CN102465930A - Electric fan without fan blades - Google Patents
Electric fan without fan blades Download PDFInfo
- Publication number
- CN102465930A CN102465930A CN2011102940145A CN201110294014A CN102465930A CN 102465930 A CN102465930 A CN 102465930A CN 2011102940145 A CN2011102940145 A CN 2011102940145A CN 201110294014 A CN201110294014 A CN 201110294014A CN 102465930 A CN102465930 A CN 102465930A
- Authority
- CN
- China
- Prior art keywords
- panel
- coaming plate
- side inner
- inner panel
- guide ring
- 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
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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
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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
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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
Landscapes
- 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)
Abstract
The invention relates to an electric fan without fan blades. The electric fan without fan blades comprises a frame internally provided with a blower, and a ring-shaped air outlet provided with a ring-shaped air passage, wherein an exhaust port is formed on the inner side of the air outlet, the air outlet comprises a front panel and a back panel, both the front panel and the back panel adopt ring-shaped structures, the cross sections of the front panel and the back panel are V-shaped, both the front panel and the back panel form the ring-shaped air passage in a surrounding manner, each of the front panel and the back panel comprises an inner side plate and an outer side plate, the outer side plates of the front panel and the back panel are hermetically connected with each other, a small space is kept between the tail ends of the inner side plates of the front panel and the back panel so as to form the exhaust port, the tail end of the inner side plate of the front panel is positioned on one side of the ring-shaped air passage, and a wind guide cavity is arranged at the lower end of the ring-shaped air passage. The invention has the characteristics of small airflow momentum loss, low noise and high air output.
Description
Technical field
The present invention relates to a kind of electric fan, especially relate to a kind of no flabellum electric fan.
Background technique
A kind of electric fan that is known as no flabellum electric fan has also appearred in existing market; It is actually is located at internal body with blade; And draw air-flow through the wind channel that links to each other; This fan can't see fan blade from the teeth outwards, makes people in use, can not foreign matter or finger etc. be contacted with fan blade.Like publication number is that the Chinese patent of CN101713414A discloses a kind of no flabellum electric fan, comprises base, casing, fan motor, centrifugation blade, blowing head, the small motor of shaking the head.Casing is connected with a blowing consubstantiality, is hollow air channel in blowing four circle, and inferior surface of machine case has intake opening; Then, fan motor is installed in the casing the inside in the Fan casing installation casing, and the Fan casing the inside is a centrifugation blade; Centrifugation blade is connected with fan motor is coaxial, and jam nut is equipped with at the spindle nose place that fan motor is connected with centrifugation blade, and the bottom of shell center is connected with the shell axle bed; Bearing is equipped with in shell axle bed the inside, and bearing inner race is connected with central shaft.Central shaft is installed in above the base, and above head-shaking motor was installed in the base bottom then, the small gear of shaking the head was connected with the head-shaking motor output shaft through key pin; The shake the head gearwheel and the big pinion of shaking the head, the gearwheel of shaking the head is installed in above the axle through pivot pin, and the other end of axle also is equipped with bearing; Bearing outer ring is installed in the bearing the inside; Bearing and base then are connected in the bottom, and swing arm is equipped with at the gearwheel center of radius of shaking the head place, the upper end of swing arm and bottom of shell flexible connection.Publication number is that the Chinese patent of CN101424279 discloses a kind of fan assembly that is used to produce air stream.Like Fig. 1, shown in Figure 2, the vaneless fan assembly (100) that is provided comprises nozzle (1) and is used for producing the member through the air-flow of nozzle (1).Nozzle (1) comprises inner passage (10), is used for reception from the relief opening (12) of the air-flow of inner passage (10) and the coanda surface (14) of next-door neighbour's relief opening (12) location, and relief opening (12) is arranged to steering flow and is flow through the coanda surface.This fan provides and need not the device that blade fan just can produce air-flow and cooling air flow, promptly produces air-flow with the on-bladed fan.But the annular passage of this patent directly communicates with the support air channel through an air-vent; Most air-flow all hits earlier in the position corresponding with air-vent, air channel, and directly clamp-ons in the air channel, in this process; Air-flow has the bigger loss of momentum, also can produce bigger noise simultaneously.Simultaneously, the inner passage of this patent (being the air channel) is made up of inside and outside two parts, and its attachment portion is at the left end of inside and outside two parts, and this structure makes it be difficult to guarantee the uniformity of relief opening, influences total air output of this fan greatly.The edge that above-mentioned two parts are in relief opening one side adopts a kind of gradually thin structure, when making air-out, vibrates comparatively violently, and noise is bigger.
Summary of the invention
The present invention solves technical problems such as the existing in prior technology air-flow loss of momentum is big, noise is big, and air output is little, provides that a kind of air-flow loss of momentum is little, noise is little, the no flabellum electric fan that air output is big.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: a kind of no flabellum electric fan, comprise that inside is provided with the support and the annular exhaust outlet that is provided with annular passage of blower fan, and the exhaust outlet inboard is provided with relief opening; It is characterized in that described exhaust outlet is by preceding coaming plate and squab panel; Forward and backward coaming plate is loop configuration, and its cross section is V-arrangement, and forward and backward coaming plate is encircled into described annular passage; Forward and backward coaming plate includes inside and outside side plate; The outer panel of forward and backward coaming plate is tightly connected each other, and the side inner panel end of forward and backward coaming plate keeps a little spacing each other, constitutes described relief opening; The side inner panel end of preceding coaming plate is in annular passage one side; The lower end of described annular passage is provided with a wind guide chamber, the width of this wind guide chamber lower end be annular passage width 1.1-2 doubly, the wind guide chamber lower end is connected with the interior wind chamber of support.The structure that the forward and backward coaming plate that the cross section is V-arrangement is encircled into annular passage helps controlling the spacing of relief opening; Simultaneously; Because air guide ring is independently parts, the width that it can effectively regulate relief opening when mounted makes relief opening reach the accurate of a nearly step.Present blade-free electric fan is this wind guide chamber not all; Air communication is crossed an air-vent that is connected with the interior wind chamber of support and is entered in the annular passage; Most air-flow all hits earlier in the position corresponding with air-vent, air channel, and directly clamp-ons in the air channel, in this process; Air-flow has the bigger loss of momentum, also can produce bigger noise simultaneously.And the wind guide chamber of present technique scheme has drainage; Because its width is 1.1-2 times of the air channel width; After air-flow entered into wind guide chamber, its space enlarged rapidly, made that its impact force to wind guide chamber chamber wall is less; And wind guide chamber its air-flow is had leading role, make that air-flow can be more smooth and easy in flowing to the process of annular passage.
As preferably, described wind guide chamber is inner concave arc surface all around, and seamlessly transits in annular passage.This structure can be so that flowing of air-flow be more smooth and easy, and energy loss is little, noise is little.
As preferably, described before the side inner panel end of coaming plate be connected with an air guide ring, the front end in the cross section of this air guide ring little and press close to before the side inner panel of coaming plate, the rear end is big and towards the outer panel perk of squab panel, the front end and back end of air guide ring seamlessly transits with arc-shaped concave; The ear end face and the inner side surface of air guide ring are arc convex, and seamlessly transit, and the front end of the inner side surface of air guide ring fits with the side inner panel rear end of preceding coaming plate and flushes each other, and the side inner panel of air guide ring and preceding coaming plate is bonding each other.Air guide ring has control action to the air-flow in the annular passage; Air-flow is had shunting action, and promptly the part air-flow is crossed air guide ring and is imported from relief opening, and part produces circulation; And continue to flow along the air channel; Make that air-flow can be uniformly from each position output of relief opening, the uniformity of relief opening discharge quantity of fan has great influence to total air output.
As preferably, the front end of described air guide ring is provided with a step, and this step constitutes the L shaped bonding plane mutually bonding with the side inner panel of preceding coaming plate.This L shaped bonding plane one side links to each other with the outside of the side inner panel of preceding coaming plate; The opposite side this Placement that links to each other with the rear side of the side inner panel of preceding coaming plate makes its structure very firm; Also be beneficial to simultaneously the location of air guide ring, make it guarantee the uniformity of relief opening more easily.
As preferably, a vertical side of described L shaped bonding plane is provided with an excessive glue groove.When bonding air guide ring, the glue that overflows can flow in the glue groove that overflows, and makes the outflow that glue can be not a large amount of.If should not overflow the glue groove, when glue flows out, can flow on the exhaust port, because the width of this exhaust port itself is just very little,, be easy to exhaust port is impacted if glue flows on the exhaust port.
As preferably, the relative side of the side inner panel of described squab panel and air guide ring is provided with the anti-step layer of quivering, and this anti-step layer of quivering is in the front end of the side inner panel of squab panel, and its length is the 1/3-2/3 of the side inner panel length of squab panel.The anti-step layer of quivering has increased the thickness at exhaust outlet place of the side inner panel of squab panel, makes it when air-out, tangible vibration can not take place, and has improved stability, has reduced this fan noise in use.
The beneficial effect that brings of the present invention is that having solved very difficult assurance of existing in prior technology relief opening evenly influences total air output; And the air-flow loss of momentum is big, noise is big; The technical problem that air output is little has realized a kind of easy for installationly, can be good at guaranteeing the uniformity of relief opening; Thereby guarantee and improve total air output of exhaust outlet, and the no flabellum fan that the air-flow loss of momentum is little, noise is little.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of correlation technique;
Accompanying drawing 2 is broken sections of correlation technique;
Accompanying drawing 3 is plan views of the present invention;
Accompanying drawing 4 is sectional views of annular passage of the present invention;
Accompanying drawing 5 is partial sectional views of annular passage of the present invention;
Accompanying drawing 6 is sectional drawings of air guide ring of the present invention.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technological scheme of the present invention.
Embodiment: shown in Fig. 3-6, the present invention is a kind of no flabellum electric fan, comprises that inside is provided with the support 3 and the annular exhaust outlet 1 that is provided with annular passage of blower fan.The lower end of annular passage is provided with a wind guide chamber 5, and the width of these wind guide chamber 5 lower ends is 1.5 times of width of annular passage, and wind guide chamber 5 is inner concave arc surface all around, and seamlessly transits in annular passage, and the wind chambeies are connected in wind guide chamber 5 lower ends and the support 3.Exhaust outlet 1 inboard is provided with relief opening 2, and exhaust outlet 1 is by preceding coaming plate 11 and squab panel 12, and forward and backward coaming plate is loop configuration; Its cross section is V-arrangement; Forward and backward coaming plate is encircled into described annular passage, and forward and backward coaming plate includes inside and outside side plate, and the outer panel of forward and backward coaming plate is tightly connected each other; The side inner panel end of forward and backward coaming plate keeps a little spacing each other, constitutes described relief opening 2.The relative side of the side inner panel of squab panel 11 and air guide ring is provided with the anti-step layer 123 of quivering, and this anti-step layer 121 of quivering is in the front end of the side inner panel of squab panel, its length be squab panel side inner panel length 1/2.The side inner panel end of preceding coaming plate is in annular passage one side; And be connected with an air guide ring 4; The front end in the cross section of this air guide ring 4 little and press close to before the side inner panel of coaming plate; The front end of air guide ring 4 is provided with a step 43, and this step 43 constitutes the L shaped bonding plane mutually bonding with the side inner panel of preceding coaming plate, and a vertical side of L shaped bonding plane is provided with an excessive glue groove 44.The rear end of air guide ring 4 is big and towards the outer panel perk of squab panel, the front end and back end of air guide ring seamlessly transits with arc-shaped concave 45; The ear end face 41 and the inner side surface 42 of air guide ring are arc convex, and seamlessly transit, and the front end of the inner side surface of air guide ring fits with the side inner panel rear end of preceding coaming plate and be concordant, and the side inner panel of air guide ring and preceding coaming plate is bonding each other.
The structure that the forward and backward coaming plate that cross section of the present invention is V-arrangement is encircled into annular passage helps controlling the spacing of relief opening; Simultaneously; Because air guide ring is independently parts, the width that it can effectively regulate relief opening when mounted makes relief opening reach the accurate of a nearly step.Air guide ring has control action to the air-flow in the annular passage; Air-flow is had shunting action, and promptly the part air-flow is crossed air guide ring and is imported from relief opening, and part produces circulation; And continue to flow along the air channel, make air-flow to export from each position of relief opening uniformly.This L shaped bonding plane one side links to each other with the outside of the side inner panel of preceding coaming plate, and the opposite side this Placement that links to each other with the rear side of the side inner panel of preceding coaming plate makes its structure very firm, also is beneficial to the location of air guide ring simultaneously.When bonding air guide ring, the glue that overflows can flow in the glue groove that overflows, and makes the outflow that glue can be not a large amount of.If should not overflow the glue groove, when glue flows out, can flow on the exhaust port, because the width of this exhaust port itself is just very little,, be easy to exhaust port is impacted if glue flows on the exhaust port.
Characteristic such as that so the present invention has is easy for installation, it is stable to give vent to anger, air quantity is big, noise is little, energy loss is little.
Claims (7)
1. no flabellum electric fan comprises that inside is provided with the support of blower fan (3) and is provided with the annular exhaust outlet (1) of annular passage, and exhaust outlet (1) inboard is provided with relief opening (2); It is characterized in that described exhaust outlet (1) is by preceding coaming plate (11) and squab panel (12); Forward and backward coaming plate is loop configuration, and its cross section is V-arrangement, and forward and backward coaming plate is encircled into described annular passage; Forward and backward coaming plate includes inside and outside side plate; The outer panel of forward and backward coaming plate is tightly connected each other, and the side inner panel end of forward and backward coaming plate keeps a little spacing each other, constitutes described relief opening (2); The side inner panel end of preceding coaming plate (11) is in annular passage one side; The lower end of described annular passage is provided with a wind guide chamber (5), the width of this wind guide chamber (5) lower end be annular passage width 1.1-2 doubly, wind guide chamber (5) lower end is connected with the interior wind of support (3) chamber.
2. a kind of no flabellum electric fan according to claim 1 is characterized in that described wind guide chamber (5) is inner concave arc surface all around, and seamlessly transits in annular passage.
3. a kind of no flabellum electric fan according to claim 1 and 2; The side inner panel end that it is characterized in that described preceding coaming plate (11) is connected with an air guide ring (4); The front end in the cross section of this air guide ring is little and press close to the side inner panel of preceding coaming plate (11); The rear end is big and towards the outer panel perk of squab panel (12), the front end and back end of air guide ring (4) seamlessly transits with arc-shaped concave (45); The front-end face (41) and the inner side surface (42) of air guide ring (4) are arc convex; And seamlessly transit; The front end of the inner side surface of air guide ring (42) fits with the side inner panel rear end of preceding coaming plate (11) and flushes each other, and air guide ring (4) is bonding each other with the side inner panel of preceding coaming plate (11).
4. a kind of no flabellum electric fan according to claim 3 is characterized in that the front end of described air guide ring is provided with a step (43), and this step (43) constitutes the L shaped bonding plane mutually bonding with the side inner panel of preceding coaming plate.
5. a kind of no flabellum electric fan according to claim 4 is characterized in that a vertical side of described L shaped bonding plane is provided with an excessive glue groove (44).
6. a kind of no flabellum electric fan according to claim 3; The relative side with air guide ring of side inner panel that it is characterized in that described squab panel is provided with the anti-step layer (123) of quivering; The step layer of should anti-quivering is in the front end of the side inner panel of squab panel, and its length is the 1/3-2/3 of the side inner panel length of squab panel.
7. a kind of no flabellum electric fan according to claim 4; The relative side with air guide ring of side inner panel that it is characterized in that described squab panel is provided with the anti-step layer of quivering; The step layer of should anti-quivering is in the front end of the side inner panel of squab panel, and its length is the 1/3-2/3 of the side inner panel length of squab panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294014.5A CN102465930B (en) | 2011-10-08 | 2011-10-08 | Electric fan without fan blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294014.5A CN102465930B (en) | 2011-10-08 | 2011-10-08 | Electric fan without fan blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102465930A true CN102465930A (en) | 2012-05-23 |
| CN102465930B CN102465930B (en) | 2014-08-20 |
Family
ID=46069927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110294014.5A Expired - Fee Related CN102465930B (en) | 2011-10-08 | 2011-10-08 | Electric fan without fan blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102465930B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468331A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly |
| CN101825095A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| US20100226753A1 (en) * | 2009-03-04 | 2010-09-09 | Dyson Technology Limited | Fan assembly |
| CN201627736U (en) * | 2010-01-27 | 2010-11-10 | 罗兆素 | Bladeless fan |
| CN101988528A (en) * | 2010-12-13 | 2011-03-23 | 任文华 | Blade-free fan device |
| CN201786776U (en) * | 2010-07-31 | 2011-04-06 | 张钜标 | Novel jet fan |
| US20110164959A1 (en) * | 2008-09-23 | 2011-07-07 | Dyson Technology Limited | Fan |
| CN201982340U (en) * | 2011-04-15 | 2011-09-21 | 应方胤 | Bladeless fan |
| CN202301224U (en) * | 2011-10-08 | 2012-07-04 | 杭州金鱼电器集团有限公司 | Electric fan without fan blades |
-
2011
- 2011-10-08 CN CN201110294014.5A patent/CN102465930B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110164959A1 (en) * | 2008-09-23 | 2011-07-07 | Dyson Technology Limited | Fan |
| GB2468331A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly |
| CN101825095A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| US20100226753A1 (en) * | 2009-03-04 | 2010-09-09 | Dyson Technology Limited | Fan assembly |
| CN201627736U (en) * | 2010-01-27 | 2010-11-10 | 罗兆素 | Bladeless fan |
| CN201786776U (en) * | 2010-07-31 | 2011-04-06 | 张钜标 | Novel jet fan |
| CN101988528A (en) * | 2010-12-13 | 2011-03-23 | 任文华 | Blade-free fan device |
| CN201982340U (en) * | 2011-04-15 | 2011-09-21 | 应方胤 | Bladeless fan |
| CN202301224U (en) * | 2011-10-08 | 2012-07-04 | 杭州金鱼电器集团有限公司 | Electric fan without fan blades |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102465930B (en) | 2014-08-20 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| 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: 20140820 Termination date: 20211008 |