CN202551460U - Single-livewire double-control touch switch circuit - Google Patents
Single-livewire double-control touch switch circuit Download PDFInfo
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- CN202551460U CN202551460U CN2012201863885U CN201220186388U CN202551460U CN 202551460 U CN202551460 U CN 202551460U CN 2012201863885 U CN2012201863885 U CN 2012201863885U CN 201220186388 U CN201220186388 U CN 201220186388U CN 202551460 U CN202551460 U CN 202551460U
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Abstract
The utility model relates to a lamp control switch circuit, in particular to a single-livewire double-control touch switch circuit which comprises a change-over switch which is provided with a normally open contact, a normally closed contact and a public connection point. The change-over switch is an electrically controlled switch. The switch circuit further comprises a touch control circuit unit, a change-over switch driving circuit unit, a power circuit unit and a power extraction circuit unit which comprises a bidirectional triode thyristor, a first rectifier unit, a second rectifier unit and a third rectifier unit which are connected in series between an input wire connection point and the public connection point. When the lamp is turned on, the bidirectional triode thyristor is conducted to reduce the voltage of the current and then the current is rectified by the first rectifier unit so to supply direct-current working power to the touch control circuit unit and the change-over driving circuit unit. When the lamp is turned off, the second rectifier unit and the third rectifier unit of the two switches in the double-control touch switch circuit form an alternating current circuit, and the alternating current is rectified to direct current to be supplied to the touch control circuit unit and the change-over driving circuit for working. In such a way, a single-livewire double-control touch switch is realized.
Description
Technical field
The utility model relates to a kind of lamp control switch circuit, the two control of particularly single live wire touch switch circuit.
Background technology
In the daily life, there are a lot of occasions to control respectively certain electrical equipment, can downstairs and upstairs all can carry out switch control it like the corridor lamp requirement of residential building in two different places; Also just like the illuminating lamp in bedroom, also requirement can all can be carried out switch control to it on the doorway, bedroom and the head of a bed, uses with convenient, and these all need double control switch.As shown in Figure 1; Traditional double control switch is respectively to load onto a switch that has a normally opened contact, a normally-closed contact and a common junction respectively two positions; Common junction all the time with normally opened contact or normally-closed contact in one be connected; Whenever once, respectively be provided with lead between the normally opened contact of two switches and the normally-closed contact and connect, the common junction of one of them switch is connected with power firestreak by a switch transition; The common junction of another switch is connected with lamp holder, and the lamp holder other end is connected with zero-power line.Lamp is lighted when the common junction of two switches is connected with same lead; Lamp was not closed when common junction was not connected with same lead, and therefore, no matter lamp is to be in which kind of state; As long as on any switch, click the standing state that can change etc., reached the purpose of two controls.The growth in the living standard of Along with people's; Requirement to quality of the life also improves thereupon, and it is touch that many people require switch, because touch control circuit needs working power; The mode of connection of existing double control switch is only introduced a power line and is connected lead with two in the switch terminal box; Therefore, to so far, the two control touch switch circuits that never are fit to the traditional wired mode occur.
Summary of the invention
The purpose of the utility model is to provide for the deficiency that overcomes prior art a kind of two control of single live wire touch switch circuit of suitable traditional wired mode.
For realizing above-mentioned purpose; The utility model provides the two control of a kind of single live wire touch switch circuit; Comprise a change over switch that has a normally opened contact, a normally-closed contact and a common junction; It is characterized in that: said change over switch is an electric-controlled switch; Said switching circuit also comprises touch control circuit unit, change over switch drive circuit unit, power-supply circuit unit and power circuit unit; The output of said touch control circuit unit connects the change over switch drive circuit unit and drives said change over switch; Said power-supply circuit unit comprises the bidirectional triode thyristor and first rectification unit, second rectification unit and the 3rd rectification unit that are serially connected between incoming line tie point and the common junction; The interchange end of said first rectification unit is attempted by said bidirectional triode thyristor two ends; An interchange end of said second rectification unit and the 3rd rectification unit is connected with normally-closed contact with normally opened contact respectively, and another another interchange that exchanges end and the 3rd rectification unit of said second rectification unit is held through current-limiting resistance and is connected with the incoming line tie point, and the direct current output of said second rectification unit and the 3rd rectification unit direct current output with said first rectification unit after the unit step-down of said power circuit provides dc supply for remaining circuit jointly.
The two control of single live wire of the utility model touch switch circuit; On the basis that is provided with the touch control circuit unit; Also be provided with and comprise bidirectional triode thyristor and a power-supply circuit unit of first rectification unit, second rectification unit and the 3rd rectification unit that is serially connected between incoming line tie point and the common junction; When lamp is opening; Utilize the conduction voltage drop of bidirectional triode thyristor, for comprising touch control circuit unit, change over switch drive circuit unit dc supply is provided through the first rectification unit rectification again; When lamp is closed condition; Utilize second rectification unit and the 3rd rectification unit in two switches to constitute alternating current path; And for comprising touch control circuit unit, change over switch drive circuit unit dc supply is provided through over commutation, reach the purposes of the two control of single live wire soft-touch control.
To combine accompanying drawing and specific embodiment that the utility model is further described below.
Description of drawings
Accompanying drawing 1 is existing double control switch circuit theory sketch map;
Accompanying drawing 2 is the utility model specific embodiment circuit theory diagrams;
Accompanying drawing 3 is specifically used (bright attitude) schematic diagram for the utility model specific embodiment;
Accompanying drawing 4 is specifically used (attitude of going out) schematic diagram for the utility model specific embodiment.
Embodiment
As shown in Figure 2; The two control of single live wire touch switch circuit comprises a change over switch that has a normally opened contact, a normally-closed contact and a common junction; Said change over switch is an electric-controlled switch; Said switching circuit also comprises touch control circuit unit, change over switch drive circuit unit, power-supply circuit unit and power circuit unit; The output of said touch control circuit unit connects the change over switch drive circuit unit and drives said change over switch; Said power-supply circuit unit comprises the bidirectional triode thyristor T1 and the first rectification unit DQ1, the second rectification unit DQ2 and the 3rd rectification unit DQ3 that are serially connected between incoming line tie point and the common junction; Two two ends that exchange end and be connected in said bidirectional triode thyristor T1 of the said first rectification unit DQ1; The interchange end of said second rectification unit DQ2 and the 3rd rectification unit DQ3 is connected with normally-closed contact 1 with normally opened contact 2 respectively, and another of said second rectification unit DQ2 and the 3rd rectification unit DQ3 exchanges the common process of end current-limiting resistance R1 and be connected with the incoming line tie point, and the direct current output of said second rectification unit DQ2 and the 3rd rectification unit DQ3 can reach hundreds of volts; Directly too high as working power voltage; Therefore need after the step-down of power circuit unit, to export jointly for remaining circuit provides dc supply with the direct current of the said first rectification unit DQ1, the power circuit unit adopts the DC-DC translation circuit, can be various ripe switching power circuits; The voltage-regulation scope is bigger; Selecting for use in this specific embodiment with K739 is the inverse-excitation type switch power-supply circuit of core, and its midget relay that is output as as change over switch provides working power, for the touch control circuit unit working power VDD is provided after this power supply process three terminal regulator VR voltage stabilizing simultaneously.In this specific embodiment, the circuit form of said touch control circuit unit can be the touch circuit of various maturations, like some touch circuit that utilizes bistable circuit to constitute; But it is succinct for circuit, reliable; Touching the circuit employing in this specific embodiment is that the microprocessing systems that core is formed constitutes with single-chip microcomputer IC1, and said single-chip microcomputer model is selected PIC640 for use, does not also get rid of the chip of selecting other similar functions for use certainly; Like the PIC54 family chip; Metal touches utmost point TP and is connected with the single-chip data input, and said change over switch can be made up of midget relay, like miniature relays such as JZC-23F type or 4123 types; Said change over switch drive circuit unit is made up of amplifying triode Q1, and said amplifying triode Q1 is connected on the actuating coil of midget relay that base stage is connected with the single-chip data delivery outlet on the dc supply.
The operation principle of the two control of this single live wire touch switch circuit is following: as shown in Figure 3; The two control of this single live wire touch switch circuit is to use with paired mode; Be provided with lead A between two single live wires two control soft-touch control normally opened contact and the normally-closed contact, B connects respectively; The incoming line tie point of the two control of one of them single live wire touch switch circuit is connected with civil power live wire L, and the incoming line tie point of the two control of another single live wire touch switch circuit is connected with civil power zero line N through light fixture LP.As two relays (change over switch) K1, K2 adhesive simultaneously or release simultaneously, hot voltage is through bidirectional triode thyristor T1; Relay (change over switch) K1, K2, bidirectional triode thyristor T2 delivers to the top of light fixture LP; The following connecting to neutral line of light fixture LP voltage, thus constitute the loop, and light fixture LP is in bright attitude; Otherwise as relay (change over switch) K1, one of K2 is adhesive, and when another was release condition, hot voltage can not arrive light fixture LP top, can not constitute the loop, and light fixture LP is in the attitude of going out.Relay (change over switch) K1, the adhesive of K2 is accomplished by touch control circuit unit, the control of change over switch drive circuit unit with release.The working power of touch control circuit unit, change over switch drive circuit unit obtains through following process: when light fixture LP illuminating state; There is big electric current to flow through bidirectional triode thyristor T1 and bidirectional triode thyristor T2; Produce the alternating voltage about about 8V at bidirectional triode thyristor T1 and bidirectional triode thyristor T2 two ends; This voltage is respectively through first rectification unit DQ1 and the DQ1 ' rectification; Filter capacitor CD1, CD1 ' filtering obtains the working power of 12V direct voltage as relay, obtains 3V voltage VDD through three terminal regulator VR and VR ' voltage stabilizing respectively again and is used for the touch control circuit unit.
As shown in Figure 4; As relay (change over switch) K1; K2 is not when being connected on the same lead; Just light fixture LP is in the attitude of going out; This moment live wire L voltage through current-limiting resistance R1 deliver to ac input end 6, the lead A of ac input end 5, filter capacitor CD2, direct current ground, the 3rd rectification unit DQ3 of the 3rd rectification unit DQ3, the ac input end 6 of the 3rd rectification unit DQ3 ' ', the ac input end 5 of filter capacitor CD2 ', direct current ground, the 3rd rectification unit DQ3 ', current-limiting resistance R1 ' and light fixture LP be to zero-power line N formation loop; Make the 3rd rectification unit DQ3 and the 3rd rectification unit DQ3 ' go up electricly, supply two touch control circuit unit, change over switch drive circuit units in the switch to use respectively through rectification output dc supply.IC1 is a single-chip microcomputer in the touch control circuit unit, and 14 pin are input, and 11 pin are output, and input is connected to the touch utmost point TP that copper sheet constitutes; During touch, produce capacitance variations, internal processes can make the level of output change, thereby changes the conducting state of triode Q1 or Q1 '; Q1 is saturated when 11 pin of single-chip microcomputer are exported high level, the relay adhesive, and Q1 ends during 11 pin output low levels, and relay discharges; The relay attracting state is changed, and then change the on off state of light fixture LP, reach the purpose of control; 11 pin are connected to red, blue 2 LEDs 1, and LED2 is used to indicate on off state.Otherwise, when the K1 direction makes progress K2 when being directed downwards, in like manner, the second rectification unit DQ2 and DQ2 ' electric, through rectification output dc supply, supply two touch control circuit unit, change over switch drive circuit units in the switch to use respectively.Like this, regardless of the K2 direction, K switch 1 can both obtain direct voltage, and is same, and regardless of the direction of K1, K2 also can obtain direct voltage.
Like Fig. 1, shown in 3; Can find out: if remove bidirectional triode thyristor T1, bidirectional triode thyristor T2 and other circuit, then the two control circuits with the mechanical switch formation are identical fully; (adhesive simultaneously or release simultaneously) live wire L voltage is through bidirectional triode thyristor T1 when relay K 1, when K2 is in equal state; K1, lead A or lead B, K2, bidirectional triode thyristor T2 arrive light fixture LP, zero line N constitutes the loop, and LP lights; Otherwise work as K1, (adhesive, a release) hot voltage can not arrive the top of LP when K2 was in inverse state, and LP extinguishes, and the visible state that changes arbitrary relay can change the light on and off of LP, has promptly realized two controls.
Claims (5)
1. the two control of single live wire touch switch circuits; Comprise a change over switch that has a normally opened contact, a normally-closed contact and a common junction; It is characterized in that: said change over switch is an electric-controlled switch; Said switching circuit also comprises touch control circuit unit, change over switch drive circuit unit, power-supply circuit unit and power circuit unit; The output of said touch control circuit unit connects the change over switch drive circuit unit and drives said change over switch; Said power-supply circuit unit comprises the bidirectional triode thyristor and first rectification unit, second rectification unit and the 3rd rectification unit that are serially connected between incoming line tie point and the common junction; The interchange end of said first rectification unit is attempted by said bidirectional triode thyristor two ends; One of said second rectification unit and the 3rd rectification unit exchanges end and is connected with normally-closed contact with normally opened contact respectively; Another another interchange end that exchanges end and the 3rd rectification unit of said second rectification unit is connected with the incoming line tie point through current-limiting resistance, and the direct current output of said second rectification unit and the 3rd rectification unit direct current output with said first rectification unit after the unit step-down of said power circuit provides dc supply for remaining circuit jointly.
2. the two control of single live wire according to claim 1 touch switch circuit; It is characterized in that: said touch control circuit unit is for the single-chip microcomputer being the microprocessing systems that core is formed; And be provided with and touch the utmost point and be connected with the single-chip data input; Said change over switch is made up of midget relay, and said change over switch drive circuit unit is made up of amplifying triode, and the actuating coil of said amplifying triode and midget relay is connected on the dc supply.
3. the two control of single live wire according to claim 2 touch switch circuit, it is characterized in that: said single-chip microcomputer model is PIC640.
4. the two control of single live wire according to claim 1 touch switch circuit, it is characterized in that: said power circuit unit is made up of switching power circuit.
5. the two control of single live wire according to claim 4 touch switch circuits is characterized in that: said switching power circuit is for being the inverse-excitation type switch power-supply circuit of core with K739.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201863885U CN202551460U (en) | 2012-04-27 | 2012-04-27 | Single-livewire double-control touch switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201863885U CN202551460U (en) | 2012-04-27 | 2012-04-27 | Single-livewire double-control touch switch circuit |
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| Publication Number | Publication Date |
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| CN202551460U true CN202551460U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201863885U Expired - Fee Related CN202551460U (en) | 2012-04-27 | 2012-04-27 | Single-livewire double-control touch switch circuit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052215A (en) * | 2012-12-07 | 2013-04-17 | 刘胜泉 | Light-emitting diode (LED) indicator light of ganged switch |
| CN104010414A (en) * | 2014-04-28 | 2014-08-27 | 王景相 | Contactless single-live-wire single-control and double-control touch switch circuit |
| CN104010413A (en) * | 2014-04-28 | 2014-08-27 | 王景相 | Contactless multi-control single-live-wire touch switch circuit |
| CN105050258A (en) * | 2015-07-07 | 2015-11-11 | 温州市汇谷科技有限公司 | Single-live line time delay switch with fire protection forced startup function |
| CN106879147A (en) * | 2017-03-27 | 2017-06-20 | 刘冰冰 | A kind of single live wire total power touch switch circuit |
| CN107241089A (en) * | 2017-07-03 | 2017-10-10 | 上海小为科技股份有限公司 | A kind of single fiery power taking dual control electronics switch on wall |
| WO2018103182A1 (en) * | 2016-12-06 | 2018-06-14 | 东莞市罗姆斯智能家居有限公司 | Single-live dual-control switch wiring method and circuit |
-
2012
- 2012-04-27 CN CN2012201863885U patent/CN202551460U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052215A (en) * | 2012-12-07 | 2013-04-17 | 刘胜泉 | Light-emitting diode (LED) indicator light of ganged switch |
| CN103052215B (en) * | 2012-12-07 | 2015-08-05 | 刘胜泉 | Ganged switch LED light |
| CN104010414A (en) * | 2014-04-28 | 2014-08-27 | 王景相 | Contactless single-live-wire single-control and double-control touch switch circuit |
| CN104010413A (en) * | 2014-04-28 | 2014-08-27 | 王景相 | Contactless multi-control single-live-wire touch switch circuit |
| CN105050258A (en) * | 2015-07-07 | 2015-11-11 | 温州市汇谷科技有限公司 | Single-live line time delay switch with fire protection forced startup function |
| WO2018103182A1 (en) * | 2016-12-06 | 2018-06-14 | 东莞市罗姆斯智能家居有限公司 | Single-live dual-control switch wiring method and circuit |
| CN106879147A (en) * | 2017-03-27 | 2017-06-20 | 刘冰冰 | A kind of single live wire total power touch switch circuit |
| CN106879147B (en) * | 2017-03-27 | 2023-08-29 | 刘冰冰 | Single-live-wire full-power touch switch circuit |
| CN107241089A (en) * | 2017-07-03 | 2017-10-10 | 上海小为科技股份有限公司 | A kind of single fiery power taking dual control electronics switch on wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150427 |
|
| EXPY | Termination of patent right or utility model |