CN205654615U - Inhale sound noise insulation - Google Patents

Inhale sound noise insulation Download PDF

Info

Publication number
CN205654615U
CN205654615U CN201620422140.2U CN201620422140U CN205654615U CN 205654615 U CN205654615 U CN 205654615U CN 201620422140 U CN201620422140 U CN 201620422140U CN 205654615 U CN205654615 U CN 205654615U
Authority
CN
China
Prior art keywords
sound
abatvoix
absorbing
reflecting plate
arrester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201620422140.2U
Other languages
Chinese (zh)
Inventor
霍沛强
樊晓茹
李刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Original Assignee
China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd filed Critical China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Priority to CN201620422140.2U priority Critical patent/CN205654615U/en
Application granted granted Critical
Publication of CN205654615U publication Critical patent/CN205654615U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model discloses an inhale sound noise insulation, include the first abatvoix of inhaling the sound reflecting plate and being the cavity tubular structure, it is located the mouth of pipe front side of fan inlet tube to inhale the sound reflecting plate, first abatvoix is located inhale sound reflecting plate one side near the fan inlet tube, the first end of first abatvoix with it connects to inhale the sound reflecting plate, the outside at the fan inlet tube is established to the second end opening and the cover of first abatvoix. Inhale sound noise insulation carries out the front and inhales the sound energy dissipation through inhaling the sound reflecting plate to arrange first abatvoix and further inhale the sound energy dissipation on the possible reflection direction of sound, the noise can be absorbed by multiple reflection, inhales sound effectual, the effective noise reduction that gives sound insulation.

Description

Sound-absorbing sound arrester
Technical field
This utility model relates to environmental protection machinery field, particularly relates to a kind of sound-absorbing sound arrester.
Background technology
Blower fan operationally, the turbulent air flow in blade high speed rotating and airflow collision, volute of blower, all can Producing sharp-pointed noise, noise can be along fans entrance and outlet conduit to atmospheric propagation.The noise base of blower fan Originally it is based on medium, high frequency, working environment can cause noise pollution, infringement run the person of operator Healthy.Therefore, from the various blower fans of air air draught typically will fans entrance, fan outlet pipeline set Put deafener, cut down the noise propagated by air-flow by deafener.Traditional, the noise reduction of fans entrance Device typically uses the structure of multiple unit channel, lays quieter material in each passage, and air-flow enters deafener Being become multiply low discharge air-flow by each channel allocation afterwards, the when that air-flow flowing through passage, sound wave is with sound-absorbing material altogether Shake and loss of energy reduces the purpose of noise.But, owing to sound-absorbing material and the air-flow of deafener are flat Row is arranged, absorbability is limited, and actual motion effect is unsatisfactory.
Summary of the invention
Based on this, this utility model is to overcome the defect of prior art, it is provided that a kind of sound-absorbing soundproof effect is good, Can effectively reduce the sound-absorbing sound arrester of noise.
Its technical scheme is as follows:
A kind of sound-absorbing sound arrester, including sound-absorbing reflecting plate and the first abatvoix in hollow cylindrical configuration, Described sound-absorbing reflecting plate is positioned on front side of the mouth of pipe of fans entrance pipe, and it is anti-that described first abatvoix is positioned at described sound-absorbing Penetrating the plate side near fans entrance pipe, the first end of described first abatvoix is connected with described sound-absorbing reflecting plate, Second end opening of described first abatvoix is also located at the outside of fans entrance pipe.
Wherein in an embodiment, described sound-absorbing reflecting plate includes reflecting plate body and the second abatvoix, institute Stating reflecting plate body and be positioned at described second abatvoix side away from fans entrance pipe, described reflection plate body is with described Second abatvoix connects.
Wherein in an embodiment, described sound-absorbing sound arrester also includes at least one deafener, described in disappear Sound device is arranged between fans entrance pipe and fan connecting tube.
Wherein in an embodiment, described deafener is multiple, multiple deafener installed in series in orders.
Wherein in an embodiment, described second abatvoix includes the multiple layer sound suction plate being made up of sound-absorbing material Body.
Wherein in an embodiment, described reflection plate body is aluminium alloy, carbon steel, rustless steel or color steel, Described first abatvoix, the second abatvoix be polyester fibre acoustic panel, groove wood abatvoix, hole wood abatvoix or Mineral wool.
Wherein in an embodiment, described sound-absorbing sound arrester also includes for supporting described sound-absorbing reflecting plate Or first support connecting frame of abatvoix.
Wherein in an embodiment, described sound-absorbing reflecting plate is welded to connect with described first abatvoix.
The beneficial effects of the utility model are:
Above-mentioned sound-absorbing sound arrester, by arranging sound-absorbing reflecting plate and the first abatvoix, when noise passes through blower fan The mouth of pipe of inlet tube is when atmospheric environment is propagated, and part acoustic energy can be absorbed by sound-absorbing reflecting plate, portion Point do not have absorbed acoustic energy by sound-absorbing baffle reflection to the first abatvoix, and then can continue by first Abatvoix carries out absorbing and weakens, and the noise finally traveled in atmospheric environment is significantly reduced.Institute State sound-absorbing sound arrester, carry out front sound-absorbing energy dissipating by sound-absorbing reflecting plate, and in the possible reflection side of sound Upwards arranging that the first abatvoix carries out further sound-absorbing energy dissipating, noise can be absorbed by multiple reflections, inhales Sound soundproof effect is good, can effectively reduce noise.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sound-absorbing sound arrester described in this utility model embodiment.
Description of reference numerals:
10, sound-absorbing reflecting plate, 110, reflection plate body, the 120, second abatvoix, the 20, first abatvoix, 30, deafener, 100, fans entrance pipe, 200, fan connecting tube.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
As it is shown in figure 1, a kind of sound-absorbing sound arrester, including sound-absorbing reflecting plate 10 and in hollow cylindrical configuration The first abatvoix 20, described sound-absorbing reflecting plate 10 is positioned on front side of the mouth of pipe of fans entrance pipe 100, described One abatvoix 20 is positioned at described sound-absorbing reflecting plate 10 near the side of fans entrance pipe 100, and described first inhales First end of soundboard 20 is connected with described sound-absorbing reflecting plate 10, the second end opening of described first abatvoix 20, Second end shield of described first abatvoix 20 is located at the outside of fans entrance pipe 100.First abatvoix 20 Second end opening, will not hinder the air inlet effect of blower fan, shows the flow direction of air-flow in Fig. 1.This reality Shi Zhong, described sound-absorbing reflecting plate 10 is attached by welding with described first abatvoix 20, connects reliable, Noise will not be flowed out by the gap of junction, and soundproof effect is good.
By using said structure, when noise is propagated to atmospheric environment by the mouth of pipe of fans entrance pipe 100, Part acoustic energy can be absorbed by sound-absorbing reflecting plate 10, and part does not has the absorbed acoustic energy can be by sound-absorbing Reflecting plate 10 reflexes on the first abatvoix 20, and then continues to be carried out absorbing by the first abatvoix 20 to weaken, The noise finally traveled in atmospheric environment is significantly reduced.Described sound-absorbing sound arrester, passes through Sound-absorbing reflecting plate 10 carries out front sound-absorbing energy dissipating, and arranges the first suction on the offside reflection direction that sound is possible Soundboard 20 carries out further sound-absorbing energy dissipating, and noise can be absorbed by multiple reflections, sound-absorbing soundproof effect is good, Can effectively reduce noise.
In the present embodiment, described sound-absorbing reflecting plate 10 includes reflecting plate body 110 and the second abatvoix 120, Described reflection plate body 110 is positioned at described second abatvoix 120 side away from fans entrance pipe 100, described Reflection plate body 110 is connected with described second abatvoix 120.Using said structure, the second abatvoix 120 leans on Nearly fans entrance pipe 100, it is possible to have to the noise of atmospheric propagation by the mouth of pipe of fans entrance pipe 100 Effect absorbs, do not have absorbed noise then through after the first abatvoix 120 under the effect of reflection plate body 110 Reflex on the first abatvoix 20, carry out sound-absorbing energy dissipating by the first abatvoix 20, reasonable in design, Can effectively carry out absorbing sound and lowering noise.
Described sound-absorbing sound arrester also includes that at least one deafener 30, described deafener 30 are arranged on blower fan and enter Between mouth pipe 100 and fan connecting tube 200.By arranging deafener 30, when noise is along fan connecting tube 200 when atmospheric propagation, and first noise can carry out the sound-absorbing of primary in deafener 30 and weaken, remaining Acoustic energy is absorbed by sound-absorbing reflecting plate 10 and the first abatvoix 20 the most again, finally travels to atmospheric environment In noise can significantly be reduced.Described sound-absorbing sound arrester is by comprehensive utilization deafener 30 Resonance erasure effect, the reflection erasure effect of sound-absorbing reflecting plate 10, noise can be by resonating and the most anti- Injecting row absorption, sound-absorbing soundproof effect is good, can effectively reduce noise, and erasure effect is much better than only with biography The effect of the deafener 30 of system, it is possible to the health of human body that run operator is effectively ensured.Described deafener 30 Can be one, two or more, in the present embodiment, described deafener 30 is multiple, multiple deafeners 30 Installed in series in order, improves erasure effect further.
Described second abatvoix 120 includes the multiple layer sound suction plate body being made up of sound-absorbing material, it is possible to enter noise Row effectively absorbs and weakens.Described reflection plate body 110 can be aluminium alloy, carbon steel, rustless steel or color steel Deng material, described first abatvoix the 20, second abatvoix 120 can be polyester fibre acoustic panel, the suction of groove wood The materials such as soundboard, hole wood abatvoix or mineral wool.Described reflection plate body the 110, first abatvoix 20, second Abatvoix 120 uses conventional reflecting material or sound-absorbing material, the simple in construction of described sound-absorbing sound arrester, Highly versatile, manufacture convenient.
In the present embodiment, described sound-absorbing sound arrester also includes for supporting described sound-absorbing reflecting plate 10 or the first The support connecting frame (not shown) of abatvoix 20.The actual peace of sound-absorbing sound arrester described in the present embodiment When dress is arranged, can be directly erected at the front side of fans entrance pipe 100 by support connecting frame, it is also possible to logical Crossing support connecting frame to be connected with the pipeline of blower fan, concrete can select according to practical situation, mounting means Flexibly, convenient, highly versatile is moved.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special The protection domain of profit should be as the criterion with claims.

Claims (8)

1. a sound-absorbing sound arrester, it is characterised in that include sound-absorbing reflecting plate and in hollow cylindrical configuration The first abatvoix, described sound-absorbing reflecting plate is positioned on front side of the mouth of pipe of fans entrance pipe, described first abatvoix Being positioned at described sound-absorbing reflecting plate near the side of fans entrance pipe, the first end of described first abatvoix is with described Sound-absorbing reflecting plate connects, and the second end opening of described first abatvoix is also located at the outside of fans entrance pipe.
Sound-absorbing sound arrester the most according to claim 1, it is characterised in that described sound-absorbing reflecting plate bag Including reflection plate body and the second abatvoix, described reflecting plate body is positioned at described second abatvoix away from fans entrance The side of pipe, described reflection plate body is connected with described second abatvoix.
Sound-absorbing sound arrester the most according to claim 2, it is characterised in that also include that at least one disappears Sound device, described deafener is arranged between fans entrance pipe and fan connecting tube.
Sound-absorbing sound arrester the most according to claim 3, it is characterised in that described deafener is multiple, Multiple deafener installed in series in orders.
Sound-absorbing sound arrester the most according to claim 2, it is characterised in that described second abatvoix bag Include the multiple layer sound suction plate body being made up of sound-absorbing material.
6. according to the sound-absorbing sound arrester described in any one of claim 2-5, it is characterised in that described reflection Plate body is aluminium alloy, carbon steel, rustless steel or color steel, and described first abatvoix, the second abatvoix are polyester Fiber abatvoix, groove wood abatvoix, hole wood abatvoix or mineral wool.
7. according to the sound-absorbing sound arrester described in any one of claim 1-5, it is characterised in that also include using In supporting described sound-absorbing reflecting plate or the support connecting frame of the first abatvoix.
8. according to the sound-absorbing sound arrester described in any one of claim 1-5, it is characterised in that described sound-absorbing Reflecting plate is welded to connect with described first abatvoix.
CN201620422140.2U 2016-05-10 2016-05-10 Inhale sound noise insulation Withdrawn - After Issue CN205654615U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620422140.2U CN205654615U (en) 2016-05-10 2016-05-10 Inhale sound noise insulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620422140.2U CN205654615U (en) 2016-05-10 2016-05-10 Inhale sound noise insulation

Publications (1)

Publication Number Publication Date
CN205654615U true CN205654615U (en) 2016-10-19

Family

ID=57403521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620422140.2U Withdrawn - After Issue CN205654615U (en) 2016-05-10 2016-05-10 Inhale sound noise insulation

Country Status (1)

Country Link
CN (1) CN205654615U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106015110A (en) * 2016-05-10 2016-10-12 中国能源建设集团广东省电力设计研究院有限公司 Noise absorption and isolation device and silencing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106015110A (en) * 2016-05-10 2016-10-12 中国能源建设集团广东省电力设计研究院有限公司 Noise absorption and isolation device and silencing method thereof

Similar Documents

Publication Publication Date Title
CN106402974B (en) A kind of noise reduction range hood
CN106482187B (en) A kind of application has the range hood of noise reduction impeller
CN206207518U (en) A kind of noise reduction impeller and application have the range hood of the impeller
CN206176503U (en) Range hood that makes an uproar falls
CN109404346A (en) A kind of low noise quo of local Fan for Mine
CN106368967A (en) Pedestal and bladeless fan
CN205654615U (en) Inhale sound noise insulation
CN106015110A (en) Noise absorption and isolation device and silencing method thereof
CN206207517U (en) A kind of noise reduction impeller and application have the range hood of the impeller
JPH06159752A (en) Fan filter device for clean room
CN203586511U (en) Silencing structure of air conditioner and air conditioner
CN201334938Y (en) Airflow muffler
CN208474122U (en) The silencing means of Roots blower
CN208936496U (en) Spread silencing apparatus and vent passages sound-attenuating system
CN111022373A (en) Converter silencing air duct system and method for reducing low-frequency noise
CN109340192A (en) Kitchen ventilator
CN204332355U (en) Formaldehydeless environment-friendly type sound suppressor
CN201334939Y (en) Emptying muffler
CN205348870U (en) Portable silence generators
CN103216469A (en) Photonic crystal structure low and medium frequency rectification and noise reduction device for centrifugal fan
CN208651290U (en) A kind of muffler
CN207879717U (en) Metope exhaust fan composite muffler
CN206035910U (en) Remove haze high tower special blower
CN113153825A (en) A silencing device and fan for fan
CN208750799U (en) A kind of low-noise exhauster for removing cooking fumes

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20161019

Effective date of abandoning: 20181123

AV01 Patent right actively abandoned