CN112436341A

CN112436341A - Electric shock prevention socket

Info

Publication number: CN112436341A
Application number: CN202011194240.1A
Authority: CN
Inventors: 王黎; 黄训伟; 卢萧
Original assignee: Shandong Chinly Photoelectric Technology Co ltd
Current assignee: Shandong Chinly Photoelectric Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-03-02

Abstract

The invention discloses an electric shock prevention socket which comprises a shell and at least one jack group arranged on the shell, wherein each jack group at least comprises a live wire jack and a zero wire jack; the electric field absorption shielding unit enables the spherical point position of the external conductor to be 0; the electric leakage collection unit and the electric field absorption shielding unit are both arranged on the circuit board and are arranged in the shell, and the electric leakage collection unit is used for shielding electric leakage current and absorbing discrete current generated when the electric appliance is immersed in water; and the control unit is used for controlling the power on and off of the jack group according to the collected working signal. In the use, through the combined action of electric field shielding unit and electric leakage acquisition unit, shielding leakage current absorbs the discrete current that electrical apparatus produced when soaking, has avoided the condition of socket soaking electric leakage, has solved prior art socket and has taken place the electric shock danger easily, the relatively poor technical problem of security performance.

Description

Electric shock prevention socket

Technical Field

The embodiment of the application relates to the technical field of electrical elements, in particular to an electric shock prevention socket.

Background

The socket is an essential electric connecting device in modern production and life. Most of the existing sockets are directly connected with an electrode contact in the socket and a power line, and when the socket is used, the purpose of connecting a power supply is achieved by directly contacting the electrode contact with a plug of an electric appliance. The socket has the advantages that the electrode contact pieces are always electrified, so that the pins on the plug are electrified in the process of pulling out or inserting the plug, and the pins are exposed when the plug is not completely inserted into the socket or is not completely pulled out of the socket, so that the pins are easily directly or indirectly touched by hands to cause electric shock accidents. Particularly, as water is a conductive medium, the socket is easy to leak electricity when used in water, thereby causing potential safety hazards.

Disclosure of Invention

Therefore, the embodiment of the application provides an electric shock prevention socket to at least partially solve the technical problems that the socket in the prior art is easy to generate electric shock danger and has poor safety performance.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

an electric shock preventing socket comprising:

the plug comprises a shell and at least one jack group arranged on the shell, wherein each jack group at least comprises a live wire jack and a zero wire jack;

the electric field absorption shielding unit enables the spherical point position of the external conductor to be 0;

the electric leakage collection unit and the electric field absorption shielding unit are both arranged on the circuit board and are arranged in the shell, and the electric leakage collection unit is used for shielding electric leakage current and absorbing discrete current generated when the electric appliance is immersed in water;

and the control unit is used for controlling the power on and off of the jack group according to the collected working signal.

Further, still include:

the socket comprises at least one pyroelectric infrared sensor for detecting human body existence information around the socket, wherein the pyroelectric infrared sensor is connected with the control unit, the electric field shielding unit and the electric leakage acquisition unit, and the electric field shielding unit and the electric leakage acquisition unit are started when human body signals are detected.

Further, still include:

and the detection switch is used for detecting the plug insertion information of the jack group, is arranged on the circuit board and is electrically connected with the control unit.

Further, still include:

and one end of the relay output module is electrically connected with the control unit, and the other two ends of the relay output module are respectively connected with the live wire jack and the zero line jack of the jack group.

Further, still be provided with the electric leakage warning light on the casing, the electric leakage warning light with electric leakage acquisition unit and the control unit electricity is connected.

Further, still include: the working state indicator light is electrically connected with the control unit, and when the relay output module is connected with a power supply of the jack group, the control unit controls the working state indicator light to display a first color; when the relay output module cuts off the power supply of the jack group, the control unit controls the working state indicator lamp to display a second color.

Further, the control unit is a single chip microcomputer or an integrated circuit chip.

Further, the relay module is an isolation relay with strong electric isolation characteristics.

Further, the housing is an insulating housing.

Further, the insulating shell comprises an insulating base and an insulating cover plate which are detachably connected.

The invention provides an electric shock prevention socket which comprises a shell and at least one jack group arranged on the shell, wherein each jack group at least comprises a live wire jack and a zero wire jack; the electric field absorption shielding unit enables the spherical point position of the external conductor to be 0; the electric leakage collection unit and the electric field absorption shielding unit are both arranged on the circuit board and are arranged in the shell, and the electric leakage collection unit is used for shielding electric leakage current and absorbing discrete current generated when the electric appliance is immersed in water; and the control unit is used for controlling the power on and off of the jack group according to the collected working signal. In the use, through the combined action of electric field shielding unit and electric leakage acquisition unit, shielding leakage current absorbs the discrete current that electrical apparatus produced when soaking, has avoided the condition of socket soaking electric leakage, has solved prior art socket and has taken place the electric shock danger easily, the relatively poor technical problem of security performance.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.

Fig. 1 is a block diagram of an embodiment of an anti-electric shock socket provided in the present invention.

Description of reference numerals:

10-pyroelectric infrared inductor 20-electric leakage acquisition unit 30-relay output module

40-electric field shielding unit 50-control unit

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.

In one embodiment, as shown in fig. 1, the anti-electric shock socket provided by the present invention includes a housing and at least one jack set disposed on the housing, each jack set at least includes a live jack and a neutral jack; still include electric field shielding unit 40, electric leakage acquisition unit 20 and the control unit 50, wherein, the electric field absorbs the shielding unit and makes the spherical point position of outer conductor be 0, electric leakage acquisition unit 20 with the electric field absorbs the shielding unit and all installs on the circuit board, and set up in the casing, electric leakage acquisition unit 20 is used for shielding leakage current to absorb the discrete current that electrical apparatus produced when soaking, control unit 50 is used for controlling according to the operating signal who gathers the break-make of jack group. The absorption and shielding effect of the electric field is obtained by using a conductor connected to the outside, and generally, the potential of the conductor should be regarded as a negative charge if the positive charge around "0" is dominant, and conversely, the conductor is charged oppositely. If the dot charge on the left is negative, the arrows of the electric field lines are reversed. According to the electric field attraction effect, the outer conductor spherical surface maintains the potential of 0, and the electric field is charged with the electric charge opposite to the inner spherical surface, and then the offset effect is generated. When the water is immersed, the leakage prevention device does not leak current into the water, and absorbs the current like a black hole phenomenon, so that the danger of leakage is prevented.

Further, the socket further comprises at least one pyroelectric infrared sensor 10 for detecting the existence information of the human body around the socket, wherein the pyroelectric infrared sensor 10 is connected with the control unit 50, the electric field shielding unit 40 and the electric leakage collecting unit 20, and the electric field shielding unit 40 and the electric leakage collecting unit 20 are turned on when the human body signal is detected. The infrared inductor is connected with the control unit 50 for whether there is the human body to exist around the detection socket in releasing the infrared induction scope at heat, and with human body existence information transfer to the control unit 50, according to the difference of response scope, can select different infrared inductors in order to satisfy different demands.

The switch further includes a detection switch for detecting plug insertion information of the jack group, the detection switch being mounted on the circuit board and electrically connected to the control unit 50. The detection switch is electrically connected to the control unit 50, and is configured to detect whether a plug is inserted into the jack group, and transmit plug insertion information to the control unit 50. For a three-jack socket including an N-jack (a neutral jack), an L-jack (a live jack) and an E-jack (a protection ground jack), sometimes a conductor is mistakenly inserted into the N-jack or the L-jack, sometimes a situation that a conductor or a plug is simultaneously inserted into three jacks due to misoperation occurs, and after the detection switch detects a certain insertion situation, information of plug insertion is transmitted to the control unit 50.

Further, the socket further comprises a relay output module 30, one end of which is electrically connected with the control unit 50, and the other two ends of which are respectively connected with the live wire jack and the zero wire jack of the jack group. One end of the relay output module 30 is connected with the control unit 50, and the other two ends of the relay output module are respectively connected with the N hole and the L hole of the jack group, and the relay output module 30 is controlled by the control unit 50 and used for receiving a command of the control unit 50 to control the on-off of the socket power supply. Preferably, the first and second liquid crystal materials are,

in order to send out a warning signal, the shell is further provided with an electric leakage warning lamp, and the electric leakage warning lamp is electrically connected with the electric leakage acquisition unit 20 and the control unit 50. When the leakage current exceeds the preset value, the leakage warning lamp can twinkle or light to realize alarming.

The socket provided by the invention further comprises a working state indicator light, the working state indicator light is electrically connected with the control unit 50, and when the relay output module 30 is connected with a power supply of the jack group, the control unit 50 controls the working state indicator light to display a first color; when the relay output module 30 turns off the power of the jack group, the control unit 50 controls the operation status indicator lamp to display a second color. Each socket group can be provided with a working state indicator light, the working state indicator light is controlled by the control unit 50, and when the relay output module 30 is powered on by the socket group, the control unit 50 controls the working state indicator light to display a first color; when the relay output module 30 turns off the power supply of the jack groups, the control unit 50 controls the operation status indicator lamps to display a second color, for example, the first color may be set to green, and the second color may be set to red, so as to indicate the operation status of each jack group.

Specifically, the control unit 50 is a single chip microcomputer or an integrated circuit chip, and preferably, the single chip microcomputer is used as the control unit 50. The control unit 50 is a main component of circuit control, receives the human body existence information and the plug insertion information, performs processing analysis, and controls the relay output module 30 to switch on the power supply of the jack group when it is known that the plugs are simultaneously inserted into the N holes and the L holes of the jack group and no human body exists around the socket, or controls the relay output module 30 to switch off the power supply of the jack group. Meanwhile, the control unit 50 also detects the supply voltage continuously, and if the supply voltage exceeds a normal value, the voltage stabilizing function is started to restore the voltage to the normal value.

Further, the relay module is an isolation relay with strong electric isolation characteristics. Meanwhile, the shell is designed to be an insulating shell, and the insulating shell comprises an insulating base and an insulating cover plate which are detachably connected.

In the above embodiment, the electric shock preventing socket provided by the present invention comprises a housing and at least one jack set disposed on the housing, wherein each jack set at least comprises a live jack and a neutral jack; an electric field shielding unit 40 that makes a spherical point position of the outer conductor 0; the leakage current collecting unit 20 and the electric field absorption shielding unit are both mounted on the circuit board and arranged in the shell, and the leakage current collecting unit 20 is used for shielding leakage current and absorbing discrete current generated when the electric appliance is immersed in water; and the control unit 50 is used for controlling the power on and off of the jack group according to the collected working signal. In the use, through electric field shielding unit 40 and electric leakage acquisition unit 20's combined action, shielding leakage current absorbs the discrete current that electrical apparatus produced when soaking, has avoided the condition of socket soaking electric leakage, has solved prior art socket and has taken place the electric shock danger easily, the relatively poor technical problem of security performance.

In the present specification, each embodiment of the method is described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. Reference is made to the description of the method embodiments.

It is noted that while the operations of the methods of the present invention are depicted in the drawings in a particular order, this is not a requirement or suggestion that the operations must be performed in this particular order or that all of the illustrated operations must be performed to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.

Although the present application provides method steps as in embodiments or flowcharts, additional or fewer steps may be included based on conventional or non-inventive approaches. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. When an apparatus or client product in practice executes, it may execute sequentially or in parallel (e.g., in a parallel processor or multithreaded processing environment, or even in a distributed data processing environment) according to the embodiments or methods shown in the figures. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the presence of additional identical or equivalent elements in a process, method, article, or apparatus that comprises the recited elements is not excluded.

The units, devices, modules, etc. set forth in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. For convenience of description, the above devices are described as being divided into various modules by functions, and are described separately. Of course, in implementing the present application, the functions of each module may be implemented in one or more software and/or hardware, or a module implementing the same function may be implemented by a combination of a plurality of sub-modules or sub-units, and the like. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

Those skilled in the art will also appreciate that, in addition to implementing the controller as pure computer readable program code, the same functionality can be implemented by logically programming method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Such a controller may therefore be considered as a hardware component, and the means included therein for performing the various functions may also be considered as a structure within the hardware component. Or even means for performing the functions may be regarded as being both a software module for performing the method and a structure within a hardware component.

The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, classes, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.

From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like, and includes several instructions for enabling a computer device (which may be a personal computer, a mobile terminal, a server, or a network device) to execute the method according to the embodiments or some parts of the embodiments of the present application.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The application is operational with numerous general purpose or special purpose computing system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable electronic devices, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.

The above-mentioned embodiments are further described in detail for the purpose of illustrating the invention, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An electric shock preventing socket, comprising:

an electric field shielding unit (40) which makes a spherical point position of the outer conductor 0;

the leakage collecting unit (20) and the electric field absorption shielding unit are both arranged on the circuit board and arranged in the shell, and the leakage collecting unit (20) is used for shielding leakage current and absorbing discrete current generated when the electric appliance is immersed in water;

the control unit (50) is used for controlling the power on and off of the jack group according to the collected working signals.

2. The shock resistant socket as set forth in claim 1, further comprising:

the socket comprises at least one pyroelectric infrared sensor (10) for detecting human body existence information around the socket, wherein the pyroelectric infrared sensor (10) is connected with the control unit (50), the electric field shielding unit (40) and the electric leakage acquisition unit (20), and the electric field shielding unit (40) and the electric leakage acquisition unit (20) are started when human body signals are detected.

3. The shock resistant socket as set forth in claim 2, further comprising:

and the detection switch is used for detecting the plug insertion information of the jack group, is arranged on the circuit board and is electrically connected with the control unit (50).

4. An electric shock protection socket according to claim 3, further comprising:

and one end of the relay output module (30) is electrically connected with the control unit (50), and the other two ends of the relay output module are respectively connected with the live wire jack and the zero wire jack of the jack group.

5. An electric shock protection socket according to claim 4, wherein an electric leakage warning lamp is further provided on the housing, and is electrically connected to the electric leakage collecting unit (20) and the control unit (50).

6. An electric shock protection socket according to claim 5, further comprising: the working state indicator lamp is electrically connected with the control unit (50), and when the relay output module (30) is connected with a power supply of the jack group, the control unit (50) controls the working state indicator lamp to display a first color; when the relay output module (30) cuts off the power supply of the jack group, the control unit (50) controls the working state indicator lamp to display a second color.

7. The anti-shock socket as claimed in claim 6, wherein the control unit (50) is a single chip or an integrated circuit chip.

8. An anti-electric shock socket according to claim 7 wherein the relay module is an isolating relay with strong electrical isolation characteristics.

9. The shock resistant receptacle of claim 1 wherein said housing is an insulative housing.

10. The shock resistant receptacle of claim 9 wherein said insulative housing comprises a detachably connected insulative base and an insulative cover.