CN209927078U - Fixing device and blade shape parameter measurement auxiliary equipment - Google Patents
Fixing device and blade shape parameter measurement auxiliary equipment Download PDFInfo
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- CN209927078U CN209927078U CN201921049159.7U CN201921049159U CN209927078U CN 209927078 U CN209927078 U CN 209927078U CN 201921049159 U CN201921049159 U CN 201921049159U CN 209927078 U CN209927078 U CN 209927078U
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Abstract
The utility model provides a fixing device and blade shape parameter measurement auxiliary assembly relates to biological experiment instrument technical field, and this fixing device is used for fixed image acquisition device, fixing device includes: the supporting mechanism is connected below the fixing mechanism and used for supporting the fixing mechanism; the fixing mechanism is used for fixing the image acquisition device so that the image acquisition device can shoot the blade to be measured below the fixing mechanism. The experimenter fixes the image acquisition device on the fixing device, then places the blade to be measured below the fixing mechanism, and then presses the shooting key, and the image acquisition device can acquire the image of the blade to be measured. When the information of another leaf needs to be collected, only the leaf below the fixing mechanism needs to be replaced.
Description
Technical Field
The utility model belongs to the technical field of biological assay instrument technique and specifically relates to a fixing device and blade shape parameter measurement auxiliary assembly are related to.
Background
The leaf is the basic nutritive organ of the plant, and has important significance for photosynthesis of plant groups and synthesis of organic matters. The leaf shape characteristic parameters are closely related to the growth conditions of the leaves, such as the photosynthetic physiological characteristics, the canopy structure, the water content or the wilting degree. The commonly used characteristic parameters of the blade shape mainly include the length of the blade (long axis of the blade), the width of the blade (short axis of the blade), the length-width ratio (i.e. eccentricity), the area of the blade, the perimeter, the aspect ratio, the rectangular degree, the circular degree and the like.
The application numbers are: CN201110338472.4, entitled a method and a device for quickly detecting the area of a blade based on a mobile phone, discloses a method and a device for detecting the area of the blade by using the mobile phone, the device related in the proposal comprises the mobile phone, a background plate, a reference object and the blade to be detected, and the mobile phone has the functions of photographing, storing, image processing, statistical analysis, human-computer interaction and displaying; the experimenter places the reference object and the detected blade on the background plate respectively, and a user holds a mobile phone to take a picture of the blade and the reference object right above the blade, so that a picture of the blade and the reference object is obtained, and finally the blade area information of a single blade to be detected can be obtained through the picture.
In the prior art, the rapid detection of the leaf area is emphasized more, but the acquisition of other leaf shape characteristic parameters is omitted, and most of the prior art only realizes the acquisition of a single leaf photo or a small number of leaf photos. In addition, in the prior art, the experimenter needs to hold the mobile phone and then take a picture of a single blade to be measured in the direction perpendicular to the background plate every time, which is time-consuming and labor-consuming, and cannot determine the vertical degree of the shooting direction of the lens and the background plate or the single blade to be measured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixing device and blade shape parameter measurement auxiliary assembly to alleviate the technical problem that current experimenter took a picture the sampling and wastes time and energy.
In a first aspect, an embodiment of the present invention provides a fixing device for fixing an image capturing device, the fixing device includes: the supporting mechanism is connected below the fixing mechanism and used for supporting the fixing mechanism;
a bracket is arranged below the fixing mechanism and used for supporting a reference plate;
the fixing mechanism is used for fixing the image acquisition device so that the image acquisition device can shoot the blade to be measured on the reference plate.
Furthermore, the fixing mechanism comprises a clamping structure, the clamping structure comprises a first clamping part and a second clamping part which are opposite, and the first clamping part and the second clamping part can clamp two opposite side edges of the image acquisition device.
Furthermore, the clamping structure comprises a first inner wall, a second inner wall, a first elastic reset piece and a first clamping piece which are opposite and spaced, and the first clamping piece is positioned between the first inner wall and the second inner wall;
one end of the first elastic reset piece is connected with the first inner wall, the other end of the first elastic reset piece is connected with the first clamping piece, and the first clamping piece and the second inner wall are used for clamping two opposite side edges of the image acquisition device.
Furthermore, the clamping structure comprises a second elastic resetting piece and a second clamping piece, the second clamping piece is positioned between the first inner wall and the second inner wall, one end of the second elastic resetting piece is connected with the second inner wall, and the other end of the second elastic resetting piece is connected with the second clamping piece; the first clamping piece and the second clamping piece are used for clamping two opposite side edges of the image acquisition device.
Furthermore, first holder portion and second holder portion are provided with relative first positioning groove and second positioning groove respectively towards the relative face each other, first positioning groove and second positioning groove are used for the joint respectively image acquisition device's relative both ends.
Furthermore, the supporting mechanism comprises a plurality of supporting legs, the supporting legs are connected to the fixing mechanism along the circumferential direction, and the length of the supporting legs is adjustable.
Further, the support leg is inclined toward the outside of the fixing mechanism.
Further, the supporting leg is hinged to the fixing mechanism.
Further, a horizontal detection element is arranged on the fixing mechanism.
In a second aspect, the embodiment of the present invention provides a blade shape parameter measurement auxiliary device for measuring blade shape characteristic parameters, including an image acquisition device, a reference plate with a grid, and the fixing device.
The embodiment of the utility model provides a fixing device for fixed image acquisition device, fixing device includes: the supporting mechanism is connected below the fixing mechanism and used for supporting the fixing mechanism; a bracket is arranged below the fixing mechanism and used for supporting a reference plate; the fixing mechanism is used for fixing the image acquisition device so that the image acquisition device can shoot the blade to be measured on the reference plate. The experimenter fixes the image acquisition device on the fixing device, then places the blade to be measured on the reference plate below the fixing mechanism, and presses the shooting key, so that the image acquisition device can acquire the image of the blade to be measured. When the information that needs to gather, only need with the blade replacement of fixed establishment below can, image acquisition device's position need not the adjustment, uses the embodiment of the utility model provides a fixing device carries out the detection blade on ground in batches, can be very big save experimenter's physical power to, also reduced a plurality of useless actions in traditional experimentation, for example, the user places/takes image acquisition device repeatedly, can reduce the time that detects for the efficiency that detects.
The embodiment of the utility model provides a pair of measuring equipment, including foretell fixing device. Because the embodiment of the utility model provides a measuring equipment has quoted foretell fixing device, so, the utility model provides a measuring equipment also possesses fixing device's advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a fixing device provided in embodiment 1 of the present invention;
fig. 2 is a front view of a fixing device provided in embodiment 1 of the present invention;
fig. 3 is a top view of a fixing device provided in embodiment 2 of the present invention.
Icon: 100-a securing mechanism; 110 — a first inner wall; 120-a second inner wall; 130-a first clamp; 131-a first positioning groove; 140-a second clamp; 141-a second positioning groove; 150-a first elastic return member; 160-a second elastic restoring member; 200-support legs; 300-an image acquisition device; 400-a horizontal detection element; 500-L-shaped piece.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a fixing device for fixing an image capturing device 300, the fixing device includes: the supporting mechanism is connected below the fixing mechanism 100 and used for supporting the fixing mechanism 100; a bracket is arranged below the fixing mechanism and used for supporting a reference plate; the fixing mechanism 100 is configured to fix the image capturing device 300, so that the image capturing device 300 can shoot a blade to be measured below the fixing mechanism 100. The experimenter fixes the image acquisition device 300 on the fixing device, then places the blade to be measured below the fixing mechanism 100, and then presses the shooting key, so that the image acquisition device 300 can acquire the image of the blade to be measured. When the information of another leaf needs to be gathered, only need with the blade replacement of fixed establishment 100 below can, image acquisition device 300's position need not the adjustment, uses the embodiment of the utility model provides a fixing device carries out the detection blade on ground in batches, can be very big save experimenter's physical power to, also reduced a plurality of useless actions in traditional experimentation, for example, the user places/takes image acquisition device 300 repeatedly, can reduce the time that detects for the efficiency that detects.
The image capture device 300 may be a card camera or a smart phone having photographing, storing, and displaying functions. Can carry out image acquisition to many blades simultaneously.
The fixing mechanism may include a clamping structure, and the image capturing device 300 is clamped and fixed; the fixing mechanism may also include a slot structure, and a through hole is provided at the bottom of the slot, so that the camera of the image capturing device 300 can pass through the through hole to irradiate the blade below the fixing mechanism 100, and the image capturing device 300 is placed upside down and clamped in the slot.
In this embodiment, the fixing mechanism 100 includes a clamping structure, the clamping structure includes a first clamping portion and a second clamping portion, which are opposite to each other, and the first clamping portion and the second clamping portion can clamp two opposite sides of the image capturing device 300.
The image capturing device 300 is clamped and fixed by a first clamping part and a second clamping part which can move relatively, wherein at least one of the first clamping part and the second clamping part can move towards the other to complete the clamping action, or both can move towards the direction of the other to complete the clamping action together.
In this embodiment, the clamping structure includes a first inner wall 110, a second inner wall 120, a first elastic restoring member 150 and a first clamping member 130, which are opposite and spaced, wherein the first clamping member 130 is located between the first inner wall 110 and the second inner wall 120; one end of the first elastic reset member 150 is connected to the first inner wall 110, the other end is connected to the first clamping member 130, and the first clamping member 130 and the second inner wall 120 are used for clamping two opposite side edges of the image capturing device 300.
Specifically, the fixing mechanism 100 includes a rectangular frame, wherein two opposite edges of the frame form a first inner wall 110 and a second inner wall 120, and two ends of the first clamping member 130 are slidably connected to two other opposite edges of the frame, respectively.
As shown in fig. 2, the bracket may include an L-shaped member 500 like a symmetrical bar. The L-shaped member 500 is attached to the frame of the fixture and the horizontal bend supports the reference plate.
The first clamping member 130 may be away from the second inner wall 120 under the action of an external force, and after the external force is removed, the first elastic resetting member 150 may drive the first clamping member 130 to move towards the second inner wall 120, so that the image capturing device 300 placed between the first clamping member 130 and the second inner wall 120 may be clamped and fixed.
By fixing the image capturing device 300 in a clamping manner, image capturing devices 300 of different sizes can be clamped, so that the adaptability of the fixing device is improved.
The first elastic restoring member 150 may be a spring.
The one side of first holder 130 towards second inner wall 120 to and it has the elastic cushion to paste on the second inner wall 120, and the material of elastic cushion can be silica gel, and the elastic cushion can increase the frictional force between clamping structure and the image acquisition device 300, avoids image acquisition device 300 to drop.
The supporting mechanism may include a plurality of supporting legs 200, the number of the supporting legs 200 may be three, four, etc., the plurality of supporting legs 200 are circumferentially connected to the fixing mechanism 100, and the length of the supporting legs 200 is adjustable.
Each supporting leg 200 all includes the multiple sleeve pipe that cup joints in proper order, and in this embodiment, sheathed tube quantity is two, and the department of cup jointing of two sheathed tubes that cup joint is provided with revolves the swivel nut, revolves to revolve the swivel nut and be used for locking the sleeve pipe that is cup jointed to adjust supporting leg 200's total length, this sleeve pipe cooperation revolves the extending structure who revolves the swivel nut and belongs to prior art.
The supporting leg can be metal aluminium, through the scalable design of aluminium system four foot formulas, not only lightly durable, can effectively bear fixed establishment moreover and conveniently adjust its height.
In order to avoid the blade to be measured, the support leg 200 is inclined toward the outer side of the fixing mechanism 100. Moreover, the whole fixing device can be in a structure with a narrow top and a wide bottom through the arrangement, the structural stability of the shape is better, and the fixing device is not easy to overturn.
The support legs 200 may also be hinged to the securing mechanism 100. And a dead locking bolt is arranged at the hinged position of the support leg and the support leg, and the dead locking bolt is used for adjusting the rotating tightness of the support leg 200. Adjust supporting leg 200 to the shortest state through revolving the sleeve soon earlier, then make supporting leg 200 rotate to fixed establishment 100's below through transferring the loose dead bolt of lock, convenient accomodating to fixing device.
The bottom of supporting leg 200 is provided with anti-skidding foot pad, and the material of anti-skidding foot pad can be rubber. Increasing the friction between the fixture and the reference plate and reducing the sliding of the fixture on the reference plate.
The fixing mechanism 100 is provided with a horizontal detection element 400, and the horizontal detection element 400 may include two long bubble levels, and the two long bubble levels are disposed in a vertical direction. The level sensing element 400 may also be a bubble level. Before shooting, the levelness of the fixing device can be adjusted, and the lens of the image acquisition device 300 is vertically downward as much as possible, so that experimental errors are reduced.
Example 2
As shown in fig. 3, the difference from embodiment 1 is that the clamping structure includes a second elastic restoring member 160 and a second clamping member 140, the second clamping member 140 is located between the first inner wall 110 and the second inner wall 120, one end of the second elastic restoring member 160 is connected to the second inner wall 120, and the other end is connected to the second clamping member 140; the first clamping member 130 and the second clamping member 140 are used for clamping two opposite sides of the image capturing device 300.
In this embodiment, the fixing mechanism 100 further includes a second clamping member 140, and the first clamping member 130 and the second clamping member 140 clamp the image capturing device 300. The second elastic restoring member 160 may be a spring. Be provided with the elastic cushion layer on the one side of second holder 140 towards first holder 130, the material of elastic cushion layer can be silica gel, and the elastic cushion layer can increase the frictional force between clamping structure and the image acquisition device 300, avoids image acquisition device 300 to drop.
The first positioning groove 131 and the second positioning groove 141 extend in the transverse direction, and each of the first positioning groove 131 and the second positioning groove 141 includes one sidewall facing upward for supporting an edge of the image pickup device 300. A line connecting the first and second positioning recesses 131 and 141 is parallel to the upper surface of the fixing mechanism 100. By adjusting the fixing mechanism 100 horizontally, that is, the image capturing apparatus 300 can be adjusted horizontally.
The embodiment of the utility model provides a fixing device's advantage:
1. the clip-on fixing device can be adapted to a plurality of different image capturing devices 300 and stably clip-on the same.
2. The support legs 200 are telescopic to adjust the height of the fixing mechanism 100.
3. The supporting legs 200 are hinged to the fixing mechanism 100, and the supporting legs 200 rotating to the lower portion of the fixing mechanism 100 can reduce the height of the fixing device, so that the fixing device is convenient to store.
4. Be provided with the spirit level on the fixing device, can detect whether image acquisition device 300 is the level, the image acquisition device 300 level on the adjustment fixing device that can be quick through flexible supporting leg 200 and spirit level.
The embodiment of the utility model provides a pair of blade shape parameter measurement auxiliary assembly, include image acquisition device, have the reference board of net. Because the embodiment of the utility model provides a measuring equipment has quoted foretell fixing device, so, the utility model provides a measuring equipment also possesses fixing device's advantage.
The measuring apparatus includes: the image acquisition device 300 and a reference plate, wherein the grid is marked on the reference plate, and the side length of the grid is known. The reference plate is a white background, the grid on the reference plate is black, and the color contrast is more obvious.
The image capturing device 300 may be a mobile phone.
The device can be used for determining the shape parameters of the blade, and the specific measurement equipment has the following realization principle:
four corners of the fixing mechanism 100 are supported on the telescopic supporting legs 200, the length of the supporting legs 200 is adjusted by adjusting the four screwing sleeves, the mobile phone is fixed at a reasonable height, and the mobile phone is determined to be kept on a horizontal plane through the bubble level gauge. And placing a plurality of blades to be detected on the reference plate below the fixing device, wherein the plurality of blades to be detected cannot be overlapped. After a photo of a blade to be measured is shot by a mobile phone, firstly, the number of pixels occupied by the side length of a single grid of a reference plate is calculated in a Matlab programming environment, and the real area (or the side length) corresponding to the single pixel is calculated according to the real area (or the side length) of the grid; then, a classification threshold is set through a threshold segmentation method to separate the blade from the background, and a bweareaopen function in a Matlab environment is used for removing isolated background pixels which are wrongly classified into the blade; finally, after the pixel range of each blade is determined, the shape characteristic parameters of each blade are respectively calculated by using a bounding box (minimum bounding box) attribute in the regionprops function in combination with the actual length corresponding to a single pixel.
This technical scheme is simple and convenient, through setting up height-adjusting and keeping horizontally fixing device from top to bottom, can effectively acquire the shape characteristic parameter of many blades simultaneously, effectively promotes the shape characteristic parameter measuring efficiency of blade.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A fixing device for fixing an image pickup device, the fixing device comprising: the supporting mechanism is connected below the fixing mechanism and used for supporting the fixing mechanism;
a bracket is arranged below the fixing mechanism and used for supporting a reference plate;
the fixing mechanism is used for fixing the image acquisition device so that the image acquisition device can shoot the blade to be measured on the reference plate.
2. The fixture according to claim 1, wherein the fixture comprises a clamping structure comprising opposing first and second clamping portions capable of clamping opposing sides of the image capture device.
3. The fastening device of claim 2, wherein the clamping structure includes opposed and spaced apart first and second interior walls, a first resilient return member, and a first clamping member, the first clamping member being positioned between the first and second interior walls;
one end of the first elastic reset piece is connected with the first inner wall, the other end of the first elastic reset piece is connected with the first clamping piece, and the first clamping piece and the second inner wall are used for clamping two opposite side edges of the image acquisition device.
4. The fixation device of claim 3, wherein the clamping structure comprises a second elastic return member and a second clamping member, the second clamping member is located between the first inner wall and the second inner wall, one end of the second elastic return member is connected with the second inner wall, and the other end of the second elastic return member is connected with the second clamping member; the first clamping piece and the second clamping piece are used for clamping two opposite side edges of the image acquisition device.
5. The fixing device according to claim 4, wherein the first clamping part and the second clamping part are provided with a first positioning groove and a second positioning groove which are opposite to each other and are arranged on the surfaces facing each other, and the first positioning groove and the second positioning groove are used for clamping the two opposite ends of the image acquisition device respectively.
6. A fixture according to claim 4, wherein said support means comprises a plurality of support legs circumferentially connected to said fixture and adjustable in length.
7. A fixation device as claimed in claim 6, wherein the support legs are inclined towards the outer side of the fixation means.
8. A fixation device as claimed in claim 6, wherein the support legs are hingedly connected to the fixation means.
9. A fixture according to claim 1, wherein a level detection element is provided on the fixture.
10. A blade shape parameter measurement auxiliary device for measuring a blade shape characteristic parameter, comprising an image acquisition device, a reference plate with a grid, and a fixing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049159.7U CN209927078U (en) | 2019-07-05 | 2019-07-05 | Fixing device and blade shape parameter measurement auxiliary equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049159.7U CN209927078U (en) | 2019-07-05 | 2019-07-05 | Fixing device and blade shape parameter measurement auxiliary equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209927078U true CN209927078U (en) | 2020-01-10 |
Family
ID=69093579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921049159.7U Expired - Fee Related CN209927078U (en) | 2019-07-05 | 2019-07-05 | Fixing device and blade shape parameter measurement auxiliary equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209927078U (en) |
-
2019
- 2019-07-05 CN CN201921049159.7U patent/CN209927078U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201228 Address after: 221200 9th floor, block a, Weijing building, south of central street and east of xiaosuihe River, Suining County, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Zhonglin running Industrial Development Co., Ltd Address before: No.159, Longpan Road, Nanjing, Xuanwu District, Nanjing, Jiangsu, 210000 Patentee before: NANJING FORESTRY University |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20200705 |