CN2859482Y - Integrated flame monitor - Google Patents
Integrated flame monitor Download PDFInfo
- Publication number
- CN2859482Y CN2859482Y CN 200520136577 CN200520136577U CN2859482Y CN 2859482 Y CN2859482 Y CN 2859482Y CN 200520136577 CN200520136577 CN 200520136577 CN 200520136577 U CN200520136577 U CN 200520136577U CN 2859482 Y CN2859482 Y CN 2859482Y
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- flame
- utility
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- proof housing
- circuit board
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Abstract
This utility model relates to the field of flame combustion detection. This utility model of integrated flame detector comprises of fixed explosion suppression shell connection, explosion suppression end cap and installation flange. Keyboard circuit board is arranged in the explosion suppression end cap, on which arranged button column, keyboard membrane worked with keyboard circuit board , window glass; explosion suppression shell arranges camera lens,flame sensor and systematic circuit board in turns; Explosion suppression shell arranges wire junction and wire, among which, wire is connected with keyboard circuit board.The positive effect of this utility model is: This utility model is an integral structure that includes flame sensor and flame detection amplifier to be united, which improved the reliability of whole mchine, and is easy to be installed and mainted; In this utility model, signal transmission is changed from original voltage signal to current signal, has improved signal's antiinterference ability, avoided the attenuation problem caused by split type signal transmission and signal may be transmited beyond distance, and it's stable and reliable to detect the flame.
Description
Technical field
The utility model relates to the flame combustion detection range, particularly a kind of integral flame detecting device.
Background technology
Traditional flame combustion detection system is made up of flame sensor and flame detecting amplifier two parts, wherein flame sensor is installed near the flame that needs to detect, the flame detecting amplifier then is installed in the pulpit, both link by polycore cable, like this, the flame detecting amplifier just need not requirement of explosion proof.But this mode has a lot of weak points.At first, because the signal of flame sensor output is faint analog voltage signal, in transmission course, be easy to decay, transmission range is restricted, signal is transferred to distortion easily behind the flame detecting amplifier, sensitivity to flame monitoring reduces, and its signal is easy to be subjected to various interference simultaneously, has reduced the accuracy that flame detects; Secondly, because high voltage is contained in flame sensor inside, I﹠M inconvenience, the while sensor open-air atmosphere that is of living in, inclement condition causes signal fault easily.
The utility model content
(1) technical matters that will solve
The purpose of this utility model is the deficiency at above-mentioned technology, provide a kind of to flame detect stable, reliable, failure rate is low and be convenient to the integral flame detecting device of I﹠M.
(2) technical scheme
For achieving the above object, the utility model adopts following technical scheme:
The utility model integral flame detecting device, comprise tubular flame proof housing, be fixed on the explosion insulation shell with ladder hole of flame proof housing one end and be fixed on the mounting flange of the hollow of the flame proof housing other end, in the wherein said explosion insulation shell keyboard pcb is installed, explosion insulation shell be provided with the button post of keyboard pcb cooperating and with the keyboard membrane and the sight glass of button post cooperating; To the other end camera lens, flame sensor and system circuit board are installed successively by the connection flange end in the described flame proof housing; The flame proof housing is provided with electric wire and introduces joint and electric wire, and wherein electric wire is connected on the keyboard pcb.
Wherein said button post is set with back-moving spring outward.
Wherein said keyboard pcb, system circuit board and flame sensor all are fixed on the looper.
Between wherein said explosion insulation shell and the keyboard membrane, between explosion insulation shell and the flame proof housing, between flame proof housing and the mounting flange packing washer is housed respectively.
Wherein said camera lens is convex lens, and described flame sensor is installed in the focal position of convex lens.
Wherein said sight glass and camera lens periphery scribble fluid sealant respectively.
(3) beneficial effect
The advantage and the good effect of the utility model integral flame detecting device are: the utility model is to have comprised the integral structure that flame sensor and two parts of flame detecting amplifier unite two into one, improve the reliability of complete machine, and be convenient to I﹠M; The signal transmission is converted to current signal by original voltage signal in the utility model, has improved the signal antijamming capability, has avoided the attenuation problem of split type signal transmission, can transmit at a distance, flame is detected stable, reliable.
Description of drawings
Fig. 1 is the sectional view of the utility model integral flame detecting device;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the circuit working schematic diagram of the keyboard pcb in the utility model integral flame detecting device;
Fig. 4 is the circuit working schematic diagram of the system circuit board in the utility model integral flame detecting device.
Among the figure: 1. explosion insulation shell; 2. button post; 3. sight glass; 4. keyboard pcb; 5. flame proof housing; 6. electric wire is introduced joint; 7. system circuit board; 8. flame sensor; 9. camera lens; 10. mounting flange; 11. keyboard membrane; 12. trim ring; IC1, IC2 are chip.
Embodiment
Below in conjunction with accompanying drawing, further describe the specific embodiments of the utility model integral flame detecting device, but be not used for limiting protection domain of the present utility model.
Referring to Fig. 1 and Fig. 2.Integral flame detecting device of the present utility model, comprise the tubular flame proof housing 5 that is fixedly connected sequentially together, have the explosion insulation shell 1 of ladder hole and the mounting flange 10 of hollow, in the wherein said explosion insulation shell 1 keyboard pcb 4 is installed, explosion insulation shell 1 be provided with the button post 2 of keyboard pcb 4 cooperatings and with the keyboard membrane 11 and the sight glass 3 of button post 2 cooperatings; To the other end camera lens 9, flame sensor 8 and system circuit board 7 are installed successively by connection flange 10 ends in the described flame proof housing 5; Flame proof housing 5 is provided with electric wire and introduces joint 6, and electric wire is introduced joint 6 by electric wire and entered in the flame proof housing 5, is welded direct on the keyboard pcb 4, and the line interruption of having avoided adopting aviation plug to bring causes deficiency that flame monitoring is made mistakes.Keyboard pcb 4 and system circuit board 7, flame sensor 9, not to connect, but be welded into an integral body, reduced the influence of ambient vibration, circuit virtual connection phenomenon can not occur it by looper by electric wire.Camera lens 9 is convex lens, and described flame sensor 8 is installed in the focal position of convex lens, and parallel light of coming in can focus on the flame sensor 8 through behind the camera lens 9.For button can be resetted flexibly, being equipped with under the button post resets uses spring.Enter for fear of rainwater, be equipped with packing washer below the keyboard membrane 11, tightly fasten with trim ring 12.Leak outside for fear of cooling air, flame foreign substance pollution camera lens 9 is equipped with packing washer between flame proof housing 5 and the mounting flange 10.Between keyboard pcb explosion insulation shell 1 and the keyboard membrane 11, between explosion insulation shell 1 and the flame proof housing 5, respectively packing washer is housed.Sight glass 3 and camera lens 9 peripheries scribble fluid sealant respectively.The model of flame sensor 8 is HG200 in the utility model.
Referring to Fig. 3.Keyboard pcb 4 in the utility model comprises IC1, IC2, HL2 and HL3, and wherein IC1 is used for the HL2 driving and shows that IC2 is used for HL3 and drives demonstration.
System is provided with 8 buttons altogether, be respectively reset, self check, gain+, gain-, background+, background-, output+, output-.When needs system manual reset, press reset key, can reset; Pressing the self check key can detect flame detection circuit, checks whether to have fault; Gain+-be that online regulating system gains, so that system adapts to on-the-spot flame, background+-be used to regulate boiler furnace background flame size setting value; Output+-be used for manually adjusting the output current deviation, to adapt to the scene.
Referring to Fig. 4.System circuit board 7 in the utility model comprises single-chip microcomputer (model is 89C55), signal amplifier (OP07), A/D conversion and isolation (TLC1543) and flame sensor, and flame sensor wherein comprises Ultraviolet sensor (R268) and infrared sensor (HG200).
Ultraviolet sensor is with the ultraviolet light that detects, photosignal is transformed to voltage signal through signal amplification circuit, after analog to digital conversion and light-coupled isolation, input to single-chip microcomputer again, single-chip microcomputer compares signal and the set-point of being imported by keyboard and handles after corresponding 4-20mA current signal and switching value signal are exported in the D/A conversion.
Infrared sensor is with the near infrared light that detects, photosignal is transformed to voltage signal through signal amplification circuit, after analog to digital conversion and light-coupled isolation, input to single-chip microcomputer again, single-chip microcomputer compares signal and the set-point of being imported by keyboard and handles after corresponding 4-20mA current signal and switching value signal are exported in the D/A conversion.LED makes the usefulness of signal demonstration, as showing running status, flame status etc.
The utility model integrated flame monitor has following beneficial effect:
(1) reduced manufacturing cost, the scene of being convenient to is installed on maintenance; Flame is detected, by originally Flame sensor and organic being integrated of flame detecting amplifier two parts, improved the reliability of complete machine.
(2) for the integrated fire inspection of ultraviolet, be mainly used in natural gas, coke-stove gas and blast furnace gas In the boiler combustion flame detection for feed fuels, for this kind scene, it is anti-to require all electrical equipment all to have Quick-fried function has solved thus in the dangerous on-the-spot problem that flame is detected.
(2) integral flame detects, and the signal transmission has original voltage signal to be converted to current signal, carries High signal antijamming capability has been avoided the attenuation problem of split type signal transmission, can transmit at a distance.
(4) failure rate is low, stable performance.
Claims (6)
1. integral flame detecting device, it is characterized in that comprising tubular flame proof housing (5), be fixed on the explosion insulation shell with ladder hole (1) of flame proof housing (5) one ends and be fixed on the mounting flange (10) of the hollow of flame proof housing (5) other end, keyboard pcb (4) is installed in the wherein said explosion insulation shell (1), explosion insulation shell (1) be provided with the button post (2) of keyboard pcb (4) cooperating and with the keyboard membrane (11) and the sight glass (3) of button post (2) cooperating; To the other end camera lens (9), flame sensor (8) and system circuit board (7) are installed successively by connection flange (10) end in the described flame proof housing (5); Flame proof housing (5) is provided with electric wire and introduces joint (6) and electric wire, and wherein electric wire is connected on the keyboard pcb (4).
2. integral flame detecting device according to claim 1 is characterized in that the outer back-moving spring that is set with of described button post (2).
3. integral flame detecting device according to claim 1 and 2 is characterized in that described keyboard pcb (4), system circuit board (7) and flame sensor (8) utilize the right angle looper to be fixed together.
4. integral flame detecting device according to claim 1 is characterized in that between described explosion insulation shell (1) and the keyboard membrane (11), between explosion insulation shell (1) and the flame proof housing (5), between flame proof housing (5) and the mounting flange (10) packing washer is housed respectively.
5. integral flame detecting device according to claim 1 is characterized in that described camera lens (9) is convex lens, and described flame sensor (8) is installed in the focal position of convex lens.
6. integral flame detecting device according to claim 1 is characterized in that described sight glass (3) and camera lens (9) periphery scribble fluid sealant respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136577 CN2859482Y (en) | 2005-12-30 | 2005-12-30 | Integrated flame monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136577 CN2859482Y (en) | 2005-12-30 | 2005-12-30 | Integrated flame monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859482Y true CN2859482Y (en) | 2007-01-17 |
Family
ID=37612341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520136577 Expired - Fee Related CN2859482Y (en) | 2005-12-30 | 2005-12-30 | Integrated flame monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2859482Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103982908A (en) * | 2014-04-29 | 2014-08-13 | 南通中远船务自动化有限公司 | Boiler flame detection device |
| CN104913334A (en) * | 2015-06-01 | 2015-09-16 | 李理 | Smoke exhaust tube for flame detectors |
| CN105223863A (en) * | 2015-09-21 | 2016-01-06 | 黑龙江泰安防火防爆设备有限公司 | The time break point detection device |
| CN105318347A (en) * | 2014-06-26 | 2016-02-10 | 上海宝钢化工有限公司 | Online maintenance device for fire detection probe of organic heat carrier furnace |
| CN110530520A (en) * | 2019-07-25 | 2019-12-03 | 曾涵宇 | A kind of ultraviolet concealed actual measurement overlapping detector of semiconductor |
| CN116499500A (en) * | 2023-06-28 | 2023-07-28 | 珠海矽敏科技有限公司 | Sensor system, sensor, signal output circuit of sensor and signal acquisition equipment |
-
2005
- 2005-12-30 CN CN 200520136577 patent/CN2859482Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102257324B (en) * | 2009-12-30 | 2013-03-06 | 航天长征化学工程股份有限公司 | Flame detecting device |
| US9115933B2 (en) | 2009-12-30 | 2015-08-25 | Changzheng Engineering Co., Ltd. | Flame detection device |
| CN103982908A (en) * | 2014-04-29 | 2014-08-13 | 南通中远船务自动化有限公司 | Boiler flame detection device |
| CN105318347A (en) * | 2014-06-26 | 2016-02-10 | 上海宝钢化工有限公司 | Online maintenance device for fire detection probe of organic heat carrier furnace |
| CN105318347B (en) * | 2014-06-26 | 2018-08-17 | 上海宝钢化工有限公司 | Online maintenance device for fire detection probe of organic heat carrier furnace |
| CN104913334A (en) * | 2015-06-01 | 2015-09-16 | 李理 | Smoke exhaust tube for flame detectors |
| CN105223863A (en) * | 2015-09-21 | 2016-01-06 | 黑龙江泰安防火防爆设备有限公司 | The time break point detection device |
| CN110530520A (en) * | 2019-07-25 | 2019-12-03 | 曾涵宇 | A kind of ultraviolet concealed actual measurement overlapping detector of semiconductor |
| CN110530520B (en) * | 2019-07-25 | 2020-11-24 | 望江县助你兴业财务咨询有限公司 | Semiconductor ultraviolet hidden type actual measurement superposed detector |
| CN116499500A (en) * | 2023-06-28 | 2023-07-28 | 珠海矽敏科技有限公司 | Sensor system, sensor, signal output circuit of sensor and signal acquisition equipment |
| CN116499500B (en) * | 2023-06-28 | 2024-01-30 | 珠海矽敏科技有限公司 | Sensor system, sensor, signal output circuit of sensor and signal acquisition equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |