CN105841733B - Optical sensor testing device and method for fire explosion - Google Patents
Optical sensor testing device and method for fire explosion Download PDFInfo
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- CN105841733B CN105841733B CN201610235751.0A CN201610235751A CN105841733B CN 105841733 B CN105841733 B CN 105841733B CN 201610235751 A CN201610235751 A CN 201610235751A CN 105841733 B CN105841733 B CN 105841733B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000004880 explosion Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title description 6
- 238000001228 spectrum Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses an optical sensor testing device for fire explosion, which comprises a control system, a holder system, a control box, a driving circuit, a light source, an optical system, a data acquisition circuit and a counting circuit, wherein the control system is connected with the driving circuit through the control box, the control box selects light source spectrum and light source intensity, the driving circuit drives the light source to emit light, light emitted by the light source is received by a sensor to be tested after being processed by the optical system, the data acquisition circuit receives a sensor response signal and sends the response signal to the control system, meanwhile, the counting circuit also acquires the response signal of the sensor, and the response time of the sensor is measured through the counting circuit; the holder system is connected with the control system, the sensor to be detected is arranged on the holder system, and the control system controls the holder system to rotate and is used for acquiring angle information of the holder system. The invention can accurately test five performance parameters of the optical sensor.
Description
Technical field
The present invention relates to a kind of test devices, and in particular to a kind of fire explosion optics sensor detector and side
Method.
Background technology
Industrial gasses, dust fire explosion are one of the main hazards that China's industrial processes face.In recent years, occur
A lot of gases, dust explosion accident, cause huge life and property loss.Occur detecting fire explosion information at present
Optical sensor includes mainly infrared principles, ultraviolet principle and visible light principle etc..But lacks and detect these sensors
The test and experiment device of energy parameter, such as detection range, detection angle, response time, response wave band, response light intensity.Energy of the present invention
Enough test fire explosions detect optical sensor performance parameter, at home and abroad belong to blank.
Invention content
In view of this, the technical problem to be solved by the present invention is to be directed to state of the art, the present invention provides a kind of fire
Calamity explosion optics sensor detector and method.
The purpose of the present invention is achieved through the following technical solutions, a kind of fire explosion optics sensor test dress
It sets, including control system, clouds terrace system, control cabinet, driving circuit, light source, optical system, data acquisition circuit and counting electricity
Road；The control system is connect by control cabinet with driving circuit, and light source light spectrum and the intensity of light source, driving are selected by control cabinet
Circuit drives light source luminescent, the light that light source is sent out are received after optical system is handled by optical sensor to be measured, data acquisition
Response signal is simultaneously sent to control system by circuit receiving sensor response signal, and coincidence circuit also acquires optical sensor
Response signal, the response time of optical sensor is measured by counting circuit；The clouds terrace system is connect with control system, is waited for
Sensor to be surveyed to be set on clouds terrace system, control system controls clouds terrace system and rotates, the angle information for obtaining clouds terrace system,
To obtain the detection angle information of sensor.
Further, the clouds terrace system includes holder, encoder and counter, holder, encoder, counter, processing system
System is sequentially connected；Light source to be measured is set on holder, stepper motor is provided on the holder, the holder is by stepper motor band
Dynamic rotation, encoder output pulse signal are converted to angle information to counter.
Further, sensor, holder and motor driver are on the guide rail slide unit of 20m long；Light source and its control cabinet
It is fixed at the 0m scales of guide rail.
The present invention also provides a kind of fire explosion optics sensor tests, include the following steps：
Optical sensor test product is installed on distance to a declared goal on guide rail slide unit by S1, recycles laser ruler to measure this distance, so
Sensor and light source center are aligned by laser alignment module afterwards；
S2 sets optical source wavelength to spectrum I, then improves light intensity step by step, and whether observation optical sensor test product has response,
Response time and response light intensity are recorded if response；If optical sensor test product is to the equal nothing of all intensity levels of spectrum I
Reaction, just shifts to spectrum II by wavelength, and so on, until sensor test product responds, you can obtain the response of sensor
Wave band；
S3 keeps light intensity constant, and holder is started to work, first to right rotation, until optical sensor test product is without response,
Record angle information at this time；Then during holder reversion makes sensor return, it is aligned light source, holder is to anticlockwise, until optics
Until sensor test product is without response, angle information at this time is recorded；
S4 holders are rotated down, and until optical sensor test product is without response, record angle information at this time；Then
During holder reversion makes sensor return, it is aligned light source, holder rotates up, until optical sensor test product is without response, record
Under angle information at this time.
The method have the benefit that：
The present invention can accurately test out infrared optical sensor, ultraviolet optics sensor, visible light optical sensor
Five big performance parameters.Forward detection angular range：2 × [- 90 ° ,+90 °], precision ± 2 °；Detecting distance range：[0,20m], essence
Degree ± 10mm；Detect response time range [0,10s], precision ± 10ns.The present invention is that research and development, production and detection explosion optics pass
Sensor provides foundation and unified standard, controls industrial gasses dust combustion explosion accident for detection, improves industrial production mistake
The safety of journey, has great importance.
Description of the drawings
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
The detailed description of one step, wherein：
Fig. 1 is fire explosion optics sensor detector system block diagram.
Specific implementation mode
Below with reference to attached drawing, the preferred embodiment of the present invention is described in detail；It should be appreciated that preferred embodiment
Only for illustrating the present invention, the protection domain being not intended to be limiting of the invention.
As shown in Figure 1, a kind of fire explosion optics sensor detector, including control system, clouds terrace system, control
Case, driving circuit, light source (carrying the light power meter for monitoring light intensity), optical system, data acquisition circuit and counting electricity
Road, control system are the control centre and data center of the test device.
The control system is connect by control cabinet with driving circuit, selects light source light spectrum and light source strong by control cabinet
Degree, driving circuit drive light source luminescent, the light that light source is sent out to be received by sensor to be measured after optical system is handled, and data are adopted
Response signal is simultaneously sent to control system by collector receiving sensor response signal, and coincidence circuit also acquires sensor
Response signal measures the response time of sensor by counting circuit.
The clouds terrace system is connect with control system, and sensor to be measured is set on clouds terrace system, and control system controls cloud
Platform system rotates, the angle information for obtaining clouds terrace system.
Further, the clouds terrace system includes holder, encoder and counter, holder, encoder, counter, processing system
System is sequentially connected；Light source to be measured is set on holder, stepper motor is provided on the holder, the holder is by stepper motor band
Dynamic rotation, encoder output pulse signal are converted to angle information to counter.
Further, sensor, clouds terrace system are on the guide rail slide unit of 20m long；Light source and its control cabinet, which are fixed on, leads
At the 0m scales of rail.
In the present embodiment, first through I/V before acquiring sensor response signal, A/D converter is handled data acquisition circuit.
The major parameter for characterizing all kinds of fire explosions detection optical sensors be detection range, detection angle, the response time,
Response wave band, response light intensity lack scientific method and instrument that these parameters are tested in detection at present.The present invention can be tested accurately
Go out infrared optical sensor, five big performance parameters of ultraviolet optics sensor, visible light optical sensor, this at home and abroad all belongs to
In blank.Forward detection angular range：2 × [- 90 ° ,+90 °], precision ± 2 °；Detecting distance range：[0,20m], precision ±
10mm；Detect response time range [0,10s], precision ± 10ns.
The present invention is that research and development, production and detection explosion optical sensor provide foundation and unified standard, and detection is controlled
Industrial gasses dust combustion explosion accident processed, improves the safety of industrial processes, has great importance.
A kind of fire explosion optics sensor test, by optical sensor test product be installed on guide rail slide unit specify away from
From, recycle laser ruler accurately to measure this distance (ensure error within ± 10mm), it then will by laser alignment module
Sensor and light source center alignment.It sets optical source wavelength to spectrum I, then improves light intensity (every grade of delay 5ms) step by step, observe light
It learns whether sensor test product has response, response time and response light intensity is recorded if response.If optical sensor test product pair
All intensity levels of spectrum I are reactionless, and wavelength is just shifted to spectrum II, and so on, until optical sensor test product is rung
Until answering, you can obtain the response wave band of sensor.To reduce test error rate, after optical sensor test product responds,
Corresponding light intensity nearby test several times repeatedly by gear, it is ensured that the value is true response.Keep light intensity constant, holder starts work
Make, first to right rotation, until optical sensor test product is without response, records angle information at this time；Then holder inverts
In so that optical sensor is returned, it is aligned light source, surveys the visible angle in left side.The test of pitch angle is same.It is tested to reduce
Error rate, after optical sensor test product, which responds, to disappear, gear is tested several times repeatedly near respective angles, it is ensured that should
Value is true response.Such response time for measuring sensor under the distance, response light intensity, test wave band, visible angle,
Store data into table.After complete all data under to be measured, arrange as chart, printout.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, it is clear that those skilled in the art
Various changes and modifications can be made to the invention by member without departing from the spirit and scope of the present invention.If in this way, the present invention
Within the scope of the claims of the present invention and its equivalent technology, then the present invention is also intended to include these these modifications and variations
Including modification and variation.
Claims (2)
1. a kind of fire explosion optics sensor detector, it is characterised in that：Including control system, clouds terrace system, control
Case, driving circuit, light source, optical system, data acquisition circuit and counting circuit；The control system passes through control cabinet and driving
Circuit connects, and selects light source light spectrum and the intensity of light source, driving circuit to drive light source luminescent by control cabinet, the light warp that light source is sent out
It is received by optical sensor to be measured after optical system processing, data acquisition circuit receiving sensor response signal simultaneously believes response
Number it is sent to control system, coincidence circuit also acquires the response signal of optical sensor, and optics is measured by counting circuit
The response time of sensor；The clouds terrace system is connect with control system, and sensor to be measured is set on clouds terrace system, control system
System control clouds terrace system rotation, the angle information for obtaining clouds terrace system, to obtain the detection angle information of sensor；
The clouds terrace system includes holder, encoder and counter, and holder, encoder, counter, processing system are sequentially connected；
Sensor to be measured is set on holder, and stepper motor is provided on the holder, and the holder is driven by stepper motor to be rotated, and is compiled
Code device output pulse signal is converted to angle information to counter；
Sensor, holder and motor driver are on the guide rail slide unit of 20m long；Light source and its control cabinet are fixed on guide rail
At 0m scales.
2. a kind of fire explosion optics sensor testing method, it is characterised in that：Include the following steps：
Optical sensor test product is installed on distance to a declared goal on guide rail slide unit by S1, is recycled laser ruler to measure this distance, is then led to
Laser collimating module is crossed to be directed at sensor and light source center；
S2 sets optical source wavelength to spectrum I, then improves light intensity step by step, and whether observation optical sensor test product has response, if ringing
Response time and response light intensity should then be recorded；If optical sensor test product is reactionless to all intensity levels of spectrum I,
Wavelength is just shifted into spectrum II, and so on, until sensor test product responds, you can obtain the response wave band of sensor；
S3 keeps light intensity constant, and holder is started to work, first to right rotation, until optical sensor test product is without response, and record
Under angle information at this time；Then during holder reversion makes sensor return, it is aligned light source, holder is to anticlockwise, until optical sensing
Until device test product is without response, angle information at this time is recorded；
S4 holders are rotated down, and until optical sensor test product is without response, record angle information at this time；Then holder
During reversion makes sensor return, it is aligned light source, holder rotates up, and until optical sensor test product is without response, records this
When angle information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235751.0A CN105841733B (en) | 2016-04-15 | 2016-04-15 | Optical sensor testing device and method for fire explosion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610235751.0A CN105841733B (en) | 2016-04-15 | 2016-04-15 | Optical sensor testing device and method for fire explosion |
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| CN105841733A CN105841733A (en) | 2016-08-10 |
| CN105841733B true CN105841733B (en) | 2018-09-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110595614B (en) * | 2019-08-29 | 2024-05-14 | 汇乐因斯福环保安全研究院（苏州）有限公司 | Spark detector performance testing device for dust explosion prevention and testing method thereof |
| CN116659564B (en) * | 2023-07-27 | 2023-12-08 | 广东汉瑞通信科技有限公司 | Characteristic testing equipment for organic photoelectric sensors |
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|---|---|---|---|---|
| WO2009149498A1 (en) * | 2008-06-10 | 2009-12-17 | Xtralis Technologies Ltd | Particle detection |
| CN102213615A (en) * | 2011-04-01 | 2011-10-12 | 中国兵器工业第二〇五研究所 | LED optical parameter comprehensive testing device |
| CN102542720A (en) * | 2012-02-17 | 2012-07-04 | 招商局重庆交通科研设计院有限公司 | Device for detecting performance of highway tunnel line-type fire detector |
| CN202836770U (en) * | 2012-09-13 | 2013-03-27 | 北京中科联众科技股份有限公司 | Multi-view adjusting flame detector |
| CN203037351U (en) * | 2013-01-15 | 2013-07-03 | 中国石油大学(北京) | Spectral responsivity measuring system |
| CN104483104A (en) * | 2014-12-25 | 2015-04-01 | 中国科学院半导体研究所 | Spectral response analysis system for photoelectric detector |
| CN104637234A (en) * | 2015-02-11 | 2015-05-20 | 中煤科工集团重庆研究院有限公司 | Smoke detector calibrating device and calibrating method based on laser scattering measurement principle |
| CN205537728U (en) * | 2016-04-15 | 2016-08-31 | 中煤科工集团重庆研究院有限公司 | Optical sensor testing device for fire explosion |
-
2016
- 2016-04-15 CN CN201610235751.0A patent/CN105841733B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009149498A1 (en) * | 2008-06-10 | 2009-12-17 | Xtralis Technologies Ltd | Particle detection |
| CN102213615A (en) * | 2011-04-01 | 2011-10-12 | 中国兵器工业第二〇五研究所 | LED optical parameter comprehensive testing device |
| CN102542720A (en) * | 2012-02-17 | 2012-07-04 | 招商局重庆交通科研设计院有限公司 | Device for detecting performance of highway tunnel line-type fire detector |
| CN202836770U (en) * | 2012-09-13 | 2013-03-27 | 北京中科联众科技股份有限公司 | Multi-view adjusting flame detector |
| CN203037351U (en) * | 2013-01-15 | 2013-07-03 | 中国石油大学(北京) | Spectral responsivity measuring system |
| CN104483104A (en) * | 2014-12-25 | 2015-04-01 | 中国科学院半导体研究所 | Spectral response analysis system for photoelectric detector |
| CN104637234A (en) * | 2015-02-11 | 2015-05-20 | 中煤科工集团重庆研究院有限公司 | Smoke detector calibrating device and calibrating method based on laser scattering measurement principle |
| CN205537728U (en) * | 2016-04-15 | 2016-08-31 | 中煤科工集团重庆研究院有限公司 | Optical sensor testing device for fire explosion |
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