Three-phase output connector for motor controller, motor controller, new energy vehicle-mounted equipment and new energy vehicle
By integrating the connector, copper busbar, and magnetic ring encapsulation, the sealing and reliability issues when connecting the motor controller to the motor are resolved, achieving miniaturization and improved reliability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING ELECTRIC POWER TECH CO LTD
- Filing Date
- 2025-05-15
- Publication Date
- 2026-04-10
AI Technical Summary
When existing motor controllers are connected to motors, poor sealing and numerous independent components result in large equipment size and low reliability.
The integrated design encapsulates the connector, copper busbar, and magnetic ring in a plastic housing through injection molding, forming an integrated component that reduces connection points and enhances sealing.
It reduces the number of components, improves space utilization and reliability, simplifies installation and maintenance, and reduces equipment weight and potential failure points.
Smart Images

Figure CN224110534U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of motor controller, and particularly relates to a three-phase output connector for a motor controller, a motor controller, a new energy vehicle-mounted device and a new energy vehicle. BACKGROUND
[0002] In a motor controller and motor integrated design device, a controller shell and a motor shell are generally sealed at an interface end through a sealing strip.
[0003] The working mode of the connector in the related art is as follows: an IGBT power module output signal in a motor controller is transmitted to a motor through a copper bar after being filtered by a magnetic ring, and then a rotary variable signal is transmitted to the motor through a low-voltage connector installed at the interface end.
[0004] However, if the above connection assembly mode is used, the sealing between the motor and the motor controller is not conducive. In addition, due to too many independent components, the corresponding connection points are also increased, which easily causes the volume of the motor controller device to be increased, and further reduces the use reliability of the motor controller device. CONTENT OF THE UTILITY MODEL
[0005] The present application provides a three-phase output connector for a motor controller, a motor controller, a new energy vehicle-mounted device and a new energy vehicle, which adopts an integrated mode to reduce the volume occupied and increase the reliability of the motor controller.
[0006] The present application adopts the following technical solutions:
[0007] In a first aspect, the present application provides a three-phase output connector for a motor controller, wherein the three-phase output connector comprises: an integrated component, which is arranged on a shell of the motor controller to filter and transmit signals, and at least comprises:
[0008] a connector, which is a low-voltage connector;
[0009] a copper bar, which is used to connect the motor controller and the motor;
[0010] a magnetic ring, which is arranged around the copper bar to suppress interference;
[0011] The connector, the copper bar and the magnetic ring are integrally packaged in a plastic shell through sleeve connection.
[0012] In some embodiments, the copper bar further comprises: a controller end copper bar and a motor end copper bar,
[0013] the controller end copper bar is connected to an IGBT output terminal in the motor controller;
[0014] The motor end copper bar is connected with the motor three-phase line and is located inside the motor.
[0015] In some embodiments, the copper bar adopts a three-phase output copper bar, the connector adopts a low-voltage connector, and the low-voltage connector, the three-phase output copper bar, and the magnetic ring are integrally packaged by being injected into a plastic shell.
[0016] In some embodiments, the integrated assembly is fixed in the shell of the motor controller through a sealing strip added in a sealing groove reserved in the plastic shell and is sealed with the controller in the axial direction.
[0017] In some embodiments, the integrated assembly is fixed into the shell of the motor controller through two holes on the plastic shell.
[0018] In some embodiments, the material of the plastic shell is selected from a high-temperature-resistant nylon plastic shell.
[0019] In some embodiments, the pin needle material in the connector is selected from a copper-plated silver pin needle.
[0020] In the second aspect, the embodiments of the present application further provide a motor controller, comprising the three-phase output connector as described in the first aspect.
[0021] In the third aspect, the embodiments of the present application further provide a new energy vehicle-mounted device, comprising the motor controller as described in the second aspect.
[0022] In the fourth aspect, the embodiments of the present application further provide a new energy vehicle, comprising the new energy vehicle-mounted device as described in the third aspect.
[0023] The above at least one technical solution adopted by the embodiments of the present application can achieve the following beneficial effects: the three-phase output connector comprises an integrated assembly arranged on the shell of the motor controller for signal filtering and transmission, the integrated assembly at least comprises a connector, a low-voltage connector, a copper bar for connecting the motor controller and the motor, and a magnetic ring arranged around the copper bar for suppressing interference, and the connector, the copper bar, and the magnetic ring are integrally packaged by being sleeved in a plastic shell. The three-phase output connector for the motor controller used in the present application not only reduces the number of components, but also improves the space utilization of the controller and reduces the weight. Further, with the reduction of the connection points, the efficiency, reliability, and compactness of the motor control system are improved, and the installation and maintenance are simplified. BRIEF DESCRIPTION OF DRAWINGS
[0024] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0025] Figure 1 This is a schematic diagram showing the relationship between the three-phase output connector used for the motor controller and the controller and motor in an embodiment of this application.
[0026] Figure 2 This is a schematic diagram of the structure of the three-phase output connector for the motor controller in an embodiment of this application;
[0027] Figure 3 This is a schematic diagram of the connection relationship within the three-phase output connector of the motor controller in an embodiment of this application. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0029] The technical solutions provided by the various embodiments of this application are described in detail below with reference to the accompanying drawings.
[0030] like Figure 1 As shown, in this embodiment of the application, the three-phase output connector for the motor controller is connected to the motor and the motor controller respectively, and the motor controller transmits control signals to the motor through the three-phase output connector for the motor controller.
[0031] This application provides a three-phase output connector for a motor controller, such as... Figure 2 The diagram shows a schematic of the structure of a three-phase output connector for a motor controller in an embodiment of this application. The three-phase output connector includes an integrated component disposed on the housing of the motor controller for signal filtering and transmission. The integrated component includes at least: a connector 1, which is a low-voltage connector; a copper busbar 3, which is used to connect the motor controller and the motor; and a magnetic ring 2, which is disposed around the copper busbar to suppress interference. The connector 1, the copper busbar 3, and the magnetic ring 2 are integrated and packaged in a plastic housing 7.
[0032] Specifically, the integrated assembly is adopted in the three-phase output connector for motor controller, through which filtering and transmission of signals can be realized. The integrated assembly at least comprises a connector 1, a low-voltage connector is adopted; a copper bar 3, used to connect the motor controller and the motor; and a magnetic ring 2, arranged around the copper bar to suppress interference. The connector 1, the copper bar 3 and the magnetic ring 2 are integrated through an injection molding process to obtain the integrated assembly. The copper bar 3 adopts a three-phase copper bar and two ends thereof are respectively used to connect the motor controller and the motor. Further, the connector 1, the copper bar 3 and the magnetic ring 2 are integrated and packaged in a plastic shell 7, and are fixed on the motor shell through the plastic shell 7.
[0033] After the integrated design of the motor controller three-phase output connector in the three-phase output connector for motor controller, the independent devices are reduced, and the connection points are correspondingly reduced. Due to the reduction of the independent devices, the size of the motor controller is reduced and the weight of the controller is reduced. In addition, due to the reduction of the connection points, the failure points are also correspondingly reduced, and the reliability and maintainability of the entire device are improved.
[0034] As preferred in the embodiment, the copper bar further comprises a controller end copper bar 4 and a motor end copper bar 5, the controller end copper bar 4 is connected with an IGBT output terminal in the motor controller, and the motor end copper bar 5 is connected with a three-phase line of the motor and is located inside the motor.
[0035] As shown in Figure 3 The copper bar is sleeved in the plastic shell 7, the controller end copper bar 4 is connected with an IGBT output terminal in the motor controller, and the other end, i.e. the motor end copper bar 5, is connected with a three-phase line of the motor and is located inside the motor, thereby connecting the motor controller and the motor through the copper bar.
[0036] As preferred in the embodiment, the copper bar adopts a three-phase output copper bar, the connector adopts a low-voltage connector, and the low-voltage connector, the three-phase output copper bar and the magnetic ring are integrated and packaged in a plastic shell through injection molding.
[0037] It is preferred to adopt a three-phase output copper bar and a low-voltage connector, and the low-voltage connector, the three-phase output copper bar and the magnetic ring are integrated and packaged in a plastic shell through injection molding.
[0038] It should be noted that the injection molding process is known to those skilled in the art, and the product obtained through the injection molding process is protected in the embodiment of the application, not the injection molding process itself.
[0039] As preferred in the embodiment, the integrated assembly is fixed in the housing of the motor controller by the sealing strip 6 added in the sealing groove reserved in the plastic shell, and is sealed with the controller in the axial direction.
[0040] The plastic shell is fixed in the housing of the motor controller by multiple sealing strips 6, and is sealed with the controller in the axial direction.
[0041] As preferred in the embodiment, the integrated assembly is fixed in the housing of the motor controller by the two holes 8 on the plastic shell.
[0042] The integrated assembly is fixed in the housing of the motor controller by the two holes 8.
[0043] As preferred in the embodiment, the material of the plastic shell is high-temperature-resistant nylon.
[0044] As preferred in the embodiment, the pin needle material in the connector is a copper-plated silver pin needle.
[0045] Preferably, the pin needle material is copper-plated silver, and the material of the plastic shell is high-temperature-resistant nylon. Specifically, pin needle injection is first performed to fix the position of the pin needle, and then the magnetic ring and the copper bar are placed in the metal mold, and the integrated assembly is finally obtained by nylon potting, realizing integrated design of the connector.
[0046] The embodiment of the application also provides a motor controller, which comprises the three-phase output connector, and specifically comprises the integrated assembly arranged on the housing of the motor controller for signal filtering and transmission, and the integrated assembly at least comprises:
[0047] a connector, which is a low-voltage connector;
[0048] a copper bar for connecting the motor controller and the motor;
[0049] a magnetic ring arranged around the copper bar for suppressing interference;
[0050] The connector, the copper bar, and the magnetic ring are integrally packaged by sleeving in the plastic shell.
[0051] In some embodiments, the copper bar further comprises a controller-end copper bar and a motor-end copper bar,
[0052] The controller-end copper bar is connected with an IGBT output terminal in the motor controller.
[0053] The motor-end copper bar is connected with three-phase lines of the motor and is located inside the motor.
[0054] In some embodiments, the copper bar adopts a three-phase output copper bar, the connector adopts a low-voltage connector, and the low-voltage connector, the three-phase output copper bar and the magnetic ring are integrally packaged by injection molding in a plastic shell.
[0055] In some embodiments, the integrated assembly is fixed in the shell of the motor controller through a sealing strip added in a sealing groove reserved in the plastic shell, and is sealed with the controller in the axial direction.
[0056] In some embodiments, the integrated assembly is fixed into the shell of the motor controller through two holes on the plastic shell.
[0057] In some embodiments, the material of the plastic shell is a high-temperature-resistant nylon plastic shell.
[0058] In some embodiments, the pin needle material in the connector is a copper-plated silver pin needle.
[0059] The embodiments of the present application also provide a new energy vehicle-mounted device, which comprises the motor controller.
[0060] The motor controller can be used as a new energy vehicle-mounted device, and has the corresponding beneficial effects of the motor controller.
[0061] The embodiments of the present application also provide a new energy vehicle, which comprises the new energy vehicle-mounted device.
[0062] The new energy vehicle-mounted device can be used on the new energy vehicle to carry a three-phase output connector for the motor controller on the vehicle-mounted device of the new energy vehicle, and has the corresponding beneficial effects of the new energy vehicle-mounted device.
[0063] The above only describes the embodiments of the present application and is not used to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the scope of claims of the present application.
Claims
1. A three-phase output connector for a motor controller, wherein, The three-phase output connector includes: an integrated component, which is disposed on the housing of the motor controller for signal filtering and transmission, and the integrated component includes at least: The connector is a low-voltage connector. Copper busbar, used to connect the motor controller and the motor; A magnetic ring is placed around the copper busbar to suppress interference; The connector, the copper busbar, and the magnetic ring are integrated into a plastic housing.
2. The three-phase output connector as described in claim 1, wherein, The copper busbar also includes: a controller-end copper busbar and a motor-end copper busbar. The copper busbar at the controller end is connected to the IGBT output terminal in the motor controller. The copper busbar at the motor end is connected to the three-phase lines of the motor and is located inside the motor.
3. The three-phase output connector as described in claim 2, wherein, The copper busbar is a three-phase output copper busbar, the connector is a low-voltage connector, and the low-voltage connector, the three-phase output copper busbar, and the magnetic ring are integrated into a plastic housing through injection molding.
4. The three-phase output connector as described in claim 3, wherein, The integrated component is fixed inside the motor controller housing by a sealing strip added to the sealing groove reserved in the plastic housing, and is sealed to the controller in the axial direction.
5. The three-phase output connector as described in claim 4, wherein, The integrated component is fixed to the housing of the motor controller through two holes on the plastic housing.
6. The three-phase output connector as described in claim 1, wherein, The plastic shell is made of high-temperature resistant nylon.
7. The three-phase output connector as described in claim 1, wherein, The pins in the connector are made of silver-plated copper.
8. A motor controller, wherein, include: The three-phase output connector as described in any one of claims 1 to 7.
9. A new energy vehicle-mounted device, wherein, Includes the motor controller as described in claim 8.
10. A new energy vehicle, wherein, Including the new energy vehicle-mounted equipment as described in claim 9.