CN204129900U - A kind of smoke alarm - Google Patents
A kind of smoke alarm Download PDFInfo
- Publication number
- CN204129900U CN204129900U CN201420400723.6U CN201420400723U CN204129900U CN 204129900 U CN204129900 U CN 204129900U CN 201420400723 U CN201420400723 U CN 201420400723U CN 204129900 U CN204129900 U CN 204129900U
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- China
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- circuit
- power
- audio frequency
- model
- balanced
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of smoke alarm, comprise power circuit, mu balanced circuit, audio frequency concussion warning circuit, sensor circuit and not circuit, described power circuit shakes warning circuit simultaneously power end with described mu balanced circuit and described audio frequency is connected, the signal input part of described audio frequency concussion warning circuit is connected with the signal output part of described not circuit, the signal input part of described not circuit is connected with the signal output part of described sensor circuit, and the power output end of described mu balanced circuit is connected with the power input of described sensor circuit.Compared with prior art, the utility model has that element is few, circuit structure is simple, advantage with low cost, and can effectively report to the police to harmful gas, is beneficial to universal, is easily understood, have the value promoted the use of.
Description
Technical field
The utility model relates to a kind of electronic alarm, particularly relates to a kind of smoke alarm.
Background technology
Smoke alarm, another name fire hazard aerosol fog alarm, smoke transducer, smoke sensing device etc.General will independently, products in kind powered battery or AC-powered battery are standby electricity, ready-madely to send acousto-optic instruction when reporting to the police, and are called free-standing smoke alarm.By bus-powered, bus can be connected with multiple, network with fire alarm control unit, communication forms a warning system, on-the-spot voiceless sound during warning, main frame acousto-optic is pointed out, and this kind of smoke-sensitive alarm device is generally referred to as smoke detector.And the complex structure of smoke alarm of the prior art, adopt that electronic component is many, cost is high, be difficult to popularize.
Utility model content
The purpose of this utility model is just to provide a kind of smoke alarm to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises power circuit, mu balanced circuit, audio frequency concussion warning circuit, sensor circuit and not circuit, described power circuit shakes warning circuit simultaneously power end with described mu balanced circuit and described audio frequency is connected, the signal input part of described audio frequency concussion warning circuit is connected with the signal output part of described not circuit, the signal input part of described not circuit is connected with the signal output part of described sensor circuit, and the power output end of described mu balanced circuit is connected with the power input of described sensor circuit.
The beneficial effects of the utility model are:
The utility model is a kind of smoke alarm, and compared with prior art, the utility model has that element is few, circuit structure is simple, advantage with low cost, and can effectively report to the police to harmful gas, be beneficial to universal, be easily understood, there is the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is circuit structure theory diagram of the present utility model;
Fig. 2 is circuit structure schematic diagram of the present utility model.
In figure: the concussion of 1-power circuit, 2-mu balanced circuit, 3-audio frequency warning circuit, 4-sensor circuit, 5-not circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As depicted in figs. 1 and 2: the utility model comprises power circuit 1, mu balanced circuit 2, audio frequency concussion warning circuit 3, sensor circuit 4 and not circuit 5, described power circuit 1 shakes warning circuit 3 simultaneously power end with described mu balanced circuit 2 and described audio frequency is connected, the signal input part of described audio frequency concussion warning circuit 3 is connected with the signal output part of described not circuit 5, the signal input part of described not circuit 5 is connected with the signal output part of described sensor circuit 4, the power output end of described mu balanced circuit 2 is connected with the power input of described sensor circuit 4.
As shown in Figure 2: the utility model power circuit 1, mu balanced circuit 2, audio frequency concussion warning circuit 3, the entirety of sensor circuit 4 and not circuit 5 is by battery E, gas sensor QM, first not gate F1 is to the 6th not gate F6, first resistance R1 is to the 7th resistance R7, first electric capacity C1 is to the 3rd electric capacity C3, switch S, piezoelectric ceramic piece HTD, triode VT, diode VD, stabilivolt DW, potentiometer RP, first LED 1 and the second LED 2 form, second resistance R2, first electric capacity C1 and stabilivolt DW forms simple mu balanced circuit, for gas sensor QM provides stable 6V operating voltage.5th not gate F5, the 6th not gate F6 and the 5th resistance R5 and the 3rd electric capacity C3 form audio frequency oscillator jointly, control the break-make of triode VT, thus drive piezoelectric ceramic piece HTD sounding.
Component parameter of the present utility model is selected as follows:
Battery E adopts 12V battery, gas sensor QM adopts the gas sensor of 10N, first not gate F1 to the 6th not gate F6 is six not circuits of model C D4069, first resistance R1 is 4.7 kilo-ohms, second resistance R2 is 200 Europe, 3rd resistance R3 is 1 kilo-ohm, 4th resistance is 1M Europe, 5th resistance is 82 kilo-ohms, 6th resistance R6 is 1.5 kilo-ohms, 7th resistance R7 is 5.1 kilo-ohms, first electric capacity C1 is 100uf, second electric capacity C2 and the 3rd electric capacity C3 is 0.01uf, triode VT is the triode of model 9013, diode VD is the diode of model 1N4148, stabilivolt DW is 12V stabilivolt, potentiometer RP is the potentiometer of 4.7 kilo-ohms.
Claims (1)
1. a smoke alarm, it is characterized in that: comprise power circuit, mu balanced circuit, audio frequency concussion warning circuit, sensor circuit and not circuit, described power circuit shakes warning circuit simultaneously power end with described mu balanced circuit and described audio frequency is connected, the signal input part of described audio frequency concussion warning circuit is connected with the signal output part of described not circuit, the signal input part of described not circuit is connected with the signal output part of described sensor circuit, and the power output end of described mu balanced circuit is connected with the power input of described sensor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400723.6U CN204129900U (en) | 2014-07-21 | 2014-07-21 | A kind of smoke alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400723.6U CN204129900U (en) | 2014-07-21 | 2014-07-21 | A kind of smoke alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204129900U true CN204129900U (en) | 2015-01-28 |
Family
ID=52386235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420400723.6U Expired - Fee Related CN204129900U (en) | 2014-07-21 | 2014-07-21 | A kind of smoke alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204129900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694199A (en) * | 2019-10-21 | 2020-01-17 | 中车大连机车研究所有限公司 | Fire-fighting controller for locomotive |
-
2014
- 2014-07-21 CN CN201420400723.6U patent/CN204129900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694199A (en) * | 2019-10-21 | 2020-01-17 | 中车大连机车研究所有限公司 | Fire-fighting controller for locomotive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Jiang Yuli Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Jiang Yuli Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20170721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |