CN221125129U - Temperature control device for indirect heating - Google Patents
Temperature control device for indirect heating Download PDFInfo
- Publication number
- CN221125129U CN221125129U CN202322996650.3U CN202322996650U CN221125129U CN 221125129 U CN221125129 U CN 221125129U CN 202322996650 U CN202322996650 U CN 202322996650U CN 221125129 U CN221125129 U CN 221125129U
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- heat exchanger
- oil tank
- output end
- input end
- pump
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 238000005057 refrigeration Methods 0.000 claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 description 13
- 239000000498 cooling water Substances 0.000 description 7
- 230000001502 supplementing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides an indirect heating temperature control device which comprises a first heat exchanger, a second heat exchanger, a heating heat conduction oil tank, a gearbox oil tank, a refrigeration pump, a heat exchange pump and an external circulation pump, wherein the first heat exchanger is connected with the second heat exchanger; the first heat exchanger is used for realizing heat exchange through inputting a refrigerant and is respectively connected with the output end of the refrigeration pump and the primary side input end of the second heat exchanger; the primary side output end of the second heat exchanger is connected with the heat exchange input end of the gearbox oil tank and is respectively connected with the output end of the heat exchange pump and the circulation input end of the heating heat conduction oil tank; the circulating output end of the heating heat conduction oil tank is connected with the input end of the heat exchange pump; the heat exchange output end of the gearbox oil tank is connected with the input end of the refrigeration pump, the test output end of the gearbox oil tank is connected with the input end of the external circulation pump, and the test input end of the gearbox oil tank is used for being connected with one end of a tested piece; the output end of the external circulation pump is used for being connected with the other end of the tested piece, so that the temperature control technical scheme with higher temperature control precision for testing in the automobile industry is realized.
Description
Technical Field
The utility model relates to the technical field of temperature control, in particular to an indirect heating temperature control device.
Background
With the rapid development of the automobile industry in recent years, the requirements on relevant quality are also increasing. In order to cope with the improvement of the quality requirements, the requirements on the motor and the axle test are more severe. At present, in the conventional test, the oil temperature interval of the gearbox is smaller, and in order to enlarge the oil temperature interval of the gearbox, a method of directly increasing the heating temperature of a heater is generally adopted. In the process of directly heating at a higher temperature, the heating temperature cannot be accurately controlled, carbonization phenomenon can occur near the heater, and the problems of deterioration and the like can also occur due to overhigh local oil temperature.
Therefore, a temperature control technical scheme with higher temperature control precision for testing in the automobile industry is needed.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the temperature control device for indirect heating, which realizes indirect heating through the first heat exchanger and the second heat exchanger, and realizes a temperature control technical scheme with higher temperature control precision for testing in the automobile industry.
The utility model provides an indirect heating temperature control device which comprises a first heat exchanger, a second heat exchanger, a heating heat conduction oil tank, a gearbox oil tank, a refrigeration pump, a heat exchange pump and an external circulation pump, wherein the first heat exchanger is connected with the second heat exchanger;
The primary side input end of the first heat exchanger is used for inputting refrigerant, the primary side output end of the first heat exchanger is used for outputting the refrigerant after heat exchange, the secondary side input end of the first heat exchanger is connected with the output end of the refrigeration pump, and the secondary side output end of the first heat exchanger is connected with the primary side input end of the second heat exchanger;
The primary side output end of the second heat exchanger is connected with the heat exchange input end of the gearbox oil tank, the secondary side input end of the second heat exchanger is connected with the output end of the heat exchange pump, and the secondary side output end of the second heat exchanger is connected with the circulation input end of the heating heat conduction oil tank;
The circulating output end of the heating heat conduction oil tank is connected with the input end of the heat exchange pump;
The heat exchange output end of the gearbox oil tank is connected with the input end of the refrigeration pump, the test output end of the gearbox oil tank is connected with the input end of the external circulation pump, and the test input end of the gearbox oil tank is used for being connected with one end of a tested piece;
The output end of the external circulation pump is used for being connected with the other end of the tested piece.
Further, the device also comprises a through proportional regulating valve;
The input end of the straight-through proportional regulating valve is used for inputting refrigerant, and the output end of the straight-through proportional regulating valve is connected with the primary side input end of the first heat exchanger.
Further, the input end of the through proportional control valve is provided with a filter.
Further, the valve also comprises a three-way proportional control valve;
The first end of the three-way proportional regulating valve is connected with the output end of the heat exchange pump, the second end of the three-way proportional regulating valve is connected to a pipeline between the secondary side output end of the second heat exchanger and the circulating input end of the heating heat conduction oil tank, and the third end of the three-way proportional regulating valve is connected with the secondary side input end of the second heat exchanger.
Further, the device also comprises a heat conduction oil fluid supplementing tank connected with the heating heat conduction oil tank.
Further, a flow switch is arranged at the primary side output end of the first heat exchanger.
Further, the gearbox oil tank is provided with a first liquid level sensor.
Further, the heating heat conduction oil tank is provided with a first temperature sensor.
Further, the output end of the external circulation pump is provided with a flow sensor, a pressure sensor and a second temperature sensor.
Further, the output end of the external circulation pump is also provided with a ball valve.
The technical scheme provided by the utility model has at least the following beneficial effects:
The first heat exchanger and the second heat exchanger are used for indirectly heating the gearbox oil tank, heat exchange is uniform, the temperature rise interval is wide, the control precision can be effectively improved, and the device is better suitable for testing requirements.
Drawings
FIG. 1 is a schematic diagram of an indirectly heated temperature control device provided by the present utility model;
In the attached drawings, 1, a filter; 2. a direct-connection proportional control valve; 3. a first heat exchanger; 4. a flow switch; 5. a refrigeration pump; 6. a gearbox oil tank; 7. a first liquid level sensor; 8. a second heat exchanger; 9. a heat exchange pump; 10. a three-way proportional control valve; 11. heating the heat conduction oil tank; 12. a first temperature sensor; 13. a conduction oil replenishing tank; 14. an external circulation pump; 15. a flow sensor; 16. a pressure sensor; 17. a second temperature sensor; 18. a ball valve; 19. and a measured piece.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Referring to fig. 1, the present utility model provides an indirect heating temperature control device, which includes a first heat exchanger 3, a second heat exchanger 8, a heating heat conduction oil tank 11, a gearbox oil tank 6, a refrigeration pump 5, a heat exchange pump 9, and an external circulation pump 14;
The primary side input end of the first heat exchanger 3 is used for inputting refrigerant, the primary side output end is used for outputting the refrigerant after heat exchange, the secondary side input end is connected with the output end of the refrigeration pump 5, and the secondary side output end is connected with the primary side input end of the second heat exchanger 8;
The primary side output end of the second heat exchanger 8 is connected with the heat exchange input end of the gearbox oil tank 6, the secondary side input end of the second heat exchanger is connected with the output end of the heat exchange pump 9, and the secondary side output end of the second heat exchanger is connected with the circulation input end of the heating heat conduction oil tank 11;
the circulation output end of the heating heat conduction oil tank 11 is connected with the input end of the heat exchange pump 9;
the heat exchange output end of the gearbox oil tank 6 is connected with the input end of the refrigeration pump 5, the test output end of the gearbox oil tank is connected with the input end of the external circulation pump 14, and the test input end of the gearbox oil tank is used for being connected with one end of a tested piece 19;
the output end of the external circulation pump 14 is used for connecting with the other end of the measured piece 19.
In this embodiment, the refrigerant may be cooling water, and the primary side input end and the primary side output end of the first heat exchanger 3 are respectively connected to the water tower to form a cooling water circulation line. The medium in the gearbox oil tank 6 is heat exchanged via the first heat exchanger 3 and the cooling water. In a specific implementation, the cooling water flows in from the primary side input end of the first heat exchanger 3, flows through the first heat exchanger 3, and returns to the water tower through the primary side output end. Medium in the gearbox oil tank 6 enters the first heat exchanger 3 through the refrigeration pump 5, enters the second heat exchanger 8 for heating after being cooled by the first heat exchanger 3, and then returns to the gearbox oil tank 6. The medium in the gearbox oil tank 6 may be gearbox oil. The heat conduction silicone oil in the heating heat conduction oil tank 11 is pumped out by the heat exchange pump 9 to enter the second heat exchanger 8 after being subjected to approximate temperature control, heat exchange is realized on a medium in the gearbox oil tank 6 in the second heat exchanger 8, and the accurate temperature control is realized on the gearbox oil tank 6 through heat exchange on two sides of the first heat exchanger 3 and the second heat exchanger 8. After the external circulation pump 14 absorbs liquid from the gearbox oil tank 6, accurate temperature output in a high temperature area is realized, and more severe test requirements are met. Preferably, the manner in which refrigeration is achieved by the water tower providing cooling water may be replaced with a compressor train to achieve lower temperature requirements.
Further, the device also comprises a through proportional control valve 2;
The input end of the straight-through proportional control valve 2 is used for inputting refrigerant, and the output end of the straight-through proportional control valve is connected with the primary side input end of the first heat exchanger 3.
Further, the input end of the through proportional control valve 2 is provided with a filter 1.
Further, a primary side output end of the first heat exchanger 3 is provided with a flow switch 4.
In this embodiment, the refrigerant adopts cooling water, the cooling water passes through the filter 1, flows through the through proportional control valve 2 to enter the first heat exchanger 3, and returns to the water tower through the flow switch 4 after exiting from the first heat exchanger 3.
Further, the valve also comprises a three-way proportional control valve 10;
The first end of the three-way proportional control valve 10 is connected with the output end of the heat exchange pump 9, the second end of the three-way proportional control valve is connected to a pipeline between the secondary side output end of the second heat exchanger 8 and the circulating input end of the heating heat conduction oil tank 11, and the third end of the three-way proportional control valve is connected with the secondary side input end of the second heat exchanger 8.
Further, the heating and heat conducting oil tank 11 is provided with a first temperature sensor 12.
In this embodiment, the medium in the gearbox oil tank 6 is gearbox oil. The heat conduction silicone oil in the heating heat conduction oil tank 11 is pumped out by the heat exchange pump 9 after being approximately temperature-controlled by the first temperature sensor 12, flows through the three-way proportional control valve 10 and then enters the second heat exchanger 8, heat exchange is realized on the gearbox oil in the second heat exchanger 8, and the accurate temperature control is realized on the gearbox oil tank 6 through heat exchange on two sides of the first heat exchanger 3 and the second heat exchanger 8.
Further, the device also comprises a conduction oil supplementing tank 13 connected with the heating conduction oil tank 11.
In this embodiment, the heat conducting oil replenishing tank 13 may replenish the heat conducting oil to the heating heat conducting oil tank 11, so as to prevent the heat output from being affected by insufficient heat conducting oil in the heating heat conducting oil tank 11. In the specific implementation, a liquid level sensor can be arranged in the heat conduction oil liquid supplementing tank 13 so as to control the consumption of the heat conduction silicone oil at any time.
Further, the gearbox oil tank 6 is provided with a first level sensor 7.
In this embodiment, the first liquid level sensor 7 is provided to the transmission oil tank 6, so that the liquid level of the internal medium can be controlled at any time. For example, the internal medium of the gearbox oil tank 6 adopts gearbox oil, the liquid level of the gearbox oil can be monitored in real time through the first liquid level sensor 7, and when the liquid level is too low, liquid can be timely supplemented through the liquid supplementing port, so that adverse effects on temperature control are prevented.
Further, the output end of the external circulation pump 14 is provided with a flow sensor 15, a pressure sensor 16 and a second temperature sensor 17.
Further, the output end of the external circulation pump 14 is also provided with a ball valve 18.
In this embodiment, after the external circulation pump 14 absorbs liquid from the gearbox oil tank 6, the flow sensor 15 and the pressure sensor 16 feed back and output the pressure or flow required by the load, and the second temperature sensor 17 monitors the outlet temperature again, so that accurate temperature output in a high temperature area can be realized in the process, and more severe test requirements are met.
The above embodiments should not limit the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent conversion fall within the protection scope of the present utility model.
Claims (10)
1. The temperature control device for indirect heating is characterized by comprising a first heat exchanger, a second heat exchanger, a heating heat conduction oil tank, a gearbox oil tank, a refrigeration pump, a heat exchange pump and an external circulation pump;
The primary side input end of the first heat exchanger is used for inputting refrigerant, the primary side output end of the first heat exchanger is used for outputting the refrigerant after heat exchange, the secondary side input end of the first heat exchanger is connected with the output end of the refrigeration pump, and the secondary side output end of the first heat exchanger is connected with the primary side input end of the second heat exchanger;
The primary side output end of the second heat exchanger is connected with the heat exchange input end of the gearbox oil tank, the secondary side input end of the second heat exchanger is connected with the output end of the heat exchange pump, and the secondary side output end of the second heat exchanger is connected with the circulation input end of the heating heat conduction oil tank;
The circulating output end of the heating heat conduction oil tank is connected with the input end of the heat exchange pump;
The heat exchange output end of the gearbox oil tank is connected with the input end of the refrigeration pump, the test output end of the gearbox oil tank is connected with the input end of the external circulation pump, and the test input end of the gearbox oil tank is used for being connected with one end of a tested piece;
The output end of the external circulation pump is used for being connected with the other end of the tested piece.
2. The temperature control device of claim 1, further comprising a straight-through proportional control valve;
The input end of the straight-through proportional regulating valve is used for inputting refrigerant, and the output end of the straight-through proportional regulating valve is connected with the primary side input end of the first heat exchanger.
3. Temperature control device according to claim 2, characterized in that the input of the through proportional control valve is provided with a filter.
4. The temperature control device of claim 1, further comprising a three-way proportional control valve;
The first end of the three-way proportional regulating valve is connected with the output end of the heat exchange pump, the second end of the three-way proportional regulating valve is connected to a pipeline between the secondary side output end of the second heat exchanger and the circulating input end of the heating heat conduction oil tank, and the third end of the three-way proportional regulating valve is connected with the secondary side input end of the second heat exchanger.
5. The temperature control device of claim 1, further comprising a conduction oil make-up tank coupled to the heated conduction oil tank.
6. The temperature control device of claim 1, wherein the primary side output of the first heat exchanger is provided with a flow switch.
7. Temperature control device according to claim 1, characterized in that the gearbox oil tank is provided with a first level sensor.
8. The temperature control device of claim 1, wherein the heated thermally conductive tank is provided with a first temperature sensor.
9. The temperature control device according to claim 1, wherein the output end of the external circulation pump is provided with a flow sensor, a pressure sensor and a second temperature sensor.
10. The temperature control device of claim 1, wherein the output end of the external circulation pump is further provided with a ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322996650.3U CN221125129U (en) | 2023-11-06 | 2023-11-06 | Temperature control device for indirect heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322996650.3U CN221125129U (en) | 2023-11-06 | 2023-11-06 | Temperature control device for indirect heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221125129U true CN221125129U (en) | 2024-06-11 |
Family
ID=91340140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322996650.3U Active CN221125129U (en) | 2023-11-06 | 2023-11-06 | Temperature control device for indirect heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221125129U (en) |
-
2023
- 2023-11-06 CN CN202322996650.3U patent/CN221125129U/en active Active
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