CN105952671A - Centrifugal fan and air conditioner comprising same - Google Patents
Centrifugal fan and air conditioner comprising same Download PDFInfo
- Publication number
- CN105952671A CN105952671A CN201610301848.7A CN201610301848A CN105952671A CN 105952671 A CN105952671 A CN 105952671A CN 201610301848 A CN201610301848 A CN 201610301848A CN 105952671 A CN105952671 A CN 105952671A
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- air
- air channel
- air outlet
- wall section
- groove
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- 230000001965 increasing effect Effects 0.000 claims abstract description 10
- 238000012216 screening Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 238000007664 blowing Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001582888 Lobus Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4246—Fan casings comprising more than one outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides a centrifugal fan and an air conditioner comprising the same. The centrifugal fan comprises a bottom shell and at least two centrifugal impellers, wherein the bottom shell is provided with at least two air ducts, and the centrifugal impellers are arranged in the air ducts in a one-to-one correspondence mode. According to the centrifugal fan and the air conditioner comprising the same, the air generating quantity of the whole centrifugal fan can be increased, and then the refrigeration efficiency or the heating efficiency of the centrifugal fan is improved.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of centrifugal blower and the air-conditioner with it.This
Invention is for Application No. 201410597533.2, filing date on October 29th, 2014, invention entitled " from
Heart-wind syndrome machine and there is its air-conditioner " the divisional application of patent application.
Background technology
Centrifugal blower is a kind of driven fluid machinery, and it relies on the mechanical energy of input improve atmospheric pressure and transfer out
Gas.Being of wide application of blower fan, as factory, mine, tunnel, cooling tower, vehicle, boats and ships and building
The ventilation of thing, dust discharge and cooling.It addition, boiler and the ventilation of industrial furnace and air inducing, the apparatus of air conditioning and domestic
Cooling in electric equipment and ventilation.
But, in the prior art, the centrifugal blower of air-conditioner for mostly being single air channel blower fan, this blower fan be only capable of from
One air outlet, this makes the refrigeration of this blower fan and heating efficiency relatively low.Along with the development of society, human's demand
Improve constantly, the centrifugal blower in present single air channel can not meet the demand of people.
Summary of the invention
Present invention is primarily targeted at and a kind of centrifugal blower is provided and there is its air-conditioner, to solve in prior art
The little problem of centrifugal blower air quantity.
To achieve these goals, according to an aspect of the invention, it is provided a kind of centrifugal blower, centrifugal blower bag
Include: drain pan, described drain pan is provided with at least two air channel；At least two centrifugal impeller, described at least two is centrifuged
Impeller is arranged in described at least two air channel correspondingly；Described centrifugal blower includes the first air channel being disposed adjacent
With the second air channel, first air outlet in described first air channel and the air-out direction phase of first air outlet in described second air channel
Separate；Second air outlet in described first air channel converges mutually with the air-out direction of second air outlet in described second air channel.
Further, described drain pan has the first side and the second side being oppositely arranged, and described air channel is from described first
Side extends to described second side, and described air channel has and is positioned at the first air outlet of described first side and is positioned at described
Second air outlet of the second side, described centrifugal blower also includes: motion baffle plate, and described motion baffle plate is arranged on described
In air channel, described motion baffle plate has the first operating position blocked by described first air outlet and by described second air-out
The second operating position that mouth blocks.
Further, described drain pan has the first side and the second side being oppositely arranged, and described air channel is from described first
Side extends to described second side, and described air channel has and is positioned at the first air outlet of described first side and is positioned at described
Second air outlet of the second side, described first air channel and described second air channel are the groove being arranged on described drain pan.
Further, first described groove near second described groove sidewall corresponding to described first air-out
Mouthful wall section and second described groove near first described groove sidewall corresponding to described first air outlet
Wall section between distance become larger along described second side to the direction of described first side；First described recessed
The wall section corresponding to described first air outlet of the sidewall away from second described groove of groove and second described groove
The sidewall away from first described groove the wall section corresponding to described first air outlet between distance along described
Two side faces becomes larger to the direction of described first side.
Further, first described groove near second described groove sidewall corresponding to described first air-out
Mouthful wall section and second described groove near first described groove sidewall corresponding to described first air outlet
Wall section be arc surface；The sidewall away from second described groove of first described groove corresponding to described
The sidewall away from first described groove of the wall section of one air outlet and second described groove corresponding to described first
The wall section of air outlet is plane.
Further, first described groove near second described groove sidewall corresponding to described second air-out
Mouthful wall section and second described groove near first described groove sidewall corresponding to described second air outlet
Wall section between distance taper into along described first side to the direction of described second side；First described recessed
The wall section corresponding to described second air outlet of the sidewall away from second described groove of groove and second described groove
The sidewall away from first described groove the wall section corresponding to described second air outlet between distance along described
One side tapers into the direction of described second side.
Further, first described groove near second described groove sidewall corresponding to described second air-out
Mouthful wall section and second described groove near first described groove sidewall corresponding to described second air outlet
Wall section be plane；The sidewall away from second described groove of first described groove corresponding to described second
Going out corresponding to described second of the sidewall away from first described groove of the wall section of air outlet and second described groove
The wall section in air port is arc surface.
Further, described motion baffle plate is circular arc block, the thickness of described circular arc block from the first end of described circular arc block to
Second end is gradually increased, the augment direction of the thickness of described circular arc block and the described centrifugal leaf in the described air channel at its place
The direction of the outboard end relative inner end deviation of the blade of wheel is consistent.
Further, described centrifugal impeller is arranged on described air channel central authorities, and is positioned at the wind of the periphery of described centrifugal impeller
The wall in road is circular arc.
Further, described drain pan has upper surface, lower surface and the left surface being oppositely arranged and right flank, institute
Stating upper surface is described first side, and described lower surface is described second side.
Further, described drain pan has upper surface, lower surface and the left surface being oppositely arranged and right flank, institute
Stating left surface is described first side, and described right flank is described second side.On the other hand, the present invention proposes one
Air-conditioner, including centrifugal blower, described centrifugal blower is any one centrifugal blower above-mentioned.
Application technical scheme, when centrifugal impeller rotates, it is possible to produces wind in air channel, and passes through air channel
It is delivered to the outside of centrifugal blower.Owing to the centrifugal blower of the present invention is provided with multiple air channel, and in air channel accordingly
The centrifugal impeller of wind processed is set, by increasing capacitance it is possible to increase the product air quantity of whole centrifugal blower, so improve centrifugal blower refrigeration or
The efficiency heated.
Under conditions of using multiple air channels, currently preferred technical scheme has the advantages that use is converged
Air channel blowout hot blast, beneficially Indoor Thermal circulation；Use the air channel blowing cold air separated, prevent from directly blowing at human body
On discomfort.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the centrifugal blower of the first embodiment of the present invention three-dimensional structure diagram when refrigerating state；
Fig. 2 diagrammatically illustrates the centrifugal blower of the first embodiment of the present invention front view when refrigerating state；
Fig. 3 diagrammatically illustrates the centrifugal blower of the first embodiment of the present invention three-dimensional structure diagram when heating state；
Fig. 4 diagrammatically illustrates the centrifugal blower of the first embodiment of the present invention front view when heating state；
Fig. 5 diagrammatically illustrates the front view when centrifugal blower of the second embodiment of the present invention is in refrigerating state；
Fig. 6 diagrammatically illustrates the centrifugal blower of the second embodiment of the present invention and is in front view when heating state；With
And
Fig. 7 diagrammatically illustrates the three-dimensional structure diagram of the centrifugal blower of the second embodiment of the present invention.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, drain pan；20, air channel；21, the first air outlet；22, the second air outlet；30, centrifugal impeller；40、
Motion baffle plate；50, motor.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
See and combine shown in Fig. 1 to Fig. 7, during the centrifugal blower real work that left and right above-below direction is the present invention in figure
Left and right above-below direction, in figure, the direction of arrow represents the flow direction of the wind of centrifugal blower.
See and combine shown in Fig. 1 to Fig. 4, according to the first embodiment of the present invention, it is provided that a kind of centrifugal blower.Should
Centrifugal blower includes drain pan 10, at least two air channel 20 and at least two centrifugal impeller 30.Wherein, above-mentioned extremely
Few two air channels 20 are arranged on drain pan 10；Above-mentioned at least two centrifugal impeller 30 is arranged on correspondingly
In at least two air channel 20 stated.When centrifugal impeller 30 rotates, it is possible to produce wind in air channel 20, and pass through wind
Road 20 is delivered to the outside of centrifugal blower.Owing to the centrifugal blower of the present embodiment is provided with multiple air channel 20, and at wind
It is arranged in correspondence with the centrifugal impeller 30 of wind processed in road 20, by increasing capacitance it is possible to increase the product air quantity of whole centrifugal blower, and then improves
The efficiency freezed or heat of centrifugal blower.
In order to drive centrifugal impeller 30 to work, the central authorities of the centrifugal impeller 30 of the present embodiment are provided with motor 50, work as electricity
Machine 50 obtains electric when rotating, and drives centrifugal impeller 30 to rotate wind processed, simple in construction, it is simple to realize.
In the present embodiment, drain pan 10 has the first side and the second side being oppositely arranged, and air channel 20 is from described
One side extends to described second side.Drain pan 10 have upper surface, lower surface and the left surface being oppositely arranged and
Right flank, in the present embodiment, upper surface is the first side of above-mentioned drain pan 10, and lower surface is the second above-mentioned side.
Preferably, air channel 20 extends to the lower surface of drain pan 10 from the upper surface of drain pan 10, and wherein, air channel 20 has position
The first air outlet 21 and the second air outlet 22 being positioned at drain pan 10 lower surface in drain pan 10 upper surface.In order to select
Blowing in suitably air port, centrifugal blower also includes motion baffle plate 40, and this motion baffle plate 40 is arranged in air channel 20.
Motion baffle plate 40 has the first operating position blocked by the first air outlet 21 and blocked by the second air outlet 22 second
Operating position.
According to the structure of the present embodiment, when centrifugal blower is in refrigerating state, motion baffle plate 40 is in its second work
Position, blocks the second air outlet 22, and now, the cold wind that centrifugal blower produces can only from the first air outlet 21 upwards
Flowing out, the air seal low due to temperature is big, the diffusion so cold wind can sink, and improves human comfort；When centrifugal wind
It is real-time that machine is in the state of heating, and motion baffle plate 40 is in its first operating position, is blocked by the first air outlet 21, this
Time, the hot blast that centrifugal blower produces can only flow downward out from the second air outlet 22, owing to the density of hot blast is little, it is possible to
On climb diffusion, be effectively improved the comfort level of human body.
Visible, according to the centrifugal blower of the present invention, motion baffle plate 40 can be switched to not by user according to different demands
Co-located, and then make centrifugal blower have different air-out modes.
Further in conjunction with and see shown in Fig. 1 to Fig. 4, the centrifugal blower in the present embodiment includes the first wind being disposed adjacent
Road and the second air channel, the first adjacent air channel described in the present embodiment and the second air channel refer to the phase of the first air outlet 21
Adjacent two air channels that the air-out direction of separation and the second air outlet 22 converges mutually.
Due to first air outlet 21 in the first air channel in the present embodiment and the air-out of first air outlet 21 in the second air channel
Direction is separated, when centrifugal blower is in refrigerating state, and the blow-off direction phase of the cold wind in the first air channel and the second air channel
The direction separated is flowed out, and the most in downward direction spreads, it is to avoid cold wind directly blows to human body after crossing and causes human body uncomfortable.
And owing to second air outlet 22 in the first air channel converges mutually with the air-out direction of second air outlet 22 in the second air channel,
When centrifugal blower is in and heats state, the first air channel is converged, due to heat mutually with the blow-off direction of the hot blast in the second air channel
The density of air is relatively low, can slowly rise, and circulates in indoor formation overall thermal, it is possible to increase the comfortableness of indoor temperature.
Preferably, the first air channel in the present embodiment and the second air channel are the groove being arranged on drain pan 10, first
The wall section corresponding to the first air outlet 21 of sidewall near second groove of groove and second groove close
Distance between the wall section corresponding to the first air outlet 21 of the sidewall of first groove arrives upper surface along lower surface
Direction becomes larger；The sidewall away from second groove of first groove corresponding to the second air outlet 22 wall section and
Between the wall section corresponding to the second air outlet 22 of the sidewall away from first groove of second groove along end face
Direction to upper surface becomes larger, it is simple to the first air outlet 21 that formation air-out direction is separated, simple in construction, just
In realization.
In order to reduce the noise in air channel, when centrifugal blower is in refrigerating state, in the air channel 20 on the left side in Fig. 2 from
Lobus cardiacus wheel 30 rotates counterclockwise, and the centrifugal impeller 30 in air channel, the right 20 turns clockwise, and by first groove
Near the wall section corresponding to the first air outlet 21 of sidewall of second groove and second groove near first
The wall section corresponding to the first air outlet 21 of the sidewall of groove is disposed as arc surface；First groove away from
The sidewall of two grooves corresponding to the second air outlet 22 wall section and the side away from first groove of second groove
The wall section corresponding to the second air outlet 22 of wall is disposed as plane.On the one hand be prevented from cold wind directly blow people and
Cause human body uncomfortable；On the other hand, additionally it is possible to utilize arcwall face and plane wind path wall to prevent centrifugal impeller 30 from producing
Wind just the avoiding blowing of air channel 20 is produced excessive noise.
Preferably, the first air channel and the second air channel are the groove being arranged on drain pan 10, first groove near the
The wall section corresponding to the second air outlet 22 of the sidewall of two grooves and second groove near first groove
The distance between the wall section corresponding to the second air outlet 22 of the sidewall direction along upper surface to lower surface gradually becomes
Little；The wall section corresponding to the second air outlet 22 of the sidewall away from second groove of first groove and second
Distance between the wall section corresponding to the second air outlet 22 of the sidewall away from first groove of groove is along upper surface
Direction to lower surface tapers into, it is simple to the second air outlet 22 that formation air-out direction converges mutually, simple in construction,
Facilitate implementation.
Similarly, in order to reduce the noise in air channel, when centrifugal blower is in people's state processed, the air channel on the left side in Fig. 4
Centrifugal impeller 30 in 20 turns clockwise, and the centrifugal impeller 30 in air channel, the right 20 rotates counterclockwise, and by
The wall section corresponding to the second air outlet 22 of sidewall near second groove of one groove and second groove
The wall section corresponding to the second air outlet 22 near the sidewall of first groove is disposed as plane；First groove
The wall section corresponding to the second air outlet 22 of the sidewall away from second groove and second groove away from first
The wall section corresponding to the second air outlet 22 of the sidewall of individual groove is disposed as arc surface.On the one hand hot blast can be made
Converge and upwards climb；On the other hand, additionally it is possible to utilize arcwall face and plane wind path wall to prevent centrifugal impeller 30 from producing
Raw wind just produces excessive noise to the avoiding blowing of air channel 20.
Preferably, for the ease of carrying cold customs and morals of the people, centrifugal impeller 30 is arranged on air channel 20 central authorities, and is positioned at centrifugal
The wall in the air channel 20 of the periphery of impeller 30 is circular arc, reduces the generation of noise further.
Preferably, the motion baffle plate 40 in the present embodiment is circular arc block, it is simple to rotating in a circumferential direction also of centrifugal impeller 30
Switching is to block the first air outlet 21 and the second air outlet 22, and then makes centrifugal blower have different air-out mode.This
The thickness of the circular arc block in embodiment is gradually increased, and the air channel 20 at the augment direction of the thickness of this circular arc block and its place
The direction of the outboard end relative inner end deviation of the blade of interior centrifugal impeller 30 is consistent.In conjunction with centrifugal blower first goes out
The structure of air port 21 and the second air outlet 22 is it is recognised that owing to motion baffle plate 40 is in the radial direction side of centrifugal impeller 30
Thickness upwards is along being gradually increased, when centrifugal blower is in refrigeration or heats state, and thicker one of motion baffle plate 40
End is positioned at just at the first air outlet 21 of air-out or just in the edge of the second air outlet 22 of air-out, and can with go out
The wall overlap to form air-supply passage in air port, improves the air-supply effect in air channel.
See shown in Fig. 5 to Fig. 7, according to the second embodiment of the present invention, it is provided that a kind of centrifugal blower, this enforcement
The structure of the centrifugal blower of example is essentially identical with first embodiment.This centrifugal blower includes drain pan 10, at least two wind
Road 20 and at least two centrifugal impeller 30.Wherein, above-mentioned at least two air channel 20 is arranged on drain pan 10,
Drain pan 10 has upper surface, lower surface and left surface (the first side being equivalent in first embodiment being oppositely arranged
Face) and right flank (being equivalent to the second side in first embodiment), each air channel 20 is all prolonged from the left surface of drain pan 10
Extend the right flank of drain pan 10, and each air channel 20 is respectively provided with the first air outlet 21 and the position being positioned at drain pan 10 left surface
The second air outlet 22 in drain pan 10 right flank；Above-mentioned at least two centrifugal impeller 30 is arranged on correspondingly
In at least two air channel 20 stated.When centrifugal impeller 30 rotates, it is possible to produce wind in air channel 20, and pass through wind
Road 20 is delivered to the first air outlet 21 and the second air outlet 22, and then the wind in air channel 20 is delivered to centrifugal blower
Outside for people refrigeration or heat.Owing to the centrifugal blower of the present embodiment is provided with multiple air channel 20, and in air channel
It is arranged in correspondence with the centrifugal impeller 30 of wind processed in 20, by increasing capacitance it is possible to increase the product air quantity of whole centrifugal blower, and then improves centrifugal
The efficiency freezed or heat of blower fan.
In order to drive centrifugal impeller 30 to work, the middle part of the centrifugal impeller 30 of the present embodiment is provided with motor 50, works as electricity
Machine 50 obtains electric when rotating, and drives centrifugal impeller 30 to rotate wind processed, simple in construction, it is simple to realize.
In order to select suitable air port to blow, centrifugal blower also includes motion baffle plate 40, and this motion baffle plate 40 sets
Put in air channel 20.Motion baffle plate 40 has the first operating position blocked by the first air outlet 21 and by the second air-out
The second operating positions that mouth 22 blocks.
According to the structure of the present embodiment, when centrifugal blower is in refrigerating state, motion baffle plate 40 is in its second work
Position, blocks the second air outlet 22, and now, the cold wind that centrifugal blower produces can only be from the of drain pan 10 left surface
One air outlet 21 flows out, and cold wind sinks to spreading, and improves human comfort；When centrifugal blower is in the state of heating in real time,
Motion baffle plate 40 is in its first operating position, is blocked by the first air outlet 21, now, and the heat that centrifugal blower produces
Wind can only flow out from the second air outlet 22 of drain pan 10 right flank, and diffusion of climbing in indoor, is effectively improved human body
Comfort level.
Visible, according to the centrifugal blower of the present invention, motion baffle plate 40 can be switched to not by user according to different demands
Co-located, and then make centrifugal blower have different air-out modes.
Further in conjunction with and see shown in Fig. 5 to Fig. 6, the centrifugal blower in the present embodiment includes the first wind being disposed adjacent
Road and the second air channel, the first adjacent air channel described in the present embodiment and the second air channel refer to going out of the first air outlet 21
Adjacent two air channels 20 that separated and the second air outlet 22 the air-out direction in wind direction converges mutually.
Due to first air outlet 21 in the first air channel in the present embodiment and the air-out of first air outlet 21 in the second air channel
Direction is separated, when centrifugal blower is in refrigerating state, and the blow-off direction phase of the cold wind in the first air channel and the second air channel
The direction separated is flowed out, it is possible to avoids cold wind directly to blow to human body after crossing and causes human body uncomfortable, due to cold air
Density is relatively big, can in downward direction spread, it is simple to improve indoor comfort level.
And owing to second air outlet 22 in the first air channel converges mutually with the air-out direction of second air outlet 22 in the second air channel,
When centrifugal blower is in and heats state, the first air channel is converged, due to heat mutually with the blow-off direction of the hot blast in the second air channel
The density of air is relatively low, can slowly rise, and circulates in indoor formation overall thermal, and then can improve relaxing of indoor temperature
Adaptive.
Preferably, the air channel 20 in the present embodiment is the groove being arranged on drain pan 10, close the second of the first air channel
The wall section corresponding to the first air outlet 21 in air channel and the second air channel near the first air channel corresponding to the first air-out
Distance between the wall section of mouth 21 becomes larger along the direction of the right flank side to the left of drain pan 10；First air channel
The wall section corresponding to the first air outlet 21 and the corresponding to away from the first air channel in the second air channel away from the second air channel
Distance between the wall section of the first air outlet 21 becomes larger, just along the direction of the right flank side to the left of drain pan 10
The first air outlet 21 air-out direction in the first air outlet 21 and the second air channel making the first air channel is separated, structure letter
Single, it is simple to realize.
In order to reduce the noise in air channel, when centrifugal blower is in refrigerating state, being centrifuged in the air channel, lower section 20 in Fig. 1
Impeller 30 rotates counterclockwise, and the centrifugal impeller 30 in air channel, top 20 turns clockwise, and close by the first air channel
The wall section corresponding to the first air outlet 21 in the second air channel and the second air channel near the first air channel corresponding to first
The wall section of air outlet 21 is arc surface, the first air channel away from the second air channel corresponding to the first air outlet 21
The wall section corresponding to the first air outlet 21 away from the first air channel in wall section and the second air channel is plane.On the one hand
It is prevented from cold wind convergence directly to blow people and cause human body uncomfortable；On the other hand, additionally it is possible to utilize arcwall face and plane wind
The wind that road wall prevents centrifugal impeller 30 from producing just produces excessive noise to the avoiding blowing of air channel 20.
Preferably, air channel 20 is the groove being arranged on drain pan 10, the corresponding near the second air channel in the first air channel
The wall section of the second air outlet 22 and the wall section corresponding to the second air outlet 22 near the first air channel in the second air channel
Between distance taper into along the left surface of drain pan 10 to the direction of right flank；First air channel away from the second air channel
Corresponding to the wall section of the second air outlet 22 and the second air channel away from the first air channel corresponding to the second air outlet 22
Distance between wall section tapers into along the left surface of drain pan 10 to the direction of right flank, it is simple to form air-out direction phase
Two the second air outlets 22 converged, simple in construction, it is simple to realize.
Similarly, in order to reduce the noise in air channel, centrifugal blower is in when heating state, the air channel of the lower section in Fig. 2
Centrifugal impeller 30 in 20 turns clockwise, and the centrifugal impeller 30 in air channel, top 20 rotates counterclockwise, and by
The wall section corresponding to the second air outlet 22 near the second air channel in one air channel and close first air channel in the second air channel
The wall section corresponding to the second air outlet 22 be plane；The going out corresponding to second away from the second air channel in the first air channel
The wall section in air port 22 and the wall section corresponding to the second air outlet 22 away from the first air channel in the second air channel are circle
Cambered surface.On the one hand hot blast can be made to converge and upwards climb；On the other hand, additionally it is possible to utilize arcwall face and ventilation duct
The wind that wall prevents centrifugal impeller 30 from producing just produces excessive noise to the avoiding blowing of air channel 20.
Preferably, for the ease of conveying cold-hot wind, centrifugal impeller 30 is arranged in the middle part of air channel 20, and is positioned at centrifugal
The wall in the air channel 20 of the periphery of impeller 30 is circular arc, reduces the generation of noise further.
Preferably, the motion baffle plate 40 in the present embodiment is circular arc block, it is simple to rotating in a circumferential direction also of centrifugal impeller 30
Switching is to block the first air outlet 21 or the second air outlet 22, and then makes centrifugal blower have different air-out mode.This
The thickness of the circular arc block in embodiment is gradually increased to the second end from the first end of circular arc block, and the thickness of this circular arc block
The direction of the outboard end relative inner end deviation of the blade of the centrifugal impeller 30 in the air channel 20 at augment direction and its place
Unanimously.In conjunction with the first air outlet 21 of centrifugal blower and the structure of the second air outlet 22 it is recognised that keep off owing to moving
Plate 40 is gradually increased at the thickness in the radial direction of centrifugal impeller 30, when centrifugal blower is in refrigeration or heats state
Time, thicker one end of motion baffle plate 40 is positioned at just at the first air outlet 21 of air-out or just in the second air-out of air-out
The edge of mouthfuls 22, and can with air outlet at plane overlap to form air-supply passage, improve the air-supply effect in air channel.
According to a further aspect in the invention, it is provided that a kind of air-conditioner, including centrifugal blower, centrifugal blower is above-mentioned
Centrifugal blower.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect: the present invention
Centrifugal blower and the refrigeration of air conditioner or the efficiency that heats high, the noise in air channel is low, and the air motion in air channel is multiple
Close the optimal comfort impression of human body.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a centrifugal blower, it is characterised in that including: drain pan (10), described drain pan is provided with at least two on (10)
Individual air channel (20)；At least two centrifugal impeller (30), described at least two centrifugal impeller (30) one_to_one corresponding
Be arranged on described at least two air channel (20) in；Described centrifugal blower include the first air channel of being disposed adjacent and
Second air channel, first air outlet (21) in described first air channel and first air outlet (21) in described second air channel
Air-out direction be separated；Second air outlet (22) in described first air channel and the second of described second air channel go out
The air-out direction in air port (22) converges mutually.
Centrifugal blower the most according to claim 1, it is characterised in that described drain pan (10) has and is oppositely arranged
First side and the second side, described air channel (20) extend to described second side, institute from described first side
State air channel (20) to have and be positioned at first air outlet (21) of described first side and be positioned at described second side
Second air outlet (22), described centrifugal blower also includes: motion baffle plate (40), described motion baffle plate (40)
Being arranged in described air channel (20), described motion baffle plate (40) has the screening of described first air outlet (21)
The first operating position kept off and the second operating position that described second air outlet (22) is blocked.
Centrifugal blower the most according to claim 1, it is characterised in that described drain pan (10) has and is oppositely arranged
First side and the second side, described air channel (20) extend to described second side, institute from described first side
State air channel (20) to have and be positioned at first air outlet (21) of described first side and be positioned at described second side
Second air outlet (22), described first air channel and described second air channel are and are arranged on described drain pan (10)
Groove.
Centrifugal blower the most according to claim 3, it is characterised in that
First described groove near second described groove sidewall corresponding to described first air outlet (21)
Wall section and second described groove near first described groove sidewall corresponding to described first air-out
Distance between the wall section of mouth (21) becomes larger along described second side to the direction of described first side；
The sidewall away from second described groove of first described groove corresponding to described first air outlet (21)
Wall section and second described groove the sidewall away from first described groove corresponding to described first air-out
Distance between the wall section of mouth (21) becomes larger along described second side to the direction of described first side.
Centrifugal blower the most according to claim 4, it is characterised in that
First described groove near second described groove sidewall corresponding to described first air outlet (21)
Wall section and second described groove near first described groove sidewall corresponding to described first air-out
The wall section of mouth (21) is arc surface；
The sidewall away from second described groove of first described groove corresponding to described first air outlet (21)
Wall section and second described groove the sidewall away from first described groove corresponding to described first air-out
The wall section of mouth (21) is plane.
Centrifugal blower the most according to claim 3, it is characterised in that
First described groove near second described groove sidewall corresponding to described second air outlet (22)
Wall section and second described groove near first described groove sidewall corresponding to described second air-out
Distance between the wall section of mouth (22) tapers into along described first side to the direction of described second side；
The sidewall away from second described groove of first described groove corresponding to described second air outlet (22)
Wall section and second described groove the sidewall away from first described groove corresponding to described second air-out
Distance between the wall section of mouth (22) tapers into along described first side to the direction of described second side.
Centrifugal blower the most according to claim 6, it is characterised in that
First described groove near second described groove sidewall corresponding to described second air outlet (22)
Wall section and second described groove near first described groove sidewall corresponding to described second air-out
The wall section of mouth (22) is plane；
The sidewall away from second described groove of first described groove corresponding to described second air outlet (22)
Wall section and second described groove the sidewall away from first described groove corresponding to described second air-out
The wall section of mouth (22) is arc surface.
Centrifugal blower the most according to claim 2, it is characterised in that described motion baffle plate (40) is circular arc block,
The thickness of described circular arc block is gradually increased to the second end from the first end of described circular arc block, the thickness of described circular arc block
Augment direction and its place described air channel (20) in the outboard end of blade of described centrifugal impeller (30)
The direction of relative inner end deviation is consistent.
Centrifugal blower the most according to any one of claim 1 to 2, it is characterised in that described centrifugal impeller (30)
It is arranged on described air channel (20) central, and be positioned at the air channel (20) of the periphery of described centrifugal impeller (30)
Wall is circular arc.
Centrifugal blower the most according to any one of claim 1 to 2, it is characterised in that described drain pan (10) has
Having upper surface, lower surface and the left surface being oppositely arranged and right flank, described upper surface is described first side
Face, described lower surface is described second side.
11. centrifugal blowers according to any one of claim 1 to 2, it is characterised in that described drain pan (10) has
Having upper surface, lower surface and the left surface being oppositely arranged and right flank, described left surface is described first side
Face, described right flank is described second side.
12. 1 kinds of air-conditioners, including centrifugal blower, it is characterised in that described centrifugal blower is to appoint in claim 1 to 11
One described centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301848.7A CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal blower and air conditioner with it |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597533.2A CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air-conditioner provided with same |
| CN201610301848.7A CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal blower and air conditioner with it |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410597533.2A Division CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air-conditioner provided with same |
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| Publication Number | Publication Date |
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| CN105952671A true CN105952671A (en) | 2016-09-21 |
| CN105952671B CN105952671B (en) | 2019-01-18 |
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| CN201410597533.2A Active CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air-conditioner provided with same |
| CN201610301848.7A Active CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal blower and air conditioner with it |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410597533.2A Active CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air-conditioner provided with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460733A (en) * | 2020-11-09 | 2021-03-09 | 珠海格力电器股份有限公司 | Method and device for cleaning degree of heat exchanger |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807109A (en) * | 2015-05-08 | 2015-07-29 | 珠海格力电器股份有限公司 | Air conditioner |
| JP2017057772A (en) * | 2015-09-16 | 2017-03-23 | 三菱重工業株式会社 | Blower |
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| CN2630540Y (en) * | 2003-05-22 | 2004-08-04 | 曾罗麟 | Centrifugal fan with two air outlets |
| CN204200691U (en) * | 2014-10-29 | 2015-03-11 | 珠海格力电器股份有限公司 | Centrifugal blower and there is its air conditioner |
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| CN2354047Y (en) * | 1998-10-28 | 1999-12-15 | 江苏春兰制冷设备股份有限公司 | Air conditioner with upper and lower air-outlets |
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| US20070137243A1 (en) * | 2005-10-05 | 2007-06-21 | Lg Electronics Inc. | Apparatus for redirecting wind and air conditioner having the same |
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| CN112460733A (en) * | 2020-11-09 | 2021-03-09 | 珠海格力电器股份有限公司 | Method and device for cleaning degree of heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952671B (en) | 2019-01-18 |
| CN104373386B (en) | 2017-01-18 |
| CN104373386A (en) | 2015-02-25 |
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