CN206339184U - Photodiode focal length test fixture - Google Patents
Photodiode focal length test fixture Download PDFInfo
- Publication number
- CN206339184U CN206339184U CN201621357948.3U CN201621357948U CN206339184U CN 206339184 U CN206339184 U CN 206339184U CN 201621357948 U CN201621357948 U CN 201621357948U CN 206339184 U CN206339184 U CN 206339184U
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- CN
- China
- Prior art keywords
- photodiode
- fixed
- focal length
- clamp system
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of photodiode focal length test fixture, it is related to electronic components test technical field；Including base, amesdial, clamp system, fiber gripper block, three-dimensional adjustable shelf；Three-dimensional adjustable shelf and fiber gripper block are all disposed within base；Clamp system is connected by fixed beam with three-dimensional adjustable shelf, and fixed beam is provided with the through hole being engaged with clamp system, and clamp system is set in through-holes；Fiber gripper block is arranged on clamp system bottom, and fiber gripper block is provided with the optical fiber duct of fixed optical fiber；Amesdial is fixed on base by fixed mount, and amesdial is above fixed beam；Simple in construction, easy to use, the focal length of energy testing photoelectronic diode expresses abstract focal length apparatus volume data.
Description
Technical field
The utility model is related to electronic components test technical field.
Background technology
Photodiode, it is that one kind can be converted into electric current or electricity by light according to occupation mode to be called photodiode
Press the photo-detector of signal.Tube core is often using a PN junction with photosensitive feature, and the change to light is very sensitive, with unidirectional
Electric conductivity, and can change electrology characteristic when light intensity difference, it therefore, it can change the electricity in circuit using illumination power
Stream.
Focal length, also referred to as focal length, are the metric forms of aggregation or the diverging of measurement light in optical system, refer to from lens centre
To the distance of the focus of light aggregation.
Photodiode is used in increasing electronic product, and the focal length of photodiode affects product quality,
Because the proximate nutrition of focal length is abstract, existing device can not be measured.
Utility model content
The technical problems to be solved in the utility model is that there is provided a kind of photodiode for above-mentioned the deficiencies in the prior art
Focal length test fixture, simple in construction, easy to use, the focal length of energy testing photoelectronic diode, abstract focal length apparatus volume data
Express.
In order to solve the above technical problems, technical solution adopted in the utility model is：Including base, amesdial, clamping
Mechanism, fiber gripper block, three-dimensional adjustable shelf；Three-dimensional adjustable shelf and fiber gripper block are all disposed within base；Clamp system passes through
Fixed beam is connected with three-dimensional adjustable shelf, and fixed beam is provided with the through hole being engaged with clamp system, and clamp system is arranged on through hole
In；Fiber gripper block is arranged on clamp system bottom, and fiber gripper block is provided with the optical fiber duct of fixed optical fiber；Amesdial passes through solid
Determine frame to be fixed on base, and amesdial is above fixed beam.
Preferably, clamp system includes locking cap, fix bar, fairlead, fix bar is externally provided with fairlead, fairlead with
Fix bar gap is locked, and fairlead is engaged with the through hole in fixed beam；Locking cap is arranged on fix bar bottom, locking cap
It is threadedly coupled with fix bar；Locking cap and fix bar bottom are designed with the mounting hole being engaged with photodiode；In fix bar
Portion is provided with the cavity that is connected with mounting hole, and cavity is longitudinally through fix bar inside, close to mounting hole site in the cavity of fix bar
Put and be fixed with pin.
Preferably, fairlead goes to upper and lower the cylindrical shape of opening, fairlead upper end is provided with the spacing ring of ring-type；It is oriented to
Set is formed around breach uniformly staggeredly, and breach one end extends through guiding set upper side or lower end.
Preferably, fiber gripper block is in I-shaped, fiber gripper block upper end is provided with optical fiber duct, and fiber gripper block is also set
There is the screw and screw first coordinated with optical fiber duct, screw is used for optical fiber fixation.
Preferably, the top and bottom of optical fiber duct are all V-shaped.
Preferably, fixed beam is in " T " font, fixed beam horizontal positioned, fixed beam one end is fixed on three-dimensional adjustable shelf.
It is using the beneficial effect produced by above-mentioned technical proposal：The utility model is simple in construction, easy to use, passes through
Fiber gripper block fixes optical fiber, is fixed photodiode by clamp system, and photosensitive two pole is adjusted by three-dimensional adjustable shelf
The position of pipe, the focal length for reading photodiode is shown by amesdial, formula photodiode can be surveyed by the utility model
Focal length, abstract focal length is come out with data representation, improves product quality by data, and then improves product quality, is improved
Product quality.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present utility model；
Fig. 2 is the cross-sectional view of clamp system in Fig. 1；
Fig. 3 is the structural representation of fairlead in Fig. 2；
Fig. 4 is the utility model use state schematic diagram.
In figure：1st, base；2nd, amesdial；3rd, clamp system；4th, fiber gripper block；5th, three-dimensional adjustable shelf；6th, fixed beam；7、
Locking cap；8th, fix bar；9th, fairlead；10th, pin；11st, photodiode；12nd, coupling power.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, be a kind of one embodiment of photodiode focal length test fixture of the utility model, including base
1st, amesdial 2, clamp system 3, fiber gripper block 4, three-dimensional adjustable shelf 5；Three-dimensional adjustable shelf 5 and fiber gripper block 4 are all disposed within
On base 1；Clamp system 3 is connected by fixed beam 6 with three-dimensional adjustable shelf 5, and fixed beam 6 is provided with and is engaged with clamp system 3
Through hole, clamp system 3 sets in through-holes；Fiber gripper block 4 is arranged on the bottom of clamp system 3, and fiber gripper block 4 is provided with
The optical fiber duct of fixed optical fiber；Amesdial 2 is fixed on base 1 by fixed mount, and amesdial 2 is in the top of fixed beam 6.
In use, optical fiber one end is fixed on fiber gripper block 4, the optical fiber other end is connected with coupling power 12, coupling electricity
Source 12 provides light to source for optical fiber, and photodiode 11 is fixed in clamp system 3, the one end of photodiode 11 and coupling power
12 are connected, and coupling power 12 is that photodiode 11 provides power supply；It can also be shown on coupling power 12 simultaneously and observe photosensitive two
The size that electric current flows through in pole pipe 11, it is photodiode 11 that the numerical value on amesdial 2 is read during by observing electric current maximum
Focal length.
Three-dimensional adjustable shelf 5 is used for the position for adjusting clamp system 3, because photodiode 11 can be placed on clamp system 3
In, and then have adjusted the position of photodiode 11；The probe of the bottom of amesdial 2 all the time with the surface structure of fixed beam 6, thousand points
The displacement of three-dimensional adjustable shelf 5 in the Z-axis direction is shown on table 2；Clamp system 3 is used to fix photodiode 11；Fiber gripper
Block 4 is used to fix optical fiber；Amesdial 2, on the top of fixed beam 6, is in order to which the lower probe of amesdial 2 will be all the time with consolidating when in use
Determine the upper surface of beam 6, the position that accurate detection photodiode 11 is moved；Fiber gripper block 4 is arranged under clamp system 3
Portion, it is easy to use in order to which in test, optical fiber gives photodiode 11 1 illumination；It is simple in construction by the present apparatus, by this
Device can fix photodiode 11 when testing photodiode 11, while the focal length of photodiode 11 can be tested, pass through
The present apparatus changes abstract focal length vertically, can improve product quality when photodiode 11 is used.
Preferably, as shown in Fig. 2 clamp system 3 includes locking cap 7, fix bar 8, fairlead 9, fix bar 8 is externally provided with
Fairlead 9, fairlead 9 is locked with the gap of fix bar 8, and fairlead 9 is engaged with the through hole in fixed beam 6；Locking cap 7 is set
Put in the bottom of fix bar 8, locking cap 7 is sleeved on the bottom of fix bar 8, locking cap 7 is threadedly coupled with fix bar 8；Locking cap 7 and solid
The bottom of fixed pole 8 is designed with the mounting hole being engaged with photodiode 11；The inside of fix bar 8 is provided with the sky being connected with mounting hole
Chamber, cavity longitudinally through fix bar 8 inside, be fixed with pin 10 close to position of mounting hole in the cavity of fix bar 8；Pin 10
Provided with pin 10 it is to be powered for convenience to photodiode 11 in fix bar 8 for 5pin pins, lock sleeve 7 is for locking light
Quick diode 11, being put into after photodiode 11 only need to turn locking cap 7 and can lock photodiode 11.
Preferably, as shown in figure 3, fairlead 9 goes to upper and lower the cylindrical shape of opening, the upper end of fairlead 9 is provided with ring-type
Spacing ring；Fairlead 9 is formed around breach uniformly staggeredly, and breach one end extends through guiding set upper side or lower end, fairlead 9
Dynamics is clamped when staggeredly eight breach uniformly staggeredly are to ensure that clamp system 3 is locked uniform, prevent that clamp system 3 from damaging
Bad, fairlead 9 coordinates with fixed beam 6 is fixed on clamp system 3 in fixed beam 6, and fix bar 8 coordinates with the gap of fairlead 9, lock
Tight cap 7 is locked photodiode 11 by screw thread, and the bottom surface of photodiode 11 is tightly touched with fix bar 8, can avoid because
Measurement error caused by the injustice that is loaded.
Preferably, fiber gripper block 4 is in I-shaped, the upper end of fiber gripper block 4 is provided with optical fiber duct, fiber gripper block 4
The screw and screw first coordinated with optical fiber duct is additionally provided with, screw is used for optical fiber fixation, the fiber gripper block 4 of I-shaped
In order to reserve enough spaces to optical fiber, optical fiber is softer, and in order to not damage optical fiber, the cooperation of screw and screw is put in optical fiber
After entering in optical fiber duct, in order to prevent that optical fiber from running out of, optical fiber is locked with screw, optical fiber is not moved, optical fiber duct is through I-shaped
The upper surface of fiber gripper block 4.
Preferably, the top and bottom of optical fiber duct are all V-shaped, should be optical fiber is circle, and the fixing hole of V-arrangement can be preferably
Lock optical fiber.
Preferably, fixed beam 6 is in " T " font, the horizontal positioned of fixed beam 6, one end of fixed beam 6 is fixed on three-dimensional adjustable shelf
On 5, fixed beam 6 is the bridge that connection clamps framework 3 and three-dimensional adjustable shelf 5, and the fixed beam 6 of " T " font makes fixed beam top and the bottom
It is amesdial 2 and fiber gripper block 4 that fractionation, which has enough spaces,；Fixed beam 6 can also be the structures such as L-shaped, be not limited to both
Structure.
Use process：
This is illustrated in figure 4 using new use state schematic diagram, optical fiber one end is clipped on fiber gripper block, optical fiber is another
One end is connected with the optical interface on coupling power, and coupling power provides the source of light for optical fiber；Photodiode is fixed on folder
In tight mechanism, photodiode one end connects the power interface of coupling power, and coupling power provides power supply for photodiode；Will
The probe of amesdial is in contact all the time with the upper surface of fixed beam, and the Z axis differential head on rotated three dimensional adjusting bracket drives photosensitive two
Pole pipe declines, when photodiode lens touch optical fiber upper surface end face, motor amesdial zero button；Difference rotated three dimensional
Tri- directional differential heads of adjusting bracket X, Y, Z, while observing the current value of coupling power photodiode shown above, current value
The vertical range in Z-direction is shown when maximum, on amesdial, the focal length of the numerical value, as photodiode on amesdial is read.
Operation principle：
Optical fiber provides light source, photofixation inconvenience, fiber-optic illuminated photodiode, fiber distance photosensitive two for photodiode
The focus of pole pipe is nearer, and the electric current in photodiode is bigger, so the focal length and electric current of photodiode are approximately linearly closed
System, when electric current is maximum, by the relative position of vertical direction between photodiode and optical fiber, can judge photodiode
The size of focal length；The current value in coupling process is monitored in real time with coupling power, when current value is maximum, is read above amesdial
Numerical value be focal length.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of photodiode focal length test fixture, it is characterised in that：Including base（1）, amesdial（2）, clamp system
（3）, fiber gripper block（4）, three-dimensional adjustable shelf（5）；The three-dimensional adjustable shelf（5）With fiber gripper block（4）It is all disposed within base
（1）On；Clamp system（3）Pass through fixed beam（6）With three-dimensional adjustable shelf（5）It is connected, fixed beam（6）It is provided with and clamp system
（3）The through hole being engaged, clamp system（3）Set in through-holes；The fiber gripper block（4）It is arranged on clamp system（3）Under
Portion, fiber gripper block（4）Optical fiber duct provided with fixed optical fiber；The amesdial（2）Base is fixed on by fixed mount（1）
On, and amesdial（2）In fixed beam（6）Top.
2. photodiode focal length test fixture according to claim 1, it is characterised in that the clamp system（3）Including
Locking cap（7）, fix bar（8）, fairlead（9）, fix bar（8）It is externally provided with fairlead（9）, fairlead（9）With fix bar（8）Between
Gap is locked, fairlead（9）With fixed beam（6）On through hole be engaged；Locking cap（7）It is arranged on fix bar（8）Bottom, lock
Tight cap（7）With fix bar（8）Threaded connection；Locking cap（7）And fix bar（8）Bottom is designed with and photodiode（11）Match
The mounting hole of conjunction；Fix bar（8）Inside is provided with the cavity being connected with mounting hole, and cavity is longitudinally through fix bar（8）Inside, Gu
Fixed pole（8）Cavity in be fixed with pin close to position of mounting hole（10）.
3. photodiode focal length test fixture according to claim 2, it is characterised in that the fairlead（9）Present,
The cylindrical shape of under shed, fairlead（9）Upper end is provided with the spacing ring of ring-type；Fairlead（9）Be formed around uniformly staggeredly lack
Mouthful, breach one end extends through fairlead（9）Upper end or lower end.
4. photodiode focal length test fixture according to claim 1, it is characterised in that the fiber gripper block（4）It is in
I-shaped, fiber gripper block（4）Upper end is provided with optical fiber duct, fiber gripper block（4）It is additionally provided with the screw first coordinated with optical fiber duct
And screw, screw is used for optical fiber fixation.
5. photodiode focal length test fixture according to claim 4, it is characterised in that the upper end of the optical fiber duct and
Lower end is all V-shaped.
6. photodiode focal length test fixture according to claim 1, it is characterised in that the fixed beam（6）In " T "
Font, fixed beam（6）Horizontal positioned, fixed beam（6）One end is fixed on three-dimensional adjustable shelf（5）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357948.3U CN206339184U (en) | 2016-12-12 | 2016-12-12 | Photodiode focal length test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357948.3U CN206339184U (en) | 2016-12-12 | 2016-12-12 | Photodiode focal length test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339184U true CN206339184U (en) | 2017-07-18 |
Family
ID=59308271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621357948.3U Expired - Fee Related CN206339184U (en) | 2016-12-12 | 2016-12-12 | Photodiode focal length test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206339184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100839A (en) * | 2018-10-30 | 2018-12-28 | 江苏法尔胜光电科技有限公司 | A kind of optical fiber and optical receiver module coupling device and method |
-
2016
- 2016-12-12 CN CN201621357948.3U patent/CN206339184U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100839A (en) * | 2018-10-30 | 2018-12-28 | 江苏法尔胜光电科技有限公司 | A kind of optical fiber and optical receiver module coupling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20191212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |