CN106341052A - Inverter assembly - Google Patents
Inverter assembly Download PDFInfo
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- CN106341052A CN106341052A CN201610951606.2A CN201610951606A CN106341052A CN 106341052 A CN106341052 A CN 106341052A CN 201610951606 A CN201610951606 A CN 201610951606A CN 106341052 A CN106341052 A CN 106341052A
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- Prior art keywords
- busbar
- tab
- component
- output
- sub
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
- H05K7/14329—Housings specially adapted for power drive units or power converters specially adapted for the configuration of power bus bars
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a power inverter assembly. The inverter assembly includes a housing which includes a DC input bus bar sub-assembly; a three phase output AC bus bar sub-assembly; DC link capacitor, which is in electrical connection to the DC input bus bar sub-assembly; a second DC input bus bar sub-assembly which electrically couple the DC link capacitor with the power modules which are in electrical connection to the three phase output AC bus bar sub-assembly; and a cooling sub-assembly which is connected to the power modules.
Description
This divisional application is based on Application No. 201510862459.7, and the applying date is on December 1st, 2015, denomination of invention
Divisional application for the Chinese patent application of " inverter assembly ".
Technical field
Present invention relates generally to a kind of inverter assembly, more specifically still it is related to a kind of such a inversion to untethered
Device assembly, described inverter assembly includes being configured to direct current input is converted to the structure of three-phase alternating current output.
Background technology
Being currently, there are many kinds needs to be converted into exchanging the application of output by direct current input.For example, such as fuel cell system
The DC source of system, battery and/or ultracapacitor can produce unidirectional current, and unidirectional current must be converted into such as three-phase alternating current
The exchange output of output, to be supplied to AC load, such as the three-phase alternating current in electric automobile or hybrid vehicle
Machine.Most traditional inverter design are not suitable for electric automobile purposes, and reason is their larger floor space
And relatively low power capacity (footprint).Therefore, it is desirable to obtain a kind of electric power that can provide abundance for electric automobile application
And there is less floor space in order to the inverter assembly encapsulating.
Content of the invention
According to multiple embodiments, the invention discloses a kind of inverter assembly, comprising: (a) housing, described housing dress
Have: (i) direct current input busbar sub-component；(ii) three-phase output AC busbar sub-component；(iii) DC bus capacitor device, its
It is electrically connected to direct current input busbar sub-component；(iv) the second direct current busbar sub-component, its electrical connection DC bus capacitor device with
Multiple power modules, wherein, multiple power modules are electrically connectable to three-phase output AC busbar sub-component；(v) cool down
Sub-component, described cooling sub-component and multiple power modules are connected.
Preferably, described three-phase output AC busbar sub-component includes the output tab of three almost symmetries, each institute
State the single-phase that output tab all carries the ac supply signal being produced by the plurality of power module.
Preferably, described three-phase output AC busbar sub-component includes three busbars, in described three busbars
Each all includes: bar main body, and described bar main body has front surface and rear surface；Spaced multiple power module is dashed forward
Piece, the first power module phase of the first power module tab in the plurality of power module tab and described inverter assembly
Connection, and the second source module of the second source module tab in the plurality of power module tab and described inverter assembly
It is connected, the plurality of power module tab is extended described rear surface；With output tab, described output tab is from described front table
Face extends；And the second remittance in described three busbars for the bar agent localization of the first busbar in described three busbars
After the bar main body of stream bar, and the 3rd busbar in described three busbars is positioned at the institute in described three busbars
State before the second busbar.
Preferably, described second direct current busbar sub-component includes a pair of busbar, each in the pair of busbar
Individual all include: bar main body；Multiple input tabs, the plurality of input tab extends from the first end of described bar main body, described
Multiple input tabs are connected to described DC bus capacitor device；With multiple output tabs, wherein said multiple output tabs with respect to
It is arranged at each other on the relative both sides of described bar main body；The described bar main body of the pair of busbar is mutually overlapping up and down but phase
Mutually it is spaced apart；And multiple input tabs of the first busbar in the pair of busbar are arranged to and the pair of busbar
In the second busbar the multiple input tabs relation that strikes a bargain for and align.
Preferably, multiple output tabs of described first busbar in the pair of busbar and the pair of busbar
In described second busbar multiple output tabs adjacent.
Preferably, one of described first busbar in the pair of busbar output tab and adjacent thereto described
One output tab of described second busbar in a pair of busbar is electrically connected to one of the plurality of power module electricity
Source module.
Preferably, described inverter assembly also includes gate driver circuit plate, wherein, the plurality of power module electrical connection
To described gate driver circuit plate.
Preferably, described gate driver circuit plate has recess, to accommodate the many of described second direct current busbar sub-component
Individual output tab.
Preferably, the thermal component of the plurality of power module is arranged in the chamber being formed by the side wall of described cooling sub-component
In, wherein, it is arranged in packing ring between the plurality of power module and gate driver circuit plate by the fluid isolation of described intracavity.
Preferably, described cooling sub-component includes input port and delivery outlet, and described input port and described delivery outlet are arranged in
The middle part of described housing, and be arranged between the thermal component of the plurality of power module.
Preferably, described cooling sub-component includes: input port, described input port is arranged in the first of the downside of described housing
On end；And delivery outlet, described delivery outlet is arranged on the second end of described downside of described housing.
Preferably, described inverter assembly also includes terminal block, and described terminal block supports ground to connect described direct current input remittance
Stream bar sub-component and the lower casing of described housing.
Preferably, described inverter assembly also includes positive pole output busbar and negative pole output busbar, and described positive pole is defeated
Go out busbar and described negative pole output busbar is embedded in described DC bus capacitor device, wherein, described positive pole exports busbar
Export multiple input tabs that busbar is electrically connected to described second direct current busbar sub-component with described negative pole.
Preferably, described direct current input busbar sub-component is electrically connected with the first connector and the second connector, and described the
Each of a connection piece and described second connector are all embedded in described DC bus capacitor device at least in part.
Preferably, described direct current input busbar sub-component includes a pair of busbar, each in the pair of busbar
Busbar all includes: input tab；Output tab；With bar main body, described input tab alignd with the first paragraph of described bar main body
Ground extends, and the second segment that described output tab is orthogonal to described bar main body extends.
According to some embodiments, the invention discloses a kind of inverter assembly, comprising: (a) housing, described housing dress
Have: (i) direct current input busbar sub-component；(ii) three-phase output AC busbar sub-component, described three-phase output AC confluxes
Bar sub-component has the output tab being symmetrically arranged, and each output tab all carries the single-phase of ac supply signal；(iii)
DC bus capacitor device, it is electrically connected to direct current input busbar sub-component；(iv) gate driver circuit plate；(v) multiple power supply mould
Block, the plurality of power module is installed on gate driver circuit plate, and the plurality of power module produces described alternating current power supply letter
Number；(vi) the second direct current busbar sub-component, DC bus capacitor device is electrically connected by it with multiple power modules, wherein, described
Multiple power modules are electrically connectable to described three-phase output AC busbar sub-component.
Preferably, described gate driver circuit plate includes recess, and described recess allows the input of the plurality of power module
Tab is directly connected to multiple positive pole output tabs of described second direct current busbar sub-component and negative pole output tab.
Preferably, described gate driver circuit plate includes additional recesses, and described additional recesses allow described three-phase output to hand over
The power module tab of stream busbar sub-component is directly connected to the output tab of the plurality of power module.
Preferably, described DC bus capacitor device is fixed by encapsulating material.
According to some embodiments, the invention discloses a kind of inverter assembly, it includes (a) housing, and described housing can
Including lid and lower casing, wherein, lower casing accommodates: (i) direct current input busbar sub-component, and described direct current inputs the strip that confluxes
Assembly is installed on the side wall of the lower casing of housing；(ii) DC bus capacitor device, described DC bus capacitor device utilizes a pair of connection
Part is electrically connected to direct current input busbar sub-component, and the pair of connector extends up to direct current input busbar sub-component,
Described DC bus capacitor device is packaged in the space of housing；(iii) gate driver circuit plate；(iv) multiple power modules, institute
State the downside that multiple power modules are arranged on gate driver circuit plate, the plurality of power module connects using from DC bus capacitor device
The DC source receiving produces ac supply signal；(v) second direct current busbar sub-component, described second direct current busbar subgroup
DC bus capacitor device is electrically connected by part with multiple power modules, and wherein, the second direct current busbar sub-component up bridges grid
Drive circuit board and DC bus capacitor device；(vi) three-phase output AC busbar sub-component, described three-phase output AC confluxes
Bar sub-component includes three busbars, and described three busbars can be physically separated from each other out, and described three busbars all include
Linearly aligned power module tab, described power module tab is electrically connected with the linearly aligned lead-out terminal of multiple power modules
Connect, wherein, three busbars also include exporting tab, each described output tab all carries the single of described ac supply signal
Phase.
Brief description
Shown in the drawings of certain embodiments of the present invention.It should be appreciated that accompanying drawing is not necessarily to scale, and
Can omit to understand this technology be not required or lead to indigestion other details details.It should be appreciated that this
Bright technology is not limited to the specific embodiment being shown in which.
Fig. 1 is the perspective view of the exemplary drivetrain of the inverter assembly that can include the present invention；
Fig. 2 is the perspective view of exemplary inverter assembly；
Fig. 3 is the decomposition diagram of the exemplary inverter assembly of Fig. 2；
Fig. 4 is the upturned view of the exemplary inverter assembly removing top cover；
Fig. 5 a, 5b and 5c are the different views of exemplary DC busbar sub-component；
Fig. 6 is the perspective view of a part for another exemplary DC busbar sub-component；
Fig. 7 is attached to the perspective view of the exemplary DC bus sub-component of cable；
Fig. 8 shows the top view of the exemplary DC side capacitors of inverter assembly, and wherein, DC bus capacitor device can
To include capacitor bank；
Fig. 9 a is the perspective view connecting DC bus capacitor device and the exemplary DC input busbar of power module；
Fig. 9 b is the decomposition diagram of another exemplary DC input busbar of Fig. 9 a；
Fig. 9 c is the sectional view of the exemplary DC input busbar of Fig. 9 a and Fig. 9 b；
The exemplary DC that Figure 10 is mounted in inverter assembly inputs the perspective view of busbar；
Figure 11 is the partial, exploded perspective view of exemplary electrical source module；
Figure 12 is the perspective view of exemplary three-phase output AC busbar sub-component；
Figure 13 is another perspective view of exemplary three-phase output AC busbar sub-component；
Figure 14 is the perspective view of exemplary three busbar of three-phase output AC busbar sub-component；
Figure 15 is mounted to upturned the regarding of the exemplary three-phase output AC busbar sub-component in inverter assembly
Figure；
Figure 16 is the perspective view of the exemplary three-phase output AC busbar sub-component being connected with cable；
Figure 17 is the decomposition view of exemplary cooling assembly；
Figure 18 a to Figure 18 c shows exemplary replacement cooling assembly.
Specific embodiment
Although the technology of the present invention can embodiment in a multitude of different ways be implemented, if illustrate only in the accompanying drawings
Dry specific embodiment and only these specific embodiments are described in detail in the description it should be appreciated that the disclosure only
For an example of the know-why of the present invention, rather than the technology of the present invention is confined to institute's embodiment illustrated.
Term as used herein only for describing specific embodiment, and not as restriction of this disclosure.When here uses
When, unless otherwise stated, singulative " one " and " described " also aim to including plural form.It is to be further understood that working as
When using in description, there is feature, integer, step, operation, element and/or the part of statement in term " inclusion " regulation, but simultaneously
Do not exclude the presence of or add one or more of the other feature, integer, step, operation, element, part and/or combinations thereof.
It should be appreciated that being presented with like reference characters same or like referred in this in all of the figs
Element and/or part.It is to be further understood that some in accompanying drawing are only the exemplary expressions of the disclosure.Therefore, for image
Clearly, some in part may be inconsistent with their actual size.
On the whole, it relates to a kind of inverter assembly and their manufacture method and purposes.Exemplary inversion
Device assembly can include symmetrical structure, and described symmetrical structure is configured to for direct-current input power supplying to be converted into exchange output electricity
Source.
Some embodiments can include symmetrical direct current input unit, symmetrical exchange output section, gate driver circuit plate and
Controller.Gate driver circuit plate and controller can be connected with two inverter power supply modules in parallel.Described power module
Electric current considerably beyond 400 amperes of rms (root-mean-square) can be provided, and in various embodiments, each power module
To include igbt (insulated gate bipolar transistor) or other suitable element, for DC current is converted into alternating current
Stream.Total rms current can exceed the root-mean-square electricity that generally can obtain using the power module that can buy on single market
Stream.Direct current input unit can include direct current inlet highway and dc bus sub-component.Dc bus sub-component can have layering
The symmetrical structure of design, described symmetrical structure includes substantially overlapped positive plate and negative plate.Positive plate can pass through
Multiple positive poles input the positive terminal that tab is connected to direct current inlet highway.Negative plate can input tab connection by multiple negative poles
It is connected to the negative terminal of direct current inlet highway.Positive plate can have the input terminal being connected to two inverter power supply modules
Two or more positive poles output tab and two or more negative poles export tab.
Exchange output section can include many output busbars, and every output busbar is respectively provided with symmetrical structure.One
In individual embodiment, exchange output section can provide three-phase alternating current source signal.Each in output busbar all can correspond to
In one of three-phase alternating current source signal passage (phase).Every busbar may each comprise: two input tabs, described two
Input tab is connected to the lead-out terminal of every passage of two inverter power supply modules；With output tab, described output tab
It is connected to the AC output terminal of inverter.Output tab can be arranged to exchange two input tab phases of busbar with every
Away from approximately the same distance.It is described more fully these and other advantage of the disclosure below with reference to accompanying drawings.
Referring now to Fig. 1, it illustrates the positioning of two inverter assemblies (for example exemplary inverter assembly 102).
Inverter assembly can be arranged in exemplary power train 104.
Fig. 2 and Fig. 3 collectively illustrates exemplary inverter assembly 102, and described inverter assembly 102 can include housing
106, described housing 106 can include lower casing 108 and lid 110.
Fig. 4 is the upturned view of exemplary inverter assembly 102, wherein, removes lid 110, to expose inversion
The internal part of device assembly 102.In certain embodiments, inverter assembly 102 can include dc bus sub-component (referred herein to
Make " direct current busbar 112 "), (it can include capacitor bank, and is also referred to as DC side electricity for DC bus capacitor device 114
Container group 114), direct current input busbar sub-component 170, gate driver circuit plate 116 and three-phase output AC busbar subgroup
Part 118.
Fig. 5 a to Fig. 5 c collectively illustrates exemplary direct current busbar 112, and described direct current busbar 112 can include one
To busbar, i.e. positive bus bar 120 and negative bus bar 122.It is prominent that each of these busbars may each comprise input
Piece and output tab.For example, positive bus bar 120 can include positive pole input tab 124 and positive pole output tab 126, and bears
Pole busbar 122 can include negative pole input tab 128 and negative pole output tab 130.
Positive bus bar 120 and negative bus bar 122 both of which can have bar main body, and described bar main body is corresponding at them
Input tab and output tab between extend.In one embodiment, positive bus bar 120 can have positive pole bar main body
132, and negative bus bar can include negative pole bar main body 134.
In certain embodiments, the shape of positive bus bar 120 and negative bus bar 122 is mutually similar.Positive bus bar
120 and 122 liang of negative bus bar this all can have first paragraph and second segment.For example, positive bus bar 120 can have first
Section 136 and second segment 138.In certain embodiments, first paragraph 136 and second segment 138 may be positioned such that relative to each other basic
Construction at a right angle.That is, first paragraph 136 vertically can extend from second segment 138.
Negative bus bar 122 can include first paragraph 140 and second segment 142.In certain embodiments, first paragraph 140 He
Second segment 142 can be positioned relative to each other into general right angle relation.
Input tab in both positive bus bar 120 and negative bus bar 122 extends from their corresponding bar main bodys.Example
As positive pole input tab 124 can be extended with the mode of the linear arrangement of first paragraph 136 of positive pole bar main body 132.Positive pole exports
Tab 126 can extend back from the second segment 138 of positive bus bar 120.
Positive bus bar 120 and negative bus bar 122 can be positioned to the relation cooperating so that positive bus bar
120 can be nested in negative bus bar 122 in the state of being electrically insulated with described negative bus bar 122.Positive pole bar main body 132
There may be space and negative pole bar main body 134 between.The size in this space can be minimized, this can reduce direct current busbar
The 112 inductance and noise pickup of the stray magnetic field from inverter inside the shell can be minimized.
In one embodiment, the negative pole output tab 130 of negative bus bar 122 can be biased to negative pole bar main body 134
Second segment 142 side.On the contrary, the positive pole output tab 126 of positive bus bar 120 can be biased to positive pole bar main body
The side of 132 second segment 138.In one embodiment, negative pole output tab 130 and positive pole output tab 126 can be due to
Their positioning in the corresponding side of the bar main body being associated with and be spaced from each other.Similarly, positive pole input tab 124 He
Negative pole input tab 128 can be spaced from each other, and can be separately secured to terminal block, and this will retouch in greater detail below
State.
In certain embodiments, such as mylar can be used in the space between positive pole bar main body 132 and negative pole bar main body 134tm
The electrical insulator filling of film.Equally, the surface facing with each other of positive pole bar main body 132 and negative pole bar main body 134 can be coated with
Electrical insulation material layer, rather than arrange electricity between the surface facing with each other of positive pole bar main body 132 and negative pole bar main body 134 absolutely
Edge layer.
In certain embodiments, the first paragraph 140 of the first paragraph 136 of positive pole bar main body 132 and negative pole bar main body 134 can
Surrounded by input core 149 at least in part.Input core 149 can be configured to contact jaw sub-block 146, the pair of busbar
It is mountable on described terminal block 146.
For example, terminal block 146 can provide the installation surface supporting direct current busbar 112.Terminal block 146 is mountable to
On the lower support element 148 of the medial wall of lower casing 108 and lower casing 108.
In certain embodiments, input core 149 can be fixed to terminal block 146 using pressing plate 159.Pad 152 can
It is arranged between input core 149 and pressing plate 150.In one embodiment, pad 152 can be foam silico briquette, although according to
The disclosure equally can utilize other materials well known by persons skilled in the art.
Another example of direct current busbar 112 is shown in Fig. 6.In this embodiment, input tab 141 and 143
Can be outward-dipping upwards from bar main body along datum line a, rather than linear arrangement.And, input tab 141 and 143 can
Extend from the lateral edges of bar main body, and export tab 145 and 147 and can extend as the crow flies with datum line b.Really, datum line a
Can be substantially orthogonal to each other with datum line b.
With reference to Fig. 7, positive pole input tab 124 inputs tab 128 with negative pole and can as illustrated become respectively and input
Cable 158 and 160 is connected.
Fig. 8 shows the top view of the exemplary DC bus capacitor device 114 of inverter assembly, wherein, DC side electricity
Container can include capacitor bank.As shown in figure 8, in certain embodiments, direct current busbar 112 can pass through the first connector
154 and second connector 156 be electrically connected to DC bus capacitor device 114.(the polarity arrangement side being provided according to direct current busbar 112
Case, the first connector 154 and the second connector 156 may each be positive pole connector or anode connector).According to some enforcements
Example, the first connector 154 and the second connector 156 can be connected to or be embedded in DC bus capacitor device 114.Certainly, directly
Stream side capacitors 114 can be encapsulated in the appropriate location in lower casing 108；First connector 154 and the second connector 156 are in envelope
Dress is embedded in DC bus capacitor device 114 during processing.
In addition, positive pole output busbar 162 can export busbar 164 together with negative pole is embedded into DC bus capacitor device
In 114.Positive pole output busbar 162 and negative pole output busbar 164 include multiple output tabs.For example, positive pole output is confluxed
Bar 162 can include positive pole output tab 166a-166c, and negative pole output busbar 164 can include negative pole output tab
168a-168c.In certain embodiments, positive pole output tab 166a-166c and negative pole output tab 168a-168c can position
Become to be in linear arrangement.It is only used as an example, positive pole output tab 166a-166c and negative pole output tab 168a-168c
Also alternatively it is located so that negative pole output tab 168a can be positioned at positive pole output tab 166a and positive pole output tab
Between 166b.
In some cases, DC bus capacitor device 114 can be packaged in space 169.In one embodiment, direct current
Side capacitors 114 are fixed in space 169 by encapsulating material, and described encapsulating material can include the mixed of polyhydric alcohol and isocyanates
Compound.In certain embodiments, encapsulating material can include 100 parts of polyhydric alcohol than 20 parts of isocyanates.DC bus capacitor equipment
Material can be filled in space 169, and reaches the height of the 45mm to 50mm below the top edge of space 169.In various embodiments
In, DC bus capacitor equipment material can solidify 2 hours or Celsius 100 in 25 degrees Celsius of solidifications 24 hours, at 60 degrees Celsius
Degree solidification 20 to 30 minutes.
Referring now to Fig. 9 a to Figure 10, it illustrates an exemplary direct current input busbar sub-component 170.Direct current is defeated
Enter busbar sub-component 170 and may also be referred to as " the second direct current busbar sub-component " or " direct current inputs busbar 170 ".Direct current
Input busbar 170 can include positive bus bar 174 and negative bus bar 176, institute similar with above-mentioned direct current busbar 112
State positive bus bar 174 and negative bus bar 176 is arranged to the relation that cooperates.
Positive bus bar 174 can include multiple positive pole input tab 178a-178c, and negative bus bar 176 can include
Multiple negative poles input tab 180a-180c.When seated, by multiple positive poles of positive bus bar 174 are inputted tab 178a-
The positive pole output tab 166a-166c that 178c exports busbar 162 with the positive pole of DC bus capacitor device 114 is connected, can be by just
Pole busbar 174 is connected with the positive pole output busbar 162 of DC bus capacitor device 114.Equally, by by negative bus bar 176
Multiple negative poles input the negative pole of tab 180a-180c and DC bus capacitor device 114 and export the negative pole output tab of busbar 164
168a-168c is connected, and the negative pole output busbar 164 of negative bus bar 176 and DC bus capacitor device 114 can be connected.
Multiple positive poles input tab 178a-178c and multiple negative pole input tab 180a-180c can be alternately arranged and
Be in line construction.
Positive bus bar 174 and negative bus bar 176 can be positioned to be in overlapped matching relationship.In some enforcements
In example, space 175 can be provided between positive bus bar 174 and negative bus bar 176, this space 175 can be filled with electricity
Insulant.Space 175 between positive bus bar 174 and negative bus bar 176 can allow for inputting busbar by direct current
The electric current of sub-component 170 has relatively low inductance.
Positive bus bar 174 can include a pair of positive pole output tab 182a and 182b, and negative bus bar 176 can be wrapped
Include a pair of negative pole output tab 184a (shown in Figure 10) and 184b.The pair of positive pole output tab 182a with 182b can be relative
On the relative both sides being arranged at each other positive bus bar 174.The pair of negative pole output tab 184a and 184b also can
It is arranged with respect to one another on the relative both sides of negative bus bar 176.The pair of negative pole output tab and the pair of just
Pole exports tab and can be disposed such that positive pole exports tab 182a and may be located at the nearside and just that negative pole exports tab 184b
Pole exports tab 182b and may be located at the nearside that negative pole exports tab 184b.
As Figure 10 is clearly shown that, direct current input busbar 170 can be in DC bus capacitor device 114 and grid
Electrical connection is provided, this will be described in greater detail below between the power module of drive circuit board 116.In an embodiment
In, positive pole output tab 182a and negative pole output tab 184a can be connected to by the opening in gate driver circuit plate 116
First power module 188.Positive pole output tab 182b and negative pole output tab 184b can be connected to second source module 186.
Figure 11 show exemplary first power module removing gate driver circuit plate and second source module, with
And the partial, exploded perspective view of above-mentioned each busbar and DC bus capacitor device.First power module 186 and second source module
Each of 188 all can include a pair of positive input terminal and negative input terminal.For example, the first power module 186 energy
Enough include positive terminal 190 and negative terminal 192.Each of power module all can utilize packing ring (such as packing ring 194)
It is connected to the bottom of lower casing 108.In various embodiments, packing ring can be used in producing the impervious sealing member of fluid, institute
Stating sealing member prevents the fluid from cooling sub-component from entering in lower casing 108.As here is described in more detail,
Cooling sub-component enables the thermal component of power module 186 and 188 to be exposed to coolant.Coolant can be from power module
Remove unnecessary heat, thus improving the performance of power module.
Each of exemplary power module 186 and 188 all can include three lead-out terminals, described three outputs
Each of terminal all can export a different phase of the ac supply signal that can be produced by power module.For example,
First power module 186 can include lead-out terminal 187a, 187b and 187c, and second source module 188 can include exporting
Terminal 189a, 189b and 189c.
Figure 12 and Figure 13 collectively illustrates an exemplary three-phase output AC busbar sub-component (hereinafter referred to as
" exchange busbar 118 ").In certain embodiments, exchange busbar 118 can include three busbars, and such as first confluxes
Bar the 202, second busbar 204 and the 3rd busbar 206.
Each of first busbar 202, the second busbar 204 and the 3rd busbar 206 all can include an article main body.
For example, the first busbar 202 can include bar main body 208, and the second busbar 204 can include bar main body 210, and the 3rd remittance
Stream bar 206 can include bar main body 212.Each of first busbar 202, the second busbar 204 and the 3rd busbar 206
Front surface and rear surface all can be included.For example, the bar main body 208 of the first busbar 202 can include front surface 214 and rear table
Face 216.The bar main body 210 of the second busbar 204 can include front surface 218 and rear surface 220, and the 3rd busbar 206
Bar main body 212 can include front surface 222 and rear surface 224.
In one embodiment, the first busbar 202, the second busbar 204 and the 3rd busbar 206 can be spaced
Open, and be positioned to nested configuration simultaneously.Therefore, after the front surface 214 and the second busbar 204 of the first busbar 202
Existential Space 205 between surface 216.Equally, the 3rd busbar and the second busbar can be spaced from each other, to conflux second
Form space 207 between articles 204 front surface 214 and the rear surface 220 of the 3rd busbar 206.Every in space 205 and 207
All can be filled with electrically insulating material for one.In other embodiments, the first busbar 202, the second busbar 204 and the 3rd remittance
Flow the front surface of bar 206 and/or rear surface can be coated with the insulating barrier of the material being adapted to provide for being electrically insulated.
Each of first busbar 202, the second busbar 204 and the 3rd busbar 206 all can also include multiple
Power module tab, the plurality of power module tab can be by each busbar and the first power module 186 and the second electricity
Source module 188 electrically connects (referring to Figure 11).For example, the first busbar 202 can include power module tab 226 and 228, and the
Two busbars 204 can include power module tab 230 and 232.3rd busbar 206 can include power module tab 234
With 236.The power module tab of any one in these busbars can be spaced from each other, so as to allow busbar with each
Individual power module is connected.
Multiple power module tabs of each of these busbars all can be extended their corresponding bar main bodys
Rear surface.Multiple power module tabs 226,228,230,232,234 and 236 can be coplanar and along longitudinal arrangement axis
Ls is mutually aligned (referring to Figure 13).
In certain embodiments, the first busbar 202, the second busbar 204 and the 3rd busbar 206 can be positioned to phase
It is mutually nesting but the relation of biasing.For example, the second busbar 204 can be arranged in before the first busbar 202, and the 3rd remittance
Stream bar 206 can be arranged in before the second busbar 204.And, busbar can be interlaced or be mutually offset.Second
Busbar 204 can offset from the first busbar 202, and the 3rd busbar 206 can offset from the second busbar 204.?
In this construction, the power module that the power module tab 230 of the second busbar 204 can be positioned at the first busbar 202 is dashed forward
Between the power module tab 234 of piece 226 and the 3rd busbar 206.The power module tab 234 of the 3rd busbar can position
Between the power module tab 230 and the power module tab 228 of the first busbar 202 of the second busbar 204.First confluxes
Articles 202 power module tab 228 can be positioned at power module tab 234 and second busbar 204 of the 3rd busbar 206
Power module tab 232 between.Power module tab 232 can be positioned at the power module tab 228 of the first busbar 202
And the 3rd busbar 206 power module tab 236 between.
In certain embodiments, the length of the power module tab 234,236 of the 3rd busbar 206 in three busbars
Can be more than the length of the power module tab 230,232 of the second busbar 204 in three busbars.And, three conflux
The length of the power module tab 230,232 of the second busbar 204 in bar can be confluxed more than first in three busbars
The length of the power module tab 226,228 of bar 202.
Each of first busbar 202, the second busbar 204 and the 3rd busbar 206 all can also include exporting
Tab, described output tab can extend from the front surface of their corresponding bar main bodys.For example, the first busbar 202 can wrap
Include output tab 238, the second busbar 204 can include exporting tab 240, and the 3rd busbar 206 can include exporting
Tab 242.
In one embodiment, output tab 238,240 and 242 can be disposed such that their position relative to each other
Symmetrically.Due to the lead-out terminal of each of power module interval (as described above) and in order to keep export tab 238,
240 and 242 symmetry, output tab 240 can have substantially sinuate part 244, and described part 244 can will be defeated
Go out tab 240 to be positioned between output tab 238 and 242.
In some embodiments it is possible to first busbar 202, the second busbar 204 and the 3rd be converged using installing plate 246
Stream bar 206 is maintained at their corresponding positions (referring to Figure 12).Installing plate 246 carries hole.Output tab 238,240 and 242 energy
Enough extend through this some holes.In one embodiment, the locking component of such as locking component 248 can by output tab 238,
240 and 242 are fixed on the correct position on installing plate 246.
The second busbar that installing plate 246 can be connected in above three busbar and the 3rd busbar (are for example such as schemed
Shown in 12).
Referring now to Figure 14 and 15 (and Figure 11,12 and 13), according to some embodiments, the power supply of the first busbar 202
Module tab 226 and 228 (referring to Figure 12) can be with the lead-out terminal 187a (referring further to Figure 11) of the first power module 186 and
The lead-out terminal 189a of two power modules 188 is connected.Second busbar 204 can be with the lead-out terminal of the first power module 186
187b is connected with the lead-out terminal 189b of second source module 188.3rd busbar 206 can be with the first power module 186
The lead-out terminal 189c of lead-out terminal 187c and second source module 188 is connected.
In figure 16, multi-cable (such as cable 250) can with the output tab 238,240 exchanging busbar 118 and
242 are connected (referring to Figure 14 to 15).
Figure 17 shows a kind of exemplary cooling sub-component 252, and described cooling sub-component 252 can include cooling chamber
254th, packing ring 256, cover plate 258, input port 260 and delivery outlet 262 and Butterworth Hatch 264.Generally, can be formed by side wall 266
Cooling chamber 254, described side wall 266 is formed in the lower casing 108 of housing.Thermal component 268 He of power module 186 and 188
270 are able to be exposed to cooling chamber 254.As described above, being kept apart power module 186 and 188 with packing ring, to prevent cold
But the fluid in chamber 254 enters in housing.
When cover plate 258 is attached to the lower casing 108 of housing, can be using pump (not shown) by the fluid of such as coolant
It is pumped in cooling chamber 254 by input port 260 and using pump, the fluid of such as coolant can be extracted out.When needed,
The air being detained can be removed using Butterworth Hatch 264 from cooling chamber 254.
In one embodiment, input port 260 and delivery outlet 262 can be arranged in the immediate vicinity of housing, and this can have
Help make fluid reach each cooling chamber with equal flow.
Figure 18 a to Figure 18 c collectively illustrates another embodiment of cooling sub-component.In one embodiment, the first electricity
Source module 186 and second source module 188 are mountable on plate 280.Side wall (see, for example, in Figure 17 266) defines cold
But chamber (see, for example, 254 in Figure 17).Thermal component 268 and 270 can be positioned in cooling chamber 254.Input port 286 is permissible
It is positioned on an end of cooling chamber 254, and delivery outlet 288 can be positioned on the relative end of cooling chamber 254.Due to
Fluid be directed in input port 286 and removes from delivery outlet 288, so when fluid is through thermal component 268 and 270
When, fluid can remove heat from the first power module 186 and second source module 188, to provide for each power module
The coolant of generally equalized share.(see, for example, Figure 17 in some other embodiments), input port can be positioned substantially on
So that coolant can enter from substantially middle part, therefore coolant can be double for centre between thermal component 268 and 270
To ground flowing (flow through thermal component 268 along a direction, and flow through thermal component 270 along another direction) and quilt
It is collected in substantially middle part, to provide the coolant of generally equalized share to each power module, thus reduce the difference of power module
Temperature.
Although had been described above multiple embodiments it should be appreciated that they only in an illustrative manner
Be given, and be not intended as limiting.Foregoing description is not intended as the scope of the technology of the present invention being limited to the specific of here statement
Form.Therefore, any one in above-mentioned example embodiment all should not limit the scope of preferred embodiment.It should be understood that
It is that foregoing description is illustrative rather than restricted.This specification is intended to be in and is defined by the following claims
Replacement scheme in the spirit and scope of the technology of the present invention, modification and equivalents and those skilled in the art can
Expect other schemes.Therefore, reference should not be made to foregoing description to determine protection scope of the present invention, and should want with reference to appended right
Ask and their whole equivalent scope are determining protection scope of the present invention.
Claims (13)
1. a kind of inverter assembly, described inverter assembly includes:
Housing, described housing equipped with:
Direct current inputs busbar sub-component；
Three-phase output AC busbar sub-component；
DC bus capacitor device, described DC bus capacitor device is electrically connected to described direct current input busbar sub-component；
Second direct current busbar sub-component, described second direct current busbar sub-component is by described DC bus capacitor device and multiple power supplys
Module electrically connects, and wherein, the plurality of power module is electrically connected to described three-phase output AC busbar sub-component；With
Cooling sub-component, described cooling sub-component and the plurality of power module are connected；
Wherein, described direct current input busbar sub-component is electrically connected with the first connector and the second connector, described first connection
Each of part and described second connector are all embedded in described DC bus capacitor device at least in part；
Wherein, described second direct current busbar sub-component includes:
A pair of busbar, each of the pair of busbar all includes:
Bar main body；
Multiple input tabs, the plurality of input tab extends from the first end of described bar main body, the plurality of input tab
It is connected to described DC bus capacitor device；With
Multiple output tabs, wherein
The plurality of output tab is arranged with respect to one another on the relative both sides of described bar main body；
The described bar main body of the pair of busbar is mutually overlapping up and down but is spaced from each other；And in the pair of busbar
Multiple input tabs of the first busbar are arranged to become with multiple input tabs of the second busbar in the pair of busbar
The relation replacing and aliging.
2. inverter assembly according to claim 1, wherein, described three-phase output AC busbar sub-component includes three
The output tab of almost symmetry, each described output tab all carries the ac supply signal being produced by the plurality of power module
Single-phase.
3. inverter assembly according to claim 1, wherein, described three-phase output AC busbar sub-component includes:
Three busbars, each of described three busbars all include:
Bar main body, described bar main body has front surface and rear surface；
Spaced multiple power module tab, the first power module tab in the plurality of power module tab and institute
The first power module stating inverter assembly is connected, and the second source module tab in the plurality of power module tab with
The second source module of described inverter assembly is connected, and the plurality of power module tab is extended described rear surface；
Output tab, described output tab extends from described front surface；And
Second busbar in described three busbars for the bar agent localization of the first busbar in described three busbars
After bar main body, and the 3rd busbar in described three busbars is positioned in described three busbars described second
Before busbar.
4. inverter assembly according to claim 1, wherein, described first busbar in the pair of busbar many
Individual output tab is adjacent with multiple output tabs of described second busbar in the pair of busbar.
5. inverter assembly according to claim 4, wherein, one of described first busbar in the pair of busbar
One output tab of described second busbar in individual output tab and the pair of busbar adjacent thereto is electrically connected to
One of the plurality of power module power module.
6. inverter assembly according to claim 1, described inverter assembly also includes gate driver circuit plate, wherein,
The plurality of power module is electrically connected to described gate driver circuit plate.
7. inverter assembly according to claim 6, wherein, described gate driver circuit plate has recess, to accommodate
State multiple output tabs of the second direct current busbar sub-component.
8. inverter assembly according to claim 1, wherein, the thermal component of the plurality of power module is arranged in by institute
State in the chamber of side wall formation of cooling sub-component, wherein, be arranged between the plurality of power module and gate driver circuit plate
Packing ring by the fluid isolation of described intracavity.
9. inverter assembly according to claim 8, wherein, described cooling sub-component includes input port and delivery outlet, institute
State input port and described delivery outlet is arranged in the middle part of described housing, and be arranged in the thermal component of the plurality of power module
Between.
10. inverter assembly according to claim 8, wherein, described cooling sub-component includes: input port, described input
On the first end of downside that mouth is arranged in described housing；And delivery outlet, described delivery outlet be arranged in described housing described under
On the second end of side.
11. inverter assemblies according to claim 1, described inverter assembly also includes terminal block, and described terminal block props up
Support ground connects the lower casing that described direct current inputs busbar sub-component and described housing.
12. inverter assemblies according to claim 1, described inverter assembly also includes positive pole output busbar and negative pole
Output busbar, described positive pole output busbar and described negative pole output busbar are embedded in described DC bus capacitor device, its
In, described positive pole exports busbar and described negative pole output busbar is electrically connected to the many of described second direct current busbar sub-component
Individual input tab.
13. inverter assemblies according to claim 1, wherein, described direct current input busbar sub-component includes a pair of remittance
Stream bar, each busbar in the pair of busbar all includes:
Input tab；
Output tab；With
Bar main body, described input tab is extended in alignment with the first paragraph of described bar main body,
The second segment that described output tab is orthogonal to described bar main body extends.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/841,520 | 2015-08-31 | ||
| US14/841,520 US9241428B1 (en) | 2015-08-31 | 2015-08-31 | Inverter assembly |
| CN201510862459.7A CN105429480B (en) | 2015-08-31 | 2015-12-01 | Inverter assembly |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862459.7A Division CN105429480B (en) | 2015-08-31 | 2015-12-01 | Inverter assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106341052A true CN106341052A (en) | 2017-01-18 |
| CN106341052B CN106341052B (en) | 2019-05-07 |
Family
ID=55022686
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610951606.2A Active CN106341052B (en) | 2015-08-31 | 2015-12-01 | Inverter assembly |
| CN201510862459.7A Active CN105429480B (en) | 2015-08-31 | 2015-12-01 | Inverter assembly |
| CN201520976526.3U Withdrawn - After Issue CN205160384U (en) | 2015-08-31 | 2015-12-01 | Dc -to -ac converter subassembly |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862459.7A Active CN105429480B (en) | 2015-08-31 | 2015-12-01 | Inverter assembly |
| CN201520976526.3U Withdrawn - After Issue CN205160384U (en) | 2015-08-31 | 2015-12-01 | Dc -to -ac converter subassembly |
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| CN (3) | CN106341052B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106341052B (en) * | 2015-08-31 | 2019-05-07 | 法拉第未来公司 | Inverter assembly |
| US11218080B2 (en) | 2015-08-31 | 2022-01-04 | Faraday & Future Inc. | Inverter AC bus bar assembly |
| CN107364456B (en) * | 2016-05-12 | 2020-10-27 | 通用电气全球采购有限责任公司 | Inverter driving assembly and bus bar for inverter driving assembly of vehicle |
| CN109713880B (en) * | 2019-01-28 | 2024-04-26 | 四川富肯斯科技有限公司 | Low-voltage high-current output structure of direct-current converter |
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|---|---|---|---|---|
| US6525950B1 (en) * | 2000-03-30 | 2003-02-25 | Hitachi, Ltd. | Semiconductor device and electric power conversion device |
| US20110261600A1 (en) * | 2010-01-22 | 2011-10-27 | Denso Corporation | Power conversion apparatus |
| CN103081326A (en) * | 2011-03-31 | 2013-05-01 | 爱信艾达株式会社 | Inverter |
| US20140119087A1 (en) * | 2012-10-31 | 2014-05-01 | Denso Corporation | Power converter |
| CN205160384U (en) * | 2015-08-31 | 2016-04-13 | 法拉第未来公司 | Dc -to -ac converter subassembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7505294B2 (en) * | 2003-05-16 | 2009-03-17 | Continental Automotive Systems Us, Inc. | Tri-level inverter |
| JP5227532B2 (en) * | 2007-04-02 | 2013-07-03 | 日立オートモティブシステムズ株式会社 | Semiconductor module for inverter circuit |
| JP5099431B2 (en) * | 2008-02-15 | 2012-12-19 | アイシン・エィ・ダブリュ株式会社 | Inverter unit |
| JP4580997B2 (en) * | 2008-03-11 | 2010-11-17 | 日立オートモティブシステムズ株式会社 | Power converter |
| JP4708459B2 (en) * | 2008-07-29 | 2011-06-22 | 日立オートモティブシステムズ株式会社 | Power converter |
| ATE507711T1 (en) * | 2008-10-24 | 2011-05-15 | Fiat Ricerche | MOTOR VEHICLE INVERTER UNIT |
| KR101338432B1 (en) * | 2011-08-10 | 2013-12-10 | 현대자동차주식회사 | Inverter for vehicle |
| US9730365B2 (en) * | 2012-12-30 | 2017-08-08 | General Electric Company | Heat sink apparatus and method for power semiconductor device module |
-
2015
- 2015-12-01 CN CN201610951606.2A patent/CN106341052B/en active Active
- 2015-12-01 CN CN201510862459.7A patent/CN105429480B/en active Active
- 2015-12-01 CN CN201520976526.3U patent/CN205160384U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6525950B1 (en) * | 2000-03-30 | 2003-02-25 | Hitachi, Ltd. | Semiconductor device and electric power conversion device |
| US20110261600A1 (en) * | 2010-01-22 | 2011-10-27 | Denso Corporation | Power conversion apparatus |
| CN103081326A (en) * | 2011-03-31 | 2013-05-01 | 爱信艾达株式会社 | Inverter |
| US20140119087A1 (en) * | 2012-10-31 | 2014-05-01 | Denso Corporation | Power converter |
| CN205160384U (en) * | 2015-08-31 | 2016-04-13 | 法拉第未来公司 | Dc -to -ac converter subassembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106341052B (en) | 2019-05-07 |
| CN105429480A (en) | 2016-03-23 |
| CN105429480B (en) | 2017-06-16 |
| CN205160384U (en) | 2016-04-13 |
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