CN104227601B - A kind of four-quadrant photo detector clamping alignment device - Google Patents
A kind of four-quadrant photo detector clamping alignment device Download PDFInfo
- Publication number
- CN104227601B CN104227601B CN201410424813.3A CN201410424813A CN104227601B CN 104227601 B CN104227601 B CN 104227601B CN 201410424813 A CN201410424813 A CN 201410424813A CN 104227601 B CN104227601 B CN 104227601B
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- movable block
- deck
- adapter
- hole
- spring
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- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 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
- 238000013461 design Methods 0.000 description 2
- 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
- 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 kind of four-quadrant photo detector clamping alignment device, include the deck of round seat shape, adapter and movable block, adapter side sidewall has been screwed into manual bolts, deck is fixed on adapter top, deck step round tube hole bottom hole wall is provided with multiple circular groove, movable block is rotatably installed in deck step round tube hole bottom, movable block top is provided with boss, boss top interface installing hole is provided with light input interface, boss and movable block arrange optical window installing hole, between optical window installing hole top and interface installing hole, there is gap, optical window installing hole bottom is located at bottom movable block, movable block side sidewall is provided with spring and installs groove, spring is installed in groove and is provided with spring, movable block spring is installed in groove and is additionally provided with ball, the spring other end is pressed against ball. the present invention enormously simplify the frame for movement of device, has both effectively reduced testing cost, also simplify operating process, also reduces the requirement to tester simultaneously.
Description
Technical field
The present invention relates to photodetector test device field, specifically a kind of four-quadrant photo detector clamping alignment device.
Background technology
Four-quadrant photo detector is to be 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. Owing to these four detectors have essentially identical parameter characteristic, therefore it is applied to often as a kind of position sensitive detector in the fields such as target bearing measurement and tracking, such as photoelectricity collimation, photoelectricity alignment, optical electronic automatic tracking, angular surveying and displacement measurement etc. When using four-quadrant photo detector, require that four-quadrant uniformity consistency to be got well, crosstalk is low, owing to the quality of these parameters directly influences the degree of accuracy measured and position, therefore usually needs these parameters of four-quadrant photo detector are carried out performance test.
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 in the connecting rod of two-dimensional movement platform, either manually or automatically fine setting two-dimensional movement platform makes four quadrants of laser instrument scan detector successively, thus realizing the test of four-quadrant photo detector parameter.
In existing clamping and alignment device, at least there are the following problems:
1, needing by arriving accurate two-dimensional movement platform, whole testing cost is higher;
2, needing manually or automatically fine setting two-dimensional movement platform, whole fine setting operating process is complicated, and operator need certain professional technique to require and skilled operation degree, improve the requirement to tester.
Summary of the invention
It is an object of the invention 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 of 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 outside connection 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 up-narrow and down-wide step round tube hole, and deck center step round tube hole connects with adapter step round tube hole, described deck step round tube hole bottom hole wall is circumferentially evenly arranged 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, interface installing hole it is provided with from boss top to movable block, interface installing hole is provided with light input interface, boss below interface installing hole and be provided for the optical window installing hole that four-quadrant photo detector optical window is installed in movable block, between described optical window installing hole top and interface installing hole, there is gap, optical window installing hole bottom is located at bottom movable block and connects with adapter step round tube hole, described movable block side sidewall is radially provided with spring in movable block and installs groove, spring is installed in groove and has been radially arranged spring along movable block, spring one end is connected to spring and installs on groove cell wall, movable block spring is installed in groove and is additionally provided with and the ball of deck circular groove form fit, the described spring other end is pressed against ball.
Described a kind of four-quadrant photo detector clamping alignment device, it is characterised in that: described deck step round tube hole bottom hole wall is circumferentially provided with four circular grooves, 90 degree of interval between adjacent circular groove.
Described a kind of four-quadrant photo detector clamping alignment device, it is characterised in that: described movable block top also eccentric setting has screw hole, and screw hole place is screwed into and is provided with miniature lever.
Described a kind of four-quadrant photo detector clamping alignment device, it is characterised in that: described deck outer wall is circumferentially evenly arranged with multiple locating slot.
Described a kind of four-quadrant photo detector clamping alignment device, it is characterised 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 characterised in that: described deck, adapter are circumferentially provided with screw hole respectively, and deck, adapter are fixed as one by the screw being screwed in screw hole.
Described a kind of four-quadrant photo detector clamping alignment device, it is characterised in that: whole clamping alignment device surface blackening processes.
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 scanning successively four quadrants of photodetector. By calculating accurately and designing, we may insure that after rotating every time, laser instrument is all directed at the center of each quadrant of photodetector, namely it is positioned at 45 �� of four-quadrant photo detector local Coordinate System, 135 ��, 225 �� and 315 ��, so well ensure that the accuracy of four-quadrant photo detector parameter testing and reliability.
The invention have the advantages that
Overturn conventional four-quadrant photo detector clamping and alignment device completely, 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 present configuration top view.
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 structural 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 of 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 outside connection 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 up-narrow and down-wide step round tube hole, and deck 1 center step round tube hole connects with adapter 2 step round tube hole, deck 1 step round tube hole bottom hole wall is circumferentially evenly arranged 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, interface installing hole it is provided with from boss top to movable block, interface installing hole is provided with light input interface 8, boss below interface installing hole and be provided for the optical window installing hole 15 that four-quadrant photo detector optical window is installed in movable block 3, between optical window installing hole 15 top and interface installing hole, there is gap, optical window installing hole 15 bottom is located at bottom movable block 3 and connects with adapter 2 step round tube hole, movable block 3 side sidewall is radially provided with spring in movable block and installs groove 14, spring is installed in groove 14 and has been radially arranged spring 4 along movable block, spring 4 one end is connected to spring and installs on groove 14 cell wall, movable block 3 spring is installed in groove 14 and is additionally provided with and the ball 5 of deck 1 circular groove 10 form fit, spring 4 other end is pressed against ball 5.
Deck 1 step round tube hole bottom hole wall is circumferentially provided with four circular grooves 10,90 degree of interval between adjacent circular groove 10.
Movable block 3 top also eccentric setting has screw hole 13, screw hole place to be screwed into be provided with miniature lever 6.
Deck 1 outer wall is circumferentially evenly arranged 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 being screwed in screw hole 9.
Whole clamping alignment device surface blackening processes.
As shown in Figure 1 and Figure 2, the present invention includes retained part and alignment portion.
Retained part is standing part, is responsible for fixed installation four-quadrant photo detector, and it is mainly made up of deck 1, adapter 2 and manual bolts 7.
Alignment portion is movable part, by rotary moveable part, it is possible to making input optical signal be directed at the center of each quadrant of photodetector successively, it is mainly made up of movable block 3, spring 4, ball 5, miniature lever 6 and light input interface 8.
Whole clamping alignment device need to carry out blackening process, can outside veiling glare be absorbed, and when avoiding parameter testing, test result is impacted by outside veiling glare as far as possible.
As it is shown on figure 3, screw hole 9 is for realizing the fixing connection between deck 1 and adapter 2; By 4 screw holes 9, both can be formed a reliable standing part of unification.
Circular groove 10 realizes the elastic connection between deck 1 and movable block 3 for coordinating spring 4 and ball 5; Angle between 4 adjacent circular grooves 10 is 90 ��, it may be achieved each half-twist of movable block 3; When ball 4 rotates and rolls into circular groove 10, namely can determine that movable block 3 is rotated in place.
Locating slot 12 for being positioned at the test device of four-quadrant photo detector by clamping alignment device, it is ensured that when movable block 3 rotates, clamping alignment device maintains static, and each pin to guarantee four-quadrant photo detector is not forced deformation.
As shown in Figure 4, manual bolts 7 is arranged on the sidewall of adapter 2, is used for fixing four-quadrant photo detector, it may be achieved four-quadrant photo detector without tool ejector.
Locating slot 11 is used for positioning four-quadrant photo detector, the coordinate system of unified clamping alignment device and four-quadrant photo detector self, guarantee that rotate input optical signal is all directed at the center of each quadrant every time, is 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 according to different four-quadrant photo detectors, to guarantee alignment and the unification of two coordinate systems.
Install in groove 14 as it is shown in figure 5, spring 4 and ball 5 are sequentially placed at spring, can flexible fastening in the circular groove 10 of deck 1; During rotation, ball 5 holddown spring 4 so that it is the inwall along deck 1 rolls, when rolling into circular groove 10, namely can determine whether to be rotated in place.
Miniature lever 6 is fixed in screw hole 13, can with light input interface 8 with the use of, it is achieved the rotation of movable block 3;
Light input interface 8, for realizing the input of external optical signal; When design, sufficiently small space is left between its bottom and four-quadrant photo detector optical window, both guaranteed within the photosurface scope that light input signal is all incident upon photodetector, also ensured that light input adapter will not directly contact the optical window surface of photodetector, and caused 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 making some improvements and modifications, these improvements and modifications also should be regarded 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 of 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 outside connection step round tube hole top and adapter in adapter, and described screwed hole place has been screwed into manual bolts, described deck concentrically axle is fixed on adapter top, deck center has up-narrow and down-wide step round tube hole, and deck center step round tube hole connects with adapter step round tube hole, described deck step round tube hole bottom hole wall is circumferentially evenly arranged 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, interface installing hole it is provided with from boss top to movable block, interface installing hole is provided with light input interface, boss below interface installing hole and be provided for the optical window installing hole that four-quadrant photo detector optical window is installed in movable block, between described optical window installing hole top and interface installing hole, there is gap, optical window installing hole bottom is located at bottom movable block and connects with adapter step round tube hole, described movable block side sidewall is radially provided with spring in movable block and installs groove, spring is installed in groove and has been radially arranged spring along movable block, spring one end is connected to spring and installs on groove cell wall, movable block spring is installed in groove and is additionally provided with and the ball of deck circular groove form fit, the described spring other end is pressed against ball.
2. a kind of four-quadrant photo detector clamping alignment device according to claim 1, it is characterised in that: described deck step round tube hole bottom hole wall is circumferentially provided with four circular grooves, 90 degree of interval between adjacent circular groove.
3. a kind of four-quadrant photo detector clamping alignment device according to claim 1, it is characterised in that: described movable block top also eccentric setting has screw hole, 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, it is characterised in that: described deck outer wall is circumferentially evenly arranged with multiple locating slot.
5. a kind of four-quadrant photo detector clamping alignment device according to claim 1, it is characterised 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 characterised in that: described deck, adapter are circumferentially provided with screw hole respectively, and deck, adapter are fixed as one by the screw being screwed in screw hole.
7. a kind of four-quadrant photo detector clamping alignment device according to claim 1, it is characterised in that: whole clamping alignment device surface blackening processes.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN104227601A CN104227601A (en) | 2014-12-24 |
| CN104227601B true CN104227601B (en) | 2016-06-08 |
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| CN201410424813.3A Expired - Fee Related CN104227601B (en) | 2014-08-26 | 2014-08-26 | A kind of four-quadrant photo detector clamping alignment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 | Priority date | Publication date | Assignee | Title |
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| US4307934A (en) * | 1978-05-08 | 1981-12-29 | General Dynamics, Pomona Division | Packaged fiber optic modules |
| CN103376673B (en) * | 2012-04-20 | 2015-06-17 | 上海微电子装备有限公司 | Pre-alignment device and pre-alignment method |
| CN103226057B (en) * | 2013-03-27 | 2015-04-08 | 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 |
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| CN104227601A (en) | 2014-12-24 |
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Granted publication date: 20160608 |