CN204496205U - A kind of carbon monoxide air purifier circuit - Google Patents
A kind of carbon monoxide air purifier circuit Download PDFInfo
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- CN204496205U CN204496205U CN201520239173.9U CN201520239173U CN204496205U CN 204496205 U CN204496205 U CN 204496205U CN 201520239173 U CN201520239173 U CN 201520239173U CN 204496205 U CN204496205 U CN 204496205U
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Abstract
The utility model discloses a kind of carbon monoxide air purifier circuit, comprise transformer T1, chip U1, rectifier bridge Q, three terminal regulator U2, gas sensor VS and chip U3.The utility model carbon monoxide air purifier circuit structure is simple, required electronic component is cheap, and it is energy-conservation, when only having the carbonomonoxide concentration when between gas sensor VS pin 2 and pin 4 to be more than or equal to 300mg/kg, ozone electron tube just can connect generation ozone and reaction of carbon monoxide synthesizes harmless carbon dioxide, is especially applicable to kitchen and uses.
Description
Technical field
The utility model relates to a kind of air purifier, specifically a kind of carbon monoxide air purifier circuit.
Background technology
Modern society is along with industrial expansion; air pollution is more and more serious; very urgent to the protection of environment; and carbon monoxide is as a kind of toxic gas; can not arbitrarily discharge especially; and carbon monoxide is as the principal ingredient of coal gas, more or less all can reveals to some extent when family uses, have great threat to health.
Utility model content
The purpose of this utility model is the carbon monoxide air purifier circuit providing a kind of circuit structure simple and effective, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of carbon monoxide air purifier circuit, comprise transformer T1, chip U1, rectifier bridge Q, three terminal regulator U2, gas sensor VS and chip U3, described transformer T1 coil L1 two ends connect 220V alternating current two ends respectively, transformer T1 coil L2 one end is connecting valve S and relay K M contact KM-2 respectively, the relay K M contact KM-2 other end is the connecting valve S other end and chip U1 pin 1 respectively, chip U1 pin 2 is connection transformer T1 coil L2 respectively, transformer T1 coil L3 and rectifier bridge Q pin 1, the transformer T1 coil L3 other end connects rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C1 and three terminal regulator U2 pin 1 respectively, rectifier bridge Q pin 4 connects the electric capacity C1 other end respectively, three terminal regulator U2 pin 2 and electric capacity C2 ground connection, the electric capacity C2 other end connects three terminal regulator U2 pin 3 and diode D2 negative pole respectively, described chip U1 pin 3 and pin 4 connection transformer T2 coil L6 two ends respectively, transformer T2 coil L7 two ends connect ozone electron tube G two ends respectively, described diode D2 positive pole connects relay K M coil and triode VT1 emitter respectively, triode VT1 collector is contact resistance R1 respectively, diode D1 negative pole, electric capacity C3, electric capacity C4, chip U3 pin 1 and transformer T3 coil L4, triode VT1 base stage contact resistance R2, the resistance R2 other end connects the electric capacity C3 other end respectively, diode D1 positive pole and gas sensor VS pin 2, the gas sensor VS pin 3 contact resistance R1 other end, gas sensor VS pin 1 connects gas sensor VS pin 4 respectively, the relay K M other end and resistance R3, the resistance R3 other end connects relay K M contact KM-1, the relay K M contact KM-1 other end is contact resistance R4 respectively, chip U3 pin 4 and chip U3 pin 8, the resistance R4 other end is contact resistance R5 and chip U3 pin 7 respectively, the resistance R5 other end connects the electric capacity C4 other end and chip U3 pin 2 and chip U3 pin 6 respectively, chip U3 pin 3 connects electric capacity C5, the electric capacity C5 other end connection transformer T3 coil L4 other end, transformer T3 coil L5 two ends connect piezoelectric buzzer HTD two ends respectively.
As further program of the utility model: described chip U1 model is TWH9222.
As further program of the utility model: described three terminal regulator U2 model is CW7805.
As the utility model further scheme: described chip U3 model is NE555.
Compared with prior art, the beneficial effects of the utility model are: the utility model carbon monoxide air purifier circuit structure is simple, required electronic component is cheap, and it is energy-conservation, when only having the carbonomonoxide concentration when between gas sensor VS pin 2 and pin 4 to be more than or equal to 300mg/kg, ozone electron tube just can connect generation ozone and reaction of carbon monoxide synthesizes harmless carbon dioxide, is especially applicable to kitchen and uses.
Accompanying drawing explanation
Fig. 1 is a kind of circuit diagram of carbon monoxide air purifier circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of carbon monoxide air purifier circuit, comprise transformer T1, chip U1, rectifier bridge Q, three terminal regulator U2, gas sensor VS and chip U3, transformer T1 coil L1 two ends connect 220V alternating current two ends respectively, transformer T1 coil L2 one end is connecting valve S and relay K M contact KM-2 respectively, the relay K M contact KM-2 other end is the connecting valve S other end and chip U1 pin 1 respectively, chip U1 pin 2 is connection transformer T1 coil L2 respectively, transformer T1 coil L3 and rectifier bridge Q pin 1, the transformer T1 coil L3 other end connects rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C1 and three terminal regulator U2 pin 1 respectively, rectifier bridge Q pin 4 connects the electric capacity C1 other end respectively, three terminal regulator U2 pin 2 and electric capacity C2 ground connection, the electric capacity C2 other end connects three terminal regulator U2 pin 3 and diode D2 negative pole respectively, chip U1 pin 3 and pin 4 connection transformer T2 coil L6 two ends respectively, transformer T2 coil L7 two ends connect ozone electron tube G two ends respectively, diode D2 positive pole connects relay K M coil and triode VT1 emitter respectively, triode VT1 collector is contact resistance R1 respectively, diode D1 negative pole, electric capacity C3, electric capacity C4, chip U3 pin 1 and transformer T3 coil L4, triode VT1 base stage contact resistance R2, the resistance R2 other end connects the electric capacity C3 other end respectively, diode D1 positive pole and gas sensor VS pin 2, the gas sensor VS pin 3 contact resistance R1 other end, gas sensor VS pin 1 connects gas sensor VS pin 4 respectively, the relay K M other end and resistance R3, the resistance R3 other end connects relay K M contact KM-1, the relay K M contact KM-1 other end is contact resistance R4 respectively, chip U3 pin 4 and chip U3 pin 8, the resistance R4 other end is contact resistance R5 and chip U3 pin 7 respectively, the resistance R5 other end connects the electric capacity C4 other end and chip U3 pin 2 and chip U3 pin 6 respectively, chip U3 pin 3 connects electric capacity C5, the electric capacity C5 other end connection transformer T3 coil L4 other end, transformer T3 coil L5 two ends connect piezoelectric buzzer HTD two ends respectively.
Chip U1 model is TWH9222.
Three terminal regulator U2 model is CW7805.
Chip U3 model is NE555.
Principle of work of the present utility model is: when the carbonomonoxide concentration when between gas sensor VS pin 2 and pin 4 is more than or equal to 300mg/kg, its resistance diminishes, triode VT1 conducting, relay K M adhesive, connect warning circuit and ozone producing circuit, ozone in environment and carbon monoxide synthesize harmless carbon dioxide, carbonomonoxide concentration can be made to reduce, gas sensor reverts to high value state, triode VT1 ends, relay K M discharges, and ozone producing circuit and warning circuit are all quit work.The utility model carbon monoxide air purifier circuit structure is simple, and required electronic component is cheap, and energy-conservation, is especially applicable to kitchen and uses.
Claims (4)
1. a carbon monoxide air purifier circuit, comprise transformer T1, chip U1, rectifier bridge Q, three terminal regulator U2, gas sensor VS and chip U3, it is characterized in that, described transformer T1 coil L1 two ends connect 220V alternating current two ends respectively, transformer T1 coil L2 one end is connecting valve S and relay K M contact KM-2 respectively, the relay K M contact KM-2 other end is the connecting valve S other end and chip U1 pin 1 respectively, chip U1 pin 2 is connection transformer T1 coil L2 respectively, transformer T1 coil L3 and rectifier bridge Q pin 1, the transformer T1 coil L3 other end connects rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C1 and three terminal regulator U2 pin 1 respectively, rectifier bridge Q pin 4 connects the electric capacity C1 other end respectively, three terminal regulator U2 pin 2 and electric capacity C2 ground connection, the electric capacity C2 other end connects three terminal regulator U2 pin 3 and diode D2 negative pole respectively, described chip U1 pin 3 and pin 4 connection transformer T2 coil L6 two ends respectively, transformer T2 coil L7 two ends connect ozone electron tube G two ends respectively, described diode D2 positive pole connects relay K M coil and triode VT1 emitter respectively, triode VT1 collector is contact resistance R1 respectively, diode D1 negative pole, electric capacity C3, electric capacity C4, chip U3 pin 1 and transformer T3 coil L4, triode VT1 base stage contact resistance R2, the resistance R2 other end connects the electric capacity C3 other end respectively, diode D1 positive pole and gas sensor VS pin 2, the gas sensor VS pin 3 contact resistance R1 other end, gas sensor VS pin 1 connects gas sensor VS pin 4 respectively, the relay K M other end and resistance R3, the resistance R3 other end connects relay K M contact KM-1, the relay K M contact KM-1 other end is contact resistance R4 respectively, chip U3 pin 4 and chip U3 pin 8, the resistance R4 other end is contact resistance R5 and chip U3 pin 7 respectively, the resistance R5 other end connects the electric capacity C4 other end and chip U3 pin 2 and chip U3 pin 6 respectively, chip U3 pin 3 connects electric capacity C5, the electric capacity C5 other end connection transformer T3 coil L4 other end, transformer T3 coil L5 two ends connect piezoelectric buzzer HTD two ends respectively.
2. carbon monoxide air purifier circuit according to claim 1, is characterized in that, described chip U1 model is TWH9222.
3. carbon monoxide air purifier circuit according to claim 1, is characterized in that, described three terminal regulator U2 model is CW7805.
4. carbon monoxide air purifier circuit according to claim 1, is characterized in that, described chip U3 model is NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520239173.9U CN204496205U (en) | 2015-04-13 | 2015-04-13 | A kind of carbon monoxide air purifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520239173.9U CN204496205U (en) | 2015-04-13 | 2015-04-13 | A kind of carbon monoxide air purifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204496205U true CN204496205U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520239173.9U Expired - Fee Related CN204496205U (en) | 2015-04-13 | 2015-04-13 | A kind of carbon monoxide air purifier circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204496205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133060A (en) * | 2019-06-11 | 2019-08-16 | 湖南碧霄环境科技有限公司 | The carbon monoxide detection system of environment measuring |
-
2015
- 2015-04-13 CN CN201520239173.9U patent/CN204496205U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133060A (en) * | 2019-06-11 | 2019-08-16 | 湖南碧霄环境科技有限公司 | The carbon monoxide detection system of environment measuring |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160413 |