Socket teaching appliance capable of improving power utilization safety

Abstract

The utility model discloses a socket teaching appliance for improving power utilization safety, which comprises a base, a panel, a plug, a control panel, three magnetic rings and three electromagnetic relays, the panel is arranged on the base and is provided with three first jacks, the lower end of the plug is provided with three pins which can be matched with the corresponding first jacks in a plugging way, and the control panel is arranged on the base. The upper end of the plug is provided with three second jacks; the control panel is mounted in the base; the panel is provided with a positioning groove, the three first jacks are all located in the positioning groove, the groove bottom of the positioning groove is further provided with three annular grooves capable of containing the magnetic rings, the annular grooves are located on the outer sides of the corresponding first jacks respectively, and the magnetic rings are installed in the corresponding annular grooves respectively. The upper parts of the three pins are respectively provided with a magnetic ring which is opposite to the magnetic ring in polarity; each magnetic ring is electrically connected with the control input end of the control panel; and each electromagnetic relay is mounted in the base, corresponds to the corresponding magnetic coil and is electrically connected with the control output end of the control panel.

Description

Technical Field

[0001] The utility model relates to a socket, in particular to a socket teaching tool for improving electricity safety. Background Art

[0002] The invention of electricity has had a huge impact on human life, and has also brought great convenience and rich uses. The safety of electricity is very important to our lives. Among them, the use of sockets is closely related to the safety of electricity.

[0003] For people with visual impairments, using sockets becomes extremely difficult. In addition to distinguishing the plugs, they also need to understand the location of the sockets. In the process of finding the sockets with their hands, the visually impaired may be in danger of electric shock. For minors, curiosity drives them to explore all kinds of things in the world, and they often do things without knowing the consequences: such as inserting their fingers directly into the sockets, stuffing various small objects into the sockets, or using other objects to poke and insert, which often causes serious electric shock accidents. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a socket teaching tool for improving the safety of electricity use. The socket teaching tool can automatically align with magnetic suction, is convenient for visually impaired people to use, and improves the safety of electricity use.

[0005] In order to solve the above technical problems, the technical solutions adopted by the utility model are as follows:

[0006] A socket teaching aid for improving electricity safety, comprising a base, a panel, a plug and a control panel, wherein the panel is mounted on the base, and is provided with three first sockets, the lower end of the plug is provided with three pins which can be plugged and matched with the corresponding first sockets, and the upper end of the plug is provided with three second sockets connected to electrical appliances; the control panel is mounted inside the base; the feature is that it also includes three magnetic rings and three electromagnetic relays; the panel is provided with a positioning groove, the three first sockets are all located in the positioning groove, and the bottom of the positioning groove is also provided with three annular grooves which can accommodate the magnetic rings, each annular groove corresponds to the first socket and is located on the outer side of the corresponding first socket, each magnetic ring is respectively mounted in the corresponding annular groove, and the upper parts of the three pins are respectively provided with magnetic rings with opposite polarities to the magnetic ring; each magnetic ring is electrically connected to the control input end of the control panel; each electromagnetic relay is mounted inside the base and corresponds to the corresponding magnetic ring, and each electromagnetic relay is electrically connected to the control output end of the control panel.

[0007] The above control board generally adopts a single chip microcomputer or a PLC controller.

[0008] The electromagnetic relay is used to control the on / off connection between the mains and the electrical appliances; one end of the electromagnetic relay is connected to the mains, and the other end of the electromagnetic relay is connected to the electrical appliance connector.

[0009] When the plug is needed, the pin is close to the first socket on the panel, and the magnetic ring on the pin attracts the magnetic ring outside each first socket, which makes it easier to guide the pins of the plug to be inserted into the first socket on the panel, making it easier for visually impaired people to use the socket. During the entire process of inserting the plug into the first socket, there is no direct contact between the magnetic rings and the pins, but the pins are surrounded by the magnetic rings. The magnetic rings apply a certain pulling force to the pins due to adsorption with the magnetic ring on the upper part of the pins, which can ensure that the plug is not easy to fall off the panel. Each magnetic circle on the above-mentioned panel is in a positioning groove that is interconnected with the area but is not connected to the annular groove. If the positioning groove on the panel is accidentally soaked with water during the use of the socket, the accumulated water will spread in the positioning groove that is interconnected with the area, causing the annular groove that is not connected to water, thereby causing a short circuit between any two of the magnetic circles. As long as a short circuit occurs between two of the magnetic circles, a short circuit signal will be transmitted to the control board. After receiving the short circuit signal, the control board will send a power-off command to the corresponding electromagnetic relay, allowing the corresponding electromagnetic relay to immediately cut off the power to the plug to ensure the safe use of the electrical appliance.

[0010] In a preferred embodiment, the upper part of the plug pin is provided with an inwardly concave annular limiting groove, the magnetic ring is in the annular limiting groove, and the outer surface of the magnetic ring is flush with the outer surface of the plug pin. Through this arrangement, the magnetic ring can be firmly installed on the upper part of the plug pin, and it is ensured that the magnetic ring does not protrude outside the annular limiting groove, so that the plug pin can be smoothly inserted into the corresponding first jack.

[0011] In the preferred embodiment, the socket teaching aid also includes a radio frequency chip, a card reader and three micro switches corresponding to the first socket, the radio frequency chip is installed in the plug, the card reader and the three micro switches are all installed inside the base, and the three micro switches are respectively located below the corresponding first socket; the card reader corresponds to the radio frequency chip and can be connected for communication, the card reader and each micro switch are electrically connected to the control input end of the control board; the three pins are respectively a ground pin, a live pin and a neutral pin, and the length of the ground pin is greater than the length of the live pin and the neutral pin; when the plug is inserted into the first socket, the lower ends of the ground pin, the live pin and the neutral pin are respectively in contact with the corresponding micro switches. During the whole process of inserting the plug into the first socket, the three pins on the plug can be inserted into each first socket in any direction; since the ground wire pin is relatively long, after the three pins are inserted into the corresponding first socket, the lower end of the ground wire pin will contact and cooperate with the corresponding micro switch; then the live wire pin and the neutral wire pin will contact and cooperate with the corresponding micro switch, at this time, the trigger signals of the different micro switches will be transmitted to the control board in sequence to determine the live, neutral and ground terminals in the first socket; at the same time, the radio frequency chip of the plug communicates with the card reader in the base to determine whether it has the power-on authority, and transmits the communication signal to the control board; the control board analyzes and processes the received trigger signal and communication signal, selects the conduction scheme of the correct order among the three electromagnetic relays, and sends instructions to turn on the corresponding electromagnetic relay to power the electrical appliance.

[0012] In a further preferred embodiment, the radio frequency chip is an NFC radio frequency chip, and the card reader is an NFC card reader. NFC technology has encryption and identification functions. Through the cooperation of the radio frequency chip and the card reader, it can ensure that the plug has legal power-on authority and increase the safety of electricity use. With the support of the NFC identification function, the application occasions of this socket can be enriched, such as preventing the sockets at the door of homes and businesses, and sockets in some outdoor places from being stolen.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] The utility model can make the pins on the plug be inserted into the first socket on the panel in any direction through the magnetic attraction cooperation between the magnetic circle and the magnetic ring, which plays a guiding role in the insertion of the plug, allowing the visually impaired to use the socket more conveniently and safely, and at the same time has the function of preventing the plug from falling off; at the same time, the socket can detect short circuit conditions and cut off power in time through the design of the magnetic circle and the electromagnetic relay on the socket, ensuring the safe use of electrical appliances, and has the dual protection functions of power-off protection when encountering water and electric shock protection when foreign objects are inserted randomly, which can effectively prevent electric shock accidents caused by children inserting foreign objects into the socket randomly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a structural schematic diagram of a specific embodiment of the utility model;

[0016] Figure 2 yes Figure 1 The structural diagram of the base and panel is hidden in the figure;

[0017] Figure 3 It is a cross-sectional schematic diagram along the ground pin in a specific embodiment of the utility model;

[0018] Figure 4 It is a structural schematic diagram of a panel in a specific embodiment of the utility model;

[0019] Figure 5 It is a circuit flow chart between various components in a specific embodiment of the utility model. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] like Figure 1-5 As shown, the socket teaching tool for improving electrical safety in this embodiment includes a base 1, a panel 2, a plug 3, a control board 4, three magnetic coils 5 and three electromagnetic relays 6. The panel 2 is installed on the base 1, and three first sockets 21 are provided on the panel 2. The lower end of the plug 3 is provided with three pins 31 that can be plugged and matched with the corresponding first sockets 21. The upper end of the plug 3 is provided with three second sockets 32 connected to the electrical appliances; the control board 4 is installed inside the base 1; the panel 2 is provided with a positioning groove 22, and the three first sockets 21 are all in the positioning groove 22. The positioning Three annular grooves 23 capable of accommodating the magnetic coil 5 are also provided on the bottom of the groove 22, each annular groove 23 corresponds to the first jack 21 and is located on the outside of the corresponding first jack 21, each magnetic coil 5 is installed in the corresponding annular groove 23, and the upper parts of the three pins 31 are respectively provided with magnetic rings 7 with opposite polarity to the magnetic coil 5; each magnetic coil 5 is electrically connected to the control input end of the control board 4; each electromagnetic relay 6 is installed inside the base 1 and corresponds to the corresponding magnetic coil 5, and each electromagnetic relay 6 is electrically connected to the control output end of the control board 4.

[0022] The control board 4 is generally a single chip microcomputer or a PLC controller.

[0023] The electromagnetic relay 6 is used to control the on / off connection between the mains and the electrical appliances; one end of the electromagnetic relay 6 is connected to the mains, and the other end of the electromagnetic relay 6 is connected to the electrical appliance connector.

[0024] When the plug 3 is needed, the pin 31 is close to the first socket 21 on the panel 2, and the magnetic ring 7 on the pin 31 and the magnetic ring 5 outside each first socket 21 attract each other, which makes it easier to guide each pin 31 of the plug 3 to be inserted into the first socket 21 on the panel 2, making it easier for the visually impaired to use the socket; during the whole process of inserting the plug 3 into the first socket 21, there is no direct contact between each magnetic ring 5 and each pin 31, but each pin 31 is surrounded by the magnetic ring 5. Each magnetic ring 5 applies a certain pulling force to the pin 31 due to the adsorption with the magnetic ring 7 on the upper part of the pin 31, which can ensure that the plug 3 is not easy to fall off the panel 2. Each magnetic circle 5 on the above-mentioned panel 2 is located in a positioning groove 22 that is interconnected with the region but in an annular groove 23 that is not connected. If the positioning groove 22 on the panel 2 is accidentally soaked with water during the use of the socket, the accumulated water will spread in the positioning groove 22 that is interconnected with the region, so that the annular groove 23 that is not connected will also be soaked with water, thereby causing a short circuit between any two of the magnetic circles 5. As long as two of the magnetic circles 5 are short-circuited, a short-circuit signal will be transmitted to the control board 4. After receiving the short-circuit signal, the control board 4 will send a power-off command to the corresponding electromagnetic relay 6, so that the corresponding electromagnetic relay 6 will immediately cut off the power to the plug 3 to ensure the safe use of the electrical appliance.

[0025] The upper part of the plug pin 31 is provided with an inwardly concave annular limiting groove 314, the magnetic ring 7 is located in the annular limiting groove 314, and the outer surface of the magnetic ring 7 is flush with the outer surface of the plug pin 31. Through this arrangement, the magnetic ring 7 can be firmly installed on the upper part of the plug pin 31, and it is ensured that the magnetic ring 7 does not protrude outside the annular limiting groove 314, so that the plug pin 31 can be smoothly inserted into the corresponding first plug hole 21.

[0026] This socket teaching aid also includes a radio frequency chip (not shown in the figure), a card reader (not shown in the figure) and three micro switches 8 corresponding to the first jack 21, the radio frequency chip is installed in the plug 3, the card reader and the three micro switches 8 are installed inside the base 1, and the three micro switches 8 are respectively located below the corresponding first jacks 21; the card reader and the radio frequency chip are matched with each other and can be connected for communication, and the card reader and each micro switch 8 are electrically connected to the control input end of the control board 4; the three pins 31 are respectively a ground pin 311, a live pin 312 and a neutral pin 313, and the length of the ground pin 311 is greater than the length of the live pin 312 and the neutral pin 313;

[0027] When the plug 3 is inserted into the first socket 21 , the lower ends of the ground wire pin 311 , the live wire pin 312 , and the neutral wire pin 313 are in contact with and matched with the corresponding micro switches 8 . During the whole process of the plug 3 being inserted into the first socket 21, the three pins on the plug 3 can be inserted into each first socket 21 in any direction; since the length of the ground pin 311 is relatively long, after the three pins are inserted into the corresponding first socket 21, the lower end of the ground pin 311 will contact and cooperate with the corresponding micro switch 8; then the live pin 312 and the neutral pin 313 will contact and cooperate with the corresponding micro switch 8, at which time the trigger signals of the different micro switches 8 are successively triggered and transmitted to the control board 4, and the live, neutral and ground terminals in the first socket 21 are determined; at the same time, the radio frequency chip of the plug 3 communicates with the card reader in the base 1 to determine whether it has the power-on authority, and transmits the communication signal to the control board 4; the control board 4 analyzes and processes the received trigger signal and communication signal, selects the conduction scheme of the correct order among the three electromagnetic relays 6, and sends an instruction to turn on the corresponding electromagnetic relay 6, so as to supply power to the electrical appliance.

[0028] The radio frequency chip is an NFC radio frequency chip, and the card reader is an NFC card reader. NFC technology has encryption and identification functions. Through the cooperation of the radio frequency chip and the card reader, it can ensure that the plug 3 has legal power-on authority and increase the safety of electricity use. With the support of the NFC identification function, the application occasions of this socket can be enriched, such as preventing the sockets at the door of homes and businesses, and some outdoor places from being stolen electricity.

[0029] In addition, it should be noted that the names of the various parts of the specific embodiments described in this specification may be different, and any equivalent or simple changes made based on the structure, features and principles described in the utility model patent concept are included in the protection scope of the utility model patent. The technical personnel of the technical field to which the utility model belongs can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A socket teaching aid for improving electrical safety, comprising a base, a panel, a plug and a control panel, wherein the panel is mounted on the base, the panel is provided with three first sockets, the lower end of the plug is provided with three pins that can be plugged and matched with the corresponding first sockets, and the upper end of the plug is provided with three second sockets connected to electrical appliances; the control panel is mounted inside the base; and the characteristics are: It also includes three magnetic circles and three electromagnetic relays; a positioning groove is provided on the panel, the three first jacks are all in the positioning groove, and three annular grooves capable of accommodating the magnetic circle are also provided on the bottom of the positioning groove, each annular groove corresponds to the first jack and is located on the outside of the corresponding first jack, each magnetic circle is installed in the corresponding annular groove, and the upper parts of the three pins are respectively provided with magnetic rings with opposite polarity to the magnetic circle; each magnetic circle is electrically connected to the control input end of the control board; each electromagnetic relay is installed inside the base and corresponds to the corresponding magnetic circle, and each electromagnetic relay is electrically connected to the control output end of the control board.

2. The socket teaching tool for improving electrical safety according to claim 1, characterized in that: An inwardly concave annular limiting groove is provided on the upper part of the plug pin, the magnetic ring is located in the annular limiting groove, and the outer surface of the magnetic ring is flush with the outer surface of the plug pin.

3. The socket teaching tool for improving electrical safety according to claim 1, characterized in that: It also includes a radio frequency chip, a card reader and three micro switches corresponding to the first jacks, the radio frequency chip is installed in the plug, the card reader and the three micro switches are installed inside the base, and the three micro switches are respectively located below the corresponding first jacks; the card reader corresponds to the radio frequency chip and can be connected for communication, the card reader and each micro switch are electrically connected to the control input end of the control board; the three pins are respectively a ground pin, a live pin and a neutral pin, and the length of the ground pin is greater than the length of the live pin and the neutral pin; when the plug is inserted into the first jack, the lower ends of the ground pin, the live pin and the neutral pin are respectively in contact with the corresponding micro switches.

4. The socket teaching tool for improving electrical safety as claimed in claim 3, characterized in that: The radio frequency chip is an NFC radio frequency chip, and the card reader is an NFC card reader.

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