CN109520468A - Rangefinder - Google Patents
Rangefinder Download PDFInfo
- Publication number
- CN109520468A CN109520468A CN201811654774.0A CN201811654774A CN109520468A CN 109520468 A CN109520468 A CN 109520468A CN 201811654774 A CN201811654774 A CN 201811654774A CN 109520468 A CN109520468 A CN 109520468A
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- CN
- China
- Prior art keywords
- object lens
- eyepiece
- optical path
- laser
- rangefinder
- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/04—Adaptation of rangefinders for combination with telescopes or binoculars
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention discloses a kind of rangefinder, including shell, telescopic system is equipped in shell, laser transmitting system, laser receiver system and display system, telescopic system includes object lens and eyepiece, optical path of looking in the distance is formd between object lens and eyepiece, and it is successively arranged object lens spectroscope and eyepiece spectroscople between the two along optical path direction of looking in the distance, optical path of looking in the distance is formd between object lens and object lens spectroscope enters light section, and at least partly optical path of laser receiver system and enter light Duan Chonghe, optical path of looking in the distance is formd between eyepiece and eyepiece spectroscople goes out light section, the at least partly optical path of display system and light Duan Chonghe out.In technical solution provided by the invention, because at least partly optical path of laser receiver system and entering light Duan Chonghe, the at least partly optical path of display system and light Duan Chonghe out, to achieve the purpose that optimize the optical path of rangefinder, and, by setting object lens spectroscope and eyepiece spectroscople, can be to avoid influencing each other between different optical paths the problem of.
Description
Technical field
The present invention relates to rangefinder technical field, in particular to a kind of rangefinder.
Background technique
Existing rangefinder includes shell and the telescopic system being set in the housing, laser transmitting system, laser pick-off system
System and display system, because there are multiple optical paths in rangefinder easily leads to rangefinder if the integral layout of rangefinder is unreasonable
The problem of structure is complicated.
Summary of the invention
The main object of the present invention is to propose a kind of rangefinder, it is intended to optimize the light channel structure of existing rangefinder.
To achieve the above object, the present invention provides a kind of rangefinder, including shell, the shell is interior to be equipped with looking in the distance
System, laser transmitting system, laser receiver system and display system;
The telescopic system includes object lens and eyepiece, and optical path of looking in the distance, and edge are formd between the object lens and the eyepiece
The optical path direction of looking in the distance be successively arranged object lens spectroscope and eyepiece spectroscople between the two;
The object lens spectroscope forms between the object lens and the object lens spectroscope to decompose infrared ray and white light
The optical path of looking in the distance enters light section, and at least partly optical path of the laser receiver system and it is described enter light Duan Chonghe;
Transmitting light and white light of the eyepiece spectroscople to decompose the display system, the eyepiece and the eyepiece point
The optical path of looking in the distance is formd between light microscopic goes out light section, at least partly optical path of the display system and the light Duan Chong out
It closes.
Preferably, the optical axis of the object lens is in parallel with the optical axis of the eyepiece and is arranged in a staggered manner, and the telescopic system is also
Including entering the steering microscope group between light section and the light section out described in, the steering microscope group is penetrated will enter light section described in
White light out is diverted to the light section out.
Preferably, the steering microscope group includes the object lens reflecting mirror and ridge set gradually along the optical path direction of looking in the distance
Prism.
Preferably, the roof prism is 90 degree of roof prisms.
Preferably, the object lens and the object lens spectroscope are in and are oppositely arranged, and the object lens reflecting mirror is located at the two
Between, wherein the object lens spectroscope is arranged to that infrared ray is allowed to pass through, and prevents white light from passing through.
Preferably, the object lens spectroscope is between the laser receiver system and the object lens, the laser pick-off
System includes the double mirror set gradually along its optical path direction, receives mirror, receives reflecting mirror and laser pickoff;
The laser pickoff and the eyepiece are located at the same side of the object lens, and the optical axis of the laser pickoff with
The optical axis of the object lens is set in parallel;
Across the spectroscopical infrared ray of the object lens successively the first reflecting surface through the double mirror, the reception mirror
With the reception reflecting mirror, and the laser pickoff is injected.
Preferably, the eyepiece spectroscople is in and is oppositely arranged with the eyepiece, and is located at the eyepiece and the ridge rib
Between mirror, the eyepiece spectroscople is arranged to that white light is allowed to pass through, and prevents the transmitting light of the display system from passing through;
The display system includes the display screen opposite with the second reflecting surface of the double mirror, and the display screen
It is located at the same side of the eyepiece with the object lens.
Preferably, the optical axis of the optical axis of the display screen and the eyepiece is set in parallel;And/or
The display system further includes being set between the display screen and the double mirror along its optical path direction
First imaging lens and the second imaging lens between the double mirror and the eyepiece spectroscople, the display screen
Transmitting light successively through first imaging lens, the second reflecting surface of the double mirror, second imaging lens and described
Eyepiece spectroscople, and eyepiece described in directive.
Preferably, the laser transmitting system and the laser receiver system are located at the opposite two sides of the object lens;With/
Or,
The laser emitter of the laser transmitting system is between the object lens and the object lens spectroscope.
Preferably, the laser transmitting system includes the laser emitter set gradually along its optical path direction, emits instead
Light microscopic and transmitting mirror, and the optical axis of the optical axis of the laser emitter and the object lens is vertical setting.
In technical solution provided by the invention because at least partly optical path of the laser receiver system and it is described enter light section
It is overlapped, at least partly optical path of the display system and the light Duan Chonghe out can so reduce the optics of the rangefinder
The number of component setting, to achieve the purpose that the optical path for optimizing the rangefinder, also, by the way that the object lens spectroscope is arranged
With the eyepiece spectroscople, can be to avoid influencing each other between different optical paths the problem of.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of opticator in an embodiment of rangefinder provided by the invention.
Drawing reference numeral explanation:
Label | Title | Label | Title |
100 | Rangefinder | 22 | Emit reflective mirror |
1 | Telescopic system | 23 | Transmitting mirror |
11 | Object lens | 3 | Laser receiver system |
12 | Eyepiece | 31 | Double mirror |
13 | Object lens spectroscope | 32 | Receive mirror |
14 | Eyepiece spectroscople | 33 | Receive reflecting mirror |
15 | Roof prism | 34 | Laser pickoff |
16 | Object lens reflecting mirror | 4 | Display system |
17 | Protective glass | 41 | Display screen |
2 | Laser transmitting system | 42 | First imaging lens |
21 | Laser emitter | 43 | Second imaging lens |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that directionality instruction is only used for explaining if relating to directionality instruction in the embodiment of the present invention
Relative positional relationship, motion conditions under a certain particular pose between each component etc., if the particular pose changes,
Directionality instruction also correspondingly changes correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes that a kind of rangefinder, Fig. 1 are an embodiment of rangefinder provided by the invention.
Referring to Fig. 1, in the present embodiment, the rangefinder 100 includes shell (being not shown), in the shell
Equipped with telescopic system 1, laser transmitting system 2, laser receiver system 3 and display system 4, the telescopic system 1 includes object lens 11
With eyepiece 12, optical path of looking in the distance is formd between the object lens 11 and the eyepiece 12, and along described both optical path directions of looking in the distance
Between be successively arranged object lens spectroscope 13 and eyepiece spectroscople 14, the object lens spectroscope 13 to decompose infrared ray and white light,
The optical path of looking in the distance is formd between the object lens 11 and the object lens spectroscope 13 enters light section, and the laser receiver system
3 at least partly optical path and it is described enter light Duan Chonghe, transmitting light of the eyepiece spectroscople 14 to decompose the display system 4
And white light, the optical path of looking in the distance is formd between the eyepiece 12 and the eyepiece spectroscople 14 goes out light section, the display system
At least partly optical path of system 4 and the light Duan Chonghe out.
In technical solution provided by the invention because at least partly optical path of the laser receiver system 3 and it is described enter light
Duan Chonghe, at least partly optical path of the display system 4 and the light Duan Chonghe out, can so reduce the rangefinder 100
Optical component setting number, to achieve the purpose that the optical path for optimize rangefinder 100, also, by described in being arranged
Object lens spectroscope 13 and the eyepiece spectroscople 14, can be to avoid influencing each other between different optical paths the problem of.
It is (described referring to Fig. 1, in the present embodiment that optical path of looking in the distance is formd between the object lens 11 and the eyepiece 12
Telescopic system 1 further includes the protective glass 17 being oppositely arranged with the eyepiece 12, and the eyepiece 12 is located at the protective glass 17 and institute
State between object lens 11, by the setting of the protective glass 17, the protection eyepiece 12 can be played the role of), specifically, it please join
Fig. 1 is read, in the present embodiment, the optical axis of the object lens 11 is in parallel with the optical axis of the eyepiece 12 and is arranged in a staggered manner, the prestige
Remote system 1 further include set on it is described enter light section and it is described go out light section between steering microscope group, the steering microscope group is to will be from institute
It states the white light projected into light section and is diverted to the light section out, the structure of the telescopic system 1 described in this way is relatively simple, because of the object
Mirror 11 and the eyepiece 12 are arranged in a staggered manner, and are conducive to that other optical paths system is arranged between the object lens 11 and the eyepiece 12
System.
Further, referring to Fig. 1, in the present embodiment, the steering microscope group include along it is described look in the distance optical path direction according to
The object lens reflecting mirror 16 and roof prism 15 (in the present embodiment, the roof prism 15 is 90 degree of roof prisms) of secondary setting,
The overall structure of the telescopic system 1 described in this way is by a relatively simple.
Infrared ray and white light are decomposed by the object lens spectroscope 13, can prevent infrared ray from entering the light section out, tool
Body, referring to Fig. 1, in the present embodiment, the object lens 11 and the object lens spectroscope 13 are in being oppositely arranged, and the object lens
Reflecting mirror 16 is located between the two, wherein the object lens spectroscope 13 is arranged to that infrared ray is allowed to pass through, and prevents white light from wearing
It crosses, the integral layout of the rangefinder 100 described in this way is relatively compact, also, infrared ray is not easily accessible the light section out.
At least partly optical path of the laser receiver system 3 and it is described enter light Duan Chonghe, specifically, referring to Fig. 1, this
In embodiment, the object lens spectroscope 13 is between the laser receiver system 3 and the object lens 11, the laser pick-off system
System 3 includes the double mirror 31 set gradually along its optical path direction, receives mirror 32, receives reflecting mirror 33 and laser pickoff
34;The laser pickoff 34 is located at the same side of the object lens 11, and the light of the laser pickoff 34 with the eyepiece 12
The optical axis of axis and the object lens 11 is set in parallel;Infrared ray across the object lens spectroscope 13 is successively through the double-sided reflecting
First reflecting surface of mirror 31, the reception mirror 32 and the reception reflecting mirror 33, and the laser pickoff 34 is injected, such institute
The structure for stating laser receiver system 3 is by a relatively simple, also makes the integral layout of the rangefinder 100 more compact.
The transmitting light and white light of the display system 4 are decomposed by the eyepiece spectroscople 14, specifically, referring to Fig. 1,
The eyepiece spectroscople 14 and the eyepiece 12 are in being oppositely arranged, and between the eyepiece 12 and the roof prism 15,
The eyepiece spectroscople 14 is arranged to that white light is allowed to pass through, and prevents the transmitting light of the display system 4 from passing through;The display
System 4 includes display screen 41 (in the present embodiment, the display screen opposite with the second reflecting surface of the double mirror 31
The optical axis of 41 optical axis and the eyepiece 12 is set in parallel, and is conducive to the light channel structure that the display system 4 is arranged in this way),
And the display screen 41 (in the present embodiment, the display screen 41 is LCD display) and the object lens 11 are located at the eyepiece
12 the same side, can allow eyepiece 12 described in the more directives of transmitting light of the display system 4 in this way, to be promoted described aobvious
Show the display effect of system 4, also, the display screen 41 and the object lens 11 are arranged in the same side of the eyepiece 12, it can
So that the integral layout of the rangefinder 100 is more compact.
At least partly optical path of the display system 4 and the light Duan Chonghe out, specifically, referring to Fig. 1, in this implementation
In example, the display system 4 further includes being set between the display screen 41 and the double mirror 31 along its optical path direction
The first imaging lens 42 and the second imaging lens 43 between the double mirror 31 and the eyepiece spectroscople 14,
The transmitting light of the display screen 41 successively the second reflecting surface, described through first imaging lens 42, the double mirror 31
Second imaging lens 43 and the eyepiece spectroscople 14, and eyepiece 12 described in directive, the structure of the display system 4 described in this way are simple,
Also can accomplish to make full use of the installation space in the rangefinder 100.
Referring to Fig. 1, in the present embodiment, the laser transmitting system 2 and the laser receiver system 3 are located at the object
The opposite two sides of mirror 11, so that the integral layout of the rangefinder 100 is more compact.
The laser transmitting system 2 can emit infrared ray, referring to Fig. 1, in the present embodiment, the Laser emission system
System 2 laser emitter 21 between the object lens 11 and the object lens spectroscope 13, the laser transmitting system 2 described in this way
Infrared ray is not easily accessible the light section out.
Particular determination can not be done for the specific setting of the laser transmitting system 2, specifically, referring to Fig. 1, at this
In embodiment, the laser transmitting system 2 includes the laser emitter 21 set gradually along its optical path direction, transmitting reflective mirror
22 and transmitting mirror 23, and the optical axis of the optical axis of the laser emitter 21 and the object lens 11 is vertical setting, the prestige described in this way
The remote optical path of system 1 and the laser transmitting system 2 between the two is not likely to produce interference, and makes the whole of the rangefinder 100
Body layout is more compact.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of rangefinder, which is characterized in that including shell, telescopic system, laser transmitting system, laser are equipped in the shell
Reception system and display system;
The telescopic system includes object lens and eyepiece, optical path of looking in the distance is formd between the object lens and the eyepiece, and along institute
It states optical path direction of looking in the distance and is successively arranged object lens spectroscope and eyepiece spectroscople between the two;
The object lens spectroscope forms described to decompose infrared ray and white light between the object lens and the object lens spectroscope
Optical path of looking in the distance enters light section, and at least partly optical path of the laser receiver system and it is described enter light Duan Chonghe;
Transmitting light and white light of the eyepiece spectroscople to decompose the display system, the eyepiece and the eyepiece spectroscople
Between form the optical path of looking in the distance go out light section, at least partly optical path of the display system and it is described go out light Duan Chonghe.
2. rangefinder as described in claim 1, which is characterized in that the optical axis of the object lens is with the optical axis of the eyepiece in parallel
And be arranged in a staggered manner, the telescopic system further include set on it is described enter light section and it is described go out light section between steering microscope group, described turn
The light section out is diverted to the white light that light section projects will be entered described in microscope group.
3. rangefinder as claimed in claim 2, which is characterized in that the steering microscope group includes along the optical path direction of looking in the distance
The object lens reflecting mirror and roof prism set gradually.
4. rangefinder as claimed in claim 3, which is characterized in that the roof prism is 90 degree of roof prisms.
5. rangefinder as claimed in claim 3, which is characterized in that the object lens and the object lens spectroscope in being oppositely arranged,
And the object lens reflecting mirror is located between the two, wherein the object lens spectroscope is arranged to that infrared ray is allowed to pass through, and prevents
White light passes through.
6. rangefinder as claimed in claim 5, which is characterized in that the object lens spectroscope be located at the laser receiver system and
Between the object lens, the laser receiver system includes the double mirror set gradually along its optical path direction, receives mirror, connects
Receive reflecting mirror and laser pickoff;
The laser pickoff and the eyepiece are located at the same side of the object lens, and the optical axis of the laser pickoff and described
The optical axis of object lens is set in parallel;
Across the spectroscopical infrared ray of the object lens successively the first reflecting surface through the double mirror, the reception mirror and institute
Reception reflecting mirror is stated, and injects the laser pickoff.
7. rangefinder as claimed in claim 6, which is characterized in that the eyepiece spectroscople is in be oppositely arranged with the eyepiece,
And between the eyepiece and the roof prism, the eyepiece spectroscople is arranged to that white light is allowed to pass through, and prevents institute
The transmitting light for stating display system passes through;
The display system includes the display screen opposite with the second reflecting surface of the double mirror, and the display screen and institute
State the same side that object lens are located at the eyepiece.
8. rangefinder as claimed in claim 7, which is characterized in that the optical axis of the optical axis of the display screen and the eyepiece is in flat
Row setting;And/or
The display system further includes first be set between the display screen and the double mirror along its optical path direction
Imaging lens and the second imaging lens between the double mirror and the eyepiece spectroscople, the hair of the display screen
Light is penetrated successively through first imaging lens, the second reflecting surface of the double mirror, second imaging lens and the eyepiece
Spectroscope, and eyepiece described in directive.
9. rangefinder as described in claim 1, which is characterized in that the laser transmitting system and the laser receiver system position
In the opposite two sides of the object lens;And/or
The laser emitter of the laser transmitting system is between the object lens and the object lens spectroscope.
10. the rangefinder as described in claim 1 or 9, which is characterized in that the laser transmitting system includes along its optical path side
To laser emitter, the transmitting reflective mirror and transmitting mirror set gradually, and the optical axis of the laser emitter and the object lens
Optical axis is vertical setting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811654774.0A CN109520468A (en) | 2018-12-29 | 2018-12-29 | Rangefinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811654774.0A CN109520468A (en) | 2018-12-29 | 2018-12-29 | Rangefinder |
Publications (1)
Publication Number | Publication Date |
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CN109520468A true CN109520468A (en) | 2019-03-26 |
Family
ID=65797486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811654774.0A Pending CN109520468A (en) | 2018-12-29 | 2018-12-29 | Rangefinder |
Country Status (1)
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CN (1) | CN109520468A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203133384U (en) * | 2013-02-04 | 2013-08-14 | 贾怀昌 | Telescope optical system with range finding function and telescope module |
CN106444003A (en) * | 2016-08-29 | 2017-02-22 | 甘晟华 | Telescope range finder |
CN106680917A (en) * | 2016-12-23 | 2017-05-17 | 重庆海蓝川马光电科技有限公司 | Complex prism for functional telescope and binocular telescope optical system thereof |
CN106940473A (en) * | 2017-04-19 | 2017-07-11 | 深圳市迈测科技股份有限公司 | A kind of simple eye telescope of laser ranging |
CN209416330U (en) * | 2018-12-29 | 2019-09-20 | 深圳市恒天伟焱科技有限公司 | Rangefinder |
-
2018
- 2018-12-29 CN CN201811654774.0A patent/CN109520468A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203133384U (en) * | 2013-02-04 | 2013-08-14 | 贾怀昌 | Telescope optical system with range finding function and telescope module |
CN106444003A (en) * | 2016-08-29 | 2017-02-22 | 甘晟华 | Telescope range finder |
CN106680917A (en) * | 2016-12-23 | 2017-05-17 | 重庆海蓝川马光电科技有限公司 | Complex prism for functional telescope and binocular telescope optical system thereof |
CN106940473A (en) * | 2017-04-19 | 2017-07-11 | 深圳市迈测科技股份有限公司 | A kind of simple eye telescope of laser ranging |
CN209416330U (en) * | 2018-12-29 | 2019-09-20 | 深圳市恒天伟焱科技有限公司 | Rangefinder |
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Address after: 518000 East, 2nd floor, building 5, Tangtou first industrial zone, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Hengtian Weiyan Technology Co.,Ltd. Address before: 518000 East, 2nd floor, building 5, Tangtou first industrial zone, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN HENGTIAN WEIYAN TECHNOLOGY Co.,Ltd. |