CN201535866U

CN201535866U - Resistance sampling-type learning energy-saving switch

Info

Publication number: CN201535866U
Application number: CN2009200731660U
Authority: CN
Inventors: 陆声奇
Original assignee: BAOTAI ELECTRONIC TECH Co Ltd SHANGHAI
Current assignee: BAOTAI ELECTRONIC TECH Co Ltd SHANGHAI
Priority date: 2009-06-01
Filing date: 2009-06-01
Publication date: 2010-07-28
Anticipated expiration: 2019-06-01

Abstract

The utility model relates to the technical field of technical switches, and particularly provides a resistance sampling-type learning energy-saving switch. The resistance sampling-type learning energy-saving switch adopts the structure that a capacitance voltage reduction circuit supplies power for a single-chip control circuit; a single-chip of the single-chip control circuit is connected with an output terminal of an infrared receiving circuit, a load output control circuit, and an output terminal of a rectification filter circuit; the load output control circuit controls the switching on/off of a power plug and a load socket on one AC connecting wire; a resistance-type current sampling circuit adopts resistors connected in series to the AC connecting wire; two ends of each sampling resistor are respectively connected with two input terminals of an amplifying circuit; and the output of the amplifying circuit is connected with the input of the rectification filter circuit. Compared with the prior art, the resistance-type sampling scheme has low cost, and stable and fast operation; as the energy-saving switch has standby power consumption learning and memory functions, convenient use; provided with the infrared code learning function, the energy-saving switch can be extensively applied with an unique start signal; two types of pulling in manners for a start relay can be flexibly applied; and the super-low self power consumption ensures that energy conservation and consumption reduction can be realized.

Description

The learning-oriented power down switch of resistance sampling formula

[technical field]

The utility model relates to technical ability switching technique field, the learning-oriented power down switch of specifically a kind of resistance sampling formula.

[background technology]

Raising day by day along with living standards of the people, various electric equipment products are also in the family and the office that constantly move into us, we are after using these equipment, shutdown but can not remove to disconnect the power supply of these consumers often, these electrical appliances can be under the holding state so, though the power consumption under the holding state will be much smaller than the power consumption under the electrical equipment operate as normal, but the electric energy of for years on end waste is quite surprising, we are with regard to the televisor with a 10W stand-by power consumption, its stand-by time was 20 hours in one day, the electric weight that one year is wasted is about 73KWh, in our life so much electrical equipment that is under the holding state is arranged, this can bring great waste, and this is self-evident.Some stand-by energy-saving devices are arranged now on the market, and it adopts transformer or current transformer as current sample, and they have production cost than higher, structure shortcomings such as inconvenient, that reaction is insensitive to be installed; Some is with infrared receiving device, but does not have learning functionality or memory function, is not to wake up to need to relearn after button does not have the each exactly outage of uniqueness, uses very inconvenient.

[summary of the invention]

The purpose of this utility model is to overcome the deficiencies in the prior art, in conjunction with attaching plug, load socket, capacity voltage dropping circuit, single chip machine controlling circuit, infrared radiation receiving circuit, the load output control circuit, the resistance type current sample circuit, the circuit of forming by LM358 sampling amplifying circuit and resistance capacitance such as sampled level current rectifying and wave filtering circuit, design a kind of standby energy-saving apparatus with intelligent current detecting, at any time detect load power consumption and keep a record, or, also can enter the study of infrared signal by the study button by study button and unlatching button study stand-by power consumption.Powering load both can adopt the Infrared push button of learning to start, and also can come attracting electric relay by touching the unlatching button.

For achieving the above object, designed the learning-oriented power down switch of a kind of resistance sampling formula, comprise attaching plug, load socket, capacity voltage dropping circuit, single chip machine controlling circuit, infrared receiving circuit, load output control circuit, resistance type current sample circuit, amplifying circuit and current rectifying and wave filtering circuit, described capacity voltage dropping circuit generation+5V direct supply is powered to single chip machine controlling circuit; The output terminal of described infrared receiving circuit is connected with No. 16 pins of single-chip microcomputer in the single chip machine controlling circuit; The signal input part of described load output control circuit is connected with No. 3 pins of single-chip microcomputer in the single chip machine controlling circuit, and two contacts of the relay R L1 of described load output control circuit control are connected on attaching plug and exchange in the connecting line with one of load socket; One at the place, two contacts that described resistance type current sample circuit adopts resistance R 10 to be connected on relay R L1 exchanges in the connecting line, described sampling resistor R10 two ends connect the contact of fuse F1 and relay R L1 respectively, and the two ends of described resistance R 10 also connect two signal input parts of amplifying circuit respectively; The signal output part of described amplifying circuit is connected with the signal input part of current rectifying and wave filtering circuit; The signal output part of described current rectifying and wave filtering circuit is connected with No. 6 pins of single-chip microcomputer in the single chip machine controlling circuit.

Described single chip machine controlling circuit comprises single-chip microcomputer, reset circuit, indicating circuit, crystal oscillator and touches key circuit; Described single-chip microcomputer adopts AD type single-chip microcomputer, and inner integrated E2ROM; Described reset circuit adopts the RC reset mode; Described indicating circuit adopts light emitting diode D3 and resistance R 4 series connection, and resistance R 4 one ends connect the indicating circuit power supply, and No. 2 pins of the negative electrode of light emitting diode D3 and single-chip microcomputer are connected, and this circuit adopts the filling current system to drive; The described key circuit that touches comprises and touches button S1, S2 and resistance R 11, touches button S1, S2 jointly by R11 ground connection, touches button S1 and connects No. 1 pin of single-chip microcomputer, touches button S2 and connects No. 8 pins of single-chip microcomputer.

Described infrared receiving circuit adopts infrared reception to amplify one receiver SEN1.

The sampling resistor R10 of described resistance type current sample circuit adopts low temperature to float the resistance of low resistance.

Have discharge resistance in the described current rectifying and wave filtering circuit.

The utility model is compared with prior art, and resistance type current sampling plan cost is low, fast stable; Have the stand-by power consumption learning and memory function, easy to use; Infrared sign indicating number learning functionality, widely applicable but enabling signal is unique; Two kinds of starting relay attracting mode, flexible Application; Ultralow oneself power consumption, energy-saving consumption-reducing.

[description of drawings]

Fig. 1 is the utility model operating circuit theory diagram.

Fig. 2 is the utility model operating circuit catenation principle figure.

Referring to Fig. 2,1 is capacity voltage dropping circuit, and 2 is single chip machine controlling circuit, and 3 is infrared receiving circuit, and 4 are the load output control circuit, and 5 is the resistance type current sample circuit, and 6 is amplifying circuit, and 7 is current rectifying and wave filtering circuit.

[embodiment]

Below in conjunction with accompanying drawing the utility model is further described, the utility model is still more clearly concerning those skilled in the art.

As shown in Figure 1, this programme has following circuit module to constitute: capacity voltage dropping circuit 1, single chip machine controlling circuit 2, infrared receiving circuit 3, load output control circuit 4, resistance type current sample circuit 5, amplifying circuit 6 and current rectifying and wave filtering circuit 7.

As shown in Figure 2, single chip machine controlling circuit 2 has comprised HT46F** series monolithic U2, crystal oscillator CRY, reset circuit, the indicating circuit of HOLTEK and has touched key circuit.Reset circuit adopts the RC reset mode; Indicating circuit adopts luminotron diode D3 and resistance R 4, and resistance R 4 is serially connected in+play metering function between 5v power supply and the light emitting diode D3, and light emitting diode D3 negative electrode connects the pin 2 of U2, adopts to irritate current system and drive; Touch button S1, S2 jointly by resistance R 11 ground connection, S1 connects No. 1 pin of U2, and S2 connects No. 8 pins of U2; Infrared receiving circuit 3 comprises receiver SEN1, C9, the R7 that one is amplified in infrared reception, wherein C9 is an electrochemical capacitor, be attempted by infrared remote receiver+5v power supply and ground connection between, R7 one pin connects+the 5v power supply, and another pin of R7 connects infrared reception respectively and amplifies the output terminal of receiver SEN1 of one and No. 16 pins of U2; Load output control circuit 4 connects the base stage of triode Q1 by No. 3 pins of U2 by R3, the grounded emitter of Q1, and line bag one pin of collector connecting relay RL1, R9 is attempted by Q1 base stage and emitter two ends; No. 6 pins of U2 connect the sampled voltage after current rectifying and wave filtering circuit 7 rectifications.Sampling resistor R10 one end in the resistance type current sample circuit 5 connects the output terminal of relay R L1 and resistance R 13 1 ends of amplifying circuit 6 respectively; the sampling resistor R10 other end connects resistance R 14 1 ends of fuse F1 and amplifying circuit 6 respectively; constitute amplifying circuit by LM358 and electric cloudy R12 again; signal after the amplification is by R16 and C12; C10; the R17 rectifying and wave-filtering; R16 and C12 have determined the voltage rise time and have kept level; R17 and C10 are once more to little ripple filter shape and current limliting; D4 does voltage-limiting protection; wherein the C12 two ends are also in parallel discharge resistance R15; when load power consumption reduces, can reduce the voltage at C12 two ends fast by R15, receive No. 6 pins of U2 after the D4 pressure limiting and do the AD conversion.

No longer do specific description for other common circuit.

The principle of work and the function of the learning-oriented power down switch of the utility model resistance sampling formula are: when attaching plug is inserted into power supply base in the family, entire equipment has just entered duty, can enter infrared sign indicating number learning state by the S1 button this moment by long after 2 seconds, it is the flicker of D3 pilot lamp, sending infrared sign indicating number twice simultaneously, is for the first time the infrared sign indicating number of study, is for the second time to confirm infrared sign indicating number, behind pilot lamp D3 quickflashing three times, the expression learning success; The completely the longest maintenance of learning state one minute, the not successful equipment of study withdraws from learning state automatically after one minute; Standby power study: can be by touching the S2 button, allow relay R L1 adhesive, to plug load appliance and allow load appliance be under the holding state, the long again S1 button of press is learnt at this moment the stand-by power consumption of load appliance.For the equipment of learning infrared signal, when receiving infrared signal afterwards, do coupling with the signal of study, if it is identical, then pass through the Q1 attracting electric relay, powering load, at this moment, infrared signal no longer receives, open 10s after the load, enter the current detecting stage, detected electric current once in per three minutes, because the variation of electric current, cause the R10 change in voltage, to the voltage on the R10 do amplify and rectifying and wave-filtering after, send U2 to do the AD conversion, draw current variation, record electric current much smaller than the load appliance running current or when approaching standby current in continuous 30s, No. 3 pin output low levels of U2 disconnect relay by R3, power supply on the disconnecting consumers electrical equipment realizes the load zero-power.Do not need equipment for some, can open the relay powering load by the S2 touch-switch by the Infrared remote controller gauge tap, after load appliance is entering standby mode, the power supply that equipment as mentioned above can the automatic cutout load appliance.Owing to realized the zero-power of load appliance and little power consumption of equipment self, promptly power consumption＜0.6W so saved the power consumption of office and family greatly, brings very big benefit for society and family.

Claims

1. learning-oriented power down switch of resistance sampling formula, comprise attaching plug, load socket, capacity voltage dropping circuit (1), single chip machine controlling circuit (2), infrared receiving circuit (3), load output control circuit (4), resistance type current sample circuit (5), amplifying circuit (6) and current rectifying and wave filtering circuit (7), it is characterized in that: described capacity voltage dropping circuit (1) generation+5V direct supply, give single chip machine controlling circuit (2) power supply; The output terminal of described infrared receiving circuit (3) is connected with No. 16 pins of single-chip microcomputer in the single chip machine controlling circuit (2); The signal input part of described load output control circuit (4) is connected with No. 3 pins of single-chip microcomputer in the single chip machine controlling circuit (2), and two contacts of the relay R L1 of described load output control circuit (4) control are connected on attaching plug and exchange in the connecting line with one of load socket; Described resistance type current sample circuit (5) adopts resistance R 10 to be connected in the interchange connecting line at place, two contacts of relay R L1, described sampling resistor R10 two ends connect the contact of fuse F1 and relay R L1 respectively, and the two ends of described resistance R 10 also connect two signal input parts of amplifying circuit (6) respectively; The signal output part of described amplifying circuit (6) is connected with the signal input part of current rectifying and wave filtering circuit (7); The signal output part of described current rectifying and wave filtering circuit (7) is connected with No. 6 pins of single-chip microcomputer in the single chip machine controlling circuit (2).

2. the learning-oriented power down switch of a kind of resistance sampling formula according to claim 1 is characterized in that: described single chip machine controlling circuit (2) comprises single-chip microcomputer, reset circuit, indicating circuit, crystal oscillator and touches key circuit that single-chip microcomputer adopts AD type single-chip microcomputer; Reset circuit adopts the RC reset mode; Indicating circuit adopts the anode of light emitting diode D3 to connect an end of resistance R 4, and resistance R 4 other ends connect the indicating circuit power supply, and No. 2 pins of the negative electrode of light emitting diode D3 and single-chip microcomputer are connected, and indicating circuit adopts the filling current system to drive; Touch key circuit and comprise and touch button S1, S2 and resistance R 11, touch button S1, S2, touch button S1 and connect No. 1 pin of single-chip microcomputer, touch button S2 and connect No. 8 pins of single-chip microcomputer jointly by R11 ground connection.。

3. the learning-oriented power down switch of a kind of resistance sampling formula according to claim 1 is characterized in that: described infrared receiving circuit (3) adopts infrared reception to amplify one receiver SEN1.

4. the learning-oriented power down switch of a kind of resistance sampling formula according to claim 1 is characterized in that: the sampling resistor R10 of described resistance type current sample circuit (5) adopts low temperature to float the resistance of low resistance.

5. the learning-oriented power down switch of a kind of resistance sampling formula according to claim 1, it is characterized in that: described current rectifying and wave filtering circuit is provided with discharge resistance in (7).