CN2293839Y - Micro droplet plate automatic cleaning machine - Google Patents

Abstract

The utility model relates to a micro droplet plate automatic cleaning machine which is mainly used for the enzyme immunity analysis in medicine clinic. A load box driving mechanism of the utility model adopts the non-contact magnetic transmission mode to cause a complete machine to has good sealing performance. Simultaneously, a cleaning head which is coaxial with infusing and can be realized at the same position. A vacuum / pressure pump with large power is adopted in a pressure vacuum mechanism, so the structure of the complete machine is optimized, and washing is even and thorough. Through the design of the majorized computer software, the Chinese character is displayed, and the man-machine interface is friendly. The utility model has simple operation.

Description

Droplet plate automatic rinser

The utility model relates to a kind of droplet plate automatic rinser that is mainly used in the clinical medicine EIA enzyme immunoassay.

In heterogeneous EIA enzyme immunoassay, a kind of Ab of being of reactant or Ag are fixed on the droplet hole wall of droplet plate, need to remove through washing step that bond and chaff interference are not measured to obtain measurement result accurately again after the immune response.The droplet plate automatic rinser of existing multiple structure in the prior art, the knee-action of its cleaning head of cleaning machine that has is the coaster micro motor for driving by photoelectric tube control, place respectively about pipette and liquid injection pipe, by the walking and make the cleaning head move left and right about on the slip pipe of belt pulley micro motor for driving coaster platform.The imbibition of the cleaning machine that also has, fluid injection are divided into two supports, and imbibition is to produce upper and lower displacement under the effect of magnetic force, and liquid feeding and flushing are to carry out the worm gear drives piston rod advances the effect of the positive air pressure of generation or negative pressure in piston bush under; Its support plate box then is equipped with guide wheel, is driven by power drive mechanism and makes back and forth movement.Though these are washed panel assembly and make and wash plate work and reach certain robotization, structure is generally comparatively loaded down with trivial details.

The purpose of this utility model is to provide a kind of software design of more optimizing that has, and structure is more reasonable, better tightness, the droplet plate automatic rinser that work efficiency is higher.

The purpose of this utility model is achieved in that cleaning machine comprises that casing, cleaning head, cleaning head elevating mechanism, droplet plate carry box, carry box driving mechanism, pressure vacuum mechanism, power supply circuit board and control circuit board, adopt a powerful vacuum/pressure pump in the pressure vacuum mechanism, produce malleation and negative pressure and make cleaning head finish fluid injection and imbibition function with pressure source and two kinds of functions of vacuum source; Many liquid injection pipes and pipette are arranged below the cleaning head, liquid injection pipe in the inside of pipette and with pipette concentric, the fluid injection chamber on the straight-through cleaning head top of liquid injection pipe, and the pipette imbibition chamber of logical cleaning head bottom only; The cleaning head elevating mechanism is screw mandrel, nut transmission mechanism, and the location optocoupler is housed on the nut, and cleaning head and nut fix, and drives screw mandrel by lifting motor and rotates, and screw mandrel drives nut again and cleaning head moves up and down; The bottom that the droplet plate carries box is equipped with two blocks of magnet, carry and also correspondingly on the slide plate of box driving mechanism to be equipped with two blocks of magnet, when slide plate moves back and forth, motion is reached the droplet plate and carry box by magnetic force, the droplet plate carries box and carries between the box driving mechanism has guide plate that both are isolated fully, and the droplet plate carries box and moves back and forth in guide plate under the effect of magnetic force; Power supply circuit board has multi-channel dc power supply and motor-drive circuit; control circuit board has microprocessor system, IO interface, limp motor commutation control circuit and power down protection circuit; the right front portion of casing is equipped with film and touches button; can import the multinomial board parameter of washing by this button; the left side at button is equipped with LCDs, can show Chinese character and data.

The utility model can make the cleaning unit that carries the box driving mechanism and easily overflow corrosive liquids isolate fully, thereby guarantee that cleaning machine has good sealing property owing to adopted the non-contact magnetic force kind of drive, has improved the reliability and the serviceable life of complete machine greatly; Simultaneously, annotate the coaxial cleaning head of imbibition, just can realize the washing step of imbibition one fluid injection one imbibition having improved work efficiency at same position owing to designed; Use has the high-power vacuum/pressure pump of pressure source and vacuum source, not only makes cleaning-machine structure optimization, and makes washing more even, thorough; The utility model is the computer software design by optimizing also, has realized the Chinese character demonstration, makes man-machine interface more friendly, and intuitive display is simple to operate.

Accompanying drawing 1 is the utility model profile synoptic diagram;

Accompanying drawing 2 is a cleaning head structure synoptic diagram of the present utility model;

Accompanying drawing 3 is an inner structure synoptic diagram of the present utility model;

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.

As shown in Figure 1, the right front portion of casing [1] is equipped with film and touches button [2], can import wash number, parameters such as the row of cleaning number, soak time and fluid injection volume, and the LCDs on the left side [3] can show corresponding Chinese character and data; The left part of casing [1] is equipped with guide plate [30], and the droplet plate that two blocks of magnet is housed for the bottom carries box [15] and moves back and forth, and cleaning head [4] can move up and down in guide plate [30] top.

As shown in Figure 2, many liquid injection pipes [5] and pipette [6] are arranged at the cleaning head bottom, make by stainless-steel tube, and quantity is identical with the columns of droplet plate; Liquid injection pipe [5] place in the pipette [6] and with its concentric, the fluid injection chamber [7] on straight-through cleaning head [4] top of liquid injection pipe [5], [8] are fluid injection chamber inlet, pipette [6] only communicates with the imbibition chamber [9] of cleaning head [4] bottom, [10] are that the imbibition chamber exports.

As shown in Figure 3, cleaning head [4] fixes with the nut [11] of elevating mechanism, lifting motor [13] places screw mandrel [12] below, screw mandrel [12] is supported by bearing [14], lifting motor [13] drives screw mandrel [12] and rotates, screw mandrel [12] drives nut [11] again and cleaning head [4] moves up and down, and utilizes the self-locking performance of screw mandrel and nut, and cleaning head and nut then can not drive screw mandrel because of gravity and rotate; Locate to also have a pressure piping [21] to pass in the bottle for handling liquid toilet or cosmetic substance [23] at cleaning head [4], have a vacuum line [24] to pass in the waste liquid bottle [25].The two ends of carrying the slide plate [17] of box driving mechanism respectively are equipped with a magnet [16], and slide plate [17] is fixed together with driving-belt [18], walk board motor [19] and drive driving-belt [18] motion, and slide plate [17] also and then moves back and forth on slide rail [20].[28] are control circuit board among the figure, and [29] are power supply circuit board.During operation, the cleansing solution for preparing is injected bottle for handling liquid toilet or cosmetic substance [23], and the droplet plate is carried box put into guide plate, the droplet plate carries slide plate [17] adhesive automatically that box can be below guide plate, again droplet plate to be washed is put into the droplet plate and carries box.Turn on the power switch, vacuum/pressure pump [26] starts, and cleaning machine enters armed state; Touch on the button input at film and wash board parameter, press start key after the affirmation, cleaning machine promptly enters automatic washing state: at first walk board motor [19] and start, the self-cleaning groove that the droplet plate carries box proceeds under the cleaning head [4], walking board motor [19] then closes, lifting motor [13] starts, pipette is fallen into the droplet plate and is carried in the self-cleaning groove of box, lifting motor [13] is closed, solenoid valve [22] is opened, cleansing solution injects in the self-cleaning groove, solenoid valve [22] cuts out, solenoid valve [27] is opened, cleansing solution in the self-cleaning groove is inhaled in the waste liquid bottle [25], solenoid valve [27] cuts out, the fluid injection imbibition several times so repeatedly, lifting motor [13] starts then, and cleaning head [4] lifts, and lifting motor [13] is closed, walking board motor [19] starts, first row's droplet hole of droplet plate proceeds under the cleaning head [4], walks board motor [19] and closes, and lifting motor [13] starts, pipette is fallen in droplet plate first row's droplet hole, lifting motor [13] is closed, and solenoid valve [27] is opened, and the liquid in first row's droplet hole is inhaled in the waste liquid bottle [25], solenoid valve [27] cuts out, solenoid valve [22] is opened, and cleansing solution injects in first row's droplet hole, and solenoid valve [22] cuts out, solenoid valve [27] is opened, cleansing solution in first row's droplet hole is inhaled in the waste liquid bottle [25], and solenoid valve [27] cuts out, imbibition so repeatedly, fluid injection, imbibition several times, lifting motor [13] starts then, cleaning head [4] lifts, and lifting motor [13] is closed, and first row's droplet hole washing finishes.Then, cleaning machine begins to wash second row's droplet hole automatically, all finishes until the cleaning row number washing of setting.At last, walk board motor [19] and the droplet plate is carried box retreat to the initial place together with the droplet plate, washing process finishes.

Claims (1)

1. a droplet plate automatic rinser comprises casing [1], cleaning head [4], cleaning head elevating mechanism, droplet plate

Carry box [15], carry box driving mechanism, pressure vacuum mechanism, power supply circuit board [29] and control circuit board [28],

It is characterized in that:

Adopt one powerful vacuum/pressurized in the pressure vacuum mechanism with pressure source and two kinds of functions of vacuum source

Pump [26] produces malleation and negative pressure and makes by pressure piping [21] and the vacuum line [24] that connects with cleaning head

Cleaning head [4] is finished fluid injection and imbibition function;

Many liquid injection pipes [5] and pipette [6] are arranged below the cleaning head [4], and liquid injection pipe [5] in the inside of pipette [6] also

With pipette [6] concentric, the fluid injection chamber [7] on straight-through cleaning head [4] top of liquid injection pipe [5], pipette [6]

The imbibition chamber [9] of only logical cleaning head [4] bottom;

The cleaning head elevating mechanism is screw mandrel [12], nut [11] gear train, and nut is equipped with the location optocoupler on [11],

Cleaning head [4] fixes with nut [11], drives screw mandrel [12] by lifting motor [13] and rotates, and screw mandrel drives again

Nut [11] and cleaning head [4] move up and down;

The bottom that the droplet plate carries box [15] is equipped with two blocks of magnet, and is also corresponding on slide plate [17] two ends of year box driving mechanism

Be equipped with magnet [16], by magnetic force motion reached the droplet plate at slide plate [17] when moving back and forth and carry box [15], little

Drip plate and carry between box and year box driving mechanism and have guide plate [30] that both are isolated fully, the droplet plate carries box [15] and exists

In guide plate [30], move back and forth under the effect of magnetic force;

The right front portion of casing [1] is equipped with film and touches button [2], can import the multinomial board parameter of washing by this button,

The left side of button is equipped with LCDs [3], can show Chinese character and data.

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