CN105067785A - Device and method used for detecting mutton freshness - Google Patents
Device and method used for detecting mutton freshness Download PDFInfo
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- CN105067785A CN105067785A CN201510482909.XA CN201510482909A CN105067785A CN 105067785 A CN105067785 A CN 105067785A CN 201510482909 A CN201510482909 A CN 201510482909A CN 105067785 A CN105067785 A CN 105067785A
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Abstract
The invention discloses a device and a method used for detecting mutton freshness. The device comprises a data processing module, and a smell detection module, an output module, and a power supply module which are connected with the data processing module respectively; the smell detection module comprises sensor arrays which are sensitive to 3-methyl-1-butanol and 3-hydroxy-2-butanone gas respectively, and are sensitive to at least one kind of gas selected from 2-butanone, 2-methylbutyraldehyde, 3-methylbutyraldehyde, and trichloromethane; the data processing module comprises a MCU and a smell concentration detection threshold database communicated with the MCU; smell concentration data of gas the sensor arrays are sensitive to is collected by the sensor arrays, and is send to the data processing module; and processing results are send by the data processing module to the output module. Compared with the prior art, the method is low in cost; quality detection time is shortened; and objective, rapid, nondestructive detection on the change of freshness of mutton is storage processes can be realized.
Description
Technical field
The present invention relates to pick-up unit and the method and technology field of freshness of meat, in particular a kind of device and method detecting mutton freshness.
Background technology
Mutton protein content is high, unique flavor, and metabolism of lipid and cholesterol content is low, easily digest and assimilate, and is the characteristic meat product integrating nutrition and health care.In recent years, mutton is deeply by the favor of consumer, and volume of production and marketing constantly expands.But mutton easily occurs putrid and deteriorated by the impact of environmental factor in production, circulation, storage, even produces poisonous and harmful substance, works the mischief to eater, cause heavy losses to manufacturing enterprise, therefore, the freshness inspection of mutton is particularly important.At present, to detection mainly organoleptic detection, Physico-chemical tests and the biological detection of the freshness of mutton.Organoleptic detection subjective factor is large, Physico-chemical tests and biological detection is consuming time and process complicated, is especially not suitable for the on-line checkingi of refrigerator food freshness.Therefore a kind of method of freshness of the objective refrigerator of accurate evaluation fast storage mutton is newly needed.
Gas chromatograph-mass spectrometer can escaping gas that is objective, assess sample accurately and quickly, and reproducible.Be widely used in the detection of the food such as fruit wine, meat volatile ingredient in recent years.At present, Chinese scholars utilizes biological and optical technology etc. to be studied mutton freshness and Quality Detection.Shu Baihua etc. utilize ATP bioluminescent assay technology and body cell clearance technique to detect mutton bacterial contamination, and the method for cultivation of bacteria of result display ATP bioluminescent assay technology and standard has good correlativity (r
2=0.98).Li Weini etc. utilize low-field nuclear magnetic resonance technology, have studied different in moisture distribution and variation situation in refrigeration chevon, and the shelf life that result can be used for chevon refrigeration detects fast.Rajamak and Panigrah etc. utilize Electronic Nose Technology to detect meat freshness, and it is feasible that result verification Electronic Nose is used for meat inspection.By resistance technique, Wang Guanghua finds that fresh meat is to the regular decline of resistance value of corrupt meat, can detect the freshness of meat accordingly.But these methods drop into higher mostly, and can not determine meat from fresh to the essence of corruption, the judgement of freshness in refrigerator can not be applied.
Summary of the invention
The present invention, just in order to avoid the weak point existing for above-mentioned prior art, provides a kind of device and method detecting mutton freshness.
The present invention is that technical solution problem adopts following technical scheme:
A kind of device detecting mutton freshness, it is characterized in that: the odor detection module comprising data processing module and be connected respectively at described data processing module, output module, supply module, described odor detection module comprises sensor array, described sensor array is respectively to 3-methyl-1-butanol and 3-hydroxy-2-butanone gas sensitization, described sensor array is also to 2-butanone, 2 methyl butyraldehyde, at least one gas sensitization in 3-methylbutyraldehyd and methenyl choloride, described data processing module comprises MCU and the odorousness detection threshold database with described MCU communication, 3-methyl-1-butanol is stored respectively in described odorousness detection threshold database, 3-hydroxy-2-butanone, 2-butanone, 2 methyl butyraldehyde, the odorousness detection threshold of 3-methylbutyraldehyd and methenyl choloride, described sensor array gathers the odorousness of the gas of its sensitivity and is transferred to described data processing module, result is sent to described output module by described data processing module.
As the preferred implementation of said apparatus, in described odorousness detection threshold database, the odorousness detection threshold scope of described 3-methyl-1-butanol is 175-176 μ g/L, the odorousness detection threshold scope of described 3-hydroxy-2-butanone is 159-160 μ g/L, the odorousness detection threshold scope of described 2-butanone is 92-93 μ g/L, the odorousness detection threshold scope of described 2 methyl butyraldehyde is 5-6 μ g/L, the odorousness detection threshold scope of described 3-methylbutyraldehyd is 27-28 μ g/L, the odorousness detection threshold scope of described methenyl choloride is 30-31 μ g/L.
As the preferred implementation of said apparatus, described output module is at least one in LED display, light emitting diode and hummer.
The invention also discloses a kind of method detecting mutton freshness, described method adopts the device of above-mentioned detection mutton freshness, and it is characterized in that, described method comprises the steps:
(1) the odorousness detection threshold of 3-methyl-1-butanol, 3-hydroxy-2-butanone, 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is set respectively in the odorousness detection threshold database of data processing module, obtains the odorousness detection threshold of each gas;
(2) around mutton to be detected, the odorousness of 3-methyl-1-butanol and 3-hydroxy-2-butanone gas is detected by the sensor array of odor detection module, and the odorousness of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride, obtain the actual odorousness value of each gas;
(3) the actual odorousness value of each gas obtained is transferred to data processing module by described odor detection module, and described data processing module obtains result by following condition:
When the actual odorousness value of 3-methyl-1-butanol meets or exceeds its odorousness detection threshold, and when the actual odorousness value of 3-hydroxy-2-butanone meets or exceeds its odorousness detection threshold, then mutton is pointed out to lose fresh;
When the actual odorousness value of 3-methyl-1-butanol meets or exceeds its odorousness detection threshold, and the actual odorousness value of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is when meeting or exceeding corresponding odorousness detection threshold, then mutton is pointed out to lose fresh;
When the actual odorousness value of 3-hydroxy-2-butanone meets or exceeds its odorousness detection threshold, and the actual odorousness value of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is when meeting or exceeding corresponding odorousness detection threshold, then mutton is pointed out to lose fresh;
(4) result obtained is sent to output module and carries out output display by described data processing module.
As the preferred implementation of said method, in described odorousness detection threshold database, the odorousness detection threshold scope of described 3-methyl-1-butanol is 175-176 μ g/L, the odorousness detection threshold scope of described 3-hydroxy-2-butanone is 159-160 μ g/L, the odorousness detection threshold scope of described 2-butanone is 92-93 μ g/L, the odorousness detection threshold scope of described 2 methyl butyraldehyde is 5-6 μ g/L, the odorousness detection threshold scope of described 3-methylbutyraldehyd is 27-28 μ g/L, the odorousness detection threshold scope of described methenyl choloride is 30-31 μ g/L.
As the preferred implementation of said method, described output module is at least one in LED display, light emitting diode and hummer.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The device and method of detection mutton freshness provided by the invention, when not destroying mutton, the freshness of smell to mutton come out in refrigerator or other containers store processes by mutton is detected, compare the loss that traditional detection method decreases product and medicine, input cost is low, also save the time of Quality Detection, can freshness change objectively, in the detection mutton storing process of quick nondestructive, provide technical support to exploitation refrigerator Intelligent Measurement food freshness.
Accompanying drawing explanation
Fig. 1 is apparatus structure block diagram of the present invention.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
See Fig. 1, a kind of device detecting mutton freshness that the present embodiment provides, the odor detection module 2 comprising data processing module 1 and be connected respectively at data processing module 1, output module 3, supply module 4, odor detection module 2 comprises sensor array, this sensor array is respectively to 3-methyl-1-butanol and 3-hydroxy-2-butanone gas sensitization, sensor array is also to 2-butanone, 2 methyl butyraldehyde, at least one gas sensitization in 3-methylbutyraldehyd and methenyl choloride, data processing module 1 comprises MCU and the odorousness detection threshold database with MCU communication, 3-methyl-1-butanol is stored respectively in odorousness detection threshold database, 3-hydroxy-2-butanone, 2-butanone, 2 methyl butyraldehyde, the odorousness detection threshold of 3-methylbutyraldehyd and methenyl choloride, sensor array gathers the odorousness of the gas of its sensitivity and is transferred to data processing module 1 and the odorousness detection threshold of the gas corresponding with odorousness detection threshold database compares, result is sent to output module 3 and carries out output display by final data processing module 1.Output module 3 can be at least one in LED display, light emitting diode and hummer.The supply module 4 of this device can realize power supply supply by internal battery or charging modes.
Wherein, in odorousness detection threshold database, the odorousness detection threshold scope of 3-methyl-1-butanol is 175-176 μ g/L, the odorousness detection threshold scope of 3-hydroxy-2-butanone is 159-160 μ g/L, the odorousness detection threshold scope of 2-butanone is 92-93 μ g/L, the odorousness detection threshold scope of 2 methyl butyraldehyde is 5-6 μ g/L, the odorousness detection threshold scope of 3-methylbutyraldehyd is 27-28 μ g/L, and the odorousness detection threshold scope of methenyl choloride is 30-31 μ g/L.
The independently device that this device is as a whole, can detect the freshness of mutton in storing process in refrigerator or other storage containers, and can be placed on the optional position in refrigerator or other storage containers.
The present embodiment additionally provides a kind of method detecting mutton freshness, and the method uses the device of above-mentioned detection mutton freshness, and the method comprises the steps:
(1) the odorousness detection threshold of 3-methyl-1-butanol, 3-hydroxy-2-butanone, 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is set respectively in the odorousness detection threshold database of data processing module 1, obtains the odorousness detection threshold of each gas;
(2) around mutton to be detected, the odorousness of 3-methyl-1-butanol and 3-hydroxy-2-butanone gas is detected by the sensor array of odor detection module 2, and the odorousness of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride, obtain the actual odorousness value of each gas;
(3) the actual odorousness value of each gas obtained is transferred to data processing module 1 by odor detection module 2, and data processing module 1 obtains result by following condition:
When the actual odorousness value of 3-methyl-1-butanol meets or exceeds its odorousness detection threshold, and when the actual odorousness value of 3-hydroxy-2-butanone meets or exceeds its odorousness detection threshold, then mutton is pointed out to lose fresh;
When the actual odorousness value of 3-methyl-1-butanol meets or exceeds its odorousness detection threshold, and the actual odorousness value of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is when meeting or exceeding corresponding odorousness detection threshold, then mutton is pointed out to lose fresh;
When the actual odorousness value of 3-hydroxy-2-butanone meets or exceeds its odorousness detection threshold, and the actual odorousness value of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is when meeting or exceeding corresponding odorousness detection threshold, then mutton is pointed out to lose fresh;
(4) result obtained is sent to output module 3 and carries out output display by data processing module 1.Output module 3 output contents can be text prompt, light prompt or auditory tone cues, respectively corresponding LED display, light emitting diode or hummer.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. one kind is detected the device of mutton freshness, it is characterized in that: the odor detection module (2) comprising data processing module (1) and be connected respectively at described data processing module (1), output module (3), supply module (4), described odor detection module (2) comprises sensor array, described sensor array is respectively to 3-methyl-1-butanol and 3-hydroxy-2-butanone gas sensitization, described sensor array is also to 2-butanone, 2 methyl butyraldehyde, at least one gas sensitization in 3-methylbutyraldehyd and methenyl choloride, described data processing module (1) comprises MCU and the odorousness detection threshold database with described MCU communication, 3-methyl-1-butanol is stored respectively in described odorousness detection threshold database, 3-hydroxy-2-butanone, 2-butanone, 2 methyl butyraldehyde, the odorousness detection threshold of 3-methylbutyraldehyd and methenyl choloride, described sensor array gathers the odorousness of the gas of its sensitivity and is transferred to described data processing module (1), result is sent to described output module (3) by described data processing module (1).
2. a kind of device detecting mutton freshness as claimed in claim 1, it is characterized in that: in described odorousness detection threshold database, the odorousness detection threshold scope of described 3-methyl-1-butanol is 175-176 μ g/L, the odorousness detection threshold scope of described 3-hydroxy-2-butanone is 159-160 μ g/L, the odorousness detection threshold scope of described 2-butanone is 92-93 μ g/L, the odorousness detection threshold scope of described 2 methyl butyraldehyde is 5-6 μ g/L, the odorousness detection threshold scope of described 3-methylbutyraldehyd is 27-28 μ g/L, the odorousness detection threshold scope of described methenyl choloride is 30-31 μ g/L.
3. a kind of device detecting mutton freshness as claimed in claim 1, is characterized in that: described output module (3) is LED display, at least one in light emitting diode and hummer.
4. detect a method for mutton freshness, described method adopts the device of detection mutton freshness according to claim 1, and it is characterized in that, described method comprises the steps:
(1) the odorousness detection threshold of 3-methyl-1-butanol, 3-hydroxy-2-butanone, 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is set respectively in the odorousness detection threshold database of data processing module (1), obtains the odorousness detection threshold of each gas;
(2) around mutton to be detected, the odorousness of 3-methyl-1-butanol and 3-hydroxy-2-butanone gas is detected by the sensor array of odor detection module (2), and the odorousness of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride, obtain the actual odorousness value of each gas;
(3) the actual odorousness value of each gas obtained is transferred to data processing module (1) by described odor detection module (2), and described data processing module (1) obtains result by following condition:
When the actual odorousness value of 3-methyl-1-butanol meets or exceeds its odorousness detection threshold, and when the actual odorousness value of 3-hydroxy-2-butanone meets or exceeds its odorousness detection threshold, then mutton is pointed out to lose fresh;
When the actual odorousness value of 3-methyl-1-butanol meets or exceeds its odorousness detection threshold, and the actual odorousness value of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is when meeting or exceeding corresponding odorousness detection threshold, then mutton is pointed out to lose fresh;
When the actual odorousness value of 3-hydroxy-2-butanone meets or exceeds its odorousness detection threshold, and the actual odorousness value of at least one gas in 2-butanone, 2 methyl butyraldehyde, 3-methylbutyraldehyd and methenyl choloride is when meeting or exceeding corresponding odorousness detection threshold, then mutton is pointed out to lose fresh;
(4) result obtained is sent to output module (3) and carries out output display by described data processing module (1).
5. a kind of method detecting mutton freshness as claimed in claim 4, it is characterized in that: in described odorousness detection threshold database, the odorousness detection threshold scope of described 3-methyl-1-butanol is 175-176 μ g/L, the odorousness detection threshold scope of described 3-hydroxy-2-butanone is 159-160 μ g/L, the odorousness detection threshold scope of described 2-butanone is 92-93 μ g/L, the odorousness detection threshold scope of described 2 methyl butyraldehyde is 5-6 μ g/L, the odorousness detection threshold scope of described 3-methylbutyraldehyd is 27-28 μ g/L, the odorousness detection threshold scope of described methenyl choloride is 30-31 μ g/L.
6. a kind of method detecting mutton freshness as claimed in claim 4, is characterized in that: described output module (3) is LED display, at least one in light emitting diode and hummer.
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Cited By (3)
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| CN110470805A (en) * | 2019-08-12 | 2019-11-19 | 中国农业科学院农产品加工研究所 | Hot fresh mutton determination method |
| CN110618242A (en) * | 2018-09-25 | 2019-12-27 | 北京锐康远中科技有限公司 | Method for detecting freshness of pork |
| CN112578083A (en) * | 2020-12-08 | 2021-03-30 | 中国科学技术大学 | Modular detection device for odor identification and related methods |
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Application publication date: 20151118 |