CN202094430U - Intelligent and anti-electric shock safety socket - Google Patents
Intelligent and anti-electric shock safety socket Download PDFInfo
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- CN202094430U CN202094430U CN2011202102938U CN201120210293U CN202094430U CN 202094430 U CN202094430 U CN 202094430U CN 2011202102938 U CN2011202102938 U CN 2011202102938U CN 201120210293 U CN201120210293 U CN 201120210293U CN 202094430 U CN202094430 U CN 202094430U
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Abstract
The utility model discloses an intelligent and anti-electric shock safety socket, which comprises a socket body, jacks and a metal insert piece, wherein a safety protection circuit including a control circuit and a power supply circuit is arranged in an inner chamber of the socket. The input end of the control circuit is connected with a key circuit for detecting whether a plug is inserted into a jack or not, and a sensor circuit for detecting the distance between an object inserted into the jack and the outer surface of the socket; the output end of the control circuit is connected with an indicating lamp circuit, and a relay circuit for making and breaking the AC input end and the AC output end; and the key circuit is connected with the metal insert piece. The power supply circuit comprises a lightning prevention circuit, an AC/DC conversion circuit and a voltage-stabilizing circuit all in sequent connection, wherein the input end of the lightning prevention circuit is connected with an AC power supply; the AC/DC conversion circuit is connected with the relay circuit; and the voltage-stabilizing circuit is connected with the key circuit and the sensor circuit. The intelligent and anti-electric shock safety socket provided by the utility model has simple structure, reasonable design, convenience in mounting, safety in use, capability of effectively preventing electric shock, low cost, long service life, and convenience in popularization and use.
Description
Technical field
The utility model relates to a kind of socket, especially relates to a kind of intelligent electric shock-prevention safety socket.
Background technology
Supply socket be our daily life and produce in electrical equipment commonly used patch device, the effect that electrical appliance is connected with power supply is just played in common supply socket, in the use since the attaching plug of plug electrical appliance accidentally or socket damage and the electric shock phenomenon often occurs, after particularly children touch socket, its finger is easy to touch the metal insert in the socket, the accident generation that causes personal injury or shocked by electricity.
Supply socket on the market at present is of a great variety, but major part to have considered the socket of Electrical Safety also only be to be provided with fuse, this socket that has installed fuse additional can only the excessive protection of brownout device electric current, and the electric shock phenomenon is not had protective effect; Also has a kind of socket that has earth leakage protective device that certain cognition degree is arranged; though also be used to solve the electric shock problem; but earth leakage protective is to solve the problem what if of having got an electric shock in the mode of remedying afterwards, can not solve the problem of getting an electric shock of how preventing by the mode that obviate gets an electric shock.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of intelligent electric shock-prevention safety socket at above-mentioned deficiency of the prior art, and it is simple in structure, and is reasonable in design, easy for installation, safe in utilization, can effectively prevent electric shock, the realization cost is low, and long service life is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of intelligent electric shock-prevention safety socket, comprise socket, be arranged on jack that inserts for plug on the socket and the metal insert that is arranged in the jack, it is characterized in that: be provided with safety protective circuit in the described socket inner chamber, described safety protective circuit comprises control circuit, power supply circuits and and control circuit join and be used to detect the object that inserts jack and the sensor circuit of the distance between the socket outer surface, the input termination of described control circuit is used for the key circuit whether test plug inserts jack, the output termination of described control circuit is used for the relay circuit of break-make ac input end and ac output end and is used to indicate the indicator light circuit of this electric shock-prevention safety socket operating state, and described key circuit and metal insert join; Described power supply circuits comprise lightning protection circuit, ac-dc converter circuit and the voltage stabilizing circuit that joins successively, the input termination AC power of described lightning protection circuit, described ac-dc converter circuit and relay circuit join, and described voltage stabilizing circuit and control circuit, key circuit and sensor circuit join.
Above-mentioned a kind of intelligent electric shock-prevention safety socket is characterized in that: described lightning protection circuit is by thermistor RH1, piezo-resistance 7D561, and rectifier diode D1, D2, D7 and D8, polar capacitor C1 and C2, and inductance L 2 constitutes; The end of described thermistor RH1 and the zero line AC-N of AC power join, the end of the other end of described thermistor RH1 and piezo-resistance 7D561, the negative pole of the positive pole of rectifier diode D1 and rectifier diode D8 joins, the negative pole of the negative pole of described rectifier diode D1 and rectifier diode D7, one end of the positive pole of polar capacitor C1 and inductance L 2 joins, the other end of described piezo-resistance 7D561, the anodal of the negative pole of rectifier diode D2 and rectifier diode D7 all joins with the live wire AC-L of AC power, the positive pole of described rectifier diode D8, the positive pole of rectifier diode D2, the equal ground connection of the negative pole of the negative pole of polar capacitor C1 and polar capacitor C2, the positive pole of the other end of described inductance L 2 and polar capacitor C2 are joined and are the output OUT1 of lightning protection circuit.
Above-mentioned a kind of intelligent electric shock-prevention safety socket is characterized in that: described ac-dc converter circuit is by chip LNK304DN, rectifier diode D3 and D4, and resistance R 1, R2 and R15, polarity free capacitor C3, polar capacitor C4 and C10 and inductance L 1 constitute; The pin 4 of described chip LNK304DN joins with the output OUT1 of lightning protection circuit, the pin 1 of described chip LNK304DN joins with the end of polarity free capacitor C3, the pin 2 of described chip LNK304DN joins with an end of resistance R 1 and an end of resistance R 2, the other end of the other end of described polarity free capacitor C3 and resistance R 1, the negative pole of polar capacitor C4, the pin 5 of one end of inductance L 1 and the negative pole of rectifier diode D3 and chip LNK304DN, pin 6, pin 7 and pin 8 join, one end of the other end of described resistance R 2 and resistance R 15 joins, the negative pole of the positive pole of the other end of described resistance R 15 and polar capacitor C4 and rectifier diode D4 joins, the positive pole of the other end of the positive pole of described rectifier diode D4 and inductance L 1 and polar capacitor C10 joins and is the output VCC1 of ac-dc converter circuit, the equal ground connection of negative pole of the positive pole of described rectifier diode D3 and polar capacitor C10.
Above-mentioned a kind of intelligent electric shock-prevention safety socket is characterized in that: described voltage stabilizing circuit is by three terminal regulator 78L05, polarity free capacitor C11 and C13, and polar capacitor C12 constitutes; The pin 3 of described three terminal regulator 78L05 and the end of polarity free capacitor C11 all join with the output VCC1 of ac-dc converter circuit, the end of the pin 1 of described three terminal regulator 78L05 and the positive pole of polar capacitor C12 and polarity free capacitor C13 joins and is the output VCC2 of voltage stabilizing circuit, the equal ground connection of the other end of the pin 2 of the other end of described polarity free capacitor C11, three terminal regulator 78L05, the negative pole of polar capacitor C12 and polarity free capacitor C13.
Above-mentioned a kind of intelligent electric shock-prevention safety socket is characterized in that: described control circuit is by single-chip microcomputer STM8S103F2P6, polarity free capacitor C5, C6 and C7, and resistance R 7 constitutes; The pin 4 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C5 and an end of resistance R 7, the pin 8 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C6, the pin 9 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C7, the pin 9 of described single-chip microcomputer STM8S103F2P6 and the other end of resistance R 7 all join the pin 7 of described single-chip microcomputer STM8S103F2P6 with the output VCC2 of voltage stabilizing circuit, the other end of polarity free capacitor C5, the equal ground connection of the other end of the other end of polarity free capacitor C6 and polarity free capacitor C7.
Above-mentioned a kind of intelligent electric shock-prevention safety socket is characterized in that: described key circuit is by key switch K1 and K2, resistance R 9 and R10, and polarity free capacitor C8 and C9 constitute, described key switch K1 and K2 all join with metal insert; One end of described resistance R 9 and an end of resistance R 10 all join with the output VCC2 of voltage stabilizing circuit, the end of the other end of described resistance R 9 and key switch K1 and the end of polarity free capacitor C8 joins and be the output OUT2 of key circuit, the equal ground connection of the other end of the other end of described key switch K1 and polarity free capacitor C8; The end of the other end of described resistance R 10 and key switch K2 and the end of polarity free capacitor C9 joins and be the output OUT3 of key circuit, the equal ground connection of the other end of the other end of described key switch K2 and polarity free capacitor C9; The output OUT2 of described key circuit and the pin 1 of single-chip microcomputer STM8S103F2P6 join, and the output OUT3 of described key circuit and the pin 2 of single-chip microcomputer STM8S103F2P6 join.
Above-mentioned a kind of intelligent electric shock-prevention safety socket is characterized in that: described sensor electrical route photoelectric sensor ST178, triode Q3 and resistance R 11, R12, R13 and R14 constitute, and described photoelectric sensor ST178 is installed on the outer surface of socket; The pin 1 of described photoelectric sensor ST178 and pin 4 all join with the output VCC2 of voltage stabilizing circuit, the pin 2 of described photoelectric sensor ST178 joins with an end of resistance R 11 and an end of resistance R 14, the other end of the other end of described resistance R 11 and resistance R 14 all joins with the collector electrode of triode Q3, one end of the base stage of described triode Q3 and resistance R 13 joins, the other end of described resistance R 13 is the input IR of sensor circuit, the pin 3 of described photoelectric sensor ST178 joins with an end of resistance R 12 and is the output terminals A DC1 of sensor circuit, the equal ground connection of the other end of the emitter of described triode Q3 and resistance R 12; The input IR of described sensor circuit and the pin 20 of single-chip microcomputer STM8S103F2P6 join, and the pin 19 of the output terminals A DC1 of described sensor circuit and single-chip microcomputer STM8S103F2P6 joins.
Above-mentioned a kind of intelligent electric shock-prevention safety socket is characterized in that: described indicator light circuit is made of LED lamp LED1 and resistance R 4, and described LED lamp LED1 is installed on the outer surface of socket; The positive pole of described LED lamp LED1 and the pin 14 of single-chip microcomputer STM8S103F2P6 join, and the negative pole of described LED lamp LED1 and an end of resistance R 4 join, the other end ground connection of described resistance R 4.
Above-mentioned a kind of intelligent electric shock-prevention safety socket, it is characterized in that: described relay circuit is open type relay S1 and the S2 of HF115F-1H by model, triode Q1 and Q2, resistance R 5 and R6, speed-sensitive switch diode D5 and D6, and fuse FUSE constitutes, one end of described resistance R 5 is the input CTR1 of relay circuit and joins with the pin 15 of single-chip microcomputer STM8S103F2P6, one end of described resistance R 6 is that the input CTR2 of relay circuit and the pin 13 of single-chip microcomputer STM8S103F2P6 join, the other end of the other end of described resistance R 5 and resistance R 6 joins with the base stage of triode Q1 and the base stage of triode Q2 respectively, the equal ground connection of the emitter of the emitter of described triode Q1 and triode Q2, the positive pole of the collector electrode of described triode Q1 and speed-sensitive switch diode D5 and the pin 2 of relay S1 join, the negative pole of described speed-sensitive switch diode D5 and the pin 1 of relay S1 all join with the output VCC1 of ac-dc converter circuit, the pin 4 of described relay S1 and pin 5 all join by the zero line output terminals A C-OUT-N of fuse FUSE and safety socket, the pin 3 of described relay S1 and pin 6 all join with the zero line AC-N of AC power, the positive pole of the collector electrode of described triode Q2 and speed-sensitive switch diode D6 and the pin 2 of relay S2 join, the negative pole of described speed-sensitive switch diode D6 and the pin 1 of relay S2 all join with the output VCC1 of ac-dc converter circuit, the pin 4 of described relay S2 and pin 5 all join with the live wire output terminals A C-OUT-L of safety socket, and the pin 3 of described relay S2 and pin 6 all join with the live wire AC-L of AC power.
The utility model compared with prior art has the following advantages:
1, simple in structure; reasonable in design: the utility model is by being provided with safety protective circuit in the socket inner chamber of common socket; make this safety socket have the function of prevention electric shock in advance; than common socket; the volume of safety socket can not increase, and mounting means can not change, and is simple in structure; reasonable in design, easy for installation.
2, the utility model is under "on" position; each jack is not have electricity before not inserting appliance plug; whether it can the Intelligent Recognition insert be plug; children insert any one hole with metal object or insert any two holes simultaneously and can not get an electric shock; have only L, the N utmost point to insert jack simultaneously when appliance plug; and when sensor circuit detects distance between appliance plug and the socket outer surface and is not more than 5mm; jack just can be switched on; make this utility model have electrocution-proof protection function truly, safe in utilization.
3, realization cost of the present utility model is low, and metal insert adopts the high resiliency phosphor-copper, plug 10,000 ten thousand times not tired, contact is good to be difficult for sparking, load power is big, do not generate heat when guaranteeing wires carry 2500W, good flame resistance, long service life need not frequent replacing.
4, the utility model is fit to have naughty children's family or the public place use that prevention is realized strong family and children ' s activity is arranged, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and is reasonable in design, easy for installation, safe in utilization, can effectively prevent electric shock, realize that cost is low, long service life, solved the existing in prior technology poor stability, the defective and the deficiency of can not obviate getting an electric shock are convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model safety protective circuit.
Fig. 2 is the schematic diagram of the utility model lightning protection circuit.
Fig. 3 is the schematic diagram of the utility model ac-dc converter circuit.
Fig. 4 is the schematic diagram of the utility model voltage stabilizing circuit.
Fig. 5 is the schematic diagram of the utility model control circuit.
Fig. 6 is the schematic diagram of the utility model key circuit.
Fig. 7 is the schematic diagram of the utility model sensor circuit.
Fig. 8 is the schematic diagram of the utility model indicator light circuit.
Fig. 9 is the schematic diagram of the utility model relay circuit.
Description of reference numerals:
The 1-lightning protection circuit; The 2-ac-dc converter circuit; The 3-voltage stabilizing circuit;
The 4-control circuit; The 5-key circuit; The 6-sensor circuit;
The 7-indicator light circuit; The 8-relay circuit; The 9-AC power.
Embodiment
As shown in Figure 1, the utility model comprises socket, be arranged on jack that inserts for plug on the socket and the metal insert that is arranged in the jack, it is characterized in that: be provided with safety protective circuit in the described socket inner chamber, described safety protective circuit comprises control circuit 4, power supply circuits and and control circuit 4 join and be used to detect the object that inserts jack and the sensor circuit 6 of the distance between the socket outer surface, the input termination of described control circuit 4 is used for the key circuit 5 whether test plug inserts jack, the output termination of described control circuit 4 is used for the relay circuit 8 of break-make ac input end and ac output end and is used to indicate the indicator light circuit 7 of this electric shock-prevention safety socket operating state, and described key circuit 5 joins with metal insert; Described power supply circuits comprise lightning protection circuit 1, ac-dc converter circuit 2 and the voltage stabilizing circuit 3 that joins successively, the input termination AC power 9 of described lightning protection circuit 1, described ac-dc converter circuit 2 joins with relay circuit 8, and described voltage stabilizing circuit 3 joins with control circuit 4, key circuit 5 and sensor circuit 6.
As shown in Figure 2, in the present embodiment, described lightning protection circuit 1 is by thermistor RH1, piezo-resistance 7D561, and rectifier diode D1, D2, D7 and D8, polar capacitor C1 and C2, and inductance L 2 constitutes; The end of described thermistor RH1 and the zero line AC-N of AC power 9 join, the end of the other end of described thermistor RH1 and piezo-resistance 7D561, the negative pole of the positive pole of rectifier diode D1 and rectifier diode D8 joins, the negative pole of the negative pole of described rectifier diode D1 and rectifier diode D7, one end of the positive pole of polar capacitor C1 and inductance L 2 joins, the other end of described piezo-resistance 7D561, the anodal of the negative pole of rectifier diode D2 and rectifier diode D7 all joins with the live wire AC-L of AC power 9, the positive pole of described rectifier diode D8, the positive pole of rectifier diode D2, the equal ground connection of the negative pole of the negative pole of polar capacitor C1 and polar capacitor C2, the positive pole of the other end of described inductance L 2 and polar capacitor C2 are joined and are the output OUT1 of lightning protection circuit 1.In the actual use, when thunderbolt and generation high pressure importing AC power 9,1 pair of circuit of lightning protection circuit is protected; When the voltage that is added in piezo-resistance 7D561 two ends surpassed its operating voltage, the resistance of piezo-resistance 7D561 reduced, and made high-pressure energy consumption that thunderbolt produces on piezo-resistance 7D561.
As shown in Figure 3, in the present embodiment, described ac-dc converter circuit 2 is by chip LNK304DN, rectifier diode D3 and D4, resistance R 1, R2 and R15, polarity free capacitor C3, polar capacitor C4 and C10 and inductance L 1 constitute, its effect is the alternating current that AC power 9 is exported to be converted to+output of the voltage of 12V, for voltage stabilizing circuit 3 uses that are connected on its output; The pin 4 of described chip LNK304DN joins with the output OUT1 of lightning protection circuit 1, the pin 1 of described chip LNK304DN joins with the end of polarity free capacitor C3, the pin 2 of described chip LNK304DN joins with an end of resistance R 1 and an end of resistance R 2, the other end of the other end of described polarity free capacitor C3 and resistance R 1, the negative pole of polar capacitor C4, the pin 5 of one end of inductance L 1 and the negative pole of rectifier diode D3 and chip LNK304DN, pin 6, pin 7 and pin 8 join, one end of the other end of described resistance R 2 and resistance R 15 joins, the negative pole of the positive pole of the other end of described resistance R 15 and polar capacitor C4 and rectifier diode D4 joins, the positive pole of the other end of the positive pole of described rectifier diode D4 and inductance L 1 and polar capacitor C10 joins and is the output VCC1 of ac-dc converter circuit 2, the equal ground connection of negative pole of the positive pole of described rectifier diode D3 and polar capacitor C10.
As shown in Figure 4, in the present embodiment, described voltage stabilizing circuit 3 is by three terminal regulator 78L05, polarity free capacitor C11 and C13, and polar capacitor C12 constitutes, its effect be ac-dc converter circuit 2 is exported+voltage transitions of 12V is the voltage of+5V, for control circuit 4, key circuit 5 and sensor circuit 6 uses; The pin 3 of described three terminal regulator 78L05 and the end of polarity free capacitor C11 all join with the output VCC1 of ac-dc converter circuit 2, the end of the pin 1 of described three terminal regulator 78L05 and the positive pole of polar capacitor C12 and polarity free capacitor C13 joins and is the output VCC2 of voltage stabilizing circuit 3, the equal ground connection of the other end of the pin 2 of the other end of described polarity free capacitor C11, three terminal regulator 78L05, the negative pole of polar capacitor C12 and polarity free capacitor C13.
As shown in Figure 5, in the present embodiment, described control circuit 4 is by single-chip microcomputer STM8S103F2P6, polarity free capacitor C5, C6 and C7, and resistance R 7 constitutes; The pin 4 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C5 and an end of resistance R 7, the pin 8 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C6, the pin 9 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C7, the pin 9 of described single-chip microcomputer STM8S103F2P6 and the other end of resistance R 7 all join the pin 7 of described single-chip microcomputer STM8S103F2P6 with the output VCC2 of voltage stabilizing circuit 3, the other end of polarity free capacitor C5, the equal ground connection of the other end of the other end of polarity free capacitor C6 and polarity free capacitor C7.
As shown in Figure 6, in the present embodiment, described key circuit 5 is by key switch K1 and K2, resistance R 9 and R10, and polarity free capacitor C8 and C9 constitute, described key switch K1 and K2 all join with metal insert; One end of described resistance R 9 and an end of resistance R 10 all join with the output VCC2 of voltage stabilizing circuit 3, the end of the other end of described resistance R 9 and key switch K1 and the end of polarity free capacitor C8 joins and be the output OUT2 of key circuit 5, the equal ground connection of the other end of the other end of described key switch K1 and polarity free capacitor C8; The end of the other end of described resistance R 10 and key switch K2 and the end of polarity free capacitor C9 joins and be the output OUT3 of key circuit 5, the equal ground connection of the other end of the other end of described key switch K2 and polarity free capacitor C9; The output OUT2 of described key circuit 5 and the pin 1 of single-chip microcomputer STM8S103F2P6 join, and the output OUT3 of described key circuit and the pin 2 of single-chip microcomputer STM8S103F2P6 join.
As shown in Figure 7, in the present embodiment, described sensor circuit 6 is made of photoelectric sensor ST178, triode Q3 and resistance R 11, R12, R13 and R14, and described photoelectric sensor ST178 is installed on the outer surface of socket; The pin 1 of described photoelectric sensor ST178 and pin 4 all join with the output VCC2 of voltage stabilizing circuit 3, the pin 2 of described photoelectric sensor ST178 joins with an end of resistance R 11 and an end of resistance R 14, the other end of the other end of described resistance R 11 and resistance R 14 all joins with the collector electrode of triode Q3, one end of the base stage of described triode Q3 and resistance R 13 joins, the other end of described resistance R 13 is the input IR of sensor circuit 6, the pin 3 of described photoelectric sensor ST178 joins with an end of resistance R 12 and is the output terminals A DC1 of sensor circuit 6, the equal ground connection of the other end of the emitter of described triode Q3 and resistance R 12; The input IR of described sensor circuit 6 and the pin 20 of single-chip microcomputer STM8S103F2P6 join, and single-chip microcomputer STM8S103F2P6 control triode Q3 is in open mode, and then control photoelectric sensor ST178 is in operating state; The pin 19 of the output terminals A DC1 of described sensor circuit 6 and single-chip microcomputer STM8S103F2P6 joins, and is used to receive the detected signal of photoelectric sensor ST178.
As shown in Figure 8, in the present embodiment, described indicator light circuit 7 is made of LED lamp LED1 and resistance R 4, and described LED lamp LED1 is installed on the outer surface of socket; The positive pole of described LED lamp LED1 and the pin 14 of single-chip microcomputer STM8S103F2P6 join, and the negative pole of described LED lamp LED1 and an end of resistance R 4 join, the other end ground connection of described resistance R 4.
As shown in Figure 9, in the present embodiment, described relay circuit 8 is open type relay S1 and the S2 of HF115F-1H by model, triode Q1 and Q2, resistance R 5 and R6, speed-sensitive switch diode D5 and D6, and fuse FUSE constitutes, one end of described resistance R 5 is the input CTR1 of relay circuit 8 and joins with the pin 15 of single-chip microcomputer STM8S103F2P6, one end of described resistance R 6 is the input CTR2 of relay circuit 8 and joins with the pin 13 of single-chip microcomputer STM8S103F2P6, the other end of the other end of described resistance R 5 and resistance R 6 joins with the base stage of triode Q1 and the base stage of triode Q2 respectively, the equal ground connection of the emitter of the emitter of described triode Q1 and triode Q2, the positive pole of the collector electrode of described triode Q1 and speed-sensitive switch diode D5 and the pin 2 of relay S1 join, the negative pole of described speed-sensitive switch diode D5 and the pin 1 of relay S1 all join with the output VCC1 of ac-dc converter circuit 2, the pin 4 of described relay S1 and pin 5 all join by the zero line output terminals A C-OUT-N of fuse FUSE and safety socket, the pin 3 of described relay S1 and pin 6 all join with the zero line AC-N of AC power 9, the positive pole of the collector electrode of described triode Q2 and speed-sensitive switch diode D6 and the pin 2 of relay S2 join, the negative pole of described speed-sensitive switch diode D6 and the pin 1 of relay S2 all join with the output VCC1 of ac-dc converter circuit 2, the pin 4 of described relay S2 and pin 5 all join with the live wire output terminals A C-OUT-L of safety socket, and the pin 3 of described relay S2 and pin 6 all join with the live wire AC-L of AC power 9.
The operation principle of the present utility model and the course of work are: when not inserting appliance plug in the jack, relay S1 and S2 in the safety socket are in off-state, not energising in the safety socket; When the L of the appliance plug utmost point and the N utmost point insert the jack of the jack of the L utmost point and the N utmost point simultaneously, metal insert in the L utmost point jack and the metal insert in the N utmost point jack are pressed, metal insert touches key switch K1 and K2 closure, simultaneously, photoelectric sensor ST178 in the sensor circuit 6 detects the distance between appliance plug and the socket outer surface, when photoelectric sensor ST178 detects distance between appliance plug and the socket outer surface and is not more than 5mm, control circuit 4 output control signals are given relay circuit 8, make relay S1 and S2 closure, ac input end and ac output end are connected, be that the live wire AC-L of AC power 9 and the live wire output terminals A C-OUT-L of safety socket connect, the zero line output terminals A C-OUT-N of the zero line AC-N of AC power 9 and safety socket connects, the safety socket energising, the LED lamp LED1 that control circuit 4 controls simultaneously are installed on the socket outer surface lights, and the expression safety socket enters operating state.Under other situations, when inserting other objects in the jack and make the closed and distance of inserting object distance socket outer surface of key switch K1 and K2 greater than 5mm, photoelectric sensor ST178 does not respond Continuity signal, the safety socket no power; When object was not more than 5mm near photoelectric sensor ST178, photoelectric sensor ST178 was to answering Continuity signal, and when not inserting object in the jack and making key switch K1 and K2 closed, safety socket is no power also.In a word, safety socket work has three conditions: key switch K1 and K2 are closed simultaneously, and the distance of inserting object distance photoelectric sensor ST178 is not more than 5mm; So children insert any one hole with metal object or insert any two holes simultaneously and can not get an electric shock; have only L, the N utmost point to insert jack simultaneously when appliance plug; and when sensor circuit detects distance between appliance plug and the socket outer surface and is not more than 5mm; jack just can be switched on; make this utility model have electrocution-proof protection function truly, safe in utilization.
In addition, metal insert in the utility model adopts the high resiliency phosphor-copper, plug 10,000 ten thousand times not tired, contact is good to be difficult for sparking; Load power is big, does not generate heat when guaranteeing wires carry 2500W; Good flame resistance, 750 ℃ scorching hot does not burn; Long service life need not frequent replacing.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (9)
1. intelligent electric shock-prevention safety socket, comprise socket, be arranged on jack that inserts for plug on the socket and the metal insert that is arranged in the jack, it is characterized in that: be provided with safety protective circuit in the described socket inner chamber, described safety protective circuit comprises control circuit (4), power supply circuits and and control circuit (4) join and be used to detect the object that inserts jack and the sensor circuit (6) of the distance between the socket outer surface, the input termination of described control circuit (4) is used for test plug and whether inserts the key circuit of jack (5), the output termination of described control circuit (4) is used for the relay circuit (8) of break-make ac input end and ac output end and is used to indicate the indicator light circuit (7) of this electric shock-prevention safety socket operating state, and described key circuit (5) joins with metal insert; Described power supply circuits comprise lightning protection circuit (1), ac-dc converter circuit (2) and the voltage stabilizing circuit (3) that joins successively, the input termination AC power (9) of described lightning protection circuit (1), described ac-dc converter circuit (2) joins with relay circuit (8), and described voltage stabilizing circuit (3) joins with control circuit (4), key circuit (5) and sensor circuit (6).
2. according to the described a kind of intelligent electric shock-prevention safety socket of claim 1, it is characterized in that: described lightning protection circuit (1) is by thermistor RH1, piezo-resistance 7D561, and rectifier diode D1, D2, D7 and D8, polar capacitor C1 and C2, and inductance L 2 constitutes; The zero line AC-N of the end of described thermistor RH1 and AC power (9) joins, the end of the other end of described thermistor RH1 and piezo-resistance 7D561, the negative pole of the positive pole of rectifier diode D1 and rectifier diode D8 joins, the negative pole of the negative pole of described rectifier diode D1 and rectifier diode D7, one end of the positive pole of polar capacitor C1 and inductance L 2 joins, the other end of described piezo-resistance 7D561, the anodal of the negative pole of rectifier diode D2 and rectifier diode D7 all joins with the live wire AC-L of AC power (9), the positive pole of described rectifier diode D8, the positive pole of rectifier diode D2, the equal ground connection of the negative pole of the negative pole of polar capacitor C1 and polar capacitor C2, the positive pole of the other end of described inductance L 2 and polar capacitor C2 are joined and are the output OUT1 of lightning protection circuit (1).
3. according to the described a kind of intelligent electric shock-prevention safety socket of claim 2, it is characterized in that: described ac-dc converter circuit (2) is by chip LNK304DN, rectifier diode D3 and D4, resistance R 1, R2 and R15, polarity free capacitor C3, polar capacitor C4 and C10 and inductance L 1 constitute; The pin 4 of described chip LNK304DN joins with the output OUT1 of lightning protection circuit (1), the pin 1 of described chip LNK304DN joins with the end of polarity free capacitor C3, the pin 2 of described chip LNK304DN joins with an end of resistance R 1 and an end of resistance R 2, the other end of the other end of described polarity free capacitor C3 and resistance R 1, the negative pole of polar capacitor C4, the pin 5 of one end of inductance L 1 and the negative pole of rectifier diode D3 and chip LNK304DN, pin 6, pin 7 and pin 8 join, one end of the other end of described resistance R 2 and resistance R 15 joins, the negative pole of the positive pole of the other end of described resistance R 15 and polar capacitor C4 and rectifier diode D4 joins, the positive pole of the other end of the positive pole of described rectifier diode D4 and inductance L 1 and polar capacitor C10 joins and is the output VCC1 of ac-dc converter circuit (2), the equal ground connection of negative pole of the positive pole of described rectifier diode D 3 and polar capacitor C10.
4. according to the described a kind of intelligent electric shock-prevention safety socket of claim 3, it is characterized in that: described voltage stabilizing circuit (3) is by three terminal regulator 78L05, polarity free capacitor C11 and C13, and polar capacitor C12 constitutes; The pin 3 of described three terminal regulator 78L05 and the end of polarity free capacitor C11 all join with the output VCC1 of ac-dc converter circuit (2), the end of the pin 1 of described three terminal regulator 78L05 and the positive pole of polar capacitor C12 and polarity free capacitor C13 joins and is the output VCC2 of voltage stabilizing circuit (3), the equal ground connection of the other end of the pin 2 of the other end of described polarity free capacitor C11, three terminal regulator 78L05, the negative pole of polar capacitor C12 and polarity free capacitor C13.
5. according to the described a kind of intelligent electric shock-prevention safety socket of claim 4, it is characterized in that: described control circuit (4) is by single-chip microcomputer STM8S103F2P6, polarity free capacitor C5, C6 and C7, and resistance R 7 constitutes; The pin 4 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C5 and an end of resistance R 7, the pin 8 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C6, the pin 9 of described single-chip microcomputer STM8S103F2P6 joins with the end of polarity free capacitor C7, the pin 9 of described single-chip microcomputer STM8S103F2P6 and the other end of resistance R 7 all join the pin 7 of described single-chip microcomputer STM8S103F2P6 with the output VCC2 of voltage stabilizing circuit (3), the other end of polarity free capacitor C5, the equal ground connection of the other end of the other end of polarity free capacitor C6 and polarity free capacitor C7.
6. according to the described a kind of intelligent electric shock-prevention safety socket of claim 5, it is characterized in that: described key circuit (5) is by key switch K1 and K2, resistance R 9 and R10, and polarity free capacitor C8 and C9 formation, described key switch K1 and K2 all join with metal insert; One end of described resistance R 9 and an end of resistance R 10 all join with the output VCC2 of voltage stabilizing circuit (3), the end of the other end of described resistance R 9 and key switch K1 and the end of polarity free capacitor C8 joins and be the output OUT2 of key circuit (5), the equal ground connection of the other end of the other end of described key switch K1 and polarity free capacitor C8; The end of the other end of described resistance R 10 and key switch K2 and the end of polarity free capacitor C9 joins and be the output 0UT3 of key circuit (5), the equal ground connection of the other end of the other end of described key switch K2 and polarity free capacitor C9; The output OUT2 of described key circuit (5) and the pin 1 of single-chip microcomputer STM8S103F2P6 join, and the output OUT3 of described key circuit and the pin 2 of single-chip microcomputer STM8S103F2P6 join.
7. according to the described a kind of intelligent electric shock-prevention safety socket of claim 5, it is characterized in that: described sensor circuit (6) is made of photoelectric sensor ST178, triode Q3 and resistance R 11, R12, R13 and R14, and described photoelectric sensor ST178 is installed on the outer surface of socket; The pin 1 of described photoelectric sensor ST178 and pin 4 all join with the output VCC2 of voltage stabilizing circuit (3), the pin 2 of described photoelectric sensor ST178 joins with an end of resistance R 11 and an end of resistance R 14, the other end of the other end of described resistance R 11 and resistance R 14 all joins with the collector electrode of triode Q3, one end of the base stage of described triode Q3 and resistance R 13 joins, the other end of described resistance R 13 is the input IR of sensor circuit (6), the pin 3 of described photoelectric sensor ST178 joins with an end of resistance R 12 and is the output terminals A DC1 of sensor circuit (6), the equal ground connection of the other end of the emitter of described triode Q3 and resistance R 12; The input IR of described sensor circuit (6) and the pin 20 of single-chip microcomputer STM8S103F2P6 join, and the output terminals A DC1 of described sensor circuit (6) and the pin 19 of single-chip microcomputer STM8S103F2P6 join.
8. according to the described a kind of intelligent electric shock-prevention safety socket of claim 5, it is characterized in that: described indicator light circuit (7) is made of LED lamp LED1 and resistance R 4, and described LED lamp LED1 is installed on the outer surface of socket; The positive pole of described LED lamp LED1 and the pin 14 of single-chip microcomputer STM8S103F2P6 join, and the negative pole of described LED lamp LED1 and an end of resistance R 4 join, the other end ground connection of described resistance R 4.
9. according to the described a kind of intelligent electric shock-prevention safety socket of claim 5, it is characterized in that: described relay circuit (8) is open type relay S1 and the S2 of HF115F-1H by model, triode Q1 and Q2, resistance R 5 and R6, speed-sensitive switch diode D5 and D6, and fuse FUSE constitutes, one end of described resistance R 5 is the input CTR1 of relay circuit (8) and joins with the pin 15 of single-chip microcomputer STM8S103F2P6, one end of described resistance R 6 is that the input CTR2 of relay circuit (8) and the pin 13 of single-chip microcomputer STM8S103F2P6 join, the other end of the other end of described resistance R 5 and resistance R 6 joins with the base stage of triode Q1 and the base stage of triode Q2 respectively, the equal ground connection of the emitter of the emitter of described triode Q1 and triode Q2, the positive pole of the collector electrode of described triode Q1 and speed-sensitive switch diode D5 and the pin 2 of relay S1 join, the negative pole of described speed-sensitive switch diode D5 and the pin 1 of relay S1 all join with the output VCC1 of ac-dc converter circuit (2), the pin 4 of described relay S1 and pin 5 all join by the zero line output terminals A C-OUT-N of fuse FUSE and safety socket, the pin 3 of described relay S1 and pin 6 all join with the zero line AC-N of AC power (9), the positive pole of the collector electrode of described triode Q2 and speed-sensitive switch diode D6 and the pin 2 of relay S2 join, the negative pole of described speed-sensitive switch diode D6 and the pin 1 of relay S2 all join with the output VCC1 of ac-dc converter circuit (2), the pin 4 of described relay S2 and pin 5 all join with the live wire output terminals A C-OUT-L of safety socket, and the pin 3 of described relay S2 and pin 6 all join with the live wire AC-L of AC power (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202102938U CN202094430U (en) | 2011-06-17 | 2011-06-17 | Intelligent and anti-electric shock safety socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202102938U CN202094430U (en) | 2011-06-17 | 2011-06-17 | Intelligent and anti-electric shock safety socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094430U true CN202094430U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202102938U Expired - Fee Related CN202094430U (en) | 2011-06-17 | 2011-06-17 | Intelligent and anti-electric shock safety socket |
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| Country | Link |
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| CN (1) | CN202094430U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236613A (en) * | 2013-04-19 | 2013-08-07 | 无锡市崇安区科技创业服务中心 | Power socket |
| CN104218619A (en) * | 2014-09-15 | 2014-12-17 | 深圳市福瑞康电子有限公司 | Intelligent power supply device |
| CN104993322A (en) * | 2015-07-08 | 2015-10-21 | 杭州木梢科技有限公司 | Intelligent safe socket and safe power utilization method realized by same |
| CN105393290A (en) * | 2013-04-30 | 2016-03-09 | M·F·里维拉 | Multipurpose wall outlet |
| CN105870687A (en) * | 2015-01-21 | 2016-08-17 | 苏州鑫来科技有限公司 | Power socket having plug detection function |
| CN106849042A (en) * | 2015-09-22 | 2017-06-13 | 黄进祥 | Surge suppression and overcurrent protection device |
| CN106936029A (en) * | 2017-04-12 | 2017-07-07 | 汪智伟 | A kind of electrical source socket and its electric operation control circuit figure |
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2011
- 2011-06-17 CN CN2011202102938U patent/CN202094430U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236613A (en) * | 2013-04-19 | 2013-08-07 | 无锡市崇安区科技创业服务中心 | Power socket |
| CN105393290A (en) * | 2013-04-30 | 2016-03-09 | M·F·里维拉 | Multipurpose wall outlet |
| CN104218619A (en) * | 2014-09-15 | 2014-12-17 | 深圳市福瑞康电子有限公司 | Intelligent power supply device |
| CN105870687A (en) * | 2015-01-21 | 2016-08-17 | 苏州鑫来科技有限公司 | Power socket having plug detection function |
| CN105870687B (en) * | 2015-01-21 | 2018-04-27 | 苏州鑫来科技有限公司 | A kind of power outlet with plug detection function |
| CN104993322A (en) * | 2015-07-08 | 2015-10-21 | 杭州木梢科技有限公司 | Intelligent safe socket and safe power utilization method realized by same |
| CN106849042A (en) * | 2015-09-22 | 2017-06-13 | 黄进祥 | Surge suppression and overcurrent protection device |
| CN106936029A (en) * | 2017-04-12 | 2017-07-07 | 汪智伟 | A kind of electrical source socket and its electric operation control circuit figure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN QIAOHUI ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIN SONG Effective date: 20121010 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121010 Address after: 350300 Fujian city of Fuqing Province Yang Street Shengdi Bridge No. 6 Patentee after: Fujian Qiaohui Electronic Technology Co.,Ltd. Address before: 350300, Fujian, Fuzhou province Fuqing city town of Finance Bridge Street No. 16 Patentee before: Lin Song |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent and anti-electric shock safety socket Effective date of registration: 20131213 Granted publication date: 20111228 Pledgee: Bank of China Limited by Share Ltd Fuqing branch Pledgor: Fujian Qiaohui Electronic Technology Co.,Ltd. Registration number: 2013990000970 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150520 Granted publication date: 20111228 Pledgee: Bank of China Limited by Share Ltd Fuqing branch Pledgor: Fujian Qiaohui Electronic Technology Co.,Ltd. Registration number: 2013990000970 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent and anti-electric shock safety socket Effective date of registration: 20150617 Granted publication date: 20111228 Pledgee: China bank Limited by Share Ltd Fuzhou Jinan Branch Pledgor: Fujian Qiaohui Electronic Technology Co.,Ltd. Registration number: 2015350000012 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20160617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |