CN209312193U - A kind of miniature smoke alarm - Google Patents
A kind of miniature smoke alarm Download PDFInfo
- Publication number
- CN209312193U CN209312193U CN201920103879.0U CN201920103879U CN209312193U CN 209312193 U CN209312193 U CN 209312193U CN 201920103879 U CN201920103879 U CN 201920103879U CN 209312193 U CN209312193 U CN 209312193U
- Authority
- CN
- China
- Prior art keywords
- resistance
- triode
- capacitor
- diode
- infrared
- 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)
Abstract
The utility model discloses a kind of miniature smoke alarms, including infrared receiver control unit, infrared sensor cell and smog alarm unit；The infrared receiver control unit receives reflection infrared light, the result for handling data and the infrared sensor cell are subjected to data comparison, result judgement is carried out according to the intensity of infrared external reflection light, confirm the smoke condition in working environment, if there is smog excess, then the smog alarm unit is connected and warns.The utility model increases infrared detector, completes the function of smog measurement, is confirmed by delayer further progress smokescope, and complete the higher smog alarm of accuracy, circuit is simple, and cost performance is high.
Description
Technical field
The utility model relates to smokescope inductor fields, it particularly relates to which a kind of miniature smoke alarm, passes through
The circuit design of miniaturization, can complete the very high smog alarm of accuracy, and cost performance is very high.
Background technique
As the key signal of fire detection, smokescope progress is measured in real time and accurately and always is at present respectively
The target that big crowd's close quarters are pursued, this is the important means that fire preventing occurs.
In traditional smog detection method, the default of a smokescope generally can be all carried out in smoke alarm
Value.When detecting the smokescope in environment and being higher than the threshold value of setting, alarm, which will work, issues the sound warned, from
And personnel is illustrated to check.But this method is also defective, if exceeded in discovery smokescope, carried out remedial measure it
Afterwards, still can smokescope for some time exceed setting value, this when, alarm can continue that whistle is kept to warn, also
It is to maintain nonessential alarm condition, this can further cause crowd panic, play reaction to safeguard protection.
Therefore, it is necessary to which the device of a delayed acknowledgement is arranged in smoke alarm, there is exception to smokescope
Front and back is confirmed that differentiation is that concentration reduces the stage or the unexpected stage occurs, so that progress is more accurate, confidence level is higher
Smog warn.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of miniature smoke alarms, to overcome existing correlation
Above-mentioned technical problem present in technology.
The technical solution of the utility model is achieved in that
A kind of miniature smoke alarm, including infrared receiver control unit, infrared sensor cell and smog alarm unit；
The infrared receiver control unit receives reflection infrared light, by the result for handling data and the infrared sensing list
Member carries out data comparison, carries out result judgement according to the intensity of infrared external reflection light, confirms the smoke condition in working environment, such as
There is smog excess in fruit, then the smog alarm unit is connected and warns, otherwise continues to detect；
Infrared receiver control unit, including photodiode PQ1, diode D2, diode D3, capacitor C3, triode Q3,
Triode Q4, resistance R5, resistance R6 and adjustable resistance RV1, the emitter of photodiode PQ1 is respectively with the triode Q3's
One end connection of base stage, the adjustable resistance RV1, anode, the institute of the other end of the adjustable resistance RV1 and the diode D2
The one end for stating capacitor C3 is grounded, the cathode of the diode D2 respectively with the other end of the capacitor C3, the resistance R5
One end, the diode D3 cathode connection, the other end of the resistance R5 respectively with the base stage of the triode Q4, described three
The connection of pole pipe Q3 emitter, the collector of the triode Q4 are connect with one end of the resistance R6；
Infrared sensor cell, including diode DS1, triode Q1, triode Q2, capacitor C1, capacitor C2, capacitor C4, electricity
It is another with the resistance R6 respectively to hinder R1, resistance R2, resistance R3, resistance R4 and resistance R7, the collector of the triode Q3
End, the diode DS1 anode connection, the emitter of the triode Q4 respectively with one end of the resistance R1, the electricity
Hinder one end of R3, the collector connection of the triode Q1, the anode of the emitter of the triode Q1 and the diode D3
Connection, the base stage of the triode Q1 are connect with one end of one end of the resistance R2, the capacitor C1 respectively, the capacitor C1
One end of the other end and the capacitor C2 be grounded, the other end of the capacitor C2 respectively with one end of the resistance R1, institute
State triode Q2 base stage connection, the other end of the resistance R3 respectively with one end of the resistance R7, the resistance R4 one
End, the capacitor C4 one end connection, the other end of the resistance R4 respectively with the other end of the resistance R2, the triode
The collector of Q2 connects, the emitter ground connection of the triode Q2；
Smog alarm unit, including relay K1, delay switch RE1, resistance R8, resistance R9, resistance R10, triode Q5,
One end of capacitor C5 and electric bell LS1, the collector of photodiode PQ1 and the resistance R7, the capacitor C4 one end, described
One end of resistance R8, the triode Q5 collector connect with voltage signal Vin, the other end of resistance R8 ground connection,
The cathode of the diode DS1 is connect with one end of the resistance R9, the other end of the resistance R9 and the delay switch RE1
The connection of the 4th pin, the 5th pin of the delay switch RE1 connect with the first pin of the relay K1, the relay
The third pin of device K1 and the third pin of the delay switch RE1 are grounded, the second pin of the relay K1 respectively with
The first pin connection of one end of the resistance R10, the electric bell LS1, the other end ground connection of the resistance R10, the electric bell
The second pin of LS1 is connect with the first pin of the delay switch RE1, the second pin of the delay switch RE1 with it is described
The base stage of triode Q5 connects, and the emitter of the triode Q5 is connect with one end of the capacitor C5, and the capacitor C5's is another
One end ground connection.
Further, the model of the relay K1 is JRX-13F.
Further, the diode DS1 is a kind of infrared emanation t source.
Further, the photodiode PQ1 is a kind of component that the adjustment of electric current multiple is carried out according to infrared ray luminosity,
Corresponding reaction can be carried out to the smokescope in working environment in real time, to complete the function of smog alarm.
Further, the delay switch RE1 is that five port switch are reported under the control of the relay K1
Alert switch control；If there is the situation that smokescope is excessively high, it can further confirm that whether need to alarm.
Further, the resistance R1, the resistance R2, the resistance R5, the resistance R6, the resistance R7, the electricity
The resistance value size for hindering the R9 and resistance R10 is 1k Ω；The resistance value size of the resistance R3 and the resistance R4 are 150
Ω；The resistance value size of the resistance R8 is 300 Ω.
The utility model has the following beneficial effects: by increasing the infrared receiver compared with the infrared light of internal emission
Device can carry out accurate real-time measurement to the smokescope in air, when there is the excessively high situation of smokescope, delay
The design of alarm can be determined and warn to smoke condition, and whole design is compact simplified, and reliability and cost performance are very high.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of automobile-used high stability temperature sensor circuit figure according to the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of miniature smoke alarm.
As shown in Figure 1, according to the miniature smoke alarm of the utility model embodiment, including infrared receiver control unit,
Infrared sensor cell and smog alarm unit；
The infrared receiver control unit receives reflection infrared light, by the result for handling data and the infrared sensing list
Member carries out data comparison, carries out result judgement according to the intensity of infrared external reflection light, confirms the smoke condition in working environment, such as
There is smog excess in fruit, then the smog alarm unit is connected and warns, otherwise continues to detect；
Infrared receiver control unit, including photodiode PQ1, diode D2, diode D3, capacitor C3, triode Q3,
Triode Q4, resistance R5, resistance R6 and adjustable resistance RV1, the emitter of photodiode PQ1 is respectively with the triode Q3's
One end connection of base stage, the adjustable resistance RV1, anode, the institute of the other end of the adjustable resistance RV1 and the diode D2
The one end for stating capacitor C3 is grounded, the cathode of the diode D2 respectively with the other end of the capacitor C3, the resistance R5
One end, the diode D3 cathode connection, the other end of the resistance R5 respectively with the base stage of the triode Q4, described three
The connection of pole pipe Q3 emitter, the collector of the triode Q4 are connect with one end of the resistance R6；
Infrared sensor cell, including diode DS1, triode Q1, triode Q2, capacitor C1, capacitor C2, capacitor C4, electricity
It is another with the resistance R6 respectively to hinder R1, resistance R2, resistance R3, resistance R4 and resistance R7, the collector of the triode Q3
End, the diode DS1 anode connection, the emitter of the triode Q4 respectively with one end of the resistance R1, the electricity
Hinder one end of R3, the collector connection of the triode Q1, the anode of the emitter of the triode Q1 and the diode D3
Connection, the base stage of the triode Q1 are connect with one end of one end of the resistance R2, the capacitor C1 respectively, the capacitor C1
One end of the other end and the capacitor C2 be grounded, the other end of the capacitor C2 respectively with one end of the resistance R1, institute
State triode Q2 base stage connection, the other end of the resistance R3 respectively with one end of the resistance R7, the resistance R4 one
End, the capacitor C4 one end connection, the other end of the resistance R4 respectively with the other end of the resistance R2, the triode
The collector of Q2 connects, the emitter ground connection of the triode Q2；
Smog alarm unit, including relay K1, delay switch RE1, resistance R8, resistance R9, resistance R10, triode Q5,
One end of capacitor C5 and electric bell LS1, the collector of photodiode PQ1 and the resistance R7, the capacitor C4 one end, described
One end of resistance R8, the triode Q5 collector connect with voltage signal Vin, the other end of resistance R8 ground connection,
The cathode of the diode DS1 is connect with one end of the resistance R9, the other end of the resistance R9 and the delay switch RE1
The connection of the 4th pin, the 5th pin of the delay switch RE1 connect with the first pin of the relay K1, the relay
The third pin of device K1 and the third pin of the delay switch RE1 are grounded, the second pin of the relay K1 respectively with
The first pin connection of one end of the resistance R10, the electric bell LS1, the other end ground connection of the resistance R10, the electric bell
The second pin of LS1 is connect with the first pin of the delay switch RE1, the second pin of the delay switch RE1 with it is described
The base stage of triode Q5 connects, and the emitter of the triode Q5 is connect with one end of the capacitor C5, and the capacitor C5's is another
One end ground connection.
In one embodiment, the model of the relay K1 is JRX-13F.
In one embodiment, the diode DS1 is a kind of infrared emanation t source.
In one embodiment, the photodiode PQ1 is a kind of according to the progress electric current multiple adjustment of infrared ray luminosity
Component, corresponding reaction can be carried out to the smokescope in working environment in real time, to complete the function of smog alarm.
In one embodiment, the delay switch RE1 is five port switch, in the control of the relay K1
Under, carry out alarm switch control；If there is the situation that smokescope is excessively high, it can further confirm that whether need to alarm.
In one embodiment, the resistance R1, the resistance R2, the resistance R5, the resistance R6, the resistance
The resistance value size of R7, the resistance R9 and the resistance R10 are 1k Ω；The resistance value of the resistance R3 and the resistance R4 are big
Small is 150 Ω；The resistance value size of the resistance R8 is 300 Ω.
Working principle: diode DS1, triode Q1, triode Q2, capacitor C1, capacitor C2, capacitor C4, resistance R1, resistance
R2, resistance R3, resistance R4 and resistance R7 form infrared sensor cell, and the diode DS1 can emit infrared ray, be irradiated to
In smoke monitoring region in working environment, when there is the case where smokescope raising, corresponding infrared ray can be detected
Light varience；What the triode Q1, the triode Q2, the capacitor C1 and the capacitor C2 can emit infrared ray
Intensity is controlled, to adjust different monitoring primary photometric standards according to different monitoring environment.
Photodiode PQ1, diode D2, diode D3, capacitor C3, triode Q3, triode Q4, resistance R5, resistance
R6 and adjustable resistance RV1 forms infrared receiver control unit, and the photodiode PQ1 can be to the infrared ray concentration in air
It is detected, after the diode DS1 launches infrared ray, by the air reflection of working environment, final infrared ray
Luminosity can generate variation, if smog occurs in working environment, infrared observation luminosity will appear obvious improper change, further
Caused curent change can be passed；The effect of the triode Q3 and the triode Q4 are composition cascade circuits, to institute
The electric current for stating photodiode PQ1 conversion carries out multiple amplification, controls the on-off of warning circuit；
Relay K1, delay switch RE1, resistance R8, resistance R9, resistance R10, triode Q5, capacitor C5 and electric bell LS1 group
At smog alarm unit, the relay K1 is after the processing electric current for receiving the infrared receiver control unit, to alarm
The on-off of circuit is controlled, and when infra-red radiation is normal, the relay K1 does not work, and otherwise the relay K1 can be received
To the current knowledge of charge unbalance, the relay K1 controls the delay switch RE1 work at this time；The delay switch
The delay time of RE1 can carry out customized setting, after receiving the instruction of the relay K1, by conducting alarm electricity
Road；The effect of the electric bell LS1 is after smokescope has carried out excessively high confirmation, and connection is alarmed.
In conclusion, by designing a kind of miniature smoke alarm, being led to by means of the above-mentioned technical proposal of the utility model
Cross itself included infrared transmitter and carry out infrared light emission, and on this basis with infrared hair received by infrared remote receiver
It penetrates light and carries out brightness contrast, to measure to the smokescope in working environment, the design of delayed alarm can guarantee to survey
The accuracy of result is measured, overall cost is cheap, and reliability is high.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of miniature smoke alarm, including infrared receiver control unit, infrared sensor cell and smog alarm unit；
The infrared receiver control unit receives reflection infrared light, by handle data result and the infrared sensor cell into
Row data comparison carries out result judgement according to the intensity of infrared external reflection light, confirms the smoke condition in working environment, if gone out
Existing smog is excessive, then the smog alarm unit is connected and warns, otherwise continues to detect；
Infrared receiver control unit, including photodiode PQ1, diode D2, diode D3, capacitor C3, triode Q3, three poles
Pipe Q4, resistance R5, resistance R6 and adjustable resistance RV1, the emitter of the photodiode PQ1 base with the triode Q3 respectively
One end connection of pole, the adjustable resistance RV1, the other end of the adjustable resistance RV1 are positive, described with the diode D2's
One end of capacitor C3 is grounded, the cathode of the diode D2 respectively with the other end of the capacitor C3, the resistance R5 one
End, the diode D3 cathode connection, the other end of the resistance R5 respectively with the base stage of the triode Q4, three pole
The connection of pipe Q3 emitter, the collector of the triode Q4 are connect with one end of the resistance R6；
Infrared sensor cell, including diode DS1, triode Q1, triode Q2, capacitor C1, capacitor C2, capacitor C4, resistance R1,
Resistance R2, resistance R3, resistance R4 and resistance R7, the collector of the triode Q3 respectively with the other end of the resistance R6, institute
State the anode connection of diode DS1, the emitter of the triode Q4 respectively with one end of the resistance R1, the resistance R3
The collector connection of one end, the triode Q1, the emitter of the triode Q1 are connect with the anode of the diode D3, institute
The base stage for stating triode Q1 is connect with one end of one end of the resistance R2, the capacitor C1 respectively, and the capacitor C1's is another
End and one end of the capacitor C2 are grounded, the other end of the capacitor C2 respectively with one end of the resistance R1, three pole
The base stage of pipe Q2 connects, the other end of resistance R3 one end, described with one end of the resistance R7, the resistance R4 respectively
One end of capacitor C4 connects, the other end of the resistance R4 collection with the other end of the resistance R2, the triode Q2 respectively
Electrode connection, the emitter ground connection of the triode Q2；
Smog alarm unit, including relay K1, delay switch RE1, resistance R8, resistance R9, resistance R10, triode Q5, capacitor
C5 and electric bell LS1, the collector of photodiode PQ1 and one end of the resistance R7, one end of the capacitor C4, the resistance
One end of R8, the triode Q5 collector connect with voltage signal Vin, the other end of resistance R8 ground connection is described
The cathode of diode DS1 is connect with one end of the resistance R9, and the of the other end of the resistance R9 and the delay switch RE1
The connection of four pins, the 5th pin of the delay switch RE1 are connect with the first pin of the relay K1, the relay K1
Third pin and the third pin of the delay switch RE1 be grounded, the second pin of the relay K1 respectively with it is described
The first pin connection of one end of resistance R10, the electric bell LS1, the other end ground connection of the resistance R10, the electric bell LS1's
Second pin is connect with the first pin of the delay switch RE1, the second pin of the delay switch RE1 and the triode
The base stage of Q5 connects, and the emitter of the triode Q5 is connect with one end of the capacitor C5, another termination of the capacitor C5
Ground.
2. a kind of miniature smoke alarm according to claim 1, which is characterized in that the model of the relay K1 is
JRX-13F。
3. a kind of miniature smoke alarm according to claim 1, which is characterized in that the diode DS1 is a kind of red
Outside line emits light source.
4. a kind of miniature smoke alarm according to claim 1, which is characterized in that the photodiode PQ1 is one
The component that the adjustment of electric current multiple kind is carried out according to infrared ray luminosity, can in real time carry out pair the smokescope in working environment
It should react, to complete the function of smog alarm.
5. a kind of miniature smoke alarm according to claim 1, which is characterized in that the delay switch RE1 is one
Five port switch carry out alarm switch control under the control of the relay K1；If there is the feelings that smokescope is excessively high
Condition can further confirm that whether need to alarm.
6. a kind of miniature smoke alarm according to claim 1, which is characterized in that the resistance R1, the resistance R2,
The resistance R5, the resistance R6, the resistance R7, the resistance R9 and the resistance R10 resistance value size be 1k Ω；Institute
The resistance value size for stating the resistance R3 and resistance R4 is 150 Ω；The resistance value size of the resistance R8 is 300 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103879.0U CN209312193U (en) | 2019-01-22 | 2019-01-22 | A kind of miniature smoke alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103879.0U CN209312193U (en) | 2019-01-22 | 2019-01-22 | A kind of miniature smoke alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312193U true CN209312193U (en) | 2019-08-27 |
Family
ID=67681233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920103879.0U Expired - Fee Related CN209312193U (en) | 2019-01-22 | 2019-01-22 | A kind of miniature smoke alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449510A (en) * | 2019-12-23 | 2020-07-28 | 浙江苏泊尔家电制造有限公司 | Control method of cooking appliance and cooking appliance |
-
2019
- 2019-01-22 CN CN201920103879.0U patent/CN209312193U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449510A (en) * | 2019-12-23 | 2020-07-28 | 浙江苏泊尔家电制造有限公司 | Control method of cooking appliance and cooking appliance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10769938B1 (en) | Smoke detection method, smoke detection device, smoke alarm and storage medium | |
| US7498949B2 (en) | Fire sensor and fire sensor status information acquisition system | |
| WO2017035928A1 (en) | Intelligent alarm system and method | |
| CN209118462U (en) | A kind of visualization phase battle array intelligent fire alarm system of front-end convergence | |
| CN109872491A (en) | Fire monitoring method, device, electronic equipment and system | |
| CN111487171B (en) | Forward and backward combined dual-wavelength dispersed fire smoke detection method | |
| CN208538288U (en) | A kind of smoke fire detector circuit and smoke fire detector | |
| CN212302696U (en) | Photoelectric smoke sensor based on NB-IOT | |
| CN110009863A (en) | A kind of vertical double light path smoke detection labyrinth and its detection method | |
| CN108648408A (en) | A kind of photoelectric smoke detector and its self checking method | |
| CN209312193U (en) | A kind of miniature smoke alarm | |
| JP3243115B2 (en) | Photoelectric detector and fire detection system | |
| CN106408843A (en) | Three-band infrared flame detector having automatic calibration function | |
| CN207097187U (en) | A kind of intelligent free-standing smoke sensitive fire hazard detection alarm | |
| CN209842823U (en) | Vertical double-light-path smoke-sensing detection labyrinth | |
| CN205563917U (en) | Photoelectric type flame detecting device | |
| CN204791387U (en) | Intelligence smoke detector | |
| CN208092906U (en) | A kind of photoelectric smoke detector | |
| CN209842826U (en) | Multi-light-path bidirectional scattering smoke detector labyrinth | |
| CN109979154A (en) | Vertical double light path smoke detection labyrinth and its detection method | |
| CN207115677U (en) | Fire alarm system based on PLC | |
| CN206421541U (en) | A kind of free-standing photoelectric smoke alarm | |
| CN209560673U (en) | Spot-type photoelectric smoke detector circuit | |
| CN209842822U (en) | Vertical double-light-path smoke-sensing detection labyrinth | |
| CN114913667B (en) | Fire early smoke anti-interference sensing device and anti-interference method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190827 Termination date: 20220122 |