Integrated structure of fuse and motor controller

The integrated fuse structure, with its one-piece mounting box and copper busbar connection, solves the problems of messy wiring and space occupation caused by independent fuse installation, achieving compact circuit protection and convenient maintenance, and improving circuit safety and equipment integration.

CN224519860UActive Publication Date: 2026-07-17SUZHOU YILI ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU YILI ENERGY TECH CO LTD
Filing Date
2025-07-08
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing independent installation method of fuses results in messy wiring harnesses, low reliability, and large space occupation, making it difficult to meet the requirements of compact design and high-performance circuit protection, and making installation and maintenance cumbersome.

Method used

The installation box adopts an integrated molding design, which integrates multiple fuse mounting slots and connects the fuses through the integrated connection of copper busbars. Combined with the insulating copper busbar fixing plate and partition, it achieves a stable connection and independent management.

Benefits of technology

It significantly reduces space occupation, improves circuit safety and reliability, simplifies installation and maintenance, reduces the risk of fault propagation, and enhances the overall integration and space utilization of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated structure of fuse, integrated structure of fuse, integrated structure is used to install fuse, integrated structure includes integratedly formed mounting box, the mounting box includes box body, the box body is along first direction and is arranged with several groups of installation slot for placing fuse, is separated through the partition between installation slot, the both sides of fuse are equipped with the connecting piece, the installation slot is all set up with first connecting groove at the both ends of fuse, and the first connecting groove is connected with the connector or PCB board respectively through the connecting piece and copper row of both ends of fuse, and the copper row can be fixed on the copper row fixed plate of insulation. The utility model discloses through integrated mounting box compact integration multiple fuses, save space, and the partition separates, and the copper row fixed plate design improves the connection reliability and safety, and the bottom connecting groove, the side fixed part and the maintenance opening design are convenient for installation and maintenance, and the overall performance of equipment is promoted.
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Claims

1. An integrated structure of a fuse, the integrated structure (100) for mounting a fuse (12), characterized in that, The integrated structure (100) includes an integrally formed mounting box (11), the mounting box (11) includes a box body (111), and the box body (111) is provided with a plurality of mounting slots (113) for placing fuses (12) arranged along a first direction. The mounting slots (113) are separated by partitions (112). The fuses (12) are provided with connecting pieces (121) on both sides. The mounting slots (113) are provided with first connecting slots (114) at both ends of the fuses (12). The fuses (12) are connected to the connectors or PCB boards (13) through the connecting pieces (121) at both ends and the copper busbars in the first connecting slots (114). The copper busbars can be fixed on an insulating copper busbar fixing plate (15).

2. An integrated structure of a fuse according to claim 1, wherein The copper busbar is a single-terminal copper busbar. The single-terminal copper busbar is installed in the mounting groove (113) and is located between the connecting piece (121) and the mounting groove (113). One end of the single-terminal copper busbar is connected to a set of fuses (12), and the other end is connected to a connector or PCB board (13).

3. The integrated structure of a fuse according to claim 1, wherein The copper busbar is a multi-terminal copper busbar with several sets of connection terminals. One end of the multi-terminal copper busbar is connected to several sets of fuses (12), and the other end is connected to a connector or PCB board (13).

4. The integrated structure of a fuse according to claim 2, wherein The single-terminal copper busbar includes a first copper busbar (14), a second copper busbar (17), a third copper busbar (18), and a sixth copper busbar (21). One end of the first copper busbar (14), the second copper busbar (17), the third copper busbar (18), and the sixth copper busbar (21) are connected to a set of fuses (12), and the other end is connected to a connector or PCB board (13).

5. An integrated structure of a fuse according to claim 3, wherein The multi-terminal copper busbar includes a fourth copper busbar (19) and a fifth copper busbar (20). The fourth copper busbar (19) and the fifth copper busbar (20) have three connection terminals, one end of which is connected to three sets of fuses (12), and the other end is connected to a connector or PCB board (13).

6. The integrated structure of a fuse according to claim 1, wherein The bottom of the mounting box (11) is also provided with a second connecting groove (120), and one end of the copper busbar is set in the second connecting groove (120) and connected to the fuse (12) through the connecting piece (121).

7. The integrated structure of a fuse according to claim 1, wherein The mounting box (11) is provided with multiple sets of fasteners (115) on its side.

8. A motor controller, characterized in that, The motor controller includes an integrated structure of the fuse as described in any one of claims 1 to 7. The integrated structure (100) is installed inside the motor controller (200). The motor controller (200) includes a housing (201) and a top cover (202) disposed on the housing (201). The mounting box (11) can be installed and fixed inside the housing (201) by means of a fastener (115).

9. A motor controller according to claim 8, characterized in that, The upper cover (202) has an access port above the integrated structure (100), and a removable access cover plate (203) is installed on the access port for inspection and replacement of the fuse (12).