CN104048750A - Flame detection device - Google Patents

Flame detection device Download PDF

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Publication number
CN104048750A
CN104048750A CN201410304110.7A CN201410304110A CN104048750A CN 104048750 A CN104048750 A CN 104048750A CN 201410304110 A CN201410304110 A CN 201410304110A CN 104048750 A CN104048750 A CN 104048750A
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CN
China
Prior art keywords
detection device
flame detection
detector body
airduct
airducts
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Granted
Application number
CN201410304110.7A
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Chinese (zh)
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CN104048750B (en
Inventor
余盛明
黄成国
汪小婷
杨德志
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Sichuan Tianwei Electronic Co Ltd
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Sichuan Tianwei Electronic Co Ltd
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Priority to CN201410304110.7A priority Critical patent/CN104048750B/en
Publication of CN104048750A publication Critical patent/CN104048750A/en
Application granted granted Critical
Publication of CN104048750B publication Critical patent/CN104048750B/en
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Abstract

The invention discloses a flame detection device. The flame detection device comprises a detector body, a cooling part and a fixing part. The detector body comprises a shell. The cooling part comprises two air pipes connected in series and an adjusting part, the adjusting part comprises a banding cylinder and two hoops arranged on the banding cylinder in a sleeved mode, a through hole penetrating through the two ends of the banding cylinder is formed in the banding cylinder, and an air inlet is further formed in any position of each air pipe. The fixing part comprises an installing plate, a rolling ball and a ball seat, and a spherical cavity is formed in the ball seat. An air outlet is further formed in the shell of the detector body. The flame detection device is simple in structure; the detector body has good angle and spacing adjustment performance relative to a monitoring point, so that the angle and spacing adjustment in the installing and using process of the flame detection device can be facilitated; meanwhile, the structure of the flame detection device is favorable for guaranteeing the long-term sensitivity and the excellent cooling effect of the flame detection device.

Description

A kind of flame detection device
Technical field
The present invention relates to a kind ofly for supervising the safety monitoring device of flame situation, particularly relate to a kind of flame detection device.
Background technology
Chemical plant, refinery, transformer station, industrial stores or even the common place such as the diesel generator room as Emergency Power, people's living environment at present; all there is gaseous state or solid-state combustible; no matter be numerous industrial control equipments; or complicated living environment; if these occasions are strictly monitored fire, will provide safely great protection for safeguarding of assets and people's life.
Flame detector claims again photosensitizing type fire detector, it is the light characteristic for responding fire, survey a kind of fire detector of the intensity of illumination of flame combustion and the flicker frequency of flame, prior art Flame sniffer is generally to encapsulate infrared eye in aluminium matter or plastic casing, flame detector is generally arranged on the place that easily has fire to occur, it has less scanning angle and distance, and the accuracy of detection of flame detector is subject to the distance relation of angle of itself and monitoring position larger.The installation of prior art Flame detector is generally the position of first determining front end sensing part, determine again the point of fixity of flame detector, but in installation or use procedure, in the fixed error of point of fixity and use procedure, the position of point of fixity changes, all can have influence on the accuracy of detection of flame detector, be unfavorable for the detection performance that ensures that flame detector is stable.
Summary of the invention
For in above-mentioned prior art install or use procedure in, in the fixed error of point of fixity and use procedure, the position of point of fixity changes, all can have influence on the accuracy of detection of flame detector, be unfavorable for the detection performance issue that ensures that flame detector is stable, the invention provides a kind of flame detection device.
For addressing the above problem, a kind of flame detection device provided by the invention solves problem by following technical essential: a kind of flame detection device, comprise detector body, cooling portion and fixed part, described detector body comprises shell, described shell is tubular structure, and the two ends of cooling portion are connected on the openend and fixed part of detector body shell;
Described cooling portion comprises two airducts of series connection and for adjusting the adjustment part of cooling minister degree, described adjustment part comprises hooping tube and is set in two anchor ears on hooping tube, on hooping tube, be provided with the through hole that runs through its two ends, one end of two airducts is stretched in hooping tube by the difference end of through hole respectively, and two airducts are fixedly connected with hooping tube by an anchor ear respectively, and the optional position on airduct is also provided with air intake vent;
Described fixed part comprises installing plate, roller ball and ball seat, on described ball seat, be provided with spherical cavity, ball seat becomes bolt to be connected or is threaded with installing plate, roller ball is positioned at described cavity, wherein the free end of an airduct is fixedly connected with the openend of detector body shell, the free end of another pipe that follows the wind is fixedly connected on roller ball, and roller ball is limited between ball seat and installing plate;
On the shell of described detector body, be also provided with air outlet.
Concrete, the detector body of setting is for the monitoring of flame, and the cooling portion of setting is cooling for the purging of detector body, and to make the present invention be applicable to hot environment, the cooling portion simultaneously arranging and fixed part are also for the support of detector body.During the structure of fixed part arranges, installing plate is fixed for installation of the present invention, roller ball can rotate after absent-mindedness ball seat in cavity, like this, even in the larger fixed error of installing plate and use procedure, the position of point of fixity changes, appointing so can be by rotating the operation setting detector body of roller ball with respect to the angle of sensing point; The structural design of cooling portion upcast ventilation pipe sectional type can two the annexation of airduct and hooping tube, can make changing two airducts respectively with respect to the change of the built-in length of hooping tube, change series connection rear two airducts overall length, with reach change detector body with respect to monitoring point apart from change technique effect; In the present invention, cooling air is entered into the shell of cooling portion and detector body by air intake vent, like this, cooling air does not contact with the gas of installation environment of the present invention, outside with respect to available technology adopting purges the type of cooling, can prevent the material suspending around flame detector to purge to detector body and produce enrichment, the present invention can avoid sensitivity and thermal resistance that above-mentioned enrichment brings to become large like this, like this, be conducive to extend maintenance period of the present invention, ensure sensitivity that the present invention is long-term and the cooling-down effect to excellence of the present invention.
Further technical scheme is:
For making cooling portion in the present invention have longer length adjustment scope, the airduct at described hooping tube two ends is round tube, and the diameter reducing of two airducts, and the duct sleeve that diameter is larger is located on the airduct that diameter is less.Meanwhile, in two airducts, the contact in outside also helps the rigidity of cooling portion, is beneficial to its supporting capacity to detector body.
For making two airducts there is compact matching relationship, be beneficial to and ensure the position of detector body with respect to monitoring point, be beneficial to detection effect of the present invention, the spacing between two airducts of cooling portion is not more than 0.3mm.
For preventing forming cooling air dead angle on the shell of detector body, the quantity of described air outlet is multiple.
Because flame detector is generally arranged on device interior or the extraneous place that affects for artificial factor of being difficult for, this just makes the angle of detector body and position adjust inconvenience, for make to utilize the instruments such as spanner to realize easily the angular setting of detector body after absent-mindedness ball seat, near being also provided with the detent of rotating for braking this airduct on the airduct of fixed part, in described detent, be provided with the plane that at least one pair of is parallel to each other.
For ease of the distortion of hooping tube, realize the clamping of the compressive stress of hooping tube by anchor ear to airduct, the two ends of described hooping tube be also respectively arranged with at least one run through separately in the groove in outside, two airducts are all arranged with at least one O-ring seal respectively with on the link of hooping tube.The O-ring seal arranging is for the sealing at the tie point place of hooping tube and airduct, to reduce the leakage current of cooling air.
For ease of the fixing and banding of described anchor ear, on described hooping tube, be also provided with four annular protrusions, described annular protrusion lays respectively at two anchor ear both sides.
The present invention has following beneficial effect:
1, during the structure of fixed part arranges, installing plate is fixed for installation of the present invention, roller ball can rotate after absent-mindedness ball seat in cavity, like this, even in the larger fixed error of installing plate and use procedure, the position of point of fixity changes, appointing so can be by rotating the operation setting detector body of roller ball with respect to the angle of sensing point, more than be arranged so that detector body of the present invention has good angular setting performance with respect to monitoring point, can facilitate installation of the present invention and angular setting in use.
2, the structural design of cooling portion upcast ventilation pipe sectional type can two the annexation of airduct and hooping tube, can make changing two airducts respectively with respect to the change of the built-in length of hooping tube, change the overall length of rear two airducts of series connection, with reach change detector body with respect to monitoring point apart from change technique effect, more than be arranged so that detector body of the present invention has good distance with respect to monitoring point and adjusts performance, can facilitate installation of the present invention and distance adjustment in use.
3, in the present invention, cooling air is entered into the shell of cooling portion and detector body by air intake vent, like this, cooling air does not contact with the gas of installation environment of the present invention, outside with respect to available technology adopting purges the type of cooling, can prevent the material suspending around flame detector to purge to detector body and produce enrichment, the present invention can avoid sensitivity and thermal resistance that above-mentioned enrichment brings to become large like this, like this, be conducive to extend maintenance period of the present invention, ensure sensitivity that the present invention is long-term and the cooling-down effect to excellence of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of a specific embodiment of a kind of flame detection device of the present invention.
Figure acceptance of the bid note is respectively: 1, detector body, 2, air outlet, 3, hooping tube, 4, air intake vent, 5, roller ball, 6, ball seat, 7, installing plate, 8, airduct, 81, detent, 9, anchor ear, 10, annular protrusion.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As Fig. 1, a kind of flame detection device, comprises detector body 1, cooling portion and fixed part, and described detector body 1 comprises shell, and described shell is tubular structure, and the two ends of cooling portion are connected on the openend and fixed part of detector body 1 shell;
Described cooling portion comprises two airducts 8 of series connection and for adjusting the adjustment part of cooling minister degree, described adjustment part comprises hooping tube 3 and is set in two anchor ears 9 on hooping tube 3, on hooping tube 3, be provided with the through hole that runs through its two ends, one end of two airducts 8 is stretched in hooping tube 3 by the difference end of through hole respectively, and two airducts 8 are fixedly connected with hooping tube 3 by an anchor ear 9 respectively, and the optional position on airduct 8 is also provided with air intake vent 4;
Described fixed part comprises installing plate 7, roller ball 5 and ball seat 6, on described ball seat 6, be provided with spherical cavity, 7 one-tenth bolts of ball seat 6 and installing plate are connected or are threaded, roller ball 5 is positioned at described cavity, wherein the free end of an airduct 8 is fixedly connected with the openend of detector body 1 shell, another free end that follows the wind pipe 8 is fixedly connected on roller ball 5, and roller ball 5 is limited between ball seat 6 and installing plate 7;
On the shell of described detector body 1, be also provided with air outlet 2.
In the present embodiment, the roller ball 5 of setting and the material of ball seat 6 all adopt stainless steel, to prevent that roller ball 5 and ball seat 6 from use producing rusty stain and affecting the dirigibility that roller ball 5 rolls in ball seat 6; The airduct 8 arranging adopts zinc-plated pipe, to save use cost of the present invention; On the inlet end of the air intake vent 4 arranging, be connected with flexible pipe and filtrator, the filtrator arranging is for eliminating the impurity of cooling air, the flexible pipe arranging is for offsetting airduct or the thermal deformation of the present invention under thermal stress for being connected with air intake vent 4, to ensure the angle and distance of detector body 1 with respect to sensing point.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, for making cooling portion in the present invention there is longer length adjustment scope, the airduct 8 at described hooping tube 3 two ends is round tube, and the diameter reducing of two airducts 8, the airduct 8 that diameter is larger is set on the airduct 8 that diameter is less.Meanwhile, the contact in two airduct 8 interior outsides also helps the rigidity of cooling portion, is beneficial to its supporting capacity to detector body 1.
For making two airducts 8 there is compact matching relationship, be beneficial to and ensure the position of detector body 1 with respect to monitoring point, be beneficial to detection effect of the present invention, the spacing between two airducts 8 of cooling portion is not more than 0.3mm.
In the present embodiment, for ease of choosing of airduct 8, the specification of airduct 8 is chosen from the pipe of standard nominal diameter, and as supporting the use of DN40 and DN32 airduct, the guarantee of above spacing size can be by addition simple realization of the form of spot welding crator on the airduct outer wall of DN32.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, and as Fig. 1, for preventing forming cooling air dead angle on the shell of detector body 1, the quantity of described air outlet 2 is multiple.Be, on the shell of detector body 1, multiple air outlets 2 are set, make each position in shell all have mobile cooling air, further, requiring to force cooling strong place, more intensive air outlet 2 or the larger air outlet 2 of outlet can be set on shell.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, because flame detector is generally arranged on device interior or the extraneous place that affects for artificial factor of being difficult for, this just makes the angle of detector body 1 and position adjust inconvenience, for making in the rear angular setting of utilizing the instruments such as spanner to realize easily detector body 1 of absent-mindedness ball seat 6, also be provided with the detent 81 of rotating for braking this airduct 8 near on the airduct 8 of fixed part, in described detent 81, be provided with the plane that at least one pair of is parallel to each other.The described plane being parallel to each other establishes for the card of the instruments such as spanner.
Embodiment 5:
The present embodiment is further qualified on the basis of above embodiment, as Fig. 1, for ease of the distortion of hooping tube 3, realize the clamping of hooping tube 3 compressive stress by anchor ear 9 to airduct 8, the two ends of described hooping tube 3 be also respectively arranged with at least one run through separately in the groove in outside, two airducts 8 are all arranged with at least one O-ring seal respectively with on the link of hooping tube 3.The O-ring seal arranging is the sealing with the tie point place of airduct 8 for hooping tube 3, to reduce the leakage current of cooling air.As preferred version, described O-ring seal adopts backbone sealing ring.
For ease of the fixing and banding of described anchor ear 9, on described hooping tube 3, be also provided with four annular protrusions 10, described annular protrusion 10 lays respectively at two anchor ear 9 both sides.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments that draw under technical scheme of the present invention, all should be included in protection scope of the present invention.

Claims (7)

1. a flame detection device, comprise detector body (1), cooling portion and fixed part, it is characterized in that, described detector body (1) comprises shell, described shell is tubular structure, and the two ends of cooling portion are connected on the openend and fixed part of detector body (1) shell;
Described cooling portion comprises two airducts (8) of series connection and for adjusting the adjustment part of cooling minister degree, described adjustment part comprises hooping tube (3) and is set in two anchor ears (9) on hooping tube (3), hooping tube is provided with the through hole that runs through its two ends on (3), one end of two airducts (8) is stretched in hooping tube (3) by the difference end of through hole respectively, and two airducts (8) are fixedly connected with hooping tube (3) by an anchor ear (9) respectively, and the optional position on airduct (8) is also provided with air intake vent (4);
Described fixed part comprises installing plate (7), roller ball (5) and ball seat (6), described ball seat is provided with spherical cavity on (6), ball seat (6) becomes bolt be connected or be threaded with installing plate (7), roller ball (5) is positioned at described cavity, wherein the free end of an airduct (8) is fixedly connected with the openend of detector body (1) shell, it is upper that another free end that follows the wind pipe (8) is fixedly connected on roller ball (5), and roller ball (5) is limited between ball seat (6) and installing plate (7);
On the shell of described detector body (1), be also provided with air outlet (2).
2. a kind of flame detection device according to claim 1, it is characterized in that, the airduct (8) at described hooping tube (3) two ends is round tube, and the diameter reducing of two airducts (8), and the airduct (8) that diameter is larger is set on the airduct that diameter is less (8).
3. a kind of flame detection device according to claim 2, is characterized in that, the spacing between two airducts (8) is not more than 0.3mm.
4. a kind of flame detection device according to claim 1, is characterized in that, the quantity of described air outlet (2) is multiple.
5. a kind of flame detection device according to claim 1, it is characterized in that, near being also provided with the detent (81) of rotating for braking this airduct (8) on the airduct (8) of fixed part, described detent is provided with the plane that at least one pair of is parallel to each other on (81).
6. according to a kind of flame detection device described in any one in claim 1 to 5, it is characterized in that, the two ends of described hooping tube (3) be also respectively arranged with at least one run through separately in the groove in outside, two airducts (8) are all arranged with at least one O-ring seal respectively with on the link of hooping tube (3).
7. according to a kind of flame detection device described in any one in claim 1 to 5, it is characterized in that, on described hooping tube (3), be also provided with four annular protrusions (10), described annular protrusion (10) lays respectively at two anchor ears (9) both sides.
CN201410304110.7A 2014-06-30 2014-06-30 A kind of flame detection device Active CN104048750B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105509786A (en) * 2015-12-10 2016-04-20 无锡拓能自动化科技有限公司 Flame detector provided with cooling portion
CN105547351A (en) * 2015-12-10 2016-05-04 无锡拓能自动化科技有限公司 Burning loss prevention flame detector facilitating angle adjustment
CN105651390A (en) * 2015-12-25 2016-06-08 无锡信大气象传感网科技有限公司 Flame detector installation system

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US6490868B1 (en) * 2000-08-17 2002-12-10 Siemens Westinghouse Power Corporation Adjustable mounting device for aligning optical sensor in gas turbine engine combustor
CN2697624Y (en) * 2004-01-30 2005-05-04 西安交通大学 Penetrating type flame temp sensor
CN2872366Y (en) * 2005-11-04 2007-02-21 江苏省电力公司无锡供电公司 Height-adjustable meter recorder
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WO2011079422A1 (en) * 2009-12-30 2011-07-07 北京航天万源煤化工工程技术有限公司 Flame detecting device
CN202253733U (en) * 2011-08-24 2012-05-30 上海宝钢化工有限公司 Flame detecting connector with self-cleaning function
CN102706445A (en) * 2012-04-25 2012-10-03 徐州能达燃烧控制工程有限公司 Flame detection probe capable of adjusting visual field
CN203011554U (en) * 2012-12-12 2013-06-19 陈连伟 Telescopic temperature-measuring pipe
CN203364162U (en) * 2013-06-21 2013-12-25 黑龙江省中能控制工程有限公司 Lightpipe type flame detector probe
CN203364980U (en) * 2013-06-21 2013-12-25 黑龙江省中能控制工程有限公司 Flame detection probe capable of adjusting monitoring position online
CN103868599A (en) * 2014-02-22 2014-06-18 袁国炳 Installing device for aiming and positioning infrared thermometric optical probe on small furnace cover
CN203929225U (en) * 2014-06-30 2014-11-05 四川天微电子有限责任公司 A kind of flame detector

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141957A (en) * 1997-05-20 2000-11-07 Mitsubishi Heavy Industries, Ltd. Flame detector for combustor
US6490868B1 (en) * 2000-08-17 2002-12-10 Siemens Westinghouse Power Corporation Adjustable mounting device for aligning optical sensor in gas turbine engine combustor
CN2697624Y (en) * 2004-01-30 2005-05-04 西安交通大学 Penetrating type flame temp sensor
CN2872366Y (en) * 2005-11-04 2007-02-21 江苏省电力公司无锡供电公司 Height-adjustable meter recorder
CN101925782A (en) * 2008-01-28 2010-12-22 阿尔斯托姆科技有限公司 The adjustable flame scanner of variable-length
WO2011079422A1 (en) * 2009-12-30 2011-07-07 北京航天万源煤化工工程技术有限公司 Flame detecting device
CN202253733U (en) * 2011-08-24 2012-05-30 上海宝钢化工有限公司 Flame detecting connector with self-cleaning function
CN102706445A (en) * 2012-04-25 2012-10-03 徐州能达燃烧控制工程有限公司 Flame detection probe capable of adjusting visual field
CN203011554U (en) * 2012-12-12 2013-06-19 陈连伟 Telescopic temperature-measuring pipe
CN203364162U (en) * 2013-06-21 2013-12-25 黑龙江省中能控制工程有限公司 Lightpipe type flame detector probe
CN203364980U (en) * 2013-06-21 2013-12-25 黑龙江省中能控制工程有限公司 Flame detection probe capable of adjusting monitoring position online
CN103868599A (en) * 2014-02-22 2014-06-18 袁国炳 Installing device for aiming and positioning infrared thermometric optical probe on small furnace cover
CN203929225U (en) * 2014-06-30 2014-11-05 四川天微电子有限责任公司 A kind of flame detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105509786A (en) * 2015-12-10 2016-04-20 无锡拓能自动化科技有限公司 Flame detector provided with cooling portion
CN105547351A (en) * 2015-12-10 2016-05-04 无锡拓能自动化科技有限公司 Burning loss prevention flame detector facilitating angle adjustment
CN105651390A (en) * 2015-12-25 2016-06-08 无锡信大气象传感网科技有限公司 Flame detector installation system

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Denomination of invention: Flame detection device

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