CN219162362U

CN219162362U - Laser receiving objective lens of air detection base station

Info

Publication number: CN219162362U
Application number: CN202223332571.4U
Authority: CN
Inventors: 马勃; 周升志; 王义华
Original assignee: Wuxi Xike Photoelectric Technology Co ltd
Current assignee: Wuxi Xike Photoelectric Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-09
Anticipated expiration: 2032-12-13

Abstract

The utility model provides an air detection base station laser receiving objective lens which comprises an objective lens main body and a laser receiving mechanism. This air detection base station laser receives objective, when receiving light, at first, need be through double cemented lens with light refraction to the objective main part inside, then the anti-reflection line that the preceding clamping ring inner wall was seted up can effectively avoid the diffuse reflection of light, the interference of stray light has been avoided, through the meniscus lens with light dispersion, can increase and withdraw echo light beam, through the setting of light filter, effectively filter miscellaneous light beam, only allow the light signal of specific wave band to pass through, thereby reach when using, a structure is simple, reduce the cost of laser receives objective, and do benefit to the installation and dismantle, when needing regular maintenance, the dismantlement of maintainer of being convenient for, save time, through the setting of screw thread after the maintenance is accomplished, do not need to carry out complicated and long-time regulation to focusing light spot, reduce adjustment time, improve the effect of maintenance efficiency.

Description

Laser receiving objective lens of air detection base station

Technical Field

The utility model relates to the technical field of air detection, in particular to a laser receiving objective lens of an air detection base station.

Background

Because the penetrability of laser is strong and reflectivity is good, in the air detection field, can use optical system to detect the particulate matter in the atmosphere generally, laser is launched into the atmosphere, meet the particulate matter and then reflect, need use the receiving objective to receive the analysis to the light that reflects this moment, thereby realize collecting the parameter of the particulate matter in the atmosphere, laser receiving objective cost that uses at present is comparatively high, and be in the same place with other parts assembly connection of laser radar, when needing periodic maintenance, be inconvenient for maintainer's dismantlement and installation, consuming time and effort, and need carrying out accurate regulation to focusing facula after the maintenance is accomplished, the regulation is for a long time, maintenance efficiency is low, therefore, especially, need air detection basic station laser receiving objective.

However, the existing laser receiving objective lens is high in manufacturing cost, is assembled and connected with other parts of the laser radar, is inconvenient for maintenance personnel to detach and install when periodic maintenance is needed, consumes time and labor, and needs to precisely adjust the focusing light spot after maintenance is completed, and is long in adjustment time and low in maintenance efficiency.

Disclosure of Invention

The utility model aims to provide an air detection base station laser receiving objective lens, which solves the problems that the existing laser receiving objective lens provided in the background art is high in manufacturing cost, is assembled and connected with other parts of a laser radar, is inconvenient for maintenance personnel to detach and install when regular maintenance is needed, consumes time and labor, needs to precisely adjust a focusing light spot after maintenance is completed, and is long in adjustment time and low in maintenance efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air detection basic station laser receiving objective, includes objective main part and laser receiving mechanism, objective main part outside surface is equipped with the anti-skidding circle, objective main part left end outside surface is provided with the screw thread, the inside laser receiving mechanism that is provided with of objective main part, laser receiving mechanism includes preceding clamping ring, anti-reflection line, doublet lens, screw thread clamping ring, meniscus lens, stopper, back sleeve, light filter and back clamping ring, objective main part right side is provided with preceding clamping ring, anti-reflection line has been seted up to preceding clamping ring inner wall, preceding clamping ring inboard is provided with doublet lens.

Preferably, the objective body is welded with the anti-slip ring, and the width dimension of the anti-slip ring is smaller than that of the objective body.

Preferably, the front pressing ring is in threaded connection with the objective main body, and the outer diameter of the front pressing ring is matched with the inner diameter of the objective main body in size.

Preferably, the threaded press ring is in threaded connection with the objective main body, and the outer diameter of the threaded press ring is matched with the inner diameter of the objective main body in size.

Preferably, the limiting block is welded with the objective main body, and the limiting block is symmetrically arranged relative to the central axis of the objective main body.

Preferably, the optical filter is connected with the rear sleeve through a clamping groove, and the optical filter is tightly attached to the rear sleeve.

Preferably, the rear sleeve is in threaded connection with the rear pressing ring, and the inner diameter of the rear sleeve is matched with the outer diameter of the rear pressing ring.

Compared with the prior art, the utility model has the beneficial effects that: this air detection basic station laser receives objective, when using, through preceding clamping ring in the laser receiving mechanism, anti-reflection line, double bond lens, the screw thread clamping ring, meniscus lens, the stopper, back sleeve, the setting of light filter and back clamping ring, place the meniscus lens in the objective main part inside, and support in the stopper right side, then rotatory entering objective main part inside with the screw thread clamping ring, and fix the meniscus lens firmly, then put into screw thread clamping ring right side with double bond lens, be threaded connection through preceding clamping ring and objective main part right side port, and fix the double bond lens firmly, then the light filter is placed in the back sleeve inside, and through back clamping ring and back sleeve threaded connection, with the firm fixed of light filter, then back sleeve and objective main part left side port threaded connection, through the setting of screw thread, can precess the objective main part on the laser radar flat board, can guarantee accurate adjustment longitudinal distance and make focusing spot be located the photosensitive face of detector, when receiving light, at first, refract the objective main part inside with light through the double bond lens, the anti-reflection line that the inner wall of front clamping ring set up can effectively avoid the diffuse reflection of light to mix the light, it is disturbed by light, install the scattered light through the back clamping ring, the special time is reduced, the time is required to detach the light beam is reduced, and the maintenance time is reduced, the cost is reduced, and the required to be reduced, the system is long-time is easy to be removed, and the maintenance is required to be carried out, the system is convenient for the maintenance, and is convenient for the maintenance, the system is convenient for detach, and is convenient for take and can take and install, and take the special time, and take care time.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a laser receiving objective lens of an air detection base station;

FIG. 2 is a schematic diagram of the left side structure of the laser receiving objective lens of the air detection base station of the present utility model;

FIG. 3 is a schematic view of the components of the laser receiving mechanism of the present utility model;

fig. 4 is a schematic cross-sectional view of a laser receiving mechanism according to the present utility model.

Reference numerals in the drawings: 1. an objective main body; 2. an anti-slip ring; 3. a thread; 4. a laser receiving mechanism; 401. a front pressing ring; 402. anti-reflection lines; 403. a double cemented lens; 404. a threaded compression ring; 405. a meniscus lens; 406. a limiting block; 407. a rear sleeve; 408. a light filter; 409. and (5) a rear pressing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an air detection basic station laser receiving objective, including objective main part 1 and laser receiving mechanism 4, objective main part 1 outside surface is equipped with anti-skidding circle 2, objective main part 1 left end outside surface is provided with screw thread 3, objective main part 1 inside is provided with laser receiving mechanism 4, laser receiving mechanism 4 includes preceding clamping ring 401, anti-reflection line 402, double-cemented lens 403, screw thread clamping ring 404, meniscus lens 405, stopper 406, back sleeve 407, light filter 408 and back clamping ring 409, objective main part 1 right side is provided with preceding clamping ring 401, anti-reflection line 402 has been seted up to preceding clamping ring 401 inner wall, preceding clamping ring 401 inboard is provided with double-cemented lens 403.

Further, be the welding between objective main part 1 and the anti-skidding circle 2, anti-skidding circle 2 width dimension is less than objective main part 1, through such setting, can guarantee that the staff avoids the hand to slide when installing or dismantling, and is more laborsaving, and the practicality is strong.

Further, the front pressing ring 401 is in threaded connection with the objective main body 1, the outer diameter of the front pressing ring 401 is matched with the inner diameter of the objective main body 1 in size, and through the arrangement, workers can conveniently assemble and disassemble the double-cemented lens 403, and maintenance efficiency is high.

Further, the threaded press ring 404 is in threaded connection with the objective main body 1, and the outer diameter of the threaded press ring 404 is matched with the inner diameter of the objective main body 1 in size, so that the installation and the disassembly of the meniscus lens 405 by workers can be facilitated, and the maintenance is facilitated.

Further, the stopper 406 is welded to the objective body 1, and the stopper 406 is symmetrically disposed about the central axis of the objective body 1, so that the meniscus lens 405 can be limited and fixed stably.

Further, the optical filter 408 is connected with the rear sleeve 407 through a clamping groove, the optical filter 408 is tightly attached to the rear sleeve 407, and through the arrangement, the impurity light beams can be effectively filtered, only the light signals with specific wave bands can be allowed to pass through, and the practicability is high.

Further, the rear sleeve 407 is in threaded connection with the rear pressing ring 409, the inner diameter of the rear sleeve 407 is matched with the outer diameter of the rear pressing ring 409, and through the arrangement, workers can conveniently detach and install the rear sleeve 407, and maintenance of the optical filter 408 is facilitated.

Working principle: in the use, the first step is to put the meniscus lens 405 into the main body 1 of the objective and support the right side of the limiting block 406 through the arrangement of the front pressing ring 401, the anti-reflection pattern 402, the double-cemented lens 403, the threaded pressing ring 404, the meniscus lens 405, the limiting block 406, the rear sleeve 407, the optical filter 408 and the rear pressing ring 409 in the laser receiving mechanism 4, the second step is to rotate the threaded pressing ring 404 into the main body 1 of the objective and firmly fix the meniscus lens 405, the third step is to put the double-cemented lens 403 into the right side of the threaded pressing ring 404, the right side port of the main body 1 of the objective is in threaded connection through the front pressing ring 401 and firmly fix the double-cemented lens 403, the fourth step is to put the optical filter 408 into the rear sleeve 407 and firmly fix the optical filter 408 through the threaded connection of the rear pressing ring 409 and the rear sleeve 407, the fifth step is to screw the rear sleeve 407 with the left side port of the main body 1 of the objective, through the arrangement of the screw thread 3, the objective lens main body 1 can be screwed on a laser radar flat plate, the accurate adjustment of the longitudinal distance can be ensured to ensure that a focusing light spot is positioned on a photosensitive surface of a detector, when light is received in the sixth step, the light is refracted into the objective lens main body 1 through the double-cemented lens 403, the diffuse reflection of the light can be effectively avoided by the anti-reflection lines 402 arranged on the inner wall of the front pressing ring 401, the interference of stray light is avoided, the light is dispersed through the meniscus lens 405 in the seventh step, the recovery echo light beam is increased, the optical filter 408 is arranged in the eighth step, the stray light beam is effectively filtered, and only the light signals of a specific wave band are allowed to pass through, so that the internal structure is simple, the manufacturing cost of the laser receiving objective lens is reduced, the installation and the disassembly are facilitated, the disassembly and the installation of maintenance personnel are facilitated when the regular maintenance is needed, the time is saved, the arrangement of the screw thread 3 is realized after the maintenance is finished, the laser receiving objective lens of the air detection base station is used for adjusting the focusing light spots in a complex and long time, so that the adjusting time is shortened, the maintenance efficiency is improved, and the use process of the laser receiving objective lens of the air detection base station is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Air detection basic station laser receiving objective, including objective main part (1) and laser receiving mechanism (4), its characterized in that: the anti-slip ring (2) is arranged on the outer side surface of the objective main body (1), threads (3) are arranged on the outer side surface of the left end of the objective main body (1), a laser receiving mechanism (4) is arranged inside the objective main body (1), the laser receiving mechanism (4) comprises a front pressing ring (401), anti-reflection patterns (402), a double-gluing lens (403), a threaded pressing ring (404), a meniscus lens (405), a limiting block (406), a rear sleeve (407), an optical filter (408) and a rear pressing ring (409), the front pressing ring (401) is arranged on the right side of the objective main body (1), the anti-reflection patterns (402) are formed in the inner wall of the front pressing ring (401), and the double-gluing lens (403) is arranged on the inner side of the front pressing ring (401).

2. The laser receiving objective lens of the air detection base station according to claim 1, wherein welding is performed between the objective lens main body (1) and the anti-slip ring (2), and the width dimension of the anti-slip ring (2) is smaller than that of the objective lens main body (1).

3. The laser receiving objective lens of the air detection base station according to claim 1, wherein the front pressing ring (401) is in threaded connection with the objective lens main body (1), and the outer diameter of the front pressing ring (401) is matched with the inner diameter of the objective lens main body (1).

4. The laser receiving objective lens of the air detection base station according to claim 1, wherein the threaded press ring (404) is in threaded connection with the objective lens main body (1), and the outer diameter of the threaded press ring (404) is matched with the inner diameter of the objective lens main body (1).

5. The air detection base station laser receiving objective lens according to claim 1, wherein welding is performed between the limiting block (406) and the objective lens main body (1), and the limiting block (406) is symmetrically arranged with respect to a central axis of the objective lens main body (1).

6. The air detection base station laser receiving objective according to claim 1, wherein the optical filter (408) is connected with the rear sleeve (407) by a clamping groove, and the optical filter (408) is tightly attached to the rear sleeve (407).

7. The air detection base station laser receiving objective according to claim 1, wherein the rear sleeve (407) is in threaded connection with the rear pressing ring (409), and the inner diameter of the rear sleeve (407) is matched with the outer diameter of the rear pressing ring (409).