CN104252756A - Flame detection alarm device for airplane - Google Patents
Flame detection alarm device for airplane Download PDFInfo
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- CN104252756A CN104252756A CN201310255012.4A CN201310255012A CN104252756A CN 104252756 A CN104252756 A CN 104252756A CN 201310255012 A CN201310255012 A CN 201310255012A CN 104252756 A CN104252756 A CN 104252756A
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- resistance
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- resistor
- airplane
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Abstract
The invention discloses a flame detection alarm device for an airplane. The flame detection alarm device for the airplane comprise a center station amplifier, a voltage stabilizing diode, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first triode, a second triode, a third triode, a light-sensitive resistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and an eighth resistor, wherein a first end of the light-sensitive resistor is connected with an emitter electrode of the first triode, and a second end of the light-sensitive resistor is respectively connected with an anode of the voltage stabilizing diode, a first end of the fifth resistor, a first end of the eighth resistor and a first end of the third capacitor and is then in grounding connection. The flame detection alarm device for the airplane employs the light-sensitive resistor as a detection element, a flame alarm signal is amplified through the center station amplifier and then arrives an alarm center for alarming. The flame detection alarm device for the airplane has advantages of high response sensitivity and high accuracy.
Description
Technical field
The present invention relates to a kind of detecting alarm for aircraft, particularly relate to a kind of flame detecting alarm on aircraft.
Background technology
Alarm is a kind of for preventing or preventing certain event to occur, and reminds or warns us should take certain electronic product of taking action with forms such as sound, light, air pressure.Alarm is widely used the fields such as the system failure, safety precaution, communications and transportation, medical aid, emergency disaster relief, induction detection, inseparable with social production safety, not the flame detecting alarm that current aircraft uses accurately not high, and reflection is sensitive not.
Summary of the invention
The flame detecting alarm on aircraft that object of the present invention is just to provide a kind of to solve the problem and is quick on the draw, degree of accuracy is high.
In order to achieve the above object, present invention employs following technical scheme:
A flame detecting alarm on aircraft, comprises central station amplifier, voltage stabilizing diode, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first triode, second triode, 3rd triode, photoresistance, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance and the 8th resistance, the first end of described photoresistance is connected with the emitter of described first triode, the second end of described photoresistance respectively with the positive pole of described voltage stabilizing diode, the first end of described 5th resistance, the first end of described 8th resistance is connected rear ground connection with the first end of described 3rd electric capacity, the negative pole of described voltage stabilizing diode is connected with the first end of described first resistance and the base stage of described first triode respectively, the second end of described first resistance respectively with the first end of described second resistance, the first end of described first resistance, the first end of described 4th resistance, the first end of described 6th resistance is connected with the collector of described 3rd triode, the current collection very voltage input end of described 3rd triode, the second end of described second resistance respectively with the collector of described first triode, second end of described first electric capacity is connected with the first end of described first electric capacity, the second end of described second electric capacity respectively with the second end of described 4th resistance, the base stage of described second triode is connected with the second end of described 5th resistance, second end of described 6th resistance is connected with the collector of described second triode and the base stage of described 3rd triode respectively, the emitter of described second triode respectively with the first end of described 7th resistance, the first end of described 3rd resistance is connected with the first end of described 4th electric capacity, the second end of described 3rd resistance respectively with the second end of described 4th electric capacity, the emitter of described 3rd triode is connected with the signal input part of described center amplifier.
Beneficial effect of the present invention is:
The flame detecting alarm of the present invention on aircraft adopts photoresistance as detecting element, and flame alerting signal arrives alarm center and reports to the police after center amplifier is amplified, and reaction sensitivity of the present invention is high, degree of accuracy is high.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the flame detecting alarm of the present invention on aircraft.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the flame detecting alarm of the present invention on aircraft, comprises central station amplifier, voltage stabilizing diode VS, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, first triode VT1, second triode VT2, 3rd triode VT3, photoresistance LR, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, the first end of the 7th resistance R7 and the 8th resistance R8, photoresistance LR is connected with the emitter of the first triode VT1, second end of photoresistance LR respectively with the positive pole of voltage stabilizing diode VS, the first end of the 5th resistance R5, the first end of the 8th resistance R8 is connected rear ground connection with the first end of the 3rd electric capacity C3, the negative pole of voltage stabilizing diode VS is connected with the first end of the first resistance R1 and the base stage of the first triode VT1 respectively, second end of the first resistance R1 respectively with the first end of the second resistance R2, the first end of the first resistance R1, the first end of the 4th resistance R4, the first end of the 6th resistance R6 is connected with the collector of the 3rd triode VT3, the current collection very voltage input end of the 3rd triode VT3, second end of the second resistance R2 respectively with the collector of the first triode VT1, second end of the first electric capacity C1 is connected with the first end of the first electric capacity C1, second end of the second electric capacity C2 respectively with second end of the 4th resistance R4, the base stage of the second triode VT2 is connected with second end of the 5th resistance R5, second end of the 6th resistance R6 is connected with the collector of the second triode VT2 and the base stage of the 3rd triode VT3 respectively, the emitter of the second triode VT2 respectively with the first end of the 7th resistance R7, the first end of the 3rd resistance R3 is connected with the first end of the 4th electric capacity C4, second end of the 3rd resistance R3 respectively with second end of the 4th electric capacity C4, the emitter of the 3rd triode VT3 is connected with the signal input part of center amplifier.
The principle of work of the flame detecting alarm of the present invention on aircraft is as follows:
Photoresistance LR adopts PbS photoresistance, and the resistance of its dark resistance is 1M Ω, and the resistance of light resistance is 0.2M Ω, and peak response wavelength is 2.2 μm, is just the peak of radiation spectrum of flame.
Claims (1)
1. the flame detecting alarm on aircraft, is characterized in that: comprise central station amplifier, voltage stabilizing diode, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first triode, second triode, 3rd triode, photoresistance, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance and the 8th resistance, the first end of described photoresistance is connected with the emitter of described first triode, the second end of described photoresistance respectively with the positive pole of described voltage stabilizing diode, the first end of described 5th resistance, the first end of described 8th resistance is connected rear ground connection with the first end of described 3rd electric capacity, the negative pole of described voltage stabilizing diode is connected with the first end of described first resistance and the base stage of described first triode respectively, the second end of described first resistance respectively with the first end of described second resistance, the first end of described first resistance, the first end of described 4th resistance, the first end of described 6th resistance is connected with the collector of described 3rd triode, the current collection very voltage input end of described 3rd triode, the second end of described second resistance respectively with the collector of described first triode, second end of described first electric capacity is connected with the first end of described first electric capacity, the second end of described second electric capacity respectively with the second end of described 4th resistance, the base stage of described second triode is connected with the second end of described 5th resistance, second end of described 6th resistance is connected with the collector of described second triode and the base stage of described 3rd triode respectively, the emitter of described second triode respectively with the first end of described 7th resistance, the first end of described 3rd resistance is connected with the first end of described 4th electric capacity, the second end of described 3rd resistance respectively with the second end of described 4th electric capacity, the emitter of described 3rd triode is connected with the signal input part of described center amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255012.4A CN104252756A (en) | 2013-06-25 | 2013-06-25 | Flame detection alarm device for airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255012.4A CN104252756A (en) | 2013-06-25 | 2013-06-25 | Flame detection alarm device for airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104252756A true CN104252756A (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310255012.4A Pending CN104252756A (en) | 2013-06-25 | 2013-06-25 | Flame detection alarm device for airplane |
Country Status (1)
| Country | Link |
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| CN (1) | CN104252756A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329430A (en) * | 1969-12-03 | 1973-09-05 | Cerberus Ag | Apparatus for detecting fire or flames |
| CN102486889A (en) * | 2010-12-03 | 2012-06-06 | 刘迎春 | Flame alarm |
| CN203299990U (en) * | 2013-06-25 | 2013-11-20 | 成都旋极历通信息技术有限公司 | Flame detection alarm for airplane |
-
2013
- 2013-06-25 CN CN201310255012.4A patent/CN104252756A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329430A (en) * | 1969-12-03 | 1973-09-05 | Cerberus Ag | Apparatus for detecting fire or flames |
| CN102486889A (en) * | 2010-12-03 | 2012-06-06 | 刘迎春 | Flame alarm |
| CN203299990U (en) * | 2013-06-25 | 2013-11-20 | 成都旋极历通信息技术有限公司 | Flame detection alarm for airplane |
Non-Patent Citations (2)
| Title |
|---|
| 郭培源等: "《光电检测技术与应用》", 31 August 2011, 北京航空航天大学出版社 * |
| 雷玉堂: "《光电检测技术》", 30 June 2009, 中国计量出版社 * |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141231 |