CN102129247A - Comprehensive detection method and detection system for automotive hydraulic automatic transmission control assembly - Google Patents
Comprehensive detection method and detection system for automotive hydraulic automatic transmission control assembly Download PDFInfo
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- CN102129247A CN102129247A CN 201010603684 CN201010603684A CN102129247A CN 102129247 A CN102129247 A CN 102129247A CN 201010603684 CN201010603684 CN 201010603684 CN 201010603684 A CN201010603684 A CN 201010603684A CN 102129247 A CN102129247 A CN 102129247A
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Abstract
The invention discloses a comprehensive detection method and a detection system for an automotive hydraulic automatic transmission control assembly. The method comprises the following steps of: performing a control assembly performance test, a control assembly thermal shock test, a control assembly immersion test and a control assembly pressure and temperature cycle test; simulating various complex working conditions of the hydraulic automatic transmission control assembly in the actual using process of an automobile under laboratory conditions; and comprehensively testing and evaluating the performance, reliability and service life of the automatic transmission control assembly. The detection system comprises a solenoid valve testing device, a mechanical system, a hydraulic system, an electrical control system and an automatic control system. The invention finishes comprehensive detection and evaluation of the automatic transmission control assembly through automatic means, can be widely applied to automobile manufacture enterprises, research and development mechanisms, detection mechanisms, quality measurement departments and maintenance enterprises, contributes to self-research and development of high-end automotive automatic transmissions, propels the technical progress of the industry, and has good economic and social benefits.
Description
Technical field
The present invention relates to a kind of method that the hydraulic automatic speed variator appurtenances are tested, particularly a kind of detection method of automobile hydraulic automatic gearbox Control Component and system.
Background technology
A kind of variator that the real existing automatic catch car of hydraulic automatic speed variator generally uses, by the hydrostatic control gear shift operation, hydraulic automatic speed variator has external load good automatic adjusting and adaptability, make vehicle start steady, quicken evenly, its damping effect has reduced the dynamic load and the torsional oscillation of power train, has prolonged the serviceable life of power train, has improved the average velocity of riding comfort, driving safety, trafficability characteristic and vehicle; Particularly automatically controlled hydraulic automatic speed variator, its performance more can adapt to the Hyundai Motor industrial expansion.
Automatically controlled hydraulic automatic speed variator is meant in the hydraulic control system, set up the Control Component of some hydraulic circuit of control, and Control Component is made up of solenoid valve, solenoid valve is controlled by ECU, finish required each action finished of variator, make power assembly reach optimum matching.This shows that the hydraulic automatic speed variator Control Component is an automatic transmission core building block,, control clutch, the braking of planetary gear set in the automatic transmission, reach the purpose of the speed ratio that changes variator by the switching of solenoid valve.
In the prior art, the hydraulic automatic speed variator Control Component of being made up of solenoid valve does not have effective detection means before entrucking, therefore, because Control Component itself is for the running environment incompatibility, in the short cycle, can break down, cause hydraulic automatic speed variator normally not move, influence the quality of car load; Increase the use cost and the maintenance cost of vehicle.
Therefore, need a kind of quality control method of controlling the hydraulic automatic speed variator Control Component, can before entrucking, effectively detect the quality of hydraulic automatic speed variator Control Component, guarantee that it has lower failure rate when using, simultaneously, guarantee that for research and development automatic transmission Control Component new product its reliability provides the standard of check.
Summary of the invention
In view of this, the invention provides a kind of automobile hydraulic automatic gearbox Control Component method for comprehensive detection and detection system, effective quality that detects the hydraulic automatic speed variator Control Component in the time of can or keeping in repair before entrucking, guarantee that it has lower failure rate when using, simultaneously, guarantee that for research and development automatic transmission Control Component new product its reliability provides the standard of check.
Automobile hydraulic automatic gearbox Control Component method for comprehensive detection of the present invention may further comprise the steps:
A. automatic transmission Control Component performance test: each solenoid valve to the automatic transmission Control Component detects;
B. automatic transmission Control Component thermal shock test:
B1 is soaked in temperature for soaking more than 0.1 hour in-40-0 ℃ the low temperature gear box oil medium with the automatic transmission Control Component;
It is to soak more than 0.1 hour in 80-200 ℃ the high temperature gear box oil medium that b2 is soaked in temperature with the automatic transmission Control Component;
B1 and b2 step carry out repeatedly that each solenoid valve to the automatic transmission Control Component detects more than b1 and the b2 step 15 time in no particular order;
C. automatic transmission Control Component soak test: it is in 80-200 ℃ the high temperature gear box oil more than 50 hours that the automatic transmission Control Component is soaked in temperature; Each solenoid valve to the automatic transmission Control Component after soaking detects;
D. automatic transmission Control Component pressure and temp cyclic test: the automatic transmission Control Component is soaked in the gear box oil, each solenoid valve to the automatic transmission Control Component is connected hydraulic system, adjust and change temperature, the pressure of hydraulic system and the flow of hydraulic system of gear box oil, adjust simultaneously and change the gear box oil oil level, each solenoid valve to the automatic transmission Control Component in the test detects;
Step b, c and d in no particular order, it is defective wherein to detect the defective automatic transmission Control Component that is of solenoid valve in the arbitrary step of a, b, c and d.
Further, among the step b1, the temperature of low temperature gear box oil is-20 ℃, and soak time is 0.25 hour; Among the step b2, the temperature of high temperature gear box oil is 140 ℃, and soak time is 0.25 hour; Among the step c, the temperature of high temperature gear box oil is 140 ℃, and soak time is 253 hours; Among the step b, the number of times that carries out b 1 and b2 step repeatedly is 92 times;
Further, in the steps d, the intensification of gear box oil or cooling rate are 10 ℃/minute.
The invention also discloses a kind of detection system that is used for real automobile hydraulic automatic gearbox Control Component method for comprehensive detection, comprising:
The solenoid valve proving installation, the performance of solenoid valve under imposing a condition that is used to test the automatic transmission Control Component;
Mechanical system, the transporter that described mechanical system comprises low temperature oil groove, high temperature oil groove, fueller and is used for the automatic transmission Control Component is transported between low temperature oil groove and high temperature oil groove, be provided for the low temperature oil groove electricity heat sink of gear box oil cooling in the described low temperature oil groove, be provided for the high temperature oil groove electric heater unit that gear box oil heats up in the high temperature oil groove;
Hydraulic system is used to be connected in the solenoid valve of automatic transmission Control Component and provides fluid pressure and flow;
Electric-control system, be used to connect the automatic transmission Control Component solenoid valve control circuit and by control circuit solenoid valve is implemented control;
Automatic control system, described automatic control system comprises:
Low temperature oil sump temperature sensor is arranged at and is used to detect low temperature oil groove internal speed-changing case oil temperature in the low temperature oil groove;
High temperature oil groove temperature sensor is arranged at and is used to detect high temperature oil groove internal speed-changing case oil temperature in the high temperature oil groove;
Hydraulic system pressure sensor is arranged at hydraulic system and is used to detect the pressure that hydraulic system provides for the solenoid valve of automatic transmission Control Component;
The flow rate of hydraulic system sensor is arranged at hydraulic system and is used to detect the flow that hydraulic system provides for the solenoid valve of automatic transmission Control Component;
Central processing unit is used to receive low temperature oil sump temperature sensor, high temperature oil groove temperature sensor, hydraulic system pressure sensor and flow rate of hydraulic system sensor signal and gives an order to the control circuit of low temperature oil groove electricity heat sink, high temperature oil groove electric heater unit and hydraulic system.
Further, oil storage tank in the middle of described fueller comprises, oil storage tank is communicated in the low temperature oil groove by fuel circulating pump I and dump pump I in the middle of described, be communicated in the high temperature oil groove by fuel circulating pump II and dump pump II, described fuel circulating pump I, dump pump I, fuel circulating pump II and dump pump II all control by central processing unit;
Described automatic control system also comprises:
Low temperature oil groove liquid level gauge is used to gather the liquid level parameter of low temperature oil groove and be delivered to central processing unit;
High temperature oil groove liquid level gauge is used to gather the liquid level parameter of high temperature oil groove and be delivered to central processing unit.
Further, also comprise temperature, pressure cyclic test oil groove by the fueller fuel feeding; Temperature, pressure cyclic test oil groove heating arrangement and temperature, pressure cyclic test oil sump temperature sensor are set in the described temperature, pressure cyclic test oil groove, described temperature, pressure cyclic test oil sump temperature sensor signal is transported to central processing unit, and the central processing unit command signal is transported to temperature, pressure cyclic test oil groove heating arrangement; Middle oil storage tank is communicated in temperature, pressure cyclic test oil groove by fuel circulating pump III and dump pump III, and described fuel circulating pump III and dump pump III all control by central processing unit;
Described automatic control system also comprises:
Temperature, pressure cyclic test oil groove liquid level gauge is used for the liquid level parameter of collecting temperature pressure cycling test oil groove and is delivered to central processing unit;
Further, on described fuel circulating pump I, dump pump I, fuel circulating pump II, dump pump II, fuel circulating pump III and the dump pump III pipeline solenoid valve of controlling by central processing unit is set respectively;
Further, oil storage tank in the middle of described fueller comprises, oil storage tank is that hermetically-sealed construction and installation site are lower than low temperature oil groove and high temperature oil groove in the middle of described, middle oil storage tank is provided with pressurising pipeline and blow-down pipe, middle oil storage tank is communicated in the low temperature oil groove by pipe laying I, be communicated in the high temperature oil groove by pipe laying II, described pressurising pipeline, blow-down pipe, pipe laying I and pipe laying II are provided with the solenoid valve of being controlled by central processing unit respectively;
Described automatic control system also comprises:
Low temperature oil groove liquid level gauge is used to gather the liquid level parameter of low temperature oil groove and be delivered to central processing unit;
High temperature oil groove liquid level gauge is used to gather the liquid level parameter of high temperature oil groove and be delivered to central processing unit;
Further, also comprise temperature, pressure cyclic test oil groove by the fueller fuel feeding; Temperature, pressure cyclic test oil groove heating arrangement and temperature, pressure cyclic test oil sump temperature sensor are set in the described temperature, pressure cyclic test oil groove, described temperature, pressure cyclic test oil sump temperature sensor signal is transported to central processing unit, and the central processing unit command signal is transported to temperature, pressure cyclic test oil groove heating arrangement; Middle oil storage tank is communicated in temperature, pressure cyclic test oil groove by pipe laying III, and described pipe laying III is provided with the solenoid valve of controlling by central processing unit;
Described automatic control system also comprises:
Temperature, pressure cyclic test oil groove liquid level gauge is used for the liquid level parameter of collecting temperature pressure cycling test oil groove and is delivered to central processing unit;
Further, described transporter is the running vehicle type structure.
Beneficial effect of the present invention: automobile hydraulic automatic gearbox Control Component method for comprehensive detection of the present invention and detection system, adopt effective detection means, carry out automatic transmission Control Component performance test, automatic transmission Control Component thermal shock test, automatic transmission Control Component soak test and the cyclic test of automatic transmission Control Component pressure and temp, under laboratory condition, the simulation various complex working conditions of hydraulic automatic speed variator Control Component in the actual use of automobile, integration test is also estimated the performance of automatic transmission Control Component, reliability and life-span; Effective quality that detects the hydraulic automatic speed variator Control Component in the time of can or keeping in repair before entrucking guarantees to have lower failure rate when it uses, and simultaneously, guarantees that its reliability provides the standard of check during for research and development automatic transmission Control Component new product.
Detection system comprises solenoid valve proving installation, mechanical system, hydraulic system, electric-control system and automatic control system, finish comprehensive detection and evaluation by the robotization means to the automatic transmission Control Component, improve the detection efficiency of automatic transmission Control Component, guarantee its total quality, thereby be beneficial to the normal operation that guarantees hydraulic automatic speed variator; Detection system of the present invention is the pilot system of automatic gearbox and Control Component research and development thereof, the examination and test of products, product maintenance, can be widely used in automobile production enterprise, research and development institution, testing agency, mass metrology department and maintenance company; Help the independent research of middle-to-high end car automatic transmission, break external technical monopoly, overcome the gordian technique bottleneck, advance the technical progress of industry, have good economical, societal benefits.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is the structural representation of first kind of embodiment of the present invention;
Fig. 2 is first kind of embodiment control principle of the present invention block diagram;
Fig. 3 is the structural representation of second kind of embodiment of the present invention;
Fig. 4 is second kind of embodiment control principle of the present invention block diagram.
Embodiment
The automobile hydraulic automatic gearbox Control Component method for comprehensive detection of present embodiment may further comprise the steps:
May further comprise the steps:
A. automatic transmission Control Component performance test: each solenoid valve to the automatic transmission Control Component detects; Can adopt the solenoid valve detection method of prior art, whether the action of test solenoid valve is smooth and easy, whether reaction is sensitive, whether sealing property and handling capacity meet the requirements;
B. automatic transmission Control Component thermal shock test:
B1 is soaked in temperature for soaking more than 0.1 hour in-40-0 ℃ the low temperature gear box oil medium with the automatic transmission Control Component;
It is to soak more than 0.1 hour in 80-200 ℃ the high temperature gear box oil medium that b2 is soaked in temperature with the automatic transmission Control Component;
B1 and b2 step carry out repeatedly that each solenoid valve to the automatic transmission Control Component detects more than b1 and the b2 step 15 time in no particular order; The solenoid valve of automatic transmission Control Component is tested traditional performance the such as whether action of the solenoid valve of test automatic transmission Control Component is smooth and easy, whether reaction is sensitive, whether sealing property and handling capacity meet the requirements in thermal shock test;
C. automatic transmission Control Component soak test: it is in 80-200 ℃ the high temperature gear box oil more than 50 hours that the automatic transmission Control Component is soaked in temperature; Each solenoid valve to the automatic transmission Control Component after soaking detects; Traditional performances the such as whether action of the solenoid valve of test automatic transmission Control Component is smooth and easy, whether reaction is sensitive, whether sealing property and handling capacity meet the requirements;
D. automatic transmission Control Component pressure and temp cyclic test: the automatic transmission Control Component is soaked in the gear box oil, each solenoid valve to the automatic transmission Control Component is connected hydraulic system, adjust and change temperature, the pressure of hydraulic system and the flow of hydraulic system of gear box oil, adjust simultaneously and change the gear box oil oil level, the performance of the solenoid valve of test automatic transmission Control Component under the low liquid level situation of gear box oil; Each solenoid valve to the automatic transmission Control Component in test (immersion) process detects; Traditional performances the such as whether action of the solenoid valve of test automatic transmission Control Component is smooth and easy, whether reaction is sensitive, whether sealing property and handling capacity meet the requirements;
Step b, c and d in no particular order, it is defective wherein to detect the defective automatic transmission Control Component that is of solenoid valve in the arbitrary step of a, b, c and d.
In the present embodiment, among the step b1, the temperature of low temperature gear box oil is-20 ℃, and soak time is 0.25 hour; Among the step b2, the temperature of high temperature gear box oil is 140 ℃, and soak time is 0.25 hour; Among the step c, the temperature of high temperature gear box oil is 140 ℃, and soak time is 253 hours; Among the step b, the number of times that carries out b1 and b2 step repeatedly is 92 times; Traditional performances the such as whether action of the solenoid valve of test automatic transmission Control Component under rational extreme environment be smooth and easy, whether reaction is sensitive, whether sealing property and handling capacity meet the requirements, make it have stronger adaptive faculty, be beneficial to and guarantee its running quality.
In the present embodiment, in the steps d, in the steps d, the intensification of gear box oil or cooling rate are 10 ℃/minute; Temperature, hydraulic pressure and the flow of simulated automotive hydraulic automatic speed variator when operation makes it more can be applicable to the needs of automatic gearbox.
The invention also discloses a kind of detection system that is used for real automobile hydraulic automatic gearbox Control Component method for comprehensive detection, Fig. 1 is first kind of embodiment structural representation of detection system, Fig. 2 is first kind of embodiment control principle of the present invention block diagram, as shown in the figure, detection system comprises:
Solenoid valve proving installation 5, the performance of solenoid valve under imposing a condition that is used to test automatic transmission Control Component 29; Can adopt proving installation of the prior art to test, also can adopt hydraulic automatic speed variator directly to test, the real simulation environment for use; Present embodiment solenoid valve proving installation adopts the hydraulic automatic speed variator structure directly to test;
Mechanical system, the transporter 7 that described mechanical system comprises low temperature oil groove 1, high temperature oil groove 2, fueller and is used for automatic transmission Control Component 29 is transported between low temperature oil groove 1 and high temperature oil groove 2, be provided for the low temperature oil groove electricity heat sink 8 of gear box oil cooling in the described low temperature oil groove 1, be provided for the high temperature oil groove electric heater unit 11 that gear box oil heats up in the high temperature oil groove 2; Transporter 7 can adopt transshipment acitivity commonly used in the prior art, comprises structures such as driving; Low temperature oil groove electricity heat sink 8 and high temperature oil groove electric heater unit 11 also can adopt refrigeration and heating arrangement comparatively conventional in the prior art, all can realize goal of the invention;
Electric-control system 4, be used to connect automatic transmission Control Component 29 solenoid valve control circuit and by control circuit solenoid valve is implemented control; Be used for cooperating the solenoid valve test process to send action command;
Automatic control system, described automatic control system comprises:
Low temperature oil sump temperature sensor 26 is arranged at and is used to detect low temperature oil groove 1 internal speed-changing case oil temperature in the low temperature oil groove 1;
High temperature oil groove temperature sensor 27 is arranged at and is used to detect high temperature oil groove 2 internal speed-changing case oil temperatures in the high temperature oil groove 2;
Hydraulic system pressure sensor 32 is arranged at hydraulic system 6 and is used to detect the pressure that hydraulic system 6 provides for the solenoid valve of automatic transmission Control Component 29;
Flow rate of hydraulic system sensor 33 is arranged at hydraulic system 6 and is used to detect the flow that hydraulic system 6 provides for the solenoid valve of automatic transmission Control Component 29;
Detection system of the present invention in use, by transporter 7 the automatic transmission Control Component is transported to low temperature oil groove 1 or high temperature oil groove 2, the operator is to the time of central processing unit input test, temperature, pressure, target components such as flow, central processing unit 39 is according to target component value and low temperature oil sump temperature sensor 26, high temperature oil groove temperature sensor 27, the signal of hydraulic system pressure sensor 32 and flow rate of hydraulic system sensor 33, to low temperature oil groove electricity heat sink 8, high temperature oil groove electric heater unit 11 and hydraulic system 6 are sent control commands corresponding, control low temperature oil groove 1, correlation parameter in the high temperature oil groove 2, finish automatic transmission Control Component performance test, automatic transmission Control Component thermal shock test, the testing process of automatic transmission Control Component soak test and the cyclic test of automatic transmission Control Component pressure and temp, work efficiency is higher; Central processing unit can adopt the PLC self-actuated controller;
In the present embodiment, oil storage tank 8 in the middle of described fueller comprises, oil storage tank 8 is communicated in low temperature oil groove 1 by fuel circulating pump I 25 and dump pump I 23 in the middle of described, middle oil storage tank 8 is communicated in the high temperature oil groove by fuel circulating pump II21 and dump pump II19, and described fuel circulating pump I 25, dump pump I 23, fuel circulating pump II21 and dump pump II19 all control by central processing unit 39;
Described automatic control system also comprises:
Low temperature oil groove liquid level gauge 9 is used to gather the liquid level parameter of low temperature oil groove 1 and is delivered to central processing unit 39;
High temperature oil groove liquid level gauge 10 is used to gather the liquid level parameter of high temperature oil groove 2 and is delivered to central processing unit 39;
In the present embodiment, also comprise temperature, pressure cyclic test oil groove 3 by the fueller fuel feeding; Temperature, pressure cyclic test oil groove heating arrangement 13 and temperature, pressure cyclic test oil sump temperature sensor 28 are set in the described temperature, pressure cyclic test oil groove 3, described temperature, pressure cyclic test oil sump temperature sensor 28 signals are transported to central processing unit 39, and central processing unit 39 command signals are transported to temperature, pressure cyclic test oil groove heating arrangement 13; Middle oil storage tank is communicated in temperature, pressure cyclic test oil groove 3 by fuel circulating pump III17 and dump pump III15, and described fuel circulating pump III17 and dump pump III15 all control by central processing unit 39;
Described automatic control system also comprises:
Temperature, pressure cyclic test oil groove liquid level gauge 12 is used for the liquid level parameter of collecting temperature pressure cycling test oil groove 3 and is delivered to central processing unit 39; Central processing unit 39 is according to the liquid level signal of temperature, pressure cyclic test oil groove liquid level gauge 12, and the keying circuit of control fuel circulating pump III17 and dump pump III15 reaches the purpose of regulating liquid level, realizes the robotization in the testing process, reduces cost of labor; Adopt independent temperature, pressure cyclic test oil groove, carry out the temperature, pressure cyclic test separately,, can make different automatic transmission Control Components carry out the detection of different operations simultaneously, be beneficial to and increase work efficiency in conjunction with control automatically; Certainly, also can not adopt independent temperature, pressure cyclic test oil groove 3, the temperature, pressure cyclic test also can be undertaken by high temperature oil groove 2.
In the present embodiment, on described fuel circulating pump I 25, dump pump I 23, fuel circulating pump II21, dump pump II19, fuel circulating pump III17 and the dump pump III15 pipeline solenoid valve of controlling by central processing unit 39 is set respectively, as shown in the figure, on fuel circulating pump I 25 pipelines solenoid valve 24 is set, on dump pump I 23 pipelines solenoid valve 22 is set, on the fuel circulating pump II21 pipeline solenoid valve 20 is set, on the dump pump II19 pipeline solenoid valve 18 is set, on the fuel circulating pump III17 pipeline solenoid valve 16 is set, on the dump pump III15 pipeline solenoid valve 14 is set; , be beneficial to effectively and the liquid level of sensitive control low temperature oil groove 1, high temperature oil groove 2 and temperature, pressure cyclic test oil groove 3 in conjunction with the flow of pump structure by central processing unit 39 control oil by solenoid valve, warranty test efficiently carries out smoothly.
In the present embodiment, described transporter is the running vehicle type structure; Simple to operation, be beneficial to layout.
Fig. 3 is second kind of embodiment structural representation of detection system, Fig. 4 for second kind of embodiment control principle of the present invention block diagram as shown in the figure, the difference of present embodiment and first kind of embodiment only is the concrete structure of fueller, in the present embodiment, oil storage tank 8a in the middle of described fueller comprises, oil storage tank 8a is that hermetically-sealed construction and installation site are lower than low temperature oil groove 1 and high temperature oil groove 2 in the middle of described, middle oil storage tank 8a is provided with pressurising pipeline 34 and blow-down pipe 35, middle oil storage tank 8a is communicated in low temperature oil groove 1 by pipe laying I 36, be communicated in high temperature oil groove 2 by pipe laying II37, described pressurising pipeline 34, blow-down pipe 35, pipe laying I 36 and pipe laying II37 are provided with the solenoid valve of being controlled by central processing unit 39 respectively, as shown in the figure, pressurising pipeline 34 is provided with solenoid valve 30, blow-down pipe 35 is provided with solenoid valve 31, pipe laying I 36 is provided with solenoid valve 22a, and pipe laying II37 is provided with solenoid valve 18a;
Described automatic control system also comprises:
Low temperature oil groove liquid level gauge 9 is used to gather the liquid level parameter of low temperature oil groove 1 and is delivered to central processing unit 39;
High temperature oil groove liquid level gauge 10 is used to gather the liquid level parameter of high temperature oil groove 2 and is delivered to central processing unit 39;
Present embodiment adopts simple pipeline to arrange, and simplified control system, low cost of manufacture, and be beneficial to the volume that reduces total system; Adopt by pressurising pipeline 34, blow-down pipe 35, pipe laying and in conjunction with solenoid valve, according to the test needs, the central processing unit output command signal is to solenoid valve 30 and unlatching, middle oil storage tank 8a pressurising, open solenoid valve 22a or solenoid valve 18a simultaneously, gear box oil enters low temperature oil groove 1 or high temperature oil groove 2, carries out corresponding test event; When the needs oil return, the central processing unit output command signal is to solenoid valve 30 and close, output command signal is to solenoid valve 31 simultaneously, middle oil storage tank 8a release, open solenoid valve 22a or solenoid valve 18a simultaneously, because middle oil storage tank 8a installation site is lower, utilize the law of connected vessels gear box oil to enter middle oil storage tank 8a by low temperature oil groove 1 or high temperature oil groove 2, finish oil return; The control of liquid level in the test process parameter control oil-feed and recirculating oil quantity that to be central processing unit 39 gathered according to low temperature oil groove liquid level gauge 9 and high temperature oil groove liquid level gauge 10 are realized; Parameters such as required time of each test event, temperature and pressure can be set and send control command and finish by central processing unit; This shows, compare with embodiment one to have the drive energy of saving and manufacturing cost, control is accurate flexibly, and makes the advantage of the layout relative compact of total system.
In the present embodiment, identical with embodiment one, also comprise temperature, pressure cyclic test oil groove 3 by the fueller fuel feeding; Temperature, pressure cyclic test oil groove heating arrangement 13 and temperature, pressure cyclic test oil sump temperature sensor 28 are set in the described temperature, pressure cyclic test oil groove 3, described temperature, pressure cyclic test oil sump temperature sensor 28 signals are transported to central processing unit 39, and central processing unit 39 command signals are transported to temperature, pressure cyclic test oil groove heating arrangement; Middle oil storage tank is communicated in temperature, pressure cyclic test oil groove 3 by pipe laying III, and described pipe laying III38 is provided with the solenoid valve 14a that controls by central processing unit 39;
Described automatic control system also comprises:
Temperature, pressure cyclic test oil groove liquid level gauge 12 is used for the liquid level parameter of collecting temperature pressure cycling test oil groove 3 and is delivered to central processing unit 39; The liquid level control principle is identical with high temperature oil groove 2 with low temperature oil groove 1.
Explanation is at last, 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 preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. automobile hydraulic automatic gearbox Control Component method for comprehensive detection is characterized in that: may further comprise the steps:
A. automatic transmission Control Component performance test: each solenoid valve to the automatic transmission Control Component detects;
B. automatic transmission Control Component thermal shock test:
B1 is soaked in temperature for soaking more than 0.1 hour in-40-0 ℃ the low temperature gear box oil medium with the automatic transmission Control Component;
It is to soak more than 0.1 hour in 80-200 ℃ the high temperature gear box oil medium that b2 is soaked in temperature with the automatic transmission Control Component;
B1 and b2 step carry out repeatedly that each solenoid valve to the automatic transmission Control Component detects more than b1 and the b2 step 15 time in no particular order;
C. automatic transmission Control Component soak test: it is in 80-200 ℃ the high temperature gear box oil more than 50 hours that the automatic transmission Control Component is soaked in temperature; Each solenoid valve to the automatic transmission Control Component after soaking detects;
D. automatic transmission Control Component pressure and temp cyclic test: the automatic transmission Control Component is soaked in the gear box oil, each solenoid valve to the automatic transmission Control Component is connected hydraulic system, adjust and change temperature, the pressure of hydraulic system and the flow of hydraulic system of gear box oil, adjust simultaneously and change the gear box oil oil level, each solenoid valve to the automatic transmission Control Component in the test detects;
Step b, c and d in no particular order, it is defective wherein to detect the defective automatic transmission Control Component that is of solenoid valve in the arbitrary step of a, b, c and d.
2. automobile hydraulic automatic gearbox Control Component method for comprehensive detection according to claim 1 is characterized in that: among the step b1, the temperature of low temperature gear box oil is-20 ℃, and soak time is 0.25 hour; Among the step b2, the temperature of high temperature gear box oil is 140 ℃, and soak time is 0.25 hour; Among the step c, the temperature of high temperature gear box oil is 140 ℃, and soak time is 253 hours; Among the step b, the number of times that carries out b1 and b2 step repeatedly is 92 times.
3. automobile hydraulic automatic gearbox Control Component method for comprehensive detection according to claim 1 and 2 is characterized in that: in the steps d, the intensification of gear box oil or cooling rate are 10 ℃/minute.
4. detection system that is used to realize the described automobile hydraulic automatic gearbox Control Component of claim 1 method for comprehensive detection is characterized in that: comprising:
The solenoid valve proving installation, the performance of solenoid valve under imposing a condition that is used to test the automatic transmission Control Component;
Mechanical system, the transporter that described mechanical system comprises low temperature oil groove, high temperature oil groove, fueller and is used for the automatic transmission Control Component is transported between low temperature oil groove and high temperature oil groove, be provided for the low temperature oil groove electricity heat sink of gear box oil cooling in the described low temperature oil groove, be provided for the high temperature oil groove electric heater unit that gear box oil heats up in the high temperature oil groove;
Hydraulic system is used to be connected in the solenoid valve of automatic transmission Control Component and provides fluid pressure and flow;
Electric-control system, be used to connect the automatic transmission Control Component solenoid valve control circuit and by control circuit solenoid valve is implemented control;
Automatic control system, described automatic control system comprises:
Low temperature oil sump temperature sensor is arranged at and is used to detect low temperature oil groove internal speed-changing case oil temperature in the low temperature oil groove;
High temperature oil groove temperature sensor is arranged at and is used to detect high temperature oil groove internal speed-changing case oil temperature in the high temperature oil groove;
Hydraulic system pressure sensor is arranged at hydraulic system and is used to detect the pressure that hydraulic system provides for the solenoid valve of automatic transmission Control Component;
The flow rate of hydraulic system sensor is arranged at hydraulic system and is used to detect the flow that hydraulic system provides for the solenoid valve of automatic transmission Control Component;
Central processing unit is used to receive low temperature oil sump temperature sensor, high temperature oil groove temperature sensor, hydraulic system pressure sensor and flow rate of hydraulic system sensor signal and gives an order to the control circuit of low temperature oil groove electricity heat sink, high temperature oil groove electric heater unit and hydraulic system.
5. detection system according to claim 4, it is characterized in that: oil storage tank in the middle of described fueller comprises, oil storage tank is communicated in the low temperature oil groove by fuel circulating pump I and dump pump I in the middle of described, be communicated in the high temperature oil groove by fuel circulating pump II and dump pump II, described fuel circulating pump I, dump pump I, fuel circulating pump II and dump pump II all control by central processing unit;
Described automatic control system also comprises:
Low temperature oil groove liquid level gauge is used to gather the liquid level parameter of low temperature oil groove and be delivered to central processing unit;
High temperature oil groove liquid level gauge is used to gather the liquid level parameter of high temperature oil groove and be delivered to central processing unit.
6. according to claim 4 or 5 described detection systems, it is characterized in that: also comprise temperature, pressure cyclic test oil groove by the fueller fuel feeding; Temperature, pressure cyclic test oil groove heating arrangement and temperature, pressure cyclic test oil sump temperature sensor are set in the described temperature, pressure cyclic test oil groove, described pressure cycling test oil tank heater is connected in described temperature, pressure cyclic test oil sump temperature sensor signal and transports to central processing unit, and the central processing unit command signal is transported to temperature, pressure cyclic test oil groove heating arrangement; Middle oil storage tank is communicated in temperature, pressure cyclic test oil groove by fuel circulating pump III and dump pump III, and described fuel circulating pump III and dump pump III all control by central processing unit;
Described automatic control system also comprises:
Temperature, pressure cyclic test oil groove liquid level gauge is used for the liquid level parameter of collecting temperature pressure cycling test oil groove and is delivered to central processing unit.
7. detection system according to claim 6 is characterized in that: described fuel circulating pump I, dump pump
On I, fuel circulating pump II, dump pump II, fuel circulating pump III and the dump pump III pipeline solenoid valve of controlling by central processing unit is set respectively.
8. detection system according to claim 4, it is characterized in that: oil storage tank in the middle of described fueller comprises, oil storage tank is that hermetically-sealed construction and installation site are lower than low temperature oil groove and high temperature oil groove in the middle of described, middle oil storage tank is provided with pressurising pipeline and blow-down pipe, middle oil storage tank is communicated in the low temperature oil groove by pipe laying I, be communicated in the high temperature oil groove by pipe laying II, described pressurising pipeline, blow-down pipe, pipe laying I and pipe laying II are provided with the solenoid valve of being controlled by central processing unit respectively;
Described automatic control system also comprises:
Low temperature oil groove liquid level gauge is used to gather the liquid level parameter of low temperature oil groove and be delivered to central processing unit;
High temperature oil groove liquid level gauge is used to gather the liquid level parameter of high temperature oil groove and be delivered to central processing unit.
9. detection system according to claim 8 is characterized in that: also comprise the temperature, pressure cyclic test oil groove by the fueller fuel feeding; Temperature, pressure cyclic test oil groove heating arrangement and temperature, pressure cyclic test oil sump temperature sensor are set in the described temperature, pressure cyclic test oil groove, described temperature, pressure cyclic test oil sump temperature sensor signal is transported to central processing unit, and the central processing unit command signal is transported to temperature, pressure cyclic test oil groove heating arrangement; Middle oil storage tank is communicated in temperature, pressure cyclic test oil groove by pipe laying III, and described pipe laying III is provided with the solenoid valve of controlling by central processing unit;
Described automatic control system also comprises:
Temperature, pressure cyclic test oil groove liquid level gauge is used for the liquid level parameter of collecting temperature pressure cycling test oil groove and is delivered to central processing unit.
10. detection system according to claim 4 is characterized in that: described transporter is the running vehicle type structure.
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| CN201010603684A CN102129247B (en) | 2010-12-23 | 2010-12-23 | Comprehensive detection method and detection system for automotive hydraulic automatic transmission control assembly |
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