CN212320737U - Improved unmanned aerial vehicle aerial survey image control point marking device - Google Patents
Improved unmanned aerial vehicle aerial survey image control point marking device Download PDFInfo
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- CN212320737U CN212320737U CN202021563711.7U CN202021563711U CN212320737U CN 212320737 U CN212320737 U CN 212320737U CN 202021563711 U CN202021563711 U CN 202021563711U CN 212320737 U CN212320737 U CN 212320737U
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- control point
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Abstract
The application discloses modified unmanned aerial vehicle aerial survey image control point mark device includes: two marker strips with adjustable self lengths and a plurality of splicing blocks; the centers of the two mark strips are overlapped and vertically intersected to form a cross frame, so that 4 splicing spaces are formed; the splicing blocks can be respectively assembled and installed in the assembling spaces. The cross frame is formed by the mark strips with adjustable length, splicing blocks which can be spliced with the mark strips are configured, the size of the image control point mark can be dynamically adjusted according to the aerial survey height of the unmanned aerial vehicle, the performance of a camera and the precision requirement, and the detachable structure is convenient to carry and store and is suitable for various aerial survey situations.
Description
Technical Field
The application relates to the field of aerial survey of unmanned aerial vehicles, in particular to a modified unmanned aerial vehicle aerial survey image control point marking device.
Background
The image control point is the basis of photogrammetry encryption control point and mapping, and can be used for calibrating unmanned aerial vehicle aerial survey data, promotes the measured precision of unmanned aerial vehicle. At present, the image control point layout method mainly includes the following steps: firstly, selecting inherent characteristic points of the earth surface such as landmark buildings, road intersections and the like as image control points, wherein the image control points are difficult to arrange in the areas with rare people; secondly, paving lime and the like on the ground or spraying paint and the like to manufacture image control points, wherein the image control points are greatly influenced by weather and human factors and are difficult to recycle; and thirdly, recyclable image control point marks are used, the sizes of the image control point marks are fixed, and the unmanned aerial vehicle measurement task requirements of different scales are difficult to adapt.
Chinese patent document CN210036749U discloses an unmanned aerial vehicle aerial survey surface correction device, which can be used for elevation correction, but still cannot conveniently and quickly adjust the image control point marks according to the flight height of the unmanned aerial vehicle, the performance of the camera and the accuracy requirement. And like the difficult degree of assembling of control point sign and whether can dynamic adjustment, will directly influence the operating efficiency of unmanned aerial vehicle aerial survey.
Disclosure of Invention
In view of this, the purpose of this application is to provide an improved unmanned aerial vehicle aerial survey image control point mark device, can assemble fast and dismantle, and can dynamic adjustment size.
In order to achieve the technical purpose, the application provides an improved unmanned aerial vehicle aerial survey image control point marking device which comprises two marking strips with adjustable self lengths and a plurality of splicing blocks;
the centers of the two mark strips are overlapped and vertically intersected to form a cross frame, so that 4 splicing spaces are formed;
the splicing blocks can be respectively assembled and installed in the assembling spaces.
Furthermore, a first connecting part and a second connecting part are respectively arranged on one side surface of each of the two sign strips, which is positioned in each assembling space;
the first connecting part and the second connecting part are respectively arranged along the length direction of the sign strip where the first connecting part and the second connecting part are located;
the splicing block is a square block, and a third connecting part, a fourth connecting part, a fifth connecting part and a sixth connecting part are sequentially arranged on the peripheral side surface of the splicing block;
the third connecting part can be matched with the first connecting part and the fifth connecting part;
the fourth connecting portion may be fitted with the second connecting portion and the sixth connecting portion.
Further, the first connecting portion and the fifth connecting portion are both slide groove portions;
the third connecting part is a sliding strip part in sliding fit with the sliding groove part.
Further, the first connecting part and the fifth connecting part are both sliding strip parts;
the third connecting part is a sliding groove part in sliding fit with the sliding strip part.
Further, the second connecting portion and the sixth connecting portion are both first concave hole portions;
the fourth connecting part is a first convex column part which is in plug-in fit with the first concave hole part.
Furthermore, the second connecting part and the sixth connecting part are both first convex column parts;
the fourth connecting part is a first concave hole part which is in plug-in fit with the first convex column part.
Furthermore, the two mark strips comprise a fixing strip and a plurality of splicing strips;
the two fixing strips are overlapped and vertically crossed and connected through the center of the first connecting piece, and second concave hole parts are arranged at the end parts of the two ends of the fixing strips;
and the two ends of the splicing strip are respectively provided with a second convex column part and a second concave hole part, and the splicing strip can be spliced and connected with the corresponding second concave hole part through the second convex column part and is used for adjusting the length of the mark strip.
The splicing strips can be spliced and connected with the end parts of the corresponding fixing strips respectively and are used for adjusting the length of the fixing strips.
Furthermore, the device also comprises a tripod ground insert;
two end parts of the top surfaces of the two fixing strips are provided with three jacks;
at least one end part of the top surfaces of the splicing strips is also provided with three jacks;
the three-pin ground socket comprises double pins, a single pin and a pull ring;
the top of the double-pin is provided with a knocking head part and a threaded rod part from top to bottom in sequence;
the top end of the single pin is vertically provided with a connecting rod part;
the connecting rod part is provided with a guide hole for the threaded rod part to movably pass through;
the guide hole is internally provided with a thread matched with the threaded rod part;
the bottom of the pull ring is provided with a threaded rod sleeve part;
the threaded rod sleeve part is movably sleeved outside the threaded rod part and is in threaded connection with the threaded rod part;
the threaded rod sleeve part and the double pins form clamping fixation on the connecting rod part.
Further, the tiles comprise a first layer and a second layer;
the first layer of the splicing blocks is divided into two corner plates and three corner plates along the diagonal;
the first layer and the second layer of the splicing blocks are movably connected, and light-absorbing paint covers the surface of one layer.
According to the technical scheme, the cross frame is formed by the mark strips with adjustable length, splicing blocks capable of being spliced with the mark strips are configured, the size of the image control point mark is dynamically adjusted according to the aerial survey height of the unmanned aerial vehicle, the performance of the camera and the precision requirement, the detachable structure is convenient to carry and store, and the unmanned aerial vehicle is suitable for various aerial survey situations.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural view of an improved unmanned aerial vehicle aerial survey image control point marking device provided in the present application;
FIG. 2 is a schematic view of a first connector provided herein;
FIG. 3 is a schematic illustration of a tripod ground insert provided herein;
fig. 4 is a back sketch map is assembled to an improved unmanned aerial vehicle aerial survey image control point mark device that provides in this application.
In the figure: 1. a first connection portion; 2. a second connecting portion; 3. a third connecting portion; 4. a fourth connecting portion; 5. a fifth connecting part; 6. a sixth connecting portion; 7. a first connector hole; 8. three jacks; 9. a second recess portion; 10. a second convex column part; 11. a pull ring; 12. double pins; 121. a knocking head; 13. a single pin; A. a fixing strip; B. splicing blocks; C. splicing the strips; D. a first connecting member; E. the three feet are inserted in the ground.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The application discloses modified unmanned aerial vehicle aerial survey image control point mark device.
An embodiment of an improved unmanned aerial vehicle aerial survey image control point mark device that provides in the embodiment of this application includes: two marker strips with adjustable self lengths and a plurality of splicing blocks; the centers of the two mark strips are overlapped and vertically intersected to form a cross frame, so that 4 splicing spaces are formed; the splicing blocks can be respectively assembled and installed in the assembling spaces.
Particularly, a corresponding groove is formed in the central position where the two mark strips are overlapped, so that the two mark strips can be kept flat after being embedded; the two can be connected by mortise and tenon technology, and also can be connected by external connecting pieces such as bolts, rivets and the like, and the connection is not limited specifically.
Furthermore, the splicing blocks can be in the shapes of triangular plates, square plates and the like which are easy to splice completely, and can also be in the forms of combining hexagonal plates with triangular plates and the like which have different shapes.
The above is the first embodiment provided in the present application, and the following is the second embodiment provided in the present application, please refer to fig. 1 specifically.
An improved unmanned aerial vehicle aerial survey image control point marking device comprises two marking strips with adjustable self lengths and a plurality of splicing blocks B; the centers of the two mark strips are overlapped and vertically intersected to form a cross frame, so that 4 splicing spaces are formed; the splicing blocks B can be respectively assembled and installed in the assembling spaces.
Further, referring to fig. 1, a first connecting portion 1 and a second connecting portion 2 are respectively disposed on one side surface of each of the two sign strips located in each of the assembling spaces; the first connecting part 1 and the second connecting part 2 are respectively arranged along the length direction of the mark strip where the first connecting part and the second connecting part are arranged; the splicing block B is a square block, and the peripheral side surface of the splicing block B is sequentially provided with a third connecting part 3, a fourth connecting part 4, a fifth connecting part 5 and a sixth connecting part 6; the third connecting part 3 can be matched with the first connecting part 1 and the fifth connecting part 5; the fourth connection portion 4 is engageable with the second connection portion 2 and the sixth connection portion 6.
Specifically, the first connecting portion 1 and the second connecting portion 2 may be magnetic strips, and the four connecting portions of the corresponding splicing block B are set to have different magnetic poles to connect with the magnetic strips; the first connecting portion 1 and the second connecting portion 2 can also be a tenon and a mortise, and then the four connecting portions of the splicing block B are arranged into the mortise, the tenon and the like matched with the splicing block B, so that the splicing block B and the mark strip can be spliced and connected.
Further, in the present embodiment, the first connecting portion 1 and the fifth connecting portion 5 are both slide groove portions; the corresponding third connecting part 3 matched with the third connecting part is a sliding strip part matched with the sliding groove part in a sliding way.
Further, the first connecting portion 1 and the fifth connecting portion 5 may be provided as both slider portions; the corresponding third connecting portion 3 is a sliding groove portion.
Further, the second connection portion 2 and the sixth connection portion 6 are both first concave hole portions; the corresponding fourth connecting part 4 is a first convex column part which is in inserting fit with the concave hole part.
Further, the second connecting portion 2 and the sixth connecting portion 6 may also be configured to be both first convex pillars; the corresponding fourth connecting portion 4 is a first concave portion.
Further, referring to fig. 1 and fig. 2, both the two sign strips include a fixing strip a and a plurality of splicing strips C; the two fixing strips A are overlapped at the center and are vertically crossed and connected through a first connecting piece D; the splicing strips C can be respectively spliced and connected with the end parts of the corresponding fixing strips A and are used for adjusting the length of the fixing strips A; the first connecting piece D is a correcting bolt, and patterns with black and white alternating are arranged on the top of the bolt.
Specifically, the splicing strip C may have multiple splicing manners with the fixing strip a, as shown in fig. 1, the two end portions of the fixing strip a are respectively provided with a second concave hole portion, and the two end portions of the splicing strip C are respectively provided with a second concave hole portion and a second convex pillar portion, wherein the second convex pillar portion may be connected to the second concave hole portion on the fixing strip a, or may be connected to the second concave hole portions of other splicing strips C; further, the end parts of the two ends of the fixing strip a are respectively provided with a second convex column, and the end parts of the two ends of the splicing strip C are still respectively provided with a second convex column and a second concave hole part; meanwhile, the method also comprises the modes of magnetic pole connection, tenon-and-mortise connection and the like, which are exemplified in the above, so that the splicing strip C and the fixing strip A can be spliced, and the length of the sign strip can be adjusted.
Furthermore, the device also comprises a tripod ground insert E; the two end edges of the top surfaces of the two fixing strips A are provided with three jacks 8; at least one end edge of the top surfaces of the splicing strips C is also provided with three jacks 8; the three-pin ground plug E corresponds to the three jacks 8 and can be inserted into the three jacks 8 to nail the mark strip.
Further, referring to fig. 3, the three-pin ground socket includes a pull ring 11, two pins 12 and a single pin 13; the top of the double-pin 12 is provided with a knocking head part 121 and a threaded rod part from top to bottom in sequence; the top end of the single pin 13 is vertically provided with a connecting rod part; the connecting rod is provided with a guide hole for the threaded rod part to movably pass through; the inner wall of the guide hole is provided with a thread matched with the threaded rod part; the bottom of the pull ring 11 is provided with a threaded rod sleeve part; the threaded rod sleeve part is movably sleeved outside the threaded rod part and is in threaded connection with the threaded rod part; the threaded rod sleeve part and the double-pin 12 clamp and fix the connecting rod part.
Specifically, the knocking head 121 is arranged at the top of the double pin 12, so that threads are not deformed when the double pin 12 and the single pin 13 are knocked to be installed, and the double pin is suitable for various terrains, particularly hard soil; the arrangement of the pull ring 11 facilitates the pulling out of the three-pin ground socket E during disassembly; meanwhile, the guide holes arranged on the single pins 13 are rotatably connected with the double pins 12, so that the matching angles of the three pins can be adjusted, and certain errors are allowed to exist in the angle arrangement among the three jacks in the three jacks 8; the triangular stability is exerted by the three-pin ground plug E, and the three-pin ground plug E is more stable than a traditional U-shaped nail.
Further, the splice B comprises a first block layer and a second block layer; the first block layer is divided into two triangular blocks along the diagonal; the first layer is movably stacked on the top of the second layer, the two layers are movably connected, the surface of one layer is covered with light absorption paint, and the corresponding other layer is the color of the base material.
Specifically, in the first case, when the second layer is coated with the light-absorbing coating, two or three corner plates of the first layer are not taken down, and the splicing blocks B in the aerial photography view angle are in the original base material color, generally in a light color; when one of the two or three corner plates of the first layer is taken down, the two corresponding triangles formed by the splicing block B along the diagonal line in the aerial photography view angle are respectively a dark color and a light color; when two or three corner plates of the first layer are taken down, the surface of the whole splicing block B is dark correspondingly;
in the second situation, when the light-absorbing coating is coated on the first layer, two or three corner plates on one layer are not taken down, and the splicing block B in the aerial photography visual angle is dark; when one of the two or three corner plates of the first layer is taken down, the two corresponding triangles formed by the splicing block B along the diagonal line in the aerial photography view angle are respectively a dark color and a light color; when two or three corner plates of the first layer are taken down, the surface of the whole splicing block B is correspondingly in the color of the base material of the second layer without coating, and the color is generally light;
furthermore, the first block layer and the second block layer can be set to be different colors without coating, and the patterns of the splicing block B can be changed particularly under the conditions that the first block layer is white and the second block layer is black.
The number of the first layer of triangular plates of the splicing blocks B can be changed to form corresponding patterns; referring to fig. 4, fig. 4 is a schematic view of the unmanned aerial vehicle aerial survey image control point marking device after being spliced into a suitable size, wherein the mark is inserted without a tripod E, and a dotted filling part represents a block layer which is dark and covered with a light absorption coating. Through the pattern spelling to whole unmanned aerial vehicle aerial survey image control point mark device, improve interpretation nature and image control point measuring precision.
The size of the image control point mark can be dynamically adjusted only by increasing the number of the splicing blocks B and the splicing strips C. After the size of the image control point mark is determined, the first connecting piece D is aligned to the first connecting piece hole 7 in the center of the mark plate and is screwed tightly, and finally the three-pin ground plug E is aligned to the three insertion holes 8 and is nailed into the ground to fasten the image control point mark plate, so that the assembly is completed.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present application, and not intended to limit the present invention, and although the present application has been described in detail with reference to the examples, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the foregoing examples, or equivalent substitutions of some technical features can be made, any modifications, equivalents, improvements, etc. within the spirit and principle of the present application shall be included in the scope of the present application.
Claims (10)
1. An improved unmanned aerial vehicle aerial survey image control point marking device is characterized by comprising two marking strips with adjustable self lengths and a plurality of splicing blocks;
the centers of the two mark strips are overlapped and vertically intersected to form a cross frame, so that 4 splicing spaces are formed;
the splicing blocks can be respectively assembled and installed in the assembling spaces.
2. The improved unmanned aerial vehicle aerial survey image control point marking device according to claim 1, wherein a first connecting part and a second connecting part are respectively arranged on one side surface of each marking strip located in each assembling space;
the first connecting part and the second connecting part are respectively arranged along the length direction of the mark strip where the first connecting part and the second connecting part are arranged;
the splicing block is a square block, and a third connecting part, a fourth connecting part, a fifth connecting part and a sixth connecting part are sequentially arranged on the peripheral side surface of the splicing block;
the third connecting part can be matched with the first connecting part and the fifth connecting part;
the fourth connecting portion may be fitted with the second connecting portion and the sixth connecting portion.
3. The improved unmanned aerial vehicle aerial survey image control point marking device of claim 2, wherein the first connecting portion and the fifth connecting portion are both slide groove portions;
the third connecting part is a sliding strip part in sliding fit with the sliding groove part.
4. The improved unmanned aerial vehicle aerial survey image control point marking device of claim 2, wherein the first connecting portion and the fifth connecting portion are both slider portions;
the third connecting part is a sliding groove part in sliding fit with the sliding strip part.
5. The improved unmanned aerial vehicle aerial survey image control point marking device of claim 2, wherein the second connecting portion and the sixth connecting portion are both first recessed portions;
the fourth connecting part is a first convex column part which is in plug-in fit with the first concave hole part.
6. The improved unmanned aerial vehicle aerial survey image control point marking device of claim 2, wherein the second connecting portion and the sixth connecting portion are both first convex posts;
the fourth connecting part is a first concave hole part which is in plug-in fit with the first convex column part.
7. The improved unmanned aerial vehicle aerial survey image control point marking device of claim 1, wherein both of the marking strips comprise a fixed strip and a plurality of splicing strips;
the two fixing strips are overlapped and vertically crossed and connected through the center of the first connecting piece, and the end parts of the two ends are provided with second concave hole parts;
the splicing strip is characterized in that two ends of the splicing strip are respectively provided with a second convex column part and a second concave hole part, and the second convex column part is spliced with the corresponding second concave hole part to be connected and used for adjusting the length of the mark strip.
8. The improved unmanned aerial vehicle aerial survey image control point marking device of claim 7, further comprising a tripod ground insert;
two end parts of the top surfaces of the two fixing strips are provided with three jacks;
at least one end part of the top surfaces of the splicing strips is also provided with three jacks;
the three-pin ground socket is matched with the three jacks and used for fixing the mark strip.
9. The improved unmanned aerial vehicle aerial survey image control point marking device of claim 8, wherein the tripod ground socket comprises a double pin, a single pin and a pull ring;
the top of the double-pin is provided with a knocking head part and a threaded rod part from top to bottom in sequence;
the top end of the single pin is vertically provided with a connecting rod part;
the connecting rod part is provided with a guide hole which is used for the threaded rod part to movably pass through and is in threaded fit with the threaded rod part;
the bottom of the pull ring is provided with a threaded rod sleeve part;
the threaded rod sleeve part is movably sleeved outside the threaded rod part and is in threaded connection with the threaded rod part;
the threaded rod sleeve part and the double pins form clamping fixation on the connecting rod part.
10. The improved unmanned aerial vehicle aerial survey image control point marker device of claim 2, wherein the tiles comprise a first tile layer and a second tile layer;
the first block layer is movably stacked on the top of the second block layer;
the first layer of the splicing blocks is formed by symmetrically splicing two corner plates and three corner plates along a diagonal line;
one surface of the first block layer and the second block layer is covered with light absorption paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021563711.7U CN212320737U (en) | 2020-07-31 | 2020-07-31 | Improved unmanned aerial vehicle aerial survey image control point marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021563711.7U CN212320737U (en) | 2020-07-31 | 2020-07-31 | Improved unmanned aerial vehicle aerial survey image control point marking device |
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| Publication Number | Publication Date |
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| CN212320737U true CN212320737U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021563711.7U Expired - Fee Related CN212320737U (en) | 2020-07-31 | 2020-07-31 | Improved unmanned aerial vehicle aerial survey image control point marking device |
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| Country | Link |
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| CN (1) | CN212320737U (en) |
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- 2020-07-31 CN CN202021563711.7U patent/CN212320737U/en not_active Expired - Fee Related
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Granted publication date: 20210108 |