CN212992111U - Noise reduction structure of generator cooler base - Google Patents
Noise reduction structure of generator cooler base Download PDFInfo
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- CN212992111U CN212992111U CN202021104730.3U CN202021104730U CN212992111U CN 212992111 U CN212992111 U CN 212992111U CN 202021104730 U CN202021104730 U CN 202021104730U CN 212992111 U CN212992111 U CN 212992111U
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Abstract
The utility model discloses a noise reduction structure of a generator cooler base, which comprises a first noise reduction structure, a second noise reduction structure and a third noise reduction structure, wherein the first noise reduction structure is an angle steel along the axial direction at the bottom of a frame of a generator, the upper part of the angle steel is connected with the frame, a sealing rubber strip is embedded at the lower part of the angle steel, and the sealing rubber strip is in interference fit with the angle steel; the second noise reduction structure is that two side ends of the angle steel are provided with sealing covers, each sealing cover comprises a bottom plate and a cover plate, the upper part of each cover plate is welded with the engine base, the side edge of each cover plate is in threaded connection with a base embedded steel plate of the cooler, the welding part and the threaded connection surface are both coated with sealant, and each sealing cover is designed to incline at an angle of 45 degrees; the third structure of making an uproar of falling is equipped with first soundproof door and second soundproof door respectively in the wind channel cell both sides of frame, and the structure of first soundproof door and second soundproof door is steel sheet clamp cement injection, and the side of first soundproof door and second soundproof door adopts joint strip sealed. The utility model discloses the noise between generator and the cooler has been reduced.
Description
Technical Field
The utility model relates to a technical field of making an uproar falls specifically indicates a structure of making an uproar falls in generator cooler base.
Background
The cooler of the air-cooled generator is arranged below the base, a closed cavity is formed by matching the generator body and the base, the connection between the bottom of the conventional air-cooled generator and the cooler chamber adopts a sealing mode of welding angle steel and steel plates on site, but a certain number of gaps are always left after welding on site, and the gaps enable noise inside the generator to be leaked into the cooling chamber, so that the cooler chamber becomes a region with higher noise.
Too big noise not only is the staff's around the sound source ear noise injury, and is great to generator itself influence moreover, and how to reduce the noise is the key point of optimizing generator and cooler mounting structure.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned cold generator and cooler are connected and produce great noise, the utility model aims at providing a structure of making an uproar falls in generator cooler base.
In order to realize the technical purpose, the utility model provides a technical scheme is:
a noise reduction structure of a generator cooler base comprises a first noise reduction structure, a second noise reduction structure and a third noise reduction structure, wherein the first noise reduction structure is an angle steel arranged at the bottom of a base of a generator along the axial direction, the upper part of the angle steel is connected with the base, a sealing rubber strip is embedded at the lower part of the angle steel, the sealing rubber strip is used for half-wrapping the lower part of the angle steel, the sealing rubber strip is in interference fit with the angle steel, and the sealing rubber strip and a base embedded steel plate of a cooler are extruded to form axial sealing; the second noise reduction structure is that sealing covers are arranged at two side ends of the angle steel, each sealing cover comprises a bottom plate and a cover plate, the upper portion of each cover plate is welded with the engine base, the side edge of each cover plate is in threaded connection with a foundation embedded steel plate of the cooler, sealing glue is coated on the welding position and the threaded connection surface, and each sealing cover is inclined at an angle of 45 degrees; the structure of making an uproar does not fall in the third, is equipped with first soundproof door and second soundproof door respectively in the wind channel cell both sides of frame, and the structure of first soundproof door and second soundproof door is steel sheet clamp cement injection, and the side of first soundproof door and second soundproof door adopts joint strip sealed.
Through the technical scheme, the three directions and the integral sealing of the connecting structure between the generator and the cooler are realized. Firstly, the lower part of the angle steel is semi-surrounded by a sealing rubber strip, so that the angle steel is embedded into the sealing rubber strip, and after noise is transmitted to the angle steel, the noise is weakened by the buffer action of the sealing rubber strip, and the axial noise reduction of the generator is realized; secondly, sealing covers are arranged at two ends of the angle steel, the upper part of a cover plate of each sealing cover is welded with a base of the generator, the side edge of the cover plate is in threaded connection with a foundation embedded steel plate of the cooler, sealing glue is coated on the welding part and a threaded connection surface, and the elasticity of the sealing glue can weaken noise after repeated buffering for many times, so that the noise reduction in the horizontal direction and the vertical direction which are perpendicular to the axial direction of the generator is realized; two soundproof doors are arranged on two sides of the air duct chamber of the engine base, and the heavier object has better soundproof performance (generally known as mass rule), so that the engine base of the generator realizes the integral sealing and noise reduction effects.
The utility model has the advantages that: according to the noise reduction structure, noise reduction structures are respectively arranged from local parts and integral parts, firstly, a sound insulation sealing rubber strip is added to angle steel connected between a base of a generator and a cooler; moreover, two sound insulation doors are arranged on two sides of the air duct chamber of the base, so that local noise reduction is realized; then, the both sides of angle steel set up the sealed cowling, thereby the sealed cowling wraps up whole noise source position and realizes the effect of making an uproar entirely.
The rubber strip is further optimized to be a U-shaped rubber strip.
By adopting the technical scheme, the installation is convenient, and the noise reduction effect is good.
The method is further optimized in that the connecting gaps between the side edges of the cover plate and the basic embedded steel plate of the cooler are sealed by sealant.
By adopting the technical scheme, the gap is ensured to be well sealed.
It is further optimized that the sealing boot is designed to have a smooth inner surface.
By adopting the technical scheme, the noise in the sealing cover is prevented from shaking and rubbing for many times, the noise reduction effect of the sealing cover is not only influenced, but also the surface temperature of the sealing cover is increased, and potential safety hazards are brought to users.
The sealing rubber strip is a sound-proof sealing rubber strip.
By adopting the technical scheme, the noise reduction effect of the sound-proof sealing rubber strip is better than that of a common rubber sealing rubber strip.
Further optimization is that the inner layer of the sealing cover is provided with sound-absorbing materials.
By adopting the technical scheme, the sound absorption material can reduce the amplitude of sound and weaken the noise.
Drawings
FIG. 1 is a schematic view of an assembly of an embodiment joint strip;
fig. 2 is an enlarged partial cross-sectional view of a in fig. 1.
Reference numerals:
1-angle steel; 2-sealing adhesive tape; 3-integral sealing cover; 4-first soundproof door.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that, in the present application, the terms of upper, lower, left and right are consistent with those of the drawings, but not limited to the specific structural orientation; the dimensions in the figures are for illustration only.
A noise reduction structure of a generator cooler base is shown in figures 1 and 2 and comprises a first noise reduction structure, a second noise reduction structure and a third noise reduction structure, wherein the first noise reduction structure is that an axial angle steel 1 is arranged at the bottom of a base of a generator, the upper part of the angle steel 1 is connected with the base, a sealing rubber strip 2 is inlaid at the lower part of the angle steel 1, the lower part of the angle steel 1 is half-wrapped by the sealing rubber strip 2, the sealing rubber strip is in interference fit with the angle steel 1, and the sealing rubber strip 2 and a base embedded steel plate of a cooler are extruded to form axial sealing; the second noise reduction structure is that sealing covers are arranged at two side ends of the angle steel 1 and comprise a bottom plate and a cover plate, the upper part of the cover plate is welded with the base, the side edge of the cover plate is in threaded connection with a base embedded steel plate of the cooler, sealing glue is coated on the welding position and the threaded connection surface, and the sealing covers are inclined at an angle of 45 degrees; the structure of making an uproar does not fall in the third, is equipped with first soundproof door 4 and second soundproof door respectively in the wind channel cell both sides of frame, and the structure of first soundproof door 4 and second soundproof door is steel sheet clamp cement injection, and first soundproof door 4 adopts joint strip 2 sealed with the side of second soundproof door.
Through the technical scheme, the three directions and the integral sealing of the connecting structure between the generator and the cooler are realized. As shown in fig. 1, the lower part of the angle steel 1 is semi-surrounded by the sealing rubber strip 2, so that the angle steel 1 is embedded into the sealing rubber strip 2, and after the noise is transmitted to the angle steel 1, the buffer action of the sealing rubber strip 2 weakens the noise, thereby realizing the axial noise reduction of the generator; sealing covers are arranged at two ends of the angle steel 1, the upper portion of a cover plate of each sealing cover is welded with a base of the generator, the side edge of the cover plate is in threaded connection with a foundation embedded steel plate of the cooler, sealing glue is coated on the welding position and a threaded connection surface, and the elasticity of the sealing glue can weaken noise after repeated buffering for many times, so that the noise reduction in the horizontal direction and the vertical direction perpendicular to the axial direction of the generator is realized; two soundproof doors are arranged on two sides of the air duct chamber of the engine base, and the heavier object has better soundproof performance (generally known as mass rule), so that the engine base of the generator realizes the integral sealing and noise reduction effects.
First soundproof door 4 and second soundproof door are the steel sheet of 2mm thickness and make the door plant, and the mud of watering reaches the improvement quality in order to seek higher syllable-dividing effect in the door plant, and soundproof door adopts the adhesive tape sealed, prevents that the noise from leaking.
According to the law of reflection and refraction of the sound wave, when the sound wave is transmitted to the surface of an obstacle, the sound wave is reflected on the surface of the object, the obstacle is a wood board with an included angle of 45 degrees, the sound wave is reflected after contacting one side of the wood board, the reflected wave meets the other side of the wood board, according to the geometric relationship, the incident direction and the emergent direction of the wave form 180 degrees, according to the law of the sound wave, waves with opposite directions are overlapped in the transmission process, namely the wavelength of the wave is unchanged, the amplitude of the wave is changed, and the wave is weakened if the wave crest of the incident wave meets the wave trough of the emergent wave, so that the noise can be weakened by arranging the sealing cover with the inclined angle of 45 degrees.
The utility model discloses the scheme that can optimize has following several:
(1) the sealing rubber strip 2 is a rubber strip with a U-shaped structure. The U-shaped structure can wrap the side of the angle steel 1 in the rubber strip, so that the installation is convenient, and the noise reduction effect is good.
(2) And the side edge of the cover plate and the connecting gap of the basic embedded steel plate of the cooler are sealed by a sealant. The sealant seals the joint gap to ensure that sound does not leak out of the gap.
(3) The boot seal is designed to have a smooth inner surface. Avoid noise vibration friction many times in the sealed cowling, not only influence the noise reduction effect of sealed cowling, make sealed cowling surface temperature rise moreover, bring the potential safety hazard for the user.
(3) The sealing rubber strip 2 is a sound-proof sealing rubber strip 2. The noise reduction effect of the sound-proof sealing rubber strip 2 is better than that of a common rubber sealing rubber strip.
(4) Wholly set up the sealed cowling in generator and cooler junction, so near whole noise source just be provided with the three-layer and fall the structure of making an uproar, be joint strip respectively, 1 tip sealed cowling of angle steel and whole sealed cowling 3 realize separating the noise source with the external world comprehensively.
(5) The inner layer of the sealing cover is provided with sound absorption materials. The sound absorbing material is generally provided with a sound deadening hole, and sound waves are subjected to the action of multiple reflection and refraction and half-period mutual elimination in the sound deadening hole, so that the noise is weakened, and the effect of reducing the noise in the transmission process is realized.
The utility model discloses a noise reduction structure of a generator cooler base, which comprises a first noise reduction structure, a second noise reduction structure and a third noise reduction structure, wherein the first noise reduction structure is an angle steel 1 along the axial direction at the bottom of a frame of a generator, the upper part of the angle steel 1 is connected with the frame, a sealing rubber strip 2 is embedded at the lower part of the angle steel 1, and the sealing rubber strip is in interference fit with the angle steel 1; the second noise reduction structure is that two side ends of the angle steel 1 are provided with sealing covers, each sealing cover comprises a bottom plate and a cover plate, the upper part of each cover plate is welded with the engine base, the side edge of each cover plate is in threaded connection with a base embedded steel plate of the cooler, the welding part and the threaded connection surface are both coated with sealant, and each sealing cover is designed to incline at an angle of 45 degrees; the structure of making an uproar falls in the third is equipped with first soundproof door 4 and second soundproof door respectively in the wind channel cell both sides of frame, and the structure of first soundproof door 4 and second soundproof door is steel sheet clamp cement injection, and first soundproof door 4 adopts joint strip 2 sealed with the side of second soundproof door. The utility model discloses the noise between generator and the cooler has been reduced.
The present embodiment is only for explaining the invention, and it is not limited to the invention, and those skilled in the art can make modifications of the present embodiment as necessary after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.
Claims (6)
1. The utility model provides a structure of making an uproar falls in generator cooler base which characterized in that: the noise reduction structure mainly comprises a first noise reduction structure, a second noise reduction structure and a third noise reduction structure;
the first noise reduction structure is angle steel arranged at the bottom of a base of the generator along the axial direction, the upper part of the angle steel is connected with the base, a sealing rubber strip is embedded at the lower part of the angle steel, the sealing rubber strip is used for half-wrapping the lower part of the angle steel, the sealing rubber strip is in interference fit with the angle steel, and the sealing rubber strip and a base embedded steel plate of the cooler are extruded to form axial sealing;
the second noise reduction structure is characterized in that sealing covers are arranged at two side ends of the angle steel, each sealing cover comprises a bottom plate and a cover plate, an H-shaped steel installation groove is formed in each cover plate, the upper portion of each cover plate is welded with the corresponding machine base, the side edge of each cover plate is in threaded connection with a base embedded steel plate of the cooler, sealing glue is coated on the welding position and the threaded connection surface, and each sealing cover is inclined at an angle of 45 degrees;
the structure of making an uproar does is fallen to the third the wind channel cell both sides of frame are equipped with first soundproof door and second soundproof door respectively, first soundproof door with the structure of second soundproof door is steel sheet clamp cement injection, first soundproof door with the side of second soundproof door adopts joint strip seals.
2. The generator cooler base noise reduction structure of claim 1, wherein: the sealing rubber strip is a rubber strip with a U-shaped structure.
3. The generator cooler base noise reduction structure of claim 1, wherein: and the side edge of the cover plate and the connecting gap of the basic embedded steel plate of the cooler are sealed by a sealant.
4. The generator cooler base noise reduction structure of claim 1, wherein: the boot seal is designed to have a smooth inner surface.
5. The generator cooler base noise reduction structure of claim 1, wherein: the sealing rubber strip is a sound-proof sealing rubber strip.
6. The generator cooler base noise reduction structure of claim 1, wherein: and the inner layer of the sealing cover is provided with sound absorption materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021104730.3U CN212992111U (en) | 2020-06-15 | 2020-06-15 | Noise reduction structure of generator cooler base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021104730.3U CN212992111U (en) | 2020-06-15 | 2020-06-15 | Noise reduction structure of generator cooler base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212992111U true CN212992111U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021104730.3U Active CN212992111U (en) | 2020-06-15 | 2020-06-15 | Noise reduction structure of generator cooler base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212992111U (en) |
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2020
- 2020-06-15 CN CN202021104730.3U patent/CN212992111U/en active Active
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