Motor controller and vehicle

Abstract

This application discloses a motor controller and a vehicle, belonging to the field of cooling system technology. The motor controller includes a housing, a first IGBT module, and a second IGBT module. The housing has a first receiving cavity, a second receiving cavity, a liquid inlet, a first liquid outlet, and a second liquid outlet. The first receiving cavity has a first opening; the second receiving cavity has a second opening. The first and second openings are respectively located on opposite sides of the housing along a first direction. The liquid inlet connects the first and second receiving cavities. The first liquid outlet connects to the first receiving cavity; the second liquid outlet connects to the second receiving cavity. The first IGBT module covers the first opening and is sealed to the housing. The second IGBT module covers the second opening and is sealed to the housing. This application improves the cooling efficiency of the coolant by separately providing the first receiving cavity, the second receiving cavity, the first liquid outlet, and the second liquid outlet, thus dividing the cooling channel into two parallel paths downstream of the liquid inlet.

Description

Technical Field

[0001] This application belongs to the field of cooling system technology, specifically relating to a motor controller and a vehicle. Background Technology

[0002] The motor driver can control the drive motor, battery, and other electrical devices to convert the DC power supplied by the battery into AC power, thereby driving the motor and propelling the vehicle.

[0003] When a motor driver is used to drive multiple motors, the motor driver contains multiple IGBT modules. The coolant in the motor driver flows through the multiple IGBT modules in sequence to cool them.

[0004] However, the temperature of the coolant increases after flowing through one IGBT module, which reduces the cooling efficiency for the next IGBT module. Utility Model Content

[0005] The purpose of this application is to provide a motor controller to solve the technical problem of low cooling efficiency in motor controllers; another purpose of this application is to provide a vehicle.

[0006] Technical solution: This application provides a motor controller, including:

[0007] The housing has a first receiving cavity, a second receiving cavity, a liquid inlet, a first liquid outlet, and a second liquid outlet; the first receiving cavity has a first opening; the second receiving cavity has a second opening, the first opening and the second opening are respectively disposed on two opposite sides of the housing along a first direction; the liquid inlet connects the first receiving cavity and the second receiving cavity; the first liquid outlet connects to the first receiving cavity; the second liquid outlet connects to the second receiving cavity;

[0008] The first IGBT module covers the first opening and is sealed to the housing;

[0009] The second IGBT module covers the second opening and is sealed to the housing.

[0010] In some embodiments, the first receiving cavity has a first bottom wall, the first bottom wall has a first settling groove, and the liquid inlet is in communication with the first settling groove; and / or

[0011] The second receiving cavity has a second bottom wall that is opposite to the first bottom wall along the first direction. The second bottom wall has a second settling groove, and the liquid inlet is connected to the second settling groove.

[0012] In some embodiments, the first liquid outlet and the second liquid outlet are disposed on the same side of the housing along a second direction, wherein the first direction and the second direction are perpendicular to each other.

[0013] In some embodiments, the liquid inlet is disposed on the side of the housing opposite to the first liquid outlet along the second direction.

[0014] In some embodiments, the housing includes:

[0015] The body has a first receiving cavity and a second receiving cavity on both sides along the first direction;

[0016] A first connecting portion is connected to one side of the body along the second direction, and a first liquid outlet hole penetrates the first connecting portion;

[0017] The second connecting part is connected to the side of the body close to the first connecting part along the second direction. The second connecting part and the first connecting part are spaced apart along the first direction. The second liquid outlet hole passes through the second connecting part.

[0018] In some embodiments, the first receiving cavity has a first bottom wall, the first bottom wall has a third settling groove, and the first liquid outlet is in communication with the third settling groove; and / or

[0019] The second receiving cavity has a second bottom wall that is opposite to the first bottom wall along the first direction. The second bottom wall has a fourth settling tank, and the second liquid outlet is connected to the fourth settling tank.

[0020] In some embodiments, the end of the first connecting portion away from the body is moved away from the second connecting portion so as to be inclined toward the second connecting portion.

[0021] In some embodiments, the first receiving cavity has a first bottom wall, the second receiving cavity has a second bottom wall, the first bottom wall and the second bottom wall are opposite to each other along the first direction, the orthographic projection of the first bottom wall along the second direction onto the plane where the second bottom wall is located has a portion that overlaps with the second bottom wall, and the first direction and the second direction are perpendicular to each other.

[0022] In some embodiments, the housing has a first connecting surface and a second connecting surface that are opposite to each other along the first direction. The first connecting surface is connected to the first IGBT module, and the second connecting surface is connected to the second IGBT module. The motor controller further includes a first sealing element and a second sealing element. The first sealing element is embedded in the first connecting surface and seals the first connecting surface and the first IGBT module. The second sealing element is embedded in the second connecting surface and seals the second connecting surface and the second IGBT module.

[0023] Accordingly, this application also provides a vehicle including a motor controller as described in any of the above embodiments.

[0024] Beneficial Effects: Compared with the prior art, the motor controller provided in this application includes a housing, a first IGBT module, and a second IGBT module. The housing has a first receiving cavity, a second receiving cavity, a liquid inlet, a first liquid outlet, and a second liquid outlet. The first receiving cavity has a first opening; the second receiving cavity has a second opening, and the first and second openings are respectively located on opposite sides of the housing along a first direction. The liquid inlet connects the first and second receiving cavities; the first liquid outlet connects to the first receiving cavity; the second liquid outlet connects to the second receiving cavity; the first IGBT module covers the first opening and is sealed to the housing; the second IGBT module covers the second opening and is sealed to the housing. This application divides the cooling channel into two parallel paths downstream of the liquid inlet by separately providing the first receiving cavity, the second receiving cavity, the first liquid outlet, and the second liquid outlet, so that the coolant only flows through one of the first and second IGBT modules, thereby improving the cooling efficiency of the coolant. Meanwhile, the first IGBT module and the second IGBT module are respectively located on both sides of the housing, which improves the utilization rate of the housing and the integration of the motor controller. Attached Figure Description

[0025] The technical solution and other beneficial effects of this application will become apparent from the following detailed description of specific embodiments in conjunction with the accompanying drawings.

[0026] Figure 1 This is a schematic diagram of the structure of the motor driver provided in an embodiment of this application;

[0027] Figure 2 A top view of the motor driver provided in an embodiment of this application;

[0028] Figure 3 for Figure 2 Sectional view at point AA;

[0029] Figure 4 This is a schematic diagram of the structure of the housing at one angle in the motor driver provided in an embodiment of this application;

[0030] Figure 5 This is a structural schematic diagram of the housing in the motor driver provided in an embodiment of this application from another angle;

[0031] Figure 6 This is a structural schematic diagram of the housing in the motor driver provided in an embodiment of this application from another angle;

[0032] Figure 7 This is a schematic diagram of the housing of the motor driver provided in an embodiment of this application from another angle.

[0033] Explanation of reference numerals in the attached figures:

[0034] 100 - Housing; 110 - Body; 111 - First receiving cavity; 112 - First opening; 113 - First bottom wall; 114 - Second receiving cavity; 115 - Second opening; 116 - Second bottom wall; 117 - First settling tank; 118 - Second settling tank; 119 - Third settling tank; 120 - Fourth settling tank; 130 - First connecting part; 131 - First liquid outlet; 140 - Second connecting part; 141 - Second liquid outlet; 150 - Third connecting part; 151 - Liquid inlet; 152 - Third opening; 153 - Fourth opening; 160 - First connecting surface; 170 - Second connecting surface; 200 - First IGBT module; 300 - Second IGBT module; 400 - First seal; 500 - Second seal; X - First direction; Y - Second direction. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for mutual communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. In the description of this application, "multiple" means two or more, unless otherwise expressly and specifically limited. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0037] It should also be noted that in the accompanying drawings of the embodiments of this application, the arrows marked X and Y respectively represent the first direction X and the second direction Y. The description of this application introduces the first direction X and the second direction Y to more clearly express the relative positional relationship involved in this application. The first direction X and the second direction Y are two intersecting relative directions, not absolute directions. In practical applications, the first direction X and the second direction Y can point to any direction in space, as long as the intersection relationship between the two is maintained.

[0038] The following disclosure provides many different implementations or examples for carrying out different structures of this application. To simplify the disclosure of this application, the components and arrangements of specific examples are described below. Of course, these are merely examples and are not intended to limit this application.

[0039] The motor driver can control the drive motor, battery, and other electrical devices to convert the DC power supplied by the battery into AC power, thereby driving the motor and propelling the vehicle.

[0040] When a motor driver is used to drive multiple motors, the motor driver contains multiple IGBT modules. The coolant in the motor driver flows through the multiple IGBT modules in sequence to cool them.

[0041] However, the temperature of the coolant increases after flowing through one IGBT module, which reduces the cooling efficiency for the next IGBT module.

[0042] IGBT stands for Insulated Gate Bipolar Transistor.

[0043] To address the aforementioned technical problem of low cooling efficiency in motor controllers, the first embodiment of this application provides a motor controller. (See attached...) Figure 1 , Figure 2 and Figure 3 The motor controller includes a housing 100, a first IGBT module 200, and a second IGBT module 300. The housing 100 has a first receiving cavity 111, a second receiving cavity 114, a liquid inlet 151, a first liquid outlet 131, and a second liquid outlet 141. The first receiving cavity 111 has a first opening 112; the second receiving cavity 114 has a second opening 115. The first opening 112 and the second opening 115 are respectively located on opposite sides of the housing 100 along a first direction X. The liquid inlet 151 connects the first receiving cavity 111 and the second receiving cavity 114. The first liquid outlet 131 connects to the first receiving cavity 111. The second liquid outlet 141 connects to the second receiving cavity 114. The first IGBT module 200 covers the first opening 112 and is sealed to the housing 100. The second IGBT module 300 covers the second opening 115 and is sealed to the housing 100.

[0044] In some embodiments, the first outlet can direct coolant to the first motor, and the second outlet can direct coolant to the second motor.

[0045] In some embodiments, a first IGBT module 200 is inserted into and connected to a first opening 112, and a second IGBT module 300 is inserted into and connected to a second opening 115.

[0046] Firstly, it is understandable that since the first receiving cavity 111 is connected to the first liquid outlet 131 and the second receiving cavity 114 is connected to the second liquid outlet 141, the first receiving cavity 111 and the first liquid outlet 131 form one branch of the cooling flow channel, and the second receiving cavity 114 and the second liquid outlet 141 form another branch of the cooling flow channel. The two branches run in parallel and do not interfere with each other. The coolant in the two branches only needs to exchange heat with the IGBT module in that branch, and does not need to exchange heat with the IGBT module in the other branch. This avoids the problem of the coolant temperature rising and the cooling effect decreasing due to heat exchange with multiple IGBT modules in sequence, and improves the cooling efficiency of the motor controller.

[0047] Secondly, in the above embodiment, since the first opening 112 and the second opening 115 are respectively disposed on both sides of the housing 100 along the first direction X, the first IGBT module 200 is covered by the first opening 112, and the second IGBT module 300 is covered by the second opening 115. That is, the first IGBT module 200 and the second IGBT module 300 are respectively connected to both sides of the housing 100 along the first direction X, so as to improve the utilization rate of the housing 100, reduce the size of the housing 100, and thus improve the integration of the motor controller.

[0048] In some embodiments, please refer to Figure 3 , Figure 4 and Figure 5 The first receiving cavity 111 has a first bottom wall 113, the first bottom wall 113 has a first settling groove 117, and the liquid inlet 151 communicates with the first settling groove 117; and / or, the second receiving cavity 114 has a second bottom wall 116, the second bottom wall 116 is opposite to the first bottom wall 113 along the first direction X, the second bottom wall 116 has a second settling groove 118, and the liquid inlet 151 communicates with the second settling groove 118.

[0049] Specifically, in some embodiments, the first receiving cavity 111 has a first bottom wall 113, the first bottom wall 113 has a first settling groove 117, and the liquid inlet 151 communicates with the first settling groove 117; in some embodiments, the second receiving cavity 114 has a second bottom wall 116, the second bottom wall 116 is opposite to the first bottom wall 113 along a first direction X, the second bottom wall 116 has a second settling groove 118, and the liquid inlet 151 communicates with the second settling groove 118. In some embodiments, the first receiving cavity 111 has a first bottom wall 113, the first bottom wall 113 has a first settling groove 117, the liquid inlet 151 communicates with the first settling groove 117, and the second receiving cavity 114 has a second bottom wall 116, the second bottom wall 116 is opposite to the first bottom wall 113 along a first direction X, the second bottom wall 116 has a second settling groove 118, and the liquid inlet 151 communicates with the second settling groove 118.

[0050] Specifically, the liquid inlet hole 151 forms a third opening 152 in the wall of the first settling tank 117 to communicate with the first settling tank 117; the liquid inlet hole 151 forms a fourth opening 153 in the wall of the second settling tank 118 to communicate with the second settling tank 118.

[0051] It is understandable that, since the liquid inlet 151 needs to connect the first receiving cavity 111 and the second receiving cavity 114 at the same time, and the first receiving cavity 111 and the second receiving cavity 114 are spaced apart in the first direction X, that is, the liquid inlet 151 needs to cross the portion of the housing 100 that is spaced apart from the first receiving cavity 111 and the second receiving cavity 114.

[0052] In the above embodiments, by providing a first sink 117 and a second sink 118 such that the portion of the housing 100 located between the first receiving cavity 111 and the second receiving cavity 114 has a size along the first direction X near the liquid inlet 151, it is possible to allow the liquid inlet 151 to have a smaller size while simultaneously connecting the first receiving cavity 111 and the second receiving cavity 114.

[0053] In some embodiments, please refer to Figure 3 The first liquid outlet 131 and the second liquid outlet 141 are located on the same side of the housing 100 along the second direction Y, and the first direction X and the second direction Y are perpendicular to each other.

[0054] It is understood that in some embodiments, multiple motors are located on the same side of the motor controller. In the above embodiments, by setting the first liquid outlet 131 and the second liquid outlet 141 on the same side of the housing 100, it is convenient to connect the pipeline between the motor controller and the multiple motors, and to facilitate the installation of the motor controller.

[0055] In some embodiments, please refer to Figure 2 and Figure 3 The liquid inlet 151 is located on the side of the housing 100 opposite to the first liquid outlet 131 along the second direction Y.

[0056] It is understandable that, since the first liquid outlet 131 and the second liquid outlet 141 are located on the same side of the housing 100 along the second direction Y, the liquid inlet 151 is also located on the side of the housing 100 away from the second liquid outlet 141 along the second direction Y.

[0057] In the above embodiment, by setting the inlet hole 151 on the other side of the first outlet hole 131 and the second outlet hole 141, the path of the coolant flowing from the inlet hole 151 to the first outlet hole 131 and the second outlet hole 141 is made as smooth as possible, thereby reducing the flow resistance between the inlet hole 151 and the first outlet hole 131 and the second outlet hole 141 and improving the cooling efficiency of the motor controller.

[0058] In some embodiments, please refer to Figure 3 , Figure 4 and Figure 5 The housing 100 includes a body 110, a first connecting portion 130, and a second connecting portion 140. The body 110 has a first receiving cavity 111 and a second receiving cavity 114 on both sides along the first direction X. The first connecting portion 130 is connected to one side of the body 110 along the second direction Y, and a first liquid outlet 131 passes through the first connecting portion 130. The second connecting portion 140 is connected to the side of the body 110 along the second direction Y near the first connecting portion 130. The second connecting portion 140 and the first connecting portion 130 are spaced apart along the first direction X, and the second liquid outlet 141 passes through the second connecting portion 140.

[0059] In some embodiments, the first connecting portion 130 and the second connecting portion 140 are connectors, respectively.

[0060] In the first aspect, in the above embodiment, by providing the first connection part 130 and the second connection part 140, the motor controller can be more conveniently connected to the downstream pipeline to deliver coolant to the motor.

[0061] Secondly, in the above embodiments, by providing the first connecting portion 130 and the second connecting portion 140 at intervals along the first direction X, the distance from the first connecting portion 130 to the first receiving cavity 111 and the distance from the second connecting portion 140 to the second receiving cavity 114 can be reduced, thereby making the flow of coolant from the inlet hole 151 to the first outlet hole 131 and from the inlet hole 151 to the second outlet hole 141 smoother, thereby improving the cooling efficiency of the motor controller.

[0062] In some embodiments, the housing 100 further includes a third connecting portion 150, which is connected to the side of the body 110 opposite to the first connecting portion 130 along the second direction Y, and the liquid inlet hole 151 passes through the third connecting portion 150.

[0063] In some embodiments, please refer to Figure 6 and Figure 7 The first receiving cavity 111 has a first bottom wall 113, the first bottom wall 113 has a third settling groove 119, and the first liquid outlet 131 communicates with the third settling groove 119; and / or, the second receiving cavity 114 has a second bottom wall 116, the second bottom wall 116 is opposite to the first bottom wall 113 along the first direction X, the second bottom wall 116 has a fourth settling groove 120, and the second liquid outlet 141 communicates with the fourth settling groove 120.

[0064] In some embodiments, the first receiving cavity 111 has a first bottom wall 113, the first bottom wall 113 has a third settling groove 119, and the first outlet hole 131 communicates with the third settling groove 119; in some embodiments, the second receiving cavity 114 has a second bottom wall 116, the second bottom wall 116 is opposite to the first bottom wall 113 along a first direction X, the second bottom wall 116 has a fourth settling groove 120, and the second outlet hole 141 communicates with the fourth settling groove 120; in other embodiments, the first receiving cavity 111 has a first bottom wall 113, the first bottom wall 113 has a third settling groove 119, and the first outlet hole 131 communicates with the third settling groove 119; the second receiving cavity 114 has a second bottom wall 116, the second bottom wall 116 is opposite to the first bottom wall 113 along a first direction X, the second bottom wall 116 has a fourth settling groove 120, and the second outlet hole 141 communicates with the fourth settling groove 120.

[0065] Understandably, by providing the third settling tank 119, the depth of the first receiving cavity 111 at the connection with the first outlet hole 131 can be increased, thereby maximizing the flow cross-sectional area of ​​the first outlet hole 131 at the connection with the first receiving cavity 111. Similarly, by providing the fourth settling tank 120, the depth of the second receiving cavity 114 at the connection with the second outlet hole 141 can be increased, thereby maximizing the flow cross-sectional area of ​​the second outlet hole 141 at the connection with the second receiving cavity 114.

[0066] In some embodiments, the first liquid outlet 131 has an opening in the wall of the third settling tank 119, and the second liquid outlet 141 has an opening in the wall of the fourth settling tank 120.

[0067] In the above embodiments, by setting the third settling tank 119 and the fourth settling tank 120, the first liquid outlet 131 and the second liquid outlet 141 can have a large flow cross-sectional area, so that the coolant that has exchanged heat with the first IGBT module 200 and the second IGBT module 300 can quickly leave the first receiving cavity 111 and the second receiving cavity 114, thereby improving the heat exchange efficiency of the motor controller.

[0068] In some embodiments, please refer to Figure 3 The end of the first connecting portion 130 that is away from the main body 110 is moved away from the second connecting portion 140, so as to be inclined to the second connecting portion 140.

[0069] Specifically, the end of the first connecting portion 130 that is away from the main body 110 moves away from the second connecting portion 140 and is inclined to the second connecting portion 140. This can be understood as the first connecting portion 130 being inclined to the second connecting portion 140; or as the second connecting portion 140 being inclined to the first connecting portion 130; or as the first connecting portion 130 and the second connecting portion 140 being inclined to each other.

[0070] It is understandable that the end of the first connecting portion 130 away from the body 110 is positioned away from the second connecting portion 140, and is inclined to the second connecting portion 140, which means that the distance between the portions of the first connecting portion 130 and the second connecting portion 140 away from the housing 100 is greater than the distance between the portions of the first connecting portion 130 and the second connecting portion 140 close to the housing 100.

[0071] In the above embodiment, by tilting the first connecting part 130 to the second connecting part 140, a larger gap can be allowed between the portions of the first connecting part 130 and the second connecting part 140 that are away from the housing 100, thereby facilitating the installation of the pipeline on the first connecting part 130 and the second connecting part 140 and reducing the difficulty of using the motor controller.

[0072] In some embodiments, please refer to Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first receiving cavity 111 has a first bottom wall 113, and the second receiving cavity 114 has a second bottom wall 116. The first bottom wall 113 and the second bottom wall 116 are opposite to each other along the first direction X. The orthographic projection of the first bottom wall 113 along the second direction Y onto the plane where the second bottom wall 116 is located has a portion that overlaps with the second bottom wall 116. The first direction X and the second direction Y are perpendicular to each other.

[0073] In some embodiments, the orthographic projection of the first bottom wall 113 along the second direction Y onto the plane containing the second bottom wall 116 is located within the second bottom wall 116; in some embodiments, the orthographic projection of the second bottom wall 116 along the second direction Y onto the plane containing the first bottom wall 113 is located within the first bottom wall 113; in some embodiments, a portion of the orthographic projection of the first bottom wall 113 along the second direction Y onto the plane containing the second bottom wall 116 is located within the second bottom wall 116, and another portion is located outside the second bottom wall 116, while simultaneously, a portion of the orthographic projection of the second bottom wall 116 along the second direction Y onto the plane containing the first bottom wall 113 is located within the first bottom wall 113, and another portion is located outside the first bottom wall 113.

[0074] It is understood that the orthographic projection of the first bottom wall 113 onto the plane containing the second bottom wall 116 along the second direction Y overlaps with the second bottom wall 116. This means that the portion of the housing 100 used to connect the first IGBT module 200 and the second IGBT module 300 overlaps in the first direction X, and also means that the first IGBT module 200 and the second IGBT module 300 overlap in the first direction X. In the above embodiment, by defining the orthographic projection relationship of the first bottom wall 113 and the second bottom wall 116 in the second direction Y, the size of the motor controller in the direction perpendicular to the first direction X can be reduced, thereby allowing the motor controller to be further miniaturized.

[0075] In some embodiments, please refer to Figure 3 The housing 100 has a first connecting surface 160 and a second connecting surface 170 that are opposite to each other along a first direction X. The first connecting surface 160 is connected to the first IGBT module 200, and the second connecting surface 170 is connected to the second IGBT module 300. The motor controller also includes a first sealing element 400 and a second sealing element 500. The first sealing element 400 is embedded in the first connecting surface 160 and seals the first connecting surface 160 and the first IGBT module 200. The second sealing element 500 is embedded in the second connecting surface 170 and seals the second connecting surface 170 and the second IGBT module 300.

[0076] In some embodiments, the first seal 400 is a first sealing ring, and the second seal 500 is a second sealing ring.

[0077] In some embodiments, the first connecting surface 160 has a first groove surrounding the first opening 112, and the first seal 400 is embedded in the first groove; the second connecting surface 170 has a second groove surrounding the second opening 115, and the second sealing ring is embedded in the second groove.

[0078] In the above embodiments, by providing a first seal 400 and a second seal 500 between the housing 100 and the first IGBT module 200 and the second IGBT module 300 respectively, the sealing performance of the motor controller is improved, the possibility of coolant leakage from the first opening 112 and the second opening 115 is reduced, and the reliability of the motor controller is improved.

[0079] Accordingly, this application also provides a vehicle including a motor controller as described in any of the above embodiments.

[0080] The foregoing has provided a detailed description of a motor controller and vehicle provided in the embodiments of this application. Specific examples have been used in this application to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the technical solutions and core ideas of this application. Those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A motor controller, characterized in that, include: A housing (100) has a first receiving cavity (111), a second receiving cavity (114), a liquid inlet (151), a first liquid outlet (131), and a second liquid outlet (141). The first receiving cavity (111) has a first opening (112), and the second receiving cavity (114) has a second opening (115). The first opening (112) and the second opening (115) are respectively disposed on opposite sides of the housing (100) along a first direction (X). The liquid inlet (151) connects the first receiving cavity (111) and the second receiving cavity (114). The first liquid outlet (131) connects to the first receiving cavity (111), and the second liquid outlet (141) connects to the second receiving cavity (114). The first IGBT module (200) covers the first opening (112) and is sealed to the housing (100); The second IGBT module (300) covers the second opening (115) and is sealed to the housing (100).

2. The motor controller according to claim 1, characterized in that, The first receiving cavity (111) has a first bottom wall (113), the first bottom wall (113) has a first settling groove (117), and the liquid inlet (151) communicates with the first settling groove (117); and / or, The second receiving cavity (114) has a second bottom wall (116) which is opposite to the first bottom wall (113) along the first direction (X). The second bottom wall (116) has a second settling groove (118), and the liquid inlet (151) communicates with the second settling groove (118).

3. The motor controller according to claim 1, characterized in that, The first liquid outlet (131) and the second liquid outlet (141) are disposed on the same side of the housing (100) along the second direction (Y), and the first direction (X) and the second direction (Y) are perpendicular to each other.

4. The motor controller according to claim 3, characterized in that, The liquid inlet (151) is located on the side of the housing (100) opposite to the first liquid outlet (131) along the second direction (Y).

5. The motor controller according to claim 3, characterized in that, The housing (100) includes: The body (110) has a first receiving cavity (111) and a second receiving cavity (114) on both sides along the first direction (X); A first connecting part (130) is connected to one side of the body (110) along the second direction (Y), and a first liquid outlet (131) passes through the first connecting part (130). The second connecting part (140) is connected to the side of the body (110) along the second direction (Y) close to the first connecting part (130). The second connecting part (140) and the first connecting part (130) are spaced apart along the first direction (X). The second liquid outlet (141) passes through the second connecting part (140).

6. The motor controller according to claim 5, characterized in that, The first receiving cavity (111) has a first bottom wall (113), the first bottom wall (113) has a third settling groove (119), and the first liquid outlet (131) communicates with the third settling groove (119); and / or, The second receiving cavity (114) has a second bottom wall (116), which is opposite to the first bottom wall (113) along the first direction (X). The second bottom wall (116) has a fourth settling tank (120), and the second liquid outlet (141) communicates with the fourth settling tank (120).

7. The motor controller according to claim 5, characterized in that, The end of the first connecting portion (130) away from the body (110) is moved away from the second connecting portion (140) and is inclined to the second connecting portion (140).

8. The motor controller according to claim 1, characterized in that, The first receiving cavity (111) has a first bottom wall (113), and the second receiving cavity (114) has a second bottom wall (116). The first bottom wall (113) and the second bottom wall (116) are opposite to each other along the first direction (X). The orthographic projection of the first bottom wall (113) along the second direction (Y) onto the plane where the second bottom wall (116) is located overlaps with the second bottom wall (116). The first direction (X) and the second direction (Y) are perpendicular to each other.

9. The motor controller according to claim 1, characterized in that, The housing (100) has a first connecting surface (160) and a second connecting surface (170) that are opposite to each other along the first direction (X). The first connecting surface (160) is connected to the first IGBT module (200), and the second connecting surface (170) is connected to the second IGBT module (300). The motor controller further includes a first sealing element (400) and a second sealing element (500). The first sealing element (400) is embedded in the first connecting surface (160) and seals the first connecting surface (160) and the first IGBT module (200). The second sealing element (500) is embedded in the second connecting surface (170) and seals the second connecting surface (170) and the second IGBT module (300).

10. A vehicle, characterized in that, Includes the motor controller as described in any one of claims 1 to 9.

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