Measuring device capable of moving to be close to photogrammetric target image control point

Abstract

The utility model relates to the technical field of photogrammetry, and aims to solve the problems in the prior art that the surface of an image control point is not parallel to the surface of a monitored object, the image acquisition precision is poor, free movement cannot be realized, repeated utilization cannot be realized, the indoor data processing precision is poor, and the working efficiency is low. The utility model provides a measuring device capable of moving to be close to a photogrammetric target image control point. A circular image control point mark is arranged on one side of the target, and the circular image control point mark and the target are located in the same plane; a control assembly used for controlling the angle of the target is arranged at the bottom of the target, and the end, close to the target, of the control assembly is fixedly connected to the target. The end, away from the target, of the control assembly is telescopically connected with a connecting rod. The beneficial effects of the utility model are that the surface of an image control point is parallel to the surface of a monitored object, the image acquisition precision is high, the system can move freely, the system is convenient to reuse, the indoor data processing precision is high, and the working efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to photographic surveying and mapping technical field, more particularly to a kind of movable measurement device of close photographic surveying target image control point. BACKGROUND

[0002] With the development of photographic surveying and mapping technology, target image control point plays an important role in photographic surveying and mapping, and the normativeness of target point setting in photographic surveying and mapping field directly affects the accuracy of data processing in office, and reasonable setting of target image control point is of great significance to improve the accuracy of data processing in office of close photographic surveying and mapping.

[0003] Surveying and mapping personnel generally need to set target image control points on the surface of the monitored building object before close photographic surveying and mapping, so that the unmanned aerial vehicle image system can quickly capture image control point mark images, to improve the accuracy of data processing in office of close photographic surveying and mapping.

[0004] In the current industry, people usually use stickers as target image control points, but such image control points cannot be firmly placed on the surface of the building, for example, outdoor soil slope, which can easily lead to the surface of the image control point not parallel, thereby affecting the image acquisition accuracy of photographic surveying and mapping image control point, and the use of stickers also cannot be moved freely, cannot be reused, has poor data processing accuracy in office, and low work efficiency. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of movable measurement device of close photographic surveying target image control point, to solve the problem of image control point surface and the surface of the monitored object not parallel, poor image acquisition accuracy, not freely movable, cannot be reused, poor data processing accuracy in office and low work efficiency in the prior art.

[0006] The embodiment of the utility model is implemented as follows:

[0007] The embodiment of the utility model provides a kind of movable measurement device of close photographic surveying target image control point, which comprises a sighting board;

[0008] The above-mentioned sighting board has a circular image control point mark on one side, and the above-mentioned circular image control point mark and the above-mentioned sighting board are located in the same plane;

[0009] The bottom of the above-mentioned sighting board is provided with a control assembly for controlling the angle of the above-mentioned sighting board, and the end of the above-mentioned control assembly close to the above-mentioned sighting board is fixedly connected to the above-mentioned sighting board;

[0010] The end of the above-mentioned control assembly away from the above-mentioned sighting board is telescopically connected with a connecting rod.

[0011] In use, the connecting rod of the measuring device is inserted into the monitored object and fixed firmly, the control assembly is used to adjust the pitch angle of the sighting post, so that the surface of the sighting post is parallel to the surface of the monitored object, and the unmanned aerial vehicle image system is used to quickly capture the circular image control point mark.

[0012] The movable close-to-photogrammetry target image control point measuring device disclosed by the embodiment has the beneficial effects of parallel surface of the image control point to the surface of the monitored object, high image acquisition accuracy, free movement, easy reuse, high data processing accuracy and high work efficiency.

[0013] Optionally, the control assembly has a first control arm and a second control arm, and the first control arm and the first control arm each have a first support rod, and the first support rod is fixedly connected to the side of the sighting post away from the circular image control point mark.

[0014] In this way, the sighting post is fixedly connected to the control assembly through the first control arm and the first support rod on the first control arm, so that the control assembly can control the horizontal angle of the sighting post, and the surface of the sighting post is parallel to the surface of the monitored object.

[0015] Optionally, the side of the sighting post away from the circular image control point mark is fixedly connected with a first fixing device and a second fixing device, and the first support rod is fixedly connected to the first fixing device and the second fixing device.

[0016] In this way, the first support rod is fixed by the first fixing device and the second fixing device, which improves the structural strength of the mutual connection between the sighting post and the first support rod, prevents loosening and affects the levelness of the sighting post, and further avoids affecting the accuracy of image acquisition of the photogrammetry image control point.

[0017] Optionally, the first support rod is provided with a second support rod at the end away from the sighting post, the second support rod is hingedly connected with a movable knob at the end close to the first support rod, and the movable knob is hingedly connected to the end of the first support rod away from the sighting post.

[0018] In this way, the movable knob is provided, so that the connection between the first support rod and the second support rod can be adjusted in angle, and the horizontal angle of the sighting post is adjusted, so that the surface of the sighting post is parallel to the surface of the monitored object.

[0019] Optionally, the second support rod is a hollow tube, and the connecting rod is telescopically connected inside the second support rod.

[0020] In this way, the length of the connecting rod can be adjusted according to the use environment, the depth of insertion into the monitored object is controlled, the measuring device is stably inserted on the monitored object, the unmanned aerial vehicle can quickly capture the image control point mark image, and the accuracy of the photogrammetry image acquisition is improved.

[0021] Optionally, the second support rod is a hollow tube, and the connecting rod is telescopically connected inside the second support rod.

[0022] In this way, the connecting rod can be locked or unlocked by rotating the locking knob, so that the connecting rod can be telescopically adjusted along the axis of the second support rod, and the target image control point can be inserted into the monitored object without tilting and displacement.

[0023] Optionally, the second support rod of the first control arm and the second support rod of the second control arm are provided with a cross bar, the cross bar has a rotatable pin shaft, the pin shaft is threadedly connected with a telescopic rod, and the telescopic rod is hingedly connected to the side top end of the target far away from the circular image control point mark.

[0024] In this way, the telescopic rod can freely adjust the pitch angle of the target, so that the surface of the target is parallel to the surface of the monitored object.

[0025] Optionally, the side top end of the target far away from the circular image control point mark has a hinged seat, and the telescopic rod is hingedly connected to the hinged seat.

[0026] In this way, the hinged seat is provided to facilitate the adjustment of the pitch angle of the target.

[0027] Optionally, the target is a rectangular structure, the circular image control point mark has uniformly distributed first, second, third and fourth sectors, and the same place of the first, second, third and fourth sectors has an image control point with the same axis.

[0028] In this way, the image control point formed by the first, second, third and fourth sectors facilitates the unmanned aerial vehicle to quickly capture the image control point mark image.

[0029] Optionally, the first control arm and the second control arm are parallel and spaced apart from each other, and the first control arm and the second control arm are parallel and staggered with the sighting post.

[0030] In this way, the inclination angle of the sighting post can be controlled, and the surface of the sighting post can be kept parallel to the surface of the monitored object.

[0031] In summary, the movable close-to-photographic survey target image control point measuring device has the advantages of parallel surface of the image control point to the surface of the monitored object, high image acquisition accuracy, free movement, easy reuse, high data processing accuracy and high work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0033] Figure 1 FIG. 1 is a front view of a movable close-to-photographic survey target image control point measuring device according to an embodiment of the present application;

[0034] Figure 2 FIG. 2 is a left view of a movable close-to-photographic survey target image control point measuring device according to an embodiment of the present application;

[0035] Figure 3 FIG. 3 is a top view of a movable close-to-photographic survey target image control point measuring device according to an embodiment of the present application.

[0036] FIG. 1 is a front view of a movable close-to-photographic survey target image control point measuring device according to an embodiment of the present application; DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0038] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0039] Embodiments

[0040] Referring to Figure 1 , Figure 2 and Figure 3 , the present embodiment proposes a movable measurement device close to photographic measurement target image control point, comprising a sighting board 1;

[0041] The sighting board 1 has a circular image control point mark 2 on one side, and the circular image control point mark 2 and the sighting board 1 are located in the same plane;

[0042] The bottom of the sighting board 1 is provided with a control assembly 3 for controlling the angle of the sighting board 1, and the control assembly 3 is fixedly connected to the sighting board 1 at one end close to the sighting board 1;

[0043] The end of the control assembly 3 away from the sighting board 1 is telescopically connected with a connecting rod 4.

[0044] In use, the connecting rod 4 of the measurement device is inserted into the monitored object and fixed firmly, the pitch angle of the sighting board 1 is adjusted through the control assembly 3, so that the surface of the sighting board 1 is parallel to the surface of the monitored object, and the circular image control point mark 2 is quickly captured by the unmanned aerial vehicle image system.

[0045] The measurement device disclosed in the present embodiment can move close to the photographic measurement target image control point, and the pitch angle of the sighting board 1 is adjusted by the control assembly 3, so that the surface of the sighting board 1 is parallel to the surface of the monitored object, the unmanned aerial vehicle can accurately obtain the monitoring data, and the measurement device has the beneficial effects of the image control point surface being parallel to the surface of the monitored object, high image acquisition accuracy, free movement, easy reuse, high data processing accuracy and high work efficiency.

[0046] Referring to Figure 1 , Figure 2 and Figure 3The control assembly 3 has a first control arm 5 and a second control arm 6, and the first control arm 5 and the first control arm 5 each have a first supporting rod 7 fixedly connected to the side of the target 1 away from the circular image control point mark 2. The target 1 is fixedly connected to the first control arm 5 and the first control arm 5 through the first supporting rod 7, so that the target 1 is connected with the control assembly 3 as a whole, and the control assembly 3 can control the horizontal angle of the target 1, and the surface of the target 1 is kept parallel to the surface of the monitored object.

[0047] The target 1 is fixedly connected with a first fixing device 8 and a second fixing device 9 on the side away from the circular image control point mark 2, and the first supporting rod 7 is fixedly connected to the first fixing device 8 and the second fixing device 9. The first supporting rod 7 is fixed by the first fixing device 8 and the second fixing device 9, which improves the structural strength of the mutual connection between the target 1 and the first supporting rod 7, prevents loosening and affects the levelness of the target 1, and avoids affecting the accuracy of image acquisition of the image control point in photogrammetry.

[0048] The first supporting rod 7 is provided with a second supporting rod 10 at the end away from the target 1, and the second supporting rod 10 is hingedly connected with a movable knob 11 at the end close to the first supporting rod 7. The movable knob 11 is hingedly connected to the end of the first supporting rod 7 away from the target 1. The movable knob 11 can adjust the angle of the connection between the first supporting rod 7 and the second supporting rod 10, and then adjust the horizontal angle of the target 1, so that the surface of the target 1 is kept parallel to the surface of the monitored object.

[0049] The second supporting rod 10 is a hollow pipe, and the connecting rod 4 is telescopically connected in the inside of the second supporting rod 10. Thus, the length of the connecting rod 4 can be adjusted according to the use environment, and the depth of insertion into the monitored object is controlled, so that the measuring device is stably inserted into the monitored object, the image control point mark image is quickly captured by the unmanned aerial vehicle, and the accuracy of image acquisition in photogrammetry is improved.

[0050] Referring to Figure 1 , Figure 2 and Figure 3 , the second supporting rod 10 is provided with a locking knob 12 at the end close to the connecting rod 4, and the connecting rod 4 is telescopically connected in the inside of the second supporting rod 10 at the end close to the second supporting rod 10. The locking knob 12 can lock or release the connecting rod 4, so that the connecting rod 4 can be telescopically adjusted along the axis of the second supporting rod 10, and the length of the connecting rod 4 can be adjusted, which is convenient for insertion into the monitored object, and does not cause the target image control point to be inclined and displaced.

[0051] The second support rod 10 of the first control arm 5 is provided with a crossbar 13 between the second support rod 10 of the second control arm 6, the crossbar 13 is provided with a rotatable pin shaft 14, the pin shaft 14 is threadedly connected with an extension rod 15, one end of the extension rod 15 close to the target 1 is hingedly connected to the top end of the target 1 away from the circular image control point mark 2, by rotating the pin shaft 14, the extension rod 15 can freely adjust the pitch angle of the target 1, so that the surface of the target 1 is parallel to the surface of the monitored object.

[0052] Referring to Figure 1 , Figure 2 and Figure 3 , the top end of the target 1 away from the circular image control point mark 2 is provided with a hinged seat 16, and the end of the extension rod 15 close to the target 1 is hingedly connected to the hinged seat 16, and the hinged seat 16 is arranged to facilitate the target 1 to adjust the pitch angle.

[0053] The target 1 is of a rectangular structure, and the circular image control point mark 2 is provided with uniformly distributed first, second, third and fourth sectors 17, 18, 19 and 20, and the same place of the first, second, third and fourth sectors 17, 18, 19 and 20 is provided with coaxial image control points 21, and the image control points formed by the first, second, third and fourth sectors 17, 18, 19 and 20 facilitate the unmanned aerial vehicle to quickly capture the image control point mark image.

[0054] The first control arm 5 and the second control arm 6 are parallel and spaced apart, and the first control arm 5 and the second control arm 6 are parallel and staggered with the target 1, so that the inclination angle of the target 1 is controllable, and the surface of the target 1 is parallel to the surface of the monitored object.

[0055] Referring to Figure 1 , Figure 2 and Figure 3 , in this embodiment, the target image control point measuring device can be easily stored and reused.

[0056] Referring to Figure 1 , Figure 2 and Figure 3 , in this embodiment, the first, second, third and fourth sectors 17, 18, 19 and 20 are provided with two colors, and the first, second, third and fourth sectors 17, 18, 19 and 20 of the same color are symmetrically distributed.

[0057] Referring to Figure 1 , Figure 2 and Figure 3In the embodiment, the measuring device can be used to quickly install the image control point on the surface of the monitored object, the measuring device can be vertically adjusted, the surface of the target 1 can be ensured to be parallel to the surface of the monitored object, the unmanned aerial vehicle image system can better capture the image control point mark image, the measuring device uses two connecting rods 4 embedded in the monitored object, and the target image control point is not inclined and displaced, the device can be freely stored, reused, and the work efficiency is improved.

[0058] Referring to Figure 1 、 Figure 2 and Figure 3 , the specific use principle of the measuring device capable of moving close to the photogrammetric target image control point in the embodiment is as follows:

[0059] In use, first, the locking knobs 12 on the first control arm 5 and the second control arm 6 are rotated, the connecting rods 4 on the first control arm 5 and the second control arm 6 are pulled to a suitable length, and the locking knobs 12 are rotated again, so that the connecting rods 4 on the first control arm 5 and the second control arm 6 are locked, then the workers insert the connecting rods 4 on the measuring device into the monitored object, so that the measuring device is not inclined and displaced, then the workers rotate the pin shaft 14 on the cross rod 13, the pin shaft 14 drives the telescopic rod 15, the first support rod 7 and the second support rod 10 change the angle under the action of the movable knob 11, the telescopic rod 15 adjusts the pitch angle of the target 1, so that the surface of the target 1 is kept parallel to the surface of the monitored object, the unmanned aerial vehicle image system can quickly capture the image control point mark image, collect relevant data, and improve the accuracy of the indoor data processing of the close photogrammetry.

[0060] The above only describes the preferred embodiments of the present application and is not used to limit the present application, for those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A movable measurement device for close-to-target photogrammetric control points, comprising: a sighting board (1); the sighting board (1) has a circular control point mark (2) on one side thereof, the circular control point mark (2) and the sighting board (1) are in the same plane; the bottom of the sighting board (1) is provided with a control assembly (3) for controlling the angle of the sighting board (1), the control assembly (3) is fixedly connected to the sighting board (1) at one end close to the sighting board (1); and the other end of the control assembly (3) away from the sighting board (1) is telescopically connected with a connecting rod (4).

2. The movable measurement device for close-to-target photogrammetric control points according to claim 1, wherein: the control assembly (3) has a first control arm (5) and a second control arm (6), the first control arm (5) and the second control arm (6) each have a first support rod (7), and the first support rod (7) is fixedly connected to the side of the sighting board (1) away from the circular control point mark (2).

3. The movable measurement device for close-to-target photogrammetric control points according to claim 2, wherein: the side of the sighting board (1) away from the circular control point mark (2) is fixedly connected with a first fixing device (8) and a second fixing device (9), and the first support rod (7) is fixedly connected to the first fixing device (8) and the second fixing device (9) at one end close to the sighting board (1).

4. The movable measurement device for close-to-target photogrammetric control points according to claim 2, wherein: the first support rod (7) is provided with a second support rod (10) at the other end thereof away from the sighting board (1), the second support rod (10) is hingedly connected with a movable knob (11) at one end close to the first support rod (7), and the movable knob (11) is hingedly connected to the other end of the first support rod (7) away from the sighting board (1).

5. The movable measurement device for close-to-target photogrammetric control points according to claim 4, wherein: the second support rod (10) is a hollow tube, and the connecting rod (4) is telescopically connected inside the second support rod (10).

6. The movable measurement device for close-to-target photogrammetric control points according to claim 5, wherein: the second support rod (10) is provided with a locking knob (12) at one end close to the connecting rod (4), and the connecting rod (4) penetrates through the locking knob (12) at one end close to the second support rod (10) and is telescopically connected inside the second support rod (10).

7. The movable measurement device for close-to-target photogrammetric control points according to claim 6, wherein: ​ ​ ​ ​ ​ ​ ​ ​ ​ The second support rod (10) of the first control arm (5) is provided with a crossbar (13) between the second support rod (10) of the second control arm (6), the crossbar (13) has a rotatable pin shaft (14), the pin shaft (14) is threadedly connected with a telescopic rod (15), and one end of the telescopic rod (15) close to the target board (1) is hingedly connected to a top end of a side of the target board (1) away from the circular image control point mark (2).

8. The measurement device capable of moving close to the photographic measurement target image control point according to claim 7, wherein: The top end of the side of the target board (1) away from the circular image control point mark (2) is provided with a hinged seat (16), and the one end of the telescopic rod (15) close to the target board (1) is hingedly connected to the hinged seat (16).

9. The measurement device capable of moving close to the photographic measurement target image control point according to claim 1, wherein: The target board (1) is of a rectangular structure, the circular image control point mark (2) is provided with uniformly distributed first, second, third and fourth sectors (17, 18, 19 and 20), and the first, second, third and fourth sectors (17, 18, 19 and 20) are provided with image control points (21) with coaxial centers at the same positions.

10. The measurement device capable of moving close to the photographic measurement target image control point according to claim 2, wherein: The first control arm (5) and the second control arm (6) are parallel to and spaced from each other, and the first control arm (5) and the second control arm (6) are parallel to each other and are misaligned with the target board (1).

Images