CN106015111B

CN106015111B - A kind of mute wind turbine

Info

Publication number: CN106015111B
Application number: CN201610378687.1A
Authority: CN
Inventors: 冯洁莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-31
Filing date: 2016-05-31
Publication date: 2018-09-25
Anticipated expiration: 2036-05-31
Also published as: CN106015111A

Abstract

The invention discloses a kind of mute wind turbine, including fan main body, the side of fan main body offers air inlet；Fan main body is in hollow form, and an air compartment is formed in fan main body, and the hollow space of fan main body is enclosed set on the outside of air compartment；Air inlet is equipped with sound-absorbing part and head cover, and head cover is set to the one end of air inlet far from fan main body, and head cover forms projection portion close to the middle part of the side of fan main body, and the periphery of projection portion forms taper surface；Head cover is located at the edge on the outside of air inlet and forms the first extension；Sound-absorbing part is enclosed close to one end of fan main body set on the inside of air inlet, and the one end of sound-absorbing part far from fan main body is enclosed set on the inside of head cover；The diameter of the taper surface close to one end of fan main body to one end far from fan main body by gradually increasing；First extension to one end far from fan main body close to one end of fan main body towards close to the direction of sound-absorbing part by gradually tilting.The mute wind turbine of the present invention, performance muffler are good.

Description

A kind of mute wind turbine

Technical field

The present invention relates to wind turbine technical field more particularly to a kind of mute wind turbines.

Background technology

General centrifugal blower, in the impeller that the air inlet installation one of fan main body runs at high speed, leads to during running It crosses the impeller and carries out exhausting, but due to impeller and air severe friction, will produce very big noise, cause existing most on the market Wind turbine will produce loud noise at work, can not be applied in the environment more demanding to quiet degree.To realize muting function, It is existing in the industry generally by the way that the structures such as sound-proof material are directly arranged on existing blower housing, but soundproof effect is bad.

Invention content

For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of mute wind turbine, wind can be improved The mute performance of machine.

The purpose of the present invention is realized using following technical scheme：

A kind of mute wind turbine, including fan main body, the side of fan main body offer air inlet；Fan main body is in hollow Shape, and an air compartment is formed in fan main body, the hollow space of fan main body is enclosed set on the outside of air compartment；The air compartment and air inlet Connection；Air inlet is equipped with sound-absorbing part and head cover, and head cover is set to the one end of air inlet far from fan main body, and head cover and wind turbine master The end surfaces of body form an air inlet gap, which is connected to air inlet；Head cover is in the side of fan main body Portion protrudes to form projection portion towards the direction close to fan main body, and the periphery of projection portion forms taper surface；Head cover is located at air inlet The edge in outside forms the first extension；Sound-absorbing part is enclosed close to one end of fan main body set on the inside of air inlet, and sound-absorbing part is remote One end from fan main body is enclosed set on the inside of head cover, and projection portion is located at the inside of sound-absorbing part, and the first extending part is in sound-absorbing part Outside；The diameter of the taper surface close to one end of fan main body to one end far from fan main body by gradually increasing；First Extension to one end far from fan main body close to one end of fan main body towards close to the direction of sound-absorbing part by gradually tilting.

Preferably, the inner wall of air inlet is arranged close to the end outer wall interval of fan main body with sound-absorbing part and forms a sound-absorbing Gap；And the inner wall of air inlet is gradually inclined away from sound-absorbing part direction by one end far from head cover to one end close to head cover Tiltedly.

Preferably, one is installed in air inlet into air duct, sound-absorbing part is attached at close to one end of fan main body into air duct On inner wall；Multiple air inlet holes being connected to air inlet are offered on into the side wall of air duct.

Preferably, multiple connectors are equipped with into the outer wall of air duct, which includes that the first connection sheet and second connect Contact pin, the first connection sheet are fixedly connected with first extension, and the second connection sheet is fixedly connected with the end wall of the air inlet.

Preferably, be equipped with the air inlet grid that is connected to air inlet close to one end of fan main body into air duct, it is the multiple into The intake of air holes is more than the intake of air inlet grid.

Preferably, multiple air inlet holes include multiple first air inlet holes of the central axis circumference array for moving into air duct and more A second air inlet hole, multiple first air inlet holes are distributed in one end far from fan main body into air duct；Multiple second air inlet pore size distributions In into air duct close to one end of fan main body.

Preferably, fan main body is fastened by hollow first shell and second shell and is formed, and first shell is close to second shell The sunken end face of body forms the first recess, and the sunken end face of the close first shell of second shell forms the second recess, the wind Room is surrounded jointly by the first recess and the second recess.

Preferably, second shell encloses the first protrusion on the outside of the second recess on the end face of first shell with one Portion, first protrusion offer the third recess with opening, the opening direction direction on the end face of first shell First shell；First shell has sealing on the end face of second shell, and the sealing is for being covered in the opening So that inner wall of the sealing close to the end face of first shell, third recess surrounds a seal clearance jointly, filled in seal clearance There is sound-absorbing material layer.

Preferably, the first protruding parts forms a first surface in the outside of third recess, and sealing position is in the opening Outside there is one first extension, first extension to have one to be attached at the second curved surface outside first surface.

Preferably, first shell close to the end face of second shell be equipped be located at the first recess on the outside of the 4th recess, second Shell is equipped with the second protrusion being located on the outside of the first protrusion close to the end face of first shell, and second protrusion is for setting In in the 4th recess；And the 4th wears in recess and the second protrusion and is connected to for making first shell be fixedly connected with second shell One connecting pole.

Compared with prior art, the beneficial effects of the present invention are：It generates the impeller of noise and is mounted in air compartment, and wind turbine Main body is in hollow form, and fan main body hollow space is disposed around outside air compartment, outside the noise and fan main body that such impeller generates Portion is the outflow outward, and then physically significantly ground resistance again after two cavitys of hollow space of air compartment and Blower Housing The outside propagation of noise is disturbed；In addition, being equipped with sound-absorbing part and head cover in air inlet, one end of sound-absorbing part is made to be disposed around air inlet Inside, the other end of sound-absorbing part is disposed around on the outside of the projection portion of head cover, and the taper surface diameter that the periphery of projection portion is formed by Gradually increase to one end far from fan main body close to one end of fan main body, can will be so passed in sound-absorbing part by air inlet In sound wave reflection to sound-absorbing part inner wall, the sound-absorbing efficiency of sound-absorbing part is improved；Likewise, the first extension of head cover is by close One end of fan main body to one end far from fan main body is gradually tilted towards close to the direction of sound-absorbing part, also can will be through air inlet The noise part of outflow reflexes on the outer wall of sound-absorbing part, further increases the sound-absorbing efficiency of sound-absorbing part, to improve entire wind The performance muffler of machine.

Description of the drawings

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the decomposition texture schematic diagram of the present invention；

Fig. 3 is the decomposition texture schematic diagram of the fan main body of the present invention；

Fig. 4 is the cross section structure schematic diagram of the present invention；

Fig. 5 is structure enlargement diagram at the A in Fig. 4.

In figure：100, fan main body；10, gap is entered the wind；20, head cover；21, projection portion；22, the first extension；30, sound-absorbing Part；40, into air duct；41, the first air inlet hole；42, the second air inlet hole；43, the first connection sheet；44, the second connection sheet；45, it enters the wind Grid；50, sound-absorbing gap；60, first shell；61, air inlet；62, the first recess；63, sealing；14, the second curved surface；70、 Second shell；71, the second recess；72, third recess；73, first surface；74, the first protrusion；75, the second protrusion；80、 Seal clearance；90, sound-absorbing material layer；200, impeller.

Specific implementation mode

In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further：

A kind of mute wind turbine as shown in Figs. 1-5, including fan main body 100, the side of fan main body 100 offer air inlet Mouth 61, fan main body 100 is in hollow form, and an air compartment is formed in fan main body 100, which is connected to air inlet 61；Wind The hollow space of owner's body 100 is enclosed set on the outside of air compartment；It will can be mounted in the air compartment for the impeller 200 of exhausting, so The noise that the impeller 200 that entire wind turbine can be worked normally, and be operated in air compartment generates can be by the air compartment and first shell 60 It is spread out of again after two cavitys of hollow space, and then sonic propagation of making an uproar can be obstructed layer by layer, physically significantly obstructed and made an uproar The outside propagation of sound so that the muting function of the shell is good.

In addition, being equipped with sound-absorbing part 30 and head cover 20 at air inlet 61, specific head cover 20 is set to air inlet 61 far from wind turbine One end of main body 100, and the end surfaces of head cover 20 and fan main body 100 form an air inlet gap 10, the air inlet gap 10 with Air inlet 61 is connected to, and is entered the wind for fan main body 100.Head cover 20 close to the side of fan main body 100 middle part towards close to wind The direction of owner's body 100 protrudes to form projection portion 21, and the periphery of projection portion 21 forms taper surface, and head cover 20 is located at air inlet 61 The edge in outside forms the first extension 22.

In addition, above-mentioned sound-absorbing part 30 is enclosed close to one end of fan main body 100 set on the inside of air inlet 61 so that sound-absorbing part 30 one end far from fan main body 100 are enclosed set on the inside of above-mentioned head cover 20, and specific projection portion 21 is located at the inside of sound-absorbing part 30, The i.e. described taper surface is located at the inside of sound-absorbing part 30, and the first extension 22 is located at the outside of sound-absorbing part 30；At the same time, described The diameter of taper surface close to one end of fan main body 100 to one end far from fan main body 100 by gradually increasing；And first extends Portion 22 is by one end to one end far from fan main body 100 of close fan main body 100 gradually towards close to the direction of sound-absorbing part 30 It tilts.

On the basis of the said structure, since the noise for the generation that runs at high speed can be inhaled by air inlet 61 is incoming at air inlet 61 In sound part 30, it can be reflexed on the inner wall of sound-absorbing part 30 through the taper surface of projection portion 21 into the noise sound wave in sound-absorbing part 30, Such noise sound wave can be absorbed by sound-absorbing part 30, improve the sound-absorbing effect of sound-absorbing part 30；And by the incoming outside of air inlet 61 Noise sound wave can be reached through the reflection of above-mentioned first extension 22 on the outer wall of sound-absorbing part 30, which equally can be by sound-absorbing Part 30 absorbs, to improve the erasure effect of entire wind turbine.

Preferably, in the present embodiment, the end outer wall of the inner wall of air inlet 61 and sound-absorbing part 30 close to fan main body 100 Interval is arranged and forms a sound-absorbing gap 50；And the inner wall of air inlet 61 is by one end far from fan main body 100 to close wind turbine One end of main body 100 is gradually tilted towards close to 30 direction of sound-absorbing part, on the architecture basics, the noise that is spread out of by air inlet 61 Sound wave part can enter in above-mentioned sound-absorbing gap 50, which can be same under the action of above-mentioned 61 inner wall of air inlet It reflexes on 30 inner wall of sound-absorbing part, to be absorbed by sound-absorbing part 30, further increases the erasure effect of entire wind turbine.

Preferably, can be fixed one into air duct 40 in above-mentioned air inlet 61 so that sound-absorbing part 30 close to fan main body 100 one End is attached at on the inner wall of air duct 40；Multiple air inlet holes being connected to air inlet 61 are offered on into the side wall of air duct 40, such as This noise sound wave spread out of by air inlet 61 can be through can directly be absorbed by sound-absorbing part 30 through air inlet hole, and sound-absorbing effect is more preferable.Certainly, This also allows for the installation of above-mentioned sound-absorbing part 30 into the installation of air duct 40.

Multiple connectors specifically are equipped with into the outer wall of air duct 40, which connects including the first connection sheet 43 and second Contact pin 44, the first connection sheet 43 are fixedly connected with first extension 22, the end of the second connection sheet 44 and the air inlet 61 Wall is fixedly connected, and on the one hand will directly can be fixed on fan main body 100 into air duct 40, another convenience also makes above-mentioned sound-absorbing part 30 It is preferably mounted in air inlet 61, so that sound-absorbing part 30 can absorb the noise sound wave spread out of by air inlet 61 more as far as possible.

Further, it is connected to air inlet 6110 in above-mentioned can be also equipped with close to one end of fan main body 100 into air duct 40 Air inlet grid 45 so that from blower interior spread out of noise sound wave it is as much as possible from into air duct 40 spread out of, be convenient for sound-absorbing part 30 pairs its absorb；In addition, the intake of multiple air inlet holes described above is more than the intake of air inlet grid 45, it is so convenient more Noise sound wave be attached at into 30 outer wall of sound-absorbing part on 40 inner wall of air duct and directly absorb, improve sound-absorbing efficiency.

Further, multiple air inlet holes include multiple first air inlet holes 41 and multiple second air inlet holes 42, multiple first into Air holes 41 and multiple second air inlet holes 42 move into the central axis circumference array of air duct 40, and multiple first air inlet holes 41 are distributed In into the one end of air duct 40 far from fan main body 100；Multiple second air inlet holes 42 are distributed in into air duct 40 close to fan main body 100 One end, the first neighbouring air inlet hole 41 of one of which and the second air inlet hole 42 with adjacent another group neighbouring the " cross " reinforcing rib can be formed between one air inlet hole 41 and the second air inlet hole 42 so that the structure into air duct 40 is more secured.

Preferably, in the present embodiment, above-mentioned fan main body 100 can fasten shape by first shell 60 and second shell 70 At, specific first shell 60 is hollow, and first shell 60 forms the first recess 62 close to the sunken end face of second shell 70, Second shell 70 forms the second recess 71 close to the sunken end face of first shell 60, and above-mentioned air compartment is recessed by the first recess 62 and second Position 71 surrounds jointly, and so the noise mounted on the indoor generation of impeller 200 of wind is by the air compartment and the hollow portion of first shell 60 Spread out of again after being divided to two cavitys, and then sonic propagation of making an uproar can be obstructed layer by layer, physically significantly obstructed noise to Outer propagation so that the muting function of the shell is good.

In addition, enclosing the set on the outside of the second recess 71 with one on the end face of first shell 60 in second shell 70 One protrusion 74, first protrusion 74 offer the third recess 72 with opening, institute on the end face of first shell 60 Opening direction is stated towards first shell 60；Correspondingly, there is sealing on the end face of second shell 70 in first shell 60 63, the sealing 63 is for being covered in the opening, and such sealing 63 is close to the end face of first shell 60, third recess 72 Inner wall surround a seal clearance 80 jointly, sound-absorbing material layer 90 is filled in the seal clearance 80；On the basis of above structure On, the noise spread out of outward by air compartment can pass through seal clearance 80, to be absorbed by the attractive material layer in seal clearance 80, with Seal clearance 80 also physically can further obstruct noise and propagate outward simultaneously for this, achieve the effect that further mute.

Preferably, in the present embodiment, the first protrusion 74 is located at one first surface 73 of outside formation of third recess 72, Likewise, there is one second extension, second extension to have one second curved surface in the outside that sealing 63 is located at the opening 14, when fastening first shell 60 and second shell 70, the second curved surface 14 can be attached at outside first surface 73, so above-mentioned close Envelope portion 63 contacts even closer with third recess 72, can reinforce the erasure effect in this position.

In order to further consolidate the connection structure between first shell 60 and second shell 70, can be leaned in first shell 60 The end face of nearly second shell 70 is equipped with the 4th recess for being located at 62 outside of the first recess, likewise, in second shell 70 close to the The end face of one shell 60 is equipped with the second protrusion 75 for being located at 74 outside of the first protrusion, in first shell 60 and second shell 70 When fastening, which is used in the 4th recess, facilitates positioning；Simultaneously in the 4th recess and the second protrusion It is worn in 75 and connects one first connecting pole, for making first shell 60 be fixedly connected with second shell 70.Further, it can also seal It is worn in portion 63 and third recess 72 and is connected to the second connecting pole, be equally also used for that first shell is made to be fixedly connected with second shell 70.When So, the connectors such as bolt or screw can be used in above-mentioned first connecting pole and the second connecting pole.

Certainly, in the present embodiment, above-mentioned sound-absorbing part 30 is concretely cylindrical in shape the acoustical cotton of structure, and sound-absorbing material layer 90 also can be selected acoustical cotton, the specific noise that on the one hand can be absorbed 100 inside of fan main body using acoustical cotton and generate, another party Face can also make the inside of fan main body 100 keep cleaning, improve during air inlet, capable of also playing the role of filtering dust Electrical machinery life.

It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention Within.

Claims

1. a kind of mute wind turbine, including fan main body, the side of fan main body offer air inlet；It is characterized in that, wind turbine master Body is in hollow form, and an air compartment is formed in fan main body, and the hollow space of fan main body is enclosed set on the outside of air compartment；The air compartment It is connected to air inlet；Air inlet is equipped with sound-absorbing part and head cover, and head cover is set to the one end of air inlet far from fan main body, and head cover An air inlet gap is formed with the end surfaces of fan main body, which is connected to air inlet；Head cover is close to fan main body The middle part of side protrudes to form projection portion towards the direction close to fan main body, and the periphery of projection portion forms taper surface；Head cover position Edge on the outside of air inlet forms extension；Sound-absorbing part is enclosed close to one end of fan main body set on the inside of air inlet, sound-absorbing The one end of part far from fan main body is enclosed set on the inside of head cover, and projection portion is located at the inside of sound-absorbing part, and extending part is in sound-absorbing part Outside；The diameter of the taper surface close to one end of fan main body to one end far from fan main body by gradually increasing；Extend Portion to one end far from fan main body close to one end of fan main body towards close to the direction of sound-absorbing part by gradually tilting.

2. mute wind turbine as described in claim 1, which is characterized in that the inner wall of air inlet is with sound-absorbing part close to fan main body End outer wall interval is arranged and forms a sound-absorbing gap；And the inner wall of air inlet is by one end far from head cover to the one of close head cover End is gradually tilted away from sound-absorbing part direction.

3. mute wind turbine as described in claim 1, which is characterized in that be installed with one in air inlet into air duct, sound-absorbing part is close One end of fan main body is attached at on the inner wall of air duct；Multiple air inlets being connected to air inlet are offered on into the side wall of air duct Hole.

4. mute wind turbine as claimed in claim 3, which is characterized in that the outer wall into air duct is equipped with multiple connectors, the company Fitting includes the first connection sheet and the second connection sheet, and the first connection sheet is fixedly connected with the extension, the second connection sheet and The end wall of the air inlet is fixedly connected.

5. mute wind turbine as claimed in claim 3, which is characterized in that be equipped with and air inlet close to one end of fan main body into air duct The air inlet grid of mouth connection, the intake of the multiple air inlet hole are more than the intake of air inlet grid.

6. mute wind turbine as claimed in claim 3, which is characterized in that multiple air inlet holes include the central axis for moving into air duct Multiple first air inlet holes and multiple second air inlet holes of circumference array, multiple first air inlet holes are distributed in into air duct far from wind turbine master One end of body；Multiple second air inlet holes are distributed in one end into air duct close to fan main body.

7. mute wind turbine as described in claim 1, which is characterized in that fan main body is by hollow first shell and second shell It fastens and is formed, first shell forms the first recess close to the sunken end face of second shell, the close first shell of second shell Sunken end face forms the second recess, and the air compartment is surrounded jointly by the first recess and the second recess.

8. mute wind turbine as claimed in claim 7, which is characterized in that second shell has one on the end face of first shell The first protrusion on the outside of the second recess is enclosed, which offers on the end face of first shell with opening Third recess, the opening direction is towards first shell；First shell has sealing on the end face of second shell, should Sealing is for being covered in the opening so that sealing surrounds jointly close to the inner wall of the end face of first shell, third recess One seal clearance, seal clearance is interior to be filled with sound-absorbing material layer.

9. mute wind turbine as claimed in claim 8, which is characterized in that the first protruding parts forms one in the outside of third recess First surface, sealing position in the outside of the opening there is an extension, the extension to have one to be attached at outside first surface The second curved surface.

10. mute wind turbine as claimed in claim 8, which is characterized in that first shell is equipped with position close to the end face of second shell The 4th recess on the outside of the first recess, second shell are equipped with the be located on the outside of the first protrusion close to the end face of first shell Two protrusions, second protrusion are used in the 4th recess；And the 4th wears to be connected in recess and the second protrusion and is used for First shell is set to be fixedly connected with the first connecting pole with second shell.