CN102242737A - Bladeless fan with double air nozzles - Google Patents

Bladeless fan with double air nozzles Download PDF

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Publication number
CN102242737A
CN102242737A CN2011102322078A CN201110232207A CN102242737A CN 102242737 A CN102242737 A CN 102242737A CN 2011102322078 A CN2011102322078 A CN 2011102322078A CN 201110232207 A CN201110232207 A CN 201110232207A CN 102242737 A CN102242737 A CN 102242737A
Authority
CN
China
Prior art keywords
air
puff prot
housing
puff
fan
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.)
Granted
Application number
CN2011102322078A
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Chinese (zh)
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CN102242737B (en
Inventor
李耀强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
He Fengxiang
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Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201310327782.5A priority Critical patent/CN103410711B/en
Priority to CN2011102322078A priority patent/CN102242737B/en
Priority to CN201310083409.XA priority patent/CN103133431B/en
Publication of CN102242737A publication Critical patent/CN102242737A/en
Application granted granted Critical
Publication of CN102242737B publication Critical patent/CN102242737B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention relates to a bladeless fan with double air nozzles. The fan consists of a base, an air flow injection device and an air supercharging device, wherein the air flow injection device is positioned above the base; the air supercharging device is of a water drop shape which is large in middle and small in two ends, is installed at the axial position of the air flow injection device, and is communicated with an air channel on the air flow injection device through an air pipe; a circle of annular first air injection openings are arranged surrounding the air channel; the middle part of the air supercharging device is provided with a shell; one end of the shell is connected with an intake cover, and the other end of the shell is connected with a dust-proof shell; and the shell is provided with a second air injection opening. Through the first air injection openings and the second air injection opening arranged coaxially, the weaker air force phenomenon at the middle part of a fan is avoided effectively.

Description

The no blade fan of the two puff prots of band
Technical field
The present invention relates to a kind of no blade fan, belong to the optimisation technique of fan with two puff prots.
Background technique
Existing fan is by the rotation of driven by motor blade, by blade air pressurized is quickened to blow to then the user, advantage is to bring the sensation of blowing to the user, but there are following 4 deficiencies: the one, the velocity of blade of rotation is very high, run into because of carelessness and can damage, so most fan adopts outer cover to surround blade to reduce danger; The 2nd, blade and outer cover clean difficulty; The 3rd, also can produce throat sound in the blade rotary course, bring interference to the user; The 4th, because air-flow changes when passing blade surface, the wind of producing by boasting is inhomogeneous, and the user can feel a burst of high wind that similar pulse is such.
Application number be 200810177843.3 be to disclose a kind of fan in 200810177844.8 the patent document with application number, form by pedestal and the annular row gas port that is installed on the pedestal, be provided with inner passage and the relief opening of reception in the annular row gas port from the air-flow in the pedestal, the fan air outside is deflated the air-flow suction that mouth ejects, and the air-flow that blows to the user is increased.The advantage of this design is not have exposed blade, has stronger visual impact, utilize Coanda effect to change the flow direction of relief opening air-out well, and drive the fan air outside and flow, make the user experience comparatively stable blowing effect to the user.But because blower fan is placed in the pedestal, each is partly different with the distance of pedestal in the air channel, so the blast that the different air-out point of annular row gas port blows out is also just different; In addition,, blow to user's wind because this design is the exhaust outlet of annular, middle part wind-force relatively a little less than.
In my application number is 201120265128.2 patent document, a kind of fan is disclosed, Air pressurizer is placed in the shaft core position of relief opening, Air pressurizer and relief opening are by pneumatic tube UNICOM, make the blast everywhere of annular row gas port approaching, air-out is more even, owing to still adopt the design of the relief opening of annular, so, middle part wind-force still relatively a little less than.
Therefore, the needs searching is a kind of can avoid the more weak fan of fan middle part wind-force.
Summary of the invention
The purpose of this invention is to provide a kind of fan, can avoid the more weak phenomenon of fan middle part wind-force.
Technological scheme of the present invention is: a kind of no blade fan with two puff prots, form by pedestal 1, air flow jetting device 2 and Air pressurizer 3, described air flow jetting device 2 is positioned at the top of pedestal 1, described Air pressurizer 3 is water droplet shape small in ends broad in the middle, be placed in the shaft core position of air flow jetting device 2, by air flue 25 UNICOMs on pneumatic tube 38 and the air flow jetting device 2, be provided with first puff prot 23 of a circle annular around air flue 25; Described Air pressurizer 3 middle parts are housing 32, and an end of housing 32 is connected with airscoop shroud 31, and the other end is connected with dust-proof cover 33, are provided with second puff prot 39 on housing 32.
Described second puff prot 39 is on the housing 32 between airscoop shroud 31 and the pneumatic tube 38.
Described second puff prot 39 is the annular around housing 32.
Described second puff prot 39 from inside to outside tilts to the direction of pneumatic tube 38 near the edge of airscoop shroud 31 1 sides; Described second puff prot 39 forms the wind-guiding face near the edge of pneumatic tube 38 1 sides to the interior curve thickening, make wind that second puff prot 39 comes out along the surface flow of housing 32 to dust-proof cover 33.
Beneficial effect
1, is provided with the first coaxial puff prot and second puff prot, effectively avoided the more weak phenomenon of fan middle part wind-force.
Description of drawings
Fig. 1 is a main TV structure schematic representation of the present invention;
Fig. 2 is that partial sectional view is looked on a left side of the present invention;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Among the figure 1, pedestal, 11, connecting base, 12, the connecting base platform, 13, wave motor, 14, regulating block, 15, set screw, 16, strut, 17, base, 2, the air flow jetting device, 21, first air-flow path, 22, second air-flow path, 23, first puff prot, 24, demarcation strip, 25, air flue, 26, connecting tendon, 27, puff prot, 28, outer wall, 29, inwall, 3, Air pressurizer, 31, airscoop shroud, 32, housing, 33, dust-proof cover, 34, filter screen, 35, turbocharger, 36, motor, 37, storage box, 38, pneumatic tube, 39, second puff prot.
Embodiment
As shown in Figure 1 and Figure 2, a kind of no blade fan with two puff prots is made up of pedestal 1, air flow jetting device 2 and Air pressurizer 3, and described air flow jetting device 2 is positioned at the top of pedestal 1, is the loop configuration of hollow; The middle part of described air flow jetting device is first air-flow path 21, is provided with second air-flow path 22 of annular and first puff prot 23 of annular on air flow jetting device 2; Described Air pressurizer 3 is water droplet shape small in ends broad in the middle, is placed in the central position of first air-flow path 21, by air flue 25 UNICOMs of pneumatic tube 38 with air flow jetting device 2, is provided with first puff prot 23 of a circle annular around air flue 25; Described Air pressurizer 3 middle parts are housing 32, and an end of housing 32 is connected with airscoop shroud 31, and the other end is connected with dust-proof cover 33, are provided with second puff prot 39 on housing 32.
Be provided with turbocharger 35 and motor 36 in the described housing 32, be provided with filter screen 34 in the described airscoop shroud 31.
Described second puff prot 39 is on the housing 32 between airscoop shroud 31 and the pneumatic tube 38.
As shown in Figure 3, described second puff prot 39 is the annular around housing 32, and described second puff prot 39 from inside to outside tilts to the direction of pneumatic tube 38 near the edge of airscoop shroud 31 1 sides; Described second puff prot 39 forms the wind-guiding face near the edge of pneumatic tube 38 1 sides to the interior curve thickening, make wind that second puff prot 39 comes out along the surface flow of housing 32 to dust-proof cover 33.Be provided with the connection dividing plate between the both sides of the edge of second puff prot 39, being connected and fixed by second puff prot, 39 separated two part housings 32.
The inner space UNICOM of described pneumatic tube 38 and housing 32.Inhaled air all will purify through filter screen 34 earlier, is inhaled into turbocharger 35 again, and some blows into pneumatic tube 38 after supercharging, is sent to air channel 25 again, blows out through first puff prot 23, and another partly blows out from second puff prot 39.
In described storage box, place aromatizing agent, culicifuge or negative ion generator, indoor harmful gas is carried out decomposition-reduction.
The intake grill of second air-flow path 22 is positioned at the outer wall of air flow jetting device 2, and exhaust outlet is positioned at the inwall of air flow jetting device 2.Make the outer air of air flow jetting device 2 outer walls, can pass through second air-flow path 22, import in first air-flow path 21.
Described second air-flow path 22 is separated by demarcation strip 24 and air flue 25, and described demarcation strip 24 is connected with ring jet mouth 27 by connecting tendon 26.
Described air flue 25 is the air-flow paths that are positioned at air flow jetting device 2 inside, and being linked in sequence by outer wall 28, demarcation strip 24 and inwall 29 forms.
One end of described outer wall 28 is connected with demarcation strip 24, and the other end is crooked and wrap up the art end of inwall 29 to the direction of inwall 29.The end of outer wall 29 is the circular arc bending towards the direction of a side direction outer wall 28 of air flue 25, and the high-pressure air in the air flue 25 can be flowed out swimmingly along the inboard camber line of inwall 29, through 23 ejections of first puff prot.
The air-flow that the present invention blows to the user comprises four parts, and first partly is the main air flow from 23 ejections of first puff prot; Second partly is the high velocity air of second puff prot, 39 ejections; The 3rd partly is that the high velocity air that first puff prot 23 and second puff prot 39 spray attracts the air-flow at fan rear to enter first air-flow path 21; The 4th partly is the high velocity air of first puff prot 23 ejection when flowing through the exhaust outlet of second air-flow path 22, the air-flow of fan side is entrainmented enter second air-flow path 22, imports in first air-flow path 21 again.
During work, motor 36 in the Air pressurizer 3 drives turbocharger 35 work, air is sucked from airscoop shroud 31, a part of after the supercharging by 39 ejections of second puff prot, some is sent to air flue 25 by pneumatic tube 38, again by 23 ejections of first puff prot, and entrainment the air that is positioned at air flow jetting device 2 rears and blow to the user by first air-flow path 21, simultaneously, when the air flow stream of first puff prot, 23 ejections is crossed second air-flow path 22, attract the outer air of air flow jetting device 2 outer walls to flow into second air-flow path 22, import first air-flow path 21 again and blow to the user.
First puff prot 23 and second puff prot 39 are that the axle center with Air pressurizer 3 is the annular concentric puff prot of axle, and the diameter of first puff prot 23 is greater than the diameter of second puff prot 39.Therefore, the solar or lunar halo that sprays to the user mainly contains two, in the big solar or lunar halo that the air-flow that first puff prot 23 sprays forms, second the less solar or lunar halo that also has the air-flow by 39 ejections of second puff prot to form, so just can overcome the more weak phenomenon of fan middle part wind-force, and, under dual puff prot effect, can entrainment more fan ambient air and blow to the user, bring the more even more powerful sensation of wind-force to the user.
The foregoing description only is to be used for interpretation purposes of the present invention, and is not to be limitation of the present invention, and those skilled in the art in essential scope of the present invention, make various variations or alternative, also should belong to protection category of the present invention.

Claims (4)

1. the no blade fan of the two puff prots of band is made up of pedestal (1), air flow jetting device (2) and Air pressurizer (3), and described air flow jetting device (2) is positioned at the top of pedestal (1); Described Air pressurizer (3) is water droplet shape small in ends broad in the middle, be placed in the shaft core position of air flow jetting device (2), by air flue (25) UNICOM on pneumatic tube (38) and the air flow jetting device (2), be provided with first puff prot 23 of a circle annular around air flue (25); Described Air pressurizer (3) middle part is housing (32), and an end of housing (32) is connected with airscoop shroud (31), and the other end is connected with dust-proof cover (33), it is characterized in that: be provided with second puff prot (39) on housing (32).
2. the no blade fan of the two puff prots of band according to claim 1 is characterized in that: described second puff prot (39) is positioned on the housing (32) between airscoop shroud (31) and the pneumatic tube (38).
3. the no blade fan of the two puff prots of band according to claim 1 is characterized in that: described second puff prot (39) is the annular around housing (32).
4. the no blade fan of the two puff prots of band according to claim 1 is characterized in that: described second puff prot (39) from inside to outside tilts to the direction of pneumatic tube (38) near the edge of airscoop shroud (31) one sides; Described second puff prot (39) forms the wind-guiding face near the edge of pneumatic tube (38) one sides to the interior curve thickening, make wind that second puff prot (39) comes out along the surface flow of housing (32) to dust-proof cover (33).
CN2011102322078A 2011-08-15 2011-08-15 Bladeless fan with double air nozzles Expired - Fee Related CN102242737B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201310327782.5A CN103410711B (en) 2011-08-15 2011-08-15 Without blade fan
CN2011102322078A CN102242737B (en) 2011-08-15 2011-08-15 Bladeless fan with double air nozzles
CN201310083409.XA CN103133431B (en) 2011-08-15 2011-08-15 Air supercharging device of bladeless fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102322078A CN102242737B (en) 2011-08-15 2011-08-15 Bladeless fan with double air nozzles

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN201310083409.XA Division CN103133431B (en) 2011-08-15 2011-08-15 Air supercharging device of bladeless fan
CN201310327782.5A Division CN103410711B (en) 2011-08-15 2011-08-15 Without blade fan

Publications (2)

Publication Number Publication Date
CN102242737A true CN102242737A (en) 2011-11-16
CN102242737B CN102242737B (en) 2013-10-16

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CN2011102322078A Expired - Fee Related CN102242737B (en) 2011-08-15 2011-08-15 Bladeless fan with double air nozzles
CN201310083409.XA Expired - Fee Related CN103133431B (en) 2011-08-15 2011-08-15 Air supercharging device of bladeless fan
CN201310327782.5A Expired - Fee Related CN103410711B (en) 2011-08-15 2011-08-15 Without blade fan

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Application Number Title Priority Date Filing Date
CN201310083409.XA Expired - Fee Related CN103133431B (en) 2011-08-15 2011-08-15 Air supercharging device of bladeless fan
CN201310327782.5A Expired - Fee Related CN103410711B (en) 2011-08-15 2011-08-15 Without blade fan

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878062A (en) * 2012-11-03 2013-01-16 任文华 Bladeless fan
CN103410753A (en) * 2013-08-28 2013-11-27 苏州萤火虫贸易有限公司 Safety type electric fan
CN103410755A (en) * 2013-08-28 2013-11-27 苏州萤火虫贸易有限公司 Safe electric fan
CN103410710A (en) * 2013-08-28 2013-11-27 苏州萤火虫贸易有限公司 Double-end air outlet face cover
CN103671040A (en) * 2013-11-06 2014-03-26 陈玫 Inner-impeller fan with multipurpose blast pipes
CN103775313A (en) * 2012-10-24 2014-05-07 李耀强 Bladeless fan with air incoming from outer side wall
CN103775315A (en) * 2012-10-24 2014-05-07 李耀强 Bladeless fan with hollow impeller
CN105697401A (en) * 2013-08-28 2016-06-22 乐清市华尊电气有限公司 Safety double-end electric fan with electric cooling fins
CN105715566A (en) * 2013-08-28 2016-06-29 胡妍 Blade-free double-head fan
CN105736429A (en) * 2013-08-28 2016-07-06 乐清市华尊电气有限公司 Safe double-end electric fan with small noises and large air volume
CN105864077A (en) * 2013-08-28 2016-08-17 胡妍 Low-noise safety electric fan
CN105918279A (en) * 2016-05-30 2016-09-07 顾金毛 Bladeless fan with function of mosquito killer
CN106050741A (en) * 2013-08-28 2016-10-26 申清章 Bladeless fan
CN103410753B (en) * 2013-08-28 2016-11-30 南安市达腾商务服务有限公司 Safe electric fan
JP2018003838A (en) * 2016-06-29 2018-01-11 廣達電腦股▲ふん▼有限公司 System for providing streamlined air flow
WO2021027051A1 (en) * 2019-08-09 2021-02-18 佛山市清源科技有限公司 Illumination device having silent high-volume air duct structure

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CN103410758B (en) * 2013-08-28 2015-12-02 乐清市华尊电气有限公司 Safe double-head electric fan
CN106224259A (en) * 2013-08-28 2016-12-14 滁州华尊电气科技有限公司 A kind of safe electric fan with refrigerating function
CN106151075A (en) * 2013-08-28 2016-11-23 滁州华尊电气科技有限公司 A kind of bladeless fan
CN103644150B (en) * 2013-12-27 2017-02-01 四川迈铁龙科技有限公司 Efficient jet flow fan

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CN103775313A (en) * 2012-10-24 2014-05-07 李耀强 Bladeless fan with air incoming from outer side wall
CN103775315B (en) * 2012-10-24 2016-08-31 李耀强 Bladeless fan with hollow impellers
CN103775315A (en) * 2012-10-24 2014-05-07 李耀强 Bladeless fan with hollow impeller
CN102878062A (en) * 2012-11-03 2013-01-16 任文华 Bladeless fan
CN105971904A (en) * 2013-08-28 2016-09-28 胡妍 Safe low-noise electric fan
CN103410753B (en) * 2013-08-28 2016-11-30 南安市达腾商务服务有限公司 Safe electric fan
CN103410710A (en) * 2013-08-28 2013-11-27 苏州萤火虫贸易有限公司 Double-end air outlet face cover
CN103410710B (en) * 2013-08-28 2016-02-03 乐清市华尊电气有限公司 Safe double-head electric fan
CN105697401A (en) * 2013-08-28 2016-06-22 乐清市华尊电气有限公司 Safety double-end electric fan with electric cooling fins
CN105715566A (en) * 2013-08-28 2016-06-29 胡妍 Blade-free double-head fan
CN105736429A (en) * 2013-08-28 2016-07-06 乐清市华尊电气有限公司 Safe double-end electric fan with small noises and large air volume
CN105864077A (en) * 2013-08-28 2016-08-17 胡妍 Low-noise safety electric fan
CN105864075A (en) * 2013-08-28 2016-08-17 胡妍 Safety electric fan with high air outlet volumes
CN103410755A (en) * 2013-08-28 2013-11-27 苏州萤火虫贸易有限公司 Safe electric fan
CN103410755B (en) * 2013-08-28 2017-03-01 南安市达腾商务服务有限公司 A kind of safe electric fan
CN105971903A (en) * 2013-08-28 2016-09-28 胡妍 Safe electric fan with refrigerating function
CN103410753A (en) * 2013-08-28 2013-11-27 苏州萤火虫贸易有限公司 Safety type electric fan
CN106050741A (en) * 2013-08-28 2016-10-26 申清章 Bladeless fan
CN106091191A (en) * 2013-08-28 2016-11-09 申清章 A kind of bladeless fan
CN106402000A (en) * 2013-08-28 2017-02-15 乐清市华尊电气有限公司 Safety electric fan
CN106194800A (en) * 2013-08-28 2016-12-07 乐清市华尊电气有限公司 The safe electric fan that a kind of noise is less
CN106286397A (en) * 2013-08-28 2017-01-04 乐清市华尊电气有限公司 A kind of safe electric fan that can freeze
CN106286398A (en) * 2013-08-28 2017-01-04 乐清市华尊电气有限公司 A kind of electricity cold mould electric fan
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CN106286344A (en) * 2013-08-28 2017-01-04 乐清市华尊电气有限公司 A kind of safe electric fan
CN106351855A (en) * 2013-08-28 2017-01-25 乐清市华尊电气有限公司 Safe electric fan with smaller noise
CN106337823A (en) * 2013-08-28 2017-01-18 乐清市华尊电气有限公司 Safe electric fan capable of refrigerating
CN103671040B (en) * 2013-11-06 2017-01-11 陈玫 Inner-impeller fan with multipurpose blast pipes
CN103671040A (en) * 2013-11-06 2014-03-26 陈玫 Inner-impeller fan with multipurpose blast pipes
CN105918279A (en) * 2016-05-30 2016-09-07 顾金毛 Bladeless fan with function of mosquito killer
JP2018003838A (en) * 2016-06-29 2018-01-11 廣達電腦股▲ふん▼有限公司 System for providing streamlined air flow
US10989221B2 (en) 2016-06-29 2021-04-27 Quanta Computer Inc. Cooling system for streamlined airflow
WO2021027051A1 (en) * 2019-08-09 2021-02-18 佛山市清源科技有限公司 Illumination device having silent high-volume air duct structure

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