CN108768138A - A kind of frequency converter stack bus bar component - Google Patents
A kind of frequency converter stack bus bar component Download PDFInfo
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- CN108768138A CN108768138A CN201810757906.6A CN201810757906A CN108768138A CN 108768138 A CN108768138 A CN 108768138A CN 201810757906 A CN201810757906 A CN 201810757906A CN 108768138 A CN108768138 A CN 108768138A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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Abstract
A kind of frequency converter stack bus bar component disclosed by the invention, including：One electrolytic capacitor fixed plate, several bottoms are fixed on the electrolytic capacitor in electrolytic capacitor fixed plate, first intermediate busbar and the second intermediate busbar, one is arranged the insulating part on the first intermediate busbar and the second intermediate busbar, one top layer busbar, several first equalizing resistances, several second equalizing resistances, two third equalizing resistances, several 4th equalizing resistances.The present invention rationally arranges all electrolytic capacitors, and intermediate busbar is divided into two pieces, in conjunction with some rational avoid holes of setting so that frequency converter stack bus bar component of the invention has the advantages that simple in structure, at low cost, reliability is high.
Description
Technical field
The present invention relates to converter technology field, more particularly to a kind of frequency converter stack bus bar component.
Background technology
Big-power transducer stack bus bar, especially electrolytic capacitor line up the stack bus bars of 3 rows in 380V currently on the market
Busbar structure it is extremely complex, considerably increase cost of parts；Busbar structure designs the frequency conversion of unreasonable strong influence
Device reliability.
Invention content
Technical problem to be solved by the present invention lies in for big-power transducer stack bus bar in 380V on existing market
It is existing above-mentioned insufficient and a kind of frequency converter stack bus bar component simple in structure, at low cost, reliability is high is provided.
The technical problems to be solved by the invention can be achieved through the following technical solutions：
A kind of frequency converter stack bus bar component, including：
One electrolytic capacitor fixed plate；
Several bottoms are fixed on the electrolytic capacitor in the electrolytic capacitor fixed plate；Several electrolytic capacitors are divided into three rows row
The ranking of row, wherein first row and third is in outermost, second ranked between first row and third row, the top of each electrolytic capacitor
The first connecting terminal and the second connecting terminal are all had in portion；
One intermediate busbar, the intermediate busbar are divided into the first intermediate busbar and the second intermediate busbar, wherein in described first
Between be provided with the first screw hole, several and third that several the second connecting terminals on first row electrolytic capacitor are aligned on busbar
Arrange the first connecting terminal alignment on electrolytic capacitor the second screw hole, it is several with second row among electrolytic capacitor on second
Third screw hole, the first connecting terminal on two two electrolytic capacitors with second row outermost end of connecting terminal alignment are aligned
The 4th screw hole, several avoiding the first avoid holes of the first connecting terminal on the electrolytic capacitor among second row；Institute
State be provided on the second intermediate busbar the 5th screw hole that several the second connecting terminals with third on row's electrolytic capacitor are aligned and
The 6th screw hole that the second connecting terminal on two two electrolytic capacitors with second row outermost end is aligned, in described second
Between also set up that there are two the 7th screw holes being connect with external input copper piece on busbar；In the described second intermediate busbar far from described
The side of first intermediate busbar is arranged at intervals with several the first connection lugs being connect with IGBT module；
One is arranged the insulating part on the intermediate busbar, and several first intermediate busbars are provided on the insulating part
On the alignment of several first screw holes the 8th screw hole, it is several with the described first intermediate busbar on several second screw holes pair
The tenth screw hole that neat the 9th screw hole, several several third screw holes on the described first intermediate busbar are aligned, two
The 11st screw hole, several and the described first intermediate busbar being aligned with two the 4th screw holes on the described first intermediate busbar
On the alignment of the first avoid holes the second avoid holes, several several 5th screw holes on the described second intermediate busbar are aligned
12nd screw hole, two the 13rd screw holes being aligned with two the 6th screw holes on the described second intermediate busbar and one
Third avoid holes, the 7th screw hole being connect with external input copper piece on several second intermediate busbars fall within described
In three avoid holes；
One top layer busbar is provided with several the first connecting terminals on first row electrolytic capacitor on the top layer busbar
Alignment the 14th screw hole, several the 8th screw holes on the insulating part be aligned big hole, it is several be used for wrap respectively
Hold that the first kidney slot of on the insulating part second avoid holes and the 12nd screw hole, two for containing respectively
It is second kidney slot of the 11st screw hole and the 13rd screw hole on the insulating part, several described for containing
The third kidney slot of the 9th screw hole and the 12nd screw hole on insulating part, one on the insulating part
4th avoid holes of three avoid holes alignment, one is provided in the peritreme of every 1 first kidney slot and is included in first kidney slot
The step lug of interior the second avoid holes alignment is provided with one and an electrolysis electricity among second row on each step lug
15 screw holes of the first connecting terminal alignment in appearance；It is opposite with the 14th screw hole side is provided in the top layer busbar
Side be provided with it is several connect with IGBT module second connection lugs；Every 1 second connection lug connect lug with one first
It is aligned and is electrically connected simultaneously with an IGBT module；
The both ends of several first equalizing resistances, every 1 first equalizing resistance are respectively arranged with the first connection sheet and the second connection
Piece is respectively set there are one the 16th screw hole and the 17th screw hole in the first connection sheet and the second connection sheet, uses
One the first screw is screwed into after sequentially passing through the 16th screw hole, the 14th screw hole in first row electrolytic capacitor
An electrolytic capacitor on the first connecting terminal in so that all electrolysis in the top layer busbar and first row electrolytic capacitor
The first connecting terminal on capacitance is conductive in parallel；The 17th screw hole, a great circle are sequentially passed through with second screw
Be screwed into after hole, the 8th screw hole, first screw hole on an electrolytic capacitor in first row electrolytic capacitor
In two connecting terminals so that the first intermediate busbar and the second wiring on electrolytic capacitor all in first row electrolytic capacitor
Terminal is conductive in parallel；
The both ends of several second equalizing resistances, every 1 second equalizing resistance are respectively arranged with third connection sheet and the 4th connection
Piece is respectively set there are one the 17th screw hole and the 18th screw hole in third connection sheet and the 4th connection sheet, uses
One third screw revolves after sequentially passing through first kidney slot, the 17th screw hole, the second avoid holes, first avoid holes
Enter in the first connecting terminal on each electrolytic capacitor among second row so that among the top layer busbar and second row
The first connecting terminal on all electrolytic capacitors is conductive in parallel, and first kidney slot, the are sequentially passed through with the 4th screw
It is screwed into after ten screw holes, third screw hole in the second connecting terminal on an electrolytic capacitor among second row so that institute
The second connecting terminal stated on all electrolytic capacitors among the first intermediate busbar and second row is conductive in parallel；
The both ends of two third equalizing resistances, each third equalizing resistance are respectively arranged with the 5th connection sheet and the 6th connection
Piece is respectively set there are one the 19th screw hole and the 20th screw hole in the 5th connection sheet and the 6th connection sheet, uses
One the 5th screw sequentially passes through second kidney slot, the 19th screw hole, the 11st screw hole, the 4th screw
Be screwed into behind hole in the first connecting terminal on each electrolytic capacitor of second row outermost end so that the first intermediate busbar with
The first connecting terminal on two electrolytic capacitors of second row outermost end is conductive in parallel；One is sequentially passed through with the 6th screw
It is screwed into second row outermost end after second kidney slot, the 20th screw hole, the 12nd screw hole, the 5th screw hole
In the second connecting terminal on each electrolytic capacitor so that two electrolysis electricity of the second intermediate busbar and second row outermost end
The second connecting terminal in appearance is conductive in parallel；
The both ends of several 4th equalizing resistances, every 1 the 4th equalizing resistance are respectively arranged with the 7th connection sheet and the 8th connection
Piece is respectively set in the 7th connection sheet and the 8th connection sheet there are one the 21st screw hole and the 22nd screw
Hole sequentially passes through a third kidney slot, the 21st screw hole, the 9th screw hole, the second screw hole with the 7th screw
It is screwed into afterwards in the first connecting terminal that third is arranged on all electrolytic capacitors so that the first intermediate busbar and third row are all
Electrolytic capacitor on the first connecting terminal it is conductive in parallel；Third kidney slot, second are sequentially passed through with the 8th screw
It is screwed into third after 12 screw holes, the 12nd screw hole, the 5th screw hole and arranges the second connecting terminal on all electrolytic capacitors
In so that it is conductive in parallel that the second intermediate busbar arranges the second connecting terminal on all electrolytic capacitors with third.
In a preferred embodiment of the invention, the electrolytic capacitor quantity of electrolytic capacitor quantity Yu the third row of first row
Identical, the quantity of second row electrolytic capacitor is one fewer than the electrolytic capacitor quantity that first row and third are arranged；It is each in second row
Electrolytic capacitor is with two electrolytic capacitors in its nearest first row, two electrolytic capacitors in third row apart from equal；
In a preferred embodiment of the invention, this side of first row electrolytic capacitor is closed in the top layer busbar to be arranged
There are the step of sinking, the 14th all screw holes to be arranged at intervals on the step.
In a preferred embodiment of the invention, the side that the described first intermediate busbar is closed in the second intermediate busbar is set
It sets there are two cantilever, two the 6th screw holes are separately positioned on a cantilever, close on described the in the described first intermediate busbar
The position that the side of two intermediate busbars corresponds to two cantilevers is each provided with an opening notch, and each cantilever extend into corresponding open
In mouth notch.
In a preferred embodiment of the invention, there are two connect with external input copper piece for setting on the top layer busbar
The binding post connect, two the 7th screw holes on described two binding posts and the second intermediate busbar cooperate with it is described outer
Portion inputs copper piece electrical connection.
In a preferred embodiment of the invention, first avoid holes, the second avoid holes, third avoid holes and the 4th
Avoid holes are square hole.
In a preferred embodiment of the invention, it is both provided with a stud in the bottom of each electrolytic capacitor, in institute
It states electrolytic capacitor fixed plate and offers quantity through-hole identical with electrolytic capacitor quantity, each stud revolves after passing through corresponding through-hole
After a upper nut so that all electrolytic capacitors are fixedly connected with the electrolytic capacitor fixed plate.
As a result of technical solution as above, the present invention rationally arranges all electrolytic capacitors, by intermediate busbar
Be divided into two pieces, in conjunction be arranged some rational avoid holes so that frequency converter stack bus bar component of the invention have it is simple in structure,
Advantage at low cost, reliability is high.
Description of the drawings
Fig. 1 is the frequency converter stack bus bar component decomposition diagram that the electrolytic capacitor quantity of the present invention is 14.
Fig. 2 is the electrolytic capacitor fixed plate in the frequency converter stack bus bar component that the electrolytic capacitor quantity of the present invention is 14
Structural schematic diagram.
Fig. 3 is that the electrolytic capacitor arrangement in the frequency converter stack bus bar component that the electrolytic capacitor quantity of the present invention is 14 is shown
It is intended to.
Fig. 4 is the first intermediate busbar in the frequency converter stack bus bar component that the electrolytic capacitor quantity of the present invention is 14
Structural schematic diagram.
Fig. 5 is the second intermediate busbar in the frequency converter stack bus bar component that the electrolytic capacitor quantity of the present invention is 14
Structural schematic diagram.
Fig. 6 is that the structure of the insulating part in the frequency converter stack bus bar component that the electrolytic capacitor quantity of the present invention is 14 is shown
It is intended to.
Fig. 7 is the structure of the top layer busbar in the frequency converter stack bus bar component that the electrolytic capacitor quantity of the present invention is 14
Schematic diagram.
Fig. 8 is the frequency converter stack bus bar component assembling schematic diagram that the electrolytic capacitor quantity of the present invention is 14.
Specific implementation mode
This is described in detail so that electrolytic capacitor quantity is 14 frequency converter stack bus bar component as an example below in conjunction with the accompanying drawings
Invention.
Referring to Fig. 1, a kind of frequency converter stack bus bar component shown in figure, including one piece of electrolytic capacitor fixed plate 100,14
A electrolytic capacitor 211,212,213,214,215,221,222,223,224,231,232,233,234,235, intermediate busbar, one
500, one pieces of top layer busbars 600 of block insulating part.
Electrolytic capacitor fixed plate 100 is made of insulating materials, and the surrounding of electrolytic capacitor fixed plate 100 is provided with flange
140, electrolytic capacitor fixed plate 100 offer 14 through-holes 111,112,113,114,115,121,122,123,124,
131,132,133,134,135；14 through-holes 111,112,113,114,115,121,122,123,124,131,132,
133,134,135 are divided into three arrangements and set, wherein five through-holes 111,112,113,114,115 arrangements in a row, are first row；Four
A through-hole 121,122,123,124 arrangements in a row are second row；Five through-holes 131,132,133,134,135 rows in a row
Row, are arranged for third, and the second exhausting hole 121,122,123,124 is located at the first exhausting hole 111,112,113,114,115 and third
Between exhausting hole 131,132,133,134,135, the through-hole 111 in through-hole 121 to first row on second row, 112, third row
In through-hole 311,112 distance it is equal；In the through-hole 112 in through-hole 122 to first row on second row, 113, third row
The distance of through-hole 312,313 is equal；Through-hole in the through-hole 113 in through-hole 123 to first row on second row, 113, third row
313,314 distance is equal；The through-hole 114 in through-hole 124 to first row on second row, 115, the through-hole 314 in third row,
315 distance is equal.
The internal diameter of each through-hole 111,112,113,114,115,121,122,123,124,131,132,133,134,135
Each electrolytic capacitor 211,212,213,214,215,221,222,223,224,231,232,233,234,235 should be less than
Outer diameter.
In conjunction with referring to Fig. 1, each electrolytic capacitor 211,212,213,214,215,221,222,223,224,231,
232,233,234,235 bottom is respectively provided with there are one stud A, 14 electrolytic capacitors 211,212,213,214,215,221,
222, the stud A of 223,224,231,232,233,234,235 bottoms is each passed through a through-hole in electrolytic capacitor fixed plate 100
111, after 112,113,114,115,121,122,123,124,131,132,133,134,135,14 nut B is screwed on and are twisted
Tightly, you can by 14 electrolytic capacitors 211,212,213,214,215,221,222,223,224,231,232,233,234,
235 are fixedly mounted in electrolytic capacitor fixed plate 100.
Referring to Fig. 3,14 electrolytic capacitors 211,212,213,214,215,221,222,223,224,231,232,
233,234,235 be fixedly mounted in electrolytic capacitor fixed plate 100 after, 14 electrolytic capacitors 211,212,213,214,215,
221,222,223,224,231,232,233,234,235 are divided into three arrangements and set, wherein five electrolytic capacitors 211,212,213,
214,215 arrangement in a row is first row electrolytic capacitor；Four electrolytic capacitors 221,222,223,224 arrangements in a row are the
Two row's electrolytic capacitors；Five electrolytic capacitors 231,232,233,234,235 arrangements in a row, for third arrange electrolytic capacitor, second
Row's electrolytic capacitor 221,222,223,224 is located at first row electrolytic capacitor 211,212,213,214,215 and third row's electrolysis electricity
Between holding 231,232,233,234,235, the electrolytic capacitor 211 in electrolytic capacitor 221 to first row on second row, 212, the
The distance of electrolytic capacitor 231,232 in three rows is equal；The electrolytic capacitor in electrolytic capacitor 222 to first row on second row
212,213, the distance of the electrolytic capacitor 232,233 in third row is equal；In electrolytic capacitor 223 to first row on second row
Electrolytic capacitor 213,214, third row in electrolytic capacitor 233,234 distance it is equal；Electrolytic capacitor 224 on second row is to
Electrolytic capacitor 214 in one row, 215, the distance of electrolytic capacitor 234,235 in third row it is equal.
Each electrolytic capacitor 211,212,213,214,215,221,222,223,224,231,232,233,234,235
Top be both provided with first connecting terminal 211a, 212a, 213a, 214a, 215a, 221a, 222a, 223a, 224a, 231a,
232a, 233a, 234a, 235a and second connecting terminal 211b, 212b, 213b, 214b, 215b, 221b, 222b, 223b,
224b、231b、232b、233b、234b、235b。
Intermediate busbar is divided into the first intermediate busbar 410 and the second intermediate busbar 420, in the first intermediate busbar 410 and second
Between busbar 420 be all made of conductive material such as copper coin and be made.Referring to Fig. 4,14 spiral shells are offered on the first intermediate busbar 410
Nail hole 411a, 412a, 413a, 414a, 415a, 411b, 412b, 413b, 414b, 411c, 412c, 413c, 414c, 415c and two
A avoid holes 416a, 416b, wherein five screw holes 411a, 412a, 413a, 414a, 415a and electrolytic capacitor 211,212,
213, the position of second connecting terminal 211b, 212b, 213b, 214b, 215b on 214,215 is in one-to-one relationship and one by one
Alignment；Screw hole 411b is aligned with the first connecting terminal 221a on electrolytic capacitor 221；Avoid holes 416a and electrolytic capacitor 222
On the first connecting terminal 222a alignment；Avoid holes 416b is aligned with the first connecting terminal 223a on electrolytic capacitor 223；Screw
Hole 414b is aligned with the first connecting terminal 224a on electrolytic capacitor 224；Screw hole 412b connects with second on electrolytic capacitor 222
Line terminals 222b alignment；Screw hole 413b is aligned with the second connecting terminal 223b on electrolytic capacitor 223；Five screw holes
The first connecting terminal 231a on 411c, 412c, 413c, 414c, 415c and electrolytic capacitor 231,232,233,234,235,
The position of 232a, 233a, 234a, 235a are in one-to-one relationship and are aligned one by one.
Referring to Fig. 5, offered on the second intermediate busbar 420 nine screw hole 421b, 424b, 421c, 422c, 423c,
424c, 425c, 426a, 426b, wherein screw hole 421b are aligned with the second connecting terminal 221b on electrolytic capacitor 221, screw
Hole 424b is aligned with the second connecting terminal 224b on electrolytic capacitor 224, screw hole 421c, 422c, 423c, 424c, 425c with
The position of second connecting terminal 231b, 232b, 233b, 234b, 235b on electrolytic capacitor 231,232,233,234,235 is in one
One correspondence is simultaneously aligned one by one.Screw hole 426a, 426b with external input copper piece connecting.
In order to shorten the distance between the first intermediate busbar 410 and second intermediate busbar 420, in the second intermediate busbar
420 close on cantilever 427a, 427b there are two the side settings of the first intermediate busbar 410, and screw hole 421b, 424b are separately positioned on
On one cantilever 427a, 427b, the side that the second intermediate busbar 420 is closed in the first intermediate busbar 410 corresponds to two cantilevers
The position of 427a, 427b are each provided with opening notch 417a, a 417b, and each cantilever 427a, 427b extend into corresponding opening
In notch 417a, 417b.
In addition to being connect with IGBT module, at side interval of the second intermediate busbar 420 far from the first intermediate busbar 410
It is arranged there are six first connect with IGBT module connection lug 428a, 428b, 428c, 428d, 428e, in each the first company
Connect screw hole there are one also being opened up on lug 428a, 428b, 428c, 428d, 418e.
Referring to Fig. 6, insulating part 500 is a slab construction, offer thereon 21 screw hole 511b, 512b, 513b,
514b、515b、521a、524a、521b、522b、523b、524b、531a、532a、533a、534a、535a、531b、532b、
533b, 534b, 535b and three avoid holes 522a, 523a, 541, wherein five screw hole 511b, 512b, 513b, 514b,
It closes in corresponding the position of five screw holes 411a, 412a, 413a, 414a, 415a on the intermediate busbars of 515b and first 410
It is and is aligned one by one；Screw hole 521a is aligned with the screw hole 411b on the first intermediate busbar 410；In avoid holes 522a and first
Between avoid holes 416a alignment on busbar 410；Avoid holes 523a is aligned with the avoid holes 416b on the first intermediate busbar 410；Spiral shell
Nail hole 524a is aligned with the screw hole 414b on the first intermediate busbar 410；Five screw hole 531a, 532a, 533a, 534a,
It closes in corresponding the position of five screw holes 411c, 412c, 413c, 414c, 415c on the intermediate busbars of 535a and first 410
It is and is aligned one by one；Five screws on five screw holes 531b, 532b, 533b, 534b, 535b and the second intermediate busbar 420
The position of hole 421c, 422c, 423c, 424c, 425c are in one-to-one relationship and are aligned one by one；Avoid holes 541 are containing
426a, 426b on two intermediate busbars 420.
Referring to Fig. 7, on top layer busbar 600 setting there are five screw hole 611a, 612a, 613a, 614a, 615a, five
Big hole 611b, 612b, 613b, 614b, 615b and nine kidney slot 620a, 620b, 620c, 620d, 630a, 630b, 630c,
In addition 630d, 630e and an avoid holes 640 are further fixed on two binding posts 651a, 652a in top layer busbar 600.
In order to preferably with first connecting terminal 211a, 212a of electrolytic capacitor 211,212,213,214,215,213a,
214a, 215a are electrically connected, and closing on 211,212,213,214,215 this side of first row electrolytic capacitor in top layer busbar 600 is arranged
There are the step 610 of sinking, five screw holes 611a, 612a, 613a, 614a, 615a to be arranged at intervals on step 610, five spiral shells
Nail hole 611a, 612a, 613a, 614a, 615 with electrolytic capacitor 211,212,213,214,215 on the first connecting terminal 211a,
The position of 212a, 213a, 214a, 215a are in one-to-one relationship and are aligned one by one.In top layer busbar 600 and it is provided with step
The opposite side setting in 610 sides there are six second connect with IGBT module connect lug 661a, 662a, 663a, 664a,
665a,666a.Spiral shell there are one also being opened up on each second connection lug 661a, 662a, 663a, 664a, 665a, 666a
Nail hole.
Five screw hole 511b, 512b on five big holes 611b, 612b, 613b, 614b, 615b and insulating part 500,
The position of 513b, 514b, 515b are in one-to-one relationship and are aligned one by one.
To contain screw hole 521a, 521b on insulating part 500, kidney slot 620b's kidney slot 620a insulate to contain
Avoid holes 522a on part 500 and screw hole 522b, kidney slot 620c are containing avoid holes 523a and the spiral shell on insulating part 500
To contain screw hole 524a, 524b on insulating part 500, kidney slot 630a is exhausted to contain by nail hole 523b, kidney slot 620d
Screw hole 531a, 531b on edge part 500, kidney slot 630b is containing screw hole 532a, 532b on insulating part 500, waist
Shape hole 630c is to contain screw hole 533a, 533b on insulating part 500, and kidney slot 630d is containing on insulating part 500
Screw hole 534a, 534b, kidney slot 630e is containing screw hole 535a, 535b on insulating part 500.Avoid holes 640 with absolutely
Avoid holes 541 on edge part 500 are aligned.
One is provided in the peritreme of kidney slot 620b to be aligned with the avoid holes 522a being included in kidney slot 620b
Step lug 621b is provided with one on step lug 621b and is connect with first on an electrolytic capacitor 222 among second row
The screw hole 622b of line terminals 222a alignment.
One is provided in the peritreme of kidney slot 620c to be aligned with the avoid holes 523a being included in kidney slot 620b
Step lug 621c is provided with one on step lug 621c and is connect with first on an electrolytic capacitor 223 among second row
The screw hole 622c of line terminals 223a alignment.
The frequency converter stack bus bar component of present embodiment further include five First Transition resistance 711,712,713,
714,715, two second 722,723, two third transition resistances 721,724 of transition resistance and five the 4th transition resistances 731,
732,733,734,735；Five First Transition resistance 711,712,713,714,715, two the second transition resistances 722,723,
The both ends of two third transition resistances 721,724 and five the 4th transition resistances 731,732,733,734,735 are both provided with company
Contact pin 711a, 711b, 712a, 712b, 713a, 713b, 714a, 714b, 715a, 715b, 722a, 722b, 723a, 723b,
721a, 721b, 724a, 724b, 731a, 731b, 732a, 732b, 733a, 733b, 734a, 734b, 735a, 735b, each
Connection sheet 711a, 711b, 712a, 712b, 713a, 713b, 714a, 714b, 715a, 715b, 722a, 722b, 723a, 723b,
It is opened up on 721a, 721b, 724a, 724b, 731a, 731b, 732a, 732b, 733a, 733b, 734a, 734b, 735a, 735b
Have a screw hole 711c, 711d, 712c, 712d, 713c, 713d, 714c, 714d, 715c, 715d, 722c, 722d, 723c,
723d、721c、721d、724c、724d、731c、731d、732c、732d、733c、733d、734c、734d、735c、735d。
When specific installation, electrolysis electricity is screwed into after sequentially passing through screw hole 711c and screw hole 611a with a screw 811a
Hold 211 the first connecting terminal 211a in and tighten, with a screw 811b sequentially pass through big hole 611b, screw hole 711d,
It is screwed into the second connecting terminal 211b of electrolytic capacitor 211 and tightens after screw hole 511b, screw hole 411a；With a screw
812a is screwed into the first connecting terminal 212a of electrolytic capacitor 212 and twists after sequentially passing through screw hole 712c and screw hole 612a
Tightly, it is screwed into after sequentially passing through big hole 612b, screw hole 712d, screw hole 512b, screw hole 412a with a screw 812b
In second connecting terminal 212b of electrolytic capacitor 212 and tighten；Screw hole 713c and screw are sequentially passed through with a screw 813a
It is screwed into the first connecting terminal 213a of electrolytic capacitor 213 and tightens after the 613a of hole, sequentially passed through greatly with a screw 813b
The second connecting terminal of electrolytic capacitor 213 is screwed into after circular hole 613b, screw hole 713d, screw hole 513b, screw hole 413a
In 213b and tighten；It is screwed into electrolytic capacitor 214 after sequentially passing through screw hole 714c and screw hole 614a with a screw 814a
The first connecting terminal 214a in and tighten, sequentially pass through big hole 614b, screw hole 714d, screw hole with a screw 814b
It is screwed into the second connecting terminal 214b of electrolytic capacitor 214 and tightens after 514b, screw hole 414a；With a screw 815a according to
It is secondary to be screwed into the first connecting terminal 215a of electrolytic capacitor 215 and tighten after screw hole 715c and screw hole 615a, it uses
One screw 815b is screwed into electrolysis electricity after sequentially passing through big hole 615b, screw hole 715d, screw hole 515b, screw hole 415a
Hold in 215 the second connecting terminal 215b and tightens.So that electrolytic capacitor 211 all in top layer busbar 600 and first row,
212, first connecting terminal 211a, 212a, 213a, 214a, 215a on 213,214,215 is conductive in parallel, and makes in first
Between bis- connecting terminal 211b of e on electrolytic capacitor 211,212,213,214,215 all in busbar 410 and first row,
212b, 213b, 214b, 215b are conductive in parallel.
It is revolved after sequentially passing through screw hole 721c, kidney slot 620a, screw hole 521a, screw hole 411b with a screw 821a
Enter into the first connecting terminal 221a of electrolytic capacitor 221 and tighten, screw hole 721d, waist are sequentially passed through with a screw 821b
It is screwed into the second connecting terminal 221b of electrolytic capacitor 221 and tightens after shape hole 620a, screw hole 521b, screw hole 421b.
Screw hole 722c, kidney slot 620b, screw hole 622b, avoid holes 522a, avoid holes 416a are sequentially passed through with a screw 822a
It is screwed into the first connecting terminal 222a of electrolytic capacitor 222 and tightens afterwards, screw hole is sequentially passed through with a screw 822b
It is screwed into after 722d, kidney slot 620b, screw hole 522b, screw hole 412b in the second connecting terminal 222b of electrolytic capacitor 222
And it tightens.Screw hole 723c, kidney slot 620c, screw hole 622c, avoid holes 523a, evacuation are sequentially passed through with a screw 823a
It is screwed into the first connecting terminal 223a of electrolytic capacitor 223 and tightens after the 416b of hole, spiral shell is sequentially passed through with a screw 823b
The second connecting terminal of electrolytic capacitor 223 is screwed into after nail hole 723d, kidney slot 620c, screw hole 523b, screw hole 413b
In 223b and tighten.Screw hole 724c, kidney slot 620d, screw hole 524a, screw hole are sequentially passed through with a screw 824a
It is screwed into the first connecting terminal 224a of electrolytic capacitor 224 and tightens after 414b, screw is sequentially passed through with a screw 824b
The second connecting terminal 224b of electrolytic capacitor 224 is screwed into after hole 724d, kidney slot 620d, screw hole 524b, screw hole 424b
In and tighten.So that top layer busbar 600 and first connecting terminal 222a, 223a on the electrolytic capacitor 222,223 in second row
It is conductive in parallel, and make the first intermediate busbar 410 and the first connecting terminal on the electrolytic capacitor 221,224 in second row
221a, 224a are conductive in parallel so that the first intermediate busbar 410 and the second wiring on the electrolytic capacitor 222,223 in second row
Terminal 223b, 223b are conductive in parallel so that the second intermediate busbar 420 and second on the electrolytic capacitor 221,224 in second row
Connecting terminal 221b, 224b are conductive in parallel.
It is revolved after sequentially passing through screw hole 731c, kidney slot 630a, screw hole 531a, screw hole 411c with a screw 831a
Enter into the first connecting terminal 231a of electrolytic capacitor 231 and tighten, screw hole 731d, waist are sequentially passed through with a screw 831b
It is screwed into the second connecting terminal 231b of electrolytic capacitor 231 and tightens after shape hole 630a, screw hole 531b, screw hole 421c.
It is screwed into electrolysis after sequentially passing through screw hole 732c, kidney slot 630b, screw hole 532a, screw hole 412c with a screw 832a
It in first connecting terminal 232a of capacitance 232 and tightens, screw hole 731d, kidney slot is sequentially passed through with a screw 832b
It is screwed into the second connecting terminal 232b of electrolytic capacitor 232 and tightens after 630b, screw hole 532b, screw hole 422c.With one
A screw 833a is screwed into electrolytic capacitor after sequentially passing through screw hole 733c, kidney slot 630c, screw hole 533a, screw hole 413c
It in 233 the first connecting terminal 233a and tightens, screw hole 733d, kidney slot 630c, spiral shell is sequentially passed through with a screw 833b
It is screwed into the second connecting terminal 233b of electrolytic capacitor 233 and tightens after nail hole 533b, screw hole 423c.With a screw
834a is screwed into electrolytic capacitor 234 after sequentially passing through screw hole 734c, kidney slot 630d, screw hole 534a, screw hole 414c
It in first connecting terminal 234a and tightens, screw hole 734d, kidney slot 630d, screw hole is sequentially passed through with a screw 834b
It is screwed into the second connecting terminal 234b of electrolytic capacitor 234 and tightens after 534b, screw hole 424c.With a screw 835a according to
It is secondary to pass through screw hole 735c, kidney slot 630e, screw hole 535a, be screwed into the first of electrolytic capacitor 235 after screw hole 415c and connect
It in line terminals 235a and tightens, screw hole 735d, kidney slot 630e, screw hole 535b, spiral shell is sequentially passed through with a screw 835b
It is screwed into the second connecting terminal 235b of electrolytic capacitor 235 and tightens after nail hole 425c.So that the first intermediate busbar 410 and the
First connecting terminal 231a, 232a, 233a, 234a, 235a on electrolytic capacitor 231,232,233,234,235 in three rows is led
It is electrically in parallel, and the second intermediate busbar 420 is connect with second on the electrolytic capacitor 231,232,233,234,235 in third row
Line terminals 231b, 232b, 233b, 234b, 235b are conductive in parallel.
Second connection lug 661a, 662a, 663a, 664a, 665a, 666a on top layer busbar 600 connect convex with first
Ear 428a, 428b, 428c, 428d, 428e one-to-one correspondence is connect with six IGBT modules respectively again after being connected by screw.
Avoid holes 416a, 416b, 522a, 523a, 541,640 are square hole.
Claims (7)
1. a kind of frequency converter stack bus bar component, which is characterized in that including：
One electrolytic capacitor fixed plate；
Several bottoms are fixed on the electrolytic capacitor in the electrolytic capacitor fixed plate；Several electrolytic capacitors are divided at least three rows row
The ranking of row, wherein first row and third is in outermost, second ranked between first row and third row, the top of each electrolytic capacitor
The first connecting terminal and the second connecting terminal are all had in portion；
One intermediate busbar, the intermediate busbar are divided into the first intermediate busbar and the second intermediate busbar, wherein female among described first
The first screw hole, several and third row's electricity that several the second connecting terminals on first row electrolytic capacitor are aligned are provided on row
Solve the first connecting terminal alignment on capacitance the second screw hole, it is several with second row among electrolytic capacitor on the second wiring
Third screw hole, the first connecting terminal on two two electrolytic capacitors with second row outermost end of terminal alignment be aligned the
It is four screw holes, several avoiding the first avoid holes of the first connecting terminal on the electrolytic capacitor among second row；Described
The 5th screw hole and two that several the second connecting terminals on third row's electrolytic capacitor are aligned are provided on two intermediate busbars
The 6th screw hole being aligned with the second connecting terminal on two electrolytic capacitors of second row outermost end, it is female among described second
The 7th screw hole being connect with external input copper piece there are two being also set up on row；In the described second intermediate busbar far from described first
The side of intermediate busbar is arranged at intervals with several the first connection lugs being connect with IGBT module；
One is arranged the insulating part on the intermediate busbar, is provided on the insulating part on several first intermediate busbars
The 8th screw hole, several several second screw holes on the described first intermediate busbar of several first screw hole alignment are aligned
The tenth screw hole that 9th screw hole, several several third screw holes on the described first intermediate busbar are aligned, two and institute
State two the 4th screw holes alignment on the first intermediate busbar the 11st screw hole, it is several with the described first intermediate busbar on
First avoid holes alignment the second avoid holes, several several 5th screw holes on the described second intermediate busbar be aligned the tenth
Two screw holes, two the 13rd screw holes being aligned with two the 6th screw holes on the described second intermediate busbar and a third
Avoid holes, the 7th screw hole being connect with external input copper piece on several second intermediate busbars fall within the third and keep away
It allows in hole；
One top layer busbar is provided with several the first connecting terminals on first row electrolytic capacitor on the top layer busbar and is aligned
The 14th screw hole, the big hole, several for containing institute respectively that is aligned of several the 8th screw holes on the insulating part
State second avoid holes and the 12nd screw hole on insulating part the first kidney slot, two for respectively contain described in
It is second kidney slot of the 11st screw hole and the 13rd screw hole on insulating part, several for containing the insulation
The third kidney slot of the 9th screw hole and the 12nd screw hole on part, one kept away with the third on the insulating part
The 4th avoid holes for allowing hole to be aligned are provided with one in the peritreme of every 1 first kidney slot and are included in first kidney slot
The step lug of second avoid holes alignment is provided on each step lug on an electrolytic capacitor among one and second row
The first connecting terminal alignment 15 screw holes；The top layer busbar it is opposite with the 14th screw hole side is provided with one
Side is provided with several the second connection lugs being connect with IGBT module；Every 1 second connection lug connect lug with one first and is aligned
And it is electrically connected simultaneously with an IGBT module；
The both ends of several first equalizing resistances, every 1 first equalizing resistance are respectively arranged with the first connection sheet and the second connection sheet,
16th screw hole and the 17th screw hole there are one being respectively set in the first connection sheet and the second connection sheet, with one
First screw sequentially passes through one be screwed into after the 16th screw hole, the 14th screw hole in first row electrolytic capacitor
In the first connecting terminal on a electrolytic capacitor so that the top layer busbar and electrolytic capacitor all in first row electrolytic capacitor
On the first connecting terminal it is conductive in parallel；The 17th screw hole, big hole, one are sequentially passed through with second screw
The second wiring being screwed into after a 8th screw hole, first screw hole on an electrolytic capacitor in first row electrolytic capacitor
In terminal so that the first intermediate busbar is led with the second connecting terminal on electrolytic capacitor all in first row electrolytic capacitor
It is electrically in parallel；
The both ends of several second equalizing resistances, every 1 second equalizing resistance are respectively arranged with third connection sheet and the 4th connection sheet,
17th screw hole and the 18th screw hole there are one being respectively set in third connection sheet and the 4th connection sheet, with one
Third screw is screwed into after sequentially passing through first kidney slot, the 17th screw hole, the second avoid holes, first avoid holes
In the first connecting terminal on each electrolytic capacitor among second row so that all among the top layer busbar and second row
The first connecting terminal on electrolytic capacitor is conductive in parallel, and first kidney slot, the tenth spiral shell are sequentially passed through with the 4th screw
It is screwed into after nail hole, third screw hole in the second connecting terminal on an electrolytic capacitor among second row so that described
The second connecting terminal on all electrolytic capacitors among one intermediate busbar and second row is conductive in parallel；
The both ends of two third equalizing resistances, each third equalizing resistance are respectively arranged with the 5th connection sheet and the 6th connection sheet,
19th screw hole and the 20th screw hole there are one being respectively set in the 5th connection sheet and the 6th connection sheet, with one
After 5th screw sequentially passes through second kidney slot, the 19th screw hole, the 11st screw hole, the 4th screw hole
It is screwed into the first connecting terminal on each electrolytic capacitor of second row outermost end so that the first intermediate busbar and second
The first connecting terminal arranged on two electrolytic capacitors of outermost end is conductive in parallel；One second is sequentially passed through with the 6th screw
It is screwed into each of second row outermost end after kidney slot, the 20th screw hole, the 12nd screw hole, the 5th screw hole
In the second connecting terminal on electrolytic capacitor so that on the second intermediate busbar and two electrolytic capacitors of second row outermost end
The second connecting terminal it is conductive in parallel；
The both ends of several 4th equalizing resistances, every 1 the 4th equalizing resistance are respectively arranged with the 7th connection sheet and the 8th connection sheet,
It is respectively set in the 7th connection sheet and the 8th connection sheet there are one the 21st screw hole and the 22nd screw hole, is used
One the 7th screw screws in after sequentially passing through a third kidney slot, the 21st screw hole, the 9th screw hole, the second screw hole
It is arranged in the first connecting terminal on all electrolytic capacitors to third so that the first intermediate busbar arranges all electrolysis with third
The first connecting terminal on capacitance is conductive in parallel；A third kidney slot, the 22nd spiral shell are sequentially passed through with the 8th screw
It is screwed into the second connecting terminal that third is arranged on all electrolytic capacitors after nail hole, the 12nd screw hole, the 5th screw hole so that
It is conductive in parallel that the second intermediate busbar arranges the second connecting terminal on all electrolytic capacitors with third.
2. a kind of frequency converter stack bus bar component as described in claim 1, which is characterized in that the electrolytic capacitor quantity of first row
Identical as the electrolytic capacitor quantity of third row, the quantity of second row electrolytic capacitor is than the electrolytic capacitor quantity that first row and third are arranged
Lack one；Two in two electrolytic capacitors, third row in second row in each electrolytic capacitor first row nearest with it
Electrolytic capacitor is apart from equal.
3. a kind of frequency converter stack bus bar component as described in claim 1, which is characterized in that close on the in the top layer busbar
One this side of row's electrolytic capacitor is provided with the step of sinking, and the 14th all screw holes is arranged at intervals on the step.
4. a kind of frequency converter stack bus bar component as described in claim 1, which is characterized in that close on institute in the second intermediate busbar
The side setting of the first intermediate busbar is stated there are two cantilever, two the 6th screw holes are separately positioned on a cantilever, described
The side that first intermediate busbar closes on the described second intermediate busbar is each provided with an opening notch corresponding to the position of two cantilevers,
Each cantilever is extend into corresponding opening notch.
5. a kind of frequency converter stack bus bar component as described in claim 1, which is characterized in that be arranged on the top layer busbar
There are two the binding post that is connect with external input copper piece, two the 7th on described two binding posts and the second intermediate busbar
Screw hole mutual cooperation is electrically connected with the external input copper piece.
6. a kind of frequency converter stack bus bar component as described in claim 1, which is characterized in that first avoid holes, second
Avoid holes, third avoid holes and the 4th avoid holes are square hole.
7. a kind of frequency converter stack bus bar component as described in claim 1, which is characterized in that at the bottom of each electrolytic capacitor
Portion is both provided with a stud, and quantity through-hole identical with electrolytic capacitor quantity is offered in the electrolytic capacitor fixed plate, each
After stud screws on a nut after corresponding through-hole so that all electrolytic capacitors are fixed with the electrolytic capacitor fixed plate to be connected
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757906.6A CN108768138B (en) | 2018-07-11 | 2018-07-11 | Frequency converter laminated busbar assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757906.6A CN108768138B (en) | 2018-07-11 | 2018-07-11 | Frequency converter laminated busbar assembly |
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| Publication Number | Publication Date |
|---|---|
| CN108768138A true CN108768138A (en) | 2018-11-06 |
| CN108768138B CN108768138B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757906.6A Active CN108768138B (en) | 2018-07-11 | 2018-07-11 | Frequency converter laminated busbar assembly |
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| Country | Link |
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| CN201436781U (en) * | 2009-02-24 | 2010-04-07 | 上海雷诺尔电气有限公司 | Main structure of frequency conversion speed regulator |
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| US20150340157A1 (en) * | 2014-05-23 | 2015-11-26 | Delta Electronics (Shanghai) Co., Ltd. | Direct-current capacitor module and laminated busbar structure thereof |
| WO2018040308A1 (en) * | 2016-08-31 | 2018-03-08 | 浙江海得新能源有限公司 | Power cabinet for wind power converter |
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2018
- 2018-07-11 CN CN201810757906.6A patent/CN108768138B/en active Active
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|---|---|---|---|---|
| CN201436781U (en) * | 2009-02-24 | 2010-04-07 | 上海雷诺尔电气有限公司 | Main structure of frequency conversion speed regulator |
| CN202135072U (en) * | 2011-08-05 | 2012-02-01 | 南京国睿新能电子有限公司 | Inverted power supply main circuit unit device with module parallelly connected |
| CN202488145U (en) * | 2012-01-17 | 2012-10-10 | 上海雷诺尔电力自动化有限公司 | Modular power unit suitable for chain type dynamic electric energy control apparatus |
| US20150340157A1 (en) * | 2014-05-23 | 2015-11-26 | Delta Electronics (Shanghai) Co., Ltd. | Direct-current capacitor module and laminated busbar structure thereof |
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| CN108768138B (en) | 2023-07-11 |
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Inventor after: Chen Guocheng Inventor after: Acting Army Inventor after: Shi Chenggang Inventor after: Zheng Xuwang Inventor after: Du Xiaogang Inventor after: Hu Xianghai Inventor before: Chen Guocheng Inventor before: Acting Army Inventor before: Zheng Xuwang Inventor before: Du Xiaogang Inventor before: Hu Xianghai |
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Address after: 201800 Building 1, 188 Lane 3968, Chengbei Road, Jiading District, Shanghai Applicant after: SHANGHAI RENLE SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 201800, 1, 3980 North Road, Shanghai, Jiading District Applicant before: SHANGHAI RENLE SCIENCE & TECHNOLOGY Co.,Ltd. |
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