CN207717102U - A kind of autocollimator caliberating device - Google Patents
A kind of autocollimator caliberating device Download PDFInfo
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- CN207717102U CN207717102U CN201721887685.1U CN201721887685U CN207717102U CN 207717102 U CN207717102 U CN 207717102U CN 201721887685 U CN201721887685 U CN 201721887685U CN 207717102 U CN207717102 U CN 207717102U
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- autocollimator
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- sound insulation
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Abstract
The utility model provides a kind of autocollimator caliberating device, including autocollimator to be calibrated (1), High-precision standard autocollimator (4), double mirror (2), electrical turntable (3), air floating platform (7) and dust-proof sound insulation case (8)；The autocollimator to be calibrated (1), High-precision standard autocollimator (4) are positioned on air floating platform (7), electrical turntable (3) is positioned over autocollimator to be calibrated (1) and High-precision standard autocollimator (4) is intermediate, double mirror (2) is disposed vertically on electrical turntable (3), and entire air floating platform (7) is positioned in dust-proof sound insulation case (8)；The autocollimator to be calibrated (1) and High-precision standard autocollimator (4) also carries out communication with respective Computerized analysis system and connect.Using double mirror, autocollimator to be calibrated is demarcated by High-precision standard autocollimator, it can be to autocollimator accurate calibration to be calibrated.
Description
Technical field
The utility model is related to the calibration technique field of autocollimator, more particularly to a kind of autocollimator caliberating device.
Background technology
Autocollimator passes through system focal length and the offset of the opposite zero-bit of target point according to Auto-collimation angular measurement principle
Calculate pitch angle and lateral swinging angle.But the theoretical value due to focal length is different from actual value after assembly, and focal length measurement ratio after assembly
It is more difficult, therefore autocollimator need to be demarcated.
Currently, the method for realizing autocollimator calibration both at home and abroad mainly has piecemeal standardization, benchmark calibration method, laser interference
Instrument standardization and space angle autocollimator standardization etc..
In addition, the Chinese patent of 204514282 U of Publication No. CN provides a kind of Two-Axis Autocollimator caliberating device,
Autocollimator is demarcated using theodolite.
Existing scaling method is of high cost, sets up difficulty, and calibration range and precision are restricted.
Invention content
In order to solve the problems, such as described in background technology, the utility model provides a kind of autocollimator caliberating device, using double
Face speculum demarcates autocollimator to be calibrated by High-precision standard autocollimator, can be to autocollimator to be calibrated
Accurate calibration.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of autocollimator caliberating device, including it is autocollimator to be calibrated (1), High-precision standard autocollimator (4), two-sided
Speculum (2), electrical turntable (3), air floating platform (7) and dust-proof sound insulation case (8)；
The autocollimator to be calibrated (1), High-precision standard autocollimator (4) are positioned on air floating platform (7), electronic
Turntable (3) is positioned over autocollimator to be calibrated (1) and High-precision standard autocollimator (4) is intermediate, and double mirror (2) is vertically put
It is placed on electrical turntable (3), entire air floating platform (7) is positioned in dust-proof sound insulation case (8)；
The autocollimator to be calibrated (1) and High-precision standard autocollimator (4) is also analyzed with respective computer
System carries out communication connection.
The dust-proof sound insulation case (8) is body structure, and cabinet panel is using black acoustic material, the bottom of box
Sky, front and rear sides are equipped with door.
Described High-precision standard autocollimator (4) measurement accuracy is more than autocollimator to be calibrated (1).
The double mirror (2) uses high-precision double mirror, reflectivity to be higher than 99%.
Compared with prior art, the utility model has the beneficial effects that：
1, a kind of autocollimator caliberating device of the utility model passes through High-precision standard autocollimatic using double mirror
Straight instrument demarcates autocollimator to be calibrated, can be to autocollimator accurate calibration to be calibrated；
2, a kind of autocollimator caliberating device of the utility model, using double mirror, air floating platform, which has completely cut off, to be come from
Most of vibration influence in ground and air；
3, a kind of autocollimator caliberating device of the utility model, whole device is placed in dust-proof sound insulation case, isolation
Ambient light, dust and the most of of sound influence, the two equipment ensure that the result that entire calibration system provides is more accurate
Really.
Description of the drawings
Fig. 1 is a kind of structure chart of autocollimator caliberating device of the utility model；
Fig. 2 is a kind of dust-proof sound insulation casing structure figure of autocollimator caliberating device of the utility model.
Wherein：1- autocollimator 2- double mirrors 3- electrical turntables 4- High-precision standards autocollimator 5- to be calibrated
One 6- laptops of laptop, the two left right sliding doors of sliding door 10- of the dust-proof sound insulation case 9- of 7- air floating platforms 8-
The upper sliding groove 12- lower sliders slot 13- plastic handles of 11-.
Specific implementation mode
Specific implementation mode provided by the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of autocollimator caliberating device, including autocollimator to be calibrated (1), High-precision standard auto-collimation
Instrument (4), double mirror (2), electrical turntable (3), air floating platform (7) and dust-proof sound insulation case (8)；
The autocollimator to be calibrated (1), High-precision standard autocollimator (4) are positioned on air floating platform (7), electronic
Turntable (3) is positioned over autocollimator to be calibrated (1) and High-precision standard autocollimator (4) is intermediate, and double mirror (2) is vertically put
It is placed on electrical turntable (3), entire air floating platform (7) is positioned in dust-proof sound insulation case (8)；
The autocollimator to be calibrated (1) and High-precision standard autocollimator (4) is also analyzed with respective computer
System carries out communication connection.
The Computerized analysis system that the autocollimator to be calibrated (1) and High-precision standard autocollimator (4) is connected
Can be laptop, PC computers or industrial control computer.In Fig. 1 and what autocollimator to be calibrated (1) connected is notebook
What computer (5) and High-precision standard autocollimator (4) connected is laptop (6).
As shown in Fig. 2, the dust-proof sound insulation case (8) is body structure, cabinet panel uses black acoustic material, case
Body bottom is sky, and front and rear sides are equipped with door.
Fig. 2 is the design structure embodiment of dust-proof sound insulation case (8), and in figure, dust-proof sound insulation case (8) is using symmetrical structure
It makes, covers all entire calibration system.Aluminium alloy may be used and do frame support, with the black hard plate system of dust-proof sound insulation
At.There are two overlapping sliding door (9) and (10) for lateral layout, and there are one the sliding grooves (12) for being located at bottom.Slidable panels
Top be embedded into the sliding groove in overlying guide rail (11).Sliding door is attached to plastic handles (13).Dust-proof sound insulation case (8) peace
Dress black hard plate is used for preventing the influence of stray light.
The hard acoustic material that the dust-proof sound insulation case (8) uses, such as：The complex sound insulation glass magnesium of its dagger-axe acoustics
Plate is effectively isolated 80% sound, 36-57 decibels of sound insulation coefficient.
Described High-precision standard autocollimator (4) measurement accuracy is more than autocollimator to be calibrated (1).
The double mirror (2) uses high-precision double mirror, reflectivity to be higher than 99%.
In the embodiment that Fig. 1 is provided, autocollimator (1) to be calibrated, High-precision standard autocollimator (4) are a kind of two dimensions
Dual axis photoelectric autocollimation, but High-precision standard autocollimator (4) measurement accuracy is more than autocollimator to be calibrated (1), such as：Such as
Fruit autocollimator to be calibrated (1) model CA300, measurement accuracy 0.3 ", then High-precision standard autocollimator (4) be selected as type
Number CA860, measurement accuracy 0.1 ".
The electrical turntable (3) is the conventional use of two-dimentional electrical turntable of optical field, such as：Section's skill instrument
RGV100BG。
The air floating platform (7) is the conventional use of air floating platform of optical field, such as：Serial half films of ZTP stood upright
Chip air supporting vibration isolation optical table.
The calibration process and principle of autocollimator caliberating device illustrated below：
Step 1: first putting all devices by the position of Fig. 1, and all devices are connected and powered on.It opens anti-
The door of dirt sound insulation case (8), internal structure easy to operation.Electrical turntable (3) does not deflect, and is disposed vertically double mirror above
(2), two faces of double mirror (2) are substantially parallel.Two faces of double mirror (2) are made to be respectively facing standard high-precision certainly
Collimator (4) and autocollimator to be calibrated (1).
Step 2: pitching and the deflection angle of adjustment High-precision standard autocollimator (4) so that returned from double mirror 2
The light returned can be imaged on High-precision standard autocollimator (4), and level off to its optical axis center as possible.Its imaging results passes through
Computer (6) is observed.
Step 3: operating autocollimator to be calibrated (1) at this time, its imaging on computer (5) is made also to level off to oneself
Optical axis center.The door for shutting dust-proof sound insulation case (8), keeps whole system closed, and specific calibration experiment is done after standing 24 hours.
Here 24 hours are stood so that the temperature of system equipment is consistent with environment temperature, can be reduced temperature in this way and be read to system
The drift of generation.Next can start to do calibration experiment.
Step 4: standard autocollimator (4) and autocollimator to be calibrated (1) are dual axis photoelectric autocollimations with high precision
For, electrical turntable (3) is then two-dimentional electrical turntable, there is horizontal and pitching both direction degree of freedom.After system is closed,
Peripheral operation electrical turntable, to after one angular deflection of level, reading standard ultra-precise autocollimator (4) is on computer (6)
Side-sway angle value.
Step 5: inputting corresponding angle in the calibrating procedure of autocollimator to be measured (1), as primary calibration, two are given
One low-angle amount of movement of electrical turntable (3) horizontal direction is tieed up, the double mirror above turntable (2) is relative to light pipe side at this time
To angular deflection occurs, it is reflected in angled variation on computer (6), records current angular.
Step 6: corresponding angle is inputted in the calibrating procedure of autocollimator to be measured (1), as second of calibration number
According to repeating the above process 10 times, according to 10 lateral swinging angle calculated level direction pixel equivalents, obtain horizontal direction calibration knot
Fruit.
Step 7: with the principle of step 6, one pitch orientation angular deflection of electrical turntable is given in outside, it is high to read standard
Pitch angle angle value of the precision autocollimator (4) on computer (6) is inputted in the calibrating procedure of autocollimator to be measured (1) and is corresponded to
Angle give two-dimentional electrical turntable (3) horizontal direction one low-angle amount of movement, at this time above turntable as primary calibration
Relative to light pipe direction angular deflection occurs for double mirror (2), is reflected in angled variation on computer (6), and record works as anterior angle
Degree, inputs corresponding angle in the calibrating procedure of autocollimator 1 to be measured, as second of nominal data, repeats the above process
10 times, according to 10 pitch angle calculated level direction pixel equivalents, obtain pitch orientation calibration result.
Above example is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (4)
1. a kind of autocollimator caliberating device, which is characterized in that including autocollimator to be calibrated (1), High-precision standard auto-collimation
Instrument (4), double mirror (2), electrical turntable (3), air floating platform (7) and dust-proof sound insulation case (8)；
The autocollimator to be calibrated (1), High-precision standard autocollimator (4) are positioned on air floating platform (7), electrical turntable
(3) it is intermediate that autocollimator to be calibrated (1) and High-precision standard autocollimator (4) are positioned over, double mirror (2) be disposed vertically in
On electrical turntable (3), entire air floating platform (7) is positioned in dust-proof sound insulation case (8)；
The autocollimator to be calibrated (1) and High-precision standard autocollimator (4) also with respective Computerized analysis system into
Row communication connection.
2. a kind of autocollimator caliberating device according to claim 1, which is characterized in that the dust-proof sound insulation case
(8) it is body structure, it is sky that cabinet panel, which uses black acoustic material, the bottom of box, and front and rear sides are equipped with door.
3. a kind of autocollimator caliberating device according to claim 1, which is characterized in that the High-precision standard autocollimatic
Straight instrument (4) measurement accuracy is more than autocollimator to be calibrated (1).
4. a kind of autocollimator caliberating device according to claim 1, which is characterized in that the double mirror (2)
Using high-precision double mirror, reflectivity is higher than 99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887685.1U CN207717102U (en) | 2017-12-28 | 2017-12-28 | A kind of autocollimator caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887685.1U CN207717102U (en) | 2017-12-28 | 2017-12-28 | A kind of autocollimator caliberating device |
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| Publication Number | Publication Date |
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| CN207717102U true CN207717102U (en) | 2018-08-10 |
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| CN201721887685.1U Active CN207717102U (en) | 2017-12-28 | 2017-12-28 | A kind of autocollimator caliberating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470270A (en) * | 2018-11-20 | 2019-03-15 | 中国船舶重工集团公司第七0七研究所 | A kind of method that inertial navigation set maintenance reassembles |
-
2017
- 2017-12-28 CN CN201721887685.1U patent/CN207717102U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470270A (en) * | 2018-11-20 | 2019-03-15 | 中国船舶重工集团公司第七0七研究所 | A kind of method that inertial navigation set maintenance reassembles |
| CN109470270B (en) * | 2018-11-20 | 2022-04-12 | 中国船舶重工集团公司第七0七研究所 | Inertial navigation equipment maintenance repair method |
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