CN208672304U - A kind of solenoid valve test macro for automatic transmission - Google Patents
A kind of solenoid valve test macro for automatic transmission Download PDFInfo
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- CN208672304U CN208672304U CN201821240871.0U CN201821240871U CN208672304U CN 208672304 U CN208672304 U CN 208672304U CN 201821240871 U CN201821240871 U CN 201821240871U CN 208672304 U CN208672304 U CN 208672304U
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- solenoid valve
- automatic transmission
- test macro
- measured
- oil pressure
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Abstract
The utility model discloses a kind of solenoid valve test macro for automatic transmission, the solenoid valve test macro includes magnetic valve controller, data acquisition device, oil pressure sensor, Hall current sensor and host computer；The host computer and magnetic valve controller communication connection, the control output end control of the magnetic valve controller connects solenoid valve to be measured, the Hall current sensor is serially connected in the control loop of solenoid valve to be measured, the oil pressure sensor is mounted on valve body oil duct corresponding with solenoid valve to be measured, the signal acquisition port connection Hall current sensor and oil pressure sensor of the data acquisition device, the data acquisition device signal output end connection host computer the utility model has the advantages that: this solenoid valve test macro can test the solenoid valve of automatic transmission in the case where no gear box control unit (TCU), to reduce development cost and the development time of automatic transmission.
Description
Technical field
The utility model relates to automatic transmission testing fields, and in particular to a kind of solenoid valve survey for automatic transmission
Test system.
Background technique
Each gear of AT gearbox (automatic transmission) is controlled by one group of clutch-plate, to realize speed changing function.It is existing
AT automatic gear-box control driving is carried out to clutch disc using solenoid valve so that system is simpler, better reliability.
For AT automatic gear-box in shift process, gear box control unit (TCU) controls solenoid valve by current signal
Movement, to change gear box oil in the trend of valve body oil duct, when the oil pressure acted on multiple-piece clutch-plate reaches braking pressure
When power, multiple-piece clutch-plate combines to promote corresponding planetary gear set according to predetermined gear output power.
The AT electric-control system of AT gearbox on real vehicle is mainly used for the shift control of automatic gear-box, it by gearshift,
Gear box control unit (TCU), display device and the sensor (revolving speed, temperature, the sensors such as pressure) on transmission device
Deng composition, when driver carries out shifting by gearshift, TCU judges current vehicle row according to the signal of various sensors
State is sailed, and issues current controling signal to the solenoid valve block of AT gearbox, control proportion magnetic valve carries out according to certain rules
Variation, by control proportion magnetic valve aperture, control electromagnetic valve body oil duct oil flow and pressure, thus manipulate shift from
Clutch or brake are combined and separate, and gearbox is made to obtain different transmission ratios, realize the switching of gearbox-gear.
Currently need AT gearbox to be tested that can realize that 6 quick changes are kept off, TCU adjusts corresponding by 7 proportion magnetic valves of control
The oil pressure of oil cylinder is manipulated, the different combinations of states of 7 proportion magnetic valves can obtain different gears.But some manufacturers are in order to protect
The secret in TCU is protected, specified TCU can't be provided.When needing to test AT gearbox at no TCU, need to become according to AT
The characteristic of solenoid valve carries out special electrical design in fast case.
Utility model content
The purpose of this utility model is to provide a kind of solenoid valve test macro for automatic transmission, the test macro
The electromagnetism valve test of automatic transmission is realized by simulating gear box control unit, without increase interacting with TCU additionally
Development cost and development time solve current AT speed changer test and need automobile-used TCU, and exploitation Chen Bengao, development time are grown
Problem.
The utility model aim realization is completed by following technical scheme:
A kind of solenoid valve test macro for automatic transmission, the solenoid valve test macro include solenoid valve control dress
It sets, data acquisition device, oil pressure sensor, Hall current sensor and host computer；
The control output end of the host computer and magnetic valve controller communication connection, the magnetic valve controller controls
Solenoid valve to be measured is connected, the Hall current sensor is serially connected in the control loop of solenoid valve to be measured, the oil pressure sensor
It is mounted on valve body oil duct corresponding with solenoid valve to be measured, the signal acquisition port of the data acquisition device connects Hall current
The signal output end of sensor and oil pressure sensor, the data acquisition device connects host computer.
Further, several solenoid valves to be measured are installed, each solenoid valve to be measured passes through one in automatic transmission
Root control cable is attached with the magnetic valve controller.
Further, the control output end of the IP- input terminal connection magnetic valve controller of the Hall current sensor,
IP+ input terminal connects solenoid valve to be measured.
Further, the solenoid valve test macro includes CAN interface module and terminal box；Data acquisition device passes through
The terminal box and each Hall current sensor and each oil pressure sensor are electrically connected；The CAN interface module is total by CAN
Line and the magnetic valve controller are electrically connected.
Further, the DC power supply of the power module connection DC12V of the magnetic valve controller.
Further, set-point between the anode of the power module of the anode and magnetic valve controller of the DC power supply
Fire switch.
Further, the data acquisition device is NI data collecting card plate.
Further, the oil pressure sensor and Hall current sensor are all connected with the analog quantity AI of NI data collecting card plate
Port.
Further, the magnetic valve controller uses the control chip of Infineon TLE7242.
Further, the Hall current sensor uses Winson WCS2702 Hall sensor.
The utility model has the advantages that: this solenoid valve test macro can be in the feelings of no gear box control unit (TCU)
The solenoid valve of automatic transmission is tested under condition, to reduce development cost and the development time of automatic transmission.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model solenoid valve test macro；
Fig. 2 is the schematic diagram of the utility model solenoid valve test macro.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
As shown in Fig. 1 to 2,1-11 is marked to be respectively as follows: magnetic valve controller 1, oil pressure sensor 2, Hall current in figure
Sensor 3, solenoid valve to be measured 5, terminal box 6, data acquisition device 7, CAN interface module 8, host computer 9, DC power supply 10, point
Fiery switch 11.
Embodiment: as shown in Figure 1, 2, the present embodiment is specifically related to a kind of electromagnetism valve test system for automatic transmission
System, the system include magnetic valve controller 1, oil pressure sensor 2, current sensor 3, host computer 9, data acquisition device 7, connect
Wire box 6 and CAN interface module 8.
The output end of magnetic valve controller 1 is connect by controlling cable with the control terminal of solenoid valve 5 to be measured, solenoid valve control
Device 1 processed can by control cable to 5 output driving current of solenoid valve, solenoid valve 5 can according to the big minor adjustment of driving current its
The aperture of itself.7 solenoid valves 5 are provided in the present embodiment, in automatic transmission, above-mentioned solenoid valve 5 is proportion magnetic valve.
During testing the solenoid valve 5 of automatic transmission, each solenoid valve 5 passes through a control cable and solenoid valve control
Device 1 is attached.
In the present embodiment, magnetic valve controller 1 is used using the platform for gearbox control specially developed
The control chip of Infineon TLE7242.The control chip can achieve following effect for the control of VFS valve: (1) exporting electric current
Control precision full scale 5 ‰；(2) 6 tunnel constant current Flutter Controls are supported；(3) feedback delay time is less than 10ms.
Hall current sensor, the IP- input of Hall current sensor 3 are connected in the control loop of solenoid valve 5 to be measured
The control output end of end connection magnetic valve controller 1, another IP+ input terminal connect solenoid valve 5 to be measured.Hall current sensing
Device 3 is used to detect the size of the practical driving current of solenoid valve 5 to be measured.Hall current sensor 5 uses Winson WCS2702
Hall sensor.
Oil pressure sensor 2 is mounted on valve body oil duct corresponding with solenoid valve 5 to be measured.Oil pressure sensor 2 for detect with
The oil pressure of the corresponding valve body oil duct of solenoid valve 5 to be measured.In test process, the corresponding valve body of each solenoid valve 5 in automatic transmission
Oil duct is mounted on an oil pressure sensor 2.
Signal acquisition port (port analog quantity AI) the connection Hall current sensor 3 and oil pressure of data acquisition device 7 pass
Sensor 2, the signal output port of data acquisition device 7 connect host computer 9, and data acquisition device 7 can be by its own simulation
Amount channel is read out sampling to the output signal of Hall current sensor 3 and oil pressure sensor 2, and by collected output
Signal is sent to host computer 9.The data acquisition device 7 of the present embodiment is NI data collecting card plate.
Host computer 9 is sent to magnetic valve controller 1 by SPI communication agreement and is instructed, and magnetic valve controller 1 is according to connecing
The instruction received sends electromagnetic valve driving current, and Hall current sensor 3 detects the practical driving electricity of corresponding solenoid valve to be measured 5
Stream, oil pressure sensor 2 detect the pressure of corresponding valve body oil duct, the practical driving current signal and valve that host computer 9 will receive
The pressure signal and valve body assembly code of body oil duct are stored, and hydraulic data is transferred in the automatic gear-box test for future.
In the present embodiment, host computer 9 is connected with display, for showing test data.
Host computer 9 is attached by CAN interface module 8 with magnetic valve controller 1.CAN interface module 8 passes through CAN
Bus and magnetic valve controller 1 are electrically connected.
The DC power supply 10 of the power module connection DC12V of the magnetic valve controller of the present embodiment, the DC power supply 10
Anode and magnetic valve controller 1 power module anode between be arranged ignition switch 11.
During being tested using the solenoid valve test macro of the present embodiment automatic transmission, host computer 9 passes through
CAN interface module 8 is issued to magnetic valve controller 1 and is instructed, and drive magnetic valve control device 1 is according to instruction to automatic transmission
Each solenoid valve 5 to be measured issue electromagnetic valve driving current.Hall current sensor 3 measures each solenoid valve to be measured 5 simultaneously
Practical driving current, the pressure of the measurement of oil pressure sensor 2 valve body oil duct corresponding with each solenoid valve 5 to be measured.Host computer 9 passes through note
Record the data that the corresponding oil pressure sensor 2 of each solenoid valve to be measured and Hall current sensor 3 measure, available each electricity to be measured
Relationship between the pressure and the practical driving current of solenoid valve to be measured 5 of the corresponding valve body oil duct of magnet valve 5, it is possible thereby to determine electromagnetism
The performance and valve body assembling quality of valve.
The advantageous effects of the present embodiment are as follows: the solenoid valve test macro of the present embodiment can be controlled in no gearbox
The solenoid valve of automatic transmission is tested in the case where unit (TCU), to reduce the development cost of automatic transmission
And the development time.And in terms of micro-control effect, faster than TCU, precision is higher.
Claims (10)
1. a kind of solenoid valve test macro for automatic transmission, which is characterized in that the solenoid valve test macro includes electricity
Magnet valve control device, data acquisition device, oil pressure sensor, Hall current sensor and host computer；
The control output end of the host computer and magnetic valve controller communication connection, the magnetic valve controller controls connection
Solenoid valve to be measured, the Hall current sensor are serially connected in the control loop of solenoid valve to be measured, the oil pressure sensor installation
On valve body oil duct corresponding with solenoid valve to be measured, the signal acquisition port connection Hall current sensing of the data acquisition device
The signal output end of device and oil pressure sensor, the data acquisition device connects host computer.
2. the solenoid valve test macro described in accordance with the claim 1 for automatic transmission, which is characterized in that automatic transmission
On several solenoid valves to be measured are installed, each solenoid valve to be measured passes through a control cable and solenoid valve control dress
It sets and is attached.
3. being used for the solenoid valve test macro of automatic transmission according to claim 2, which is characterized in that the Hall electricity
The control output end of the IP- input terminal connection magnetic valve controller of flow sensor, IP+ input terminal connect solenoid valve to be measured.
4. the solenoid valve test macro described in accordance with the claim 1 for automatic transmission, which is characterized in that the solenoid valve
Test macro includes CAN interface module and terminal box；Data acquisition device is sensed by the terminal box and each Hall current
Device and each oil pressure sensor are electrically connected；The CAN interface module is electrical by CAN bus and the magnetic valve controller
Connection.
5. the solenoid valve test macro described in accordance with the claim 1 for automatic transmission, which is characterized in that the solenoid valve
The DC power supply of the power module connection DC12V of control device.
6. being used for the solenoid valve test macro of automatic transmission according to claim 5, which is characterized in that the direct current
Ignition switch is set between the anode of the power module of the anode and magnetic valve controller in source.
7. the solenoid valve test macro described in accordance with the claim 1 for automatic transmission, which is characterized in that the data are adopted
Packaging is set to NI data collecting card plate.
8. being used for the solenoid valve test macro of automatic transmission according to claim 7, which is characterized in that the oil pressure passes
Sensor and Hall current sensor are all connected with the port analog quantity AI of NI data collecting card plate.
9. the solenoid valve test macro described in accordance with the claim 1 for automatic transmission, which is characterized in that the solenoid valve
Control device uses the control chip of Infineon TLE7242.
10. the solenoid valve test macro described in accordance with the claim 1 for automatic transmission, which is characterized in that the Hall
Current sensor uses Winson WCS2702 Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240871.0U CN208672304U (en) | 2018-08-02 | 2018-08-02 | A kind of solenoid valve test macro for automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240871.0U CN208672304U (en) | 2018-08-02 | 2018-08-02 | A kind of solenoid valve test macro for automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672304U true CN208672304U (en) | 2019-03-29 |
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ID=65832387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240871.0U Active CN208672304U (en) | 2018-08-02 | 2018-08-02 | A kind of solenoid valve test macro for automatic transmission |
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| Country | Link |
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| CN (1) | CN208672304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532721A (en) * | 2021-09-10 | 2021-10-22 | 盛瑞传动股份有限公司 | Testing method of transmission |
| CN114323637A (en) * | 2021-12-30 | 2022-04-12 | 盛瑞传动股份有限公司 | Transmission P2C characteristic measurement method, device, electronic device and storage medium |
-
2018
- 2018-08-02 CN CN201821240871.0U patent/CN208672304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532721A (en) * | 2021-09-10 | 2021-10-22 | 盛瑞传动股份有限公司 | Testing method of transmission |
| CN114323637A (en) * | 2021-12-30 | 2022-04-12 | 盛瑞传动股份有限公司 | Transmission P2C characteristic measurement method, device, electronic device and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A solenoid valve test system for automatic transmission Effective date of registration: 20220209 Granted publication date: 20190329 Pledgee: Industrial Bank Co.,Ltd. Shanghai Zhangjiang sub branch Pledgor: SHANGHAI W-IBEDA HIGH TECH. GROUP CO.,LTD.|SHANGHAI H-REILHOFER AUTOMATION TEST TECHNOLOGY CO.,LTD. Registration number: Y2022310000019 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230321 Granted publication date: 20190329 Pledgee: Industrial Bank Co.,Ltd. Shanghai Zhangjiang sub branch Pledgor: SHANGHAI W-IBEDA HIGH TECH. GROUP CO.,LTD.|SHANGHAI H-REILHOFER AUTOMATION TEST TECHNOLOGY CO.,LTD.|TESCO (SHANGHAI) ELECTRICAL TESTING TECHNOLOGY Co.,Ltd. Registration number: Y2022310000019 |