CN215641738U - LED encapsulation aging testing device - Google Patents
LED encapsulation aging testing device Download PDFInfo
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- CN215641738U CN215641738U CN202121487941.4U CN202121487941U CN215641738U CN 215641738 U CN215641738 U CN 215641738U CN 202121487941 U CN202121487941 U CN 202121487941U CN 215641738 U CN215641738 U CN 215641738U
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Abstract
The utility model provides an LED package aging test device, which comprises: a carrier plate; the placing groove is formed in the top of the carrier plate, an annular fixing groove is formed in the bottom of the inside of the placing groove, a clamping and locking piece is arranged inside the annular fixing groove and comprises an L-shaped clamping and locking piece, and a positioning shaft is arranged on the top of the inner wall of the L-shaped clamping and locking piece; the support flange is mounted inside the standing groove by a positioning ring, which comprises a positioning flange. The LED packaging aging test device provided by the utility model has the advantages that the positioning ring is arranged at the lower side of the supporting flange and is matched with the L-shaped clamping and locking block in the annular fixing ring, the fixing can be realized by inserting the sliding hole in the positioning ring corresponding to the L-shaped clamping and locking block and pressing the positioning ring to rotate anticlockwise, the positioning ring is pressed during the disassembly, then the positioning ring rotates clockwise, and the positioning ring is taken down, the assembly and disassembly operations are simple and convenient, and the LED packaging aging test device can be conveniently used for testing LED packaging aging corresponding to different models.
Description
Technical Field
The utility model relates to the field of LED chips, in particular to an LED package aging test device.
Background
The heart of the LED is a semiconductor wafer, one end of the wafer is attached to a support, the other end of the wafer is a cathode, and the other end of the wafer is connected with an anode of a power supply, so that the whole wafer is packaged by epoxy resin.
In the manufacturing process of LED products, the performance of the LED products is mainly evaluated and checked through electrified aging tests of different currents and environmental tests under different conditions of temperature, humidity and the like. However, with the rapid development of the LED industry, the types of LED products are continuously updated, the LED packaging forms evolve, the types of LED products are more and more diversified, and thus the aging test apparatus is frequently changed, which results in increased test cost and waste of resources.
In order to solve the above problems, for example, in the LED aging testing apparatus disclosed in publication No. CN108508341B, the carrier plate is provided with the grooves, the first flanges with different sizes are arranged inside the grooves, and different placing cavities are formed inside the grooves, so as to correspondingly place LED products with different models, but the first flanges with different sizes are not convenient to mount and dismount and are replaced by the fixed arrangement between the carrier plate and the first flanges.
Therefore, it is necessary to provide an LED package aging test apparatus to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an LED package aging test device, which solves the problems that a carrier plate and a first flange are fixedly arranged, so that the carrier plate is inconvenient to mount and dismount, and the first flanges with different sizes are replaced.
In order to solve the above technical problem, the LED package aging test apparatus provided by the present invention includes:
a carrier plate;
the placing groove is formed in the top of the carrier plate, an annular fixing groove is formed in the bottom of the inside of the placing groove, a clamping and locking piece is arranged inside the annular fixing groove and comprises an L-shaped clamping and locking piece, and a positioning shaft is arranged on the top of the inner wall of the L-shaped clamping and locking piece;
the supporting flange is installed in the placing groove through a positioning ring, the positioning ring comprises a positioning flange, a sliding hole is formed in the positioning flange, and a positioning hole is formed in one side, located in the sliding hole, of the positioning flange.
Preferably, the top of the inner wall of the annular fixing groove is bonded with an annular rubber pad.
Preferably, the wire holders are arranged on the support plate and located on two sides of the placing groove, and the clamping piece is arranged on one side of each wire holder.
Preferably, the clamping piece comprises an internal thread cylinder, the internal thread of the internal thread cylinder is connected with a threaded connection part, one side of the threaded connection part is fixedly connected with a connecting pipe, and one end of the connecting pipe penetrates through the threaded connection part and extends to the outside of the threaded connection part.
Preferably, the inside symmetry of connecting pipe is fixed and is provided with an installation section of thick bamboo, the inside of installation section of thick bamboo is provided with the piston piece, one side fixedly connected with connecting rod of piston piece, the inside of installation section of thick bamboo and the opposite side that is located the piston piece are provided with the elastic component.
Preferably, one end of the connecting rod penetrates through the mounting cylinder and extends to the outside of the mounting cylinder, and one end of the connecting rod is fixedly connected with the extrusion head.
Preferably, the interior of the extrusion head is rotatably provided with an electrode contact piece.
Preferably, one end of the electrode contact piece is electrically connected to the wire holder through a wire.
Compared with the related art, the LED package aging test device provided by the utility model has the following beneficial effects:
the utility model provides an LED package aging test device, wherein a positioning ring is arranged at the lower side of a supporting flange and is matched with an L-shaped clamping and locking block in an annular fixing ring, the fixing can be realized by inserting a sliding hole in the positioning ring corresponding to the L-shaped clamping and locking block and pressing the positioning ring to rotate anticlockwise, the positioning ring is pressed during disassembly and then rotates clockwise, and the positioning ring is taken down.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of an LED package aging test apparatus provided in the present invention;
FIG. 2 is a top view of the portion shown in FIG. 1;
FIG. 3 is a partial cross-sectional view of FIG. 2;
FIG. 4 is a top view of the support flange shown in FIG. 1;
fig. 5 is a schematic structural diagram of an LED package aging test apparatus according to a second embodiment of the present invention.
Reference numbers in the figures:
1. a carrier plate, 2, a placing groove, 3, a ring-shaped fixing groove, 4 and a supporting flange,
5. a positioning ring 51, a positioning flange 52, a sliding hole 53, a positioning hole,
6. a locking piece 61, an L-shaped locking block 62, a positioning shaft,
7. a ring-shaped rubber pad 8, a wire holder,
9. the electrode contact piece comprises a clamping piece 91, an internal thread cylinder 92, a threaded connection part 93, a connecting pipe 94, an installation cylinder 95, a piston block 96, an elastic piece 97, a connecting rod 98, an extrusion head 99 and an electrode contact piece.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of an LED package aging test apparatus provided in the present invention; FIG. 2 is a top view of the portion shown in FIG. 1; FIG. 3 is a partial cross-sectional view of FIG. 2; fig. 4 is a top view of the support flange shown in fig. 1. LED encapsulation aging testing device includes:
a carrier plate 1;
the placing groove 2 is formed in the top of the carrier plate 1, an annular fixing groove 3 is formed in the bottom of the placing groove 2, a locking piece 6 is arranged inside the annular fixing groove 3, the locking piece 6 comprises an L-shaped locking piece 61, and a positioning shaft 62 is arranged at the top of the inner wall of the L-shaped locking piece 61;
the supporting flange 4 is mounted inside the placing groove 2 through a positioning ring 5, the positioning ring 5 comprises a positioning flange 51, a sliding hole 52 is formed in the positioning flange 51, and a positioning hole 53 is formed in one side of the positioning flange 51, which is located at the sliding hole 52.
The number of the L-shaped locking blocks 61 is preferably four, and the number of the annular fixing grooves 3 is two;
the sectional size of the slide hole 52 is the same as the sectional size of the upper end of the L-shaped locking piece 61.
And the top of the inner wall of the annular fixing groove 3 is bonded with an annular rubber gasket 7.
The annular rubber pad 7 is preferably made of silica gel.
The two clamping pieces 9 are used for clamping two electrodes of the LED sample to be tested, and the clamping pieces 9 are electrically connected with the wire holder 8.
The working principle of the LED packaging aging test device provided by the utility model is as follows:
correspondingly replacing the support flanges 4 with different models according to the model size of the LED chip;
during installation, the sliding hole 52 on the positioning flange 51 at the bottom of the supporting flange 4 is sleeved in corresponding to the upper side of the L-shaped locking block 61 in the annular fixing groove 3, the annular rubber gasket 7 is pressed by the positioning ring 5, the positioning shaft 62 of the annular rubber gasket 7 is completely moved out of the sliding hole 52, the supporting flange 4 is rotated anticlockwise until the supporting flange cannot rotate, the positioning shaft 62 at the bottom of the L-shaped locking block 61 corresponds to the positioning shaft 62 at the bottom of the L-shaped locking block, the carrier plate 1 is loosened, and the positioning shaft 62 is correspondingly inserted into the positioning hole 53, so that the axial direction of the supporting flange 4 can be positioned, the rotation of the supporting flange 4 is avoided, and the fixing is stable;
and when dismantling, through pressing support flange 4, compress annular cushion 7, make location axle 62 shift out locating hole 53, rotate support flange 4 along the pointer this moment, make locating hole 53 correspond with L shape kayser piece 61, can directly take off support flange 4 this moment to be convenient for change the support flange 4 of different models, can detect the LED chip of different models.
Compared with the related art, the LED package aging test device provided by the utility model has the following beneficial effects:
through the downside at support flange 4 be provided with the inside L shape kayser piece 61 of holding ring 5 cooperation annular fixed ring 3, correspond L shape kayser piece 61 through the sliding hole 52 on the holding ring 5 and insert and press down anticlockwise rotation and can realize fixing, when dismantling, press down holding ring 5, then clockwise turning, with it take off can, the installation is dismantled the operation and is all simple and convenient, the LED encapsulation that is convenient for correspond different models is ageing to be tested.
Second embodiment
Referring to fig. 5, a second embodiment of the present application provides another LED package aging test apparatus based on the LED package aging test apparatus provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the LED package aging test device provided by the second embodiment of the present application is different in that the LED package aging test device, the holder 9 includes an internal thread cylinder 91, the internal thread of the internal thread cylinder 91 is connected with a threaded connection portion 92, one side of the threaded connection portion 92 is fixedly connected with a connection pipe 93, one end of the connection pipe 93 penetrates through the threaded connection portion 92 and extends to the outside of the threaded connection portion 92.
Through the cooperation of internal thread section of thick bamboo 91 threaded connection portion 92, can adjust the whole length of holder 9, adapt to the LED work piece of equidimension not.
The connecting pipe 93 is symmetrically and fixedly provided with mounting cylinders 94 inside, the mounting cylinders 94 are provided with piston blocks 95 inside, one side of each piston block 95 is fixedly connected with a connecting rod 97, and the mounting cylinders 94 are provided with elastic pieces 96 inside and on the other side of the piston blocks 95.
One end of the connecting rod 97 penetrates through the mounting cylinder 94 and extends to the outside of the mounting cylinder 94, and one end of the connecting rod 97 is fixedly connected with the extrusion head 98.
LED test workpiece can be clamped through the extrusion head 98, and during clamping, the extrusion head 98 compresses the elastic piece 96, and the LED test workpiece is clamped more stably under the elastic action of the elastic piece 96.
The interior of the extrusion head is rotatably provided with an electrode contact blade 99.
Through the rotation setting, when rotating connecting pipe 93, electrode contact piece 99 need not follow the rotation, and electrode contact piece 99 tip is the conductive metal material, can be copper material etc. can be with the electrode contact circular telegram of the LED work piece that awaits measuring.
One end of the electrode contact piece 99 is electrically connected to the wire holder 8 through a wire.
The length value of the clamping piece 9 can be correspondingly adjusted according to the size of the LED workpiece to be tested, and the connecting pipe 93 is screwed clockwise or anticlockwise during adjustment to drive the threaded connecting part 92 to rotate and act on the internal thread cylinder 91 to move towards the inside or outside of the internal thread cylinder 91, so that the whole clamping piece 9 is shortened or lengthened, the LED workpiece to be tested can be adapted to different models, and the operation is simple and convenient;
and when fixing, when extrusion head 98 is tight with the LED work piece that awaits measuring, compression elastic component 96 through the elastic thrust effect of elastic component 96, makes the stability more of LED test work piece centre gripping.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. An LED package aging test device, comprising:
a carrier plate;
the placing groove is formed in the top of the carrier plate, an annular fixing groove is formed in the bottom of the inside of the placing groove, a clamping and locking piece is arranged inside the annular fixing groove and comprises an L-shaped clamping and locking piece, and a positioning shaft is arranged on the top of the inner wall of the L-shaped clamping and locking piece;
the supporting flange is installed in the placing groove through a positioning ring, the positioning ring comprises a positioning flange, a sliding hole is formed in the positioning flange, and a positioning hole is formed in one side, located in the sliding hole, of the positioning flange.
2. The LED package aging test device of claim 1, wherein a ring-shaped rubber pad is bonded to the top of the inner wall of the ring-shaped fixing groove.
3. The LED package aging test device of claim 1, wherein the carrier board is provided with wire holders at both sides of the placing groove, and one side of the wire holder is provided with a clamping member.
4. The LED package aging test device of claim 3, wherein the clamping member comprises an internal thread cylinder, a threaded connection part is connected to the internal thread of the internal thread cylinder, a connecting pipe is fixedly connected to one side of the threaded connection part, and one end of the connecting pipe penetrates through the threaded connection part and extends to the outside of the threaded connection part.
5. The LED package aging testing device of claim 4, wherein the connecting pipe is symmetrically and fixedly provided with a mounting cylinder inside, a piston block is arranged inside the mounting cylinder, one side of the piston block is fixedly connected with a connecting rod, and an elastic part is arranged inside the mounting cylinder and positioned at the other side of the piston block.
6. The LED package aging test device of claim 5, wherein one end of the connection rod penetrates through the mounting cylinder and extends to the outside of the mounting cylinder, and the extrusion head is fixedly connected to one end of the connection rod.
7. The LED package aging test device of claim 6, wherein the inside of the extrusion head is rotatably provided with electrode contact pieces.
8. The LED package degradation testing device of claim 7, wherein one end of the electrode contact piece is electrically connected to the wire holder through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121487941.4U CN215641738U (en) | 2021-07-01 | 2021-07-01 | LED encapsulation aging testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121487941.4U CN215641738U (en) | 2021-07-01 | 2021-07-01 | LED encapsulation aging testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641738U true CN215641738U (en) | 2022-01-25 |
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ID=79947341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121487941.4U Active CN215641738U (en) | 2021-07-01 | 2021-07-01 | LED encapsulation aging testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215641738U (en) |
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2021
- 2021-07-01 CN CN202121487941.4U patent/CN215641738U/en active Active
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