CN106706963A - Large power compression type IGBT package module press mounting test clamp - Google Patents
Large power compression type IGBT package module press mounting test clamp Download PDFInfo
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- CN106706963A CN106706963A CN201510451005.0A CN201510451005A CN106706963A CN 106706963 A CN106706963 A CN 106706963A CN 201510451005 A CN201510451005 A CN 201510451005A CN 106706963 A CN106706963 A CN 106706963A
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- block
- water inlet
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- 230000006835 compression Effects 0.000 title claims abstract description 42
- 238000007906 compression Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 2
- 230000000630 rising effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 5
- 230000000694 effects Effects 0.000 description 6
- 239000007769 metal material Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- BYACHAOCSIPLCM-UHFFFAOYSA-N 2-[2-[bis(2-hydroxyethyl)amino]ethyl-(2-hydroxyethyl)amino]ethanol Chemical group OCCN(CCO)CCN(CCO)CCO BYACHAOCSIPLCM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 240000006890 Erythroxylum coca Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000008957 cocaer Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention provides a large power compression type IGBT package module press mounting test clamp which comprises a first fixed plate stack, a first conductive plate, a first water cooling heat radiation stack, a second conductive plate, a second water cooling heat radiation stack, a third conductive plate, and a second fixed plate stack which are in orderly compression connection from bottom to top in a horizontal direction and also comprises a water path main pipe and an insulation support rod arranged in a vertical direction. The water path main pipe is connected to the first water cooling heat radiation stack and the second water cooling heat radiation stack. The insulation support rod is arranged between the first fixed plate stack and the second first fixed plate stack. The second fixed plate stack comprises a pushing column and a second fixed plate with a through hole in the middle. The pushing column comprises a base and a support column formed in an integrated mode. The base and the third conductive plate are in a compression connection, and the support column extends into the through hole. A compensation replacement gasket is arranged between the base and the second fixed plate and is a metal gasket. The clamp has the advantages of easy operation, easy maintenance, a simple and compact overall structure, reasonable layout, good reliability and stability, and good heat radiation performance.
Description
Technical field
The present invention relates to a kind of fixture, in particular to a kind of high-power compression joint type IGBT package modules press-fit test fixture.
Background technology
IGBT, as a kind of main flow device, has evolved to be commercialized for the 5th generation in the world now, and IGBT packaged types are also more
Sample, for the variation of packaged type, the press-fit approach of compression joint type IGBT package module test fixture components be also it is varied,
The compression joint type IGBT package module test fixture modular constructions of wherein current comparative maturity be divided into from press-fit approach winding belt and absolutely
Two kinds of edge rod-type.
Although the material of two ways selection is glass-epoxy, material used by belt is wound around considerably beyond exhausted
Edge rod-type, and wind belt due to size it is non-adjustable can cause finally to press-fit compression joint type IGBT time errors it is very big the shortcomings of, no
It is adapted to press-fit fixed high-power IGBT package module test fixture component, winding belt Impact direction is indefinite etc., and factor can cause
Pressure assembling force is uneven under compression joint type IGBT package module working conditions, integral clamp component assembling force operating difficulties, assembly precision
Relatively low, operating current low capacity is small, reliability is low, when pressure assembling force is less than high-power compression joint type IGBT package modules normal work institute
During the minimum regulatory value for needing, component performance degradation is even destroyed under may triggering high current operating mode；And work as pressure assembling force more than big work(
The highest setting of rate compression joint type IGBT package module normal works, then can increase mechanical stress on silicon wafer, in thermal cycle frequently
Under numerous work operating mode, the service life but also the cathodic coating that may wear and tear of device can be not only substantially reduced so as to dull negative electrode-gate pole is short
Road failure.
Press-fiting test fixture component to compression joint type IGBT package modules at present, to press-fit requirement more and more stricter, especially for large scale
And the compression joint type IGBT package modules of high-power high-voltage grade, during compression joint type IGBT package module normal works must its two
End applies certain pressure assembling force, and the size of pressure assembling force has to last for unvaryingly keeping within the specific limits, to ensure device because of power consumption
And the heat for producing can be walked by biography.
Therefore in view of above-mentioned background, it is desirable to provide it is a kind of it is new with compact conformation, small volume, stable performance, it is safe and reliable,
The test fixture of the advantages of being easily assembled dismounting, be easier to apply pressure assembling force, is carried out with meeting high-power compression joint type IGBT package modules
Pressure assembling force needed for safe and reliable ON operation.
The content of the invention
In order to solve the above mentioned problem existing for prior art, present invention offer one kind is easily operated, be easy to maintenance, overall structure
Simpler compact, layout more reasonable, reliability and stability are more preferable, the more preferable compression joint type IGBT package modules of heat dispersion
Press-fit test fixture, the pressure distribution for making IGBT package modules is uniform, IGBT pressure assembling force requirements are effectively ensured.
The present invention provide technical scheme be：A kind of high-power compression joint type IGBT package modules press-fit test fixture, including level side
To the first fixed plate group set, the first conductive plate, the first water-cooling group set, the second conductive plate for crimping successively from the bottom to top,
Two water-cooling group sets, the 3rd conductive plate and the second fixed plate group set, and the water route that vertical direction is set are responsible for and insulating supporting
Bar；The water route supervisor is covered with first, second water-cooling group by water route branch pipe and is connected, and the insulating support rod is located at described
First fixed plate group is covered and the second fixed plate group set between；
It is theed improvement is that：The second fixed plate group set includes that the second fixed plate of through hole is left at top pressure post and middle part, described
Suppress including integrally formed base and pillar, the base is crimped with the 3rd conductive plate, the pillar stretches into described logical
In hole；Compensation is provided between the base and second fixed plate and exchanges pad, it is metallic gasket that pad is exchanged in the compensation.
Preferably, the first fixed plate group set includes that positioning block assembly and middle part leaves the first fixed plate of mounting hole, described fixed
The vertical vertical section of position block assembly is T-shaped；The vertical vertical section of the mounting hole is convex shape, and the internal diameter on its top is more than it
The internal diameter of bottom；Cylindrical insulating boot of the cross-sectional diameter equal to mounting hole upper inner diameter, institute are coaxially arranged with the mounting hole
State and be provided with insulating boot to putting dished spring assembly, described pair to put dished spring assembly vertically coaxial by the disc spring piece of different size standard
To putting composition；
The top of the positioning block assembly fits with the first conductive plate bottom, and its bottom is stretched into described pair and put in the middle part of dished spring assembly
In through hole.
Preferably, the first, second water-cooling group set respectively accompanies compression joint type IGBT therebetween including what vertical direction was parallel to each other
The water-filled radiator of package module；The water-filled radiator is respectively equipped with the cuboid of boss, the IGBT encapsulation for upper and lower surface
Boss of the upper lower convex platform of module respectively with upper and lower two water-filled radiators fits；
The water-filled radiator is respectively provided on two sides with damping resistance component and capacitance component；It is respectively provided on two sides with driving plate in addition
Bracket and water inlet and delivery port；
The capacitance component is connected between two damping resistance components by conductive copper sheet, and the damping resistance modules in parallel is in institute
State between the collector and emitter of IGBT package modules.
Further, water route supervisor includes water inlet supervisor and water outlet main pipe；Water route branch pipe includes water inlet pipe and exit branch；
The side wall of the water inlet supervisor is provided with the connecting tube for the water inlet supervisor to be connected with water inlet pipe；The water outlet master
The side wall of pipe is provided with the connecting tube for the water outlet main pipe to be connected with the exit branch；The water inlet pipe and it is described go out
The other end of water branch pipe is connected with the water inlet and delivery port of water-filled radiator respectively.
Further, the first fixed plate and the second fixed plate are rectangular metal plate, and the surrounding of the rectangular metal plate is respectively kept with to square
The center position of shape metallic plate raised circular arc cutaway, be additionally provided with the rectangular metal plate longitudinally through circumference equal dividing cloth
Lifting fixing hole；Be provided with the corner of first fixed plate longitudinally through screw, at the corner of second fixed plate correspondence
Be provided with longitudinally through through hole.
Further, insulating support rod has four, and its two ends is respectively provided with external screw thread, four one end of insulating support rod respectively with
The corner of the first fixed plate is sentenced screw-type connection and is fixed, and concordant with the first fixed plate bottom；Four insulating support rods it is another
It is connected with the second fixed plate by top nut after the through hole that end extends through at the second fixed plate corner.
Preferably, pad is exchanged in the compensation includes integrally formed U-shaped main gasket body and anti-to the opening of U-shaped main gasket body
The raised auxiliary spacer in direction, the top of the top pressure post through the U-shaped main gasket body U-shaped opening and stretch into described second
In through hole in the middle part of fixed plate.
Further, the positioning block assembly includes sphere top pressure block and sphere compensation block, and the sphere top pressure block includes being coaxially disposed
Integrally formed cylindrical support column and the supporting table on support column top, the top of the supporting table are in the sphere for raising up；Institute
Sphere compensation block is stated for rectangular block, the bottom of the sphere compensation block is in the upward depression adaptable with supporting table top sphere
Sphere；Fitted at the top of the bottom of the sphere compensation block and the supporting table, the lower surface of its top and the first conductive plate
Fit；The support column is stretched into the described pair of through hole put in the middle part of dished spring assembly.
Further, the driving board bracket is arranged on water-filled radiator sidepiece by bracket fixing groove；It is described to drive board bracket and institute
State bracket fixing groove and be plastic material；
It is described to drive board bracket for U-shaped bracket, including integrally formed connecting plate and the side plate for being vertical at the connecting plate two ends；
The connecting plate and the side plate are the doubling plate clamp region that jaws is left in inner side, so that driving plate can be from side end along U-shaped
Bracket openings opposite direction is inserted in the U-shaped bracket；
The bracket fixing groove includes rectangle base plate and the fixed plate located at the base plate one side both sides, shape between the fixed plate of both sides
Into fixing groove, the connecting plate is plugged in the fixing groove, and the another side of the base plate is pasted with the side of the water-filled radiator
Close.
Further, the upper/lower terminal of the water inlet supervisor and the water outlet main pipe respectively by fixed block assembly and the second fixed plate,
First fixed plate is connected；
The fixed block assembly includes U-shaped fixed block and rectangle auxiliary block；The U-shaped fixed block by integrally formed contiguous block and
It is vertical at the lateral mass composition at the contiguous block two ends；The contiguous block is connected with first, second fixed plate, is set on the lateral mass
There are two screws that horizontal direction runs through, the lateral mass inner side between two screws is left adaptable with water inlet supervisor and water outlet main pipe
Cross section is semicircular groove；
The auxiliary block is provided with two mounting holes for extending transversely through, and the spacing between described two mounting holes is equal to two on lateral mass
Spacing between screw, the auxiliary block between described two mounting holes is provided with transversal with what water inlet supervisor and water outlet main pipe were adapted
Face is semicircular groove；
The slot opening of the lateral mass is relative with the slot opening of the auxiliary block, is responsible for and described with the water inlet with forming diameter
The adaptable manhole of the pipe diameter of water outlet main pipe, the water inlet supervisor and water outlet main pipe pass through longitudinally through the through hole
The bolt for extending transversely through the mounting hole and the screw is arranged between contiguous block and auxiliary block.
Compared with immediate technical scheme, the present invention has following marked improvement：
(1) water-filled radiator afterbody by bracket fixing groove connect drive board bracket, drive board bracket using direct inserting mode with
Bracket fixing groove is connected, and total can be made compact, it is easy to dismantle；
(2) use of top pressure post and compensation exchange pad can compensate execute-in-place field of load and cause space greatly, make whole component
Pressure preferably kept；
(3) pad is exchanged in compensation includes integrally formed U-shaped main gasket body and the opening opposite direction projection to U-shaped main gasket body
Auxiliary spacer, hand-holdable auxiliary spacer during operation, will compensation exchange pad fill in compensation top pressure post and the second fixed plate between
In space, operation more facilitates；
(4) board bracket is driven for U-shaped bracket, including integrally formed connecting plate and the side plate for being vertical at the connecting plate two ends；
The connecting plate and the side plate are the doubling plate clamp region that jaws is left in inner side, so that driving plate can be from side end along U-shaped
Bracket openings opposite direction is inserted in the U-shaped bracket；The installation form of this drawer-like causes the installation and removal of driving plate more
Plus it is convenient, bracket fixing groove and driving board bracket make of high performance plastics material, and good insulation preformance is more convenient under high voltages
Work；
(5) insulating support rod bottom is directly threadedly coupled with the first fixed plate, and the bottom of insulating support rod and the first fixed plate
Bottom is concordant, is realizing easy for installation, while saving interface unit, whole component lower end structure can be made compact, component assembling
When bottom can keep necessarily required flatness；
(6) first fixed plates and the second fixed plate are rectangular metal plate, and the surrounding of the rectangular metal plate is respectively kept with to rectangle gold
Belong to the raised circular arc cutaway of the center position of plate；Weight can be mitigated in original rectangular configuration, make whole component overall weight
Mitigate；
(7) sphere top pressure block and sphere compensation block are used cooperatively with dished spring assembly, and longitudinal force divides after can assembling whole component
With more uniform.
Brief description of the drawings
Fig. 1 is the axonometric drawing that a kind of high-power compression joint type IGBT package modules that the present invention is provided press-fit test fixture；
Fig. 2 is the front view that a kind of high-power compression joint type IGBT package modules that the present invention is provided press-fit test fixture；
Fig. 3 is the right view that a kind of high-power compression joint type IGBT package modules that the present invention is provided press-fit test fixture；
Fig. 4 is the top view that a kind of high-power compression joint type IGBT package modules that the present invention is provided press-fit test fixture；
Fig. 5 is the A-A section views of the top view that a kind of high-power compression joint type IGBT package modules that the present invention is provided press-fit test fixture
Figure；
Fig. 6 be the present invention provide a kind of high-power compression joint type IGBT package modules press-fit test fixture driving version bracket fix
Groove；
Fig. 7 is the compensation exchange pad that a kind of high-power compression joint type IGBT package modules that the present invention is provided press-fit test fixture.
Wherein：1-the second fixed plate, 2-fixed block assembly, 3-top pressure post, 4-compensation exchange pad, 5-insulating support rod,
6-nut, the 7-the three conductive plate, 8-water-filled radiator group set, 9-drive board bracket, 10-bracket fixing groove.11—IGBT
Package module, the 12-the second conductive plate, the 13-the first conductive plate, 14-sphere compensation block, 15-sphere top pressure block, 16-dish
Spring component, 17-insulating boot, the 18-the first fixed plate, 19-water inlet supervisor, 20-water outlet main pipe, 21-electric capacity, 22-lead
Electrolytic copper piece, 23-damping resistance.
Specific embodiment
In order to be better understood from the present invention, present disclosure is described further with reference to Figure of description and example.
As shown in Figure 1-Figure 3：A kind of high-power compression joint type IGBT package modules of present invention offer press-fit test fixture to be included：Level
The first fixed plate group set, the first conductive plate 13, the first water-cooling group set, the second conductive plate that direction crimps successively from the bottom to top
12nd, the second water-cooling group set, the 3rd conductive plate 7 and the second fixed plate group set, water route supervisor's (19 Hes that vertical direction is set
20) with insulating support rod 5, the water route supervisor is covered with first, second water-cooling group by water route branch pipe and is connected, described exhausted
Edge support bar 5 is covered and the second fixed plate group set between located at the first fixed plate group.
As shown in figure 5, wherein：The second fixed plate group set includes that the top pressure post 3 that vertical vertical section is inverted T-shaped and middle part are stayed
There is the second fixed plate 1 of through hole, the bottom of the top pressure post 3 crimps with the 3rd conductive plate 7, its top is stretched into described logical
In hole；Compensation is provided between the lower surface of second fixed plate 1 and the top pressure post 3 and exchanges pad 4.
As shown in Figure 4：Second fixed plate 1 is with intensity is high, perfect heat-dissipating, the metal material that conducts electricity very well make,
It is flower-shape structure, * * cocas wide long are set according to specific design intensity difference；Its surrounding is respectively kept with to the second fixed plate 1
The raised circular arc cutaway of center position, can mitigate weight on the basis of original rectangular configuration, subtract whole component overall weight
Gently.
Be correspondingly provided with the corner of second fixed plate 1 longitudinally through through hole so that the energy of insulating support rod 5 of vertical direction
Through this through hole, the second fixed plate 1 and insulating support rod 5 are fixed；Be additionally provided with the rectangular metal plate longitudinally through circle
All equidistributed lifting fixing holes, for fixture lifting to get up to be tested.
As shown in Figure 1 and Figure 5, the upper surface middle part of second fixed plate 1 has cylindrical boss upwardly, and second consolidates
The through hole at the middle part of fixed board 1 runs through the cylindrical boss.
The top pressure post 3 makes of the good metal material of high-strength conductive, and its one end stretches into the through hole at the middle part of the second fixed plate 1,
And be connected with outside electric hydaulic sucker rod in the through hole, for transmitting pressure；The other end of the top pressure post 3 and
Three conductive plates 7 are crimped, on the pressure conduction that hydraulic pump can be so produced to water-filled radiator and compression joint type IGBT module, when
Hydraulic pump can form space when down suppressing, and the compensation that different-thickness is at this moment filled in one by one exchanges pad 4 until space is filled in
Full pressure is maintained.
It is the good metallic gasket of the high-strength conductive of different-thickness specification that pad 4 is exchanged in the compensation, when mounted can be according to thickness
Degree arbitrarily selects group, simple to operate.
The main body that pad 4 is exchanged in compensation is U-shaped, and the top of top pressure post 3 runs through U-shaped opening and stretches into second fixed plate 1
In the through hole at middle part；Compensation exchanges pad 4 and compensates the space formed between the fixed plate 1 of top pressure post 3 and second at various pressures,
It is maintained pressure.Load compensation for convenience and exchange pad 4, left on U-shaped main gasket body raised to opening opposite direction
Auxiliary spacer.Hand-holdable auxiliary spacer when so operating, exchanges compensation pad 4 and fills in the fixation of compensation top pressure post 3 and second
In space between plate 1.
As shown in Figure 1：3rd conductive plate 7 is with intensity is high, perfect heat-dissipating, the metal material that conducts electricity very well make；
Conductive plate sectional area is set according to current-carrying capacity.The effect of the 3rd conductive plate 7 is with the connection of the positive pole of electric capacity 21.
The first, second water-cooling group set respectively accompanies compression joint type IGBT package modules therebetween including what vertical direction was parallel to each other
11 water-filled radiator；The water-filled radiator is respectively equipped with the cuboid of boss, the IGBT package modules for upper and lower surface
Boss of the 11 upper lower convex platform respectively with upper and lower two water-filled radiators fits.
The water-filled radiator is respectively provided on two sides with damping resistance component and capacitance component；It is respectively provided on two sides with driving plate in addition
Bracket 9 and water inlet and delivery port.
The effect of water-filled radiator is to aid in compression joint type IGBT package modules 11 and damping resistance 23 radiates；Water-filled radiator is in work
The pure deionized water of injection, 48 DEG C of inflow temperature are connected from water inlet by outer loop water dispenser when making；Dissipating based on IGBT
Hot equipment material should possess the characteristics such as thermal conductivity is strong, conductance is high, anti-pressure ability is strong, corrosion resistance is strong；Water-filled radiator is used
Aluminium alloy is made, electroplating nickel on surface, and nickel plating layer thick is 8~12 μm.
Second conductive plate 12 is covered and the second water-cooling group set between located at the first water-cooling group, and second conductive plate 12 is led
Electroplax intensity is high, perfect heat-dissipating, the metal material that conducts electricity very well make；Conductive plate sectional area is set according to current-carrying capacity.
The effect of the second conductive plate 12 is connected with load.
The capacitance component includes electric capacity 21, and the damping resistance component includes resistance 23；Upper and lower two damping resistances 23 it
Between electric capacity 21 is set, electric capacity 21 is gone here and there by the conductive copper sheet 22 that the excellent red copper material of electric conductivity makes with damping resistance 23
Connection connection, damping resistance 23 is connected in parallel between the emitter and collector of IGBT package modules 11.
As shown in figs. 1 and 6, the driving board bracket 9 is connected by bracket fixing groove 10 with water-filled radiator；Drive board bracket
9 and bracket fixing groove 10 made using high performance plastics, good insulation preformance is more convenient to work under high voltages.
Driving board bracket 9 is U-shaped bracket, including integrally formed connecting plate and is vertical at the side plate at the connecting plate two ends；
The connecting plate and the side plate are doubling plate clamp region, so that the sidepiece of the connecting plate and the side plate forms jaws；
The jaws of the connecting plate is connected with the jaws of the side plate, so that driving plate can be along the U-shaped bracket openings opposite direction from institute
Side end is stated to insert in the U-shaped bracket；The form of this inserting mode drawer-like of driving plate, dismantles more convenient.
The bracket fixing groove 10 includes rectangle base plate and the fixed plate being parallel to each other located at the base plate one side both sides；It is described
The one side of base plate fits with the side of the water-filled radiator, and is fixed by bolt 6 and water-filled radiator, and its another side leads to
The fixing groove crossed between two fixed plates is connected with the connecting plate, and the connecting plate is directly plugged in the fixing groove.
As shown in figure 1, the water inlet and delivery port of water-filled radiator are respectively by water inlet pipe and exit branch and water inlet supervisor 19
It is connected with water outlet main pipe 20；The upper/lower terminal of the water inlet supervisor 19 and the water outlet main pipe 20 passes through fixed block assembly respectively
2 are connected with the second fixed plate 1, the first fixed plate 18；The fixed block assembly 2 by High Performance Insulation plastic production, PVC and
Polyimides etc. can.
The fixed block assembly 2 includes U-shaped fixed block and rectangle auxiliary block；The U-shaped fixed block is by integrally formed contiguous block
Constituted with the lateral mass for being vertical at the contiguous block two ends；The contiguous block is connected with first, second fixed plate 1, the lateral mass
Two screws that horizontal direction runs through are provided with, the lateral mass inner side between two screws is left and water inlet supervisor 19 and water outlet main pipe
20 adaptable cross sections are semicircular groove；
The auxiliary block is provided with two mounting holes for extending transversely through, and the spacing between described two mounting holes is equal to two on lateral mass
Spacing between screw, the auxiliary block between described two mounting holes is provided with and is adapted with water inlet supervisor 19 and water outlet main pipe 20
Cross section be semicircular groove；
The slot opening of the lateral mass is relative with the slot opening of the auxiliary block, to form diameter with water inlet supervisor 19 and the institute
The adaptable manhole of the pipe diameter of water outlet main pipe 20 is stated, the water inlet supervisor 19 and water outlet main pipe 20 are longitudinally through described logical
Hole, and be arranged between contiguous block and auxiliary block by extending transversely through the bolt of the mounting hole and the screw.
First conductive plate 13 is covered and the first fixed plate group set between located at the first water-cooling group, the first conductive plate 13 with intensity it is high,
Perfect heat-dissipating, the metal material for conducting electricity very well；Conductive plate sectional area is set according to current-carrying capacity.The effect of the first conductive plate 13
It is with the connection of the negative pole of electric capacity 21.
As shown in Figure 1 and Figure 5：The first fixed plate group set includes that the positioning block assembly that vertical vertical section is T-shaped and middle part are stayed
There is the first fixed plate 18 of mounting hole, the vertical vertical section of the mounting hole is convex shape, the internal diameter on its top is more than its underpart
Internal diameter；Cylinder planar insulating boot 17 of the cross-sectional diameter equal to mounting hole upper inner diameter is coaxially arranged with the mounting hole, is risen
To making sphere top pressure block 15 and sphere compensation block 14 and longitudinally fixed and electric insulation the effect of dished spring assembly 16；The insulating boot
It is provided with 17 to putting dished spring assembly 16, described pair to put dished spring assembly 16 vertically coaxial by the disc spring piece of different size standard
To putting composition；
The top of the positioning block assembly fits with the bottom of the first conductive plate 13, and its bottom stretches into described pair and puts dished spring assembly 16
In the through hole at middle part.
The positioning block assembly includes sphere top pressure block 15 and sphere compensation block 14, and the sphere top pressure block 15 includes being coaxially disposed
Integrally formed cylindrical support column and the supporting table on support column top, the top of the supporting table are in the sphere for raising up；Institute
Sphere compensation block 14 is stated for rectangular block, the bottom of the sphere compensation block 14 in supporting table top sphere be adapted to
The sphere of upper depression；Fitted at the top of the bottom of the sphere compensation block 14 and the boss, after can assembling whole component
The distribution of longitudinal force is more uniform.The top of the sphere compensation block 14 fits with the lower surface of the first conductive plate 13；It is described
Pillar is stretched into the described pair of through hole for putting the middle part of dished spring assembly 16, plays a part of fixed dished spring assembly 16.
First fixed plate 18 is identical with the shape of the second fixed plate 1, is also flower-shape interface, and simply the through hole at its corner is screwed hole,
The bottom of insulating support rod 5 is directly threadedly coupled with the second fixed plate 1, does not use bolt.
Dished spring assembly 16 uses the effect of 50CrVA, dished spring assembly 16 to be to compensate for due to part's machining errors and material properties
Longitudinal stress direction and the misaligned phenomenon in the axial direction of IGBT package modules 11 caused by error；By choosing different size standard dish
Reed ensures that compression joint type IGBT package modules 11 have the enough pressure just can normal work to putting to be formed to putting dished spring assembly 16
Make.
Insulating support rod 5 has four, installed in the first fixed plate group set and the surrounding of the second fixed plate group set, insulating support rod
5 are made from high performance reinforcing fiber material, can bear longitudinal stretching stress, and shank diameter is 20~30mm, and bar two ends are attacked respectively
Length is the external screw thread of 100mm；The bottom of insulating support rod 5 is threadedly coupled with the first fixed plate 18, and bottom is fixed with first
The lower surface of plate 18 is concordant, more facilitates during installation, saves attaching nut, can make whole component lower end structure compact in addition,
Bottom can keep necessarily required flatness when component is assembled；The top of insulating support rod 5 passes through the through hole of the second fixed plate 1,
And be detachably connected with the second fixed plate 1 by a high strength nut 6.
These are only embodiments of the invention, be not intended to limit the invention, it is all done in the spirit and principles in the present invention appoint
What is changed, and equal replacement, improvement etc. are all contained in copending scope of the presently claimed invention.
Claims (10)
1. a kind of high-power compression joint type IGBT package modules press-fit test fixture, including horizontal direction is from the bottom to top
The first fixed plate group set, the first conductive plate, the first water-cooling group set, the second conductive plate, for crimping successively
Two water-cooling group sets, the 3rd conductive plate and the second fixed plate group set, and the water route supervisor that vertical direction is set
And insulating support rod；The water route supervisor is covered with first, second water-cooling group by water route branch pipe and is connected, institute
Insulating support rod is stated to be covered and the second fixed plate group set between located at the first fixed plate group；
It is characterized in that：The second fixed plate group set includes that the second fixation of through hole is left at top pressure post and middle part
Plate, described to suppress including integrally formed base and pillar, the base is crimped with the 3rd conductive plate,
The pillar is stretched into the through hole；Compensation is provided between the base and second fixed plate and exchanges pad,
It is metallic gasket that pad is exchanged in the compensation.
2. a kind of high-power compression joint type IGBT package modules according to claim 1 press-fit test fixture,
It is characterized in that：
The first fixed plate group set includes that positioning block assembly and middle part leaves the first fixed plate of mounting hole, described
The vertical vertical section for positioning block assembly is T-shaped；The vertical vertical section of the mounting hole is convex shape, its top
Internal diameter more than its underpart internal diameter；Cross-sectional diameter is coaxially arranged with the mounting hole equal to mounting hole top
The cylindrical insulating boot of internal diameter, is provided with the insulating boot to putting dished spring assembly, and described pair puts dished spring assembly by not
The disc spring piece of same specification standard is vertically coaxially to putting composition；
The top of the positioning block assembly fits with the first conductive plate bottom, and its bottom stretches into described pair and puts disc spring
In through hole in the middle part of component.
3. a kind of high-power compression joint type IGBT package modules according to claim 1 press-fit test fixture,
It is characterized in that：
The first, second water-cooling group set respectively accompanies compression joint type therebetween including what vertical direction was parallel to each other
The water-filled radiator of IGBT package modules；The water-filled radiator is respectively equipped with the rectangular of boss for upper and lower surface
Body, the boss of the upper lower convex platform of the IGBT package modules respectively with upper and lower two water-filled radiators fits；
The water-filled radiator is respectively provided on two sides with damping resistance component and capacitance component；Its other both sides difference
It is provided with driving board bracket and water inlet and delivery port；
The capacitance component is connected between two damping resistance components by conductive copper sheet, the damping resistance group
Part is connected in parallel between the collector and emitter of the IGBT package modules.
4. a kind of high-power compression joint type IGBT package modules according to claim 3 press-fit test fixture,
It is characterized in that：
Water route supervisor includes water inlet supervisor and water outlet main pipe；Water route branch pipe includes water inlet pipe and exit branch；
The side wall of the water inlet supervisor is provided with the connecting tube for the water inlet supervisor to be connected with water inlet pipe；
The side wall of the water outlet main pipe is provided with the connecting tube for the water outlet main pipe to be connected with the exit branch；
The other end of the water inlet pipe and the exit branch respectively with the water inlet and delivery port phase of water-filled radiator
Even.
5. a kind of high-power compression joint type IGBT package modules according to claim 2 press-fit test fixture,
It is characterized in that：
First fixed plate and the second fixed plate are rectangular metal plate, the surrounding of the rectangular metal plate be respectively kept with to
The raised circular arc cutaway of the center position of rectangular metal plate, be additionally provided with the rectangular metal plate longitudinally through
The lifting fixing hole of circumference equal dividing cloth；Be provided with the corner of first fixed plate longitudinally through screw, it is described
Be correspondingly provided with the corner of the second fixed plate longitudinally through through hole.
6. a kind of high-power compression joint type IGBT package modules according to claim 5 press-fit test fixture,
It is characterized in that：
Insulating support rod has four, and its two ends is respectively provided with external screw thread, four one end difference of insulating support rod
Screw-type connection is sentenced with the corner of the first fixed plate to fix, and it is concordant with the first fixed plate bottom；Four thoroughly do away with edge
By top nut and the second fixation after the through hole that the other end of support bar extends through at the second fixed plate corner
Plate is connected.
7. a kind of high-power compression joint type IGBT package modules according to claim 1 press-fit test fixture,
It is characterized in that：
Pad is exchanged in the compensation includes integrally formed U-shaped main gasket body and the opening to U-shaped main gasket body
The raised auxiliary spacer of opposite direction, the top of the top pressure post through the U-shaped main gasket body U-shaped opening simultaneously
Stretch into the through hole in the middle part of second fixed plate.
8. a kind of high-power compression joint type IGBT package modules according to claim 2 press-fit test fixture,
It is characterized in that：
The positioning block assembly includes sphere top pressure block and sphere compensation block, and the sphere top pressure block includes coaxially setting
The supporting table on integrally formed cylindrical support column and support column top is put, the top of the supporting table is in convex
The sphere for rising；The sphere compensation block is rectangular block, and the bottom of the sphere compensation block is in and the supporting table top
The sphere of the adaptable upward depression of portion's sphere；The bottom of the sphere compensation block and the top phase of the supporting table
Laminating, its top fits with the lower surface of the first conductive plate；The support column stretches into described pair puts dished spring assembly
In the through hole at middle part.
9. a kind of high-power compression joint type IGBT package modules according to claim 3 press-fit test fixture,
It is characterized in that：
The driving board bracket is arranged on water-filled radiator sidepiece by bracket fixing groove；It is described driving board bracket and
The bracket fixing groove is plastic material；
The driving board bracket is U-shaped bracket, including integrally formed connecting plate and is vertical at the connecting plate
The side plate at two ends；The connecting plate and the side plate are the doubling plate clamp region that jaws is left in inner side, so as to drive
Dynamic plate can be inserted in the U-shaped bracket from side end along U-shaped bracket openings opposite direction；
The bracket fixing groove includes rectangle base plate and the fixed plate located at the base plate one side both sides, and both sides are solid
Fixing groove is formed between fixed board, the connecting plate is plugged in the fixing groove, the another side of the base plate and institute
State the side laminating of water-filled radiator.
10. a kind of high-power compression joint type IGBT package modules according to claim 4 press-fit test fixture,
It is characterized in that：
The upper/lower terminal of the water inlet supervisor and the water outlet main pipe is fixed by fixed block assembly with second respectively
Plate, the connection of the first fixed plate；
The fixed block assembly includes U-shaped fixed block and rectangle auxiliary block；The U-shaped fixed block is by being integrally formed
Contiguous block and be vertical at the contiguous block two ends lateral mass composition；The contiguous block and first, second is fixed
Plate is connected, two screws that the horizontal direction that the lateral mass is provided with runs through, and the lateral mass inner side between two screws is stayed
It is semicircular groove to have with water inlet supervisor and the adaptable cross section of water outlet main pipe；
The auxiliary block is provided with two mounting holes for extending transversely through, and the spacing between described two mounting holes is equal to
Spacing on lateral mass between two screws, the auxiliary block between described two mounting holes be provided with water inlet supervisor and
The adaptable cross section of water outlet main pipe is semicircular groove；
The slot opening of the lateral mass is relative with the slot opening of the auxiliary block, to form diameter with the water inlet
The adaptable manhole of the pipe diameter of supervisor and the water outlet main pipe, the water inlet supervisor and water outlet main pipe longitudinal direction
Through the through hole, and contiguous block and auxiliary is arranged on by extending transversely through the bolt of the mounting hole and the screw
Help between block.
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| CN201510451005.0A CN106706963B (en) | 2015-07-28 | 2015-07-28 | High-power crimping IGBT encapsulation module pressure equipment test fixture |
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| CN201510451005.0A CN106706963B (en) | 2015-07-28 | 2015-07-28 | High-power crimping IGBT encapsulation module pressure equipment test fixture |
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| CN106706963B CN106706963B (en) | 2024-05-31 |
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| CN107783021A (en) * | 2017-09-06 | 2018-03-09 | 全球能源互联网研究院有限公司 | A kind of test module for the experiment of crimp type IGBT device power cycle |
| CN108957036A (en) * | 2017-05-26 | 2018-12-07 | 全球能源互联网研究院 | For measuring crimp type Power Insulated Gate Bipolar transistor npn npn device reliability fixture |
| CN109030878A (en) * | 2018-07-23 | 2018-12-18 | 全球能源互联网研究院有限公司 | A kind of test module of hydraulic installalion structure and its composition |
| CN111906281A (en) * | 2020-08-21 | 2020-11-10 | 来安县山关轨道装备有限公司 | Water jet cutter unloader of coupler seat |
| CN113192906A (en) * | 2021-04-25 | 2021-07-30 | 武汉东湖学院 | Crimping formula power electronics valves with pressure equipment frock |
| CN114446902A (en) * | 2022-01-28 | 2022-05-06 | 北京工业大学 | Be used for crimping type IGBT module pressure balance anchor clamps |
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| CN114446902A (en) * | 2022-01-28 | 2022-05-06 | 北京工业大学 | Be used for crimping type IGBT module pressure balance anchor clamps |
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