CN112130315A - Two-cavity type sightseeing periscope - Google Patents

Two-cavity type sightseeing periscope Download PDF

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Publication number
CN112130315A
CN112130315A CN202010970935.8A CN202010970935A CN112130315A CN 112130315 A CN112130315 A CN 112130315A CN 202010970935 A CN202010970935 A CN 202010970935A CN 112130315 A CN112130315 A CN 112130315A
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CN
China
Prior art keywords
lens group
group
prism
periscope
eyepiece
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Pending
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CN202010970935.8A
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Chinese (zh)
Inventor
张琪
曹尚
陈琳
段文亮
刘苏莉
兰林涛
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Wuhan Huazhong Tianwei Measurements And Controls Co ltd
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Wuhan Huazhong Tianwei Measurements And Controls Co ltd
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Priority to CN202010970935.8A priority Critical patent/CN112130315A/en
Publication of CN112130315A publication Critical patent/CN112130315A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08Periscopes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/15Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Astronomy & Astrophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)

Abstract

The invention discloses a two-cavity type sightseeing periscope with an automatically liftable eyepiece lens, which is formed by assembling an upper lens group, a middle lens group and an eyepiece lens group, wherein the upper lens group consists of head protective glass, a pitching prism, a continuous zoom objective lens group and a reticle, the middle lens group consists of a first middle lens tube and a second middle lens tube which are connected by a conductive sliding ring, the eyepiece lens group comprises a condenser lens group, an eyepiece lens and a beam splitting prism group which are sequentially arranged from an object side to an image side, the beam splitting prism group divides the convergent light emitted from the continuous zoom objective lens group into two beams which are vertical to each other, one beam is reflected into a left reflector and enters a left eyepiece lens group after passing through the protective glass, and one beam is transmitted into the protective glass and then sequentially passes through a first outer reflector and a second outer reflector and enters a right eyepiece lens group after passing through the first outer reflector and the second outer reflector. The sightseeing periscope has the characteristics of convenience in installation, simplicity in operation, safety, reliability, concise and attractive appearance, strong experience sense and the like.

Description

Two-cavity type sightseeing periscope
Technical Field
The invention belongs to the technical field of sightseeing equipment, relates to a civil sightseeing periscope, and particularly relates to a two-cavity type sightseeing periscope.
Background
Periscope refers to an observation device that can be placed in a safe position to observe difficult direct observation or dangerous areas. The rudimentary form of practical optical periscopes appeared in the early century. With the advance of electro-optical device technology, periscopes have evolved from a simple optical viewing device to a versatile integrated optical instrument.
The sightseeing periscope is usually used for magnifying and observing surrounding scenery, a user can observe external scenery without going out, and an optical system of the sightseeing periscope has a certain magnifying effect and can observe details of the external scenery.
The oriental pearl television tower is one of the marked landscapes in Shanghai, is positioned at the mouth of a land family in the Pudong New region in Shanghai, has the height of about 468 meters, is a three-layer air hotel at the spherical part of the television tower, observes external landscapes through a single-cylinder telescope arranged indoors, and becomes a unique tourism project.
But limited by the construction of telescopes, guests cannot achieve an immersive viewing experience at a height similar to that of such television towers.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a two-cavity type sightseeing periscope with an automatically liftable eyepiece.
The technical scheme adopted by the invention for solving the technical problems is as follows: a two-cavity type sightseeing periscope sequentially comprises an upper lens group arranged on an upper support seat, a middle lens group arranged on a lower support seat and an eyepiece group arranged on a servo electric cylinder from top to bottom, wherein the upper lens group and the eyepiece group are respectively positioned in two cavities with airtight structures to form a two-cavity type structure form; the upper lens group consists of head protection glass, a pitching prism, a continuous zoom objective group and a reticle which are sequentially arranged from an object side to an image side, the pitching prism bends the target light by 90 degrees, and +/-20 pitching of a sighting line in a meridian plane is realized at the same time; the zoom lens group and the compensation lens group move relatively or oppositely along an optical axis to realize the continuous change of magnification; the middle lens group consists of a first middle lens tube and a second middle lens tube which are connected by a conductive sliding ring and used for bearing an elongated light path and meeting the requirement of periscopic force; the eyepiece group include the condensing lens group, mesh prism and the beam splitting prism group that follow object space to image space and arrange in proper order, the condensing lens group is used for the bore of shrink light, mesh prism and every single move prism combination realize the periscope function, beam splitting prism group is equallyd divide into two bundles of light of mutually perpendicular from the convergent light of zoom objective group outgoing in succession, target light gets into left side eyepiece group after protection glass to the field lens through beam splitting prism group light reflection all the way after passing through, all the way spectral transmission gets into right side eyepiece group after protection glass in proper order through outer mirror one, outer mirror two.
The two-cavity type sightseeing periscope is characterized in that a compensation glass plate is arranged in front of a field lens.
The two-cavity type sightseeing periscope is characterized in that an oblique square prism is arranged between the light splitting prism group and the left reflecting mirror and used for translating a reflected light beam emitted from the light splitting prism group.
The front fixed group ƒ of the two-cavity type sightseeing periscope1' 220mm, ƒ for a variable power lens assembly2' = -78mm, ƒ for compensation lens set3=135mm, ƒ of the postfixation group4' 3453mm, ƒ set by eyepiece group5´=42mm。
According to the two-cavity type sightseeing periscope, the replaceable drying agent box is respectively installed behind the upper lens group and the eyepiece group and is replaced periodically.
The invention has the beneficial effects that: the continuous zooming mode of the invention is to make the zoom lens group and the compensation lens group move along the direction of the optical axis, the movement is stable without jumping, and the image formed by the target is continuously enlarged or reduced from 6 times to 12 times or from 12 times to 6 times, which is beneficial to operation and observation. And the system inherits a very simple design concept, consolidates the technological sensation of precise optical instruments, simultaneously reserves some military elements, and can better meet the control requirements of military enthusiasts.
Drawings
FIG. 1 is a general block diagram of the front view of the present invention;
fig. 2 is a general structural view in a side view direction of the present invention.
FIG. 3 is a diagram of an optical system of the present invention;
FIG. 4 is a diagram of the optical system of the ocular lens assembly of the present invention;
FIG. 5 is a diagram of the optical system of the rhombus prism of the present invention;
fig. 6 is a schematic view of the installation of the present invention.
The figures are numbered: 1-eyepiece group, 10-compensation glass plate, 11-condenser group, 12-eyepiece, 13-beam splitter group, 14-left reflector, 15-protective glass, 16-first outer reflector, 17-second outer reflector, 18-field lens, 19-eyepiece group, 2-middle lens group, 21-first middle lens, 22-second middle lens, 3-upper lens group, 31-head protective glass, 32-pitching prism, 33-continuous zoom objective group, 331-front fixed group, 332-zoom lens group, 333-compensation lens group, 334-rear fixed group, 34-reticle, 4-servo electric cylinder, 5-lower support, 6-upper support, 7-rhombic prism, 81-ring beam, 82-upper flange, 83-lower flange.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the invention discloses a two-chamber type sightseeing periscope, in order to solve the problem of the installation applicability of the periscope, a periscope body adopts a two-chamber type overall structure and is mainly formed by assembling an upper lens group 3, a middle lens group 2 and an eyepiece lens group 1, the upper lens group 3 and the eyepiece lens group 1 are independent sealed cavities, the modular design of the periscope is realized, wherein the upper lens group 3 is installed on an upper support seat 6, the middle lens group 2 is installed on a lower support seat 5, the eyepiece lens group 1 is installed on a servo electric cylinder 4, the upper lens group 3 and the eyepiece lens group 1 are respectively positioned in the cavities of two airtight structures, a two-chamber type structural form is formed, and the influence (mildew) of moist gas on optical parts can be reduced. A replaceable drying agent box is respectively arranged at the rear of the upper lens group 3 and the rear of the eye lens group 1, and the replacement is carried out periodically, wherein the principle of replacement is that the drying agent box is observed through a window of the drying agent box, and the drying agent is replaced when the drying agent becomes white.
The sightseeing periscope is automatically lifted through the servo electric cylinder 4, the lifting stroke is 600mm, the servo electric cylinder 4 is provided with a servo motor and a Hall element stroke switch, the maximum voltage of the servo motor is 24V, the maximum current of the servo motor is 8.2A, the servo motor is provided with a speed reducing mechanism, the servo motor is directly driven by 24V and is controlled by three-gear switches of lifting, descending and stopping, and the driving voltage is automatically closed when the Hall element stroke switch is operated in the lifting process.
Referring to fig. 3, the upper lens group 3 is composed of a head protection glass 31, a pitch prism 32, a continuous zoom objective lens group 33 and a reticle 34, which are sequentially arranged from an object side to an image side, wherein the pitch prism 32 bends the target light by 90 degrees, and meanwhile, ± 20 degrees of pitch of a sighting line in a meridian plane is realized; the zoom lens group 33 is composed of a front fixed group 331, a zoom lens group 332, a compensation lens group 333 and a rear fixed group 334, and the zoom lens group 332 and the compensation lens group 333 move relatively or oppositely along the optical axis to realize the continuous change of the magnification.
The middle lens group 2 is composed of a middle lens tube 21 and a middle lens tube 22 which are connected through a conductive slip ring and used for bearing an elongated light path and meeting the requirement of periscopic force.
The eyepiece lens group 1 comprises a condenser lens group 11, an eye prism 12 and a beam splitting prism group 13 which are sequentially arranged from an object side to an image side, the condenser lens group 11 is used for contracting the aperture of light, the eye prism 12 and a pitching prism 32 are combined to realize a periscopic function, the beam splitting prism group 13 equally divides the convergent light emitted from a continuous zoom objective lens group 33 into two beams of light which are perpendicular to each other, one path of beam splitting light after passing through the beam splitting prism group 13 is reflected into a left reflecting mirror 14, passes through protective glass 15 to a field lens 18 and then enters a left eyepiece lens group 19 (blocked in figure 3), and one path of beam splitting light after being transmitted to the protective glass 15 sequentially passes through a first outer reflecting mirror 16, a second outer reflecting mirror 17 to the field lens 18 and then enters a right eyepiece lens group 19. Wherein the zoom objective lens group 33, the steering system group 21, the condenser lens group 11 and the eyepiece lens group 19 form a telescopic system.
ƒ of the front fixed group 3311=220mm, ƒ of the variable power lens assembly 3322' = -78mm, ƒ of compensation lens group 3333=135mm, ƒ of the rear fixed group 3344' 3453mm, ƒ of eyepiece set 195´=42mm。
As shown in fig. 4, a compensation glass plate 10 is also provided in front of the field lens 18. Between the splitting prism group 13 and the left reflecting mirror 14, a rhombic prism 7 as shown in fig. 5 is provided for translating the reflected light beam exiting from the splitting prism group 13.
When the sightseeing periscope is installed in a spherical three-layer air hotel of an Oriental bright bead television tower, the sightseeing periscope extends out of a spherical roof from a guest-meeting layer in the middle of the hotel through a bedroom to observe peripheral scenes in an amplifying way, the pitching range of a sight line is +/-20 degrees, the periscope has the periscope force of 6850mm, and 6 can be realized×~12×And the continuous zoom observation is carried out, and the movement is stable without jumping.
The invention adopts the boom type to realize the indoor installation of the periscope, does not damage the ground bearing structure, and has the self-adaptive calibration and leveling functions. As shown in fig. 6, during the decoration and reconstruction of guest rooms, an upper flange 82 and a lower flange 83 are preset (the upper flange and the lower flange are separately fixed on a platform with a two-layer steel structure) according to design requirements, after the periscope is machined and assembled, the periscope is moved to the site for installation, the upper part of the periscope extends out of the guest room, an upper lens group 3 is fixed on an annular beam 81, a middle lens group 2 and an eyepiece group 1 are respectively connected with the preset flanges through screws, the plumb of the periscope is adjusted through rotating a leveling block, and the middle lens group 2 and a lower support 5 are connected and fixed with the upper lens group 3 in a butt joint manner after being installed; the mesh lens group 1 and the servo electric cylinder 4 are installed and then are butted and adjusted with the middle lens group 2. And after the adjustment of the periscope is finished, glue filling and sealing treatment is carried out on the gap between the upper support and the preset flange plate.
The pitching of the sightseeing periscope is controlled by a pitching motor, the pitching range is-20 degrees to + 20 degrees, the type of the pitching motor is SYL-05, a pitching prism 32 is driven by the reduction of a worm gear and a worm, a multi-turn potentiometer is mounted on a motor shaft, the pitching height is measured through the resistance voltage division of the multi-turn potentiometer, the resistance voltage division range is 0-5V, the display range is-20.0 to 20.0 through the display of a digital voltmeter, and the corresponding pitching range is-20 degrees to + 20 degrees.
The optical system of the sightseeing periscope adopts the continuous zoom lens, and the zooming range is 6×~12×The zooming motor reduction box 20/1 drives the optical lens in a speed reduction way through gear transmission, the moving distance of the lens is 0-30 mm, the zooming device is provided with an upper electrical limit and a lower electrical limit and a mechanical limit, the runaway is prevented, the pitching operation is carried out through a 'large view field' button and a 'small view field' button on the handle, the pitching support is provided with an upper electrical limit and a lower electrical limit and a mechanical limit, the pitching runaway is prevented, and the pitching operation is carried out through a 'depression' button and a 'pitching' button on the handle.
Rotating the visibility adjusting rings on the left and right ocular groups to enable the remote target to image clearly; or in the case of no target around, the periscope is adjusted to be clear in dividing lines. And adjusting to a proper distance by using a pupil distance adjusting hand wheel.
The sightseeing mode of erecting the monocular telescope indoors is different from the traditional sightseeing mode of erecting the monocular telescope indoors, visitors can view the external beautiful scenery through quasi-binoculars in high-altitude guest rooms, and the immersive experience of fusion of display and control interfaces is realized. The servo electric cylinder 4 of the invention is lifted in a non-use state, the bottom end of the periscope is 1950mm away from the ground, and the moving space of tourists is not occupied.
The sightseeing periscope has the characteristics of convenience in installation, simplicity in operation, safety, reliability, concise and attractive appearance, strong experience sense and the like.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (5)

1. A two-chamber formula sightseeing periscope which characterized in that: the device comprises an upper lens group (3) arranged on an upper support seat (6), a middle lens group (2) arranged on a lower support seat (5) and a mesh lens group (1) arranged on a servo electric cylinder (4) from top to bottom in sequence, wherein the upper lens group (3) and the mesh lens group (1) are respectively positioned in two airtight cavities;
the upper lens group (3) consists of head protection glass (31), a pitching prism (32), a continuous zoom lens group (33) and a reticle (34) which are sequentially arranged from an object side to an image side, the pitching prism (32) bends the target light by 90 degrees, and +/-20 degrees pitching of a sighting line in a meridian plane is realized; the continuous zoom objective lens group (33) consists of a front fixed group (331), a zoom lens group (332), a compensation lens group (333) and a rear fixed group (334), wherein the zoom lens group (332) and the compensation lens group (333) move relatively or oppositely along an optical axis to realize the continuous change of magnification;
the middle lens group (2) is composed of a first middle lens tube (21) and a second middle lens tube (22) which are connected through a conductive sliding ring and used for lengthening a light path;
the eyepiece lens group (1) include along the condenser lens group (11) that the object space arranged in proper order to the image space, mesh prism (12) and beam splitting prism group (13), condenser lens group (11) are used for contracting the bore of light, mesh prism (12) and every single move prism (32) combination realize the periscope function, beam splitting prism group (13) divide the convergent light of becoming times objective lens group (33) outgoing in succession equally into two bundles of light of mutually perpendicular, all the way beam splitting reflection gets into left speculum (14) and gets into left side eyepiece group (19) after protective glass (15) to field lens (18), all the way beam splitting passes through outer speculum (16) after transmitting to protective glass (15) in proper order, outer speculum two (17) get into right side eyepiece group (19) after field lens (18).
2. A two-chamber sightseeing periscope according to claim 1, characterized in that a compensating glass plate (10) is also provided in front of the field lens (18).
3. A two-chamber periscope according to claim 1, wherein a rhombus prism (7) is arranged between the beam splitting prism set (13) and the left reflector (14) for translating the reflected beam exiting from the beam splitting prism set (13).
4. A two-chamber sightseeing periscope according to claim 1, characterized in that ƒ of the front fixed group (331)1=220mm, ƒ of a variable power lens group (332)2' -78mm, ƒ of the compensation lens group (333)3=135mm, ƒ of the postfixation group (334)4' 3453mm, ƒ of eyepiece set (19)5´=42mm。
5. The two-chamber type sightseeing periscope according to claim 1, characterized in that a drying agent box is respectively installed behind the upper lens group (3) and the mesh lens group (1).
CN202010970935.8A 2020-09-15 2020-09-15 Two-cavity type sightseeing periscope Pending CN112130315A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234863A (en) * 2022-02-23 2022-03-25 三代光学科技(天津)有限公司 High-precision measuring light path structure for surface roughness of inner cavity and outer cavity and automatic measuring system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486806A (en) * 1963-05-31 1969-12-30 Zeiss Stiftung Binocular periscope
DE2919678A1 (en) * 1979-05-16 1980-11-20 Zeiss Carl Fa OPERATING MICROSCOPE WITH A SMALL WORKING DISTANCE
CN1391122A (en) * 2001-06-08 2003-01-15 菲利浦·A·米柯尔森 Portable fold and focus variable periscope
CN104020557A (en) * 2014-06-25 2014-09-03 中国船舶重工集团公司第七一七研究所 Monocular and quasibinocular transformation observing optical device
CN106019563A (en) * 2016-06-21 2016-10-12 中国船舶重工集团公司第七〇七研究所 Continuously-variable-magnification periscopic and telescopic observation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486806A (en) * 1963-05-31 1969-12-30 Zeiss Stiftung Binocular periscope
DE2919678A1 (en) * 1979-05-16 1980-11-20 Zeiss Carl Fa OPERATING MICROSCOPE WITH A SMALL WORKING DISTANCE
CN1391122A (en) * 2001-06-08 2003-01-15 菲利浦·A·米柯尔森 Portable fold and focus variable periscope
CN104020557A (en) * 2014-06-25 2014-09-03 中国船舶重工集团公司第七一七研究所 Monocular and quasibinocular transformation observing optical device
CN106019563A (en) * 2016-06-21 2016-10-12 中国船舶重工集团公司第七〇七研究所 Continuously-variable-magnification periscopic and telescopic observation device

Non-Patent Citations (1)

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Title
张坤石等: "《潜艇光电装备技术》", 31 December 2012 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234863A (en) * 2022-02-23 2022-03-25 三代光学科技(天津)有限公司 High-precision measuring light path structure for surface roughness of inner cavity and outer cavity and automatic measuring system

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