CN205573835U - Electric vehicle - Google Patents
Electric vehicle Download PDFInfo
- Publication number
- CN205573835U CN205573835U CN201620433516.XU CN201620433516U CN205573835U CN 205573835 U CN205573835 U CN 205573835U CN 201620433516 U CN201620433516 U CN 201620433516U CN 205573835 U CN205573835 U CN 205573835U
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- electric vehicle
- accumulator
- sound
- body platform
- gap
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Abstract
The utility model provides an electric vehicle, includes: vehicle body floor for lay the carpet, the battery is located vehicle body floor's below, the battery with first clearance has between the vehicle body floor, be equipped with the sound absorbing and vibration -damping pad in the first clearance. The utility model discloses be equipped with the sound absorbing and vibration -damping pad in the first clearance between battery and vehicle body floor, full first clearance is filled to the sound absorbing and vibration -damping pad, electric vehicle's acoustic absorption performance has been promoted, the possibility that battery and vehicle body floor take place the striking can also be eliminated.
Description
Technical field
This utility model relates to a kind of electric vehicle.
Background technology
Along with the most universal of automobile and the replacement, the comfortableness of automobile is required more and more higher by consumer, its
Middle as client can the auto NVH performance of direct feeling, enjoy the concern of client and automobile vendor, NVH
It is noise, vibration and the english abbreviation of sound vibration roughness (Noise, Vibration, Harshness).Want
The NVH performance improving vehicle can be largely classified into two kinds of methods: the control to source and the control to path.
The effect of acoustics bag is exactly the control to noise bang path, and acoustics bag reasonable in design can be effectively reduced
It is delivered to energy at occupant's ear from source, thus realizes the effect of noise reduction.Car acpistocs bag refers to and automobile
The summation of relevant all kinds of sound-absorbing sound-insulating members, such as front wall sound-absorption vibration-reduction pad, ceiling, floor etc..
Along with increase and the guiding of national policy of environmental protection pressure, new energy vehicle has obtained the biggest
Development；Wherein, a class with fastest developing speed during electric vehicle is new energy vehicle.Current electric vehicle
In order to ensure course continuation mileage, generally require the jumbo accumulator of use.In prior art, electric vehicle
Accumulator be arranged on below body platform, i.e. accumulator is towards the lower surface (lower surface of body platform
Towards ground)；Upper surface at body platform lays carpet, and for sqouynd absorption lowering noise, carpet is typically selected
Hard formation cotton felt adds PU foaming or soft formation cotton felt stiffening layer cotton felt；Hard formation cotton felt adds PU foaming or soft formation
Cotton felt stiffening layer cotton felt is the acoustics bag of electric vehicle.
In prior art, there is between accumulator and body platform gap, electric vehicle in the process of moving,
The flowing of air can produce noise in this gap, and noise can be transferred in the driving cabin of electric vehicle.This
Outward, accumulator is the first smooth metallic plate towards the surface of body platform, and the lower surface of body platform is
Second metallic plate；The mode of smooth metallic plate is relatively low, and mode is the natural vibration characteristic of structural system；
When electric vehicle is by dynamic excitation, electric vehicle can vibrate, then accumulator is towards vehicle body ground
The surface of plate can couple by occurrence frequency, and the first metallic plate can vertically be subjected to displacement；Once the first gold medal
The displacement belonging to plate has exceeded the gap between accumulator and body platform, and the first metallic plate will collide
, the most then there is abnormal sound in the second metallic plate, heavy then cause the structural failure of body platform or accumulator.
Utility model content
The problem that this utility model solves is to have gap in prior art between accumulator and body platform,
In the process of moving, the flowing of air can produce noise in this gap to electric vehicle；And work as electric vehicle
During by dynamic excitation, body platform and accumulator are susceptible to clash into, and abnormal sound occurs or causes vehicle body
Floor or the structural failure of accumulator.
For solving the problems referred to above, this utility model provides a kind of electric vehicle, including: body platform, use
In laying carpet；Accumulator, is positioned at the lower section of body platform, described accumulator and described body platform it
Between there is the first gap, described first gap is provided with sound-absorption vibration-reduction pad.
Optionally, also including: sill strip, the width along described vehicle is spaced to be arranged, with described car
Body floor surrounds the battery bay accommodating described accumulator；Along the width of described vehicle, described threshold
There is between beam and described accumulator the second gap, described second gap is provided with sealing ring.
Optionally, described sound-absorption vibration-reduction pad respectively with described accumulator and described body platform interference fit.
Optionally, described sealing ring respectively with described accumulator and described sill strip interference fit.
Optionally, the thickness of described sound-absorption vibration-reduction pad is 10mm-15mm.
Optionally, the thickness of described sound-absorption vibration-reduction pad is 11.8mm.
Compared with prior art, the technical solution of the utility model has the advantage that
This utility model is provided with sound-absorption vibration-reduction pad in the first gap between accumulator and body platform, inhales
Sound cushion blocking fills full first gap；In the process of moving, rare air is in the first gap for electric vehicle
Flowing, the lower noise of generation, even if there being noise to produce, also can be absorbed by sound-absorption vibration-reduction pad, improving
The sound absorbing capabilities of electric vehicle.Additionally, due to be provided with sound-absorption vibration-reduction pad in the first gap, work as electric motor car
During by dynamic excitation, sound-absorption vibration-reduction pad can eliminate the possibility that accumulator and body platform occur to clash into
Property, it is to avoid metallic plate collides.
Accompanying drawing explanation
Fig. 1 is body platform, battery, sound-absorption vibration-reduction pad and door in this utility model embodiment electric vehicle
The position relationship schematic diagram of sill beam；
Fig. 2 is that the position of body platform, battery and sill strip in this utility model embodiment electric vehicle is closed
It it is schematic diagram.
Detailed description of the invention
Prior art has between accumulator and body platform gap, electric vehicle in the process of moving,
The flowing of air can produce noise in this gap；And when electric vehicle is by dynamic excitation, vehicle body ground
Plate and accumulator are susceptible to clash into, and abnormal sound occurs or causes the structural failure of body platform or accumulator.
This utility model is provided with sound-absorption vibration-reduction pad in the first gap between accumulator and body platform, and sound-absorbing subtracts
Full first gap filled by the pad that shakes；Improve the sound absorbing capabilities of electric vehicle, additionally it is possible to eliminate accumulator and car
There is the probability clashed in body floor.
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with
Specific embodiment of the utility model is described in detail by accompanying drawing.
A kind of electric vehicle of this utility model embodiment offer, reference Fig. 1 and Fig. 2, including: body platform
10, it is used for laying carpet (not shown)；Accumulator 20, is positioned at the lower section of body platform 10, i.e. stores
Battery 20 is between ground and body platform 10；Is had between accumulator 20 and body platform 10
One gap A (with reference to Fig. 2), is provided with sound-absorption vibration-reduction pad 40 in the first gap A.
Due in this utility model embodiment the first gap A between accumulator 20 and body platform 10
Being provided with sound-absorption vibration-reduction pad 40, full first gap A filled by sound-absorption vibration-reduction pad 40；That is, sound-absorption vibration-reduction pad
40 respectively with accumulator 20 and body platform 10 interference fit, sound-absorption vibration-reduction pad 40 with in accumulator 20
Surface (towards the surface of body platform 10) fits tightly, and sound-absorption vibration-reduction pad 40 and body platform 10
Lower surface (towards the surface of accumulator 20) fit tightly.
In the process of moving, rare air flows in the first gap A electric vehicle, the noise fall of generation
Low, even if there being noise to produce, also can be absorbed by sound-absorption vibration-reduction pad 40, improving the sound absorption properties of electric vehicle
Energy.
Additionally, accumulator 20 is the first smooth metallic plate towards the upper surface of body platform 10, vehicle body
The lower surface on floor 10 is the second metallic plate；The mode of the first smooth metallic plate is relatively low, and mode is structure
The natural vibration characteristic of system；When electric vehicle is by dynamic excitation, electric vehicle can vibrate,
So accumulator 20 can couple by occurrence frequency towards the upper surface of body platform 10, and the first metallic plate can edge
Vertical direction is subjected to displacement；Once the displacement of the first metallic plate has exceeded accumulator 20 and body platform 10
Between the size of the first gap A, the first metallic plate will collide the second metallic plate, the most then occur different
Ring, heavy then cause the structural failure of body platform or accumulator.
In prior art, for avoiding the first metallic plate to collide the second metallic plate, can increase under body platform
The rigidity on surface (the second metallic plate) and the rigidity of accumulator upper surface (the first metallic plate), first
After the rigidity of metallic plate and the second metallic plate promotes, corresponding mode also improves, and reduces the first metallic plate
Collide the probability of the second metallic plate.And increase rigidity often by increasing the first metallic plate and second
The weight of metallic plate, this is unfavorable for the lightweight of vehicle.
Owing to this utility model embodiment is provided with sound-absorption vibration-reduction pad 40 in the first gap A, work as electric vehicle
During by dynamic excitation, sound-absorption vibration-reduction pad 40 can eliminate accumulator 20 and clash into body platform 10
Probability, it is to avoid the first metallic plate and the second metallic plate collide.This avoids the need for continuing through increasing
The weight adding the first metallic plate and the second metallic plate promotes the first metallic plate and the rigidity of the second metallic plate,
Be conducive to the lightweight of vehicle.
In the present embodiment, the material of sound-absorption vibration-reduction pad 40 is EPDM (Ethylene Propylene Diene
Monomer, Chinese: ethylene propylene diene rubber) or PU foaming or EVA (Ethylene Vinyl Acetate,
Chinese: ethylene-vinyl acetate copolymer) or cotton felt, cotton felt is soft formation cotton felt；In the present embodiment,
The thickness of sound-absorption vibration-reduction pad 40 is 10mm-15mm, and including 10mm and 15mm, such as, sound-absorbing subtracts
The thickness padded that shakes is 11.8mm.The thickness of sound-absorption vibration-reduction pad 40 does not limits, according to the first gap A's
Size, should be slightly bigger than the first gap A, and so, sound-absorption vibration-reduction pad 40 just can fill full first gap A.
It should be noted that, the material of sound-absorption vibration-reduction pad 40 does not limits, as long as it possesses sound absorption and vibration damping merit
Can, any material.
Additionally, with continued reference to Fig. 1 and Fig. 2, this utility model embodiment electric vehicle also includes: sill strip
30, sill strip 30 is connected with B post (not shown)；Width along vehicle is spaced to be arranged, i.e. door
Sill beam 30 is distributed in the both sides of the width of electric vehicle, Fig. 1 illustrate only part body platform 10,
Accumulator 20 and one of them sill strip 30, another one sill strip sets with the sill strip symmetry shown in Fig. 1
Put (with reference to Fig. 2).
Sill strip 30 and body platform 10 surround the battery bay 60 accommodating accumulator 20；Width along vehicle
Degree direction, has the second gap B between sill strip 30 and accumulator 20, electric vehicle driving process produces
Raw road is hot-tempered and the hot-tempered meeting of wind is by the second gap B, and this partial noise part is absorbed by sound-absorption vibration-reduction pad 40,
Some noise is transferred directly to body platform 10, is then transferred to driving cabin, affects in driving cabin
The comfort of occupant.
For promoting car load acoustical behavior, in the present embodiment, the second gap B is provided with sealing ring 50, this
In embodiment, sealing ring 50 is set on the outer peripheral face of accumulator 20, sealing ring 50 respectively with accumulator
20 and sill strip 30 interference fit to increase sealing, and the upper table of sealing ring 50 slightly above accumulator 20
Face, and fit with the side of sound-absorption vibration-reduction pad 40.So, electric vehicle driving process produce road hot-tempered and
Wind is hot-tempered will not be transferred to body platform 10 by the second gap B, has been effectively blocked the bang path of noise,
Improve the car load acoustical behavior of electric vehicle.
In prior art, owing to body platform is one of main path of being delivered in driving cabin of outside noise.
For promoting the acoustical behavior of car load, can lay carpet on body platform, carpet typically uses hard formation cotton felt
Add PU foaming or hard formation cotton felt adds soft formation cotton felt, and the laying area of PU foaming or soft formation cotton felt is relatively
Greatly, the weight causing carpet is very big, is unfavorable for the lightweight development of vehicle body.
This utility model embodiment, by arranging sound-absorption vibration-reduction pad 40 and second in the first gap A
Gap B arranges sealing ring 50, improves the acoustical behavior of car load；Avoid on body platform 10 upper berth
If the lightweight of large-area carpet, beneficially vehicle body.
Test shows, in the present embodiment, arranges sound-absorption vibration-reduction pad 40 and second in the first gap A
Gap B arranges sealing ring 50, and on body platform 10, does not lays large-area carpet, this enforcement
The car load acoustical behavior of the electric vehicle of example has also reached to lay on body platform in prior art large area
Carpet time car load acoustical behavior, even the car load acoustical behavior of the electric vehicle of the present embodiment is also higher than
The car load acoustical behavior of prior art.
In other embodiments, the material of the carpet on body platform is soft formation cotton felt and hard formation cotton felt；Or
Person, the material of the carpet on body platform is PU foaming and hard formation cotton felt.So can promote electricity further
The car load acoustical behavior of motor-car.
Although this utility model discloses as above, but this utility model is not limited to this.Any this area skill
Art personnel, without departing from spirit and scope of the present utility model, all can make various changes or modifications, because of
This protection domain of the present utility model should be as the criterion with claim limited range.
Claims (6)
1. an electric vehicle, it is characterised in that including:
Body platform, is used for laying carpet；
Accumulator, is positioned at the lower section of body platform, has between described accumulator and described body platform
One gap, is provided with sound-absorption vibration-reduction pad in described first gap.
2. electric vehicle as claimed in claim 1, it is characterised in that also include: sill strip, along described car
Width interval arrange, surround the battery bay accommodating described accumulator with described body platform；
Along the width of described vehicle, there is between described sill strip and described accumulator the second gap, institute
State in the second gap and be provided with sealing ring.
3. electric vehicle as claimed in claim 1, it is characterised in that described sound-absorption vibration-reduction pad is respectively with described
Accumulator and described body platform interference fit.
4. electric vehicle as claimed in claim 2, it is characterised in that described sealing ring respectively with described electric power storage
Pond and described sill strip interference fit.
5. electric vehicle as claimed in claim 1, it is characterised in that the thickness of described sound-absorption vibration-reduction pad is
10mm-15mm。
6. electric vehicle as claimed in claim 5, it is characterised in that the thickness of described sound-absorption vibration-reduction pad is
11.8mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620433516.XU CN205573835U (en) | 2016-05-12 | 2016-05-12 | Electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620433516.XU CN205573835U (en) | 2016-05-12 | 2016-05-12 | Electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205573835U true CN205573835U (en) | 2016-09-14 |
Family
ID=56856291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620433516.XU Expired - Fee Related CN205573835U (en) | 2016-05-12 | 2016-05-12 | Electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205573835U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972747A (en) * | 2017-12-11 | 2018-05-01 | 北京新能源汽车股份有限公司 | Floor assembly and electric automobile |
| CN108725603A (en) * | 2017-04-15 | 2018-11-02 | 奥迪股份公司 | The arrangement and method of vehicle body opening are closed in setting the bottom plate of motor vehicle of battery the bottom of with |
| CN113386545A (en) * | 2021-07-23 | 2021-09-14 | 岚图汽车科技有限公司 | Vibration and noise reduction device of battery pack cover plate of pure electric structure automobile |
| DE102022127016B3 (en) | 2022-10-14 | 2023-12-21 | Bayerische Motoren Werke Aktiengesellschaft | Electrically powered vehicle with a sealing device and method for producing a sealing device |
-
2016
- 2016-05-12 CN CN201620433516.XU patent/CN205573835U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725603A (en) * | 2017-04-15 | 2018-11-02 | 奥迪股份公司 | The arrangement and method of vehicle body opening are closed in setting the bottom plate of motor vehicle of battery the bottom of with |
| CN107972747A (en) * | 2017-12-11 | 2018-05-01 | 北京新能源汽车股份有限公司 | Floor assembly and electric automobile |
| CN107972747B (en) * | 2017-12-11 | 2023-12-19 | 北京新能源汽车股份有限公司 | Floor assembly and electric automobile |
| CN113386545A (en) * | 2021-07-23 | 2021-09-14 | 岚图汽车科技有限公司 | Vibration and noise reduction device of battery pack cover plate of pure electric structure automobile |
| CN113386545B (en) * | 2021-07-23 | 2022-11-18 | 岚图汽车科技有限公司 | Vibration and noise reduction device of battery pack cover plate of pure electric structure automobile |
| DE102022127016B3 (en) | 2022-10-14 | 2023-12-21 | Bayerische Motoren Werke Aktiengesellschaft | Electrically powered vehicle with a sealing device and method for producing a sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160914 |