Power socket with leakage protection function

By introducing a current sensor, a buzzer, and a positioning mechanism into the socket, the problems of warning and inconvenience in maintenance during leakage are solved, enabling convenient leakage handling and maintenance.

CN224177691UActive Publication Date: 2026-04-28HUBEI HANJITONG POWER ELECTRONICS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI HANJITONG POWER ELECTRONICS TECH CO LTD
Filing Date
2025-05-20
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing sockets are not convenient for issuing timely warnings to personnel when there is a leakage, and they are inconvenient to install and remove, making maintenance difficult.

Method used

An alarm mechanism with a current sensor and a buzzer was designed to cut off the power and issue an alarm when there is a leakage. At the same time, a positioning mechanism enables quick connection and disassembly of the socket panel and the lower housing.

Benefits of technology

It enables timely warning and handling in case of leakage and facilitates maintenance, improving the ease of installation and removal of the socket.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224177691U_ABST
    Figure CN224177691U_ABST
Patent Text Reader

Abstract

The utility model discloses an electric power socket with a leakage protection function, which comprises a lower shell, a terminal is fixedly arranged in the lower shell, a current sensor is fixedly arranged on one side in the lower shell, one side of the current sensor is electrically connected with a warning mechanism, and the other side of the current sensor is electrically connected with a power supply. A circuit breaker is fixedly installed on the side, close to the current sensor, in the lower shell. And butt joint holes are formed in the periphery of the top face of the lower shell, and butt joint columns are inserted into the butt joint holes. According to the power socket with the electric leakage protection function, through the arrangement of the warning mechanism, the live wire of the power line plug is connected with the circuit breaker, passes through the current sensor and then is connected with the terminal, and the zero wire passes through the current sensor and then is connected with the terminal, the current sensor senses current during use, and when the current is abnormal, the controller controls the circuit breaker to cut off a power supply; and an alarm is given out through a buzzer, so that the effect of reminding personnel to timely process while performing leakage protection is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of socket technology, specifically to a power socket with leakage protection function. Background Technology

[0002] A socket, also known as a power outlet or switch socket, is a receptacle that allows one or more electrical connections to be inserted. This facilitates connection to other circuits. The connection or disconnection of the circuit is achieved through the connection and disconnection of the wiring and copper components.

[0003] A multi-row socket with leakage current protection function is disclosed in publication number CN202817408U. The beneficial effects of this utility model are: it can display the leakage current of each single row of sockets and the total leakage current of multiple rows of sockets; simultaneously, based on a set leakage current value, it can cut off the power supply to the socket when the leakage current of any row of sockets exceeds a safe value, thus protecting the user's safety.

[0004] However, this multi-row socket with leakage protection has the following disadvantages: it is not convenient to issue a timely warning to remind personnel to check and deal with the problem after leakage occurs. In addition, the socket is generally fixed with screws, which is not convenient to install and disassemble, and is not convenient for personnel to maintain. Utility Model Content

[0005] The technical problems to be solved by this utility model are as follows: it is inconvenient to issue warnings to remind personnel to investigate and deal with the problem in a timely manner after leakage occurs. In addition, the overall installation and disassembly of the socket is not convenient, making it inconvenient for personnel to carry out maintenance.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A power socket with leakage protection function includes a lower housing. Terminals are fixedly installed inside the lower housing. A current sensor is fixedly installed on one side of the lower housing. An alarm mechanism is electrically connected to one side of the current sensor. A circuit breaker is fixedly installed inside the lower housing near the current sensor. The top surface of the lower housing has four mating holes. A mating post is inserted into each mating hole. A socket panel is fixedly installed on the top of each mating post. Positioning pieces are fixedly installed in a rectangular array around the surface of the socket panel. A positioning mechanism is fixedly installed inside each positioning piece through a through hole.

[0008] As a further embodiment of this utility model: the warning mechanism includes a controller and a buzzer, one side of the controller is electrically connected to a current sensor, the buzzer is electrically connected to the controller, and the controller is used to control the buzzer to issue a warning.

[0009] As a further embodiment of this utility model: the controller and the buzzer are both fixedly installed on the edge of the top surface of the socket panel, and the other side of the controller is electrically connected to the circuit breaker, which is used to cut off the circuit.

[0010] As a further embodiment of this utility model: a power cord plug is fixedly provided at one end of the lower housing, the live wire of the power cord plug is electrically connected to the circuit breaker and connected in series with the current sensor and terminals, and the power cord plug is used to connect to an external power source.

[0011] As a further embodiment of this utility model: the positioning mechanism includes a spring and a positioning post. The spring is fixedly disposed inside the through hole, and the positioning post is fixedly connected to one end of the spring. The positioning post is slidably disposed inside the through hole. The positioning mechanism is used to connect the socket panel to the lower housing.

[0012] As a further embodiment of this utility model: positioning blocks are fixedly provided around the perimeter of the lower housing surface, and positioning holes are provided on the surface of the positioning blocks. The positioning holes are adapted to the positioning posts, and the positioning holes facilitate the sliding of the positioning posts.

[0013] As a further embodiment of this utility model: a protective pad is fixedly provided on the bottom surface of the lower housing. The protective pad is made of rubber and is used to protect the bottom of the lower housing.

[0014] The beneficial effects of this utility model are:

[0015] 1. By setting up an alarm mechanism, the live wire of the power cord plug is connected to the circuit breaker, passes through the current sensor, and is connected to the terminal. The neutral wire passes through the current sensor and is connected to the terminal. When in use, the current sensor senses the current. When the current is abnormal, the controller controls the circuit breaker to cut off the power supply and issues an alarm through a buzzer. This achieves the effect of providing leakage protection while reminding personnel to deal with the problem in a timely manner.

[0016] 2. By pressing the positioning pin, the mating pin is inserted into the mating hole on the lower housing. At the same time, the positioning piece is inserted into the positioning block, and the spring rebounds the positioning pin into the positioning hole of the positioning block. This achieves the effect of quickly connecting and installing the socket panel with the lower housing, and disassembly is also convenient and quick, making it easy for personnel to maintain the power socket. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the warning mechanism structure of this utility model;

[0020] Figure 3 This is an enlarged structural schematic diagram of point A of this utility model;

[0021] Figure 4 This is a schematic diagram of the lower shell structure of this utility model;

[0022] Figure 5 This is an enlarged structural schematic diagram of section B of this utility model.

[0023] In the diagram: 1. Lower housing; 2. Terminal; 3. Current sensor; 4. Warning mechanism; 401. Controller; 402. Buzzer; 5. Circuit breaker; 6. Connecting post; 7. Socket panel; 8. Positioning plate; 9. Positioning mechanism; 901. Spring; 902. Positioning post; 10. Power cord plug; 11. Positioning block; 12. Protective pad. Detailed Implementation

[0024] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1-5 As shown, a power socket with leakage protection function includes a lower housing 1. A terminal 2 is fixedly installed inside the lower housing 1. A current sensor 3 is fixedly installed on one side inside the lower housing 1. An alarm mechanism 4 is electrically connected to one side of the current sensor 3. Through the setting of the alarm mechanism 4, the live wire of the power cord plug 10 is connected to the circuit breaker 5, passes through the current sensor 3 and is connected to the terminal 2. The neutral wire passes through the current sensor 3 and is connected to the terminal 2. When in use, the current sensor 3 senses the current. When the current is abnormal, the controller 401 controls the circuit breaker 5 to cut off the power supply and the buzzer 402 sounds an alarm, achieving the effect of reminding people to deal with the leakage at the same time.

[0026] A circuit breaker 5 is fixedly installed inside the lower housing 1 on the side near the current sensor 3. The top surface of the lower housing 1 has four docking holes, and docking posts 6 are inserted into the holes. A socket panel 7 is fixedly installed on the top of the docking posts 6. Positioning pieces 8 are fixedly installed in a rectangular array around the surface of the socket panel 7. A through hole is opened on the surface of the positioning piece 8, and a positioning mechanism 9 is fixedly installed inside the through hole. By pressing the positioning post 902 through the positioning mechanism 9, the docking post 6 is inserted into the docking hole on the lower housing 1. At this time, the positioning piece 8 is simultaneously inserted into the positioning block 11. The spring 901 rebounds and the positioning post 902 is inserted into the positioning hole of the positioning block 11, achieving the effect of quickly connecting and installing the socket panel 7 to the lower housing 1. Disassembly is also convenient and quick, facilitating maintenance of the power socket.

[0027] like Figure 2 As shown, the warning mechanism 4 includes a controller 401 and a buzzer 402. One side of the controller 401 is electrically connected to the current sensor 3, and the buzzer 402 is electrically connected to the controller 401.

[0028] The warning mechanism 4 is designed to issue a timely warning in case of leakage, facilitating prompt action by personnel.

[0029] like Figure 2 As shown, both the controller 401 and the buzzer 402 are fixedly installed on the edge of the top surface of the socket panel 7, and the other side of the controller 401 is electrically connected to the circuit breaker 5.

[0030] Circuit breaker 5 is designed to cut off the power supply.

[0031] like Figure 4 As shown, a power cord plug 10 is fixedly installed at one end of the lower housing 1. The live wire of the power cord plug 10 is electrically connected to the circuit breaker 5 and connected in series with the current sensor 3 and the terminal 2.

[0032] The power cord plug 10 serves to connect to an external power source.

[0033] like Figure 3 As shown, the positioning mechanism 9 includes a spring 901 and a positioning post 902. The spring 901 is fixedly disposed inside the through hole, and the positioning post 902 is fixedly connected to one end of the spring 901. The positioning post 902 is slidably disposed inside the through hole.

[0034] The positioning mechanism 9 enables quick installation and removal of the socket panel 7 from the lower housing 1.

[0035] like Figure 4 As shown, positioning blocks 11 are fixedly provided around the surface of the lower housing 1. Positioning holes are provided on the surface of the positioning blocks 11, and the positioning holes are adapted to the positioning posts 902.

[0036] The positioning block 11 serves to fix the positioning mechanism 9.

[0037] like Figure 4 As shown, a protective pad 12 is fixedly installed on the bottom surface of the lower housing 1, and the protective pad 12 is made of rubber.

[0038] The protective pad 12 serves to protect the bottom of the lower housing 1.

[0039] The model of current sensor 3 is LEM LF1005-S / SP37. The above model and parameters can be selected according to the actual situation.

[0040] The working principle of this utility model is as follows: Press the positioning post 902 to insert the docking post 6 into the docking hole on the lower housing 1. At this time, the positioning piece 8 is simultaneously inserted into the positioning block 11. The spring 901 rebounds and the positioning post 902 is inserted into the positioning hole of the positioning block 11, thus achieving the effect of quickly connecting and installing the socket panel 7 with the lower housing 1. Disassembly is also convenient and quick, which facilitates the maintenance of the power socket by personnel.

[0041] Connect the live wire of the power cord plug 10 to the circuit breaker 5, pass it through the current sensor 3 and connect it to the terminal 2. The neutral wire passes through the current sensor 3 and connects it to the terminal 2. When in use, the current sensor 3 senses the current. When the current is abnormal, the controller 401 controls the circuit breaker 5 to cut off the power supply and the buzzer 402 sounds an alarm to remind personnel to deal with the leakage at the same time.

[0042] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0043] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0044] 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 power socket with leakage protection function, comprising a lower housing (1), characterized in that: Terminals (2) are fixedly installed inside the lower housing (1). A current sensor (3) is fixedly installed on one side of the lower housing (1). An alarm mechanism (4) is electrically connected to one side of the current sensor (3). A circuit breaker (5) is fixedly installed on the side of the lower housing (1) near the current sensor (3). The lower housing (1) has docking holes on all four sides of its top surface. A docking post (6) is inserted into the docking hole. A socket panel (7) is fixedly installed on the top of the docking post (6). Positioning pieces (8) are fixedly installed in a rectangular array around the surface of the socket panel (7). A through hole is opened on the surface of the positioning piece (8). A positioning mechanism (9) is fixedly installed inside the through hole.

2. A power socket with leakage protection function according to claim 1, characterized in that, The warning mechanism (4) includes a controller (401) and a buzzer (402). One side of the controller (401) is electrically connected to the current sensor (3), and the buzzer (402) is electrically connected to the controller (401).

3. A power socket with leakage protection function according to claim 2, characterized in that, The controller (401) and the buzzer (402) are both fixedly installed on the edge of the top surface of the socket panel (7), and the other side of the controller (401) is electrically connected to the circuit breaker (5).

4. A power socket with leakage protection function according to claim 1, characterized in that, A power cord plug (10) is fixedly provided at one end of the lower housing (1). The live wire of the power cord plug (10) is electrically connected to the circuit breaker (5) and connected in series with the current sensor (3) and the terminal (2).

5. A power socket with leakage protection function according to claim 1, characterized in that, The positioning mechanism (9) includes a spring (901) and a positioning post (902). The spring (901) is fixedly disposed inside the through hole, and the positioning post (902) is fixedly connected to one end of the spring (901). The positioning post (902) is slidably disposed inside the through hole.

6. A power socket with leakage protection function according to claim 5, characterized in that, Positioning blocks (11) are fixedly provided around the surface of the lower housing (1). Positioning holes are provided on the surface of the positioning blocks (11), and the positioning holes are adapted to the positioning posts (902).

7. A power socket with leakage protection function according to claim 1, characterized in that, A protective pad (12) is fixedly provided on the bottom surface of the lower housing (1), and the protective pad (12) is made of rubber.

Citation Information

Patent Citations

  • Multi-row socket with leakage protection function

    CN202817408U