CN203563042U - Photoelectric coupling type touch switch - Google Patents
Photoelectric coupling type touch switch Download PDFInfo
- Publication number
- CN203563042U CN203563042U CN201320735320.2U CN201320735320U CN203563042U CN 203563042 U CN203563042 U CN 203563042U CN 201320735320 U CN201320735320 U CN 201320735320U CN 203563042 U CN203563042 U CN 203563042U
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- Prior art keywords
- resistance
- electric capacity
- diode
- counter
- base chip
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- 230000008878 coupling Effects 0.000 title claims abstract description 9
- 238000010168 coupling process Methods 0.000 title claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 abstract description 20
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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Abstract
The utility model discloses a photoelectric coupling type touch switch, which comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first diode, a second diode, a third diode, a load bulb, a counter, a time-base chip, an optoelectronic coupler and a touch metal sheet. According to the technical scheme of the utility model, the load bulb is switched on and off in the touch manner. In this way, the problems in the prior art that a common touch switch is unstable in operation so as to easily cause the occurrence of faulty operations in a moist and strong-interference environment can be effectively solved. The photoelectric coupling type touch switch is good in anti-interference performance and excellent in stability. Meanwhile, the photoelectric coupling type touch switch provided by the utility model has the advantages of simple circuit structure, fewer components and lower manufacturing cost, and is beneficial to popularization.
Description
Technical field
The utility model relates to a kind of ON-OFF control circuit, relates in particular to a kind of photoelectric coupling type soft-touch control.
Background technology
Soft-touch control, it is a kind of emerging product of development in science and technology progress, it is the regeneration product of traditional mechanical push-key type switch on wall, can realize soft-touch control more intelligent, more convenient operation and compare traditional switch and have incomparable advantage, be popular a kind of practical switch in current family product.And most of touch control switches all utilize human body sensing to make circuit that " action " occur, if pinch oscillographic input terminal with finger, waveform on observation oscilloscope, will find, induced signal on human body, in fact be exactly the power frequency component of 50Hz, this employing human body sensing comes control circuit to be easy to be subject to external disturbance and produces misoperation, is unfavorable for promoting.
Utility model content
The purpose of this utility model is just that in order to address the above problem, providing a kind of photoelectric coupling type to touch opens extension.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first diode, the second diode, the 3rd diode, load bulb, counter, time base chip, photoelectrical coupler and touch sheet metal, the first end while of described the first resistance and the first end of described the first electric capacity, the first end of described load bulb is connected with AC power zero line, and the second end of described the first resistance is connected with the negative pole of described the first diode, the anodal while of described the first diode and the live wire of described AC power, the second end of described the second resistance, the second end of described bidirectional triode thyristor, the sequential of described counter allows end, the negative pole of described counter, the second end of described the 4th resistance, the second end of described the 4th electric capacity, the negative pole of base chip when described, the second end of described the 5th electric capacity, the positive pole of the second end of the photo resistance in described photoelectrical coupler and light-emitting diode in described photoelectrical coupler is connected, the second end of described the first electric capacity is connected with the positive pole of described the second diode, the negative pole while of described the second diode and the first end of described the second electric capacity, the positive pole of described counter, the first end of described the 3rd electric capacity, the reset terminal of base chip when described, the positive pole of base chip when described, the first end of described the 5th resistance is connected with the first end of described the 6th resistance, the second end of described the second electric capacity is connected with the first end of described the second resistance, the second end of described load bulb is connected with the first end of described bidirectional triode thyristor, the control end of described bidirectional triode thyristor is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the first output of described counter, the second output of described counter is connected with the positive pole of described the 3rd diode, the negative pole while of described the 3rd diode and the reset terminal of described counter, the second end of described the 3rd electric capacity is connected with the first end of described the 4th resistance, the output of the frequency input of described counter base chip when described is connected, when described, the control voltage end of base chip is connected with the first end of described the 4th electric capacity, the thresholding end of the base chip discharge end of base chip when described simultaneously when described, the second end of described the 5th resistance is connected with the first end of described the 5th electric capacity, when described, the input of base chip is connected with the first end of photo resistance in the second end of described the 6th resistance and described photoelectrical coupler simultaneously, the negative pole of the light-emitting diode in described photoelectrical coupler is connected with the second end of described the 7th resistance, and the first end of described the 7th resistance is connected with described touch sheet metal.
Particularly, described counter is the counter of model C D4017, and when described, base chip is the time base chip of model NE555.
The beneficial effects of the utility model are:
The utility model is lighted and is closed load bulb by touch, effectively solved common soft-touch control job insecurity, under moist and strong interference environment, easily produce the problem of misoperation, there is good anti-interference and stability, circuit structure of the present utility model is simple simultaneously, components and parts used are few, reduced cost of manufacture, are of value to popularization.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the first diode D1, the second diode D2, the 3rd diode D3, load bulb H, counter IC1, time base chip IC 2, photoelectrical coupler Q and touch sheet metal M, the first end while of the first resistance R 1 and the first end of the first capacitor C 1, the first end of load bulb H is connected with AC power zero line N, and the second end of the first resistance R 1 is connected with the negative pole of the first diode D1, the anodal while of the first diode D1 and the live wire of AC power L, the second end of the second resistance R 2, the second end of bidirectional triode thyristor VS, the sequential of counter IC1 allows end, the negative pole of counter IC1, the second end of the 4th resistance R 4, the second end of the 4th capacitor C 4, time base chip IC 2 negative pole, the second end of the 5th capacitor C 5, the positive pole of the second end of the photo resistance in photoelectrical coupler Q and light-emitting diode in photoelectrical coupler Q is connected, and the second end of the first capacitor C 1 is connected with the positive pole of the second diode D2, and the negative pole of the second diode D2 simultaneously and the first end of the second capacitor C 2, the positive pole of counter IC1, the first end of the 3rd capacitor C 3, time base chip IC 2 reset terminal, time base chip IC 2 positive pole, the first end of the 5th resistance R 5 is connected with the first end of the 6th resistance R 6, the second end of the second capacitor C 2 is connected with the first end of the second resistance R 2, the second end of load bulb H is connected with the first end of bidirectional triode thyristor VS, the control end of bidirectional triode thyristor VS is connected with the first end of the 3rd resistance R 3, the second end of the 3rd resistance R 3 is connected with the first output of counter IC1, the second output of counter IC1 is connected with the positive pole of the 3rd diode D3, the negative pole while of the 3rd diode D3 and the reset terminal of counter IC1, the second end of the 3rd capacitor C 3 is connected with the first end of the 4th resistance R 4, the frequency input of counter IC1 with time base chip IC 2 output be connected, time base chip IC 2 control voltage end be connected with the first end of the 4th capacitor C 4, time base chip IC 2 thresholding end simultaneously with time base chip IC 2 discharge end, the second end of the 5th resistance R 5 is connected with the first end of the 5th capacitor C 5, time base chip IC 2 input be connected with the first end of photo resistance in the second end of the 6th resistance R 6 and photoelectrical coupler Q simultaneously, the negative pole of the light-emitting diode in photoelectrical coupler Q is connected with the second end of the 7th resistance R 7, and the first end of the 7th resistance R 7 is connected with touch sheet metal M, counter IC1 is the counter of model C D4017, time base chip IC 2 be the time base chip of model NE555.
As shown in Figure 1: when people's hand touches sheet metal M, lumination of light emitting diode in photoelectrical coupler Q, at this moment the resistance of the photo resistance in photoelectrical coupler Q becomes very little, current potential while making on the input of base chip IC 2 declines, thereby time base chip IC 2 a positive pulse of output output, this pulse signal has been added to the frequency input of counter IC1, make counter IC1 counting once, simultaneously because the state of counter IC1 in being cleared, after this time counting, the first output output of counter IC1 becomes high level, make bidirectional triode thyristor VS enter conducting state, so load bulb H obtains electric starting working.When load bulb H is in running order, if touch again sheet metal M once, time base chip IC 2 send to a counting trigger impulse can to too counter IC1, counter IC1 is once counted, current counting will make counter IC1 the first output become zero potential, thereby make bidirectional triode thyristor VS cut-off, load bulb H dead electricity and quitting work.
Claims (2)
1. a photoelectric coupling type soft-touch control, is characterized in that: comprise the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first diode, the second diode, the 3rd diode, load bulb, counter, time base chip, photoelectrical coupler and touch sheet metal, the first end while of described the first resistance and the first end of described the first electric capacity, the first end of described load bulb is connected with AC power zero line, and the second end of described the first resistance is connected with the negative pole of described the first diode, the anodal while of described the first diode and the live wire of described AC power, the second end of described the second resistance, the second end of described bidirectional triode thyristor, the sequential of described counter allows end, the negative pole of described counter, the second end of described the 4th resistance, the second end of described the 4th electric capacity, the negative pole of base chip when described, the second end of described the 5th electric capacity, the positive pole of the second end of the photo resistance in described photoelectrical coupler and light-emitting diode in described photoelectrical coupler is connected, the second end of described the first electric capacity is connected with the positive pole of described the second diode, the negative pole while of described the second diode and the first end of described the second electric capacity, the positive pole of described counter, the first end of described the 3rd electric capacity, the reset terminal of base chip when described, the positive pole of base chip when described, the first end of described the 5th resistance is connected with the first end of described the 6th resistance, the second end of described the second electric capacity is connected with the first end of described the second resistance, the second end of described load bulb is connected with the first end of described bidirectional triode thyristor, the control end of described bidirectional triode thyristor is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the first output of described counter, the second output of described counter is connected with the positive pole of described the 3rd diode, the negative pole while of described the 3rd diode and the reset terminal of described counter, the second end of described the 3rd electric capacity is connected with the first end of described the 4th resistance, the output of the frequency input of described counter base chip when described is connected, when described, the control voltage end of base chip is connected with the first end of described the 4th electric capacity, the thresholding end of the base chip discharge end of base chip when described simultaneously when described, the second end of described the 5th resistance is connected with the first end of described the 5th electric capacity, when described, the input of base chip is connected with the first end of photo resistance in the second end of described the 6th resistance and described photoelectrical coupler simultaneously, the negative pole of the light-emitting diode in described photoelectrical coupler is connected with the second end of described the 7th resistance, and the first end of described the 7th resistance is connected with described touch sheet metal.
2. a kind of photoelectric coupling type soft-touch control according to claim 1, is characterized in that: described counter is the counter of model C D4017, and when described, base chip is the time base chip of model NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735320.2U CN203563042U (en) | 2013-11-19 | 2013-11-19 | Photoelectric coupling type touch switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735320.2U CN203563042U (en) | 2013-11-19 | 2013-11-19 | Photoelectric coupling type touch switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203563042U true CN203563042U (en) | 2014-04-23 |
Family
ID=50512737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320735320.2U Expired - Fee Related CN203563042U (en) | 2013-11-19 | 2013-11-19 | Photoelectric coupling type touch switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203563042U (en) |
-
2013
- 2013-11-19 CN CN201320735320.2U patent/CN203563042U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20141119 |
|
| EXPY | Termination of patent right or utility model |