CN110282059A - A kind of safety control device of electric vehicle and its implementation - Google Patents
A kind of safety control device of electric vehicle and its implementation Download PDFInfo
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- CN110282059A CN110282059A CN201811633152.XA CN201811633152A CN110282059A CN 110282059 A CN110282059 A CN 110282059A CN 201811633152 A CN201811633152 A CN 201811633152A CN 110282059 A CN110282059 A CN 110282059A
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- 238000001514 detection method Methods 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 8
- 238000004088 simulation Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J27/00—Safety equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K23/00—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips
- B62K23/02—Rider-operated controls specially adapted for cycles, i.e. means for initiating control operations, e.g. levers, grips hand actuated
- B62K23/04—Twist grips
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of safety control device of electric vehicle and its implementation, device is, input is connected with tilt detection circuit unit, the output of switch module unit one, speed detection unit output, export the processor unit being connected with brake signal output unit control terminal, switch module unit enable end, the speed control crank signal input part of another output access controller of switch module unit, switch module unit input terminal is connected with speed control crank output signal end, and the output of brake signal output unit exports with brake lever switching signal and connects access controller；There is the program module toppled over memory unit and wait power-off after toppling in processor unit.Method is that electric vehicle is toppled over, and the output of control speed control crank is disconnected with controller, and exports simulation brake signal, is zero to revolving speed, cancels the brake signal of simulation；The electric vehicle toppled over must be re-energised, and when righting, handle loosen and speed is zero, speed control crank output connect connection with controller, be allowed using speed control crank.
Description
Technical field
The present invention relates to electric vehicle security fields, specifically relate to that electric door lock is in the open state, electric vehicle is lateral
A kind of safety control and its implementation, the electric vehicle refer to electric bicycle and electric motorcycle when tilting or toppling over
Vehicle.
Background technique
Now with being widely used for electric vehicle, ride in due to the lateral tilt of electric vehicle accident or toppling over after, ride people
The acceleration handle for unclamping control electric vehicle in time, or even the handle that subconscious can also hold with a firm grip are tended not to, electric vehicle is being tilted
Secondary wound is easily caused so as to cause the people that rides to the out of control of electric vehicle with driving even acceleration mode is still maintained when toppling over
Evil.In addition, people can usually forget to close electric door lock and directly prop up electric vehicle after middle electric vehicle of riding is toppled over, it is straight at this
It connects during propping up electric vehicle, props up the people's meeting of being easier maloperation and turn handle speed-raising, so that electric vehicle is out of control and causes two
Secondary accident.
The generation of above-mentioned secondary injury and/or second accident in order to prevent, existing electric vehicle some, which is additionally arranged, topples over power-off
Switch realizes that electric vehicle is left and right and is tilted up to power-off when greater than predetermined angle, i.e., electric vehicle is left and right is tilted up to greater than default
Controller for electric vehicle loses the effect for pushing electric vehicle motor operating after angle, but after roll-over power interruption switch power-off, not self-locking
Function, as long as righting electric vehicle when electric door lock is in the open state, controller makes an immediate response handle pushing motor, because described help
It is not just real level, if maloperation turns handle speed-raising during righting, it is easy to cause the generation of second accident.As specially
The electric vehicle lateral tilt of sharp application number 201410585505.9 or the automatic dead circuit device of the then governor that inclines, there is
Acceleration handle is rotated because of maloperation during righting electric vehicle when electric door lock is in the open state, is easy to send out because electric vehicle starts
Raw second accident.Righting electric vehicle when in order to overcome electric door lock in the open state, controller make an immediate response handle pushing motor
Deposit raw defect, the technology that those skilled in the art use has: 1, using roll-over power interruption switch power-off and self-locking, to realize electricity
Righting electric vehicle when door lock is in the open state, controller are also not responding to handle, and roll-over power interruption switch powers off self-locking to electric switch
Lock, which is closed, just to be released, and from realizing when electric door lock closing is again turned on, controller responds handle pushing motor, such as patent application
A kind of safety control device of electric vehicle of number 201510934992.X is namely based on roll-over power interruption switch power-off and self-locking principle
It realizes；2, it is delayed and connects after being powered off using roll-over power interruption switch, thus when realizing that electric door lock is in the open state, in setting
Righting electric vehicle in delay time, controller are not responding to handle, arrive to delay time or close in delay time to electric door lock
When being again turned on, controller responds handle pushing motor, as the electric vehicle of number of patent application 201710648195.4 tilts or inclines
To break prompt device and electric vehicle be namely based on roll-over power interruption switch power-off after be delayed connection principle realize, the invention
The delay process that delay is connected after electric door lock lower roll-over power interruption switch power-off in the open state can be by the event of its setting
Hinder emergency button to release.For energy conservation, the required power supply acquisition of invention device described above should be also after sharp electric door lock
It is obtained again from storage battery.
It is known that: electric bicycle national regulations have a power down function when braking, that is, brake handle switch is to electric vehicle when braking
Controller exports brake signal (triggering power-off signal), and controller for electric vehicle receives brake signal (triggering power-off signal), will
The tach signal of speed control crank input and ground bypass (controller does not ring speed control crank output signal), disconnect motor power supply (power
Pipe cut-off).The motor of rotation is set quickly to stop when in order to brake, many electric vehicles enhance braking ability, i.e. controller adds
Entered EABS (electronics brake), electron assistant braking is carried out while mechanical brake, i.e., during electric vehicle brake power-off, control
Device controls output stage bridge arm and is shorted machine winding, and when making electric motor vehicle sliding, thus winding generates electromagnetism resistance torque, reaches quick
The purpose of braking motor.Well-known: during electric vehicle righting, electric vehicle can micro-shifting forward or backward.Therefore number of patent application
201510934992.X a kind of safety control device of electric vehicle and number of patent application 201710648195.4 electric vehicle inclination
Or in the break prompt device and electric vehicle to incline, the righting when electric door lock is in the open state of involved electric vehicle has EABS
The electric vehicle righting that (electronics brake) auxiliary brake function ratio does not have EABS (electronics brake) auxiliary brake function is difficult.If patent Shen
Please number 201510934992.X a kind of safety control device of electric vehicle, during electric vehicle righting, if inclination angle is slightly less than
Electric switch lock-switch of off/on when tilting the threshold values of setting, it may occur that cause secondary injury, number of patent application
The break prompt device and electric vehicle that 201710648195.4 electric vehicle tilts or inclines, although overcoming this with delay
Defect, not in real time, it is of course possible to delay be released by the failure emergency button of its setting, if inclination angle is slightly less than inclination setting
Failure emergency button is operated when threshold values, it is equally possible to secondary injury can occur.
Summary of the invention
The technical issues of purpose of the present invention and solution is to deposit raw defect for the above prior art, is proposed a kind of electronic
Vehicle safety control and its implementation are realized: electric vehicle is not toppled over before opening electric door lock, opens electric door lock, normally travel；
Electric vehicle was toppled over before opening electric door lock, electric door lock to be reopened, and reached electric vehicle righting, handle unclamps and speed is zero
The speed control crank of ability on-off after condition is exported to be connected between controller for electric vehicle, is allowed to adjust the speed using speed control crank and be gone
It sails；The brake lever switch output when electric vehicle is toppled over, and is cut off the access between handle output and controller, while being simulated brake lever brake
Brake signal, the brake signal of simulation is cancelled when speed is zero, facilitates righting.
In order to achieve the above purpose, the technical scheme is that
The power supply of a kind of safety control device of electric vehicle, safety control obtains after electric switch lock-switch from the storage battery of electric vehicle
It takes, safety control includes: tilt detection circuit unit, processor unit, brake signal output unit, switch module list
Member, the processor unit input respectively with the switch one of the output of tilt detection circuit unit, switch module unit output,
The output of the speed detection unit of electric vehicle is connected, the output control with brake signal output unit respectively of processor unit
End, switch module unit enable end be connected, the processor unit is embedded with after electric vehicle is toppled over waiting electric switch lock-switch
The program module of disconnection, and equipped with the eeprom memory for toppling over memory unit, the switch of the switch module unit is another
The speed control crank signal input part of output access controller for electric vehicle, the switch input terminal and electric vehicle of switch module unit control
The speed control crank output signal end of device is connected, the output of brake signal output unit and the output of brake lever switching signal and after connecing
Access the brake signal input terminal of controller for electric vehicle.
Above-described brake signal output unit is exported with high resistant, when brake signal output unit recognizes processor
Unit output is brake control signal, and brake signal output unit exports brake signal, and controller for electric vehicle carries out brake control,
When brake signal output unit it is unidentified to processor unit output be brake control signal, brake signal output unit output is
High resistant.
Above-described switch module unit connects signal, control when enable end receives processor unit output for speed regulation
The switch concatenated between speed control crank output signal end processed and processor unit input disconnects, speed control crank output signal end and electricity
The switch connection concatenated between the speed control crank signal input part of motor-car controller；When not receive processor unit defeated for enable end
Signal is connected in speed regulation out, is controlled between speed control crank output signal end and the speed control crank signal input part of controller for electric vehicle
The switch of concatenation disconnects, the switch connection concatenated between speed control crank output signal end and processor unit input.
Above-described brake signal output unit is additionally provided with the preset switch of high-low position brake signal, when preset switch is set
When for high level brake signal, it is brake control signal, brake signal that brake signal output unit, which recognizes processor unit output,
The brake signal of output unit output is high level brake signal, and when preset switch is set as low level brake signal, brake signal is defeated
It is brake control signal that unit, which recognizes processor unit output, out, and the brake signal of brake signal output unit output is low level
Brake signal.
In order to achieve the above purpose, of the invention another solution is that
A kind of implementation method of safety control device of electric vehicle, comprising the following steps:
S1, it sets when tilting 30 degree to topple over threshold values, topples over when tilting 10 degree during rear righting for righting threshold values,
It is " 0 " that juxtaposition, which topples over memory unit initial value, until memory unit is toppled over when toppling over is set to " 1 "；
S2, energization is closed the switch to electric door lock:
(1) processor unit exports the control terminal of non-brake control signal to brake signal output unit, brake signal output unit
Output is in high-impedance state,
(2) processor unit reading is toppled over memory unit and is differentiated:
1. processor unit output speed regulation connects signal to the enable end of switch module unit, control if toppling over memory unit is " 0 "
The switch connection concatenated between speed control crank output signal end processed and the speed control crank signal input part of controller for electric vehicle, speed regulation
The switch concatenated between handle output signal end and processor unit input disconnects, and enters step S3,
2. processor unit output speed regulation cut-off signal to the enable end of switch module unit is adjusted if toppling over memory unit is " 1 "
The switch concatenated between fast handle output signal end and the speed control crank signal input part of controller for electric vehicle disconnects, speed control crank
The switch connection concatenated between output signal end and processor unit input, enters step S4；
The electric vehicle that S3, processor unit input tilt detection circuit unit tilt signal carry out electric vehicle topple over detection
Identification, it is to be detected recognize electric vehicle and tilt topple over threshold values more than or equal to preset, assert that electric vehicle topples over and stops inclining
Detect:
(1) processor unit exports the control terminal of brake control signal to brake signal output unit, and brake signal output unit is defeated
Brake signal out, controller for electric vehicle carries out brake control, after processor unit exports brake control signal:
Processor unit by the speed detection unit of electric vehicle it is to be detected to recognize electric vehicle speed be zero when, export non-brake
The control terminal for controlling signal to brake signal output unit cancels the brake signal of brake signal output unit output, brake letter
The output of number output unit is in high-impedance state,
(2) processor unit output adjusts the speed cut-off signal to the enable end of switch module unit, speed control crank output signal end and electricity
The switch concatenated between the speed control crank signal input part of motor-car controller disconnects, speed control crank output signal end and processor list
The switch connection concatenated between member input,
(3) set topple over memory unit be " 1 ",
(4) wait electric switch lock-switch to disconnect, that is, wait power-off, disconnected to electric switch lock-switch, return step S2；
S4, processor unit are tilted the electric vehicle that signal toppled over by the electric vehicle that tilt detection circuit unit inputs
Righting detection identification carries out handle by the speed control crank output signal of electric vehicle and loosens detection identification, passes through the speed of electric vehicle
It is zero detection identification that degree detection unit output signal, which carries out electric vehicle speed:
The electric vehicle to be detected that recognizes tilts less than or equal to preset righting threshold values, detects to recognize speed control crank and export and believe
Output valve when number size is loosened for handle, and it is that speed is that detection, which recognizes the speed detection unit output signal of electric vehicle,
Signal when zero assert that detection recognizes that the electric vehicle toppled over is in righting, handle loosens and the state of stagnation of movement: processor unit
Output speed regulation connects signal to the enable end of switch module unit, the speed regulation of speed control crank output signal end and controller for electric vehicle
The switch connection concatenated between handle signal input part concatenates between speed control crank output signal end and processor unit input
Switch disconnects, and restores to topple over memory unit to be initial value " 0 ", enters step S3.
Process described above device unit exports the control terminal of non-brake control signal to brake signal output unit, brake
Signal output unit output is in high-impedance state, is in order to which the brake signal output for making output be attempted by the output of brake lever switching signal is single
Member, during processor unit exports non-brake control signal, brake signal output unit does not influence the defeated of brake lever switching signal
Out, i.e., after processor unit removes brake control signal, brake signal output unit does not influence the output of brake lever switching signal.
The utility model has the advantages that
A kind of safety control device of electric vehicle of the invention and its implementation, in speed control crank output and controller for electric vehicle
In an ON state, electric vehicle is to the left or right bank is fallen down for access, the access of cutting speed control crank output and controller for electric vehicle
And the brake signal that brake lever switch exports when simulating brake lever brake, controller for electric vehicle control " power-off ", are to electric vehicle speed
The brake signal of simulation is cancelled when zero, to conveniently there is the electric vehicle righting of EABS (electronics brake) function；In the electric vehicle fallen down
Righting process, electric vehicle assert righting when tilting less than or equal to 10 degree, thus closer than real righting；That falls down is electronic
Vehicle, electric door lock to be reopened reaches electric vehicle righting, handle unclamps and speed is the speed regulation of ability on-off after zero condition
It is connected between handle output and controller for electric vehicle, allows to adjust the speed traveling using speed control crank, further reduce second accident；
Electric vehicle is not toppled over before opening electric door lock, opens electric door lock, and normally travel is convenient.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of safety control device of electric vehicle of the invention；
In figure: 100. processor units, 200. tilt detection circuit units, 300. brake signal output units, 400. switching moldings
Module unit.
Specific embodiment
As shown in Figure 1, a kind of safety control device of electric vehicle, the power supply of the safety control device of electric vehicle is from electronic
The storage battery of vehicle obtains after electric switch lock-switch, the power input and electric vehicle of the preferred safety control device of electric vehicle of the present invention
Working power is connected in controller, obtains the working power of 5V or/and 12V in controller for electric vehicle；The electric vehicle safety
Control device includes: tilt detection circuit unit 200, processor unit 100, brake signal output unit 300, switch module list
Member 400, the processor unit 100 input respectively with the output of tilt detection circuit unit 200, switch module unit 400
Switch one export (1 end), the output of speed detection unit of electric vehicle is connected, the output of processor unit 100 respectively with
The control terminal of brake signal output unit 300, the enable end EN of switch module unit 400 are connected, the processor unit 100
It is embedded with the program module for waiting electric switch lock-switch to disconnect after electric vehicle is toppled over, and is deposited equipped with the EEPROM for toppling over memory unit
Reservoir, the speed control crank signal input of another output (2 end) access controller for electric vehicle of the switch of the switch module unit 400
The switch input (3 end) at end, switch module unit 400 is connected with the speed control crank output signal end of controller for electric vehicle, stops
The output of vehicle signal output unit 300 and the brake switch of brake lever access controller for electric vehicle brake signal after exporting and connecing is defeated
Enter end.
The speed detection unit of the electric vehicle is to detect the detection unit of electric vehicle travel speed.
The processor unit 100 is to carry out information processing control unit, be acquired processing to corresponding input signal,
And should be controlled according to processing result by output phase, processor unit 100 includes: that central processing unit and input circuit are adapted
Input interface, with output control circuit be adapted output interface, eeprom memory, tilt signals detect recognizer mould
Block, velocity measuring recognizer module, handle signal detection recognizer module and according to corresponding testing result control brake
Signal output unit 300 exports the program module of brake signal and high resistant and exports to 400 enable end EN's of switch module unit
Speed regulation connects signal and adjusts the speed the program module of cut-off signal, is equipped in eeprom memory and topples over memory unit juxtaposition initial value
For " 0 ".The program module for waiting electric switch lock-switch to disconnect after also toppling over embedded with electric vehicle in processor unit 100, i.e., for electricity
After motor-car is toppled over, waiting removes working power.Wait electric switch lock-switch disconnect program module can for power supply whether cut off into
Row detection identification, power supply do not cut off, wait, dump, terminate to wait；The program module for waiting electric switch lock-switch to disconnect can also
Wait until that safety control device of electric vehicle power loss terminates for self-loopa.It, can using detection identification is carried out to whether power supply cuts off
It is identified using the method for power-fail interrupt.Also memory unit read-write program module is toppled in insertion in processor unit 100 and reading is inclined
Memory unit differentiate the program module of control.When powering on: processor unit 100 exports non-brake control signal first
To the control terminal of brake signal output unit 300, make the output of brake signal output unit 300 in high-impedance state, and reads and topple over
Memory unit is differentiated: if 1. toppling over memory unit is " 0 ", illustrating that electric door lock closes the switch the preceding electric vehicle of energization and do not incline
, the enable end EN of signal to switch module unit 400 is connected in output speed regulation, controls speed control crank output signal end and electric vehicle
The switch connection concatenated between the speed control crank signal input part of controller, speed control crank output signal end and processor unit are defeated
The switch concatenated between entering disconnects；2. illustrating that electric door lock closes the switch the preceding electric vehicle of energization and inclines if toppling over memory unit is " 1 "
, to the enable end EN of switch module unit 400, speed control crank output signal end and electric vehicle control output speed regulation cut-off signal
The switch concatenated between the speed control crank signal input part of device disconnects, and speed control crank output signal end and processor unit input it
Between the switch connection that concatenates.
Topple over memory unit to be arranged in eeprom memory, it is ensured that close electric vehicle electric switch lock-switch, that is, ensure to cancel
When power supply, the value for toppling over memory unit does not stop mistake.
The tilt detection circuit unit 200 is the list that specific detection electric vehicle body is tilted to the left with right bank signal
Member, the result sending processor unit 100 that tilt detection circuit unit 200 will test carry out identifying processing control.
The brake signal output unit 300 is used for the brake signal of physical simulation brake lever brake switch output,
I.e. Analog Gate brake switch the brake signal that exports in brake, that is to say, that: brake signal output unit 300 is for specific
Generate the control signal of corresponding controller for electric vehicle triggering power-off.Controller for electric vehicle receives brake signal, immediately
Stop the power supply to motor, i.e., motor is powered off.The control terminal of brake signal output unit 300 receives processor unit 100
The brake control signal of output, brake signal output unit 300 export brake signal, and triggering controller for electric vehicle is stopped
Vehicle control, stops the power supply to motor；When not receive processor unit 100 defeated for the control terminal of brake signal output unit 300
Brake control signal out, the output of brake signal output unit 300 is in high-impedance state, to make output and brake lever brake switch
The brake signal output unit 300 for exporting and connecing, after processor unit 100 cancels brake control signal, brake signal output
Unit 300 does not influence the output signal of brake lever brake switch.When controller for electric vehicle requires the brake signal of triggering power-off
When for high level, the output of brake signal output unit 300 and the brake switch of brake lever are exported and are connect, and are line or connection；Work as electricity
When motor-car controller requires the brake signal of triggering power-off to be low level, the output of brake signal output unit 300 and lock
Brake switch export and connect, for line with connect.End is powered off when corresponding controller for electric vehicle has extra brake to trigger, it can
It is preferred that the output of brake signal output unit 300 is independently accessed the extra brake triggering power-off end of controller for electric vehicle.
The switch module unit 400 is for specifically controlling between speed control crank output signal and controller for electric vehicle
It switches on and off, and switching on and off between control speed control crank output signal and processor unit 100.Work as switch module
When the enable end EN of unit 400 receives the output of processor unit 100 to adjust the speed connection signal, speed control crank output signal is controlled
The switch (3 ends and 1 end) concatenated between the input of processor unit 100 is held to disconnect, speed control crank output signal end and electric vehicle
The switch (3 ends with 2 ends) concatenated between the speed control crank signal input part of controller is connected；When making for switch module unit 400
Signal is connected in the speed regulation that energy end EN does not receive the output of processor unit 100, i.e. the enable end EN of switch module unit 400 is received
To processor unit 100 export speed regulation cut-off signal when, control speed control crank output signal end and controller for electric vehicle tune
The switch (3 ends and 2 ends) concatenated between fast handle signal input part disconnects, speed control crank output signal end and processor unit
The switch (3 ends with 1 end) concatenated between 100 inputs is connected.In speed control crank output signal end and 100 input of processor unit
Between during the switch (3 ends with 1 end) that concatenates connects, processor unit 100 acquires speed control crank output voltage size, for differentiating
Whether speed control crank is in relaxation state.
It is equipped with high-low position brake signal setting in the brake signal output unit 300 to switch, when preset switch
When being set as high level brake brake signal, it is that control for brake is believed that brake signal output unit 300, which recognizes the output of processor unit 100,
Number, the brake signal that brake signal output unit 300 exports is high potential signal；When preset switch is set as low level brake system
When dynamic signal, it is brake control signal that brake signal output unit 300, which recognizes the output of processor unit 100, and brake signal is defeated
The brake signal that unit 300 exports out is low-potential signal；The effect of the preset switch makes brake signal output unit
The brake signal and controller for electric vehicle of 300 outputs require the brake signal of triggering power-off to be adapted.
Present invention setting: when electric vehicle body is tilted more than to the left or to the right equal to 30 degree, assert that electric vehicle is toppled over；Topple over
Electric vehicle afterwards, when electric vehicle body tilts to the left or to the right is less than or equal to 10 degree, assert the electricity toppled over during righting
Motor-car righting.
A kind of one embodiment of the implementation method of safety control device of electric vehicle of the invention, comprising the following steps:
S1, it sets when tilting 30 degree to topple over threshold values, topples over when tilting 10 degree during rear righting for righting threshold values,
It is " 0 " that juxtaposition, which topples over memory unit initial value, until memory unit is toppled over when toppling over is set to " 1 "；
S2, energization is closed the switch to electric door lock:
(1) processor unit 100 exports the control terminal of non-brake control signal to brake signal output unit 300, and brake signal is defeated
The output of unit 300 is in high-impedance state out,
(2) the reading of processor unit 100 is toppled over memory unit and is differentiated:
1. illustrating that electric door lock closes the switch the preceding electric vehicle of energization and do not topple over, then processor unit if toppling over memory unit is " 0 "
The enable end EN of signal to switch module unit 400 is connected in 100 output speed regulation, controls speed control crank output signal end and electric vehicle
The switch connection concatenated between the speed control crank signal input part of controller, speed control crank output signal end and processor unit
The switch concatenated between 100 inputs disconnects, and enters step S3,
2. illustrating that electric door lock closes the switch the preceding electric vehicle of energization and topples over, then processor unit 100 if toppling over memory unit is " 1 "
Output adjusts the speed the enable end EN of cut-off signal to switch module unit 400, speed control crank output signal end and controller for electric vehicle
Speed control crank signal input part between the switch that concatenates disconnect, speed control crank output signal end and processor unit 100 input
Between the switch connection that concatenates, enter step S4；
The electric vehicle that S3, processor unit 100 input tilt detection circuit unit 200 tilt signal carry out electric vehicle incline
Detection identification, processor unit 100 is to be detected to be recognized electric vehicle and tilts and topple over threshold values more than or equal to preset, is assert
Electric vehicle topples over and stops toppling over detection:
(1) processor unit 100 exports the control terminal of brake control signal to brake signal output unit 300, brake signal output
Unit 300 exports brake signal, and controller for electric vehicle carries out brake control, after processor unit 100 exports brake control signal:
Processor unit 100 by the speed detection unit of electric vehicle it is to be detected to recognize electric vehicle speed be zero when, processor
Unit 100 exports the control terminal of non-brake control signal to brake signal output unit 300, that is, cancels brake signal output unit
The brake signal of 300 outputs, the output of brake signal output unit 300 are in high-impedance state,
(2) it is defeated to control speed control crank to the enable end EN of switch module unit 400 for the output of processor unit 100 speed regulation cut-off signal
The switch concatenated between signal end and the speed control crank signal input part of controller for electric vehicle out disconnects, speed control crank output signal
The switch connection concatenated between the input of processor unit 100 is held,
(3) it will topple over memory unit and be set to " 1 ",
(4) wait electric switch lock-switch to disconnect, that is, wait power-off, disconnected to electric switch lock-switch, return step S2；
S4, processor unit 100 tilt what signal was toppled over by the electric vehicle that tilt detection circuit unit 200 inputs
Electric vehicle righting detection identification carries out handle in detection identification is loosened by the speed control crank output signal of electric vehicle, passes through
It is zero detection identification that the speed detection unit output signal of electric vehicle, which carries out electric vehicle speed:
It is to be detected recognize electric vehicle tilt angle less than or equal to preset righting threshold values, to recognize speed control crank defeated for detection
Output valve when signal magnitude is loosened out for handle, and it is speed that detection, which recognizes the speed detection unit output signal of electric vehicle,
Signal when degree is zero assert that detection recognizes that the electric vehicle toppled over is in righting, handle loosens and the state of stagnation of movement: processor
The enable end EN of signal to switch module unit 400 is connected in the output speed regulation of unit 100, and the control speed regulation of switch module unit 400 turns
The switch connection concatenated between output signal end and the speed control crank signal input part of controller for electric vehicle, speed control crank output
The switch concatenated between signal end and the input of processor unit 100 disconnects, and 100 juxtaposition of processor unit topples over memory unit and is
" 0 ", enters step S3.
Process described above device unit 100 exports the control of non-brake control signal to brake signal output unit 300
End, the output of brake signal output unit 300 are in high-impedance state, are the brakes in order to make output be attempted by the output of brake lever switching signal
Signal output unit 300, during processor unit 100 exports non-brake control signal, the not shadow of brake signal output unit 300
The output for ringing brake lever switching signal, i.e., after processor unit 100 removes brake control signal, brake signal output unit 300
The output of brake lever switching signal is not influenced.
Above-described to close the switch energization to electric door lock, refer to: electric door lock to be broken closes the switch energization, also
Be: electric door lock to be in close state is opened, and electric door lock closes the switch energization, and safety control device of electric vehicle is from off-position
Become being powered.
Above-described waiting electric switch lock-switch disconnects, and refers to: waiting the electric switch lock-switch for connecting (closure) to disconnect, also
It is: the power supply of connection is waited to disconnect.
Heretofore described electric vehicle is toppled over, and is each meant in energized state, speed control crank output signal end and electric vehicle
Occur in the case of the switch connection concatenated between the speed control crank signal input part of controller.
A kind of another embodiment of the implementation method of safety control device of electric vehicle of the invention, comprising the following steps:
S1, it sets when tilting 30 degree to topple over threshold values, topples over when tilting 10 degree during rear righting for righting threshold values,
It is " 0 " that juxtaposition, which topples over memory unit initial value, until memory unit is toppled over when toppling over is set to " 1 "；
S2, energization is closed the switch to electric door lock:
(1) processor unit 100 exports the control terminal of non-brake control signal to brake signal output unit 300, and brake signal is defeated
The output of unit 300 is in high-impedance state out,
(2) the reading of processor unit 100 is toppled over memory unit and is differentiated:
1. illustrating that electric door lock closes the switch the preceding electric vehicle of energization and do not topple over, then processor unit if toppling over memory unit is " 0 "
The enable end EN of signal to switch module unit 400 is connected in 100 output speed regulation, controls speed control crank output signal end and electric vehicle
The switch connection concatenated between the speed control crank signal input part of controller, speed control crank output signal end and processor unit
The switch concatenated between 100 inputs disconnects, and enters step S3,
2. illustrating that electric door lock closes the switch the preceding electric vehicle of energization and topples over, then processor unit 100 if toppling over memory unit is " 1 "
Output adjusts the speed the enable end EN of cut-off signal to switch module unit 400, speed control crank output signal end and controller for electric vehicle
Speed control crank signal input part between the switch that concatenates disconnect, speed control crank output signal end and processor unit 100 input
Between the switch connection that concatenates, enter step S4；
The electric vehicle that S3, processor unit 100 input tilt detection circuit unit 200 tilt signal carry out electric vehicle incline
Detection identification, processor unit 100 is to be detected to be recognized electric vehicle and tilts and topple over threshold values more than or equal to preset, is assert
Electric vehicle topples over and stops toppling over detection:
(1) processor unit 100 exports the control terminal of brake control signal to brake signal output unit 300, brake signal output
Unit 300 exports brake signal, and controller for electric vehicle carries out brake control, after processor unit 100 exports brake control signal:
Processor unit 100 by the speed detection unit of electric vehicle it is to be detected to recognize electric vehicle speed be zero when, processor unit
The 100 non-brake control signals of output cancel brake signal output unit 300 to the control terminal of brake signal output unit 300
The brake signal of output, the output of brake signal output unit 300 are in high-impedance state,
(2) it is defeated to control speed control crank to the enable end EN of switch module unit 400 for the output of processor unit 100 speed regulation cut-off signal
The switch concatenated between signal end and the speed control crank signal input part of controller for electric vehicle out disconnects, speed control crank output signal
The switch connection concatenated between the input of processor unit 100 is held,
(3) it will topple over memory unit and be set to " 1 ", and enter step S4；
S4, processor unit 100 tilt what signal was toppled over by the electric vehicle that tilt detection circuit unit 200 inputs
Electric vehicle righting detection identification carries out handle in detection identification is loosened by the speed control crank output signal of electric vehicle, passes through
It is zero detection identification that the speed detection unit output signal of electric vehicle, which carries out electric vehicle speed:
It is to be detected recognize electric vehicle tilt angle less than or equal to preset righting threshold values, to recognize speed control crank defeated for detection
Output valve when signal magnitude is loosened out for handle, and it is speed that detection, which recognizes the speed detection unit output signal of electric vehicle,
Signal when degree is zero assert that detection recognizes that the electric vehicle toppled over is in righting, handle loosens and the state of stagnation of movement: processor
The enable end EN of signal to switch module unit 400 is connected in the output speed regulation of unit 100, and the control speed regulation of switch module unit 400 turns
The switch connection concatenated between output signal end and the speed control crank signal input part of controller for electric vehicle, speed control crank output
The switch concatenated between signal end and the input of processor unit 100 disconnects, and 100 juxtaposition of processor unit topples over memory unit and is
" 0 ", enters step S3.
Process described above device unit 100 exports the control of non-brake control signal to brake signal output unit 300
End, the output of brake signal output unit 300 are in high-impedance state, are the brakes in order to make output be attempted by the output of brake lever switching signal
Signal output unit 300, during processor unit 100 exports non-brake control signal, the not shadow of brake signal output unit 300
The output for ringing brake lever switching signal, i.e., after processor unit 100 removes brake control signal, brake signal output unit 300
The output of brake lever switching signal is not influenced.
Above-described to close the switch energization to electric door lock, refer to: electric door lock to be broken closes the switch energization, also
Be: electric door lock to be in close state is opened, and electric door lock closes the switch energization, and safety control device of electric vehicle is from off-position
Become being powered.
Heretofore described electric vehicle is toppled over, and is each meant in energized state, speed control crank output signal end and electric vehicle
Occur in the case of the switch connection concatenated between the speed control crank signal input part of controller.
A kind of another embodiment of the implementation method of safety control device of electric vehicle of the invention, comprising the following steps:
S1, set electric vehicle tilt 30 degree when to topple over threshold values, electric vehicle tilt 10 degree when for upright threshold values；
S2, energization is closed the switch to electric door lock:
Processor unit 100 exports the control terminal of non-brake control signal to brake signal output unit 300, brake signal output
Unit 300 is exported in high-impedance state, the output of processor unit 100 speed regulation cut-off signal to the enable end of switch module unit 400,
The switch concatenated between speed control crank output signal end and the speed control crank signal input part of controller for electric vehicle disconnects, and speed regulation turns
The switch connection concatenated between output signal end and the input of processor unit 100: processor unit 100 passes through tilt detection electricity
The electric vehicle that road unit 200 inputs tilts, and signal progress electric vehicle is upright to detect the speed control crank for identifying and passing through electric vehicle
Output signal carries out handle and loosens detection identification:
The electric vehicle to be detected that recognizes tilts less than or equal to preset upright threshold values and speed control crank output signal size
Output valve when loosening for handle assert that electric vehicle is in upright and loosens handle:
The output speed regulation of processor unit 100 connects signal to the enable end of switch module unit 400, controls speed control crank output letter
Number switch connection that concatenates between end and the speed control crank signal input part of controller for electric vehicle, speed control crank output signal end with
The switch concatenated between processor unit input disconnects, and enters step S3；
The electric vehicle that S3, processor unit 100 input tilt detection circuit unit 200 tilt signal carry out electric vehicle incline
Detection identification, it is to be detected recognize electric vehicle and tilt topple over threshold values more than or equal to preset, assert that electric vehicle is toppled over simultaneously
Detection is toppled in stopping:
(1) processor unit 100 exports the control terminal of brake control signal to brake signal output unit 300, brake signal output
Unit 300 exports brake signal, and controller for electric vehicle carries out brake control, after processor unit 100 exports brake control signal:
Processor unit 100 by the speed detection unit of electric vehicle it is to be detected to recognize electric vehicle speed be zero when, export non-brake
The control terminal for controlling signal to brake signal output unit 300 cancels the brake signal of the output of brake signal output unit 300,
The output of brake signal output unit 300 is in high-impedance state,
(2) the output of processor unit 100 adjusts the speed cut-off signal to the enable end of switch module unit 400, speed control crank output signal
The switch concatenated between end and the speed control crank signal input part of controller for electric vehicle disconnects, speed control crank output signal end and place
The switch connection concatenated between the reason input of device unit 100,
(3) wait electric switch lock-switch to disconnect, that is, wait power-off, disconnected to electric switch lock-switch, return step S2.
Process described above device unit 100 exports the control of non-brake control signal to brake signal output unit 300
End, the output of brake signal output unit 300 are in high-impedance state, are the brakes in order to make output be attempted by the output of brake lever switching signal
Signal output unit 300, during processor unit 100 exports non-brake control signal, the not shadow of brake signal output unit 300
The output for ringing brake lever switching signal, i.e., after processor unit 100 removes brake control signal, brake signal output unit 300
The output of brake lever switching signal is not influenced.
Above-described to close the switch energization to electric door lock, refer to: electric door lock to be broken closes the switch energization, also
Be: electric door lock to be in close state is opened, and electric door lock closes the switch energization, and safety control device of electric vehicle is from off-position
Become being powered.
Above-described waiting electric switch lock-switch disconnects, and refers to: waiting the electric switch lock-switch for connecting (closure) to disconnect, also
It is: the power supply of connection is waited to disconnect.
Heretofore described electric vehicle is toppled over, and is each meant in energized state, speed control crank output signal end and electric vehicle
Occur in the case of the switch connection concatenated between the speed control crank signal input part of controller.
Claims (6)
1. a kind of safety control device of electric vehicle, the power supply of safety control is from the storage battery of electric vehicle after electric switch lock-switch
It obtains, which is characterized in that safety control includes: tilt detection circuit unit, processor unit, brake signal output list
Member, switch module unit, the processor unit input respectively with the output of tilt detection circuit unit, switch module unit
The output of switch one, the output of speed detection unit of electric vehicle be connected, the output of processor unit respectively with brake signal
The control terminal of output unit, the enable end of switch module unit are connected, and the processor unit is embedded with after electric vehicle topples over
The program module for waiting electric switch lock-switch to disconnect, and equipped with the eeprom memory for toppling over memory unit, the switch module
The speed control crank signal input part of another output access controller for electric vehicle of the switch of unit, the switch input of switch module unit
End is connected with the speed control crank output signal end of controller for electric vehicle, and the output of brake signal output unit and brake lever switch are believed
Number output and the brake signal input terminal of controller for electric vehicle is accessed after connecing.
2. a kind of safety control device of electric vehicle according to claim 1, which is characterized in that the brake signal output
Unit is exported with high resistant, is brake control signal, brake letter when brake signal output unit recognizes processor unit output
Number output unit exports brake signal, and controller for electric vehicle carries out brake control, when brake signal output unit is unidentified everywhere
Managing the output of device unit is brake control signal, and the output of brake signal output unit is high resistant.
3. a kind of safety control device of electric vehicle according to claim 1, which is characterized in that the switch module list
Member connects signal when enable end receives processor unit output for speed regulation, controls speed control crank output signal end and processor
The switch concatenated between unit input disconnects, and the speed control crank signal of speed control crank output signal end and controller for electric vehicle inputs
The switch connection concatenated between end；When signal is connected in the speed regulation that enable end does not receive processor unit output, control speed regulation turns
The switch concatenated between output signal end and the speed control crank signal input part of controller for electric vehicle is disconnected, speed control crank output
The switch connection concatenated between signal end and processor unit input.
4. a kind of safety control device of electric vehicle according to claim 1, which is characterized in that the brake signal output
Unit is additionally provided with the preset switch of high-low position brake signal, and when preset switch is set as high level brake signal, brake signal output is single
It is brake control signal that member, which recognizes processor unit output, and the brake signal of brake signal output unit output is high level brake
Signal, when preset switch is set as low level brake signal, brake signal output unit recognizes processor unit output as brake
Signal is controlled, the brake signal of brake signal output unit output is low level brake signal.
5. one kind is according to claim 1 to the implementation method of safety control device of electric vehicle described in 3 any one, feature exists
In, comprising the following steps:
S1, it sets when tilting 30 degree to topple over threshold values, topples over when tilting 10 degree during rear righting for righting threshold values,
It is " 0 " that juxtaposition, which topples over memory unit initial value, until memory unit is toppled over when toppling over is set to " 1 "；
S2, energization is closed the switch to electric door lock:
(1) processor unit exports the control terminal of non-brake control signal to brake signal output unit, brake signal output unit
Output is in high-impedance state,
(2) processor unit reading is toppled over memory unit and is differentiated:
1. processor unit output speed regulation connects signal to the enable end of switch module unit, control if toppling over memory unit is " 0 "
The switch connection concatenated between speed control crank output signal end processed and the speed control crank signal input part of controller for electric vehicle, speed regulation
The switch concatenated between handle output signal end and processor unit input disconnects, and enters step S3,
2. processor unit output speed regulation cut-off signal to the enable end of switch module unit is adjusted if toppling over memory unit is " 1 "
The switch concatenated between fast handle output signal end and the speed control crank signal input part of controller for electric vehicle disconnects, speed control crank
The switch connection concatenated between output signal end and processor unit input, enters step S4；
The electric vehicle that S3, processor unit input tilt detection circuit unit tilt signal carry out electric vehicle topple over detection
Identification, it is to be detected recognize electric vehicle and tilt topple over threshold values more than or equal to preset, assert that electric vehicle topples over and stops inclining
Detect:
(1) processor unit exports the control terminal of brake control signal to brake signal output unit, and brake signal output unit is defeated
Brake signal out, controller for electric vehicle carries out brake control, after processor unit exports brake control signal:
Processor unit by the speed detection unit of electric vehicle it is to be detected to recognize electric vehicle speed be zero when, export non-brake
The control terminal for controlling signal to brake signal output unit cancels the brake signal of brake signal output unit output, brake letter
The output of number output unit is in high-impedance state,
(2) processor unit output adjusts the speed cut-off signal to the enable end of switch module unit, speed control crank output signal end and electricity
The switch concatenated between the speed control crank signal input part of motor-car controller disconnects, speed control crank output signal end and processor list
The switch connection concatenated between the input of member,
(3) set topple over memory unit be " 1 ",
(4) wait electric switch lock-switch to disconnect, that is, wait power-off, disconnected to electric switch lock-switch, return step S2；
S4, processor unit are tilted the electric vehicle that signal toppled over by the electric vehicle that tilt detection circuit unit inputs
Righting detection identification carries out handle by the speed control crank output signal of electric vehicle and loosens detection identification, passes through the speed of electric vehicle
It is zero detection identification that degree detection unit output signal, which carries out electric vehicle speed:
The electric vehicle to be detected that recognizes tilts less than or equal to preset righting threshold values, detects to recognize speed control crank and export and believe
Output valve when number size is loosened for handle, and it is that speed is that detection, which recognizes the speed detection unit output signal of electric vehicle,
Signal when zero assert that detection recognizes that the electric vehicle toppled over is in righting, handle loosens and the state of stagnation of movement: processor unit
Output speed regulation connects signal to the enable end of switch module unit, the speed regulation of speed control crank output signal end and controller for electric vehicle
The switch connection concatenated between handle signal input part concatenates between speed control crank output signal end and processor unit input
Switch disconnects, and restores to topple over memory unit to be initial value " 0 ", enters step S3.
6. a kind of implementation method of safety control device of electric vehicle according to claim 5, which is characterized in that the place
Reason device unit exports the control terminal of non-brake control signal to brake signal output unit, and the output of brake signal output unit is in height
Resistance state is the brake signal output unit in order to make output be attempted by the output of brake lever switching signal, exports in processor unit
During non-brake control signal, brake signal output unit does not influence the output of brake lever switching signal, i.e., removes in processor unit
After removing brake control signal, brake signal output unit does not influence the output of brake lever switching signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011070341.8A CN112061278B (en) | 2018-12-29 | 2018-12-29 | Method for realizing safety control of electric vehicle |
| CN202011070342.2A CN112061279B (en) | 2018-12-29 | 2018-12-29 | Method for realizing safety control of electric vehicle |
| CN201811633152.XA CN110282059B (en) | 2018-12-29 | 2018-12-29 | Electric vehicle safety control device and implementation method thereof |
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| CN201811633152.XA CN110282059B (en) | 2018-12-29 | 2018-12-29 | Electric vehicle safety control device and implementation method thereof |
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| CN202011070341.8A Division CN112061278B (en) | 2018-12-29 | 2018-12-29 | Method for realizing safety control of electric vehicle |
| CN202011070342.2A Division CN112061279B (en) | 2018-12-29 | 2018-12-29 | Method for realizing safety control of electric vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112061279A (en) | 2020-12-11 |
| CN112061279B (en) | 2022-02-22 |
| CN112061278B (en) | 2022-02-08 |
| CN110282059B (en) | 2020-12-11 |
| CN112061278A (en) | 2020-12-11 |
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Effective date of registration: 20201118 Address after: 5 / F, 181 Zhangbei Avenue, Xinlian community, Longcheng Street office, Longgang District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN VICONT HI-TECH ELECTRONICS Co.,Ltd. Address before: Room 204, 40 Blocks, Xiangjiang Huacheng, Jingkou District, Zhenjiang City, Jiangsu Province, 2008 Applicant before: Wei Yifan |
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