CN209217958U - Energy storage device and its power module - Google Patents
Energy storage device and its power module Download PDFInfo
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- CN209217958U CN209217958U CN201821807027.1U CN201821807027U CN209217958U CN 209217958 U CN209217958 U CN 209217958U CN 201821807027 U CN201821807027 U CN 201821807027U CN 209217958 U CN209217958 U CN 209217958U
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Abstract
The utility model provides a kind of energy storage device and its power module.Power module includes radiator, left frame and correct frame, IGBT component, stack bus bar, driving assembly and Support Capacitor component；Left frame and correct frame are installed on a heat sink, and left frame and correct frame are oppositely arranged；IGBT component is installed on a heat sink, and IGBT component is located at left frame and correct frame is formed by accommodating space；Support Capacitor component is arranged in accommodating space；At least a part of replaceable setting of stack bus bar is between Support Capacitor component and IGBT component, and stack bus bar is electrically connected with the Support Capacitor in the IGBT and Support Capacitor component in IGBT component.The utility model can realize the power module generalization in different energy storage devices by removable parts stack bus bar, avoid the power module of different structure manufacture, replacement and in terms of bring it is inconvenient, further improve assembly efficiency.
Description
Technical field
The utility model embodiment is related to rail traffic energy management system technology more particularly to energy storage device and its power
Module.
Background technique
With the continuous sharp increase expanded with the passenger traffic volume of Urban Rail Transit scale, city rail total energy consumption
It increases substantially.Wherein, middle pressure energy feedback device (10kV or 35kV) and super capacitor energy storage device are as city rail energy management
The most important equipment of system, is set in the energy management system of subway station, can effectively absorb and utilize rail vehicle
Regenerating braking energy, thus achieve the purpose that reduce energy consumption.
Core component of the power module as both devices, there are two different circuit topologies, wherein single-phase bridge
Arm two-in-parallel phase module circuit presents rating of set module for pressure energy in the energy storage device of ground, and quadruple bi-directional half bridge circuit is used for
Ground energy storage device super capacitor energy storage device power module, therefore, in middle pressure energy feedback device and super capacitor energy storage device
Power module is both needed to be adapted to corresponding circuit topology.
There is very big difference in the wiring of each component of the power module of different circuit topological structures and component layouts structure etc.,
And need to configure multiple power module, the power of different structure in the entire system for different circuit topologies in the prior art
Module manufacture, use, replacement and in terms of compared to same power module there is very big difference, therefore can bring
It is greatly inconvenient, working efficiency is influenced, being substantially improved for system equipment cost is also resulted in.Therefore, existing power module is general
It is poor to spend so that when manufacturing track train energy storage device necessary separately fabricated above two power module all components, sternly
The manufacture efficiency of track train energy storage device is affected again.
Utility model content
The utility model provides a kind of energy storage device and its power module, with overcome it is of the existing technology above-mentioned or its
His potential technology problem.
In a first aspect, the utility model provides a kind of power module, comprising: radiator, left frame and correct frame, insulated gate
Bipolar transistor IGBT component, stack bus bar, driving assembly and Support Capacitor component；Wherein,
Left frame and correct frame are installed on a heat sink, and left frame and correct frame are oppositely arranged；
IGBT component is installed on a heat sink, and IGBT component is located at left frame and correct frame is formed by accommodating space
Interior, IGBT component includes four IGBT；
Support Capacitor component is arranged in accommodating space and fixes at least one of left frame and correct frame；
At least a part of replaceable setting of stack bus bar is between Support Capacitor component and IGBT component, and lamination is female
Row is electrically connected with the Support Capacitor in the IGBT and Support Capacitor component in IGBT component；
Driving assembly is arranged in the outside of Support Capacitor component, and the both ends of driving assembly respectively with left frame and correct frame
It is fixed.
Optionally, lamination copper bar includes positive busbar, cathode bus bar, positive busbar extends copper bar and cathode bus bar extends
Copper bar；
The first part of positive busbar and the rectangular bending type laminated construction of cathode bus bar, positive busbar and cathode bus bar is folded
Layer is arranged between Support Capacitor component and IGBT component, and the second part lamination of positive busbar and cathode bus bar is set to support
The outside of capacitance component, and the second part of positive busbar and the cathode bus bar is oppositely arranged with driving assembly；
Positive busbar and cathode bus bar are electrically connected with two opposite polarity power ends of IGBT respectively；
The both ends that positive busbar extends copper bar are connect with the first insulator of positive busbar and left frame respectively；
The both ends that cathode bus bar extends copper bar are connect with the second insulator of cathode bus bar and left frame respectively.
Optionally, to include: AC copper-line extend copper bar with exchanging to lamination copper bar；The E of AC copper-line and two IGBT grade electricity
It connects and is electrically connected with the pole C of other two IGBT；One end that first direct current extends copper bar is electrically connected with AC copper-line, is exchanged
The other end for extending copper bar stretches out accommodating space from the opening on correct frame and connect with the third insulator of correct frame.
Optionally, lamination copper bar includes: that the first direct current copper bar, the second direct current copper bar, the first direct current extend copper bar and the
Two direct currents extend copper bar；
First direct current copper bar is electrically connected with the C grade of the E of first IGBT grade and second IGBT, and the first direct current extends copper
One end of row is electrically connected with the first direct current copper bar, and the other end that the first direct current extends copper bar stretches out accommodating from the opening on correct frame
Space is simultaneously connect with the 4th insulator of correct frame；
Second direct current copper bar is electrically connected with the C grade of the E of third IGBT grade and the 4th IGBT, and the second direct current extends copper
One end of row is electrically connected with the second direct current copper bar, and the other end that the second direct current extends copper bar stretches out accommodating from the opening on correct frame
Space is simultaneously connect with the 5th insulator of correct frame.
Optionally, gate pole configuration plate is provided with above each IGBT；Driving assembly includes: driving plate and power detecting
Plate, driving plate configures plate with the gate pole respectively and power detecting plate is electrically connected.
Optionally, driving assembly further include: driving plate mounting plate, insulation board and protective cover；
Driving plate mounting plate is fixed in left frame and correct frame；Insulation board is mounted on driving plate mounting plate；
Driving plate and power detecting plate are installed on insulation board；Protective cover is located at the outer of driving plate and power detecting plate
Side.
Optionally, the thermistor of the substrate temperature for detecting radiator, and temperature-sensitive are provided on the substrate of radiator
Resistance is located at the side of IGBT, and power detecting plate is electrically connected with thermistor.
Optionally, Support Capacitor component includes: Support Capacitor and braced frame, and Support Capacitor is installed on braced frame
On, braced frame is then installed in left frame and correct frame.
Optionally, radiator is composite phase-change radiator.
Second aspect, the utility model provide a kind of energy storage device, including power module as described above, energy storage device are
Middle pressure energy feedback device or super capacitor energy storage device.
The utility model provides a kind of energy storage device and its power module.Wherein, power module provided by the utility model
It include: radiator, left frame and correct frame, insulated gate bipolar transistor IGBT component, stack bus bar, driving assembly and support electricity
Hold component；Wherein, left frame and correct frame are installed on a heat sink, and left frame and correct frame are oppositely arranged；IGBT component peace
It fills on a heat sink, and IGBT component is located at left frame and correct frame is formed by accommodating space, IGBT component includes four
IGBT；Support Capacitor component is arranged in accommodating space and fixes at least one of left frame and correct frame；Stack bus bar
At least a part of replaceable setting is between Support Capacitor component and IGBT component, and in stack bus bar and IGBT component
Support Capacitor electrical connection in IGBT and Support Capacitor component；The outside of Support Capacitor component is arranged in driving assembly, and drives
The both ends of dynamic component are fixed with left frame and correct frame respectively.The utility model is by by the IGBT of power module, Support Capacitor
The position of all parts such as group valence optimizes, so that only removable parts stack bus bar can be made the power module of the utility model
The power module for adapting to different circuit topologies is produced, the power module generalization in different energy storage devices is realized, avoids difference
The power module of structure manufacture, use, replacement and in terms of bring it is inconvenient, further improve assembly efficiency, together
When reduce energy storage device manufacture, in terms of cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first visual angle when power module provided by the embodiment of the utility model is used for super capacitor energy storage device
Structural schematic diagram；
Fig. 2 is the second visual angle when power module provided by the embodiment of the utility model is used for super capacitor energy storage device
Structural schematic diagram；
Fig. 3 is that internal structure when power module provided by the embodiment of the utility model is used for super capacitor energy storage device is shown
It is intended to；
Fig. 4 is driving assembly when power module provided by the embodiment of the utility model is used for super capacitor energy storage device
Structural schematic diagram；
Fig. 5 is circuit theory when power module provided by the embodiment of the utility model is used for super capacitor energy storage device
Figure；
Fig. 6 is explosive view when power module provided by the embodiment of the utility model is used for super capacitor energy storage device；
The structure at the first visual angle when Fig. 7 is power module provided by the embodiment of the utility model for middle pressure energy feedback device
Schematic diagram；
The structure at the second visual angle when Fig. 8 is power module provided by the embodiment of the utility model for middle pressure energy feedback device
Schematic diagram；
Fig. 9 is internal structure signal when power module provided by the embodiment of the utility model presents device for middle pressure energy
Figure；
The knot of driving assembly when Figure 10 is power module provided by the embodiment of the utility model for middle pressure energy feedback device
Structure schematic diagram；
Figure 11 is circuit diagram when power module provided by the embodiment of the utility model presents device for middle pressure energy.
Description of symbols:
1-radiator；
2-left frames；
201-the first insulator；
202-the second insulator；
3-correct frames；
301-the four insulator；
302-the five insulator；
303-third insulators；
4-IGBT components；
5-stack bus bars；
501-positive busbars；
502-cathode bus bars；
503-positive busbars extend copper bar；
504-cathode bus bars extend copper bar；
505-the first direct current copper bar；
506-the second direct current copper bar；
507-the first direct current extends copper bar；
508-the second direct current extends copper bar；
509-AC copper-lines；
510-exchanges extend copper bar；
6-driving assemblies；
601-driving plates；
602-power detecting plates；
603-driving plate mounting plates；
604-insulation boards；
605-protective covers；
7-Support Capacitor components；
701-Support Capacitors；
702-braced frames；
703-side frames；
704-corner brackets；
8-wiring frames.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should broadly understood, for example, can make to be fixedly connected, be also possible to through the indirect phase of intermediary
Even, the connection inside two elements or the interaction relationship of two elements be can be.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "vertical" ", water
It is flat ", "top", "bottom", "inner", the orientation of the instructions such as "outside" or positional relationship be that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply signified device or element
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
The meaning of " plurality " is two or more in the description of the present invention, accurate specific unless otherwise
Ground regulation.
The core component of power module pressure energy feedback the two energy storage devices of device and super capacitor energy storage device as in,
There are two different circuit topologies, wherein single-phase bridge arm two-in-parallel phase module circuit is for pressure energy feedback in the energy storage device of ground
Rating of set module, quadruple bi-directional half bridge circuit are used for ground energy storage device super capacitor energy storage device power module, therefore,
Power module in middle pressure energy feedback device and super capacitor energy storage device is both needed to be adapted to corresponding circuit topology.
There is very big difference in the wiring of each component of the power module of different circuit topological structures and component layouts structure etc.,
And need to configure multiple power module, the power of different structure in the entire system for different circuit topologies in the prior art
Module manufacture, use, replacement and in terms of compared to same power module there is very big difference, therefore can bring
It is greatly inconvenient, working efficiency is influenced, being substantially improved for system equipment cost is also resulted in.
To solve the above-mentioned problems, the utility model embodiment provides a kind of power module, avoids the function of different structure
Rate module manufacture, use, replacement and in terms of bring it is inconvenient, further improve assembly efficiency, reduce simultaneously
Energy storage device manufacture, in terms of cost.
The structural representation at the first visual angle when Fig. 1 is power module provided in this embodiment for super capacitor energy storage device
Figure；The structural schematic diagram at the second visual angle when Fig. 2 is power module provided in this embodiment for super capacitor energy storage device；Figure
3 be schematic diagram of internal structure when power module provided in this embodiment is used for super capacitor energy storage device；Fig. 4 is the present embodiment
The structural schematic diagram of driving assembly when the power module of offer is for super capacitor energy storage device；Fig. 5 be the present embodiment provides
Power module be used for super capacitor energy storage device when circuit diagram；Fig. 6 is that power module provided in this embodiment is used for
Explosive view when super capacitor energy storage device；The when Fig. 7 is power module provided in this embodiment for middle pressure energy feedback device
The structural schematic diagram at one visual angle；Fig. 8 is the second visual angle when power module provided in this embodiment presents device for middle pressure energy
Structural schematic diagram；Fig. 9 is schematic diagram of internal structure when power module provided in this embodiment presents device for middle pressure energy；Figure 10
The structural schematic diagram of driving assembly when being power module provided in this embodiment for middle pressure energy feedback device；Figure 11 is this implementation
The circuit diagram when power module that example provides is for middle pressure energy feedback device.
Referring to figs. 1 to shown in Figure 11, power module provided by the embodiment of the utility model, comprising: radiator 1, left frame 2
With correct frame 3, insulated gate bipolar transistor IGBT component 4, stack bus bar 5, driving assembly 6 and Support Capacitor component 7；Wherein,
Left frame 2 and correct frame 3 are mounted on radiator 1, and left frame 2 and correct frame 3 are oppositely arranged；IGBT component 4 is mounted on scattered
On hot device 1, and IGBT component is located at left frame 2 and correct frame 3 is formed by accommodating space, and IGBT component 4 includes four
IGBT；Support Capacitor component 7 is arranged in accommodating space and fixes at least one of left frame 2 and correct frame 3；Lamination
At least a part of replaceable setting of busbar 5 is between Support Capacitor component 7 and IGBT component 4, and stack bus bar 5 and IGBT
Support Capacitor 701 in IGBT and Support Capacitor component 7 in component 4 is electrically connected；Driving assembly 6 is arranged in Support Capacitor group
The outside of part 7, and the both ends of driving assembly 6 are fixed with left frame 2 and correct frame 3 respectively.
Specifically, radiator 1, left frame 2 and correct frame 3, insulated gate bipolar transistor in the power module of the present embodiment
Pipe IGBT component 4, driving assembly 6 and Support Capacitor component 7 are suitable for single-phase bridge arm two-in-parallel phase module circuit and quadruple
Both different circuit topologies of bi-directional half bridge circuit.In other words, for two kinds of different circuit topologies, the power of the present embodiment
Radiator 1, left frame 2 and correct frame 3, insulated gate bipolar transistor IGBT component 4, driving assembly 6 and support electricity in module
Hold the structure of each component in component 7, the whole arrangement of all parts and its wiring path etc. and is applicable not only to middle pressure energy feedback
Device applies also for super capacitor energy storage device.
Wherein, each IGBT in IGBT component 4 is 3300V, 1200A, 190 × 140 standard packaging IGBT, can be at any time
IGBT is changed, but its package dimension need to be consistent.Relative to electric wire, stray inductance is opposite to be reduced for the setting of busbar simultaneously,
Specifically, the stray inductance between busbar is less than 50nH.
Wherein, by the way that Support Capacitor component 7 to be fixed between left frame 2 and correct frame 3, so that Support Capacitor component 7
It can be stably fixed to 1 lower section of radiator, while forming accommodating space between left frame 2 and correct frame 3, so that IGBT component
And the equal components of stack bus bar 5 can be partially housed in the space, so that entire power module is more compact, each component
Layout it is more reasonable.
Core component of the power module of the present embodiment as two kinds of energy storage devices, by radiator 1, left frame 2 and right frame
Frame 3, IGBT component 4, driving assembly 6 and Support Capacitor component 7 are after the assembly is completed, it is only necessary to female to the part in stack bus bar 5
Capable replacement is discharged into, different power modules can be produced, to adapt to different circuit topological structures, and then it is applied respectively
In middle pressure energy feedback device and super capacitor energy storage device, realizes the power module generalization in different energy storage devices, avoid not
Isostructural power module manufacture, use, replacement and in terms of bring it is inconvenient, further reduce components type
And installation procedure, assembly efficiency is improved, but also the operations such as maintenance and replacement are more convenient, energy storage device reduced and is making
The cost of make, repair etc..
Referring to Fig.1 and shown in Figure 11, wherein the stack bus bar 5 in the present embodiment includes positive busbar 501, cathode bus bar
502, positive busbar extends copper bar 503 and cathode bus bar extends copper bar 504.Wherein, positive busbar 501 and cathode bus bar 502
It is electrically connected respectively with two opposite polarity power ends of IGBT, the both ends that positive busbar extends copper bar 503 are female with anode respectively
Row 501 and left frame 2 the first insulator 201 connection, cathode bus bar extend copper bar 504 both ends respectively with cathode bus bar
502 and left frame 2 the second insulator 202 connection.
Connection between the IGBT in each busbar and IGBT component 4 in order to more clearly illustrate stack bus bar 5 is closed
System, is below described in detail IGBT component 4.Specifically, referring to Figure 5, the IGBT component 4 in the present embodiment includes 4
4 IGBT are arranged side by side two-by-two in order to reduce the wiring path of stack bus bar by a IGBT, i.e., two IGBT are arranged in top, under
Two IGBT of side's setting, for the convenience of description, using the IGBT of upper left as the first IGBT, using the IGBT of lower left as
2nd IGBT, using the IGBT of upper right as the 3rd IGBT, using the IGBT of lower right as the 4th IGBT.Specific implementation
When, the pole the C power terminal that one end of positive busbar 501 can be distinguished to the first IGBT and the 3rd IGBT is electrically connected, positive busbar 501
The other end be electrically connected with the capacitor terminal on the Support Capacitor 701 in Support Capacitor component 7；One end of cathode bus bar 502 point
It is not electrically connected with the pole the E power terminal of the 2nd IGBT and the 4th IGBT, the other end and Support Capacitor component 7 of cathode bus bar 502
In Support Capacitor 701 capacitor terminal electrical connection.4 IGBT in IGBT component 4 are arranged side by side two-by-two in the present embodiment,
The connection path being effectively reduced between positive busbar 501 and cathode bus bar 502 and each IGBT, further reduces busbar
Length has saved cost, and makes the layout neat compact of the wiring path and a component inside power module, more
On reduce the overall dimensions of power module, improve the adaptability of the power module of the present embodiment.
Referring to shown in Fig. 2 and Fig. 7, wherein, will be positive female in order to further decrease the space occupancy of entire power module
Row 501 is arranged to the structure of rectangular bending type lamination, positive busbar 501 and the first of cathode bus bar 502 with cathode bus bar 502
Part lamination is arranged between Support Capacitor component 7 and IGBT component 4, make one end of positive busbar 501 and cathode bus bar 502 with
The power terminal of IGBT is electrically connected, and the second part lamination of positive busbar 501 and cathode bus bar 502 is set to Support Capacitor component
7 outside, and the second part of positive busbar 501 and cathode bus bar 502 is oppositely arranged with driving assembly 6, positive busbar 501
Second part is located at the outside of the second part of cathode bus bar 502.Positive busbar is extended into copper bar 503 and cathode bus bar extends copper
Row 504 is disposed side by side on the outside of positive busbar 501 and the second part of cathode bus bar 502, and positive busbar is extended copper bar
503 and cathode bus bar extend one end of copper bar 504 and be connected to the second part of positive busbar 501 and cathode bus bar 502
One end.Wherein, prolong to make the bottom end of the second part of positive busbar 501 and cathode bus bar 502 be more convenient for connecting positive busbar
It stretches copper bar 503 and cathode bus bar extends copper bar 504, the bottom end of the second part of positive busbar 501 can be provided with engaging lug, just
One end that pole busbar extends copper bar 503 is fixed on the engaging lug；At the bottom of the second part for the cathode bus bar 502 for being located inside
End is provided with protrusion engaging lug, which stretches from the bottom end of positive busbar 501, and extends copper bar with cathode bus bar
504 one end connection.
Positive busbar 501 is arranged to the structure of rectangular bending type lamination by the present embodiment with cathode bus bar 502, i.e., will just
Trend of the pole busbar 501 with cathode bus bar 502 along the outer surface of Support Capacitor component 7 is arranged, and not only reduces function in this way
The overall dimensions of rate module, and positive busbar is enabled to extend copper bar 503 and cathode bus bar extension copper bar 504 with shortest road
Diameter is separately connected the insulator on positive and negative anodes busbar and left frame 2, not only reduces busbar dosage in this way, saved manufacture at
This, and the resistance of entire circuit is reduced to a certain extent, optimize entire circuit structure.Meanwhile by positive busbar 501 with
A part of cathode bus bar 502 and positive busbar extend copper bar 503 and cathode bus bar extends copper bar 504 and is both exposed to power mould
The outside of block convenient for work such as assembly, replacement and maintenances, and then improves work efficiency.
Referring to figs. 1 to shown in Fig. 6, when the power module of the present embodiment is used for super capacitor energy storage device, power module
Circuit topology is quadruple bi-directional half bridge circuit, at this point, lamination copper bar 5 in the present embodiment is in addition to above-mentioned positive busbar 501, negative
Pole busbar 502, positive busbar extend copper bar 503 and cathode bus bar extends outside copper bar 504, further includes: the first direct current copper bar
505, the second direct current copper bar 506, the first direct current extend copper bar 507 and the second direct current extends copper bar 508；Referring to shown in Fig. 3,
In, the first direct current copper bar 505 is electrically connected with the C grade of the E grade of the first IGBT and the 2nd IGBT, and the first direct current extends copper bar 507
One end be electrically connected with the first direct current copper bar 505, the first direct current extend copper bar 507 the other end stretched from the opening on correct frame 3
It accommodating space and is connect out with the 4th insulator 301 of correct frame 3；The E grade of second direct current copper bar 506 and the 3rd IGBT and
The C grade of 4th IGBT is electrically connected, and one end that the second direct current extends copper bar 508 is electrically connected with the second direct current copper bar 506, the second direct current
The other end for extending copper bar 508 stretches out accommodating space from the opening on correct frame 3 and connects with the 5th insulator 302 of correct frame 3
It connects.
When the power module of the present embodiment is used for super capacitor energy storage device, positive busbar 501 in stack bus bar 5 and negative
Pole busbar 502, positive busbar extend copper bar 503 and cathode bus bar extends copper bar 504, the first direct current copper bar 505 and the second direct current
Copper bar 506 and the first direct current extend copper bar 507 and the second direct current extends copper bar 508 and quadruple as shown in Figure 5 is collectively formed
Bi-directional half bridge circuit.Wherein, one end that positive busbar extends that copper bar 503 is connect with the first insulator 201 is denoted as DC+, and cathode is female
Row extends one end that copper bar 504 is connect with the second insulator 202 and is denoted as DC-, and the first direct current extends copper bar 507 and the 4th insulator
One end of 301 connections is denoted as CT1, and the second direct current extends one end that copper bar 508 is connect with the 5th insulator 302 and is denoted as CT2.This reality
Using quadruple bi-directional half bridge circuit when applying the power module of example for super capacitor energy storage device, abbreviation half-bridge circuit works as column
When vehicle is braked and direct current network pressure is caused to rise, which is in charge mode, specifically by the electricity of DC grid
It can be the charging of Support Capacitor 701 in Support Capacitor component 7 by the DC+ and DC- of half-bridge circuit, at this point, circuit works in
BUCK state；When class vehicle is drawn and leads to DC grid drops, which is in discharge mode, specifically
The electric energy that Support Capacitor 701 stores is discharged into DC grid by the CT1 and CT2 of half-bridge circuit, circuit works at this time
BOOST state, whole process realize the recycling and reusing of the braking energy of train.
Referring to shown in Fig. 7 to Figure 11, when the power module of the present embodiment is for middle pressure energy feedback device, the circuit of power module
Topology is single-phase bridge arm two-in-parallel phase module circuit, at this point, stack bus bar 5 in the present embodiment in addition to above-mentioned positive busbar 501,
Cathode bus bar 502, positive busbar extend copper bar 503 and cathode bus bar extends outside copper bar 504, further includes 509 He of AC copper-line
Exchange extends copper bar 510；Wherein, AC copper-line 509 is electrically connected and extremely electric with the C of other two IGBT with the E of two IGBT grade
Connection, one end that exchange extends copper bar 510 be electrically connecteds with AC copper-line 509, exchange the other end of extension copper bar 510 from correct frame
Opening on 3 is stretched out accommodating space and is connect with the third insulator 303 of correct frame 3.
When specific implementation, in order to shorten the length of the connection path between AC copper-line 509 and each IGBT, it can will exchange
Copper bar 509 is installed between IGBT component 4 and Support Capacitor component 7, makes 509 one end of AC copper-line and the first IGBT and third
The pole E of IGBT is electrically connected, and 509 other end of AC copper-line is electrically connected with the pole C of the 2nd IGBT and the 4th IGBT, and setting in this way is shortened
The length of connection path, so that the structure more neat compact inside power module.
When the power module of the present embodiment is for middle pressure energy feedback device, the positive busbar 501 and cathode in stack bus bar 5 are female
Row 502, positive busbar, which extend copper bar 503 and extend copper bar 504, AC copper-line 509 with cathode bus bar and exchange extension copper bar 510, to be total to
With formation single-phase bridge arm two-in-parallel phase module circuit as shown in figure 11, wherein positive busbar extends copper bar 503 and the first insulation
One end of 201 connection of son is denoted as P, and cathode bus bar extends one end that copper bar 504 is connect with the second insulator 202 and is denoted as N, and exchange is prolonged
The one end for stretching the connection of 510 third insulator 303 of copper bar is denoted as X.Middle pressure energy feedback inverter mainly uses power electronic devices structure
At high-power thyristor three-phase inverter, DC side, that is, P, the N-terminal of the device are connected with the DC bus in traction substation,
Alternating current inlet wire X is connected on AC network, and when regenerative braking makes contact net DC voltage be more than specified value, inverter startup is from straight
It flows bus and absorbs electric current, regeneration direct current energy is reverse into industrial-frequency alternating current and is fed back to AC network, output voltage is according to system
It is required that being changed；Under traction working condition, ac grid voltage is supplied to DC electric voltage by power module for train.
Since in middle pressure energy feedback device, the circuit topology of power module is single-phase bridge arm two-in-parallel phase module circuit, and
In super capacitor energy storage device, the circuit topology of power module is quadruple bi-directional half bridge circuit, therefore in power module
Circuit connecting mode between each IGBT can have differences.Specifically, as shown in Figures 1 to 6, when the power mould of the present embodiment
When block is used for super capacitor energy storage device, pass through the first direct current copper bar 505 between the E grade of the first IGBT and the C grade of the 2nd IGBT
Electrical connection, and the first direct current copper bar 505 is extended into the 4th insulator 301 that copper bar 507 is external to correct frame 3 by the first direct current
On, it is electrically connected between the E grade and the C grade of the 4th IGBT of the 3rd IGBT by the second direct current copper bar 506, and by the second direct current copper
Row 506 extends copper bar 508 by the second direct current and is external on the 5th insulator 302 of correct frame 3, and then realizes half-bridge circuit.
As shown in figs. 7 to 11, when the power module of the present embodiment is for middle pressure energy feedback device, first in stack bus bar 5 is straight
Stream copper bar 505 and the second direct current copper bar 506 replace with an AC copper-line 509, and AC copper-line 509 is connected four jointly
IGBT, i.e. 509 one end of AC copper-line are electrically connected with the pole E of the first IGBT and the 3rd IGBT, 509 other end of AC copper-line and second
The electrical connection of the pole C of IGBT and the 4th IGBT is realized short between the first IGBT and the 2nd IGBT and the 3rd IGBT and the 4th IGBT
It connects, meanwhile, the first direct current extension copper bar 507 is replaced with one with the second direct current extension copper bar 508 and exchanges extension copper bar 510,
Make AC copper-line 509 extend copper bar 510 by exchange to be external on the third insulator 303 of correct frame 3, to realize single-phase bridge
Arm two-in-parallel phase module circuit.The power module of the present embodiment makes it produce difference by the replacement of part stack bus bar 5
The power module of structure realizes the versatility of the power module to adapt to different energy storage devices.
In order to reduce the replacement number of components, the stack bus bar 5 in the power module of the present embodiment can be provided directly as
It can be directly by the first direct current when pressure energy presents device in being used for the power module for the structure of super capacitor energy storage device
Copper bar 505 and the second direct current copper bar 506 are shorted, while the first direct current extension copper bar 507 and the second direct current extension copper bar 508 is short
Connect so that the power module can also be used as in pressure energy feedback device core component carry out energy recycling and reusing.
In the present embodiment, gate pole configuration plate is provided with above each IGBT；Driving assembly 6 includes 601 He of driving plate
Power detecting plate 602, driving plate 601 configures plate with gate pole respectively and power detecting plate 602 is electrically connected.
Specifically, power detecting plate 602 is electrically connected with driving plate 601, its driving plate 601 is made to provide driving power.Door
Pole configuration plate can be fixed on each IGBT by two M4 screws, and driving plate 601 configures plate by electrical connection gate pole to drive
IABT, to adjust IGBT switching waveform.Wherein, gate pole configuration plate and driving plate 601 can be replaced arbitrarily, but its outer dimension needs to protect
It holds unanimously, driving is impacted to avoid changing before and after the size of gate pole configuration plate and driving plate 601.Driving plate 601
Quantity can be consistent with the quantity of IGBT, i.e. driving plate 601 drives an IGBT；Because in middle pressure energy feedback device
The circuit topology of power module is single-phase bridge arm two-in-parallel phase module circuit, i.e. four IGBT are in parallel two-by-two, therefore works as this implementation
When the power module of example is for middle pressure energy feedback device, the driving plate 601 can be set to 2,1 driving plate 601 drives 2 simultaneously
A IGBT.For example, one of driving plate 601 drives the 2nd IGBT and the 4th IGBT simultaneously, another driving plate 601 is driven simultaneously
Dynamic first IGBT and the 3rd IGBT.In order to keep each driving plate 601 consistent with the gate pole configuration wire length of plate, by driving plate
601 are uniformly distributed in the two sides of power detecting plate 602, and the difference that can reduce wire length in this way impacts driving.
Referring to shown in Fig. 4 and Figure 10, the driving assembly 6 of the present embodiment further includes driving plate mounting plate 603, insulation board 604
And protective cover 605；Driving plate mounting plate 603 is fixed in left frame 2 and correct frame 3；Insulation board 604 is mounted on driving plate peace
In loading board 603；Driving plate 601 and power detecting plate 602 are installed on insulation board 604；Protective cover 605 is located at driving plate
601 and power detecting plate 602 outside.
Specifically, driving plate 601 and power detecting plate 602 are fixed on driving plate mounting plate 603, so that entire driving
Component 6 is more convenient for dismantling.Driving plate mounting plate 603 is fixed on Support Capacitor component 7 and deviates from positive busbar 501 and cathode bus bar
The side of 502 second part, convenient for mutually electric between the various components in driving plate 601 and power detecting plate 602 and IGBT
Connection.Wherein, insulation board 604 is installed on driving plate mounting plate 603 by insulation padding pole, then driving plate 601 and power supply are examined
Drafting board 602 is respectively arranged on insulation board 604.Since driving assembly 6 is the outside positioned at Support Capacitor component 7, be directly with
Operator contact component, therefore in order to avoid in driving assembly 6 driving plate 601 and power detecting plate 602 to operator
Protective cover 605 is arranged in the outside of driving plate 601 and power detecting plate 602, to play the role of protection in the accidental injury of member.
In the present embodiment, the thermistor of the substrate temperature for detecting radiator 1 is provided on the substrate of radiator 1,
And thermistor is located at the side of IGBT, power detecting plate 602 is electrically connected with thermistor.
Specifically, thermistor is arranged in the side in IGBT, it is to be converted by the substrate temperature for measuring radiator 1
IGBT internal temperature out, power detecting plate 602 are connect with thermistor, in this way can be straight for exporting the numerical value of thermistor
Whether the internal temperature for judging IGBT of sight is more than junction temperature.The quantity of thermistor can be according to requiring to be adjusted, for example, temperature-sensitive
It resistance settable 1, is disposed at an IGBT side, may also set up 4 thermistors, i.e., it is equal in the side of each IGBT
One thermistor is set, so that the internal temperature of each IGBT can be observed through power detecting version 602, just can in this way
Enough significantly more efficient each IGBT of protection are not burned.
In order to avoid between connecting line and driving plate 601 and gate pole the configuration plate of power detecting plate 602 and thermistor
Connecting line mutually winds and influences entire operating circuit, along the one circle wiring frame 8 of setting in substrate one week of radiator 1, by driving group
Each connecting line between part 6 and IGBT is each attached on wiring frame 8, not only prevents twining mutually for each connecting line in this way
Around, while also avoiding each connecting line and being covered on the parts surfaces such as gate pole configuration plate, thermistor and influence all parts
It works normally.
Referring to shown in Fig. 6, the Support Capacitor component 7 in the present embodiment includes Support Capacitor 701 and braced frame 702,
Support Capacitor 701 is installed in braced frame 702, and braced frame 702 is then installed in left frame 2 and correct frame 3.
Specifically, the Support Capacitor 701 is since Support Capacitor 701 is heavier, Support Capacitor 701 is first fixed on branch
In support frame frame 702, then it is fixed in left frame 2 and correct frame 3 by the braced frame 702.Wherein, the braced frame 702
Structure can be to be a variety of, for example, the braced frame 702 includes two side frames 703, two side frames 703 are fixed by bolts in branch
It supports capacitor 701 and is respectively set 4 close to the two sides of left and right frame, while at the outer rim of the upper and lower surface of Support Capacitor 701 one week
The both ends of each corner bracket 704 can be fixed by bolts on side frame 703 by corner bracket 704, and side frame 703 and corner bracket 704 are collectively formed
Braced frame 702.When installation, side frame 703 is fixed by bolts on the frame of left and right, and by the both ends of each corner bracket 704
Be both secured on the frame of left and right and the substrate of radiator 1 on so that Support Capacitor 701 can with vertical direction in the horizontal direction
It is effectively supported, further improves the overall stability of the power module of the present embodiment.
Radiator 1 in the present embodiment can be composite phase-change radiator, which is a kind of high performance
Heat pipe class radiator, heat dissipation performance is higher, is to be cooled down using forced air cooling to heat, 1 outer wind channel of radiator, protection
Grade is IP20 or more.The heat dissipation general power of the composite phase-change radiator is 10.5kW, and heat-radiating substrate is in heat flow density 100kW/
m2Under the conditions of maximum temperature rise be no more than 40K.
Power module provided in this embodiment includes radiator, left frame and correct frame, insulated gate bipolar transistor IGBT
Component, stack bus bar, driving assembly and Support Capacitor component；Wherein, left frame and correct frame are installed on a heat sink, and left frame
Frame and correct frame are oppositely arranged；IGBT component is installed on a heat sink, and IGBT component is located at left frame and correct frame is formed
Accommodating space in, IGBT component include four IGBT；Support Capacitor component be arranged in accommodating space and with left frame and the right side
At least one of frame is fixed；At least a part of replaceable setting of stack bus bar is in Support Capacitor component and IGBT component
Between, and stack bus bar is electrically connected with the Support Capacitor in the IGBT and Support Capacitor component in IGBT component；Driving assembly
The outside of Support Capacitor component is set, and the both ends of driving assembly are fixed with left frame and correct frame respectively.The utility model
By by the position rearrangement of all parts such as the IGBT of power module, Support Capacitor group valence, so that the function of the utility model
Only removable parts stack bus bar can produce the power module for adapting to different circuit topologies to rate module, realize different energy storage devices
In power module generalization, avoid the power module of different structure manufacture, use, replacement and in terms of bring
Inconvenience further improves assembly efficiency, at the same reduce energy storage device manufacture, in terms of cost.
The utility model also provides a kind of energy storage device, can be using the power module in above-described embodiment, specifically, originally
Energy storage device in embodiment, including power module described in previous embodiment, the energy storage device be middle pressure energy present device or
Super capacitor energy storage device.
Specifically, middle pressure energy feedback device and super capacitor energy storage device are as two kinds of energy storage devices, core component therein
Power module is that the recycling and reuse of the braking energy of train play a key role, and different energy storage devices need to install difference
The power module of structure, to adapt to different circuit topologies, but the power module of different structure is in manufacture, use, replacement and dimension
Shield etc. is brought greatly inconvenient and influences working efficiency.To solve the above-mentioned problems, by the power mould in above-described embodiment
Block is applied in the energy storage device, and the part stack bus bar that operator only needs to change the power module can make it be applied to two
In the different energy storage device of kind, the power module generalization realized in different energy storage devices is realized.Wherein, the power module
The specific substitute mode of stack bus bar no longer repeats one by one herein referring to the content of previous embodiment.
Wherein, the mounting means between the power module and energy storage device be can be a variety of.For example, power module is installed
It is pushed into the cabinet of energy storage device on guide rail, and by guide rail, can also install and slide far from the lower end of radiator 1 in left and right frame
The power module is pushed into cabinet by wheel by pulley, then the mounting hole by opening up on radiator base plate is by the power module
It is fixed in cabinet.
In the present embodiment, energy storage device includes power module described in previous embodiment, which is the feedback of middle pressure energy
Device or super capacitor energy storage device, so that the power module generalization in different energy storage devices, avoids different structure
Power module manufacture, use, replacement and in terms of bring it is inconvenient, further improve assembly efficiency, drop simultaneously
Low energy storage device manufacture, in terms of cost.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of power module characterized by comprising radiator, left frame and correct frame, insulated gate bipolar transistor IGBT
Component, stack bus bar, driving assembly and Support Capacitor component；Wherein,
The left frame and correct frame are mounted on the radiator, and the left frame and correct frame are oppositely arranged；
The IGBT component is mounted on the radiator, and the IGBT component is located at the left frame and correct frame is formed
Accommodating space in, the IGBT component include four IGBT；
The Support Capacitor component setting is in the accommodating space and solid at least one of the left frame and correct frame
It is fixed；
At least a part of replaceable setting of stack bus bar between the Support Capacitor component and the IGBT component,
And the stack bus bar is electrically connected with the Support Capacitor in the IGBT and the Support Capacitor component in the IGBT component；
The driving component is arranged in the outside of the Support Capacitor component, and the both ends of the driving component respectively with the left side
Frame and correct frame are fixed.
2. power module according to claim 1, which is characterized in that the stack bus bar includes positive busbar, cathode mother
Row, positive busbar extend copper bar and cathode bus bar extends copper bar；
The of the anode busbar and rectangular bending type laminated construction of the cathode bus bar, the anode busbar and cathode bus bar
A part of lamination is arranged between the Support Capacitor component and the IGBT component, and the of the anode busbar and cathode bus bar
Two part laminations are set to the outside of the Support Capacitor component, and the second part of the positive busbar and the cathode bus bar
It is oppositely arranged with the driving component；
The anode busbar and cathode bus bar are electrically connected with two opposite polarity power ends of the IGBT respectively；
The both ends that the anode busbar extends copper bar connect with the positive busbar and the first insulator of the left frame respectively
It connects；
The both ends that the cathode bus bar extends copper bar connect with the cathode bus bar and the second insulator of the left frame respectively
It connects.
3. power module according to claim 2, which is characterized in that the stack bus bar includes: AC copper-line and exchange
Extend copper bar；The AC copper-line is electrically connected with the E of two IGBT grade and is electrically connected with the pole C of IGBT described in other two
It connects；One end that the exchange extends copper bar be electrically connected with the AC copper-line, and the other end for exchanging extension copper bar is from described
Opening on correct frame is stretched out the accommodating space and is connect with the third insulator of the correct frame.
4. power module according to claim 2, which is characterized in that the stack bus bar includes: the first direct current copper bar,
Two direct current copper bars, the first direct current extend copper bar and the second direct current extends copper bar；
First direct current copper bar is electrically connected with the C grade of the E of first IGBT grade and second IGBT, and described
Curtain coating is stretched one end of copper bar and is electrically connected with first direct current copper bar always, and the other end of the first direct current extension copper bar is from institute
The opening on correct frame is stated to stretch out the accommodating space and connect with the 4th insulator of the correct frame；
Second direct current copper bar and third the E grade of the IGBT and the C grade of the 4th IGBT are electrically connected, and described the
One end that two direct currents extend copper bar is electrically connected with second direct current copper bar, and the other end of second direct current extension copper bar is from institute
The opening on correct frame is stated to stretch out the accommodating space and connect with the 5th insulator of the correct frame.
5. power module according to claim 1-4, which is characterized in that be respectively provided with above each IGBT
There is gate pole to configure plate；The driving component includes: driving plate and power detecting plate, and the driving plate is configured with the gate pole respectively
Plate and the electrical connection of power detecting plate.
6. power module according to claim 5, which is characterized in that the driving component further include: driving plate mounting plate,
Insulation board and protective cover；
The driving plate mounting plate is fixed on the left frame and correct frame；The insulation board is mounted on the driving plate installation
On plate；
The driving plate and the power detecting plate are installed on the insulation board；The protective cover is located at the driving plate
With the outside of the power detecting plate.
7. power module according to claim 5, which is characterized in that be provided on the substrate of the radiator for detecting
The thermistor of the substrate temperature of radiator is stated, and the thermistor is located at the side of the IGBT, the power detecting plate
It is electrically connected with the thermistor.
8. power module according to claim 1-4, which is characterized in that the Support Capacitor component includes: branch
Support capacitor and braced frame, the Support Capacitor are installed in the braced frame, and the braced frame is then installed on described
In left frame and correct frame.
9. power module according to claim 1-4, which is characterized in that the radiator is composite phase-change heat dissipation
Device.
10. a kind of energy storage device, which is characterized in that including such as described in any item power modules of claim 1-9, the energy storage
Equipment is that middle pressure energy presents device or super capacitor energy storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821807027.1U CN209217958U (en) | 2018-11-05 | 2018-11-05 | Energy storage device and its power module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821807027.1U CN209217958U (en) | 2018-11-05 | 2018-11-05 | Energy storage device and its power module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211699A (en) * | 2020-01-16 | 2020-05-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Power module of multiphase H-bridge high-power-density frequency converter |
-
2018
- 2018-11-05 CN CN201821807027.1U patent/CN209217958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211699A (en) * | 2020-01-16 | 2020-05-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Power module of multiphase H-bridge high-power-density frequency converter |
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