CN109528058A - A kind of hand dryer and its control method of annular air outlet - Google Patents

A kind of hand dryer and its control method of annular air outlet Download PDF

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Publication number
CN109528058A
CN109528058A CN201811609446.9A CN201811609446A CN109528058A CN 109528058 A CN109528058 A CN 109528058A CN 201811609446 A CN201811609446 A CN 201811609446A CN 109528058 A CN109528058 A CN 109528058A
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CN
China
Prior art keywords
cavity
air outlet
hand
hand dryer
drying
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CN201811609446.9A
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Chinese (zh)
Inventor
张鑫
樊越胜
王欢
韦淑炫
张稼昕
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Priority to CN201811609446.9A priority Critical patent/CN109528058A/en
Publication of CN109528058A publication Critical patent/CN109528058A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00Body-drying implements; Toilet paper; Holders therefor
    • A47K10/48Drying by means of hot air

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a kind of hand dryer of annular air outlet and its control methods, including drying component and air-supply heating component inside housings is arranged, the drying component is connect with air-supply component, it is characterized in that, the drying component is obliquely installed inside housings, the drying component is equipped with the cavity of annular air outlet, for placing both hands and the moisture of drying on hand.The hand dryer of annular air outlet of the invention can be such that user's hand obtains comprehensively and uniform wind-engaging, comfort effect is embodied while guaranteeing drying efficiency, realization is more rapidly dried, it is energy-efficient, the problem of being easy to produce water stain and bacteria breed when avoiding simultaneously using catch basin, eliminate timing cleaning catch basin, the trouble that sewage in catch basin is cleared out.

Description

A kind of hand dryer and its control method of annular air outlet
Technical field
The present invention relates to a kind of common electrical equipment --- hand dryer, in particular to the hand dryer of a kind of annular air outlet and its Control method.
Background technique
In contemporary mankind's life, hand dryer at electrical equipment indispensable in public or private bathroom, it Remain in droplet on hand after the energy clean hand of flash baking, dry and comfortable palm also can be from making due to droplet on hand drops onto ground At the dirty phenomenon in wet and slippery of ground.
Nowadays the pattern of hand dryer is numerous, and mainly drying principle is mostly to utilize motor moving blade sucking air, heating Air sends out hot wind, to achieve the purpose that dry up palm.But nowadays on the market most hand dryers mostly based on single side outlet air, and There is still a need for palms to overturn repeatedly when use, often occurs blowing baking unevenly, is heated also uneven, usually palm one side is not hot Row and another side is still ice-cold, furthermore for existing most hand dryer based on single-chamber, usage mode is also mostly palm level booth Formula wind-engaging is put, using rigid posture, droplet on hand is as the horizontal posture spread cannot guide well, Er Qiedan Face outlet air can only act on a certain local location, and user even needs to rub palm to disperse the residual water concentrated on hand.
Existing hand dryer such as (publication number CN 203943614U), the hand dryer of the Patent design, it is intended to form annular and go out The baking luck stream of wind can be with stepless action in palm, but it is not directed on palm entrained residual water in drying and palm Specific treatment measures after falling off, and do not consider that hand channel of drying diagonally downward is designed so that user is being dried on hand It is not guided well when droplet.
Summary of the invention
In view of the problems of the existing technology, the object of the present invention is to provide a kind of hand dryer of annular air outlet and its controls Method improves traditional hand dryer air-out direction deficiency, and laying type stretches out one's hand the requirement for not exclusively meeting human comfort, and structure is multiple Technical problem miscellaneous, that transmission efficiency is low and stationarity is low.Solve the problems, such as existing hand dryer can not Quick uniform drying, simultaneously Comfort is improved again.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of hand dryer of annular air outlet, it is described including drying component and air-supply heating component inside housings is arranged Drying component with air-supply component connect, which is characterized in that the drying component is obliquely installed inside housings, the baking Dry component is equipped with the cavity of annular air outlet, for placing both hands and the moisture of drying on hand.
Specifically, the cavity includes the first cavity and the second cavity, second cavity is set in the first cavity Inside, between first cavity and the second cavity formed annular air outlet channel, second cavity wall be equipped with Air port, the shape of the air outlet are bar shaped.
Further, the drying component, which is additionally provided with first and meets the portion of setting and second, meets the portion of setting, second cavity One end meets the portion of setting by first and connect with the first cavity, and one end of first cavity meets the portion of setting by second and shell connects It connects.
Further, the drying component is additionally provided with support interconnecting piece, the support interconnecting piece and the cavity Bottom connection.
Further, the drying component is additionally provided with drainpipe, and the drainpipe is threaded through the bottom of shell.
Preferably, 2 sensing elements are additionally provided on second cavity wall, the sensing element includes infrared sensing Device.
Specifically, the air-supply heating component includes the guide duct set gradually, blower device, heating device and air inlet Mouthful, the drying component is connect by the guide duct with air-supply heating component, and shell is arranged in the air inlet Bottom.
Further, air-supply heating component is additionally provided with control unit, and control unit is equipped with relay, infrared transmitting tube, red Outer reception pipe, contact and single-chip microcontroller.
A kind of control method of the hand dryer of annular air outlet, for controlling the hand dryer of above-mentioned annular air outlet, feature It is, comprising the following steps:
Step (1): when hand dryer is not used, relay described in control unit is disconnected, blower device and heating device It does not work, when user washes hand, both hands are put into cavity, and the sensing element built in cavity detects that infrared ray is believed Number, hand dryer is started to work;
Step (2): infrared ray signal is transformed into electric signal by the infrared receiver tube, blower device and plus Thermal is operated, and outside air enters from air inlet, and the annular of heated device and blower device feeding drying component goes out Wind channel carries out drying operation;
Step (3): after the completion of drying, when hand leaves cavity, sensing element detects that infrared signal disappears, and discharges institute The contact stated, heating device and blower device stop heating and blowing.
Further, including following signals is transmitted:
(1) single-chip microcontroller generates signal, and driving infrared transmitting tube sends infrared pulse wave, when there is hand to reach hand drier channel Interior, the infrared pulse wave of single-chip microcontroller transmitting is reflected back, and is received by infrared receiving tube and be converted into electric signal, and electric signal passes Into single-chip microcontroller, the acquisition to human body signal is realized;
(2) after single-chip microcontroller detects human body signal, between the drying count-down by controlling hand dryer, and relay is controlled Closure come control hand dryer work.
The present invention have compared with prior art it is below the utility model has the advantages that
(1) present invention dries hand channel by setting annular, generates uniform high pressure draught and the spinning ring in channel in channel Around making the available uniform wind-engaging comprehensively of user's hand, and due to the inclined design of semielliptical type inner core, guidance is used Person, which protrudes into hand with the tilt angle, to dry in hand cavity, and independent single-chamber setting more embodies while guaranteeing drying efficiency Comfort effect.The water droplet of hand, which thus complies with gravity, can faster be detached from hand, realize and more rapidly dry and save It can be efficiently.
(2) designed according to ergonomics researching and designing and Research Analyst's feedback result comprehensive analysis: human body washing one's hands and The angle of most natural and the most comfortable is therefore to choose half elliptic at 60 ° or so and dry hand chamber and horizontal bottom into 60 ° of angles when drying Degree, comfort principle and experience property principle when more embodiment human body uses.
(3) design that hand dryer is directly led out due to that will blow off water droplet, is easy to produce water stain when avoiding using catch basin And the problem of bacteria breed, eliminate timing cleaning catch basin, the trouble that sewage in catch basin is cleared out.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the hand dryer of the annular air outlet in embodiment 1;
Fig. 2 is the bottom substance schematic diagram of the hand dryer of the annular air outlet in embodiment 1;
Fig. 3 is the stereoscopic schematic diagram of the hand dryer of the annular air outlet in embodiment 1;
Fig. 4 is the use schematic diagram of the hand dryer of the annular air outlet in embodiment 1;
Fig. 5 is the control method flow chart of the hand dryer of the annular air outlet in embodiment 1;
Fig. 6 is the ergonomics research of the drying component tilt angle setting of the hand dryer of the annular air outlet in embodiment 1 Schematic diagram;
Fig. 7 is the using effect statistical chart of all kinds of hand dryers in market in embodiment 1;
Each label indicates in figure: 1- shell, 2- drying component, the first cavity of 21-, the second cavity of 22-, 23 first, which connect, to be set Portion, 24- second connect the portion of setting, 25- air outlet, 26- sensing element, 27- support interconnecting piece, 28- drainpipe, 3- air-supply heating structure Part, 31- guide duct, 32- blower device, 33- heating device, 34- flow-guiding channel, 35- air inlet;
Dotted arrow indicates that airflow direction, solid arrow indicate water (flow) direction in figure.
The present invention is illustrated below in conjunction with specification drawings and specific embodiments.
Specific embodiment
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Innovative point of the invention:
Cavity built in inclination of the invention is to be built in hand dryer shell at a certain angle, and built-in cavity then basis The angle of human body comfort elevation arm, in general according to ergonomics researching and designing and Research Analyst's feedback result: people The angle of body most natural and the most comfortable when washing one's hands and drying is therefore to choose half elliptic inner cavity and horizontal base at 60 ° or so Portion is at 60 ° of angles.The present invention is attached cavity with pedestal using support interconnecting piece, compared with tradition setting, difficulty of doing manual work It is bigger, it needs for built-in cavity to be attached with blower device, and traditional hand dryer is then without the concern for built-in cavity angle Connection.
The present invention is mainly the drying component 2 and air-supply heating component 3 in the tilted setting of shell 1 of hand dryer, drying Annular baking hand channel is equipped in component 2, air-supply heating component 3 guides hot gas to enter annular baking hand channel by guide duct 31, and Gas is sprayed by air outlet 25 and constitutes annular air outlet, increases the direction of hand dryer outlet air, allows each position of hand all can wind-engaging And flash baking, and the water droplet of tilted-putted drying component 2 guidance on hand is able to comply with gravity and hand is detached from, gain The drying effect of hand dryer.
Embodiment 1:
In compliance with the above technical solution, the present embodiment provides a kind of hand dryer of annular air outlet and its control methods, extremely such as Fig. 1 Shown in Fig. 4, including the drying component 2 inside shell 1 and air-supply heating component 3 is arranged in, drying component 2 and air-supply component 3 connect It connects, drying component 2 is inclined inside shell 1, and tilt angle is preferably 60 ° with horizontal direction angle, and drying component 2 is set There is the cavity of annular air outlet, for placing both hands and the moisture of drying on hand.Plastics, such as ABS, PVC, PE can be selected in shell 1, There are also synthetic materials etc., mainly rise wear-resisting, and anti-oxidant, hardness is strong, the major functions such as solid.
Cavity includes the first cavity 21 and the second cavity 22, it is preferred to use stainless steel material is made, long service life.Second Cavity 22 is set in the inside of the first cavity 21, and the first cavity 21 belongs to the chamber of " semielliptical " of concentric reducing with the second cavity 22 Body, " semielliptical " expression remove the both sides end on ellipsoid long axis direction, form ring between the first cavity 21 and the second cavity 22 Shape air-out passage, the air-supply component 3 being arranged in shell 1 can produce the high pressure draught with temperature, and then be gone out by the annular Then wind channel is set air outlet 25 on 22 wall of the second cavity and sends out, thus by place in the cavity have droplet Hand drying.
The shape of air outlet 25 is strip.Second cavity, 22 wall is equipped with the air outlet 25 of 12 strips, meanwhile, the 2 sensing elements 26 are also symmetrical arranged on two cavitys, 22 wall, can the both hands of infrared induction user enter and leave, and then control The working condition of system air-supply heating component 3.
Drying component 2, which is additionally provided with first and meets the portion of setting 23 and second, meets the portion of setting 24, and one end of the second cavity 22 connects by first If portion 23 is connect with the first cavity 21, first meets the portion of setting 23 while drying the only wind end in hand channel as annular, so that air-supply component 3 The annular that the hot wind sent is formed between the first cavity 21 and the second cavity 22 dries hand passage flow, and passes through the second cavity 22 The air outlet 25 being uniformly arranged on wall is sent out, and forms annular and uniform outlet air, whole wind unit meet the portion of setting close to first 23, far from cavity bottom, in this way setting be avoid user's both hands from protruding into not enough deeply, therefore the bottom of cavity can accordingly be lacked Some air outlets 25 are set.One end of first cavity 21 meets the portion of setting 24 by second and connect with shell 1, and first at this time meets the portion of setting 23 and second connect the formation of the portion of setting 24 baking hand entrance.User's both hands can be put into from hand entrance is dried to the second cavity 22, at this time hand Uniform wind-engaging can be obtained in portion, and both hands greatly improve the comfort of user without overturning repeatedly.In addition, first meets the portion of setting 23 and second connect that the portion of setting 24 is identical as the setting angle of cavity, and setting herein is to guide user when drying hand by hand It is protruded into comfortable angle, so that the flow direction of water droplet has complied with the direction of gravity on hand, so that water droplet is faster de- with hand From accelerating drying rate.In addition to this, it first meets the portion of setting 23 and second and connects between the portion of setting 24 also added with sealing ring, guarantee dress The normal operation set.
Drying component 2 is additionally provided with support interconnecting piece 27 and drainpipe 28, and support interconnecting piece 27 connect with cavity bottom, supports Resin material can be selected in interconnecting piece 27, is arranged to solid shape, and resin material density is big, is unlikely to deform, resistance to compression, can effectively support chamber Body is supported and is connected smoothly outside interconnecting piece 27 and the first cavity 21, so that entirely drying component 2 is stuck in 1 bottom of shell.Row Water pipe 28 is drawn from 22 bottom of the second cavity, is threaded through the bottom of shell 1, thus after water droplet and hand that hand is blown off are detached from Then side wall along the second cavity 22 is flowed out to flowing down from drainpipe 28, drainpipe 28 can be external to lavatory basin or sewer, It avoids water droplet to enter in the first cavity 21 from air outlet 25, to polluted the environment in the first cavity 21.
Air-supply heating component 3 includes guide duct 31, blower device 32, heating device 33 and the air inlet 35 set gradually. 31 one end of guide duct for heating component 3 of blowing is connect with the first cavity 21 of drying component 2, and junction is equipped with inclined thin The other end of the gasket of lower thickness, guide duct 31 is connect with blower device 32.The bottom of shell 1 is arranged in air inlet 35, is 5 Bar shaped entrance, outside air enter from air inlet 35, enter heating device 33 by 3 flow-guiding channels 34, heating device 33 can be with It is resistive heater, heating device 33 heats the air that air inlet 35 enters, by blower device 32, so that thermal current It is sent into the first cavity 21 by guide duct 31.In addition, air-supply heating component 3 is additionally provided with control unit, control unit be equipped with after Electric appliance, infrared transmitting tube, infrared receiving tube, contact and single-chip microcontroller.
In addition, the present apparatus can realize the dismounting and change of the second cavity 22, for example, can be arranged at the rear of shell 1 detachable The top half of shell 1 is met the portion of setting 23 and second from first and connects 24 junction of the portion of setting and disassemble, then replacement is clear by screw The second cavity 22 is washed, realization recycles.
The present embodiment also provides a kind of control method of the hand dryer of annular air outlet, as shown in figure 5, specifically:
Step 1: being in halted state when hand dryer is not used, the relay in control unit disconnects, 32 He of blower device Heating device 33 does not work, and when user washes hand, both hands are put into cavity, two built in cavity infrared induction Device detects that infrared ray signal, hand dryer are started to work;
Step 2: infrared ray signal is transformed into electric signal by infrared receiver tube, when relay receives electric signal, Relay closure, blower device 32 and heating device 33 start running, and outside air is passed to annular air outlet by air inlet 35 and leads to Road, the bar shaped air outlet 25 in annular air outlet channel spray warm wind air-flow, form the air-flow group an of ring seal around hand, Carry out drying operation;
Step 3: after the completion of drying, when hand leaves cavity, when infrared inductor detects blackout, release touching Point, relay disconnect, and heating device 33 and blower device stop heating, blowing, dry hand at this time and complete.
The transmitting of its signal are as follows:
(1) infrared sensor module is generated by infrared tube (infrared transmitting tube and infrared receiving tube) Lai Shixian, single-chip microcontroller Signal, driving infrared transmitting tube sends downwards infrared pulse wave, when there is hand to reach in hand drier channel, the infrared pulse of transmitting Wave is reflected back, and is received by infrared receiving tube and is converted into electric signal, obtain square-wave signal after electric signal transmitting amplification and reach In single-chip microcontroller, the acquisition to human body signal is realized.
It (2), can between the drying count-down that hand dryer is controlled by external software after single-chip microcontroller detects human body signal It is digital-scroll technique time, while controlling the closure of relay, dry to realize the switch that controls blower device 32 and heating device 33 Make manually.
The combination property analysis of annular hand dryer of the invention is given below: from a cost perspective, the present invention is mainly Cavity is set, and skewed in the shell of hand dryer, need to be rustless steel cavity.150 yuan or so of existing market can be purchased Pretty good hand dryer, and bar draught, difficult processing are also arranged due to needing built-in rustless cavity, and in cavity by the present invention Degree becomes larger, and first cost budgeting needs 300 yuan or so, but is far below the hand dryer of higher cost.And rustless steel cavity can be to avoid Existing hand drier is easy to appear bacteria breed and water collector is caused to generate the problem that dirt needs replacing, through the existing baking of investigation statistics It is about 100 yuan that hand device, which needs replacement in 1 year or the cost manually cleaned, and rustless steel gallbladder core built in the present invention, can be effective Reduce this part expense, and the service life is much higher than the existing type in market.
From maintenance cost: traditional hand drier, which needs regularly to clean, to be needed to be wiped with the rag of appropriate humidity, Or again with dry cloth wiped clean, ground dirt is mainly avoided the occurrence of, the phenomenon that ponding skids, brings safety hidden to user of service Suffer from, in particular above the average age for marriage, childhood crowd.But design of the present invention due to wrapping up hand, inside sets cavity, therefore be not in outside droplet The phenomenon that dripping, causing ground dirt, and built-in rustless steel inner core, phenomena such as droplet will not being caused to be detained, cause bacteria breed. It avoids not carrying excessive water droplet on hand as far as possible secondly, existing hand drier generally indicates user when using, this is easy to subtract The service life of short machine is also easy to cause the failure of machine, but strip air outlet 25 of the invention and bottom of device have one Fixed vertical distance reduces the growth of bacterium it is possible to prevente effectively from water droplet falls into air port.
From economy: existing hand drier power on the market is bigger, through being statisticallyd analyze to existing type in the market, The power for being roughly divided into following gear is as shown in Figure 7.It is upper in the majority with 1500W or so, and wind speed is 12m/s left mostly The right side, dry hand time are typically about 30s or more.And annular air outlet hand dryer of the invention is in the case where considering gravity, it is additional built-in Cavity and the both hands of user carry out drying operation with 60 ° of angle settings, and uniform annular air outlet greatly accelerates moisture steaming The rate of hair makes to act on wind speed on hand and accelerates the water droplet on both hands to dry up, according to existing city up to about 90m/s or so The measuring method of producer's drying time on face, tests its present invention, and the time only about needs 8s or so, greatly improves Working efficiency.
Below by taking the operating cost electricity charge as an example:
1, certain traditional famous brand hand drier: (1 day 1, using time 9:00-22:00, number: 500):
Heating power is up to 1500w, single day power consumption expense: 30s*1.5kw/3600*1.2 member/degree * 500 times=7.5 yuan
2, the invention hand drier: (1 day 1, using time 9:00-22:00, number: 500):
Heating power is up to 1500w, single day power consumption expense: 8s*1.5kw/3600*1.2 member/degree * 500 times=2 yuan
Daily save 7.5-2=5.5 member, 165 yuan of January, 1 year 1980 yuan.(only one for)
Therefore comprehensive for the angle of cost, workmanship, innovation and economy, the present invention is with more innovative, unique Property, it is easier to user's welcome is obtained, the deficiency of existing hand dryer is substituted.
In general according to ergonomics researching and designing and Research Analyst's feedback result: human body when washing one's hands and drying most Natural and the most comfortable angle is therefore to choose half elliptic inner cavity and horizontal bottom into 60 ° of angles at 60 ° or so, specific to join It examines shown in Fig. 6 as follows, it can be seen that only 60 ° of opposite actings are less, under same case, are more in line with ergonomics and comfort Angle.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form, all of these belong to the protection of the present invention for air supply mode, wind direction etc..

Claims (10)

1. a kind of hand dryer of annular air outlet, including being arranged in the internal drying component (2) of shell (1) and air-supply heating component (3), the drying component (2) is connect with air-supply component (3), which is characterized in that the drying component (2) is inclined at Shell (1) is internal, and the drying component (2) is equipped with the cavity of annular air outlet, for placing both hands and the moisture of drying on hand.
2. the hand dryer of annular air outlet according to claim 1, which is characterized in that the cavity includes the first cavity (21) and the second cavity (22), second cavity (22) are set in the inside of the first cavity (21), first cavity (21) annular air outlet channel is formed between the second cavity (22), the second cavity (22) wall is equipped with air outlet (25), The shape of the air outlet is bar shaped.
3. the hand dryer of annular air outlet according to claim 2, which is characterized in that the drying component (2) is additionally provided with First, which meets the portion of setting (23) and second, connects the portion of setting (24), and one end of second cavity (22) connects the portion of setting (23) and the by first One cavity (21) connection, one end of first cavity (21) meet the portion of setting (24) by second and connect with shell (1).
4. the hand dryer of annular air outlet according to claim 3, which is characterized in that the drying component (2) is additionally provided with It supports interconnecting piece (27), the support interconnecting piece (27) is connect with the cavity bottom.
5. the hand dryer of annular air outlet according to claim 4, which is characterized in that the drying component (2) is additionally provided with Drainpipe (28), the drainpipe (28) are threaded through the bottom of shell (1).
6. the hand dryer of annular air outlet according to claim 5, which is characterized in that on described the second cavity (22) wall also Equipped with 2 sensing elements (26), the sensing element (26) includes infrared sensor.
7. the hand dryer of annular air outlet according to claim 6, which is characterized in that air-supply heating component (3) packet Include the guide duct (31) set gradually, blower device (32), heating device (33) and air inlet (35), the drying component (2) it is connect by the guide duct (31) with air-supply heating component (3), the air inlet (35) is arranged in shell (1) Bottom.
8. the hand dryer of annular air outlet according to claim 7, which is characterized in that the air-supply heating component (3) is also Equipped with control unit, control unit is equipped with relay, infrared transmitting tube, infrared receiving tube, contact and single-chip microcontroller.
9. a kind of control method of the hand dryer of annular air outlet, for controlling the hand dryer of annular air outlet according to any one of claims 8, Characterized by comprising the following steps:
Step (1): when hand dryer is not used, relay described in control unit is disconnected, blower device (32) and heating device (33) it does not work, when user washes hand, both hands are put into cavity, and the sensing element (26) built in cavity detects red Outside line optical signal, hand dryer are started to work;
Step (2): infrared ray signal is transformed into electric signal by the infrared receiver tube, blower device (32) and adds Thermal (33) is operated, and outside air enters from air inlet (35), and heated device (33) and blower device (32) are sent into The annular air outlet channel for drying component (2), carries out drying operation;
Step (3): after the completion of drying, when hand leaves cavity, sensing element (26) detects that infrared signal disappears, and discharges institute The contact stated, heating device (33) and blower device (32) stop heating and blowing.
10. the control method of the hand dryer of annular air outlet according to claim 9, which is characterized in that including following signals Transmitting:
(1) single-chip microcontroller generates signal, and driving infrared transmitting tube sends infrared pulse wave, when there is hand to reach in hand drier channel, singly The infrared pulse wave of piece machine transmitting is reflected back, and is received by infrared receiving tube and be converted into electric signal, electric signal reaches list In piece machine, the acquisition to human body signal is realized;
(2) after single-chip microcontroller detects human body signal, between the drying count-down by controlling hand dryer, and closing for relay is controlled It closes to control hand dryer work.
CN201811609446.9A 2018-12-27 2018-12-27 A kind of hand dryer and its control method of annular air outlet Pending CN109528058A (en)

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CN110693376A (en) * 2019-10-11 2020-01-17 北京小米移动软件有限公司 Hand-drying operation execution method, device, equipment and storage medium
CN113243805A (en) * 2021-04-13 2021-08-13 深圳市美日净化科技有限公司 Hand washing drying table with entrance guard function for clean workshop, entrance guard system and entrance guard method
CN115227128A (en) * 2022-08-09 2022-10-25 莫顿(浙江)实业有限公司 Hollow liquid-collecting hand drier

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CN110693376A (en) * 2019-10-11 2020-01-17 北京小米移动软件有限公司 Hand-drying operation execution method, device, equipment and storage medium
CN113243805A (en) * 2021-04-13 2021-08-13 深圳市美日净化科技有限公司 Hand washing drying table with entrance guard function for clean workshop, entrance guard system and entrance guard method
CN115227128A (en) * 2022-08-09 2022-10-25 莫顿(浙江)实业有限公司 Hollow liquid-collecting hand drier
CN115227128B (en) * 2022-08-09 2023-08-08 莫顿(浙江)实业有限公司 Hollow liquid-collecting type hand drier

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