CN109752320A - A kind of multiband Fast nondestructive evaluation strawberry freshness device - Google Patents
A kind of multiband Fast nondestructive evaluation strawberry freshness device Download PDFInfo
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- CN109752320A CN109752320A CN201910160429.XA CN201910160429A CN109752320A CN 109752320 A CN109752320 A CN 109752320A CN 201910160429 A CN201910160429 A CN 201910160429A CN 109752320 A CN109752320 A CN 109752320A
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- camera bellows
- conveyer belt
- multiband
- nondestructive evaluation
- fast nondestructive
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- 235000016623 Fragaria vesca Nutrition 0.000 title claims abstract description 38
- 235000011363 Fragaria x ananassa Nutrition 0.000 title claims abstract description 38
- 238000011156 evaluation Methods 0.000 title claims abstract description 25
- 240000009088 Fragaria x ananassa Species 0.000 title 1
- 241000220223 Fragaria Species 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 230000003028 elevating effect Effects 0.000 claims abstract description 19
- 238000012546 transfer Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 5
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 21
- 238000013461 design Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004298 light response Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
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Abstract
The invention discloses a kind of multiband Fast nondestructive evaluation strawberry freshness device, camera bellows bottom opening, light source and optical detector are located in camera bellows；Conveyer belt is located at below camera bellows, and conveyer belt is equipped with the multiple specimen holders set gradually along direction of transfer, and elevating mechanism is located at below camera bellows, and elevating mechanism rises for that will be located at the specimen holder below the opening, protrudes into the specimen holder in camera bellows from the opening.Pass through the multiband Fast nondestructive evaluation strawberry freshness device of above-mentioned optimization design, sample to be tested is sequentially sent to detect in camera bellows by conveyer belt, the multiposition multi-orientation detection of the strawberry sample of different shape size is realized by elevating mechanism and optical detector cooperation in camera bellows, to free of discontinuities, large batch of detection strawberry freshness, and detection speed is fast, greatly improves detection accuracy.
Description
Technical field
The present invention relates to fruits and vegetables freshness detection field more particularly to a kind of multiband Fast nondestructive evaluation strawberry freshness
Device.
Background technique
Strawberry is a kind of one of very high fruit of nutritive value, rich in nutrients such as various vitamins, pectin, moisture.
However for strawberry, it is difficult to maintain the freshness during storage.Once storage time is too long, nutrient is just in strawberry
It can seriously be lost, or even generate the substance being harmful to the human body.Conventional strawberry Noninvasive Measuring Method of Freshness is to rely primarily on people at present
Vision and smell, subjectivity is too strong, it is easy to will generate erroneous judgement, not be able to satisfy above-mentioned testing requirements.Spectrum skill in recent years
Art achieves good progress in the Fast nondestructive evaluation of fruit-vegetable quality, and detection speed can satisfy detection demand, but mesh
Before the strawberry freshness detection device based on the principle has not yet been formed, can not apply it in actual environment and detect.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes that a kind of multiband Fast nondestructive evaluation strawberry is new
Freshness device.
A kind of multiband Fast nondestructive evaluation strawberry freshness device proposed by the present invention, comprising: camera bellows, conveyer belt, liter
Descending mechanism, optical detector, light source；
Camera bellows bottom opening, light source and optical detector are located in camera bellows；
Conveyer belt is located at below camera bellows, and conveyer belt is equipped with the multiple specimen holders set gradually along direction of transfer, elevator
Structure is located at below camera bellows, and elevating mechanism is used to make the specimen holder open from described the specimen holder rising being located at below the opening
Mouth protrudes into camera bellows.
Preferably, conveyer belt is horizontally disposed.
Preferably, conveyer belt is equipped with multiple sample installation positions, and each installation position is equipped with construction opening, each sample
Product frame is removably mounted in the construction opening, and elevating mechanism includes lifting platform, and lifting platform is located at below conveyer belt.
Preferably, including multiple optical detectors, multiple optical detectors are located in same level.
Preferably, optical detector uses ultraviolet electric diode, visible light PIN photodiode or indium gallium arsenic PIN light
One or more of electric diode.
Preferably, camera bellows side wall is equipped with the feeding gate and discharge door being sequentially arranged along conveyer belt direction of transfer.
It preferably, further include height sensor, height sensor, which is located in camera bellows and is located at the feeding gate side, to be used for
Test sample height.
It preferably, further include photoelectric sensor, photoelectric sensor is located in camera bellows and is located above optical detector, photoelectric transfer
Sensor includes light emitting unit and light receiving unit, and conveyer belt is equipped with the multiple reflectors cooperated with photoelectric sensor, each
Reflector is located at a specimen holder side, and conveyer belt is connect for being passed according to the detection signal of photoelectric sensor with photoelectric sensor
Feeding sample.
Preferably, light source uses narrow-band line width tunable laser.
In the present invention, the multiband Fast nondestructive evaluation strawberry freshness device proposed, camera bellows bottom opening, light source and
Optical detector is located in camera bellows；Conveyer belt is located at below camera bellows, and conveyer belt is equipped with the multiple samples set gradually along direction of transfer
Product frame, elevating mechanism are located at below camera bellows, and elevating mechanism makes the sample for that will be located at the specimen holder rising below the opening
Product frame protrudes into camera bellows from the opening.By the multiband Fast nondestructive evaluation strawberry freshness device of above-mentioned optimization design,
Sample to be tested is sequentially sent to detect in camera bellows by conveyer belt, it is real by elevating mechanism and optical detector cooperation in camera bellows
The multiposition multi-orientation detection of the strawberry sample of existing different shape size, thus free of discontinuities, large batch of detection strawberry freshness,
And detection speed is fast, greatly improves detection accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multiband Fast nondestructive evaluation strawberry freshness device proposed by the present invention.
Specific embodiment
As shown in FIG. 1, FIG. 1 is a kind of structures of multiband Fast nondestructive evaluation strawberry freshness device proposed by the present invention
Schematic diagram.
Referring to Fig.1, a kind of multiband Fast nondestructive evaluation strawberry freshness device proposed by the present invention, comprising: camera bellows 1,
Conveyer belt 2, elevating mechanism, optical detector 3, light source 4；
1 bottom opening of camera bellows, light source 4 and optical detector 3 are located in camera bellows 1；
Conveyer belt 2 is located at 1 lower section of camera bellows, and conveyer belt 2 is equipped with the multiple specimen holders 6 set gradually along direction of transfer, rises
Descending mechanism is located at 1 lower section of camera bellows, and elevating mechanism makes the specimen holder 6 for that will be located at the rising of specimen holder 6 below the opening
It is protruded into camera bellows 1 from the opening.
In the present embodiment, the multiband Fast nondestructive evaluation strawberry freshness device proposed, camera bellows bottom opening, light
Source and optical detector are located in camera bellows；Conveyer belt is located at below camera bellows, and conveyer belt is more equipped with setting gradually along direction of transfer
A specimen holder, elevating mechanism are located at below camera bellows, and elevating mechanism makes institute for that will be located at the specimen holder rising below the opening
Specimen holder is stated to protrude into camera bellows from the opening.It is filled by the multiband Fast nondestructive evaluation strawberry freshness of above-mentioned optimization design
It sets, is sequentially sent to detect in camera bellows by sample to be tested by conveyer belt, be matched in camera bellows by elevating mechanism and optical detector
The multiposition multi-orientation detection for realizing the strawberry sample of different shape size is closed, avoids external environmental light to the shadow of testing result
It rings, thus free of discontinuities, large batch of detection strawberry freshness, and detection speed is fast, greatly improves detection accuracy.
In the specific embodiment of conveyer belt, conveyer belt 2 is horizontally disposed.
In further specific set-up mode, conveyer belt 2 is equipped with multiple sample installation positions, sets on each installation position
There is construction opening, each specimen holder 6 is removably mounted in the construction opening, and elevating mechanism includes lifting platform 5, lifting platform 5
Positioned at 2 lower section of conveyer belt；When work, lifting platform rises through construction opening and specimen holder is pushed to rise in camera bellows.
In other specific embodiments, including multiple optical detectors 3, multiple optical detectors 3 are located in same level,
Realize the detection in sustained height different angle to strawberry sample.
In the specific choice mode of optical detector, optical detector 3 uses ultraviolet electric diode, visible light PIN light
One or more of electric diode or indium gallium arsenic PIN photodiode.
In the specific design method of camera bellows, 1 side wall of camera bellows is equipped with the feeding gate being sequentially arranged along 2 direction of transfer of conveyer belt
And discharge door, sample are detected as conveyer belt enters camera bellows from feeding gate, are then sent out by discharge door, camera bellows when detection
It covers on above conveyer belt, further decreases influence of the ambient light to testing result.
It further include height sensor 7 in further specific embodiment, height sensor 7 is located in camera bellows 1 and is located at
The feeding gate side is used for test sample height, is examined by height sensor into camera bellows height of specimen to be detected
It surveys, so that elevating mechanism adjusts specimen holder lifting position according to the height of specimen of detection, so that sample is located at the inspection of optical detector
It surveys in section.
It further include photoelectric sensor in other specific embodiments, photoelectric sensor 9 is located in camera bellows 1 and is located at light
3 top of detector, photoelectric sensor 9 include light emitting unit and light receiving unit, and conveyer belt 2 is equipped with and photoelectric sensor 9
Multiple reflectors 8 of cooperation, each reflector 8 are located at 6 side of specimen holder, and conveyer belt 2 connect with photoelectric sensor 9 and is used for
Sample is transmitted according to the detection signal of photoelectric sensor 9；When specimen holder reaches right above lifting platform, light emitting unit hair
The optical signal penetrated is irradiated on reflector, and the optical signal that the reflecting piece that light receiving unit receives is reflected, conveyer belt will at this time
Stop transmission.
In the selection mode of light source, light source 4 uses narrow-band line width tunable laser, and the laser is by three narrow waves
Section laser system composition, wavelength band is respectively 350-550nm, 550-700nm, 700-1100nm, guarantees optical detector
Effect on Detecting.
In the specific detection mode of the multiband Fast nondestructive evaluation strawberry freshness device of the present embodiment, step is such as
Under:
Step 1: placing sample to be tested on the specimen holder of conveyer belt；
Step 2: conveyer belt stops transmitting at this time when correcting right above object arrival lifting platform, lifting platform starting, when
Where sample to be tested rises to optical detector when height, light source and optical detector starting, and point three sections of light for measuring the sample are rung
Intensity vector is answered, it is Lwn that average light response intensity vector, which is calculated, and measurement finishes, and lifting platform returns to home position；
Step 3: conveyer belt continues to move to, the position directly above for sample to be detected will be moved down being transported to lifting platform, according to
Step 2 measures and obtains the average light response intensity vector Ln of next strawberry sample.
Step 4: according to formulaThe absorptivity Abs for calculating strawberry sample, to be inhaled according to light
Yield obtains corresponding freshness.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of multiband Fast nondestructive evaluation strawberry freshness device characterized by comprising camera bellows (1), conveyer belt (2),
Elevating mechanism, optical detector (3), light source (4)；
Camera bellows (1) bottom opening, light source (4) and optical detector (3) are located in camera bellows (1)；
Conveyer belt (2) is located at below camera bellows (1), and conveyer belt (2) is equipped with the multiple specimen holders set gradually along direction of transfer
(6), elevating mechanism is located at below camera bellows (1), and elevating mechanism makes institute for that will be located at specimen holder (6) rising below the opening
Specimen holder (6) is stated to protrude into camera bellows (1) from the opening.
2. multiband Fast nondestructive evaluation strawberry freshness device according to claim 1, which is characterized in that conveyer belt
(2) horizontally disposed.
3. multiband Fast nondestructive evaluation strawberry freshness device according to claim 2, which is characterized in that conveyer belt
(2) multiple sample installation positions are equipped with, each installation position is equipped with construction opening, and each specimen holder (6) is detachably installed
In the construction opening, elevating mechanism includes lifting platform (5), and lifting platform (5) is located at below conveyer belt (2).
4. multiband Fast nondestructive evaluation strawberry freshness device according to claim 1, which is characterized in that including multiple
Optical detector (3), multiple optical detectors (3) are located in same level.
5. multiband Fast nondestructive evaluation strawberry freshness device according to claim 1 or 4, which is characterized in that light is visited
Device (3) are surveyed using one in ultraviolet electric diode, visible light PIN photodiode or indium gallium arsenic PIN photodiode
Or it is multiple.
6. multiband Fast nondestructive evaluation strawberry freshness device according to claim 1, which is characterized in that camera bellows (1)
Side wall is equipped with the feeding gate and discharge door being sequentially arranged along conveyer belt (2) direction of transfer.
7. multiband Fast nondestructive evaluation strawberry freshness device according to claim 6, which is characterized in that further include height
It spends sensor (7), height sensor (7) is located in camera bellows (1) and is located at the feeding gate side for test sample height.
8. multiband Fast nondestructive evaluation strawberry freshness device according to claim 1, which is characterized in that further include light
Electric transducer (9), photoelectric sensor are located in camera bellows (1) and are located above optical detector (3), and photoelectric sensor (9) includes light
Transmitting unit and light receiving unit, conveyer belt (2) is equipped with the multiple reflectors (8) cooperated with photoelectric sensor (9), each anti-
Tabula rasa (8) is located at specimen holder (6) side, and conveyer belt (2) is connect with photoelectric sensor (9) for according to photoelectric sensor
It detects signal and transmits sample.
9. multiband Fast nondestructive evaluation strawberry freshness device according to claim 1, which is characterized in that light source (4)
Using narrow-band line width tunable laser.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160429.XA CN109752320A (en) | 2019-03-04 | 2019-03-04 | A kind of multiband Fast nondestructive evaluation strawberry freshness device |
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| CN201910160429.XA CN109752320A (en) | 2019-03-04 | 2019-03-04 | A kind of multiband Fast nondestructive evaluation strawberry freshness device |
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| CN109752320A true CN109752320A (en) | 2019-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018947A (en) * | 2021-10-21 | 2022-02-08 | 武汉理工大学 | High reflection of light plastic bottle lid surface flaw detection device |
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| JP2002365219A (en) * | 2001-06-06 | 2002-12-18 | Takara Keiki Seisakusho:Kk | Conveyance treatment apparatus |
| JP2004037470A (en) * | 2003-09-16 | 2004-02-05 | Kubota Corp | Apparatus for evaluating internal quality of agricultural produce |
| JP2005043315A (en) * | 2003-07-25 | 2005-02-17 | Yanmar Co Ltd | Nondestructive quality determination apparatus for agricultural product |
| CN104749190A (en) * | 2015-04-02 | 2015-07-01 | 华中农业大学 | Online visual inspection device and online visual inspection method for cracks on surface of poultry eggs |
| CN205719951U (en) * | 2016-05-24 | 2016-11-23 | 西北农林科技大学 | Detect black box and utilize the lossless quick detection equipment of Apple Mould Core of this detection black box |
| CN206772821U (en) * | 2017-03-01 | 2017-12-19 | 花锦 | A kind of device of the lossless quick detection of raw meat freshness |
| CN210982205U (en) * | 2019-03-04 | 2020-07-10 | 安徽大学 | Multi-band quick nondestructive testing device for strawberry freshness |
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2019
- 2019-03-04 CN CN201910160429.XA patent/CN109752320A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002365219A (en) * | 2001-06-06 | 2002-12-18 | Takara Keiki Seisakusho:Kk | Conveyance treatment apparatus |
| JP2005043315A (en) * | 2003-07-25 | 2005-02-17 | Yanmar Co Ltd | Nondestructive quality determination apparatus for agricultural product |
| JP2004037470A (en) * | 2003-09-16 | 2004-02-05 | Kubota Corp | Apparatus for evaluating internal quality of agricultural produce |
| CN104749190A (en) * | 2015-04-02 | 2015-07-01 | 华中农业大学 | Online visual inspection device and online visual inspection method for cracks on surface of poultry eggs |
| CN205719951U (en) * | 2016-05-24 | 2016-11-23 | 西北农林科技大学 | Detect black box and utilize the lossless quick detection equipment of Apple Mould Core of this detection black box |
| CN206772821U (en) * | 2017-03-01 | 2017-12-19 | 花锦 | A kind of device of the lossless quick detection of raw meat freshness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114018947A (en) * | 2021-10-21 | 2022-02-08 | 武汉理工大学 | High reflection of light plastic bottle lid surface flaw detection device |
| CN114018947B (en) * | 2021-10-21 | 2023-11-07 | 武汉理工大学 | High reflection of light plastic bottle lid surface flaw detection device |
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