CN204030990U - Lamination spraying row mixes the new power converter unit using with composite bus bar - Google Patents
Lamination spraying row mixes the new power converter unit using with composite bus bar Download PDFInfo
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- CN204030990U CN204030990U CN201420507350.2U CN201420507350U CN204030990U CN 204030990 U CN204030990 U CN 204030990U CN 201420507350 U CN201420507350 U CN 201420507350U CN 204030990 U CN204030990 U CN 204030990U
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Abstract
The utility model is a kind of lamination spraying row mixes use new power converter unit with composite bus bar, solved traditional cable connected mode externally export profile in disorder, be difficult for dilatation, when electric current increase cannot layout and the problem such as connection.The utility model comprises air-cooled radiator, framework, composite bus bar, mounting panel, three IGBT, eight Support Capacitors, three Absorption Capacitances, three drive circuit boards and two discharge resistances, the utility model be take air-cooled radiator as basis, has adopted the stacked modularized design of multiple busbar.The utility model adopts modularized design, saves space, is convenient to safeguard change, and reduces maintenance cost; The utility model adopts polytype composite bus bar to be used in combination technology, improve the reliability of main circuit, the difficulty of avoiding cable to detour in narrow space completely, and compact conformation, be convenient to more powerful expansion, also can reduce the operation loss and the maintenance cost that because of fault, cause.
Description
Technical field
The utility model relates to locomotive AC technical field, and specifically a kind of lamination spraying row mixes the new power converter unit using with composite bus bar.
Background technology
Development along with locomotive AC technology, adopt the current transformer application that high-power IGBT is switch element increasingly extensive, in order to facilitate the maintenance of main circuit, a kind of a plurality of IGBT devices of main circuit are installed integrated, form power model unit, major function comprises the connection of main circuit, the switch drive of device is controlled and heat radiation.
Electric locomotive auxiliary inversion power cell is the core component of locomotive auxiliary power supply system device, and it is from the intermediate dc loop power taking of locomotive, and the three-phase circuit forming through IGBT on power model carries out after inversion, is the auxiliary power consumption equipment power supply of train.Heat radiation aspect has adopted the aluminium radiator of forced air cooling.
Existing locomotive auxiliary inversion power circuit is structurally not independent, adopts common copper bar to be connected with cable between main circuit.The shortcoming of design has like this: 1) structure of power circuit does not adopt independently power cell form, when power circuit breaks down, is unfavorable for safeguarding and changing; 2) circuit parasitic inductance is large, and power device easily damages, and circuit reliability is poor, efficiency is low; 3) adopt common copper bar to connect, whole main circuit structure is too fat to move, takes up space large, and electric clearance required distance is large.
Cable or copper bar are generally used in the external electrical connection of existing auxiliary inversion power circuit.The shortcoming of design is like this: power circuit is externally electrically connected to while using cable or copper bar, not only at cabling layout, connecting terminals, connect and occupy a large amount of spaces, and in the situation that cable area becomes large, main circuit current and becomes large, cable cannot bending in narrow space, power model safeguards that while changing, workload is large, length consuming time, may affect locomotive and normally run.
Summary of the invention
The utility model is that a kind of lamination spraying row mixes the new power converter unit using with composite bus bar.Address the problem: 1) solve circuit stray inductance large, power device easily damages, the problem that circuit reliability is poor; 2) connection of solution main circuit cable is many, and layout is complicated, cost is high, the insecure problem of quality; 3) reduce system bulk, weight, and facilitate the maintenance maintenance of main circuit.
The utility model is achieved by the following technical solution:
Lamination spraying row mixes a new power converter unit for use with composite bus bar, comprise air-cooled radiator, framework, composite bus bar, mounting panel, three IGBT, eight Support Capacitors,, three Absorption Capacitances, three drive circuit boards and two discharge resistances; Frame installation is in air-cooled radiator top, and composite bus bar is arranged between the frame wall of the interior left and right of framework; Three IGBT are installed on the surface of air-cooled radiator substrate, and are connected with composite bus bar respectively; Eight Support Capacitors are installed on the position between after-frame wall and composite bus bar in framework by insulation support plate, eight Support Capacitors are divided into two rows, four Support Capacitors of every row, the conducting terminal of Support Capacitor is closely connected by the stud bolt being arranged on Support Capacitor with the corresponding conducting terminal of composite bus bar; Three Absorption Capacitances are connected with composite bus bar respectively; Three drive circuit boards are arranged on the front frame wall in framework by insulator; Two discharge resistances are connected with composite bus bar respectively; Mounting panel is fixed on the left frame wall of framework or the bottom in right frame wall outside, five copper contact pin connectors are installed on mounting panel, wherein, the first two copper contact pin connector sprays busbar by DC-respectively and is connected with composite bus bar with DC+ spraying busbar, and rear three copper contact pin connectors spray composite bus bar by lamination and are connected with three IGBT respectively; Two discharge resistances are connected with composite bus bar respectively.
Further, composite bus bar comprises three busbars that are shaped as flat and are stacked together, and three busbars are DC+ busbar, DC-busbar and the M busbar that is positioned at intermediate layer, between adjacent busbar, are provided with polyester film; On the right side side of DC+ busbar, DC-busbar and M busbar, be respectively provided with a discharge resistance connecting portion, three discharge resistance connecting portions are staggeredly arranged up and down, one end of one of them discharge resistance is connected with the discharge resistance connecting portion on DC+ busbar, the other end is connected with the discharge resistance connecting portion on M busbar, and wherein one end of another discharge resistance is connected with the discharge resistance connecting portion on DC-busbar, the other end is connected with the discharge resistance connecting portion on M busbar; On the left side side of DC+ busbar and DC-busbar, be respectively provided with an input connecting portion, two input connecting portions are staggeredly arranged up and down, wherein the input connecting portion on DC-busbar is connected with first copper contact pin connector on mounting panel, and the input connecting portion on DC+ busbar is connected with second copper contact pin connector on mounting panel; On the base of DC+ busbar and DC-busbar, be respectively provided with three IGBT connecting portions, and three IGBT connecting portions on DC+ busbar and three IGBT connecting portion arranged crosswise on DC-busbar, form three groups of IGBT connecting portions, three IGBT are connected with three groups of IGBT connecting portions respectively; Three busbars are done as a whole, on its whole horizontal central line, offer three windows that run through busbar integral body, the both sides of each window are respectively equipped with an Absorption Capacitance connecting portion, one of two Absorption Capacitance connecting portion on each window are connected with DC+ busbar, one be connected with DC-busbar, three Absorption Capacitances are arranged on respectively on three windows, and are connected with two Absorption Capacitance connecting portions on this window; Three busbars are done as a whole, position above its whole horizontal central line is provided with four groups of Support Capacitor terminal group, every group of Support Capacitor terminal group comprises two Support Capacitor terminals, first and third, six, eight Support Capacitor terminal is connected with M busbar from left to right, the second, four Support Capacitor terminals are connected with DC+ busbar, and the 5th, seven Support Capacitor terminals are connected with DC-busbar; Three busbars are done as a whole, position below its whole horizontal central line is provided with four groups of Support Capacitor terminal group, every group of Support Capacitor terminal group comprises two Support Capacitor terminals, second, four, five, seven Support Capacitor terminal is connected with M busbar from left to right, six, eight Support Capacitor terminals are connected with DC+ busbar, and first and third Support Capacitor terminal is connected with DC-busbar; Four Support Capacitors of upper row are connected with four groups of Support Capacitor terminal group of upper row respectively, and four Support Capacitors of lower row are connected respectively (conducting terminal that is Support Capacitor is closely connected with Support Capacitor terminal) with four groups of Support Capacitor terminal group of lower row.
Lamination spraying composite bus bar comprises tri-layers of copper bar of T, S, R that from bottom to top stacked setting, surperficial electrolytic tinning and length are successively decreased, and between adjacent copper bar, is stained with polyester film; T, S, tri-layers of copper bar of R are all by one end consistency from top to bottom, and the alignment end end of T, S, tri-layers of copper bar of R is respectively provided with an output connecting hole, and three output connecting holes are staggeredly arranged and are connected with rear three the copper contact pin connectors on mounting panel respectively; The side of the non-alignment end of T, S, tri-layers of copper bar of R outwards extends the connecting portion with IGBT connecting hole, and T, S, tri-layers of copper bar of R are connected with three IGBT respectively by the IGBT connecting hole on it.
In framework, between the frame wall of left and right, be fixed with upper and lower two insulating supporting bars, two insulating supporting bars are between front baffle and composite bus bar and be close to composite bus bar setting, the insulating supporting bar setting of aliging with four groups of Support Capacitor terminal group of arranging on composite bus bar of top, the setting of aliging with four groups of Support Capacitor terminal group of arranging under composite bus bar of the insulating supporting bar of below; Be arranged on two stud bolts of Support Capacitor front end successively through using fastening nuts after Support Capacitor terminal group corresponding on composite bus bar and insulating supporting bar, realize the fixing of Support Capacitor front end; Insulation support plate is fixed on the position between Support Capacitor end and after-frame wall between the frame wall of the interior left and right of framework, fixing with framework realized by being fixed on U-shaped installing rack on the frame wall of left and right respectively in the two ends of insulation support plate, the end of Support Capacitor is provided with stud bolt, on stud bolt, by fastening nuts, there is L-type installing rack, L-type installing rack is fixed on insulation support plate, realizes the fixing of Support Capacitor (6) rear end.
The functions such as direct voltage support, overvoltage absorption, IGBT drive and protection, power device heat radiation have been realized in the power conversion unit of the utility model design, and final realization the DC inverter of input is that three-phase alternating current is exported.Circuit structure and schematic diagram as shown in Figure 5, as can be known from Fig. 5:
One, main circuit part:
V1-V3 is IGBT, and formation standard three-phase inversion main circuit after three two-tube IGBT are connected with RST three-phase output lamination spraying composite bus bar by outside composite bus bar, controls the switch of IGBT by control unit, realizes direct current to the power conversion of three-phase alternating current.
C1-C3 is main circuit overvoltage Absorption Capacitance, while being used for absorbing IGBT shutoff, and the overvoltage producing in DC loop.
C4-C11 is the DC terminal Support Capacitor of main circuit, is used for supporting DC loop voltage, guarantees that the fluctuation of DC loop voltage is in the scope requiring.
R1, R2 are the discharge resistance of DC loop.Guarantee that after main circuit power-off, the residual voltage on DC loop electric capacity is reduced to below safe voltage within the time requiring.
DC+, DC-are the direct current input of power cell.
The three-phase alternating current output that R, S, T are power cell.
Two, control section:
DBR, DBS, DBT are the drive circuits of IGBT, and every drive circuit board provides two-way to drive signal, drives two IGBT cell operation of an inverter bridge leg, IGBT switch state signal is fed back to control unit simultaneously.
T1 is temperature detect switch, and when the temperature of power conversion unit radiator is during higher than set point, on off state converts, and sends this switching signal to control unit.
The utility model has adopted the stacked modularized design of multiple busbar, bottom is air-cooled radiator, power device is arranged on the surface of air-cooled radiator, and power device surface links together all parts of three-phase inversion main circuit and externally input and output by composite bus bar, lamination spraying composite bus bar, DC+/DC-spraying busbar.Composite bus bar adopts three layers of copper bar stack of standard, comprises DC+ layer, DC-layer and middle M layer, has completed electric capacity connection in series-parallel function; DC+, DC-directly adopt spraying busbar structure, and R, S, T have adopted lamination spraying composite bus bar.Externally input and output are unified neat, both reduced the stray inductance of main circuit, and the overvoltage while reducing IGBT shutoff, takes full advantage of again narrow space, makes outward appearance neat appearance.
The beneficial effects of the utility model are:
1) adopt modularized design, save space, be convenient to safeguard and change, reduce maintenance cost;
2) adopt polytype composite bus bar to be used in combination technology, improve the reliability of main circuit, the difficulty of avoiding cable to detour in narrow space completely, and compact conformation, be convenient to more powerful expansion, also can reduce the operation loss and the maintenance cost that because of fault, cause.
Accompanying drawing explanation
Fig. 1 is the utility model device front three-dimensional structure diagram.
Fig. 2 is the utility model device back side three-dimensional structure diagram.
Fig. 3 is the front three-dimensional structure diagram that in the utility model device, each busbar connects.
Fig. 4 is the back side three-dimensional structure diagram that in the utility model device, each busbar connects.
Fig. 5 is the utility model device circuit structure and schematic diagram.
In figure: 1-air-cooled radiator, 2-framework, 3-composite bus bar, 3-1-discharge resistance connecting portion, 3-2-input connecting portion, 3-3-IGBT connecting portion, 3-4-window, 3-5-Absorption Capacitance connecting portion, 3-6-Support Capacitor terminal, 4-mounting panel, 5-IGBT, 6-Support Capacitor, 7-Absorption Capacitance, 8-drive circuit board, 9-U type installing rack, 10-insulation support plate, 11-copper contact pin connector, 12-DC-sprays busbar, 13-DC+ sprays busbar, 14-lamination spraying composite bus bar, 14-1-exports connecting hole, 14-2-IGBT connecting hole, 15-insulating supporting bar, 16-L-type installing rack.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figures 1 to 4, lamination spraying row mixes a new power converter unit for use with composite bus bar, comprise air-cooled radiator 1, framework 2, composite bus bar 3, mounting panel 4, three IGBT5, eight Support Capacitors 6, three Absorption Capacitances 7, three drive circuit boards 8 and two discharge resistances; Framework 2 is installed on air-cooled radiator 1 top, and composite bus bar 3 is arranged between the frame wall of the interior left and right of framework 2; Three IGBT5 are installed on the surface of air-cooled radiator 1 substrate, and are connected with composite bus bar 3 respectively; Eight Support Capacitors 6 are installed on the position between after-frame wall and composite bus bar 3 in framework 2 by insulation support plate 10, eight Support Capacitors 6 are divided into two rows, four Support Capacitors 6 of every row, the conducting terminal of Support Capacitor 6 is closely connected by the stud bolt being arranged on Support Capacitor 6 with the corresponding conducting terminal of composite bus bar 3; Three Absorption Capacitances 7 are connected with composite bus bar 3 respectively; Three drive circuit boards 8 are arranged on the front frame wall in framework 2 by insulator, and drive circuit board 8 adopts quick inserting pin type to be connected with the driving between IGBT 5 with state feedback signal, and drive circuit board 8 adopts connector to be connected with the control unit of outside, unit; Two discharge resistances are connected with composite bus bar 3 respectively; Mounting panel 4 is fixed on the left frame wall of framework 2 or the bottom in right frame wall outside, five copper contact pin connectors 11 are installed on mounting panel 4, wherein, the first two copper contact pin connector 11 sprays busbar 12 by DC-respectively and is connected with composite bus bar 3 with DC+ spraying busbar 13, and rear three copper contact pin connectors 11 spray composite bus bar 14 by lamination and are connected with three IGBT5 respectively.
During concrete enforcement, composite bus bar 3 comprises three busbars that are shaped as flat and are stacked together, and three busbars are DC+ busbar, DC-busbar and the M busbar that is positioned at intermediate layer, between adjacent busbar, are provided with polyester film; On the right side side of DC+ busbar, DC-busbar and M busbar, be respectively provided with a discharge resistance connecting portion 3-1, three discharge resistance connecting portion 3-1 are staggeredly arranged up and down, one end of one of them discharge resistance is connected with the discharge resistance connecting portion 3-1 on DC+ busbar, the other end is connected with the discharge resistance connecting portion 3-1 on M busbar, and wherein one end of another discharge resistance is connected with the discharge resistance connecting portion 3-1 on DC-busbar, the other end is connected with the discharge resistance connecting portion 3-1 on M busbar; On the left side side of DC+ busbar and DC-busbar, be respectively provided with an input connecting portion 3-2, two input connecting portion 3-2 are staggeredly arranged up and down, DC+ spraying busbar 13 is connected with the input connecting portion 3-2 on DC+ busbar, and DC-spraying busbar 12 is connected with the input connecting portion 3-2 on DC-busbar; On the base of DC+ busbar and DC-busbar, be respectively provided with three IGBT connecting portion 3-3, and three IGBT connecting portion 3-3 on DC+ busbar and three IGBT connecting portion 3-3 arranged crosswise on DC-busbar, form three groups of IGBT connecting portion 3-3, three IGBT5 are connected with three groups of IGBT connecting portion 3-3 respectively; Three busbars are done as a whole, on its whole horizontal central line, offer three window 3-4 that run through busbar integral body, the both sides of each window 3-4 are respectively equipped with an Absorption Capacitance connecting portion 3-5, mono-of two Absorption Capacitance connecting portion 3-5 on each window 3-4 are connected with DC+ busbar, one be connected with DC-busbar, three Absorption Capacitances 7 are arranged on respectively three window 3-4 above, and are connected with two Absorption Capacitance connecting portion 3-5 on this window 3-4; Three busbars are done as a whole, position above its whole horizontal central line is provided with four groups of Support Capacitor terminal group, every group of Support Capacitor terminal group comprises two Support Capacitor terminal 3-6, first and third, six, eight Support Capacitor terminal 3-6 is connected with M busbar from left to right, the second, four Support Capacitor terminal 3-6 are connected with DC+ busbar, and the 5th, seven Support Capacitor terminal 3-6 are connected with DC-busbar; Three busbars are done as a whole, position below its whole horizontal central line is provided with four groups of Support Capacitor terminal group, every group of Support Capacitor terminal group comprises two Support Capacitor terminal 3-6, second, four, five, seven Support Capacitor terminal 3-6 is connected with M busbar from left to right, six, eight Support Capacitor terminal 3-6 are connected with DC+ busbar, and first and third Support Capacitor terminal 3-6 is connected with DC-busbar; Four Support Capacitors 6 of upper row are connected with four groups of Support Capacitor terminal group of upper row respectively, and four Support Capacitors 6 of lower row are connected with four groups of Support Capacitor terminal group of lower row respectively.
Lamination spraying composite bus bar 14 comprises tri-layers of copper bar of T, S, R that from bottom to top stacked setting, surperficial electrolytic tinning and length are successively decreased, and is stained with polyester film 14-1 between adjacent copper bar; T, S, tri-layers of copper bar of R are all by one end consistency from top to bottom, and the alignment end end of T, S, tri-layers of copper bar of R is respectively provided with the connecting portion of a band output connecting hole 14-2, and T, S, tri-layers of copper bar of R are connected with rear three the copper contact pin connectors 11 on mounting panel 4 by the output connecting hole 14-2 on it; The side of the non-alignment end of T, S, tri-layers of copper bar of R outwards extends the connecting portion with IGBT connecting hole 14-3, and T, S, tri-layers of copper bar of R are connected with three IGBT5 respectively by the IGBT connecting hole 14-3 on it.
Between the frame wall of the interior left and right of framework 2, be fixed with upper and lower two insulating supporting bars 15, two insulating supporting bars 15 are between front frame wall and composite bus bar 3 and be close to composite bus bar 3 and arrange, the setting of aliging with four groups of Support Capacitor terminal group of arranging on composite bus bar 3 of the insulating supporting bar 15 of top, the setting of aliging with four groups of Support Capacitor terminal group of arranging under composite bus bar of the insulating supporting bar 15 of below; Two stud bolts that are arranged on Support Capacitor 6 front ends are successively rear with fastening nuts through Support Capacitor terminal group corresponding on composite bus bar 3 and insulating supporting bar 15, realize the fixing of Support Capacitor 6 front ends; Insulation support plate 10 is fixed on the position between Support Capacitor 6 ends and after-frame wall between the frame wall of the interior left and right of framework 2, fixing with framework 2 realized by being fixed on U-shaped installing rack on the frame wall of left and right 9 respectively in the two ends of insulation support plate 10, the end of Support Capacitor 6 is provided with a stud bolt, on stud bolt, by fastening nuts, there is L-type installing rack 16, L-type installing rack 16 is fixed on insulation support plate 10, realizes the fixing of Support Capacitor (6) rear end.
Claims (4)
1. lamination spraying row mixes a new power converter unit for use with composite bus bar, it is characterized in that: comprise air-cooled radiator (1), framework (2), composite bus bar (3), mounting panel (4), three IGBT(5), eight Support Capacitors (6), three Absorption Capacitances (7), three drive circuit boards (8) and two discharge resistances; Framework (2) is installed on air-cooled radiator (1) top, and composite bus bar (3) is arranged between the frame wall of the interior left and right of framework (2); Three IGBT(5) be installed on the surface of air-cooled radiator (1) substrate, and be connected with composite bus bar (3) respectively; Eight Support Capacitors (6) are installed on and in framework (2), are positioned at the position between after-frame wall and composite bus bar (3) by insulation support plate (10), eight Support Capacitors (6) are divided into two rows, four Support Capacitors of every row (6), the conducting terminal of Support Capacitor (6) is closely connected by the stud bolt being arranged on Support Capacitor (6) with the corresponding conducting terminal of composite bus bar (3); Three Absorption Capacitances (7) are connected with composite bus bar (3) respectively; Three drive circuit boards (8) are arranged on the front frame wall in framework (2) by insulator; Two discharge resistances are connected with composite bus bar (3) respectively; Mounting panel (4) is fixed on the left frame wall of framework (2) or the bottom in right frame wall outside, five copper contact pin connectors (11) are installed on mounting panel (4), wherein, the first two copper contact pin connector (11) sprays busbar (12) and DC+ spraying busbar (13) by DC-respectively and is connected with composite bus bar (3), rear three copper contact pin connectors (11) by lamination spray composite bus bar (14) respectively with three IGBT(5) be connected.
2. lamination spraying row according to claim 1 mixes the new power converter unit using with composite bus bar, it is characterized in that: composite bus bar (3) comprises three busbars that are shaped as flat and are stacked together, three busbars are DC+ busbar, DC-busbar and the M busbar that is positioned at intermediate layer, between adjacent busbar, are provided with polyester film; On the right side side of DC+ busbar, DC-busbar and M busbar, be respectively provided with a discharge resistance connecting portion (3-1), three discharge resistance connecting portions (3-1) are staggeredly arranged up and down, one end of one of them discharge resistance is connected with the discharge resistance connecting portion (3-1) on DC+ busbar, the other end is connected with the discharge resistance connecting portion (3-1) on M busbar, and wherein one end of another discharge resistance is connected with the discharge resistance connecting portion (3-1) on DC-busbar, the other end is connected with the discharge resistance connecting portion (3-1) on M busbar; On the left side side of DC+ busbar and DC-busbar, be respectively provided with an input connecting portion (3-2), two input connecting portions (3-2) are staggeredly arranged up and down, DC+ spraying busbar (13) is connected with the input connecting portion (3-2) on DC+ busbar, and DC-spraying busbar (12) is connected with the input connecting portion (3-2) on DC-busbar; On the base of DC+ busbar and DC-busbar, be respectively provided with three IGBT connecting portions (3-3), and three the IGBT connecting portions (3-3) on DC+ busbar and three IGBT connecting portions (3-3) arranged crosswise on DC-busbar, form three groups of IGBT connecting portions (3-3), three IGBT(5) be connected with three groups of IGBT connecting portions (3-3) respectively; Three busbars are done as a whole, on its whole horizontal central line, offer three windows (3-4) that run through busbar integral body, the both sides of each window (3-4) are respectively equipped with an Absorption Capacitance connecting portion (3-5), one of two Absorption Capacitance connecting portion (3-5) on each window (3-4) are connected with DC+ busbar, one be connected with DC-busbar, it is upper that three Absorption Capacitances (7) are arranged on respectively three windows (3-4), and be connected with two the Absorption Capacitance connecting portions (3-5) on this window (3-4); Three busbars are done as a whole, position above its whole horizontal central line is provided with four groups of Support Capacitor terminal group, every group of Support Capacitor terminal group comprises two Support Capacitor terminals (3-6), first and third, six, eight Support Capacitor terminal (3-6) is connected with M busbar from left to right, the second, four Support Capacitor terminals (3-6) are connected with DC+ busbar, and the 5th, seven Support Capacitor terminals (3-6) are connected with DC-busbar; Three busbars are done as a whole, position below its whole horizontal central line is provided with four groups of Support Capacitor terminal group, every group of Support Capacitor terminal group comprises two Support Capacitor terminals (3-6), second, four, five, seven Support Capacitor terminal (3-6) is connected with M busbar from left to right, six, eight Support Capacitor terminals (3-6) are connected with DC+ busbar, and first and third Support Capacitor terminal (3-6) is connected with DC-busbar; Four Support Capacitors (6) of upper row are connected with four groups of Support Capacitor terminal group of upper row respectively, and four Support Capacitors (6) of lower row are connected with four groups of Support Capacitor terminal group of lower row respectively.
3. lamination spraying row according to claim 1 mixes the new power converter unit using with composite bus bar, it is characterized in that: lamination spraying composite bus bar (14) comprises tri-layers of copper bar of T, S, R that from bottom to top stacked setting, surperficial electrolytic tinning and length are successively decreased, and between adjacent copper bar, is stained with polyester film; T, S, tri-layers of copper bar of R are all by one end consistency from top to bottom, and the alignment end end of T, S, tri-layers of copper bar of R is respectively provided with the connecting portion of a band output connecting hole (14-1), T, S, tri-layers of copper bar of R are connected with rear three the copper contact pin connectors (11) on mounting panel (4) by the output connecting hole (14-1) on it; The side of the non-alignment end of T, S, tri-layers of copper bar of R outwards extends the connecting portion of band IGBT connecting hole (14-2), T, S, tri-layers of copper bar of R by the IGBT connecting hole (14-2) on it respectively with three IGBT(5) be connected.
4. lamination spraying row according to claim 2 mixes the new power converter unit using with composite bus bar, it is characterized in that: between the frame wall of the interior left and right of framework (2), be fixed with upper and lower two insulating supporting bars (15), two insulating supporting bars (15) are positioned between front frame wall and composite bus bar (3) and are close to composite bus bar (3) setting, the setting of aliging of the upper four groups of Support Capacitor terminal group of arranging of insulating supporting bar (15) and composite bus bar (3) of top, the setting of aliging with four groups of Support Capacitor terminal group of arranging under composite bus bar of the insulating supporting bar (15) of below; Be arranged on two stud bolts of Support Capacitor (6) front end successively through using fastening nuts after the upper corresponding Support Capacitor terminal group of composite bus bar (3) and insulating supporting bar (15), realize the fixing of Support Capacitor (6) front end; Insulation support plate (10) is fixed between the frame wall of the interior left and right of framework (2) and is positioned at the position between Support Capacitor (6) end and after-frame wall, fixing with framework (2) realized by being fixed on U-shaped installing rack (9) on the frame wall of left and right respectively in the two ends of insulation support plate (10), the end of Support Capacitor (6) is provided with a stud bolt, on stud bolt, by fastening nuts, there is L-type installing rack (16), it is upper that L-type installing rack (16) is fixed on insulation support plate (10), realizes the fixing of Support Capacitor (6) rear end.
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| CN201420507350.2U CN204030990U (en) | 2014-09-04 | 2014-09-04 | Lamination spraying row mixes the new power converter unit using with composite bus bar |
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| CN201420507350.2U CN204030990U (en) | 2014-09-04 | 2014-09-04 | Lamination spraying row mixes the new power converter unit using with composite bus bar |
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| CN110890830A (en) * | 2018-09-07 | 2020-03-17 | 中车株洲电力机车研究所有限公司 | Direct current conversion loop module for high-frequency converter power module |
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2014
- 2014-09-04 CN CN201420507350.2U patent/CN204030990U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167933A (en) * | 2014-09-04 | 2014-11-26 | 永济新时速电机电器有限责任公司 | Novel power conversion unit allowing laminated coating row and composite busbar to be used in hybrid mode |
| CN104167933B (en) * | 2014-09-04 | 2016-08-24 | 永济新时速电机电器有限责任公司 | The new power converter unit that lamination spraying row is used in mixed way with composite bus bar |
| CN105119467A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | Multi-parallel IGBT vertical type composite busbar for explosion-proof frequency converter and method |
| CN105119467B (en) * | 2015-08-28 | 2018-07-17 | 洛阳中重自动化工程有限责任公司 | Multi-parallel IGBT vertical type composite busbar for explosion-proof frequency converter and method |
| CN106975821A (en) * | 2017-03-30 | 2017-07-25 | 朱宣辉 | A kind of IGBT inverter type welders with floating voltage and a variety of protection control functions |
| WO2019113922A1 (en) * | 2017-12-11 | 2019-06-20 | 中车永济电机有限公司 | Power conversion unit, auxiliary locomotive power supply current conversion circuit, and locomotive |
| CN109494993A (en) * | 2018-08-29 | 2019-03-19 | 西安中车永电电气有限公司 | A kind of high-voltage large current mixed type SiC-IGBT applying unit |
| CN110890830A (en) * | 2018-09-07 | 2020-03-17 | 中车株洲电力机车研究所有限公司 | Direct current conversion loop module for high-frequency converter power module |
| CN112713787A (en) * | 2020-12-22 | 2021-04-27 | 中车永济电机有限公司 | Composite busbar for integrated capacitor of charger |
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