CN100523669C - Method of controlling air-conditioner for vehicle - Google Patents
Method of controlling air-conditioner for vehicle Download PDFInfo
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- CN100523669C CN100523669C CNB2005101142513A CN200510114251A CN100523669C CN 100523669 C CN100523669 C CN 100523669C CN B2005101142513 A CNB2005101142513 A CN B2005101142513A CN 200510114251 A CN200510114251 A CN 200510114251A CN 100523669 C CN100523669 C CN 100523669C
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3211—Control means therefor for increasing the efficiency of a vehicle refrigeration cycle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/0075—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being solar radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H2001/3236—Cooling devices information from a variable is obtained
- B60H2001/3255—Cooling devices information from a variable is obtained related to temperature
- B60H2001/3261—Cooling devices information from a variable is obtained related to temperature of the air at an evaporating unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H2001/3269—Cooling devices output of a control signal
- B60H2001/327—Cooling devices output of a control signal related to a compressing unit
- B60H2001/3275—Cooling devices output of a control signal related to a compressing unit to control the volume of a compressor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H2001/3269—Cooling devices output of a control signal
- B60H2001/328—Cooling devices output of a control signal related to an evaporating unit
Abstract
This invention relates to a method of controlling air conditioner for vehicles wherein the target control value of the pressure control valve which controls tilt angle of a swash-plate of a swash-plate type variable capacity compressor is variably controlled according to the temperature deviation between target evaporator temperature and actual evaporator temperature, thereby efficiently controlling the discharge capacity of the compressor. The method of controlling air conditioner for vehicles of the present invention comprises the steps of: setting a target evaporator temperature; calculating the deviation between the target evaporator temperature and actual evaporator temperature; variably setting control coefficients according to the magnitude of the temperature deviation; calculating a target control value of a pressure control valve of the swash-plate type variable capacity compressor using the control coefficients; and controlling the pressure control valve by the target control value.
Description
Technical field
The present invention relates to a kind of control method of air conditioner for vehicles, be particularly related to a kind of control method of air conditioner for vehicles, it is according to the temperature deviation value size of target evaporator temperature and actual evaporator temperature, can control the target control value of the pressure-regulating valve of the swash plate inclination angle change that makes variable displacement swash plate type compressor with changing, thus, can control the discharge capacity of compressor effectively.
Background technology
In variable displacement swash plate type compressor, according to load, change the pressure of cold-producing medium by pressure-regulating valve, can regulate the inclination angle of swash plate thus.Inclination angle adjustment by this swash plate changes the stroke distances of piston, and thus, the discharge capacity of adjustable restraining cryogen according to the variation of the discharge capacity of above-mentioned cold-producing medium, is regulated evaporator temperature.
Above-mentioned pressure-regulating valve can be divided into internal control formula and external control formula, clearly discloses the structure of this variable displacement swash plate type compressor at the 2001-No. 107854 document of TOHKEMY.
To the output (Duty, i.e. current value) of above-mentioned pressure-regulating valve, calculate the deviation of target evaporator temperature and actual evaporator temperature earlier, according to this deviation, the control method of passing ratio-integration (PI) control etc. is controlled.Therein in example, following technology is disclosed in the 2003-No. 200730 document of Japan's Publication Laid-Open: for example, if the deviation of target evaporator temperature and actual evaporator temperature is in 3 ℃, then carry out ratio-integration control, if actual evaporator temperature and target evaporator temperature are than high more than 3 ℃, then carry out heap(ed) capacity control, if actual evaporator temperature below 3 ℃, is then carried out minimum capacity control than low with target evaporator temperature.
In relative target evaporator temperature, with actual evaporator temperature feedback (Feedback), when carrying out ratio-integration control, the temperature control performance is temperature convergence and response time, can according to how suitably selecting proportional gain (Proportional Gain) and storage gain (Integral Gain) adjust according to system.Generally, if gain increases, then response speed is very fast, still, owing to overrate (Overshoot) too takes place and too be lower than the phenomenon of rated value (Undershoot), thereby hinder stable easily.In contrast, if reduce gain, then the temperature convergence becomes well, just can reach stable but will spend the more time.This point as in above-mentioned prior art when the deviation of evaporator temperature is more than the certain value and certain value when following, if uniformly implement heap(ed) capacity control and minimum capacity control, then exists evaporator temperature and system's problem of unstable.
Summary of the invention
The technical task that invention will solve
The object of the present invention is to provide a kind of control method of air conditioner for vehicles, it is according to the temperature deviation value size of target evaporator temperature and actual evaporator temperature, can control the target control value of the pressure-regulating valve of the swash plate inclination angle change that makes variable displacement swash plate type compressor with changing, control the discharge capacity of compressor effectively.
Another object of the present invention is to, under the bigger situation of the temperature deviation of target evaporator temperature and actual evaporator temperature, set control coefrficient (being proportional gain and storage gain) significantly so that arrive target evaporator temperature apace, under the less situation of said temperature deviation, set above-mentioned control coefrficient so that ripple disable and stably reach target evaporator temperature lessly.
Be used to solve the technical scheme of problem
The scheme of invention
For achieving the above object, the control method of air conditioner for vehicles of the present invention is characterised in that, it comprises the steps: the step of target setting evaporator temperature, it has following step: the user sets the target indoor temperature of vehicle, sensor detected vehicle indoor temperature by the assigned position that is arranged on vehicle, vehicle outdoor temperature and sunshine amount, and with its input, according to above-mentioned target indoor temperature, the vehicle indoor temperature, vehicle outdoor temperature and sunshine amount, target discharge temperature to the aircondition outlet is carried out computing, the input maximum evaporator temperature, target discharge temperature and above-mentioned maximum evaporator temperature to above-mentioned outlet compare and the target setting evaporator temperature, and the step of the temperature deviation of above-mentioned target evaporator temperature and actual evaporator temperature being carried out computing; According to said temperature deviate size, set the step of control coefrficient convertibly; Utilize above-mentioned control coefrficient, the step that the target control value of the pressure-regulating valve of variable displacement swash plate type compressor is carried out computing; And the step of controlling above-mentioned pressure-regulating valve.
According to the present invention, preferably, above-mentioned control coefrficient is proportional gain and storage gain.And preferably, above-mentioned control coefrficient is provided with according to the mode that has with the proportional value size of the absolute value of said temperature deviation.Also have, preferably, under the situation more than the setting, above-mentioned control coefrficient is set at maximum set value at the absolute value of said temperature deviation.
In addition, after the sensor by the assigned position that is arranged on above-mentioned vehicle detects and import the step of vehicle outdoor temperature and sunshine amount, can and then comprise export goal is discharged the step that heat carries out computing.
Preferably, import the step of above-mentioned maximum evaporator temperature, when the minimum of compressor drives,, maximum evaporator temperature is carried out computing and with its input according to the air themperature of inflow evaporator.
Also have, preferably, in the step that above-mentioned target discharge temperature and maximum evaporator temperature are compared, if the target discharge temperature is lower than maximum evaporator temperature, then the target discharge temperature is set at target evaporator temperature, if the target discharge temperature is higher than maximum evaporator temperature, then maximum evaporator temperature is set at target evaporator temperature.
Description of drawings
Fig. 1 is the cutaway view of the example of expression variable displacement swash plate type compressor;
Fig. 2 is the pie graph that is used to carry out the aircondition system of control method of the present invention;
Fig. 3 is the flow chart of the control method of expression air conditioner for vehicles of the present invention;
Fig. 4 a represents that according to the evaporator temperature deviation curve map of the example of computing is carried out in the Comparative Examples gain;
Fig. 4 b represents storage gain to be carried out the curve map of the example of computing according to the evaporator temperature deviation;
Fig. 4 c represents according to the evaporator temperature deviation, the Comparative Examples gain, or storage gain carries out the curve map of the example of computing;
Fig. 5 is the flow chart of the method for expression target setting evaporator temperature.
The reference numeral explanation
100 variable displacement swash plate type compressors
160 pressure-regulating valves
212,214,216 outlets
310 sensors.
The specific embodiment
By following detailed description, can understand the features and advantages of the present invention more according to accompanying drawing.At first, the term that this specification and claims adopted, word should based on the inventor use the best way explanation himself invention and can suitably define the principle of the notion of term, thereby can the implication and the notion of technological thought according to the invention be made an explanation.
Fig. 1 represents the example of variable displacement swash plate type compressor 100.
As shown in Figure 1, above-mentioned compressor 100 comprises: cylinder post (Cylinder Block) 110, and it forms a plurality of cylinder thoraxes 112 (Cylinder Bore) in the vertical along concentric circles; A plurality of pistons (Piston) 114, it inserts in each cylinder thorax 112 of above-mentioned cylinder post 110; The place ahead housing 120, its place ahead with above-mentioned cylinder post 110 is connected, and portion forms crank chamber 122 within it; Rear housing 130, its rear with above-mentioned cylinder post 110 is connected, and portion forms cold-producing medium suction chamber 132 and cold-producing medium discharge chamber 134 within it; Driving shaft 140, it is bearing in whole above-mentioned fore shell 120 and the cylinder post 110; Rotor (Rotor) 142, its inside in above-mentioned crank chamber 122 rotates with driving shaft 140; Swash plate 144, its with mobilizable mode be arranged at above-mentioned driving shaft 140 around, its edge is so that the mode that piston 114 moves forward and backward is connected with each piston 114, and a side at this edge and rotor 142 are hinged; Valve cell (Valve Unit) 150, it from cold-producing medium suction chamber 132 suction cylinder thoraxes 112, and is discharged to cold-producing medium cold-producing medium with compressed refrigerant from cylinder thorax 112 and discharges the chamber 134 between above-mentioned cylinder post 110 and back cover 130; And external control formula pressure-regulating valve 160, it is arranged in the above-mentioned back cover 130 and discharges the aperture that the cold-producing medium of chamber 134 and crank chamber 122 returns stream so that regulate the above-mentioned cold-producing medium of connection, and the inclination angle of regulating swash plate 144 relative drive shafts 140.
According to aforesaid variable displacement swash plate type compressor 100, the rotation by this swash plate 144 moves forward and backward a plurality of piston 114 grades successively.When piston 114 (during suction stroke) when above-mentioned cylinder thorax 112 retreats, because cylinder thorax 112 pressure inside descend the suction side of valve cell 150 is opened, and cylinder thorax 112 and suction chamber are interconnected, thus, cold-producing medium is drawn into the cylinder thorax 112 from suction chamber.
And, at piston 114 when cylinder thorax 112 sides are advanced (during compression travel), owing to the increase of cylinder thorax 112 pressure inside the cold-producing medium that is sucked in the cylinder thorax 112 is compressed, simultaneously the discharge side of valve cell 150 is opened, making cylinder thorax 112 and cold-producing medium discharge chamber 134 is interconnected, thus, compressed refrigerant being discharged to cold-producing medium from cylinder thorax 112 discharges the chamber 134.And, according to load,, regulate the aperture that the cold-producing medium that connects above-mentioned cold-producing medium discharge chamber 134 and crank chamber 122 returns stream by above-mentioned pressure-regulating valve 160, change the inclination angle of swash plate 144, make the discharge capacity change of cold-producing medium thus.That is, swash plate 144 relative drive shafts 140 sides tilt more, can make the stroke distances of piston 144 become big more, and increase the discharge capacity of cold-producing medium.
Fig. 2 represents to be suitable for the air conditioner for vehicles of aforesaid variable displacement swash plate type compressor 100.
As shown in Figure 2, above-mentioned aircondition comprises: air-conditioning box 210; Pressure fan 220, it is arranged at the entrance side of above-mentioned air-conditioning box 210; Evaporimeter 200 and heating core body (Heater Core) 230, it is built in the above-mentioned air-conditioning box 210; Adjustment door 240, it is regulated through the cold air path of the air of above-mentioned evaporimeter 200 and the aperture of hot gas path; Variable displacement swash plate type compressor 100, it sucks cold-producing medium from above-mentioned evaporimeter 200, it is discharged again; Condenser 170, it carries out condensation to the cold-producing medium of supplying with from above-mentioned compressor 100, and it is discharged; Air accumulator drier (Receiver Dryer) 180, it carries out gas-liquid separation to the cold-producing medium of supplying with from condenser 170; And expansion valve 190, its compression is sent to evaporimeter 200 from the cold-producing medium of above-mentioned air accumulator drier 180 supplies and with it.Symbol 212,214,216 is represented outlet respectively, and symbol 212d, 214d, 216d represent to regulate the door of the aperture of above-mentioned outlet 212,214,216 respectively.
On the other hand, control the driving of pressure-regulating valve 160 output by control module 300, this pressure-regulating valve 160 is then controlled the discharge capacity of compressor 100 by the inclination angle of regulating swash plate 144.Promptly, the output current value of control module 300 subtend pressure-regulating valves 160 is controlled, regulate the aperture that the cold-producing medium that connects cold-producing medium discharge chamber 134 and crank chamber 122 returns stream by above-mentioned control, thus, the inclination angle of the swash plate 144 of relative drive shaft 140 is changed, but above-mentioned inclination angle is big more, and the discharge capacity of compressor 100 is high more.
In the drawings, unaccounted symbol 310 expression evaporator temperature sensors, outdoor temperature sensor, outdoor temperature sensor, the various sensors of sunshine amount sensor etc., its detection signal is input in the control module 300.
Control method to Vehicular air conditioner of the present invention describes below.
As shown in Figure 3, if aircondition running (step S100) then will be input to (step S110) in the control module 300 from the signal of various sensors 310.
With signal when the sensor 310 grades are input to the above-mentioned control module 300, then by user's target setting evaporator temperature (step S120).
Target evaporator temperature can be set as following.That is, as shown in Figure 5, user's target setting indoor temperature (step S121).Secondly, sensor 310 detection target indoor temperatures, vehicle indoor temperature, vehicle outdoor temperature and sunshine amount by the assigned position that is arranged at vehicle are entered into (step S122) in the control module 300.Then, according to above-mentioned vehicle indoor temperature, vehicle outdoor temperature and sunshine amount, the target discharge temperature of the outlet 212,214,216 of aircondition is carried out computing (step S124).Afterwards, input maximum evaporator temperature (step S125).Moreover, the target discharge temperature and the above-mentioned maximum evaporator temperature of above-mentioned outlet 212,214,216 compared (step S126), selected target evaporator temperature (step S127).
Here, preferably, import the step of above-mentioned maximum evaporator temperature, when the minimum of compressor 100 drives, according to the air themperature in the inflow evaporator 200, the computing maximum evaporator temperature, and with its input.
In addition, preferably, when setting above-mentioned target evaporator temperature, to exporting in the step that 212,214,216 target discharge temperature and above-mentioned maximum evaporator temperature compare, when the target discharge temperature is lower than maximum evaporator temperature, then the target discharge temperature is set at target evaporator temperature,, then maximum evaporator temperature is set at target evaporator temperature when the target discharge temperature is higher than maximum evaporator temperature.That is, lower temperature is set at target evaporator temperature.
Also have, wait at sensor 310 and to detect vehicle indoor temperature, vehicle outdoor temperature and sunshine amount and afterwards the step (step S122) of its input by the assigned position that is arranged at above-mentioned vehicle, also can and then comprise and discharge the step (step S123) that heat carries out computing exporting 212,214,216 target, thereafter, can be according to above-mentioned outlet 212,214,216 target is discharged this export goal discharge temperature (step S124) of heat computing.
As described above, behind the target setting evaporator temperature, the temperature deviation (step S130) of above-mentioned target evaporator temperature of computing and actual evaporator temperature.
Above-mentioned target evaporator temperature and the actual evaporator temperature meaning is meant the air themperature of discharging through evaporimeter or the temperature of evaporimeter itself, but also can adopt among both any one as required.
Below, according to the temperature deviation value size that calculates, set control coefrficient (step S140) convertibly.
Preferably, above-mentioned control coefrficient is proportional gain and storage gain.
Preferably, in setting above-mentioned control coefrficient, under the bigger situation of said temperature deviation, above-mentioned control coefrficient (being proportional gain and storage gain) is established greatly to arrive target evaporator temperature apace.In addition, preferably, under the less situation of said temperature deviation, above-mentioned control coefrficient is established the little target evaporator temperature that stably arrives with ripple disable.
The graphical representation of Fig. 4 a example that computing is carried out in gain to aforementioned proportion, the example that the graphical representation of Fig. 4 b is carried out computing to above-mentioned storage gain, but they are the examples with asymmetrical mode preset proportion gain or storage gain.In addition, shown in Fig. 4 c, can set aforementioned proportion gain or storage gain by symmetric mode.That is, above-mentioned control coefrficient not only can be set by the mode with single slope, also can set in combination by the mode with a plurality of slopes.
Like this, in setting control coefrficient, if when be " 0 " with above-mentioned temperature deviation as benchmark, when temperature deviation increased along "+" or "-" direction, then aforementioned proportion gained or the mode of storage gain is set this coefficient by increase proportionally with it.In other words, preferably, above-mentioned control coefrficient is set by the mode that has with the proportional value of the absolute value of said temperature deviation size, under the absolute value of said temperature deviation is situation more than the setting, is set at maximum setting value.
Secondly, according to the control coefrficient of computing, i.e. proportional gain and storage gain, with variable mode computing to the controlling value of the pressure-regulating valve 160 of variable displacement swash plate type compressor 100 (be duty than) (current value) (step S150).Above-mentioned controlling value can be obtained by following formula,
Duty(n)＝Duty(n—1)
-Gp{Evap_error (n)-Evap_error (n-1) } proportion control
-Gi{Evap_error (n) } integration control
Here, temperature deviation can be obtained by Evap_error (n)=Tevap_target-Tevap_now (n) formula, Tevap_target represents target evaporator temperature, Tevap_now (n) is illustrated in the sensor 310 by the n time detected evaporator temperature of evaporator temperature sensor, the output of n pressure-regulating valve 160 of Duty (n) expression, Gp represents proportional gain, and Gi represents storage gain.
And, as mentioned above, by the controlling value that calculates, the pressure-regulating valve 160 (step S160) of control variable displacement swash plate type compressor 100.That is, pressure-regulating valve 160 is carried out ratio-integration control, till the actual evaporator temperature of measuring by the evaporator temperature sensor in the sensor 310 arrives target evaporator temperature (step S170).
The effect of invention
According to the control method of the air conditioner for vehicles of the present invention of formation as described above, examine Consider target evaporator temperature and the temperature deviation of actual evaporator temperature, the carrying out of evaporator temperature The nonlinear characteristic of history and compressor and air-conditioning device system is by adopting with variable The proportional gain of the suitable computing of mode and the output valve of storage gain are advanced pressure-regulating valve 160 Row ratio-integration control can be eliminated the unstability of evaporator temperature and system thus, can Raising is to convergence and the response of target evaporator temperature.
Claims (6)
1. the control method of an air conditioner for vehicles is characterized in that, it comprises following step:
The step of target setting evaporator temperature (S120), it has following step: the user sets the target indoor temperature of vehicle, sensor detected vehicle indoor temperature by the assigned position that is arranged on vehicle, vehicle outdoor temperature and sunshine amount, and with its input, according to above-mentioned target indoor temperature, the vehicle indoor temperature, vehicle outdoor temperature and sunshine amount, target discharge temperature to the aircondition outlet is carried out computing, the input maximum evaporator temperature, target discharge temperature and above-mentioned maximum evaporator temperature to above-mentioned outlet compare and the target setting evaporator temperature, and
The temperature deviation of above-mentioned target evaporator temperature and actual evaporator temperature is carried out the step (S130) of computing;
According to said temperature deviate size, set the step (S140) of control coefrficient convertibly;
Utilize above-mentioned control coefrficient, the step (S150) that the target control value of the pressure-regulating valve of variable displacement swash plate type compressor is carried out computing;
And utilize above-mentioned required controlling value, control the step (S160) of above-mentioned pressure-regulating valve.
2. the control method of air conditioner for vehicles according to claim 1, it is characterized in that: above-mentioned control coefrficient is proportional gain and storage gain.
3. the control method of air conditioner for vehicles according to claim 2 is characterized in that: above-mentioned control coefrficient is set by the mode that has with the proportional value size of the absolute value of said temperature deviation.
4. the control method of air conditioner for vehicles according to claim 1, it is characterized in that: the step of importing above-mentioned maximum evaporator temperature comprises: when the minimum driving of compressor, according to the air themperature of inflow evaporator, maximum evaporator temperature is carried out computing, and with its input.
5. the control method of air conditioner for vehicles according to claim 1, it is characterized in that: comprise in the step that above-mentioned target discharge temperature and described maximum evaporator temperature are compared: when the target discharge temperature is lower than described maximum evaporator temperature, then the target discharge temperature is set at target evaporator temperature; When the target discharge temperature is higher than described maximum evaporator temperature, then maximum evaporator temperature is set at target evaporator temperature.
6. the control method of air conditioner for vehicles according to claim 1, it is characterized in that: after sensor detected vehicle outdoor temperature and sunshine amount and step, also comprise the step that heat carries out computing is discharged in outlet its input by the assigned position that is arranged at above-mentioned vehicle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040084275 | 2004-10-21 | ||
| KR1020040084275 | 2004-10-21 | ||
| KR1020050096325 | 2005-10-13 |
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| CN1818519A CN1818519A (en) | 2006-08-16 |
| CN100523669C true CN100523669C (en) | 2009-08-05 |
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| KR (1) | KR101156378B1 (en) |
| CN (1) | CN100523669C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101104036B1 (en) * | 2009-10-08 | 2012-01-09 | 기아자동차주식회사 | Control Method for Air Conditioner of Vehicle |
| CN101982706B (en) * | 2010-10-12 | 2013-01-09 | 上海三电汽车空调有限公司 | External control compressor automatic air conditioning analog controller system |
| JP5640810B2 (en) * | 2011-02-24 | 2014-12-17 | スズキ株式会社 | Air conditioning control device for vehicles |
| WO2012157095A1 (en) * | 2011-05-18 | 2012-11-22 | トヨタ自動車株式会社 | Air-condition remote control system for vehicle, server, mobile terminal, and vehicle |
| CN113203238B (en) * | 2021-04-29 | 2022-07-12 | 宁波奥克斯电气股份有限公司 | Refrigerating unit control method and device and refrigerating unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5924296A (en) * | 1997-10-07 | 1999-07-20 | Denso Corporation | Motor vehicle air-conditioning apparatus with engine speed control |
| US6038871A (en) * | 1998-11-23 | 2000-03-21 | General Motors Corporation | Dual mode control of a variable displacement refrigerant compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002283840A (en) * | 2001-01-18 | 2002-10-03 | Denso Corp | Vapor-compression refrigeration cycle |
| JP4443812B2 (en) * | 2002-01-07 | 2010-03-31 | 株式会社デンソー | Air conditioner for vehicles |
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2005
- 2005-10-13 KR KR1020050096325A patent/KR101156378B1/en active IP Right Grant
- 2005-10-21 CN CNB2005101142513A patent/CN100523669C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5924296A (en) * | 1997-10-07 | 1999-07-20 | Denso Corporation | Motor vehicle air-conditioning apparatus with engine speed control |
| US6038871A (en) * | 1998-11-23 | 2000-03-21 | General Motors Corporation | Dual mode control of a variable displacement refrigerant compressor |
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| Publication number | Publication date |
|---|---|
| KR101156378B1 (en) | 2012-06-13 |
| KR20060053224A (en) | 2006-05-19 |
| CN1818519A (en) | 2006-08-16 |
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