CN109520468A - Rangefinder - Google Patents

Rangefinder Download PDF

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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
Authority
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
Application number
CN201811654774.0A
Other languages
Chinese (zh)
Inventor
陈永泽
朱雁峰
吴志勇
陈先云
梁海
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.)
Shenzhen Yan Tian Wei Heng Technology Co Ltd
Original Assignee
Shenzhen Yan Tian Wei Heng Technology 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 Shenzhen Yan Tian Wei Heng Technology Co Ltd filed Critical Shenzhen Yan Tian Wei Heng Technology Co Ltd
Priority to CN201811654774.0A priority Critical patent/CN109520468A/en
Publication of CN109520468A publication Critical patent/CN109520468A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/02Details
    • G01C3/04Adaptation 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

Rangefinder
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.
CN201811654774.0A 2018-12-29 2018-12-29 Rangefinder Pending CN109520468A (en)

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
CN109520468A true CN109520468A (en) 2019-03-26

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ID=65797486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811654774.0A Pending CN109520468A (en) 2018-12-29 2018-12-29 Rangefinder

Country Status (1)

Country Link
CN (1) CN109520468A (en)

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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.