CN207935121U - Air-supply arrangement - Google Patents
Air-supply arrangement Download PDFInfo
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- CN207935121U CN207935121U CN201820096453.2U CN201820096453U CN207935121U CN 207935121 U CN207935121 U CN 207935121U CN 201820096453 U CN201820096453 U CN 201820096453U CN 207935121 U CN207935121 U CN 207935121U
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- air
- blade
- supply arrangement
- blade part
- rotation
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- 230000000873 masking effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of air-supply arrangement comprising：The impeller that can be rotated centered on central axis；And the motor of driving impeller.Impeller has：The multiple blade parts arranged in the circumferential；The outer peripheral edge portion of radial outside is provided with the flange part of multiple blade parts；And the first shielding portion of the plate between blade part adjacent in the circumferential.First shielding portion is connected to the lateral surface of the rear surface of the side opposite to the direction of rotation of blade part and the radial outside positioned at flange part.
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, as with the relevant prior art of the utility model, in Japanese Kokai 2006-170090 bulletins
In, the air-supply arrangement with multiple blades around the rotor of motor is illustrated.In the air-supply arrangement, in order to anti-
The vibration of rotation stop and resonance voice, are provided with strengthening portion between rotor and blade.
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 Publication 2006-170090 bulletins.For example, Japanese Kokai 2006-170090 public affairs
The air-supply arrangement of report is provided with strengthening portion in the rotor of cup-shaped and the engaging portion of blade, but the air quantity of air-supply arrangement is not through
Strengthening portion and increase, but decline with the increase of strengthening portion and the volume ratio of blade.That is, the strengthening portion and not contributeing to carry
High air supply efficiency.
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 central axis；And motor, drive the impeller, the impeller to have：What is arranged in the circumferential is multiple
Blade part；Flange part is provided with multiple blade parts in the outer peripheral edge portion of radial outside；And the first masking of plate
Portion is located between the adjacent blade part in the circumferential, first shielding portion be connected to the blade part with rotation
The lateral surface of the rear surface of the opposite side in direction and the radial outside positioned at the flange part.
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 for showing an example from the air-supply arrangement circumferentially observed.
Fig. 5 A are another vertical views for showing impeller.
Fig. 5 B are another sectional views shown from the air-supply arrangement circumferentially observed.
Fig. 6 A are the figures of the structure of the rear surface for the side opposite to the direction of rotation for showing blade part.
Fig. 6 B are the sectional views for the blade part that the direction extended from blade part is observed.
Fig. 7 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. 7 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. 8 A are the configuration examples of the first shielding portion and the second shielding portion between showing blade part adjacent in the circumferential
Figure.
Fig. 8 B are the figures by the first shielding portion and the second shielding portion partial enlargement.
Fig. 9 A are the sectional views of the first variation for the structure for showing air-supply arrangement.
Fig. 9 B are the sectional views for another structure for showing first variation.
Figure 10 A are the sectional views of the second variation of the structure for showing air-supply arrangement.
Figure 10 B are the sectional views for another structure for showing the second variation.
Figure 11 A are the perspective elevations of an example for the portable information apparatus for showing to be installed with air-supply arrangement.
Figure 11 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 ".
In the axial direction, axial side, referred to as " axis will be set as from aftermentioned supporting board 402 towards the direction of aftermentioned air-breathing plate portion 401
To upside ".Also, 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 overlapped with " medial surface ", and radial " outer end " is overlapped 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 central axis CA together.From central axis CA to the outer end of the radial outside of blade part 1 (that is,
Top) until radial shortest distance Lr it is bigger than the axial length L a of air-supply arrangement 100, preferably axially five times of length La with
On.So, air-supply arrangement 100 can be thinned.In addition, the structure about impeller 200 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 the position by axial downside than multiple blade parts 1, and across gap and is located at blade part
The blade part lower face 11 of 1 axial downside is opposite, and supports motor 300.More specifically, in the upper table of supporting board 402
Face 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 to radial opening.The inner space of casing 400 accommodates impeller 200 and motor 300, and via suction
Gas port 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 are made of stainless steel, and side of sidewall portion 403 is to be made of copper
's.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 it is externally embedded to molding together.Also, the precision of the shape in order to ensure casing 400 after molding, after formation into
Row 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 from the air-supply arrangement 100 circumferentially observed.In addition, the single-point along Fig. 1 of Fig. 4 and air-supply arrangement 100
The section of scribing 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, the first shielding portion 24a, the second shielding portion 24b and multiple
Blade part 1.Also, cap 21, canister portion 22 and flange part 23 constitute cup portion 2.That is, impeller 200 has cup portion 2.Including cup portion 2
In other words the axis upper end to the upper side that portion accommodates motor 300 is installed on the upper end of motor 300.Also, in order to inhibit leaf
For the air that piece portion 1 is stirred to axial downside flowing, the first shielding portion 24a and the second shielding portion 24b are set to phase in the circumferential
Between adjacent blade part 1 and the radial outside of the outer peripheral edge portion 230 of flange part 23.In addition, the first shielding portion 24a and second hides
The structure for covering portion 24b illustrates later.
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 is preferably, for example, 30 a piece of or more.Interval between blade part 1 according to
The quantity of blade part 1 and narrow, therefore static pressure between blade part 1 increases, the air between blade part 1 more at a gallop by
Radial outside is sent out.The air supply efficiency of air-supply arrangement 100 is improved as a result,.In addition, the structure of blade part 1 illustrates later.
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 courts of flexure plane direction side.Thus, along flexure plane 221 to radial outside stream
It flows to dynamic smooth air, and reaches flange part 23.Flange part 23 is outside from the outer end of the radial outside of canister portion 22 to diameter
Side extends.The outer peripheral edge portion 230 of the radial outside of flange part 23 is provided with multiple blade parts 1.
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 since the outer peripheral edge portion 230 of flange part 23.Therefore, with such as multiple blade parts 1
The case where extending from the Inner peripheral portions of flange part 23 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 for example with the 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, being not limited to the illustration of Fig. 4, the inner end of the radially inner side of blade part 1 can also be in outer peripheral edge portion 230
Place is also prominent to axial downside.So, blade part 1 is stirred the area of air and is become much larger, and can cause more wind.And
And in the case where supporting board 402 is also equipped with other air entry (not shown), due to can also be from supporting board 402
Air entry efficiently sucks air, therefore is easy to increase the air quantity of air-supply arrangement 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 flange part
The length Lb along blade part 1 until the 23 lateral surface 23a to the outer end of the radial outside of blade part 1 positioned at radial outside
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 be the component different from flange part 23.
However, it is preferred to which at least one of multiple blade parts 1 blade part is made of resin, and it is portion identical with flange part 23
A part for part.So, the case where being the component seperated with flange part 23 compared to all blade parts 1, system can be cut down
Process number is made, therefore the time (such as productive temp) needed for manufacture can be shortened, 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, in leading edge face, 14b is applied in just
Pressure, negative pressure is applied in rear surface 14a.Also, from end on observation when, the rear surface 14a of each blade part 1 and leading edge face
With direction of rotation Dro opposite curvings of the 14b in circumferential direction.
<1-3-1. the structure of rear surface>
Next, being illustrated to the structure of the rear surface 14a of blade part 1.Fig. 6 A be blade part 1 is shown with rotation side
The figure of the structure of the rear surface 14a of the side opposite to Dro.Fig. 6 B are the blade parts 1 from the direction that blade part 1 extends
Sectional view.
As shown in Figure 6A and 6B, rear surface 14a includes the back side 141, first surface 142 and the second curved surface 143.From
In the vertical view of end on observation, the back side 141, first surface 142 and the second curved surface 143 are in circumferential direction and direction of rotation
Side opposite Dro 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 connects.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 fig. 6b, 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, to press down
Make or prevent the bending of blade part 1 or bending etc..
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. 7 A and Fig. 7 B is shown through computer simulation to being generated near blade part 1
The result of noise analyzed.Fig. 7 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. 7 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. 7 A
It is distributed in the distribution Dt2 of the noise of Dt1 and Fig. 7 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. 7 A and Fig. 7 B, arrow indicates the flow direction of air.
In the distribution Dt1 of the noise of Fig. 7 A, the distribution Dt2 of the noise of the dense region ratio Fig. 7 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 include only any of 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.In addition, 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. 7 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, in the case where any of first surface 142 and the second curved surface 143 are set to rear surface 14a,
It is preferred that first surface 142 is set to rear surface 14a.Moreover, from the viewpoint of the noise generated when impeller 200 being inhibited to rotate,
Both 142 and second curved surfaces of more preferable first surface 143 are set to rear surface 14a.That is, the intensity of noise rejection effect is
" both first surface 142 and the second curved surface 143 are set to the structure of rear surface 14a ">" after first surface 142 is set to
The structure of edge face 14a ">" the second curved surface 143 is set to the structure of rear surface 14a ">" first surface 142 and the second curved surface 143
The two is not set to the structure of rear surface 14a ".
<The structure of the first shielding portions of 1-3-2. and the second shielding portion>
Next, being illustrated to the structure of the first shielding portion 24a and the second shielding portion 24b.Fig. 8 A and Fig. 8 B is
The figure illustrated for the structure to the first shielding portion 24a and the second shielding portion 24b.Fig. 8 A be show it is adjacent in the circumferential
Blade part 1 between the first shielding portion 24a and the second shielding portion 24b configuration example figure.Fig. 8 B are by the first shielding portion
The figure of 24a and the second shielding portion 24b partial enlargements.In addition, Fig. 8 A are corresponding with the part surrounded with solid line in Fig. 3.Also, scheme
8B is corresponding with the part surrounded with dotted line in Fig. 8 A.
<The structure of the first shielding portions of 1-3-2-1.>
First, it is illustrated with reference to the structure of Fig. 8 A and Fig. 8 the first shielding portions of B couple 24a.First shielding portion 24a is plate
Shape is located between blade part 1 adjacent in the circumferential.First shielding portion 24a be connected in blade part 1 with direction of rotation Dro
The lateral surface 23a of the rear surface 14a of opposite side and radial outside positioned at flange part 23.In the blade part 1 of impeller 200
When rotation, the air on the rear surface 14a of blade part 1 can be made to be not easy to axial downside flowing by the first shielding portion 24a.Cause
And more air on rear surface 14a can be stirred by blade part 1 and it is made to be flowed to radial outside.That is, can increase
In the effective area for the wind that rear surface 14a can cause to flow to radial outside.Thereby, it is possible to improve sending for air-supply arrangement 100
Wind efficiency.
From end on observation when, the first end P1 of the radial outside of the first shielding portion 24a is located at leans on diameter than the second end P2
Position inwardly, the second end P2 are located between the radial inner end and outer end of blade part 1 in circumferential direction
At the position of the side opposite with direction of rotation Dro.In addition, first end P1 be from end on observation when be located at the first shielding portion
Outer end at the position near radial outside of 24a.From end on observation when, first end P1 is in the circumferential direction of blade part 1
The rear surface 14a of the side opposite with direction of rotation Dro is located at the position of the direction of rotation sides Dro in circumferential direction than the second end P2
Set place.Also, from end on observation when, the second end P2 be located at rear surface 14a the tangent line Lc by central axis CA (Fig. 8 A's
Single dotted broken line Lc) at tangent rear surface 14a position.
From end on observation when, the edge 241 of the side opposite with direction of rotation Dro in the circumferential direction of the first shielding portion 24a
Extend from first end P1 to the outer peripheral edge portion 230 of flange part 23.From end on observation when, edge 241 include straight line portion 241a and
First bending section 241b.
Outer peripheral edge portion 230 linear extensions of the straight line portion 241a to flange part 23.The direction and rear that straight line portion 241a extends
The direction that tangent line Lts (the double dot dash line Lt of Fig. 8 A) of the face 14a on first end P1 extends is parallel.But straight line portion 241a is simultaneously
It is not limited to the illustration.For example, straight line portion 241a extend direction can not also with rear surface 14a cutting on first end P1
The direction that line Lt extends is parallel.
First bending section 241b extends from the third end P3 of the radially inner side of straight line portion 241a to the 4th end P4.Separately
Outside, third end P3 be from end on observation when inner end at the position near radially inner side of straight line portion 241a.4th
End P4 is the end of the edge 241 of the sides opposite with direction of rotation Dro of the first shielding portion 24a in the circumferential, from axial direction
When observation, it is located at the lateral surface 23a of the radial outside of flange part 23.For example, the 4th end P4 be from end on observation when it is first curved
The point of contact of pars convoluta 241b and the lateral surface 23a of flange part 23.That is, from end on observation when, the first bending section 241b is in the 4th end
Tangential direction on P4 is identical as tangential directions of the lateral surface 23a on the 4th end P4.
According to these structures, proper width is set between blade part 1 that can be adjacent in the circumferential when from end on observation
The first shielding portion 24a.Thus, when impeller 200 rotates, can efficiently be prevented in blade part 1 by the first shielding portion 24a
Rear surface 14a on be intended to the flowing of the air flowed to axial downside.
Also, from end on observation when, in the circumferential between two adjacent blade parts 1, be located at circumferential direction on direction of rotation
Lateral surface 23a distance W1 ratio along flange part 23 of one blade part 1 of the sides Dro between the 4th end P4 is located in circumferential direction
The side opposite with direction of rotation Dro another blade part 1 and the 4th end P4 between the lateral surface 23a along flange part 23
Distance W2 long.So, can more expand be set to from end on observation when in the circumferential between adjacent blade part 1
First shielding portion 24a.Thus, when impeller 200 rotates, can efficiently be prevented in blade part 1 by the first shielding portion 24a
The flowing of the air flowed to axial downside is intended on rear surface 14a.
<The structure of the second shielding portions of 1-3-2-2.>
Next, the structure with reference to Fig. 8 A and Fig. 8 the second shielding portions of B couple 24b illustrates.Second shielding portion 24b is
Plate is set to lateral surface 23a and leaf positioned at the radial outside of flange part 23 in the circumferential between two adjacent blade parts 1
Between the leading edge face 14b of the direction of rotation sides Dro being located in circumferential direction in piece portion 1.
Second shielding portion 24b has the second bending section 242.Second bending section 242 is the direction of rotation of the second shielding portion 24b
The edge of the sides Dro extends from the fifth end P5 on the 230 forward edge face 14b of outer peripheral edge portion of flange part 23.Fifth end P5 is
The outer end of the radial outside of second shielding portion 24b.More specifically, fifth end P5 be from end on observation when be located at it is second curved
Outer end at the position near radial outside of pars convoluta 242.So, the second shielding portion 24b can be set to from axis
To between blade part 1 adjacent in the circumferential when observation.Thus, when impeller 200 rotates, the second shielding portion 24b can be passed through
Prevent the flowing that the air flowed on the downside of axial direction is intended on the above-mentioned leading edge face 14b of blade part 1.Also, molding leaf
When taking turns 200, the leading edge face 14b close with the second shielding portion 24b can be molded with high precision.
In the circumferential between two adjacent blade parts 1, the first shielding portion 24a slave end on observation to the first area Sa
Than the second shielding portion 24b slave end on observation to second area Sb it is big.First area Sa is, for example, three times of second area Sb
More than.So, even if can be incited somebody to action if being deviated using the size of the first shielding portion 24a of formed in mould impeller 200
The deviation is limited in minimum limit.
<The variation of 1-4. embodiments>
In present embodiment (with reference to Fig. 4), in the section view from circumferentially, the blade part upper surface 12 of blade part 1 with
And the part opposite with blade part upper surface 12 of air-breathing plate portion 401 radially linear extension, but it is not limited to the illustration.
<1-4-1. the first variation of embodiment>
Fig. 9 A are the sectional views of the first variation for the structure for showing air-supply arrangement 100.As shown in Figure 9 A, blade part 1 is gone back
With the first blade end surface 121.More specifically, blade part upper surface 12 includes the first blade end surface 121.First blade
End surface 121 is located at than air entry 401a at the position of radial outside.When from circumferential, 121 court of the first blade end surface
Radial outside to tilt to axial upside relative to the plane PL vertical with central axis CA.Also, air-breathing plate portion 401 also has
First plate portion 401b.First plate portion 401b than 1 respective first blade end surface 121 of multiple blade parts by axis position to the upper side
The place of setting is set in parallel with the first blade end surface 121.So, blade part 1 and suction plate near air entry 401a
Gap between 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 9 B, the first blade end surface 121
It can 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 becomes
Must be narrow, thus, it is possible to inhibit air adverse current in the gap.
<Second variation of 1-4-2. embodiments>
Figure 10 A are the sectional views of the second variation of the structure for showing air-supply arrangement 100.As shown in Figure 10 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 10 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 Fig. 9 A to Figure 10 B, first variation and the second variation can also be suitably
Combination.For example, air-breathing plate portion 401 can also have the inner end of the second plate portion 401c and the radially inner side from the second plate portion 401c
The first plate portion 401b that portion extends to radially inner side, and blade part upper surface 12 has the second blade end surface 122 and from the
The first blade end surface 121 that the inner end of the radially inner side of two blade end surfaces 122 extends to radially inner side.So,
It can inhibit adverse current in gap of the air between blade part 1 and air-breathing plate portion 401, and air can also be inhibited to air entry
401a adverse currents.
<The application examples of 1-5. air-supply arrangements>
Next, being illustrated to the application examples of air-supply arrangement 100.Figure 11 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 11 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 11 A is opposite with Fig. 1 to Figure 10 B.More specifically, Figure 11 A towards direction to the upper side
Corresponding with the axial downside in Fig. 1 to Figure 10 B, the direction on the downside of the direction of Figure 11 A and the axial upside in Fig. 1 to Figure 10 B are right
It answers.The axial direction of Figure 11 B is identical as Fig. 1 to Figure 10 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
Upward 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 11 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 into energy by soldering or by using the bonding of above-mentioned adhesive tape
Enough heat conduction.Alternatively, can also any one be Nian Jie by above-mentioned at least with air-supply arrangement 100 of one end of thermally conductive sheet 610 itself
At being capable of heat conduction.So, heat pipe 600 can efficiently conduct heat to the casing 400 of air-supply arrangement 100.Thus, air-supply
Device 100 can also efficiently spread the heat generated from CPU520 to the air blowed, and to outside massaging device 500
Portion 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 (15)
1. a kind of air-supply arrangement comprising：
Impeller can be rotated centered on central axis；And
Motor drives the impeller,
The air-supply arrangement is characterized in that,
The impeller has：
The multiple blade parts arranged in the circumferential；
Flange part is provided with multiple blade parts in the outer peripheral edge portion of radial outside；And
First shielding portion of plate is located between the blade part adjacent in the circumferential,
First shielding portion is connected to the rear surface of the side opposite to the direction of rotation of the blade part and positioned at described
The lateral surface of the radial outside of flange part.
2. air-supply arrangement according to claim 1, which is characterized in that
From end on observation when, the rear of each blade part is towards the side opposite with the direction of rotation in circumferential direction
Bending.
3. air-supply arrangement according to claim 2, which is characterized in that
From end on observation when,
The first end of the radial outside of first shielding portion is located at than the second end at the position of radially inner side, and described the
Two ends be located between the radial inner end and outer end of the blade part in circumferential direction with the direction of rotation phase
At the position of anti-side,
The edge of the side opposite with the direction of rotation in the circumferential direction of first shielding portion is from the first end to institute
The outer peripheral edge portion for stating flange part extends.
4. air-supply arrangement according to claim 3, which is characterized in that
The first end of first shielding portion is located at the position by the circumferential direction of rotation side than the second end
Set place.
5. air-supply arrangement according to claim 3, which is characterized in that
From end on observation when,
The first end of first shielding portion is located at opposite with the direction of rotation in the circumferential direction of the blade part
The rear surface of side,
The edge include straight line portion, the outer peripheral edge portion linear extension from the straight line portion to the flange part,
The direction that the straight line portion extends is parallel with the direction that tangent line of the rear surface on the first end is extended.
6. air-supply arrangement according to claim 5, which is characterized in that
The edge also includes the first bending section, the third end of radially inner side of first bending section from the straight line portion to
4th end extends,
4th end is the edge of the side opposite with the direction of rotation in the circumferential direction of first shielding portion
End, from end on observation when, the 4th end is located at the lateral surface of the radial outside of the flange part.
7. air-supply arrangement according to claim 6, which is characterized in that
From end on observation when, in the circumferential between two adjacent blade parts, be located at the circumferential direction of rotation side
One blade part at a distance from the lateral surface along the flange part between the 4th end ratio be located in circumferential direction
The side opposite with the direction of rotation another blade part and the 4th end between along the flange part
The distance of the lateral surface.
8. air-supply arrangement according to claim 1, which is characterized in that
The impeller also the second shielding portion with plate,
It is radial that second shielding portion is set to being located at for the flange part between adjacent two blade parts in the circumferential
Between the leading edge face for the direction of rotation side of the lateral surface in outside and the blade part being located in circumferential direction.
9. air-supply arrangement according to claim 8, which is characterized in that
Second shielding portion has the second bending section, and second bending section is from the outer peripheral edge portion of the flange part to institute
The fifth end stated on leading edge face extends,
The fifth end is the outer end of the radial outside of second shielding portion,
Second bending section is the edge on the direction of rotation of second shielding portion.
10. air-supply arrangement according to claim 8, which is characterized in that
In the circumferential between two adjacent blade parts, the first area of the slave end on observation of first shielding portion compares institute
The second area for stating the slave end on observation of the second shielding portion is big.
11. air-supply arrangement according to claim 10, which is characterized in that
First area is the three times of the second area or more.
12. air-supply arrangement according to claim 1, which is characterized in that
The air-supply arrangement further includes casing, and the casing accommodates the impeller and the motor,
The casing has：
First shell part, it is opposite with positioned at the blade part end face of axial side of the blade part across gap；And
Second shell part, it is opposite with positioned at the blade part other end of the axial other side of the blade part across gap,
First shell part has the air entry penetrated through in an axial direction.
13. air-supply arrangement according to claim 1, which is characterized in that
The rear surface of the blade part includes parallel with axial direction from the section view from the direction that the blade part extends
At least one of the back side and first surface and the second curved surface curved surface,
The first surface has the side and axial side outstanding Curved opposite with the direction of rotation in circumferential direction
Shape, and connect with the end of the axial side at the back side,
The side opposite with the direction of rotation in the oriented circumferential direction of second curved mask and axial other side bending outstanding
Shape, and connect with the end of the axial other side at the back side.
14. air-supply arrangement according to claim 12, which is characterized in that
The blade part end face includes the first blade end surface, and the first blade end surface is located at leans on diameter than the air entry
At position outward,
The first blade end surface is rolled relative to the plane with the central axis upright to axial one towards radial outside
Tiltedly,
First shell part also has the first plate portion, and first plate portion is more respective by described first than multiple blade parts
Blade end surface is set in parallel at the position of axial side with the first blade end surface.
15. air-supply arrangement according to claim 12, which is characterized in that
The blade part end face includes the second blade end surface, and the second blade end surface is located at leans on diameter than the air entry
At position outward,
The second blade end surface is towards radial outside relative to the plane with the central axis upright to the axial other side
It tilts,
First shell part also has the second plate portion, and second plate portion is more respective by described second than multiple blade parts
Blade end surface is set in parallel at the position of axial side with the second blade end surface.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762448165P | 2017-01-19 | 2017-01-19 | |
| US62/448,165 | 2017-01-19 | ||
| JP2017-096617 | 2017-05-15 | ||
| JP2017096617A JP2018115651A (en) | 2017-01-19 | 2017-05-15 | Blowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207935121U true CN207935121U (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 (2)
| 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 |
Country Status (2)
| Country | Link |
|---|---|
| JP (3) | JP2018115649A (en) |
| CN (3) | CN207935120U (en) |
Families Citing this family (4)
| 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 |
| 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 |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018115650A (en) | 2018-07-26 |
| CN207935120U (en) | 2018-10-02 |
| JP2018115651A (en) | 2018-07-26 |
| CN207935122U (en) | 2018-10-02 |
| JP2018115649A (en) | 2018-07-26 |
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| Date | Code | Title | Description |
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| 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 |