Leakage protection socket with remote intelligent regulation and control and data transmission functions
By designing remote intelligent control leakage protection sockets, the existing socket self-test function requires manual operation and cannot be extended protection, and automatic self-test and protection functions are realized.
Patent Information
- Application Number
- CN202412000232.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-03-14
AI Technical Summary
Existing leakage protection sockets require manual operation when performing self-test functions, and cannot achieve extended protection functions for other external sockets.
A remote intelligent control leakage protection socket is designed, with an external socket that automatically performs a monthly self-test function and protects connected through extended functions. The socket includes intelligent control circuit, detection magnetic ring and vertical four-silver dot trip device, which can achieve remote control and data transmission through a microprocessor and wireless remote control receiver.
The automatic self-test function of leakage protection sockets is realized, which reduces the hassle of manual operation and enhances the safety guarantee for other external sockets through the extended protection function.
Smart Images

Figure CN119627567A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of electrical equipment, and in particular to a leakage protection socket with remote intelligent control and data transmission functions. Background Art
[0002] In addition to power supply, the leakage protection sockets currently on the market also have leakage protection functions. When the equipment and lines plugged into the leakage protection sockets have current leakage faults or personal electric shock accidents due to insulation failures, the leakage protection sockets can disconnect the power supply lines and cut off the power supply to prevent personal electric shock accidents and equipment and property losses.
[0003] According to the requirements of GB28527, the action mechanism of all leakage protection sockets must perform the leakage protection socket self-test function at least once a month to ensure that the leakage protection socket is always in normal working condition and avoid the failure of the leakage protection socket function. However, when the leakage protection sockets on the market currently perform the self-test function, most of them need to be operated manually, which is troublesome. Moreover, most of the leakage protection sockets on the market currently can only protect the devices and lines inserted into their own sockets, and cannot realize the extended protection function. Therefore, there is an urgent need for a leakage protection socket that can automatically perform the self-test function and have the extended protection function. Summary of the invention
[0004] To solve the above problems, the present invention provides a leakage protection socket with remote intelligent control and data transmission functions, which is used to automatically perform a self-check function once a month, and can also use the extended function of the leakage protection socket to protect other external sockets connected to the leakage protection socket.
[0005] To achieve the above object, the present invention provides a leakage protection socket with remote intelligent control and data transmission functions, which includes:
[0006] A remote intelligent control leakage protection socket, comprising: a panel, a shell, a PCB board and a partition; the partition is fixed to the upper end of the PCB board, and the PCB board is fixed in the space covered by the panel and the shell;
[0007] The PCB board is divided into two parts, the upper and lower parts, and the upper and lower parts are connected by a pin header and a pin header;
[0008] The intelligent control circuit is arranged on the PCB board;
[0009] Wherein, the PCB board comprises:
[0010] A vertical four-silver-point tripping device and four silver contacts welded on a PCB, wherein four round-headed silver points are welded on the vertical four-silver-point tripping device, and the four round-headed silver points correspond to the four silver contacts on the PCB, so as to realize the on-off of the circuit by controlling the contact and separation of the four round-headed silver points of the vertical four-silver-point tripping device and the four silver contacts on the PCB;
[0011] A detection magnetic ring is used to detect the current difference between the neutral line input terminal and the live line input terminal, that is, the value of the leakage current;
[0012] A live wire input terminal, a live wire input sheet, a live wire connecting sheet and a first conductive belt, wherein the live wire input terminal is connected to one end of the live wire input sheet, the other end of the live wire input sheet is electrically connected to one end of the live wire connecting sheet, and the live wire connecting sheet passes through the detection magnetic ring, and the other end of the live wire connecting sheet is electrically connected to two round silver points on one side of the vertical four-silver point tripping device through the first conductive belt;
[0013] A live wire output terminal and a live wire output sheet, wherein the live wire output terminal is connected to the live wire output sheet, and the live wire output sheet is also electrically connected to a silver contact on the side of the live wire connection sheet;
[0014] A neutral line input terminal, a neutral line connecting piece and a second conductive belt; the neutral line input terminal is connected to one end of the neutral line connecting piece, and the neutral line connecting piece passes through the detection magnetic ring, and the other end of the neutral line connecting piece is electrically connected to the two round silver points on the other side of the vertical four-silver point tripping device through the second conductive belt;
[0015] A neutral line output terminal and a neutral line output sheet, wherein the neutral line output terminal is connected to the neutral line output sheet, and the neutral line output sheet is also electrically connected to a silver contact on the side of the neutral line connection sheet;
[0016] Wherein, the partition comprises:
[0017] a neutral wire plug grip, the neutral wire plug grip being electrically connected to another silver contact on the same side as the neutral wire connecting piece;
[0018] a live wire plug grip, the live wire plug grip being electrically connected to another silver contact on the same side as the live wire connecting piece;
[0019] A grounding plug, the grounding plug is electrically connected to the ground wire on the PCB board;
[0020] The intelligent control circuit includes: a live wire input terminal, a neutral wire input terminal, a thyristor Q1, a thyristor Q2, a microprocessor MCU, a dual drive coil L1 and a wireless remote control receiver, wherein the microprocessor MCU is welded on the PCB board, and the microprocessor MCU can receive the remote control signal sent by the wireless remote control receiver to control the on and off of the vertical four-silver point tripping device to control the on and off of the circuit, so that the current passes through the live wire input terminal and the neutral wire input terminal to power the socket.
[0021] In one embodiment of the present invention, the left end of the dual drive coil L1 is connected to the feedback resistor RF1 and then to the live wire input end, the right end of the dual drive coil L1 is connected to the capacitor C14 and then to the anode of the thyristor Q2, the control electrode of the thyristor Q2 is connected to the resistor R13 and then to the P0.2INT2 pin of the microprocessor MCU; the connection line drawn between the capacitor C14 and the anode of the thyristor Q2 is connected to the neutral line input end; the right end of the dual drive coil L1 is also connected to the positively connected diode D3 and then to the anode of the thyristor Q1, the control electrode of the thyristor Q1 is connected to the resistor R28 and then to the P0.4INT4 pin of the microprocessor MCU; the cathode of the thyristor Q1 and the cathode of the thyristor Q2 are both grounded.
[0022] In one embodiment of the present invention, the microprocessor MCU is preset with an embedded program capable of determining the time for executing the automatic detection function according to the internal clock of the microprocessor MCU, and the embedded program is also preset with a TEST instruction and a RESET instruction;
[0023] Among them, when the microprocessor MCU receives the TEST instruction, the P0.4INT4 pin of the microprocessor MCU outputs a high level, and the current passes through the resistor R28 to reach the control electrode of the thyristor Q1, triggering the thyristor Q1 to turn on; the current flows from the live wire input end through the feedback resistor RF1, through the dual drive coil L1, the positive diode D3, the thyristor Q1 to the ground to form a low voltage, and the high voltage passes through the capacitor C14 from the zero line input end. At this time, the current flows from the right to the left through the first coil of the dual drive coil L1, and the first line The coil generates a pull-in force because of the current passing through it, driving the contacts of the vertical four-silver-point release device to disengage and cut off the power supply; after a preset time, the microprocessor MCU receives the RESET command, and then the P0.2INT2 pin of the microprocessor MCU outputs a high level, and the current reaches the control electrode of the thyristor Q2 through the resistor R13, giving a trigger signal to the thyristor Q2, and the forward conduction voltage flows between the anode and cathode of the thyristor Q2, and the thyristor Q2 is turned on; the current at the zero line input end forms a low voltage after passing through the turned-on thyristor Q2. At this time, the current at the live line input end flows from left to right through the second drive coil of the dual drive coil L1 after passing through the feedback resistor RF1. The second drive coil generates a repulsive force because of the current passing through it, driving the contacts of the vertical four-silver-point release device to close and connect the power supply.
[0024] In one embodiment of the present invention, the wireless remote control receiver is welded on a partition and is used to receive remote control signals from a remote control, a computer control program, a mobile phone, and a tablet. The RX pin of the wireless remote control receiver is connected to the XOUT / INT16 / P3.4 pin of the microprocessor MCU, and the TX pin of the wireless remote control receiver is connected to the XIN / INT17 / P3.5 pin of the microprocessor MCU to realize data transmission.
[0025] In one embodiment of the present invention, the remote intelligent control leakage protection socket further includes a power live wire access interface, a power neutral wire access interface, a power live wire output interface, a power neutral wire output interface and a grounding terminal hole;
[0026] The power live wire access interface, the power neutral wire access interface, and the power live wire output interface are connected to the power live wire, the power neutral wire, and the power ground wire respectively;
[0027] The power live wire output interface, the power neutral wire output interface and the grounding terminal hole are respectively connected in parallel with the neutral wire, live wire and ground wire of the external socket. When the external socket device has a leakage fault, the remote intelligent control leakage protection socket will be able to cut off the power supply to achieve extended functions.
[0028] In one embodiment of the present invention, the live wire input terminal and the neutral wire input terminal are connected to the mains; the neutral wire output terminal and the live wire output terminal can be connected to external electrical equipment, and the on and off of the external electrical equipment can be controlled through a leakage protection socket.
[0029] In one embodiment of the present invention, the neutral wire socket includes the neutral wire end of the two-hole socket and the neutral wire end of the three-hole socket, the live wire socket includes the live wire end of the two-hole socket and the live wire end of the three-hole socket, and the grounding socket includes the grounding wire end of the three-hole socket.
[0030] In one embodiment of the present invention, it also includes a two-hole safety door arranged on the two-hole jack and a three-hole safety door arranged on the three-hole jack.
[0031] In one embodiment of the present invention, a test key, a test compression spring and a test piece are also installed on the partition, the test compression spring is located below the test piece, and the test piece is electrically connected to the live wire plug when pressed down, and the test key is connected to the test piece.
[0032] In one embodiment of the present invention, the remote control signal is at least one of an infrared signal, a 433Mhz to 2.4Ghz signal, a WiFi signal, a Bluetooth signal, a zigbee signal, a lora signal, a NBiot narrowband Internet of Things signal, a 4G LTE broadband Internet of Things cat2 or cat3 or cat4 signal, and a 2.4G private protocol signal.
[0033] Compared with the prior art, the leakage protection socket of the present invention can not only manually operate the test key and the reset key, but also remotely control the on and off of the vertical four-silver-point tripping device to realize the on and off of the socket circuit, and can also automatically perform the self-test function. BRIEF DESCRIPTION OF THE DRAWINGS
[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0035] Figure 1 The figure is a schematic diagram of the structure of a leakage protection socket according to an embodiment of the present invention.
[0036] Figure 2 A schematic diagram of a leakage protection socket circuit according to an embodiment of the present invention Figure 1 .
[0037] Figure 3 A schematic diagram of a leakage protection socket circuit according to an embodiment of the present invention Figure 2 .
[0038] Figure 4 It is a schematic diagram of the extended function of the leakage protection socket according to an embodiment of the present invention.
[0039] Description of the drawings: 1-panel, 2-reset button, 3-test button, 4-housing, 5-live wire output terminal, 6-live wire input terminal, 7-grounding terminal, 8-neutral wire input terminal, 9-neutral wire output terminal, 10-two-hole safety door, 11-partition, 12-PCB, 13-neutral wire grip, 14-grounding grip, 15-neutral wire output piece, 16-live wire input piece, 17-live wire output piece, 18-three-hole safety door, 19-live wire grip, 20-test piece, 21-conductive belt, 22-neutral wire connecting piece, 23-detection magnetic ring, 24-live wire connecting piece, 25-test compression spring, 26-vertical four-silver point release device. DETAILED DESCRIPTION
[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0041] Figure 1 A schematic diagram of a socket structure according to an embodiment of the present invention; Figure 2 A schematic diagram of a leakage protection socket circuit according to an embodiment of the present invention Figure 1 , Figure 3 A schematic diagram of a leakage protection socket circuit according to an embodiment of the present invention Figure 2 , Figure 4 FIG. 1 is a schematic diagram of the extended function of the leakage protection socket according to an embodiment of the present invention. Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment provides a leakage protection socket with remote intelligent control and data transmission functions, which includes:
[0042] 1. Remote intelligent control leakage protection socket, such as Figure 1 As shown, it comprises: a panel 1, a housing 4, a PCB board 12 and a partition 11; the partition is fixed to the upper end of the PCB board, and the PCB board is fixed in the space covered by the panel and the housing;
[0043] The PCB board 12 is divided into two parts, the upper and lower parts, and the upper and lower parts are connected by a pin header and a pin header;
[0044] An intelligent control circuit is arranged on the PCB board;
[0045] A vertical four-silver-point tripping device 26 and four silver contacts welded on a PCB board, wherein four round-headed silver points are welded on the vertical four-silver-point tripping device, and the four round-headed silver points correspond to the four silver contacts on the PCB board, so as to realize the on-off of the circuit by controlling the contact and separation of the four round-headed silver points of the vertical four-silver-point tripping device 26 and the four silver contacts on the PCB board;
[0046] A detection magnetic ring 23, used to detect the current difference between the neutral line input terminal and the live line input terminal, that is, the value of the leakage current;
[0047] A live wire input terminal 6, a live wire input sheet 16, a live wire connecting sheet 24 and a first conductive strip 21, wherein the live wire input terminal 6 is connected to one end of the live wire input sheet 16, the other end of the live wire input sheet 16 is electrically connected to one end of the live wire connecting sheet 24, and the live wire connecting sheet 24 passes through the detection magnetic ring 23, and the other end of the live wire connecting sheet 24 is electrically connected to two round silver points on one side of the vertical four-silver point tripping device 26 through the first conductive strip 21;
[0048] A live wire output terminal 5 and a live wire output sheet 17, wherein the live wire output terminal 5 is connected to the live wire output sheet 17, and the live wire output sheet 17 is also electrically connected to a silver contact on the side of the live wire connection sheet 24;
[0049] A neutral line input terminal 8, a neutral line connecting piece 22 and a second conductive strip 21, wherein the neutral line input terminal 8 is connected to one end of the neutral line connecting piece 22, and the neutral line connecting piece 22 passes through the detection magnetic ring 23, and the other end of the neutral line connecting piece 22 is electrically connected to two round silver points on the other side of the vertical four-silver point tripping device 26 through the second conductive strip 21;
[0050] A neutral line output terminal 9 and a connection to the neutral line output sheet 15, wherein the neutral line output terminal 9 is connected to the neutral line output sheet 15, and the neutral line output sheet 15 is also electrically connected to a silver contact on the same side of the neutral line connection sheet 22;
[0051] In this embodiment, the live wire input terminal 6 and the neutral wire input terminal 8 are connected to the mains; the neutral wire output terminal 9 and the live wire output terminal 5 can be connected to external electrical equipment, and the on and off of the external electrical equipment can be controlled through the leakage protection socket;
[0052] Wherein, the partition 11 comprises:
[0053] a neutral line plug handle 13, wherein the neutral line plug handle 13 is electrically connected to another silver contact on the same side as the neutral line connecting piece 22;
[0054] A live wire plug handle 19, the live wire plug handle 19 is electrically connected to another silver contact on the same side as the live wire connecting piece 24;
[0055] A grounding plug 14, wherein the grounding plug 14 is electrically connected to the ground wire on the PCB;
[0056] In this embodiment, the neutral wire grip 13 includes a neutral wire end of a two-hole jack and a neutral wire end of a three-hole jack, the live wire grip 19 includes a live wire end of a two-hole jack and a live wire end of a three-hole jack, and the grounding grip 14 includes a grounding wire end of a three-hole jack;
[0057] In this embodiment, a two-hole safety door 10 is provided on the two-hole jack and a three-hole safety door 18 is provided on the three-hole jack.
[0058] When the vertical four-point trip device 26 moves upward in a controlled manner, the four round-headed points are driven away from the four flat-headed points to form a circuit breaker. At this time, the neutral wire grip 13 and the live wire grip 19 can cut off the power of the electrical equipment plugged into the socket, and the neutral wire output terminal 9 and the live wire output terminal 5 can cut off the power of the external electrical equipment.
[0059] When the vertical four-silver-point tripping device 26 is controlled to move downward, the four round-headed silver points are electrically connected to the four flat-headed silver points respectively. At this time, the neutral wire grip 13 is electrically connected to the neutral wire input terminal 8, the neutral wire output terminal 9 is electrically connected to the neutral wire input terminal 8, the live wire grip 19 is electrically connected to the live wire input terminal 6, and the live wire output terminal 5 is electrically connected to the live wire input terminal 6. At this time, the neutral wire grip 13 and the live wire grip 19 can power on the electrical equipment plugged into the socket, and the neutral wire output terminal 9 and the live wire output terminal 5 can power on the external electrical equipment;
[0060] In this embodiment, a test key 3, a test compression spring 25, and a test piece 20 are also installed on the partition. The test compression spring is located below the test piece, and the test piece is electrically connected to the live wire plug when pressed down, and the test key is connected to the test piece.
[0061] In this embodiment, the remote intelligent control leakage protection socket further includes a power live wire access interface (L(in)), a power neutral wire access interface (N(in)), a power live wire output interface (L(out)), a power neutral wire output interface (N(out)) and a grounding terminal hole;
[0062] The power live wire access interface (L(in)), the power neutral wire access interface (N(in)), and the grounding terminal hole are respectively connected to the power live wire (L), the power neutral wire (N) and the power ground wire;
[0063] The power live wire output interface (L(out)), the power neutral wire output interface (N(out)) and the grounding terminal hole are respectively connected in parallel with the neutral wire, live wire and ground wire of the external socket. When there is a leakage fault in the line where the external socket is located, the remote intelligent control leakage protection socket can cut off the power supply to realize the extended function.
[0064] The intelligent control circuit, such as Figure 2 , Figure 3 As shown, it includes: a live wire input terminal (L_IN), a neutral wire input terminal (N_IN), a thyristor Q1, a thyristor Q2, a microprocessor MCU (U1), a dual drive coil L1, and a wireless remote control receiver (U4), wherein the microprocessor MCU (U1) is welded on a PCB board, and the microprocessor MCU can receive a remote control signal sent by the wireless remote control receiver to control the on and off of the vertical four-point tripping device to control the on and off of the circuit, so that the current passes through the live wire input terminal and the neutral wire input terminal to supply power to the socket. ;
[0065] In this embodiment, the left end of the dual drive coil L1 is connected to the feedback resistor RF1 and then connected to the live wire input terminal, the right end of the dual drive coil L1 is connected to the capacitor C14 and then connected to the anode of the thyristor Q2, the control electrode of the thyristor Q2 is connected to the resistor R13 and then connected to the P0.2INT2 pin of the microprocessor MCU (U1); a lead-out line is drawn between the capacitor C14 and the anode of the thyristor Q2 and connected to the neutral wire input terminal; the right end of the dual drive coil L1 is also connected to the positively connected diode D3 and then connected to the anode of the thyristor Q1, the control electrode of the thyristor Q1 is connected to the resistor R28 and then connected to the P0.4INT4 pin of the microprocessor MCU (U1); the cathode of the thyristor Q1 and the cathode of the thyristor Q2 are both grounded;
[0066] The microprocessor MCU (U1) is preset with an embedded program that can determine the time to execute the automatic detection function according to the internal clock of the microprocessor MCU. The embedded program is also preset with a TEST instruction and a RESET instruction. The specific method is as follows:
[0067] First, the initial time for executing the automatic detection is set in the embedded program, for example, it is set to 10:00 a.m. on December 13, 2024 to execute the first automatic detection, and the cycle period is set to 30 days, for example. According to the delayed cycle function of the embedded program, at 10:00 a.m. 30 days later, the leakage protection socket will execute the automatic detection function again to realize the fixed-cycle automatic detection of the leakage protection socket;
[0068] When the microprocessor MCU receives the TEST instruction, the P0.4INT4 pin of the microprocessor MCU (U1) outputs a high level, and the current passes through the resistor R28 to reach the control electrode of the thyristor Q1, triggering the thyristor Q1 to turn on; the current flows from the live wire input end through the feedback resistor RF1, through the dual drive coil L1, the positive diode D3, the thyristor Q1 to the ground to form a low voltage, and the high voltage passes through the capacitor C14 from the neutral line input end. At this time, the current flows from the right to the left through the first coil of the dual drive coil L1. The first coil generates an attraction force because of the current passing through it, driving the contacts of the vertical four-silver point release device to disengage and cut off the power supply; after a preset time, the The microprocessor MCU (U1) receives the RESET instruction, and then the P0.2INT2 pin of the microprocessor MCU (U1) outputs a high level, and the current reaches the control electrode of the thyristor Q2 through the resistor R13, giving the thyristor Q2 a trigger signal, and a forward conduction voltage flows between the anode and the cathode of the thyristor Q2, and the thyristor Q2 is turned on; the current at the neutral line input end forms a low voltage after passing through the turned-on thyristor Q2. At this time, the current at the live line input end flows from left to right through the second drive coil of the double drive coil L1 after passing through the feedback resistor RF1. The second drive coil generates a repulsive force because of the current passing through it, driving the contacts of the vertical four-silver point release device to close and connect the power supply.
[0069] In this embodiment, the wireless remote control receiver (U4) is welded on the partition 11 and is used to receive remote control signals from a remote control, a computer control program, a mobile phone, and a tablet. The RX pin (pin 5) of the wireless remote control receiver (U4) is connected to the XOUT / INT16 / P3.4 pin (pin 3) of the microprocessor MCU (U1), and the TX pin (pin 7) of the wireless remote control receiver (U4) is connected to the XIN / INT17 / P3.5 pin (pin 3) of the microprocessor MCU (U1) to achieve data transmission;
[0070] In this embodiment, the remote control signal is at least one of an infrared signal, a 433Mhz to 2.4Ghz signal, a WiFi signal, a Bluetooth signal, a zigbee signal, a lora signal, a NBiot narrowband Internet of Things signal, a 4G LTE broadband Internet of Things cat2 or cat3 or cat4 signal, and a 2.4G private protocol signal.
[0071] When the wireless remote control receiver (U4) receives the remote reset signal, it transmits the signal to the microprocessor MCU (U1). At this time, the P0.2INT2 pin of the microprocessor MCU (U1) outputs a high level, the thyristor Q2 is turned on, and the current flows from left to right through the second drive coil of the double drive coil L1. The second drive coil generates a repulsive force because of the current passing through, driving the contacts of the vertical four-silver point release device to close and connect the power supply.
[0072] When the wireless remote control receiver (U4) receives the remote test signal, it transmits the signal to the microprocessor MCU (U1). At this time, the microprocessor MCU (U1) P0.4INT4 pin outputs a high level, the thyristor Q1 is turned on, and the current flows from right to left through the first coil of the dual drive coil L1. The first coil generates a suction force because of the current passing through it, driving the contacts of the vertical four-silver-point release device to disengage and cut off the power supply;
[0073] Those skilled in the art can understand that the accompanying drawings are only schematic diagrams of an embodiment, and the modules or processes in the accompanying drawings are not necessarily required to implement the present invention.
[0074] Those skilled in the art can understand that the modules in the device in the embodiment can be distributed in the device in the embodiment according to the description of the embodiment, or can be changed accordingly and located in one or more devices different from the embodiment. The modules in the above embodiment can be combined into one module, or can be further divided into multiple sub-modules.
[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A leakage protection socket with remote intelligent control and data transmission functions, characterized in that: include: A remote intelligent control leakage protection socket, comprising: a panel, a shell, a PCB board and a partition; the partition is fixed to the upper end of the PCB board, and the PCB board is fixed in the space covered by the panel and the shell; The PCB board is divided into two parts, the upper and lower parts, and the upper and lower parts are connected by a pin header and a pin header; An intelligent control circuit is arranged on the PCB board; Wherein, the PCB board comprises: A vertical four-silver-point tripping device and four silver contacts welded on a PCB board, wherein four round-headed silver points are welded on the vertical four-silver-point tripping device, and the four round-headed silver points correspond to the four silver contacts on the PCB board, so as to realize the on-off of the circuit by controlling the contact and separation of the four round-headed silver points of the vertical four-silver-point tripping device and the four silver contacts on the PCB board; A detection magnetic ring is used to detect the current difference between the neutral line input terminal and the live line input terminal, that is, the value of the leakage current; A live wire input terminal, a live wire input sheet, a live wire connecting sheet and a first conductive belt, wherein the live wire input terminal is connected to one end of the live wire input sheet, the other end of the live wire input sheet is electrically connected to one end of the live wire connecting sheet, and the live wire connecting sheet passes through the detection magnetic ring, and the other end of the live wire connecting sheet is electrically connected to two round silver points on one side of the vertical four-silver point tripping device through the first conductive belt; A live wire output terminal and a live wire output sheet, wherein the live wire output terminal is connected to the live wire output sheet, and the live wire output sheet is also electrically connected to a silver contact on the side of the live wire connection sheet; A neutral line input terminal, a neutral line connecting piece and a second conductive belt, wherein the neutral line input terminal is connected to one end of the neutral line connecting piece, and the neutral line connecting piece passes through the detection magnetic ring, and the other end of the neutral line connecting piece is electrically connected to two round silver points on the other side of the vertical four-silver point tripping device through the second conductive belt; A neutral line output terminal and a neutral line output sheet, wherein the neutral line output terminal is connected to the neutral line output sheet, and the neutral line output sheet is also electrically connected to a silver contact on the side of the neutral line connection sheet; Wherein, the partition comprises: a neutral wire plug grip, the neutral wire plug grip being electrically connected to another silver contact on the same side as the neutral wire connecting piece; a live wire plug grip, the live wire plug grip being electrically connected to another silver contact on the same side as the live wire connecting piece; A grounding plug, the grounding plug is electrically connected to the ground wire on the PCB board; The intelligent control circuit includes: a live wire input terminal, a neutral wire input terminal, a thyristor Q1, a thyristor Q2, a microprocessor MCU, a dual drive coil and a wireless remote control receiver, wherein the microprocessor MCU is welded on the PCB board, and the microprocessor MCU can receive a remote control signal sent by the wireless remote control receiver to control the on and off of the vertical four-silver point tripping device to control the on and off of the circuit, so that the current passes through the live wire input terminal and the neutral wire input terminal to power the socket.
2. The leakage protection socket according to claim 1, characterized in that: The left end of the dual drive coil is connected to the feedback resistor RF1 and then to the live wire input end, the right end of the dual drive coil is connected to the capacitor C14 and then to the anode of the thyristor Q2, the control electrode of the thyristor Q2 is connected to the resistor R13 and then to the P0.2INT2 pin of the microprocessor MCU; the connection line between the capacitor C14 and the anode of the thyristor Q2 is connected to the neutral line input end; the right end of the dual drive coil is also connected to the positively connected diode D3 and then to the anode of the thyristor Q1, the control electrode of the thyristor Q1 is connected to the resistor R28 and then to the P0.4INT4 pin of the microprocessor MCU; the cathode of the thyristor Q1 and the cathode of the thyristor Q2 are both grounded.
3. The leakage protection socket according to claim 1, characterized in that: The microprocessor MCU is preset with an embedded program which can determine the time for executing the automatic detection function according to the internal clock of the microprocessor MCU. The embedded program is also preset with a TEST instruction and a RESET instruction. Among them, when the microprocessor MCU receives the TEST instruction, the P0.4INT4 pin of the microprocessor MCU outputs a high level, and the current passes through the resistor R28 to reach the control electrode of the thyristor Q1, triggering the thyristor Q1 to turn on; the current flows from the live wire input end through the feedback resistor RF1, through the dual drive coil, the positive diode D3, the thyristor Q1 to the ground to form a low voltage, and the high voltage passes through the capacitor C14 from the zero line input end. At this time, the current flows from the right to the left through the first coil of the dual drive coil, and the first coil is The current passes through to generate the attraction force, driving the contacts of the vertical four-silver-point release device to disengage and cut off the power supply; after a preset time, the microprocessor MCU receives the RESET instruction, and then the P0.2INT2 pin of the microprocessor MCU outputs a high level, and the current reaches the control electrode of the thyristor Q2 through the resistor R13, giving the thyristor Q2 a trigger signal, and the forward conduction voltage flows between the anode and cathode of the thyristor Q2, and the thyristor Q2 is turned on; the current at the zero line input end forms a low voltage after passing through the turned-on thyristor Q2. At this time, the current at the live line input end flows from left to right through the second drive coil of the dual drive coil after passing through the feedback resistor RF1. The second drive coil generates a repulsive force because of the current passing through, driving the contacts of the vertical four-silver-point release device to close and connect the power supply.
4. The leakage protection socket according to claim 1, characterized in that: The wireless remote control receiver is welded on the partition and is used to receive remote control signals from a remote control, a computer control program, a mobile phone, and a tablet. The RX pin of the wireless remote control receiver is connected to the XOUT / INT16 / P3.4 pin of the microprocessor MCU, and the TX pin of the wireless remote control receiver is connected to the XIN / INT17 / P3.5 pin of the microprocessor MCU to realize data transmission.
5. The leakage protection socket according to claim 1, characterized in that: The remote intelligent control leakage protection socket also includes a power live wire access interface, a power neutral wire access interface, a power live wire output interface, a power neutral wire output interface and a grounding terminal hole; The power live wire access interface, the power neutral wire access interface, and the power live wire output interface are connected to the power live wire, the power neutral wire, and the power ground wire respectively; The power live wire output interface, the power neutral wire output interface and the grounding terminal hole are respectively connected in parallel with the neutral wire, live wire and ground wire of the external socket. When there is a leakage fault in the line where the external socket is located, the remote intelligent control leakage protection socket can cut off the power supply to realize the extended function.
6. The leakage protection socket according to claim 1, characterized in that: The live wire input terminal and the neutral wire input terminal are connected to the mains; the neutral wire output terminal and the live wire output terminal can be connected to external electrical equipment, and can control the on and off of the external electrical equipment through the leakage protection socket.
7. The leakage protection socket according to claim 1, characterized in that: The neutral wire plug grip includes the neutral wire end of the two-hole jack and the neutral wire end of the three-hole jack, the live wire plug grip includes the live wire end of the two-hole jack and the live wire end of the three-hole jack, and the grounding plug grip includes the grounding wire end of the three-hole jack.
8. The leakage protection socket according to claim 1, characterized in that: It also includes a two-hole safety door arranged on the two-hole jack and a three-hole safety door arranged on the three-hole jack.
9. The leakage protection socket according to claim 1, characterized in that: A test key, a test compression spring and a test piece are also installed on the partition. The test compression spring is located below the test piece, and the test piece is electrically connected to the live wire plug when pressed down. The test key is connected to the test piece.
10. The leakage protection socket according to claim 5, characterized in that: The remote control signal is at least one of an infrared signal, a 433Mhz to 2.4Ghz signal, a WiFi signal, a Bluetooth signal, a zigbee signal, a lora signal, an NBiot narrowband Internet of Things signal, a 4G LTE broadband Internet of Things cat2 or cat3 or cat4 signal, and a 2.4G private protocol signal.
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Leakage protection socket having remote intelligent regulation and control and data transmission functions
WO2026144040A1