An electronic circuit breaker with a detachable protective shell

By designing an electronic circuit breaker with a removable protective casing, and utilizing structures such as positioning slots, locking slots, and connecting springs, the problem of difficult removal of the protective casing in existing technologies has been solved, enabling convenient installation and removal, enhancing the protection of connecting lines, and improving maintenance efficiency.

CN224304646UActive Publication Date: 2026-05-29YUXIAO SAFETY TECH (SHANGHAI) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUXIAO SAFETY TECH (SHANGHAI) CO LTD
Filing Date
2025-07-15
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The protective casing of existing electronic circuit breakers is difficult to remove, making maintenance inconvenient.

Method used

An electronic circuit breaker with a detachable protective shell was designed. The protective shell can be easily disassembled through the cooperation of structures such as positioning slots, locking slots, moving slots and connecting springs. The movement of the plug and moving block drives the connecting spring to squeeze and get out of the limited state. The docking positioning effect and the protection of the connecting wires are enhanced by the setting of the docking arc plate and the trapezoidal rubber arc plate.

Benefits of technology

It enables convenient installation and removal of the protective shell, enhances the protection of the connecting wires, and improves maintenance efficiency and the protective performance of the connecting wires.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224304646U_ABST
    Figure CN224304646U_ABST
Patent Text Reader

Abstract

The utility model provides a kind of electronic circuit breaker with detachable protective shell, it is related to electronic circuit breaker field, and it includes: circuit breaker mechanism, the circuit breaker mechanism includes fixed plate, electronic circuit breaker body, fixed block, positioning slot, stabilizing block, clamping slot and extension plate, one side of the circuit breaker mechanism is provided with protection mechanism, the protection mechanism includes protective housing, transparent observation board, recess, mounting block, locating block, moving slot, moving mouth, connecting spring, plug block and moving block, the upper and lower ends of the circuit breaker mechanism are provided with first connection line protection mechanism, the upper and lower ends of the protection mechanism are provided with second connection line protection mechanism.The utility model, by the cooperation between positioning slot and locating block, and then increase the positioning effect of protective housing butt joint, by the setting of butt joint arc plate and trapezoidal rubber arc plate, the butt joint of first butt joint half pipe and second butt joint half pipe is facilitated.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of electronic circuit breaker technology, and in particular to an electronic circuit breaker with a detachable protective shell. Background Technology

[0002] Electronic circuit breakers are circuit breakers that use electronic components for current detection, fault diagnosis, and disconnection. Unlike traditional thermal-magnetic circuit breakers, electronic circuit breakers employ microprocessors, current sensors, and electronic tripping mechanisms, resulting in higher precision, adjustability, and intelligent functions. They are widely used in low-voltage power distribution systems, industrial control, and smart grids.

[0003] In the existing technology, the protective casing of electronic circuit breakers is mostly difficult to remove, which makes it inconvenient to inspect and maintain the circuit breaker inside the casing. Utility Model Content

[0004] The purpose of this utility model is to provide an electronic circuit breaker with a detachable protective shell, so as to solve the problem mentioned in the background art that the protective shells of electronic circuit breakers are mostly difficult to remove, making it inconvenient to maintain the circuit breaker inside the protective shell.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: It includes a circuit breaker mechanism, comprising a fixed plate, an electronic circuit breaker body, a fixed block, a positioning groove, a stabilizing block, a slot, and an extension plate. A protective mechanism is provided on one side of the circuit breaker mechanism, comprising a protective shell, a transparent observation plate, a groove, a mounting block, a positioning block, a moving groove, a moving opening, a connecting spring, a plug block, and a moving block. First connecting line protection mechanisms are provided at both the upper and lower ends of the circuit breaker mechanism. The first connecting line protection mechanism comprises a first protective half-pipe, a first protective corrugated half-pipe, a first mating half-pipe, a first arc-shaped groove, and a first trapezoidal arc groove. Second connecting line protection mechanisms are provided at both the upper and lower ends of the protective mechanism. The second connecting line protection mechanism comprises a second protective half-pipe, a second protective corrugated half-pipe, a second mating half-pipe, a second arc-shaped groove, a second trapezoidal arc groove, a mating arc plate, a trapezoidal rubber arc plate, and a protrusion.

[0006] In a preferred embodiment, one side of the fixing plate is fixedly connected to one side of the electronic circuit breaker body, both sides of the fixing plate are fixedly connected to one side of the fixing block, one side of the fixing block has a positioning groove, one side of the fixing block is fixedly connected to one side of the stabilizing block, the bottom of the stabilizing block has a slot, and the upper and lower ends of the fixing plate near the electronic circuit breaker body are fixedly connected to one side of the extension plate.

[0007] In a preferred embodiment, one side of the fixing plate is movably connected to one side of the protective shell, and the inner wall of the other side of the protective shell is fixedly connected to the outer wall of the transparent observation plate. Grooves are provided at both the upper and lower ends of the protective shell, and the inner wall of the groove is movably connected to the outer wall of the extension plate.

[0008] In a preferred embodiment, both sides of the protective shell are fixedly connected to one side of the mounting block, one side of the mounting block is fixedly connected to one side of the positioning block, the outer wall of the positioning block is movably connected to the inner wall of the positioning groove, the mounting block has a movable groove inside, and a movable opening is provided on one side of the movable groove.

[0009] In a preferred embodiment, the inner wall of the movable groove is fixedly connected to the bottom end of the connecting spring, the top end of the connecting spring is fixedly connected to the bottom end of the insert block, the outer wall of the insert block is movably connected to the inner wall of the slot, one side of the insert block is fixedly connected to one side of the movable block, and the outer wall of the movable block is movably connected to the inner wall of the movable opening.

[0010] In a preferred embodiment, the side of the extension plate away from the electronic circuit breaker body is fixedly connected to one end of the first protective half tube, the other end of the first protective half tube is fixedly connected to one end of the first protective corrugated half tube, the other end of the first protective corrugated half tube is fixedly connected to one end of the first docking half tube, the outer wall of the first docking half tube is provided with a first arc-shaped groove, and the inner wall of the first arc-shaped groove is provided with a first trapezoidal arc groove.

[0011] In a preferred embodiment, the upper and lower sides of the protective shell are fixedly connected to one end of the second protective half tube. The second protective half tube is located on one side of the groove. The other end of the second protective half tube is fixedly connected to one end of the second protective corrugated half tube. The other end of the second protective corrugated half tube is fixedly connected to one end of the second mating half tube. The outer wall of the second mating half tube is provided with a second arc-shaped groove, and the inner wall of the second arc-shaped groove is provided with a second trapezoidal arc groove.

[0012] In a preferred embodiment, the outer wall of the second arc-shaped groove is movably connected to the inner wall of the mating arc-shaped plate, the inner wall of the mating arc-shaped plate is fixedly connected to one side of the trapezoidal rubber arc-shaped plate, the outer wall of the mating arc-shaped plate is fixedly connected to one side of the protrusion, the outer wall of the trapezoidal rubber arc-shaped plate is movably connected to the inner walls of the second trapezoidal arc-shaped groove and the first trapezoidal arc-shaped groove, and the inner wall of the mating arc-shaped plate is movably connected to the inner wall of the first arc-shaped groove.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the downward moving block drives the insert block to compress the connecting spring. At the same time, the insert block and the moving block move inside the moving groove and the moving opening. The insert block moves away from the inside of the slot, so that the protective shell is freed from the limited state. At the same time, the moving protrusion drives the mating arc plate and the trapezoidal rubber arc plate to move out from inside the first arc groove and the first trapezoidal arc groove, so that the first mating half tube and the second mating half tube are freed from the mating state, thereby disassembling the protective shell. This facilitates the installation and disassembly of the protective shell and the fixing plate. Through the cooperation between the positioning groove and the positioning block, the positioning effect of the mating of the protective shell is increased. The setting of the mating arc plate and the trapezoidal rubber arc plate facilitates the mating of the first mating half tube and the second mating half tube.

[0015] 2. In this utility model, the connecting wire is located inside the first protective half-pipe, the second protective half-pipe, the first protective corrugated half-pipe, the second protective corrugated half-pipe, the first mating half-pipe, and the second mating half-pipe. At the same time, the mating arc plate and the trapezoidal rubber arc plate are respectively located inside the second arc groove, the first arc groove, the second trapezoidal arc groove, and the first trapezoidal arc groove. After the connecting wire is bent, the first protective corrugated half-pipe and the second protective corrugated half-pipe bend accordingly. The setting of the first protective corrugated half-pipe and the second protective corrugated half-pipe protects the bending point of the connecting wire. The setting of the first protective half-pipe, the second protective half-pipe, the first mating half-pipe, and the second mating half-pipe increases the protection of the connecting part of the connecting wire. Attached Figure Description

[0016] Figure 1 A schematic diagram of the structure of an electronic circuit breaker with a detachable protective shell provided by this utility model;

[0017] Figure 2 A schematic diagram of the circuit breaker mechanism of an electronic circuit breaker with a detachable protective shell provided by this utility model;

[0018] Figure 3 A schematic diagram of the protective mechanism of an electronic circuit breaker with a detachable protective shell provided by this utility model;

[0019] Figure 4 A cross-sectional view of the mounting block of an electronic circuit breaker with a detachable protective shell provided by this utility model;

[0020] Figure 5 A cross-sectional view of the fixing block of an electronic circuit breaker with a detachable protective shell provided by this utility model;

[0021] Figure 6 A schematic diagram of the first connection line protection mechanism of an electronic circuit breaker with a detachable protective shell provided by this utility model;

[0022] Figure 7This utility model provides a schematic diagram of the second connection line protection mechanism of an electronic circuit breaker with a detachable protective shell.

[0023] Legend:

[0024] 1. Circuit breaker mechanism; 101. Fixing plate; 102. Electronic circuit breaker body; 103. Fixing block; 104. Positioning slot; 105. Stabilizing block; 106. Slot; 107. Extension plate; 2. Protective mechanism; 201. Protective housing; 202. Transparent observation plate; 203. Groove; 204. Mounting block; 205. Positioning block; 206. Moving slot; 207. Moving opening; 208. Connecting spring; 209. Insertion block; 210. Moving block; 3. First Connecting wire protection mechanism; 301, first protective half-pipe; 302, first protective corrugated half-pipe; 303, first mating half-pipe; 304, first arc-shaped groove; 305, first trapezoidal arc groove; 4, second connecting wire protection mechanism; 401, second protective half-pipe; 402, second protective corrugated half-pipe; 403, second mating half-pipe; 404, second arc-shaped groove; 405, second trapezoidal arc groove; 406, mating arc plate; 407, trapezoidal rubber arc plate; 408, protrusion. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-7This utility model provides a technical solution comprising: a circuit breaker mechanism 1, which includes a fixing plate 101, an electronic circuit breaker body 102, a fixing block 103, a positioning groove 104, a stabilizing block 105, a slot 106, and an extension plate 107. A protective mechanism 2 is provided on one side of the circuit breaker mechanism 1, which includes a protective shell 201, a transparent observation plate 202, a groove 203, a mounting block 204, a positioning block 205, a moving groove 206, a moving opening 207, a connecting spring 208, a plug block 209, and a moving block 210. The upper and lower sides of the circuit breaker mechanism 1... Each end is provided with a first connecting line protection mechanism 3, which includes a first protective half-pipe 301, a first protective corrugated half-pipe 302, a first docking half-pipe 303, a first arc-shaped groove 304, and a first trapezoidal arc groove 305. The upper and lower ends of the protection mechanism 2 are provided with second connecting line protection mechanisms 4, which include a second protective half-pipe 401, a second protective corrugated half-pipe 402, a second docking half-pipe 403, a second arc-shaped groove 404, a second trapezoidal arc groove 405, a docking arc plate 406, a trapezoidal rubber arc plate 407, and a protrusion 408.

[0027] In one embodiment, one side of the fixing plate 101 is fixedly connected to one side of the electronic circuit breaker body 102, both sides of the fixing plate 101 are fixedly connected to one side of the fixing block 103, one side of the fixing block 103 has a positioning groove 104 inside, one side of the fixing block 103 is fixedly connected to one side of the stabilizing block 105, the bottom of the stabilizing block 105 has a slot 106, and the upper and lower ends of the fixing plate 101 near the electronic circuit breaker body 102 are fixedly connected to one side of the extension plate 107.

[0028] Specifically: In use, the protective housing 201 is connected to the fixing plate 101, and the protective housing 201 protects the electronic circuit breaker body 102.

[0029] In one embodiment, one side of the fixing plate 101 is movably connected to one side of the protective shell 201, and the inner wall of the other side of the protective shell 201 is fixedly connected to the outer wall of the transparent observation plate 202. The upper and lower ends of the protective shell 201 are provided with grooves 203, and the inner wall of the grooves 203 is movably connected to the outer wall of the extension plate 107.

[0030] Specifically, the positioning effect of the protective shell 201 is enhanced by the cooperation between the positioning groove 104 and the positioning block 205.

[0031] In one embodiment, both sides of the protective shell 201 are fixedly connected to one side of the mounting block 204, one side of the mounting block 204 is fixedly connected to one side of the positioning block 205, the outer wall of the positioning block 205 is movably connected to the inner wall of the positioning groove 104, a movable groove 206 is provided inside the mounting block 204, and a movable opening 207 is provided on one side of the movable groove 206.

[0032] Specifically, the stability of the insertion block 209 and the moving block 210 during movement is ensured by the setting of the moving slot 206 and the moving port 207.

[0033] In one embodiment, the inner wall of the movable groove 206 is fixedly connected to the bottom end of the connecting spring 208, the top end of the connecting spring 208 is fixedly connected to the bottom end of the insert block 209, the outer wall of the insert block 209 is movably connected to the inner wall of the slot 106, one side of the insert block 209 is fixedly connected to one side of the movable block 210, and the outer wall of the movable block 210 is movably connected to the inner wall of the movable opening 207.

[0034] Specifically: the downward movement of the moving block 210 causes the insert block 209 to press against the connecting spring 208. At the same time, the insert block 209 and the moving block 210 move inside the moving groove 206 and the moving opening 207. The insert block 209 moves away from the inside of the slot 106, so that the protective shell 201 is freed from the limited state.

[0035] In one embodiment, the side of the extension plate 107 away from the electronic circuit breaker body 102 is fixedly connected to one end of the first protective half tube 301, the other end of the first protective half tube 301 is fixedly connected to one end of the first protective corrugated half tube 302, the other end of the first protective corrugated half tube 302 is fixedly connected to one end of the first docking half tube 303, the outer wall of the first docking half tube 303 is provided with a first arc-shaped groove 304, and the inner wall of the first arc-shaped groove 304 is provided with a first trapezoidal arc groove 305.

[0036] Specifically: the connecting line is located inside the first protective half-pipe 301, the second protective half-pipe 401, the first protective corrugated half-pipe 302, the second protective corrugated half-pipe 402, the first mating half-pipe 303, and the second mating half-pipe 403. At the same time, the mating arc plate 406 and the trapezoidal rubber arc plate 407 are located inside the second arc groove 404, the first arc groove 304, the second trapezoidal arc groove 405, and the first trapezoidal arc groove 305, respectively. After the connecting line is bent, the first protective corrugated half-pipe 302 and the second protective corrugated half-pipe 402 bend accordingly.

[0037] In one embodiment, the upper and lower sides of the protective shell 201 are fixedly connected to one end of the second protective half tube 401. The second protective half tube 401 is located on one side of the groove 203. The other end of the second protective half tube 401 is fixedly connected to one end of the second protective corrugated half tube 402. The other end of the second protective corrugated half tube 402 is fixedly connected to one end of the second docking half tube 403. The outer wall of the second docking half tube 403 is provided with a second arc-shaped groove 404, and the inner wall of the second arc-shaped groove 404 is provided with a second trapezoidal arc groove 405.

[0038] Specifically: the first protective corrugated half-pipe 302 and the second protective corrugated half-pipe 402 protect the bends of the connecting wires. The first protective half-pipe 301, the second protective half-pipe 401, the first mating half-pipe 303 and the second mating half-pipe 403 increase the protection of the connecting wire connection.

[0039] In one embodiment, the outer wall of the second arc-shaped groove 404 is movably connected to the inner wall of the mating arc-shaped plate 406, the inner wall of the mating arc-shaped plate 406 is fixedly connected to one side of the trapezoidal rubber arc-shaped plate 407, the outer wall of the mating arc-shaped plate 406 is fixedly connected to one side of the protrusion 408, the outer wall of the trapezoidal rubber arc-shaped plate 407 is movably connected to the inner walls of the second trapezoidal arc-shaped groove 405 and the first trapezoidal arc-shaped groove 305, and the inner wall of the mating arc-shaped plate 406 is movably connected to the inner wall of the first arc-shaped groove 304.

[0040] Specifically, the installation of the arc-shaped plate 406 and the trapezoidal rubber arc-shaped plate 407 facilitates the connection between the first connecting half-pipe 303 and the second connecting half-pipe 403.

[0041] Working principle: In use, the protective housing 201 is connected to the fixing plate 101, and the protective housing 201 protects the electronic circuit breaker body 102. Simultaneously, the connecting wire is located inside the first protective half-pipe 301, the second protective half-pipe 401, the first protective corrugated half-pipe 302, the second protective corrugated half-pipe 402, the first mating half-pipe 303, and the second mating half-pipe 403. Meanwhile, the mating arc plate 406 and the trapezoidal rubber arc plate 407 are respectively located inside the second arc groove 404, the first arc groove 304, the second trapezoidal arc groove 405, and the first trapezoidal arc groove 305. After the connecting wire is bent, the first protective corrugated half-pipe 302 and the second protective corrugated half-pipe 401... 2. As it bends, when the protective shell 201 needs to be inspected, the moving block 210 moves downward, thereby driving the insert block 209 to squeeze the connecting spring 208. At the same time, the insert block 209 and the moving block 210 move inside the moving groove 206 and the moving opening 207. The insert block 209 moves away from the inside of the slot 106, so that the protective shell 201 gets out of the limited state. At the same time, the moving protrusion 408 drives the mating arc plate 406 and the trapezoidal rubber arc plate 407 to move out from the inside of the first arc groove 304 and the first trapezoidal arc groove 305, so that the first mating half tube 303 and the second mating half tube 403 get out of the mating state, thereby disassembling the protective shell 201.

[0042] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An electronic circuit breaker with a removable protective housing, characterized in that, include: A circuit breaker mechanism (1) is provided, comprising a fixing plate (101), an electronic circuit breaker body (102), a fixing block (103), a positioning groove (104), a stabilizing block (105), a slot (106), and an extension plate (107). A protective mechanism (2) is provided on one side of the circuit breaker mechanism (1), comprising a protective shell (201), a transparent observation plate (202), a groove (203), a mounting block (204), a positioning block (205), a moving groove (206), a moving opening (207), a connecting spring (208), a plug (209), and a moving block (210). Both the upper and lower ends of the circuit breaker mechanism (1) are provided with A first connecting line protection mechanism (3) is provided. The first connecting line protection mechanism (3) includes a first protective half tube (301), a first protective corrugated half tube (302), a first docking half tube (303), a first arc groove (304), and a first trapezoidal arc groove (305). A second connecting line protection mechanism (4) is provided at both the upper and lower ends of the protection mechanism (2). The second connecting line protection mechanism (4) includes a second protective half tube (401), a second protective corrugated half tube (402), a second docking half tube (403), a second arc groove (404), a second trapezoidal arc groove (405), a docking arc plate (406), a trapezoidal rubber arc plate (407), and a protrusion (408).

2. An electronic circuit breaker with a detachable protective casing according to claim 1, characterized in that: One side of the fixing plate (101) is fixedly connected to one side of the electronic circuit breaker body (102). Both sides of the fixing plate (101) are fixedly connected to one side of the fixing block (103). A positioning groove (104) is provided inside one side of the fixing block (103). One side of the fixing block (103) is fixedly connected to one side of the stabilizing block (105). A slot (106) is provided at the bottom of the stabilizing block (105). The upper and lower ends of the fixing plate (101) near the electronic circuit breaker body (102) are fixedly connected to one side of the extension plate (107).

3. An electronic circuit breaker with a detachable protective housing according to claim 1, characterized in that: One side of the fixed plate (101) is movably connected to one side of the protective shell (201), and the inner wall of the other side of the protective shell (201) is fixedly connected to the outer wall of the transparent observation plate (202). The upper and lower ends of the protective shell (201) are provided with grooves (203), and the inner wall of the grooves (203) is movably connected to the outer wall of the extension plate (107).

4. An electronic circuit breaker with a detachable protective casing according to claim 3, characterized in that: Both sides of the protective shell (201) are fixedly connected to one side of the mounting block (204). One side of the mounting block (204) is fixedly connected to one side of the positioning block (205). The outer wall of the positioning block (205) is movably connected to the inner wall of the positioning groove (104). The mounting block (204) has a moving groove (206) inside, and a moving opening (207) is provided on one side of the moving groove (206).

5. An electronic circuit breaker with a detachable protective housing according to claim 4, characterized in that: The inner wall of the movable groove (206) is fixedly connected to the bottom end of the connecting spring (208), the top end of the connecting spring (208) is fixedly connected to the bottom end of the insert block (209), the outer wall of the insert block (209) is movably connected to the inner wall of the slot (106), one side of the insert block (209) is fixedly connected to one side of the movable block (210), and the outer wall of the movable block (210) is movably connected to the inner wall of the movable opening (207).

6. An electronic circuit breaker with a detachable protective housing according to claim 1, characterized in that: The side of the extension plate (107) away from the electronic circuit breaker body (102) is fixedly connected to one end of the first protective half tube (301), the other end of the first protective half tube (301) is fixedly connected to one end of the first protective corrugated half tube (302), the other end of the first protective corrugated half tube (302) is fixedly connected to one end of the first docking half tube (303), the outer wall of the first docking half tube (303) is provided with a first arc-shaped groove (304), and the inner wall of the first arc-shaped groove (304) is provided with a first trapezoidal arc groove (305).

7. An electronic circuit breaker with a detachable protective housing according to claim 6, characterized in that: The upper and lower sides of the protective shell (201) are fixedly connected to one end of the second protective half tube (401). The second protective half tube (401) is located on one side of the groove (203). The other end of the second protective half tube (401) is fixedly connected to one end of the second protective corrugated half tube (402). The other end of the second protective corrugated half tube (402) is fixedly connected to one end of the second docking half tube (403). The outer wall of the second docking half tube (403) is provided with a second arc-shaped groove (404), and the inner wall of the second arc-shaped groove (404) is provided with a second trapezoidal arc groove (405).

8. An electronic circuit breaker with a detachable protective housing according to claim 7, characterized in that: The outer wall of the second arc-shaped groove (404) is movably connected to the inner wall of the mating arc-shaped plate (406). The inner wall of the mating arc-shaped plate (406) is fixedly connected to one side of the trapezoidal rubber arc-shaped plate (407). The outer wall of the mating arc-shaped plate (406) is fixedly connected to one side of the protrusion (408). The outer wall of the trapezoidal rubber arc-shaped plate (407) is movably connected to the inner walls of the second trapezoidal arc-shaped groove (405) and the first trapezoidal arc-shaped groove (305). The inner wall of the mating arc-shaped plate (406) is movably connected to the inner wall of the first arc-shaped groove (304).