CN103629166A - Fan and nozzle applied to same - Google Patents
Fan and nozzle applied to same Download PDFInfo
- Publication number
- CN103629166A CN103629166A CN201210304897.8A CN201210304897A CN103629166A CN 103629166 A CN103629166 A CN 103629166A CN 201210304897 A CN201210304897 A CN 201210304897A CN 103629166 A CN103629166 A CN 103629166A
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- CN
- China
- Prior art keywords
- shell
- perforation
- fan
- nozzle
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
Abstract
The invention relates to a fan which comprises a nozzle and a device used for forming airflow passing through the nozzle. The nozzle comprises an internal channel, an outer shell and a plurality of through holes formed in the outer shell, at least one opening is formed in the outer shell, each through hole is provided with an inlet and an outlet, and the cross section, at the inlet position, of each through hole is larger than the cross section, at the outlet position, of the same through hole. The invention further provides the nozzle applied to the fan.
Description
Technical field
The present invention relates to a kind of fan and for the nozzle of this kind of fan.
Background technique
The Chinese patent application that on May 6th, 2009, publication number was CN101424279A (application number: 200810177844.8) disclose a kind of fan, this kind of fan comprises nozzle and for generation of the device of the air-flow by nozzle, described nozzle comprises for accepting the inner passage of air-flow, form the first shell and the second housing of inner passage, for the coanda surface of launching the relief opening of air-flow and being close to described relief opening location, described relief opening is set to guide air flow stream to cross described coanda surface, described relief opening is limited by the pair of opposing surfaces of the first shell and second housing.
Relief opening and the inner passage of this kind of fan are easily out of shape, and have brought impact to the performance of fan.
Summary of the invention
A first aspect of the present invention is will provide-kind of fan.This kind of fan, it is characterized in that, described fan comprises nozzle and is used to form by the device of the air-flow of described nozzle, described nozzle comprises inner passage for accepting air-flow, limits the shell of described inner passage and be arranged at a plurality of perforation that run through casing wall on shell, described shell at least limits an opening, described perforation is used for launching air-flow, and described perforation has entrance and exit, and the cross section of described perforation in its ingress is greater than the cross section in its outlet port.
This kind of fan is provided for launching the perforation of air-flow on shell, its perforation and shell can integratedly produce, be conducive to fan reliably, efficiently manufacture; Its perforation of the fan of this kind of structure and inner passage are all very firm, are conducive to improve the overall performance of fan; The cross section of described perforation in its ingress is greater than the cross section in its outlet port in addition, is conducive to improve the speed of the air-flow of launching; Be positioned in addition the overall appearance that clean and tidy perforation on shell is conducive to improve fan.
The more than 1 times of the normally described shell average thickness of the degree of depth of described perforation, preferably more than 3 times; The degree of depth of described perforation is conventionally between 3mm to 30mm, preferably between 5mm to 20mm; Spacing between described adjacent perforated is conventionally different in Yu Qi outlet port, its ingress, in the spacing in its outlet port conventionally between 0.5mm to 5mm; Conventionally described a plurality of perforation are equally spaced arranged around described opening.
In a preferred embodiment, the average thickness of described shell is 1.5mm, and the degree of depth of described perforation is 5mm; In another preferred embodiment, the average thickness of described shell is 2mm, and the degree of depth of described perforation is 8mm.The degree of depth that realizes described perforation is greater than the average thickness of described shell, whole shell in uneven thickness that needs nozzle, and the thickness that requires the shell of next-door neighbour's perforation place is greater than the average thickness of the whole shell of nozzle, this is that those skilled in the art will be appreciated that.
Preferably, described shell comprises inner side shell and outside shell, and described inner side shell is surrounded by described outside shell substantially, and described perforation is arranged on the shell of described inner side.
Preferably, described shell comprises front shell and back shell, described front shell be positioned at described back shell before, described perforation is arranged in described front shell.
Preferably, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation can form two intersections with the plane by described axis, and wherein, having an intersection at least is straight line.In a preferred embodiment, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation forms two intersections with the plane by described axis, and wherein, two intersections are all straight line.
Preferably, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation can form two intersections with the plane by described axis, and wherein, having an intersection at least is curve.In a preferred embodiment, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation forms two intersections with the plane by described axis, and wherein, an intersection is straight line, and another intersection is curve; In another preferred embodiment, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation forms two intersections with the plane by described axis, and wherein, two intersections are all curve;
The quantity of described perforation is conventionally between 10 to 2000, preferably between 30 to 150; The shape of described perforation in its outlet port comprises circle, rectangle, part circular, segment rectangle and arc; Described perforation in the aperture in its outlet port conventionally between 1mm to 35mm, preferably between 5mm to 20mm.
The described device that is used to form the air-flow by described nozzle comprises impeller chimney, is positioned at the impeller of impeller chimney and the motor that drives impeller is rotated.Motor can be DC Brushless Motor, can be also alternating current motor; Impeller can be horizontal impeller, can be mixed flow impeller, can also be other impeller, preferably mixed flow impeller.
The shape of described nozzle can be circular, oval, can be that part circular, part are oval, can also be other shape.
Described fan can increase by the technology of shaking the head of existing fan the coverage area of exported wind conventionally.
Described fan can be desk fan, can be wall fan, can be ceiling fan, can be flooring fan, can also be the fan of other type.
A second aspect of the present invention is will provide-kind of the nozzle for fan.This kind of nozzle, it is characterized in that, described nozzle comprises inner passage for accepting air-flow, limits the shell of described inner passage and be arranged at a plurality of perforation that run through casing wall on shell, described shell limits at least one opening, described perforation is used for launching air-flow, described perforation has entrance and exit, and the cross section of described perforation in described ingress is greater than the cross section in described outlet port.
The degree of depth of described perforation is the more than 1 times of described shell average thickness, preferably more than 3 times.
Preferably, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation can form two intersections with the plane by described axis, and wherein, having an intersection at least is straight line.
The described perforation transmitting direction of air-flow and the angle of described axial direction are less than 20 degree conventionally, are preferably less than 10 degree.
The above-mentioned feature about first aspect present invention is also applied to a second aspect of the present invention equally, and vice versa.
Accompanying drawing explanation
Figure l is the schematic diagram of fan of the present invention.
Fig. 2 is the side view of the fan shown in figure l.
Fig. 3 is the sectional view intercepting along A-A line of scheming the fan shown in l.
Fig. 4 shows is the sectional view of the nozzle that intercepts of the B-B line along the fan shown in figure l.
Embodiment
Figure l is that Fig. 2 is the side view of the fan shown in figure l from the schematic diagram of the fan of the present invention of device forward observation, and Fig. 3 is the sectional view intercepting along A-A line of scheming the fan shown in l, and Fig. 4 is the sectional view of the nozzle segment of fan.From Fig. 1 to Fig. 4, can find out, this fan comprises base 1 and is arranged on the nozzle 2 on base 1; Base 1 comprises base portion 3 and main body 4, holds the device for generation of the air-flow by nozzle in main body 4; The described device for generation of the air-flow by nozzle comprises impeller chimney 13, is positioned at the impeller 14 of impeller chimney and the motor 15 of drives impeller rotary work; Nozzle 2 comprises inner passage 7, limits the shell 5 of inner passage 7 and be positioned at a plurality of perforation 8 on shell; Shell 5 defines one and is positioned at central opening 6, and opening 6 has the axis X that is positioned at central part.
From Fig. 3 and Fig. 4, can clearly be seen that, shell 5 comprises inner side shell 9 and outside shell 10, and inner side shell 9 is surrounded by outside shell 10 substantially, bores a hole 8 to be arranged on the shell 9 of inner side; Perforation 8 has entrance 17 and outlet 18, and 8 cross sections in its ingress of boring a hole are greater than the cross section in its outlet port; The thickness of the shell at next-door neighbour perforation 8 places is larger, much larger than the average thickness of the whole shell of nozzle.
From Fig. 4, it can also be seen that, 8 the hole wall surface of boring a hole has formed two intersections 11,12 with the plane by axis X, and wherein, intersection 11 is straight line, and intersection 12 is a curve.The perforation 8 of this kind of structure and the inner side shell 9 as the integrated manufacture of employing mould that are provided with this kind of perforation, its demoulding is easy.
During this kind of fan work, the intake grill 16 of air main body 4 enters in main body 4, enter air in main body 4 sends in the inner passage 7 of nozzle 2 after the device of the air-flow for generation of by nozzle boosts, the air-flow that enters inner passage 7 is perforated 8 transmittings, air from fan outside is entrainmented by opening 6 from 8 air-flows of being launched of boring a hole, and from boring a hole, 8 air-flows of launching and the air-flow being entrainmented form the total air flow of output forward.
Although shown and described and thought at present preferred embodiments of the invention, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from scope of the present invention as defined in appended claims.
Claims (10)
1. a fan, it is characterized in that, described fan comprises nozzle (2) and is used to form by the device of the air-flow of described nozzle, described nozzle comprises inner passage (7) for accepting air-flow, limits the shell (5) of described inner passage and be arranged at a plurality of perforation (8) that run through casing wall on shell, described shell at least limits an opening (6), described perforation is used for launching air-flow, described perforation has entrance (17) and outlet (18), and the cross section of described perforation in its ingress is greater than the cross section in its outlet port.
2. fan as claimed in claim 1, is characterized in that, the degree of depth of described perforation is the more than 1 times of described shell average thickness.
3. fan as claimed in claim 1, is characterized in that, described shell comprises inner side shell (9) and outside shell (10), and described inner side shell is surrounded by described outside shell substantially, and described perforation is arranged on the shell of described inner side.
4. fan as claimed in claim 1, is characterized in that, described shell comprises front shell and back shell, described front shell be positioned at described back shell before, described perforation is arranged in described front shell.
5. the fan as described in one of claim 1 to 4, it is characterized in that, described opening has the axis (X) that is positioned at central part, and the hole wall surface of each perforation can form two intersections (11,12) with the plane by described axis, wherein, having an intersection at least is straight line.
6. the fan as described in one of claim 1 to 4, is characterized in that, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation can form two intersections with the plane by described axis, and wherein, having an intersection at least is curve.
7. the fan as described in one of claim 1 to 4, is characterized in that, the degree of depth of described perforation is between 5mm to 20mm.
8. the nozzle for fan, it is characterized in that, described nozzle comprises inner passage (7) for accepting air-flow, limits the shell (5) of described inner passage and be arranged at a plurality of perforation (8) that run through casing wall on shell, described shell at least limits an opening (6), described perforation is used for launching air-flow, described perforation has entrance (17) and outlet (18), and the cross section of described perforation in its ingress is greater than the cross section in its outlet port.
9. nozzle as claimed in claim 8, is characterized in that, the degree of depth of described perforation is the more than 1 times of described shell average thickness.
10. the nozzle as described in one of claim 8 to 9, is characterized in that, described opening has the axis that is positioned at central part, and the hole wall surface of each perforation can form two intersections with the plane by described axis, and wherein, having an intersection at least is straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304897.8A CN103629166A (en) | 2012-08-25 | 2012-08-25 | Fan and nozzle applied to same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304897.8A CN103629166A (en) | 2012-08-25 | 2012-08-25 | Fan and nozzle applied to same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103629166A true CN103629166A (en) | 2014-03-12 |
Family
ID=50210538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210304897.8A Pending CN103629166A (en) | 2012-08-25 | 2012-08-25 | Fan and nozzle applied to same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103629166A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2433795A (en) * | 1945-08-18 | 1947-12-30 | Westinghouse Electric Corp | Fan |
| CN101749289A (en) * | 2008-12-11 | 2010-06-23 | 戴森技术有限公司 | Fan |
| CN101985949A (en) * | 2010-11-29 | 2011-03-16 | 任文华 | Bladeless fan device |
| CN102562683A (en) * | 2012-02-20 | 2012-07-11 | 魏建峰 | Electric fan without blades |
| CN202789771U (en) * | 2012-08-25 | 2013-03-13 | 任文华 | Air fan and spray nozzle for air fan |
-
2012
- 2012-08-25 CN CN201210304897.8A patent/CN103629166A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2433795A (en) * | 1945-08-18 | 1947-12-30 | Westinghouse Electric Corp | Fan |
| CN101749289A (en) * | 2008-12-11 | 2010-06-23 | 戴森技术有限公司 | Fan |
| CN101985949A (en) * | 2010-11-29 | 2011-03-16 | 任文华 | Bladeless fan device |
| CN102562683A (en) * | 2012-02-20 | 2012-07-11 | 魏建峰 | Electric fan without blades |
| CN202789771U (en) * | 2012-08-25 | 2013-03-13 | 任文华 | Air fan and spray nozzle for air fan |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140312 |