CN104596776B - Car gentle acceleration control device - Google Patents
Car gentle acceleration control device Download PDFInfo
- Publication number
- CN104596776B CN104596776B CN201410798650.5A CN201410798650A CN104596776B CN 104596776 B CN104596776 B CN 104596776B CN 201410798650 A CN201410798650 A CN 201410798650A CN 104596776 B CN104596776 B CN 104596776B
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- China
- Prior art keywords
- fixing axle
- slow acceleration
- follower
- acceleration device
- control vehicle
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- 230000001133 acceleration Effects 0.000 title claims abstract description 32
- 238000002474 experimental method Methods 0.000 abstract description 20
- 238000013383 initial experiment Methods 0.000 abstract 1
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000010370 hearing loss Effects 0.000 description 1
- 231100000888 hearing loss Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000013433 optimization analysis Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
The invention discloses a car gentle acceleration control device. A propelling portion pushes a connection portion to drive an accelerator pedal to move, and accordingly, the engine throttle aperture can be controlled indirectly, when the car speed or the engine rotation speed reaches experiment requirements, the experiment is finished, the propelling portion stops moving, a driven portion rebounds to the initial experiment position, and the accelerator pedal moving rates are identical for all experiments, accordingly, consistency of experiment data obtained in vibration experiments and normal acceleration noise is guaranteed.
Description
Technical field
The invention belongs to field of vehicle control, particularly a kind of device of control vehicle slow acceleration.
Background technology
With the development and the continuous improvement of living standards of the people of automobile industry, consumer is to vehicle ride comfort
Require also gradually stepping up, in-car NVH performances are increasingly paid attention to by consumer.Noise is the important composition of NVH researchs
The definition that senior general has a strong impact on communication between the comfortableness of automobile and passenger is crossed in part, internal car noise, can also make driver's feelings
Thread becomes impatient, and passenger easily feels fatigue.The larger vehicle of driver's long-duration driving internal car noise can cause its hearing loss,
Even driver can be caused to the decline of various code distinguishabilities so as to cause a traffic accident.
The index for evaluating internal car noise quality at present mainly has:
1) in-car whether there is roar in the range of the normal revolution (1500-4000rpm/min);
2) whether in-car overall noise level is under national standard or industry standard;
3) linearity of in-car acceleration noise how.
In NVH experimentations common measurement condition be respectively idling, at the uniform velocity and accelerate.It is divided in accelerating mode again
It is anxious to accelerate and slow acceleration.It is 100% that accelerator open degree is controlled during anxious Acceleration study, and engine speed is in 1000-5000rpm/
During min, the experimental data of internal car noise is acquired.Slow acceleration experiment is exactly with certain speed by the right crus of diaphragm of driver
Control gas pedal, makes the speed of vehicle uniformly rise.In the experimentation of each slow acceleration, driver is it is difficult to ensure that to oil
The controling power uniformity of door aperture, so as to the experimental data concordance for causing repeatedly to measure is poor, has had a strong impact on the later stage whole
The optimization analysis of car NVH performances.
The content of the invention
The technical problem to be solved is to provide a kind of motion of controllable gas pedal, it is ensured that multiple slow acceleration
In experimentation, the motion conditions of vehicle accelerator pedal are consistent, add so as to the control vehicle for ensureing many experiments data consistency is slow
The device of speed.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of device of control vehicle slow acceleration, including:
Connecting portion, the gas pedal of vehicle are packed on the connecting portion;
Promotion part, its free end are fixedly connected with the connecting portion;
Follower, which is separately positioned on two ends of the connecting portion and parallel with the free end of the promotion part;
Holding part, is provided with open hollow chamber, and the open hollow intracavity is provided with elastomeric element;
Fit during one end of each follower is slidably mounted on the open hollow chamber and with the elastomeric element,
The holding part is located at the same side of the follower.
Preferably, the connecting portion is fixing axle, and mounting groove is offered in the middle part of the fixing axle, and the gas pedal of vehicle is solid
It is mounted in the mounting groove.
Preferably, the first bolt is fixed on the gas pedal of vehicle in the mounting groove through the fixing axle.
Preferably, the promotion part is hydraulic cylinder, the middle part of the free end of piston rod and the fixing axle in the hydraulic cylinder
It is fixedly connected.
Preferably, the follower includes:
Fixed support, which part are not arranged on the two ends of the fixing axle;
Push rod, its and one end parallel with piston rod in the hydraulic cylinder are fixedly connected with described support bracket fastened one end,
The other end is slidably mounted in the open hollow chamber, and the end of the push rod is fitted with the elastomeric element;
The holding part is located at described support bracket fastened the same side.
Preferably, the fixed support and the push rod are integrally formed.
Preferably, the two ends of the fixing axle are packed in the support bracket fastened middle part, and the middle part of the fixing axle is with respect to institute
The two ends for stating fixing axle rotate.
Preferably, the second bolt be each passed through the fixed support two ends of the fixing axle are packed in it is corresponding described
On fixed support.
Preferably, the elastomeric element is helical spring.
A kind of device of control vehicle slow acceleration of the present invention, promotion part promote connecting portion, and then drive gas pedal motion,
Can indirect control engine air throttle aperture, in experiment after speed or engine speed reach requirement of experiment experiment knot
Beam, now promotion part stop motion, follower recoil to initial experimental site, every time the speed one of experiment throttle pedal travel
Sample, this guarantees the concordance of the obtained experimental data in common acceleration noise and vibration experiment.
Description of the drawings
Fig. 1 is the schematic diagram of the device of control vehicle slow acceleration provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram of fixing axle in the device for controlling vehicle slow acceleration provided in an embodiment of the present invention;
Fig. 3 is the control principle drawing of hydraulic cylinder in the device for controlling vehicle slow acceleration provided in an embodiment of the present invention.
In Fig. 1 to Fig. 3, reference is:1 fixing axle, 11 mounting grooves, 2 first bolts, 3 hydraulic cylinders, 4 fixed supports, 5 push away
Enter bar, 6 holding parts, 7 second bolts, 8 helical springs.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail:
A kind of device of control vehicle slow acceleration includes connecting portion, promotion part, follower, holding part.Wherein, the oil of vehicle
Door pedal is packed on the connecting portion, and the free end of promotion part is fixedly connected with connecting portion, and follower is separately positioned on connecting portion
Two ends and parallel with the free end of promotion part.Open hollow chamber is provided with holding part, the open hollow intracavity is provided with bullet
Property part.Fit during one end of each follower is slidably mounted on open hollow chamber and with elastomeric element, holding part positioned at from
The same side in dynamic portion.Promotion part promotes connecting portion, and then drives gas pedal motion, can indirect control engine air throttle open
Degree, tests after speed or engine speed reach requirement of experiment in experiment and terminates, now promotion part stop motion, follower
Initial experimental site is recoiled to, the speed of experiment throttle pedal travel is the same every time, this guarantees and makes an uproar in common acceleration
The concordance of obtained experimental data in sound and vibration experiment.
A kind of embodiment, as depicted in figs. 1 and 2, connecting portion is fixing axle 1, and the middle part of the fixing axle 1 offers mounting groove
11, the gas pedal of vehicle is packed in the mounting groove 11.Connecting portion selects fixing axle, simple structure to be easy to processing and manufacturing, remove
Outside this, connecting portion is it can also be designed cuboid, triangular prism etc..Preferably, the first bolt 2 passes through fixing axle 1 by the oil of vehicle
Door pedal is fixed in mounting groove 11, is coupled by the first bolt 2, is easy to dismounting, is improved the operability of this device.Such as
Shown in Fig. 1, promotion part is hydraulic cylinder 3, and in the hydraulic cylinder 3, the free end of piston rod is fixedly connected with the middle part of fixing axle 1.As schemed
Shown in 3, the cylinder body of hydraulic cylinder 3 is connected with the fuel tank built with hydraulic pump.Hydraulic cylinder structure is simple, reliable operation.With it come real
When now moving back and forth, deceleration device, and no drive gap, stable movement can be removed from, promotion part is in addition to from hydraulic cylinder
Motor is can select also.As depicted in figs. 1 and 2, follower includes fixed support 4 and push rod 5, the middle part difference of fixed support 4
The two ends of fixing axle 1 are arranged on, different for the angle of different vehicle gas pedal, the two ends of fixing axle 1 are packed in fixed
The middle part of frame 4, the two ends that the middle part of the fixing axle 1 is relatively fixed axle 1 are rotatable, thus, adjusting gas pedal and fixing axle 1
Setting angle after, the second bolt 7 is each passed through fixed support 4 and the two ends of fixing axle 1 is packed in corresponding fixed support 4
On.Fixed support 4 passes through bolt-connection with the two ends of fixing axle 1, both ensure that the firm of connection, and had been easy to dismounting again.Push rod 5
One end be fixedly connected with one end of fixed support 4, the other end is slidably mounted in the open hollow chamber of holding part 6, and this is opened
In mouthful, cavity is constituted and pushes cabin, and the end of the push rod 5 is fitted with elastomeric element, and holding part 6 is located at the same of fixed support 4
Side.The device for controlling vehicle slow acceleration for convenience is contacted with vehicle body, and the non-opening of holding part 6 is tapered.Further preferably
Ground, elastomeric element are helical spring 8, mainly consider to be easy to selection from helical spring, and cheap, in addition, also can select
Nitrogen spring.For the ease of manufacture, it is preferable that fixed support 4 and push rod 5 are integrally formed.Follower is removed and selects said structure
Outward, the structure of similar piston rod is also can select, or replaces follower and holding part with cylinder.
Direction of the black arrow for hydraulic coupling in Fig. 3, dotted arrow are running of hydraulic power oil direction.
As shown in figures 1 and 3, when slow acceleration experiment starts, hydraulic pump is started working the pump oil into cylinder body, and piston rod is subject to
The effect of hydraulic coupling is moved right, and piston rod promotes fixing axle 1 to move right during moving right, so as to drive fixed mount
4 and push rod 5 move downward pushing compression helical spring 8 in cabin, gas pedal is moved downward.At the end of experiment, push
Bar 5 is subject to the pulling force of the resilience force and gas pedal of helical spring 8, so as to promote piston rod to return to original state, real every time
The speed for testing gas pedal motion is the same, this guarantees the obtained experimental data in common acceleration noise and vibration experiment
Concordance.
In order to adapt to different degrees of slow acceleration experiment, the movement velocity of piston rod is can control, it is main by changing hydraulic pressure
The output of pump, it can be to be controlled the electric current in hydraulic pump output circuit with PWM controller that one of which changes method
Size.
In sum, present disclosure is not limited in above-described embodiment, and those skilled in the art can basis
The guiding theory of the present invention proposes other embodiment easily, and these embodiments are included within the scope of the present invention.
Claims (9)
1. it is a kind of control vehicle slow acceleration device, including:Connecting portion, promotion part, follower and holding part, the throttle of vehicle are stepped on
Plate is packed on the connecting portion, and the follower is separately positioned on the two ends of the connecting portion, is provided with the holding part
Open hollow chamber, one end of each follower are slidably mounted in the open hollow chamber, and the holding part is located at institute
State the same side of follower, it is characterised in that:
The free end of the promotion part is fixedly connected with the connecting portion;
The follower is parallel with the free end of the promotion part;
The open hollow intracavity is provided with elastomeric element;Fit with the elastomeric element one end of the follower.
2. it is according to claim 1 control vehicle slow acceleration device, it is characterised in that:The connecting portion is fixing axle,
Mounting groove is offered in the middle part of the fixing axle, the gas pedal of vehicle is packed in the mounting groove.
3. it is according to claim 2 control vehicle slow acceleration device, it is characterised in that:First bolt passes through the fixation
Axle is fixed on the gas pedal of vehicle in the mounting groove.
4. it is according to claim 3 control vehicle slow acceleration device, it is characterised in that:The promotion part is hydraulic cylinder,
In the hydraulic cylinder, the free end of piston rod is fixedly connected with the middle part of the fixing axle.
5. it is according to claim 4 control vehicle slow acceleration device, it is characterised in that the follower includes:
Fixed support, which part are not arranged on the two ends of the fixing axle;
Push rod, its and one end parallel with piston rod in the hydraulic cylinder are fixedly connected with described support bracket fastened one end, another
End is slidably mounted in the open hollow chamber, and the end of the push rod is fitted with the elastomeric element;
The holding part is located at described support bracket fastened the same side.
6. it is according to claim 5 control vehicle slow acceleration device, it is characterised in that:The fixed support and described push away
Enter bar to be integrally formed.
7. it is according to claim 6 control vehicle slow acceleration device, it is characterised in that:The two ends of the fixing axle are fixedly mounted with
At the support bracket fastened middle part, the middle part of the fixing axle is rotated relative to the two ends of the fixing axle.
8. it is according to claim 7 control vehicle slow acceleration device, it is characterised in that:Second bolt is each passed through described
Fixed support is packed in the two ends of the fixing axle on the corresponding fixed support.
9. it is according to claim 8 control vehicle slow acceleration device, it is characterised in that:The elastomeric element is spiral bullet
Spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410798650.5A CN104596776B (en) | 2014-12-19 | 2014-12-19 | Car gentle acceleration control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410798650.5A CN104596776B (en) | 2014-12-19 | 2014-12-19 | Car gentle acceleration control device |
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CN104596776A CN104596776A (en) | 2015-05-06 |
CN104596776B true CN104596776B (en) | 2017-04-12 |
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CN201410798650.5A Expired - Fee Related CN104596776B (en) | 2014-12-19 | 2014-12-19 | Car gentle acceleration control device |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106568603B (en) * | 2016-11-10 | 2019-10-25 | 江苏三能动力总成有限公司 | The method for controlling the device of vehicle slow acceleration and controlling vehicle slow acceleration |
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 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3334318B2 (en) * | 1994-02-01 | 2002-10-15 | 神鋼電機株式会社 | Vibration control device |
JPH0953491A (en) * | 1995-08-09 | 1997-02-25 | Mazda Motor Corp | Control device of engine |
US5955674A (en) * | 1997-10-31 | 1999-09-21 | Eaton Corporation | Driveline vibration system diagnostics |
US6522998B1 (en) * | 1998-10-13 | 2003-02-18 | Breed Automotive Technology, Inc. | Sled test apparatus and method for simulating pre-impact crash event |
CN201109370Y (en) * | 2007-09-03 | 2008-09-03 | 王秀龙 | Automobile accelerator buffer |
CN201659891U (en) * | 2010-02-20 | 2010-12-01 | 金惬入 | Automobile accelerator pedal with damper |
CN101941380A (en) * | 2010-09-10 | 2011-01-12 | 南京信息职业技术学院 | Accelerator safety control device |
CN201900999U (en) * | 2010-12-24 | 2011-07-20 | 徐州海伦哲专用车辆股份有限公司 | Foot throttle control mechanism of engineering truck |
CN102935804A (en) * | 2012-11-18 | 2013-02-20 | 苏州蓝王机床工具科技有限公司 | Control mechanism of pedal throttle of engineering van |
CN103085661B (en) * | 2013-01-18 | 2016-08-03 | 孙致远 | Automobile accelerator slow-stepping controller |
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CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 |