CN211554220U - Clamping device for transient thermal resistance test - Google Patents
Clamping device for transient thermal resistance test Download PDFInfo
- Publication number
- CN211554220U CN211554220U CN201922063242.6U CN201922063242U CN211554220U CN 211554220 U CN211554220 U CN 211554220U CN 201922063242 U CN201922063242 U CN 201922063242U CN 211554220 U CN211554220 U CN 211554220U
- Authority
- CN
- China
- Prior art keywords
- plate
- clamping
- thermal resistance
- supporting rod
- fly leaf
- 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
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a clamping device for transient state thermal resistance test, the on-line screen storage device comprises a base, through the fixed grip block that is equipped with in bottom plate center department, the opposite side of roof and bottom plate is equipped with the second curb plate, the last symmetry of roof is equipped with the tensiometer, be connected with the stay cord on the tensiometer, the symmetry is equipped with solid fixed ring on the fly leaf, the stay cord is connected with solid fixed ring, the fly leaf below is equipped with the clamp splice, in the use, place test device on the grip block, the rotation threaded rod, make it promote the fly leaf downstream under the cooperation of slider and spout, when promoting, can calculate this moment decurrent pulling force through the tensiometer, can be as required, increase or reduce the pressure of clamp splice to the grip block, beneficial effect: the device has a simple structure, is convenient to use, can adjust different clamping forces according to requirements during transient thermal resistance testing, does not crush the chip, or has excessively small clamping force, increases thermal contact resistance and resistance, and influences a testing result.
Description
Technical Field
The utility model relates to a thermal resistance test centre gripping technical field particularly, relates to a clamping device for transient state thermal resistance test.
Background
In the process of producing semiconductor devices, in order to quickly and effectively check the sintering quality (thermal resistance) between a device chip and a shell, a screening method of transient thermal resistance test is generally adopted. The method is to apply single power pulse to the semiconductor device to be tested, measure thermal sensitive parameters after the pulse is finished, infer the temperature rise of the device chip, and then infer the quality of the device sintering quality (sintering thermal resistance). The test of the transient thermal resistance can meet 100 percent of screening in the process production of semiconductor devices, and mainly eliminates devices with larger thermal resistance caused by unqualified chip sintering quality. When the transient thermal resistance test is carried out on the semiconductor device, the semiconductor device needs to be clamped and fixed, in order to ensure that the semiconductor device can work normally, the clamping force of the clamping device on the semiconductor device needs to be strictly controlled, the conventional clamping device is often too large in clamping force and crushes a chip, or the clamping force is too small, so that the contact thermal resistance and the resistance are increased, and the test result is influenced.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a clamping device for transient state thermal resistance test to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this:
a clamping device for transient thermal resistance testing comprises a base, wherein a first supporting rod is arranged on the base, a second supporting rod is arranged on the first supporting rod, the first supporting rod is connected with the second supporting rod through an adjusting device, a first side plate is arranged at one end of the second supporting rod, a top plate and a bottom plate are respectively arranged at two ends of the first side plate, the top plate and the bottom plate are fixedly connected with the first side plate, a clamping plate is fixedly arranged at the center of the bottom plate, a second side plate is arranged at the other side of the top plate and the bottom plate, a movable plate is arranged between the first side plate and the second side plate, sliding blocks are arranged at two ends of the movable plate, sliding grooves are respectively formed in one side wall of each sliding block of the first side plate and the second side plate, the sliding blocks are matched with the sliding grooves, and thread sleeves are arranged at the center of the top, the pull-type tension meter is characterized in that a threaded rod is arranged in the threaded sleeve, pull meters are symmetrically arranged on the top plate, pull ropes are connected to the pull meters, fixing rings are symmetrically arranged on the movable plate, the pull ropes are connected with the fixing rings, and clamping blocks are arranged below the movable plate.
Furthermore, adjusting device includes first splint and second splint, be equipped with the fastening axle between first splint with the second splint.
Furthermore, the position that the fly leaf is located the threaded rod below is equipped with the fixed plate, fixed plate center department is equipped with the thread groove.
Furthermore, the first support rod and the second support rod are made of stainless steel.
Furthermore, the installation nails are symmetrically arranged below the base.
The utility model provides a clamping device for transient state thermal resistance test, beneficial effect as follows:
(1) when the device is used, a testing device is placed on the clamping plate, the threaded rod is rotated to push the movable plate to move downwards under the matching of the sliding block and the sliding groove, the downward pulling force can be measured by the tension meter when the device is pushed, the pressure of the clamping block on the clamping plate can be increased or decreased as required, the device has a simple structure, is convenient to use, can adjust different clamping forces according to requirements during transient thermal resistance testing, does not crush the chip, or has excessively small clamping force, increases thermal contact resistance and resistance, and influences a testing result.
(2) The adjusting device comprises a first clamping plate and a second clamping plate, a fastening shaft is arranged between the first clamping plate and the second clamping plate, and the positions of the first supporting rod and the second supporting rod can be adjusted.
(3) The movable plate is located at the position below the threaded rod, the center of the fixed plate is provided with a threaded groove, and the movable plate is protected when the threaded rod rotates.
(4) The first supporting rod and the second supporting rod are made of stainless steel, so that the service life of the first supporting rod and the service life of the second supporting rod can be prolonged.
(5) The installation nails are symmetrically arranged below the base, so that the base can be conveniently installed and detached.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a clamping device for transient thermal resistance testing according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an adjusting device in a clamping device for transient thermal resistance testing according to an embodiment of the present invention.
In the figure:
1. a base; 2. a first support bar; 3. a second support bar; 4. an adjustment device; 5. a first side plate; 6. a top plate; 7. a base plate; 8. a clamping plate; 9. a second side plate; 10. a movable plate; 11. a slider; 12. a chute; 13. a threaded sleeve; 14. a threaded rod; 15. a tension meter; 16. pulling a rope; 17. a fixing ring; 18. a clamping block; 19. a first splint; 20. a second splint; 21. fastening the shaft; 22. a fixing plate; 23. a thread groove; 24. and (6) installing the nail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
the first embodiment is as follows:
referring to fig. 1-2, a clamping device for transient thermal resistance testing according to an embodiment of the present invention includes a base 1, a first supporting rod 2 is disposed on the base 1, a second supporting rod 3 is disposed on the first supporting rod 2, the first supporting rod 2 is connected to the second supporting rod 3 through an adjusting device 4, a first side plate 5 is disposed at one end of the second supporting rod 3, a top plate 6 and a bottom plate 7 are disposed at two ends of the first side plate 5, the top plate 6 and the bottom plate 7 are both fixedly connected to the first side plate 5, a clamping plate 8 is fixedly disposed at the center of the bottom plate 7, a second side plate 9 is disposed at the other side of the top plate 6 and the bottom plate 7, a movable plate 10 is disposed between the first side plate 5 and the second side plate 9, sliders 11 are disposed at two ends of the movable plate 10, and chutes 12 are disposed on a side wall of the first side plate 5 and the second side plate 9 located on the sliders 11, the slide block 11 with the spout 12 phase-match, roof 6 center department is equipped with thread bush 13, be equipped with threaded rod 14 in the thread bush 13, the last symmetry of roof 6 is equipped with the tensiometer 15, be connected with stay cord 16 on the tensiometer 15, the symmetry is equipped with solid fixed ring 17 on the fly leaf 10, stay cord 16 with gu fixed ring 17 connects, fly leaf 10 below is equipped with clamp splice 18.
Through the above technical scheme of the utility model, through the fixed grip block 8 that is equipped with in bottom plate 7 center department, roof 6 with the opposite side of bottom plate 7 is equipped with second curb plate 9, first curb plate 5 with be equipped with fly leaf 10 between the second curb plate 9, the both ends of fly leaf 10 all are equipped with slider 11, first curb plate 5 with second curb plate 9 is located all be equipped with spout 12 on the lateral wall of slider 11, slider 11 with spout 12 phase-match, roof 6 center department is equipped with thread bush 13, be equipped with threaded rod 14 in the thread bush 13, the last symmetry of roof 6 is equipped with tensiometer 15, be connected with stay cord 16 on the tensiometer 15, the symmetry is equipped with solid fixed ring 17 on fly leaf 10, stay cord 16 with gu fixed ring 17 connects, fly leaf 10 below is equipped with clamp splice 18.
During the use, place the test device on grip block 8, rotate threaded rod 14, make it promote fly leaf 10 to move downwards under the cooperation of slider 11 and spout 12, when promoting, can measure out the decurrent pulling force this moment through tensiometer 15, can be as required, increase or reduce the clamp splice to the pressure of grip block 8, such device simple structure, convenient to use, can be when transient state thermal resistance test, adjust different clamping-force as required, can not make the chip crush, or clamping-force undersize, increase contact thermal resistance and resistance, influence the test result.
Example two:
as shown in fig. 1-2, the adjusting device 4 comprises a first clamping plate 19 and a second clamping plate 20, and a fastening shaft 21 is arranged between the first clamping plate 19 and the second clamping plate 20; the adjusting device 4 comprises a first clamping plate 19 and a second clamping plate 20, a fastening shaft 21 is arranged between the first clamping plate 19 and the second clamping plate 20, and the positions of the first supporting rod 2 and the second supporting rod 3 can be adjusted.
A fixed plate 22 is arranged at the position of the movable plate 10 below the threaded rod 14, and a threaded groove 23 is formed in the center of the fixed plate 22; the movable plate 10 is provided with a fixing plate 22 at a position below the threaded rod 14, and a threaded groove 23 is formed in the center of the fixing plate 22, so that the movable plate 10 is protected when the threaded rod 14 rotates. The first support rod 2 and the second support rod 3 are both made of stainless steel; first bracing piece 2 with the material of second bracing piece 3 is the stainless steel, can improve the life of first bracing piece 2 and second bracing piece 3. Mounting nails 24 are symmetrically arranged below the base 1; the installation nails 24 are symmetrically arranged below the base 1, so that the base can be conveniently installed and detached.
In summary, according to the above technical solution of the present invention, by fixedly providing the clamping plate 8 at the center of the bottom plate 7, providing the second side plate 9 at the other side of the top plate 6 and the bottom plate 7, providing the movable plate 10 between the first side plate 5 and the second side plate 9, providing the sliding blocks 11 at both ends of the movable plate 10, providing the sliding grooves 12 on one side wall of the sliding blocks 11 of the first side plate 5 and the second side plate 9, matching the sliding blocks 11 with the sliding grooves 12, providing the threaded sleeve 13 at the center of the top plate 6, providing the threaded rod 14 in the threaded sleeve 13, providing the pull gauges 15 symmetrically on the top of the top plate 6, connecting the pull ropes 16 on the pull gauges 15, providing the fixing rings 17 symmetrically on the movable plate 10, connecting the pull ropes 16 with the fixing rings 17, providing the clamping blocks 18 below the movable plate 10, when in use, place the testing device on grip block 8, the threaded rod 14 rotates, make it promote fly leaf 10 to move down under the cooperation of slider 11 and spout 12, when promoting, can measure out decurrent pulling force this moment through tensiometer 15, can be as required, increase or reduce the pressure of clamp splice to grip block 8, such device simple structure, high durability and convenient use, can be when transient thermal resistance test, adjust different clamping-force as required, can not make the chip crushing, or clamping-force undersize, increase contact thermal resistance and resistance, influence the test result.
The adjusting device 4 comprises a first clamping plate 19 and a second clamping plate 20, a fastening shaft 21 is arranged between the first clamping plate 19 and the second clamping plate 20, and the positions of the first supporting rod 2 and the second supporting rod 3 can be adjusted; a fixed plate 22 is arranged at the position of the movable plate 10 below the threaded rod 14, a threaded groove 23 is arranged at the center of the fixed plate 22, and the movable plate 10 is protected when the threaded rod 14 rotates; the first support rod 2 and the second support rod 3 are made of stainless steel, so that the service lives of the first support rod 2 and the second support rod 3 can be prolonged; the installation nails 24 are symmetrically arranged below the base 1, so that the base can be conveniently installed and detached.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The clamping device for the transient thermal resistance test is characterized by comprising a base (1), wherein a first supporting rod (2) is arranged on the base (1), a second supporting rod (3) is arranged on the first supporting rod (2), the first supporting rod (2) is connected with the second supporting rod (3) through an adjusting device (4), a first side plate (5) is arranged at one end of the second supporting rod (3), a top plate (6) and a bottom plate (7) are respectively arranged at two ends of the first side plate (5), the top plate (6) and the bottom plate (7) are fixedly connected with the first side plate (5), a clamping plate (8) is fixedly arranged at the center of the bottom plate (7), a second side plate (9) is arranged at the other side of the top plate (6) and the bottom plate (7), a movable plate (10) is arranged between the first side plate (5) and the second side plate (9), the both ends of fly leaf (10) all are equipped with slider (11), first curb plate (5) with second curb plate (9) are located all be equipped with spout (12) on the lateral wall of slider (11), slider (11) with spout (12) phase-match, roof (6) center department is equipped with thread bush (13), be equipped with threaded rod (14) in thread bush (13), the last symmetry of roof (6) is equipped with tensiometer (15), be connected with stay cord (16) on tensiometer (15), the symmetry is equipped with solid fixed ring (17) on fly leaf (10), stay cord (16) with gu fixed ring (17) are connected, fly leaf (10) below is equipped with clamp splice (18).
2. The clamping device for transient thermal resistance test according to claim 1, characterized in that the adjusting device (4) comprises a first clamping plate (19) and a second clamping plate (20), and a fastening shaft (21) is arranged between the first clamping plate (19) and the second clamping plate (20).
3. The clamping device for the transient thermal resistance test according to claim 1, wherein the movable plate (10) is provided with a fixed plate (22) at a position below the threaded rod (14), and a threaded groove (23) is formed in the center of the fixed plate (22).
4. The clamping device for the transient thermal resistance test according to claim 1, wherein the first support rod (2) and the second support rod (3) are made of stainless steel.
5. The clamping device for the transient thermal resistance test is characterized in that mounting nails (24) are symmetrically arranged below the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063242.6U CN211554220U (en) | 2019-11-26 | 2019-11-26 | Clamping device for transient thermal resistance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063242.6U CN211554220U (en) | 2019-11-26 | 2019-11-26 | Clamping device for transient thermal resistance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211554220U true CN211554220U (en) | 2020-09-22 |
Family
ID=72501795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063242.6U Expired - Fee Related CN211554220U (en) | 2019-11-26 | 2019-11-26 | Clamping device for transient thermal resistance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211554220U (en) |
-
2019
- 2019-11-26 CN CN201922063242.6U patent/CN211554220U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202622493U (en) | On-line measuring instrument for crankshaft grinding machine | |
| CN203758859U (en) | Torsion testing machine for torsional spring | |
| CN208125496U (en) | A kind of anchor pole resistance to plucking detection device | |
| CN211103562U (en) | Clamping device for transient thermal resistance test | |
| CN211554220U (en) | Clamping device for transient thermal resistance test | |
| CN111025111A (en) | Clamping device for transient thermal resistance test | |
| CN110712149A (en) | Clamping device for transient thermal resistance test | |
| CN212621982U (en) | Detection device for shearing resistance and bending resistance of reinforcing steel bar | |
| CN211668757U (en) | Stress-strain tester | |
| CN202903597U (en) | Fixture in tension tester | |
| CN205981920U (en) | A fragility detector for chain round pin axle | |
| CN214096455U (en) | Steel cable tension detection device in prestressed steel cable installation | |
| CN213091349U (en) | Fabric bursting strength tester | |
| CN206960327U (en) | A kind of drawing force testing device for silastic press key finished product | |
| CN211824222U (en) | Verticality detection device for brass bar production | |
| CN209589299U (en) | A kind of c-type temperature measuring equipment wire clamp | |
| CN202304753U (en) | Device for measuring rotation angle and wave height of metal wire | |
| CN219675725U (en) | High membrane ductility detects structure that permeates | |
| CN217156512U (en) | Combustible gas detector | |
| CN219416993U (en) | Clamp for material tensile strength test | |
| CN211681717U (en) | Adjusting type mounting bracket for chromium plating die | |
| CN217717272U (en) | Wall material compressive strength detection device | |
| CN217256040U (en) | Retainer disassembling device for bearing detection | |
| CN214503149U (en) | Traction pull rod tensile test device | |
| CN220650336U (en) | Bending strength detection device |
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: 20200922 Termination date: 20211126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |