CN213574364U - Noise prevention and control equipment for environmental protection engineering - Google Patents
Noise prevention and control equipment for environmental protection engineering Download PDFInfo
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- CN213574364U CN213574364U CN202022257593.3U CN202022257593U CN213574364U CN 213574364 U CN213574364 U CN 213574364U CN 202022257593 U CN202022257593 U CN 202022257593U CN 213574364 U CN213574364 U CN 213574364U
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Abstract
The utility model belongs to the field of noise control, in particular to noise control equipment for environmental protection engineering, which comprises a sound insulation device, wherein a sound absorption plate is laid in the sound insulation device, a generator is arranged in the sound insulation device, a shock absorption column is arranged at the bottom of the generator, a telescopic rod is fixedly arranged at the bottom of an upper clamping plate, the lower end of the telescopic rod is inserted in a telescopic rod sleeve, the bottom end of the telescopic rod sleeve is arranged on a base, a spring is sleeved outside the telescopic rod sleeve, the upper end and the lower end of the spring are respectively fixed on the upper clamping plate and the base, a silencing air outlet channel is arranged on the left wall of the sound insulation device, a silencing pipe is horizontally arranged between the left wall and the right wall of the silencing air outlet channel, an inclined sound absorption plate is respectively arranged on the left; through setting up the sound-absorbing pipe and the abatvoix structure in the amortization air-out pipeline, absorb the noise of high, medium, low frequency, further noise pollution abatement.
Description
Technical Field
The utility model belongs to the noise prevention and cure field, concretely relates to noise prevention and cure equipment for environmental protection engineering.
Background
The noise is a sound which causes dysphoria or harms human health due to too strong volume, and from the viewpoint of environmental protection, all the sounds which hinder normal rest, study and work of people and interfere with the sound to be heard by people belong to noise; from the physical point of view, the noise is the sound produced when the sounding body does irregular vibration. The existing noise control equipment for environmental protection engineering absorbs noise through the sound-absorbing board, and can not process high, medium and low-frequency noise simultaneously.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a noise control equipment for environmental protection engineering through setting up sound absorption pipe and abatvoix structure in the amortization air-out pipeline, absorbs the noise of high, well, low frequency, further noise abatement pollution.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a noise control equipment for environmental protection engineering, includes noise insulation, the abatvoix has been laid to noise insulation's inside, noise insulation's internally mounted has the generator, the shock attenuation post is installed to the bottom of generator, the bottom fixed mounting of punch holder has the telescopic link, the lower extreme of telescopic link is pegged graft in the telescopic link cover, the bottom of telescopic link cover is installed on the base, the spring has been cup jointed in the outside of telescopic link cover, the upper and lower both ends of spring are fixed respectively on punch holder and base, the amortization air-out passageway is installed to noise insulation's left wall, horizontal installation has the hush pipe between the two walls about amortization air-out passageway, oblique abatvoix is installed respectively to two walls about amortization air-out passageway, install the air exhauster on the right wall of amorti.
Preferably, holes are distributed on the surface of the sound-absorbing plate; by laying the sound-absorbing boards with the holes, the whole sound-absorbing device forms a relatively sealed sound-absorbing environment, and noise transmission is reduced.
Preferably, the number of the shock absorption columns is four, and the upper clamping plate of each shock absorption column and the bottom of the generator are fixed through screws; prevent to produce the lateral shifting power because of the generator work vibrations, strengthen the stability of generator.
Preferably, the silencing pipe is a hollow cylinder with holes fully covered on the surface; when the noise passes through the silencing air outlet channel, the noise with different frequencies enters the silencing pipe through the holes in the silencing pipe, only the sound waves with certain frequencies near the natural frequency of the holes can enter the second silencing pipe through the holes, and the other sound waves can be reflected back and forth in the silencing pipe, so that the noise with medium and low frequencies is reduced.
Preferably, the inclined sound-absorbing plate and the left wall of the sound-absorbing air outlet channel form an included angle of 45 degrees, and a plurality of salient points are arranged on the surface of the inclined sound-absorbing plate; when the noise comes to oblique abatvoix 7 through the hush pipe on, utilize oblique abatvoix to change the cross-sectional direction when the noise passes through the air-out passageway, come the noise of further reducing medium and low frequency, be equipped with a plurality of bumps through the surface at oblique abatvoix for the noise rubs between oblique abatvoix bump, thereby changes the heat energy consumption into, can reduce the propagation of high frequency noise.
Compared with the prior art, the beneficial effects of the utility model are that:
the sound absorption board is laid in the sound insulation device to form a relatively sealed sound absorption environment in a whole machine room, noise transmission is reduced, the silencing pipe with holes fully covered on the surface is arranged in the silencing air outlet channel, when noise passes through the silencing air outlet channel, noise with different frequencies enters the silencing pipe through the holes on the silencing pipe, only sound waves with certain frequencies near the inherent frequency of the holes can enter the second silencing pipe through the holes, and the other sound waves can only be reflected back and forth in the silencing pipe, so that the noise with medium and low frequencies is reduced, the inclined sound absorption board with salient points on the surface is arranged in the silencing air outlet channel, when the noise comes to the inclined sound absorption board through the silencing pipe, the cross section direction of the inclined sound absorption board when the noise passes through the air outlet channel is changed by utilizing the inclined sound absorption board, so as to further reduce the noise with medium and low frequencies, and the noise is rubbed between the inclined sound absorption boards by arranging a plurality of salient points on the surface of the inclined, thereby converting the heat energy into heat energy to be consumed, and reducing the transmission of high-frequency noise;
through being equipped with four shock attenuation posts in generator below, and the punch holder fixed mounting of shock attenuation post prevents because of generator work vibrations, produces lateral shifting power, strengthens the stability of generator, reduces the noise that produces in the generator course of operation.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic sectional structure of the present invention;
FIG. 2 is a schematic structural view of the telescopic rod sleeve of the present invention;
fig. 3 is a left side view of the middle silencing air outlet channel of the present invention;
fig. 4 is a top view of the muffling air-out channel of the present invention;
FIG. 5 is an enlarged view of the shock post of the present invention;
fig. 6 is a front view of the sound-absorbing plate of the present invention;
in the figure: 1. a sound-proofing device; 2. a generator; 3. a shock-absorbing post; 4. a silencing air outlet channel; 5; a screw 6 and a silencing tube; 7. an oblique sound-absorbing plate; 8. a sound-absorbing panel; 9. a blower; 10. an upper splint; 11. a spring; 12. a telescopic rod; 13. a telescopic rod sleeve; 14. a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: the noise control equipment for the environmental protection project comprises a sound insulation device 1, wherein a sound absorption plate 8 is laid in the sound insulation device 1, the interior of the sound insulation device 1 is provided with a generator 2, the bottom of the generator 2 is provided with a shock absorption column 3, the bottom of the upper splint 10 is fixedly provided with a telescopic rod 12, the lower end of the telescopic rod 12 is inserted in a telescopic rod sleeve 13, the bottom end of the telescopic rod sleeve 13 is arranged on the base 14, the outer side of the telescopic rod sleeve 13 is sleeved with the spring 11, the upper end and the lower end of the spring 11 are respectively fixed on the upper clamping plate 10 and the base 14, the left wall of the sound insulation device 1 is provided with a silencing air outlet channel 4, a silencing pipe 6 is horizontally arranged between the left wall and the right wall of the silencing air outlet channel 4, the left wall and the right wall of the silencing air outlet channel 4 are respectively provided with an inclined silencing plate 7, and the right wall of the silencing air outlet channel 4 is provided with an exhaust fan 9.
In this embodiment: the utility model provides a noise control equipment for environmental protection engineering, includes noise insulation 1, and sound absorbing plate 8 has been laid to the inside of noise insulation 1, and the internally mounted of noise insulation 1 has generator 2, shock absorber column 3 is installed to the bottom of generator 2, the bottom fixed mounting of punch holder 10 has telescopic link 12, the lower extreme of telescopic link 12 is pegged graft in telescopic link cover 13, the bottom of telescopic link cover 13 is installed on base 14, spring 11 has been cup jointed to the outside of telescopic link cover 13, the upper and lower both ends of spring 11 are fixed respectively on punch holder 10 and base 14, the left wall of noise insulation 1 is installed amortization air-out passageway 4, horizontal installation has amortization pipe 6 between the two walls of the left and right sides of amortization air-out passageway 4, oblique acoustical panel 7 is installed respectively to two walls of the left and right sides of amortization air-out passageway 4, install air exhauster 9 on the right wall of, the output shaft of air exhauster 9 and motor links to each other, opens air exhauster 9, and the noise passes through the air flow and inhales in amortization air-out passageway 4 and can pass through amortization air-out pipeline 4 with the heat in noise insulation 1 and discharge, increases the life of generator.
Specifically, holes are distributed on the surface of the sound-absorbing plate 8; by laying the sound-absorbing plate 8 with holes, the whole sound-absorbing device 1 forms a relatively sealed sound-absorbing environment, and noise transmission is reduced.
Specifically, the number of the shock absorption columns 3 is four, and the upper clamping plate 10 of each shock absorption column 3 and the bottom of the generator 2 are fixed through screws 5; the transverse moving force generated by the working vibration of the generator 2 is prevented, and the stability of the generator 2 is enhanced.
Specifically, the silencing tube 6 is a hollow cylinder with holes covered on the surface; when the noise passes through the silencing air outlet channel 4, the noise with different frequencies enters the silencing pipe 6 through the holes on the silencing pipe 6, only the sound waves with certain frequencies near the natural frequency of the holes can enter the second silencing pipe through the holes, and the other sound waves can be reflected back and forth in the silencing pipe 6, so that the noise with medium and low frequencies is reduced.
Specifically, the inclined silencing plate 7 and the left wall of the silencing air outlet channel 4 form an included angle of 45 degrees, and a plurality of salient points are arranged on the surface of the inclined silencing plate; when the noise comes to oblique abatvoix 7 through muffler pipe 6 on, utilize oblique abatvoix 7 to change the cross-sectional direction when the noise passes through air-out passageway 4, come further to reduce the noise of medium and low frequency, through being equipped with a plurality of bumps on oblique abatvoix 7's surface for the noise rubs between the bump on oblique abatvoix 7, thereby changes the heat energy consumption into, can reduce the propagation of high frequency noise.
The working principle and the using process of the invention are as follows: four shock absorption columns 3 are arranged below the generator 2, and an upper clamping plate 10 of each shock absorption column 3 is fixed at the bottom of the generator 2 through a screw 5, so that the transverse moving force generated by the working vibration of the generator is prevented, the stability of the generator is enhanced, the vibration noise generated by the generator 2 can be reduced, and the noise is reduced from a noise source; the exhaust fan 9 is opened, noise is sucked into the silencing air outlet channel 4 through air flow and heat in the sound insulation device 1 can be discharged through the silencing air outlet pipeline 4, the service life of the generator is prolonged, the silencing pipe 6 with holes fully covered on the surface is arranged in the silencing air outlet channel 4, when the noise passes through the silencing air outlet channel 4, noise with different frequencies enters the silencing pipe 4 through the holes on the silencing pipe 6, only sound waves with certain frequencies near the natural frequency of the holes can enter the second silencing pipe through the holes, other sound waves can be reflected back and forth in the silencing pipe 6, noise with medium and low frequencies is reduced, the inclined silencing plate 7 with salient points on the surface is arranged in the silencing air outlet channel 4, when the noise comes to the inclined silencing plate 7 through the silencing pipe 6, the inclined silencing plate 7 is used for changing the section direction when the noise passes through the air outlet channel 4, come the noise of further reducing medium and low frequency, through being equipped with a plurality of bumps on oblique acoustical panel 7's surface for the noise rubs between oblique acoustical panel 7 bump, thereby changes into heat energy consumption and falls, can reduce the propagation of high frequency noise, and lays the abatvoix inside noise insulation device 1, makes whole noise insulation device 1 form the relatively sealed environment of inhaling sound, reduces the noise and propagates.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a noise control equipment for environmental protection engineering which characterized in that: the damping and air-out device comprises a sound insulation device (1), a sound absorption plate (8) is laid in the sound insulation device (1), a generator (2) is installed in the sound insulation device (1), a damping column (3) is installed at the bottom of the generator (2), a telescopic rod (12) is fixedly installed at the bottom of an upper clamping plate (10) of the damping column (3), the lower end of the telescopic rod (12) is inserted into a telescopic rod sleeve (13), the bottom end of the telescopic rod sleeve (13) is installed on a base (14), a spring (11) is sleeved on the outer side of the telescopic rod sleeve (13), the upper end and the lower end of the spring (11) are respectively fixed on the upper clamping plate (10) and the base (14), a damping air-out channel (4) is installed on the left wall of the sound insulation device (1), a damping pipe (6) is horizontally installed between the left wall and the right wall of the damping air-, the left wall and the right wall of the silencing air outlet channel (4) are respectively provided with an inclined silencing plate (7), and the right wall of the silencing air outlet channel (4) is provided with an exhaust fan (9).
2. The noise control apparatus for environmental protection engineering according to claim 1, characterized in that: holes are distributed on the surface of the sound-absorbing plate (8).
3. The noise control apparatus for environmental protection engineering according to claim 1, characterized in that: the number of the shock absorption columns (3) is four, and an upper clamping plate (10) of each shock absorption column (3) and the bottom of the generator (2) are fixed through screws (5).
4. The noise control apparatus for environmental protection engineering according to claim 1, characterized in that: the silencing pipe (6) is a hollow cylinder with holes covered on the surface.
5. The noise control apparatus for environmental protection engineering according to claim 1, characterized in that: the inclined silencing plate (7) and the left wall of the silencing air outlet channel (4) form an included angle of 45 degrees, and a plurality of salient points are arranged on the surface of the inclined silencing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022257593.3U CN213574364U (en) | 2020-10-12 | 2020-10-12 | Noise prevention and control equipment for environmental protection engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022257593.3U CN213574364U (en) | 2020-10-12 | 2020-10-12 | Noise prevention and control equipment for environmental protection engineering |
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| Publication Number | Publication Date |
|---|---|
| CN213574364U true CN213574364U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022257593.3U Active CN213574364U (en) | 2020-10-12 | 2020-10-12 | Noise prevention and control equipment for environmental protection engineering |
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| CN (1) | CN213574364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996430A (en) * | 2021-10-21 | 2022-02-01 | 山东鑫海矿业技术装备股份有限公司 | Assembled sound-proof housing and broken system of vortex that noise reduction effect is good |
-
2020
- 2020-10-12 CN CN202022257593.3U patent/CN213574364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996430A (en) * | 2021-10-21 | 2022-02-01 | 山东鑫海矿业技术装备股份有限公司 | Assembled sound-proof housing and broken system of vortex that noise reduction effect is good |
| CN113996430B (en) * | 2021-10-21 | 2023-01-10 | 山东鑫海矿业技术装备股份有限公司 | Assembled sound-proof housing for noise reduction and vortex crushing system |
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