CN203376234U - Field oil smoke detection equipment - Google Patents
Field oil smoke detection equipment Download PDFInfo
- Publication number
- CN203376234U CN203376234U CN201320236236.6U CN201320236236U CN203376234U CN 203376234 U CN203376234 U CN 203376234U CN 201320236236 U CN201320236236 U CN 201320236236U CN 203376234 U CN203376234 U CN 203376234U
- Authority
- CN
- China
- Prior art keywords
- oil smoke
- chamber
- multiple parameters
- field detecting
- detecting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses field oil smoke detection equipment, which relates to a particulate matter detection technology and in particular relates to equipment for detecting concentration of particulate matters in cooking fume. The equipment comprises a light source generator, a multi-parameter measurement chamber and an extinction chamber, which are sequentially arranged, wherein measurement beams emitted by the light source generator enter the extinction chamber through the multi-parameter measurement chamber. The equipment also comprises an oil smoke sample gas channel which is intersected with a light path of the measurement beams in a cavity of the multi-parameter measurement chamber. According to the equipment, a modular design is adopted, and functions are conveniently expanded; the measurement accuracy is high; the detection process can be synchronously performed with a sampling process for realizing organic combination, and field measurement and law enforcement are convenient.
Description
Technical field
The utility model relates to a kind of particle detection technique, relates in particular to the particle concentration checkout equipment in a kind of cooking fume.
Background technology
Cooking fume [principal ingredient is particle and TVOC(the total volatile organism)] problem that disturbs residents is long-standing, and the city diet service trade often concentrates on city dweller's close quarters and business Wang Qu in addition, and environmental protection is in recent years complained high.
Present stage, Environmental Protection in China department was to the detection of oil smoke discharge thing, the sampling that not only detection method relates to and detection analytic process complexity, sense cycle is long, measuring accuracy is low, testing cost is high, complex operation, and can't complete at the scene detection (need to sample in advance), and obtain testing result, can't meet the needs of Site Detection law enforcement.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the utility model provides a kind of oil smoke field detecting device, can synchronize and carry out with on-site sampling, can complete fast at the scene analyzing and testing, and easy to operate, accuracy of measurement is high; And can carry out kinetic measurement, and greatly reduce executive cost, be convenient to large-scale promotion and use.
For realizing above-mentioned technical purpose, a kind of oil smoke field detecting device that the utility model provides, comprise the light source generator, measuring multiple parameters chamber, the delustring chamber that are arranged in order; The measuring beam that described light source generator sends enters the delustring chamber through the measuring multiple parameters chamber; Also include the oil smoke sample gas passage that the light path with measuring beam crosses in the measuring multiple parameters chamber.
Further, the described angle that crosses is between the 45-135 degree, and described measuring multiple parameters is installed on luminous flux sensor, temperature sensor, humidity sensor, baroceptor in chamber.
Further, also be provided with reflecting condenser and lens light gathering assembly in described measuring multiple parameters chamber.
Further, in the light source generator rear end, be provided with diaphragm, for effectively eliminating the light source parasitic light, reduce the scattered light background.
Further, the reference measure before described measuring multiple parameters chamber is indoor, is installed on the luminous flux sensor, for the reference light mathematic(al) parameter is provided, is convenient to the error of measurement data is proofreaied and correct.
Further, described light source generator is generating laser, and a sensitive surface of described delustring chamber adopts cone structure.
Further, on the oil smoke sample gas passage before entering the measuring multiple parameters chamber, be provided with a two-position three-way valve, wherein a road connects the oil smoke sample gas, and a road connects clean air.
Further, on the oil smoke sample gas passage after the measuring multiple parameters chamber, be provided with filtrator, after the oil smoke sample after measurement passes, become pure air.
Further, described filtrator comprises one or more filter tanks, in described filter tank, is provided with filter core.
Compared with prior art, the utility model adopts modular design, is convenient to Function Extension; With the self-adjusting function, measuring accuracy is high; Can synchronize and carry out with sampling process, organically combine, the scene of being convenient to be measured and is enforced the law.
The accompanying drawing explanation
Fig. 1 is principle of work schematic diagram of the present utility model.
Fig. 2 is the structured flowchart of a preferred embodiment of measurement module in the utility model.
Fig. 3 is the structural principle schematic diagram of opticator in Fig. 2.
Embodiment
Below in conjunction with drawings and Examples, this aspect is further illustrated.
Fig. 1 is the principle of work schematic diagram of checkout equipment of the present utility model.Include the two large divisions in checkout equipment, one is horizontal optical path, comprises the light source generator, measuring multiple parameters chamber, the delustring chamber that are arranged in order along light path; One is oil smoke path (oil smoke sample gas passage) longitudinally.Both cross in the measuring multiple parameters chamber.In the multifunctional measuring chamber, the smoke particle substrate concentration is measured.
Fig. 2 is the structured flowchart of a preferred embodiment of the utility model oil smoke field detecting device.As shown in the figure, include laser generator, reference measure chamber, diaphragm, measuring multiple parameters chamber, the delustring chamber be arranged in order along light path; In the measuring multiple parameters chamber, the gas circuit of light path and oil smoke sample gas passage crosses.Both intersecting angles can, between 45 degree to 135 degree, be 90 degree in the present embodiment.
Be equipped with all kinds of measuring sensors in the measuring multiple parameters chamber, comprise temperature sensor, humidity sensor, baroceptor, and the light-sensitive unit that the scatter light flux of measuring beam and the generation of tested sample gas joint is measured, detect the luminous flux sensor of scattered light, the data that sensor is surveyed can be passed through after the conversion of data acquisition unit (AD conversion unit) by the logging data storage unit.And the signal demand of luminous flux sensor collection first converts analog electrical signal to by photoelectric conversion unit, then by being collected after analog-to-digital conversion, the logging data storage unit.These data processes that are stored in data storage cell are processed, and will draw smoke particle substrate concentration value.
Wherein, the effect of reference measure chamber is to provide the reference light mathematic(al) parameters such as light source generator light source emergent light power, the luminous flux result recorded in many measuring chambers is revised, the power of calibration light source generator and ambient atmosphere gas componant change the measurement error caused, have effectively reduced zero point drift and the temperature drift of equipment itself.
Wherein, the effect of diaphragm is effectively to eliminate the light source parasitic light, thereby, at the bottom of reducing measuring chamber inscattering trimmed book, obtains the measuring accuracy of lower measurement lower limit and Geng Gao.
On oil smoke sample gas circuit, aspiration pump is set, for keeping the subnormal ambient of oil smoke sample gas circuit.Be equipped with a speed adjustment unit on aspiration pump, this speed adjustment unit can enter oil smoke flowing velocity (wind speed) in flue to be measured from motion tracking, rotating speed to aspiration pump is adjusted, then adjust the oil smoke sample gas and keep identical at the intake velocity at sampling mouth place with the oil smoke flow velocity in tested flue, realize the constant speed of smoke particle thing is measured.Adopt the isokinetic sampling, can increase the accuracy of measurement.Certainly, adopt non-isokinetic sampling, the result measured is also enough accurately with true.
In the present embodiment, the oil smoke sample after detection is at aspiration pump first by filtrator, and the tail gas after filtration no longer contains particle basically, is pure air.Filtrator can adopt the mode of one or more filter tanks, is provided with filter core in filter tank.
In the present embodiment, on the oil smoke sample gas passage before entering the measuring multiple parameters chamber, also be provided with a two-position three-way valve, wherein a road be filtered after pure air be connected.
Through transporting, move or using after a period of time, the situation of zero point drift often can occur due to the oil smoke measuring equipment, in the case, need to be returned to zero to equipment.Equipment zeroing process can be completed by equipment automatically according to timing or fixed condition are set, but also manual intervention manually completes.In the present embodiment, by automatically being completed by equipment.When needs are returned to zero to equipment, close oil smoke sample gas admittance valve, open the clean air gas admittance valve, the data that record in the case, can be used as the reference data (corresponding data is called zero destiny certificate) that oil smoke is measured, can effectively solve the error produced because of zero point drift.Certainly, also can adopt from periphery and directly extract the source of fresh clean air as zero gas.
Also include control module and man-machine interaction unit in the utility model, for controlling the use of whole equipment; Can also increase display unit and communication unit; The operator can show the related data be stored in data storage cell by man-machine interaction unit on display unit, can also complete the remote transmission of data by communication unit, facilitates long-range law enforcement and monitoring.
Display unit can adopt the high resolving power touch-screen, and the graphical interfaces high definition shows, makes faster and more convenient operation.Communication unit can comprise wired communication set and radio communication group, and the radio communication group can be provided with GPRS/3G wireless network card, WiFi communication function, can realize long-range unmanned on-line monitoring and to the Long-distance Control of monitoring instrument.
The utility model can also set universal data interface, as multichannel USB and RS232 interface, and can other peripheral hardware of hot plug.Can also set the multi-path digital control module, for realizing the local programming of other electric equipment of measure field is controlled or remote control by instrument self programming or by wired, radio computer network, make instrument possess base station Based Intelligent Control ability.The utility model can adopt the high-performance lithium ion rechargeable battery as setting power supply, even also can guarantee that without external power supply the equipment normal operation reaches a few hours.The lithium ion battery that is equipped with different capabilities can obtain different standbies and continuous firing duration.
According to top description, known the utility model, mainly for detection of the particle in oil smoke, certainly also is not limited at oil smoke and detects category, and the particle in all genus atmosphere all available the utility model is detected.The utility model can be used in conjunction with various types of sampling units.
Fig. 3 is the structural principle schematic diagram of opticator in Fig. 2, the body 10 that comprises horizontal positioned, offer the passage 16 of a level on it, for oil smoke sample gas passage, be equipped with an aspiration pump 17 on its right side, what with 16 one-tenth, the passage of level, be miter angle (three dimensions is 90 degree) is optical channel (light path), and the optical channel rightmost side is generating laser 11 positions, the optical channel leftmost side is delustring chamber 12, and the light beam 50 that laser generator 11 sends enters delustring chamber 12 through optical channel; Wherein a sensitive surface of the delustring parts in delustring chamber 12 is cone structure, and this structure can be have effectively absorbed by diffuse reflection repeatedly the light beam that enters delustring chamber 12.
Oil smoke sample gas passage (gas circuit) and optical channel (light path) position that crosses is measuring multiple parameters chamber 101, and wherein, the angle that crosses of gas circuit (straight line) and light path (straight line) can, between the 45-135 degree, be 90 degree in the present embodiment.In the measuring multiple parameters chamber in 101, perpendicular to gas circuit and the light path plane that crosses, be installed on luminous flux sensor 1011, for the optical power change (difference of oil smoke sample gas particle quality, the variable quantity difference of luminous power) after measuring soot gas and passing through.
Be reference measure chamber 102 on 101 right sides, measuring multiple parameters chamber, be installed on a wire optical fiber 1021 in it, be connected with a luminous flux sensor 1022, form the luminous flux sensor.By measuring the luminous flux (reference light mathematic(al) parameter) that scattering does not occur, for the data that multifunctional measuring chamber 101 is recorded, carry out error correction.This luminous flux sensor is equally perpendicular to the plane that crosses of gas circuit and light path.
Be provided with diaphragm 103 between reference measure chamber 102 and multifunctional measuring chamber 101, light passes through from the manhole of diaphragm 103, can effectively eliminate the light source parasitic light, reduces the scattered light background.In the present embodiment, be provided with multiple diaphragm.Diaphragm can adopt multilayer nest blade point type structural design, also can adopt other forms of scheme.
In the present embodiment, laser generator 11 is semiconductor laser, also can adopt the portable performance of other type than the intense light source generator.For convenience of site inspection, can configure numerical control adjustable constant-flow source for it.
At the exit end of laser generator 11, can add optical lens group, for light beam is expanded, the work such as shaping, focusing, make incident beam meet measurement demand fully.
Can also set up reflecting condenser and lens light gathering assembly in measuring multiple parameters chamber 101, for scattered light being focused on to the photosensitive zone of described luminous flux sensor, can further improve measuring accuracy (accuracy), enlarge the measurement lower limit of trade mark.In measuring multiple parameters chamber 101, be equipped with measuring temperature sensor, humidity sensor, baroceptor, for the temperature to the oil smoke sample, humidity and air pressure, measured.
In addition, heating unit 104, for tested oil smoke sample temperature is regulated, avoid in measuring chamber occurring the dewfall phenomenon, strengthened usable range of the present utility model.
The utility model can organically combine sampling and measuring process, and the scene of being convenient to is measured and enforced the law, and adopts modular design, is convenient to Function Extension; With the self-adjusting function, measuring accuracy is high.
Although the utility model is described to singularity to a certain degree, please understands current disclosure information and only adopt diagram.In the situation that not deviation affects Spirit Essence of the present utility model and scope, when making and arranging the details of various parts, can be taked a series of change measure.
Claims (10)
1. an oil smoke field detecting device, is characterized in that, comprises the light source generator, measuring multiple parameters chamber, the delustring chamber that are arranged in order; The measuring beam that described light source generator sends enters the delustring chamber through the measuring multiple parameters chamber; Also include the oil smoke sample gas passage that the light path with measuring beam crosses in the measuring multiple parameters chamber.
2. oil smoke field detecting device according to claim 1, is characterized in that, the described angle that crosses, between the 45-135 degree, in described measuring multiple parameters chamber, is installed on luminous flux sensor, temperature sensor, humidity sensor, baroceptor.
3. oil smoke field detecting device according to claim 2, is characterized in that, is provided with reflecting condenser and lens light gathering assembly in described measuring multiple parameters chamber.
4. oil smoke field detecting device according to claim 2, is characterized in that, in the light source generator rear end, is provided with diaphragm, for effectively eliminating the light source parasitic light, reduces the scattered light background.
5. oil smoke field detecting device according to claim 4, is characterized in that, the reference measure between described measuring multiple parameters chamber is indoor, is installed on the luminous flux sensor, for the reference light mathematic(al) parameter is provided, is convenient to the error of measurement data is proofreaied and correct.
6. oil smoke field detecting device according to claim 1, is characterized in that, described light source generator is generating laser, and a sensitive surface of described delustring chamber adopts cone structure.
7. oil smoke field detecting device according to claim 1, is characterized in that, on the oil smoke sample gas passage before entering the measuring multiple parameters chamber, is provided with two-position three-way valve, and wherein a road connects the oil smoke sample gas, and a road connects clean air.
8. oil smoke field detecting device according to claim 1, is characterized in that, on the oil smoke sample gas passage after the measuring multiple parameters chamber, is provided with filtrator.
9. oil smoke field detecting device according to claim 8, is characterized in that, described filtrator comprises one or more filter tanks, in described filter tank, is provided with filter core.
10. according to claim 1 or 7 or 8 or 9 described oil smoke field detecting devices, it is characterized in that, on oil smoke sample gas passage, be provided with heating unit, for the oil smoke sample is carried out to adjustment, avoid occurring the dewfall phenomenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320236236.6U CN203376234U (en) | 2013-05-06 | 2013-05-06 | Field oil smoke detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320236236.6U CN203376234U (en) | 2013-05-06 | 2013-05-06 | Field oil smoke detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376234U true CN203376234U (en) | 2014-01-01 |
Family
ID=49838758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320236236.6U Expired - Fee Related CN203376234U (en) | 2013-05-06 | 2013-05-06 | Field oil smoke detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376234U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217369A (en) * | 2013-05-06 | 2013-07-24 | 许楷楠 | Field lampblack test device |
| CN105987868A (en) * | 2015-02-09 | 2016-10-05 | 上海北分仪器技术开发有限责任公司 | Low-concentration flue gas particle detection system |
| CN106932320A (en) * | 2016-10-28 | 2017-07-07 | 杭州克霾环保科技有限公司 | Particulate matter detector |
| CN109358069A (en) * | 2018-09-27 | 2019-02-19 | 君泰创新（北京）科技有限公司 | Process equipment maintaining method, system and process equipment maintenance control device |
| EP3483586A4 (en) * | 2016-07-06 | 2020-05-06 | Dongguan Lifa Air Technology Limited | Pm2.5 measurement device |
-
2013
- 2013-05-06 CN CN201320236236.6U patent/CN203376234U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217369A (en) * | 2013-05-06 | 2013-07-24 | 许楷楠 | Field lampblack test device |
| CN105987868A (en) * | 2015-02-09 | 2016-10-05 | 上海北分仪器技术开发有限责任公司 | Low-concentration flue gas particle detection system |
| EP3483586A4 (en) * | 2016-07-06 | 2020-05-06 | Dongguan Lifa Air Technology Limited | Pm2.5 measurement device |
| CN106932320A (en) * | 2016-10-28 | 2017-07-07 | 杭州克霾环保科技有限公司 | Particulate matter detector |
| CN109358069A (en) * | 2018-09-27 | 2019-02-19 | 君泰创新（北京）科技有限公司 | Process equipment maintaining method, system and process equipment maintenance control device |
| CN109358069B (en) * | 2018-09-27 | 2021-10-15 | 德运创鑫(北京)科技有限公司 | Process equipment maintenance method and system and process equipment maintenance control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103217369A (en) | Field lampblack test device | |
| CN203376234U (en) | Field oil smoke detection equipment | |
| CN203249846U (en) | PM2.5 monitor with environmental factor correction function | |
| CN103454203B (en) | Real-time online measurement system and method of particle size and chemical components of atmospheric particulate | |
| CN104637234B (en) | Smoke detector certification device and calibration method based on laser light scattering measurement principle | |
| CN105445158A (en) | High-accuracy real-time online detecting instrument for atmospheric pollution | |
| CN104833620B (en) | A kind of monitoring device of atmosphere particle concentration | |
| CN105021501A (en) | Sensor and detection method for mass concentration of suspended particulate matters in air | |
| CN102608010B (en) | Particulate matter (PM) detecting method and equipment | |
| CN204594848U (en) | A kind of monitoring device of atmosphere particle concentration | |
| CN105444238A (en) | Laser oil fume sensing device and oil fume detecting method thereof | |
| CN202471578U (en) | Indoor air detecting device | |
| CN201788149U (en) | Light scattering type particulate matter on-line monitor with humidity correcting function | |
| CN205826470U (en) | A kind of PM2.5 sensor | |
| CN104458520A (en) | Dust sensor and space dust detection method | |
| CN203414387U (en) | Sensing device | |
| CN203798703U (en) | Sensor for detecting mass concentration of suspended particles in air | |
| CN102539626A (en) | Multi-point air quality measuring and controlling system for large space | |
| CN205175881U (en) | Viscidity particulate matter consistency transmitter | |
| CN204903345U (en) | Reliable dust concentration detector of high stable | |
| CN102519905A (en) | Method for detecting automobile exhaust gas | |
| CN204142613U (en) | A kind of high precision small dust sensor | |
| CN201716264U (en) | Non-dispersive infrared optical sulfur hexafluoride gas concentration sensor | |
| CN104655399B (en) | A kind of automatic darkening welding filter lens transmittance properties detecting system and method | |
| CN205749201U (en) | A kind of cement granularity on-line measuring device improving measurement effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN LIDE ENVIRONMENTAL PROTECTION ENGINEERING Free format text: FORMER OWNER: XU KAINAN Effective date: 20150424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150424 Address after: Longhua District Guanlan road 518000 Guangdong Da BU Xiang tourism city of Shenzhen province No. 1301-51 130 Patentee after: SHENZHEN LEAD ENVIRONMENT PROTECTION ENGINEERING CO., LTD. Address before: Luohu District Shenzhen City, Guangdong Province, Wenjin North Road 518000 Wenjin Plaza No. 1010 Wen'an center 1810 Patentee before: Xu Kainan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20180506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |