CN104373386B - Centrifugal fan and air-conditioner provided with same - Google Patents
Centrifugal fan and air-conditioner provided with same Download PDFInfo
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- CN104373386B CN104373386B CN201410597533.2A CN201410597533A CN104373386B CN 104373386 B CN104373386 B CN 104373386B CN 201410597533 A CN201410597533 A CN 201410597533A CN 104373386 B CN104373386 B CN 104373386B
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- air outlet
- air
- groove
- air channel
- centrifugal blower
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- 230000001965 increasing effect Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 13
- 238000005057 refrigeration Methods 0.000 description 8
- 238000007664 blowing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 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
- 238000009423 ventilation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- 239000002131 composite material Substances 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
- 230000006872 improvement Effects 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007480 spreading Effects 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
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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
- 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
Abstract
The invention provides a centrifugal fan and an air-conditioner provided with the centrifugal fan. The centrifugal fan comprises a bottom shell and at least two centrifugal vane wheels, wherein at least two air channels are formed in the bottom shell, the centrifugal vane wheels are arranged in the air channels in a one to one corresponding mode. According to the centrifugal fan and the air-conditioner provided with the centrifugal fan, the wind generation amount of the whole centrifugal fan can be increased, and then the refrigerating or 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.
Background technology
Centrifugal blower is a kind of driven fluid machinery, and it relies on the mechanical energy of input to improve atmospheric pressure and to transfer out
Gas.Being of wide application of blower fan, such as the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building,
Dust discharge and cooling.In addition, the cooling in the ventilation of boiler and industrial furnace and air inducing, the apparatus of air conditioning and domestic electric appliance
And ventilation.
However, in the prior art, the centrifugal blower of air-conditioner is mostly single air channel blower fan, and this blower fan is only capable of from one
Individual air outlet, this makes the refrigeration of this blower fan and heating efficiency relatively low.With social development, constantly the carrying of human's demand
Height, now the centrifugal blower in single air channel can not meet the demand of people.
Content of the invention
Present invention is primarily targeted at providing a kind of centrifugal blower and the air-conditioner with it, 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, drain pan is provided with least two air channels；At least two centrifugal impellers, at least two centrifugal impellers are correspondingly
It is arranged at least two air channels.
Further, drain pan has the first side being oppositely arranged and second side, and air channel extends to from first side
Two side faces, air channel has the first air outlet and the second air outlet being located at second side positioned at first side, and centrifugal blower is also
Including: motion baffle plate, motion baffle plate is arranged in air channel, and motion baffle plate has the first operating position blocking the first air outlet
With the second operating position blocking the second air outlet.
Further, centrifugal blower includes the first air channel being disposed adjacent and the second air channel, first air-out in the first air channel
The air-out direction of first air outlet in mouth and the second air channel is separated.
Further, the air-out direction phase of second air outlet in second air outlet in the first air channel and the second air channel converges.
Further, the first air channel and the second air channel are the groove being arranged on drain pan, first groove near the
The side wall near first groove of the wall section corresponding to the first air outlet of the side wall of two grooves and second groove
The distance between wall section corresponding to the first air outlet becomes larger along second side to the direction of first side；First recessed
The side wall away from second groove of groove corresponding to the second air outlet wall section and second groove away from first groove
The wall section corresponding to the second air outlet of side wall between the direction along second side to first side become larger.
Further, first groove near second groove the wall section corresponding to the first air outlet of side wall and
The wall section corresponding to the first air outlet of the side wall near first groove of second groove is arc surface；First recessed
The side wall away from second groove of groove corresponding to the second air outlet wall section and second groove away from first groove
The wall section corresponding to the second air outlet of side wall be plane.
Further, the first air channel and the second air channel are the groove being arranged on drain pan, first groove near the
The side wall near first groove of the wall section corresponding to the second air outlet of the side wall of two grooves and second groove
The distance between wall section corresponding to the second air outlet tapers into along first side to the direction of second side；First recessed
The wall section corresponding to the second air outlet of the side wall away from second groove of groove and second groove recessed away from first
The distance between wall section corresponding to the second air outlet of the side wall of groove gradually becomes along first side to the direction of second side
Little.
Further, first groove near second groove the wall section corresponding to the second air outlet of side wall and
The wall section corresponding to the second air outlet of the side wall near first groove of second groove is plane；First groove
The wall section corresponding to the second air outlet of the side wall away from second groove and second groove away from first groove
The wall section corresponding to the second air outlet of side wall be arc surface.
Further, centrifugal impeller is arranged on air channel central authorities, and the wall positioned at the air channel of periphery of centrifugal impeller is in circle
Arc.
Further, motion baffle plate is circular arc block, and the thickness of circular arc block gradually increases to the second end from the first end of circular arc block
Greatly, the outboard end relative inner end of the blade of centrifugal impeller in air channel that the augment direction of the thickness of circular arc block is located with it is inclined
From direction consistent.
Further, drain pan has upper surface, lower surface and the left surface being oppositely arranged and right flank, and upper surface is
First side, lower surface is second side.
Further, drain pan has upper surface, lower surface and the left surface being oppositely arranged and right flank, and left surface is
First side, right flank is second side.
According to a further aspect in the invention, there is provided a kind of air-conditioner, including centrifugal blower, centrifugal blower be above-mentioned from
Heart-wind syndrome machine.
Application technical scheme, when centrifugal impeller rotates, can produce wind in air channel, and defeated by air channel
Deliver to the outside of centrifugal blower.Because the centrifugal blower of the present invention is provided with multiple air channels, and it is arranged in correspondence with making in air channel
The centrifugal impeller of wind, by increasing capacitance it is possible to increase the wind-producing amount of whole centrifugal blower, and then improve the refrigeration of centrifugal blower or the efficiency heating.
Brief description
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and its illustrate for explaining the present invention, does not constitute 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 in refrigerating state；
Fig. 2 diagrammatically illustrates the centrifugal blower of the first embodiment of the present invention front view in 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；
The centrifugal blower that Fig. 5 diagrammatically illustrates the second embodiment of the present invention is in front view during refrigerating state；
The centrifugal blower that Fig. 6 diagrammatically illustrates the second embodiment of the present invention 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:
10th, drain pan；20th, air channel；21st, the first air outlet；22nd, the second air outlet；30th, centrifugal impeller；40th, motion baffle plate；
50th, motor.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Referring to reference to shown in Fig. 1 to Fig. 7, the left and right above-below direction of in figure is during the centrifugal blower real work of the present invention
Left and right above-below direction, the in figure direction of arrow represents the flow direction of the wind of centrifugal blower.
Referring to reference to shown in Fig. 1 to Fig. 4, according to the first embodiment of the present invention, there is provided a kind of centrifugal blower.This centrifugation
Blower fan includes drain pan 10, at least two air channels 20 and at least two centrifugal impellers 30.Wherein, at least two above-mentioned air channels 20
It is arranged on drain pan 10；At least two above-mentioned centrifugal impellers 30 are arranged at least two above-mentioned air channels 20 correspondingly
Interior.When centrifugal impeller 30 rotates, wind can be produced in air channel 20, and be delivered to the outside of centrifugal blower by air channel 20.
Because the centrifugal blower of the present embodiment is provided with multiple air channels 20, and it is arranged in correspondence with the centrifugal impeller of wind processed in air channel 20
30, by increasing capacitance it is possible to increase the wind-producing amount of whole centrifugal blower, and then improve the refrigeration of centrifugal blower or the efficiency heating.
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 motor
50 electric rotation when, drive centrifugal impeller 30 to rotate with wind processed, structure is simple, facilitates implementation.
In the present embodiment, drain pan 10 has the first side being oppositely arranged and second side, and air channel 20 is from described first
Side extends to described second side.Drain pan 10 has 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 above-mentioned second side.Preferably, air channel
20 extend to the lower surface of drain pan 10 from the upper surface of drain pan 10, and wherein, air channel 20 has first positioned at drain pan 10 upper surface
Air outlet 21 and the second air outlet 22 being located at drain pan 10 lower surface.In order to select suitable air port to be blown, centrifugal blower
Also include motion baffle plate 40, this motion baffle plate 40 is arranged in air channel 20.Motion baffle plate 40 has blocks the first air outlet 21
The first operating position and the second operating position that the second air outlet 22 is blocked.
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, the second air outlet 22 is blocked, and now, the cold wind that centrifugal blower produces can only flow upwards out from the first air outlet 21, by
Big in the low air seal of temperature, the diffusion so cold wind can sink, 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, and the first air outlet 21 is blocked, now, the hot blast that centrifugal blower produces
Can only flow downward out from the second air outlet 22, because the density of hot blast is little, diffusion of can climbing upwards, effectively improve relaxing of human body
Appropriateness.
It can be seen that, according to the centrifugal blower of the present invention, motion baffle plate 40 can be switched to not by user according to different demands
Same position, and then make centrifugal blower have different air-out modes.
Further in conjunction with and referring to shown in Fig. 1 to Fig. 4, the centrifugal blower in the present embodiment includes the first air channel being disposed adjacent
With the second air channel, in the present embodiment described the first adjacent air channel and the second air channel refer to the first air outlet 21 be separated and
The two neighboring air channel that the air-out direction phase of the second air outlet 22 converges.
Air-out due to first air outlet 21 in the first air channel in the present embodiment and first air outlet 21 in the second air channel
Direction is separated, and when centrifugal blower is in refrigerating state, the blow-off direction of the cold wind in the first air channel and the second air channel is separated
Direction flow out, then in downward direction spread, it is to avoid cold wind directly blows to human body after crossing and causes human body uncomfortable.
And the second air outlet 22 due to the first air channel mutually converges 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 mutually converged with the blow-off direction of the hot blast in the second air channel, due to hot-air
Density relatively low, can slowly rise, form overall thermal cycle indoors, 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 side wall near second groove of groove and close the first of second groove
The distance between wall section corresponding to the first air outlet 21 of the side wall of individual groove is along lower surface to the direction of upper surface gradually
Become big；The side wall away from second groove of first groove corresponding to the second air outlet 22 wall section and second groove
Away from the direction along end face to upper surface between the wall section corresponding to the second air outlet 22 of the side wall of first groove by
Gradual change is big, is easy to form the first air outlet 21 that air-out direction is separated, structure is simple, facilitates implementation.
Centrifugation 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
Impeller 30 rotate counterclockwise, the centrifugal impeller 30 in the right air channel 20 turns clockwise, and close second by first groove
The side wall near first groove of the wall section corresponding to the first air outlet 21 of the side wall of individual groove and second groove
Wall section corresponding to the first air outlet 21 is disposed as arc surface；The side wall away from second groove of first groove right
Should be in the side wall away from first groove of the second air outlet 22 wall section and second groove corresponding to the second air outlet 22
Wall section be disposed as plane.On the one hand it is prevented from cold wind directly to blow people and cause human body uncomfortable；On the other hand additionally it is possible to
Prevent the wind that centrifugal impeller 30 produces from just producing excessive to the avoiding blowing of air channel 20 using arcwall face and plane wind path wall
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 side wall of two grooves and the side wall near first groove of second groove
The distance between the wall section corresponding to the second air outlet 22 taper into along upper surface to the direction of lower surface；First recessed
The wall section corresponding to the second air outlet 22 of the side wall away from second groove of groove and second groove away from first
The distance between wall section corresponding to the second air outlet 22 of the side wall of groove gradually becomes along upper surface to the direction of lower surface
Little, it is easy to form the second air outlet 22 that air-out direction phase converges, structure is simple, facilitates implementation.
Similarly, in order to reduce the noise in air channel, centrifugal blower is in when heating state, the air channel 20 on the left side in Fig. 4
Interior centrifugal impeller 30 turns clockwise, centrifugal impeller 30 rotate counterclockwise in the right air channel 20, and by first groove
Near the wall section corresponding to the second air outlet 22 of side wall of second groove and close first groove of second groove
The wall section corresponding to the second air outlet 22 of side wall be disposed as plane；The side away from second groove of first groove
The side wall away from first groove of the wall section corresponding to the second air outlet 22 of wall and second groove corresponding to second
The wall section of air outlet 22 is disposed as arc surface.On the one hand hot blast can be made to converge and climb upwards；On the other hand additionally it is possible to
Prevent the wind that centrifugal impeller 30 produces from just producing excessive to the avoiding blowing of air channel 20 using arcwall face and plane wind path wall
Noise.
Preferably, for the ease of conveying cold customs and morals of the people, centrifugal impeller 30 is arranged on air channel 20 central authorities, and is located at centrifugal impeller
The wall in the air channel 20 of 30 periphery is in circular arc, reduces the generation of noise further.
Preferably, the motion baffle plate 40 in the present embodiment is circular arc block, is easy to rotating in a circumferential direction and cutting in centrifugal impeller 30
Change to block the first air outlet 21 and the second air outlet 22, and then make centrifugal blower have different air-out modes.In the present embodiment
The thickness of circular arc block be gradually increased, and the centrifugal impeller in the air channel 20 that is located with it of the augment direction of the thickness of this circular arc block
The direction that the outboard end relative inner end of 30 blade is deviateed is consistent.The first air outlet 21 in conjunction with centrifugal blower and the second air-out
Mouthfuls 22 structure it is recognised that due to motion baffle plate 40 centrifugal impeller 30 thickness in the radial direction along being gradually increased, when
When centrifugal blower is in refrigeration or heats state, thicker one end of motion baffle plate 40 is located at the first air outlet 21 just in air-out
Or just in the edge of the second air outlet 22 of air-out, and can improve with the wall overlap to form air-supply passage of air outlet
The air-supply effect in air channel.
Referring to shown in Fig. 5 to Fig. 7, according to the second embodiment of the present invention, there is provided a kind of centrifugal blower, the present embodiment
The structure of centrifugal blower is essentially identical with first embodiment.This centrifugal blower include drain pan 10, at least two air channels 20 and
At least two centrifugal impellers 30.Wherein, at least two above-mentioned air channels 20 are arranged on drain pan 10, and drain pan 10 has upper end
Face, lower surface and the left surface (first side being equivalent in first embodiment) being oppositely arranged and right flank (are equivalent to
Second side in one embodiment), each air channel 20 all extends to the right flank of drain pan 10 from the left surface of drain pan 10, and each air channel
20 are respectively provided with the first air outlet 21 and the second air outlet 22 being located at drain pan 10 right flank positioned at drain pan 10 left surface；Above-mentioned
At least two centrifugal impellers 30 are arranged at least two above-mentioned air channels 20 correspondingly.When centrifugal impeller 30 rotates,
Wind can be produced in air channel 20, and the first air outlet 21 and the second air outlet 22 are delivered to by air channel 20, and then by air channel
The outside that wind in 20 is delivered to centrifugal blower for people's refrigeration or heats.Due to the centrifugal blower of the present embodiment be provided with many
Individual air channel 20, and it is arranged in correspondence with the centrifugal impeller 30 of wind processed in air channel 20, by increasing capacitance it is possible to increase the wind-producing of whole centrifugal blower
Amount, and then improve the refrigeration of centrifugal blower or the efficiency heating.
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 motor
50 electric rotation when, drive centrifugal impeller 30 to rotate with wind processed, structure is simple, facilitates implementation.
In order to select suitable air port to be blown, 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 blocking the first air outlet 21 and blocks the second air outlet 22
The 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, the second air outlet 22 is blocked, and now, the cold wind that centrifugal blower produces can only be from the first air outlet of drain pan 10 left surface
21 outflows, 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, the first air outlet 21 is blocked, and now, the hot blast that centrifugal blower produces can only be from drain pan 10 right flank
Second air outlet 22 flows out, and diffusion of climbing indoors, effectively improves the comfort level of human body.
It can be seen that, according to the centrifugal blower of the present invention, motion baffle plate 40 can be switched to not by user according to different demands
Same position, and then make centrifugal blower have different air-out modes.
Further in conjunction with and referring to shown in Fig. 5 to Fig. 6, the centrifugal blower in the present embodiment includes the first air channel being disposed adjacent
With the second air channel, in the present embodiment, described the first adjacent air channel and the second air channel refer to the air-out direction of the first air outlet 21
The two neighboring air channel 20 that separated and the second air outlet 22 air-out direction phase converges.
Air-out due to first air outlet 21 in the first air channel in the present embodiment and first air outlet 21 in the second air channel
Direction is separated, and when centrifugal blower is in refrigerating state, the blow-off direction of the cold wind in the first air channel and the second air channel is separated
Direction flow out, it can be avoided that cold wind directly blows to human body after crossing and causes human body uncomfortable, because the density of cold air is larger,
Can in downward direction spread, be easy to improve indoor comfort level.
And the second air outlet 22 due to the first air channel mutually converges 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 mutually converged with the blow-off direction of the hot blast in the second air channel, due to hot-air
Density relatively low, can slowly rise, form overall thermal cycle indoors, and then the comfortableness of indoor temperature can be improved.
Preferably, the air channel 20 in the present embodiment is the groove being arranged on drain pan 10, close second wind in the first air channel
The wall section corresponding to the first air outlet 21 in road and the second air channel near the first air channel corresponding to the first air outlet 21
The distance between wall section becomes larger along the direction of the right flank side to the left of drain pan 10；First air channel away from the second air channel
The wall section corresponding to the first air outlet 21 and the second air channel away from the first air channel corresponding to the first air outlet 21 wall
The distance between face section becomes larger along the direction of the right flank side to the left of drain pan 10, is easy to make first air-out in the first air channel
First air outlet 21 air-out direction in mouth 21 and the second air channel is separated, and structure is simple, facilitates implementation.
The centrifugation leaf in lower section air channel 20 in order to reduce the noise in air channel, when centrifugal blower is in refrigerating state, in Fig. 1
Take turns 30 rotate counterclockwises, the centrifugal impeller 30 in top air channel 20 turns clockwise, and by the first air channel near the second air channel
The wall section corresponding to the first air outlet 21 and the second air channel near the first air channel the wall corresponding to the first air outlet 21
Face section is arc surface, the first air channel away from the second air channel corresponding to the wall section of the first air outlet 21 and the second air channel
It is plane away from the first air channel corresponding to the wall section of the first air outlet 21.On the one hand it is prevented from cold wind convergence directly to blow
People and he causes human body uncomfortable；On the other hand additionally it is possible to prevent centrifugal impeller 30 from producing using arcwall face and plane wind path wall
Wind just produces excessive noise to the avoiding blowing of air channel 20.
Preferably, air channel 20 is to be arranged on groove on drain pan 10, the first air channel near the second air channel corresponding to the
Between the wall section of two air outlets 22 and the wall section corresponding to the second air outlet 22 in close first air channel in the second air channel
Distance tapers into along the direction of left surface to the right flank of drain pan 10；First air channel away from the second air channel corresponding to second
The wall section of air outlet 22 and the second air channel away from the first air channel corresponding between the wall section of the second air outlet 22 away from
Direction from left surface to the right flank along drain pan 10 tapers into, and is easy to form two the second air-out that air-out direction phase converges
Mouth 22, structure is simple, facilitates implementation.
Similarly, in order to reduce the noise in air channel, centrifugal blower is in when heating state, the air channel 20 of the lower section in Fig. 2
Interior centrifugal impeller 30 turns clockwise, centrifugal impeller 30 rotate counterclockwise in top air channel 20, and leaning on the first air channel
The wall section corresponding to the second air outlet 22 in nearly second air channel and the going out corresponding to second near the first air channel in the second air channel
The wall section in air port 22 is plane；First air channel away from the second air channel corresponding to the wall section of the second air outlet 22 and
Two air channels be arc surface away from the first air channel corresponding to the wall section of the second air outlet 22.On the one hand hot blast can be made to converge
Gather and climb upwards；On the other hand additionally it is possible to just prevent wind that centrifugal impeller 30 produces using arcwall face and plane wind path wall
Excessive noise is produced 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 located at centrifugal impeller
The wall in the air channel 20 of 30 periphery is in circular arc, reduces the generation of noise further.
Preferably, the motion baffle plate 40 in the present embodiment is circular arc block, is easy to rotating in a circumferential direction and cutting in centrifugal impeller 30
Change to block the first air outlet 21 or the second air outlet 22, and then make centrifugal blower have different air-out modes.In the present embodiment
The thickness of circular arc block be gradually increased to the second end from the first end of circular arc block, and the augment direction of the thickness of this circular arc block and its
The direction that the outboard end relative inner end of the blade of centrifugal impeller 30 in air channel 20 being located is deviateed is consistent.In conjunction with centrifugal blower
The first air outlet 21 and the second air outlet 22 structure it is recognised that because motion baffle plate 40 is in the radial direction side of centrifugal impeller 30
Thickness upwards is gradually increased, and when centrifugal blower is in refrigeration or heats state, thicker one end of motion baffle plate 40 is located at
Just in the first air outlet 21 of air-out or just in the edge of the second air outlet 22 of air-out, and can be with the plane of air outlet
Overlap to form air-supply passage, improves the air-supply effect in air channel.
According to a further aspect in the invention, there is provided a kind of air-conditioner, including centrifugal blower, centrifugal blower be above-mentioned from
Heart-wind syndrome machine.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect: the present invention's
The refrigeration of centrifugal blower and air conditioner or the efficiency high heating, the noise in air channel is low, and the air motion composite human body in air channel
Optimal comfort impression.
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 repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of centrifugal blower is it is characterised in that include:
Drain pan (10), described drain pan (10) is provided with least two air channels (20), and described drain pan (10) has and is oppositely arranged
First side and second side, described air channel (20) extends to described second side, described air channel (20) from described first side
There is the first air outlet (21) positioned at described first side and the second air outlet (22) being located at described second side；
At least two centrifugal impellers (30), described at least two centrifugal impellers (30) are arranged on described at least two correspondingly
In air channel (20)；
Described centrifugal blower includes the first air channel being disposed adjacent and the second air channel, and described first air channel and described second air channel are equal
For being arranged on the groove on described drain pan (10),
The wall corresponding to described first air outlet (21) of the side wall near second described groove of first described groove
The wall corresponding to described first air outlet (21) of the side wall near first described groove of section and second described groove
The distance between section becomes larger along the direction of described second side to described first side；
The side wall away from second described groove of first described groove corresponding to described second air outlet (22) wall section
With second described groove away from the side wall of first described groove corresponding to described second air outlet (22) wall section
The distance between become larger along the direction of described second side to described first side.
2. centrifugal blower according to claim 1 is it is characterised in that described centrifugal blower also includes:
Motion baffle plate (40), described motion baffle plate (40) is arranged in described air channel (20), described motion baffle plate (40) have by
The first operating position and the second operating position that described second air outlet (22) is blocked that described first air outlet (21) is blocked.
3. centrifugal blower according to claim 2 is it is characterised in that first air outlet (21) in described first air channel and institute
The air-out direction stating first air outlet (21) in the second air channel is separated.
4. centrifugal blower according to claim 3 is it is characterised in that second air outlet (22) in described first air channel and institute
The air-out direction phase stating second air outlet (22) in the second air channel converges.
5. centrifugal blower according to claim 1 it is characterised in that
The wall corresponding to described first air outlet (21) of the side wall near second described groove of first described groove
The wall corresponding to described first air outlet (21) of the side wall near first described groove of section and second described groove
Duan Junwei arc surface；
The side wall away from second described groove of first described groove corresponding to described second air outlet (22) wall section
With second described groove away from the side wall of first described groove corresponding to described second air outlet (22) wall section
It is plane.
6. centrifugal blower according to claim 3 is it is characterised in that described first air channel and described second air channel are and set
Put the groove on described drain pan (10),
The wall corresponding to described second air outlet (22) of the side wall near second described groove of first described groove
The wall corresponding to described second air outlet (22) of the side wall near first described groove of section and second described groove
The distance between section tapers into along the direction of described first side to described second side；
The wall corresponding to described second air outlet (22) of the side wall away from second described groove of first described groove
The wall corresponding to described second air outlet (22) of the side wall away from first described groove of section and second described groove
The distance between section tapers into along the direction of described first side to described second side.
7. centrifugal blower according to claim 6 it is characterised in that
The wall corresponding to described second air outlet (22) of the side wall near second described groove of first described groove
The wall corresponding to described second air outlet (22) of the side wall near first described groove of section and second described groove
Duan Junwei plane；
The wall corresponding to described second air outlet (22) of the side wall away from second described groove of first described groove
The wall corresponding to described second air outlet (22) of the side wall away from first described groove of section and second described groove
Duan Junwei arc surface.
8. centrifugal blower according to claim 2 it is characterised in that described motion baffle plate (40) be circular arc block, described circle
The thickness of arc block is gradually increased to the second end from the first end of described circular arc block, the augment direction of thickness of described circular arc block and its
The direction that the outboard end relative inner end of the blade of described centrifugal impeller (30) in described air channel (20) being located is deviateed is consistent.
9. centrifugal blower according to any one of claim 1 to 8 is it is characterised in that described centrifugal impeller (30) is arranged
In described air channel (20) central authorities, and the wall positioned at the air channel (20) of periphery of described centrifugal impeller (30) is in circular arc.
10. the centrifugal blower according to any one of claim 2 to 8 is it is characterised in that described drain pan (10) has upper end
Face, lower surface and the left surface being oppositely arranged and right flank, described upper surface is described first side, and described lower surface is
Described second side.
11. centrifugal blowers according to any one of claim 2 to 8 are it is characterised in that described drain pan (10) has upper end
Face, lower surface and the left surface being oppositely arranged and right flank, described left surface is described first side, and described right flank is
Described second side.
A kind of 12. air-conditioners, including centrifugal blower it is characterised in that described centrifugal blower is any one of claim 1 to 11
Described centrifugal blower.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301848.7A CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal blower and air conditioner with it |
| CN201410597533.2A CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air-conditioner provided with same |
Applications Claiming Priority (1)
| 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 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301848.7A Division CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal blower and air conditioner with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373386A CN104373386A (en) | 2015-02-25 |
| CN104373386B true CN104373386B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301848.7A Active CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal blower and air conditioner with it |
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| Country | Link |
|---|---|
| CN (2) | CN104373386B (en) |
Families Citing this family (3)
| 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 |
| 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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2001153390A (en) * | 1999-11-26 | 2001-06-08 | Daikin Ind Ltd | Air conditioner |
| CN2630540Y (en) * | 2003-05-22 | 2004-08-04 | 曾罗麟 | Centrifugal fan with two air outlets |
| KR100755139B1 (en) * | 2005-10-05 | 2007-09-04 | 엘지전자 주식회사 | Air conditioner |
| CN201129804Y (en) * | 2007-11-16 | 2008-10-08 | 珠海格力电器股份有限公司 | Separation and floor type air conditioner with novel ducting system |
| CN201878484U (en) * | 2010-11-19 | 2011-06-22 | 讯凯国际股份有限公司 | Cooling pad |
| CN103776098B (en) * | 2012-10-23 | 2017-04-12 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner with same |
| CN202973363U (en) * | 2012-12-13 | 2013-06-05 | 珠海格力电器股份有限公司 | Air-conditioner |
| 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 |
-
2014
- 2014-10-29 CN CN201410597533.2A patent/CN104373386B/en active Active
- 2014-10-29 CN CN201610301848.7A patent/CN105952671B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952671A (en) | 2016-09-21 |
| CN104373386A (en) | 2015-02-25 |
| CN105952671B (en) | 2019-01-18 |
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