CN103633982A - Single-key control switch assembly - Google Patents
Single-key control switch assembly Download PDFInfo
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- CN103633982A CN103633982A CN201310700209.4A CN201310700209A CN103633982A CN 103633982 A CN103633982 A CN 103633982A CN 201310700209 A CN201310700209 A CN 201310700209A CN 103633982 A CN103633982 A CN 103633982A
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- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a single-key control switch assembly. The single-key control switch assembly is characterized by comprising a 12-V direct-current power supply, a bi-state circuit, a steady-state switching circuit and a state indication and level output circuit, wherein the bi-state circuit consists of a time-base circuit IC1, a resistor R1, a resistor R2 and a capacitor C1, and the model number of the time-base circuit IC1 is NE555; the steady-state switching circuit consists of a resistor R3, a capacitor C2 and a key switch AN; in the state indication and level output circuit, a 7th pin of the time-base circuit IC1 is connected with one end of a resistor R4 and a level output terminator, the other end of the resistor R4 is connected with a negative electrode of a light emitting diode (LED), and a positive electrode of the LED is connected with a positive electrode VCC of the circuit. A control switch with a self-locking function is realized by utilizing few conventional elements and one key switch, a power control circuit can be driven by utilizing the circuit output level, and the circuit has the characteristics of simplicity in structure, reliability in action, low cost and the like.
Description
Technical field
The invention belongs to electron controls technology field, relate to a kind of single-button control switch assembly.
Background technology
The shortcoming of common boat type machine self-lock switch or toggle switch is: action is mechanical, operational motion varies with each individual and easily shake contact.In addition, due to the continuous impact of mechanical self-latching switch through long-term large electric current, the as easy as rolling off a log ablation in contact of mechanical self-latching type switch, wearing and tearing.
In order to overcome the certain defect of the congenital existence of existing machinery self-lock switch, the present invention uses a small amount of conventional components and parts with single key switch, to realize the control switch with auto-lock function, that is: press one-touch switching circuit output low level, then press one-touch switching circuit output high level.This control switch adopts conventional components and parts to make, and it has good purposes in household electrical appliance and industrial automation and light, mechanical, electrical integrated facility.Single-button control switch assembly of the present invention can well overcome some defects that mechanical self-latching switch exists, and realizes with a button switch control circuit output level.That its circuit has is simple for structure, reliable in action, the feature such as cheap, can utilize as required circuit output level driving power control circuit.
The circuit that below illustrates single-button control switch assembly of the present invention related correlation technique content in implementation process.
Summary of the invention
Goal of the invention and beneficial effect: the present invention uses a small amount of conventional components and parts with single key switch, to realize the control switch with auto-lock function, presses one-touch switching circuit output low level that is:, then press one-touch switching circuit output high level.This control switch adopts conventional components and parts to make, and it has good purposes in household electrical appliance and industrial automation and light, mechanical, electrical integrated facility.Single-button control switch assembly of the present invention can well overcome some defects that mechanical self-latching switch exists, and realizes with a button switch control circuit output level.That its circuit has is simple for structure, reliable in action, the feature such as cheap, can utilize as required circuit output level driving power control circuit.
Circuit working principle: make single-button control switch assembly with 555 conventional time-base circuits, it have the level of simple circuit, reliable in action, output can Drive and Control Circuit etc. advantage, realize with a key switch and can make circuit output high level or low level, can utilize as required circuit output level driving power control circuit.
Because the dividing potential drop effect of resistance R 1 and resistance R 2 makes the 2nd pin of time-base circuit IC1 and the 6th pin be offset to 1/2 DC power supply voltage, the 3rd pin output level of time-base circuit IC1 has randomness, click key switch AN, the voltage filling in capacitor C 2 adds to the 2nd pin and the 6th pin of time-base circuit IC1, make the voltage of the 6th pin higher than 2/3 DC power supply voltage, time-base circuit IC1 is resetted, the 3rd pin output low level of time-base circuit IC1, the 7th pin of time-base circuit IC1 is output low level also, make LED luminous, circuit enters a stable state simultaneously; Click again key switch AN, discharge off capacitor C 2 is attempted by the 2nd pin and the 6th pin of time-base circuit IC1, and time-base circuit IC1 is resetted, the 7th pin output high level of time-base circuit IC1, LED extinguishes simultaneously, and circuit enters another stable state.
As can be seen here: often press key switch AN once, the high and low level of the 3rd pin of time-base circuit IC1 just converts once.This single-button control switch assembly is no more than 1 second as long as press the time of key switch AN at every turn, just can normally realize the conversion of the high and low level of the 7th pin of time-base circuit IC1.If pressed & hold, switch AN is not put, and the high and low level of the 7th pin of time-base circuit IC1 will convert in turn.
Technical characterictic: single-button control switch assembly, it comprises 12V DC power supply, bistable circuit, stable state commutation circuit, state indication and electrical level output circuit, it is characterized in that:
Bistable circuit: it is comprised of time-base circuit IC1, resistance R 1, resistance R 2 and capacitor C 1, the model that time-base circuit IC1 selects is NE555, the anodal VCC of one termination circuit of the 4th pin of time-base circuit IC1 and the 8th pin and resistance R 1, the 2nd pin of time-base circuit IC1 and the 6th other end of pin connecting resistance R1 and one end of resistance R 2, the 1st pin of time-base circuit IC1 and the other end connection circuit of resistance R 2 ground GND, the 5th pin of time-base circuit IC1 is by capacitor C 1 connection circuit ground GND;
Stable state commutation circuit: it is comprised of resistance R 3, capacitor C 2 and key switch AN, the 6th pin of time-base circuit IC1 connects one end of key switch AN, the 3rd pin of time-base circuit IC1 connects one end of capacitor C 2 and the other end of key switch AN by resistance R 3, the other end connection circuit ground GND of capacitor C 2;
State indication and electrical level output circuit: one end of the 7th pin connecting resistance R4 of time-base circuit IC1 and level output end, the other end of resistance R 4 connects the negative pole of LED, the anodal VCC of anodal connection circuit of LED;
The anodal VCC of anodal connection circuit of 12V DC power supply, the negative pole of 12V DC power supply is connected with circuit ground GND.
Accompanying drawing explanation
Accompanying drawing is the embodiment circuit working schematic diagram that the invention provides a single-button control switch assembly.
Embodiment
According to single-button control switch assembly circuit working schematic diagram shown in the drawings and accompanying drawing explanation, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical parameter described in execution mode requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The selection of components and parts and technical parameter thereof
IC1 is time-base circuit, and the model of selecting is NE555 or LM555, and packing forms is dual inline type 8 pins; Each pin function: the 1st pin connection circuit ground GND; The 2nd pin is trigger end; The 3rd pin output; The 4th pin preset end; The 5th pin is for controlling voltage; The 6th pin thresholding (threshold value); The 7th pin is discharge end; The 8th pin meets positive source VCC;
The resistance of resistance R 1～resistance R 2 is 62K Ω; The resistance of resistance R 3 is 1M Ω; The resistance of resistance R 4 is 910 Ω;
C1 is electric capacity, and its capacity is 0.01 μ F; It is 0.039 μ F polypropylene capactive that capacitor C 2 is selected capacity;
LED is light-emitting diode, selects ￠ 5mm red light emitting diodes;
AN is key switch, can select K-18 type key switch;
Operating current requirement >=the 100mA of 12V DC power supply.
Circuit production main points and circuit debugging
Because of the circuit structure of single-button control switch assembly fairly simple, as long as the electronic devices and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing is welded to specifications, physical connection line and welding quality are after careful inspection is correct, circuit of the present invention does not need to carry out any debugging substantially, and connecting 12V DC power supply can work;
Complete machine maximum operating currenbt is 25mA, because the average operating current of complete machine is less, therefore can use common 12V rectifier power source;
Can utilize as required circuit output level driving power control circuit.
Claims (1)
1. a single-button control switch assembly, it comprises 12V DC power supply, bistable circuit, stable state commutation circuit, state indication and electrical level output circuit, it is characterized in that:
Described bistable electro route time-base circuit IC1, resistance R 1, resistance R 2 and capacitor C 1 form, the model that time-base circuit IC1 selects is NE555, the anodal VCC of one termination circuit of the 4th pin of time-base circuit IC1 and the 8th pin and resistance R 1, the 2nd pin of time-base circuit IC1 and the 6th other end of pin connecting resistance R1 and one end of resistance R 2, the 1st pin of time-base circuit IC1 and the other end connection circuit of resistance R 2 ground GND, the 5th pin of time-base circuit IC1 is by capacitor C 1 connection circuit ground GND;
Described stable state commutation circuit is comprised of resistance R 3, capacitor C 2 and key switch AN, the 6th pin of time-base circuit IC1 connects one end of key switch AN, the 3rd pin of time-base circuit IC1 connects one end of capacitor C 2 and the other end of key switch AN by resistance R 3, the other end connection circuit ground GND of capacitor C 2;
In described state indication and electrical level output circuit, one end of the 7th pin connecting resistance R4 of time-base circuit IC1 and level output end, the other end of resistance R 4 connects the negative pole of LED, the anodal VCC of anodal connection circuit of LED;
The anodal VCC of anodal connection circuit of described 12V DC power supply, the negative pole of 12V DC power supply is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700209.4A CN103633982A (en) | 2013-12-18 | 2013-12-18 | Single-key control switch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700209.4A CN103633982A (en) | 2013-12-18 | 2013-12-18 | Single-key control switch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103633982A true CN103633982A (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310700209.4A Pending CN103633982A (en) | 2013-12-18 | 2013-12-18 | Single-key control switch assembly |
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| CN (1) | CN103633982A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906327A (en) * | 2014-04-23 | 2014-07-02 | 王志 | Multi-point control LED illuminating lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731548A (en) * | 1986-09-29 | 1988-03-15 | Nartron Corporation | Touch control switch circuit |
| CN103227627A (en) * | 2013-04-24 | 2013-07-31 | 奇瑞汽车股份有限公司 | Data acquisition system trigger switch |
| CN203126649U (en) * | 2013-01-19 | 2013-08-14 | 李宁杭 | Non-contact automotive vehicle steering lamp and buzzing controller |
| CN203872151U (en) * | 2013-12-18 | 2014-10-08 | 吴建堂 | Single-key control switch assembly |
-
2013
- 2013-12-18 CN CN201310700209.4A patent/CN103633982A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731548A (en) * | 1986-09-29 | 1988-03-15 | Nartron Corporation | Touch control switch circuit |
| CN203126649U (en) * | 2013-01-19 | 2013-08-14 | 李宁杭 | Non-contact automotive vehicle steering lamp and buzzing controller |
| CN103227627A (en) * | 2013-04-24 | 2013-07-31 | 奇瑞汽车股份有限公司 | Data acquisition system trigger switch |
| CN203872151U (en) * | 2013-12-18 | 2014-10-08 | 吴建堂 | Single-key control switch assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906327A (en) * | 2014-04-23 | 2014-07-02 | 王志 | Multi-point control LED illuminating lamp |
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Application publication date: 20140312 |