CN105486278A - Visual optical instrument - Google Patents
Visual optical instrument Download PDFInfo
- Publication number
- CN105486278A CN105486278A CN201510969018.7A CN201510969018A CN105486278A CN 105486278 A CN105486278 A CN 105486278A CN 201510969018 A CN201510969018 A CN 201510969018A CN 105486278 A CN105486278 A CN 105486278A
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- China
- Prior art keywords
- prism
- display screen
- visual
- optical instrument
- light
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Astronomy & Astrophysics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention provides a visual optical instrument, comprising a visual system arranged in an instrument housing and a display screen arranged outside the instrument housing, wherein a deviation prism is placed beside the display screen, and light rays pass through the display screen, then are reflected by the deviation prism, and enter the visual system. The display screen is arranged at the outside of the visual optical instrument, and an image formed by the display screen enters to be on an image plane of the visual system, so that the transmittance of the visual system cannot be affected; besides, the display screen is arranged at the outside of the optical instrument, through imaging by a lens, the formed image enters and is on the image plane of the visual system, thus a displayed value by visual observation is an image of characters on the display screen, formed through the system, and the size of the image can be changed along with the position change of the display screen to the lens.
Description
[technical field]
The present invention relates to a kind of optical instrument, particularly a kind of visual optical instrument.
[background technology]
For the distance mearuring equipment of routine, its measurement result is directly presented in eyepiece image planes, and the transmitance of visual observation is lower, and size and the brightness thereof of display word relatively fix.In addition, the display screen of existing visual surveying instrument is directly installed in eyepiece image planes, because display transmitance is lower, therefore, causes whole visual system transmitance low, affects the impression of observed objects.
Moreover display screen is placed directly in visual system image planes, the size of display word is determined by the performance of display screen itself, more fixing, and the brightness of display word is by external environment brightness decision, and when external environment is very dark time, visual observation does not go out to show data.
In view of above defect, be necessary to provide a kind of visual optical instrument that can solve above technical matters.
[summary of the invention]
The invention provides a kind of visual optical instrument, display screen is placed on instrument outside, enter in the image planes of eyepiece by the picture become display screen, the transmitance of visual system can not be affected, in addition, visual observation displayed value be word on display screen by system imaging, as size can change with the change in location between display screen to camera lens.The color of word can be changed by lighting source color and change, and the brightness of word can change by controlling lighting source brightness change, and reasonably can utilize space mechanism, whole apparatus structure is tightly urged, reduces technology difficulty.
The present invention is by the following technical solutions:
A kind of visual optical instrument, comprise the visual system be placed in tool housing and the display screen being placed in visual system outside, the side of display screen is placed with refractive prism, light after display screen enters cemented prism after refractive prism reflection, after cemented prism, enter into visual system.
Refractive prism is placed on the same side of display screen and visual system, and refractive prism ensures whole light that both can receive shown by display screen at the width of transverse direction, the light received can be entered in visual system through cemented prism after two secondary reflections again simultaneously.
The face that refractive prism is relative with display screen is the plane of incidence, the light that display screen sends enters into refractive prism inside after impinging perpendicularly on the plane of incidence of refractive prism, after refractive prism two secondary reflection, penetrate from this plane of incidence again, light enters into visual system through cemented prism again after projection lens.
Refractive prism also can be two plane mirrors, two plane mirrors have a certain degree, ensure that the light that display screen sends squeezes into one of them plane mirror, then enter into visual system through cemented prism again from the injection of another one plane mirror after reflection.
In the non-luminous situation of display screen itself, the side of described display screen is provided with back light, and described back light and refractive prism lay respectively at the both sides of display screen.
Expander lens is placed with further between back light and display screen.
Visual optical instrument also includes Laser emission and/or receiving system, comprise the cemented prism be made up of two prisms, this cemented prism is fitted with roof prism in object lens side, the light of generating laser injection incides on the plane of incidence of one of them prism with vertical angle, then enter in roof prism through adhesive surface after exit facet injection, after reflection from the injection of roof prism exit facet, otherwise receive by reversible light path as the same.
The mode that described two prisms contact with face bonds, and the incident ray that generating laser sends is radiated at the adhesive surface of two prisms, described incident ray and described adhesive surface incident in obtuse angle.
The adhesive surface of described two and half pentaprisms is coated with rete, and this rete is sandwich construction, is made up of silicon dioxide and magnesium fluoride.
Compared with prior art, the present invention at least has following beneficial effect: display screen is placed on outside visual optical instrument by the present invention, is entered in the image planes of visual system by the picture become display screen, thus, the transmitance of visual system can not be affected.In addition, because display screen is placed on outside optical instrument, pass through lens imaging, imaging is allowed to enter in the image planes of visual system, like this, the displayed value of visual observation be exactly word on display screen by system imaging, and the size of picture can change with the change in location between display screen to camera lens.The color of word can be changed by lighting source color and change, and the brightness of word can change by controlling lighting source brightness change, to meet different measurement environment and the comfort level of each crowd.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional structure diagram of visual optical instrument embodiment 1 of the present invention;
Fig. 2 is the three-dimensional structure diagram of visual optical instrument embodiment 2 of the present invention;
Fig. 3 is the structural representation of visual optical instrument of the present invention Laser emission/laser transmitting system embodiment 1;
Fig. 4 is the structural representation of visual optical instrument of the present invention Laser emission/laser transmitting system embodiment 2;
Fig. 5 is the structural representation of visual optical instrument of the present invention Laser emission/laser transmitting system embodiment 3;
Fig. 6 is the structural representation of visual system of the present invention.
[embodiment]
Below in conjunction with accompanying drawing, various embodiment of the present invention is described in detail.
Visual optical instrument of the present invention comprises visual system, display system, and laser transmitting system and laser receiver system.
Described display system comprises display screen 1, refractive prism 2, cemented prism 3 and eyepiece, and light enters into refractive prism 2 after display screen 1 sends, in refractive prism 2 through two secondary reflections laggard enter to cemented prism 3, enter into eyepiece 100 through cemented prism 3.
Laser transmitting system and laser receiver system similar, at this, only set forth for laser transmitting system: laser transmitting system comprises generating laser 9, shaping camera lens 8, cemented prism 3, roof prism 6 and object lens 10.The light that generating laser 9 sends enters into cemented prism 3 after shaping camera lens 8, roof prism 6, then out enters into object lens 10 afterwards from cemented prism 3.
Visual system comprises object lens 10, eyepiece 100, roof prism 6, half pentaprism.After light is come, first through object lens 10, then successively through roof prism 6 and half pentaprism, finally enter into eyepiece 100.Described half pentaprism also can be pentaprism, triangular prism, Dove prism etc.
Embodiment 1
Refer to shown in Fig. 1, the invention discloses a kind of visual optical instrument, comprise the visual system be placed in tool housing and the display screen 1 be placed in outside visual system, described display screen 1 can be luminous parts itself also can be non-luminous parts itself, if display screen 1 itself can not be luminous, then be placed with back light 5 in the dead ahead of display screen 1, in order to ensure that back light 5 can cover whole display screen 1, expander lens 4 is placed with further between back light 5 and display screen 1, expander lens 4 one aspect can ensure the uniformity consistency of back light 5 on display screen 1, ensure that back light 5 covers whole display screen 1 on the other hand.
The side of display screen 1 is placed with back light 5, the other side of display screen 1 is placed with refractive prism 2, this refractive prism 2 and display screen 1 and visual system are all in a distance, and be all staggered with display screen 1 and visual system and arrange, after ensureing that the light of light source 5 is radiated at display screen 1, visual system is entered into through refractive prism 2, specifically, the placement parallel with the input path of display screen of the light path of visual system, display screen 1 can be placed on the lower left side of visual system, also the lower right side of visual system can be placed on, by refractive prism 2, light is forwarded to immediately below visual system, by cemented prism 3, light is transferred to visual system coaxial again, and at the width of transverse direction, refractive prism 2 ensures that the light received can be entered in visual system by cemented prism 3 by all light that both can receive display screen 1 after two secondary reflections again simultaneously.
Projection lens is placed with between first prism and refractive prism 2 of cemented prism 3.Described refractive prism 2 can be Porro prism, also can be triangular prism, Dove prism etc.
The face that described refractive prism 2 is relative with display screen 1 is the plane of incidence, the light that display screen 1 sends impinges perpendicularly on the plane of incidence of refractive prism 2 and enters into refractive prism 2 inside, after refractive prism 2 liang of secondary reflections, penetrate from this plane of incidence again, after reflection, the light of injection enters into visual system by cemented prism 3 again after projection lens.
Display screen 1 is placed on outside visual optical instrument by the present invention, by entering in the image planes of visual system the picture of display screen 1 one-tenth, thus, the transmitance of visual system can not be affected.In addition, because display screen 1 is placed on outside optical instrument, lens imaging is passed through, imaging is allowed to enter in the image planes of visual system, like this, the displayed value of visual observation is exactly the word imaging on display screen 1, and the size of picture can change with the change in location between display screen 1 to camera lens.Moreover, because display screen 1 is placed on beyond optical instrument, adopt background light source 5 to throw light on, also can observe display data when extraneous light is very dark, in addition, the brightness change of external environmental light is detected at any time by additional photodetector, regulate the brightness of illumination of background light source at any time, thus the brightness of displayed value word can be regulated at any time as required, so that at each environment, and different crowd, light can reach the comfortable sensation of range estimation.And the change of the color of word can change by selecting the bias light of different colours.
Embodiment 2
Refer to shown in Fig. 2, by entering in the image planes of visual system to the picture of display screen 1 one-tenth, on architecture basics disclosed in embodiment 1, the catoptron of refractive prism 2 by two planes can also be replaced, but two plane mirrors must be placed and have a certain degree, guarantee can receive all light that display screen 1 sends on the one hand, on the other hand, the light received can be entered into visual system by cemented prism 3 again after two secondary reflections, refractive prism 2 plays the effect of compact conformation, on the basis of implementing this scheme, can directly visual system just below place display system, display screen light directly squeezes into projection lens, entered first prism that projection lens impinges perpendicularly on cemented prism 3, thus enter in visual system through cemented prism.
Refer to shown in Fig. 3, visual optical instrument of the present invention further comprises Laser emission and/or receiving system, and for laser transmitting system, laser transmitting system comprises cemented prism 3, roof prism 6, shaping camera lens 8 and object lens 10.The difference of laser receiver system and laser transmitting system is: replaced with condenser by the shaping camera lens 8 of laser transmitting system.
Cemented prism 3 is bonded by two prisms, and the prism of bonding can be half pentaprism, pentaprism, triangular prism or Dove prism etc.The position of two prism bondings is for being called adhesive surface, and be bonded as example with two pentaprisms, first the light that Laser emission goes out enter into the first prism, then from the second prism out.Therefore, for the first prism, the face relative with adhesive surface is the plane of incidence, and for the second prism, the face relative with adhesive surface is exit facet.The light of Laser emission is to enter in the first prism perpendicular to the mode of the plane of incidence, and incident ray is through at adhesive surface, it should be noted that, described incident ray and described adhesive surface incident in obtuse angle.
To launch light path:
The light that generating laser 9 sends impinges perpendicularly on shaping camera lens 8, vertical on the plane of incidence of the first prism after shaping camera lens 8 shaping, enter in the second prism through adhesive surface, and then enter in roof prism 6 with vertical angle from the exit facet injection of the second prism, the face that described roof prism and the second prism are fitted is the plane of incidence, adjacent with the plane of incidence and relative with eyepiece face is exit facet, the light of Laser emission enters in roof prism, penetrate from exit facet after reflection, and last emergent ray penetrates in the mode perpendicular to exit facet, eventually pass object lens 10 to send.
For cemented prism, (can with two and half pentaprisms, two pentagonal prisms, two Dove prisms etc., the combination of various state) its adhesive surface is coated with rete, for laser optical path, this rete needs to have higher transmissivity, and for the projecting light path of display screen, this rete needs to have certain transmissivity, and for the visible ray of visual light path, this rete needs to have higher reflectivity.This rete is multiple film layer structure, and material is that silicon dioxide and magnesium fluoride are arranged in an alternating fashion, and such as, ground floor is silicon dioxide, and the second layer is magnesium fluoride, can arrange silicon dioxide or magnesium fluoride according to demand after third layer.
In the structure shown in Fig. 3, generating laser is placed on the right opposite in the first prism incidence face, and in order to the difficulty that reduces technique assembling and mechanism tightly short (space utilization), refer to shown in Fig. 4, plane mirror 11 is provided with further between Laser emission condenser and generating laser, like this, if generating laser is not place the positive the other side in the first prism incidence face, then its light launched vertically can incide the plane of incidence of the first prism by the reflection of plane mirror.And in order to ensure that incident light vertically incides the plane of incidence of the first pentaprism, only need the position of adjustment plane mirror and angle just can realize easily.When actual design, can according to the space reasonable Arrangement generating laser of visual optical instrument.
Certainly, except plane mirror, can also substitute with other mirror, than triangular prism 11 ' as shown in Figure 5 and not shown Dove prism etc.
Compared with prior art, visual optical instrument of the present invention, user can measure when focusing clearly and be observed the distance of object apart from observation place, light path is formed by roof prism and cemented prism, described light is after prism, because cemented prism plated film is different, separate different light paths, to reach the requirement of use.
Claims (10)
1. a visual optical instrument, it is characterized in that: comprise the visual system be placed in tool housing and the display screen being placed in visual system outside (1), the side of display screen (1) is placed with refractive prism (2), light after display screen (1) enters cemented prism after refractive prism (2) reflection, after cemented prism, enter into visual system.
2. a kind of visual optical instrument according to claim 1, it is characterized in that: described refractive prism (2) is placed on the same side of display screen (1) and cemented prism, and refractive prism (2) ensures whole light that both can receive shown by display screen (1) at the width of transverse direction, the light received can be entered in visual system through cemented prism (3) after reflection more simultaneously.
3. a kind of visual optical instrument according to claim 1, it is characterized in that: described refractive prism (2) is prism, the face that this prism is relative with display screen (1) is the plane of incidence, the light that display screen (1) sends is received by the plane of incidence of refractive prism (2) and enters into refractive prism (2) inside, after refractive prism (2) reflection, penetrate from this plane of incidence again, after reflection, the light of injection enters into visual system through cemented prism (3) again after projection lens.
4. a kind of visual optical instrument according to claim 1, it is characterized in that: described refractive prism is two plane mirrors, two plane mirrors have a certain degree, then the light that guarantee display screen (1) sends enter into cemented prism (3) from the injection of another one plane mirror thus enter visual system after getting to refractive prism (2) first plane mirrors reflections.
5. a kind of visual optical instrument as claimed in any of claims 1 to 4, it is characterized in that: described cemented prism (3) is bonded by two prisms, and the parallel placement relative with the plane of incidence of refractive prism of a face of one of them prism.
6. a kind of visual optical instrument according to claim 5, it is characterized in that: in the non-luminous situation of display screen (1) itself, the side of described display screen (1) is provided with back light (5), and described back light (5) and refractive prism (2) lay respectively at the both sides of display screen (1).
7. a kind of visual optical instrument according to claim 6, is characterized in that: between back light (5) and display screen (1), be placed with expander lens (4) further.
8. a kind of visual optical instrument according to claim 1, it is characterized in that: described visual optical instrument includes Laser emission and/or receiving system further, comprise aforementioned cemented prism and the roof prism (6) in the combination of cemented prism object lens (10) side, shaping camera lens (8), the light of generating laser injection incides on the plane of incidence of one of them prism of cemented prism with vertical angle through shaping camera lens, then the adhesive surface through two prisms enters in roof prism after exit facet injection, penetrate from roof prism exit facet after reflection.
9. a kind of visual optical instrument according to claim 8, it is characterized in that: the mode that described two prisms contact with face bonds, the incident ray that generating laser sends is radiated on two prism adhesive surfaces, described incident ray and institute's adhesive surface incident in obtuse angle.
10. a kind of visual optical instrument according to claim 8, is characterized in that: the adhesive surface of described two prisms is coated with rete, and this rete is sandwich construction, is made up of silicon dioxide and magnesium fluoride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969018.7A CN105486278A (en) | 2015-12-21 | 2015-12-21 | Visual optical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969018.7A CN105486278A (en) | 2015-12-21 | 2015-12-21 | Visual optical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105486278A true CN105486278A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510969018.7A Pending CN105486278A (en) | 2015-12-21 | 2015-12-21 | Visual optical instrument |
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| Country | Link |
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| CN (1) | CN105486278A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286483A (en) * | 2018-12-27 | 2019-09-27 | 刘云坤 | A kind of ranging binoculars optical system |
| CN111552088A (en) * | 2019-02-11 | 2020-08-18 | 杭州智屹科技有限公司 | Light beam separation system |
| CN112652941A (en) * | 2020-12-23 | 2021-04-13 | 北京遥测技术研究所 | High-energy, high-stability and high-reliability slab laser |
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| US5946505A (en) * | 1997-03-28 | 1999-08-31 | Samsung Aerospace Industries, Ltd. | Finder system for a single lens reflex camera |
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| CN203275765U (en) * | 2013-05-23 | 2013-11-06 | 西安西光威信光电有限公司 | Abbe prism-based optical prism structure |
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| CN205537597U (en) * | 2015-12-21 | 2016-08-31 | 西安西光威信光电有限公司 | Visual optical instrument |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5946505A (en) * | 1997-03-28 | 1999-08-31 | Samsung Aerospace Industries, Ltd. | Finder system for a single lens reflex camera |
| CN2636265Y (en) * | 2003-07-19 | 2004-08-25 | 鸿富锦精密工业（深圳）有限公司 | Digital camera module |
| CN1867854A (en) * | 2003-09-10 | 2006-11-22 | 鲁姆斯有限公司 | Display device with angular selective diffusor |
| CN203275765U (en) * | 2013-05-23 | 2013-11-06 | 西安西光威信光电有限公司 | Abbe prism-based optical prism structure |
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| CN205537597U (en) * | 2015-12-21 | 2016-08-31 | 西安西光威信光电有限公司 | Visual optical instrument |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286483A (en) * | 2018-12-27 | 2019-09-27 | 刘云坤 | A kind of ranging binoculars optical system |
| CN110286483B (en) * | 2018-12-27 | 2024-04-02 | 刘云坤 | Distance measuring binoculars optical system |
| CN111552088A (en) * | 2019-02-11 | 2020-08-18 | 杭州智屹科技有限公司 | Light beam separation system |
| CN112652941A (en) * | 2020-12-23 | 2021-04-13 | 北京遥测技术研究所 | High-energy, high-stability and high-reliability slab laser |
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Application publication date: 20160413 |