CN202275475U - Complete-view infrared flame detector - Google Patents
Complete-view infrared flame detector Download PDFInfo
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- CN202275475U CN202275475U CN2011203329652U CN201120332965U CN202275475U CN 202275475 U CN202275475 U CN 202275475U CN 2011203329652 U CN2011203329652 U CN 2011203329652U CN 201120332965 U CN201120332965 U CN 201120332965U CN 202275475 U CN202275475 U CN 202275475U
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- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 244000249914 Hemigraphis reptans Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a complete-view infrared flame detector which is composed of a semispherical metal shell, a signal processing circuit board, a signal sensing circuit board, flame sensor windows, an explosion-proof cable clamping and sealing connector and an alarm indicating light guide column. The complete-view infrared flame detector is characterized by utilizing a semicircular sphere structure; 45-DEG inclined planes are arranged on a sphere in horizontal and vertical directions, namely the sphere is divided into four regions to be the sensor windows; one set of the signal sensing circuit board with a pyroelectric infrared flame sensor is installed on each inclined plane; the viewing angle of each pyroelectric infrared flame sensor is approximate 100 DEG and the four 45-DEG inclined planes are mutually matched, so that complete-view 360-DEG flame detection can be realized. The detector has the advantages of simple and compact structure and convenience for installation and use; a protection area of one flame detector is enlarged, the use amount of the detector for the field engineering installation is reduced, and the manual installation cost is greatly saved while the investment of equipment is saved, so that the total cost performance of an engineering is improved.
Description
Technical field
The utility model belongs to safety engineering subject moderate heat calamity detection alarm technical field, relate to a kind of be mainly used in to respond fast the full visual angle infrared flame detector that naked light such as oil fire, gas burst cause fire appears when fire takes place.
Background technology
In the infra red flame technical field of detection, the sensor major part that adopts at present is the rpyroelectric infrared flame sensor, and the field angle of rpyroelectric infrared flame sensor is all less than 100 °.Because application places makes the detection window of flame detector unconfinedly not enlarge to the requirement of flame detector explosion-proof performance, adds the restriction of the field angle of rpyroelectric infrared flame sensor own.So the field angle scope of the infrared flame detector of using at present is all less than 100 °.In practical engineering application; Keep watch on the blind area in order to reduce as far as possible; The general employing installed the mode that many flame detectors intersections are kept watch on, and this mode has not only increased number of devices, has also increased engineering design, construction and maintenance cost simultaneously; Reduce the cost performance of engineering, limited the application places of infrared flame detector.
The utility model content
The objective of the invention is to the little weak point of above-mentioned infrared flame detector angular field of view the full visual angle infrared flame detector that provides a kind of monitoring fire in visual angle easy to install and complete to take place.
For realizing the object of the invention, mainly take following solution:
A kind of full visual angle infrared flame detector, it comprises that agent structure is the semi-round ball body structure, is divided into two parts up and down; The bottom is divided into the hemisphere metal shell; In the horizontal vertical direction of this hemisphere shell the inclined-plane of 45 ° of degree is set all, it is sensor window that spheroid is divided into 4 zones, and the signal sensing circuit plate all is installed in each zone; One cover rpyroelectric infrared flame sensor also is installed on its each circuit board; The field angle of each area monitoring is at least 90 ° of degree, and each ramp structure cooperatively interacts, and can realize full visual angle 360 ° of degree flame detecting; Also be provided with the signal processing circuit board that receives each regional sensing circuit plate output flame electric signal in addition, be fixed in hemisphere metal shell internal recess place; Its top is circular detector loam cake, and loam cake is double as detector project installation firm banking simultaneously.
Said signal sensing circuit plate mainly comprises rpyroelectric infrared flame sensor, front end circuit, filtering circuit and signal amplification circuit; The micro-infrared signal that flame sends converts electric signal to through the rpyroelectric infrared flame sensor, and delivers to the input end of signal processing circuit board through front end circuit, filtering circuit and signal amplification circuit.
Described signal processing circuit board comprises channel selection circuit, cpu circuit and warning circuit; The electric signal of 4 regional signal sensing circuit plate outputs is connected to warning circuit through channel selection circuit, cpu circuit; The electric signal that this circuit board receives is after the cpu circuit analysis and judgement and to its processing of reporting to the police.
Each regional sensor window of said hemisphere metal shell is made up of optical filter and fixation kit thereof; Wherein optical filter on the outside 45 ° of inclined-planes of hemisphere metal shell, is realized the explosion-proof performance requirement through the matching and fixing of fixation kit and seal gasket.
In the hemisphere metal shell, being provided with the indication leaded light post of reporting to the police and passing the aperture on the hemisphere metal shell, can detector normally be moved indication and be delivered to hemisphere metal shell outside with AIS.
Basis is novel compared with prior art to have the following advantages:
This new structure compact, easy to install.Because agent structure adopts the semi-round ball body structure; Respectively cut out one 45 ° inclined-plane in the horizontal vertical direction of this spheroid, spheroid is divided into 4 zones, a cover rpyroelectric infrared flame sensor detector is installed on each inclined-plane; Can realize full visual angle 360 ° of degree flame detecting; Therefore increased the protection area of a flame detector, enlarged the place of installing and using of flame detector, reduced field engineering and installed and used quantity; Saved artificial erected cost when having practiced thrift equipment investment greatly, so improved engineering bulking property price ratio.
Description of drawings
Fig. 1 is this novel external form tomograph;
Fig. 2 is this new internal circuit and the indication leaded light post scheme of installation of reporting to the police;
Fig. 3 is this novel sensor window scheme of installation;
Fig. 4 is this new structure scheme of installation.
Embodiment
To combine accompanying drawing and embodiment that the utility model scheme is described in further detail below:
As shown in Figure 1: a kind of full visual angle infrared flame detector is characterized in that: it comprises that agent structure is the semi-round ball body structure, is divided into two parts up and down; The bottom is divided into hemisphere metal shell 1; In the horizontal vertical direction of this hemisphere shell the inclined-plane of 45 ° of degree is set all, it is sensor window that spheroid is divided into 4 zones, and signal sensing circuit plate 3 all is installed in each zone; One cover rpyroelectric infrared flame sensor also is installed on its each circuit board; The field angle of each area monitoring is at least 90 ° of degree, and each ramp structure cooperatively interacts, and can realize full visual angle 360 ° of degree flame detecting; Also be provided with the signal processing circuit board 2 that receives each regional sensing circuit plate output flame electric signal in addition, be fixed in hemisphere metal shell internal recess place; Its top is circular detector loam cake 8, and loam cake is double as detector project installation firm banking simultaneously.
On 4 45 ° the inclined-plane in hemisphere metal shell 1; 4 block signal sensing circuit plates 3 evenly are set; The rpyroelectric infrared flame sensor is installed, because the field angle of rpyroelectric infrared flame sensor itself can be near 100 °, so the field angle of each area monitoring is at least 90 ° on the signal sensing circuit plate 3; Four 45 ° of ramp structures cooperatively interact, and have realized full visual angle flame detecting.
Said signal sensing circuit plate 3 mainly comprises rpyroelectric infrared flame sensor, front end circuit, filtering circuit and signal amplification circuit; The micro-infrared signal that flame sends converts electric signal to through the rpyroelectric infrared flame sensor, and delivers to the input end of signal processing circuit board through front end circuit, filtering circuit and signal amplification circuit.
As shown in Figure 2: shared 5 circuit boards of this new internal wherein have 4 block signal sensing circuit plates 3 and 1 block signal treatment circuit plate 2.Its 4 block signal sensing circuit plate 3 is separately fixed on hemisphere metal shell 1 interior 45 ° of inclined-planes; The 3 main effects of signal sensing circuit plate are to convert the micro-infrared signal that flame sends to electric signal; And amplify, pre-service, export the input end of signal processing circuit board 2 to.
Described signal processing circuit board 2 comprises channel selection circuit, cpu circuit and warning circuit; The output of 4 regional signal sensing circuit plates flare up fire be connected to warning circuit through channel selection circuit, cpu circuit; This circuit board receives the flame electric signal of 4 regional signal sensing circuit plate outputs, after the cpu circuit analysis and judgement and to its processing of reporting to the police.
Signal processing circuit board 2 is fixed on hemisphere metal shell internal recess place; Signal processing circuit board 2 and signal sensing circuit plate 3 connects through the patch cord of 6 cores, converts electric signal to realize the micro-infrared signal that flame is sent, and amplify, pre-service; Export signal processing circuit board to; Signal processing circuit board 2 receives the flame electric signal of the signal sensing circuit plate output in 4 zones, according to the specific signal Processing Algorithm, judges whether the zone that detector is kept watch on has fire to take place; Take place if define fire, then control the fire alarm indicating circuit and send fire alarm signal.
The aperture that the indication leaded light post 4 of reporting to the police passes on the hemisphere metal shell 1, the interior thermoplastic of beating is fixed, and detector is normally moved indication be delivered to hemisphere metal shell outside with AIS, makes things convenient for the field staff to differentiate alerting signal.
As shown in Figure 3: this novel sensor window is made up of optical filter 5 and fixation kit 7 thereof; Become 45 ° of inclined-planes with vertical direction in level; Wherein optical filter 5 is fixed on the inclined-plane of hemisphere metal shell 1 outside 45 ° of degree through seal gasket 6 and window fixed assembly 7; The infrared signal of scene of fire is delivered on the rpyroelectric infrared flame sensor; Filter out other unnecessary optical signallings simultaneously, prevent that other light from disturbing, the sensor window sealing realizes the requirement of explosion proof of fire detector.
As shown in Figure 4: this novel semispherical body metal shell 1 adopts pipe thread to be connected with circular detector loam cake 8.To realize that the sealed inside circuit reaches the explosion-proof performance requirement, installs and fixes base as the fire detector integrated engineering simultaneously.Anti-explosion cable clamped sealed joint 9 is connected with the hemisphere metal shell 1 same pipe thread that adopts, and with clamped sealed fire detector supply line and alarm output signal circuit, makes fire detector reach the explosion-proof performance requirement.
Claims (5)
1. full visual angle infrared flame detector, it is characterized in that: it comprises that agent structure is the semi-round ball body structure, is divided into two parts up and down; The bottom is divided into hemisphere metal shell (1); In the horizontal vertical direction of this hemisphere shell the inclined-plane of 45 ° of degree is set all, it is sensor window that spheroid is divided into 4 zones, and signal sensing circuit plate (3) all is installed in each zone; One cover rpyroelectric infrared flame sensor also is installed on its each circuit board; The field angle of each area monitoring is at least 90 ° of degree, and each ramp structure cooperatively interacts, and can realize full visual angle 360 ° of degree flame detecting; Also be provided with the signal processing circuit board (2) that receives each regional sensing circuit plate output flame electric signal in addition, be fixed in hemisphere metal shell internal recess place; Its top is circular detector loam cake (8), and loam cake is double as detector project installation firm banking simultaneously.
2. full visual angle according to claim 1 infrared flame detector is characterized in that: said signal sensing circuit plate (3) mainly comprises rpyroelectric infrared flame sensor, front end circuit, filtering circuit and signal amplification circuit; The micro-infrared signal that flame sends converts electric signal to through the rpyroelectric infrared flame sensor, and delivers to the input end of signal processing circuit board through front end circuit, filtering circuit and signal amplification circuit.
3. full visual angle according to claim 1 infrared flame detector is characterized in that: described signal processing circuit board (2) comprises channel selection circuit, cpu circuit and warning circuit; The electric signal of 4 regional signal sensing circuit plate outputs is connected to warning circuit through channel selection circuit, cpu circuit; The electric signal that this circuit board receives is after the cpu circuit analysis and judgement and to its processing of reporting to the police.
4. full visual angle according to claim 1 infrared flame detector is characterized in that: each regional sensor window of hemisphere metal shell (1) is made up of optical filter (5) and fixation kit (7) thereof; Wherein optical filter (5) on the outside 45 ° of inclined-planes of hemisphere metal shell (1), is realized the explosion-proof performance requirement through the matching and fixing of fixation kit (7) and seal gasket (6).
5. full visual angle according to claim 1 infrared flame detector; It is characterized in that: in hemisphere metal shell (1), being provided with the indication leaded light post (4) of reporting to the police and passing the aperture on the hemisphere metal shell (1), can detector normally be moved indication and be delivered to hemisphere metal shell outside with AIS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203329652U CN202275475U (en) | 2011-09-06 | 2011-09-06 | Complete-view infrared flame detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203329652U CN202275475U (en) | 2011-09-06 | 2011-09-06 | Complete-view infrared flame detector |
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| CN202275475U true CN202275475U (en) | 2012-06-13 |
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| CN2011203329652U Expired - Lifetime CN202275475U (en) | 2011-09-06 | 2011-09-06 | Complete-view infrared flame detector |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101426A (en) * | 2014-07-25 | 2014-10-15 | 武汉理工光科股份有限公司 | Reflection-type panoramic view angle flame detector |
| CN104484974A (en) * | 2014-12-30 | 2015-04-01 | 安徽东升新能源科技有限公司 | Infrared fire prevention and monitoring radar |
| CN106879142A (en) * | 2017-03-09 | 2017-06-20 | 苏州欧普照明有限公司 | A kind of illumination control apparatus and system based on pyroelectric infrared sensor |
| CN107123244A (en) * | 2017-07-12 | 2017-09-01 | 北京铁路局北京科学技术研究所 | Safety monitoring device and measurement warning device |
| CN108120514A (en) * | 2017-12-22 | 2018-06-05 | 安徽龙运智能科技有限公司 | A kind of fire-smoke detection identifies integrated apparatus |
| CN108534902A (en) * | 2018-03-29 | 2018-09-14 | 上海空间电源研究所 | A kind of round-the-clock self energizing target reconnaissance device based on infrared response |
| CN110820640A (en) * | 2018-08-13 | 2020-02-21 | 崇州安多建材有限公司 | Railing with night warning function |
| CN117135893A (en) * | 2023-10-24 | 2023-11-28 | 滨州泽郦精密金属科技有限公司 | Explosion-proof flame detector shell |
-
2011
- 2011-09-06 CN CN2011203329652U patent/CN202275475U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101426A (en) * | 2014-07-25 | 2014-10-15 | 武汉理工光科股份有限公司 | Reflection-type panoramic view angle flame detector |
| CN104101426B (en) * | 2014-07-25 | 2016-02-10 | 武汉理工光科股份有限公司 | Reflective panorama visual angle flame detector |
| CN104484974A (en) * | 2014-12-30 | 2015-04-01 | 安徽东升新能源科技有限公司 | Infrared fire prevention and monitoring radar |
| CN106879142A (en) * | 2017-03-09 | 2017-06-20 | 苏州欧普照明有限公司 | A kind of illumination control apparatus and system based on pyroelectric infrared sensor |
| CN106879142B (en) * | 2017-03-09 | 2023-11-21 | 苏州欧普照明有限公司 | Illumination control device and system based on pyroelectric infrared sensor |
| CN107123244A (en) * | 2017-07-12 | 2017-09-01 | 北京铁路局北京科学技术研究所 | Safety monitoring device and measurement warning device |
| CN108120514A (en) * | 2017-12-22 | 2018-06-05 | 安徽龙运智能科技有限公司 | A kind of fire-smoke detection identifies integrated apparatus |
| CN108534902A (en) * | 2018-03-29 | 2018-09-14 | 上海空间电源研究所 | A kind of round-the-clock self energizing target reconnaissance device based on infrared response |
| CN110820640A (en) * | 2018-08-13 | 2020-02-21 | 崇州安多建材有限公司 | Railing with night warning function |
| CN117135893A (en) * | 2023-10-24 | 2023-11-28 | 滨州泽郦精密金属科技有限公司 | Explosion-proof flame detector shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214028, No. four, No. 19-1, Wuxi New District, Jiangsu Patentee after: WUXI SHENGMIN SENSING TECHNOLOGY CO., LTD. Address before: 41-401 room 214028, Xinzhou garden, New District, Jiangsu, Wuxi Patentee before: Wuxi Shengmin Sensing Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |