CN104167933B - The new power converter unit that lamination spraying row is used in mixed way with composite bus bar - Google Patents
The new power converter unit that lamination spraying row is used in mixed way with composite bus bar Download PDFInfo
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- CN104167933B CN104167933B CN201410447366.3A CN201410447366A CN104167933B CN 104167933 B CN104167933 B CN 104167933B CN 201410447366 A CN201410447366 A CN 201410447366A CN 104167933 B CN104167933 B CN 104167933B
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Abstract
The present invention is a kind of lamination spraying new power converter unit of being used in mixed way with composite bus bar of row, solve traditional cabled manner externally export that profile is in disorder, be difficult to dilatation, when electric current increase cannot the problem such as layout and connection.The present invention includes air-cooled radiator, framework, composite bus bar, installing plate, three IGBT, eight Support Capacitors, three Absorption Capacitances, three drive circuit boards and two discharge resistances, the present invention, based on air-cooled radiator, have employed the stacked modularized design of multiple busbar.The present invention uses modularized design, saves space, it is simple to safeguards and changes, and reduces maintenance cost；The present invention uses polytype composite bus bar to be applied in combination technology, improve the reliability of main circuit, avoid the difficulty that cable detours in narrow space, and compact conformation completely, it is easy to more powerful extension, also can reduce the operation loss and maintenance cost caused because of fault.
Description
Technical field
The present invention relates to locomotive AC technical field, spraying row is new with what composite bus bar was used in mixed way for a kind of lamination
Type power conversion unit.
Background technology
Along with the development of locomotive AC technology, the current transformer using high-power IGBT to be switch element application is increasingly extensive,
Multiple IGBT device of a kind of main circuit are carried out installing integrated by the maintenance of main circuit for convenience, form power model unit,
Major function includes the connection of main circuit, the switch drive of device controls and heat radiation.
Electric locomotive auxiliary inversion power cell is the core component of locomotive auxiliary power supply system device, and it is from locomotive
Between DC loop power taking, through on power model IGBT composition three-phase circuit carry out inversion after, the auxiliary electricity consumption for train sets
Available electricity.Heat radiation aspect have employed the aluminium radiator of forced air cooling.
Existing locomotive auxiliary inversion power circuit is not the most independent, uses common copper bar and cable even between main circuit
Connect.So shortcoming of design has: 1) structure of power circuit is provided without independent power cell form, and power circuit breaks down
Time, it is unfavorable for safeguarding and changing；2) circuit parasitic inductance is big, and power device is easily damaged, and circuit reliability is poor, efficiency is low；3)
Using common copper bar to connect, whole main circuit structure is too fat to move, takes up space big, and electric clearance required distance is big.
Existing auxiliary inversion power circuit externally electrically connects and commonly uses cable or copper bar.So shortcoming of design is:
When power circuit externally electrically connects use cable or copper bar, not only connect at cabling layout, terminal and occupy substantial amounts of space, and
And cable area become big, main circuit current become big in the case of, cable in a narrow space cannot bending, power model is tieed up
When protecting replacing, workload is big, the longest, may affect locomotive normal operation.
Summary of the invention
The present invention is the new power converter unit that a kind of lamination spraying row is used in mixed way with composite bus bar.Solve to ask as follows
Topic: 1) solve circuit stray inductance greatly, power device is easily damaged, the problem of circuit reliability difference；2) main circuit cable is solved
Connection is many, and layout is complicated, cost is high, the insecure problem of quality；3) reduce system bulk, weight, and facilitate main circuit
Maintenance maintenance.
The present invention is achieved through the following technical solutions:
The new power converter unit that a kind of lamination spraying row is used in mixed way with composite bus bar, including air-cooled radiator, frame
Frame, composite bus bar, installing plate, three IGBT, eight Support Capacitors, three Absorption Capacitances, three drive circuit boards and two put
Electricity resistance；Framework is installed on air-cooled radiator top, and composite bus bar is arranged in framework between the frame wall of left and right；Three IGBT install
In the surface of air-cooled radiator substrate, and it is connected with composite bus bar respectively；Eight Support Capacitors are installed by insulation support plate
Position between after-frame wall and composite bus bar in framework, eight Support Capacitors are divided into two rows, often four supports of row
Electric capacity, the corresponding conducting terminal of the conducting terminal of Support Capacitor and composite bus bar is by the stud bolt being arranged on Support Capacitor
Compact siro spinning technology；Three Absorption Capacitances are connected with composite bus bar respectively；Three drive circuit boards are arranged in framework by insulator
Front frame wall on；Two discharge resistances are connected with composite bus bar respectively；Installing plate is fixed on outside left frame wall or the right frame wall of framework
The bottom of side, installing plate is provided with five copper contact pin adapters, and wherein, the first two copper contact pin adapter is sprayed by DC-respectively
Being coated with busbar and DC+ spraying busbar is connected with composite bus bar, rear three copper contact pin adapters are by lamination spraying composite bus bar respectively
It is connected with three IGBT；Two discharge resistances are connected with composite bus bar respectively.
Further, composite bus bar includes that three are shaped as flat and the busbar being stacked together, and three busbars are DC+
Busbar, DC-busbar and be positioned at the M busbar in intermediate layer, be provided with mylar between adjacent busbar；DC+ busbar, DC-busbar
Be respectively provided with a discharge resistance connecting portion on the right side side of M busbar, three discharge resistance connecting portions are staggeredly arranged up and down, its
In one end of a discharge resistance be connected with the discharge resistance connecting portion on DC+ busbar, discharge resistance on the other end and M busbar
Connecting portion connects, and one end of other in which discharge resistance is connected with the discharge resistance connecting portion on DC-busbar, the other end and M
Discharge resistance connecting portion on busbar connects；It is respectively provided with an input on the left side side of DC+ busbar and DC-busbar to connect
Portion, two input connecting portions are staggeredly arranged up and down, wherein the input connecting portion on DC-busbar and first on installing plate
Copper contact pin adapter connects, and the input connecting portion on DC+ busbar is connected with second copper contact pin adapter on installing plate；DC
Three IGBT connecting portions it are respectively provided with on the base of+busbar and DC-busbar, and three IGBT connecting portions on DC+ busbar and DC-
Three IGBT connecting portion arranged crosswise on busbar, form three groups of IGBT connecting portions, and three IGBT are connected with three groups of IGBT respectively
Portion connects；Three busbars, as an entirety, offer three on the horizontal central line of its entirety and run through the window that busbar is overall,
Each window be respectively provided on two sides with an Absorption Capacitance connecting portion, two the Absorption Capacitance connecting portions one on each window with
DC+ busbar connect, one be connected with DC-busbar, three Absorption Capacitances are separately mounted on three windows, and with on this window
Two Absorption Capacitance connecting portions connect；Three busbars are provided with as an entirety, the position above the horizontal central line of its entirety
Four groups of Support Capacitor terminal group, often group Support Capacitor terminal group includes two Support Capacitor terminals, from left to right first and third, six,
Eight Support Capacitor terminals are connected with M busbar, and second, four Support Capacitor terminals are connected with DC+ busbar, the five, the seven supports
Capacitor terminal is connected with DC-busbar；Three busbars are provided with four as an entirety, the position below the horizontal central line of its entirety
Group Support Capacitor terminal group, often group Support Capacitor terminal group includes two Support Capacitor terminals, from left to right second, four, five, seven
Individual Support Capacitor terminal is connected with M busbar, and the six, the eight Support Capacitor terminals are connected with DC+ busbar, and first and third supports electricity
Hold terminal to be connected with DC-busbar；Four Support Capacitors of upper row are connected with four groups of Support Capacitor terminal group of upper row respectively, lower row
Four Support Capacitors be connected with four groups of Support Capacitor terminal group of lower row respectively (i.e. the conducting terminal of Support Capacitor with support electricity
Hold terminal compact siro spinning technology).
Lamination spraying composite bus bar includes T, S, R tri-that from bottom to top stacking setting, surface electrolytic tinning and length are successively decreased
Layer copper bar, is stained with mylar between adjacent copper bar；Tri-layers of copper bar of T, S, R are all by one end consistency from top to bottom, and T, S, R tri-
The alignment end end of layer copper bar is respectively provided with an outfan connecting hole, three outfan connecting holes be staggeredly arranged and respectively with installation
Rear three copper contact pin adapters on plate connect；The side of the non-alignment end of tri-layers of copper bar of T, S, R is the most extended has band IGBT even
Connecing the connecting portion in hole, tri-layers of copper bar of T, S, R are connected with three IGBT respectively by IGBT connecting hole thereon.
Be fixed with upper and lower two insulating supporting bars in framework between left and right frame wall, two insulating supporting bars be positioned at front baffle and
Between composite bus bar and be close to composite bus bar and arrange, four groups of Support Capacitors of row on the insulating supporting bar of top and composite bus bar
Terminal group alignment is arranged, and the insulating supporting bar of lower section aligns setting with the four groups of Support Capacitor terminal group arranged under composite bus bar；If
Put two stud bolts in Support Capacitor front end successively through corresponding Support Capacitor terminal group and insulation on composite bus bar
Fasten with nut after support bar, it is achieved fixing of Support Capacitor front end；Insulation support plate is fixed in framework between the frame wall of left and right
Position between Support Capacitor end and after-frame wall, the two ends of insulation support plate are respectively by being fixed on the frame wall of left and right
The realization of U-shaped installing rack is fixing with framework, and the end of Support Capacitor is provided with stud bolt, and stud bolt is fastened with by nut
L-type installing rack, L-type installing rack is fixed on insulation support plate, it is achieved fixing of Support Capacitor (6) rear end.
The present invention design power conversion unit achieve DC voltage support, overvoltage absorb, IGBT drive with protection,
The functions such as power device heat radiation, and finally realize the DC inverter of input being three-phase alternating current output.Circuit structure and former
Reason figure is as it is shown in figure 5, as can be known from Fig. 5:
One, main circuit part:
V1-V3 is IGBT, and three two-tube IGBT are by outside composite bus bar and RST three-phase output lamination spraying composite bus bar
Standard three-phase inversion main circuit is formed, by the control unit on-off control to IGBT, it is achieved direct current is to three-phase alternating current after connection
Power conversion.
C1-C3 is main circuit overvoltage Absorption Capacitance, be used for absorb IGBT turn off time, DC loop produce the most electric
Pressure.
C4-C11 is the DC terminal Support Capacitor of main circuit, is used for supporting DC loop voltage, it is ensured that DC loop voltage
Fluctuation in the range of requiring.
R1, R2 are the discharge resistance of DC loop.After ensureing main circuit power-off, the residual voltage on DC loop electric capacity exists
It is reduced to below safe voltage in the time required.
DC+, DC-are the direct current input of power cell.
R, S, T are the three-phase alternating current output of power cell.
Two, part is controlled:
DBR, DBS, DBT are the drive circuits of IGBT, and every piece of drive circuit board provides two-way to drive signal, drive one inverse
Become two IGBT cell operation of brachium pontis, IGBT switch state signal is fed back to control unit simultaneously.
T1 is temperature detection switch, and when the temperature of power conversion unit radiator is higher than setting value, on off state occurs
Conversion, and send this switching signal to control unit.
Present invention employs the stacked modularized design of multiple busbar, bottom is air-cooled radiator, and power device is installed
On the surface of air-cooled radiator, power device surface sprays busbar by composite bus bar, lamination spraying composite bus bar, DC+/DC-
All parts of three-phase inversion main circuit are linked together and externally input and output.Composite bus bar uses three layers of copper bar of standard to fold
Add, comprise DC+ layer, DC-layer and the M shell of centre, complete electric capacity connection in series-parallel function；DC+, DC-directly use spraying busbar knot
Structure, R, S, T have employed lamination spraying composite bus bar.Externally input and output are unified neat, both reduced the stray inductance of main circuit,
Reduce overvoltage when IGBT turns off, take full advantage of again narrow space, make outward appearance neat appearance.
The invention have the benefit that
1) use modularized design, save space, it is simple to safeguard and change, reduce maintenance cost；
2) use polytype composite bus bar to be applied in combination technology, improve the reliability of main circuit, avoid cable to exist completely
The difficulty detoured in narrow space, and compact conformation, it is simple to more powerful extension, also can reduce the operation caused because of fault and damage
Become estranged maintenance cost.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention front three-dimensional structure diagram.
Fig. 2 is apparatus of the present invention back side three-dimensional structure diagram.
Fig. 3 is the front three-dimensional structure diagram that in apparatus of the present invention, each busbar connects.
Fig. 4 is the back side three-dimensional structure diagram that in apparatus of the present invention, each busbar connects.
Fig. 5 is apparatus of the present invention 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 connect
Portion, 3-3-IGBT connecting portion, 3-4-window, 3-5-Absorption Capacitance connecting portion, 3-6-Support Capacitor terminal, 4-installing plate, 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 are even
Connect device, 12-DC-spraying busbar, 13-DC+ spraying busbar, 14-lamination sprays composite bus bar, 14-1-exports connecting hole, 14-2-
IGBT connecting hole, 15-insulating supporting bar, 16-L-type installing rack.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in Figures 1 to 4, the new power converter unit that a kind of lamination spraying row is used in mixed way with composite bus bar, bag
Include air-cooled radiator 1, framework 2, composite bus bar 3,4, three IGBT5 of installing plate, 6, three Absorption Capacitances 7 of eight Support Capacitors,
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 on framework 2
Between the frame wall of interior left and right；Three IGBT5 are installed on the surface of air-cooled radiator 1 substrate, and are connected with composite bus bar 3 respectively；
The position that eight Support Capacitors 6 are installed in framework 2 between after-frame wall and composite bus bar 3 by insulation support plate 10, eight
Individual Support Capacitor 6 is divided into two rows, often four Support Capacitors 6 of row, the phase of the conducting terminal of Support Capacitor 6 and composite bus bar 3
Answer conducting terminal by the stud bolt compact siro spinning technology being arranged on Support Capacitor 6；Three Absorption Capacitances 7 respectively with composite bus bar
3 connect；On the front frame wall that three drive circuit boards 8 are arranged in framework 2 by insulator, drive circuit board 8 and IGBT 5 it
Between driving and status feedback signal use quick inserting pin type to be connected, drive circuit board 8 and the control unit employing outside unit
Adapter connects；Two discharge resistances are connected with composite bus bar 3 respectively；Installing plate 4 is fixed on the left frame wall of framework 2 or right frame wall
The bottom in outside, installing plate 4 is provided with five copper contact pin adapters 11, and wherein, the first two copper contact pin adapter 11 leads to respectively
Crossing DC-spraying busbar 12 and DC+ spraying busbar 13 to be connected with composite bus bar 3, rear three copper contact pin adapters 11 are sprayed by lamination
It is coated with composite bus bar 14 to be connected with three IGBT5 respectively.
When being embodied as, composite bus bar 3 includes that three are shaped as flat and the busbar being stacked together, and three busbars are
DC+ busbar, DC-busbar and be positioned at the M busbar in intermediate layer, be provided with mylar between adjacent busbar；DC+ busbar, DC-are female
Being respectively provided with a discharge resistance connecting portion 3-1 on the right side side of row and M busbar, three discharge resistance connecting portion 3-1 are the most wrong
Opening layout, one end of one of them discharge resistance is connected with the discharge resistance connecting portion 3-1 on DC+ busbar, the other end and M busbar
On discharge resistance connecting portion 3-1 connect, the discharge resistance connecting portion on one end of other in which discharge resistance and DC-busbar
3-1 connects, 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 respectively
Being provided with an input connecting portion 3-2, two input connecting portion 3-2 to be staggeredly arranged up and down, DC+ spraying busbar 13 is female with DC+
Input connecting portion 3-2 on row connects, and DC-spraying busbar 12 is connected with the input connecting portion 3-2 on DC-busbar；DC+ is female
Be respectively provided with three IGBT connecting portion 3-3 on the base of row and DC-busbar, 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, and three IGBT5 are respectively with three
Group IGBT connecting portion 3-3 connects；Three busbars, as an entirety, offer three on the horizontal central line of its entirety and run through female
The window 3-4, each window 3-4 that row is overall is respectively provided on two sides with an Absorption Capacitance connecting portion 3-5, on each window 3-4
Two Absorption Capacitance connecting portion 3-5 mono-be connected with DC+ busbar, one be connected with DC-busbar, three Absorption Capacitances 7 are respectively
It is arranged on three window 3-4, and is connected with two Absorption Capacitance connecting portion 3-5 on this window 3-4；Three busbars are as one
Individual entirety, the position above the horizontal central line of its entirety is provided with four groups of Support Capacitor terminal group, often group Support Capacitor terminal group
Including two Support Capacitor terminal 3-6, first and third, six, eight Support Capacitor terminal 3-6 and M busbars are connected from left to right, the
Two, four Support Capacitor terminal 3-6 and DC+ busbars are connected, and the five, the seven Support Capacitor terminal 3-6 and DC-busbars are connected；Three
Individual busbar is as an entirety, and the position below the horizontal central line of its entirety is provided with four groups of Support Capacitor terminal group, often group
Support capacitance terminal subgroup includes two Support Capacitor terminal 3-6, from left to right second, four, five, seven Support Capacitor terminal 3-6 and M
Busbar connects, and the six, the eight Support Capacitor terminal 3-6 and DC+ busbars are connected, first and third Support Capacitor terminal 3-6 and DC-
Busbar connects；Four Support Capacitors 6 of upper row are connected with four groups of Support Capacitor terminal group of upper row respectively, four supports of lower row
Electric capacity 6 is connected with four groups of Support Capacitor terminal group of lower row respectively.
Lamination spraying composite bus bar 14 includes T, S, R that from bottom to top stacking setting, surface electrolytic tinning and length are successively decreased
Three layers of copper bar, are stained with mylar 14-1 between adjacent copper bar；Tri-layers of copper bar of T, S, R all by one end consistency from top to bottom, and T,
The alignment end end of tri-layers of copper bar of S, R is respectively provided with the connecting portion of a band output connecting hole 14-2, and tri-layers of copper bar of T, S, R pass through it
On output connecting hole 14-2 be connected with rear three the copper contact pin adapters 11 on installing plate 4；The non-alignment of tri-layers of copper bar of T, S, R
The most extended connecting portion having band IGBT connecting hole 14-3 of side of end, tri-layers of copper bar of T, S, R pass through IGBT connecting hole thereon
14-3 is connected with three IGBT5 respectively.
Upper and lower two insulating supporting bars 15 it are fixed with between left and right frame wall, before two insulating supporting bars 15 are positioned in framework 2
Between frame wall and composite bus bar 3 and be close to composite bus bar 3 and arrange, the insulating supporting bar 15 of top and row on composite bus bar 3
Four groups of Support Capacitor terminal group alignment are arranged, the insulating supporting bar 15 of lower section and four groups of Support Capacitor terminals of row under composite bus bar
Group alignment is arranged；It is arranged on two stud bolts of Support Capacitor 6 front end successively through Support Capacitor corresponding on composite bus bar 3
Fasten with nut after terminal group and insulating supporting bar 15, it is achieved fixing of Support Capacitor 6 front end；Insulation support plate 10 is fixed on
Position between Support Capacitor 6 end and after-frame wall between left and right frame wall in framework 2, the two ends of insulation support plate 10 are respectively
By the U-shaped installing rack 9 that is fixed on the frame wall of left and right realize with framework 2 fixing, the end of Support Capacitor 6 is provided with a stigma
Bolt, stud bolt is fastened with L-type installing rack 16 by nut, and L-type installing rack 16 is fixed on insulation support plate 10, it is achieved
Fixing of Support Capacitor (6) rear end.
Claims (3)
1. the new power converter unit that a lamination spraying row is used in mixed way with composite bus bar, it is characterised in that: include air-cooled
Radiator (1), framework (2), composite bus bar (3), installing plate (4), three IGBT(5), eight Support Capacitors (6), three absorptions
Electric capacity (7), three drive circuit boards (8) and two discharge resistances；Framework (2) is installed on air-cooled radiator (1) top, compound mother
Row (3) is arranged between the frame wall of framework (2) interior left and right；Three IGBT(5) it is installed on the surface of air-cooled radiator (1) substrate, and
And be connected with composite bus bar (3) respectively；Eight Support Capacitors (6) are positioned in being installed on framework (2) by insulation support plate (10)
Position between after-frame wall and composite bus bar (3), eight Support Capacitors (6) are divided into two rows, often four Support Capacitors of row
(6), the conducting terminal of Support Capacitor (6) to the corresponding conducting terminal of composite bus bar (3) by being arranged on Support Capacitor (6)
Stud bolt compact siro spinning technology；Three Absorption Capacitances (7) are connected with composite bus bar (3) respectively；Three drive circuit boards (8) are by absolutely
Edge is arranged on the front frame wall in framework (2)；Two discharge resistances are connected with composite bus bar (3) respectively；Installing plate (4) is fixed
Bottom outside the left frame wall or right frame wall of framework (2), installing plate (4) is provided with five copper contact pin adapters (11), its
In, the first two copper contact pin adapter (11) is respectively by DC-spraying busbar (12) and DC+ spraying busbar (13) and composite bus bar
(3) connect, rear three copper contact pin adapters (11) by lamination spraying composite bus bar (14) respectively with three IGBT(5) be connected；
Wherein, composite bus bar (3) includes that three are shaped as flat and the busbar being stacked together, and three busbars are DC+ busbar, DC-
Busbar and be positioned at the M busbar in intermediate layer, is provided with mylar between adjacent busbar；DC+ busbar, DC-busbar and M busbar
Being respectively provided with a discharge resistance connecting portion (3-1) on the side of right side, 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, on the other end and M busbar
Discharge resistance connecting portion (3-1) connects, one end of other in which discharge resistance and the discharge resistance connecting portion on DC-busbar
(3-1) connect, the other end is connected with the discharge resistance connecting portion (3-1) on M busbar；The left side side of DC+ busbar and DC-busbar
On be respectively provided with an input connecting portion (3-2), two input connecting portions (3-2) are staggeredly arranged up and down, and DC+ sprays busbar
(13) being connected with the input connecting portion (3-2) on DC+ busbar, DC-spraying busbar (12) is connected with the input on DC-busbar
Portion (3-2) connects；Three IGBT connecting portions (3-3) it are respectively provided with on the base of DC+ busbar and DC-busbar, and on DC+ busbar
Three IGBT connecting portion (3-3) arranged crosswise on three IGBT connecting portions (3-3) and DC-busbar, form three groups of IGBT and connect
Portion (3-3), three IGBT(5) it is connected with three groups of IGBT connecting portions (3-3) respectively；Three busbars are as an entirety, whole at it
Offer three on the horizontal central line of body and run through the windows (3-4) that busbar is overall, each window (3-4) be respectively provided on two sides with one
Individual Absorption Capacitance connecting portion (3-5), two the Absorption Capacitance connecting portions (3-5) on each window (3-4) are with DC+ busbar even
Connect, one be connected with DC-busbar, three Absorption Capacitances (7) are separately mounted on three windows (3-4), and with this window (3-4)
On two Absorption Capacitance connecting portions (3-5) connect；Three busbars are as an entirety, above the horizontal central line of its entirety
Position is provided with four groups of Support Capacitor terminal group, and often group Support Capacitor terminal group includes two Support Capacitor terminals (3-6), from a left side to
Right first and third, six, eight Support Capacitor terminals (3-6) are connected with M busbar, second, four Support Capacitor terminals (3-6) and DC+
Busbar connects, and the five, the seven Support Capacitor terminals (3-6) are connected with DC-busbar；Three busbars are as an entirety, whole at it
Position below the horizontal central line of body is provided with four groups of Support Capacitor terminal group, and often group Support Capacitor terminal group includes that two support electricity
Holding terminal (3-6), second, four, five, seven Support Capacitor terminals (3-6) are connected with M busbar from left to right, the six, the eight supports
Capacitor terminal (3-6) is connected with DC+ busbar, and first and third Support Capacitor terminal (3-6) is connected with DC-busbar；Four of upper row
Support Capacitor (6) is connected with four groups of Support Capacitor terminal group of upper row respectively, four Support Capacitors (6) of lower row respectively with lower row
Four groups of Support Capacitor terminal group connect.
The new power converter unit that lamination the most according to claim 1 spraying row is used in mixed way with composite bus bar, it is special
Levy and be: lamination spraying composite bus bar (14) includes T, S, R that from bottom to top stacking setting, surface electrolytic tinning and length are successively decreased
Three layers of copper bar, are stained with mylar between adjacent copper bar；Tri-layers of copper bar of T, S, R are all by one end consistency from top to bottom, and T, S, R
The alignment end end of three layers of copper bar is respectively provided with the connecting portion of band output connecting hole (14-1), and tri-layers of copper bar of T, S, R pass through it
On output connecting hole (14-1) be connected with rear three the copper contact pin adapters (11) on installing plate (4)；Tri-layers of copper bar of T, S, R
The most extended connecting portion having band IGBT connecting hole (14-2) of the side of non-alignment end, tri-layers of copper bar of T, S, R are by thereon
IGBT connecting hole (14-2) respectively with three IGBT(5) be connected.
The new power converter unit that lamination the most according to claim 1 spraying row is used in mixed way with composite bus bar, it is special
Levy and be: between the frame wall of framework (2) interior left and right, be fixed with upper and lower two insulating supporting bars (15), two insulating supporting bar (15) positions
Between front frame wall and composite bus bar (3) and be close to composite bus bar (3) and arrange, the insulating supporting bar (15) of top and compound mother
Four groups of Support Capacitor terminal group alignment of the upper row of row (3) are arranged, the insulating supporting bar (15) of lower section and under composite bus bar the four of row
Group Support Capacitor terminal group alignment is arranged；It is arranged on two stud bolts of Support Capacitor (6) front end successively through composite bus bar
(3) fasten with nut after upper corresponding Support Capacitor terminal group and insulating supporting bar (15), it is achieved Support Capacitor (6) front end
Fixing；Insulation support plate (10) is fixed between the frame wall of framework (2) interior left and right and is positioned between Support Capacitor (6) end and after-frame wall
Position, the two ends of insulation support plate (10) are realized and framework by the U-shaped installing rack (9) that is fixed on the frame wall of left and right respectively
(2) fixing, the end of Support Capacitor (6) is provided with a stud bolt, and stud bolt is fastened with L-type installing rack by nut
(16), L-type installing rack (16) is fixed on insulation support plate (10), it is achieved fixing of Support Capacitor (6) rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447366.3A CN104167933B (en) | 2014-09-04 | 2014-09-04 | The new power converter unit that lamination spraying row is used in mixed way with composite bus bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447366.3A CN104167933B (en) | 2014-09-04 | 2014-09-04 | The new power converter unit that lamination spraying row is used in mixed way with composite bus bar |
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| Publication Number | Publication Date |
|---|---|
| CN104167933A CN104167933A (en) | 2014-11-26 |
| CN104167933B true CN104167933B (en) | 2016-08-24 |
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| CN201410447366.3A Active CN104167933B (en) | 2014-09-04 | 2014-09-04 | The new power converter unit that lamination spraying row is used in mixed way with composite bus bar |
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|---|---|---|---|---|
| CN104780749B (en) * | 2015-04-22 | 2017-08-25 | 永济新时速电机电器有限责任公司 | Insulation shielding supporting plate and stacked power model |
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