CN211697714U - Catering oil smoke detection device - Google Patents
Catering oil smoke detection device Download PDFInfo
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- CN211697714U CN211697714U CN202020145196.4U CN202020145196U CN211697714U CN 211697714 U CN211697714 U CN 211697714U CN 202020145196 U CN202020145196 U CN 202020145196U CN 211697714 U CN211697714 U CN 211697714U
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Abstract
The utility model relates to the technical field of detection equipment, in particular to a catering oil smoke detection device, which is integrated with a dynamic heating bin, a VOCs measuring chamber, a data acquisition unit and a main control unit; the dynamic heating bin is provided with a flue gas inlet and a flue gas outlet, and is provided with a non-direct contact type sensor for detecting the mass concentration of flue gas particles, and an upstream flue gas pipeline of the dynamic heating bin is provided with a heat preservation pipe and a filtering mechanism; the air inlet of the VOCs measuring chamber is communicated with the air outlet of the dynamic heating bin; the data acquisition unit collects each data source and then transmits the data to the main control unit; the main control unit analyzes and processes the data collected by the data collection unit and then transmits the data to the monitoring platform. The device carries out highly integrated design on the oil smoke concentration detector and the monitoring host, integrates data acquisition and transmission, not only reduces the weight and the volume of a product, is more convenient to install and maintain, but also greatly improves the stability and the reliability of a system, and reduces the maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of the check out test set technique and specifically relates to a food and beverage oil smoke detection device is related to.
Background
Chinese food cooking oil smoke is large in quantity and complex in components, contains a large amount of particulate matters and smoke VOCs, pollutes indoor air, harms human health and is an important precursor of air pollution. The catering industry is a short waste gas pollution source which is closest to the living environment along with the gathering of residents. Related law enforcement and supervision departments in most regions still depend on a mode of patrolling one by manpower, a real-time effective supervision method is lacked, and catering enterprises are huge in number and are not conscious in supervision and supervision.
With the increase of the attention of supervision departments and society to catering oil fume, relevant local standards are continuously provided in various places, and the catering emission pollution sources are subdivided into three indexes of oil fume, particulate matters and non-methane total hydrocarbon. The data from the prior studies show that: catering oil fume is one of the main sources of Volatile Organic Compounds (VOCs) and PM2.5 (inhalable particles with particles smaller than 2.5 μm) in the atmosphere. Firstly, the oil fume is a direct emission source of PM2.5, and meanwhile, some volatile organic compounds in the oil fume and nitrogen dioxide in the atmosphere undergo photochemical reaction to form more complex and harmful photochemical smog, and meanwhile, the oxidability of the atmosphere is enhanced, the formation of secondary particles is accelerated, and the environment atmosphere is more and more seriously polluted. With the continuous improvement of market demands, the traditional online monitoring products obviously do not meet the actual demands, and the indexes of oil smoke, particulate matters, non-methane total hydrocarbons and the like need to be effectively monitored online urgently.
Catering oil smoke on-line monitoring technique generally adopts semiconductor sensor to detect its of oil smoke concentration and realizes detecting through with the gas direct contact reaction that awaits measuring and produce the signal of telecommunication proportional with gas concentration, but the problem that exists is more, includes:
1. a heating electrode is arranged in the semiconductor sensor, and the detection process needs to be maintained in a stable temperature range, so that the semiconductor sensor is extremely sensitive to temperature, the data can be seriously distorted due to overhigh or overlow detection environment temperature, and the service life of the sensor is shortened;
2. in addition, the electrolyte on the semiconductor sensor can be exhausted even if the semiconductor sensor is exposed to a target gas or interference gas cross environment for a long time, namely the longer the exposure time is, the shorter the service life is, and finally the sensor is failed;
3. the catering oil fume is liquid and solid particles formed and discharged by physical or chemical changes of grease and various organic substances and particles generated by combustion of cooking fuel in the cooking process of food, and a detection object of the semiconductor sensor is a gaseous substance and is not a particle;
4. in the catering oil fume environment, the interior of the semiconductor sensor is extremely easy to be fatally damaged due to accumulation of particles.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a food and beverage oil smoke detection device to solve the traditional on-line monitoring product that exists among the prior art and can't realize accomplishing effective on-line monitoring's technical problem to indexs such as oil smoke, particulate matter, the total hydrocarbon of non-methane.
In order to solve the technical problem, the utility model provides a technical scheme lies in:
the utility model provides a catering oil smoke detection device, which is integrated with a dynamic heating bin, a VOCs measuring chamber, a data acquisition unit and a main control unit;
the dynamic heating bin is provided with a flue gas inlet and a flue gas outlet, a non-direct contact type sensor for detecting the mass concentration of flue gas particles is arranged in the dynamic heating bin, and an upstream flue gas pipeline of the dynamic heating bin is provided with a heat preservation pipe and a filtering mechanism for intercepting large-particle-size substances;
the air inlet of the VOCs measuring chamber is communicated with the air outlet of the dynamic heating bin;
the data acquisition unit collects each data source and then transmits the data to the main control unit;
and the main control unit analyzes and processes the data acquired by the data acquisition unit and then transmits the data to a monitoring platform.
Further, in the present invention,
the non-direct contact sensor is set as a laser light scattering sensor.
Further, in the present invention,
and a temperature control unit for regulating and controlling the temperature in the dynamic heating bin is arranged in the dynamic heating bin.
Further, in the present invention,
and a pneumatic mechanism for driving the flue gas to enter the dynamic heating bin from the upstream flue is also arranged in the dynamic heating bin.
Further, in the present invention,
an electrochemical sensor, a temperature sensor and a humidity sensor are arranged in the VOCs measuring chamber,
the electrochemical sensor, the temperature sensor and the humidity sensor are in signal connection with the data acquisition unit.
Further, in the present invention,
the low reaches flue gas pipeline of VOCs measurement chamber still is provided with and is used for preventing that external impurity from getting into VOCs measurement chamber indoor dustproof mechanism.
Further, in the present invention,
still be provided with in the food and beverage oil smoke detection device and demolish alarm sensor, demolish alarm sensor with data acquisition unit signal connection.
Further, in the present invention,
the purifier is characterized by further comprising a purifier working condition sensor for detecting the real-time working condition of the oil fume purifier installed in the flue, wherein the purifier working condition sensor is in signal connection with the main control unit.
Further, in the present invention,
the fan working condition sensor is used for detecting the real-time working condition of a fan arranged in the flue;
the fan working condition sensor is in signal connection with the main control unit.
Further, in the present invention,
the intelligent monitoring system also comprises a power supply unit, wherein the power supply unit supplies power to the data acquisition unit, the main control unit and the temperature control unit.
Technical scheme more than combining, the utility model discloses beneficial effect analysis that can reach at least as follows:
the device carries out highly integrated design on the oil smoke concentration detector and the monitoring host, integrates data acquisition and transmission, not only reduces the weight and the volume of a product, is more convenient to install and maintain, but also greatly improves the stability and the reliability of a system, and reduces the maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a connection between a catering oil fume detection device and an oil fume purifier and a fan in a flue provided by an embodiment of the utility model;
fig. 2 is a schematic diagram of the catering oil smoke detection device provided by the embodiment of the utility model.
Icon: 100-dynamic heating chamber; 110-a temperature control unit; 120-a pneumatic mechanism; 130-laser light scattering sensor; 200-VOCs measuring chamber; 210-an electrochemical sensor; 220-a temperature sensor; 230-a humidity sensor; 300-a filter mechanism; 400-a dust prevention mechanism; 500-a data acquisition unit; 600-a master control unit; 710-removing the alarm sensor; 720-purifier condition sensor; 730-a fan working condition sensor; 800-a power supply unit; 001-flue; 002-lampblack purifier; 003-a fan; 004-a catering oil smoke detection device; 900-flue gas data acquisition unit; 910-cover opening alarm sensor; 920-a smoke temperature mechanism; 930-Pitot tube mechanism.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The catering oil smoke online monitoring application has particularity, and firstly, the problems that the structural design of an instrument meets the field use requirement, such as reliable oil smoke sampling, convenient measurement, good protective performance, difficult pollution of parts, convenient and quick installation, convenient maintenance and the like, are solved; secondly, the problem that the detector meets the requirements of site working condition environment and monitors working condition indexes in real time is solved, for example, the detector meets site temperature, humidity, fan state and power consumption, purifier state and power consumption, and flue gas parameters such as flue gas pressure, atmospheric pressure and flue gas flow rate can be expanded and the working condition indexes can be monitored in real time; and thirdly, in order to ensure the reliable and stable operation of the monitoring system, the equipment state is monitored in real time, and the conditions of failure, disassembly, offline and the like are fed back in time.
In view of this,
this embodiment provides a food and beverage oil smoke detection device 004, and this food and beverage oil smoke detection device 004 includes: a dynamic heating chamber 100; the dynamic heating bin 100 is provided with a flue gas inlet and a flue gas outlet, and a non-direct contact sensor for detecting the mass concentration of flue gas particles and a temperature control unit 110 for regulating and controlling the temperature in the dynamic heating bin 100 are arranged in the dynamic heating bin 100.
Referring to fig. 1, the flue gas enters the dynamic heating chamber 100 through the flue gas inlet, and the indirect contact sensor in the dynamic heating chamber 100 detects the mass concentration of the particulate matter in the flue gas. In the whole detection process, the particles are not in direct contact with the non-direct contact sensor, the sensor is not easy to be polluted, and the service life is longer.
And a temperature control unit 110 for regulating and controlling the temperature in the dynamic heating bin 100 is also arranged in the dynamic heating bin 100, so that the influence of the cold sedimentation of humidity and pollutants on the measurement accuracy and the service life of the sensor is greatly reduced.
With the above technical solution, the catering oil smoke detection device 004 provided by this embodiment can at least achieve the technical effects of prolonging the service life of the sensor and improving the accuracy.
In the alternatives of this embodiment, it is preferable that:
the non-direct contact sensor is provided as a laser light scattering sensor 130.
The working principle of the laser light scattering sensor 130 is briefly described as follows:
firstly, laser is emitted by a laser source, and a thin-layer surface light source is formed through a lens group. When the thin-layer light source flows through the aerosol to be detected in the sensor chamber, scattering is generated, the light intensity of the light is detected by the photoelectric detector, and the photoelectric detector generates an electric signal after being illuminated by the light, and the electric signal is in direct proportion to the mass concentration of the particles. In the whole detection process, the particles are not in direct contact with the laser source and the light detector, the sensor is not easy to be polluted, and the service life is longer.
In the alternatives of this embodiment, it is preferable that:
the upstream flue gas pipeline of the dynamic heating bin 100 is provided with a heat preservation pipe and a physical filtering mechanism 300 for intercepting large-particle-size substances. The physical filtering device is used as a material for operation and maintenance, has the function of intercepting large-particle-size substances, prevents rear-end pollution and prolongs the continuous service cycle of products. The whole-course heat preservation pipeline solves the risk that the flue 001 gas generates dewing due to temperature drop and blocks the pipeline under the condition that the external environment is low.
In the alternatives of this embodiment, it is preferable that:
the dynamic heating bin 100 is further provided with a pneumatic mechanism 120 for driving the flue gas from the upstream flue 001 into the dynamic heating bin 100. The pneumatic mechanism 120 may be, for example, a fan 003. The pneumatic action of the fan 003 drives the flue gas to enter the dynamic heating bin 100 from the upstream flue 001.
In the alternatives of this embodiment, it is preferable that:
catering oil smoke detection device 004 still includes VOCs measuring chamber 200, VOCs measuring chamber 200's air inlet with the gas outlet intercommunication of dynamic heating storehouse 100, VOCs measuring chamber 200's gas outlet and external intercommunication. VOCs are short for volatile organic compounds. The VOCs measurement chamber 200 is configured with an electrochemical sensor 210, a temperature sensor 220, and a humidity sensor 230. The electrochemical sensor 210 is used for analyzing and detecting gas, and the temperature sensor 220 and the humidity sensor 230 are used for compensating the data result measured by the electrochemical sensor 210.
In the alternatives of this embodiment, it is preferable that:
the downstream flue gas pipeline of VOCs measuring chamber 200 still is provided with and is used for preventing external impurity from getting into dustproof mechanism 400 in VOCs measuring chamber 200. The installation position of the dust-proof mechanism 400 is shown in fig. 1. the dust-proof mechanism 400 can be, for example, a filter screen or a check valve. The one-way valve only allows the outflow of the gas flow from the VOCs measurement cell 200, but does not allow the reverse inflow from the outside.
In the alternatives of this embodiment, it is preferable that:
a data acquisition unit 500 and a main control unit 600 are arranged in the catering oil smoke detection device 004;
the laser light scattering sensor 130, the electrochemical sensor 210, the temperature sensor 220 and the humidity sensor 230 are all in signal connection with the data acquisition unit 500;
the data acquisition unit 500 collects data sources and transmits the data to the main control unit 600;
the main control unit 600 analyzes and processes the data collected by the data collection unit and transmits the data to the monitoring platform.
In addition, the data acquisition unit 500 may perform preliminary calculation on the acquired data and communicate with the main control unit 600 through an RS485 transmission manner. The main control unit 600 is provided with a microprocessor and a memory, and can perform operation processing and data storage on various signals.
In the alternatives of this embodiment, it is preferable that:
a dismantling alarm sensor 710 is further arranged in the catering oil smoke detection device 004, and the dismantling alarm sensor 710 is in signal connection with the data acquisition unit 500. When the removal alarm sensor 710 collects that there is an action of removing the lampblack detection device from the outside, the removal alarm sensor 710 is triggered and transmits data to the data acquisition unit 500.
In the alternatives of this embodiment, it is preferable that:
still be provided with power supply unit 800 in the food and beverage oil smoke detection device 004, power supply is mainly responsible for converting AC220V into DC12V, wherein:
the power supply unit 800 is electrically connected to the temperature control unit 110, the data acquisition unit 500, and the main control unit 600, and supplies power to the temperature control unit 110, the data acquisition unit 500, and the main control unit 600.
In the alternatives of this embodiment, it is preferable that:
catering oil smoke detection device 004 still additionally expands has flue gas data acquisition unit 900, and flue gas data acquisition unit 900 can carry out data acquisition, calculation, logic processing, realizes detecting indexes such as monitoring catering oil smoke, particulate matter, non-methane total hydrocarbon, fan 003 clarifier operating current, operating condition, power consumption, and functions such as cuisine selection, parameter configuration, long-range school time to final standard compiles, through external antenna, with data transmission to monitor platform through 4G wireless module.
In the alternatives of this embodiment, it is preferable that:
the catering oil smoke detection device 004 is additionally provided with a pitot tube mechanism 930 and a smoke temperature mechanism 920 in an expanding mode, the pitot tube mechanism 930 is in signal connection with the smoke data acquisition unit 900, and collected smoke dynamic pressure, smoke static pressure, atmospheric pressure, smoke flow rate, smoke flow and the like are transmitted to the smoke data acquisition unit 900. The smoke temperature mechanism 920 is in signal connection with the smoke data acquisition unit and delivers the acquired smoke temperature to the smoke data acquisition unit 900.
In the alternatives of this embodiment, it is preferable that:
catering oil smoke detection device 004 still is provided with uncapping alarm sensor 910, uncapping alarm sensor 910 and flue gas data acquisition unit 900 signal connection, just when catering oil smoke detection device 004 is opened to the external world, should uncap alarm sensor 910 and be triggered, here transmits the signal to flue gas data acquisition unit 900 simultaneously.
In the alternatives of this embodiment, it is preferable that:
the catering oil smoke detection device 004 further comprises a purifier working condition sensor 720 for detecting the real-time working condition of an oil smoke purifier 002 installed in the flue 001 and a fan working condition sensor 730 for detecting the real-time working condition of a fan 003 installed in the flue 001;
the purifier working condition sensor 720 and the fan working condition sensor 730 are in signal connection with the active unit.
In this case, the installation positions of the oil fume purifier 002 and the fan 003 are shown in fig. 2.
The working principle is briefly explained with reference to the attached figure 2:
along the flue gas flow direction, oil smoke clarifier 002, fan 003 and oil smoke detection device have arranged in proper order on flue 001, and wherein, oil smoke clarifier 002 is connected through first power cord with oil smoke detection device, and fan 003 passes through the second power cord with oil smoke detection device and is connected. Purifier operating mode sensor 720 is installed in the first power cord, and fan operating mode sensor 730 is installed in the second power cord. The purifier condition sensor 720 and the fan condition sensor 730 acquire a voltage signal through the electromagnetic induction principle and are connected to the oil smoke detection device.
The device carries out highly integrated design on the oil smoke concentration detector and the monitoring host, integrates data acquisition and transmission, not only reduces the weight and the volume of a product, is more convenient to install and maintain, but also greatly improves the stability and the reliability of a system, and reduces the maintenance cost.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A catering lampblack detection device is characterized in that the catering lampblack detection device is integrated with a dynamic heating bin (100), a VOCs (volatile organic chemicals) measuring chamber (200), a data acquisition unit (500) and a main control unit (600);
the dynamic heating bin (100) is provided with a flue gas inlet and a flue gas outlet, a non-direct contact type sensor for detecting the mass concentration of flue gas particles is arranged in the dynamic heating bin (100), and an upstream flue gas pipeline of the dynamic heating bin (100) is provided with a heat insulation pipe and a filtering mechanism (300) for intercepting large-particle-size substances;
the air inlet of the VOCs measuring chamber (200) is communicated with the air outlet of the dynamic heating bin (100);
the data acquisition unit (500) collects data sources and transmits the data to the main control unit (600);
the main control unit (600) analyzes and processes the data collected by the data collection unit and then transmits the data to the monitoring platform.
2. The catering oil smoke detection device according to claim 1,
the non-direct contact sensor is configured as a laser light scattering sensor (130).
3. The catering oil smoke detection device according to claim 2,
and a temperature control unit (110) for regulating and controlling the temperature in the dynamic heating bin (100) is arranged in the dynamic heating bin (100).
4. The catering oil smoke detection device according to claim 3,
the dynamic heating bin (100) is also internally provided with a pneumatic mechanism (120) which is used for driving the flue gas to enter the dynamic heating bin (100) from an upstream flue (001).
5. The catering oil smoke detection device according to claim 4,
an electrochemical sensor (210), a temperature sensor (220) and a humidity sensor (230) are arranged in the VOCs measuring chamber (200),
the electrochemical sensor (210), the temperature sensor (220) and the humidity sensor (230) are in signal connection with the data acquisition unit (500).
6. The catering oil smoke detection device according to claim 5,
the downstream flue gas pipeline of VOCs measuring chamber (200) still is provided with and is used for preventing external impurity from getting into dustproof mechanism (400) in VOCs measuring chamber (200).
7. The catering oil smoke detection device according to claim 6,
still be provided with in the food and beverage oil smoke detection device and demolish alarm sensor (710), demolish alarm sensor (710) with data acquisition unit (500) signal connection.
8. The catering oil smoke detection device according to claim 1,
still including being used for detecting purifier operating mode sensor (720) of installing in the real-time operating mode of oil smoke clarifier (002) of flue (001), purifier operating mode sensor (720) with main control unit (600) signal connection.
9. The catering oil smoke detection device according to claim 8,
the device also comprises a fan working condition sensor (730) for detecting the real-time working condition of the fan (003) arranged in the flue (001);
the fan working condition sensor (730) is in signal connection with the main control unit (600).
10. The catering oil smoke detection device according to claim 7,
the temperature control device is characterized by further comprising a power supply unit (800), wherein the power supply unit (800) supplies power to the data acquisition unit (500), the main control unit (600) and the temperature control unit (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145196.4U CN211697714U (en) | 2020-01-22 | 2020-01-22 | Catering oil smoke detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020145196.4U CN211697714U (en) | 2020-01-22 | 2020-01-22 | Catering oil smoke detection device |
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| CN211697714U true CN211697714U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166710A (en) * | 2021-12-16 | 2022-03-11 | 北京市计量检测科学研究院 | Intelligent detection device for catering oil fume purification equipment and oil fume concentration measuring instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166710A (en) * | 2021-12-16 | 2022-03-11 | 北京市计量检测科学研究院 | Intelligent detection device for catering oil fume purification equipment and oil fume concentration measuring instrument |
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