CN106685270A - Motor controller - Google Patents
Motor controller Download PDFInfo
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- CN106685270A CN106685270A CN201710079122.8A CN201710079122A CN106685270A CN 106685270 A CN106685270 A CN 106685270A CN 201710079122 A CN201710079122 A CN 201710079122A CN 106685270 A CN106685270 A CN 106685270A
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- China
- Prior art keywords
- master control
- driving plate
- control borad
- alternating current
- electric machine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a motor controller, which comprises a first driver board, a first main control board, a second driver board, a second main control board and an interface board, wherein the interface board is connected with the first main control board and the second main control board separately and inputs external bus signals into the first main control board and the second main control board through the interface board separately; the first main control board is connected with the first driver board and the first main control board outputs a first drive signal to the first driver board; the first driver board converts DC into AC according to the first drive signal and drives a first motor to rotate; the second main control board is connected with the second driver board and the second main control board outputs a second drive signal to the second driver board; and the second driver board converts the DC into the AC according to the second drive signal and drives a second motor to rotate. According to the motor controller, independent control on the motor is achieved, the volume of the motor controller is reduced and repairing, installation, maintenance and debugging are facilitated while the operation performance of the motor controller is improved.
Description
Technical field
The present invention relates to Drive Control Technique field, and in particular to a kind of electric machine controller.
Background technology
With the fast development of auto industry, and the lifting of technical level of science and technology so that Global Auto total amount quickly increases
Long, conventional fuel oil automobile has increasingly caused the concern of people to the increase of petroleum resources demand and the environmental problem brought.
In this case, the development of new-energy automobile and its breakthrough of correlation technique, make electric automobile replace traditional fuel-engined vehicle
Jing becomes the trend of a certainty so that sustainable green traffic instrument develops into possibility.Electric automobile is running over journey
In have the advantages that emission-free discharge, energy efficiency are high, noise is low, recoverable energy is more, the development of electric automobile can have
Effect solves transportation and energy and consumes and problem of environmental pollution.Battery and energy management technology, Motor drive and control technology and electronic
Vehicle complete vehicle controller is the big key technology of electric automobile three.Electric machine controller is used as connection battery and motor in new-energy automobile
Electric energy conversion unit, be the core of Motor drive and control system, its drive characteristic determines the main performance of running car
Index, directly affects system effectiveness and full-vehicle control performance.
It is shown in Figure 1, existing Dual-motors Driving electric vehicle structure schematic diagram, as can be seen from the figure the controller is hard
Part systems control division is divided into unified power supply, if power failure, can cause its controller DSP main control chips cannot be normal
Work, causes left and right motor while cannot operate, and there is potential safety hazard；And the excessive reliability of internal connector wiring is low, height
Piezoelectric detection security protection and external connector can not be installed as the problems such as debugging maintenance, inconvenience for causing same side.
The content of the invention
For defect of the prior art, the present invention provides a kind of electric machine controller, realizes the independent control to motor,
The volume and cheap maintenance and installation of electric machine controller is reduced while improving electric machine controller performance and is safeguarded and is debugged.
To solve above-mentioned technical problem, the present invention provides technical scheme below：
The invention provides a kind of electric machine controller, including：
First driving plate, the first master control borad, the second driving plate, the second master control borad and interface board；
The interface board is connected respectively with first master control borad and second master control borad, by the interface board point
Not to first master control borad and second master control borad input external bus signal；
First master control borad is connected with first driving plate, and first master control borad exports the first drive signal to institute
State the first driving plate；Unidirectional current is converted to alternating current and drives first by first driving plate according to first drive signal
Motor rotates the first motor；
Second master control borad is connected with second driving plate, and second master control borad exports the second drive signal to institute
State the second driving plate；Unidirectional current is converted to alternating current and drives second by second driving plate according to second drive signal
Motor rotates the second motor.
Further, first driving plate and the second driving plate adopt base plate for the IGBT of Pin-Fin radiator structures
Power model；
DC support thin-film capacitor is provided between first driving plate and second driving plate；The DC support is thin
The input of centre two of membrane capacitance connects respectively direct current stack bus bar and is connected with the direct current connector with high-voltage interlocking device；
Two outfans of DC support thin-film capacitor IGBT power models input respectively with first driving plate and institute
The IGBT power model inputs for stating the second driving plate are connected；
The IGBT power models outfan of first driving plate is by the first alternating current bus bar and carries high-voltage interlocking device
First three-phase alternating current adapter is connected；The IGBT power models outfan of second driving plate is by the second alternating current bus bar and band
The the second three-phase alternating current adapter for having high-voltage interlocking device is connected.
Further, first alternating current bus bar is provided with the first current sensor, the first current sensor collection
Exchange electrical information on first alternating current bus bar is simultaneously exported to the first master control borad；It is electric that second alternating current bus bar is provided with second
Flow sensor, second current sensor gathers the exchange electrical information on second alternating current bus bar and exports to the second master control
Plate.
Further, it is provided with active discharge resistance between two outfans of the DC support thin-film capacitor.
Further, first master control borad includes：Drive signal module and the control being connected with drive signal module
Signaling module processed；
The drive signal module includes：FPGA processor and current signal process circuit coupled respectively, event
Barrier protection circuit, voltage detecting circuit and driving signal output circuit；
The control signal module includes：MCU processors and coupled respectively processes temperature signal circuit, base
Quasi- potential circuit, high voltage interlock circuit, position signalling process circuit, CAN communicating circuit and power circuit.
Further, the electric machine controller also includes：Housing and end cap, using solid between the housing and the end cap
The mode for determining bolt connects；
First driving plate, first master control borad, second driving plate, second master control borad and the interface
Plate is separately positioned on the enclosure interior；First driving plate and second driving plate are disposed in parallel in the bottom of the housing
Portion side, the opposite side of bottom is provided with the DC support thin-film capacitor；The housing bottom is in first driving plate and institute
State and the direct current stack bus bar is provided between the second driving plate；
It is provided with the middle part of the housing and is done for isolating the electromagnetism that first driving plate and second driving plate are produced
The barricade disturbed, fixedly mounts first master control borad, second master control borad and the interface board on the barricade.
Further, the first three-phase alternating current adapter, the second three-phase alternating current adapter, the interface board and institute
State that direct current connector penetrates housing and the connected mode using flange is arranged on the same side of housing；And the direct current connector
It is arranged between the first three-phase alternating current adapter and the second three-phase alternating current adapter；The interface board is in the direct current
The top of connector.
Further, first master control borad and second master control borad are separately positioned on first driving plate and described
The top of the second driving plate；It is respectively arranged with the interface board：
The first signal port being connected with first master control borad and the first power port,
The secondary signal port being connected with second master control borad and second source port,
The CAN interface being connected with external bus,
High-voltage interlocking device interface, and
End cap opens inductive switch.
Further, the end cap is opened inductive switch and is welded on the interface board, and the end cap opens inductive switch
Outfan be connected with the first master control borad and the second master control borad respectively.
Further, liquid-cooling heat radiation water channel and louvre are provided with the housing；The liquid-cooling heat radiation water channel is described
First driving plate and second driving plate lower section are arranged in housing sidewall by sealing ring, and the liquid-cooling heat radiation water channel
Middle part is provided with distributing fin；
The end cap is sealed with the housing by conductive adhesive tape.
As shown from the above technical solution, a kind of electric machine controller of the present invention, using each independently-powered double master
Control plate Redundancy Design, another can be realized to motor with normal work during a motor control chip generation power failure
Independent control, reduces the volume and cheap maintenance and installation and dimension of electric machine controller while improving electric machine controller performance
Shield and debugging.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is Dual-motors Driving electric vehicle structure schematic diagram in prior art；
Fig. 2 is the structural representation of the electric machine controller of the present invention；
Fig. 3 is the axonometric chart of the electric machine controller of the present invention；
Fig. 4 is the housing top-level schematic of the electric machine controller of the present invention；
Fig. 5 is the housing bottom schematic diagram of the electric machine controller of the present invention.
Wherein, the driving plates of 1- first, the IGBT power models of the driving plates of 2- first, 3- current sensors, the motors of 4- first,
5- the first drive signal output ports, the master control borads of 6- first, 7- power input ports, 8- signal input ports, the power supplys of 9- first
Port, the signal ports of 10- first, 11- interface boards, 12-CAN EBIs, 13- end caps open inductive switch, 14- high-voltage interlockings
Device interface, 15- secondary signals port, 16- second sources port, 17- power ports, 18- signal ports, the master control borads of 19- second,
20- the second drive signal output ports, the motors of 21- second, the driving plates of 22- second, the IGBT power moulds of the driving plates of 23- second
Block, 24- housings, 25- end caps, 26- the first three-phase alternating current adapters, 27- direct current connectors, 28- the second three-phase alternating current adapters,
29- bolts hole, 30- water inlets, 31- louvres, 32- fixing bolts, 33- outlets, 34- barricades, 35- conductive adhesive tapes, 36-
First alternating current bus bar, 37-EMC plates, 38- DC support thin-film capacitors, 39- direct current stack bus bars.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Electric automobile has in the process of moving that emission-free discharge, energy efficiency are high, noise is low, recoverable energy is more
The advantages of, the development of electric automobile can effectively solving transportation and energy consumption and problem of environmental pollution.Electric machine controller is used as new energy
Connect the electric energy conversion unit of battery and motor in the automobile of source, be the core of Motor drive and control system, its drive characteristic is determined
Determine the main performance index of running car, directly affect system effectiveness and full-vehicle control performance.
Existing electric machine controller hardware configuration is complicated, is not easy to wire harness arrangement, and volume weight is larger to be unfavorable for that car load is each
Parts space arrangement, causes control system complexity, low reliability, cost increase, low space utilization, debugging inconvenient maintenance
The problems such as.Further, since the special running environment of electric automobile, also require electric machine controller have good radiating, waterproof and
Electromagnetism interference performance etc..To solve the above problems, the embodiment of the present invention provides a kind of electric machine controller.
The embodiment of the present invention provides a kind of electric machine controller, and referring to Fig. 2, the electric machine controller includes：
First driving plate 1, the first master control borad 6, the second driving plate 22, the second master control borad 19 and interface board 11；
The interface board 11 is connected respectively with first master control borad 6 and second master control borad 19, is connect by described
Oralia 11 is respectively to first master control borad 6 and second master control borad 19 input external bus signal；
First master control borad 6 is connected with first driving plate 1, and first master control borad 6 exports the first drive signal
To first driving plate 1；Unidirectional current is converted to alternating current and is driven by first driving plate 1 according to first drive signal
Dynamic first motor 4 rotates the first motor 4；
Second master control borad 19 is connected with second driving plate 22, and the output of the second master control borad 19 second drives letter
Number to second driving plate 22；Unidirectional current is converted to alternating current by second driving plate 22 according to second drive signal
And drive the second motor 21 to rotate the second motor 21.
In specific embodiment, interface board is received after instruction by bus, and the first master control borad and the second master control are passed to respectively
Plate, by each after two master control borad Treatment Analysis drive signal all the way is exported, and drives the first driving plate and the second driving plate work(
Rate device works, and makes the voltage waveform of electric machine controller output different frequency and phase place with motor rotation.First master control borad
By the output drive signal of the first drive signal output port 5 to the first driving plate；Second master control borad passes through the second drive signal
The output drive signal of output port 20 is to the second driving plate.By controlling IGBT (Insulated Gate Bipolar
Transistor) the switching frequency of power model, the alternating current of output amplitude two-way independence different with phase place is respectively used to control
First motor 4 and the second motor 21.Electric machine controller is coordinated by torque and rotating speed, adapts to electric automobile and advances, retreats, rises
The difference operating mode such as step, climbing, turning, acceleration and deceleration.
Knowable to foregoing description, a kind of electric machine controller of the present invention, using each independently-powered dual master control plate
Redundancy Design, another can realize the independence to motor with normal work during a motor control chip generation power failure
Control, improves electric machine controller performance.
Further, the driving plate 22 of first driving plate 6 and second adopts base plate for Pin-Fin (pin-plate) radiatings
IGBT (the Insulated Gate Bipolar Transistor) power model of structure；
DC support thin-film capacitor 38 is provided between first driving plate 6 and second driving plate 22；The direct current
The input of centre two of support film electric capacity 38 connects direct current stack bus bar 39 respectively and the direct current with high-voltage interlocking device connects
Plug-in unit 27 is connected；Two outfans of the DC support thin-film capacitor 38 respectively with the IGBT power of first driving plate
The input of module 2 is connected with the input of IGBT power models 23 of second driving plate；
The outfan of IGBT power models 2 of first driving plate is by the first alternating current bus bar 36 and carries high-voltage interlocking device
The first three-phase alternating current adapter 26 be connected；The outfan of IGBT power models 23 of second driving plate is female by the second exchange
Arrange and be connected with the second three-phase alternating current adapter 28 with high-voltage interlocking device.
In the specific implementation, the IGBT power models of the IGBT power models of the first driving plate and the second driving plate are by weldering
Connect mode to be connected with the first driving plate and the second driving plate respectively, choose the IGBT of power device and radiator integrated design
Power model, using Pin-Fin direct water-cooling radiating modes, makes IGBT power models obtain good cooling effect, reduce heat
Resistance improves power density.
A direct current support capacitor, DC support electric capacity and busbar collection are shared between first driving plate and the second driving plate
Integralization design design, is electrically connected busbar and adopts stack bus bar between high input voltage adapter and DC support electric capacity, letter
Clean compact design, saves inner space, reduces stray inductance and peak voltage protection IGBT power models.
Unidirectional current enters electric machine controller, Jing direct currents stack bus bar 39, EMC plates 37 and direct current by direct current connector 27
After support electric capacity 38, alternating current, the two-way of output are converted to by the IGBT module of left and right two 2,23 controlled by driving plate 1,22
Three-phase alternating current is exported by exchange connector 26,28, is supplied respectively to left and right motor.
Further, first alternating current bus bar 36 is provided with the first current sensor 3, first current sensor 3
Gather the exchange electrical information on first alternating current bus bar 36 and export to the first master control borad 6；Set on second alternating current bus bar
Have the second current sensor, second current sensor gather the exchange electrical information on second alternating current bus bar and export to
Second master control borad 19.
In the specific implementation, it is respectively welded horizontal automotive grade current sense in the first driving plate and the second driving plate
Device, the first master control borad and the second master control borad receive respectively the feedback signal of the first current sensor and the second electric current, play monitoring,
Protection and adjustment related output signal play the effect of being accurately controlled.Alternating current gathers electric current by automotive grade current sensor
Signal simultaneously delivers to the first master control borad and the second master control borad；
Further, it is provided with active discharge resistance between two outfans of the DC support thin-film capacitor 38.
In the specific implementation, active discharge resistance is arranged on EMC (Epoxy Molding Compound) with welding manner
On plate 37；EMC plates 37 are bolted on direct current stack bus bar 39.
Further, first master control borad 6 includes：Drive signal module and the control being connected with drive signal module
Signaling module processed；
The drive signal module includes：FPGA (Field-Programmable Gate Array) processors and point
Not coupled current signal process circuit, fault secure circuit, voltage detecting circuit and driving signal output circuit；
The control signal module includes：MCU (Microcontroller Unit) processors and difference are coupled
Processes temperature signal circuit, reference voltage circuit, high voltage interlock circuit, position signalling process circuit, the CAN for connecing
(Controller Area Network) bus communication circuit and power circuit.
In the specific implementation, the first master control borad is identical with the second master control borad, the first master control borad and the second master control borad
Power supply is powered each independently by interface board input, when one piece of master control borad power failure, is not affecting its another piece of master control borad just
Often work；Main control chip on first master control borad and the second master control borad is connected to one by wire harness by CAN communication in interface board
Rise, be in communication with each other verification.Wherein, the first master control borad is connected by power input port 7 and signal input port 8 with interface board 11
Connect；Second master control borad is connected by power port 17 and signal port 18 with interface board 11.
Further, referring to Fig. 3, the electric machine controller also includes：Housing 24 and end cap 25, the housing 24 with it is described
Connected by the way of fixing bolt 32 between end cap 25；
First driving plate 1, first master control borad 6, second driving plate 22, second master control borad 19 and institute
State interface board 11 to be separately positioned on inside the housing 24；First driving plate 1 and second driving plate 22 are set up in parallel
In the bottom side of the housing 24, the opposite side of bottom is provided with the DC support thin-film capacitor 38；The bottom of the housing 24
The direct current stack bus bar 39 is provided between first driving plate 1 and second driving plate 22；
Referring to Fig. 4 and Fig. 5, the middle part of the housing 24 is provided with drives for isolating first driving plate 1 and described second
Dynamic plate 22 produce electromagnetic interference barricade 34, fixedly mount on the barricade 34 first master control borad 6, described second
Master control borad 19 and the interface board 11.
In the specific implementation, the housing and end cap of electric machine controller adopts aluminum alloy materials integrated die-casting molding, is ensureing
Loss of weight measure is taken in the case of requirement of mechanical strength.The base of bottom four of electric machine controller is fixed on electricity by bolt hole 29
In the mounting bracket of machine controller；The barricade 34 of arrangement metal between two master control borads and two driving plates, and as far as possible
Reduce perforate.Barricade 34 plays the electromagnetism sense for supporting two master control borads and shielding IGBT power models part to bring and disturbs isolation
Effect；High-tension connector and signal connector that housing the same side is installed select the adapter for IP67 degree of protection.
Further, the first three-phase alternating current adapter 26, the second three-phase alternating current adapter 28, interface board
11 and the direct current connector 27 penetrates housing 24 and the connected mode using flange is arranged on the same side of housing 24；And institute
State direct current connector 27 to be arranged between the first three-phase alternating current adapter 26 and the second three-phase alternating current adapter 28；Institute
Interface board 11 is stated on the top of the direct current connector 27.
In the specific implementation, the first three-phase alternating current adapter 26, the second three-phase alternating current adapter 28 and direct current connector 27,
Interface board 11 is arranged on housing same side using flange, not only facilitates car load to be electrically connected and safeguard, can more compress control
The volume of device processed.
Further, first master control borad 6 and second master control borad 19 are separately positioned on the He of the first driving plate 1
The top of second driving plate 22；It is respectively arranged with the interface board 11：
The first signal port 10 being connected with first master control borad and the first power port 9,
The secondary signal port 15 being connected with second master control borad and second source port 16,
The CAN interface 12 being connected with external bus,
High-voltage interlocking device interface 14, and
End cap opens inductive switch 13.
In the specific implementation, constitute equipped with end cap unlatching inductive switch 13 and high-voltage interlocking device interface 14 on interface board 11
High-voltage interlocking observation circuit, when high tension loop disconnects extremely, disconnects in time high voltage power supply output.High-voltage interlocking HVIL (High
Voltage Interlock Loop), whole high-voltage product, wire, adapter and shield are checked by using electric small-signal
The electrical integrity (seriality) of lid, when identification loop disconnects extremely, disconnects in time high-tension electricity.
Further, the end cap is opened inductive switch 13 and is welded on the interface board 11, and the end cap opens sensing
The outfan of switch 13 is connected respectively with the first master control borad 6 and the second master control borad phase 19.
In the specific implementation, direct current connector 27, the first three-phase alternating current adapter 26 and the second three-phase alternating current adapter 28
The high-voltage interlocking device interface 14 of interface board 11 is connected to using fishing line and end cap opens the composition high-voltage interlocking detection of inductive switch 13
Circuit simultaneously sends into the first master control borad 6 and the second master control borad 19, and this circuit system can be used to guarantee on whole system high-voltage bus
Whether the integrity and controller end cap 25 of the whole high-voltage bus before electricity is opened, if there is abnormal disconnection in loop, will
Cutoff high power supply output immediately, and start active discharge, ensure the safety of user.
Further, liquid-cooling heat radiation water channel and louvre 31 are provided with the housing 24；The liquid-cooling heat radiation water channel exists
First driving plate 1 and the lower section of second driving plate 22 are arranged on the side wall of housing 24 by sealing ring, and the liquid is cold
Distributing fin is provided with the middle part of radiation water channel；
In the specific implementation, cooling water enters liquid-cooling heat radiation water channel, direct and IGBT power models by water inlet 30
Pin-Fin contact cooling radiates, and the heat that IGBT power models are produced directly quickly is taken away, and is flowed out by outlet 33,
Using Pin-Fin water-cooleds IGBT power model effect colder than traditional indirect dividing plate more preferably, thermal resistance can be reduced, improves power close
Degree.Water inlet in liquid-cooling heat radiation water channel, it is uniformly distributed turnover coolant using incline direction at water outlet, it is ensured that power device is obtained
Good cooling effect.
The end cap is sealed with the housing by conductive adhesive tape.
In the specific implementation, end cap 24 and housing 25 are sealed using fixing bolt 32 and by conductive adhesive tape 35, can be with
More preferably make end cap 24 and housing 25 form sealing and electric loop, shield the electromagnetic wave produced inside and out.Outside housing 25
Portion is equipped with two vent valves 31, the inside and outside differential pressure that temperature rise causes when balance motor controller works, and internal gas rapid expansion
When the effect released.
According to of the present invention, the electric machine controller of this kind of form has electrically and simple and compact for structure, installation and debugging dimension
Repair conveniently, rat tail is few；Excellent waterproof, electromagnetic shielding and heat dispersion；And small volume, lightweight, space availability ratio
Height, power to volume ratio >=22.5kw/L, and in the market the power to volume ratio of electric automobile Double Motor Control device is below this
Numerical value.
By foregoing description, electric machine controller provided in an embodiment of the present invention, the first master control borad and the second master control borad
It is each independently-powered, two parts IGBT power driver modules each independent operating can be made；IGBT module Pin-Fin structure is direct
Water cooling method, with good radiating, can reduce thermal resistance raising dual controller power to volume ratio；High-voltage interlocking detects circuit
Ensure that using safety with active discharge resistance；Sensor design reduces connector wire harness in driving plate, increases its each mould
Electric reliability between block；High-low pressure adapter is installed as the same side of housing, cheap maintenance and installation, maintenance and debugging；
Big so as to improve Double Motor Control body product, internal wire harness is more, power supply reliability is poor, the security protection of high pressure electro-detection safe, control
The shortcomings of device systematic function difference processed, modularity, intellectuality, integrated, light-weight design are realized, so as to reduce Double Motor Control device
Volume, make full use of car load space.
Above example is merely to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. a kind of electric machine controller, it is characterised in that the electric machine controller includes：First driving plate, the first master control borad, second
Driving plate, the second master control borad and interface board；
The interface board is connected respectively with first master control borad and second master control borad, by the interface board respectively to
First master control borad and second master control borad input external bus signal；
First master control borad is connected with first driving plate, and first master control borad exports the first drive signal to described the
One driving plate；Unidirectional current is converted to alternating current and drives the first motor by first driving plate according to first drive signal
Rotate the first motor；
Second master control borad is connected with second driving plate, and second master control borad exports the second drive signal to described the
Two driving plates；Unidirectional current is converted to alternating current and drives the second motor by second driving plate according to second drive signal
Rotate the second motor.
2. electric machine controller according to claim 1, it is characterised in that first driving plate and the second driving plate are adopted
With the IGBT power models that base plate is Pin-Fin radiator structures；
DC support thin-film capacitor is provided between first driving plate and second driving plate；The DC support thin-film electro
The input of centre two of appearance connects respectively direct current stack bus bar and is connected with the direct current connector with high-voltage interlocking device；It is described
Two outfans of DC support thin-film capacitor respectively with the IGBT power models input of first driving plate and described
The IGBT power model inputs of two driving plates are connected；
The IGBT power models outfan of first driving plate is by the first alternating current bus bar and with high-voltage interlocking device first
Three-phase alternating current adapter is connected；The IGBT power models outfan of second driving plate is by the second alternating current bus bar and with height
Second three-phase alternating current adapter of pressure interlocking device is connected.
3. electric machine controller according to claim 2, it is characterised in that first alternating current bus bar is provided with the first electric current
Sensor, first current sensor gathers the exchange electrical information on first alternating current bus bar and exports to the first master control
Plate；Second alternating current bus bar is provided with the second current sensor, and the second current sensor collection described second exchanges female
Exchange electrical information on row is simultaneously exported to the second master control borad.
4. electric machine controller according to claim 3, it is characterised in that two outputs of the DC support thin-film capacitor
Active discharge resistance is provided between end.
5. electric machine controller according to claim 4, it is characterised in that first master control borad includes：Drive signal mould
Block and the control signal module being connected with drive signal module；
The drive signal module includes：FPGA processor and current signal process circuit coupled respectively, failure are protected
Protection circuit, voltage detecting circuit and driving signal output circuit；
The control signal module includes：MCU processors and processes temperature signal circuit coupled respectively, benchmark electricity
Volt circuit, high voltage interlock circuit, position signalling process circuit, CAN communicating circuit and power circuit.
6. electric machine controller according to claim 5, it is characterised in that the electric machine controller also includes：Housing and end
Lid, is connected between the housing and the end cap by the way of fixing bolt；
First driving plate, first master control borad, second driving plate, second master control borad and the interface board point
It is not arranged on the enclosure interior；First driving plate and second driving plate are disposed in parallel in the bottom one of the housing
Side, the opposite side of bottom is provided with the DC support thin-film capacitor；The housing bottom is in first driving plate and described
The direct current stack bus bar is provided between two driving plates；
It is provided with the middle part of the housing for isolating the electromagnetic interference that first driving plate and second driving plate are produced
Barricade, fixedly mounts first master control borad, second master control borad and the interface board on the barricade.
7. electric machine controller according to claim 6, it is characterised in that the first three-phase alternating current adapter, described
Two three-phase alternating current adapters, the interface board and the direct current connector penetrate housing and the connected mode using flange is arranged
In the same side of housing；And the direct current connector is arranged on the first three-phase alternating current adapter and second three-phase alternating current
Between adapter；The interface board is on the top of the direct current connector.
8. electric machine controller according to claim 6, it is characterised in that first master control borad and second master control borad
It is separately positioned on the top of first driving plate and second driving plate；It is respectively arranged with the interface board：
The first signal port being connected with first master control borad and the first power port,
The secondary signal port being connected with second master control borad and second source port,
The CAN interface being connected with external bus,
High-voltage interlocking device interface, and
End cap opens inductive switch.
9. electric machine controller according to claim 8, it is characterised in that the end cap open inductive switch be welded on it is described
On interface board, the end cap is opened the outfan of inductive switch and is connected with the first master control borad and the second master control borad respectively.
10. electric machine controller according to claim 6, it is characterised in that liquid-cooling heat radiation water channel is provided with the housing
And louvre；The liquid-cooling heat radiation water channel is arranged on below first driving plate and second driving plate by sealing ring
In housing sidewall, and distributing fin is provided with the middle part of the liquid-cooling heat radiation water channel；
The end cap is sealed with the housing by conductive adhesive tape.
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| CN201710079122.8A CN106685270A (en) | 2017-02-14 | 2017-02-14 | Motor controller |
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| CN201710079122.8A CN106685270A (en) | 2017-02-14 | 2017-02-14 | Motor controller |
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| CN109131153A (en) * | 2018-08-15 | 2019-01-04 | 南京越博电驱动系统有限公司 | A kind of novel electric vehicle Double Motor Control device |
| CN110303900A (en) * | 2019-07-04 | 2019-10-08 | 宁德时代电动科技有限公司 | Double Motor Control device |
| CN111969663A (en) * | 2020-07-29 | 2020-11-20 | 重庆航天工业有限公司 | Unmanned aerial vehicle electrical source controller |
| CN111987938A (en) * | 2020-08-13 | 2020-11-24 | 王淳 | Compact controller device integrating multi-module motor and controller |
| CN112421993A (en) * | 2019-08-22 | 2021-02-26 | 伊顿智能动力有限公司 | Fault tolerant motor and zone controller apparatus |
| CN112787550A (en) * | 2019-11-11 | 2021-05-11 | 中车株洲电力机车研究所有限公司 | High-power-density integrated motor controller |
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| CN111969663A (en) * | 2020-07-29 | 2020-11-20 | 重庆航天工业有限公司 | Unmanned aerial vehicle electrical source controller |
| CN111987938A (en) * | 2020-08-13 | 2020-11-24 | 王淳 | Compact controller device integrating multi-module motor and controller |
| CN111987938B (en) * | 2020-08-13 | 2024-05-28 | 王淳 | Compact controller device integrating multiple-module motor and controller |
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Application publication date: 20170517 |