CN109374931A - A kind of LED discrete part adaptive testing fixture - Google Patents
A kind of LED discrete part adaptive testing fixture Download PDFInfo
- Publication number
- CN109374931A CN109374931A CN201811119256.9A CN201811119256A CN109374931A CN 109374931 A CN109374931 A CN 109374931A CN 201811119256 A CN201811119256 A CN 201811119256A CN 109374931 A CN109374931 A CN 109374931A
- Authority
- CN
- China
- Prior art keywords
- movable rod
- fixture block
- electrode
- led
- guide groove
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses a kind of LED discrete part adaptive testing fixture, including testboard, fixture block, electrode thimble and guide rail, fixture block and electrode thimble are symmetrically distributed in mounting base two sides, and the upper end of fixture block and electrode thimble passes through the first guide groove and stretches out testboard；The lower end of fixture block offsets with the guide rail, guide rail is equipped with the second guide groove, the lower end of electrode thimble passes through the second guide groove and hinged with the first movable rod, first motion bar and the second motion bar are hinged, two fixed connecting rods are symmetrically arranged in mounting base, it is hinged among fixed link and the second movable rod, extension spring is equipped between two electrode thimbles, the lower end of electrode thimble is cased with the first compressed spring, first compressed spring one end offsets with guide rail, the other end offsets with the first movable rod, and the second compressed spring is equipped between two second movable rods.
Description
Technical field
The present invention relates to test fixtures, in particular for the fixture of LED integrating sphere measurement.
Background technique
With the extensive use of LED, the specification and model of LED product are also constantly increasing, and carry out light to LED at present
The tooling of electric performance test is tailored version, i.e., a kind of LED product of model corresponds to a kind of test fixture of style, different model
LED test fixture between be difficult to it is general.Such situation causes very big trouble to the test of LED, and this requires LED to produce
A kind of every LED product for producing model of enterprise will buy a set of test fixture for specially testing such model, this not only gives enterprise
Industry increases equipment investment fund, improves production cost；And ordinary circumstance test fixture is given birth to according to test product
, this will result in the LED of new model a kind of may can not be right because not having test fixture when just developing
Its test for carrying out photoelectric properties, to also can not promptly and accurately obtain the performance indicator of this new product.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of LED discrete part adaptive testing fixture, versatilities
By force, it can be applicable in the integrating sphere measurement of the LED discrete part of different model, and simple and quick.
In order to solve the above technical problems, the technical scheme is that a kind of LED discrete part adaptive testing presss from both sides
Tool, including testboard, two fixture blocks, two electrode thimbles and the guide rail below the testboard, the testboard bottom
Middle position is equipped with mounting base, and the fixture block and electrode thimble are symmetrically distributed in the mounting base two sides；It is right on the testboard
It answers and is equipped with the first guide groove at the electrode thimble, the upper end of the fixture block and electrode thimble passes through first guide groove and stretches
Testboard out；The lower end of the fixture block offsets with the guide rail, and the guide rail is equipped with the second guide groove, the electrode thimble
Lower end passes through second guide groove and is articulated with point A, the lower end of first movable rod with the upper end of the first movable rod
It is articulated with point B with the upper end of the second movable rod, the lower end of second movable rod and one end of hand lever are fixedly connected on
Point C is symmetrically arranged with two fixed connecting rods in the mounting base, and one end of the fixed connecting rod is fixedly connected with mounting base, another
End is articulated with point D with second movable rod, and the point D is set between hinge joint B and fixed point C；Two electrode tops
Extension spring is equipped between needle, the lower end of the electrode thimble is cased with the first compressed spring, first compressed spring one end with
Guide rail offsets, and the other end offsets with the first movable rod, and the second compressed spring is equipped between two second movable rods；Institute
Fixture block is stated equipped with third guide groove, the electrode thimble is set in the third guide groove；The electrode thimble is equipped with resistance
The diameter of block, the stopper is greater than third guide groove diameter.Under normal condition, extension spring is in tensional state, right
The fixture block and electrode thimble of two sides have pulling force, and symmetrical two fixture blocks is made to have clamping force；First compressed spring and the second pressure
Contracting spring is in compressive state, and the first movable rod and the second movable rod is made to be in tensioned state.The working principle of the invention:
Hand lever is inwardly squeezed with hand, two hand lever relative displacements simultaneously further compress the second compressed spring, even due to the second activity
Bar and fixed connecting rod are articulated with point D, and while hand lever drives the second movable rod lower end mobile, the second movable rod is around hinge
Contact D rotates counterclockwise；The rotation of second movable rod can drive the first movable rod lower end mobile again, the rotation of the second movable rod
During turning, the first movable rod takes the lead in moving downward under the action of the first compressed spring, and electrode thimble is pulled downward on；
When the stopper on electrode thimble offsets with fixture block to move down again, continue to squeeze hand lever, the second movable rod
Upper end be displaced outwardly with the lower end of the first movable rod, by fixture block and electrode top while the first movable rod is displaced outwardly
Needle pulls out together, and fixture block is moved along the first guide groove, and electrode thimble is moved along the second guide groove, finally makes fixture block horizontal
The size of LED component is adapted to certain width is opened, electrode thimble at this time retracts under testboard；LED is placed on two
The extruding to hand lever is removed in the centre of fixture block, and fixture block resets under the action of extension spring and the second compressed spring, first
Under the action of compressed spring, electrode thimble cannot move in fixture block reseting procedure, and hand lever, the second movable rod, first
Movable rod resets；Two fixture blocks are next by LED clip, and the second compressed spring overcomes the resistance of the first compressed spring, make electrode top
Needle moves upwards, and further compresses the first compressed spring；Electrode thimble stretches out testboard and in electrical contact with LED electrode again,
Energization can test LED.In entire motion process, electrode thimble is always moved prior to fixture block when unclamping LED, is guaranteed first
Power-off；Electrode thimble always ability setting in motion after fixture block resets, guarantees that LED takes the lead in contacting simultaneously with heat sink when clamping LED
There is enough frictional force to overcome the elastic force of spring built in thimble under the action of the first compressed spring and be close to always heat sink, protects
Demonstrate,prove the heat dissipation in test process.Test fixture of the present invention is capable of the LED of adaptive any model.
As an improvement, the fixture block is L-shaped, including clamping part and guide part, the clamping part stretches out the testboard, institute
Third guide groove is stated in the guide part.Electrode thimble can be moved up and down along third guide groove, and electrode thimble can also be with
It is moved inside and outside the second guide groove, to realize the up and down motion and side-to-side movement of electrode thimble.
As an improvement, the distance between the electrode thimble and clamping part be L1, between LED outer diameter and LED electrode away from
From for L2, L1=L2.Since LED electrode and LED outer diameter distance are fixed, as long as electrode thimble moves together with fixture block, Gu
Fixed distance between the two, after fixture block clamps LED radial outer edge, electrode thimble must can be directed at LED electrode.
As an improvement, two clamping parts are formed, clamping opening is tapered, and after clamping part clamps LED, taper clamping opening has downward
The trend for squeezing LED prevents LED to be detached from the clamping of fixture block.
Through-hole is equipped at the extension spring as an improvement, corresponding in the mounting base, the extension spring is set to described
In through-hole.
As an improvement, the hand lever is horizontally disposed.
As an improvement, be equipped at the top of the mounting base it is heat sink, it is described heat sink to be affixed with testboard.Since LED is in test
It can generate heat, and the performance of LED will receive the influence of high temperature, after present invention setting is heat sink, can quickly dissipate to the LED heat generated
Hair reduces influence of the temperature factor to test result.
As an improvement, the hinge joint D is located at the middle position of the second movable rod.
As an improvement, the height that the fixture block stretches out testboard is greater than the height that electrode thimble stretches out testboard.
As an improvement, first guide groove, the second guide groove and third guide groove are strip.
The beneficial effect of the invention compared with the existing technology is:
The present invention utilizes the linkage between hand lever, the second movable rod, the first movable rod, fixture block and electrode thimble
Property, realize the tight demand of LED clip of fixture block and the adaptive different model of electrode thimble；In addition, utilizing extension spring, the first compression bullet
The effect of spring and the second compressed spring enables hand lever, the second movable rod, the first movable rod, fixture block and electrode thimble
It successively resets, and then fixture repeated work can be made, and easy to operate.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the connection schematic diagram under normal condition between each connecting rod.
Fig. 3 is the top perspective view of Fig. 2.
Fig. 4 is the bottom isometric view of Fig. 2.
Fig. 5 is that the present invention is intended in the state that stopper is contacted with fixture block.
Fig. 6 is the perspective view of Fig. 5.
Fig. 7 is status diagram of the present invention in limit of sports record position.
Fig. 8 is the perspective view of Fig. 7.
Specific embodiment
The invention is further explained in the following combination with the attached drawings of the specification.
As shown in Figure 1, a kind of LED discrete part adaptive testing fixture, including 1, two fixture block of circular testboard
2, two electrode thimbles 3 and the guide rail 4 set on 1 lower section of testboard.The 1 bottom middle position of testboard is equipped with installation
Seat 8 is equipped with heat sink (not indicating) at the top of the mounting base 8, described heat sink to be affixed with testboard 1；Or 8 conduct of entire mounting base
Heat sink, heat-sinking capability is more preferable；Since LED can generate heat in test, and the performance of LED will receive the influence of high temperature, and the present invention is set
Set it is heat sink after, the heat Quick diffusing that can be generated to LED reduces influence of the temperature factor to test result.The fixture block 2
8 two sides of mounting base are symmetrically distributed in electrode thimble 3；The fixture block 2 is L-shaped, including clamping part 21 and guide part 22, institute
It states clamping part 21 and stretches out the testboard 1, be equipped with third guide groove (not indicating) in the guide part 22, the electrode thimble 3
In the third guide groove, electrode thimble 3 can be moved up and down along third guide groove；The electrode thimble 3 is equipped with resistance
The width of block 31, the stopper 31 is greater than third guide groove diameter, when stopper 31 is displaced downwardly to 22 upper end of guide part, by
In being stopped, electrode thimble 3 cannot continue to move down.The distance between the electrode thimble 3 and clamping part 21 are L1, outside LED
The distance between diameter and LED electrode are L2, L1=L2, due to LED electrode and LED outer diameter distance be it is fixed, as long as electrode top
Needle 3 moves together with fixture block 2, and fixed distance between the two, after fixture block 2 clamps LED radial outer edge, electrode thimble 3 must energy
It is directed at LED electrode；Two formation of clamping parts 21 clamping opening are tapered, and after clamping part 21 clamps LED, taper clamping opening, which has, is squeezed downwards
The trend for pressing LED prevents LED to be detached from the clamping of fixture block 2.The testboard 1 is equipped at the corresponding electrode thimble 3 and is equipped with length
First guide groove 12 of bar shaped, the clamping part 21 of the fixture block 2 and the upper end of electrode thimble 3 pass through first guide groove 12 simultaneously
Testboard 1 is stretched out, the height that the fixture block 2 stretches out testboard 1 is greater than the height that electrode thimble 3 stretches out testboard 1.The fixture block
2 lower end offsets with the guide rail 4, second guide groove 13 of the guide rail 4 equipped with strip, under the electrode thimble 3
End is articulated with point A across second guide groove 13 and with the upper end of the first movable rod 5, under first movable rod 5
End and the upper end of the second movable rod 6 are articulated with point B, the lower end of second movable rod 6 and horizontally disposed hand lever 7
Inner end is fixedly connected on point C, is symmetrically arranged with two fixed connecting rods 10 in the mounting base 8, one end of the fixed connecting rod 10 with
Mounting base 8 is fixedly connected, and the other end and second movable rod 6 are articulated with point D, and the hinge joint D is set on hinge joint B and admittedly
The middle position C is pinpointed, is more balanced when making the second movable rod 6 around hinge joint D rotation.It is set between two electrode thimbles 3
There is extension spring 14, corresponded in the mounting base 8 and be equipped with through-hole 15 at the extension spring 14, the extension spring 14 is set to institute
It states in through-hole 15.The lower end of the electrode thimble 3 is cased with the first compressed spring 11, described first compressed spring, 11 one end and guide rail
4 offset, and the other end offsets with the first movable rod 5, and the second compressed spring 9 is equipped between two second movable rods 6.Such as
Shown in Fig. 2 to 4, under normal condition, extension spring 14 is in tensional state, and the fixture block 2 and electrode thimble 3 to two sides, which have, to be drawn
Power makes symmetrical two fixture blocks 2 have clamping force；First compressed spring 11 and the second compressed spring 9 are in compressive state, make
One movable rod 5 and the second movable rod 6 are in tensioned state.
The working principle of the invention: as shown in Figure 5,6, hand lever 7, two 7 relative displacements of hand lever are inwardly squeezed with hand
And the second compressed spring 9 is further compressed, since the second movable rod 6 and fixed connecting rod 10 are articulated with point D, hand lever 7 is driven
While second movable rod, 6 lower end is mobile, the second movable rod 6 rotates counterclockwise around hinge joint D；Second movable rod 6
Rotation can drive 5 lower end of the first movable rod mobile again, in 6 rotary course of the second movable rod, the first movable rod 5 is the
It takes the lead in moving downward under the action of one compressed spring 11, and electrode thimble 3 is pulled downward on；As shown in Figure 7,8, when electrode thimble
Stopper 31 on 3 and fixture block 2 offset when can not move down again, continue to squeeze hand lever 7, the second movable rod 6 it is upper
End is displaced outwardly with the lower end of the first movable rod 5, by fixture block 2 and electrode top while the first movable rod 5 is displaced outwardly
Needle 3 pulls out together, and fixture block 2 is moved along the first guide groove 12, and electrode thimble 3 is moved along the second guide groove 13, finally
Make the laterally flared certain width of fixture block 2 to adapt to the size of LED component, electrode thimble 3 at this time retracts under testboard 1；It will
LED is placed on the centre of two fixture blocks 2, removes the extruding to hand lever 7, in the effect of extension spring 14 and the second compressed spring 9
Lower fixture block 2 resets, and under the action of the first compressed spring 11, electrode thimble 3 cannot move in 2 reseting procedure of fixture block, and hand
Lever 7, the second movable rod 6, the first movable rod 5 reset；Two fixture blocks 2 are next by LED clip, and the second compressed spring 9 overcomes
The resistance of first compressed spring 11, moves upwards electrode thimble 3, further compresses the first compressed spring 11；3 weight of electrode thimble
New stretching testboard is simultaneously in electrical contact with LED electrode, and energization can test LED.In entire motion process, LED is unclamped
When electrode thimble 3 always moved prior to fixture block 2, guarantee first powers off；Electrode thimble 3 always terminates in the reset of fixture block 2 when clamping LED
Just setting in motion afterwards guarantees that LED takes the lead in contacting with heat sink and having enough frictions to make every effort to overcome under the action of the first compressed spring 11
It takes the elastic force of the spring built in thimble and is close to heat sink heat dissipation in guarantee test process always.Test fixture of the present invention can
The LED of adaptive any model.
The present invention utilizes between hand lever 7, the second movable rod 6, the first movable rod 5, fixture block 2 and electrode thimble 3
Linkage realizes the tight demand of LED clip of fixture block 2 and the adaptive different model of electrode thimble 3；In addition, utilizing extension spring 14,
The effect of one compressed spring 11 and the second compressed spring 9 makes hand lever 7, the second movable rod 6, the first movable rod 5, fixture block
2 and electrode thimble 3 can successively reset, and then fixture repeated work can be made, and easy to operate.
Claims (2)
1. a kind of LED discrete part adaptive testing fixture, it is characterised in that: including testboard, two fixture blocks, two electrodes
Thimble and the guide rail below the testboard, testboard bottom middle position are equipped with mounting base, the fixture block and electricity
Pole thimble is symmetrically distributed in the mounting base two sides；It is corresponded on the testboard and is equipped with the first guide groove at the electrode thimble,
The upper end of the fixture block and electrode thimble passes through first guide groove and stretches out testboard；It is led with described the lower end of the fixture block
Rail offsets, and the guide rail is equipped with the second guide groove, and the lower end of the electrode thimble passes through second guide groove and with first
The upper end of movable rod is articulated with point A, and the lower end of first movable rod and the upper end of the second movable rod are articulated with point B,
The lower end of second movable rod and one end of hand lever are fixedly connected on point C, and two are symmetrically arranged in the mounting base admittedly
Determine connecting rod, one end of the fixed connecting rod is fixedly connected with mounting base, and the other end and second movable rod are articulated with point D,
The point D is set between hinge joint B and fixed point C；Extension spring, the electrode thimble are equipped between two electrode thimbles
Lower end be cased with the first compressed spring, first compressed spring one end offsets with guide rail, the other end and the first movable rod phase
It supports, the second compressed spring is equipped between two second movable rods；The fixture block is equipped with third guide groove, the electrode
Thimble is set in the third guide groove；The electrode thimble is equipped with stopper, and the diameter of the stopper is led greater than third
To slot diameter.
2. a kind of LED discrete part adaptive testing fixture according to claim 1, it is characterised in that: the fixture block
It is L-shaped, including clamping part and guide part, the clamping part stretching testboard, the third guide groove is set on the guiding
In portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119256.9A CN109374931A (en) | 2018-09-25 | 2018-09-25 | A kind of LED discrete part adaptive testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119256.9A CN109374931A (en) | 2018-09-25 | 2018-09-25 | A kind of LED discrete part adaptive testing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109374931A true CN109374931A (en) | 2019-02-22 |
Family
ID=65401835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811119256.9A Pending CN109374931A (en) | 2018-09-25 | 2018-09-25 | A kind of LED discrete part adaptive testing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109374931A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900266A (en) * | 2019-12-16 | 2020-03-24 | 贵溪奥泰铜业有限公司 | Novel anchor clamps are used in cast member processing |
| CN111965449A (en) * | 2020-08-05 | 2020-11-20 | 安徽省中测电子科技有限公司 | New forms of energy rifle function simulation testing arrangement that charges |
-
2018
- 2018-09-25 CN CN201811119256.9A patent/CN109374931A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110900266A (en) * | 2019-12-16 | 2020-03-24 | 贵溪奥泰铜业有限公司 | Novel anchor clamps are used in cast member processing |
| CN111965449A (en) * | 2020-08-05 | 2020-11-20 | 安徽省中测电子科技有限公司 | New forms of energy rifle function simulation testing arrangement that charges |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109374931A (en) | A kind of LED discrete part adaptive testing fixture | |
| CN209730695U (en) | A kind of office furniture buckle-type leads to line limiting device | |
| CN205341642U (en) | Die clamping device | |
| CN104034923B (en) | Self-adaptive test clamp for separate-type LED device | |
| CN207289917U (en) | Separable carrier detent mechanism | |
| CN213544227U (en) | Clamping fixture for universal material testing machine | |
| CN206947448U (en) | A kind of battery core is secondary to be pressed into housing apparatus | |
| CN111023944B (en) | Early warning device for detecting required height of mattress spring | |
| CN206357087U (en) | One kind clamps Tiao Mi mechanisms | |
| CN218974524U (en) | Stable chip testing device | |
| CN211086371U (en) | Tooling for capacitor test | |
| CN208189723U (en) | Battery formation clamping device | |
| CN208383575U (en) | A kind of impact resistance detection device of curtain wall thermal insulation board | |
| CN203156258U (en) | Wire positioning fixture | |
| CN107263347B (en) | Wheel casing positioning and clamping mechanism | |
| CN207324884U (en) | The experimental facilities used suitable for physics experiment teaching | |
| CN213843331U (en) | Radio frequency conduction test fixture | |
| CN213068947U (en) | Chip test fixture compatible with different sizes | |
| CN209340267U (en) | A kind of Hydraulic Elements detection device | |
| CN103611683A (en) | Vibrating screen machine and fast clamping unit thereof | |
| CN209311220U (en) | A kind of machine control transformation device of the pressure testing machine suitable for PTFE material test | |
| CN218937990U (en) | Tensile strength tester | |
| CN104226830B (en) | The electrode slice press fit device of lamp socket and compression method | |
| CN208514067U (en) | A kind of generator's cover pushing fixture | |
| CN201813058U (en) | Compression structure of cold pressing connection terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |