CN203552395U - Household movable smoke alarm detector - Google Patents
Household movable smoke alarm detector Download PDFInfo
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- CN203552395U CN203552395U CN201320734216.1U CN201320734216U CN203552395U CN 203552395 U CN203552395 U CN 203552395U CN 201320734216 U CN201320734216 U CN 201320734216U CN 203552395 U CN203552395 U CN 203552395U
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Abstract
The utility model discloses a household movable smoke alarm detector, and pertains to the technical field of fire protection alarm devices. The household movable smoke alarm detector is used to perform smoke detection alarm in a family and a small room. The household movable smoke alarm detector adopts the following technical scheme that in the household movable smoke alarm detector, a detection control circuit, a battery and a loudspeaker of the household movable smoke alarm detector, a detection control circuit are installed in a housing, the housing is provided with a detection window for being communicated with the outside, the detection control circuit comprises a microcontroller, a photoelectric smoke sensing detection portion, an audio amplification drive portion, and a stabilized voltage supply, the microcontroller is connected with the photoelectric smoke sensing detection portion, the audio amplification drive portion, the stabilized voltage supply and the battery separately, and the audio amplification drive portion is connected with the loudspeaker. The detector of the utility model can be placed at any place in a room, can be used to effectively monitor regions where fire easily occurs, an alarm can be given out timely when smoke is generated, the fire occurring and spreading danger can be reduced to the minimum, more selections are provided for places where smoke alarm devices are installed, and the advantage of significant social benefits can be realized.
Description
Technical field
The utility model relates to a kind of fire-fighting sniffer with function of smoking alarm that is suitable for use in family and small-sized room, belongs to fire protection warning equipment technical field.
Background technology
The generation that prevents fire is not merely the work of fire department, and each unit of the Ye Shi whole society and family all will watch out for constantly.Taking precautions against the topmost measure of fire is that various fire alarm installations are installed, and the panalarm being all necessary in enterprises and institutions and public place at present, also should install fire alarm installation in the family.But the family fire alarming sniffer in existing market has certain defect, can not meet people's needs, so fire alarm detection device is installed seldom in family, be to have very large hidden fire-fighting danger.The major defect of current family fire alarming sniffer is: first, warning device is all mounted in indoor ceiling, detectivity for indoor each room is balanced not, only when the larger arrival of smog is provided with near the ceiling of sniffer, sniffer just can detect, and at this moment probably the intensity of a fire acquired a certain degree, missed best time of fire alarming; Secondly, structure is comparatively complicated, and price is higher, and is arranged on ceiling and can not moves, and changes battery and dismounting inconvenient, especially needs specialized engineering personnel to visit and carries out installation and maintenance, to family, fire alarm detection device is installed and is brought very big inconvenience; Finally, being arranged on affects attractive in appearancely on ceiling, and particularly newly-decorated house, affects the enthusiasm that people install fire alarm detection device in the family.Equally, the interim inhabitation place such as some little markets, little Internet bar, chess and card room and dormitory, construction site, very large provisional owing to having, managerial personnel are not high for the enthusiasm that fixing fire alarm installation is installed on ceiling, much less than position, there is great disaster hidden-trouble in the installation of fire alarm detection device.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Household movable smog alarm detector, this smog alarm panel detector structure is simple, low price, can be placed in each indoor place, the region of the easy breaking out of fire of key monitoring, survey in time abnormal smog, and alarm, prevent the generation of fire.
The technical scheme solving the problems of the technologies described above is:
A kind of Household movable smog alarm detector, it comprises shell, detection control circuit, battery, loudspeaker, detection control circuit, battery, loudspeaker are installed in the enclosure, on shell, there is detection window to be in communication with the outside, detection control circuit is amplified drive part, stabilized voltage supply, power supply and reset switch and is formed by microcontroller, photoelectric smoke detection part, audio frequency, microcontroller is connected with photoelectric smoke detection part, audio frequency amplification drive part, stabilized voltage supply, battery respectively, and audio frequency amplifies drive part and is connected with loudspeaker.
Above-mentioned Household movable smog alarm detector, described photoelectric smoke detection part is by infrared transmitting tube VD1, infrared receiving tube VD2, triode V3, triode V4, resistance R 6 ~ R14, capacitor C 3, C6 forms, the positive termination stabilized voltage supply of infrared transmitting tube VD1, the negative terminal of infrared transmitting tube VD1 connects the emitter of triode V4, the base stage of triode V4 connects the collector of triode V3, the base stage of triode V3 connects the pulse control port of microcontroller, the emitter of triode V3 and triode V4 collector be ground connection respectively, the negative termination power of infrared receiving tube VD2, the positive signal input end of the inside amplifier of the positive termination microcontroller of infrared receiving tube VD2, resistance R 10, resistance R 11 connects respectively between the negative signal input end and the output terminal of amplifier of inside amplifier of microcontroller, input signal is amplified.
Above-mentioned Household movable smog alarm detector, described audio frequency amplifies drive part and is comprised of triode V1, triode V2, resistance R 4, R5, R1, the base stage of triode V2 connects the signal output port of microcontroller, the base stage of the collector connecting transistor V1 of triode V2, the collector of triode V1 connects loudspeaker, the emitter of triode V1 connects stabilized voltage supply, the grounded emitter of triode V2.
Above-mentioned Household movable smog alarm detector, described stabilized voltage supply is comprised of three-terminal switch stabilized voltage supply N1, resistance R 1, capacitor C 2, C7, C8, the power input of the output termination microcontroller of three-terminal switch stabilized voltage supply N1, two input ends of three-terminal switch stabilized voltage supply N1 connect respectively the positive and negative terminal of power supply, resistance R 2, capacitor C 9 series windings are connected between two input ends of three-terminal switch stabilized voltage supply N1, and the two ends of resistance R 2 meet respectively infrared transmitting tube VD1 and triode V1.
Above-mentioned Household movable smog alarm detector, it is patrolled and examined in addition and indicating section is confirmed in fire alarm, patrol and examine and fire alarm confirms that indicating section is comprised of luminotron VD3, resistance R 3, the positive termination power of luminotron VD3, the negative terminal of luminotron VD3 connects the signal output port of microcontroller by resistance.
Usefulness of the present utility model is:
1. detector of the present utility model can be placed on Anywhere indoor, the region that the condition of a fire can effective monitoring easily occurs, in the very first time that has smog to produce, just can give the alarm, the danger that fire is occurred and spread drops to minimum, for being unwilling or can not providing more choices with the place that is difficult for the fixed smoke alarm of installation, there is significant social benefit.
2. the utility model is simple in structure, utilize microcontroller technology, the signal processing method that adopts thresholding algorithm, Trend Algorithm and quantity combusted method to combine carries out computing, and every environmental data is contrasted to judgement, thereby survey exactly smog situation, avoid wrong report and fail to report phenomenon.
3. shell of the present utility model can adopt various version, make various goods of furniture for display rather than for uses, function of smoking alarm and popular image are combined, existing can appreciating, there is again the fire of preventing to personal injury function, can be used as gift and give relative, friend, played the effect of universal fire-fighting prevention panalarm.
Accompanying drawing explanation
Fig. 1 is electric theory structure block diagram of the present utility model;
Fig. 2 is electrical schematic diagram of the present utility model.
In figure, mark is as follows: microcontroller 1, battery 2, photoelectric smoke detection part 3, audio frequency amplify drive part 4, loudspeaker 5, power supply and reset switch 6, stabilized voltage supply 7, patrol and examine and fire alarm confirmation indicating section 8.
Embodiment
The utility model is comprised of shell, detection control circuit, battery 2, loudspeaker 5.Detection control circuit, battery 2, loudspeaker 5 are installed in the enclosure, have detection window to be in communication with the outside on shell.Shell can be made various goods of furniture for display rather than for uses, as there is the image of cartoon toy, or there is functional apparatus with some and be combined, as desk lamp, the head of a bed are beaten, alarm clock, pocket watch, thermometer etc., be placed on the places such as room, kitchen or hang on the wall, playing the function of smog alarm.
In figure, show, detection control circuit of the present utility model amplifies drive part 4, stabilized voltage supply 7, power supply and reset switch 6 by microcontroller 1, photoelectric smoke detection part 3, audio frequency and forms.Microcontroller divides 1 not to be connected with photoelectric smoke detection part 3, audio frequency amplification drive part 4, stabilized voltage supply 7, battery 2, and audio frequency amplifies drive part 4 and is connected with loudspeaker 5.
In figure, show, the microcontroller 1 of an embodiment of the present utility model adopts the microprocessor U1 of model HT45F23, microprocessor U1 is 8 high-performance flash type single-chip microcomputers with A/D function and HOLTEK low-power consumption framework, and its inner structure comprises a 12bitA/D converter, two operational amplifiers, two comparers and a 12bit D/A converter circuit for voice output.There is the flash program's memory space of 2KX15 and the RAM data space of 128X8.
In figure, show, photoelectric smoke detection part 3 is comprised of infrared transmitting tube VD1, infrared receiving tube VD2, triode V3, triode V4, resistance R 1 ~ R13, capacitor C 3, C6.
In the detection window of shell, have labyrinth, labyrinth is cylindrical shape, by certain angle fixedly infrared transmitting tube VD1 and infrared receiving tube VD2, plays and prevents that extraneous light from entering, and disturbs the effect of infrared transmitting tube VD1 and infrared receiving tube VD2 work.Labyrinth surrounding is smoke guide trough, guiding passage of smoke infrared transmitting tube VD1 and infrared receiving tube VD2 angle center, the sensitivity and the accuracy that improve Smoke Detection.
Infrared transmitting tube VD1 and infrared receiving tube VD2 install in the labyrinth of detection window in the enclosure according to certain angle (110 °), triode V3, triode V4 and peripheral resistance R 7, R6 form driving and the control circuit of infrared transmitting tube VD1, the base stage of triode V3 connects 3 pin of microprocessor U1, pulse signal every a 200uS of 1S output, make infrared transmitting tube VD1 launch a branch of infrared light, infrared receiving tube VD2 receives.Infrared receiving tube VD2 and peripheral resistance R 8, R9, capacitor C 3 form receiving circuit, the light signal receiving is converted to ultra-weak electronic signal and delivers to microprocessor U1 signal input part 12 pin.
After ultra-weak electronic signal being amplified by 10,11,12 pin of microprocessor U1 and peripheral resistance R 10, operational amplifier that R11 forms, by delivering to 13,14,15 pin and peripheral resistance R 10, the R11 of microprocessor U1 after capacitor C 6, resistance R 12 Isolations, forms sample-and-hold circuit, wait A/D changes.
The simulating signal that sample-and-hold circuit is preserved includes A/D converter by microprocessor U1 and carries out mould/number conversion, and microprocessor U1 carries out quantity combusted, and multiple Mathematical Model Analysis, the judgements such as fire alarm threshold value and climbing speed, be finally confirmed whether breaking out of fire.
Microprocessor U1 includes power supply simulation gauge tap, and control algorithm amplifier duty only, when infrared transmitting tube VD1 transmitting infrared light, is just opened operational amplifier part, guarantees to save electric energy.
The specific works process of above-mentioned photoelectric smoke detection part 3 is:
In clean air, outside the scattered light of the labyrinth wall that infrared receiving tube VD2 decapacitation receiving pole is a small amount of, be the infrared light that can not receive infrared transmitting tube VD1 transmitting.Therefore the output of the AD converter of microprocessor U1 counting is very little, and this counting is called as the quiescent point of probe portion.When there being smog to enter labyrinth, while being diffused into the sensitive volume between infrared transmitting tube VD1 and infrared receiving tube VD2, infrared light is scattered to infrared receiving tube VD2 by smoke particle, and the operational amplifier output voltage of microprocessor U1, while reaching certain numerical value, is confirmed fire.
In figure, show, audio frequency amplifies drive part 4 and is comprised of triode V1, triode V2, resistance R 4, R5, R1.The base stage of triode V2 connects 7 pin of microprocessor U1, the base stage of the collector connecting transistor V1 of triode V2, and the collector of triode V1 connects loudspeaker, and the emitter of triode V1 connects stabilized voltage supply, the grounded emitter of triode V2.The 12bit D/A converter circuit of the voice output of microprocessor U1 inside produces fire alarm and is exported by 7 pin of microprocessor U1, drives audio frequency amplification driving circuit 4 to promote loudspeaker 5 and sends chimes of doom.
In figure, show, stabilized voltage supply 7 is comprised of three-terminal switch stabilized voltage supply N1, resistance R 1, capacitor C 2, C7, C8.Three-terminal switch stabilized voltage supply N1 and peripheral component capacitor C 7, C8, C2, resistance R 1 provide stable working power, 1 pin of the output termination microprocessor U1 of three-terminal switch stabilized voltage supply N1 to microprocessor U1; Resistance R 2, capacitor C 9 series windings are connected between two input ends of three-terminal switch stabilized voltage supply N1, form mu balanced circuit for infrared transmitting tube VD1 work.
In figure, show, patrol and examine and fire alarm confirms that indicating section 8 is comprised of luminotron VD3 and resistance R 3, the positive termination power of luminotron VD3, the negative terminal of luminotron VD3 connects 6 pin of microprocessor U1 by resistance R 3.During normal work, drive every 4S to patrol and examine once glittering by 6 pin of microprocessor U1, when breaking out of fire and while sending fire alarm sound, luminotron VD3 becomes normal bright state by glittering.
In figure, show, power supply and reset switch 6 be both as power switch, and powered-down function is simultaneously once open close fast, has again and make the function that resets after circuit alarm.
The loudspeaker J2 of the present embodiment adopts 0.25W 8 Ω loudspeakers, and battery E1 adopts the 3 joint power supplies of common alkaline zinc-manganese dioxide cell, and battery specification is 5#1.5 volt.
Claims (5)
1. a Household movable smog alarm detector, it is characterized in that: it comprises shell, detection control circuit, battery (2), loudspeaker (5), detection control circuit, battery (2), loudspeaker (5) is installed in the enclosure, on shell, there is detection window to be in communication with the outside, detection control circuit is by microcontroller (1), photoelectric smoke detection part (3), audio frequency amplifies drive part (4), stabilized voltage supply (7), power supply and reset switch (6) form, microcontroller (1) respectively with photoelectric smoke detection part (3), audio frequency amplifies drive part (4), stabilized voltage supply (7), battery (2) is connected, audio frequency amplifies drive part (4) and is connected with loudspeaker (5).
2. Household movable smog alarm detector according to claim 1, it is characterized in that: described photoelectric smoke detection part (3) is by infrared transmitting tube VD1, infrared receiving tube VD2, triode V3, triode V4, resistance R 1 ~ R13, capacitor C 3, C6 forms, the positive termination stabilized voltage supply (7) of infrared transmitting tube VD1, the negative terminal of infrared transmitting tube VD1 connects the emitter of triode V4, the base stage of triode V4 connects the collector of triode V3, the base stage of triode V3 connects the pulse control port of microcontroller (1), the emitter of triode V3 and triode V4 collector be ground connection respectively, the negative termination power of infrared receiving tube VD2, the positive signal input end of the inside amplifier of the positive termination microcontroller (1) of infrared receiving tube VD2, resistance R 10, resistance R 11 connects respectively between the negative signal input end and the output terminal of amplifier of inside amplifier of microcontroller (1).
3. Household movable smog alarm detector according to claim 2, it is characterized in that: described audio frequency amplifies drive part (4) and is comprised of triode V1, triode V2, resistance R 4, R5, R1, the base stage of triode V2 connects the signal output port of microcontroller (1), the base stage of the collector connecting transistor V1 of triode V2, the collector of triode V1 connects loudspeaker (5), the emitter of triode V1 connects stabilized voltage supply (7), the grounded emitter of triode V2.
4. Household movable smog alarm detector according to claim 3, it is characterized in that: described stabilized voltage supply (7) is comprised of three-terminal switch stabilized voltage supply N1, resistance R 1, capacitor C 2, C7, C8, the power input of the output termination microcontroller (1) of three-terminal switch stabilized voltage supply N1, two input ends of three-terminal switch stabilized voltage supply N1 connect respectively the positive and negative terminal of power supply, resistance R 2, capacitor C 9 series windings are connected between two input ends of three-terminal switch stabilized voltage supply N1, and the two ends of resistance R 2 meet respectively infrared transmitting tube VD1 and triode V1.
5. Household movable smog alarm detector according to claim 4, it is characterized in that: it is patrolled and examined in addition and indicating section (8) is confirmed in fire alarm, patrol and examine and fire alarm confirms that indicating section (8) is comprised of luminotron VD3, resistance R 3, the positive termination power of luminotron VD3, the negative terminal of luminotron VD3 connects the signal output port of microcontroller (1) by resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734216.1U CN203552395U (en) | 2013-11-20 | 2013-11-20 | Household movable smoke alarm detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734216.1U CN203552395U (en) | 2013-11-20 | 2013-11-20 | Household movable smoke alarm detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552395U true CN203552395U (en) | 2014-04-16 |
Family
ID=50470478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320734216.1U Expired - Fee Related CN203552395U (en) | 2013-11-20 | 2013-11-20 | Household movable smoke alarm detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617690A (en) * | 2013-11-20 | 2014-03-05 | 河北正光报警设备有限公司 | Domestic movable smoke alarming detector |
| TWI550563B (en) * | 2015-10-29 | 2016-09-21 | ying-xue Huang | Easy to disassemble the detector |
-
2013
- 2013-11-20 CN CN201320734216.1U patent/CN203552395U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617690A (en) * | 2013-11-20 | 2014-03-05 | 河北正光报警设备有限公司 | Domestic movable smoke alarming detector |
| TWI550563B (en) * | 2015-10-29 | 2016-09-21 | ying-xue Huang | Easy to disassemble the detector |
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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: 20140416 Termination date: 20211120 |