CN106568603B - The method for controlling the device of vehicle slow acceleration and controlling vehicle slow acceleration - Google Patents
The method for controlling the device of vehicle slow acceleration and controlling vehicle slow acceleration Download PDFInfo
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- CN106568603B CN106568603B CN201610991544.8A CN201610991544A CN106568603B CN 106568603 B CN106568603 B CN 106568603B CN 201610991544 A CN201610991544 A CN 201610991544A CN 106568603 B CN106568603 B CN 106568603B
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- vehicle
- motor
- accelerator pedal
- drive rod
- slow acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention discloses a kind of devices for controlling vehicle slow acceleration, and the pedal control mechanism including pedestal and for applying the driving force for declining it and controllable vehicle accelerator pedal decrease speed to vehicle accelerator pedal, pedal control mechanism is set on pedestal.The device of present invention control vehicle slow acceleration, by the decrease speed for automatically controlling vehicle accelerator pedal in POT experimentation, and then control the preparatory and practicability of POT experiment during NVH performance test, it can guarantee the consistency of vehicle gas pedal response in carrying out POT experimentation, guarantee the correctness of experimental data, repeated work is avoided, working efficiency is improved, promotes the progress of vehicle performance exploitation.The invention also discloses a kind of methods for controlling vehicle slow acceleration.
Description
Technical field
The invention belongs to automobile technical fields, specifically, the present invention relates to it is a kind of control vehicle slow acceleration device and
The method for controlling vehicle slow acceleration.
Background technique
With the rapid development of China's economic and automobile industry, automobile product makes rapid progress, and consumer is simple from originally
Possess the concern of automobile to automotive performance quality at this stage, in terms of vehicle comfort, consumer can pay close attention to vehicle
NVH performance, vehicle NVH performance are the first impressions of client's test ride, its quality directly affects consumer to the desire to buy of vehicle
It hopes.
In the vehicle NVH performance development stage, be mainly concerned with vehicle idling, at the uniform velocity with the vibration under accelerating mode and make an uproar
Sound, accelerating mode further relate to WOT (whole open throttle) and POT (partly openthrottle), and WOT is exactly
Vehicle suddenly accelerates, and a foot throttle is floored in specific engine speed range in experimentation, this is identification accelerator
The important means of middle noise and vibration problem, and POT refers to slow acceleration, this kind of operating condition closer in actual life consumer open
Car state, so POT operating condition is also the main means for identifying noise and vibration problem in accelerator.In POT experimentation,
Due to being slow acceleration, the speed for the control gas pedal decline that driver can not be artificial during many experiments causes each
Testing experimental data in POT experimentation, there are larger differences, can not input very correct experimental data to engineer, influence
The exploitation of vehicle project.Same driver not can guarantee consistency, let alone experimental data in different driver's experimentations
Consistency.
Therefore, it is the generation for avoiding above-mentioned condition, designs a kind of dedicated device to control vehicle slow acceleration, to guarantee
The consistency that gas pedal responds in POT experimentation, guarantees the correctness of experimental data, is just particularly important.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of control
The device of vehicle slow acceleration processed and the method for controlling vehicle slow acceleration, it is therefore an objective to guarantee in POT experimentation for vehicle
The consistency of gas pedal response, it is ensured that the correctness of experimental data.
To achieve the goals above, the technical scheme adopted by the invention is as follows: the device of control vehicle slow acceleration, including pedestal
With the pedal control for applying the driving force for declining it and controllable vehicle accelerator pedal decrease speed to vehicle accelerator pedal
Mechanism processed, pedal control mechanism are set on pedestal.
The fixation that the pedal control mechanism includes the motor being movably set on pedestal, is set on pedestal
Seat, connect with motor and with fixing seat be the drive rod being threadedly coupled and with motor synchronous movement and be used for vehicle accelerator
The push rod assembly of pedal application driving force.
The pedestal has slide guide face, and the motor is placed on slide guide face, and the fixing seat is fixedly installed on slide guide
It is oppositely arranged on face and with motor.
The slide guide face is the tapered plane that inclination extends, and the fixed seating is in the obliquely downward of the motor.
The motor is servo motor.
The fixing seat has the threaded hole for allowing the drive rod to be inserted into, and the surface of drive rod is equipped with external screw thread.
The push rod assembly is connect with the drive rod.
The push rod assembly include piston rod for contacting with vehicle accelerator pedal, connect with the drive rod first
It link block, the second link block being connect with piston rod and is connect with the first link block and the second link block and equal with drive rod
Capable guide rod, the fixing seat have the pilot hole for allowing guide rod to pass through.
Parallel two are arranged in the guide rod, and the drive rod is located between two guide rods.
The present invention also provides a kind of methods for controlling vehicle slow acceleration, including by pedal control mechanism to vehicle accelerator
Pedal applies driving force to control the process of vehicle accelerator pedal decrease speed.
The present invention controls the device of vehicle slow acceleration, by automatically controlling vehicle accelerator pedal in POT experimentation
Decrease speed, and then control the preparatory and practicability of POT experiment during NVH performance test, it is ensured that vehicle is carrying out
The consistency that gas pedal responds in POT experimentation, guarantees the correctness of experimental data, avoids repeated work, improves work
Efficiency promotes the progress of vehicle performance exploitation.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the structural schematic diagram of the device of present invention control vehicle slow acceleration；
Fig. 2 is the main view of the device of present invention control vehicle slow acceleration；
In the figure, it is marked as 1, vehicle accelerator pedal；2, pedestal；21, slide guide face；3, motor；4, fixing seat；5, it drives
Bar；6, guide rod；7, piston rod；8, the first link block；9, the second link block；10, baffle.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
It as depicted in figs. 1 and 2, is for being carried out in vehicle the present invention provides a kind of device for controlling vehicle slow acceleration
Auxiliary experiment device when POT working condition experimenting.POT operating condition is slow acceleration operating condition, since driver in the prior art is multiple real
The speed that the gas pedal decline on experiment vehicle can not be artificially controlled during testing, causes to test in POT experimentation every time
There are larger differences for experimental data.The present invention controls the device of vehicle slow acceleration and includes pedestal 2 and be used for vehicle accelerator pedal
Apply the pedal control mechanism of the driving force for declining it and controllable vehicle accelerator pedal decrease speed, pedal control mechanism is set
It is placed on pedestal 2.When carrying out POT working condition experimenting to vehicle, using the device of the invention, vehicle accelerator can be automatically controlled and stepped on
The decrease speed of plate, and then control the preparatory and practicability of POT experiment during NVH performance test, it is ensured that vehicle exists
The consistency for carrying out gas pedal response in POT experimentation, guarantees the correctness of experimental data, avoids repeated work, improves
Working efficiency promotes the progress of vehicle performance exploitation.
Specifically, as depicted in figs. 1 and 2, pedal control mechanism includes the motor being movably set on pedestal 2
3, the fixing seat 4 that is fixedly installed on pedestal 2, connect with motor 3 and with fixing seat 4 be the drive rod 5 being threadedly coupled and with
3 synchronizing moving of motor and the push rod assembly for being used to apply vehicle accelerator pedal driving force.Vehicle accelerator pedal is rotatable
Be set on vehicle, for generating driving source, drive rod 5 is connect by shaft coupling with the main shaft of motor 3 motor 3, electric
When motivation 3 operates, drive rod 5 is driven to rotate, since drive rod 5 is to be threadedly coupled with fixing seat 4, drive rod 5 can be relative to solid
Reservation 4 is rotated and is moved, and then drive rod 5 drives motor 3 to synchronize and move linearly, meanwhile, push rod assembly with it is electronic
3 synchronizing moving of machine, push rod assembly apply the driving force for being rotated down it to vehicle accelerator pedal, can also push vehicle oily
Door pedal is declined.And by the rotation speed of control motor 3, it can control the driving velocity of push rod assembly, Jin Erke
To control the decrease speed of vehicle accelerator pedal.
As depicted in figs. 1 and 2, the top surface of pedestal 2 is slide guide face 21, and motor 3 is placed on slide guide face 21, fixing seat 4
It is fixedly installed on slide guide face 21 and is oppositely arranged with motor 3.Preferably, slide guide face 21 is the oblique flat of inclination extension
Face, fixing seat 4 are located at the obliquely downward of motor 3, i.e., the bottom position that is located at slide guide face 21 of fixing seat 4, motor 3 are located at slide guide
At the apical position in face 21, the shell of motor 3 is contacted with slide guide face 21, and motor 3 and fixing seat 4 are simultaneously in and slide guide face 21
On parallel same straight line.Since vehicle accelerator pedal is generally inclined setting on vehicle, vehicle accelerator is stepped on
The V-shaped distribution in slide guide face 21 on plate and pedestal 2, so that pedal control mechanism is in the oblique upper of vehicle accelerator pedal, so as to
In experiment when push vehicle accelerator pedal rotated.
As depicted in figs. 1 and 2, fixing seat 4 has the threaded hole for allowing drive rod 5 to be inserted into, and the surface of drive rod 5 is equipped with outer spiral shell
Line.Parallel with the length direction in the slide guide face 21 and rotation centerline with vehicle accelerator pedal of the axis of drive rod 5 is in space
Upper perpendicular, one end of drive rod 5 is fixedly connected by shaft coupling with the main shaft of motor 3, and the other end is inserted into fixing seat 4
In threaded hole, in this way when motor 3 operates, by the phase separation of drive rod 5 and fixing seat 4, make motor 3 and drive rod 5
Reciprocating linear can be done along the inclined direction parallel with slide guide face 21 to move.
As depicted in figs. 1 and 2, push rod assembly is connect with drive rod 5, and push rod assembly can be in company with drive rod 5 and motor 3
Synchronizing moving.The first connection that push rod assembly includes piston rod 7 for contacting with vehicle accelerator pedal, connect with drive rod 5
Block 8, the second link block 9 being connect with piston rod 7 and connect with the first link block 8 and the second link block 9 and with 5 phase of drive rod
Parallel guide rod 6, fixing seat 4 have the pilot hole for allowing guide rod 6 to pass through.Drive rod 5 and push rod assembly are located at slide guide face 21
Top, drive rod 5 and the first link block 8 are rotation connection, and drive rod 5 is only capable of rotating and drive relative to the first link block 8
First link block 8, which synchronizes, does reciprocating linear movement, and then push rod assembly is driven integrally to be moved.First link block 8 and second
Link block 9 is located at the side of fixing seat 4, and one end of guide rod 6 is fixedly connected with the first link block 8, the other end and second
Link block 9 is fixedly connected.One end of piston rod 7 is fixedly connected with the second link block 9, and the other end is used for and vehicle accelerator pedal
The length direction of pedal face contact, piston rod 7 is parallel with the axis of drive rod 5 and guide rod 6.
Preferably, as depicted in figs. 1 and 2, the end face of the end on piston rod 7 for being contacted with vehicle accelerator pedal
For arc surface, the axis of the arc surface and the rotation centerline of vehicle accelerator pedal are parallel, outside due to vehicle accelerator pedal
Pushing under moving is to make rotating motion, therefore arc surface is arranged on piston rod 7, can remain and contact with vehicle accelerator pedal
State guarantees the accuracy of experimental data.
As depicted in figs. 1 and 2, parallel two are arranged in guide rod 6, and drive rod 5 and piston rod 7 are respectively positioned on two guiding
6 position in the middle of bar, is accordingly arranged two pilot holes in fixing seat 4, and each guide rod 6 is inserted into a pilot hole respectively
In, it is matched by setting guide rod 6 and fixing seat 4, it is ensured that the stabilization of push rod assembly and the movement of drive rod 5 and motor 3
Property.
As depicted in figs. 1 and 2, the device that the present invention controls vehicle slow acceleration further includes being set on slide guide face 21 and being used for
The baffle 10 of position-limiting action is played to motor, baffle 10 is located between motor and the first link block 8.When motor moves down
To after contacting with baffle 10, motor stops movement.
Preferably, motor 3 is servo motor, can make to control speed, position precision is very accurate.
Since the device of present invention control vehicle slow acceleration is for carrying out the NVH performance test in vehicle performance exploitation
Middle use, although engine noise, wind make an uproar and accounts for major part in accelerator, noise that the motor 3 of device generates can be with
Ignore, but bring influence of noise to test process for the noise for avoiding motor 3 from generating, package processing can be carried out with motor 3,
To reduce noise.It, can be by way of acoustics packet pair since the noise high-frequency noises that motor 3 generates account for major part
Motor 3 is handled, and so-called acoustics packet is exactly to be carried out at package using the suction preferable acoustical material of sound insulation value to motor 3
Reason, after there is the acoustical material for inhaling sound insulation value to carry out package processing to motor 3, though it cannot complete to prevent the list of motor
Bulk noise, but reduce the monomer noise of motor to a certain extent, it can be further ensured that the accuracy of experimental data in this way.
The present invention also provides a kind of methods for controlling vehicle slow acceleration, control vehicle slow acceleration using the above structure
Device, including applying driving force to vehicle accelerator pedal by pedal control mechanism to control vehicle accelerator pedal decrease speed
Process.
Specifically, the method that the present invention controls vehicle slow acceleration comprises the following steps that
When controlling the device work of vehicle slow acceleration, the bottom arc surface of piston rod 7 is contacted with vehicle accelerator pedal, works as electricity
When motivation 3 operates, rotate drive rod 5, since drive rod 5 is to be threadedly coupled with fixing seat 4, the rotation band of drive rod 5
Dynamic motor 3 is moved down along slide guide face 21, while guide rod 6 is moved down also along slide guide face 21, and guide rod 6 moves downward
While push piston rod 7 to move, the movement of piston rod 7 and then vehicle accelerator pedal is pushed to move downward.
When initial accelerator pedal position is identical, 3 velocity of rotation of motor, one timing controls answering for the device of vehicle slow acceleration
With the decrease speed that can directly control vehicle accelerator pedal.Equally need vehicle accelerator pedal different in POT experimentation
Decrease speed when, can input to the voltage of motor 3 by controlling and control the rotation speed of motor 3 and control piston rod
7 driving velocity, and then guarantee the decrease speed under vehicle accelerator pedal different rates.
After experiment, control motor 3 is rotated backward, and whole device can be returned to original position, so that the device can
It carries out repeating experiment.
The present invention is exemplarily described in conjunction with attached drawing above.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (10)
1. controlling the device of vehicle slow acceleration, which is characterized in that including pedestal and for making under it to vehicle accelerator pedal application
The pedal control mechanism of the driving force of drop and controllable vehicle accelerator pedal decrease speed, pedal control mechanism are set to pedestal
On；
The pedal control mechanism include the motor being movably set on pedestal, the fixing seat being set on pedestal, with
Motor connection and with fixing seat be the drive rod being threadedly coupled and with motor synchronous movement and be used for vehicle accelerator pedal
Apply the push rod assembly of driving force；
Pedestal has slide guide face, and motor is placed on slide guide face, fixing seat be fixedly installed on slide guide face and with motor phase
To setting；Fixing seat has a threaded hole for allowing drive rod to be inserted into, and the surface of drive rod is equipped with external screw thread, the axis of drive rod with lead
The parallel and rotation centerline with vehicle accelerator pedal of the length direction of sliding surface is spatially perpendicular；
Push rod assembly and motor synchronous are mobile, and push rod assembly includes the piston rod and institute for contacting with vehicle accelerator pedal
The first link block for stating drive rod connection, the second link block for being connect with piston rod and with the first link block and the second link block
Connection and the guide rod parallel with drive rod, the fixing seat have the pilot hole for allowing guide rod to pass through；
The end face of end on piston rod for contacting with vehicle accelerator pedal is arc surface, axis and the vehicle oil of the arc surface
The rotation centerline of door pedal is parallel；The V-shaped distribution in slide guide face on vehicle accelerator pedal and pedestal, at pedal control mechanism
In the oblique upper of vehicle accelerator pedal.
2. the device of control vehicle slow acceleration according to claim 1, which is characterized in that further include being set on slide guide face
And the baffle for playing position-limiting action to motor, baffle is between motor and the first link block；When motor is to moving down
It moves to after being contacted with baffle, motor stops movement.
3. the device of control vehicle slow acceleration according to claim 1, which is characterized in that the slide guide face is that inclination extends
Tapered plane, the fixed seating is in the obliquely downward of the motor.
4. the device of control vehicle slow acceleration according to claim 3, which is characterized in that the fixed seating is in slide guide face
Bottom position, motor is located at the apical position in slide guide face, the shell of motor and slide guide face contact, motor and fixation
Seat is on the same straight line parallel with slide guide face.
5. according to the device of any control vehicle slow acceleration of claim 2 to 4, which is characterized in that the motor is
Servo motor.
6. according to the device of any control vehicle slow acceleration of claim 2 to 4, which is characterized in that the fixed seat tool
There is the threaded hole for allowing the drive rod to be inserted into, the surface of drive rod is equipped with external screw thread.
7. it is according to claim 6 control vehicle slow acceleration device, which is characterized in that the axis of the drive rod with lead
The parallel and rotation centerline with vehicle accelerator pedal of the length direction of sliding surface is spatially perpendicular, and one end of drive rod is logical
It crosses shaft coupling to be fixedly connected with the main shaft of motor, the other end is inserted into the threaded hole in fixing seat.
8. the device of control vehicle slow acceleration according to claim 7, which is characterized in that the drive rod is connect with first
Block is rotation connection, and drive rod is only capable of rotating and the first link block being driven to synchronize doing reciprocating linear shifting relative to the first link block
It is dynamic.
9. the device of control vehicle slow acceleration according to claim 6, which is characterized in that the guide rod setting is parallel
Two, the drive rod is located between two guide rods.
10. the method for controlling vehicle slow acceleration, which is characterized in that using the device of control vehicle slow acceleration, including pass through pedal
Control mechanism applies driving force to vehicle accelerator pedal to control the process of vehicle accelerator pedal decrease speed；
Control vehicle slow acceleration device include pedestal and for vehicle accelerator pedal apply make its decline driving force and can
Control the pedal control mechanism of vehicle accelerator pedal decrease speed；
Pedal control mechanism include the motor being movably set on pedestal, the fixing seat being set on pedestal, with it is electronic
Machine connection and with fixing seat be the drive rod being threadedly coupled and with motor synchronous it is mobile and be used for vehicle accelerator pedal application
The push rod assembly of driving force；
Push rod assembly includes piston rod for contacting with vehicle accelerator pedal, connect with drive rod the first link block, with it is living
Second link block of stopper rod connection and with the first link block and the connection of the second link block and the guide rod parallel with drive rod,
Fixing seat has the pilot hole for allowing guide rod to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991544.8A CN106568603B (en) | 2016-11-10 | 2016-11-10 | The method for controlling the device of vehicle slow acceleration and controlling vehicle slow acceleration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991544.8A CN106568603B (en) | 2016-11-10 | 2016-11-10 | The method for controlling the device of vehicle slow acceleration and controlling vehicle slow acceleration |
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| CN106568603A CN106568603A (en) | 2017-04-19 |
| CN106568603B true CN106568603B (en) | 2019-10-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203989A (en) * | 2017-06-29 | 2019-01-15 | 王科研 | A kind of vehicle motion control device |
| CN112857818B (en) * | 2019-11-12 | 2023-05-30 | 广州汽车集团股份有限公司 | Accelerator pedal control device and method |
| CN113686596A (en) * | 2021-09-30 | 2021-11-23 | 蜂巢传动系统(江苏)有限公司保定研发分公司 | Noise testing device, noise testing method and vehicle |
| CN114061970A (en) * | 2021-10-08 | 2022-02-18 | 东风本田汽车有限公司 | Vehicle speed control method and device |
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