CN206513623U - Centrifuge movable vane wheel, blade assembly and fan - Google Patents
Centrifuge movable vane wheel, blade assembly and fan Download PDFInfo
- Publication number
- CN206513623U CN206513623U CN201720183913.0U CN201720183913U CN206513623U CN 206513623 U CN206513623 U CN 206513623U CN 201720183913 U CN201720183913 U CN 201720183913U CN 206513623 U CN206513623 U CN 206513623U
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- air
- blade
- centrifuge
- movable vane
- vane wheel
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Abstract
One kind centrifugation movable vane wheel, blade assembly and fan, it is characterised in that impeller includes：Circular base；Around the multiple centrifuge blades set at least in the one side of circular base, wherein, centrifuge blade is the arc shaped blade of contour uniform thickness, centrifuge blade is arrival end close to one end of the inner ring surface of circular base, it is the port of export close to one end of outer ring surface, the angle of contingence of centrifuge blade is linear homogeneous increase from arrival end to the port of export.Rotate to the air work of suction to be converted into swiftly flowing gas by the high speed of multiple centrifuge blades, space between adjacent centrifuge blade is increasing with the flow direction of air-flow, the kinetic energy of swiftly flowing air can be converted into the potential energy of high pressure so during flowing, i.e., swiftly flowing air just obtains high pressure after above-mentioned gap outflow.Another side, because space becomes larger, so air-flow is more steady, the disturbance in corresponding high-speed rotation is also smaller, and air-flow is evenly.
Description
Technical field
The utility model is related to the impeller of impeller, particularly blower fan, belongs to fluid impeller mechanical field.
Background technology
, it is necessary to aspirate air using fan work in the head air purifier that air is filtered actively is aspirated
Air filter is carried out into air filter layer, oral area, the nose of the air supplier after filtering are breathed.
Tang Binhong (Chinese patent, mouth mask aerofoil fan and its mouth mask, CN205446182U, publication date 2016.08.10)
Although the more common fan wind-force of the aerofoil fan of design is enhanced, the resistance of filter layer can be overcome, conveniently had problems on breathing
Children, old elders wear air purifier.However, because it uses axle flow impellers, (i.e. the practicality is new
Aerofoil fan movable vane in type patent)+axial stator (the aerofoil fan stator blade i.e. in the utility model patent) form, in reality
The fan of the form is found after the user's use of border can realize the conveying of larger air capacity, and still, the blast that it can reach is still
So it is not enough to overcome completely the resistance of filter layer (filter cotton such as used in practice), it is small particularly when haze is serious
Particle can block filter layer quickly and make it that resistance is bigger, while the fan efficiency of the form is relatively low.
A general conventional method for solving the not enough problem of above blast is boosted using outlet spiral case, is installed additional out
The fan of gas spiral case can reach larger blast, but be due to outlet spiral case circumferential shape it is uneven, gas outlet is small, can lead
Cause the outlet that air mass flow is not enough and outlet is circumferential uneven, and can make it that the condition range of fan is narrow, efficiency is low, power consumption rises
Height, such case must accordingly improve the power supply capacity of air purifier when wearing, and not only increase cost, can more increase clarifier
Weight and influence consumer's usage experience.
Utility model content
The problem of the utility model is in order to solve above-mentioned, it is therefore intended that provide a kind of by axle flow impellers and centrifugation
The fan that the advantage of movable vane wheel is combined, realizes boost process, the circular cowling of footpath axial direction and axial stator make by centrifuging movable vane wheel
Show that throughput is big, and outlet is uniform, and then make it that the variable working condition scope of whole fan is wide, efficiency high.
One kind centrifugation movable vane wheel, rotation is connected with prime mover, for producing air-flow, it is characterised in that including：Annular base
Seat；Around the multiple centrifuge blades set at least in the one side of circular base, wherein, centrifuge blade is the arc of contour uniform thickness
Blade, centrifuge blade is arrival end close to one end of the inner ring surface of circular base, is the port of export, centrifugation close to one end of outer ring surface
The angle of contingence of blade is linear homogeneous increase from arrival end to the port of export.
The centrifugation movable vane wheel that the utility model is provided, can also have the feature that, it is characterised in that：Wherein, centrifuge
The thickness of blade is along the uniform uniform thickness distribution of mean camber line.
The centrifugation movable vane wheel that the utility model is provided, can also have the feature that, it is characterised in that：Wherein, centrifuge
The arrival end of blade is circular arc, and the port of export is sophisticated acute angle.
The centrifugation movable vane wheel that the utility model is provided, can also have the feature that, it is characterised in that：Wherein, centrifuge
The port of export of blade is concordant with the outer ring surface of circular base.
The centrifugation movable vane wheel that the utility model is provided, can also have the feature that, it is characterised in that：Wherein, it is annular
The inner ring surface edge of pedestal is provided with annular projection shell, the annular projection shell be arranged on in centrifuge blade identical one side.
The utility model also provides a kind of blade assembly, and rotation is connected with prime mover, for producing air-flow and uniformly arranging
Go out, it is characterised in that including：Axial stator, surround with center ring and on the outer wall of the center ring the multiple axial directions set
Guide vane；Circular cowling, in the annular of center protrusion, coordinates and is fixedly connected with axial stator；And above-mentioned centrifugation movable vane wheel,
It is arranged in the space between circular cowling and axial stator, via the high speed and high pressure air-flow after centrifugation movable vane wheel by axially leading
Discharged after being pressurized after leaf by reduction of speed from the gap of multiple axial guide vanes of axial stator.
The blade assembly that the utility model is provided, can also have the feature that, it is characterised in that：Wherein, axially lead
Blade also includes outer ring plate, and it is fixedly connected with circular cowling, and one end of axial guide vane connection center ring is root, and the other end is
Leaf tip, the angle of contingence of axial guide vane is that linear homogeneous reduces from its root to leaf tip, and outer ring plate is enclosed on multiple axial directions
It is connected on guide vane and with leaf tip.
The blade assembly that the utility model is provided, can also have the feature that, it is characterised in that：Wherein, axially lead
The deflection angle of blade is 10~20 degree, and circular cowling entirety flare, its inlet -duct area is less than discharge area.
The blade assembly that the utility model is provided, can also have the feature that, it is characterised in that also include：Bonnet
Plate, is arranged on axial stator, matches with circular cowling and covers the hollow space of circular base.
The utility model also provides a kind of fan, for being fixedly mounted on installing component, produces air-flow and uniformly arranges
Go out, it is characterised in that including：Prime mover on installing component is fixedly installed on, with output shaft；Above-mentioned blade assembly, its
Installed part is provided with centrifugation movable vane wheel and the output shaft connection having, the outward flange for the circular cowling that blade assembly has,
For assembling linking.
Utility model is acted on and effect
According to centrifugation movable vane wheel provided by the utility model, due to circular base and being circumferentially positioned at circular base
One side on multiple centrifuge blades, the angle of contingence of centrifuge blade is linear homogeneous increase from arrival end to the port of export, is passed through
The high speed of multiple centrifuge blades rotates to the air work of suction to be converted into swiftly flowing gas, in adjacent centrifuge blade
Between space be increasing with the flow direction of air-flow, the swiftly flowing air so during flowing
Kinetic energy can be converted into the potential energy of high pressure, i.e., swiftly flowing air just obtains high pressure after above-mentioned gap outflow.Another side,
Because space becomes larger, so air-flow is more steady, the disturbance in corresponding high-speed rotation is also smaller, air-flow
Evenly.
According to blade assembly provided by the utility model, due to above-mentioned centrifugation movable vane wheel and axial stator and
Circular cowling, the air flow channel that this three is formed each other includes air inlet section, centrifugation movable vane wheel, the circular cowling of footpath axial direction and axially led
This four parts of leaf.
Wherein, air inlet section is that fan air intake is entering the degree of lip-rounding to movable vane wheel inlet part, the centrifugation movable vane wheel of rotation is centrifuged
The air of the axial direction flowing via circular cowling is endlessly sucked into lasting negative pressure, it is dynamic to enter centrifugation by air inlet section
In impeller, runner air drag is reduced.
The mechanical energy of the air of high-speed motion is loaded into air by centrifugation movable vane wheel, makes the air of the outlet of centrifugation movable vane wheel
Pressure energy and speed kinetic energy are significantly increased, and a part of kinetic energy is converted into the pressure potential of air further to improve outlet
The blast of air.
The air for the outlet Radial Flow that the smooth inner wall of the circular arc of the circular cowling of footpath axial direction will centrifuge movable vane wheel is round and smooth
Be changed into axial flowing, can realize further reduction of speed supercharging in the air of the capouch high speed high pressure, make outlet it is uniform,
It is soft.
The air of the axial direction flowing come out from circular cowling enters axial stator, in the presence of multiple axial guide vanes, quilt
Further reduction speed and change direction and be changed into axial flowing, finally through it is uniform after filter layer, mildly conveyed
Inside to Wearable air purifier.
Brief description of the drawings
Fig. 1 is the schematic three dimensional views of fan of the present utility model；
Fig. 2 is the view of Fig. 1 other direction；
Fig. 3 is the sectional view of fan of the present utility model；
Fig. 4 is the view of Fig. 3 other direction；
Fig. 5 is the back shroud in fan of the present utility model and the schematic diagram of axial stator；
Fig. 6 be fan of the present utility model in circular cowling schematic diagram；
Fig. 7 is the schematic diagram for centrifuging movable vane wheel in fan of the present utility model；
Fig. 8 is the cross-sectional view of single centrifuge blade of the present utility model；And
Fig. 9 is the air flow channel schematic diagram of fan of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
Lower embodiment combination accompanying drawing is specifically addressed to the concrete structure of fan of the present utility model.
Embodiment
Fig. 1 is the schematic three dimensional views of fan of the present utility model.
Fig. 2 is the view of Fig. 1 other direction.
Fig. 3 is the sectional view of fan of the present utility model.
Fig. 4 is the view of Fig. 3 other direction.
As Figure 1-4, fan 1 include prime mover (not shown) and blade assembly 100, the output shaft of prime mover and
Blade assembly is connected.Fan is the small-sized fanses suitable for head air purifier in the present embodiment, corresponding, prime mover choosing
With permanent magnet DC motor, its stator is coil, and it is that magnet case (is exactly the cpu of personal computer radiator fan institute to rotate part
Micromachine).
As shown in Figure 2,3, 4, blade assembly 100 includes axial stator 10, circular cowling 20, centrifugation movable vane wheel 30 and bonnet
Plate 40.
Fig. 5 is the back shroud in fan of the present utility model and the schematic diagram of axial stator.
Axial stator 10, with circular center ring 11 and the multiple axial directions being circumferentially positioned on the outer wall of the center ring 11
Guide vane 12 and outer ring plate 13.
As shown in figure 5,8 axial guide vanes 12 that same twisting is evenly arranged with the outer wall of center ring 11.Axial stator
One end of the outer wall of the connection center ring 11 of piece 12 is root, and the other end is leaf tip.The angle of contingence of axial guide vane 12 is from its root
Portion is that linear homogeneous reduces to leaf tip, and dress knuckle (angle of contingence of root and the difference of the leaf tip angle of contingence) is 10-20 degree,
It is 15 degree in the present embodiment.
Circular outer ring plate 13 is enclosed on axial guide vane 12 and is connected with leaf tip, as shown in Figure 5.The present embodiment China and foreign countries
3 through holes uniformly are surrounded with ring plate 13, for installing fixation.
Fig. 6 be fan of the present utility model in circular cowling schematic diagram.
As shown in Figure 3,4, the mounting post coordinated with the through hole on outer ring plate 13 is provided with the outward flange of circular cowling 20, this
Three mounting posts pass through after through hole and circular cowling 20 and axial stator 10 link together.
As shown in fig. 6, circular circular cowling 20 is in the annular of center protrusion, overall flare, its inlet -duct area is less than
Discharge area, the circular import of hollow space and center ring 11 are coaxial.The inlet and outlet of circular cowling 20 uses circular arc
Shape curvilinear plane transition connection, while inwall be also processed as it is smooth.Its marginal portion is surrounded with 3 mounting posts 21 and outer
3 through holes in ring plate 13 are engaged fixation, for being linked up circular cowling 20, the axial assembling of stator 10 and being installed to installation
On part.
Fig. 7 is the schematic diagram for centrifuging movable vane wheel in fan of the present utility model.
As shown in Figure 3,4, circular centrifugation movable vane wheel 30 is arranged in the space between circular cowling 20 and axial stator 10.
As shown in fig. 7, centrifugation movable vane wheel 30 has circular base 31, annular projection shell 32, multiple centrifuge blades 33.
Circular base 31, is the thin slice of annular.
Annular projection shell 32, in drum-shaped, in the one side for the import for being positioned close to circular cowling 20, closing bottom surface face is close
The direction of the import of circular cowling 20, and opening surface is away from the direction of the import of circular cowling 20.As shown in fig. 7, envelope in the present embodiment
It is plane to close bottom surface, may be designed in the arc surface of projection.
The annular projection shell 32 is relative with back shroud 40, and cavity between the two is the space that prime mover is fixedly installed,
In the present embodiment, just it is fixedly disposed at as the miniature permanent magnet DC motor of prime mover 100 on back shroud, the cylinder of motor
Shape rotor is that magnet case is inserted in annular projection shell 32, and the stator of motor is coil is fixedly connected with back shroud 40.
Being circumferentially positioned at centrifuge blade at least multiple centrifuge blades 33 in the one side of circular base 31, the present embodiment is
(on when being arranged on annular projection 32 identical of shell) on of the import of circular cowling 20 is positioned close to, number is
37.As one kind optimization, the centrifuge blade of the present embodiment can also be arranged on circular base 31 away from the one of circular cowling 20
On face, or two sides is all set.
Fig. 8 is the cross-sectional view of single centrifuge blade of the present utility model.
Further, as shown in figure 8, centrifuge blade 33 is the arc shaped blade of contour uniform thickness, the annular of 37 centrifuge blades 37
Direction is identical.The both sides for the mean camber line that dotted line in figure is represented are that the thickness of the i.e. centrifuge blade 33 of uniform thickness is along mean camber line
Uniform uniform thickness distribution.
Centrifuge blade 33 is arrival end close to one end of the inner ring surface of circular base 31, is outlet close to one end of outer ring surface
End, the angle of contingence of centrifuge blade 33 is linear homogeneous increase from arrival end to the port of export.The arrival end of centrifuge blade is circular arc
Shape, the port of export is sophisticated acute angle, and the port of export is concordant with the outer ring surface of circular base 10.
Back shroud 40, it is rounded, as shown in Fig. 2,3,4,5, it is arranged on axial stator 10, it is coaxial and incite somebody to action with circular cowling 20
The marginal portion of circular base 31 is fixedly connected, and the hollow space of circular base 31 is covered.
Fig. 9 is the air flow channel schematic diagram of fan of the present utility model.
Describe the operation principle of fan of the present utility model in detail with reference to Fig. 9 air flow channel schematic diagram.
As shown in figure 9, air flow channel include air inlet section A, the dynamic impeller wheel portion B of centrifugation, the circular cowling part C of footpath axial direction and
This four parts of axial guide vane section D.
First, air inlet section A is that (centrifuge blade enters to movable vane wheel inlet part is centrifuged for fan inlet (import of circular cowling)
Mouthful end), the centrifugation movable vane wheel of rotation forms air that lasting negative pressure flows the axial direction via circular cowling in a steady stream not in import
Disconnected suction, is entered in centrifugation movable vane wheel by air inlet section, reduces runner air drag.
The mechanical energy of the air of high-speed motion is loaded into air by centrifugation movable vane wheel, makes the air of the outlet of centrifugation movable vane wheel
Pressure energy and speed kinetic energy are significantly increased, and a part of kinetic energy is converted into the pressure potential of air further to improve outlet
The blast of air.
The air for the outlet Radial Flow that the smooth inner wall of the circular arc of the circular cowling of footpath axial direction will centrifuge movable vane wheel is round and smooth
Be changed into axial flowing, can realize further reduction of speed supercharging in the air of the capouch high speed high pressure, make outlet it is uniform,
It is soft.
The air of the axial direction flowing come out from circular cowling enters axial stator, in the presence of multiple axial guide vanes, quilt
Further reduction speed and change direction and be changed into axial flowing, last uniform, mildly delivery air stream.
The effect of embodiment and beneficial effect
The centrifugation movable vane wheel provided according to the present embodiment, due to circular base and being circumferentially positioned at circular base
Multiple centrifuge blades on simultaneously, the angle of contingence of centrifuge blade is linear homogeneous increase from arrival end to the port of export, by many
The high speed of individual centrifuge blade rotates to the air work of suction to be converted into swiftly flowing gas, adjacent centrifuge blade it
Between space be increasing with the flow direction of air-flow, swiftly flowing air is dynamic so during flowing
The potential energy of high pressure can be converted into, i.e., swiftly flowing air just obtains high pressure after above-mentioned gap outflow.Another side, is used
Become larger in space, so air-flow is more steady, the disturbance in corresponding high-speed rotation is also smaller, and air-flow is more
Uniformly.
According to blade assembly provided by the utility model, due to above-mentioned centrifugation movable vane wheel and axial stator and
Circular cowling, the air flow channel that this three is formed each other includes air inlet section, centrifugation movable vane wheel, the circular cowling of footpath axial direction and axially led
This four parts of leaf.
Wherein, air inlet section is that fan air intake is entering the degree of lip-rounding to movable vane wheel inlet part, the centrifugation movable vane wheel of rotation is centrifuged
The air of the axial direction flowing via circular cowling is endlessly sucked into lasting negative pressure, it is dynamic to enter centrifugation by air inlet section
In impeller, runner air drag is reduced.
The mechanical energy of the air of high-speed motion is loaded into air by centrifugation movable vane wheel, makes the air of the outlet of centrifugation movable vane wheel
Pressure energy and speed kinetic energy are significantly increased, and a part of kinetic energy is converted into the pressure potential of air further to improve outlet
The blast of air.
The air for the outlet Radial Flow that the smooth inner wall of the circular arc of the circular cowling of footpath axial direction will centrifuge movable vane wheel is round and smooth
Be changed into axial flowing, can realize further reduction of speed supercharging in the air of the capouch high speed high pressure, make outlet it is uniform,
It is soft.
The air of the axial direction flowing come out from circular cowling enters axial stator, in the presence of multiple axial guide vanes, quilt
Further reduction speed and change direction and be changed into axial flowing, finally through it is uniform after filter layer, mildly conveyed
Inside to Wearable air purifier.
Claims (10)
1. one kind centrifugation movable vane wheel, rotation is connected with prime mover, for producing air-flow, it is characterised in that including：
Circular base；
Around the multiple centrifuge blades set at least in the one side of the circular base,
Wherein, the centrifuge blade is the arc shaped blade of contour uniform thickness,
The centrifuge blade is arrival end close to one end of the inner ring surface of the circular base, is outlet close to one end of outer ring surface
End,
The angle of contingence of the centrifuge blade is linear homogeneous increase from the arrival end to the port of export.
2. centrifugation movable vane wheel according to claim 1, it is characterised in that：
Wherein, the thickness of the centrifuge blade is along the uniform uniform thickness distribution of mean camber line.
3. centrifugation movable vane wheel according to claim 1, it is characterised in that：
Wherein, the arrival end of the centrifuge blade is circular arc, and the port of export is sophisticated acute angle.
4. centrifugation movable vane wheel according to claim 1, it is characterised in that：
Wherein, the port of export of the centrifuge blade is concordant with the outer ring surface of the circular base.
5. centrifugation movable vane wheel according to claim 1, it is characterised in that：
Wherein, the inner ring surface edge of the circular base is provided with annular projection shell, the annular projection shell be arranged on it is described from
In lobus cardiacus piece identical one side.
6. a kind of blade assembly, rotation is connected with prime mover, for producing air-flow and uniformly discharging, it is characterised in that including：
Axial stator, multiple axial guide vanes with center ring and on the outer wall of the center ring around setting；
Circular cowling, in the annular of center protrusion, coordinates and is fixedly connected with the axial stator；And
Centrifugation movable vane wheel in claim 1-5 described in any one, is arranged between the circular cowling and the axial stator
Space in,
Via it is described centrifugation movable vane wheel after high speed and high pressure air-flow after being pressurized after the axial stator by reduction of speed from described
Discharged in the gap of multiple axial guide vanes of axial stator.
7. blade assembly according to claim 6, it is characterised in that：
Wherein, the axial guide vane also includes outer ring plate, and it is fixedly connected with the circular cowling,
One end that the axial guide vane connects the center ring is root, and the other end is leaf tip,
The angle of contingence of the axial guide vane is that linear homogeneous reduces from its root to leaf tip,
The outer ring plate is enclosed on multiple axial guide vanes and is connected with the leaf tip.
8. blade assembly according to claim 6, it is characterised in that：
Wherein, the deflection angle of the axial guide vane is 10~20 degree,
The overall flare of the circular cowling, its inlet -duct area is less than discharge area.
9. blade assembly according to claim 6, it is characterised in that also include：
Back shroud, is arranged on the axial stator, matches with the circular cowling and covers the hollow space of the circular base
Build.
10. a kind of fan, for being fixedly mounted on installing component, produces air-flow and uniformly discharges, it is characterised in that bag
Include：
Prime mover on the installing component is fixedly installed on, with output shaft；
Blade assembly in claim 6-9 described in any one, its centrifugation movable vane wheel having and the output shaft connect
Connect,
Wherein, installed part is provided with the outward flange for the circular cowling that the blade assembly has, for assembling linking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183913.0U CN206513623U (en) | 2017-02-28 | 2017-02-28 | Centrifuge movable vane wheel, blade assembly and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720183913.0U CN206513623U (en) | 2017-02-28 | 2017-02-28 | Centrifuge movable vane wheel, blade assembly and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513623U true CN206513623U (en) | 2017-09-22 |
Family
ID=59867748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720183913.0U Expired - Fee Related CN206513623U (en) | 2017-02-28 | 2017-02-28 | Centrifuge movable vane wheel, blade assembly and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980613A (en) * | 2017-12-04 | 2018-05-04 | 钱敬乐 | One kind is dusted the adjustable intelligent electric pollination device of covering surface |
| CN113958536A (en) * | 2020-07-20 | 2022-01-21 | 株式会社丰田自动织机 | Centrifugal compressor |
-
2017
- 2017-02-28 CN CN201720183913.0U patent/CN206513623U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980613A (en) * | 2017-12-04 | 2018-05-04 | 钱敬乐 | One kind is dusted the adjustable intelligent electric pollination device of covering surface |
| CN113958536A (en) * | 2020-07-20 | 2022-01-21 | 株式会社丰田自动织机 | Centrifugal compressor |
| CN113958536B (en) * | 2020-07-20 | 2023-06-13 | 株式会社丰田自动织机 | Centrifugal compressor |
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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: 20170922 Termination date: 20210228 |