CN204200691U - Centrifugal fan and air conditioner with same - Google Patents
Centrifugal fan and air conditioner with same Download PDFInfo
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- CN204200691U CN204200691U CN201420638810.5U CN201420638810U CN204200691U CN 204200691 U CN204200691 U CN 204200691U CN 201420638810 U CN201420638810 U CN 201420638810U CN 204200691 U CN204200691 U CN 204200691U
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- 238000005057 refrigeration Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 5
- 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
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a centrifugal fan and have its air conditioner. The centrifugal fan includes: the bottom shell is provided with at least two air channels; at least two centrifugal impellers are arranged in the at least two air channels in a one-to-one correspondence mode. According to the utility model discloses a centrifugal fan and have its air conditioner can increase whole centrifugal fan's the production amount of wind, and then improves centrifugal fan's refrigeration or the efficiency that heats.
Description
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of centrifugal blower and the air conditioner with it.
Background technique
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 the ventilation of factory, mine, tunnel, cooling tower, vehicle, boats and ships 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.
But in the prior art, the centrifugal blower of air conditioner is for mostly being single air channel blower fan, and this blower fan only can from an air outlet, this make the refrigeration of this blower fan and heating efficiency lower.Along with the development of society, improving constantly of human demand, the centrifugal blower in present single air channel can not meet the demand of people.
Model utility content
Main purpose of the present utility model is the air conditioner providing a kind of centrifugal blower and have it, to solve the little problem of centrifugal blower air quantity of the prior art.
To achieve these goals, according to an aspect of the present utility model, provide a kind of centrifugal blower, centrifugal blower comprises: drain pan, drain pan is provided with at least two air channels; At least two centrifugal impellers, at least two centrifugal impellers are arranged at least two air channels correspondingly.
Further, drain pan has the first side and the second side that are oppositely arranged, air channel extends to the second side from the first side, air channel has the first exhaust outlet being positioned at the first side and the second exhaust outlet being positioned at the second side, centrifugal blower also comprises: motion baffle plate, motion baffle plate is arranged in air channel, and motion baffle plate has first working position of being blocked by the first exhaust outlet and second working position of being blocked by the second exhaust outlet.
Further, centrifugal blower comprises the first air channel and the second air channel that are disposed adjacent, and the air-out direction of first exhaust outlet in the first air channel and first exhaust outlet in the second air channel is separated.
Further, second exhaust outlet in the first air channel converges mutually with the air-out direction of second exhaust outlet in the second air channel.
Further, first air channel and the second air channel are the groove be arranged on drain pan, and the distance corresponded between the wall section of the first exhaust outlet and the wall section corresponding to the first exhaust outlet of the sidewall near first groove of second groove of the sidewall near second groove of first groove becomes large gradually along the second side to the direction of the first side; Become large gradually along the second side to the direction of the first side between the wall section corresponding to the second exhaust outlet corresponding to the sidewall away from first groove of the second exhaust outlet wall section and second groove of the sidewall away from second groove of first groove.
Further, the wall section corresponding to the first exhaust outlet corresponding to the wall section of the first exhaust outlet and the sidewall near first groove of second groove of the sidewall near second groove of first groove is arc surface; The wall section corresponding to the second exhaust outlet corresponding to the sidewall away from first groove of the second exhaust outlet wall section and second groove of the sidewall away from second groove of first groove is plane.
Further, first air channel and the second air channel are the groove be arranged on drain pan, and the direction of distance along the first side to the second side corresponded between the wall section of the second exhaust outlet and the wall section corresponding to the second exhaust outlet of the sidewall near first groove of second groove of the sidewall near second groove of first groove diminishes gradually; The direction of distance along the first side to the second side corresponded between the wall section of the second exhaust outlet and the wall section corresponding to the second exhaust outlet of the sidewall away from first groove of second groove of the sidewall away from second groove of first groove diminishes gradually.
Further, the wall section corresponding to the second exhaust outlet corresponding to the wall section of the second exhaust outlet and the sidewall near first groove of second groove of the sidewall near second groove of first groove is plane; The wall section corresponding to the second exhaust outlet corresponding to the wall section of the second exhaust outlet and the sidewall away from first groove of second groove of the sidewall away from second groove of first groove is arc surface.
Further, centrifugal impeller is arranged on air channel central authorities, and the wall being positioned at the air channel of the periphery of centrifugal impeller is circular arc.
Further, motion baffle plate is circular arc block, and the thickness of circular arc block increases from the first end of circular arc block gradually to the second end, and the augment direction of the thickness of circular arc block is consistent with the direction that the outboard end relative inner end of the blade of the centrifugal impeller in the air channel at its place departs from.
Further, drain pan has upper-end surface, lower end surface and the left surface be oppositely arranged and right flank, and upper-end surface is the first side, and lower end surface is the second side.
Further, drain pan has upper-end surface, lower end surface and the left surface be oppositely arranged and right flank, and left surface is the first side, and right flank is the second side.
According to another aspect of the present utility model, provide a kind of air conditioner, comprise centrifugal blower, centrifugal blower is above-mentioned centrifugal blower.
Application the technical solution of the utility model, when centrifugal impeller rotates, can produce wind, and be delivered to the outside of centrifugal blower by air channel in air channel.Because centrifugal blower of the present utility model is provided with multiple air channel, and the centrifugal impeller of wind processed is set accordingly in air channel, the product air quantity of whole centrifugal blower can be increased, and then improve the refrigeration of centrifugal blower or the efficiency that heats.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the three-dimensional structure diagram of centrifugal blower when refrigerating state of the first embodiment of the present utility model;
Fig. 2 diagrammatically illustrates the plan view of centrifugal blower when refrigerating state of the first embodiment of the present utility model;
Fig. 3 diagrammatically illustrates the three-dimensional structure diagram of centrifugal blower when heating state of the first embodiment of the present utility model;
Fig. 4 diagrammatically illustrates the plan view of centrifugal blower when heating state of the first embodiment of the present utility model;
The centrifugal blower that Fig. 5 diagrammatically illustrates the second embodiment of the present utility model is in plan view during refrigerating state;
The centrifugal blower that Fig. 6 diagrammatically illustrates the second embodiment of the present utility model is in plan view when heating state; And
Fig. 7 diagrammatically illustrates the three-dimensional structure diagram of the centrifugal blower of the second embodiment of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, drain pan; 20, air channel; 21, the first exhaust outlet; 22, the second exhaust outlet; 30, centrifugal impeller; 40, motion baffle plate; 50, motor.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Shown in composition graphs 1 to Fig. 7, the left and right above-below direction when left and right above-below direction in figure is centrifugal blower real work of the present utility model, in figure, the direction of arrow represents the flow direction of the wind of centrifugal blower.
Shown in composition graphs 1 to Fig. 4, according to the first embodiment of the present utility model, provide a kind of centrifugal blower.This centrifugal blower comprises drain pan 10, at least two air channels 20 and at least two centrifugal impellers 30.Wherein, above-mentioned at least two air channels 20 are all arranged on drain pan 10; Above-mentioned at least two centrifugal impellers 30 are arranged in above-mentioned at least two air channels 20 correspondingly.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.Centrifugal blower due to the present embodiment is provided with multiple air channel 20, and in air channel 20, arrange the centrifugal impeller 30 of wind processed accordingly, can increase the product air quantity of whole centrifugal blower, and then improves the refrigeration of centrifugal blower or the efficiency that heats.
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, and when motor 50 obtains electric rotation, drive centrifugal impeller 30 to rotate wind processed, structure is simple, is convenient to realize.
In the present embodiment, drain pan 10 has the first side and the second side that are oppositely arranged, and air channel 20 extends to described second side from described first side.Drain pan 10 has upper-end surface, lower end surface and the left surface be oppositely arranged and right flank, and in the present embodiment, upper-end surface is the first side of above-mentioned drain pan 10, and lower end surface is the second above-mentioned side.Preferably, air channel 20 extends to the lower end surface of drain pan 10 from the upper-end surface of drain pan 10, and wherein, air channel 20 has the first exhaust outlet 21 being positioned at drain pan 10 upper-end surface and the second exhaust outlet 22 being positioned at drain pan 10 lower end surface.In order to select suitable air port to blow, centrifugal blower also comprises motion baffle plate 40, and this motion baffle plate 40 is arranged in air channel 20.Motion baffle plate 40 has first working position of being blocked by the first exhaust outlet 21 and second working position of being blocked by the second exhaust outlet 22.
According to the structure of the present embodiment, when centrifugal blower is in refrigerating state, motion baffle plate 40 is in its second working position, second exhaust outlet 22 is blocked, now, the cold wind that centrifugal blower produces upwards can only flow out from the first exhaust outlet 21, and the gas seal low due to temperature is large, the diffusion so cold wind can sink, improves human comfort; When centrifugal blower, to be in the state of heating real-time, motion baffle plate 40 is in its first working position, first exhaust outlet 21 is blocked, now, the hot blast that centrifugal blower produces can only flow out downwards from the second exhaust outlet 22, because the density of hot blast is little, diffusion of can upwards climbing, effectively improves the comfort level of human body.
Visible, according to centrifugal blower of the present utility model, motion baffle plate 40 can be switched to diverse location according to different demands by user, and then makes centrifugal blower have different air-out modes.
Again combine and see shown in Fig. 1 to Fig. 4, centrifugal blower in the present embodiment comprises the first air channel and the second air channel that are disposed adjacent, and in the present embodiment, said the first adjacent air channel refers to being separated of the first exhaust outlet 21 with the second air channel and the air-out direction of the second exhaust outlet 22 adjacent two air channels of converging mutually.
Because the air-out direction of first exhaust outlet 21 in the first air channel in the present embodiment and first exhaust outlet 21 in the second air channel is separated, when centrifugal blower is in refrigerating state, the direction that the blow-off direction of the cold wind in the first air channel and the second air channel is separated is flowed out, then in downward direction spread, directly blow to human body after avoiding cold wind to cross and cause human body uncomfortable.
And converge mutually due to the air-out direction of second exhaust outlet 22 in the first air channel with second exhaust outlet 22 in the second air channel, when centrifugal blower be in heat state time, first air channel is converged mutually with the blow-off direction of the hot blast in the second air channel, because the density of hot air is lower, can slowly rise, in the circulation of indoor formation overall thermal, the travelling comfort of room temperature can be improved.
Preferably, the first air channel in the present embodiment and the second air channel are the groove be arranged on drain pan 10, and the distance corresponded between the wall section of the first exhaust outlet 21 and the wall section corresponding to the first exhaust outlet 21 of the sidewall near first groove of second groove of the sidewall near second groove of first groove becomes large gradually along lower end surface to the direction of upper-end surface; The direction along end face to upper-end surface between the wall section corresponding to the second exhaust outlet 22 corresponding to the sidewall away from first groove of the second exhaust outlet 22 wall section and second groove of the sidewall away from second groove of first groove becomes large gradually, be convenient to the first exhaust outlet 21 that formation air-out direction is separated, structure is simple, is convenient to realize.
In order to reduce the noise in air channel, when centrifugal blower is in refrigerating state, centrifugal impeller 30 in the air channel 20 on the left side in Fig. 2 is rotated counterclockwise, centrifugal impeller 30 in air channel 20, the right turns clockwise, and the wall Duan Jun corresponding to the first exhaust outlet 21 corresponding to the wall section of the first exhaust outlet 21 and the sidewall near first groove of second groove of the sidewall near second groove of first groove is set to arc surface; The wall Duan Jun corresponding to the second exhaust outlet 22 corresponding to the sidewall away from first groove of the second exhaust outlet 22 wall section and second groove of the sidewall away from second groove of first groove is set to plane.Can prevent cold wind from directly blowing people on the one hand and cause human body uncomfortable; On the other hand, arc shaped surface and plane wind path wall can also be utilized just to produce excessive noise to the avoiding blowing of air channel 20 to the wind preventing centrifugal impeller 30 and produce.
Preferably, first air channel and the second air channel are the groove be arranged on drain pan 10, and the direction of distance along upper-end surface to lower end surface corresponded between the wall section of the second exhaust outlet 22 and the wall section corresponding to the second exhaust outlet 22 of the sidewall near first groove of second groove of the sidewall near second groove of first groove diminishes gradually; The direction of distance along upper-end surface to lower end surface corresponded between the wall section of the second exhaust outlet 22 and the wall section corresponding to the second exhaust outlet 22 of the sidewall away from first groove of second groove of the sidewall away from second groove of first groove diminishes gradually, be convenient to the second exhaust outlet 22 that formation air-out direction converges mutually, structure is simple, is convenient to realize.
Similarly, in order to reduce the noise in air channel, when centrifugal blower is in people's state processed, centrifugal impeller 30 in the air channel 20 on the left side in Fig. 4 turns clockwise, centrifugal impeller 30 in air channel 20, the right is rotated counterclockwise, and the wall Duan Jun corresponding to the second exhaust outlet 22 corresponding to the wall section of the second exhaust outlet 22 and the sidewall near first groove of second groove of the sidewall near second groove of first groove is set to plane; The wall Duan Jun corresponding to the second exhaust outlet 22 corresponding to the wall section of the second exhaust outlet 22 and the sidewall away from first groove of second groove of the sidewall away from second groove of first groove is set to arc surface.Hot blast can be made on the one hand to converge and upwards climb; On the other hand, arc shaped surface and plane wind path wall can also be utilized just to produce excessive noise to the avoiding blowing of air channel 20 to the wind preventing centrifugal impeller 30 and produce.
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 the wall being positioned at the air channel 20 of the periphery of centrifugal impeller 30 being circular arc, reducing the generation of noise further.
Preferably, the motion baffle plate 40 in the present embodiment is circular arc block, is convenient to rotating in a circumferential direction and switching to block the first exhaust outlet 21 and the second exhaust outlet 22 at centrifugal impeller 30, and then makes centrifugal blower have different air-out mode.The thickness of the circular arc block in the present embodiment increases gradually, and the augment direction of the thickness of this circular arc block is consistent with the direction that the outboard end relative inner end of the blade of the centrifugal impeller 30 in the air channel 20 at its place departs from.Can know in conjunction with the first exhaust outlet 21 of centrifugal blower and the structure of the second exhaust outlet 22, because the thickness in the radial direction edge of motion baffle plate 40 at centrifugal impeller 30 increases gradually, when centrifugal blower is in refrigeration or heats state, thicker one end of motion baffle plate 40 is positioned at just at the first exhaust outlet 21 of air-out or just in the edge of the second exhaust outlet 22 of air-out, and can overlap with the wall of exhaust outlet and form air-supply passage, improve the air-supply effect in air channel.
See shown in Fig. 5 to Fig. 7, according to the second embodiment of the present utility model, provide a kind of centrifugal blower, the structure of the centrifugal blower of the present embodiment and the substantially identical of the first embodiment.This centrifugal blower comprises drain pan 10, at least two air channels 20 and at least two centrifugal impellers 30.Wherein, above-mentioned at least two air channels 20 are all arranged on drain pan 10, drain pan 10 has upper-end surface, lower end surface and the left surface (being equivalent to the first side in the first embodiment) be oppositely arranged and right flank (being equivalent to the second side in the first 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 all has the first exhaust outlet 21 being positioned at drain pan 10 left surface and the second exhaust outlet 22 being positioned at drain pan 10 right flank; Above-mentioned at least two centrifugal impellers 30 are arranged in above-mentioned at least two air channels 20 correspondingly.When centrifugal impeller 30 rotates, wind can be produced in air channel 20, and be delivered to the first exhaust outlet 21 and the second exhaust outlet 22 by air channel 20, and then freeze for people or heat in the outside wind in air channel 20 being delivered to centrifugal blower.Centrifugal blower due to the present embodiment is provided with multiple air channel 20, and in air channel 20, arrange the centrifugal impeller 30 of wind processed accordingly, can increase the product air quantity of whole centrifugal blower, and then improves the refrigeration of centrifugal blower or the efficiency that heats.
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, and when motor 50 obtains electric rotation, drive centrifugal impeller 30 to rotate wind processed, structure is simple, is convenient to realize.
In order to select suitable air port to blow, centrifugal blower also comprises motion baffle plate 40, and this motion baffle plate 40 is arranged in air channel 20.Motion baffle plate 40 has first working position of being blocked by the first exhaust outlet 21 and second working position of being blocked by the second exhaust outlet 22.
According to the structure of the present embodiment, when centrifugal blower is in refrigerating state, motion baffle plate 40 is in its second working position, second exhaust outlet 22 is blocked, now, the cold wind that centrifugal blower produces can only flow out from the first exhaust outlet 21 of drain pan 10 left surface, 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 working position, is blocked by the first exhaust outlet 21, now, the hot blast that centrifugal blower produces can only flow out from the second exhaust outlet 22 of drain pan 10 right flank, and diffusion of climbing in indoor, effectively improve the comfort level of human body.
Visible, according to centrifugal blower of the present utility model, motion baffle plate 40 can be switched to diverse location according to different demands by user, and then makes centrifugal blower have different air-out modes.
Again combine and see shown in Fig. 5 to Fig. 6, centrifugal blower in the present embodiment comprises the first air channel and the second air channel that are disposed adjacent, and in the present embodiment, said the first adjacent air channel and the second air channel refer to that the air-out direction of the first exhaust outlet 21 is separated and the air-out direction of the second exhaust outlet 22 adjacent two air channels 20 of converging mutually.
Because the air-out direction of first exhaust outlet 21 in the first air channel in the present embodiment and first exhaust outlet 21 in the second air channel is separated, when centrifugal blower is in refrigerating state, the direction that the blow-off direction of the cold wind in the first air channel and the second air channel is separated is flowed out, directly blow to human body after cold wind can be avoided to cross and cause human body uncomfortable, because the density of cool air is larger, in downward direction can spread, be convenient to improve indoor comfort level.
And converge mutually due to the air-out direction of second exhaust outlet 22 in the first air channel with second exhaust outlet 22 in the second air channel, when centrifugal blower be in heat state time, first air channel is converged mutually with the blow-off direction of the hot blast in the second air channel, because the density of hot air is lower, can slowly rise, in the circulation of indoor formation overall thermal, and then the travelling comfort of room temperature can be improved.
Preferably, air channel 20 in the present embodiment is for being arranged on the groove on drain pan 10, and the distance between the wall section corresponding to the first exhaust outlet 21 in the first air channel corresponding to the wall section of the first exhaust outlet 21 and the second air channel near the second air channel in the first air channel becomes large gradually along the direction of the right flank side left of drain pan 10; First air channel away from the second air channel correspond to the wall section of the first exhaust outlet 21 and the second air channel away from the first air channel the wall section corresponding to the first exhaust outlet 21 between distance become large gradually along the direction of the right flank side left of drain pan 10, be convenient to first exhaust outlet 21 in the first air channel and first exhaust outlet 21 air-out direction in the second air channel are separated, structure is simple, is convenient to realize.
In order to reduce the noise in air channel, when centrifugal blower is in refrigerating state, centrifugal impeller 30 in air channel, below 20 in Fig. 1 is rotated counterclockwise, centrifugal impeller 30 in air channel 20, top turns clockwise, and the wall section corresponding to the first exhaust outlet 21 near the second air channel in the first air channel and the wall section corresponding to the first exhaust outlet 21 near the first air channel in the second air channel are arc surface, the wall section corresponding to the first exhaust outlet 21 away from the second air channel in the first air channel and the wall section corresponding to the first exhaust outlet 21 away from the first air channel in the second air channel are plane.Can prevent from cold wind from converging on the one hand directly blow people and cause human body uncomfortable; On the other hand, arc shaped surface and plane wind path wall can also be utilized just to produce excessive noise to the avoiding blowing of air channel 20 to the wind preventing centrifugal impeller 30 and produce.
Preferably, air channel 20 is for being arranged on the groove on drain pan 10, and the distance between the wall section corresponding to the second exhaust outlet 22 in the first air channel corresponding to the wall section of the second exhaust outlet 22 and the second air channel near the second air channel in the first air channel diminishes along the left surface of drain pan 10 gradually to the direction of right flank; First air channel away from the second air channel correspond to the wall section of the second exhaust outlet 22 and the second air channel away from the first air channel the wall section corresponding to the second exhaust outlet 22 between distance diminish gradually along the left surface of drain pan 10 to the direction of right flank, be convenient to two the second exhaust outlets 22 that formation air-out direction converges mutually, structure is simple, is convenient to realize.
Similarly, in order to reduce the noise in air channel, when centrifugal blower is in and heats state, centrifugal impeller 30 in the air channel 20 of the below in Fig. 2 turns clockwise, centrifugal impeller 30 in air channel 20, top is rotated counterclockwise, and the wall section corresponding to the second exhaust outlet 22 near the second air channel in the first air channel and the wall section corresponding to the second exhaust outlet 22 near the first air channel in the second air channel are plane; The wall section corresponding to the second exhaust outlet 22 away from the second air channel in the first air channel and the wall section corresponding to the second exhaust outlet 22 away from the first air channel in the second air channel are arc surface.Hot blast can be made on the one hand to converge and upwards climb; On the other hand, arc shaped surface and plane wind path wall can also be utilized just to produce excessive noise to the avoiding blowing of air channel 20 to the wind preventing centrifugal impeller 30 and produce.
Preferably, for the ease of conveying cold-hot wind, centrifugal impeller 30 is arranged in the middle part of air channel 20, and the wall being positioned at the air channel 20 of the periphery of centrifugal 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, is convenient to rotating in a circumferential direction and switching to block the first exhaust outlet 21 or the second exhaust outlet 22 at centrifugal impeller 30, and then makes centrifugal blower have different air-out mode.The thickness of the circular arc block in the present embodiment increases from the first end of circular arc block gradually to the second end, and the augment direction of the thickness of this circular arc block is consistent with the direction that the outboard end relative inner end of the blade of the centrifugal impeller 30 in the air channel 20 at its place departs from.Can know in conjunction with the first exhaust outlet 21 of centrifugal blower and the structure of the second exhaust outlet 22, because the thickness in the radial direction of motion baffle plate 40 at centrifugal impeller 30 increases gradually, when centrifugal blower is in refrigeration or heats state, thicker one end of motion baffle plate 40 is positioned at just at the first exhaust outlet 21 of air-out or just in the edge of the second exhaust outlet 22 of air-out, and can overlap with the plane at exhaust outlet place and form air-supply passage, improve the air-supply effect in air channel.
According to another aspect of the present utility model, provide a kind of air conditioner, comprise centrifugal blower, centrifugal blower is above-mentioned centrifugal blower.
From above description, can find out, the utility model the above embodiments achieve following technique effect: the refrigeration of centrifugal blower of the present utility model and air conditioner or the efficiency heated high, the noise in air channel is low, and the optimal comfort impression of air motion composite human body in air channel.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (13)
1. a centrifugal blower, is characterized in that, comprising:
Drain pan (10), described drain pan (10) is provided with at least two air channels (20);
At least two centrifugal impellers (30), at least two air channels (20) described in described at least two centrifugal impellers (30) are arranged on correspondingly.
2. centrifugal blower according to claim 1, it is characterized in that, described drain pan (10) has the first side and the second side that are oppositely arranged, described air channel (20) extends to described second side from described first side, described air channel (20) has the first exhaust outlet (21) being positioned at described first side and the second exhaust outlet (22) being positioned at described second side, and described centrifugal blower also comprises:
Motion baffle plate (40), described motion baffle plate (40) is arranged in described air channel (20), and described motion baffle plate (40) has first working position of described first exhaust outlet (21) being blocked and second working position of described second exhaust outlet (22) being blocked.
3. centrifugal blower according to claim 2, it is characterized in that, described centrifugal blower comprises the first air channel and the second air channel that are disposed adjacent, and the air-out direction of first exhaust outlet (21) in described first air channel and first exhaust outlet (21) in described second air channel is separated.
4. centrifugal blower according to claim 3, is characterized in that, second exhaust outlet (22) in described first air channel converges mutually with the air-out direction of second exhaust outlet (22) in described second air channel.
5. centrifugal blower according to claim 3, is characterized in that, described first air channel and described second air channel are the groove be arranged on described drain pan (10),
The direction of distance along described second side to described first side corresponded between the wall section of described first exhaust outlet (21) and the wall section corresponding to described first exhaust outlet (21) of the sidewall near first described groove of second described groove of the sidewall near second described groove of first described groove becomes large gradually;
The direction along described second side to described first side between the wall section corresponding to described second exhaust outlet (22) corresponding to the sidewall away from first described groove of described second exhaust outlet (22) wall section and second described groove of the sidewall away from second described groove of first described groove becomes large gradually.
6. centrifugal blower according to claim 5, is characterized in that,
The wall section corresponding to described first exhaust outlet (21) corresponding to the wall section of described first exhaust outlet (21) and the sidewall near first described groove of second described groove of the sidewall near second described groove of first described groove is arc surface;
The wall section corresponding to described second exhaust outlet (22) corresponding to the sidewall away from first described groove of described second exhaust outlet (22) wall section and second described groove of the sidewall away from second described groove of first described groove is plane.
7. centrifugal blower according to claim 3, is characterized in that, described first air channel and described second air channel are the groove be arranged on described drain pan (10),
The direction of distance along described first side to described second side corresponded between the wall section of described second exhaust outlet (22) and the wall section corresponding to described second exhaust outlet (22) of the sidewall near first described groove of second described groove of the sidewall near second described groove of first described groove diminishes gradually;
The direction of distance along described first side to described second side corresponded between the described wall section of the second exhaust outlet (22) and the wall section corresponding to described second exhaust outlet (22) of the sidewall away from first described groove of second described groove of the sidewall away from second described groove of first described groove diminishes gradually.
8. centrifugal blower according to claim 7, is characterized in that,
The wall section corresponding to described second exhaust outlet (22) corresponding to the wall section of described second exhaust outlet (22) and the sidewall near first described groove of second described groove of the sidewall near second described groove of first described groove is plane;
The wall section corresponding to described second exhaust outlet (22) corresponding to the described wall section of the second exhaust outlet (22) and the sidewall away from first described groove of second described groove of the sidewall away from second described groove of first described groove is arc surface.
9. centrifugal blower according to claim 2, it is characterized in that, described motion baffle plate (40) is circular arc block, the thickness of described circular arc block increases from the first end of described circular arc block gradually to the second end, and the augment direction of the thickness of described circular arc block is consistent with the direction that the outboard end relative inner end of the blade of the described centrifugal impeller (30) in the described air channel (20) at its place departs from.
10. centrifugal blower according to any one of claim 1 to 9, it is characterized in that, described centrifugal impeller (30) is arranged on described air channel (20) central authorities, and the wall being positioned at the air channel (20) of the periphery of described centrifugal impeller (30) is circular arc.
11. centrifugal blowers according to any one of claim 2 to 9, it is characterized in that, described drain pan (10) has upper-end surface, lower end surface and the left surface be oppositely arranged and right flank, and described upper-end surface is described first side, and described lower end surface is described second side.
12. centrifugal blowers according to any one of claim 2 to 9, it is characterized in that, described drain pan (10) has upper-end surface, lower end surface and the left surface be oppositely arranged and right flank, and described left surface is described first side, and described right flank is described second side.
13. 1 kinds of air conditioners, comprise centrifugal blower, it is characterized in that, the centrifugal blower of described centrifugal blower according to any one of claim 1 to 12.
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| CN201420638810.5U CN204200691U (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373386A (en) * | 2014-10-29 | 2015-02-25 | 珠海格力电器股份有限公司 | Centrifugal fan and air conditioner with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104373386A (en) * | 2014-10-29 | 2015-02-25 | 珠海格力电器股份有限公司 | Centrifugal fan and air conditioner with same |
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