CN109599701B - Plug and socket electric energy transmission device - Google Patents

Plug and socket electric energy transmission device Download PDF

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Publication number
CN109599701B
CN109599701B CN201811447906.2A CN201811447906A CN109599701B CN 109599701 B CN109599701 B CN 109599701B CN 201811447906 A CN201811447906 A CN 201811447906A CN 109599701 B CN109599701 B CN 109599701B
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China
Prior art keywords
induction coil
plug
relay
control circuit
connecting hole
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CN201811447906.2A
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Chinese (zh)
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CN109599701A (en
Inventor
王文斌
邵一祥
刘廷
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Zhejiang everything workshop Intelligent Technology Co., Ltd
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Zhejiang Everything Workshop Intelligent Technology Co ltd
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Priority to CN201811447906.2A priority Critical patent/CN109599701B/en
Publication of CN109599701A publication Critical patent/CN109599701A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7035—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part comprising a separated limit switch

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention discloses a plug and socket electric energy transmission device. The device includes: the plug first connector and the socket are matched with the first connector to form a second connector of an electric energy transmission path, a control circuit and an electric energy storage unit; the plug first connector comprises a magnetized plug first connecting pin; the second connector of the socket comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole; the control circuit at least comprises a control end, and the control end is connected with the induction coil; the electric energy storage unit is connected with the induction coil in parallel, and the safety of the plug and the socket can be improved through the technical scheme of the invention.

Description

Plug and socket electric energy transmission device
Technical Field
The embodiment of the invention relates to a connector device, in particular to a plug and socket electric energy transmission device.
Background
Most of existing sockets are exposed outside so as to be convenient for users to use, however, children have curiosity about strange things, so that the situation that the fingers of the children are inserted into the sockets to cause electric shock of the children often occurs, and great troubles are caused to parents.
Disclosure of Invention
The embodiment of the invention provides a plug and socket electric energy transmission device, which can improve the safety of a plug and a socket.
In a first aspect, an embodiment of the present invention provides a plug and socket power transmission device, including:
the plug first connector and the socket are matched with the first connector to form a second connector of an electric energy transmission path, a control circuit and an electric energy storage unit;
the plug first connector comprises a magnetized plug first connecting pin;
the second connector of the socket comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole;
the control circuit at least comprises a control end, and the control end is connected with the induction coil;
the electric energy storage unit is connected in parallel with the induction coil.
Further, the electric energy storage unit includes: a first transformer for a first voltage to be supplied to the power supply,
the input end of the first transformer is connected with a commercial power output unit, and the output end of the first transformer is connected with the control circuit and used for providing low-voltage current for the control circuit.
Further, the electric energy storage unit includes: a second transformer for transforming the first and second voltage signals,
the input end of the second transformer is connected with the control circuit, and the output end of the second transformer is connected with a commercial power output unit for adjusting the transformation ratio of the second transformer according to the output current of the control circuit.
Further, the control circuit includes: a triode and a relay, wherein the triode is connected with the relay,
the base electrode of the triode is connected with the induction coil, and at the moment that the first connecting pin is inserted into the second connecting hole, the induction coil generates current to drive the triode to be in a conducting state;
the control end of the relay is connected with the collector of the triode, and the relay is driven to work in a conducting state when the triode is in a conducting state.
Further, the control circuit includes:
an IC chip and a relay, wherein the IC chip is connected with the relay,
the IC chip comprises a first control end used for being connected with the induction coil and a second control end used for being connected with the relay;
the controlled end of the relay is connected with the IC chip, the input end of the relay is connected with a commercial power output unit, and the output end of the relay is connected with the second connecting hole and used for being opened or closed when receiving an instruction sent by the IC chip.
Further, the induction coil includes: first induction coil and second induction coil, the second connecting hole includes: the induction heating device comprises a first sub-connecting hole and a second sub-connecting hole, wherein the first induction coil is arranged on the outer surface of the first sub-connecting hole, and the second induction coil is arranged on the outer surface of the second sub-connecting hole.
Further, the IC chip is specifically configured to:
and when the current generated by the first induction coil is the same as the current generated by the second induction coil, generating a conduction instruction to drive the relay to work in a conduction state.
The embodiment of the invention comprises a second connector, a control circuit and an electric energy storage unit, wherein the second connector, the control circuit and the electric energy storage unit are matched with the first connector through a plug first connector and a socket to form an electric energy transmission path; the plug first connector comprises a magnetized plug first connecting pin; the second connector of the socket comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole; the control circuit at least comprises a control end, and the control end is connected with the induction coil; the electric energy storage unit is connected with the induction coil in parallel, so that the safety of the plug and the socket can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a plug and socket power transmission device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a plug and socket power transmission device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a plug and socket power transmission device in a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example one
Fig. 1 is a schematic structural diagram of a plug and socket power transmission device according to an embodiment of the present invention, where the plug and socket power transmission device includes: plug first connector 110, second connector 120, control circuit 130, and electrical energy storage unit 140;
the plug first connector and the socket are matched with the first connector to form a second connector of an electric energy transmission path, a control circuit and an electric energy storage unit;
the plug first connector comprises a magnetized plug first connecting pin;
the second connector comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole;
the control circuit at least comprises a control end, and the control end is connected with the induction coil;
the electric energy storage unit is connected in parallel with the induction coil.
Optionally, the control circuit includes: a triode and a relay, wherein the triode is connected with the relay,
the base electrode of the triode is connected with the induction coil, and at the moment that the first connecting pin is inserted into the second connecting hole, the induction coil generates current to drive the triode to be in a conducting state;
the control end of the relay is connected with the collector of the triode, and the relay is driven to work in a conducting state when the triode is in a conducting state.
Specifically, when the base of the triode detects that the induction coil generates current, the triode is driven to be in a conducting state.
Wherein the relay may be a switch.
Specifically, the collector of the triode is connected with the control end of the relay, and the relay is driven to work when the triode is in a conducting state, namely the current circuit is controlled to be in a closed state.
Optionally, the induction coil includes: first induction coil and second induction coil, the second connecting hole includes: the induction heating device comprises a first sub-connecting hole and a second sub-connecting hole, wherein the first induction coil is arranged on the outer surface of the first sub-connecting hole, and the second induction coil is arranged on the outer surface of the second sub-connecting hole.
The first plug connecting pin comprises a first plug sub-connecting pin and a second plug sub-connecting pin, the first plug sub-connecting pin corresponds to the first sub-connecting hole, and the second plug sub-connecting pin corresponds to the second sub-connecting hole.
Optionally, the IC chip is specifically configured to:
and when the current generated by the first induction coil is the same as the current generated by the second induction coil, generating a conduction instruction to drive the relay to work in a conduction state.
Specifically, a rule for generating a turn-off command is stored in the IC chip in advance, for example, the first magnetized plug sub-connection pin and the second magnetized plug sub-connection pin are both inserted into the first sub-connection hole or the second sub-connection hole with the same magnetic pole (N pole or S pole), a current generated at the moment when the first plug sub-connection pin is inserted into the first sub-connection hole and a current generated at the moment when the second plug sub-connection pin is inserted into the second sub-connection hole are generated, the generation time of the currents is the same, the current values are the same, and the current directions are the same, then a turn-off command is generated and sent to the relay, so as to control the relay to operate in a turn-on state.
Optionally, a rule for generating the opening instruction may be stored in the IC chip in advance, for example, the N pole of the first magnetized plug sub-connection pin and the S pole of the second magnetized plug sub-connection pin are inserted into the first sub-connection hole or the second sub-connection hole, a current generated at an instant when the first plug sub-connection pin is inserted into the first sub-connection hole and a current generated at an instant when the second plug sub-connection pin is inserted into the second sub-connection hole are generated, the current generation time is the same, the current values are the same, and the current directions are opposite, the opening instruction is generated and sent to the relay, so as to control the relay to be in the off state.
According to the technical scheme of the embodiment, the second connector, the control circuit and the electric energy storage unit form an electric energy transmission path by matching the first connector of the plug and the first connector of the socket; the plug first connector comprises a magnetized plug first connecting pin; the second connector of the socket comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole; the control circuit at least comprises a control end, and the control end is connected with the induction coil; the electric energy storage unit is connected with the induction coil in parallel, so that the safety of the plug and the socket can be improved.
Example two
Fig. 2 is a schematic structural diagram of a plug and socket power transmission device in a second embodiment of the present invention, in this embodiment, the power storage unit includes: a first transformer, the control circuit comprising: an IC chip and a relay.
The input end of the first transformer is connected with a mains supply output unit, and the output end of the first transformer is connected with the control circuit and used for providing low-voltage current for the control circuit. The IC chip comprises a first control end used for being connected with the induction coil and a second control end used for being connected with the relay; the controlled end of the relay is connected with the IC chip, the input end of the relay is connected with a commercial power output unit, and the output end of the relay is connected with the second connecting hole and used for being opened or closed when receiving an instruction sent by the IC chip.
Specifically, when the plug is inserted into the socket, power is directly supplied, and an electric spark is easily generated, a delay may be set at the switch position, that is, after the plug is inserted for a period of time, the current generated by the induction coil satisfies a preset condition, and then the power is supplied to prevent the electric spark from being generated.
According to the technical scheme of the embodiment, the second connector, the control circuit and the electric energy storage unit form an electric energy transmission path by matching the first connector of the plug and the first connector of the socket; the plug first connector comprises a magnetized plug first connecting pin; the second connector of the socket comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole; the control circuit at least comprises a control end, and the control end is connected with the induction coil; the electric energy storage unit is connected with the induction coil in parallel, the safety of the plug and the socket can be improved, low-voltage current can be provided for the control circuit through the first transformer, and the relay can be controlled to be opened or closed according to the current generated by the induction coil through the IC chip.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a plug and socket power transmission device in a third embodiment of the present invention. In this embodiment, the electric energy storage unit includes: a second transformer, the control circuit comprising: an IC chip and a relay.
The input end of the second transformer is connected with the control circuit, and the output end of the second transformer is connected with a commercial power output unit for adjusting the transformation ratio of the second transformer according to the output current of the control circuit.
The control circuit includes: the IC chip comprises a first control end used for being connected with the induction coil and a second control end used for being connected with the relay;
the controlled end of the relay is connected with the IC chip, the input end of the relay is connected with a commercial power output unit, and the output end of the relay is connected with the second connecting hole and used for being opened or closed when receiving an instruction sent by the IC chip.
Specifically, the correspondence between the generated current direction and the transformation ratio of the second transformer may be stored in the IC chip in advance, the magnetized first sub-connection pin N of the plug and the magnetized second sub-connection pin S of the plug are inserted into the first sub-connection hole or the second sub-connection hole, and if the generated current direction is opposite, the transformation ratio of the second transformer is 2: 1. For example, if the current generated at the moment when the N pole of the first sub-connecting pin of the magnetized plug is inserted into the first sub-connecting hole and the current generated at the moment when the S pole of the second sub-connecting pin of the magnetized plug is inserted into the second sub-connecting hole are the same in current generation time, the current values are the same, and the current directions are opposite, the transformation ratio of the second transformer may be 2: 1.
Specifically, the correspondence between the generated current direction and the transformation ratio of the second transformer may be stored in the IC chip in advance, the magnetized first sub-connection pin N of the plug and the magnetized second sub-connection pin N of the plug are inserted into the first sub-connection hole or the second sub-connection hole, and if the generated current directions are the same, the transformation ratio of the second transformer is 1: 1. For example, if the current generated at the moment when the magnetized first sub-connecting pin N pole of the plug is inserted into the first sub-connecting hole and the current generated at the moment when the magnetized second sub-connecting pin N pole of the plug is inserted into the second sub-connecting hole are the same in current generation time, current value and current direction, the transformation ratio of the second transformer may be 1: 1.
Specifically, the correspondence between the generated current direction and the transformation ratio of the second transformer may be stored in the IC chip in advance, the magnetized first sub-connection pin S of the plug and the magnetized second sub-connection pin S of the plug are inserted into the first sub-connection hole or the second sub-connection hole, and if the generated current directions are the same, the transformation ratio of the second transformer is 11: 18. For example, if the current generated at the moment when the magnetized first sub-connecting pin S of the plug is inserted into the first sub-connecting hole and the current generated at the moment when the magnetized second sub-connecting pin S of the plug is inserted into the second sub-connecting hole have the same current generation time, the same current value and the same current direction, the transformation ratio of the second transformer may be 11: 18.
Specifically, according to the above setting rule, the first sub-connection pin of the plug and the second sub-connection pin of the plug can be magnetized by different magnetization rules, and thus, different voltage values can be generated, such as 110V, 220V, 360V, etc., and in the prior art, when the device is in different countries, because the specified voltage of the commercial power is different in different countries, the plug needs to be replaced, which is not beneficial for use, and by the technical scheme of the embodiment, the plug first sub-connection pin and the plug second sub-connection pin may be magnetized by different magnetization rules, further, switching among 110V, 220V and 360V can be realized, for example, the first sub-connection pin S of the magnetization processing plug is inserted into the first sub-connection hole, the second sub-connection pin S of the magnetization processing plug is inserted into the second sub-connection hole, and 360V is generated by the second transformer. The N pole of the first sub-connecting pin of the plug after magnetization processing is inserted into the first sub-connecting hole, the N pole of the second sub-connecting pin of the plug after magnetization processing is inserted into the second sub-connecting hole, and 220V is generated through the second transformer. The N pole of the first sub-connecting pin of the magnetized plug is inserted into the first sub-connecting hole, the S pole of the second sub-connecting pin of the magnetized plug is inserted into the second sub-connecting hole, and 110V is generated through the second transformer. It should be noted that the correspondence relationship between the magnetization rule and the transformation ratio of the second transformer may be set as necessary.
According to the technical scheme of the embodiment, the second connector, the control circuit and the electric energy storage unit form an electric energy transmission path by matching the first connector of the plug and the first connector of the socket; the plug first connector comprises a magnetized plug first connecting pin; the second connector of the socket comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole; the control circuit at least comprises a control end, and the control end is connected with the induction coil; the electric energy storage unit is connected with the induction coil in parallel, the safety of the plug and the socket can be improved, the transformation ratio of the electric energy storage unit can be adjusted according to the output current of the control circuit through the second transformer, and the relay can be controlled to be opened or closed according to the current generated by the induction coil through the IC chip.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (4)

1. A plug and socket power transfer device, comprising: the plug first connector and the socket are matched with the first connector to form a second connector of an electric energy transmission path, a control circuit and an electric energy storage unit;
the plug first connector comprises a magnetized plug first connecting pin;
the second connector comprises a second connecting hole matched with the first connecting pin, and an induction coil is arranged along the outer surface of the second connecting hole;
the induction coil includes: first induction coil and second induction coil, the second connecting hole includes: the first induction coil is arranged on the outer surface of the first sub-connecting hole, and the second induction coil is arranged on the outer surface of the second sub-connecting hole;
the control circuit at least comprises a control end, and the control end is connected with the induction coil;
the electric energy storage unit is connected with the induction coil in parallel;
the electric energy storage unit includes: a first transformer for a first voltage to be supplied to the power supply,
the input end of the first transformer is connected with a commercial power output unit, and the output end of the first transformer is connected with the control circuit and used for providing low-voltage current for the control circuit;
the electric energy storage unit includes: a second transformer for transforming the first and second voltage signals,
the input end of the second transformer is connected with the control circuit, and the output end of the second transformer is connected with a commercial power output unit for adjusting the transformation ratio of the second transformer according to the output current of the control circuit.
2. The apparatus of claim 1, wherein the control circuit comprises: a triode and a relay, wherein the triode is connected with the relay,
the base electrode of the triode is connected with the induction coil, and at the moment that the first connecting pin is inserted into the second connecting hole, the induction coil generates current to drive the triode to be in a conducting state;
the control end of the relay is connected with the collector of the triode, and the relay is driven to work in a conducting state when the triode is in a conducting state.
3. The apparatus of claim 1, wherein the control circuit comprises:
an IC chip and a relay, wherein the IC chip is connected with the relay,
the IC chip comprises a first control end used for being connected with the induction coil and a second control end used for being connected with the relay;
the controlled end of the relay is connected with the IC chip, the input end of the relay is connected with a commercial power output unit, and the output end of the relay is connected with the second connecting hole and used for being opened or closed when receiving an instruction sent by the IC chip.
4. The apparatus of claim 3, wherein the IC chip is specifically configured to:
and when the current generated by the first induction coil is the same as the current generated by the second induction coil, generating a conduction instruction to drive the relay to work in a conduction state.
CN201811447906.2A 2018-11-29 2018-11-29 Plug and socket electric energy transmission device Active CN109599701B (en)

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Application Number Priority Date Filing Date Title
CN201811447906.2A CN109599701B (en) 2018-11-29 2018-11-29 Plug and socket electric energy transmission device

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Application Number Priority Date Filing Date Title
CN201811447906.2A CN109599701B (en) 2018-11-29 2018-11-29 Plug and socket electric energy transmission device

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CN109599701A CN109599701A (en) 2019-04-09
CN109599701B true CN109599701B (en) 2020-10-16

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106654655B (en) * 2016-11-18 2019-06-04 上海思愚智能科技有限公司 Socket and plug
CN206774787U (en) * 2017-04-25 2017-12-19 广东百事泰电子商务股份有限公司 Power interface on-off control circuit and secure power device

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