CN202583606U - High-precision portable wide-spectrum collimating device - Google Patents
High-precision portable wide-spectrum collimating device Download PDFInfo
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- CN202583606U CN202583606U CN2012202412394U CN201220241239U CN202583606U CN 202583606 U CN202583606 U CN 202583606U CN 2012202412394 U CN2012202412394 U CN 2012202412394U CN 201220241239 U CN201220241239 U CN 201220241239U CN 202583606 U CN202583606 U CN 202583606U
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- aspheric surface
- axis aspheric
- connection block
- housing
- surface catoptron
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Abstract
The utility model discloses a high-precision portable wide-spectrum collimating device. A primary off-axis non-spherical reflector is connected with a primary mirror connecting base. The primary mirror connecting base is fixed on a side face of a housing through a primary mirror connecting base fastening screw. A secondary off-axis non-spherical reflector is connected with a secondary connecting base. A secondary connecting base fastening screw is adopted for fixing the secondary connecting base on a side face of the housing. The horizontal position of the primary off-axis non-spherical reflector is opposite to the horizontal position of the secondary off-axis non-spherical reflector are opposite. A parallel light output hole is arranged in the side face of the housing and is opposite to the primary off-axis non-spherical reflector. A lens protecting cover is screwed in the parallel light output hole through threads. A pedestal is installed on the bottom face of the housing through a pedestal fastening screw. A handle is arranged on the upper end of the housing. The high-precision portable wide-spectrum collimating device provided by the utility model can be used for a field of the detection of visible light, laser, infrared optical systems, and has characteristics of high precision, wide spectrum, small size, low weight and low cost. And the high-precision portable wide-spectrum collimating device can be applied to online performance detection of the optical systems having different wavelengths.
Description
Technical field
The utility model relates to the optical system detection field, more specifically relates to the wide spectrum parallel light tube of a kind of high-accuracy portable device, is applied to the optical index detection range of multi-wavelength optical system.
Background technology
The parallel light tube device is the optical system that is used to simulate the infinity target; Its ultimate principle is, target placed the focal plane position of optical system, after the reflection or refraction of target pattern through lens set in the optical system; The output of formation directional light, thereby the target of simulation unlimited distance.Its widespread usage is at visible light, laser, Performance of Optical System index detection range such as infrared.In order to guarantee the high precision of the depth of parallelism, must improve the focal length of parallel light tube.Common parallel light tube adopts spherical reflector primary event or off-axis aspheric mirror to add the light path design of a plane mirror Secondary Emission; Under go-no-go and focal length requirement, the length of the parallel light tube that processes, volume are all bigger, and; Common parallel light tube all adopts optical glass to make eyeglass; Because optical glass density is high, causes eyeglass weight big, processing cost is high.Therefore, common parallel light tube can only be placed on factory or laboratory and use because volume weight is big, can't satisfy portable online detection demand.
China utility model patent CN200910060891.9 provides a kind of method of small-sized parallel light tube; Its technological approaches is through in metal sleeve, placing an Infrared Lens, the hollow out metallic target is placed the focal plane of Infrared Lens, realizing the simulation of distant object.Though this method has reduced the volume of parallel light tube to a certain extent, focal length also reduces thereupon, causes accuracy of detection lower, and because what adopt is Infrared Lens, has aberration, can only satisfy the testing requirement of narrow spectral range.China utility model patent CN201903683U proposes, and adopts the light channel structure of a non-spherical reflector and a plane mirror to make up the little parallel light tube of a kind of infrared target, and this method has been dwindled the volume of parallel light tube under the prerequisite of same focal length; But owing to only adopted a non-spherical reflector, in order to guarantee picture element, very high to the processing request of non-spherical reflector; Cost is high; And, because maximum employing optical glass material causes aspheric mirror weight big.Parallel light tube described in " infrared technique " the 32nd volume the 2nd phase paper " based on a catadioptric formula parallel light tube objective lens design that leaves of 1.06/1.54um laser " adopts off-axis parabolic mirror to add the catadioptric structure of compensating glass group; Though the compensating glass group compensates aberration; But the design of off-axis parabolic mirror still needs the equation of higher degree; Difficulty of processing is big, and the whole optical path design is compact inadequately, and volume is bigger.
Summary of the invention
For solving the problem that common parallel light tube volume weight is big, spectrum is narrow, cost is high; The purpose of the utility model is to be to provide the wide spectrum parallel light tube of a kind of high-accuracy portable device; This device can be used for the device of visible light, laser, infrared optical system detection range simulation unlimited distance target; Have precision height, wide spectrum, little, in light weight, the low cost and other advantages of volume, the on-line performance that can be applicable to multi-wavelength's optical system detects.
In order to realize above-mentioned purpose, the utility model adopts following technical measures:
The wide spectrum parallel light tube of a kind of high-accuracy portable device; It is made up of housing, base, handle, main off-axis aspheric surface catoptron, primary mirror Connection Block, inferior off-axis aspheric surface catoptron, secondary mirror Connection Block, directional light delivery outlet, lens protecting cap, target pattern input hole, primary mirror Connection Block fixed screw, base fixed screw, secondary mirror Connection Block fixed screw; Main off-axis aspheric surface catoptron is connected with the primary mirror Connection Block, adopts primary mirror Connection Block fixed screw that the primary mirror Connection Block is fixed on side, can regulate the angle of inclination of main off-axis aspheric surface catoptron through adjustment primary mirror Connection Block fixed screw; Inferior off-axis aspheric surface catoptron is connected with the secondary mirror Connection Block; Adopt secondary mirror Connection Block fixed screw that the secondary mirror Connection Block is fixed on and the relative side of main off-axis aspheric surface catoptron, height can be regulated the angle of inclination of time off-axis aspheric surface catoptron through adjustment secondary mirror Connection Block fixed screw below main off-axis aspheric surface catoptron; Target pattern input hole is opened in side; Relative with inferior off-axis aspheric surface catoptron, for the target pattern provides input channel, the directional light delivery outlet is opened in side; Relative with main off-axis aspheric surface catoptron; For directional light provides output channel, place the target at place, parallel light tube focal plane, get into enclosure interior through target pattern input hole; From the output of directional light delivery outlet, realize simulation infinite distance target source behind first after inferior off-axis aspheric surface catoptron, main off-axis aspheric surface catoptron two secondary reflections.Lens protecting cap is screwed in the directional light delivery outlet through screw thread, is used to prevent dust, and base is installed in the bottom surface of housing through the base fixed screw, is used for the sealing of whole optical system, and handle is positioned at the upper end of housing, is used for the portable of parallel light tube.
Silver-plated on the reflecting surface of main off-axis aspheric surface catoptron and time off-axis aspheric surface catoptron, increase reflectivity.
In order to guarantee to detect high precision; In limited volumetric spaces, adopt the long-focus requirement that twice folding light path guarantees parallel light tube; Adopting reflecting surface is the blind area area at the main off-axis aspheric surface catoptron minimizing light path center of concave surface; Thereby improve the picture element and the depth of parallelism, the employing reflecting surface is that the inferior off-axis aspheric surface catoptron of convex surface prolongs focal length, makes full use of the space.
In order to reduce the processing cost of main off-axis aspheric surface catoptron, cast out the high power of optics equation, reduce the difficulty of processing of 120mm bore master off-axis aspheric surface catoptron.Adopt time off-axis aspheric surface catoptron pairing parameter designing, remedy owing to cast out the loss of image quality that the high power of optics equation brings.
In order to alleviate the weight of parallel light tube device, adopt the duralumin material to process main off-axis aspheric surface catoptron, make the weight of this eyeglass reduce 37.2%, simultaneously, processing cost also reduces by 55%.
The beneficial effect of the utility model is:
The utility model adopts the light path design based on twice total reflection of master, inferior two off-axis aspheric surface catoptrons; Satisfied the test request of multi-wavelength, wide spectrum; Precision is high, low, the miniature portable of cost, under the prerequisite of volume 320*160*210mm, weight 4.7Kg, realizes the 720mm focal length.In order to alleviate the weight of parallel light tube device, adopt the duralumin material to process main off-axis aspheric surface catoptron, make the weight of this eyeglass reduce 37.2%, simultaneously, processing cost also reduces by 55%.
Description of drawings
Fig. 1 is the structural representation of the wide spectrum parallel light tube of a kind of high-accuracy portable device.
Fig. 2 is the light path design principle schematic of the wide spectrum parallel light tube of a kind of high-accuracy portable device.
Wherein: the 1-housing, the 2-base, the 3-handle, 4-master's off-axis aspheric surface catoptron, 5-primary mirror Connection Block,
6-off-axis aspheric surface catoptron, 7-secondary mirror Connection Block, 8-directional light delivery outlet, the 9-lens protecting cap,
10-target pattern input hole, 11-primary mirror Connection Block fixed screw, 12-base fixed screw,
13-secondary mirror Connection Block fixed screw.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explain:
Can know that according to Fig. 1 main off-axis aspheric surface catoptron 4 is connected with primary mirror Connection Block 5, adopt primary mirror Connection Block fixed screw 11 that primary mirror Connection Block 5 is fixed on housing 1 side; Can regulate the angle of inclination of main off-axis aspheric surface catoptron 4 through adjustment primary mirror Connection Block fixed screw 11, inferior off-axis aspheric surface catoptron 6 is connected with secondary mirror Connection Block 7, and employing secondary mirror Connection Block fixed screw 13 is fixed on the side relative with main off-axis aspheric surface catoptron 4 with secondary mirror Connection Block 7; Height is at main off-axis aspheric surface catoptron below 4; Can regulate the angle of inclination of time off-axis aspheric surface catoptron 6 through adjustment secondary mirror Connection Block fixed screw 13, target pattern input hole 10 is opened in housing 1 side, and is relative with inferior off-axis aspheric surface catoptron 6; For the target pattern provides input channel; Directional light delivery outlet 8 is opened in housing 1 side, and is relative with main off-axis aspheric surface catoptron 4, for directional light provides output channel; Place the target at place, parallel light tube focal plane; Get into housings 1 inside through target pattern input hole 10, earlier after behind the inferior off-axis aspheric surface catoptron 6,4 liang of secondary reflections of main off-axis aspheric surface catoptron from 8 outputs of directional light delivery outlet, realize simulation infinite distance target source.Lens protecting cap 9 is screwed in the directional light delivery outlet 8 through screw thread, is used to prevent dust, and base 2 is installed in the bottom surface of housing 1 through base fixed screw 12, is used for the sealing of whole optical system, and handle 3 is positioned at the upper end of housing, is used for the portable of parallel light tube.Silver-plated on the reflecting surface of main off-axis aspheric surface catoptron 4 and time off-axis aspheric surface catoptron 6, to increase reflectivity.
In order to cut down finished cost, add the high power of having cast out the optics equation man-hour at main off-axis aspheric surface catoptron 4, reduce difficulty of processing.Adopt time off-axis aspheric surface catoptron 6 pairing parameter designing, remedy owing to cast out the loss of image quality that the high power of optics equation brings.
For alleviating the weight of parallel light tube device, main off-axis aspheric surface catoptron 4 adopts the duralumin material to process, and inferior off-axis aspheric surface catoptron 6 adopts glass material to process.
The parallel light tube of the utility model is a mancarried device, and therefore, the parallel light tube device is installed in structure will take into full account vibrationproof, shock resistance requirement.For this reason; Aluminium matter eyeglass and glass mirror all adopt solid airtight structure; All have corresponding supporting eyeglass Connection Block to be attached thereto, the eyeglass Connection Block adopts high-strength material, with the eyeglass strictness that will fix supporting; Impulsive force, vibration force are evenly distributed, the possibility that alleviates the eyeglass distortion and damage on the minute surface body.With eyeglass and Connection Block matched and fixed, the Connection Block that will have fine adjustment mechanism then is fixed on the casing earlier, and all install and fix screw and all carry out gluing.
Claims (3)
1. the wide spectrum parallel light tube of high-accuracy portable device; It comprises base (2), main off-axis aspheric surface catoptron (4), primary mirror Connection Block (5), inferior off-axis aspheric surface catoptron (6), secondary mirror Connection Block (7), primary mirror Connection Block fixed screw (11), secondary mirror Connection Block fixed screw (13); It is characterized in that: main off-axis aspheric surface catoptron (4) is connected with primary mirror Connection Block (5); Primary mirror Connection Block (5) is fixed on housing (1) side through primary mirror Connection Block fixed screw (11); Inferior off-axis aspheric surface catoptron (6) is connected with secondary mirror Connection Block (7), adopts secondary mirror Connection Block fixed screw (13) that secondary mirror Connection Block (7) is fixed on another side of housing (1), and main off-axis aspheric surface catoptron (4) is relative with time off-axis aspheric surface catoptron (6) horizontal level; Height and position staggers up and down; Target pattern input hole (10) is positioned at housing (1) side, and is relative with inferior off-axis aspheric surface catoptron (6), and directional light delivery outlet (8) is positioned at housing (1) side; Relative with main off-axis aspheric surface catoptron (4); Lens protecting cap (9) is screwed in the directional light delivery outlet (8) through screw thread, and base (2) is installed in the bottom surface of housing (1) through base fixed screw (12), and handle (3) is positioned at the upper end of housing.
2. the wide spectrum parallel light tube of a kind of high-accuracy portable according to claim 1 device; It is characterized in that: described main off-axis aspheric surface catoptron (4) adopts duralumin materials processing, and described off-axis aspheric surface catoptron (6) adopts glass material processing.
3. the wide spectrum parallel light tube of a kind of high-accuracy portable according to claim 1 device is characterized in that: silver-plated on the reflecting surface of described main off-axis aspheric surface catoptron (4) and time off-axis aspheric surface catoptron (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202412394U CN202583606U (en) | 2012-05-25 | 2012-05-25 | High-precision portable wide-spectrum collimating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202412394U CN202583606U (en) | 2012-05-25 | 2012-05-25 | High-precision portable wide-spectrum collimating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583606U true CN202583606U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202412394U Expired - Fee Related CN202583606U (en) | 2012-05-25 | 2012-05-25 | High-precision portable wide-spectrum collimating device |
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| Country | Link |
|---|---|
| CN (1) | CN202583606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681196A (en) * | 2012-05-25 | 2012-09-19 | 中国人民解放军武汉军械士官学校 | High-precision portable wide-spectrum parallel light pipe device |
| CN110955015A (en) * | 2019-12-19 | 2020-04-03 | 中国科学院长春光学精密机械与物理研究所 | Wide-temperature-adaptability collimator reflector supporting structure |
-
2012
- 2012-05-25 CN CN2012202412394U patent/CN202583606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681196A (en) * | 2012-05-25 | 2012-09-19 | 中国人民解放军武汉军械士官学校 | High-precision portable wide-spectrum parallel light pipe device |
| CN110955015A (en) * | 2019-12-19 | 2020-04-03 | 中国科学院长春光学精密机械与物理研究所 | Wide-temperature-adaptability collimator reflector supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150525 |
|
| EXPY | Termination of patent right or utility model |