CN206441309U - A kind of labyrinth structure of smoke alarm with radome - Google Patents
A kind of labyrinth structure of smoke alarm with radome Download PDFInfo
- Publication number
- CN206441309U CN206441309U CN201720159291.8U CN201720159291U CN206441309U CN 206441309 U CN206441309 U CN 206441309U CN 201720159291 U CN201720159291 U CN 201720159291U CN 206441309 U CN206441309 U CN 206441309U
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- Prior art keywords
- infrared
- radome
- smoke alarm
- labyrinth structure
- tube
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- 239000000779 smoke Substances 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 208000002925 dental caries Diseases 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire Alarms (AREA)
Abstract
The utility model discloses a kind of labyrinth structure of smoke alarm with radome, including dark box cover and magazine base.Magazine base has circular bottom plate, and the inwall of bottom plate is formed with the gap having between the light insulation pad that circle arrangement is circularized, adjacent light insulation pad through smog.Light insulation pad raises up, and the top of light insulation pad forms the supporting surface of annular and is engaged with the inwall of the dark box cover.Infrared transmitting tube and infrared receiving tube are fixed between light insulation pad.The optical axis of infrared transmitting tube and the optical axis of infrared receiving tube are arranged into angle.Baffle plate is provided with the middle part of line between the light outlets of the infrared transmitting tube and the receipts optical port of infrared receiving tube.The utility model utilizes the scattering process of smog, can accurately detect fire condition, has the advantages that simple in construction, reasonable in design, detection is accurate, service life is long.
Description
Technical field
The utility model is related to a kind of fire hazard aerosol fog automatic detection alarm device, specifically a kind of smoke alarm band
The labyrinth structure of radome.
Background technology
With the increase of the fire such as Modern hotels, dining room, public place of entertainment and family, power consumption, the frequency that various fire occur
Rate more and more higher.People, to avoid the occurrence of great Loss of Life and property, are now generally equipped with order to discovery early
There is warning device.The species style of alarm is many in the prior art, mainly there is ion, photoelectricity and temperature-sensitive etc. in terms of principle function
Type, alarm catches the anomalous variation such as temperature and gas content in air using its internal highly sensitive detecting element installed and sent out
Go out alarm signal.But alarm on the market generally only have auto-alarm function, it is impossible to manual operation, and alarm by
Used in different environments in for a long time, the feelings that sensitivity declines or failed are likely to occur under the influence of by factors such as dust humidities
Condition, or because the fire of generation is that, in early stage, or the not detectable situation of other reason alarms, alarm will can not
Use.Particularly alarm is thought to test whether alarm alarms with regard to relative difficulty at any time once installing, thus if can have one kind
Alarm is the function with traditional alert device, has the function of being convenient for people to detection and artificial operation alarm again, will make report
The adaptability of alert device is more extensive, and diversified selection can be also provided for people, while also enriching the supply market of alarm.
The content of the invention
Technical problem to be solved in the utility model is to be directed to above-mentioned state of the art, and provides a kind of smog alarm
Labyrinth structure of the device with radome, using the scattering process of smog, can accurately detect fire condition, and close with design
The compact advantage of reason, simple in construction, moulding.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of smoke alarm is with radome
Labyrinth structure, including dark box cover and magazine base.Magazine base has circular bottom plate, and the inwall of bottom plate is formed with circle arrangement
There is the gap through smog between the light insulation pad circularized, adjacent light insulation pad.Light insulation pad raises up, the top shape of light insulation pad
The supporting surface that circularizes simultaneously is engaged with the inwall of the dark box cover.Infrared transmitting tube is fixed between light insulation pad and infrared is connect
Closed tube.The optical axis of infrared transmitting tube and the optical axis of infrared receiving tube are arranged into angle.In the luminous of the infrared transmitting tube
Baffle plate is provided with the middle part of line between mouth and the receipts optical port of infrared receiving tube.
For optimization above-mentioned technical proposal, the utility model also includes following improved technical scheme.
The outer cover of above-mentioned infrared receiving tube is provided with reception pipe radome；Reception pipe radome has the shielding connection of ground connection
Pin.
Infrared receiver pipe mounting seat is formed with the circumference of above-mentioned bottom plate；Infrared receiver pipe mounting seat is formed with the first of strip
Cavity；One end of first cavity is formed with the supporter for fixed reception tube shield cover, and infrared provided with installing in bottom
First jack of reception pipe connecting pin and the second jack for installing shielding connecting pin；The other end of first cavity is formed with
Unthreaded hole.
Infrared emission pipe mounting seat is formed with the circumference of above-mentioned bottom plate；Infrared emission pipe mounting seat is formed with the second of strip
Cavity；One end of second cavity is formed with the 3rd jack for installing infrared transmitting tube connecting pin, and the other end is formed with and passed through light
The tubaeform light outlets of line, the outer end of the tubaeform light outlets has connected beam optical port.
Above-mentioned baffle plate has the first plate body and the second plate body for being arranged in Y shape, the first plate body, the second plate body and the bottom
Plate is integrally connected；First plate body is vertical with the optical axis of infrared transmitting tube, and the second plate body is vertical with the optical axis of infrared receiving tube.
Above-mentioned light insulation pad has the wing portion of forming V-shape, and is caught in adjacent light insulation pad to stop the convex of gap transmitted light
Go out portion.
Above-mentioned dark box cover has circular cover plate, and the periphery of the cover plate is formed with three buckles, infrared receiving tube peace
Dress seat and infrared emission pipe mounting seat are formed respectively with one and the corresponding inclined-plane card body being clasped, in the periphery system of the bottom plate
There are one and the bayonet socket being clasped.
Above-mentioned infrared receiving tube is sphere reception pipe, and the reception pipe radome is packaged in the periphery of sphere reception pipe.
Above-mentioned infrared transmitting tube is sphere emission pipe, and sphere emission pipe clamp is located at the inner of tubaeform light outlets.
Above-mentioned infrared receiving tube connecting pin is connected with the signal amplification circuit of 200 to 400 times of amplified signal.
Compared with prior art, labyrinth structure of a kind of smoke alarm with radome of the present utility model, utilizes smog
Scattering process, can accurately detect fire condition.Using circular dark box cover and magazine base, with preferable smog
Directionality and uniformity.Infrared transmitting tube is blocked with infrared receiving tube by baffle plate, and when there is smog, infrared receiving tube can connect
By the optical signal scattered, and amplified by amplifying circuit to judge whether to occur fire, with it is simple in construction, reasonable in design,
Detection is accurate, the advantage of service life length.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model embodiment.
Fig. 2 is Fig. 1 assembling exploded view.
Fig. 3 is the structural representation of magazine base.
Fig. 4 is Fig. 1 the first diagrammatic cross-section.
Fig. 5 is Fig. 1 the second diagrammatic cross-section.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 to Fig. 5 show structural representation of the present utility model.
Reference therein is：Dark box cover 1, cover plate 1a, buckle 11, magazine base 2, bottom plate 21, bayonet socket 21a, every
Tabula rasa 22, wing portion 22a, protuberance 22b, gap 23, infrared receiver pipe mounting seat 24, supporter 25, loophole 26, infrared emission
Pipe mounting seat 27, tubaeform light outlets 27a, beam optical port 27b, the 3rd jack 28, infrared transmitting tube 3, infrared transmitting tube connecting pin
31st, infrared receiving tube 4, infrared receiving tube connecting pin 41, baffle plate 5, the first plate body 51, the second plate body 52, reception pipe radome 6,
Shield connecting pin 61, inclined-plane card body 7.
Labyrinth structure of a kind of smoke alarm with radome of the present utility model, including dark box cover 1 and magazine base
2, magazine base 2 has circular bottom plate 21, and the inwall of bottom plate 21 is formed with the light insulation pad 22 that circle arrangement is circularized, adjacent every light
There is the gap 23 through smog between plate 22.Light insulation pad 22 is raised up, and the supporting surface of annular is formed on the top of light insulation pad 22
And be engaged with the inwall of dark box cover 1.Infrared transmitting tube 3 and infrared receiving tube 4 are fixed between light insulation pad 22.Infrared emission
The optical axis of pipe 3 are arranged with the optical axis of infrared receiving tube 4 into angle.In the light outlets and infrared receiving tube 4 of infrared transmitting tube 3
Receipts optical port between line in the middle part of be provided with baffle plate 5.
What light insulation pad 22 made dark box cover 1 and magazine base 2 is internally formed darkroom, and extraneous light cannot be introduced into, and can keep away
Exempt to cause interference.The gap 23 between adjacent light insulation pad 22 can make smog enter darkroom simultaneously, so as to detect whether fire is sent out
It is raw.Dark box cover 1 and magazine base 2 distinguish rounded, and the directionality and comparison of coherence of test smog are good.
The outer cover of infrared receiving tube 4 is provided with reception pipe radome 6.Reception pipe radome 6 has the shielding connection of ground connection
Pin 61.Reception pipe radome 6 can prevent the inside and outside electromagnetic interference of electronic circuit board, the amplified signal for obtaining product
It is more stable reliable, it will not produce due to false alarm caused by electromagnetic interference.
Infrared receiver pipe mounting seat 24 is formed with the circumference of bottom plate 21.Infrared receiver pipe mounting seat 24 is formed with the of strip
One cavity.One end of first cavity is formed with the supporter 25 for fixed reception tube shield cover 6, and infrared provided with installing in bottom
First jack of reception pipe connecting pin 41 and the second jack for installing shielding connecting pin 61.The other end of first cavity is formed with
Unthreaded hole 26.
Infrared emission pipe mounting seat 27 is formed with the circumference of bottom plate 21.Infrared emission pipe mounting seat 27 is formed with the of strip
Two cavitys.One end of second cavity is formed with the 3rd jack 28 for installing infrared transmitting tube connecting pin 31, and the other end is formed with and passed through
The tubaeform light outlets 27a of light, tubaeform light outlets 27a outer end have connected beam optical port 27b.
Baffle plate 5 has the first plate body 51 and the second plate body 52 for being arranged in Y shape, the first plate body 51, the second plate body 52 and bottom
The one of plate 21 is connected.First plate body 51 is vertical with the optical axis of infrared transmitting tube 3, the light of the second plate body 52 and infrared receiving tube 4
Axis is vertical.
Light insulation pad 22 has the wing portion 22a of forming V-shape, and is caught in adjacent light insulation pad 22 to stop the transmitted light of gap 23
Protuberance 22b.
Dark box cover 1 has circular cover plate 1a, and cover plate 1a periphery is formed with three buckles 11, infrared receiver pipe mounting seat
24 and infrared emission pipe mounting seat 27 be formed respectively with the inclined-plane card body 7 that one and corresponding buckle 11 coordinate, in the periphery of bottom plate 21
It is formed with a bayonet socket 21a coordinated with buckle 11.
Infrared receiving tube 4 is sphere reception pipe, and the infrared light effect of reception is good, improves the sensitivity of product.Receive tube panel
Cover the periphery that cover 6 is packaged in sphere reception pipe.
Infrared transmitting tube 3 is sphere emission pipe, and sphere emission pipe clamp is located at tubaeform light outlets 27a the inner.
Infrared receiving tube connecting pin 41 is connected with the signal amplification circuit of 200 to 400 times of amplified signal.Installed in magazine bottom
Infrared transmitting tube 3 and infrared receiving tube 4 in seat 2, due to blocking for baffle plate 5, infrared receiving tube 4 almost connects under smokeless environment
It can not receive signal.
When fire occurs, have smog and enter labyrinth, the scattering process due to smog to light makes infrared receiving tube 4
A weaker signal is received, amplifying circuit carries out 200 to 400 times of amplification to the signal, after triggers circuit is to amplification
Signal carries out threshold value differentiation, if reaching alarm threshold, and warning message is transmitted into controller by circuit, alarm is realized.
Most preferred embodiment of the present utility model has been illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from scope of the present utility model.
Claims (10)
1. a kind of labyrinth structure of smoke alarm with radome, including dark box cover (1) and magazine base (2), it is characterized in that：
Described magazine base (2) has a circular bottom plate (21), the inwall of the bottom plate (21) be formed with that circle arrangement circularizes every
There is the gap (23) through smog between tabula rasa (22), adjacent light insulation pad (22)；Described light insulation pad (22) raises up, every
The top of tabula rasa (22) forms the supporting surface of annular and is engaged with the inwall of the dark box cover (1)；Described light insulation pad
(22) infrared transmitting tube (3) and infrared receiving tube (4) are fixed between；The optical axis of the infrared transmitting tube (3) connect with infrared
The optical axis of closed tube (4) are arranged into angle；In the light outlets and the receipts optical port of infrared receiving tube (4) of the infrared transmitting tube (3)
Between line in the middle part of be provided with baffle plate (5).
2. labyrinth structure of a kind of smoke alarm with radome according to claim 1, it is characterized in that：It is described infrared to connect
The outer cover of closed tube (4) is provided with reception pipe radome (6)；Described reception pipe radome (6) has the shielding connecting pin of ground connection
(61)。
3. labyrinth structure of a kind of smoke alarm with radome according to claim 2, it is characterized in that：The bottom plate
(21) infrared receiver pipe mounting seat (24) is formed with circumference；Described infrared receiver pipe mounting seat (24) is formed with the of strip
One cavity；One end of first cavity is formed with the supporter (25) for fixed reception tube shield cover (6), and is provided with bottom
First jack of infrared receiving tube connecting pin (41) is installed and the second jack of shielding connecting pin (61) is installed；Described first is empty
The other end of chamber is formed with loophole (26).
4. labyrinth structure of a kind of smoke alarm with radome according to claim 3, it is characterized in that：The bottom plate
(21) infrared emission pipe mounting seat (27) is formed with circumference；Described infrared emission pipe mounting seat (27) is formed with the of strip
Two cavitys；One end of second cavity is formed with the 3rd jack (28) for installing infrared transmitting tube connecting pin (31), other end system
There are the tubaeform light outlets (27a) with transmitted light, the outer end of the tubaeform light outlets (27a) has connected beam optical port
(27b)。
5. labyrinth structure of a kind of smoke alarm with radome according to claim 4, it is characterized in that：Described baffle plate
(5) have and be arranged in the first plate body (51) and the second plate body (52) of Y shape, described the first plate body (51), the second plate body (52)
Integrally it is connected with the bottom plate (21)；Described the first plate body (51) is vertical with the optical axis of infrared transmitting tube (3), and described
Two plate bodys (52) are vertical with the optical axis of infrared receiving tube (4).
6. labyrinth structure of a kind of smoke alarm with radome according to claim 5, it is characterized in that：It is described every light
Plate (22) has the wing portion (22a) of forming V-shape, and is caught in adjacent light insulation pad (22) to stop the protrusion of gap (23) transmitted light
Portion (22b).
7. labyrinth structure of a kind of smoke alarm with radome according to claim 6, it is characterized in that：Described magazine
Upper lid (1) has circular cover plate (1a), and the periphery of the cover plate (1a) is formed with three buckles (11), described infrared receiving tube
Mounting seat (24) and infrared emission pipe mounting seat (27) are formed respectively with an inclined-plane card body (7) coordinated with corresponding buckle (11),
A bayonet socket (21a) coordinated with buckle (11) is formed with the periphery of the bottom plate (21).
8. labyrinth structure of a kind of smoke alarm with radome according to claim 7, it is characterized in that：Described is infrared
Reception pipe (4) is sphere reception pipe, and the reception pipe radome (6) is packaged in the periphery of sphere reception pipe.
9. labyrinth structure of a kind of smoke alarm with radome according to claim 8, it is characterized in that：Described is infrared
Transmitting tube (3) is sphere emission pipe, and described sphere emission pipe clamp is located at tubaeform light outlets (27a) the inner.
10. labyrinth structure of a kind of smoke alarm with radome according to claim 9, it is characterized in that：Described is red
Outer reception pipe connecting pin (41) is connected with the signal amplification circuit of 200 to 400 times of amplified signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159291.8U CN206441309U (en) | 2017-02-22 | 2017-02-22 | A kind of labyrinth structure of smoke alarm with radome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159291.8U CN206441309U (en) | 2017-02-22 | 2017-02-22 | A kind of labyrinth structure of smoke alarm with radome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441309U true CN206441309U (en) | 2017-08-25 |
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ID=59634612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720159291.8U Active CN206441309U (en) | 2017-02-22 | 2017-02-22 | A kind of labyrinth structure of smoke alarm with radome |
Country Status (1)
| Country | Link |
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| CN (1) | CN206441309U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285314A (en) * | 2018-11-22 | 2019-01-29 | 常州机电职业技术学院 | Smoke alarm with smoke discharging and dust removing functions |
| CN111179540A (en) * | 2020-01-20 | 2020-05-19 | 上海中环科仪消防报警设备有限公司 | Three-wavelength photoelectric smoke detection method and sensor |
| TWI695350B (en) * | 2017-12-15 | 2020-06-01 | 美商美國亞德諾半導體公司 | Apparatus and method for detecting smoke within compact footprint detector |
| CN111613007A (en) * | 2020-06-17 | 2020-09-01 | 蚌埠依爱消防电子有限责任公司 | A horizontal smoke detector maze with height difference |
| US10809173B2 (en) | 2017-12-15 | 2020-10-20 | Analog Devices, Inc. | Smoke detector chamber boundary surfaces |
| US10921367B2 (en) | 2019-03-06 | 2021-02-16 | Analog Devices, Inc. | Stable measurement of sensors methods and systems |
| TWI722368B (en) * | 2018-01-17 | 2021-03-21 | 日商松下知識產權經營股份有限公司 | Smoke detector |
| TWI725400B (en) * | 2018-03-22 | 2021-04-21 | 日商松下知識產權經營股份有限公司 | Smoke detector |
| USD918756S1 (en) | 2018-11-06 | 2021-05-11 | Analog Devices, Inc. | Smoke detector boundary |
| USD920825S1 (en) | 2018-11-06 | 2021-06-01 | Analog Devices, Inc. | Smoke detector chamber |
| US11322006B2 (en) | 2018-11-20 | 2022-05-03 | Carrier Corporation | Smoke detector |
| US11788942B2 (en) | 2017-12-15 | 2023-10-17 | Analog Devices, Inc. | Compact optical smoke detector system and apparatus |
| US11796445B2 (en) | 2019-05-15 | 2023-10-24 | Analog Devices, Inc. | Optical improvements to compact smoke detectors, systems and apparatus |
| WO2024098536A1 (en) * | 2022-11-08 | 2024-05-16 | 赛特威尔电子股份有限公司 | Alarm with obstacle detection function |
| US12211370B2 (en) | 2018-12-02 | 2025-01-28 | Analog Devices, Inc. | Fire detection system |
-
2017
- 2017-02-22 CN CN201720159291.8U patent/CN206441309U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11788942B2 (en) | 2017-12-15 | 2023-10-17 | Analog Devices, Inc. | Compact optical smoke detector system and apparatus |
| TWI695350B (en) * | 2017-12-15 | 2020-06-01 | 美商美國亞德諾半導體公司 | Apparatus and method for detecting smoke within compact footprint detector |
| US10809173B2 (en) | 2017-12-15 | 2020-10-20 | Analog Devices, Inc. | Smoke detector chamber boundary surfaces |
| TWI722368B (en) * | 2018-01-17 | 2021-03-21 | 日商松下知識產權經營股份有限公司 | Smoke detector |
| TWI725400B (en) * | 2018-03-22 | 2021-04-21 | 日商松下知識產權經營股份有限公司 | Smoke detector |
| USD920825S1 (en) | 2018-11-06 | 2021-06-01 | Analog Devices, Inc. | Smoke detector chamber |
| USD918756S1 (en) | 2018-11-06 | 2021-05-11 | Analog Devices, Inc. | Smoke detector boundary |
| US11322006B2 (en) | 2018-11-20 | 2022-05-03 | Carrier Corporation | Smoke detector |
| CN109285314A (en) * | 2018-11-22 | 2019-01-29 | 常州机电职业技术学院 | Smoke alarm with smoke discharging and dust removing functions |
| US12211370B2 (en) | 2018-12-02 | 2025-01-28 | Analog Devices, Inc. | Fire detection system |
| US10921367B2 (en) | 2019-03-06 | 2021-02-16 | Analog Devices, Inc. | Stable measurement of sensors methods and systems |
| US11796445B2 (en) | 2019-05-15 | 2023-10-24 | Analog Devices, Inc. | Optical improvements to compact smoke detectors, systems and apparatus |
| CN111179540A (en) * | 2020-01-20 | 2020-05-19 | 上海中环科仪消防报警设备有限公司 | Three-wavelength photoelectric smoke detection method and sensor |
| CN111613007A (en) * | 2020-06-17 | 2020-09-01 | 蚌埠依爱消防电子有限责任公司 | A horizontal smoke detector maze with height difference |
| WO2024098536A1 (en) * | 2022-11-08 | 2024-05-16 | 赛特威尔电子股份有限公司 | Alarm with obstacle detection function |
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Address after: No. 315 Nanyuan Economic Development Zone, Yufeng City, Zhejiang Province Patentee after: Ningbo Kaidun Electronic Industry Co.,Ltd. Country or region after: China Address before: No. 315 Nanyuan Economic Development Zone, Yufeng City, Zhejiang Province Patentee before: Ningbo Kingdun Electronic Industry Co.,Ltd. Country or region before: China |