CN109334473B - High-power range-extending direct-drive system for electric automobile - Google Patents
High-power range-extending direct-drive system for electric automobile Download PDFInfo
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- CN109334473B CN109334473B CN201811448411.1A CN201811448411A CN109334473B CN 109334473 B CN109334473 B CN 109334473B CN 201811448411 A CN201811448411 A CN 201811448411A CN 109334473 B CN109334473 B CN 109334473B
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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 utility model relates to the field of electric automobiles, in particular to a high-power range-extended direct-drive system for an electric automobile, which comprises a range-extended engine device, a battery device, a driving motor and a motor controller, wherein the range-extended engine device comprises a range-extended engine support, the range-extended engine is arranged on the range-extended engine support and is connected with an ISG generator, the ISG generator is connected to the battery device, the range-extended engine is connected to the motor controller through an ECU, the battery device comprises a super capacitor and a lithium battery, the super capacitor and the lithium battery are installed on a vehicle body through a mounting frame, the driving motor is connected with a charging end of the battery device through a rectifying circuit, a discharging end of the battery device is connected with the driving motor through the motor controller, and the ISG generator is electrically connected with the driving motor through the motor controller.
Description
Technical Field
The utility model relates to the field of electric automobiles, in particular to a high-power range-extending direct-drive system for an electric automobile.
Background
Electric automobiles are a main trend of development of automobile industry, and China is very active in the aspect of new energy automobiles, mainly because: first, the shortage crisis of traditional energy and the objective requirement of environmental protection, the petroleum dependence of China on foreign countries is improved year by year, and the whole positive automobile industry is in the stage of adjusting direction at this time, so that new energy automobiles are the demands of the whole industry. Secondly, the traditional automobile industry in China, especially passenger cars, is slow to start and is in a relatively backward state, and if the passenger cars continue to walk on the way of enterprises such as Europe, the passenger cars possibly continue to be in a backward state. Thirdly, as technologies in the fields of batteries, motors, electric control and the like are accumulated in China in the early stage, and China has certain conditions in the aspect of developing new energy automobiles, the government of China immediately follows the latest situation, relevant policies are formulated to encourage and support the development of the new energy automobiles, and the key core technologies of the electric automobiles are as follows: the power battery, the motor and the control system are combined, the conventional range-extending direct-drive system mainly comprises a range-extending engine device, a battery device, a driving motor and a motor controller, and is troublesome to install, low in control precision, low in energy utilization rate and high in failure rate.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a high-power range-extending direct-drive system for an electric automobile, which has the advantages of simple structure, convenience in installation, high control precision, low failure rate and high energy utilization rate.
The utility model is realized by the following technical scheme: the utility model provides a high-power range-extending direct-drive system for electric automobile, includes range-extending engine device, battery device, driving motor and motor controller, range-extending engine device includes the range-extending engine support, set up the range-extending engine on the range-extending engine support, the range-extending engine is connected with the ISG generator, and the ISG generator is connected to battery device, and the range-extending engine passes through ECU and is connected to motor controller, battery device includes supercapacitor and lithium cell, supercapacitor and lithium cell pass through the mounting bracket and install on the automobile body, driving motor passes through rectifier circuit and is connected with battery device's charging end, battery device's discharge end passes through motor controller and is connected with driving motor, the ISG generator passes through motor controller and is connected with the driving motor electricity.
Further, increase journey engine support includes lower chassis, lower chassis lower extreme is provided with the link that is used for with body coupling, lower chassis upper end is provided with the chassis, chassis and last chassis are cuboid type down, be provided with damping device down between chassis and the last chassis, it is provided with the range engine mount to go up the chassis upper end, range engine mount is including setting up the base at the first end of chassis, the base upper end is provided with ascending stand, the stand upper end articulates there is first range engine link, the second end of going up the chassis is provided with ascending second range engine link, all is provided with the mounting hole that is used for being connected with range engine on first range engine link and the second engine mount, the landing leg of landing leg lower extreme is including setting up two, two landing legs set up respectively in lower chassis both ends intermediate position, the landing leg lower extreme is provided with first cross roller, the intermediate position and the landing leg of first cross roller are connected with the landing leg, two first cross rollers are parallel to each other, first pivot is equipped with the first pivot and is provided with the pivot bolt hole through the first pivot, the pivot is provided with the pivot, the hydraulic pressure end is provided with the mounting panel is connected with the pivot, the pivot is provided with the pivot, the pivot is connected with the pivot.
Further, go up the chassis and include the frame of constituteing by four beams that connect gradually end to end, four angle departments of frame all are provided with inwards and are used for the fixed plate of being connected with damping device, the roof beam intermediate position at the first end of last chassis is fixed to the base, the base is rectangular shape, the base is parallel with corresponding roof beam, the base both ends all are provided with ascending stand, are provided with the second pivot between the two stand upper ends, and the cover is equipped with the second horizontal roller in the second pivot, the intermediate position of second horizontal roller is connected with first range-increasing engine link, first range-increasing engine link includes that two are parallel to each other increases range engine fixed plate, the one side that increases range engine fixed plate both ends point to second range-increasing engine link all is provided with the mounting hole, be provided with the tie beam between one side that two range-increasing engine fixed plates deviate from second range-increasing engine link, the tie beam has three, and three tie beams set up respectively at range-increasing engine fixed plate both ends and intermediate position, are located range-increasing engine fixed plate intermediate position's tie beam and second range-increasing engine link and are directional arc plate.
Further, the second range-extending engine connecting frame comprises two mutually parallel upward vertical plates arranged on the upper underframe, and mounting holes are coaxially formed in the upper ends of the two vertical plates.
Further, the mounting bracket includes the bottom plate, the bottom plate both ends all are provided with ascending curb plate, and both sides board is parallel to each other, bottom plate upper end intermediate position is provided with ascending backup pad, the backup pad upper end is provided with horizontal roof, supercapacitor and lithium cell set up respectively in the backup pad both sides, be provided with the detachable baffle that is used for inwards compressing tightly supercapacitor and lithium cell between the both sides board outer end respectively, the roof downside is provided with the spacing support that is used for preventing supercapacitor and lithium cell upward movement, the bottom plate lower extreme is provided with horizontal mounting panel, the backup pad is the aluminium alloy plate, evenly be provided with in the backup pad and be used for the heat conduction area with supercapacitor, lithium cell compress tightly, the heat conduction area cross-section is the T type, the transverse part of heat conduction area compresses tightly with corresponding supercapacitor or lithium cell.
Further, the limiting support is fixed including dismantling the connecting plate in backup pad upper end both sides, and arbitrary connecting plate lower extreme both sides are provided with outside horizontal pressure roof beam, be provided with the bracing piece between pressure roof beam end and the roof, roof both ends outer end are provided with the cable opening that is used for through the cable, the roof lower extreme is close to cable opening part and sets up decurrent cable fixed column, be provided with annular slot on the cable fixed column, terminal surface both sides position is provided with the buffering adhesive tape in the baffle, the bottom plate is the aluminium alloy plate, the terminal surface is provided with decurrent fin under the bottom plate.
Further, the circuit control module comprises a BMS control circuit connected with the lithium battery and a battery parameter acquisition device connected with the supercapacitor, wherein the BMS control circuit and the battery parameter acquisition device are electrically connected to the MPU controller, the supercapacitor and the lithium battery are connected in parallel and then connected with a driving motor of the electric automobile through a DC contactor, a control end of the DC contactor is electrically connected with the MPU controller, and the circuit control module further comprises a current limiting resistor and a thermistor which are arranged on a power line.
Further, the rectification circuit comprises an IGBT module and a rectification filter circuit which are sequentially connected in series from the driving motor to the battery device.
The utility model has the beneficial effects that: the high-power range-extending direct-drive system for the electric automobile is provided with a range-extending engine bracket and a mounting frame, the range-extending engine is conveniently mounted on the automobile body, the range-extending engine drives a driving motor through two paths, the first path is that the range-extending engine recovers electric energy through an ISG generator and a battery device and drives the driving motor through the battery device, and the second path is that the range-extending engine drives the driving motor through the ISG generator and a motor controller, so that the energy utilization rate is high and the failure rate is low; the range-extending engine bracket is provided with the lower underframe, the connecting frame, the upper underframe, the damping device and the range-extending engine fixing frame, so that the range-extending engine bracket is conveniently installed on the vehicle body, and meanwhile, the range-extending engine is conveniently installed, and the range-extending engine bracket is simple in structure and stable in work; the connecting frame comprises a supporting leg and a hanging supporting leg which are hinged together, so that the angle can be conveniently adjusted during installation, and the installation is further convenient; the damping device comprises four hydraulic springs, so that the shock resistance is high and the working stability is high; the installation rack is arranged, so that the supercapacitor and the lithium battery can be installed and managed in a concentrated mode, the installation stability is high, the circuit is short, and the failure rate is low; the backup pad sets up the heat conduction area, can improve heat dispersion, avoids supercapacitor and lithium cell overheated.
Drawings
FIG. 1 is a schematic diagram of the connection relationship of embodiment 1;
FIG. 2 is a control flow diagram intent of example 1;
FIG. 3 is a schematic front view of an extended range engine mount;
FIG. 4 is a schematic view of the structure of the upper chassis and the extended range engine mount;
FIG. 5 is a left side view schematic of an upper chassis and a range-extending engine mount;
FIG. 6 is a schematic cross-sectional front view of the mounting bracket;
FIG. 7 is a schematic diagram of a left side view of the mounting bracket;
FIG. 8 is a schematic view of the cross-section view in the direction A of FIG. 6;
FIG. 9 is a schematic bottom view of the positioning bracket;
FIG. 10 is a schematic view of a cable fixing post structure;
FIG. 11 is a schematic diagram of a battery device control schematic;
FIG. 12 is a schematic diagram of a rectifier circuit connection;
wherein: 1-range-extending engine device, 11-range-extending engine, 111-lower chassis, 112-upper chassis, 1121-beam, 1122-fixing plate, 1131-leg, 1142-first cross roller, 1153-boom, 1164-mounting plate, 1144-hydraulic spring, 1141-screw, 1151-base, 1152-column, 1153-second cross roller, 1161-range-extending engine fixing plate, 1162-connecting beam, 117-riser, 12-ISG generator, 13-ECU, 2-motor controller, 3-battery device, 301-supercapacitor, 3022-lithium battery, 303-supporting plate, 304-heat conduction belt, 305-base plate, 306-radiating fins, 307-baffle plates, 308-connecting columns, 309-mounting plates, 310-top plates, 311-PCB plates, 312-connecting plates, 313-pressing beams, 314-supporting rods, 315-cable fixing columns, 316-cable openings, 17-side plates, 318-annular grooves, 319-buffering adhesive tapes, 320-BMS control circuits, 321-battery parameter acquisition devices, 322-DC contactors, 323-MPU controllers, 324-current limiting resistors, 325-thermistors, 4-rectifying circuits, 401-rectifying bridges, 402-filtering capacitors, 403-filtering inductors, 404-IGBT modules and 5-driving motors.
Detailed Description
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-12, a high-power range-extending direct-drive system for an electric automobile comprises a range-extending engine device 1, a battery device 3, a driving motor 5 and a motor controller 2, wherein the range-extending engine device comprises a range-extending engine bracket, a range-extending engine 11 is arranged on the range-extending engine bracket, the range-extending engine bracket comprises a lower underframe 111, a connecting frame for connecting with a vehicle body is arranged at the lower end of the lower underframe 1131, the connecting frame comprises support legs 1131 arranged at the lower end of the lower underframe, the two support legs 1131 are respectively arranged at the middle positions of the two ends of the lower underframe, the lower ends of the support legs are fixedly provided with first transverse rollers 1132, the middle positions of the first transverse rollers 1132 are connected with the support legs, the two first transverse rollers 1132 are parallel to each other, first rotary shafts are penetrated in the first transverse rollers, the two ends of the first rotary shafts extend to the outer sides of the first transverse rollers to be connected with hanging support legs, the hanging support legs comprise hanging arms 1133 fixed with the first rotary shafts, the tail ends of the hanging arms are provided with mounting plates 1134, bolt holes for connecting with the vehicle body are arranged on the mounting plates 1134, the support legs are hinged with the hanging legs, when the installation, the convenient adjustment installation angle, the chassis 112 is installed to lower chassis upper end, lower chassis and last chassis are the cuboid type, install damping device between lower chassis and the last chassis 112, damping device is including installing four decurrent hydraulic spring 114 of chassis four corners department, hydraulic spring 114 both ends all coaxial line is fixed with screw 1141, hydraulic spring 114 both ends are connected with corresponding chassis through the screw rod, go up the chassis 112 and include the frame of constituteing by four beams 1121 that connect gradually end to end, the beam is made by square steel pipe, the fixed plate 1122 that is used for being connected with damping device is all installed to four angle departments of frame, screw 1141 passes the fixed plate and passes through the nut to be fixed.
The upper end of the upper chassis 112 is provided with a range-extending engine fixing frame, the range-extending engine fixing frame comprises a base 1151 arranged at the first end of the upper chassis, the base 1151 is fixed at the middle position of a beam 1121 at the first end of the upper chassis, the base 1151 is in a strip shape, the base 1151 is parallel to the corresponding beam 1121, two ends of the base are fixedly provided with upward upright posts 1152 in a welding mode, a second rotating shaft is arranged between the upper ends of the two upright posts 1152, a second transverse roller 1153 is sleeved on the second rotating shaft, the upper ends of the upright posts are hinged with a first range-extending engine connecting frame, the middle position of the second transverse roller is connected with the first range-extending engine connecting frame, the first range-extending engine connecting frame comprises two range-extending engine fixing plates 1161 which are mutually parallel, one side of each range-extending engine fixing plate, which is directed towards the second range-extending engine connecting frame, connecting beams 1162 are arranged between one side of each range-extending engine fixing plate, three connecting beams are respectively arranged at two ends and the middle position of the range-extending engine fixing plate, the upper frame is provided with a second vertical shaft connecting frame, the two end of each range-extending engine fixing plate is provided with a second upper end connecting frame, and the two upper end of the upper end of each upper frame is provided with a second range-extending engine connecting plate, and the upper end connecting frame is parallel to the two upper frame, and the upper frame connecting frame is provided with a connecting frame, and two upper end connecting frame, and the upper frame connecting frame is arranged.
In this embodiment, the lower chassis 111 is identical in shape to the upper chassis 112.
The range-extending engine support that this embodiment provided, when the installation, with chassis and link pre-installation together, will go up chassis and range-extending engine mount pre-package together, install the chassis on the automobile body through the link down, in the installation, landing leg and hanging landing leg are articulated through first roller and first pivot, adjustment installation angle that can be convenient, easy to assemble, then install hydraulic spring, install last chassis on hydraulic spring upper end after the installation is accomplished, range-extending engine support installs, when the range-extending engine, first range-extending engine link upwards overturns, then be connected first range-extending engine link through the mounting hole with range-extending engine's first end, turn over first range-extending engine link downwards and reset, pass through the mounting hole with second range-extending engine link and range-extending engine's second end connection, range-extending engine installs the completion, in-process of using, shock attenuation is carried out through hydraulic spring, shock insulation effect is good and long service life.
The range-extending engine is connected with an ISG generator 12, the ISG generator is connected to a battery device 3, the battery device comprises a mounting frame, the mounting frame comprises a bottom plate 305, two ends of the bottom plate are uniformly formed with upward side plates 317, two side plates are parallel to each other, a middle position bolt at the upper end of the bottom plate is provided with an upward supporting plate 303, a heat conduction belt 304 used for pressing the super capacitor 301 and the lithium battery 302 is uniformly and integrally formed on the supporting plate, the cross section of the heat conduction belt is T-shaped, the transverse part of the heat conduction belt is pressed with the corresponding super capacitor or the lithium battery, a heat dissipation channel can be formed between the super capacitor and the lithium battery, the heat dissipation is convenient, the whole weight can be lightened, the structural strength is improved, a transverse top plate 310 is arranged at the upper end of the supporting plate 303, the super capacitor and the lithium battery are respectively arranged at two sides of the supporting plate, a detachable baffle 307 used for inwards pressing the super capacitor and the lithium battery is respectively arranged between the outer ends of the two side plates by bolts, the buffer adhesive tapes 319 are arranged at the two sides of the inner end surface of the baffle, steps for installing the baffle are processed at the inner edges of the side plates and the bottom plate, the edges of the baffle are connected with the bottom surface of the steps through bolts, the baffle can be ensured to be tightly pressed with the supercapacitor and the lithium battery, looseness is avoided in the vibration process, the working stability is improved, the limiting bracket for preventing the supercapacitor and the lithium battery from moving upwards is arranged at the lower side of the top plate, the limiting bracket comprises a connecting plate 312 which is detachably fixed at the two sides of the upper end of the supporting plate, the two sides of the lower end of any connecting plate are fixedly provided with outward transverse pressing beams 313, supporting rods 314 are arranged between the tail ends of the pressing beams and the top plate through bolts, the supercapacitor and the lithium battery can be limited through the transverse pressing beams on the premise of avoiding binding posts of the supercapacitor and the lithium battery, carry out spacingly to them, easy to assemble, the installation connecting plate, not only easy to assemble, simultaneously can improve joint strength, roof both outer ends processing has the cable opening that is used for through the cable, the roof lower extreme is close to cable opening part installation decurrent cable fixed column 315, processing has annular slot 318 on the cable fixed column, offer cable opening, conveniently peg graft the cable, fix the cable on the cable fixed column through ribbon or staple bolt, can avoid cable vibrations not hard up, improve job stabilization nature, terminal surface integrated into one piece has decurrent fin 306 under the bottom plate 305, the bottom plate lower extreme is installed horizontal mounting panel 309 through spliced pole 308, can be convenient with mounting bracket and car body coupling through the mounting panel.
In this embodiment, backup pad, bottom plate, fin, baffle, spliced pole, roof, PCB board, connecting plate, pressure roof beam, bracing piece, cable fixed column, curb plate are all made by aluminum alloy material, and structural strength is high, light in weight, and heat conductivility is good, and the mounting panel selects the steel sheet for use.
Be provided with circuit control module between supercapacitor and the lithium cell, circuit control module includes the BMS control circuit 320 that links to each other with the lithium cell, the battery parameter collection device 321 who is connected with the supercapacitor, battery parameter collection device that the utility model patent application that the battery collection device used the application number 2016210397816 to disclose, BMS control circuit and battery parameter collection device electricity are connected to MPU controller 323, the parallel back of supercapacitor and lithium cell is connected with electric automobile's driving motor through DC contactor 322, DC contactor's control end is connected with MPU controller electricity, circuit control module still includes current limiting resistor 324 and thermistor 325 that set up on the power line, in this embodiment, PCB board 311 is installed through the bolt to the roof upper end, install MPU controller and current limiting resistor, the circuit that thermistor is located on PCB board 311 of roof up end, the convenience is maintained.
The use safety is that during the heavy center of the battery, the protection means for implementing soft and hard combination is used for detecting the super capacitor and the lithium battery in real time through the CAN protocol, the data is uploaded to the MPU controller for processing, and the power supply of the direct current contactor is cut off when the abnormal state is detected. If the direct current contactor has hard adhesion, the power supply can not be cut off to continue discharging, the negative electrode thermistor is installed to conduct thermal fusing for protection, after the fault is removed and the temperature returns to be normal, the thermistor recovers the path of the direct current contactor to enable the direct current contactor to be electrified, the situation that other safety circuit breakers need to be replaced after the circuit breaking is avoided, the current limiting resistor is connected with the positive electrode, the overlarge discharging current can be avoided, and the super capacitor and the lithium battery are protected.
The control end of the range-extending engine is connected to the motor controller 2 through the ECU13, the driving motor is connected with the charging end of the battery device through the rectifying circuit 4, the rectifying circuit comprises a rectifying bridge 401, the rectifying bridge is connected with a filter capacitor 402 and a filter inductor 403 in parallel, the rectifying bridge is connected with the driving motor through an IGBT module 404, the discharging end of the battery device is connected with the driving motor through the motor controller, and the ISG generator 12 is electrically connected with the driving motor through the motor controller.
The working principle of the high-power range-extending direct-drive system for the electric automobile provided by the embodiment is as follows: the whole vehicle controller determines the power generation power required by the high-power range-extending engine at the current moment according to the power state of the driving motor monitored by the motor controller in real time and the real-time running state information of the vehicle, converts the power generation power into target torque and sends the target torque to the motor controller through a CAN bus; and simultaneously, according to the preset corresponding rotating speeds in each power generation power range, the target rotating speed corresponding to the instant power generation power is sent to the engine controller through the CAN signal.
According to the received target torque, in the embodiment, the motor controller sets the target torque to 4 gears, which correspond to the downhill slope, the translational motion, the 0-20 degree uphill slope and the 20 degree uphill slope of the vehicle respectively, sends a control command to the driving motor, controls the driving motor to operate with the target torque, further drives the driving shaft of the electric vehicle to operate through the speed reducer, and finally drives the electric vehicle to run, thereby achieving the purpose of saving energy.
The engine controller sends a control command to the high-power range-extending engine according to the received target rotating speed, and controls the range-extending gasoline engine to work at the target rotating speed, so that the ISG generator is operated at the target rotating speed; at the moment, the ISG generator generates power, the power is converted into high-voltage direct current through rectification, the vehicle is directly driven, and meanwhile, the residual electric quantity charges the super capacitor group, so that the requirement of increasing the driving range of the pure electric vehicle is met.
The high-power range-extending direct-drive system for the electric automobile provided by the embodiment has the following characteristics:
(1) Compared with a single working mode of independent working of a common range extender, the high-power direct-drive system is more intelligent and systematic, and CAN monitor the power required by a vehicle and adjust the generated power in real time through a whole vehicle controller via a CAN network.
(2) The high-power direct-drive system is divided into an automatic control mode and a manual control mode, and can automatically detect the SOC state of a power battery according to the real-time running state of a vehicle and automatically enter a range extender starting mode; according to the actual situation, when the super capacitor or the battery pack fails and cannot output electric energy to drive the vehicle, the vehicle can be directly driven to run.
(3) The high-power direct-drive system is provided with the super capacitor group, so that the capability of directly driving the automobile with instantaneous high power, which is not possessed by other extended range automobiles, can be met; the power lithium battery and the super capacitor are effectively combined, the defects of specific power and specific energy of a single energy storage device can be overcome, the frequency of high-current charge and discharge of the storage battery can be reduced to the greatest extent, the working condition of the storage battery is improved, the working environment of the battery is improved, the heating and energy loss of the storage battery are reduced, the efficiency is improved, and the service life of the battery pack is prolonged.
(4) The high-power direct-drive system and the pure electric system of the electric vehicle work cooperatively, so that the capacity, weight and volume of a power battery are reduced, the price of the battery is reduced, and the driving range of the pure electric vehicle is effectively increased.
(5) The high-power direct-drive system integrates the control parts of the drive motor and the ISG motor, and has the advantages of hardware sharing, arrangement space reduction, control system cost reduction and system reliability and stability increase.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. A high-power journey-increasing direct-drive system for electric automobile, includes journey-increasing engine device, battery device, driving motor and motor controller, its characterized in that: the range-extending engine device comprises a range-extending engine bracket, the range-extending engine bracket is provided with a range-extending engine, the range-extending engine is connected with an ISG generator, the ISG generator is connected to a battery device, the range-extending engine is connected to a motor controller through an ECU, the battery device comprises a super capacitor and a lithium battery, the super capacitor and the lithium battery are arranged on a vehicle body through a mounting frame, the driving motor is connected with a charging end of the battery device through a rectifying circuit, a discharging end of the battery device is connected with the driving motor through the motor controller, the ISG generator is electrically connected with the driving motor through the motor controller,
the range-extending engine bracket comprises a lower chassis, the lower end of the lower chassis is provided with a connecting frame used for being connected with a vehicle body, the upper end of the lower chassis is provided with an upper chassis, the lower chassis and the upper chassis are cuboid, a damping device is arranged between the lower chassis and the upper chassis, the upper end of the upper chassis is provided with a range-extending engine fixing frame, the range-extending engine fixing frame comprises a base arranged at the first end of the upper chassis, the upper end of the base is provided with an upward upright post, the upper end of the upright post is hinged with a first range-extending engine connecting frame, the second end of the upper chassis is provided with an upward second range-extending engine connecting frame, the first range-extending engine connecting frame and the second engine fixing frame are both provided with mounting holes used for being connected with a range-extending engine, the connecting frame comprises two supporting legs arranged at the lower end of the lower chassis, the two supporting legs are respectively arranged at the middle positions of the two ends of the lower chassis, the lower end of the supporting leg is provided with a first transverse roller, the middle positions of the first transverse rollers are connected with the supporting legs, the two first transverse rollers are mutually parallel, a first rotating shaft is arranged in the first transverse rollers in a penetrating way, the two ends of the first rotating shaft extend to the outside of the first transverse rollers and are connected with hanging legs, the hanging legs comprise hanging arms fixed with the first rotating shaft, the tail ends of the hanging arms are provided with mounting plates, the mounting plates are provided with bolt holes for connection with a vehicle body, the damping device comprises four downward hydraulic springs arranged at the four corners of the upper chassis, the two ends of each hydraulic spring are coaxially provided with screws, the two ends of each hydraulic spring are connected with the corresponding chassis through the screws,
the upper chassis comprises a frame formed by four beams which are sequentially connected end to end, four corners of the frame are respectively provided with an inward fixed plate used for being connected with a shock absorption device, the base is fixed at the middle position of the beam at the first end of the upper chassis, the base is in a strip shape and parallel to the corresponding beam, the two ends of the base are respectively provided with an upward upright post, a second rotating shaft is arranged between the upper ends of the two upright posts, a second transverse roller is sleeved on the second rotating shaft, the middle position of the second transverse roller is connected with a first extended range engine connecting frame, the first extended range engine connecting frame comprises two extended range engine fixing plates which are mutually parallel, one side of each of the two ends of each extended range engine fixing plate, which are directed towards the second extended range engine connecting frame, is provided with a connecting beam, three connecting beams are respectively arranged at the two ends and the middle position of each extended range engine fixing plate, the connecting beam middle position of the connecting beam positioned at the middle position of each extended range engine fixing plate is directed towards the second extended range engine fixing frame, the connecting beam is an arc-shaped plate,
the mounting frame comprises a bottom plate, both ends of the bottom plate are all provided with ascending curb plate, the both sides board is parallel to each other, bottom plate upper end intermediate position is provided with ascending backup pad, the backup pad upper end is provided with horizontal roof, supercapacitor and lithium cell set up respectively in the backup pad both sides, be provided with the detachable baffle that is used for inwards compressing tightly supercapacitor and lithium cell between the both sides board outer end respectively, the roof downside is provided with the spacing support that is used for preventing supercapacitor and lithium cell upward movement, the bottom plate lower extreme is provided with horizontal mounting panel, the backup pad is the aluminium alloy plate, evenly be provided with the heat conduction area that is used for compressing tightly with supercapacitor, lithium cell in the backup pad, the heat conduction area cross-section is the T type, the cross-section of heat conduction area compresses tightly with corresponding supercapacitor or lithium cell.
2. The high-power range-extending direct-drive system for an electric automobile of claim 1, wherein: the second range-extending engine connecting frame comprises two mutually parallel upward vertical plates arranged on the upper underframe, and mounting holes are coaxially formed in the upper ends of the two vertical plates.
3. The high-power range-extending direct-drive system for an electric automobile of claim 1, wherein: the limiting support comprises connecting plates which are detachably fixed on two sides of the upper end of a supporting plate, an outward transverse pressing beam is arranged on two sides of the lower end of any connecting plate, a supporting rod is arranged between the tail end of the pressing beam and a top plate, cable openings for passing through cables are formed in two outer ends of the top plate, downward cable fixing columns are arranged at the lower ends of the top plate, which are close to the cable openings, annular grooves are formed in the cable fixing columns, buffer rubber strips are arranged at two sides of the inner end face of the baffle, the bottom plate is an aluminum alloy plate, and downward radiating fins are arranged on the lower end face of the bottom plate.
4. The high-power range-extending direct-drive system for an electric automobile of claim 1, wherein: be provided with circuit control module between supercapacitor and the lithium cell, circuit control module includes the BMS control circuit who links to each other with the lithium cell, the battery parameter acquisition device who is connected with supercapacitor, BMS control circuit and battery parameter acquisition device electricity are connected to MPU controller, the parallelly connected back of supercapacitor and lithium cell is connected with electric automobile's driving motor through DC contactor, DC contactor's control end is connected with MPU controller electricity, circuit control module is still including setting up current limiting resistor and thermistor on the power line.
5. The high-power range-extending direct-drive system for an electric automobile of claim 1, wherein: the rectification circuit comprises an IGBT module and a rectification filter circuit which are sequentially connected in series from the driving motor to the battery device.
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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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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570757A (en) * | 1993-11-22 | 1996-11-05 | Textron Inc. | Engine mounting system for a car |
| JPH0946817A (en) * | 1995-07-28 | 1997-02-14 | Isuzu Ceramics Kenkyusho:Kk | Hybrid electric vehicle |
| KR20040016310A (en) * | 2002-08-16 | 2004-02-21 | 현대모비스 주식회사 | Engine mounting system with dynamic damper |
| JP2004276764A (en) * | 2003-03-17 | 2004-10-07 | Honda Motor Co Ltd | Vehicular engine suspension device |
| KR20060057333A (en) * | 2004-11-23 | 2006-05-26 | 현대자동차주식회사 | Engine mounting structure |
| DE102007037693A1 (en) * | 2007-03-02 | 2008-09-04 | Volk Fahrzeugbau Gmbh | Industrial truck, particularly hybrid-driver-seat-tractor, has driving current running in and electric main circuit and driving machine is formed as electric motor for driving running wheel |
| KR200454940Y1 (en) * | 2010-03-03 | 2011-08-04 | 대동공업주식회사 | Engine Mounting Structure for Farm Vehicles |
| JP2012066738A (en) * | 2010-09-24 | 2012-04-05 | Toyota Motor Corp | Electric drive type vehicle |
| CN103204069A (en) * | 2013-05-07 | 2013-07-17 | 湖南大学 | Electromobile range extender and control method |
| CN203231896U (en) * | 2013-04-19 | 2013-10-09 | 郑州宇通客车股份有限公司 | Hybrid power vehicle power assembly test rack |
| CN203697984U (en) * | 2013-12-20 | 2014-07-09 | 北京智行鸿远汽车技术有限公司 | Range extender system used for electromobile |
| JP2015077856A (en) * | 2013-10-16 | 2015-04-23 | トヨタ自動車株式会社 | Hybrid-vehicular control apparatus |
| CN105253028A (en) * | 2015-11-19 | 2016-01-20 | 福建省福工动力技术有限公司 | Control method and device for hybrid power supply stroke-adding type electric vehicle |
| CN205768599U (en) * | 2016-04-18 | 2016-12-07 | 东莞市瑞达电瓶车科技有限公司 | A kind of range extender of electric vehicle |
| CN205836505U (en) * | 2016-03-30 | 2016-12-28 | 重庆工商职业学院 | A kind of light-duty support means of automobile engine with shock-absorbing function |
| CN107471995A (en) * | 2016-08-23 | 2017-12-15 | 宝沃汽车（中国）有限公司 | The dynamical system and its control method of plug-in hybrid-power automobile |
| CN206797099U (en) * | 2017-04-12 | 2017-12-26 | 重庆伟恩机电制造有限公司 | A kind of engine support |
| CN107813708A (en) * | 2017-11-02 | 2018-03-20 | 北京理工大学 | A kind of range extended electric vehicle power system and its control method |
| CN207747767U (en) * | 2017-12-28 | 2018-08-21 | 开封金诺车业有限公司 | A kind of automobile charging vehicle locating device |
| CN209063904U (en) * | 2018-11-30 | 2019-07-05 | 开封金诺车业有限公司 | High-power increasing journey straight drive system for electric car |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6581713B2 (en) * | 2001-11-28 | 2003-06-24 | Aeon Motor Co., Ltd. | Engine suspension device of a beach buggy |
| JP6008051B2 (en) * | 2013-07-18 | 2016-10-19 | 日産自動車株式会社 | Hybrid vehicle |
| KR20170109160A (en) * | 2016-03-18 | 2017-09-28 | 현대자동차주식회사 | Fastening structure of engine-mount |
| JP6451699B2 (en) * | 2016-06-27 | 2019-01-16 | トヨタ自動車株式会社 | Control device for hybrid vehicle |
-
2018
- 2018-11-30 CN CN201811448411.1A patent/CN109334473B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570757A (en) * | 1993-11-22 | 1996-11-05 | Textron Inc. | Engine mounting system for a car |
| JPH0946817A (en) * | 1995-07-28 | 1997-02-14 | Isuzu Ceramics Kenkyusho:Kk | Hybrid electric vehicle |
| KR20040016310A (en) * | 2002-08-16 | 2004-02-21 | 현대모비스 주식회사 | Engine mounting system with dynamic damper |
| JP2004276764A (en) * | 2003-03-17 | 2004-10-07 | Honda Motor Co Ltd | Vehicular engine suspension device |
| KR20060057333A (en) * | 2004-11-23 | 2006-05-26 | 현대자동차주식회사 | Engine mounting structure |
| DE102007037693A1 (en) * | 2007-03-02 | 2008-09-04 | Volk Fahrzeugbau Gmbh | Industrial truck, particularly hybrid-driver-seat-tractor, has driving current running in and electric main circuit and driving machine is formed as electric motor for driving running wheel |
| KR200454940Y1 (en) * | 2010-03-03 | 2011-08-04 | 대동공업주식회사 | Engine Mounting Structure for Farm Vehicles |
| JP2012066738A (en) * | 2010-09-24 | 2012-04-05 | Toyota Motor Corp | Electric drive type vehicle |
| CN203231896U (en) * | 2013-04-19 | 2013-10-09 | 郑州宇通客车股份有限公司 | Hybrid power vehicle power assembly test rack |
| CN103204069A (en) * | 2013-05-07 | 2013-07-17 | 湖南大学 | Electromobile range extender and control method |
| JP2015077856A (en) * | 2013-10-16 | 2015-04-23 | トヨタ自動車株式会社 | Hybrid-vehicular control apparatus |
| CN203697984U (en) * | 2013-12-20 | 2014-07-09 | 北京智行鸿远汽车技术有限公司 | Range extender system used for electromobile |
| CN105253028A (en) * | 2015-11-19 | 2016-01-20 | 福建省福工动力技术有限公司 | Control method and device for hybrid power supply stroke-adding type electric vehicle |
| CN205836505U (en) * | 2016-03-30 | 2016-12-28 | 重庆工商职业学院 | A kind of light-duty support means of automobile engine with shock-absorbing function |
| CN205768599U (en) * | 2016-04-18 | 2016-12-07 | 东莞市瑞达电瓶车科技有限公司 | A kind of range extender of electric vehicle |
| CN107471995A (en) * | 2016-08-23 | 2017-12-15 | 宝沃汽车（中国）有限公司 | The dynamical system and its control method of plug-in hybrid-power automobile |
| CN206797099U (en) * | 2017-04-12 | 2017-12-26 | 重庆伟恩机电制造有限公司 | A kind of engine support |
| CN107813708A (en) * | 2017-11-02 | 2018-03-20 | 北京理工大学 | A kind of range extended electric vehicle power system and its control method |
| CN207747767U (en) * | 2017-12-28 | 2018-08-21 | 开封金诺车业有限公司 | A kind of automobile charging vehicle locating device |
| CN209063904U (en) * | 2018-11-30 | 2019-07-05 | 开封金诺车业有限公司 | High-power increasing journey straight drive system for electric car |
Non-Patent Citations (1)
| Title |
|---|
| 增程式电动汽车;吴苗苗;张欢园;;汽车工程师(11);58-60 * |
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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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