CN104227601A - Clamping and aligning device for four-quadrant photo detector - Google Patents
Clamping and aligning device for four-quadrant photo detector Download PDFInfo
- Publication number
- CN104227601A CN104227601A CN201410424813.3A CN201410424813A CN104227601A CN 104227601 A CN104227601 A CN 104227601A CN 201410424813 A CN201410424813 A CN 201410424813A CN 104227601 A CN104227601 A CN 104227601A
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- hole
- adapter
- movable block
- deck
- photo detector
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- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 8
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000000717 retained effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a clamping and aligning device for a four-quadrant photo detector. The clamping and aligning device comprises a circular-seat-shaped clamping seat, an adaptor and a moving block; a manual bolt is screwed in the side wall of one side of the adaptor; the clamping seat is fixed to the top of the adaptor; the lower hole wall of a stepped round through hole of the clamping seat is provided with a plurality of circular grooves; the moving block is rotationally arranged on the lower side of the stepped round through hole of the clamping seat; the top of the moving block is provided with a boss; an optical input interface is formed in an interface mounting hole in the top of the boss; an optical window mounting hole is arranged in the boss and the moving block; a gap is formed between the top end of the optical window mounting hole and the interface mounting hole; the bottom end of the optical window mounting hole is arranged at the bottom of the moving block; the side wall of one side of the moving block is provided with a spring mounting groove; a spring is arranged in the spring mounting groove; a ball is also arranged in the spring mounting groove of the moving block; the other end of the spring is abutted against the ball. The mechanical structure of the device is greatly simplified, the test cost is effectively reduced, the operating process is simplified, and the requirement on testers is reduced.
Description
Technical field
The present invention relates to photodetector testing arrangement field, specifically a kind of four-quadrant photo detector clamping alignment device.
Background technology
Four-quadrant photo detector is partitioned into four detectors on the same chip, and the photosurface of each detector occupies a quadrant in four quadrants, and centre has cross raceway groove to separate.Because these four detectors have substantially identical parameter characteristic, be therefore usually applied to as a kind of position sensitive detector in the fields such as target bearing measurement and tracking, as photoelectricity collimation, photoelectricity aligning, optical electronic automatic tracking, angular surveying and displacement measurement etc.When using four-quadrant photo detector, require that four-quadrant uniformity consistency will be got well, crosstalk is low, and the quality due to these parameters directly has influence on the accuracy measured and locate, and therefore usually needs to carry out performance test to these parameters of four-quadrant photo detector.
At present, when four-quadrant photo detector parameter being measured in industry, usually need the clamping by a set of complexity and alignment device, its basic way is: first gripped by four-quadrant photo detector, again laser instrument is fixed on the connecting rod of two-dimensional movement platform, manually or automatic fine tuning two-dimensional movement platform make four quadrants of laser instrument scan detector successively, thus realize the test of four-quadrant photo detector parameter.
In existing clamping and alignment device, at least there are the following problems:
1, need by the two-dimensional movement platform to precision, whole testing cost is higher;
2, need manual or automatic fine tuning two-dimensional movement platform, whole fine setting operating process is complicated, and operating personnel need certain professional technique to require and skilled operation degree, improve the requirement to tester.
summary of the inventionthe object of this invention is to provide a kind of four-quadrant photo detector clamping alignment device, to solve prior art Problems existing.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of four-quadrant photo detector clamping alignment device, it is characterized in that: include the deck being respectively round seat shape, adapter and movable block, described adapter center has up-narrow and down-wide step round tube hole, adapter side sidewall is radially provided with the screwed hole be communicated with outside step round tube hole top and adapter in adapter, and screwed hole place, adapter side has been screwed into manual bolts, described deck concentrically axle is fixed on adapter top, deck center has the step round tube hole of upper narrow complimentary close, and deck center step round tube hole is communicated with adapter step round tube hole, described deck step round tube hole bottom hole wall is circumferentially evenly provided with multiple circular groove, described movable block be rotatably installed in deck step round tube hole bottom and with deck concentrically axle, movable block top eccentric setting has boss, to movable block, interface installing hole is provided with from boss top, light input interface is installed in interface installing hole, the optical window installing hole installed for four-quadrant photo detector optical window is provided with in boss below interface installing hole and movable block, between described optical window installing hole top and interface installing hole, there is gap, optical window installing hole bottom to be located at bottom movable block and to be communicated with adapter step round tube hole, described movable block side sidewall is radially provided with spring fitting groove in movable block, in spring fitting groove, movable block radial direction is provided with spring, spring one end is connected on spring fitting groove cell wall, the ball with deck circular groove form fit is also provided with in movable block spring fitting groove, the described spring other end compresses ball.
Described a kind of four-quadrant photo detector clamping alignment device, is characterized in that: described deck step round tube hole bottom hole wall is circumferentially provided with four circular grooves, 90 degree, interval between adjacent circular groove.
Described a kind of four-quadrant photo detector clamping alignment device, is characterized in that: screw hole is arranged at described movable block top also eccentric setting, and screw hole place is screwed into and is provided with miniature lever.
Described a kind of four-quadrant photo detector clamping alignment device, is characterized in that: described deck outer wall is circumferentially evenly provided with multiple locating slot.
Described a kind of four-quadrant photo detector clamping alignment device, is characterized in that: described adapter step round tube hole upper portion side wall arranges locating slot.
Described a kind of four-quadrant photo detector clamping alignment device, it is characterized in that: described deck, adapter are circumferentially provided with screw hole respectively, and deck, adapter is fixed as one by the screw be screwed in screw hole.
Described a kind of four-quadrant photo detector clamping alignment device, is characterized in that: the process of whole clamping alignment device surface blackening.
The invention provides a kind of can the four-quadrant photo detector clamping alignment device of hand rotation, its basic thought is: by the clamping of four-quadrant photo detector and alignment portion, unified focuses among a simple device; Wherein retained part is standing part, primary responsibility fixed installation four-quadrant photo detector; Alignment portion is movable part, manually rotary moveable part, can make each half-twist of movable part, to realize four quadrants of scan light electric explorer successively.By calculating accurately and designing, after we can guarantee each rotation, the center of laser instrument all each quadrant of alignment light electric explorer, namely 45 ° of four-quadrant photo detector local Coordinate System, 135 °, 225 ° and 315 ° are positioned at, good like this accuracy and the reliability that ensure that four-quadrant photo detector parameter testing.
The present invention has the following advantages:
Overturn four-quadrant photo detector in the past completely to clamp and alignment device, enormously simplify the frame for movement of device, both effectively reduced testing cost, also simplify operating process, also reduce the requirement to tester simultaneously.
Accompanying drawing explanation
Fig. 1 is overall structure positive view of the present invention.
Fig. 2 is structure top view of the present invention.
Fig. 3 is cartridge structure schematic diagram in the present invention, wherein:
Fig. 3 a is cartridge structure positive view, and Fig. 3 b is cartridge structure upward view.
Fig. 4 is adapter base structure schematic diagram of the present invention, wherein:
Fig. 4 a is adapter base structure positive view, and Fig. 4 b is adapter base structure upward view.
Fig. 5 is movable block structural representation of the present invention, wherein;
Fig. 5 a is movable block structure positive view, and Fig. 5 b is movable block structure top view, and Fig. 5 c is movable block structure side view.
Detailed description of the invention
As Figure 1-Figure 5, a kind of four-quadrant photo detector clamping alignment device, include the deck 1 being respectively round seat shape, adapter 2 and movable block 3, adapter 2 center has up-narrow and down-wide step round tube hole, adapter 2 side sidewall is radially provided with the screwed hole be communicated with outside step round tube hole top and adapter in adapter 2, and screwed hole place, adapter 2 side has been screwed into manual bolts 7, deck 1 concentrically axle is fixed on adapter 2 top, deck 1 center has the step round tube hole of upper narrow complimentary close, and deck 1 center step round tube hole is communicated with adapter 2 step round tube hole, deck 1 step round tube hole bottom hole wall is circumferentially evenly provided with multiple circular groove 10, movable block 3 be rotatably installed in deck 1 step round tube hole bottom and with deck 1 concentrically axle, movable block 3 top eccentric setting has boss, to movable block, interface installing hole is provided with from boss top, light input interface 8 is installed in interface installing hole, the optical window installing hole 15 installed for four-quadrant photo detector optical window is provided with in boss below interface installing hole and movable block 3, between optical window installing hole 15 top and interface installing hole, there is gap, optical window installing hole 15 bottom to be located at bottom movable block 3 and to be communicated with adapter 2 step round tube hole, movable block 3 side sidewall is radially provided with spring fitting groove 14 in movable block, in spring fitting groove 14, movable block radial direction is provided with spring 4, spring 4 one end is connected on spring fitting groove 14 cell wall, the ball 5 with deck 1 circular groove 10 form fit is also provided with in movable block 3 spring fitting groove 14, spring 4 other end compresses ball 5.
Deck 1 step round tube hole bottom hole wall is circumferentially provided with four circular grooves 10,90 degree, interval between adjacent circular groove 10.
Screw hole 13 is arranged at movable block 3 top also eccentric setting, and screw hole place is screwed into and is provided with miniature lever 6.
Deck 1 outer wall is circumferentially evenly provided with multiple locating slot 12.
Adapter 2 step round tube hole upper portion side wall arranges locating slot 11.
Deck 1, adapter 2 are circumferentially provided with screw hole 9 respectively, and deck 1, adapter 2 are fixed as one by the screw be screwed in screw hole 9.
The process of whole clamping alignment device surface blackening.
As shown in Figure 1 and Figure 2, the present invention includes retained part and alignment portion.
Retained part is standing part, and be responsible for fixed installation four-quadrant photo detector, it forms primarily of deck 1, adapter 2 and manual bolt 7.
Alignment portion is movable part, and by rotary moveable part, can make the center of input optical signal each quadrant of alignment light electric explorer successively, it forms primarily of movable block 3, spring 4, ball 5, miniature lever 6 and light input interface 8.
Whole clamping alignment device need carry out blackening process, can absorb the veiling glare of outside, and when avoiding parameter testing, outside veiling glare impacts test result as far as possible.
As shown in Figure 3, screw hole 9 is for realizing being fixedly connected with between deck 1 and adapter 2; Both can be formed a reliable standing part of unification by 4 screw holes 9.
Circular groove 10 connects for coordinating spring 4 and ball 5 to realize elasticity between deck 1 and movable block 3; Angle between 4 adjacent circular grooves 10 is 90 °, can realize each half-twist of movable block 3; When ball 4 rotation rolls into circular groove 10, can judge that movable block 3 is rotated in place.
Locating slot 12 is for being positioned at the testing arrangement of four-quadrant photo detector by clamping alignment device, when ensureing that movable block 3 rotates, clamping alignment device maintains static, to guarantee that each pin of four-quadrant photo detector can not stress deformation.
As shown in Figure 4, manual bolt 7 is arranged on the sidewall of adapter 2, for fixing four-quadrant photo detector, can realize four-quadrant photo detector without tool ejector.
Locating slot 11 is for locating four-quadrant photo detector, the coordinate system of unified clamping alignment device and four-quadrant photo detector self, guarantee to rotate the center that input optical signal all aims at each quadrant at every turn, be namely positioned at 45 ° of four-quadrant photo detector local Coordinate System, 135 °, 225 ° and 315 °; The position of locating slot 11 and size design, should do corresponding conversion, to guarantee aligning and the unification of two coordinate systems according to different four-quadrant photo detectors.
As shown in Figure 5, spring 4 and ball 5 are placed in spring fitting groove 14 successively, can flexible fastening in the circular groove 10 of deck 1; During rotation, ball 5 holddown spring 4, makes its inwall along deck 1 roll, and when rolling into circular groove 10, can judge to be rotated in place.
Miniature lever 6 is fixed in screw hole 13, can with light input interface 8 with the use of, realize the rotation of movable block 3;
Light input interface 8, for realizing the input of external optical signal; When designing, enough little space is left between its bottom and four-quadrant photo detector optical window, both guaranteed that light input signal was all incident upon within the photosurface scope of photodetector, and also guaranteed that light input adapter directly can not touch the optical window surface of photodetector, cause optical window damaged;
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a four-quadrant photo detector clamping alignment device, it is characterized in that: include the deck being respectively round seat shape, adapter and movable block, described adapter center has up-narrow and down-wide step round tube hole, adapter side sidewall is radially provided with the screwed hole be communicated with outside step round tube hole top and adapter in adapter, and screwed hole place, adapter side has been screwed into manual bolts, described deck concentrically axle is fixed on adapter top, deck center has the step round tube hole of upper narrow complimentary close, and deck center step round tube hole is communicated with adapter step round tube hole, described deck step round tube hole bottom hole wall is circumferentially evenly provided with multiple circular groove, described movable block be rotatably installed in deck step round tube hole bottom and with deck concentrically axle, movable block top eccentric setting has boss, to movable block, interface installing hole is provided with from boss top, light input interface is installed in interface installing hole, the optical window installing hole installed for four-quadrant photo detector optical window is provided with in boss below interface installing hole and movable block, between described optical window installing hole top and interface installing hole, there is gap, optical window installing hole bottom to be located at bottom movable block and to be communicated with adapter step round tube hole, described movable block side sidewall is radially provided with spring fitting groove in movable block, in spring fitting groove, movable block radial direction is provided with spring, spring one end is connected on spring fitting groove cell wall, the ball with deck circular groove form fit is also provided with in movable block spring fitting groove, the described spring other end compresses ball.
2. a kind of four-quadrant photo detector clamping alignment device according to claim 1, is characterized in that: described deck step round tube hole bottom hole wall is circumferentially provided with four circular grooves, 90 degree, interval between adjacent circular groove.
3. a kind of four-quadrant photo detector clamping alignment device according to claim 1, is characterized in that: screw hole is arranged at described movable block top also eccentric setting, and screw hole place is screwed into and is provided with miniature lever.
4. a kind of four-quadrant photo detector clamping alignment device according to claim 1, is characterized in that: described deck outer wall is circumferentially evenly provided with multiple locating slot.
5. a kind of four-quadrant photo detector clamping alignment device according to claim 1, is characterized in that: described adapter step round tube hole upper portion side wall arranges locating slot.
6. a kind of four-quadrant photo detector clamping alignment device according to claim 1, it is characterized in that: described deck, adapter are circumferentially provided with screw hole respectively, and deck, adapter is fixed as one by the screw be screwed in screw hole.
7. a kind of four-quadrant photo detector clamping alignment device according to claim 1, is characterized in that: the process of whole clamping alignment device surface blackening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424813.3A CN104227601B (en) | 2014-08-26 | 2014-08-26 | A kind of four-quadrant photo detector clamping alignment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424813.3A CN104227601B (en) | 2014-08-26 | 2014-08-26 | A kind of four-quadrant photo detector clamping alignment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104227601A true CN104227601A (en) | 2014-12-24 |
| CN104227601B CN104227601B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410424813.3A Expired - Fee Related CN104227601B (en) | 2014-08-26 | 2014-08-26 | A kind of four-quadrant photo detector clamping alignment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104227601B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515452A (en) * | 2017-10-11 | 2017-12-26 | 西南石油大学 | A kind of lens mounting stand of adjustable angle |
| CN107731954A (en) * | 2017-11-24 | 2018-02-23 | 南京冠鼎光电科技有限公司 | Photodetector mounting structure |
| CN108054138A (en) * | 2017-12-14 | 2018-05-18 | 中国电子科技集团公司第四十研究所 | One kind tests antenna polarization high-speed adjustment device for RCS |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307934A (en) * | 1978-05-08 | 1981-12-29 | General Dynamics, Pomona Division | Packaged fiber optic modules |
| CN103226057A (en) * | 2013-03-27 | 2013-07-31 | 同济大学 | Multifunctional high-efficiency laser damage test device and method in vacuum environment |
| CN103376673A (en) * | 2012-04-20 | 2013-10-30 | 上海微电子装备有限公司 | Pre-alignment device and pre-alignment method |
| CN203696838U (en) * | 2014-01-21 | 2014-07-09 | 深圳中科卉而立生物科技有限公司 | Accurate positioning structure for photoelectric detection |
| CN204019409U (en) * | 2014-08-26 | 2014-12-17 | 中国电子科技集团公司第四十一研究所 | A kind of four-quadrant photo detector clamping alignment device |
-
2014
- 2014-08-26 CN CN201410424813.3A patent/CN104227601B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307934A (en) * | 1978-05-08 | 1981-12-29 | General Dynamics, Pomona Division | Packaged fiber optic modules |
| CN103376673A (en) * | 2012-04-20 | 2013-10-30 | 上海微电子装备有限公司 | Pre-alignment device and pre-alignment method |
| CN103226057A (en) * | 2013-03-27 | 2013-07-31 | 同济大学 | Multifunctional high-efficiency laser damage test device and method in vacuum environment |
| CN203696838U (en) * | 2014-01-21 | 2014-07-09 | 深圳中科卉而立生物科技有限公司 | Accurate positioning structure for photoelectric detection |
| CN204019409U (en) * | 2014-08-26 | 2014-12-17 | 中国电子科技集团公司第四十一研究所 | A kind of four-quadrant photo detector clamping alignment device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515452A (en) * | 2017-10-11 | 2017-12-26 | 西南石油大学 | A kind of lens mounting stand of adjustable angle |
| CN107731954A (en) * | 2017-11-24 | 2018-02-23 | 南京冠鼎光电科技有限公司 | Photodetector mounting structure |
| CN108054138A (en) * | 2017-12-14 | 2018-05-18 | 中国电子科技集团公司第四十研究所 | One kind tests antenna polarization high-speed adjustment device for RCS |
| CN108054138B (en) * | 2017-12-14 | 2020-06-19 | 中国电子科技集团公司第四十一研究所 | Be used for RCS test antenna polarization quick adjustment device |
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| Publication number | Publication date |
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| CN104227601B (en) | 2016-06-08 |
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