CN102122537A - Composite bus bar and assembly method thereof - Google Patents
Composite bus bar and assembly method thereof Download PDFInfo
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- CN102122537A CN102122537A CN 201110008050 CN201110008050A CN102122537A CN 102122537 A CN102122537 A CN 102122537A CN 201110008050 CN201110008050 CN 201110008050 CN 201110008050 A CN201110008050 A CN 201110008050A CN 102122537 A CN102122537 A CN 102122537A
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- bus bar
- composite bus
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- tack coat
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Abstract
The invention discloses a composite bus bar made of an aluminum alloy conductor bar material as well as an assembly method thereof. The composite bus bar comprises conductor bars, insulating layers and bonding layers, wherein, the conductor bars are bonded and compounded with the insulating layers through the bonding layers; the composite bus bar is formed by sequentially superposing the insulating layer I, the bonding layer I, the conductor bar I, the bonding layer II, the insulating layer II, the bonding layer III, the conductor bar II, the bonding layer IV and the insulating layer III layer by layer; the conductor bar I and the conductor bar II are made of aluminum alloy materials; and the composite bus bar further comprises insulating fillers and insulating plugging blocks which are positioned in prefabricated holes of the conductor bar I and the conductor bar II. By utilizing the technical scheme provided by the invention, the composite bus bar has the advantages of low density and low cost, and is simple in machining, thus reducing overall weight of the composite bus bar, facilitating installation and transportation, and broadening application field of the composite bus bar; and meanwhile, by means of structural design improvement, electrical conductivity and heat dissipation performance of the aluminum alloy composite bus bar are enhanced.
Description
Technical field
The present invention relates to a kind of composite bus bar and assemble method thereof, especially relate to a kind of employing aluminum alloy materials that is applied to power electronic technology and replace the composite bus bar and the assemble method thereof of red copper material, be widely used in electric power and mix power domains such as traction, electric traction equipment, cellular based communication base station, telephone switching system, catenet equipment, big-and-middle-sized computer as conductor material.
Background technology
Composite bus bar is to adopt thin plate conductors material and insulating material successively superpose (between conductor material and the insulating material adhesive linkage being arranged), by hot pressing adhesive linkage is melted conductor is become one with insulating material is bonding, wherein thin plate conductors plate face has mounting points to make things convenient for as required to install with other devices and is connected.
Along with the fast development of power electronic technology, composite bus bar by more and more widely be applied to various occasions.Composite bus bar mainly is made up of conductor material, insulating material, adhesives, and existing composite bus bar adopts red copper as conductor material.Because copper density is big, price is high, cause the entire product quality heavy, the cost height, the project relatively more responsive for cost reaches the occasion that product weight is had qualification, this kind composite bus bar all can not satisfy instructions for use, has limited composite bus bar promoting the use of in a lot of fields.
Summary of the invention
The invention provides a kind of composite bus bar and assemble method thereof, this composite bus bar and assemble method thereof replace with aluminum alloy materials with the conductor material in the composite bus bar by red copper, have significantly alleviated composite bus bar weight, have reduced cost.By structure is improved design, solved the electric conductivity difference problem of aluminium sheet and copper coin simultaneously.
The invention provides a kind of embodiment of composite bus bar, a kind of composite bus bar, comprise: conductor row, insulating barrier, adhesive linkage, conductor row and insulating barrier are compound by the tack coat bonding, composite bus bar is according to insulating barrier one, tack coat one, conductor row one, tack coat two, insulating barrier two, tack coat three, conductor row two, tack coat four, the order of insulating barrier three is successively superimposed, conductor row one and conductor row two adopt aluminum alloy materials, and composite bus bar also comprises insulation filler and insulation chock, and insulation filler and insulation chock are positioned at conductor row one and conductor is arranged two pre-processed holes.
As the further execution mode of a kind of composite bus bar of the present invention, the mounting points on the conductor of aluminium alloy row one and the conductor row two further adopts riveted joint or Welding Structure.
As the further execution mode of a kind of composite bus bar of the present invention, insulation filler is placed in the hole of composite bus bar periphery.
As the further execution mode of a kind of composite bus bar of the present invention, conductor row one comprises aluminium alloy plate, the copper plug, and copper band, copper plug and copper band are riveted on the aluminium alloy plate.
The present invention also provides a kind of embodiment of composite bus bar assemble method, may further comprise the steps:
A, copper plug, copper band be riveted on be assembled into conductor row one on the aluminium alloy plate;
B, according to the order of insulating barrier one, tack coat one, conductor row one, tack coat two, insulating barrier two, tack coat three, conductor row two, insulation filler, insulation chock, tack coat four, insulating barrier three successively on mould with composite bus bar successively closed assembly get up;
C, will carry out hot pressing through the composite bus bar behind the closed assembly;
After d, hot pressing are finished, will carry out insulation processing, treat promptly to finish after insulating cement solidifies the processing of composite bus bar through the liquid insulating cement of composite bus bar periphery embedding after the hot pressing.
By using described a kind of composite bus bar of embodiment of the present invention and assemble method, owing to adopted aluminium alloy as conductor material, density is little, cost is low, greatly reduce processing cost, alleviated the composite bus bar overall weight, more convenient to install with the transportation, the composite bus bar application is widened.By structure is improved design, promoted the electric conductivity and the heat dispersion of aluminium alloy compound busbar simultaneously.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the Facad structure schematic diagram of the composite bus bar of one embodiment of the present invention;
Fig. 2 is the side cross-sectional view of the composite bus bar of one embodiment of the present invention;
Fig. 3 is that the A-A of composite bus bar of one embodiment of the present invention is to generalized section;
Fig. 4 is the local enlarged diagram of C part among Fig. 3 of composite bus bar of one embodiment of the present invention;
Fig. 5 is that the B-B of composite bus bar of one embodiment of the present invention is to generalized section;
Fig. 6 is the local enlarged diagram of D part among Fig. 3 of composite bus bar of one embodiment of the present invention;
Fig. 7 is the assembling schematic diagram of the composite bus bar of one embodiment of the present invention;
Wherein, 1-insulating barrier one, 2-tack coat one, 3-conductor row one, 4-tack coat two, 5-insulating barrier two, 6-tack coat three, 7-conductor row two, 8-tack coat four, 9-insulating barrier three, 10-insulation filler, the 11-chock that insulate, the 12-mounting points, 13-hole, 3-1-aluminium alloy plate, 3-2-copper plug, 3-3-copper band.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As the embodiment of a kind of composite bus bar of the present invention, as shown in Figure 1, composite bus bar comprises that insulating barrier 1, tack coat 1, conductor arrange 1, tack coat 24, insulating barrier 25, tack coat 36, conductor arrange 27, tack coat 48, insulating barrier 39.Wherein, conductor arrange 1 and conductor arrange 27 and adopt aluminum alloy materials, composite bus bar also further to comprise insulation filler 10 and insulation chock 11.As shown in Figure 7, conductor arrange 1 and conductor arrange 27 and be processed with mounting points 12 and hole 13 in advance, insulation filler 10 and insulation chock 11 be positioned at conductor arrange 1 and conductor arrange 27 pre-processed holes 13.Conductor is arranged 1 and is comprised aluminium alloy plate 3-1, copper plug 3-2, and copper band 3-3, copper plug 3-2 and copper band 3-3 are riveted on the aluminium alloy plate 3-1, and riveted joint back effect is as shown in Figure 6.Composite bus bar according to insulating barrier 1, tack coat 1, conductor arrange 1, tack coat 24, insulating barrier 25, tack coat 36, conductor arrange 27, the order of tack coat 48, insulating barrier 39 is successively superimposed.
The conductor of aluminium alloy arrange 1 and the conductor mounting points 12 of arranging on 27 further adopt riveted joint or Welding Structures.In order further to strengthen the insulating capacity of composite bus bar, adopt insulation filler 10 to be placed in the location hole on four angles of composite bus bar periphery, insulation filler 10 can adopt the mode of insulation chock or embedding insulating cement.11 of chocks of insulation are placed in 16 holes at composite bus bar middle part 4 * 4.
Conductor material in the composite bus bar is replaced with aluminum alloy materials by red copper, because the density of aluminum alloy materials is less than 1/3 of copper coin, and the aluminum alloy materials cost of equal in quality is also much lower than red copper; Be exactly the electric conductivity difference problem that solves aluminium sheet and copper coin on the other hand, contrast copper composite bus bar and aluminum laminated busbar simultaneously, the leading indicator that influences conductivity is a resistance in circuit.By formula R=PL/S(R-resistance wherein, P-resistivity, the L-loop length, the S-cross-sectional area) as can be seen, the factor of decision loop resistance has three aspects, be respectively resistivity (red copper resistivity 0.018 Ω .mm2/m, aluminium resistivity 0.027 Ω .mm2/m, brass resistivity 0.07 Ω .mm2/m), loop length, the conduction cross-sectional area, resistivity is that preset parameter can't change, loop length just can make the aluminum laminated busbar electric conductivity reach the red copper composite bus bar because two kinds of composite bus bar structures are identical also fixes so only need suitably to increase the alloy plate material cross-sectional area, and under the same case brass composite bus bar electric conductivity far away from aluminum laminated busbar; The aluminum laminated busbar that has increased cross-sectional area more helps heat radiation under identical cooling condition.
A kind of composite bus bar assemble method may further comprise the steps:
A, copper plug 3-2, copper band 3-3 be riveted on be assembled into conductor on the aluminium alloy plate 3-1 and arrange 1;
B, according to insulating barrier 1, tack coat 1, conductor arrange 1, tack coat 24, insulating barrier 25, tack coat 36, conductor arrange 27, the order of insulation filler 10, insulation chock 11, tack coat 48, insulating barrier 39 successively on mould with composite bus bar closed assembly successively;
Composite bus bar behind c, the process closed assembly carries out hot pressing;
D, be hot pressed into after, will carry out insulation processing through the liquid insulating cement of composite bus bar periphery embedding after the hot pressing, treat promptly to finish after insulating cement solidifies the processing of composite bus bar.
The composite bus bar of embodiment of the present invention is owing to adopted aluminium alloy as conductor material, density is little, cost is low, greatly reduces processing cost, has alleviated the composite bus bar overall weight simultaneously, more convenient to install with the transportation, the composite bus bar application is widened.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. composite bus bar, it is characterized in that, comprise: conductor row, insulating barrier, adhesive linkage, conductor row and insulating barrier are compound by the tack coat bonding, described composite bus bar is according to insulating barrier one (1), tack coat one (2), conductor row one (3), tack coat two (4), insulating barrier two (5), tack coat three (6), conductor row two (7), tack coat four (8), the order of insulating barrier three (9) is successively superimposed, conductor row one (3) and conductor row two (7) adopt aluminum alloy materials, composite bus bar also comprises insulation filler (10) and insulation chock (11), and insulation filler (10) and insulation chock (11) are positioned at conductor row one (3) and conductor is arranged two (7) pre-processed holes.
2. a kind of composite bus bar according to claim 1 is characterized in that: the conductor row one (3) of described aluminium alloy and the mounting points (12) on the conductor row two (7) adopt riveted joint or Welding Structure.
3. a kind of composite bus bar according to claim 1 and 2 is characterized in that: described insulation filler (10) is placed in the hole of composite bus bar periphery.
4. a kind of composite bus bar according to claim 3 is characterized in that: described conductor row one (3) comprises aluminium alloy plate (3-1), copper plug (3-2), and copper band (3-3), copper plug (3-2) and copper band (3-3) are riveted on the aluminium alloy plate (3-1).
5. the method that the described composite bus bar of claim 1 is assembled is characterized in that, may further comprise the steps:
A, copper plug (3-2), copper band (3-3) are riveted on and are assembled into conductor row one (3) on the aluminium alloy plate (3-1);
B, according to the order of insulating barrier one (1), tack coat one (2), conductor row one (3), tack coat two (4), insulating barrier two (5), tack coat three (6), conductor row two (7), insulation filler (10), insulation chock (11), tack coat four (8), insulating barrier three (9) successively on mould with composite bus bar successively closed assembly get up;
C, will carry out hot pressing through the composite bus bar behind the closed assembly;
After d, hot pressing are finished, will carry out insulation processing, treat promptly to finish after insulating cement solidifies the processing of composite bus bar through the liquid insulating cement of composite bus bar periphery embedding after the hot pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008050 CN102122537A (en) | 2011-01-15 | 2011-01-15 | Composite bus bar and assembly method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008050 CN102122537A (en) | 2011-01-15 | 2011-01-15 | Composite bus bar and assembly method thereof |
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| CN102122537A true CN102122537A (en) | 2011-07-13 |
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| CN 201110008050 Pending CN102122537A (en) | 2011-01-15 | 2011-01-15 | Composite bus bar and assembly method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354573A (en) * | 2011-07-20 | 2012-02-15 | 成方泳 | Self-piecing riveting bus bar production machine, self-piecing riveting bus bar production method and monitoring system |
| CN104578708A (en) * | 2013-10-25 | 2015-04-29 | 国家电网公司 | Combined busbar applied to parallel connection of IGBTs |
| CN109427437A (en) * | 2017-08-31 | 2019-03-05 | 株洲中车时代电气股份有限公司 | A kind of Copper-Aluminum compound low-inductance bus and its manufacturing method |
| CN109672324A (en) * | 2019-01-22 | 2019-04-23 | 大禹电气科技股份有限公司 | A kind of composite laminate busbar and its processing method |
| CN110391624A (en) * | 2018-04-17 | 2019-10-29 | 株洲中车时代电气股份有限公司 | The low sense composite bus bar of copper-base graphite alkene and its manufacturing method |
| CN110838656A (en) * | 2019-11-29 | 2020-02-25 | 广东美的暖通设备有限公司 | Busbar, frequency converter and centrifugal machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4261807A (en) * | 1980-02-01 | 1981-04-14 | Swiss Aluminium Ltd. | Asymmetrical arrangement of busbars for electrolytic cells |
| 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 |
| CN2935571Y (en) * | 2006-08-18 | 2007-08-15 | 无锡市华辉电力设备有限公司 | Copper-aluminum composite solid bus-slot |
| CN101388264A (en) * | 2008-09-28 | 2009-03-18 | 株洲南车时代电气股份有限公司 | Composite bus bar manufacturing method |
| CN201259806Y (en) * | 2008-09-28 | 2009-06-17 | 株洲南车时代电气股份有限公司 | Improved composite bus bar |
-
2011
- 2011-01-15 CN CN 201110008050 patent/CN102122537A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4261807A (en) * | 1980-02-01 | 1981-04-14 | Swiss Aluminium Ltd. | Asymmetrical arrangement of busbars for electrolytic cells |
| 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 |
| CN2935571Y (en) * | 2006-08-18 | 2007-08-15 | 无锡市华辉电力设备有限公司 | Copper-aluminum composite solid bus-slot |
| CN101388264A (en) * | 2008-09-28 | 2009-03-18 | 株洲南车时代电气股份有限公司 | Composite bus bar manufacturing method |
| CN201259806Y (en) * | 2008-09-28 | 2009-06-17 | 株洲南车时代电气股份有限公司 | Improved composite bus bar |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354573A (en) * | 2011-07-20 | 2012-02-15 | 成方泳 | Self-piecing riveting bus bar production machine, self-piecing riveting bus bar production method and monitoring system |
| CN102354573B (en) * | 2011-07-20 | 2013-03-27 | 成方泳 | Self-piecing riveting bus bar production machine, self-piecing riveting bus bar production method and monitoring system |
| CN104578708A (en) * | 2013-10-25 | 2015-04-29 | 国家电网公司 | Combined busbar applied to parallel connection of IGBTs |
| CN104578708B (en) * | 2013-10-25 | 2018-03-16 | 国家电网公司 | A kind of composite bus bar in parallel suitable for IGBT |
| CN109427437A (en) * | 2017-08-31 | 2019-03-05 | 株洲中车时代电气股份有限公司 | A kind of Copper-Aluminum compound low-inductance bus and its manufacturing method |
| CN110391624A (en) * | 2018-04-17 | 2019-10-29 | 株洲中车时代电气股份有限公司 | The low sense composite bus bar of copper-base graphite alkene and its manufacturing method |
| CN109672324A (en) * | 2019-01-22 | 2019-04-23 | 大禹电气科技股份有限公司 | A kind of composite laminate busbar and its processing method |
| CN110838656A (en) * | 2019-11-29 | 2020-02-25 | 广东美的暖通设备有限公司 | Busbar, frequency converter and centrifugal machine |
| CN110838656B (en) * | 2019-11-29 | 2022-02-11 | 上海美控智慧建筑有限公司 | Busbar, frequency converter and centrifugal machine |
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Application publication date: 20110713 |