A circuit breaker temperature sensor mounting structure

Abstract

The utility model discloses a circuit breaker temperature sensor mounting structure, including circuit breaker body and temperature sensor and installation component, the outside installation of circuit breaker body has temperature sensor and installation component, and temperature sensor and installation component's stress disc one end is welded fixed with fixed cylinder, and fixed cylinder is away from stress disc's one end with wire fixed connection, and stress disc is away from fixed cylinder's one end with fixed base welding fixed. The circuit breaker temperature sensor mounting structure, rotates stress disc, makes the walk horse lock block to separate in the inside of lock groove, makes the walk horse lock block to be placed in the inside of track groove, and the fixed cylinder is pulled outward, can complete the disassembly work between circuit breaker body and temperature sensor, and the mode of disassembly is simple and quick, need not help outside tool, through the manual rotation mode, can carry out the disassembly work to the temperature sensor on circuit breaker body.

Description

Technical Field

[0001] This utility model relates to the field of circuit breakers, specifically to a circuit breaker temperature sensor mounting structure. Background Technology

[0002] A circuit breaker is a switching device that can close, carry, and interrupt current under normal circuit conditions and can close, carry, and interrupt current under abnormal circuit conditions within a specified time. It generally consists of a contact system, an arc-extinguishing system, an operating mechanism, a trip unit, and a housing. Temperature sensors used for temperature measurement are usually installed on the contact system of the circuit breaker.

[0003] Currently, temperature sensors installed on circuit breakers are often connected by bolts. When replacing temperature sensors, an external screwdriver is required, as they cannot be disassembled and replaced by hand. This makes it difficult to replace temperature sensors when tools are unavailable. Utility Model Content

[0004] The purpose of this invention is to provide a circuit breaker temperature sensor mounting structure to solve the defects mentioned in the background art.

[0005] To achieve the above objectives, a circuit breaker temperature sensor mounting structure is provided, including a circuit breaker body and a temperature sensor and mounting assembly. The temperature sensor and mounting assembly are mounted on the outside of the circuit breaker body. One end of the force-bearing plate of the temperature sensor and mounting assembly is welded and fixed to a fixed cylinder. At the same time, the end of the fixed cylinder away from the force-bearing plate is fixedly connected to a wire. The end of the force-bearing plate away from the fixed cylinder is welded and fixed to a fixed base. The end of the fixed base away from the force-bearing plate is fixed to a temperature probe. Four sets of moving blocks are evenly fixed on the surface of the force-bearing plate. The temperature probe is located inside the circuit breaker body.

[0006] Preferably, a positioning hole is provided on the side wall of the circuit breaker body, and the positioning hole is adapted to the size of the fixing seat, while the fixing seat is engaged inside the positioning hole.

[0007] Preferably, the temperature sensor and mounting assembly includes a temperature sensor and a mounting structure. The wire, fixing cylinder, force plate, fixing base and temperature probe are combined together to form the temperature sensor. At the same time, the sliding lock block, track groove and lock groove are combined together to form the mounting structure. The wire is electrically connected to the external controller and alarm.

[0008] Preferably, the track groove and the lock groove are connected, and the track groove has a rectangular cross-section while the lock groove has a trapezoidal cross-section.

[0009] Preferably, the size of the zoetrope lock block is adapted to the size of the lock groove, and the zoetrope lock block is inserted into the inside of the track groove and rotated and locked into the inside of the lock groove.

[0010] Preferably, the circuit breaker body and the temperature sensor are locked together by four sets of locking blocks and locking grooves, and the force-bearing plate at the end of the locking block is a regular hexagonal structure.

[0011] Compared with the prior art, the beneficial effects of this utility model are: by rotating the force plate, the moving block is disengaged from the inside of the locking groove, and the moving block is placed inside the track groove. By pulling out the fixing cylinder, the disassembly between the circuit breaker body and the temperature sensor can be completed. The disassembly method is simple and quick, and no external tools are needed. The temperature sensor on the circuit breaker body can be disassembled by manually rotating it. Attached Figure Description

[0012] Figure 1 This is a front view schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the connection structure of the circuit breaker body, temperature sensor and mounting components of this utility model. Figure 3 The structure of this utility model Figure 2 Exploded view; Figure 4 The structure of this utility model Figure 3 Schematic diagram of the BB cross section in the middle; Figure 5 The structure of this utility model Figure 3 A schematic diagram of the AA cross section.

[0013] The following are the labels in the diagram: 1. Circuit breaker body; 2. Temperature sensor and mounting components; 21. Wire; 22. Fixing cylinder; 23. Force plate; 24. Moving block; 25. Fixing base; 26. Temperature probe; 27. Track groove; 28. Lock groove. Detailed Implementation

[0014] 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.

[0015] Please see Figure 1-5This utility model provides a circuit breaker temperature sensor installation structure, including a circuit breaker body 1 and a temperature sensor and installation assembly 2. The temperature sensor and installation assembly 2 are installed on the outside of the circuit breaker body 1. One end of the force-receiving plate 23 of the temperature sensor and installation assembly 2 is welded and fixed to the fixing cylinder 22. At the same time, the end of the fixing cylinder 22 away from the force-receiving plate 23 is fixedly connected to the wire 21. The end of the force-receiving plate 23 away from the fixing cylinder 22 is welded and fixed to the fixing seat 25. The end of the fixing seat 25 away from the force-receiving plate 23 is fixed to the temperature probe 26. Four sets of moving blocks 24 are evenly fixed on the surface of the force-receiving plate 23. The temperature probe 26 is located inside the circuit breaker body 1.

[0016] Working principle: When it is necessary to disassemble and replace the temperature sensor on the circuit breaker body 1, rotate the force plate 23 to disengage the sliding lock block 24 inside the lock groove 28, so that the sliding lock block 24 is placed inside the track groove 27. Pull the fixing cylinder 22 outward to complete the disassembly between the circuit breaker body 1 and the temperature sensor. The disassembly method is simple and quick, without the need for external tools. The temperature sensor on the circuit breaker body 1 can be disassembled by manually rotating it.

[0017] As a preferred embodiment, a positioning hole is provided on the side wall of the circuit breaker body 1, and the positioning hole is adapted to the size of the fixing seat 25, while the fixing seat 25 is snapped into the inside of the positioning hole.

[0018] like Figure 1-4 As shown: A positioning hole is provided on the side wall of the circuit breaker body 1. This positioning hole is used to install the fixing seat 25. When the fixing seat 25 is engaged in the positioning hole, the sliding lock block 24 is set in the track groove 27 and rotates, so that the sliding lock block 24 is engaged in the locking groove 28 along the track groove 27, thereby completing the installation of the temperature sensor on the circuit breaker body 1.

[0019] In a preferred embodiment, the temperature sensor and mounting assembly 2 includes a temperature sensor and a mounting structure. The wire 21, the fixing cylinder 22, the force-bearing plate 23, the fixing base 25 and the temperature probe 26 are combined together to form the temperature sensor. Meanwhile, the sliding lock block 24, the track groove 27 and the lock groove 28 are combined together to form the mounting structure. The wire 21 is electrically connected to the external controller and alarm.

[0020] like Figure 1 As shown: When the circuit breaker body 1 is overloaded and its internal temperature rises, the temperature detected by the temperature sensor is greater than the temperature preset by the controller. At this time, the controller will activate the alarm to warn personnel to shut down high-power electrical appliances to prevent the circuit breaker body 1 from being damaged. The temperature sensors, controllers, and alarms mentioned above can all be purchased directly from the market, and their working principles and circuit connection structures are well known to those skilled in the art. They are not essential technical features to be protected in this application and will not be described in detail here.

[0021] In a preferred embodiment, the track groove 27 and the locking groove 28 are connected, and the cross-section of the track groove 27 is rectangular, while the cross-section of the locking groove 28 is trapezoidal.

[0022] In a preferred embodiment, the size of the zoe lock block 24 is adapted to the size of the lock groove 28, and the zoe lock block 24 is inserted into the inside of the track groove 27 and rotated and locked into the inside of the lock groove 28.

[0023] The dimensions of the sliding lock block 24 and the lock groove 28 are matched. There is friction between the sliding lock block 24 and the lock groove 28. The friction can ensure the tightness of the connection between the sliding lock block 24 and the lock groove 28.

[0024] In a preferred embodiment, the circuit breaker body 1 and the temperature sensor are locked together by four sets of sliding lock blocks 24 and lock grooves 28, and the force-bearing plate 23 at the end of the sliding lock block 24 has a regular hexagonal structure.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker temperature sensor mounting structure, comprising a circuit breaker body (1) and a temperature sensor and mounting assembly (2), characterized in that: A temperature sensor and mounting assembly (2) are installed on the outside of the circuit breaker body (1). One end of the force plate (23) of the temperature sensor and mounting assembly (2) is welded and fixed to the fixed cylinder (22). At the same time, the end of the fixed cylinder (22) away from the force plate (23) is fixedly connected to the wire (21). The end of the force plate (23) away from the fixed cylinder (22) is welded and fixed to the fixed seat (25). The end of the fixed seat (25) away from the force plate (23) is fixed to the temperature probe (26). Four sets of moving blocks (24) are evenly fixed on the surface of the force plate (23). The temperature probe (26) is located inside the circuit breaker body (1).

2. The circuit breaker temperature sensor mounting structure according to claim 1, characterized in that: The circuit breaker body (1) has a positioning hole on its side wall, and the positioning hole is adapted to the size of the fixing seat (25), while the fixing seat (25) is engaged inside the positioning hole.

3. The circuit breaker temperature sensor mounting structure according to claim 1, characterized in that: The temperature sensor and mounting assembly (2) includes a temperature sensor and a mounting structure. The wire (21), the fixed cylinder (22), the force plate (23), the fixed base (25) and the temperature probe (26) are combined together to form a temperature sensor. Meanwhile, the zoe lock block (24), the track groove (27) and the lock groove (28) are combined together to form a mounting structure. The wire (21) is electrically connected to the external controller and alarm.

4. The circuit breaker temperature sensor mounting structure according to claim 3, characterized in that: The track groove (27) and the lock groove (28) are connected, and the cross section of the track groove (27) is rectangular, while the cross section of the lock groove (28) is trapezoidal.

5. The circuit breaker temperature sensor mounting structure according to claim 1, characterized in that: The size of the zoetrope lock block (24) is adapted to the size of the lock groove (28), and the zoetrope lock block (24) is inserted into the inside of the track groove (27) and rotated and locked into the inside of the lock groove (28).

6. The circuit breaker temperature sensor mounting structure according to claim 1, characterized in that: The circuit breaker body (1) and the temperature sensor are locked together by four sets of zoe lock blocks (24) and lock grooves (28), and the force plate (23) at the end of the zoe lock block (24) is a regular hexagonal structure.

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