CN219106352U

CN219106352U - Electric control assembly of hub motor

Info

Publication number: CN219106352U
Application number: CN202222705044.7U
Authority: CN
Inventors: 钭俊龙
Original assignee: Zhejiang Qunying Vehicles Co Ltd
Current assignee: Zhejiang Qunying Vehicles Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-30
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses an electric control assembly of a hub motor, belongs to the technical field of motors, and aims to reduce the influence of battery heating on a control board. The electric control assembly comprises an outer box, an inner box arranged in the outer box, a control board arranged in the outer box and a battery arranged in the inner box, wherein the outer box is provided with a shaft column, and the shaft column is provided with a shaft hole axially penetrating through the shaft column. The battery is arranged in the inner box and is separated from the control board, so that adverse effects of battery heating on the control board can be reduced, the heat dissipation pressure of the control board is reduced, and the control board is beneficial to keeping good working performance for a longer time.

Description

Electric control assembly of hub motor

Technical Field

The utility model belongs to the technical field of motors, and relates to an electric control assembly of a hub motor.

Background

The existing intelligent hub motor is provided with an electric control assembly in a hub, the electric control assembly comprises a battery box, a control board and a battery, the control board and the battery are all arranged in the battery box, the battery supplies power for the motor, and the control board controls the motor to execute different operation modes. But the battery and the control panel in the existing hub motor are positioned in the same cavity, and the working performance of the control panel is easily affected by the heating of the battery.

Disclosure of Invention

The utility model provides an electric control assembly of a hub motor aiming at the problems in the prior art, and aims to reduce the influence of battery heating on a control board.

The utility model is realized in the following way:

the utility model provides an automatically controlled subassembly of in-wheel motor, includes outer box, installs interior box in the outer box, install the control panel in the outer box and install the battery in interior box, have the spliced pole on the outer box, the spliced pole has the axial run through the shaft hole of spliced pole.

The battery is arranged in the inner box and is separated from the control board, so that adverse effects of battery heating on the control board can be reduced, the heat dissipation pressure of the control board is reduced, and the control board is beneficial to keeping good working performance for a longer time.

Preferably, the inner box is provided with an inserting port, and the shaft post is inserted into the inserting port. Therefore, the stability of connection between the inner box and the outer box can be improved, the opening wall of the insertion port supports the shaft column, the strength of the shaft column is enhanced, and stable matching of the shaft column and a motor shaft is facilitated.

Preferably, the inner wall of the outer box is provided with a mounting seat, the mounting seat is provided with a chute extending along the axial direction of the shaft hole, the chute is provided with an insertion port, and the end edge of the control board is embedded in the chute; the control panel is inserted into the chute from the inserting port, and the installation is convenient.

Or the outer side of the inner box is provided with a fixed seat, and the control panel is fixed on the fixed seat through a screw.

Preferably, the outer wall of the inner box is provided with a fixing part, and the fixing part is abutted against the outer end edge of the control plate. After fixing the inner box, the control board can be fixed without additional screws, so that the cost is reduced, and the assembly efficiency is improved.

Preferably, one end of the outer box is provided with an end wall, and the inner side of the end wall is provided with a stop rib which is abutted against the inner end edge of the control plate. Therefore, the control board can be prevented from being embedded into the outer box too deeply, the convenience of disassembly and assembly of the control board is improved, the control board and the stator are convenient to form a larger interval, and the influence of stator heating on the control board is reduced.

Preferably, the end wall is provided with a fixing column, and the inner box is fixed on the fixing column through a screw. Thus, the inner box is locked in the outer box, and the inner box is prevented from shifting in the outer box.

Preferably, the inner box is provided with a plane outer wall, a limit rib is arranged on the inner side of the outer box, and the limit rib is abutted to the plane outer wall. The mounting position of the inner box can be limited by the limiting ribs, the screw holes on the inner box are guaranteed to be aligned with the fixing columns, the assembly efficiency is improved, and the assembly stability of the inner box is also improved.

Preferably, the fixed column is directly connected with the stop rib, the fixed column and the stop rib are mutually reinforced, the cover plate is detachably arranged on the inner box, the stability of battery installation can be improved by the cover plate, and the influence of battery heating on the control board is reduced. The inner wall of the outer box is provided with the mounting seat, the limiting ribs are directly connected to the mounting seat, and therefore the limiting ribs support the mounting seat and improve the stability of the mounting seat. In other alternatives, the limit rib can be separated from the mounting seat and directly connected to the inner wall of the outer box.

Preferably, two ends of the shaft post are provided with flat key connectors. The flat key connection port can also be provided with a flat key to be matched and connected with the motor shaft, so that the electric control assembly is prevented from rotating or sliding relative to the motor shaft.

Preferably, the outer box is cylindrical, and the outer wall of the inner box is semicircular and is attached to the inner wall of the outer box. Thus further improving the stability of the connection between the inner box and the outer box. In other alternative schemes, a clearance can be reserved between the semicircular outer wall of the inner box and the inner wall of the outer box, so that the inner box can be conveniently and smoothly installed, and the assembly efficiency is improved.

According to the hub motor electric control assembly, the battery is arranged in the inner box and is separated from the control board, so that adverse effects of battery heating on the control board can be reduced, heat dissipation pressure of the control board is reduced, and the control board is beneficial to keeping good working performance for a longer time.

Drawings

FIG. 1 is a schematic diagram of an electrical control assembly;

FIG. 2 is a schematic diagram of an exploded view of an electrical control assembly;

FIG. 3 is a schematic view of the structure of the outer case;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the structure of the inner case;

fig. 6 is an exploded structural schematic view of the in-wheel motor.

The drawings are marked with the following description: 100. a hub; 110. a tire; 120. a stator; 130. an end cap; 140. a motor shaft; 200. an outer case; 210. a shaft post; 211. a shaft hole; 212. a flat key connection port; 220. a mounting base; 221. a chute; 222. a limit rib; 230. an end wall; 231. stop bars; 232. fixing the column; 300. an inner case; 310. a control board; 320. a battery; 330. an interface; 340. a fixing part; 350. a planar outer wall; 360. and a cover plate.

Detailed Description

The following detailed description of the embodiments of the present utility model is provided with reference to the accompanying drawings, so that the technical scheme of the present utility model can be understood and mastered more easily. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The embodiment provides an electric control assembly of a hub motor, which is particularly applied to an intelligent hub motor. As shown in fig. 6, the hub motor comprises a hub 100, a tire 110 wrapped outside the hub 100, an electric control assembly installed in the hub 100, a stator 120 installed in the hub 100, and end covers 130 arranged at two ends of the hub 100, a motor shaft 140 penetrating through the stator 120 and the electric control assembly, bearings arranged between the end covers 130 and the motor shaft 140, and magnetic steel arranged on the hub 100 and matched with the stator 120, wherein the electric control assembly supplies power to the stator 120 and controls the motor to operate.

As shown in fig. 1 to 5, the electronic control assembly includes an outer case 200, an inner case 300 installed in the outer case 200, a control board 310 installed in the outer case 200, and a battery 320 installed in the inner case 300, the outer case 200 having a shaft post 210 thereon, the shaft post 210 having a shaft hole 211 axially penetrating the shaft post 210, and a motor shaft 140 penetrating the shaft hole 211. The battery 320 is installed in the inner case 300 to be spaced apart from the control board 310, so that adverse effects of heat generation of the battery 320 on the control board 310 can be reduced, heat dissipation pressure of the control board 310 can be reduced, and good operation performance of the control board 310 can be maintained for a longer time. The inner case 300 is provided with a threading opening through which a wire between the battery 320 and the control board 310 passes, and the battery 320 supplies power to the control board 310.

As shown in fig. 1, 2 and 5, the inner case 300 has a socket 330 thereon, and the shaft post 210 is inserted into the socket 330. In this way, the stability of the connection between the inner case 300 and the outer case 200 can be improved, the wall of the insertion port 330 forms a support for the shaft post 210, the strength of the shaft post 210 is enhanced, and the stable fit between the shaft post 210 and the motor shaft 140 is facilitated.

As shown in fig. 1 to 4, the inner wall of the outer case 200 is provided with a mounting seat 220, the mounting seat 220 is provided with a sliding groove 221 extending along the axial direction of the shaft hole 211, the sliding groove 221 is provided with an insertion port, and the end edge of the control board 310 is embedded in the sliding groove 221; the control board 310 is inserted into the sliding groove 221 from the insertion opening, and the installation is convenient. In other alternative embodiments, the control board 310 may also be fixed to the inner case 300, specifically, the outer side of the inner case 300 has a fixing base, and the control board 310 is fixed to the fixing base by a screw.

As shown in fig. 1-2, the outer wall of the inner case 300 has a fixing portion 340, and the fixing portion 340 abuts against the outer edge of the control board 310. Thus, after the inner case 300 is fixed, the control board 310 can be fixed, the control board 310 is not required to be fixed by adopting additional screws, the cost is reduced, and the assembly efficiency is improved.

As shown in fig. 1-4, one end of the outer case 200 has an end wall 230, and an inner side of the end wall 230 has a stop rib 231, and the stop rib 231 abuts against an inner end edge of the control plate 310. In this way, the control board 310 can be prevented from being embedded into the outer box 200 too deeply, the convenience of assembling and disassembling the control board 310 is improved, a larger interval is formed between the control board 310 and the stator 120, and the influence of heat generated by the stator 120 on the control board 310 is reduced.

As shown in fig. 1 to 4, the end wall 230 has a fixing post 232 thereon, and the inner case 300 is fixed to the fixing post 232 by a screw. The inner case 300 is thus locked within the outer case 200, preventing the inner case 300 from being displaced in the outer case 200.

As shown in fig. 1-5, the inner box 300 has a planar outer wall 350, and a limiting rib 222 is disposed on the inner side of the outer box, and the limiting rib 222 abuts against the planar outer wall 350. The spacing rib 222 can limit the mounting position of the inner box 300, ensure that the screw hole on the inner box 300 is aligned with the fixing column 232, improve the assembly efficiency and also improve the assembly stability of the inner box 300.

Further, the fixing columns 232 are directly connected with the stop ribs 231, the fixing columns 232 and the stop ribs 231 are mutually reinforced, the cover plate 360 is detachably arranged on the inner box 300, the stability of the installation of the battery 320 can be improved through the cover plate 360, and the influence of the heating of the battery 320 on the control panel 310 is reduced. The inner wall of the outer box 200 is provided with an installation seat 220, and the limit rib 222 is directly connected to the installation seat 220, so that the limit rib 222 supports the installation seat 220, and the stability of the installation seat 220 is improved. In other alternatives, the stop rib 222 may be directly connected to the inner wall of the outer case 200, separate from the mounting base 220.

As shown in fig. 3, the shaft post 210 has flat key connection ports 212 at both ends. The flat key connection port 212 can also be provided with a flat key to be matched and connected with the motor shaft 140, so as to prevent the electric control assembly from rotating or sliding relative to the motor shaft 140.

As shown in fig. 1, 2, 3 and 5, the outer case 200 has a cylindrical shape, and the outer wall of the inner case 300 has a semicircular shape and is attached to the inner wall of the outer case 200. This further improves the stability of the connection of the inner case 300 with the outer case 200. In other alternative solutions, a gap may be reserved between the semicircular outer wall of the inner box 300 and the inner wall of the outer box 200, so that the inner box 300 can be smoothly installed, and the assembly efficiency is improved.

Claims

1. The electric control assembly of the hub motor is characterized by comprising an outer box (200), an inner box (300) arranged in the outer box (200), a control board (310) arranged in the outer box (200) and a battery (320) arranged in the inner box (300), wherein the outer box (200) is provided with a shaft column (210), and the shaft column (210) is provided with a shaft hole (211) axially penetrating through the shaft column (210).

2. An electric control assembly of an in-wheel motor according to claim 1, characterized in that the inner box (300) is provided with an inserting port (330), and the axle post (210) is inserted into the inserting port (330).

3. The hub motor electric control assembly according to claim 1, characterized in that a mounting seat (220) is arranged on the inner wall of the outer box (200), a sliding groove (221) extending along the axial direction of the shaft hole (211) is arranged on the mounting seat (220), the sliding groove (221) is provided with an insertion port, and the end edge of the control plate (310) is embedded in the sliding groove (221);

or, a fixing seat is arranged on the outer side of the inner box (300), and the control panel (310) is fixed on the fixing seat through a screw.

4. The electric control assembly of an in-wheel motor according to claim 1, wherein the outer wall of the inner case (300) has a fixing portion (340), and the fixing portion (340) abuts on an outer end edge of the control board (310).

5. An electric control assembly of an in-wheel motor according to claim 1, characterized in that one end of the outer casing (200) has an end wall (230), the inner side of the end wall (230) has a stop rib (231), and the stop rib (231) abuts against the inner end edge of the control plate (310).

6. An electric control assembly for an in-wheel motor according to claim 5, characterized in that said end wall (230) has a fixing post (232) thereon, said inner case (300) being fixed to said fixing post (232) by a screw.

7. An electric control assembly for an in-wheel motor according to any one of claims 1-6, characterized in that the inner casing (300) has a planar outer wall (350), and the inner side of the outer casing is provided with a limit rib (222), and the limit rib (222) abuts against the planar outer wall (350).

8. The electric control assembly of an in-wheel motor according to any one of claims 1 to 6, wherein the outer case is provided with a fixing column, a stop rib and a mounting seat, the fixing column (232) is directly connected with the stop rib (231), the inner case (300) is detachably provided with a cover plate (360), and the stop rib (222) is directly connected with the mounting seat (220).

9. An electric control assembly for an in-wheel motor according to any one of claims 1-6, wherein the axle post (210) has flat key connection ports (212) at both ends.

10. An electric control assembly for an in-wheel motor according to any one of claims 1 to 6, wherein the outer casing (200) is cylindrical, and the outer wall of the inner casing (300) is semicircular and is fitted to the inner wall of the outer casing (200).