CN207220748U - Hand dryer - Google Patents
Hand dryer Download PDFInfo
- Publication number
- CN207220748U CN207220748U CN201620996053.8U CN201620996053U CN207220748U CN 207220748 U CN207220748 U CN 207220748U CN 201620996053 U CN201620996053 U CN 201620996053U CN 207220748 U CN207220748 U CN 207220748U
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- air
- flow
- air outlet
- hand dryer
- rectification storehouse
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Abstract
It the utility model is related to dry arm device technical field, there is provided a kind of hand dryer.The hand dryer includes the rectification storehouse connected with air-out passage, and rectification storehouse is equipped with least one air outlet；The area of the flow section in rectification storehouse is big compared with the area of the flow section of air-out passage.Thus, after being flowed into rectification storehouse, the speed of air-flow can slow down the air-flow in air-out passage, and the sinuous flow present in high-speed flow can also be reintegrated after flow velocity slows down originally, then continue gradually to be eliminated during flowing in rectification storehouse；Finally, air-flow has been to flow to air-flow homogeneous, that flowing is soft when flowing near air outlet, therefore noise can be greatly reduced when being discharged by air outlet.
Description
Technical field
The utility model relates to dry arm device technical field, specifically provides a kind of hand dryer.
Background technology
Hand dryer is a kind of by blowing out high-speed flow and the equipment to the formation drying of the hand of user.Outlet air air-flow
Air quantity is bigger, speed is faster, blows away that the water droplet ability adhered on palm and the back of the hand is stronger, and dry hand effect is better, dry hand efficiency
It is higher.
And air force is generally determined by the performance of motor, this belongs to a hardware condition limitation.In the certain bar of air quantity
Under part, to realize preferably dry hand effect, the prior art is typically that the air outlet of hand dryer is arranged in the side of jet-impingement
The structure gradually tapered up upwards, so that the air velocity increase finally ejected；Or multiple pores in planar distribution are set,
Air-out area is reduced, can also so improve the speed of outlet air air-flow, and brush scope to have guarantee.
However, after use after a while it has been found that it is this reduce air-out area hand dryer noise it is special
Greatly, usage experience is unsatisfactory, thus, lifts dry hand effect and reduces and become in order to which one conflicting is asked between noise
Topic, this greatly constrains the lifting of hand dryer usage experience.
Utility model content
(1) technical problems to be solved
To be solved in the utility model is the poor technical problem of usage experience of existing hand dryer.
(2) technical solution
In order to solve the above technical problems, the utility model provides a kind of hand dryer.The hand dryer includes and air-out passage
The rectification storehouse of connection, the rectification storehouse are equipped with least one air outlet；The area of the flow section in the rectification storehouse it is more described go out
The area of the flow section of wind passage is big.
Preferably, the rectification storehouse is connected by changeover portion with the air-out passage；It is described on the direction of gas flowing
The area of the flow section of changeover portion gradually increases.
Preferably, the changeover portion is connected with the air-out passage cambered surface transition.
Preferably, the changeover portion is connected with the rectification storehouse cambered surface transition.
Preferably, the air outlet is the tunnel like structure being formed in nozzle.
Preferably, internal stretch of at least partly described nozzle to rectification storehouse.
Preferably, on the direction of gas flowing, the area of the flow section of the air outlet is gradually reduced.
Preferably, the quantity of the air outlet is multiple, per two adjacent air outlets between every equipped with partition plate,
The internal stretch in the lateral rectification storehouse of the partition plate as residing for the rectification storehouse in the air outlet.
Preferably, the air outlet is located at the offside for the side that the rectification storehouse is connected with the air-out passage.
Preferably, the gross area of the flow section of the air outlet is big compared with the area of the flow section of the air-out passage.
(3) beneficial effect
A kind of hand dryer provided by the utility model, by the area that a flow section is added in the end of air-out passage
Larger rectification storehouse, and air-flow is blown out using the air outlet on the rectification storehouse, thus make air-flow flowed into by air-out passage it is whole
Speed slows down after in stream storehouse, and sinuous flow is reintegrated and eliminated, and finally is formed about flowing to that homogeneous, flowing is soft in air outlet
Air-flow, noise is greatly reduced when the air-flow is discharged by air outlet.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of hand dryer of the utility model embodiment.
Reference numeral：
1st, motor；2nd, air inlet；3rd, air intake passage；4th, compartment；41st, partition plate；5th, air outlet；51st, nozzle；6th, rectification storehouse；
7th, air-out passage；8th, motor air outlet；9th, changeover portion.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not intended to limit the scope of the present invention.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " connection "
It should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be direct phase
Even, can also be indirectly connected by intermediary.For the ordinary skill in the art, on being understood with concrete condition
State concrete meaning of the term in the utility model.
As shown in Figure 1, a kind of hand dryer that the utility model embodiment provides, including the motor 1 being arranged in housing, electricity
Machine 1 is connected by air intake passage 3 with the air inlet 2 on housing, is introduced air-flow by air inlet 2；Motor air outlet 8 is communicated with
Air-out passage 7, moreover, being also communicated with a rectification storehouse 6 in the end of 7 air-out direction of air-out passage, is discharged by motor air outlet 8
Air-flow by air-out passage 7 and be drained into the rectification storehouse 6；Rectification storehouse 6 is equipped with least one air outlet 5, for by rectification
Air-flow discharge in storehouse 6, the air-flow of discharge, which is used to form the hand of user, to be brushed.
Wherein, the area of the flow section in rectification storehouse 6 is big compared with the area of the flow section of air-out passage 7, and flow section is
The cross section orthogonal with all streamlines in flow filament or total stream, either plane or curved surface, i.e. if air-out passage 7
It is cylinder with rectification storehouse 6, then air-out passage 7 and the flow section in rectification storehouse 6 are circle, and the overcurrent in rectification storehouse 6
The diameter of section is bigger than the diameter of the flow section of air-out passage 7；If air-out passage 7 and rectification storehouse 6 are variable diameter passage,
Then the area of the minimum flow section in rectification storehouse 6 is bigger than the area of the maximum flow section of air-out passage 7.
Thus, after being flowed into rectification storehouse 6, the speed of air-flow can slow down the air-flow in air-out passage 7, originally at a high speed
Sinuous flow present in air-flow can also be reintegrated after flow velocity slows down, during then continuing flowing in rectification storehouse 6
Gradually it is eliminated；Finally, air-flow has been to flow to air-flow homogeneous, that flowing is soft when flowing near air outlet 5, therefore
Noise can be greatly reduced when being discharged by air outlet 5；Even if moreover, air outlet 5 to be opened in the sidepiece in rectification storehouse 6, make air-flow
Discharge direction and the direction flowed in rectification storehouse 6 are angled, and the noise of air-flow also can be much smaller；But air outlet 5 is preferred
Be arranged on the offside for the side that rectification storehouse 6 is connected with air-out passage 7 so that the airflow direction in rectification storehouse 6 substantially with air outlet 5
Discharge directions it is consistent, such flow-disturbing is relatively lower, and noise is also minimum, improves usage experience.
In addition, area of the gross area of the flow section of air outlet 5 preferably compared with the flow section of air-out passage 7 is big, i.e. one
The area summation of 5 flow section of area or multiple air outlets of the flow section of a air outlet 5 is most narrower than in air intake passage 3
The area of the flow section at place is also small.Thus, less air outlet 5 can form the discharge of air-flow the effect of barrier, make whole
The air pressure rise in storehouse 6 is flowed, and then the velocity of discharge of air-flow can be lifted, so as to lift dry hand speed and dry hand effect.From normal
Reason angle sees, becomes larger in the windage of air outlet 5, goes out wind after wind velocity increase and make an uproar and can also be significantly increased, but due to above-mentioned rectification storehouse 6
Presence, the lifting that can significantly suppress wind velocity increase and make an uproar to wind, thus, sees, this hand dryer both improved on the whole
Go out wind velocity, and excessive noise will not be produced, greatly improve usage experience.
Rectification storehouse 6 is preferably connected by changeover portion 9 with air-out passage 7, and on the direction of gas flowing, changeover portion 9
The area of flow section is gradually increase, i.e. outlet air air-flow by air-out passage 7 when being flowed into rectification storehouse 6, the passage of fluid
It is not to increase moment, but gradually increase in the flowing direction, it can so avoid forming negative pressuren zone in leeward side, prevent
The formation being only vortexed, it is ensured that air-flow will not form new sinuous flow when entering in rectification storehouse 6, further increase the equal of air flow direction
One property.
Further, the front end of changeover portion 9 be preferably be connected with 7 cambered surface transition of air-out passage, the rear end of changeover portion 9 with it is whole
Flow storehouse 6 and be preferably also cambered surface transition connection, i.e. being connected between the rear and front end of changeover portion 9 and air-out passage 7 and rectification storehouse 6
Any corner angle are not present, transition is round and smooth, resistance smaller, allow the flow to smooth-going by that can avoid producing sharp noise.
Air outlet 5 is preferably formed in the tunnel like structure in nozzle 51, i.e. air outlet 5, which is one, has certain length
Gas channel, equivalent to the spray-hole of nozzle 51, thus can play the role of guiding to the injection direction of air-flow.Air-flow is logical
After crossing the air outlet 5 with certain length, its injection direction can't be influenced by into the airflow direction before air outlet 5, therefore
It can ensure that outlet air air-flow is sprayed towards direction initialization.
Moreover, on the basis of air outlet 5 to be arranged to 51 shape structure of nozzle, then at least part nozzle 51 is made to rectification storehouse
6 internal stretch, i.e. the outlet air air-flow that air outlet 5 sprays is central area quoted from rectification storehouse 6, and be not quoted from close to
Air-flow near 6 inner wall of rectification storehouse, in this way, the air-flow poured in air outlet 5 is not only from opposite with air outlet 5 one
Side, can also introduce the gas of the side opposite with air outlet 5, and thus, the source range that comes of charge air flow becomes wider, makes list
Charge air flow speed in the region of position reduces, and can further drop low wind noise.
Further, on the direction of gas flowing, the area of the flow section of air outlet 5 is preferably to be gradually reduced, i.e.,
The inlet end of air outlet 5 is big compared with exhaust end, and larger inlet end can make air-flow be easier to enter；And less exhaust end can incite somebody to action
Air-flow is further assembled, and is further lifted out the speed of general mood stream.
The quantity of air outlet 5 is preferably several, and multiple air outlets 5 can be uniformly distributed, or the palm shape according to adult
Distribution, such as four air outlets 5 in quadrangular array are set.The setting of multiple air outlets 5 can solve outlet air air velocity
The problem of range shorter is brushed after lifting.In addition, preferably every equipped with partition plate 41, partition plate between per two adjacent air outlets 5
The internal stretch in the 41 lateral rectification storehouse 6 as residing for rectification storehouse 6 in air outlet 5, i.e. each air outlet 5 is at a gear
In the compartment 4 that plate surrounds, the air-flow that each air outlet 5 is discharged all is to make each other not quoted from each residing compartment 4 respectively
Mutually disturbance is formed, the formation of sinuous flow can be avoided, so as to reduce further noise.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (10)
1. a kind of hand dryer, it is characterised in that including the rectification storehouse connected with air-out passage, the rectification storehouse is equipped with least one
Air outlet；The area of the flow section in the rectification storehouse is big compared with the area of the flow section of the air-out passage.
2. hand dryer according to claim 1, it is characterised in that the rectification storehouse passes through changeover portion and the air-out passage
Connection；On the direction of gas flowing, the area of the flow section of the changeover portion gradually increases.
3. hand dryer according to claim 2, it is characterised in that the changeover portion connects with the air-out passage cambered surface transition
Connect.
4. hand dryer according to claim 2, it is characterised in that the changeover portion connects with the rectification storehouse cambered surface transition
Connect.
5. hand dryer according to claim 1, it is characterised in that the air outlet is the passage shape knot being formed in nozzle
Structure.
6. hand dryer according to claim 5, it is characterised in that prolong the inside at least partly described nozzle to rectification storehouse
Stretch.
7. hand dryer according to claim 5, it is characterised in that on the direction of gas flowing, the mistake of the air outlet
The area of flow section is gradually reduced.
8. hand dryer according to claim 1, it is characterised in that the quantity of the air outlet is multiple, per adjacent two
Every equipped with partition plate between a air outlet, the partition plate as residing for the rectification storehouse in the air outlet one it is lateral described in
The internal stretch in rectification storehouse.
9. hand dryer according to claim 1, it is characterised in that the air outlet is located at the rectification storehouse and the outlet air
The offside of the side of passage connection.
10. according to claim 1 to 9 any one of them hand dryer, it is characterised in that the flow section of the air outlet it is total
Area is big compared with the area of the flow section of the air-out passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620996053.8U CN207220748U (en) | 2016-08-30 | 2016-08-30 | Hand dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620996053.8U CN207220748U (en) | 2016-08-30 | 2016-08-30 | Hand dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207220748U true CN207220748U (en) | 2018-04-13 |
Family
ID=61838001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620996053.8U Active CN207220748U (en) | 2016-08-30 | 2016-08-30 | Hand dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207220748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523888A (en) * | 2021-07-13 | 2021-10-22 | 珠海格力电器股份有限公司 | Cleaning structure and processing equipment with same |
-
2016
- 2016-08-30 CN CN201620996053.8U patent/CN207220748U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523888A (en) * | 2021-07-13 | 2021-10-22 | 珠海格力电器股份有限公司 | Cleaning structure and processing equipment with same |
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