CN206237513U - A kind of laser night-vision device based on autocollimator - Google Patents
A kind of laser night-vision device based on autocollimator Download PDFInfo
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- CN206237513U CN206237513U CN201621407920.6U CN201621407920U CN206237513U CN 206237513 U CN206237513 U CN 206237513U CN 201621407920 U CN201621407920 U CN 201621407920U CN 206237513 U CN206237513 U CN 206237513U
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- autocollimator
- laser
- video camera
- device based
- vision device
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- 230000004297 night vision Effects 0.000 title claims abstract description 30
- 238000005286 illumination Methods 0.000 claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000002834 transmittance Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000011514 reflex Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a kind of laser night-vision device based on autocollimator, including video camera, laser illuminator and drive control circuit, video camera, laser illuminator is connected with drive control circuit respectively, also include autocollimator, the inside of autocollimator is provided with the speculum for indirect illumination light to video camera, the eyepiece installation place of autocollimator is not installed by eyepiece, video camera is arranged on the eyepiece installation place of autocollimator by fixture, the image planes of autocollimator overlap with the image-forming component surface of video camera, make autocollimator with image mechanism into imaging system.The utility model number of lenses is few, and is speculum, not comprising transmission eyeglass, reduces the decay of optical surface and glass for lenses material to laser, improves utilization ratio of laser energy.
Description
Technical field
The utility model is related to a kind of laser night-vision device, more particularly to a kind of laser night vision based on autocollimator
Instrument, belongs to laser night vision technical field.
Background technology
In safety-security area, night video monitoring has become prevention and punishes crime, process burst malignant event, ensure public
The important high-tech preventions of common safety and national security.Laser night vision technology is a kind of active illumination imaging technique, is peace
The anti-emerging innovative technology of industry, at present by the development of more than ten years, is gradually applied by industry-by-industry field.
Current domestic traditional laser night-vision device, to realize that long-distance night-vision is monitored, its imaging lens generally uses focal length
Away from CCTV camera lenses, this camera lens high cost and heaviness, its optical system are complicated, and comprising more eyeglass, laser transmittance is low, both
Laser energy is wasted, and night vision imaging effect is impacted.
The content of the invention
For the defect of prior art, the utility model provides a kind of laser night-vision device based on autocollimator, subtracts
The few decay of optical surface and glass for lenses material to laser, improves utilization ratio of laser energy, is conducive to obtaining more preferable night vision
Monitoring effect.
In order to solve the technical problem, the technical solution adopted in the utility model is：One kind is based on autocollimator
Laser night-vision device, including video camera, laser illuminator and drive control circuit, video camera, laser illuminator respectively with driving
Control circuit connection, also including autocollimator, the inside of autocollimator is provided with for indirect illumination light to shooting
Eyepiece is not installed in the speculum of machine, the eyepiece installation place of autocollimator, and video camera is arranged on reflective prestige by fixture
The eyepiece installation place of remote mirror, the image planes of autocollimator overlap with the image-forming component surface of video camera, make autocollimator
With image mechanism into imaging system.
Laser night-vision device based on autocollimator described in the utility model, the fixture is fixes sleeve, shooting
Machine is connected with and drives it to be moved up and down so as to the motor for realizing focusing on, motor connection drive control circuit along fixes sleeve.
Laser night-vision device based on autocollimator described in the utility model, the autocollimator is that Newtonian is anti-
The one kind penetrated in telescope, Gregory formula telescope or Cassegrain's formula telescope.
Laser night-vision device based on autocollimator described in the utility model, the autocollimator is that Newtonian is anti-
Telescope is penetrated, the primary mirror and secondary mirror that incident laser is reflexed to video camera are provided with inside Newtonian reflector.
Laser night-vision device based on autocollimator described in the utility model, the video camera is not comprising imaging lens
Gun shaped video camera.
Laser night-vision device based on autocollimator described in the utility model, the laser illuminator include laser and
Illumination camera lens, laser is semiconductor laser, illumination camera lens be continuous vari-focus laser lighting camera lens, illuminate camera lens be coated with for
Improve the anti-reflection film of laser transmittance.
The beneficial effects of the utility model are：The utility model uses autocollimator, and number of lenses is few, and is anti-
Mirror is penetrated, not comprising projection eyeglass, the decay of optical surface and glass for lenses material to laser is reduced, laser energy utilization is improve
Rate, is conducive to or obtains more preferable night vision monitoring effect, and lightweight, low cost, has more relative to traditional focal length CCTV camera lenses
Good night vision monitoring effect and cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1st, video camera, 2, drive control circuit, 3, Newtonian reflector, 4, laser illuminator, 5, secondary mirror,
6th, primary mirror, 7, fixes sleeve.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of laser night-vision device based on autocollimator, including：Video camera 1, drive control circuit
2nd, autocollimator 3 and laser illuminator 4, video camera 1, autocollimator 3, laser illuminator 4 and drive control circuit 2
Connection, the control of drive control circuit 2 video camera 1, autocollimator 3, the action of laser illuminator 4.
In the present embodiment, the autocollimator 3 uses Newtonian reflector, in Newtonian reflector 3
Portion is provided with primary mirror 6 and secondary mirror 5 for reflecting incident light to video camera 1, and primary mirror 6 is recessed parabolic mirror, will be into mirror
To on the secondary mirror 5 of lens barrel front end, secondary mirror 5 is level crossing to the light collection back reflection of head, for light to be reflexed into lens barrel
Outward, that is, reflex at video camera, be imaged video camera 1.
The eyepiece installation place of Newtonian reflector 3 is fitted without eyepiece, and video camera 1 is installed by fixes sleeve 7
In the eyepiece installation place of Newtonian reflector 3, video camera 1 is not only connected to fixes sleeve 7 mesh of autocollimator 3
Mirror installation place, and with certain sealing function, light is entered video camera 1 from Newtonian reflector 3, it is to avoid
Imaging interference.Video camera 1 be connected with drive its along fixes sleeve 7 move up and down motor, motor connection drive control circuit 2,
The motion of the controlled motor of drive control circuit 2, makes video camera be moved up and down along fixes sleeve 7 according to the difference of light, so that real
Now focus on.
In the present embodiment, the image planes of Newtonian reflector 3 overlap with the image-forming component surface of video camera 1, video camera 1
Imaging system is constituted with Newtonian reflector 3, for gathering video image, monitoring is realized.When being monitored between daytime, monitoring objective
The ambient light of reflection is imaged through Newtonian reflector 3, and video camera 1 is acquired to image/video.During night monitoring, due to
Ambient light is weaker, is not enough to identification and is even less than swashed, it is necessary to pass through the control of drive control circuit 2 with recognizing the things of monitor area
Light illuminator 4 is opened and carries out light filling.The laser illuminator sent by laser illuminator 4 reflects after being reflected through monitoring objective into newton
Formula telescope 3, video camera 1 is entered after being reflected through its primary mirror 6 and secondary mirror 5 after elder generation, and video image is gathered by video camera 1.Due to ox
The number of lenses of autocollimator 3 that pauses is few, and is speculum, not comprising transmission eyeglass, reduces optical surface and glass for lenses
Decay of the material to laser, improves utilization ratio of laser energy, to obtain more preferable night vision monitoring effect.
In the present embodiment, in order to further reduce the decay of optical surface and glass for lenses material to laser, the laser shines
Funerary objects 4 includes laser and illumination camera lens, and laser is semiconductor laser, and illumination camera lens is continuous vari-focus laser lighting mirror
Head, illumination camera lens is coated with the anti-reflection film for improving laser transmittance.
In the present embodiment, autocollimator uses Newtonian reflector, according to actual conditions, it would however also be possible to employ lattice
Lei Gelishi telescopes or Cassegrain's formula telescope, laser night-vision device of both autocollimators and this implementation using this
The operation principle of the laser night-vision device based on Newtonian reflector described by example is identical, is all by autocollimator
Eyepiece is cancelled, and video camera is arranged on autocollimator is used for the position of fixed eyepiece, and video camera is constituted with autocollimator
Imaging system, gathers video image.
Described above is only general principle of the present utility model and preferred embodiment, and those skilled in the art are according to this reality
With the new improvement and replacement made, belong to protection domain of the present utility model.
Claims (6)
1. a kind of laser night-vision device based on autocollimator, including video camera, laser illuminator and drive control circuit, take the photograph
Camera, laser illuminator are connected with drive control circuit respectively, it is characterised in that：Also include autocollimator, reflective prestige
The inside of remote mirror is provided with the speculum for indirect illumination light to video camera, and the eyepiece installation place of autocollimator is not installed
Eyepiece, video camera is arranged on the eyepiece installation place of autocollimator, image planes and the shooting of autocollimator by fixture
The image-forming component surface of machine overlaps, and makes autocollimator with image mechanism into imaging system.
2. the laser night-vision device based on autocollimator according to claim 1, it is characterised in that：The fixture is
Fixes sleeve, video camera is connected with and drives it to be moved up and down so as to the motor for realizing focusing on along fixes sleeve, and motor connection drives
Control circuit.
3. the laser night-vision device based on autocollimator according to claim 1, it is characterised in that：The reflective prestige
Remote mirror is the one kind in Newtonian reflector, Gregory formula telescope or Cassegrain's formula telescope.
4. the laser night-vision device based on autocollimator according to claim 3, it is characterised in that：The reflective prestige
Remote mirror is Newtonian reflector, be provided with inside Newtonian reflector by incident laser reflex to video camera primary mirror and
Secondary mirror.
5. the laser night-vision device based on autocollimator according to claim 1, it is characterised in that：The video camera is
Gun shaped video camera not comprising imaging lens.
6. the laser night-vision device based on autocollimator according to claim 1, it is characterised in that：The laser lighting
Device includes laser and illumination camera lens, and laser is semiconductor laser, and illumination camera lens is continuous vari-focus laser lighting camera lens, is shone
Bright mirror head is coated with the anti-reflection film for improving laser transmittance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621407920.6U CN206237513U (en) | 2016-12-21 | 2016-12-21 | A kind of laser night-vision device based on autocollimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621407920.6U CN206237513U (en) | 2016-12-21 | 2016-12-21 | A kind of laser night-vision device based on autocollimator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206237513U true CN206237513U (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621407920.6U Active CN206237513U (en) | 2016-12-21 | 2016-12-21 | A kind of laser night-vision device based on autocollimator |
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| CN (1) | CN206237513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508589A (en) * | 2018-04-10 | 2018-09-07 | 周桂根 | It looks at totally positive image newton straight and reflects binoculars |
-
2016
- 2016-12-21 CN CN201621407920.6U patent/CN206237513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508589A (en) * | 2018-04-10 | 2018-09-07 | 周桂根 | It looks at totally positive image newton straight and reflects binoculars |
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