CN202471403U - Detector for automobile automatic gearbox solenoid valve - Google Patents
Detector for automobile automatic gearbox solenoid valve Download PDFInfo
- Publication number
- CN202471403U CN202471403U CN2012200162110U CN201220016211U CN202471403U CN 202471403 U CN202471403 U CN 202471403U CN 2012200162110 U CN2012200162110 U CN 2012200162110U CN 201220016211 U CN201220016211 U CN 201220016211U CN 202471403 U CN202471403 U CN 202471403U
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- China
- Prior art keywords
- solenoid valve
- oil
- valve
- detector
- automatic gearbox
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to the technical field of automobile maintenance detection equipment, in particular to a detector for an automobile automatic gearbox solenoid valve, characterized in that an oil tank is fixed at the bottom of a cabinet, the lower portion of the right side of the oil tank is provided with an oil temperature heater, the central position of the upper portion of the oil tank is provided with a pipe connected with an oil return chamber, the upper portion of the oil return chamber is provided with an oil path transition plate, the upper portion of the oil path transition plate is provided with a solenoid valve adapter seat, the upper portion of the solenoid valve adapter seat is provided with a solenoid valve to be detected, the bottom of the solenoid valve to be detected is provided with a pipe passing through the oil path transition plate and being connected with a pressure sensor, one end of the tapping of the pipe at the bottom of the solenoid valve to be detected is connected with an oil pressure adjusting valve, the lower portion of the oil pressure adjusting valve is connected with the output end of an oil pump, the input end of the oil pump is connected with the input end of a safe valve on the oil tank, the solenoid valve to be detected is provided with a PWM power amplification circuit B, the oil pressure adjusting valve is provided with a PWM power amplification circuit A, the heater is provided with a relay, and the oil pump is provided with a frequency converter. The detector for an automobile automatic gearbox solenoid valve enables a power chip to have the functions of short circuit protection and overcurrent thermal protection, etc.
Description
[technical field]
The utility model relates to auto repair checkout equipment technical field, is specifically related to a kind of automatic gearbox solenoid valve detector.
[background technology]
Present automatic transmission has developed into the epoch that six speed are popularized; Most new type auto shifting of transmission controls all are to come direct solenoidoperated cluthes work through solenoid valve; Often cause shifting of transmission to impact even skid after wearing and tearing appears in solenoid valve and burn automatic transmission; But because the characteristics that electromagnetic valve structure is complicated, precision can not overhaul; The detection of magnetic valve performance becomes blind area and the difficult point in the automatic transmission maintenance, through looking into new domestic needleless still at present to the pick-up unit of automatic transmission solenoid valve.
[summary of the invention]
The purpose of the utility model is for overcoming the prior art defective, provide a kind of can be to the electric property of each model automatic transmission solenoid valve, the automatic gearbox solenoid valve detector that mechanical property is carried out comprehensive detection.
To achieve these goals, design a kind of automatic gearbox solenoid valve detector, comprise cabinet, motor, oil pump, fuel tank, oil heater, pressure adjusting solenoid valve, frequency converter, relay, PWM power amplifier, PC; It is characterized in that fuel tank is fixed on the cabinet bottom; The fuel tank lower right side is provided with oil heater, and fuel tank center upper portion position is provided with pipeline and connects oil revolute chamber, and oil revolute chamber top is provided with the oil circuit rebound; Oil circuit rebound top is provided with the solenoid valve adapted seat; Solenoid valve adapted seat top is provided with solenoid valve to be measured, and solenoid valve base to be measured is provided with pipeline and passes oil circuit rebound connection pressure transducer, and solenoid valve base pipeline to be measured tap one end connects oil pressure adjusting valve; The oil pressure adjusting valve bottom connects the output terminal of oil pump; The input end of oil pump connects the input end of the safety valve on the fuel tank, and solenoid valve to be measured is provided with PWM power amplifier B, and solenoid valve to be measured connects PWM power amplifier B; Oil pressure adjusting valve connects PWM power amplifier A; Well heater is provided with relay, and oil pump connects frequency converter, and the signal end of described PWM power amplifier B, power amplifier A, relay, frequency converter connects the signal output part of PC industrial computer through I/O interface board, D0/A0 output; The signal input part of PC industrial computer is provided with the DI/AI input mode, and the I/O interface board of described DI/AI is provided with pressure unit, temperature transmitter, electromagnetic valve current, stream and puts transmitter.
Pressure unit is provided with system pressure and detected pressures value.
Temperature transmitter is provided with oily temperature control value.
Flow transmitter is provided with flowmeter.
The solenoid valve adaptation board is replaceable according to the different model solenoid valve.
The every passage dutycycle of PWM solenoid control passage 0-100 million, frequency 0-2000Hz.
The utility model compared with prior art; The automatic gearbox solenoid valve detector has hydraulic oil heated at constant temperature control function; Can test the different performance parameter of solenoid valve under normal temperature and high temperature; Owing to have the constant temperature function, can guarantee the constant relatively accuracy of guaranteeing test of hydraulic oil viscosity in addition; The oil pressure that the utlity model has Linear Control is regulated solenoid valve, can conveniently realize the adjustment and the constant voltage control of system oil pressure; The automatic gearbox solenoid valve detector is the universal type machines, can detect various model solenoid valves, when the solenoid valve of test different model, only need change mutually deserved solenoid valve adaptation board and can realize mechanical connection; The automatic gearbox solenoid valve detector has triple channel PWM solenoid control passage, and every passage dutycycle 0-100 is adjustable, and frequency 0-2000Hz is adjustable; Power chip has functions such as short circuit, the protection of excess current heat, adopts current sampling circuit simultaneously, makes the electric control of solenoid valve form FEEDBACK CONTROL through current sample.
[description of drawings]
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the control system principle flow chart of the utility model.
Among the figure: 1 is cabinet, and 2 is oil pump, and 3 is fuel tank, and 4 is oil heater, and 5 is frequency converter, and 6 is relay; 7 is the PC industrial computer, and 8 is oil revolute chamber, and 9 is the oil circuit rebound, and 10 is the solenoid valve adapted seat, and 11 is solenoid valve to be measured; 12 is pressure transducer, and 13 is oil pressure adjusting valve, and 14 is safety valve, and 15 is PWM power amplifier B, and 16 is PWM power amplifier A; 17 is I/O interface board (D0/A0 output), and 18 is that I/O interface board (DI/AI input) pressure becomes device, and 19 is temperature transmitter, and 20 is electromagnetic valve current, and 21 is that stream is put transmitter; 22 is pressure unit, and 23 is system pressure, and 24 is detected pressures, and 25 is oily temperature control value, and 26 is flowmeter.
Appointment Fig. 1 is a Figure of abstract.
[embodiment]
Creation explains further details to the utility model below in conjunction with accompanying drawing, and this manufacturing technology is clearly to this professional personage.
As shown in Figure 1, the automatic gearbox solenoid valve detector is made up of cabinet, motor, oil pump, fuel tank, oil heater, return tray, pressure adjusting solenoid valve, frequency converter, relay, PWM power amplifier, PC; Fuel tank is fixed on the cabinet bottom, and the fuel tank lower right side is equipped with oil heater, and fuel tank center upper portion position is equipped with pipeline and is connected oil revolute chamber; The oil circuit rebound is installed on oil revolute chamber top again; The solenoid valve adapted seat is equipped with on oil circuit rebound top, and solenoid valve to be measured is equipped with on solenoid valve adapted seat top, and solenoid valve base to be measured has pipeline to pass oil circuit rebound connection pressure transducer; Solenoid valve base pipeline to be measured tap one end connects oil pressure adjusting valve; The oil pressure adjusting valve bottom connects the output terminal of oil pump, and the input end of oil pump connects the input end of the safety valve on the fuel tank, and solenoid valve to be measured is provided with PWM power amplifier B; PWM power amplifier A is arranged on the oil pressure adjusting valve; Relay is housed on the well heater, frequency converter is installed on oil pump, the signal end of PWM power amplifier B, power amplifier A, relay, frequency converter connects the signal output part of PC industrial computer through I/O interface board, D0/A0 output; The signal input part of PC industrial computer is provided with the DI/AI input mode, and the I/O interface board of DI/AI is provided with pressure unit, temperature transmitter, electromagnetic valve current, stream and puts transmitter.System pressure and detected pressures value are installed on the pressure unit.Oily temperature control value is housed on the temperature transmitter.Flow transmitter is provided with flowmeter.The solenoid valve adaptation board is replaceable according to the different model solenoid valve.The every passage dutycycle of PWM solenoid control passage 0-100 million, frequency 0-2000Hz.
The automatic gearbox solenoid valve detector can be tested the different performance parameter of solenoid valve under normal temperature and high temperature, also can test the solenoid valve of different model, and only needing to change mutually deserved solenoid valve adaptation board can realize.The automatic gearbox solenoid valve detector is equipped with the oil pressure adjusting solenoid valve of Linear Control, can conveniently realize the adjustment and the constant voltage control of system oil pressure, and power chip, has functions such as short circuit, the protection of excess current heat.Adopt current sampling circuit simultaneously, make the electric control of solenoid valve form FEEDBACK CONTROL through current sample.
As shown in Figure 2; Working current, control voltage, the oil temperature signal of industrial computer through gathering solenoid valve; Indirect calculation goes out the resistance of solenoid valve under the different temperatures; Then computing machine through with the different temperatures of having stored under resistance standard value comparison, judge whether solenoid valve exists to open a way or short circuit, realized detection to the solenoid valve electric property.
The detection principle of solenoid valve mechanical property does in the utility model; Because the output pressure of solenoid valve and the mechanical location of valve core of the electromagnetic valve have constant corresponding relation under system pressure is constant; The mechanical location of valve core of the electromagnetic valve has constant corresponding relation with the Control current of solenoid valve again, and promptly our corresponding relation of output pressure that only needs Control current and the solenoid valve of research solenoid valve is whether the mechanical property of decidable valve core of the electromagnetic valve is normal.When pressure is regulated solenoid valve; Produce required constant system pressure; Industrial computer is supplied with solenoid valve Different control dutycycle to be measured chronologically when the test solenoid valve; Simultaneous computer is gathered the output pressure of solenoid valve to be measured through pressure unit; Computing machine compares the measured value and the standard value of having stored then, judges that solenoid valve output pressure under different temperatures, dutycycle are controlled judges solenoid valve different mechanical locations under different temperatures afterwards and whether have operation irregularity whether in the predetermined tolerance scope.
Claims (6)
1. automatic gearbox solenoid valve detector; Comprise cabinet, motor, oil pump, fuel tank, oil heater, pressure adjusting solenoid valve, frequency converter, relay, PWM power amplifier, PC, it is characterized in that fuel tank is fixed on the cabinet bottom, the fuel tank lower right side is provided with oil heater; Fuel tank center upper portion position is provided with pipeline and connects oil revolute chamber; Oil revolute chamber top is provided with the oil circuit rebound, and oil circuit rebound top is provided with the solenoid valve adapted seat, and solenoid valve adapted seat top is provided with solenoid valve to be measured; Solenoid valve base to be measured is provided with pipeline and passes oil circuit rebound connection pressure transducer; Solenoid valve base pipeline to be measured tap one end connects oil pressure adjusting valve, and the oil pressure adjusting valve bottom connects the output terminal of oil pump, and the input end of oil pump connects the input end of the safety valve on the fuel tank; Solenoid valve to be measured is provided with PWM power amplifier B; Solenoid valve to be measured connects PWM power amplifier B, and oil pressure adjusting valve connects PWM power amplifier A, and well heater is provided with relay; Oil pump connects frequency converter; The signal end of described PWM power amplifier B, power amplifier A, relay, frequency converter connects the signal output part of PC industrial computer through I/O interface board, D0/A0 output, and the signal input part of PC industrial computer is provided with the DI/AI input mode, and the I/O interface board of described DI/AI is provided with pressure unit, temperature transmitter, electromagnetic valve current, stream and puts transmitter.
2. a kind of automatic gearbox solenoid valve detector as claimed in claim 1 is characterized in that pressure unit is provided with system pressure and detected pressures value.
3. a kind of automatic gearbox solenoid valve detector as claimed in claim 1 is characterized in that temperature transmitter is provided with oily temperature control value.
4. a kind of automatic gearbox solenoid valve detector as claimed in claim 1 is characterized in that flow transmitter is provided with flowmeter.
5. a kind of automatic gearbox solenoid valve detector as claimed in claim 1 is characterized in that the solenoid valve adaptation board is replaceable according to the different model solenoid valve.
6. a kind of automatic gearbox solenoid valve detector as claimed in claim 1 is characterized in that the every passage dutycycle of PWM solenoid control passage 0-100 million, frequency 0-2000Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200162110U CN202471403U (en) | 2012-01-13 | 2012-01-13 | Detector for automobile automatic gearbox solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200162110U CN202471403U (en) | 2012-01-13 | 2012-01-13 | Detector for automobile automatic gearbox solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471403U true CN202471403U (en) | 2012-10-03 |
Family
ID=46919555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200162110U Expired - Fee Related CN202471403U (en) | 2012-01-13 | 2012-01-13 | Detector for automobile automatic gearbox solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539137A (en) * | 2012-01-13 | 2012-07-04 | 上海新孚美变速箱技术服务有限公司 | Detector and detection method for electromagnetic valve of automobile automatic transmission |
| CN105547688A (en) * | 2016-02-28 | 2016-05-04 | 温州铭泽机电科技有限公司 | Testing device for dynamic valve element of solenoid valve |
-
2012
- 2012-01-13 CN CN2012200162110U patent/CN202471403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539137A (en) * | 2012-01-13 | 2012-07-04 | 上海新孚美变速箱技术服务有限公司 | Detector and detection method for electromagnetic valve of automobile automatic transmission |
| CN105547688A (en) * | 2016-02-28 | 2016-05-04 | 温州铭泽机电科技有限公司 | Testing device for dynamic valve element of solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20210113 |