Electric drive assembly integrated with dual-motor controller and vehicle

By adopting a three-in-one integrated housing and water-cooling design in the motor controller, the problems of low integration and poor heat dissipation in the independent housing design of the motor controller are solved, and compact connection and efficient heat dissipation of the motor, reducer and motor controller are achieved, which reduces costs and extends service life.

CN120613893APending Publication Date: 2025-09-09ZHIXIN TECH CO LTD
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Patent Information

Application Number
CN202510817811.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-18
Publication Date
2025-09-09

AI Technical Summary

Technical Problem

The motor controllers of existing new energy electric vehicles have low integration, high cost, and poor capacitor heat dissipation performance due to their independent housing design, making it difficult to meet the requirements of lightweight and high power density.

Method used

A three-in-one integrated housing is used to integrate the motor, reducer and motor controller. A cooling channel is set inside, and the capacitor cavity is divided into upper and lower cavities by a water-cooling mounting plate. Power devices and busbar film capacitors are installed independently to achieve water cooling.

Benefits of technology

The structure compactness and integration of the motor controller are improved, the cost is reduced, and the device temperature is reduced by the independently working capacitors, thereby extending the service life.

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Abstract

The invention relates to an electric drive assembly integrated with a double-motor controller and a vehicle, and the electric drive assembly comprises a three-in-one integrated shell which is used for being in integrated connection with a motor, a speed reducer and the motor controller, a motor controller containing cavity with the top open and the periphery closed is formed in the three-in-one integrated shell, and a cooling flow channel is formed in the three-in-one integrated shell; the motor controller comprises a water channel capacitor cavity shell fixed in the motor controller accommodating cavity, a water-cooling mounting plate is arranged in the water channel capacitor cavity shell, the water-cooling mounting plate divides the water channel capacitor cavity shell into an upper accommodating cavity and a lower accommodating cavity which are vertically separated, and a power device in contact with the water-cooling mounting plate is arranged in the upper accommodating cavity; and a bus film capacitor in contact with the water-cooling mounting plate is arranged in the lower accommodating cavity. The water-cooling mounting plate in the water channel capacitor cavity shell divides the water channel capacitor cavity shell into the upper containing cavity and the lower containing cavity, the power device and the bus thin-film capacitor located in the upper containing cavity and the lower containing cavity work independently, the working temperature of the power device and the bus thin-film capacitor is reduced, and the service life of a product is prolonged.
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Description

Technical Field

[0001] The present application relates to the technical field of electric drive assemblies, and in particular to an electric drive assembly and a vehicle with an integrated dual-motor controller. Background Art

[0002] With the rapid development of new energy vehicles, the development of motor controllers is also increasing. As a key component of electric vehicles, the motor controller plays the role of inverting the DC power of the battery pack into the AC power required by the three-phase motor. In order to improve the power density of the motor controller, integrated modular development has become a trend; the capacitors, power modules and driver boards, and current sensors in the motor controller are its main components.

[0003] The capacitor smoothes the bus voltage, ensuring that the motor controller's bus voltage remains relatively smooth during IGBT switching, effectively preventing bus voltage overshoots and transient voltage fluctuations that could impact the motor controller. The power module and driver board convert DC power into the current required by the motor's three phases, providing high-speed switching and high-voltage, high-current handling capabilities. The current sensor monitors the motor controller's output current in real time and provides feedback, enabling closed-loop monitoring of the output current.

[0004] Due to space constraints on existing new energy electric vehicles, motor controllers must be lightweight, integrated, and feature high power density to meet customer needs. Existing motor controller solutions utilize a separate controller assembly and a separate motor housing. These housings comprise a motor housing, a main housing for the electric control waterway, an upper housing, an upper cover, and a lower cover. Capacitors are housed in plastic housings, and the combination of the plastic material and vibration can lead to low capacitor retention reliability and poor heat dissipation. Summary of the Invention

[0005] The embodiments of the present application provide an electric drive assembly and vehicle with an integrated dual-motor controller to solve the problem of the motor controller and the motor housing being designed as independent housings in the related art, which has low integration, high cost, and difficulty in meeting the heat dissipation requirements of components such as capacitors.

[0006] In a first aspect, an embodiment of the present application provides an electric drive assembly with an integrated dual-motor controller, comprising: A three-in-one integrated housing, which is used to integrate and connect the motor, reducer and motor controller. The three-in-one integrated housing has a motor controller accommodating chamber with a top opening and a closed periphery. The three-in-one integrated housing has a cooling channel. A motor controller, the motor controller comprising a water channel capacitor chamber housing fixed within the motor controller accommodating chamber, the water channel capacitor chamber housing being provided with a water cooling mounting plate, the water cooling mounting plate dividing the water channel capacitor chamber housing into an upper chamber and a lower chamber separated from each other; The water-cooling mounting plate is provided with a capacitor water-cooling channel that is interconnected with the cooling channel of the three-in-one integrated shell, the upper cavity is provided with a power device that is in contact with the water-cooling mounting plate, and the lower cavity is provided with a busbar film capacitor that is in contact with the water-cooling mounting plate.

[0007] In some embodiments: the water channel capacitor chamber housing is further provided with a partition bar located in the upper chamber and connected to the water cooling mounting plate, the partition bar divides the upper chamber into a first upper chamber and a second upper chamber, and the power device is provided in two groups and is respectively located in the first upper chamber and the second upper chamber.

[0008] In some embodiments: the motor controller also includes a DC support seat, a drive board and a three-phase copper busbar current sensor integrated seat, and the DC support seat, the drive board and the three-phase copper busbar current sensor integrated seat are respectively provided with two groups, and the DC support seat, the drive board and the three-phase copper busbar current sensor integrated seat are each provided in the first upper cavity and the second upper cavity. The DC support seat is connected to the input end of the power device, the three-phase copper busbar current sensor integrated seat is connected to the output end of the power device, and the drive board is connected to the control end of the power device.

[0009] In some embodiments: the motor controller further includes an upper cover that closes the top opening of the upper cavity, a control board connected to the upper cover is further provided in the upper cavity, and a shielding plate is connected to the side of the control board away from the upper cover.

[0010] In some embodiments: a plurality of mounting holes for connecting to the upper cover are provided on the top edge of the water channel capacitor chamber housing, an upwardly protruding top cover is provided at one end of the top of the upper cover, and a connector for connecting to the control board is provided inside the top cover.

[0011] In some embodiments: the water-cooling mounting plate includes a partition plate and a water-cooling plate that are interconnected, a water-cooling channel is provided on a side of the water-cooling plate close to the partition plate, the water-cooling plate and the partition plate are sealed and connected to each other to form the capacitor water-cooling channel, and a liquid inlet and a liquid outlet that are connected to the water-cooling channel are provided on a side of the partition plate away from the water-cooling plate, and the liquid inlet and the liquid outlet are sealed and connected to the cooling channel via a sealing ring.

[0012] In some embodiments: there are multiple busbar film capacitors, and the multiple busbar film capacitors are fixed in the lower cavity by encapsulating with a sealing glue. The cavity wall of the lower cavity is provided with a protrusion or a groove to increase the bonding force between the sealing glue and the lower cavity.

[0013] In some embodiments: a high-voltage filter connected to the busbar film capacitor is provided in the motor controller accommodating cavity, the high-voltage filter is located outside the water channel capacitor cavity shell, and the high-voltage filter is connected to a battery pack cable connector for connecting to the battery pack.

[0014] In some embodiments: lifting ears are provided at both ends of the top of the water channel capacitor chamber shell, and a motor and a reducer are installed in the three-in-one integrated shell, and the motor includes a dual drive motor or a drive motor and a generator.

[0015] A second aspect of an embodiment of the present application provides a vehicle comprising an electric drive assembly with an integrated dual-motor controller as described in any one of the above.

[0016] The beneficial effects of the technical solution provided by this application include: An embodiment of the present application provides an electric drive assembly and a vehicle with an integrated dual-motor controller. Since the electric drive assembly with an integrated dual-motor controller of the present application is provided with a three-in-one integrated shell, the three-in-one integrated shell is used to integrate and connect the motor, the reducer and the motor controller. The three-in-one integrated shell is provided with a motor controller accommodating chamber with a top opening and closed on all sides, and a cooling channel is provided in the three-in-one integrated shell; the motor controller includes a water channel capacitor chamber shell fixed in the motor controller accommodating chamber, a water cooling mounting plate is provided in the water channel capacitor chamber shell, and the water cooling mounting plate divides the water channel capacitor chamber shell into an upper chamber and a lower chamber separated from each other; the water cooling mounting plate is provided with a capacitor water cooling channel that is interconnected with the cooling channel of the three-in-one integrated shell, the upper chamber is provided with a power device in contact with the water cooling mounting plate, and the lower chamber is provided with a busbar film capacitor in contact with the water cooling mounting plate.

[0017] Therefore, the three-in-one integrated housing of the electric drive assembly with integrated dual-motor controller of the present application can integrate the motor, reducer and motor controller. The motor, reducer and motor controller share the three-in-one integrated housing and are connected as a whole, making the structure of the motor, reducer and motor controller more compact, making the product modular, highly integrated and reducing costs. A motor controller accommodating chamber with a top opening and four sides closed is provided on the three-in-one integrated housing. A cooling channel is provided in the three-in-one integrated housing. A water channel capacitor chamber housing is installed in the motor controller accommodating chamber. The water cooling mounting plate in the water channel capacitor chamber housing separates the water channel capacitor chamber housing into an upper chamber and a lower chamber. The power devices and busbar film capacitors located in the upper chamber and the lower chamber work independently and reduce their operating temperature, thereby increasing the service life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] Figure 1 This is an exploded diagram of the structure of an embodiment of the present application; Figure 2 A cross-sectional view of the structure of a motor controller according to an embodiment of the present application; Figure 3 This is a schematic structural diagram of the water channel capacitor chamber housing from a first perspective according to an embodiment of the present application; Figure 4 This is a structural schematic diagram of the water channel capacitor chamber shell from a second perspective of an embodiment of the present application.

[0020] Reference numerals: 100, three-in-one integrated housing; 110, motor controller housing; 200, motor controller; 210, water channel capacitor housing; 211, water cooling mounting plate; 212, upper housing; 213, lower housing; 214, partition plate; 215, water cooling plate; 216, liquid inlet; 217, liquid outlet; 218, lifting lug; 219, partition bar; 220. Busbar film capacitor; 221. High-voltage filter; 222. Battery pack cable connector; 230. Power device; 240. DC support seat; 250. Driver board; 260. Three-phase copper busbar current sensor integrated seat; 270. Shielding plate; 280. Upper cover; 281. Top cover; 290. Control board; 291. Connector. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0022] The embodiments of the present application provide an electric drive assembly and vehicle with an integrated dual-motor controller, which can solve the problem of the motor controller and the motor housing being designed as independent shells in the related art, which has low integration, high cost, and difficulty in meeting the heat dissipation problems of components such as capacitors.

[0023] See also Figures 1 to 4As shown, a first aspect of an embodiment of the present application provides an electric drive assembly with an integrated dual-motor controller, comprising: The three-in-one integrated housing 100 is used to integrate and connect the motor, reducer, and motor controller 200. The motor, reducer, and motor controller 200 are connected together through the three-in-one integrated housing 100. The three-in-one integrated housing 100 has a motor controller accommodating chamber 110 with an open top and a sealed perimeter. The motor controller accommodating chamber 110 is used to accommodate and install the motor controller 200. The three-in-one integrated housing 100 is provided with a cooling channel for cooling the motor, reducer, and motor controller 200.

[0024] The motor controller 200 includes a water channel capacitor chamber housing 210 fixed within the motor controller housing 110. A water cooling mounting plate 211 is provided within the water channel capacitor chamber housing 210. The water cooling mounting plate 211 divides the water channel capacitor chamber housing 210 into an upper chamber 212 and a lower chamber 213, which are separated from each other. The water cooling mounting plate 211 includes capacitor water cooling channels interconnected with the cooling channels of the three-in-one integrated housing 100. The upper chamber 212 includes a power device 230 in contact with the water cooling mounting plate 211. The lower chamber 213 includes a busbar film capacitor 220 in contact with the water cooling mounting plate 211.

[0025] The three-in-one integrated housing 100 of the electric drive assembly with an integrated dual-motor controller in the embodiment of the present application can integrate and install the motor, reducer and motor controller 200. The motor, reducer and motor controller 200 share the three-in-one integrated housing 100 and are connected as a whole, making the structure of the motor, reducer and motor controller 200 more compact, making the product modular, highly integrated and reducing costs.

[0026] A motor controller accommodating chamber 110 with an opening on the top and closed on all sides is provided on the three-in-one integrated housing 100. A cooling channel is provided in the three-in-one integrated housing 100. A water channel capacitor chamber housing 210 is installed in the motor controller accommodating chamber 110. A water cooling mounting plate 211 in the water channel capacitor chamber housing 210 separates the water channel capacitor chamber housing 210 into an upper chamber 212 and a lower chamber 213. The power device 230 and the busbar film capacitor 220 located in the upper chamber 212 and the lower chamber 213 can operate independently in their respective chambers and reduce their operating temperature, thereby increasing the service life of the product.

[0027] In some alternative embodiments: See Figure 2 and Figure 3As shown, an embodiment of the present application provides an electric drive assembly with an integrated dual-motor controller. The water channel capacitor chamber shell 210 of the electric drive assembly with an integrated dual-motor controller is also provided with a partition bar 219 located in the upper chamber 212 and connected to the water-cooling mounting plate 211. The partition bar 219 divides the upper chamber 212 into a first upper chamber and a second upper chamber. The power device 230 is provided in two groups and is respectively located in the first upper chamber and the second upper chamber.

[0028] The motor controller 200 also includes a DC support base 240, a driver board 250, and a three-phase copper busbar current sensor integrated base 260. These DC support base 240, driver board 250, and three-phase copper busbar current sensor integrated base 260 are provided in two groups, one in each of the first and second upper cavities. The DC support base 240 is connected to the input of the power device 230, the three-phase copper busbar current sensor integrated base 260 is connected to the output of the power device 230, and the driver board 250 is connected to the control terminal of the power device 230.

[0029] In the embodiment of the present application, the power device 230, the DC support seat 240, the drive board 250 and the three-phase copper busbar current sensor integrated seat 260 respectively located in the first upper cavity and the second upper cavity are connected with the busbar film capacitor 220 to form two groups of inverter brick modules. The two groups of inverter brick modules can be used as a dual electronic control controller for motor controllers, which can be a dual drive motor controller or an integrated dual electronic control controller for drive motor + generator.

[0030] In some alternative embodiments: See Figures 1 to 3 As shown, an embodiment of the present application provides an electric drive assembly with an integrated dual-motor controller. The motor controller of the integrated dual-motor controller further includes an upper cover 280 that closes the top opening of the upper chamber 212. A control board 290 connected to the upper cover 280 is also provided in the upper chamber 212. A shielding plate 270 is connected to the side of the control board 290 away from the upper cover 280. The top edge of the water channel capacitor chamber housing 210 is provided with multiple mounting holes for connecting to the upper cover 280. One end of the top of the upper cover 280 is provided with an upwardly protruding top cover 281. A connector 291 for connecting to the control board 290 is provided inside the top cover 281.

[0031] A high-voltage filter 221 connected to the busbar film capacitor 220 is provided within the motor controller housing 110. The high-voltage filter 221 is located outside the water channel capacitor housing 210 and is connected to a battery pack cable connector 222 for connecting to the battery pack. The battery pack cable connector 222 inputs DC power into the high-voltage filter 221 for filtering. The high-voltage filter 221 then inputs the filtered DC power into the busbar film capacitor 220 for energy storage and filtering. The DC power output by the busbar film capacitor 220 is transmitted via its copper busbar to the power device 230 for inversion or rectification. The power device 230 connects the inverted or rectified power to the three-phase copper busbar current sensor integrated seat 260 via the three-phase output copper busbar, and ultimately outputs the power to the motor load via the copper busbar.

[0032] In some alternative embodiments: See Figures 2 to 4 As shown, an embodiment of the present application provides an electric drive assembly with an integrated dual-motor controller. The water-cooling mounting plate 211 of the integrated dual-motor controller includes a partition plate 214 and a water-cooling plate 215 that are interconnected. The side of the water-cooling plate 215 that is close to the partition plate 214 is provided with a water-cooling channel. The water-cooling plate 215 and the partition plate 214 are sealed together to form a capacitor water-cooling channel. The side of the partition plate 214 that is away from the water-cooling plate 215 is provided with a liquid inlet 216 and a liquid outlet 217 that communicate with the water-cooling channel. The liquid inlet 216 and the liquid outlet 217 are sealed to the cooling channel via a sealing ring.

[0033] There are multiple busbar film capacitors 220, and the multiple busbar film capacitors 220 are fixed in the lower cavity 213 by potting with a solid sealant. The cavity wall of the lower cavity 213 is provided with a protrusion or groove to increase the bonding strength of the solid sealant and the lower cavity, thereby ensuring the anti-vibration reliability of the product. There are lifting ears 218 at both ends of the top of the water channel capacitor cavity housing 210. The lifting ears 218 are used to hoist the entire motor controller 200 and assemble it with the three-in-one integrated housing 100. The three-in-one integrated housing 100 is equipped with a motor and a reducer. The motor includes a dual drive motor or a drive motor and a generator.

[0034] A second aspect of an embodiment of the present application provides a vehicle comprising an electric drive assembly with an integrated dual-motor controller as described in any one of the above.

[0035] How it works The embodiment of the present application provides an electric drive assembly and a vehicle with an integrated dual-motor controller. Since the electric drive assembly with an integrated dual-motor controller of the present application is provided with a three-in-one integrated housing 100, the three-in-one integrated housing 100 is used to integrate and connect the motor, the reducer and the motor controller 200. The three-in-one integrated housing 100 is provided with a motor controller accommodating cavity 110 with a top opening and a closed periphery. A cooling flow channel is provided in the three-in-one integrated housing 100; the motor controller 200 includes a motor controller accommodating cavity 110 fixed in the motor controller accommodating cavity. 110, a water channel capacitor cavity shell 210 is provided in the water channel capacitor cavity shell 210, and a water cooling mounting plate 211 is provided in the water channel capacitor cavity shell 210, and the water cooling mounting plate 211 divides the water channel capacitor cavity shell 210 into an upper cavity 212 and a lower cavity 213 separated from each other; a capacitor water cooling channel is provided in the water cooling mounting plate 211 and is interconnected with the cooling channel of the three-in-one integrated shell 100, a power device 230 in contact with the water cooling mounting plate 211 is provided in the upper cavity 212, and a busbar film capacitor 220 in contact with the water cooling mounting plate 211 is provided in the lower cavity 213.

[0036] Therefore, the three-in-one integrated housing 100 of the electric drive assembly with integrated dual motor controller of the present application can integrate the motor, reducer and motor controller 200. The motor, reducer and motor controller 200 share the three-in-one integrated housing 100 and are connected as a whole, making the structure of the motor, reducer and motor controller 200 more compact, making the product modular, highly integrated and reducing costs. A motor controller accommodating chamber 110 with a top opening and four sides closed is provided on the three-in-one integrated housing 100. A cooling channel is provided in the three-in-one integrated housing 100. A water channel capacitor chamber housing 210 is installed in the motor controller accommodating chamber 110. The water cooling mounting plate 211 in the water channel capacitor chamber housing 210 separates the water channel capacitor chamber housing 210 into an upper chamber 212 and a lower chamber 213. The power devices 230 and busbar film capacitors 220 located in the upper chamber 212 and the lower chamber 213 work independently and reduce their operating temperature, thereby increasing the service life of the product.

[0037] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0038] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0039] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.

Claims

1. An electric drive assembly with an integrated dual-motor controller, characterized in that: include: A three-in-one integrated housing (100) is used for integrating and connecting a motor, a reducer, and a motor controller (200); a motor controller accommodating chamber (110) with a top opening and a circumferentially closed structure is provided on the three-in-one integrated housing (100); and a cooling channel is provided in the three-in-one integrated housing (100); A motor controller (200), the motor controller (200) comprising a water channel capacitor chamber housing (210) fixed within the motor controller accommodating chamber (110), a water cooling mounting plate (211) being provided within the water channel capacitor chamber housing (210), the water cooling mounting plate (211) dividing the water channel capacitor chamber housing (210) into an upper chamber (212) and a lower chamber (213) separated from each other; A capacitor water-cooling channel interconnected with the cooling channel of the three-in-one integrated housing (100) is provided in the water-cooling mounting plate (211), a power device (230) in contact with the water-cooling mounting plate (211) is provided in the upper cavity (212), and a busbar film capacitor (220) in contact with the water-cooling mounting plate (211) is provided in the lower cavity (213).

2. The electric drive assembly with integrated dual-motor controller according to claim 1, characterized in that: The water channel capacitor cavity housing (210) is further provided with a partition bar (219) located in the upper cavity (212) and connected to the water-cooling mounting plate (211), wherein the partition bar (219) divides the upper cavity (212) into a first upper cavity and a second upper cavity, and the power device (230) is provided in two groups and is respectively located in the first upper cavity and the second upper cavity.

3. The electric drive assembly with integrated dual-motor controller according to claim 2, characterized in that: The motor controller (200) further comprises a DC support base (240), a drive board (250) and a three-phase copper busbar current sensor integrated base (260), wherein the DC support base (240), the drive board (250) and the three-phase copper busbar current sensor integrated base (260) are respectively provided with two groups; The DC support seat (240), the drive board (250) and the three-phase copper busbar current sensor integrated seat (260) are each provided in the first upper cavity and the second upper cavity. The DC support seat (240) is connected to the input end of the power device (230), the three-phase copper busbar current sensor integrated seat (260) is connected to the output end of the power device (230), and the drive board (250) is connected to the control end of the power device (230).

4. The electric drive assembly with integrated dual-motor controller according to claim 1, characterized in that: The motor controller (200) further comprises an upper cover (280) that closes the top opening of the upper cavity (212); a control board (290) connected to the upper cover (280) is further provided in the upper cavity (212); a shielding plate (270) is connected to the side of the control board (290) away from the upper cover (280).

5. The electric drive assembly with integrated dual-motor controller according to claim 4, characterized in that: The top edge of the water channel capacitor chamber housing (210) is provided with a plurality of mounting holes for connecting to the upper cover (280), one end of the top of the upper cover (280) is provided with an upwardly protruding top cover (281), and a connector (291) for connecting to the control board (290) is provided inside the top cover (281).

6. The electric drive assembly with integrated dual-motor controller according to claim 1, characterized in that: The water-cooling mounting plate (211) comprises a partition plate (214) and a water-cooling plate (215) connected to each other, a water-cooling channel is provided on a side of the water-cooling plate (215) close to the partition plate (214), the water-cooling plate (215) and the partition plate (214) are sealed to each other to form the capacitor water-cooling channel, and a liquid inlet (216) and a liquid outlet (217) connected to the water-cooling channel are provided on a side of the partition plate (214) away from the water-cooling plate (215), and the liquid inlet (216) and the liquid outlet (217) are sealed to the cooling channel via a sealing ring.

7. The electric drive assembly with integrated dual-motor controller according to claim 1, characterized in that: The busbar film capacitor (220) is provided in plurality, and the plurality of busbar film capacitors (220) are fixed in the lower cavity (213) by encapsulating with a sealing glue, and a cavity wall of the lower cavity (213) is provided with a protrusion or a groove to increase the bonding force between the sealing glue and the lower cavity (213).

8. The electric drive assembly with integrated dual-motor controller according to claim 1, characterized in that: A high-voltage filter (221) connected to the busbar film capacitor (220) is provided in the motor controller accommodating cavity (110); the high-voltage filter (221) is located outside the water channel capacitor cavity housing (210); and the high-voltage filter (221) is connected to a battery pack cable connector (222) for connecting to a battery pack.

9. The electric drive assembly with integrated dual-motor controller according to claim 1, characterized in that: Lifting ears (218) are provided at both ends of the top of the water channel capacitor chamber housing (210). A motor and a reducer are installed in the three-in-one integrated housing (100), and the motor includes a dual drive motor or a drive motor and a generator.

10. A vehicle, characterized in that: An electric drive assembly comprising the integrated dual-motor controller according to any one of claims 1 to 9.

Citation Information

Patent Citations

  • Double-face heat dissipation motor controller, power assembly and electric vehicle

    CN119053123A

  • Integrated efficient heat dissipation electric control shell, motor controller and electric drive assembly

    CN119562469A

  • Motor controller, electric drive assembly and vehicle

    CN119865028A

  • Dual-motor controller

    CN214506817U

  • Motor controller and new energy automobile

    CN215872091U