CN101839783A - System and method for testing hydrodynamic retarder - Google Patents
System and method for testing hydrodynamic retarder Download PDFInfo
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- CN101839783A CN101839783A CN201010188383A CN201010188383A CN101839783A CN 101839783 A CN101839783 A CN 101839783A CN 201010188383 A CN201010188383 A CN 201010188383A CN 201010188383 A CN201010188383 A CN 201010188383A CN 101839783 A CN101839783 A CN 101839783A
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Abstract
The invention relates to a system and a method for testing a hydrodynamic retarder. The system comprises a hydrodynamic retarder (2) to be tested, a testing instrument, a testing plate (1) and an upper computer, wherein a sensor and a control valve are arranged in the hydrodynamic retarder (2) to be tested; the testing instrument and the testing plate (1) are used for acquiring; and the upper computer is used for comprehensively processing, outputting a testing result and recording. The method comprises the following steps that: the testing plate acquires the water temperature, the oil temperature, the speed and the pressure signal of the hydrodynamic retarder to be tested, converts the water temperature, the oil temperature, the speed and the pressure signal into the corresponding data signals, and then transmits the data signals to the upper computer; at the same time, the testing instrument acquires the torque of the hydrodynamic retarder to be tested and then transmits the torque to the upper computer in a data signal mode; and the upper computer receives the data signals transmitted by the testing plate and the testing instrument, performs comprehensive comparison and judgment with checkout standard data and outputs the testing result. The system and the method for testing the hydrodynamic retarder have the advantages of replacing manual test, improving testing efficiency, avoiding wrong judgment and solving the testing problem of the hydrodynamic retarder.
Description
Technical field
The present invention relates to automobile brake equipment, be specifically related to a kind of Retarder test macro and method thereof.
Background technology
Retarder is a kind of auxiliary brake device for automobile, is mainly used in motorbus, urban public traffic vehicles and heavy truck.This device is installed between truck drive shaft and the wheel box, and by rotation of rotor banding hydrodynamic power and impact stator, this moment, stator also can produce a reaction force acts in stator by fluid power, thereby hindered rotor rotation, realized contactless braking.Retarder produces the braking torque higher than current vortex retarder with lower electric energy, and has overcome the heat radiation bottleneck of high pulling torque current vortex retarder, is a kind of high-end retarder product, broad market prospect.
Because of Retarder is controlled than the current vortex retarder complexity, built-in speed pickup, oil temperature sensor, cooling-water temperature sensor, pressure transducer and the operation valve that is used to drive described Retarder to be measured, so its method of testing is also complicated more, traditional retarder test system is no longer suitable.And the Retarder test needs a plurality of instrument and meters of monitoring in real time, also to make comparisons with the braking effect curve, traditional manual testing's method also can't realize, so need a kind of advanced person's the automatic acquisition instrument instrumented data of test macro, then in real time and standard value verification, record, could solve the test problem of Retarder like this.
Summary of the invention
The technical issues that need to address of the present invention are that the replacement manual testing improves testing efficiency, avoids erroneous judgement, solves the test difficult problem of Retarder, guarantees that further test data is true.
First technical matters of the present invention solves like this: make up a kind of Retarder test macro, comprising:
Test instrumentation is used to test the moment of torsion of Retarder to be measured;
Test board, by built-in speed pickup, oil temperature sensor, cooling-water temperature sensor, the pressure transducer of test port and corresponding cable and described Retarder to be measured and the operation valve that is used to drive described Retarder to be measured be connected, be used for datumization and handle speed, oil temperature, water temperature and the pressure signal that described test port feeds back to;
Host computer is connected with test board with described test instrumentation, is used to receive the test data of described test instrumentation and test board and comprehensively relatively judges, outputs test result with the verification normal data.
According to test macro provided by the invention, described test board comprises output control unit, frequency signal shaping amplifying unit and the AD conversion unit of control module and connection thereof; Described output control unit is electrically connected described operation valve, described frequency signal shaping amplifying unit is electrically connected described speed pickup, described AD conversion unit input end is electrically connected described pressure transducer through signal shaping and filtering unit described in the described test board, and another input end signal amplification unit in described test board connects described oil temperature sensor and cooling-water temperature sensor respectively.
According to test macro provided by the invention, described test instrumentation connects described host computer by serial ports.
According to test macro provided by the invention, described test board includes, but are not limited to connect host computer by controller area network CAN.
According to test macro provided by the invention, described host computer connects CAN by the general-purpose serial bus USB interface through the CAN-USB converter.
According to test macro provided by the invention, this test macro also comprises the identity recognition device that is used to discern Retarder identity marks to be measured that is connected with described host computer.
According to test macro provided by the invention, it is bar code that described identity marks includes, but are not limited to, and it is barcode scanner that described identity recognition device includes, but are not limited to.
Another technical matters of the present invention solves like this: make up a kind of Retarder method of testing, may further comprise the steps:
The test board that host computer is controlled its connection drives Retarder to be measured;
Described test board is gathered and is sent to described host computer after the water temperature of described Retarder to be measured, oily temperature, speed and working chamber pressure signal are converted to the corresponding data signal, and test instrumentation is gathered the moment of torsion of described Retarder to be measured and sent to described host computer in the data-signal mode simultaneously;
Described host computer receives the data-signal and the verification normal data of described test board and test instrumentation transmission and comprehensively relatively judges, outputs test result.
According to method of testing provided by the invention, host computer is discerned the identity of Retarder to be measured and classification and is obtained the corresponding check normal data automatically according to described classification by the identity recognition device of its connection, also forms corresponding test record according to described identity after test is finished.
According to method of testing provided by the invention, described host computer is connected by the controller area network communication with test board; Described host computer is connected by serial communication with test instrumentation.
Retarder test macro provided by the invention and method thereof adopt full-automatic test, have the following advantages than prior art:
1. intelligence test---data acquisition, testing process, result judge all has system to finish automatically, can multiple qualified Rule of judgment intelligent decision by the host computer setting, substitute the complexity that the manual testing-institute can not finish and relatively judge, improve testing efficiency, avoid judging by accident;
2. guaranteeing the test data authenticity---sequence number, test data collection are to upper computer software, and test is finished data and stored into automatically in the read-only file, has avoided the possibility of manual intervention data, has guaranteed the authenticity of test data;
3. the various informative property of communication---both can realize distributed communication by the CAN bus, and also can realize point-to-point communication by serial ports, system forms more flexible like this.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a Retarder test macro connection diagram of the present invention;
Fig. 2 be shown in test board electricity theory diagram in the system;
Fig. 3 is a Retarder method of testing schematic flow sheet of the present invention.
Embodiment
The present invention will be described in conjunction with the specific embodiment of the invention:
As shown in Figure 1, Retarder test macro of the present invention comprises test instrumentation, test board 1, Retarder to be measured 2, host computer and barcode scanner.Wherein, Retarder 2 built-in speed pickups to be measured, oil temperature sensor, cooling-water temperature sensor, pressure transducer and the operation valve that is used to drive described Retarder to be measured, the test port that is connected test board 1 by corresponding port with cable connects.Dotted line among the figure between test instrumentation and the Retarder to be measured 2 represents to have between them test and the tested corresponding physical position relation that concerns.Contain control module (as: single-chip microcomputer) in the test board 1, connect host computer by CAN, host computer connects CAN by self USB port through CAN-USB.Test instrumentation is connected with host computer by serial ports and corresponding cable.Barcode scanner is connected with host computer, is used to scan the bar code of Retarder 2 to be measured.
One of core of the present invention: test board 1, circuit structure as shown in Figure 2, this embodiment adopts single-chip microcomputer to make control module, the output control unit that comprises single-chip microcomputer and connection thereof, frequency signal shaping amplifying unit and AD conversion unit, connect Retarder 2 by test port and corresponding cable, wherein: described output control unit is electrically connected the built-in ㈠ operation valve of Retarder to be measured 2, described frequency signal shaping amplifying unit is electrically connected the built-in ㈡ speed pickup of Retarder to be measured 2, described AD conversion unit input end is electrically connected the built-in ㈢ pressure transducer of Retarder to be measured 2 through signal shaping and filtering unit described in the described test board, another input end of described AD conversion unit signal amplification unit in described test board connects Retarder to be measured 2 built-in ㈣ cooling-water temperature sensor and oil temperature sensor respectively.This test board 1 also comprises CAN communication controller and the CAN communication receiving/transmission device that is connected with single-chip microcomputer, and described test board 1 is connected with the CAN network by CAN communication receiving/transmission device.Above-mentioned ㈠ operation valve, thereby be used to drive Retarder 2 work and begin test, the ㈡ speed pickup, be used to test Retarder 2 operating rates, the ㈢ pressure transducer, be used to measure the working chamber pressure of Retarder, ㈣ cooling-water temperature sensor and oil temperature sensor, real work water temperature when being used to respond to Retarder 2 tests and oil temperature.
Two of core of the present invention: the test procedure of built-in host computer and and test board 1 and test instrumentation between data communication, specifically as shown in Figure 3, specifically may further comprise the steps:
Scan Retarder 2 bar code number to be tested, be filled up to host computer software automatically;
Host computer is transferred this examination and test of products canonical parameter according to bar code number;
Host computer is tested according to hit testing button instruction execution:
(control panel drives Retarder work, and gathers water temperature, oil temperature, speed and working chamber pressure signal, by the CAN bus broadcast;
The moment of torsion rotational speed meters is gathered braking torque information and is sent to host computer by serial ports)
Host computer receives the CAN bus message of control panel broadcasting and the Serial Port Information that the moment of torsion rotational speed meters transmits by the CAN-USB converter;
Host computer with measured data record, demonstration, curve plotting, with the test stone data relatively;
Host computer is tested or manual test automatically according to hit testing button instruction execution, and wherein: manual test is to make operation valve increase/reduce Retarder working chamber pressure by air inlet/exhaust control; Automatically test is to test also automatically according to the testing process that host computer configures to judge whether the coincidence detection standard automatically: meet test stone parameter host computer and give a green light, it is qualified to show, otherwise sends out a warning;
Final step, host computer are that filename is saved in the EXCEL file with test data with the bar code number, and file is set to read-only.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (10)
1. a Retarder test macro is characterized in that, comprising:
Test instrumentation is used to test the moment of torsion of Retarder to be measured (2);
Test board (1), by built-in speed pickup, oil temperature sensor, cooling-water temperature sensor, the pressure transducer of test port and corresponding cable and described Retarder to be measured and the operation valve that is used to drive described Retarder to be measured be connected, be used for datumization and handle speed, oil temperature, water temperature and the pressure signal that described test port feeds back to;
Host computer is connected with test board (1) with described test instrumentation, is used to receive the test data of described test instrumentation and test board and comprehensively relatively judges, outputs test result with the verification normal data.
2. according to the described test macro of claim 1, it is characterized in that described test board (1) comprises output control unit, frequency signal shaping amplifying unit and the AD conversion unit of control module and connection thereof; Described output control unit is electrically connected described operation valve, described frequency signal shaping amplifying unit is electrically connected described speed pickup, described AD conversion unit input end is electrically connected described pressure transducer through signal shaping and filtering unit described in the described test board, and another input end signal amplification unit in described test board connects described oil temperature sensor and cooling-water temperature sensor respectively.
3. according to the described test macro of claim 1, it is characterized in that described test instrumentation connects described host computer by serial ports.
4. according to the described test macro of claim 1, it is characterized in that described test board (1) connects host computer by controller area network.
5. according to the described test macro of claim 4, it is characterized in that described host computer connects controller area network by USB interface via controller local area network-USB converter.
6. according to the described test macro of claim 1, it is characterized in that this test macro also comprises the identity recognition device that is used to discern Retarder to be measured (2) identity marks that is connected with described host computer.
7. according to the described test macro of claim 6, it is characterized in that described identity marks is a bar code, described identity recognition device is a barcode scanner.
8. a Retarder method of testing is characterized in that, may further comprise the steps:
The test board that host computer is controlled its connection drives Retarder to be measured (2);
Described test board (1) is gathered and is sent to described host computer after the water temperature of described Retarder to be measured, oily temperature, speed and working chamber pressure signal are converted to the corresponding data signal, and test instrumentation is gathered the moment of torsion of described Retarder to be measured and sent to described host computer in the data-signal mode simultaneously;
Described host computer receives the data-signal and the verification normal data of described test board and test instrumentation transmission and comprehensively relatively judges, outputs test result.
9. described according to Claim 8 method of testing, it is characterized in that, host computer is discerned the identity of Retarder to be measured (2) and classification and is obtained the corresponding check normal data automatically according to described classification by the identity recognition device of its connection, also forms corresponding test record according to described identity after test is finished.
10. described according to Claim 8 method of testing is characterized in that, described host computer is connected by the controller area network communication with test board (1); Described host computer is connected by serial communication with test instrumentation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101883831A CN101839783B (en) | 2010-06-01 | 2010-06-01 | System and method for testing hydrodynamic retarder |
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| CN2010101883831A CN101839783B (en) | 2010-06-01 | 2010-06-01 | System and method for testing hydrodynamic retarder |
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| CN101839783B CN101839783B (en) | 2011-09-14 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264692A (en) * | 2013-04-28 | 2013-08-28 | 深圳市特尔佳科技股份有限公司 | System and method for monitoring hydraulic retarder |
| CN103336524A (en) * | 2013-06-24 | 2013-10-02 | 陕西法士特齿轮有限责任公司 | Test and diagnosis device for electric control system of hydraulic retarder |
| CN103454093A (en) * | 2013-08-22 | 2013-12-18 | 深圳市特尔佳科技股份有限公司 | Handheld type retarder general-purpose tester |
| CN103699077A (en) * | 2013-12-11 | 2014-04-02 | 陕西法士特齿轮有限责任公司 | Bluetooth intelligent mobile terminal-based hydrodynamic retarder monitoring system |
| CN104675978A (en) * | 2015-03-03 | 2015-06-03 | 中国重汽集团济南动力有限公司 | Dual-oil-pump transmission with hydrodynamic retarder for heavy-duty mine car |
| CN105258957A (en) * | 2015-11-21 | 2016-01-20 | 成都科瑞信科技有限责任公司 | Eddy current retarder test system on the basis of filtering adjustment and emitter-coupled amplification |
| CN105466675A (en) * | 2015-11-21 | 2016-04-06 | 成都科瑞信科技有限责任公司 | Electric eddy current retarder test system based on emitter coupling type amplification circuit |
| CN105486517A (en) * | 2015-11-21 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Novel eddy current retarder test system |
| CN105486516A (en) * | 2015-11-21 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Eddy current retarder test system based on accurate temperature detection |
| CN106494382A (en) * | 2016-11-03 | 2017-03-15 | 宁波华盛联合制动科技有限公司 | A kind of Novel retarder monitoring system and its method |
| CN106768999A (en) * | 2016-11-02 | 2017-05-31 | 宁波华盛联合制动科技有限公司 | A kind of Retarder controller performance detection means |
| CN112629853A (en) * | 2020-11-03 | 2021-04-09 | 中国铁道科学研究院集团有限公司通信信号研究所 | Monitoring method for vehicle speed reducer |
| CN113984405A (en) * | 2021-10-18 | 2022-01-28 | 中国第一汽车股份有限公司 | Method for testing braking performance of retarder |
| CN114564001A (en) * | 2022-03-11 | 2022-05-31 | 河南力旭汽车零部件有限公司 | Automatic detection table for electric control unit |
| CN115107824A (en) * | 2022-07-26 | 2022-09-27 | 天津铁路信号有限责任公司 | Electro-hydraulic vehicle speed reducer monitoring system |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264692B (en) * | 2013-04-28 | 2015-09-16 | 深圳市特尔佳科技股份有限公司 | A kind of hydrodynamic retarder monitoring system and method thereof |
| CN103264692A (en) * | 2013-04-28 | 2013-08-28 | 深圳市特尔佳科技股份有限公司 | System and method for monitoring hydraulic retarder |
| CN103336524A (en) * | 2013-06-24 | 2013-10-02 | 陕西法士特齿轮有限责任公司 | Test and diagnosis device for electric control system of hydraulic retarder |
| CN103336524B (en) * | 2013-06-24 | 2015-12-02 | 陕西法士特齿轮有限责任公司 | A kind of Retarder electric-control system test and diagnostic device |
| CN103454093B (en) * | 2013-08-22 | 2016-02-03 | 深圳市特尔佳科技股份有限公司 | A kind of handheld type retarder general-purpose tester |
| CN103454093A (en) * | 2013-08-22 | 2013-12-18 | 深圳市特尔佳科技股份有限公司 | Handheld type retarder general-purpose tester |
| CN103699077A (en) * | 2013-12-11 | 2014-04-02 | 陕西法士特齿轮有限责任公司 | Bluetooth intelligent mobile terminal-based hydrodynamic retarder monitoring system |
| CN104675978A (en) * | 2015-03-03 | 2015-06-03 | 中国重汽集团济南动力有限公司 | Dual-oil-pump transmission with hydrodynamic retarder for heavy-duty mine car |
| CN105486517A (en) * | 2015-11-21 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Novel eddy current retarder test system |
| CN105466675A (en) * | 2015-11-21 | 2016-04-06 | 成都科瑞信科技有限责任公司 | Electric eddy current retarder test system based on emitter coupling type amplification circuit |
| CN105258957A (en) * | 2015-11-21 | 2016-01-20 | 成都科瑞信科技有限责任公司 | Eddy current retarder test system on the basis of filtering adjustment and emitter-coupled amplification |
| CN105486516A (en) * | 2015-11-21 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Eddy current retarder test system based on accurate temperature detection |
| CN106768999A (en) * | 2016-11-02 | 2017-05-31 | 宁波华盛联合制动科技有限公司 | A kind of Retarder controller performance detection means |
| CN106494382A (en) * | 2016-11-03 | 2017-03-15 | 宁波华盛联合制动科技有限公司 | A kind of Novel retarder monitoring system and its method |
| CN112629853A (en) * | 2020-11-03 | 2021-04-09 | 中国铁道科学研究院集团有限公司通信信号研究所 | Monitoring method for vehicle speed reducer |
| CN113984405A (en) * | 2021-10-18 | 2022-01-28 | 中国第一汽车股份有限公司 | Method for testing braking performance of retarder |
| CN113984405B (en) * | 2021-10-18 | 2024-05-07 | 中国第一汽车股份有限公司 | Retarder braking performance test method |
| CN114564001A (en) * | 2022-03-11 | 2022-05-31 | 河南力旭汽车零部件有限公司 | Automatic detection table for electric control unit |
| CN115107824A (en) * | 2022-07-26 | 2022-09-27 | 天津铁路信号有限责任公司 | Electro-hydraulic vehicle speed reducer monitoring system |
| CN115107824B (en) * | 2022-07-26 | 2024-04-09 | 天津铁路信号有限责任公司 | Electrohydraulic vehicle speed reducer monitoring system |
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