Electric leakage protection safety switch for charging and swapping equipment

By introducing components such as heating plates and fans into the leakage protection safety switches of charging and swapping equipment, the problem of performance degradation in harsh environments has been solved, enabling stable operation and accurate leakage protection of the equipment under high temperature and high humidity conditions, thereby improving operational efficiency and reliability.

CN224036873UActive Publication Date: 2026-03-24SHAOXING YOUJUN ZHIDIAN TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing leakage current protection safety switches for charging and swapping equipment exhibit performance degradation, unstable sensitivity, and limited ability to detect complex currents in harsh environments such as high temperature and humidity.

Method used

Featuring a protective enclosure design, it includes components such as a heating plate, fan, solar panel, battery, motor, voltage sensor, and leakage current protector. The heating plate generates heat, which is then evenly distributed by the fan to prevent moisture from affecting the equipment's performance. It also provides a quick-disassembly and assembly mechanism, and combined with a data reader and display, it achieves accurate leakage current protection.

Benefits of technology

It improves the reliability and sensitivity of leakage current protection safety switches in harsh environments, ensures stable equipment performance, smooth and efficient operation, and provides intuitive working status display and complex data analysis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electric leakage protection safety switch for charging and swapping equipment, which relates to the technical field of safety switches and comprises a protection box, batteries are mounted at the left end and the right end of the inner wall of the protection box, a second electric wire is mounted on the inner side of each battery, a first electric wire is mounted on the outer side of the bottom of each battery, and a motor is mounted at the tail end of each first electric wire. A fan is fixedly connected to the output end of the motor, a plurality of fixing clamps are fixedly connected to the front end of the fan at equal intervals, heating plates are mounted on the fixing clamps, a mounting plate is mounted in the middle of the inner wall of the protection box, a leakage protector is mounted on the left side of the front end of the mounting plate, and a voltage sensor is mounted on the right side of the leakage protector. According to the utility model, the heating plate is started to generate heat, and then the fan is activated, so that the heat generated by the heating plate can be blown to the periphery of the equipment, the uniform coverage of the heat is ensured, and the influence of moisture on the performance of the equipment can be prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to safety switch technical field especially relates to a charging and battery replacing equipment electric leakage protection safety switch. BACKGROUND

[0002] Charging and battery replacing equipment is the facility such as charging pile and battery replacing station for providing electric energy supply and battery replacing service for electric vehicles such as electric cars and electric bicycles, and they automatically adjust the output voltage and current according to the state of the battery such as the electric quantity, voltage and temperature to realize safe and efficient charging process.

[0003] Charging and battery replacing equipment electric leakage protection safety switch is an important device to guarantee the safety of charging and battery replacing process, and the charging and battery replacing equipment electric leakage protection safety switch detects the current vector sum of fire line and zero line in the circuit through zero sequence current transformer, under normal circumstances, the current flowing into and flowing out of the circuit is equal, and the vector sum is zero, when electric leakage occurs, part of the current will flow to the ground through the electric leakage path, resulting in the current vector sum of fire line and zero line not being zero, and generating residual current.

[0004] The device in the prior art is based on electromagnetic induction principle, mainly composed of zero sequence current transformer, electric leakage release and circuit breaker, the zero sequence current transformer converts the detected residual current into weak electric signal, the signal is amplified and processed through electronic circuit, triggers the release mechanism, makes the switch cut off the circuit quickly, thereby protecting personnel and equipment from the harm of electric leakage current, but there are problems of unstable sensitivity and limited detection ability for complex current, the digital signal processing technology is used to analyze and process the detected current signal, remove interference signal, improve the reliability of sensitivity, but under high temperature, humid and severe environmental conditions, the performance of electric leakage protection safety switch will decrease. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the defects of the prior art, the utility model provides a charging and battery replacing equipment electric leakage protection safety switch, which solves the problems in the above background technology.

[0007] (II) technical scheme

[0008] The utility model discloses a kind of leakage protection safety switches of charging and battery swapping equipment, including protective box, it is characterized by: the top wall middle part of the protective box is fixedly connected with support frame, the top end of the support frame is installed with solar panel, the both sides of the solar panel are installed with electric wire three, the inner wall left and right ends of the protective box are installed with battery, the inside of the battery is installed with electric wire two, the bottom outside of the battery is installed with electric wire one, the end of the electric wire one is installed with motor, the output of the motor is fixedly connected with fan, the front end equidistant fixed connection of the fan is installed with multiple fixed clamps, heating plate is installed on the fixed clamp, mounting plate is installed in the inner wall middle part of the protective box, leakage protector is installed on the front end left side of the mounting plate, voltage sensor is installed on the right side of the leakage protector, push rod is installed on the outer wall of the leakage protector, reset button is arranged on the right side of the push rod, grounding wire is installed on the bottom of the leakage protector, mounting mechanism is fixedly connected at the rear side four corners of the mounting plate, and mounting mechanism is used to quickly disassemble and assemble equipment.

[0009] Preferably: the mounting mechanism includes mounting block two, the mounting block two is fixedly connected at the rear side four corners of mounting plate, the inner wall front side middle upper portion of the mounting block two is fixedly connected with limit block, the inside of the limit block is slidably connected with rack, the rear side of the rack is installed with gear, the top end of the gear is fixed with connecting rod, the top end of the connecting rod is fixedly connected with knob, the outer wall middle lower portion of the connecting rod is installed with clamping block, the inner wall of the mounting block two is provided with fixed column, a plurality of recesses are equidistantly formed on the outside of the fixed column, the end of the fixed column is fixedly connected with fixed block, and the front side of the fixed block is fixedly connected with mounting block one.

[0010] Preferably: the outer wall front side left and right ends of the protective box are installed with two hinges, and the rear side of multiple hinges is fixedly connected with door plate.

[0011] Preferably: the outer wall front side left and right ends of the door plate are fixedly connected with handle, and the outside of two handles is rotatably connected with anti-skid sleeve.

[0012] Preferably: the bottom of the protective box is equidistantly fixedly connected with fixed sheet, and the rear side of the fixed sheet is threadedly connected with bolt.

[0013] Preferably: the bottom right side of the leakage protector is installed with connecting line, and the end of the connecting line is installed with data reader.

[0014] Preferably: the outside of the data reader is installed with guard plate, and the front side of the guard plate is fixedly connected with display.

[0015] Preferably: the rear side of the display is installed with data line.

[0016] (III) Beneficial Effects

[0017] The utility model provides a kind of leakage protection safety switch of charging and replacing equipment.It has the following beneficial effects:

[0018] 1、The utility model, start heating plate to produce warmth, subsequently activate fan, so the heat generated by heating plate can be blown to the periphery of equipment, ensure that heat evenly covers, so that moisture can be prevented from affecting equipment performance.

[0019] 2、The utility model, equipment is placed to specific position, operator only needs to rotate knob, make rack enter recess, and be engaged with it, form stable connection, need not experience tedious operation step, make overall operation smooth and efficient BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the perspective view of the utility model;

[0021] Figure 2 It is the front view of the utility model;

[0022] Figure 3 It is the internal structure schematic view of the utility model;

[0023] Figure 4 It is the local structure schematic view of the utility model;

[0024] Figure 5 It is the installation mechanism split view of the utility model.

[0025] In the drawing: 1, protective box;2, installation mechanism;201, installation block one;202, fixed block;203, fixed column;204, recess;205, knob;206, connecting rod;207, rack;208, limit block;209, installation block two;210, clamping block;211, gear;3, support frame;4, solar panel;5, door plate;6, hinge;7, antiskid sleeve;8, fixed sheet;9, bolt;10, ground wire;11, battery;12, electric wire one;13, motor;14, fan;15, fixed clamp;16, heating plate;17, mounting plate;18, leakage protector;19, push rod;20, reset button;21, connecting line;22, voltage sensor;23, display;24, data line;25, data reader;26, guard plate;27, handle;28, electric wire two;29, electric wire three. DETAILED DESCRIPTION

[0026] The utility model embodiment provides a kind of leakage protection safety switch of charging and replacing equipment, such as Figure 1 、 Figure 3 And Figure 4, including the protection box 1, the protection box 1 plays a role in protecting the internal components, usually made of insulating material, with good mechanical strength and insulation performance, to prevent the internal components from being affected by the external environment, and also to avoid the risk of electric shock, the top wall of the protection box 1 is fixedly connected with the support frame 3, the top end of the support frame 3 is provided with a solar panel 4, and the two sides of the solar panel 4 are provided with electric wires three 29, the inner walls of the protection box 1 are provided with batteries 11 at the left and right ends, the inner sides of the batteries 11 are provided with electric wires two 28, the bottom outer sides of the batteries 11 are provided with electric wires one 12, the tail ends of the electric wires one 12 are provided with motors 13, the output ends of the motors 13 are fixedly connected with fans 14, the front ends of the fans 14 are equidistantly fixedly connected with a plurality of fixed clamps 15, the fixed clamps 15 are provided with heating plates 16, the heating plates 16 are started to generate warmth, and then the fans 14 are activated, so that the heat generated by the heating plates 16 can be blown to the leakage protector 18 and the voltage sensor 22, ensuring that the heat is evenly covered, so as to prevent moisture from affecting the performance of the equipment, the inner wall of the protection box 1 is provided with a mounting plate 17 in the middle, the leakage protector 18 is installed on the front left side of the mounting plate 17, the right side of the leakage protector 18 is provided with a voltage sensor 22, the outer wall of the leakage protector 18 is provided with a push rod 19, the push rod 19 facilitates the operation and maintenance of the switch by the staff, the right side of the push rod 19 is provided with a reset button 20, when the leakage protector 18 automatically trips to cut off the circuit due to detection of a leakage fault, after the cause of the fault is eliminated, the reset button 20 is pressed to make the switch re-close, restore the normal power supply of the circuit, and make the charging and replacing equipment continue to work, the bottom of the leakage protector 18 is provided with a grounding wire 10, the mounting plate 17 is fixedly connected with mounting mechanisms 2 at the four corners of the back side, the mounting mechanisms 2 are used for quickly disassembling and assembling the equipment, the outer wall of the door plate 5 is fixedly connected with two hinges 6 at the left and right ends of the front side, the outer wall of the door plate 5 is fixedly connected with two handles 27 at the left and right ends of the front side, and the outer sides of the two handles 27 are rotatably connected with anti-skid sleeves 7.

[0027] As Figure 1 , Figure 4 and Figure 5The mounting mechanism 2 comprises mounting blocks two 209, which are fixedly connected at the four corners of the rear side of the mounting plate 17, the inner wall of the mounting block two 209 is fixedly connected with a limiting block 208 at the middle upper front side, the inner side of the limiting block 208 is slidably connected with a rack 207, the rear side of the rack 207 is provided with a gear 211, the top end of the gear 211 is fixedly connected with a connecting rod 206, the top end of the connecting rod 206 is fixedly connected with a knob 205, the outer wall of the connecting rod 206 is provided with a clamping block 210 at the middle lower part, the inner wall of the mounting block two 209 is provided with a fixed column 203, a plurality of grooves 204 are equidistantly formed in the outer side of the fixed column 203, the end of the fixed column 203 is fixedly connected with a fixed block 202, the front side of the fixed block 202 is fixedly connected with a mounting block one 201, the equipment is placed in a specific position, the operator only needs to rotate the knob 205, so that the rack 207 enters the groove 204 and is clamped, thereby forming a stable connection, without going through complicated operation steps, so that the overall operation is smooth and efficient, the bottom of the protection box 1 is equidistantly fixedly connected with a fixed sheet 8, the rear side of the fixed sheet 8 is threadedly connected with a bolt 9, the bottom right side of the leakage protector 18 is provided with a connecting line 21, the end of the connecting line 21 is provided with a data reader 25, the data reader 25 performs more complex analysis and judgment on various detection data, and realizes more accurate leakage protection function.

[0028] Specifically, the mounting mechanism 2 comprises mounting blocks two 209, which are fixedly connected at the four corners of the rear side of the mounting plate 17, the inner wall of the mounting block two 209 is fixedly connected with a limiting block 208 at the middle upper front side, the inner side of the limiting block 208 is slidably connected with a rack 207, the rear side of the rack 207 is provided with a gear 211, the top end of the gear 211 is fixedly connected with a connecting rod 206, the top end of the connecting rod 206 is fixedly connected with a knob 205, the outer wall of the connecting rod 206 is provided with a clamping block 210 at the middle lower part, the inner wall of the mounting block two 209 is provided with a fixed column 203, a plurality of grooves 204 are equidistantly formed in the outer side of the fixed column 203, the end of the fixed column 203 is fixedly connected with a fixed block 202, the front side of the fixed block 202 is fixedly connected with a mounting block one 201, the equipment is placed in a specific position, the operator only needs to rotate the knob 205, so that the rack 207 enters the groove 204 and is clamped, thereby forming a stable connection, without going through complicated operation steps, so that the overall operation is smooth and efficient.

[0029] As Figure 2 , Figure 3 and Figure 4 , the outer side of the data reader 25 is provided with a guard plate 26, the front side of the guard plate 26 is fixedly connected with a display 23, the display 23 is used for displaying the working state of the switch, so that the user can intuitively understand the running condition of the leakage protector 18, and the rear side of the display 23 is provided with a data line 24.

[0030] Specific, the data reader 25 is installed with the baffle plate 26, the front side of the baffle plate 26 is fixedly connected with the display 23, the display 23 is used to display the working state of the switch, which is convenient for the user to intuitively understand the running condition of the leakage protector 18, the front end left side of the mounting plate 17 is installed with the leakage protector 18, the right side of the leakage protector 18 is installed with the voltage sensor 22, the outer wall of the leakage protector 18 is installed with the push rod 19, the push rod 19 is convenient for the operator to operate and maintain the switch, the right side of the push rod 19 is provided with the reset button 20, when the leakage protector 18 automatically trips to cut off the circuit due to the detection of the leakage fault, after the cause of the fault is eliminated, the switch can be re-closed by pressing the reset button 20, the normal power supply of the circuit is restored, and the charging and replacing equipment can continue to work.

[0031] Working principle: a kind of charging and replacing equipment leakage protection safety switch, including protective box 1, protective box 1 plays the role of protecting internal components, usually made of insulating material, with good mechanical strength and insulation performance, to prevent internal components from being affected by the external environment, also can avoid the risk of electric shock, the top wall of the protective box 1 is fixedly connected with the support frame 3, the top end of the support frame 3 is installed with the solar panel 4, the two sides of the solar panel 4 are installed with the electric wire three 29, the inner wall of the protective box 1 is installed with the battery 11 at left and right ends, the inner side of the battery 11 is installed with the electric wire two 28, the bottom outer side of the battery 11 is installed with the electric wire one 12, the end of the electric wire one 12 is installed with the motor 13, the output end of the motor 13 is fixedly connected with the fan 14, a plurality of fixed clamps 15 are fixedly connected with the front end of the fan 14, the fixed clamps 15 are installed with the heating plate 16, the heating plate 16 is started to generate warmth, and then the fan 14 is activated, so that the heat generated by the heating plate 16 can be blown to the leakage protector 18 and the voltage sensor 22, to ensure that the heat is evenly covered, so as to prevent moisture from affecting the performance of the equipment, the inner wall of the protective box 1 is installed with the mounting plate 17 in the middle, the front end left side of the mounting plate 17 is installed with the leakage protector 18, the right side of the leakage protector 18 is installed with the voltage sensor 22, the outer wall of the leakage protector 18 is installed with the push rod 19, the push rod 19 is convenient for the operator to operate and maintain the switch, the right side of the push rod 19 is provided with the reset button 20, when the leakage protector 18 automatically trips to cut off the circuit due to the detection of the leakage fault, after the cause of the fault is eliminated, the switch can be re-closed by pressing the reset button 20, the normal power supply of the circuit is restored, and the charging and replacing equipment can continue to work;

[0032] The mounting mechanism 2 comprises mounting blocks two 209, which are fixedly connected at the four corners of the rear side of the mounting plate 17, the inner wall of the mounting blocks two 209 is fixedly connected with a limiting block 208 at the middle upper part of the front side, the inner side of the limiting block 208 is slidably connected with a rack 207, the rear side of the rack 207 is provided with a gear 211, the top end of the gear 211 is fixedly connected with a connecting rod 206, the top end of the connecting rod 206 is fixedly connected with a knob 205, the outer wall of the connecting rod 206 is provided with a clamping block 210 at the middle lower part, the inner wall of the mounting blocks two 209 is provided with a fixing column 203, a plurality of grooves 204 are equidistantly formed in the outer side of the fixing column 203, the end of the fixing column 203 is fixedly connected with a fixing block 202, the front side of the fixing block 202 is fixedly connected with a mounting block one 201, the equipment is placed to a specific position, the operator only needs to rotate the knob 205, so that the rack 207 is in the groove 204 and is clamped, thereby forming a stable connection, without going through complicated operation steps, so that the overall operation is smooth and efficient.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A leakage current protection safety switch for charging and swapping equipment, comprising a protective box (1), characterized in that: A support frame (3) is fixedly connected to the middle of the top wall of the protective box (1). A solar panel (4) is installed at the top of the support frame (3). Wires three (29) are installed on both sides of the solar panel (4). Batteries (11) are installed on both the left and right ends of the inner wall of the protective box (1). Wires two (28) are installed on the inner side of the battery (11). Wires one (12) are installed on the outer side of the bottom of the battery (11). A motor (13) is installed at the end of wire one (12). A fan (14) is fixedly connected to the output end of the motor (13). Multiple fixing clips (15) are fixedly connected at equal intervals to the front end of the fan (14). A heating plate (16) is installed on the fixing clamp (15). An installation plate (17) is installed in the middle of the inner wall of the protective box (1). A leakage current protector (18) is installed on the left side of the front end of the installation plate (17). A voltage sensor (22) is installed on the right side of the leakage current protector (18). A push rod (19) is installed on the outer wall of the leakage current protector (18). A reset button (20) is provided on the right side of the push rod (19). A grounding wire (10) is installed at the bottom of the leakage current protector (18). An installation mechanism (2) is fixedly connected to the four corners of the rear side of the installation plate (17). The installation mechanism (2) is used to quickly disassemble and assemble the equipment.

2. The leakage protection safety switch for charging and swapping equipment according to claim 1, characterized in that: The installation mechanism (2) includes two installation blocks (209), each of which is fixedly connected to the four rear corners of the installation plate (17). A limiting block (208) is fixedly connected to the upper middle part of the front side of the inner wall of each installation block (209). A rack (207) is slidably connected to the inner side of the limiting block (208). A gear (211) is installed on the rear side of the rack (207), and a connecting rod (206) is fixed to the top of the gear (211). A knob (205) is fixedly connected to the top of the connecting rod (206). A locking block (210) is installed in the lower middle part of the outer wall of the connecting rod (206). A fixing post (203) is provided on the inner wall of the second mounting block (209). Multiple grooves (204) are equally spaced on the outer side of the fixing post (203). A fixing block (202) is fixedly connected to the end of the fixing post (203). An mounting block (201) is fixedly connected to the front side of the fixing block (202).

3. The leakage protection safety switch for charging and swapping equipment according to claim 1, characterized in that: Two hinges (6) are installed on the left and right ends of the front side of the outer wall of the protective box (1), and door panels (5) are fixedly connected to the rear side of the multiple hinges (6).

4. A leakage current protection safety switch for charging and swapping equipment according to claim 3, characterized in that: The door panel (5) has handles (27) fixedly connected to the left and right ends of the front side of the outer wall, and anti-slip sleeves (7) are rotatably connected to the outer sides of the two handles (27).

5. A leakage current protection safety switch for charging and swapping equipment according to claim 1, characterized in that: The bottom of the protective box (1) is fixedly connected with fixing plates (8) at equal intervals, and the rear side of the fixing plates (8) is threaded with bolts (9).

6. A leakage protection safety switch for charging and swapping equipment according to claim 1, characterized in that: A connecting wire (21) is installed on the bottom right side of the leakage current protector (18), and a data reader (25) is installed at the end of the connecting wire (21).

7. A leakage protection safety switch for charging and swapping equipment according to claim 6, characterized in that: The data reader (25) is fitted with a protective plate (26) on its outer side, and a display (23) is fixedly connected to the front side of the protective plate (26).

8. A leakage current protection safety switch for charging and swapping equipment according to claim 7, characterized in that: A data cable (24) is installed on the rear side of the display (23).