CN111293527A - Safety socket and socket system - Google Patents

Abstract

The invention discloses a safety socket and a socket system, wherein the safety socket comprises a shell, jacks arranged on the shell, a power supply module, an electricity utilization detection module, an MCU (microprogrammed control unit), a switch module and a wireless communication module, wherein the power supply module, the electricity utilization detection module, the MCU, the switch module and the wireless communication module are arranged in the shell; the input end of the power supply module is connected with a mains supply alternating current power supply, the output end of the power supply module is respectively connected with the power end of the electricity utilization detection module, the power end of the MCU, the power end of the wireless communication module and the input end of the switch module, the detection end of the electricity utilization detection module is connected with the output end of the switch module, the feedback end of the electricity utilization detection module is connected with the input end of the MCU, the control end of the MCU is connected with the controlled end of the switch module, and the electricity utilization detection module is used for detecting a voltage signal, a current signal, an overload signal, a first leakage signal and a temperature signal at the output end; the MCU controls the action of the switch module in the circuit and uploads the electrical parameter information to the terminal equipment. The technical scheme of the invention improves the reliability of the safety socket.

Description

Safety sockets and socket systems

technical field

The invention relates to the technical field of socket protection, in particular to a safety socket and a socket system.

Background technique

The main causes of electrical fires are: leakage, short circuit, overload, poor contact and other faults. Among them, electrical fires caused by leakage, short circuit and overload caused by external electrical equipment when the socket is working are more common. In the operation of the socket, there are mainly problems such as relatively single protection device, inability to power off quickly, failure to locate the fault point, and inability to prevent it in advance. It is easy to cause damage to external electrical equipment and sockets, and even endanger the personal safety of users.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to propose a safety socket and a socket system, aiming at improving the reliability of the safety socket.

In order to achieve the above purpose, the present invention proposes a safety socket, the safety socket includes a casing, a jack provided on the casing, a power supply module, a power consumption detection module, an MCU, a switch and a power supply module arranged in the casing. modules and wireless communication modules;

The input end of the power supply module is connected to the commercial AC power supply, and the output end of the power supply module is respectively connected with the power supply end of the power consumption detection module, the power supply end of the MCU, the power supply end of the wireless communication module and the The input terminal of the switch module is connected, the detection terminal of the power consumption detection module is connected to the output terminal of the switch module, the feedback terminal of the power consumption detection module is connected to the input terminal of the MCU, and the control terminal of the MCU is connected is connected with the controlled end of the switch module, and the output end of the MCU is connected with the input end of the wireless communication module;

The power consumption detection module is used for real-time detection of the voltage signal, current signal, overload signal, first leakage signal and temperature signal at the output end of the switch module;

The MCU is used to receive the voltage signal, current signal, overload signal, first leakage signal and temperature signal detected by the power consumption detection module, control the action of the switch module in the line, and communicate with the wireless communication module through the wireless communication module. Upload the detected electrical parameter information to the terminal device.

Optionally, the power consumption detection module includes a digital signal processing chip, a voltage detection module, a current detection module, a power metering module, a leakage detection module and a temperature detection module, the voltage detection module, the current detection module, the The leakage detection module and the temperature detection module are respectively connected with the digital signal processing chip;

The voltage detection module is used for real-time detection of the voltage signal at the output end of the switch module;

The current detection module is used for real-time detection of the current signal at the output end of the switch module;

The power metering module is used to calculate the power value of the output end of the switch module and detect the overload signal in real time;

The leakage detection module is used for real-time detection of the first leakage signal at the output end of the switch module;

The temperature detection module is used for real-time detection of the temperature signal at the output end of the switch module;

The digital signal processing chip is used to receive the detected voltage signal, current signal, overload signal, leakage signal and temperature signal, perform signal conversion processing, and convert the converted voltage signal, current signal, overload signal, first leakage signal and A temperature signal is output to the MCU.

Optionally, the safety socket further includes a timing self-checking module for leakage current, and the timing self-checking module for leakage current is connected to the power consumption detecting module;

The leakage timing self-checking module is used for performing leakage self-checking within a preset time period, and feeding back the detected second leakage signal to the MCU.

Optionally, the preset time period of the leakage timing self-checking module is 1 day to 30 days.

Optionally, the switch module includes a drive module and a MOS tube switch circuit, the input end of the drive module is connected to the control end of the MCU, and the output end of the drive module is controlled by the MOS tube switch circuit. The input end of the MOS tube switch circuit is the input end of the switch module, and the output end of the MOS tube switch circuit is the output end of the switch module;

The driving module is used for outputting a driving signal to the MOS transistor switch circuit under the control of the MCU, so as to drive the action of the MOS transistor switch circuit in the line.

Optionally, the wireless communication module is a Bluetooth module, a WIFI module or a cellular network module.

Optionally, the cellular network module is a 2G, 3G, 4G or 5G network module.

Optionally, the power supply module is an AC-DC circuit, the input terminal of the AC-DC circuit is the input terminal of the power supply module, and the output terminal of the AC-DC circuit is the output terminal of the power supply module;

The AC-DC circuit is used to convert the AC power supply of the commercial power into a DC power supply voltage.

Optionally, the housing also includes a key switch with a socket status indicator light.

The present invention also provides a socket system, the socket system includes the above-mentioned safety socket; the safety socket includes a housing, a jack provided on the housing, and a power module provided in the housing, Power consumption detection module, MCU, switch module and wireless communication module;

The input end of the power supply module is connected to the commercial AC power supply, and the output end of the power supply module is respectively connected with the power supply end of the power consumption detection module, the power supply end of the MCU, the power supply end of the wireless communication module and the The input terminal of the switch module is connected, the detection terminal of the power consumption detection module is connected to the output terminal of the switch module, the feedback terminal of the power consumption detection module is connected to the input terminal of the MCU, and the control terminal of the MCU is connected is connected with the controlled end of the switch module, and the output end of the MCU is connected with the input end of the wireless communication module;

The power consumption detection module is used for real-time detection of the voltage signal, current signal, overload signal, first leakage signal and temperature signal at the output end of the switch module;

The MCU is used to receive the voltage signal, current signal, overload signal, first leakage signal and temperature signal detected by the power consumption detection module, control the action of the switch module in the line, and communicate with the wireless communication module through the wireless communication module. Upload the detected electrical parameter information to the terminal device.

The housing of the safety socket in the technical solution of the present invention is provided with a power supply module, a power consumption detection module, an MCU, a switch module and a wireless communication module. Power supply for electrical detection module, MCU, switch module and wireless communication module. The power consumption detection module detects the load line connected to the safety socket in real time, so as to feed back the detected voltage signal, current signal, overload signal, first leakage signal and temperature signal to the MCU, and the MCU then controls the action of the switch module in the first line, namely When there are faults such as leakage, short circuit, overload, over temperature, and poor contact in the line connected to the load, the control switch module quickly disconnects the load from the power grid, preventing users from electric shock and electrical fire, and improving the reliability of the safety socket. sex.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

FIG. 1 is a schematic view of the casing structure of an embodiment of the safety socket of the present invention;

FIG. 2 is a schematic diagram of the circuit structure of another embodiment of the safety socket of the present invention.

Description of reference numbers:

label name label name 100 case 130 MCU 200 jack 140 switch module 300 button 150 wireless communication module 110 power module 160 Leakage timing self-test module 120 Power consumption detection module 142 MOS tube switch circuit 141 drive module

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present invention, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for the purpose of description, and should not be construed as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, if the meaning of "and/or" appears in the whole text, it includes three parallel schemes, taking "A and/or B" as an example, including scheme A, or scheme B, or the scheme that A and B satisfy at the same time . In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

The present invention provides a safety socket, which is applied to socket systems connecting computers, refrigerators, air conditioners, etc. The current safety sockets mainly have the following shortcomings:

(1) The protection device is relatively simple. At present, when a short circuit or leakage accident occurs in the socket system, the devices that can cut off the power supply line include a mechanical air switch and some traditional arc extinguishing short circuit protection devices, which are generally used in the distribution of buildings. inside the electrical box. The leakage protection device only has a certain protective effect on personal electric shock, and does not provide effective protection against electrical fires caused by electrical faults such as short circuit and overload.

(2) Self-inspection cannot be carried out. The existing switch with leakage protection device is required to perform manual inspection once a month according to the national standard to ensure the integrity of the leakage protection device. Manual inspection is less convenient and less reliable. .

(3) The power cannot be cut off quickly. When a short-circuit fault occurs on the power side, the cut-off time of the air switch is far from enough, which can easily lead to a fire in the electrical circuit, resulting in damage to the power distribution switch, and even an electrical fire in severe cases.

(4) The fault point cannot be located. When a general electrical fault occurs, the air switch on the side of the distribution box will be disconnected, but the faulty socket cannot be located in time on the power side.

(5) The type of fault cannot be identified. In daily life, when an electrical fault occurs, the type of fault cannot be determined in time, and professional personnel are required for maintenance.

In order to solve the above problems, in an embodiment of the present invention, as shown in FIG. 1 and FIG. 2 , the safety socket includes a housing 100 , a socket 200 provided on the housing 100 and a socket 200 provided on the housing The power supply module 110, the power consumption detection module 120, the MCU 130, the switch module 140 and the wireless communication module 150 in 100;

The input end of the power supply module 110 is connected to the commercial AC power supply, and the output end of the power supply module 110 is respectively connected to the power supply end of the power consumption detection module 120 , the power supply end of the MCU 130 , and the power supply of the wireless communication module 150 . The terminal is connected to the input terminal of the switch module 140, the detection terminal of the power consumption detection module 120 is connected to the output terminal of the switch module 140, the feedback terminal of the power consumption detection module 120 is connected to the input terminal of the MCU130 connection, the control end of the MCU130 is connected with the controlled end of the switch module 140, and the output end of the MCU130 is connected with the input end of the wireless communication module 150;

The power consumption detection module 120 is used for real-time detection of the voltage signal, current signal, overload signal, first leakage signal and temperature signal at the output end of the switch module 140;

The MCU 130 is used to receive the voltage signal, current signal, overload signal, first leakage signal and temperature signal detected by the power consumption detection module 120, control the action of the switch module 140 in the line, and pass the wireless signal. The communication module 150 uploads the detected electrical parameter information to the terminal device.

In this embodiment, the power consumption detection module 120 includes a digital signal processing chip, a voltage detection module, a current detection module, a power measurement module, a leakage detection module and a temperature detection module. The voltage detection module, the current detection module, The leakage detection module and the temperature detection module are respectively connected with the digital signal processing chip;

The voltage detection module is used for real-time detection of the voltage signal at the output end of the switch module 140;

The current detection module is used for real-time detection of the current signal at the output end of the switch module 140;

The power metering module is used to calculate the power value of the output end of the switch module 140 and detect the overload signal in real time;

The leakage detection module is used to detect the first leakage signal at the output end of the switch module 140 in real time;

The temperature detection module is used for real-time detection of the temperature signal at the output end of the switch module 140;

The digital signal processing chip is used to receive the detected voltage signal, current signal, overload signal, leakage signal and temperature signal, perform signal conversion processing, and convert the converted voltage signal, current signal, overload signal, first leakage signal and The temperature signal is output to the MCU 130 .

In the above embodiment, the power consumption detection module 120 integrates high-precision detection modules such as a voltage detection module, a current detection module, a power metering module, a leakage detection module and a temperature detection module, and combines the digital signal processing in the power consumption detection module 120. The chip converts the voltage signal, current signal, overload signal, first leakage signal and temperature signal detected by each module to transmit the converted signal to the MCU 130. After the MCU 130 receives the feedback signal, it controls the switch module 140 in the connection line. Action, that is, when there are faults such as leakage, short circuit, overload, over temperature, poor contact, etc. in the line connected to the load, the control switch module 140 quickly disconnects the connection between the load and the power grid to prevent the user from electric shock and electrical fire. Reliability of safety sockets.

It can be understood that the first leakage signal in this embodiment is the leakage signal of the load line connected to the safety socket.

In this embodiment, the digital signal processing chip is a DSP chip, also called a digital signal processor, which is a microprocessor that is particularly suitable for digital signal processing operations; For detection, or use a voltage detection chip to detect the voltage of the load line connected to the safety socket; the current detection module can be a current transformer, which is set on the line connected to the load to detect the load current; the leakage detection module It can be a residual current transformer, which is connected in the line between the safety socket and the load to detect the leakage current of the load; the temperature detection module can be a temperature sensor set on the line between the safety socket and the load to detect the setting Line temperature between safety receptacle and load.

Further, the MCU 130 is used to receive the voltage signal, current signal, overload signal, first leakage signal and temperature signal fed back by the power consumption detection module 120, perform arithmetic analysis and processing, and transmit various electrical parameter information to the wireless communication module in time, And judge whether there is a potential safety hazard in the load behind the safety socket, timely feedback the electrical safety hazard to the switch module 140 to cut off, and issue an alarm message; when the safety socket detects that there is no electrical safety hazard, the MCU130 will pass the electrical parameter information through The wireless communication module is uploaded to the server and displayed on the terminal device through the server, so that the user can clearly understand the state of the load line connected to the safety socket, which improves the reliability of the safety socket.

In the above embodiment, the switch module 140 is a switch module 140 connected between the input grid terminal and the output load terminal, and is used to control the on-off of the grid between the input grid terminal and the output load terminal. When there are faults such as leakage, short circuit, overload, over temperature, and poor contact in the line, the circuit can receive the control signal from the MCU130 to quickly disconnect the load from the power grid for protection. When the external equipment leaks or the temperature reaches the preset value, it can also quickly cut off the connection between the load and the power grid to prevent users from electric shock and electrical fire.

It can be understood that the power supply module in this scheme supplies power to the control circuit of the safety socket through rectification and transformation, and the power supply module and the AC power supply of the mains are connected to each other to ensure that the safety socket is in the safety socket when the electrical equipment or line at the load end fails. The switch module 140 of the device operates to protect the load and line connected to the safety socket and improve the reliability of the safety socket.

In the above embodiment, the jack 200 on the safety socket may be a 2-hole socket and/or a 3-hole socket, so as to realize the use of the safety socket in multiple scenarios.

The housing 100 of the safety socket in the technical solution of the present invention is provided with a power module 110, a power consumption detection module 120, an MCU 130, a switch module 140 and a wireless communication module 150. The conversion of the module 110 is to supply power to the power consumption detection module 120 , the MCU 130 , the switch module 140 and the wireless communication module 150 . The power consumption detection module 120 detects the load line connected to the safety socket in real time, so as to feed back the detected voltage signal, current signal, overload signal, first leakage signal and temperature signal to the MCU 130, and the MCU 130 then controls the action of the switch module 140 in the line , that is, when there are faults such as leakage, short circuit, overload, over temperature, poor contact, etc. in the line connected to the load, the control switch module 140 quickly disconnects the connection between the load and the power grid, preventing users from electric shock and electrical fire, and improving safety. Reliability of sockets.

In an embodiment, as shown in FIG. 2 , the safety socket further includes a timing self-checking module 160 for leakage current, and the timing self-checking module 160 for electrical leakage is connected with the power consumption detecting module 120;

The leakage timing self-checking module 160 is configured to perform leakage self-checking within a preset time period, and feed back the detected second leakage signal to the MCU 130 .

In this embodiment, the preset time period of the leakage timing self-checking module 160 is 1 day to 30 days. It can be understood that the second leakage signal in this embodiment refers to the leakage signal of the safety socket, and the leakage self-check can be performed on the safety socket in a preset time period, and the preset time period can be 1 day or 5 days. , 15 days, 30 days, etc., set according to the actual situation, there is no limit here.

In one embodiment, the switch module 140 includes a drive module 141 and a MOS transistor switch circuit 142. The input end of the drive module 141 is connected to the control end of the MCU 130, and the output end of the drive module 141 is connected to the The controlled end of the MOS tube switch circuit 142 is connected, the input end of the MOS tube switch circuit 142 is the input end of the switch module 140, and the output end of the MOS tube switch circuit 142 is the output end of the switch module 140;

The driving module 141 is configured to output a driving signal to the MOS switch circuit 142 under the control of the MCU 130 to drive the action of the MOS switch circuit 142 in the circuit.

It can be understood that when the MCU 130 receives the voltage signal, the current signal, the overload signal, the first leakage signal and the temperature signal, the driving module 141 in the switching module 140 is driven to control the MOS transistor switch circuit 142 in the safety socket. In order to realize the connection and disconnection of the load and the power grid, and improve the reliability of the safety socket.

In this embodiment, the above solution can prevent personnel from getting electric shock and prevent the occurrence of electrical fire. When a fault such as a short circuit or leakage occurs in the load, the power supply circuit can be quickly cut off through the MOS switch circuit 142 to prevent personnel from getting electric shock and prevent the occurrence of electrical fire. Electrical wiring is also protected.

In one embodiment, the wireless communication module 150 is a Bluetooth module, a WIFI module or a cellular network module. Further, the cellular network module is a 2G, 3G, 4G or 5G network module. It can be understood that when the safety socket detects that there is no electrical safety hazard, the MCU130 uploads the electrical parameter information to the server through the wireless communication module, and displays it on the terminal device through the server, so that the user can clearly understand the load connected to the safety socket. Line status, improving the reliability of the safety socket.

In this embodiment, the wireless communication module 150 can realize the electrical fault prediction in advance, the electrical fault location and the remote control. Specifically, when the equipment is working normally, the wireless communication module 150 uploads and analyzes the electrical parameter information in real time. Early warning of load failures; uploading the location of the external power load fault point detected by the safety socket in time through the wireless communication module, which is convenient for maintenance personnel to repair the power load fault point; and the user can remotely control the switch module in the safety socket. Cut and close, improving the reliability of the safety socket.

In one embodiment, the power supply module 110 is an AC-DC circuit, the input terminal of the AC-DC circuit is the input terminal of the power supply module 110 , and the output terminal of the AC-DC circuit is the output terminal of the power supply module 110 . output;

The AC-DC circuit is used to convert the AC power supply of the mains into a DC power supply voltage, and the converted DC power supply voltage supplies power to the power consumption detection module 120, the MCU130, the switch module 140 and the wireless communication module 150, so that the safety socket can work normally .

In one embodiment, as shown in FIG. 1 , the housing 100 further includes a key switch 300 with a socket status indicator light. It should be noted that the key switch 300 with the socket status indicator is connected to the MCU 130 in the safety socket. When the MCU 130 receives the detected voltage signal, current signal, first leakage signal, second leakage signal and temperature signal, it can pass The indicator light on the key switch 300 with the socket status indicator light indicates. It can be understood that the key switch 300 can also manually connect the load and the power grid to improve the reliability of the safety socket.

Based on the above embodiments, in view of the current hidden dangers such as fire and electric shock and the resulting personal safety, the standard distribution box cannot effectively ensure the elimination of hidden dangers such as fire due to the distance and fault response speed. When there are hidden dangers such as fire, the type of fault is detected and the location of the fault is located, so as to control the switch module to quickly disconnect the load from the power grid, which improves the reliability of the safety socket against hidden dangers such as fire and electric shock.

The present invention also provides a socket system, which includes the above-mentioned safety socket; the safety socket includes a housing 100 , a socket 200 provided on the housing 100 , and a socket 200 provided on the housing 100 . The power supply module 110, the power consumption detection module 120, the MCU 130, the switch module 140 and the wireless communication module 150 inside; the input end of the power supply module 110 is connected to the mains AC power supply, and the output end of the power module The power supply terminal of the electricity detection module 120, the power supply terminal of the MCU 130, the power supply terminal of the wireless communication module 150 and the input terminal of the switch module 140 are connected, and the detection terminal of the electricity consumption detection module 120 is connected to the switch module 140 is connected to the output end, the feedback end of the power consumption detection module 120 is connected to the input end of the MCU130, the control end of the MCU130 is connected to the controlled end of the switch module 140, and the output end of the MCU130 is connected to the control end of the switch module 140. The input end of the wireless communication module 150 is connected; the power consumption detection module 120 is used to detect the voltage signal, current signal, overload signal, first leakage signal and temperature signal of the output end of the switch module 140 in real time; the MCU130 , used to receive the voltage signal, current signal, overload signal, first leakage signal and temperature signal detected by the power consumption detection module 120, control the action of the switch module 140 in the line, and communicate with the wireless communication module 150 through the wireless communication module 150. Upload the detected electrical parameter information to the terminal device. The specific structure of the safety socket refers to the above-mentioned embodiments. Since the socket system adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here. .

The above descriptions are only optional embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the conception of the present invention, any equivalent structural transformations made by using the contents of the description and the accompanying drawings of the present invention, or direct/indirect Applications in other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

1. A safety socket, characterized in that the safety socket comprises a housing, a jack provided on the housing, a power supply module, a power consumption detection module, an MCU, a switch module and a power supply module arranged in the housing. wireless communication module; The input end of the power supply module is connected to the commercial AC power supply, and the output end of the power supply module is respectively connected with the power supply end of the power consumption detection module, the power supply end of the MCU, the power supply end of the wireless communication module and the The input terminal of the switch module is connected, the detection terminal of the power consumption detection module is connected to the output terminal of the switch module, the feedback terminal of the power consumption detection module is connected to the input terminal of the MCU, and the control terminal of the MCU is connected is connected with the controlled end of the switch module, and the output end of the MCU is connected with the input end of the wireless communication module; The power consumption detection module is used for real-time detection of the voltage signal, current signal, overload signal, first leakage signal and temperature signal at the output end of the switch module; The MCU is used to receive the voltage signal, current signal, overload signal, first leakage signal and temperature signal detected by the power consumption detection module, control the action of the switch module in the line, and communicate with the wireless communication module through the wireless communication module. Upload the detected electrical parameter information to the terminal device. 2. The safety socket of claim 1, wherein the power consumption detection module comprises a digital signal processing chip, a voltage detection module, a current detection module, a power metering module, a leakage detection module and a temperature detection module, and the The voltage detection module, the current detection module, the leakage detection module and the temperature detection module are respectively connected with the digital signal processing chip; The voltage detection module is used for real-time detection of the voltage signal at the output end of the switch module; The current detection module is used for real-time detection of the current signal at the output end of the switch module; The power metering module is used to calculate the power value of the output end of the switch module and detect the overload signal in real time; The leakage detection module is used for real-time detection of the first leakage signal at the output end of the switch module; The temperature detection module is used for real-time detection of the temperature signal at the output end of the switch module; The digital signal processing chip is used to receive the detected voltage signal, current signal, overload signal, leakage signal and temperature signal, perform signal conversion processing, and convert the converted voltage signal, current signal, overload signal, first leakage signal and A temperature signal is output to the MCU. 3. The safety socket according to claim 1, characterized in that, the safety socket further comprises a timing self-checking module for leakage current, and the timing self-checking module for leakage current is interconnected with the power consumption detection module; The leakage timing self-checking module is used for performing leakage self-checking within a preset time period, and feeding back the detected second leakage signal to the MCU. 4 . The safety socket of claim 3 , wherein the preset time period of the leakage timing self-checking module is 1 day to 30 days. 5 . 5 . The safety socket of claim 1 , wherein the switch module comprises a drive module and a MOS tube switch circuit, the input end of the drive module is connected to the control end of the MCU, and the drive module has a control end. 6 . The output end is connected to the controlled end of the MOS tube switch circuit, the input end of the MOS tube switch circuit is the input end of the switch module, and the output end of the MOS tube switch circuit is the output end of the switch module; The driving module is used for outputting a driving signal to the MOS transistor switch circuit under the control of the MCU, so as to drive the action of the MOS transistor switch circuit in the line. 6. The safety socket of claim 1, wherein the wireless communication module is a Bluetooth module, a WIFI module or a cellular network module. 7. The safety socket of claim 6, wherein the cellular network module is a 2G, 3G, 4G or 5G network module. 8 . The safety socket of claim 1 , wherein the power supply module is an AC-DC circuit, the input end of the AC-DC circuit is the input end of the power supply module, and the output end of the AC-DC circuit is the input end of the power supply module. The terminal is the output terminal of the power module; The AC-DC circuit is used to convert the AC power supply of the commercial power into a DC power supply voltage. 9 . The safety socket of claim 1 , wherein the housing further comprises a key switch with a socket status indicator light. 10 . 10. A socket system, characterized in that the socket system comprises the safety socket according to any one of claims 1-9.

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