CN107949249B - Sound insulation and noise reduction cooling device for large and medium charging station - Google Patents
Sound insulation and noise reduction cooling device for large and medium charging station Download PDFInfo
- Publication number
- CN107949249B CN107949249B CN201711224626.0A CN201711224626A CN107949249B CN 107949249 B CN107949249 B CN 107949249B CN 201711224626 A CN201711224626 A CN 201711224626A CN 107949249 B CN107949249 B CN 107949249B
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- sound absorption
- cover
- sound
- shell
- hole
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- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 230000009467 reduction Effects 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000011491 glass wool Substances 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000013329 compounding Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- 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
Abstract
The invention relates to a sound insulation noise reduction cooling device for a large and medium charging station. The novel solar energy collector is characterized by comprising a base, wherein a shell is arranged on the base, a sound insulation door is arranged on the front side of the shell, a first hole is formed in the sound insulation door, and an air inlet box is arranged in the first hole. The upper part of the back wall of the shell is provided with a second hole, an exhaust fan is arranged in the second hole, and a guide cover is arranged outside the exhaust fan. The upper wall and the two side walls of the air guide sleeve are connected with the rear wall of the shell, and an exhaust port is arranged between the lower side of the air guide sleeve and the rear wall. The shell and the air guide sleeve are formed by compounding the sound absorption layer and the outer layers on the two sides of the sound absorption layer. The sound absorption layer is a glass wool board, and the outer layer is a steel board. The top plate of the shell is provided with an air outlet hole, an exhaust window is arranged on the top plate, and an air inlet at the bottom of the exhaust window is communicated with the air outlet hole on the top plate. By adopting the sound insulation and noise reduction cooling device for the large and medium charging stations, adverse effects on the health of surrounding personnel can be eliminated.
Description
Technical Field
The invention relates to a large and medium charging station. In particular to a sound insulation noise reduction cooling device for reducing noise and cooling a large and medium charging station.
Background
With the advent of new energy automobiles, traffic authorities have set up a large number of charging stations in urban traffic lanes, and transformers are disposed in the charging stations. When the charging station is used for rapidly charging the automobile, the output current of the transformer is 15-30 times of the rated current of the transformer. At this current, the transformer generates up to 75-85 db of magnetic noise. The outward propagation and diffusion of this noise can affect the health of surrounding personnel.
Disclosure of Invention
The invention aims to solve the problem of providing a sound insulation noise reduction cooling device for a large and medium charging station. By adopting the sound insulation and noise reduction cooling device for the large and medium charging stations, adverse effects on the health of surrounding personnel can be eliminated.
The above problems to be solved by the present invention are realized by the following technical solutions:
the invention relates to a sound insulation noise reduction cooling device for a large and medium charging station, which is characterized by comprising a base, wherein a shell is arranged on the base, a sound insulation door is arranged on the front side of the shell, a first hole is formed in the sound insulation door, and an air inlet box is arranged in the first hole. The upper part of the back wall of the shell is provided with a second hole, an exhaust fan is arranged in the second hole, and a guide cover is arranged outside the exhaust fan. The upper wall and the two side walls of the air guide sleeve are connected with the rear wall of the shell, and an exhaust port is arranged between the lower side of the air guide sleeve and the rear wall. The shell and the air guide sleeve are formed by compounding the sound absorption layer and the outer layers on the two sides of the sound absorption layer. The sound absorption layer is a glass wool board, and the outer layer is a steel board. The top plate of the shell is provided with an air outlet hole, the top plate is provided with an exhaust box, and an air inlet at the bottom of the exhaust box is communicated with the air outlet hole on the top plate.
In a further development of the invention, the upper wall of the air guide sleeve is flush with the ceiling of the housing, and the cover bottom of the air guide sleeve is shorter than the rear wall of the housing.
According to a further improvement scheme of the invention, the air inlet box comprises a sound absorption block, wherein flat holes which are parallel to each other are formed in the sound absorption block, and an outer cover and an inner cover are respectively arranged on the outer side and the inner side of the sound absorption block. The vertical edge and the upper edge of the opening of the outer cover are connected with the corresponding edges of the sound absorption blocks, and an air inlet which is convenient for natural wind to enter is arranged between the lower edge of the opening of the outer cover and the sound absorption blocks. Four corners of the opening of the inner cover are connected with four corners of the sound absorption block by short pipes, so that a space serving as an exhaust port is reserved between the opening of the inner cover and the periphery of the sound absorption block. The inner cover is internally provided with a gas-collecting guide ring, one end of the gas-collecting guide ring is connected with the sound absorption block, and the flat holes are all positioned in the gas-collecting guide ring.
According to a further improvement of the invention, a baffle is arranged on one surface of the sound absorption block covered by the outer cover. The upper edge of the guide plate is connected to the sound absorption block between the lowest flat hole and the air inlet, and the lower edge of the guide plate is arranged in an upward inclined mode.
The invention further improves the scheme that the exhaust box comprises a bottom cover, the opening of the bottom cover faces upwards, an air inlet hole is arranged on the bottom of the bottom cover, and a supporting cylinder is arranged in the bottom cover. The upper end of the supporting cylinder is provided with a sound absorption cylinder, and the inner side of the sound absorption cylinder is provided with a sound absorption baffle plate relative to the cylinder wall. Opposite sides of the sound absorbing baffle: one side of the air duct is thicker than the other side, the thick sides of the air duct are connected to the cylinder walls of the corresponding sides, and the thin sides of the two sound absorption baffles are arranged in a cross-shaped opposite mode, so that the air duct between the two sound absorption baffles is S-shaped. A top cover is arranged above the sound absorption cylinder, the inner diameter of the top cover is larger than the outer diameter of the sound absorption cylinder, and the top cover opening and the upper end of the sound absorption cylinder are connected together by means of a cross brace, so that a first interval serving as an annular exhaust port is formed between the top cover opening and the periphery of the upper end of the sound absorption cylinder.
The invention further improves the scheme that the upper end and the lower end of the sound absorption cylinder are respectively connected with an outlet check ring and an inlet check ring, and a second interval is reserved between the upper end of the outlet check ring and the cover bottom of the top cover and between the lower end of the inlet check ring and the cover bottom of the bottom cover.
According to a further improvement scheme of the invention, the bottom cover, the sound absorption barrel, the sound absorption baffle plate and the top cover are all composed of a sound absorption layer and steel plates connected to two sides of the sound absorption layer.
In a further development of the invention, the sound-absorbing layer is a glass wool board.
In a further development of the invention, an annular filter screen is arranged in the first distance.
According to the scheme, the novel anti-vibration device comprises the base, the base is provided with the shell, the front side of the shell is provided with the sound insulation door, the sound insulation door is provided with the first hole, and the first hole is internally provided with the air inlet box. The upper part of the back wall of the shell is provided with a second hole, an exhaust fan is arranged in the second hole, and a guide cover is arranged outside the exhaust fan. The upper wall and the two side walls of the air guide sleeve are connected with the rear wall of the shell, and an exhaust port is arranged between the lower side of the air guide sleeve and the rear wall. The shell and the air guide sleeve are formed by compounding the sound absorption layer and the outer layers on the two sides of the sound absorption layer. The sound absorption layer is a glass wool board, and the outer layer is a steel board. The top plate of the shell is provided with an air outlet hole, the top plate is provided with an exhaust box, and an air inlet at the bottom of the exhaust box is communicated with the air outlet hole on the top plate. When the air conditioner works, external air enters the outer shell through the air inlet box on the sound insulation door, the air conditioner cools the charging station in the outer shell and then is divided into two paths, and one path of air is discharged from the air outlet between the lower side of the cover bottom and the rear wall after passing through the exhaust fan and the air guide cover. The other path is discharged from an annular exhaust port formed between the mouth of the top cover and the periphery of the upper end of the sound absorption cylinder after passing through the air outlet hole on the top plate, the exhaust box, the air inlet hole on the cover bottom, the S-shaped air channel between the sound absorption baffles at the two sides and the interval between the upper end of the outlet baffle ring and the cover bottom of the top cover. The noise generated during the working of the charging station is blocked under the action of the S-shaped air duct between the sound absorption baffles at the two sides, so that the noise is impacted and attenuated in the propagation process. And because the shell, the air guide sleeve, the air inlet box and the exhaust box are formed by compositing the outer layers of the two sides of the sound absorption layer and the sound absorption layer, when the air flow passes through, one part of noise is isolated, and the other part of noise is absorbed, so that the air flow with noise is attenuated again. Through twice attenuation, noise generated during operation of the charging station is greatly reduced, and adverse effects on health and normal life of surrounding residents are eliminated.
Drawings
Fig. 1 is a schematic structural view of a sound insulation noise reduction cooling device for a large and medium charging station;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the inlet box of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic diagram of the structure of the exhaust box in fig. 1.
Detailed Description
As shown in fig. 1 and 2, the sound insulation and noise reduction cooling device for the large and medium charging station of the invention comprises a base 1, wherein a housing 9 is arranged on the base 1, a sound insulation door is arranged on the front side of the housing 9, a first hole is processed on the sound insulation door, and an air inlet box 2 is arranged in the first hole. The upper part of the rear wall of the shell 9 is provided with a second hole, an exhaust fan 7 is arranged in the second hole, and a guide cover 6 is arranged outside the exhaust fan 7. The upper wall of the air guide sleeve 6 is flush with the top plate of the shell 9, and the cover bottom height of the air guide sleeve 6 is shorter than the rear wall height of the shell 9. The upper wall and the two side walls of the air guide sleeve 6 are connected with the rear wall of the shell 9, and an exhaust port 5 is formed between the lower side of the cover bottom of the air guide sleeve 6 and the rear wall. The shell 9 and the air guide sleeve 6 are formed by compounding an acoustic absorption layer and outer layers on two sides of the acoustic absorption layer. The sound absorption layer is a glass wool board, and the outer layer is a steel board. The top plate of the shell 9 is provided with an air outlet hole 8, the top plate is provided with an exhaust box 4, and an air inlet at the bottom of the exhaust box 4 is communicated with the air outlet hole on the top plate.
As shown in fig. 3 and fig. 4, the air inlet box 2 includes a sound absorbing block 205, three mutually parallel flat holes 206 are machined on the sound absorbing block 205, and an outer cover 204 and an inner cover 209 are respectively arranged on the outer surface and the inner surface of the sound absorbing block 205. The vertical edge and the upper edge of the opening of the outer cover 204 are connected with the corresponding edges of the sound absorption block 205, an air inlet 202 which is convenient for natural wind to enter is arranged between the lower edge of the opening of the outer cover 204 and the sound absorption block 205, and a filter screen 201 is arranged in the air inlet 202. Four corners of the opening of the inner cover 209 are connected with four corners of the sound absorption block 205 by short pipes 207, so that a space between the opening of the inner cover 209 and the periphery of the sound absorption block 205 is reserved for serving as an exhaust port 210. The gas collection guide ring 208 is arranged in the inner cover 209, one end of the gas collection guide ring 208 is connected with the sound absorption block 205, and the flat holes 206 are all positioned in the gas collection guide ring 208. Wherein, the baffle 203 is arranged on one surface of the sound absorption block 205 covered by the outer cover 204, the upper edge of the baffle 203 is connected to the sound absorption block 205 between the lowest flat hole 206 and the air inlet 202, and the lower edge of the baffle 203 is arranged in an upward inclined manner. In addition, a flange connected to the housing 9 is provided at an outer edge of the sound absorbing block 205 adjacent to one side of the cover 204.
As shown in fig. 5, the exhaust box 4 includes a bottom cover 411, the mouth of the bottom cover 411 faces upwards, an air inlet 413 is formed on the bottom of the bottom cover, and a support cylinder 401 is disposed therein. The upper end of the supporting cylinder 401 is provided with a sound absorbing cylinder 403, and two sound absorbing baffles 407 are respectively arranged on the inner side of the sound absorbing cylinder 403 and the opposite cylinder wall. Opposite sides of sound absorbing baffle 407: one side of the air duct is thicker than the other side, the thick sides of the air duct are connected to the cylinder walls of the corresponding sides, and the thin sides of the two side sound absorbing baffles 407 are arranged in a cross-shaped opposite mode, so that the air duct between the two side sound absorbing baffles 407 is S-shaped. A top cover 408 is arranged above the sound absorbing cylinder 403, the inner diameter of the top cover 408 is larger than the outer diameter of the sound absorbing cylinder 403, and the opening of the top cover 408 is connected with the upper end of the sound absorbing cylinder 403 by a cross brace 410, so that a first space 404 serving as an annular exhaust port is formed between the opening of the top cover 408 and the periphery of the upper end of the sound absorbing cylinder 403.
Wherein, the upper and lower ends of the sound absorbing cylinder 403 are respectively connected with an outlet retainer 405 and an inlet retainer 402, a second interval 406 is reserved between the upper end of the outlet retainer 405 and the bottom of the top cover 408, and a third interval 412 is reserved between the lower end of the inlet retainer 402 and the bottom of the bottom cover 411.
To further improve the noise reduction effect, the bottom cover 411, the sound absorbing cylinder 403, the sound absorbing baffle 407 and the top cover 408 are each composed of a sound absorbing layer and steel plates connected to both sides of the sound absorbing layer. Wherein the sound absorption layer is a glass wool board.
In addition, an annular screen 409 is provided in the first space 404.
Claims (7)
1. The sound insulation and noise reduction cooling device for the large and medium charging station is characterized by comprising a base, wherein a shell is arranged on the base, a sound insulation door is arranged on the front side of the shell, a first hole is formed in the sound insulation door, and an air inlet box is arranged in the first hole; the upper part of the rear wall of the shell is provided with a second hole, an exhaust fan is arranged in the second hole, and a guide cover is arranged outside the exhaust fan; the upper wall and the two side walls of the air guide sleeve are connected with the rear wall of the shell, and an exhaust port is arranged between the lower side of the air guide sleeve and the rear wall; the shell and the air guide sleeve are formed by compounding an acoustic absorption layer and outer layers on two sides of the acoustic absorption layer; the sound absorption layer is a glass wool board, and the outer layer is a steel plate; the top plate of the shell is provided with an air outlet hole, the top plate is provided with an exhaust box, and an air inlet at the bottom of the exhaust box is communicated with the air outlet hole on the top plate; the upper wall of the air guide sleeve is level with the top plate of the shell, and the cover bottom height of the air guide sleeve is shorter than the rear wall height of the shell; the air inlet box comprises a sound absorption block, wherein flat holes which are parallel to each other are formed in the sound absorption block, and an outer cover and an inner cover are respectively arranged outside and inside the sound absorption block; the vertical edge and the upper edge of the opening of the outer cover are connected with the corresponding edges of the sound absorption blocks, and an air inlet which is convenient for natural wind to enter is arranged between the lower edge of the opening of the outer cover and the sound absorption blocks; four corners of the opening of the inner cover are connected with four corners of the sound absorption block by short pipes, so that a space serving as an exhaust port is reserved between the opening of the inner cover and the periphery of the sound absorption block; the inner cover is internally provided with a gas-collecting guide ring, one end of the gas-collecting guide ring is connected with the sound absorption block, and the flat holes are all positioned in the gas-collecting guide ring.
2. The sound insulation and noise reduction cooling device for the large and medium charging station according to claim 1, wherein a guide plate is arranged on one surface of the sound absorption block covered by the outer cover; the upper edge of the guide plate is connected to the sound absorption block between the lowest flat hole and the air inlet, and the lower edge of the guide plate is arranged in an upward inclined mode.
3. The sound insulation and noise reduction cooling device for the large and medium charging station according to claim 1, wherein the exhaust box comprises a bottom cover, the mouth of the bottom cover faces upwards, an air inlet hole is formed in the bottom of the bottom cover, and a supporting cylinder is arranged in the bottom cover; the upper end of the supporting cylinder is provided with a sound absorption cylinder, and the inner side of the sound absorption cylinder is provided with a sound absorption baffle plate relative to the cylinder wall; opposite sides of the sound absorbing baffle: one side of the air duct is thicker than the other side, the thick sides of the air duct are connected to the cylinder walls of the corresponding sides, and the thin sides of the two sound absorption baffles are arranged in a cross-shaped opposite way, so that the air duct between the two sound absorption baffles is S-shaped; a top cover is arranged above the sound absorption cylinder, the inner diameter of the top cover is larger than the outer diameter of the sound absorption cylinder, and the top cover opening and the upper end of the sound absorption cylinder are connected together by means of a cross brace, so that a first interval serving as an annular exhaust port is formed between the top cover opening and the periphery of the upper end of the sound absorption cylinder.
4. The sound insulation and noise reduction cooling device for large and medium charging stations according to claim 3, wherein the upper end and the lower end of the sound absorption barrel are respectively connected with an outlet check ring and an inlet check ring, and a second interval is arranged between the upper end of the outlet check ring and the cover bottom of the top cover and between the lower end of the inlet check ring and the cover bottom of the bottom cover.
5. The sound insulation and noise reduction cooling device for the large and medium charging station according to claim 3, wherein the bottom cover, the sound absorption barrel, the sound absorption baffle plate and the top cover are all composed of a sound absorption layer and steel plates connected to two sides of the sound absorption layer.
6. The sound insulation and noise reduction cooling device for a large and medium charging station according to claim 3, wherein the sound absorption layer is a glass wool board.
7. The sound-insulating and noise-reducing cooling device for large and medium charging stations according to any one of claims 3 to 6, wherein an annular filter screen is arranged in the first space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224626.0A CN107949249B (en) | 2017-11-29 | 2017-11-29 | Sound insulation and noise reduction cooling device for large and medium charging station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224626.0A CN107949249B (en) | 2017-11-29 | 2017-11-29 | Sound insulation and noise reduction cooling device for large and medium charging station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107949249A CN107949249A (en) | 2018-04-20 |
| CN107949249B true CN107949249B (en) | 2024-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711224626.0A Active CN107949249B (en) | 2017-11-29 | 2017-11-29 | Sound insulation and noise reduction cooling device for large and medium charging station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107949249B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202487Y (en) * | 2008-04-23 | 2009-03-04 | 湖南科技大学 | Dust removing noise reducer of mining ventilation shaft air exit |
| CN201893227U (en) * | 2010-11-30 | 2011-07-06 | 浙江大学 | Ventilation and denoising device used in ultra-high voltage converter transformer |
| CN102709823A (en) * | 2012-06-12 | 2012-10-03 | 上海电力修造总厂有限公司 | Sound-insulation ventilation system for transformer substation |
| CN202678769U (en) * | 2012-06-12 | 2013-01-16 | 上海电力修造总厂有限公司 | Sound insulation ventilation system for transformer station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7379299B2 (en) * | 2006-03-17 | 2008-05-27 | Kell Systems | Noiseproofed and ventilated enclosure for electronics equipment |
-
2017
- 2017-11-29 CN CN201711224626.0A patent/CN107949249B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202487Y (en) * | 2008-04-23 | 2009-03-04 | 湖南科技大学 | Dust removing noise reducer of mining ventilation shaft air exit |
| CN201893227U (en) * | 2010-11-30 | 2011-07-06 | 浙江大学 | Ventilation and denoising device used in ultra-high voltage converter transformer |
| CN102709823A (en) * | 2012-06-12 | 2012-10-03 | 上海电力修造总厂有限公司 | Sound-insulation ventilation system for transformer substation |
| CN202678769U (en) * | 2012-06-12 | 2013-01-16 | 上海电力修造总厂有限公司 | Sound insulation ventilation system for transformer station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107949249A (en) | 2018-04-20 |
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