CN107797159A - Smoke detector - Google Patents
Smoke detector Download PDFInfo
- Publication number
- CN107797159A CN107797159A CN201710909660.5A CN201710909660A CN107797159A CN 107797159 A CN107797159 A CN 107797159A CN 201710909660 A CN201710909660 A CN 201710909660A CN 107797159 A CN107797159 A CN 107797159A
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- CN
- China
- Prior art keywords
- infrared
- smoke detector
- dark room
- chip
- optical dark
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a smoke detector, including circuit board, in addition to：Integrated chip, set on circuit boards, integrated chip is integrated with infrared receiver tube and microcontroller, and the infrared receiver window for transmitting infrared signal is provided with integrated chip；Optical dark room cover, it is located on circuit board and encloses to form optical dark room with circuit board, formed with ventilating structure on optical dark room cover；And infrared generator, for producing infrared light；Infrared generator is arranged in optical dark room.Smoke detector of the present invention eliminates modulate circuit, has saved cost and improved the stability of smoke detector by the way that infrared receiver tube and microcontroller are integrated in same integrated chip；In addition, the infrared receiver window of reception signal is arranged in optical dark room, because optical dark room cover has isolated the light in the external world so that reception signal will not be interfered and highly stable, improve the sensitivity of smoke detector.
Description
Technical field
The invention belongs to fire-fighting domain, is to be related to a kind of smoke detector more specifically.
Background technology
Photoelectric smoke detection product is when being occurred using fire, and light, which runs into fire hazard aerosol fog particle, can occur the absorption of light and dissipate
Penetrate act on this general principle and it is manufactured.Conventional solution is come using discrete infrared transmitting tube and infrared receiving tube
Complete sending and receiving for infrared light.Because real reception signal is very faint, needed between reception pipe and microcontroller
Special receiving conditioning circuit come signal is filtered and enhanced processing after, could be identified by microcontroller.In the tune of signal
Link is managed, faint reception signal is particularly susceptible to disturb, and the interference scurried into also can be equally exaggerated, and is caused to receive and is believed
Number wave distortion, and then reduce the stability and sensitivity of smoke detector.
The content of the invention
It is easy to solve reception signal present in prior art it is an object of the invention to provide a kind of smoke detector
It is disturbed, stability and the weaker technical problem of sensitivity.
To achieve the above object, the technical solution adopted by the present invention is：A kind of smoke detector, including circuit board are provided,
Also include：
Integrated chip, it is arranged on the circuit board, the integrated chip is integrated with infrared receiver tube and microcontroller,
The infrared receiver window for transmitting infrared signal is provided with integrated chip；
Optical dark room cover, it is located on the circuit board and encloses to form optical dark room with the circuit board, the optics
Formed with ventilating structure on the cover of darkroom；And
Infrared generator, for producing infrared light；The infrared generator is arranged in the optical dark room.
Further, the medial surface at the top of the optical dark room cover passes through surface roughening treatment.
Further, in addition to chip lid and bottom seat, the chip lid and base connection and one is formed between the two
Inner space, the circuit board are arranged in inner space and are connected with the base.
Further, the chip is covered formed with through hole corresponding with infrared receiver window, the size of the through hole
More than the size of the reception window.
Further, the chip is covered at the infrared receiver window formed with equal to the infrared receiver window
Size through hole.
Further, the optical dark room cover is arranged on the chip and covered, and the chip is covered by the optical dark room
Cover the surface area enclosed and pass through surface roughening treatment.
Further, the optical dark room cover includes a flat board and the multiple dividing plates being formed on the flat board, described more
Individual dividing plate encloses one every light space.
Further, the infrared generator includes support frame, infrared emission tube and for by the infrared ray
Infrared light caused by transmitting tube focuses on the lens of the surface of the infrared receiver window, the infrared emission tube and institute
Lens are stated to be arranged in support frame as described above.
Further, support frame as described above is wholely set with the chip lid.
Further, the optical dark room cover is provided with Access Division, and the chip is covered provided with being used for and the Access Division
The shackle member of clamping.
The beneficial effect of smoke detector provided by the invention is：Compared with prior art, smoke detector of the present invention
By the way that infrared receiver tube and microcontroller are integrated in same integrated chip, modulate circuit is eliminated, has saved cost
With the stability for improving smoke detector；In addition, the infrared receiver window of reception signal is arranged in optical dark room, by
Isolate the light in the external world in optical dark room cover, when smog is entered in optical dark room, the infrared light quilt of smoke particle reflection
Infrared receiver window reception so that reception signal will not be interfered and highly stable, improve the spirit of smoke detector
Quick property.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the configuration schematic diagram of smoke detector provided in an embodiment of the present invention；
Fig. 2 is the configuration schematic diagram of the infrared generator of smoke detector provided in an embodiment of the present invention；
Fig. 3 is the side view of the optical dark room cover of smoke detector provided in an embodiment of the present invention.
Wherein, each reference in figure：
1- bases；2- infrared generators；21- lens；22- infrared emission tubes；23- support frames；231- installation portions；
232- mounting holes；233- supporting parts；234- is open；3- chip lids；31- shackle members；32- through holes；4- optical dark room covers；In 41-
All wall extensions；42- outer peripheral sidewalls；43- top surfaces；44- Access Divisions；5- circuit boards.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, now smoke detector provided by the invention is illustrated.Smoke detector, including
Circuit board 5, integrated chip, optical dark room cover 4 and infrared generator 2.Integrated chip is arranged on circuit board 5, integrates core
Piece is integrated with infrared receiver tube and microcontroller, and the reception window for transmitting infrared signal is provided with integrated chip.Light
Darkroom cover 4 is located on circuit board 5 and enclosed with circuit board 5 is arranged on light in an optical dark room, infrared generator 2
Learn in darkroom, formed with ventilating structure on optical dark room cover 4.Infrared generator 2 is used to produce infrared light, and infrared ray occurs
Device 2 is arranged in optical dark room.
Smoke detector provided by the invention, compared with prior art, smoke detector of the present invention is by the way that infrared ray is connect
Closed tube and microcontroller are integrated in same integrated chip, eliminate modulate circuit, have been saved cost and have been improved smog spy
Survey the stability of device；In addition, the infrared receiver window of reception signal is arranged in optical dark room, due to optical dark room cover 4
The light in the external world is isolated, when smog is entered in optical dark room, the infrared light of smoke particle reflection is by infrared receiver window
Mouthful receive so that reception signal will not be interfered and highly stable, improve the sensitivity of smoke detector.
Further, also referring to Fig. 1 to Fig. 3, one kind specific implementation as smoke detector provided by the invention
Mode, smoke detector also include chip lid 3 and base 1, and chip lid 3 and base 1 connect and an inside sky formed between the two
Between, circuit board 5 is arranged in inner space and is connected with base 1；On chip lid 3 formed with infrared receiver window pair
The through hole 32 answered, the size of through hole 32 are more than or equal to the size of infrared receiver window.So, optical dark room is by optical dark room
Cover 4 and chip lid 3 enclose and form so that circuit board 5 and smog will not be contacted directly, thus chip lid 3 can protection circuit plate 5 keep away
Exempt from the pollution of smog, can effectively extend the service life of smoke detector.
Further, also referring to Fig. 1 to Fig. 3, one kind specific implementation as smoke detector provided by the invention
Mode, optical dark room cover 4 includes a flat board and the multiple dividing plates 45 being formed on flat board, wherein each dividing plate 45 includes outer circumferential side
Wall 42 and inner circumferential wall extension 41, the side 42 of outer peripheral sidewall connect with the side of inner circumferential wall extension 41, the side 42 of outer peripheral sidewall
Angle with inner circumferential wall extension 41 is acute angle, and circumferentially disposed formation of multiple dividing plates 45 along flat board one is adjacent every light space
Dividing plate 45 between leave gap, so as to gas enter.
Further, the upper surface that the top surface 43 of optical dark room cover 4 is enclosed to inner side and chip lid 3 by optical dark room cover 4
All pass through surface roughening treatment, the madial wall in optical dark room can be weakened to infrared light caused by infrared light generating apparatus
Reflex, avoid producing the reception of the detection signal and interference integrated chip of mistake to smoke signal.
Further, also referring to Fig. 1 to Fig. 3, one kind specific implementation as smoke detector provided by the invention
Mode, infrared generator 2 include support frame 23, infrared emission tube 22 and for will be red caused by infrared emission tube 22
Outer light focuses on the lens 21 of the surface of infrared receiver window, and infrared emission tube 22 and lens 21 are arranged on support frame 23
In.
Preferably, infrared emission tube 22 is electrically connected with circuit board 5, and infrared emission tube 22 is directly supplied by circuit board 5
Electricity；Support frame 23 includes supporting part 233 and installation portion 231, and installation portion 231 is arranged on supporting part 233, and supporting part 233 is used for
Installation portion 231 is supported on circuit board 5 or chip packet, installation portion 231 is provided with a mounting hole 232, and mounting hole 232 is provided with
The mounting structure of infrared emission tube 22 and lens 21, can be according to infrared receiver window and the position adjustments infrared ray of support
The distance of transmitting tube 22 and lens 21 in mounting hole 232, so that infrared light caused by infrared emission tube 22 focuses on
The surface of infrared receiver window；Supporting part 233 is a cuboid plate, the downside of supporting part 233 formed with die size phase
The groove of adaptation, supporting part 233 are located on chip and opening 234 are offered at infrared receiver window, set by such
Put, after supporting part 233 is located on chip, cuboid plate plays a part of being automatically positioned, it is ensured that the center of mounting hole 232
Line passes through the surface of infrared receiver window.In addition, support frame 23 can also be wholely set (not shown), such energy with chip lid 3
Circuit board 5 is environmentally isolated as much as possible with Smoke Detection, improve the protecting effect to circuit board 5.
Further, also referring to Fig. 1 to Fig. 3, one kind specific implementation as smoke detector provided by the invention
Mode, optical dark room cover 4 are provided with Access Division 44, and chip lid 3 is provided with the shackle member 31 being used for the clamping of Access Division 44, clamping
Part 31 engages with Access Division 44, and optical dark room cover 4 is fixed on chip lid 3.
Further, also referring to Fig. 1 to Fig. 3, one kind specific implementation as smoke detector provided by the invention
Mode, smoke detector also include a shell, are located on shell formed with breathable structure, shell outside optical dark room,
To increase the space that smoke detector accommodates smog.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of smoke detector, including circuit board, it is characterised in that also include：
Integrated chip, it is arranged on the circuit board, the integrated chip is integrated with infrared receiver tube and microcontroller, integrates
The infrared receiver window for transmitting infrared signal is provided with chip；
Optical dark room cover, it is located on the circuit board and encloses to form optical dark room with the circuit board, the optical dark room
Formed with ventilating structure on cover；And
Infrared generator, for producing infrared light；The infrared generator is arranged in the optical dark room.
2. smoke detector as claimed in claim 1, it is characterised in that：The medial surface at the top of the optical dark room cover passes through
Surface roughening treatment.
3. smoke detector as claimed in claim 1, it is characterised in that：Also include chip lid and bottom seat, the chip lid with
The base connects and an inner space is formed between the two, and the circuit board is arranged in inner space and connected with the base
Connect fixation.
4. smoke detector as claimed in claim 3, it is characterised in that：The chip cover formed with infrared receiver window
Through hole corresponding to mouthful, the size of the through hole are more than the size of the infrared receiver window.
5. smoke detector as claimed in claim 3, it is characterised in that：The chip is covered at the infrared receiver window
The through hole of size formed with equal to the infrared receiver window.
6. smoke detector as claimed in claim 3, it is characterised in that：The optical dark room cover is arranged on the chip lid
On, the chip covers passes through surface roughening treatment in the surface area enclosed by the optical dark room cover.
7. the smoke detector as described in any one of claim 1 to 6, it is characterised in that：It is flat that the optical dark room cover includes one
Plate and the multiple dividing plates being formed on the flat board, the multiple dividing plate enclose one every light space.
8. the smoke detector as described in any one of claim 1 to 6, it is characterised in that：The infrared generator includes
Support frame, infrared emission tube and for infrared light caused by the infrared emission tube to be focused on into the infrared receiver window
The lens of the surface of mouth, the infrared emission tube and the lens are arranged in support frame as described above.
9. smoke detector as claimed in claim 8, it is characterised in that：Support frame as described above is wholely set with the chip lid.
10. smoke detector as claimed in claim 3, it is characterised in that：The optical dark room cover is provided with Access Division, described
Chip is covered provided with the shackle member being used for the Access Division clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909660.5A CN107797159B (en) | 2017-09-29 | 2017-09-29 | Smoke detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909660.5A CN107797159B (en) | 2017-09-29 | 2017-09-29 | Smoke detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107797159A true CN107797159A (en) | 2018-03-13 |
| CN107797159B CN107797159B (en) | 2020-10-02 |
Family
ID=61532896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710909660.5A Active CN107797159B (en) | 2017-09-29 | 2017-09-29 | Smoke detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107797159B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541543A (en) * | 2019-01-09 | 2019-03-29 | 深圳市民明科技有限公司 | A kind of fire-fighting Field Force positioning system, localization method and detection positioning device |
| US20240183694A1 (en) * | 2021-05-14 | 2024-06-06 | SimpliSafe, Inc. | Smoke detector housing and surface mount |
Citations (10)
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|---|---|---|---|---|
| CN1305100A (en) * | 1999-11-01 | 2001-07-25 | 报知机株式会社 | Photoelectric smoke detector and smoke detector parts |
| CN2615781Y (en) * | 2003-05-15 | 2004-05-12 | 窦征 | Back scattering optical darkroom |
| CN102082548A (en) * | 2010-11-12 | 2011-06-01 | 成都天奥电子股份有限公司 | High-accuracy microcomputer-compensated surface-mounted temperature compensation crystal oscillator |
| CN203012900U (en) * | 2012-12-12 | 2013-06-19 | 宁波市科技园区佳柏电子有限公司 | Smoke alarm with remote control detection function |
| CN103400469A (en) * | 2013-07-31 | 2013-11-20 | 武光杰 | Smoke module |
| KR200470830Y1 (en) * | 2013-05-07 | 2014-01-16 | 재단법인 서울테크노파크 | Ceiling type sensor case having sensor intergration board |
| CN203673614U (en) * | 2013-12-26 | 2014-06-25 | 深圳市泛海三江电子有限公司 | Optical darkroom and smoke-temperature composite fire detector |
| CN204215517U (en) * | 2014-11-05 | 2015-03-18 | 中国科学技术大学先进技术研究院 | A kind of double light path fire hazard aerosol fog detection smoke-box |
| CN105192995A (en) * | 2015-09-24 | 2015-12-30 | 北京工业大学 | Intelligent insole with wireless charging function and capable of monitoring heart rate and regulating temperature |
| CN106693306A (en) * | 2016-12-25 | 2017-05-24 | 北京工业大学 | Intelligent old man health detection hand fitness ball with wireless charging function |
-
2017
- 2017-09-29 CN CN201710909660.5A patent/CN107797159B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305100A (en) * | 1999-11-01 | 2001-07-25 | 报知机株式会社 | Photoelectric smoke detector and smoke detector parts |
| CN2615781Y (en) * | 2003-05-15 | 2004-05-12 | 窦征 | Back scattering optical darkroom |
| CN102082548A (en) * | 2010-11-12 | 2011-06-01 | 成都天奥电子股份有限公司 | High-accuracy microcomputer-compensated surface-mounted temperature compensation crystal oscillator |
| CN203012900U (en) * | 2012-12-12 | 2013-06-19 | 宁波市科技园区佳柏电子有限公司 | Smoke alarm with remote control detection function |
| KR200470830Y1 (en) * | 2013-05-07 | 2014-01-16 | 재단법인 서울테크노파크 | Ceiling type sensor case having sensor intergration board |
| CN103400469A (en) * | 2013-07-31 | 2013-11-20 | 武光杰 | Smoke module |
| CN203673614U (en) * | 2013-12-26 | 2014-06-25 | 深圳市泛海三江电子有限公司 | Optical darkroom and smoke-temperature composite fire detector |
| CN204215517U (en) * | 2014-11-05 | 2015-03-18 | 中国科学技术大学先进技术研究院 | A kind of double light path fire hazard aerosol fog detection smoke-box |
| CN105192995A (en) * | 2015-09-24 | 2015-12-30 | 北京工业大学 | Intelligent insole with wireless charging function and capable of monitoring heart rate and regulating temperature |
| CN106693306A (en) * | 2016-12-25 | 2017-05-24 | 北京工业大学 | Intelligent old man health detection hand fitness ball with wireless charging function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541543A (en) * | 2019-01-09 | 2019-03-29 | 深圳市民明科技有限公司 | A kind of fire-fighting Field Force positioning system, localization method and detection positioning device |
| US20240183694A1 (en) * | 2021-05-14 | 2024-06-06 | SimpliSafe, Inc. | Smoke detector housing and surface mount |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107797159B (en) | 2020-10-02 |
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Address after: 518000 East and fourth floors, building A1, xinjianxing science and Technology Industrial Park, Fengxin Road, Loucun, Gongming street, Guangming District, Shenzhen City, Guangdong Province Applicant after: TANDA Technology Co., Ltd. Address before: 518000 Guangdong province Shenzhen Guangming New District Gongming Street Village Feng Xin Lu Xinjian Xing Technology Industrial Park A1 Building 1 floor, 3 floor, 4 East Building, 5 floor Applicant before: TANDA Technology Co., Ltd. |
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