CN103680042A - Fire warning device - Google Patents
Fire warning device Download PDFInfo
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- CN103680042A CN103680042A CN201310622971.5A CN201310622971A CN103680042A CN 103680042 A CN103680042 A CN 103680042A CN 201310622971 A CN201310622971 A CN 201310622971A CN 103680042 A CN103680042 A CN 103680042A
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Abstract
The invention discloses a fire warning device comprising a smoke sensor, an integrated regulator, a 555 chip, diodes D1, D2 and D3, a triode T, resistors R1, R2, R3 and R4 and a loudspeaker BL. Two ends of a capacitor C1 are connected with a port A and a port B of the smoke sensor respectively, a port C of the smoke sensor is connected with base electrodes of the diode D1 and the triode T sequentially, a port 1 of the integrated regulator is connected with the port A of the smoke sensor, a port 2 of the integrated regulator is connected with a collector electrode of the triode T and the resistor R3, the resistor R3 and the resistor R1 are serially and sequentially connected between a port 3 of the integrated regulator and an emitting electrode of the triode T, and the diode D2, the diode D3, the resistor R2, the resistor R4 and a capacitor C2 are serially and sequentially connected between two ends of the resistor R3 and the resistor R1. A port 6 and a port 7 of the 555 chip are connected with the common end of the diode D3 and the resistor R2. Through the principle, the fire warning device is simple in circuit structure, easy to produce, simple to debugging, sensitive in discovering fires and high in practicality.
Description
Technical field
The present invention relates to forest fire accident alarm field, be specifically related to fire alarm installation.
Background technology
Forest fires not only burn forest, reduce the density of crop, and destroy forest structure, reduce the value of forest.Forest fires are burnt seedling, treelet to death, extend the renewal of forest phase.The woods ground surface soil rock being burnt is exposed, and a lot of places become bare hills and mountains, and forest is difficult to recover.Strong fire not only burns forest, destroys canopy density, burns ground cover, makes soil bareness, and greatly reduce that forest conserves water and soil, water conservation, the effect of regulating the climate.Have a strong impact on the utilization of the interior animal and plant resource of woods and secondary product of forestry.The large energy sudden outburst that forest fires are stored forest, has destroyed forest ecosystem, causes the confusion of biotic factor, ecological factor in the ecosystem.Need to could recover through decades or longer time.Forest fires not only burn various buildingss and productive life data in woods, even threaten the safety of near villages and small towns forest, production and other settlements, and a large amount of human and material resources of Forest Fires consumption, financial resources.In addition, along with the increase of fire, power consumption for Modern Family, the frequency that family fire occurs is more and more higher.Once family fire occurs, be easy to occur putting out a fire to save life and property not in time, fire distinguisher lacks and people on the scene is panic, the unfavorable factor such as slow of escaping, and finally causes great life and property loss.Inquire into feature and the fire Countermeasure of family fire, for prevention family fire, reduce fire damage and there is realistic meaning.Existing fire alarm installation, circuit structure is complicated, be difficult for making, and the debugging that need to grow, can not find in time that the condition of a fire reports to the police.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and fire alarm installation is provided, and this circuit structure is simple, make easily, debugging is simple and responsive, practical to finding the condition of a fire.
For solving above-mentioned technical matters, the present invention is by the following technical solutions: fire alarm installation, comprise sense smoke sensor, integrated regulator, 555 chips, diode D1, diode D2, diode D3, triode T, resistance R 1, resistance R 2, resistance R 3, resistance R 4 and loudspeaker BL, described capacitor C 1 two ends connect respectively port A and the port B that feels smoke sensor, and the port C of sense smoke sensor connects the basis set of diode D1 and triode T successively; The port one of integrated regulator connects the port A of sense smoke sensor, collector and the resistance R 3 of the port 2 connecting triode T of integrated regulator, resistance in series R3 and resistance R 1 successively between the port 3 of integrated regulator and the emitter of triode T, series diode D2, diode D3, resistance R 2, resistance R 4 and capacitor C 2 successively between resistance R 3 and the two ends of resistance R 1; The port 6 of 555 described chips and port 7 are connected the common port of diode D3 and resistance R 2 simultaneously, the port 5 contact resistance R2 of 555 chips and the common port of resistance R 4, the common port of the port 2 of 555 chips and 4 while of port contact resistance R4 and capacitor C 2, the port one of 555 chips connects capacitor C 2 and loudspeaker BL simultaneously, loudspeaker BL also connects the port 3 of 555 chips, and loudspeaker BL is ground connection also.
Described integrated regulator comprises LM317 chip, resistance R 5, capacitor C 3 and direct supply, LM317 chip resistance in series R5, and capacitor C 3 is connected in parallel on LM317 chip and resistance R 5 two ends and is in series with direct supply in capacitor C 3.
The basis set of the anodal connecting triode T of described diode D1, the negative pole of diode D1 connects the port C of sense smoke sensor.
Described sense smoke sensor is UD-02 type ionic smoke sensor sensor.
Described diode D2 and diode D3 are switching diode.
Compared with prior art, the invention has the beneficial effects as follows: circuit structure of the present invention is simple, easily make, also without repeatedly debugging, use simple, and can find in time the condition of a fire and sound by hummer, make people prevent in time the expansion of the condition of a fire, guarantee forest-tree and personal safety as well as the property safety.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is the integrated regulator in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated, and embodiments of the invention are not limited to this.
Embodiment:
As shown in Figure 1-2, the present invention includes sense smoke sensor, integrated regulator, 555 chips, diode D1, diode D2, diode D3, triode T, resistance R 1, resistance R 2, resistance R 3, resistance R 4 and loudspeaker BL, integrated regulator comprises LM317 chip, resistance R 5, capacitor C 3 and direct supply, LM317 chip resistance in series R5, capacitor C 3 is connected in parallel on LM317 chip and resistance R 5 two ends and is in series with direct supply in capacitor C 3.Capacitor C 1 two ends of the present embodiment connect respectively port A and the port B that feels smoke sensor, and the port C of sense smoke sensor connects the basis set of diode D1 and triode T successively; The port one of integrated regulator connects the port A of sense smoke sensor, collector and the resistance R 3 of the port 2 connecting triode T of integrated regulator, resistance in series R3 and resistance R 1 successively between the port 3 of integrated regulator and the emitter of triode T, series diode D2, diode D3, resistance R 2, resistance R 4 and capacitor C 2 successively between resistance R 3 and the two ends of resistance R 1.The port 6 of 555 chips of the present embodiment and port 7 are connected the common port of diode D3 and resistance R 2 simultaneously, the port 5 contact resistance R2 of 555 chips and the common port of resistance R 4, the common port of the port 2 of 555 chips and 4 while of port contact resistance R4 and capacitor C 2, the port one of 555 chips connects capacitor C 2 and loudspeaker BL simultaneously, loudspeaker BL also connects the port 3 of 555 chips, and loudspeaker BL is ground connection also.The basis set of the anodal connecting triode T of the diode D1 of the present embodiment, the negative pole of diode D1 connects the port C of sense smoke sensor; Sense smoke sensor is UD-02 type ionic smoke sensor sensor; Diode D2 and diode D3 are switching diode.
This circuit comprises Smoke Detection circuit, control circuit and speaker circuit, Smoke Detection circuit comprises sense smoke sensor, control circuit comprises diode D1, triode T, integrated stable voltage circuit, resistance R 1, R3, diode D2, D3, and speaker circuit comprises 555 chips, resistance R 2, capacitor C 2 and loudspeaker.
When breaking out of fire, sense smoke sensor detect smog, its C terminal voltage will be down to 1.1-1.2V, make diode D1 and triode T cut-off, the adjustment end of integrated regulator is high-impedance state, output end voltage is higher, speaker circuit energising work, and loudspeaker BL sends audible alarm sound.This circuit structure is simple, make easily, debugging is simple and responsive, practical to finding the condition of a fire.
Just can realize this invention as mentioned above.
Claims (5)
1. fire alarm installation, it is characterized in that: comprise sense smoke sensor, integrated regulator, 555 chips, diode D1, diode D2, diode D3, triode T, resistance R 1, resistance R 2, resistance R 3, resistance R 4 and loudspeaker BL, described capacitor C 1 two ends connect respectively port A and the port B that feels smoke sensor, and the port C of sense smoke sensor connects the basis set of diode D1 and triode T successively; The port one of integrated regulator connects the port A of sense smoke sensor, collector and the resistance R 3 of the port 2 connecting triode T of integrated regulator, resistance in series R3 and resistance R 1 successively between the port 3 of integrated regulator and the emitter of triode T, series diode D2, diode D3, resistance R 2, resistance R 4 and capacitor C 2 successively between resistance R 3 and the two ends of resistance R 1; The port 6 of 555 described chips and port 7 are connected the common port of diode D3 and resistance R 2 simultaneously, the port 5 contact resistance R2 of 555 chips and the common port of resistance R 4, the common port of the port 2 of 555 chips and 4 while of port contact resistance R4 and capacitor C 2, the port one of 555 chips connects capacitor C 2 and loudspeaker BL simultaneously, loudspeaker BL also connects the port 3 of 555 chips, and loudspeaker BL is ground connection also.
2. fire alarm installation according to claim 1, it is characterized in that: described integrated regulator comprises LM317 chip, resistance R 5, capacitor C 3 and direct supply, LM317 chip resistance in series R5, capacitor C 3 is connected in parallel on LM317 chip and resistance R 5 two ends and is in series with direct supply in capacitor C 3.
3. fire alarm installation according to claim 1, is characterized in that: the basis set of the anodal connecting triode T of described diode D1, the negative pole of diode D1 connects the port C of sense smoke sensor.
4. fire alarm installation according to claim 1, is characterized in that: described sense smoke sensor is UD-02 type ionic smoke sensor sensor.
5. fire alarm installation according to claim 1, is characterized in that: described diode D2 and diode D3 are switching diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310622971.5A CN103680042A (en) | 2013-11-30 | 2013-11-30 | Fire warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310622971.5A CN103680042A (en) | 2013-11-30 | 2013-11-30 | Fire warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103680042A true CN103680042A (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310622971.5A Pending CN103680042A (en) | 2013-11-30 | 2013-11-30 | Fire warning device |
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| Country | Link |
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| CN (1) | CN103680042A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735077A (en) * | 2020-12-25 | 2021-04-30 | 钟美韶 | Simple smoke detector circuit for hospital |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1300909A (en) * | 1970-11-19 | 1972-12-29 | Nittan Co Ltd | Ionization smoke detector |
| CN2032718U (en) * | 1988-03-12 | 1989-02-15 | 孙金海 | Ion smoke-sensitive fire detector |
| US5025169A (en) * | 1988-10-21 | 1991-06-18 | Matsushita Electric Works, Ltd. | Sensor in IC formation |
| CN202677557U (en) * | 2012-08-03 | 2013-01-16 | 傅清河 | Fire detector |
| CN203250385U (en) * | 2013-05-28 | 2013-10-23 | 何海参 | Smog monitor |
| CN203573454U (en) * | 2013-11-30 | 2014-04-30 | 成都国科海博信息技术股份有限公司 | Fire alarm |
-
2013
- 2013-11-30 CN CN201310622971.5A patent/CN103680042A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1300909A (en) * | 1970-11-19 | 1972-12-29 | Nittan Co Ltd | Ionization smoke detector |
| CN2032718U (en) * | 1988-03-12 | 1989-02-15 | 孙金海 | Ion smoke-sensitive fire detector |
| US5025169A (en) * | 1988-10-21 | 1991-06-18 | Matsushita Electric Works, Ltd. | Sensor in IC formation |
| CN202677557U (en) * | 2012-08-03 | 2013-01-16 | 傅清河 | Fire detector |
| CN203250385U (en) * | 2013-05-28 | 2013-10-23 | 何海参 | Smog monitor |
| CN203573454U (en) * | 2013-11-30 | 2014-04-30 | 成都国科海博信息技术股份有限公司 | Fire alarm |
Non-Patent Citations (1)
| Title |
|---|
| 陈尔绍: "《传感器实用装置制作集锦》", 31 October 1999, 人民邮电出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735077A (en) * | 2020-12-25 | 2021-04-30 | 钟美韶 | Simple smoke detector circuit for hospital |
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Application publication date: 20140326 |