CN109239285B - Detector for measuring meat corruption degree - Google Patents
Detector for measuring meat corruption degree Download PDFInfo
- Publication number
- CN109239285B CN109239285B CN201811136579.9A CN201811136579A CN109239285B CN 109239285 B CN109239285 B CN 109239285B CN 201811136579 A CN201811136579 A CN 201811136579A CN 109239285 B CN109239285 B CN 109239285B
- Authority
- CN
- China
- Prior art keywords
- sensor
- box body
- sensor probe
- closed box
- air
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/12—Meat; fish
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
Abstract
The invention discloses a detector for measuring the decay degree of meat, wherein a closed box body is made of transparent material, and the bottom of the closed box body is provided with an opening; sensor detection mechanism is including fixed sensor array, portable sensor probe subassembly and data acquisition module, and fixed sensor array and data acquisition module are all fixed to be set up at the top of airtight box, and portable sensor probe subassembly is including rectangular coordinate robot and sensor probe, and rectangular coordinate robot's installation base fixed connection is top in airtight box, and sensor probe is fixed to be set up on rectangular coordinate robot's three-dimensional removal output. The invention can carry out contact detection on the surface of the sample by the movable sensor probe, and can judge the corruption degree of the sample more accurately by matching with the electronic nose system and the temperature and humidity sensor.
Description
Technical Field
The invention belongs to the technical field of food detection, and particularly relates to a detector for measuring the rotten degree of meat.
Background
In the processes of processing, transporting, storing and shelf selling of meat, sellers, management departments and buyers need to detect the freshness of the meat, and due to the action of external environment, microorganisms and the like, the meat product is rotten and deteriorated to generate bad flavor, so that the quality is reduced. At present, the main methods for detecting freshness of meat products include manual evaluation and biochemical methods, the manual sensory evaluation is greatly influenced by physical conditions, emotion and environmental changes of a discriminator, and the biochemical methods are time-consuming, labor-consuming and expensive in reagents. The electronic nose is a novel instrument simulating the noses of people and animals and used for analyzing, identifying and detecting complex odor and volatile components, and compared with common analytical instruments (such as a chromatograph, a spectrometer and the like), the electronic nose has the characteristics of objectively, accurately and quickly evaluating the odor and good repeatability. At present, the electronic nose technology is widely applied to researches in the fields of food, agricultural products, medicine and the like.
However, the electronic nose can only detect the gas volatilized from the sample, but cannot perform contact detection on the surface of the sample, and the judgment on the sample corruption degree is not accurate enough; meanwhile, due to the existence of interference gas in the air, the detection of the electronic nose is also influenced.
Disclosure of Invention
The invention aims to provide a detector for measuring the rotting degree of meat, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a detector for measuring the decay degree of meat comprises a closed box body, a controller, a display and a sensor detection mechanism, wherein the sensor detection mechanism is arranged on the closed box body, and the controller is electrically connected with the display;
the closed box body is made of transparent materials, the bottom of the closed box body is provided with an opening, a sample to be detected can be placed in the closed box body, and a user can observe the condition of the sample from the outside of the closed box body;
the sensor detection mechanism comprises a fixed sensor array, a movable sensor probe assembly and a data acquisition module, wherein the fixed sensor array and the data acquisition module are fixedly arranged at the top of the closed box body; response signals of samples in the closed box body are obtained through the fixed sensor array and the sensor probe, then the response signals are converted into digital signals through the data acquisition module and transmitted to the controller, the controller processes the digital signals and classifies the degree of corruption, and the display is used for man-machine interaction.
Preferably, the movable sensor probe assembly further comprises a sensor probe guide block, the sensor probe guide block is fixedly connected to the three-dimensional movement output end of the cartesian robot, the top of the sensor probe guide block is provided with a limit groove, the bottom of the limit groove is provided with a guide hole, and the bottom of the guide hole penetrates through the bottom of the sensor probe guide block;
the top of sensor probe runs through the guiding hole and stretches into to the spacing inslot, the top fixedly connected with stopper of sensor probe, the top of sensor probe guide block is through bolt fixedly connected with upper cover, fixedly connected with spring between upper cover and the stopper top.
Preferably, the bottom of the spring is welded and fixed with the top of the limiting block.
Preferably, the air exchange device further comprises an air exchange mechanism, wherein the air exchange mechanism comprises an air inlet pipe and an air exhaust pipe, a first electric valve is arranged on the air inlet pipe, a second electric valve and an air pump are arranged on the air exhaust pipe, and the first electric valve, the second electric valve and the air pump are all electrically connected with the controller;
an air inlet is formed in the side wall of the closed box body, and one end of the air inlet pipe is fixedly connected with the air inlet;
an air suction opening is formed in the top of the closed box body, and one end of the air suction pipe is fixedly connected with the air suction opening.
Preferably, the air inlet pipe is further fixedly provided with an air purification device which can filter air entering the closed box body.
Preferably, the air purification device is activated carbon.
Preferably, the fixed sensor array comprises an electronic nose system and a temperature and humidity sensor.
Preferably, the electronic nose system comprises a plurality of gas sensors.
Preferably, the gas sensor comprises an ethanol and organic solvent sensor, a hydrogen sulfide sensor, an ammonia and amine sensor and a halocarbon sensor.
Preferably, the transparent material for manufacturing the closed box body is acrylic.
Has the advantages that:
(1) according to the detector for measuring the meat corruption degree, the surface of the sample can be detected in a contact mode through the movable sensor probe, and the corruption degree of the sample can be judged more accurately by matching the electronic nose system and the temperature and humidity sensor; wherein, the design of spring in the sensor probe guide block can make the sensor probe have certain elasticity performance, avoids the bottom of sensor probe to suffer damage.
(2) According to the detector for measuring the meat corruption degree, due to the design of the ventilation mechanism, the interference gas can be filtered, and the normal detection of the electronic nose system is guaranteed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of a mobile sensor probe assembly of the present invention.
FIG. 3 is a schematic view of the sensor probe and the sensor probe guide block of the present invention in cooperation.
Fig. 4 is a schematic view of the ventilation mechanism of the present invention.
Fig. 5 is a flow chart of the working principle of the present invention.
In the figure: the system comprises a closed box body, a controller, a display, a 4-fixed sensor array, an electronic nose system, a 42-temperature and humidity sensor, a 5-movable sensor probe assembly, a 51-cartesian robot, a 52-sensor probe, a 53-sensor probe guide block, a 531-limit groove, a 532-guide hole, a 54-limit block, a 55-upper cover, a 56-spring, a 6-ventilation mechanism, a 61-air inlet pipe, a 62-air exhaust pipe, a 63-air pump, a 64-air purification device and a 7-sample vessel.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-5, a detector for measuring the degree of meat decay comprises a closed box 1, a controller 2, a display 3 and a sensor detection mechanism, wherein the sensor detection mechanism is arranged on the closed box 1, and the controller 2 is electrically connected with the display 3;
the closed box body 1 is made of transparent materials, the bottom of the closed box body is provided with an opening, a sample to be detected can be placed in the closed box body 1, and a user can observe the condition of the sample from the outside of the closed box body 1;
the sensor detection mechanism comprises a fixed sensor array 4, a movable sensor probe assembly 5 and a data acquisition module, wherein the fixed sensor array 4 and the data acquisition module are fixedly arranged at the top of the closed box body 1, the movable sensor probe assembly 5 comprises a rectangular coordinate robot 51 and a sensor probe 52, a mounting base of the rectangular coordinate robot 51 is fixedly connected to the top in the closed box body 1, the sensor probe 52 is fixedly arranged at the three-dimensional movement output end of the rectangular coordinate robot 51, the fixed sensor array 4 and the sensor probe 52 are both electrically connected with the data acquisition module, and the data acquisition module and the rectangular coordinate robot 51 are both electrically connected with the controller 2; response signals of samples in the closed box body 1 are obtained through the fixed sensor array 4 and the sensor probe 52, then the response signals are converted into digital signals through the data acquisition module and transmitted to the controller 2, the controller 2 processes the digital signals and classifies the degree of decomposition, and the display 3 is used for man-machine interaction.
The movable sensor probe assembly 5 further comprises a sensor probe guide block 53, the sensor probe guide block 53 is fixedly connected to the three-dimensional movement output end of the cartesian robot 51, a limiting groove 531 is formed in the top of the sensor probe guide block 53, a guide hole 532 is formed in the bottom of the limiting groove 531, and the bottom of the guide hole 532 penetrates through the bottom of the sensor probe guide block 53;
the top end of the sensor probe 52 penetrates through the guide hole 532 and extends into the limiting groove 531, the top end of the sensor probe 52 is fixedly connected with a limiting block 54, the top of the sensor probe guide block 53 is fixedly connected with an upper cover 55 through a bolt, and a spring 56 is fixedly connected between the upper cover 55 and the top of the limiting block 54.
The bottom of the spring 56 is welded and fixed with the top of the limiting block 54.
The air exchange mechanism 6 comprises an air inlet pipe 61 and an air exhaust pipe 62, a first electric valve is arranged on the air inlet pipe 61, a second electric valve and an air pump 63 are arranged on the air exhaust pipe 62, and the first electric valve, the second electric valve and the air pump 63 are all electrically connected with the controller 2;
an air inlet is formed in the side wall of the closed box body 1, and one end of the air inlet pipe 61 is fixedly connected with the air inlet;
an air suction opening is formed in the top of the closed box body 1, and one end of the air suction pipe 62 is fixedly connected with the air suction opening.
The air inlet pipe 61 is also fixedly provided with an air purification device 64 which can filter the air entering the closed box body 1.
The air cleaning device 64 is activated carbon.
The fixed sensor array 4 comprises an electronic nose system 41 and a temperature and humidity sensor 42.
The electronic nose system 41 includes a plurality of gas sensors.
The gas sensor comprises an ethanol and organic solvent sensor, a hydrogen sulfide sensor, an ammonia and amine sensor and a halocarbon sensor.
The transparent material for manufacturing the closed box body 1 is acrylic.
The working principle of the embodiment is as follows: the meat sample is placed on the sample vessel 7 and placed in the sealed box body 1, the first electric valve and the second electric valve are opened through the controller 2, air in the sealed box body 1 is pumped out through the air pump 63, and fresh air enters the sealed box body 1 after being filtered through the air purifying device 64, so that gas having interference on detection is removed. The sample is sealed for 5-10min at room temperature (about 25 ℃), so that the gas at the top of the sealed box body 1 reaches a relative saturation state, and then the gas parameters volatilized by the sample are collected through an electronic nose system 41 of the fixed sensor array 4. Because the closed box 1 is transparent, the condition of the sample inside the closed box 1 can be observed from the outside, and the controller 2 controls the cartesian robot 51 to collect the information of chemical components such as the pH value of the surface of the sample by the sensor probe 52. And the acquired signals are converted into digital signals through the data acquisition module and transmitted to the controller 2, and the controller 2 processes the digital signals and classifies the degree of corruption.
According to the detector for measuring the meat corruption degree, the surface of the sample can be detected in a contact mode through the movable sensor probe 52, and the corruption degree of the sample can be judged more accurately by matching the electronic nose system 41 and the temperature and humidity sensor 42; the design of the spring 56 in the sensor probe guide block 53 can make the sensor probe 52 have a certain telescopic performance, and make the sensor probe 52 maintain a vertical state, thereby preventing the bottom end of the sensor probe 52 from being damaged.
According to the detector for measuring the meat corruption degree, due to the design of the ventilation mechanism 6, the interference gas can be filtered, and the normal detection of the electronic nose system 41 is guaranteed.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (9)
1. A measure detector of meat corruption degree which characterized in that:
the device comprises a closed box body (1), a controller (2), a display (3) and a sensor detection mechanism, wherein the sensor detection mechanism is arranged on the closed box body (1), and the controller (2) is electrically connected with the display (3);
the closed box body (1) is made of transparent materials, the bottom of the closed box body is provided with an opening, a sample to be detected can be placed in the closed box body (1), and a user can observe the condition of the sample from the outside of the closed box body (1);
the sensor detection mechanism comprises a fixed sensor array (4), a movable sensor probe assembly (5) and a data acquisition module, wherein the fixed sensor array (4) and the data acquisition module are fixedly arranged at the top of the closed box body (1), the movable sensor probe assembly (5) comprises a rectangular coordinate robot (51) and a sensor probe (52), an installation base of the rectangular coordinate robot (51) is fixedly connected to the inner top of the closed box body (1), the sensor probe (52) is fixedly arranged on a three-dimensional movement output end of the rectangular coordinate robot (51), the fixed sensor array (4) and the sensor probe (52) are electrically connected with the data acquisition module, and the data acquisition module and the rectangular coordinate robot (51) are electrically connected with the controller (2); response signals of samples in the closed box body (1) are obtained through the fixed sensor array (4) and the sensor probe (52), then the response signals are converted into digital signals through the data acquisition module and transmitted to the controller (2), the controller (2) processes the digital signals and classifies the degree of corrosion, and the display (3) is used for man-machine interaction;
the movable sensor probe assembly (5) further comprises a sensor probe guide block (53), the sensor probe guide block (53) is fixedly connected to the three-dimensional movement output end of the rectangular coordinate robot (51), a limiting groove (531) is formed in the top of the sensor probe guide block (53), a guide hole (532) is formed in the bottom of the limiting groove (531), and the bottom of the guide hole (532) penetrates through the bottom of the sensor probe guide block (53);
the top of sensor probe (52) runs through guiding hole (532) and stretches into in spacing groove (531), the top fixedly connected with stopper (54) of sensor probe (52), bolt fixedly connected with upper cover (55) is passed through at the top of sensor probe guide block (53), fixedly connected with spring (56) between upper cover (55) and stopper (54) top.
2. The apparatus according to claim 1, wherein the apparatus comprises:
the bottom of the spring (56) is welded and fixed with the top of the limiting block (54).
3. The apparatus according to claim 1, wherein the apparatus comprises:
the air exchange device is characterized by further comprising an air exchange mechanism (6), wherein the air exchange mechanism (6) comprises an air inlet pipe (61) and an air exhaust pipe (62), a first electric valve is arranged on the air inlet pipe (61), a second electric valve and an air pump (63) are arranged on the air exhaust pipe (62), and the first electric valve, the second electric valve and the air pump (63) are all electrically connected with the controller (2);
an air inlet is formed in the side wall of the closed box body (1), and one end of the air inlet pipe (61) is fixedly connected with the air inlet;
an air suction opening is formed in the top of the closed box body (1), and one end of the air suction pipe (62) is fixedly connected with the air suction opening.
4. The apparatus according to claim 3, wherein the apparatus further comprises:
an air purification device (64) is fixedly arranged on the air inlet pipe (61) and can filter air entering the closed box body (1).
5. The apparatus according to claim 4, wherein the apparatus further comprises:
the air purification device (64) is activated carbon.
6. The apparatus according to claim 1, wherein the apparatus comprises:
the fixed sensor array (4) comprises an electronic nose system (41) and a temperature and humidity sensor (42).
7. The apparatus according to claim 6, wherein the apparatus further comprises:
the electronic nose system (41) comprises a plurality of gas sensors.
8. The apparatus according to claim 7, wherein the apparatus further comprises:
the gas sensor comprises an organic solvent sensor, a hydrogen sulfide sensor, an amine sensor and a halohydrocarbon sensor.
9. The apparatus according to claim 1, wherein the apparatus comprises:
the transparent material for manufacturing the closed box body (1) is acrylic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136579.9A CN109239285B (en) | 2018-09-28 | 2018-09-28 | Detector for measuring meat corruption degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136579.9A CN109239285B (en) | 2018-09-28 | 2018-09-28 | Detector for measuring meat corruption degree |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109239285A CN109239285A (en) | 2019-01-18 |
| CN109239285B true CN109239285B (en) | 2020-08-11 |
Family
ID=65057862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811136579.9A Active CN109239285B (en) | 2018-09-28 | 2018-09-28 | Detector for measuring meat corruption degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109239285B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487314A (en) * | 2021-12-16 | 2022-05-13 | 山东省食品药品检验研究院 | Device and method for rapidly detecting residual prohibited drugs in seafood products on site |
| CN114924047B (en) * | 2022-04-26 | 2023-12-22 | 四川王家渡食品有限公司 | Electronic nose for meat product detection and detection method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030079351A (en) * | 2002-04-03 | 2003-10-10 | 노봉수 | Method for detecting the volatile compounds of irradiated meat by using electronic nose |
| CN101975844A (en) * | 2010-08-20 | 2011-02-16 | 中国农业大学 | Multi-sensor fusion technology-based comprehensive detection method for pork quality |
| CN102507459A (en) * | 2011-11-23 | 2012-06-20 | 中国农业大学 | Method and system for quick lossless evaluation on freshness of fresh beef |
| CN203745367U (en) * | 2013-12-10 | 2014-07-30 | 六安职业技术学院 | Intelligent pork freshness detector |
| WO2016109563A1 (en) * | 2014-12-31 | 2016-07-07 | Wal-Mart Stores, Inc. | System and method for monitoring gas emission of perishable products |
| CN106770986A (en) * | 2017-03-09 | 2017-05-31 | 中国农业大学 | A kind of embedded electronic nose detecting system for detecting meat quality |
| CN206601354U (en) * | 2017-04-16 | 2017-10-31 | 江苏农牧科技职业学院 | A kind of simple experiment system detected based on electric nasus system to pork freshness |
| CN207649554U (en) * | 2017-12-08 | 2018-07-24 | 昆山龙腾光电有限公司 | A kind of environment chambers |
-
2018
- 2018-09-28 CN CN201811136579.9A patent/CN109239285B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030079351A (en) * | 2002-04-03 | 2003-10-10 | 노봉수 | Method for detecting the volatile compounds of irradiated meat by using electronic nose |
| CN101975844A (en) * | 2010-08-20 | 2011-02-16 | 中国农业大学 | Multi-sensor fusion technology-based comprehensive detection method for pork quality |
| CN102507459A (en) * | 2011-11-23 | 2012-06-20 | 中国农业大学 | Method and system for quick lossless evaluation on freshness of fresh beef |
| CN203745367U (en) * | 2013-12-10 | 2014-07-30 | 六安职业技术学院 | Intelligent pork freshness detector |
| WO2016109563A1 (en) * | 2014-12-31 | 2016-07-07 | Wal-Mart Stores, Inc. | System and method for monitoring gas emission of perishable products |
| CN106770986A (en) * | 2017-03-09 | 2017-05-31 | 中国农业大学 | A kind of embedded electronic nose detecting system for detecting meat quality |
| CN206601354U (en) * | 2017-04-16 | 2017-10-31 | 江苏农牧科技职业学院 | A kind of simple experiment system detected based on electric nasus system to pork freshness |
| CN207649554U (en) * | 2017-12-08 | 2018-07-24 | 昆山龙腾光电有限公司 | A kind of environment chambers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109239285A (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1194227C (en) | Fast non-destructive detection method and device of food smell based on gas sensor array technology | |
| CN109239285B (en) | Detector for measuring meat corruption degree | |
| CN106769978B (en) | Fermentation tank tail gas in-line analyzer | |
| CN101493431A (en) | Method for detecting fresh degree of chicken meat by electronic nose | |
| US20200386730A1 (en) | Automated system for detecting bacteria implicated in infections or diseases using a multisensor system incorporating an olfactometry device recognising the released metabolites | |
| CN202735325U (en) | Handheld suction type volatile gas detector | |
| CN104569062A (en) | Electronic nose gas chamber based on molecular sieve filtration | |
| CN201955325U (en) | Hand-held device for quickly detecting pesticide residues | |
| CN108267551A (en) | Free-standing imflammable gas detection device | |
| Xing et al. | Mobile robot multi-sensor unit for unsupervised gas discrimination in uncontrolled environments | |
| CN202404061U (en) | Anti-interference analyzer for detecting trace formaldehyde in air | |
| CN110887944A (en) | Tea-seed oil quality short-term test device | |
| Kanade et al. | Development of an E-nose using metal oxide semiconductor sensors for the classification of climacteric fruits | |
| CN103412099A (en) | Device and method for detecting pawpaw storage time | |
| CN205538908U (en) | On -line VOC (Volatile organic compound) monitor | |
| EP1169640B1 (en) | Method for detecting conditions by analysis of aqueous condensate from respiratory gases | |
| CN209589947U (en) | A kind of paraffin odor analyzer | |
| Di Lecce et al. | Computational-based Volatile Organic Compounds discrimination: an experimental low-cost setup | |
| CN208984623U (en) | A kind of detector of novel measurement meat corruption degree | |
| CN205619988U (en) | Gaseous ration meter of gassiness volume desorption | |
| CN104267067A (en) | Method based on smell sensor and used for predicting growth stage of pseudomonas aeruginosa as meat typical putrefying bacterium | |
| CN106198882A (en) | Gas-detecting device | |
| Szczurek et al. | Gas sensor array with broad applicability | |
| CN102095792B (en) | Online gas detection device based on carbon-nano-tube membrane micron-nano electrode | |
| CN205581087U (en) | New freshness detecting system of fish based on electron nose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |