CN219495241U - Positioning type photogrammetry image control mark point combined with GNSS receiver - Google Patents
Positioning type photogrammetry image control mark point combined with GNSS receiver Download PDFInfo
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- CN219495241U CN219495241U CN202320285948.0U CN202320285948U CN219495241U CN 219495241 U CN219495241 U CN 219495241U CN 202320285948 U CN202320285948 U CN 202320285948U CN 219495241 U CN219495241 U CN 219495241U
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- 239000003550 marker Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000004364 calculation method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a positioning type photogrammetry image control mark point combined with a GNSS receiver, wherein the top end of a GNSS base is fixedly provided with the GNSS receiver through a bolt; a connecting support piece is fixedly pressed between the GNSS receiver and the GNSS base; the top end of the connecting support piece is provided with a lower panel in a supporting way; the center hole part of the lower panel is detachably provided with a supporting connecting piece through a buckle structure, and the top end of the supporting connecting piece is provided with an upper panel in a supporting way; the upper panel is disposed directly above the GNSS receiver. The image control mark points are combined with the GNSS receiver, so that the image control mark points are distributed efficiently; secondly, the mark point can fully utilize the existing control point, and simplifies the coordinate measurement of the image control mark point; the aerial photography and coordinate acquisition are synchronously carried out, so that the aerial photogrammetry efficiency is greatly improved, and the aerial photogrammetry field operation flow is simplified.
Description
Technical Field
The utility model belongs to the technical field of measurement, and particularly relates to a positioning type photogrammetry image control mark point combined with a GNSS receiver.
Background
The image control mark points are important components in aerial photogrammetry and are the basis of image analysis. The traditional layout of the image control mark points needs to utilize the ground features with obvious characteristics in the area, and secondly, the control network or the wire measurement needs to be performed by utilizing the control points with known coordinates in advance, so that the coordinates of the mark points are measured.
In particular, in recent years, unmanned aerial vehicle-based close-range photogrammetry is widely applied to the mapping field, ground mark points are an indispensable tool for absolute orientation of close-range photogrammetry, and the form of the mark points also affects measurement efficiency. The ground marking points widely used at present are mainly marking points painted on the ground by adopting paint.
The marking points widely used at present mainly have the following problems:
(1) The spray painting is required to be carried out on a solid and flat road surface or square, and the place restriction is large; the paint surface is easy to drop, difficult to preserve and unfavorable for recycling;
(2) The marking points of the spray painting type are easily shielded by terrains and ground objects;
(3) The mark points need to be independently subjected to coordinate acquisition, and a control network or a wire needs to be laid in advance for coordinate conduction, so that the measurement efficiency is reduced;
(4) The widely used mark points at present cannot effectively utilize the existing control points or observation piers, so that the waste of the existing resources is caused.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology, and provides a positioning type photogrammetry image control mark point combined with a GNSS receiver, which is combined with the GNSS receiver by utilizing the image control mark point to realize the efficient layout of the image control mark point; secondly, the mark point can fully utilize the existing control point, and simplifies the coordinate measurement of the image control mark point; the aerial photography and coordinate acquisition are synchronously carried out, so that the aerial photogrammetry efficiency is greatly improved, and the aerial photogrammetry field operation flow is simplified.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the positioning type photogrammetry image control mark point combined with the GNSS receiver comprises a GNSS base, wherein the top end of the GNSS base is fixedly provided with the GNSS receiver through bolts; a connecting support piece is fixedly pressed between the GNSS receiver and the GNSS base; the top end of the connecting support piece is provided with a lower panel in a supporting way; the center hole part of the lower panel is detachably provided with a supporting connecting piece through a buckle structure, and the top end of the supporting connecting piece is provided with an upper panel in a supporting way; the upper panel is disposed directly above the GNSS receiver.
In use, the GNSS base stands on ground control points, observation piers or tripod.
The connecting support piece adopts a three-jaw structure and comprises a central plate positioned at the center, bolt holes for penetrating bolts are formed in the central part of the central plate, and a plurality of groups of arc-shaped support jaws for supporting the lower panel are uniformly distributed on the outer edge of the central plate.
The buckle structure comprises an upper limit boss and a lower limit hook which are arranged on the outer wall of the support connecting piece, and the upper limit boss and the lower limit hook are respectively clamped and fixed on the upper end face and the lower end face of the lower panel.
The upper panel is used as a marker point measuring center and is of a circular structure, the center of the upper panel coincides with the center of the GNSS receiver and is used for positioning the marker point, and the upper panel adopts a detachable structure and is installed and detached through a supporting connecting piece.
The lower panel is used for identifying mark points in the aerial image and can be distinguished from other objects, four corners of the lower panel are designed into square structures which are easy to identify, and the surface height of the lower panel is the same as the phase height of the GNSS receiver.
The connecting support piece, the lower panel, the supporting connection piece and the upper panel are all made of light PVC plastic materials respectively.
The utility model has the following beneficial effects:
1. the image control mark point can be combined with a GNSS receiver, GNSS static measurement can be fully utilized, post positioning calculation can be realized, and the image control point layout and coordinate calculation efficiency of wide-area aerial photogrammetry can be effectively improved.
2. The image control mark point can be erected on a ground control point or an observation pier by using the GNSS base, and the existing control point coordinates are fully and effectively utilized.
3. The image control mark points are light and convenient to install and easy to fix, so that the laying flow of the image control mark points in aerial photogrammetry is greatly simplified, and the image acquisition efficiency is improved.
4. The positioning type photogrammetry image control mark point combined with the GNSS receiver is made of a light PVC material by adopting a separated structure, does not influence GNSS signals, and is convenient and flexible to use.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a front cross-sectional view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is an image control marker point identification chart of the present utility model.
In the figure: the upper panel 1, the lower panel 2, the support connector 3, the connection support 4, the GNSS receiver 5, the GNSS base 6, the bolts 7, the bolt holes 10, the lower limit hooks 9, the bolt holes 10, the center plate 11 and the arc-shaped support claws 12.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1-3, a positioning type photogrammetry image control mark point combined with a GNSS receiver comprises a GNSS base 6, wherein the top end of the GNSS base 6 is fixedly provided with the GNSS receiver 5 through a bolt 7; a connecting support 4 is fixedly pressed between the GNSS receiver 5 and the GNSS base 6; the top end of the connecting support piece 4 is supported and provided with the lower panel 2; the center hole part of the lower panel 2 is detachably provided with a supporting connecting piece 3 through a buckle structure, and the top end of the supporting connecting piece 3 is provided with an upper panel 1 in a supporting way; the upper panel 1 is arranged directly above the GNSS receiver 5. The image control mark points are combined with the GNSS receiver, so that the image control mark points are distributed efficiently; secondly, the mark point can fully utilize the existing control point, and simplifies the coordinate measurement of the image control mark point; the aerial photography and coordinate acquisition are synchronously carried out, so that the aerial photogrammetry efficiency is greatly improved, and the aerial photogrammetry field operation flow is simplified.
Further, in use, the GNSS base 6 is erected on a ground control point, observation piers or tripod. By the above-described installation arrangement, the reliability of the installation and fixation of the entire GNSS base 6 is ensured.
Further, the connecting support 4 adopts a three-jaw structure, and comprises a central plate 11 positioned at the center, bolt holes 10 for penetrating through bolts 7 are formed in the central part of the central plate 11, and a plurality of groups of arc-shaped support jaws 12 for supporting the lower panel 2 are uniformly distributed on the outer edge of the central plate 11. The GNSS receiver 5 and the lower panel 2 can be simultaneously connected by using the above-described connection support 4. The weight of the whole connecting support piece is effectively reduced by adopting the three-jaw structure.
Further, the buckle structure comprises an upper limit boss 8 and a lower limit hook 9 which are arranged on the outer wall of the support connecting piece 3, and the upper limit boss 8 and the lower limit hook 9 are respectively clamped and fixed on the upper end face and the lower end face of the lower panel 2. Through the buckle structure, the support connecting piece 3 and the lower panel 2 can be conveniently and fixedly connected reliably, and the assembly and the disassembly can be convenient.
Further, the upper panel 1 is in a circular structure as a measuring center of the marker point, and the center of the upper panel is coincident with the center of the GNSS receiver for positioning the marker point, and the upper panel adopts a detachable structure, and realizes installation and detachment through the support connecting piece 3.
Further, the lower panel 2 is used for identifying the mark points in the aerial image and can be distinguished from other objects, the four corners of the lower panel are designed into a square structure which is easy to identify, and the surface height of the lower panel is the same as the phase height of the GNSS receiver.
Further, the connecting support 4, the lower panel 2, the supporting connection 3 and the upper panel 1 are all made of light PVC plastic materials. The GNSS signals are not affected by adopting the light PVC plastic material, and the mark points are convenient and flexible to use.
The specific working process and principle of the utility model are as follows:
step one, installing a GNSS base 6 on an observation pier or a tripod;
secondly, installing the GNSS receiver 5 and the connecting support 4 by bolts 7, and then installing the lower panel 2;
step three, installing the upper panel 1 and turning on the GNSS receiver 5;
fourthly, performing aerial photogrammetry image acquisition operation;
step five, closing the GNSS receiver 5 after image acquisition is finished, and dismantling the panel 1 on the marker point;
and step six, performing GNSS calculation to obtain the coordinates of the mark points.
Claims (7)
1. A positioning photogrammetry image-controlled marker point combined with a GNSS receiver, characterized in that: the GNSS receiver comprises a GNSS base (6), wherein a GNSS receiver (5) is fixedly arranged at the top end of the GNSS base (6) through a bolt (7); a connecting support (4) is fixedly pressed between the GNSS receiver (5) and the GNSS base (6); the top end of the connecting support piece (4) is provided with a lower panel (2); the center hole part of the lower panel (2) is detachably provided with a supporting connecting piece (3) through a buckle structure, and the top end of the supporting connecting piece (3) is provided with an upper panel (1) in a supporting way; the upper panel (1) is arranged directly above the GNSS receiver (5).
2. A positioning photogrammetry image-controlled marker point in combination with a GNSS receiver according to claim 1, wherein: in use, the GNSS base (6) is erected on a ground control point, an observation pier or a tripod.
3. A positioning photogrammetry image-controlled marker point in combination with a GNSS receiver according to claim 1, wherein: the connecting support piece (4) adopts a three-jaw structure, and comprises a central plate (11) positioned at the center, bolt holes (10) used for penetrating through bolts (7) are formed in the central part of the central plate (11), and a plurality of groups of arc-shaped support jaws (12) used for supporting the lower panel (2) are uniformly distributed on the outer edge of the central plate (11).
4. A positioning photogrammetry image-controlled marker point in combination with a GNSS receiver according to claim 1, wherein: the buckle structure comprises an upper limit boss (8) and a lower limit hook (9) which are arranged on the outer wall of the support connecting piece (3), and the upper limit boss (8) and the lower limit hook (9) are respectively clamped and fixed on the upper end face and the lower end face of the lower panel (2).
5. A positioning photogrammetry image-controlled marker point in combination with a GNSS receiver according to claim 1, wherein: the upper panel (1) is used as a marker point measuring center and is of a circular structure, the center of the upper panel is overlapped with the center of the GNSS receiver and is used for positioning the marker point, and the upper panel is of a detachable structure and is installed and detached through a supporting connecting piece (3).
6. A positioning photogrammetry image-controlled marker point in combination with a GNSS receiver according to claim 1, wherein: the lower panel (2) is used for identifying mark points in aerial images and can be distinguished from other objects, four corners of the lower panel are designed into square structures which are easy to identify, and the surface height of the lower panel is the same as the phase height of a GNSS receiver.
7. A positioning photogrammetry image-controlled marker point in combination with a GNSS receiver according to claim 1, wherein: the connecting support piece (4), the lower panel (2), the supporting connection piece (3) and the upper panel (1) are all made of light PVC plastic materials respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320285948.0U CN219495241U (en) | 2023-02-22 | 2023-02-22 | Positioning type photogrammetry image control mark point combined with GNSS receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320285948.0U CN219495241U (en) | 2023-02-22 | 2023-02-22 | Positioning type photogrammetry image control mark point combined with GNSS receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219495241U true CN219495241U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320285948.0U Active CN219495241U (en) | 2023-02-22 | 2023-02-22 | Positioning type photogrammetry image control mark point combined with GNSS receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219495241U (en) |
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2023
- 2023-02-22 CN CN202320285948.0U patent/CN219495241U/en active Active
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