CN203423609U - AC outlet wire bar - Google Patents
AC outlet wire bar Download PDFInfo
- Publication number
- CN203423609U CN203423609U CN201320554577.8U CN201320554577U CN203423609U CN 203423609 U CN203423609 U CN 203423609U CN 201320554577 U CN201320554577 U CN 201320554577U CN 203423609 U CN203423609 U CN 203423609U
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- Prior art keywords
- groove
- transverse part
- vertical portion
- length
- slot
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- Expired - Lifetime
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Abstract
The utility model discloses an AC outlet wire bar, comprising an outlet wire bar body. The outlet wire bar body is a plate-shaped copper bar which is bended to form a step structure. The outlet wire bar body comprises a first transverse portion, a first vertical portion, a second transverse portion and a second vertical portion. Five grooves, which are concave backwardly and run through up and down, are uniformly distributed at the front end of the first transverse portion from left to right at intervals; the first transverse portion is separated by the five grooves into six input hole installation portions with the same length; each input hole installation portion is provided with a pair of input holes; the second vertical portion is provided with a pair of output holes; and the pair of output holes are distributed symmetrically left and right along the vertical center line of the vertical portion of the outlet wire bar body. According to the AC outlet wire bar, the distribution parameters of AC outlet wires of power modules in parallel connection are consistent as much as possible, thereby the dynamic current sharing and static current sharing when power modules are in parallel connection are improved.
Description
Technical field
The utility model relates to a kind of interchange outlet row, belongs to the parallel technology field of power model.
Background technology
Now a lot of power models, if IGBT is positive temperature coefficient, are easy to it in parallel applicable, thus the power output of increasing power module place device.When power model is in parallel, exist dynamic current equalizing and Current for paralleled problem, comprise that the distributed constant of the circuit system that exchanges outlet distributed constant has very large impact for two kinds of current-sharings, especially dynamic current equalizings.Refer to Fig. 1, the half-bridge circuit of two power model parallel connections of take is example, and each power model is composed in series by top tube and down tube, and each power model has two to exchange and occur end, each power model top tube and down tube respectively corresponding one exchange leading-out terminal.Circuit distributed constant main in half-bridge circuit comprises: L
1 β, R
1 β, L
11 βr
11 βand L
2 β, R
2 β, L
22 β, R
22 βrespectively the DC connecting end distributed constant of two power models, L
1 δ, R
1and L
2 δ, R
2it is the interchange leading-out terminal distributed constant of two modules.Existing interchange outlet structure adopts flexible connecting line to add outlet copper bar or isometric cable more, the former flexible connecting line price comparison is expensive, and the latter is when many group power models are in parallel, or during large current conditions, the complexity that increases structure, is unfavorable for structural design.
Utility model content
The purpose of this utility model is the defect that overcomes prior art, a kind of interchange outlet row is provided, and simple in structure, cost is low, can make to exchange outlet distributed constant when power model is in parallel to be used consistent, thus dynamic current equalizing and Current for paralleled while improving power model parallel connection.
The technical scheme that realizes above-mentioned purpose is: a kind of interchange outlet row, comprise outlet row body, described outlet row body is that tabular copper bar and bending are step-like structure, comprise the first transverse part, the first vertical portion, the second transverse part and the second vertical portion, the rear end of described the first transverse part is connected with the bottom of described the first vertical portion, the top of described the first vertical portion is connected with the front end of described the second transverse part, and the rear end of described the second transverse part is connected with the bottom of described the second vertical portion;
Distribute the evenly and at intervals from left to right groove of five up/down perforations that fall in backward of the front end of described the first transverse part, the length of described each groove is identical, and the width of described each groove is identical with the width of described the first transverse part, described five grooves are followed successively by the first groove from left to right, the second groove, the 3rd groove, the 4th groove and the 5th groove, described the first groove and the 5th groove and described the second groove and the 4th groove are symmetrical along the longitudinal centre line of described the first transverse part respectively, the longitudinal centre line of described the 3rd groove overlaps with the longitudinal centre line of described the first transverse part, described the first transverse part is partitioned into six input hole installation portions that length is identical by described five grooves, on each input hole installation portion, offer a pair of input hole, described every pair of input hole is symmetrical along the longitudinal centre line of corresponding input hole installation portion, the shape of described each input hole with identical and each input hole Kong center of size on same straight line,
The 6th groove and the 7th groove that front and back that upwards fall in connect offered respectively in the position that the bottom of described the first vertical portion is connected with the 4th groove with described the second groove, the length of described the 6th groove is identical with the length of described the second groove, the height of described the 6th groove is identical with the height of described the first vertical portion, and described the 6th groove and the 7th groove are symmetrical along the vertical center line of described the first vertical portion, described the first vertical portion is partitioned into the 7th groove the left, center, right part that length is identical by described the 6th groove;
The first T-slot and second T-slot of a up/down perforation falling in backward offered respectively in the position that the front end of described the second transverse part is connected with the 7th groove with described the 6th groove, the length of the longitudinal part of described the first T-slot is identical with the length of described the 6th groove, the width of the longitudinal part of described the first T-slot be less than described the second transverse part width 1/3rd, the length of the transverse part of described the first T-slot is three times to four times of described the 6th groove length, and described the first T-slot and the second T-slot are symmetrical along the longitudinal centre line of described the second transverse part, a strip hole is laterally offered in the position of close described second vertical portion of described the second transverse part, and the longitudinal centre line in this strip hole overlaps with the longitudinal centre line of described the second transverse part,
Described the second vertical portion is provided with a pair of delivery outlet, and described a pair of delivery outlet is symmetrical along the vertical center line of described the first vertical portion.
Above-mentioned interchange outlet row, wherein, described the second transverse part is provided with some installing holes.
Above-mentioned interchange outlet row, wherein, described some mounting hole site are in the transverse part of described the first T-slot and the transverse part rear of the second T-slot and be positioned at the place ahead in strip hole.
Above-mentioned interchange outlet row, wherein, the number of described installing hole is 3.
Above-mentioned interchange outlet row, wherein, the length in described strip hole is three times to four times of length of described the 6th groove.
Interchange outlet row of the present utility model beneficial effect is compared with prior art, simple in structure, cost is low, exchanges outlet distributed constant consistent while utilizing lower cost to realize power model use in parallel, thus dynamic current equalizing and Current for paralleled while improving power model parallel connection.
Accompanying drawing explanation
Half-bridge structure schematic diagram when Fig. 1 is two power models parallel connections;
Fig. 2 is the end view of interchange outlet row of the present utility model;
Fig. 3 is the front view of interchange outlet row of the present utility model;
Fig. 4 is the vertical view of interchange outlet row of the present utility model.
Embodiment
In order to make those skilled in the art can understand better the technical solution of the utility model, below in conjunction with accompanying drawing, its embodiment is described in detail:
Refer to Fig. 2, a kind of interchange outlet row, comprise outlet row body, outlet row body is that tabular copper bar and bending are step-like structure, comprise the first transverse part 1, the first vertical portion 2, the second transverse part 3 and the second vertical portion 4, the rear end of the first transverse part 1 is connected with the bottom of the first vertical portion 2, and the top of the first vertical portion 2 is connected with the front end of the second transverse part 3, and the rear end of the second transverse part 3 is connected with the bottom of the second vertical portion 4.
Refer to again Fig. 3 and Fig. 4, distribute the evenly and at intervals from left to right groove of five up/down perforations that fall in backward of the front end of the first transverse part 1, the length of each groove is identical, and the width of each groove is identical with the width of the first transverse part 1, these five grooves are followed successively by the first groove 11 from left to right, the second groove 12, the 3rd groove 13, the 4th groove 14 and the 5th groove 15, the first groove 11 and the 5th groove 15 and described the second groove 12 and the 4th groove 14 are symmetrical along the longitudinal centre line of the first transverse part 1 respectively, the longitudinal centre line of the 3rd groove 13 overlaps with the longitudinal centre line of the first transverse part 1.The first transverse part 1 is partitioned into six input hole installation portions 16 that length is identical by five grooves, on each input hole installation portion 16, offer a pair of input hole 17, every pair of input hole is symmetrical along the longitudinal centre line of 17 corresponding input hole installation portions 16, the shape of each input hole 17 with identical and each input hole 17Kong center of size on same straight line.
The 6th groove 21 and the 7th groove 22 that front and back that upwards fall in connect offered respectively in the position that the bottom of the first vertical portion 2 is connected with the 4th groove 15 with the second groove 14, the length of the 6th groove 21 is identical with the length of the second groove 12, the height of the 6th groove 21 is identical with the height of the first vertical portion 2, and the 6th groove 21 and the 7th groove 22 are symmetrical along the vertical center line of the first vertical portion 2, the first vertical portion 2 is partitioned into the 7th groove 22 the left, center, right part that length is identical by the 6th groove 21.
The first T-slot 31 and second T-slot 32 of a up/down perforation falling in backward offered respectively in the position that the front end of the second transverse part 3 is connected with the 7th groove 22 with the 6th groove 21, the length of the longitudinal part of the first T-slot 31 is identical with the length of the 6th groove 21, the width of the longitudinal part of the first T-slot 31 be less than described the second transverse part 3 width 1/3rd, the length of the transverse part of the first T-slot 31 is three times to four times of the 6th groove 21 length, and the first T-slot 31 and the second T-slot 32 symmetrical along the longitudinal centre line of the second transverse part 3; The second transverse part 3 near the position of the second vertical portion 4 laterally offering a strip hole 33, and the longitudinal centre line in this strip hole 33 overlaps with the longitudinal centre line of the second transverse part 3, the length in strip hole 33 is three times to four times of length of the 6th groove 21; Preferably, the second transverse part 3 is provided with some installing holes 34, and each installing hole 34 is positioned at the transverse part of described the first T-slot 31 and the transverse part rear of the second T-slot 32 and is positioned at the place ahead in strip hole 33; Further, the number of installing hole is 3.
The second vertical portion 4 is provided with a pair of delivery outlet 41,42, and this pair of delivery outlet 41,42 is symmetrical along the vertical center line of the first vertical portion 4.
In the present embodiment, the second groove, the 6th groove are corresponding with the position relationship of the first dovetail groove, and the second groove, the 6th groove and the first dovetail groove are communicated with successively; The 4th groove, the 7th groove are corresponding with the position relationship of the second dovetail groove, and the 4th groove, the 7th groove and the second dovetail groove are communicated with successively.
When the design principle of interchange outlet row of the present utility model is electric current process interchange outlet row, identical to the distance of delivery outlet process from input hole.In use, two interchange leading-out terminals of each power model are connected with a pair of input hole that exchanges outlet row respectively, exchange the delivery outlet external load of outlet row, and electric current is identical to the distance of delivery outlet process from input hole.
Interchange outlet row of the present utility model is simple in structure, and cost is low, exchanges outlet distributed constant consistent while utilizing lower cost to realize power model use in parallel, thus dynamic current equalizing and Current for paralleled while improving power model parallel connection.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the utility model is described, and be not used as restriction of the present utility model, as long as within the scope of connotation of the present utility model, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present utility model.
Claims (5)
1. one kind exchanges outlet row, comprise outlet row body, it is characterized in that, described outlet row body is that tabular copper bar and bending are step-like structure, comprise the first transverse part, the first vertical portion, the second transverse part and the second vertical portion, the rear end of described the first transverse part is connected with the bottom of described the first vertical portion, and the top of described the first vertical portion is connected with the front end of described the second transverse part, and the rear end of described the second transverse part is connected with the bottom of described the second vertical portion;
Distribute the evenly and at intervals from left to right groove of five up/down perforations that fall in backward of the front end of described the first transverse part, the length of described each groove is identical, and the width of described each groove is identical with the width of described the first transverse part, described five grooves are followed successively by the first groove from left to right, the second groove, the 3rd groove, the 4th groove and the 5th groove, described the first groove and the 5th groove and described the second groove and the 4th groove are symmetrical along the longitudinal centre line of described the first transverse part respectively, the longitudinal centre line of described the 3rd groove overlaps with the longitudinal centre line of described the first transverse part, described the first transverse part is partitioned into six input hole installation portions that length is identical by described five grooves, on each input hole installation portion, offer a pair of input hole, described every pair of input hole is symmetrical along the longitudinal centre line of corresponding input hole installation portion, the shape of described each input hole with identical and each input hole Kong center of size on same straight line,
The 6th groove and the 7th groove that front and back that upwards fall in connect offered respectively in the position that the bottom of described the first vertical portion is connected with the 4th groove with described the second groove, the length of described the 6th groove is identical with the length of described the second groove, the height of described the 6th groove is identical with the height of described the first vertical portion, and described the 6th groove and the 7th groove are symmetrical along the vertical center line of described the first vertical portion, described the first vertical portion is partitioned into the 7th groove the left, center, right part that length is identical by described the 6th groove;
The first T-slot and second T-slot of a up/down perforation falling in backward offered respectively in the position that the front end of described the second transverse part is connected with the 7th groove with described the 6th groove, the length of the longitudinal part of described the first T-slot is identical with the length of described the 6th groove, the width of the longitudinal part of described the first T-slot be less than described the second transverse part width 1/3rd, the length of the transverse part of described the first T-slot is three times to four times of described the 6th groove length, and described the first T-slot and the second T-slot are symmetrical along the longitudinal centre line of described the second transverse part, a strip hole is laterally offered in the position of close described second vertical portion of described the second transverse part, and the longitudinal centre line in this strip hole overlaps with the longitudinal centre line of described the second transverse part,
Described the second vertical portion is provided with a pair of delivery outlet, and described a pair of delivery outlet is symmetrical along the vertical center line of described the first vertical portion.
2. interchange outlet row according to claim 1, is characterized in that, described the second transverse part is provided with some installing holes.
3. interchange outlet row according to claim 2, is characterized in that, described some mounting hole site are in the transverse part of described the first T-slot and the transverse part rear of the second T-slot and be positioned at the place ahead in strip hole.
4. according to the interchange outlet row described in claim 2 or 3, it is characterized in that, the number of described installing hole is 3.
5. interchange outlet row according to claim 4, is characterized in that, the length in described strip hole is three times to four times of length of described the 6th groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554577.8U CN203423609U (en) | 2013-09-06 | 2013-09-06 | AC outlet wire bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554577.8U CN203423609U (en) | 2013-09-06 | 2013-09-06 | AC outlet wire bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423609U true CN203423609U (en) | 2014-02-05 |
Family
ID=50022698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320554577.8U Expired - Lifetime CN203423609U (en) | 2013-09-06 | 2013-09-06 | AC outlet wire bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423609U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332787A (en) * | 2014-02-12 | 2015-02-04 | 上海新时达电气股份有限公司 | AC copper busbar |
| CN104576624A (en) * | 2014-12-29 | 2015-04-29 | 中国船舶重工集团公司第七一三研究所 | IGBT (insulated gate bipolar translator) module and output copper bar electrical connection structure |
| CN107425737A (en) * | 2017-09-21 | 2017-12-01 | 北京天诚同创电气有限公司 | Power model, current transformer and wind power generating set |
-
2013
- 2013-09-06 CN CN201320554577.8U patent/CN203423609U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332787A (en) * | 2014-02-12 | 2015-02-04 | 上海新时达电气股份有限公司 | AC copper busbar |
| CN104332787B (en) * | 2014-02-12 | 2017-01-04 | 上海新时达电气股份有限公司 | AC copper-line |
| CN104576624A (en) * | 2014-12-29 | 2015-04-29 | 中国船舶重工集团公司第七一三研究所 | IGBT (insulated gate bipolar translator) module and output copper bar electrical connection structure |
| CN104576624B (en) * | 2014-12-29 | 2018-10-19 | 中船重工海为郑州高科技有限公司 | A kind of IGBT module and output copper bar electric connection structure |
| CN107425737A (en) * | 2017-09-21 | 2017-12-01 | 北京天诚同创电气有限公司 | Power model, current transformer and wind power generating set |
| CN107425737B (en) * | 2017-09-21 | 2019-12-31 | 北京天诚同创电气有限公司 | Power module, converter and wind generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |