CN209947429U - Mute control device for mobile power station - Google Patents
Mute control device for mobile power station Download PDFInfo
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- CN209947429U CN209947429U CN201920612097.XU CN201920612097U CN209947429U CN 209947429 U CN209947429 U CN 209947429U CN 201920612097 U CN201920612097 U CN 201920612097U CN 209947429 U CN209947429 U CN 209947429U
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Abstract
The utility model belongs to the technical field of noise reduction of mobile power stations, the utility model discloses a mute control device for a mobile power station, a noise reduction shell is a square shell exposed outside, a sound insulation cavity is fixedly arranged at the inner side position of the noise reduction shell, a noise reduction cavity is fixedly arranged at the inner side position of a sound insulation cavity, a cavity shaped like a Chinese character '8' is formed by fixedly communicating between circular noise reduction bodies, and through holes for ventilation are uniformly arranged on the outer surface of the circular noise reduction bodies; the sound absorption cavity is fixedly arranged at the inner side of the noise reduction cavity, and the sound absorption cotton is uniformly filled around the sound absorption cavity; eight angles of making an uproar casing, sound insulation chamber, making an uproar chamber and sound absorbing chamber fall pass through connecting plate welded fastening, and the surface of coverboard, acoustic celotex board, the board of making an uproar, acoustic panel evenly is provided with inhales the sound pit, inhales the surface of sound pit and evenly is provided with circular through-hole. The mute control device for the mobile power station greatly reduces the noise of engineering machinery, improves the working environment of the engineering machinery and reduces the noise pollution to the surrounding environment.
Description
Technical Field
The utility model belongs to the technical field of making an uproar falls in mobile power station, concretely relates to silence control device for mobile power station.
Background
The mobile power station is a movable standby power supply, and can be divided into an independent mobile power supply and a multifunctional mobile power supply combined with a crane, an excavator or a flat car. The mobile power supply mainly provides a standby power supply for field engineering operation, and with the continuous increase of the functions of engineering machinery, the standby power supply which can be charged or can generate power by using the power of the engineering machinery and store the power supply is arranged at the tail of most engineering machinery, so that the technical problem that the engineering machinery needs power when working in the field and has no available power can be solved.
The engineering machinery which is advanced in the prior art is provided with a standby power supply which can independently generate electricity and store electric quantity, if the engineering machinery is provided with an independent generator, the noise generated by the engineering machinery is larger, the working environment of the engineering machinery is seriously reduced, and the noise pollution to the surrounding environment is seriously reduced; the inventor develops a mute control device for a mobile power station based on the defects in the prior art, and can well solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, provide a silence control device for mobile power station, its structural design is simple, scientific and reasonable, can reduce the produced noise pollution of engineering machine tool, improves the operation environment.
The utility model adopts the technical proposal that: a mute control device for a mobile power station comprises a noise reduction shell, a sound insulation cavity, a noise reduction cavity and a sound absorption cavity; the noise reduction shell is a square shell exposed outside, the sound insulation cavity is fixedly arranged at the inner side position of the noise reduction shell, the sound insulation cavity comprises a left sound insulation plate, a right sound insulation plate, an upper sound insulation plate, a lower sound insulation plate, a front sound insulation plate and a rear sound insulation plate, the left sound insulation plate, the right sound insulation plate, the upper sound insulation plate, the lower sound insulation plate, the front sound insulation plate and the rear sound insulation plate of the noise reduction shell and the sound insulation cavity are welded together to form a sound insulation cavity, and the hollow spherical shell is uniformly filled in the sound insulation cavity around the periphery of the sound insulation cavity; the noise reduction cavity is fixedly arranged at the inner side of the sound insulation cavity, the noise reduction cavity comprises a left noise reduction plate, the left noise reduction plate, a right noise reduction plate, an upper noise reduction plate, a lower noise plate, a front noise reduction plate and a rear noise reduction plate form a square body through welding, the left noise reduction plate, the right noise reduction plate, the upper noise reduction plate, the lower noise plate, the front noise reduction plate and the rear noise reduction plate in the noise reduction cavity are fixedly welded with the left sound insulation plate, the right sound insulation plate, the upper sound insulation plate, the lower sound insulation plate, the front sound insulation plate and the rear sound insulation plate in the sound insulation cavity to form a noise reduction cavity, the circular noise reduction bodies are uniformly arranged around the noise reduction cavity, the circular noise reduction bodies are fixedly communicated to form an 8-shaped cavity, and through holes for ventilation are uniformly; the sound absorption cavity is fixedly arranged at the inner side of the noise reduction cavity, the sound absorption cavity comprises a left sound absorption plate, the right sound absorption plate, an upper sound absorption plate, a lower sound absorption plate, a front sound absorption plate and a rear sound absorption plate form a hollow square body through a welding machine, the left sound absorption plate, the right sound absorption plate, the upper sound absorption plate, the lower sound absorption plate, the front sound absorption plate and the rear sound absorption plate of the sound absorption cavity are fixedly welded with the left noise reduction plate, the right noise reduction plate, the upper noise reduction plate, the lower noise reduction plate, the front noise reduction plate and the rear noise reduction plate of the noise reduction cavity to form the sound absorption cavity, and sound absorption cotton is uniformly filled around the sound absorption; the eight corners of the noise reduction shell, the sound insulation cavity, the noise reduction cavity and the sound absorption cavity are welded and fixed through a connecting plate, and the connecting plate penetrates through the eight corners of the sound insulation cavity and the noise reduction cavity to fixedly connect the noise reduction shell and the sound absorption cavity; the surfaces of the shell plate, the sound insulation plate, the noise reduction plate and the sound absorption plate are uniformly provided with sound absorption grooves, the surfaces of the sound absorption grooves are uniformly provided with round through holes, and the sound absorption grooves are concave.
The casing of making an uproar falls includes left casing, and the right casing symmetry is fixed to be set up in the right side position of left casing, goes up the fixed upper portion position that sets up at left casing and right casing of casing, and the casing is fixed to be set up the lower part position at left casing and right casing down, and the fixed front side position that sets up at left casing and right casing of procapsid, and the fixed rear side position that sets up at left casing and right casing of back casing, left casing, right casing, go up the casing, lower casing, become hollow square body through welded fastening between procapsid and the back casing.
The diameter of the hollow spherical shell is smaller than the width of the sound insulation cavity, and the hollow spherical shell is a foam hollow sphere or a plastic hollow sphere.
The diameter of the circular noise reduction body is smaller than the width of the noise reduction cavity, and the circular noise reduction body is made of plastics.
The thickness of the sound absorption cotton is smaller than the width of the sound absorption cavity.
The noise reduction and sound insulation process of the silence control device for the mobile power station comprises the following steps: firstly, uniformly filling a hollow spherical shell in a sound insulation cavity, and simultaneously uniformly filling a circular noise reduction body and sound absorption cotton in a noise reduction cavity and a sound absorption cavity respectively; then, welding and fixing eight corners of the noise reduction shell, the sound insulation cavity, the noise reduction cavity and the sound absorption cavity through connecting plates to form the mute control device for the mobile power station, and meanwhile, installing the mute control device for the mobile power station outside a generator of the mobile power station; noise that the generator that sends when mobile power station at first through inhale the sound recess and the circular through-hole convey the sound absorption chamber on the abatvoix in sound absorption chamber, through inhaling the cotton effect of inhaling of sound, reduce the noise of generator to the certain degree, then the rethread falls the sound recess and the circular through-hole of inhaling on the board of making an uproar that falls in the chamber, the noise that sends the mobile power station generator is through the circular propagation speed of falling the body noise reduction that falls, play the effect of noise reduction, the noise that sends is further reduced through the hollow spherical shell's in the sound insulation chamber effect at last. The above process is a noise reduction and sound insulation process of such a mute control apparatus for a mobile station.
The hollow spherical shell is a hollow sphere made of plastic or foam materials, and the resonance frequency of sound waves in the sound insulation cavity can be reduced through the arc-shaped surface of the hollow spherical shell, so that the effect of reducing noise is achieved.
The circular noise reduction bodies are fixedly communicated with one another to form an 8-shaped cavity, and through holes for ventilation are uniformly formed in the outer surfaces of the circular noise reduction bodies; the main purpose of setting up like this is for through the structure that a plurality of circular bodies of making an uproar communicate, reduce the propagation velocity of sound wave in the circular body of making an uproar that makes an uproar that falls, through reducing the sound wave to the propagation velocity, play the effect that reduces the mobile power station generator noise.
The sound-absorbing cotton is artificial inorganic fiber. The glass is prepared by using natural ores such as quartz sand, limestone, dolomite and the like as main raw materials and matching with chemical raw materials such as sodium carbonate, borax and the like. In a melting state, the fibers are blown by external force and thrown into flocculent fine fibers, and the fibers are crossed and intertwined with each other to form a plurality of fine gaps.
The silence control device for the mobile power station utilizes the tiny gaps among the sound absorbing cotton in the sound absorbing cavity, and when noise sound waves move back and forth in the gaps of the sound absorbing cotton, the noise sound waves rub with the static gaps, so that the sound wave energy can be consumed, and the effect of absorbing noise is achieved.
The utility model has the advantages that: the technical scheme provides a mute control device for a mobile power station, which has simple, scientific and reasonable structural design, can reduce noise pollution generated by engineering machinery and improve the working environment; the noise of the engineering machinery is greatly reduced, the working environment of the engineering machinery is improved, and the noise pollution to the surrounding environment is reduced.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the shell plate, the sound insulation plate, the noise reduction plate and the sound absorption plate of the present invention;
the labels in the figure are: 1. noise reduction housing 101, left skin 102, right skin 103, upper skin 104, lower skin 105, front skin 106, rear skin 2, acoustic cavity 201, left acoustic panel 202, right acoustic panel 203, upper acoustic panel 204, lower acoustic panel 205, front acoustic panel 206, rear acoustic panel 207, hollow sphere shell 3, noise reduction cavity 301, left noise reduction panel 302, right noise reduction panel 303, upper noise reduction panel 304, noise reduction panel down, 305, front noise reduction panel 306, rear noise reduction panel 307, circular noise reducer 308, through hole 4, acoustic cavity 401, left acoustic panel 402, right acoustic panel 403, upper acoustic panel 404, lower acoustic panel 405, front acoustic panel 406, rear acoustic panel 407, acoustic wool, 5, acoustic dimple 6, circular through hole 7, connecting plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in the figure, the utility model adopts the technical scheme that: a mute control device for a mobile power station comprises a noise reduction shell 1, a sound insulation cavity 2, a noise reduction cavity 3 and a sound absorption cavity 4; the noise reduction shell 1 is a square shell exposed outside, the sound insulation cavity 2 is fixedly arranged at the inner side position of the noise reduction shell 1, the sound insulation cavity 2 comprises a left sound insulation board 201, a right sound insulation board 202, an upper sound insulation board 203, a lower sound insulation board 204, a front sound insulation board 205 and a rear sound insulation board 206, hollow square bodies are formed among the left sound insulation board 201, the right sound insulation board 202, the upper sound insulation board 203, the lower sound insulation board 204, the front sound insulation board 205 and the rear sound insulation board 206 of the noise reduction shell 1 and the sound insulation cavity 2 through welding, the sound insulation cavity 2 is formed through fixed welding, and the hollow spherical shell 207 is uniformly filled in the sound insulation cavity 2 around the sound insulation; the noise reduction cavity 3 is fixedly arranged at the inner side position of the sound insulation cavity 2, the noise reduction cavity 3 comprises a left noise reduction plate 301, the left noise reduction plate 301, a right noise reduction plate 302, an upper noise reduction plate 303, a lower noise reduction plate 304, a front noise reduction plate 305 and a rear noise reduction plate 306 are welded to form a square body, the left noise reduction plate 301, the right noise reduction plate 302, the upper noise reduction plate 303, the lower noise reduction plate 304, the front noise reduction plate 305 and the rear noise reduction plate 306 of the noise reduction cavity 3 are fixedly welded with the left sound insulation plate 201, the right sound insulation plate 202, the upper sound insulation plate 203, the lower sound insulation plate 204, the front sound insulation plate 205 and the rear sound insulation plate 206 of the sound insulation cavity 2 to form the noise reduction cavity 3, the circular noise reduction bodies 307 are uniformly arranged around the periphery of the noise reduction cavity 3, 8-shaped cavities are fixedly communicated among the circular noise reduction bodies 307, and through; the sound absorption cavity 4 is fixedly arranged at the inner side of the noise reduction cavity 3, the sound absorption cavity 4 comprises a left sound absorption plate 401, a right sound absorption plate 402, an upper sound absorption plate 403, a lower sound absorption plate 404, a front sound absorption plate 405 and a rear sound absorption plate 406 form a hollow square body through a welding machine, the left sound absorption plate 401, the right sound absorption plate 402, the upper sound absorption plate 403, the lower sound absorption plate 404, the front sound absorption plate 405 and the rear sound absorption plate 406 of the sound absorption cavity 4 are fixedly welded with the left noise reduction plate 301, the right noise reduction plate 302, the upper noise reduction plate 303, the lower noise plate 304, the front noise reduction plate 305 and the rear noise reduction plate 306 of the noise reduction cavity 3 to form the sound absorption cavity 4, and the sound absorption cotton 407 is uniformly filled around the sound absorption cavity; eight corners of the noise reduction shell 1, the sound insulation cavity 2, the noise reduction cavity 3 and the sound absorption cavity 4 are welded and fixed through a connecting plate 7, and the connecting plate 7 penetrates through the eight corners of the sound insulation cavity 2 and the noise reduction cavity 3 to fixedly connect the noise reduction shell 1 and the sound absorption cavity 4; the surfaces of the shell plate, the sound insulation plate, the noise reduction plate and the sound absorption plate are uniformly provided with sound absorption pits 5, the surfaces of the sound absorption pits 5 are uniformly provided with circular through holes 6, and the sound absorption pits 5 are concave.
The noise reduction casing 1 comprises a left casing 101, a right casing 102 is symmetrically and fixedly arranged at the right position of the left casing 101, an upper casing 103 is fixedly arranged at the upper positions of the left casing 101 and the right casing 102, a lower casing 104 is fixedly arranged at the lower positions of the left casing 101 and the right casing 102, a front casing 105 is fixedly arranged at the front positions of the left casing 101 and the right casing 102, a rear casing 106 is fixedly arranged at the rear positions of the left casing 101 and the right casing 102, and the left casing 101, the right casing 102, the upper casing 103, the lower casing 104, a hollow square body is fixed between the front casing 105 and the rear casing 106 through welding.
The diameter of the hollow spherical shell 207 is smaller than the width of the sound insulation cavity 2, and the hollow spherical shell 207 is a foam hollow sphere or a plastic hollow sphere.
The diameter of the circular noise reduction body 307 is smaller than the width of the noise reduction cavity 3, and the circular noise reduction body 307 is made of plastic.
The thickness of the sound absorbing cotton 407 is smaller than the width of the sound absorbing cavity 4.
The noise reduction and sound insulation process of the silence control device for the mobile power station comprises the following steps: firstly, uniformly filling the hollow spherical shell 207 in the sound insulation cavity 2, and simultaneously uniformly filling the circular noise reduction body 307 and the sound absorption cotton 407 in the noise reduction cavity 3 and the sound absorption cavity 4 respectively; then, welding and fixing eight corners of the noise reduction shell 1, the sound insulation cavity 2, the noise reduction cavity 3 and the sound absorption cavity 4 through a connecting plate 7 to form the mute control device for the mobile power station, and meanwhile, installing the mute control device for the mobile power station outside a generator of the mobile power station; noise that the generator that sends when mobile power station firstly conveys in the sound absorption chamber 4 through inhaling sound depression 5 and circular through-hole 6 on the abatvoix in sound absorption chamber 4, through inhaling the sound effect of sound cotton 407, reduce the noise of generator to the certain degree, then the rethread falls the sound depression 5 and circular through-hole 6 of inhaling on the board of making an uproar that falls in chamber 3, the noise that sends the mobile power station generator is through the circular propagation speed of falling the body 307 noise reduction of making an uproar, play the effect of noise reduction, the noise that sends of generator is further reduced through the hollow spherical shell 207's in the sound insulation chamber 2 effect at last. The above process is a noise reduction and sound insulation process of such a mute control apparatus for a mobile station.
Claims (5)
1. A mute control device for a mobile power station comprises a noise reduction shell, a sound insulation cavity, a noise reduction cavity and a sound absorption cavity; the method is characterized in that: the noise reduction shell is a square shell exposed outside, the sound insulation cavity is fixedly arranged at the inner side position of the noise reduction shell, the sound insulation cavity comprises a left sound insulation plate, a right sound insulation plate, an upper sound insulation plate, a lower sound insulation plate, a front sound insulation plate and a rear sound insulation plate, the left sound insulation plate, the right sound insulation plate, the upper sound insulation plate, the lower sound insulation plate, the front sound insulation plate and the rear sound insulation plate of the noise reduction shell and the sound insulation cavity are welded together to form a sound insulation cavity, and the hollow spherical shell is uniformly filled in the sound insulation cavity around the periphery of the sound insulation cavity; the noise reduction cavity is fixedly arranged at the inner side of the sound insulation cavity, the noise reduction cavity comprises a left noise reduction plate, the left noise reduction plate, a right noise reduction plate, an upper noise reduction plate, a lower noise plate, a front noise reduction plate and a rear noise reduction plate form a square body through welding, the left noise reduction plate, the right noise reduction plate, the upper noise reduction plate, the lower noise plate, the front noise reduction plate and the rear noise reduction plate in the noise reduction cavity are fixedly welded with the left sound insulation plate, the right sound insulation plate, the upper sound insulation plate, the lower sound insulation plate, the front sound insulation plate and the rear sound insulation plate in the sound insulation cavity to form a noise reduction cavity, the circular noise reduction bodies are uniformly arranged around the noise reduction cavity, the circular noise reduction bodies are fixedly communicated to form an 8-shaped cavity, and through holes for ventilation are uniformly; the sound absorption cavity is fixedly arranged at the inner side of the noise reduction cavity, the sound absorption cavity comprises a left sound absorption plate, the right sound absorption plate, an upper sound absorption plate, a lower sound absorption plate, a front sound absorption plate and a rear sound absorption plate form a hollow square body through a welding machine, the left sound absorption plate, the right sound absorption plate, the upper sound absorption plate, the lower sound absorption plate, the front sound absorption plate and the rear sound absorption plate of the sound absorption cavity are fixedly welded with the left noise reduction plate, the right noise reduction plate, the upper noise reduction plate, the lower noise reduction plate, the front noise reduction plate and the rear noise reduction plate of the noise reduction cavity to form the sound absorption cavity, and sound absorption cotton is uniformly filled around the sound absorption; the eight corners of the noise reduction shell, the sound insulation cavity, the noise reduction cavity and the sound absorption cavity are welded and fixed through a connecting plate, and the connecting plate penetrates through the eight corners of the sound insulation cavity and the noise reduction cavity to fixedly connect the noise reduction shell and the sound absorption cavity; the surfaces of the shell plate, the sound insulation plate, the noise reduction plate and the sound absorption plate are uniformly provided with sound absorption grooves, the surfaces of the sound absorption grooves are uniformly provided with round through holes, and the sound absorption grooves are concave.
2. A mute control apparatus for a mobile station according to claim 1, characterized in that: the casing of making an uproar includes left casing, the fixed right side position that sets up at left casing of right casing symmetry, go up the fixed upper portion position that sets up at left casing and right casing of casing, the casing is fixed to be set up the lower part position at left casing and right casing down, the fixed front side position that sets up at left casing and right casing of procapsid, the fixed rear side position that sets up at left casing and right casing of back casing, left casing, right casing, go up the casing, the casing down, become hollow square body through welded fastening between procapsid and the back casing.
3. A mute control apparatus for a mobile station according to claim 1, characterized in that: the diameter of the hollow spherical shell is smaller than the width of the sound insulation cavity, and the hollow spherical shell is a foam hollow sphere or a plastic hollow sphere.
4. A mute control apparatus for a mobile station according to claim 1, characterized in that: the diameter of the circular noise reduction body is smaller than the width of the noise reduction cavity, and the circular noise reduction body is made of plastics.
5. A mute control apparatus for a mobile station according to claim 1, characterized in that: the thickness of the sound absorption cotton is smaller than the width of the sound absorption cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612097.XU CN209947429U (en) | 2019-04-30 | 2019-04-30 | Mute control device for mobile power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612097.XU CN209947429U (en) | 2019-04-30 | 2019-04-30 | Mute control device for mobile power station |
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| Publication Number | Publication Date |
|---|---|
| CN209947429U true CN209947429U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920612097.XU Expired - Fee Related CN209947429U (en) | 2019-04-30 | 2019-04-30 | Mute control device for mobile power station |
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| Country | Link |
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| CN (1) | CN209947429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427312A (en) * | 2021-07-19 | 2021-09-24 | 青岛科技大学 | Noise and vibration reduction device applied to horizontal machine tool |
-
2019
- 2019-04-30 CN CN201920612097.XU patent/CN209947429U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427312A (en) * | 2021-07-19 | 2021-09-24 | 青岛科技大学 | Noise and vibration reduction device applied to horizontal machine tool |
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Granted publication date: 20200114 |
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