CN203551463U - Visual food quality inspection device - Google Patents

Visual food quality inspection device Download PDF

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Publication number
CN203551463U
CN203551463U CN201320634034.7U CN201320634034U CN203551463U CN 203551463 U CN203551463 U CN 203551463U CN 201320634034 U CN201320634034 U CN 201320634034U CN 203551463 U CN203551463 U CN 203551463U
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China
Prior art keywords
food
sensor
nitrogen gas
sensing chamber
step
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CN201320634034.7U
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Chinese (zh)
Inventor
赵春城
赵烟桥
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无锡艾科瑞思产品设计与研究有限公司
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Priority to CN201320634034.7U priority Critical patent/CN203551463U/en
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Abstract

The utility model discloses a visual food quality inspection device, belongs to the field of food safety and particularly relates to a device which is used for detecting the composition and content of gases emitted from food. The device is provided with a nitrogen gas concentration sensor, a sulfur dioxide concentration sensor, a hydrogen sulfide concentration sensor, an image sensor and a timer, wherein the nitrogen gas concentration sensor, the sulfur dioxide concentration sensor, the hydrogen sulfide concentration sensor, the image sensor and the timer are all connected with a computer, and the computer is connected with a display. According to the device, the quality of the food can be objectively inspected respectively through visual information, such as the color of the food and the like, and concentration information of sulfur dioxide and hydrogen sulfide which are emitted after the food deteriorates; compared with the prior art, the reproducibility of inspection results is better.

Description

A kind of food quality visual detection device

Technical field

Food quality visual detection device belongs to a food security field, is specifically related to a kind of by the device that the gas componant coming out in food and content are detected.

Background technology

Food-safety problem has become the social concern of China, in order to guarantee food security, need to detect food quality.Present stage, most detection methods are all professional methods, and layman is not only ignorant of its know-why, and more can not operate checkout equipment.

On 05 17th, 2006, the visible detection method of the patent of invention < < food aroma of the Zou little Bo of Jiangsu University and Zhao Jiewen application and device > >, application number: 200610040348.9, a kind of method and apparatus that utilizes machine vision technique and color sensitive sensor technology to carry out food aroma detection is disclosed.Utilize the technological means of this invention, can also carry out the detection of food quality, yet directly apply the method, also there is following shortcoming:

The first, the present invention adopts color sensitive sensor, and the sulphuric dioxide and the hydrogen sulfide gas that after cannot directly becoming for food to be measured, produce detect targetedly, make the method sensitive not;

The second, during color sensitive sensor image data, be to gather mobile gas, this mode is when gas flow rate cannot strictly be controlled, and each result obtaining that detects has difference, experiment poor reproducibility;

Three, imageing sensor is to color sensitive sensor imaging, and for food to be measured, does not carry out imaging, and therefore, this invention is equivalent to only by these a kind of means of color sensitive sensor, detect, and detection means is single, lacks the link to testing result monitoring.

Summary of the invention

In order to address the above problem, the utility model has designed a kind of food quality visual detection device, the utility model can be from the visual informations such as color of food, and the concentration information of the sulphuric dioxide discharging after food spoilage and sulfuretted hydrogen, respectively the quality of food are carried out to objective detection; And compared with the existing technology, the reappearance of testing result is better.

The purpose of this utility model is achieved in that

A kind of food quality visual detection device, comprise nitrogen gas supply device, described nitrogen gas supply device connects sensing chamber by tracheae, and described sensing chamber is provided with vent port, the tracheae being communicated with sensing chamber at nitrogen gas supply device, and on vent port, be provided with valve; In sensing chamber, be provided with nitrogen gas concn sensor, sulfur dioxide concentration sensor, concentration of hydrogen sulfide sensor, imageing sensor, and timer; Described nitrogen gas concn sensor, sulfur dioxide concentration sensor, concentration of hydrogen sulfide sensor, imageing sensor is all connected computing machine with timer, and described computing machine connects display.

Because the utility model food quality visual detection device is provided with nitrogen gas concn sensor, sulfur dioxide concentration sensor, concentration of hydrogen sulfide sensor, imageing sensor, and timer; Described nitrogen gas concn sensor, sulfur dioxide concentration sensor, concentration of hydrogen sulfide sensor, imageing sensor is all connected computing machine with timer, and described computing machine connects display; The utility model food quality visible detection method is measured food quality by machine vision and gas concentration sensor respectively, therefore can be from the visual informations such as color of food, and the concentration information of the sulphuric dioxide discharging after food spoilage and sulfuretted hydrogen, respectively the quality of food is carried out to objective detection; And compared with the existing technology, the reappearance of testing result is better.

Accompanying drawing explanation

Fig. 1 is the utility model food quality visual detection device structural representation.

In figure: 1 nitrogen gas supply device, 2 sensing chamber, 3 vent ports, 4 nitrogen gas concn sensors, 5 sulfur dioxide concentration sensors, 6 concentration of hydrogen sulfide sensors, 7 imageing sensors, 8 timers, 9 computing machines, 10 displays.

Embodiment

Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.

Specific embodiment one

The food quality visual detection device of the present embodiment, structural representation as shown in Figure 1, this device comprises nitrogen gas supply device 1, described nitrogen gas supply device 1 connects sensing chamber 2 by tracheae, described sensing chamber is provided with vent port 3, the tracheae being communicated with sensing chamber 2 at nitrogen gas supply device 1, and be provided with valve on vent port 3; In sensing chamber 2, be provided with nitrogen gas concn sensor 4, sulfur dioxide concentration sensor 5, concentration of hydrogen sulfide sensor 6, imageing sensor 7, and timer 8; Described nitrogen gas concn sensor 4, sulfur dioxide concentration sensor 5, concentration of hydrogen sulfide sensor 6, imageing sensor 7 is all connected computing machine 9 with timer 8, and described computing machine 9 connects display 10.

The food quality visible detection method of the present embodiment, comprises the following steps:

Step a, food to be measured is put into sensing chamber 2;

Step b, 7 pairs of food to be measured of imageing sensor carry out imaging, by machine vision technique, from food surface pattern to be measured or color, do the preliminary judgement of food quality;

Step c, open vent port 3, nitrogen gas supply device 1 supplies with nitrogen to sensing chamber 2, and the nitrogen gas concn in 4 pairs of sensing chamber 2 of nitrogen gas concn sensor detects, and the nitrogen content to sensing chamber 2 reaches 90%, nitrogen gas supply device 1 stops nitrogen gas supply, closes vent port 3;

Steps d, timer 8 start timing;

Step e, after timer 8 timing surpass 30min, sulfur dioxide concentration sensor 5 and concentration of hydrogen sulfide sensor 6 are passed to computing machine 9 by concentration data, from gas componant and content, do the secondary judgement of food quality;

Step f, preliminary judged result and secondary judged result are shown on display 10.

Specific embodiment two

The food quality visual detection device of the present embodiment, identical with specific embodiment one, repeated description no longer herein.

The food quality visible detection method of the present embodiment, comprises the following steps:

Step a, food to be measured is put into sensing chamber 2;

Step b, 7 pairs of food to be measured of imageing sensor carry out imaging, by machine vision technique, from food surface pattern to be measured or color, do the preliminary judgement of food quality;

Step c, open vent port 3, nitrogen gas supply device 1 supplies with nitrogen to sensing chamber 2, and the nitrogen gas concn in 4 pairs of sensing chamber 2 of nitrogen gas concn sensor detects, and the nitrogen content to sensing chamber 2 reaches 90%, nitrogen gas supply device 1 stops nitrogen gas supply, closes vent port 3;

Steps d, timer 8 start timing;

Step e, after timer 8 timing surpass 30min, sulfur dioxide concentration sensor 5 and concentration of hydrogen sulfide sensor 6 are passed to computing machine 9 by concentration data, from gas componant and content, do the secondary judgement of food quality;

Step f, preliminary judged result and secondary judged result are shown on display 10.

The secondary judgement that step g, the preliminary judgement that step b is obtained and step e obtain combines, and is finally judged, and will finally by section result, on display 10, show.

Described step g is specially:

The result that step b obtains is qualified, and the result that step e obtains is qualified, and net result is qualified;

The result that step b obtains is qualified, and the result that step e obtains is defective, and net result is defective;

The result that step b obtains is defective, and the result that step e obtains is qualified, and net result is defective;

The result that step b obtains is defective, and the result that step e obtains is defective, and net result is defective.

Specific embodiment three

The food quality visual detection device of the present embodiment, identical with specific embodiment one, repeated description no longer herein.

The food quality visible detection method of the present embodiment, comprises the following steps:

Step a, food to be measured is put into sensing chamber 2;

Step b, 7 pairs of food to be measured of imageing sensor carry out imaging, by machine vision technique, from food surface pattern to be measured or color, do the preliminary judgement of food quality;

Step c, open vent port 3, nitrogen gas supply device 1 supplies with nitrogen to sensing chamber 2, and the nitrogen gas concn in 4 pairs of sensing chamber 2 of nitrogen gas concn sensor detects, and the nitrogen content to sensing chamber 2 reaches 90%, nitrogen gas supply device 1 stops nitrogen gas supply, closes vent port 3;

Steps d, timer 8 start timing;

Step e, after timer 8 timing surpass 60min, sulfur dioxide concentration sensor 5 and concentration of hydrogen sulfide sensor 6 are passed to computing machine 9 by concentration data, from gas componant and content, do the secondary judgement of food quality;

Step f, preliminary judged result and secondary judged result are shown on display 10.

In the present embodiment, select to surpass 60min when timer 8 timing, object is to extend the time that food to be measured discharges gas, make the gas concentration that discharges higher, to sacrifice detection efficiency, exchange higher accuracy of detection and detection limit for like this, be conducive to detect just rotten food.

Specific embodiment four

The food quality visual detection device of the present embodiment, identical with specific embodiment one, repeated description no longer herein.

The food quality visible detection method of the present embodiment, comprises the following steps:

Step a, food to be measured is put into sensing chamber 2;

Step b, 7 pairs of food to be measured of imageing sensor carry out imaging, by machine vision technique, from food surface pattern to be measured or color, do the preliminary judgement of food quality;

Step c, open vent port 3, nitrogen gas supply device 1 supplies with nitrogen to sensing chamber 2, and the nitrogen gas concn in 4 pairs of sensing chamber 2 of nitrogen gas concn sensor detects, and the nitrogen content to sensing chamber 2 reaches 90%, nitrogen gas supply device 1 stops nitrogen gas supply, closes vent port 3;

Steps d, timer 8 start timing;

Step e, after timer 8 timing surpass 60min, sulfur dioxide concentration sensor 5 and concentration of hydrogen sulfide sensor 6 are passed to computing machine 9 by concentration data, from gas componant and content, do the secondary judgement of food quality;

Step f, preliminary judged result and secondary judged result are shown on display 10.

The secondary judgement that step g, the preliminary judgement that step b is obtained and step e obtain combines, and is finally judged, and will finally by section result, on display 10, show.

Described step g is specially:

The result that step b obtains is qualified, and the result that step e obtains is qualified, and net result is qualified;

The result that step b obtains is qualified, and the result that step e obtains is defective, and net result is defective;

The result that step b obtains is defective, and the result that step e obtains is qualified, and net result is defective;

The result that step b obtains is defective, and the result that step e obtains is defective, and net result is defective.

In the present embodiment, select to surpass 60min when timer 8 timing, object is to extend the time that food to be measured discharges gas, make the gas concentration that discharges higher, to sacrifice detection efficiency, exchange higher accuracy of detection and detection limit for like this, be conducive to detect just rotten food.

Specific embodiment five

The food quality visual detection device of the present embodiment, identical with specific embodiment one, repeated description no longer herein.

The food quality visible detection method of the present embodiment, different from specific embodiment one, specific embodiment two, specific embodiment three or specific embodiment four is, step c is: open vent port 3, nitrogen gas supply device 1 supplies with nitrogen to sensing chamber 2, nitrogen gas concn in 4 pairs of sensing chamber 2 of nitrogen gas concn sensor detects, nitrogen content to sensing chamber 2 reaches 95%, and nitrogen gas supply device 1 stops nitrogen gas supply, closes vent port 3;

Select nitrogen content to reach 95%, can further reduce the oxygen of sensing chamber 2, avoid food to be measured to contact with too much oxygen, chemical reaction occurs, affect final testing result.

Specific embodiment six

The food quality visual detection device of the present embodiment, identical with specific embodiment one, repeated description no longer herein.

The food quality visible detection method of the present embodiment, different from specific embodiment one, specific embodiment two, specific embodiment three or specific embodiment four is, step c is: open vent port 3, nitrogen gas supply device 1 supplies with nitrogen to sensing chamber 2, nitrogen gas concn in 4 pairs of sensing chamber 2 of nitrogen gas concn sensor detects, nitrogen content to sensing chamber 2 reaches 100%, and nitrogen gas supply device 1 stops nitrogen gas supply, closes vent port 3;

Select nitrogen content to reach 100%, make sensing chamber 2 not contain oxygen, avoid food to be measured to contact with too much oxygen completely, chemical reaction occurs, affect final testing result.

With the immediate prior art of the utility model be visible detection method and the device > > of the utility model patent < < food aroma of authorizing, application number: 200610040348.9.With this patent, compare, the utility model employing, directly for the gas concentration sensor relevant to food quality to be measured, detects targetedly, has improved detection sensitivity; The detection mode of having avoided adopting flowing gas, effectively prevents the undesirable problem of the uncontrollable testing result causing of gas flow rate; Adopt machine vision technique and gas concentration to detect double check mode, monitoring mutually, the reliability of raising testing result simultaneously.

The disclosed a plurality of innovative points of the utility model are in the prior art all less than open, prior art does not all give corresponding technology enlightenment yet, and the utility model solved a plurality of technical matters of the prior art, therefore there is outstanding substantive distinguishing features and significant technical progress.

The utility model is not limited to above-mentioned preferred forms; anyone should learn structural change or the method improvement of making under enlightenment of the present utility model; every with the utlity model has identical or close technical scheme, within all falling into protection domain of the present utility model.

Claims (1)

1. a food quality visual detection device, comprise nitrogen gas supply device (1), described nitrogen gas supply device (1) connects sensing chamber (2) by tracheae, described sensing chamber is provided with vent port (3), the tracheae being communicated with sensing chamber (2) at nitrogen gas supply device (1), and be provided with valve on vent port (3); It is characterized in that: in sensing chamber (2), be provided with nitrogen gas concn sensor (4), sulfur dioxide concentration sensor (5), concentration of hydrogen sulfide sensor (6), imageing sensor (7), and timer (8); Described nitrogen gas concn sensor (4), sulfur dioxide concentration sensor (5), concentration of hydrogen sulfide sensor (6), imageing sensor (7) is all connected computing machine (9) with timer (8), and described computing machine (9) connects display (10).
CN201320634034.7U 2013-10-15 2013-10-15 Visual food quality inspection device CN203551463U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499531A (en) * 2013-10-15 2014-01-08 无锡艾科瑞思产品设计与研究有限公司 Food quality visual detection device and method
CN105279929A (en) * 2015-10-30 2016-01-27 小米科技有限责任公司 Method, device and terminal for prompting deteriorating items
CN105807003A (en) * 2016-04-05 2016-07-27 大连理工大学 Visual system provided with gas sensors
CN105911237A (en) * 2016-06-28 2016-08-31 广东美的厨房电器制造有限公司 Cooking method and cooking device
CN109132315A (en) * 2018-06-13 2019-01-04 中铁第四勘察设计院集团有限公司 A kind of rotten intelligent monitor system of automated three-dimensional freezer cargo

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499531A (en) * 2013-10-15 2014-01-08 无锡艾科瑞思产品设计与研究有限公司 Food quality visual detection device and method
CN103499531B (en) * 2013-10-15 2015-07-01 无锡艾科瑞思产品设计与研究有限公司 Food quality visual detection device and method
CN105279929A (en) * 2015-10-30 2016-01-27 小米科技有限责任公司 Method, device and terminal for prompting deteriorating items
CN105807003A (en) * 2016-04-05 2016-07-27 大连理工大学 Visual system provided with gas sensors
CN105911237A (en) * 2016-06-28 2016-08-31 广东美的厨房电器制造有限公司 Cooking method and cooking device
CN109132315A (en) * 2018-06-13 2019-01-04 中铁第四勘察设计院集团有限公司 A kind of rotten intelligent monitor system of automated three-dimensional freezer cargo

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