CN101420171A - Method for stacked bus-bar of large power switch power supply - Google Patents
Method for stacked bus-bar of large power switch power supply Download PDFInfo
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- CN101420171A CN101420171A CN 200810232029 CN200810232029A CN101420171A CN 101420171 A CN101420171 A CN 101420171A CN 200810232029 CN200810232029 CN 200810232029 CN 200810232029 A CN200810232029 A CN 200810232029A CN 101420171 A CN101420171 A CN 101420171A
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Abstract
The invention relates to a method used for B-typed laminated busbar of a large-power switch power, which is characterized in that in the design of large-power switch power, a conductive wire is not used for connection; a copper plate is used for connection so as to replace the conductive wire; the copper plates are arranged in a superposing way, thus completing the electric connection a plurality of devices such as filter capacitors, power switch tubes or rectifiers. The method reduces the volume of a switch cabinet and the internal wires, and achieves the object of inhibiting the electromagnetic interference.
Description
Technical field
The present invention relates to the folded mutually method that connects of device employing in a kind of high power switching power supply design.
Background technology
Lanzhou heavy ion avcceleration cooling storage ring, two triangular wave power supplys controlling cancer scanning magnet power supply usefulness to deep layer also adopt the main circuit form of high power switching power supply (about 100KVA).Under the equal-wattage capacity, Switching Power Supply is higher than linear power supply efficient, and volume is littler, and electromagnetic interference is also more serious.The generation of control high-frequency noise and radiation are the most complicated in the design of Switching Power Supply production system black box art.
According to specificity analysis, in the high power switching power supply design, connect without lead as far as possible, and adopt copper coin to connect lead.Replacing lead with copper coin, is not to join side by side between the copper coin, and adopts folded mutually the connection.
Summary of the invention
At the specificity analysis of above-mentioned lead,, the object of the present invention is to provide a kind of high power switching power supply Type B method for stacked bus-bar for the generation of control switching high-frequency noise.Promptly in the high power switching power supply design, connect, and adopt copper coin to connect without lead.Replacing lead with copper coin, all is folded mutually and install between copper coin and the copper coin, so be called stack bus bar.This stack bus bar method for designing is to utilize mechanical structure inhibition technology to suppress electromagnetic interference by rational physical layout.
The objective of the invention is to realize by following technical measures:
A kind of high power switching power supply Type B method for stacked bus-bar is characterized in that:
A. electric power main circuit is selected two groups of rectifier bridge series connection forms for use, and every group of rectifier bridge is that DF200AA120/1603 rectifier bridge module composes in parallel by model, and IGBT output is made up of for the FF450R12ME3 module 2 models;
B. Switching Power Supply is that 6 rectifier bridge modules and 2 IGBT modules are installed concentratedly on same cooled plate, wherein, the 1st group of three modules are one group and are connected in parallel, the 2nd group of three modules are connected in parallel for another group, last 1,2 two pack modules are connected in series again, and every group of rectifier bridge module is connected in parallel with copper coin;
C.6 the interchange input of a rectifier bridge module, output cathode and series connection short board also connect with copper coin, 6 rectifier bridge modules are divided into two groups, the 1st group of three modules are one group and are connected in parallel, the 2nd group of three modules are connected in parallel for another group, 1,2 two pack modules are connected in series again, every group of rectifier bridge module is connected in parallel with copper coin, folds installation mutually between A, B, 3 copper coins of C three-phase alternating current input and output cathode copper coin, 1,2 two group of rectification series connection short circuit copper coin, and be middle continuous with the pad post;
D. filter capacitor is made up of two groups of C1, C2 capacitances in series, C2 is organized electric capacity in elder generation and the electric capacity negative plate installs, C1 being organized electric capacity and capacitance cathode plate installs again, with screw electric capacity is separately fixed on the positive and negative electrode copper coin, again with capacitor board " " install with the C2 group electric capacity negative plate after installing, line is three copper coins, and is folded mutually up and down, middle continuous by the pad post;
E. the integral capacitor plate after two groups of electric capacity of C1, C2 being installed carries out suit with the rectifier bridge group and the IGBT module cooled plate that are connected in series after finishing, the negative pole of capacitor board overlays on the series connection short board by the pad post and links to each other by the pad post with the output negative pole of the 2nd group of rectifier bridge and the E1 pin of 2 IGBT, and the positive pole of capacitor board links to each other by the pad post with the C2 pin of 2 IGBT;
F, the 1st group of rectifier bridge A import copper coin mutually and overlay on the series connection short board by the pad post and link to each other with the A of the 1st group of 3 rectifier bridges, and the A of the 2nd group of rectifier bridge imports mutually on copper coin overlays capacitor board by the pad post the negative pole with the A of 3 rectifier bridges of the 2nd group and links to each other mutually;
G. the B of the 1st group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge A imports mutually by the pad post and link to each other with the B of the 1st group of 3 rectifier bridges, and the B of the 2nd group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge A imports mutually by the pad post and link to each other mutually with the B of the 2nd group of 3 rectifier bridges;
H. the C of the 1st group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge B imports mutually by the pad post and link to each other with the C of the 1st group of 3 rectifier bridges, and the C of the 2nd group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge B imports mutually by the pad post and link to each other mutually with the C of the 2nd group of 3 rectifier bridges;
J. the output cathode copper coin overlays on the 1st group of copper coin that rectifier bridge C imports mutually by the pad post and links to each other the installation of high power switching power supply Type B stack bus bar with the output cathode of the 1st group of 3 rectifier bridges.
Above-mentioned pad post height is 7~35mm.
Above-mentioned copper coin is 3mm.
Advantage of the present invention is:
1, for reducing the electromagnetic radiation of each current loop, electric power main circuit of the present invention is by 6 rectifier bridge modules, model is: DF200AA120/160 rectification in parallel and IGBT are output as 2 model FF450R12ME3 modules and form, install concentratedly on same cooled plate, simplified complicated line, dispelled the heat by the water route of cooled plate.Filter capacitor in the main circuit, power switch pipe or rectifier, inductance or transformer are placed close, and the direction of definite good these devices, shorten wire length, make the current path between them short as far as possible, both reduced the volume of switch cubicle, reduce interconnector again, reached the purpose that suppresses electromagnetic interference.Satisfy Lanzhou heavy ion avcceleration cooling storage ring experimental terminal and controlled the demand that has obtained on two triangular wave power supplys of cancer scanning magnet power supply usefulness to deep layer.
2, stack bus bar design of the present invention is to utilize mechanical structure inhibition technology to suppress electromagnetic interference by rational physical layout.The design of Type B stacked bus-bar of large power switch power supply, main circuit are 12 pulsation rectification outputs, and rectifying and wave-filtering electric capacity adopts two groups of capacitances in series forms.In the high power switching power supply design, connect without lead, and adopt copper coin to connect.Replace lead with copper coin, and adopt the folded mutually up and down connected mode of copper coin, middle continuous by differing heights pad post.Finish being electrically connected of a plurality of devices, reduced cabling, and then reduced electromagnetic interference.
Description of drawings
Fig. 1 is a main circuit diagram of the present invention.
Fig. 2 is loaded on same cooled plate schematic diagram for 6 rectifier bridge modules of the present invention and 2 IGBT modules, is the upward view of Fig. 2 on the figure; The figure right side is the left view of Fig. 2.
Fig. 3 is that A of the present invention, B, C three-phase alternating current are imported 3 copper coins, the lower left corner is the series connection short board.The lower right corner is a rectification output cathode plate schematic diagram.
Fig. 4 is a capacitor board negative plate schematic diagram of the present invention, is the upward view of Fig. 4 on the figure; The figure right side is the left view of Fig. 4.
Fig. 5 be capacitor board of the present invention () schematic diagram, be the upward view of Fig. 5 on the figure; The figure right side is the left view of Fig. 5.
Fig. 6 is a capacitor board positive plate schematic diagram of the present invention, is the upward view of Fig. 6 on the figure; The figure right side is the left view of Fig. 6.
Fig. 7 is the upward view of Fig. 7 on the figure for C2 group electric capacity of the present invention and electric capacity negative plate scheme of installation; The figure right side is the left view of Fig. 7.
Fig. 8 is C1 group electric capacity of the present invention and capacitance cathode plate scheme of installation, and last figure is the upward view of Fig. 8; Right figure is the left view of Fig. 8.
Fig. 9 be capacitor board of the present invention " " with C2 group electric capacity negative plate scheme of installation, be the upward view of Fig. 9 on the figure; The figure right side is the left view of Fig. 9.
Figure 10 is that schematic diagram is finished in the integral installation of C1 of the present invention, two groups of electric capacity of C2, is the upward view of Figure 10 on the figure; The figure right side is the left view of Figure 10.
Figure 11 is the upward view of Figure 11 on the figure for 12 2 groups of rectifier bridge series connection of the present invention schematic diagram; The figure right side is the left view of Figure 11.
Figure 12 is the upward view of Figure 12 on the figure for integral capacitor plate and the rectifier bridge and the IGBT module assembling schematic diagram of the present invention after installing; The figure right side is the left view of Figure 12.
Figure 13 is the upward view of Figure 13 on the figure for A cross streams input copper coin installation diagram of the present invention; The figure right side is the left view of Figure 13.
Figure 14 is the upward view of Figure 14 on the figure for B cross streams input copper coin installation diagram of the present invention; The figure right side is the left view of Figure 14.
Figure 15 is the upward view of Figure 15 on the figure for C cross streams input copper coin installation diagram of the present invention; The figure right side is the left view of Figure 15.
Figure 16 exports formal pole plate installation diagram for rectification of the present invention, is the upward view of Figure 16 on the figure; The figure right side is the left view of Figure 16.
Embodiment
The main circuit of power supply as shown in Figure 1.Because output current is bigger, voltage is higher.Main circuit is selected two groups of rectifier bridge series connection forms for use, and (model is: DF200AA120/160) compose in parallel, be made up of 2 model FF450R12ME3 modules by IGBT output by 3 rectifier bridge modules for every group of rectifier bridge.
Stack bus bar mounting structure and step are as follows:
For reducing the electromagnetic radiation of each current loop, filter capacitor, power switch pipe or rectifier, inductance or transformer, their placement is as close as possible, and the direction of these devices also will be determined, to shorten wire length, make the current path between them short as far as possible.This power supply is that 6 rectifier bridge modules and 2 IGBT modules are installed concentratedly on same cooled plate, can simplify complicated line like this, dispels the heat by the water route of cooled plate.Rectifier bridge module and IGBT module and cooled plate are installed as shown in Figure 2.
The interchange input of 6 rectifier bridge modules, output cathode and series connection short board also connect with copper coin.Owing to be 12 pulsation rectifier bridge outputs, be one group by the 1st group of three modules and be connected in parallel that be connected in parallel for another group by the 2nd group of three modules, last 1,2 two pack modules are connected in series again again.Every group of rectifier bridge module is connected in parallel with copper coin, folds installation mutually between 3 copper coins of three-phase alternating current input and output cathode copper coin, 1,2 two group of rectification series connection short board, and the centre links to each other with 7mm pad post.Copper coin processing as shown in Figure 3.
Make power switch pipe alternating current loop and input source current loop minimum, the filter capacitor lead-in wire is accomplished the shortest as far as possible.Because filter capacitor is to be composed in series by two groups of electric capacity (C1, C2), and two groups of electric capacity of C1, C2 are again to be composed in parallel by a plurality of electric capacity.This considers its physical layout problem with regard to needs, will be evenly dispersed on rectifier and the power switch pipe before and after two groups of electric capacity of C1, C2, and be increased radioactivity, and line is three copper coins, and is folded mutually up and down, middle continuous by 7mm pad post.So not only reduce above-mentioned two loop areas but also reduced series resistance and the series inductance on the electric capacity.
Capacitor board negative pole manuscript as shown in Figure 4.
Capacitor board " " manuscript as shown in Figure 5.
The anodal manuscript of capacitor board as shown in Figure 6.
C2 is organized electric capacity in elder generation and the electric capacity negative plate installs, as shown in Figure 7.
C1 is organized electric capacity and capacitance cathode plate again and install, installation figure as shown in Figure 8.
Again with capacitor board " " install with the C2 group electric capacity negative plate after installing, installation figure is as shown in Figure 9.
Last C1 group capacitance cathode plate after will installing again installs, and so just finished the integral installation of C1, two groups of electric capacity of C2, and installation figure as shown in figure 10.
According to the stack bus bar technological requirement, earlier 1,2 two group of rectifier bridge is together in series with short board, the rectifier bridge module links to each other by 14mm pad post with short board, as shown in figure 11.
Integral capacitor plate after again two groups of electric capacity of C1, C2 being installed carries out suit with the rectifier bridge group and the IGBT module that are connected in series after finishing, and the negative pole of capacitor board overlays on the series connection short board by the pad post and links to each other by the pad post with the output negative pole of the 2nd group of rectifier bridge and the E1 pin of 2 IGBT.The positive pole of capacitor board links to each other by the pad post with the C2 pin of 2 IGBT.As shown in figure 12.Finished being electrically connected of a plurality of devices with the simplest and the most direct mode like this, reduced cabling, and then reduced electromagnetic interference.
Figure 13 is respectively the 1st group of rectifier bridge A and imports copper coin mutually and overlay on the series connection short board by 28mm pad post and link to each other mutually with the A of the 1st group of 3 rectifier bridges.The A of the 2nd group of rectifier bridge imports copper coin mutually and overlays on the negative pole of capacitor board with the A of 3 rectifier bridges of the 2nd group by the pad post and link to each other mutually.
The B that Figure 14 is respectively the 1st group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge A imports mutually by 35mm pad post and link to each other mutually with the B of the 1st group of 3 rectifier bridges.The B of the 2nd group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge A imports mutually by the pad post and link to each other mutually with the B of the 2nd group of 3 rectifier bridges.
The C that Figure 15 is respectively the 1st group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge B imports mutually by 35mm pad post and link to each other mutually with the C of the 1st group of 3 rectifier bridges.The C of the 2nd group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge B imports mutually by the pad post and link to each other mutually with the C of the 2nd group of 3 rectifier bridges.
Figure 16 links to each other with the output cathode of the 1st group of 3 rectifier bridges on the 1st group of copper coin that rectifier bridge C imports mutually for the output cathode copper coin overlays by 35mm pad post, is last installation high power switching power supply Type B stack bus bar.
Then, the output cathode of rectifier bridge links to each other with filter reactor by copper bar with the positive pole of capacitor board.
Claims (3)
1, a kind of high power switching power supply Type B method for stacked bus-bar is characterized in that:
A. electric power main circuit is selected two groups of rectifier bridge series connection forms for use, and every group of rectifier bridge is that 3 rectifier bridge modules of DF200AA120/160 compose in parallel by model, and IGBT output is made up of for the FF450R12ME3 module 2 models;
B. Switching Power Supply is that 6 rectifier bridge modules and 2 IGBT modules are installed concentratedly on same cooled plate, and wherein, the 1st group of three modules are one group and are connected in parallel; The 2nd group of three modules are connected in parallel for another group, and last 1,2 two pack modules are connected in series again, and every group of rectifier bridge module is connected in parallel with copper coin;
C.6 the interchange input of a rectifier bridge module, output cathode and series connection short board also connect with copper coin, 6 rectifier bridge modules are divided into two groups, the 1st group of three modules are one group and are connected in parallel, the 2nd group of three modules are connected in parallel for another group, 1,2 two pack modules are connected in series again, every group of rectifier bridge module is connected in parallel with copper coin, folds installation mutually between A, B, 3 copper coins of C three-phase alternating current input and output cathode copper coin, 1,2 two group of rectification series connection short circuit copper coin, and be middle continuous with the pad post;
D. filter capacitor is made up of two groups of C1, C2 capacitances in series, C2 is organized electric capacity in elder generation and the electric capacity negative plate installs, C1 being organized electric capacity and capacitance cathode plate installs again, with screw electric capacity is separately fixed on the positive and negative electrode copper coin, again with capacitor board " " install with the C2 group electric capacity negative plate after installing, line is three copper coins, and is folded mutually up and down, middle continuous by the pad post;
E. the integral capacitor plate after again two groups of electric capacity of C1, C2 being installed carries out suit with the rectifier bridge group and the IGBT module cooled plate that are connected in series after finishing, the negative pole of capacitor board overlays on the series connection short board by the pad post, link to each other by the pad post with the output negative pole of the 2nd group of rectifier bridge and the E1 pin of 2 IGBT, the positive pole of capacitor board links to each other by the pad post with the C2 pin of 2 IGBT;
F, the 1st group of rectifier bridge A import copper coin mutually and overlay on the series connection short board by the pad post and link to each other with the A of the 1st group of 3 rectifier bridges, and the A of the 2nd group of rectifier bridge imports mutually on copper coin overlays capacitor board by the pad post the negative pole with the A of 3 rectifier bridges of the 2nd group and links to each other mutually;
G. the B of the 1st group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge A imports mutually by the pad post and link to each other with the B of the 1st group of 3 rectifier bridges, and the B of the 2nd group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge A imports mutually by the pad post and link to each other mutually with the B of the 2nd group of 3 rectifier bridges;
H. the C of the 1st group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge B imports mutually by the pad post and link to each other with the C of the 1st group of 3 rectifier bridges, and the C of the 2nd group of rectifier bridge imports copper coin mutually and overlays on the copper coin that rectifier bridge B imports mutually by the pad post and link to each other mutually with the C of the 2nd group of 3 rectifier bridges;
J. the output cathode copper coin overlays on the 1st group of copper coin that rectifier bridge C imports mutually by the pad post and links to each other the installation of high power switching power supply Type B stack bus bar with the output cathode of the 1st group of 3 rectifier bridges.
2, a kind of high power switching power supply Type B method for stacked bus-bar according to claim 1 is characterized in that above-mentioned pad post height is 7~35mm.
3, the method for a kind of stacked bus-bar of large power switch power supply according to claim 1 is characterized in that: above-mentioned copper coin is 3mm.
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CN102290242A (en) * | 2011-08-10 | 2011-12-21 | 联合汽车电子有限公司 | Heat dispersion structure and method of thin film capacitor |
CN104218817A (en) * | 2013-05-31 | 2014-12-17 | 台达电子企业管理(上海)有限公司 | Variable-frequency power circuit and direct-current energy storing device |
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CN103986309A (en) * | 2014-05-23 | 2014-08-13 | 台达电子企业管理(上海)有限公司 | Direct-current capacitor module and laminated busbar structure thereof |
US9620292B2 (en) | 2014-05-23 | 2017-04-11 | Delta Electronics (Shanghai) Co., Ltd. | Direct-current capacitor module and laminated busbar structure thereof |
CN106935400A (en) * | 2015-12-29 | 2017-07-07 | 比亚迪股份有限公司 | Capacitor assembly and vehicle |
CN106935400B (en) * | 2015-12-29 | 2018-11-09 | 比亚迪股份有限公司 | Capacitor assembly and vehicle |
CN106683965A (en) * | 2017-03-01 | 2017-05-17 | 中国科学院近代物理研究所 | Electrostatic deflection plate for charged particle injection and extraction in cooling storage ring |
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