CN104819132B - Pedestal and bladeless fan for bladeless fan - Google Patents
Pedestal and bladeless fan for bladeless fan Download PDFInfo
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- CN104819132B CN104819132B CN201510279825.6A CN201510279825A CN104819132B CN 104819132 B CN104819132 B CN 104819132B CN 201510279825 A CN201510279825 A CN 201510279825A CN 104819132 B CN104819132 B CN 104819132B
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- housing
- impeller
- bladeless fan
- air inlet
- pedestal
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Abstract
The invention discloses a kind of pedestal for bladeless fan, including housing and dynamical system.Dynamical system is contained in housing, and dynamical system includes impeller housing, impeller and motor.The first air inlet is formed with the housing, the housing first air inlet at radially protrudes in cylinder and offering.Impeller housing is erected on housing, impeller is arranged in impeller housing, motor is used to drive impeller, impeller housing is formed with back cavity to prevent airflow reflux, and the bottom section of the impeller housing inwardly and is bent upwards and to form the annular groove that the back cavity and opening are directly blocked by the bottom section of the impeller.The invention also discloses a kind of bladeless fan.In this way, because impeller housing is formed with back cavity, back cavity can prevent airflow reflux, so as to reduce due to the noise that airflow reflux is caused.
Description
Technical field
The present invention relates to fan art, more particularly, to a kind of pedestal and bladeless fan for bladeless fan.
Background technology
Air-flow in the bladeless fan pedestal of prior art can produce noise due to flowing back.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention needs offer one
Plant the pedestal for bladeless fan.
The present invention it is also required to provide a kind of bladeless fan.
According to the pedestal for bladeless fan of better embodiment of the present invention, including housing and dynamical system.It is described dynamic
Force system is contained in the housing, and the dynamical system includes impeller housing, impeller and motor, and the is formed with the housing
One air inlet, the housing first air inlet at radially protrudes in cylinder and offering.The impeller outer
Cage is set on the housing, and the impeller is arranged in the impeller housing, and the motor is used to drive the impeller, described
Impeller housing is formed with back cavity to prevent airflow reflux, and the bottom section of the impeller housing inwardly and is bent upwards and to form described return
The annular groove that stream chamber and opening are directly blocked by the bottom section of the impeller.
The pedestal for bladeless fan of better embodiment of the present invention, because the impeller housing is formed with back cavity,
The back cavity can prevent airflow reflux, so as to reduce due to the noise that airflow reflux is caused.
In some embodiments, the first air inlet is formed with the housing, the impeller formed below second enters
Gas port, the back cavity is used to guide gas to enter second air inlet from first air inlet.
In some embodiments, circumferencial direction distribution of first air inlet along the housing, first air inlet
Choma shape surrounds the back cavity, and the back cavity is located at the underface of second air inlet.
In some embodiments, the back cavity is formed at the bottom of the impeller housing, and the back cavity is in substantially
Up-narrow and down-wide is horn-like.
In some embodiments, the dynamical system also includes diffuser, and the diffuser is produced located at the impeller
Air-flow downstream, the diffuser is connected with the impeller housing.
In some embodiments, the motor housing for fixing the motor, the motor are formed with outside the motor
And the motor housing is located between the diffuser and the impeller, the motor housing is connected with the impeller housing.
According to the bladeless fan of better embodiment of the present invention, including head and the base described in any of the above-described embodiment
Seat, the air-flow that the pedestal connects to produce in impeller with the head sends into the head.
In some embodiments, gas of the ventilation duct so that the impeller to be produced is provided between the pedestal and the head
Stream into the head.
In some embodiments, the head offers the nozzle for spraying the air-flow in the head.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of the pedestal for bladeless fan according to better embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " go up ", " under ", " preceding ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " bottom ", " interior ", " outside ", "
Clockwise the orientation or position relationship of the instruction such as ", " counterclockwise " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second " are only
For descriptive purposes, and it is not intended that indicating or implying that relative importance or hidden conjunction indicate the number of indicated technical characteristic
Amount.Thus, define " first ", the feature of " second " can express or it is hidden close include one or more spy
Levy.In the description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected.Can
To be mechanical connection or electrical connection.Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature its " upper " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first spy
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and it is " following " including fisrt feature directly over second feature and oblique upper, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and
Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter, this
Plant and repeat to be the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity.
In addition, the invention provides various specific techniques and material example, but those of ordinary skill in the art will be appreciated that
To the application and/or the use of other materials of other techniques.
Referring to Fig. 1, the pedestal 10 for bladeless fan of better embodiment of the present invention, including housing 12 and dynamical system
System 14.Dynamical system 14 is contained in housing 12, and dynamical system 14 includes impeller housing 140, impeller 142 and motor 144.Impeller
Shell 140 is set up on housing 12, and impeller 142 is arranged in impeller housing 140, and motor 144 is used to drive impeller 142, impeller
Shell 140 is formed with back cavity 146 to prevent airflow reflux.
The pedestal 10 for bladeless fan of better embodiment of the present invention, because impeller housing 140 is formed with back cavity
146, back cavity 146 can prevent airflow reflux, so as to reduce due to the noise that airflow reflux is caused.
In the present embodiment, the first air inlet 120, second air inlet formed below of impeller 142 are formed with housing 12
Mouth 148, back cavity 146 is used to guide gas to enter the second air inlet 148 from the first air inlet 120.
In this way, entering the second air inlet 148 from the first air inlet 120 by the bootable air-flow of back cavity 146, in impeller
142 high speed rotation forms down the high velocity air moved upwards, and back cavity 146 can prevent airflow reflux, reduce noise.
In the present embodiment, circumferencial direction distribution of first air inlet 120 along housing 12, the ring-type of the first air inlet 120
Back cavity 146 is surrounded, back cavity 146 is located at the underface of the second air inlet 148.Wherein, the first air inlet 120 is by multiple circular holes
Constitute and in grid-like.
In this way, back cavity 146 can preferably guide air-flow to enter the second air inlet 148 from the first air inlet 120.
In the present embodiment, back cavity 146 is formed at the bottom of impeller housing 140, back cavity 146 present substantially it is narrow under
Wide is horn-like.
In this way, back cavity 146 can effectively prevent airflow reflux substantially in up-narrow and down-wide horn-like, thus reduce by
The noise caused in airflow reflux.
In the present embodiment, back cavity 146 is integrally formed with impeller housing 140.
In this way, reducing assembly process, easy installation and removal improves production efficiency, and improve the shock resistance of impeller housing 140
Power and stability.
In the present embodiment, dynamical system 14 also includes diffuser 14a, and diffuser 14a is located at the gas that impeller 142 is produced
The downstream of stream, diffuser 14a is connected with impeller housing 140.
In this way, can be pressurized, slowed down to the high velocity air that impeller 142 is produced provided with diffuser 14a in pedestal 10, guide
High pressure draught is moved upwards.
In the present embodiment, be formed with the motor housing 14b for fixing motor 144 outside motor 144, motor 144 and
Motor housing 14b is located between diffuser 14a and impeller 142, and motor housing 14b is connected with impeller housing 140.
In this way, motor 144 is positioned and supports motor 144 by motor housing 14b, it is to avoid motor 144 shakes in pedestal 10
It is dynamic to cause to damage.
Specifically, housing 12 is formed with ring-type bearing and leaning portion 122 from inner surface, and dynamical system 14 is erected in bearing and leaning portion 122,
Impeller housing 140 is connected in bearing and leaning portion 122.
The bladeless fan of better embodiment of the present invention, including head and the pedestal of any of the above-described embodiment 10, pedestal
10 air-flows for connecting to produce in impeller 142 with head send into head.
The bladeless fan of the utility model better embodiment, because impeller housing 140 is formed with back cavity 146, backflow
Chamber 146 can prevent airflow reflux, so as to reduce due to the noise that airflow reflux is caused.
In the present embodiment, machine is sent into the air-flow for producing impeller 142 provided with ventilation duct between pedestal 10 and head
Head.
Sent into this way, connecting pedestal 10 by ventilation duct with head with the high pressure draught for producing pedestal 10 in head.
In the present embodiment, head offers the nozzle for spraying the air-flow in head.
In this way, the high pressure draught in head can be ejected from nozzle.
Specifically, pedestal 10 is substantially cylindrical, and housing 12 offers outwardly to increase receipts at the first air inlet 120
Hold the space of gas to increase intake.Ventilation duct is tightly connected with the upper end of pedestal 10 and the lower end of head.Head is basic
In a ring, the front end of head offers nozzle, and nozzle is 1mm~1.5mm or so in slot-shaped and gap width.The leaf of pedestal 10
The high velocity air that rotation is produced at a high speed of wheel 142 passes through diffuser 14a supercharging, slowing down enters ventilation duct, is entered by ventilation duct
In the cavity of head, the high pressure draught in the cavity of head is ejected by the nozzle of head, and rolls up the sky around suction head
Gas formation wind.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
It is specific that the description of mode ", " example ", " specific example " or " some examples " etc. means to combine embodiment or example is described
Feature, structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, it is right
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case of not departing from the principle and objective of the present invention, replace and become
Type, the scope of the present invention is limited by claim and its equivalent.
Claims (9)
1. a kind of pedestal for bladeless fan, it is characterised in that including：
The first air inlet is formed with housing, the housing, the housing is in cylinder and is offering first air inlet
Radially protrude at place；And
It is contained in the dynamical system in the housing, the dynamical system includes setting up impeller housing on the housing, set
Put the impeller in the impeller housing, and for driving the motor of the impeller, the impeller housing be formed with back cavity with
Prevent airflow reflux；
The impeller housing bottom section inwardly and be bent upwards to be formed the back cavity and opening by the impeller bottom section directly
The annular groove blocked.
2. the pedestal according to claim 1 for bladeless fan, it is characterised in that be formed with first on the housing and enter
Gas port, impeller second air inlet formed below, the back cavity is used to guide gas from first air inlet to enter
Second air inlet.
3. the pedestal according to claim 2 for bladeless fan, it is characterised in that first air inlet is along the shell
The circumferencial direction distribution of body, the first air inlet ring-type surrounds the back cavity, and the back cavity is located at second air inlet
The underface of mouth.
4. the pedestal according to claim 1 for bladeless fan, it is characterised in that the back cavity is formed at the leaf
The bottom of hub cap, the back cavity is in up-narrow and down-wide horn-like substantially.
5. the pedestal according to claim 1 for bladeless fan, it is characterised in that the dynamical system also includes diffusion
Device, the downstream for the air-flow that the diffuser is produced located at the impeller, the diffuser is connected with the impeller housing.
6. the pedestal according to claim 5 for bladeless fan, it is characterised in that be formed with outside the motor for solid
The motor housing of the fixed motor, the motor and the motor housing are located between the diffuser and the impeller, described
Motor housing is connected with the impeller housing.
7. a kind of bladeless fan, it is characterised in that including：
Head；And
The pedestal for bladeless fan as described in claim 1~6 any one, the pedestal connects to incite somebody to action with the head
The air-flow that impeller is produced sends into the head.
8. bladeless fan according to claim 7, it is characterised in that ventilation duct is provided between the pedestal and the head
The head is sent into the air-flow for producing the impeller.
9. bladeless fan according to claim 8, it is characterised in that the head is offered for spraying in the head
Air-flow nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279825.6A CN104819132B (en) | 2015-05-27 | 2015-05-27 | Pedestal and bladeless fan for bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279825.6A CN104819132B (en) | 2015-05-27 | 2015-05-27 | Pedestal and bladeless fan for bladeless fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819132A CN104819132A (en) | 2015-08-05 |
| CN104819132B true CN104819132B (en) | 2017-08-01 |
Family
ID=53729556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279825.6A Active CN104819132B (en) | 2015-05-27 | 2015-05-27 | Pedestal and bladeless fan for bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819132B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636315B (en) * | 2017-03-28 | 2019-05-07 | 美的集团股份有限公司 | Pedestal and bladeless fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852214A (en) * | 2009-03-04 | 2010-10-06 | 戴森技术有限公司 | Fan assembly |
| CN102900653A (en) * | 2011-07-27 | 2013-01-30 | 戴森技术有限公司 | Fan assembly |
| CN103375390A (en) * | 2012-04-19 | 2013-10-30 | 戴森技术有限公司 | Fan assembly |
| CN203272265U (en) * | 2010-10-18 | 2013-11-06 | 戴森技术有限公司 | Fan assemblies and nozzle for same |
| CN204755395U (en) * | 2015-05-27 | 2015-11-11 | 广东美的环境电器制造有限公司 | A base and bladeless fan for bladeless fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478926B (en) * | 2010-03-23 | 2016-09-28 | Dyson Technology Ltd | Portable Fan Assembly with Detachable Filter Unit |
| CN204219451U (en) * | 2014-10-10 | 2015-03-25 | 胡积献 | Champignon deodorizer |
-
2015
- 2015-05-27 CN CN201510279825.6A patent/CN104819132B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852214A (en) * | 2009-03-04 | 2010-10-06 | 戴森技术有限公司 | Fan assembly |
| CN203272265U (en) * | 2010-10-18 | 2013-11-06 | 戴森技术有限公司 | Fan assemblies and nozzle for same |
| CN102900653A (en) * | 2011-07-27 | 2013-01-30 | 戴森技术有限公司 | Fan assembly |
| CN202833050U (en) * | 2011-07-27 | 2013-03-27 | 戴森技术有限公司 | Fan component |
| CN103375390A (en) * | 2012-04-19 | 2013-10-30 | 戴森技术有限公司 | Fan assembly |
| CN204755395U (en) * | 2015-05-27 | 2015-11-11 | 广东美的环境电器制造有限公司 | A base and bladeless fan for bladeless fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104819132A (en) | 2015-08-05 |
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