CN106523429B - The fan blade of circumferential outlet air and fan with it - Google Patents
The fan blade of circumferential outlet air and fan with it Download PDFInfo
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- CN106523429B CN106523429B CN201611102167.4A CN201611102167A CN106523429B CN 106523429 B CN106523429 B CN 106523429B CN 201611102167 A CN201611102167 A CN 201611102167A CN 106523429 B CN106523429 B CN 106523429B
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- blade
- impeller shaft
- partition
- outlet air
- radius
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/025—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal comprising axial flow and radial flow stages
-
- 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
- F04D29/02—Selection of particular materials
-
- 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
- F04D29/30—Vanes
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/40—Organic materials
- F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/40—Organic materials
- F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
- F05D2300/431—Rubber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to air-conditioning technique fields, more particularly to a kind of fan blade of circumferential outlet air, including impeller shaft and the first blade group and the second blade group that are installed on impeller shaft；First blade group includes multiple first blades, and the second blade group includes multiple second blades；And partition, partition are fixed on impeller shaft, the two sides of partition are opposite with the first blade group and the second blade group respectively, and partition is located at the axial air side of the first blade group and the second blade group.The fan blade of circumferential direction outlet air provided by the invention, by the way that partition is arranged, so that the air axially flowed is under the action of partition, along the surface flow of partition, the plane outlet air of divergence expression is presented, making fan blade two sides by the first blade group and the second blade group simultaneously can enter the wind, and can be truly realized 360 ° of airflow effects along the circumferential outlet air of fan blade.The present invention also provides a kind of fans.
Description
Technical field
The present invention relates to air-conditioning technique field, fan blade more particularly to a kind of circumferential outlet air and with its wind
Fan.
Background technique
Traditional electric fan blade design is typically all single side blowing, and fan passes through guarantee blowing range of shaking the head.General wind
Fanning the left and right panning angle of fan inside industry is 45 degree, and blowing area is relatively narrow, and the direction other than outlet air surface does not have wind, and because
Fan needs the system of shaking the head, and long-term operating will cause the failure of shaking the head of fan, shake the head abnormal sound the problems such as.
Summary of the invention
Based on this, it is necessary to be directed to the technical problems such as conventional fan air-out direction is single, blowing range is relatively narrow, provide one kind
It can be realized the fan blade circumferentially dried of 360 degree of outlet air, while additionally providing a kind of fan with the fan blade.
Above-mentioned purpose is realized by following implementation:
A kind of fan blade of circumferential direction outlet air, including impeller shaft and the first blade group being installed on impeller shaft and the second leaf
Piece group；First blade group includes multiple first blades, and multiple first blades are along the circumferentially distributed of impeller shaft；Second blade group packet
Multiple second blades are included, multiple second blades are along the circumferentially distributed of impeller shaft；
It further include partition, partition is fixed on impeller shaft；The two sides of partition respectively with the first blade group and the second leaf
Piece group is opposite, and partition is located at the axial air side of the first blade group and the second blade group.
The first blade and the second blade correspond in one of the embodiments, the outer rim of each first blade with it is right
The outer rim for the second blade answered passes through side guide vane and connects.
The first blade has the first leading edge and the first trailing edge in one of the embodiments, and the first up-front radius is less than
The radius of first trailing edge；
Second blade has the second leading edge and the second trailing edge, radius of the second up-front radius less than the second trailing edge.
The difference of the radius of the first trailing edge and the first up-front radius is the half of the first trailing edge in one of the embodiments,
0.1~0.3 times of diameter；
The difference of the radius of second trailing edge and the second up-front radius is 0.1~0.3 times of the radius of the second trailing edge.
Side guide vane is curved-surface structure in one of the embodiments,；The axial centre of each side guide vane and impeller shaft is horizontal
Section is intersected at arc segment, and multiple arc segments are connected to form border circle, and the radius of border circle is not less than the first trailing edge or second
The radius of trailing edge.
The center of circle of border circle is located on the axis of impeller shaft in one of the embodiments,.
Divider upright is in the axis of impeller shaft in one of the embodiments, the rotation center of the first blade group to every
The distance of plate is equal to the rotation center of the second blade group to the distance of partition.
Partition is circular slab in one of the embodiments, and border circle is overlapped with the edge of partition.
Projection and second of first blade group on the axial centre cross section of impeller shaft in one of the embodiments,
Projection of the blade group on the axial centre cross section of impeller shaft has angle.
The outer rim of the first blade or the angle of the corresponding central angle of the outer rim of the second blade are in one of the embodiments,
Blade angle；
Angle between the center line of first blade and the center line of corresponding second blade be blade angle 0.5~
1.5 again.
Size, the number of the first blade and the second blade are all the same in one of the embodiments, multiple first blades and
Multiple second blades are uniformly distributed along the circumferential direction of impeller shaft.
The fan blade of circumferential outlet air further includes first wheel and the second wheel hub in one of the embodiments, first wheel and
Second wheel hub is coaxially disposed with impeller shaft；
Multiple first blades are along the circumferentially fixed outer peripheral surface that first wheel is arranged in of first wheel, multiple second blades
Along the circumferentially fixed outer peripheral surface that second wheel hub is set of the second wheel hub.
A kind of fan, including motor, further include the fan blade of as above described in any item circumferential outlet air, the motor shaft of motor with
Impeller shaft connection, with the rotation of impeller shaft.
The fan blade of above-mentioned circumferential direction outlet air, impeller shaft rotation drive the first blade group and the rotation of the second blade group thereon,
Multiple first blades and multiple second blades are rotated by axis of the axis of impeller shaft, so as to turn air along impeller
The axial flowing of axis, and partition is set in the axial air side of the first blade group and the second blade group, the air of flowing is in partition
Barrier action under, along the surface flow of partition, the plane outlet air of divergence expression is presented, therefore can be realized circumferential outlet air, increase
The blowing area of fan blade is added, while fan blade two sides by the first blade group and the second blade group to enter the wind, and energy
Enough circumferential outlet air along fan blade, are truly realized 360 ° of airflow effects.
Since the fan blade of circumferential outlet air has above-mentioned technique effect, the fan of the fan blade comprising the circumferential direction outlet air also has phase
The technical effect answered.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the fan blade of circumferential outlet air provided in an embodiment of the present invention；
Fig. 2 is the front view one of the fan blade of circumferential outlet air provided in an embodiment of the present invention；
Fig. 3 is the front view two of the fan blade of circumferential outlet air provided in an embodiment of the present invention；
Fig. 4 is the top view of the fan blade of circumferential outlet air provided in an embodiment of the present invention；
Outlet air motion pattern when Fig. 5 is the fan blade work of circumferential outlet air provided in an embodiment of the present invention.
Wherein:
The first blade group of 100-；
The first blade of 110-；The first leading edge of 111-；The first trailing edge of 112-；
The second blade group of 200-；
The second blade of 210-；The second leading edge of 211-；The second trailing edge of 212-；
300- impeller shaft；
310- first wheel；The second wheel hub of 320-；
400- partition；
The side 500- guide vane；
510- border circle.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
Figure, fan blade to circumferential outlet air of the invention and the fan with it are further elaborated.It should be appreciated that this place is retouched
It states that specific examples are only used to explain the present invention, is not intended to limit the present invention.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
As shown in Figure 1, present embodiments provide a kind of fan blade of circumferential outlet air, including impeller shaft 300 and it is installed on leaf
Take turns the first blade group 100 and the second blade group 200 in shaft 300；First blade group 100 includes multiple first blades 110, more
A first blade 110 is along the circumferentially distributed of impeller shaft 300；Second blade group 200 includes multiple second blades 210, Duo Ge
Two blades 210 are along the circumferentially distributed of impeller shaft 300；
It further include partition 400, partition 400 is fixed on impeller shaft 300；The two sides of partition 400 respectively with the first leaf
Piece group 100 and the second blade group 200 are opposite, and partition 400 is located at the Axial-running Out of the first blade group 100 and the second blade group 200
Wind side.
Wherein, the shape of partition 400 can there are many, such as round, rectangular, ellipse etc..Partition 400 can be vertical
Directly in impeller shaft 300, the two sides of such partition 400 and 200 face of the first blade group 100 and the second blade group；Partition 400
Impeller shaft 300 can also be not orthogonal to, i.e., between partition 400 and the axis of impeller shaft 300 have angle, as long as guarantee every
The two sides of plate 400 and the first blade group 100 and the second blade group 200 are opposite.
Preferably, partition 400 is perpendicular to impeller shaft 300.In this way, the direction that partition 400 can be flowed perpendicular to air,
The air for sucking fan blade is blown out under the action of partition 400 along the surface of partition 400, is also achieved that along impeller shaft
300 circumferential outlet air, to realize the circumferential outlet air of fan blade.
The number of first blade 110 at least should be 2, the week of 2 or more the first blades 110 along impeller shaft 300
To distribution, of course, it is possible to be evenly distributed, or be unevenly distributed, it is preferable that multiple first blades 110 are along leaf
The circumferential direction of wheel shaft 300 is uniformly distributed, in this way, being conducive to the uniformity of outlet air.
First blade group 100, which can be, to be directly mounted on impeller shaft 300, can also be installed on impeller shaft indirectly
On 300, it is preferable that be coaxially arranged with first wheel 310 outside impeller shaft 300, multiple first blades 110 are along first wheel 310
The circumferentially fixed outer peripheral surface that first wheel 310 is set on, in this way, being conducive to the reliable installation of blade.Multiple first blades
110 can be mounted on impeller shaft 300 or first wheel 310 by the way of removably grafting, can also be using weldering
The mode connect is mounted on impeller shaft 300 or first wheel 310.
The number of second blade 210 also at least should be 2, and 2 or more the second blades 210 are along impeller shaft 300
It is circumferentially distributed, of course, it is possible to be evenly distributed, or be unevenly distributed, it is preferable that multiple second blade, 210 edges
The circumferential direction of impeller shaft 300 is uniformly distributed, in this way, being conducive to the uniformity of outlet air.
Second blade group 200 is also possible to be directly mounted on impeller shaft 300, or can be and be installed on impeller indirectly
In shaft 300, it is preferable that be coaxially arranged with the second wheel hub 320 outside impeller shaft 300, multiple second blades 210 are along the second wheel hub
On the 320 circumferentially fixed outer peripheral surface that the second wheel hub 320 is arranged in, in this way, being conducive to the reliable installation of blade.Multiple second leaves
Piece 210 can be mounted on impeller shaft 300 or the second wheel hub 320 by the way of removably grafting, can also be used
The mode of welding is mounted on impeller shaft 300 or the second wheel hub 320.
In addition, the distance of the first blade group 100 to partition 400 can be with one at a distance from the second blade group 200 to partition 400
Sample can also be different.Multiple first blades 110 of first blade group 100 and multiple second blades 210 of the second blade group 200
Leaf blade size can be the same or different, blade quantity can equally and also different or the first blade 110 with
When second blade 210 corresponds, first blade 110 and second blade 210, which can be, to be faced, and may not be just
Opposite.
Preferably, the first blade group 100 is consistent with the leaf blade size of the second blade group 200, and blade number is identical, that is,
Say that the first blade group 100 and the second blade group 200 are identical two groups of blades, can guarantee in this way from fan blade two sides into
Air quantity, intake velocity are consistent.In the present embodiment, the first blade 110 is 5, and 5 110 sizes of the first blade are identical, and along impeller
The circumferential direction of shaft 300 is uniformly distributed.Second blade 210 is 5, and 5 210 sizes of the second blade are identical, and along impeller shaft 300
Circumferential direction be uniformly distributed.Blade number is 5, so that the wind pressure and air quantity of fan blade are all bigger.
Further, the first blade group 100 and the second blade group 200 along the axial centre cross section of impeller shaft 300 at
Axisymmetrically it is arranged.
It is appreciated that the first blade group 100 and the second blade group 200 along the axial centre cross section of impeller shaft 300 at
Axisymmetrically it is arranged, i.e. projection of the first blade group 100 on the axial centre cross section of impeller shaft 300 and the second blade group
200 projection on the axial centre cross section of impeller shaft 300 can be overlapped, that is to say, that the first blade group 100 and second
Blade group 200 is identical two groups of blades, and the first blade 110 and the second blade 210 correspond, the first blade 110
The second corresponding blade 210 faces.Axial symmetry setting can guarantee the first blade group 100 and the when fan blade operating
The power and torque that two blade groups 200 generate impeller shaft 300 are equal in magnitude, contrary, are offset, and reduction rotation is played
The effect of additional force and torque additional suffered by impeller shaft 300 when turning.
The fan blade of the circumferential outlet air of the present embodiment, multiple first blades 110 and multiple second blades 210 are with impeller shaft
300 axis is axis rotation, flows air along the axial direction of impeller shaft 300, since the two sides of partition 400 are respectively with the
One blade group 100 and the second blade group 200 are opposite, that is to say, that partition 400 is in the first blade group 100 and the second blade group 200
Between, and partition 400 is located at the axial air side of the two, the air of flowing is under the barrier action of partition 400, along partition
The air-out effect of divergence expression is presented in 400 surface flow, so that fan blade can increase along the circumferential outlet air of impeller shaft 300
The blowing area of fan blade is added.
When fan blade operating, the first blade group 100 and the second blade group 200 can be realized the two-way air intake of fan blade, i.e., from
The two sides of fan blade air inlet through hollow shaft simultaneously, and then it is capable of increasing the intake of fan blade, and make air under the action of partition 400, edge
The circumferential outlet air of impeller shaft 300, in this way, the flowing of wind can not only be felt in the two sides of fan blade, in the circumferential direction of fan blade
Upper is even more the air-out effect with Wind Volume, 360 ° omni-directional.
As a preferred embodiment, the first blade 110 and the second blade 210 correspond, each first blade
110 outer rim passes through side guide vane 500 with the outer rim of corresponding second blade 210 and connects.Side guide vane 500 has guiding to outlet air
Effect, plays the role of avoiding wind field disorder, in fan blade operation process, blows out the wind circumferentially dissipated along side guide vane 500,
Compare the wind of diverging, can be circumferential by the biggish extrusion of wind by side guide vane 500, forms preferably circumferential air-out effect.
Referring to figs. 2 and 3, as a preferred embodiment, the first blade 110 has the first leading edge 111 and first
Trailing edge 112, the radius of the radius of the first leading edge 111 less than the first trailing edge 112；
Second blade 210 has the second leading edge 211 and the second trailing edge 212, and the radius of the second leading edge 211 is less than the second trailing edge
212 radius.
In this way, the first blade 110, the second blade 210 is made to form certain rear centrifuge blade moulding, meanwhile, side guide vane
500 are lower than side guide vane 500 close to the side of the first trailing edge 112 close to the side of the first leading edge 111, and similarly, side guide vane 500 is close
Second up-front side is lower than side guide vane 500 close to the side of the second trailing edge, so that side guide vane 500 has more preferably tiltedly outlet air
Guide effect, so that the circumferential outlet air of fan blade be better achieved.
Further, the difference of the radius of the first trailing edge 112 and the radius of the first leading edge 111 is the half of the first trailing edge 112
0.1~0.3 times of diameter；The difference of the radius of second tail 212 and the radius of the second leading edge 211 is the radius of the second trailing edge 212
0.1~0.3 times.
Referring to fig. 2, to be illustrated with the first blade 110 of the first blade group 100, R1 indicates the radius of the first leading edge 111 in figure,
The radius of R the first trailing edge 112 of expression, i.e. R > R1, further, 0.3*R >=R-R1 >=0.1*R.Similarly, the second blade group 200
The second blade 210 design referring to the first blade 110.
As a preferred embodiment, side guide vane 500 is curved-surface structure；Each side guide vane 500 and impeller shaft 300
Axial centre cross section intersect at arc segment, multiple arc segments are connected to form border circle 510, and the radius of border circle 510 is not
Less than the first trailing edge 112 or the radius of the second trailing edge 212.
Referring to fig. 4, dotted line represents the contour line of border circle 510 in figure, makes the radius of the border circle 510 not less than above-mentioned R
Value, in this way, side guide vane 500 is made to be not in recessed portion, the outer rim of the first blade 110 and the outer rim of the second blade 210 pass through
Side guide vane 500 can rounding off, to guarantee the globality of blower appearance.
Further, the center of circle of border circle 510 is located on the axis of impeller shaft 300, that is to say, that multiple side guide vanes
500 geometric center is overlapped with the geometric center of whole fan blade, is not in torsional angle, to guarantee low-power consumption and the gentle breeze of fan blade
Effect.
Still further, axis of the partition 400 perpendicular to impeller shaft 300, the rotation center of the first blade group 100 to every
The distance of plate 400 is equal to the rotation center of the second blade group 200 to the distance of partition 400.That is, 400 institute of partition at this time
Be equivalent to the axial centre cross section of impeller shaft 300 in plane so that from fan blade two sides into wind through same distance
Partition 400 is reached, and is blown out along 400 surface of partition perpendicular to impeller shaft 300 is circumferential, guarantees the consistency of two side air-outs, into
And improve comfort level.
Still further, partition 400 is circular slab, border circle 510 is overlapped with the edge of partition 400, so that fan blade
Overall appearance effect it is relatively good.
As a preferred embodiment, the first blade group 100 is on the axial centre cross section of impeller shaft 300
Projection has angle with projection of second blade group 200 on the axial centre cross section of impeller shaft 300.
In the present embodiment, the size of the first blade 110 and the second blade 210 is consistent, the number of the first blade 110
It being also consistent with the number of the second blade 210, the first blade 110 and the second blade 210 are one-to-one relationships, still,
First blade 110 and the second blade 210 do not face, between the two with angle in other words, the first blade 110
There is angle between center line and the center line of corresponding second blade 210.
In this way, fan blade is formed after the first blade 110 is connect with the second blade 210 by the side guide vane 500 of curved-surface structure
A kind of torsional angle of similar centrifugation blade, is directly circumferentially discharged conducive to by the wind axially sucked, achievees the purpose that 360 ° of outlet air.
Preferably, which is 0.5~1.5 times of blade angle, wherein blade angle be the first blade 110 outer rim or
The angle of the corresponding central angle of outer rim of second blade 210.Referring to Fig. 3, blade angle b, the center line of the first blade 110 with
Angle between the center line of corresponding second blade 210 is a, a=(0.5~1.5) * b, that is to say, that the first blade 110 with
Corresponding second blade 210 is staggered 0.5~1.5 blade angle, i.e. the first blade 110 and corresponding second blade 210 every
Projection on plate 400 partially overlaps or is not overlapped completely.
Specifically, angle a is too small, i.e. the first blade 110 and the windup-degree of corresponding second blade 210 are too small, unfavorable
In the integral manufacturing of fan blade；Angle a is too big, i.e. the first blade 110 and the windup-degree of corresponding second blade 210 are too big, example
Such as more than 1.5 blade angles, then the interval of the first blade 110 and corresponding second blade 210 in the same plane across
The distance of one blade, the twist and warping angle that will lead to side guide vane 500 is too big, and leaf road is too long, and idle work increases, the efficiency drop of blade
It is low.
The fan blade of the circumferential outlet air of the present embodiment, air-out effect are as shown in Figure 5.Wherein, ABS can be used in the material of fan blade
(acrylonitrile-butadiene-styrene copolymer, a kind of plastic raw materials) or AS (acrylonitritrile-styrene resin, a kind of resinogen
Material) etc., by the first blade group 100, the second blade group 200, side guide vane 500 and 400 integrated injection molding of partition or it can also surpass
Sound wave welding fabrication.
The embodiment of the invention also provides a kind of fans, including motor, further include the circumferential outlet air of any embodiment as above
Fan blade, the motor shaft of motor connect with impeller shaft 300, with the rotation of impeller shaft 300.To which the fan is able to achieve greatly
360 ° of outlet air of air quantity, wind sweeping area greatly increase, and do not need again that system of shaking the head is arranged, avoid the system of shaking the head of conventional fan
It shakes the head caused by long-term operating Problem of Failure, improves fan reliability of operation.
In addition, the fan blade of the circumferential outlet air of the present embodiment can not only be applied on fan, air conditioner etc. can also be applied to
In wind system.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of fan blade of circumferential direction outlet air, including impeller shaft (300) and the first leaf being installed on the impeller shaft (300)
Piece group (100) and the second blade group (200)；First blade group (100) includes multiple first blades (110), multiple described
First blade (110) is circumferentially distributed along the impeller shaft (300)；Second blade group (200) includes multiple second leaves
Piece (210), multiple second blades (210) are along the circumferentially distributed of the impeller shaft (300)；And
First wheel (310) and the second wheel hub (320), the first wheel (310) and second wheel hub (320) with it is described
Impeller shaft (300) coaxial arrangement；Circumferentially fixed setting of multiple first blades (110) along the first wheel (310)
On the outer peripheral surface of the first wheel (310), circumferential direction of multiple second blades (210) along second wheel hub (320)
It is fixed on the outer peripheral surface of second wheel hub；
It is characterized in that, further including partition (400), the partition (400) is fixed on the impeller shaft (300)；It is described every
The two sides of plate (400) respectively with first blade group (100) and second blade group (200) relatively, and the partition
(400) it is located at the axial air side of first blade group (100) and second blade group (200)；First blade
(110) it is corresponded with second blade (210), the outer rim and corresponding described second of each first blade (110)
The outer rim of blade (210) passes through side guide vane (500) connection；First blade (110) has the first leading edge (111) and first
Trailing edge (112), the radius of first leading edge (111) are less than the radius of first trailing edge (112)；
Second blade (210) has the second leading edge (211) and the second trailing edge (212), the radius of second leading edge (211)
Less than the radius of second trailing edge (212).
2. it is according to claim 1 circumferential direction outlet air fan blade, which is characterized in that the radius of first trailing edge (112) with
The difference of the radius of first leading edge (111) is 0.1~0.3 times of the radius of first trailing edge (112)；
The difference of the radius of second trailing edge (212) and the radius of second leading edge (211) is second trailing edge (212)
0.1~0.3 times of radius.
3. the fan blade of circumferential direction outlet air according to claim 1 or 2, which is characterized in that the side guide vane (500) is curved surface knot
Structure；Each side guide vane (500) is intersected with the axial centre cross section of the impeller shaft (300) at arc segment, multiple
The arc segment is connected to form border circle (510), the radius of the border circle (510) not less than first trailing edge (112) or
The radius of second trailing edge (212).
4. the fan blade of circumferential direction outlet air according to claim 3, which is characterized in that the center of circle of the border circle (510) is located at
On the axis of the impeller shaft (300).
5. the fan blade of circumferential direction outlet air according to claim 4, which is characterized in that the partition (400) is perpendicular to the leaf
The axis of shaft (300) is taken turns, the distance of rotation center to the partition (400) of first blade group (100) is equal to described
Distance of the rotation center of second blade group (200) to the partition (400).
6. the fan blade of circumferential direction outlet air according to claim 5, which is characterized in that the partition (400) is circular slab, described
Border circle (510) is overlapped with the edge of the partition (400).
7. the fan blade of circumferential direction outlet air according to claim 1, which is characterized in that first blade group (100) is described
Projection and second blade group (200) on the axial centre cross section of impeller shaft (300) is in the impeller shaft (300)
Axial centre cross section on projection have angle.
8. it is according to claim 7 circumferential direction outlet air fan blade, which is characterized in that the outer rim of first blade (110) or
The angle of the corresponding central angle of outer rim of second blade (210) is blade angle；
Angle between the center line of first blade (110) and the center line of corresponding second blade (210) is institute
0.5~1.5 times for stating blade angle.
9. the fan blade of circumferential direction outlet air according to claim 1, which is characterized in that first blade (110) and described the
Size, the number of two blades (210) are all the same, multiple first blades (110) and the equal edge of multiple second blades (220)
The circumferential direction of the impeller shaft (300) is uniformly distributed.
10. a kind of fan, including motor, which is characterized in that further include the wind of the described in any item circumferential outlet air of claim 1-9
Leaf, the motor shaft of the motor are connect with the impeller shaft (300), to drive the impeller shaft (300) to rotate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102167.4A CN106523429B (en) | 2016-12-05 | 2016-12-05 | The fan blade of circumferential outlet air and fan with it |
| PCT/CN2017/093670 WO2018103342A1 (en) | 2016-12-05 | 2017-07-20 | Fan blade with circumferential air output and fan having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102167.4A CN106523429B (en) | 2016-12-05 | 2016-12-05 | The fan blade of circumferential outlet air and fan with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523429A CN106523429A (en) | 2017-03-22 |
| CN106523429B true CN106523429B (en) | 2019-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611102167.4A Active CN106523429B (en) | 2016-12-05 | 2016-12-05 | The fan blade of circumferential outlet air and fan with it |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106523429B (en) |
| WO (1) | WO2018103342A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523429B (en) * | 2016-12-05 | 2019-06-25 | 珠海格力电器股份有限公司 | The fan blade of circumferential outlet air and fan with it |
| CN107165862B (en) * | 2017-06-23 | 2019-03-29 | 广东美的制冷设备有限公司 | Wind wheel and refrigeration equipment with it |
| CN107198808A (en) * | 2017-07-10 | 2017-09-26 | 杭州超德斯实业有限公司 | A kind of oxygen mask |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8684676B1 (en) * | 2009-11-24 | 2014-04-01 | William E. Kirkpatrick | Centrifugal fan |
| CN204371767U (en) * | 2014-12-02 | 2015-06-03 | 深圳市艾迪健康发展有限公司 | A kind of radial fan of Wind Volume |
| CN205639065U (en) * | 2016-05-31 | 2016-10-12 | 冯洁莹 | Two -sided impeller |
| CN206268131U (en) * | 2016-12-05 | 2017-06-20 | 珠海格力电器股份有限公司 | The fan blade of circumferential air-out and the fan with it |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514052B2 (en) * | 2001-03-30 | 2003-02-04 | Emerson Electric Co. | Two sided radial fan for motor cooling |
| DE202012010664U1 (en) * | 2012-11-05 | 2012-11-23 | Asia Vital Components Co., Ltd. | Paddle wheel of a centrifugal fan |
| CN203308774U (en) * | 2013-06-06 | 2013-11-27 | 江苏金通灵流体机械科技股份有限公司 | Double-air-inflow three-dimensional flow impeller |
| CN203717388U (en) * | 2013-11-22 | 2014-07-16 | 肖冬 | Double-side fan |
| CN104088802B (en) * | 2014-05-26 | 2017-01-04 | 浙江理工大学 | A kind of 360 ° of fans of optimizing pneumatic performance |
| CN205089679U (en) * | 2015-10-23 | 2016-03-16 | 吴艮华 | Turbine fan blade rotor that turbine air compressor machine was used |
| CN106523429B (en) * | 2016-12-05 | 2019-06-25 | 珠海格力电器股份有限公司 | The fan blade of circumferential outlet air and fan with it |
-
2016
- 2016-12-05 CN CN201611102167.4A patent/CN106523429B/en active Active
-
2017
- 2017-07-20 WO PCT/CN2017/093670 patent/WO2018103342A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8684676B1 (en) * | 2009-11-24 | 2014-04-01 | William E. Kirkpatrick | Centrifugal fan |
| CN204371767U (en) * | 2014-12-02 | 2015-06-03 | 深圳市艾迪健康发展有限公司 | A kind of radial fan of Wind Volume |
| CN205639065U (en) * | 2016-05-31 | 2016-10-12 | 冯洁莹 | Two -sided impeller |
| CN206268131U (en) * | 2016-12-05 | 2017-06-20 | 珠海格力电器股份有限公司 | The fan blade of circumferential air-out and the fan with it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106523429A (en) | 2017-03-22 |
| WO2018103342A1 (en) | 2018-06-14 |
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