Circuit breaker temperature sensor mounting structure and quick dismounting method
By designing a force-bearing plate and a sliding lock block structure on the circuit breaker, the temperature sensor can be quickly and manually disassembled, solving the difficulty of requiring tools in the existing technology and improving the replacement efficiency.
Patent Information
- Application Number
- CN202511170840.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2025-11-07
AI Technical Summary
Replacing the temperature sensor in the existing circuit breaker requires the use of external tools, making the replacement difficult.
The device employs a force-bearing plate and a sliding lock block structure. By manually rotating the force-bearing plate, the sliding lock block can be disengaged from the lock groove, enabling rapid disassembly of the temperature sensor and simplifying the disassembly process.
The temperature sensor can be quickly disassembled without the need for external tools, improving replacement efficiency and convenience.
Smart Images
Figure CN120907677A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of circuit breaker, in particular to a kind of circuit breaker temperature sensor installation structure. BACKGROUND
[0002] Circuit breaker refers to the switch device that can be closed, load and open the current under normal loop condition and can be closed, load and open the current under abnormal loop condition within specified time, generally composed of contact system, arc extinguishing system, operating mechanism, release, shell etc., and temperature sensor for temperature measurement is usually installed on the contact system of circuit breaker.
[0003] At present, temperature sensor installed on circuit breaker often adopts bolted connection, when replacing temperature sensor, it needs to use external screwdriver, and cannot be disassembled and replaced manually, which brings difficulty to replace temperature sensor when there is no tool. SUMMARY
[0004] The present application aims to provide a kind of circuit breaker temperature sensor installation structure and quick manual disassembly method to solve the defects mentioned in the above background.
[0005] To achieve the above object, a kind of circuit breaker temperature sensor installation structure is provided, including circuit breaker body and temperature sensor and installation assembly, temperature sensor and installation assembly are installed on the outside of circuit breaker body, and the one end of stress disc of temperature sensor and installation assembly is welded and fixed with fixed cylinder, the end of fixed cylinder away from stress disc is fixedly connected with wire, and the end of stress disc away from fixed cylinder is welded and fixed with fixed seat, the end of fixed seat away from stress disc is fixed with temperature sensing probe, the surface of stress disc is uniformly provided with four groups of lock blocks, and temperature sensing probe is arranged in the inside of circuit breaker body.
[0006] Preferably, positioning hole is formed in the side wall of circuit breaker body, and the size of positioning hole is matched with that of fixed seat, and fixed seat is connected in the inside of positioning hole.
[0007] Preferably, temperature sensor and installation assembly includes temperature sensor and installation structure, wire, fixed cylinder, stress disc, fixed seat and temperature sensing probe are combined to constitute temperature sensor, and lock block, track groove and lock groove are combined to constitute installation structure, and wire is electrically connected with controller and alarm outside.
[0008] Preferably, track groove and lock groove are communicated, and the section of track groove is rectangular, and the section of lock groove is trapezoidal.
[0009] Preferably, the size of lock block is matched with that of lock groove, and lock block is inserted in the inside of track groove and rotatably connected in the inside of lock groove.
[0010] Preferably, the circuit breaker body and the temperature sensor are locked by four sets of lock blocks and lock grooves, and the force receiving disc at the end of the lock block is a regular hexagonal structure.
[0011] The manual quick dismounting method of the sensor, when the temperature sensor on the circuit breaker body needs to be dismounted and replaced, rotates the force receiving disc, so that the lock block is separated from the inside of the lock groove, and the lock block is placed in the inside of the track groove, and the fixed cylinder is pulled outwards, so that the dismounting work between the circuit breaker body and the temperature sensor is completed. The dismounting method is simple and quick, and does not need to rely on external tools, and the temperature sensor on the circuit breaker body can be dismounted by manual rotation. Advantages
[0012] The manual quick dismounting method of the sensor, when the temperature sensor on the circuit breaker body needs to be dismounted and replaced, rotates the force receiving disc, so that the lock block is separated from the inside of the lock groove, and the lock block is placed in the inside of the track groove, and the fixed cylinder is pulled outwards, so that the dismounting work between the circuit breaker body and the temperature sensor is completed. The dismounting method is simple and quick, and does not need to rely on external tools, and the temperature sensor on the circuit breaker body can be dismounted by manual rotation. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural front view schematic diagram of the application; Figure 2 It is a schematic diagram of the connection structure of the circuit breaker body, the temperature sensor and the installation assembly of the application; Figure 3 It is an explosion diagram of the application structure; Figure 2 Figure 4 It is a B-B sectional view schematic diagram in the application structure; Figure 3 Figure 5 It is an A-A sectional view schematic diagram in the application structure. Figure 3
[0014] Marked number in the figure: 1, circuit breaker body; 2, temperature sensor and installation assembly; 21, wire; 22, fixed cylinder; 23, force receiving disc; 24, lock block; 25, fixed seat; 26, temperature sensing probe; 27, track groove; 28, lock groove. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the application.
[0016] Please refer to Figures 1-5 The application provides a circuit breaker temperature sensor mounting structure, which comprises a circuit breaker body 1 and a temperature sensor and mounting assembly 2, wherein the temperature sensor and mounting assembly 2 is mounted on the outer side of the circuit breaker body 1, one end of a stress disc 23 of the temperature sensor and mounting assembly 2 is welded and fixed with a fixed cylinder 22, the other end of the fixed cylinder 22 away from the stress disc 23 is fixedly connected with a wire 21, the other end of the stress disc 23 away from the fixed cylinder 22 is welded and fixed with a fixed seat 25, the other end of the fixed seat 25 away from the stress disc 23 is fixed with a temperature sensing probe 26, and four groups of lock blocks 24 are uniformly arranged on the surface of the stress disc 23, and the temperature sensing probe 26 is arranged in the circuit breaker body 1.
[0017] When the temperature sensor on the circuit breaker body 1 needs to be disassembled and replaced, the stress disc 23 is rotated at this time, so that the lock blocks 24 are separated from the inside of the lock grooves 28 and placed in the track grooves 27, and the fixed cylinder 22 is pulled out, so that the disassembly work between the circuit breaker body 1 and the temperature sensor can be completed, the disassembly mode is simple and fast, and no external tool is needed, and the temperature sensor on the circuit breaker body 1 can be disassembled by manual rotation.
[0018] As a preferred embodiment, a positioning hole is formed in the side wall of the circuit breaker body 1, and the size of the positioning hole is matched with that of the fixed seat 25, and the fixed seat 25 is clamped in the positioning hole.
[0019] As shown in the figure Figures 1-4 The positioning hole is formed in the side wall of the circuit breaker body 1, and the lock blocks 24 are arranged in the track grooves 27 and rotated when the fixed seat 25 is clamped in the positioning hole, so that the lock blocks 24 are clamped in the lock grooves 28 along the track grooves 27, so that the installation work of the temperature sensor on the circuit breaker body 1 is completed.
[0020] As a preferred embodiment, the temperature sensor and mounting assembly 2 comprises a temperature sensor and a mounting structure, the wire 21, the fixed cylinder 22, the stress disc 23, the fixed seat 25 and the temperature sensing probe 26 are combined together to form the temperature sensor, the lock blocks 24, the track grooves 27 and the lock grooves 28 are combined together to form the mounting structure, and the wire 21 is electrically connected with a controller and an alarm in the outside.
[0021] As shown in the figure Figure 1 When the circuit breaker body 1 is overloaded and the temperature in the circuit breaker body 1 rises, the temperature detected by the temperature sensor is greater than the preset temperature of the controller, the controller starts the alarm to alarm personnel to turn off the high-power electrical appliances, so as to avoid damage to the circuit breaker body 1. The above-mentioned temperature sensor, controller and alarm can be directly purchased in the market, and their working principles and circuit connection structures are well known to those skilled in the art, and thus are not described in detail.
[0022] As a preferred embodiment, the track groove 27 and the lock groove 28 are in communication, and the track groove 27 has a rectangular cross section, while the lock groove 28 has a trapezoidal cross section.
[0023] As a preferred embodiment, the horse lock block 24 is sized to fit the lock groove 28, and the horse lock block 24 is inserted into the inside of the track groove 27 and rotationally connected to the inside of the lock groove 28.
[0024] The horse lock block 24 is sized to fit the lock groove 28, and there is a friction force between the horse lock block 24 and the lock groove 28, which can ensure the tightness of the horse lock block 24 and the lock groove 28 when connected.
[0025] As a preferred embodiment, the circuit breaker body 1 and the temperature sensor are locked by four sets of horse lock blocks 24 and lock grooves 28, and the force receiving disc 23 at the end of the horse lock block 24 has a regular hexagonal structure.
[0026] The manual quick dismounting method of the sensor can be used when the temperature sensor on the circuit breaker body needs to be dismounted and replaced. The force receiving disc is rotated to make the horse lock block disengage from the inside of the lock groove, and the horse lock block is placed in the inside of the track groove, and the fixed cylinder is pulled outwards, so that the dismounting work between the circuit breaker body and the temperature sensor can be completed. The dismounting method is simple and quick, and does not need to use external tools. The temperature sensor on the circuit breaker body can be dismounted by manual rotation.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application 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), characterised in that: The temperature sensor and mounting assembly (2) is mounted on the outside of the circuit breaker body (1), and one end of the stress disc (23) of the temperature sensor and mounting assembly (2) is welded and fixed with the fixed cylinder (22), and the other end of the fixed cylinder (22) away from the stress disc (23) is fixedly connected with the lead wire (21), and the other end of the stress disc (23) away from the fixed cylinder (22) is welded and fixed with the fixed seat (25), the other end of the fixed seat (25) away from the stress disc (23) is fixed with the temperature sensing probe (26), and the surface of the stress disc (23) is uniformly provided with four groups of horse lock blocks (24), and the temperature sensing probe (26) is arranged in the inside of the circuit breaker body (1).
2. The circuit breaker temperature sensor mounting structure of claim 1, wherein: The side wall of the circuit breaker body (1) is provided with a positioning hole, and the size of the positioning hole is matched with the fixed seat (25), and the fixed seat (25) is clamped in the inside of the positioning hole.
3. The circuit breaker temperature sensor mounting structure of claim 1, wherein: The temperature sensor and mounting assembly (2) comprises a temperature sensor and a mounting structure, and the lead wire (21), the fixed cylinder (22), the stress disc (23), the fixed seat (25) and the temperature sensing probe (26) are combined to form the temperature sensor, and the horse lock block (24), the track groove (27) and the lock groove (28) are combined to form the mounting structure, and the lead wire (21) is electrically connected with the controller and the alarm in the outside.
4. The circuit breaker temperature sensor mounting structure of claim 3, wherein: The track groove (27) and the lock groove (28) are communicated, and the cross section of the track groove (27) is rectangular, and the cross section of the lock groove (28) is trapezoidal.
5. The circuit breaker temperature sensor mounting structure of claim 1, wherein: The size of the horse lock block (24) is matched with the lock groove (28), and the horse lock block (24) is inserted in the inside of the track groove (27) and clamped in the inside of the lock groove (28).
6. The circuit breaker temperature sensor mounting structure of claim 1, wherein: The circuit breaker body (1) and the temperature sensor are locked by the four groups of horse lock blocks (24) and the lock grooves (28), and the stress disc (23) at the end of the horse lock block (24) is a regular hexagonal structure.
7. A method of manually and quickly disassembling a sensor according to any one of claims 1-7, characterized by: When the temperature sensor on the circuit breaker body needs to be disassembled and replaced, the stress disc is rotated, the horse lock block is separated from the inside of the lock groove, the horse lock block is placed in the inside of the track groove, the fixed cylinder is pulled outwards, and the disassembly of the circuit breaker body and the temperature sensor can be completed, the disassembly mode is simple and fast, and no external tool is needed, and the temperature sensor on the circuit breaker body can be disassembled by manual rotation.