CN103713630A - Fatigue life simulation test system for automatic transmission electronic control system - Google Patents
Fatigue life simulation test system for automatic transmission electronic control system Download PDFInfo
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- CN103713630A CN103713630A CN201310754840.2A CN201310754840A CN103713630A CN 103713630 A CN103713630 A CN 103713630A CN 201310754840 A CN201310754840 A CN 201310754840A CN 103713630 A CN103713630 A CN 103713630A
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Abstract
The invention relates to the field of automatic transmissions, in particular to a fatigue life simulation test system for an automatic transmission electronic control system. The fatigue life simulation test system comprises an upper computer, a signal generating unit, the automatic transmission electronic control system, a hydraulic unit and an oil supply unit. The upper computer is connected with the automatic transmission electronic control system through the signal generating unit. The automatic transmission electronic control system and the oil supply unit are connected with the hydraulic unit respectively. The oil supply unit is connected with the upper computer. According to the fatigue life simulation test system for the automatic transmission electronic control system, in the test process, no actual workload except a solenoid valve needs to be connected into the fatigue life simulation test system, the hydraulic unit is used for simulating a transmission hydraulic system in actual work, so that test cost is lowered, and tolerance of the solenoid valve is also detected; meanwhile, control can be performed on the upper computer, so that the fatigue life simulation test process for the automatic transmission electronic control system is simple and fast.
Description
Technical field
The present invention relates to automatic transmission field, particularly a kind of automatic speed-variator electric control system simulation experiment system fatigue lifetime.
Background technology
Along with the development of World Auto Industry, automatic transmission presents universal trend fast.Automatic speed-variator electric control system is one of gordian technique of automatic transmission, and its effect is equivalent to the brain of human body.After electronic control completes, carry out functional trial, EMC test, environmental performance test and fail-test etc., but present stage generally carries out test fatigue lifetime of electric-control system in stand or preventing test, experimentation cost is high, trivial operations, be difficult to demarcate its limit value fatigue lifetime, be also difficult to demarcate the whole system degree of wear.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of in the situation that there is no actual loading, can detect as required fatigue lifetime, the system wear degree of automatic speed-variator electric control system, automatic speed-variator electric control system simulation experiment system fatigue lifetime of the correctness of work-based logic.
For solving the problems of the technologies described above, the invention provides a kind of automatic speed-variator electric control system simulation system fatigue lifetime, comprising: host computer, signal generating unit, automatic speed-variator electric control system, hydraulic pressure unit and oil supply unit; Described host computer is connected with described automatic speed-variator electric control system by described signal generating unit; In described host computer, be provided with test request message fatigue lifetime of described gearbox controller, the described signal generating unit of described test request message process fatigue lifetime converts simulating signal to and is sent to described automatic speed-variator electric control system; Described automatic speed-variator electric control system and described oil supply unit are connected with described hydraulic pressure unit respectively; Described automatic speed-variator electric control system is according to described simulating signal, produce corresponding steering order and control parameter, described steering order and control parameter and be transmitted back on the one hand described host computer, is sent on the other hand described hydraulic pressure unit and controls described hydraulic pressure unit and complete corresponding test action; Described oil supply unit is connected with described host computer, and described host computer sends temperature control instruction and gives described oil supply unit, makes described oil supply unit provide the fuel oil of preset temperature for described hydraulic pressure unit.
Further, described signal generating unit comprises: pilot lamp mimic channel external interface, switch mimic channel external interface, pump impeller rotating speed analog feedback interface, secondary speed analog feedback interface, output shaft rotating speed analog feedback interface and USB-CAN interface card; The two ends of described pilot lamp mimic channel external interface, switch mimic channel external interface, pump impeller rotating speed analog feedback interface, secondary speed analog feedback interface, output shaft rotating speed analog feedback interface and USB-CAN interface card are connected with described host computer and described automatic speed-variator electric control system respectively.
Further, described hydraulic pressure unit comprises: hydraulic pressure valve plate, the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve, the 5th gearshift solenoid valve, locking solenoid valve, power taking solenoid valve, the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor; On described hydraulic pressure valve plate, be provided with solenoid valve interface groove; Described the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve, the 5th gearshift solenoid valve, locking solenoid valve and described power taking solenoid valve are connected with described solenoid valve interface groove respectively; Described the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor are installed on described hydraulic pressure valve plate; Described the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve and described the 5th gearshift solenoid valve are connected with described automatic speed-variator electric control system respectively; Described hydraulic pressure valve plate is connected with described oil supply unit; Described the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor are connected with described host computer respectively.
Further, described oil supply unit comprises: fuel tank, intelligent processing module, temperature sensor, well heater, heating radiator, filtrator, oil pump and retaining valve; Described temperature sensor is arranged in described fuel tank, and described temperature sensor is connected with described host computer; Described well heater is arranged in described fuel tank, and described host computer is connected with described well heater by described intelligent processing module; Described heating radiator is arranged on described fuel tank, and described heating radiator is connected with described intelligent processing module and described hydraulic pressure valve plate respectively; Described fuel tank is connected with described hydraulic pressure valve plate by described filtrator, oil pump and described retaining valve successively.
Further, described host computer comprises: pilot lamp control module, for configuring the test parameter of the pilot lamp of described automatic speed-variator electric control system, and by described pilot lamp mimic channel external interface, the test parameter of pilot lamp is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Switch control module, for configuring the test parameter of the switch of described automatic speed-variator electric control system, and by described switch mimic channel external interface, the test parameter of switch is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Pump impeller control module, for configuring the test parameter of the pump impeller rotating speed of described automatic speed-variator electric control system, and by described pump impeller rotating speed analog feedback interface, the test parameter of pump impeller rotating speed is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Turbine control module, for configuring the test parameter of the secondary speed of described automatic speed-variator electric control system, and by described secondary speed analog feedback interface, the test parameter of pump impeller rotating speed is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Engine control module, for configuring the test parameter of the engine speed of described automatic speed-variator electric control system, and by described output shaft rotating speed analog feedback interface, the test parameter of engine speed is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Temperature control modules, for configuring the required oil temperature information of described fuel tank, and sends described oil temperature information to described intelligent processing module, and described intelligent processing module sends control information to described well heater, and the fuel Heating in described fuel tank is arrived to assigned temperature; Display module, for showing the steering order that automatic speed-variator electric control system is passed back and controlling parameter and show the pressure data that described the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor transmit.
Automatic speed-variator electric control system simulation system fatigue lifetime provided by the invention, can configure at host computer the test data of automatic speed-variator electric control system, can test automatic speed-variator electric control system realize correct steering logic according to the data of configuration, and can test automatic speed-variator electric control system situation fatigue lifetime in the course of the work.In test during the course, except solenoid valve, do not need to access other actual operating load, adopt the transmission fluid pressing system in hydraulic pressure unit simulation real work, both reduced experimentation cost, detect again the tolerance of solenoid valve., can control at host computer meanwhile, make automatic speed-variator electric control system simulation test procedure fatigue lifetime simple, quick.
Accompanying drawing explanation
The automatic speed-variator electric control system simulation experiment system fatigue lifetime structural representation that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Referring to Fig. 1, a kind of automatic speed-variator electric control system simulation experiment system fatigue lifetime that the embodiment of the present invention provides, comprising: host computer, signal generating unit, automatic speed-variator electric control system, hydraulic pressure unit and oil supply unit.Host computer is connected with automatic speed-variator electric control system by signal generating unit; In host computer, configure test request message fatigue lifetime of automatic speed-variator electric control system, test request message converted simulating signal to and was sent to automatic speed-variator electric control system through signal generating unit fatigue lifetime.Automatic speed-variator electric control system and oil supply unit are connected with hydraulic pressure unit respectively; Automatic speed-variator electric control system, according to simulating signal, produces corresponding steering order and controls parameter, and steering order and control parameter are transmitted back to host computer on the one hand, is sent on the other hand hydraulic pressure unit control hydraulic pressure unit and completes corresponding test action.Oil supply unit is connected with host computer; According to test request, host computer sends temperature control instruction to oil supply unit, makes oil supply unit provide the fuel oil of design temperature for hydraulic pressure unit.Below the structure of automatic speed-variator electric control system simulation experiment system fatigue lifetime that further embodiment of the present invention provided describe:
Referring to Fig. 1, signal generating unit is comprised of pilot lamp mimic channel external interface, switch mimic channel external interface, pump impeller rotating speed analog feedback interface, secondary speed analog feedback interface, output shaft rotating speed analog feedback interface and USB-CAN interface card.Hydraulic pressure unit is comprised of hydraulic pressure valve plate, the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve, the 5th gearshift solenoid valve, locking solenoid valve, power taking solenoid valve, the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor.Oil supply unit comprises: fuel tank, intelligent processing module, temperature sensor, well heater, heating radiator, filtrator, oil pump and retaining valve.The two ends of pilot lamp mimic channel external interface, switch mimic channel external interface, pump impeller rotating speed analog feedback interface, secondary speed analog feedback interface, output shaft rotating speed analog feedback interface and USB-CAN interface card are connected with host computer and automatic speed-variator electric control system respectively.On hydraulic pressure valve plate, be provided with solenoid valve interface groove; The first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve, the 5th gearshift solenoid valve, locking solenoid valve and power taking solenoid valve are connected with solenoid valve interface groove respectively.The first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor are installed on hydraulic pressure valve plate, are respectively used to survey the force value of the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve, the 5th gearshift solenoid valve.The first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve and the 5th gearshift solenoid valve are connected with automatic speed-variator electric control system respectively; Hydraulic pressure valve plate is connected with oil supply unit; The first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor are connected with host computer respectively.Temperature sensor is arranged in fuel tank, and temperature sensor is connected with host computer; Well heater is arranged in fuel tank, and host computer is connected with well heater by intelligent processing module.Heating radiator is arranged on fuel tank, and heating radiator is connected with intelligent processing module and hydraulic pressure valve plate respectively.Fuel tank is connected with hydraulic pressure valve plate by filtrator, oil pump and retaining valve successively.
In the embodiment of the present invention, host computer inside is provided with: pilot lamp control module, for configuring the test parameter of the pilot lamp of automatic speed-variator electric control system, and by pilot lamp mimic channel external interface, the test parameter of pilot lamp is converted into the simulating signal that automatic speed-variator electric control system can be identified, for automatic speed-variator electric control system, test.Switch control module, for configuring the test parameter of the switch of automatic speed-variator electric control system, and by switch mimic channel external interface, the test parameter of switch is converted into the simulating signal that automatic speed-variator electric control system can be identified, for automatic speed-variator electric control system, test.Pump impeller control module, for configuring the test parameter of the pump impeller rotating speed of automatic speed-variator electric control system, and by pump impeller rotating speed analog feedback interface, the test parameter of pump impeller rotating speed is converted into the simulating signal that automatic speed-variator electric control system can be identified, for automatic speed-variator electric control system, test.Turbine control module, for configuring the test parameter of the secondary speed of automatic speed-variator electric control system, and by secondary speed analog feedback interface, the test parameter of pump impeller rotating speed is converted into the simulating signal that automatic speed-variator electric control system can be identified, for automatic speed-variator electric control system, test.Engine control module, for configuring the test parameter of the engine speed of automatic speed-variator electric control system, and by output shaft rotating speed analog feedback interface, the test parameter of engine speed is converted into the simulating signal that automatic speed-variator electric control system can be identified, for automatic speed-variator electric control system, test.Temperature control modules, for configuring the required oil temperature information of fuel tank, and sends oil temperature information to described intelligent processing module, and intelligent processing module sends control information to well heater, and the fuel Heating in fuel tank is arrived to assigned temperature.Display module, for showing the steering order that fluid drive machine controller is passed back and controlling parameter, is convenient to staff and analyzes.Above pilot lamp control module, switch control module, pump impeller control module, turbine control module, engine control module and display module are the inner software unit arranging of host computer.
Automatic speed-variator electric control system simulation experiment system fatigue lifetime that the embodiment of the present invention provides, test event information by automatic speed-variator electric control system is set at host computer is (as the abrasion condition setting the gearshift solenoid valve under working time or number of times, the performance of the automatic speed-variator electric control system under setting working time or number of times etc.), set test event information changes into simulating signal through the corresponding interface in signal generating unit and is sent to automatic speed-variator electric control system, automatic transmission responds obtained simulating signal, send steering order and control parameter, steering order and control parameter are transmitted back to the display unit in host computer by USB-CAN card interface on the one hand, be convenient to staff and carry out analyzing and processing, be sent on the other hand hydraulic pressure unit and control hydraulic pressure unit, control corresponding gearshift electromagnetic valve work, complete corresponding test action.In the process of test, also need, according to the requirement of test, by temperature control modules, the oil temperature of fuel tank reasonably to be controlled, whole hydraulic pressure unit is provided to the oil of using of design temperature.When analyzing the abrasion condition of gearshift solenoid valve, can judge according to the registration of the first to the 5th pressure transducer and system main oil pressure sensor, larger if corresponding registration departs from normal value, the degree of wear is larger.Automatic speed-variator electric control system simulation experiment system fatigue lifetime that the embodiment of the present invention provides, in test process, except adding the solenoid valve that needs test, do not need to access other actual operating load, adopt the automatic speed variator hydraulic system in hydraulic pressure unit simulation real work, greatly reduce experimentation cost.Meanwhile, in process of the test, can on host computer, set relevant test event, make automatic speed-variator electric control system simulation test procedure fatigue lifetime simple, quick.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. automatic speed-variator electric control system simulation experiment system fatigue lifetime, is characterized in that, comprising: host computer, signal generating unit, automatic speed-variator electric control system, hydraulic pressure unit and oil supply unit; Described host computer is connected with described automatic speed-variator electric control system by described signal generating unit; In described host computer, be provided with test request message fatigue lifetime of described gearbox controller, the described signal generating unit of described test request message process fatigue lifetime converts simulating signal to and is sent to described automatic speed-variator electric control system; Described automatic speed-variator electric control system and described oil supply unit are connected with described hydraulic pressure unit respectively; Described automatic speed-variator electric control system is according to described simulating signal, produce corresponding steering order and control parameter, described steering order and control parameter and be transmitted back on the one hand described host computer, is sent on the other hand described hydraulic pressure unit and controls described hydraulic pressure unit and complete corresponding test action; Described oil supply unit is connected with described host computer, and described host computer sends temperature control instruction and gives described oil supply unit, makes described oil supply unit provide the fuel oil of preset temperature for described hydraulic pressure unit.
2. automatic speed-variator electric control system simulation experiment system fatigue lifetime according to claim 1, it is characterized in that, described signal generating unit comprises: pilot lamp mimic channel external interface, switch mimic channel external interface, pump impeller rotating speed analog feedback interface, secondary speed analog feedback interface, output shaft rotating speed analog feedback interface and USB-CAN interface card; The two ends of described pilot lamp mimic channel external interface, switch mimic channel external interface, pump impeller rotating speed analog feedback interface, secondary speed analog feedback interface, output shaft rotating speed analog feedback interface and USB-CAN interface card are connected with described host computer and described automatic speed-variator electric control system respectively.
3. automatic speed-variator electric control system simulation experiment system fatigue lifetime according to claim 2, it is characterized in that, described hydraulic pressure unit comprises: hydraulic pressure valve plate, the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve, the 5th gearshift solenoid valve, locking solenoid valve, power taking solenoid valve, the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor; On described hydraulic pressure valve plate, be provided with solenoid valve interface groove; Described the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve, the 5th gearshift solenoid valve, locking solenoid valve and described power taking solenoid valve are connected with described solenoid valve interface groove respectively; Described the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor are installed on described hydraulic pressure valve plate; Described the first gearshift solenoid valve, the second gearshift solenoid valve, the 3rd gearshift solenoid valve, the 4th gearshift solenoid valve and described the 5th gearshift solenoid valve are connected with described automatic speed-variator electric control system respectively; Described hydraulic pressure valve plate is connected with described oil supply unit; Described the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and described system main oil pressure sensor are connected with described host computer respectively.
4. automatic speed-variator electric control system simulation system fatigue lifetime according to claim 3, is characterized in that, described oil supply unit comprises: fuel tank, intelligent processing module, temperature sensor, well heater, heating radiator, filtrator, oil pump and retaining valve; Described temperature sensor is arranged in described fuel tank, and described temperature sensor is connected with described host computer; Described well heater is arranged in described fuel tank, and described host computer is connected with described well heater by described intelligent processing module; Described heating radiator is arranged on described fuel tank, and described heating radiator is connected with described intelligent processing module and described hydraulic pressure valve plate respectively; Described fuel tank is connected with described hydraulic pressure valve plate by described filtrator, oil pump and described retaining valve successively.
5. automatic speed-variator electric control system simulation system fatigue lifetime according to claim 4, it is characterized in that, described host computer comprises: pilot lamp control module, for configuring the test parameter of the pilot lamp of described automatic speed-variator electric control system, and by described pilot lamp mimic channel external interface, the test parameter of pilot lamp is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Switch control module, for configuring the test parameter of the switch of described automatic speed-variator electric control system, and by described switch mimic channel external interface, the test parameter of switch is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Pump impeller control module, for configuring the test parameter of the pump impeller rotating speed of described automatic speed-variator electric control system, and by described pump impeller rotating speed analog feedback interface, the test parameter of pump impeller rotating speed is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Turbine control module, for configuring the test parameter of the secondary speed of described automatic speed-variator electric control system, and by described secondary speed analog feedback interface, the test parameter of pump impeller rotating speed is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Engine control module, for configuring the test parameter of the engine speed of described automatic speed-variator electric control system, and by described output shaft rotating speed analog feedback interface, the test parameter of engine speed is converted into the simulating signal that described automatic speed-variator electric control system can be identified, for described automatic speed-variator electric control system test; Temperature control modules, for configuring the required oil temperature information of described fuel tank, and sends described oil temperature information to described intelligent processing module, and described intelligent processing module sends control information to described well heater, and the fuel Heating in described fuel tank is arrived to assigned temperature; Display module, for showing the steering order that automatic speed-variator electric control system is passed back and controlling parameter and show the pressure data that described the first pressure transducer, the second pressure transducer, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure transducer and system main oil pressure sensor transmit.
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| CN109857082B (en) * | 2018-12-29 | 2021-12-07 | 盛瑞传动股份有限公司 | Automatic transmission diagnostic method and apparatus |
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| CN103713630B (en) | 2017-02-01 |
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