CN205051913U

CN205051913U - Touch lamps and lanterns switch of double key

Info

Publication number: CN205051913U
Application number: CN201520608964.4U
Authority: CN
Inventors: 周玉林
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-13
Filing date: 2015-08-13
Publication date: 2016-02-24
Anticipated expiration: 2025-08-13

Abstract

The utility model discloses a touch lamps and lanterns switch of double key, its characteristic includes: 220V alternating current power supply, 12V direct current voltage stabilizing circuit, bistable circuit and touch electrode, level upset and amplifier circuit, the two -way thyristor control circuit of light, bistable circuit in the model chooseed for use of two inputs, four NAND gate integrated circuit IC1 for CD4011. In order to overcome the partial defect that the mechanical type switch exists, the utility model discloses utilize the electron mode to replace a circuit of mechanical type switch, through finger touch electrode can control circuit operating condition. The used core parts of touch lamps and lanterns switch of double key are CD4011, but control device such as the high level direct drive silicon controlled rectifier of its output or direct current relay, its technical scheme can extensively use in the aspect of electrical apparatus, instrument and automatic control etc..

Description

Double bond touch type lamp switch

Technical field

The utility model belongs to electronics and automatic control technology field, is about a kind of double bond touch type lamp switch.

Background technology

The shortcoming of mechanical switch be large by touch amount, switch speed is slow, contact is easily shaken, easily produce spark, easy mechanical wear, and mechanical switch is not easy to combinationally use with the equipment such as automatic control circuit or instrument.In order to overcome the segmental defect that mechanical switch exists, double bond touch type lamp switch profit described in the utility model electronically replaces a kind of circuit of mechanical switch, is got final product the operating state of control circuit by finger touch electrode.Double bond touch type lamp switch described in the utility model core parts used are CD4011, and its high level exported can the device such as Direct driver controllable silicon or direct current relay, and its technical scheme can extensively in electrical equipment, instrument and use in automatically controlling etc.

Below describe in detail double bond touch type lamp switch described in the utility model necessity involved in implementation process, guardian technique content.

Utility model content

Goal of the invention and beneficial effect: in order to overcome the segmental defect that mechanical switch exists, double bond touch type lamp switch described in the utility model overcomes the defect that mechanical switch exists, its profit electronically replaces a kind of circuit of mechanical switch, is got final product the operating state of control circuit by finger touch electrode.Double bond touch type lamp switch described in the utility model core parts used are CD4011, and its high level exported can the device such as Direct driver controllable silicon or direct current relay, and its technical scheme can extensively in electrical equipment, instrument and use in automatically controlling etc.

Circuit working principle: touch two touch electrodes respectively by finger, what reach control light fixture opens or closes object.Make touch electrode K and touch electrode G with sheet metal, when finger does not touch touch electrode K or touch electrode G, circuit does not work; When finger touches touch electrode K and touch electrode G simultaneously, be equivalent to access equivalent resistance, circuit does not also work.

Circuit connects: the model of two input four NAND gate integrated circuit (IC) 1 is CD4011, and circuit is connected into rest-set flip-flop, and trigger has memory function; 12nd pin of two input four NAND gate integrated circuit (IC) 1 and the 8th pin connect touch electrode K, the 10th pin of touch electrode G, IC1 and the 11st pin of IC1 respectively and are output, and be high level first, another is then low level; The 14th pin connection circuit positive pole VCC of the 7th pin connection circuit ground GND, the IC1 of IC1.

When finger touch touch electrode karat gold belong to sheet time, 12nd pin of IC1 is low level, now the 11st pin of IC1 is high level, and at this moment the 11st pin of IC1 reaches the 9th pin of IC1 is high level, and the 8th pin of IC1 is also high level, 10th pin of IC1 becomes low level, deliver to the 5th pin of IC1, the 6th pin after anti-phase, the 4th pin of IC1 transfers high level to, is then added to the control pole G of bidirectional triode thyristor SCR by trigger resistance R3, make bidirectional triode thyristor SCR conducting, illuminating lamp HL is lit.

When finger touches touch electrode G sheet metal on circuit, 8th pin of IC1 is low level, therefore, 10th pin of IC1 is high level, deliver to the 5th pin of IC1, the 6th pin anti-phase after, 4th pin of IC1 transfers low level to, and low level makes bidirectional triode thyristor SCR lose trigger current by trigger resistance R3 and ends, and illuminating lamp HL extinguishes.

C1, C2 in circuit are coupling capacitance, and it causes leaky to prevent because Individual elements in circuit damages.Electric capacity C4 in circuit, silicon rectifier diode D1, voltage stabilizing didoe DW and electrochemical capacitor C3 form 12V direct current regulation circuit.

Technical characteristic: double bond touch type lamp switch, it comprises 220V AC power, 12V direct current regulation circuit, bistable circuit and touch electrode, level upset and amplifying circuit, illuminating lamp control circuit of bidirectional thyristor, it is characterized in that:

Bistable circuit and touch electrode: it is by two input four NAND gate integrated circuit (IC) 1, touch electrode K and electric capacity C1, touch electrode G and electric capacity C2, resistance R1 and resistance R2 forms, the model that two input four NAND gate integrated circuit (IC) 1 are selected is CD4011, touch electrode K inputs the 12nd pin of four NAND gate integrated circuit (IC) 1 by a termination two of electric capacity C1 and resistance R2, the other end connection circuit positive pole VCC of resistance R2, touch electrode G inputs the 8th pin of four NAND gate integrated circuit (IC) 1 by a termination two of electric capacity C2 and resistance R1, the other end connection circuit positive pole VCC of resistance R1, 13rd pin of two input four NAND gate integrated circuit (IC) 1 connects the 10th pin of two input four NAND gate integrated circuit (IC) 1, 9th pin of two input four NAND gate integrated circuit (IC) 1 connects the 11st pin of two input four NAND gate integrated circuit (IC) 1, 14th pin connection circuit positive pole VCC of two input four NAND gate integrated circuit (IC) 1, 7th pin connection circuit ground GND of two input four NAND gate integrated circuit (IC) 1,

Level upset and amplifying circuit: it is made up of two input four NAND gate integrated circuit (IC) 1 and trigger resistance R3,5th pin of two input four NAND gate integrated circuit (IC) 1 is connected with the 10th pin that the 6th pin and two inputs four NAND gate integrated circuit (IC) 1, and the 4th pin of two input four NAND gate integrated circuit (IC) 1 connects illuminating lamp control circuit of bidirectional thyristor by trigger resistance R3;

Illuminating lamp control circuit of bidirectional thyristor: it is made up of bidirectional triode thyristor SCR and illuminating lamp HL, the control pole G of bidirectional triode thyristor SCR connects the 4th pin of two input four NAND gate integrated circuit (IC) 1 by trigger resistance R3, the second plate T2 of bidirectional triode thyristor SCR meets 220V AC power live wire end L by illuminating lamp HL, the first anode T1 connection circuit ground GND of bidirectional triode thyristor SCR;

12V direct current regulation circuit; It is made up of electric capacity C4, silicon rectifier diode D1, voltage stabilizing didoe DW and electrochemical capacitor C3, the positive pole of silicon rectifier diode D1 meets the live wire end L of 220V AC power by electric capacity C4, the negative pole of silicon rectifier diode D1 connects the negative pole of voltage stabilizing didoe DW and the positive pole of electrochemical capacitor C3, and the positive pole of voltage stabilizing didoe DW and the negative pole of electrochemical capacitor C3 meet the zero line side N of 220V AC power;

The positive pole of 12V direct current regulation circuit is connected with circuit anode VCC, and the negative pole of 12V direct current regulation circuit is connected with circuit ground GND.

Accompanying drawing explanation

Accompanying drawing 1 is the embodiment circuit working schematic diagram that the utility model provides a double bond touch type lamp switch.

Embodiment

According to the double bond touch type lamp switching circuit fundamental diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in utility model content, and components and parts technical parameter described in execution mode requires and circuit production main points are carried out enforcement and can be realized the utility model, is further described correlation technique of the present utility model below in conjunction with embodiment.

The technical parameter of components and parts and selection requirement

IC1 is two input four NAND gate integrated circuits, and the model selected is CD4011, and embodiment only uses 3 NAND gate circuit wherein, and two input four NAND gate integrated circuit (IC) 1 do not have the necessary all connection circuits ground GND of pin used;

D1 is silicon rectifier diode, and the model selected is 1N4007, and parameter is 1A/400V;

DW is voltage stabilizing didoe, and parameter is 12V, 0.5W;

SCR is bidirectional triode thyristor, and parameter is 1A/400V;

Resistance selects power to be 1/8W metalfilmresistor, and resistance R1 and resistance R2 resistance are 9.1M Ω; The resistance of resistance R3 is 2.2K Ω;

C1, C2 are electric capacity, and its capacity is the electric capacity of the dacron of 6800PF/400V; C3 is electrochemical capacitor, and its capacity is 470 μ F/25V; C4 is electric capacity, and its capacity is the electric capacity of the dacron of 0.47 μ F/450V;

K, G are touch electrode, use ￠ 8mm sheet brass or sheet copper to make, or with making 10mm × 10mm square touch electrode;

HL is illuminating lamp, requires power≤100W, and illuminating lamp can be refuted and be connect light-emitting diode (LED) lamp.

Circuit production main points and circuit debugging

Because the circuit structure of double bond touch type lamp switch is fairly simple, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present utility model only needs to debug simply and can normally work;

Reliably working near strong power equipment can had to make touch-type switch circuit, in order to avoid or alleviate electromagnetic interference, the touch electrode K of double bond touch type lamp switch and the lead-in wire of touch electrode G touch electrode are as far as possible away from other pin of two input four NAND gate integrated circuit (IC) 1;

Two input four NAND gate integrated circuit (IC) 1 are CMOS integrated circuit, and it is easy to damage because of static discharge.Therefore, weld time two input the pin of four NAND gate integrated circuit (IC) 1 time, human body and circuit board must be kept to have ground protection.IC socket can be used if desired, with to prevent in welding process IC1 damage by electrostatic;

A suggestion: the pin that two input four NAND gate integrated circuit (IC) 1 do not use must whole connection circuit ground! Use metal shell outside circuit board, and metal shell should be connected properly with circuit ground GND;

If circuit working is abnormal, check circuit is first answered to weld whether there is connection error; Secondly whether all aerial lugs of check circuit are wrong, and any mistake all can cause circuit working not normal; 3rd is that after guaranteeing IC1 insertion socket, each pin does not bend, and checks whether other element damages or degradation.

Circuit structure design of the present utility model, components' placement; and the shape of its outward appearance and size etc. are not all key technologies of the present utility model; neither the claimed guardian technique content of the utility model; because not affecting the realization of the utility model specific implementation process and utility model object, therefore do not illustrate one by one in the description.

Claims

1. a double bond touch type lamp switch, it comprises 220V AC power, 12V direct current regulation circuit, bistable circuit and touch electrode, level upset and amplifying circuit, illuminating lamp control circuit of bidirectional thyristor, it is characterized in that:

Described bistable circuit and touch electrode are by two input four NAND gate integrated circuit (IC) 1, touch electrode K and electric capacity C1, touch electrode G and electric capacity C2, resistance R1 and resistance R2 forms, the model that two input four NAND gate integrated circuit (IC) 1 are selected is CD4011, touch electrode K inputs the 12nd pin of four NAND gate integrated circuit (IC) 1 by a termination two of electric capacity C1 and resistance R2, the other end connection circuit positive pole VCC of resistance R2, touch electrode G inputs the 8th pin of four NAND gate integrated circuit (IC) 1 by a termination two of electric capacity C2 and resistance R1, the other end connection circuit positive pole VCC of resistance R1, 13rd pin of two input four NAND gate integrated circuit (IC) 1 connects the 10th pin of two input four NAND gate integrated circuit (IC) 1, 9th pin of two input four NAND gate integrated circuit (IC) 1 connects the 11st pin of two input four NAND gate integrated circuit (IC) 1, 14th pin connection circuit positive pole VCC of two input four NAND gate integrated circuit (IC) 1, 7th pin connection circuit ground GND of two input four NAND gate integrated circuit (IC) 1,

Described level upset and amplifying circuit are made up of two input four NAND gate integrated circuit (IC) 1 and trigger resistance R3,5th pin of two input four NAND gate integrated circuit (IC) 1 is connected with the 10th pin that the 6th pin and two inputs four NAND gate integrated circuit (IC) 1, and the 4th pin of two input four NAND gate integrated circuit (IC) 1 connects illuminating lamp control circuit of bidirectional thyristor by trigger resistance R3;

Described illuminating lamp control circuit of bidirectional thyristor is made up of bidirectional triode thyristor SCR and illuminating lamp HL, the control pole G of bidirectional triode thyristor SCR connects the 4th pin of two input four NAND gate integrated circuit (IC) 1 by trigger resistance R3, the second plate T2 of bidirectional triode thyristor SCR meets 220V AC power live wire end L by illuminating lamp HL, the first anode T1 connection circuit ground GND of bidirectional triode thyristor SCR;

Described 12V direct current regulation circuit is made up of electric capacity C4, silicon rectifier diode D1, voltage stabilizing didoe DW and electrochemical capacitor C3, the positive pole of silicon rectifier diode D1 meets the live wire end L of 220V AC power by electric capacity C4, the negative pole of silicon rectifier diode D1 connects the negative pole of voltage stabilizing didoe DW and the positive pole of electrochemical capacitor C3, and the positive pole of voltage stabilizing didoe DW and the negative pole of electrochemical capacitor C3 meet the zero line side N of 220V AC power;

The positive pole of described 12V direct current regulation circuit is connected with circuit anode VCC, and the negative pole of 12V direct current regulation circuit is connected with circuit ground GND.