CN109334473A - High-power increasing journey straight drive system for electric car - Google Patents
High-power increasing journey straight drive system for electric car Download PDFInfo
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- CN109334473A CN109334473A CN201811448411.1A CN201811448411A CN109334473A CN 109334473 A CN109334473 A CN 109334473A CN 201811448411 A CN201811448411 A CN 201811448411A CN 109334473 A CN109334473 A CN 109334473A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The present invention relates to electric car fields, more particularly to a kind of high-power increasing journey straight drive system for electric car, including increasing journey engine device, cell apparatus, driving motor and electric machine controller, the increasing journey engine device includes increasing journey engine support, setting increases journey engine on the increasing journey engine support, the increasing journey engine is connected with ISG generator, ISG generator is connected to cell apparatus, increase journey engine and electric machine controller is connected to by ECU, the cell apparatus includes supercapacitor and lithium battery, the supercapacitor and lithium battery are installed on the car body by mounting rack, the driving motor is connected by the charging end of rectification circuit and cell apparatus, the discharge end of the cell apparatus is connect by electric machine controller with driving motor, the ISG generator passes through electric machine controller and driving Motor electrical connection, structure is simple, easy for installation, control precision is high, failure rate is low, energy utilization rate is high.
Description
Technical field
The present invention relates to electric car field more particularly to a kind of high-power increasing journey straight drive systems for electric car.
Background technique
Electric car is the main trend of China Automobile Industry, China be in terms of new-energy automobile it is very positive, this
It is primarily due to: first, the short crisis of traditional energy and the objective requirement of environmental protection, petroleum dependency degree of the China to foreign country
It rises year by year, and for auto industry generally in the stage of adjustment direction, new-energy automobile is the demand of entire industry at a time when this.
Second, the orthodox car industry in China especially passenger car starting is slower, relatively backward state is constantly in, if continuing to walk
The route of the enterprises such as Europe, then we may will keep backward state.Third, since early stage China is in battery, electricity
The technological accumulation in machine and automatically controlled equal fields, China have certain condition in terms of developing new-energy automobile, so, the Chinese government
Immediately following newest situation, the development that relevant policies encourage and help new-energy automobile, the key core skill of electric car have been formulated
There are three arts: first is that power battery, second is that motor, third is that control system, and increasing journey straight drive system is one that three combines
Important embodiment, existing increasing journey straight drive system mainly include increasing journey engine device, cell apparatus, driving motor and motor control
Device, installation trouble and control precision is low, energy utilization rate is low, high failure rate.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, provide a kind of structure it is simple, it is easy for installation, control essence
The high-power increasing journey straight drive system for electric car that degree is high, failure rate is low, energy utilization rate is high.
The present invention is achieved by the following technical solutions: a kind of high-power increasing journey straight drive system for electric car,
Including increasing journey engine device, cell apparatus, driving motor and electric machine controller, the increasing journey engine device includes increasing journey hair
Motivation bracket, setting increases journey engine on the increasing journey engine support, and the increasing journey engine is connected with ISG generator, ISG
Generator is connected to cell apparatus, increases journey engine by ECU and is connected to electric machine controller, the cell apparatus includes super electricity
Container and lithium battery, the supercapacitor and lithium battery are installed on the car body by mounting rack, and the driving motor passes through whole
The discharge end of the connection of the charging end of current circuit and cell apparatus, the cell apparatus is connected by electric machine controller and driving motor
It connects, the ISG generator is electrically connected by electric machine controller with driving motor.
Further, the increasing journey engine support includes lower chassis, and the lower chassis lower end, which is provided with, to be used for and car body
The connection frame of connection, the lower chassis upper end are provided with chassis, and the lower chassis and upper chassis are cuboid-type, under described
Damping device is provided between chassis and upper chassis, the upper chassis upper end, which is provided with, increases journey Der Motortraeger, the increasing journey
Der Motortraeger includes the pedestal that the first end of upper chassis is arranged in, and the pedestal upper end is provided with upward column, described
The upper end of the column is hinged with the first increasing journey engine connection frame, and the second end of the upper chassis is provided with upward second and increases Cheng Fadong
Machine connection frame, first increasing journey engine connection frame and the second motor mounts on be provided with for increase journey engine connect
Mounting hole, the connection frame includes the supporting leg that lower chassis lower end is arranged in, and there are two supporting legs, and two supporting legs are separately positioned on down
Chassis both ends middle position, the supporting leg lower end are provided with the first barrel roll, and the middle position of first barrel roll is connect with supporting leg,
Two the first barrel rolls are parallel to each other, and first rotating shaft is coated in the first barrel roll, and the first rotating shaft both ends all extend to the first cross
Roller, which is externally connected with, hangs supporting leg, and the supporting leg that hangs includes the boom fixed with first rotating shaft, and the end of the boom is provided with installation
Plate, the bolt hole for connecting with vehicle body is provided on the mounting plate, and the damping device includes that upper chassis four corners are arranged
Four downward hydraulic spring grease cups, the hydraulic spring grease cup both ends are coaxially set and have screw rod, and the hydraulic spring grease cup both ends pass through
Screw rod is connected with corresponding chassis.
Further, the upper chassis includes by four frames that successively end to end beam forms the four of the frame
The inside fixed plate for connecting with damping device is provided at a angle, the pedestal is fixed on the beam of chassis first end
Middle position, the pedestal are strip, and the pedestal is provided with upward stand with corresponding Liangping row, the pedestal both ends
Column is provided with the second shaft between two the upper end of the column, the second barrel roll, the interposition of second barrel roll is set in the second shaft
It sets and is connect with the first increasing journey engine connection frame, the first increasing journey engine connection frame includes the two pieces of increasing journey being parallel to each other hairs
Motivation fixed plate, the side for increasing fixed the second increasing of the board ends direction journey engine connection frame of journey engine are provided with installation
Hole, two pieces increase journey engine fixed plate and are provided with attachment beam, the company between the side of the second increasing journey engine connection frame
Connecing beam has three, and three attachment beams, which are separately positioned on, increases the fixed board ends of journey engine and middle position, is located at and increases journey engine
The attachment beam middle position in fixed plate middle position is fixed with the second barrel roll, and the increasing journey engine fixed plate is that opening is directed toward the
Two increase the arc panel of journey engine connection frame.
Further, the second increasing journey engine connection frame include be arranged in two of upper chassis be parallel to each other it is upward
Vertical plate, two vertical plate upper ends are coaxially set and have mounting hole.
Further, the mounting rack includes bottom plate, and the bottom plate both ends are provided with upward side plate, and both side plate is mutual
In parallel, bottom plate upper end middle position is provided with upward support plate, and the support plate upper end is provided with lateral top plate, institute
It states supercapacitor and lithium battery is separately positioned on support plate two sides, be separately provided for inwardly compressing between both side plate outer end
The dismountable block plate of supercapacitor and lithium battery, be provided on the downside of the top plate for prevent supercapacitor and lithium battery to
The limiting bracket of upper movement, the bottom plate lower end are provided with lateral mounting plate, and the support plate is aluminium alloy plate, the support
It is evenly arranged on plate for the thermal conductive belt with supercapacitor, lithium battery compression, the thermal conductive belt section is T-type, described to lead
The transverse part in the torrid zone is compressed with corresponding supercapacitor or lithium battery.
Further, the limiting bracket includes the connecting plate for being detachably secured to support plate upper end two sides, any connection
Plate lower end two sides are provided with outside lateral press beam, and support rod, the top plate two are provided between the press beam end and top plate
Outer end is provided with for the cable openings by cable, and downward cable is arranged at cable openings and fixes for the top plate lower end
Column is provided with ring-shaped groove in the cable fixed column, and two side position of baffle inner face is provided with bumper rubber, the bottom
Plate is aluminium alloy plate, and the bottom plate lower end surface is provided with downward radiating fin.
Further, the circuit control module includes that the BMS control circuit being connected with lithium battery and supercapacitor connect
The battery parameter acquisition device connect, the BMS control circuit and battery parameter acquisition device are electrically connected to MPU controller, described
It is connected after the parallel connection of supercapacitor and lithium battery by the driving motor of DC contactor and electric car, the DC contactor
Control terminal is electrically connected with MPU controller, and the circuit control module further includes the current-limiting resistance being arranged on power line and heat
Quick resistance.
Further, the rectification circuit includes the IGBT module and rectification being sequentially connected in series from driving motor to cell apparatus
Filter circuit.
The beneficial effects of the present invention are: the high-power increasing journey straight drive system setting for electric car increases journey engine branch
Frame and mounting rack facilitate installation to car body, increase journey engine by two-way and drive driving motor, the first via is to increase journey engine
Electric energy is recycled by ISG generator, cell apparatus, then driving motor is driven by cell apparatus, the second tunnel is to increase journey engine
Driving motor is driven by ISG generator and electric machine controller, energy utilization rate is high, failure rate is low；Increase journey engine support to set
It sets lower chassis, connection frame, upper chassis, damping device and increases journey Der Motortraeger, journey engine support will be increased by, which facilitating, is mounted on
On vehicle body, while installation being facilitated to increase journey engine, structure is simple, the operation is stable；Connection frame include hinged supporting leg and
Supporting leg is hung, during installation conveniently adjusting angle, and then facilitates installation；Damping device includes four hydraulic spring grease cups, and shock resistance is strong,
Job stability is high；Mounting rack is set, can supercapacitor and lithium battery be installed concentratedly and be managed, mounting stability height,
Route is short, failure rate is low；Thermal conductive belt is arranged in support plate, can be improved heat dissipation performance, and supercapacitor and lithium battery is avoided to overheat.
Detailed description of the invention
Fig. 1 is 1 annexation figure schematic diagram of embodiment；
Fig. 2 is 1 control flow chart schematic diagram of embodiment；
Fig. 3 is to increase journey engine support front view schematic diagram；
Fig. 4 is that upper chassis and increasing journey Der Motortraeger structural diagrams are intended to；
Fig. 5 is upper chassis and increasing journey Der Motortraeger left view schematic diagram；
Fig. 6 is mounting rack main view sectional view schematic diagram；
Fig. 7 is mounting rack left view schematic diagram；
Fig. 8 is that the direction A cross sectional view is intended in Fig. 6；
Fig. 9 is limiting bracket bottom view schematic diagram；
Figure 10 is cable fixed column structural diagrams intention；
Figure 11 is cell apparatus control principle drawing schematic diagram；
Figure 12 is rectification circuit annexation figure schematic diagram；
Wherein: 1- increases journey engine device, and 11- increases journey engine, chassis under 111-, the upper chassis of 112-, 1121- beam, and 1122- is solid
Fixed board, 1131- supporting leg, the first barrel roll of 1142-, 1153- boom, 1164- mounting plate, 1144- hydraulic spring grease cup, 1141- screw rod,
1151- pedestal, 1152- column, the second barrel roll of 1153-, 1161- increasing journey engine fixed plate, 1162- attachment beam, 117- vertical plate,
12-ISG generator, 13-ECU, 2- electric machine controller, 3- cell apparatus, 301- supercapacitor, 3022- lithium battery, 303- branch
Fagging, 304- thermal conductive belt, 305- bottom plate, 306- radiating fin, 307- baffle, 308- connecting column, 309- mounting plate, the top 310-
Plate, 311-PCB plate, 312- connecting plate, 313- press beam, 314- support rod, 315- cable fixed column, 316- cable openings, the side 17-
Plate, 318- ring-shaped groove, 319- bumper rubber, 320-BMS control circuit, 321- battery parameter acquisition device, 322-DC contact
Device, 323-MPU controller, 324- current-limiting resistance, 325- thermistor, 4- rectification circuit, 401- rectifier bridge, 402- filtered electrical
Hold, 403- filter inductance, 404-IGBT module, 5- driving motor.
Specific embodiment
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Below in conjunction with the attached drawing in inventive embodiments, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in figs. 1-12, a kind of high-power increasing journey straight drive system for electric car, including increase journey engine device 1, electricity
Pool device 3, driving motor 5 and electric machine controller 2, increasing journey engine device includes increasing journey engine support, increases journey engine branch
Installation increases journey engine 11 on frame, specifically, increasing journey engine support includes lower chassis 111, lower 1131 lower end of chassis is equipped with
Connection frame for connecting with car body, connection frame include the supporting leg 1131 that lower chassis lower end is arranged in, and there are two supporting legs 1131, and two
A supporting leg 1131 is separately mounted to lower chassis both ends middle position, and supporting leg lower end is fixed with the first barrel roll 1132, the first barrel roll
1132 middle position is connect with supporting leg, and two the first barrel rolls 1132 are parallel to each other, and first rotating shaft is coated in the first barrel roll, the
One both ends of the shaft, which all extends to the first barrel roll and is externally connected with, hangs supporting leg, and hanging supporting leg includes the boom 1133 fixed with first rotating shaft,
The end of boom is equipped with mounting plate 1134, is machined with the bolt hole for connecting with vehicle body on mounting plate 1134, supporting leg with hang
Supporting leg is hinged, during installation, facilitates adjustment setting angle, lower chassis upper end is equipped with chassis 112, and lower chassis and upper chassis are equal
For cuboid-type, damping device is installed between lower chassis and upper chassis 112, damping device includes installing chassis four corners
Four downward hydraulic spring grease cups 114, the equal coaxial line in 114 both ends of hydraulic spring grease cup are fixed with screw rod 1141, and 114 both ends of hydraulic spring grease cup are logical
It crosses screw rod to connect with corresponding chassis, upper chassis 112 includes by four frames that successively end to end beam 1121 forms, Liang You
Square steel tube is made, and the inside fixed plate 1122 for connecting with damping device, screw rod are mounted at four angles of frame
1141 pass through fixed plate and are fixed by nut.
Upper 112 upper end of chassis, which is equipped with, increases journey Der Motortraeger, and increasing journey Der Motortraeger includes being mounted on chassis
First end pedestal 1151, pedestal is fixed on 1121 middle position of beam of chassis first end, and pedestal 1151 is strip, bottom
Seat is 1151 parallel with corresponding beam 1121, and pedestal both ends are welded with upward column 1152, two columns, 1152 upper end it
Between the second shaft is installed, be set with the second barrel roll 1153 in the second shaft, the upper end of the column is hinged with the first increasing journey engine company
Frame is connect, the middle position of the second barrel roll is connect with the first increasing journey engine connection frame, and first, which increases journey engine connection frame, includes two
The increasing journey engine fixed plate 1161 that block is parallel to each other increases the fixed board ends of journey engine and is directed toward the second increasing journey engine connection frame
Side be machined with mounting hole, two pieces increase journey engine fixed plates and pacify between the side of the second increasing journey engine connection frame
Equipped with attachment beam 1162, attachment beam 1162 has three, and three attachment beams are separately mounted to increase the fixed board ends of journey engine in
Between position, it is fixed positioned at the attachment beam middle position and the second barrel roll 1153 for increasing journey engine fixed plate middle position, increase journey hair
Motivation fixed plate 1161 is that opening is directed toward the second arc panel for increasing journey engine connection frame, and the second end of upper chassis is equipped with upwards
Second increase journey engine connection frame, the second increasing journey engine connection frame include be mounted on two of chassis be parallel to each other to
On vertical plate 117, two vertical plate upper end coaxial lines are machined with mounting hole, and mounting hole is used for and increases journey engine and connect.
In the present embodiment, lower chassis 111 is identical as upper 112 shape of chassis.
Lower chassis and connection frame are first fitted together by increasing journey engine support provided in this embodiment in advance during installation, will
Upper chassis and increasing journey Der Motortraeger are fitted together in advance, and lower chassis is installed by connection frame on the car body, in installation process
In, supporting leg with hang supporting leg by the first barrel roll and first rotating shaft it is hinged, can easily adjust setting angle, facilitate installation, so
After hydraulic spring grease cup is installed, upper chassis is mounted on hydraulic spring grease cup upper end after being installed, increases journey engine support and is installed, when
When installation increases journey engine, first the first increasing journey engine connection frame is flipped up, then increases journey engine connection frame for first
Connect by mounting hole with the first end for increasing journey engine, then increase journey engine connection frame for first and downwardly turn over reset, by the
Two increasing journey engine connection frames are connect by mounting hole with the second end for increasing journey engine, are increased journey engine and are installed, install
It is convenient, during use, damping is carried out by hydraulic spring grease cup, isolating affection is good and long service life.
Increase journey engine and be connected with ISG generator 12, ISG generator is connected to cell apparatus 3, and cell apparatus includes installation
Frame, mounting rack include bottom plate 305, and bottom plate both ends are integrally formed the side plate 317 on oriented, and both side plate is parallel to each other, on bottom plate
End middle position bolt is equipped with upward support plate 303, uniformly integrally formed with being used for and supercapacitor in support plate
301, the thermal conductive belt 304 that lithium battery 302 compresses, thermal conductive belt section are T-type, the transverse part of thermal conductive belt and corresponding supercapacitor or
Person's lithium battery compresses, and can form heat dissipation channel between supercapacitor and lithium battery, facilitate heat dissipation, while can reduce whole
Body weight, improves structural strength, and 303 upper end bolt of support plate is equipped with lateral top plate 310, supercapacitor and lithium battery point
It is not placed on support plate two sides, bolt is equipped with for inwardly compressing supercapacitor and lithium battery respectively between both side plate outer end
Dismountable block plate 307, two side position of baffle inner face is equipped with bumper rubber 319 by groove, in side plate and bottom plate inner edge
It is machined with the step for installing baffle, baffle edge is bolted with bench floor, can guarantee baffle and super electricity
Container, lithium battery compress, and avoid loosening during vibration, improve job stability, be equipped on the downside of top plate super for preventing
The limiting bracket that capacitor and lithium battery move up, limiting bracket include the connection for being detachably secured to support plate upper end two sides
Plate 312, any connecting plate lower end two sides bolt are fixed with outside lateral press beam 313, and bolt is pacified between press beam end and top plate
Equipped with support rod 314, supercapacitor, lithium battery can be limited by lateral press beam, super capacitor can avoided
Under the premise of the binding post of device and lithium battery, they are limited, facilitates installation, connecting plate is installed, not only facilitates installation, together
When can be improved bonding strength, two outer end of top plate is machined with for the cable openings by cable, and top plate lower end is opened close to cable
Downward cable fixed column 315 is installed at mouthful, is machined with ring-shaped groove 318 in cable fixed column, opens up cable openings, it is convenient to insert
Cable is connect, cable is fixed in cable fixed column by band or anchor ear, cable vibration is can be avoided and loosens, improve work
Stability, 305 lower end surface of bottom plate are equipped with cross by connecting column 308 integrally formed with downward radiating fin 306, bottom plate lower end
To mounting plate 309, mounting rack can easily be connect with car body by mounting plate.
In the present embodiment, support plate, bottom plate, radiating fin, baffle, connecting column, top plate, pcb board, connecting plate, press beam, branch
Strut, cable fixed column, side plate are made of aluminum alloy materials, and structural strength is high, light-weight, good heat conductivity, mounting plate choosing
Use steel plate.
Circuit control module is provided between supercapacitor and lithium battery, circuit control module includes being connected with lithium battery
BMS control circuit 320, the battery parameter acquisition device 321 that is connect with supercapacitor, battery acquisition device request for utilization number
Battery parameter acquisition device disclosed in utility application for 2016210397816, BMS control circuit and battery parameter
Acquisition device is electrically connected to MPU controller 323, after the parallel connection of supercapacitor and lithium battery by DC contactor 322 with it is electronic
The driving motor of automobile connects, and the control terminal of DC contactor is electrically connected with MPU controller, and circuit control module further includes setting
Current-limiting resistance 324 and thermistor 325 on power line, in the present embodiment, top plate upper end is equipped with pcb board by bolt
311, the circuit where MPU controller and current-limiting resistance, thermistor is mounted on the pcb board 311 of top plate upper surface, it is convenient
Maintenance.
Safety in utilization be in the weight of battery among, battery is made using the salvo for implementing soft or hard combination and being passed through
CAN protocol is measured in real time super capacitor and lithium battery, and upload the data to MPU controller and handled, and detects
It is abnormal to cut off D.C. contactor power supply at the first time.If rigid adhesion situation occurs in the D.C. contactor, fail cutting electricity
Source continues to discharge, then is broken by being mounted on cathode thermistor and heat, protected, after troubleshooting, temperature is replied just
Chang Hou, thermistor restore its access, are allowed to be powered, and exempt the case where needing to change after other fuse circuit breakings, current-limiting resistance with
Anode connection, it is excessive to can be avoided discharge current, protects supercapacitor and lithium battery.
The control terminal for increasing journey engine is connected to electric machine controller 2 by ECU13, driving motor by rectification circuit 4 and
The charging end of cell apparatus connects, and rectification circuit includes rectifier bridge 401, and rectifier bridge is parallel with filter capacitor 402 and filter inductance
403, rectifier bridge is connect by IGBT module 404 with driving motor, and the discharge end of cell apparatus by electric machine controller and drives
Dynamic motor connection, ISG generator 12 are electrically connected by electric machine controller with driving motor.
High-power increasing journey straight drive system working principle provided in this embodiment for electric car is as follows: entire car controller
Big function is determined in conjunction with the instant running condition information of vehicle according to the power rating of the driving motor of electric machine controller real-time monitoring
Generated output needed for rate increases journey engine current time is simultaneously converted into target torque, is sent to motor control by CAN bus
Device；Simultaneously according to corresponding revolving speed within the scope of preset each generated output, sent by CAN signal to engine controller
The corresponding rotating speed of target of instant generated output.
Target torque in the present embodiment, is set as 4 gears according to the target torque received by electric machine controller, point
Do not correspond to vehicle descending, translation, 0-20 ° go up a slope, 20 ° or more go up a slope, send control command to driving motor, control driving motor
It is operated with target torque, and then drives the drive shaft of electric vehicle to operate by retarder, it is final to drive electric vehicle traveling, reach section
The about purpose of the energy.
Engine controller sends control command, control according to the rotating speed of target received, to high-power increasing journey engine
Increase journey petrol engine to work with rotating speed of target, and then operates ISG generator with rotating speed of target；ISG electrical power generators at this time,
It is rectified to become high voltage direct current, vehicle directly drive, while charging to super capacitor group remaining capacity,
To reach the needs for the continual mileage for increasing pure electric vehicle.
High-power increasing journey straight drive system provided in this embodiment for electric car has the following characteristics that
(1) single mode of operation that more common distance increasing unit works independently, originally high-power straight drive system is more intelligent, systematization,
And power needed for vehicle can be monitored, and adjust generated output in real time by entire car controller through CAN network.
(2) this high-power straight drive system is divided into automatically and manually two kinds of control models, can according to vehicle real-time running state,
Automatic detection power battery SOC state, can be automatically into distance increasing unit start-up mode；It can also according to the actual situation, in super capacitor
Or battery pack breaks down, and when cannot export electrical energy drive vehicle, traveling can be directly driven to vehicle.
(3) this high-power straight drive system can satisfy the wink that other extended-range automobiles do not have because being furnished with super capacitor group
Between the high-power ability for directly driving automobile；The efficient combination of dynamic lithium battery and super capacitor can solve single energy storage device
The deficiency of specific power and specific energy can reduce the frequency of battery high current charge-discharge to greatest extent, make the work of battery
Improved as condition, improves cell operating conditions, to reduce the fever and energy loss of battery, efficiency is improved,
And then increase battery pack service life.
(4) the pure electric vehicle system synergistic working of this high-power straight drive system and electric vehicle, reduce power battery capacity,
Weight and volume reduces the price of battery, effectively increases the continual mileage of pure electric vehicle.
(5) this high-power straight drive system integrates the control section of driving motor and ISG motor, and hardware is shared, contracting
Small arrangement space, reduces control system cost, increases the reliability and stability of system.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of high-power increasing journey straight drive system for electric car, including increase journey engine device, cell apparatus, driving electricity
Machine and electric machine controller, it is characterised in that: the increasing journey engine device includes increasing journey engine support, the increasing journey engine
Setting increases journey engine on bracket, and the increasing journey engine is connected with ISG generator, and ISG generator is connected to cell apparatus, increases
Journey engine is connected to electric machine controller by ECU, and the cell apparatus includes supercapacitor and lithium battery, the super electricity
Container and lithium battery are installed on the car body by mounting rack, and the driving motor passes through the charging end of rectification circuit and cell apparatus
The discharge end of connection, the cell apparatus is connect by electric machine controller with driving motor, and the ISG generator passes through motor control
Device processed is electrically connected with driving motor.
2. the high-power increasing journey straight drive system according to claim 1 for electric car, it is characterised in that: the increasing journey
Engine support includes lower chassis, and the lower chassis lower end is provided with the connection frame for connecting with car body, on the lower chassis
End is provided with chassis, and the lower chassis and upper chassis are cuboid-type, are provided with and subtract between the lower chassis and upper chassis
Device is shaken, the upper chassis upper end, which is provided with, increases journey Der Motortraeger, and the increasing journey Der Motortraeger includes being arranged upper
The pedestal of the first end of chassis, the pedestal upper end are provided with upward column, and the upper end of the column is hinged with the first increasing journey hair
Motivation connection frame, the second end of the upper chassis are provided with upward second and increase journey engine connection frame, and first increases journey engine
The mounting hole for connecting with increasing journey engine is provided on connection frame and the second motor mounts, the connection frame includes
The supporting leg of lower chassis lower end is set, and there are two supporting legs, and two supporting legs are separately positioned on lower chassis both ends middle position, the branch
Leg lower end is provided with the first barrel roll, and the middle position of first barrel roll is connect with supporting leg, and two the first barrel rolls are parallel to each other, the
It is coated with first rotating shaft in one barrel roll, the first rotating shaft both ends, which all extend to the first barrel roll and are externally connected with, hangs supporting leg, described to hang
Supporting leg includes the boom fixed with first rotating shaft, and the end of the boom is provided with mounting plate, is arranged on the mounting plate useful
In the bolt hole connecting with vehicle body, the damping device includes four downward hydraulic spring grease cups that upper chassis four corners are arranged, institute
Stating hydraulic spring grease cup both ends and being coaxially set has screw rod, and the hydraulic spring grease cup both ends are connected by screw rod with corresponding chassis.
3. the high-power increasing journey straight drive system according to claim 2 for electric car, it is characterised in that: the upper bottom
Frame include by four frames that successively end to end beam forms, be provided at four angles of the frame it is inside for
The fixed plate of damping device connection, the pedestal are fixed on the beam middle position of chassis first end, and the pedestal is strip,
The pedestal is provided with upward column with corresponding Liangping row, the pedestal both ends, and is provided between two the upper end of the column
Two shafts, the second barrel roll is set in the second shaft, and the middle position of second barrel roll increases journey engine connection frame with first
Connection, the first increasing journey engine connection frame includes two pieces of increasing journey engine fixed plates being parallel to each other, the increasing Cheng Fadong
The side that the fixed board ends of machine are directed toward the second increasing journey engine connection frame is provided with mounting hole, two pieces of increasing journey engine fixed plates
Attachment beam is provided between the side of the second increasing journey engine connection frame, the attachment beam there are three, three attachment beams point
She Zhi the fixed board ends of journey engine and middle position not increased, in the attachment beam for increasing journey engine fixed plate middle position
Between position fixed with the second barrel roll, it is described increase journey engine fixed plate be opening be directed toward second increasing journey engine connection frame arc
Plate.
4. the high-power increasing journey straight drive system according to claim 2 for electric car, it is characterised in that: described second
Increasing journey engine connection frame includes two upward vertical plates being parallel to each other that upper chassis is arranged in, and two vertical plate upper end coaxial lines are set
It is equipped with mounting hole.
5. the high-power increasing journey straight drive system according to claim 1 for electric car, it is characterised in that: the installation
Frame includes bottom plate, and the bottom plate both ends are provided with upward side plate, and both side plate is parallel to each other, bottom plate upper end middle position
It is provided with upward support plate, the support plate upper end is provided with lateral top plate, the supercapacitor and lithium battery difference
It is arranged and is separately provided for inwardly compressing the removable of supercapacitor and lithium battery between support plate two sides, both side plate outer end
Baffle is unloaded, the limiting bracket for preventing supercapacitor and lithium battery from moving up, the bottom are provided on the downside of the top plate
Plate lower end is provided with lateral mounting plate, and the support plate is aluminium alloy plate, be evenly arranged in the support plate for it is super
Grade capacitor, lithium battery compress thermal conductive belt, the thermal conductive belt section be T-type, the transverse part of the thermal conductive belt with it is corresponding super
Capacitor or lithium battery compress.
6. the high-power increasing journey straight drive system according to claim 5 for electric car, it is characterised in that: the limit
Bracket includes the connecting plate for being detachably secured to support plate upper end two sides, and any connecting plate lower end two sides are provided with outside transverse direction
Press beam, is provided with support rod between the press beam end and top plate, two outer end of top plate is provided with for the electricity by cable
Cable opening, downward cable fixed column is arranged at cable openings, is provided in the cable fixed column for the top plate lower end
Ring-shaped groove, two side position of baffle inner face are provided with bumper rubber, and the bottom plate is aluminium alloy plate, the bottom plate lower end
Face is provided with downward radiating fin.
7. the high-power increasing journey straight drive system according to claim 5 for electric car, it is characterised in that: the circuit
The battery parameter acquisition device that control module includes the BMS control circuit connected with lithium battery, connect with supercapacitor, it is described
BMS control circuit and battery parameter acquisition device are electrically connected to MPU controller, after the parallel connection of the supercapacitor and lithium battery
It is connected by the driving motor of DC contactor and electric car, the control terminal of the DC contactor is electrically connected with MPU controller, institute
Stating circuit control module further includes the current-limiting resistance and thermistor being arranged on power line.
8. the high-power increasing journey straight drive system according to claim 1 for electric car, it is characterised in that: the rectification
Circuit includes the IGBT module being sequentially connected in series from driving motor to cell apparatus and current rectifying and wave filtering circuit.
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| CN201811448411.1A CN109334473B (en) | 2018-11-30 | 2018-11-30 | High-power range-extending direct-drive system for electric automobile |
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| CN201811448411.1A CN109334473B (en) | 2018-11-30 | 2018-11-30 | High-power range-extending direct-drive system for electric automobile |
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| CN109334473B CN109334473B (en) | 2023-09-08 |
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| CN201811448411.1A Active CN109334473B (en) | 2018-11-30 | 2018-11-30 | High-power range-extending direct-drive system for electric automobile |
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Effective date of registration: 20210119 Address after: No. 247, Sima village, Fancheng Hui town, Linying County, Luohe City, Henan Province Applicant after: Li Zhongcai Address before: 475400 south side of East section of Xianping Avenue, Tongxu County, Kaifeng City, Henan Province Applicant before: KAIFENG JINNUO VEHICLE INDUSTRY Co.,Ltd. |
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