CN203313114U - Simple industrial waste gas exhaust control circuit based on bidirectional thyristor control - Google Patents
Simple industrial waste gas exhaust control circuit based on bidirectional thyristor control Download PDFInfo
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- CN203313114U CN203313114U CN2013203822795U CN201320382279U CN203313114U CN 203313114 U CN203313114 U CN 203313114U CN 2013203822795 U CN2013203822795 U CN 2013203822795U CN 201320382279 U CN201320382279 U CN 201320382279U CN 203313114 U CN203313114 U CN 203313114U
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- bidirectional thyristor
- control chip
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Abstract
The utility model discloses a simple industrial waste gas exhaust control circuit based on bidirectional thyristor control. The circuit comprises a bidirectional thyristor, a variable resistor, a control chip, a photoresistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first diode, a second diode, a third diode, a triode, a voltage stabilizing tube and an exhaust air motor. Compared to an industrial waste gas exhaust control apparatus in the prior art, by using the circuit of the utility model, there are the following advantages that the circuit structure is simple; used elements are less; cost is low; simultaneously a light-operated function is possessed; a size is small; installation and control are convenient. The circuit is conducive to popularization.
Description
Technical field
The utility model relates to a kind of industrial waste gas and processes servicing unit, relates in particular to a kind of simple and easy industrial waste gas air draft control circuit of controlling based on bidirectional thyristor.
Background technology
Development and progress along with the industrial age; to people, many sophisticated equipments have been brought; but simultaneous is the exhaust emission that industrial production produces; exhaust emission is very large to environmental impact; these waste gas must just can discharge after treatment; could protect environment, the control device complex structure of industrial waste gas air draft in prior art, cost than high, volume is large, be not easy to install and control.
The utility model content
The purpose of this utility model provides a kind of simple and easy industrial waste gas air draft control circuit of controlling based on bidirectional thyristor with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises bidirectional thyristor, variable resistor, control chip, photo resistance, the first resistance to the four resistance, the first electric capacity to the four electric capacity, the first diode to the three diodes, triode, voltage-stabiliser tube and motor exhaust, the live wire while of AC power and the first end of described motor exhaust, the first end of described the 4th resistance is connected with the positive pole of described the 3rd diode, the zero line while of described AC power and the first end of bidirectional thyristor, the first end of described the 3rd resistance, the first end of described the second resistance, described control chip negative pole, the first end of described the first electric capacity is connected with the first end of described photo resistance, the second end of described bidirectional thyristor is connected with the second end of described motor exhaust, the control end of described bidirectional thyristor is connected with the first end of described the second electric capacity, the second end of described the second electric capacity simultaneously with the second end of described the 3rd resistance and shown in the emitter of triode be connected, the base stage while of described triode and the first end of described the first resistance, the second end of described the second resistance and the signal output part of described control chip are connected, and the second end of described the first resistance is connected with the negative pole of described the 3rd diode, the signal input part while of described control chip and the second end of described the first electric capacity, the second end of described photo resistance, described variable-resistance first end is connected with described variable-resistance sliding end, described variable-resistance the second end simultaneously with the positive pole of described control chip, the collector electrode of described triode, the negative pole of described voltage-stabiliser tube, the first end of described the 3rd electric capacity is connected with the negative pole of described the first diode, the anodal while of described the first diode is connected with the second end of described the 4th resistance with the second end that the first end of the negative pole of described the second diode and described the 4th electric capacity is connected described the 4th electric capacity, the positive pole of described voltage-stabiliser tube, the equal ground connection of positive pole of the second end of described the 3rd electric capacity and described the second diode.
The beneficial effects of the utility model are:
The utility model is with respect to industrial waste gas air exhaust control device of the prior art, has advantages of that circuit structure is simple, adopts element few, with low cost, has advantages of that simultaneously light control functionality, volume are little, is convenient to install and control, and is conducive to promote.
The accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises bidirectional thyristor SCR, variable resistor RT, control chip IC, photo resistance RG, the first resistance R 1 is to the 4th resistance R 4, the first capacitor C 1 is to the 4th capacitor C 4, the first diode D1 to the three diode D3, triode T1, voltage-stabiliser tube DW and motor exhaust FZ, the live wire while of AC power and the first end of motor exhaust FZ, the first end of the 4th resistance R 4 is connected with the positive pole of the 3rd diode D3, the zero line while of AC power and the first end of bidirectional thyristor SCR, the first end of the 3rd resistance R 3, the first end of the second resistance R 2, control chip IC negative pole, the first end of the first capacitor C 1 is connected with the first end of photo resistance RG, the second end of bidirectional thyristor SCR is connected with the second end of motor exhaust FZ, the control end of bidirectional thyristor SCR is connected with the first end of the second capacitor C 2, the second end of the second capacitor C 2 is connected with the emitter of triode T1 with the second end of the 3rd resistance R 3 simultaneously, the base stage while of triode T1 and the first end of the first resistance R 1, the second end of the second resistance R 2 is connected with the signal output part of control chip IC, and the second end of the first resistance R 1 is connected with the negative pole of the 3rd diode D3, the signal input part while of control chip IC and the second end of the first capacitor C 1, the second end of photo resistance RG, the first end of variable resistor RT is connected with the sliding end of variable resistor RT, the second end while of variable resistor RT and the positive pole of control chip IC, the collector electrode of triode T1, the negative pole of voltage-stabiliser tube DW, the first end of the 3rd capacitor C 3 is connected with the negative pole of the first diode D1, the anodal of the first diode D1 is connected with the first end of the 4th capacitor C 4 with the negative pole of the second diode D2 simultaneously, the second end of the 4th capacitor C 4 is connected with the second end of the 4th resistance R 4, the positive pole of voltage-stabiliser tube DW, the equal ground connection of positive pole of the second end of the 3rd capacitor C 3 and the second diode D2.
As shown in Figure 1: supply power voltage is 220V, when extraneous ambient light is darker, photo resistance RG is high value, at the voltage of control chip IC input during higher than 1 times, its cathode power supply end, its output also is high value, so legal cycle conducting of the triode T1 that line voltage connects after making by resistance, and every half cycle forms a trigger impulse at the emitter place, make motor exhaust FZ energising, when illumination is stronger, it is negative that control chip IC output becomes, and makes triode T1 and bidirectional thyristor gate pole no current, and circuit is obstructed.
Claims (1)
1. a simple and easy industrial waste gas air draft control circuit of controlling based on bidirectional thyristor, is characterized in that: comprise bidirectional thyristor, variable resistor, control chip, photo resistance, the first resistance to the four resistance, the first electric capacity to the four electric capacity, the first diode to the three diodes, triode, voltage-stabiliser tube and motor exhaust, the live wire while of AC power and the first end of described motor exhaust, the first end of described the 4th resistance is connected with the positive pole of described the 3rd diode, the zero line while of described AC power and the first end of bidirectional thyristor, the first end of described the 3rd resistance, the first end of described the second resistance, described control chip negative pole, the first end of described the first electric capacity is connected with the first end of described photo resistance, the second end of described bidirectional thyristor is connected with the second end of described motor exhaust, the control end of described bidirectional thyristor is connected with the first end of described the second electric capacity, the second end of described the second electric capacity is connected with the second end of described the 3rd resistance and the emitter of described triode simultaneously, the base stage while of described triode and the first end of described the first resistance, the second end of described the second resistance and the signal output part of described control chip are connected, and the second end of described the first resistance is connected with the negative pole of described the 3rd diode, the signal input part while of described control chip and the second end of described the first electric capacity, the second end of described photo resistance, described variable-resistance first end is connected with described variable-resistance sliding end, described variable-resistance the second end simultaneously with the positive pole of described control chip, the collector electrode of described triode, the negative pole of described voltage-stabiliser tube, the first end of described the 3rd electric capacity is connected with the negative pole of described the first diode, the anodal of described the first diode is connected with the first end of described the 4th electric capacity with the negative pole of described the second diode simultaneously, the second end of described the 4th electric capacity is connected with the second end of described the 4th resistance, the positive pole of described voltage-stabiliser tube, the equal ground connection of positive pole of the second end of described the 3rd electric capacity and described the second diode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2013203822795U CN203313114U (en) | 2013-06-28 | 2013-06-28 | Simple industrial waste gas exhaust control circuit based on bidirectional thyristor control |
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CN2013203822795U CN203313114U (en) | 2013-06-28 | 2013-06-28 | Simple industrial waste gas exhaust control circuit based on bidirectional thyristor control |
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CN2013203822795U Expired - Fee Related CN203313114U (en) | 2013-06-28 | 2013-06-28 | Simple industrial waste gas exhaust control circuit based on bidirectional thyristor control |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104684143A (en) * | 2013-11-29 | 2015-06-03 | 海洋王(东莞)照明科技有限公司 | Light control circuit and lamp |
-
2013
- 2013-06-28 CN CN2013203822795U patent/CN203313114U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104684143A (en) * | 2013-11-29 | 2015-06-03 | 海洋王(东莞)照明科技有限公司 | Light control circuit and lamp |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 610041, 2, 3, 1, two South Road, Chengdu hi tech Zone, Sichuan, China Patentee after: Sichuan treasure Environment Technology Co Ltd Address before: 202 room 1, building 24, 610041 Yongfeng Road, hi tech Zone, Sichuan, Chengdu Patentee before: Sichuan Bao Ying Photoelectric Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20180628 |
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CF01 | Termination of patent right due to non-payment of annual fee |