Motor controller cooling system and vehicle

Abstract

The utility model proposes a motor controller cooling system and a vehicle, the motor controller cooling system comprises a motor controller, a water pump, a radiator and an expansion kettle, the radiator comprises a first liquid inlet, a second liquid inlet, a first liquid outlet and a second liquid outlet, the first liquid inlet and the first liquid outlet are arranged at the first end of the radiator, and the second liquid inlet and the second liquid outlet are arranged at the second end of the radiator. The second liquid inlet and the second liquid outlet are formed in the second end of the radiator; the motor controller comprises a water inlet pipe and a water outlet pipe, the water inlet pipe communicates with the first liquid outlet, the water outlet pipe communicates with a water inlet of the water pump, and a water outlet of the water pump communicates with the first liquid inlet; the expansion kettle comprises a water inlet end and a water outlet end, the water inlet end is communicated with the second liquid outlet, and the water outlet end is communicated with the second liquid inlet. According to the motor controller cooling system, the expansion kettle and the radiator are connected in series, so that the arrangement of redundant pipelines is reduced, and the purpose of reducing the weight of the cooling system is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor controller cooling, in particular to a motor controller cooling system and a vehicle. Background Art

[0002] Hybrid power refers to the mixture of fuel and electric energy, and hybrid vehicles refer to vehicles that use both fuel and electric drive. The power system involves two processes, charging and discharging, and requires four components: drive motor, drive motor controller, generator, and generator controller. These components are very sensitive to temperature and have very high heat dissipation power. If the heat is not dissipated in time, the high temperature will affect their normal operation.

[0003] The existing automotive power system cooling system generally connects an expansion kettle in parallel to the main cooling circuit to play the role of exhaust water replenishment. At the same time, the installation position of the expansion kettle exhaust valve must be higher than the cooling system. However, the parallel connection not only increases the number of corresponding rubber pipes, but also increases the weight, and the installation position of the expansion kettle is limited. Utility Model Content

[0004] Aiming at the problem that the cooling system of the existing electric power system has many pipelines and does not conform to lightweight design, the utility model provides a motor controller cooling system and a vehicle.

[0005] On the one hand, the utility model provides a motor controller cooling system, comprising a motor controller, a water pump, a radiator and an expansion kettle, wherein the radiator comprises a first liquid inlet, a second liquid inlet, a first liquid outlet and a second liquid outlet, wherein the first liquid inlet and the first liquid outlet are arranged at a first end of the radiator, and the second liquid inlet and the second liquid outlet are arranged at a second end of the radiator;

[0006] The motor controller comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the first liquid outlet, the water outlet pipe is communicated with the water inlet of the water pump, and the water outlet of the water pump is communicated with the first liquid inlet;

[0007] The expansion kettle comprises a water inlet and a water outlet, wherein the water inlet is communicated with the second liquid outlet, and the water outlet is communicated with the second liquid inlet.

[0008] Optionally, a first connecting portion is provided on the water pump, and a first reserved hole is provided on the first connecting portion; a second connecting portion is provided on the radiator, and a second reserved hole is provided on the second connecting portion, and the water pump is connected to the radiator by providing a first bolt passing through the first reserved hole and the second reserved hole.

[0009] Optionally, a connecting pipe is provided at the water outlet of the water pump, the connecting pipe is communicated with the first liquid inlet, and the first connecting portion is sleeved on the outer circumference of the connecting pipe.

[0010] Optionally, a sealing ring is provided on the outer periphery of the connecting pipe, and the sealing ring is located between the first connecting part and the second connecting part.

[0011] Optionally, a third connecting portion is provided on the expansion kettle, and a third reserved hole is provided on the third connecting portion; a fourth connecting portion is provided on the radiator, and a fourth reserved hole is provided on the fourth connecting portion, and the expansion kettle is connected to the radiator by providing a second bolt passing through the third reserved hole and the second reserved hole.

[0012] Optionally, the radiator also includes at least one first flow channel and at least one second flow channel, the first flow channel and the second flow channel are arranged in parallel, the liquid inlet end of the first flow channel is connected to the first liquid inlet, and the liquid outlet end of the first flow channel is connected to the second liquid outlet; the liquid inlet end of the second flow channel is connected to the second liquid inlet, and the liquid outlet end of the second flow channel is connected to the first liquid outlet.

[0013] Optionally, the radiator further includes a shell, a plurality of heat dissipation fins are arranged at intervals on the shell, and the first flow channel and the second flow channel are arranged in the shell.

[0014] Optionally, the motor controller cooling system further includes a first pipeline and a second pipeline, wherein the first pipeline connects the first liquid outlet and the water inlet pipe; and the second pipeline connects the water outlet pipe and the water inlet of the water pump.

[0015] Optionally, both the first pipe and the second pipe are hoses.

[0016] On the other hand, the utility model further provides a vehicle, comprising any one of the motor controller cooling systems described above.

[0017] In the utility model, the motor controller, water pump, radiator and expansion kettle form a cooling circuit in series, reducing the arrangement of redundant pipelines, achieving the purpose of reducing the weight of the cooling system, and at the same time, further reducing the energy loss caused by the flow of coolant in the redundant pipelines, thereby improving the cooling effect. In addition, reducing the arrangement of redundant pipelines makes the entire motor controller cooling system more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a motor controller cooling system provided by an embodiment of the utility model;

[0019] Figure 2It is a structural schematic diagram of a radiator of a motor controller cooling system provided by an embodiment of the utility model;

[0020] Figure 3 This is a schematic structural diagram of a radiator of a motor controller cooling system provided by an embodiment of the utility model from another angle;

[0021] Figure 4 It is a structural schematic diagram of a motor controller of a motor controller cooling system provided by an embodiment of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of a water pump of a motor controller cooling system provided by an embodiment of the utility model;

[0023] Figure 6 It is a structural schematic diagram of an expansion kettle of a motor controller cooling system provided by an embodiment of the utility model.

[0024] The reference numerals in the drawings of the specification are as follows:

[0025] 1. Motor controller; 11. Water inlet pipe; 12. Water outlet pipe;

[0026] 2. Water pump; 21. First reserved hole; 22. Connecting pipe; 23. Sealing ring;

[0027] 3. Radiator; 31. First liquid inlet; 32. Second liquid inlet; 33. First liquid outlet; 34. Second liquid outlet; 35. Second reserved hole; 36. Fourth reserved hole; 37. Shell; 38. Heat dissipation fins;

[0028] 4. Expansion kettle; 41. Third connecting part; 42. Third reserved hole; 43. Water inlet end; 44. Water outlet end;

[0029] 51. First pipeline; 52. Second pipeline. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] In order to illustrate the technical solution of the present utility model, specific embodiments are provided below for illustration.

[0032] like Figure 1-Figure 6As shown, a motor controller cooling system of an embodiment of the utility model includes a motor controller 1, a water pump 2, a radiator 3 and an expansion kettle 4, the radiator 3 includes a first liquid inlet 31, a second liquid inlet 32, a first liquid outlet 33 and a second liquid outlet 34, the first liquid inlet 31 and the first liquid outlet 33 are arranged at the first end of the radiator 3, and the second liquid inlet 32 ​​and the second liquid outlet 34 are arranged at the second end of the radiator 3.

[0033] The motor controller 1 includes a water inlet pipe 11 and a water outlet pipe 12 . The water inlet pipe 11 is connected to the first liquid outlet 33 . The water outlet pipe 12 is connected to the water inlet of the water pump 2 . The water outlet of the water pump 2 is connected to the first liquid inlet 31 .

[0034] The expansion kettle 4 includes a water inlet 43 and a water outlet 44 . The water inlet 43 is in communication with the second liquid outlet 34 , and the water outlet 44 is in communication with the second liquid inlet 32 ​​.

[0035] In this embodiment, the motor controller 1, the water pump 2, the radiator 3 and the expansion kettle 4 form a cooling circuit connected in series, reducing the arrangement of redundant pipelines, thereby achieving the purpose of reducing the weight of the cooling system, and at the same time, further reducing the energy loss caused by the flow of coolant in the redundant pipelines, thereby improving the cooling effect. In addition, reducing the arrangement of redundant pipelines makes the entire motor controller cooling system more compact.

[0036] Specifically, the working process of the motor controller cooling system is as follows: driven by the water pump 2, the high-temperature coolant in the motor controller cooling system flows from the internal water channel cavity of the motor controller 1 to the water outlet pipe 12, the water inlet of the water pump 2, the water outlet of the water pump 2, the first liquid inlet 31, the second liquid outlet 34, the water inlet end 43 of the expansion kettle 4, the water outlet end 44 of the expansion kettle 4, the second liquid inlet 32, the first liquid outlet 33, the water inlet pipe 11, and the internal water channel cavity of the motor controller 1, which is a single cooling cycle, in which the high-temperature coolant forms a low-temperature coolant after heat exchange with the outside air during the process of entering the radiator 3.

[0037] like Figure 2 and Figure 5 As shown, in some embodiments of the utility model, the water pump 2 is provided with a first connection portion, and the first connection portion is provided with a first reserved hole 21. The radiator 3 is provided with a second connection portion, and the second connection portion is provided with a second reserved hole 35. The water pump 2 is connected to the radiator 3 by providing a first bolt passing through the first reserved hole 21 and the second reserved hole 35. By providing the first connection portion and the second connection portion, the water pump 2 is integrated on the radiator 3, which further reduces the connection pipelines between the water pump 2 and the radiator 3, has a high degree of integration, and realizes a lightweight design.

[0038] like Figure 5 As shown, in some embodiments of the utility model, a connecting pipe 22 is provided at the water outlet of the water pump 2, the connecting pipe 22 is communicated with the first liquid inlet 31, and the first connecting portion is sleeved on the outer circumference of the connecting pipe 22. By sleeved the first connecting portion on the outer circumference of the connecting pipe 22, when tightening the connection between the first connecting portion and the second connecting portion, the connection reliability between the water outlet of the water pump 2 and the first liquid inlet 31 is ensured.

[0039] like Figure 5 As shown, in some embodiments of the present invention, a sealing ring 23 is provided on the outer periphery of the connecting pipe 22, and the sealing ring 23 is located between the first connecting portion and the second connecting portion. By providing the sealing ring 23, the connection sealing between the water outlet of the water pump 2 and the first liquid inlet 31 is ensured.

[0040] like Figure 3 and Figure 6 As shown, in some embodiments of the utility model, the expansion kettle 4 is provided with a third connection part 41, and the third reserved hole 42 is provided on the third connection part 41. The radiator 3 is provided with a fourth connection part, and the fourth connection part is provided with a fourth reserved hole 36. The expansion kettle 4 is connected to the radiator 3 by setting a second bolt passing through the third reserved hole 42 and the second reserved hole 35. By setting the third connection part 41 and the fourth connection part, the expansion kettle 4 is integrated on the radiator 3, further reducing the number of connection pipes 22 between the expansion kettle 4 and the radiator 3, with high integration and lightweight design.

[0041] Furthermore, sealing rings may be provided at the connection between the water inlet end 43 of the expansion kettle 4 and the second liquid outlet 34 , and at the connection between the water outlet end 44 of the expansion kettle 4 and the second liquid inlet 32 ​​to ensure the sealing of the connection.

[0042] In some embodiments of the present utility model, the radiator 3 further includes at least one first flow channel (not shown in the figure) and at least one second flow channel (not shown in the figure), the first flow channel and the second flow channel are arranged in parallel, the liquid inlet end of the first flow channel is connected to the first liquid inlet 31, and the liquid outlet end of the first flow channel is connected to the second liquid outlet 34. The liquid inlet end of the second flow channel is connected to the second liquid inlet 32, and the liquid outlet end of the second flow channel is connected to the first liquid outlet 33.

[0043] like Figure 2 and Figure 3As shown, in some embodiments of the present utility model, the radiator 3 further includes a shell 37, on which a plurality of heat dissipation fins 38 are arranged at intervals, and the first flow channel and the second flow channel are arranged in the shell 37. The heat dissipation area between the radiator 3 and the outside is increased by arranging the heat dissipation fins 38, thereby improving the heat dissipation efficiency.

[0044] like Figure 1 As shown, in some embodiments of the present invention, the motor controller cooling system further includes a first pipe 51 and a second pipe 52, wherein the first pipe 51 connects the first liquid outlet 33 and the water inlet pipe 11. The second pipe 52 connects the water outlet pipe 12 and the water inlet of the water pump 2.

[0045] In some embodiments of the present invention, both the first pipe 51 and the second pipe 52 are hoses, which facilitate the connection between the water pump 2 and the radiator 3 and the motor controller 1 respectively.

[0046] On the other hand, a vehicle according to an embodiment of the present invention includes a motor controller cooling system as described in any of the above embodiments.

[0047] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the utility model, and should be included in the protection scope of the utility model.

Claims

1. A motor controller cooling system, characterized in that: The radiator comprises a motor controller, a water pump, a radiator and an expansion kettle, wherein the radiator comprises a first liquid inlet, a second liquid inlet, a first liquid outlet and a second liquid outlet, wherein the first liquid inlet and the first liquid outlet are arranged at a first end of the radiator, and the second liquid inlet and the second liquid outlet are arranged at a second end of the radiator; The motor controller comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the first liquid outlet, the water outlet pipe is communicated with the water inlet of the water pump, and the water outlet of the water pump is communicated with the first liquid inlet; The expansion kettle comprises a water inlet and a water outlet, wherein the water inlet is communicated with the second liquid outlet, and the water outlet is communicated with the second liquid inlet.

2. The motor controller cooling system according to claim 1, characterized in that: The water pump is provided with a first connecting portion, and the first connecting portion is provided with a first reserved hole; the radiator is provided with a second connecting portion, and the second connecting portion is provided with a second reserved hole. The water pump is connected to the radiator by providing a first bolt passing through the first reserved hole and the second reserved hole.

3. The motor controller cooling system according to claim 2, characterized in that: A connecting pipe is provided at the water outlet of the water pump, the connecting pipe is communicated with the first liquid inlet, and the first connecting portion is sleeved on the outer periphery of the connecting pipe.

4. The motor controller cooling system according to claim 3, characterized in that: A sealing ring is arranged on the outer periphery of the connecting pipe, and the sealing ring is located between the first connecting part and the second connecting part.

5. The motor controller cooling system according to claim 1, characterized in that: The expansion kettle is provided with a third connecting portion, and a third reserved hole is provided on the third connecting portion; the radiator is provided with a fourth connecting portion, and a fourth reserved hole is provided on the fourth connecting portion. The expansion kettle is connected to the radiator by providing a second bolt passing through the third reserved hole and the second reserved hole.

6. The motor controller cooling system according to claim 1, characterized in that: The radiator also includes at least one first flow channel and at least one second flow channel, the first flow channel and the second flow channel are arranged in parallel, the liquid inlet end of the first flow channel is connected to the first liquid inlet, and the liquid outlet end of the first flow channel is connected to the second liquid outlet; the liquid inlet end of the second flow channel is connected to the second liquid inlet, and the liquid outlet end of the second flow channel is connected to the first liquid outlet.

7. The motor controller cooling system according to claim 6, characterized in that: The radiator further includes a shell, on which a plurality of heat dissipation fins are arranged at intervals, and the first flow channel and the second flow channel are arranged in the shell.

8. The motor controller cooling system according to claim 1, characterized in that: The motor controller cooling system further includes a first pipeline and a second pipeline, wherein the first pipeline connects the first liquid outlet and the water inlet pipe; and the second pipeline connects the water outlet pipe and the water inlet of the water pump.

9. The motor controller cooling system according to claim 8, characterized in that: The first pipe and the second pipe are both hoses.

10. A vehicle, characterized in that: A motor controller cooling system comprising the cooling system of any one of claims 1-9.

Images