CN110247538A - Power inverter - Google Patents
Power inverter Download PDFInfo
- Publication number
- CN110247538A CN110247538A CN201910144192.6A CN201910144192A CN110247538A CN 110247538 A CN110247538 A CN 110247538A CN 201910144192 A CN201910144192 A CN 201910144192A CN 110247538 A CN110247538 A CN 110247538A
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- CN
- China
- Prior art keywords
- power
- reactor
- radiating part
- power inverter
- conversion circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02M1/00—Details of apparatus for conversion
-
- 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
-
- 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
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The present invention provides a kind of power inverter that can be improved cooling efficiency.Power inverter (1) has power module (21), reactor (22), capacitor unit (23), DC-DC converter (30), the first radiating part (71) and the second radiating part (72).Power module (21) has the first power conversion circuit portion, the second power conversion circuit portion and third power conversion circuit portion.Reactor (22) is connect with the third power conversion circuit portion of power module (21).Reactor (22) and DC-DC converter (30) are configured at the side opposite with power module (21) relative to the first radiating part (71) on third direction (D3).Capacitor unit (23) is configured at the side opposite with power module (21) relative to the second radiating part (72) on third direction (D3).
Description
Technical field
The present invention relates to power inverters.
Background technique
Conventionally, there is known a kind of vehicle driving unit, has the driving device shell of receiving generator and motor
With the power control unit for being equipped on driving device shell (for example, referring to Japanese Unexamined Patent Publication 2016-140198 bulletin).In the vehicle
With in driving unit, power control unit has 2 inversions being separately connected with generator and motor in unit housings
Device, the control unit of 2 inverters of control and current sensor etc..
[summary of invention]
[subject to be solved by the invention]
However, in the power inverter of the above-mentioned prior art, it is desirable to by composition and generator and motor point
Such as progress such as semiconductor element, capacitor and reactor of the electronic component of the electronic equipments such as the inverter not connected are effectively cold
But, make electronics miniaturization, to cut down expense needed for structure.
Summary of the invention
The purpose of the present invention is to provide a kind of power inverters that can be improved cooling efficiency.
[solution for solving the problem]
(1) power inverter of a scheme of the invention has: element arranges (for example, each element in embodiment arranges
PU1, PV1, PW1, PU2, PV2, PW2) comprising relative to motor (for example, the first motor 12 in embodiment and
Two motor 13) electric power of giving and accepting high side arm member (for example, each transistor UH, VH, WH of the high side arm in embodiment) and
Downside arm element (for example, each transistor UL, VL, WL of the low side arm in embodiment)；Voltage conversion is with element (for example, real
Apply the first transistor S1 and second transistor S2 in mode), it is electrically connected with element column；First radiating part is (for example, real
Apply the first radiating part 71 in mode) and the second radiating part (for example, second radiating part 72 in embodiment), they are being provided
On direction (for example, third direction D3 in embodiment) by element column be sandwiched between and be configured at two sides, and be formed with
For the refrigerant flow path (for example, refrigerant flow path 77,90 in embodiment) of refrigerant circulation；And multiple circuit constituting portion
Part (for example, reactor 22, capacitor unit 23 and DC-DC converter 30 in embodiment), they are in the prescribed direction
On be respectively relative to first radiating part and second radiating part and be configured at and arrange opposite side with the element, it is multiple
The circuit component parts has capacitor (for example, capacitor unit 23 in embodiment) and converts with the voltage with member
The reactor (for example, reactor 22 in embodiment) of part connection, the reactor is in the prescribed direction relative to institute
It states the first radiating part and is configured at and arranges opposite side with the element, the capacitor is in the prescribed direction relative to institute
It states the second radiating part and is configured at and arranges opposite side with the element.
(2) in the power inverter that above-mentioned (1) is recorded, it is also possible to multiple circuit component parts and has energy
Enough electric pressure converter (examples that supply voltage (for example, output voltage of the first battery 11 in embodiment) is depressured
Such as, the DC-DC converter 30 in embodiment), the electric pressure converter dissipates in the prescribed direction relative to described first
Hot portion and be configured at and arrange opposite side with the element.
(3) in the power inverter that above-mentioned (2) are recorded, it is also possible to the electric pressure converter and is configured at than described
Position of the reactor by the upstream side of the refrigerant flow path.
(4) in the power inverter that any one of above-mentioned (1)~(3) are recorded, it is also possible to from the regulation side
To when observation, the voltage conversion has the part Chong Die with the reactor with element.
(5) in the power inverter that above-mentioned (4) are recorded, it is also possible to the capacitor and has and the voltage turn
Use the electricity of source side connecting pin (for example, third busbar 53 and negative bus bar NV in the embodiment) electrical connection of element instead
Source capacitor (for example, first smoothing capacity device 41 in embodiment), when from the prescribed direction, the power supply
Side capacitors have the part Chong Die with the voltage conversion element and the reactor.
(6) power inverter that above-mentioned (2) or (3) are recorded can have the source side with the voltage conversion element
Connecting pin (for example, third busbar 53 and negative bus bar NV in embodiment) electrical connection power supply side capacitors (for example,
The first smoothing capacity device 41 in embodiment), and in the direction intersected with the prescribed direction (for example, in embodiment
First direction D1) on, the power supply side capacitors are configured between the reactor and the electric pressure converter.
[invention effect]
It according to above-mentioned (1), is arranged relative to element, reactor is configured at the first radiating part side, and capacitor is configured at second and dissipates
Hot portion side, therefore other than element column, additionally it is possible to reactor and capacitor are efficiently cooled down, so as to inhibit because of each portion
Enlargement caused by the cooling of part.
Moreover, being arranged relative to element, electric pressure converter and reactor are configured at the first heat dissipation in the case where above-mentioned (2)
Portion side, therefore be able to suppress the case where the region that can configure capacitor on the second radiating part reduces, and can be efficiently to electricity
Container is cooled down.
Moreover, making electric pressure converter cooling more preferential than reactor, thus, it is possible to reliably protect in the case where above-mentioned (3)
Protect the electric pressure converter supplied electric power such as the subsidiary engine class of the low pressure system in vehicle.
Moreover, being able to suppress the connection structure for converting the voltage into and being electrically connected with element with reactor in the case where above-mentioned (4)
The elongated situation of part, can be effectively performed wiring.
Moreover, in the case where above-mentioned (5), it is able to suppress and is electrically connected power supply side capacitors with element with voltage conversion
The elongated situation of connecting elements, can be effectively performed wiring.Moreover, capacitor has a power supply side capacitors, therefore even if
In the case where there are multiple capacitors also can centralized configuration, be able to suppress enlargement.
Moreover, being able to suppress and power supply side capacitors being electrically connected with reactor and electric pressure converter in the case where above-mentioned (6)
The elongated situation of the connecting elements connect, can be effectively performed wiring.
Detailed description of the invention
Fig. 1 is the side view for schematically showing the structure of power inverter of embodiments of the present invention.
Fig. 2 is the reactor and DC-DC converter for schematically showing the power inverter of embodiments of the present invention
The figure of configuration relative to the first radiating part.
Fig. 3 is the solid for schematically showing the structure of a part of power inverter of embodiments of the present invention
Figure.
Fig. 4 is the figure for indicating to carry the structure of a part of the vehicle of the power inverter of embodiments of the present invention.
Fig. 5 is the side for schematically showing the structure of the power inverter of first variation of embodiments of the present invention
View.
Fig. 6 is the side for schematically showing the structure of the power inverter of the second variation of embodiments of the present invention
View.
Fig. 7 is the side for schematically showing the structure of the power inverter of third variation of embodiments of the present invention
View.
Fig. 8 is the side for schematically showing the structure of the power inverter of the 4th variation of embodiments of the present invention
View.
Fig. 9 is a part for schematically showing the power inverter of 5th variation of embodiments of the present invention
The perspective view of structure.
[symbol description]
1 ... power inverter, 10 ... vehicles, 11 ... batteries, 12 ... first motor, 13 ... second motor,
21 ... power modules, 22 ... reactors (circuit component parts), 23 ... capacitor units (circuit component parts, capacitor),
25 ... first current sensors, 26 ... second current sensors, 27 ... third current sensors, 28 ... electronic control units,
29 ... drive element of the grid, 30 ... DC-DC converters (circuit component parts, electric pressure converter), 31 ... first electrical power conversions electricity
Road portion, 32 ... second power conversion circuit portions, 33 ... third power conversion circuit portions, 41 ... first smoothing capacity device (source sides
Capacitor), 53 ... third busbars (source side connecting pin), 70 ... refrigerant flow paths, 71. ... first radiating parts, 72 ... second
Radiating part, 76A ... mounting surface, 90 ... refrigerant flow paths, D1 ... first direction (prescribed direction), D2 ... second direction, D3 ...
Three directions, PV ... positive bus bar, NV ... negative bus bar (source side connecting pin), PU1, PV1, PW1, PU2, PV2, PW2,
PS ... element column, S1 ... the first transistor (voltage conversion element), S2 ... second transistor (voltage conversion element), UH,
Each transistor (high side arm member) of the high side arm of VH, WH ..., each transistor (downside arm element) of UL, VL, WL ... low side arm.
Specific embodiment
Hereinafter, being illustrated referring to an embodiment of the attached drawing to power inverter of the invention.
Electric power between the power inverter control motor of present embodiment and the first battery is given and accepted, and controls the
Decompression of the voltage of one battery relative to the second battery.For example, power inverter is equipped on electric vehicle etc..Electric vehicle
For electric motor vehicle, hybrid vehicle and fuel-cell vehicle etc..Electric motor vehicle using the first battery as power source into
Row driving.Hybrid vehicle is driven using the first battery and internal combustion engine as power source.Fuel-cell vehicle is with fuel electricity
Pond is that power source is driven.
Fig. 1 is the side view for schematically showing the structure of power inverter 1 of embodiments of the present invention.Fig. 2 is
The reactor 22 and DC-DC converter 30 for schematically showing the power inverter 1 of embodiments of the present invention are relative to
The figure of the configuration of one radiating part 71.Fig. 3 is a part for schematically showing the power inverter 1 of embodiments of the present invention
Structure perspective view.Fig. 4 is a part for indicating to carry the vehicle 10 of the power inverter 1 of embodiments of the present invention
The figure of structure.
<vehicle>
As shown in figure 4, vehicle 10 other than having power inverter 1, is also equipped with the first battery 11 (BATT), row
Sail the first motor 12 (MOT) of driving, the second motor 13 (GEN), the second battery 14 and the subsidiary engine class 15 of power generation.
Battery of first battery 11 for example as the high pressure of the power source of vehicle 10.First battery 11 has storage
Battery case and the multiple battery modules being contained in battery jar body.Battery module has multiple electric power storages of series connection
Pond monomer.First battery 11 has and the DC connector 1a of the power inverter 1 positive terminal PB connecting and negative pole end
Sub- NB.Positive terminal PB and negative terminal NB is connected to the anode for the multiple battery modules being connected in series in battery jar body
End and negative pole end.
First motor 12 generates rotary driving force by the electric power supplied from the first battery 11, and (power running is dynamic
Make).Second motor 13 generates generation power by the rotary driving force inputted to rotary shaft.Here, to the second motor
13 can transmit the rotary power of internal combustion engine.For example, the first motor 12 and the second motor 13 are the nothing of three-phase alternating current respectively
Brush DC motor.Three-phase is U phase, V phase and W phase.First motor 12 and the second motor 13 are respectively inner-rotor type.It is each electronic
Machine 12,13 has respectively: the rotor with exciting permanent magnet；And with for generating the rotary magnetic for rotating rotor
The stator of the stator winding of the three-phase of field.The stator winding of the three-phase of first motor 12 and the 1st of power inverter 1
Be connected device 1b connection.The stator winding of the three-phase of second motor 13 and the second three-phase connector 1c of power inverter 1
Connection.
Second battery 14 is, for example, the battery of the low pressure driven to the subsidiary engines class such as mobile unit of vehicle 10.The
Two batteries 14 are connect via the DC-DC converter 30 of power inverter 1 with the first battery 11.Second battery 14 is applied
Added with voltage obtained from being depressured from the voltage that DC-DC converter 30 exports, i.e. by the output voltage of the first battery 11.
Subsidiary engine class 15 is driven by the operating voltage of the voltage, i.e. subsidiary engine class 15 that export from the second battery 14.Subsidiary engine class
15 be, for example, various sensors and electrical installation device etc..
<power inverter>
Power inverter 1 has power module 21 (P/M), reactor 22, capacitor unit 23, resistor 24, first
Current sensor 25, the second current sensor 26, third current sensor 27, electronic control unit 28 (MOT GEN ECU), grid
Pole driving unit 29 (G/D VCU ECU) and DC-DC converter 30.
Power module 21 has the first power conversion circuit portion 31, the second power conversion circuit portion 32, third electrical power conversion
Circuit portion 33.First power conversion circuit portion 31 by the stator of the three-phase of the first three-phase connector 1b and the first motor 12 around
Group connection.The direct current that first power conversion circuit portion 31 will be inputted from the first battery 11 via third power conversion circuit portion 33
Electrical power conversion is at three-phase ac power.Second power conversion circuit portion 32 passes through the second three-phase connector 1c and the second motor 13
Three-phase stator winding connection.Second power conversion circuit portion 32 turns the three-phase ac power inputted from the second motor 13
Change direct current power into.It can be to the first battery 11 and the first electricity from the direct current power after the conversion of the second power conversion circuit portion 32
At least one party's supply in power conversion circuit 31.
First power conversion circuit portion 31 and the second power conversion circuit portion 32 have more by being connected by electric bridge respectively
The bridge circuit that a switch element is formed.For example, switch element is IGBT (Insulated Gate Bipolar
) or the crystal such as MOSFET (Metal Oxide Semi-conductor Field Effect Transistor) Transistor
Pipe.For example, in bridge circuit, pairs of high side arm and low side arm U phase transistor UH, UL, pairs of high side arm and low side arm V
Phase transistor VH, VL, pairs of high side arm and low side arm W phase transistor WH, WL are connected by electric bridge respectively.
Each transistor UH, VH, WH of high side arm, which are connect by collector with positive bus bar PI, constitutes high side arm.Each
Each positive bus bar PI of Xiang Zhong, high side arm are connect with the positive bus bar 50p of capacitor unit 23.
Each transistor UL, VL, WL of low side arm, which are connect by emitter with negative bus bar NI, constitutes low side arm.Each
Each negative bus bar NI of Xiang Zhong, low side arm are connect with the negative bus bar 50n of capacitor unit 23.
In each phase, the emitter of each transistor UH, VH, WH of high side arm at tie point TI with each crystal of low side arm
The collector of pipe UL, VL, WL connect.
The first busbar 51 and the first input that tie point TI is formed in each phase in the first power conversion circuit portion 31 are defeated
Terminal Q1 connection out.First input and output terminal Q1 is connect with the first three-phase connector 1b.First power conversion circuit portion 31
The tie point TI of each phase via the first busbar 51, the first input and output terminal Q1 and the first three-phase connector 1b and with first electricity
The stator winding of each phase of motivation 12 connects.
The second busbar 52 and the second input that tie point TI is formed in each phase in the second power conversion circuit portion 32 are defeated
Terminal Q2 connection out.Second input and output terminal Q2 is connect with the second three-phase connector 1c.Second power conversion circuit portion 32
The tie point TI of each phase via the second busbar 52, the second input and output terminal Q2 and the second three-phase connector 1c and with second electricity
The stator winding of each phase of motivation 13 connects.
Bridge circuit has collector-transmitting interpolar in each transistor UH, UL, VH, VL, WH, WL from emitter direction
Collector becomes the diode positively connected.
First power conversion circuit portion 31 and the second power conversion circuit portion 32 be based respectively on from drive element of the grid 29 to
Switch order, that is, grid signal of the grid input of each transistor UH, VH, WH, UL, VL, WL, to switch the transistor pair of each phase
Connection (conducting)/disconnection (cutting).It first power conversion circuit portion 31 will be from the first battery 11 via third electrical power conversion
The direct current power that circuit portion 33 inputs is converted into three-phase ac power, makes the logical of the stator winding of the three-phase to the first motor 12
The electric sequentially change of current, thus by the U phase current, V phase current and W phase current of exchange to the stator winding electrifying of three-phase.Second electric power
Connection (conducting)/disconnection that conversion circuit 32 passes through the transistor pair of each phase synchronous with the rotation acquirement of the second motor 13
(cutting) driving, so that the three-phase ac power exported from the stator winding of the three-phase of the second motor 13 is converted into direct current
Power.
Third power conversion circuit portion 33 is voltage control unit (VCU).Third power conversion circuit portion 33 has in pairs
High side arm and low side arm switch element.For example, third power conversion circuit portion 33 has the first transistor S1 of high side arm
And the second transistor S2 of low side arm.
The first transistor S1 is connect with positive bus bar PV by collector and constitutes high side arm.The anode confluence of high side arm
PV is connect with the positive bus bar 50p of capacitor unit 23.Second transistor S2 is connected by emitter and negative bus bar NV
It connects and constitutes low side arm.The negative bus bar NV of low side arm is connect with the negative bus bar 50n of capacitor unit 23.Capacitor list
The negative bus bar 50n of member 23 is connect with the negative terminal NB of the first battery 11.The transmitting of the first transistor S1 of high side arm
The collector of the second transistor S2 of pole and low side arm connects.Third power conversion circuit portion 33 have in the first transistor S1 and
The respective collector of second transistor S2-transmitting interpolar becomes the diode positively connected from emitter towards collector.
Form the third busbar 53 of the tie point of the first transistor S1 of high side arm and the second transistor S2 of low side arm
It is connect with reactor 22.The both ends of reactor 22 are connected to the tie point of the first transistor S1 and second transistor S2, the first storage
The positive terminal PB of battery 11.Reactor 22 has the temperature sensor of the temperature of coil and detection coil.Temperature sensor is logical
It crosses signal wire and is connect with electronic control unit 28.
Third power conversion circuit portion 33 is based on from drive element of the grid 29 to the first transistor S1 and second transistor S2
Switch order, that is, grid signal of respective grid input, carrys out connection (conducting)/disconnection (cutting) of switching transistor pair.
Third power conversion circuit portion 33 boosting when, alternately switch second transistor S2 be set as connect (conducting) and
The first transistor S1 is set to OFF the first state of (cutting) and second transistor S2 is set to OFF (cutting) and the first crystalline substance
Body pipe S1 is set as connecting second state of (conducting).In the first state, electric current is sequentially to the positive terminal of the first battery 11
Sub- PB, reactor 22, second transistor S2, the first battery 11 negative terminal NB flowing, reactor 22 by DC excitation and
Accumulate magnetic energy.In the second condition, interfere to reactor 22 flow electric current be cut off caused by magnetic flux variation and in reactance
Electromotive force (induced voltage) is generated between the both ends of device 22.Accumulate the induced voltage caused by the magnetic energy of reactor 22 and battery electricity
Laminated adds, thus anode of the boost voltage higher than the voltage between terminals of the first battery 11 to third power conversion circuit portion 33
Apply between busbar PV and negative bus bar NV.
Third power conversion circuit portion 33 alternately switches the second state and first state in regeneration.In the second state
Under, electric current is sequentially stored to the positive bus bar PV in third power conversion circuit portion 33, the first transistor S1, reactor 22, first
The positive terminal PB of battery 11 flows, and reactor 22 accumulates magnetic energy by DC excitation.In the first state, it interferes to reactor
The electric current of 22 flowings is cut off the variation of caused magnetic flux and generates electromotive force (induced voltage) between the both ends of reactor 22.It stores
Product induced voltage caused by the magnetic energy of reactor 22 is depressurized, thus than the positive bus bar in third power conversion circuit portion 33
Positive terminal PB from the low step-down voltage of voltage between PV and negative bus bar NV to the first battery 11 and negative terminal NB it
Between apply.
Capacitor unit 23 has the first smoothing capacity device 41, the second smoothing capacity device 42, noise filter 43.
First smoothing capacity device 41 is connected between the positive terminal PB and negative terminal NB of the first battery 11.First is flat
Sliding capacitor 41 makes connecing for adjoint the first transistor S1 when the regeneration in third power conversion circuit portion 33 and second transistor S2
Switching action that on/off is opened and the variation in voltage smoothing generated.
Second smoothing capacity device 42 is connected to the first power conversion circuit portion 31 and the second power conversion circuit portion 32 respectively
Positive bus bar PI and negative bus bar NI between and third power conversion circuit portion 33 positive bus bar PV and cathode
Between busbar NV.Second smoothing capacity device 42 is converged via positive bus bar 50p and negative bus bar 50n with multiple anodes
PI and negative bus bar NI and positive bus bar PV and negative bus bar NV connection.Second smoothing capacity device 42 makes adjoint
First power conversion circuit portion 31 and the second power conversion circuit portion 32 respective each transistor UH, UL, VH, VL, WH, WL's connects
Switching action that on/off is opened and the variation in voltage smoothing generated.Second smoothing capacity open-minded 42 makes third power conversion circuit portion
The switching action of the on/off of adjoint the first transistor S1 and second transistor S2 when 33 boosting and the voltage that generates becomes
Dynamic smoothing.
It is respective just that noise filter 43 is connected to the first power conversion circuit portion 31 and the second power conversion circuit portion 32
Between pole busbar PI and negative bus bar NI and the positive bus bar PV in third power conversion circuit portion 33 converges with cathode
Between NV.Noise filter 43 has 2 capacitors of series connection.The tie point of 2 capacitors is connected to vehicle 10
Vehicle body ground connection etc..
Resistor 24 is connected to the respective anode in the first power conversion circuit portion 31 and the second power conversion circuit portion 32 and converges
Flow a PI and negative bus bar NI between and third power conversion circuit portion 33 positive bus bar PV and negative bus bar NV
Between.
First current sensor 25 is configured at the tie point TI of each phase in the first power conversion circuit portion 31 that constitutes and with the
First busbar 51 of one input and output terminal Q1 connection, to detect U phase, V phase and the respective electric current of W phase.Second current sense
Device 26 is configured at the tie point TI of each phase in the second power conversion circuit portion 32 that constitutes and connect with the second input and output terminal Q2
The second busbar 52, to detect U phase, V phase and the respective electric current of W phase.It is brilliant that third current sensor 27 is configured at composition first
The tie point of body pipe S1 and second transistor S2 and the third busbar 53 connecting with reactor 22 flow to detect to reactor 22
Dynamic electric current.
First current sensor 25, the second current sensor 26 and third current sensor 27 respectively by signal wire with
Electronic control unit 28 connects.
Electronic control unit 28 controls the first motor 12 and the respective movement of the second motor 13.For example, electronic control
Unit 28 is soft come what is functioned by the processors such as CPU (Central Processing Unit) execution regulated procedure
Part function part.Software function portion is that have the processors such as CPU, the ROM (Read Only Memory) of save routine, temporarily storage
ECU (the Electronic Control of the electronic circuits such as the RAM (Random Access Memory) of data and timer
Unit).It should be noted that at least part of electronic control unit 28 is also possible to LSI (Large Scale
The integrated circuits such as Integration).For example, electronic control unit 28 executes the current detecting for using the first current sensor 25
Value and current target value corresponding with the torque instruction value for the first motor 12 electric current feedback control etc., come generate to
The control signal that drive element of the grid 29 inputs.For example, electronic control unit 28 executes the electricity for using the second current sensor 26
The feedback control etc. of the electric current of detected value and current target value corresponding with the regeneration instructions value for the second motor 13 is flowed, is come
Generate the control signal inputted to drive element of the grid 29.Controlling signal is indicated to the first power conversion circuit portion 31 and second
Power conversion circuit portion 32 respective each transistor UH, VH, WH, UL, VL, WL are connected (conducting)/disconnection (cutting) driving
Opportunity signal.For example, control signal is by modulated signal of pulse width etc..
Drive element of the grid 29 is based on the control signal received from electronic control unit 28, to generate to the first electrical power conversion
Circuit portion 31 and the second power conversion circuit portion 32 respective each transistor UH, VH, WH, UL, VL, WL are actually connected
The grid signal of (conducting)/disconnection (cutting) driving.For example, drive element of the grid 29 executes amplification and the level of control signal
Displacement etc. and generate grid signal.
Drive element of the grid 29 generates the first transistor S1 and second transistor S2 to third power conversion circuit portion 33
The grid signal of (conducting)/disconnection (cutting) driving is connected respectively.For example, drive element of the grid 29 generates and third electricity
When the boosting of power conversion circuit 33 boost voltage instruction or third power conversion circuit portion 33 regeneration when step-down voltage
Instruct the grid signal of corresponding duty ratio.Duty ratio is the ratio of the first transistor S1 and second transistor S2.
DC-DC converter 30 have via DC connector 1a and with the positive terminal PB and negative pole end of the first battery 11
The the first positive bus bar 60p1 and the first negative bus bar 60n1 of sub- NB connection.DC-DC converter 30 has and the second electric power storage
The the second positive bus bar 60p2 and the second negative bus bar 60n2 of positive terminal and the negative terminal connection in pond 14.
It should be noted that DC-DC converter 30 can be with other components such as power of composition power inverter 1
Module 21 etc. is configured in same unit, can also be configured at and be constituted the list that other components of power inverter 1 are configured
The outside of member.
As shown in figure 3, respectively in the first power conversion circuit portion 31 of power module 21, the second power conversion circuit portion 32
And in third power conversion circuit portion 33, the switch element of pairs of high side arm and low side arm forms element column.
In the first power conversion circuit portion 31, high side arm and low side arm U phase transistor UH, UL form element column PU1, high
Side arm and low side arm V phase transistor VH, VL form element column PV1, and high side arm and low side arm W phase transistor WH, WL form element
Arrange PW1.
In the second power conversion circuit portion 32, high side arm and low side arm U phase transistor UH, UL form element column PU2, high
Side arm and low side arm V phase transistor VH, VL form element column PV2, and high side arm and low side arm W phase transistor WH, WL form element
Arrange PW2.
In third power conversion circuit portion 33, the first transistor S1 of high side arm and the second transistor S2 shape of low side arm
At element column PS.
In each element column PU1, PV1, PW1, PU2, PV2, PW2, PS, the switch element of high side arm and the switch of low side arm
Element is for example arranged along the second direction D2 orthogonal with defined first direction D1.
3 element column PU1, PV1 in the first power conversion circuit portion 31, PW1,3 of the second power conversion circuit portion 32
Element column PU2, PV2, PW2, third power conversion circuit portion 33 1 element column PS sequentially arranged on defined first direction D1
Column configuration.Moreover, 3 element column PU1, PV1, PW1 in the first power conversion circuit portion 31 are sequentially arranged along first direction D1 and match
It sets, 3 element column PU2, PV2, PW2 in the second power conversion circuit portion 32 are sequentially arranged configuration along first direction D1.
As shown in Figures 1 and 3, power inverter 1 has orthogonal with defined first direction D1 and second direction D2
Third direction D3 on the first radiating part 71 (W/J) and the second radiating part 72 (W/J), 2 of power module 21 are sandwiched from two sides
73,4 containment members 74 of connector portions.For example, third direction D3 is the thickness direction of power module 21.
First radiating part 71 and the second radiating part 72 have radiating shell 75 and heat sink 76 respectively.
The shape of radiating shell 75 is for example formed as rectangular box.The system for refrigerant circulation is formed in radiating shell 75
Refrigerant line 77.Refrigerant flow path 77 is formed by marking off the wall portion of groove in the inside of radiating shell 75.First heat dissipation
The refrigerant flow path 77 in portion 71 and the refrigerant supply mouth 75a and refrigerant formed on the radiating shell 75 of the first radiating part 71
Outlet 75b connection.Refrigerant supply mouth 75a and refrigerant outlet 75b are for example formed in 4 corners of radiating shell 75
Non-conterminous 2 corners.
It is connected with the refrigerant supply pipe 78 for being externally supplied refrigerant on the first radiating part 71 and is made to outside discharge
The refrigerant discharge leader 79 of cryogen.The internal flow path of refrigerant supply pipe 78 is connected to refrigerant supply mouth 75a.Refrigerant discharge
The internal flow path of pipe 79 is connected to refrigerant outlet 75b.
First flow path 77a and are for example formed in the first radiating part 71 and the respective radiating shell 75 of the second radiating part 72
Two flow path 77b as refrigerant flow path 77, first flow path 77a and second flow path 77b when from third direction D3, with
Branch side by side between the position that refrigerant supply mouth 75a and refrigerant outlet 75b are faced respectively.It is seen from third direction D3
When examining, first flow path 77a is for example with the switch element of the high side arm with each element column PU1, PV1, PW1, PU2, PV2, PW2, PS
The mode of coincidence extends along first direction D1.When from third direction D3, second flow path 77b with each element for example to arrange
The mode that the switch element of the low side arm of PU1, PV1, PW1, PU2, PV2, PW2, PS is overlapped extends along first direction D1.
In radiating shell 75, other than being constituted towards the face of opposite side to power module 21 relative to power module 21
The mounting surface 75A that circuit component parts is carried.Circuit component parts in power inverter 1 be, for example, reactor 22,
Capacitor unit 23 and DC-DC converter 30 etc..
The shape of heat sink 76 is for example formed as the plate with the size roughly the same with radiating shell 75.Heat sink 76
It connect with the wall portion of radiating shell 75, is sealed refrigerant flow path 77 and occluding the open end of groove.In heat sink 76
4 corners in non-conterminous 2 corners be formed with refrigerant supply mouth 75a and refrigerant outlet with radiating shell 75
75b is faced respectively and 2 through hole 76a being connected to.
In heat sink 76, is constituted relative to radiating shell 75 towards the face of opposite side and power module 21 is carried
Mounting surface 76A.Heat sink 76 is on the surface 76B of the opposite side of the mounting surface 76A on thickness direction (i.e. third direction D3)
Have the multiple cooling fins functioned as radiator.It is multiple to dissipate in the state that heat sink 76 is assembled in radiating shell 75
Backing is configured in refrigerant flow path 77.
For example, connector portions 73 are configured at and refrigerant supply mouth 75a and refrigerant discharge when from third direction D3
The position that mouth 75b is faced respectively.It is formed on third direction D3 and refrigerant supply mouth 75a or refrigerant row in connector portions 73
Export the through hole 73a that 75b is faced and is connected to.
Containment member 74 is configured between heat sink 76 and connector portions 73.It is formed on containment member 74 in third direction
The upper through hole 73a with the through hole 76a of heat sink 76 and connector portions 73 of D3 is faced and the through hole 74a that is connected to.Containment member
74 in a manner of connecting the through hole 73a of the through hole 76a of heat sink 76 and connector portions 73 and seal, by heat sink 76 with connect
It is sealed between head 73.
As shown in Figures 1 and 2, the shape of reactor 22 and DC-DC converter 30 with first direction D1, second direction D2 and
The roughly the same mode of either one upward size in third direction D3 is formed.For example, reactor 22 and DC-DC conversion
The shape of device 30 is shaped generally as the same shape, first direction D1, the second direction D2 of reactor 22 and DC-DC converter 30 and
Size on third direction D3 is shaped generally as identical.
Reactor 22 and DC-DC converter 30 are configured at the mounting surface 75A of the radiating shell 75 of the first radiating part 71.That is,
Reactor 22 and DC-DC converter 30 are configured at and 21 phase of power module on third direction D3 relative to the first radiating part 71
Anti- side.
In the mounting surface 75A of the first radiating part 71, reactor 22 and DC-DC converter 30 are matched along first direction D1 arrangement
It sets.DC-DC converter 30 is for example configured at the position than reactor 22 by the upstream side of refrigerant flow path 77.
When from third direction D3, the element column PS in the third power conversion circuit portion 33 of power module 21 and reactance
Device 22 has overlapped part.
Capacitor unit 23 is configured at the mounting surface 75A of the radiating shell 75 of the second radiating part 72.That is, capacitor unit 23
The side opposite with power module 21 is configured at relative to the second radiating part 72 on third direction D3.
In the mounting surface 75A of the second radiating part 72, the first smoothing capacity device 41 (C1) of capacitor unit 23 and second
Smoothing capacity device 42 (C2) is for example arranged along first direction D1.When from third direction D3, the first smoothing capacity device
41 have overlapped part with the element column PS and reactor 22 in the third power conversion circuit portion 33 of power module 21.
Circuit substrate 81 (G/D) equipped with drive element of the grid 29 is for example on third direction D3 relative to capacitor list
Member 23 and be configured at the side opposite with the second radiating part 72.When from third direction D3, circuit substrate 81 at least has
The overlapped part with power module 21.
Power module 21 is connect with circuit substrate 81 (G/D) by the signal wire 82 of grid signal.For example, signal wire 82
It is shaped as pin-shaped.Signal wire 82 for example from third direction D3 power module 21 and circuit substrate 81 it is mutually opposed
It draws in opposed faces, is extended parallel between power module 21 and circuit substrate 81 with third direction D3.
As described above, power inverter 1 according to the present embodiment, reactor 22 and DC-DC converter 30 are equipped on
First radiating part 71, capacitor unit 23 are equipped on the second radiating part 72, therefore other than power module 21, additionally it is possible to will be electric
Container unit 23, reactor 22 and DC-DC converter 30 efficiently cool down.Thereby, it is possible to inhibit the multiple of power inverter 1
Circuit component parts becomes large-scale situation because of cooling respectively.
In addition, can be improved the freedom degree of the configuration about capacitor unit 23 on the second radiating part 72, and can
Ensure the size in the region of configurable capacitor unit 23 relative to the earth.Thereby, it is possible to inhibit capacitor slits unit 23 and power
The connecting elements of each element column PU1, PV1, PW1, PU2, PV2, PW2, PS electrical connection of module 21 is (for example, each positive bus bar
PI, 50p, PV, each negative bus bar NI, 50n, NV and third busbar 53 etc.) elongated situation, the length of connecting elements is because of position
The generation for a problem that setting and becoming the case where the inductance of non-uniform situation or connecting elements locally becomes larger.
In addition, capacitor unit 23 has multiple capacitors (i.e. the first smoothing capacity device 41 and the second smoothing capacity device
42), therefore multiple capacitors can be concentrated on the second radiating part 72 and is integrally configured, be able to suppress capacitor unit 23
Enlargement.Thereby, it is possible to inhibit on third direction D3 by capacitor unit 23 be sandwiched between the power module that configures
21 and circuit substrate 81 (G/D) carry out the elongated situation of signal wire 82 interconnected.Moreover, the length by inhibiting signal wire 82
The increase of degree so as to inhibit the increase of the electromagnetic noise invaded to signal wire 82, and is able to suppress the electricity of signal wire 82
The case where sense increases.
In addition, can be shielded due to being configured with the second radiating part 72 between power module 21 and circuit substrate 81
From power module 21 towards the electromagnetic noise of circuit substrate 81.
In addition, big on reactor 22 and the first direction D1 of DC-DC converter 30, second direction D2 and third direction D3
It is small to be shaped generally as identical, therefore reactor 22 and DC-DC converter 30, energy can be efficiently configured on the first radiating part 71
Enough inhibit the enlargement of power inverter 1.
In addition, when from third direction D3, the first smoothing capacity device 41, third power conversion circuit portion 33 element
Arranging PS and reactor 22 has overlapped part, thus, it is possible to the connecting elements for inhibiting the phenomenon that be electrically connected to each other is elongated,
Wiring can be effectively performed.
In addition, reactor 22 and DC-DC converter 30 are equipped on the refrigeration in the first radiating part 71 and the second radiating part 72
Ratio the first radiating part 71 of the second radiating part 72 on the upstream side in the circulation path of agent, therefore specific capacitance device unit 23 is preferentially cold
But, it thus allows for minimizing.
In addition, DC-DC converter 30 is equipped on the first radiating part 71, and turn DC-DC in the first radiating part 71
Parallel operation 30 is than the preferential cooling of reactor 22, and thus, it is possible to the DC-DC that the subsidiary engine class 15 reliably protected to low pressure system supplies electric power
Converter 30.
Hereinafter, illustrating the variation of embodiment.
In the above-described embodiment, the circuit substrate 81 (G/D) equipped with drive element of the grid 29 is in third direction
The upper mode being laminated with capacitor unit 23 of D3 configures, but is not limited to this.
Fig. 5 is the structure of the power inverter 1 for the first variation for schematically showing embodiments of the present invention
Side view.As shown in figure 5, circuit substrate 81 is along first direction D1 and power mould in the power inverter 1 of first variation
Block 21 is arranged.Circuit substrate 81 for example has the first circuit substrate 81a and second circuit substrate 81b.First circuit substrate
81a and second circuit substrate 81b are configured in a manner of sandwiching power module 21 from the two sides of first direction D1.
Each signal wire 82 that power module 21 and the first circuit substrate 81a and second circuit substrate 81b are separately connected
Such as from first direction D1 power module 21 and the first circuit substrate 81a and second circuit substrate 81b it is respective mutually opposed
Opposed faces on draw, and power module 21 and the first circuit substrate 81a and second circuit substrate 81b respectively between with first
Direction D1 is extended parallel to.
According to the first variation, it is elongated to be able to suppress the signal wire 82 for connecting power module 21 with circuit substrate 81
Situation, and inhibit the increase of the electromagnetic noise invaded to signal wire 82, and inhibit the increase of the inductance of signal wire 82.
In the above-described embodiment, power inverter 1 can also have connection power module 21 and circuit substrate
The shield member 83 that 81 signal wire 82 is shielded from the circuit component parts of high pressure.
Fig. 6 is the structure for schematically showing the power inverter 1 of the second variation of embodiments of the present invention
Side view.As shown in fig. 6, the power inverter 1 of the second variation is between power module 21 and circuit substrate 81, first
Has shield member 83 between signal wire 82 on the D1 of direction and capacitor unit 23.Shield member 83 is, for example, by metal material
The tabular component of formation.
Signal wire 82 for example from the end face of the power module 21 on first direction D1 and third direction D3 with capacitor list
It draws on the surface of first 23 opposed circuit substrates 81.Signal wire 82 is for example drawn from power module 21 along first direction D1 backward
Third direction D3 bends and extends towards circuit substrate 81.
According to second variation, shield member 83 is relative to relatively becoming the capacitor unit 23 of high voltage for signal
Line 82 shields, therefore is able to suppress the increase of the electromagnetic noise invaded to signal wire 82.
In the above-described embodiment, the first radiating part 71 and the second radiating part 72 respectively in the flow of refrigerant can be with
It is set as mutually different flow according to circuit component parts for becoming cooling object etc..
Fig. 7 is the structure for schematically showing the power inverter 1 of third variation of embodiments of the present invention
Side view.As shown in fig. 7, the thickness of the first radiating part 71 forms to obtain ratio second in the power inverter 1 of third variation
The thickness of radiating part 72 is big, and thus the flow set of the refrigerant in the first radiating part 71 must be than the refrigeration in the second radiating part 72
The flow of agent is big.
According to the third variation, reactor 22 and 30 specific capacitance device unit 23 of DC-DC converter are preferentially cooled, thus
It is able to carry out miniaturization.
In the above-described embodiment, the first smoothing capacity device 41 (C1) and the second smoothing capacity device of capacitor unit 23
42 (C2) are equipped on the mounting surface 75A of the second radiating part 72, but are not limited to this.
Fig. 8 is the structure for schematically showing the power inverter 1 of the 4th variation of embodiments of the present invention
Side view.As shown in figure 8, the second smoothing capacity device 42 is equipped on the second heat dissipation in the power inverter 1 of the 4th variation
The mounting surface 75A in portion 72, the first smoothing capacity device 41 are equipped on the mounting surface 75A of the first radiating part 71.In the first radiating part 71
Mounting surface 75A on, the first smoothing capacity device 41 is for example configured between reactor 22 and DC-DC converter 30.Reactor 22,
First smoothing capacity device 41 and DC-DC converter 30 are sequentially arranged configuration along first direction D1.
According to the 4th variation, it is able to suppress the first smoothing capacity device 41 and reactor 22 and DC-DC converter 30
The elongated situation of the connecting elements of electrical connection, can be effectively performed wiring.
In the above-described embodiment, the first radiating part 71 and the second radiating part 72 respectively in the formation of refrigerant flow path 77
For for each element column PU1, PV1, PW1, PU2, PV2, PW2, PS by the switch of the switch element of high side arm and low side arm
Element cools down side by side, but is not limited to this.
Fig. 9 is a part of the power inverter 1 for the 5th variation for schematically showing embodiments of the present invention
Structure perspective view.As shown in figure 9, the first electric power turns in the power module 21 of the power inverter 1 of 5th variation
Change 3 element column PU1, PV1 of circuit portion 31, PW1, the second power conversion circuit portion 32 3 element column PU2, PV2, PW2 with
Element with phase arranges the mode arranged in a second direction each other, is sequentially arranged configuration along first direction D1 respectively.Third electric power turns
The element column PS for changing circuit portion 33 arranges the second transistor S2 of the first transistor S1 of high side arm and low side arm in a second direction
It arranges and is configured near the first power conversion circuit portion 31 on first direction D1 and the second power conversion circuit portion 32.
Power inverter 1 has the 71 (W/ of the first radiating part for sandwiching power module 21 from two sides on third direction D3
) and the second radiating part 72 (W/J), 1 connector portions, 73,2 containment members 74 J.
First radiating part 71 and the second radiating part 72 have radiating shell 75 and heat sink 76 respectively.
The shape of radiating shell 75 is for example formed as rectangular box.The system for refrigerant circulation is formed in radiating shell 75
Refrigerant line 90.Refrigerant flow path 90 is formed by the multiple wall portions for separating groove in the delimitation of the inside of radiating shell 75.First
The refrigerant flow path 90 of radiating part 71 and the refrigerant supply mouth 75a and system formed on the radiating shell 75 of the first radiating part 71
Cryogen outlet 75b connection.Refrigerant supply mouth 75a and refrigerant outlet 75b is for example formed in 4 angles of radiating shell 75
2 D2 in a second direction in portion adjacent corners.
Third flow path 91 and are for example formed in the first radiating part 71 and the respective radiating shell 75 of the second radiating part 72
Four flow paths 92 and multiple branch flow passages 93 are as refrigerant flow path 90, third flow path 91 and the 4th flow path 92 from third
When direction D3 is observed, prolong from the position faced respectively with refrigerant supply mouth 75a and refrigerant outlet 75b along first direction D1
Stretch, multiple branch flow passages 93 between third flow path 91 and the 4th flow path 92 branch and in a second direction D2 extend.It is dissipated first
In the refrigerant flow path 90 in hot portion 71, third flow path 91 is connected to refrigerant supply mouth 75a, and the 4th flow path 92 is discharged with refrigerant
Mouth 75b connection.
Multiple branch flow passages 93 are opposite with the three of the first power conversion circuit portion 31 and the second power conversion circuit portion 32
3 branch flow passages 93u, 93v, the 93w and 1 branch flow passage 93s corresponding with third power conversion circuit portion 33 answered.From
When three direction D3 are observed, D2 extension in a second direction in a manner of branch flow passage 93u is overlapped by element column PU1, PU2 with U phase.?
When from third direction D3, branch flow passage 93v be overlapped by element column PV1, PV2 with V phase in a manner of in a second direction D2 prolong
It stretches.When from third direction D3, branch flow passage 93w be overlapped by element column PW1, PW2 with W phase in a manner of in a second direction
D2 extends.When from third direction D3, branch flow passage 93s is with the first transistor S1 and second transistor with element column PS
D2 extends the mode that S2 is overlapped in a second direction.
In radiating shell 75 relative to power module 21 and other than constituting towards the face of opposite side to power module 21
The mounting surface 75A that circuit component parts is carried.Circuit component parts in power inverter 1 be, for example, reactor 22,
Capacitor unit 23 and DC-DC converter 30 etc..
The shape of heat sink 76 is for example formed as the plate with the size roughly the same with radiating shell 75.Heat sink 76
It is connect with the wall portion of radiating shell 75, the open end of groove is occluded and seals refrigerant flow path 90.At 4 of heat sink 76
2 D2 in a second direction in corner adjacent corners are formed with refrigerant supply mouth 75a and refrigerant with radiating shell 75
Outlet 75b is faced respectively and 2 through hole 76a being connected to.
It is constituted towards the face of opposite side and power module 21 is carried relative to radiating shell 75 in heat sink 76
Mounting surface 76A.Heat sink 76 is on the surface 76B of the opposite side of the mounting surface 76A on thickness direction (i.e. third direction D3)
Have the multiple cooling fins functioned as radiator.It is multiple to dissipate in the state that heat sink 76 is assembled in radiating shell 75
Backing is configured in refrigerant flow path 90.
For example, connector portions 73 are configured at and refrigerant supply mouth 75a and refrigerant discharge when from third direction D3
The position that mouth 75b is faced respectively.It is formed in connector portions 73 on third direction D3 and refrigerant supply mouth 75a and refrigerant
Outlet 75b is faced respectively and each through hole 73a for being connected to.
Containment member 74 is configured between heat sink 76 and connector portions 73.It is formed on containment member 74 in third direction
The upper through hole 73a with the through hole 76a of heat sink 76 and connector portions 73 of D3 is faced and the through hole 74a that is connected to.Containment member
74 in a manner of connecting the through hole 73a of the through hole 76a of heat sink 76 and connector portions 73 and seal, by heat sink 76 with connect
It is sealed between head 73.
According to the 5th variation, it is able to suppress the temperature of the refrigerant between the upstream side and downstream side of refrigerant flow path 90
Spend the increase of gradient.Moreover, being able to suppress the cooling performance of each phase in the first motor 12 and the second motor 13 respectively
The case where difference increases, to uniformly be cooled down.
It should be noted that in the above-described embodiment, power inverter 1 is equipped on vehicle 10, but does not limit
Due to this, other equipment can also be equipped on.
It should be noted that in the above-described embodiment, power inverter 1 have control and the first motor 12 and
The the first power conversion circuit portion 31 and the second power conversion circuit portion that the electric power of second motor 13 this 2 motor is given and accepted
32, but it is not limited to this.Power inverter 1 also can control one or more motor.
It should be noted that in the above-described embodiment, the first of the control traveling driving of power inverter 1 is electronic
Machine 12 and the electric power of the second motor 13 of power generation are given and accepted, but are not limited to this.For example, power inverter 1 can also
To control other motor such as pump drive motor that the motor compressor of air-conditioning device etc. has.
Embodiments of the present invention have been presented by way of example only embodiment, are not intended to limit the range of invention.This
A little embodiments can be implemented in such a way that others are various, be able to carry out various provinces without departing from the spirit of the invention
Slightly, displacement, change.These embodiments or its deformation are contained in skill in the same manner as the case where being contained in range, the purport of invention
Invention and its equivalent range documented by art scheme.
Claims (6)
1. a kind of power inverter, which is characterized in that have:
Element column comprising give and accept the high side arm member and downside arm element of electric power relative to motor；
Voltage conversion element, is electrically connected with element column；
First radiating part and the second radiating part, they in the prescribed direction by the element column be sandwiched between and be configured at two sides,
And it is formed with the refrigerant flow path for refrigerant circulation；And
Multiple circuit component parts, they be respectively relative in the prescribed direction first radiating part and it is described second dissipate
Hot portion and be configured at and arrange opposite side with the element,
The reactor that multiple circuit component parts have capacitor and connect with the voltage conversion with element,
The reactor is configured at opposite with element column in the prescribed direction relative to first radiating part
Side,
The capacitor is configured at opposite with element column in the prescribed direction relative to second radiating part
Side.
2. power inverter according to claim 1, which is characterized in that
Multiple circuit component parts have can to the electric pressure converter that supply voltage is depressured,
The electric pressure converter is configured at and the element column phase in the prescribed direction relative to first radiating part
Anti- side.
3. power inverter according to claim 2, which is characterized in that
The electric pressure converter is configured at the position than the reactor by the upstream side of the refrigerant flow path.
4. power inverter described in any one of claim 1 to 3, which is characterized in that
When from the prescribed direction, the voltage conversion has the part Chong Die with the reactor with element.
5. power inverter according to claim 4, which is characterized in that
The capacitor has the power supply side capacitors being electrically connected with the source side connecting pin of the voltage conversion element,
When from the prescribed direction, the power supply side capacitors have and the voltage conversion element and the reactance
Think highly of folded part.
6. power inverter according to claim 2 or 3, which is characterized in that
The power inverter has the power supply lateral capacitance being electrically connected with the source side connecting pin of the voltage conversion element
Device,
On the direction intersected with the prescribed direction, the power supply side capacitors are configured at the reactor and the voltage turns
Between parallel operation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-043452 | 2018-03-09 | ||
| JP2018043452A JP7079625B2 (en) | 2018-03-09 | 2018-03-09 | Power converter |
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| Publication Number | Publication Date |
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| CN110247538A true CN110247538A (en) | 2019-09-17 |
| CN110247538B CN110247538B (en) | 2021-03-19 |
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| CN201910144192.6A Active CN110247538B (en) | 2018-03-09 | 2019-02-26 | Power conversion device |
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| JP7296336B2 (en) * | 2020-03-27 | 2023-06-22 | 株式会社日立製作所 | power converter |
| KR20220145653A (en) * | 2021-04-22 | 2022-10-31 | 현대자동차주식회사 | Inverter |
| JP7323002B2 (en) * | 2021-10-01 | 2023-08-08 | 富士電機株式会社 | power converter |
| JP7323001B2 (en) * | 2021-10-01 | 2023-08-08 | 富士電機株式会社 | power converter |
| JP7184138B1 (en) | 2021-10-01 | 2022-12-06 | 富士電機株式会社 | power converter |
| JP7243892B1 (en) | 2021-10-01 | 2023-03-22 | 富士電機株式会社 | Boost converter device |
| DE112022005914T5 (en) | 2022-02-22 | 2024-09-26 | Hitachi Astemo, Ltd. | Power conversion device |
| JP7180805B1 (en) | 2022-03-08 | 2022-11-30 | 富士電機株式会社 | Power conversion device and DC-DC converter device |
| JP7477035B1 (en) | 2023-09-20 | 2024-05-01 | 富士電機株式会社 | Power Conversion Equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110247538B (en) | 2021-03-19 |
| JP7079625B2 (en) | 2022-06-02 |
| JP2019161797A (en) | 2019-09-19 |
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