CN213182016U

CN213182016U - Area size measuring instrument based on rotary laser ranging

Info

Publication number: CN213182016U
Application number: CN202021678095.XU
Authority: CN
Inventors: 李强; 陈崚智
Original assignee: Chengdu Lingtuo Intelligent Technology Co ltd
Current assignee: Chengdu Lingtuo Intelligent Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-11
Anticipated expiration: 2030-08-13

Abstract

The embodiment of the application discloses area size measuring apparatu based on rotatory laser rangefinder. The device comprises an upper computer, a 360-degree laser ranging module and an attitude sensing module; the 360-degree laser ranging module and the attitude sensing module are respectively connected with the upper computer. The area size measuring instrument based on the rotary laser ranging can quickly establish an indoor map and generate practical data such as indoor graphs, areas, circumferences, side lengths, radians, arc lengths and the like and establish data documents through a point cloud matching mode of positioning and map establishment. During the use, can generate each wall length of side and total area data through artifical handheld indoor walking once of being surveyed, solved present measuring mode singleness, loaded down with trivial details, data generation and need not the not enough of manual calculation etc to people's production efficiency has been improved and the operation degree of difficulty has been reduced simultaneously. In addition, the global scanning mode is adopted, and the measurement accuracy can be limited within the accuracy range of the sensor.

Description

Area size measuring instrument based on rotary laser ranging

Technical Field

The utility model belongs to the technical field of the relevant technique of measuring instrument and specifically relates to an area size measurement appearance based on rotatory laser rangefinder is related to.

Background

With the development of economy and the progress of society, the intelligent mapping operation system becomes necessary and socially recognized. Various surveying and mapping equipment trend towards people's production and life, its directional development that possess characteristics such as operating efficiency height, precision height, data archive are fast, and intelligent surveying and mapping equipment is as important one in people's life and production not the exception yet. At present, the indoor area measuring equipment of a house mainly adopts measuring scales, single-point laser ranging and other measuring modes, and has the defects of low working efficiency, complex data recording, complex data operation and the like.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an area size measuring apparatu based on rotatory laser rangefinder.

The area size measuring instrument based on the rotary laser ranging can comprise an upper computer, a 360-degree laser ranging module and an attitude sensing module; the 360-degree laser ranging module and the attitude sensing module are respectively connected with the upper computer.

According to a preferred embodiment of the present invention, the area size measuring instrument based on the rotary laser ranging further comprises a mobile terminal; and the mobile terminal is in communication connection with the upper computer.

According to the utility model discloses a preferred embodiment, 360 laser rangefinder module through first data conversion module with the host computer is connected.

According to the utility model discloses a preferred embodiment, the gesture perception module through the second data conversion module with the host computer is connected.

According to the utility model discloses a preferred embodiment, 360 laser rangefinder module is 360 laser scanning range radar.

According to a preferred embodiment of the present invention, the attitude sensing module is an inertial measurement unit.

Compared with the prior art, the utility model discloses area size measurement appearance based on rotatory laser rangefinder has following beneficial effect:

the utility model discloses area size measurement appearance based on rotatory laser rangefinder adopts 360 laser rangefinder modules to scan wall laser point distance around, and the host computer carries out point cloud matching and filters according to the gesture data that gesture perception module gathered and fall the final cloud picture of point cloud of unusable data formation, and then plans to calculate final dimensional data.

Compared with the prior art, the utility model discloses area size measurement appearance based on rotatory laser rangefinder adopts rotatory laser rangefinder through the location with build the point cloud matching mode of picture, can establish indoor map and generate practical data such as indoor figure, area, girth, length of side, radian, arc length fast and establish data document. Thereby improving the production efficiency of people and reducing the operation difficulty. The utility model discloses area size measuring apparatu's operation mode accessible based on rotatory laser rangefinder is handheld once can generate each wall length of side and total area data in the indoor walking of quilt survey. The method solves the defects that the current measurement mode is single, the steps are complicated, the data generation needs manual calculation and the like. In addition, manual measurements require each side to be measured, which can cause cumulative errors. And the utility model discloses what area size measuring apparatu based on rotatory laser rangefinder adopted is the global scanning mode, and its measurement accuracy can be restricted within the precision range of sensor itself.

Additional features of the invention will be set forth in part in the description which follows. Additional features of the invention will be set forth in part in the description which follows and in part will be apparent to those having ordinary skill in the art upon examination of the following and the accompanying drawings or may be learned from the manufacture or operation of the embodiments. The features of the present disclosure may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,

fig. 1 is a schematic structural diagram of an area dimension measuring instrument based on rotary laser ranging according to some embodiments of the present invention.

List of reference numerals

100-upper computer

200-degree and 360-degree laser ranging module

300-attitude sensing module

400-mobile terminal

500-first data conversion module

600-second data conversion module

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of 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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of the present invention and in the accompanying drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like are referred to, the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, in the present disclosure, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

The embodiment discloses an area size measuring instrument based on rotary laser ranging. As shown in fig. 1, the area size measuring instrument based on rotary laser ranging may include an upper computer 100, a 360 ° laser ranging module 200, and an attitude sensing module 300.

Wherein, 360 laser rangefinder module 200 can adopt 360 laser scanning range radar. For example, in the present embodiment, the 360 ° laser ranging module 200 may employ an existing 360 ° laser ranging sensor device such as RPLIDAR a 3360 degree laser scanning ranging radar, dfrobotLiDAR C0602360 ° laser radar, and the like.

The attitude sensing module 300 may employ an Inertial Measurement Unit (IMU), among others. For example, in this embodiment, the attitude sensing module 300 may adopt an existing unmanned aerial vehicle Inertial Measurement Unit (IMU) which includes three single-axis accelerometers and three single-axis gyroscopes, where the accelerometers detect acceleration signals of the object in three independent axes of the carrier coordinate system, and the gyroscopes detect angular velocity signals of the carrier relative to the navigation coordinate system, and measure the angular velocity and acceleration of the object in three-dimensional space, and then calculate the attitude of the object.

The 360-degree laser ranging module 200 and the attitude sensing module 300 are respectively connected with the upper computer 100. Specifically, as shown in fig. 1, the 360 ° laser ranging module 200 may be connected to the upper computer 100 through a first data conversion module (TTL) 500. The posture sensing module 300 is connected to the upper computer 100 through a second data conversion module (TTL) 600.

The area size measuring instrument based on the rotary laser ranging of the embodiment mainly comprises the following working principles and processes:

the area size measuring instrument based on the rotary laser ranging of the embodiment mainly scans the laser point distance of the surrounding wall surface which is not lower than 10Hz through the 360-degree laser ranging module 200, performs point cloud images formed by point cloud matching through the upper computer 100, and plans to calculate the final size data. When the attitude sensing module 300 is used for solving the problem of error matching caused by the fact that the 360-degree laser ranging sensor cannot keep an absolute level due to a measuring means, the upper computer 100 can filter out unavailable data by the attitude sensing module 300 so as to ensure the accuracy of final data.

Therefore, the area size measuring instrument based on the rotary laser ranging in the embodiment can quickly establish an indoor map and generate practical data such as indoor graphs, areas, circumferences, side lengths, radians, arc lengths and the like and establish a data document by adopting a point cloud matching mode of positioning and mapping through the rotary laser ranging. Thereby improving the production efficiency of people and reducing the operation difficulty. The utility model discloses area size measuring apparatu's operation mode accessible based on rotatory laser rangefinder is handheld once can generate each wall length of side and total area data in the indoor walking of quilt survey. The method solves the defects that the current measurement mode is single, the steps are complicated, the data generation needs manual calculation and the like. In addition, manual measurements require each side to be measured, which can cause cumulative errors. And the utility model discloses what area size measuring apparatu based on rotatory laser rangefinder adopted is the global scanning mode, and its measurement accuracy can be restricted within the precision range of sensor itself.

Example 2

The embodiment discloses an area size measuring instrument based on rotary laser ranging. As shown in fig. 1, the area size measuring instrument based on rotary laser ranging may include an upper computer 100, a 360 ° laser ranging module 200, an attitude sensing module 300, and a mobile terminal 400.

The mobile terminal 400 is communicatively connected to the upper computer 100. Through this mobile terminal 400 and upper computer 100 communication connection, can carry out post data processing and report generation with the data transmission after upper computer 100 handles to the desktop end.

It should be noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

In addition, the above embodiments are exemplary, and those skilled in the art can devise various solutions in light of the disclosure, which are also within the scope of the disclosure and the protection scope of the present invention. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The area size measuring instrument based on the rotary laser ranging is characterized by comprising an upper computer (100), a 360-degree laser ranging module (200) and a posture sensing module (300);

the 360-degree laser ranging module (200) and the attitude sensing module (300) are respectively connected with the upper computer (100);

the area size measuring instrument based on the rotary laser ranging further comprises a mobile terminal (400); the mobile terminal (400) is in communication connection with the upper computer (100).

2. The area dimension measuring instrument based on the rotary laser ranging as claimed in claim 1, wherein the 360 ° laser ranging module (200) is connected with the upper computer (100) through a first data conversion module (500).

3. The area size measuring instrument based on the rotating laser ranging as claimed in claim 1, wherein the attitude sensing module (300) is connected with the upper computer (100) through a second data conversion module (600).

4. The area dimension measuring instrument based on rotary laser ranging according to one of claims 1 to 3, characterized in that the 360 ° laser ranging module (200) is a 360 ° laser scanning range radar.

5. The rotary laser ranging-based area dimension measuring instrument according to one of claims 1 to 3, characterized in that the attitude sensing module (300) is an inertial measurement unit.