CN107041107A - A kind of exhaust apparatus - Google Patents
A kind of exhaust apparatus Download PDFInfo
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- CN107041107A CN107041107A CN201710295416.4A CN201710295416A CN107041107A CN 107041107 A CN107041107 A CN 107041107A CN 201710295416 A CN201710295416 A CN 201710295416A CN 107041107 A CN107041107 A CN 107041107A
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- gas channel
- air
- air outlet
- outlet slit
- cuboid
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This application discloses a kind of exhaust apparatus, the overall noise reduction income for improving exhaust apparatus.The exhaust apparatus includes cover, and the cover includes air intlet, the first air outlet slit and the second air outlet slit.Cover and assembled along the side of frame, the air in the frame of the opening output of the side of the promotion lower bearing bracket of fan enters via air intlet to be covered and covered away via the first air outlet slit and the second air outlet slit from described；The inside of cover includes the first gas channel and the second gas channel；The draught area of first gas channel is S1, and the draught area of the second gas channel is S2；When cover includes the first air outlet slit and does not include the second air outlet slit, the inside of cover includes the 3rd gas channel, and the draught area of the 3rd gas channel is S3, and (S1+S2) is more than S3；When cover includes the second air outlet slit and does not include the first air outlet slit, the inside of cover includes the 4th gas channel, and the draught area of the 4th gas channel is S4, and (S1+S2) is more than S4.
Description
Technical field
The application is related to electronic device field, and in particular to a kind of exhaust apparatus.
Background technology
With the improvement of living standards with the enhancing of environmental consciousness, the noise that people discharge to electronic equipment proposes more next
Higher requirement, noise not only turn into product access market important indicator, and as product competition differentiation it is important because
Element.
Exhaust apparatus can be installed, so as to be carried out to the noise of the fan in electronic equipment at noise reduction on an electronic device
Reason.The deployment of electronic equipment needs, and the thickness of exhaust apparatus is limited.Exhaust apparatus can use sound insulating material (such as steel
The larger material of plate, aluminium sheet isodensity) gas channel is constituted to manage the direction of propagation of air-flow, use sound-absorbing material (such as extra large
Sound-absorbing porous materials such as silk floss, fiber etc.) absorb noise.Usual exhaust apparatus is easy to high frequency noise to be absorbed, and middle low frequency noise
It is not easy to absorb.
The performance of exhaust apparatus can be weighed using two indices.Two indices are flow resistance and insertion loss respectively.Its
In, flow resistance refers to inhibition of the exhaust apparatus to air, and the size of flow resistance and air velocity square are directly proportional.Insertion loss
Refer to that consumption of the exhaust apparatus to noise is acted on, insertion loss is directly proportional to the length of gas channel, the thickness of sound-absorbing material.
In the limited thickness of exhaust apparatus, maximize the insertion loss of exhaust apparatus, minimize the flow resistance of exhaust apparatus, exhaust apparatus institute
The overall noise reduction Income Maximum of acquisition.
Existing a kind of exhaust apparatus, as shown in figure 1, configuring " Z " type at fan outlet in the frame of electronic equipment
Gas channel, increases the length of gas channel.But, the air-flow that Z-type gas channel has twice turns round, the flow resistance of exhaust apparatus
Increase.The overall noise reduction income of Z-type gas channel is not high.
The content of the invention
This application provides a kind of exhaust apparatus, the overall noise reduction income for improving exhaust apparatus.
First aspect provides a kind of exhaust apparatus, and the exhaust apparatus includes cover.The cover includes air intlet, the first air and gone out
Mouth and the second air outlet slit.Side assembling of the cover along frame, the air intlet is disposed in the opening of the side of frame, set
In under the promotion of the fan of machine frame inside, the air in the frame of the opening output of the side of frame enters cover via air intlet
And gone out via the first air outlet slit and the second air outlet slit from cover.The inside of the cover includes the first gas channel and the second gas
Circulation road, the entrance of the first gas channel is the Part I of air intlet, and the outlet of the first gas channel includes described first
At least a portion of air outlet slit；The entrance of second gas channel is the Part II of air intlet, and the second gas channel goes out
Mouth includes at least a portion of the second air outlet slit；The Part I of air is moved along first gas channel；Air
Part II is moved along second gas channel；The draught area of first gas channel is S1, second gas channel
Draught area be S2；When the cover includes the first air outlet slit and does not include the second air outlet slit, the inside of the cover includes
3rd gas channel, the entrance of the 3rd gas channel is air intlet, and the outlet of the 3rd gas channel is the first air outlet slit, warp
The air for entering cover by air intlet is moved along the 3rd gas channel, and the draught area of the 3rd gas channel is S3, (S1+S2)
More than S3；When the cover includes the second air outlet slit and does not include the first air outlet slit, the inside of the cover includes the 4th air-flow
Passage, the entrance of the 4th gas channel is air intlet, and the outlet of the 4th gas channel is the second air outlet slit, is entered via air
The air that mouth enters cover is moved along the 4th gas channel, and the draught area of the 4th gas channel is S4, and (S1+S2) is more than S4.
Relative to the technical scheme of only one air outlet slit, the technical scheme of the application includes two air outlet slits.This
The technical scheme of application includes two gas channels, and the draught area sums of two gas channels is more than the logical of gas channel
Wind area.That is, the scheme of the application helps to increase draught area.Wherein, draught area is the minimum of gas channel
Area of section.According to the relation of draught area=ventilation/air velocity, constant situation is kept in the ventilation of unit interval
Under, draught area increase Airflow prompt drop is low.Air velocity can reduce the flow resistance of exhaust apparatus when reducing.In addition, in list
In the case that the ventilation of position time keeps constant, for promoting the rotating speed of fan of air flow also accordingly to reduce.Fan turns
When prompt drop is low, the noise of fan is also decreased.Kept that is, the technical scheme of the application can be realized in radiating effect
In the case of constant, the noise of fan is reduced.Therefore, the technical scheme of the application is favorably improved overall noise reduction income.
In addition to noise of the rotating speed to reduce fan by reducing fan, the exhaust apparatus also includes the first acoustic absorption
Plate, the first acoustic absorption plate is disposed in the inner surface of cover, the noise for absorbing fan, the thickness of the first acoustic absorption plate
Depending on degree can be limited according to the thickness of exhaust apparatus, it is however generally that, the thickness of the first acoustic absorption plate is higher, and acoustically effective is got over
It is good, improve the acoustical absorptivity of the middle low frequency sent to fan by increasing the thickness of the first acoustic absorption plate.
In some possible implementations, the first acoustic absorption plate is arranged in the inner surface of cover, can be inhaled in the first sound
Receive and form the first gas channel and the second gas channel between plate and the side of frame, then the side from frame under the promotion of fan is defeated
The air gone out is divided into two parts when entering and cover via air outlet slit, and the Part I of air is moved along the first gas channel, empty
The Part II of gas is moved along the second gas channel.Wherein, the entrance of the first gas channel is the Part I of air intlet,
The outlet of first gas channel includes the first air outlet slit, and the entrance of the second gas channel is the Part II of air intlet, the
The outlet of two gas channels includes the second air outlet slit.
It can be seen that, the first gas channel and the second gas channel are independent of each other, not there is shared part, relatively
In the technical scheme of only one gas channel, the technical scheme of the application includes two gas channels, according to draught area=
Ventilation/air velocity, in the case where the ventilation of unit interval keeps constant, this draft type is by increasing ventilating surface
Product, reduces air velocity.Can accordingly it be reduced so as to the rotating speed of fan.Can accordingly it be reduced so as to the noise of fan.Therefore,
Such scheme is favorably improved overall noise reduction income.
From unlike above-mentioned first gas channel and the second gas channel, the first gas channel and the second gas channel pair
The draught area answered integrally reduces, i.e. the corresponding draught area of the first gas channel is constant, the corresponding ventilation of the second gas channel
Area reduces.But relative to the technical scheme of only one gas channel, the technical scheme of the application includes two air-flows and led to
Road, equally adds the draught area of air.Wherein, the entrance of the first gas channel is the Part I of air intlet, first
The outlet of gas channel includes the Part I of the first air outlet slit and the second air outlet slit, and the entrance of the second gas channel is
The Part II of air intlet, the outlet of the second gas channel includes the Part II of the second air outlet slit.It can be seen that, the second air
The Part I of outlet and the first air outlet slit the first gas channel of correspondence, Part II the second gas of correspondence of the second air outlet slit
Circulation road.
According to the arrangement needs of exhaust apparatus, the exhaust apparatus also includes second sound baffle, and the second sound absorbs
Plate is disposed in the inner surface of cover and relative with the first acoustic absorption plate, and the second sound baffle is equally used for absorbing fan
Noise.Depending on the thickness of the second sound baffle can be limited according to the thickness of exhaust apparatus, it is however generally that, second sound absorbs
The thickness of plate is higher, and acoustically effective is better.
In some possible implementations, closed according to the relative position of the first acoustic absorption plate and second sound baffle
System, the first gas channel and the second gas channel are formed between the first acoustic absorption plate and second sound baffle, air
Part I is moved along the first gas channel, and the Part II of air is moved along the second gas channel.Wherein, the first air-flow
The entrance of passage is the Part I of air intlet, and the outlet of the first gas channel includes the first air outlet slit, and the second air-flow leads to
The entrance in road is the Part II of air intlet, and the outlet of the second gas channel includes the second air outlet slit.It can be seen that, the first air-flow
Passage and the second gas channel are independent of each other, there is shared part, relative to only one gas channel
Technical scheme, the technical scheme of the application includes two gas channels, so as to effectively increase the draught area of air.In addition,
Relative to the technical scheme of only one of which acoustic absorption plate, using two acoustic absorption plates, the absorption effect of noise is effectively increased
Really.
With the first gas channel and the second air-flow above by the first acoustic absorption plate and the formation of second sound baffle
Unlike passage, the first gas channel and the corresponding draught area of the second gas channel integrally reduce, i.e. the first gas channel
Corresponding draught area is constant, and the corresponding draught area of the second gas channel reduces.But relative to only one gas channel
Technical scheme, the technical scheme of the application includes two gas channels, equally adds the draught area of air.Wherein,
The entrance of one gas channel is the Part I of air intlet, and the outlet of the first gas channel includes the first air outlet slit and the
The Part I of two air outlet slits, the entrance of the second gas channel is the Part II of air intlet, and the second gas channel goes out
Mouth includes the Part II of the second air outlet slit.It can be seen that, the Part I of the second air outlet slit and the first air outlet slit correspondence the
One gas channel, Part II the second gas channel of correspondence of the second air outlet slit.
During implementing, there are a variety of possibility in the shape of cover, for example, cuboid, cylinder or other do not advise
Then body etc., below so that cover is cuboid as an example, is illustrated to exhaust apparatus：
In some possible implementations, cover for cuboid, the first face of cuboid is parallel with the second face of cuboid,
First face arrangement of the first acoustic absorption plate along cuboid, the side assembling of the second face of cuboid along frame.So, it can lead to
The side for crossing the first acoustic absorption plate and frame forms the first gas channel and the second gas channel to increase draught area, and passes through
First acoustic absorption plate effectively absorbs the noise that fan is sent.
In some possible implementations, cover for cuboid, the first face of cuboid is parallel with the second face of cuboid,
First face arrangement of the first acoustic absorption plate along cuboid, second face arrangement of the second sound baffle along cuboid is long
Side assembling of second face of cube along frame.So, the first acoustic absorption plate and second sound baffle formation the can be passed through
One gas channel and the second gas channel have to increase draught area by the first acoustic absorption plate and second sound baffle
Effect absorbs the noise that fan is sent.
During implementing, so that cover is cuboid as an example, the position on the first air outlet slit and the second air outlet slit
Relation is put, can be realized by a variety of implementations：
In a kind of possible implementation, the first air outlet slit and the second air outlet slit are disposed in the first of cuboid
Face.
In alternatively possible implementation, the 3rd face of cuboid is vertical with the first face of cuboid, the first air
Outlet is disposed in the 3rd face of cuboid, and the second air outlet slit is disposed in the first face of cuboid.
In alternatively possible implementation, the 3rd face of cuboid is vertical with the first face of cuboid, cuboid
Fourth face is vertical with the first face of cuboid, and the 3rd face of cuboid is parallel with the fourth face of cuboid, the first air outlet slit quilt
The 3rd face of cuboid is arranged in, the second air outlet slit is disposed in the fourth face of cuboid.
Brief description of the drawings
One structural representation of the existing exhaust apparatus of Fig. 1；
Fig. 2 a are a structural representation of frame in the embodiment of the present invention；
Fig. 2 b are a ventilation and heat schematic diagram in frame in the embodiment of the present invention；
Fig. 3 a are an overall schematic top plan view of exhaust apparatus and frame in the embodiment of the present invention；
Fig. 3 b are an overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Fig. 4 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Fig. 5 is a schematic side view of exhaust apparatus in the embodiment of the present invention；
Fig. 6 is another schematic side view of exhaust apparatus in the embodiment of the present invention；
Fig. 7 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Fig. 8 is another schematic side view of exhaust apparatus in the embodiment of the present invention；
Fig. 9 is another schematic side view of exhaust apparatus in the embodiment of the present invention；
Figure 10 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Figure 11 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Figure 12 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Figure 13 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Figure 14 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Figure 15 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention；
Figure 16 is another overall schematic side view of exhaust apparatus and frame in the embodiment of the present invention.
Embodiment
Such as without opposite explanation, the draught area in the application refers to the minimum cross-sectional area of gas channel.Using with gas
The vertical plane in the direction of stream makes the section of gas channel, can obtain multiple sections of gas channel.In multiple sections, cut
Area minimum section in face can be referred to as the venturi of the gas channel.The area of venturi is equal to draught area.
Such as without opposite explanation, " side " in " covering and assembled along the side of frame " in the application refers to the outside of frame.Example
Such as, frame can be metal box.Metal can be iron.The inner side of metal box can include printed circuit board (PCB) (printed
Circuit board, PCB) and fan.Fan can be assembled along the inner side of metal box.Cover is then the outside along frame
Assembling.That is, cover is positioned at the outside of frame.
Before the exhaust apparatus of the application is introduced, the electronic equipment related to exhaust apparatus is first introduced.Wherein, should
Electronic equipment can be communication equipment, Internet technology (internet Technology, IT) equipment etc..The electricity of electronic equipment
Subcomponent can operationally produce considerable heat, to ensure the safe operation of electronic equipment, it is necessary to carry out cooling treatment to it.
The type of cooling the most frequently used at present is exactly to take away heat by fans drive cold air.Fan can operationally produce troublesome
Noise, and with the quickening of rotation, this noise for disturbing people can be increasing.Due to the fast lifting of electronic equipment performance
So that the heat that the electronic component in electronic equipment is produced is increasing, it is necessary to the more cold air auxiliary of stronger fans drive
Electronic equipment dissipating heat, so as to produce bigger noise, the work and life to electronic equipment periphery personnel produce seriously bad
Influence, for example：Operating efficiency is reduced, sways the emotion, endanger physical and mental health etc..
Generally, electronic component is arranged on PCB, and PCB is arranged in frame.Fig. 2 a are a structural representation of frame.
Wherein, PCB and fan (not shown) are installed in frame.The quantity of PCB and fan is not limited.In general, wind
Fan is installed near the ventilating opening of frame, to drive air flow, carries out auxiliary heat dissipation.As shown in Figure 2 b, it is in frame
One ventilation and heat schematic diagram, wherein, under the promotion of fan, the air-flow that the air in frame is formed passes through via PCB
Fan discharges heat.
The noise that fan is sent has undesirable effect to people., can be in the outer of frame effectively to absorb the noise of fan
Portion arranges an exhaust apparatus, so as to carry out noise reduction process to the noise of fan.The row being related to reference to frame to the application
Device of air is illustrated.
Fig. 3 a and Fig. 3 b, an overall schematic top plan view and one of exhaust apparatus 100 and frame 200 respectively in the application
Individual overall schematic side view.Wherein, the exhaust apparatus 100 and the frame 200 can be detachably connected by rivet or hook,
It can also not limited herein by the non-dismountable connection of glue.The exhaust apparatus 100 includes cover 110.As in Fig. 3 a and Fig. 3 b
Exhaust apparatus 100.Exhaust apparatus 100 includes cover 110.Cover 110 is represented in Fig. 3 a and Fig. 3 b with solid box.The cover 110
Assembled along the side of frame 200.Wherein, when the side of cover 110 and frame 200 is assembled, the side of frame 200 with one of cover 110
Face is adjacent.In other words, the side of frame 200 and cover 110 a face be it is adjacent be continuous.With reference to Fig. 3 a and Fig. 3 b institutes
Show, cover 110 can be a hexahedron.The hexahedron can be cuboid.Wherein, cover 110 and the adjacent one side of frame 200
Be cover 110 hexahedron in wherein one side.In addition, cover 110 can also be rendered as a special hexahedron on the whole, (figure is not
Show).Specifically, in special hexahedron, cover 110 and the adjacent one side of frame 200 are the entities without physics.Example
Such as, cover 110 can be made up of steel plate.But, cover 110 and the adjacent one side of frame 200 are no steel plates, in other words, cover
110 and the adjacent one side of frame 200 are blank.It is appreciated that being the feelings of blank in cover 110 and the adjacent one side of frame 200
Under condition, cover 110 and the linear contact lay of frame 200, rather than face are contacted." line " in linear contact lay refers to that two of rectangle are long and two
It is wide." face " in the contact of face refers to whole rectangle.The cover 110 includes air intlet 11, the first air outlet slit 12 and the second air
Outlet 13.The air intlet 11 is disposed in the opening of the side of frame 200, in opening for the side of the promotion lower bearing bracket 200 of fan 21
Air in the frame of mouth output enters the cover 110 and via first air outlet slit 12 and second via the air intlet 11
Air outlet slit 13 is gone out from cover 110.The fan 21 is arranged on the inside of frame 200.The inside of the cover 110 is logical including the first air-flow
Road and the second gas channel (Fig. 3 a and Fig. 3 b are not shown, specifically see Fig. 5, Fig. 6, Fig. 8 and Fig. 9).First gas channel
Entrance be air intlet 11 Part I.The outlet of first gas channel includes at least the one of first air outlet slit 12
Part.For example, the outlet of the first gas channel is first air outlet slit 12.The entrance of second gas channel is air intlet
11 Part II.The outlet of second gas channel includes at least a portion of the second air outlet slit 13.For example, the second air-flow is logical
The outlet in road is the second air outlet slit 13.The Part I of air is moved along the first gas channel.The Part II edge of air
The movement of the second gas channel.The draught area of first gas channel is S1, and the draught area of the second gas channel is S2.When this
When cover 110 includes the first air outlet slit 12 and do not include the second air outlet slit 13, the inside of the cover 110 is logical including the 3rd air-flow
Road, the entrance of the 3rd gas channel is air intlet 11, and the outlet of the 3rd gas channel is the first air outlet slit 12, via air
The air that import 11 enters cover 110 is moved along the 3rd gas channel, and the draught area of the 3rd gas channel is S3, (S1+S2)
More than S3；When the cover 110 includes the second air outlet slit 13 and does not include the first air outlet slit 12, the inside bag of the cover 110
The 4th gas channel is included, the entrance of the 4th gas channel is air intlet 11, and the outlet of the 4th gas channel is that the second air goes out
Mouth 13, the air for entering cover 110 via air intlet 11 is moved along the 4th gas channel, the draught area of the 4th gas channel
For S4, (S1+S2) is more than S4.
It should be noted that " when the cover 110 includes the first air outlet slit 12 and does not include the second air outlet slit 13 ",
Refer to, it is assumed that cover 110 includes the air outlet slit 12 of air intlet 11 and first, but cover 110 does not include the second air outlet slit 13,
Then the gas channel of the inside of cover 110 can then change.It is appreciated that when cover 110 has lacked an air outlet slit, relative to cover
110 situations comprising the first air outlet slit 12 and the second air outlet slit 13, the shape of the gas channel of the inside of cover 110 can occur
Change.Similar, " when the cover 110 includes the second air outlet slit 13 and does not include the first air outlet slit 12 ", refer to, it is assumed that
Cover 110 includes the air outlet slit 13 of air intlet 11 and second, but cover 110 does not include the first air outlet slit 12, then covers 110
Internal gas channel can then change.It is appreciated that when cover 110 has lacked an air outlet slit, the is included relative to cover 110
The situation of one air outlet slit 12 and the second air outlet slit 13, the shape of the gas channel of the inside of cover 110 can change.Separately
Outside, because the first air outlet slit 12 is different with the position of the second air outlet slit 13, the 3rd gas channel is with the 4th gas channel
Different.
Relative to the technical scheme of only one air outlet slit, the technical scheme of the application includes two air outlet slits.This
The technical scheme of application includes two gas channels.The draught area sum of two gas channels is more than the logical of gas channel
Wind area.That is, the scheme of the application helps to increase draught area.According to draught area=ventilation/air velocity,
In the case where the ventilation of unit interval keeps constant, draught area increase Airflow prompt drop is low.When air velocity is reduced
The flow resistance of exhaust apparatus can be reduced.In addition, the ventilation of unit interval keeps constant, then the radiating effect of frame can be kept
It is constant.When air velocity is reduced, in the case where the ventilation of unit interval keeps constant, the wind for promoting air flow
The rotating speed of fan is also accordingly reduced.When rotation speed of the fan is reduced, the noise of fan is also decreased.That is, the technology of the application
Scheme can be realized in the case where radiating effect keeps constant, reduce the noise of fan.Therefore, the technical scheme of the application has
Help improve overall noise reduction income.
During implementing, the scheme shown in Fig. 3 b can be improved, obtain the scheme shown in Fig. 4.Referring to
Fig. 4, the exhaust apparatus 100 also includes the first acoustic absorption plate 120, and the first acoustic absorption plate 120 is disposed in the interior of cover 110
Surface, the first acoustic absorption plate 120 is used for the noise for absorbing fan 21.For example, the first acoustic absorption plate 120 can be wrapped
Containing the material of sound, such as cotton can be absorbed.In general, the thickness of the first acoustic absorption plate is higher, acoustically effective is better.
For example, the thickness of the first acoustic absorption plate can be 60 millimeters of (millimeter, mm)~80mm.For example, do not consider
The thickness of first acoustic absorption plate, the first acoustic absorption plate can be rectangle, trapezoidal, triangle or circle.In addition, not examining
Consider the thickness of the first acoustic absorption plate, the first acoustic absorption plate can be plane or curved surface.
In a possible embodiment, the exhaust apparatus 100 in above-described embodiment can be improved, so as to obtain
Exhaust apparatus 100 shown in Fig. 5.Referring to Fig. 5, exhaust apparatus 100 includes the first acoustic absorption plate 120.Referring to Fig. 5, institute
State and the first gas channel 31 and the second gas channel 32 are formed between the first acoustic absorption plate 120 and the side 210 of frame.Referring to figure
5, exhaust apparatus 100 can be a special hexahedron.For example, exhaust apparatus 100 can be a special cuboid.Should
In special cuboid, the face contacted with the side 210 of frame is no physical entity.For example, exhaust apparatus 100 and frame
The face that side 210 is contacted is no steel plate, and in other words, the face that exhaust apparatus 100 is contacted with the side 210 of frame is empty.Certainly,
Embodiment shown in Fig. 5 can be improved, obtain new scheme.In new scheme, exhaust apparatus 100 can be one general
Logical cuboid.In the common cuboid, there is physical entity in the face contacted with the side 210 of frame.For example, exhaust apparatus
There is steel plate in 100 faces contacted with the side 210 of frame.Embodiment shown in Fig. 8 is similar to above-mentioned new scheme.It is specific next
Say, in the scheme shown in Fig. 8, there is physical entity in exhaust apparatus 100 and the face of the side contacts of frame.For example, exhaust apparatus
100 have steel plate with the faces of the side contacts of frame.Referring to Fig. 5, the entrance of first gas channel 31 is that the air enters
The Part I 111 of mouth 11, the outlet of first gas channel 31 is first air outlet slit 12.Second air-flow leads to
The entrance in road 32 is the Part II 112 of the air intlet 11, and the outlet of second gas channel 32 is described second empty
Gas outlet 13.It should be noted that first gas channel be by the air intlet 11 Part I 111, described
One air outlet slit 12, the side (being specially part of the side of the frame more than dotted line) of the frame and first sound
Sound baffle 120 (being specially part of the first acoustic absorption plate 120 more than dotted line) is formed.Second gas channel is
Side by the Part II 112 of the air intlet 11, second air outlet slit 13, the frame (is specially the frame
Part of the side below dotted line) and the first acoustic absorption plate 120 (be specially the first acoustic absorption plate 120 in dotted line
Following part) formed.Dotted line is intended to indicate that the border between the first gas channel and the second gas channel.First air-flow
Passage and the second gas channel are adjacent, and the border of physics is not present between the first gas channel and the second gas channel.Example
Such as, the baffle plate of physics is not present between the first gas channel and the second gas channel.First gas channel and the second air-flow are logical
Border between road is due to that the mobile track of different air (Part I of the air and Part II) is different and shape
Into.The Part I of the air is moved along first gas channel 31.The Part II of the air is along described
Second gas channel 32 is moved.In addition, dotted line is intended to indicate that the Part I 111 and Part II of the air intlet 11
Border between 112.The Part I 111 and Part II 112 of the air intlet 11 are adjacent.The air intlet 11
Part I 111 and Part II 112 between be not present physics border.For example, the Part I of the air intlet 11
The baffle plate of physics is not present between 111 and Part II 112.The Part I 111 and Part II 112 of the air intlet 11
Between border be due to that the mobile track of different air (Part I of the air and Part II) is different and formed
's.For example, the air intlet 11 can be made up of Part I 111 and Part II 112.In addition, right in this section
The description of the structure and specific implementation of air intlet, is not only applicable to the embodiment shown in Fig. 5, can also be applied to it
Air intlet in his embodiment.
It can be seen that, in the embodiment shown in Fig. 5, the first gas channel and the second gas channel are relatively independent.Namely
Say, the first gas channel and the second gas channel are separation.In other words, the first gas channel and the second gas channel are not altogether
Enjoy.Relative to the technical scheme of only one gas channel, the technical scheme of the application includes two gas channels, according to logical
Wind area=ventilation/air velocity, in the case where the ventilation of unit interval keeps constant, two gas channels can increase
Big draught area.And then, air velocity can be reduced.And then, the rotating speed of fan can be reduced.And then, fan can be reduced
Noise.In addition, the first acoustic absorption plate can be used for the noise for absorbing fan, noise reduction is further improved.
Embodiment shown in Fig. 5 can be improved, so as to obtain the embodiment shown in Fig. 6.Referring to Fig. 6, row
Device of air 100 includes the first acoustic absorption plate 120.Is formed between the first acoustic absorption plate 120 and the side 210 of frame
One gas channel 31 ' and the second gas channel 32 '.In technical scheme shown in Fig. 5, air intlet 11 is located at the middle part of cover.Fig. 6
In shown scheme, air intlet 11 is located at the bottom of cover.Wherein, the draught area of the first gas channel 31 ' can be equal to Fig. 5
The draught area of the first shown gas channel 31.The draught area of second gas channel 32 ' can be less than second shown in Fig. 5
The draught area of gas channel 32.That is, the draught area of the first gas channel 31 ' and the second gas channel 32 ' is logical
Wind area and the draught area less than the first gas channel 31 shown in Fig. 5 and the second gas channel 32 draught area
With.But relative to the technical scheme of only one gas channel, the technical scheme of the application includes two gas channels, equally
Add the draught area of air.Wherein, the entrance of first gas channel is the Part I of the air intlet 11
111, the outlet of first gas channel 31 includes the of first air outlet slit 12 and second air outlet slit 13
A part 131.For example, the outlet of first gas channel 31 is gone out by first air outlet slit 12 and second air
The Part I 131 of mouth 13 is constituted.The entrance of second gas channel 32 is the Part II 112 of the air intlet 11.
The outlet of second gas channel 32 includes the Part II 132 of second air outlet slit 13.For example, second air-flow
The outlet of passage 32 is made up of the Part II 132 of second air outlet slit 13.Dotted line is used to represent the first gas channel 31 '
And the second border between gas channel 32 '., can on the border between the first gas channel 31 ' and the second gas channel 32 '
With the description in the embodiment with reference to shown in Fig. 5, here is omitted.In addition, dotted line is used to represent the air intlet 11
Border between Part I 111 and Part II 112.On air intlet 11 Part I 111 and Part II 112 it
Between border, may be referred to the description in the embodiment shown in Fig. 5, here is omitted.In addition, dotted line is used to represent described the
Border between the Part I 131 and Part II 132 of two air outlet slits 13.The Part I of second air outlet slit 13
131 and Part II 132 be adjacent.Do not deposited between the Part I 131 and Part II 132 of second air outlet slit 13
On the border of physics.For example, physics is not present between the Part I 131 and Part II 132 of second air outlet slit 13
Baffle plate.The Part I of the air divide into two parts at A points.Two parts are the first fraction and the second small portion respectively
Point.Wherein, the first fraction turns round upwards at A, and is moved along direction of curve, and finally goes out from the first air outlet slit 12
Go.Second fraction is moved at A along the direction of straight line, and is finally gone out from the Part I 131 of the second air outlet slit 13.
In another embodiment, the second fraction can also be turned round downwards at A, and (not shown in Fig. 6) is moved along direction of curve,
And finally gone out from the Part I 131 of the second air outlet slit 13.
Above-described embodiment can be improved, so as to obtain the embodiment shown in Fig. 7.Referring to Fig. 7, the exhaust apparatus
100 on the basis of including the first acoustic absorption plate 120, and the exhaust apparatus 100 also includes second sound baffle 130.It is described
Second sound baffle 130 is disposed in the inner surface of the cover 110 and relative with the first acoustic absorption plate 120, described
Second sound baffle 130 is used for the noise for absorbing the fan 21.The second sound baffle 130, which can be included, to be inhaled
Quiet down the material of sound, such as cotton.On the shape of the second sound baffle 130, above-described embodiment is may refer to
The description of one acoustic absorption plate 120.
Embodiment shown in Fig. 5 can be improved, obtain the embodiment shown in Fig. 8.Referring to Fig. 8, it will can be vented
Device 100 is installed to the side (not shown) of frame.Exhaust apparatus 100 includes the first acoustic absorption plate 120 and second sound
Baffle 130.The first gas channel is formed between the first acoustic absorption plate 120 and the second sound baffle 130
31 and second gas channel 32.Wherein, the entrance of first gas channel 31 is the Part I of the air intlet 11
111, the outlet of first gas channel 31 includes first air outlet slit 12, and the entrance of second gas channel 32 is
The Part II 112 of the air intlet 11, the outlet of second gas channel 32 includes second air outlet slit 13.It is empty
Line is used to represent the border between the first gas channel 31 and the second gas channel 32.On the first gas channel 31 and the second gas
Border between circulation road 32, may be referred to the description in the embodiment shown in Fig. 5, here is omitted.In addition, dotted line is used for
Represent the border between the Part I 111 and Part II 112 of the air intlet 11.First on air intlet 11
Divide the border between 111 and Part II 112, may be referred to the description in the embodiment shown in Fig. 5, here is omitted.
It can be seen that, in the embodiment shown in Fig. 8, the first gas channel and the second gas channel are relatively independent.Namely
Say, the first gas channel and the second gas channel are separation.In other words, the first gas channel and the second gas channel are not altogether
Enjoy.Relative to the technical scheme of only one gas channel, the technical scheme of the application includes two gas channels, according to logical
Wind area=ventilation/air velocity, in the case where the ventilation of unit interval keeps constant, two gas channels can increase
Big draught area.And then, air velocity can be reduced.And then, the rotating speed of fan can be reduced.And then, fan can be reduced
Noise.In addition, the first acoustic absorption plate and second sound baffle can be used for the noise for absorbing fan, noise reduction is further improved
Effect.
It can be improved with above-described embodiment, obtain the embodiment shown in Fig. 9., can be by exhaust apparatus 100 referring to Fig. 9
It is installed to the side (not shown) of frame.Exhaust apparatus 100 includes the first acoustic absorption plate 120 and second sound baffle
130.The first gas channel 31 ' and are formed between the first acoustic absorption plate 120 and the second sound baffle 130
Two gas channels 32 '.Technical scheme shown in Fig. 8 can be improved, so as to obtain the technical scheme shown in Fig. 9.For example,
Air intlet 11 is located at the bottom of cover, wherein, the first air-flow that the draught area of the first gas channel 31 ' is equal to shown in Fig. 8 leads to
The draught area in road 31.The draught area of second gas channel 32 ' is less than the ventilating surface of the second gas channel 32 shown in Fig. 8
Product.That is, the draught area of the first gas channel 31 ' is with the draught area of the second gas channel 32 ' and less than Fig. 8 institutes
The draught area of the first gas channel 31 shown and the draught area of the second gas channel 32 and.But relative to only one
The technical scheme of gas channel, the technical scheme of the application includes two gas channels, equally adds the draught area of air.
Wherein, the entrance of first gas channel 31 ' is the Part I 111 of the air intlet 11, first gas channel
31 ' outlet is the Part I 131 of first air outlet slit 12 and second air outlet slit 13, second air-flow
The entrance of passage 32 ' is the Part II 112 of the air intlet 11, and the outlet of second gas channel 32 ' is described
The Part II 132 of two air outlet slits 13.Dotted line is used to represent between the first gas channel 31 ' and the second gas channel 32 '
Border.On the border between the first gas channel 31 ' and the second gas channel 32 ', it may be referred in the embodiment shown in Fig. 5
Description, here is omitted.In addition, dotted line is used for the Part I 111 and Part II 112 for representing the air intlet 11
Between border.On the border between the Part I 111 and Part II 112 of air intlet 11, it may be referred to shown in Fig. 5
Embodiment in description, here is omitted.In addition, dotted line is used for the Part I for representing second air outlet slit 13
Border between 131 and Part II 132.On between the Part I 131 and Part II 132 of the second air outlet slit 13
Border, may be referred to the description in the embodiment shown in Fig. 6, here is omitted.The Part I of the air is punished in A points
Into two parts.The two-part motion track that Part I on air is punished in A points, may be referred to shown in Fig. 6
Description in embodiment, here is omitted.
During implementing, the shape of the cover can be cuboid, cylinder, or irregular body.The application is not
It is specifically limited.Hereafter so that the cover is cuboid as an example, the structure to exhaust apparatus is described：
For example, exhaust apparatus only includes the first acoustic absorption plate.The of first face of the cuboid and the cuboid
Two faces are parallel, first face arrangement of the first acoustic absorption plate along the cuboid, the second face of the cuboid along
The side assembling of frame.Wherein, the first air outlet slit and the second air outlet slit can be disposed on the same plane, and can also be arranged on
In Different Plane.Embodiment shown in Fig. 2 to Fig. 9 can be improved, so as to obtain the embodiment shown in Figure 10 to Figure 16.
As shown in Figure 10, Figure 11 and Figure 12, the first air outlet slit and the second air outlet slit are arranged on same plane, example
Such as, first air outlet slit and second air outlet slit are all in the first face of the cuboid.
As shown in Figure 10, air intlet is located at second face parallel with the first face of cuboid, and first air goes out
Mouth and second air outlet slit are located at first face, and the first air outlet slit is located at the upper area of space of air intlet, second
Air outlet slit is located at the lower area of space of air intlet.Assuming that the side of frame to the distance between the first acoustic absorption plate be L1,
The height of first air outlet slit is L2, and the height of the second air outlet slit is L3, wherein, L2 and L3 are not less than L1.So,
Form the first gas channel and the second gas channel between one acoustic absorption plate and the side of frame, first gas channel enters
Mouth is the Part I of the air intlet, and the outlet of first gas channel is first air outlet slit, described second
The entrance of gas channel is the Part II of the air intlet, and the outlet of second gas channel is that second air goes out
Mouthful.Wherein, the Part II of the Part I of the air intlet and the air intlet is using dotted line as boundary.The air intlet
Part I and Part II be adjacent.In the absence of physics between the Part I and Part II of the air intlet
Border.For example, the baffle plate of physics is not present between the Part I and Part II of the air intlet.The air intlet
Border between Part I and Part II is due to that different air (Part I and Part II of the air) are moved
Formed by dynamic track difference.It can be seen that, independently of one another, compared to one air-flow leads to for the first gas channel and the second gas channel
Road, effectively increases the draught area of air, i.e., total draught area=W*L1*2, wherein, W is the width of frame, i.e. this Shen
Please in the corresponding draught area of two gas channels be more than the corresponding draught area of a gas channel.
As shown in figure 11, air intlet is located at second face parallel with the first face of cuboid, and first air goes out
Mouth and second air outlet slit are located at first face, and the first air outlet slit is located at the upper area of space of air intlet, second
Air outlet slit is located at the front space region of air intlet.Assuming that the side of frame to the distance between the first acoustic absorption plate be L1,
The height of first air outlet slit is L2, and the height of the second air outlet slit is L3, and the height of air intlet is L4, wherein, L2 is not small
It is not less than the 1/2 and no more than the 1/3 of L4 of L1 in L1, L3.So, is formed between the first acoustic absorption plate and the side of frame
One gas channel and the second gas channel, the entrance of first gas channel is the Part I of the air intlet, described
The outlet of first gas channel is first air outlet slit, and the entrance of second gas channel is the of the air intlet
Two parts, the outlet of second gas channel is second air outlet slit.Wherein, the Part I of the air intlet and
The Part II of the air intlet see Figure 10 description using dotted line as boundary, specifically, and here is omitted.Assuming that 2/3
Ventilation is discharged from the first air outlet slit, and 1/3 ventilation is discharged from the second air outlet slit, then total draught area=W*L1*
4/3, wherein, W is more than one gas channel pair of the corresponding draught area of two gas channels in the width of frame, i.e. the application
The draught area answered.
As shown in figure 12, air intlet is located at second face parallel with the first face of cuboid, and first air goes out
Mouth and second air outlet slit are located at first face, and the first air outlet slit is located at the upper area of space of air intlet, second
The Part I of air outlet slit is located at the upper area of space of air intlet, and the Part II of the second air outlet slit is located at air intlet
Front space region.Assuming that the side of frame is L1 to the distance between the first acoustic absorption plate, the height of the first air outlet slit is
L2, the height of the second air outlet slit is L3, and the height of air intlet is L4, wherein, L2 is not less than L1, and L3 is not less than the 1/2 of L1
And no more than the 1/3 of L4.So, the first gas channel and the second air-flow are formed between the first acoustic absorption plate and the side of frame
Passage, the entrance of first gas channel is the Part I of the air intlet, the outlet of first gas channel by
The Part I composition of first air outlet slit and the second air outlet slit.The entrance of second gas channel is the air
The Part II of import, the outlet of second gas channel is the Part II of second air outlet slit.Wherein, the sky
The Part II of the Part I of gas import and the air intlet see Figure 10 description using dotted line as boundary, specifically, herein
Repeat no more.The Part II of the Part I of second air outlet slit and second air outlet slit is using dotted line as boundary, institute
It is adjacent to state the Part I and Part II of the second air outlet slit.The Part I of second air outlet slit and second
/ be not present physics border.For example, thing is not present between the Part I and Part II of second air outlet slit
The baffle plate of reason.Then total draught area is more than W*L1*1 and less than W*L1*2, wherein, W is the width of frame.
Such as Figure 13, Figure 14 and Figure 15, the 3rd face of the cuboid is vertical with the first face of the cuboid, and described the
One air outlet slit and second air outlet slit are arranged in Different Plane, for example, first air outlet slit is disposed in institute
The 3rd face of cuboid is stated, second air outlet slit is disposed in the first face of the cuboid.
As shown in figure 13, air intlet is located at second face parallel with the first face of cuboid, the first air outlet slit position
In threeth face vertical with the first face of cuboid, the second air outlet slit is located at the second face of cuboid, the first air outlet slit position
In the upper area of space of air intlet, the second air outlet slit is located at the lower area of space of air intlet.Assuming that the side of frame is to
The distance between one acoustic absorption plate is L1, and the width of the first air outlet slit is L2, and L2=L1, the height of the second air outlet slit
For L3, wherein, L3 is not less than L1.So, the first gas channel and are formed between the first acoustic absorption plate and the side of frame
Two gas channels, the entrance of first gas channel is the Part I of the air intlet, first gas channel
Outlet is first air outlet slit, and the entrance of second gas channel is the Part II of the air intlet, described
The outlet of two gas channels is second air outlet slit.Wherein, the Part I of the air intlet and the air intlet
Part II Figure 10 description is see using dotted line as boundary, specifically, here is omitted.It can be seen that, the first gas channel and
Independently of one another, compared to one gas channel effectively increases the draught area of air, i.e., total draught area to two gas channels
=W*L1*2, wherein, W is more than one air-flow of the corresponding draught area of two gas channels in the width of frame, i.e. the application
The corresponding draught area of passage.
As shown in figure 14, air intlet is located at second face parallel with the first face of cuboid, the first air outlet slit position
In threeth face vertical with the first face of cuboid, the second air outlet slit is located at the second face of cuboid, the first air outlet slit position
In the upper area of space of air intlet, the second air outlet slit is located at the front space region of air intlet.Assuming that the side of frame is to
The distance between one acoustic absorption plate is L1, and the width of the first air outlet slit is L2, and L2=L1, the height of the second air outlet slit
For L3, the height of air intlet is L4, wherein, L3 is not less than the 1/2 and no more than the 1/3 of L4 of L1.So, inhaled in the first sound
Receive and form the first gas channel and the second gas channel between plate and the side of frame, the entrance of first gas channel is described
The Part I of air intlet, the outlet of first gas channel is first air outlet slit, second gas channel
Entrance be the air intlet Part II, the outlet of second gas channel is second air outlet slit.Wherein,
The Part II of the Part I of the air intlet and the air intlet see retouching for Figure 10 using dotted line as boundary, specifically
State, here is omitted.Assuming that 2/3 ventilation is discharged from the first air outlet slit, 1/3 ventilation is arranged from the second air outlet slit
Go out.Then total draught area=W*L1*4/3, wherein, W is that two gas channels are corresponding logical in the width of frame, i.e. the application
Wind area is more than the corresponding draught area of a gas channel.
As shown in figure 15, air intlet is located at second face parallel with the first face of cuboid, the first air outlet slit position
In threeth face vertical with the first face of cuboid, the second air outlet slit is located at the second face of cuboid, the first air outlet slit position
In the upper area of space of air intlet, the Part I of the second air outlet slit is located at the upper area of space of air intlet, and second is empty
The Part II of gas outlet is located at the front space region of air intlet.Assuming that the side of frame between the first acoustic absorption plate away from
From for L1, the width of the first air outlet slit is L2, and L2=L1, and the height of the second air outlet slit is L3, the height of air intlet
For L4, wherein, L3 is not less than the 1/2 and no more than the 1/3 of L4 of L1.So, between the first acoustic absorption plate and the side of frame
The first gas channel and the second gas channel are formed, the entrance of first gas channel is first of the air intlet
Point, the outlet of first gas channel is the Part I of first air outlet slit and the second air outlet slit, described second
The entrance of gas channel is the Part II of the air intlet, and the outlet of second gas channel is that second air goes out
The Part II of mouth.Wherein, the Part II of the Part I of the air intlet and the air intlet is using dotted line as boundary, tool
Body see Figure 10 description, and here is omitted.The Part I of second air outlet slit and second air outlet slit
Part II Figure 12 description is see using dotted line as boundary, specifically, here is omitted.Then total draught area is more than W*
L1*1 and less than W*L1*2, wherein, W is the width of frame.
By being extended to the embodiment shown in Figure 13, so as to obtain the embodiment shown in Figure 16.The cuboid
3rd face is vertical with the first face of the cuboid, and the fourth face of the cuboid is vertical with the first face of the cuboid, institute
The 3rd face for stating cuboid is parallel with the fourth face of the cuboid, for example, the first air outlet slit is disposed in the cuboid
The 3rd face, second air outlet slit is disposed in the fourth face of the cuboid.
As shown in figure 16, air intlet is located at second face parallel with the first face of cuboid, the first air outlet slit position
In threeth face vertical with the first face of cuboid, the second air outlet slit is located at the fourth face vertical with the first face of cuboid.
First air outlet slit is located at the upper area of space of air intlet, and the second air outlet slit is located at the lower area of space of air intlet.It is false
If the side of frame is L1 to the distance between the first acoustic absorption plate, the width of the first air outlet slit is L2, and L2=L1, second
The width of air outlet slit is L3, and L3=L1.So, the first air-flow is formed between the first acoustic absorption plate and the side of frame to lead to
Road and the second gas channel, the entrance of first gas channel is the Part I of the air intlet, first air-flow
The outlet of passage is first air outlet slit, and the entrance of second gas channel is the Part II of the air intlet,
The outlet of second gas channel is second air outlet slit.Wherein, the Part I of the air intlet and the sky
The Part II of gas import see Figure 10 description using dotted line as boundary, specifically, and here is omitted.It can be seen that, the first air-flow leads to
Road and the second gas channel are relatively independent, compared to one gas channel, effectively increase the draught area of air, i.e., total is logical
Wind area=W*L1*2, wherein, W is that the corresponding draught area of two gas channels is more than one in the width of frame, i.e. the application
The corresponding draught area of individual gas channel.
It should be noted that the arrangement of the first air outlet slit and the second air outlet slit can be accomplished in several ways, remove
Implementation exception shown in above-mentioned Fig. 9 to Figure 16, can also be other modes, for example, the 5th face and the cuboid of cuboid
6th face is perpendicular to the second face of cuboid, and the 5th face of cuboid and the 6th face of cuboid are perpendicular to the 3rd of cuboid
Face, the 5th face of cuboid is parallel with the 6th face of cuboid, wherein, the first air outlet slit is disposed in the 5th of cuboid
Face, the second air outlet slit is disposed in the 6th face of cuboid.
During implementing, exhaust apparatus comprises more than the first acoustic absorption plate, can also include second sound and inhale
Plate is received, the first face of the cuboid is parallel with the second face of the cuboid, the first acoustic absorption plate is along the length
The first face arrangement of cube, second face arrangement of the second sound baffle along the cuboid, the second face of cuboid
Assembled along the side of frame.
Wherein, the first air outlet slit and the second air outlet slit can be disposed on the same plane, and can also be arranged on difference
In plane：
In some possible implementations, first air outlet slit and second air outlet slit are disposed in described
First face of cuboid.Figure 10, Figure 11 and Figure 12 specifically are see, here is omitted.
In other possible implementations, the 3rd face of the cuboid is vertical with the first face of the cuboid,
First air outlet slit is disposed in the 3rd face of the cuboid, and second air outlet slit is disposed in the cuboid
The first face.Figure 13, Figure 14 and Figure 15 specifically are see, here is omitted.
In other possible implementations, the 3rd face of the cuboid is vertical with the first face of the cuboid,
The fourth face of the cuboid is vertical with the first face of the cuboid, and the of the 3rd face of the cuboid and the cuboid
Parallel on four sides, first air outlet slit is disposed in the 3rd face of the cuboid, and second air outlet slit is disposed in
The fourth face of the cuboid.Figure 16 specifically is see, here is omitted.
It should be noted that the acoustically effective in order to increase noise, the exhaust apparatus can also be included except the first sound is inhaled
Other acoustic absorption plates beyond plate and second sound baffle are received, other inner surfaces of cover are may be arranged at, do not do specific herein
Limit.
It should be noted that the draught area in order to increase air, the exhaust apparatus can also be included except the first air goes out
Other air outlet slits beyond mouth and the second air outlet slit, other air outlet slits can be determined according to the actual requirements in the position of cover,
It is not specifically limited herein.
Described above, above example is only to the technical scheme for illustrating the application, rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, but it should be understood by those skilled in the art that：It still can be to foregoing
Technical scheme described in each embodiment is modified, or which part technical characteristic is replaced with function identical feature
Change.
Claims (12)
1. a kind of exhaust apparatus, it is characterised in that including cover；
The cover includes：Air intlet, the first air outlet slit and the second air outlet slit；
Assemble side of the cover along frame；
The air intlet is arranged to the opening of the side of the frame；
Air under the promotion of fan in the frame of the opening output of the side of the frame enters via the air intlet
Enter the cover and covered away via first air outlet slit and second air outlet slit from described, wherein, the fan
It is arranged on the inside of the frame；
The inside of the cover includes the first gas channel and the second gas channel, and the entrance of first gas channel is the sky
The Part I of gas import, the outlet of first gas channel includes at least a portion of first air outlet slit；
The entrance of second gas channel is the Part II of the air intlet, and the outlet of second gas channel includes
At least a portion of second air outlet slit；
The Part I of the air is moved along first gas channel；
The Part II of the air is moved along second gas channel；
The draught area of first gas channel is S1, and the draught area of second gas channel is S2；
When the cover includes first air outlet slit and does not include second air outlet slit, the inside of the cover includes
3rd gas channel, the entrance of the 3rd gas channel is the air intlet, and the outlet of the 3rd gas channel is institute
The first air outlet slit is stated, the air for entering the cover via the air intlet is moved along the 3rd gas channel, described
The draught area of 3rd gas channel is S3, and (S1+S2) is more than S3；
When the cover includes second air outlet slit and does not include first air outlet slit, the inside of the cover includes
4th gas channel, the entrance of the 4th gas channel is the air intlet, and the outlet of the 4th gas channel is institute
The second air outlet slit is stated, the air for entering the cover via the air intlet is moved along the 4th gas channel, described
The draught area of 4th gas channel is S4, and (S1+S2) is more than S4.
2. exhaust apparatus according to claim 1, it is characterised in that the exhaust apparatus also includes the first acoustic absorption
Plate, the first acoustic absorption plate is disposed in the inner surface of the cover, and the first acoustic absorption plate is used to absorb the wind
The noise of fan.
3. exhaust apparatus according to claim 2, it is characterised in that the side of the first acoustic absorption plate and frame it
Between form first gas channel and second gas channel, wherein, the entrance of first gas channel is the sky
The Part I of gas import, the outlet of first gas channel includes first air outlet slit, second gas channel
Entrance be the air intlet Part II, the outlet of second gas channel includes second air outlet slit.
4. exhaust apparatus according to claim 2, it is characterised in that the side of the first acoustic absorption plate and frame it
Between form first gas channel and second gas channel, wherein, the entrance of first gas channel is the sky
The Part I of gas import, the outlet of first gas channel includes first air outlet slit and second air goes out
The Part I of mouth, the entrance of second gas channel is the Part II of the air intlet, second gas channel
Outlet include the Part II of second air outlet slit.
5. exhaust apparatus according to claim 2, it is characterised in that the exhaust apparatus also includes second sound and absorbed
Plate, the second sound baffle is disposed in the inner surface of the cover and relative with the first acoustic absorption plate, and described
Two acoustic absorption plates are used for the noise for absorbing the fan.
6. exhaust apparatus according to claim 5, it is characterised in that in the first acoustic absorption plate and the rising tone
Form first gas channel and second gas channel between sound baffle, wherein, first gas channel enters
Mouthful it is the Part I of the air intlet, the outlet of first gas channel includes first air outlet slit, described the
The entrance of two gas channels is the Part II of the air intlet, and the outlet of second gas channel includes the described second sky
Gas is exported.
7. exhaust apparatus according to claim 5, it is characterised in that in the first acoustic absorption plate and the rising tone
Form first gas channel and second gas channel between sound baffle, wherein, first gas channel enters
Mouth is the Part I of the air intlet, and the outlet of first gas channel includes first air outlet slit and described
The Part I of second air outlet slit, the entrance of second gas channel is the Part II of the air intlet, described
The outlet of two gas channels includes the Part II of second air outlet slit.
8. exhaust apparatus according to claim 2, it is characterised in that
The cover is cuboid, and the first face of the cuboid is parallel with the second face of the cuboid, and first sound is inhaled
Receive first face arrangement of the plate along the cuboid, the side assembling of the second face of the cuboid along the frame.
9. exhaust apparatus according to claim 5, it is characterised in that
The cover is cuboid, and the first face of the cuboid is parallel with the second face of the cuboid, and first sound is inhaled
First face arrangement of the plate along the cuboid is received, second face of the second sound baffle along the cuboid is arranged,
Side assembling of second face of the cuboid along the frame.
10. exhaust apparatus according to claim 8 or claim 9, it is characterised in that first air outlet slit and second sky
Gas exports the first face for being disposed in the cuboid.
11. exhaust apparatus according to claim 8 or claim 9, it is characterised in that the 3rd face of the cuboid with it is described rectangular
First face of body is vertical, and first air outlet slit is disposed in the 3rd face of the cuboid, the second air outlet slit quilt
It is arranged in the first face of the cuboid.
12. exhaust apparatus according to claim 8 or claim 9, it is characterised in that the 3rd face of the cuboid with it is described rectangular
First face of body is vertical, and the fourth face of the cuboid is vertical with the first face of the cuboid, the 3rd face of the cuboid
Parallel with the fourth face of the cuboid, first air outlet slit is disposed in the 3rd face of the cuboid, described second
Air outlet slit is disposed in the fourth face of the cuboid.
Priority Applications (1)
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|---|---|---|---|
| CN201710295416.4A CN107041107A (en) | 2017-04-28 | 2017-04-28 | A kind of exhaust apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295416.4A CN107041107A (en) | 2017-04-28 | 2017-04-28 | A kind of exhaust apparatus |
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Application publication date: 20170811 |