CN207368890U - Power electronic controller and electric automobile - Google Patents
Power electronic controller and electric automobile Download PDFInfo
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- CN207368890U CN207368890U CN201720640198.9U CN201720640198U CN207368890U CN 207368890 U CN207368890 U CN 207368890U CN 201720640198 U CN201720640198 U CN 201720640198U CN 207368890 U CN207368890 U CN 207368890U
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Abstract
The utility model provides a kind of power electronic controller and electric automobile, belongs to alternating current generator Drive Control Technique field.The power electronic controller of the utility model is used to provide exchange input for alternating current generator and controls the alternating current generator, it includes：Parallel arrangement of first inverted power module assembly and the second inverted power module assembly；And the cooling sandwith layer being folded between the first inverted power module assembly and the second inverted power module assembly；The coolant flow channel that the first inverted power module assembly and the second inverted power module assembly share is disposed with cooling sandwith layer.The power output and current output capability of the power electronic controller of the utility model are big, and functional reliability is good, also, have preferable radiating efficiency, compact overall structure.
Description
Technical field
The utility model belongs to alternating current generator Drive Control Technique field, is related to for providing exchange input for alternating current generator
And control the power electronic controller of the alternating current generator（Power Electronic Unit, PEU）.
Background technology
Powerful alternating current generator（Such as induction machine or permanent magnet synchronous motor）Extensively should in such as electric automobile field
With and as drive motor, with the continuous popularization of electric automobile, power density, cost, peace of the market to motor driven systems
Full property etc. is put forward higher requirements.
In the motor driven systems for driving motor, driving motor speed is controlled using power electronic controller PEU
Adjust, the DC high-voltage inversion of such as power battery input is at the same time AC high voltage by PEU, the electric current as driving motor
Input.PEU major functions include at following 2 points：
First, as the energy transform device between power battery and driving motor, it has the function of inversion, namely DC-
AC conversion functions, for example, the high voltage direct current that power battery inputs can be converted to three-phase high-voltage alternating current transmission to drive by it
Dynamic motor；
Second, as control signal interface circuit and driving circuit for controlling motor, receive by entire car controller VCU
（Vehicle Control Unit）The signal such as the signal and motor temperature of transmission, speed, power, makes respective feedback, then
Signal is fed back into VCU and driving motor, so as to play driving motor control action.
At present, power electronic controller uses single conventional three-phase full-bridge inverting power module, for such as power compared with
For the driving motor of big electric automobile, easily limited be subject to power device maximum allowed current, for example, in existing market
PEU peak powers be no more than 200KW, peak value phase current is no more than 500A, and therefore, driving the power output of motor will be limited
System；Also, single conventional three-phase full-bridge inverting power module, all bad control of type selecting and cost of power device are excessive
Power causes volume and cost to be difficult to decline, and cooling effectiveness is relatively low.
Utility model content
The target of the utility model is open a solution, which eliminates or at least mitigate prior art side
Occur in case it is as described above the defects of.The target of the utility model is also to realize the one or more of the advantages of following：
The power output and current output capability of-raising PEU；
The reliability of-raising PEU；
The radiating efficiency of-raising PEU；
The structural compactness of-raising PEU.
The utility model provides following technical scheme.
According to the one side of the utility model, there is provided a kind of power electronic controller, for providing exchange for alternating current generator
Input and control the alternating current generator, it includes：
Parallel arrangement of first inverted power module assembly and the second inverted power module assembly；With
The cooling sandwith layer being folded between the first inverted power module assembly and the second inverted power module assembly；
Wherein, the first inverted power module assembly and the second inverted power module assembly are controlled from the power electronics
The same high voltage direct current input terminal of device accesses external high pressure DC power supply and concurrently exports exchange in parallel to be exported to it
Ac output end；
The first inverted power module assembly and the second inverted power module assembly are disposed with the cooling sandwith layer
Shared coolant flow channel.
According to the power electronic controller of one embodiment of the utility model, wherein, in the power electronic controller
Portion be provided with is electrically connected with high voltage direct current input terminal it is straight for the external high pressure DC power supply to be divided into two-way
Flow the direct current bus-bar assembly of input；The direct current bus-bar assembly has two that the corresponding two-way direct current input is set respectively
Parallel the first direct current row in road and the second direct current row, the first inverted power module assembly and the second inverted power module assembly
It is electrically connected in first direct current row and the second direct current row.
According to the power electronic controller of one embodiment of the utility model, wherein, the direct current bus-bar assembly further includes
Filter capacitor and filter inductance.
According to the power electronic controller of one embodiment of the utility model, wherein, the first inverted power module assembly and
Two inverted power module assemblies each include：
Capacitance；
Switch power module；With
Drive circuit；
Wherein, the switch power module of the first inverted power module assembly and the second inverted power module assembly
The upper thermal component set respectively is extending at least partially into the coolant flow channel opposite to each other.
Alternatively, the capacitance of the first inverted power module assembly and the second inverted power module assembly is attached to respectively
In the upper and lower surface of the cooling sandwith layer, or it is at least partially disposed in the coolant flow channel of the cooling sandwith layer.
According to the power electronic controller of one embodiment of the utility model, wherein, the first inverted power module assembly
Including the first exchange output bus-bar interface for forming the ac output end, the second inverted power module assembly bag
Include the second exchange output bus-bar interface for forming the ac output end.
According to the power electronic controller of one embodiment of the utility model, wherein, the corresponding second exchange output confluence
Row's exchange output bus-bar interface of interface/first is provided with the transfer bus for forming the ac output end, wherein, institute
The first end and the exchange output bus-bar interface of the described second exchange output bus-bar interface/first for stating transfer bus are connected.
According to the power electronic controller of one embodiment of the utility model, wherein, the height of the transfer bus is equal to
The difference in height of the first exchange output bus-bar interface and the second exchange output bus-bar interface, the of the transfer bus
Two ends and the first exchange output bus-bar interface/second exchange output bus-bar interface are pressed straight on sustained height
Arrange line.
According to the power electronic controller of one embodiment of the utility model, wherein, corresponding first exchange output bus-bar connects
Mouth/second exchanges the first switching that output bus-bar interface is provided with for forming the ac output end and exports bus-bar, right
Answer the transfer bus second end be provided with for form the ac output end second switching output bus-bar, first
Switching output bus-bar and the second switching output bus-bar are by being point-blank arranged side by side.
According to the power electronic controller of one embodiment of the utility model, wherein, the ac output end further includes setting
Filter inductance on the described first switching output bus-bar and the second switching output bus-bar.
According to the power electronic controller of one embodiment of the utility model, wherein, the first inverted power module assembly
Current sensor is each further included with the second inverted power module assembly.
According to the power electronic controller of one embodiment of the utility model, wherein, the ac output end, which has, to be corresponded to
Three the first three-phase alternating currents of phase line of the first inverted power module assembly export and corresponding to the second inverted power module assemblies
The second three-phase alternating current output three phase lines.
Alternatively, first three-phase alternating current exports corresponding three phase lines and the output of the second three-phase alternating current is three corresponding
Phase line is connected electrically on the three-phase windings of three phase alternating current motor with corresponding to superposition.
Alternatively, when there is difference between the output of the first three-phase alternating current and the output of the second three-phase alternating current, described first
Three-phase alternating current exports corresponding three phase lines and corresponding three phase lines of the second three-phase alternating current output are respectively electrically connected to six and intersect
On six phase windings of galvanic electricity machine.
According to the power electronic controller of one embodiment of the utility model, wherein, the power electronic controller is constructed
For substantially body structure, the first inverted power module assembly, cooling sandwith layer and the second inverted power module assembly are used respectively
In the upper strata, intermediate layer and the lower floor that form the body structure.
According to the power electronic controller of one embodiment of the utility model, wherein, the cooling sandwith layer is configured as described
A part for the main box of body structure, the first inverted power module assembly and the second inverted power module assembly are symmetrically
It is distributed in the both sides up and down of the cooling sandwith layer.
According to the power electronic controller of one embodiment of the utility model, wherein, the power electronic controller further includes
Low-voltage control circuit and barricade, wherein, the barricade is arranged on the low-voltage control circuit and first inverter power
It is used for the electromagnetic interference for shielding high-tension current signal between module assembly or the second inverted power module assembly.
According to the another aspect of the utility model, there is provided a kind of electric automobile, it includes the exchange for exporting power
Motor, and it is described above and power electronic controller.
The power electronic controller PEU of the utility model has parallel arrangement of first inverted power module assembly and second
Inverted power module assembly, and they share the coolant flow channel in cooling sandwith layer, improve power output and the electric current output of PEU
While ability, its functional reliability can be improved, also, there is preferable radiating efficiency, compact overall structure.
Brief description of the drawings
From described further below with reference to attached drawing, it will make the utility model above and other purpose and advantage more
It is complete clear, wherein, the same or similar key element, which is adopted, to be indicated by the same numeral.
Fig. 1 and Fig. 2 is the external perspective structural representation according to the power electronic devices of one embodiment of the utility model.
Fig. 3 is the cross-sectional view according to the power electronic devices of one embodiment of the utility model.
Fig. 4 is direct current bus-bar assembly and the inversion of the inside according to the power electronic devices of one embodiment of the utility model
The structure diagram of power module assembly.
Fig. 5 is the structure according to the direct current bus-bar assembly of the inside of the power electronic devices of one embodiment of the utility model
Schematic diagram.
Fig. 6 is the partial structurtes according to the inverted power module assembly of the power electronic devices of one embodiment of the utility model
Schematic diagram.
Fig. 7 is the exchange output according to the inverted power module assembly of the power electronic devices of one embodiment of the utility model
The structure diagram at end.
Fig. 8 is according to the internal structure schematic diagram of the power electronic devices of one embodiment of the utility model, be illustrated therein is
Low-voltage control circuit and barricade.
Fig. 9 is the coolant flow channel schematic diagram according to the inside of the power electronic devices of one embodiment of the utility model.
Figure 10 is the cooling principle schematic diagram according to the power electronic devices of one embodiment of the utility model.
Embodiment
The utility model is more fully described now with reference to attached drawing, shown in the drawings of the exemplary of the utility model
Embodiment.But the utility model can be realized according to many different forms, and it is not construed as being limited to explaining here
The embodiment stated.On the contrary, these embodiments are provided so that the disclosure becomes thorough and complete, and the design of the utility model is complete
Pass to those skilled in the art entirely.
In following description, for the clear and concise of description, all multiple components shown in figure are not carried out detailed
Thin description.It is the multiple components for being fully able to realize the utility model shown in the drawings of those of ordinary skill in the art, for
For those skilled in the art, it is all familiar and obvious to be permitted multipart operation.
In the following description, for convenience of description, the high direction of power electronic controller is defined as z directions, electric power
The direction of the length of electronic controller is defined as x directions, the width perpendicular to z directions and the direction in x directions, i.e. power electronic controller
Direction, be defined as y directions.It is to be understood that the definition in these directions be for relative to description and clarification, it can basis
The change in the orientation of power electronic controller and correspondingly change.
In the examples below, in the case of no specified otherwise, the directional terminology of "up" and "down" is to be based on z directions
Come what is defined；Also, it is to be understood that these directional terminologies are opposite concepts, they be used for relative to description and clear
Clearly, it can correspondingly change according to the change in the orientation that stabilising arrangement is installed.
The power electronic controller PEU10 of one embodiment of the utility model is shown in detail below in conjunction with Fig. 1 to Figure 10
Example explanation.
PEU10 is illustratively applied to driving electric automobile（Including pure electric automobile and hybrid vehicle）Alternating current
Machine, it can provide powerful three-phase high-voltage exchange output for alternating current generator（U1, V1 and W1, U2, V2 and W2）, and provide compared with
Big peak power and peak point current output.
As depicted in figs. 1 and 2, PEU10 is integrally arranged to the body structure 11 being generally rectangular shaped, it is exterior with height
DC input terminal 101 is pressed, it is used to access high-voltage DC power supply, for example, two high voltage direct current input terminals 101 connect respectively
The positive-negative output end of power battery pack；Also, there is the entrance that the coolant flow channel 310 inside corresponding is set outside PEU10
301, the liquid for cooling（Such as water）Can cyclically it be flowed in and out from entrance 301.The tool of the external structure of PEU10
Shape design is not limiting, it can be installed on such as the position on electric automobile because usually designing its shape according to it
Shape.In description behind, it is to be understood that the PEU10 with body structure 11 of the utility model embodiment is integrally with knot
The advantages of structure is compact.
The first inverted power module assembly 200 and the second inverted power module assembly are mainly provided with inside PEU10
400, two the first inverted power module assemblies 200 and the second inverted power module assembly 400 are mainly used for realizing from DC-AC's
Conversion；From being electrically connected in structure, their input terminal accesses external high pressure DC power supply, also, first in parallel at the same time
200 and second inverted power module assembly of inverted power module assembly 400 parallel output three-phase alternating current U1, V1 and W1, Yi Jisan
Cross streams U2, V2 and W2；From structure（As shown in Figure 3）, the first inverted power module assembly 200 and the second inverter power
Module assembly 400 can concurrently be set, and between which sets cooling sandwith layer 300, in this way, the first inverted power module assembly
200th, 300 and second inverted power module assembly 400 of cooling sandwith layer be for respectively forming the upper strata of body structure 11, intermediate layer and
Lower floor.300 corresponding intermediate layer of cooling sandwith layer can be a part for such as main box for the body structure 11 that aluminium alloy is formed,
Main body of the main box as body structure 11, it may be integrally formed and is used to fix other each portions included by PEU10
Part, it is with certain intensity and thermal conductivity.Correspondence is interposed in the first inverted power module assembly 200 and the second inverter power mould
The inside of main box body part between block assembly 400 can form the coolant flow channel 310 that coolant can circulate, so that shape
The cooling sandwith layer 300 shared into the first inverted power module assembly 200 and the second inverted power module assembly 400, it can be with
The first inverted power module assembly 200 and the second inverted power module assembly 400 are cooled down at the same time, cooling effectiveness is high, and
And it can realize on cooling structure and more compactly arrange.
In one embodiment, the first inverted power module assembly 200 and the second inverted power module assembly 400 are respectively provided with greatly
The similar similar structure as shown in 4 and Fig. 6 is caused, they are distributed in the both sides up and down of cooling sandwith layer 300 symmetrical above and belowly, and
And there is the thermal component 221 and 421 for being used for improving radiating efficiency respectively, thermal component 221 and 421 can be that appearance is transcalent
Cylinder, as shown in Fig. 3, Fig. 7 and Fig. 9,221 and second inverter power of thermal component on the first inverted power module assembly 200
Thermal component 421 on module assembly 400 is oppositely arranged, and is extending at least partially into the cold of their shared cooling sandwith layers 300
But in runner 310, so as to improve the radiating efficiency to inverted power module assembly.
The cooling principle of PEU10 is as shown in Figure 10, and the core of the first inverted power module assembly 200 needs the component cooled down
It is powerful switch power module 220, its main heater element is the power switch component of switch power module 220（Such as
IGBT）222；Similarly, the component cooled down that especially needs of the second inverted power module assembly 400 is powerful switch power
Module 420, its main heater element are the power switch components of switch power module 420（Such as IGBT）422.Coolant flow channel
Liquid is circulated according to such as Figure 10 directions illustrated in 310, is distributed so as to take away power switch component 222 and 422 at the same time
Heat, therefore, cooling sandwith layer 300 can provide heat dissipation for two inverted power module assemblies at the same time, so as to improve heat dissipation
Efficiency.
As shown in Figure 3 and Figure 4, the inside of PEU10 is additionally provided with the direct current being electrically connected with high voltage direct current input terminal 101 and converges
Stream row's assembly 100, direct current bus-bar assembly 100 are used for external high pressure DC power supply（Such as the high voltage direct current of power battery pack
Output）The input of two-way direct current is divided into, so that the first inverted power module assembly 200 and the second inverted power module assembly 400
There is identical direct current input at the same time.There is direct current bus-bar assembly 100 corresponding two-way direct current to input the two-way set respectively simultaneously
Capable the first direct current row 120 and the second direct current row 140, each direct current row 120 or 140 have two terminals, it is electrically connected
Two DC input terminals 101, that is, be electrically connected positive and negative DC input terminal；The first direct current of two-way row 120 and the second direct current
Row 140 realizes that the direct current input to direct current bus-bar assembly 100 shunts by setting parallel.First inverted power module
200 and second inverted power module assembly 400 of assembly is electrically connected in the first direct current row 120 and the second direct current row 140, so that
The independent input of direct current all the way is respectively connected to for the first inverted power module assembly 200 and the second inverted power module assembly 400
Power supply.First direct current row 120 and/or the second direct current row 140 are specifically as follows direct current copper bar, and the first direct current row 120 and second is straight
Stream row 140 has identical structure setting and uses identical material, such as 140 tool of the first direct current row 120 and the second direct current row
There is identical cross-sectional area.
In one embodiment, as shown in figure 5, direct current bus-bar assembly 100 further includes filter capacitor 110 and filter inductance
130.Filter capacitor 110 for example can be X capacitances and Y capacitance, it can input high voltage direct current and be filtered processing, ensure defeated
It is reliable and stable to enter electric current；Filter inductance 130 can be specifically the inductance components such as ferrite inductance, its can future ultromotivity battery
The DC high-voltage clutter of the high voltage direct current input of bag is filtered, and ensures the EMC performances of PEU10.
As shown in Fig. 3,4 and Fig. 7, the first inverted power module assembly 200 mainly includes capacitance 210, switch power module
220 and drive circuit 230；Second inverted power module assembly 400 also has similar structure, it mainly includes capacitance 410, opens
Close power module 420 and drive circuit 430.Wherein, capacitance 210 and 410 is optionally thin-film capacitor, it can be connected across often respectively
The both ends of road direct current input, so as to form DC-link capacitances, therefore, also referred to as DC couples capacitor.
Due to capacitance 210 and 410 at work, ripple current may be produced on it and generated heat, therefore, in an embodiment
In, capacitance 210 and 410 can be attached in the upper and lower surface of cooling sandwith layer 300 respectively, or by 210 He of capacitance
410 at least to be partly set directly in coolant flow channel 310 so that using cooling sandwith layer 300 be capacitance 210 and 410 radiate
Cooling.
Switch power module 220 and 420 can produce substantial amounts of heat in the progress inversion course of work and pass through cooling sandwith layer
300 liquid are cold.Switch power module 220 and 420 can work at the same time output three-phase alternating current, and this improves the power of PEU10
Output and current output capability, readily satisfy the high-power output requirement of the alternating current generator in electric automobile.In one embodiment,
The rated power of the PEU10, which can reach 60KW, peak power and can reach 240KW, peak point current, can reach 930A.And
And if one in switch power module 220 and 420 is broken down or failed, another can work on and provide one
Determine power exchange output, therefore, alternating current generator can continue to drive electric automobile during traveling under the conditions of relative low power, reliably
Situations such as property is improved, is conducive to prevent vehicle from casting anchor.
Switch power module 220 and 420 can carry out inversion including such as three inversion submodules and form the output of 3 cross streams.
It should be noted that if switch power module 220 needs to export with 420 exchanges output in addition to 3 phases, setting can be passed through
The number of inversion submodule adjusts the number of the output phase.The power switch component 222 and 422 that each inversion submodule is can
With but be not limited to IGBT（Insulated gate bipolar transistor）.
Continue as shown in figures 1 and 3, PEU10 also has ac output end 24, it has corresponding two inverted power modules
Two sets of exchange output bus-bar interfaces of assembly, i.e., the first exchange output bus-bar interface 240 exchange output bus-bar with second
Interface 440, as shown in fig. 7, the first exchange output bus-bar interface 240 is set corresponding to switch power module 220, the second exchange
Output bus-bar interface 440 is set corresponding to switch power module 420, and the first exchange output bus-bar interface 240 is to should be used as
The three-phase alternating current output terminal of first inverted power module assembly 200 and three interfaces export U1 phases, V1 phases and W1 phases respectively,
Second exchange output bus-bar interface 440 to should be used as the second inverted power module assembly 400 three-phase alternating current output terminal and
Three interfaces export U2 phases, V2 phases and W2 phases respectively.
In one embodiment, as shown in figs. 4 and 7, due to the first inverted power module assembly 200 and the second inverter power
Module assembly 400 is to be arranged in parallel up and down in a z-direction, therefore, their corresponding first exchange output bus-bar interface, 240 Hes
There are difference in height in a z-direction for second exchange output bus-bar interface 440.To overcome the difference in height, such as Fig. 4, Fig. 7 and Fig. 8 institute
Showing, corresponding second exchange output bus-bar interface 440 is provided with the transfer bus 442 for forming ac output end 24, its
In, the first end of transfer bus 442 is connected with the second exchange output bus-bar interface 440；The height base of transfer bus 442
This is equal to the first exchange and exports bus-bar interface 240 and the second difference in height for exchanging output bus-bar interface 440, so that, switching
The second end of bus-bar 442 and the first exchange output bus-bar interface 240 are on sustained height by point-blank arranging.In this way,
It is total that the exchange of second inverted power module assembly 400 output is transferred to corresponding first inverted power module by transfer bus 442
It is convenient to draw the output of two-way three-phase alternating current from PEU10 into the sustained height of 200 exchange output.It is to be appreciated that
In another alternative embodiment, the first exchange output bus-bar interface 240 can also be corresponded to transfer bus, switching confluence are set
First end connection the first exchange output bus-bar interface 240 of row, its second end exchange output bus-bar interface 440 with second and exist
On sustained height and by point-blank arranging；In this way, the transfer bus exports the exchange of the first inverted power module assembly 200
It is transferred to the sustained height of the exchange output of corresponding second inverted power module assembly 400.Transfer bus 442 is specifically as follows
Switching copper bar.
As shown in Figure 7 and Figure 8, corresponding exchange output bus-bar interface 240 is provided with for forming ac output end 24
First switching output bus-bar 250, the second end of corresponding transfer bus 442 be provided with for form ac output end 24 the
Two switching output bus-bars 450, the first switching output switching output bus-bar 450 of bus-bar 250 and second is by point-blank（Such as
In y-direction）Be arranged side by side, the convenient input terminal for connecting alternating current generator it is to be appreciated that in above example, PEU10's
Ac output end 24 can be understood as ac output end assembly, it mainly includes the first exchange and exports bus-bar interface 240, the
Two exchange output bus-bar interfaces 440, the switching output switching output confluence of bus-bar 250 and second of transfer bus 442, first
Arrange 450 grade components.In another embodiment, filter inductance 245 is provided with ac output end 24, filter inductance 245 can be with one
It is arranged on the first switching output switching output bus-bar 450 of bus-bar 250 and second, filter inductance can be overall to straight body
The first switching output switching output bus-bar 450 of bus-bar 250 and second that line is arranged side by side is filtered；Filter inductance 245
Can also be straight line 6 filter inductances of arrangement side by side, to the first switching output switching output bus-bar of bus-bar 250 and second
450 6 output terminals are filtered respectively.Filter inductance 245 ensures the stabilization of alternating current output signal.Alternatively, filter inductance
245 materials selected can be, but not limited to be ferrite or non-crystalline material；Filter inductance 245 can be integrated in by plastic part etc.
In main box, or it is integrated on main box cover.Continue as shown in Figure 3 and Figure 7, drive circuit 230 and 430 specifically can be with
Set in the form of circuit board, they are respectively that switch power module 220 and 420 provides switching drive signal, so as to control each
The turn-on and turn-off of power switch component 222 and 422.In one embodiment, as shown in fig. 6, the first inverted power module assembly
200 further include current sensor 260, and similarly, the second inverted power module assembly 400 is also correspondingly provided with current sensor
（Not shown in figure）.
In one embodiment, as shown in figures 3 and 8, power electronic controller 10 further includes low-voltage control circuit 500, low
Pressure control circuit 500 can for example be used for controlling drive circuit 230 and 430, for realizing the function of control alternating current generator.Low pressure
The voltage that works in control circuit 500 is low, electric current is small, therefore, easily by direct current bus-bar assembly 100, the capacitance inside PEU10
210, which with 410, switch power module 220 with 420, first exchange output bus-bar interface 240, exchange with second and to export bus-bar and connect
High current, the electromagnetic interference of high-voltage signal of 440 grades of mouth, to avoid the electromagnetic interference, corresponding low-voltage control circuit 500 is also set up
There is barricade 600, barricade 600 can be arranged between 500 and first inverted power module assembly 200 of low-voltage control circuit,
Between 500 and second inverted power module assembly 400 of low-voltage control circuit can also be set, it has isolation high-tension current signal
Electromagnetic interference effect.Specifically, barricade 600 is designed as sheet metal part, the zinc-plated carbon steel of its materials'use；The sheet metal component
Peripheral regions contain convex ribs, barricade is wrapped up from structure low-voltage control circuit 500, realize to low-voltage control circuit
500 signal isolation.Low-voltage control circuit 500 is specifically it is so structured that circuit board.
At work, the first switching output bus-bar 250 can export three-phase alternating current output to the PEU10 of above example
（U1、V1、W1）, the second switching, which exports bus-bar 450, can export another three-phase alternating current output（U2、V2、W2）, that is, exchange
Output terminal 24 has the six roots of sensation phase line of corresponding two three-phase alternating currents output.If alternating current generator is three phase alternating current motor, the first switching
It is being electrically same to export the three-phase alternating current output of bus-bar 250 and the three-phase alternating current output of the second switching output bus-bar 450
Phase, they can provide the three-phase alternating current output of superposition for the three phase electric machine at the same time, for example, U1 and U2, V1 and V2, W1 and W2 points
It Dui Ying not be connected electrically on the three-phase windings of three phase alternating current motor, so that corresponding be connected electrically in the three of three phase alternating current motor with being superimposed
On phase winding.If alternating current generator is six cross streams motors, the three-phase alternating current of the first switching output bus-bar 250 exports and second turn
The three-phase alternating current output for connecing output bus-bar 450 is being electrically the difference in the presence of such as 60 °, the first switching output bus-bar
The three-phase alternating current output that 250 three-phase alternating current output and the second switching export bus-bar 450 is combined as the offer of six cross streams motors
Six cross streams export, for example, U1, U2, V1, V2, W1 and W2 are respectively electrically connected on six phase windings of six cross streams motors.
The PEU10 of the utility model above example is when installation is applied on electric automobile to drive alternating current generator, shape
Into the electric automobile of the utility model embodiment.The electric automobile of the utility model embodiment can use three-phase alternating current
Machine, can also use six cross streams motors.When using three phase alternating current motor, U1 and U2, V1 and V2, W1 and W2 are connected to
On the three-phase windings of three phase alternating current motor.When using being six cross streams motors, the three of the first switching output bus-bar 250 are intersecting
It is being electrically the difference in the presence of such as 60 ° that stream, which is exported with the three-phase alternating current output of the second switching output bus-bar 450, U1, U2,
V1, V2, W1 and W2 are connected on six phase windings of six cross streams motors.
It should be noted that the PEU10 of the utility model embodiment is not limited to be applied in electric automobile, according to the above
Disclose and will be appreciated that, the PEU10 of the utility model embodiment can also be applied to the alternating current generator with similar electric automobile
On the machine or equipment of requirement.
It will be understood that when component ' attach ' to another component when it is said that, it can be directly connected to another component or
There may be intermediate member.
Example above primarily illustrates the power electronic controller and electric automobile of the utility model.Although only to wherein one
The embodiment of a little the utility model is described, but those of ordinary skill in the art are it is to be appreciated that the utility model can
By without departing from its spirit with scope in the form of many other implement.Therefore, the example that is shown and embodiment by regarding
To be illustrative and not restrictive, do not departing from such as the utility model spirit and scope defined in appended claims
In the case of, the utility model may cover various modification and replacement.
Claims (18)
- A kind of 1. power electronic controller（10）, for providing exchange input for alternating current generator and controlling the alternating current generator, its It is characterized in that, including：Parallel arrangement of first inverted power module assembly（200）With the second inverted power module assembly（400）；WithThe cooling sandwith layer being folded between the first inverted power module assembly and the second inverted power module assembly（300）；Wherein, the first inverted power module assembly（200）With the second inverted power module assembly（400）From electric power electricity Sub-controller（10）Same high voltage direct current input terminal（101）External high pressure DC power supply and concurrently is accessed in parallel Output exchange is exported to its ac output end（24）；In the cooling sandwith layer（300）In be disposed with the first inverted power module assembly（200）With the second inverter power mould Block assembly（400）Shared coolant flow channel（310）.
- 2. power electronic controller as claimed in claim 1（10）, it is characterised in that in the power electronic controller（10） Be internally provided with and the high voltage direct current input terminal（101）What is be electrically connected is used to divide equally the external high pressure DC power supply For the direct current bus-bar assembly of two-way direct current input（100）；The direct current bus-bar assembly（100）It is straight with the correspondence two-way The the first direct current row of the two-way that stream input is set respectively parallel（120）Arranged with the second direct current（140）, the first inverter power mould Block assembly（200）With the second inverted power module assembly（400）It is electrically connected and is arranged in first direct current（120）It is straight with second Stream row（140）.
- 3. power electronic controller as claimed in claim 2, it is characterised in that the direct current bus-bar assembly（100）Also wrap Include filter capacitor（110）And filter inductance（130）.
- 4. power electronic controller as claimed in claim 1（10）, it is characterised in that the first inverted power module assembly （200）With the second inverted power module assembly（400）Each include：Capacitance（210,410）；Switch power module（220,420）；WithDrive circuit（230,430）；Wherein, the first inverted power module assembly（200）With the second inverted power module assembly（400）The switch work( Rate module（220,420）The upper thermal component set respectively（221,421）The coolant flow channel is extending at least partially into opposite to each other （310）In.
- 5. power electronic controller as claimed in claim 4（10）, it is characterised in that the first inverted power module assembly （200）With the second inverted power module assembly（400）Capacitance（210,410）The cooling sandwith layer is attached to respectively（300）'s In upper and lower surface, or it is at least partially disposed on the cooling sandwith layer（300）Coolant flow channel（310）In.
- 6. the power electronic controller as described in claim 1 or 4（10）, it is characterised in that first inverted power module Assembly（200）Including for forming the ac output end（24）First exchange output bus-bar interface（240）, described second Inverted power module assembly（400）Including for forming the ac output end（24）Second exchange output bus-bar interface （440）.
- 7. power electronic controller as claimed in claim 6（10）, it is characterised in that the corresponding second exchange output confluence Arrange interface（440）/ the first exchange output bus-bar interface（240）It is provided with for forming the ac output end（24）Switching Bus-bar（442）, wherein, the transfer bus（442）First end with described second exchange output bus-bar interface （440）/ the first exchange output bus-bar interface（240）Connection.
- 8. power electronic controller as claimed in claim 7（10）, it is characterised in that the transfer bus（442）Height Degree is equal to the described first exchange and exports bus-bar interface（240）Output bus-bar interface is exchanged with second（440）Difference in height, institute State transfer bus（442）Second end and it is described first exchange output bus-bar interface（240）/ described second exchanges output Bus-bar interface（440）By point-blank arranging on sustained height.
- 9. power electronic controller as claimed in claim 7 or 8（10）, it is characterised in that corresponding first exchange output confluence Arrange interface（240）/ the second exchange output bus-bar interface（440）It is provided with for forming the ac output end（24）First Switching output bus-bar（250）, the corresponding transfer bus（442）Second end be provided with for form it is described exchange output End（24）Second switching output bus-bar（450）, the first switching output bus-bar（250）With the second switching output bus-bar （450）By being point-blank arranged side by side.
- 10. power electronic controller as claimed in claim 9（10）, it is characterised in that the ac output end（24）Also wrap Include and be arranged on the first switching output bus-bar（250）With the second switching output bus-bar（450）On filter inductance （245）.
- 11. power electronic controller as claimed in claim 4（10）, it is characterised in that first inverted power module is total Into（200）With the second inverted power module assembly（400）Each further include current sensor（260）.
- 12. power electronic controller as claimed in claim 1（10）, it is characterised in that the ac output end（24）Have Corresponding to the first inverted power module assembly（200）The first three-phase alternating current output three phase lines and corresponding to the second inversion Power module assembly（400）The second three-phase alternating current output three phase lines.
- 13. power electronic controller as claimed in claim 12（10）, it is characterised in that the first three-phase alternating current output pair Three phase lines answered and the second three-phase alternating current export corresponding three phase lines and are connected electrically in three phase alternating current motor with corresponding to superposition On three-phase windings.
- 14. power electronic controller as claimed in claim 12（10）, it is characterised in that the first three-phase alternating current output pair Three phase lines answered and the second three-phase alternating current export corresponding three phase lines be respectively electrically connected to six phases of six cross streams motors around In group.
- 15. power electronic controller as claimed in claim 1（10）, it is characterised in that the power electronic controller（10） It is configured to body structure（11）, the first inverted power module assembly（200）, cooling sandwith layer（300）With the second inversion work( Rate module assembly（400）It is for respectively forming the body structure（11）Upper strata, intermediate layer and lower floor.
- 16. power electronic controller as claimed in claim 15（10）, it is characterised in that the cooling sandwith layer（300）By with It is set to the body structure（11）Main box a part, the first inverted power module assembly（200）With the second inversion Power module assembly（400）It is symmetrically dispersed in the cooling sandwith layer（300）Both sides up and down.
- 17. power electronic controller as claimed in claim 1（10）, it is characterised in that the power electronic controller（10） Further include low-voltage control circuit（500）And barricade（600）, wherein, the barricade（600）It is arranged on the low voltage control electricity Road（500）With the first inverted power module assembly（200）Or the second inverted power module assembly（400）Between be used for shield The electromagnetic interference of high-tension current signal.
- 18. a kind of electric automobile, it includes the alternating current generator for exporting power, it is characterised in that further including right such as will Seek the power electronic controller any one of 1 to 17（10）.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640198.9U CN207368890U (en) | 2017-06-05 | 2017-06-05 | Power electronic controller and electric automobile |
| PCT/CN2017/092489 WO2018223484A1 (en) | 2017-06-05 | 2017-07-11 | Power electronic controller, and electric car |
| TW107207517U TWM573705U (en) | 2017-06-05 | 2018-06-05 | Power electronic controller and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640198.9U CN207368890U (en) | 2017-06-05 | 2017-06-05 | Power electronic controller and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368890U true CN207368890U (en) | 2018-05-15 |
Family
ID=62425065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640198.9U Active CN207368890U (en) | 2017-06-05 | 2017-06-05 | Power electronic controller and electric automobile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207368890U (en) |
| TW (1) | TWM573705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988655A (en) * | 2017-06-05 | 2018-12-11 | 蔚来汽车有限公司 | Power electronic controller and electric car |
| CN112968653A (en) * | 2021-01-29 | 2021-06-15 | 中国第一汽车股份有限公司 | Electric drive system and vehicle |
-
2017
- 2017-06-05 CN CN201720640198.9U patent/CN207368890U/en active Active
-
2018
- 2018-06-05 TW TW107207517U patent/TWM573705U/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988655A (en) * | 2017-06-05 | 2018-12-11 | 蔚来汽车有限公司 | Power electronic controller and electric car |
| CN108988655B (en) * | 2017-06-05 | 2022-04-19 | 蔚来(安徽)控股有限公司 | Electric power electronic controller and electric automobile |
| CN112968653A (en) * | 2021-01-29 | 2021-06-15 | 中国第一汽车股份有限公司 | Electric drive system and vehicle |
| EP4266572A4 (en) * | 2021-01-29 | 2024-07-10 | China Faw Co Ltd | Electric drive system and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM573705U (en) | 2019-02-01 |
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Effective date of registration: 20200811 Address after: Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Weilai (Anhui) Holding Co., Ltd Address before: Room 502, Minsheng Bank Building, 12 Cecil Harcourt Road, central, Hongkong, China Patentee before: NIO NEXTEV Ltd. |
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