CN207097809U - A kind of electrode for the three phase rectifier bridge module for being easy to weld - Google Patents
A kind of electrode for the three phase rectifier bridge module for being easy to weld Download PDFInfo
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- CN207097809U CN207097809U CN201720889251.9U CN201720889251U CN207097809U CN 207097809 U CN207097809 U CN 207097809U CN 201720889251 U CN201720889251 U CN 201720889251U CN 207097809 U CN207097809 U CN 207097809U
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Abstract
The technical field of three-phase commutation bridge is the utility model is related to, particularly a kind of electrode for the three phase rectifier bridge module for being easy to weld, including：Connecting portion, the connecting portion include：First bending plate and the second bending plate, first bending plate are fixedly connected on one end of the second bending plate, weld part, and the weld part includes：Three pieces of welding blocks corresponding with the chip position of module, the welding block is arranged on side of second bending plate away from the first bending plate along bending plate length direction, fixed plate, the fixed plate is fixedly connected with the second bending plate, the fixed plate has at least one fixing hole, and first bending plate includes：The first connecting plate and the second connecting plate being fixedly connected, first connecting plate is from accounting for the 1/5 1/2 of whole electrode vertical view width with distance of the side that the first bending plate is connected to the side being connected with fixed plate, and electrode is easily toppled over and position inaccurate when solving the problems, such as to weld anode electrode in three phase rectifier bridge module.
Description
Technical field
The technical field of three-phase commutation bridge is the utility model is related to, particularly a kind of three-phase commutation bridge for being easy to welding
The electrode of module.
Background technology
Three phase rectifier module, it is that several rectifying tubes are encapsulated in same housing, forms a complete rectification circuit.
With the constantly improve of the process manufacturing technology of power semiconductor module, designed capacity, testing level and knowhow, at present
Three phase rectifier module has been generally applicable to frequency converter, Inverter Welder, high power switching power supply, uninterruption power source, high frequency
The industries such as induction heating power, industrial electromagnetic oven and electric car travel increasing device, with the fast development of major industry, producer is to three
Commutating phase module proposes higher and higher requirement.
In the prior art when the positive pole in installing three phase rectifier bridge module, the one of the center of gravity deviation fixed plate of positive pole
Side, during being welded at positive pole station on semiconductor chip assembly, positive pole, which can topple over, causes positive pole welding positioning
The problem of inaccurate, it usually needs it is fixed by frock, it is cumbersome.
Utility model content
The technical problems to be solved in the utility model is：Electricity during in order to solve to weld anode electrode in three phase rectifier bridge module
It is easy to topple over the problem of position inaccurate, the utility model provides a kind of electricity for the three phase rectifier bridge module for being easy to welding
Pole, the first connecting plate account for whole electrode vertical view from distance of the side that the first bending plate is connected to the side being connected with fixed plate
The 1/5-1/2 of width, the design of the first narrower connecting plate cause the center of gravity of the first connecting plate to be inclined to the side of the first bending plate,
Toppling over for electrode is reduced, the positioning accuracy of electrode can be improved when welding, facility is provided for welding procedure, is saved
For fixed electrode come time for being welded, welding stability is improved, is avoided because position inaccurate also needs to carry out electrode
Fine setting, improve the production efficiency of product.
Technical scheme is used by the utility model solves its technical problem：A kind of three-phase commutation bridge mould for being easy to welding
The electrode of block, including：
Connecting portion, the connecting portion include：First bending plate and the second bending plate, first bending plate are fixedly connected on
One end of second bending plate,
Weld part, the weld part include：Three pieces of welding blocks corresponding with the chip position of module, the welding block edge
Bending plate length direction is arranged on side of second bending plate away from the first bending plate,
Fixed plate, the fixed plate are fixedly connected with the second bending plate, and the fixed plate has at least one fixing hole,
First bending plate includes：The first connecting plate and the second connecting plate being fixedly connected, first connecting plate from
The 1/5-1/2 of whole electrode vertical view width is accounted for the distance of the side that the first bending plate is connected to the side being connected with fixed plate.
Specifically, first connecting plate from the side that the second bending plate is connected to the side being connected with fixed plate away from
From for 5mm-15mm.
Preferably, first connecting plate and the second connecting plate be all provided with the both sides of both junctions it is fluted.
Specifically, first bending plate includes：The 3rd connecting plate being wholely set and the 4th connecting plate, the described 3rd connects
Welding block is wholely set on fishplate bar, the 4th connecting plate is parallel with welding block, has been wholely set on the 4th connecting plate
Fixed plate.
Specifically, angle α is 100 ° -150 ° between the 3rd connecting plate and the 4th connecting plate.
Preferably, the welding block has welding hole.
Specifically, angle β is 85 ° -95 ° between first connecting plate and the second connecting plate.
Preferably, fixed plate junction is provided with bending hole on second connecting plate.
Specifically, the bending hole be shaped as it is square.
Specifically, the fixing hole is shaped as kidney-shaped.
The beneficial effects of the utility model are：
The utility model provides a kind of electrode for the three phase rectifier bridge module for being easy to welding, and the first connecting plate is from first
The distance of side to the side being connected with fixed plate of bending plate connection accounts for the 1/5-1/2 that whole electrode overlooks width, narrower
The design of first connecting plate causes the center of gravity of the first connecting plate to be inclined to the side of the first bending plate, reduces toppling over for electrode, is welding
The positioning accuracy of electrode can be improved when connecing, facility is provided for welding procedure, has been saved for fixed electrode to carry out
The time of welding, welding stability is improved, avoids, because position inaccurate also needs to be finely adjusted electrode, improving the life of product
Produce efficiency.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of the electrode for the three phase rectifier bridge module for being easy to weld of the utility model；
Fig. 2 is the structural representation of three phase rectifier bridge module；
In figure：1. the first bending plate, 11. first connecting plates, 12. second connecting plates, 2. second bending plates, 21. the 3rd connect
Fishplate bar, 22. the 4th connecting plates, 3. welding blocks, 4. fixed plates, 5. fixing holes, 6. welding holes, 7. bending holes, 8. bottom plates, 9. ceramics
Substrate, 10. first leading-out terminals, 13. second leading-out terminals, 15. semiconductor chips.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
As illustrated, the utility model provides a kind of electrode for the three phase rectifier bridge module for being easy to welding, including：
Connecting portion, connecting portion include：First bending plate 1 and the second bending plate 2, the first bending plate 1 are fixedly connected on second
One end of bending plate 2,
Weld part, weld part include：Three pieces of welding blocks 3 corresponding with the chip position of module, welding block 3 is along connecting portion
Length direction is arranged on the side away from the first bending plate 1 on the second bending plate 2,
Fixed plate 4, fixed plate 4 are fixedly connected with the first bending plate 1, and fixed plate 4 has at least one fixing hole 5,
First bending plate 1 includes：The first connecting plate 11 and the second connecting plate 12 being fixedly connected, the first connecting plate 11 from
The distance of side to the side being connected with fixed plate 4 of the connection of second bending plate 2 accounts for whole electrode overlooks width 1/3.
In installation process, first mounting base 8, then connect ceramic base by way of welding or glue on bottom plate 8
Plate 9, both sides are respectively welded the first leading-out terminal 10 and the second leading-out terminal 13, the He of the first leading-out terminal 10 on ceramic substrate 9
Semiconductor chip 15 is respectively welded on second leading-out terminal 13, the first leading-out terminal 10 extends to the top of the second leading-out terminal 13
The upper end of semiconductor chip 15 and welding hold thereon, welding fast 3 is welded in the semiconductor chips of the top of the first leading-out terminal 10
15 upper ends, the position of welding fast 3 is corresponding with the position of semiconductor chip 15, and the first connecting plate 11 is connected from the second bending plate 2
The distance of side to the side being connected with fixed plate 4 account for whole electrode and overlook the 1/3 of width and cause when welding electrode,
The center of gravity of whole electrode is closer to welding block 3, and welding fast 3 can be stood with itself and be welded on semiconductor chip 15, for weldering
Connect technique and facility is provided, saved the time for being used for fixed electrode to be welded, improve welding stability, avoid because positioning not
Accurately also need to be finely adjusted electrode, improve the production efficiency of product, the first narrower connecting plate 11 also saves material.
In a kind of embodiment, in order to further improve a kind of three phase rectifier for being easy to welding of the present utility model
The stability of the electrode of bridge module, the first connecting plate 11 from the side that the second bending plate 2 is connected to one be connected with fixed plate 4
The distance of side is 8mm, is a kind of preferred forms from 8mm, and the first narrow connecting plate 11 can cause whole electrode
Center of gravity moved to the direction of welding block 3, by electrode welding, when on three phase rectifier bridge module, electrode will not be because of center of gravity
Close to fixed plate 4 to fixed plate 4.
In a kind of embodiment, in order to facilitate bending, the first connecting plate 11 and the second connecting plate 12 connect at both
The both sides at the place of connecing are all provided with fluted 13, and the first narrower connecting plate 11 and second connects while the intensity for ensureing to be broken off
Fishplate bar 12, the power needed for bending is less, is also beneficial to being finely adjusted during electrode position inaccurate to electrode so that electrode
Accurate positioning facilitates the dismounting of three phase rectifier bridge module.
In a kind of embodiment, in order to ensure that the stable of whole rectifier bridge module is carried out, the second bending plate 2 wraps
Include：The 3rd connecting plate 21 being wholely set and the 4th connecting plate 22, have been wholely set welding block 3 on the 3rd connecting plate 21, and the 4th
Connecting plate 22 is parallel with welding block 3, and fixed plate 4 has been wholely set on the 4th connecting plate 22, and the 3rd connecting plate 21 is connected with the 4th
Angle α is 120 ° between plate 22, and the 3rd connecting plate 21 and the 4th connecting plate 22 are not at grade so that the 4th connecting plate 22
Higher than welding block 3, avoid whole electrode from being contacted with other metallic elements on rectifier bridge module and cause short circuit, reduce rectifier bridge mould
Block accident rate, reduce the spoilage of product.
In a kind of embodiment, in order to reduce welding voidage, welding block 3 has welding hole 6, and scaling powder produces
Gas can be discharged from welding hole 6, improve welding matter reason.
Specifically, angle β is 90 ° between the first connecting plate 11 and the second connecting plate 22.
Specifically, the junction of fixed plate 4 is provided with bending hole 7 on the second connecting plate 12.
Specifically, bending hole 7 is shaped as square, square bending hole 7 from the point of view of amechanical angle, most labour-saving bending line
As along square length direction bending, it is convenient to be provided for bending technique.
Specifically, fixing hole 5 is shaped as kidney-shaped, and in fitted bolt using after fixed, bolt can be for the fixing hole 5 of kidney-shaped
It is adjusted in the fixing hole 5 of kidney-shaped so that electrode is accurately positioned.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (10)
- A kind of 1. electrode for the three phase rectifier bridge module for being easy to weld, it is characterised in that including：Connecting portion, the connecting portion include：First bending plate（1）With the second bending plate（2）, first bending plate（1）It is fixed It is connected to the second bending plate（2）One end,Weld part, the weld part include：Three pieces of welding blocks corresponding with the chip position of module（3）, the welding block（3） The second bending plate is arranged on along connecting portion length direction（2）Upper remote first bending plate（1）Side,Fixed plate（4）, the fixed plate（4）With the first bending plate（1）It is fixedly connected, the fixed plate（4）With at least one Fixing hole（5）,First bending plate（1）Including：The first connecting plate being fixedly connected（11）With the second connecting plate（12）, described first connects Fishplate bar（11）From with the second bending plate（2）The side of connection is arrived and fixed plate（4）The distance of the side of connection accounts for whole electrode and bowed Depending on the 1/5-1/2 of width.
- A kind of 2. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 1, it is characterised in that：Described first Connecting plate（11）From with the second bending plate（2）The side of connection is arrived and fixed plate（4）The distance of the side of connection is 5mm-15mm.
- A kind of 3. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 1, it is characterised in that：Described first Connecting plate（11）With the second connecting plate（12）It is all provided with the both sides of both junctions fluted（13）.
- A kind of 4. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 1, it is characterised in that：Described second Bending plate（2）Including：The 3rd connecting plate being wholely set（21）With the 4th connecting plate（22）, the 3rd connecting plate（21）Upper one Body is provided with welding block（3）, the 4th connecting plate（22）With welding block（3）It is parallel, the 4th connecting plate（22）Upper one It is provided with fixed plate（4）.
- A kind of 5. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 4, it is characterised in that：Described 3rd Connecting plate（21）With the 4th connecting plate（22）Between angle α be 100 ° -150 °.
- A kind of 6. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 1, it is characterised in that：The welding Block（3）With welding hole（6).
- A kind of 7. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 1, it is characterised in that：Described first Connecting plate（11）With the second connecting plate（22）Between angle β be 85 ° -95 °.
- A kind of 8. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 7, it is characterised in that：Described second Connecting plate（12）Upper and fixed plate（4）Junction is provided with bending hole (7).
- A kind of 9. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 1, it is characterised in that：The bending Being shaped as hole (7) is square.
- A kind of 10. electrode of three phase rectifier bridge module for being easy to weld as claimed in claim 1, it is characterised in that：It is described solid Determine hole（5）Be shaped as kidney-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889251.9U CN207097809U (en) | 2017-07-20 | 2017-07-20 | A kind of electrode for the three phase rectifier bridge module for being easy to weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889251.9U CN207097809U (en) | 2017-07-20 | 2017-07-20 | A kind of electrode for the three phase rectifier bridge module for being easy to weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097809U true CN207097809U (en) | 2018-03-13 |
Family
ID=61545654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720889251.9U Active CN207097809U (en) | 2017-07-20 | 2017-07-20 | A kind of electrode for the three phase rectifier bridge module for being easy to weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097809U (en) |
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2017
- 2017-07-20 CN CN201720889251.9U patent/CN207097809U/en active Active
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