CN110417276A - A kind of busbar for capableing of fast assembling-disassembling - Google Patents

A kind of busbar for capableing of fast assembling-disassembling Download PDF

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Publication number
CN110417276A
CN110417276A CN201810395194.8A CN201810395194A CN110417276A CN 110417276 A CN110417276 A CN 110417276A CN 201810395194 A CN201810395194 A CN 201810395194A CN 110417276 A CN110417276 A CN 110417276A
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CN
China
Prior art keywords
busbar
conductive seat
power cell
connection structure
disassembling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810395194.8A
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Chinese (zh)
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CN110417276B (en
Inventor
史虎
胡家喜
王婷
李滔
李勇
孙胜苗
郭世慧
黄华坤
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Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CRRC Times Electric Co Ltd
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Priority to CN201810395194.8A priority Critical patent/CN110417276B/en
Publication of CN110417276A publication Critical patent/CN110417276A/en
Application granted granted Critical
Publication of CN110417276B publication Critical patent/CN110417276B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • H01R13/506Bases; Cases composed of different pieces assembled by snap action of the parts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections

Abstract

The present invention relates to the busbar that one kind is capable of fast assembling-disassembling, the lower surface of the busbar is equipped with multiple rows of parallel connection structure;Every row's connection structure is by multiple first conductive seat groups at the both ends of every row's connection structure are respectively defined as arrival end and clearing end, wherein the height of the first conductive seat is successively decreased from clearing end to arrival end equal difference in every row's connection structure.By the busbar can quickly device or power cell be dismantled or are connected on busbar, and can be avoided damage caused by the multiple friction between busbar and device or power cell.

Description

A kind of busbar for capableing of fast assembling-disassembling
Technical field
The invention belongs to power electronics fields, and in particular to one kind is capable of the busbar of fast assembling-disassembling.
Background technique
In, in the engineering design of large capacity IGBT inverter, bus of rationally arranging reduces distributed inductance for protection IGBT element is extremely important from being punctured by transient overvoltage, therefore, seeks the structure design and system less than 100nil low-inductance bus One of the key technology of the main circuit design of IGBT inverter is had become as method.Although existing various low-inductance bus can expire The basic demand of sufficient IGBT converter main circuit structure design.
But there is also following deficiencies: multiple devices or multiple power cells are connected in parallel on busbar 1, due to target Device or power cell are electrically connected by the conductive column 13 on busbar 1, are if desired replaced or are removed one of them When device or a power cell 3, it need to will remove whole corresponding to target devices or power cell on busbar and connect bolt, Device or power cell can be extracted out from busbar, however, since existing busbar is divided into no conductive column busbar (as shown in Figure 3) And have conductive column busbar (as shown in Figure 5), and have the height of conductive column 13 on conductive column busbar equal, cause when by device or During power cell 3 is extracted out, the upper surface of device or power cell 3 successively can be contacted with multiple conductive columns 13 of process And repeatedly friction (as shown in Figure 4 and Figure 6) is generated, therefore will cause busbar, the abrasion of device or power cell 3, damage.
Summary of the invention
It to solve the above-mentioned problems, can be fast by the busbar the present invention provides the busbar that one kind is capable of fast assembling-disassembling Device or power cell are dismantled or are connected on busbar by speed, and can be avoided multiple between busbar and device or power cell It is damaged caused by friction.
Provide a kind of busbar for capableing of fast assembling-disassembling according to the present invention, the lower surface of the busbar is equipped with multiple rows of parallel Connection structure;Every row's connection structure is by multiple first conductive seat groups at the both ends of every row's connection structure are respectively defined as arrival end And clearing end, wherein the height of the first conductive seat is successively decreased from clearing end to arrival end equal difference in every row's connection structure.
In one embodiment, the busbar includes multiple primary and secondary rows, and each primary and secondary row is equipped with an at least row and connects knot Structure, multiple primary and secondary row detachables are combined into the busbar.
In one embodiment, the correspondingly connected power cell of each row's connection structure, each power cell it is upper Surface is equipped with multiple second conductive seats, wherein the height of the second electric conductor is from arrival end to clearing end etc. in each power cell Difference is successively decreased.
In one embodiment, the power cell is bolted to connection on busbar, wherein bolt is from busbar It is inserted into and sequentially passes through busbar, the first conductive seat and the second conductive seat in upper surface.
In one embodiment, the quantity of the second conductive seat of each power cell and position and corresponding connection structure The first conductive seat quantity and position match, it is parallel and in parallel that multiple power cells pass through corresponding connection structure respectively Ground is connected on busbar.
In one embodiment, on the power cell two neighboring second electric conductor difference in height Yu the connection structure The difference in height of upper two neighboring first electric conductor is equal.
In one embodiment, the first conductive seat detachable it is connected to the lower surface of busbar.
In one embodiment, the second conductive seat detachable it is connected to the upper surface of power cell.
In one embodiment, multiple first conductive seats in the connection structure and multiple in the power cell Equally spaced setting between two conductive seats.
In one embodiment, first conductive seat and the second conductive seat are cylindrical body or cuboid.
Structure according to the present invention, the present invention has the advantages that the height of first conductive seat of (1) busbar of the present invention is by end Not-go-end successively decreases to arrival end equal difference, meanwhile, the height of the second conductive seat on the power cell being connected with busbar is also by entrance It holds to clearing end equal difference and successively decreases, when needing for power cell to be connected on busbar, power cell is inserted by arrival end, and busbar enters The first conductive seat at mouthful end will not with the second conductive seat friction for being passed through, it is only corresponding at power cell upper inlet end One the second conductive seat friction;The second conductive seat and end when needing to remove power cell from busbar, at clearing end A first conductive seat relative friction at not-go-end, thus avoid installation and removal during it is unnecessary rub repeatedly, To reduce the spoilage of busbar and power cell;(2) busbar can by an entirety, can also by multiple primary and secondaries arrange connection and At, and each connection structure individually connects a power cell, when needing to remove target power unit, it is only necessary to by power list First all disassembling bolts connected with corresponding connection structure, without removing the bolt on entire busbar.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 shows the main view of busbar structure of the present invention;
Fig. 2 shows the structural schematic diagram of busbar and power cell of the present invention;
Fig. 3 and Fig. 4, which is shown, in the prior art to be connect without conductive column busbar and without conductive column busbar with power cell Structural schematic diagram;
Fig. 5 and Fig. 6, which is shown, to be had conductive column busbar in the prior art and has conductive column busbar to connect with power cell Structural schematic diagram.
Identical component uses identical appended drawing reference in the accompanying drawings.The attached drawing is not drawn according to the actual ratio.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.To the present invention, how applied technology method solves skill whereby Art problem, and the realization process for reaching technical effect can be fully understood and implemented.It should be noted that as long as there is no punchings Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
In the present invention it should be noted that term used herein " row " is for limiting connection structure along busbar water Square to arrangement.
Busbar 1 of the invention can be realized the fast assembling-disassembling with power cell 3, as shown in Figure 1, being 1 knot of busbar of the present invention The main view of structure, it is preferable that busbar 1 is low-inductance bus 1 but is not limited to low-inductance bus 1, and the connection of busbar bus also can be used.By Fig. 1 is it is found that busbar 1 includes the intersect insulating layer 11 and conductive plate 12 of setting, since 1 structure of busbar is the prior art, because Details are not described herein for this.But the present invention is not limited to two layers of busbars shown in FIG. 1, can design according to actual needs.
The lower surface of the busbar 1 is equipped with multiple rows of parallel connection structure 2;Every row's connection structure 2 is conductive by multiple first Seat composition, it is preferable that first conductive seat 21 can be active conductive seat, i.e., be removably connected to the lower surface of busbar 1, It can also be designed with 1 integral structure of busbar.The both ends of every row's connection structure 2 are respectively defined as arrival end and clearing end, at arrival end Minimum, the highest of 21 height of the first conductive seat at clearing end of first conductive seat, 21 height, and the first conductive seat of each adjacent two 21 difference in height is t, and therefore, the height of first conductive seat 21 is passed from clearing end to arrival end equal difference in every row's connection structure 2 Subtract.In the present embodiment, 1 lower surface of busbar is set there are four the first conductive seat 21, the maximum radial of each the first conductive seat 21 Having a size of d.And it is arranged at equal intervals between multiple first conductive seats 21 in the connection structure 2, i.e., multiple first conductive seats 21 It is equidistant to line up a horizontally-arranged lower surface that busbar 1 is set.
It should be noted that the quantity of the first conductive seat 21 is not limited to four, can be increased according to the needs of actual design Or reduce the quantity of 1 the first conductive seat of lower surface 21 of busbar.And in multiple parallel connection structures 2 of composition busbar 1, each Quantity in connection structure 2 in first conductive seat 21 is without completely the same.
Busbar 1 can be a complete, indivisible plate structure, i.e. a busbar 1 its following table as a whole Face is equipped with multiple rows of parallel connection structure 2, and in addition to this, busbar 1 can also be arranged by multiple primary and secondaries and be formed, on each primary and secondary row at least Equipped with row's connection structure 2, it is preferable that primary and secondary row can arrange there are many specification, i.e., each primary and secondary and be respectively provided with row connection knot Structure 2, can also each primary and secondary row be equipped with multiple rows of connection structures 2 such as two rows, three rows, therefore, busbar can be by the son of plurality of specifications The number demand for the power cell 3 that busbar connects as needed is hung down along with 21 orientation of the first conductive seat in connection structure 2 Straight direction detachable is composed.
Preferably, 2 correspondingly connected power cells 3 of each row's connection structure, as shown in Fig. 2, each power cell 3 Upper surface be equipped with multiple second conductive seats 31, wherein in each power cell 3 height of second electric conductor also from arrival end to Clearing end equal difference is successively decreased.Correspondingly, the quantity of the second conductive seat 31 on each power cell 3 and position and corresponding connection The quantity of the first conductive seat 21 in structure 2 and position match, that is, in the present embodiment, four also are provided on power cell 3 Second conductive seat 31, the difference in height of two neighboring second conductive seat 31 is also t on power cell 3, and in the power cell 3 Multiple second conductive seats 31 between be also arranged at equal intervals, the distance at interval be spaced between the first conductive seat 21 at a distance from phase Deng.In addition, the structure that first conductive seat 21 and the second conductive seat 31 are the other shapes such as cylindrical body, cuboid protrudes from mother The surface of row and power cell 3, therefore, when the two structure is cylindrical body, the second conductive seat 31 and the first conductive seat 21 Maximum radial dimension is equal, is d;Preferably, the first conductive seat 21 is identical with the cross-sectional shape of the second conductive seat 31, thus The two can be contacted well in connection.
In the present embodiment, the first conductive seat 21 is located at the lower surface of busbar, and the second conductive seat 31 is located at the upper of power cell 3 Surface, however in contrast upper and lower surfaces are, it is therefore an objective on the second conductive seat 31 and busbar on power cell 3 First conductive seat 21 connects, it is preferable that the power cell 3 is fixedly connected on busbar by bolt 4, wherein bolt 4 Busbar, the first conductive seat 21 and the second conductive seat 31 are inserted into and sequentially passed through from the upper surface of busbar, to realize multiple power Unit 3 is parallel by corresponding connection structure 2 respectively and is connected in parallel on busbar.
Preferably, second conductive seat 31 can also be active conductive seat, i.e., be removably connected to power cell 3 Upper surface can also be designed with 3 integral structure of power cell.
Preferably, the lower end surface of the first conductive seat 21 and the upper surface of the second conductive seat 31 are equipped with chamfering C, chamfering C energy Enough push-in for preferably guaranteeing power cell 3 prevent the first conductive seat 21 of the second conductive seat 31 and busbar on power cell 3 Between abrasion.
Specifically, the present invention is when needing installation power unit 3, due to the height of the first conductive seat 21 in connection structure 2 It is incremented by from arrival end to clearing end equal difference, and the height of second conductive seat 31 is from arrival end to clearing end equal difference in power cell 3 Successively decrease, therefore, when the power cell 3 with the second conductive seat 31 is inserted into from the arrival end of busbar connection structure 2, at clearing end The 4th the second conductive seat 31 can't touch first three first conductive seat 21, only when the 4th the second conductive seat 31 and the When four the first conductive seat 21 contacts, continue to slide with power cell 3,21 meetings of each first conductive seat and function on busbar Each second conductive seat 31 generates the contact friction that distance is d on rate unit 3.Then, by each pair of first conductive seat 21 and second It is fixed together between conductive seat 31 by fastening bolt 4.
Similarly, when needing to dismantle target power unit 3 (with the multiple parallel and in parallel power cell 3 of busbar connection One of them), it is conductive that first will be connected on target power unit 3 on second conductive seat 31 and corresponding connection structure 2 Bolt 4 between seat 21 is all removed, and then extracts target power unit 3 from clearing end to entrance extreme direction out, however Power cell 3 is only needed into moving distance d from clearing end to entrance extreme direction, it can be complete by target power unit 3 and busbar It is detached from.Period, the second conductive seat 31 also only generate the contact friction that distance is d with the first conductive seat 21.So as to avoid in function When the access of rate unit 3 and dismounting, the excessive wear with low-inductance bus 1.
In addition, when the primary and secondary that busbar is plurality of specifications is arranged detachable and is composed, it can also be first by target power unit 3 Corresponding primary and secondary row removes, and then dismantles the fastening bolt 4 between busbar and power cell 3, it is only necessary to busbar is removed upwards, Power cell 3 without being slided between busbar and power cell 3, i.e., on removable busbar;If the first conductive seat 21 and Two conductive seats 31 are active conductive seat, when needing to remove the maintenance of power cell 3, first remove fastening bolt 4, then remove first and lead Electric seat 21 and the second conductive seat 31, finally move power cell 3;Both schemes completely avoid busbar and power cell 3 Absolute sliding, be not necessarily to the movement of power cell 3 and busbar after disassembly is lower, therefore also avoid power cell 3 and busbar Between abrasion.
Through the above structure it is found that compared with prior art, the present invention advantage is: (1) the first of busbar of the present invention is led The height of electric seat 21 is successively decreased from clearing end to arrival end equal difference, meanwhile, second on the power cell 3 being connected with busbar is conductive The height of seat 31 is also successively decreased from arrival end to clearing end equal difference, when needing for power cell 3 to be connected on busbar, power cell 3 are pushed by arrival end, and the first conductive seat 21 at busbar arrival end will not rub with the second conductive seat 31 for being passed through, only and function Corresponding second conductive seat 31 friction at 3 upper inlet end of rate unit;When needing to remove power cell 3 from busbar When, the second conductive seat 31 at clearing end only with 21 relative friction of the first conductive seat at clearing end, therefore avoids peace Unnecessary during assembly and disassembly rubs repeatedly, to reduce the spoilage of busbar and power cell 3;(2) busbar can be with By an entirety, it can also be arranged and be formed by connecting by multiple primary and secondaries, and the first conductive seat 21 on busbar and power cell 3 and the Two conductive seats 31 can be active conductive seat, due to independent one power cell 3 of connection of each connection structure 2, when needing to remove mesh When marking power cell 3, it is only necessary to remove power cell 3 with all bolts 4 that corresponding connection structure 2 is connected, nothing The bolt 4 on entire busbar need to be removed, thus avoid completely power cell 3 with busbar contact friction and generate abrasion.
Although by reference to preferred embodiment as above, invention has been described, the content only to facilitate The embodiment for understanding the present invention and using, is not intended to limit the invention.Technology in any the technical field of the invention Personnel can appoint in the formal and details of implementation without departing from the spirit and scope of the present disclosure What modification and variation, but scope of patent protection of the invention, still should be subject to the scope of the claims as defined in the appended claims.

Claims (10)

1. the busbar that one kind is capable of fast assembling-disassembling, which is characterized in that the lower surface of the busbar is equipped with multiple rows of parallel connection knot Structure;Every row's connection structure is by multiple first conductive seat groups at the both ends of every row's connection structure are respectively defined as arrival end and termination End, wherein the height of the first conductive seat is successively decreased from clearing end to arrival end equal difference in every row's connection structure.
2. the busbar that one kind according to claim 1 is capable of fast assembling-disassembling, which is characterized in that the busbar includes multiple sons Busbar, each primary and secondary row are equipped at least row's connection structure, and multiple primary and secondary row detachables are combined into the busbar.
3. the busbar that one kind according to claim 1 or 2 is capable of fast assembling-disassembling, which is characterized in that each row's connection structure The upper surface of a correspondingly connected power cell, each power cell is equipped with multiple second conductive seats, wherein each power list The height of the second electric conductor is successively decreased from arrival end to clearing end equal difference in member.
4. the busbar that one kind according to claim 3 is capable of fast assembling-disassembling, which is characterized in that the power cell passes through spiral shell Bolt is fixedly connected on busbar, wherein bolt is inserted into from the upper surface of busbar and sequentially passes through busbar, the first conductive seat and second Conductive seat.
5. the busbar that one kind according to claim 3 is capable of fast assembling-disassembling, which is characterized in that the second of each power cell The quantity of conductive seat and position match with the quantity of the first conductive seat of corresponding connection structure and position, multiple power lists Member is parallel by corresponding connection structure respectively and is connected in parallel on busbar.
6. the busbar that one kind according to claim 3 is capable of fast assembling-disassembling, which is characterized in that adjacent on the power cell The difference in height of two the second electric conductors is equal with the difference in height of the first electric conductor two neighboring in the connection structure.
7. the busbar that one kind according to claim 1 is capable of fast assembling-disassembling, which is characterized in that the first conductive seat disassembly It is connected to the lower surface of busbar likes.
8. the busbar that one kind according to claim 3 is capable of fast assembling-disassembling, which is characterized in that the second conductive seat disassembly It is connected to the upper surface of power cell likes.
9. the busbar that one kind according to claim 3 is capable of fast assembling-disassembling, which is characterized in that more in the connection structure Equally spaced setting between multiple second conductive seats in a first conductive seat and the power cell.
10. the busbar that one kind according to claim 3 is capable of fast assembling-disassembling, which is characterized in that first conductive seat and Second conductive seat is cylindrical body or cuboid.
CN201810395194.8A 2018-04-27 2018-04-27 Busbar capable of being quickly disassembled and assembled Active CN110417276B (en)

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Application Number Priority Date Filing Date Title
CN201810395194.8A CN110417276B (en) 2018-04-27 2018-04-27 Busbar capable of being quickly disassembled and assembled

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810395194.8A CN110417276B (en) 2018-04-27 2018-04-27 Busbar capable of being quickly disassembled and assembled

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CN110417276A true CN110417276A (en) 2019-11-05
CN110417276B CN110417276B (en) 2020-11-03

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1351396A (en) * 2000-10-26 2002-05-29 铁道部株洲市电力机车研究所 Design and manufacture of low-inductance bus
JP2006295997A (en) * 2005-04-05 2006-10-26 Denso Corp Power converter
JP2007174863A (en) * 2005-12-26 2007-07-05 Denso Corp Busbar connection type electronic circuit device and attaching method therefor
CN203056315U (en) * 2013-01-24 2013-07-10 乐清市高科环保电子有限公司 Busbar having connector at wire inlet end
CN203911173U (en) * 2014-06-23 2014-10-29 株洲南车时代电气股份有限公司 Multi-layer wire outlet branching busbar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1351396A (en) * 2000-10-26 2002-05-29 铁道部株洲市电力机车研究所 Design and manufacture of low-inductance bus
JP2006295997A (en) * 2005-04-05 2006-10-26 Denso Corp Power converter
JP2007174863A (en) * 2005-12-26 2007-07-05 Denso Corp Busbar connection type electronic circuit device and attaching method therefor
CN203056315U (en) * 2013-01-24 2013-07-10 乐清市高科环保电子有限公司 Busbar having connector at wire inlet end
CN203911173U (en) * 2014-06-23 2014-10-29 株洲南车时代电气股份有限公司 Multi-layer wire outlet branching busbar

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