CN102354168A - Electro-hydraulic control system of high/ low temperature test stand of automobile automation transmission valve body - Google Patents

Electro-hydraulic control system of high/ low temperature test stand of automobile automation transmission valve body Download PDF

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Publication number
CN102354168A
CN102354168A CN2011101772640A CN201110177264A CN102354168A CN 102354168 A CN102354168 A CN 102354168A CN 2011101772640 A CN2011101772640 A CN 2011101772640A CN 201110177264 A CN201110177264 A CN 201110177264A CN 102354168 A CN102354168 A CN 102354168A
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temperature
low temperature
oil
high temperature
valve
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CN102354168B (en
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文红举
斯红路
陈国利
莫凡
银联作
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Chongqing Qingshan Industry Co Ltd
Chongqing Tsingshan Industrial Co Ltd
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Chongqing Qingshan Industry Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses an electro-hydraulic control system of a high/low temperature test stand of an automobile automation transmission valve body. The system comprises: an electric control system and a high/low-temperature hydraulic system. The electric control system comprises: an upper computer, a lower computer, an input/output module and a transmission control unit (TCU) controller. The input/output module and the TCU controller are connected with the lower computer as a dual redundant control mode. The valve body to be detected is directly controlled by a dual redundant control system. The high/low-temperature hydraulic system comprises an independently controlled high-temperature hydraulic circuit and a low-temperature hydraulic circuit, a high/low-temperature shared circuit which is connected with the high-temperature hydraulic circuit and the low-temperature hydraulic circuit and a detected hydraulic system which is connected with the high/low-temperature shared circuit. The detected valve body is arranged in the detected hydraulic system. In the invention, hierarchical control formed by the upper computer, a lower real-time controller and real-time interface control are adopted; through a CAN communication and signal interface module and a dual redundant valve plate control scheme which is connected with the TCU, a requirement of high speed data acquisition and test in the valve body test under the condition of the high/low temperature and operation parameter simulation can be satisfied.

Description

A kind of electrohydraulic control system of automatic gearbox valve body thermocycling platform
Technical field
The present invention relates to the control system of component test platform, be specifically related to a kind of electrohydraulic control system of automatic gearbox valve body thermocycling platform.
Background technology
Core key part-valve body as automatic transmission; The realization of whole vehicle functions and the raising of performance are played crucial effects; It not only influences the rideability and the driver comfort of car load, and to significant impact is all arranged in efficient, reliability and serviceable life of car load.Therefore, extremely important to the test that the function and the performance of valve body are carried out system, its test findings is not only the foundation of improving valve body and solenoid valve design, also is the important foundation of automatic transmission Control Software exploitation.
It is bigger that the valve body performance is influenced by oily temperature; Automatic transmission valve body operating temperature range broad; Therefore need under different temperature, carry out performance test to valve body; But this also corresponding complexity and cost that has increased system, therefore conventional valve body performance test stand has usually been simplified pilot system, can only under normal temperature or not too high temperature, carry out conventional experiment to the valve body performance.
The control performance of the dynamic response article confrontation car load of valve body has material impact; Therefore in the performance test of valve body; Need be when pilot system be controlled; To correlation parameter carry out high frequency data acquisition, data and curve are shown in real time conventional industrial computer system based on WINDOWS can not satisfy the needs of control in real time and high-speed real-time collection simultaneously, and the test capability of valve body testing table is restricted.
In the process of the test of valve body; Also need make an experiment to valve body and control assembly; Through the call parameter and the signal of analog controller operation, controller is controlled and parameter acquisition, in the parameter environment of simulation to valve body with the dynamic response performance of research valve body under the setting situation; And existing testing table is mainly considered the test of valve body, has ignored the performance test demand of valve body under the parameter simulation condition that contains controller.
Authorized among patent of invention ZL200410020321.4 " automatic gearbox of vehicles application valve body testing table " and the utility model patent ZL200420029540.4 " automatic gearbox of vehicles application valve body testing table " and introduced a kind of automatic gearbox of vehicles application valve body testing table; Patent documentation shows; This testing table can not provide high low temperature oil pressure; The input flow rate of pilot valve body can not be regulated; On function, adopt the pressure simulation oil circuit of air throttle and the ratio pressure of the speed of a motor vehicle to simulate the gear shift control that oil circuit carries out valve body; Be a kind of easy mechanical hydraulic servo system, existing automatic transmission system has adopted complete automatically controlled sensor and electrohydraulic servo system, so this testing table does not possess under the high low temperature the make an experiment ability of test of existing conventional automatic speed transmission electrohydraulic servo-drive system.This system has adopted duplex gear pump; One of them pump is movable workbench hydraulic cylinder in the pilot valve body assembling and dissembling process, compress the die head hydraulic cylinder produces working pressure; And produced the main oil pressure of valve body test through reduction valve; But the reduction valve of this oil circuit can only be realized the decompression control of pressure, can not realize the adjusting to the pilot valve body test flow; Another pump passing ratio pressure regulator valve of system has produced the speed governing oil pressure; But in the hydrostatic control valve body of general full electronic automatic transmission; The gearshift strategy generally is the two parameters control based on the throttle and the speed of a motor vehicle; Throttle signal and GES are sensor and gather through gearbox controller TCU, and TCU carries out corresponding shift control according to selected control strategy, and the throttle signal of this patent is applied to through the throttle valve drive motor and produces the air throttle oil pressure on the operation valve; GES produces corresponding speed governing oil pressure through aforesaid ratio adjusting valve; The speed of a motor vehicle and throttle signal are not the automatically controlled systems of sensor, connect and be applied on the shift valve but convert air throttle oil pressure and governor oil straightening to, so the gear shift control rule can only realize through the mode of full mechanical-hydraulic; Also find this system temperature control method and imperfect through reading independent right, appurtenance and Fig. 4; This system only adds heat control through control heater; In conjunction with patent specification, the test oil temperature control is at 55 ± 5oC, and the performance of hydraulic system is very responsive to oil temperature parameter; The routine work temperature of hot machine state can reach 90 ~ 120 oC, and the extreme working temperature of cold post-start state can be lower than-35 oC.
Aspect control system, authorized the scheme that has adopted communication of Industrial Control Computer band and signaling interface among patent of invention ZL200410020321.4 " automatic gearbox of vehicles application valve body testing table " and the utility model patent ZL200420029540.4 " automatic gearbox of vehicles application valve body testing table "; Owing to adopted the multiple task operating system under the WINDOWS system; System real time is poor; Can not satisfy the demand of control in real time and HSDA simultaneously; Owing to be the valve plate of mechanical hydraulic servo system, also consider the test demand of band TCU controller, therefore the test temperature of valve body testing table is controlled accurately and pressure and other parameters is carried out real-time collection in wideer temperature range when requiring; Requirement is under the condition that under the analog parameter condition valve body of band TCU made a service test etc.; Then need carry out real-time design, the operational factor environment of TCU carried out signal imitation, to satisfy the needs of control in real time and high-speed real-time collection and monitoring simultaneously to control system.
Authorized among the utility model patent ZL 200820190245.5 " automatic gear-box application valve body test-bed " and introduced a kind of automatic gearbox of vehicles application valve body testing table; Find out that from patent documentation this valve body testing table does not have the function of valve body performance test under the high low temperature fully; Has only the simulation of the gear shift control and the engine speed of a motor vehicle simultaneously; Lack controls such as clutch, locking; Satisfied not the needs of the full electro-hydraulic control valve body test of modern automatic transmission: this testing table is with the first variable-frequency motor simulated engine rotating speed and drive oil pump, simulates the speed of a motor vehicle with second variable-frequency motor, and converts signals of rotational speed sensor to square-wave signal control two gearshift solenoid valves; This patent does not relate to the hydraulic system of valve body pilot system fully, does not relate to the control of oil temperature yet; Other adopts two motor speed sensor signals to drive the gearshift solenoid valve; Has only the engine speed simulation; There is not simulated engine throttle opening signal; Do not consider the transmission clutch solenoid control fully; And have only two solenoid valves gear shift control (except the gear shift control of automatic transmission such as other electric-controlled hydraulics AMT of CVT, DCT, AT all more than two valves), simultaneously except the gear shift control valve, also considered start clutch, converter lockout clutch coupling, select the solenoid control of shift quality etc.This testing table patent does not relate to electric-control system fully.
In sum; Existing valve body testing table all lacks the function and the corresponding control device of valve body performance test under high/low temperature condition; Shortage is to the real time high-speed data acquisition and the control of test system; Shortage is in the valve body performance test of giving under the TCU controller setup parameter dry run environment; In order the automatic transmission valve body to be carried out the real time high-speed data acquisition and the performance test in full working temperature zone, be necessary to design corresponding valve body high temperature performance testing table electrohydraulic control system, to satisfy under automatic transmission valve body thermocycling condition and the analog operational parameters condition HSDA and control test demand to pressure flow.
Summary of the invention
The object of the present invention is to provide a kind of electrohydraulic control system of automatic gearbox valve body thermocycling platform, it can satisfy under the full working temperature of the automatic transmission valve body zone and the collection of high-speed data and the needs that test detects under the analog operational parameters condition.
The present invention for realizing the technical scheme that above-mentioned purpose adopted is:
A kind of electrohydraulic control system of automatic transmission valve body thermocycling platform comprises electric control system and high low temperature hydraulic system, it is characterized in that:
(1) electric control system comprises host computer, slave computer, input/output module and TCU controller; Connect through netting twine between host computer and the slave computer and control; The input and output mould is connected with slave computer with the dual redundant control mode with the TCU controller; Tested valve body directly receives the control of this dual redundant control system, also comprises the warning device that is connected with input/output module; Said host computer comprises mouse, keyboard, main frame, display; Said slave computer comprises cabinet, AO1 simulation output, real-time processor, A/D analog to digital conversion, internal storage location, CAN communication module, AO2 simulation output, the input and output of DIO numeral;
(2) the high low temperature hydraulic system high temperature hydraulic circuit that comprises independent control and low temperature and pressure oil circuit, the shared oil circuit of high low temperature that is connected with the low temperature hydraulic oil road with the high temperature hydraulic circuit; With the test solution pressing system that the shared oil circuit of high low temperature is connected, tested valve body is located in the test solution pressing system; High low temperature HYDRAULIC CONTROL SYSTEM signal is connected with slave computer through input/output module.
High-temperature pump servomotor controller, cryopump servomotor controller, high temperature proportional solenoid valve control device, low temperature proportional solenoid valve control device, intelligent triac controller, resistor-type temperature signal regulation module, flow displaying instrument, PWM modulator and power amplifier that the electrohydraulic control system of described a kind of automatic transmission valve body thermocycling platform, its said input/output module comprise terminal box, are connected with terminal box.
The electrohydraulic control system of described a kind of automatic transmission valve body thermocycling platform, its said high temperature hydraulic circuit comprise that an end gets into the high temperature flowline through high temperature fuel tank, oil-feed stop valve, oil suction filtrator, high temperature gear pump, high temperature hydraulic pressure fine filter, high temperature hydropneumatic ball valve; One end is through high temperature flowline, high temperature hydropneumatic ball valve, and through high temperature proportion magnetic valve and high temperature deadweight safety valve, gets back to the high temperature fuel tank through the high temperature oil returning tube.Be connected with the high temperature ball valve of draining the oil with the high temperature fuel tank; Be located at high temperature fuel tank heater and cooling refrigeratory in the high temperature fuel tank; The high-temperature water cooling solenoid valve and the cooling water filter that are connected with the cooling refrigeratory; One end stretches into high temperature oil oven temperature, degree sensor, high-temperature systems level switch, high temperature tank gauge, high temperature fuel tank air cleaner and the high temperature oil box mixer in the high temperature fuel tank, the high temperature oil circuit motor coupler and the high-temperature pump servomotor that also comprise the high-temperature pipe tensimeter that is located on the high temperature flowline, be connected with high temperature gear pump; High-temperature pump servomotor and high-temperature pump servomotor scrambler are connected with high-temperature pump servomotor controller in the input/output module; The high temperature proportion magnetic valve is connected with high temperature proportional solenoid valve control device in the input/output module; The high temperature fuel tank heater is connected with intelligent triac controller in the input/output module; High temperature oil oven temperature, degree sensor is connected with resistor-type temperature signal regulation module in the input/output module and is connected with the TCU controller simultaneously; The heater surfaces temperature sensor is connected with terminal box in the input/output module, and the high-temperature systems level switch is connected with terminal box in the input/output module.
The electrohydraulic control system of described a kind of automatic transmission valve body thermocycling platform; Its said low temperature hydraulic oil road comprises that an end gets into the low temperature flowline through low temperature fuel tank, low temperature fuel sucking pipe, low temperature gear-type pump, warm hydraulic pressure fine filter, low temperature hydropneumatic ball valve, and an end is got back to the low temperature fuel tank through low temperature flowline, low temperature hydropneumatic ball valve and through low temperature proportion magnetic valve, low temperature deadweight safety valve through the low temperature oil returning tube.The low temperature that is connected with the low temperature fuel tank ball valve of draining the oil; One end stretches into low temperature fuel tank temperature sensor, cryogenic system level switch, low temperature fuel tank air cleaner, low temperature tank gauge and the low temperature fuel tank stirrer in the low temperature fuel tank, the low temperature oil circuit motor coupler and the cryopump servomotor that also comprise the cryogenic piping tensimeter that is located on the low temperature flowline, be connected with the low temperature gear-type pump; Cryopump servomotor and cryopump servomotor scrambler are connected with cryopump servomotor controller in the input/output module; The low temperature proportion magnetic valve is connected with low temperature proportional solenoid valve control device in the input/output module; Low temperature fuel tank temperature sensor is connected with resistor-type temperature signal regulation module in the input/output module and is connected with controller TCU simultaneously, and the cryogenic system level switch is connected with terminal box in the input/output module.
The electrohydraulic control system of described a kind of automatic transmission valve body thermocycling platform; The shared oil circuit of its said high low temperature comprises the main inflow pipeline that is connected with the low temperature flowline through tee pipe fitting and high temperature flowline; The working connection flow speed control valve that is connected with main inflow pipeline, the four-way pipe fitting that first end is connected with the working connection flow speed control valve; The accumulation of energy oil line pipe and accumulator stop valve and the accumulator that are connected with four-way pipe fitting second end; The tested valve body inflow pipeline that is connected with four-way pipe fitting the 3rd end and establish inflow pipeline flowmeter, inflow pipeline tensimeter, inflow pipeline temperature sensor, inflow pipeline pressure transducer and hydraulic quick coupler above that; The bypass flow that is connected with four-way pipe fitting the 4th end is regulated pipeline, and bypass flow is regulated pipeline through establishing above that bypass ball valve, bypass from flow speed control valve, and oil returning tube flowmeter, hydraulic quick coupler and oil returning tube pressure transducer are connected with tested valve body oil returning tube; Be located at bypass flow regulate on the pipeline bypass from an end of the four-way pipe fitting between flow speed control valve and the oil returning tube flowmeter through the valve body high temperature oil circuit oil returning tube that is provided with high temperature oil circuit oil return solenoid valve be connected with the high temperature oil returning tube, the other end is connected with the low temperature oil returning tube through the valve body low temperature oil circuit oil returning tube that is provided with low temperature oil circuit oil return solenoid valve; The inflow pipeline temperature sensor is connected with resistor-type temperature signal regulation module in the input/output module and is connected with controller TCU simultaneously; Inflow pipeline flowmeter and oil returning tube flowmeter respectively with input/output module in flow displaying instrument be connected, inflow pipeline pressure transducer and oil returning tube pressure transducer respectively with input/output module in terminal box be connected.
The electrohydraulic control system of described a kind of automatic transmission valve body thermocycling platform; Its said test solution pressing system comprise with the shared oil circuit of high low temperature in the tested valve body that is connected with tested valve body oil returning tube of tested valve body inflow pipeline, the strange clutch coupling that docks with tested valve body oil circuit through hydraulic quick coupler respectively; Idol clutch coupling, clutch lubrication oil circuit, axle are lubricant passage way, are located at pressure transducer on each oil circuit respectively: strange clutch pressure sensor; Idol clutch pressure sensor; Strange clutch lubrication pressure sensor; Idol clutch lubrication pressure sensor; Axle is the lubrication pressure sensor, be located at clutch lubrication oil circuit and axle respectively is that the strange clutch lubrication flow meter on the lubricant passage way, even clutch lubrication flow meter, axle are the lubrication flow meter; Be located at the throttling valve on the strange clutch lubricant passage way, the throttling valve on the even clutch lubricant passage way; Be located at axle and be fluid refrigeratory on the lubricant passage way and be located at respectively that oil temperature sensor is that lubricant passage way exports corresponding oil return pallet with cooling back oil temperature sensor, with clutch lubrication oil circuit and axle before the cooling before and after the fluid refrigeratory, the oil return pallet is connected with the high temperature oil returning tube through the high temperature pallet oil returning tube that is provided with high temperature pallet oil return solenoid valve, and is connected with the low temperature oil returning tube through the low temperature pallet oil returning tube that is provided with low temperature pallet oil return solenoid valve.
The electrohydraulic control system of described a kind of automatic transmission valve body thermocycling platform, the low temperature fuel tank on its said low temperature hydraulic oil road is located in the industrial refrigerator; And the break-make of the low temperature stirring motor auxiliary reclay through control industrial refrigerator motor auxiliary reclay and low temperature fuel tank stirrer, realize the warm control of low temperature fuel tank oil.
The host computer of electric control system mainly is responsible for the setting of parameter and the human-computer interaction interfaces such as demonstration of curve; Slave computer is mainly realized fast data processing and controlled in real-time, the signal imitation of TCU operational factor and pumping plant servomotor state, test oil temperature, flow, pressure signal monitoring etc.
Through control to the servomotor rotating speed in the high and low temperature hydraulic circuit; Can realize simulation to the different input flow rates of valve body; The safety overflow valve and the proportional pressure valve that adapt to high temperature or low temperature are arranged respectively on the high and low hydraulic pressure temperature oil circuit; Can under high/low temperature condition, realize the pressure of hydraulic system is set and protection, in the time of also can being implemented in independently pilot solenoid valve, a controlled input pressure is provided to pet valve.
The high temperature hydraulic circuit is through well heater and control of recirculated cooling water road and fuel tank oil stirring system, with the setting test temperature of oily temperature control between normal temperature to high-temperature region of high temperature fuel tank; The low temperature hydraulic oil road through the control of industrial refrigerator refrigeration unit and fuel tank oil stirring system with the oily temperature control of low temperature fuel tank setting test temperature at normal temperature to low-temperature range.In order to ensure the cold control effect of low temperature, suitably strengthen the fuel tank volume, strengthen the freezing power of the assembling unit and reduce the oil pipe delivered length, and increase provision for thermal insulation at positions such as oil pipe, fuel tanks.
In the shared oil circuit of high low temperature, be provided with pressure, temperature, flow sensor; In order to be implemented under the extreme operating conditions such as low temperature, low discharge to the control of valve plate or valve input flow rate, in working connection, adopted two flow speed control valves, one of them main flow speed control valve is connected in the working connection; Back at this main flow speed control valve; Parallelly connected with the tested valve system, connect flow speed control valve No. one time through a switching ball, secondary flow speed control valve oil-out oil sump tank.When the off switch ball valve, through the accumulator on main flow speed control valve and the working connection, the input flow rate that can effectively control tested valve plate is constant; When opening switching ball, through controlling main flow speed control valve and secondary flow speed control valve, in conjunction with the accumulator on the working connection, also can be under test conditions such as low discharge or low temperature constant flow-controllable of given pilot valve body.
Tested valve body connects real clutch coupling, heating radiator even load; At each clutch pressure of tested valve body, lubricated; Also be connected to pressure, temperature, flow sensor on the output circuits such as system cools respectively, so that the serviceability of tested valve body is detected.
Beneficial effect of the present invention: the hierarchical control of adopting host computer and the next real-time controller to constitute; With control of employing real-time interface and the dual redundant valve plate controlling schemes that links to each other with TCU through CAN communication and Signal interface module; Through control to high low temperature hydraulic circuit flow, pressure and temperature; The requirement that valve body under high/low temperature condition and the operational factor simulated conditions is tested high speed data acquisition and test has been satisfied in TCU operating parameter signal simulation and control; The relative existed system of technical scheme involved in the present invention, compact conformation, real-time is good, has improved test adaptability, convenience and security through redundant and interlocking control.
Description of drawings
Fig. 1 is the structural representation of automatic gearbox valve body thermocycling platform;
Fig. 2 is a control topology diagram of the present invention;
Fig. 3 is the control principle figure of high temperature hydraulic circuit.;
Fig. 4 is a high and low temperature servomotor interlocking control circuit schematic diagram.;
Fig. 5 is a high temperature fuel tank heating and temperature control schematic diagram.;
Fig. 6 gathers and control principle figure for the tested valve volume data.;
Fig. 7 is high low temperature hydraulic system principle figure;
Fig. 8 is a high and low temperature hydraulic circuit interlocking control circuit schematic diagram;
Among the figure: 1-is a switch board, and 2-is a power supply box, and 3-is a test cabin, and 4-is a valve plate; 5-is the mist of oil gatherer, and 6-is tested valve body, and 7-is a tensimeter, and 7a-is the high-temperature pipe tensimeter; 7b-is the cryogenic piping tensimeter, and 7c-is the inflow pipeline tensimeter, and 8-is a low temperature pallet oil returning tube; 9-is a low temperature oil circuit oil returning tube, and 10a-is the high temperature oil box mixer, and 10b-is a low temperature fuel tank stirrer;
11-is industrial refrigerator, and 12-is the low temperature fuel tank, and 13-is the low temperature fuel sucking pipe, and 14-is the low temperature gear-type pump; 15a-is the high-temperature pump servomotor, and 15b-is the cryopump servomotor, and 16a-is the high temperature proportion magnetic valve, and 16b-is the low temperature proportion magnetic valve; 17a-is the high temperature deadweight safety valve, and 17b-is the low temperature deadweight safety valve, and 18-is the working connection flow speed control valve; 19-is the high temperature hydraulic power unit, and 20a-is the high temperature ball valve of draining the oil, and 20b-is the low temperature ball valve of draining the oil;
21-is the cooling refrigeratory, and 22a-is the high temperature tank gauge, and 22b-is low temperature tank gauge 22b; 23-is the high temperature fuel tank, and 24-is the high temperature fuel tank heater, and 25-is the oil-feed stop valve; 26-is the oil suction filtrator, and 27-is a high temperature gear pump, and 28a-is a high temperature hydraulic pressure fine filter; 28b-is a low temperature hydraulic pressure fine filter, and 29a-is a high temperature hydropneumatic ball valve, and 29b-is a low temperature hydropneumatic ball valve;
31a-is a high temperature fuel tank air cleaner, 31b-low temperature fuel tank air cleaner, and 32a-is the high-temperature systems level switch; 32b-is the cryogenic system level switch, and 33a-is a high temperature oil oven temperature, degree sensor, and 33b-is a low temperature fuel tank temperature sensor; 33c-is the inflow pipeline temperature sensor, and 33d-is the preceding oil temperature sensor of cooling, and 33e-is cooling back oil temperature sensor; 34-is the high-temperature water cooling solenoid valve, and 35-is a cooling water filter, and 37-is the accumulator stop valve; 38-is and accumulator, and 39a-is the inflow pipeline flowmeter, and 39b-is the oil returning tube flowmeter; 39c-is strange clutch lubrication flow meter, and 39d-is even clutch lubrication flow meter, and 39e-is the lubrication flow meter for axle;
40-is a pressure transducer for gearshift cylinder piston displacement sensor 41-, and 41a-inflow pipeline pressure transducer, 41b-are strange clutch pressure sensor, and 41c-is even clutch pressure sensor; 41d-is strange clutch lubrication pressure sensor, and 41e-is even clutch lubrication pressure sensor, and 41f-is the lubrication pressure sensor for axle, and 41g-is the oil returning tube pressure transducer; 42-is the bypass ball valve, 43-be bypass from flow speed control valve, 44A-is a high temperature pallet oil return solenoid valve; 44B-is a low temperature pallet oil return solenoid valve, and 44a-is a high temperature oil circuit oil return solenoid valve, and 44b-is low temperature oil circuit oil return solenoid valve 44b; 45-is a hydraulic quick coupler, and 46-is the fluid refrigeratory, and 47a-is the throttling valve on the strange clutch lubricant passage way; 47b-is the throttling valve on the even clutch lubricant passage way, and 48b-is even clutch coupling, and 49-is the oil return pallet;
50a-is a high temperature oil circuit motor coupler, and 50b-is a low temperature oil circuit motor coupler;
60-is a high-temperature pump servomotor scrambler, and 61-is a cryopump servomotor scrambler, and 62-is the heater surfaces temperature sensor; 63-is a high temperature oil suction filter screen alarm switch, and 64-is a high temperature pressure filter screen alarm switch, and 65-is a low-temperature pressure filter screen alarm switch; 66-is a high-temperature stirring motor heat relay; 67-is a low temperature stirring motor electrothermal relay, and 68-is that 65-is industrial thermoacoustic refrigerator relay, and 69-is a mist of oil gatherer motor relay;
70-is a high-temperature systems chilled water filtration and warning switch, and 71-is a high-temperature stirring motor auxiliary reclay, and 72-is a low temperature stirring motor auxiliary reclay; 73-is a mist of oil gatherer motor auxiliary reclay; 74-is a high-temperature pump servomotor auxiliary reclay, and 75-is a cryopump servomotor auxiliary reclay, and 76-is the well heater auxiliary reclay; 77-is industrial refrigerator motor auxiliary reclay, and 79-is a warning device;
80-is a high temperature oil way solenoid valve normally opened relay; 81-is the high-temperature water cooling solenoid relay valve, and 82-is a low temperature oil circuit solenoid valve normally opened relay, and 83-is a bypass speed governing oil circuit ball valve relay; 84-is the normally closed interlock relay of high temperature oil way solenoid valve; 85-is the normally closed interlock relay of low temperature oil circuit solenoid valve, and 86-is the normally closed interlock relay of high-temperature pump servomotor, and 87-is the normally closed interlock relay of cryopump servomotor;
101-is a high temperature servomotor contactor, and 102-is a low temperature servomotor contactor, and 103-is a well heater thyristor contactor;
120-is the 12V Switching Power Supply, and 121-is the 24V Switching Power Supply;
130-master's pressure-controlled solenoid valve, 131-is lubricated control electromagnetic valve, the 132-first switch control electromagnetic valve, 133-is strange Clutch Control solenoid valve, and 134-is the second switch control electromagnetic valve, and 135-is even Clutch Control solenoid valve;
201-is the high temperature flowline, and 202-is the low temperature flowline, and 203-is that bypass flow is regulated pipeline; 204-is a high temperature oil circuit oil returning tube, and 205-is main inflow pipeline, and 206-is tested valve body inflow pipeline; 207-is tested valve body oil returning tube, and 208-is the accumulation of energy oil line pipe, and 209-is a high temperature pallet oil returning tube; 210-is the high temperature oil returning tube, and 211-is the low temperature oil returning tube;
401-is a host computer, and 402-is a slave computer, and 403-is an input/output module, and 410-is a netting twine; 411-is a mouse, and 412-is a keyboard, and 413-is a main frame, and 414-is a display; 415-is a cabinet, and 416-is AO2 simulation output, and 417-is a real-time processor; 418-is the A/D analog to digital conversion, and 419-is an internal storage location, and 420-is the CAN communication module;
421-is AO2 simulation output, and 422-is the input and output of DIO numeral, and 423-is a terminal box, and 424-is a controller; 425-resistor-type temperature signal regulation module, 426-is a flow displaying instrument, 427-is the high-temperature pump servomotor controller; 428-is the control of cryopump servomotor, and 429-is a high temperature proportional solenoid valve control device, and 430-is a low temperature proportional solenoid valve control device; 431-is intelligent triac controller, and 432-is the PWM modulator, and 433-is a power amplifier;
500-is the shared oil circuit of high low temperature, and 520-is the low temperature hydraulic oil road, and 510-is the high temperature hydraulic circuit, 530-test solution pressing system.
Embodiment
Below in conjunction with accompanying drawing implementation process of the present invention is done further to set forth.
Referring to Fig. 1 and a kind of automatic transmission valve body thermocycling platform shown in Figure 7; Comprise switch board 1; Power supply box 2; Be located at test cabin 3, high and low temperature proportion magnetic valve 16a, 16b, high low temperature deadweight safety valve 17a above the high temperature hydraulic power unit 19; 17b and working connection flow speed control valve 18 are located at tested valve body 6 and valve plate 4 in the test cabin 3, are located at mist of oil gatherer 5 and tensimeter 7 (comprising high-temperature pipe tensimeter 7a, cryogenic piping tensimeter 7b, inflow pipeline tensimeter 7c) on the test cabin 3 of cryogenic system fuel tank; Also comprise low temperature fuel tank 12 and industrial refrigerator 11, be located at the low temperature fuel tank stirrer 10b on the cryogenic system fuel tank; Low temperature fuel tank 12 is connected with high temperature hydraulic power unit 19 through the low temperature gear-type pump 14 that low temperature fuel sucking pipe 13 warps are connected with cryopump servomotor 15b, and low temperature fuel tank 12 also is connected with high temperature hydraulic power unit 19 with low temperature oil circuit oil returning tube 9 through low temperature pallet oil returning tube 8;
The high temperature hydraulic power unit 19 of test cabin 3 bottoms is provided with high temperature hydraulic circuit 510 and the shared oil circuit 500 of high low temperature, and the shared oil circuit of high low temperature is connected with the tested valve body 6 of test solution pressing system 530, realizes the control to high temperature hydraulic circuit part;
The next door of test cabin 3 is provided with and comprises low temperature pallet oil returning tube 8; Low temperature oil circuit oil returning tube 9, low temperature fuel tank stirrer 10b, industrial refrigerator 11; Low temperature fuel tank 12; Low temperature fuel sucking pipe 13, the control to the low temperature hydraulic oil road is realized on the low temperature hydraulic oil road 520 of low temperature gear-type pump 14 and cryopump servomotor 15b;
The power supply box 2 main control power supply of placing high and low temperature pump servomotor 15a, 15b, UPS uninterrupted power source and the probe powers concentrated.
This testing table can satisfy the controlled demand of temperature, pressure and flow of high low temperature hydraulic system, can test the high temperature performance of various automatic transmission valve bodies.
Electrohydraulic control system referring to Fig. 2 and a kind of automatic transmission valve body thermocycling platform shown in Figure 7 comprises electric control system and high low temperature hydraulic system;
(1) electric control system comprises host computer 401, slave computer 402, input/output module 403 and TCU (Transmission control Unit) controller 424; Connect through netting twine 410 between host computer and the slave computer and control; Input/output module 403 is connected with controll plant with the dual redundant control system that TCU controller 424 constitutes; Be used for make an experiment flow, test temperature, test pressure and oil circuit of automatic gearbox valve body thermocycling platform switched the control with interlocking, tested valve body 6 directly receives the control of this heavy redundancy control system; Also comprise the warning device 79 that is connected with input/output module 403;
Said host computer 401 comprises mouse 411, keyboard 412, main frame 413, display 414, and its effect is to realize graphical data processing and man-machine manipulation interface;
Said slave computer 402 comprises cabinet 415, AO1 simulation output 416, real-time processor 417, A/D analog to digital conversion 418, internal storage location 419, CAN communication module 420, AO2 simulation output 421, the input and output 422 of DIO numeral, and its effect is input and output and the control that realizes signal such as simulation, digital quantity and instruction;
(2) the high low temperature hydraulic system high temperature hydraulic circuit 510 that comprises independent control and low temperature hydraulic oil road 520, the shared oil circuit 500 of high low temperature that is connected with the low temperature hydraulic oil road with the high temperature hydraulic circuit; With the test solution pressing system 530 that the shared oil circuit of high low temperature is connected, tested valve body 6 is located in the test solution pressing system; High low temperature hydraulic system is connected with slave computer 402 through input/output module 403.
High-temperature pump servomotor controller 427, cryopump servomotor controller 428, high temperature proportional solenoid valve control device 429, low temperature proportional solenoid valve control device 430, intelligent triac controller 431, resistor-type temperature signal regulation module 425, flow displaying instrument 426, PWM modulator 432 and power amplifier 433 that said input/output module 403 comprises terminal box 423, is connected with terminal box.
Input/output module 403 realizes the connection and the control of signal; Wherein set the control that high-temperature pump servomotor controller 427 is realized high-temperature pump servomotor 15a according to the adjusting of the real-time processor 417 of slave computer 402; The control that cryopump servomotor controller 428 is realized cryopump servomotor 15b; High temperature proportional solenoid valve control device 429 is realized the pressure of high temperature gear pump 27 endpiece in the high temperature hydraulic circuit 510 is regulated continuously and controlled; Low temperature proportional solenoid valve control device 430 is realized the pressure of low temperature gear-type pump 14 endpiece in the low temperature hydraulic oil road 520 is regulated continuously and controlled; Intelligence triac controller 431 is realized high temperature fuel tank heater 24 is controlled.
Terminal box 423 links to each other with the AO1 simulation output 416 of slave computer 402; The control simulating signal of real-time controller is passed through high-temperature pump servomotor controller 427, cryopump servomotor controller 428, high temperature proportional solenoid valve control device 429, low temperature proportional solenoid valve control device 430 and intelligent triac controller 431 respectively, and realization is controlled, is realized pressure control, the realization of high temperature proportion magnetic valve (making surplus valve uses) 16a and low temperature proportion magnetic valve (making surplus valve uses) 16b are controlled the temperature of high temperature fuel tank heater 24 rotating speed of high-temperature pump servomotor 15a and cryopump servomotor 15b.
TCU controller 424 is most crucial parts of automatic transmission valve body electrohydraulic control system, and main data acquisition and the control that realizes tested valve body 6 is with driving and the performance requirement that satisfies car load.TCU controller 424 is through AO2 simulation output 421, and the input and output 422 of DIO numeral link to each other with slave computer 402 real-time controllers with CAN communication module 420, to realize simulation and the control to the TCU operational factor; The output of the AO2 of slave computer 402 real-time controllers simulation simultaneously 421; Link to each other with PWM modulator 432 through terminal box 423, can be to the solenoid valve in the tested valve body 6 (main pressure-controlled solenoid valve 130, lubricated control electromagnetic valve 131; The first switch control electromagnetic valve 132; Strange Clutch Control solenoid valve 133, second switch control electromagnetic valve 134, even Clutch Control solenoid valve 135) carry out direct drive controlling; Also can drive and control through the solenoid valve in 424 pairs of tested valve bodies 6 of TCU controller; Shift signal and pressure transducer 41 that the temperature signal that oil temperature sensor 33d, cooling back oil temperature sensor 33e measure before the cooling in the tested valve body 6, gearshift cylinder piston displacement sensor 40 are measured: inflow pipeline pressure transducer 41a, strange clutch pressure sensor 41b, even clutch pressure sensor 41c; Strange clutch lubrication pressure sensor 41d; Idol clutch lubrication pressure sensor 41e, axle is that the pressure signal that lubrication pressure sensor 41f measures links to each other with the A/D analog to digital conversion 418 of slave computer 402 real-time controllers through terminal box 423, or directly links to each other with TCU424.The control of tested valve body 6 has adopted slave computer 402 attached input/output module (A/D analog to digital conversion 418, AO2 simulation output 421), PWM modulators 432 directly to link to each other with tested valve body 6; Or pass through to adopt slave computer 402 attached AO2 simulation output 421, DIO numeral input and output 422 and CAN communication modules 420 to be connected control mode with the TCU controller 424 continuous dual redundants that link to each other with tested valve body 6 again; Its use is: in the tested valve body 6 control performances test of routine; Can adopt direct connection control mode; Can simplify control mode, the performance under, the simple operation operating mode 6 isolated to tested valve body is tested; And when adopting TCU controller 424 to connect; Break off the PWM control output of integrated circuit board 421 simultaneously; Input signal with AO2 simulation output 421, DIO numeral input and output 422 and CAN communication module 420 simulation TCU controllers 424; Can simulate tested valve body 6 working conditions under the actual motion condition,, also can carry out the performance simulation test the ripe automatic transmission valve body product of unknown performance and control strategy so that the dynamic property of tested valve body 6 under the simulation actual condition tested.
Said slave computer 402 is connected with tested valve body 6 through input/output module 403 through A/D analog to digital conversion 418, AO2 simulation output 421, and A/D analog to digital conversion 418 is used for gathering oil temperature sensor 33d before the cooling of tested valve body 6, cooling back oil temperature sensor 33e, gearshift cylinder piston displacement 40 and pressure 41 signals: inflow pipeline pressure transducer 41a, strange clutch pressure sensor 41b, even clutch pressure sensor 41c, very clutch lubrication pressure sensor 41d, even clutch lubrication pressure sensor 41e, spool be lubrication pressure sensor 41f; Slave computer 402 is according to certain demand for control, through AO2 simulation output 421 output control signals.
In the mode that the said TCU controller that is located at the dual redundant control system between slave computer 402 and the tested valve body 6 is controlled; Slave computer 402 links to each other with TCU controller 424 through AO2 simulation output 421, the input and output 422 of DIO numeral, CAN communication module 420; Simulating signals such as AO2 simulation output 421 simulation accelerated pedal positions are exported to TCU controller 424; Signals such as DIO numeral input and output 422 simulation rotating speeds, the speed of a motor vehicle, shift switch are given TCU controller 424; With the switching value input slave computer 402 of TCU controller 424 outputs, CAN communication module 420 is simulated the information and instruction with 424 communications of TCU controller simultaneously.
Said slave computer 402 has been simulated the controlled variable environment of TCU controller 424 operations; Temperature, gearshift cylinder piston displacement, the signal of pressure and controlled variable and the signal of slave computer 402 simulations of TCU controller 424 through gathering tested valve body 6; The working condition of the tested valve body 6 under the dry run condition drives and controls the solenoid valve in the tested valve body.
The high temperature hydraulic circuit 510 of said high low temperature hydraulic system comprises that an end gets into high temperature flowline 201 through high temperature fuel tank 23, oil-feed stop valve 25, oil suction filtrator 26, high temperature gear pump 27, high temperature hydraulic pressure fine filter 28a, high temperature hydropneumatic ball valve 29a; One end is through high temperature flowline 201, high temperature hydropneumatic ball valve 29a, and through high temperature proportion magnetic valve 16a and high temperature deadweight safety valve 17a, gets back to high temperature fuel tank 23 through high temperature oil returning tube 210.Be connected with the high temperature ball valve 20a that drains the oil with high temperature fuel tank 23; Be located at high temperature fuel tank heater 24 and cooling refrigeratory 21 in the high temperature fuel tank; The high-temperature water cooling solenoid valve 34 and the cooling water filter 35 that are connected with cooling refrigeratory 21; One end stretches into high temperature oil oven temperature, degree sensor 33a, high-temperature systems level switch 32a, high temperature tank gauge 22a, high temperature fuel tank air cleaner 31a and the high temperature oil box mixer 10a in the high temperature fuel tank, the high temperature oil circuit motor coupler 50a and the high-temperature pump servomotor 15a that also comprise the high-temperature pipe tensimeter 7a that is located on the high temperature flowline 201, be connected with high temperature gear pump 27; High-temperature pump servomotor 15a and high-temperature pump servomotor scrambler 60 are connected with high-temperature pump servomotor controller 427 in the input/output module 403; High temperature proportion magnetic valve 16a is connected with high temperature proportional solenoid valve control device 429 in the input/output module 403; High temperature fuel tank heater 24 is connected with intelligent triac controller 431 in the input/output module 403; High temperature oil oven temperature, degree sensor 33a is connected with resistor-type temperature signal regulation module 425 in the input/output module 403 and is connected with TCU controller 424 simultaneously; Heater surfaces temperature sensor 62 is connected with terminal box 423 in the input/output module 403, and high-temperature systems level switch 32a is connected with terminal box 423 in the input/output module 403.
High-temperature pump servomotor 15a drives high temperature gear pump 27 through high temperature oil circuit motor coupler 50a; With the oil in the high temperature fuel tank 23 of double-layer heat insulation through oil-feed stop valve 25; Oil suction filtrator 26 sucks high temperature gear pump 27; Cross-over connection has high temperature proportion magnetic valve 16a between the endpiece of high temperature gear pump 27 and the high temperature oil returning tube 210; High temperature deadweight safety valve 17a can realize adjusting and safeguard protection to high temperature hydraulic circuit 510 output pressures, and the pressure oil of high temperature gear pump 27 outputs is regulated through excess pressure; Through high temperature hydraulic pressure fine filter 28a, high temperature hydropneumatic ball valve 29a, high temperature flowline 201, the high temperature hydraulic oil of test-filtration, temperature and pressure demand is satisfied in output again.Accomplish the hydraulic oil of test; A part gets into high temperature pallet oil returning tube 209 through oil return pallet 49 with high temperature pallet oil return solenoid valve 44A; A part gets into high temperature oil circuit oil returning tube 204 through high temperature oil circuit oil return solenoid valve 44a; Hydraulic oil in high temperature pallet oil returning tube 209 and the high temperature oil circuit oil returning tube 204 finally is flowed to high temperature oil returning tube 210, and returns high temperature fuel tank 23.
The motor speed signal that high-temperature pump servomotor scrambler 60 is measured is through high-temperature pump servomotor controller 427 theretos 423; The motor speed signal that cryopump servomotor scrambler 61 is measured is through cryopump servomotor controller 428 theretos 423; Shift signal and pressure transducer 41 together with 40 measurements of gearshift cylinder piston displacement sensor: inflow pipeline pressure transducer 41a; Strange clutch pressure sensor 41b, even clutch pressure sensor 41c, strange clutch lubrication pressure sensor 41d; Idol clutch lubrication pressure sensor 41e; Axle is lubrication pressure sensor 41f, the pressure signal that oil returning tube pressure transducer 41g measures, and the temperature signal that heater surfaces temperature sensor 62 is measured is thereto 423 together; And finally insert the A/D analog to digital conversion 418 of slave computer 402 real-time controllers, realize input collection to testing table sensor signal analog quantity.
The low temperature hydraulic oil road 520 of said high low temperature hydraulic system comprises that an end gets into low temperature flowline 202, one ends through low temperature fuel tank 12, low temperature fuel sucking pipe 13, low temperature gear-type pump 14, low temperature hydraulic pressure fine filter 28b, low temperature hydropneumatic ball valve 29b and gets back to low temperature fuel tank 12 through low temperature flowline 202, low temperature hydropneumatic ball valve 29b and through low temperature proportion magnetic valve 16b, low temperature deadweight safety valve 17b through low temperature oil returning tube 211.The low temperature that is connected with the low temperature fuel tank 12 ball valve 20b that drains the oil; One end stretches into low temperature fuel tank temperature sensor 33b, cryogenic system level switch 32b, low temperature fuel tank air cleaner 31b, low temperature tank gauge 22b and the low temperature fuel tank stirrer 10b in the low temperature fuel tank 12, the low temperature oil circuit motor coupler 50b and the cryopump servomotor 15b that also comprise the cryogenic piping tensimeter 7b that is located on the low temperature flowline 202, be connected with low temperature gear-type pump 14; Cryopump servomotor 15b and cryopump servomotor scrambler 61 are connected with cryopump servomotor controller 428 in the input/output module 403; Low temperature proportion magnetic valve 16b is connected with low temperature proportional solenoid valve control device 430 in the input/output module 403; Low temperature fuel tank temperature sensor 33b is connected with resistor-type temperature signal regulation module 425 in the input/output module 403 and is connected with TCU controller 424 simultaneously, and cryogenic system level switch 32b is connected with terminal box 423 in the input/output module 403.
Cryopump servomotor 15b drives low temperature gear-type pump 14 through low temperature oil circuit motor coupler 50b; Hydraulic oil in the low temperature fuel tank 12 is sucked low temperature gear-type pump 14; Cross-over connection has low temperature proportion magnetic valve 16b and low temperature deadweight safety valve 17b between the endpiece of low temperature gear-type pump 14 and the low temperature oil returning tube 211; Can realize low temperature gear-type pump 14 top hole pressures are regulated and safeguard protection; The pressure oil of low temperature gear-type pump 14 outputs is regulated through excess pressure, through low temperature hydraulic pressure fine filter 28b, low temperature hydropneumatic ball valve 29b, low temperature flowline 202, exports the low temperature hydraulic oil that satisfies test-filtration, temperature and pressure demand.Accomplish the hydraulic oil of test; A part gets into low temperature pallet oil returning tube 8 through oil return pallet 49 with low temperature pallet oil return solenoid valve 44B; A part gets into low temperature oil circuit oil returning tube 9 through low temperature oil circuit oil return solenoid valve 44b; Hydraulic oil in low temperature pallet oil returning tube 8 and the low temperature oil circuit oil returning tube 9 finally is flowed to low temperature oil returning tube 211, and returns low temperature fuel tank 12.
The shared oil circuit 500 of the high low temperature of said high low temperature hydraulic system comprises the main inflow pipeline 205 that is connected with low temperature flowline 202 through tee pipe fitting and high temperature flowline 201; The four-way pipe fitting that working connection flow speed control valve 18, the first ends that are connected with main inflow pipeline are connected with the working connection flow speed control valve; The accumulation of energy oil line pipe 208 that is connected with four-way pipe fitting second end and accumulator stop valve 37 and accumulator 38; The tested valve body inflow pipeline 206 that is connected with four-way pipe fitting the 3rd end and establish inflow pipeline flowmeter 39a, inflow pipeline tensimeter 7c, inflow pipeline temperature sensor 33c, inflow pipeline pressure transducer 41a and hydraulic quick coupler 45 above that; The bypass flow that is connected with four-way pipe fitting the 4th end is regulated pipeline 203; Bypass flow is regulated pipeline through establishing above that bypass ball valve 42, bypass from flow speed control valve 43, and oil returning tube flowmeter 39b, hydraulic quick coupler 45 and oil returning tube pressure transducer 41g are connected with tested valve body oil returning tube 207; Be located at bypass flow regulate on the pipeline 203 bypass from an end of the four-way pipe fitting between flow speed control valve 43 and the oil returning tube flowmeter 39b through the valve body high temperature oil circuit oil returning tube 204 that is provided with high temperature oil circuit oil return solenoid valve 44a be connected with high temperature oil returning tube 210, the other end is connected with low temperature oil returning tube 211 through the valve body low temperature oil circuit oil returning tube 9 that is provided with low temperature oil circuit oil return solenoid valve 44b; Inflow pipeline temperature sensor 33c is connected with resistor-type temperature signal regulation module 425 in the input/output module 403 and is connected with controller TCU simultaneously; Inflow pipeline flowmeter 39a and oil returning tube flowmeter 39b respectively with input/output module 403 in flow displaying instrument 426 be connected, inflow pipeline pressure transducer 41a and oil returning tube pressure transducer 41g respectively with input/output module 403 in terminal box 423 be connected.
Be flowed to main inflow pipeline 205 by high temperature flowline 201 and low temperature flowline 202, after working connection flow speed control valve 18, be divided into three the tunnel:
One the tunnel is the accumulation of energy oil circuit, reaches accumulator 38 through accumulation of energy oil line pipe 208, accumulator stop valve 37, and 37 on-off actions of accumulator stop valve are used to change occasion uses such as accumulator 38;
One the tunnel is that bypass flow is regulated oil circuit, regulates pipeline 203, bypass ball valve 42 through bypass flow, and the bypass that gets into flow regulation shunting usefulness is confluxed with tested valve body oil returning tube 207 from flow speed control valve 43 afterwards;
If hot test is then flowed back to double-layer heat insulation high temperature fuel tank 23 through high temperature oil circuit oil return solenoid valve 44a, valve body high temperature oil circuit oil returning tube 204, high temperature oil returning tube 210;
If low-temperature test then flows back to low temperature fuel tank 12 through low temperature oil circuit oil return solenoid valve 44b, valve body low temperature oil circuit oil returning tube 9, low temperature oil returning tube 211;
Oil returning tube pressure transducer 41g also is housed on the tested valve body oil returning tube 207, oil returning tube flowmeter 39b, and link to each other with tested valve body 6 through hydraulic quick coupler 45;
Also have one the tunnel to be working connection, in-line flowmeter 39a, in-line tensimeter 7c, inflow pipeline temperature sensor 33c, inflow pipeline pressure transducer 41a are set on it, link to each other with tested valve body 6 through tested valve body inflow pipeline 206, hydraulic quick coupler 45.
Tested valve body 6 flow into the fluid in the oil return pallet 49, if hot test, then through high temperature pallet oil return solenoid valve 44A, high temperature pallet oil returning tube 209, high temperature oil returning tube 210 flow back to double-layer heat insulation high temperature fuel tank 23;
If low-temperature test, then through low temperature pallet oil return solenoid valve 44B, low temperature pallet oil returning tube 8, low temperature oil returning tube 211 flows back to low temperature fuel tank 12.
The test solution pressing system 530 of said high low temperature hydraulic system comprise with the shared oil circuit 500 of high low temperature in the tested valve body 6 that is connected with tested valve body oil returning tube 207 of tested valve body inflow pipeline 206, the strange clutch coupling 48a that docks with tested valve body oil circuit through hydraulic quick coupler 45 respectively; Idol clutch coupling 48b, be located at the clutch lubrication oil circuit respectively and axle is the pressure transducer 41 on the lubricant passage way: strange clutch pressure sensor 41b; Idol clutch pressure sensor 41c; Strange clutch lubrication pressure sensor 41d; Idol clutch lubrication pressure sensor 41e; Axle is lubrication pressure sensor 41f, be located at clutch lubrication oil circuit and axle respectively is that the strange clutch lubrication flow meter 39c on the lubricant passage way, even clutch lubrication flow meter 39d, axle are lubrication flow meter 39e; Be located at the throttling valve 47a on the strange clutch lubricant passage way, the throttling valve 47b on the even clutch lubricant passage way; Be located at axle and be fluid refrigeratory 46 on the lubricant passage way and be located at respectively that oil temperature sensor 33d is that lubricant passage way exports corresponding oil return pallet 49 with cooling back oil temperature sensor 33e, with clutch lubrication oil circuit and axle before the cooling before and after the fluid refrigeratory; The oil return pallet is connected with high temperature oil returning tube 210 through the high temperature pallet oil returning tube 209 that is provided with high temperature pallet oil return solenoid valve 44A, and is connected with low temperature oil returning tube 211 through the low temperature pallet oil returning tube 8 that is provided with low temperature pallet oil return solenoid valve 44B.
For test consistance and the vehicle-mounted state correspondence that improves tested valve body 6, fluid refrigeratory that vehicle-mounted state is docked with the valve body oil circuit 46, two clutch couplinges: strange clutch coupling 48a, even clutch coupling 48b; Two clutch lubrication oil circuits are that lubricant passage way links to each other with tested valve body 6 with hydraulic quick coupler 45 with axle, use throttling valve 47a, the assignment of traffic throttling pore in the 47b simulation clutch lubricant passage way; And add strange clutch lubrication flow meter 39c, even clutch lubrication flow meter 39d at required test oil circuit, axle is lubrication flow meter 39e,, pressure transducer 41: inflow pipeline pressure clutch 41a, strange clutch pressure sensor 41b; Idol clutch pressure sensor 41c; Strange clutch lubrication pressure sensor 41d, even clutch lubrication pressure sensor 41e, axle is lubrication pressure sensor 41f; Sensor such as oil temperature sensor 33d, cooling back oil temperature sensor 33e before oil returning tube pressure transducer 41g, the cooling; The oil that leaks in tested valve body 6 processs of the test is collected in the oil return pallet 49, if hot test, then through high temperature pallet oil return solenoid valve 44A; High temperature pallet oil returning tube 209, high temperature oil returning tube 210 flow back to the high temperature fuel tank 23 of double-layer heat insulation; If low-temperature test, then through low temperature pallet oil return solenoid valve 44B, low temperature pallet oil returning tube 8, low temperature oil returning tube 211 flows back to low temperature fuel tank 12.
The series of heat relay of testing table and switching signal comprise high-temperature systems chilled water filtration and warning switch 70, high and low temperature system liquid bit switch 32a, 32b; High temperature oil suction filter screen alarm switch 63; High temperature pressure filter screen alarm switch 64, low-temperature pressure filter screen alarm switch 65 and high-temperature stirring motor heat relay 66, low temperature stirring motor electrothermal relay 67; Industry thermoacoustic refrigerator relay 68; Mist of oil gatherer motor relay 69 links to each other with the DIO numeral input and output 422 of slave computer 402 real-time controllers through terminal box 423, with the on off state or relay on-off state input slave computer 402 real-time controllers of series.
Slave computer 402 real-time controllers are through the input and output 422 of DIO numeral, and terminal box 423 and power amplifier 433 are carried out drive controlling to the relay on the testing table; Relay comprises: high-temperature stirring motor auxiliary reclay 71, low temperature stirring motor auxiliary reclay 72, mist of oil gatherer motor auxiliary reclay 73; High-temperature pump servomotor auxiliary reclay 74, cryopump servomotor auxiliary reclay 75, well heater auxiliary reclay 76; Industry refrigerator motor auxiliary reclay 77, high temperature oil way solenoid valve normally opened relay 80, high-temperature water cooling solenoid relay valve 81; Low temperature oil circuit solenoid valve normally opened relay 82; Bypass speed governing oil circuit ball valve relay 83, the normally closed interlock relay 84 of high temperature oil way solenoid valve, the normally closed interlock relay 85 of low temperature oil circuit solenoid valve; The normally closed interlock relay 86 of high-temperature pump servomotor, the normally closed interlock relay 87 of cryopump servomotor.Also through the input and output 422 of DIO numeral, terminal box 423 links to each other with warning device 79, realizes collection and warning to warning message in slave computer 402 control in real time.
Referring to Fig. 3, power supply box 2 is through high temperature servomotor contactor 101, and high-temperature pump servomotor controller 427 links to each other with high-temperature pump servomotor 15a, and high-temperature pump servomotor 15a drives high temperature gear pump 27.Slave computer 402 real-time controllers are through the input and output 422 of DIO numeral; Terminal box 423, power amplifier 433, control high-temperature pump servomotor auxiliary reclay 74; Through the normally closed interlock relay 86 of high-temperature pump servomotor; Through high temperature servomotor contactor 101, high-temperature pump servomotor controller 427, the starting of control high-temperature pump servomotor 15a with stop; With flow signal input flow rate Displaying Meter 426, again through terminal box 423, A/D analog to digital conversion 418 is imported slave computers 402 real-time processors 417 to the delivery rate of high temperature gear pump 27 through inflow pipeline flowmeter 39a; High-temperature pump servomotor 15a sends tach signal into high-temperature pump servomotor controller 427 through high-temperature pump servomotor scrambler 60; Through terminal box 423; A/D analog to digital conversion 418 input slave computers 402 real-time processors 417, slave computer 402 real-time processors 417 are according to high-temperature pump servomotor 15a tach signal, the delivery rate of high temperature gear pump 27 and the Control Flow of hope measured, behind the control corresponding algorithm; Through AO1 simulation output 416 and terminal box 423; Controlled quentity controlled variable is sent to high-temperature pump servomotor controller 427, control high-temperature pump servomotor 15a rotating speed, thus the delivery rate of Dynamic Closed Loop Control high temperature gear pump 27 is big or small.The flow control principle that cryopump servomotor 15b drives low temperature gear-type pump 14 is identical therewith.
Referring to shown in Figure 4 be high low temperature servomotor interlocking control circuit schematic diagram; Since high and low temperature hydraulic circuit 510 with 520 respectively by different high cryopump servomotor 15a; 15b controls, and in the valve body thermocycling of automatic transmission, high temperature hydraulic circuit 510 is realized the test control under the high temperature; The test control under the low temperature is realized on low temperature hydraulic oil road 520; Owing to be different hydraulic circuits, therefore identical tested valve body 6 need carry out interlocking control to the driven by servomotor of high low temperature hydraulic circuit.Power supply box 2 is connected with high-temperature pump servomotor controller 427 through high temperature servomotor contactor 101; Control high-temperature pump servomotor 15a operation, slave computer 402 real-time controllers are through the input and output 422 of DIO numeral, terminal box 423; Power amplifier 433; Control high-temperature pump servomotor auxiliary reclay 74 is through the normally closed interlock relay 86 of high-temperature pump servomotor, high temperature servomotor contactor 101; High-temperature pump servomotor controller 427, control high-temperature pump servomotor 15a stops and operation; Power supply box 2 is connected with cryopump servomotor controller 428 through low temperature servomotor contactor 102; Control cryopump servomotor 15b operation, slave computer 402 real-time controllers are through the input and output 422 of DIO numeral, terminal box 423; Power amplifier 433; Control cryopump servomotor auxiliary reclay 75 is through the normally closed interlock relay 87 of cryopump servomotor, low temperature servomotor contactor 102; Cryopump servomotor controller 428, control cryopump servomotor 15b stops and operation; High-temperature pump servomotor auxiliary reclay 74 and the normally closed interlock relay 87 interlock controls of cryopump servomotor in system; Cryopump servomotor auxiliary reclay 75 and the normally closed interlock relay 86 interlock controls of high-temperature pump servomotor; High-temperature pump servomotor auxiliary reclay 74 is in normally open with cryopump servomotor auxiliary reclay 75 under the holding state; The normally closed interlock relay 87 of cryopump servomotor is in normally off with the normally closed interlock relay 86 of high-temperature pump servomotor; When needs used high temperature hydraulic circuit 510, closed high-temperature pump servomotor auxiliary reclay 74 was because the interlock effect; Normally closed interlock relay 87 automatic cutouts of normally closed cryopump servomotor make cryopump servomotor 15b fail to start; When needs use low temperature hydraulic oil road 520; Closed cryopump servomotor auxiliary reclay 75; Because interlock effect; Normally closed interlock relay 86 automatic cutouts of normally closed high-temperature pump servomotor make high-temperature pump servomotor 15a fail to start, thereby have realized the interlocking control of high cryopump servomotor 15a and 15b in high low temperature hydraulic circuit 510 and 520.
Referring to Fig. 5, be high temperature fuel tank heating and temperature control schematic diagram.In automatic transmission valve body thermocycling platform except need controlling to the oil pump flow described in Fig. 3; Also need control: i.e. high temperature fuel tank heating and temperature control shown in figure five temperature of hydraulic system oil liquid; Power supply box 2 is through well heater thyristor contactor 103; Intelligence triac controller 431 control high temperature fuel tank heaters 24; 12V Switching Power Supply 120 is intelligent thyristor power supply; Inflow pipeline temperature sensor 33a, the 33c of high temperature oil oven temperature, degree sensor, pilot valve body inlet link to each other with terminal box 423 with heater surfaces temperature sensor 62 through resistor-type temperature conditioning module 425, connect the A/D analog to digital conversion 418 of slave computer 402 again, with oil temperature information input controller.Terminal box 423 is passed through in the DIO numeral input and output 422 of slave computer 402, power amplifier 433, and control heater auxiliary reclay 76, through well heater thyristor contactor 103, intelligent triac controller 431 goes to control the break-make of high temperature fuel tank heater 24 again; Slave computer 402 can be according to the temperature of desired temperatures size and actual measurement; Through certain algorithm and AO1 simulation output 416; Terminal box 423; Through the heating power size that intelligent triac controller 431 removes to control high temperature fuel tank heater 24, realize temperature closed loop control to high temperature hydraulic circuit 510.
Referring to Fig. 6, to the control of tested valve body 6, main pressure-controlled solenoid valve 130 is arranged respectively on the tested valve body 6, lubricated control electromagnetic valve 131; The first switch control electromagnetic valve 132, strange Clutch Control solenoid valve 133, second switch control electromagnetic valve 134; 6 solenoid valves such as idol Clutch Control solenoid valve 135 grades are furnished with inflow pipeline pressure transducer 41a respectively on the valve plate 4, strange clutch pressure sensor 41b; Idol clutch pressure sensor 41c, strange clutch lubrication pressure sensor 41d, even clutch lubrication pressure sensor 41e; Axle is lubrication pressure sensor 41f, oil temperature sensor 33d, cooling back oil temperature sensor 33e before the cooling, gearshift cylinder piston displacement sensor 40; Tested valve body 6 has adopted twin-channel Redundant Control mode; Wherein a kind of mode adopts slave computer 402 and attached A/D analog to digital conversion 418, AO2 simulation output 421 directly controls: gear signal and pressure transducer 41 that the temperature signal that oil temperature sensor 33d, cooling back oil temperature sensor 33e measure before the cooling in the tested valve body 6, gearshift cylinder piston displacement sensor 40 are measured: inflow pipeline pressure transducer 41a; Strange clutch pressure sensor 41b, even clutch pressure sensor 41c, strange clutch lubrication pressure sensor 41d; Idol clutch lubrication pressure sensor 41e; Axle is that the pressure signal that lubrication pressure sensor 41f measures links to each other with the A/D analog to digital conversion 418 of slave computer 402 real-time controllers through terminal box 423, and direct with relevant heat transfer agent input slave computer 402, slave computer 402 exports 421 according to certain demand for control through the AO2 simulation; Terminal box 423 links to each other with PWM modulator 432; Can be to the solenoid valve in the tested valve body 6 (main pressure-controlled solenoid valve 130, lubricated control electromagnetic valve 131, the first switch control electromagnetic valve 132; Strange Clutch Control solenoid valve 133; Second switch control electromagnetic valve 134, even Clutch Control solenoid valve 135 carries out direct drive controlling, this mode relatively be applicable to tested valve body 6 isolate, performance under stable state or the simple operation operating mode tests.Another kind of control mode adopts and 424 communications of TCU controller and employing AO2 simulation output 421; The virtual signal environmental manner of DIO numeral input and output 422 simulation TCU controllers 424 outside operations: the solenoid valve through in 424 pairs of tested valve bodies 6 of TCU controller drives and controls; Gear signal and pressure transducer 41 that the temperature signal that oil temperature sensor 33d, cooling back oil temperature sensor 33e measure before the cooling in the tested valve body 6, gearshift cylinder piston displacement sensor 40 are measured: inflow pipeline pressure transducer 41a; Strange clutch pressure sensor 41b; Idol clutch pressure sensor 41c; Strange clutch lubrication pressure sensor 41d, even clutch lubrication pressure sensor 41e, axle is lubrication pressure sensor 41f; The pressure signal that oil returning tube pressure transducer 41g measures directly links to each other with TCU controller 424; Link to each other with slave computer 402 real-time controllers through CAN communication module 420, relevant status informations such as pressure are beamed back slave computer 402 real-time controllers, can simulate tested valve body 6 working conditions under the actual motion condition; Can test the dynamic property under the tested valve body 6 simulation actual conditions, also can carry out the performance simulation test tested valve body 6 products of the ripe automatic transmission of unknown performance and control strategy.Use dual redundant mechanism, when having improved practicality and the reliability of experimental test, expanded the test capability of system.Said output control signal is carried out direct drive controlling through the electromagnetic valve group in 432 pairs of tested valve bodies 6 of PWM modulator; This electromagnetic valve group comprises main pressure-controlled solenoid valve 130, lubricated control electromagnetic valve 131, the first switch control electromagnetic valve 132, strange Clutch Control solenoid valve 133, second switch control electromagnetic valve 134, even Clutch Control solenoid valve 135.
Referring to Fig. 7 and Fig. 8; In order to realize thermocycling; Adopted independently high low temperature hydraulic circuit 510; 520 two hydraulic systems: hydraulic control circuit mainly comprises high temperature hydraulic circuit 510 among the figure, low temperature hydraulic oil road 520, the shared oil circuit 500 of high low temperature and 530 4 major parts of test solution pressing system.Wherein high temperature hydraulic circuit 510 mainly comprises high temperature oil box mixer 10a, high-temperature pump servomotor 15a, the high temperature ball valve 20a that drains the oil, cooling refrigeratory 21; High temperature tank gauge 22a, the high temperature fuel tank 23 of double-layer heat insulation, high temperature fuel tank heater 24, oil-feed stop valve 25; Oil suction filtrator 26, high temperature gear pump 27, high temperature hydraulic pressure fine filter 28a, high temperature hydropneumatic ball valve 29a; High temperature fuel tank air cleaner 31a, high-temperature systems level switch 32a, high temperature oil oven temperature, degree sensor 33a, high-temperature water cooling solenoid valve 34; Cooling water filter 35, the oil return of high temperature oil circuit, pallet oil return solenoid valve 44a, 44A, high temperature oil circuit motor coupler 50a, high temperature conduit tensimeter 7a; High temperature proportion magnetic valve 16a, high temperature deadweight safety valve 17a, high temperature flowline 201; Valve body high temperature oil circuit oil returning tube 204, high temperature pallet oil returning tube 209, high temperature oil returning tube 210 formations such as grade.The high temperature ball valve 20a that drains the oil is arranged around the high temperature fuel tank 23 of double-layer heat insulation; High temperature tank gauge 22a, high temperature fuel tank air cleaner 31a, high-temperature systems level switch 32a; And the cooling cooling system that constitutes by cooling refrigeratory 21, high-temperature water cooling solenoid valve 34, cooling water filter 35; By high temperature oil oven temperature, degree sensor 33a, the temperature elevation system that high temperature fuel tank heater 24 constitutes, said system has constituted the control to fuel tank inner fluid temperature, liquid level etc.High-temperature pump servomotor 15a drives high temperature gear pump 27 through high temperature oil circuit motor coupler 50a; With the oil in the high temperature fuel tank 23 of double-layer heat insulation through oil-feed stop valve 25; Oil suction filtrator 26 sucks high temperature gear pump 27; Cross-over connection has high temperature proportion magnetic valve 16a between the endpiece of high temperature gear pump 27 and the high temperature oil returning tube 210; High temperature deadweight safety valve 17a can realize adjusting and safeguard protection to high temperature hydraulic circuit 510 output pressures, and the pressure oil of high temperature gear pump 27 outputs is regulated through excess pressure; Through high temperature hydraulic pressure fine filter 28a, high temperature hydropneumatic ball valve 29a, high temperature flowline 201, the high temperature hydraulic oil of test-filtration, temperature and pressure demand is satisfied in output again.Accomplish the hydraulic oil of test; A part gets into high temperature pallet oil returning tube 209 through oil return pallet 49 with high temperature pallet oil return solenoid valve 44A; A part gets into high temperature oil circuit oil returning tube 204 through high temperature oil circuit oil return solenoid valve 44a; Hydraulic oil in high temperature pallet oil returning tube 209 and the high temperature oil circuit oil returning tube 204 finally is flowed to high temperature oil returning tube 210, and returns high temperature fuel tank 23.
Low temperature hydraulic oil road 520 is by cryogenic piping tensimeter 7b, low temperature fuel tank stirrer 10b, low temperature fuel tank 12, low temperature fuel sucking pipe 13; Low temperature gear-type pump 14, cryopump servomotor 15b, low temperature proportion magnetic valve 16b, low temperature deadweight safety valve 17b; Low temperature tank gauge 22b, low temperature hydraulic pressure fine filter 28b, low temperature hydropneumatic ball valve 29b, low temperature fuel tank air cleaner 31b; Cryogenic system level switch 32b, low temperature oil circuit oil return solenoid valve 44b, low temperature pallet oil return solenoid valve 44B, low temperature oil circuit motor coupler 50b; Low temperature flowline 202, valve body low temperature oil circuit oil returning tube 9, low temperature pallet oil returning tube 8, low temperature oil returning tube 211 formations such as grade.Wherein low temperature fuel tank 12 is placed in the industrial refrigerator 11; Low temperature fuel tank 12 placed around have low temperature fuel tank stirrer 10b, low temperature tank gauge 22b, low temperature fuel tank air cleaner 31b; Cryogenic system level switch 32b; Low temperature fuel tank 12 is placed in industrial refrigerator 11 control chambers, by low temperature fuel tank temperature sensor 33b, industrial thermoacoustic refrigerator relay 68; Industry refrigerator motor auxiliary reclay 77, industrial refrigerator 11 grades have constituted under the cryogenic conditions control to fuel tank inner fluid temperature, liquid level etc. in interior said system.Cryopump servomotor 15b drives low temperature gear-type pump 14 through low temperature oil circuit motor coupler 50b; Hydraulic oil in the low temperature fuel tank 12 is sucked low temperature gear-type pump 14; Cross-over connection has low temperature proportion magnetic valve 16b and low temperature deadweight safety valve 17b between low temperature gear-type pump 14 endpiece and the low temperature oil returning tube 211; Can realize adjusting and safeguard protection to low temperature gear-type pump 14 top hole pressures; The pressure oil of low temperature gear-type pump 14 outputs is regulated through excess pressure, and again through low temperature hydraulic pressure fine filter 28b, low temperature hydropneumatic ball valve 29b, low temperature flowline 202, the low temperature hydraulic oil of test-filtration, temperature and pressure demand is satisfied in output.Accomplish the hydraulic oil of test; A part gets into low temperature pallet oil returning tube 8 through oil return pallet 49 with low temperature pallet oil return solenoid valve 44B; A part gets into low temperature oil circuit oil returning tube 9 through low temperature oil circuit oil return solenoid valve 44b; Hydraulic oil in low temperature pallet oil returning tube 8 and the low temperature oil circuit oil returning tube 9 finally is flowed to low temperature oil returning tube 211, and returns low temperature fuel tank 12.
High low temperature oil circuit part all has the servomotor and driving fixed displacement pump of an adjustable speed: high temperature gear pump 27, low temperature gear-type pump 14; The all other high low temperature deadweight safety valve 17a that is connected on the output circuit of pump; 17b and high low temperature proportion magnetic valve 16a, 16b can regulate oil pump output pressure and safeguard protection; The flow of high low temperature hydraulic system is controlled the delivery rate of two high low temperature gear-type pumps 27,14 through the rotating speed of controlling high cryopump servomotor 15a, 15b respectively, and through controlling high low temperature proportion magnetic valve 16a, 16b controls the pressure of this system.
The high-temperature pump servomotor 15a that is located in the high temperature hydraulic circuit 510 is controlled by the high and low temperature pump servomotor controller 427,428 of 74,75,86,87 and two contactors of four relays, 101,102 controls with the cryopump servomotor 15b that is located in the low temperature hydraulic oil road 520; Open and close two relays 74,87 or 75, the 86 interlock controls of two other relay of complementary and interlock, realize interlocking control two servomotor startings.
In high temperature hydraulic circuit 510 and low temperature hydraulic oil road 520, be respectively equipped with a pneumatic ball valve, two pneumatic ball valves are by 80,82 controls of two relays; Be provided with two oil return control electromagnetic valve in the shared oil circuit 500 of high low temperature; Two oil return control electromagnetic valve are by 84,85 controls of two relays; Open and close two relays 80,85 or 82, the 84 interlock controls of two other relay of complementary and interlock, realize the switching interlocking control of high low temperature oil circuit.
The well heater of intensification and the water cooling plant of cooling are arranged respectively in the high temperature fuel tank 23 of high temperature hydraulic circuit 510; The all break-makes of crossing control heater auxiliary reclay 76 and well heater thyristor contactor 103 control high temperature fuel tank heaters 24 of high low temperature hydraulic system realize the control that high temperature fuel tank 23 is heated up; High low temperature hydraulic system is through the break-make of control high-temperature water cooling solenoid relay valve 81, and the cooling of control high temperature fuel tank 23 is controlled.
The low temperature fuel tank 12 on low temperature hydraulic oil road 520 is located in the industrial refrigerator 11, and the break-make of the low temperature stirring motor auxiliary reclay 72 through controlling industrial refrigerator motor auxiliary reclay 77 and low temperature fuel tank stirrer 10b realizes the controls of low temperature fuel tank 12 oil temperature.
The shared oil circuit 500 of high low temperature is by inflow pipeline temperature sensor 33c, accumulator stop valve 37, accumulator 38, in-line flowmeter 39a; Inflow pipeline pressure transducer 41a, bypass ball valve 42, bypass is from flow speed control valve 43, hydraulic quick coupler 45; In-line tensimeter 7c, working connection flow speed control valve 18, bypass flow is regulated pipeline 203, main inflow pipeline 205; Tested valve body inflow pipeline 206, tested valve body oil returning tube 207, working connection accumulation of energy oil line pipe 208 formations such as grade.By high temperature flowline 201 and the low temperature flowline 202 main inflow pipeline 205 that confluxes; Get into working connection flow speed control valve 18; Be divided into three the tunnel afterwards; Leading up to working connection accumulation of energy oil line pipe 208, accumulator stop valve 37 reaches accumulator 38, and 37 on-off actions of accumulator stop valve are used to change occasion such as accumulator 38 and use; The bypass flow of leading up to is regulated pipeline 203, bypass ball valve 42; The bypass that gets into flow regulation shunting usefulness is from flow speed control valve 43; Conflux with tested valve body oil returning tube 207 afterwards; If the high temperature fuel tank 23 of double-layer heat insulation is then flowed back in hot test through high temperature oil circuit oil return solenoid valve 44a, valve body high temperature oil circuit oil returning tube 204, high temperature oil returning tube 210; If low-temperature test then flows back to low temperature fuel tank 12 through low temperature oil circuit oil return solenoid valve 44b, valve body low temperature oil circuit oil returning tube 9, low temperature oil returning tube 211; Oil returning tube pressure transducer 41g also is housed on the tested valve body oil returning tube 207, return line flowmeter 39b, and link to each other with tested valve body 6 through hydraulic quick coupler 45; One road in-line flowmeter 39a, inflow pipeline tensimeter 7c, inflow pipeline temperature sensor 33c, inflow pipeline pressure transducer 41a, hydraulic quick coupler 45, tested valve body inflow pipeline 206 links to each other with tested valve body 6.Tested valve body 6 flow into the fluid in the oil return pallet 49, if hot test, then through high temperature pallet oil return solenoid valve 44A, high temperature pallet oil returning tube 209, high temperature oil returning tube 210 flow back to the high temperature fuel tank 23 of double-layer heat insulation; If low-temperature test, then through low temperature pallet oil return solenoid valve 44B, low temperature pallet oil returning tube 8, low temperature oil returning tube 211 flows back to low temperature fuel tank 12.
Test solution pressing system 530 is lubrication flow meter 39e by tested valve body 6, strange clutch lubrication flow meter 39c, even clutch lubrication flow meter 39d, axle, pressure transducer 41: strange clutch pressure sensor 41b, even clutch pressure sensor 41c; Strange clutch lubrication pressure sensor 41d, even clutch lubrication pressure sensor 41e, axle is lubrication pressure sensor 41f; Hydraulic quick coupler 45; Fluid refrigeratory 46, clutch lubricant passage way throttling valve 47a, 47b, strange clutch coupling 48a; Idol clutch coupling 48b, oil return pallet 49 is formed.For test consistance and the vehicle-mounted state correspondence that improves tested valve body 6, with the fluid refrigeratory 46 that vehicle-mounted state docks with the valve body oil circuit, strange clutch coupling 48a; Idol clutch coupling 48b etc. links to each other with tested valve body 6 with hydraulic quick coupler 45; With the assignment of traffic throttling pore in throttling valve 47a, the 47b simulation odd even clutch lubricant passage way, and to add strange clutch lubrication flow meter 39c, even clutch lubrication flow meter 39d, axle at required test oil circuit be lubrication flow meter 39e, pressure transducer 41: strange clutch pressure sensor 41b; Idol clutch pressure sensor 41c; Strange clutch lubrication pressure sensor 41d, even clutch lubrication pressure sensor 41e, axle is lubrication pressure sensor 41f; Sensor such as oil temperature sensor 33d, cooling back oil temperature sensor 33e before the cooling; The oil that leaks in tested valve body 6 processs of the test is collected in the oil return pallet 49, if hot test, then through high temperature pallet oil return solenoid valve 44A; High temperature pallet oil returning tube 209, high temperature oil returning tube 210 flow back to the high temperature fuel tank 23 of double-layer heat insulation; If low-temperature test, then through low temperature pallet oil return solenoid valve 44B, low temperature pallet oil returning tube 8, low temperature oil returning tube 211 flows back to low temperature fuel tank 12.
The test principle of this hydraulic system is: when carrying out hot test; Open high temperature hydropneumatic ball valve 29a, close low temperature hydropneumatic ball valve 29b, close low temperature oil circuit oil return solenoid valve 44b simultaneously; Low temperature pallet oil return solenoid valve 44B makes high low temperature oil circuit not connected; The system oil temperature control is realized by height temperature rise temperature system, when oily warm on the low side, when needing heating; By high temperature oil oven temperature, degree sensor 33a; The temperature elevation system that high temperature fuel tank heater 24 constitutes is realized controlled heat temperature raising, when oily warm higher, when needing cooling; Open high-temperature water cooling solenoid valve 34, the cooling that chilled water is realized the system oil temperature to cooling refrigeratory 21 through cooling water filter 35.The pressure oil of high temperature gear pump 27 outputs is through high temperature hydraulic pressure fine filter 28a, high temperature hydropneumatic ball valve 29a, high temperature flowline 201, and the high temperature hydraulic oil of filtration test demand is satisfied in output.When needs carried out routine tests to solenoid valve, test needed system that a stable constant pressure source is provided, and high-temperature pump servomotor 15a drives high temperature gear pump 27 through high temperature oil circuit motor coupler 50a; Through oil-feed stop valve 25, oil suction filtrator 26 sucks high temperature gear pump 27 with the oil in the high temperature fuel tank 23 of double-layer heat insulation, and cross-over connection has high temperature proportion magnetic valve 16a between the endpiece of high temperature gear pump 27 and the high temperature oil returning tube 210; High temperature deadweight safety valve 17a through control high temperature proportion magnetic valve 16a, can realize controlled system's output pressure; Simultaneously working connection flow speed control valve 18 is opened fully, bypass ball valve 42 is closed, also just closed bypass flow and regulated pipeline 203; Pilot system only provides a constant controlled pressure source during pet valve test, can use throttling valve 47a at the loading section of pet valve, and 47b loads; Draining returns pallet 49; And on corresponding loop connection traffic meter 39, oil temperature sensor 33 and pressure transducer 41.Hydraulic oil in the holder food tray is through high temperature pallet oil return solenoid valve 44A, and high temperature pallet oil returning tube 209, high temperature oil returning tube 210 flow back to the high temperature fuel tank 23 of double-layer heat insulation; When needs make an experiment to tested valve body 6; Test needs system that a stable constant current source is provided, and high-temperature pump servomotor 15a drives high temperature gear pump 27 through high temperature oil circuit motor coupler 50a, with the oil in the high temperature fuel tank 23 of double-layer heat insulation through oil-feed stop valve 25; Oil suction filtrator 26 sucks high temperature gear pump 27; Cross-over connection has high temperature proportion magnetic valve 16a between the endpiece of high temperature gear pump 27 and the high temperature oil returning tube 210, and high temperature deadweight safety valve 17a suitably is higher than the adjusting pressure of high temperature proportion magnetic valve 16a the working pressure of tested valve body 6 this moment; Regulate the rotating speed of high-temperature pump servomotor 15a; Make the pilot system delivery rate contain the flow working range of tested valve body 6, when required tests of simulating flow is big, working connection flow speed control valve 18 is adjusted to required flow; Bypass ball valve 42 is closed; This moment, system provided a constant traffic sources, and by working connection flow speed control valve 18 constant pilot system delivery rates, unnecessary flow is realized overflow through high temperature proportion magnetic valve 16a; When required tests of simulating flow hour; Stablize constant low discharge in order to obtain one; Bypass ball valve 42 is opened, also promptly opened bypass flow and regulate pipeline 203, adjusted in concert working connection flow speed control valve 18 and bypass are from flow speed control valve 43 simultaneously; Reach regime flow until both; And the flow of realizing both differences equals to test required flow, and this moment, system provided the high temperature pressure source of valve body experimental test demand constant current, and the flow size realizes through working connection flow speed control valve 18 and the bypass equal difference overflow mode of bypass from flow speed control valve 43.Accomplish the hydraulic oil of test; A part gets into high temperature pallet oil returning tube 209 through oil return pallet 49 with high temperature pallet oil return solenoid valve 44A; A part gets into high temperature oil circuit oil returning tube 204 through high temperature oil circuit oil return solenoid valve 44a; Hydraulic oil in high temperature pallet oil returning tube 209 and the high temperature oil circuit oil returning tube 204 finally is flowed to high temperature oil returning tube 210, and returns high temperature fuel tank 23.
When carrying out low-temperature test, open low temperature hydropneumatic ball valve 29b, close high temperature hydropneumatic ball valve 29a, close high temperature oil circuit oil return solenoid valve 44a simultaneously, high temperature pallet oil return solenoid valve 44A makes high low temperature oil circuit not connected; The system oil temperature is by 11 controls of industrial refrigerator, in order to realize the even refrigeration of fluid, and helps flowing of fluid, in low temperature fuel tank 12, increased low temperature fuel tank stirrer 10b.The pressure oil of low temperature gear-type pump 14 outputs is through low temperature hydraulic pressure fine filter 28b, low temperature hydropneumatic ball valve 29b, low temperature flowline 202, and the low temperature hydraulic oil of filtration test demand is satisfied in output.When needs carried out routine tests to solenoid valve, test needed system that a stable constant pressure source is provided, and cryopump servomotor 15b drives low temperature gear-type pump 14 through low temperature oil circuit motor coupler 50b; Oil in the low temperature fuel tank 12 is sucked low temperature gear-type pump 14, and cross-over connection has low temperature proportion magnetic valve 16b between the endpiece of low temperature gear-type pump 14 and the low temperature oil returning tube 211, low temperature deadweight safety valve 17b; Through control low temperature proportion magnetic valve 16b, can realize controlled system's output pressure, open working connection flow speed control valve 18 fully this moment simultaneously; Bypass ball valve 42 is closed; Also just closed bypass flow and regulated pipeline 203, pilot system only provides a constant controlled pressure source during pet valve test, can use throttling valve 47a at the loading section of pet valve; 47b loads; Draining returns pallet 49, and on corresponding loop connection traffic meter 39, oil temperature sensor 33 and pressure transducer 41.Hydraulic oil in the holder food tray passes through low temperature pallet oil return solenoid valve 44B, low temperature pallet oil returning tube 8, and low temperature oil returning tube 211 flows back to low temperature fuel tank 12; When needs made an experiment to tested valve body 6, test needed system that a stable constant current source is provided, and cryopump servomotor 15b drives low temperature gear-type pump 14 through low temperature oil circuit motor coupler 50b; Oil in the low temperature fuel tank 12 is sucked low temperature gear-type pump 14, and cross-over connection has low temperature proportion magnetic valve 16b between the endpiece of low temperature gear-type pump 14 and the low temperature oil returning tube 211, low temperature deadweight safety valve 17b; This moment the adjusting pressure of low temperature proportion magnetic valve 16b suitably is higher than the working pressure of tested valve body 6; Regulate the rotating speed of cryopump servomotor 15b, make the pilot system delivery rate contain the flow working range of tested valve body 6, when required tests of simulating flow is big; Working connection flow speed control valve 18 is adjusted to required flow; Bypass ball valve 42 is closed, also just closed bypass flow and regulated pipeline 203, this moment, system provided a constant traffic sources; By working connection flow speed control valve 18 constant pilot system delivery rates, unnecessary flow is realized overflow through low temperature proportion magnetic valve 16b; When required tests of simulating flow hour; Stablize constant low discharge in order to obtain one; Bypass ball valve 42 is opened, also promptly opened bypass flow and regulate pipeline 203, adjusted in concert working connection flow speed control valve 18 and bypass are from flow speed control valve 43 simultaneously; Reach regime flow until both; And the flow of realizing both differences equals to test required flow, and this moment, system provided the low-temperature pressure source of valve body experimental test demand constant current, and the flow size realizes through working connection flow speed control valve 18 and the bypass equal difference overflow mode of bypass from flow speed control valve 43.Accomplish the hydraulic oil of test; A part gets into low temperature pallet oil returning tube 8 through oil return pallet 49 with low temperature pallet oil return solenoid valve 44B; A part gets into low temperature oil circuit oil returning tube 9 through low temperature oil circuit oil return solenoid valve 44b; Hydraulic oil in low temperature pallet oil returning tube 8 and the low temperature oil circuit oil returning tube 9 finally is flowed to low temperature oil returning tube 211, and returns low temperature fuel tank 12.
Thermocycling no matter, all through hydraulic quick coupler 45 and tested valve body inflow pipeline 206, tested valve body oil returning tube 207 links to each other with pilot valve body; For test consistance and the vehicle-mounted state correspondence that improves tested valve body 6, with the fluid refrigeratory 46 that vehicle-mounted state docks with the valve body oil circuit, strange clutch coupling 48a; Idol clutch coupling 48b etc. links to each other with tested valve body 6 with hydraulic quick coupler 45; Simulate the assignment of traffic throttling pore in the odd even clutch lubricant passage way respectively with throttling valve 47a, 47b, and add strange clutch lubrication flow meter 39c, even clutch lubrication flow meter 39d at required test oil circuit, axle is lubrication flow meter 39e, pressure transducer 41: inflow pipeline pressure transducer 41a; Strange clutch pressure sensor 41b; Idol clutch pressure sensor 41c, strange clutch lubrication pressure sensor 41d, even clutch lubrication pressure sensor 41e; Axle is lubrication pressure sensor 41f; Oil returning tube pressure transducer 41g cools off sensors such as preceding oil temperature sensor 33d, cooling back oil temperature sensor 33e, is used to detect the performance in valve body and loop.The oil that leaks in tested valve body 6 processs of the test is collected in the oil return pallet 49, if hot test, then through high temperature pallet oil return solenoid valve 44A, high temperature pallet oil returning tube 209, high temperature oil returning tube 210 flow back to the high temperature fuel tank 23 of double-layer heat insulation; If low-temperature test, then through low temperature pallet oil return solenoid valve 44B, low temperature pallet oil returning tube 8, low temperature oil returning tube 211 flows back to low temperature fuel tank 12.
Because high low temperature oil circuit separately, has reduced requirements of type selecting such as oil pump, valve body, has reduced system cost, and adopt the mode of the differential adjusting flow of flow speed control valve, realized that simple and reliablely application valve body is in the test demand of stablizing under the low discharge test condition.
The requirement of high low temperature oil circuit interlocking control has been adopted interlocking control circuit as shown in Figure 8,24V Switching Power Supply 121 when realizing automatic transmission valve body thermocycling.The switching control valve relevant with the high temperature oil circuit has high temperature hydropneumatic ball valve 29a, high temperature oil circuit oil return solenoid valve 44a and high temperature pallet oil return solenoid valve 44A, the input and output 422 of slave computer 402 controller DIO numeral; Through terminal box 423; Power amplifier 433, high temperature oil way solenoid valve normally opened relay 80, the normally closed interlock relay 84 of high temperature oil way solenoid valve; Synchro control high temperature hydropneumatic ball valve 29a, the keying state of high temperature oil circuit oil return solenoid valve 44a and high temperature pallet oil return solenoid valve 44A; The switching control valve relevant with the low temperature oil circuit has low temperature hydropneumatic ball valve 29b, low temperature oil circuit oil return solenoid valve 44b and low temperature pallet oil return solenoid valve 44B, the input and output 422 of slave computer 402 controller DIO numeral; Through terminal box 423; Power amplifier 433, low temperature oil circuit solenoid valve normally opened relay 82, the normally closed interlock relay 85 of low temperature oil circuit solenoid valve; Synchro control low temperature hydropneumatic ball valve 29b, the keying state of low temperature oil circuit oil return solenoid valve 44b and low temperature pallet oil return solenoid valve 44B.Wherein high temperature oil way solenoid valve normally opened relay 80 links with the normally closed interlock relay 85 of low temperature oil circuit solenoid valve and controls; When high temperature oil way solenoid valve normally opened relay 80 closures; The normally closed interlock relay 85 of low temperature oil circuit solenoid valve is opened; Otherwise, when high temperature oil way solenoid valve normally opened relay 80 is opened, normally closed interlock relay 85 closures of low temperature oil circuit solenoid valve; Identical low temperature oil circuit solenoid valve normally opened relay 82 and the normally closed interlock relay 84 interlock controls of high temperature oil way solenoid valve.
When needs carry out hot test; The input and output 422 of slave computer 402 controller DIO numeral, through terminal box 423, power amplifier 433 control high temperature oil way solenoid valve normally opened relays 80 closures; The switching control valve relevant---high temperature hydropneumatic ball valve 29a with the high temperature oil circuit; High temperature oil circuit oil return solenoid valve 44a and high temperature pallet oil return solenoid valve 44A respective closed, and open, then low temperature hydropneumatic ball valve 29b with the normally closed interlock relay 85 of low temperature oil circuit solenoid valve of high temperature oil way solenoid valve normally opened relay 80 interlock; Low temperature oil circuit oil return solenoid valve 44b and corresponding the closing of low temperature pallet oil return solenoid valve 44B, oil circuit switches to high temperature hydraulic circuit 510; When needs carry out low-temperature test; The input and output 422 of slave computer 402 controller DIO numeral, through terminal box 423, power amplifier 433 control low temperature oil circuit solenoid valve normally opened relays 82 closures; The switching control valve relevant---low temperature hydropneumatic ball valve 29b with the low temperature oil circuit; Low temperature oil circuit oil return solenoid valve 44b and low temperature pallet oil return solenoid valve 44B respective closed, and open, then high temperature hydropneumatic ball valve 29a with the normally closed interlock relay 84 of high temperature oil way solenoid valve of low temperature oil circuit solenoid valve normally opened relay 82 interlock; High temperature oil circuit oil return solenoid valve 44a and corresponding the closing of high temperature pallet oil return solenoid valve 44A, oil circuit switches to low temperature hydraulic oil road 520;
Adopted automatic transmission thermocycling platform electrohydraulic control system scheme of the present invention, can realize control, and can realize the interlocking control of high low temperature oil circuit hydraulic system temperature, flow, pressure; Adopt the scheme of directly control and TCU Redundant Control, can be implemented in the simulation test of the automatic speed transmission electrohydraulic control system performance under the complex working condition.
Above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims (8)

1. the electrohydraulic control system of an automatic transmission valve body thermocycling platform comprises electric control system and high low temperature hydraulic system, it is characterized in that:
(1) electric control system comprises host computer (401), slave computer (402), input/output module (403) and TCU controller (424); Connect through netting twine (410) between host computer (401) and the slave computer (402) and control; Input/output module (403) is connected with slave computer (402) with the dual redundant control system that TCU controller (424) constitutes; Tested valve body (6) directly receives the control of this heavy redundancy control system, also comprises the warning device that is connected with input/output module (403);
(2) the high low temperature hydraulic system high temperature hydraulic circuit (510) that comprises independent control and low temperature hydraulic oil road (520), the shared oil circuit of high low temperature (500) that is connected with the low temperature hydraulic oil road with the high temperature hydraulic circuit; The test solution pressing system (530) that is connected with the shared oil circuit of high low temperature, tested valve body (6) are located in the test solution pressing system (530); High low temperature hydraulic system is connected with slave computer (402) through input/output module (403).
2. the electrohydraulic control system of a kind of automatic transmission valve body thermocycling platform according to claim 1 is characterized in that: said host computer (401) comprises mouse (411), keyboard (412), main frame (413), display (414);
Said slave computer (402) comprises cabinet (415), AO1 simulation output (416), real-time processor (417), A/D analog to digital conversion (418), internal storage location (419), CAN communication module (420), AO2 simulation output (421), the input and output (422) of DIO numeral.
3. the electrohydraulic control system of a kind of automatic transmission valve body thermocycling platform according to claim 1 and 2 is characterized in that: high-temperature pump servomotor controller (427), cryopump servomotor controller (428), high temperature proportional solenoid valve control device (429), low temperature proportional solenoid valve control device (430), intelligent triac controller (431), resistor-type temperature signal regulation module (425), flow displaying instrument (426), PWM modulator (432) and power amplifier (433) that said input/output module (403) comprises terminal box (423), is connected with terminal box.
4. the electrohydraulic control system of a kind of automatic transmission valve body thermocycling platform according to claim 1 and 2 is characterized in that: said high temperature hydraulic circuit (510) comprises that an end gets into high temperature flowline (201) through high temperature fuel tank (23), oil-feed stop valve (25), oil suction filtrator (26), high temperature gear pump (27), high temperature hydraulic pressure fine filter (28a), high temperature hydropneumatic ball valve (29a); One end is through high temperature flowline (201), high temperature hydropneumatic ball valve (29a), and through high temperature proportion magnetic valve (16a) and high temperature deadweight safety valve (17a), gets back to high temperature fuel tank (23) through high temperature oil returning tube (210);
Be connected with the high temperature ball valve (20a) of draining the oil with high temperature fuel tank (23); Be located at high temperature fuel tank heater (24) and cooling refrigeratory (21) in the high temperature fuel tank; The high-temperature water cooling solenoid valve (34) and the cooling water filter (35) that are connected with cooling refrigeratory (21); One end stretches into high temperature oil oven temperature, degree sensor (33a), high-temperature systems level switch (32a), high temperature tank gauge (22a), high temperature fuel tank air cleaner (31a) and the high temperature oil box mixer (10a) in the high temperature fuel tank, the high temperature oil circuit motor coupler (50a) and the high-temperature pump servomotor (15a) that also comprise the high-temperature pipe tensimeter (7a) that is located on the high temperature flowline (201), be connected with high temperature gear pump (27); High-temperature pump servomotor (15a) and high-temperature pump servomotor scrambler (60) are connected with high-temperature pump servomotor controller (427) in the input/output module (403); High temperature proportion magnetic valve (16a) is connected with high temperature proportional solenoid valve control device (429) in the input/output module (403); High temperature fuel tank heater (24) is connected with intelligent triac controller (431) in the input/output module (403); High temperature oil oven temperature, degree sensor (33a) is connected with resistor-type temperature signal regulation module (425) in the input/output module (403) and is connected with TCU controller (424) simultaneously; Heater surfaces temperature sensor (62) is connected with terminal box (423) in the input/output module (403), and high-temperature systems level switch (32a) is connected with terminal box (423) in the input/output module (403).
5. the electrohydraulic control system of a kind of automatic transmission valve body thermocycling platform according to claim 1 and 2; It is characterized in that: said low temperature hydraulic oil road (520) comprises that an end gets into low temperature flowline (202) through low temperature fuel tank (12), low temperature fuel sucking pipe (13), low temperature gear-type pump (14), low temperature hydraulic pressure fine filter 28 (b), low temperature hydropneumatic ball valve (29b), and an end is got back to low temperature fuel tank (12) through low temperature flowline (202), low temperature hydropneumatic ball valve (29b) and through low temperature proportion magnetic valve (16b), low temperature deadweight safety valve (17b) through low temperature oil returning tube (211);
The low temperature that is connected with low temperature fuel tank (12) ball valve (20b) of draining the oil; One end stretches into low temperature fuel tank temperature sensor (33b), cryogenic system level switch (32b), low temperature fuel tank air cleaner (31b), low temperature tank gauge (22b) and the low temperature fuel tank stirrer (10b) in the low temperature fuel tank (12), the low temperature oil circuit motor coupler (50b) and the cryopump servomotor (15b) that also comprise the cryogenic piping tensimeter (7b) that is located on the low temperature flowline (202), be connected with low temperature gear-type pump (14); Cryopump servomotor (15b) and cryopump servomotor scrambler (61) are connected with cryopump servomotor controller (428) in the input/output module (403); Low temperature proportion magnetic valve (16b) is connected with low temperature proportional solenoid valve control device (430) in the input/output module (403); Low temperature fuel tank temperature sensor (33b) is connected with resistor-type temperature signal regulation module (425) in the input/output module (403) and is connected with controller TCU (424) simultaneously, and cryogenic system level switch (32b) is connected with terminal box (423) in the input/output module (403).
6. the electrohydraulic control system of a kind of automatic transmission valve body thermocycling platform according to claim 1 and 2; It is characterized in that: the shared oil circuit of said high low temperature (500) comprises the main inflow pipeline (205) that is connected with low temperature flowline (202) through tee pipe fitting and high temperature flowline (201); The working connection flow speed control valve (18) that is connected with main inflow pipeline, the four-way pipe fitting that first end is connected with the working connection flow speed control valve; Accumulation of energy oil line pipe (208) that is connected with four-way pipe fitting second end and accumulator stop valve (37) and accumulator (38); The tested valve body inflow pipeline (206) that is connected with four-way pipe fitting the 3rd end and establish inflow pipeline flowmeter (39a), inflow pipeline tensimeter (7c), inflow pipeline temperature sensor (33c), inflow pipeline pressure transducer (41a) and hydraulic quick coupler (45) above that; The bypass flow that is connected with four-way pipe fitting the 4th end is regulated pipeline (203); Bypass flow is regulated pipeline through establishing above that bypass ball valve (42), bypass from flow speed control valve (43), and oil returning tube flowmeter (39b), hydraulic quick coupler (45) and oil returning tube pressure transducer (41g) are connected with tested valve body oil returning tube (207); Be located at bypass flow regulate on the pipeline (203) bypass from an end of the four-way pipe fitting between flow speed control valve (43) and the oil returning tube flowmeter (39b) through the valve body high temperature oil circuit oil returning tube (204) that is provided with high temperature oil circuit oil return solenoid valve (44a) be connected with high temperature oil returning tube (210), the other end is connected with low temperature oil returning tube (211) through the valve body low temperature oil circuit oil returning tube (9) that is provided with low temperature oil circuit oil return solenoid valve (44b); Inflow pipeline temperature sensor (33c) is connected with resistor-type temperature signal regulation module (425) in the input/output module (403) and is connected with controller TCU simultaneously; Inflow pipeline flowmeter (39a) and oil returning tube flowmeter (39b) respectively with input/output module (403) in flow displaying instrument (426) be connected, inflow pipeline pressure transducer (41a) and oil returning tube pressure transducer (41g) respectively with input/output module (403) in terminal box (423) be connected.
7. the electrohydraulic control system of a kind of automatic transmission valve body thermocycling platform according to claim 1 and 2; It is characterized in that: said test solution pressing system (530) comprise with the shared oil circuit of high low temperature (500) in the tested valve body (6) that is connected with tested valve body oil returning tube (207) of tested valve body inflow pipeline (206), the strange clutch coupling (48a) that docks with tested valve body oil circuit through hydraulic quick coupler (45) respectively, even clutch coupling (48b), be located at clutch lubrication oil circuit and spool be the pressure transducer (41) on the lubricant passage way respectively; Strange clutch pressure sensor (41b); Idol clutch pressure sensor (41c); Strange clutch lubrication pressure sensor (41d); Idol clutch lubrication pressure sensor (41e); Axle is lubrication pressure sensor (41f), be located at clutch lubrication oil circuit and axle respectively is that strange clutch lubrication flow meter (39c) on the lubricant passage way, even clutch lubrication flow meter (39d), axle are lubrication flow meter (39e); Be located at the throttling valve (47a) on the strange clutch lubricant passage way, the throttling valve (47b) on the even clutch lubricant passage way; Be located at axle and be fluid refrigeratory (46) on the lubricant passage way be located at oil temperature sensor (33d) and cooling back oil temperature sensor (33e) before the cooling before and after the fluid refrigeratory respectively, with the clutch lubrication oil circuit with spool be that lubricant passage way exports corresponding oil return pallet (49); The oil return pallet is connected with high temperature oil returning tube (210) through the high temperature pallet oil returning tube (209) that is provided with high temperature pallet oil return solenoid valve (44A), and is connected with low temperature oil returning tube (211) through the low temperature pallet oil returning tube (8) that is provided with low temperature pallet oil return solenoid valve (44B).
8. the electrohydraulic control system of a kind of automatic transmission valve body thermocycling platform according to claim 1 and 2; It is characterized in that: the low temperature fuel tank (12) of low temperature hydraulic oil road (520) is located in the industrial refrigerator (11); The break-make of the low temperature stirring motor auxiliary reclay (72) through controlling industrial refrigerator motor auxiliary reclay (77) and low temperature fuel tank stirrer (10b) realizes the control to low temperature fuel tank (12) oil temperature.
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CN103308293A (en) * 2013-05-17 2013-09-18 武汉工程大学 High temperature valve detecting and testing system
CN103792081A (en) * 2014-02-13 2014-05-14 中国北方车辆研究所 Magnetic valve high-temperature reliability testing device for shifting and method thereof
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CN105955337A (en) * 2016-06-30 2016-09-21 苏州奥德机械有限公司 Quick-cooling and quick-heating fast automatic switching temperature control system
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CN104470333B (en) * 2014-12-08 2016-10-19 中国船舶工业系统工程研究院 A kind of compatible type aircraft liquid cool equipment
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CN109339980A (en) * 2018-09-07 2019-02-15 北京航天发射技术研究所 A kind of vehicle-mounted removable hydraulic-driven pump type media feed system
CN109973805A (en) * 2019-04-15 2019-07-05 扬力集团股份有限公司 A kind of press machine lubricating oil temperature regulating system and its oil temperature adjusting method
CN111090263A (en) * 2018-10-23 2020-05-01 杨宇 Customized intelligent production line control system and control method
CN111536100A (en) * 2020-04-30 2020-08-14 肇庆学院 Temperature control system and temperature control method for high-acceleration test bed of hydraulic element
CN112901573A (en) * 2021-01-15 2021-06-04 四川大学 Calibration platform temperature and pressure alternative control system and control method thereof
CN113049241A (en) * 2021-04-13 2021-06-29 哈尔滨东安汽车发动机制造有限公司 8-speed automatic transmission switch valve responsiveness test device and test method
CN113899545A (en) * 2021-10-09 2022-01-07 联合汽车电子（重庆）有限公司 Electronic throttle valve comprehensive test system and test method

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CN102944420A (en) * 2012-11-29 2013-02-27 吉林大学 Dual-clutch automatic transmission hydraulic module performance test platform and method
CN103308293A (en) * 2013-05-17 2013-09-18 武汉工程大学 High temperature valve detecting and testing system
CN103308293B (en) * 2013-05-17 2016-04-13 武汉工程大学 A kind of high temperature valve detection experiment system
CN103792081A (en) * 2014-02-13 2014-05-14 中国北方车辆研究所 Magnetic valve high-temperature reliability testing device for shifting and method thereof
CN104198175A (en) * 2014-09-10 2014-12-10 安徽江淮汽车股份有限公司 Solenoid valve test system
CN104634023A (en) * 2014-12-08 2015-05-20 中国船舶工业系统工程研究院 Fluid flow control system and variable flow control method
CN104470333B (en) * 2014-12-08 2016-10-19 中国船舶工业系统工程研究院 A kind of compatible type aircraft liquid cool equipment
CN105974967B (en) * 2016-06-30 2019-04-30 苏州奥德机械有限公司 A kind of quick-cooling and quick-warming that security performance is high automatic switchover temperature-controlling system
CN105955337A (en) * 2016-06-30 2016-09-21 苏州奥德机械有限公司 Quick-cooling and quick-heating fast automatic switching temperature control system
CN105974967A (en) * 2016-06-30 2016-09-28 苏州奥德机械有限公司 Quick cooling and quick heating automatic switching temperature control system with high safety performance
CN106020268A (en) * 2016-06-30 2016-10-12 苏州奥德机械有限公司 Quick-cooling quick-heating automatic switching temperature control system with characteristic of secure and precise control
CN107725506A (en) * 2017-10-23 2018-02-23 天津世仓工业设备有限公司 A kind of numerical control press electrohydraulic servo-controlling system
CN109339980A (en) * 2018-09-07 2019-02-15 北京航天发射技术研究所 A kind of vehicle-mounted removable hydraulic-driven pump type media feed system
CN111090263A (en) * 2018-10-23 2020-05-01 杨宇 Customized intelligent production line control system and control method
CN111090263B (en) * 2018-10-23 2023-11-28 杨宇 Customized intelligent production line control system and control method
CN109973805A (en) * 2019-04-15 2019-07-05 扬力集团股份有限公司 A kind of press machine lubricating oil temperature regulating system and its oil temperature adjusting method
CN109973805B (en) * 2019-04-15 2021-02-19 扬力集团股份有限公司 Press machine lubricating oil temperature adjusting system and oil temperature adjusting method thereof
CN111536100A (en) * 2020-04-30 2020-08-14 肇庆学院 Temperature control system and temperature control method for high-acceleration test bed of hydraulic element
CN112901573A (en) * 2021-01-15 2021-06-04 四川大学 Calibration platform temperature and pressure alternative control system and control method thereof
CN112901573B (en) * 2021-01-15 2022-04-29 四川大学 Calibration platform temperature and pressure alternative control system and control method thereof
CN113049241A (en) * 2021-04-13 2021-06-29 哈尔滨东安汽车发动机制造有限公司 8-speed automatic transmission switch valve responsiveness test device and test method
CN113049241B (en) * 2021-04-13 2022-10-11 哈尔滨东安汽车发动机制造有限公司 8-speed automatic transmission switch valve responsiveness test device and test method
CN113899545A (en) * 2021-10-09 2022-01-07 联合汽车电子（重庆）有限公司 Electronic throttle valve comprehensive test system and test method

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