CN114711655B

CN114711655B - Hand drier

Info

Publication number: CN114711655B
Application number: CN202210461235.5A
Authority: CN
Inventors: 伍锐龙; 伍锐洪; 黄炯道
Original assignee: Taishan Jie Da Electrical Co ltd
Current assignee: Taishan Jie Da Electrical Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2023-08-18
Anticipated expiration: 2042-04-28
Also published as: CN114711655A

Abstract

The present application provides a hand dryer comprising: the device comprises a shell, a fan, an air treatment device and a first detection device; the outer side of the shell is provided with a hand inserting groove for inserting hands, the inside of the shell is provided with a containing cavity, the containing cavity is internally provided with a tissue storage cavity, a first air blowing port, a second air blowing port, a first air duct, a second air duct and an air inlet duct, the top of the tissue storage cavity is provided with an opening, and the second air duct and the tissue storage cavity are staggered in the projection direction from the front side to the rear side of the shell. The hand dryer can provide paper towels and dry the hands for users, the users can withdraw the paper towels, most of the water can be quickly wiped off by the paper towels only for a few seconds, then the residual water can be dried by hot air after the hands are inserted into the hand inserting grooves, the hands can be dried approximately without more than 10 seconds, the users are not required to occupy too much time, and people flow accumulation is avoided; the whole structure of the hand drier has reasonable design and thinner shell.

Description

Hand drier

Technical Field

The application relates to the technical field of hand cleaning equipment, in particular to a hand drier.

Background

Hand dryers, also known as hand dryers, hand dryers or hand dryers, are modern advanced and desirable hand hygiene cleaning appliances and equipment. It is mainly used in hotels, restaurants, scientific research institutions, hospitals, public entertainment places, toilets of every family, etc. After the hands are washed, the hands are stretched at the air blowing opening of the hand drier, the hand drier can automatically send out comfortable warm air, the hands are quickly dehumidified and dried, and the hand drier is automatically stopped when the hands leave the air opening of the hand drier.

The current hand drier has long drying time, more than half a minute is needed, however, people often leave after drying for less than 10 seconds, so that hands still contain much moisture, if the drying is enough, people can easily accumulate near the hand drier when more people exist, and the use of other devices is affected.

Disclosure of Invention

The application aims to overcome the defects and shortcomings in the prior art and provides a hand drier.

One embodiment of the present application provides a hand dryer comprising: the device comprises a shell, a fan, an air treatment device and a first detection device, wherein the fan, the air treatment device and the first detection device are arranged in the shell;

the paper towel storage device comprises a shell, and is characterized in that a hand inserting groove for inserting hands is formed in the outer side of the shell, a containing cavity is formed in the shell, a paper towel storage cavity, a first air blowing port, a second air blowing port, a first air channel, a second air channel and an air inlet channel are formed in the containing cavity, the paper towel storage cavity is located at the rear side of the hand inserting groove, an opening is formed in the top of the paper towel storage cavity, a cover body is arranged at the opening, a through groove for passing through paper towels is formed in the cover body, the first air blowing port and the second air blowing port are communicated with the hand inserting groove, the first air blowing port is located at the front side of the hand inserting groove, the second air blowing port is located at the rear side of the hand inserting groove and is arranged above the paper towel storage cavity, the first air channel is communicated with the first air blowing port, the second air channel bypasses the paper towel storage cavity and then is communicated with the second air blowing port, and the second air channel and the paper towel storage cavity is staggered from the front side to the rear side of the shell;

the fan is arranged in the accommodating cavity and is respectively communicated with the first air duct, the second air duct and the air inlet duct;

the air treatment device comprises a heating component which is arranged in the air inlet duct;

the first detection device is arranged on the shell, is connected with the fan and the heating component, faces the hand inserting groove and is used for detecting whether a hand stretches into the hand inserting groove.

Compared with the prior art, the hand dryer can provide paper towels and dry the hands for users, the users can withdraw the paper towels, most of water can be quickly wiped off by the paper towels only for a few seconds, then residual water can be dried by hot air after hands are inserted into the hand inserting grooves, the hands can be dried approximately without more than 10 seconds, the users are not required to occupy too much time, and people stream accumulation is avoided; the hand drier has reasonable overall structural design, thinner shell and less occupation of other equipment space.

In some alternative embodiments, the cover is rotatably connected to the housing, a first magnetic member is disposed on the housing, a second magnetic member is disposed on the cover, and the first magnetic member and the second magnetic member are in adsorptive engagement when the cover closes the opening of the tissue storage cavity.

In some alternative embodiments, the hand dryer further comprises a wireless module disposed within the housing;

the wireless module is connected with the first detection device;

the first detection device is used for obtaining the times that the hand stretches into the hand inserting groove, judging the paper towel remaining amount in the paper towel storage cavity based on the times that the hand stretches into the hand inserting groove, and sending an alarm signal to the wireless module when the paper towel remaining amount is smaller than a preset minimum remaining amount.

In some alternative embodiments, the hand dryer further comprises a wireless module and a second detection device disposed within the housing;

the second detection device is arranged in the tissue storage cavity and used for detecting the residual quantity of the tissue in the tissue storage cavity, the second detection device is connected with the wireless module, and when the residual quantity of the tissue is smaller than the preset minimum residual quantity, the second detection device sends an alarm signal to the wireless module.

In some alternative embodiments, the second detection device is an infrared sensor.

In some optional embodiments, a third air duct and two second air ducts are disposed in the accommodating cavity, the second air ducts are respectively located at the left side and the right side of the tissue storage cavity, the third air duct is disposed above the tissue storage cavity, two ends of the third air duct are respectively communicated with the second air ducts, and the third air duct is communicated with the second air blowing port.

In some alternative embodiments, the second air blowing port extends along the extending direction of the third air duct, and the cross section of the third air duct gradually decreases in a direction away from the second air duct.

In some alternative embodiments, the air treatment device further comprises an ultraviolet sterilization assembly and an air filtration assembly disposed within the air inlet duct, the air filtration assembly, the ultraviolet sterilization assembly, and the heating assembly being sequentially disposed in a direction proximate to the blower.

In some optional embodiments, the ultraviolet disinfection assembly includes a plurality of disinfection pipelines and a plurality of ultraviolet LED lamp groups, a plurality of disinfection pipelines are arranged in the air inlet duct side by side, two ends of the disinfection pipelines are communicated with the air inlet duct, and a plurality of ultraviolet LED lamp groups are uniformly paved on the inner wall of the disinfection pipelines.

In some alternative embodiments, the left side or the right side of the shell is provided with an air inlet, and the air inlet channel is communicated with the outside of the shell through the air inlet.

In order that the application may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view showing the structure of a hand dryer according to an embodiment of the present application;

fig. 2 is a cross-sectional view of a hand dryer according to one embodiment of the present application;

FIG. 3 is a cross-sectional view of a hand dryer in accordance with one embodiment of the present application when a tissue is placed;

FIG. 4 is a partial cross-sectional view of a housing of one embodiment of the application;

FIG. 5 is a schematic view of an air treatment device according to an embodiment of the present application;

fig. 6 is an enlarged view at a shown in fig. 2.

Reference numerals illustrate:

10. a housing; 11. a hand inserting groove; 12. a receiving chamber; 121. a tissue storage chamber; 122. a cover body; 1221. a through groove; 123. a second magnetic member; 124. a first air blowing port; 125. a second air blowing port; 126. a first air duct; 127. a second air duct; 128. an air inlet duct; 129. a third air duct; 13. a first magnetic member; 14. an air inlet; 20. a blower; 30. an air treatment device; 31. a heating assembly; 32. an ultraviolet disinfection assembly; 321. sterilizing the pipeline; 322. an ultraviolet LED lamp group; 33. an air filtration assembly; 40. a first detection device; 50. a second detection device; 60. a tissue;

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. In the description of the present application, unless otherwise indicated, the meaning of "plurality" is 2 or more than 2. In the description of the application, unless otherwise indicated, "a number" means 1 or more than 1.

Referring to fig. 1 and 2, which are a schematic structural view of a hand dryer according to an embodiment of the present application and a sectional view of a hand dryer according to an embodiment of the present application, respectively, the hand dryer includes: the device comprises a shell 10, a fan 20, an air treatment device 30 and a first detection device 40, wherein the fan 20, the air treatment device 30 and the first detection device 40 are arranged in the shell 10.

Referring to fig. 3 and 4, which are a cross-sectional view of a hand dryer according to an embodiment of the present application when placing a tissue and a partial cross-sectional view of a housing according to an embodiment of the present application, a hand inserting groove 11 through which a hand is inserted is formed on an outer side of the housing 10, a receiving cavity 12 is provided in the housing 10, a tissue 60 storage cavity 121, a first air blowing port 124, a second air blowing port 125, a first air duct 126, a second air duct 127 and an air inlet duct 128 are provided in the receiving cavity 12, the tissue 60 storage cavity 121 is located at a rear side of the hand inserting groove 11, an opening is formed at a top of the tissue 60 storage cavity 121, a cover 122 is provided at the opening, a through groove 1221 through which the tissue 60 passes is provided on the cover 122, the first air blowing port 124 and the second air blowing port 125 are both communicated with the hand inserting groove 11, the first air blowing port 124 is located at a front side of the hand inserting groove 11, the second air blowing port 125 is located at a rear side of the hand inserting groove 11, and the first air blowing port 60 is arranged above the first air duct 126 and the second air blowing port 127 are arranged at a rear side of the hand inserting groove 11, the first air blowing port 125 is staggered from the front side of the housing 121 and is communicated with the second air blowing port 128, and the tissue 60 is communicated with the air blowing port 128, and the tissue is stored at the front side of the second air blowing port 128, and is staggered from the front side of the air blowing port 125. The paper towel 60 storage cavity 121 and the second air duct 127 are staggered, so that the overall thickness of the shell 10 is reduced, and when the rear side of the shell 10 is mounted on a wall, the shell 10 is prevented from protruding too much wall, so that the space arrangement of the installation place of the hand dryer is prevented from being influenced, and the walking of people is prevented from being influenced.

The fan 20 is disposed in the accommodating cavity 12 and is respectively communicated with the first air duct 126, the second air duct 127 and the air inlet duct 128. Referring to fig. 5, which is a schematic structural diagram of an air treatment device according to an embodiment of the present application, the air treatment device 30 includes a heating assembly 31, and the heating assembly 31 is disposed in the air inlet duct 128; the first detecting device 40 is disposed on the casing 10 and connected with the fan 20 and the heating assembly 31, and is directed to the hand inserting groove 11, and is used for detecting whether a hand stretches into the hand inserting groove 11, when detecting that a hand stretches into the hand inserting groove 11, the first detecting device 40 sends detection signals to the fan 20 and the heating assembly 31, the fan 20 and the heating assembly 31 are started, the fan 20 sends hot air to the first air blowing port 124 and the second air blowing port 125 through the first air blowing port 126 and the second air blowing port 127, and the hot air is blown into the hand inserting groove 11 from the first air blowing port 124 and the second air blowing port 125. The paper towel 60 can be placed in the paper towel 60 storage cavity 121, the paper towel 60 is pulled out from the through groove 1221 on the cover body 122, a user can pull out the paper towel 60, most of water can be quickly wiped off by the paper towel 60 only for a few seconds, then residual water can be dried by hot air after the hands are inserted into the hand inserting grooves 11, the hands can be dried approximately without more than 10 seconds, the user is not required to occupy too much time, and people flow accumulation is avoided. In the present embodiment, the first and second air blowing ports 124 and 125 have substantially the same height.

Referring to fig. 6, which is an enlarged view of a portion a shown in fig. 2, in order to facilitate opening and closing of the cover 122, thereby facilitating placement and removal of the towel 60, in some alternative embodiments, the cover 122 is rotatably connected to the housing 10, a first magnetic member 13 is disposed on the housing 10, a second magnetic member 123 is disposed on the cover 122, and when the cover 122 closes the opening of the storage cavity 121 of the towel 60, the first magnetic member 13 and the second magnetic member 123 are in adsorption fit.

To facilitate confirmation of the remaining amount of towel 60 in the towel 60 storage cavity 121, in some alternative embodiments, the hand dryer further comprises a wireless module disposed within the housing 10; the wireless module is connected to the first detecting device 40. After the paper towel 60 is drawn out each time, the user stretches into the hand inserting groove 11 to dry the hand, so that the number of times of triggering the first detection device 40 corresponds to the number of times of the paper towel 60, and the user is not easy to trigger repeatedly due to the short drying time, the number of times of stretching the hand into the hand inserting groove 11 is obtained through the first detection device 40, then the residual quantity of the paper towel 60 in the paper towel 60 storage cavity 121 is judged based on the number of times of stretching the hand into the hand inserting groove 11, when the residual quantity of the paper towel 60 is smaller than the preset minimum residual quantity, the first detection device 40 sends an alarm signal to the wireless module, and the wireless module sends the alarm signal to terminal equipment used by staff, so that the staff is reminded of supplementing the paper towel 60. In some alternative embodiments, the first detecting device 40 includes a counter, a comparator, and an infrared sensor, the infrared sensor is disposed on the housing 10 and faces the hand inserting groove 11, the infrared sensor, the counter, and the comparator are sequentially connected, the infrared sensor is connected with the heating assembly 31 and the fan 20, the comparator is connected with the wireless module, the counter counts the number of times the infrared sensor detects hands, and sends a number of times signal to the comparator, the comparator compares the number of times signal with the minimum remaining amount, and if the number of times signal is smaller than the minimum remaining amount, an alarm signal is sent to the wireless module. In addition, the first detecting device 40 may also include a processor and an infrared sensor, where the processor has the functions of the counter and the comparator described above.

The present application also provides another way of detecting the remaining amount of tissue 60, in some alternative embodiments, the hand dryer further comprises a wireless module and a second detection device 50 disposed within the housing 10; the second detecting device 50 is disposed in the tissue 60 storage cavity 121, and is configured to detect a remaining amount of the tissue 60 in the tissue 60 storage cavity 121, and is connected to the wireless module, and when the remaining amount of the tissue 60 is less than a preset minimum remaining amount, the second detecting device 50 sends an alarm signal to the wireless module. In this embodiment, the second detecting device 50 is an infrared sensor, the infrared sensor is disposed near the bottom of the storage cavity 121 of the tissue 60, and the infrared sensor detects infrared signals generated by the tissue 60 facing the storage cavity 121 of the tissue 60. If the paper towel 60 is used up or the height of the paper towel 60 is lower than the height of the infrared sensor, so that the infrared sensor does not detect the paper towel 60, the second detection device 50 sends an alarm signal to the wireless module, and the wireless module sends the alarm signal to a terminal device used by a worker, so that the worker is reminded of supplementing the paper towel 60.

In some optional embodiments, the terminal device may include an internet device such as a User Equipment (UE), a server, a smart phone (e.g., an Android mobile phone, an IOS mobile phone, etc.), a personal computer, a palm computer, a mobile internet device (MID, mobile Internet Devices), or a wearable smart device, which embodiments of the disclosure are not limited.

In this embodiment, the hand dryer further comprises a controller, the controller is connected with the blower 20, the heating assembly 31, the first detecting device 40 and the second detecting device 50, the wireless module is connected with the controller, the controller is provided with a control panel, the control panel is arranged at the top of the shell 10, the first detecting device 40 sends detection signals to the controller, the operation of the blower 20 and the heating assembly 31 is controlled through the controller, the first detecting device 40 and the second detecting device 50 transmit alarm signals to the wireless module through the controller, and the controller can also independently control the operation of the blower 20 and the heating assembly 31.

In order to make the air outlet at the second air blowing port 125 uniform, in some alternative embodiments, a third air duct 129 and two second air ducts 127 are disposed in the accommodating cavity 12, the second air ducts 127 are respectively located at the left and right sides of the storage cavity 121 of the towel 60, the third air duct 129 is disposed above the storage cavity 121 of the towel 60, two ends of the third air duct 129 are respectively communicated with the second air ducts 127, and the third air duct 129 is communicated with the second air blowing port 125.

In order to make the wind pressure at each second wind blowing port 125 uniform, in some optional embodiments, the second wind blowing ports 125 extend along the extending direction of the third wind channel 129, the cross section of the third wind channel 129 gradually decreases in the direction away from the second wind channel 127, and since the position of the third wind channel 129 close to the second wind channel 127 also has the second wind blowing ports 125, the wind pressure at the position of the third wind channel 129 away from the second wind channel 127 is lost, which results in uneven wind pressure at each second wind blowing port 125, and by reducing the size of the middle position of the third wind channel 129, the wind pressure at the middle part of the third wind channel 129 is increased, thereby balancing the wind pressure at each second wind blowing port 125, and improving the user experience.

In some alternative embodiments, the air treatment device 30 further includes an ultraviolet sterilization assembly 32 and an air filtration assembly 33 disposed within the air inlet duct 128, and the air filtration assembly 33, the ultraviolet sterilization assembly 32, and the heating assembly 31 are sequentially disposed in a direction approaching the blower 20.

The air filter assembly 33 can filter air to remove impurities and moisture, and the structure of the air filter assembly 33 can be appropriately designed according to actual needs, and in this embodiment, the air filter assembly 33 includes a filter layer for filtering dust impurities and a drying layer for filtering moisture, not limited to this example. The principle and structure of the filter layer and the drying layer are known to those skilled in the art, and thus are not described in detail herein.

Because public places such as bathroom are more, can disinfect to a certain extent the air through ultraviolet disinfection, the structure of ultraviolet disinfection subassembly 32 can select suitable design according to actual need, in some optional implementation, ultraviolet disinfection subassembly 32 includes a plurality of disinfection pipeline 321 and a plurality of ultraviolet LED banks 322, and a plurality of disinfection pipeline 321 sets up side by side in air inlet duct 128, its both ends with air inlet duct 128 intercommunication, a plurality of ultraviolet LED banks 322 evenly lay the inner wall of disinfection pipeline 321, through a plurality of ultraviolet LED banks 322 shines in the disinfection pipeline 321, and then disinfects the air current that passes through ultraviolet. The ultraviolet sterilization assembly 32 may be in a normally open state, although the ultraviolet sterilization assembly 32 may be connected to the first detecting device 40, and the ultraviolet sterilization assembly 32 is started after the first detecting device 40 sends a detection signal to the ultraviolet sterilization assembly 32.

In some alternative embodiments, the left side or the right side of the housing 10 is provided with an air inlet 14, and the air inlet duct 128 is communicated with the outside of the housing 10 through the air inlet 14, so that the air inlet 14 is arranged at the side, and dust and germs on the bottom surface caused by arranging the air inlet 14 at the bottom are prevented from being sucked into the air inlet 14.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hand dryer, comprising: the device comprises a shell, a fan, an air treatment device and a first detection device, wherein the fan, the air treatment device and the first detection device are arranged in the shell;

the first detection device is arranged on the shell, is connected with the fan and the heating component, faces the hand inserting groove and is used for detecting whether a hand stretches into the hand inserting groove or not;

a third air duct and two second air ducts are arranged in the accommodating cavity, the second air ducts are respectively positioned at the left side and the right side of the tissue storage cavity, the third air duct is arranged above the tissue storage cavity, two ends of the third air duct are respectively communicated with the second air ducts, and the third air duct is communicated with the second air blowing port;

the second air blowing port extends along the extending direction of the third air duct, and the section of the third air duct is gradually reduced in the direction away from the second air duct.

2. A hand dryer according to claim 1, wherein: the cover body is rotationally connected with the shell, a first magnetic piece is arranged on the shell, a second magnetic piece is arranged on the cover body, and when the cover body is closed to the opening of the tissue storage cavity, the first magnetic piece and the second magnetic piece are in adsorption fit.

3. A hand dryer according to claim 1, further comprising: a wireless module disposed within the housing;

the wireless module is connected with the first detection device;

4. A hand dryer according to claim 1, further comprising: a wireless module and a second detection device disposed within the housing;

5. A hand dryer according to claim 4, wherein: the second detection device is an infrared sensor.

6. A hand dryer according to any one of claims 1 to 5, wherein: the air treatment device further comprises an ultraviolet disinfection assembly and an air filtering assembly which are arranged in the air inlet duct, and the air filtering assembly, the ultraviolet disinfection assembly and the heating assembly are sequentially arranged along the direction close to the fan.

7. A hand dryer according to claim 6, wherein: the ultraviolet disinfection assembly comprises a plurality of disinfection pipelines and a plurality of ultraviolet LED lamp groups, the disinfection pipelines are arranged in the air inlet duct side by side, two ends of the disinfection pipelines are communicated with the air inlet duct, and the ultraviolet LED lamp groups are uniformly paved on the inner wall of the disinfection pipelines.

8. A hand dryer according to any one of claims 1 to 5, wherein: the left side or the right side of the shell is provided with an air inlet, and the air inlet channel is communicated with the outside of the shell through the air inlet.