CN107847031A - Include the hair-dryer of the air output duct with Coanda effect - Google Patents
Include the hair-dryer of the air output duct with Coanda effect Download PDFInfo
- Publication number
- CN107847031A CN107847031A CN201680043901.6A CN201680043901A CN107847031A CN 107847031 A CN107847031 A CN 107847031A CN 201680043901 A CN201680043901 A CN 201680043901A CN 107847031 A CN107847031 A CN 107847031A
- Authority
- CN
- China
- Prior art keywords
- hair
- dryer
- conduit
- air
- neck
- 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
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
Landscapes
- Cleaning And Drying Hair (AREA)
Abstract
The present invention relates to a kind of hair-dryer (1), the hair-dryer aims to provide powerful and influential drying and experiences performance, while reduces noise.The hair-dryer includes air circulation chamber (3), air circulation system (6) and heating element heater (10), and the air circulation chamber is equipped with entrance area (4) and exit region (5).The hair-dryer also includes the conduit (11) being arranged in the extension of the circular chamber.The conduit has upstream end thereof (12), downstream end (13) and the neck (14) being arranged between the end, the Part I being arranged between the upstream end thereof and the neck of the conduit has angle downwards (α) relative to longitudinal axis (X), the angle downwards are between 40 ° and 88 °, the Part II being arranged between the neck and the downstream end of the conduit has open angle (β) relative to the longitudinal axis, and the open angle is between 1.5 ° and 3.5 °.
Description
Technical field
The present invention relates to the field of hair-dryer and aim to provide powerful and influential drying and experience performance, while reduce equipment
Noise.
Background technology
Traditionally, hair-dryer enters region including air, air circulation chamber, air output zones, air circulation system and
Heating element heater.Air circulation system and heating element heater are integrated in circular chamber.Air circulation system is outer by entering region suction
Portion's air, then convey the air in circular chamber towards downstream from upstream, and the air is by heating element heater, more or less
Heated air is then blown into outside by output area, so as to dry hair.
Known patent application US2013/0111777A1 describes a kind of hair-dryer, and the hair-dryer, which is arranged to increase,
The air mass flow of mouth.Therefore, hair-dryer includes export head, the export head is arranged to produce the Condar for causing air stream to accelerate
Effect, and for increasing the air stream.According to the design, outlet air flowing perpendicular to the air in circular chamber
Flowing, this high speed operation of motor for forcing the high-power of the circulatory system and being provided in the circulatory system so that Coanda effect has
Effect.Therefore the design causes big energy expenditure and sound to endanger, this is nothing the problem of being frequently encountered in prior art hair-dryer
By its design how.
The content of the invention
The present invention overcomes these shortcomings of the hair-dryer of prior art, and is particularly intended to optimization in air output zones
Coanda effect realization.
Therefore, the present invention relates to a kind of hair-dryer, the hair-dryer includes air circulation chamber, and the air circulation chamber is equipped with
There are entrance area and exit region.The hair-dryer also includes air circulation system and heating element heater, the air circulation system
It is configured in the heating element heater in the circular chamber.The air circulation system is configured to the entrance area
Extraneous air is sucked, the air is then conveyed in the circular chamber from upstream towards downstream, while the air passes through the heating
Element, and the air more or less heated is finally blown into outside by the exit region.Known to the hair-dryer
Ground includes the thermoregulation mechanism of heating element heater and the speed regulating mechanism of the air circulation in circular chamber, the temperature adjustment
Mechanism is used for the temperature for changing the air for being blown into exit, and the speed regulating mechanism especially acts on the electricity of driving propeller
The rotary speed of machine.
It is interesting to note that the hair-dryer includes being arranged in the extension of the circular chamber and at the exit region
Conduit.Therefore, the circular chamber and the conduit are arranged along same longitudinal axis.In addition, the conduit has upstream end
Portion, downstream end and the neck being arranged between the upstream end thereof and the downstream end.More properly, the neck is corresponding
In the in-profile with minimum cross-section of the conduit.The conduit be arranged in the upstream end thereof and the neck it
Between Part I there are angle downwards relative to the longitudinal axis of circular chamber, the angle downwards are between 40 ° and 88 °.
The continuous diminution portion of cross section of the Part I therefore with the conduit from upstream end thereof to neck.The angle downwards pair
Should in conduit Part I relative to longitudinal axis used by maximum angle.The conduit is arranged in the neck and institute
State Part II between downstream end has an open angle relative to the longitudinal axis, the open angle between 1.5 ° and
Between 3.5 °.The continuous enlarging section of cross section of the Part II therefore with the conduit from neck to downstream end.Conduit
Cross section Coanda effect is produced at neck from diminution portion to enlarging section.Connect the Part I and Part II of the conduit
Neck have bending shape, it is therefore preferred to have round-shaped, the shape is configured as being advantageous to the generation of the Coanda effect.
Coanda effect caused by the neck causes the air at conduit outlet to accelerate.In addition, open angle allows to increase
The section of conduit greatly in the Part II between downstream end and neck, this causes the air stream at conduit outlet
The increase of amount.Applicant have noticed that the above-mentioned geometric parameter by implementing conduit, i.e., by the range of above-mentioned value
Select angle downwards and open angle, conduit allows the acceleration for producing air in exit in optimal manner and air mass flow
Increase.Therefore the power and size of air circulation system can be reduced, the motor drive mechanism of the air circulation system can be with than existing
The smaller rotary speed working of the rotating speed of technology hair-dryer, while equally can even improve ground and realize drying and impression to hair
Performance.This advantageouslys allow for the sound performance for improving hair-dryer.
In the preferred embodiment of the hair-dryer according to the present invention, the angle downwards are 82 °.Similarly, it is described to beat
Angle of release degree is 2.5 °.One and/or the selection permission optimum results of another parameter in above-mentioned parameter.
In the preferred embodiment of the hair-dryer according to the present invention, the conduit has circular cross section.But can
Consider a kind of conduit, in the case of without departing from the scope of the invention, the conduit has rectangle or triangle even other shapes of
Cross section.
According to the preferred embodiment of hair-dryer, the conduit has circular cross section, and the neck is relative to institute
Stating downstream end, there is the diameter between 2mm and 4mm to reduce.Preferably, it is 2mm that the diameter, which reduces,.
In the embodiment of the hair-dryer according to the present invention, the neck interval of the heating element heater and the conduit between
The distance between 0mm and 5mm.When corresponding to zero distance in the zone of convergence that heating element heater is located at the neck of conduit, Condar
Effect greatly reduces.On the contrary, when distance is more than 5mm, there is no any difference to be noted in Coanda effect.Preferable
In embodiment, the distance is 4mm, and this allows the optimization of Coanda effect.
In the embodiment of the hair-dryer according to the present invention, grid be arranged in the heating element heater and the conduit it
Between.The existing purpose of this grid is to prevent heating element heater and any of finger from directly connecing when inserting finger by conduit
Touch.
In the embodiment of the hair-dryer according to the present invention, dismountable bindiny mechanism is arranged in the circular chamber and institute
State between conduit to allow to remove the conduit, for example, for by other various sizes of homologue or by rectangle or
Another conduit of triangular cross section replaces the conduit of circular cross section.
Brief description of the drawings
The description of preferred embodiment referring to the drawings allows to highlight the purpose of the present invention, in the accompanying drawings：
- Fig. 1 shows the sectional view of the hair-dryer according to the present invention；
- Fig. 2 shows the amplification view at the rear portion of Fig. 1 hair-dryer；
- Fig. 3 shows the sectional view of independent conduit.
Embodiment
As shown in figure 1, hair-dryer includes main body 2, the main body has the shape of substantial cylindrical, and the cylinder form allows
Circular chamber 3 is formed, the circular chamber has longitudinal axis X.The circular chamber 3 includes entrance area 4 and exit region 5.The circulatory system 6
It is arranged in the circular chamber 3, the circulatory system allows to suck surrounding air by entrance area, then by the air in circular chamber 3
Whole length on convey, so as to then by exit region 5 by blow air to the outside of hair-dryer 1.The circulatory system 6 is wrapped
Include the propeller 7 being arranged near entrance area 4, it is allowed to the motor 8 and rectifier 9 for driving propeller 7 to rotate, the rectifier cloth
Put in the downstream of propeller 7 and allow to dredge the air in the exit of the propeller 7.Hair-dryer 1 also includes heating element heater 10,
The heating element heater is arranged in the downstream of rectifier 9, and the heating element heater allows the air in the downstream part of heat cycles room 3, with
The air is discharged by exit region 5 afterwards.Hair-dryer 1 also includes motor 8 and the control of heating element heater 10 and governor motion (does not show
Go out), the control and governor motion allow the rotary speed and heating unit for changing motor 8 respectively from stop position to full power position
The temperature of part 10.All these features are generally all present on hair-dryer, and therefore, these features are not detailed in the description that follows
Description.
The invention particularly relates to conduit 11 as shown in Figure 1 to Figure 3.The conduit 11 is arranged in described along longitudinal axis X
In the extension of the exit region 5 of circular chamber 3, as depicted in figs. 1 and 2.Conduit 11 preferably have it is round-shaped, and including
Upstream end thereof 12 and downstream end 13.The section of the upstream end thereof 12 of conduit 11 corresponds to cutting for the exit region 5 of circular chamber 3
Face.In addition, conduit 11 has rotated shape and neck 14, the neck limits upstream portion 15 and downstream part on conduit 11
16, as shown in Figure 3.The construction of conduit 11 as shown in Figure 1 to Figure 3 allows for having Condar from the air that circular chamber 3 exports
Effect, it is known that fluid machinery phenomenon.The air exported at exit region 5 from circular chamber 3 is reduced by by section, this
It is due to the presence of neck 14, this flows at angles of limitation air along the angle downwards α corresponding to upstream portion 15, such as Fig. 3
It is shown.What therefore the air of output was compressed to neck 14 passes through section.Once by neck, the air of the output is with straight
Increase by section to the downstream end 13 of conduit 11 expands.Therefore, the air of output expands and along corresponding under
The open angle β of part 16 flows at angles is swum, as shown in Figure 3.Angle downwards α and open angle β is vertical relative in figure 3
It is defined to axis.The geometry of conduit 11 allows to produce the air exported towards the suction of downstream end 13, and this increases
The air velocity in exit.In addition, the geometry of conduit 11 allows the air mass flow for jointly increasing exit.
The research of the applicant has shown that the angle downwards α of selection upstream portion 15 and the opening angle of downstream part 16
β importance is spent, angle downwards α and open angle β are adjusted to increase the air velocity and flow in the exit of conduit 11.
Applicant have noticed that angle downwards α is between 40 ° and 88 °, it is therefore preferable to 82 °, and open angle β between
Between 1.5 ° and 3.5 °, preferably equivalent to 2.5 °, this allows optimization in the speed and flow of the air in the exit of conduit 11
The increase.
The size of conduit 11 is size that is variable and being partially adapted to circular chamber 3, the upstream end thereof 12 of conduit 11
By section correspond to the circular chamber 3 exit region 5 by section, and the angle downwards α and opening of conduit 11
Angle beta selects in the range of above-mentioned value.Applicant have noticed that can be by relative to the diameter D2 at downstream end 13
Reduce the diameter D1 at neck 14 further to improve the air velocity in exit while keep outstanding flow, the diameter subtracts
It is small between 2mm and 4mm, preferably 2mm.Preferably, the diameter D2 at the downstream end 13 of conduit is in 30mm and 40mm
Between select, preferably equivalent to 32mm, this additionally aids the air that exit is blowed with optimal speed, while keeps outstanding
Flow.
As shown in Fig. 2 neck 14 d at a distance, the distance d Jie of the downstream end 17 of heating element heater 10 and conduit 11
Between 0mm and 5mm, this influences Coanda effect.Preferably, distance d is 4mm, to optimize the Coanda effect.
As depicted in figs. 1 and 2, hair-dryer 1 includes grid 18, and the grid is arranged in the heating element heater 10 in circular chamber 3
Downstream.The grid 18 avoids any contact with heating element heater 10.
In the case of without departing from the scope of the invention, it is contemplated that other features or modified example.
In Fig. 1 into Fig. 3, conduit 11 is round-shaped.However, for conduit 11, it is contemplated that square, rectangle or triangle
Section, or even be contemplated that other sections, while keep the angle downwards α that is such as set for Fig. 1 to Fig. 3 embodiment
With open angle β.
In Fig. 1 into Fig. 3, conduit 11 is permanently affixed to circular chamber 3.However, can circular chamber 3 downstream end 19 and lead
Dismountable bindiny mechanism is set between the upstream end thereof 12 of pipe 11, such as set between downstream end 19 and upstream end thereof 12
Nested or buckle systems, to allow the dismounting of conduit 11, will pass through another different configuration within the scope of the present invention
To replace the conduit.
Claims (12)
1. a kind of hair-dryer (1), the hair-dryer includes air circulation chamber (3), air circulation system (6) and heating element heater
(10), the air circulation chamber is equipped with entrance area (4) and exit region (5), the air circulation system and the heating
Element is configured in the circular chamber will pass through the entrance area suction extraneous air, and from upstream towards downstream in institute
State and the air is conveyed in circular chamber, while the air passes through the heating element heater, and the air more or less heated is led to
Cross the exit region and be blown into outside, it is characterised in that the hair-dryer includes being arranged in the extension of the circular chamber
And the conduit (11) at the exit region, the conduit have a upstream end thereof (12), downstream end (13) and institute is arranged in
The neck (14) between upstream end thereof and the downstream end is stated, the conduit is arranged in the upstream end thereof and the neck
Between Part I (15) there are angle downwards (α) relative to the longitudinal axis (X) of the circular chamber, the angle downwards are situated between
Between 40 ° and 88 °, the Part II (16) being arranged between the neck and the downstream end of the conduit relative to
The longitudinal axis has open angle (β), and the open angle is between 1.5 ° and 3.5 °.
2. hair-dryer (1) according to claim 1, it is characterised in that the angle downwards (α) are 82 °.
3. the hair-dryer (1) according to any one of claim 1 or 2, it is characterised in that the open angle (β) is
2.5°。
4. hair-dryer (1) according to any one of claim 1 to 3, it is characterised in that the conduit (11) has circle
Cross section.
5. hair-dryer (1) according to claim 4, it is characterised in that the neck (14) is relative to the downstream end
Reduce with the diameter between 2mm and 4mm.
6. hair-dryer (1) according to claim 5, it is characterised in that it is 2mm that the diameter, which reduces,.
7. hair-dryer (1) according to any one of claim 1 to 3, it is characterised in that the conduit (11) has rectangle
Cross section.
8. hair-dryer (1) according to any one of claim 1 to 3, it is characterised in that the conduit (11) has triangle
The cross section of shape.
9. hair-dryer (1) according to any one of claim 1 to 8, it is characterised in that the heating element heater (10) and institute
The neck (14) for stating conduit (11) is spaced between the distance between 0mm and 5mm (d).
10. hair-dryer (1) according to claim 9, it is characterised in that the distance (d) is 4mm.
11. hair-dryer (1) according to any one of claim 1 to 10, it is characterised in that grid (18) is arranged in described
Between heating element heater (10) and the conduit (11).
12. the hair-dryer (1) according to any one of claim 1 to 11, it is characterised in that dismountable bindiny mechanism cloth
Put between the circular chamber (3) and the conduit (11) to allow to remove the conduit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1557226A FR3039377B1 (en) | 2015-07-28 | 2015-07-28 | HAIR DRYER WITH COANDA EFFECT AIR OUTPUT DUCT |
| FR1557226 | 2015-07-28 | ||
| PCT/FR2016/051761 WO2017017330A1 (en) | 2015-07-28 | 2016-07-08 | Hair dryer having coanda effect air outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107847031A true CN107847031A (en) | 2018-03-27 |
| CN107847031B CN107847031B (en) | 2020-11-20 |
Family
ID=55411448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680043901.6A Active CN107847031B (en) | 2015-07-28 | 2016-07-08 | Hair dryer comprising an air outlet duct with coanda effect |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP3328237B1 (en) |
| KR (1) | KR102585672B1 (en) |
| CN (1) | CN107847031B (en) |
| BR (1) | BR112018001555B1 (en) |
| ES (1) | ES2837131T3 (en) |
| FR (1) | FR3039377B1 (en) |
| RU (1) | RU2712366C1 (en) |
| WO (1) | WO2017017330A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11653737B1 (en) | 2021-11-12 | 2023-05-23 | Sharkninja Operating Llc | Hair care appliance |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3111527B1 (en) | 2020-06-19 | 2022-07-29 | Seb Sa | Hair dryer comprising a shock-absorbing support |
| FR3111676B1 (en) | 2020-06-19 | 2022-12-16 | Seb Sa | Propeller for a blower comprising radial air passage channels |
| FR3111526B1 (en) | 2020-06-19 | 2022-06-24 | Seb Sa | Hair dryer comprising external and internal boxes separated by annular insulation devices. |
| USD1021238S1 (en) | 2022-06-02 | 2024-04-02 | Sharkninja Operating Llc | Hair care appliance |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1500421A (en) * | 2002-11-01 | 2004-06-02 | 瓦尔克利普公司 | Attachment for handheld dryer |
| EP1707069A2 (en) * | 2002-12-27 | 2006-10-04 | Matsushita Electric Works, Ltd. | Hair dryer with minus ion generator |
| JP2009066183A (en) * | 2007-09-13 | 2009-04-02 | Kyushu Hitachi Maxell Ltd | Hair drier provided with convergence nozzle |
| CN202874233U (en) * | 2012-10-29 | 2013-04-17 | 蒋道法 | Hair protecting dryer |
| CN103369982A (en) * | 2010-12-08 | 2013-10-23 | 洁美来有限公司 | A hair dryer |
| CN204207259U (en) * | 2011-11-18 | 2015-03-18 | Seb公司 | Hair-dryer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3598928B2 (en) * | 2000-01-27 | 2004-12-08 | 松下電工株式会社 | Hair dryer |
| FR2817450B1 (en) * | 2000-12-06 | 2003-02-14 | Seb Sa | HAIR DRYER WITH DEVICE FOR VARIATION OF THE AIR FLOW OUTLET SECTION |
| KR101229109B1 (en) * | 2011-01-21 | 2013-02-05 | (주)엠파워텍 | Hair dryer |
-
2015
- 2015-07-28 FR FR1557226A patent/FR3039377B1/en active Active
-
2016
- 2016-07-08 ES ES16744816T patent/ES2837131T3/en active Active
- 2016-07-08 KR KR1020187005251A patent/KR102585672B1/en active IP Right Grant
- 2016-07-08 BR BR112018001555-5A patent/BR112018001555B1/en active IP Right Grant
- 2016-07-08 CN CN201680043901.6A patent/CN107847031B/en active Active
- 2016-07-08 RU RU2018105699A patent/RU2712366C1/en active
- 2016-07-08 WO PCT/FR2016/051761 patent/WO2017017330A1/en active Application Filing
- 2016-07-08 EP EP16744816.6A patent/EP3328237B1/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1500421A (en) * | 2002-11-01 | 2004-06-02 | 瓦尔克利普公司 | Attachment for handheld dryer |
| EP1707069A2 (en) * | 2002-12-27 | 2006-10-04 | Matsushita Electric Works, Ltd. | Hair dryer with minus ion generator |
| JP2009066183A (en) * | 2007-09-13 | 2009-04-02 | Kyushu Hitachi Maxell Ltd | Hair drier provided with convergence nozzle |
| CN103369982A (en) * | 2010-12-08 | 2013-10-23 | 洁美来有限公司 | A hair dryer |
| CN204207259U (en) * | 2011-11-18 | 2015-03-18 | Seb公司 | Hair-dryer |
| CN202874233U (en) * | 2012-10-29 | 2013-04-17 | 蒋道法 | Hair protecting dryer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11653737B1 (en) | 2021-11-12 | 2023-05-23 | Sharkninja Operating Llc | Hair care appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017017330A1 (en) | 2017-02-02 |
| BR112018001555A2 (en) | 2018-09-18 |
| FR3039377B1 (en) | 2017-09-01 |
| CN107847031B (en) | 2020-11-20 |
| EP3328237A1 (en) | 2018-06-06 |
| KR102585672B1 (en) | 2023-10-06 |
| BR112018001555B1 (en) | 2022-07-05 |
| EP3328237B1 (en) | 2020-11-18 |
| FR3039377A1 (en) | 2017-02-03 |
| RU2712366C1 (en) | 2020-01-28 |
| ES2837131T3 (en) | 2021-06-29 |
| KR20180034531A (en) | 2018-04-04 |
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