CN109419430A - A kind of hand dryer reducing air inlet noise - Google Patents
A kind of hand dryer reducing air inlet noise Download PDFInfo
- Publication number
- CN109419430A CN109419430A CN201710718305.XA CN201710718305A CN109419430A CN 109419430 A CN109419430 A CN 109419430A CN 201710718305 A CN201710718305 A CN 201710718305A CN 109419430 A CN109419430 A CN 109419430A
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- China
- Prior art keywords
- type air
- narrow type
- casing
- air inlet
- deflector
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/48—Drying by means of hot air
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of hand dryer reducing air inlet noise, it includes a casing, a deflector and a gases to provide module.The casing has an accommodating space and multiple narrow type air inlets, the deflector is set in the accommodating space, but not with the chassis contact, the deflector has multiple narrow type air guide holes, the gas provides module and is set in the accommodating space, wind drum and the connection wind drum of a baking luck stream are generated comprising extracting gas in the accommodating space after a starting to accept the air guide member of the baking luck stream, by the interval between the narrow type air inlet and the narrow type air guide hole, the transmitting of sound wave is formed by the narrow type air inlet and the narrow type air guide hole with interference gas flowing, and the generation of noise can be greatly reduced.
Description
Technical field
The present invention relates to one kind can reduce air inlet noise hand dryer, espespecially a kind of installing deflector in casing and with into
The corresponding hand dryer in air port.
Background technique
With the promotion of artistic appreciation, the hygienic details in daily life is also gradually taken seriously, and the most significantly
It can be provided by indifference and be peeped in the public bathroom place of general public use, it, can in order to enable user behind wash hands portion
Rapidly remove the water for remaining on hand, general public bathroom place, which all has, wipes toilet paper (towel), only environmental consciousness increasingly by weight
Depending on and forest tree resource have attracted much attention, then shown disposable paper (towel) again and be not inconsistent reality, therefore, hand dryer
Trend is had become, is largely established in a wide range and solves the demand of the fast rapid-curing cutback hand of people in public field domain.
In view of this, population evolves into many huge cities after concentrating toward city by the height economic development of former century
City, people have a job often to pursue speed and efficiency is primary.Presently commercially available hand dryer is dried in which can not also exempt from custom with making a concentrated effort to finish
Hand efficiency is the purpose of active pursuit, only efficiently need to know, add in continuous speedup with noise this case " facing a difficult choice for industrial design "
During fast motor running provides gas, generated each other when inevitably extracting gas with hand dryer associated mechanisms
It rubs and gives birth to wind and cut noise, cut noise if the wind for reducing hand dryer operating and deliberately reduce motor rotary speed, be then bound to increase
The hand dryer working time is dry to reach absolute hand.
Common such as the U.S. the 20130111778th and China No. 201,194,769 two technology that case is taken off is in one kind
Hand dryer includes a motor and a wind path structure, and wherein the wind path structure has an air inlet and multiple is located at the air inlet
The block water plate at place, and will form a gap between the block water plate and another neighbouring block water plate, and enable the hand dryer in work
When, gas, which enters the wind path structure from those gaps, can reduce noise caused by work since wind path is more smooth.
In addition, a kind of hand dryer as shown in No. 105919494 Chinese is intracorporal in shell with a shell and a setting
Motor, the shell be equipped with one first air inlet, the motor have one second air inlet and one with first air inlet and
The air intake passage of second air inlet connection, and the air intake passage has one to be set to the baffle and one of the air intake passage by the gear
The gap that the inner wall of plate and air intake passage is defined.Wherein, the baffle is to reflect the motor fortune propagated outward along air intake passage
The noise of work, and air-flow can be enabled first to disperse to assemble afterwards by the gap, generate rectification effect and reduce the noise of air-flow generation.
However, only by the improvement of wind drum structure, the real difficult highest demand for reaching " extremely quiet " is event, how should pursue balance
The problem of efficient and noise reduction of hand dryer, the actually big project of the one of the art industrial design.
Summary of the invention
It is a primary object of the present invention to improve the air inlet structure of existing hand dryer, and then reach what reduction noise generated
Problem.
In order to achieve the above object, the present invention provides a kind of hand dryer that can reduce air inlet noise, it include a casing, a deflector
And one gas provide module.The casing have an accommodating space and multiple connection accommodating spaces with it is narrow outside the casing
Type air inlet, the casing define one in face of the accommodating space and are equipped with the air intake surface of those narrow type air inlets.The deflector is set
Be placed in the accommodating space and the corresponding air intake surface and the assembling machine casing, the deflector not with the air inlet face contact, the deflector
With multiple narrow type air guide holes.The gas provides module and is set in the accommodating space, and it includes a starting which, which provides module,
Extract afterwards gas in the accommodating space generate wind drum and the connection wind drum of a baking luck stream with accept the baking luck stream and
End is revealed in the air guide member outside the casing, which has one to enable gas outside the casing sequentially after wind drum starting
Enter the air inlet path of wind drum through the narrow type air inlet and the narrow type air guide hole.
In an embodiment, the plate body and one which is equipped with those narrow type air guide holes with one extend from the plate body
And the Extendible flake with casing installation.
In an embodiment, which has at least one to be set in face of the air intake surface side and dash forward towards the casing direction
The support column connecting out and with the casing.
In an embodiment, those narrow type air inlets are set to the casing with the first matrix arrangement, those narrow type air guide holes
The deflector is set to the second matrix arrangement.
In an embodiment, those narrow type air inlets are set to the casing with one first extending direction, those narrow type wind-guidings
Mouth is set to the deflector with one second extending direction, and the narrow type air inlet is enabled not to be overlapped in this to the projected position of the air intake surface
Narrow type air guide hole.
Aforementioned taken off embodiment through the invention, has the following characteristics that compared to commonly using
The present invention for the air intake surface be equipped in face of the air intake surface but not with the deflector of the air inlet face contact, by this
Those narrow type air inlets on those narrow type air guide holes and the air intake surface on deflector form double aperture slit structure, enable the hand dryer
When air inlet, the gas of air inlet path entrance is followed, noise can subtract because those narrow type air guide holes are with those narrow type air inlets
It is weak, and then reduce noise when entering the wind.
Detailed description of the invention
Fig. 1, three-dimensional appearance schematic diagram of the invention.
Fig. 2, decomposition diagram of the invention.
Fig. 3, forward sight diagrammatic cross-section of the invention.
Fig. 4, right view diagrammatic cross-section of the invention.
Fig. 5, schematic top plan view of the invention.
Fig. 6, the right view diagrammatic cross-section in part of the invention.
Specific embodiment
The detailed description of the invention and technology contents, now just cooperation schema is described as follows:
It please refers to Fig.1 to Fig.3, the present invention provides a kind of hand dryer 10 that can reduce air inlet noise, including a casing 11, one
Deflector 12, a gas provide module 13 and an opening and closing sensing element 14.Wherein, which provides the deflector 12, is somebody's turn to do
Gas provides module 13 and opening and closing sensing element 14 is disposed therein, though the opening and closing sensing element 14 is loaded in the casing 11,
But the opening and closing sensing element 14 still can directly be observed after the assembly is completed by 11 appearance of casing.Also, the casing 11 can be by more
A half-shell assembles, which defines an accommodating space 111.Furthermore the casing 11 enables the accommodating space equipped with multiple
The 111 narrow type air inlets 112 being connected with 11 exterior domain of casing, and the present invention define one in face of the accommodating space 111 and
Air intake surface 113 equipped with those narrow type air inlets 112.This is held, though present example of the present invention is to enable the air intake surface 113 be located to be somebody's turn to do
The root edge of casing 11, but the present invention is not limited thereto, and those narrow type air inlets 112 can be set to the casing according to demand is implemented
11 different sides.
It holds, please refers to Fig. 3, Fig. 4 and Fig. 6, which is set to the accommodating space 111, and faces the air intake surface
113 assemble with the casing 11, and further, the present invention enables the deflector 12 not contact with the air intake surface 113, and have and be set to
Multiple narrow type air guide holes 122 of the deflector 12.Specifically, there is an interval A between the deflector 12 and the casing 11, and
The size of interval A will carry out the adjustment of appropriateness according to the size of the casing 11, and the size of interval A, which at least needs to reach, can enable this
A little narrow type air inlets 112 form double aperture slit structure with those narrow type air guide holes 122.
Fig. 2 and Fig. 4 are please referred to again, the present invention further illustrates the setting relationship of the deflector 12 Yu the casing 11 in this,
In an embodiment, which is a U-shaped structure, and enables the side of the casing 11 in release.Also, the deflector 12 has one
The Extendible flake 123 that plate body 121 and one equipped with those narrow type air guide holes 122 extend from the plate body 121.Also, the Extendible flake 123
Size can slightly be same as the casing 11 in release side, the Extendible flake 123 can be placed on the casing 11 in release side,
And installed in turn with the casing 11, cover the accommodating space 111.Furthermore the deflector 12 has at least one to be set in face of being somebody's turn to do
It is simultaneously protruded towards 11 direction of casing and the support column 124 and one that connect with the casing 11 are set to this prolongs 113 side of air intake surface
Stretch piece 123 with respect to the another side of support column 124 and with the casing 11 overlapped mounting portion 126.This is held, the present invention passes through the support column
124 fix the Extendible flake 123 with the mounting portion 126 stabilization, and the Extendible flake 123 is avoided to generate resonance when the hand dryer 10 operation
Noise occurs.
Fig. 5 and Fig. 6 are please referred to again, and in an embodiment, those narrow type air inlets 112 of the invention are with one first matrix row
Column are set to the casing 11, those narrow type air guide holes 122 are then to be set to the deflector 12 with one second matrix arrangement.Furthermore
First matrix can be identical or different with second matrix.
Also, each narrow type air inlet 112 is respectively a long and narrow and is one first extension along the extending direction of its long side
Direction 114.Also, each narrow type air guide hole 122 is also long and narrow and is one second extending direction along the extending direction of its long side
125.Furthermore the present invention further enables the projected position of those narrow type air inlets 112 not be overlapped in the narrow type air guide hole 122,
That is the projected position of those narrow type air inlets 112 is staggered with the narrow formation of type air guide hole 122.Hold this, the present invention with
Those narrow type air inlets 112 and those formed double aperture slit structures of narrow type air guide hole 122, and enable each gas 20 in narrow through this
Acoustic wave segment caused by type air inlet 112 is offseted by the sound wave caused by adjacent another narrow type air inlet 112, is formed
One compared with low noise sound wave, should be compared with the sound wave of low noise by being led by adjacent another narrow type after the narrow type air guide hole 122
The sound wave of the relatively low noise in air port 122 is interfered again and is offseted, and forms the sound wave of minimum noise, reaches the effect for reducing noise whereby
Fruit.
Multiple the gas provides module 13 and is set in the accommodating space 111 please see Fig. 2 to Fig. 4, which provides module
13 comprising one to extract the gas 20 wind drum 131, one connect the wind drum 131 air guide member 132 and a wind blast air port
133, which is set to the accommodating space 111 and connects the wind drum 131, and the end of the air guide member 132 is revealed in the machine
Outside shell 11.Also, the wind drum 131 will extract the gas 20 being located in the accommodating space 111 after starting, make the accommodating space
Air pressure in 111 generates variation, and is pumped into extraneous gas 20 via those narrow type air inlets 112.Furthermore the gas 20 is through the wind
Air port 133 is blasted to the wind drum 131, a baking luck stream 30 will be generated through effect and is sent to the air guide member 132, the air guide member
132 accept the baking luck stream 30, and to pushing except the hand dryer 10.
Furthermore Fig. 1 and Fig. 2 is please referred to again, which can be an infrared sensor or other can determine whether
The sensing element for whether having object close, the opening and closing sensing element 14 be set to the accommodating space 111 and with the wind drum 131 electrically
Connection, further says, which is mounted on wind drum 131 and at the neighbouring air guide member 132, true once judgement
When recognizing user's hand close to the air guide member 132, which will issue a keying signal, it is desirable that the wind drum 131
Starting generates the baking luck stream 30 after so that the wind drum 131 is extracted the gas 20, and via the air guide member 132 by the baking luck
Stream 30 is sent to user's hand, to provide the purposes of drying.
It holds, please arrange in pairs or groups fig. 4 to fig. 6, and the present invention hand dryer 10 has an air inlet path, which lies in the gas
Body is provided when module 13 starts and is generated, and specifically, when which receives the keying signal and start, which starts
Actuation simultaneously generates one to inner suction, and the gas 20 being located at outside the casing 11 is enabled to continue via narrow type air inlet 112, the narrow type
Air guide hole 122 is finally flowed to the wind drum 131, and described in path of the specific path in the air inlet path as the gas 20.It holds
This, the present invention is formed by double aperture slit with those narrow type air guide holes 122 with those narrow type air inlets 112 and constructs, and enables each be somebody's turn to do
Gas 20 in through acoustic wave segment caused by the narrow type air inlet 112 by caused by adjacent another narrow type air inlet 112
Sound wave is offseted, and a sound wave compared with low noise is formed, should be compared with the sound wave of low noise by being passed through after the narrow type air guide hole 122
The sound wave of the relatively low noise of adjacent another narrow type air guide hole 122 is interfered again and is offseted, and forms the sound wave of minimum noise, whereby
Achieve the effect that reduce noise.
Claims (5)
1. one kind can reduce air inlet noise hand dryer, characterized by comprising:
One casing, with an accommodating space and multiple narrow type air inlets being connected to outside the accommodating space and the casing, the machine
Shell defines one in face of the accommodating space and is equipped with the air intake surface of those narrow type air inlets；
One deflector, is set in the accommodating space and the corresponding air intake surface and the assembling machine casing, the deflector not with the air inlet
Face contact, the deflector have multiple narrow type air guide holes；
One gas provides module, is set in the accommodating space, generates one comprising extracting gas in the accommodating space after a starting
Wind drum and the connection wind drum of luck stream are dried to accept the baking luck stream and end is revealed in air guide member outside the casing；With
And
Wherein, the hand dryer have one enabled after the wind drum starting gas outside the casing sequentially through the narrow type air inlet with should
Narrow type air guide hole enters the air inlet path of wind drum.
2. the hand dryer that one kind as described in claim 1 can reduce air inlet noise, which is characterized in that the deflector has one to set
There are the plate body and an Extendible flake from plate body extension and with casing installation of those narrow type air guide holes.
3. the hand dryer that one kind as claimed in claim 2 can reduce air inlet noise, which is characterized in that the deflector has at least
One is set in face of the air intake surface side and support column that is prominent towards the casing direction and connecting with the casing.
4. one kind as described in claim 1 can reduce air inlet noise hand dryer, which is characterized in that those narrow type air inlets with
First matrix arrangement is set to the casing, those narrow type air guide holes are set to the deflector with the second matrix arrangement.
5. one kind as claimed in claim 4 can reduce air inlet noise hand dryer, which is characterized in that those narrow type air inlets with
One first extending direction is set to the casing, those narrow type air guide holes are set to the deflector with one second extending direction, and enable
The projected position of those narrow type air inlets is not overlapped in the narrow type air guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718305.XA CN109419430A (en) | 2017-08-21 | 2017-08-21 | A kind of hand dryer reducing air inlet noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718305.XA CN109419430A (en) | 2017-08-21 | 2017-08-21 | A kind of hand dryer reducing air inlet noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109419430A true CN109419430A (en) | 2019-03-05 |
Family
ID=65498962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710718305.XA Pending CN109419430A (en) | 2017-08-21 | 2017-08-21 | A kind of hand dryer reducing air inlet noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109419430A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2486092Y (en) * | 2001-06-02 | 2002-04-17 | 宁波富达电器股份有限公司 | Hand drier |
| CN2862935Y (en) * | 2005-12-08 | 2007-01-31 | 和光工业股份有限公司 | Multi-deck hand drier |
| CN201194769Y (en) * | 2008-03-06 | 2009-02-18 | 广东松下环境系统有限公司 | Hand dryer |
| CN201418704Y (en) * | 2009-04-28 | 2010-03-10 | 和光工业股份有限公司 | Air inlet structure of high-air-pressure hand dryer |
| CN202277293U (en) * | 2011-11-05 | 2012-06-20 | 浙江艾克电器有限公司 | Air inlet and outlet device of hand dryer |
| CN104921646A (en) * | 2015-06-30 | 2015-09-23 | 浙江艾克电器有限公司 | Hand dryer |
| CN106108753A (en) * | 2016-08-16 | 2016-11-16 | 深圳市立足科技有限公司 | A kind of foot blow-dry device |
| CN103829869B (en) * | 2012-11-21 | 2017-03-01 | 戴森技术有限公司 | hand dryer |
| CN206252451U (en) * | 2016-07-21 | 2017-06-16 | 龙克 | A kind of environmentally friendly hand dryer |
-
2017
- 2017-08-21 CN CN201710718305.XA patent/CN109419430A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2486092Y (en) * | 2001-06-02 | 2002-04-17 | 宁波富达电器股份有限公司 | Hand drier |
| CN2862935Y (en) * | 2005-12-08 | 2007-01-31 | 和光工业股份有限公司 | Multi-deck hand drier |
| CN201194769Y (en) * | 2008-03-06 | 2009-02-18 | 广东松下环境系统有限公司 | Hand dryer |
| CN201418704Y (en) * | 2009-04-28 | 2010-03-10 | 和光工业股份有限公司 | Air inlet structure of high-air-pressure hand dryer |
| CN202277293U (en) * | 2011-11-05 | 2012-06-20 | 浙江艾克电器有限公司 | Air inlet and outlet device of hand dryer |
| CN103829869B (en) * | 2012-11-21 | 2017-03-01 | 戴森技术有限公司 | hand dryer |
| CN104921646A (en) * | 2015-06-30 | 2015-09-23 | 浙江艾克电器有限公司 | Hand dryer |
| CN206252451U (en) * | 2016-07-21 | 2017-06-16 | 龙克 | A kind of environmentally friendly hand dryer |
| CN106108753A (en) * | 2016-08-16 | 2016-11-16 | 深圳市立足科技有限公司 | A kind of foot blow-dry device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190305 |