CN206670799U - The infrared and optical imagery emerging system of night vision device - Google Patents
The infrared and optical imagery emerging system of night vision device Download PDFInfo
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- CN206670799U CN206670799U CN201720476783.XU CN201720476783U CN206670799U CN 206670799 U CN206670799 U CN 206670799U CN 201720476783 U CN201720476783 U CN 201720476783U CN 206670799 U CN206670799 U CN 206670799U
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Abstract
The utility model provides a kind of infrared and optical imagery emerging system of night vision device, and the system includes night vision device；Beam splitter includes the relative first side and second side in position, is obliquely arranged on the upstream of night vision device light path；The LONG WAVE INFRARED light that object is sent is reflected by first side, and reflected light passes through the first optical concentrator part；The near infrared light of object enters night vision device after sequentially passing through first side and second side；The reflected light is imaged on photodetector after passing through the first optical concentrator part；The electric signal of photodetector output send process circuit；Process circuit converts electrical signals to picture signal；Display shows the visible images of corresponding object thermal imaging according to picture signal；Visible images are reflected after the convergence of the second optical concentrator part by the second side, and reflected light enters the night vision device.The utility model has the advantages that point-to-point fusion.
Description
Technical field
Image co-registration is the utility model is related to, the more particularly to infrared and optical imagery emerging system of night vision device.
Background technology
At present, countries in the world have deployed up to ten million infra-red thermal imaging instruments and night vision device.Infrared thermal imaging is optical picture
As becoming electronic image output, night vision device is to use full optical imagery.
The resolution ratio of night vision device and sensitivity are all very high, but in the wild, and grove, vegetation are all green, and military vehicle and scholar
The clothes of soldier is also green, and contrast is just very low；But the body temperature of soldier and the engine temperature of military vehicle all obtain than tree natural plant height
It is more, therefore contrast is fine.If however, in desert, set grass seldom, environment be all it is yellow, the contrast of night vision device with regard to fine,
And because desert is hot, environment temperature is very high, and with the similar even more high of body temperature, infra-red thermal imaging instrument leans on temperature difference imaging, contrast
It is just very low, this be also why U.S. army in Afghanistan with infrared, in the reason of Iraq's night vision device.In order to realize infrared and night
The advantages of depending on instrument each, overcome the shortcomings that respective, prior art is in the following way：
In order to realize the fusion of the infrared and optical imagery of night vision device, with millions of optical fiber on the image intensifier tube of night vision device
Image be sent on CCD, so as to become electronic image, this mode is ICCD.This optical fusion mode cost is very
It is high, it is difficult to spread in existing up to ten million night vision devices.
Utility model content
In order to solve the deficiency in above-mentioned prior art, the utility model provides a kind of simple in construction, fusion effect
The optical imagery emerging system of the good infrared and night vision device of fruit.
The purpose of this utility model is achieved through the following technical solutions：
The infrared and optical imagery emerging system of night vision device, the optical imagery emerging system include night vision device；The light
Image fusion system is learned to further comprise：
Beam splitter, the beam splitter include the relative first side and second side in position, and the beam splitter is obliquely set
Put in the upstream of the night vision device light path；The LONG WAVE INFRARED light that object is sent is reflected by the first side, and reflected light passes through
First optical concentrator part；The near infrared light of object enters institute after sequentially passing through the first side and second side of the beam splitter
State night vision device；
First optical concentrator part, the reflected light are imaged on photodetector after passing through the first optical concentrator part；
Photodetector, the electric signal of the photodetector output send process circuit；
The electric signal is converted to picture signal by process circuit, the process circuit；
Display, the display show the visible ray figure of the corresponding object thermal imaging according to described image signal
Picture；
Second optical concentrator part, the visible images are after the convergence of the second optical concentrator part by described second
Offside reflection, reflected light enter the night vision device.
Compared with prior art, the utility model have the advantage that for：
1. low cost, without using up to a million optical fiber；
2. the LONG WAVE INFRARED light and near infrared light of corresponding object are unobstructed, realized on beam splitter a little pair full filed
Point fusion, by night vision device image intensifier tube receive after on user's retina point-to-point strict optical fusion.
Brief description of the drawings
Referring to the drawings, disclosure of the present utility model will be easier to understand.Skilled addressee readily understands that
It is：These accompanying drawings are used only for illustrating the technical solution of the utility model, and are not intended to protection of the present utility model
Scope is construed as limiting.In figure：
Fig. 1 is the structure diagram according to the optical imagery emerging system of the infrared and night vision device of the utility model embodiment 1；
Fig. 2 is the structure diagram according to the optical imagery emerging system of the infrared and night vision device of the utility model embodiment 2.
Embodiment
Fig. 1-2 and optional embodiment of the present utility model is following description described how to instruct those skilled in the art
Implement and reproduce the utility model.In order to instruct technical solutions of the utility model, simplify or eliminate some conventional aspects.This
Art personnel should be appreciated that modification from these embodiments or replacement will be in the scope of the utility model.This area
Technical staff should be appreciated that following characteristics can combine to form multiple modifications of the present utility model in a variety of ways.Thus, originally
Utility model is not limited to following optional embodiments, and is only limited by claim and their equivalent.
Embodiment 1：
Fig. 1 schematically illustrates the optical imagery emerging system of the infrared and night vision device of the utility model embodiment, such as
Shown in Fig. 1, the optical imagery emerging system includes：
Night vision device, the night vision device include object lens 61, eyepiece etc., and concrete structure and working method are the existing skills of this area
Art, it will not be repeated here；
Beam splitter 11, such as tabular slide, the beam splitter includes the relative first side and second side in position, described
Beam splitter is obliquely arranged on the upstream of the night vision device light path, and the upstream specifically in the object lens is (according to the traveling of light
For route)；The LONG WAVE INFRARED light that object is sent is reflected by the first side, and reflected light passes through the first optical concentrator part；
The near infrared light (wavelength be 0.8 μm or so of light) of object sequentially passes through the first side and the of the beam splitter without being blocked
Enter the object lens 61 of the night vision device after two side faces；
First optical concentrator part 21, such as convergent lens, the reflected light is imaged on after passing through the first optical concentrator part
On photodetector；
Photodetector 41, the electric signal of the photodetector output send process circuit；
The electric signal is converted to picture signal by process circuit, the process circuit；
Display 42, such as LCD, the display shows the corresponding object thermal imaging according to described image signal
Visible images；
Second optical concentrator part 22, such as convergent lens, the visible images pass through the meeting of the second optical concentrator part
Reflected after poly- by the second side, reflected light enters the object lens 61 of the night vision device, so as to realize thermal imaging and night vision device
Point-to-point optical imagery fusion.
In order to improve beam splitter to LONG WAVE INFRARED light and the reflectivity of visible images, further, the beam splitter
First side have improve LONG WAVE INFRARED light reflectivity Anti-reflective coating, second side have improve visible reflectance increasing it is anti-
Film.
In order to improve optical fusion effect, further, the photodetector it is identical with the size of display and on
The main shaft of the night vision device light path is symmetrical arranged.
The optical imagery fusion method of the infrared and night vision device of the utility model embodiment 1, namely above-mentioned optical imagery system
The method of work of system, the optical imagery fusion method comprise the following steps：
The near infrared light of object enters night vision after sequentially passing through the first side and second side of beam splitter without being blocked
Instrument；The beam splitter includes the relative first side and second side in position, and the beam splitter is obliquely arranged on the night vision
The upstream of instrument light path；
The LONG WAVE INFRARED light that object is sent is reflected by the first side, reflected light pass through the first optical concentrator part after into
As on photodetector, the electric signal of photodetector output send display by processing, shown on display with it is described
Visible images corresponding to object thermal imaging；The visible images are after the convergence of the second optical concentrator part by described
Two side faces reflect, and reflected light enters the night vision device, so as to realize the fusion of the infrared and optical imagery of night vision device.
Embodiment 2：
The optical imagery emerging system of the utility model embodiment 2, as shown in Fig. 2 as different from Example 1：
The optical imagery emerging system further comprises：
First speculum 31, through the first optical concentrator part reflected light reflexed to by first speculum it is described
Photodetector 41；
Second speculum 32, the visible images pass through the second light meeting after the reflection of second speculum
Poly- device；First speculum and the second speculum are symmetrical arranged on the main shaft of the night vision device light path.
Claims (8)
1. infrared and night vision device optical imagery emerging system, the optical imagery emerging system include night vision device；Its feature exists
In：The optical imagery emerging system further comprises：
Beam splitter, the beam splitter include the relative first side and second side in position, and the beam splitter is obliquely arranged on
The upstream of the night vision device light path；The LONG WAVE INFRARED light that object is sent is reflected by the first side, and reflected light passes through first
Optical concentrator part；The near infrared light of object enters the night after sequentially passing through the first side and second side of the beam splitter
Depending on instrument；
First optical concentrator part, the reflected light are imaged on photodetector after passing through the first optical concentrator part；
Photodetector, the electric signal of the photodetector output send process circuit；
The electric signal is converted to picture signal by process circuit, the process circuit；
Display, the display show the visible images of the corresponding object thermal imaging according to described image signal；
Second optical concentrator part, the visible images are after the convergence of the second optical concentrator part by the second side
Reflection, reflected light enter the night vision device.
2. optical imagery emerging system according to claim 1, it is characterised in that：The first side of the beam splitter has
The Anti-reflective coating of LONG WAVE INFRARED light reflectivity is improved, second side has the Anti-reflective coating for improving visible reflectance.
3. optical imagery emerging system according to claim 1, it is characterised in that：The optical imagery emerging system enters one
Step includes：
First speculum, the reflected light through the first optical concentrator part reflex to the photoelectricity spy by first speculum
Survey device.
4. optical imagery emerging system according to claim 3, it is characterised in that：The optical imagery emerging system enters one
Step includes：
Second speculum, the visible images pass through second optical concentrator after the reflection of second speculum
Part.
5. optical imagery emerging system according to claim 4, it is characterised in that：First speculum and the second reflection
Mirror is symmetrical arranged on the main shaft of the night vision device light path.
6. optical imagery emerging system according to claim 4, it is characterised in that：The photodetector and display close
It is symmetrical arranged in the main shaft of the night vision device light path.
7. optical imagery emerging system according to claim 1, it is characterised in that：The photodetector and display
Size is identical.
8. optical imagery emerging system according to claim 1, it is characterised in that：The beam splitter is tabular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720476783.XU CN206670799U (en) | 2017-05-02 | 2017-05-02 | The infrared and optical imagery emerging system of night vision device |
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| CN201720476783.XU CN206670799U (en) | 2017-05-02 | 2017-05-02 | The infrared and optical imagery emerging system of night vision device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114205505A (en) * | 2021-12-14 | 2022-03-18 | 合肥英睿***技术有限公司 | Double-light preposed aiming device, adjusting method thereof and aiming system |
-
2017
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114205505A (en) * | 2021-12-14 | 2022-03-18 | 合肥英睿***技术有限公司 | Double-light preposed aiming device, adjusting method thereof and aiming system |
| WO2023109180A1 (en) * | 2021-12-14 | 2023-06-22 | 合肥英睿***技术有限公司 | Dual-light front aiming apparatus and installation and adjustment method therefor, and aiming system |
| CN114205505B (en) * | 2021-12-14 | 2023-09-08 | 合肥英睿***技术有限公司 | Double-light front aiming device, adjusting method thereof and aiming system |
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