CN206990636U - Screw bolt-type power semiconductor device automatic press mounting test fixture - Google Patents
Screw bolt-type power semiconductor device automatic press mounting test fixture Download PDFInfo
- Publication number
- CN206990636U CN206990636U CN201720695741.5U CN201720695741U CN206990636U CN 206990636 U CN206990636 U CN 206990636U CN 201720695741 U CN201720695741 U CN 201720695741U CN 206990636 U CN206990636 U CN 206990636U
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- plate
- poles
- bolt
- guide rod
- adapter
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- Withdrawn - After Issue
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Abstract
It the utility model is related to a kind of screw bolt-type power semiconductor device automatic press mounting test fixture, including main machine frame framework, the K extraction poles mechanism of pressure adjustable, bolt device hold-down mechanism, the utility model can be pressed according to different screw bolt-type semiconductor devices in heating plate, and bolt device A, K the two poles of the earth can realize automatic connection.Heated by heating plate for measured device, and pass through thermocouple real-time monitor part skin temperature.Regulation stud is adjusted according to the device of different height and guide rod draws the position of pin, to ensure bolt device A, K electrode reliable contacts simultaneously；The press fitting requirement of different profile bolt devices can be realized by changing different adapters and positioning conducting block.The utility model has been applied in the full Dynamic Test Fixture of bolt device at present, can also be applied in the other specification test and experiment of the device.
Description
Technical field
It the utility model is related to one kind and be used for screw bolt-type power semiconductor device automatic press mounting test fixture, difference can be directed to
Screw bolt-type power semiconductor device form fit its special adapter carry out Automatic-clamping.Screw bolt-type electricity is can be applied at present
In power semiconductor devices items testing equipment, measured device can be preheated by bottom plate heating system and temperature control.
Background technology
At present in electric semiconductor application field, the application of screw bolt-type device is more and more extensive, its contour structures
It is more and more.There are outer six sides single thread type, outer cubic four screws fixed, the extraction pole height wide variety of negative electrode.This kind of device
Part to realize its good function quality, typically by screw or is directly anchored to radiator and extraction electrode in use
On.Screw bolt-type device must carry out various dispatch from the factory test and reliability tests before dispatching from the factory, in reliability test is carried out to device
Be in the past by device by the screw thread of itself or it is fixed on hot plate, to realize constant temperature or the radiating during testing, but by
Many in the profile species of screw bolt-type device, fixed form needs manual pretension, hand-held thermocouple point need to be used to survey device surface
Temperature, negative electrode draws and is also required to manual wiring and draws.Device surface is so caused to adopt temperature and forbidden and cause final test data
Error is larger, testing efficiency is low, extremely inconvenient in actual tests.
Utility model content
The purpose of this utility model is to provide a kind of screw bolt-type power semiconductor device automatic press mounting test fixture.
Technical solution of the present utility model is as follows：Screw bolt-type power semiconductor device automatic press mounting test fixture, bag
Include main machine frame framework, the K extraction poles mechanism of pressure adjustable, the hold-down mechanism of bolt device, K poles fixed board (20), portable plate
(18), K poles upper mounted plate (4), regulation stud (3), K extraction poles (2), electrode spring (19), swivel nut (21) decomposition pressure is adjustable
K extraction poles mechanism, K extraction poles (2) are slidably matched with regulation stud (3), and electrode spring (19) is compressed in regulation stud (3)
Between the lower end of K extraction poles (2), regulation stud (3) is fixed on K poles upper mounted plate (4) after coordinating with swivel nut (21) screw thread,
Wherein K poles upper mounted plate (4) is insulating part；K poles upper mounted plate (4) forms frame with K poles fixed board (20), portable plate (18)
Frame；It is adaptor bracket upper plate (27) and adaptor bracket riser (28), adaptor bracket bottom plate (29), adapter upper plate (7), suitable
Orchestration lower plate (14) forms the hold-down mechanism of bolt device, adaptor bracket upper plate (27), two adaptor bracket risers (28)
Adaptor bracket is formed with adaptor bracket bottom plate (29), the framework may be inserted into the chute of portable plate (18), pass through adaptation
Device draws pin (5) positioning；Adapter upper plate (7) and adapter lower plate (14) are connected by screw composition adapter, adapter upper plate
(7) it is insulating part, lower plate (14) is steel part；Adapter can be inserted into the chute in adaptor bracket bottom plate (29), pass through collision bead
(15) position；Heating plate (9) is fixed on lower insulation plate (23) by screw (35) and spring A (31)；4 heating rods (36)
In heating plate (9)；Thermocouple (11) is interior through the embedded heating plate (9) of spring B (32), adopts warm contact and is used to take upward
The shell temperature of measured device；Location-plate (12) is fixed in heating plate (9) by shop bolt (33), and positioning conducting block (13) passes through
Cylindrical and location-plate (12) positioning of oneself；A extraction poles (22) are fixed on heating plate (9) with A extraction poles fixing screws (34)；Lead
Bar draws pin bracket (17) to coordinate with guide rod (24) hole axle gap, by guide rod pin (16) can be drawn to be stuck in the neck of guide rod (24),
For lifting whole portable plate (18)；The upper and lower of portable plate (18) can be achieved with portable plate (18) interference fit in linear bearing (6)
Slide freely；Lower insulation plate (23) is fixed with bottom plate (10) by screw；Cylinder (25) is hung upside down in lower fixation by screw
Plate (10) is below；Cylinder supporting plate (26) is used to connect cylinder (25) and two guide rods (24), bottom plate (10) and cylinder (25),
Cylinder supporting plate (26), guide rod (24), portable plate (18), linear bearing (6), guide rod draw pin (16), guide rod to draw pin bracket (17) group
Into main machine frame framework.
Guide rod (24) upper end is provided with guide rod spring (1).
K extraction poles (2) upper end is provided with adjusting nut.
Two guide rod (24) upper ends are provided with two adjusting nuts (30).
For thermocouple (11) when measured device is not pressed, its upper surface is concordant with the upper surface of heating plate (9), avoids and takes
The mechanical collision of thermocouple (11) is damaged when putting device；When in be pressed when, 4 support bullets being provided with heating plate (9)
The tightening spring B (32) of spring A (31) and thermocouple (11) bottom ensure that thermocouple (11) and device all in compressive state
Drain pan reliable contacts, and then fast and accurately temperature-responsive can be realized.
The utility model can be pressed according to different screw bolt-type semiconductor devices with heating plate, and A, K the two poles of the earth
Automatic connection can be achieved.K draws extremely copper material, and upper end is that helicitic texture is used to test required electrical connection, after press fitting under
End and the K poles reliable contacts of bolt device.Draw then by positioning conducting block, heating plate and A extraction poles reliable contacts come real A poles
It is existing.The left end pore structure of A extraction poles is used to test required electrical connection.Add as desired by heating plate for measured device
Heat, and pass through thermocouple real-time monitor part skin temperature.According to the device of different height by adjusting regulation stud and guide rod
Drawing the position of pin ensures K extraction poles and device and the reliable contacts of device and positioning conducting block；Can according to the device of different profiles
Change corresponding adapter and positioning conducting block.The utility model has been set applied to the full dynamic test of bolt device at present
In standby, it can also be applied in the other specification test and experiment of the device.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is thermocouple enlarged diagram in Fig. 1.
Fig. 3 is the fixation enlarged diagram of heating plate in Fig. 1.
Fig. 4 is Fig. 1 side view.
Fig. 5 is adaptor bracket partial schematic diagram.
Fig. 6 is Fig. 5 top view.
Fig. 7 is Fig. 5 A-A sectional views.
Fig. 8 is bolt device schematic diagram.
Embodiment
Screw bolt-type power semiconductor device automatic press mounting test fixture includes main machine frame framework, the K of pressure adjustable draws
The hold-down mechanism of Chu Ji mechanisms, bolt device, K poles fixed board 20, portable plate 18, K poles upper mounted plate 4, regulation stud 3, K draw
Go out pole 2, the adjustable K extraction poles mechanism of the decomposition pressure of swivel nut 21, wherein K extraction poles 2 are slidably matched with regulation stud 3, and adjust
Stud 3 is fixed on K poles upper mounted plate 4 after coordinating with the screw thread of swivel nut 21, and wherein K poles upper mounted plate 4 is insulating part；K is extremely upper solid
Fixed board 4 forms framework with K poles fixed board 20, portable plate 18；Adaptor bracket upper plate 27 and adaptor bracket riser 28, it is adapted to
Device tray plate 29, adapter upper plate 7, the hold-down mechanism of the composition bolt device of adapter lower plate 14, adaptor bracket upper plate 27,
Two adaptor bracket risers 28 and adaptor bracket bottom plate 29 form adaptor bracket (dashed middle line frame portion point；See Fig. 3), should
Framework may be inserted into the chute of portable plate 18, draw pin 5 to position by adapter；Adapter upper plate 7 and adapter lower plate 14 are logical
Mode connects for screw composition adapter is crossed, upper plate is insulating part, and lower plate is steel part.Adapter can be inserted into adaptor bracket bottom plate 29
In chute, positioned by collision bead 15；Heating plate 9 is suspended from lower insulation plate 23 by screw and spring；4 heating rods 36 are embedded in
In heating plate 9；Thermocouple 11 is embedded in heating plate 9 through spring, adopts the shell temperature that warm contact is used to take measured device 8 upward；
Location-plate 12 is fixed in heating plate 9 by shop bolt 33, and positioning conducting block 13 is fixed by the cylindrical and location-plate 12 of oneself
Position；A extraction poles 22 are fixed on heating plate 9 with A extraction poles fixing screws 34.Guide rod draws pin bracket 17 and the hole axle gap of guide rod 24
Coordinate, by guide rod pin 16 can be drawn to be stuck in the neck of guide rod 24, for lifting whole portable plate 18；Linear bearing 6 and activity
Sliding up and down freely for portable plate can be achieved in the interference fit of plate 18；Lower insulation plate 23 is fixed with bottom plate 10 by screw；Gas
Cylinder 25 is hung upside down below bottom plate 10 by screw；Cylinder supporting plate 26 is used to connect cylinder 25 and two guide rods 24.Lower fixation
Plate 10 draws pin 16, guide rod to draw 17 groups of pin bracket with cylinder 25, cylinder supporting plate 26, guide rod 24, portable plate 18, linear bearing 6, guide rod
Into main machine frame framework.
1st, designing points of the present utility model
1) pilot pressure mechanism of stretching design
Bottom plate 10 and cylinder 25, cylinder supporting plate 26, guide rod 24, guide rod spring 1, portable plate 18, linear bearing 6, lead
Bar draws pin 16, guide rod to draw pin bracket 17 to form main machine frame framework.Wherein bottom plate 10 can be fixed in operating table surface.Cylinder 25
It is projecting to be fixed on below bottom plate 10.When cylinder 25 extrudes, cylinder supporting plate 26 drives two guide rods and whole upper spider court
Lower motion.The advantages of this structure is that space is opened wide completely in operating table surface, facilitates test man to carry out sequence of operations program.
2) the K extraction poles mechanism design of pressure adjustable
K poles fixed board 20, portable plate 18, K poles upper mounted plate 4, regulation stud 3, K extraction poles 2, electrode spring 19, spiral shell
Cover the adjustable K extraction poles mechanism of 21 decomposition pressures.The natural height of K extraction poles 2 is can adjust by rotating regulation stud 3；Pass through
The nut for rotating the upper end of K extraction poles 2 can adjust the precompressed length of electrode spring 19, so as to reach regulation K extraction poles 2 and device K poles
Contact.
3) bolt device hold-down mechanism designs
See Fig. 3 and Fig. 4, adaptor bracket upper plate 27 and adaptor bracket riser 28, adaptor bracket bottom plate 29, adapter
Upper plate 7, adapter lower plate 14 form the hold-down mechanism of bolt device.Pin 16 and guide rod is drawn to draw pin by adjusting guide rod before press fitting
The position of bracket 17 ensures that be put into the upper end of measured device 8 does not interfere with the lower end of K extraction poles 2；Led by adjusting two
The adjusting nut 30 of bar the top can adjust the precompressed length of guide rod spring, so can reach regulation adapter upper plate 7 be pressed in by
The pressure at the bolt edge of device 8 is surveyed, so as to ensure that the reliable contacts of device A poles.
4) bolt device heating and device drain pan sample temperature conceptual design
The inside of heating plate 9 is embedded with 4 heating rods 36 and a thermocouple 11, and connecting the industrial control unit (ICU) of peripheral hardware can make to be tested
Device 8 is rapidly heated when preheating and to stationary temperature.Thermocouple 11 is not when measured device 8 is pressed, due to the He of thermocouple 11
The support spring A31 of heating plate 9 is in natural length, so its upper surface is concordant with the upper surface of calandria, so it is avoided that
The mechanical collision of thermocouple is damaged during pick 8.And when in be pressed when, heating plate 94 support spring A31 (figure
2 are only drawn in 1) and thermocouple 11 tightening spring B 32 all in compressive state, ensure that thermocouple 11 and the drain pan of device 8
Reliable contacts.And then fast and accurately temperature-responsive can be realized.
2nd, actual effect
The utility model has application on the full Dynamic Test Fixture of electric semiconductor at present.The tested device of this experimental condition requirement
Part AK poles reliable contacts, device can be heated, certain voltage and electric current can be applied, can real-time monitor part shell temperature, whole
Test access is dielectrically separated from other.Such a fixture meets above-mentioned test requirements document well from the point of view of result of the test.Due to it
The characteristics of automatic press mounting, it preferably ensure that testing efficiency and accuracy.
3rd, conclusion
The utility model is a kind of new and effective automatic press mounting proposed for the test of screw bolt-type power semiconductor device
Test fixture.It is applied in full Dynamic Test Fixture at present, using effect is good.In view of its various features, this fixture may be used also
In testing and test applied to screw bolt-type power semiconductor device other specification.
Claims (5)
1. screw bolt-type power semiconductor device automatic press mounting test fixture, include the K extraction pole machines of main machine frame framework, pressure adjustable
The hold-down mechanism of structure, bolt device, it is characterised in that：K poles fixed board (20), portable plate (18), K poles upper mounted plate (4), tune
Save stud (3), K extraction poles (2), electrode spring (19), the adjustable K extraction poles mechanism of swivel nut (21) decomposition pressure, K extraction poles
(2) be slidably matched with regulation stud (3), electrode spring (19) be compressed in regulation stud (3) and K extraction poles (2) lower end it
Between, regulation stud (3) is fixed on K poles upper mounted plate (4) after coordinating with swivel nut (21) screw thread, and wherein K poles upper mounted plate (4) is
Insulating part；K poles upper mounted plate (4) forms framework with K poles fixed board (20), portable plate (18)；Adaptor bracket upper plate (27)
With adaptor bracket riser (28), adaptor bracket bottom plate (29), adapter upper plate (7), adapter lower plate (14) composition bolt
The hold-down mechanism of device, adaptor bracket upper plate (27), two adaptor bracket risers (28) and adaptor bracket bottom plate (29)
Adaptor bracket is formed, the framework may be inserted into the chute of portable plate (18), draw pin (5) to position by adapter；Adapter
Upper plate (7) and adapter lower plate (14) are connected by screw composition adapter, and adapter upper plate (7) is insulating part, lower plate (14)
For steel part；Adapter can be inserted into the chute in adaptor bracket bottom plate (29), be positioned by collision bead (15)；Heating plate (9) is logical
Cross screw (35) and spring A (31) is fixed on lower insulation plate (23)；4 heating rods (36) are in heating plate (9)；Thermocouple
(11) it is interior through the embedded heating plate (9) of spring B (32), adopt the shell temperature that warm contact is used to take measured device upward；Location-plate
(12) it is fixed on by shop bolt (33) in heating plate (9), the cylindrical and location-plate that positioning conducting block (13) passes through oneself
(12) position；A extraction poles (22) are fixed on heating plate (9) with A extraction poles fixing screws (34)；Guide rod draws pin bracket (17) with leading
Bar (24) hole axle gap coordinates, and by guide rod pin (16) can be drawn to be stuck in the neck of guide rod (24), for lifting whole portable plate
(18)；Sliding up and down freely for portable plate (18) can be achieved with portable plate (18) interference fit in linear bearing (6)；Lower insulation plate
(23) fixed with bottom plate (10) by screw；Cylinder (25) is hung upside down in bottom plate (10) below by screw；Cylinder support
Plate (26) is used to connect cylinder (25) and two guide rods (24), bottom plate (10) and cylinder (25), cylinder supporting plate (26), guide rod
(24), portable plate (18), linear bearing (6), guide rod draw pin (16), guide rod to draw pin bracket (17) composition main machine frame framework.
2. screw bolt-type power semiconductor device automatic press mounting test fixture as claimed in claim 1, it is characterised in that：Guide rod
(24) upper end is provided with guide rod spring (1).
3. screw bolt-type power semiconductor device automatic press mounting test fixture as claimed in claim 1, it is characterised in that：K is drawn
Pole (2) upper end is provided with adjusting nut.
4. screw bolt-type power semiconductor device automatic press mounting test fixture as claimed in claim 1, it is characterised in that：Two are led
Bar (24) upper end is provided with two adjusting nuts (30).
5. screw bolt-type power semiconductor device automatic press mounting test fixture as claimed in claim 1, it is characterised in that：Thermocouple
(11) when measured device is not pressed, its upper surface is concordant with the upper surface of heating plate (9), to thermoelectricity when avoiding pick
The mechanical collision damage of even (11)；When in be pressed when, 4 support spring A (31) being provided with heating plate (9) and thermocouple
(11) the tightening spring B (32) of bottom ensure that thermocouple (11) and device drain pan reliable contacts all in compressive state, and then
Fast and accurately temperature-responsive can be achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695741.5U CN206990636U (en) | 2017-06-15 | 2017-06-15 | Screw bolt-type power semiconductor device automatic press mounting test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695741.5U CN206990636U (en) | 2017-06-15 | 2017-06-15 | Screw bolt-type power semiconductor device automatic press mounting test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990636U true CN206990636U (en) | 2018-02-09 |
Family
ID=61395586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720695741.5U Withdrawn - After Issue CN206990636U (en) | 2017-06-15 | 2017-06-15 | Screw bolt-type power semiconductor device automatic press mounting test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206990636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153129A (en) * | 2017-06-15 | 2017-09-12 | 西安派瑞功率半导体变流技术股份有限公司 | Screw bolt-type power semiconductor device automatic press mounting test fixture |
-
2017
- 2017-06-15 CN CN201720695741.5U patent/CN206990636U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153129A (en) * | 2017-06-15 | 2017-09-12 | 西安派瑞功率半导体变流技术股份有限公司 | Screw bolt-type power semiconductor device automatic press mounting test fixture |
| CN107153129B (en) * | 2017-06-15 | 2023-05-16 | 西安派瑞功率半导体变流技术股份有限公司 | Automatic press-fit test fixture for bolt type power semiconductor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180209 Effective date of abandoning: 20230516 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180209 Effective date of abandoning: 20230516 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |