Flat wire motor high-voltage conductive component, stator and motor

By designing high-voltage conductive parts of flat wire motors with fixtures, busbars and terminals, the existing busbars have been solved, and the problems of insufficient mechanical strength, thermal stability and corrosion resistance are achieved, higher mechanical strength and thermal stability are achieved, and the structure is simplified.

CN222884426UActive Publication Date: 2025-05-16BORGWARNER POWERDRIVE SYST (TIANJIN) CO CHINA
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Patent Information

Application Number
CN202420369181.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-28
Publication Date
2025-05-16
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

The installation and fixing methods of existing new energy vehicle busbars are complex, and the mechanical strength, thermal stability and corrosion resistance are poor.

Method used

A high-voltage conductive component of a flat wire motor is designed, including a fixing member, a plurality of busbars and each phase terminal. Fixing holes and terminal mounting holes are provided on the fixing member to fix the lead wires and terminals of each phase to enhance mechanical strength and structural stability.

Benefits of technology

By simplifying the structure, the mechanical strength, thermal stability and corrosion resistance of the high-voltage conductive parts of the flat wire motor are improved, ensuring that the performance of the motor in vibration test is met, and providing good conductivity and thermal conductivity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a flat wire motor high voltage conductive component, stator and motor, including fixed part, a plurality of busbars arranged on the fixed part and each phase terminal arranged on the fixed part, the fixed part is provided with fixed hole, so that each phase outgoing line passes through the fixed part, and the fixed hole is provided with a plurality of terminals arranged on the fixed part. And therefore, the fixing piece can fix the joints of the outgoing lines of all phases with the corresponding busbars and the terminals of all phases respectively. The beneficial effects of the utility model are that the stator satisfies the motor vibration test, and the arrangement of the fixing member enables the flat wire motor high-voltage conductive component to be simple and compact in structure, convenient to use, and simple and fast in assembly. And the high-voltage conductive component has good electrical conductivity and thermal conductivity, sufficient structural mechanical strength, good thermal stability and corrosion resistance and sufficient electrical safety distance.
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Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and in particular relates to a high-voltage conductive component of a flat wire motor, a stator and a motor. Background Art

[0002] The busbar of new energy vehicles refers to a high-voltage conductive component that connects core components such as battery packs, motors, and electronic controls. Its function is to collect and distribute electricity to meet the power needs of new energy vehicles. The busbar is made of copper or aluminum and has good electrical and thermal conductivity. In new energy vehicles, the busbar needs to withstand a high-voltage, high-current working environment, so it must have sufficient mechanical strength, good thermal stability, and corrosion resistance. In general, the busbar of new energy vehicles is an important part of the power system and is crucial to ensuring the performance and safety of the entire vehicle. The existing busbar installation and fixing methods are complex, and the mechanical strength, thermal stability, and corrosion resistance are poor. Summary of the invention

[0003] In view of the above problems, the utility model provides a flat wire motor high voltage conductive component, a stator and a motor to solve the above or other former problems existing in the prior art.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a flat wire motor high-voltage conductive component, including a fixing part, a plurality of busbars arranged on the fixing part and each phase terminal arranged on the fixing part, the fixing part is provided with a fixing hole so that each phase lead wire can be passed through the fixing part, so that the connection points between each phase lead wire and the corresponding busbar and each phase terminal are respectively arranged on the fixing part.

[0005] Furthermore, the fixing member includes a fixing member body and a plurality of mounting portions connected to the fixing member body, and the plurality of mounting portions are all arranged on the same side of the fixing member body.

[0006] Furthermore, the mounting portion is provided with a terminal mounting hole so that each phase terminal can be arranged on the fixing member through the terminal mounting hole.

[0007] Furthermore, the terminal mounting hole is arranged adjacent to the fixing hole so that each phase terminal is connected to the corresponding phase lead wire.

[0008] Furthermore, the terminal mounting hole includes a connected through hole and a mounting channel, the through hole is arranged at one end of the mounting channel, the mounting channel is arranged along the radial direction of the stator core, and the through hole is arranged along the axial direction of the stator core. Each phase terminal passes through the mounting channel and the through hole in turn and extends out from one side of the mounting portion.

[0009] Furthermore, the fixing body is provided with a main channel, which corresponds to and is connected with the installation channel, so that each phase terminal passes through the main channel, the installation channel and the through hole in sequence, enters from the end of the fixing and extends from one side of the installation portion.

[0010] Furthermore, the mounting portion includes multiple groups of fixing holes and terminal mounting holes, which are arranged along the circumference of the stator core, and the fixing holes and terminal mounting holes in each group are arranged along the radial direction of the stator core.

[0011] Furthermore, the busbar and the mounting portion are both arranged on the same side of the fixing body, and each phase terminal and the mounting portion are arranged on both side sides of the fixing body.

[0012] A stator comprises the flat wire motor high voltage conductive component as described above.

[0013] A motor comprises the stator as described above.

[0014] Due to the adoption of the above technical solution, the high-voltage conductive component of the flat wire motor has a fixing part, on which a busbar is installed, the number of the busbars is multiple, and the multiple busbars are arranged on a side of the fixing part facing the stator winding, the multiple busbars are respectively connected to the corresponding phase lead wires, the busbar is fixedly connected to the fixing part, and the busbar is embedded and installed on the fixing part, thereby enhancing the overall mechanical strength of the high-voltage conductive component and making the structure of the high-voltage conductive component simple; the fixing part is provided with multiple fixing holes, so that the lead wires of each phase can be passed through the fixing holes to be installed on the fixing part, and the fixing part is provided with terminal mounting holes, so that the lead wires of each phase can be installed on the fixing part through the terminal mounting holes, and the lead wires of each phase and Each phase terminal is fixed, and at the same time, each phase lead wire and each phase terminal are deeply embedded in the fixing part, so that the fixing part can fix the connection between each phase lead wire and the corresponding phase terminal and the bus bar respectively, so that the stator meets the motor vibration test. The setting of the fixing part makes the high-voltage conductive component of the flat wire motor simple and compact in structure, easy to use, and can be simple and quick to assemble, and the high-voltage conductive component has good electrical conductivity and thermal conductivity, sufficient structural mechanical strength, good thermal stability and corrosion resistance. The setting of the fixing hole and the terminal mounting hole limits the position of the phase lead wire and the phase terminal arranged on the fixing part, so that the high-voltage conductive component has a sufficient electrical safety distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of an angle structure when the high-voltage conductive component of a flat wire motor of an embodiment of the utility model is installed at the outlet end of the stator winding;

[0016] Figure 2It is a structural schematic diagram of another angle when the high-voltage conductive component of the flat wire motor of one embodiment of the utility model is installed at the outlet end of the stator winding;

[0017] Figure 3 It is a schematic diagram of the top view of the structure when the high-voltage conductive component of the flat wire motor of one embodiment of the utility model is installed at the outlet end of the stator winding;

[0018] Figure 4 yes Figure 3 AA cross-sectional structure schematic diagram.

[0019] In the figure:

[0020] 1. Fixing parts 2. Terminals 3. Busbar

[0021] 4. Lead wire 10, fixing body 11, installation part

[0022] 12. Fixing hole 13. Terminal mounting hole 130. Mounting channel

[0023] 131. Through hole DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Figure 1 A structural schematic diagram of an embodiment of the utility model is shown. This embodiment relates to a high-voltage conductive component, a stator and a motor of a flat wire motor. The high-voltage conductive component of the flat wire motor has a fixing part, and each phase terminal and a bus are arranged on the fixing part. At the same time, each phase lead wire can be installed on the fixing part, so that the fixing part fixes the connection between each terminal and each phase lead wire. At the same time, the fixing part fixes the connection between the bus and each phase lead wire, thereby enhancing the mechanical strength of the busbar and enhancing the stability of the busbar structure.

[0026] A flat wire motor high voltage conductive component is installed at the outlet end of the stator winding. By optimizing the structure of the busbar, the high voltage conductive component of the flat wire motor is simple in structure, and the connection between each phase terminal 2 and each phase lead wire 4 can be fixed, and the connection between the busbar 3 and each phase lead wire 4 can be fixed. Specifically, in terms of structure, Figure 1-4As shown, the high-voltage conductive component of the flat wire motor includes: a fixing member 1, a plurality of busbars 3 arranged on the fixing member 1, and each phase terminal 2 arranged on the fixing member 1. The setting of the fixing member 1 is convenient for the installation of the plurality of busbars 3 and each phase terminal 2. The fixing member 1 is provided with a fixing hole 12, so that each phase lead wire 4 is passed through the fixing member 1, so that each phase lead wire 4 can be respectively connected to the corresponding busbar 3 and each phase terminal 2, so that the fixing member 1 fixes the connection between each phase lead wire 4 and the corresponding busbar 3 and each phase terminal 2, thereby enhancing the mechanical strength of the high-voltage conductive component of the flat wire motor, and the installation of the busbar 3, each phase terminal 2 and each phase lead wire 4 is convenient and quick.

[0027] Specifically, in the high-voltage conductive component structure of the flat wire motor, the fixing part 1 plays the role of a skeleton, providing support for the installation of the busbar 3 and the installation of each phase terminal 2. At the same time, when each phase lead wire 4 is respectively connected to the corresponding busbar 3 and each phase terminal 2, each phase lead wire 4 can be set on the fixing part 1. The above-mentioned fixing part 1 includes a fixing part body 10 and a plurality of mounting parts 11 connected to the fixing part body 10. The plurality of mounting parts 11 are all arranged on the same side of the fixing part body 10. The setting of the fixing part body 10 facilitates the installation of the mounting part 11. At the same time, the mounting structure of each phase terminal 2, busbar 3 and each phase lead wire 4 can be set based on it. The fixing part body 10 is a strip structure, which is arranged along the circumferential direction of the stator core and has a certain length. The length of the fixing part body 10 is selected according to actual needs. Its length can meet the installation of each phase lead wire 4. No specific requirements are made here; the plurality of mounting parts 11 are all arranged They are arranged on the same side of the fixing body 10 and are arranged in sequence along the length direction of the fixing body 10. They can be arranged at equal intervals or at non-equal intervals. The arrangement of the multiple mounting portions 11 is selected and arranged according to actual needs; the mounting portion 11 is fixedly connected to the fixing body 10. The fixed connection method can be connected by connecting parts such as bolts, or bonding, or integral molding, or other fixed connection methods, which are selected according to actual needs. Preferably, in order to make the overall structure of the fixing 1 simple, the mechanical strength high, and not easy to deform and damage, the mounting portion 11 is integrally molded with the fixing body 10, and the structure is stable.

[0028] There are multiple mounting parts 11. The arrangement of the mounting parts 11 facilitates the positioning of each phase terminal 2 and each phase lead wire 4 during installation, and also facilitates the connection between each phase terminal 2 and each phase lead wire 4. The number of mounting parts 11 can be selected according to actual needs. Preferably, in this embodiment, the number of mounting parts 11 is consistent with the number of each phase terminal 2, and each phase terminal 2 is installed on one mounting part 11.

[0029] The mounting portion 11 is a block structure, formed by extending outward from one side of the fixing body 10. The thickness of the mounting block is consistent with the thickness of the fixing body 10, so that the overall structure of the fixing 1 is simple. The length and width of the mounting portion 11 are selected according to actual needs to meet the installation requirements of each phase lead wire 4 and each phase terminal 2.

[0030] In order to facilitate the installation of the lead wires 4 , in this embodiment, preferably, the plurality of installation portions 11 are all arranged on one side of the fixing body 10 facing the stator winding.

[0031] The above-mentioned fixing hole 12 is arranged on the mounting portion 11, and the fixing hole 12 is used to position and fix the lead wires 4 of each phase, that is, on one mounting portion 11, a terminal mounting hole 13 and a fixing hole 12 are arranged, and on each mounting portion 11, a terminal 2 of one phase is passed through the mounting portion 11 through the terminal mounting hole 13, and a lead wire 4 of one phase is passed through the mounting portion 11 through the fixing hole 12, and the terminal mounting hole 13 is arranged adjacent to the fixing hole 12, so that the lead wire 4 of one phase is connected to the corresponding terminal 2 of the phase, so that the fixing member 1 fixes the connection between the terminals 2 of each phase inserted in the terminal mounting hole 13 and the lead wires 4 of each phase inserted in the fixing hole 12.

[0032] The above-mentioned fixing hole 12 is a through-hole structure, which is arranged along the axial direction of the stator core so that one end of the lead wire 4 can move from one end of the fixing hole 12 facing the stator winding to the other end, pass through the fixing hole 12, and be inserted into the mounting portion 11, so that the lead wire 4 is installed on the fixing member 1, and the fixing member 1 fixes the lead wire 4.

[0033] The mounting portion 11 is provided with a terminal mounting hole 13 so that each phase terminal 2 is mounted on the fixing member 1 through the terminal mounting hole 13 . The shape of the terminal mounting hole 13 is adapted to the shape of each phase terminal 2 so that each phase terminal 2 is mounted on one mounting portion 11 .

[0034] The terminal mounting hole 13 includes a connected through hole 131 and a mounting channel 130. The through hole 131 is arranged at one end of the mounting channel 130. The mounting channel 130 is arranged along the radial direction of the stator core, and the through hole 131 is arranged along the axial direction of the stator core. Each phase terminal 2 passes through the mounting channel 130 and the through hole 131 in sequence, enters from the end of the mounting portion 11 and extends from one side of the mounting portion 11. Since each phase terminal 2 and each phase lead wire 4 are respectively located on both sides of the fixing member 1, the mounting channel 130 is a channel structure formed by a side of the mounting portion 11 close to each phase terminal 2 facing the other side, and each phase terminal 2 can be inserted into the mounting channel 130 and move along the mounting channel 130. In order to make each phase The terminal 2 can pass through the mounting channel 130 and extend out so as to be connected with each phase lead wire 4. A through hole 131 connected with the mounting channel 130 is provided. The through hole 131 is not a through hole structure that penetrates the mounting portion 11. The through hole 131 is arranged along the axial direction of the stator core. One end of the through hole 131 is connected with the mounting channel 130, and the other end is connected with the outside. That is, the through hole 131 is recessed and extends inwardly from a side surface of the mounting portion 11 away from the end of the stator core until the through hole 131 is connected with the mounting channel 130, forming the structure of the terminal mounting hole 13. Each phase terminal 2 enters from the end of the mounting channel 130 that is connected with the outside, moves along the mounting channel 130, enters the through hole 131, and extends out from the through hole 131.

[0035] In some feasible embodiments of the present invention, the cross-sectional shape and size of the mounting channel 130 are adapted to the shape and size of each phase terminal 2, and the cross-sectional shape and size of the through hole 131 are adapted to the shape and size of each phase terminal 2, so that each phase terminal 2 can fully contact the inner side surface of the mounting channel 130 and the inner side surface of the through hole 131, thereby enabling the fixing member 1 to position and fix each phase terminal 2.

[0036] In some feasible embodiments, since each phase terminal 2 and the mounting portion 11 are located on both sides of the fixing body 10, the fixing body 10 is provided with a main channel, and the main channel corresponds to and is connected with the mounting channel 130, so that each phase terminal 2 passes through the main channel, the mounting channel 130 and the through hole 131 in sequence, enters from the end of the fixing 1 and extends from one side of the mounting portion 11. The main channel is arranged along the radial direction of the stator core, passes through the fixing body 10, the position of the main channel corresponds to the position of the mounting channel 130, and the main channel and the mounting channel 130 are coaxially arranged. The shape and size of the main channel are adapted to the shape and size of each phase terminal 2, so that each phase terminal 2 can pass through the main channel and enter the mounting channel 130. Each phase terminal 2 moves from one side of the fixing body 10 away from the lead-out wire 4 to the other side, passes through the main channel and the mounting channel 130 in sequence, enters the through hole 131 and extends from the through hole 131.

[0037] There are multiple terminals 2 for each phase, and multiple lead wires 4 for each phase, and the two numbers are adapted to each other. One terminal 2 is connected to one lead wire 4. Therefore, the mounting portion 11 includes multiple groups of fixing holes 12 and terminal mounting holes 13, each group includes one fixing hole 12 and one terminal mounting hole 13, and the multiple groups of fixing holes 12 and terminal mounting holes 13 are arranged along the circumferential direction of the stator core. The fixing holes 12 and the terminal mounting holes 13 in each group are arranged along the radial direction of the stator core, and the fixing holes 12 and the terminal mounting holes 13 in each group are arranged adjacent to each other, so that the lead wire 4 arranged on the fixing hole 12 is connected to the terminal 2 arranged on the terminal mounting hole 13. The setting of the fixing hole 12 and the terminal mounting hole 13 enables each phase lead wire 4 and each phase terminal 2 to be deeply embedded in the fixing member 1, and each phase lead wire 4 is fully in contact with the fixing hole 12, and each phase terminal 2 is fully in contact with the terminal mounting hole 13, so that the fixing member 1 can fix each phase lead wire 4 and each phase terminal 2, and then fix the connection between each phase terminal 2 and the corresponding phase lead wire 4, so that the high-voltage conductive component has high mechanical strength, and the stator can meet the requirements of the motor vibration test, and the high-voltage conductive component of the flat wire motor has a simple structure and is easy to use.

[0038] The number of the above-mentioned busbars 3 is multiple, and the busbars 3 are connected to the lead-out wires 4 of each phase. The multiple busbars 3 and the mounting parts 11 are all arranged on the same side of the fixing body 10. In some feasible embodiments, the multiple busbars 3 and the mounting parts 11 are all arranged on the side of the fixing body 10 facing the stator winding. When the multiple busbars 3 and the multiple mounting parts 11 are arranged, the multiple busbars 3 and the multiple mounting parts 11 are arranged along the circumferential direction of the stator core. They can be arranged alternately, or the multiple busbars 3 and the multiple mounting parts 11 can be arranged in sequence without overlapping alternating parts; each phase terminal 2 and the mounting part 11 are arranged on both sides of the fixing body 10 of the fixing part 1, and the busbar 3 is fixedly connected to the fixing part 1. The fixed connection method can be connected by connecting parts such as bolts, or injection molding, or other fixed connection methods, which can be selected according to actual needs. The busbar 3 is deeply embedded in the fixing part 1, so that the structure of the high-voltage conductive component is stable and the mechanical strength is high.

[0039] In some feasible embodiments, the fixing part 1 is made of plastic, which has good corrosion resistance and will not affect the conductivity and thermal conductivity of the high-voltage conductive components. The fixing part 1 will not cover a large area of ​​each phase terminal 2 and the bus 3, and can ensure the thermal stability of the high-voltage conductive components.

[0040] A stator comprises the flat wire motor high voltage conductive component as described above.

[0041] A motor comprises the stator as described above.

[0042] When in use, the high-voltage conductive component of the flat wire motor is installed on the outlet end side of the stator winding. First, each phase terminal 2 is installed on the fixing member 1, and one end of each phase terminal 2 passes through the main channel on the fixing member body 10, the installation channel 130 and the through hole 131 on the installation portion 11 in sequence, and extends out of the through hole 131, so that each phase terminal 2 is inserted into the fixing member 1; then one end of each phase lead wire 4 passes through the fixing hole 12 in sequence and extends out of the fixing hole 12, so that each phase lead wire 4 is inserted into the fixing member 1, and then each phase lead wire 4 is connected to the corresponding phase terminal 2, and then each phase lead wire 4 is connected to the corresponding bus 3, so that each branch in each phase winding is connected through the high-voltage conductive component.

[0043] Due to the adoption of the above technical solution, the high-voltage conductive component of the flat wire motor has a fixing part, on which a busbar is installed, the number of the busbars is multiple, and the multiple busbars are arranged on a side of the fixing part facing the stator winding, the multiple busbars are respectively connected to the corresponding phase lead wires, the busbar is fixedly connected to the fixing part, and the busbar is embedded and installed on the fixing part, thereby enhancing the overall mechanical strength of the high-voltage conductive component and making the structure of the high-voltage conductive component simple; the fixing part is provided with multiple fixing holes, so that the lead wires of each phase can be passed through the fixing holes to be installed on the fixing part, and the fixing part is provided with terminal mounting holes, so that the lead wires of each phase can be installed on the fixing part through the terminal mounting holes, and the lead wires of each phase and Each phase terminal is fixed, and at the same time, each phase lead wire and each phase terminal are deeply embedded in the fixing part, so that the fixing part can fix the connection between each phase lead wire and the corresponding phase terminal and the bus bar respectively, so that the stator meets the motor vibration test. The setting of the fixing part makes the high-voltage conductive component of the flat wire motor simple and compact in structure, easy to use, and can be simple and quick to assemble, and the high-voltage conductive component has good electrical conductivity and thermal conductivity, sufficient structural mechanical strength, good thermal stability and corrosion resistance. The setting of the fixing hole and the terminal mounting hole limits the position of the phase lead wire and the phase terminal arranged on the fixing part, so that the high-voltage conductive component has a sufficient electrical safety distance.

[0044] The above is a detailed description of the embodiments of the utility model, but the contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A high voltage conductive component of a flat wire motor, characterized in that: It includes a fixing part, a plurality of busbars arranged on the fixing part, and each phase terminal arranged on the fixing part. The fixing part is provided with a fixing hole so that each phase lead wire can be passed through the fixing part, so that the connection points between each phase lead wire and the corresponding busbar and each phase terminal are all arranged on the fixing part.

2. The flat wire motor high voltage conductive component according to claim 1, characterized in that: The fixing member comprises a fixing member body and a plurality of mounting parts connected to the fixing member body, and the plurality of mounting parts are all arranged on the same side of the fixing member body.

3. The flat wire motor high voltage conductive component according to claim 2, characterized in that: The mounting portion is provided with a terminal mounting hole so that each phase terminal is arranged on the fixing member through the terminal mounting hole.

4. The flat wire motor high voltage conductive component according to claim 3, characterized in that: The terminal mounting hole is arranged adjacent to the fixing hole so that the terminals of each phase are connected to the corresponding lead wires of each phase.

5. The flat wire motor high voltage conductive component according to claim 3 or 4, characterized in that: The terminal mounting hole includes a connected through hole and a mounting channel, the through hole is arranged at one end of the mounting channel, the mounting channel is arranged along the radial direction of the stator core, and the through hole is arranged along the axial direction of the stator core, and each phase terminal passes through the mounting channel and the through hole in sequence and extends out from a side surface of the mounting portion.

6. The flat wire motor high voltage conductive component according to claim 5, characterized in that: The fixing body is provided with a main channel, which corresponds to and is connected with the installation channel, so that each phase terminal passes through the main channel, the installation channel and the through hole in sequence, enters from the end of the fixing and extends from a side of the installation portion.

7. The flat wire motor high voltage conductive component according to any one of claims 3 to 4 and 6, characterized in that: The mounting portion includes a plurality of groups of fixing holes and terminal mounting holes, the plurality of groups of fixing holes and terminal mounting holes are arranged along the circumferential direction of the stator core, and the fixing holes and terminal mounting holes in each group are arranged along the radial direction of the stator core.

8. The flat wire motor high voltage conductive component according to claim 7, characterized in that: The busbar and the mounting portion are both arranged on the same side of the fixing body, and the phase terminals and the mounting portion are arranged on both side sides of the fixing body.

9. A stator, characterized in that: It comprises the flat wire motor high voltage conductive component as described in any one of claims 1-8.

10. A motor, characterized in that: Comprising a stator as claimed in claim 9.