CN113729535A - Drying device of electronic toilet - Google Patents
Drying device of electronic toilet Download PDFInfo
- Publication number
- CN113729535A CN113729535A CN202010460739.6A CN202010460739A CN113729535A CN 113729535 A CN113729535 A CN 113729535A CN 202010460739 A CN202010460739 A CN 202010460739A CN 113729535 A CN113729535 A CN 113729535A
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- China
- Prior art keywords
- air
- air outlet
- fan assembly
- air inlet
- outlet channel
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/48—Drying by means of hot air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
The invention discloses a drying device of an electronic toilet stool, which is used for drying local parts of a human body and comprises a fan assembly and an air outlet channel, wherein the air outlet end of the fan assembly is communicated with the air inlet end of the air outlet channel, the fan assembly is an axial flow fan assembly, the air volume of the fan assembly is not less than 13L/s, the ventilation sectional area of the air outlet channel is not more than 600mm2When wind generated by the fan assembly blows to the local part of the human body through the air outlet of the air outlet channel, firstly, water drops remained on the local part of the human body are blown off, and then, the water films remained on the local part of the human body are dried. The drying device has extremely high drying efficiency, and completely subverts the drying experience of users in the traditional electronic toilet.
Description
Technical Field
The invention relates to the technical field of intelligent toilets, in particular to a drying device of an electronic toilet.
Background
At present, the drying function becomes one of basic functions of the electronic toilet, however, the existing drying device of the electronic toilet generally uses a weak current fan to provide power for conveying hot air, and the air volume is small and the wind power is insufficient. This brings about problems: 1. the drying function is realized by means of evaporating accumulated water on the body surface by heating with warm air, and the drying efficiency is too low; 2. hot air is quickly diffused to the periphery when being discharged from the air outlet, and the required part cannot be intensively dried; 3. the low temperature steam formed during the slow drying process causes discomfort to the buttocks of the user. Therefore, the drying function of the existing electronic toilet usually needs drying time of more than 4 minutes, the drying efficiency is too low, many users prefer to clean and dry the buttocks with toilet paper, and the use experience of the users in the electronic toilet is seriously influenced.
Therefore, how to improve the drying efficiency of the drying device is a problem to be solved by those skilled in the art.
On the other hand, the drying device of the current electronic toilet does not have a noise reduction and silencing structure, and when airflow pulsation noise and motor noise in a drying pipeline are large, the noise cannot be effectively reduced, so that the noise is large when a user uses the drying function of the intelligent toilet, and the environmental friendliness is poor.
Disclosure of Invention
The invention provides a drying device of an electronic toilet stool, which overcomes the defects of the prior art in the background technology.
The drying device of the electronic toilet bowl is used for drying the local part of a human body and comprises a fan assembly and an air outlet channel, wherein the air outlet end of the fan assembly is communicated with the air inlet end of the air outlet channel, the fan assembly is an axial flow fan assembly, the air volume of the fan assembly is not less than 13L/s, the ventilation sectional area of the air outlet channel is not more than 600mm2, when wind generated by the fan assembly is blown to the local part of the human body through the air outlet of the air outlet channel, water drops remained on the local part of the human body are blown off, and then the water films remained on the local part of the human body are dried.
The air volume of the fan assembly is 15-20L/s.
The ratio of the ventilation sectional area of the air outlet to the maximum ventilation sectional area of the air outlet channel is not more than 1: 4.
The length of the air outlet channel is not more than 130 mm.
The fan assembly is characterized by further comprising an air inlet part, wherein the air inlet part is provided with an inlet and an outlet which are arranged along the wind direction, the air inlet end of the fan assembly is connected with the outlet, the air inlet part is also provided with a reducing section which is positioned between the inlet and the outlet, the sectional area of the reducing section is gradually reduced along the direction from the inlet to the outlet, and the inner surface of the reducing section protrudes inwards.
The inlet is circular or regular polygon, the outlet is circular, and the size of the outlet corresponds to the size of the air inlet end of the fan assembly.
The ratio of the minimum ventilation sectional area of the air inlet part to the maximum ventilation sectional area of the air inlet part is not less than 0.25.
The air inlet structure is characterized by further comprising a pore plate arranged on the air inlet portion, small holes are uniformly distributed in the pore plate, and the opening direction of the pore plate is consistent with the wind direction.
The wall thickness of the pore plate is 1-10mm, and the diameter of the small hole on the pore plate is 0.8-1.8 mm.
The pore plate is arranged at the inlet, and the distance between the rear end surface of the pore plate and the air inlet end of the fan assembly is 10-60 mm.
The air outlet mechanism comprises a shell and an air outlet channel formed in the shell, an air inlet and an air outlet are formed at two ends of the shell, a first isolating piece is inwards arranged on the shell along the air outlet channel, and a closed cavity is formed by the first isolating piece and the inner wall of the shell.
A plurality of micropores are regularly distributed in the wall thickness direction of the first isolating piece, and the closed cavity is communicated with the air outlet channel through the micropores.
The perforation rate of the micropores is 1% -5%, and the aperture of the micropores is 0.8-1.5 mm.
The micropore interval is 4-7mm, and the interval between the first isolating piece and the shell is 3-5 mm.
Compared with the prior art, the technical scheme of the invention has the advantages that as the large-air-volume fan is adopted and the corresponding air outlet mechanism is matched, air is concentrated when being discharged from the air outlet, and the wind power can be concentrated to dry the required part; and high-speed wind at first can will remain at the local water droplet of human body and blow off among the drying process, and the water droplet blows behind and then weathers remaining water film, has changed and has relied on the mode that the warm braw heating made ponding evaporate originally, consequently, the drying device of this application electron stool pot can realize the human local of fast drying in short time (as 30S to 1 MIN), and drying efficiency is high, has overturned the stoving of user at traditional electron stool pot completely and has experienced.
Drawings
Fig. 1 is a schematic view of the overall structure of an electronic toilet drying device according to the present invention;
fig. 2 is an exploded view of an electronic toilet drying apparatus according to the present invention;
FIG. 3 is a schematic cross-sectional view of an electronic toilet drying apparatus according to the present invention;
fig. 4 is a schematic cross-sectional view of another embodiment of an electronic toilet drying apparatus according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 to 4, the present invention provides an electronic toilet drying device, which includes an air inlet portion 70, a fan assembly 50, a heating assembly 60, and an air outlet structure, wherein the air outlet structure includes a housing 10 and an air outlet channel 20 formed in the housing 10, an air outlet end of the fan assembly 50 is communicated with an air inlet end of the air outlet channel 20, the fan assembly is an axial flow fan assembly, an air volume thereof is preferably not less than 13L/s (preferably 15-20L/s), and correspondingly, a ventilation cross-sectional area of an air outlet of the air outlet channel is not more than 600mm2. Because the axial flow fan with large air volume is adopted and matched with the air outlet channel air outlet, when the air generated by the fan component is blown to the local part of the human body through the air outlet channel air outlet, the air speed is very high (can reach more than 25 m/s), firstly, water drops remained on the local part of the human body are blown off, and then, the water films remained on the local part of the human body are dried.
The air inlet portion 70 has an inlet 71 and an outlet 72 arranged along the wind direction, the air inlet end of the fan assembly 50 is connected with the outlet 72, the air inlet portion further has a tapered section 73 located between the inlet and the outlet, the sectional area of the tapered section 73 is gradually reduced along the direction from the inlet 71 to the outlet 72, and the inner surface of the tapered section 73 protrudes inwards. Preferably, the inlet 71 is circular or regular polygon in shape, the outlet is circular, and the size of the outlet corresponds to the size of the air inlet end of the fan assembly 50. Therefore, in the air suction process of the fan assembly 50, the tapered section 73 plays a role in guiding the air flow, and can also form a coanda surface effect, so that regular air beams are formed and are tangentially input to the air inlet end of the fan assembly 50 along the air channel track, the air beams can optimally enter from the blade tangential direction of the fan assembly 50, and the fan eddy noise formed by cutting air between the blade and the fan shell is reduced.
Preferably, the ratio of the minimum ventilation sectional area of the air inlet portion to the maximum ventilation sectional area of the air inlet portion is not less than 0.25. The minimum area of the air passing through the whole air inlet channel is not smaller than the air passing area of the fan assembly 50, so that the air inlet flow speed and flow can not be obstructed due to the small area, the air inlet is stable and slow, and the noise is low. In this embodiment, the air inlet portion 70 further includes a perforated plate 74, the perforated plate 74 has uniformly distributed small holes, the opening direction of the perforated plate 74 is consistent with the wind direction, the wall thickness of the perforated plate is 1-10mm, and the diameter of the small hole on the perforated plate is preferably 0.8-1.8 mm. When the perforated plate 74 is provided, the sum of the areas of the individual through holes of the perforated plate 74 should be no less than the area of the air flow of the fan assembly 50. The perforated plate 74 is preferably arranged at the inlet 71, and the distance between the rear end surface of the perforated plate 74 and the air inlet end of the fan is 10-60mm, preferably 20-45 mm.
To further reduce noise generated during intake of air, the inlet 71 may form a first muffling chamber 75 radially outward, and the first muffling chamber 75 is filled with a sound absorbing material. As shown in fig. 4, a second muffling cavity 76 may also be formed radially outward on the tapered section 73, the tapered section 73 is communicated with the second muffling cavity 76 through micropores regularly distributed in the wall thickness direction of the tapered section 73, and the micropores are scientifically arranged at regular intervals according to a certain size.
The drying device further comprises a connecting portion 77 used for fixing the fan assembly 50, the connecting portion 77 is connected with the outlet 72, the diameter of the connecting portion 77 is larger than that of the outlet 72 and larger than that of the fan assembly 50, a third silencing cavity 78 is formed between the connecting portion 77 and the fan assembly 50, and sound absorption materials are filled in the third silencing cavity 78.
Regarding the air outlet structure, specifically, the housing 10 forms an air inlet 11 and an air outlet 12 at two ends thereof, the air outlet channel 20 communicates the air inlet 11 and the air outlet 12, and the air outlet channel 20 is substantially coaxially disposed with the air inlet 11 and the air outlet 12. The casing 10 is provided with a first partition 30 along the air outlet channel 20, and the first partition 30 and the inner wall of the casing 10 form a closed cavity 40. Due to the arrangement of the closed cavity and the first isolating piece, noise in the air outlet channel can be effectively isolated. And the fan assembly 50 is disposed at the air inlet 11, and the heating assembly 60 is disposed in the air outlet channel 20. The ratio of the ventilation sectional area of the air outlet 12 to the maximum ventilation sectional area of the air outlet channel 20 is preferably not more than 1:4, and the length of the air outlet channel 20 is preferably not more than 130 mm.
A plurality of micropores 31 are regularly distributed in the wall thickness direction of the first partition 30, and the closed cavity 40 is communicated with the air outlet channel 20 through the plurality of micropores 31. The first partition 30 is parallel to the air flow direction of the air outlet channel 20, and the laying direction of the micro holes 31 therein is naturally parallel to the air flow direction. The first separator 30 separates the casing 10 into inner and outer cavities distributed along the radial direction, the outer cavity is formed as a closed cavity 40, and the inner cavity is formed as an air outlet channel 20. Because the inner space of the shell is limited, the inner cavity and the outer cavity matched with the shape of the shell can maximize the space, and meanwhile, the noise of certain local positions of the air outlet structure is avoided to be particularly obvious. The micropores referred to in the present application may be circular holes, square holes and other holes, and are preferably circular holes in the present embodiment. Aiming at different noise sources, the specific layout of the micropores and the cavity size of the closed cavity can be adjusted according to different noise reduction frequencies, such as the number of the micropores, the aperture, the wall thickness of the first isolating piece, the perforation rate, the distance between the first isolating piece and the shell and other parameters. In the embodiment, sound absorption is mainly performed on high-frequency noise generated by the fan, preferably, the perforation rate of the micropores 31 is 1% -5%, the pore diameter of the micropores 32 is 0.8-1.5mm, the distance between the micropores is 4-7mm, and the distance between the first isolating piece and the inner wall of the shell is 3-5 mm.
Specifically, the housing 10 is provided separately and divided into an upper housing 13 and a lower housing 14, and the upper housing 13 and the lower housing 14 are connected by a mutually-matched clamping structure. The first isolation member 30 surrounds the housing 10 inside the housing 10, and is also split into an upper housing 32 and a lower housing 33, and the upper housing 32 and the lower housing 33 are connected by a mutually matched clamping structure. The cavity formed inside the upper casing 32 and the lower casing 33 is the air outlet channel 20.
Air-out passageway 20 is divided into anterior segment 21 and back end 22 along the air current flow direction, and the whole size of anterior segment 21 is even, and back end 22 is towards air outlet 12 direction convergent, and heating element 60 sets up the joint portion at anterior segment 21 and back end 22, but heating element 60 wholly stretches into back end 22.
Preferably, the closed cavity 40 may be filled with a sound-absorbing material, such as an EVA material, or other sound-insulating materials with good sound-insulating properties. Can realize giving sound insulation to the noise of high frequency band behind sound absorbing material and the micropore cooperation.
Preferably, the first spacer 30 may be an elastic material, so that the first spacer 30 is elastically deformed during the blowing process to absorb sound energy and eliminate a part of noise.
The fan assembly 50 includes an axial fan 51 and a vibration-damping rubber sleeve 52 wrapped around the outer ring of the axial fan 51. The damping sleeve 52 is provided with the protruding part 53 facing the outlet 72, so that the vibration generated by the fan during working can be effectively reduced and transmitted to the drying device, and the noise in the air inlet process is reduced.
When the drying function is started, the axial flow fan 51 starts to work, and the airflow flows in from the orifice plate 73 of the inlet end 71, enters the fan assembly 50 through the tapered section 74 and then enters the air outlet structure. Because the axial flow fan 51 with the air volume not less than 13L/s is adopted, the air volume and the air speed entering the air outlet structure are greatly increased. When the airflow passes through the air outlet channel 20, since the first spacer 30 is provided with the micro-porous structure to allow the fluid in the air outlet channel 20 to pass through the micro-porous structure, when the sound wave enters the micro-porous structure, the air rubs in the micro-pores to generate wind resistance, consume sound energy and eliminate noise. When the airflow passes through the front section 21 of the air outlet channel and is heated by the heating assembly 60, warm airflow is formed and blown out from the rear section 22 of the air outlet channel by the air outlet 11. Because the air outlet channel rear section 22 is the convergent shape, consequently further compress the air current, the velocity of flow greatly increased forms high-speed warm flow. Because the flow velocity is very big (can reach more than 25 m/s), the warm current can also keep strong trend after breaking away from air outlet 11, cooperates the air-out direction, realizes the local quick drying of human body.
For the design of the air outlet structure, the air outlet structure may further include a second isolation member 80, the second isolation member 80 divides the closed cavity 40 into two chambers along the radial direction, and a plurality of micropores are also distributed on the side wall of the second isolation member 80. Therefore, two chambers are formed, so that the noise can be further reduced, and a better effect is achieved.
While the preferred embodiments of the invention have been illustrated and described, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and may be modified within the scope of the inventive concept herein, as indicated by the above teachings or as indicated by the teachings or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a drying device of electron stool pot for dry human part, includes fan subassembly, air-out passageway, the air-out end of fan subassembly and the air inlet end intercommunication of air-out passageway, the fan subassembly is axial-flow fan subassembly, the fan subassembly amount of wind is not less than 13L/s, the ventilation cross-sectional area of air-out passageway air outlet is not more than 600mm2, by when the wind that the fan subassembly produced blows to human part through air-out passageway air outlet, at first will remain at human local water droplet and blow off, will remain at human local water film again and weather.
2. The drying apparatus according to claim 1, wherein: the air volume of the fan assembly is 15-20L/s.
3. The drying apparatus according to claim 1, wherein: the ratio of the ventilation sectional area of the air outlet to the maximum ventilation sectional area of the air outlet channel is not more than 1:4, and the length of the air outlet channel is not more than 130 mm.
4. The drying apparatus according to claim 1, wherein: the fan assembly is characterized by further comprising an air inlet part, wherein the air inlet part is provided with an inlet and an outlet which are arranged along the wind direction, the air inlet end of the fan assembly is connected with the outlet, the air inlet part is also provided with a reducing section which is positioned between the inlet and the outlet, the sectional area of the reducing section is gradually reduced along the direction from the inlet to the outlet, and the inner surface of the reducing section protrudes inwards.
5. The drying apparatus according to claim 4, wherein: the inlet is circular or regular polygon, the outlet is circular, and the size of the outlet corresponds to the size of the air inlet end of the fan assembly.
6. The drying apparatus according to claim 4, wherein: the ratio of the minimum ventilation sectional area of the air inlet part to the maximum ventilation sectional area of the air inlet part is not less than 0.25.
7. The drying apparatus according to claim 4, wherein: the fan assembly is characterized by further comprising a pore plate arranged at the air inlet portion, small holes are uniformly distributed in the pore plate, the opening direction of the pore plate is consistent with the wind direction, the wall thickness of the pore plate is 1-10mm, the diameter of each small hole in the pore plate is 0.8-1.8mm, the pore plate is arranged at the inlet, and the distance between the rear end face of the pore plate and the air inlet end of the fan assembly is 10-60 mm.
8. The drying apparatus according to claim 1, wherein: the air outlet mechanism comprises a shell and an air outlet channel formed in the shell, an air inlet and an air outlet are formed at two ends of the shell, a first isolating piece is inwards arranged on the shell along the air outlet channel, and a closed cavity is formed by the first isolating piece and the inner wall of the shell.
9. The drying apparatus according to claim 8, wherein: a plurality of micropores are regularly distributed in the wall thickness direction of the first isolating piece, and the closed cavity is communicated with the air outlet channel through the micropores.
10. The drying apparatus according to claim 9, wherein: the perforation rate of the micropores is 1% -5%, the aperture of the micropores is 0.8-1.5mm, the distance between the micropores is 4-7mm, and the distance between the first isolating piece and the shell is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460739.6A CN113729535B (en) | 2020-05-27 | 2020-05-27 | Drying device of electronic toilet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460739.6A CN113729535B (en) | 2020-05-27 | 2020-05-27 | Drying device of electronic toilet |
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| CN113729535A true CN113729535A (en) | 2021-12-03 |
| CN113729535B CN113729535B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010460739.6A Active CN113729535B (en) | 2020-05-27 | 2020-05-27 | Drying device of electronic toilet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022143418A1 (en) * | 2020-12-30 | 2022-07-07 | 追觅科技(上海)有限公司 | Hand dryer housing structure, electric motor vibration damping structure, air conditioning device and hand dryer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113729535B (en) | 2023-09-08 |
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