CN215360978U

CN215360978U - Sound insulation system

Info

Publication number: CN215360978U
Application number: CN202121071427.2U
Authority: CN
Inventors: 吴杰; 岳兴
Original assignee: Shenzhen Infypower Co ltd
Current assignee: Shenzhen Infypower Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-31
Anticipated expiration: 2031-05-18

Abstract

The utility model provides a sound insulation system which comprises a sound insulation cover, wherein the sound insulation cover is connected to a charging pile, a ventilation air channel is formed in the inner side of the sound insulation cover, the charging pile is communicated with the outside through the ventilation air channel, the ventilation air channel is provided with a first corner, and sound absorption cotton covers the inner side wall surface of the sound insulation cover. The sound-proof housing with fill electric pile cooperation, have a sudden change, the ventilation duct that turns to, all cover on the sound-absorbing housing inside wall face and inhale the sound cotton, constituted the sound system of inhaling that accords with the principle of "impedance combined type silencer", satisfy when filling electric pile and external environment ventilation cooling, through the sound effect of inhaling of sound-proof housing, reduce the noise that the system passed to in the external environment.

Description

Sound insulation system

Technical Field

The utility model relates to an electric automobile charging system, in particular to a sound insulation system.

Background

Along with the development of electric automobiles, the demand of charging equipment is rapidly increased, and more manufacturers are added to the development and production of charging equipment. The direct current in the existing market fills electric pile heat dissipation mode and still gives first place to direct ventilation forced air cooling, and direct ventilation's heat dissipation mode can produce the noise, and the noise has been avoided not passing to the external world. The noise of most charging piles seriously exceeds the standard and does not meet the standard requirement. With the increase of customer complaints about the noise of charging piles, more and more manufacturers are aware of the necessity of solving the noise problem. The existing solution has two aspects, on one hand, a larger installation space is needed, and a sound insulation barrier is additionally arranged on the charging equipment; on the other hand, the output power of the charging equipment is reduced, and the system cannot run at full power; the above solutions cannot meet the current requirements.

The utility model aims to provide a sound insulation system, which reduces the noise transmitted to the external environment by the sound absorption function of a sound insulation cover.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the embodiment of the utility model is as follows: the existing charging pile sound-proof housing either needs a large installation space or cannot run at full power, and cannot meet the requirements of customers.

In order to solve the technical problem, the embodiment of the utility model adopts the following technical scheme:

the utility model provides a sound insulation system which comprises a sound insulation cover, wherein the sound insulation cover is connected to a charging pile, a ventilation air channel is formed in the inner side of the sound insulation cover, the charging pile is communicated with the outside through the ventilation air channel, the ventilation air channel is provided with a first corner, and sound absorption cotton covers the inner side wall surface of the sound insulation cover.

Further, the sound-proof housing is rectangular shape, the sound-proof housing with the air intake has been seted up to the first terminal surface of filling the electric pile butt, the sound-proof housing with the air outlet has been seted up to the adjacent second terminal surface of first terminal surface, the second terminal surface with fill the perpendicular setting of electric pile, first terminal surface with the second terminal surface forms the second turning.

Furthermore, the air inlet is connected with a first air channel and a second air channel in sequence along the air inlet direction, the joint of the first air channel and the second air channel forms a first corner, and the second air channel is communicated with the air outlet.

Furthermore, the number of the air outlets is at least two, the two air outlets are sequentially arranged on the second end face of the sound-proof housing, and a spacer is arranged between the at least two air outlets.

Further, the area of the air inlet is larger than that of the air outlet.

Further, the sound-proof housing has a polygonal cross section.

Further, the sound-proof housing is attached to the surface of the charging pile.

The embodiment of the utility model has the beneficial effects that: the utility model provides a sound insulation system which comprises a sound insulation cover, wherein the sound insulation cover is connected to a charging pile, a ventilation air channel is formed in the inner side of the sound insulation cover, the charging pile is communicated with the outside through the ventilation air channel, the ventilation air channel is provided with a first corner, and sound absorption cotton covers the inner side wall surface of the sound insulation cover. The sound-proof housing with fill electric pile cooperation, have a sudden change, the ventilation duct that turns to, all cover on the sound-absorbing housing inside wall face and inhale the sound cotton, constituted the sound system of inhaling that accords with the principle of "impedance combined type silencer", satisfy when filling electric pile and external environment ventilation cooling, through the sound effect of inhaling of sound-proof housing, reduce the noise that the system passed to in the external environment.

Drawings

The detailed structure of the embodiment of the utility model is described in detail below with reference to the accompanying drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a sound enclosure according to an embodiment of the present invention;

fig. 3 is an air flow diagram of a ventilation duct according to an embodiment of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

Referring to fig. 1 to 3, the present invention provides a sound insulation system, which includes a sound insulation cover 1, wherein the sound insulation cover 1 is connected to a charging pile 2, a ventilation air duct 11 is disposed inside the sound insulation cover 1, the charging pile 2 is communicated with the outside through the ventilation air duct 11, the ventilation air duct 11 has a first corner 12, and sound absorption cotton is covered on an inner side wall surface of the sound insulation cover 1.

In this embodiment, sound-proof housing 1 and the cooperation of filling electric pile 2, have a sudden change, the ventilation duct 11 that turns to, all cover on the 1 inside wall face of sound-proof housing and inhale the sound cotton, the sound system of inhaling that accords with the principle of "impedance combined type silencer" has been constituted, and inhale the sound cotton and can make sound offset better in ventilation duct 11, play better amortization, when satisfying charging electric pile 2 and external environment ventilation cooling, through the effect of inhaling of sound-proof housing 1, the noise that the reduction system passed to in the external environment.

Further, sound-proof housing 1 is rectangular shape, and the air intake has been seted up with the first terminal surface 13 that fills electric pile 2 butt to sound-proof housing 1, and air outlet 15 has been seted up with the adjacent second terminal surface 14 of first terminal surface 13 to sound-proof housing 1, and second terminal surface 14 sets up with filling electric pile 2 is perpendicular, and first terminal surface 13 forms the second turning with second terminal surface 14.

Furthermore, the air inlet is sequentially connected with a first air channel 01 and a second air channel 02 along the air inlet direction, a first corner 12 is formed at the joint of the first air channel 01 and the second air channel 02, and the second air channel 02 is communicated with the air outlet 15; at least two air outlets 15 are arranged, the two air outlets 15 are sequentially arranged on the second end face 14 of the sound-proof housing 1, and a partition piece 16 is arranged between the at least two air outlets 15; the area of the air inlet is larger than that of the air outlet 15.

In this embodiment, the sound-proof housing 1 is connected with the air inlet outlet of the charging pile 2 through the air inlet, the air inlet outlet, the first air duct 01 and the second air duct 02 form a sudden-change and turning ventilation air duct 11, the inner side wall surface is completely covered with sound-absorbing cotton, the air inlet is far away from the air outlet 15, the area of the air inlet is far greater than that of the air outlet 15, and a sound-absorbing device conforming to the principle of an impedance combined type silencer is formed. The sound enters from the air inlet of the sound-proof housing 1, is transmitted to the external environment from the air outlet 15 of the sound-proof housing 1, and is absorbed by the sound-proof housing 1, so that the sound transmitted to the external environment is reduced.

Further, the soundproof cover 1 has a polygonal cross section. In this embodiment, the cross section of the soundproof cover 1 is a polygon formed by a plurality of lines connected end to end, and corners exist at the joints of the lines to form turning and abrupt cross sections, so as to better match with the ventilation duct 11 to play a role of impedance and noise reduction.

Further, the sound-proof housing 1 is attached to the surface of the charging pile 2. In this embodiment, sound-proof housing 1 closely cooperates with charging pile 2, when having guaranteed that charging pile 2's sound passes to external environment from the system inside, can not reveal owing to there is the clearance, has reduced the direct condition that passes to external environment of noise and has taken place.

In summary, the sound insulation system provided by the utility model adopts the principle of an impedance combined muffler, and greatly reduces the noise transmitted to the external environment by the sound absorption function of the sound insulation cover, thereby solving the noise problem from the source. The output power of the system is not reduced, and the trouble of noise interference is solved without any additional investment.

It is further noted that, in the present disclosure, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined in this disclosure may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sound insulation system characterized by: including the sound-proof housing, the sound-proof housing is connected in filling electric pile, the wind channel that ventilates has been seted up to the sound-proof housing inboard, it passes through to fill electric pile wind channel and external intercommunication, the wind channel that ventilates has first turning, the inside wall facing of sound-proof housing has the sound of inhaling cotton.

2. A sound insulating system according to claim 1, wherein: the sound-proof housing is rectangular shape, the sound-proof housing with the air intake has been seted up to the first terminal surface of filling the electric pile butt, the sound-proof housing with the air outlet has been seted up to the adjacent second terminal surface of first terminal surface, the second terminal surface with fill the perpendicular setting of electric pile, first terminal surface with the second terminal surface forms the second turning.

3. A sound insulating system according to claim 2, wherein: the air inlet is followed the air inlet direction is connected with first wind channel and second wind channel in order, first wind channel with second wind channel junction forms first turning, the second wind channel with the air outlet intercommunication.

4. A sound insulating system according to claim 3, wherein: the sound-proof housing is provided with a second end face, at least two air outlets are arranged on the second end face of the sound-proof housing in sequence, and a spacing piece is arranged between the at least two air outlets.

5. A sound insulation system as set forth in claim 4 wherein: the area of the air inlet is larger than that of the air outlet.

6. A sound insulation system as set forth in claim 5 wherein: the cross section of the sound-proof shield is polygonal.

7. A sound insulating system according to claim 6, wherein: the sound-proof housing is attached to the surface of the charging pile.