CN114484837A - Double-air-duct component and air purification hand dryer - Google Patents

Double-air-duct component and air purification hand dryer Download PDF

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Publication number
CN114484837A
CN114484837A CN202111661936.5A CN202111661936A CN114484837A CN 114484837 A CN114484837 A CN 114484837A CN 202111661936 A CN202111661936 A CN 202111661936A CN 114484837 A CN114484837 A CN 114484837A
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CN
China
Prior art keywords
air
fan
duct
channel
assembly
Prior art date
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Pending
Application number
CN202111661936.5A
Other languages
Chinese (zh)
Inventor
王冬雷
陈建伟
张力
丁宋红
曹群勇
黄敬梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETI Solid State Lighting Zhuhai Ltd
Crawford Global Ltd
Original Assignee
ETI Solid State Lighting Zhuhai Ltd
Crawford Global Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ETI Solid State Lighting Zhuhai Ltd, Crawford Global Ltd filed Critical ETI Solid State Lighting Zhuhai Ltd
Priority to CN202111661936.5A priority Critical patent/CN114484837A/en
Publication of CN114484837A publication Critical patent/CN114484837A/en
Priority to PCT/CN2022/143051 priority patent/WO2023125735A1/en
Priority to GB2316164.9A priority patent/GB2620089A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/24Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/50Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/18Details or features not otherwise provided for combined with domestic apparatus

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention provides a double-air-duct component and an air purification hand dryer, wherein the double-air-duct component comprises an outer shell, an air inlet, a first air outlet and a second air outlet, the air inlet, the first air outlet and the second air outlet are arranged on the outer shell, a first air duct is arranged between the air inlet and the first air outlet, a second air duct is arranged between the air inlet and the second air outlet, the first air duct and the second air duct are respectively arranged in the outer shell, a first fan can be arranged in the first air duct, and a second fan can be arranged in the second air duct. The hand dryer comprises a double-air-duct assembly, an air draft assembly and an air purification assembly, wherein the air draft assembly and the air purification assembly are arranged in an outer shell, the scheme is adopted, the high-speed air supply function fan and the low-speed air purification fan are mutually independent, the fan mode does not need to be frequently switched, the fan loss is avoided being too large, and the service life of the fan is prolonged.

Description

Double-air-duct component and air purification hand dryer
Technical Field
The invention relates to the field of air purification, in particular to a double-air-duct component and an air purification hand dryer.
Background
At present, people have higher and higher requirements on air quality, and not only the air is required to be fresh and clean, but also the air is required to be healthy and sterile gradually. In public washrooms, people have large flow, bacteria or viruses are easily gathered in the air, and peculiar smell is easily generated when the toilet is added, so that people can naturally generate conflict psychology and bring strong discomfort to people. However, the hand dryer in the toilet only has the hand drying function and is single in application. And the inside only one fan that has air purification among the current hand dryer, this fan need switch between high-speed air supply function and low-speed plasma air function within a long time, and is great to fan loss and consumption, and the condition that the life-span shortens easily appears in the fan, can't satisfy the requirement of long-term performance.
Disclosure of Invention
A first object of the present invention is to provide a dual duct assembly that reduces fan losses.
A second object of the present invention is to provide an air cleaning hand dryer comprising the above dual duct assembly.
In order to achieve the first object, the dual air duct assembly provided by the invention comprises an outer shell, an air inlet, a first air outlet and a second air outlet, wherein the air inlet, the first air outlet and the second air outlet are arranged on the outer shell, a first air duct is arranged between the air inlet and the first air outlet, a second air duct is arranged between the air inlet and the second air outlet, the first air duct and the second air duct are respectively arranged in the outer shell, a first fan can be arranged in the first air duct, and a second fan can be arranged in the second air duct.
According to the scheme, the double air channels are arranged in the outer shell, the first air channel is provided with the first fan, the second air channel is internally provided with the second fan, the air quantities of the first fan and the second fan are different, the fan with the large air quantity is mainly applied to the hand drying function, the fan with the small air direction is applied to the air purification function, the high-speed air supply function fan and the low-speed air purification fan are mutually independent, the fan mode does not need to be frequently switched, the condition that the fan loss is too large is avoided, and the service life of the fan is prolonged.
The further scheme is that the double-air-channel assembly comprises a first inner shell, and the first air channel and the second air channel respectively penetrate through the first inner shell.
It can be seen that two air ducts are formed in the sealed space of the first inner housing, wherein the two air ducts can be completely independent of each other, and can also be partially overlapped, and different setting modes and working modes can be made according to the overall size of the hand dryer.
The further scheme is that the first air duct and the second air duct are respectively superposed in the outer shell and the first inner shell.
Therefore, the first air duct and the second air duct are divided into two parts in the first inner shell, so that the layout of the parts in the first inner shell is more compact, and the size of the hand dryer is more effectively controlled.
A first air duct section is arranged between the air inlet and the first air vent, the first air duct section is arranged around the periphery of the first inner shell, a second air duct section is arranged between the first air vent and the first air outlet in the first air duct, and the second air duct section penetrates through the first inner shell; and/or a second air vent is arranged on the second inner shell, a third air duct section is arranged between the air inlet and the second air vent in the second air duct, the third air duct section is arranged around the periphery of the second inner shell, a fourth air duct section is arranged between the second air vent and the second air outlet in the second air duct, and the fourth air duct section penetrates through the second inner shell.
It can be seen that the air duct, the first inner housing and the second inner housing are respectively arranged in the outer housing, wherein the first air duct and the second air duct are formed between the air inlet of the outer housing and the vent of the first inner housing or the second inner housing, and the first air duct and the second air duct naturally and correspondingly surround the periphery of the first inner housing or the second inner housing, so that the air inlet area is enlarged, and the air inlet amount is increased.
The further scheme is that the outer shell is provided with two air inlets, the first inner shell and the second inner shell are respectively arranged between the two air inlets, and two first air duct sections are correspondingly formed between the outer shell and the first inner shell.
Therefore, the two first air duct sections and the two third air duct sections are formed on the outer shell, the air duct area is further enlarged, and accordingly the air inlet volume is further enlarged.
In order to achieve the second purpose, the air purification hand dryer provided by the invention comprises the double-air-duct component, the air draft component and the air purification component, wherein the air draft component and the air purification component are arranged in the outer shell.
It can be seen that, the convulsions subassembly is arranged in the air suction wind channel with the outer air suction of machine, carries out the air purification back through the air purification subassembly in the wind channel, and the rethread air outlet flows outside the machine, will dry hand function and air purification function through the wind channel subassembly and independently, improves and dries hand efficiency for when the hand dryer has the air purification function, reduce the fan loss, extension fan life-span.
The air purification assembly comprises a plasma assembly, and the plasma assembly is respectively arranged in the first air channel or the second air channel; and/or the air purification assembly comprises an anion assembly, the first air channel or the second air channel is internally provided with the anion assembly respectively, the anion assembly comprises an anion generator and an anion high-pressure piece, and the anion generator is connected with the anion high-pressure piece; and/or the air purification assembly comprises a UVC, and the first air channel or the second air channel is internally provided with the UVC respectively.
Therefore, the air in the air channel can be sterilized and disinfected by the air purification assemblies with different sterilization and disinfection principles.
The plasma component comprises a high-energy plasma tube and a plasma high-pressure part, wherein the plasma high-pressure part is connected with the high-energy plasma tube; and/or the plasma component comprises a low-energy ion generator and a low-energy plasma high-voltage part, and the low-energy ion generator is connected with the low-energy plasma high-voltage part.
The further proposal is that the high-energy plasma tube or the low-energy ion generator is arranged in the second air duct; the second fan is arranged between the high-energy plasma tube or the low-energy ion generator and the second air outlet along the air flowing direction of the second air duct; and/or along the radial direction of the first fan, the second fan is arranged between the first fan and the second air outlet, and the radial direction of the first fan is vertical to the rotation central axis of the first fan; and/or the second fan is a centrifugal fan.
It can be seen that, the second air outlet is more close to the fixing base setting of the shell body of contact wall for the second wind channel is applicable to the air purification mode that the air low-speed flows, thereby high energy plasma tube or low energy ion generator set up in second foundation cream, and centrifugal fan is chooseed for use to the fan in the second wind channel, even the crooked setting in second wind channel also can last effectively to keep the air output, realizes indoor air purification circulation.
The further proposal is that along the radial direction of the first fan, the fan air outlet and the first air outlet of the first fan are arranged in sequence, and the radial direction of the first fan is vertical to the rotation central axis of the first fan; and/or the setting position of the first air outlet is far away from the fixing seat of the outer shell relative to the setting position of the second air outlet; and/or the first fan is a series fan.
Therefore, the fixed seat of the outer shell is in contact with the wall, the power of the series excited motor is high, the air volume is large, the flowing air can be bent at the air outlet of the series excited fan, and the air volume of the first air outlet is larger through the series excited motor arranged in the first air duct, so that the series excited fan is used in a hand drying mode; and the fixing base that the first air outlet that is used for doing the hand mode is farther away from the shell body than the second air outlet can avoid hand touching the wall when, because the self structure of series excited machine makes the shell body have more spaces to be formed with two wind channels, the interior layout of shell body is more reasonable.
The further proposal is that a fan base is arranged in the outer shell, a through hole is arranged on the fan base, the fan is arranged on the fan base, and the through hole is communicated with a fan air inlet of the first fan; a ventilation cavity is arranged between the fan base and the mounting surface of the outer shell which is arranged opposite to the fan base, and a first air channel sequentially penetrates through the ventilation cavity, the through hole, the first fan and the first air outlet; and/or along the air flowing direction of the first air duct, the width of the first air duct close to the first air outlet is gradually reduced; and/or the second air outlet comprises a plurality of air outlet holes which are arranged to form a circle.
Therefore, the fan seat is used for supporting and installing the fan in the air duct, and air passes through the ventilation opening, enters the ventilation cavity, is gathered and then enters the first fan, so that the air in the air duct flows more smoothly. The width of the first air duct is gradually reduced near the first air outlet to form an air outlet nozzle, so that the air outlet pressure is increased, the air outlet strength is larger, and the hand drying time can be shortened; the second air outlet is formed by a plurality of air outlets, can slowly exhaust air and is suitable for long-time air purification function.
The further proposal is that a heating element is arranged in the first air duct or the second air duct; and/or at least one of the first air duct and the second air duct is internally provided with an aroma box; the outer shell is provided with an infrared sensor, and the infrared sensor and the first air outlet are positioned on the same side of the outer shell; and/or the air purification subassembly includes air filter subassembly, is provided with air filter subassembly in first wind channel and/or the second wind channel respectively, and air filter subassembly includes the primary filter screen.
Therefore, the heating element is arranged in the air duct, so that the temperature of air from the heating element to the air outlet is increased, and the hand drying efficiency is improved; the fragrance box can make the air flowing out of the machine have fragrance, so that the comfort level of a toilet is improved, and the infrared sensor is used for detecting hands, so that the hand dryer can be started to work conveniently; the air filters the air through the air filtering component in the first air channel or the second air channel, so that the air is purified more thoroughly.
Drawings
Fig. 1 is a perspective view of an embodiment of the air purifying hand dryer of the present invention.
Fig. 2 is an air flow diagram of an embodiment of the air purifying hand dryer of the present invention.
Fig. 3 is an internal view of an inner housing of an embodiment of the air purifying hand dryer of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
The air purification hand dryer is applied to air purification and air hand drying, and the hand dryer realizes mutual independence of the high-speed air supply function fan and the low-speed air purification fan by arranging the two air channels in the outer shell, does not need frequent switching of fan modes, avoids overlarge fan loss and prolongs the service life of the fan.
Referring to fig. 1, fig. 2 and fig. 3, the air purification assembly includes two wind channel assemblies 1, convulsions subassembly 2 and air purification subassembly 3, and two wind channel assemblies 1 include shell body 4, first interior casing 5, second interior casing 6, air intake 7, first air outlet 8 and second air outlet 9, and first interior casing 5 and second interior casing 6 set up respectively in shell body 4, and air intake 7, first air outlet 8 and second air outlet 9 set up respectively on shell body 4. A first air duct 11 is arranged between the air inlet 7 and the first air outlet 8, the first air duct 11 penetrates through the first inner shell 5, a second air duct 12 is arranged between the air inlet 7 and the second air outlet 9, the second air duct 12 penetrates through the second inner shell 6, a first fan can be arranged in the first air duct 11, and a second fan can be arranged in the second air duct 12. The air draft component 2 and the air purification component 3 are respectively arranged in the outer shell 4.
In this embodiment, the outer casing 4 comprises a fixing base 42 and a casing 41, the fixing base 42 is provided with a plurality of mounting portions, and the hand dryer is fixed on the wall by mounting screws on the plurality of mounting portions. The housing 41 is connected with the fixing seat 42 along the periphery of the fixing seat 42. The first inner shell 5 and the second inner shell 6 are respectively fixed on the same inner side wall of the fixed seat 42, and the inner side wall is a mounting surface 43 of the outer shell 4.
In the present embodiment, two air inlets 7 are provided on the outer housing 4, and the first inner housing 5 and the second inner housing 6 are provided between the two air inlets 7. The first inner housing 5 is provided with a first ventilation opening 50, and the first air duct 11 is formed with first air duct sections 111 at the air inlet 7 and the first ventilation opening 50, so that two first air duct sections 111 are formed in the outer housing 4. Two second ventilation openings 61 are arranged on the second inner shell 6, the two second ventilation openings 61 are arranged close to the two air inlets 7 in a one-to-one correspondence manner, and a third air duct section 121 is formed between one air inlet 7 and one second ventilation opening 61 of the second air duct 12, so that two third air duct sections 121 are formed in the outer shell 4. In the embodiment, because the installation height of the first inner housing 5 is close to the setting depth of the outer housing 41 based on the installation surface 43, two first air duct sections 111 are formed between the outer housing 4 and the first inner housing 5, so that the first air duct sections 111 naturally surround the outer periphery of the inner housing 5 to be in a curved shape, thereby enlarging the air inlet area and realizing the increase of the air inlet amount; since the second ventilation opening 61 is disposed closer to the air inlet 7 than the first ventilation opening 50, the length of the third air channel segment 121 is smaller than the length of the first air channel segment 111.
The first air duct 11 is formed with a second air duct section 112 between the first ventilation opening 50 and the first air outlet 8, and the second air duct section 112 penetrates through the first inner housing 5. A fourth air duct section 122 is formed between the second air vent 61 and the second air outlet 9 of the second air duct 12, and the fourth air duct section 122 penetrates through the second inner housing 6. The first air outlet 8 and the second air outlet 9 are respectively disposed between the two air inlets 7, and are disposed in one-to-one correspondence with the second air duct section 112 and the fourth air duct section 122 located between the two air inlets 7. In this embodiment, the first inner housing 5 includes a fan guard 52 and an inner mounting base 51, the fan guard 52 and the inner mounting base 51 are connected to form a closed second air duct section 112, wherein the fan guard 52 and the inner mounting base 51 can be integrally formed or connected by a connector such as a screw. The second inner shell 6 is a whole block, and after the whole block is dug deep to form the fourth air duct section 122 and the second air vent 61, the mounting part is reversely buckled on the fixing seat 42, so that the fourth air duct section 122 is only communicated with the second air vent 61 and the second air outlet 9, and the sealing performance is good.
The air purification assembly 3 includes an air filtering assembly 31, and the air filtering assembly 31 is disposed in the first air duct 11 and/or the second air duct 12. The air filter assembly 31 includes a primary filter 311 and a HEPA filter 312, and the HEPA filter 312 is disposed far away from the air inlet 7 relative to the primary filter 311 along the air flowing direction of the first air duct 11. In this embodiment, the air filter assembly 31 in the first air duct 11 is disposed at the first ventilation opening 50, along the air flowing direction of the first air duct 11, the air enters the first air duct section 111 from the air inlet 7, and enters the second air duct section 112 from the first ventilation opening 50 after passing through the air filter assembly 31; wherein the areas of the primary filter screen 311 and the HEPA filter screen 312 are respectively larger than the area of the first vent 50. The air filter assembly 31 in the second air duct 12 is disposed at the second air vent 61, and along the air flowing direction of the second air duct 12, the air enters the third air duct section 121 from the air inlet 7, passes through the air filter assembly 31 at the second air vent 61, and then enters the fourth air duct section 122.
Be provided with fan seat 53 in the first interior casing 5, be provided with through-hole 531 on the fan seat 53, realize the wind-guiding function when fan seat 53 is arranged in the fan of installation convulsions subassembly 2, make it get into in the convulsions subassembly 2 to the air direction that gets into in the interior casing 5. In this embodiment. A ventilation cavity 54 is arranged between the fan base 53 and the mounting surface 43 of the outer shell 4, the first ventilation opening 50 is communicated with the ventilation cavity 54, and along the air flowing direction of the second air duct section 112, air sequentially passes through the ventilation opening, the ventilation cavity 54, the through hole 531 on the fan base 53 and the air draft assembly 2.
The air draft assembly 2 comprises a first fan 21 and a second fan 22, the first fan 21 is arranged in the first air duct 11, the second fan 22 is arranged in the second air duct 12, in this embodiment, the first fan 21 is a series fan, and the second fan 22 is a centrifugal fan; the air output of the first fan 21 is greater than the air output of the second fan 22, so that the first fan 21 is mainly applied to the hand drying function, and the second fan 22 is applied to the air cleaning function. The ventilation assembly 2 includes a fan cover 23, the first fan 21 includes a fan air inlet 211, a fan ventilation channel 212 and a plurality of fan air outlets 213, the fan air inlet 211 and the plurality of fan air outlets 213 are respectively communicated with the fan ventilation channel 212, the fan ventilation channel 212 extends along the rotation axis of the first fan 21, the fan air inlet 211 is located at the axial first end of the fan ventilation channel 212, the fan cover 23 is arranged at the axial second end of the fan ventilation channel 212, the plurality of fan air outlets 213 are located at the radial direction of the fan ventilation channel 212, the fan air outlets 213 are located between the fan air inlet 211 and the fan cover 23, and the first air duct 11 sequentially penetrates through the fan air inlet 211, the fan ventilation channel 212 and the plurality of fan air outlets 213. The first fan 21 is disposed on the fan mount 53, and the through hole 531 communicates with the fan ventilation passage 212. The second air duct section 112 sequentially penetrates the ventilation cavity 54, the through hole 531, the fan inlet 211, the fan ventilation channel 212, the plurality of fan outlets 213, and the first outlet 8.
In this embodiment, along the first direction, the fan inlet 211, the second inner housing 6 and the second outlet 9 are sequentially arranged, and the second fan 22 is located in the second inner housing 6, so that the second fan 22 is disposed between the first fan 21 and the second outlet 9; along the second direction, the fan outlet 213 and the first outlet 8 are sequentially arranged, wherein the first direction and the second direction are respectively perpendicular to the central axis of rotation of the first fan 21, and the first direction and the second direction are respectively parallel to the radial direction of the first fan 21. The structure of the first fan 21 of cooperation, divide into two-layerly with first interior casing 5, be provided with different parts in each layer, second wind channel section 112 forms the wind channel that has two at least buckles, corresponds the department of buckling and sets up second interior casing 6, space in the make full use of shell body 4, and then make and be based on installation face 43, be provided with the interval between first air outlet 8 and the second air outlet 9, first air outlet 8 has different setting height with the second air outlet 9 based on installation face 43. In this embodiment, the position of the first outlet 8 is far away from the mounting surface 43 on the fixing seat 42 of the outer shell 4 relative to the position of the second outlet 9; the fixed seat 43 of the outer shell 4 contacts the wall, the power of the series excited motor 21 is large, the air quantity is large, the turning of the flowing air at the air outlet of the fan is realized, the series excited motor 21 is arranged in the first air duct 11, the air quantity of the first air outlet 8 which is far away from the fixed seat 42 of the outer shell 4 relative to the second air outlet 9 is larger, the series excited motor is used for a hand drying mode, when the hand is prevented from touching the wall, more spaces are formed in the outer shell 4 due to the self structure of the series excited motor 21, the layout in the outer shell 4 is more reasonable, the second air outlet 9 is arranged closer to the fixed seat 43 of the outer shell 4 contacting the wall, the second air duct 12 is suitable for an air purification mode of low-speed flowing air, the second fan 22 in the second air duct 12 is a centrifugal fan, and the second fan 22 is arranged between the first fan 21 and the second air outlet 9 along the first direction, the second air duct 12 is bent to continuously and effectively maintain the air output, so that indoor air purification circulation is realized.
The air purification assembly 3 includes a plasma assembly 32, and the plasma assembly 32 is disposed in the first air duct 11 or the second air duct 12. In the present embodiment, the plasma assembly 32 is disposed within the fourth air duct section 122 of the second air duct 12. The plasma module 32 includes a high energy plasma tube 321 and a plasma high pressure member 322, the plasma high pressure member 322 is connected to the high energy plasma tube 321, and the second fan 22 is disposed between the plasma module 32 and the second air outlet 9 along the air circulation direction of the second air duct 12. As another embodiment, the air purification assembly may further include at least one of a UVC (ultraviolet), an anion assembly, a bipolar ionizer, or a low energy ionizer, wherein the anion assembly includes an anion generator and an anion high pressure member, and the anion generator is connected to the anion high pressure member; the low-energy ion generator is connected with the low-energy plasma high-voltage part.
In this embodiment, along the air flowing direction of the second air duct section 112, an air duct narrow section 113 is disposed at a position of the second air duct section 112 close to the first air outlet 8, and the air duct narrow section 113 is respectively communicated with the second air duct section 112 and the first air outlet 8. The air duct narrow section 113 is formed between two connecting plates 1131, and one connecting plate 1131 can be obliquely arranged, so that the ventilation width of the air duct narrow section 113 is gradually reduced, an air outlet nozzle is formed, the air outlet pressure is increased, the air outlet strength is larger, and the hand drying time can be shortened. To further improve the air purification degree, an ultraviolet lamp 1132 may be provided at the narrow portion 113 of the wind tunnel.
Because the first fan 21 with larger air volume is arranged in the first air duct 11, in order to adapt to the narrow air duct section 113 in the second air duct section 112, the first air outlet 8 is strip-shaped, and the width of the first air outlet 8 is substantially the same as that of the narrow air duct section 113. The second fan 22 with small air volume is arranged in the second air duct 12, the plasma component 32 is arranged in the second air duct 12, and the second fan 22 can operate at low speed for a long time; and the second air outlet 9 includes a plurality of exhaust vents 91, and a plurality of exhaust vents 91 are arranged to form a circle or to be radial, can relatively slowly exhaust air, and are suitable for long-time air purification function.
In this embodiment, the PTC ceramic heat generating element 114 is disposed in the first air duct 11, and can be used to increase the temperature of the air from the PTC ceramic heat generating element 114 to the first air outlet 8, thereby improving the hand drying efficiency. At least one of the second air ducts 12 is provided with an aroma box 123, and the aroma box 123 can make the air flowing out of the machine have fragrance, thereby improving the comfort level of the toilet. Be provided with infrared sensor 44 in the shell body 4, be provided with the through-hole on the shell body 4, infrared sensor 44 corresponds the setting with the through-hole. In this embodiment, the infrared sensor 44, the first air outlet 8 and the second air outlet 9 are located on the same side of the outer shell 4, and the infrared sensor 44 is disposed between the first air outlet 8 and the second air outlet 9. The infrared sensor 44 is used to inspect the hands and facilitate the start of the hand dryer.
Air purification hand dryer includes PCB subassembly 13 and temperature sensor 14, and PCB subassembly 13 sets up in shell 4, and PCB subassembly 13 is connected with first fan 21, second fan 22, plasma high-voltage bag 322, ultraviolet lamp 1132, temperature sensor 14 and infrared sensor 44 electricity respectively. The temperature sensor 14 is disposed in the second air duct section 112, and the temperature sensor 14 may be disposed between the PTC ceramic heat generating member and the first fan 21.
The air purification hand dryer realizes carrying out air purification work no matter whether be in hand drying operating condition through setting up the binary channels to respectively be provided with the fan through in the binary channels, reduce the loss of fan, prolong the fan life-span. The first air duct 11 is provided with a first fan 21 with large air volume, which is mainly used for hand drying function, and the working flow of the first air duct 11 is as follows: when the infrared sensor of the hand dryer senses 44 that a hand of a human body is touched, the first fan 21 is started to have the maximum air volume, air enters from the air inlet 7, passes through the air filtering component 31 at the first vent 50, then sequentially passes through the first vent 50, the ventilation cavity 54, the through hole 531 of the fan seat 53 and the first fan 21, is accelerated after passing through the high-speed fan, is heated by the PTC ceramic heating element 114, and is blown out from the first air outlet 8 at a high speed through the air outlet narrow section 113. A second fan 22 with a smaller air volume is arranged in the second air duct 12, and is mainly used for air purification, and the working process in the second air duct 12 is as follows: the low noise mode of low amount of wind is opened to second fan 22, and the air is inhaled the region at high energy plasma pipe 321 place after entering into second interior casing 6 from air intake 7, and in this high concentration's ion district, the air is disinfected, through the second fan 22 back of low-speed, blows out through second air outlet 9, through the circulation disinfection of air, with whole space disinfection deodorization. In the hand drying mode, the air temperature can be measured through the temperature sensor 14, and when the air temperature is lower than 25 ℃, the PTC ceramic heating element 44 is started to provide warm air and improve the comfort level; when the air temperature is higher than 25 ℃, the PTC ceramic heating element 44 is closed, and the energy is saved.
The hand dryer as the second embodiment is different from the hand dryer as the first embodiment in that: the outer shell is not provided with a second inner shell, and the first air duct and the second air duct respectively penetrate through the first inner shell. The first inner shell is provided with a vent, the first air duct and the second air duct are completely overlapped with an air duct section formed between the vent respectively, the first air duct and the second air duct can be completely independent of each other in the first inner shell, and the first air duct and the second air duct can also simultaneously penetrate through a fan ventilation channel in the first fan, so that the first air duct and the second air duct are overlapped in the fan ventilation channel, and then the first air duct and the second air duct are divided into two parts at the air outlet of the fan and respectively extend towards the first air outlet or the second air outlet.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.

Claims (13)

1. A dual duct assembly, comprising: the air inlet, the first air outlet and the second air outlet are arranged on the outer shell, a first air channel is arranged between the air inlet and the first air outlet, a second air channel is arranged between the air inlet and the second air outlet, the first air channel and the second air channel are respectively arranged in the outer shell, a first fan can be arranged in the first air channel, and a second fan can be arranged in the second air channel.
2. The dual duct assembly of claim 1, wherein:
the double-air-channel assembly comprises a first inner shell, and the first air channel and the second air channel respectively penetrate through the first inner shell.
3. The dual duct assembly of claim 2, wherein:
the first air duct and the second air duct are respectively overlapped in the outer shell and the first inner shell.
4. The dual duct assembly of claim 1, wherein:
the double-air-duct assembly comprises a first inner shell and a second inner shell, the first air duct penetrates through the first inner shell, and the second air duct penetrates through the second inner shell.
5. The dual duct assembly of claim 4, wherein:
a first air duct section is arranged between the air inlet and the first air vent, the first air duct section is arranged around the periphery of the first inner shell, a second air duct section is arranged between the first air vent and the first air outlet in the first air duct, and the second air duct section penetrates through the first inner shell;
and/or be provided with the second wind channel on the second interior casing, the second wind channel is in the air intake with be provided with the third wind channel section between the second wind channel, the third wind channel section is around the periphery setting of second interior casing, the second wind channel is in the second wind channel with be provided with the fourth wind channel section between the second air outlet, the fourth wind channel section runs through the second interior casing.
6. The dual duct assembly of claim 5, wherein:
the air conditioner comprises an outer shell and is characterized in that two air inlets are formed in the outer shell, a first inner shell and a second inner shell are arranged between the two air inlets respectively, and two air duct sections are correspondingly formed between the outer shell and the first inner shell.
7. Air purification hand drier, its characterized in that: comprising the dual air duct assembly of any one of claims 1 to 6, an air extraction assembly and an air purification assembly, the air extraction assembly and the air purification assembly being disposed within the outer housing.
8. The air purifying hand dryer of claim 7, wherein:
the air purification assembly comprises a plasma assembly, and the plasma assembly is respectively arranged in the first air channel or the second air channel;
and/or the air purification assembly comprises an anion assembly, the anion assembly is respectively arranged in the first air channel or the second air channel, the anion assembly comprises an anion generator and an anion high-pressure piece, and the anion generator is connected with the anion high-pressure piece;
and/or the air purification assembly comprises a UVC, and the UVC is arranged in the first air channel or the second air channel respectively.
9. The air purifying hand dryer of claim 8, wherein:
the plasma component comprises a high-energy plasma tube and a plasma high-pressure part, and the plasma high-pressure part is connected with the high-energy plasma tube;
and/or the plasma component comprises a low-energy ion generator and a low-energy plasma high-voltage part, wherein the low-energy ion generator is connected with the low-energy plasma high-voltage part.
10. The air purifying hand dryer of claim 9, wherein:
the high-energy plasma tube or the low-energy ion generator is arranged in the second air duct; the second fan is arranged between the high-energy plasma tube or the low-energy ion generator and the second air outlet along the air flowing direction of the second air duct;
and/or along the radial direction of the first fan, the second fan is arranged between the first fan and the second air outlet, and the radial direction of the first fan is vertical to the rotation central axis of the first fan;
and/or the second fan is a centrifugal fan.
11. An air cleaning hand dryer according to any of claims 7 to 10, wherein:
the fan air outlets of the first fan and the first air outlet are sequentially arranged along the radial direction of the first fan, and the radial direction of the first fan is vertical to the rotating central axis of the first fan;
and/or the setting position of the first air outlet is far away from the fixing seat of the outer shell relative to the setting position of the second air outlet;
and/or the first fan is a series excited fan.
12. The air purifying hand dryer of claim 11, wherein:
a fan base is arranged in the outer shell, a through hole is formed in the fan base, the first fan is arranged on the fan base, and the through hole is communicated with a fan air inlet of the first fan; a ventilation cavity is formed between the fan base and the mounting surface of the outer shell which is arranged opposite to the fan base, and the first air channel sequentially penetrates through the ventilation cavity, the through hole, the first fan and the first air outlet;
and/or along the air flowing direction of the first air duct, the width of the first air duct close to the first air outlet is gradually reduced;
and/or the second air outlet comprises a plurality of air outlet holes which are arranged to form a circle.
13. The air purifying hand dryer of claim 7, wherein:
a heating piece is arranged in the first air duct or the second air duct;
and/or at least one of the first air duct and the second air duct is internally provided with an aromatherapy box;
the outer shell is provided with an infrared sensor, and the infrared sensor and the first air outlet are positioned on the same side of the outer shell;
and/or the air purification subassembly includes the air filter subassembly, first wind channel and/or be provided with respectively in the second wind channel the air filter subassembly, the air filter subassembly includes the primary filter screen.
CN202111661936.5A 2021-12-30 2021-12-30 Double-air-duct component and air purification hand dryer Pending CN114484837A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202111661936.5A CN114484837A (en) 2021-12-30 2021-12-30 Double-air-duct component and air purification hand dryer
PCT/CN2022/143051 WO2023125735A1 (en) 2021-12-30 2022-12-28 Air purifier
GB2316164.9A GB2620089A (en) 2021-12-30 2022-12-28 Air purifer

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CN202111661936.5A CN114484837A (en) 2021-12-30 2021-12-30 Double-air-duct component and air purification hand dryer

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