CN108843655A - A kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform - Google Patents
A kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform Download PDFInfo
- Publication number
- CN108843655A CN108843655A CN201810961234.0A CN201810961234A CN108843655A CN 108843655 A CN108843655 A CN 108843655A CN 201810961234 A CN201810961234 A CN 201810961234A CN 108843655 A CN108843655 A CN 108843655A
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- valve
- oil
- fuel tank
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Abstract
The invention discloses a kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform, including hydraulic transmission and oil-temperature control device, hydraulic transmission includes fuel tank, hydraulic pump and proportional reversing valve；The import of hydraulic pump is connected to by pipeline with fuel tank, and hydraulic pump is connected to motor；The outlet of hydraulic pump is connected by the import of pipeline and proportional reversing valve, which is equipped with check valve；The outlet of proportional reversing valve is connect by pipeline with the oil inlet of automatic speed transmission electrohydraulic module, and the oil outlet of each gear of automatic speed transmission electrohydraulic module is separately connected an oil return line, and oil-temperature control device can control the oil temperature in fuel tank.The present invention is able to carry out the static and dynamic performance test of automatic speed transmission electrohydraulic module, also the relationship and changing rule between the environmental factors such as electro-hydraulic module static and dynamic performance and oil temperature, oil pressure can be studied, provides basis for the mathematic simulated mode of electro-hydraulic module static and dynamic performance analysis to establish.
Description
Technical field
The invention belongs to automatic transmission the field of test technology, are specifically related to a kind of automatic speed transmission electrohydraulic modular environment
Adaptive testing platform.
Background technique
With the variation that market needs, to solve the problems, such as that automatic speed transmission electrohydraulic module volume is excessive, structure type
Gradually develop in terms of split type past monoblock type.Integral type electrohydraulic module valve body oil duct is complicated, and the parameters such as oil duct wall thickness are limited by
The influence of die cast precision, while valve opening is directly process on valve body, these typical Small and Deep Hole Machining precision
Also lower than traditional steel valve pocket precision, at the same aluminium alloy valve body thermal deformation and flexible deformation it is also bigger than steel valve pocket, influence
Gap and oil sealing strip length between main valve plug valve pocket；The coil resistance of pilot solenoid valve also easily becomes with temperature change simultaneously
Change.These factors can all cause when use environment changes, and the sound state control characteristic of electro-hydraulic module can occur certain
Variation, influences the Control platform of speed changer, in certain circumstances, results even in control failure, influences traffic safety
Property.The environmental suitability test of electro-hydraulic module has important meaning for the structure inhibition of electro-hydraulic module.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of structure is simple, easy to operate automatic speed transmission electrohydraulic
Modular environment adaptive testing platform, it can test electro-hydraulic modular environment adaptability, set for the optimization of electro-hydraulic modular structure
Meter provides technical support.
The technical solution adopted by the present invention is that：A kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform, including liquid
It presses transmission device and oil-temperature control device, hydraulic transmission includes fuel tank, hydraulic pump and proportional reversing valve；The hydraulic pump
Import be connected to fuel tank by pipeline, hydraulic pump is connected to motor；The outlet of hydraulic pump passes through pipeline and proportional reversing valve
Import connection, the pipeline are equipped with check valve；The outlet of proportional reversing valve is connect by pipeline with the oil inlet of electro-hydraulic module, should
Pipeline is equipped with flowmeter, pressure gauge and pressure sensor；Each gear of the automatic speed transmission electrohydraulic module it is fuel-displaced
Mouth is separately connected an oil return line, and oil return line is equipped with pressure sensor, solenoid directional control valve and filter；Control unit difference
With the electricity on the pressure sensor and oil return line in motor, proportional reversing valve, proportional reversing valve and electro-hydraulic module connecting pipe
Magnetic reversal valve is connected with pressure sensor；The oil-temperature control device can control the oil temperature in fuel tank.
In above-mentioned automatic speed transmission electrohydraulic modular environment adaptive testing platform, the check valve and proportional reversing valve
It is set on the pipeline of import connection there are two the branch pipe for the fuel tank that is linked back, a branch pipe is equipped with safety valve；Another branch pipe is equipped with accumulation of energy
Device, pressure sensor and proportional pressure control valve, pressure sensor and proportional pressure control valve are connect with control unit respectively, accumulator with should
Another branch pipe connecting line is equipped with throttle valve, and pressure sensor and another branch pipe junction are equipped with pressure switch, and pressure is opened
Pass is connect with control unit.
In above-mentioned automatic speed transmission electrohydraulic modular environment adaptive testing platform, the fuel tank is equipped with liquid level indicator
And temperature indicator；The pipeline that fuel tank is connect with hydraulic pump inlet is equipped with filter, and hydraulic pump is using bidirectional variable liquid
Press pump.
In above-mentioned automatic speed transmission electrohydraulic modular environment adaptive testing platform, the oil-temperature control device includes hydraulic
Pump II, hydraulic pump II is connect with motor II；The inlet and outlet of hydraulic pump II passes through pipeline respectively and is connected to fuel tank；Hydraulic pump II
The pipeline that is connect with fuel tank of import be equipped with filter；Connect there are two being set on the pipeline that the outlet of hydraulic pump II is connected to fuel tank
The bye-pass of oil return box and check valve with spring；Two bye-passes are between hydraulic pump II and the check valve with spring；One
A bye-pass is equipped with solenoid directional control valve and heater, and another bye-pass is equipped with solenoid directional control valve and cooler；Two bye-passes
On solenoid directional control valve and motor II connect respectively with control unit.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can carry out static and dynamic performance to electro-hydraulic module
Test, using data such as test obtained electro-hydraulic module power, flows, integrated structure parameter, theoretical model, to can not real-time monitoring
Spool valve opening gap, damping hole size, the parameters such as sealant band width, establish the Interpolate estimation model or system reconfiguration of multidimensional
Model, to establish the mathematic simulated mode for the analysis of electro-hydraulic module static and dynamic performance；It is dynamic to can be used in studying electro-hydraulic module
Relationship and changing rule between the environmental factors such as static characteristic and oil temperature, oil pressure, to realize electro-hydraulic modular structure optimization design
Technical support is provided.
Detailed description of the invention
Fig. 1 is whole schematic diagram of the invention.
Fig. 2 is the schematic diagram of hydraulic transmission of the invention.
Fig. 3 is the schematic diagram of oil-temperature control device of the invention.
Specific embodiment
The present invention will be further described below with reference to the drawings.
As shown in Figure 1-Figure 3, the present invention includes hydraulic transmission and oil-temperature control device, and hydraulic transmission includes oil
Case 1, hydraulic pump 6, motor 5.1, proportional reversing valve 10 and control unit are equipped with liquid level indicator 2 and temperature on the fuel tank 1
Spend indicator 3.The hydraulic pump 6 is connected using bidirectional variable hydraulic pump, the import of hydraulic pump 6 by pipeline and fuel tank 1
Logical, which is equipped with filter 4.1, and hydraulic pump 6 is connect with motor 5.1, and the outlet of hydraulic pump 6 is commutated by pipeline and ratio
The import of valve 10 connects, which is equipped with the branch pipe of check valve 8 and two fuel tanks 1 that are linked back；Two branch pipes are located at 8 He of check valve
Between proportional reversing valve 10, a branch pipe is equipped with safety valve 7；Another branch pipe is equipped with accumulator 11,13.1 and of pressure sensor
Proportional pressure control valve 9, accumulator 11 and another branch pipe connecting line are equipped with throttle valve 12, and pressure sensor 13.1 is another with this
Branch pipe junction is equipped with pressure switch 14.
The outlet of proportional reversing valve 10 is connect by pipeline with the oil inlet of automatic speed transmission electrohydraulic module, is set on the pipeline
There are flowmeter 15, pressure gauge 16 and pressure sensor 13.2.Two gears of the automatic speed transmission electrohydraulic module it is fuel-displaced
Mouth is separately connected an oil return line, and the oil return line of a gear is equipped with pressure sensor 13.3, solenoid directional control valve 17.1
And filter 4.2；The oil return line of another gear is equipped with pressure sensor 13.4, solenoid directional control valve 17.2 and filter 4.3.
The oil-temperature control device includes hydraulic pump II 6.1, and hydraulic pump II 6.1 is connect with motor II 5.2；Hydraulic pump II
6.1 inlet and outlet passes through pipeline respectively and is connected to fuel tank 1.It is set on the pipeline that the import of hydraulic pump II 6.1 is connect with fuel tank 1
There is filter 4.4；Set that there are two the be linked back bye-passes and band of fuel tank 1 on the pipeline that the outlet of hydraulic pump II 6.1 is connected to fuel tank 1
The check valve 20 of spring；Two bye-passes are located between hydraulic pump II 6.1 and check valve 20 with spring；It is set on one bye-pass
There are solenoid directional control valve 17.3 and heater 18, another bye-pass is equipped with solenoid directional control valve 17.4 and cooler 19.The pressure
Force snesor 13.1, pressure sensor 13.2, pressure sensor 13.3, pressure sensor 13.4 respectively by data collecting card with
Control unit connection, the motor 5.1, motor II 5.2, solenoid directional control valve 17.1, solenoid directional control valve 17.2, solenoid directional control valve
17.3, solenoid directional control valve 17.4 and proportional reversing valve 10 are connect with control unit respectively.
When the present invention is used for electro-hydraulic module testing, concrete operations are as follows：
1. controlling 6 output flow 50L/min of hydraulic pump by motor 5.1.
2. the triggering pressure setting of pressure switch 14 is 0.5Mpa higher than the triggering pressure of safety valve 7, guarantor is lost in safety valve
Pressure switch can play the role of second and protect again when shield acts on, when charge oil pressure is more than pressure switch setting
Value, the signal that relay issues can control motor stalling.
3. 6 revolving speed of hydraulic pump be set separately 600rpm, 700rpm, 800rpm, 1000rpm, 1300rpm, 1800rpm,
2600rpm, 3500rpm, 5000rpm are respectively tested one time under each revolving speed, the temperature of test by Oil-temperature control loop settings-
40℃,-20℃,0℃,20℃,40℃,60℃,80℃,100℃.After the temperature for reaching setting, hydraulic revolution speed is adjusted to phase
Should be worth, investigate the pressure in entire circuit, each clutch, brake pressure sensor collection pressure value maximum overshoot value,
Stabilization time of pressure value, repeatable accuracy, linearity etc..
4. electro-hydraulic module leakage test, oil temperature be set as -40 DEG C, -20 DEG C, 0 DEG C, 20 DEG C, 40 DEG C, 60 DEG C, 80 DEG C,
100 DEG C, system pressure 0.5Mpa, 0.8MPa, 1Mpa, 1.2MPa, 1.5Mpa, 2MPa, electro-hydraulic module leakage rate is carried out respectively
Test.After temperature reaches setting value, regulating system pressure reaches analog value, past with every 10rpm since driving revolving speed 100rpm
On carry out incremental, until respective clutch pressure reaches setting value, and be that target is successively decreased down with 1rpm in this revolving speed, look for
To the final simulation revolving speed for reaching setting value and record.The above test respectively carries out primary under each gear and R gear.
Claims (4)
1. a kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform, including hydraulic transmission, oil-temperature control device and
Control unit, it is characterised in that：Hydraulic transmission includes fuel tank, hydraulic pump and proportional reversing valve；The hydraulic pump into
Mouth is connected to by pipeline with fuel tank, and hydraulic pump is connected to motor；The outlet of hydraulic pump passes through the import of pipeline and proportional reversing valve
Connection, the pipeline are equipped with check valve；The outlet of proportional reversing valve is connect by pipeline with the oil inlet of electro-hydraulic module, the pipeline
It is equipped with flowmeter, pressure gauge and pressure sensor；The oil outlet of each gear of the automatic speed transmission electrohydraulic module point
An oil return line is not connected, and oil return line is equipped with pressure sensor, solenoid directional control valve and filter；Control unit respectively with electricity
Machine, proportional reversing valve, proportional reversing valve and the electromagnetism on the pressure sensor and oil return line in electro-hydraulic module connecting pipe change
It is connected to valve with pressure sensor；The oil-temperature control device can control the oil temperature in fuel tank.
2. automatic speed transmission electrohydraulic modular environment adaptive testing platform according to claim 1, it is characterised in that：Described
It is set on the pipeline of the import connection of check valve and proportional reversing valve there are two the branch pipe for the fuel tank that is linked back, a branch pipe is equipped with safety
Valve；Another branch pipe is equipped with accumulator, pressure sensor and proportional pressure control valve, pressure sensor and proportional pressure control valve respectively with control
Unit connection processed, accumulator and another branch pipe connecting line are equipped with throttle valve, and pressure sensor is connect with another branch pipe
Place is equipped with pressure switch, and pressure switch is connect with control unit.
3. automatic speed transmission electrohydraulic modular environment adaptive testing platform according to claim 1, it is characterised in that：Described
Fuel tank is equipped with liquid level indicator and temperature indicator；The pipeline that fuel tank is connect with hydraulic pump inlet is equipped with filter, hydraulic
Pump is using bidirectional variable hydraulic pump.
4. automatic speed transmission electrohydraulic modular environment adaptive testing platform according to claim 1, it is characterised in that：Described
Oil-temperature control device includes hydraulic pump II, and hydraulic pump II is connect with motor II；The inlet and outlet of hydraulic pump II passes through pipe respectively
Road is connected to fuel tank；The pipeline that the import of hydraulic pump II is connect with fuel tank is equipped with filter；The outlet of hydraulic pump II and fuel tank
The check valve there are two the bye-pass for the fuel tank that is linked back and with spring is set on the pipeline of connection；Two bye-passes be located at hydraulic pump II with
Between check valve with spring；One bye-pass is equipped with solenoid directional control valve and heater, and another bye-pass is changed equipped with electromagnetism
To valve and cooler；Solenoid directional control valve and motor II on two bye-passes are connect with control unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961234.0A CN108843655B (en) | 2018-08-22 | 2018-08-22 | Test method for test bench for environmental adaptability of electro-hydraulic module of automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961234.0A CN108843655B (en) | 2018-08-22 | 2018-08-22 | Test method for test bench for environmental adaptability of electro-hydraulic module of automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108843655A true CN108843655A (en) | 2018-11-20 |
| CN108843655B CN108843655B (en) | 2020-09-22 |
Family
ID=64188218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810961234.0A Active CN108843655B (en) | 2018-08-22 | 2018-08-22 | Test method for test bench for environmental adaptability of electro-hydraulic module of automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843655B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020210976A1 (en) | 2020-08-31 | 2022-03-03 | Volkswagen Aktiengesellschaft | Control method, cooling oil circuit, control unit, motor vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737523A (en) * | 2004-08-17 | 2006-02-22 | 天津市天派工业自动化技术有限公司 | Test bench for automatic gear box control valve of automobile |
| CN101957258A (en) * | 2010-08-03 | 2011-01-26 | 无锡威锐科智能测控技术有限公司 | Testing device for CVT (Constant-Voltage Transformer) valve body performance testing |
| CN201730900U (en) * | 2010-06-18 | 2011-02-02 | 南通常测机电设备有限公司 | High-temperature hydraulic test system using normal temperature control valve |
| CN102878151A (en) * | 2012-09-19 | 2013-01-16 | 浙江大学 | Multifunctional test device for high-speed heavy duty hydraulic system |
| CN103671860A (en) * | 2013-12-26 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Cooling and lubricating system for dual-clutch automatic transmission |
| CN105092244A (en) * | 2015-09-15 | 2015-11-25 | 安徽精科检测技术有限公司 | Multifunctional clutch test stand |
-
2018
- 2018-08-22 CN CN201810961234.0A patent/CN108843655B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737523A (en) * | 2004-08-17 | 2006-02-22 | 天津市天派工业自动化技术有限公司 | Test bench for automatic gear box control valve of automobile |
| CN201730900U (en) * | 2010-06-18 | 2011-02-02 | 南通常测机电设备有限公司 | High-temperature hydraulic test system using normal temperature control valve |
| CN101957258A (en) * | 2010-08-03 | 2011-01-26 | 无锡威锐科智能测控技术有限公司 | Testing device for CVT (Constant-Voltage Transformer) valve body performance testing |
| CN102878151A (en) * | 2012-09-19 | 2013-01-16 | 浙江大学 | Multifunctional test device for high-speed heavy duty hydraulic system |
| CN103671860A (en) * | 2013-12-26 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Cooling and lubricating system for dual-clutch automatic transmission |
| CN105092244A (en) * | 2015-09-15 | 2015-11-25 | 安徽精科检测技术有限公司 | Multifunctional clutch test stand |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020210976A1 (en) | 2020-08-31 | 2022-03-03 | Volkswagen Aktiengesellschaft | Control method, cooling oil circuit, control unit, motor vehicle |
| DE102020210976B4 (en) | 2020-08-31 | 2023-12-28 | Volkswagen Aktiengesellschaft | Control method, cooling oil circuit, control unit, motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108843655B (en) | 2020-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103471829B (en) | A kind of test stand of multi-way valve of hydraulic excavator | |
| CN112377487A (en) | Hydraulic comprehensive test platform | |
| CN103307342A (en) | Method for determining a fluid flow rate with a fluid control valve | |
| CN100445575C (en) | Method and arrangement for controlling at least two hydraulic consumers | |
| CN103335834A (en) | Throttle valve port performance test device | |
| CN102297181A (en) | Hydraulic control loop of hydraulic system performance test bench of automatic transmission | |
| CN103018047A (en) | Engine rig test device and engine water temperature control device | |
| CN104047925A (en) | Liquid viscosity transmission tester with hydraulic load device | |
| CN106762595B (en) | Load sensitive pump pilot system | |
| CN108843655A (en) | A kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform | |
| Linjama et al. | Modelling of flow characteristics of on/off valves | |
| CN201653689U (en) | Hydraulic system for belt wheel friction performance test stand of continuously variable transmission gear | |
| CN108895095B (en) | Pressure compensation control system of electro-hydraulic module | |
| CN109114071B (en) | Hydraulic automatic oil source block testing system | |
| CN214945442U (en) | Hydraulic motor test hydraulic system | |
| CN104329246A (en) | Test table used for detecting working performance of oil pump of intelligent drilling tool | |
| CN202140374U (en) | Multifunctional fatigue testing machine for energy accumulator | |
| CN202149102U (en) | Novel test bed device of hydraulic valve | |
| CN112284740B (en) | Engine lubrication system function test mechanism | |
| CN204646621U (en) | A kind of simulated solution press pump carries out the device of hydraulic loaded | |
| CN210178681U (en) | Hydraulic motor actuator with adjustable damping | |
| CN206917836U (en) | Load sensitive pump pilot system | |
| CN100588835C (en) | Double pumps displacement water turbine speed regulating means | |
| DE102011012152B4 (en) | Method and device for feeding a measuring electronics | |
| CN218564030U (en) | Novel compact weather-resistant hydraulic pump station with highly integrated pressure control function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |