CN111293527A

CN111293527A - Safety socket and socket system

Info

Publication number: CN111293527A
Application number: CN202010235220.8A
Authority: CN
Inventors: 余瑞濓; 张洪军; 陈湘
Original assignee: Shenzhen Volks Safety Technology Co ltd
Current assignee: Collaborative security technology (Shenzhen) Co., Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-06-16

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 socket and socket system

Technical Field

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

Background

The main reasons for the occurrence of an electrical fire are: electric leakage, short circuit, overload, poor contact and other faults. When the socket works, electrical fires caused by electric leakage, short circuit and overload of external electric equipment are common. The socket mainly has protection device more singleness in the work, can not cut off the power supply fast, fault point can not fix a position, can not prevent scheduling problem in advance, and in the correlation technique, when external consumer took place faults such as electric leakage, short circuit in the use, the socket can not judge the trouble kind to in time fix a position the position that the trouble took place, lead to the damage of external consumer and socket easily, harm user's personal safety even.

Disclosure of Invention

The invention mainly aims to provide a safety socket and a socket system, and aims to improve the reliability of the safety socket.

In order to achieve the purpose, the invention provides a safety socket which comprises a shell, jacks arranged on the shell, and a power module, an electricity utilization detection module, an MCU, a switch module and a wireless communication module which are arranged in the shell;

the input end of the power module is connected with a mains supply alternating current power supply, the output end of the power 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 output end of the MCU is connected with the input end of the wireless communication module;

the power consumption 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 of the switch module in real time;

and the MCU is used for receiving the voltage signal, the current signal, the overload signal, the first electric leakage signal and the temperature signal detected by the electricity detection module, controlling the action of the switch module in a circuit and uploading the detected electrical parameter information to the terminal equipment through the wireless communication module.

Optionally, the electricity consumption detection module includes a digital signal processing chip, a voltage detection module, a current detection module, a power metering module, an electric leakage detection module and a temperature detection module, and the voltage detection module, the current detection module, the electric leakage detection module and the temperature detection module are respectively connected to the digital signal processing chip;

the voltage detection module is used for detecting a voltage signal at the output end of the switch module in real time;

the current detection module is used for detecting a current signal at the output end of the switch module in real time;

the power metering module is used for calculating the power value of the output end of the switch module and detecting an overload signal in real time;

the leakage detection module is used for detecting a first leakage signal at the output end of the switch module in real time;

the temperature detection module is used for detecting a temperature signal at the output end of the switch module in real time;

and the digital signal processing chip is used for receiving the detected voltage signal, current signal, overload signal, leakage signal and temperature signal, performing signal conversion processing, and outputting the converted voltage signal, current signal, overload signal, first leakage signal and temperature signal to the MCU.

Optionally, the safety socket further comprises an electric leakage timing self-checking module, and the electric leakage timing self-checking module is connected with the electricity utilization detecting module;

and the electric leakage timing self-detection module is used for carrying out electric leakage self-detection in a preset time period and feeding back a detected second electric leakage signal to the MCU.

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

Optionally, the switch module includes a driving module and an MOS transistor switch circuit, an input end of the driving module is connected to the control end of the MCU, an output end of the driving module is connected to the controlled end of the MOS transistor switch circuit, an input end of the MOS transistor switch circuit is an input end of the switch module, and an output end of the MOS transistor switch circuit is an output end of the switch module;

and the driving module is used for outputting a driving signal to the MOS tube switching circuit under the control of the MCU so as to drive the MOS tube switching circuit to act in a circuit.

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 module is an AC-DC circuit, an input end of the AC-DC circuit is an input end of the power module, and an output end of the AC-DC circuit is an output end of the power module;

and the AC-DC circuit is used for converting a commercial power alternating current power supply into a direct current power supply voltage.

Optionally, the housing further comprises a key switch with a socket status indicator lamp.

The invention also provides a socket system, which comprises the safety socket; the safety socket comprises a shell, jacks arranged on the shell, and a power supply module, an electricity utilization detection module, an MCU, a switch module and a wireless communication module which are arranged in the shell;

According to the technical scheme, a power module, an electricity utilization detection module, an MCU, a switch module and a wireless communication module are arranged in a shell of the safety socket, the power module is connected with alternating current from a commercial power alternating current power supply and is converted by the power module to supply power for the electricity utilization detection module, the MCU, the switch module and the wireless communication module. The power utilization detection module detects a load circuit connected with the safety socket in real time to feed back a detected voltage signal, a current signal, an overload signal, a first leakage signal and a temperature signal to the MCU, and the MCU controls the action of the switch module in the circuit firstly, namely when faults such as leakage, short circuit, overload, over-temperature, poor contact and the like exist in the circuit connected to the load, the switch module is controlled to quickly disconnect the connection between the load and a power grid, so that electric shock of a user and electric fire are prevented, and the reliability of the safety socket is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a housing of an embodiment of the safety socket of the present invention;

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

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Shell body	130	MCU
200	Jack hole	140	Switch module
				300	Push-button switch	150	Wireless communication module
110	Power supply module	160	Electric leakage timing self-checking module
				120	Electricity consumption detection module	142	MOS tube switch circuit
141	Drive module

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a safety socket which is applied to a socket system for connecting a computer, a refrigerator, an air conditioner and the like, and the current safety socket mainly has the following defects:

(1) the protection device is single, and when short circuit, electric leakage accident took place in socket system at present, the device that can cut off the power supply line had mechanical type air switch and some traditional arc extinguishing formula short-circuit protection device, generally all was used in the block terminal of building. The leakage protection device only plays a certain role in protecting electric shock of a human body, and does not effectively protect electric fire caused by electric faults such as short circuit, overload and the like.

(2) The current switch with the leakage protection device can not carry out self-checking, and the current switch with the leakage protection device needs to carry out manual detection once every month according to the national standard requirements so as to ensure the integrity of the leakage protection device, and the manual detection is lower in convenience and low in reliability.

(3) The power distribution switch can not be quickly powered off, when the electric wire short circuit fault occurs on the power utilization side, the cut-off time of the air switch is far short, and the electric wire is very easy to be ignited, so that the power distribution switch is damaged, and even an electric fire disaster is caused in serious conditions.

(4) The fault point can not fix a position, and when taking place general electrical fault, the air switch of block terminal one side can break off, but can not fix a position in time which socket breaks down at the power consumption side.

(5) The fault type cannot be determined, and the fault type cannot be determined in time when an electrical fault occurs in the electricity consumption of daily life, so that professional personnel are required to overhaul the electricity.

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 jack 200 disposed on the housing 100, and a power module 110, a power usage detection module 120, an MCU130, a switch module 140, and a wireless communication module 150 disposed in the housing 100;

the input end of the power module 110 is connected with a commercial power alternating-current power supply, the output end of the power module 110 is respectively connected with the power end of the power consumption detection module 120, the power end of the MCU130, the power end of the wireless communication module 150 and the input end of the switch module 140, the detection end of the power consumption detection module 120 is connected with the output end of the switch module 140, the feedback end of the power consumption detection module 120 is connected with the input end of the MCU130, 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 detecting module 120 is configured to detect a voltage signal, a current signal, an overload signal, a first leakage signal, and a temperature signal at an output end of the switch module 140 in real time;

the MCU130 is configured to receive the voltage signal, the current signal, the overload signal, the first leakage signal and the temperature signal detected by the power consumption detecting module 120, control the switch module 140 to operate in the circuit, and upload the detected electrical parameter information to the terminal device through the wireless communication module 150.

In this embodiment, the power consumption detecting module 120 includes a digital signal processing chip, a voltage detecting module, a current detecting module, a power metering module, an electric leakage detecting module and a temperature detecting module, and the voltage detecting module, the current detecting module, the electric leakage detecting module and the temperature detecting module are respectively connected to the digital signal processing chip;

the voltage detection module is configured to detect a voltage signal at the output end of the switch module 140 in real time;

the current detection module is configured to detect a current signal at the output end of the switch module 140 in real time;

the power metering module is configured to calculate a power value at an output end of the switch module 140, and detect an overload signal in real time;

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

the temperature detection module is used for detecting a temperature signal at the output end of the switch module 140 in real time;

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

In the above embodiment, the power consumption detecting module 120 integrates the voltage detecting module, the current detecting module, the power metering module, the leakage detecting module, the temperature detecting module, and other high-precision detecting modules, and converts the voltage signal, the current signal, the overload signal, the first leakage signal, and the temperature signal detected by the digital signal processing chip in the power consumption detecting module 120 to transmit the converted signals to the MCU130, after the MCU130 receives the feedback signal, the control switch module 140 operates in the connection circuit, that is, when there are faults such as leakage, short circuit, overload, over-temperature, and poor contact in the circuit connected to the load, the control switch module 140 quickly disconnects the load from the power grid, thereby preventing the occurrence of electric shock and electric fire of the user, and improving the reliability of the safety socket.

It is understood that the first leakage signal in this embodiment is a load line leakage signal connected into the safety receptacle.

In this embodiment, the digital signal processing chip is a DSP chip, which is also called a digital signal processor, and is a microprocessor particularly suitable for performing digital signal processing operations; the voltage detection module can detect voltage by adopting a resistance voltage division mode or detect voltage of a load circuit connected to the safety socket by adopting a voltage detection chip; the current detection module can be a current transformer and is sleeved on a line connected to a load so as to detect the load current; the leakage detection module can be a residual current transformer and is connected in a circuit between the safety socket and the load so as to detect the leakage current of the load; the temperature sensing module may be a temperature sensor disposed on a line between the safety receptacle and the load to sense a temperature of the line disposed between the safety receptacle and the load.

Further, the MCU130 is configured to receive the voltage signal, the current signal, the overload signal, the first leakage signal and the temperature signal fed back by the power consumption detecting module 120, perform operation analysis, transmit various electrical parameter information to the wireless communication module in time, determine whether a potential safety hazard exists in a rear-stage load of the safety socket, feed back the potential safety hazard to the switch module 140 in time to cut off the safety socket, and send an alarm message; when the safety socket detects that no electrical potential safety hazard occurs, the MCU130 uploads electrical parameter information to the server through the wireless communication module, and the electrical parameter information is displayed on the terminal equipment through the server, so that a user can clearly know the load circuit state connected with the safety socket, and the reliability of the safety socket is improved.

In the above embodiment, the switch module 140 is the switch module 140 connected between the input power grid end and the output load end, and is configured to control on/off of a power grid between the input power grid end and the output load end. When faults such as electric leakage, short circuit, overload, over-temperature, poor contact and the like exist in the circuit, the circuit can receive a control signal from the MCU130 so as to quickly disconnect the connection between the load and the power grid to play a protection role. When the external equipment leaks electricity or the temperature reaches a preset value, the connection between the load and the power grid can be cut off quickly, and electric shock and electric fire of a user are prevented.

It can be understood that the power supply module in this scheme supplies power for the control circuit of the safety socket through rectification and transformation, and the power supply module is mutually connected with the commercial power alternating current power supply to guarantee that the switch module 140 in the safety socket acts when the load end electric equipment or line breaks down, realize protecting the load and the line connected to the safety socket, and promote the reliability of the safety socket.

In the above embodiment, the jack 200 on the safety socket may be a 2-jack socket and/or a 3-jack socket, so as to implement multi-scenario use of the safety socket.

According to the technical scheme of the invention, the shell 100 of the safety socket is internally provided with the power supply module 110, the electricity utilization detection module 120, the MCU130, the switch module 140 and the wireless communication module 150, and the power supply module 110 is connected with alternating current from a mains supply alternating current power supply and is converted by the power supply module 110 to supply power to the electricity utilization detection module 120, the MCU130, the switch module 140 and the wireless communication module 150. The power consumption detection module 120 detects a load line connected with the safety socket in real time, so that detected voltage signals, current signals, overload signals, first leakage signals and temperature signals are fed back to the MCU130, the MCU130 controls the action of the switch module 140 in the line, namely, when faults such as electric leakage, short circuit, overload, over-temperature, poor contact and the like exist in the line connected to the load, the switch module 140 is controlled to rapidly disconnect the load from the power grid, electric shock and electric fire of a user are prevented, and the reliability of the safety socket is improved.

In one embodiment, as shown in fig. 2, the safety socket further includes an electrical leakage timing self-test module 160, and the electrical leakage timing self-test module 160 is connected to the power consumption detection module 120;

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

In this embodiment, the preset time period of the electrical leakage timing self-checking module 160 is 1 day to 30 days. It is understood that the second leakage signal in this embodiment refers to a leakage signal of the safety socket, and the leakage signal may be self-tested on the safety socket within a preset time period, where the preset time period may be 1 day, 5 days, 15 days, 30 days, and the like, and is set according to practical situations, and is not limited herein.

In an embodiment, the switch module 140 includes a driving module 141 and a MOS transistor switch circuit 142, an input end of the driving module 141 is connected to a control end of the MCU130, an output end of the driving module 141 is connected to a controlled end of the MOS transistor switch circuit 142, an input end of the MOS transistor switch circuit 142 is an input end of the switch module 140, and an output end of the MOS transistor switch circuit 142 is an output end of the switch module 140;

the driving module 141 is configured to output a driving signal to the MOS transistor switch circuit 142 under the control of the MCU130, so as to drive the MOS transistor switch circuit 142 to perform a circuit operation.

It can be understood that when the MCU130 receives the voltage signal, the current signal, the overload signal, the first leakage signal and the temperature signal, the driving module 141 in the driving switch module 140 controls the on/off of the MOS switch circuit 142 in the safety socket to realize the on/off of the load and the power grid, thereby improving the reliability of the safety socket.

In this embodiment, the above-mentioned scheme can prevent personnel from electrocuting and prevent that electric fire from happening, when the load breaks down such as short circuit or electric leakage, can cut off power supply circuit fast through MOS pipe switch circuit 142, prevents personnel from electrocuting, prevents the emergence of electric fire, has also protected electric circuit simultaneously.

In an 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 no electrical safety hazard occurs, the MCU130 uploads the electrical parameter information to the server through the wireless communication module, and the electrical parameter information is displayed on the terminal device through the server, so that the user can clearly know the state of the load line connected to the safety socket, and the reliability of the safety socket is improved.

In this embodiment, advance electrical fault prediction, electrical fault location and remote control can be realized through the wireless communication module 150, specifically, when the device works normally, the wireless communication module 150 uploads electrical parameter information in real time and analyzes the information, and advance warning is performed on electrical line and external load faults; the position of the external power load fault point detected by the safety socket is uploaded in time through the wireless communication module, so that maintenance personnel can conveniently overhaul the power load fault point; and a user can remotely control the switch-off and switch-on of the switch module in the safety socket, so that the reliability of the safety socket is improved.

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

the AC-DC circuit is configured to convert a commercial AC power into a DC power, and the converted DC power 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. It should be noted that the key switch 300 with the socket status indicator is connected to the MCU130 in the safety socket, and when the MCU130 receives the detected voltage signal, current signal, first leakage signal, second leakage signal and temperature signal, the indication may be performed through the indicator on the key switch 300 with the socket status indicator. It can be understood that, the key switch 300 can also manually switch the load on and off with the power grid, so as to improve the reliability of the safety socket.

Based on the above embodiment, aiming at the hidden dangers of fire, electric shock and the like at present and the personal safety caused by the hidden dangers, the standard distribution box can not effectively eliminate the hidden dangers of fire and the like due to the distance and the fault reaction speed, and the safety socket provided by the application can detect the fault type, position the fault occurrence position and the like when the hidden dangers of fire and the like occur so as to control the switch module to quickly disconnect the load from the power grid, and the reliability of the safety socket in the hidden dangers of fire, electric shock and the like is improved.

The invention also provides a socket system, which comprises the safety socket; the safety socket comprises a shell 100, a jack 200 arranged on the shell 100, and a power module 110, an electricity utilization detection module 120, an MCU130, a switch module 140 and a wireless communication module 150 which are arranged in the shell 100; the input end of the power module 110 is connected with a commercial power alternating-current power supply, the output end of the power module 110 is respectively connected with the power end of the power consumption detection module 120, the power end of the MCU130, the power end of the wireless communication module 150 and the input end of the switch module 140, the detection end of the power consumption detection module 120 is connected with the output end of the switch module 140, the feedback end of the power consumption detection module 120 is connected with the input end of the MCU130, 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 detecting module 120 is configured to detect a voltage signal, a current signal, an overload signal, a first leakage signal, and a temperature signal at an output end of the switch module 140 in real time; the MCU130 is configured to receive the voltage signal, the current signal, the overload signal, the first leakage signal and the temperature signal detected by the power consumption detecting module 120, control the switch module 140 to operate in the circuit, and upload the detected electrical parameter information to the terminal device through the wireless communication module 150. The specific structure of the safety socket refers to the above embodiments, and since the socket system adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the specification and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A safety socket is characterized by comprising a shell, jacks arranged on the shell, and a power module, an electricity utilization detection module, an MCU, a switch module and a wireless communication module which are arranged in the shell;

2. The safety socket according to claim 1, wherein the electricity consumption detection module comprises a digital signal processing chip, a voltage detection module, a current detection module, a power metering module, an electric leakage detection module and a temperature detection module, and the voltage detection module, the current detection module, the electric leakage detection module and the temperature detection module are respectively interconnected with the digital signal processing chip;

3. The safety receptacle of claim 1, further comprising an electrical leakage timing self-test module interconnected with the power usage detection module;

4. The safety receptacle of claim 3, wherein the predetermined time period of the leakage timing self-test module is 1 day to 30 days.

5. The safety socket according to claim 1, wherein the switch module comprises a driving module and a MOS transistor switch circuit, an input terminal of the driving module is connected to a control terminal of the MCU, an output terminal of the driving module is connected to a controlled terminal of the MOS transistor switch circuit, an input terminal of the MOS transistor switch circuit is an input terminal of the switch module, and an output terminal of the MOS transistor switch circuit is an output terminal of the switch module;

6. The security receptacle of claim 1, wherein the wireless communication module is a bluetooth module, a WIFI module, or a cellular network module.

7. The security jack of claim 6, wherein the cellular network module is a 2G, 3G, 4G or 5G network module.

8. The safety receptacle of claim 1, wherein the power module is an AC-DC circuit, the input of the AC-DC circuit is the input of the power module, and the output of the AC-DC circuit is the output of the power module;

9. The safety jack of claim 1, further comprising a key switch on said housing with a jack status indicator light.

10. An outlet system, characterized in that it comprises a safety outlet according to any one of claims 1-9.