CN215261763U

CN215261763U - Positioning identification system

Info

Publication number: CN215261763U
Application number: CN202120647157.9U
Authority: CN
Inventors: 郑树晓
Original assignee: Hebei Zhipu Information Technology Co ltd
Current assignee: Hebei Zhipu Information Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-21
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a location identification system relates to the mapping equipment field. The utility model provides a location identification system, includes connecting rod and two setting elements, and two above-mentioned setting elements are installed in above-mentioned connecting rod both ends horizontally respectively, and one side that two setting elements deviate from above-mentioned connecting rod is equipped with a plurality of contrast districts, and a plurality of above-mentioned contrast districts intersect in same calibration point. When the aerial photography surveying and mapping device is used for aerial photography and mapping, observation is convenient, and the region to be measured can be accurately marked.

Description

Positioning identification system

Technical Field

The utility model relates to a mapping equipment field particularly, relates to a location identification system.

Background

The aerial survey digital mapping of the unmanned aerial vehicle is a main means of mapping in recent years, when the unmanned aerial vehicle is used for aerial photogrammetry, a mapping ruler is often needed, a common mapping ruler uses a plurality of strip-shaped iron plates to be combined as an aerial photography mapping ruler, square black paint is sprayed on two ends of the common mapping ruler to be used as a calibration point of the ruler, and the common mapping ruler is large in size, heavy in weight and inconvenient to carry; when the measurement is carried out, the central points of the black square calibration blocks at the two ends of the scale are difficult to accurately position, and measurement errors are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a location identification system, it is when taking a photograph the survey and drawing, conveniently observes, can mark the regional accuracy of awaiting measuring.

The embodiment of the utility model is realized like this:

the utility model provides a location identification system, includes connecting rod and two setting elements, and two above-mentioned setting elements are installed in above-mentioned connecting rod both ends horizontally respectively, and one side that two setting elements deviate from above-mentioned connecting rod is equipped with a plurality of contrast districts, and a plurality of above-mentioned contrast districts intersect in same calibration point.

The utility model discloses an in some embodiments, above-mentioned setting element is close to one side of connecting rod is equipped with a plurality of locating areas, and a plurality of above-mentioned locating areas cross in same setpoint, and above-mentioned setpoint corresponds the matching with above-mentioned demarcation point.

In some embodiments of the present invention, any one of the positioning members is detachably connected to the connecting rod.

The utility model discloses an in some embodiments, arbitrary one above-mentioned setting element includes the locating piece and marks the tablet, and above-mentioned locating piece can be dismantled and connect in above-mentioned connecting rod tip, and above-mentioned tablet one side is markd to a plurality of above-mentioned contrast districts locating the aforesaid, and above-mentioned locating piece is equipped with the arch, and the above-mentioned tablet of maring is equipped with the through-hole corresponding with above-mentioned arch, and above-mentioned through-hole is located above-mentioned mark point.

The utility model discloses an in some embodiments, above-mentioned connecting rod includes a plurality of equipment pole, and a plurality of equipment pole head and the tail cup joint in proper order, and two above-mentioned setting elements are connected with two above-mentioned equipment pole one-to-ones of head and the tail.

The utility model discloses an in some embodiments, above-mentioned location identification means still includes stretch cord and two shutoff pieces, and the above-mentioned equipment pole of a plurality of sets up between two above-mentioned shutoff pieces, and inside a plurality of equipment pole was worn to locate by above-mentioned stretch cord, and both ends were connected with two above-mentioned shutoff piece one-to-ones.

In some embodiments of the present invention, any one of the plugging members is inserted into the positioning member.

The utility model discloses an in some embodiments, above-mentioned location identification means still includes the location signboard, and above-mentioned location signboard is the triangle-shaped board, and the lateral part is equipped with the rectangle identification area, and above-mentioned rectangle identification area is located a side of above-mentioned location signboard.

In some embodiments of the present invention, the above positioning and marking device further comprises a plurality of reflective plates, and the plurality of reflective plates are sequentially hinged end to end.

In some embodiments of the present invention, any two adjacent reflective plates are hinged to each other by a soft rubber hinge.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

The utility model discloses a place the connecting rod horizontally in ground, two setting elements are installed in the connecting rod both ends horizontally, through surveing two setting elements, can realize the accurate measurement of taking photo by plane to the region that awaits measuring. Two setting elements levels set up and just deviate from one side of above-mentioned connecting rod and be equipped with a plurality of contrast areas to when taking photo by plane and measuring, surveying personnel can carry out clearer discernment to the setting element through a plurality of contrast areas on the setting element. A plurality of above-mentioned contrast areas intersect in same index point, after carrying out the aerial photography measurement, the position of two index points on the definite photograph that can understand is convenient for obtain the distance between the pixel that two index points locate on the photograph, through the proportion of two index point actual distance and the pixel distance of locating, calculates the actual size in the region that awaits measuring to carry out accurate aerial photography measurement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a connecting rod and a positioning member according to an embodiment of the present invention;

FIG. 2 is a schematic view of two sides of a positioning signboard according to an embodiment of the present invention;

FIG. 3 is a schematic view of a reflection plate according to an embodiment of the present invention;

FIG. 4 is a partial cross-sectional view of an embodiment of the present invention;

fig. 5 is a schematic view of a plugging member according to an embodiment of the present invention.

Icon: 1-calibration plate, 2-connecting rod, 3-positioning block, 4-blocking piece, 5-positioning signboard, 6-reflecting plate, 201-assembling rod, 301-bulge, 401-clamping cap, 402-second through hole, 501-rectangular identification area and 601-soft glue hinge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 to 5, fig. 1 to 5 show that the present embodiment provides a positioning and marking system, which is convenient for observation and can accurately mark an area to be measured during aerial photography and mapping.

The utility model provides a location identification system, includes connecting rod 2 and two setting elements, and two above-mentioned setting elements are installed in 2 both ends of above-mentioned connecting rod horizontally respectively, and one side that two setting elements deviate from above-mentioned connecting rod 2 is equipped with a plurality of contrast districts, and a plurality of above-mentioned contrast districts intersect in same calibration point.

In the above embodiment, the connecting rod 2 may be made of an aluminum alloy, so as to obtain a lighter weight and be portable. Two setting elements can be the target plate, and connect in the both ends of connecting rod 2 through bolt or the mode that bonds, and wherein two setting elements are located same horizontal plane, and one side that two setting elements deviate from the installation pole is equipped with a plurality of contrast areas, and the colour in two arbitrary adjacent contrast areas is different to form the contrast, be convenient for identify, in this embodiment, two adjacent contrast areas also can be respectively for reflecting light material and extinction material, thereby contrast through the light and shade of reflection of light. When two of them setting elements were installed in the both ends of connecting rod 2, the distance between the calibration point of two setting elements was fixed as a constant value, and it can be as the reference length when taking photo by plane survey and drawing. The calibration points at the intersection can be more easily identified by intersecting the multiple comparison areas at the same calibration point, so that the identification degree and the positioning precision of the calibration points are improved. During the use, place 2 regions of awaiting measuring with the connecting rod horizontally, unmanned aerial vehicle flies to the regional central authorities top of awaiting measuring, the photo of bowing downwards, through the calibration point of discernment two setting elements in the photo, after obtaining the pixel distance between two calibration points, use the scale both ends disc between the punctuation point reference length and the proportion between the pixel distance as the standard proportion, convert into actual distance with regional holistic pixel distance of awaiting measuring, thereby realize surveying and drawing through the photo of taking photo by plane to the region of awaiting measuring.

The utility model discloses an in some embodiments, as shown in fig. 1, above-mentioned setting element is close to one side of connecting rod 2 is equipped with a plurality of locating areas, and a plurality of above-mentioned locating areas intersect in same setpoint, and above-mentioned setpoint corresponds the matching with above-mentioned demarcation point.

In the above embodiments, a plurality of positioning areas are disposed on one side of the positioning element close to the connecting rod 2, wherein the positioning areas and the comparison areas may have the same shape. The locating area also can set up to the shape different with the contrast district, and wherein the setting element can be for dismantling connect in connecting rod 2 to when using in the measuring environment of difference, for example when surveying and drawing in different environment or different distances such as meadow, sand, mark through the different sides of selecting the setting element, thereby obtain best observation effect. A plurality of locating areas intersect in same setpoint, and wherein the setpoint corresponds the installation of connecting rod 2, and the setpoint corresponds the matching with the demarcation point for the length that two setpoints correspond connecting rod 2 is the same with the distance size between two demarcation points, is convenient for utilize 2 length settings of connecting rod to carry out accurate survey and drawing at the demarcation point of two setting elements. In this embodiment, when the setting element is installed in connecting rod 2, its both sides all can with the installation of connecting rod 2, and distance between the setpoint of two setting elements and the distance between the calibration point all can play the reference effect.

In some embodiments of the present invention, as shown in fig. 1, any one of the positioning members is detachably connected to the connecting rod 2.

In the above embodiment, two setting elements can be connected respectively in the both ends of connecting rod 2 through the mode of joint or grafting to the convenience is dismantled the setting element from connecting rod 2 and is taken in, makes things convenient for surveying and mapping personnel to carry at field work time.

In some embodiments of the present invention, as shown in fig. 1 and 4, any one of the positioning members includes a positioning block 3 and a calibration plate 1, the positioning block 3 is connected to the end of the connecting rod 2, the plurality of comparison areas are located on one side of the calibration plate 1, the positioning block 3 is provided with a protrusion 301, the calibration plate 1 is provided with a through hole corresponding to the protrusion 301, and the through hole is located at the calibration point.

In the above embodiment, the positioning block 3 is a cylinder made of aluminum alloy, the curved surface is milled with the stepped hole, the diameter of one end of the through hole is matched with the diameter of the connecting rod 2, the end of the connecting rod 2 is inserted into the stepped hole, so that the connecting rod is convenient to detach, and the positioning block 3 can be prevented from sliding on the connecting rod 2 by arranging the stepped hole. The calibration board 1 is a circular acrylic plate, the side surface of the calibration board is equally divided into four fan-shaped contrast areas, and any two adjacent contrast areas are respectively black and white, so that a bright contrast effect is formed, and the observability of the calibration board 1 is improved. The four fan-shaped comparison areas are converged at the circle center, namely the calibration point/positioning point, so that the identification degree and the positioning precision are improved. The circle center of the calibration plate 1 is provided with a first through hole, and the circular central surface of the positioning block 3 is provided with a bulge 301 corresponding to the first through hole. During the use, peg graft in the both ends of connecting rod 2 with two locating pieces 3 one by one, the one side that is equipped with protruding 301 with locating piece 3 up, will mark tablet 1 and place on locating piece 3, the protruding 301 of through-hole pegs graft with first through-hole, can accomplish the equipment, convenient and fast.

In some embodiments of the present invention, as shown in fig. 1, the connecting rod 2 includes a plurality of assembling rods 201, the assembling rods 201 are sequentially sleeved from the head to the tail, and two of the positioning members are connected to the head and the tail of the assembling rods 201 in a one-to-one manner.

In the above embodiment, the assembly rod 201 is 7001 aluminum alloy pipe, and a plurality of assembly rods 201 are equal in length, and a plurality of assembly rods 201 cup joint end to end in proper order, and when not using, can take in a plurality of connecting rods 2 taking apart, have reduced length and have conveniently carried. Wherein two locating pieces 3 peg graft respectively in the tip of two equipment poles 201 of head and the tail, cup joint the equipment pole 201 of different quantity through the centre to can obtain different reference length, be applied to in the survey and drawing work of difference.

In some embodiments of the present invention, as shown in fig. 1, fig. 4 and fig. 5, the positioning and marking device further includes an elastic rope and two plugging pieces 4, the assembling rods 201 are disposed between the two plugging pieces 4, the elastic rope is inserted into the assembling rods 201, and two ends of the elastic rope are connected to the two plugging pieces 4 in a one-to-one manner.

In the above embodiment, the elastic cord is a conventionally known one, and is not particularly limited herein. Inside a plurality of equipment poles 201 are worn to locate by the stretch cord, both ends stretch out respectively and install and be connected with two shutoff pieces 4 one-to-one behind the locating piece 3 on two equipment poles 201 of head and the tail, and two shutoff pieces 4 can be installed in the tip of equipment pole 201 through the mode of bolt or joint to fix the stretch cord inside a plurality of equipment poles 201 through two shutoff pieces 4. Wherein the stretch cord is in the tensile state to after a plurality of equipment poles 201 cup joint each other, the pulling force through the stretch cord can make the fastening more that connect between a plurality of equipment poles 201. When the assembling rod 201 needs to be disassembled, the two adjacent assembling rods 201 are pulled outwards, and the tension rope deforms. The adjacent assembly bars 201 are separated and folded to be stored.

In some embodiments of the present invention, as shown in fig. 1, 4 and 5, any one of the blocking members 4 is inserted into the positioning member.

In the above embodiment, the blocking member 4 is an aluminum alloy cylinder, and one end of the blocking member is provided with a clamping cap 401, two sides of the other end of the blocking member are milled, and the middle portion of the blocking member is provided with a second through hole 402. The elastic rope extends out of the positioning block 3, passes through the second through hole 402 and is then tied on the plugging piece 4. One end of the plugging piece 4 provided with the second through hole 402 is inserted into one end of the stepped hole on the positioning block 3, which is far away from the assembling rod 201. And under the action of the elastic force of the elastic rope, the blocking part 4 clamping cap 401 is propped against the side part of the positioning block 3. The plugging piece 4 is inserted into the positioning piece, so that the elastic rope is convenient to disassemble and is replaced in the later equipment maintenance process.

In some embodiments of the present invention, as shown in fig. 2, the positioning identification device further includes a positioning identification board 5, the positioning identification board 5 is a triangular board, and the lateral portion is provided with a rectangular identification area 501, the rectangular identification area 501 is located on a side of the positioning identification board 5.

In the above embodiment, the positioning signboard 5 can be used as an image control point in aerial surveying and mapping. Wherein location signboard 5 is the regular triangle of length of side 20cm and adopts the ya keli material to make, and the one side of location signboard 5 is black, and the another side is white, and wherein the both sides of location signboard 5 all are equipped with rectangle identification area 501, and the long limit of rectangle identification area 501 is located the collinear with one side of location signboard 5. The rectangular mark area 501 on the black side is white, and the rectangular mark area 501 on the white side is black. When the device is used on dark ground, the white side faces upwards, the triangle vertex angle corresponding to the long edge of the black rectangular block serves as an indicating end, the point points to a point to be measured in the area to be measured through the vertex angle, and the coordinate of the point to be measured is known. The indication end can be conveniently observed through color comparison between the rectangular identification area 501 and the triangular plate, and the indication end is positioned at the vertex of the triangle and is more accurate when pointing to a point to be measured. When the floor is used on light-colored ground, the black surface faces upwards, and the working principle is the same as that described above, which is not described herein again. After the unmanned aerial vehicle takes an aerial photograph and measures, after the point to be measured, which is pointed by the signboard 5, is identified on the photo, the coordinate of each pixel point on the photo can be calculated through the coordinate position of the point to be measured.

In some embodiments of the present invention, as shown in fig. 3, the positioning and marking device further includes a plurality of reflective plates 6, and the plurality of reflective plates 6 are sequentially hinged end to end.

In the above embodiment, the reflecting plate 6 is a square acrylic plate having a side length of 15 cm. One ends of the two square acrylic plates are hinged with each other, so that the two square acrylic plates can be folded relatively. When the laser range finder is used, the two reflecting plates 6 can be unfolded at a certain angle and vertically placed at a point to be measured, and one reflecting plate 6 is arranged facing the laser range finder at the original measuring point, so that the function of the laser reflecting plate 6 is achieved. The process that the laser range finder is needed to be held by one person and the reflector is held by one person in the surveying and mapping work is omitted. Only one person is needed to operate the whole process. After the survey and drawing is accomplished or in the transportation, can accomodate after it is folding, reduce and occupy the volume. When the aerial photography measurement is carried out on non-horizontal ground such as a slope, the plane of the photosensitive chip of the aircraft camera is not parallel to the plane of the slope, the imaging may have geometric distortion, and an actual distance sample among four ground control points needs to be taken to carry out geometric correction on an imaging photo. Two independent calibration boards 1 can be additionally arranged on the peripheral ground of the measurement area, the connection line of the two independent calibration boards 1 and the two calibration boards 1 connected to the connecting rod 2 is quadrilateral, the distance between the calibration points on the four calibration boards 1 can be measured through the reflecting plate 6 in cooperation with a laser range finder at the moment, the distance is used as a geometric correction parameter, the photo shot by aerial photography is converted into an orthographic image, and the distance between points to be measured is calculated by a scale proportion conversion method.

In some embodiments of the present invention, as shown in fig. 3, any two adjacent reflection plates 6 are hinged by a soft glue hinge 601.

In the above embodiment, the length of the soft glue hinge 601 is the same as the side length of the reflection plate 6, wherein the two rotating ends of the soft glue hinge 601 are respectively bonded to one end of the two reflection plates 6, so that the connection is firmer. Compared with other hinges, the soft rubber hinge 601 has lighter weight and is convenient for people to carry during field survey.

To sum up, the embodiment of the utility model provides a location identification system, it is through placing connecting rod 2 horizontally in ground, and two setting elements are installed in 2 both ends of connecting rod horizontally to the lateral part that makes the setting element is towards the top, when taking photo by plane and measuring, after down taking the photo from the sky, more observes on the photo easily, obtains more accurate measurement reference effect. Two setting elements levels set up and just deviate from one side of above-mentioned connecting rod 2 and be equipped with a plurality of contrast areas to when carrying out the measurement of taking photo by plane, surveying personnel can carry out clearer discernment to the setting element through a plurality of contrast areas on the setting element. A plurality of above-mentioned contrast areas intersect in same index point, after carrying out the aerial photography measurement, the position of two index points on the definite photograph that can understand is convenient for obtain the distance between the pixel that two index points are located on the photograph to can more accurate treat the regional reference of inclining, thereby calculate and obtain accurate regional actual size that awaits measuring.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a location identification system, its characterized in that, includes connecting rod and two setting elements, two the setting element respectively horizontally install in the connecting rod both ends, two setting elements deviate from one side of connecting rod is equipped with a plurality of contrast districts, and is a plurality of the contrast district intersects in same calibration point.

2. The positioning and marking system as claimed in claim 1, wherein a plurality of positioning regions are disposed on a side of the positioning member adjacent to the connecting rod, the plurality of positioning regions intersect at a same positioning point, and the positioning point is correspondingly matched with the calibration point.

3. A positioning and marking system as claimed in claim 1, wherein any one of said positioning members is removably connected to said connecting rod.

4. A positioning and marking system as claimed in claim 3, wherein any one of said positioning members comprises a positioning block and a calibration plate, said positioning block is connected to said end of said connecting rod, said plurality of said comparison areas are disposed on one side of said calibration plate, said positioning block is provided with a protrusion, said calibration plate is provided with a through hole corresponding to said protrusion, said through hole is located at said calibration point.

5. The positioning and marking system according to claim 1, wherein the connecting rod comprises a plurality of assembling rods, the assembling rods are sequentially sleeved end to end, and the two positioning members are correspondingly connected with the two assembling rods at the end to end.

6. The positioning and marking system according to claim 5, further comprising a plurality of assembling rods and two blocking members, wherein the assembling rods are disposed between the two blocking members, the elastic cord is inserted into the assembling rods, and two ends of the elastic cord are correspondingly connected with the two blocking members.

7. A positioning and marking system as claimed in claim 6, wherein any one of said blocking members is inserted into said positioning member.

8. The positioning and marking system as claimed in claim 1, further comprising a positioning and marking board, wherein the positioning and marking board is a triangular board and has a rectangular marking area on the side, and the rectangular marking area is located on one side of the positioning and marking board.

9. A positioning and marking system as claimed in claim 1, further comprising a plurality of reflective panels, said reflective panels being hinged end to end.

10. The system of claim 9, wherein any two adjacent reflective plates are hinged by a soft hinge.