CN2239116Y - Single inlet wire induction touch electronic light switch - Google Patents
Single inlet wire induction touch electronic light switch Download PDFInfo
- Publication number
- CN2239116Y CN2239116Y CN 95230347 CN95230347U CN2239116Y CN 2239116 Y CN2239116 Y CN 2239116Y CN 95230347 CN95230347 CN 95230347 CN 95230347 U CN95230347 U CN 95230347U CN 2239116 Y CN2239116 Y CN 2239116Y
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- CN
- China
- Prior art keywords
- control circuit
- circuit
- touch
- control
- touch point
- 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
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Abstract
The utility model relates to a single inlet wire induction touch electronic lighting switch, comprising a master control circuit, an opening control circuit, and a closing control circuit, wherein, the main control circuit is composed of a self-feeding transformer and a bidirectional controlled silicon; the opening and closing control circuits are respectively formed by an opening (closing) touch point, an induction end, an amplifying circuit, a voltage-doubler rectifier circuit, and the emitter follower of a clad pipe (clad pipe), wherein, the power supply of the turning off control circuit is supplied by the secondary coil of the self-feeding transformer; the output ends of the turning on and turning off control circuits are connected with the control electrode of the bidirectional controlled silicon; the turning on and turning off touch points are used as an insulating casing. The utility model has the advantages of simple structure, low cost, and high safety.
Description
The utility model belongs to a kind of electronic switching device, and particularly a kind of single inlet wire induction type touches the electrical lighting switch.
At present, the touch lighting switch that uses in the building is two inlet wire soft-touch controls, its feature is two inlet wire structures, and by touching sheet metal, oscillating circuit and executive circuit constitute, and after touching sheet metal with hand, can change the operating state of oscillating circuit, and then the operating state of control executive circuit, realize switch control to main circuit.Because its touching device is a sheet metal, in case circuit inside changes, might produce the high pressure feedback, make to have high pressure on the sheet metal, thereby human body is damaged.Therefore, the coefficient of safety of two inlet wire soft-touch controls is little; In addition, the hookup wire radical of two inlet wire soft-touch controls is many and adopt integrated circuit mostly, thereby the cost height.
The purpose of this utility model is to provide a kind of safe and reliable, simple in structure and single inlet wire induction type that cost is low to touch the electrical lighting switch.
The utility model is achieved in that it is by main control circuit, the open control circuit and three parts that switch off control circuit are formed, wherein main control circuit is made of the bidirectional triode thyristor of self-supporting transformer between load end that is connected on this soft-touch control and the current enter and the self-supporting transformer operating state of control, open control circuit is by opening the touch point, with open the induction end that the touch point joins, be used for and touch the amplifying circuit of the signal amplification of being responded to, two voltage doubling rectifying circuit and multiple tube emitter follower are formed, and the load end of this touch switch passes through rectifying tube, step-down and current-limiting resistance and filter capacitor connect the power end of open control circuit, be used for providing power supply for open control circuit, the control of the bidirectional triode thyristor in the output of open control circuit and the main control circuit extremely links to each other, be used to control the silicon controlled operating state, describedly switch off control circuit by turn-offing the touch point, with turn-off the induction end that the touch point joins, the amplifying circuit of the signal amplification of being responded to will be touched, two voltage doubling rectifying circuit and multiple tube constitute, the power supply that wherein switches off control circuit by self-supporting transformer secondary output coil through rectifying tube and filter capacitor rectification, supply with after the filtering, and the output that switches off control circuit also extremely links to each other with the control of described bidirectional triode thyristor, be used to control the silicon controlled operating state, above-mentioned unlatching and shutoff touch point promptly are by respective point on the shell of nonconductive material one-tenth.
Because what this soft-touch control touched with hand is insulant and non-metal plate, will touch the small-signal of being responded to again amplifies the switch of controlling main control circuit, therefore, its coefficient of safety height, safe and reliable; In addition, its inlet wire is the non-traditional two inlet wire structures of single inlet wire structure, thereby, simple in structure and can save hookup wire about 1/3, and then reduce cost; In addition, this list service entrance switch also can be made various external forms, satisfying different needs, and the particularly alternative existing switching plate of removing, therefore, practicality is extremely strong.
The drawing explanation:
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is a circuit structure diagram of the present utility model.
Provide embodiment of the present utility model below in conjunction with accompanying drawing:
As shown in the figure, this list inlet wire induction type touches the electrical lighting switch and is made up of main control circuit, open control circuit and three parts that switch off control circuit, wherein main control circuit is made of the bidirectional triode thyristor SCR that is connected on the self-supporting transformer B between load end 13, the current enter 14 and is used to control self-supporting transformer B operating state, said open control circuit by open touch point 15, with open induction end 1 that touch point 15 joins, be used for and will touch that the small-signal of being responded to is amplified and by triode BG
1～BG
3, resistance R
2～R
4, coupling capacitance C
3The three-stage amplifier 2 that constitutes is by triode D
3～D
4, capacitor C
4～C
5The two voltage doubling rectifying circuit 3 that constitutes is by multiple tube BG
4～BG
5With emitter resistance R
5The multiple tube emitter-follower 4 that constitutes constitutes, and wherein the load end 13 of this soft-touch control is by current limliting and dropping resistor R
1, rectifying tube D
1The rectification reduction voltage circuit and the filter capacitor C that constitute
1The filter circuit that constitutes connects the power end 6 of open control circuit, is used for providing power supply to open control circuit, and the output 5 of this open control circuit, i.e. multiple tube BG
1～BG
2Emitter and main control circuit in the control of controllable silicon SCR extremely link to each other, be used to control the operating state of controllable silicon SCR, said switch off control circuit form by following circuit unit: turn-off touch point 16, and turn-off the induction end 7 that touch point 16 joins, by triode BG
8～BG
10, resistance R
6～R
7, coupling capacitance C
8(three grades) amplifying circuit 8 that constitutes is by capacitor C
6～C
7, diode D
5～D
6The two voltage doubling rectifying circuit 9 that constitutes is by triode BG
6～BG
7With collector resistance R
8The multiple tube 10 that constitutes; The power end 12 that wherein switches off control circuit is by filter capacitor C
2With rectifying tube D
2Link to each other with the secondary coil of self-supporting transformer B, so that provide power supply for it by self-supporting transformer B, and the output 11 that switches off control circuit, the collector electrode that is multiple tube 10 extremely links to each other with the control of bidirectional triode thyristor SCR, be used for controlling the operating state of controllable silicon SCR, described amplifying circuit 2 and 8 is according to actual conditions, also can adopt secondary or level Four to amplify, above-mentioned electronic building brick is contained in the shell of being made by insulating material, and touch point 15,16 is on the shell respective point and links to each other with induction end 1,7, and induction end 1,7 is a sheet metal.
When reality is used, the load end 13 of this list inlet wire soft-touch control connects load, its current enter 14 connects the 220V power firestreak, when not touching the touch point, owing between load end 13 and current enter 14, exist near the 220V step-down, make the power end 6 of open control circuit that current potential also be arranged, after touching unlatching touch point 15 with hand, in small-signal that induction end 1 is responded to after amplifying circuit 2 amplifies, behind two voltage doubling rectifying circuit 3, the d. c. voltage signal of generation is through the voltage V of multiple tube emitter follower 4 outputs again
R5Make the controllable silicon SCR conducting, and then make self-supporting transformer B conducting, connect main control circuit, promptly connect lighting circuit, the secondary coil of self-supporting transformer B of while gets electric, through diode D
2, resistance R
8And R
5Constitute the loop, keep controllable silicon SCR and be in conducting state, and then keep the conducting state of main circuit, in case and after the main circuit conducting, the power end 6 in the open control circuit will lose current potential immediately, then open control circuit is in the state of quitting work.
After touching shutoff touch point 16 with hand, the small-signal of being responded in induction end 7 is after amplification, rectification, multiplication of voltage, make multiple tube 10 be in saturation condition again, the control that makes controllable silicon SCR is electronegative potential very, thereby controllable silicon SCR is ended, make main control circuit be in off state again, extinguish by the load (illuminating lamp) of its control, after touching unlatching touch point 15 with hand again, repeat said process again.
Claims (2)
1. a single inlet wire induction type touches the electrical lighting switch, by main control circuit, the open control circuit and three parts that switch off control circuit are formed, it is characterized in that, described main control circuit is made of the bidirectional triode thyristor (SCR) of self-supporting transformer (B) between load end that is connected on this soft-touch control (13) and the current enter (14) and control self-supporting transformer (B) operating state, open control circuit is by opening touch point (15), with open the induction end (1) that touch point (15) joins, be used for and touch the amplifying circuit (2) of the signal amplification of being responded to, two voltage doubling rectifying circuit (3) and multiple tube emitter follower (4) are formed, and the load end of this touch switch (13) is by rectifying tube (D
1), step-down and current-limiting resistance (R
1) and filter capacitor (C
1) connect the power end (6) of open control circuit, be used for providing power supply for open control circuit, the control of the bidirectional triode thyristor (SCR) in the output of open control circuit (5) and the main control circuit extremely links to each other, be used to control the operating state of controllable silicon (SCR), describedly switch off control circuit by turn-offing touch point (16), with turn-off the induction end (7) that touch point (16) joins, the amplifying circuit (8) of the signal amplification of being responded to will be touched, two voltage doubling rectifying circuit (9) and multiple tube (10) constitute, the power supply that wherein switches off control circuit (12) by self-supporting transformer (B) secondary coil through rectifying tube (D
2) and filter capacitor (C
2) supply with after the rectification, filtering, and the output that switches off control circuit (11) also extremely links to each other with the control of controllable silicon (SCR), be used to control the operating state of controllable silicon (SCR), above-mentioned unlatching and shutoff touch point (15,16) promptly are by respective point on the shell of nonconductive material one-tenth.
2. single inlet wire induction type according to claim 1 touches the electrical lighting switch, it is characterized in that described amplifying circuit (2,8) is a three-stage amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95230347 CN2239116Y (en) | 1995-02-24 | 1995-02-24 | Single inlet wire induction touch electronic light switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95230347 CN2239116Y (en) | 1995-02-24 | 1995-02-24 | Single inlet wire induction touch electronic light switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2239116Y true CN2239116Y (en) | 1996-10-30 |
Family
ID=33875211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95230347 Expired - Fee Related CN2239116Y (en) | 1995-02-24 | 1995-02-24 | Single inlet wire induction touch electronic light switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2239116Y (en) |
-
1995
- 1995-02-24 CN CN 95230347 patent/CN2239116Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |