CN208537162U - A kind of speed changer rack oil temperature stability test simulation real vehicle refrigerant control - Google Patents
A kind of speed changer rack oil temperature stability test simulation real vehicle refrigerant control Download PDFInfo
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- CN208537162U CN208537162U CN201820911080.XU CN201820911080U CN208537162U CN 208537162 U CN208537162 U CN 208537162U CN 201820911080 U CN201820911080 U CN 201820911080U CN 208537162 U CN208537162 U CN 208537162U
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Abstract
The utility model discloses one kind to simulate real vehicle refrigerant control, including three groups of coolant liquid circulation loops, respectively main circulation loop, pressure-regulating overflow circuit, heat-exchanging loop for the oil temperature stability test of speed changer rack；The utility model cooperation speed changer rack is tested, real vehicle cooling condition control coolant temperature, flow and pressure and other parameters can accurately be simulated, it is automatically adjusted according to operating condition of test, it can carry out the long-time test under coolant liquid limit hot conditions, speed changer under efficient measuring limit operating condition balances oil temperature, and whether detection gearbox oil temperature ability meets vehicle demand.
Description
Technical field
The utility model relates to one kind to simulate real vehicle refrigerant control for the oil temperature stability test of speed changer rack,
In particular to a kind of for automatic transmission bench test simulation real vehicle heat dissipation circulating system control coolant temperature and flow
Experimental rig.
Background technique
Gearbox oil temperature stability test is that rack verifies an important ring, for verifying the balance under speed changer limiting condition
Whether oil temperature is up to standard.This test requirements document simulated on rack transmission gear under real vehicle limiting condition, engine speed and
A variety of conditions such as torque, coolant temperature and flow and environment temperature, to measure the highest oil temperature that speed changer can reach.Mesh
Preceding fluid temperature controlling instruments in the market has a single function, and control while being unable to satisfy flow, pressure and temperature leads to not pass through
Simple temperature regulating device accurately simulates real vehicle cooling condition and carries out test.
By technical investigation and detailed search, its principle of transmission test temperature regulating device is to establish speed changer profit at present
Lubricating oil external circulating system accesses circulation line by external temperature regulating device, controls transmission oil temperature, patent
A kind of speed changer cooling system disclosed in CN205260785U only provides the cooling heat dissipation of transmission oil, can not provide and add
Heat function, transmission oil temperature control system disclosed in patent CN201503346U, CN103635670A, CN104234812A,
It can provide cooling and the heating function of gearbox oil temperature, but not can be implemented simultaneously including coolant rate and pressure and other parameters, nothing
Method simulates the cooling heat dissipation operating condition of real vehicle, and function is more single.Based on the above issues, a set of speed changer rack oil temperature is devised to stablize
Property test simulation real vehicle refrigerant control.
Summary of the invention
The utility model designs and develops out a set of speed changer according to speed changer real vehicle coolant liquid circulating pipeline structure and principle
Refrigerant control, device cooperation speed changer rack are tested, and real vehicle cooling condition control coolant liquid can be accurately simulated
Temperature, flow and pressure and other parameters, automatically adjust according to operating condition of test, when can carry out long under coolant liquid limit hot conditions
Between test, speed changer under efficient measuring limit operating condition balances oil temperature, and whether detection gearbox oil temperature ability meets vehicle demand.
The technical solution of the utility model is as follows, in conjunction with attached drawing:
One kind simulating real vehicle refrigerant control, including three groups of coolant liquids for the oil temperature stability test of speed changer rack
Circulation loop, respectively main circulation loop, pressure-regulating overflow circuit, heat-exchanging loop；The heat-exchanging loop include heat exchanger 15 and
Intermediate medium temperature regulating device 1；The main circulation loop includes coolant inlet flow control electromagnetic valve 3, flow sensor 6, cold
But liquid inlet temperature sensor 8 and cooling liquid outlet temperature sensor 10；The pressure-regulating overflow circuit includes coolant pump 14, overflows
Flow tube road flow control electromagnetic valve 7 and cooling water tank 12；Coolant liquid is delivered to heat exchanger 15 via coolant pump 14, hands in heat
The intermediate medium exported in parallel operation 15 with intermediate medium temperature regulating device 1 carries out heat exchange；The pressure-regulating overflow circuit and major cycle
Circuit is in parallel by coolant inlet threeway 2 and cooling liquid outlet threeway 11；The outlet of heat exchanger 15 connection coolant inlet three
Logical 2, a part of coolant liquid enters main circulation loop via coolant inlet threeway 2, successively via coolant inlet flow control
Solenoid valve 3 carries out flow adjusting, and flow sensor 6 carries out flow measurement and coolant inlet temperature sensor 8 carries out temperature survey
Enter transmission oil cooler after amount to cool down transmission oil；Another part coolant liquid is via coolant inlet threeway
2 enter pressure-regulating overflow circuit, set gradually overflow passage flow control electromagnetic valve 7 and cooling water tank 12 on pressure-regulating overflow circuit,
The flow of coolant liquid in pressure-regulating overflow circuit is adjusted by overflow passage flow control electromagnetic valve 7.
Described one kind simulates real vehicle refrigerant control for the oil temperature stability test of speed changer rack, and major cycle is returned
Road is additionally provided with coolant inlet switch valve 5；Overflow passage switch valve 4 is additionally provided on the pressure-regulating overflow circuit.
By adopting the above-described technical solution, the utility model passes through the flow control electromagnetism in main line and bypass line
Three elements of valve and changeable flow coolant pump continuously adjust the flow and pressure of fluid in heat exchanging pipe, while by external
Fluid carries out heat exchange in heat exchange loop, with main line, controls fluid temperature (F.T.) in entire circulation line, simulation real vehicle heat dissipation control
Parameter processed carries out the qualitative bench test of oil temperature temperature, has many advantages, such as to control high, continuously adjustable, the efficient measurement of precision.
Detailed description of the invention
Fig. 1 show simulation real vehicle refrigerant control structural schematic diagram described in the utility model.
In figure: 1. intermediate medium temperature regulating devices；2. coolant inlet threeway；3. coolant inlet flow control electromagnetic valve；
4. overflow passage switch valve；5. coolant inlet switch valve；6. flow sensor；7. overflow passage flow control electromagnetic valve；8.
Coolant inlet temperature sensor；9. transmission assembly；10. cooling liquid outlet temperature sensor；11. cooling liquid outlet threeway；
12. cooling water tank；13. tank outlet threeway；14. coolant pump；15. heat exchanger.
Specific embodiment
The utility model is elaborated with reference to the accompanying drawing, so as to can be easier to the advantages of the utility model with feature
In being readily appreciated by one skilled in the art, to be more clearly defined to the protection scope of the utility model.
It is made of the circulatory system, measurement and control system, wherein the circulatory system mainly includes coolant liquid circulation line, opens
The components such as valve, coolant pump and cooling water tank are closed, measurement and control system mainly include sensor, solenoid valve, intermediate medium control
Warm device and heat exchanger and other component.Present apparatus coolant liquid circulation loop can be divided into three groups, and connection type is as shown in Figure 1.The
One group of circulation loop is main circulation loop, and main circulation loop major function is flow adjusting, and circuit includes: coolant inlet flow
Control solenoid valve 3, coolant inlet switch valve 5, flow sensor 6, coolant inlet temperature sensor 8 and cooling liquid outlet temperature
Spend sensor 10；Coolant liquid through thus section circulation line directly pass in and out transmission oil cooler to transmission oil carry out it is cold
But, which is equipped with flow control electromagnetic valve, and control enters the coolant rate of transmission oil cooler, meanwhile, in speed changer
Oil cooler inlet is equipped with flow and temperature sensor, and acquisition enters the coolant temperature and flow of transmission oil cooler.
Second group of circulation line is pressure-regulating overflow circuit, and pressure-regulating overflow circuit major function is auxiliary adjustment flow and pressure regulation, circuit master
Include: coolant pump 14, overflow passage switch valve 4, overflow passage flow control electromagnetic valve 7 and cooling water tank 12；Pass through tune
Flow control electromagnetic valve in pressurized overflow circuit adjusts assignment of traffic in pipeline, and then indirectly controls coolant pressure in pipeline；
Third group circulation loop is heat-exchanging loop, and heat-exchanging loop major function is temperature control, and circuit mainly includes: heat exchanger 15, intermediate
Medium temperature regulating device 1, heat-exchanging loop carry out heat exchange by the coolant liquid in heat exchanger and temperature regulating device and major cycle pipeline,
And then control coolant temperature in major cycle pipeline.The interaction of three groups of circulation loops, coolant temperature in continuous control device,
Flow and pressure achieve the purpose that simulate real vehicle cooling.
A kind of speed changer rack oil temperature stability test simulation real vehicle refrigerant control, comprising:
Intermediate medium temperature regulating device 1: the temperature for intermediate medium controls；
Coolant inlet threeway 2: the shunting for coolant liquid in major cycle pipeline and overflow passage；
Coolant inlet flow control electromagnetic valve 3: for controlling the coolant rate for entering transmission oil cooler；
Overflow passage switch valve 4: for controlling the switch of main line；
Coolant inlet switch valve 5: for controlling the switch of overflow passage；
Flow sensor 6: for measuring the coolant rate for entering transmission oil cooler；
Overflow passage flow control electromagnetic valve 7: for controlling the coolant rate for entering overflow passage；
Coolant inlet temperature sensor 8: for measuring the coolant temperature of transmission oil cooler entrance；
Cooling liquid outlet temperature sensor 10: for measuring the coolant temperature of transmission oil cooler outlet；
Cooling liquid outlet threeway 11: the reflux for coolant liquid in major cycle pipeline and overflow passage；
Cooling water tank 12: pressure release is overflowed for coolant liquid filling and because of the coolant liquid of high-boiling and vaporized expanding；
Tank outlet threeway 13: the connection for major cycle pipeline and water tank；
Coolant pump 14: the conveying for coolant liquid in circulation line；
Heat exchanger 15: the heat exchange for coolant liquid and intermediate medium.
The specific working principle is as follows:
Before operation, coolant liquid is injected into circulation line by cooling water tank 12, when device works, coolant liquid is via cooling
Liquid pump 14 is delivered to heat exchanger 15, carries out heat exchange in the intermediate medium wherein exported with intermediate medium temperature regulating device 1, heat is handed over
Parallel operation outlet connection coolant inlet threeway 2, a part of coolant liquid enters major cycle pipeline via entrance threeway, via coolant liquid
Inflow control solenoid valve 3 carries out flow adjusting, flow sensor 6 carries out flow measurement and coolant inlet temperature sensor
Enter transmission oil cooler after 8 progress temperature measurements to cool down transmission oil, another part coolant liquid is via entering
Mouth threeway enters overflow passage, and the flow of coolant liquid in overflow passage is adjusted by overflow passage flow control electromagnetic valve 7, thus
Pressure in auxiliary adjustment circulation line.
Closed-loop control is taken in coolant liquid temperature regulating device temperature control, and coolant inlet temperature sensor 8 will be collected
Temperature signal is sent in intermediate medium temperature regulating device 1, and temperature regulating device adjusts temperature of middle medium according to temperature signal, and centre is situated between
Matter and coolant liquid carry out heat exchange in heat exchanger 15, to change the coolant liquid into coolant inlet temperature sensor 8
Temperature, if intermediate medium temperature regulating device without automatic regulation function, can external data acquisition device temperature collection signal, manually adjust
Intermediate medium temperature regulating device desired temperature carries out temperature control；Opened loop control is taken in flow control, is acquired according to flow sensor 6 cold
But liquid inlet flow rate signal adjusts overflow passage flow control electromagnetic valve and coolant inlet flow control electromagnetic valve aperture, adjusts
Section enters the coolant rate of transmission oil cooler.Currently, the utility model has application in test, fully meets test and want
It asks.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (2)
1. real vehicle refrigerant control is simulated in a kind of speed changer rack oil temperature stability test, which is characterized in that including three groups
Coolant liquid circulation loop, respectively main circulation loop, pressure-regulating overflow circuit, heat-exchanging loop；The heat-exchanging loop includes heat exchange
Device (15) and intermediate medium temperature regulating device (1)；The main circulation loop includes coolant inlet flow control electromagnetic valve (3), stream
Quantity sensor (6), coolant inlet temperature sensor (8) and cooling liquid outlet temperature sensor (10)；The pressure-regulating overflow returns
Road includes coolant pump (14), overflow passage flow control electromagnetic valve (7) and cooling water tank (12)；Coolant liquid is via coolant pump
(14) heat exchanger (15) are delivered to, in heat exchanger (15) with intermediate medium temperature regulating device (1) output intermediate medium into
Row heat exchange；The pressure-regulating overflow circuit and main circulation loop pass through coolant inlet threeway (2) and cooling liquid outlet threeway
(11) in parallel；Heat exchanger (15) outlet connection coolant inlet threeway (2), a part of coolant liquid is via coolant inlet threeway
(2) enter main circulation loop, successively carry out flow adjusting, flow sensor via coolant inlet flow control electromagnetic valve (3)
(6) enter transmission oil cooler to change after carrying out flow measurement and coolant inlet temperature sensor (8) progress temperature measurement
Fast device lubricating oil is cooled down；Another part coolant liquid enters pressure-regulating overflow circuit via coolant inlet threeway (2), and pressure regulation is overflow
It flows back to road and sets gradually overflow passage flow control electromagnetic valve (7) and cooling water tank (12), pass through overflow passage flow control
Solenoid valve (7) adjusts the flow of coolant liquid in pressure-regulating overflow circuit.
2. real vehicle refrigerant control is simulated in a kind of speed changer rack oil temperature stability test as described in claim 1,
It is characterized in that, coolant inlet switch valve (5) is additionally provided on the main circulation loop；It is additionally provided on the pressure-regulating overflow circuit excessive
Flow tube path switch valve (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911080.XU CN208537162U (en) | 2018-06-13 | 2018-06-13 | A kind of speed changer rack oil temperature stability test simulation real vehicle refrigerant control |
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|---|---|---|---|
| CN201820911080.XU CN208537162U (en) | 2018-06-13 | 2018-06-13 | A kind of speed changer rack oil temperature stability test simulation real vehicle refrigerant control |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901640A (en) * | 2019-04-09 | 2019-06-18 | 苏州华业检测技术服务有限公司 | A kind of laboratory's rack TOT Transmission Oil Temperature control water circle device |
| CN110243607A (en) * | 2019-07-12 | 2019-09-17 | 吉孚动力技术(中国)有限公司 | A kind of engine performance test stand frame oil temperature control system |
| CN110487537A (en) * | 2019-09-10 | 2019-11-22 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of transmission bench test oil temperature control system |
| CN111766079A (en) * | 2019-03-31 | 2020-10-13 | 上海华依科技集团股份有限公司 | Engine oil temperature control method applied to pure electric vehicle gearbox bench test |
| CN112130066A (en) * | 2020-08-12 | 2020-12-25 | 东风博泽汽车系统有限公司 | Test tool for gearbox motor |
| CN112833662A (en) * | 2021-01-19 | 2021-05-25 | 北京北方华创微电子装备有限公司 | Temperature adjusting device and semiconductor processing equipment |
| CN115390595A (en) * | 2022-08-22 | 2022-11-25 | 奇瑞汽车股份有限公司 | Lubricating oil temperature adjusting device and engine bench test system |
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2018
- 2018-06-13 CN CN201820911080.XU patent/CN208537162U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766079A (en) * | 2019-03-31 | 2020-10-13 | 上海华依科技集团股份有限公司 | Engine oil temperature control method applied to pure electric vehicle gearbox bench test |
| CN109901640A (en) * | 2019-04-09 | 2019-06-18 | 苏州华业检测技术服务有限公司 | A kind of laboratory's rack TOT Transmission Oil Temperature control water circle device |
| CN110243607A (en) * | 2019-07-12 | 2019-09-17 | 吉孚动力技术(中国)有限公司 | A kind of engine performance test stand frame oil temperature control system |
| CN110243607B (en) * | 2019-07-12 | 2024-05-17 | 吉孚动力技术(中国)有限公司 | Engine oil temperature control system of engine performance test bed |
| CN110487537A (en) * | 2019-09-10 | 2019-11-22 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of transmission bench test oil temperature control system |
| CN112130066A (en) * | 2020-08-12 | 2020-12-25 | 东风博泽汽车系统有限公司 | Test tool for gearbox motor |
| CN112833662A (en) * | 2021-01-19 | 2021-05-25 | 北京北方华创微电子装备有限公司 | Temperature adjusting device and semiconductor processing equipment |
| CN112833662B (en) * | 2021-01-19 | 2024-01-05 | 北京北方华创微电子装备有限公司 | Temperature adjusting device and semiconductor processing equipment |
| CN115390595A (en) * | 2022-08-22 | 2022-11-25 | 奇瑞汽车股份有限公司 | Lubricating oil temperature adjusting device and engine bench test system |
| CN115390595B (en) * | 2022-08-22 | 2023-06-27 | 奇瑞汽车股份有限公司 | Lubricating oil temperature adjusting device and engine bench test system |
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