CN202792092U - Spectral analysis type visible light flame detector - Google Patents
Spectral analysis type visible light flame detector Download PDFInfo
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- CN202792092U CN202792092U CN 201220401137 CN201220401137U CN202792092U CN 202792092 U CN202792092 U CN 202792092U CN 201220401137 CN201220401137 CN 201220401137 CN 201220401137 U CN201220401137 U CN 201220401137U CN 202792092 U CN202792092 U CN 202792092U
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- flame detector
- visible light
- core processor
- flame
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Abstract
A spectral analysis type visible light flame detector is suitable for being used in safety monitoring of a pulverized coal fired boiler, and comprises a flame detector probe and a flame detector processor. The flame detector probe comprises a photoelectric sensor, a logarithmic amplifier and a current-voltage converter which are connected with each other in sequence. The flame detector processor comprises the current-voltage converter, a voltage amplifier and an asynchronous response mode (ARM) core processor. The current-voltage converter is connected with the flame detector probe, and the voltage amplifier is connected with the current-voltage converter. The ARM core processor is connected with the voltage amplifier and a power supply. A human-machine interface and a communication circuit are arranged on the ARM core processor. The spectral analysis type visible light flame detector has the advantages of being simple in structure, convenient to use, high in reliability, quick in detection, and high in work stability.
Description
Technical field
The utility model relates to a kind of flame detector, the spectrum analysis type visible light flame detector that uses when being particularly useful for the security monitoring of pulverized-coal fired boiler.
Background technology
In industrial circle, there are various Industrial Boilers take oil, gas, natural gas and coal dust etc. as fuel, if light a fire unsuccessful or when normal combustion because of certain former thereby died, if this moment untimely fuel shutoff, just may after flame-out, cause explosion accident because continuing to drop into fuel.Boiler FSSS system can detect the boiler combustion situation; the input of the timely fuel shutoff of energy when the boiler combustion situation is unstable or flame-out; flame detector can detect combustion position; be an important component part of burner hearth safeguard protection FSSS system, be related to safety in production and the stable operation of boiler.The maximum reason that affects at present the flame detector performance is exactly single nozzles detecting reliability problem, traditional flame detector, to adopt frequency and fluctuation pulse signal to flare up fire to compare, pulse signal is that the shaping counting is carried out in the fluctuation of flame, there is unsteady phenomena, affects single nozzles and detect performance.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes in the prior art, provide a kind of simple in structure, easy to use, reliability is high, detect efficiently spectrum analysis type visible light flame detector.
For achieving the above object, spectrum analysis type visible light flame detector of the present utility model, it comprises flame detector probe and flame measurement processor; Described flame detector probe comprises photoelectric sensor, logafier and the voltage to current converter that is linked in sequence; Described flame measurement processor comprises the current-to-voltage converter that is connected with flame detector probe, the voltage amplifier that is connected with current-to-voltage converter, the ARM core processor is connected with voltage amplifier, the ARM core processor is connected with power supply, and the ARM core processor is provided with man-machine interface and telecommunication circuit.
Described ARM core processor comprises A/D change-over circuit and fault diagnosis circuit; Described man-machine interface is display and keyboard, and telecommunication circuit is the RS485 circuit; Described ARM core processor model is STM32.
Beneficial effect: this device is provided with fault diagnosis circuit, can judge the state of the operating point of the probe of flame detector, amplifying circuit, ARM chip itself, output relay, and malfunction is shown to man-machine interface; Owing to adopt A/D change-over circuit at a high speed, the flare up fire inclusion information that collects is abundant, comprise from the direct current to 512Hz below the amplitude of all frequencies, improve single nozzles detecting reliability, realizes stable single nozzles detection; Owing to gather the flare up fire abundant information, so go for the boiler combustion system of various operating modes, can change as required probe; Abundant interface is arranged, connect host computer by interface, the state of flame detector own, flame combustion state are all delivered to host computer, be conducive to the judgement of burner combustion state; After data are stored, can carry out statistical analysis by the various status datas of preserving, be convenient to the arrangement statistics.
Description of drawings
Fig. 1 is flame detecting probe theory diagram of the present utility model.
Fig. 2 is fire inspection processor theory diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
Spectrum analysis type visible light flame detector of the present utility model comprises flame detector probe and flame measurement processor; Described flame detector probe comprises photoelectric sensor, logafier and the voltage to current converter that is linked in sequence; Through photoelectric sensor, be converted to the signal of telecommunication, then be amplified to given voltage through logafier, it is too high in order to prevent light intensity adopting logafier, causes late-class circuit saturated, then is transformed to the current signal teletransmission with current/charge-voltage convertor.
Described flame measurement processor comprises the current-to-voltage converter that is connected with flame detector probe, the voltage amplifier that is connected with current-to-voltage converter, the ARM core processor is connected with voltage amplifier, described ARM core processor model is STM32, the ARM core processor is arranged with classical peripheral circuit outward, peripheral imput output circuit is provided with testing circuit, when detecting fault, by relay fault message is exported; Be provided with 12 A/D change-over circuit image data in the ARM core processor STM32: flame output state to be measured, the communications status of telecommunication circuit, the signals such as this device self temperature, judge whether to exist fault, the ARM core processor is connected with power supply, the ARM core processor is provided with man-machine interface and telecommunication circuit, fault is arranged then by man-machine interface and telecommunication circuit output fault-signal, described man-machine interface is display and keyboard, telecommunication circuit is the RS485 circuit, telecommunication circuit adopts MODBUS agreement and host computer to communicate, according to the host computer instruction, send the flame detector status information, flame combustion situation information.
Workflow: flame detector is installed in boiler, this device obtains the information of flame to be measured by flame-detecting probe, flame-detecting probe sends to the flame measurement processor with the information of surveying, the current signal that flame detector probe is sent here through current-voltage conversion circuit, is converted to voltage signal, sending into voltage amplifier amplifies, then by the A/D change-over circuit, be converted to data signal, the sampling rate of A/D change-over circuit is 1024Hz.After being converted to data signal, the ARM core processor carries out Fourier transformation to data signal, is converted to the spectrum waveform of 0-512Hz; The signal of ARM core processor Real-time Collection and pre-stored data are carried out flame and are judged, meeting has fire or without fiery condition, then according to output with conditions fire is arranged, without fiery signal, and finally export by logic, with the flame information output to host computer, if pre-stored has fire or without fiery file fault is arranged, then automatically the spectrum signal that collects is compared analysis, output fire is arranged, without fiery signal.
Claims (4)
1. spectrum analysis visible light flame detecting device, it is characterized in that: it comprises flame detector probe and flame measurement processor; Described flame detector probe comprises photoelectric sensor, logafier and the voltage to current converter that is linked in sequence; Described flame measurement processor comprises the current-to-voltage converter that is connected with flame detector probe, the voltage amplifier that is connected with current-to-voltage converter, the ARM core processor is connected with voltage amplifier, the ARM core processor is connected with power supply, and the ARM core processor is provided with man-machine interface and telecommunication circuit.
2. spectrum analysis visible light flame detecting device according to claim 1 is characterized in that, described ARM core processor comprises A/D change-over circuit and fault diagnosis circuit.
3. spectrum analysis visible light flame detecting device according to claim 1 is characterized in that, described man-machine interface is display and keyboard, and telecommunication circuit is the RS485 circuit.
4. spectrum analysis visible light flame detecting device according to claim 1 is characterized in that, described ARM core processor model is STM32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220401137 CN202792092U (en) | 2012-08-14 | 2012-08-14 | Spectral analysis type visible light flame detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220401137 CN202792092U (en) | 2012-08-14 | 2012-08-14 | Spectral analysis type visible light flame detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792092U true CN202792092U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220401137 Expired - Lifetime CN202792092U (en) | 2012-08-14 | 2012-08-14 | Spectral analysis type visible light flame detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197671A (en) * | 2015-05-26 | 2016-12-07 | 阿自倍尔株式会社 | Flame detector system |
| CN106196159A (en) * | 2015-05-26 | 2016-12-07 | 阿自倍尔株式会社 | Flame detector system |
-
2012
- 2012-08-14 CN CN 201220401137 patent/CN202792092U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197671A (en) * | 2015-05-26 | 2016-12-07 | 阿自倍尔株式会社 | Flame detector system |
| CN106196159A (en) * | 2015-05-26 | 2016-12-07 | 阿自倍尔株式会社 | Flame detector system |
| CN106196159B (en) * | 2015-05-26 | 2018-10-09 | 阿自倍尔株式会社 | Flame detector system |
| CN106197671B (en) * | 2015-05-26 | 2019-12-13 | 阿自倍尔株式会社 | Flame detection system |
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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: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee after: XUZHOU KERONG ENVIRONMENTAL RESOURCES Co.,Ltd. Address before: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, Xuzhou Patentee before: XUZHOU COMBUSTION CONTROL TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |