CN208155484U - A kind of Oil-temperature control system for gearbox test-bed - Google Patents
A kind of Oil-temperature control system for gearbox test-bed Download PDFInfo
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- CN208155484U CN208155484U CN201820627387.7U CN201820627387U CN208155484U CN 208155484 U CN208155484 U CN 208155484U CN 201820627387 U CN201820627387 U CN 201820627387U CN 208155484 U CN208155484 U CN 208155484U
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- heat exchanger
- oil
- gearbox
- bed
- temperature
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Abstract
The utility model discloses a kind of Oil-temperature control systems for gearbox test-bed, including heat exchanger and oil pump, the heat exchanger includes heat exchanger I and heat exchanger II, the primary side of the heat exchanger I connects the oil inlet and outlet of gearbox by fluid pressure line, the secondary end of heat exchanger I is connected with the secondary end of heat exchanger II, oil pump is located on the pipeline of heat exchanger I and heat exchanger II between the two, the primary side of heat exchanger II and the gearbox outer loop water phase of test-bed connect, and proportional control valve is equipped on circulating water pipe road.Automatic transmission fluid is cooled down using the outer circulation twin-stage type of cooling, is able to achieve the automatic control of automatic gear-box oil temperature, and Oil-temperature control range is wider；Substantially increase the control precision of TOT Transmission Oil Temperature.
Description
Technical field
The utility model relates to gearbox experimental technique fields, more particularly, to a kind of oil for gearbox test-bed
Temperature control system.
Background technique
Automobile gearbox testing stand is the important tool for verifying gearbox function and fatigue endurance, in entire gear box development
Important link is occupied in period.In gearbox validation test early period, generally require to control TOT Transmission Oil Temperature in a certain range
It is interior.When carrying out bench test, included oil cooled system system may be unable to accurately control temperature；And carrying out long-time high load
When test, since its included oil cooled system system cooling capacity is inadequate, the control of gear box oil temperature may be unable to satisfy and required, influenced
The accuracy of test result.
Utility model content
It is tested in view of the shortcomings of the prior art, the technical problem to be solved by the utility model is to provide one kind for gearbox
The Oil-temperature control system of rack, to reach, TOT Transmission Oil Temperature control range is wider and the purpose of precise control.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is：
This is used for the Oil-temperature control system of gearbox test-bed, including heat exchanger and oil pump, the heat exchanger packet
Heat exchanger I and heat exchanger II are included, the primary side of the heat exchanger I connects the disengaging oil of gearbox by fluid pressure line
Mouthful, the secondary end of heat exchanger I is connected with the secondary end of heat exchanger II, and oil pump is located at heat exchanger I and II liang of heat exchanger
On pipeline between person, the primary side of heat exchanger II and the gearbox outer loop water phase of test-bed connect, and in recirculated water
Pipeline is equipped with proportional control valve.
Further, the connecting line between the heat exchanger I and gearbox is equipped with temperature sensor and pressure passes
Sensor.
Connecting line between the heat exchanger I and heat exchanger II is equipped with temperature sensor and pressure sensor.
The circulating water pipe road is equipped with flow sensor.
The heat exchanger I and heat exchanger II are heat-exchangers of the plate type, and heat exchanger I and heat exchanger II are set side by side
It sets.
Connecting line between the heat exchanger I and heat exchanger II is equipped with for filling the manual of gear box oil
Valve.
The oil inlet and heat exchanger of connecting line and gearbox between the oil export and heat exchanger I of the gearbox
Temperature sensor and pressure sensor are equipped on connecting line between I.
The temperature sensor and pressure sensor correspond to the outlet end setting of oil pump.
The utility model compared with prior art, has the following advantages that：
The Oil-temperature control system structure design for being used for gearbox test-bed is reasonable, using the outer circulation twin-stage type of cooling
Automatic transmission fluid is cooled down, is able to achieve the automatic control of automatic gear-box oil temperature, and Oil-temperature control range is wider；
The control precision of TOT Transmission Oil Temperature is substantially increased, comprehensive temperature, pressure monitoring greatly improves the stability of equipment
With the degree of automation；The use of twin-stage heat-exchangers of the plate type, even if slightly leaking occurs in heat-exchangers of the plate type I, gearbox oil liquid
It will not be mixed into cooling water, greatly reduce the risk of test；It is easy to be transformed, the primary cooling water of heat-exchangers of the plate type II is become
For hot water, it can be realized and gear box oil is heated, even if gear box oil can also maintain a stabilization in low-load situation
Within the temperature range of.
Detailed description of the invention
Content expressed by each width attached drawing of this specification and the label in figure are briefly described below：
Fig. 1 is the utility model Oil-temperature control system schematic.
In figure：
1. heat exchanger I, 2. heat exchangers II, 3. oil pumps, 4. gearboxes, 5. temperature sensors I, 6. pressure sensors I,
7. temperature sensor II, 8. pressure sensors II, 9. temperature sensors III, 10. pressure sensors III, 11. flow sensors,
12. manual ball valve, 13. proportional control valves.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation.
As shown in Figure 1, this is used for the Oil-temperature control system of gearbox test-bed, including heat exchanger I 1, heat exchanger
II 2, oil pump 3, gearbox 4, temperature sensor I 5, pressure sensor I 6, temperature sensor II 7, pressure sensor II 8, temperature
Sensor III 9, pressure sensor III 10, flow sensor 11, manual ball valve 12, proportional control valve 13 and controller.
Heat exchanger I 1 and heat exchanger II 2 are heat-exchangers of the plate type, heat exchanger I and heat exchanger II and speed change
Case is arranged side by side, convenient for arrangement.
The primary side of heat exchanger I 1 connects the oil inlet and outlet of gearbox 4, heat exchanger I and gearbox by fluid pressure line
Between connecting line be equipped with temperature sensor and pressure sensor.Further, the oil export of gearbox and heat exchanger I
Between connecting line be equipped with temperature sensor I 5 and pressure sensor I 6, between the oil inlet and heat exchanger I of gearbox
Connecting line on be equipped with temperature sensor II 7 and pressure sensor II 8.One temperature of each installation is distinguished on disengaging oil pipe line
Whether degree, pressure sensor are normal for monitoring gearbox disengaging oil circulation.
The secondary end of heat exchanger I 1 is connected with the secondary end of heat exchanger II 2, and oil pump is located at heat exchanger I and heat exchange
On the pipeline of device II between the two, the connecting line between heat exchanger I and heat exchanger II is equipped with III 9 He of temperature sensor
Pressure sensor III 10；Connecting line between heat exchanger I and heat exchanger II is equipped with the hand for filling gear box oil
Dynamic valve, hand-operated valve are manual ball valve 12.The outlet end setting of temperature sensor III and the corresponding oil pump of pressure sensor III.
The oil pump that a controllable rotating speed is installed on fluid pressure line between heat exchanger I and heat exchanger II, passes through control
The revolving speed of liquefaction pump adjusts the flow of hydraulic oil in the pipeline.One is installed manually by three-way connection in the input end of oil pump
Ball valve opens the hand-operated valve, can be into the pipeline and the secondary end of heat exchanger I and heat exchanger II fills fluid drive
Case oil；It is also equipped with a temperature and pressure sensor in the outlet end of oil pump simultaneously, is for monitoring oil circulation in the pipeline
It is no normal.
The primary side of heat exchanger II and the gearbox outer loop water phase of test-bed connect, and set on circulating water pipe road
Proportional control valve 13 and flow sensor 11.One ratio adjusting valve and flow sensing are installed in the input end of heat exchanger II
Device, for adjusting the cooling water flow for entering heat-exchangers of the plate type II.
All temperature, pressure and flow sensors are connected with controller, proportional control valve and oil pump also with control
Device processed is connected, and realizes the automatic control of automatic gear-box oil temperature.
The cooling water of testboard bay and the gear box oil of II secondary end of heat-exchangers of the plate type carry out heat exchange, board-like heat exchange
II secondary end and I secondary end of heat-exchangers of the plate type pass through oil pump progress forced circulation, the change of last I secondary end of heat-exchangers of the plate type
Fast case oil carries out heat exchange with the gear box oil of I primary side of heat-exchangers of the plate type again.It is real in this way by way of twin-stage heat exchange
Gear box oil-gear box oil heat transfer process between cooling water-heat exchanger is showed.
Controller monitors the temperature at outlet of tested automatic gear-box in real time, by comparing with set temperature, by control
PID arithmetic inside device RTU carries out feedback closed loop control, adjusts the revolving speed of oil pump and the aperture of proportioning valve in real time, so i.e.
Realize the automatic control of automatic gear-box oil temperature.When automatic transmission fluid temperature at outlet is greater than set temperature, increase
The cooling capacity of the aperture of proportioning valve, heat-exchangers of the plate type II increases, and the gear box oil temperature between heat exchanger reduces；Oil pump turns
Speed becomes faster, and the automatic transmission fluid between heat exchanger, which recycles, to be accelerated, and the cooling capacity of heat-exchangers of the plate type I increases, and is tested speed change
Case oil temperature reduces.When automatic transmission fluid temperature at outlet is less than set temperature, reduce the aperture of proportioning valve, board-like heat exchange
The cooling capacity of device II reduces, and the gear box oil temperature between heat exchanger increases；Pump speed reduces, automatic between heat exchanger
Gear box oil circulation slows down, and the cooling capacity of heat-exchangers of the plate type I reduces, and being tested TOT Transmission Oil Temperature reduces.
Meanwhile controller RTU also will real time monitoring gearbox disengaging oil temperature, pressure and oil pump out of the mouth temperature pressure
Power, to judge whether gearbox and operation of oil pump are normal.Using the outer circulation twin-stage type of cooling to automatic transmission fluid into
Row cooling, is able to achieve the automatic control of automatic gear-box oil temperature, and Oil-temperature control range is wider；Substantially increase gearbox
The control precision of oil temperature, comprehensive temperature, pressure monitoring, greatly improves the stability and the degree of automation of equipment.
The use of twin-stage heat-exchangers of the plate type, even if slightly leaking occurs in heat-exchangers of the plate type I, gearbox oil liquid will not
It is mixed into cooling water, greatly reduces the risk of test；It is easy to be transformed, the primary cooling water of heat-exchangers of the plate type II is become into heat
Water can be realized and heat to gear box oil, even if gear box oil can also maintain a stable temperature in low-load situation
It spends in range.
It above are only and above-mentioned technical characteristic can form multiple in any combination to be illustrated to the utility model preferred embodiment
The embodiments of the present invention scheme.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as the improvement for the various unsubstantialities that the conception and technical scheme for using the utility model carry out,
Or it is not improved the conception and technical scheme of the utility model are directly applied into other occasions, in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of Oil-temperature control system for gearbox test-bed, including heat exchanger and oil pump, it is characterised in that：It is described
Heat exchanger includes heat exchanger I and heat exchanger II, and the primary side of the heat exchanger I connects gearbox by fluid pressure line
Oil inlet and outlet, the secondary end of heat exchanger I is connected with the secondary end of heat exchanger II, and oil pump is located at heat exchanger I and heat is handed over
On the pipeline of parallel operation II between the two, the primary side of heat exchanger II and the gearbox outer loop water phase of test-bed connect, and
Proportional control valve is equipped on circulating water pipe road.
2. being used for the Oil-temperature control system of gearbox test-bed as described in claim 1, it is characterised in that：The heat exchanger
Connecting line between I and gearbox is equipped with temperature sensor and pressure sensor.
3. being used for the Oil-temperature control system of gearbox test-bed as described in claim 1, it is characterised in that：The heat exchanger
Connecting line between I and heat exchanger II is equipped with temperature sensor and pressure sensor.
4. being used for the Oil-temperature control system of gearbox test-bed as described in claim 1, it is characterised in that：The circulating water pipe
Road is equipped with flow sensor.
5. being used for the Oil-temperature control system of gearbox test-bed as described in claim 1, it is characterised in that：The heat exchanger
I and heat exchanger II be heat-exchangers of the plate type, heat exchanger I and heat exchanger II are arranged side by side.
6. being used for the Oil-temperature control system of gearbox test-bed as described in claim 1, it is characterised in that：The heat exchanger
Connecting line between I and heat exchanger II is equipped with the hand-operated valve for filling gear box oil.
7. being used for the Oil-temperature control system of gearbox test-bed as claimed in claim 2, it is characterised in that：The gearbox
On connecting line between the oil inlet and heat exchanger I of connecting line and gearbox between oil export and heat exchanger I
Equipped with temperature sensor and pressure sensor.
8. being used for the Oil-temperature control system of gearbox test-bed as claimed in claim 3, it is characterised in that：The temperature sensing
Device and pressure sensor correspond to the outlet end setting of oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820627387.7U CN208155484U (en) | 2018-04-28 | 2018-04-28 | A kind of Oil-temperature control system for gearbox test-bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820627387.7U CN208155484U (en) | 2018-04-28 | 2018-04-28 | A kind of Oil-temperature control system for gearbox test-bed |
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| Publication Number | Publication Date |
|---|---|
| CN208155484U true CN208155484U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820627387.7U Active CN208155484U (en) | 2018-04-28 | 2018-04-28 | A kind of Oil-temperature control system for gearbox test-bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827494A (en) * | 2018-04-28 | 2018-11-16 | 吉孚动力技术(中国)有限公司 | Oil-temperature control system for gearbox test-bed |
-
2018
- 2018-04-28 CN CN201820627387.7U patent/CN208155484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827494A (en) * | 2018-04-28 | 2018-11-16 | 吉孚动力技术(中国)有限公司 | Oil-temperature control system for gearbox test-bed |
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