CN108470421A - A kind of easily open air smoke detector and its method - Google Patents
A kind of easily open air smoke detector and its method Download PDFInfo
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- CN108470421A CN108470421A CN201810282618.XA CN201810282618A CN108470421A CN 108470421 A CN108470421 A CN 108470421A CN 201810282618 A CN201810282618 A CN 201810282618A CN 108470421 A CN108470421 A CN 108470421A
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- sensor
- mounting bracket
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- smog
- pcb board
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a kind of easily outdoor smoke detector and its methods; including mounting bracket and sensor housing; mounting bracket includes firm banking, containing box and detector mounting bracket; containing box is internally provided with accumulator, electric lifting rod and shock sensor; the top of electric lifting rod is fixedly connected with the bottom centre of detector mounting bracket; the middle part of detector mounting bracket is fixedly connected with sensor housing, and sensor housing includes pcb board set casing, upper layer protective cover, lower layer's protective cover, upper layer ventilator cowling and lower layer's ventilator cowling.Inventive sensor shell is placed on a telescopic detector mounting bracket, when set shaken caused by receiving external factor when, equipment is shunk automatically, say that detector mounting bracket is recovered in containing box, the probability of wild beast damage equipment is reduced, meanwhile, sensor housing is divided into two detection parts up and down, and photoelectric smoke sensor is respectively adopted, ion type smog sensor is detected smog, improve the accuracy of detection of equipment.
Description
Technical field
The present invention relates to smoke detection technical field, specially a kind of easily outdoor smoke detector and its method.
Background technology
Smoke alarm is fire source of early warning in one, and the smoke alarm of usual household is ceiling mounted, works as room
When interior generation fire, smoke alarm can be connected to indoor fire extinguishing system, extinguish kindling material in time, reduce fire as far as possible
Loss.For outdoor smoke alarm, since the same large area installs fire extinguishing system in no image of Buddha room, generally only as to inspection
It surveys and uses, find dangerous situation in time and detection information is timely transmitted to specified signal receiving terminal, after receiving fire information, ground
Dough figurine person takes how long fire suppression measures, traditional outdoor Fire alarm device are placed on open air greatly immediately, due to open air
Environment is changeable, does not lack and determine that factor is more, and the smoke alarm device of some open airs often will receive the interference of wild beast, equipment is caused to be damaged
It is bad, cause use cost to be significantly increased, and be difficult to ensure prolonged detection, therefore we make this improvement, proposes a kind of
Easily outdoor smoke detector and its method.
Invention content
To solve the poor defect of safeguard measure of the existing technology, the present invention provides a kind of easily outdoor smog spy
Survey devices and methods therefor.
In order to solve the above technical problem, the present invention provides the following technical solutions：
A kind of easily outdoor smoke detector of the present invention, including mounting bracket and sensor housing, the mounting bracket include solid
Determine pedestal, containing box and detector mounting bracket, the containing box is fixedly mounted on the top of firm banking, the containing box it is interior
Portion is provided with accumulator, electric lifting rod and shock sensor, and the electric lifting rod passes through shock sensor and accumulator electricity
Property connection, the top of the electric lifting rod is fixedly connected with the bottom centre of detector mounting bracket, the detector mounting bracket
Middle part be fixedly connected with sensor housing, solar energy photovoltaic panel, the sun are provided at the top of the detector mounting bracket
Can photovoltaic panel and accumulator be electrically connected, the sensor housing include pcb board set casing, upper layer protective cover, lower layer's protective cover,
Upper layer ventilator cowling and lower layer's ventilator cowling, the upper layer protective cover and lower layer's protective cover are threadably mounted at pcb board set casing respectively
Upper and lower both sides, the upper layer ventilator cowling and lower layer's ventilator cowling are threaded in top and the lower layer's protective cover of upper layer protective cover respectively
Bottom, double-sided PCB board is installed in the pcb board set casing, be integrated on the double-sided PCB board control module and respectively with
Detection circuit, power circuit, GPS positioning module and the wireless transport module that control module is electrically connected, the double-sided PCB board are logical
It crosses power circuit to be electrically connected with accumulator, photoelectric smoke sensor is provided at the top of the double-sided PCB board, it is described two-sided
The bottom of pcb board is provided with ion type smog sensor, and the surface of the pcb board set casing is symmetrically embedded with fan, the wind
The through-hole being connected to sensor housing is provided at the inlet scoop of fan；The fan is electrically connected by conducting wire and accumulator.
Further, the photoelectric smoke sensor includes optics labyrinth, infrared transmitting tube and infrared receiving tube, institute
It states infrared transmitting tube and infrared receiving tube is oppositely arranged and is mounted on the inside of optics labyrinth, the ion type smog sensor
Including ion chamber, two conductors disposed in parallel and americium-radioactive source, the americium-radioactive source are placed in the bottom centre of ion chamber, institute
It states conductor to be fixedly mounted on the inner wall of ion chamber, the infrared transmitting tube is electrically connected with power circuit, the infrared receiver
Pipe and conductor are electrically connected with detection circuit.
Further, the surface of the containing box is embedded with switch panel, the switch panel by conducting wire respectively with electricity
Dynamic elevating lever, photoelectric smoke sensor and ion type smog sensor are electrically connected.
Further, the surface of the storage box body is equipped with iron sheet.
Further, the sensor housing is made of fire prevention material, and the bottom of the solar energy photovoltaic panel is bonded with close
Seal rubber ring.
Further, the model Bl-600 type shock sensors of the shock sensor, the photo-electric smog sensing
Device uses JTY-GD-802 type photoelectric smoke sensors, the ion type smog sensor to use NIS-07 type ion type smogs
Sensor.
A kind of easily outdoor smoke detection method, carries out following steps successively：
S1：The installation of equipment, equipment are carried to open air, at horizontal spaciousness, equipment are placed upward vertically, and pass through switching surface
Plate drives electric lifting rod, electric lifting rod elongation to jack up detector mounting bracket, and sensor housing directly connects with extraneous air
It touches；
S2：Smog is tested, and is tested to smoke devices using smoke simulator, the smoke simulator is specially YWQ-
1500F type intelligent smog simulators, when smog is inhaled into the inside of sensor housing, whether observation mobile terminal can receive
The warning information that equipment is sent out, the warning information include GPS positioning module send out location information, photoelectric smoke sensor and
The smog alert information that ion type smog sensor detects；
S3：Vibration test after confirming that the detection performance of equipment is good, applies external force to equipment, so that equipment is moved, observation device exists
In the case of external force, can shock sensor detect the vibrations of equipment, to drive electric lifting rod to shrink, by detector
Mounting bracket is recovered to inside containing box, and certain protection is carried out to equipment；
S4：Performing leak test after confirming shock sensor energy normal operation, observes the close of the solar energy photovoltaic panel bottom after shrinking
Whether envelope rubber ring engages with the open top of containing box；
S5：It inspects periodically, after placing equipment, needs periodically to overhaul equipment.
Compared with prior art, the present invention has the advantages that：This kind easily outdoor smoke detector and its
Method, sensor housing are placed on a telescopic detector mounting bracket, when set shaken caused by receiving external factor when,
Equipment is shunk automatically, says that detector mounting bracket is recovered in containing box, reduces the probability of wild beast damage equipment, meanwhile, sensor
Shell be divided into up and down two detection parts, and be respectively adopted photoelectric smoke sensor, ion type smog sensor to smog into
Row detection, improves the accuracy of detection of equipment.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the device of the invention agent structure schematic diagram one；
Fig. 2 is the device of the invention agent structure schematic diagram two；
Fig. 3 is sensor of the invention shell structure schematic diagram；
Fig. 4 is the work flow diagram of the present invention.
In figure：1, mounting bracket；2, sensor housing；3, firm banking；4, containing box；5, accumulator；6, electric lifting rod；
7, shock sensor；8, solar energy photovoltaic panel；9, pcb board set casing；10, upper layer protective cover；11, lower layer's protective cover；12, upper layer
Ventilator cowling；13, lower layer's ventilator cowling；14, double-sided PCB board；15, control module；16, detection circuit；17, power circuit；18、GPS
Locating module；19, wireless transport module；20, photoelectric smoke sensor；21, ion type smog sensor；22, fan；23、
Through-hole；24, switch panel；25, detector mounting bracket；26, sealing rubber ring.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figs 1-4, a kind of easily outdoor smoke detector, including mounting bracket 1 and sensor housing 2, installation
Frame 1 includes firm banking 3, containing box 4 and detector mounting bracket 25, and containing box 4 is fixedly mounted on the top of firm banking 3, is received
That receives case 4 is internally provided with accumulator 5, electric lifting rod 6 and shock sensor 7, and electric lifting rod 6 passes through shock sensor 7
It is electrically connected with accumulator 5, the top of electric lifting rod 6 is fixedly connected with the bottom centre of detector mounting bracket 25, detector
The middle part of mounting bracket 25 is fixedly connected with sensor housing 2, and the top of detector mounting bracket 25 is provided with solar energy photovoltaic panel 8,
Solar energy photovoltaic panel 8 is electrically connected with accumulator 5, and sensor housing 2 includes pcb board set casing 9, upper layer protective cover 10, lower layer
Protective cover 11, upper layer ventilator cowling 12 and lower layer's ventilator cowling 13, upper layer protective cover 10 and lower layer's protective cover 11 are threadably mounted at respectively
The both sides up and down of pcb board set casing 9, upper layer ventilator cowling 12 and lower layer's ventilator cowling 13 are threaded in upper layer protective cover 10 respectively
The bottom at top and lower layer's protective cover 11 is equipped with double-sided PCB board 14 in pcb board set casing 9, is integrated on double-sided PCB board 14
Control module 15 and detection circuit 16, power circuit 17, GPS positioning module 18 and the nothing being electrically connected respectively with control module 15
Line transmission module 19, double-sided PCB board 14 are electrically connected by power circuit 17 and accumulator 5, the top setting of double-sided PCB board 14
There are photoelectric smoke sensor 20, the bottom of double-sided PCB board 14 to be provided with ion type smog sensor 21, pcb board set casing 9
Surface is symmetrically embedded with fan 22, and the through-hole 23 being connected to sensor housing 2 is provided at the inlet scoop of fan 22；Fan 22 is logical
Conducting wire is crossed to be electrically connected with accumulator 5.
Wherein, photoelectric smoke sensor 20 includes optics labyrinth, infrared transmitting tube and infrared receiving tube, infrared emission
Pipe and infrared receiving tube are oppositely arranged and are mounted on the inside of optics labyrinth, and infrared transmitting tube emits infrared ray, as optics fan
When entering smog in the cover of palace, infrared ray is reflected, and infrared receiving tube receiving infrared-ray is made, to send out one to detection circuit 16
A electrical number, realize smog alarm；Ion type smog sensor 21 includes ion chamber, two conductor and americium 241- disposed in parallel
Radioactive source, -241 radioactive source of americium are placed in the bottom centre of ion chamber, and conductor is fixedly mounted on the inner wall of ion chamber, institute of ion chamber
With radioactive element americium 241（Am241）, about 0.8 micromicrocurie of intensity or so is in the equilibrium state of electric field, when having under normal condition
Smog, which enters ionisation chamber, can destroy this equilibrium relation, and detection circuit detects the change of electric signal between conductor, realizes smog report
Alert, infrared transmitting tube is electrically connected with power circuit 17, and infrared receiving tube and conductor are electrically connected with detection circuit 16.
Wherein, the surface of containing box 4 is embedded with switch panel 24, switch panel 24 by conducting wire respectively with electric lifting rod
6, photoelectric smoke sensor 20 and ion type smog sensor 21 are electrically connected, and hand can be carried out to equipment by switch panel 24
Dynamic control, facilitates staff to shrink equipment, is moved and carried.
Wherein, the surface of 4 babinet of containing box is equipped with iron sheet, improves the envelope intensity of equipment, is opposite to internal detection
Device element is protected.
Wherein, sensor housing 2 is made of fire prevention material, and the bottom of solar energy photovoltaic panel 8 is bonded with sealing rubber ring 26,
Solar energy photovoltaic panel 8 can be used as the electric power source of equipment, while being alternatively detector and being blocked, avoid equipment outdoors by
To drenching with rain, the main function of sealing rubber ring 26 is can to reduce solar energy photovoltaic panel and containing box top when equipment is shunk
Gap, to improve leakproofness.
Wherein, the model Bl-600 type shock sensors of shock sensor 7, this kind of sensor accuracy of detection is sensitive, rings
Should be timely, photoelectric smoke sensor 20 uses JTY-GD-802 type photoelectric smoke sensors, this kind of sensor bulk is small and exquisite,
Installation, ion type smog sensor 21 is facilitated to use NIS-07 type ion type smog sensors, this kind of sensor accuracy of detection electricity
Meet requirement of the sections of UL217 9.5 to fly net, while stainless steel and polyacids ester material and ionization source surface metal from cell structure
Palladium all has high-corrosion resistance.
A kind of easily outdoor smoke detection method, which is characterized in that carry out following steps successively：
S1：The installation of equipment, equipment are carried to open air, at horizontal spaciousness, equipment are placed upward vertically, and pass through switching surface
Plate 24 drive electric lifting rod 6, electric lifting rod 6 elongation detector mounting bracket 25 is jacked up, sensor housing 2 directly with outside
Air contacts；
S2：Smog is tested, and is tested to smoke devices using smoke simulator, smoke simulator is specially YWQ-1500F types
Intelligent smog simulator, when smog is inhaled into the inside of sensor housing 2, whether observation mobile terminal being capable of receiving device hair
The warning information gone out, the warning information include GPS positioning module 18 send out location information, photoelectric smoke sensor 20 and from
The smog alert information that minor smoke sensor device 21 detects；
S3：Vibration test after confirming that the detection performance of equipment is good, applies external force to equipment, so that equipment is moved, observation device exists
In the case of external force, can shock sensor 7 detect the vibrations of equipment, to drive electric lifting rod 6 to shrink, will detect
Device mounting bracket 25 is recovered to inside containing box 4, and certain protection is carried out to equipment；
S4：Performing leak test observes 8 bottom of solar energy photovoltaic panel after shrinking after confirming 7 energy normal operation of shock sensor
Whether sealing rubber ring 26 engages with the open top of containing box 4；
S5：It inspects periodically, after placing equipment, needs periodically to overhaul equipment.
It should be noted that the present invention is a kind of easily outdoor smoke detector and its method, when specific works, move
It can be manipulated by switch panel 24 when dynamic equipment, electric lifting rod 6 is made to shrink, detector mounting bracket 25 is recovered in containing box 4,
The occupied space for reducing equipment, facilitates the carrying and transport of staff, takes spacious gentle area to, straight up by equipment
It puts, then is risen detector mounting bracket 25 by switch panel 24, in air, equipment exists for the exposure of sensor housing 2 at this time
In the case of having illumination, solar energy is absorbed by solar energy photovoltaic panel 8, and electric energy is stored into accumulator 5, supplied for equipment
Electricity, in the energized state, fan 22 rotates equipment, improves the intake of sensor housing 2, is set in the inside of sensor housing 2
It is equipped with double-sided PCB board 14, double-sided PCB board 14 is held between 5 pond of power circuit 17 and electric power storage by inside printing, two-sided
The both sides of pcb board 14 are separately installed with photoelectric smoke sensor 20 and ion type smog sensor 21, photo-electric smog sensing
Device 20 and ion type smog sensor 21 with the detection circuit 16 on double-sided PCB board 14 by being connected to, detection circuit 16 and control
Module 15 is connected to, and control module 15 is connect with GPS positioning module 18 and wireless transport module 19 respectively, when equipment is run, detection
Fire has occurred in region, smog is entered by upper layer ventilator cowling 12 and lower layer's ventilator cowling 13 in sensor housing 2, and light is passed through
Electric-type smoke sensor device 20 and ion type smog sensor 21 are detected, and are incited somebody to action by detection circuit 16 after detecting smog information
Detection data is transferred in control module 15, and control module 15 responds, by GPS positioning module 18 location information and inspection
The smog information measured is emitted outward by wireless transport module 19, and mobile terminal can arrange to go to inspection in time after receiving data
It surveys device and nearby carries out rescue action, simultaneously because equipment needs to place for a long time outdoors, when being attacked by wild beast, shock sensor
7 can capture the vibrations of equipment, to drive electric lifting rod 6, electric lifting rod 6 to shrink, detector mounting bracket 25 is received
It returns in containing box 4, avoids the component damage in sensor housing 2 and sensor housing 2, improve the self-defense capability of equipment.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of easily outdoor smoke detector, including mounting bracket（1）And sensor housing（2）, which is characterized in that it is described
Mounting bracket（1）Including firm banking（3）, containing box（4）With detector mounting bracket（25）, the containing box（4）It is fixedly mounted on
Firm banking（3）Top, the containing box（4）Be internally provided with accumulator（5）, electric lifting rod（6）And vibration-sensing
Device（7）, the electric lifting rod（6）Pass through shock sensor（7）With accumulator（5）It is electrically connected, the electric lifting rod（6）
Top and detector mounting bracket（25）Bottom centre be fixedly connected, the detector mounting bracket（25）Middle part and sensor
Shell（2）It is fixedly connected, the detector mounting bracket（25）Top be provided with solar energy photovoltaic panel（8）, the solar energy
Lie prostrate plate（8）With accumulator（5）It is electrically connected, the sensor housing（2）Including pcb board set casing（9）, upper layer protective cover
（10）, lower layer's protective cover（11）, upper layer ventilator cowling（12）With lower layer's ventilator cowling（13）, the upper layer protective cover（10）It is protected with lower layer
Shield（11）It is threadably mounted at pcb board set casing respectively（9）Both sides up and down, the upper layer ventilator cowling（12）With lower layer's ventilator cowling
（13）It is threaded in upper layer protective cover respectively（10）Top and lower layer's protective cover（11）Bottom, the pcb board set casing
（9）Double-sided PCB board is inside installed（14）, the double-sided PCB board（14）On be integrated with control module（15）And respectively with control mould
Block（15）The detection circuit of electric connection（16）, power circuit（17）, GPS positioning module（18）And wireless transport module（19）,
The double-sided PCB board（14）Pass through power circuit（17）With accumulator（5）It is electrically connected, the double-sided PCB board（14）Top
It is provided with photoelectric smoke sensor（20）, the double-sided PCB board（14）Bottom be provided with ion type smog sensor（21）,
The pcb board set casing（9）Surface be symmetrically embedded with fan（22）, the fan（22）Inlet scoop at be provided with and sense
Device shell（2）The through-hole of connection（23）；The fan（22）Pass through conducting wire and accumulator（5）It is electrically connected.
2. a kind of easily outdoor smoke detector according to claim 1, which is characterized in that the photo-electric smog
Sensor（20）Including optics labyrinth, infrared transmitting tube and infrared receiving tube, the infrared transmitting tube and infrared receiving tube phase
To being arranged and mounted on the inside of optics labyrinth, the ion type smog sensor（21）Including ion chamber, two parallel set
The conductor and americium 241- radioactive sources set, -241 radioactive source of the americium are placed in the bottom centre of ion chamber, and the conductor is fixedly mounted
On the inner wall of ion chamber, the infrared transmitting tube and power circuit（17）It is electrically connected, the infrared receiving tube and conductor are equal
With detection circuit（16）It is electrically connected.
3. a kind of easily outdoor smoke detector according to claim 1, which is characterized in that the containing box（4）
Surface be embedded with switch panel（24）, the switch panel（24）By conducting wire respectively with electric lifting rod（6）, photoelectric smoke
Mist sensor（20）With ion type smog sensor（21）It is electrically connected.
4. a kind of easily outdoor smoke detector according to claim 1, which is characterized in that the containing box（4）
The surface of babinet is equipped with iron sheet.
5. a kind of easily outdoor smoke detector according to claim 1, which is characterized in that the sensor housing
（2）It is made of fire prevention material, the solar energy photovoltaic panel（8）Bottom be bonded with sealing rubber ring（26）.
6. a kind of easily outdoor smoke detector according to claim 1, which is characterized in that the shock sensor
（7）Model Bl-600 type shock sensors, the photoelectric smoke sensor（20）Using JTY-GD-802 type photo-electrics
Smoke sensor device, the ion type smog sensor（21）Using NIS-07 type ion type smog sensors.
7. a kind of easily outdoor smoke detection method according to claim 1, which is characterized in that it is characterized in that, according to
Secondary carry out following steps：
S1：The installation of equipment, equipment are carried to open air, at horizontal spaciousness, equipment are placed upward vertically, and pass through switching surface
Plate（24）Drive electric lifting rod（6）, electric lifting rod（6）It extends detector mounting bracket（25）It jacks up, sensor housing（2）
Directly contacted with extraneous air；
S2：Smog is tested, and is tested to smoke devices using smoke simulator, the smoke simulator is specially YWQ-
1500F type intelligent smog simulators, when smog is inhaled into sensor housing（2）Inside, observation mobile terminal whether can
The warning information that receiving device is sent out, the warning information include GPS positioning module（18）Location information, the photo-electric smog sent out
Sensor（20）With ion type smog sensor（21）The smog alert information detected；
S3：Vibration test after confirming that the detection performance of equipment is good, applies external force to equipment, so that equipment is moved, observation device exists
In the case of external force, shock sensor（7）The vibrations that can detect equipment, to drive electric lifting rod（6）It shrinks, it will
Detector mounting bracket（25）It is recovered to containing box（4）Inside carries out equipment certain protection；
S4：Performing leak test confirms shock sensor（7）After energy normal operation, the solar energy photovoltaic panel after observation contraction（8）Bottom
The sealing rubber ring in portion（26）Whether with containing box（4）Open top engaging；
S5：It inspects periodically, after placing equipment, needs periodically to overhaul equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282618.XA CN108470421B (en) | 2018-04-02 | 2018-04-02 | Convenient outdoor smoke detection device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282618.XA CN108470421B (en) | 2018-04-02 | 2018-04-02 | Convenient outdoor smoke detection device and method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN108470421A true CN108470421A (en) | 2018-08-31 |
| CN108470421B CN108470421B (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810282618.XA Active CN108470421B (en) | 2018-04-02 | 2018-04-02 | Convenient outdoor smoke detection device and method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459540A (en) * | 2019-01-03 | 2019-03-12 | 南京信息工程大学 | A kind of air quality detector and air quality detecting device |
| CN111049533A (en) * | 2019-12-24 | 2020-04-21 | 浦江光特通讯技术有限公司 | Disposable distress signal transmitting equipment utilizing wireless signal transmission |
| CN111721681A (en) * | 2020-06-17 | 2020-09-29 | 福建泉州源始物语信息科技有限公司 | Video infrared monitor |
| CN112365670A (en) * | 2020-12-10 | 2021-02-12 | 杨慧超 | Electrified alarm device of building |
| CN115439992A (en) * | 2021-06-01 | 2022-12-06 | 霍尼韦尔国际公司 | Air-breathing smoke detector device |
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| CN109459540A (en) * | 2019-01-03 | 2019-03-12 | 南京信息工程大学 | A kind of air quality detector and air quality detecting device |
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