CN210982205U - Multi-band quick nondestructive testing device for strawberry freshness - Google Patents
Multi-band quick nondestructive testing device for strawberry freshness Download PDFInfo
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- CN210982205U CN210982205U CN201920273255.3U CN201920273255U CN210982205U CN 210982205 U CN210982205 U CN 210982205U CN 201920273255 U CN201920273255 U CN 201920273255U CN 210982205 U CN210982205 U CN 210982205U
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Abstract
The utility model discloses a multiband quick nondestructive testing device for strawberry freshness, which is characterized in that the bottom of a dark box is provided with an opening, and a light source and a light detector are positioned in the dark box; the conveyer belt is located the camera bellows below, is equipped with a plurality of sample frame that set gradually along direction of transfer on the conveyer belt, and elevating system is located the camera bellows below, and elevating system is used for will being located the sample frame of opening below rises, makes the sample frame is followed the opening stretches into in the camera bellows. Through the new freshness device of quick nondestructive test strawberry of multiband of above-mentioned optimal design, will wait to detect the sample and send into the camera bellows in proper order through the conveyer belt and detect, realize the multiposition multi-angle detection of the strawberry sample of different shape sizes through elevating system and light detector cooperation in the camera bellows to uninterrupted, large batch detection strawberry is new freshness, and detects fastly, improves the detection precision greatly.
Description
Technical Field
The utility model relates to a fresh detection area of fruit vegetables especially relates to a new freshness device of quick nondestructive test strawberry of multiband.
Background
Strawberry is one of fruits with high nutritive value, and is rich in various nutrient elements such as vitamins, pectin, water and the like. However, it is difficult for strawberries to maintain freshness during storage. Once the strawberry is stored for a long time, nutrient elements in the strawberries are seriously lost, and even substances harmful to human bodies are generated. At present, the conventional strawberry freshness detection method mainly depends on human vision and smell, is too subjective, can easily generate misjudgment, and cannot meet the detection requirements. In recent years, the spectrum technology has been well developed in the fast nondestructive detection of the fruit and vegetable quality, the detection speed can meet the detection requirement, but at present, a strawberry freshness detection device based on the principle is not formed, and the device cannot be applied to the actual environment for detection.
SUMMERY OF THE UTILITY MODEL
For the technical problem who exists among the solution background art, the utility model provides a new freshness device of quick nondestructive test strawberry of multiband.
The utility model provides a pair of new freshness device of quick nondestructive test strawberry of multiband, include: a camera bellows, a conveyor belt, a lifting mechanism, a light detector and a light source;
the bottom of the dark box is provided with an opening, and the light source and the light detector are positioned in the dark box;
the conveyer belt is located the camera bellows below, is equipped with a plurality of sample frame that set gradually along direction of transfer on the conveyer belt, and elevating system is located the camera bellows below, and elevating system is used for will being located the sample frame of opening below rises and makes the sample frame is followed the opening stretches into in the camera bellows.
Preferably, the conveyor belt is arranged horizontally.
Preferably, be equipped with a plurality of sample installation positions on the conveyer belt, every be equipped with the installation opening on the installation position, every sample frame demountable installation in the installation opening, elevating system includes the elevating platform, and the elevating platform is located the conveyer belt below.
Preferably, a plurality of light detectors are included, the plurality of light detectors being located on the same horizontal plane.
Preferably, the light detector employs one or more of an ultraviolet photodiode, a visible PIN photodiode, or an indium gallium arsenide PIN photodiode.
Preferably, the side walls of the camera bellows are provided with a feed gate and a discharge gate arranged in sequence along the conveying direction of the conveyor belt.
Preferably, the device further comprises a height sensor, wherein the height sensor is positioned in the dark box and positioned on one side of the feeding door and used for detecting the height of the sample.
Preferably, still include photoelectric sensor, photoelectric sensor is located the camera bellows and is located the light detector top, and photoelectric sensor includes light-emitting unit and light receiving unit, is equipped with a plurality of reflectors with photoelectric sensor complex on the conveyer belt, and every reflector panel is located a sample frame one side, and the conveyer belt is connected with photoelectric sensor and is used for transmitting the sample according to photoelectric sensor's detected signal.
Preferably, the light source employs a narrow-band line-width tunable laser.
In the multi-band rapid nondestructive testing device for strawberry freshness, the bottom of the dark box is provided with an opening, and the light source and the light detector are positioned in the dark box; the conveyer belt is located the camera bellows below, is equipped with a plurality of sample frame that set gradually along direction of transfer on the conveyer belt, and elevating system is located the camera bellows below, and elevating system is used for will being located the sample frame of opening below rises and makes the sample frame is followed the opening stretches into in the camera bellows. Through the new freshness device of quick nondestructive test strawberry of multiband of above-mentioned optimal design, will wait to detect the sample and send into the camera bellows in proper order through the conveyer belt and detect, realize the multiposition multi-angle detection of the strawberry sample of different shape sizes through elevating system and light detector cooperation in the camera bellows to uninterrupted, large batch detection strawberry is new freshness, and detects fastly, improves the detection precision greatly.
Drawings
Fig. 1 is a schematic structural diagram of a multiband quick nondestructive testing device for strawberry freshness according to the present invention.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic structural diagram of a multiband quick nondestructive testing device for strawberry freshness according to the present invention.
Referring to fig. 1, the utility model provides a new freshness device of quick nondestructive test strawberry of multiband, include: the device comprises a camera bellows 1, a conveyor belt 2, a lifting mechanism, a light detector 3 and a light source 4;
the bottom of the dark box 1 is open, and the light source 4 and the light detector 3 are positioned in the dark box 1;
In the embodiment, the multiband quick nondestructive testing device for strawberry freshness comprises a black box, a light source and a light detector, wherein the bottom of the black box is provided with an opening; the conveyer belt is located the camera bellows below, is equipped with a plurality of sample frame that set gradually along direction of transfer on the conveyer belt, and elevating system is located the camera bellows below, and elevating system is used for will being located the sample frame of opening below rises and makes the sample frame is followed the opening stretches into in the camera bellows. Through the new freshness device of quick nondestructive test strawberry of multiband of above-mentioned optimal design, will wait to detect the sample and send into the camera bellows in proper order through the conveyer belt and detect, realize the multiposition multi-angle detection of the strawberry sample of different shape sizes through elevating system and light detector cooperation in the camera bellows, avoid external environment light to the influence of testing result to be uninterrupted, large batch detection strawberry new freshness, and detect fastly, improve the detection precision greatly.
In a particular embodiment of the conveyor belt, the conveyor belt 2 is arranged horizontally.
In a further specific arrangement mode, a plurality of sample mounting positions are arranged on the conveyor belt 2, a mounting opening is formed in each mounting position, each sample rack 6 is detachably mounted in each mounting opening, the lifting mechanism comprises a lifting platform 5, and the lifting platform 5 is located below the conveyor belt 2; during operation, the lifting platform rises to penetrate through the mounting opening to push the sample rack to rise into the dark box.
In other specific embodiments, a plurality of light detectors 3 are included, and the plurality of light detectors 3 are located on the same horizontal plane, so that detection of strawberry samples at the same height and different angles is realized.
In a specific selection of the light detector, the light detector 3 employs one or more of an ultraviolet photodiode, a visible PIN photodiode, or an indium gallium arsenide PIN photodiode.
In the concrete design of camera bellows, 1 lateral wall of camera bellows is equipped with the feed gate and the discharge gate that arrange in proper order along 2 direction of transfer of conveyer belt, and the sample detects along with the conveyer belt from the feed gate entering camera bellows, then sees off through the discharge gate, and the camera bellows covers in the conveyer belt top during the detection, further reduces the influence of ambient light to testing result.
In a further specific embodiment, the device further comprises a height sensor 7, wherein the height sensor 7 is positioned in the camera bellows 1 and on one side of the feeding door and used for detecting the height of a sample, the height sensor is used for detecting the height of the sample entering the camera bellows to be detected, and therefore the lifting mechanism adjusts the lifting position of the sample rack according to the detected height of the sample, and the sample is positioned in a detection interval of the optical detector.
In other specific embodiments, the system further comprises a photoelectric sensor, the photoelectric sensor 9 is located in the dark box 1 and above the optical detector 3, the photoelectric sensor 9 comprises a light emitting unit and a light receiving unit, the conveyor belt 2 is provided with a plurality of light reflecting plates 8 matched with the photoelectric sensor 9, each light reflecting plate 8 is located on one side of one sample holder 6, and the conveyor belt 2 is connected with the photoelectric sensor 9 and used for transmitting a sample according to a detection signal of the photoelectric sensor 9; when the sample frame arrives directly over the elevating platform, the light signal that the light emission unit launched shines on the reflector panel, and the light signal that the light receiving unit received the reflector panel reflection, and the conveyer belt will stop the conveying this moment.
In the selection mode of the light source, the light source 4 adopts a narrow-band line width tunable laser, the laser is composed of three narrow-band laser systems, and the band ranges are respectively 350-.
In a specific detection mode of the multiband quick nondestructive detection strawberry freshness device of the embodiment, the steps are as follows:
placing a sample to be detected on a sample rack of a conveyor belt;
step two, when the correction object reaches the position right above the lifting platform, the conveying belt stops conveying, the lifting platform is started, when the sample to be detected rises to the height of the optical detector, the light source and the optical detector are started, the light response intensity vector of the sample is measured in three sections, the average light response intensity vector obtained by calculation is L wn, and after the measurement is finished, the lifting platform returns to the original position;
and step three, the conveyor belt continuously moves, the sample to be detected which moves downwards is conveyed to the position right above the lifting table, and the average light response intensity vector L n of the next strawberry sample is measured and obtained according to the step two.
Step four, according to the formula
And calculating the absorptivity Abs of the strawberry sample, so as to obtain the corresponding freshness according to the light absorptivity.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A multi-band rapid nondestructive testing device for strawberry freshness, which is characterized by comprising: the device comprises a camera bellows (1), a conveyor belt (2), a lifting mechanism, a light detector (3) and a light source (4);
the bottom of the dark box (1) is provided with an opening, and the light source (4) and the light detector (3) are positioned in the dark box (1);
the conveying belt (2) is positioned below the camera bellows (1), the conveying belt (2) is provided with a plurality of sample racks (6) which are sequentially arranged along the conveying direction, the lifting mechanism is positioned below the camera bellows (1), and the lifting mechanism is used for lifting the sample racks (6) positioned below the opening to enable the sample racks (6) to extend into the camera bellows (1) from the opening;
still include photoelectric sensor (9), photoelectric sensor is located camera bellows (1) and is located light detector (3) top, photoelectric sensor (9) are including light emission unit and light receiving unit, be equipped with on conveyer belt (2) with a plurality of reflectors (8) of photoelectric sensor (9) complex, every reflector (8) are located one side of sample frame (6), conveyer belt (2) are connected with photoelectric sensor (9) and are used for transmitting the sample according to photoelectric sensor's detection signal.
2. The multiband fast nondestructive testing strawberry freshness apparatus according to claim 1, wherein the conveyor belt (2) is arranged horizontally.
3. The multiband fast nondestructive testing strawberry freshness degree device according to claim 2, wherein a plurality of sample mounting positions are arranged on the conveyor belt (2), each mounting position is provided with a mounting opening, each sample holder (6) is detachably mounted in the mounting opening, the lifting mechanism comprises a lifting platform (5), and the lifting platform (5) is positioned below the conveyor belt (2).
4. The multiband fast nondestructive testing strawberry freshness apparatus according to claim 1, comprising a plurality of light detectors (3), wherein the plurality of light detectors (3) are located on the same horizontal plane.
5. The multiband fast nondestructive testing strawberry freshness degree device according to claim 1 or 4, wherein the light detector (3) employs one or more of an ultraviolet photodiode, a visible PIN photodiode, or an indium gallium arsenide PIN photodiode.
6. The multiband fast nondestructive testing strawberry freshness degree device according to claim 1, wherein the side wall of the camera bellows (1) is provided with a feeding door and a discharging door which are arranged in sequence along the conveying direction of the conveyor belt (2).
7. The multiband fast nondestructive testing strawberry freshness apparatus of claim 6 further comprising a height sensor (7), wherein the height sensor (7) is located in the dark box (1) and on the side of the feeding gate for detecting the sample height.
8. The multiband fast nondestructive testing strawberry freshness apparatus of claim 1, wherein the light source (4) employs a narrow band line width tunable laser.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273255.3U CN210982205U (en) | 2019-03-04 | 2019-03-04 | Multi-band quick nondestructive testing device for strawberry freshness |
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| CN201920273255.3U CN210982205U (en) | 2019-03-04 | 2019-03-04 | Multi-band quick nondestructive testing device for strawberry freshness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752320A (en) * | 2019-03-04 | 2019-05-14 | 安徽大学 | A kind of multiband Fast nondestructive evaluation strawberry freshness device |
| CN117434018A (en) * | 2023-12-20 | 2024-01-23 | 山东奥客隆太阳能科技有限公司 | Photovoltaic material detection equipment |
-
2019
- 2019-03-04 CN CN201920273255.3U patent/CN210982205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752320A (en) * | 2019-03-04 | 2019-05-14 | 安徽大学 | A kind of multiband Fast nondestructive evaluation strawberry freshness device |
| CN117434018A (en) * | 2023-12-20 | 2024-01-23 | 山东奥客隆太阳能科技有限公司 | Photovoltaic material detection equipment |
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