CN215850801U - Noise reduction structure and charging pile - Google Patents

Noise reduction structure and charging pile Download PDF

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Publication number
CN215850801U
CN215850801U CN202121167262.9U CN202121167262U CN215850801U CN 215850801 U CN215850801 U CN 215850801U CN 202121167262 U CN202121167262 U CN 202121167262U CN 215850801 U CN215850801 U CN 215850801U
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China
Prior art keywords
arc
air
charging pile
sealing element
noise
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CN202121167262.9U
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Chinese (zh)
Inventor
丁钰铭
黄珏
朱翔
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Zhejiang Zhengtai Huineng Technology Co ltd
Zhejiang Chint Electrics Co Ltd
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Zhejiang Zhengtai Huineng Technology Co ltd
Zhejiang Chint Electrics Co Ltd
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Priority to CN202121167262.9U priority Critical patent/CN215850801U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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Abstract

The noise reduction structure comprises a plurality of arc-shaped frames arranged at intervals and an air filter layer wound on the arc-shaped frames, wherein one side of the inner arc of each arc-shaped frame faces to a noise source; the arc frame plays the supporting role for air filter layer, and air filter layer filters the cooling air that gets into, improves the purity degree of entering air, and the inner arc of arc frame plays refraction and attenuation to noise vibration ripples towards noise vibration ripples source direction, reaches the effect of making an uproar of falling. In addition, the utility model also provides a charging pile comprising the noise reduction structure.

Description

Noise reduction structure and charging pile
Technical Field
The utility model relates to the field of charging pile facilities, in particular to a noise reduction structure and a charging pile.
Background
At present electric automobile power storage capacity constantly increases to also constantly increasing quick electric demand, there is super quick charging pile, the extremely fast user demand who fills electric pile that dodges in market.
In order to fully charge the large-capacity electric automobile in a short time, a charging pile with high power or even ultrahigh power needs to be configured. The charging pile increases along with the whole power, because of energy conversion loss existing in the charging process, the calorific capacity generated in the charging process also increases, the calorific capacity generated in the charging process of the charging pile also increases, sometimes, the charging pile is serious in temperature rise, in order to reduce the rapid temperature rise of the charging pile, a strong air supply cooling mode is generally adopted, a motor is adopted to drive a fan impeller to rotate at a high speed in the operation of a strong air supply cooling system, the fan impeller rotating at a high speed rubs with air to generate noise, in addition, vibration generated by a cooling fan rotating at a high speed and rapidly flowing air enters a protection grid plate and an air filter screen to generate vibration, airflow impact generated by the rapidly flowing air entering an air channel generates vibration, and the vibration sources cause an equipment shell to generate resonance together, so that various vibration noises are mutually superposed.
At present, the electric automobile fills electric pile and uses the special rectifier module combined work of a plurality of electric automobile, and the special rectifier module 20KW of single electric automobile to the power that varies 40KW, fills the complete machine of electric pile and form a complete set power and reach 600KW, has bigger complete machine power even. The special rectifier modules for the electric automobile are cooled by strong air supply, the cooling fans of the rectifier modules are installed at the air inlets of the rectifier modules, the cooling fans rotate at high speed during working, and generated noise is transmitted outwards through the cooling air inlets of the charging equipment. The noise that electric pile produced when charging for electric automobile is too big.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a noise reduction structure and a charging pile with simple structure and good noise reduction performance.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a noise reduction structure, which is arranged close to a noise source and comprises a plurality of arc-shaped frames arranged at intervals and an air filter layer wound on the arc-shaped frames;
one side of the inner arc of the arc frame faces the noise source.
Preferably, the plurality of arc-shaped frames are arranged in multiple rows, and the arc-shaped frames in two adjacent rows are arranged in a staggered manner.
Preferably, the plurality of arc-shaped frames are arranged in two rows, and the air filter layers are wound between the two rows of arc-shaped frames in an S shape; and the air filter layer is wound from the inner arc side of one arc-shaped frame in one row to the outer arc side of the corresponding arc-shaped frame in the other row.
Preferably, the cross section of the arc frame is any one of a semicircular shape, a C shape, a fan shape and an M shape.
Preferably, the air filter layer is an air filter lint.
The utility model also provides a charging pile, which comprises a charging pile shell, an air inlet side, an air outlet side, an air cooling device arranged in the charging pile shell and the noise reduction structure;
the air cooling device is a noise source generating device;
fill electric pile's air inlet side and air-out side and be equipped with respectively and fall the structure of making an uproar, the structure of making an uproar falls in air inlet side and air-out side locates air cooling device's the outside of admitting air and exhausting respectively.
Preferably, at least one of the air inlet side and the air outlet side is provided with a side door, and the side door can be opened to maintain the charging pile;
the side door is equipped with the sealing member that is used for sealed with filling electric pile casing inside bottom and/or inboard top relevant position.
Preferably, the seal is an elastomeric seal; the sealing element comprises a sealing element upper part and a sealing element lower part, the sealing element upper part faces the bottom of the side door, the sealing element lower part faces the inner side bottom and/or the inner side top of the charging pile shell, one side of the sealing element upper part facing the side door is an arc surface, and one side of the sealing element lower part facing the inner side bottom and/or the inner side top of the charging pile shell is a plane;
the seal upper portion includes at least one semi-circular through hole and the seal lower portion includes at least one square through hole.
Preferably, the seal is a rubber seal.
Preferably, the charging pile further comprises a rectifying module arranged in the middle of the charging pile shell;
the air cooling device comprises a cooling fan arranged at a cooling air inlet end of the rectification module and a heat dissipation fan at an air outlet side, and the cooling air inlet end is close to the air inlet side.
Preferably, fill electric pile casing internal setting C type stand, the C type inslot packing of C type stand is filled with anti vibration damping absorbing material layer.
The noise reduction structure comprises a plurality of arc-shaped frames arranged at intervals and an air filter layer wound on the arc-shaped frames, wherein one side of the inner arc of each arc-shaped frame faces to a noise source; the arc frame plays the supporting role for air filter layer, and air filter layer filters the cooling air that gets into, improves the purity degree of entering air, and the inner arc of arc frame plays refraction and attenuation to noise vibration ripples towards noise vibration ripples source direction, reaches the effect of making an uproar of falling.
In addition, air filter layer plays the filtering action to the cooling air that gets into, and a plurality of arc framves are the branch row setting, and crisscross setting between the arc frame of two adjacent rows, air filter layer S type twine between two rows of arc frames, increase air filter layer' S adsorption area to cooling air, increase damping attenuation effect to the vibration wave.
Furthermore, fill the inside of electric pile and set up C type stand, and the C type inslot packing of C type stand is filled with anti vibration damping absorbing material layer, has the attenuation to the vibration wave that radiates its surface.
Drawings
Fig. 1 is a schematic front view of a charging pile according to the present invention;
FIG. 2 is a cross-sectional view of the present invention taken along the line A-A of FIG. 1;
fig. 3 is a schematic side view of a charging pile according to the utility model;
FIG. 4 is a cross-sectional view of the present invention taken along the line B-B of FIG. 1;
FIG. 5 is a schematic structural view of a noise reduction structure of the present invention;
FIG. 6 is a schematic structural view of an arcuate frame of the present invention;
fig. 7 is a schematic view of the structure of the seal of the present invention.
Detailed Description
The following describes the noise reduction structure and the charging post according to the present invention with reference to the embodiments shown in fig. 1 to 7. The noise reduction structure and charging post of the present invention are not limited to the description of the following embodiments.
The following description will be given of the embodiments of the present application taking a charging pile for charging an electric vehicle as an example.
As shown in fig. 1-4, the present invention provides a charging pile. Including filling electric pile casing 1, the air inlet side, the air-out side with set up in filling the air cooling plant in electric pile casing 1 and fill the rectifier module 6 that the middle part set up in electric pile casing 1. Wherein, the air cooling device is a noise source generating device.
As shown in fig. 4, the air cooling device includes a cooling fan 11 disposed at a cooling air inlet end of the rectifier module 6, which is close to the air inlet side, and a heat radiation fan 7 disposed at the air outlet side. The cooling fan 11 arranged at the cooling air inlet end of the rectifier module 6 blows a large amount of cooling air rapidly through the cooling fan, and the cooling effect of forced cold air supply is achieved. And the cooling fan 7 plays a role in cooling and exhausting in the charging pile. Wherein, the noise that cooling fan 11 and radiator fan 7 produced when operation is the main noise source of filling electric pile.
As shown in fig. 4, the cooling fan 7 and the cooling fan 11 of the present invention are located on two sides of the rectifier module 6, in order to reduce noise generated by the cooling fan 7 and the cooling fan 11 during operation, noise reduction structures are respectively arranged on the air inlet side and the air outlet side of the charging pile of the present invention, and the noise reduction structures on the air inlet side and the air outlet side are respectively arranged on the air inlet side and the air outlet side of the air cooling device, that is, a noise reduction structure is respectively arranged between the cooling fan 11 and the air inlet side and between the cooling fan 7 and the air outlet side. According to the utility model, the noise reduction structure is respectively arranged on the air inlet side and the air outlet side of the charging pile, so that the noise reduction performance of the charging pile is improved.
As shown in fig. 5 and 6, the noise reduction structure of the present invention has a schematic structural diagram. The noise reduction structure is arranged close to a noise source and comprises a plurality of arc-shaped frames 9 arranged at intervals and an air filter layer 10 wound on the arc-shaped frames 9; the inner arc side of the arc frame 9 faces the noise source and, as shown in fig. 6, the inner arc of the arc frame 9 forms the inner side of the arc groove rather than the outer side of the arc protrusion. The noise reduction structure comprises a plurality of arc-shaped frames arranged at intervals and an air filter layer wound on the arc-shaped frames, wherein one side of the inner arc of each arc-shaped frame faces to a noise source; the arc frame plays the supporting role for air filter layer, and air filter layer filters the cooling air that gets into, improves the purity degree of entering air, and the inner arc of arc frame plays refraction and attenuation to noise vibration ripples towards noise vibration ripples source direction, reaches the effect of making an uproar of falling.
It should be noted that the carrier of the arc-shaped frame 9 may be a universal grid plate 2.
Specifically, the arc frames 9 are arranged in multiple rows, and the arc frames 9 in two adjacent rows are arranged in a staggered manner. The arc-shaped frames 9 of two adjacent rows are arranged in a staggered mode, so that the air filtering layers 10 can be conveniently wound on the arc-shaped frames 9 of each row. It should be noted that a single row of arc-shaped frames 9 may also be provided, and the arrangement of the single row of arc-shaped frames 9 and the multiple rows of arc-shaped frames 9 will be described in detail in the following embodiments. Arc frame 9 and air filter layer 10 set up along the fore-and-aft direction that fills electric pile.
In an alternative embodiment, a plurality of arcuate shelves 9 are spaced in a single row. The air filter layer 10 is wound from the inner arc side of one arc-shaped frame 9 to the outer arc side of the adjacent arc-shaped frame 9 in an S shape until all the arc-shaped frames 9 are wound. Of course, the air filtration layer 10 may be wound one or more times. The air filter layer plays a filtering role in entering cooling air, the plurality of arc-shaped frames are arranged in rows, the arc-shaped frames in two adjacent rows are arranged in a staggered mode, the air filter layer S-shaped is wound between the two rows of arc-shaped frames, the adsorption area of the air filter layer to the cooling air is increased, and the damping and attenuation effects on vibration waves are increased.
In another optional embodiment, the plurality of arc-shaped frames 9 are arranged in two rows, and the air filter layer 10 is wound between the two rows of arc-shaped frames 9 in an S shape; the air filter layer 10 is S-wound from the inner arc side of one arc frame 9 of one row to the outer arc side of the corresponding arc frame 9 of the other row. The air filter layer plays a filtering role in entering cooling air, the plurality of arc-shaped frames are arranged in rows, the arc-shaped frames in two adjacent rows are arranged in a staggered mode, the air filter layer S-shaped is wound between the two rows of arc-shaped frames, the adsorption area of the air filter layer to the cooling air is increased, and the damping and attenuation effects on vibration waves are increased.
Preferably, the arc frame 9 has a cross section of any one of a semicircular shape, a C-shape, a fan shape, and an M-shape. The air filter layer 10 is made of air filter flannelette, and other materials having a good air filtering performance, such as nonwoven fabric, synthetic fiber filter material, and glass fiber filter material, may be selected as the air filter layer 10.
Referring to fig. 1 and 4, the whole external structure of the charging pile is a cuboid cabinet. Fill electric pile's right side and be the air inlet side, fill electric pile's left side and be the air-out side, fill electric pile's front side and be the side of charging, set up in the front side that fills electric pile for electric automobile's the rifle that charges. Obviously, the position of air inlet side and air outlet side also can exchange, and the position of each component in corresponding adjustment stake of charging can.
As shown in fig. 1 and 3, at least one of the air inlet side and the air outlet side of the charging pile of the present invention is provided with a side door 5, and the side door 5 can be opened for maintenance of the charging pile. Wherein, can set up side door 5 in the one side of the air inlet side of filling electric pile or air-out side, also can all set up side door 5 in the both sides of the air inlet side of filling electric pile and air-out side, be convenient for more maintain the inside left and right sides component of filling electric pile.
As shown in fig. 2 and 4, a C-shaped pillar 4 is arranged in the charging pile housing 1, and a C-shaped groove of the C-shaped pillar 4 is filled with an anti-vibration damping absorbing material layer 3. Fill electric pile casing 1 and adopt C type stand to consolidate and handle, the C type inslot packing of C type stand 4 has anti-vibration damping absorbing material layer 3, reduces equipment and other vibration sources and produces resonance together, the noise reduction transmission. The inner wall of the inner part of the device is provided with anti-vibration damping absorption materials, so that the attenuation of internal vibration waves is enhanced, and the outward diffusion of internal noise is reduced. In addition, after the arc-shaped frame 9 rebounds and refracts noise, the vibration waves rebounded and refracted by rebounding collide with the anti-vibration damping absorption material on the inner wall of the equipment to be attenuated, so that the purpose of reducing noise is achieved.
As shown in fig. 4 and 7, the side door 5 is provided with a sealing member 8 for sealing at a position corresponding to the inner bottom and/or the inner top of the charging pile housing 1. Sealing member 8 is located and is filled electric pile casing 1 inboard bottom and/or inboard top and 5 complex closejoints edges of side door, plays dustproof, rain-proof water, falls the effect of making an uproar. As shown in fig. 3, be equipped with the louver ventilation mesh that rain-proof water got into on the side door, play the initial effect guard action in filling electric pile.
In particular, the seal 8 is an elastic seal; the sealing member 8 comprises a sealing member upper part 81 and a sealing member lower part 82, the sealing member upper part 81 faces the bottom of the side door 5, the sealing member lower part 82 faces the inner bottom and/or the inner top of the charging pile shell 1, one side of the sealing member upper part 81 facing the side door 5 is an arc surface, and one side of the sealing member lower part 82 facing the inner bottom and/or the inner top of the charging pile shell 1 is a plane.
Optionally, the seal upper portion 81 includes at least one semi-circular through hole 802 and the seal lower portion 82 includes at least one square through hole 801. As shown in fig. 7, the upper seal member 81 includes two semicircular through holes 802 and the lower seal member 82 includes three square through holes 801, as shown in fig. 7. It should be noted that the structure and material of the sealing member 8 are not limited in the present application, and the structure and material of the sealing member 8 may be adjusted according to actual conditions.
Alternatively, the seal 8 is a rubber seal, obviously, the seal 8 may also be a seal of other materials, for example, a thermoplastic elastomer.
The working principle of the charging pile of the present invention will be described in detail with reference to fig. 1 to 7.
When electric automobile need charge, will fill electric pile's the rifle that charges and aim at the mouth that charges that inserts electric automobile. In the process of charging the electric automobile by the charging pile, a cooling fan 11 arranged at a cooling air inlet end of the rectifying module 6 blows a large amount of cooling air rapidly through the cooling fan, so that a strong cold air cooling effect is achieved; and the cooling fan 7 plays a role in cooling and exhausting in the charging pile. The air filter layer filters the entering cooling air, and improves the purity of the entering air. The noise generated when the cooling fan 11 and the heat dissipation fan 7 operate is a main noise source of the charging pile. One side of the inner arc of the arc frame faces the noise source; the arc frame plays the supporting role for air filter layer, and air filter layer filters the cooling air that gets into, improves the purity degree of entering air, and the inner arc of arc frame plays refraction and attenuation to noise vibration ripples towards noise vibration ripples source direction, reaches the effect of making an uproar of falling. The air filter layer plays a filtering role in entering cooling air, the plurality of arc-shaped frames are arranged in rows, the arc-shaped frames in two adjacent rows are arranged in a staggered mode, the air filter layer S-shaped is wound between the two rows of arc-shaped frames, the adsorption area of the air filter layer to the cooling air is increased, and the damping and attenuation effects on vibration waves are increased. After the arc-shaped frame 9 rebounds and refracts noise, the vibration waves rebounded and refracted by rebounding collide with the vibration-resistant damping absorption material on the inner wall of the equipment to be attenuated, so that the purpose of reducing noise is achieved.
After filling electric pile trouble, open the side door 5 of filling electric pile both sides and maintain the internal component of filling electric pile. Wherein, side door 5 and fill electric pile casing 1 inboard bottom and/or inboard top relevant position and be equipped with and be used for sealed sealing member 8. Sealing member 8 is located and is filled electric pile casing 1 inboard bottom and/or inboard top and 5 complex closejoints edges of side door, plays dustproof, rain-proof water, falls the effect of making an uproar.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (11)

1. A noise reduction structure disposed proximate to a source of noise, characterized in that: comprises a plurality of arc-shaped frames (9) arranged at intervals and an air filter layer (10) wound on the arc-shaped frames (9);
one side of the inner arc of the arc-shaped frame (9) faces the noise source.
2. A noise reducing structure according to claim 1, characterized in that: the arc-shaped frames (9) are arranged in multiple rows, and the arc-shaped frames (9) in two adjacent rows are arranged in a staggered manner.
3. A noise reducing structure according to claim 2, characterized in that: the arc-shaped frames (9) are arranged in two rows, and the air filter layer (10) is wound between the two rows of arc-shaped frames (9) in an S shape; the air filter layer (10) is wound in an S shape from one side of the inner arc of one arc-shaped frame (9) in one row to one side of the outer arc of the corresponding arc-shaped frame (9) in the other row.
4. A noise reducing structure according to claim 1, characterized in that: the section of the arc-shaped frame (9) is any one of a semicircular type, a C type, a fan shape and an M type.
5. A noise reducing structure according to claim 1, characterized in that: the air filtering layer (10) is made of air filtering flannelette.
6. The utility model provides a fill electric pile which characterized in that: the noise reduction structure comprises a charging pile shell (1), an air inlet side, an air outlet side, an air cooling device arranged in the charging pile shell (1) and the noise reduction structure as claimed in any one of claims 1 to 4;
the air cooling device is a noise source generating device;
fill electric pile's air inlet side and air-out side and be equipped with respectively and fall the structure of making an uproar, the structure of making an uproar falls in air inlet side and air-out side locates air cooling device's the outside of admitting air and exhausting respectively.
7. A charging pile according to claim 6, characterized in that: at least one of the air inlet side and the air outlet side is provided with a side door (5), and the side door (5) can be opened to maintain the charging pile;
side door (5) are equipped with and are used for sealed sealing member (8) with filling electric pile casing (1) inboard bottom and/or inboard top relevant position.
8. A charging pile according to claim 7, characterized in that: the sealing element (8) is an elastic sealing element; the sealing element (8) comprises a sealing element upper part (81) and a sealing element lower part (82), the sealing element upper part (81) faces the bottom of the side door (5), the sealing element lower part (82) faces the inner bottom and/or the inner top of the charging pile shell (1), one side, facing the side door (5), of the sealing element upper part (81) is an arc surface, and one side, facing the inner bottom and/or the inner top of the charging pile shell (1), of the sealing element lower part (82) is a plane;
the upper seal part (81) comprises at least one semicircular through hole (802) and the lower seal part (82) comprises at least one square through hole (801).
9. A charging pile according to claim 7 or 8, characterized in that: the sealing element (8) is a rubber sealing element.
10. A charging pile according to claim 6, characterized in that: the charging pile further comprises a rectifying module (6) arranged in the middle of the charging pile shell (1);
the air cooling device comprises a cooling fan (11) arranged at a cooling air inlet end of the rectifying module (6) and a heat radiation fan (7) arranged at an air outlet side, wherein the cooling air inlet end is close to the air inlet side.
11. A charging pile according to claim 6, characterized in that: fill and set up C type stand (4) in electric pile casing (1), the C type inslot intussuseption of C type stand (4) is filled with anti-vibration damping absorbing material layer (3).
CN202121167262.9U 2021-05-27 2021-05-27 Noise reduction structure and charging pile Active CN215850801U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121167262.9U CN215850801U (en) 2021-05-27 2021-05-27 Noise reduction structure and charging pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121167262.9U CN215850801U (en) 2021-05-27 2021-05-27 Noise reduction structure and charging pile

Publications (1)

Publication Number Publication Date
CN215850801U true CN215850801U (en) 2022-02-18

Family

ID=80317166

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121167262.9U Active CN215850801U (en) 2021-05-27 2021-05-27 Noise reduction structure and charging pile

Country Status (1)

Country Link
CN (1) CN215850801U (en)

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