CN104319562A - Safety socket - Google Patents
Safety socket Download PDFInfo
- Publication number
- CN104319562A CN104319562A CN201410582312.8A CN201410582312A CN104319562A CN 104319562 A CN104319562 A CN 104319562A CN 201410582312 A CN201410582312 A CN 201410582312A CN 104319562 A CN104319562 A CN 104319562A
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- resistance
- diode
- socket
- voltage stabilizing
- output
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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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
- H01R13/44—Means for preventing access to live contacts
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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
- H01R13/66—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
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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
- H01R13/66—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
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
Abstract
The invention relates to a safety socket. The safety socket comprises a socket body and a power supply line supplying the socket body with power. The socket body is provided with a movable socket moving body. An upper conductor column, a lower conductor column, a spring, a hanging iron and an electromagnet which are matched in use are arranged in the socket moving body. The socket body is further provided with a safety control circuit board comprising a direct current power supply, an electric energy collector, a socket moving controller and an outlet power controller. The safety socket can ensure that the socket is uncharged in the state that a plug is not plugged into the socket as well as in the state that the plug is plugged into the socket and the socket moving body is not pressed during use. Meanwhile, the safety socket can ensure that the entire socket circuit loop is uncharged when foreign objects are plugged into the socket outlet, so that the socket is high in using safety. The safety socket can guarantee the body safety of children when the children plug foreign objects into the socket outlet or touch the socket outlet with fingers.
Description
Technical field
The present invention relates to a kind of socket, be specifically related to a kind of safety socket that can prevent getting an electric shock.
Background technology
Socket is contemporary work and electric device indispensable in living, and all needs to use socket in family or public place.But the most socket secure barrier propterty used at present is lower, and the electrode slice in socket is all directly charged usually, there is great potential safety hazard for children.For the problem of conventional socket, some structure improved safety sockets are there are, to protect the personal safety of user.As application publication number a kind of safety socket disclosed in the Chinese invention patent application of CN103280672A (application number is 201310203229.0), can children be effectively avoided to point or foreign matter enters socket, but when foreign matter inserts socket aperture and in the process constantly swung, safety lock can be extruded, thus overcome the movable main body of elastic force pressure socket of spring, thus make in socket outlet charged, there is potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention provides a kind of safety socket that can prevent getting an electric shock, security performance is high for above-mentioned prior art.
The present invention's adopted technical scheme that solves the problem is: a kind of safety socket, the power line comprising jack body and power for described jack body, it is characterized in that: described jack body is provided with mobilizable socket movable body, described socket movable body has the socket be connected with described power line;
In described socket movable body, there is cavity, the inner roof wall of described socket movable body is provided with outstanding iron, corresponding to described outstanding iron, in described jack body, be provided with the electromagnet matched;
The inner roof wall of described socket movable body is also provided with the upper conductor post stretched in jack body, corresponding to described upper conductor post, lower conductor post is provided with in described jack body, described upper conductor post can contact with lower conductor post along with the motion of socket movable body, spring is arranged with outside described upper conductor post and lower conductor post, one end of described spring is butted on the bottom of described jack body, and the other end of described spring is butted on the inner roof wall of described socket movable body;
Also be provided with safety control circuit plate in described jack body, described safety control circuit plate comprise DC power supply, energy harvester, socket motion controller and outlet electrical controller;
Wherein, the output of described DC power supply is connected on described upper conductor post and lower conductor post;
Described energy harvester is connected with outlet electrical controller with described DC power supply, socket motion controller respectively, described energy harvester is also connected on described upper conductor post or lower conductor post, described energy harvester also has load cell, and described load cell is connected to described socket;
Described socket motion controller is connected to described outlet electrical controller, and described socket motion controller has the first switch, and described first switch is connected on described electromagnet;
Described outlet electrical controller has second switch, and described second switch is connected on the socket that is connected with the live wire of power line.
In order to when not using socket, ensure integral socket no power, improve the fail safe that socket uses, described jack body is also provided with mains switch, described mains switch one end is connected to the live wire of described power line, and the other end is connected to described socket motion controller and described outlet electrical controller.
Described energy harvester comprises interconnective electric energy acquisition unit and signal controller, the input of described electric energy acquisition unit is connected on described upper conductor post and lower conductor post, the output difference gang socket motion controller of described signal controller and the input of outlet electrical controller.
As required selectively, described DC power supply is independently DC power supply; Or described DC power supply is the DC power supply circuit be made up of the reduction voltage circuit connected successively, rectification circuit, voltage stabilizing circuit, wherein, input one end of described reduction voltage circuit is connected on the zero line of power line, and the other end is connected on the live wire of power line by mains switch.
The input of described electric energy acquisition unit is connected to the output of described rectification circuit, and the electrical energy inputs of described signal controller is connected to the output of described voltage stabilizing circuit.
Described reduction voltage circuit is a transformer, and input one end of transformer is connected on the zero line of power line, and the other end is connected on the live wire of power line by mains switch;
Described rectification circuit is the single phase bridge type rectifier circu be made up of the first diode, the second diode, the 3rd diode, the 4th diode, wherein, the positive pole of the first diode is connected to the positive pole of the 3rd diode, first diode cathode is connected to the positive pole of the second diode, the negative pole of the second diode is connected to the negative pole of the 4th diode, the negative pole of the 3rd diode is connected to the positive pole of the 4th diode, and the negative pole of the first diode and the negative pole of the 3rd diode are connected to the output of transformer;
Described voltage stabilizing circuit comprises the voltage stabilizing chip that model is LM338T, the voltage input end of described voltage stabilizing chip is connected to the negative pole of the second diode by the first resistance, wherein the first end of the first resistance is connected with the negative pole of the second diode, second end of the first resistance is connected with the input of voltage stabilizing chip, the first end of described first resistance is connected to the positive pole of the first diode by the first electric capacity, second end of described first resistance is connected to the positive pole of the first diode by the second electric capacity, the 6th diode is connected with between the first end of described first resistance and the output of voltage stabilizing chip, the positive pole of the 6th diode is connected to the output of voltage stabilizing chip, the negative pole of the 6th diode is connected to the first end of the first resistance, the earth terminal of described voltage stabilizing chip is connected to the positive pole of the first diode by the second resistance, the output of described voltage stabilizing chip and the positive interpolar of the first diode are also connected in parallel to the 3rd resistance and the 3rd electric capacity, wherein the positive pole of the 3rd electric capacity is connected to the output of voltage stabilizing chip, the negative pole of the 3rd electric capacity is connected to the positive pole of the first diode,
The first end of the first resistance and the negative pole of the 3rd electric capacity are connected to the input of electric energy acquisition unit, and the output of voltage stabilizing chip is connected to the power input of signal controller.
Described electric energy acquisition unit is electric energy acquisition circuit, comprise the 4th electric capacity, the 6th resistance, the 7th resistance that are connected in rectification circuit output end in parallel, wherein the positive pole of the 4th electric capacity, the 6th resistance first end, the 7th resistance first end are connected to the negative pole of the second diode, and the negative pole of the 4th electric capacity, the 6th resistance second end, the 7th resistance second end are connected to the positive pole of the first diode; Also comprise the 4th resistance, the 5th resistance, variable 9th resistance and the 8th resistance, wherein the second end of the 4th resistance is connected to the first end of the 5th resistance, the first end of the 4th resistance and the second end of the 5th resistance are connected to the negative pole of the second diode and the positive interpolar of the first diode, second end of variable 9th resistance is connected to the first end of the 8th resistance, and the first end of variable 9th resistance is connected the negative pole of the second diode and the positive interpolar of the first diode respectively with the second end of the 8th resistance; Also comprise voltage stabilizing didoe and the tenth resistance, wherein the output of voltage stabilizing didoe is connected to the first end of the 8th resistance, and the input of voltage stabilizing didoe is connected to the first end of the tenth resistance, and the second end of the tenth resistance is connected to the second end of the 8th resistance;
Described signal controller adopts MPS430 chip;
The first end of described 5th resistance (R5) is connected to an input pin of MPS430 chip, and the output of described voltage stabilizing didoe is connected to another input pin of MPS430 chip.
8, safety socket according to claim 7, it is characterized in that: the control circuit described socket motion controller with the first switch, comprise the 11 resistance, the first triode, the first relay and the 9th diode, wherein the first triode is PNP pipe;
The first end of the 11 resistance is connected to MPS430 chip output pin, second end of described 11 resistance is connected to the base stage of the first triode, the grounded collector of the first triode, the emitter of the first triode is connected to the first end of the first relay, second end of the first relay is connected to the output of voltage stabilizing chip, the positive pole of the 9th diode is connected to the emitter of the first triode, the negative pole of the 9th diode is connected to the second end of the first relay, the closed and disconnected of the first Control first switch.
Described outlet electrical controller has the control circuit of second switch, comprise the 12 resistance, the second triode, the second relay and the 7th diode, wherein the second triode is PNP pipe;
The first end of the 12 resistance is connected to another output pin of MPS430 chip, second end of described 12 resistance is connected to the base stage of the second triode, the grounded collector of the second triode, the emitter of the second triode is connected to the first end of the second relay, second end of the second relay is connected to the output of voltage stabilizing chip, the positive pole of the 7th diode is connected to the emitter of the second triode, the negative pole of the 7th diode is connected to the second end of the second relay, the closed and disconnected of the second Control second switch.
Described mains switch and transformer bay are also connected a light-emitting diode.
Compared with prior art, the invention has the advantages that: this safety socket, utilize socket movable body, upper conductor post, lower conductor post, spring, the outstanding respective outer side edges such as iron and electromagnet safety control circuit plate uses, in use, can ensure without under plug insertion socket state and plug insertion socket do not press down socket movable body state under, socket is not charged.Meanwhile, can also ensure when foreign matter insert socket outlet, whole socket circuit loop is without electricity, and the safety in utilization of socket is very high, child foreign matter is inserted socket outlet or by finger touch socket outlet when, all can ensure its human-body safety.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of safety socket in the embodiment of the present invention.
Fig. 2 is the cross-sectional schematic of socket movable body in the embodiment of the present invention.
Fig. 3 is the circuit connection diagram of socket movable body and safety control circuit plate in the embodiment of the present invention.
Fig. 4 is the internal circuit diagram of safety control circuit plate in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1 to 4, the safety socket in the present embodiment, comprises jack body 1 and the power line for jack body 1 power supply, jack body 1 is provided with mobilizable socket movable body 2, socket movable body 2 has the socket 21 be connected with power line.
In socket movable body 2, there is cavity, the inner roof wall of socket movable body 2 is provided with outstanding iron 22, correspond to outstanding iron 22, the electromagnet 23 matched is provided with in jack body 1, electromagnet 23 produces magnetic attraction when being energized to outstanding iron 22, thus the suction of fitting of electromagnet 23 and outstanding iron 22 is connected together, when electromagnet 23 power-off, then electromagnet 23 disappears to the magnetic attraction of outstanding iron 22, then electromagnet 23 and outstanding iron 22 are separately.
The inner roof wall of socket movable body 2 is also provided with the upper conductor post 24 stretched in jack body 1, corresponding to upper conductor post 24, lower conductor post 25 is provided with in jack body 1, upper conductor post 24 can contact with lower conductor post 25 along with the motion of socket movable body 2, spring 26 is arranged with outside upper conductor post 24 and lower conductor post 25, one end of spring 26 is butted on the bottom of jack body 1, the other end of spring 26 is butted on the inner roof wall of socket movable body 2, then socket movable body 2 can move up and down under the elastic force effect of pressing force and spring 26.In the present embodiment, the askew sheathed spring 26 of upper conductor post 24, lower conductor post 25 and gas arranges two groups, is symmetrical arranged centered by outstanding iron 22.Spring 26 is when selection, and the elastic force of spring 26 is to prevent children from easily depressing and to facilitate adult to press as good.
Also be provided with safety control circuit plate in jack body 1, safety control circuit plate comprise DC power supply 31, energy harvester 32, socket motion controller 33 and outlet electrical controller 34.
In order to when not using socket, ensure integral socket no power, improve the fail safe that socket uses, jack body 1 is also provided with mains switch 35, mains switch 35 one end is connected to the live wire of power line, and the other end is connected to socket motion controller 33 and outlet electrical controller 34.
The output of DC power supply 31 is connected on upper conductor post 24 and lower conductor post 25, for upper conductor post 24 and lower conductor post 25 are powered, after upper conductor post 24 is connected with lower conductor post 25 contact, is then energized between upper conductor post 24 and lower conductor post 25.According to different designs or use needs, DC power supply 31 is independently DC power supply, the DC power supply circuit that the reduction voltage circuit 311 that also can connect successively for serving as reasons, rectification circuit 312, voltage stabilizing circuit 313 are formed, and reduction voltage circuit 311, rectification circuit 312, voltage stabilizing circuit 313 all can adopt conventional element connecting circuit, adopt DC power supply circuit as DC power supply 31 in the present embodiment, the DC power supply circuit of its corresponding use is shown in Fig. 4.Wherein, input one end of reduction voltage circuit 311 is connected on the zero line of power line, and the other end is connected on the live wire of power line by mains switch 35.
Energy harvester 32 comprises interconnective electric energy acquisition unit 321 and signal controller 322, the input of electric energy acquisition unit 321 is connected to the output of rectification circuit 312, and the input of electric energy acquisition unit 321 is also connected on upper conductor post 24 or lower conductor post 25.The electrical energy inputs of signal controller 322 is connected to the output of voltage stabilizing circuit 313, the output difference gang socket motion controller 33 of signal controller 322 and the input of outlet electrical controller 34.In order to realize the power-off in time when load is unloaded or overloads, ensure use safety, energy harvester 32 also has load cell, and load cell one end is connected to socket 21, and the other end is connected to electric energy acquisition unit 321.
Socket motion controller 33 has the first switch 331, first switch 331 is connected on electromagnet 23, outlet electrical controller 34 has second switch 341, second switch 341 is connected on the socket 21 that is connected with the live wire of power line, and the first switch 331 is also connected to second switch 341.Motion controller and the closed and disconnected that can be connected Control first switch 331 and second switch 341 in outlet electrical controller 34 by simple signal amplification circuit.When load cell detects non-loaded on socket 21 or load surcharge, its testing result signal of telecommunication is sent to electric energy acquisition unit 321, thus be sent to energy harvester 32 in the process through electric energy acquisition unit 321, signal controller 322 then in energy harvester 32 sends corresponding control signal to socket motion controller 33 and outlet electrical controller 34, control disconnection first switch 331 and second switch 341, the safety in utilization of socket like this is higher.
The internal circuit diagram of the safety control circuit plate in this safety socket is specific as follows:
Reduction voltage circuit 311 is a transformer T1, input one end of transformer T1 is connected on the zero line of power line, the other end is connected on the live wire of power line by mains switch 35, and mains switch 35 and transformer bay are also connected a light-emitting diode D8, for whether showing the energising of socket;
Rectification circuit 312 is the single phase bridge type rectifier circu be made up of the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, wherein, the positive pole of the first diode D1 is connected to the positive pole of the 3rd diode D3, first diode D1 negative pole is connected to the positive pole of the second diode D2, the negative pole of the second diode D2 is connected to the negative pole of the 4th diode D4, the negative pole of the 3rd diode D3 is connected to the positive pole of the 4th diode D4, and the negative pole of the first diode D1 and the negative pole of the 3rd diode D3 are connected to the output of transformer T1;
Voltage stabilizing circuit 313 comprises the voltage stabilizing chip that model is LM338T, and according to design needs, voltage stabilizing chip also can select other models.The voltage input end of voltage stabilizing chip is connected to the negative pole of the second diode D2 by the first resistance R1, wherein the first end of the first resistance R1 is connected with the negative pole of the second diode D2, second end of the first resistance R1 is connected with the input of voltage stabilizing chip, the first end of the first resistance R1 is connected to the positive pole of the first diode D1 by the first electric capacity C1, second end of the first resistance R1 is connected to the positive pole of the first diode D1 by the second electric capacity C2, the 6th diode D6 is connected with between the first end of the first resistance R1 and the output of voltage stabilizing chip, the positive pole of the 6th diode D6 is connected to the output of voltage stabilizing chip, the negative pole of the 6th diode D6 is connected to the first end of the first resistance R1, the earth terminal of voltage stabilizing chip is connected to the positive pole of the first diode D1 by the second resistance R2, the output of voltage stabilizing chip and the positive interpolar of the first diode D1 are also connected in parallel to the 3rd resistance R3 and the 3rd electric capacity C3, wherein the positive pole of the 3rd electric capacity C3 is connected to the output of voltage stabilizing chip, the negative pole of the 3rd electric capacity C3 is connected to the positive pole of the first diode D1,
The first end of the first resistance R1 and the negative pole of the 3rd electric capacity C3 are connected to the input of electric energy acquisition unit 321, and the output of voltage stabilizing chip is connected to the power input of signal controller 322.
Electric energy acquisition unit 321 is electric energy acquisition circuit, comprise the 4th electric capacity C4, the 6th resistance R6, the 7th resistance R7 that are connected in rectification circuit 312 output in parallel, wherein the positive pole of the 4th electric capacity C4, the 6th resistance R6 first end, the 7th resistance R7 first end are connected to the negative pole of the second diode D2, and the negative pole of the 4th electric capacity C4, the 6th resistance R6 second end, the 7th resistance R7 second end are connected to the positive pole of the first diode D1; Also comprise the 4th resistance R4, the 5th resistance R5, variable 9th resistance R9 and the 8th resistance R8, wherein second end of the 4th resistance R4 is connected to the first end of the 5th resistance R5, the first end of the 4th resistance R4 and second end of the 5th resistance R5 are connected to the negative pole of the second diode D2 and the positive interpolar of the first diode D1, second end of variable 9th resistance R9 is connected to the first end of the 8th resistance R8, and first end and second end of the 8th resistance R8 of variable 9th resistance R9 are connected the negative pole of the second diode D2 and the positive interpolar of the first diode D1 respectively; Also comprise voltage stabilizing didoe D6 and the tenth resistance R10, wherein the output of voltage stabilizing didoe D6 is connected to the first end of the 8th resistance R8, the input of voltage stabilizing didoe D6 is connected to the first end of the tenth resistance R10, and second end of the tenth resistance R10 is connected to second end of the 8th resistance R8;
Signal controller 322 adopts MPS430 chip, and according to design needs, signal controller also can select other models;
The first end of the 5th resistance R5 is connected to an input pin AD0 of MPS430 chip, and the output of voltage stabilizing didoe D6 is connected to another input pin AD1 of MPS430 chip.
Socket motion controller 33 has the control circuit of the first switch 331, comprise the 11 resistance R11, the first triode Q1, the first relay K 1 and the 9th diode D9, wherein the first triode Q1 is PNP pipe;
The first end of the 11 resistance R11 is connected to MPS430 chip output pin P1_0, second end of the 11 resistance R11 is connected to the base stage of the first triode Q1, the grounded collector of the first triode Q1, the emitter of the first triode Q1 is connected to the first end of the first relay K 1, second end of the first relay K 1 is connected to the output of voltage stabilizing chip, the positive pole of the 9th diode D9 is connected to the emitter of the first triode Q1, the negative pole of the 9th diode D9 is connected to the second end of the first relay K 1, first relay K 1 controls the closed and disconnected of the first switch 331.
Outlet electrical controller 34 has the control circuit of second switch 341, comprise the 12 resistance R12, the second triode Q2, the second relay K 2 and the 7th diode D7, wherein the second triode Q2 is PNP pipe;
The first end of the 12 resistance R12 is connected to another output pin of MPS430 chip P1_1, second end of the 12 resistance R12 is connected to the base stage of the second triode Q2, the grounded collector of the second triode Q2, the emitter of the second triode Q2 is connected to the first end of the second relay K 2, second end of the second relay K 2 is connected to the output of voltage stabilizing chip, the positive pole of the 7th diode D7 is connected to the emitter of the second triode Q2, the negative pole of the 7th diode D7 is connected to the second end of the second relay K 2, second relay K 2 controls the closed and disconnected of second switch 341.
This safety socket in use, closed electrical source switch 35, now because the first switch 331 and second switch 341 are off state, then whole socket circuit no power, not charged in the socket 21 of socket.By in the socket 21 on plug insertion socket movable body 2, now the first switch 331 and second switch 341 state that is off still are off state, whole socket circuit no power.When needing plug to be energized, press plug downwards, then plug drives socket movable body 2 to move downward, socket is driven constantly to move downward in process at plug, outstanding iron 22 and electromagnet 23 contact, and upper conductor post 24 and lower conductor post 25 contact, and spring 26 is in compressive state simultaneously.Loop is formed with DC power supply 31 after upper conductor post 24 and lower conductor post 25 contact, electric current is had to pass through, electric energy acquisition unit 321 now in energy harvester 32 detects this current signal, and this signal is sent to after electric energy acquisition unit 321 processing of circuit as shown in Figure 4 in the signal controller 322 in energy harvester 32, then the output of signal controller 322 sends control signal to socket motion controller 33 and outlet electrical controller 34, controls the first switch 331 and second switch 341 closes.Then electromagnet 23 is energized and produces magnetic force, produces magnetic attraction to outstanding iron 22, and meanwhile, second switch 341 closes, then conducting whole socket 21 circuit.Now socket movable body 2 is because outstanding iron 22 is connected with electromagnet 23 adhesive, and user unclamps plug and also can use.When needs pull the plug out of the socket, plug is extracted socket 21, when load cell detects non-loaded signal, transfer the signal to the in the signal controller 322 in energy harvester 32, then the output of signal controller 322 sends control signal to socket motion controller 33 and outlet electrical controller 34, control the first switch 331 and second switch 341 disconnects, then whole socket 21 circuit disconnects.Meanwhile, due to electromagnet 23 power-off, then electromagnet 23 loses the magnetic attraction to outstanding iron 22, then upper conductor post 24 and lower conductor post 25 separately, then, under the elastic force of spring 26, flick by outstanding iron 22 and electromagnet 23, even if when mains switch 35 is closed, be still off-position in socket 21.Control procedure in non-loaded situation is equally applicable to the situation of load surcharge.When not using this safety socket, can disconnecting power switch 35, ensure in whole safety socket without electricity.
Claims (10)
1. a safety socket, the power line comprising jack body (1) and power for described jack body (1), it is characterized in that: described jack body (1) is provided with mobilizable socket movable body (2), described socket movable body (2) has the socket (21) be connected with described power line;
In described socket movable body (2), there is cavity, the inner roof wall of described socket movable body (2) is provided with outstanding iron (22), corresponding to described outstanding iron (22), in described jack body (1), be provided with the electromagnet (23) matched;
The inner roof wall of described socket movable body (2) is also provided with the upper conductor post (24) stretched in jack body (1), corresponding to described upper conductor post (24), lower conductor post (25) is provided with in described jack body (1), described upper conductor post (24) can contact with lower conductor post (25) along with the motion of socket movable body (2), spring (26) is arranged with outside described upper conductor post (24) and lower conductor post (25), one end of described spring (26) is butted on the bottom of described jack body (1), the other end of described spring (26) is butted on the inner roof wall of described socket movable body (2),
Described jack body is also provided with safety control circuit plate in (1), described safety control circuit plate comprises DC power supply (31), energy harvester (32), socket motion controller (33) and outlet electrical controller (34);
Wherein, the output of described DC power supply (31) is connected on described upper conductor post (24) and lower conductor post (25);
Described energy harvester (32) is connected with outlet electrical controller (34) with described DC power supply (31), socket motion controller (33) respectively, described energy harvester (32) is also connected on described upper conductor post (24) or lower conductor post (25), (32) also have load cell to described energy harvester, and described load cell is connected to described socket (21);
Described socket motion controller (33) is connected to described outlet electrical controller (34), described socket motion controller (33) has the first switch (331), and described first switch (331) is connected on described electromagnet (23);
Described outlet electrical controller (34) has second switch (341), and described second switch (341) is connected on the socket (21) that is connected with the live wire of power line.
2. safety socket according to claim 1, it is characterized in that: described jack body (1) is also provided with mains switch (35), described mains switch (35) one end is connected to the live wire of described power line, and the other end is connected to described socket motion controller (33) and described outlet electrical controller (34).
3. safety socket according to claim 2, it is characterized in that: described energy harvester (32) comprises interconnective electric energy acquisition unit (321) and signal controller (322), the input of described electric energy acquisition unit (321) is connected on described upper conductor post (24) and lower conductor post (25), output difference gang socket motion controller (33) of described signal controller (322) and the input of outlet electrical controller (34).
4. safety socket according to claim 3, is characterized in that: described DC power supply (31) is independently DC power supply; Or described DC power supply (31) is the DC power supply circuit be made up of the reduction voltage circuit connected successively (311), rectification circuit (312), voltage stabilizing circuit (313), wherein, input one end of described reduction voltage circuit (311) is connected on the zero line of power line, and the other end is connected on the live wire of power line by mains switch (35).
5. safety socket according to claim 4, it is characterized in that: the input of described electric energy acquisition unit (321) is connected to the output of described rectification circuit (312), and the electrical energy inputs of described signal controller (322) is connected to the output of described voltage stabilizing circuit (313).
6. safety socket according to claim 5, it is characterized in that: described reduction voltage circuit (311) is a transformer (T1), input one end of transformer (T1) is connected on the zero line of power line, and the other end is connected on the live wire of power line by mains switch (35);
Described rectification circuit (312) is by the first diode (D1), second diode (D2), 3rd diode (D3), the single phase bridge type rectifier circu that 4th diode (D4) forms, wherein, the positive pole of the first diode (D1) is connected to the positive pole of the 3rd diode (D3), first diode (D1) negative pole is connected to the positive pole of the second diode (D2), the negative pole of the second diode (D2) is connected to the negative pole of the 4th diode (D4), the negative pole of the 3rd diode (D3) is connected to the positive pole of the 4th diode (D4), the negative pole of the first diode (D1) and the negative pole of the 3rd diode (D3) are connected to the output of transformer (T1),
Described voltage stabilizing circuit (313) comprises the voltage stabilizing chip that model is LM338T, the voltage input end of described voltage stabilizing chip is connected to the negative pole of the second diode (D2) by the first resistance (R1), wherein the first end of the first resistance (R1) is connected with the negative pole of the second diode (D2), second end of the first resistance (R1) is connected with the input of voltage stabilizing chip, the first end of described first resistance (R1) is connected to the positive pole of the first diode (D1) by the first electric capacity (C1), second end of described first resistance (R1) is connected to the positive pole of the first diode (D1) by the second electric capacity (C2), the 6th diode (D6) is connected with between the first end of described first resistance (R1) and the output of voltage stabilizing chip, the positive pole of the 6th diode (D6) is connected to the output of voltage stabilizing chip, the negative pole of the 6th diode (D6) is connected to the first end of the first resistance (R1), the earth terminal of described voltage stabilizing chip is connected to the positive pole of the first diode (D1) by the second resistance (R2), the output of described voltage stabilizing chip and the positive interpolar of the first diode (D1) are also connected in parallel to the 3rd resistance (R3) and the 3rd electric capacity (C3), wherein the positive pole of the 3rd electric capacity (C3) is connected to the output of voltage stabilizing chip, the negative pole of the 3rd electric capacity (C3) is connected to the positive pole of the first diode (D1),
The first end of the first resistance (R1) and the negative pole of the 3rd electric capacity (C3) are connected to the input of electric energy acquisition unit (321), and the output of voltage stabilizing chip is connected to the power input of signal controller (322).
7. safety socket according to claim 6, it is characterized in that: described electric energy acquisition unit (321) is electric energy acquisition circuit, comprise the 4th electric capacity (C4) being connected in rectification circuit (312) output in parallel, 6th resistance (R6), 7th resistance (R7), the wherein positive pole of the 4th electric capacity (C4), 6th resistance (R6) first end, 7th resistance (R7) first end is connected to the negative pole of the second diode (D2), the negative pole of the 4th electric capacity (C4), 6th resistance (R6) second end, 7th resistance (R7) second end is connected to the positive pole of the first diode (D1), also comprise the 4th resistance (R4), 5th resistance (R5), variable 9th resistance (R9) and the 8th resistance (R8), wherein the second end of the 4th resistance (R4) is connected to the first end of the 5th resistance (R5), the first end of the 4th resistance (R4) and the second end of the 5th resistance (R5) are connected to the negative pole of the second diode (D2) and the positive interpolar of the first diode (D1), second end of variable 9th resistance (R9) is connected to the first end of the 8th resistance (R8), first end and second end of the 8th resistance (R8) of variable 9th resistance (R9) are connected the negative pole of the second diode (D2) and the positive interpolar of the first diode (D1) respectively, also comprise voltage stabilizing didoe (D6) and the tenth resistance (R10), wherein the output of voltage stabilizing didoe (D6) is connected to the first end of the 8th resistance (R8), the input of voltage stabilizing didoe (D6) is connected to the first end of the tenth resistance (R10), and the second end of the tenth resistance (R10) is connected to the second end of the 8th resistance (R8),
Described signal controller (322) adopts MPS430 chip;
The first end of described 5th resistance (R5) is connected to an input pin (AD0) of MPS430 chip, and the output of described voltage stabilizing didoe (D6) is connected to another input pin (AD1) of MPS430 chip.
8. safety socket according to claim 7, it is characterized in that: the control circuit described socket motion controller (33) with the first switch (331), comprise the 11 resistance (R11), the first triode (Q1), the first relay (K1) and the 9th diode (D9), wherein the first triode (Q1) is PNP pipe;
The first end of the 11 resistance (R11) is connected to MPS430 chip output pin (P1_0), second end of described 11 resistance (R11) is connected to the base stage of the first triode (Q1), the grounded collector of the first triode (Q1), the emitter of the first triode (Q1) is connected to the first end of the first relay (K1), second end of the first relay (K1) is connected to the output of voltage stabilizing chip, the positive pole of the 9th diode (D9) is connected to the emitter of the first triode (Q1), the negative pole of the 9th diode (D9) is connected to the second end of the first relay (K1), first relay (K1) controls the closed and disconnected of the first switch (331).
9. safety socket according to claim 7, it is characterized in that: the control circuit described outlet electrical controller (34) with second switch (341), comprise the 12 resistance (R12), the second triode (Q2), the second relay (K2) and the 7th diode (D7), wherein the second triode (Q2) is PNP pipe;
The first end of the 12 resistance (R12) is connected to another output pin of MPS430 chip (P1_1), second end of described 12 resistance (R12) is connected to the base stage of the second triode (Q2), the grounded collector of the second triode (Q2), the emitter of the second triode (Q2) is connected to the first end of the second relay (K2), second end of the second relay (K2) is connected to the output of voltage stabilizing chip, the positive pole of the 7th diode (D7) is connected to the emitter of the second triode (Q2), the negative pole of the 7th diode (D7) is connected to the second end of the second relay (K2), second relay (K2) controls the closed and disconnected of second switch (341).
10. the safety socket according to the arbitrary claim of claim 6 ~ 9, is characterized in that: described mains switch (35) and transformer bay are also connected a light-emitting diode (D8).
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| CN201410582312.8A CN104319562B (en) | 2014-10-16 | 2014-10-16 | A kind of safety socket |
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| CN201410582312.8A CN104319562B (en) | 2014-10-16 | 2014-10-16 | A kind of safety socket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039607A (en) * | 2017-12-21 | 2018-05-15 | 浙江帝恒实业有限公司 | A kind of waterproof socket of analog-U shaped bottom opening |
| CN112332142A (en) * | 2020-10-19 | 2021-02-05 | 刘士云 | Photosensitive anti-electric shock socket |
-
2014
- 2014-10-16 CN CN201410582312.8A patent/CN104319562B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039607A (en) * | 2017-12-21 | 2018-05-15 | 浙江帝恒实业有限公司 | A kind of waterproof socket of analog-U shaped bottom opening |
| CN108039607B (en) * | 2017-12-21 | 2019-11-01 | 江苏锡沂高新区科技发展有限公司 | A kind of waterproof socket of analog-U shaped bottom opening |
| CN112332142A (en) * | 2020-10-19 | 2021-02-05 | 刘士云 | Photosensitive anti-electric shock socket |
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|---|---|
| CN104319562B (en) | 2016-10-05 |
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Effective date of registration: 20170612 Address after: 529724 Guangdong city in Jiangmen Province, Heshan City Industrial Zone Yayao Zhen Zhi water Patentee after: HESHAN XINDEAO ELECTRIC CO.,LTD. Address before: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170612 Address after: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 315899 Zhejiang province Ningbo bonded area agriculture building room 582 Patentee before: NINGBO DIYANG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210201 Address after: No.1, Zhishui Industrial Zone, Yayao Town, Heshan City, Jiangmen City, Guangdong Province, 529724 Patentee after: Heshan Dehao New Material Technology Co.,Ltd. Address before: 529724 Zhishui Industrial Zone, Yayao Town, Heshan City, Jiangmen City, Guangdong Province Patentee before: HESHAN XINDEAO ELECTRIC Co.,Ltd. |