CN217032492U

CN217032492U - Laser ranging GNSS device

Info

Publication number: CN217032492U
Application number: CN202122302272.5U
Authority: CN
Inventors: 唐长增; 冯一军; 潘正强; 张春宗; 梁雄乾; 梁绕; 黄鹰; 苏超桂; 廖华端; 盘贻峰; 钟昌海; 全昌文; 黄昕; 李成; 黄景金; 邓立争; 陈伟建; 陈雪芹; 黄宁; 周映彤
Original assignee: Guangxi Zhuang Autonomous Region Natural Resources Investigation And Monitoring Institute
Current assignee: Guangxi Zhuang Autonomous Region Natural Resources Investigation And Monitoring Institute
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-07-22
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a laser ranging GNSS device which comprises a shell, a satellite positioning module, an inertia measuring module, a laser ranging module and a handheld piece, wherein the satellite positioning module, the inertia measuring module and the laser ranging module are arranged in the shell, and the handheld piece is fixed on the side of the shell; satellite positioning module inertia measurement module with laser rangefinder module is range upon range of the setting just satellite positioning module inertia measurement module laser rangefinder module with the focus collineation of shell sets up, the hand-held piece with the side of shell links to each other. This application is through range upon range of setting and with the collinear satellite positioning module of the focus of shell, inertial measurement module and laser rangefinder module for the removal and the rotation process of laser rangefinder GNSS equipment are less to each module especially inertial measurement module's influence among the mapping process.

Description

Laser ranging GNSS device

Technical Field

The utility model relates to the technical field of surveying and mapping equipment, in particular to laser ranging GNSS equipment.

Background

With the continuous expansion of city scale and the continuous deepening of field surveying and mapping, the requirement for surveying and mapping precision is increased day by day. In a great deal of survey and drawing means, the surveying personnel is through handheld laser rangefinder GNSS equipment to going to the survey and drawing place to combine satellite positioning, inertial measurement, laser rangefinder to carry out the means of surveying and drawing comparatively commonly used, this kind of survey and drawing means can obtain higher survey and drawing precision under the complicated condition in survey and drawing district structure.

In this kind of surveying means, surveying personnel need to hold the laser ranging GNSS device and move the survey according to a certain track and fix the survey at some point locations to meet the requirements of inertial survey and laser ranging. Because the volume of the handheld laser ranging GNSS device is usually small, and the interference of human body action and environment is added, certain uncertainty still exists in the surveying and mapping process, and the surveying and mapping precision is influenced. Accordingly, it is desirable to provide a laser ranging GNSS device with low internal interference.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a laser ranging GNSS apparatus which is capable of overcoming at least in part the deficiencies in the prior art.

The utility model provides a laser ranging GNSS device, which comprises a shell, a satellite positioning module, an inertia measurement module, a laser ranging module and a handheld piece, wherein the satellite positioning module, the inertia measurement module and the laser ranging module are arranged in the shell, and the handheld piece is fixed on the side of the shell; the satellite positioning module inertia measurement module with laser rangefinder module range upon range of setting and respective focus are on same straight line, the handheld piece with the side of shell links to each other.

Preferably, two of the satellite positioning module, the inertia measurement module and the laser ranging module have centers of gravity which are vertically and symmetrically arranged with respect to the center of gravity of the hand piece, and the other center of gravity is arranged on the same horizontal plane as the center of gravity of the hand piece.

Preferably, the housing is configured to be an axisymmetric structure, and the centers of gravity of the satellite positioning module, the inertia measurement module, and the laser ranging module are all located on the symmetry axis of the housing.

Preferably, the satellite positioning module, the inertial measurement module and the laser ranging module are the same in size.

Preferably, the satellite positioning module, the inertial measurement module and the laser ranging module are all provided in a cylindrical shape.

Preferably, the system further comprises a central processing module, the satellite positioning module, the inertial measurement module and the laser ranging module are all connected with the central processing module, and the central processing module is arranged in a manner of being collinear with the centers of gravity of the satellite positioning module, the inertial measurement module, the laser ranging module and the shell.

Preferably, the centers of gravity of the central processing module, the satellite positioning module, the inertial measurement module and the laser ranging module are arranged in a pairwise symmetry manner in the vertical direction with respect to the center of gravity of the hand piece.

Preferably, the satellite positioning module, the inertial measurement module and the laser ranging module are arranged at equal intervals in a vertical direction.

Preferably, the satellite positioning module, the inertial measurement module and the laser ranging module are attached to each other.

Preferably, the satellite positioning module, the inertia measurement module and the laser ranging module which are attached to each other are stacked on the bottom wall of the inner side of the shell (1).

This application is through range upon range of setting and with the collinear satellite positioning module of the focus of shell, inertia measurement module and laser rangefinder module for the removal and the rotation process of surveying and mapping in-process laser rangefinder GNSS equipment are less to each module especially inertia measurement module's influence.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a laser ranging GNSS device provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of a laser ranging GNSS device in a vertical direction according to the present disclosure;

FIG. 3 is a cross-sectional view of another embodiment of a laser ranging GNSS device in a vertical direction according to the present application;

fig. 4 is a cross-sectional view of another embodiment of a laser ranging GNSS apparatus according to an embodiment of the present application in a vertical direction.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not to be construed as limiting the utility model. For convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

Fig. 1 is a schematic view of a laser ranging GNSS device provided in the embodiment of the present application, and fig. 2 is a schematic cross-sectional view of the laser ranging GNSS device provided in the embodiment of the present application along a vertical direction, where the Satellite positioning module 2 in the embodiment of the present application may be a GNSS (Global Navigation Satellite System) positioning module, or other functional modules capable of performing positioning through communication information between the ground and a Satellite, such as a beidou Satellite positioning module. The inertial measurement module 3 in the embodiment of the present application may be an integrated module including a gyroscope and an accelerometer, or may be an inertial measurement module having a simple structure including only a gravity accelerometer. The laser ranging module 4 in the embodiment of the present application mainly refers to a functional module that estimates a relative distance to a certain marker through laser emitting and incident times.

As shown in fig. 1 and fig. 2, the laser ranging GNSS device provided in the embodiment of the present application includes a housing 1, a satellite positioning module 2, an inertia measurement module 3, a laser ranging module 4, and a handheld piece 5, where the satellite positioning module 2, the inertia measurement module 3, and the laser ranging module 4 are disposed inside the housing 1, and the handheld piece 5 is fixed outside the housing 1; satellite positioning module 2, inertia measurement module 3 and the range finding module 4 range upon range of setting and satellite positioning module 2, inertia measurement module 3, the setting of the focus of laser range finding module 4 and shell 1 share a straight line a, and handheld piece 5 links to each other and is fixed in the side of shell 1 with the side of shell 1. Wherein, satellite positioning module 2, inertia measurement module 3 and laser rangefinder module 4, central processing module 6 including the following can be installed in the inside position that keeps relatively stable of shell 1 through bearing structure such as plastic support, also can be through the inside other forms of setting such as similar draw-in groove or trip that set up of shell 1 directly with 1 joint of shell, can keep relative fixed in shell 1 can.

By the satellite positioning module 2, the inertial measurement module 3 and the laser ranging module 4 which are arranged in a stacked manner and are collinear with the gravity center of the housing 1 as shown in fig. 2, the influence of the movement and rotation process of the laser ranging GNSS device on each module, especially the inertial measurement module 3, in the mapping process is small. The centers of gravity of the modules are arranged in a collinear manner, which means that the centers of gravity of the modules are positioned on the same straight line. Here, the satellite positioning module 2, the inertia measurement module 3, and the laser ranging module 4 may be arranged at equal intervals in the vertical direction, or may be stacked and attached to each other as shown in fig. 2, and the positions thereof may be preferably set on the bottom wall of the housing 1, so that the satellite positioning module 2, the inertia measurement module 3, and the laser ranging module 4 stacked and attached to each other can achieve a large mechanical strength.

As shown in fig. 2, the gravity centers of the modules and the gravity center of the housing 1 are located on a vertical straight line, so that when a surveying and mapping staff holds the laser ranging GNSS device through the hand piece 5 arranged on the side and performs operations such as turning and rotating, each part can be in a state of being balanced in stress, the stress in the laser ranging GNSS device is balanced as much as possible, and the influence of unbalanced stress on the inertia measurement module 3 can be reduced. Here, as a preferred implementation manner, the housing 1 may be configured to have an axisymmetric structure, and the centers of gravity of the satellite positioning module 2, the inertial measurement module 3, and the laser ranging module 4 are all located on the symmetry axis, so as to further increase the balance. The hand piece 5 may have a handle shape as shown in fig. 1 and 4, or may have other shapes such as a horizontal straight grip or a curved grip, which is easy to hold.

In a preferred embodiment, as shown in fig. 3, the centers of gravity of two of the satellite positioning module 2, the inertial measurement module 3, and the laser ranging module 4 are disposed symmetrically in the vertical direction with respect to the center of gravity of the hand piece 5, and the center of gravity of the other is disposed on a level b with the center of gravity of the hand piece 5. As shown in fig. 3, the two modules are the schematic diagram that the satellite positioning module 2 and the laser ranging module 4 are symmetrically arranged in the vertical direction relative to the center of gravity of the handheld piece 5, and the center of gravity of the inertial measurement module 3 and the center of gravity of the handheld piece 5 are on the same horizontal plane, where the two modules may also be symmetrically arranged with respect to the satellite positioning module 2, and the laser ranging module 4 is adjusted according to specific needs in other arrangement modes on the horizontal plane.

As shown in fig. 2, the satellite positioning module 2, the inertia measurement module 3, and the laser ranging module 4 may be configured to have the same size, such as a cylindrical shape or a rectangular parallelepiped shape, wherein the cylindrical shape is more favorable for increasing the balance during the rotation process.

As a preferred implementation manner, as shown in fig. 4, the laser ranging GNSS device provided in this embodiment of the present application further includes a central processing module 6, the satellite positioning module 2, the inertial measurement module 3, and the laser ranging module 4 are all connected to the central processing module 6, and the central processing module 6, the satellite positioning module 2, the inertial measurement module 3, the laser ranging module 4, and the center of gravity of the housing 1 are arranged in a collinear manner. Various implementation modes of the arrangement mode are shown in the above, and are not described herein again, and because the central processing module 6 is added, one of the arrangement modes capable of increasing the balance is shown in fig. 4, that is, the center of gravity of the central processing module 6, the satellite positioning module 2, the inertial measurement module 3 and the laser ranging module 4 is arranged in pairwise symmetry with respect to the horizontal plane b where the center of gravity of the hand-held piece 5 is located in the vertical direction, so that the stress balance performance of each component, particularly the inertial measurement module 3, can be greatly improved in the operation process of the whole laser GNSS ranging apparatus, particularly when rotation or inclination occurs.

This application is through range upon range of setting and with the focus collinear satellite positioning module 2 of shell 1, inertial measurement module 3 and laser rangefinder module 4 for the removal and the rotation process of survey and drawing in-process laser rangefinder GNSS equipment are less to each module especially inertial measurement module 3's influence.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the utility model herein disclosed is not limited to the particular combination of the features set forth above, but is also intended to cover other arrangements in which any combination of the features set forth above or equivalent features thereof can be combined without departing from the spirit of the utility model. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The laser ranging GNSS device is characterized by comprising a shell (1), a satellite positioning module (2), an inertia measuring module (3), a laser ranging module (4) and a handheld piece (5), wherein the satellite positioning module (2), the inertia measuring module (3) and the laser ranging module (4) are arranged in the shell (1), and the handheld piece (5) is fixed on the side of the shell (1);

satellite positioning module (2) inertia measurement module (3) with laser rangefinder module (4) range upon range of setting and respective focus with the focus of shell (1) is on same straight line, handheld piece (5) with the side of shell (1) links to each other.

2. The laser ranging GNSS device according to claim 1, characterized in that the centers of gravity of two of the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are arranged symmetrically in the vertical direction with respect to the center of gravity of the hand piece (5), the center of gravity of the other being arranged coplanar to the center of gravity of the hand piece (5).

3. The laser ranging GNSS device according to claim 1, characterized in that the housing (1) is arranged as an axisymmetric structure, and the centers of gravity of the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are all located on the axis of symmetry of the housing (1).

4. The laser ranging GNSS device according to claim 1, characterized in that the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are of the same size.

5. The laser ranging GNSS device according to claim 4 characterized in that the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are all provided in a cylindrical shape.

6. The laser ranging GNSS device according to claim 1, further comprising a central processing module (6), wherein the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are all connected to the central processing module (6), and wherein the central processing module (6) is arranged in line with the centers of gravity of the satellite positioning module (2), the inertial measurement module (3), the laser ranging module (4) and the housing (1).

7. The laser ranging GNSS device according to claim 6, characterized in that the centers of gravity of the central processing module (6), the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are arranged two by two symmetrically in the vertical direction with respect to the center of gravity of the handpiece (5).

8. The laser ranging GNSS device according to claim 1, characterized in that the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are arranged at equal intervals in the vertical direction.

9. The laser ranging GNSS device according to claim 1, characterized in that the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) are attached to each other.

10. The laser ranging GNSS device according to claim 1, wherein the satellite positioning module (2), the inertial measurement module (3) and the laser ranging module (4) attached to each other are stacked on a bottom wall inside the housing (1).