CN207935122U - Air-supply arrangement - Google Patents
Air-supply arrangement Download PDFInfo
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- CN207935122U CN207935122U CN201820097341.9U CN201820097341U CN207935122U CN 207935122 U CN207935122 U CN 207935122U CN 201820097341 U CN201820097341 U CN 201820097341U CN 207935122 U CN207935122 U CN 207935122U
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- end surface
- air
- radial outside
- supply arrangement
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- 238000005247 gettering Methods 0.000 description 2
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Abstract
The utility model provides a kind of air-supply arrangement comprising：The impeller rotated centered on the central axis that can extend down above；Drive the motor of impeller；And accommodate the casing of impeller and motor.Impeller has：The multiple blade parts arranged in the circumferential；And the outer peripheral edge portion of radial outside is provided with the flange parts of multiple blade parts.Casing has the first shell part, first shell part opposite with positioned at the blade part end face of axial side of blade part across gap.First shell part has the air entry penetrated through in an axial direction.Flange part end face positioned at the axial side of flange part includes：Positioned at the first flange end surface of the radially inner side of flange part end face；And positioned at the second flange end surface than the first flange end surface at the position of radial outside.In section view from circumferentially, the second flange end surface is tilted relative to the plane with central axis upright to axial side towards radial outside.
Description
Technical field
The utility model is related to air-supply arrangements.
Background technology
Conventionally, there is known making multiple blade parts be rotated centered on axial direction using motor, to what is blown to radial outside
Air-supply arrangement.Air-supply arrangement will be from being for example flowed into positioned at axis air entry to the upper side between blade part adjacent in the circumferential
Air is sent out by the rotation of blade part to radial outside, is thus blown to outside.Such air-supply arrangement is for example for wanting
Seek the cooling fan etc. of the electronic equipment of slimming.
In addition, in No. 3812467 bulletin of Japanese patent gazette, to the turbine with the impeller for being provided with multiple blades
Fan is illustrated.In the turbofan, impeller is set to rotate by drive motor, the air of impeller internal is squeezed to outside
Go out.Also, it is thicker than central portion by being set as the thickness for being set to the outer peripheral edge portion of the mainboard on the top of impeller, inhibit in periphery
Edge generates turbulent flow, realizes the raising of low noise and pressure fan performance.
Utility model content
But from air entry be flowed into blade part between air also given to axial downside by the rotation of blade part
Go out.The air sent out to axial downside is more, and the air supply efficiency of air-supply arrangement more declines.About this problem, in Japan
What is not all referred in No. 3812467 bulletin of patent gazette.
The utility model in view of above-mentioned condition is, and it is an object of the present invention to provide a kind of air-supply arrangement that can improve air supply efficiency.
To achieve the goals above, the structure of the illustrative air-supply arrangement of the utility model includes：Impeller, can be with
It is rotated centered on the central axis extended up and down；Motor drives the impeller；And casing, accommodate the impeller with
And the motor, the impeller have：The multiple blade parts arranged in the circumferential；And flange part, in the outer of radial outside
Peripheral part is provided with multiple blade parts, and the casing has the first shell part, first shell part across gap and with
Blade part end face positioned at the axial side of the blade part is opposite, and first shell part has the air-breathing penetrated through in an axial direction
Mouthful, the flange part end face positioned at the axial side of the flange part includes：First flange end surface is located at the flange part
The radially inner side of end face；And the second flange end surface, it is located at the position that radial outside is leaned on than the first flange end surface
Place is set, in the section view from circumferentially, the second flange end surface hangs down towards radial outside relative to the central axis
Straight plane is tilted to axial side.
Illustrative air-supply arrangement according to the present utility model, can improve air supply efficiency.
With reference to attached drawing and by below to the detailed description of preferred embodiment, the utility model above-mentioned and other
Element, feature, step, features and advantages will become apparent.
Description of the drawings
Fig. 1 is the stereogram of an example for showing air-supply arrangement.
Fig. 2 is the sectional view for the configuration example for showing air-supply arrangement.
Fig. 3 is the vertical view of an example for showing impeller.
Fig. 4 is the sectional view of an example for showing the air-supply arrangement from circumferentially.
Fig. 5 A are another vertical views for showing impeller.
Fig. 5 B are another sectional views for showing the air-supply arrangement from circumferentially.
Fig. 6 is another sectional view for showing blade part.
Fig. 7 A are the figures of the structure of the rear surface for the blade part for showing side opposite to the direction of rotation.
Fig. 7 B are the sectional views of the blade part from the direction that blade part extends.
Fig. 8 A are to show to be set to the noise generated near the blade part of rear surface in first surface and the second curved surface
The figure of distribution.
Fig. 8 B are to show not being set to the noise generated near the blade part of rear surface in first surface and the second curved surface
Distribution figure.
Fig. 9 is the sectional view for the configuration example for showing flange part.
Figure 10 A are the sectional views of the first variation for the structure for showing air-supply arrangement.
Figure 10 B are the sectional views for another structure for showing first variation.
Figure 11 A are the sectional views of the second variation of the structure for showing air-supply arrangement.
Figure 11 B are the sectional views for another structure for showing the second variation.
Figure 12 A are the perspective elevations of an example for the portable information apparatus for showing to be installed with air-supply arrangement.
Figure 12 B are the stereograms of the configuration example for the air-supply arrangement for showing to be equipped with heat pipe.
Specific implementation mode
Hereinafter, being illustrated to the illustrative embodiment of the utility model with reference to attached drawing.
In addition, in the present specification, in air-supply arrangement 100, the direction parallel with central axis CA is referred to as " axial direction ".
Also, in the axial direction, it will be set as axial side from aftermentioned supporting board 402 towards the direction of aftermentioned air-breathing plate portion 401, claimed
Make " axial upside ".In the axial direction, it will be set as the axial other side from air-breathing plate portion 401 towards the direction of supporting board 402, referred to as
" axial downside ".
Moreover, in each inscape, axis end to the upper side is referred to as " upper end ", the end of axial downside is claimed
Make " lower end ".Also, it will be set as being located at the end face of axial side positioned at axis end face to the upper side, it referred to as " upper surface ", will
It is set as being located at the other end of the axial other side positioned at the end face of axial downside, referred to as " lower face ".
Also, the direction vertical with central axis CA is referred to as " radial direction ".It radially, will be towards the side of central axis CA
To " radially inner side " is referred to as, the direction that will be far from central axis CA is referred to as " radial outside ".In each inscape, it will be located at
The side of radially inner side is referred to as " medial surface ", will be referred to as " lateral surface " positioned at the side of radial outside.Also, by radially inner side
End is referred to as " inner end ", and the end of radial outside is referred to as " outer end ".More specifically, from end on observation when, it is radial
" inner end " is Chong Die with " medial surface ", and radial " outer end " is Chong Die with " lateral surface ".Also, it will be leaned on than radial " outer end "
Radially inner side and it is referred to as " outer peripheral edge portion " positioned at the part of radial " outer end " nearby.
Also, the circumferential direction centered on central axis CA is referred to as " circumferential direction ".Circumferential side be with aftermentioned impeller 200 with
And the identical directions direction of rotation Dro of blade part 1, the circumferential other side are that the side opposite with direction of rotation Dro is identical
Direction.Also, in each inscape, by the side of the side opposite with direction of rotation Dro in circumferential direction be referred to as " after
The side of the direction of rotation sides Dro in circumferential direction is referred to as " leading edge face " by edge face ".
In addition, the position when address of direction described above, face and structural portion etc. not indicates to be assembled in physical device
Set relationship and direction etc..
<1. embodiment>
<The outline structure of 1-1. air-supply arrangements>
Fig. 1 is the stereogram of an example for showing air-supply arrangement 100.Fig. 2 is the section view for the configuration example for showing air-supply arrangement 100
Figure.In addition, Fig. 2 shows the air-supply arrangements 100 for utilizing the face cutting comprising central axis CA in Fig. 1 along single dotted broken line A1-A1
Section.
Air-supply arrangement 100 includes impeller 200, motor 300 and casing 400.
Impeller 200 is provided with the impeller of multiple blade parts 1, is installed on motor 300.Impeller 200 can be with motor 300
Axis 301 is rotated centered on the central axis CA vertically extended together.From central axis CA to the radial direction of blade part 1
Shortest distance Lr radially until the outer end (that is, top) in outside is bigger than the axial length L a of air-supply arrangement 100, preferably
It is five times or more of axial length L a.So, air-supply arrangement 100 can be thinned.In addition, the knot about impeller 200
Structure illustrates later.
Motor 300 drives impeller 200 by so that axis 301 is rotated centered on central axis CA.
Casing 400 accommodates impeller 200 and motor 300.Casing 400 have air-breathing plate portion 401, supporting board 402 and
Side of sidewall portion 403.
Air-breathing plate portion 401 is set to than multiple blade parts 1 at axis position to the upper side, and across gap and with positioned at leaf
The axis blade part upper surface 12 to the upper side in piece portion 1 is opposite.Air-breathing plate portion 401 has the air entry 401a penetrated through in an axial direction.
Supporting board 402 is set to than multiple blade parts 1 at the position of axial downside, and across gap and with positioned at leaf
The blade part lower face 11 of the axial downside in piece portion 1 is opposite, and supports motor 300.More specifically, in supporting board 402
Upper surface is fixed with motor 300.The upper surface of supporting board 402 is opposite with the lower surface of air-breathing plate portion 401 in the axial direction.
Side of sidewall portion 403 is set between the lower surface of air-breathing plate portion 401 and the upper surface of supporting board 402, and and air-breathing
Plate portion 401 and supporting board 402 have been formed together the inner space for accommodating impeller 200 and motor 300.In side of sidewall portion 403
It is provided with the air outlet 403a towards radial opening.The inner space receiving impeller 200 and motor 300 of casing 400, and via
Air entry 401a and air outlet 403a is connected to the external of casing 400.
Also, air-breathing plate portion 401, supporting board 402 and side of sidewall portion 403 are not particularly limited, e.g. by made of metal
At.As an example, air-breathing plate portion 401 and supporting board 402 be by stainless steel products at, side of sidewall portion 403 is by copper
At.Also, side of sidewall portion 403 is formed by forging, casting or punch process, and with air-breathing plate portion 401 and supporting board
402 insert-molding or are externally embedded to molding together.Also, the precision of the shape in order to ensure casing 400 after molding, after formation
Carry out machining.
Also, side of sidewall portion 403 is directly encountered by the wind that the rotation of impeller 200 generates.It is therefore preferable that side of sidewall portion 403
Thermal conductivity it is higher, such as preferably 100W/mK or more.So, even if the air for comparing high temperature is flowed into air-supply dress
It sets in 100, the air that can also utilize side of sidewall portion 403 effectively to be blowed to radial outside to the rotation by impeller 200
It radiates.The effect is particularly effective in the case where air-supply arrangement 100 is used for air-cooled fan.
<The structure of 1-2. impellers>
Next, being illustrated to the structure of impeller 200.Fig. 3 is the vertical view of an example for showing impeller 200.Fig. 4 is to show
Go out the sectional view of an example of the air-supply arrangement 100 from circumferentially.In addition, the single-point along Fig. 1 of Fig. 4 and air-supply arrangement 100 are drawn
The section of line A1-A1 and the section of the single dotted broken line A2-A2 along Fig. 3 of impeller 200 correspond to.
Impeller 200 has cap 21, canister portion 22, flange part 23 and multiple blade parts 1.Also, cap 21, canister portion 22 with
And flange part 23 constitutes cup portion 2.That is, impeller 200 has cup portion 2.Cup portion 2 is on the axis of inner containment motor 300 is to the upper side
In other words end is installed on the upper end of motor 300.
Multiple blade parts 1 arrange in the circumferential.For the noise generated when blade part 1 being inhibited to stir air, blade part 1
Quantity is preferably prime number.Also, the quantity of blade part 1 be preferably for example set as 30 it is a piece of more than.Interval root between blade part 1
Narrow according to the quantity of blade part 1, therefore static pressure between blade part 1 increases, the air between blade part 1 more at a gallop by
It is sent out to radial outside.The air supply efficiency of air-supply arrangement 100 is improved as a result,.In addition, structure about blade part 1 later into
Row explanation.
Cap 21 is connect with axis 301, and covers the upper surface of motor 300.Canister portion 22 is from the outer of the radial outside of cap 21
End starts at least to extend to axial downside.Cap 21 and canister portion 22 constitute the axis upper end to the upper side for accommodating motor 300
The inner space in portion.Also, the lateral surface of canister portion 22 has flexure plane 221.In section view from circumferentially, 221 court of flexure plane
It is recessed to axial upside and radial outside, and to the side opposite with the direction of 221 directions of flexure plane.Flexure plane 221
The center of curvature be located at than flexure plane 221 lean on 221 directions of flexure plane direction side.Thus, along flexure plane 221 to radial outside
It flows to the smooth air of flowing, and reaches flange part 23.Flange part 23 is from the outer end of the radial outside of canister portion 22 to radial direction
Outside extends.The outer peripheral edge portion 230 of the radial outside of flange part 23 is provided with multiple blade parts 1.In addition, about flange part 23
Structure illustrate later.
When impeller 200 rotates, the air in the inner space of casing 400 is flowed by air entry 401a along flexure plane
221 and the upper table of flange part 23 flowed towards radial outside, and be flowed between multiple blade parts 1.The air passes through around circumferential direction
Multiple blade parts 1 of rotation flow as wind and to the radial outside of impeller 200, and by air outlet 403a by casing 400
External send out.
In addition, being not limited to the illustration of Fig. 3 and Fig. 4, impeller 200 can also also have cricoid ring portion 25.Fig. 5 A
It is another vertical view for showing impeller 200.Fig. 5 B are another section views for showing the air-supply arrangement 100 from circumferentially
Figure.In addition, Fig. 5 B and the section of the single dotted broken line A1-A1 along Fig. 1 of air-supply arrangement 100 and the list along Fig. 5 A of impeller 200
The section of chain-dotted line A3-A3 corresponds to.
In Fig. 5 A and Fig. 5 B, ring portion 25 connects multiple blade parts 1 on the upside of the axial direction of blade part 1.But it is and unlimited
Due to these illustrations, ring portion 25 can also connect multiple blade parts 1 on the downside of the axial direction of blade part 1.That is, as long as ring portion 25 is arranged
At least side in the axial upside of blade part 1 and axial downside, and connect multiple blade parts 1 in at least side and be
It can.By connecting multiple blade parts 1 by cricoid ring portion 25, the strong of each blade part 1 for being set to impeller 200 can be improved
Degree.Further, it is possible to be inhibited by being set to the cricoid ring portion 25 than blade part 1 at axis position to the upper side or prevented temporarily
Countercurrently from the air that air entry 401a is sucked to air entry 401a.Also, such as supporting board 402 is provided with other air-breathings
In the case of mouth (not shown), as long as cricoid ring portion 25 is arranged at the position on the downside of axial direction than blade part 1, then it can lead to
It crosses to be set to and inhibits than cricoid ring portion 25 of the blade part 1 at the position of axial downside or prevent temporarily from other air entries
The air of sucking to the air entry adverse current.
Also, ring portion 25 has flexure plane 25a.In section view from circumferentially, flexure plane 25a have to axial upside and
Radially inner side curved shape outstanding.So, it is flowed along the flexure plane 25a of ring portion 25 using the air of air entry 401a suckings
It is dynamic.Thus, the flowing of air is not easy to remove from flexure plane 25a, therefore improves gettering efficiency.
<The structure of 1-3. blade parts>
Next, being illustrated to the structure of blade part 1 referring again to Fig. 3 and Fig. 4.As shown in Figure 3 and 4, respectively
A blade part 1 at least extends to radial outside from the outer peripheral edge portion 230 of flange part 23.Therefore, with for example multiple blade parts 1 from convex
The case where Inner peripheral portions of edge 23 extend is compared, and can arrange more blade parts 1 in the circumferential.
From end on observation when, the inner end of the radially inner side of blade part 1 is Chong Die with air entry 401a.Therefore, 1 energy of blade part
It enough stirs from the air that air entry 401a is sucked and causes wind.Also, it is located at than inhaling with the inner end of the radially inner side of blade part 1
The case where gas port 401a is at the position of radial outside is compared, and the area that blade part 1 stirs air becomes larger, therefore 1 energy of blade part
Enough cause more wind.Thus, it is possible to the gettering efficiency in air entry 401a be improved, so as to further increase air-supply arrangement
100 air quantity.
Also, the inner end of the radially inner side of blade part 1 flange part 23 outer peripheral edge portion 230 from flange part 23 to axial direction
Upside protrudes.From end on observation when, the inner end of blade part 1 protrudes at outer peripheral edge portion 230, thus with such as inner end position
It is compared in the case where central portion of impeller 200, the quantity of blade part 1 that can be circumferentially arranged can be increased.Thus, it is easy to increase
The air quantity of air-supply arrangement 100.
In addition, be not limited to the illustration of Fig. 4, as shown in fig. 6, when from circumferential, the radially inner side of blade part 1 it is interior
End can also at the outer peripheral edge portion 230 of flange part 23 from flange part 23 also to prominent on the downside of axial direction.So, blade part
1 area for stirring air becomes much larger, and can cause more wind.Moreover, being also equipped with other air entries in supporting board 402
In the case of (not shown), due to can also efficiently suck air from the air entry of supporting board 402, it is easy to increase and send
The air quantity of wind apparatus 100.
As shown in figure 3, from end on observation when, each blade part 1 is circumferentially bent, more specifically, in the circumferential to
The side opposite with direction of rotation Dro curved shape outstanding.As shown in Figure 3 and 4, from end on observation when, from positioned at convex
The length Lb along blade part 1 until the lateral surface 23a to the outer end of the radial outside of blade part 1 of the radial outside of edge 23
More than the axial length L ho than lateral surface 23a by the blade part 1 of radial outside.It so, can be by the blade of impeller 200
Portion 1 is further thinned, therefore can aid in the miniaturization of air-supply arrangement 100.
Also, it is more than than lateral surface 23a by radial by the axial length L ho of the blade part 1 of radial outside than lateral surface 23a
The axial length L hi of the blade part 1 of inside.So, blade part 1 is stirred the area of air and is become much larger, therefore blade part 1
It can cause more wind.Thus, it is possible to increase the air output of air-supply arrangement 100.
Each blade part 1 is made of resin.Also, in the present embodiment, all blade parts 1 are and flange part 23
A part for identical component, but it is not limited to the illustration.Can also be part or all of blade part 1 it is by resin system
At, and be the component different from flange part 23.That is, can also be a part of blade part 1 being made of resin, and it is
A part for component identical with flange part 23.Alternatively, can also be all blade parts 1 from flange part 23 being different components.
However, it is preferred to which at least one of multiple blade parts 1 are made of resin, and it is the one of component identical with flange part 23
Part.So, the case where being the component seperated with flange part 23 compared to all blade parts 1, manufacturing process's number can be cut down,
Therefore it can shorten the time (such as productive temp) needed for manufacture, to improve manufacture efficiency.
As shown in figure 4, each blade part 1 has：The blade part lower face 11 opposite with supporting board 402；And with suction
The opposite blade part upper surface 12 of gas plate portion 401.Also, each blade part 1 also has：In circumferential direction with impeller 200
The rear surface 14a of side opposite direction of rotation Dro；And the leading edge of the direction of rotation sides Dro of the impeller 200 in circumferential direction
Face 14b.When impeller 200 rotates, due to the leading edge face 14b forces airs of blade part 1, leading edge face 14b is applied in positive pressure,
Rear surface 14a is applied in negative pressure.Also, from end on observation when, the rear surface 14a and leading edge face 14b of each blade part 1 are to week
The upward curving opposite with direction of rotation Dro.
<1-3-1. the structure of rear surface>
Here, being illustrated to the structure of rear surface 14a.Fig. 7 A are the leaves for showing the side opposite with direction of rotation Dro
The figure of the structure of the rear surface 14a in piece portion 1.Fig. 7 B are the sectional views of the blade part 1 from the direction that blade part 1 extends.Such as
Shown in Fig. 7 A and Fig. 7 B, rear surface 14a includes the back side 141, first surface 142 and the second curved surface 143.From end on observation
In vertical view, the back side 141, first surface 142 and the second curved surface 143 are one opposite with direction of rotation Dro in circumferential direction
Side curved shape outstanding.
From the section view from the direction that blade part 1 extends, 141 linear extension of the back side, and it is parallel with axial direction.
From the section view from the direction that blade part 1 extends, first surface 142 has in circumferential direction and direction of rotation
Opposite Dro side and axial upside curved shape outstanding, and with the axial direction of the upper surface of blade part 1 12 and the back side 141
The upper end of upside connects.More specifically, from the section view from the direction that blade part 1 extends, first surface 142 is in axis
The side opposite with direction of rotation Dro curved shape outstanding on upside and circumferential direction.The axial upside of first surface 142
Upper end and blade part upper surface 12 circumferential direction on the side opposite with direction of rotation Dro end connection.Also, first
The lower end of the axial downside of curved surface 142 is connect with the axis at the back side 141 upper end to the upper side.
Also, it is preferred that first surface 142 is connected smoothly with blade part upper surface 12 and the back side 141.More specifically,
It is preferred that from the section view from the direction that blade part 1 extends, the tangential direction and blade on end in the axial direction of first surface 142
Tangential direction on the end of the side opposite with direction of rotation Dro of portion upper surface 12 in the circumferential is parallel.Also, it is preferred that from
In the section view for the direction observation that blade part 1 extends, tangential direction of the first surface 142 in lower axial end portion and the back side 141 are flat
Row.So, it can inhibit or prevent the flowing side for the air being flowed into from blade part upper surface 12 on first surface 142
To generation change dramatically.Further, it is possible to inhibit or prevent the flowing for the air being flowed into from first surface 142 on the back side 141
Change dramatically occurs for direction.Thus, it is possible to contribute to the noise for inhibiting to generate because first surface 142 are arranged in rear surface 14a.
From the section view from the direction that blade part 1 extends, the second curved surface 143 has in circumferential direction and direction of rotation
Opposite Dro side and axial downside curved shape outstanding, and with the axial direction of the lower face of blade part 1 11 and the back side 141
The lower end of downside is connected.More specifically, from the section view from the direction that blade part 1 extends, the second curved surface 143 is in axis
The side opposite with direction of rotation Dro curved shape outstanding on downside and circumferential direction.The axial downside of second curved surface 143
Lower end and blade part lower face 11 circumferential direction on the side opposite with direction of rotation Dro end connection.Also, second
The axis upper end to the upper side of curved surface 143 is connect with the lower end of the axial downside at the back side 141.
Also, it is preferred that the second curved surface 143 is connected smoothly with blade part lower face 11 and the back side 141.More specifically,
It is preferred that from the section view from the direction that blade part 1 extends, the second curved surface 143 tangential direction on end and the back side in the axial direction
141 is parallel.Also, it is preferred that from the section view from the direction that blade part 1 extends, the second curved surface 143 is in lower axial end portion
Tangential direction on the end of the side opposite with direction of rotation Dro of tangential direction and blade part lower face 11 in the circumferential is flat
Row.So, it can inhibit or prevent the flow direction for the air being flowed into from blade part lower face 11 on second curved surface 143
Change dramatically occurs.Further, it is possible to inhibit or prevent the flowing side for the air being flowed into from the second curved surface 143 on the back side 141
To generation change dramatically.Thus, it is possible to help to inhibit the noise because generating in rear surface the second curved surface 143 of setting 14a.
In figure 7b, from the section view from the direction that blade part 1 extends, the axial width (Wa1+Wa2+ of blade part 1
Wa3) it is, for example, 1.4mm.The axial width Wa1 at the back side 141 is, for example, 0.8mm.The axial width Wa2 of first surface 142 is for example
It is 0.3mm, the axial width Wa3 of the second curved surface 143 is, for example, 0.3mm.
Also, from the section view from the direction that blade part 1 extends, blade part 1 in the direction extended with blade part 1 and
Thickness on axially vertical direction is fixed, e.g. 0.25mm to 0.8mm.In the present embodiment, the thickness Wc of blade part 1
It is 0.5mm.By the way that the thickness of blade part 1 is set as size appropriate, it can be ensured that the intensity of its own of blade part 1.
<The inhibition for the noise that 1-3-2. is generated by blade part>
The noise that is generated by the wind noise of blade part 1 when in order to inhibit impeller 200 to rotate, first surface 142 and the
Two curved surfaces 143 are set to rear surface 14a.Fig. 8 A and Fig. 8 B is shown through computer simulation to being generated near blade part 1
The result of noise analyzed.Fig. 8 A are to show to be set to rear surface in first surface 142 and the second curved surface 143
The figure of the distribution Dt1 for the noise that the blade part 1 of 14a nearby generates.Fig. 8 B are shown in first surface 142 and the second curved surface
The figure of the distribution Dt2 for the noise that 143 blade parts 1 for not being set to rear surface 14a nearby generate.In addition, in the noise of Fig. 8 A
It is distributed in the distribution Dt2 of the noise of Dt1 and Fig. 8 B, the shade in region indicates the size of noise.That is, the color in region
It is denseer, it indicates to generate bigger noise.Also, in Fig. 8 A and Fig. 8 B, arrow indicates the flow direction of air.
In the distribution Dt1 of the noise of Fig. 8 A, the distribution Dt2 of the noise of the dense region ratio Fig. 8 B of color is narrow.Also, rear
Near the 14a of edge face, the color in the region near rear surface 14a in the distribution Dt1 of noise is than the rear in the distribution Dt2 of noise
Region near the 14a of face is dense.Thus, it can be known that not being set to the rear of blade part 1 with first surface 142 and the second curved surface 143
The case where face 14a, is compared, in the case where first surface 142 and the second curved surface 143 are set to the rear surface 14a of blade part 1,
It restrained effectively the noise generated when impeller 200 rotates.
In addition, in the present embodiment, rear surface 14a includes 143 the two of first surface 142 and the second curved surface, but
It is to be not limited to the illustration.Rear surface 14a can also be only comprising some in first surface 142 and the second curved surface 143.
In other words, blade part 1 can only have first surface 142 in rear surface 14a, can also only have the second curved surface 143.This
The rear surface 14a of sample, blade part 1 can also include parallel with axial direction from the section view from the direction that the blade part 1 extends
At least one of back side 14a and first surface 142 and the second curved surface 143 curved surface.So, in driving air-supply arrangement
100 make impeller 200 rotate when, be not easy the blade part 1 of the side opposite with the direction of rotation Dro of impeller 200 in the circumferential
Rear surface 14a nearby generates turbulent flow.Thus, it is possible to inhibit to generate noise because of the rotation of impeller 200.Also, not necessarily
In the case of the noise generated when impeller 200 being inhibited to rotate, additionally it is possible to not have the first song in rear surface 14a using blade part 1
The structure of 143 the two of face 142 and the second curved surface.
Also, in the distribution Dt1 of the noise of Fig. 8 A, the color in the region near first surface 142 is than the second curved surface 143
The color in neighbouring region is light.That is, inhibiting the effect ratio of noise to inhibit noise by the second curved surface 143 by first surface 142
Effect it is strong.Thus, the case where any one in first surface 142 and the second curved surface 143 is set to rear surface 14a
Under, preferably first surface 142 is set to rear surface 14a.Moreover, coming from the viewpoint of the noise generated when impeller 200 being inhibited to rotate
It sees, both more preferable first surface 142 and the second curved surface 143 are set to rear surface 14a.That is, noise rejection effect is strong
Degree is " both first surface 142 and the second curved surface 143 are set to the structure of rear surface 14a ">" first surface 142 is arranged
In the structure of rear surface 14a ">" the second curved surface 143 is set to the structure of rear surface 14a ">" first surface 142 and the second song
Both faces 143 are not set to the structure of rear surface 14a ".
<The structure of 1-4. flange parts>
Next, being illustrated to the structure of flange part 23.Fig. 9 is the sectional view for the configuration example for showing flange part 23.Separately
Outside, Fig. 9 is for example corresponding along the section of single dotted broken line A2-A2 of Fig. 3 with impeller 200.
As shown in figure 9, flange part 23 has：Positioned at the axis of flange part 23 flange part upper surface 231 to the upper side；And position
Flange part lower face 232 in the axial downside of flange part 23.
<The structure of 1-4-1. flange parts upper surface>
Flange part upper surface 231 is located at the axial upside of flange part 23.As shown in figure 9, flange part upper surface 231 includes the
One flange end surface 231a, the second flange end surface 231b, third flange end surface 231c, the first flange part joint face 231d with
And the second flange part joint face 231e.
First flange end surface 231a is located at the radially inner side of flange part upper surface 231.In section view from circumferentially, the
One flange end surface 231a is put down from the outer end of the radial outside of the flexure plane 221 of canister portion 22 to radial outside linear extension
Row is in the plane PL vertical with central axis CA.
Second flange end surface 231b is located at than the first flange end surface 231a at the position of radial outside.From circumferential sight
In the section view examined, the second flange end surface 231b is towards radial outside relative to the plane PL vertical with central axis CA to axial direction
Upside tilts.Second flange end surface 231b is also located at than the first flange end surface 231a at axis position to the upper side.In this way
One, the air of the second flange end surface 231b is flowed into from the first flange end surface 231a along the second flange end surface
231b is flowed to axial upside and radial outside.Thus, using positioned at the suction leaned on than flange part 23 at axis position to the upper side
The air of gas port 401a sucking is not easy via on flange part upper surface 231 and to the location stream than flange part 23 by axial downside
It is dynamic.Thus, it is possible to be sucked to stirring air by the rotation of impeller 200 and the blade part 1 of wind being caused efficiently to convey
Air.Thereby, it is possible to improve the air supply efficiency of air-supply arrangement 100.
Also, in the section view from circumferentially, diameters of the second flange end surface 231b from the first flange part joint face 231d
Outer end linear extension outward.So, the direction that air flows on the second flange end surface 231b will not occur
Change dramatically, thus inhibit generate vortex, so as to making smooth air from the first flange end surface 231a it is convex to second
It is flowed on the 231b of edge end face.Thus, it is possible to more efficiently convey sucked air to blade part 1.
Also, the second width L2 radially of the second flange end surface 231b is the radial direction of the first flange end surface 231a
On twice or more of the first width L1.In addition, the first width L1 is the first flange end surface in section view from circumferentially
Radical length L1 between the outer end of the radial outside of the inner end of the radially inner side of 231a and the first flange end surface 231a.
Also, the second width L2 is the inner end and second of the radially inner side of the second flange end surface 231b in section view from circumferentially
Radical length L2 between the outer end of the radial outside of flange end surface 231b.So, it can be ensured that make air
Swimmingly to the distance needed for axial upside and radial outside flowing on two flanges end surface 231b.
In section view from circumferentially, the second flange end surface 231b is in relative to the plane PL vertical with central axis CA
Acute angle theta.Acute angle theta is, for example, less than 5 degree.So, can suitably adjust from the flange part upper surface 231 of flange part 23 to
The air flowed between blade part 1 is towards axis flowing to the upper side.Thus, it is possible to make flowing on the outside of Efficient air geocentric vertical.
Third flange end surface 231c is located at than the second flange end surface 231b at the position of radial outside.From circumferential sight
In the section view examined, third flange end surface 231c is parallel to vertical with central axis CA towards radial outside linear extension
Plane PL.Also, the inner end of the radially inner side of blade part 1 is located on the second flange end surface 231b.So, can make
Initially towards the air between blade part 1 along the second flange end surface 231b and third from the first flange end surface 231a
Flange end surface 231c is slow and efficiently flows.
In section view from circumferentially, the first flange part joint face 231d is that the first flange part joint face 231d extends
The curved surface of gradient consecutive variations on direction.The diameter of first flange part joint face 231d connection the first flange end surfaces 231a is outside
The inner end of the outer end of side and the radially inner side of the second flange end surface 231b.In section view from circumferentially, the first flange
Tangential directions of the portion joint face 231d on the inner end of radially inner side is with the first flange end surface 231a in the outer of radial outside
Tangential direction on end is parallel.Also, in the section view from circumferentially, the first flange part joint face 231d is in radial outside
Tangential direction on outer end is parallel with tangential directions of the second flange end surface 231b on the inner end of radially inner side.In this way
One, when from circumferential, the second flange end surface 231b by the first flange part joint face 231d smoothly with the first flange
End surface 231a connections.Therefore, it is possible to effectively inhibit the first flange end surface 231a's and the second flange end surface 231b
Coupling part generates vortex.Thus, it is possible to make the air flowed from air entry 401a more swimmingly from the first flange end surface
231a is upper to be flowed on the second flange end surface 231b.
In section view from circumferentially, the second flange part joint face 231e is that the second flange part joint face 231e extends
The curved surface of gradient consecutive variations on direction.The diameter of second flange part joint face 231e connection the second flange end surfaces 231b is outside
The inner end of the outer end of side and the radially inner side of third flange end surface 231c.In section view from circumferentially, the second flange
Tangential directions of the portion joint face 231e on the inner end of radially inner side is with the second flange end surface 231b in the outer of radial outside
Tangential direction on end is parallel.Also, in the section view from circumferentially, the second flange part joint face 231e is in radial outside
Tangential direction on outer end is parallel with tangential directions of the third flange end surface 231c on the inner end of radially inner side.In this way
One, when from circumferential, third flange end surface 231c by the second flange part joint face 231e smoothly with the second flange
End surface 231b connections.Therefore, it is possible to effectively inhibit the second flange end surface 231b's and third flange end surface 231c
Coupling part generates vortex.Thus, it is possible to make the air flowed from air entry 401a more swimmingly from the second flange end surface
231b is upper to be flowed on third flange end surface 231c.
<The structure of 1-4-2. flange parts lower face>
Next, as shown in figure 9, flange part lower face 232 is located at the axial downside of flange part 23.Flange part other end
232 connect comprising the 4th flange end surface 232a, the 5th flange end surface 232b, the 6th flange end surface 232c, third flange portion
Junction 232d and the 4th flange part joint face 232e.
4th flange end surface 232a is located on the downside of the axial direction of flange part 23, convex with first in the section view from circumferentially
Edge end face 231a is parallel.
5th flange end surface 232b is located at than the 4th flange end surface 232a at the position of radial outside.Also, from
In the section view circumferentially observed, the 5th flange end surface 232b is towards radial outside relative to the plane PL vertical with central axis CA
It is tilted to axial upside.So, such as even if other than the air entry 401a of air-breathing plate portion 401, also positioned at than convex
Other air entries (not shown) are arranged in supporting board 402 of the edge 23 at the position of axial downside, utilize other air entries
The air of sucking also can be in the 4th flange end surface 232a, the 5th flange end surface 232b and the 6th flange end surface 232c
On swimmingly flow.Thus, even if air-supply arrangement 100 is can be swimmingly if carrying out the device of two-sided air-breathing as described above
Blow the air sucked using air entry 401 and other air entries.
6th flange end surface 232c is located at than the 5th flange end surface 232b at the position of radial outside.
In section view from circumferentially, third flange portion joint face 232d is that third flange portion joint face 232d extends
The curved surface of gradient consecutive variations on direction.The diameter of the 4th flange end surface 232a of third flange portion joint face 232d connections is outside
The inner end of the outer end of side and the radially inner side of the 5th flange end surface 232b.In section view from circumferentially, third flange
Tangential directions of the portion joint face 232d on the inner end of radially inner side is with the 4th flange end surface 232a in the outer of radial outside
Tangential direction on end is parallel.Also, in the section view from circumferentially, third flange portion joint face 232d is in radial outside
Tangential direction on outer end is parallel with tangential directions of the 5th flange end surface 232b on the inner end of radially inner side.
In section view from circumferentially, the 4th flange part joint face 232e is that the 4th flange part joint face 232e extends
The curved surface of gradient consecutive variations on direction.The radial outside of the 5th flange end surface 232b of 4th flange end surface 232e connections
Outer end and the 6th flange end surface 232c radially inner side inner end.In section view from circumferentially, the 4th flange part
Tangential directions of the joint face 232e on the inner end of radially inner side is with the 5th flange end surface 232b in the outer end of radial outside
Tangential direction in portion is parallel.Also, in the section view from circumferentially, the 4th flange part joint face 232e is in the outer of radial outside
Tangential direction on end is parallel with tangential directions of the 6th flange end surface 232c on the inner end of radially inner side.
By constituting third flange portion joint face 232d and the 4th flange part joint face 232e as described above, the 5th
Flange end surface 232b is smoothly connect with the 4th flange end surface 232a by third flange portion joint face 232d, the 6th flange
End surface 232c is smoothly connect with the 5th flange end surface 232b by the 4th flange part joint face 232e.Thus, for example i.e.
Make other than the air entry 401a of air-breathing plate portion 401, also positioned at the bearing than flange part 23 at the position on the downside of axial direction
Other air entries (not shown) are arranged in plate portion 402, can also effectively inhibit air because being flowed into from other air entries the
The coupling part and the 5th flange end surface 232b of four flange end surface 232a and the 5th flange end surface 232b and the 6th flange
The coupling part of end surface 232c generates vortex.Thus, the air flowed from other air entries can be further swimmingly convex
It is flowed on edge lower face 232.
<The variation of 1-5. embodiments>
In the present embodiment, in the section view from circumferentially, the blade part upper surface 12 of blade part 1 and air-breathing plate portion
401 part opposite with blade part upper surface 12 radially linear extension, but it is not limited to the illustration.
<1-5-1. the first variation of embodiment>
Figure 10 A are the sectional views of the first variation for the structure for showing air-supply arrangement 100.As shown in Figure 10 A, blade part 1
Also there is the first blade end surface 121.More specifically, blade part upper surface 12 includes the first blade end surface 121.First leaf
Piece end surface 121 is located at than air entry 401a at the position of radial outside.When from circumferential, the first blade end surface 121
It is tilted towards radial outside to axial upside relative to the plane PL vertical with central axis CA.Also, air-breathing plate portion 401 also has
There is the first plate portion 401b.First plate portion 401b is more to the upper side by axis than 1 respective first blade end surface 121 of multiple blade parts
It is set in parallel with the first blade end surface 121 at position.So, blade part 1 and air-breathing near air entry 401a
Gap between plate portion 401 becomes narrow, therefore can inhibit air adverse current in the gap.
Also, in the case where impeller 200 has cricoid ring portion 25, as shown in Figure 10 B, the first blade end surface 121
It can also be located at than ring portion 25 at the position of radial outside.So, the gap between ring portion 25 and the first plate portion 401b
Become narrow, thus, it is possible to inhibit air adverse current in the gap.
<Second variation of 1-5-2. embodiments>
Figure 11 A are the sectional views of the second variation of the structure for showing air-supply arrangement 100.As shown in Figure 11 A, blade part 1
Also there is the second blade end surface 122.More specifically, blade part upper surface 12 includes the second blade end surface 122.Second leaf
Piece end surface 122 is located at than air entry 401a at the position of radial outside.When from circumferential, the second blade end surface 122
It is tilted towards radial outside to axial downside relative to the plane PL vertical with central axis CA.Also, air-breathing plate portion 401 also has
There is the second plate portion 401c.Second plate portion 401c is more to the upper side by axis than 1 respective second blade end surface 122 of multiple blade parts
It is set in parallel with the second blade end surface 122 at position.Also, in the case where impeller 200 has cricoid ring portion 25, such as
Shown in Figure 11 B, the second blade end surface 122 can also be located at than ring portion 25 at the position of radial outside.So, can
Air is efficiently sucked from air entry 401a, therefore is easy to increase the air quantity of air-supply arrangement 100.
In addition, being not limited to the illustration of Figure 10 A to Figure 11 B, first variation and the second variation can also be appropriate
It combines on ground.For example, air-breathing plate portion 401 can also have the second plate portion 401c and out of, the second plate portion 401c radially inner side
The first plate portion 401b that end extends to radially inner side, and blade part upper surface 12 have the second blade end surface 122 and from
The first blade end surface 121 that the inner end of the radially inner side of second blade end surface 122 extends to radially inner side.Such one
Come, adverse current in gap of the air between blade part 1 and air-breathing plate portion 401 can be inhibited, and air can also be inhibited to suction
Gas port 401a adverse currents.
<The application examples of 1-6. air-supply arrangements>
Next, being illustrated to the application examples of air-supply arrangement 100.Figure 12 A are to show to be installed with air-supply arrangement 100 just
Take the perspective elevation of an example of formula massaging device 500.Figure 12 B are the structures for the air-supply arrangement 100 for showing to be equipped with heat pipe 600
The stereogram of example.In addition, the axial direction of Figure 12 A is opposite with Fig. 1 to Figure 11 B.More specifically, Figure 12 A towards direction to the upper side
Corresponding with the axial downside in Fig. 1 to Figure 11 B, the direction on the downside of the direction of Figure 12 A and the axial upside in Fig. 1 to Figure 11 B are right
It answers.The axial direction of Figure 12 B is identical as Fig. 1 to Figure 11 B.
Massaging device 500 is, for example, the slim personal computer as laptop.Air-supply arrangement 100 is used as information
The air-cooled fan of device 500 is installed in the inside of massaging device 500 with the air door 100a and heat pipe 600 of sheet together.Air-supply
Device 100 and heat pipe 600 are for example installed on the back side of the keyboard 510 of massaging device 500.
Air door 100a is the buffer unit for protecting air-supply arrangement 100 not to be hit, and is set to the axis of air-supply arrangement 100
To lower surface.Air-supply arrangement 100 is installed on the back side of keyboard 510 across air door 100a.
Heat pipe 600 is the component for conducting the heat generated from the inside of massaging device 500 and heating part.In Figure 12 B,
Heat pipe 600 conducts the heat from air-supply arrangement 100 and the CPU520 generations for being installed in massaging device 500.Heat pipe 600 includes to lead
Backing 610, cooling fin 620 and heat sink 630.
Thermally conductive sheet 610 is band-like conducting-heat elements, will be configured at the heat of the CPU520 on pedestal 530 to cooling fin 620
Conduction.One end of thermally conductive sheet 610 and cooling fin 620 attach at can heat conduction, the other end of thermally conductive sheet 610 is across heat sink 630
It is attached at being capable of heat conduction with CPU520.
Cooling fin 620 is configured to the air outlet 403a air-supplies to air-supply arrangement 100, will be passed from thermally conductive sheet 610
The heat led is radiated by being transferred to the air blowed from air outlet 403a.
Heat sink 630 is the conducting-heat elements of sheet.The part of heat sink 630 and CPU520 are attached at being capable of heat conduction.And
And other parts of heat sink 630 are for example attached with the back side of keyboard 510 at being capable of heat conduction.Heat sink 630 is by CPU520's
The air transmitted that heat is blowed to such as shell (not shown), the air-supply arrangement 100 of massaging device 500.
In the air-breathing plate portion 401 of air-supply arrangement 100, supporting board 402 and side of sidewall portion 403 at least any one also may be used
With connected into heat pipe 600 using scolding tin, thermal conductivity Double-sided adhesive tape or single side jointing tape etc. being capable of heat conduction.For example,
Above-mentioned at least one end of any one and thermally conductive sheet 610 can be connected by soldering or by using the bonding of above-mentioned adhesive tape
It being capable of heat conduction.Alternatively, can also by one end of thermally conductive sheet 610 itself with air-supply arrangement 100 it is above-mentioned at least any one glue
Being connected into being capable of heat conduction.So, heat pipe 600 can efficiently conduct heat to the casing 400 of air-supply arrangement 100.Thus, it send
Wind apparatus 100 can also will be spread from the heat that CPU520 is generated into the air efficiently blowed, and to massaging device 500
Outside sheds.
<2. other>
More than, the embodiment of the utility model is illustrated.In addition, the scope of the utility model is not limited to
Above-mentioned embodiment.The utility model can add various changes to implement in the range of not departing from purport.And
And the project illustrated in the above-described embodiment suitably can be combined arbitrarily in the range of not conflicting.
The utility model is for example useful as slim Air Blast fan.But the purposes of the utility model is not limited to this
It illustrates.
Claims (18)
1. a kind of air-supply arrangement comprising：
Impeller can be descended centered on the central axis extended and be rotated above；
Motor drives the impeller；And
Casing accommodates the impeller and the motor,
The air-supply arrangement is characterized in that,
The impeller has：
The multiple blade parts arranged in the circumferential；And
Flange part is provided with multiple blade parts in the outer peripheral edge portion of radial outside,
The casing have the first shell part, first shell part across gap and with positioned at the axial side of the blade part
Blade part end face it is opposite,
First shell part has the air entry penetrated through in an axial direction,
Flange part end face positioned at the axial side of the flange part includes：
First flange end surface is located at the radially inner side of the flange part end face；And
Second flange end surface is located at than the first flange end surface at the position of radial outside,
In section view from circumferentially, the second flange end surface towards radial outside relative to the central axis upright
Plane tilted to axial side.
2. air-supply arrangement according to claim 1, which is characterized in that
The second flange end surface, which is located at, to be leaned on than the first flange end surface at the position of axial side.
3. air-supply arrangement according to claim 1, which is characterized in that
In the section view from circumferentially, the second flange end surface linear extension.
4. air-supply arrangement according to claim 1, which is characterized in that
The flange part end face also includes the first flange part joint face, and the first flange part joint face connection described first is convex
The inner end of the outer end of the radial outside of edge end face and the radially inner side of the second flange end surface,
In the section view from circumferentially,
Tangential direction of the first flange part joint face on the inner end of radially inner side exists with the first flange end surface
Tangential direction on the outer end of radial outside is parallel,
Tangential direction of the first flange part joint face on the outer end of radial outside exists with the second flange end surface
Tangential direction on the inner end of radially inner side is parallel.
5. air-supply arrangement according to claim 1, which is characterized in that
The second width radially of the second flange end surface is the radially first wide of the first flange end surface
Twice or more of degree,
First width be the inner end of the radially inner side of the first flange end surface described in the section view from circumferentially with
Radical length between the outer end of the radial outside of the first flange end surface,
Second width be the inner end of the radially inner side of the second flange end surface described in the section view from circumferentially with
Radical length between the outer end of the radial outside of the second flange end surface.
6. air-supply arrangement according to claim 1, which is characterized in that
The flange part end face also includes third flange end surface, and the third flange end surface is located at than second flange
End surface leans at the position of radial outside,
In the section view from circumferentially, the third flange end surface linear extension.
7. air-supply arrangement according to claim 6, which is characterized in that
The flange part end face also includes the second flange part joint face, and the second flange part joint face connection described second is convex
The inner end of the outer end of the radial outside of edge end face and the radially inner side of the third flange end surface,
In the section view from circumferentially,
Tangential direction of the second flange part joint face on the inner end of radially inner side exists with the second flange end surface
Tangential direction on the outer end of radial outside is parallel,
Tangential direction of the second flange part joint face on the outer end of radial outside exists with the third flange end surface
Tangential direction on the inner end of radially inner side is parallel.
8. air-supply arrangement according to claim 1, which is characterized in that
In the section view from circumferentially, the second flange end surface relative to the plane of the central axis upright in small
In 5 degree of acute angle.
9. air-supply arrangement according to claim 1, which is characterized in that
The blade part end face includes the first vane end faces, and first vane end faces are located at more outside by diameter than the air entry
At the position of side,
When from circumferential, first vane end faces towards radial outside relative to the plane with the central axis upright to
Axial side tilts,
First shell part also has the first plate portion, and first plate portion is more respective by described first than multiple blade parts
Vane end faces are set in parallel at the position of axial side with first vane end faces.
10. air-supply arrangement according to claim 9, which is characterized in that
The impeller also has cricoid ring portion, and the ring portion is in the axial side of the blade part and the axial other side
At least side connects multiple blade parts,
First vane end faces are located at than the ring portion at the position of radial outside.
11. air-supply arrangement according to claim 1, which is characterized in that
The casing also has the second shell part, second shell part another with the axial direction positioned at the blade part across gap
The blade part other end of side is opposite.
12. air-supply arrangement according to claim 11, which is characterized in that
Flange part other end positioned at the axial other side of the flange part includes：
4th flange end surface, it is parallel with the first flange end surface in the section view from circumferentially；
5th flange end surface is located at than the 4th flange end surface at the position of radial outside；And
6th flange end surface is located at than the 5th flange end surface at the position of radial outside,
In the section view from circumferentially, the 5th flange end surface hangs down towards radial outside relative to the central axis
Straight plane is tilted to axial side.
13. air-supply arrangement according to claim 12, which is characterized in that
The flange part other end also includes：
Third flange portion joint face connects the outer end of the radial outside of the 4th flange end surface and the 5th flange
The inner end of the radially inner side of end surface；And
4th flange part joint face connects the outer end of the radial outside of the 5th flange end surface and the 6th flange
The inner end of the radially inner side of end surface,
In the section view from circumferentially,
Tangential direction of the third flange portion joint face on the inner end of radially inner side exists with the 4th flange end surface
Tangential direction on the outer end of radial outside is parallel,
Tangential direction of the third flange portion joint face on the outer end of radial outside exists with the 5th flange end surface
Tangential direction on the inner end of radially inner side is parallel,
Tangential direction of the 4th flange part joint face on the inner end of radially inner side exists with the 5th flange end surface
Tangential direction on the outer end of radial outside is parallel,
Tangential direction of the 4th flange part joint face on the outer end of radial outside exists with the 6th flange end surface
Tangential direction on the inner end of radially inner side is parallel.
14. air-supply arrangement according to claim 11, which is characterized in that
The blade part end face also includes the second vane end faces, and second vane end faces are located at than the air entry by radial
At the position in outside,
When from circumferential, second vane end faces towards radial outside relative to the plane with the central axis upright to
The axial other side tilts,
First shell part also has the second plate portion, and second plate portion is more respective by described second than multiple blade parts
Vane end faces are set in parallel at the position of axial side with second vane end faces.
15. air-supply arrangement according to claim 14, which is characterized in that
The impeller also has cricoid ring portion, and the ring portion is in the axial side of the blade part and the axial other side
At least side connects multiple blade parts,
Second vane end faces are located at than the ring portion at the position of radial outside.
16. air-supply arrangement according to claim 1, which is characterized in that
The impeller also has cricoid ring portion, and the ring portion is in the axial side of the blade part and the axial other side
At least side connects multiple blade parts.
17. according to the air-supply arrangement described in claim 10,15, any one of 16, which is characterized in that
The ring portion has flexure plane,
In the section view from circumferentially, the flexure plane has to axial side and radially inner side curved shape outstanding.
18. air-supply arrangement according to claim 1, which is characterized in that
When from circumferential, the inner end of the radially inner side of the blade part the flange part the outer peripheral edge portion from described
Flange part is prominent to the axial other side.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762448165P | 2017-01-19 | 2017-01-19 | |
| US62/448,165 | 2017-01-19 | ||
| JP2017096612A JP2018115650A (en) | 2017-01-19 | 2017-05-15 | Blowing device |
| JP2017-096612 | 2017-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207935122U true CN207935122U (en) | 2018-10-02 |
Family
ID=62983610
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820090403.3U Active CN207935120U (en) | 2017-01-19 | 2018-01-19 | Air-supply arrangement |
| CN201820097341.9U Expired - Fee Related CN207935122U (en) | 2017-01-19 | 2018-01-19 | Air-supply arrangement |
| CN201820096453.2U Expired - Fee Related CN207935121U (en) | 2017-01-19 | 2018-01-19 | Air-supply arrangement |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820090403.3U Active CN207935120U (en) | 2017-01-19 | 2018-01-19 | Air-supply arrangement |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820096453.2U Expired - Fee Related CN207935121U (en) | 2017-01-19 | 2018-01-19 | Air-supply arrangement |
Country Status (2)
| Country | Link |
|---|---|
| JP (3) | JP2018115649A (en) |
| CN (3) | CN207935120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005626A (en) * | 2019-05-28 | 2019-07-12 | 英业达科技有限公司 | Radiator fan and radiating module comprising radiator fan |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI774890B (en) * | 2018-12-07 | 2022-08-21 | 宏碁股份有限公司 | Blade and fan structure |
| CN111350689A (en) * | 2018-12-24 | 2020-06-30 | 宏碁股份有限公司 | Fan blade and fan structure |
| JP2023001960A (en) * | 2021-06-22 | 2023-01-10 | パナソニックＩｐマネジメント株式会社 | centrifugal fan |
-
2017
- 2017-05-15 JP JP2017096607A patent/JP2018115649A/en active Pending
- 2017-05-15 JP JP2017096612A patent/JP2018115650A/en active Pending
- 2017-05-15 JP JP2017096617A patent/JP2018115651A/en active Pending
-
2018
- 2018-01-19 CN CN201820090403.3U patent/CN207935120U/en active Active
- 2018-01-19 CN CN201820097341.9U patent/CN207935122U/en not_active Expired - Fee Related
- 2018-01-19 CN CN201820096453.2U patent/CN207935121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005626A (en) * | 2019-05-28 | 2019-07-12 | 英业达科技有限公司 | Radiator fan and radiating module comprising radiator fan |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018115650A (en) | 2018-07-26 |
| CN207935120U (en) | 2018-10-02 |
| JP2018115651A (en) | 2018-07-26 |
| CN207935121U (en) | 2018-10-02 |
| JP2018115649A (en) | 2018-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 |