CN203119212U - Human body induction energy-saving anti-electric-shock socket - Google Patents

Human body induction energy-saving anti-electric-shock socket Download PDF

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Publication number
CN203119212U
CN203119212U CN 201220455880 CN201220455880U CN203119212U CN 203119212 U CN203119212 U CN 203119212U CN 201220455880 CN201220455880 CN 201220455880 CN 201220455880 U CN201220455880 U CN 201220455880U CN 203119212 U CN203119212 U CN 203119212U
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CN
China
Prior art keywords
circuit
human body
body induction
relay
insertion hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220455880
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Chinese (zh)
Inventor
蒋海波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN AOMENG ELECTRICITY CO Ltd
Original Assignee
HUNAN AOMENG ELECTRICITY CO Ltd
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Filing date
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Priority to CN 201220455880 priority Critical patent/CN203119212U/en
Application granted granted Critical
Publication of CN203119212U publication Critical patent/CN203119212U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a human body induction energy-saving anti-electric-shock socket which comprises a housing and a jack set. The human body induction energy-saving anti-electric-shock socket is internally provided with a human body induction circuit, a detection switch, a delayed triggering silicon controlled rectifier energy-saving relay drive circuit and a power supply circuit. The delayed triggering silicon controlled rectifier energy-saving relay drive circuit comprises a silicon controlled rectifier. The silicon controlled rectifier is connected with and drives one to n relays through an isolating diode. The control electrode of the silicon controlled rectifier is connected with a delayed trigger circuit. The cathode of the silicon controlled rectifier is grounded, and the anode is connected with the cathodes of one to n isolating diodes through a buffer insurance resistor and is connected with one end of each winding of one to n relays through a detection switch. The other end of each winding of one to n isolating diodes is connected with a live line of commercial power. A freewheeling diode is connected in parallel with two ends of each winding of the one to n relays. One end of each winding of the relays, which is connected with the anode of the isolating diode, is also connected with a capacitance throttling holding circuit. When the jack set of the human body induction energy-saving anti-electric-shock socket is energized, operation current of the relay is 1/5-1/10 of the rated current, and the electric energy can be greatly saved.

Description

The human body induction energy saving anti-electric shock socket
Technical field
The utility model relates to technical field of electricity, relates in particular to a kind of human body induction energy saving anti-electric shock socket.
Background technology
Socket is electrical connection indispensable in modern's productive life.Existing socket is that the electrode contact blade in the socket directly is connected with power line mostly, and the plug by electrical equipment directly contacts the purpose that reaches the connection power supply with electrode contact blade in use.This socket is directly or indirectly run into by staff easily because electrode contact blade is charged all the time, causes electric shock accidents.In addition, if with conductor socket is mispluged, that also is easy to cause electric shock accidents.Therefore, the security performance of existing socket has much room for improvement mostly.In addition; though also there are some to have the safety protection function socket on the market; be the electric shock preventing socket circuit of CN101859964A and the intelligent electric-shock protection socket based on infrared detection that the patent No. is CN101752749A as the patent No.; but it is complex structure often; adopt Single Chip Microcomputer (SCM) system cost height; oneself power consumption is big, thereby does not meet the environmental requirement of current green energy conservation.
In summary, existing anti-electric shock socket obviously exists inconvenience and defective, so be necessary to be improved on reality is used.
The utility model content
At above-mentioned defective, the purpose of this utility model is to provide a kind of human body induction energy saving anti-electric shock socket, and its circuit structure is simple, can save electric energy, and has higher fail safe.
To achieve these goals, the utility model provides a kind of human body induction energy saving anti-electric shock socket, comprise housing and the insertion hole groups of being located at housing, described insertion hole groups comprises the firewire jack that connects live wire and the zero line jack that is connected zero line at least, described socket also comprises for detection of the body induction circuit that whether has human body to exist around the described socket, for detection of the sense switch that has or not plug to insert in the described insertion hole groups, be used for triggering controllable silicon energy-saving relay drive circuit according to the delay that described human body exists information and plug insertion information to control described insertion hole groups break-make power supply, and the power circuit that is used for providing power supply, when described body induction circuit do not detect described insertion hole groups around human body arranged, and described sense switch detects when having plug to insert in described firewire jack and the zero line jack simultaneously, described insertion hole groups is connected power supply through scheduled delay, described delay triggers controllable silicon energy-saving relay drive circuit and comprises a controllable silicon, and described controllable silicon connects driving one to n relay (n is the integer greater than 1) through isolating diode;
Described delay triggers in the controllable silicon energy-saving relay drive circuit, the SCR control utmost point is connected with the delay circuits for triggering, described silicon controlled minus earth, anode through buffering insurance resistance connect one to n described isolating diode negative pole and after testing switch be connected to winding one end of corresponding described one to n relay, another termination civil power live wire of described relay winding, and described relay winding two ends are parallel with the fly-wheel diode that a negative pole connects the civil power live wire;
The described relay winding anodal end of switch connection isolating diode after testing also is connected to electric capacity throttling holding circuit.
According to human body induction energy saving anti-electric shock socket of the present utility model, described body induction circuit comprises the infrared amplifying circuit of a great distance, the infrared amplifying circuit of a described great distance is made up of two-stage amplifying circuit and one-level comparison circuit that LM324 four high guaily unit IC constitutes, and the input of described far infrared amplifying circuit connects one to n infrared probe through electric capacity.
According to human body induction energy saving anti-electric shock socket of the present utility model, second level amplifier in is useful on the decoupling capacitance that anti-high-frequency self-excitation vibrates indirectly with ground.
According to human body induction energy saving anti-electric shock socket of the present utility model, the output of described comparison circuit is useful on the bleeder resistance of eliminating the accumulation of spike disturbing pulse voltage indirectly with ground.
According to human body induction energy saving anti-electric shock socket of the present utility model, have in the power supply circuits of described far infrared probe for anti-power supply and scurry into the LC filter circuit of interference.
According to human body induction energy saving anti-electric shock socket of the present utility model, described delay triggers in the controllable silicon energy-saving relay drive circuit, and the power supply of described delay circuits for triggering is by civil power switch and provide with the normally closed fixed contact that moving contact in the group relay connects one group of switch of civil power live wire after testing.
The utility model by whether human body is arranged around the body induction circuit test socket exists, and insertion hole groups has sense switch, the plug that can detect firewire jack and zero line jack simultaneously inserts information, not having human body around socket exists, and when two jacks of insertion hole groups all have plug to insert, just connect power supply by postponing to trigger controllable silicon energy-saving relay drive circuit through scheduled delay, better, controllable silicon energy-saving relay drive circuit only drives a plurality of relay work with a controllable silicon through isolating diode, circuit structure is simple, and cost is lower.When no plug inserts, postponing circuits for triggering does not partly have, guarantee not false triggering of controllable silicon, and relay is in case drive, its normally closed fixed contact namely cuts off the power supply, the circuits for triggering on this road and controllable silicon drive circuit are not just worked, thereby reduced power consumption, electric capacity throttling holding circuit makes the operating current of relay only be 1/5~1/10 of rated current, in the fail safe that has guaranteed socket, also significantly saved electric energy, and cut off sensitive prime circuits for triggering during owing to work, thereby had preferable interference free performance, improved the reliability of work.
Description of drawings
Fig. 1 is human body induction energy saving anti-electric shock socket principle assumption diagram of the present utility model;
Fig. 2 is the external structure of human body induction energy saving anti-electric shock socket one embodiment of the present utility model;
Fig. 3 is the physical circuit figure of human body induction energy saving anti-electric shock socket one embodiment of the present utility model;
Fig. 4 A is partial circuit diagram embodiment illustrated in fig. 3;
Fig. 4 B is the partial circuit diagram of another embodiment of the utility model;
Fig. 5 A is another partial circuit diagram embodiment illustrated in fig. 3;
Fig. 5 B is the partial circuit diagram of another embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of human body induction energy saving anti-electric shock socket 100, the insertion hole groups 40 that it has a housing and is located at housing, and insertion hole groups 40 comprises the firewire jack 60 that connects live wire, zero line jack 70 and the ground wire jack 80 that connects zero line, and the circuit structure of energy-saving electric shock-proof socket comprises:
Body induction circuit 10, whether for detection of there being human body to exist around the socket 100, these body induction circuit 10 preferred pyroelectricity far infrared human sensor circuits that adopt also can be static or high-frequency induction circuit.
Sense switch 20, for detection of whether there being plug to insert in the insertion hole groups 40, in the utility model, each corresponding sense switch 20 of firewire jack and zero line jack.
Postpone to trigger controllable silicon energy-saving relay drive circuit 30, be used for existing according to human body the break-make of plug insertion information control insertion hole groups 40 power supplys of information and insertion hole groups 40.Do not have human body when body induction circuit 10 detects around the socket, and when all having plug to insert in two jacks of insertion hole groups 40, postpone to trigger controllable silicon energy-saving relay drive circuit 30 is connected insertion hole groups 40 through scheduled delay power supply.
Power circuit 50 is used to each circuit that working power is provided, and this power module connects live wire and zero line, and civil power is carried out being transported to each operating circuit after step-down is handled.
Fig. 3 is the embodiment circuit structure diagram of four groups of sockets of the utility model, among this embodiment, postponing to trigger controllable silicon energy-saving relay drive circuit 30 comprises a controllable silicon SCR, postpones circuits for triggering and four tunnel insertion hole groups circuit, the corresponding insertion hole groups 40 of every road insertion hole groups circuit, be example with first via insertion hole groups circuit, it comprises a relay J 1, an isolating diode D12, a described sense switch SW1 ' and the energy-conservation holding circuit that is made of capacitor C 21 and bleeder resistance R23; Controllable silicon SCR connects and drives the relay J 1~J4 of four tunnel insertion hole groups circuit.Need illustrate that the way of insertion hole groups circuit is to decide according to the quantity of insertion hole groups, the corresponding insertion hole groups circuit of each insertion hole groups, in addition, the SW1 ' in the circuit~SW4 ' is the zero line jack sense switch of each insertion hole groups, SW1~SW4 is the firewire jack sense switch.
Again in conjunction with Fig. 5 A, controllable silicon SCR has the control utmost point, negative electrode and anode, its control utmost point connection delay circuits for triggering, this postpones circuits for triggering by current-limiting resistance R14, short time delay capacitor C 10, triode Q1, and base resistance R15, collector resistance R17, the LED light-emitting diode D3 that is connected in series in the collector loop, rectifier diode D8, long delay capacitor C 17, snowslide trigger tube Q2, isolating diode D7, current-limiting resistance R20, eliminate the resistance R 22 of disturbing pulse false triggering, capacitor C 20, and composition such as sense switch SW1~SW4, and these delay circuits for triggering are connected to the comparator output terminal of the body induction circuit 10 of prime.
The minus earth of controllable silicon SCR, the anode of controllable silicon SCR through buffering insurance resistance R 21 be connected to four isolating diode D12 negative poles and after testing switch SW 1 '~SW 4 ' is connected to winding one end of four corresponding relay J 1~J4, another termination civil power live wire L end of these four relay J 1~J4 windings, and the winding two ends are parallel with the sustained diode 11 that a negative pole connects civil power live wire L end.The winding of four relays also is connected to electric capacity throttling holding circuit through the positive terminal that separately sense switch 20 connects isolating diode D12, this electric capacity throttling holding circuit is composed in parallel by bleeder resistance R23 and current limiting capacitance C21, the other end of electric capacity throttling holding circuit be connected in corresponding relay moving contact connect civil power zero line N on the same group switch often open fixed contact.
Relay J 1 has normally closed fixed contact, often open fixed contact and moving contact, in the practical application, make the SW1 closure if there is plug to insert in the jack of sense switch SW1 correspondence, and pyroelectricity far infrared human sensor circuit 10 does not detect when human body being arranged around the described insertion hole groups, this circuit comparator output D1, the D2 place is low level, C10 is through R14 and R16 and R15, Q1 ends after the Q1 base-emitter discharge time-delay short time, electric main is connect the normally closed fixed contact of one group of switch of civil power live wire L by moving contact in the relay J 1, sense switch SW1, after D8 rectification and R17 current limliting, charge to C17, when current potential on it rises to the Q2 avalanche voltage, Q2 punctures, C17 is through Q2, D7, R20 triggers controllable silicon SCR, the SCR conducting, relay J 1 starts, it often opens the fixed contact closure, after J1 starts, its moving contact that connects live wire L cuts off the delay circuits for triggering power supply of controllable silicon SCR, the moving contact that connects ground wire N is connected the electric capacity throttling holding circuit of being made up of current limiting capacitance C21 and bleeder resistance R23, make its operating current only be 1/5~1/10 of rated value, the relay operating current is significantly reduced, saved electric energy.
Because after relay J 1 starts, cut off the triggering power supply of controllable silicon SCR, connected simultaneously electric capacity throttling holding circuit again, relay J 1 is only kept work by electric capacity throttling holding circuit, also just cut off all interference signals that sensitive preamplifying circuit may bring the final stage relay, thereby improved the stability of system works greatly.
Current limiting capacitance C21 switch SW 1 ' provide relay J 1 after testing keeps electric current, while relay J 1 connects the live wire of first insertion hole groups and two groups of zero line are often opened the fixed contact closure, the power connection of first insertion hole groups, the indicator light circuit that is connected in parallel on this moment on the first insertion hole groups live wire and the zero line is connected, and corresponding indicator light D10 is bright.Make the SW2 closure if there is plug to insert in the jack of sense switch SW2 correspondence, postponing circuits for triggering gets, if when not having the human body activity around the insertion hole groups, after corresponding delay, trigger controllable silicon SCR again, relay J 2 is started and maintenance, thereby make the second insertion hole groups power connection, corresponding indicator light is also lighted.The present invention is also identical for the control of SW3 and SW4, so do not repeat them here.
Need illustrate that Fig. 5 A illustrated embodiment is four tunnel insertion hole groups circuit of corresponding four relay J 1~J4, but the quantity of relay is not limited thereto.Referring to Fig. 5 B, controllable silicon SCR in the utility model can connect driving one to n relay (n is the integer greater than 1) through isolating diode, correspond to the n spring hole scoket simultaneously, its corresponding infrared human body sensor circuit 10 also correspondence has n infrared probe, shown in Fig. 4 B, make the utility model can pass through the relay work of a plurality of insertion hole groups of SCR control whereby.
In concrete the application, after if the plug of first insertion hole groups is pulled out, sense switch SW1 ' disconnection, the outage of relay J 1 winding, connect the live wire of first insertion hole groups and two groups of zero line and often open the fixed contact disconnection, the outage of first insertion hole groups, the plug of other insertion hole groups is also had identical control procedure after pulling out.
Referring to Fig. 4 A, pyroelectricity far infrared human sensor circuit 10 comprises the individual infrared probe of the infrared amplifying circuit of a great distance and to n (n is the integer greater than 1) again, and each infrared probe is connected to this far infrared input amplifier through electric capacity.Corresponding embodiment shown in Figure 3 has adopted the structure of four infrared probes, shown in Fig. 4 A in the present embodiment.
Concrete, the far infrared amplifying circuit comprises two-stage amplifying circuit and the one-level comparison circuit that is made of LM324 four high guaily unit IC, characteristics are the decoupling capacitance C* that are connected to anti-high-frequency self-excitation vibration between second level amplifier in and ground.
Be connected to bleeder resistance R16 between the output of comparison circuit and ground, be used for eliminating the accumulation of spike disturbing pulse voltage.
Have the LC filter circuit that is constituted by L1, C3, C4 in the far infrared probe power supply circuits, can prevent the interference of being scurried into by power supply whereby.
Again referring to Fig. 5, postpone to trigger among this embodiment in the controllable silicon energy-saving relay drive circuit 30, the power supply that postpones circuits for triggering part switch SW 1~SW4 and moving contact connects one group of switch of civil power live wire L among relay J 1~J4 on the same group normally closed fixed contact thereof is after testing provided by civil power.
After J1 started, its normally closed fixed contact had disconnected the triggering power supply of controllable silicon SCR, has cut off the interference signal that preamplifying circuit brings, and had also avoided long delay capacitor C 17 constantly to discharge and recharge simultaneously and the power consumption that produces.
Be connected with the LED light 90 that is used to indicate insertion hole groups 40 on/offs among the embodiment between the live wire L of each insertion hole groups 40 and zero line N; in conjunction with Fig. 5; this LED light D10 be connected with current-limiting resistance R24 and with its oppositely and meet protection diode D9; can directly indicate insertion hole groups 40 whether charged whereby, improve the reliability that shows.
Be more preferably, power circuit 50 is made up of the simple and easy voltage stabilizing circuit of capacitance decompression, the end of incoming cables also is connected to for the capacitance-resistance absorption circuit that absorbs disturbing pulse, can reduce interference whereby, be connected with overload from TRIP K between the end of incoming cables of live wire L and each circuit simultaneously, can further guarantee the safety of each device of circuit whereby.
In sum, the utility model by whether human body is arranged around the body induction circuit test socket exists, and insertion hole groups has sense switch, the plug that can detect firewire jack and zero line jack simultaneously inserts information, not having human body around socket exists, and when two jacks of insertion hole groups all have plug to insert, just connect power supply by postponing to trigger controllable silicon energy-saving relay drive circuit through scheduled delay, controllable silicon energy-saving relay drive circuit only drives a plurality of insertion hole groups circuit with a controllable silicon through isolating diode, circuit structure is simple, and cost is lower.A plurality of infrared probes are connected to the sensitivity that amplifying circuit has improved human body sensing through electric capacity, increased decoupling capacitance, behind the LC filter circuit in bleeder resistance and the far infrared probe power supply circuits, significantly improved the job stability of amplifying circuit, the power supply that postpones triggering part is switch and provided by civil power with the normally closed fixed contact in the group relay after testing, when no plug inserts, postponing circuits for triggering does not partly have, guarantee not false triggering of controllable silicon, and relay is in case drive, its normally closed fixed contact namely cuts off the power supply, the circuits for triggering on this road and controllable silicon drive circuit are not just worked, thereby reduced power consumption, electric capacity throttling holding circuit makes the operating current of relay only be 1/5~1/10 of rated current, in the fail safe that has guaranteed socket, also significantly saved electric energy, and cut off sensitive prime circuits for triggering during owing to work, thereby had preferable interference free performance, improved the reliability of work.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims (6)

1. human body induction energy saving anti-electric shock socket, comprise housing and the insertion hole groups of being located at housing, described insertion hole groups comprises the firewire jack that connects live wire and the zero line jack that is connected zero line at least, described socket also comprises for detection of the body induction circuit that whether has human body to exist around the described socket, for detection of the sense switch that has or not plug to insert in the described insertion hole groups, be used for triggering controllable silicon energy-saving relay drive circuit according to the delay that described human body exists information and plug insertion information to control described insertion hole groups break-make power supply, and the power circuit that is used for providing power supply, when described body induction circuit do not detect described insertion hole groups around human body arranged, and described sense switch detects when having plug to insert in described firewire jack and the zero line jack simultaneously, described insertion hole groups is connected power supply through scheduled delay, it is characterized in that, described delay triggers controllable silicon energy-saving relay drive circuit and comprises a controllable silicon, described controllable silicon connects one to n relay of driving through isolating diode, and described n is the integer greater than 1;
Described delay triggers in the controllable silicon energy-saving relay drive circuit, the SCR control utmost point is connected with the delay circuits for triggering, described silicon controlled minus earth, anode through buffering insurance resistance connect one to described n described isolating diode negative pole and after testing switch be connected to winding one end of described one to a described n corresponding relay, another termination civil power live wire of described relay winding, and described relay winding two ends are parallel with the fly-wheel diode that a negative pole connects the civil power live wire;
The described relay winding anodal end of switch connection isolating diode after testing also is connected to electric capacity throttling holding circuit.
2. human body induction energy saving anti-electric shock socket according to claim 1, it is characterized in that, described body induction circuit comprises the infrared amplifying circuit of a great distance, the infrared amplifying circuit of a described great distance is made up of two-stage amplifying circuit and one-level comparison circuit that LM324 four high guaily unit IC constitutes, and the input of described far infrared amplifying circuit connects one to a described n infrared probe through electric capacity.
3. human body induction energy saving anti-electric shock socket according to claim 2 is characterized in that, the second level amplifier in the infrared amplifying circuit of a described great distance is useful on the decoupling capacitance that anti-high-frequency self-excitation vibrates indirectly with ground.
4. human body induction energy saving anti-electric shock socket according to claim 3 is characterized in that, the output of described comparison circuit is useful on the bleeder resistance of eliminating the accumulation of spike disturbing pulse voltage indirectly with ground.
5. human body induction energy saving anti-electric shock socket according to claim 2 is characterized in that, has in the power supply circuits of described far infrared probe for anti-power supply to scurry into the LC filter circuit of interference.
6. human body induction energy saving anti-electric shock socket according to claim 1, it is characterized in that, described delay triggers in the controllable silicon energy-saving relay drive circuit, and the power supply of described delay circuits for triggering is by civil power switch and provide with the normally closed fixed contact that moving contact in the group relay connects one group of switch of civil power live wire after testing.
CN 201220455880 2012-09-07 2012-09-07 Human body induction energy-saving anti-electric-shock socket Expired - Fee Related CN203119212U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220455880 CN203119212U (en) 2012-09-07 2012-09-07 Human body induction energy-saving anti-electric-shock socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220455880 CN203119212U (en) 2012-09-07 2012-09-07 Human body induction energy-saving anti-electric-shock socket

Publications (1)

Publication Number Publication Date
CN203119212U true CN203119212U (en) 2013-08-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220455880 Expired - Fee Related CN203119212U (en) 2012-09-07 2012-09-07 Human body induction energy-saving anti-electric-shock socket

Country Status (1)

Country Link
CN (1) CN203119212U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105281105A (en) * 2015-12-01 2016-01-27 宁波康伯斯电器有限公司 Multi-effect socket
CN105048167B (en) * 2015-07-13 2017-09-08 苏州伊福尔电子有限公司 A kind of magic cube socket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048167B (en) * 2015-07-13 2017-09-08 苏州伊福尔电子有限公司 A kind of magic cube socket
CN105281105A (en) * 2015-12-01 2016-01-27 宁波康伯斯电器有限公司 Multi-effect socket

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130807

Termination date: 20170907