CN103149924B - Radiation anti-interference test monitor system for automotive electronic control unit - Google Patents
Radiation anti-interference test monitor system for automotive electronic control unit Download PDFInfo
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- CN103149924B CN103149924B CN201310062065.4A CN201310062065A CN103149924B CN 103149924 B CN103149924 B CN 103149924B CN 201310062065 A CN201310062065 A CN 201310062065A CN 103149924 B CN103149924 B CN 103149924B
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Abstract
The invention discloses a radiation anti-interference test monitor system for an automotive electronic control unit. The system comprises a transmitting antenna and an electronic control unit to be detected, which are arranged within an EMC (electro magnetic compatibility) darkroom, and signal imitation equipment, a protocol signal receiving and dispatching module and a control master machine, which are arranged outside the EMC darkroom,. The control master machine controls the protocol signal receiving and dispatching module and the signal imitation equipment to generate protocol input signals and non-protocol input signals required for imitating the working condition of a whole automobile, the protocol input signals and the non-protocol input signals are transmitted to the electronic control unit to be detected through an optical fiber, and an output signal generated by the electronic control unit to be detected is timely monitored, so that the aim of test can be achieved. The signal transmission among the signal imitation equipment, the protocol signal receiving and dispatching module and the electronic control unit to be detected is realized by the optical fiber, so that the influence of the veracity of a test result caused by electromagnetic interference when the signal is transmitted can be avoided; and therefore, a real test result can be obtained.
Description
Technical field
The present invention relates to automobile technical field, be specifically related to a kind of radiation anti-interference test monitor system for automotive electronic control unit.
Background technology
Along with element number automatically controlled on vehicle is on the increase, the electromagnetic environment residing for vehicle is day by day complicated.On the one hand, ECU (Electrical Control Unit) needs to coexist with radio frequency sending set, on the other hand, vehicle also may enter the strong-electromagnetic field region that some external transmitters produce, such as intensity reaches the tens even electromagnetic field of hundreds of volt per metre, and this can produce electromagnetic interference (EMI) to ECU (Electrical Control Unit) vehicle comprising semiconductive logic device.Therefore vehicle needed to be specific Electro Magnetic Compatibility (Electro Magnetic Compatibility before dispatching from the factory, be called for short EMC) test, to ensure vehicle in actual use, ECU (Electrical Control Unit) will be caused malfunctioning and then threaten user's life security because of electromagnetic interference (EMI).
Summary of the invention
For the problems referred to above, the invention provides a kind of radiation anti-interference test monitor system for automotive electronic control unit, under ECU (Electrical Control Unit) to be measured being placed in EMC darkroom the state be in by radiation, simulated by signal imitation equipment and protocol signal transceiver module and produce the ECU (Electrical Control Unit) to be measured various operating modes that may run in actual application, Real-time Collection the output signal monitoring described ECU (Electrical Control Unit) to be measured are to reach the object of test.
Described radiation anti-interference test monitor system for automotive electronic control unit comprises:
Emitting antenna, is arranged in EMC darkroom, for sending test electromagnetic signal when testing;
ECU (Electrical Control Unit) to be measured, is placed in EMC darkroom during test;
Signal imitation equipment, is positioned at outside EMC darkroom, for sending non-protocol class input signal needed for simulation car load operating mode to described ECU (Electrical Control Unit) to be measured after receiving the first control signal, and receives the non-protocol class output signal that described ECU (Electrical Control Unit) to be measured produces;
Protocol signal transceiver module, is positioned at outside EMC darkroom, for sending protocol class input signal needed for simulation car load operating mode to described ECU (Electrical Control Unit) to be measured after receiving the second control signal, and receives the protocol class output signal that described ECU (Electrical Control Unit) to be measured produces;
Main control system, is positioned at outside EMC darkroom, sends described first control signal and described second control signal, and receives described non-protocol class output signal and described protocol class output signal;
Wherein, described signal imitation equipment and being connected by optical fiber between described protocol signal transceiver module with described ECU (Electrical Control Unit) to be measured.
Preferably, described system also comprises:
Interface board, is arranged in EMC darkroom, as the interface of described EMC darkroom internal/external signal transmission;
Pulpit photoelectric conversion module, be positioned at outside EMC darkroom, respectively with described signal imitation equipment, described protocol signal transceiver module is connected with described interface board, convert light signal for the described non-protocol class input signal that described signal imitation equipment and/or described protocol signal transceiver module sent and/or described protocol class input signal to by electric signal and be transferred to described interface board, and convert described non-protocol class output signal and/or described protocol class output signal to electric signal transmission to described signal imitation equipment and/or described protocol signal transceiver module by light signal,
Darkroom photoelectric conversion module, be arranged in EMC darkroom, be connected with described ECU (Electrical Control Unit) to be measured with described interface board respectively, for described non-protocol class input signal and/or described protocol class input signal being converted to electric signal by light signal and being transferred to described ECU (Electrical Control Unit) to be measured, and convert described non-protocol class output signal and/or described protocol class output signal to optical signal transmission to described interface board by electric signal.
Wherein, described pulpit photoelectric conversion module comprises and being connected with described interface board with described signal imitation equipment respectively: the first simulating signal electro-optic detector, the first simulating signal electrical to optical converter, the first displacement signal electro-optic detector, the first displacement signal electrical to optical converter, the first sound signal electro-optic detector, the first sound signal electrical to optical converter, the first vision signal electro-optic detector, the first vision signal electrical to optical converter, the first pulse signal electro-optic detector and the first pulse signal electrical to optical converter;
Described darkroom photoelectric conversion module is corresponding to be comprised and being connected with described ECU (Electrical Control Unit) to be measured with described interface board respectively: the second simulating signal electro-optic detector, second simulating signal electrical to optical converter, second shifting signal electro-optic detector, second shifting signal electrical to optical converter, second sound signal electro-optic detector, second sound signal electrical to optical converter, second vision signal electro-optic detector, second vision signal electrical to optical converter, second pulse signal electro-optic detector and the second pulse signal electrical to optical converter.
Preferably, described pulpit photoelectric conversion module also comprises and being connected with described interface board with described protocol signal transceiver module respectively: a CAN photoelectric commutator, a LIN photoelectric commutator and a KWP2000 photoelectric commutator;
Described darkroom photoelectric conversion module is corresponding to be comprised and being connected with described ECU (Electrical Control Unit) to be measured with described interface board respectively: the 2nd CAN photoelectric commutator, the 2nd LIN photoelectric commutator and the 2nd KWP2000 photoelectric commutator.
Preferably, described system also comprises: the video camera being arranged in described EMC darkroom, for carrying out monitoring video to the ECU (Electrical Control Unit) described to be measured in test process, and is transferred on described main control system by described video recording.
Described video camera is connected to described interface board by described darkroom photoelectric conversion module, and then is connected to described main control system by described pulpit photoelectric conversion module.
Described pulpit photoelectric conversion module also comprises the audio-video signal electro-optic detector be connected with described interface board with described main control system respectively; Described darkroom photoelectric conversion module is corresponding comprises the audio-video signal electrical to optical converter be connected with described video camera with described interface board respectively.
Preferably, described protocol signal transceiver module is connected by USB interface with between described main control system, for the transmitting-receiving of protocol class signal, and converts described protocol class signal to usb signal.
Preferably, described protocol class signal comprise following in one or more: CAN signal, LIN bus signals and KWP2000 signal.
Preferably, described main control system, described signal imitation equipment and described protocol signal transceiver module are arranged in pulpit.
Whether radiation anti-interference test monitor system for automotive electronic control unit provided by the invention utilizes EMC darkroom to produce electromagnetic radiation environment, carry out testing the Electro Magnetic Compatibility farthest can testing described ECU (Electrical Control Unit) to be measured satisfy the demands in EMC darkroom to ECU (Electrical Control Unit) to be measured.And native system simulates car load operating mode by signal imitation equipment and protocol signal transceiver module, without the need to ECU (Electrical Control Unit) to be measured is assembled in real vehicle and can completes test, reduce testing cost on the one hand, the car load operating mode under various complex working condition can be simulated on the other hand by signal imitation equipment and protocol signal transceiver module, the dirigibility of test can be improved.Gathering output signal that ECU (Electrical Control Unit) to be measured produces simultaneously and monitored the outside situation of ECU (Electrical Control Unit) to be measured by camera, may provide conveniently by produced problem for analyzing ECU (Electrical Control Unit) to be measured.In addition, realize signal imitation equipment and the Signal transmissions between protocol signal transceiver module and ECU (Electrical Control Unit) to be measured by optical fiber, avoid and be subject to electromagnetic interference (EMI) in signals transmission and affect test result accuracy, thus obtain real test result.
Accompanying drawing explanation
Fig. 1 shows the radiation anti-interference test monitor system for automotive electronic control unit structural representation that one embodiment of the invention provides;
Fig. 2 shows the concrete structure schematic diagram of system shown in Figure 1.
Embodiment
Describe the present invention below in conjunction with drawings and the specific embodiments.
Fig. 1 shows the radiation anti-interference test monitor system for automotive electronic control unit structural representation that one embodiment of the invention provides, by the emitting antenna 110 transmission test electromagnetic signal in EMC darkroom 105, by space radiation, ECU (Electrical Control Unit) 108 to be measured is in radiation, to complete the anti-interference test of radiation to described ECU (Electrical Control Unit) 108 to be measured.
The main control system 101 be positioned at outside EMC darkroom 105 makes user can carry out overall control to native system as host computer, simultaneously receiving record ECU (Electrical Control Unit) 108 to be tested output signal and be shown to user.Described main control system 101 sends the first control signal and the second control signal to described signal imitation equipment 103 and described protocol signal transceiver module 102 respectively according to car load operating mode to be simulated.Particularly, described main control system 101 can be computer.
Described protocol signal transceiver module 102 receives described second control signal and produces the protocol class signal of simulation needed for described car load operating mode, and the protocol class simultaneously receiving ECU (Electrical Control Unit) 108 to be measured generation outputs signal and is transmitted to described main control system 101.
Described signal imitation equipment 103 is for generation of the non-protocol class signal in the described control signal needed for the described car load operating mode of simulation, and the non-protocol class simultaneously receiving ECU (Electrical Control Unit) 108 to be measured generation outputs signal and is transferred to described main control system 101.
Particularly, described protocol class input signal and described non-protocol class input signal to be transformed into after light signal through Optical Fiber Transmission to described interface board 106 by electric signal by described pulpit photoelectric conversion module 104, and then by Optical Fiber Transmission to described darkroom photoelectric conversion module 107, through described darkroom photoelectric conversion module 107, described protocol class input signal and described non-protocol class input signal are passed to described ECU (Electrical Control Unit) to be measured 108 after light signal is transformed into electric signal.Described ECU (Electrical Control Unit) to be measured 108 receives described protocol class input signal and described non-protocol class input signal produces corresponding protocol class output signal and non-protocol class output signal.Described protocol class output signal and described non-protocol class output signal turn back on described main control system 101 through the transmission path contrary with described non-protocol class input signal with described protocol class input signal carries out showing and record, whether meets relevant criterion for user's ECU (Electrical Control Unit) 108 to be measured according to described protocol class output signal and described non-protocol class Output Signal Analysis.
Described protocol signal transceiver module 102 specifically can be connected with described main control system 101 by USB interface, and described like this protocol signal transceiver module 102 is transferred to described main control system 101 after converting described protocol class signal to usb signal.Described protocol class signal can include but not limited to: CAN(Controller Area Network) bus signals, LIN(Local Interconnect Network) bus signals and KWP2000(Keyword Pro-tocol2000) signal.
The monitoring range being arranged in the video camera 109 in EMC darkroom 105 covers described ECU (Electrical Control Unit) 108 to be measured, monitoring video is carried out to the ECU (Electrical Control Unit) described to be measured 108 in test process, and convert described video recording to light signal by described darkroom photoelectric conversion module 107, described interface board 106 is passed to by optical fiber, and then after passing to described pulpit photoelectric conversion module 104 by optical fiber, be converted to corresponding electric signal at described pulpit photoelectric conversion module 104, be transferred on described main control system 101 and show.The image that such user directly can observe ECU (Electrical Control Unit) 108 to be measured described in test process and the sound that may send, make analysis in conjunction with described protocol class output signal and described non-protocol class output signal to the state of described ECU (Electrical Control Unit) 108 to be measured to judge, the inside and outside change of the time that accurate orientation problem occurs and described ECU (Electrical Control Unit) to be measured 108.
Fig. 2 shows another concrete structure schematic diagram of the present embodiment, the corresponding label to the incomplete structure of same names in Fig. 1.Described pulpit photoelectric conversion module 104 comprises multiple photoelectric commutator, to realize the conversion between light signal and electric signal, has stronger radiation antijamming capability.Because non-protocol class signal is one-way transmission, therefore described pulpit photoelectric conversion module 104 can comprise and to be connected with described signal imitation equipment 103:
First simulating signal electro-optic detector, for converting simulating signal to electric signal by light signal, monitors simulating signal simultaneously, the way of the simulating signal of ECU (Electrical Control Unit) 108 to be measured described in its concrete quantity basis and determining;
First simulating signal electrical to optical converter: supporting the use with described simulating signal electro-optic detector, for converting simulating signal to light signal by electric signal, monitoring simulating signal simultaneously; Its concrete quantity is identical with described simulating signal electro-optic detector quantity;
First displacement signal electro-optic detector: for converting displacement signal to correspondingly electric signal by light signal, simultaneously monitor displacement signal; The way of the displacement signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining;
First displacement signal electrical to optical converter: supporting the use with institute displacement signal electro-optic detector, for converting displacement signal to correspondingly light signal by electric signal, monitoring displacement signal simultaneously; Its quantity is identical with institute displacement signal electro-optic detector quantity;
First sound signal electro-optic detector: for converting sound signal to correspondingly electric signal by light signal, simultaneously monitor sound signal; The way of the sound signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining;
First sound signal electrical to optical converter: support the use with described sound signal electro-optic detector, for sound signal is converted to light signal by electric signal, monitor sound signal simultaneously; Its quantity is identical with described sound signal electro-optic detector quantity;
First vision signal electro-optic detector: complete vision signal by the conversion of light to electricity, simultaneously monitor video signal.Stronger radiation antijamming capability can be born, the way of the vision signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining.
First vision signal electrical to optical converter: support the use with described vision signal electro-optic detector, for converting vision signal to light signal by electric signal, monitor video signal simultaneously; Its quantity is identical with described vision signal electro-optic detector quantity;
First pulse signal electro-optic detector: for converting pulse signal to electric signal by light signal, simultaneously monitor pulse signal; The way of the pulse signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining; With
First pulse signal electrical to optical converter: supporting the use with described pulse signal electro-optic detector, for converting pulse signal to light signal by electric signal, monitoring pulse signal simultaneously; Its quantity is identical with described pulse signal electro-optic detector quantity.
Pulpit photoelectric conversion module 104 described in first also comprises and to be connected with described protocol signal transceiver module 102:
One CAN photoelectric commutator; Its quantity is identical with the CAN signal way of described ECU (Electrical Control Unit) 108 to be measured, for realizing the conversion of CAN signal from light signal to electric signal and from electric signal to light signal, has stronger radiation antijamming capability;
One LIN photoelectric commutator; Its quantity is identical with the LIN signal way of described ECU (Electrical Control Unit) 108 to be measured, for realizing the conversion of LIN signal from light signal to electric signal and from electric signal to light signal, has stronger radiation antijamming capability; With
One KWP2000 photoelectric commutator; Its quantity is identical with the KWP2000 signal way of described ECU (Electrical Control Unit) 108 to be measured, for realizing the conversion of KWP2000 signal from light signal to electric signal and from electric signal to light signal, has stronger radiation antijamming capability.
Described pulpit photoelectric conversion module 104 also comprises the audio-video signal electro-optic detector be connected with described main control system 101, for converting the video recording of described video camera 109 to electric signal from light signal, and is transferred to described main control system 101.
Described darkroom photoelectric conversion module 107 and described pulpit photoelectric conversion module 104 are symmetrical arranged, and as can be seen from Figure 2 they include symmetrical photoelectric commutator, specific as follows:
Second simulating signal electro-optic detector, for converting simulating signal to electric signal by light signal, monitors simulating signal simultaneously, the way of the simulating signal of ECU (Electrical Control Unit) 108 to be measured described in its concrete quantity basis and determining;
Second simulating signal electrical to optical converter: supporting the use with described simulating signal electro-optic detector, for converting simulating signal to light signal by electric signal, monitoring simulating signal simultaneously; Its concrete quantity is identical with described simulating signal electro-optic detector quantity;
Second shifting signal electro-optic detector: for converting displacement signal to correspondingly electric signal by light signal, simultaneously monitor displacement signal; The way of the displacement signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining;
Second shifting signal electrical to optical converter: supporting the use with institute displacement signal electro-optic detector, for converting displacement signal to correspondingly light signal by electric signal, monitoring displacement signal simultaneously; Its quantity is identical with institute displacement signal electro-optic detector quantity;
Second sound signal electro-optic detector: for converting sound signal to correspondingly electric signal by light signal, simultaneously monitor sound signal; The way of the sound signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining;
Second sound signal electrical to optical converter: support the use with described sound signal electro-optic detector, for sound signal is converted to light signal by electric signal, monitor sound signal simultaneously; Its quantity is identical with described sound signal electro-optic detector quantity;
Second vision signal electro-optic detector: complete vision signal by the conversion of light to electricity, simultaneously monitor video signal.Stronger radiation antijamming capability can be born, the way of the vision signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining.
Second vision signal electrical to optical converter: support the use with described vision signal electro-optic detector, for converting vision signal to light signal by electric signal, monitor video signal simultaneously; Its quantity is identical with described vision signal electro-optic detector quantity;
Second pulse signal electro-optic detector: for converting pulse signal to electric signal by light signal, simultaneously monitor pulse signal; The way of the pulse signal of ECU (Electrical Control Unit) 108 to be measured described in its quantity basis and determining; With
Second pulse signal electrical to optical converter: supporting the use with described pulse signal electro-optic detector, for converting pulse signal to light signal by electric signal, monitoring pulse signal simultaneously; Its quantity is identical with described pulse signal electro-optic detector quantity.
Pulpit photoelectric conversion module 104 described in second also comprises and to be connected with described protocol signal transceiver module 102:
2nd CAN photoelectric commutator; Its quantity is identical with the CAN signal way of described ECU (Electrical Control Unit) 108 to be measured, for realizing the conversion of CAN signal from light signal to electric signal and from electric signal to light signal, has stronger radiation antijamming capability;
2nd LIN photoelectric commutator; Its quantity is identical with the LIN signal way of described ECU (Electrical Control Unit) 108 to be measured, for realizing the conversion of LIN signal from light signal to electric signal and from electric signal to light signal, has stronger radiation antijamming capability; With
2nd KWP2000 photoelectric commutator; Its quantity is identical with the KWP2000 signal way of described ECU (Electrical Control Unit) 108 to be measured, for realizing the conversion of KWP2000 signal from light signal to electric signal and from electric signal to light signal, has stronger radiation antijamming capability.
Described darkroom photoelectric conversion module 107 also comprises the audio-video signal electrical to optical converter be connected with described video camera 109, for converting the video recording of described video camera 109 to electric signal from electric signal, after being connected to described audio-video signal electro-optic detector by described interface board 106, be transferred to described main control system 101.
Described interface board 106 is optical fiber interface plates, is the connecting interface between described pulpit 100 and described EMC darkroom 105, the transmission of settling signal between described darkroom photoelectric conversion module 107 and described pulpit photoelectric conversion module 104.
Described darkroom photoelectric conversion module 107 by Fiber connection to interface board 106, described pulpit photoelectric conversion module 104 also by Fiber connection to described interface board 106.The output signal of the signal that described like this ECU (Electrical Control Unit) 108 to be measured receives and generation can be transmitted by optical fiber, avoid signals transmission to be subject to test electromagnetic signal radiation that described emitting antenna 110 sends and affect the accuracy of test result.
Such as, described main control system 101, described protocol signal transceiver module 102, described signal imitation equipment 103 and described pulpit photoelectric conversion module 104 can be arranged in pulpit 100, to be different from described EMC darkroom 105.
Radiation anti-interference test monitor system for automotive electronic control unit provided by the invention, the input signal of simulating various car load operating mode is sent by main control system 101 control signal analog machine 103 and protocol signal transceiver module, the ECU (Electrical Control Unit) to be measured 108 in EMC darkroom is passed to by optical fiber, receive described ECU (Electrical Control Unit) to be measured 108 and send the output signal produced in the radiation space of test electromagnetic signal at emitting antenna 110, and the outside situation of simultaneously taking described ECU (Electrical Control Unit) to be measured 108 by video camera 109 and the video recording of sound that may send, thus at main control system 101 place, described output signal and described video recording are integrated, record and display, complete comprehensive effective monitoring that is outside to described ECU (Electrical Control Unit) to be measured and internal data.Native system can be simulated ECU (Electrical Control Unit) to be measured based on main control system 101, signal imitation equipment 103 and protocol signal transceiver module 102 in car load, is in actual condition under various complex state, test compared to ECU (Electrical Control Unit) to be measured being assembled in car load, native system can reduce costs again.
Above embodiment only for illustration of technical scheme of the present invention, is not limited to protection scope of the present invention.The amendment that those skilled in the art can carry out technical scheme of the present invention or replace on an equal basis, and do not depart from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a radiation anti-interference test monitor system for automotive electronic control unit, is characterized in that, comprising:
Emitting antenna (110), is arranged in EMC darkroom (105), for sending test electromagnetic signal when testing;
ECU (Electrical Control Unit) to be measured (108), is placed in EMC darkroom (105) during test;
Signal imitation equipment (103), be positioned at EMC darkroom (105) outward, for sending non-protocol class input signal needed for simulation car load operating mode to described ECU (Electrical Control Unit) to be measured (108) after receiving the first control signal, and receive the non-protocol class output signal that described ECU (Electrical Control Unit) to be measured (108) produces;
Protocol signal transceiver module (102), be positioned at EMC darkroom (105) outward, for sending protocol class input signal needed for simulation car load operating mode to described ECU (Electrical Control Unit) to be measured (108) after receiving the second control signal, and receive the protocol class output signal that described ECU (Electrical Control Unit) to be measured (108) produces;
Main control system (101), is positioned at EMC darkroom (105) outward, sends described first control signal and described second control signal, and receives described non-protocol class output signal and described protocol class output signal;
Wherein, described signal imitation equipment (103) and being connected by optical fiber between described protocol signal transceiver module (102) with described ECU (Electrical Control Unit) to be measured (108).
2. radiation anti-interference test monitor system for automotive electronic control unit according to claim 1, is characterized in that, also comprises:
Interface board (106), is arranged in EMC darkroom (105), as the interface of described EMC darkroom (105) internal/external signal transmission;
Pulpit photoelectric conversion module (104), be positioned at EMC darkroom (105) outward, respectively with described signal imitation equipment (103), described protocol signal transceiver module (102) is connected with described interface board (106), convert light signal for the described non-protocol class input signal that described signal imitation equipment (103) and/or described protocol signal transceiver module (102) sent and/or described protocol class input signal to by electric signal and be transferred to described interface board (106), and convert described non-protocol class output signal and/or described protocol class output signal to electric signal transmission to described signal imitation equipment (103) and/or described protocol signal transceiver module (102) by light signal,
Darkroom photoelectric conversion module (107), be arranged in EMC darkroom (105), be connected with described ECU (Electrical Control Unit) to be measured (108) with described interface board (106) respectively, for described non-protocol class input signal and/or described protocol class input signal being converted to electric signal by light signal and being transferred to described ECU (Electrical Control Unit) to be measured (108), and convert described non-protocol class output signal and/or described protocol class output signal to optical signal transmission to described interface board (106) by electric signal.
3. radiation anti-interference test monitor system for automotive electronic control unit according to claim 2, it is characterized in that, described pulpit photoelectric conversion module (104) comprises and to be connected with described interface board (106) with described signal imitation equipment (103) respectively: the first simulating signal electro-optic detector, first simulating signal electrical to optical converter, first displacement signal electro-optic detector, first displacement signal electrical to optical converter, first sound signal electro-optic detector, first sound signal electrical to optical converter, first vision signal electro-optic detector, first vision signal electrical to optical converter, first pulse signal electro-optic detector and the first pulse signal electrical to optical converter,
Described darkroom photoelectric conversion module (107) is corresponding to be comprised and being connected with described ECU (Electrical Control Unit) to be measured (108) with described interface board (106) respectively: the second simulating signal electro-optic detector, second simulating signal electrical to optical converter, second shifting signal electro-optic detector, second shifting signal electrical to optical converter, second sound signal electro-optic detector, second sound signal electrical to optical converter, second vision signal electro-optic detector, second vision signal electrical to optical converter, second pulse signal electro-optic detector and the second pulse signal electrical to optical converter.
4. radiation anti-interference test monitor system for automotive electronic control unit according to claim 3, it is characterized in that, described pulpit photoelectric conversion module (104) also comprises and to be connected with described interface board (106) with described protocol signal transceiver module (102) respectively: a CAN photoelectric commutator, a LIN photoelectric commutator and a KWP2000 photoelectric commutator;
Described darkroom photoelectric conversion module (107) is corresponding to be comprised and being connected with described ECU (Electrical Control Unit) to be measured (108) with described interface board (106) respectively: the 2nd CAN photoelectric commutator, the 2nd LIN photoelectric commutator and the 2nd KWP2000 photoelectric commutator.
5. according to the arbitrary described radiation anti-interference test monitor system for automotive electronic control unit of claim 2-4, it is characterized in that, also comprise: the video camera (109) being arranged in described EMC darkroom (105), for carrying out monitoring video to the ECU (Electrical Control Unit) described to be measured (108) in test process, and described video recording is transferred on described main control system (101).
6. radiation anti-interference test monitor system for automotive electronic control unit according to claim 5, it is characterized in that, described video camera (109) is connected to described interface board (106) by described darkroom photoelectric conversion module (107), and then is connected to described main control system (101) by described pulpit photoelectric conversion module (104).
7. radiation anti-interference test monitor system for automotive electronic control unit according to claim 5, it is characterized in that, described pulpit photoelectric conversion module (104) also comprises the audio-video signal electro-optic detector be connected with described interface board (106) with described main control system (101) respectively;
Described darkroom photoelectric conversion module (107) is corresponding comprises the audio-video signal electrical to optical converter be connected with described video camera (109) with described interface board (106) respectively.
8. according to the arbitrary described radiation anti-interference test monitor system for automotive electronic control unit of claim 1-4, it is characterized in that, described protocol signal transceiver module (102) is connected by USB interface with between described main control system (101), for the transmitting-receiving of protocol class signal, and convert described protocol class signal to usb signal.
9. radiation anti-interference test monitor system for automotive electronic control unit according to claim 8, is characterized in that, described protocol class signal comprise following in one or more: CAN signal, LIN bus signals and KWP2000 signal.
10. according to the arbitrary described radiation anti-interference test monitor system for automotive electronic control unit of claim 1-4, it is characterized in that, described main control system (101), described signal imitation equipment (103) and described protocol signal transceiver module (102) are arranged in pulpit.
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