CN109515210A - A kind of pure electric automobile gear automatic switchover system - Google Patents
A kind of pure electric automobile gear automatic switchover system Download PDFInfo
- Publication number
- CN109515210A CN109515210A CN201811295310.5A CN201811295310A CN109515210A CN 109515210 A CN109515210 A CN 109515210A CN 201811295310 A CN201811295310 A CN 201811295310A CN 109515210 A CN109515210 A CN 109515210A
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- module
- gear
- driving motor
- signal
- speed
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/46—Drive Train control parameters related to wheels
- B60L2240/461—Speed
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention proposes a kind of pure electric automobile gear automatic switchover systems, including central control module, power module and gear switch module, the power module is connect with gear switch module, central control module and driving motor respectively, the output end of the gear switch module is connect with driving motor, the central control module and gear switch module are wirelessly connected, and the central control module includes central processing unit, vehicle speed sensor, torque angular transducer, signal acquisition module and communication transmission module；The present invention collects multipacket message when vehicle operation by multiple sensors and signal acquisition module, and vehicle totality floor data is sorted out by central processing unit, then the matching relationship of gear information and speed floor data is determined by automatic gear-shifting module, last automatic transmitting gear-shifting information to gear-shifting actuating mechanism carries out signal fusing, to switch over the operation of gear, overall process automatically switches, and substantially increases the operational efficiency of driving motor.
Description
Technical field
The present invention relates to electric vehicle engineering field more particularly to a kind of pure electric automobile gear automatic switchover systems.
Background technique
Pure electric automobile is by the automobile of electric-control system driving, electrical energy drive, and no discharge does not pollute the environment, in fuel oil
Gradually bored and lonely today, pure electric automobile replace traditional fuel-engined vehicle to be the inexorable trend of era development, opposite fuel-engined vehicle
For, pure electric automobile has environmentally protective, the sustainable advantage of the energy.
Existing automobile generally cuts off the transmitting of vehicle power in gearshift procedure by the separation of clutch, by synchronization
The cunning of ring, which is rubbed, completes synchronizing process, realizes gear shift, and this structure is for pure electric automobile, to driving in gearshift procedure
The coordinated control of motor, speed changer and gear-shifting actuating mechanism is extremely complex, not convenient enough, can not be automatically according to current vehicle speed
Gear is adjusted, is started to walk or is climbed with high torque (HT) in low speed, run at high speed and travelled with low or first gear, cannot be automatically switched,
The operational efficiency of motor is leveraged, power consumption is serious, and noise and shifting shock are easy to produce in gearshift procedure, gear shift
Quality is not high, seriously affects the gear shift ride comfort of vehicle and the comfort of seating, and therefore, the present invention proposes a kind of pure electric automobile
Gear automatic switchover system is to solve problems of the prior art.
Summary of the invention
In view of the above-mentioned problems, the multiple groups that the present invention collects when vehicle is run by multiple sensors and signal acquisition module are believed
Breath, and vehicle totality floor data is sorted out by central processing unit, then by automatic gear-shifting module to gear information and vehicle
Fast floor data carries out comprehensive descision, determines the matching relationship of gear information and speed floor data, last automatic transmitting gear shift
Information to gear-shifting actuating mechanism carries out signal fusing, less than the low speed of setting vehicle speed value, matches with low or first gear, is higher than setting
The high speed of vehicle speed value, matches with top gear, to switch over the operation of gear, overall process automatically switches, and greatly improves
The operational efficiency of driving motor, power saving.
To solve the above-mentioned problems, the present invention proposes a kind of pure electric automobile gear automatic switchover system, including center control
Molding block, power module and gear switch module, the power module respectively with gear switch module, central control module and drive
Dynamic motor connection, the output end of the gear switch module are connect with driving motor, the central control module and gear switch
Module is wirelessly connected, and the central control module includes that central processing unit, vehicle speed sensor, torque angular transducer, signal are adopted
Collect module and communication transmission module, the data output end of the vehicle speed sensor, torque angular transducer and signal acquisition module
It is wirelessly connected with central processing unit, and central processing unit makes analysis and processing to data, sorts out operating condition conceptual data, it will
Operating condition conceptual data is passed into communications command module, the operating condition that the communications command module carrys out central processing unit transmitting is overall
Data conversion is at communication signal；
The gear switch module includes gear position sensor, signal receiving module, automatic gear-shifting module, gear shift execution machine
Structure, speed changer and wheel velocity detector, the gear position sensor record current gear information in real time, and are transferred to driver's cabin reality
When show, the signal receiving module and communication transmission module, which are wirelessly connected, receives communication signal, and signal receiving module will connect
The communication signal received is transferred to automatic gear-shifting module, and the wheel velocity detector collects wheel real-time speed, and by data
It passes to automatic gear-shifting module, gear information and vehicle working condition information is determined after the automatic gear-shifting module computed information
Matching relationship obtains instruction, and instruction is passed to gear-shifting actuating mechanism, the control terminal and speed changer of the gear-shifting actuating mechanism
Connection, and speed changer is connect with driving motor；
The power module includes power battery, electronic control unit and protective module, and the electronic control unit is set as multiple, respectively
It is connect with central control module, gear switch module and driving motor, the protective module includes constant pressure and flow module, transformation mould
Block, battery circuit real-time detection module and alarm module, the constant pressure and flow module and voltage changing module are connect with electronic control unit, institute
It states battery circuit real-time detection module and alarm module is connect with power battery.
Further improvement lies in that: the signal acquisition input terminal of the signal acquisition module is used to acquire accelerator pedal signal,
Brake pedal signal, electric efficiency curve signal, driver intention signal and surface conditions signal, and signal acquisition module is based on
The above signal calculates optimum target gear data by shift decision algorithm, and transfers data to central processing unit.
Further improvement lies in that: the vehicle speed sensor real-time measurement simultaneously records the current speed of vehicle, the torque angle
Degree sensor real-time measurement simultaneously records the steering angle of vehicle and torsional forces that driving motor is subject to.
Further improvement lies in that: the instruction that the gear-shifting actuating mechanism is passed over according to automatic gear-shifting module passes through change
Fast device controls driving motor speed, and the speed and difference in wheel speed for making driving motor tend to be automatic in a fixed range
It is synchronous, then control the operation that speed changer cooperation driving motor switches over gear.
Further improvement lies in that: the automatic gear-shifting module includes analysis chip and precision analysis program, to the data obtained
Detailed calculating and screening are carried out, and makes and accurately instructs.
Further improvement lies in that: the speed changer includes electric machine controller, emergency manual shifter assemblies and gearbox, described
Electric machine controller is connect with driving motor, and the gearbox is connect with gear-shifting actuating mechanism, the urgent shifter assemblies and speed change
Case connection, and gearbox is connect with electric machine controller.
Further improvement lies in that: the electricity in the battery circuit real-time detection module real-time detection power battery and circuit
Pressure, capacitor and electric current, any one value reaches automobile electric control system in electrical leakage, current value and voltage value data in circuit
When safe threshold, start alarm module, and controls constant pressure and flow module and voltage changing module progress emergency adjustment.
The invention has the benefit that the present invention is collected when vehicle is run by multiple sensors and signal acquisition module
Multipacket message, and vehicle totality floor data is sorted out by central processing unit, then gear is believed by automatic gear-shifting module
Breath and speed floor data carry out comprehensive descision, determine the matching relationship of gear information and speed floor data, last to pass automatically
It passs gear-shifting information to gear-shifting actuating mechanism and carries out signal fusing, less than the low speed of setting vehicle speed value, match with low or first gear, it is high
In the high speed of setting vehicle speed value, match with top gear, to switch over the operation of gear, overall process automatically switches, greatly
The operational efficiency of driving motor, power saving are improved greatly, while gear-shifting actuating mechanism of the invention is transmitted according to automatic gear-shifting module
The instruction to come over, controls driving motor speed, and the speed and difference in wheel speed for making driving motor become in a fixed range
In automatic synchronization, reduce noise and shifting shock, gear shifting quality is high, and cooperates analysis chip and precision analysis program, makes
Instruction is more accurate, is conducive to improve driving motor corresponding speed, makes gear shift faster, in addition, the present invention is equipped with protective module, favorably
In rationally control voltage and current, vehicle is kept to operate normally, finally, the present invention is equipped with emergency manual shifter assemblies, moved certainly
When catastrophe failure and mistake occur in shelves, it can be conducive to improve safety with emergency manual gear shift.
Detailed description of the invention
Fig. 1 is present system structural schematic diagram.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
According to Fig. 1, the present embodiment proposes a kind of pure electric automobile gear automatic switchover system, including center control
Module, power module and gear switch module, the power module respectively with gear switch module, central control module and driving
Motor connection, the output end of the gear switch module are connect with driving motor, the central control module and gear switch mould
Block is wirelessly connected, and the central control module includes central processing unit, vehicle speed sensor, torque angular transducer, signal acquisition
The data output end of module and communication transmission module, the vehicle speed sensor, torque angular transducer and signal acquisition module is equal
It is wirelessly connected with central processing unit, and central processing unit makes analysis and processing to data, sorts out operating condition conceptual data, it will
Operating condition conceptual data passes to communications command module, the operating condition totality number that the communications command module carrys out central processing unit transmitting
According to being converted into communication signal；
The gear switch module includes gear position sensor, signal receiving module, automatic gear-shifting module, gear shift execution machine
Structure, speed changer and wheel velocity detector, the gear position sensor record current gear information in real time, and are transferred to driver's cabin reality
When show, the signal receiving module and communication transmission module, which are wirelessly connected, receives communication signal, and signal receiving module will connect
The communication signal received is transferred to automatic gear-shifting module, and the wheel velocity detector collects wheel real-time speed, and by data
It passes to automatic gear-shifting module, gear information and vehicle working condition information is determined after the automatic gear-shifting module computed information
Matching relationship obtains instruction, and instruction is passed to gear-shifting actuating mechanism, the control terminal and speed changer of the gear-shifting actuating mechanism
Connection, and speed changer is connect with driving motor；
The power module includes power battery, electronic control unit and protective module, and the electronic control unit is set as multiple, respectively
It is connect with central control module, gear switch module and driving motor, the protective module includes constant pressure and flow module, transformation mould
Block, battery circuit real-time detection module and alarm module, the constant pressure and flow module and voltage changing module are connect with electronic control unit, institute
It states battery circuit real-time detection module and alarm module is connect with power battery.
The signal acquisition input terminal of the signal acquisition module is for acquiring accelerator pedal signal, brake pedal signal, electricity
Engine efficiency curve signal, driver intention signal and surface conditions signal, and signal acquisition module is based on the above signal by changing
Shelves decision making algorithm calculates optimum target gear data, and transfers data to central processing unit.
The vehicle speed sensor real-time measurement simultaneously records the current speed of vehicle, the torque angular transducer real-time measurement
And record the steering angle of vehicle and torsional forces that driving motor is subject to.
The instruction that the gear-shifting actuating mechanism is passed over according to automatic gear-shifting module passes through transmission control driving motor
Speed, the speed and difference in wheel speed for making driving motor tend to automatic synchronization, then control speed change in a fixed range
Device cooperation driving motor switches over the operation of gear.
The automatic gear-shifting module includes analysis chip and precision analysis program, to the data obtained carry out detailed calculating and
Screening, and make and accurately instruct.
The speed changer includes electric machine controller, emergency manual shifter assemblies and gearbox, the electric machine controller and is driven
Dynamic motor connection, the gearbox are connect with gear-shifting actuating mechanism, and the urgent shifter assemblies are connect with gearbox, and gearbox
It is connect with electric machine controller.
Voltage in the battery circuit real-time detection module real-time detection power battery and circuit, capacitor and electric current,
When any one value reaches the safe threshold of automobile electric control system in electrical leakage, current value and voltage value data in circuit, starting
Alarm module, and control constant pressure and flow module and voltage changing module progress emergency adjustment.
The present invention collects multipacket message when vehicle operation by multiple sensors and signal acquisition module, and passes through center
Processor sorts out vehicle totality floor data, is then carried out by automatic gear-shifting module to gear information and speed floor data
Comprehensive descision determines the matching relationship of gear information and speed floor data, and last automatic transmitting gear-shifting information to gear shift executes
Mechanism carries out signal fusing, less than the low speed of setting vehicle speed value, matches with low or first gear, higher than the high vehicle of setting vehicle speed value
Speed matches with top gear, to switch over the operation of gear, overall process automatically switches, and substantially increases driving motor
Operational efficiency, power saving, while the instruction that gear-shifting actuating mechanism of the invention is passed over according to automatic gear-shifting module, control driving
Motor speed, the speed and difference in wheel speed for making driving motor tend to automatic synchronization, reduce and make an uproar in a fixed range
Sound and shifting shock, gear shifting quality is high, and cooperates analysis chip and precision analysis program, keeps instruction more accurate, is conducive to mention
High driving motor corresponding speed, makes gear shift faster, in addition, the present invention is equipped with protective module, is conducive to rationally control voltage and current,
It keeps vehicle to operate normally, finally, the present invention is equipped with emergency manual shifter assemblies, catastrophe failure and mistake occurs in fluid drive
When, it can be conducive to improve safety with emergency manual gear shift.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of pure electric automobile gear automatic switchover system, it is characterised in that: including central control module, power module and shelves
Position switching module, the power module are connect with gear switch module, central control module and driving motor respectively, the gear
The output end of switching module is connect with driving motor, and the central control module and gear switch module are wirelessly connected, it is described in
Entreating control module includes central processing unit, vehicle speed sensor, torque angular transducer, signal acquisition module and communications mould
The data output end of block, the vehicle speed sensor, torque angular transducer and signal acquisition module is wireless with central processing unit
Connection, and central processing unit makes analysis and processing to data, sorts out operating condition conceptual data, will transmit operating condition conceptual data
Communications command module is given, the operating condition conceptual data that central processing unit transmitting comes is converted into communication letter by the communications command module
Number；
The gear switch module includes gear position sensor, signal receiving module, automatic gear-shifting module, gear-shifting actuating mechanism, change
Fast device and wheel velocity detector, the gear position sensor record current gear information in real time, and are transferred to driver's cabin and show in real time
Show, the signal receiving module and communication transmission module are wirelessly connected and receive communication signal, and signal receiving module will receive
Communication signal be transferred to automatic gear-shifting module, the wheel velocity detector collects wheel real-time speed, and data are transmitted
To automatic gear-shifting module, the matching of gear information and vehicle working condition information is determined after the automatic gear-shifting module computed information
Relationship obtains instruction, and instruction is passed to gear-shifting actuating mechanism, and the control terminal and speed changer of the gear-shifting actuating mechanism connect
It connects, and speed changer is connect with driving motor；
The power module includes power battery, electronic control unit and protective module, and the electronic control unit is set as multiple, respectively in
Centre control module, gear switch module are connected with driving motor, and the protective module includes constant pressure and flow module, voltage changing module,
Battery circuit real-time detection module and alarm module, the constant pressure and flow module and voltage changing module are connect with electronic control unit, described
Battery circuit real-time detection module and alarm module are connect with power battery.
2. a kind of pure electric automobile gear automatic switchover system according to claim 1, it is characterised in that: the signal is adopted
The signal acquisition input terminal of collection module electric efficiency curve signal, drives for acquiring accelerator pedal signal, brake pedal signal
Member's signal of intent and surface conditions signal, and signal acquisition module is based on the above signal and is calculated most preferably by shift decision algorithm
Target gear number evidence, and transfer data to central processing unit.
3. a kind of pure electric automobile gear automatic switchover system according to claim 1, it is characterised in that: the speed passes
Sensor real-time measurement simultaneously records the current speed of vehicle, the torque angular transducer real-time measurement and the steering angle for recording vehicle
The torsional forces that degree and driving motor are subject to.
4. a kind of pure electric automobile gear automatic switchover system according to claim 1, it is characterised in that: the gear shift is held
The instruction that row mechanism is passed over according to automatic gear-shifting module makes driving motor by transmission control driving motor speed
Speed and difference in wheel speed tend to automatic synchronization in a fixed range, then control speed changer cooperate driving motor into
The operation of row switching gear.
5. a kind of pure electric automobile gear automatic switchover system according to claim 1, it is characterised in that: described to move certainly
Shelves module includes analysis chip and precision analysis program, carries out detailed calculating and screening to the data obtained, and make precisely
Instruction.
6. a kind of pure electric automobile gear automatic switchover system according to claim 1, it is characterised in that: the speed changer
Including electric machine controller, emergency manual shifter assemblies and gearbox, the electric machine controller is connect with driving motor, the speed change
Case is connect with gear-shifting actuating mechanism, and the urgent shifter assemblies are connect with gearbox, and gearbox is connect with electric machine controller.
7. a kind of pure electric automobile gear automatic switchover system according to claim 1, it is characterised in that: the battery electricity
Voltage in road real-time detection module real-time detection power battery and circuit, capacitor and electric current, in circuit electrical leakage, current value
With when any one value reaches the safe threshold of automobile electric control system in voltage value data, start alarm module, and control constant pressure
Constant flow module and voltage changing module carry out emergency adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295310.5A CN109515210B (en) | 2018-11-01 | 2018-11-01 | Automatic gear switching system of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295310.5A CN109515210B (en) | 2018-11-01 | 2018-11-01 | Automatic gear switching system of pure electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109515210A true CN109515210A (en) | 2019-03-26 |
| CN109515210B CN109515210B (en) | 2020-05-26 |
Family
ID=65773948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811295310.5A Expired - Fee Related CN109515210B (en) | 2018-11-01 | 2018-11-01 | Automatic gear switching system of pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109515210B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985656A (en) * | 2019-12-16 | 2020-04-10 | 北京新能源汽车技术创新中心有限公司 | Electric automobile gear shifting method, device, storage medium and system and electric automobile |
| CN112606818A (en) * | 2020-12-17 | 2021-04-06 | 武汉格罗夫氢能汽车有限公司 | Gear switching device of five-gear speed-changing hydrogen energy automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900994A (en) * | 1987-09-29 | 1990-02-13 | Alps Electric Co., Ltd. | Protection circuit for a power window apparatus |
| CN103775623A (en) * | 2014-01-31 | 2014-05-07 | 北京阳铭诚科技有限责任公司 | Automatic shifting strategy of electric vehicle |
| CN103883727A (en) * | 2013-12-31 | 2014-06-25 | 江苏陆地方舟新能源电动汽车有限公司 | Automatic shift control system and method for electric vehicles |
| JP2015227709A (en) * | 2014-06-02 | 2015-12-17 | 株式会社デンソー | Shift range control device |
-
2018
- 2018-11-01 CN CN201811295310.5A patent/CN109515210B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900994A (en) * | 1987-09-29 | 1990-02-13 | Alps Electric Co., Ltd. | Protection circuit for a power window apparatus |
| CN103883727A (en) * | 2013-12-31 | 2014-06-25 | 江苏陆地方舟新能源电动汽车有限公司 | Automatic shift control system and method for electric vehicles |
| CN103775623A (en) * | 2014-01-31 | 2014-05-07 | 北京阳铭诚科技有限责任公司 | Automatic shifting strategy of electric vehicle |
| JP2015227709A (en) * | 2014-06-02 | 2015-12-17 | 株式会社デンソー | Shift range control device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985656A (en) * | 2019-12-16 | 2020-04-10 | 北京新能源汽车技术创新中心有限公司 | Electric automobile gear shifting method, device, storage medium and system and electric automobile |
| CN110985656B (en) * | 2019-12-16 | 2021-02-02 | 北京新能源汽车技术创新中心有限公司 | Electric automobile gear shifting method, device, storage medium and system and electric automobile |
| CN112606818A (en) * | 2020-12-17 | 2021-04-06 | 武汉格罗夫氢能汽车有限公司 | Gear switching device of five-gear speed-changing hydrogen energy automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109515210B (en) | 2020-05-26 |
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