CN204189265U - A kind of high sensitivity forest fire protection smoke alarm - Google Patents
A kind of high sensitivity forest fire protection smoke alarm Download PDFInfo
- Publication number
- CN204189265U CN204189265U CN201420498717.9U CN201420498717U CN204189265U CN 204189265 U CN204189265 U CN 204189265U CN 201420498717 U CN201420498717 U CN 201420498717U CN 204189265 U CN204189265 U CN 204189265U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- potentiometer
- pin
- integrated chip
- storehouse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The utility model discloses a kind of high sensitivity forest fire protection smoke alarm, comprise air inlet storehouse, fan, air guide storehouse and smog alarm sensor, described air inlet storehouse is arranged at the air inlet of described fan, the one end in described air guide storehouse is arranged at the air outlet of described fan, described smoke alarm is arranged at the other end in described air guide storehouse, and the shell in described air guide storehouse is provided with vent port.Compared with prior art, gas is drawn through and is directly transferred in smog alarm sensor by the utility model employing fan, effectively can improve the sensitivity of smog alarm, thus prevent the fire that the generation of forest fire or compacting in time occur, in addition, the circuit structure of the smog alarm sensor adopted detects, with low cost, has the value promoted the use of.
Description
Technical field
The utility model relates to a kind of forestry fire alarm, particularly relates to a kind of high sensitivity forest fire protection smoke alarm.
Background technology
Forest fire is the enemy that forest is the most dangerous, and be also the most fearful disaster of forestry, its can bring the most harmful to forest, has destructive consequence most.Forest in blocks is not only burnt in forest fire, the animal in injury woods, but also reduces the updating ability of forest, causes the effect of the barren of soil and the water conservation of destruction forest, even can cause ecologic environment out of trim.Although the science of the world today advances with rapid changepl. never-ending changes and improvements, the mankind, in uniform forest fire, but still not yet obtain permanent progress.Traditional smoke alarm is all direct pick-up, and when there is smog, smog cannot be detected fast, therefore, smoke alarm of the prior art exists room for improvement.
Utility model content
The purpose of this utility model is just to provide a kind of high sensitivity forest fire protection smoke alarm to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises air inlet storehouse, fan, air guide storehouse and smog alarm sensor, described air inlet storehouse is arranged at the air inlet of described fan, the one end in described air guide storehouse is arranged at the air outlet of described fan, described smoke alarm is arranged at the other end in described air guide storehouse, and the shell in described air guide storehouse is provided with vent port.
Improve as one, described air inlet storehouse is conical; Described air guide storehouse is conical.
Particularly, described smog alarm sensor comprises battery, first resistance, second resistance, first electric capacity is to the 6th electric capacity, gas sensor, three terminal regulator, first potentiometer, second potentiometer, time base integrated chip, light emitting diode and loudspeaker, the positive pole of described battery simultaneously with the first end of described first electric capacity, the positive pole of described light emitting diode, the input end of described three terminal regulator, the first end of described second electric capacity, the first end of described gas sensor, the first end of described second resistance is connected with the 8th pin of base integrated chip time described, the negative pole of described battery simultaneously with the second end of described first electric capacity, the first end of described first resistance, second end of described second electric capacity, the first end of described 3rd electric capacity, the negative pole of described three terminal regulator, the first end of described gas sensor internal heat generation silk, the first end of described first potentiometer, the first end of described 4th electric capacity, first pin of base integrated chip time described, the first end of described 5th electric capacity is connected with the first end of described loudspeaker, second end of described first resistance is connected with the negative pole of described light emitting diode, the output terminal of described three terminal regulator is connected with the second end of described 3rd electric capacity and the second end of described gas sensor internal heat generation silk simultaneously, second end of described gas sensor is connected with the second end of described first potentiometer, the sliding end of described first potentiometer is connected with the 4th pin of base integrated chip time described, second end of described second resistance is connected with the 7th pin of base integrated chip time described and the first end of described second potentiometer simultaneously, with the sliding end of described second potentiometer while of the second end of described second potentiometer, 6th pin of base integrated chip time described, time described, the second pin of base integrated chip is connected with the second end of described 4th electric capacity, time described, the 5th pin of base integrated chip is connected with the second end of described 5th electric capacity, time described, the 3rd pin of base integrated chip is connected with the first end of described 6th electric capacity, and described second end of the 6th electric capacity is connected with the second end of described loudspeaker.
The beneficial effects of the utility model are:
The utility model is a kind of high sensitivity forest fire protection smoke alarm, compared with prior art, gas is drawn through and is directly transferred in smog alarm sensor by the utility model employing fan, effectively can improve the sensitivity of smog alarm, thus prevent the fire that the generation of forest fire or compacting in time occur, in addition, the circuit structure of the smog alarm sensor of employing detects, with low cost, there is the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the circuit structure schematic diagram of smog alarm sensor described in the utility model.
In figure: 1-air inlet storehouse, 2-fan, 3-air guide storehouse, 4-smog alarm sensor, 5-vent port.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises air inlet storehouse 1, fan 2, air guide storehouse 3 and smog alarm sensor 4, air inlet storehouse 1 is arranged at the air inlet of fan 2, the one end in air guide storehouse 3 is arranged at the air outlet of fan 2, smoke alarm 4 is arranged at the other end in air guide storehouse 3, the shell in air guide storehouse 3 is provided with vent port 5.
Improve as one, air inlet storehouse 1 is conical; Air guide storehouse 3 is conical.
As shown in Figure 2: smog alarm sensor 4 comprises battery E, first resistance R1, second resistance R2, first electric capacity C1 is to the 6th electric capacity C6, gas sensor Q, three terminal regulator IC1, first potentiometer RP1, second potentiometer RP2, time basis set become chip IC 2, LED and loudspeaker Y, the positive pole of battery E simultaneously with the first end of the first electric capacity C1, the positive pole of LED, the input end of three terminal regulator IC1, the first end of the second electric capacity C2, the first end of gas sensor Q, the first end of the second resistance R2 with time basis set become the 8th pin of chip IC 2 to be connected, the negative pole of battery E simultaneously with second end of the first electric capacity C1, the first end of the first resistance R1, second end of the second electric capacity C2, the first end of the 3rd electric capacity C3, the negative pole of three terminal regulator IC1, the first end of gas sensor Q internal heat generation silk, the first end of the first potentiometer RP1, the first end of the 4th electric capacity C4, time basis set become the first pin of chip IC 2, the first end of the 5th electric capacity C5 is connected with the first end of loudspeaker Y, second end of the first resistance R1 is connected with the negative pole of LED, the output terminal of three terminal regulator IC1 is connected with second end of the 3rd electric capacity C3 and the second end of gas sensor Q internal heat generation silk simultaneously, second end of gas sensor Q is connected with second end of the first potentiometer RP1, the sliding end of the first potentiometer RP1 with time basis set become the 4th pin of chip IC 2 to be connected, second end of the second resistance R2 simultaneously with time basis set become the 7th pin of chip IC 2 and the first end of the second potentiometer RP2 to be connected, with the sliding end of the second potentiometer RP2 while of second end of the second potentiometer RP2, time basis set become the 6th pin of chip IC 2, time basis set become the second pin of chip IC 2 to be connected with second end of the 4th electric capacity C4, time basis set become the 5th pin of chip IC 2 to be connected with second end of the 5th electric capacity C5, time basis set become the 3rd pin of chip IC 2 to be connected with the first end of the 6th electric capacity C6, second end of the 6th electric capacity C6 is connected with second end of loudspeaker Y.
Principle of work of the present utility model is as follows:
When gas sensor Q touches inflammable gas or smog, resistance between gas sensor Q two ends reduces, thus rise with the dividing potential drop of the first potentiometer RP1, time corresponding basis set become chip IC 2 the 4th pin current potential rise, when current potential rises to more than lV, time basis set become chip IC 2 starting of oscillation, its oscillation frequency is f=1.44, regulate the second potentiometer RP2, make its frequency be 1.5kHz, time corresponding, basis set becomes the output signal of the output terminal tripod of chip IC 2 promotion loudspeaker Y to send chimes of doom.
Under normal circumstances, the resistance between gas sensor Q two ends is comparatively large, reduces with the dividing potential drop of the first potentiometer RP1, corresponding when making basis set become the 4th pin of chip IC 2 to be in low level, time basis set become chip IC 2 failure of oscillation, loudspeaker Y does not work.
Component parameter of the present utility model is selected as follows:
Battery E is 9V, first resistance R1 is 2k Ω, second resistance R2 is 36k Ω, first electric capacity C1 is 220uf, second electric capacity C2 is 0.33uf, 3rd electric capacity C3 is 0.01uf to the 5th electric capacity C5, 6th electric capacity C6 is 22uf, gas sensor Q is the gas sensor of model QM-25, three terminal regulator IC1 is the three terminal regulator of model 7805, first potentiometer RP1 is 2.2k Ω, second potentiometer RP2 is 150k Ω, time the basis set time base integrated chip that becomes chip IC 2 to be model NE555, LED is 1W and loudspeaker Y impedance is 50 Ω.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a high sensitivity forest fire protection smoke alarm, it is characterized in that: comprise air inlet storehouse, fan, air guide storehouse and smog alarm sensor, described air inlet storehouse is arranged at the air inlet of described fan, the one end in described air guide storehouse is arranged at the air outlet of described fan, described smoke alarm is arranged at the other end in described air guide storehouse, and the shell in described air guide storehouse is provided with vent port.
2. high sensitivity forest fire protection smoke alarm according to claim 1, is characterized in that: described air inlet storehouse is for conical.
3. high sensitivity forest fire protection smoke alarm according to claim 1, is characterized in that: described air guide storehouse is for conical.
4. high sensitivity forest fire protection smoke alarm according to claim 1, is characterized in that: described smog alarm sensor comprises battery, first resistance, second resistance, first electric capacity is to the 6th electric capacity, gas sensor, three terminal regulator, first potentiometer, second potentiometer, time base integrated chip, light emitting diode and loudspeaker, the positive pole of described battery simultaneously with the first end of described first electric capacity, the positive pole of described light emitting diode, the input end of described three terminal regulator, the first end of described second electric capacity, the first end of described gas sensor, the first end of described second resistance is connected with the 8th pin of base integrated chip time described, the negative pole of described battery simultaneously with the second end of described first electric capacity, the first end of described first resistance, second end of described second electric capacity, the first end of described 3rd electric capacity, the negative pole of described three terminal regulator, the first end of described gas sensor internal heat generation silk, the first end of described first potentiometer, the first end of described 4th electric capacity, first pin of base integrated chip time described, the first end of described 5th electric capacity is connected with the first end of described loudspeaker, second end of described first resistance is connected with the negative pole of described light emitting diode, the output terminal of described three terminal regulator is connected with the second end of described 3rd electric capacity and the second end of described gas sensor internal heat generation silk simultaneously, second end of described gas sensor is connected with the second end of described first potentiometer, the sliding end of described first potentiometer is connected with the 4th pin of base integrated chip time described, second end of described second resistance is connected with the 7th pin of base integrated chip time described and the first end of described second potentiometer simultaneously, with the sliding end of described second potentiometer while of the second end of described second potentiometer, 6th pin of base integrated chip time described, time described, the second pin of base integrated chip is connected with the second end of described 4th electric capacity, time described, the 5th pin of base integrated chip is connected with the second end of described 5th electric capacity, time described, the 3rd pin of base integrated chip is connected with the first end of described 6th electric capacity, and described second end of the 6th electric capacity is connected with the second end of described loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498717.9U CN204189265U (en) | 2014-09-01 | 2014-09-01 | A kind of high sensitivity forest fire protection smoke alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498717.9U CN204189265U (en) | 2014-09-01 | 2014-09-01 | A kind of high sensitivity forest fire protection smoke alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189265U true CN204189265U (en) | 2015-03-04 |
Family
ID=52621244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420498717.9U Expired - Fee Related CN204189265U (en) | 2014-09-01 | 2014-09-01 | A kind of high sensitivity forest fire protection smoke alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204189265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030295A (en) * | 2018-08-30 | 2018-12-18 | 安徽乐锦记食品有限公司 | A kind of bread processing anomaly alarming device smog extraction detection device |
| KR20190128321A (en) * | 2018-05-08 | 2019-11-18 | 주식회사 씨지에스 | Smart emergency light system with guidance function using laser |
| CN110782620A (en) * | 2019-10-25 | 2020-02-11 | 上海明厦物联网科技有限公司 | Device for improving sensitivity and response speed of smoke detector |
-
2014
- 2014-09-01 CN CN201420498717.9U patent/CN204189265U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190128321A (en) * | 2018-05-08 | 2019-11-18 | 주식회사 씨지에스 | Smart emergency light system with guidance function using laser |
| KR102049083B1 (en) | 2018-05-08 | 2019-11-26 | 주식회사 씨지에스 | Smart emergency light system with guidance function using laser |
| CN109030295A (en) * | 2018-08-30 | 2018-12-18 | 安徽乐锦记食品有限公司 | A kind of bread processing anomaly alarming device smog extraction detection device |
| CN110782620A (en) * | 2019-10-25 | 2020-02-11 | 上海明厦物联网科技有限公司 | Device for improving sensitivity and response speed of smoke detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204189265U (en) | A kind of high sensitivity forest fire protection smoke alarm | |
| CN105608812B (en) | Waterproof vehicle carried audio warning device with self-protection circuit | |
| CN206018284U (en) | A kind of natural gas leaking automatic detection and intelligence control system | |
| CN204886923U (en) | Switching value input/output circuit | |
| CN207115665U (en) | It is a kind of to be used for antitheft human body touch warning circuit | |
| CN206021516U (en) | A kind of gas leak detects alarm | |
| CN206894805U (en) | A kind of monitoring image transmission processor | |
| CN204651247U (en) | A kind of electric cooker relay drive circuit | |
| CN105071825A (en) | Wireless electronic information transmission enhancing electronic device | |
| CN204697020U (en) | A kind of dual output constant current-supplying circuit for preamplifier | |
| CN204316470U (en) | A kind of emitter-base bandgap grading is coupled asymmetric virtual protection triggering system | |
| CN204145446U (en) | A kind of wireless photoelectric signal circuit | |
| CN206302441U (en) | A kind of fire telephone internal circuit of the voice restoration technology based on PWM | |
| CN107332549A (en) | A kind of infrared controlled switch circuit | |
| CN104808101B (en) | A kind of detection circuit for voice-frequency cable | |
| CN107204088A (en) | It is a kind of to be used for antitheft human body touch warning circuit | |
| CN203233174U (en) | Lightning protector applicable to high-voltage environment | |
| CN205335552U (en) | Novel ballast output socket | |
| CN204231599U (en) | A kind of induction type microphone | |
| CN205714549U (en) | Ignition for four-cylinder gasoline machine | |
| CN203411324U (en) | Oxygen conveying device for oxygenator | |
| CN207149041U (en) | A kind of gas extinguishing fire alarm | |
| CN204790849U (en) | Computer economize on electricity controller | |
| CN202110816U (en) | Tone driving circuit | |
| CN205336231U (en) | Network signal communication amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: Longhua new city streets and 518019 people in North Guangdong province Shenzhen City Heng Jiang building 5 building 501-502 room Patentee after: Guangdong city ecological Polytron Technologies Inc Address before: 518000 Guangdong Province, Shenzhen city Longhua District streets of new road of entrepreneurship garden 194-198 building 901 to 905 new building Patentee before: City, Shenzhen generating circle woods Development Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20190901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |