CN107153129A - 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
- CN107153129A CN107153129A CN201710451599.4A CN201710451599A CN107153129A CN 107153129 A CN107153129 A CN 107153129A CN 201710451599 A CN201710451599 A CN 201710451599A CN 107153129 A CN107153129 A CN 107153129A
- Authority
- CN
- China
- Prior art keywords
- plate
- poles
- guide rod
- bolt
- adapter
- 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.)
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Classifications
-
- 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
- G01R1/0425—Test clips, e.g. for IC's
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The present invention relates 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 present invention can be press-fited 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;What by changing, different adapters and positioning conducting block can realize different profile bolt devices press-fits requirement.It is of the invention to be applied in the full Dynamic Test Fixture of bolt device at present, in the other specification test and experiment that can also be applied to the device.
Description
Technical field
It is used for screw bolt-type power semiconductor device automatic press mounting test fixture the present invention relates to one kind, different spiral shells can be directed to
Its special adapter of bolt type power semiconductor device form fit carries out Automatic-clamping.Screw bolt-type electric power half is can be applied at present
In conductor device 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 typically by screw or is directly anchored to radiator and extraction electrode in use to realize its good function quality
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 in process of the test, 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.
The content of the invention
It is an object of the invention to provide a kind of screw bolt-type power semiconductor device automatic press mounting test fixture.
The technical solution of the present invention is as follows:Screw bolt-type power semiconductor device automatic press mounting test fixture, including master
Institutional 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) adjustable K of decomposition pressure draw
Chu Ji mechanisms, K extraction poles (2) are slidably matched with regulation stud (3), and electrode spring (19) is compressed in regulation stud (3) and drawn with K
Between the lower end for going out pole (2), regulation stud (3) is fixed on K poles upper mounted plate (4) after coordinating with swivel nut (21) screw thread, wherein K
Pole upper mounted plate (4) is insulating part;K poles upper mounted plate (4) and K poles fixed board (20), portable plate (18) formation framework;Adaptation
Under device bracket upper plate (27) and adaptor bracket riser (28), adaptor bracket bottom plate (29), adapter upper plate (7), adapter
Plate (14) constitutes the hold-down mechanism of bolt device, adaptor bracket upper plate (27), two adaptor bracket risers (28) and adaptation
Device tray plate (29) constitutes adaptor bracket, and the framework may be inserted into the chute of portable plate (18), is drawn and sold by adapter
(5) position;Adapter upper plate (7) and adapter lower plate (14) are connected by screw composition adapter, and upper plate (7) is insulating part,
Lower plate (14) is 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 fixed on lower insulation plate (23) by screw (35) and spring (31);4 heating rods (36) are embedded in heating plate (9);
Thermocouple (11) is interior through the embedded heating plate (9) of spring (32), adopts the shell temperature that warm contact is used to take measured device upward;Positioning
Plate (12) is fixed in heating plate (9) by shop bolt (33), 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);Linear bearing (6) is interference fitted with portable plate (18) and sliding up and down freely for portable plate (18) can be achieved;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.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).
Thermocouple (11) is not when measured device (8) press-fits, and its upper surface is concordant with the upper surface of heating plate (9), it is to avoid
The mechanical collision of thermocouple is damaged during pick (8);When in press-fited when, 4 supports being provided with heating plate (9)
Spring (31) and the tightening spring (32) of thermocouple (11) bottom are all in compressive state, it is ensured that thermocouple and device (8) bottom
Shell reliable contacts, and then fast and accurately temperature-responsive can be realized.
The present invention can be press-fited and in heating plate, and A, K the two poles of the earth can be real according to different screw bolt-type semiconductor devices
Now automatic connection.K draws extremely copper material, and upper end is the electrical connection that helicitic texture is used for needed for testing, press-fit posterior end and
The K poles reliable contacts of bolt device.Draw and then realized by positioning conducting block, heating plate and A extraction poles reliable contacts in A poles.A
The left end pore structure of extraction pole is used to test required electrical connection.Heated as desired by heating plate for measured device, and
Pass through thermocouple real-time monitor part skin temperature.Pin is drawn by adjusting regulation stud and guide rod according to the device of different height
Position ensures K extraction poles and device and the reliable contacts of device and positioning conducting block;According to the device of different profiles it is replaceable with
Corresponding adapter and positioning conducting block.It is of the invention to be applied in the full Dynamic Test Fixture of bolt device at present, also may be used
Applied in the other specification test and experiment of the device.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
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.
Specific embodiment party
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 and K poles fixed board 20, the formation framework of 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 the composition of adaptor bracket bottom plate 29 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, which are embedded in, to be added
In hot 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;It is fixed
Position plate 12 is fixed in heating plate 9 by shop bolt 33, and positioning conducting block 13 is positioned by the cylindrical and location-plate 12 of oneself;
A extraction poles 22 are fixed on heating plate 9 with A extraction poles fixing screws 34.Guide rod draws pin bracket 17 to coordinate with the hole axle gap of guide rod 24,
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 the mistake of portable plate 18
It is full of to coordinate and sliding up and down freely for portable plate can be achieved;Lower insulation plate 23 is fixed with bottom plate 10 by screw;Cylinder 25 leads to
Screw is crossed to hang upside down below bottom plate 10;Cylinder supporting plate 26 is used to connect cylinder 25 and two guide rods 24.Bottom plate 10 with
Cylinder 25, cylinder supporting plate 26, guide rod 24, portable plate 18, linear bearing 6, guide rod draw pin 16, guide rod to draw the composition main frame of pin bracket 17
Structure framework.
1st, designing points of the invention
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 the composition main machine frame framework of pin bracket 17.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 is extruded, cylinder supporting plate 26 drives two guide rods and whole upper spider court
Lower motion.The advantage 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 is designed
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 constitute the hold-down mechanism of bolt device.Pin 16 and guide rod is drawn to draw pin by adjusting guide rod before press-fiting
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
4 heating rods 36 and a thermocouple 11 are embedded with inside heating plate 9, the industrial control unit (ICU) of connection 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 press-fits, due to the He of thermocouple 11
The support spring 31 of heating plate 9 is in natural length, so its upper surface is concordant with the upper surface of calandria, so avoids
The mechanical collision of thermocouple is damaged during pick 8.And when in press-fited when, 4 support springs 31 of heating plate 9 are (in Fig. 1
Only draw 2) and thermocouple 11 tightening spring 32 all in compressive state, it is ensured that thermocouple 11 and the drain pan of device 8 are reliable
Contact.And then fast and accurately temperature-responsive can be realized.
2nd, actual effect
The present invention is had application on the full Dynamic Test Fixture of electric semiconductor at present.This experimental condition requires measured device AK
Pole reliable contacts, device can be heated, certain voltage and electric current can be applied, can real-time monitor part shell temperature, whole test
Path 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.Because its is automatic
The characteristics of press-fiting, preferably ensure that testing efficiency and accuracy.
3rd, conclusion
The present invention be directed to a kind of new and effective automatic press mounting test that the test of screw bolt-type power semiconductor device is proposed
Fixture.It is applied in full Dynamic Test Fixture at present, using effect is good.In view of its various features, this fixture can also be applied
In screw bolt-type power semiconductor device other specification is tested and is tested.
Claims (5)
1. screw bolt-type power semiconductor device automatic press mounting test fixture, includes 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) and K poles fixed board (20), portable plate (18) formation framework;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 constituted, 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 upper plate (7) is insulating part, and lower plate (14) is steel part;
Adapter can be inserted into the chute in adaptor bracket bottom plate (29), be positioned by collision bead (15);Heating plate (9) passes through screw
(35) it is fixed on spring (31) on lower insulation plate (23);4 heating rods (36) are embedded in heating plate (9);Thermocouple (11) is worn
Cross in the embedded heating plate (9) of spring (32), adopt the shell temperature that warm contact is used to take measured device upward;It is fixed that location-plate (12) passes through
Position pin (33) is fixed in heating plate (9), and positioning conducting block (13) is positioned by the cylindrical and location-plate (12) of oneself;A draws
Go out pole (22) and be fixed on heating plate (9) with A extraction poles fixing screws (34);Guide rod is drawn between pin bracket (17) and guide rod (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);Linear bearing
(6) it is interference fitted with portable plate (18) and sliding up and down freely for portable plate (18) can be achieved;Lower insulation plate (23) and bottom plate
(10) fixed by screw;Cylinder (25) is hung upside down in bottom plate (10) below by screw;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) composition main machine frame framework.
2. as claimed in claim 1, screw bolt-type power semiconductor device automatic press mounting test fixture, it is characterised in that:Guide rod
(24) upper end is provided with guide rod spring (1).
3. as claimed in claim 1, screw bolt-type power semiconductor device automatic press mounting test fixture, it is characterised in that:K extraction poles
(2) upper end is provided with adjusting nut.
4. as claimed in claim 1, screw bolt-type power semiconductor device automatic press mounting test fixture, it is characterised in that:Two are led
Bar (24) upper end is provided with two adjusting nuts (30).
5. as claimed in claim 1, screw bolt-type power semiconductor device automatic press mounting test fixture, it is characterised in that:Thermocouple
(11) when measured device does not press-fit, its upper surface is concordant with the upper surface of heating plate (9), it is to avoid to thermoelectricity during pick
The mechanical collision damage of even (11);When in press-fited when, 4 support springs (31) being provided with heating plate (9) and thermocouple
(11) the tightening spring (32) of bottom is all in compressive state, it is ensured that thermocouple (11) and device drain pan reliable contacts, and then
Fast and accurately temperature-responsive can be achieved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710451599.4A CN107153129B (en) | 2017-06-15 | 2017-06-15 | Automatic press-fit test fixture for bolt type power semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710451599.4A CN107153129B (en) | 2017-06-15 | 2017-06-15 | Automatic press-fit test fixture for bolt type power semiconductor device |
Publications (2)
Publication Number | Publication Date |
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CN107153129A true CN107153129A (en) | 2017-09-12 |
CN107153129B CN107153129B (en) | 2023-05-16 |
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CN201710451599.4A Active CN107153129B (en) | 2017-06-15 | 2017-06-15 | Automatic press-fit test fixture for bolt type power semiconductor device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108549004A (en) * | 2018-07-03 | 2018-09-18 | 北京智创骏驰电气科技有限公司 | A kind of device testing apparatus |
CN108732482A (en) * | 2018-07-09 | 2018-11-02 | 西安派瑞功率半导体变流技术股份有限公司 | High-power IGCT device test fixtures slide unit detent mechanism |
CN109755140A (en) * | 2019-02-27 | 2019-05-14 | 西安派瑞功率半导体变流技术股份有限公司 | The general automatic press mounting mechanism of high-power electric-power semiconductor device |
CN110726913A (en) * | 2018-06-28 | 2020-01-24 | 株洲中车时代电气股份有限公司 | Semiconductor device testing device |
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2017
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GB1336424A (en) * | 1972-09-28 | 1973-11-07 | Standard Telephones Cables Ltd | Stripline package adaptor |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110726913A (en) * | 2018-06-28 | 2020-01-24 | 株洲中车时代电气股份有限公司 | Semiconductor device testing device |
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CN108732482A (en) * | 2018-07-09 | 2018-11-02 | 西安派瑞功率半导体变流技术股份有限公司 | High-power IGCT device test fixtures slide unit detent mechanism |
CN108732482B (en) * | 2018-07-09 | 2023-12-29 | 西安派瑞功率半导体变流技术股份有限公司 | High-power IGCT device test fixture sliding table positioning mechanism |
CN109755140A (en) * | 2019-02-27 | 2019-05-14 | 西安派瑞功率半导体变流技术股份有限公司 | The general automatic press mounting mechanism of high-power electric-power semiconductor device |
CN109755140B (en) * | 2019-02-27 | 2023-10-17 | 西安派瑞功率半导体变流技术股份有限公司 | Universal automatic press-fitting mechanism for high-power semiconductor device |
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