CN102562683B - Electric fan without blades - Google Patents
Electric fan without blades Download PDFInfo
- Publication number
- CN102562683B CN102562683B CN201210037686.2A CN201210037686A CN102562683B CN 102562683 B CN102562683 B CN 102562683B CN 201210037686 A CN201210037686 A CN 201210037686A CN 102562683 B CN102562683 B CN 102562683B
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- Prior art keywords
- flow
- air
- annular pass
- guide plate
- barge board
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- 230000008676 import Effects 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an electric fan without blades, which comprises a device for forming airflow and an annular nozzle. The annular nozzle comprises an annular channel for receiving the airflow and an opening for transmitting the airflow, a plurality of wind boards are disposed in the annular channel and are annularly distributed in the annular channel, the annular channel is divided into multiple air receivers by the wind boards, the opening is divided into a plurality of mouths which are mutually independent by the wind boards, each air receiver corresponds one mouth, the mouths are annularly distributed to form a mouth combination, and the wind boards stop partial airflows which flow from bottom to top in the annular channel, and guide the airflows in the air receivers to the mouths to be sprayed. The electric fan without blades has the advantages that the wind boards arranged in the annular channel stop the partial airflow flowing upwards, pressures of the airflows in the air receivers of the annular channel are equal as much as possible, the quantities of the airflows sprayed from the mouths are equal relatively, finally, the quantity of air which is sucked via the sprayed airflows can be greatly increased, and energy efficiency ratio of the electric fan is improved.
Description
Technical field
The present invention relates to a kind of electric fan, especially relate to a kind of Bladeless electric fan.
Background technique
Compared with traditional electric fan, there is low noise and the feature such as Security is good without leaf electric fan.China Patent No. is 200990100311.8 the utility model patent that a kind of name is called " fan without blades assembly and nozzle thereof " that discloses, its structure comprises the device and the nozzle that are used to form air-flow, this nozzle comprises inner passage for receiving air-flow and for launching the mouth of air-flow, nozzle is around an Axis Extension, to limit an opening, the air-flow of being launched from mouth from the air of fan component outside is dragged to inhale and is passed through opening, nozzle comprises a surface, mouth is arranged on this surface with guiding air-flow, this surface comprises diffusion section and guide portion, this diffusion section is taperedly away from axis, this guide portion is also angled with it in diffusion section downstream.Nozzle is ring nozzle, but known according to the wall attachment effect of Condar and Bernoulli's equation wp=0.5rov2, air-flow in ring nozzle has upwards mobile characteristic, stream pressure is increased gradually from lower to upper in ring nozzle, the air-flow ejecting from mouth from bottom to top has larger difference in flow, because the outside air quantity that the uneven distribution of air-flow can cause jet-stream wind to aspirate is smaller, therefore the Energy Efficiency Ratio of electric fan can be lower.
Summary of the invention
Technical problem to be solved by this invention is to provide the Bladeless electric fan that a kind of air output is large, Energy Efficiency Ratio is high.
The present invention solves the problems of the technologies described above adopted technological scheme: a kind of Bladeless electric fan, comprise the device and the ring nozzle that are used to form air-flow, this ring nozzle comprises annular pass for receiving air-flow and for launching the opening of air-flow, in described annular pass, be provided with multiple barge boards, described multiple barge board annular spread are in annular pass, described barge board is divided into multistage by described annular pass and holds air chamber, opening is divided into separate multiple mouths by described barge board, the corresponding mouth of each appearance air chamber, described multiple mouths form mouth combination along annular spread, barge board by annular pass from lower to upper mobile part air-flow block, the air-flow holding in air chamber is directed to each mouth ejection by described barge board.Barge board by annular pass from lower to upper mobile part air-flow block, avoid too much air-flow to be gathered in the top of annular pass, make each air pressure equalization of holding in air chamber in annular pass as far as possible, finally make the throughput of each mouth ejection equate.
The area of described barge board accounts for 1/5～2/3 of annular pass sectional area.Barge board can block upwards mobile air-flow of part, is unlikely to again to make the air-flow on top, annular pass very few.
Described nozzle comprises outer ring panel and internal spherical surface plate, and described annular pass is surrounded by outer ring panel and internal spherical surface plate, and described barge board is fixed on the back side of internal spherical surface plate.
Described barge board is inclined at the back side of internal spherical surface plate, barge board near the level height of mouth end higher than the level height away from mouth end.The barge board being obliquely installed can more successfully import to each mouth by the air-flow in each appearance air chamber by air-flow, meets the characteristic of air-flow.
Described barge board is curved shape.Make air current flow better, meet the characteristic of air-flow.Barge board can import to air-flow each mouth better.
Described barge board is spiral of Archimedes shape.Meet the barge board water conservancy diversion better effects if of spiral of Archimedes shape.
The device that forms air-flow comprises turbosupercharging motor, turbosupercharging motor imports to described inner passage by flow guide device by air-flow, flow guide device is arranged on the top of turbosupercharging motor, and ring nozzle is arranged on the top of flow guide device, and bottom, annular pass is stretched in flow guide device upper end.
Described turbosupercharging motor comprises motor cover and exhaust outlet, described exhaust outlet is distributed in the periphery of motor cover ringwise, the exhaust outlet of turbosupercharging motor upward, described flow guide device comprises cirque body, one level and smooth extension in cirque body both sides is provided with the first guide plate, two the first guide plates are symmetrical arranged on cirque body, cirque body is seated in motor cover, the free end of two described the first guide plates stretches into respectively the two bottom sides of annular pass, the free end of the first described guide plate is close on internal spherical surface plate, the air-flow guiding annular pass that the first guide plate sprays the exhaust outlet that is positioned at the turbosupercharging motor under it.
The another both sides of described cirque body are provided with the second guide plate, the second guide plate is between two the first guide plates, the second guide plate is arranged on the top of the exhaust outlet of turbosupercharging motor, the air-flow guiding annular pass that the second guide plate sprays the exhaust outlet that is positioned at the turbosupercharging motor under it.The second guide plate prevents that the air-flow of the exhaust outlet ejection of the turbosupercharging motor under it from upwards flowing.The first guide plate and the second guide plate all import to the air-flow of all exhaust outlet ejections of turbosupercharging motor in annular pass.
The second guide plate is inclined at cirque body outside, one end level height of the second guide plate is lower than the other end level height of the second guide plate, the level height of the second guide plate is provided with vertical isolating plate compared with low side, described outer ring panel and internal spherical surface plate are wholely set, the free end of outer ring panel is provided with the free end outside at internal spherical surface plate, and the gap between the free end of outer ring panel and the free end of internal spherical surface plate forms described annular opening.The setting of vertical isolating plate, can prevent that the air-flow of opposite side from flowing from the upper surface of the second guide plate.
Compared with prior art, advantage of the present invention is the characteristic according to high pressure draught, the high pressure draught of traditional bottom, electric fan annular pass is gathered in the top of annular pass from lower to upper, the barge board arranging in annular pass blocks upwards mobile part air-flow, make annular pass respectively hold the stream pressure equalization in air chamber as far as possible, relatively impartial from the throughput of each mouth ejection, the air quantity finally aspirating by the air-flow spraying also can increase greatly, has improved the Energy Efficiency Ratio of electric fan.
Brief description of the drawings
Fig. 1 is structural drawing of the present invention;
Fig. 2 is topography of the present invention;
Fig. 3 is the stereogram of ring nozzle of the present invention;
Fig. 4 is the topography of ring nozzle of the present invention;
Fig. 5 is the structural drawing of turbosupercharging motor of the present invention and flow guide device;
Fig. 6 is the stereogram of flow guide device of the present invention;
Fig. 7 is sectional view of the present invention;
Fig. 8 is the partial sectional view of ring nozzle of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
A kind of Bladeless electric fan, comprise the device 1 and the ring nozzle 2 that are used to form air-flow, this ring nozzle 2 comprises annular pass 3 for receiving air-flow and for launching the opening 4 of air-flow, in annular pass 3, be provided with multiple barge boards 5, multiple barge board 5 annular spread are in annular pass 3, barge board 5 is divided into multistage by annular pass and holds air chamber 6, opening 4 is divided into separate multiple mouths by barge board 5, the corresponding mouth of each appearance air chamber 6, multiple mouths form mouth combination along annular spread, barge board 6 by annular pass 3 from lower to upper mobile part air-flow block, the air-flow holding in air chamber 6 is directed to each mouth ejection by barge board 5.
The area of barge board 5 accounts for 1/5 or 1/3 or 2/3 of annular pass sectional area.
Ring nozzle 2 comprises outer ring panel 8 and internal spherical surface plate 9, and annular pass is surrounded by outer ring panel 8 and internal spherical surface plate 9, and barge board 5 is fixed on the back side of internal spherical surface plate 9.
Barge board 5 is inclined at the back side of internal spherical surface plate 9, barge board 5 near the level height of mouth end higher than the level height away from mouth end.
Barge board 5 is curved shape.
Barge board 5 is spiral of Archimedes shape.
The device 1 that forms air-flow comprises turbosupercharging motor 10, turbosupercharging motor 10 imports to annular pass 3 by flow guide device 11 by air-flow, flow guide device 11 is arranged on the top of turbosupercharging motor 10, ring nozzle 2 is arranged on the top of flow guide device 11, and bottom, annular pass is stretched in flow guide device 11 upper ends.
Turbosupercharging motor 10 comprises motor cover 12 and exhaust outlet 13, exhaust outlet 13 is distributed in the periphery of motor cover 12 ringwise, the exhaust outlet 13 of turbosupercharging motor 10 upward, flow guide device 11 comprises cirque body 14, the level and smooth extension of cirque body 14 both sides one is provided with the first guide plate 15, two the first guide plates 15 are symmetrical arranged on cirque body 14, cirque body 14 is seated in motor cover 12, the free end of two the first guide plates 15 stretches into respectively the two bottom sides of annular pass, the free end of the first guide plate 15 is close on internal spherical surface plate 9, the air-flow guiding annular pass that the first guide plate 15 sprays the exhaust outlet 13 that is positioned at the turbosupercharging motor 10 under it.
The another both sides of cirque body 14 are provided with the second guide plate 16, the second guide plate 16 is between two the first guide plates 15, the second guide plate 16 is arranged on the top of the exhaust outlet 13 of turbosupercharging motor 10, the air-flow guiding annular pass 3 that the second guide plate 16 sprays the exhaust outlet that is positioned at the turbosupercharging motor 10 under it.
The second guide plate 16 is inclined at cirque body 14 outsides, one end level height of the second guide plate 16 is lower than the other end level height of the second guide plate 16, the level height of the second guide plate 16 is provided with vertical isolating plate 17 compared with low side, outer ring panel 8 and internal spherical surface plate 9 are wholely set, the free end of outer ring panel 8 is provided with the free end outside at internal spherical surface plate 9, and the gap between the free end of outer ring panel 8 and the free end of internal spherical surface plate 9 forms opening 4.
Claims (7)
1. a Bladeless electric fan, comprise the device and the ring nozzle that are used to form air-flow, this ring nozzle comprises annular pass for receiving air-flow and for launching the opening of air-flow, it is characterized in that being provided with multiple barge boards in described annular pass, described multiple barge board annular spread are in annular pass, described barge board is divided into multistage by described annular pass and holds air chamber, opening is divided into separate multiple mouths by described barge board, the corresponding mouth of each appearance air chamber, described multiple mouths form mouth combination along annular spread, barge board by annular pass from lower to upper mobile part air-flow block, the air-flow holding in air chamber is directed to each mouth ejection by described barge board,
The area of described barge board accounts for 1/5～2/3 of annular pass sectional area;
Described ring nozzle comprises outer ring panel and internal spherical surface plate, and described annular pass is surrounded by outer ring panel and internal spherical surface plate, and described barge board is fixed on the back side of internal spherical surface plate;
Described barge board is inclined at the back side of internal spherical surface plate, barge board near the level height of mouth end higher than the level height away from mouth end.
2. a kind of Bladeless electric fan according to claim 1, is characterized in that described barge board is curved shape.
3. a kind of Bladeless electric fan according to claim 2, is characterized in that described barge board is spiral of Archimedes shape.
4. a kind of Bladeless electric fan according to claim 3, it is characterized in that the device that forms air-flow comprises turbosupercharging motor, turbosupercharging motor imports to described annular pass by flow guide device by air-flow, flow guide device is arranged on the top of turbosupercharging motor, ring nozzle is arranged on the top of flow guide device, and bottom, annular pass is stretched in flow guide device upper end.
5. a kind of Bladeless electric fan according to claim 4, it is characterized in that described turbosupercharging motor comprises motor cover and exhaust outlet, described exhaust outlet is distributed in the periphery of motor cover ringwise, the exhaust outlet of turbosupercharging motor upward, described flow guide device comprises cirque body, one level and smooth extension in cirque body both sides is provided with the first guide plate, two the first guide plates are symmetrical arranged on cirque body, cirque body is seated in motor cover, the free end of two described the first guide plates stretches into respectively the two bottom sides of annular pass, the free end of the first described guide plate is close on internal spherical surface plate, the air-flow guiding annular pass that the first guide plate sprays the exhaust outlet that is positioned at the turbosupercharging motor under it.
6. a kind of Bladeless electric fan according to claim 5, it is characterized in that the described another both sides of cirque body are provided with the second guide plate, the second guide plate is between two the first guide plates, the second guide plate is arranged on the top of the exhaust outlet of turbosupercharging motor, the air-flow guiding annular pass that the second guide plate sprays the exhaust outlet that is positioned at the turbosupercharging motor under it.
7. a kind of Bladeless electric fan according to claim 6, it is characterized in that the second guide plate is inclined at cirque body outside, one end level height of the second guide plate is lower than the other end level height of the second guide plate, the level height of the second guide plate is provided with vertical isolating plate compared with low side, described outer ring panel and internal spherical surface plate are wholely set, the free end of outer ring panel is provided with the free end outside at internal spherical surface plate, and the gap between the free end of outer ring panel and the free end of internal spherical surface plate forms described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037686.2A CN102562683B (en) | 2012-02-20 | 2012-02-20 | Electric fan without blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037686.2A CN102562683B (en) | 2012-02-20 | 2012-02-20 | Electric fan without blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562683A CN102562683A (en) | 2012-07-11 |
| CN102562683B true CN102562683B (en) | 2014-10-15 |
Family
ID=46408976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210037686.2A Expired - Fee Related CN102562683B (en) | 2012-02-20 | 2012-02-20 | Electric fan without blades |
Country Status (1)
| Country | Link |
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| CN (1) | CN102562683B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629166A (en) * | 2012-08-25 | 2014-03-12 | 任文华 | Fan and nozzle applied to same |
| CN102889239A (en) * | 2012-11-02 | 2013-01-23 | 李起武 | Fan |
| CN106870422B (en) * | 2017-04-28 | 2023-09-08 | 广东美的环境电器制造有限公司 | Bladeless fan |
| CN113426793A (en) * | 2021-05-18 | 2021-09-24 | 武汉理工大学 | Welding smoke and dust device that induced drafts based on air multiplication technique |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201786776U (en) * | 2010-07-31 | 2011-04-06 | 张钜标 | Novel jet fan |
| CN201943969U (en) * | 2008-09-23 | 2011-08-24 | 戴森技术有限公司 | Bladeless fan assembly and nozzle thereof |
| CN202031850U (en) * | 2011-04-19 | 2011-11-09 | 叶大勋 | Electric fan without blades |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468365B (en) * | 2007-12-29 | 2011-03-30 | 富准精密工业(深圳)有限公司 | Wind-guiding device and workpiece-cooling device using the wind-guiding device |
-
2012
- 2012-02-20 CN CN201210037686.2A patent/CN102562683B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943969U (en) * | 2008-09-23 | 2011-08-24 | 戴森技术有限公司 | Bladeless fan assembly and nozzle thereof |
| CN201786776U (en) * | 2010-07-31 | 2011-04-06 | 张钜标 | Novel jet fan |
| CN202031850U (en) * | 2011-04-19 | 2011-11-09 | 叶大勋 | Electric fan without blades |
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| CN102562683A (en) | 2012-07-11 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO HONGJU ELECTRICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WEI JIANFENG Effective date: 20140828 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20140828 Address after: Lu Jia Industrial Park No. 28 315040 Zhejiang city of Ningbo province high tech Zone Branch Road Building 4 Applicant after: NINGBO HONGJU ELECTRIC TECHNOLOGY CO., LTD. Address before: 315040, Zhejiang Province, Ningbo province hi tech Zone, 1558 Jiangnan Road, Zhejiang Province, room 1701, science and Technology Park, Zhejiang Applicant before: Wei Jianfeng |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160105 Address after: 315621, Zhejiang, Ningbo province Ninghai County Jia Jia town should be home village Patentee after: NINGBO X.K.L. ELECTRIC APPLIANCE CO., LTD. Address before: Lu Jia Industrial Park No. 28 315040 Zhejiang city of Ningbo province high tech Zone Branch Road Building 4 Patentee before: NINGBO HONGJU ELECTRIC TECHNOLOGY CO., LTD. |
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| 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: 20141015 Termination date: 20200220 |