A portable laser radar device

Abstract

The present invention discloses a portable laser radar device, including an upper shell, a control storage module, a mounting substrate, a scanner, a lower shell, an inertial navigation A, an inertial navigation B, an external connector, a camera, a camera mounting frame, a lens locking ring, and an optical filter; the upper shell and the lower shell are fixedly connected by the mounting substrate, and form an upper cavity and a lower cavity; the control storage module, the inertial navigation A, and the inertial navigation B are arranged in the upper cavity and fixedly connected to the mounting substrate; the scanner is arranged in the lower cavity and fixedly connected to the mounting substrate; the external connector is installed on the front side of the upper shell, the camera mounting frame is installed on the front side of the lower shell, the camera and the lens locking ring are arranged on the camera mounting frame, and the optical filter is arranged at the bottom of the lower shell. The present invention realizes miniaturization and overall aesthetics while meeting the laser radar function, and has the advantages of convenient installation and maintenance, simple interface, high maneuverability, high structural rigidity and strong impact resistance.

Description

Technical Field

[0001] The present invention relates to the technical field of laser radar ranging, and in particular to a portable laser radar device. Background Art

[0002] The LiDAR system is an active observation system that integrates laser ranging, global positioning system, inertial navigation system technology and high-resolution digital imaging technology to quickly obtain three-dimensional high-spatial-resolution information of the ground and ground targets. In the past decade, airborne LiDAR technology has been widely accepted in developed countries around the world as a method for accurately and quickly obtaining three-dimensional information on the surface of the earth. It has broad development prospects and application needs in many fields such as terrain monitoring, environmental monitoring, and three-dimensional test modeling (Ackeman F, et al, Airborne laser scanning-present status and future expectation. ISPRS JPRS, 1999 (54): 64-67).

[0003] In actual projects, laser radar, especially the line inspection laser radar used for high-voltage transmission line inspection, has very high requirements for the device's mobility, portability and impact resistance. The main method of achieving this is to install and fix it using relatively complex methods. There is no relatively light and small structure to complete the entire function, and the installation and disassembly steps are cumbersome. Summary of the invention

[0004] The technical problem to be solved by the present invention is: to provide a portable laser radar device in view of the above-mentioned problems.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A portable laser radar device comprises an upper housing, a control storage module, a mounting substrate, a scanner, a lower housing, an inertial navigation A, an inertial navigation B, an external connector, a camera, a camera mounting bracket, a lens locking ring, and a filter;

[0007] The upper shell and the lower shell are fixedly connected through the mounting substrate to form an upper cavity and a lower cavity; the control storage module, the inertial navigation A, and the inertial navigation B are arranged in the upper cavity and fixedly connected to the mounting substrate; the scanner is arranged in the lower cavity and fixedly connected to the mounting substrate;

[0008] The external joint is installed on the front side of the upper shell, the camera mounting frame is installed on the front side of the lower shell, the camera and the lens locking ring are arranged on the camera mounting frame, and the filter is arranged on the bottom of the lower shell.

[0009] In one embodiment, the upper shell, the mounting substrate and the lower shell are fixedly connected by bolts; the control storage module, the inertial navigation A and the inertial navigation B are arranged in the upper cavity and fixedly connected to the mounting substrate by bolts; the scanner is arranged in the lower cavity and fixedly connected to the mounting substrate by bolts.

[0010] In one embodiment, reinforcing ribs are provided at the bolt connection.

[0011] In one embodiment, a double-layer boss edge is used at the connection between the upper housing and the mounting substrate, and at the connection between the mounting substrate and the lower housing.

[0012] In one embodiment, an operation hole is provided on the mounting substrate.

[0013] In one embodiment, a lens hole is provided on the camera mounting frame, the camera is arranged above the camera mounting frame, and the lens of the camera is detachably mounted with a lens locking ring below the camera mounting frame through the lens hole.

[0014] In one embodiment, the camera is electrically connected to the scanner in the lower housing via a spring pin adapter.

[0015] In one embodiment, a plurality of heat dissipation holes are arranged on the top of the upper housing.

[0016] In one embodiment, a threaded hole is provided on the top of the upper shell for connecting the portable laser radar device to a universal drone gimbal.

[0017] In one embodiment, the lower housing has a notch for installing a filter; the light path output by the scanner is output through the filter; and a stepped sealing strip is provided at the connection between the filter and the notch.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0019] The present invention realizes a portable laser radar device, which achieves miniaturization and overall aesthetics while satisfying the laser radar function through structural optimization design of the upper shell, the mounting substrate and the lower shell, and has the advantages of easy installation and maintenance, simple interface, high maneuverability, high structural rigidity and strong impact resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the portable laser radar device of the present invention.

[0022] Figure 2 The present invention is a schematic diagram of the connection relationship between the upper housing, the mounting substrate, and the lower housing in the portable laser radar device of the present invention.

[0023] Figure 3 It is a schematic structural diagram of the mounting substrate of the present invention.

[0024] Figure 4 It is a schematic structural diagram of the edge of the double-layer boss of the present invention.

[0025] Figure 5 It is a schematic diagram of assembly on a mounting substrate of the present invention.

[0026] Figure 6 It is a schematic diagram of the camera installation structure of the present invention.

[0027] Figure numerals: 1-upper housing, 2-control storage module, 3-mounting substrate, 4-scanner, 5-lower housing, 6-inertial navigation A, 7-inertial navigation B, 8-external connector, 9-camera, 91-lens, 10-camera mounting bracket, 11-lens locking ring, 12-filter, 100-operating hole, 200-double-layer boss edge, 300-slot. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention, that is, the embodiments described are only part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present invention.

[0029] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.

[0030] Example 1

[0031] like Figure 1As shown, a portable laser radar device includes an upper housing 1, a control storage module 2, a mounting substrate 3, a scanner 4, a lower housing 5, an inertial navigation A6, an inertial navigation B7, an external connector 8, a camera 9, a camera mounting bracket 10, a lens locking ring 11, and a filter 12;

[0032] The upper shell 1 and the lower shell 5 are fixedly connected through the mounting substrate 3 to form an upper cavity and a lower cavity; the control storage module 2, the inertial navigation A6, and the inertial navigation B7 are arranged in the upper cavity and fixedly connected to the mounting substrate 3; the scanner 4 is arranged in the lower cavity and fixedly connected to the mounting substrate 3;

[0033] The external connector 8 is installed on the front side of the upper housing 1 , the camera mounting frame 10 is installed on the front side of the lower housing 5 , the camera 9 and the lens locking ring 11 are arranged on the camera mounting frame 10 , and the filter 12 is arranged at the bottom of the lower housing 5 .

[0034] From the above, it can be seen that the present embodiment realizes a portable laser radar device. Through the structural optimization design of the upper shell 1, the mounting substrate 3 and the lower shell 5, miniaturization and overall aesthetics are achieved while satisfying the laser radar function, and it has the advantages of convenient installation and maintenance, simple interface, high maneuverability, high structural rigidity and strong impact resistance. For example: external connectors 8 such as the commonly used power supply POWER, switch SWITCH, network port NET, antenna GNSS and other connectors are all installed on the same side, which is convenient for loading and unloading, storage and maintenance. In addition, inertial navigation A6 and inertial navigation B7 refer to two types of inertial navigation that can be installed in the portable laser radar device of this embodiment, which can be any inertial navigation on the market that meets the installation requirements.

[0035] Example 2

[0036] like Figure 2 As shown, the upper housing 1, the mounting substrate 3 and the lower housing 5 are fixedly connected by bolts; the control storage module 2, the inertial navigation A6 and the inertial navigation B7 are arranged in the upper cavity and fixedly connected to the mounting substrate 3 by bolts; the scanner 4 is arranged in the lower cavity and fixedly connected to the mounting substrate 3 by bolts;

[0037] In this embodiment, the main structure of the portable laser radar device is fixedly connected by bolts, which is easy to install, disassemble and maintain.

[0038] Example 3

[0039] like Figure 3 As shown, based on Example 2, reinforcing ribs are provided at the bolt connection to enhance the overall rigidity and improve the overall impact resistance.

[0040] Example 4

[0041] like Figure 4As shown, the connection between the upper shell 1 and the mounting substrate 3, as well as the connection between the mounting substrate 3 and the lower shell 5 use a double-layer boss edge 200, which ensures the internal sealing and rainproof performance of the portable laser radar device, while making the overall electromagnetic compatibility performance better and the shape not easy to deform.

[0042] Example 5

[0043] like Figure 5 As shown, the mounting substrate 3 is provided with an operating hole 100 for easy installation and removal.

[0044] Example 6

[0045] like Figure 6 As shown, a lens hole 91 is provided on the camera mounting frame 10, the camera 9 is arranged above the camera mounting frame 10, and the lens of the camera 10 is detachably installed with the lens locking ring 11 below the camera mounting frame 10 through the lens hole 91; this installation method allows the camera lens 91 to face the ground, and at the same time allows the camera to be easily installed and disassembled.

[0046] Example 7

[0047] The camera 10 is electrically connected to the scanner 4 in the lower housing 5 through a spring pin adapter. It can be understood that the corresponding signal connectors on the camera 10 and the scanner 4 are implemented in the form of spring pin converters, and the male head and the wood of the spring pin converter are respectively provided on the camera 10 and the scanner 4, and the lower housing 5 has a through hole for fixing the spring pin converter. Generally, 6 spring pin converters can be used to achieve this.

[0048] Example 8

[0049] A plurality of heat dissipation holes are provided on the top of the upper shell 1 to dissipate heat from the equipment inside the portable laser radar.

[0050] Example 9

[0051] The top of the upper housing 1 is provided with 4 threaded holes for connecting the portable laser radar device to a universal drone gimbal. A universal drone gimbal usually has 4 bolts to carry corresponding equipment. The portable laser radar of this embodiment is provided with 4 threaded holes, which can be connected to the bottom of various universal drone gimbals on the market, greatly improving the mobility of the portable laser radar for ranging.

[0052] Example 10

[0053] The lower housing 5 has a slot 300 for installing the filter 12; the optical path output by the scanner 4 is output through the filter 12; a stepped sealing strip is provided at the connection between the filter 1 and the slot 300. With this arrangement, the lens of the camera 9 and the optical path output by the scanner 4 face the same ground, and the stepped sealing strip can prevent dust and liquid from entering the housing.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable laser radar device, characterized in that: It comprises an upper housing (1), a control storage module (2), a mounting base plate (3), a scanner (4), a lower housing (5), an inertial navigation system A (6), an inertial navigation system B (7), an external connector (8), a camera (9), a camera mounting frame (10), a lens locking ring (11), and a filter (12); The upper housing (1) and the lower housing (5) are fixedly connected via a mounting substrate (3) to form an upper cavity and a lower cavity; the control storage module (2), the inertial navigation A (6), and the inertial navigation B (7) are arranged in the upper cavity and fixedly connected to the mounting substrate (3); the scanner (4) is arranged in the lower cavity and fixedly connected to the mounting substrate (3); The external connector (8) is mounted on the front side of the upper housing (1), the camera mounting frame (10) is mounted on the front side of the lower housing (5), the camera (9) and the lens locking ring (11) are arranged on the camera mounting frame (10), and the filter (12) is arranged on the bottom of the lower housing (5); The upper housing (1), the mounting substrate (3) and the lower housing (5) are fixedly connected by bolts; the control storage module (2), the inertial navigation A (6) and the inertial navigation B (7) are arranged in the upper cavity and fixedly connected to the mounting substrate (3) by bolts; the scanner (4) is arranged in the lower cavity and fixedly connected to the mounting substrate (3) by bolts; reinforcing ribs are provided at the bolt connection; The connection between the upper housing (1) and the mounting substrate (3), and the connection between the mounting substrate (3) and the lower housing (5) use double-layer boss edges; an operating hole is provided on the mounting substrate (3); The camera mounting frame (10) is provided with a lens hole, the camera (9) is arranged above the camera mounting frame (10), and the lens of the camera (9) is detachably mounted with a lens locking ring (11) below the camera mounting frame (10) through the lens hole; The camera (9) is electrically connected to the scanner (4) in the lower housing (5) via a spring-pin adapter; The top of the upper housing (1) is provided with a plurality of heat dissipation holes; The top of the upper housing (1) is provided with four threaded holes for connecting the portable laser radar device to a universal drone gimbal; The lower housing (5) has a notch for mounting an optical filter (12); the optical path output by the scanner (4) is output through the optical filter (12); and a stepped sealing strip is provided at the connection between the optical filter (12) and the notch.

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