CN102890057A - Portable quality detection device for simultaneously detecting sugar degree and hardness of fruit - Google Patents
Portable quality detection device for simultaneously detecting sugar degree and hardness of fruit Download PDFInfo
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- CN102890057A CN102890057A CN2012104076956A CN201210407695A CN102890057A CN 102890057 A CN102890057 A CN 102890057A CN 2012104076956 A CN2012104076956 A CN 2012104076956A CN 201210407695 A CN201210407695 A CN 201210407695A CN 102890057 A CN102890057 A CN 102890057A
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Abstract
The invention discloses a portable quality detection device for simultaneously detecting sugar degree and hardness of a fruit. The portable quality detection device comprises a signal acquiring part, a signal transmitting part and a host part. The common detection device has the defects of long detection time, high detection cost, low detection precision and inconvenience for carrying. Multiple components are integrated together, so that the portable quality detection device has a compact structure, and is convenient for carrying about; a fan is additionally arranged in the host box, so that the portable quality detection device has good heat radiation property and can be used for a long time; a spring is additionally provided, the sealing property between the fruit and an optical fiber probe is enhanced, and the detection precision is improved; the demands of fruit growth process monitoring, mature period prediction, fruit sugar degree and hardness grading can be met; and a device touch screen is changed into a touch screen, thus the portable quality detection device brings more convenience for the operation, is higher in detection speed, and is suitable for field rapid nondestructive detection of the sugar degree and the hardness of the fruit on the aspects of the inside quality. The portable quality detection device has the advantages of compact structure, small volume, simpleness in operation, and the like, and can realize rapid nondestructive detection of two indexes of the sugar degree and the hardness of the fruit.
Description
Technical field
The present invention relates to the device, particularly a kind of portable quality inspection device that detects simultaneously fruit pol and hardness of the relevant quality of a kind of energy Non-Destructive Testing fruit.
Background technology
Along with improving constantly of people's living standard, the consumer more and more payes attention to the inside quality of fruit when choosing fruit, and the sugar content of fruit is estimated the important indicator of fruit quality.At present, detect fruit internal quality and usually use chemico-analytic method, detect pol such as anthrone colourimetry or saccharometer, survey acidity with potential method, survey Vit C contents with colourimetry and high phase chromatography.Although these method accuracy of detection are higher, sample making course is loaded down with trivial details, and detection time is long, and testing cost is high, needs professional's operation, is difficult to fruit sample in enormous quantities is detected.Thereby quick nondestructive how to realize fruit outward appearance and inside quality detects the important topic that has become in China's fruit industrialization process.
At present more external countries have carried out some fundamental researchs to the pol of fruit internal, defective, degree of ripeness etc., and have developed some Portable fructose concentration detecting instruments based on the visible and near infrared spectrum technology.But drop into practical application and few, main cause be detection signal too a little less than, the not high and bad adaptability of accuracy of detection.
Among the Jap.P. No.09-089767, the fruit reflected light is after beam splitting system is processed, be divided into different wave length and shine on the photoelectric conversion unit, and process by calculating absorbance and second differential, then utilize wavelength to set up forecast model for the spectral value at 912nm and 888nm place.But the light splitting precision of this instrument is subject to the impact of the factors such as extraneous vibration and temperature variation easily, so accuracy of detection is not high.
Among the Jap.P. No.02808798.4, adopt the straight line continuous variable interference filter to become small-sized spectroscope to replace diffraction grating, more compact structure with linear pattern silicon array sensor combinations.But this instrument can only detect thin skin fruit, and is lower for pachydermia fruit accuracy of detection.
Described at home a kind of portable fruit quality nondestructive testing device of LED combined light source among the patent No.200910186328.6, this device is comprised of hardware unit and software systems.Hardware unit is comprised of illumination module, spectra collection module and spectral manipulation module; Software systems by spectra collection and spectral analysis realize that spectrum is read, deposited, the software of demonstration, parameter setting, forecast function formed.But the data processing unit of this device adopts desktop computer, under the operational circumstances, carries and inconvenience in the open air; Employed led light source, a little less than the luminous intensity, thereby the optical information about the fruit pol that causes photoelectric detection system to obtain is less, and accuracy of detection reduces.Adopt halogen tungsten lamp as light source among the patent No.200720105509.8, but do not use current regulator power supply, thereby cause easily light source luminescent intensity unstable, affect accuracy of detection.
In addition, fruit hardness is the important indicator of fruit quality, does not also have at present a kind of portable fruit detecting instrument, can detect simultaneously hardness and the inner pol content of fruit.
Summary of the invention
Patent of the present invention provides a kind of employing LED combined light source, with near-infrared spectral analysis technology, optical fiber sensing technology, stoichiometry learns a skill, the multiple technologies such as sensor technology are the basis, the portable fruit the cannot-harm-detection device take the pol of fruit and hardness as detected object.Overcome the defective that existing pick-up unit can only detect the single indexs such as pol or hardness, thereby satisfied the requirement of quick, harmless and Site Detection fruit pol and hardness.
Technical scheme of the present invention is:
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: signal acquisition part divides and comprises the coupling probe body, and the signal hop comprises Capacitive Displacement Sensor With High Accuracy data line, power lead, optical fiber; Host machine part comprises touch-screen, mainframe box, mainboard, fiber spectrometer, fan, lithium battery, voltage, current feedback regulating device, louvre, circular hole, switch.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: the coupling probe body comprises trip bolt, baffle plate, Capacitive Displacement Sensor With High Accuracy data line, spring, I circular hole, Capacitive Displacement Sensor With High Accuracy, upper round iron plate, fibre-optical probe, lower round iron plate, II circular hole, fibre-optical probe stationary installation, gland, condenser, LED combined light source, plug, handle, sample packing ring, projection.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: gland, the sample packing ring, handle links to each other successively by trip bolt, spring links to each other with the fibre-optical probe stationary installation with upper round iron plate respectively, be respectively equipped with the I circular hole on upper round iron plate and the lower round iron plate, the high precision displacement capacitive transducer lays respectively within round iron plate and the lower round iron plate, fibre-optical probe is between upper round iron plate and lower round iron plate, baffle plate is located in the coupling probe body and is linked to each other with handle, the straight tube of fibre-optical probe stationary installation is provided with two projections, the II circular hole is between fibre-optical probe and fibre-optical probe stationary installation, gland, condenser, the LED combined light source links to each other respectively successively, and plug is connected with handle.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: coupling probe body the inside is drilled with four holes, four holes become 90 ° uniformly at intervals along the circumferencial direction of coupling probe, the axis in each hole and the axis of coupling probe are into about 10 ° of angles, four led light sources are separately fixed in four holes, and are connected to a power lead above every led light source.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: be welded with round iron plate and lower round iron plate above the fibre-optical probe stationary installation, three high precision displacement capacitive transducers are fixed on round iron plate and the round iron plate, three high precision displacement capacitive transducers along the circumferencial direction of coupling probe body into about 120 ° uniformly at intervals, be connected to respectively a Capacitive Displacement Sensor With High Accuracy data line on three high precision displacement capacitive transducers.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: upper round iron plate sticks on three high precision displacement capacitive transducers, be provided with spring between lower round iron plate and the coupling probe body, spring is in certain compressive state, and projection inserts in the groove of coupling probe body, and projection can be free to slide in groove; Fibre-optical probe is fixed in the straight tube of fibre-optical probe stationary installation, and links to each other with mainframe box by optical fiber; Plug is close to the handle inwall, belongs to interference fit between the two.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: the LED combined light source comprises that 620nm, 850nm, 880nm and four kinds of led light sources of 940nm form, and becomes 90 ° uniformly at intervals along the circumferencial direction of coupling probe body, and the axis that the axis of every led light source and hand-held are popped one's head in is into about 10 ° of angles.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: data line links to each other by power lead with mainframe box with the optical fiber combination probe, touch-screen is located on the mainframe box, louvre, circular hole, device switch are located at the mainframe box right side, are provided with mainboard, fiber spectrometer, fan, lithium battery and voltage, current feedback regulating device in the mainframe box.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: touch-screen, fiber spectrometer, lithium battery link to each other with mainboard respectively, and fan links to each other by power lead with lithium battery respectively with voltage, current feedback regulating device.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: fiber spectrometer is connected on the mainboard by the USB line, mainboard carries out communication by com port and RS232 line and touch-screen, mainboard is powered to touch-screen by the USB line, with in the data-carrier store in the data write/read mainboard, this device medi-spring is in certain compressive state to mainboard by data line.
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part.Wherein: the software systems of this device are stored in the mainboard, and the electric signal that Capacitive Displacement Sensor With High Accuracy transmits is processed, can carry out setting, the spectrum of parameter collection, read, deposit, the processing of data, demonstration.
The invention has the advantages that: common pick-up unit, detection time is long, testing cost is high, accuracy of detection is low, be not easy to carry.The present invention integrates many components and parts, and compact conformation is convenient to carry; Install fan in the mainframe box additional, good heat dissipation can make device use for a long time; Add shock mount, strengthened the sealing between fruit and the fibre-optical probe, improved accuracy of detection; Can satisfy the demand of fruit growing process monitoring, maturity stage prediction and fruit pol, hardness classification, will install touch-screen and change touch-screen into, operate easylier, detection speed is faster, is applicable to the on-the-spot quick nondestructive detection of fruit internal quality pol and hardness.The present invention has compact conformation, volume is little and simple operation and other advantages, can realize simultaneously that the quick nondestructive of fruit pol and two kinds of indexs of hardness detects.
Description of drawings
Fig. 1 is coupling probe structural representation of the present invention.
Fig. 2 is that high precision displacement capacitive transducer of the present invention and fibre-optical probe are arranged synoptic diagram.
Fig. 3 is the vertical view of coupling probe of the present invention.
Fig. 4 is general structure synoptic diagram of the present invention.
Fig. 5 is course of work process flow diagram of the present invention.
Reference numeral: trip bolt 1, baffle plate 2, Capacitive Displacement Sensor With High Accuracy data line 3, spring 4, I circular hole 5, Capacitive Displacement Sensor With High Accuracy 6, upper round iron plate 7, fibre-optical probe 8, lower round iron plate 9, II circular hole 10, fibre-optical probe stationary installation 11, gland 12, condenser 13, LED combined light source 14, power lead 15, plug 16, optical fiber 17, handle 18, sample packing ring 19, coupling probe body 20, touch-screen 21, mainframe box 22, mainboard 23, fiber spectrometer 24, fan 25, lithium battery 26, voltage, current feedback regulating device 27, louvre 28, circular hole 29, switch 30, power lead 31, data line and optical fiber combination probe 32, projection 33.
Embodiment
Embodiment 1, a kind of portable quality inspection device that detects simultaneously fruit pol and hardness are comprised of signals collecting part, signal hop, host machine part.Wherein: signal acquisition part divides and comprises that coupling probe body 20, signal hop comprise Capacitive Displacement Sensor With High Accuracy data line 3, power lead 15, optical fiber 17; Host machine part comprises touch-screen 21, mainframe box 22, mainboard 23, fiber spectrometer 24, fan 25, lithium battery 26, voltage, current feedback regulating device 27, louvre 28, circular hole 29, switch 30.
Embodiment 2, a kind of portable quality inspection device that detects simultaneously fruit pol and hardness are comprised of signals collecting part, signal hop, host machine part.Wherein: coupling probe body 20 comprises trip bolt 1, baffle plate 2, spring 4, I circular hole 5, Capacitive Displacement Sensor With High Accuracy 6, upper round iron plate 7, fibre-optical probe 8, lower round iron plate 9, II circular hole 10, fibre-optical probe stationary installation 11, gland 12, condenser 13, LED combined light source 14, plug 16, handle 18, sample packing ring 19, projection 33.All the other are with embodiment 1.
Embodiment 7, a kind of portable quality inspection device that detects simultaneously fruit pol and hardness are comprised of signals collecting part, signal hop, host machine part.Wherein: LED combined light source 14 comprises that 620nm, 850nm, 880nm and four kinds of led light sources of 940nm form, and becomes 90 ° uniformly at intervals along the circumferencial direction of coupling probe body 20, and the axis of every led light source becomes 10 ° of angles with the axis that hand-held is popped one's head in.All the other are with embodiment 1 or 3.
Principle of work:
A kind of portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of three parts altogether: signals collecting part, signal hop, host machine part.Wherein: signals collecting partly is coupling probe body 20, and Main Function is the light signal information of pol of collecting fruit, and the electrical signal information of fruit hardness; Signal hop Main Function is that light signal information and electrical signal information that signals collecting partly collects are sent to host machine part; The Main Function of host machine part is to carry out reading, depositing of spectroscopic data, the setting of parameter, and the processing of data and demonstration, and provide power supply for led light source and Capacitive Displacement Sensor With High Accuracy 6.
Claims (6)
1. a portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part; It is characterized in that: signal acquisition part divides and comprises that coupling probe body (20), signal hop comprise Capacitive Displacement Sensor With High Accuracy data line (3), power lead (15), optical fiber (17); Host machine part comprises touch-screen (21), mainframe box (22), mainboard (23), fiber spectrometer (24), fan (25), lithium battery (26), voltage, current feedback regulating device (27), louvre (28), circular hole (29), switch (30).
2. a portable quality inspection device that detects simultaneously fruit pol and hardness is comprised of signals collecting part, signal hop, host machine part; It is characterized in that: signal acquisition part divides and comprises that coupling probe body (20), signal hop comprise Capacitive Displacement Sensor With High Accuracy data line (3), power lead (15), optical fiber (17); Host machine part comprises touch-screen (21), mainframe box (22), mainboard (23), fiber spectrometer (24), fan (25), lithium battery (26), voltage, current feedback regulating device (27), louvre (28), circular hole (29), switch (30); Coupling probe body (20) comprises trip bolt (1), baffle plate (2), spring (4), I circular hole (5), Capacitive Displacement Sensor With High Accuracy (6), upper round iron plate (7), fibre-optical probe (8), lower round iron plate (9), II circular hole (10), fibre-optical probe stationary installation (11), gland (12), condenser (13), LED combined light source (14), plug (16), handle (18), sample packing ring (19), projection (33); Gland (12), sample packing ring (19), handle (18) links to each other successively by trip bolt (1), spring (4) links to each other with fibre-optical probe stationary installation (11) with upper round iron plate (7) respectively, be respectively equipped with I circular hole (5) on upper round iron plate (7) and the lower round iron plate (9), high precision displacement capacitive transducer (6) is arranged at respectively on round iron plate (7) and the lower round iron plate (9), fibre-optical probe (8) is positioned between round iron plate (7) and the lower round iron plate (9), baffle plate (2) is located in the coupling probe body (20) and with handle (18) and is linked to each other, fibre-optical probe stationary installation (11) is provided with projection (33), II circular hole (10) is positioned between fibre-optical probe (8) and the fibre-optical probe stationary installation (11), gland (12) is connected with condenser (13), condenser (13) is connected with LED combined light source (14), and plug (16) is connected with handle (18).
3. a kind of portable quality inspection device that detects simultaneously fruit pol and hardness according to claim 2, it is characterized in that: be welded with round iron plate (7) and lower round iron plate (9) above the fibre-optical probe stationary installation (11), be fixed with three high precision displacement capacitive transducers (6) on upper round iron plate (7) and the lower round iron plate (9), three high precision displacement capacitive transducers (6) become 120 ° uniformly at intervals along the circumferencial direction of coupling probe body (20), are connected with Capacitive Displacement Sensor With High Accuracy data line (3) respectively on three high precision displacement capacitive transducers (6).
4. according to claim 2 or 3 described a kind of portable quality inspection devices that detect simultaneously fruit pol and hardness, it is characterized in that: high precision displacement capacitive transducer (6) sticks on the round iron plate (7), and high precision displacement capacitive transducer (6) sticks on lower round iron plate (9); Be provided with spring (4) between lower round iron plate (9) and the coupling probe body (20), projection (33) inserts in the groove of coupling probe body (20), and projection (33) can be free to slide in groove; The interior optical fiber (17) that also passes through of straight tube that fibre-optical probe (8) is fixed in fibre-optical probe stationary installation (11) links to each other with mainframe box (22); Plug (16) is close to handle (18) inwall.
5. a kind of portable quality inspection device that detects simultaneously fruit pol and hardness according to claim 2, it is characterized in that: optical fiber combination probe (32) links to each other with mainframe box (22) by power lead (31), touch-screen (21) is located on the mainframe box (22), louvre (28), circular hole (29), device switch (30) all is arranged on the side of mainframe box (22), is provided with mainboard (23) in the mainframe box (22), fiber spectrometer (24), fan (25), lithium battery (26) and voltage, current feedback regulating device (27) all is arranged in the mainframe box (22).
6. a kind of portable quality inspection device that detects simultaneously fruit pol and hardness according to claim 5, it is characterized in that: touch-screen (21), fiber spectrometer (24), lithium battery (26) all link to each other with mainboard (23), and fan (25) is connected with voltage, current feedback regulating device (27), lithium battery (26) successively by power lead (31).
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| CN201210407695.6A CN102890057B (en) | 2012-10-24 | 2012-10-24 | Portable quality detection device for simultaneously detecting sugar degree and hardness of fruit |
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| CN201210407695.6A CN102890057B (en) | 2012-10-24 | 2012-10-24 | Portable quality detection device for simultaneously detecting sugar degree and hardness of fruit |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034674A (en) * | 2014-05-23 | 2014-09-10 | 浙江大学 | Portable interior quality optical detection probe for thick-skin type fruits |
| CN104267077A (en) * | 2014-10-09 | 2015-01-07 | 中国农业科学院农业信息研究所 | Mango quality monitoring system |
| CN104568639A (en) * | 2013-10-11 | 2015-04-29 | 中国林业科学研究院资源信息研究所 | Method and device for determination of fruit sugar degree |
| CN104849235A (en) * | 2015-05-29 | 2015-08-19 | 南京工业职业技术学院 | Portable wearable fruit internal quality detection device |
| CN105527390A (en) * | 2015-12-31 | 2016-04-27 | 西安远景信息技术有限公司 | Fruit quality fast detector |
| CN107314943A (en) * | 2016-04-27 | 2017-11-03 | 上海颢屹汽车设计有限公司 | Cortex hardness detecting instrument |
| CN108375485A (en) * | 2018-02-26 | 2018-08-07 | 天津科润农业科技股份有限公司 | Radish sampling and quality identification analyzer and its application |
| CN108776138A (en) * | 2018-07-16 | 2018-11-09 | 武汉理工大学 | One kind is accelerated the ripening fruit library fruit quality on-Line Monitor Device |
| CN109632543A (en) * | 2019-01-02 | 2019-04-16 | 浙江大学 | Portable fruit hardness determination instrument |
| CN110108650A (en) * | 2019-05-29 | 2019-08-09 | 浙江理工大学 | Fruit internal quality detects height adaptive and temperature correction device |
| CN111060473A (en) * | 2020-01-15 | 2020-04-24 | 王丽娟 | Food quality analysis detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104568639A (en) * | 2013-10-11 | 2015-04-29 | 中国林业科学研究院资源信息研究所 | Method and device for determination of fruit sugar degree |
| CN104034674A (en) * | 2014-05-23 | 2014-09-10 | 浙江大学 | Portable interior quality optical detection probe for thick-skin type fruits |
| CN104267077B (en) * | 2014-10-09 | 2018-04-03 | 中国农业科学院农业信息研究所 | A kind of mango quality monitoring system |
| CN104267077A (en) * | 2014-10-09 | 2015-01-07 | 中国农业科学院农业信息研究所 | Mango quality monitoring system |
| CN104849235A (en) * | 2015-05-29 | 2015-08-19 | 南京工业职业技术学院 | Portable wearable fruit internal quality detection device |
| CN105527390A (en) * | 2015-12-31 | 2016-04-27 | 西安远景信息技术有限公司 | Fruit quality fast detector |
| CN107314943A (en) * | 2016-04-27 | 2017-11-03 | 上海颢屹汽车设计有限公司 | Cortex hardness detecting instrument |
| CN108375485A (en) * | 2018-02-26 | 2018-08-07 | 天津科润农业科技股份有限公司 | Radish sampling and quality identification analyzer and its application |
| CN108375485B (en) * | 2018-02-26 | 2024-01-16 | 天津科润农业科技股份有限公司 | Radish sampling and quality identification tester and application thereof |
| CN108776138A (en) * | 2018-07-16 | 2018-11-09 | 武汉理工大学 | One kind is accelerated the ripening fruit library fruit quality on-Line Monitor Device |
| CN109632543A (en) * | 2019-01-02 | 2019-04-16 | 浙江大学 | Portable fruit hardness determination instrument |
| CN109632543B (en) * | 2019-01-02 | 2024-01-09 | 浙江大学 | Portable fruit hardness detecting instrument |
| CN110108650A (en) * | 2019-05-29 | 2019-08-09 | 浙江理工大学 | Fruit internal quality detects height adaptive and temperature correction device |
| CN111060473A (en) * | 2020-01-15 | 2020-04-24 | 王丽娟 | Food quality analysis detection device |
| CN111060473B (en) * | 2020-01-15 | 2021-06-25 | 王丽娟 | Food quality analysis detection device |
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