CN210579822U - Motor controller heat dissipation cooling system - Google Patents
Motor controller heat dissipation cooling system Download PDFInfo
- Publication number
- CN210579822U CN210579822U CN201921112664.1U CN201921112664U CN210579822U CN 210579822 U CN210579822 U CN 210579822U CN 201921112664 U CN201921112664 U CN 201921112664U CN 210579822 U CN210579822 U CN 210579822U
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- Prior art keywords
- motor controller
- air
- temperature
- vortex tube
- temperature detection
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- 238000001816 cooling Methods 0.000 title claims abstract description 55
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 26
- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000003570 air Substances 0.000 claims description 67
- 239000012080 ambient air Substances 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
A heat dissipation and cooling system of a motor controller comprises a control unit, an air compression device, a vortex tube cooling device and a temperature detection device. The control unit controls the air compression device according to the temperature signal acquired by the temperature detection device, and the air compression device provides compressed air for work for the vortex tube refrigeration device; the vortex tube refrigerating device and the temperature detection device are both connected with the motor controller, and the vortex tube refrigerating device provides cooling air flow for the motor controller; the temperature detection device is used for detecting the temperature of the motor controller and feeding back a temperature signal to the control unit. The system has simple structure, and can greatly improve the forced convection cooling performance of the motor controller radiator and reduce the weight and the volume of the motor controller radiator.
Description
The technical field is as follows:
the utility model relates to a heat dissipation cooling field especially relates to a machine controller heat dissipation cooling system.
Background art:
the motor controller is used as the core of an electric driving system of the electric automobile and needs to meet various working condition requirements of the automobile. The stable and reliable operation of the electronic equipment of the motor controller is the guarantee of the dynamic property and the safety of the whole vehicle. According to the reports of relevant documents, the faults of electronic components are mainly caused by high temperature, the fault rate is in direct proportion to the temperature of a chip, and the failure rate of reliability of the electronic product is reduced by 4% when the temperature rise of the electronic product is reduced by 1 ℃. Therefore, the cooling system with good performance is a guarantee that the electric drive system and even the whole vehicle can work in a normal temperature range stably, safely and reliably. For the existing electric automobile motor controller cooling system, the following problems exist:
1. the cooling system for the heat dissipation load of the motor controller has high cost, complex cooling pipelines and difficult maintenance;
2. the standard working environment of the heat dissipation load of the motor controller is generally set by the manufacturer requirement (for example, the working environment temperature of the air cooling system is lower than 55 ℃, and the working environment temperature of the water cooling system is lower than 65 ℃). However, the working environment temperature of the motor controller is too high, so that the junction temperature of the internal chip is rapidly increased, and the internal chip cannot effectively and rapidly dissipate heat, so that the performance attenuation and change of internal elements of the motor controller are caused, the service life of the motor controller is influenced, and the power density of a product is not high;
3. if the heat dissipation load of the motor controller adopts a water cooling system, when a water cooling pipeline injects cooling liquid, insoluble gas in a water cooling pipe is easily gathered and is difficult to discharge, the cooling effect is greatly reduced, and the overheating risk of the motor controller is increased.
The utility model has the following contents:
an object of the utility model is to provide a machine controller heat dissipation cooling system for solve the problem of cooling system among the prior art with high costs, cooling tube is complicated, power density is not high, the too high and the inside gas gathering of water cooling system of ambient operating temperature, alleviate the weight and the volume of machine controller radiator, promote machine controller's power density and the job stabilization nature and the life-span of whole car.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a motor controller heat dissipation cooling system, includes: the device comprises a control unit, an air compression device, a vortex tube refrigerating device and a temperature detection device; the control unit is connected with the air compression device through a control signal line and controls the air compression device; the control unit is connected with the temperature detection device through a temperature detection signal line and acquires temperature signal feedback of the temperature detection device; the air compression device is connected with the vortex tube refrigerating device through a compressed air pipeline, compresses ambient air to obtain high-pressure air, and conveys the high-pressure air to the vortex tube refrigerating device; the vortex tube refrigerating device is connected with the motor controller through a cooling air flow pipeline, and converts compressed air generated by the air compressing device through a vortex tube to generate cooling air flow which is conveyed to the motor controller; the temperature detection device is arranged in the motor controller and used for detecting the working temperature of the motor controller in real time and feeding back a temperature signal to the control unit.
The utility model discloses a machine controller's heat dissipation load can be inside pipeline radiator cooling system or fin radiator cooling system.
A working method of the heat dissipation and cooling system of the motor controller comprises the following steps:
(1) the control unit acquires the temperature of the motor controller through a temperature detection device, adjusts the pressure of high-pressure air generated by the air compression device according to a temperature signal acquired by the temperature detection device, and provides high-pressure air for work for the vortex tube refrigeration device;
(2) and then the vortex tube cooling device generates cooling air by the high-pressure air for work provided by the air compression device through the vortex tube, and then the cooling air is provided for the motor controller.
The temperature detection device detects whether the temperature of the motor controller exceeds a preset threshold value, and if the temperature of the motor controller exceeds the preset threshold value, the control unit sends a pressure adjusting instruction to the air compression device to increase the pressure value of high-pressure air generated by the air compression device; furthermore, the flow and the temperature of the cooling air generated by the vortex tube refrigerating device are changed, so that the temperature of the motor controller is reduced to be within a preset temperature threshold value; if the temperature of the motor controller does not exceed the preset threshold value, the control unit sends an instruction to the air compression device to maintain the high-pressure air pressure value of the existing air compression device.
The control unit obtains the internal temperature of the motor controller through a temperature sensor arranged in the motor controller.
The utility model has the advantages that: the utility model provides cooling airflow through the vortex tube refrigerating device, so that the motor controller works in an airflow environment with lower temperature; compare in traditional machine controller heat abstractor, this system simple structure can promote the compulsory convection cooling performance of machine controller radiator, alleviate the weight and the volume of machine controller radiator by a wide margin.
Description of the drawings:
fig. 1 is a schematic structural view of a heat dissipation and cooling system of a motor controller according to the present invention;
fig. 2 is a schematic flow chart of a cooling method of a heat dissipation and cooling system of a motor controller of the present invention.
Wherein, 1 is the control unit device, 2 is air compressor arrangement, 3 is vortex tube refrigerating plant, 4 is temperature-detecting device, 5 is machine controller, 6 is the control signal line, 7 is the compressed air pipeline, 8 is the cooling air pipeline, 9 is temperature detection signal line.
The specific implementation mode is as follows:
in order to make the person skilled in the art better understand the present invention, the following detailed description of the present invention is provided by way of examples, it is necessary to point out again that the present embodiment is only used for further description of the present invention, and should not be interpreted as a limitation of the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a heat dissipation and cooling system of a motor controller of the present invention, as shown in fig. 1,
a motor controller heat dissipation cooling system, includes: the device comprises a control unit 1, an air compression device 2, a vortex tube refrigerating device 3 and a temperature detection device 4; the control unit 1 is connected with the air compression device 2 through a control signal line 6 and controls the air compression device 2; the control unit 1 is connected with the temperature detection device 4 through a temperature detection signal wire 9 and used for collecting temperature signal feedback of the temperature detection device 4; the air compression device 2 is connected with the vortex tube refrigerating device 3 through a compressed air pipeline 7, and the air compression device 2 compresses ambient air to obtain high-pressure air and transmits the high-pressure air to the vortex tube refrigerating device 3; the vortex tube refrigerating device 3 is connected with the motor controller 5 through a cooling air flow pipeline 8, and the vortex tube refrigerating device 3 converts compressed air generated by the air compression device 2 through a vortex tube to generate cooling air flow which is transmitted to the motor controller 5; the temperature detection device 4 is installed in the motor controller 5 and used for detecting the working temperature of the motor controller 5 in real time and feeding back a temperature signal to the control unit 1.
When the heat dissipation load of the motor controller adopts an air-cooled heat dissipation type, such as a finned radiator heat dissipation system, the ambient temperature is 55 ℃, and the control unit 1 controls the air compression device 2 by collecting temperature signal feedback of the temperature detection device 4. The air compressor 2 adjusts the pressure of the compressed air to supply high-pressure air for operation to the vortex tube refrigerating device 3. The high-pressure air carries out energy conversion in the vortex tube refrigerating device 3 to generate cooling air flow at 20 ℃, and the cooling air flow is provided for the motor controller 5 to be used for forced convection heat dissipation of the radiator, so that the heat of the motor controller 5 is taken away, and the purpose of cooling the motor controller is achieved.
Fig. 2 is a schematic flow chart of a cooling method of a heat dissipation and cooling system of a motor controller according to the present invention; as shown in fig. 2, the present embodiment provides a working method of a heat dissipation and cooling system of a motor controller, including:
(1) the control unit 1 obtains the temperature of the motor controller 5 through the temperature detection device 4, and specifically, obtains the internal temperature of the motor controller 5 through a temperature sensor arranged inside the motor controller 5;
(2) judging whether the temperature of the motor controller 5 exceeds a preset threshold value of the temperature of the motor controller 5;
(3) if the temperature of the motor controller 5 exceeds the preset threshold, the control unit 1 sends a pressure adjusting instruction to the air compression device 2, and increases the pressure value of the high-pressure air generated by the air compression device;
(4) furthermore, the flow and temperature of the cooling air generated by the vortex tube refrigerating device 3 are changed, so that the temperature of the motor controller 5 is reduced to be within a preset temperature threshold value;
(5) if the temperature of the motor controller 5 does not exceed the preset threshold, the control unit 1 sends an instruction to the air compression device 2 to maintain the high-pressure air pressure value of the existing air compression device.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. The present invention is not limited to the specific embodiments herein, but encompasses all technical solutions falling within the scope of the claims. Based on the embodiments in the present invention, under the premise that the person skilled in the art does not make creative work, all other embodiments obtained belong to the protection scope of the present invention.
Claims (3)
1. The utility model provides a machine controller cooling system that dispels heat which characterized in that mainly includes: the device comprises a control unit (1), an air compression device (2), a vortex tube refrigerating device (3) and a temperature detection device (4); the control unit (1) is connected with the air compression device (2) through a control signal line (6) and controls the air compression device (2); the control unit (1) is connected with the temperature detection device (4) through a temperature detection signal line (9) and used for collecting temperature signal feedback of the temperature detection device (4); the air compression device (2) is connected with the vortex tube refrigerating device (3) through a compressed air pipeline (7), the air compression device (2) compresses ambient air to obtain high-pressure air, and the high-pressure air is conveyed to the vortex tube refrigerating device (3); the vortex tube refrigerating device (3) is connected with the motor controller (5) through a cooling air flow pipeline (8), and the vortex tube refrigerating device (3) converts compressed air generated by the air compression device (2) through a vortex tube to generate cooling air flow which is conveyed to the motor controller (5); the temperature detection device (4) is arranged in the motor controller (5) and used for detecting the working temperature of the motor controller (5) in real time and feeding back a temperature signal to the control unit (1) through a temperature detection signal line (9).
2. The motor controller heat dissipation and cooling system of claim 1, wherein the heat dissipation load of the motor controller is an internal pipe heat sink heat dissipation system.
3. The motor controller cooling system of claim 1 wherein the heat dissipation load of the motor controller is a finned heat sink cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112664.1U CN210579822U (en) | 2019-07-16 | 2019-07-16 | Motor controller heat dissipation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112664.1U CN210579822U (en) | 2019-07-16 | 2019-07-16 | Motor controller heat dissipation cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210579822U true CN210579822U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921112664.1U Expired - Fee Related CN210579822U (en) | 2019-07-16 | 2019-07-16 | Motor controller heat dissipation cooling system |
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| Country | Link |
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| CN (1) | CN210579822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278695A (en) * | 2019-07-16 | 2019-09-24 | 天津理工大学 | A kind of electric machine controller radiating and cooling system and its working method |
-
2019
- 2019-07-16 CN CN201921112664.1U patent/CN210579822U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278695A (en) * | 2019-07-16 | 2019-09-24 | 天津理工大学 | A kind of electric machine controller radiating and cooling system and its working method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |