Wiring structure of backup protector
By designing an automatically pop-up wiring structure in the backup protector, the high temperature problem at the wiring during short circuit is solved, and the automatic disconnection of the wiring harness is realized and the equipment is separated, reducing safety risks and improving the safety performance of the protector.
Patent Information
- Application Number
- CN202420988715.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing backup protectors will experience high loads and high temperatures at the wiring when the wiring is shorted, causing the wiring port to melt, reducing safety performance and affecting the use of the equipment.
A wiring structure is designed, including a housing, positioning groove, connecting frame, air chamber, metal plate, temperature sensor and clamp. The piston and push plate are pushed through high-pressure gas, so that the connecting frame bounces up and disconnects under abnormal conditions. Connection of wire harness and protector reduces safety risks.
When an abnormality occurs in the backup protector, the automatic bounce of the wiring harness is realized and the equipment is separated, reducing safety risks and protecting the protector, improving safety performance.
Smart Images

Figure CN222300984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of backup protectors, in particular to a wiring structure of a backup protector. Background Art
[0002] A backup protector is an electrical safety device that is usually installed on power lines to detect and protect circuits from problems such as overloads, short circuits, and undervoltages. When any one or more of these problems occur in a circuit, the backup protector immediately cuts off the power supply, preventing the circuit from continuing to operate and causing greater damage.
[0003] However, in the current prior art, when a short circuit occurs during the use of the backup protector, high load and high temperature will appear at the wiring point. Although the protector will cut off the power to the line, the high temperature at the line wiring point cannot be completely eliminated in a short time. Therefore, the wiring port will melt due to the high temperature, resulting in a reduction in the safety performance of the protector and even damage to the equipment, affecting the use of the backup protector. Utility Model Content
[0004] The purpose of the utility model is to provide a wiring structure of a backup protector to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A wiring structure of a backup protector comprises a shell, a connecting assembly for wiring the protector to a wiring harness is arranged on the top of the shell, the connecting assembly comprises a plurality of positioning grooves arranged on the top of the shell, a connection frame is arranged inside each of the plurality of positioning grooves, an air bin is arranged inside each of the connection frames, a metal plate is arranged on the inner wall of the air bin, a temperature sensor and a card block are arranged on the inner wall of the other side of the air bin, a storage groove is arranged at one end of the air bin, a connecting rod is arranged inside the air bin, a piston is arranged on the connecting rod near one end of the air bin, and a push plate is arranged at the other end.
[0007] As a preferred solution of the utility model, the plurality of positioning grooves are arranged and distributed on the top of the shell and communicate with the wiring terminal of the backup protector. The connection frame is located in the positioning groove and is slidably connected to the inner wall of the positioning groove through a slide rail.
[0008] As a preferred solution of the utility model, the gas bin is located in the connecting frame, the metal plate is embedded and connected to the inner wall of the gas bin, and the other side is connected to the wiring harness hole of the inner wall of the connecting frame, and the temperature sensor is connected to the inner wall of the gas bin by bolts.
[0009] As a preferred solution of the utility model, the block is rotatably connected to the inner wall of the gas chamber through a connecting shaft, and the other end is a conical structure and abuts against the piston. The metal plate and the temperature sensor are both electrically connected to the block.
[0010] As a preferred solution of the utility model, one end of the connecting rod is located in the air bin and connected to the piston by a bolt, the piston is slidably connected to the inner wall of the air bin, and the other end of the connecting rod extends into the storage groove and is connected by a push plate.
[0011] As a preferred solution of the utility model, the receiving groove is communicated with the positioning groove, and the gas chamber is loaded with high-pressure gas. The gas pressure can push the piston to slide and drive the push plate to extend from the receiving groove to pop up the connecting frame.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: in response to the problems raised in the background technology, the present application adopts a connecting component, which wraps the connector of the wiring harness through a connector frame, and when a short circuit occurs at the connection point or leakage or high temperature occurs at the connection point due to high load, the abnormal current or high temperature will be transmitted to the metal plate on the inner wall of the connection frame, and the abnormality will be transmitted into the gas chamber through the metal plate, and the abnormality will be monitored by the temperature sensor and the conductivity of the metal plate, and a signal will be sent to control the contraction of the card block after the abnormal situation occurs, so that the high-pressure gas in the gas chamber pushes the connecting rod to retract and retract in the gas chamber, and the push plate is extended to make the connection frame pop up, thereby pulling the wiring harness away from the connection terminal of the backup protector, so that the wiring harness is separated from the backup protector when the power is cut off, reducing the impact caused by the abnormality, reducing the safety risk and protecting the backup protector at the same time.
[0013] The utility model can realize the separation of the wire harness from the equipment when an abnormality occurs in the backup protector, thereby reducing the safety risk and protecting the backup protector at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0015] Figure 2 This is a cross-sectional view of the interior of the frame of the utility model;
[0016] Figure 3 It is an enlarged view of part A of the utility model.
[0017] In the figure: 1, shell; 2, positioning groove; 3, connecting frame; 4, air chamber; 401, metal plate; 402, temperature sensor; 5, block; 6, storage groove; 7, connecting rod; 701, piston; 702, push plate. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.
[0019] Example
[0020] See also Figure 1-3The utility model provides a technical solution: a wiring structure of a backup protector, comprising a shell 1, a connection assembly for wiring the protector and the wiring harness is arranged on the top of the shell 1, the connection assembly comprises a plurality of positioning grooves 2 arranged on the top of the shell 1, for locating the position of the docking frame 3 and the wiring terminal of the backup protector, a plurality of the positioning grooves 2 are provided with a connection frame 3 inside, the wiring harness can pass through the connection frame 3 when installed, and the end of the wiring harness can be clamped, the connection frame 3 is provided with a gas chamber 4 inside, the gas chamber 4 is loaded with high-pressure gas, and the piston 701 can be pushed to expand and contract in the gas chamber 4 by the gas pressure, A metal plate 401 is provided on the inner wall of the gas bin 4. When a short circuit leakage occurs at the connection terminal or high temperature is generated under high load, the metal plate 401 has thermal conductivity and electrical conductivity, and can conduct the leakage current or high temperature into the gas bin 4. A temperature sensor 402 and a block 5 are provided on the inner wall on the other side of the gas bin 4. The block 5 is used to lock the piston 701 and limit the connecting rod 7 in the normal state. A storage groove 6 is provided at one end of the gas bin 4, and a connecting rod 7 is provided inside the gas bin 4. The connecting rod 7 is used to connect the gas bin 4 and the storage groove 6. A piston 701 is provided at one end of the connecting rod 7 close to the gas bin 4, and a push plate 702 is provided at the other end. When high load at the connection point generates high temperature, the temperature will be transmitted to the gas chamber 4. When the temperature sensor 402 detects that the temperature in the gas chamber 4 rises to the specified value, a signal is sent to activate the card block 5 through the PLC controller. Or when there is leakage at the connection point, the current is transmitted to the card block 5 in the gas chamber 4 through the metal plate 401, which can also activate the card block 5. After the card block 5 is activated, it is driven to rotate and contract through the connecting shaft to disengage from the piston 701, so that the high-pressure gas in the gas chamber 4 can push the connecting rod 7 to move in the gas chamber 4, and drive the push plate 702 to extend from the storage slot 6, and pop up the connecting frame 3, so that the wiring harness is disconnected from the wiring terminal of the backup protector through the pop-up of the connecting frame 3.
[0021] In this embodiment, all electrical components are controlled by conventional controllers.
[0022] For example, please refer to Figure 1-3The plurality of positioning grooves 2 are arranged and distributed on the top of the housing 1 and communicate with the wiring terminal of the backup protector. The connection frame 3 is located in the positioning groove 2 and is slidably connected to the inner wall of the positioning groove 2 through a slide rail. The gas chamber 4 is located in the connection frame 3. The metal plate 401 is embedded and connected to the inner wall of the gas chamber 4, and the other side is connected to the harness hole of the inner wall of the connection frame 3. The temperature sensor 402 is connected to the inner wall of the gas chamber 4 by bolts. The block 5 is rotatably connected to the inner wall of the gas chamber 4 through a connecting shaft, and the other end is a conical structure and is connected to the piston 70 1 is abutted, the metal plate 401 and the temperature sensor 402 are both electrically connected to the card block 5, one end of the connecting rod 7 is located in the gas chamber 4 and is connected to the piston 701 by a bolt, the piston 701 is slidably connected to the inner wall of the gas chamber 4, the other end of the connecting rod 7 extends into the receiving groove 6 and is connected by a push plate 702, the receiving groove 6 is communicated with the positioning groove 2, the gas chamber 4 is loaded with high-pressure gas, the gas pressure can push the piston 701 to slide and drive the push plate 702 to extend from the receiving groove 6, and the connecting frame 3 pops up. When in use, first connect the wiring harness through the connection frame 3 and the connection terminal of the backup protector when installing. When a short circuit or high load abnormality occurs at the connection point, the current or high temperature is conducted to the gas chamber 4 through the metal plate 401 on the inner wall of the connection frame 3, and the card block 5 is activated and controlled by the PLC controller to rotate and shrink away from the piston 701. At the same time, the connecting rod 7 is pushed out of the gas chamber 4 by the high-pressure gas in the gas chamber 4, and the push plate 702 is abutted against the inner wall of the positioning groove 2 to pop up the connection frame 3, and the connection frame 3 is popped up to separate the wiring harness from the connection terminal of the backup protector.
[0023] The working process of the utility model is as follows: when in use, first connect the connection frame 3 that penetrates the wiring harness during installation to the connection terminal of the backup protector. When a short circuit or high load occurs at the connection point, the current or high temperature is conducted to the gas chamber 4 through the metal plate 401 on the inner wall of the connection frame 3, and the card block 5 is activated to rotate and shrink away from the piston 701 through the PLC controller. At the same time, the connecting rod 7 is pushed out of the gas chamber 4 by the high-pressure gas in the gas chamber 4, and the push plate 702 is in contact with the inner wall of the positioning groove 2 to pop up the connection frame 3, and the connection frame 3 is popped up to separate the wiring harness from the connection terminal of the backup protector. The utility model realizes the separation of the wiring harness from the equipment when an abnormality occurs in the backup protector, reducing safety risks while protecting the backup protector.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A wiring structure of a backup protector, comprising a housing (1), wherein a connection assembly for wiring the protector and a wiring harness is arranged on the top of the housing (1), characterized in that: The connection assembly comprises a plurality of positioning grooves (2) arranged on the top of the shell (1), a connection frame (3) is arranged inside each of the positioning grooves (2), a gas chamber (4) is arranged inside each of the connection frames (3), a metal plate (401) is arranged on the inner wall of the gas chamber (4), a temperature sensor (402) and a block (5) are arranged on the inner wall of the other side of the gas chamber (4), a storage groove (6) is arranged at one end of the gas chamber (4), a connecting rod (7) is arranged inside the gas chamber (4), a piston (701) is arranged at one end of the connecting rod (7) close to the gas chamber (4), and a push plate (702) is arranged at the other end.
2. The wiring structure of a backup protector according to claim 1, characterized in that: The plurality of positioning grooves (2) are arranged and distributed on the top of the housing (1) and are connected to the wiring terminals of the backup protector. The connection frame (3) is located in the positioning groove (2) and is slidably connected to the inner wall of the positioning groove (2) via a slide rail.
3. The wiring structure of a backup protector according to claim 1, characterized in that: The gas bin (4) is located in the connection frame (3), the metal plate (401) is embedded and connected to the inner wall of the gas bin (4), and the other side is connected to the wiring harness hole of the inner wall of the connection frame (3), and the temperature sensor (402) is connected to the inner wall of the gas bin (4) by bolts.
4. The wiring structure of a backup protector according to claim 1, characterized in that: The block (5) is rotatably connected to the inner wall of the gas chamber (4) via a connecting shaft, and the other end is a conical structure and abuts against the piston (701). The metal plate (401) and the temperature sensor (402) are both electrically connected to the block (5).
5. The wiring structure of a backup protector according to claim 1, characterized in that: One end of the connecting rod (7) is located in the gas bin (4) and is connected to the piston (701) via a bolt. The piston (701) is slidably connected to the inner wall of the gas bin (4). The other end of the connecting rod (7) extends into the receiving groove (6) and is connected via a push plate (702).
6. The wiring structure of a backup protector according to claim 1, characterized in that: The receiving groove (6) is in communication with the positioning groove (2), and the gas chamber (4) is loaded with high-pressure gas. The gas pressure can push the piston (701) to slide and drive the push plate (702) to extend out of the receiving groove (6), thereby popping up the connecting frame (3).
