CN106627126A - Electric vehicle gear shift control system and control method thereof - Google Patents
Electric vehicle gear shift control system and control method thereof Download PDFInfo
- Publication number
- CN106627126A CN106627126A CN201610910603.4A CN201610910603A CN106627126A CN 106627126 A CN106627126 A CN 106627126A CN 201610910603 A CN201610910603 A CN 201610910603A CN 106627126 A CN106627126 A CN 106627126A
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- Prior art keywords
- gear
- electric automobile
- change pedal
- pedal
- gear shift
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Classifications
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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
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
-
- 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
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/36—Generation or transmission of movements for final actuating mechanisms with at least one movement being transmitted by a cable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
- F16H63/3026—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure comprising friction clutches or brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
- F16H2061/185—Means, e.g. catches or interlocks, for preventing unintended shift into reverse gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses an electric vehicle gear shift control system and a control method thereof. The electric vehicle shifting control system is composed of a gear shift operating device and a gear shift motion transmission device, and the gear shift motion transmission device is connected between the gear shift operating device and a clutch of the electric vehicle to the gear shift motion so as to convey the gear shift motion to a diaphragm spring of the clutch, and to further control combination and separation of a clutch pressure plate and a friction plate; the gear shift device is composed of a gear shift pedal, a gear shift rocker arm, a guide rod, a roll and a guide rail; the gear shift pedal is hinged to the car body through the gear shift rocker arm, and a return spiral spring is installed on the gear shift rocker arm; the guide rod pulls the roll to move in the guide rail; two limit points and two vertexes are arranged on the guide rail, when the roll is located at the limit points, the stepped gear shift pedal cannot rebound under the action of external force, and when the roll is located at the vertexes, the gear shift pedal cannot continue to be stepped on. According to the electric vehicle gear shift control system and the control method thereof, effective and reliable electric gear shift control can be achieved.
Description
Technical field
The invention belongs to technical field of electric vehicle transmission, and in particular to a kind of electric automobile gearshift control system and its behaviour
Prosecutor method.
Background technology
How the important directions that to the dependence of oil are modern automobile industry development are reduced.Jin Liangnian China pure electric automobile
Quickly grow, multiple enterprises have commercially released pure electric automobile, and pure electric automobile comes into the industrialization stage.
At present electric automobile transmission scheme can be divided into the transmission scheme of electric-machine directly-driven and the transmission of motor+automatic gear-box
Scheme.Patent【CN105864372A】With patent【CN105864368A】Propose two kinds of two gears for being directed to electric automobile automatically controlled
Mechanical automatic gearbox, shift process needs to control the combination of dry clutch and separate, therefore in motor+automatic gear-box
In transmission scheme, individually automatically controlled gear shifting actuating mechanism is needed to be shifted gears so that the program has system cost height, control process
Complexity, and the low defect of service life.Therefore, optimize electric automobile gearshift control system, reduce system cost, raising system makes
With efficiency, for electric automobile cost is further reduced, electric automobile gearshift performance is lifted significant.
The content of the invention
For defect present in above-mentioned prior art, the invention provides a kind of electric automobile gearshift control system and its
Control method, realizes efficient, reliable electric automobile gearshift manipulation.With reference to Figure of description, technical scheme is as follows：
A kind of electric automobile gearshift control system, is made up of gear-shifting operating device and gear shifting action transfer device, described to change
Gear action transmitting device is connected between gear-shifting operating device and the clutch of electric automobile, and gear shifting action is transferred to into clutch
Diaphragm spring 13, and then control the combination or separation of clutch compressing disc 11 and friction plate 12；
The gear-shifting operating device is by change pedal 23, gear-shifting rocker arm 26, return helical spring 27, guide post 28, roller
29 and guide rail 30 constitute；
The change pedal 23 is connected with the one end of gear-shifting rocker arm 26, and the other end of gear-shifting rocker arm 26 is hinged with car body, described time
Position helical spring 27 is arranged between gear-shifting rocker arm 26 and car body, being hinged between gear-shifting rocker arm 26 and car body of change pedal 23
Point rotation, and reset trend is produced in the presence of return helical spring 27；
The one end of the guide post 28 is hinged on gear-shifting rocker arm 26, and the other end is connected with roller 29, and the roller 29 is movable
It is installed in guide rail 30；
The guide rail 30 is fixed on car body, in circulating enclosed structure, two limits is provided with guide rail 30
Site and two summits, correspond to respectively position of the change pedal 23 in one, two gears, and the limit point is arranged alternately with summit,
When roller 29 be in limit point when, the change pedal 23 being operated in the case where acting on without external force cannot resilience, when roller 29 is in
During summit, change pedal 23 cannot continue to be operated.
A kind of electric automobile gearshift control system, wherein, the gear shifting action transfer device is fluid pressure type gear shifting action biography
Delivery device, is made up of the first oil pipe 7, hydraulic pressure separating bearing 14, hydraulic main cylinder 2, the oil circuit 25 of oil can 3 and the 3rd；
The piston rod of the hydraulic main cylinder 2 is connected with gear-shifting rocker arm 26, and hydraulic main cylinder 2 is connected with oil can 3, hydraulic main cylinder 2
External 3rd oil pipe 25 of oil-out；One end of first oil pipe 7 is connected with the 3rd oil pipe 25 by conduit coupling, and first
The other end of oil pipe 7 is connected with hydraulic pressure separating bearing 14, the diaphragm bullet of the hydraulic pressure separating bearing 14 and clutch of electric automobile
Spring 13 connects, and hydraulic pressure separating bearing 14 presses diaphragm spring 13, so control clutch compressing disc 11 and friction plate 12 combination or
Separate.
Further, the electric automobile gearshift control system also includes anti-error extension reverse gear apparatus, by the second oil circuit 24, liquid
Pressure wheel cylinder 22, hydraulic main cylinder 2, the oil circuit 25 of oil can 3 and the 3rd are constituted；
The piston rod of the hydraulic main cylinder 2 is connected with gear-shifting rocker arm 26, and hydraulic main cylinder 2 is connected with oil can 3, hydraulic main cylinder 2
External 3rd oil pipe 25 of oil-out, one end of second oil pipe 24 is connected with the 3rd oil pipe 25 by conduit coupling,
The other end of two oil pipes 24 is connected with hydraulic shunt pump 22, hydraulic shunt pump 22 prop up be connected with the button 20 that reverses gear of electric automobile fall
Gear button spring 21.
A kind of electric automobile gearshift control system, wherein, the gear shifting action transfer device is drag-line gear shifting action biography
Delivery device, is made up of manipulating pulling cable 31, fork type release bearing 32, separation rocking arm 33 and disengaging yoke 34；
The shell two ends of the manipulating pulling cable 31 are separately fixed on car body and gear box casing, steel wire two in manipulating pulling cable 31
End respectively with change pedal 23 and separate rocking arm 33 and be hinged, separate the other end of rocking arm 33 and be connected with disengaging yoke 34, separation
The struck side of shift fork 34 is acted against on the end face of fork type release bearing 32, fork type release bearing 32 and clutch of electric automobile
Diaphragm spring 13 connect, step on change pedal 23, by manipulating pulling cable 31 drive separate rocking arm 33 swing, and then make separation dial
Fork 34 is rotated and oppresses fork type release bearing 32 axially movable, and fork type release bearing 32 presses diaphragm spring 13, control
Clutch compressing disc 11 is separated or combined with friction plate 12.
Further, the electric automobile gearshift control system also includes anti-error extension reverse gear apparatus, by car body
Anti-down position switch 35 and the control circuit composition that reverses gear that controls to be connected with it；The installation site of anti-down position switch 35 and gearshift
Pedal 23 is corresponding so that change pedal 23 is in and corresponds to the opening and closing shape for touching anti-down position switch 35 when one or two gears are put respectively
State.
A kind of control method of electric automobile gearshift control system, it is specific as follows：
Electric automobile keeps off when dropping to a gear from two：
Driver steps on change pedal 23, and gear-shifting rocker arm 26 overcomes return helical spring 27 to rotate, and gear-shifting rocker arm 26 is promoted
Guide post 28 is moved, and guide post 28 promotes the motion in guide rail 30 of roller 29, when roller 29 moves to guide rail 30
First summit D1When, change pedal 23 can not continue to be operated, and now driver unclamps change pedal 23, in return helical spring
The resilience of change pedal 23 in the presence of 27, drives roller 29 to continue to be moved along guide rail 30, until it reaches gear limit point X1,
Now change pedal 23 put in a gear in the case where acting on without external force and will not resilience, now, gear shifting action transfer device will be applied
The diaphragm spring 13 of plus-pressure to clutch, under the pressure effect of diaphragm spring 13,12 points of clutch compressing disc 11 and friction plate
From gearbox 9 is a gear, and driver presses forward gear button 16, pedal 5 of stepping on the throttle, and motor 8 produces power and passes through speed change
Case 9 is with a gear form output；
Electric automobile keeps off when dropping to two gears from one：
Driver steps on again change pedal 23, and gear-shifting rocker arm 26 promotes guide post 28 to move, and guide post 28 promotes roller
29 continue orbital motion in guide rail 30, until roller 29 moves to the summit D of guide rail 30 second2When, gearshift is stepped on
Plate 23 can not continue to step on, and now driver unclamps change pedal 23, the change pedal 23 in the presence of return helical spring 27
Resilience, drives roller 29 to continue to be moved along guide rail 30, until it reaches two gear limit points X2, now change pedal 23 is without outer
Power effect is lower put in two gears and will not resilience, now, gear shifting action transfer device will diaphragm spring of the releasing to clutch
13 pressure, clutch compressing disc 11 is compressed with friction plate 12 under the returning place force effect of diaphragm spring 13, and gearbox 9 is two gears,
Driver presses forward gear button 16, pedal 5 of stepping on the throttle, and it is defeated in two gear forms by gearbox 9 that motor 8 produces power
Go out；
Electric automobile reverses gear when exercising：
Ensure that change pedal 23 is in releasing orientation, now, gear shifting action transfer device will release the diaphragm to clutch
The pressure of spring 13, clutch compressing disc 11 is compressed with friction plate 12 under the returning place force effect of diaphragm spring 13, and gearbox 9 is two
Gear, driver presses the button 20 that reverses gear, and pedal 5 of stepping on the throttle, motor 8 is inverted, and motor 8 produces power and passes through gearbox 9
With two gear form outputs, vehicle reverse.
A kind of control method of electric automobile gearshift control system, wherein, the control method also includes preventing extension by mistake from falling
The method of gear, detailed process is as follows：
Step one：When driver sends instruction of reversing gear；
Step 2：Judge hang the gear for reversing gear when whether front gear box is in, in this way, perform action motor reversion of reversing gear
Traveling of reversing gear is carried out, it is such as no, do not perform action of reversing gear；
Step 3：Change gearbox gear, and return to step one.
Further, the gear for reversing gear of hanging is two gears, and it is a gear not allow to hang the gear for reversing gear.
Compared with prior art, the beneficial effects of the present invention is：
1st, during above-mentioned upshift and downshift, driver only needs to step on change pedal 23, controls clutch compressing disc 11
Separation with friction plate 12 and combination, you can complete gear shifting action, the simple and reliable property of shift process is good.
2nd, when needing driver to be linked into a gear, only change pedal 23 need to be stepped on, the pin of driver just may exit off gearshift
Pedal 23, vehicle maintains a gear, alleviates the burden of driver, improves driving comfort sense.
3rd, when needing driver to be linked into two gears, only change pedal 23 need to be again stepped on, the pin of driver just may exit off
Change pedal 23, change pedal 23 unclamps, and vehicle maintains two gears, alleviates the burden of driver, improves driving comfort sense.
4th, can ensure that motor 8 drives all the time vehicle to travel in shift process, does not have power interruption problem, improve car
Traveling ride comfort.
5th, the present invention has adaptability characteristic for some specific gearbox models, is such as directed to patent
【CN105864368A】Two shift transmissions of the electric motor car of middle proposition, patent【CN105864368A】Middle speed changer requires to be in two
Motor reversal could be realized reversing gear and not allowing to be hung under a gear state reversing gear under gear state.The present invention can exactly prevent gearbox
When keeping off in one, vehicle hangs traveling of reversing gear, and makes car load transmission process relatively reliable.
Description of the drawings
Fig. 1 is a kind of electric automobile gearshift control system general illustration of the present invention；
Fig. 2 is a kind of electric automobile gearshift control system of the present invention in general illustration during two gear drivings；
Fig. 3 is that a kind of electric automobile gearshift control system of the present invention is partially schematic in transmission system during two gear drivings
Figure；
Fig. 4 is that a kind of electric automobile gearshift control system of the present invention is partially schematic in change pedal during two gear drivings
Figure；
Fig. 5 is a kind of electric automobile gearshift control system of the present invention in general illustration during a gear driving；
Fig. 6 is that a kind of electric automobile gearshift control system of the present invention is partially schematic in transmission system during a gear driving
Figure；
Fig. 7 is that a kind of electric automobile gearshift control system of the present invention is partially schematic in change pedal during a gear driving
Figure；
Fig. 8 is general illustration when a kind of electric automobile gearshift control system of the present invention drives in reversing gear；
Fig. 9 is that transmission system is partially schematic when a kind of electric automobile gearshift control system of the present invention drives in reversing gear
Figure；
Figure 10 is that change pedal local shows when a kind of electric automobile gearshift control system of the present invention drives in reversing gear
It is intended to；
Figure 11 is in a kind of electric automobile gearshift control system of the present invention, using drag-line as control action transfer device
When partial schematic diagram；
Figure 12 a are drag-line control action transfer device office in a kind of electric automobile gearshift control system of the present invention
Portion's schematic diagram；
Figure 12 b are Figure 12 a side views；
When Figure 13 is that a kind of electric automobile gearshift control system of the present invention is in a gear driving, drag-line control action
The working state schematic representation of transfer device；
When Figure 14 is that a kind of electric automobile gearshift control system of the present invention is in two gear drivings, drag-line control action
The working state schematic representation of transfer device；
When Figure 15 is that a kind of electric automobile gearshift control system of the present invention drives in reversing gear, drag-line control action
The working state schematic representation of transfer device；
Figure 16 is a kind of structure letter of electric automobile gearshift control system of the present invention guide rail in a gear state
Figure；
Figure 17 is a kind of structure letter of electric automobile gearshift control system of the present invention guide rail in two gear states
Figure；
Figure 18 is in a kind of electric automobile gearshift control system of the present invention, to prevent extension reverse gear system effect logic by mistake from showing
It is intended to；
Figure 19 is in a kind of electric automobile gearshift control system of the present invention, to prevent from hanging by mistake reverse gear system in self shifter
The effect logical schematic after corresponding improvement is made in gearbox.
In figure：
1- threeways；2- hydraulic main cylinders；3- oil cans；4- brake pedals；5- gas pedals；
6- display screens；The oil pipes of 7- first；8- motors；9- gearboxes；10- empty set axles；
11- clutch compressing discs；12- friction plates；13- diaphragm springs；14- hydraulic pressure separating bearings；15- axles；
16- forward gear buttons；17- forward gear button springs；18- neutral buttons；19- neutral button springs；20- reverse gear by
Button；
21- reverses gear button spring；22- hydraulic shunt pumps；23- change pedals；The oil pipes of 24- second；The oil pipes of 25- the 3rd；
26- gear-shifting rocker arms；27- return helical springs；28- guide posts；29- rollers；30- guide rails；
31- manipulating pulling cables；32- fork type release bearings；33- separates rocking arm；34- disengaging yokes；The anti-down position switch of 35-.
Specific embodiment
In order to technical scheme is expanded on further, with reference to Figure of description, the specific embodiment of the present invention is such as
Under：
The invention provides a kind of electric automobile gearshift control system, the system is mainly dynamic by gear-shifting operating device, gearshift
Make transfer device and anti-error extension reverse gear apparatus composition, wherein, gear shifting action transfer device can pass through fluid pressure type gear shifting action
Transfer device or drag-line gear shifting action transfer device two ways realize, both correspond to respectively different anti-error extensions and reverse gear dress
Put, during preventing gearbox to be in a gear, vehicle hangs traveling of reversing gear, improve car load transmission possibility.
Embodiment 1
As shown in figure 1, the present invention provide a kind of electric automobile gearshift control system, the system by gear-shifting operating device,
Fluid pressure type gear shifting action transfer device is constituted.The gear-shifting operating device is by change pedal 23, gear-shifting rocker arm 26, return spiral bullet
Spring 27, guide post 28, roller 29 and guide rail 30 are constituted.The fluid pressure type gear shifting action transfer device is by the He of the first oil pipe 7
Hydraulic pressure separating bearing 14 is constituted；Additionally, the electric automobile gearshift control system also includes an anti-error extension reverse gear apparatus, by second
Oil pipe 24, hydraulic shunt pump 22, hydraulic main cylinder 2, the oil pipe 25 of oil can 3 and the 3rd are constituted；
First oil pipe 7, the second oil pipe 24, the 3rd oil pipe 25 are connected by threeway 1.The oil-out of hydraulic main cylinder 2 and the 3rd
Oil pipe 25 connects, and the tailpiece of the piston rod of hydraulic main cylinder 2 is connected with gear-shifting rocker arm 26, and oil can 3 is connected with the pipeline of hydraulic main cylinder 2.First
The oil pipe other end is connected with hydraulic pressure separating bearing 14.Diaphragm spring 13 presses clutch compressing disc 11 and friction plate 12.Hydraulic pressure separating
Bearing 14 presses diaphragm spring 13, and control clutch compressing disc 11 is separated or combined with friction plate 12.Empty set axle 10 and clutch pressure
Disk 11 connects, and axle 15 is connected with friction plate 12.Motor 8 is connected with gearbox 9.Second oil pipe 24 connects with the pipeline of hydraulic shunt pump 22
Connect.Forward gear button 16 is connected with forward gear button spring 17, and neutral button 18 is connected with neutral button spring 19, and reverse gear button
20 are connected with button spring 21 of reversing gear.Hydraulic shunt pump 22 props up button spring 21 of reversing gear.Brake pedal 4 is fixed with gas pedal 5
On vehicle body, control vehicle is braked and accelerated.
In gear-shifting operating device, change pedal 23 is connected with gear-shifting rocker arm 26, can be between gear-shifting rocker arm 26 and car body
Pin joint rotation, the restoring force of return helical spring 27 causes change pedal 23 to have the trend put that sets back.Guide post 28
One end is hinged with gear-shifting rocker arm 26, and the other end is connected with roller 29, and roller 29 can the motion in guide rail 30.Guide rail 30
It is fixed on car body and have two limit points to correspond to position of the change pedal 23 in one, two gears respectively.When stepping on change pedal
When 23, roller 29 can be moved and alternately spacing between two limit points along guide rail 30.
As shown in Figure 16 and Figure 17, guide rail 30 is fixed on car body, in circulating enclosed structure, in guide rail 30
It is provided with two limit points X1、X2With two summit D1、D2, position of the change pedal 23 in one, two gears is corresponded to respectively, it is described
Limit point is arranged alternately with summit, and when roller 29 is in limit point, the change pedal 23 being operated without external force in the case where acting on
Cannot resilience, when roller 29 be in summit when, change pedal 23 cannot continue to be operated, two in guide rail 30 motion rail
Mark A, B correspond to respectively a gear shift into second and roller 29 when two gears change a gear movement locus.
Clutch compressing disc 11 separates combination with friction plate 12 and can realize that gearbox 9 is shifted gears in the present invention.Clutch compressing disc
11 separate with friction plate 12, and gearbox 9 is a gear.Clutch compressing disc 11 is compressed with friction plate 12, and gearbox 9 is two gears.
Here drives traveling it is to be appreciated that vehicle generally keeps off for two, and a gear is selected when needing to climb up larger slope
Traveling.
Present invention also offers a kind of control method of electric automobile gearshift control system, with reference to above-mentioned electric automobile gearshift
Control system, the control method is specifically described as follows：
When electric automobile is in a gear transport condition, as shown in Fig. 5, Fig. 6, Fig. 7 and Figure 16：
In state is stepped on, track A of the roller 29 in guide rail 30 is moved change pedal 23, into guide rail 30
One gear limit point X1, hydraulic pressure separating bearing 14 presses diaphragm spring 13, overcomes the original pretightning force of diaphragm spring 13 so that clutch
Device platen 11 is separated with friction plate 12, and gearbox 9 is a gear.Driver presses forward gear button 16, pedal 5 of stepping on the throttle, electricity
Motivation 8 produces power by gearbox 9 with a gear form output.At the same time, because the internal oil pressure of hydraulic shunt pump 22 is very high, liquid
Pressure wheel cylinder 22 props up button spring 21 of reversing gear so that the button 20 that reverses gear of the other end of button spring of reversing gear 21 cannot be pressed, can
Prevent extension by mistake from reversing gear.
When electric automobile is in two gear transport conditions, as shown in Fig. 2, Fig. 3, Fig. 4 and Figure 17：
Change pedal 23 is in releasing orientation, and track B of the roller 29 in guide rail 30 is moved, into guide rail 30
Two gear limit points X2.Clutch compressing disc 11 is compressed with friction plate 12 in the presence of the original pretightning force of diaphragm spring 13, speed change
Case 9 is two gears.Driver presses forward gear button 16, pedal 5 of stepping on the throttle, and motor 8 produces power by gearbox 9 with two
Gear form is exported.
As shown in figure 16 and figure 17, two summit D in guide rail 30 are moved to when roller 291、D2When, change pedal
23 can not continue to step on.Two limit points X in guide rail 30 are moved to when roller 291、X2When, the correspondence of change pedal 23 one
Two gear pedal positions, and will not the resilience of change pedal 23 in the case where acting on without external force.
Electric automobile keeps off when dropping to a gear from two, as shown in Fig. 6, Fig. 7 and Figure 16：
When vehicle runs into big slope needs climbing, two gears of the vehicle under normal enforcement state are needed to drop to gear traveling,
Driver steps on change pedal 23, and gear-shifting rocker arm 26 overcomes return helical spring 27 to rotate, and gear-shifting rocker arm 26 promotes guide post 28
Motion, guide post 28 promotes roller 29 to move along downshift track A in guide rail 30.Until roller 29 moves to guide rail
During 30 the first summit D1, change pedal 23 can not continue to step on, and now driver unclamps change pedal 23.When driver unclamps
After change pedal 23, the resilience of change pedal 23 in the presence of return helical spring 27 drives roller 29 to continue along guide rail
30 motions, until it reaches gear limit point X1, now put in a gear will not resilience again for change pedal 23.Change in above-mentioned stepping on
During gear pedal 23, the piston rod of hydraulic main cylinder 2 is compressed, and produces hydraulic oil, by the 3rd oil pipe 25, output to threeway
1, then hydraulic pressure separating bearing 14 and hydraulic shunt pump 22 are delivered to respectively by the first oil pipe 7 and the second oil pipe 24.Hydraulic separate is off-axis
Hold 14 and press diaphragm spring 13, overcome the original pretightning force of diaphragm spring 13 so that clutch compressing disc 11 is separated with friction plate 12, become
Fast case 9 is linked into a gear, and motor 8 produces power by gearbox 9 with a gear form output.Hydraulic shunt pump 22 is subject to hydraulic oil
Effect, props up and compresses button spring 21 of reversing gear, and the button 20 that makes to reverse gear cannot be pressed, during effectively prevent gear climbing
There is traveling of reversing gear in vehicle.
Electric automobile keeps off when being raised to two gears from one, as shown in Fig. 3, Fig. 4 and Figure 17：
When vehicle is wanted to be raised to two gear normally travels from a gear, driver steps on again change pedal 23, gear-shifting rocker arm
26 promotion guide posts 28 are moved, and guide post 28 promotes roller 29 to move along another upshift track B in guide rail 30.Until
Roller 29 moves to the second summit D of guide rail 302When, change pedal 23 can not continue to step on, and now driver unclamps and changes
Gear pedal 23.After driver unclamps change pedal 23, the resilience of change pedal 23 in the presence of return helical spring 27 drives
Roller 29 continues to be moved along guide rail 30, until it reaches two gear limit points X2, now change pedal 23 return to releasing orientation
That is two gears are put will not resilience again.Now the oil pressure of hydraulic main cylinder 2 declines, in the presence of diaphragm spring 13, hydraulic pressure separating bearing
14 returns, clutch compressing disc 11 is compressed with friction plate 12.Gearbox 9 is linked into two gears, and motor 8 produces power and passes through gearbox 9
With two gear form outputs.
When electric automobile reverses gear traveling, as shown in Fig. 8, Fig. 9 and Figure 10：
Now ensure that change pedal 23 is in releasing orientation, as it was previously stated, clutch compressing disc 11 is compressed with friction plate 12.This
When the internal oil pressure of hydraulic shunt pump 22 it is very low, the button 20 that reverses gear can be pressed, pedal 5 of stepping on the throttle, and motor 8 is inverted, electronic
Machine 8 produces power by gearbox 9 with two gear form outputs, vehicle reverse.
Embodiment 2
As shown in figure 11, on the basis of the gearshift control system described in above-described embodiment 1, can also be changed using drag-line
, used as gear shifting action transfer device, drag-line gear shifting action transfer device is by manipulating pulling cable 31, fork type for gear action transmitting device
Release bearing 32, separation rocking arm 33 and disengaging yoke 34 are constituted；
As depicted in figs. 12 a and 12b, disengaging yoke 34 is hinged in two casting ears of the housing of gearbox 9, can be around casting gudgeon
Line rotates, and compels release bearing 32 along its axially-movable by shift fork side pressure simultaneously in rotation.Separate rocking arm 33 and disengaging yoke 34
Shaft end is with spline drived connection so that separates disengaging yoke 34 when rocking arm 33 swings and also follows rotation.The shell two of manipulating pulling cable 31
End is separately fixed on car body and gear box casing, in drag-line steel wire two ends respectively with change pedal 23 and separate rocking arm 33 and cut with scissors
Connect, can transmit motion by drag-line when stepping on change pedal 23 swings separation rocking arm 33, and then disengaging yoke 34 is rotated simultaneously
Compressing fork type release bearing 32 is along its own axis axially-movable.Control clutch compressing disc 11 is separated or tied with friction plate 12
Close.
In the present embodiment, using drag-line gear shifting action transfer device as gear shifting action transfer device, enforcement is instead of
Oil pipe hydraulic pressure structure in example 1, the anti-reverse gear apparatus being engaged with drag-line gear shifting action transfer device are installed on car body
One anti-down position switch 35, the control connection of anti-down position switch 35 is connected on reverses gear in control circuit loop, and its open and-shut mode is right respectively
The combination of the control loop that should reverse gear and disconnection, the installation site of anti-down position switch 35 is corresponding with gear-shifting rocker arm 26 so that gearshift
Pedal 23 is in and corresponds to the open and-shut mode for touching anti-down position switch 35 when one or two gears are put respectively.When changing for the end of gear-shifting rocker arm 26
When gear pedal 23 is stepped on, gear-shifting rocker arm 26 oppresses anti-down position switch 35, corresponding control loop disconnection of reversing gear, it is impossible to which realization is reversed gear；
When the change pedal 23 of the end of gear-shifting rocker arm 26 unclamps, gear-shifting rocker arm 26 is separated with anti-down position switch 35, corresponding control of reversing gear
Circuit closed processed, realizes operation of reversing gear.
For patent【CN105864368A】Two shift transmissions of the electric motor car of middle proposition, the speed changer is required in two gears
Motor reversal could be realized reversing gear and not allowing to be hung under a gear state reversing gear under state.In the present embodiment, when pedal is in a gear
State of the anti-down position switch 35 in corresponding control loop disconnection of reversing gear, prevents from being hung under the gear state of speed changer one and reverses gear during state.
In addition to the structure and annexation of above-mentioned drag-line gear shifting action transfer device and anti-error extension reverse gear apparatus, the present invention
The other components and annexation of the gearshift control system can refer to embodiment 1, and here is omitted.
With reference to drag-line gear shifting action transfer device, present invention provides a kind of behaviour of electric automobile gearshift control system
Prosecutor method, with reference to above-mentioned electric automobile gearshift control system, the control method is specifically described as follows：
When electric automobile is in a gear transport condition, as shown in Figure 13 and Figure 16：
In state of stepping on, roller 29 is in gear limit point X in guide rail 30 to change pedal 231.Disengaging yoke
34 compressing release bearings 32, release bearing 32 presses diaphragm spring 13, overcomes the original pretightning force of diaphragm spring 13 so that clutch
Platen 11 is separated with friction plate 12, and gearbox 9 is a gear.At the same time, change pedal 23 is stepped on, and gear-shifting rocker arm 26 oppresses anti-down
Position switch 35, corresponding control loop disconnection of reversing gear, it is impossible to which realization is reversed gear, effectively prevents extension by mistake from reversing gear.
When electric automobile is in two gear transport conditions, as shown in Figure 14 and Figure 17：
Change pedal 23 is in releasing orientation, two gear limit points X of the roller 29 in guide rail 302.In diaphragm bullet
Clutch compressing disc 11 is compressed with friction plate 12 in the presence of the original pretightning force of spring 13, and gearbox 9 is two gears.
Electric automobile keeps off when dropping to a gear from two, as shown in Figure 13 and Figure 16：
When vehicle runs into big slope, when needing vehicle to drop to gear traveling, driver steps on change pedal 23, gear-shifting rocker arm
26 overcome return helical spring 27 to rotate, and gear-shifting rocker arm 26 promotes guide post 28 to move, and guide post 28 promotes roller 29 being oriented to
Move along track A in track 30.Until roller 29 moves to the summit D of guide rail 30 first1When, change pedal 23 can not continue
Step on, now driver unclamps change pedal 23.After driver unclamps change pedal 23, in the effect of return helical spring 27
The resilience of lower change pedal 23, drives roller 29 to continue to be moved along guide rail 30, until it reaches gear limit point X1, now shift gears
Pedal 23 is put in a gear will not resilience again.It is above-mentioned step on change pedal 23 during, by drag-line transmit motion make
Separate rocking arm 33 to swing, and then rotate disengaging yoke 34 and oppress fork type release bearing 32 along its own axis axial direction fortune
It is dynamic.Release bearing 32 presses diaphragm spring 13, overcomes the original pretightning force of diaphragm spring 13 so that clutch compressing disc 11 and friction plate
12 separate, and gearbox 9 is linked into a gear, and motor 8 produces power by gearbox 9 with a gear form output.Now change pedal
23 step on, and gear-shifting rocker arm 26 oppresses anti-down position switch 35, corresponding control loop disconnection of reversing gear, it is impossible to which realization is reversed gear, for patent
【CN105864368A】With two shift transmissions, (speed changer is required in motor reversal under two gear states just for the electric motor car of middle proposition
Can realize reversing gear and not allowing to be hung under a gear state reversing gear), effectively prevent from being hung under the gear state of speed changer one and reverse gear.Electric automobile from
When one gear is raised to two gears, as shown in Figure 14 and Figure 17：
When vehicle wants to be raised to two gears traveling, driver steps on again change pedal 23, and gear-shifting rocker arm 26 is promoted and is oriented to
Bar 28 is moved, and guide post 28 promotes roller 29 to move along track B in guide rail 30.Until roller 29 moves to guide rail
During 30 another summit, change pedal 23 can not continue to step on, and now driver unclamps change pedal 23.Change when driver unclamps
After gear pedal 23, the resilience of change pedal 23 in the presence of return helical spring 27 drives roller 29 to continue along guide rail 30
Motion, until it reaches two gear limit points, now change pedal 23 return to that releasing orientation i.e. two gears put will not resilience again.In film
In the presence of flat spring 13, the return of fork type release bearing 32, clutch compressing disc 11 is compressed with friction plate 12.Gearbox 9 is linked into
Two gears, motor 8 produces power by gearbox 9 with two gear form outputs.
When electric automobile reverses gear traveling, as shown in figure 15：
Now, it is ensured that change pedal 23 is in releasing orientation, as it was previously stated, clutch compressing disc 11 is compressed with friction plate 12.
Anti-down position switch 35 is closed, corresponding control loop connection of reversing gear, and can be hung up and be reversed gear, and pedal 5 of stepping on the throttle, motor 8 is inverted,
Motor 8 produces power by gearbox 9 with two gear form outputs, vehicle reverse.
Patent is directed in the present invention【CN105864368A】Two shift transmissions of the electric motor car of middle proposition, the speed changer is required
Could realize reversing gear and not allowing to be hung under a gear state in motor reversal under two gear states reversing gear, its anti-error extension reverse gear apparatus tool
Body embodiment includes but are not limited to the scheme that embodiment 1 and embodiment 2 are addressed in the present invention.With extension as shown in figure 18
The anti-error extension reverse gear system of gear work-based logic is come under in this patent protection domain.
Finally, it should be noted that the anti-error extension reverse gear apparatus referred in gearshift manipulation method disclosed in this invention are for difference
Gearbox require can have different adaptive approach.Require in motor reversal ability under a gear state for certain speed changer
Realization is reversed gear and does not allow to be hung under two gear states and reverses gear.The corresponding control loop of reversing gear of the opening and closing of anti-down position switch 35 can then be changed to lead to
Disconnected logical relation, state of the anti-down position switch 35 in corresponding control loop disconnection of reversing gear when making pedal be in two gear states,
Reaching prevents from hanging the purpose reversed gear under the gear state of speed changer two.Accordingly, range state during for certain speed changer to reversing gear without
During particular/special requirement, then can cancel anti-error extension and reverse gear control device so that gearbox, can in a gear or two gear states
Control loop is reversed gear so that motor is rotated backward by control, access is reversed gear.And for other shift logic gearboxes, prevent
Only hanging reverse gear apparatus by mistake can also make corresponding improvement, and its logic of putting into gear is as shown in figure 19.
Claims (8)
1. a kind of electric automobile gearshift control system, is made up of gear-shifting operating device and gear shifting action transfer device, and its feature exists
In：
The gear shifting action transfer device is connected between gear-shifting operating device and the clutch of electric automobile, and gear shifting action is passed
The diaphragm spring (13) of clutch is handed to, and then controls the combination or separation of clutch compressing disc (11) and friction plate (12)；
The gear-shifting operating device by change pedal (23), gear-shifting rocker arm (26), return helical spring (27), guide post (28),
Roller (29) and guide rail (30) are constituted；
The change pedal (23) is connected with gear-shifting rocker arm (26) one end, and gear-shifting rocker arm (26) other end is hinged with car body, described
Installed in gear-shifting rocker arm (26) and car body between, change pedal (23) is around gear-shifting rocker arm (26) and car body for return helical spring (27)
Between pin joint rotation, and in the presence of return helical spring (27) produce reset trend；
Described guide post (28) one end is hinged on gear-shifting rocker arm (26), and the other end is connected with roller (29), the roller (29)
It is movably installed in guide rail (30)；
The guide rail (30) is fixed on car body, in circulating enclosed structure, two limits is provided with guide rail (30)
Site and two summits, correspond to respectively position of the change pedal (23) in one, two gears, and the limit point replaces with summit and sets
Put, when roller (29) is in limit point, the change pedal (23) being operated in the case where acting on without external force cannot resilience, work as roller
(29) in summit when, change pedal (23) cannot continue to be operated.
2. as claimed in claim 1 a kind of electric automobile gearshift control system, it is characterised in that：
The gear shifting action transfer device is fluid pressure type gear shifting action transfer device, by the first oil pipe (7), hydraulic pressure separating bearing
(14), hydraulic main cylinder (2), oil can (3) and the 3rd oil circuit (25) composition；
The piston rod of the hydraulic main cylinder (2) is connected with gear-shifting rocker arm (26), and hydraulic main cylinder (2) is connected with oil can (3), Hydraulic Main
External 3rd oil pipe (25) of oil-out of cylinder (2)；One end of first oil pipe (7) is connected with the 3rd oil pipe (25) by pipeline
Part connects, and the other end of the first oil pipe (7) is connected with hydraulic pressure separating bearing (14), the hydraulic pressure separating bearing (14) and electronic vapour
Diaphragm spring (13) connection of car clutch, hydraulic pressure separating bearing (14) presses diaphragm spring (13), and then controls clutch pressure
The combination or separation of disk (11) and friction plate (12).
3. as claimed in claim 2 a kind of electric automobile gearshift control system, it is characterised in that：
The electric automobile gearshift control system also include anti-error extension reverse gear apparatus, by the second oil circuit (24), hydraulic shunt pump (22),
Hydraulic main cylinder (2), oil can (3) and the 3rd oil circuit (25) composition；
The piston rod of the hydraulic main cylinder (2) is connected with gear-shifting rocker arm (26), and hydraulic main cylinder (2) is connected with oil can (3), Hydraulic Main
External 3rd oil pipe (25) of oil-out of cylinder (2), one end and the 3rd oil pipe (25) of second oil pipe (24) are connected by pipeline
Fitting connects, and the other end of the second oil pipe (24) is connected with hydraulic shunt pump (22), and hydraulic shunt pump (22) is propped up and electric automobile
The button spring of reversing gear (21) of the button (20) that reverses gear connection.
4. as claimed in claim 1 a kind of electric automobile gearshift control system, it is characterised in that：
The gear shifting action transfer device is drag-line gear shifting action transfer device, and by manipulating pulling cable (31), fork type axle is separated
Hold (32), separate rocking arm (33) and disengaging yoke (34) composition；
Manipulating pulling cable (31) the shell two ends are separately fixed on car body and gear box casing, the interior steel wire two of manipulating pulling cable (31)
End respectively with change pedal (23) and separates rocking arm (33) and is hinged, separate rocking arm (33) other end with disengaging yoke (34) transmission company
Connect, the struck side of disengaging yoke (34) is acted against on the end face of fork type release bearing (32), fork type release bearing (32) with
Diaphragm spring (13) connection of clutch of electric automobile, steps on change pedal (23), drives separation to shake by manipulating pulling cable (31)
Arm (33) swings, and then disengaging yoke (34) is rotated and is oppressed fork type release bearing (32) axially movable, fork type point
(32) being held off axis and pressing diaphragm spring (13), control clutch compressing disc (11) is separated or combined with friction plate (12).
5. as claimed in claim 4 a kind of electric automobile gearshift control system, it is characterised in that：
The electric automobile gearshift control system also includes anti-error extension reverse gear apparatus, by the anti-down position switch on car body
(35) control circuit of reversing gear for and with it controlling to be connected is constituted；The installation site of anti-down position switch (35) and change pedal (23)
It is corresponding so that change pedal (23) in one or two gears put when correspond to the open and-shut mode that touches anti-down position switch (35) respectively.
6. a kind of control method of electric automobile gearshift control system, it is characterised in that：
Electric automobile keeps off when dropping to a gear from two：
Driver steps on change pedal (23), and gear-shifting rocker arm (26) overcomes return helical spring (27) to rotate, gear-shifting rocker arm (26)
Guide post (28) motion is promoted, guide post (28) promotes roller (29) motion in guide rail (30), when roller (29) motion
To the first summit D of guide rail (30)(1)When, change pedal (23) can not continue to be operated, and now driver unclamps gearshift and steps on
Plate (23), change pedal (23) resilience in the presence of return helical spring (27) drives roller (29) to continue along guide rail
(30) move, until it reaches gear limit point X(1), now change pedal (23) put in a gear in the case where acting on without external force and not
Meeting resilience, now, gear shifting action transfer device will apply pressure to the diaphragm spring (13) of clutch, in diaphragm spring (13)
Pressure effect under, clutch compressing disc (11) is separated with friction plate (12), gearbox (9) be one keep off, driver press forward gear by
Button (16), pedal of stepping on the throttle (5), motor (8) produces power by gearbox (9) with a gear form output；
Electric automobile keeps off when dropping to two gears from one：
Driver steps on again change pedal (23), and gear-shifting rocker arm (26) promotes guide post (28) motion, guide post (28) to promote
Roller (29) continues orbital motion in guide rail (30), until roller (29) moves to the summit of guide rail (30) second
D(2)When, change pedal (23) can not continue to step on, and now driver unclamps change pedal (23), in return helical spring (27)
In the presence of change pedal (23) resilience, drive roller (29) continue along guide rail (30) motion, until it reaches two gear it is spacing
Point X(2), now change pedal (23) put in two gears in the case where acting on without external force and will not resilience, now, gear shifting action transmission
Device will release the pressure of the diaphragm spring (13) to clutch, the clutch compressing disc under the returning place force effect of diaphragm spring (13)
(11) compress with friction plate (12), gearbox (9) is two gears, driver presses forward gear button (16), pedal of stepping on the throttle
(5), motor (8) produces power by gearbox (9) with two gear form outputs；
Electric automobile reverses gear when exercising：
Ensure change pedal (23) in releasing orientation, now, gear shifting action transfer device will release the diaphragm bullet to clutch
The pressure of spring (13), clutch compressing disc (11) is compressed with friction plate (12) under the returning place force effect of diaphragm spring (13), speed change
Case (9) is two gears, and driver presses the button that reverses gear (20), and pedal of stepping on the throttle (5), motor (8) reversion, motor (8) is produced
Lively power is by gearbox (9) with two gear form outputs, vehicle reverse.
7. as claimed in claim 6 a kind of control method of electric automobile gearshift control system, it is characterised in that：
The control method also includes preventing from hanging by mistake the method reversed gear, and detailed process is as follows：
Step one：When driver sends instruction of reversing gear；
Step 2：Judge hang the gear for reversing gear when whether front gear box is in, in this way, performing action motor reversion of reversing gear is carried out
Reverse gear traveling, it is such as no, do not perform action of reversing gear；
Step 3：Change gearbox gear, and return to step one.
8. as claimed in claim 7 a kind of control method of electric automobile gearshift control system, it is characterised in that：
The gear for reversing gear of hanging is two gears, and it is a gear not allow to hang the gear for reversing gear.
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| CN201610910603.4A CN106627126A (en) | 2016-10-19 | 2016-10-19 | Electric vehicle gear shift control system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610910603.4A CN106627126A (en) | 2016-10-19 | 2016-10-19 | Electric vehicle gear shift control system and control method thereof |
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| CN109322991A (en) * | 2017-08-01 | 2019-02-12 | 宝沃汽车（中国）有限公司 | Clutch controller, system and method and vehicle |
| CN110361190A (en) * | 2019-06-18 | 2019-10-22 | 吉林大学青岛汽车研究院 | A kind of multiplate clutch executing agency and its hardware-in-the-loop test platform |
| CN112283332A (en) * | 2020-10-21 | 2021-01-29 | 天津市航昊机电设备有限公司 | Vehicle crane gearbox control device |
| CN112283333A (en) * | 2020-10-21 | 2021-01-29 | 天津市航昊机电设备有限公司 | Control method of vehicle crane gearbox control device |
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| CN112283333A (en) * | 2020-10-21 | 2021-01-29 | 天津市航昊机电设备有限公司 | Control method of vehicle crane gearbox control device |
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Effective date of registration: 20190805 Address after: 266600 No. 52 Yangzhou Road, Laixi Economic Development Zone, Qingdao City, Shandong Province Applicant after: Qingdao Laiji Transmission System Technology Co., Ltd. Address before: 130000 Jilin province Changchun high tech District No. 3333 North Street North Sheng science and technology park a B3 2 storey building No. 74 Applicant before: Jilin Bocheng Transmission System Technology Co., Ltd. |