CN102386528A - Automatic power-off power supply socket board - Google Patents

Automatic power-off power supply socket board Download PDF

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Publication number
CN102386528A
CN102386528A CN2010102675408A CN201010267540A CN102386528A CN 102386528 A CN102386528 A CN 102386528A CN 2010102675408 A CN2010102675408 A CN 2010102675408A CN 201010267540 A CN201010267540 A CN 201010267540A CN 102386528 A CN102386528 A CN 102386528A
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CN
China
Prior art keywords
chip
power
diode
resistance
capacitor
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Pending
Application number
CN2010102675408A
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Chinese (zh)
Inventor
吴牧霖
Original Assignee
吴庆伟
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Application filed by 吴庆伟 filed Critical 吴庆伟
Priority to CN2010102675408A priority Critical patent/CN102386528A/en
Publication of CN102386528A publication Critical patent/CN102386528A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an automatic power-off power supply socket board, which comprises a power supply socket board body, a reset switch K and a time delay switch device. The time delay switch device comprises a rectification circuit, a real-time power monitoring and calculating circuit of a power-consuming electric appliance, and a time delay power-off circuit. The rectification circuit comprises a transformer T, a bridge rectifier and two capacitors. The real-time power monitoring and calculating circuit of the power-consuming electric appliance comprises a chip U1, a chip U2, an inductor L1, two diodes, three resistors and three capacitors. The time delay power-off circuit comprises a chip U3, a resistor R4, two capacitors, two diodes D7 and a relay J. The reset switch K is pressed down, the relay J is absorbed and closed and maintains interlocked closing with the reset switch K, and the power-consuming electric appliance obtains normal power supplying. The inductor L1 can induct a current value linearly changing with a power-consuming circuit, so as to obtain the numerical value of the power of the corresponding power-consuming electric appliance. When the numerical value of the power of the corresponding power-consuming electric appliance is less than that of a preset power, the time delay power off can be achieved. By using the automatic power-off power supply socket board, in the state that an electric appliance is standby, the automatic power off can be achieved; the power supplying can be recovered at any time; the electric safety is increased; and the electric energy is saved.

Description

A kind of automatic outage electric power plug socket
Technical field
The present invention relates to the safety power source plug socket field, particularly a kind of automatic outage electric power plug socket.
Background technology
Present many electrical equipment all has remote-control closedown or idle function, and like TV, air-conditioning, computer etc., but after this shutdown, also in work, the life period of electrical equipment can shorten the stand-by circuit of electrical equipment for a long time, and the waste electric energy.
Also can often appear at simultaneously to turn off and to forget situation about also turning off the power supply of miscellaneous equipment after the computer, such as perhaps other equipment of printer, scanner.Seriously influence although do like this to cause too, but still can cause no small waste for a long time in the past.
And if in case make electrical equipment after getting into holding state; There is the device that power supply is closed automatically; For example behind shut down of computer, the shutdown of also can cutting off the power supply of the electrical equipment on other sockets that coexist, perhaps finish watching TV after; The desk lamp that is attached thereto, DVD etc. also can cut off the power supply automatically, will play good energy-saving effect.
Therefore, providing a kind of can cut off the electricity supply under holding state automatically, and the electric power plug socket that restores electricity of Artificial Control is that realistic meaning is arranged very much at any time.
Summary of the invention
The purpose of this invention is to provide a kind of automatic outage electric power plug socket, the present invention can be cut off the power supply automatically and can be restored electricity at any time at the electric appliance standby state, increases electrical safety, saves electric energy.
The technical scheme that adopts is:
A kind of automatic outage electric power plug socket comprises electric power plug socket body, reset switch K and delay switch device.The electric power plug socket body can be the insert row of commercially available Any shape and specification, is known technology, so repeated description not.Line simultaneously with insert row on the delivery outlet correspondence be connected, this is a known technology, so repeated description not.
Technical essential of the present invention is:
In the electric power plug socket body, offer the switch hole of delay switch chamber and installing reset switch K, it is indoor that the delay switch device is installed in described delay switch, and reset switch K is installed in the switch hole.
The delay switch device comprises: real-time monitoring calculation circuit of the power of rectification circuit, electrical appliance and delay cut-off circuit.
Rectification circuit comprises: transformer T, diode D1, diode D2, diode D3, diode D4, capacitor C 1 and capacitor C 2.
The primary coil two ends of transformer T in the delay switch device are connected in parallel in the power supply circuits of civil power through reset switch K.Diode D1, diode D2, diode D3 and diode D4 form bridge rectifier; 1 of one end of transformer T secondary coil and bridge rectifier is connected; 4 of the other end of transformer T secondary coil and bridge rectifier are connected, and 2 ground connection of bridge rectifier are after capacitor C 1 and capacitor C 2 parallel connections; 3 of one end and bridge rectifier are connected other end ground connection.
The real-time monitoring calculation circuit of the power of electrical appliance comprises: chip U1, chip U2, inductance L 1, diode D5, diode D6, resistance R 1, resistance R 2, resistance R 3, capacitor C 3, capacitor C 4 and capacitor C 5.
Inductance L 1 is coupled with the live wire of civil power, and an end of inductance L 1 is connected with the AC1 of chip U1 end, and the AC2 end of the other end of inductance L 1 and chip U1 is connected.
The V-end ground connection of chip U1, the voltage output end V+ end of chip U1 is connected with the left end of resistance R 2, and the voltage output end V+ end of chip U1 is connected with the anode of diode D5 simultaneously, and the left end of resistance R 2 is through resistance R 1 ground connection.The negative terminal of diode D5 is connected with the right-hand member of resistance R 2, and the right-hand member of resistance R 2 is simultaneously through capacitor C 3 ground connection.The negative terminal of diode D5 is connected with the left end of resistance R 3 simultaneously; The left end of resistance R 3 is connected with the anode of diode D6; The negative terminal of diode D6 is connected with the right-hand member of resistance R 3, and the left end of resistance R 3 is simultaneously through capacitor C 4 ground connection, and the right-hand member of resistance R 3 is simultaneously through capacitor C 5 ground connection; No. 1 pin of chip U2 is connected with the right-hand member of resistance R 3, and No. 2 pin of chip U2 and No. 2 pin of chip U3 are connected.
Chip U1 is commercially available rectification chip KBU8D, and chip U2 is single-chip microcomputer PIC16F877, and described single-chip microcomputer PIC is the commercially available universal product, so repeated description not.
The delay cut-off circuit comprises: chip U3, resistance R 4, capacitor C 6, capacitor C 7, diode D7 and relay J.Chip U3 is 555 timers.
3 of one end of resistance R 4 and bridge rectifier are connected, and No. 4 pin of chip U3 and No. 8 pin are connected with 3 of bridge rectifier simultaneously.The other end of resistance R 4 is connected with No. 6 pin of chip U3, and No. 6 pin of chip U3 are connected with No. 7 pin of chip U3, and No. 7 pin of chip U3 are simultaneously through capacitor C 7 ground connection.No. 5 pin of chip U3 are through capacitor C 6 ground connection.No. 1 direct ground connection of pin of chip U3, No. 3 pin of chip U3 and the negative terminal of diode D7 are connected the positive ending grounding of diode D7.Chip U3 No. 3 pin be connected the other end ground connection of relay J with an end of relay J simultaneously.
Real-time monitoring calculation circuit of the power of rectification circuit, electrical appliance and delay cut-off circuit are integrated on the circuit board, and circuit board is installed in the delay switch chamber.
The present invention is adjustable automatic outage electric power plug socket, can be through the real-time monitoring calculation circuit of the power of electrical appliance being set the requirement that different minimum outage power adapts to different user.
Its operation principle is: after pressing reset switch K; Obtain the direct voltage about 12V through rectification circuit; This voltage is input to No. 4 pin and No. 8 pin of 555 timers, makes the relay J adhesive and keeps interlocking closed with reset switch K, and electrical appliance obtains normal power supply from the jack of insert row.
Give under the electrical appliance normal power supply situation at insert row; The variation of load end electrical appliance watt level can cause the variation (P=UI) of line current; Can induce the current value of linear change with it through linear inductance L 1 herein; Induced electricity flow valuve behind over commutation and LPF is converted into voltage through measuring resistance R1 measure,, can obtain the sizes values of corresponding electrical appliance power by linear relationship.
The resistance of resistance R 1 can be definite through testing.If the electric current on the bringing onto load alternating current circuit is I, the electric current after linear mutual inductance rectification is kI (k is a constant), and then the magnitude of voltage on the R1 is kIR1.Therefore, when the design power scope of load end is P0~P1, should to carry out linearity corresponding with power of test 0~5V of single-chip microcomputer PIC; Like this through the Single-chip Controlling program the corresponding judgement of encoded radio with the power detection value, can accomplish the detection of power, and further through with the threshold ratio of setting minimum power Pmin; Can the output of PIC be changed to high-low level (0 and 1) respectively; And give No. 2 pin of 555 timers, and being used for realizing the function of delay cut-off, time delay can be passed through T=1.1R 4C 7Set.
Its advantage is: the present invention is simple in structure, good reliability, protection electrical equipment, the generation of stopping accident.
Description of drawings:
Fig. 1 is a kind of circuit diagram of automatic outage electric power plug socket.
Fig. 2 is a kind of structural representation of automatic outage electric power plug socket.
Embodiment
A kind of automatic outage electric power plug socket comprises electric power plug socket body 5, reset switch K and delay switch device.Electric power plug socket body 5 can be the insert row of commercially available Any shape and specification.Civil power 9 circuits simultaneously with insert row on delivery outlet 7 correspondences are connected.
In electric power plug socket body 5, offer the switch hole 8 of delay switch chamber 6 and installing reset switch K, the delay switch device is installed in the described delay switch chamber 6, and reset switch K is installed in the switch hole 8.
The delay switch device comprises: real-time monitoring calculation circuit of the power of rectification circuit, electrical appliance and delay cut-off circuit.
Rectification circuit comprises: transformer T, diode D1, diode D2, diode D3, diode D4, capacitor C 1 and capacitor C 2.
The primary coil two ends of transformer T in the delay switch device are connected in parallel in the power supply circuits of civil power 9 through reset switch K.Diode D1, diode D2, diode D3 and diode D4 form bridge rectifier; 1 of one end of transformer T secondary coil and bridge rectifier is connected; 4 of the other end of transformer T secondary coil and bridge rectifier are connected, and 2 ground connection of bridge rectifier are after capacitor C 1 and capacitor C 2 parallel connections; 3 of one end and bridge rectifier are connected other end ground connection.
The real-time monitoring calculation circuit of the power of electrical appliance comprises: chip U1, chip U2, inductance L 1, diode D5, diode D6, resistance R 1, resistance R 2, resistance R 3, capacitor C 3, capacitor C 4 and capacitor C 5.
Inductance L 1 is coupled with the live wire 10 of civil power 9, and an end of inductance L 1 is connected with the AC1 of chip U1 end, and the AC2 end of the other end of inductance L 1 and chip U1 is connected.
The V-end ground connection of chip U1, the voltage output end V+ end of chip U1 is connected with the left end of resistance R 2, and the voltage output end V+ end of chip U1 is connected with the anode of diode D5 simultaneously, and the left end of resistance R 2 is through resistance R 1 ground connection.The negative terminal of diode D5 is connected with the right-hand member of resistance R 2, and the right-hand member of resistance R 2 is simultaneously through capacitor C 3 ground connection.The negative terminal of diode D5 is connected with the left end of resistance R 3 simultaneously; The left end of resistance R 3 is connected with the anode of diode D6; The negative terminal of diode D6 is connected with the right-hand member of resistance R 3, and the left end of resistance R 3 is simultaneously through capacitor C 4 ground connection, and the right-hand member of resistance R 3 is simultaneously through capacitor C 5 ground connection; No. 1 pin of chip U2 is connected with the right-hand member of resistance R 3, and No. 2 pin of chip U2 and No. 2 pin of chip U3 are connected.
Chip U1 is commercially available rectification chip KBU8D, and chip U2 is single-chip microcomputer PIC16F877, and described single-chip microcomputer PIC is the commercially available universal product.
The delay cut-off circuit comprises: chip U3, resistance R 4, capacitor C 6, capacitor C 7, diode D7 and relay J.Chip U3 is 555 timers.
3 of one end of resistance R 4 and bridge rectifier are connected, and No. 4 pin of chip U3 and No. 8 pin are connected with 3 of bridge rectifier simultaneously.The other end of resistance R 4 is connected with No. 6 pin of chip U3, and No. 6 pin of chip U3 are connected with No. 7 pin of chip U3, and No. 7 pin of chip U3 are simultaneously through capacitor C 7 ground connection.No. 5 pin of chip U3 are through capacitor C 6 ground connection.No. 1 direct ground connection of pin of chip U3, No. 3 pin of chip U3 and the negative terminal of diode D7 are connected the positive ending grounding of diode D7.No. 3 pin of chip U3 are connected the other end ground connection of relay J simultaneously with an end of relay J.
Real-time monitoring calculation circuit of the power of rectification circuit, electrical appliance and delay cut-off circuit are integrated on the circuit board, and circuit board is installed in 6 li of delay switch chambers.
Described a kind of automatic outage electric power plug socket: set minimal power values through the real-time monitoring calculation circuit of the power of the electrical appliance installed on the insert row body; For example: be set at 10W; When charged power during less than 10W, the delay switch device time-delay that is installed on the insert row body was cut off the electricity supply in one minute.After this, can pass through manual reset switch K energized.
Embodiment 2, described a kind of automatic outage electric power plug socket, the choosing value scope that the real-time monitoring calculation circuit power of the power of electrical appliance is set can be decided according to the rated power size of insert row body, and the setting range of 2500W insert row can be at 5-30W.

Claims (2)

1. the electric power plug socket that cuts off the power supply automatically comprises electric power plug socket body (5), reset switch K and delay switch device; In electric power plug socket body (5), offer the switch hole (8) of delay switch chamber (6) and installing reset switch K, the delay switch device is installed in the described delay switch chamber (6), and reset switch K is installed in the switch hole (8); It is characterized in that:
The delay switch device comprises: real-time monitoring calculation circuit of the power of rectification circuit, electrical appliance and delay cut-off circuit;
Rectification circuit comprises: transformer T, diode D1, diode D2, diode D3, diode D4, capacitor C 1 and capacitor C 2;
The primary coil two ends of transformer T in the delay switch device are connected in parallel in the power supply circuits of civil power (9) through reset switch K; Diode D1, diode D2, diode D3 and diode D4 form bridge rectifier; One end of transformer T secondary coil is connected with (1) of bridge rectifier point; The other end of transformer T secondary coil is connected with (4) of bridge rectifier point, and (2) some ground connection of bridge rectifier is after capacitor C 1 and capacitor C 2 parallel connections; (3) point of one end and bridge rectifier is connected other end ground connection;
The real-time monitoring calculation circuit of the power of electrical appliance comprises: chip U1, chip U2, inductance L 1, diode D5, diode D6, resistance R 1, resistance R 2, resistance R 3, capacitor C 3, capacitor C 4 and capacitor C 5;
Inductance L 1 is coupled with the live wire (10) of civil power, and an end of inductance L 1 is connected with the AC1 of chip U1 end, and the AC2 end of the other end of inductance L 1 and chip U1 is connected;
The V-end ground connection of chip U1, the voltage output end V+ end of chip U1 is connected with the left end of resistance R 2, and the voltage output end V+ end of chip U1 is connected with the anode of diode D5 simultaneously, and the left end of resistance R 2 is through resistance R 1 ground connection; The negative terminal of diode D5 is connected with the right-hand member of resistance R 2, and the right-hand member of resistance R 2 is simultaneously through capacitor C 3 ground connection; The negative terminal of diode D5 is connected with the left end of resistance R 3 simultaneously; The left end of resistance R 3 is connected with the anode of diode D6; The negative terminal of diode D6 is connected with the right-hand member of resistance R 3, and the left end of resistance R 3 is simultaneously through capacitor C 4 ground connection, and the right-hand member of resistance R 3 is simultaneously through capacitor C 5 ground connection; (1) number pin of chip U2 is connected with the right-hand member of resistance R 3, and (2) number pin of chip U2 and (2) number pin of chip U3 are connected;
The delay cut-off circuit comprises: chip U3, resistance R 4, capacitor C 6, capacitor C 7, diode D7 and relay J; One end of resistance R 4 is connected with (3) of bridge rectifier point, and (4) number pin of chip U3 is connected with (3) point of bridge rectifier with (8) number pin simultaneously; The other end of resistance R 4 is connected with (6) number pin of chip U3, and (6) number pin of chip U3 is connected with (7) number pin of chip U3, and (7) number pin of chip U3 is simultaneously through capacitor C 7 ground connection; (5) number pin of chip U3 is through capacitor C 6 ground connection; The direct ground connection of (1) number pin of chip U3, (3) number pin of chip U3 and the negative terminal of diode D7 are connected the positive ending grounding of diode D7; Chip U3 (3) number pin be connected the other end ground connection of relay J with an end of relay J simultaneously;
Real-time monitoring calculation circuit of the power of rectification circuit, electrical appliance and delay cut-off circuit are integrated on the circuit board, and circuit board is installed in lining, delay switch chamber (6).
2. a kind of automatic outage electric power plug socket according to claim 1, it is characterized in that: described chip U1 is rectification chip KBU8D, and described chip U2 is single-chip microcomputer PIC16F877, and described chip U3 is 555 timers.
CN2010102675408A 2010-08-31 2010-08-31 Automatic power-off power supply socket board Pending CN102386528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102675408A CN102386528A (en) 2010-08-31 2010-08-31 Automatic power-off power supply socket board

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Application Number Priority Date Filing Date Title
CN2010102675408A CN102386528A (en) 2010-08-31 2010-08-31 Automatic power-off power supply socket board

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788896A (en) * 2012-08-05 2012-11-21 孙文亮 Socket current detection device
CN104167720A (en) * 2014-08-12 2014-11-26 中北大学 Power-saving controller for automatically detecting states of power device and supply network and delaying outage
CN109739134A (en) * 2019-01-10 2019-05-10 冠捷显示科技(武汉)有限公司 A kind of TV power supply control system and its control method automatically powered off
CN111029861A (en) * 2019-12-27 2020-04-17 刁海辰 Non-standby state remote control device based on leakage protector principle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2879470Y (en) * 2005-12-05 2007-03-14 四川省西昌市第一中学 Safety energy-saving power socket
CN201315389Y (en) * 2008-09-04 2009-09-23 陈清尧 Energy-saving socket
CN201466379U (en) * 2009-09-10 2010-05-12 王辰 Energy-saving power socket
CN201860000U (en) * 2010-08-31 2011-06-08 吴庆伟 Automatic power off power strip

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2879470Y (en) * 2005-12-05 2007-03-14 四川省西昌市第一中学 Safety energy-saving power socket
CN201315389Y (en) * 2008-09-04 2009-09-23 陈清尧 Energy-saving socket
CN201466379U (en) * 2009-09-10 2010-05-12 王辰 Energy-saving power socket
CN201860000U (en) * 2010-08-31 2011-06-08 吴庆伟 Automatic power off power strip

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788896A (en) * 2012-08-05 2012-11-21 孙文亮 Socket current detection device
CN104167720A (en) * 2014-08-12 2014-11-26 中北大学 Power-saving controller for automatically detecting states of power device and supply network and delaying outage
CN104167720B (en) * 2014-08-12 2017-02-15 中北大学 Power-saving controller for automatically detecting states of power device and supply network and delaying outage
CN109739134A (en) * 2019-01-10 2019-05-10 冠捷显示科技(武汉)有限公司 A kind of TV power supply control system and its control method automatically powered off
CN109739134B (en) * 2019-01-10 2021-08-10 冠捷显示科技(武汉)有限公司 Automatic power-off television power supply control system and control method thereof
CN111029861A (en) * 2019-12-27 2020-04-17 刁海辰 Non-standby state remote control device based on leakage protector principle

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Application publication date: 20120321