CN105954758A - Human-eye safety laser range finding machine for unmanned plane - Google Patents
Human-eye safety laser range finding machine for unmanned plane Download PDFInfo
- Publication number
- CN105954758A CN105954758A CN201610391588.7A CN201610391588A CN105954758A CN 105954758 A CN105954758 A CN 105954758A CN 201610391588 A CN201610391588 A CN 201610391588A CN 105954758 A CN105954758 A CN 105954758A
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- Prior art keywords
- shell
- threaded post
- laser
- human
- rectangular
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
Abstract
The invention discloses a human-eye safety laser range finding machine for an unmanned plane. The human-eye safety laser range finding machine includes a pedestal, a housing, a laser emitter and a laser receiver, reinforcing ribs are arranged at the side surface of the housing; a rectangular opening is formed in the side surface of the housing; a rectangular cover is arranged in the housing, and can cover the rectangular opening; the rectangular cover is provided with a rotating shaft; a first threaded column is fixed on the rectangular cover; a second threaded column is fixed on the outer side of the housing; the human-eye safety laser range finding machine also includes a locking block; a through hole is formed in the locking block; the diameter of the through hole is equal to the external diameter of the first threaded column; the human-eye safety laser range finding machine also includes a nut; a thread slot is formed in the inner side of the nut; the top of the housing is provided with a connecting rod which is connected with the bottom of the unmanned plane; and when the human-eye safety laser range finding machine is arranged in the high-altitude, the internal air pressure is higher than the external air pressure and the internal air pressure promotes the rectangular cover to be pasted in the housing so as to enable an internal electronic element in the housing, such as a human-eye safety laser, to still work in the atmospheric pressure environment being identical to the ground while the performance of the internal electronic element is not reduced, so that the range finding accuracy of the airborne human-eye safety laser range finding machine can be improved.
Description
Technical field
The present invention relates to a kind of human gingival fibroblasts range finder, be specifically related to a kind of human gingival fibroblasts range finder for unmanned plane.
Background technology
Carry out, by laser, long history of finding range in military affairs, since the first ruby laser of nineteen sixty is invented, just pulled open the prelude of Study of Laser range finding.Tellurometer survey is compared in laser ranging more preferable directivity and higher range accuracy, and, the ranging of laser ranging is remote, capacity of resisting disturbance strong, good concealment, and these advantages make laser ranging be widely used.
Range finder using laser is the device carrying laser instrument, and range finder using laser in early days brings infringement to the eyes of user of service in war and in training, results even in user of service blind when of serious.Along with carrying out laser research work, laser causes the attention of scientists to the safety of user.The range finder using laser developing eye-safe becomes the development trend of dual-use field range finder using laser.During research human gingival fibroblasts range finder, it has been found that when wavelength is 1.5 ~ 1.8 μm, laser does not results in damage to human eye, i.e. human gingival fibroblasts range finder refers to be equipped with and produces the laser instrument that wavelength is 1.5 ~ 1.8 μm.Eye-safe laser is broadly divided into erbium glass laser, stimulated Raman scattering laser instrument and optical parameter oscillating laser three kinds.
Human gingival fibroblasts range finder be militarily broadly divided into hand-held, ground on-vehicle formula, to empty cannon formula, machine-carried type and the big class of carrier-borne formula five.Wherein, the development of unmanned plane makes machine-carried type human gingival fibroblasts range finder increasingly be favored by people.Along with the development of science and technology, the flying height of unmanned plane gradually steps up, and present military unmanned air vehicle flying height is up to 10 ~ 20Km.
But, owing to the air pressure in high-altitude is relatively low, cause traditional machine-carried type human gingival fibroblasts range finder to work in hypobaric environment, the service behaviour of the precision electronic elements such as its internal eye-safe laser will reduce, and cause the accuracy of range finding to decline.The structure of the most traditional human gingival fibroblasts range finder is the firmest, it is impossible to supports the pressure differential inside and outside human gingival fibroblasts range finder shell in the air at height and causes shell damaged, ultimately results in the damage of the eye-safe laser of inside.
Summary of the invention
The technical problem to be solved is the shortcoming for conventional on-board formula human gingival fibroblasts range finder, a kind of human gingival fibroblasts range finder for unmanned plane is provided, solves conventional on-board formula human gingival fibroblasts range finder and be unable to maintain that its internal pressure stability causes the precision electronic element performances such as the eye-safe laser inside it to reduce the problem even damaged.
nullThe present invention is achieved through the following technical solutions: a kind of human gingival fibroblasts range finder for unmanned plane，Including base，Shell it is provided with on base，Generating laser and laser pickoff it is provided with on the outside of shell，Generating laser and laser pickoff are positioned at same side，The axis of generating laser and laser pickoff is parallel to each other，Generating laser and laser pickoff all run through the side of shell and connection is positioned at the eye-safe laser of enclosure，It is provided with two reinforcements on four sides of shell，Reinforcement be shaped as isosceles right-angle prismatic post，Two orthogonal sides of reinforcement are separately fixed on shell and base，Connection enclosure and outside rectangular aperture it is provided with on the side of shell，This side is perpendicular to side, generating laser place，The rectangular cap being internally provided with covering rectangular aperture of shell，Rectangular cap is perpendicular on a limit of base be provided with rotating shaft，The first threaded post being perpendicular to rectangular cap it is fixed with in rectangular cap，The outside of shell is fixed with the second threaded post being perpendicular to shell，The external diameter of the first threaded post is equal to the external diameter of the second threaded post，Also include latch segment，Two identical through holes of diameter it are provided with on latch segment，The diameter of through hole is equal to the external diameter of the first threaded post，First threaded post、Second threaded post is configured to the position of latch segment，When rectangular cap is parallel to side, rectangular aperture place，First threaded post is parallel to each other with the axis of the second threaded post and is positioned in same level，Two through holes that first threaded post and the second threaded post are each passed through on latch segment，Also include nut，The thread groove that the screw thread with the first threaded post and the second threaded post matches it is provided with inside nut，The top of shell is provided with the connecting rod connected bottom unmanned plane.In prior art, traditional machine-carried type human gingival fibroblasts range finder cannot keep the air pressure constant of inside in the air at height, owing to the high-altitude air pressure of 10 ~ 20Km is relatively low, the service behaviour causing the precision electronic elements such as the eye-safe laser within human gingival fibroblasts range finder, photodetector and signal processor reduces, and the range accuracy ultimately causing range finder declines；Further, since the structure of traditional human gingival fibroblasts range finder is the firmest, it is easily caused shell in the air due to the pressure reduction inside and outside shell at height damaged, the final electronic component damaging enclosure.In order to solve the problems referred to above, the invention provides a kind of human gingival fibroblasts range finder for unmanned aerial vehicle onboard, this device portion in the enclosure is provided with eye-safe laser, eye-safe laser sends optical signal by generating laser, and receive optical signal by laser pickoff, the optical signal that laser pickoff is received by photodetector afterwards is converted to the signal of telecommunication, deliver to the distance calculating between this device and measuring distance of target in signal processor, above-mentioned range measurement principle and corresponding electronic component after being amplified by the signal of telecommunication by signal amplifier again and be prior art.The side of this crust of the device has rectangular aperture, and portion is provided with rectangular cap in the enclosure, the length and width of rectangular cap is respectively greater than the length and width of rectangular aperture, and the limit that rectangular cap is vertical with base is connected rotating shaft, and rotating shaft is also disposed at the inside of shell.By rotating shaft, rectangular cap can be pushed open to the inside of shell, it is allowed to internal electronic component is replaced and keeps in repair by operator, when rectangular cap is closed, owing to its size covers rectangular aperture, so can the inner space of closure.Being provided with the first threaded post in rectangular cap, the outside of shell is provided with the second threaded post, and the first threaded post is identical with the second threaded post external diameter, and the length of the first threaded post adds the wall thickness of shell equal to the length of the second threaded post.After changing and having keeped in repair the electronic component that this device is internal, rectangular cap is used to seal rectangular aperture, now, the axis of the first threaded post and the second threaded post is parallel to each other and is positioned at same level, on latch segment two through holes are made to align respectively the first threaded post and the second threaded post afterwards, latch segment is pushed away to shell then along the first threaded post and the second threaded post, latch segment is affixed on shell, along the second threaded post fastening nut, latch segment is fixed on shell, tightens the nut in the first threaded post afterwards.Pass through said structure, after the precision electronic element changing and safeguarding enclosure, from the outside of shell, rectangular cap can be closed and fix, reach the closing of internal volume, when this device is positioned at the high-altitude of 10 ~ 20Km, owing to the air pressure of enclosure is higher than outside air pressure, internal air pressure promotes rectangular cap to be attached to the inside of shell, further enhance sealing effectiveness, the electronic component such as eye-safe laser making enclosure still works under the atmospheric pressure environment identical with ground, it is not result in its hydraulic performance decline, improve the range accuracy of airborne human gingival fibroblasts range finder.Additionally; when this device is in the low pressure in 10 ~ 20Km high-altitude; owing to there is pressure differential inside and outside shell; shell is extruded by its internal high-pressure gas; the reinforcement being arranged on outer side improves the firmness degree of this crust of the device; make shell will not produce deformation because of the extruding of internal high-pressure gas even to damage, protect the electronic component of inside further.
Further, the edge along described rectangular cap is provided with sealing gasket.Sealing gasket can allow rectangular cap more tight with enclosure laminating, improves the sealing effectiveness of device inner space, even if being positioned at high aerial, the gas within device also will not diffuse to outside atmosphere from rectangular aperture.
Further, the object lens of generating laser and laser pickoff are coated with antifog film.When the temperature of surrounding changes, water smoke may be formed on the object lens of generating laser and laser pickoff, interference range accuracy, the object lens of generating laser and laser pickoff plate one layer of hydrophilic antifog film and can avoid this situation, antifog film can be selected for the metal-oxide of titanium oxide etc, when the contact angle of liquid with objective lens surface is less than 7 °, anti-fog effect can be produced.
Further, the first threaded post is divided into two parts, and the part near rectangular cap is not provided with screw thread, and diameter is equal to the wall thickness of shell more than the external diameter of another part, the thickness near the part of rectangular cap.First threaded post is arranged to big compared with the first threaded post remainder external diameter near the diameter of a part for rectangular cap, this part i.e. becomes block, the thickness of this stopper portions is set equal to the thickness of shell, make latch segment when locking rectangular cap, latch segment can be parallel to rectangular cap, without making the nut loosening in the first threaded post because of causing latch segment to tilt when tightening the nut in the second threaded post, locking effect thus can be improved further.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, by the present invention in that rectangular cap covers rectangular aperture, after the precision electronic element changing and safeguarding enclosure, from outside, rectangular cap can be closed and fix, reach the closing of internal volume, when this device is positioned at the high-altitude of 10 ~ 20Km, owing to the air pressure of enclosure is higher than outside air pressure, internal air pressure promotes rectangular cap to be attached to the inside of shell, further enhance sealing effectiveness, the electronic component such as eye-safe laser making enclosure still works under the atmospheric pressure environment identical with ground, it is not result in its hydraulic performance decline, improve the range accuracy of airborne human gingival fibroblasts range finder；
2, the present invention is arranged on the reinforcement of outer side and improves the firmness degree of this crust of the device; when this device is in the low pressure in 10 ~ 20Km high-altitude; shell will not produce deformation because of the extruding of internal high-pressure gas and even damage, and protects the electronic component of inside further；
3, the present invention is coated with titanium oxide antifog film on the object lens of generating laser and laser pickoff, when the temperature of surrounding changes, water smoke may be formed on the object lens of generating laser and laser pickoff, interference range accuracy, the object lens of generating laser and laser pickoff plate one layer of hydrophilic antifog film and can avoid this situation, improve the range accuracy of human gingival fibroblasts range finder.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram.
The parts title of labelling and correspondence in accompanying drawing:
1-base, 2-reinforcement, 3-shell, 4-connecting rod, 5-latch segment, 6-rectangular cap, 7-rotating shaft, 8-generating laser, 9-laser pickoff.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, not as a limitation of the invention.
Embodiment
nullAs shown in Figure 1，The present invention is a kind of human gingival fibroblasts range finder for unmanned plane，Including base 1，Shell 3 it is provided with on base 1，Generating laser 8 and laser pickoff 9 it is provided with on the outside of shell 3，Generating laser 8 and laser pickoff 9 are positioned at same side，The axis of generating laser 8 and laser pickoff 9 is parallel to each other，Generating laser 8 and laser pickoff 9 all run through the side of shell 3 and connection is positioned at the eye-safe laser within shell 3，It is provided with two reinforcements 2 on four sides of shell 3，Reinforcement 2 be shaped as isosceles right-angle prismatic post，Two orthogonal sides of reinforcement 2 are separately fixed on shell 3 and base 1，The rectangular aperture that connection shell 3 is internal with outside it is provided with on the side of shell 3，This side is perpendicular to side, generating laser 8 place，The rectangular cap 6 being internally provided with covering rectangular aperture of shell 3，Rectangular cap 6 is perpendicular on a limit of base 1 be provided with rotating shaft 7，The first threaded post being perpendicular to rectangular cap 6 it is fixed with in rectangular cap 6，The outside of shell 3 is fixed with the second threaded post being perpendicular to shell 3，The external diameter of the first threaded post is equal to the external diameter of the second threaded post，Also include latch segment 5，Two identical through holes of diameter it are provided with on latch segment 5，The diameter of through hole is equal to the external diameter of the first threaded post，First threaded post、Second threaded post is configured to the position of latch segment 5，When rectangular cap 6 is parallel to side, rectangular aperture place，First threaded post is parallel to each other with the axis of the second threaded post and is positioned in same level，Two through holes that first threaded post and the second threaded post are each passed through on latch segment 5，Also include nut，The thread groove that the screw thread with the first threaded post and the second threaded post matches it is provided with inside described nut，The top of shell 3 is provided with the connecting rod 4 connected bottom unmanned plane.The edge of rectangular cap 6 is provided with sealing gasket.It is coated with antifog film on the object lens of generating laser 8 and laser pickoff 9.First threaded post is divided into two parts, and the part near rectangular cap 6 is not provided with screw thread, and diameter is equal to the wall thickness of shell 3 more than the external diameter of another part, the thickness near the part of rectangular cap 6.nullAfter repairing and having changed the electronic component such as eye-safe laser within shell 3，Shut rectangular cap 6，By two through holes on latch segment 5 through the second threaded post on shell 3 and the first threaded post in rectangular cap 6，Latch segment 5 part is attached on shell 3，Another part is attached to the first threaded post on the block of rectangular cap 6，Latch segment 5 is parallel to rectangular cap 6，Tighten the nut in the first threaded post and the second threaded post afterwards，Realize the closing to this device inner space，By connecting rod 4, this device is fixed on the bottom of unmanned plane，During unmanned plane during flying，This device produces optical signal by the eye-safe laser within shell 3，Optical signal is sent by generating laser 8，Optical signal is received again by laser pickoff 9，The optical signal that laser pickoff 9 receives is converted to the signal of telecommunication by photodetector afterwards，The distance calculating between this device and measuring distance of target in signal processor is delivered to by signal amplifier after being amplified by the signal of telecommunication again.Ensure that when the height of 10 ~ 20Km is aerial by the structure of this device, precision electronic element within shell 3 can work in the air pressure environment identical with ground, ensure that service behaviour, enhance range accuracy, meanwhile, reinforcement 2 can be effectively prevented shell 3 and produces deformation because of the extruding of internal high-pressure gas and even damage.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (4)
- null1. the human gingival fibroblasts range finder for unmanned plane，Including base (1)，Shell (3) it is provided with on described base (1)，Generating laser (8) and laser pickoff (9) it is provided with on the outside of described shell (3)，Described generating laser (8) and laser pickoff (9) are positioned at same side，The axis of generating laser (8) and laser pickoff (9) is parallel to each other，Generating laser (8) and laser pickoff (9) all run through the side of shell (3) and connection is positioned at the eye-safe laser that shell (3) is internal，It is characterized in that，Two reinforcements (2) it are provided with on four sides of shell (3)，Described reinforcement (2) be shaped as isosceles right-angle prismatic post，Two orthogonal sides of reinforcement (2) are separately fixed on shell (3) and base (1)，The rectangular aperture that connection shell (3) is internal with outside it is provided with on the side of shell (3)，This side is perpendicular to generating laser (8) side, place，The rectangular cap (6) being internally provided with covering rectangular aperture of shell (3)，Described rectangular cap (6) is perpendicular on a limit of base (1) be provided with rotating shaft (7)，The first threaded post being perpendicular to rectangular cap (6) it is fixed with in rectangular cap (6)，The outside of shell (3) is fixed with the second threaded post being perpendicular to shell (3)，The external diameter of the first threaded post is equal to the external diameter of the second threaded post，Also include latch segment (5)，Two identical through holes of diameter it are provided with on described latch segment (5)，The diameter of described through hole is equal to the external diameter of the first threaded post，First threaded post、Second threaded post is configured to the position of latch segment (5)，When rectangular cap (6) is parallel to side, rectangular aperture place，First threaded post is parallel to each other with the axis of the second threaded post and is positioned in same level，First threaded post and the second threaded post are each passed through two through holes on latch segment (5)，Also include nut，The thread groove that the screw thread with the first threaded post and the second threaded post matches it is provided with inside described nut，The top of shell (3) is provided with the connecting rod (4) connected bottom unmanned plane.
- A kind of human gingival fibroblasts range finder for unmanned plane the most according to claim 1, it is characterised in that the edge along described rectangular cap (6) is provided with sealing gasket.
- A kind of human gingival fibroblasts range finder for unmanned plane the most according to claim 1, it is characterised in that be coated with antifog film on the object lens of described generating laser (8) and laser pickoff (9).
- A kind of human gingival fibroblasts range finder for unmanned plane the most according to claim 1, it is characterized in that, described first threaded post is divided into two parts, part near rectangular cap (6) is not provided with screw thread, and diameter is equal to the wall thickness of shell (3) more than the external diameter of another part, the thickness near the part of rectangular cap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391588.7A CN105954758A (en) | 2016-06-06 | 2016-06-06 | Human-eye safety laser range finding machine for unmanned plane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391588.7A CN105954758A (en) | 2016-06-06 | 2016-06-06 | Human-eye safety laser range finding machine for unmanned plane |
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| CN105954758A true CN105954758A (en) | 2016-09-21 |
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| CN201610391588.7A Pending CN105954758A (en) | 2016-06-06 | 2016-06-06 | Human-eye safety laser range finding machine for unmanned plane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680903A (en) * | 2018-04-10 | 2018-10-19 | 成都信息工程大学 | A kind of High Accuracy Radar |
| CN110832347A (en) * | 2017-09-27 | 2020-02-21 | 苹果公司 | Focal zone optical element for high performance optical scanner |
| CN113625294A (en) * | 2021-08-06 | 2021-11-09 | 凡光光电科技(绍兴)有限公司 | Miniature laser rangefinder suitable for unmanned aerial vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832347A (en) * | 2017-09-27 | 2020-02-21 | 苹果公司 | Focal zone optical element for high performance optical scanner |
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| CN113625294A (en) * | 2021-08-06 | 2021-11-09 | 凡光光电科技(绍兴)有限公司 | Miniature laser rangefinder suitable for unmanned aerial vehicle |
| CN113625294B (en) * | 2021-08-06 | 2023-09-12 | 凡光光电科技(绍兴)有限公司 | Miniature laser rangefinder suitable for unmanned aerial vehicle |
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Application publication date: 20160921 |