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Cooking fume detection device and detection method for catering industry

A technology for testing equipment and the catering industry, which is applied in the direction of measuring devices, sampling devices, instruments, etc., can solve the problems of data accuracy decline, detection cavity pollution, etc., and achieve the effects of reducing influence, fast detection speed, and improving detection accuracy

Active Publication Date: 2020-06-19
陕西环研检测技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned existing technical solutions have the following defects: the above-mentioned patents directly use lasers for detection, and due to the certain adhesion of oil fumes, after a period of time, the detection chamber will inevitably be polluted, resulting in a decrease in the accuracy of the data

Method used

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  • Cooking fume detection device and detection method for catering industry
  • Cooking fume detection device and detection method for catering industry
  • Cooking fume detection device and detection method for catering industry

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Embodiment 1

[0043] Embodiment one: refer to figure 1 and figure 2 , is a cooking fume detection device for the catering industry disclosed in the present invention, comprising a cuboid box body 1 and a box cover 2 detachably connected to the box body 1, specifically, one side of the box cover 2 is hinged to the box body 1 It is hinged, and its other side is connected with the box body 1 through a lock. A sampling tube 3 made of rubber is connected to the box body 1, and the end of the sampling tube 3 far away from the box body 1 is connected to a sampling head 4 (see image 3 ), the end of the sampling pipe 3 close to the box body 1 is connected with the first three-way 5, and the end of the first three-way 5 away from the sampling pipe 3 is respectively connected with the first air inlet pipe 6 and the second air inlet pipe 7, and the box body 1 faces the box The inner wall of the cover 2 is connected with two independent detection chambers 8, the first air inlet pipe 6 and the second...

Embodiment 2

[0056] Embodiment 2: A method for detecting oil fume in the catering industry, using the oil fume detection equipment in the catering industry as in Embodiment 1, comprising the following steps:

[0057] In the preparatory stage, the convex lens 16 and the inner wall of the detection chamber 8 are cleaned with cleaning components;

[0058] In the sampling stage, the sampling head 4 is inserted into the smoke exhaust pipe to be tested, and the suction pump 14 is turned on, so that the oil fume gas enters the first intake pipe 6 and the second intake pipe 7 through the sampling pipe 3, and then enters the two detection chambers 8 respectively. , and then merge into the exhaust pipe 12 from the first air outlet pipe 9 and the second air outlet pipe 10, and then through the filtering action of the filter 13, the clean air is discharged into the atmosphere;

[0059] In the detection stage, the laser head 15 and the photoelectric sensor 17 are turned on at the same time, and the two d...

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Abstract

The invention discloses cooking fume detection device and detection method for catering industry, and relates to the technical field of cooking fume detection. According to the technical key points,the cooking fume detection method for the catering industry comprises the following steps: a preparation stage: cleaning a convex lens and the inner wall of a detection chamber by adopting a cleaningassembly; in the sampling stage: enabling a sampling head to extend into a to-be-detected smoke exhaust pipeline, and starting a getter pump, so that cooking fume gas enters a first gas inlet pipe anda second gas inlet pipe through a sampling pipe, then enters two detection chambers respectively, then converging the gas into an exhaust pipe from a first gas outlet pipe and a second gas outlet pipe, and filtering the gas by a filter, and discharging clean air into the atmosphere; in the detection stage, starting a laser head and a photoelectric sensor at the same time, enabling the two detection chambers to detect the cooking fume concentration, non-methane total hydrocarbon and particulate matter respectively, after detection is completed, outputting data to a display screen through a controller, and meanwhile directly printing a report through the printer. The invention has the advantages of being high in detection speed, high in accuracy and unique in detection result.

Description

technical field [0001] The invention relates to the technical field of oil fume detection, in particular to a detection device and method for oil fume in the catering industry. Background technique [0002] In the process of food cooking and processing, the organic matter of oil and ingredients is thermally decomposed or cracked, and the moisture in the ingredients is vaporized rapidly. Oil fume composed of sol, water vapor and fine particles. Oil fume not only directly endangers the health of the surrounding people, but also has become an important source of urban air pollution, and the use of oil fume detectors to accurately detect cooking fume is a necessary and basic link for controlling oil fume. [0003] The Chinese invention patent with the publication number CN109856023A discloses a cooking fume detection device, which includes a sampling unit, a processing module, a light emitting module and a light receiving module. The light receiving module and the light emittin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06G01N15/00G01N21/17G01N1/24
CPCG01N15/06G01N15/00G01N21/17G01N1/2258G01N2001/2261G01N15/075
Inventor 王晓莉
Owner 陕西环研检测技术有限公司