CN201837519U - Clutch real vehicle dynamic detector - Google Patents
Clutch real vehicle dynamic detector Download PDFInfo
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- CN201837519U CN201837519U CN2010205960673U CN201020596067U CN201837519U CN 201837519 U CN201837519 U CN 201837519U CN 2010205960673 U CN2010205960673 U CN 2010205960673U CN 201020596067 U CN201020596067 U CN 201020596067U CN 201837519 U CN201837519 U CN 201837519U
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Abstract
The utility model relates to a clutch real vehicle dynamic detector, which belongs to the technical field of automobile component detection. The clutch real vehicle dynamic detector comprises a central processing unit, a torque measuring circuit, a temperature measuring circuit, a rotating speed measuring circuit, a power supply conversion circuit, a clock circuit, a data storage circuit, a serial communication interface circuit and an Ethernet interface circuit. The clutch real vehicle dynamic detector can realize the real vehicle installation measurement and has more real and believable data through being compared with jack horse test data. The clutch real vehicle dynamic detector can realize the measurement of the clutch torque, the rotating speed and the temperature, is simultaneously provided with the current time information, is convenient for observation and analysis and is provided with the Ethernet communication interface and the serial communication interface, and the requirement of different interfaces of an in-site ground computer can be met.
Description
Technical field
The utility model relates to a kind of clutch coupling real vehicle device for dynamically detecting, belongs to auto parts and components detection technique field.
Background technology
Clutch coupling is used for separation or engage engine and variator power contact between the two, its driving disc spacing pressing and clutch plate come transmitting torque by the rubbing action between surface of contact, engine can temporarily be separated between the two with variator, can engage gradually again, in transmission process, allow both to rotate mutually again.Clutch coupling can realize automobile gentle start, interrupt kinematic train power, cooperate gear shift, prevent function such as kinematic train overload, be one of important spare part on the automobile.
State-detection to clutch coupling adopts the stand monitoring mode more at present, wherein the measurement of moment of torsion is only limited to average torque or Steady Torque in the bench test, just there are two problems in this: one can not react the actual numerical value and the corresponding transmission shaft rotating speed thereof of dynamic torque exactly, the 2nd, bench test data and real vehicle service data still have certain difference, only depend on the platform experiment data can not satisfy car load producer and the clutch coupling producer demand to the clutch coupling product quality monitoring.The platform experiment equipment volume that at present clutch coupling is detected is huge in addition, and the cost height is not suitable for real vehicle and installs and operation.
The utility model content
The purpose of this utility model is in order to address the above problem, to propose a kind of clutch coupling real vehicle device for dynamically detecting.
The purpose of this utility model is achieved through the following technical solutions.
A kind of clutch coupling real vehicle device for dynamically detecting of the present utility model, comprise central processing unit, torque measurement circuit, temperature measuring circuit, tachometric survey circuit, power-switching circuit, clock circuit, data storage circuitry, serial communication interface circuit and Ethernet interface circuit, its peripherals is tested clutch coupling and clutch driven plate output shaft; Its annexation is:
Torque measurement circuit and temperature measuring circuit all are connected the analog acquisition interface of central processing unit, and the tachometric survey circuit connects the interface of catching of central processing unit;
Serial communication interface circuit comprises serial ports transceiver, joint and peripheral circuit thereof, and joint is in order to connect the serial ports of ground-based computer, and the serial ports transceiver links to each other with the serial port of central processing unit;
The Ethernet interface circuit comprises ethernet transceiver, isolating transformer, crystal head and peripheral circuit, crystal head is in order to link to each other with the Ethernet interface of ground-based computer, isolating transformer is responsible for connecting ethernet transceiver and crystal head, and ethernet transceiver links to each other with central processing unit data/address bus interface;
Clock circuit links to each other with central processing unit by data/address bus, for central processing unit provides the current time;
Data storage circuitry links to each other with central processing unit by data/address bus, is responsible for storage real vehicle moment of torsion in service, rotating speed and temperature data;
Torque measurement circuit is responsible for the output shaft torque of gaging clutch clutch plate, form by strain chip torque sensor and signal amplification circuit A, the foil gauge of strain chip torque sensor sticks on the position of clutch driven plate output shaft near clutch plate by strain gage adhesive, the output voltage signal of strain chip torque sensor is connected to the input end of signal amplification circuit A, the analog acquisition interface of the output termination central processing unit of signal amplification circuit A;
The tachometric survey circuit is responsible for the output shaft rotating speed of gaging clutch clutch plate, form by speed probe and signal conditioning circuit, speed probe is installed on the output shaft of clutch driven plate, the output frequency signal of speed probe connects the input end of signal conditioning circuit, the output termination central processing unit of signal conditioning circuit catch interface;
Temperature measuring circuit is responsible for the temperature of gaging clutch clutch plate, comprise temperature sensor and signal amplification circuit B, the temperature probe of temperature sensor is imbedded in the dust cover of clutch driven plate, the output voltage signal of temperature sensor connects the input end of signal amplification circuit B, the analog acquisition interface of the output termination central processing unit of signal amplification circuit B;
The input of power-switching circuit connects Vehicular accumulator cell, be output as the three-way power signal, be respectively power supply signal A, power supply signal B and power supply signal C, wherein power supply signal A provides power supply for torque measurement circuit and temperature measuring circuit, power supply signal B provides power supply for the front end of speed probe and signal conditioning circuit, and power supply signal C provides power supply for rear end, serial communication interface circuit, Ethernet interface circuit, clock circuit and the data storage circuitry of central processing unit, signal conditioning circuit;
The principle of above-mentioned torque measurement circuit is: when rotation axis because the effect of moment when twisting, the torsion angle that is produced makes the foil gauge generation deformation that becomes in the chip torque sensor, thereby cause the resistance of foil gauge to change, therefore under the situation that the electric bridge input voltage is fixed, output voltage can change, by detecting this change in voltage, can convert according to transducer calibration numerical value obtains the moment of torsion of transmission shaft.
A kind of clutch coupling real vehicle device for dynamically detecting of the present utility model, its course of work is:
1. torque measurement circuit converts the operating real-time torque signal of real vehicle to voltage signal, and through delivering to the analog acquisition interface of central processing unit behind the signal amplification circuit A;
2. temperature measuring circuit becomes voltage signal with the operating real time temperature conversion of signals of real vehicle, and through delivering to the analog acquisition interface of central processing unit behind the signal amplification circuit B;
3. the tachometric survey circuit converts the operating real-time tach signal of real vehicle to frequency signal, and through delivering to the interface of catching of central processing unit behind the signal conditioning circuit;
4. each cycle of central processing unit is read above-mentioned torque signal, temperature signal and a tach signal, and reads the current time from clock circuit, stores data storage circuitry after the packing into;
5. behind the real vehicle end of run, automobile is in halted state, and the Ethernet or the serial ports of ground-based computer inserted this device;
6. data in the central processing unit reading of data memory circuit, and deliver to ground-based computer by Ethernet or serial ports.
Beneficial effect
A kind of clutch coupling real vehicle device for dynamically detecting of the present utility model, have following advantage: volume is little, cost is low; Can realize that real vehicle installs and measures, the relevant data of record real vehicle clutch coupling in service, the data of comparing bench test are more genuine and believable; Can realize the measurement of clutch moment of torque, rotating speed and temperature, have current information of time simultaneously, be convenient to observe and analyze; Have ethernet interface and serial communication interface, can satisfy the needs of field ground computing machine distinct interface.
Description of drawings
Fig. 1 is a main part structural representation of the present utility model;
Fig. 2 is a power-switching circuit part connection diagram of the present utility model;
Fig. 3 is a torque measurement circuit connection diagram in the utility model;
Fig. 4 is the utility model medium speed metering circuit connection diagram;
Fig. 5 is a temperature measuring circuit connection diagram in the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Embodiment
A kind of clutch coupling real vehicle device for dynamically detecting, its inner structure and mutual connection diagram are as depicted in figs. 1 and 2, comprise central processing unit, torque measurement circuit, temperature measuring circuit, tachometric survey circuit, power-switching circuit, clock circuit, data storage circuitry, serial communication interface circuit and Ethernet interface circuit, its peripherals is tested clutch coupling and clutch driven plate output shaft; Its annexation is:
Torque measurement circuit and temperature measuring circuit all are connected the analog acquisition interface of central processing unit, and the tachometric survey circuit connects the interface of catching of central processing unit;
Serial communication interface circuit comprises serial ports transceiver, joint and peripheral circuit thereof, and joint is in order to connect the serial ports of ground-based computer, and the serial ports transceiver links to each other with the serial port of central processing unit;
The Ethernet interface circuit comprises ethernet transceiver, isolating transformer, crystal head and peripheral circuit, crystal head is in order to link to each other with the Ethernet interface of ground-based computer, isolating transformer is responsible for connecting ethernet transceiver and crystal head, and ethernet transceiver links to each other with central processing unit data/address bus interface;
Clock circuit links to each other with central processing unit by data/address bus, for central processing unit provides the current time;
Data storage circuitry links to each other with central processing unit by data/address bus, is responsible for storage real vehicle moment of torsion in service, rotating speed and temperature data;
Torque measurement circuit as shown in Figure 3, form by strain chip torque sensor and signal amplification circuit A, the foil gauge of strain chip torque sensor sticks on the position of clutch driven plate output shaft near clutch plate by strain gage adhesive, the output voltage signal of strain chip torque sensor is connected to the input end of signal amplification circuit A, the analog acquisition interface of the output termination central processing unit of signal amplification circuit A;
The tachometric survey circuit as shown in Figure 4, be responsible for the output shaft rotating speed of gaging clutch clutch plate, form by speed probe and signal conditioning circuit, speed probe is installed on the output shaft of clutch driven plate, the output frequency signal of speed probe connects the input end of signal conditioning circuit, the output termination central processing unit of signal conditioning circuit catch interface;
Temperature measuring circuit as shown in Figure 5, be responsible for the temperature of gaging clutch clutch plate, comprise temperature sensor and signal amplification circuit B, the temperature probe of temperature sensor is imbedded in the dust cover of clutch driven plate, the output voltage signal of temperature sensor connects the input end of signal amplification circuit B, the analog acquisition interface of the output termination central processing unit of signal amplification circuit B;
Power-switching circuit as shown in Figure 2, its input connects Vehicular accumulator cell, be output as the three-way power signal, be respectively power supply signal A, power supply signal B and power supply signal C, wherein power supply signal A provides power supply for torque measurement circuit and temperature measuring circuit, power supply signal B provides power supply for the front end of speed probe and signal conditioning circuit, and power supply signal C provides power supply for rear end, serial communication interface circuit, Ethernet interface circuit, clock circuit and the data storage circuitry of central processing unit, signal conditioning circuit;
Above-mentioned power supply signal A is ± 15V voltage that power supply signal B is+12V voltage that power supply signal C is+5V voltage;
Above-mentioned strain chip torque sensor adopts the quick full-bridge foil gauge of LM type silicon diffusive force;
Above-mentioned speed probe adopts the speed probe of magneto-electric, and model is SZMB-9-B;
Above-mentioned signal conditioning circuit adopts the light-coupled isolation mode, is responsible for the peak value of speed probe output is converted to+frequency signal of 5V for the frequency signal of+12V, and isolating with master chip is 6N137;
The said temperature sensor is a K type thermopair;
The master chip of above-mentioned signal amplification circuit A and signal amplification circuit B is AD8221;
The joint of above-mentioned serial communication interface circuit is the DB9 joint of 9 pins;
Above-mentioned serial ports transceiver adopts MAX232;
Above-mentioned ethernet transceiver chip is RTL8019, and the Ethernet isolating transformer adopts 20F001N, and crystal head is a RJ45 connector;
Above-mentioned clock circuit master chip is DS12C887;
Above-mentioned data storage circuitry adopts the Flash storer, and its master chip is SST39SF020;
A kind of clutch coupling real vehicle device for dynamically detecting of the present utility model, its course of work is:
1. torque measurement circuit converts the operating real-time torque signal of real vehicle to voltage signal, and through delivering to the analog acquisition interface of central processing unit behind the signal amplification circuit A;
2. temperature measuring circuit becomes voltage signal with the operating real time temperature conversion of signals of real vehicle, and through delivering to the analog acquisition interface of central processing unit behind the signal amplification circuit B;
3. the tachometric survey circuit converts the operating real-time tach signal of real vehicle to frequency signal, and through delivering to the interface of catching of central processing unit behind the signal conditioning circuit;
4. each cycle of central processing unit is read above-mentioned torque signal, temperature signal and a tach signal, and reads the current time from clock circuit, stores data storage circuitry after the packing into;
5. behind the real vehicle end of run, automobile is in halted state, and the Ethernet or the serial ports of ground-based computer inserted this device;
6. data in the central processing unit reading of data memory circuit, and deliver to ground-based computer by Ethernet or serial ports.
Claims (9)
1. clutch coupling real vehicle device for dynamically detecting, its peripherals is tested clutch coupling and clutch driven plate output shaft, it is characterized in that: comprise central processing unit, torque measurement circuit, temperature measuring circuit, tachometric survey circuit, power-switching circuit, clock circuit, data storage circuitry, serial communication interface circuit and Ethernet interface circuit; Its annexation is:
Torque measurement circuit and temperature measuring circuit all are connected the analog acquisition interface of central processing unit, and the tachometric survey circuit connects the interface of catching of central processing unit; Serial communication interface circuit links to each other with the serial port of central processing unit, and the external interface of serial communication interface circuit connects the serial ports of ground-based computer; The Ethernet interface circuit links to each other with central processing unit by the data/address bus interface, and the external interface of ethernet interface circuit connects the Ethernet interface of ground-based computer; Clock circuit links to each other with central processing unit by data/address bus; Data storage circuitry links to each other with central processing unit by data/address bus; The input of power-switching circuit connects Vehicular accumulator cell, be output as the three-way power signal, be respectively power supply signal A, power supply signal B and power supply signal C, wherein power supply signal A provides power supply for torque measurement circuit and temperature measuring circuit, power supply signal B provides power supply for the front end of speed probe and signal conditioning circuit, and power supply signal C provides power supply for rear end, serial communication interface circuit, Ethernet interface circuit, clock circuit and the data storage circuitry of central processing unit, signal conditioning circuit.
2. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 1, it is characterized in that: torque measurement circuit is made up of strain chip torque sensor and signal amplification circuit A, the foil gauge of strain chip torque sensor sticks on the position of clutch driven plate output shaft near clutch plate by strain gage adhesive, the output voltage signal of strain chip torque sensor is connected to the input end of signal amplification circuit A, the analog acquisition interface of the output termination central processing unit of signal amplification circuit A.
3. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 1, it is characterized in that: the tachometric survey circuit is made up of speed probe and signal conditioning circuit, speed probe is installed on the output shaft of clutch driven plate, the output frequency signal of speed probe connects the input end of signal conditioning circuit, the output termination central processing unit of signal conditioning circuit catch interface.
4. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 3, it is characterized in that: signal conditioning circuit is the light-coupled isolation mode.
5. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 1, it is characterized in that: temperature measuring circuit comprises temperature sensor and signal amplification circuit B, the temperature probe of temperature sensor is imbedded in the dust cover of clutch driven plate, the output voltage signal of temperature sensor connects the input end of signal amplification circuit B, the analog acquisition interface of the output termination central processing unit of signal amplification circuit B.
6. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 5 is characterized in that: temperature sensor is a K type thermopair.
7. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 1, it is characterized in that: serial communication interface circuit comprises serial ports transceiver, joint and peripheral circuit thereof, the serial ports transceiver links to each other with the serial port of central processing unit, and joint connects the serial ports of ground-based computer.
8. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 1, it is characterized in that: the Ethernet interface circuit comprises ethernet transceiver, isolating transformer, crystal head and peripheral circuit, crystal head is in order to link to each other with the Ethernet interface of ground-based computer, isolating transformer connects ethernet transceiver and crystal head, and ethernet transceiver links to each other with central processing unit by the data/address bus interface.
9. a kind of clutch coupling real vehicle device for dynamically detecting according to claim 1, it is characterized in that: the storage chip of data storage circuitry is the Flash storer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205960673U CN201837519U (en) | 2010-11-03 | 2010-11-03 | Clutch real vehicle dynamic detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205960673U CN201837519U (en) | 2010-11-03 | 2010-11-03 | Clutch real vehicle dynamic detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201837519U true CN201837519U (en) | 2011-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205960673U Expired - Fee Related CN201837519U (en) | 2010-11-03 | 2010-11-03 | Clutch real vehicle dynamic detector |
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| Country | Link |
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| CN (1) | CN201837519U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980764A (en) * | 2012-11-29 | 2013-03-20 | 北京卫星环境工程研究所 | Automatic testing system and testing method of harmonic drive mechanism in space environment |
| CN103558408A (en) * | 2013-10-31 | 2014-02-05 | 福田雷沃国际重工股份有限公司 | Engine and clutch differential speed detecting alarming device for harvesting machine |
| CN113049039A (en) * | 2021-03-16 | 2021-06-29 | 北理慧动（常熟）车辆科技有限公司 | Method for testing torque and temperature of clutch |
| RU226437U1 (en) * | 2024-04-22 | 2024-06-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "МИРЭА - Российский технологический университет" | Temperature measuring device |
-
2010
- 2010-11-03 CN CN2010205960673U patent/CN201837519U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980764A (en) * | 2012-11-29 | 2013-03-20 | 北京卫星环境工程研究所 | Automatic testing system and testing method of harmonic drive mechanism in space environment |
| CN102980764B (en) * | 2012-11-29 | 2015-06-17 | 北京卫星环境工程研究所 | Automatic testing system and testing method of harmonic drive mechanism in space environment |
| CN103558408A (en) * | 2013-10-31 | 2014-02-05 | 福田雷沃国际重工股份有限公司 | Engine and clutch differential speed detecting alarming device for harvesting machine |
| CN113049039A (en) * | 2021-03-16 | 2021-06-29 | 北理慧动（常熟）车辆科技有限公司 | Method for testing torque and temperature of clutch |
| RU226437U1 (en) * | 2024-04-22 | 2024-06-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "МИРЭА - Российский технологический университет" | Temperature measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20121103 |