CN212515004U - Sensitivity adjusting and measuring device suitable for laser detector - Google Patents

Sensitivity adjusting and measuring device suitable for laser detector Download PDF

Info

Publication number
CN212515004U
CN212515004U CN202020947001.8U CN202020947001U CN212515004U CN 212515004 U CN212515004 U CN 212515004U CN 202020947001 U CN202020947001 U CN 202020947001U CN 212515004 U CN212515004 U CN 212515004U
Authority
CN
China
Prior art keywords
laser
assembly
detector
component
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020947001.8U
Other languages
Chinese (zh)
Inventor
董涛
罗潇
潘翔远
李思聪
吉玉新
李康
刘双才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luoyang Dunyang Technology Development Co ltd
Original Assignee
Luoyang Dunyang Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Luoyang Dunyang Technology Development Co ltd filed Critical Luoyang Dunyang Technology Development Co ltd
Priority to CN202020947001.8U priority Critical patent/CN212515004U/en
Application granted granted Critical
Publication of CN212515004U publication Critical patent/CN212515004U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Optical Radar Systems And Details Thereof (AREA)

Abstract

A sensitivity adjusting and detecting device suitable for a laser detector comprises a shell component, a laser component, an emission antenna component, an attenuation sheet support component and a laser driving and controlling circuit component; the laser driving and controlling circuit assembly, the laser assembly, the emission antenna assembly and the attenuation sheet support assembly are all arranged in the shell assembly, the attenuation sheet support assembly, the emission antenna assembly and the laser assembly are sequentially connected from front to back, and the laser driving and controlling circuit assembly is arranged on one side of the laser assembly and connected with the laser assembly; a side plate for fixing the detector is arranged on one side surface of the shell component close to the attenuation sheet support component, the attenuation sheet support component is provided with an attenuation sheet, and a light path passes through the attenuation sheet and then irradiates a well fixed detector receiving surface through a light through hole in the side plate; the utility model discloses eliminate the difficulty that laser detector adjusted and surveyed along with the whole machine, adjust and survey laser detector's sensitivity alone, be applicable to multiple laser detector.

Description

Sensitivity adjusting and measuring device suitable for laser detector
Technical Field
The utility model belongs to the technical field of laser rangefinder, concretely relates to sensitivity is transferred and is surveyed device suitable for laser detector.
Background
The laser rangefinder is an instrument for accurately measuring the distance to a target by using laser, i.e., laser rangefinder. The laser range finder has the advantages of simple operation, high measurement precision, long working distance, strong anti-interference capability and the like, and is widely applied to military affairs and civil affairs. Laser rangefinders typically include a laser emitting system and a laser receiving system. When the laser range finder works, firstly, a laser emitting system is used for emitting a laser beam to a measured target, and scattered laser echoes are received by a laser receiving system, so that the distance between the measured target and an observation point is determined by using measurement parameters such as light speed, time difference and the like. The detector sensitivity is a conversion constant between the detector input physical quantity and the detector output physical quantity, and is generally defined as: the ratio of the total laser output to the total corresponding detector input. The output physical quantity is generally an optical or electrical signal. In fact, the existing processed laser detector is difficult to satisfy the position relationship between the receiving surface and the receiving light path, and the sensitivity of the laser detector which is not subjected to adjustment and measurement may be far lower than expected, so that the detector cannot receive echo signals, and the distance measurement capability of the laser distance measuring machine is affected. Therefore, the adjustment and measurement of the sensitivity of the laser detector are important in the field of laser ranging, and in order to ensure the position relationship between the receiving light path and the transmitting light path of the laser ranging machine, the receiving antenna and the transmitting antenna are integrally processed, and it is extremely difficult to adjust the sensitivity of the laser detector along with the whole machine. Therefore, there is a need for a sensitivity tuning device suitable for use with laser detectors that can provide tuning for the detector of a laser rangefinder.
SUMMERY OF THE UTILITY MODEL
In view of this, for solving above-mentioned prior art not enough, the utility model aims at providing a sensitivity is transferred and is surveyed device suitable for laser detector, small, light in weight, conveniently carry, fixed simple, eliminate the difficulty that laser detector adjusted and surveyed along with the integer, transfer and survey laser detector's sensitivity alone. Meanwhile, the detector is convenient to install and adjust, the problem that the detector is too difficult to adjust randomly is solved, and the laser detector is suitable for various laser detectors.
In order to achieve the above object, the utility model adopts the following technical scheme:
a sensitivity adjusting and detecting device suitable for a laser detector comprises a shell component, a laser component, an emission antenna component, an attenuation sheet support component and a laser driving and controlling circuit component; the laser driving and controlling circuit assembly, the laser assembly, the emission antenna assembly and the attenuation sheet support assembly are all arranged in the shell assembly, the attenuation sheet support assembly, the emission antenna assembly and the laser assembly are sequentially connected from front to back, and the laser driving and controlling circuit assembly is arranged on one side of the laser assembly and connected with the laser assembly; a side plate for fixing the detector is arranged on one side surface of the shell component close to the attenuation sheet support component, the attenuation sheet is arranged on the attenuation sheet support component, and after passing through the attenuation sheet, a light path irradiates a fixed detector receiving surface through a light through hole in the side plate;
the laser assembly comprises a gluing lens group, a laser diode and a laser shell, wherein the gluing lens group and the laser diode are both arranged in the laser shell, and the laser diode is connected with the laser driving and controlling circuit assembly through a connecting wire; the transmitting antenna assembly comprises a gluing lens group and a transmitting antenna shell, wherein the gluing lens group is arranged in the transmitting antenna shell.
Furthermore, the shape of the shell assembly is rectangular, and a threaded hole used for being connected with the outside is formed in the bottom of the shell assembly.
Further, the radiation antenna assembly is connected with the laser assembly through a screw.
Further, the radiation antenna assembly is connected with the attenuation piece bracket assembly through screws.
Further, the radiation antenna assembly is connected with the shell assembly through screws.
Furthermore, the laser driving and controlling circuit assembly is connected with the laser assembly through a lead so as to control the laser diode to emit laser; the laser driving and controlling circuit assembly is connected with an external switch of the shell assembly through a lead, and then a working signal is controlled.
Furthermore, a light through hole is formed in the side plate, and the side plate and the light through hole are matched with the detector.
The utility model has the advantages that:
the utility model discloses a sensitivity is transferred and is surveyed device suitable for laser detector, small, light in weight, conveniently carry, fixed simple, eliminate the difficulty that laser detector was transferred and is surveyed at random, transfer and survey laser detector's sensitivity alone. Meanwhile, the detector is convenient to install and adjust, the problem that the detector is too difficult to adjust randomly is solved, and the method is suitable for various laser detectors;
the utility model discloses in, this sensitivity is transferred and is surveyed device at specific during operation, laser instrument drive and control circuit subassembly 6's drive circuit drive laser light source be laser diode 10 with certain frequency launch stable, specific power, the parallel light of specific wavelength, the parallel light is received by the product that awaits measuring after the decay piece decay of decay piece bracket component 5. The product to be measured converts the received optical signal into an electrical signal for measurement, and the minimum optical power (light source optical power/attenuation multiple) that can be measured can be regarded as the receiving sensitivity of the product to be measured. In this embodiment, the product to be measured is a detector at the through hole of the side plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic block diagram of the components of the laser assembly;
FIG. 3 is a schematic block diagram of the components of the radiating antenna assembly;
FIG. 4 is a schematic structural view of the present invention;
fig. 5 is a top cross-sectional view of the present invention;
fig. 6 is a front sectional view of the present invention;
the labels in the figure are: 1. the laser device comprises a gluing mirror group, 2, a shell component, 3, a laser component, 4, an emission antenna component, 5, an attenuation sheet support component, 6, a laser driving and controlling circuit component, 7, a side plate, 8, an emission antenna shell, 9, a laser component, 10, a laser diode, 11 and a light through hole.
Detailed Description
The following provides specific embodiments, which will further clearly, completely and specifically explain the technical solutions of the present invention. The present embodiment is the best embodiment based on the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
A sensitivity adjusting and detecting device suitable for a laser detector comprises a shell component 2, a laser component 3, an emission antenna component 4, an attenuation sheet bracket component 5 and a laser driving and controlling circuit component 6; the laser driving and control circuit assembly 6, the laser assembly 3, the emission antenna assembly 4 and the attenuation sheet support assembly 5 are all arranged in the shell assembly 2, the attenuation sheet support assembly 5, the emission antenna assembly 4 and the laser assembly 3 are sequentially connected from front to back, and the laser driving and control circuit assembly 6 is arranged on one side of the laser assembly 3 and connected with the laser assembly 3; a side plate 7 for fixing a detector is arranged on one side surface of the shell component 2 close to the attenuation sheet support component 5, the attenuation sheet support component 5 is provided with an attenuation sheet, attenuation sheets with different specifications and models can be placed on the attenuation sheet support component 5 according to requirements, and after a light path passes through the attenuation sheet, the light path irradiates a well fixed detector receiving surface through a light through hole 11 in the side plate 7; in the utility model, different side plates 7 can be processed according to detectors with different models;
the laser component 3 comprises a cemented lens group 1, a laser diode 10 and a laser shell 9, wherein the cemented lens group 1 and the laser diode 10 are both arranged in the laser shell 9, and the laser diode 10 is connected with the laser driving and controlling circuit component 6 through a connecting wire; the transmitting antenna assembly 8 comprises a cemented lens group 1 and a transmitting antenna shell 8, wherein the cemented lens group 1 is arranged in the transmitting antenna shell 8. Further, in the present embodiment, the cemented lens group 1 of the radiation antenna assembly 8 is a radiation objective lens.
Furthermore, a light through hole 11 is formed in the side plate 7, and the side plate 7 and the light through hole 11 are matched with the detector.
Furthermore, a threaded hole is formed in the side plate 7, and the detector is fixed through the threaded hole.
Further, the shape of the shell assembly 2 is rectangular, and a threaded hole for connecting with the outside is formed in the bottom of the shell assembly 2, so that the shell assembly is conveniently connected with external equipment.
Further, the radiation antenna assembly 4 is connected with the laser assembly 3 through screws.
Further, the radiation antenna assembly 4 is connected with the attenuation sheet bracket assembly 5 through screws.
Further, the radiation antenna assembly 4 is connected with the housing assembly 2 by screws.
Further, the laser driving and controlling circuit assembly 6 is connected with the laser assembly 3 through a lead, so as to control the laser diode 10 to emit laser; the laser driving and controlling circuit assembly 6 is connected with an external switch of the shell assembly 2 through a lead, and further controls working signals. The laser driving and controlling circuit assembly 6 is internally provided with a driving circuit and a controlling circuit for driving and controlling the laser assembly 3.
Further, the utility model discloses a theory of operation does, and laser instrument drive and control circuit subassembly 6's drive circuit drive laser light source is laser diode 10 with the certain frequency launch stable, specific power, the parallel light of specific wavelength promptly, and the parallel light is received by the product to be measured after the decay piece decay of decay piece bracket component 5. The product to be measured converts the received optical signal into an electrical signal for measurement, and the minimum optical power (light source optical power/attenuation multiple) that can be measured can be regarded as the receiving sensitivity of the product to be measured. In this embodiment, the product to be detected is a detector at the light-passing hole 11 of the side plate 7.
To sum up, the utility model discloses a sensitivity is transferred and is surveyed device suitable for laser detector, small, light in weight, conveniently carry, fixed simple eliminate the difficulty that laser detector adjusted and surveyed along with the whole machine, transfer and survey laser detector's sensitivity alone. Meanwhile, the detector is convenient to install and adjust, the problem that the detector is too difficult to adjust randomly is solved, and the laser detector is suitable for various laser detectors.
The essential features, the basic principle and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be modified in various ways according to the actual situation without departing from the spirit and scope of the present invention, and these modifications and improvements are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a sensitivity is transferred and is surveyed device suitable for laser detector which characterized in that: the laser attenuator comprises a shell component (2), a laser component (3), an emission antenna component (4), an attenuation sheet bracket component (5) and a laser driving and controlling circuit component (6); the laser driving and controlling circuit assembly (6), the laser assembly (3), the emission antenna assembly (4) and the attenuation sheet support assembly (5) are all arranged in the shell assembly (2), the attenuation sheet support assembly (5), the emission antenna assembly (4) and the laser assembly (3) are sequentially connected from front to back, and the laser driving and controlling circuit assembly (6) is arranged on one side of the laser assembly (3) and connected with the laser assembly (3); a side plate (7) for fixing the detector is arranged on one side surface of the shell component (2) close to the attenuation sheet support component (5), the attenuation sheet support component (5) is provided with an attenuation sheet, and a light path passes through the attenuation sheet and then irradiates a well fixed detector receiving surface through a light through hole (11) in the side plate (7);
the laser assembly (3) comprises a gluing mirror group (1), a laser diode (10) and a laser shell (9), the gluing mirror group (1) and the laser diode (10) are both arranged in the laser shell (9), and the laser diode (10) is connected with the laser driving and controlling circuit assembly (6) through a connecting wire; the transmitting antenna assembly (4) comprises a cemented lens group (1) and a transmitting antenna shell (8), wherein the cemented lens group (1) is arranged in the transmitting antenna shell (8).
2. The sensitivity adjusting device for the laser detector as claimed in claim 1, wherein: the appearance of casing subassembly (2) is the rectangle, and the bottom of casing subassembly (2) is equipped with the screw hole that is used for linking to each other with the outside.
3. The sensitivity adjusting device for the laser detector as claimed in claim 1, wherein: the radiation antenna assembly (4) is connected with the laser assembly (3) through screws.
4. The sensitivity adjusting device for the laser detector as claimed in claim 1, wherein: the radiation antenna component (4) is connected with the attenuation piece bracket component (5) through screws.
5. The sensitivity adjusting device for the laser detector as claimed in claim 1, wherein: the radiation antenna assembly (4) is connected with the shell assembly (2) through screws.
6. The sensitivity adjusting device for the laser detector as claimed in claim 1, wherein: the laser driving and controlling circuit assembly (6) is connected with the laser assembly (3) through a lead, and then controls the laser diode (10) to emit laser; the laser driving and controlling circuit assembly (6) is connected with an external switch of the shell assembly (2) through a lead, and then a working signal is controlled.
7. The sensitivity adjusting device for the laser detector as claimed in claim 1, wherein: a light through hole (11) is formed in the side plate (7), and the side plate (7) and the light through hole (11) are matched with the detector.
CN202020947001.8U 2020-05-29 2020-05-29 Sensitivity adjusting and measuring device suitable for laser detector Active CN212515004U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020947001.8U CN212515004U (en) 2020-05-29 2020-05-29 Sensitivity adjusting and measuring device suitable for laser detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020947001.8U CN212515004U (en) 2020-05-29 2020-05-29 Sensitivity adjusting and measuring device suitable for laser detector

Publications (1)

Publication Number Publication Date
CN212515004U true CN212515004U (en) 2021-02-09

Family

ID=74391830

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020947001.8U Active CN212515004U (en) 2020-05-29 2020-05-29 Sensitivity adjusting and measuring device suitable for laser detector

Country Status (1)

Country Link
CN (1) CN212515004U (en)

Similar Documents

Publication Publication Date Title
CN110308456A (en) It is a kind of for improving the bias adjustment device and laser radar system of detection range
CN107907885B (en) Underwater target detection device based on single photon counting method
WO1996039612A1 (en) Light beam range finder
CN109164465B (en) Coaxial optical system for measuring cloud height based on micropulse laser radar
AU2020103665A4 (en) Low-altitude Light Small Area Array LiDAR Measuring System
CA2716980C (en) Light-integrating rangefinding device and method
CN106371101A (en) Intelligent range finding and obstacle avoidance device
CN102636151A (en) Laser range finder and range finding method thereof
CN205809293U (en) Unmanned plane, unmanned vehicle and walking robot infrared distance measurement and fault avoidnig device
CN109387824A (en) A kind of laser range finder transmitting-receiving plain shaft parallelism measurement method
CN212515004U (en) Sensitivity adjusting and measuring device suitable for laser detector
CN110333500B (en) Multi-beam laser radar
CN111443341A (en) Sensitivity adjusting and measuring device suitable for laser detector
CN214795204U (en) Laser measuring system
CN202649466U (en) Laser range finder
CN212515019U (en) Distance measuring system suitable for small laser illuminator
CN114814880A (en) Laser radar detection parameter adjustment control method and device
CN212675175U (en) Laser coherent speed measurement system
CN209946386U (en) Laser diode range finder suitable for extreme conditions
CN110346779B (en) Measuring method for time channel multiplexing of multi-beam laser radar
CN110109132A (en) A kind of light feeds back the laser detection system of main wave signal
CN208795840U (en) A kind of laser ranging system
CN111381243A (en) Miniature laser rangefinder suitable for unmanned aerial vehicle
RU173991U1 (en) High Range Laser Rangefinder
CN217385830U (en) Miniature laser ranging module

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant