CN214584887U - Grape near-infrared detection device - Google Patents
Grape near-infrared detection device Download PDFInfo
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- CN214584887U CN214584887U CN202120314378.4U CN202120314378U CN214584887U CN 214584887 U CN214584887 U CN 214584887U CN 202120314378 U CN202120314378 U CN 202120314378U CN 214584887 U CN214584887 U CN 214584887U
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- grape
- guide rail
- detection device
- infrared detection
- casing
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- 235000009754 Vitis X bourquina Nutrition 0.000 title claims abstract description 57
- 235000012333 Vitis X labruscana Nutrition 0.000 title claims abstract description 57
- 235000014787 Vitis vinifera Nutrition 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 240000006365 Vitis vinifera Species 0.000 title 1
- 241000219095 Vitis Species 0.000 claims abstract description 56
- 238000010183 spectrum analysis Methods 0.000 claims abstract description 12
- 239000000523 sample Substances 0.000 claims description 27
- 239000013307 optical fiber Substances 0.000 claims description 18
- 238000001228 spectrum Methods 0.000 claims description 17
- 210000000078 claw Anatomy 0.000 claims description 14
- 241000219094 Vitaceae Species 0.000 claims description 9
- 235000021021 grapes Nutrition 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000003595 spectral effect Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 8
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- 235000018553 tannin Nutrition 0.000 description 3
- 229920001864 tannin Polymers 0.000 description 3
- 239000001648 tannin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
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- 239000008103 glucose Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a grape near-infrared detection device, which comprises a housin, locating component, clamping component, spectral analysis subassembly and controller, the cavity has in the casing, the casing includes casing and lower casing, it establishes under on the casing to go up casing detachable, and go up the casing and inject the cavity with casing down, locating component establishes in last casing, locating component includes the guide rail, the slider, grating chi and grating reading head, the length direction of casing extends along last guide rail, the slider is established on the guide rail, and the slider is portable on the extending direction of guide rail, grating chi establishes on the guide rail, grating reading head establishes on the slider, and grating reading head's data reading end is towards grating chi, clamping component is used for the centre gripping grape, spectral analysis subassembly is used for analysis grape spectral information, grating reading head links to each other with the controller. The utility model discloses a grape near-infrared detection device can adjust the distance and the angle of detecting head and testee, improves the accuracy of detecting data.
Description
Technical Field
The utility model relates to a fruit detects technical field, concretely relates to grape near-infrared detection device.
Background
Tannin is one of the phenolic compounds contained in wine, determines the taste and flavor of wine, and is mainly derived from the grape itself (seeds, skins, and stalks). At present, the extraction method for tannin in grapes is chemical extraction, and has the disadvantages of long extraction period, complicated procedures and destructiveness.
The near infrared spectrum technology is a rapid, nondestructive and green modern analysis technology. The method adopts a spectrometer to collect spectral data of a large number of samples, and utilizes the collected data (maturity, sugar and the like) to perform near infrared spectrum modeling, thereby realizing the nondestructive online detection of the tannin content in the grapes.
In the related art, a portable glucose near-infrared detection device is disclosed, however, the position and angle between the light source and the detected grape sample in the related art are fixed, and the detection error is large.
In the related art, the distance and the angle between a detecting head and a measured object in the related art can be adjusted, and the accuracy of detected data can be improved to a certain extent for measuring irregular fruits.
Disclosure of Invention
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a grape near-infrared detection device can adjust the distance and the angle of detecting head and testee, still can monitor the distance and the angle of detecting head and testee, improves the accuracy of measuring data.
According to the utility model discloses grape near-infrared detection device, include: the shell is internally provided with a cavity and comprises an upper shell and a lower shell, the upper shell is detachably arranged on the lower shell, and the upper shell and the lower shell limit the cavity; the positioning assembly is arranged in the upper shell and comprises a guide rail, a sliding block, a grating ruler and a grating reading head, the guide rail extends along the length direction of the upper shell, two ends of the guide rail are connected with the inner wall surface of the upper shell, the sliding block is arranged on the guide rail and can move in the extending direction of the guide rail, the grating ruler is arranged on the guide rail, the grating reading head is arranged on the sliding block, and the data reading end of the grating reading head faces the grating ruler; the clamping assembly is arranged on the sliding block and comprises an extensible part and a clamping claw, one end of the extensible part is connected with the sliding block, the other end of the extensible part is connected with the clamping claw, the extensible part can drive the clamping claw to move in the height direction of the upper shell, and the clamping claw is used for clamping the grapes; the spectral analysis assembly is arranged in the lower shell and comprises a rotary table, a light source, an optical fiber probe and a spectrum analyzer, the rotary table is connected with the lower shell and can rotate relative to the lower shell, the optical fiber probe is arranged on the rotary table, the light source is connected with the rotary table, the optical fiber probe is provided with an input end and an output end, the input end of the optical fiber probe is used for receiving optical signals sent by the light source, the output end of the optical fiber probe is connected with the spectrum analyzer, and the spectrum analyzer is arranged in the lower shell; and the controller is arranged outside the shell, and the grating reading head is connected with the controller.
According to the utility model discloses grape near-infrared detection device can adjust the distance and the angle of detecting head and testee, still can monitor the distance and the angle of detecting head and testee, improves the accuracy of detecting data.
In some embodiments, the grape near-infrared detection device further comprises an angle sensor connected to the rotating platform for monitoring a rotation angle of the rotating platform, and the angle sensor is connected to the controller.
In some embodiments, the positioning assembly further comprises a first limit switch and a second limit switch, the first limit switch and the second limit switch are respectively connected with the guide rail, and the first limit switch and the second limit switch are oppositely arranged in the extending direction of the guide rail.
In some embodiments, the guide rail is a rack, a gear engaged with the rack is arranged in the slider, a driving motor is further arranged on the slider, an output end of the driving motor is connected with the gear, and the driving motor is connected with the controller.
In some embodiments, the rotating platform comprises a placing table and a rotating motor, the rotating motor is fixed in the lower shell, the placing table is connected with the rotating motor, and the rotating motor is connected with the controller.
In some embodiments, the number of the light sources is at least 1, and the light sources are connected with the object placing table through a fixing frame.
In some embodiments, the grape near-infrared detection device further comprises a power source disposed within the lower housing.
In some embodiments, an observation window communicating the inside of the lower housing with the outside is provided on the side wall of the lower housing, the grape near-infrared detection device further includes a cover plate, the cover plate is provided outside the lower housing, and the cover plate and the observation window are matched to cover the observation window.
In some embodiments, the grape near-infrared detection device further includes a pull rod, the pull rod is disposed outside the housing, and the pull rod is connected to the lower housing.
In some embodiments, the grape near-infrared detection device further includes a handle, the handle is disposed outside the housing, and the handle is connected to the upper housing.
Drawings
Fig. 1 is a schematic structural diagram of the grape near-infrared detection device of the present invention.
Fig. 2 is a schematic structural diagram of a casing in the grape near-infrared detection device of the present invention.
Reference numerals:
a housing 1, an upper housing 101, a lower housing 102,
a positioning component 2, a guide rail 21, a slide block 22, a grating ruler 23, a grating reading head 24, a first limit switch 25, a second limit switch 26,
the clamping assembly 3, the telescopic member 31, the clamping jaw 32,
a spectrum analyzing unit 4, a rotating table 41, a placing table 411, a rotating motor 412, a light source 42, a fiber optic probe 43, a spectrum analyzer 44, a mask 45,
the device comprises a controller 5, an angle sensor 6, a power supply 7, an observation window 8, a cover plate 9, a pull rod 10, a handle 11 and a clamping groove 12.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
According to the utility model discloses grape near-infrared detection device includes casing 1, locating component 2, centre gripping subassembly 3, spectral analysis subassembly 4.
The housing 1 has a cavity therein, the housing 1 includes an upper housing 101 and a lower housing 102, the upper housing 101 is detachably disposed on the lower housing 102, and the upper housing 101 and the lower housing 102 define the cavity.
It should be noted that the detachable connection manner of the upper casing 101 and the lower casing 102 may be a snap connection.
As shown in fig. 1, the length and width of the upper case 101 are the same as those of the lower case 102. The exterior of both the upper case 101 and the lower case 102 is coated with a light-shielding layer.
The positioning assembly 2 is provided in the upper housing 101, the positioning assembly 2 includes a guide rail 21, a slider 22, a grating scale 23, and a grating reading head 24, the guide rail 21 extends in a length direction (a left-right direction as shown in fig. 1) of the upper housing 101, both ends of the guide rail 21 are connected to an inner wall surface of the upper housing 101, the slider 22 is provided on the guide rail 21, and the slider 22 is movable in an extending direction (a left-right direction as shown in fig. 1) of the guide rail 21.
As shown in fig. 1, the guide rail 21 extends horizontally in the left-right direction, and both left and right ends of the guide rail 21 are connected to the inner wall surface of the upper case 101.
The grating ruler 23 is arranged on the guide rail 21, the grating reading head 24 is arranged on the slide block 22, and the data reading end of the grating reading head 24 faces the grating ruler 23.
As shown in fig. 1, a grating scale 23 is disposed on the upper end surface of the guide rail 21, and a grating reading head 24 is disposed on the upper end surface of the slider 22.
The clamping assembly 3 is arranged on the sliding block 22, the clamping assembly 3 comprises an expansion piece 31 and a clamping claw 32, one end of the expansion piece 31 is connected with the sliding block 22, the other end of the expansion piece 31 is connected with the clamping claw 32, the expansion piece 31 can drive the clamping claw 32 to move in the height direction of the upper shell 101, and the clamping claw 32 is used for clamping grapes.
As shown in fig. 1, a clamping jaw 32 is provided at the lower end of the telescopic member 31, the clamping jaw 32 can be used for clamping grapes or grape bunch, it is understood that the telescopic member 31 can be an electric telescopic rod. It will be appreciated that the telescopic member 31 may also be employed. Any telescopic rod in the prior art can be used as long as the upper and lower positions of the clamping claw 32 can be moved.
The spectral analysis subassembly 4, the spectral analysis subassembly 4 is established in lower casing 102, the spectral analysis subassembly 4 includes revolving stage 41, light source 42, optical fiber probe 43 and spectral analysis appearance 44, revolving stage 41 links to each other with lower casing 102, and revolving stage 41 is rotatable relative to lower casing 102, optical fiber probe 43 is established on revolving stage 41, light source 42 links to each other with revolving stage 41, optical fiber probe 43 has input and output, the input of optical fiber probe 43 is used for receiving the light signal that light source 42 sent, the output of optical fiber probe 43 links to each other with spectral analysis appearance 44, spectral analysis appearance 44 is established in lower casing 102.
The fiber optic probe 43 is used for collecting a spectrum of the grape and transmitting the collected spectrum to the spectrum analyzer 44. And a spectrum analyzer 44 for analyzing the spectrum of the received grape to determine the quality of the grape. The spectrum analyzer 44 is a conventional device, and the structure thereof will not be described in detail.
The controller 5, the controller 5 is established outside the casing 1, just grating reading head 24 with the controller 5 links to each other, and grating reading head 24's data output end links to each other with external controller 5, and it should be noted that the controller 5 can be PLC controller 5 or other existing control module. It will be appreciated that the controller 5 is arranged to read data from the grating read head 24.
According to the utility model discloses grape near-infrared detection device, through setting up locating component 2, can adjust the position between surveyed grape and the fiber probe 43, guarantee that fiber probe 43 is located under the surveyed grape, improve the accuracy of detected data to through setting up grating chi 23 and grating reading head 24, the monitoring is surveyed the position between grape and the fiber probe 43, improves the accuracy of detected data.
In some embodiments, the grape near-infrared detection device further comprises an angle sensor 6, the angle sensor 6 is connected to the rotating platform 41 for monitoring the rotation angle of the rotating platform 41, and the angle sensor 6 is connected to the controller 5.
The controller 5 is connected to the angle sensor 6 for reading the rotation angle data of the rotating table 41, so that the angle between the grape to be detected and the optical fiber probe 43 can be monitored, and the accuracy of the detected data can be improved.
In some embodiments, the positioning assembly 2 further comprises a first limit switch 25 and a second limit switch 26, the first limit switch 25 and the second limit switch 26 are respectively connected with the guide rail 21, and the first limit switch 25 and the second limit switch 26 are oppositely arranged in the extending direction of the guide rail 21.
As shown in fig. 1, the first limit switch 25 is disposed at the left end of the guide rail 21, the second limit switch 26 is disposed at the right end of the guide rail 21, and the first limit switch 25 and the second limit switch 26 are respectively connected to the controller 5.
The grape near-infrared detection device of the embodiment of the application avoids the sliding block 22 from colliding with the shell 1 through the first limit switch 25 and the second limit switch 26, and the running safety of the device is improved.
In some embodiments, the guide rail 21 is a rack, a gear (not shown) engaged with the rack is disposed in the sliding block 22, and a driving motor is further disposed on the sliding block 22, an output end of the driving motor is connected to the gear, and the driving motor is connected to the controller 5.
It should be noted that the controller 5 controls the driving motor to rotate forward, backward or stop according to the data read by the grating reading head 24, and the controller 5 may also control the driving motor to rotate forward, backward or stop according to the first limit switch 25 and the second limit switch 26.
In some embodiments, the rotating platform 41 includes a placing table 411 and a rotating motor 412, the rotating motor 412 is fixed in the lower housing 102, the placing table 411 is connected to the rotating motor 412, and the rotating motor 412 is connected to the controller 5.
As shown in fig. 1, the placement base 411 is horizontal, the fixed end of the rotating motor 412 is fixed to the inner bottom surface of the lower case 102, and the output end of the rotating motor 412 is connected to the placement base 411.
Preferably, the object placing table 411 is further provided with a light shield 45, and the optical fiber probe 43 is arranged in the light shield 45. By arranging the light shield 45, the spectrum of the detected grape is utilized to realize focusing, and the accuracy of the detection data is improved.
In some embodiments, the number of the light sources 42 is at least 1, and the light sources 42 are connected to the object stage 411 through a fixing frame.
As shown in FIG. 1, there are two light sources 42, and the two light sources 42 surround the fiber probe 43. The light source 42 is a halogen lamp.
In some embodiments, the grape near-infrared detection device further comprises a power supply 7, and the power supply 7 is disposed in the lower housing 102.
As shown in fig. 2, the lower housing 102 is provided with a power supply 7 socket to facilitate charging of the power supply 7.
In some embodiments, the side wall of the lower casing 102 is provided with an observation window 8 communicating the inside of the lower casing 102 with the outside, the grape near-infrared detection device further comprises a cover plate 9, the cover plate 9 is arranged outside the lower casing 102, and the cover plate 9 is matched with the observation window 8 for covering the observation window 8.
As shown in fig. 2, the front end surface of the lower housing 102 is provided with an observation window 8, the front end surface of the lower housing 102 is further provided with a clamping groove 12, the cover plate 9 is arranged in the clamping groove 12, the cover plate 9 moves in the clamping groove 12 in the left-right direction and is used for covering or opening the observation window 8, and the cover plate 9 is coated with a light shielding layer.
The grape near-infrared detection device of this application embodiment through establishing at observation window 8, can observe the position between surveyed grape and the fiber probe 43 to combine grating chi 23 and grating reading head 24 and angle sensor 6's data information, synthesize the position of judging between surveyed grape and the fiber probe 43, improve the accuracy of detection data. Through establishing at the light shield layer, avoid external light to get into casing 1 in, improve the accuracy of detection data.
In some embodiments, the grape near-infrared detection device further comprises a pull rod 10, the pull rod 10 is arranged outside the housing 1, and the pull rod 10 is connected with the lower housing 102.
The grape near-infrared detection device provided by the embodiment of the application is convenient to move by being arranged on the pull rod 10.
In some embodiments, the grape near-infrared detection device further comprises a handle 11, the handle 11 is arranged outside the housing 1, and the handle 11 is connected with the upper housing 101. The handle 11 is convenient for taking the detecting device on one hand, and on the other hand, the upper shell 101 and the lower shell 102 can be respectively used for conveniently taking and placing the detected grapes or grape bunch in the clamping jaws 32.
Preferably, the side wall of the upper housing 101 may be further provided with a door (not shown) for opening the housing 1 to facilitate the taking and placing of the grapes or the bunch of grapes to be tested in the gripping claws 32.
The operation principle of the grape near-infrared detection device according to the embodiment of the present invention is described below with reference to fig. 1 and 2.
The grape to be measured is placed in the gripper jaw 32, the observation window 8 is opened, the driving motor is controlled through the controller 5, the driving motor drives the sliding block 22 to move on the guide rail 21, when the sliding block 22 moves to the position right above the optical fiber probe 43, the controller 5 controls the telescopic piece 31 or manually starts the telescopic piece 31 to extend, after the grape to be measured is arranged below the light source 42, the observation window 8 is closed, the light source 42 and the spectrum analyzer 44 are started, and spectrum analysis is carried out on the grape to be measured.
The controller 5 can control the rotation of the rotating motor 412 to collect the spectrum information of different positions of the detected grape.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A grape near-infrared detection device, characterized by, includes:
the shell is internally provided with a cavity and comprises an upper shell and a lower shell, the upper shell is detachably arranged on the lower shell, and the upper shell and the lower shell limit the cavity;
the positioning assembly is arranged in the upper shell and comprises a guide rail, a sliding block, a grating ruler and a grating reading head, the guide rail extends along the length direction of the upper shell, two ends of the guide rail are connected with the inner wall surface of the upper shell, the sliding block is arranged on the guide rail and can move in the extending direction of the guide rail, the grating ruler is arranged on the guide rail, the grating reading head is arranged on the sliding block, and the data reading end of the grating reading head faces the grating ruler;
the clamping assembly is arranged on the sliding block and comprises an extensible part and a clamping claw, one end of the extensible part is connected with the sliding block, the other end of the extensible part is connected with the clamping claw, the extensible part can drive the clamping claw to move in the height direction of the upper shell, and the clamping claw is used for clamping the grapes;
the spectral analysis assembly is arranged in the lower shell and comprises a rotary table, a light source, an optical fiber probe and a spectrum analyzer, the rotary table is connected with the lower shell and can rotate relative to the lower shell, the optical fiber probe is arranged on the rotary table, the light source is connected with the rotary table, the optical fiber probe is provided with an input end and an output end, the input end of the optical fiber probe is used for receiving optical signals sent by the light source, the output end of the optical fiber probe is connected with the spectrum analyzer, and the spectrum analyzer is arranged in the lower shell;
and the controller is arranged outside the shell, and the grating reading head is connected with the controller.
2. The grape near-infrared detection device of claim 1, further comprising an angle sensor connected to the rotating table for monitoring a rotation angle of the rotating table, the angle sensor being connected to the controller.
3. The grape near-infrared detection device of claim 1, wherein the positioning assembly further comprises a first limit switch and a second limit switch, the first limit switch and the second limit switch are respectively connected with the guide rail, and the first limit switch and the second limit switch are oppositely arranged in the extending direction of the guide rail.
4. The grape near-infrared detection device of claim 1, wherein the guide rail is a rack, a gear engaged with the rack is arranged in the slider, a driving motor is further arranged on the slider, an output end of the driving motor is connected with the gear, and the driving motor is connected with the controller.
5. The grape near-infrared detection device of claim 1, wherein the rotating platform comprises a placement platform and a rotating motor, the rotating motor is fixed in the lower shell, the placement platform is connected with the rotating motor, and the rotating motor is connected with the controller.
6. The grape near-infrared detection device of claim 5, wherein the number of light sources is at least 1, and the light sources are connected with the object placing table through a fixing frame.
7. The grape near-infrared detection device of claim 1, further comprising a power source disposed within the lower housing.
8. The grape near-infrared detection device according to any one of claims 1-7, wherein the side wall of the lower housing is provided with an observation window communicating the interior of the lower housing with the outside,
the grape near-infrared detection device further comprises a cover plate, the cover plate is arranged outside the lower shell, and the cover plate is matched with the observation window and used for covering the observation window.
9. The grape near-infrared detection device of any one of claims 1-7, further comprising a pull rod disposed outside the housing, the pull rod being connected to the lower housing.
10. The grape near-infrared detection device of any one of claims 1-7, further comprising a handle disposed outside the housing, the handle being connected to the upper housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314378.4U CN214584887U (en) | 2021-02-04 | 2021-02-04 | Grape near-infrared detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314378.4U CN214584887U (en) | 2021-02-04 | 2021-02-04 | Grape near-infrared detection device |
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| Publication Number | Publication Date |
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| CN214584887U true CN214584887U (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324194A (en) * | 2022-01-24 | 2022-04-12 | 河北北方学院 | Grape gray mold monitoring device |
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2021
- 2021-02-04 CN CN202120314378.4U patent/CN214584887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324194A (en) * | 2022-01-24 | 2022-04-12 | 河北北方学院 | Grape gray mold monitoring device |
| CN114324194B (en) * | 2022-01-24 | 2023-10-24 | 河北北方学院 | Grape gray mold monitoring device |
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