CN105444238A - Laser oil fume sensing device and oil fume detecting method thereof - Google Patents
Laser oil fume sensing device and oil fume detecting method thereof Download PDFInfo
- Publication number
- CN105444238A CN105444238A CN201610011274.XA CN201610011274A CN105444238A CN 105444238 A CN105444238 A CN 105444238A CN 201610011274 A CN201610011274 A CN 201610011274A CN 105444238 A CN105444238 A CN 105444238A
- Authority
- CN
- China
- Prior art keywords
- oil smoke
- laser
- sensing device
- discharging pipe
- smoke
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a laser oil fume sensing device for detecting the concentration of oil fume in a fume exhausting channel. The device comprises a laser emitter for emitting a laser source to irradiate the oil fume materials in the fume exhausting pipeline, a laser receiver for receiving the laser scattered by the oil fume materials in the fume exhausting pipeline and converting a scattered laser intensity signal into an electric signal according to the correspondence relation between the scattered laser intensity and the concentration of the oil fume materials, and an exhausting device for calculating the concentration of the oil fume materials in the fume exhausting pipeline according to the electric signal and then exhausting the oil fume materials. The invention further discloses an oil fume detecting method adopting the aforementioned sensing device. The sensing device and the oil fume detecting method thereof have the advantages that an exhausting signal is influenced a little by the field environment, the pollution resistance is high, and the flexibility and accuracy are improved.
Description
Technical field
The present invention relates to a kind of laser oil smoke sensing device.
Background technology
Along with the fast development of catering industry, fume pollution problem becomes increasingly conspicuous, and has become one of focus of environmental protection complaint.The routine monitoring that cooking fume pollutes also more and more is subject to all circles and pays close attention to.
Because cooking fume discharge belongs to intermittent discharge, low during height during concentration, and traditional detection method is high to on-the-spot test conditional request, sample need take back lab analysis, and sense cycle is long.Therefore seek a kind ofly to be suitable for the on-the-spot detection method real-time fast of cooking fume, become the task of top priority.The electrochemical principle of the many employings of oil smoke detector being installed on discharge scene common at present, electrochemical sensor is placed in exhaust gases passes, the impact that output signal is changed by temperature in smoke discharging pipe, humidity, flue gas flow rate greatly, and necessary and smoke contacts during electrochemical sensor detection oil smoke concentration, easily be contaminated by smoke, oil smoke detection accuracy is difficult to ensure.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, the invention provides a kind of laser oil smoke sensing device, this sensing device output signal affects less by site environment, and by force, sensitivity, precision are higher for anti-pollution ability.
For achieving the above object, the technical solution adopted in the present invention is: a kind of laser oil smoke sensing device, for detecting the oil smoke concentration in smoke discharging pipe, comprising: optical transmitting set, irradiates the oil smoke material in smoke discharging pipe for transmitting illuminant; Scattered light intensity convert information, for receiving by the scattered light of oil smoke material in smoke discharging pipe, and according to the intensity of scattered light and the corresponding relation of oil smoke material concentration, is the signal of telecommunication by optical receiver; Follower, for calculating the concentration of oil smoke material in smoke discharging pipe according to the size of the described signal of telecommunication and exporting.
Preferably, also include blower fan, the purging pore of described blower fan is arranged on the forward position of optical receiver receiving scattered light, for clean air being caused optical receiver front with the oil smoke material of separate row smoke pipeline.
Preferably, described optical transmitting set is generating laser.
Preferably, the laser emitting power of described optical transmitting set is 20mw to 200wm.
Preferably, described optical receiver comprises optical sensor and convex lens, and described convex lens are arranged on optical sensor front portion and are gathered on optical sensor by the scattered light of smoke particle in smoke discharging pipe.
Preferably, described optical sensor and convex lens are set on same center line.
Preferably, the centerlines of described optical transmitting set and optical sensor and convex lens is set to
1 degree to 20 degree.
Preferably, described follower is data processing unit and data output interface.
A detection oil smoke method for laser oil smoke sensing device, it is characterized in that, step is as follows:
Step one, optical transmitting set is to smoke discharging pipe transmitting illuminant, and light source irradiation is on the oil smoke material of smoke discharging pipe.
Step 2, optical receiver receives the scattered light from smoke discharging pipe, and is converted into the signal of telecommunication according to the scattered light intensity of oil smoke material reflection.
Step 3, the size of the described signal of telecommunication is calculated the concentration of oil smoke material in smoke discharging pipe and exports by follower.
Compared with prior art, the beneficial effect of a kind of laser oil smoke sensing device of the present invention is:
1, laser oil smoke sensing device of the present invention is arranged on outside smoke discharging pipe, avoids the impact by hot and humid oil smoke material in smoke discharging pipe, and improve the service life of sensing device, affect less by site environment, anti-pollution ability is strong simultaneously.
2, the present invention by optical transmitting set and optical receiver with the use of, light source adopts the laser that brightness is higher, stability, monochromaticjty are stronger, and high brightness laser is radiated on soot particles and produces light scattering; By the convex lens of optical receiver, scattered light is focused on the optical sensor of optical receiver again, sensitivity and the accuracy of the concentration detecting oil smoke material can be improved.
3, described laser oil smoke sensing device of the present invention also includes blower fan, and the purging pore of described blower fan is arranged on the forward position of optical receiver receiving scattered light, for clean air being caused optical receiver front with the oil smoke material of separate row smoke pipeline.Sensitivity and the accuracy of optical sensor can be improved further, avoid oil smoke material to be attached to convex lens surface.
Accompanying drawing explanation
Fig. 1 is the structural representation of sensing device.
Fig. 2 is the steps flow chart schematic diagram detecting oil smoke method.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Specifically describe according to the embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of laser oil smoke sensing device, for detecting the oil smoke concentration in smoke discharging pipe, described smoke discharging pipe is in smoke discharging pipe, the smoke discharging pipe that laser oil smoke sensing device is mounted in smoke discharging pipe is outside, is equipped with through hole by offering on smoke discharging pipe, and through hole is communicated with smoke discharging pipe, optical transmitting set 1, irradiates the oil smoke material 4 in smoke discharging pipe for transmitting illuminant 6; Optical receiver 2, for receiving by the scattered light 5 of oil smoke material 4 in smoke discharging pipe, and according to the intensity of scattered light 5 and the corresponding relation of oil smoke material 4 concentration, this corresponding relation is that the intensity of scattered light 5 and oil smoke concentration are proportional, and scattered light 5 strength information is converted into the signal of telecommunication; Follower (not shown), for calculating the concentration of oil smoke material 4 in smoke discharging pipe according to the size of the described signal of telecommunication and exporting, described follower is data processing unit and data output interface.The way of output can be variation, as RS232 or RS485 digital interface, 4 ~ 20mA or 1 ~ 5V analog interface, switching value etc.
In order to improve detection sensitivity and the accuracy of laser oil smoke sensing device further, also include blower fan (not shown), the purging pore 3 of described blower fan is arranged on the forward position of optical receiver 2 receiving scattered light 5, for clean air being caused optical receiver 2 front with the oil smoke material 4 of separate row smoke pipeline.Sensitivity and the accuracy of optical sensor 21 can be improved so further, avoid oil smoke material 4 to be attached to convex lens 22 surface.The form of blower fan also can be variation.
The laser oil smoke sensing device provided according to the abovementioned embodiments of the present invention is described further above-mentioned technical characteristic or additional technical feature:
Described optical transmitting set 1 is generating laser.Light source 6 adopts the laser that brightness is higher, stability, monochromaticjty are stronger, and wherein, the laser emitting power of described optical transmitting set 1 is 20mw to 200wm.The needs detecting hot and humid oil smoke material 4 in different smoke discharging pipe can be met.
Described optical receiver 2 comprises optical sensor 21 and convex lens 22, and described convex lens 22 are arranged on optical sensor 21 front portion and are gathered on optical sensor 21 by the scattered light 6 of smoke particle in smoke discharging pipe.Described optical sensor 21 is set on same center line with convex lens 22.Making scattered light 5 be gathered on optical sensor 21 by increasing convex lens 22 in optical sensor 21 front portion, improving sensitivity and the accuracy of optical sensor 21.
Described optical transmitting set 1 is set to 1 degree to 20 degree with the centerlines of optical sensor 21 and convex lens 22.This angle is for irradiating best angle, and when laser is radiated on oil smoke material 4, scattered light 5 effect of oil smoke material 4 is best.
As shown in Figure 2, provide laser oil smoke sensing device to the detection oil smoke method of its device according to the abovementioned embodiments of the present invention, step is as follows:
First, optical transmitting set 1 is to smoke discharging pipe transmitting illuminant 6, and light source 6 is radiated on the oil smoke material 4 of smoke discharging pipe.
Wish, optical receiver 2 receives the scattered light 5 from smoke discharging pipe, and is converted into the signal of telecommunication according to scattered light 5 intensity that oil smoke material 4 reflects.
Finally, the size of the described signal of telecommunication is calculated the concentration of oil smoke material 4 in smoke discharging pipe and exports by follower (not shown).
Also comprise detection sensitivity and the accuracy of promising further raising laser oil smoke sensing device, also include blower fan, the purging pore 3 of described blower fan is arranged on the forward position of optical receiver 2 receiving scattered light 5, for clean air being caused optical receiver 2 front with the oil smoke material 4 of separate row smoke pipeline.Sensitivity and the accuracy of optical sensor 21 can be improved so further, avoid oil smoke material 4 to be attached to convex lens 22 surface.The form of blower fan also can be variation.
Wherein, described optical transmitting set 1 is generating laser.Light source 6 adopts the laser that brightness is higher, stability, monochromaticjty are stronger, and wherein, the laser emitting power of described optical transmitting set 1 is 20mw to 200wm.The needs detecting hot and humid oil smoke material 4 in different smoke discharging pipe can be met.
Described optical receiver 2 comprises optical sensor 21 and convex lens 22, and described convex lens 22 are arranged on optical sensor 21 front portion and are gathered on optical sensor 21 by the scattered light 6 of smoke particle in smoke discharging pipe.Described optical sensor 21 is set on same center line with convex lens 22.Making scattered light 5 be gathered on optical sensor 21 by increasing convex lens 22 in optical sensor 21 front portion, improving sensitivity and the accuracy of optical sensor 21.
Described optical transmitting set 1 is set to 1 degree to 20 degree with the centerlines of optical sensor 21 and convex lens 22.This angle is for irradiating best angle, and when laser is radiated on oil smoke material 4, scattered light 5 effect of oil smoke material 4 is best.
Described follower is data processing unit and data output interface.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a laser oil smoke sensing device, for detecting the oil smoke concentration in smoke discharging pipe, is characterized in that, comprising:
Optical transmitting set, irradiates the oil smoke material in smoke discharging pipe for transmitting illuminant;
Scattered light intensity convert information, for receiving the scattered light of oil smoke material in smoke discharging pipe, and according to the intensity of scattered light and the corresponding relation of oil smoke material concentration, is the signal of telecommunication by optical receiver;
Follower, for calculating the concentration of oil smoke material in smoke discharging pipe according to the size of the described signal of telecommunication and exporting.
2. a kind of laser oil smoke sensing device as claimed in claim 1, it is characterized in that, also include blower fan, the purging pore of described blower fan is arranged on the forward position of optical receiver receiving scattered light, for clean air being caused optical receiver front with the oil smoke material of separate row smoke pipeline.
3. a kind of laser oil smoke sensing device as described in claim 1 or 2, it is characterized in that, described optical transmitting set is generating laser.
4. a kind of laser oil smoke sensing device as claimed in claim 1, it is characterized in that, the laser emitting power of described optical transmitting set is 20mw to 200wm.
5. a kind of laser oil smoke sensing device as described in claim 1 or 2, it is characterized in that, described optical receiver comprises optical sensor and convex lens, and described convex lens are arranged on optical sensor front portion and are gathered on optical sensor by the scattered light of smoke particle in smoke discharging pipe.
6. a kind of laser oil smoke sensing device as claimed in claim 5, it is characterized in that, described optical sensor and convex lens are set on same center line.
7. a kind of laser oil smoke sensing device as claimed in claim 6, is characterized in that, the centerlines of described optical transmitting set and optical sensor and convex lens is set to 1 degree to 20 degree.
8. a kind of laser oil smoke sensing device as claimed in claim 1, it is characterized in that, described follower is data processing unit and data output interface.
9. adopt the detection oil smoke method of a kind of laser oil smoke sensing device described in any one of claim 1 to 8, it is characterized in that, step is as follows:
Step one, optical transmitting set is to smoke discharging pipe transmitting illuminant, and light source irradiation is on the oil smoke material of smoke discharging pipe;
Step 2, optical receiver receives the scattered light from smoke discharging pipe, and is converted into the signal of telecommunication according to the scattered light intensity of oil smoke material reflection;
Step 3, the size of the described signal of telecommunication is calculated the concentration of oil smoke material in smoke discharging pipe and exports by follower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011274.XA CN105444238A (en) | 2016-01-07 | 2016-01-07 | Laser oil fume sensing device and oil fume detecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011274.XA CN105444238A (en) | 2016-01-07 | 2016-01-07 | Laser oil fume sensing device and oil fume detecting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105444238A true CN105444238A (en) | 2016-03-30 |
Family
ID=55554731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610011274.XA Pending CN105444238A (en) | 2016-01-07 | 2016-01-07 | Laser oil fume sensing device and oil fume detecting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105444238A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290260A (en) * | 2016-08-24 | 2017-01-04 | 华帝股份有限公司 | Flue gas detection device |
| CN108226212A (en) * | 2017-12-29 | 2018-06-29 | 山东盛泰仪器有限公司 | A kind of edible vegetable oil and fat smoke point detection device |
| CN108731062A (en) * | 2018-06-13 | 2018-11-02 | 苏州若依玫信息技术有限公司 | A kind of intelligent fume exhauster system measured based on weak light source |
| CN108760687A (en) * | 2018-04-08 | 2018-11-06 | 深圳市天环通科技有限公司 | Laser light scattering cooking fume instrument |
| CN110242991A (en) * | 2019-06-12 | 2019-09-17 | 深圳市和遂科技有限公司 | A kind of kitchen ventilator automatically adjusting gear |
| CN110594455A (en) * | 2019-09-25 | 2019-12-20 | 佛山市顺德区美的洗涤电器制造有限公司 | Check valve component and kitchen appliance |
| CN110617533A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen appliance |
| CN110617526A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen device |
| CN110617522A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen appliance |
| CN110617536A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen appliance |
| US12056998B2 (en) | 2020-03-31 | 2024-08-06 | Inspur Suzhou Intelligent Technology Co., Ltd. | Fire monitoring system and container-type data center system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005077279A (en) * | 2003-09-01 | 2005-03-24 | Mitsubishi Electric Corp | Smoke sensing system |
| CN202581457U (en) * | 2012-05-15 | 2012-12-05 | 合肥荣事达三洋电器股份有限公司 | Infrared sensor mounting structure for microwave oven |
| CN103217369A (en) * | 2013-05-06 | 2013-07-24 | 许楷楠 | Field lampblack test device |
| CN204574185U (en) * | 2015-04-23 | 2015-08-19 | 赵科文 | A kind of lampblack absorber intelligent controlling device |
| CN204648386U (en) * | 2015-05-12 | 2015-09-16 | 上海广聆环保科技有限公司 | A kind of cooking fume remover purifying monitoring integration |
| CN205481203U (en) * | 2016-01-07 | 2016-08-17 | 深圳市天环通科技有限公司 | Laser oil smoke sensing device |
-
2016
- 2016-01-07 CN CN201610011274.XA patent/CN105444238A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005077279A (en) * | 2003-09-01 | 2005-03-24 | Mitsubishi Electric Corp | Smoke sensing system |
| CN202581457U (en) * | 2012-05-15 | 2012-12-05 | 合肥荣事达三洋电器股份有限公司 | Infrared sensor mounting structure for microwave oven |
| CN103217369A (en) * | 2013-05-06 | 2013-07-24 | 许楷楠 | Field lampblack test device |
| CN204574185U (en) * | 2015-04-23 | 2015-08-19 | 赵科文 | A kind of lampblack absorber intelligent controlling device |
| CN204648386U (en) * | 2015-05-12 | 2015-09-16 | 上海广聆环保科技有限公司 | A kind of cooking fume remover purifying monitoring integration |
| CN205481203U (en) * | 2016-01-07 | 2016-08-17 | 深圳市天环通科技有限公司 | Laser oil smoke sensing device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290260A (en) * | 2016-08-24 | 2017-01-04 | 华帝股份有限公司 | Flue gas detection device |
| CN108226212A (en) * | 2017-12-29 | 2018-06-29 | 山东盛泰仪器有限公司 | A kind of edible vegetable oil and fat smoke point detection device |
| CN108760687A (en) * | 2018-04-08 | 2018-11-06 | 深圳市天环通科技有限公司 | Laser light scattering cooking fume instrument |
| CN108731062A (en) * | 2018-06-13 | 2018-11-02 | 苏州若依玫信息技术有限公司 | A kind of intelligent fume exhauster system measured based on weak light source |
| CN110242991A (en) * | 2019-06-12 | 2019-09-17 | 深圳市和遂科技有限公司 | A kind of kitchen ventilator automatically adjusting gear |
| CN110594455A (en) * | 2019-09-25 | 2019-12-20 | 佛山市顺德区美的洗涤电器制造有限公司 | Check valve component and kitchen appliance |
| CN110617533A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen appliance |
| CN110617526A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen device |
| CN110617522A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen appliance |
| CN110617536A (en) * | 2019-09-25 | 2019-12-27 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen appliance |
| CN110617526B (en) * | 2019-09-25 | 2021-03-19 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen device |
| US12056998B2 (en) | 2020-03-31 | 2024-08-06 | Inspur Suzhou Intelligent Technology Co., Ltd. | Fire monitoring system and container-type data center system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105444238A (en) | Laser oil fume sensing device and oil fume detecting method thereof | |
| CN201955289U (en) | Laser scattering dust measuring instrument | |
| CN205826470U (en) | A kind of PM2.5 sensor | |
| CN104833620B (en) | A kind of monitoring device of atmosphere particle concentration | |
| CN109856024A (en) | A kind of oil smoke sampling detector for multifunctional and its method of sampling | |
| CN205481203U (en) | Laser oil smoke sensing device | |
| CN104913953A (en) | Low-concentration particulate matter sampling detection device and particulate matter sampling head of device | |
| JP2012509486A (en) | Method and system for analyzing solid particles in a medium | |
| CN105547949A (en) | Removable low-concentration dust meter | |
| CN102608010B (en) | Particulate matter (PM) detecting method and equipment | |
| CN104458520A (en) | Dust sensor and space dust detection method | |
| CN204944994U (en) | A kind of high-humidity gas fume dust concentration on-line measuring device | |
| CN201917508U (en) | Scattering dust measurement instrument | |
| CN203909009U (en) | Continuous online monitoring system for flue gas | |
| CN204594848U (en) | A kind of monitoring device of atmosphere particle concentration | |
| CN205175881U (en) | Viscidity particulate matter consistency transmitter | |
| CN104849185A (en) | Air pollution index detection display system based on gas sensor | |
| CN203376234U (en) | Field oil smoke detection equipment | |
| CN102519905A (en) | Method for detecting automobile exhaust gas | |
| CN205138965U (en) | Oil smoke contaminant detection appearance | |
| CN207300816U (en) | A kind of particulate matter sensors based on pulsed laser deposition | |
| CN205426736U (en) | Aerosol concentration by mass optical detection device | |
| CN106644867B (en) | Device and method for detecting particulate matters in gas | |
| CN1106138A (en) | In-line monitoring method of gas turbidity and dusty concentration and its monitor | |
| CN208255015U (en) | A kind of oil smoke detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |