Intelligent anti-creeping protector

By integrating components such as resistors, chips, and displays, intelligent leakage current protectors solve the problems of limited usage and lack of intelligent display, enabling rapid identification of leakage current and real-time monitoring of power data, thus improving safety and flexibility in use.

CN223729440UActive Publication Date: 2025-12-26ZHEJIANG DAYUE INTELLIGENT ELECTRICAL CO LTD
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Patent Information

Application Number
CN202520045265.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-26
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing leakage current protection devices are limited in their usage and lack intelligent power data display functions, making it difficult for users to monitor their working status in real time.

Method used

It adopts an intelligent leakage current protection device, which integrates components such as manganese copper resistor, type A leakage current chip, high-precision resistor, main control chip, electromagnetic relay and LED display screen to realize current and voltage signal acquisition and analysis, and provides audible and visual alarms with buzzer and indicator light, and provides real-time power data display.

Benefits of technology

It enables rapid identification and response to leakage current, ensuring safety, while providing real-time power data monitoring, improving the flexibility and safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an intelligent anti-creeping protector, which relates to the technical field of anti-creeping protectors and comprises a casing and an upper cover, and a circuit board is in threaded connection with the inside of the casing. According to the utility model, through the arrangement of the protection mechanism arranged on the surface of the circuit board, before the protector is electrified, the switch button is turned on, the converted direct current flows through the circuit board and the manganese-copper resistor to carry out current signal acquisition, the high-precision resistor carries out voltage signal acquisition, and the acquired signal carries out electric leakage data sampling in the A-type electric leakage chip; the data is transmitted to the main control chip for electric leakage data analysis and response, an AFD algorithm independently developed in the main control chip can accurately detect a fault arc occurring on a load circuit, especially a protection mechanism designed for an electric vehicle charger, so that abnormal conditions are identified to the maximum extent, and an electromagnetic relay is controlled to quickly cut off a main power supply; therefore, the leakage protection device is safe and reliable to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of leakage protection device, specifically is a kind of intelligent leakage protection device. BACKGROUND

[0002] Leakage protector, abbreviated as leakage switch, also called leakage circuit breaker, is mainly used for leakage fault of equipment and protection of fatal electric shock, with overload and short-circuit protection function, which can be used to protect the overload and short-circuit of line or motor, and can also be used as infrequent switching start of line under normal circumstances.Leakage protection switch refers to not only it can connect or disconnect main circuit like other circuit breaker, but also has the function of detecting and judging leakage current, when leakage or insulation damage occurs in main circuit, leakage protection switch can connect or disconnect main circuit according to the judgment result.

[0003] The utility model discloses a kind of leakage protection devices of leakage protection device, and it relates to the technical field of leakage protection device, including main body, the rear end of the main body is equipped with clamping groove, the front end of the main body is equipped with knob, the upper and lower ends of the main body are equipped with multiple installation grooves.The utility model is eccentrically connected by the installation groove of the upper and lower ends of main body eccentric wheel, when wiring is needed, eccentric wheel and rotating ring plate are placed horizontally, the wire of stripping end is inserted into the wire slot in the middle of eccentric wheel, the rotating ring is vertically rotated, and the clamping hook is clamped into the clamping block, the eccentric wheel is bent in front end of the stripping end of wire by rotating, and eccentric extrusion, the stripping end of wire is extruded on the bottom of wiring board, avoid appearing virtual connection, complete stable extrusion wiring, simultaneously, the extrusion of external wire body is avoided by the fixed ring plate and rotating ring plate of merging, the device is wired quickly and conveniently, and the device is wired quickly and conveniently.

[0004] But the device is not suitable for flexible use, cannot be used as plug and play, and the use mode is limited, and it does not have the function of intelligent display of power data when power is used, which is not convenient for users to master the working state of the protector in real time. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of intelligent leakage protection device to solve the problem that the use mode of existing is limited and it does not have the function of intelligent display of power data when power is used.

[0006] The utility model provides a technical scheme that an intelligent anti-creeping protector is provided, which comprises a shell and an upper cover arranged above the shell, and further comprises: a circuit board arranged in the shell, a protection mechanism welded to one side of the circuit board, the protection mechanism comprising a manganese copper resistance, an A-type creeping chip, a high-precision resistance, a master control chip, an electromagnetic relay and an Led display screen; a warning mechanism arranged on one side of the circuit board, the warning mechanism comprising a buzzer and an indicator light; and an anti-collision mechanism arranged on the inner wall of the shell, the anti-collision mechanism comprising an inner frame, a rubber ring and springs.

[0007] As a preferred technical scheme of the utility model, the manganese copper resistance is welded to one side of the circuit board, one side of the manganese copper resistance is electrically connected to the A-type creeping chip through a power line, one side of the A-type creeping chip is electrically connected to the high-precision resistance through the power line, one side of the A-type creeping chip is electrically connected to the master control chip through the power line, one side of the master control chip is electrically connected to the electromagnetic relay through the power line, and one side of the master control chip is electrically connected to the Led display screen through the power line.

[0008] As a preferred technical scheme of the utility model, the buzzer is arranged on one side of the circuit board, and one side of the buzzer is electrically connected to the indicator light through a power line.

[0009] As a preferred technical scheme of the utility model, the inner frame is arranged on the inner wall of the shell, one side of the inner frame is fixedly connected to the rubber ring, and a plurality of springs are arranged in the rubber ring.

[0010] As a preferred technical scheme of the utility model, the bottom of the shell is fixedly connected to a triangular plug, one side of the triangular plug is electrically connected to a switch button through a power line, the switch button is arranged in the middle of the upper cover, one side of the switch button is electrically connected to a power converter through the power line, the power converter is welded to one side of the circuit board, one side of the power converter is electrically connected to a voltage stabilizer through the power line, and the voltage stabilizer is electrically connected to one side of the master control chip through the power line.

[0011] As a preferred technical scheme of the utility model, one side of the buzzer and the indicator light is electrically connected to the master control chip through a power line, and the indicator light is internally provided with a three-color Led chip.

[0012] As a preferred technical scheme of the utility model, one side of the upper cover is provided with a display opening, and the Led display screen is arranged below the display opening.

[0013] As a preferred technical scheme of the utility model, one side of the upper cover is provided with a national standard five-hole socket, and one side of the national standard five-hole socket is electrically connected to the electromagnetic relay through a power line.

[0014] Compared with the prior art, the intelligent anti-creeping protector has the following advantages

[0015] Beneficial effects:

[0016] 1. The intelligent anti-creeping protector, by setting the protection mechanism on the surface of the circuit board, before the protector is powered on, the switch button is opened first, the converted direct current passes through the circuit board, the manganese copper resistance carries out current signal collection, the high-precision resistance carries out voltage signal collection, the collected signals are sampled in the A-type leakage chip, the data is transmitted to the main control chip for leakage data analysis and response, the AFD algorithm independently developed in the main control chip can accurately detect the fault arc occurring on the load circuit, and the protection mechanism specially designed for the electric vehicle charger can maximize the identification of abnormal conditions and control the electromagnetic relay to quickly cut off the main power supply, complete the leakage protection work, and is safe and reliable to use.

[0017] 2. The intelligent anti-creeping protector, by setting the warning mechanism and the Led display screen above the circuit board, when the protector detects a leakage condition when the protector is powered on, the 90db buzzer receives an instruction and immediately emits a high-decibel alarm sound, and the indicator light emits a strong flash to remind people to pay attention to the abnormal condition and take corresponding measures. This sound and light alarm function can effectively prevent leakage accidents and ensure the safety of personnel and equipment. The high-brightness Led display screen can display power data such as current, voltage, and cumulative power in real time, which is convenient for users to master the working state of the protector in real time, thereby improving safety while also being able to monitor and quickly respond to leakage conditions in real time. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a protection mechanism structure schematic view of the utility model;

[0020] Figure 3 It is a warning mechanism structure schematic view of the utility model;

[0021] Figure 4 It is a protection mechanism structure schematic view of the utility model;

[0022] In the figure: 1, shell; 2, upper cover; 3, circuit board; 4, protection mechanism; 401, manganese copper resistance; 402, A type leakage chip; 403, high precision resistance; 404, main control chip; 405, electromagnetic relay; 406, Led display screen; 5, warning mechanism; 501, buzzer; 502, indicator light; 6, anti-collision mechanism; 601, inner frame; 602, rubber ring; 603, spring; 7, triangular plug; 8, switch button; 9, power converter; 10, voltage stabilizer; 11, display port; 12, national standard five-hole socket. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model discloses a kind of intelligent anti-leakage protector, including shell 1 and the upper cover 2 being set above shell 1, it is characterized by further comprising: circuit board 3 being set in the inside of shell 1, the upper side of circuit board 3 is welded with protection mechanism 4, protection mechanism 4 includes manganese copper resistance 401, A type leakage chip 402, high precision resistance 403, main control chip 404, electromagnetic relay 405 and Led display screen 406;Warning mechanism 5 is set in the upper side of circuit board 3, warning mechanism 5 includes buzzer 501 and indicator light 502;Anti-collision mechanism 6 is set in the inner wall of shell 1, and anti-collision mechanism 6 includes inner frame 601, rubber ring 602 and spring 603.

[0025] Specifically, manganese copper resistance 401 is welded on the upper side of circuit board 3, one side of manganese copper resistance 401 is electrically connected with A type leakage chip 402 through power line, one side of A type leakage chip 402 is electrically connected with high precision resistance 403 through power line, one side of A type leakage chip 402 is electrically connected with main control chip 404 through power line, one side of main control chip 404 is electrically connected with electromagnetic relay 405 through power line, one side of main control chip 404 is electrically connected with Led display screen 406 through power line.

[0026] In the embodiment, when the protector is powered on, manganese copper resistance 401 collects current signals, high precision resistance 403 collects voltage signals, and the collected signals are sampled in A type leakage chip 402 for leakage data transmission to main control chip 404 for leakage data analysis and response. The AFD algorithm independently developed in main control chip 402 can accurately detect the fault arc occurring on the load circuit.

[0027] Specifically, the buzzer 501 is arranged on the upper side of the circuit board 3, and one side of the buzzer 501 is electrically connected with the indicator light 502 through a power line.

[0028] In this embodiment, the A-type leakage chip 402 detects whether the protector is leaking electricity. When the leakage is detected, the 90db buzzer 501 receives an instruction to immediately emit a high-decibel alarm sound, and the indicator light 502 emits a strong flash to remind people to pay attention to the abnormal situation and take corresponding measures.

[0029] Specifically, the inner frame 601 is arranged on the inner side wall of the shell 1, one side of the inner frame 601 is fixedly connected with the rubber ring 602, and the inside of the rubber ring 602 is provided with a plurality of springs 603.

[0030] In this embodiment, the inner frame 601 is used to isolate the shell 1 and the circuit board 3. When the protector is impacted by external force, the springs 603 in the rubber ring 602 are used to resist and disperse the force, thereby playing a protective role.

[0031] Specifically, the shell 1 is fixedly connected with the triangular plug 7 at the bottom, one side of the triangular plug 7 is electrically connected with the switch button 8 through a power line, the switch button 8 is arranged in the middle of the upper cover 2, one side of the switch button 8 is electrically connected with the power converter 9 through a power line, the power converter 9 is welded to one side of the circuit board 3, one side of the power converter 9 is electrically connected with the voltage stabilizer 10 through a power line, and the voltage stabilizer 10 is electrically connected to one side of the main control chip 404 through a power line.

[0032] In this embodiment, the triangular plug 7 is used to plug in the external power supply to take electricity, the switch button 8 is used to control the on-off of the circuit, the power converter 9 is used to convert alternating current into direct current, and the electronic elements on the circuit board 3 are protected.

[0033] Specifically, one side of the buzzer 501 and the indicator light 502 is electrically connected to the main control chip 404 through a power line, and the inside of the indicator light 502 is provided with a three-color LED chip.

[0034] In this embodiment, the indicator light 502 is used to display the working state of the protector, green for normal, red for alarm, and blue for full power-off.

[0035] Specifically, one side of the upper cover 2 is provided with a display port 11, and the LED display screen 406 is arranged below the display port 11.

[0036] Specifically, one side of the upper cover 2 is provided with a national standard five-hole socket 12, and one side of the national standard five-hole socket 12 is electrically connected to the electromagnetic relay 405 through a power line.

[0037] The working principle and use process of the utility model are: before the protector is powered on, the switch button 8 is opened first, the converted direct current passes through the circuit board 3, the manganese copper resistance 401 carries out current signal collection, the high-precision resistance 403 carries out voltage signal collection, the collected signal carries out electric leakage data sampling in the A type electric leakage chip 402, data transmission carries out electric leakage data analysis and response to the main control chip 404, the AFD algorithm independently developed in the main control chip 404 can accurately detect the fault arc occurred on the load circuit, maximum limit identifies abnormal condition and controls the electromagnetic relay 405 to cut off the main power supply quickly.

[0038] When the protector is powered on, when the protector detects the electric leakage condition, the 90db buzzer 501 receives the instruction and immediately issues the high-decibel alarm sound, the indicating lamp 502 issues the intense flashing, to remind people to pay attention to the abnormal condition and take the corresponding measures, and the high-brightness Led display screen 406 can display the electric power data such as current, voltage, cumulative electric energy in real time, which is convenient for the user to master the protector working state in real time, and can also monitor and quickly respond to the electric leakage condition in real time.

[0039] In summary, the intelligent electric leakage protection device can display the electric power data such as current, voltage, cumulative electric energy in real time, which is convenient for the user to master the protector working state in real time, and can maximum limit identify abnormal condition and control the electromagnetic relay 405 to cut off the main power supply quickly, complete the electric leakage protection work, and is safe and reliable in use.

[0040] It should be noted that in this text, such as the term "including", "containing" or any other variant thereof is intended to cover non-exclusive containing, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes the elements inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the existence of another same element in the process, method, article or equipment including the element.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An intelligent anti-creeping protector, comprising a shell (1) and an upper cover (2) arranged above the shell (1), characterized in that, Also include: The circuit board (3) is arranged inside the shell (1), the upper side of the circuit board (3) is welded with the protection mechanism (4), the protection mechanism (4) includes manganese copper resistance (401), A type leakage chip (402), high precision resistance (403), main control chip (404), electromagnetic relay (405) and Led display screen (406); The warning mechanism (5) is arranged on the upper side of the circuit board (3), the warning mechanism (5) includes a buzzer (501) and an indicator light (502); The anti-collision mechanism (6) is arranged on the inner wall of the shell (1), the anti-collision mechanism (6) includes an inner frame (601), a rubber ring (602) and a spring (603).

2. The intelligent leakage protection device according to claim 1, characterized in that: The manganese copper resistance (401) is welded on the upper side of the circuit board (3), one side of the manganese copper resistance (401) is electrically connected with the A type leakage chip (402) through the power line, one side of the A type leakage chip (402) is electrically connected with the high precision resistance (403) through the power line, one side of the A type leakage chip (402) is electrically connected with the main control chip (404) through the power line, one side of the main control chip (404) is electrically connected with the electromagnetic relay (405) through the power line, one side of the main control chip (404) is electrically connected with the Led display screen (406) through the power line.

3. The intelligent leakage protection device according to claim 1, wherein: The buzzer (501) is arranged on the upper side of the circuit board (3), one side of the buzzer (501) is electrically connected with the indicator light (502) through the power line.

4. The intelligent leakage protection device according to claim 1, characterized in that: The inner frame (601) is arranged on the inner wall of the shell (1), one side of the inner frame (601) is fixedly connected with the rubber ring (602), a plurality of springs (603) are arranged in the rubber ring (602).

5. The intelligent leakage protection device according to claim 1, wherein: The bottom of the shell (1) is fixedly connected with a triangular plug (7), one side of the triangular plug (7) is electrically connected with a switch button (8) through a power line, the switch button (8) is arranged in the middle of the upper cover (2), one side of the switch button (8) is electrically connected with a power converter (9) through a power line, the power converter (9) is welded on one side of the circuit board (3), one side of the power converter (9) is electrically connected with a voltage stabilizer (10) through a power line, the voltage stabilizer (10) is electrically connected on one side of the main control chip (404) through a power line.

6. The intelligent leakage protection device according to claim 1, wherein: One side of the buzzer (501) and the indicator light (502) is electrically connected to the main control chip (404) through the power line, and the indicator light (502) is provided with a three-color led chip in the inside.

7. The intelligent leakage protection device according to claim 1, wherein: One side of the upper cover (2) is provided with a display port (11), and the Led display screen (406) is arranged below the display port (11).

8. The intelligent leakage protection device according to claim 1, wherein: One side of the upper cover (2) is provided with a national standard five-hole socket (12), one side of the national standard five-hole socket (12) is electrically connected to the electromagnetic relay (405) through a power line.

Citation Information

Patent Citations

  • Anti-creeping protector

    CN221407208U