Motor controller and electronic equipment

Abstract

The utility model discloses a motor controller and an electronic device, the motor controller comprises a housing, a membrane capacitor module, a silicon carbide module, a circuit board, an input row group and an output row group, and the housing is provided with an accommodating cavity; the membrane capacitor module is accommodated in the accommodating cavity; the silicon carbide module is contained in the containing cavity and located on one side of the film capacitor module. The circuit board is accommodated in the accommodating cavity, is respectively connected with the film capacitor module and the silicon carbide module, and is used for controlling current conversion between the film capacitor module and the silicon carbide module; the input row group is connected to the input end of the membrane capacitor module and is used for being connected with an external power supply; one end of the output row group is connected to the silicon carbide module, and the other end of the output row group is connected with a motor. Therefore, by adopting the motor controller provided by the invention, the film capacitor module, the silicon carbide module and the circuit board can be assembled and installed, so that the situation that each module and the circuit board are independently and separately arranged to occupy too much space is avoided, and the motor controller is relatively convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to the field of automobile, especially a motor controller and electronic equipment. BACKGROUND

[0002] The motor of the automobile usually needs to be realized through the motor control structure, and each functional module in the control structure of the motor is independently arranged, and then is connected with the control panel through the wire harness, which makes the motor control structure occupy too much space, thereby bringing inconvenience, therefore, a motor controller needs to be designed, which can collect each functional module in the control structure of multiple motors, thereby realizing the management control of the motor. SUMMARY

[0003] In order to solve the above technical problems, the utility model embodiment provides a motor controller and electronic equipment convenient to use.

[0004] The utility model embodiment solves its technical problems by adopting the following technical scheme:

[0005] A motor controller, comprising a shell, a film capacitor module, a silicon carbide module, a circuit board, an input group and an output group, the shell is provided with a containing cavity; the film capacitor module is accommodated in the containing cavity; the silicon carbide module is accommodated in the containing cavity and located at one side of the film capacitor module; the circuit board is accommodated in the containing cavity, and the circuit board is connected with the film capacitor module and the silicon carbide module respectively, and the circuit board is used to control the current conversion between the film capacitor module and the silicon carbide module; the input group is connected to the input end of the film capacitor module, and the input group is used to be connected with the external power supply; one end of the output group is connected to the silicon carbide module, and the other end of the output group is used to be connected with the motor. Wherein, the film capacitor module comprises a first conductive sheet, a plurality of capacitor cores and a second conductive sheet arranged in sequence, a plurality of capacitor cores are connected to the first conductive sheet and the second conductive sheet respectively, and the input end of the first conductive sheet and the input end of the second conductive sheet are connected with the input group, and the output end of the first conductive sheet and the output end of the second conductive sheet are connected with the silicon carbide module.

[0006] In some embodiments, the film capacitor module further comprises an X filter capacitor and a Y filter capacitor, and the X filter capacitor and the Y filter capacitor are connected to the input group.

[0007] In some embodiments, the film capacitor module further comprises a magnetic ring, and the magnetic ring is accommodated in the containing cavity and surrounds the input group.

[0008] In some embodiments, the shell comprises a shell cover, the shell cover comprises a cover main body and a baffle, the cover main body is provided with a window penetrating in a first direction, the baffle is detachably connected to the cover main body and covers the window, wherein, along the first direction, the window is located above the input row group and the output row group.

[0009] In some embodiments, the circuit board is provided with an opening, the motor controller further comprises a current sensor, the current sensor is arranged on the circuit board through the opening, wherein the current sensor is provided with a plurality of avoiding openings, the output row group passes through a plurality of the avoiding openings and is connected to the silicon carbide module.

[0010] In some embodiments, the shell is provided with a mounting opening communicating with the accommodating cavity, the motor controller further comprises a signal adapter terminal, the signal adapter terminal is mounted in the mounting opening, and the signal adapter terminal is connected with the circuit board.

[0011] In some embodiments, the shell is provided with a liquid inlet and a liquid outlet located on the same side; the motor controller further comprises a cooling assembly, the cooling assembly is arranged in the accommodating cavity, and the cooling assembly is located between the silicon carbide module and the film capacitor module, a liquid inlet end of the cooling assembly is connected to the liquid inlet, and a liquid outlet end of the cooling assembly is connected to the liquid outlet.

[0012] In some embodiments, the cooling assembly comprises a cooling plate and a cover plate, the cooling plate is provided with a cooling channel, a groove, a first communication opening and a second communication opening, the cover plate is connected to the cooling plate and covers the cooling channel, and the first communication opening and the second communication opening are both in communication with the groove, wherein the cover plate is provided with an opening, one end of the cooling channel is communicated with the liquid inlet through the opening, the other end of the cooling channel is communicated with the first communication opening, and the second communication opening is communicated with the liquid outlet.

[0013] In some embodiments, the input row group and the output row group are located on the same side of the shell.

[0014] The technical problems of the embodiments of the utility model are solved by adopting the following technical solutions:

[0015] An electronic device comprises the motor controller.

[0016] The beneficial effects of this utility model embodiment are as follows: The motor controller provided in this application embodiment includes a housing, a membrane capacitor module, a silicon carbide module, a circuit board, an input array, and an output array. The housing has a receiving cavity; the membrane capacitor module is housed in the receiving cavity; the silicon carbide module is housed in the receiving cavity and located on one side of the membrane capacitor module; the circuit board is housed in the receiving cavity and is connected to both the membrane capacitor module and the silicon carbide module, and is used to control the current conversion between the membrane capacitor module and the silicon carbide module; the input array is connected to the input terminal of the membrane capacitor module and is used to connect to an external power source; one end of the output array is connected to the silicon carbide module, and the other end is used to connect to the motor. The silicon carbide module includes a first conductive sheet, multiple capacitor cores, and a second conductive sheet stacked sequentially. The multiple capacitor cores are respectively connected between the first and second conductive sheets, and the input terminals of both the first and second conductive sheets are connected to the input array. The output terminals of both the first and second conductive sheets are connected to the silicon carbide module. Thus, by using the motor controller of this application, the membrane capacitor module, silicon carbide module and circuit board can be installed together, avoiding the need for separate installation of each module and circuit board, which would occupy too much space and make it more convenient to use. Attached Figure Description

[0017] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0018] Figure 1 This is a schematic diagram of the structure of a motor controller according to one embodiment of this application;

[0019] Figure 2 yes Figure 1 Exploded structural diagram;

[0020] Figure 3 yes Figure 2 A diagram illustrating further decomposition;

[0021] Figure 4 yes Figure 3 A schematic diagram of the structure of the membrane capacitor module in the diagram;

[0022] Figure 5 yes Figure 3 An exploded view of the middle section structure;

[0023] Figure 6 This is a schematic diagram of the cooling component.

[0024] Figure 7 yes Figure 6 Exploded structural diagram;

[0025] Fig. 1, motor controller; 2, housing; 3, film capacitor module; 4, silicon carbide module; 5, circuit board; 6, input bank; 7, output bank; 8, current sensor; 9, magnetic piece; 10, signal transfer terminal; 12, cooling assembly; 13, sealing assembly; 14, sealing ring;

[0026] 201, accommodating cavity; 202, window; 203, mounting port; 204, liquid inlet; 205, liquid outlet; 21, shell cover; 211, cover main body; 212, baffle; 22, shell main body;

[0027] 31, first conductive sheet; 32, capacitor core; 33, second conductive sheet; 34, support base body; 35, X filtering capacitor; 36, Y filtering capacitor; 37, magnetic ring;

[0028] 41, mounting base body; 42, IGBT; 411, heat-conducting protruding column;

[0029] 51, opening;

[0030] 61, first input bank; 62, second input bank;

[0031] 71, U-phase output bank; 72, V-phase output bank; 73, W-phase output bank;

[0032] 81, avoiding port;

[0033] 121, cooling plate; 122, cover plate;

[0034] 1211, cooling channel; 1212, groove; 1213, first communication port; 1214, second communication port; 1221, communication hole. DETAILED DESCRIPTION

[0035] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal" and the like used in the specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety for the teachings relevant to the sentence and / or paragraph in which the reference is presented.

[0037] In addition, the technical features involved in the different embodiments of the application described below can be combined with each other as long as there is no conflict.

[0038] As Figures 1-3 shown, the motor controller 1 provided by one of the embodiments of the application includes a shell 2, a film capacitor module 3, a silicon carbide module 4, a circuit board 5, an input row group 6, and an output row group 7. The shell 2 is provided with a receiving cavity 201; the film capacitor module 3 is received in the receiving cavity 201; the silicon carbide module 4 is received in the receiving cavity 201 and located at one side of the film capacitor module 3; the circuit board 5 is received in the receiving cavity 201, and the circuit board 5 is connected with the film capacitor module 3 and the silicon carbide module 4 respectively, and the circuit board 5 is used to control and drive the current conversion between the film capacitor module 3 and the silicon carbide module 4; the input row group 6 is connected with the film capacitor module 3, and the input row group 6 is used to be connected with an external power supply; one end of the output row group 7 is connected with the silicon carbide module 4, and the other end of the output row group 7 is used to be connected with a motor.

[0039] In this way, by using the motor controller 1 of the application, the film capacitor module 3, the silicon carbide module 4, and the circuit board 5 can be collected and installed by the shell 2, so that the space occupied by the independent separation of each module and the circuit board 5 is avoided, and the use is more convenient.

[0040] It can be understood that the external power supply inputs direct current to the input row group 6, and flows to the silicon carbide module 4 after filtering and energy storage of the film capacitor module 2. Under the action of the silicon carbide module 4 and the circuit board 5, the direct current will be converted into three-phase alternating current, and output to the motor through the output row group 7.

[0041] In some embodiments, as Figure 3As shown, the shell 2 comprises a shell cover 21, the shell cover 21 comprises a cover main body 211 and a baffle 212, the cover main body 211 is provided with a window 202 penetrating in the first direction, the baffle 212 is detachably connected to the cover main body 211 and covers the window 202, wherein, in the first direction, the window 202 is above the input row group 6 and the output row group 7. In this way, the user only needs to remove the baffle 212 from the cover main body 211, and then uses the tool to extend into the storage cavity to disassemble or install the external connection terminal (for example, the positive and negative connection terminals of the external power supply, the U-phase input terminal, the V-phase input terminal and the W-phase input terminal of the motor), which is convenient for the user to disassemble and install, and has a certain convenience.

[0042] In some embodiments, as shown in Figure 3 As shown, the shell 2 further comprises a shell main body 22, the shell main body 22 is provided with a receiving cavity 201, and the shell main body 22 is connected with the shell cover 21, so that the shell cover 21 closes the receiving cavity 201 to protect the film capacitor module 3, the silicon carbide module 4 and the circuit board 5 stored in the receiving cavity 201, and avoid the external direct action on the components in the receiving cavity 201.

[0043] In some embodiments, as shown in Figure 4 As shown, the film capacitor module 3 comprises a first conductive sheet 31, a plurality of capacitor cores 32 and a second conductive sheet 33 arranged in sequence, the plurality of capacitor cores 32 are respectively connected to the first conductive sheet 31 and the second conductive sheet 33, the plurality of capacitor cores 32 are arranged alternately, the input end of the first conductive sheet 31 and the input end of the second conductive sheet 33 are connected with the input row group 6, and the output end of the first conductive sheet 31 and the output end of the second conductive sheet 33 are connected with the silicon carbide module 4. In this embodiment, the film capacitor module 3 further comprises a support base 34, the support base 34 is used for accommodating the first conductive sheet 31, the plurality of capacitor cores 32 and the second conductive sheet 33, so as to facilitate modular installation.

[0044] In some embodiments, as shown in Figure 4 As shown, the film capacitor module 3 further comprises an X filter capacitor 35 and a Y filter capacitor 36, the X filter capacitor 35 and the Y filter capacitor 36 are connected to the input row group 6, the X filter capacitor 35 and the Y filter capacitor 36 are used for filtering the current passing through the input row group 6, and can also resist interference and electromagnetic radiation, which is beneficial to improve the stability of the motor controller 1.

[0045] In some embodiments, as shown in Figure 4 As shown, the film capacitor module 3 further comprises a magnetic ring 37, the magnetic ring 37 is accommodated in the receiving cavity 201 and surrounds the input row group 6, under the action of the magnetic ring 37, it is beneficial to strengthen the resistance to external interference and electromagnetic radiation.

[0046] In some embodiments, as shown in Figure 5As shown, the silicon carbide module 4 includes a mounting base 41 and a plurality of IGBTs 42 (Insulated Gate Bipolar Transistor) mounted on the mounting base 41, the plurality of IGBTs 42 are electrically connected to the circuit board 5, and the mounting base 41 is connected to the circuit board 5. In this way, the circuit board 5 can control the operation of the silicon carbide module 4, so as to realize different functions of the circuit board 5 controlling the silicon carbide module 4. For example, when the silicon carbide module 4 is used as an electronic device of an automobile electric drive system for controlling the operation of a motor, its main function is to realize high-efficiency, high-power, and high-frequency power conversion and control. In this embodiment, as shown in Figure 3 The mounting base 41 is provided with a plurality of heat-conducting protrusions 411 on the side away from the plurality of IGBTs 42.

[0047] It can be understood that the circuit board 5 integrates a plurality of existing circuit modules, and the structure of the circuit modules will not be described here. The circuit modules include a power supply module, a driving module, an MCU control module, a current detection module, a temperature detection module, a voltage detection module, a communication module, and the like. In this embodiment, the circuit board 5 is provided with an opening 51.

[0048] In some embodiments, as shown in Figure 4 The input group 6 includes a first input row 61 and a second input row 62, the polarities of the first input row 61 and the second input row 62 are opposite, the first input row 61 is connected to the input end of the first conductive sheet 31, and the second input row 62 is connected to the second conductive sheet 33. The first input row 61 and the second input row 62 can be copper rows made of copper, or can be made of other metal materials, and the specific material can be set as needed.

[0049] In some embodiments, as shown in Figure 4 The output group 7 includes a U-phase output row 71, a V-phase output row 72, and a W-phase output row 73, one end of each of the U-phase output row 71, the V-phase output row 72, and the W-phase output row 73 is connected to the silicon carbide module 4, and the other end of each of the U-phase output row 71, the V-phase output row 72, and the W-phase output row 73 is used to be connected to a motor. Similarly, the U-phase output row 71, the V-phase output row 72, and the W-phase output row 73 can be copper rows made of copper, or can be made of other metal materials, and the specific material can be set as needed.

[0050] In some embodiments, as shown in Figure 3 The input group 6 and the output group 7 are located on the same side of the housing 2. Compared with the scheme that the input group 6 and the output group 7 are located on different sides of the housing 2, the orderly arrangement of the connection cables when the user connects the motor controller 1 to the automobile is facilitated, and the disorderly arrangement of the connection cables occupying too much space is avoided.

[0051] In some embodiments, as shown in Figure 3 With Figure 5 the motor controller 1 further comprises a current sensor 8, the current sensor 8 is disposed through the opening 51 on the circuit board 5, and the current sensor 8 is used to detect the current of the output bank 7. In this way, compared with the way that the circuit board 5 is directly stacked on the current sensor 8, the thickness of the motor controller 1 is reduced, and the space occupied by the motor controller 1 is reduced. In this embodiment, the current sensor 8 is provided with a plurality of avoiding openings 81, and the plurality of avoiding openings 81 are used for the output bank 7 to pass through, that is, the output bank 7 passes through the plurality of avoiding openings 81 and is connected to the silicon carbide module 4.

[0052] In some embodiments, as shown in Figure 3 the motor controller 1 further comprises a magnetic piece 9, the magnetic piece 9 is accommodated in the accommodating cavity 201, and the magnetic piece 9 is used to reduce external electromagnetic interference, so as to help the output bank 7 to output the required current to the motor. In this embodiment, the magnetic piece 9 and the output bank 7 are located on the same side of the shell 2, and the magnetic piece 9 is located in front of the output bank 7.

[0053] In some embodiments, as shown in Figure 3 the shell 2 is further provided with a mounting opening 203 in communication with the accommodating cavity 201, and the motor controller 1 further comprises a signal adapter terminal 10, the signal adapter terminal 10 is mounted in the mounting opening 203 and connected to the circuit board 5. In this way, the signal adapter terminal 10 can be used to establish signal communication with the outside world, for example, when the motor controller 1 is applied to a car, the signals of the car are transmitted to the circuit board 5 through the signal adapter terminal 10, so that the circuit board 5 processes the received data and controls the silicon carbide module 4 and the film capacitor module 3, and finally realizes the control of the motor. Similarly, the signal processed by the circuit board 5 can also be fed back to other control appliances of the car through the signal adapter terminal 10, so as to realize the timely control of the car.

[0054] In some embodiments, as shown in Figure 3 , Figure 6 the shell 2 is further provided with a liquid inlet 204 and a liquid outlet 205, and the motor controller 1 further comprises a cooling assembly 12, the cooling assembly 12 is arranged in the shell 2, the inlet end of the cooling assembly 12 is connected to the liquid inlet 204, and the outlet end of the cooling assembly 12 is connected to the liquid outlet 205. The cooling assembly 12 is used for heat dissipation of the silicon carbide module 4 and the film capacitor module 3. In this embodiment, as shown in Figures 6-7As shown, the cooling assembly 12 comprises a cooling plate 121 and a cover plate 122, the cooling plate 121 is provided with a cooling channel 1211, a groove 1212, a first communication port 1213 and a second communication port 1214, the cover plate 122 is connected to the cooling plate 121 and covers the cooling channel 1211, the first communication port 1213 and the second communication port 1214 are both in communication with the groove 1212, wherein the cover plate 122 is provided with a communication hole 1221, one end of the cooling channel 1211 is in communication with the liquid inlet 204 through the communication hole 1221, the other end of the cooling channel 1211 is in communication with the first communication port 1213, and the second communication port 1214 is in communication with the liquid outlet 205.

[0055] As can be understood, the first communication port 1213 and the second communication port 1214 can be located on opposite sides of the groove 1212, or can be located on adjacent sides of the groove 1212, and can be arranged as needed. In this embodiment, the first communication port 1213 and the second communication port 1214 are located on opposite sides of the groove 1212.

[0056] When the cooling liquid is introduced into the liquid inlet 204, the cooling liquid enters one end of the cooling channel 1211 along the liquid inlet 204, then flows in the cooling channel 1211 until the other end of the cooling channel 1211, and enters the groove 1212 through the first communication port 1213, and finally flows to the liquid outlet 205 through the second communication port 1214 and flows out. In this way, the cooling liquid absorbs the heat generated by the film capacitor module 3 and the silicon carbide module 4 during operation in the process of flowing, thereby playing a cooling role.

[0057] In some embodiments, as shown in Figure 3 The silicon carbide module 4 is arranged on the cooling plate 121, and the silicon carbide module 4 is located above the groove 1212, and a plurality of heat-conducting protrusions 411 extend into the groove 1212, so that the cooling liquid can absorb the heat conducted by the plurality of heat-conducting protrusions 411 when flowing through the groove 1212, so as to timely dissipate heat of the silicon carbide module 4, which is conducive to improving the heat dissipation efficiency.

[0058] In some embodiments, as shown in Figure 3 The motor controller 1 further comprises a sealing assembly 13 arranged between the shell 2 and the cooling assembly 12, and the sealing assembly 13 is used to improve the sealing performance between the shell 2 and the cooling assembly 12. In this embodiment, the sealing assembly 13 comprises a first sealing member 131 and a second sealing member 132, the first sealing member 131 is annularly arranged on the shell body 22 and surrounds the liquid inlet 204, and the second sealing member 132 is annularly arranged on the shell body 22 and surrounds the liquid outlet 205, so that when the shell cover 21 is connected to the shell body 22, the sealing performance of the liquid inlet 204 and the liquid outlet 205 is improved under the action of the first sealing member 131 and the second sealing member 132, and liquid leakage is avoided.

[0059] In some embodiments, as shown in Figure 3 The motor controller 1 further comprises a sealing ring 14 arranged on the side of the cooling plate 121 facing the silicon carbide module 4, and the sealing ring 14 is arranged around the groove 1212, which reduces the leakage of the cooling liquid flowing out through the gap between the silicon carbide module 4 and the cooling plate 121 at the groove 1212.

[0060] The motor controller 1 provided by the embodiments of the present application comprises a housing 2, a film capacitor module 3, a silicon carbide module 4, a circuit board 5, an input group 6 and an output group 7. The housing 2 is provided with a receiving cavity 201. The film capacitor module 3 is received in the receiving cavity 201. The silicon carbide module 4 is received in the receiving cavity 201 and located on one side of the film capacitor module 3. The circuit board 5 is received in the receiving cavity 201, and the circuit board 5 is connected with the film capacitor module 3 and the silicon carbide module 4 respectively. The circuit board 5 is used to control the current conversion between the film capacitor module 3 and the silicon carbide module 4. The input group 6 is connected to the input end of the film capacitor module 3, and the input group 6 is used to be connected with an external power supply. One end of the output group 7 is connected to the silicon carbide module 4, and the other end of the output group 7 is used to be connected with a motor. The film capacitor module 3 comprises a first conductive sheet 31, a plurality of capacitor cores 32 and a second conductive sheet 33 arranged in sequence. The plurality of capacitor cores 32 are connected between the first conductive sheet 31 and the second conductive sheet 33 respectively. The input end of the first conductive sheet 31 and the input end of the second conductive sheet 33 are connected with the input group 6. The output end of the first conductive sheet 31 and the output end of the second conductive sheet 33 are connected with the silicon carbide module 4. In this way, the film capacitor module 3, the silicon carbide module 4 and the circuit board 5 can be collected and installed by using the motor controller 1 of the present application, so that the space occupied by the modules and the circuit board 5 is reduced, and the motor controller 1 is convenient to use.

[0061] The electronic device provided by another embodiment of the present application comprises the motor controller 1 in the above embodiments. The electronic device includes but is not limited to electric vehicles, buses, small cars, high-speed rails, aircrafts, spacecrafts, smart home appliances and the like. The electronic device can be any product that needs to use the motor controller 1 to control the motor.

[0062] The above description is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields based on the content of the present application specification and drawings, are also included in the patent protection range of the present application.

Claims

1. An electric motor controller characterized by, The motor controller comprises a shell, a film capacitor module, a silicon carbide module, a circuit board, an input row group and an output row group. The shell is provided with a containing cavity. The film capacitor module is accommodated in the containing cavity. The silicon carbide module is accommodated in the containing cavity and located at one side of the film capacitor module. The circuit board is accommodated in the containing cavity and connected with the film capacitor module and the silicon carbide module respectively. The circuit board is used for controlling current conversion between the film capacitor module and the silicon carbide module. The input row group is connected with an input end of the film capacitor module and used for being connected with an external power supply. One end of the output row group is connected with the silicon carbide module and the other end of the output row group is used for being connected with a motor.

2. The motor controller of claim 1, wherein, The film capacitor module comprises a first conductive sheet, a plurality of capacitor cores and a second conductive sheet which are sequentially arranged in a stacking manner.

3. The motor controller of claim 2, wherein, The plurality of capacitor cores are connected with the first conductive sheet and the second conductive sheet respectively.

4. The motor controller of claim 1, wherein, The input end of the first conductive sheet and the input end of the second conductive sheet are connected with the input row group.

5. The motor controller of claim 1, wherein, The output end of the first conductive sheet and the output end of the second conductive sheet are connected with the silicon carbide module.

6. The motor controller of claim 3, wherein, The film capacitor module further comprises an X filter capacitor and a Y filter capacitor.

7. The motor controller of claim 1, wherein, The X filter capacitor and the Y filter capacitor are connected with the input row group. The film capacitor module further comprises a magnetic ring.

8. The motor controller of claim 7, wherein, The magnetic ring is accommodated in the containing cavity and surrounds the input row group.

9. The motor controller of any one of claims 1-8, wherein, The shell comprises a shell cover. The shell cover comprises a cover main body and a baffle. The cover main body is provided with a window penetrating in a first direction. The baffle is detachably connected with the cover main body and covers the window. In the first direction, the window is located above the input row group and the output row group. The circuit board is provided with an opening. The motor controller further comprises a current sensor. The current sensor is arranged in the circuit board through the opening. The current sensor is provided with a plurality of avoiding openings. The output row group passes through the plurality of avoiding openings and is connected with the silicon carbide module. The shell is provided with a mounting opening communicating with the containing cavity. The motor controller further comprises a signal adapter terminal. The signal adapter terminal is mounted in the mounting opening and connected with the circuit board. The shell is provided with a liquid inlet and a liquid outlet located at the same side. The motor controller further comprises a cooling assembly. The cooling assembly is arranged in the containing cavity and located between the silicon carbide module and the film capacitor module. The liquid inlet end of the cooling assembly is connected with the liquid inlet. The liquid outlet end of the cooling assembly is connected with the liquid outlet. The cooling assembly comprises a cooling plate and a cover plate. The cooling plate is provided with a cooling channel, a groove, a first communication opening and a second communication opening. The cover plate is connected with the cooling plate and covers the cooling channel. The first communication opening and the second communication opening communicate with the groove. The cover plate is provided with a communication hole. One end of the cooling channel communicates with the liquid inlet through the communication hole. The other end of the cooling channel communicates with the first communication opening. The second communication opening communicates with the liquid outlet. The input row group and the output row group are located at the same side of the shell.

10. An electronic device, comprising: A motor controller comprising any of the features of claims 1-9.

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