CN113729535B - Drying device of electronic toilet - Google Patents
Drying device of electronic toilet Download PDFInfo
- Publication number
- CN113729535B CN113729535B CN202010460739.6A CN202010460739A CN113729535B CN 113729535 B CN113729535 B CN 113729535B CN 202010460739 A CN202010460739 A CN 202010460739A CN 113729535 B CN113729535 B CN 113729535B
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- CN
- China
- Prior art keywords
- air
- air inlet
- air outlet
- drying apparatus
- outlet
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
-
- 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
-
- 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
Abstract
The application discloses a drying device of an electronic toilet, which is used for drying a 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 quantity of the fan assembly is not less than 13L/s, and the ventilation sectional area of the air outlet channel is not more than 600mm 2 When the air generated by the fan assembly is blown to the part of the human body through the air outlet of the air outlet channel, firstly, water drops remained on the part of the human body are blown down, and then, a water film remained on the part of the human body is dried. The drying device has extremely high drying efficiency, and completely overturns the drying experience of users in the traditional electronic toilet.
Description
Technical Field
The application relates to the technical field of intelligent closestools, in particular to a drying device of an electronic closets.
Background
At present, the drying function has become one of the basic functions of the electronic toilet, however, the drying device of the existing electronic toilet generally adopts a weak electric fan to provide power for hot air transportation, and has small air quantity and insufficient wind power. Thereby causing problems: 1. the realization of the drying function is carried out in a mode of evaporating the surface water by heating with warm air, so that the drying efficiency is too low; 2. when the hot air is discharged from the air outlet, the hot air is rapidly diffused to the periphery, and the required parts cannot be dried in a concentrated manner; 3. the low temperature steam formed during the slow drying process causes discomfort to the buttocks of the user. Therefore, the existing electronic toilet drying function generally needs drying time of more than 4 minutes, drying efficiency is low, many users prefer to clean and dry buttocks by using toilet paper, and use experience of the users in the electronic toilet is seriously affected.
Therefore, how to improve the drying efficiency of the drying device is a problem that the person skilled in the art still needs to solve.
On the other hand, the drying device of present electron stool pot does not have noise reduction noise elimination structure, and when the air current pulsation noise in the stoving pipeline, motor noise were great, unable effective noise reduction, and the noise is great when the stoving function of leading to the user to use intelligent stool pot, and environmental protection nature is relatively poor.
Disclosure of Invention
The application provides a drying device of an electronic toilet, which overcomes the defects of the prior art in the background technology.
The application relates to a drying device of an electronic toilet, which is used for drying a 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 quantity of the fan assembly is not less than 13L/s, the ventilation sectional area of the air outlet channel is not more than 600mm < 2 >, and when the air generated by the fan assembly is blown to the part of the human body through the air outlet of the air outlet channel, water drops remained on the part of the human body are firstly blown down, and then a water film remained on the part of the human body is dried.
The air quantity 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 130mm.
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 further provided with a tapered section positioned between the inlet and the outlet, the sectional area of the tapered section is gradually reduced along the direction from the inlet to the outlet, and the inner surface of the tapered section protrudes inwards.
The inlet is round or regular polygon, the outlet is round, 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 part is arranged on the air inlet part, small holes are uniformly distributed in the air inlet part, and the direction of opening the air inlet part is consistent with the direction of the air inlet part.
The wall thickness of the pore plate is 1-10mm, and the diameter of the small hole on the pore plate is 0.8-1.8mm.
The orifice plate sets up the entry, the terminal surface behind the orifice plate with the distance of fan subassembly's air inlet is 10-60mm.
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 in two ends of the shell, a first isolating piece is arranged inwards along the air outlet channel, and a closed cavity is formed in the first isolating piece and the inner wall of the shell.
The first isolating piece is characterized in that 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 penetration rate of the micropores is 1% -5%, and the aperture of the micropores is 0.8-1.5mm.
The micropore distance is 4-7mm, and the distance between the first separator and the shell is 3-5mm.
Compared with the background technology, the technical proposal of the application adopts the large air quantity fan and is matched with the corresponding air outlet mechanism, so that the air is concentrated when being discharged from the air outlet, and the required part can be dried by concentrating the wind power; in the drying process, the high-speed air firstly blows water drops left on the human body part, and then dries the residual water film after the water drops are blown off, so that the mode that accumulated water is evaporated by heating by warm air is changed, and the drying device of the electronic toilet can quickly dry the human body part in a short time (such as 30S to 1 MIN), has extremely high drying efficiency, and completely overturns the drying experience of a user on the traditional electronic toilet.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an electronic toilet drying device according to the present application;
FIG. 2 is an exploded view of an electronic toilet drying device according to the present application;
FIG. 3 is a schematic cross-sectional view of an electronic toilet drying device according to the present application;
fig. 4 is a schematic cross-sectional view of another embodiment of an electronic toilet drying device according to the present application.
Detailed Description
The application will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 to 4, the present application provides an electronic toilet drying device, comprising an air inlet portion 70, a fan assembly 50, a heating assembly 60 and an air outlet structure, wherein the air outlet structure comprises a housing 10 and an air outlet channel 20 formed in the housing 10, the air outlet end of the fan assembly 50 is communicated with the air inlet end of the air outlet channel 20, the fan assembly is an axial flow fan assembly, the air volume of the fan assembly is preferably not less than 13L/s (preferably 15-20L/s), and correspondingly, the ventilation cross-sectional area of the air outlet channel is not more than 600mm 2 . Because the axial flow fan with large air volume is matched with the air outlet of the air outlet channel, when the air generated by the fan component is blown to the part of the human body through the air outlet of the air outlet channel, the air speed is very high (can reach more than 25 m/s), firstly, the water drops remained on the part of the human body are blown down, and then, the water films remained on the 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 positioned 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, and the outlet is circular in shape and corresponds in size to 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 guiding role for the air inlet flow, the coanda surface effect is also formed, regular air bundles are formed and tangentially input to the air inlet end of the fan assembly 50 along the track of the air channel, the air bundles can optimally enter from the blade tangential direction of the fan assembly 50, and the fan vortex noise formed by the blade and the fan shell due to air cutting is reduced.
Preferably, the ratio of the minimum ventilation cross-sectional area of the air inlet portion to the maximum ventilation cross-sectional area of the air inlet portion is not less than 0.25. The minimum area of the overwind on the whole air inlet channel is not smaller than the overwind area of the fan assembly 50, so that the flow speed and the flow of the air inlet are not blocked due to the excessively small area, and the air inlet is smooth and has low noise. In this embodiment, the air inlet portion 70 further includes an orifice plate 74, the orifice plate is uniformly distributed with small holes, the direction of the opening of the orifice plate 74 is consistent with the wind direction, the wall thickness of the orifice plate is 1-10mm, and the diameter of the small holes on the orifice plate is preferably 0.8-1.8mm. When the orifice plate 74 is provided, the sum of the through-hole areas of the orifice plate 74 should be not less than the over-wind area of the fan assembly 50. The orifice plate 74 is preferably disposed at the inlet 71 with the rear face of the orifice plate 74 being spaced from the air inlet end of the blower by a distance of 10-60mm, preferably 20-45mm.
To further reduce noise generated during the intake, the inlet 71 may form a first sound-damping chamber 75 radially outwardly, the first sound-damping chamber 75 being filled with sound-absorbing material. As shown in fig. 4, a second sound-reducing cavity 76 may be formed radially outwards on the tapered section 73, where the tapered section 73 is communicated with micropores of the second sound-reducing cavity 76, which are regularly distributed in the wall thickness direction of the tapered section 73, and the micropores are regularly spaced and scientifically distributed according to a certain size.
The drying device further comprises a connecting part 77 for fixing the fan assembly 50, wherein the connecting part 77 is connected with the outlet 72, the diameter of the connecting part 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 part 77 and the fan assembly 50, and sound absorbing materials are filled in the third silencing cavity 78.
Regarding the air outlet structure, specifically, the two ends of the casing 10 form an air inlet 11 and an air outlet 12, the air outlet channel 20 is communicated with the air inlet 11 and the air outlet 12, and the air outlet channel 20 is substantially coaxially arranged with the air inlet 11 and the air outlet 12. The casing 10 is provided with a first spacer 30 inwardly along the air outlet passage 20, and the first spacer 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 passage 20. The ratio of the ventilation cross-sectional area of the air outlet 12 to the maximum ventilation cross-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 130mm.
The first separator 30 has a plurality of micropores 31 regularly distributed in a wall thickness direction, and the closed cavity 40 communicates with the air outlet passage 20 through the plurality of micropores 31. The first separator 30 is parallel to the airflow direction of the air outlet channel 20, and the laying direction of the micropores 31 is naturally parallel to the airflow direction. The first separator 30 separates the housing 10 into radially distributed inner and outer cavities, the outer cavities forming the closed cavity 40, and the inner cavities forming the air outlet channel 20. Because the inner space of the shell is limited, the space can be maximized by adopting the inner cavity and the outer cavity matched with the shape of the shell, and meanwhile, the noise at 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 or holes of other shapes, and in this embodiment, circular holes are preferred. The specific layout of micropores and the cavity size of the closed cavity can be adjusted according to different noise reduction frequencies aiming at different noise sources, such as parameters including adjustable micropore number, aperture, wall thickness of the first isolating piece, perforation rate, distance between the first isolating piece and the shell, and the like. In this embodiment, the sound absorption is mainly performed for high-frequency noise generated by the fan, preferably, the penetration rate of the micropores 31 is 1% -5%, the aperture of the micropores 32 is 0.8-1.5mm, the micropore spacing is 4-7mm, and the spacing between the first separator and the inner wall of the shell is 3-5mm.
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 mutually-fitted engagement structures. The first spacer 30 is provided inside the housing 10 around the housing 10, which is also provided as a separate body, and is divided 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-fitted clamping structure. The cavity formed inside the upper casing 32 and the lower casing 33 is the air outlet channel 20.
The air outlet channel 20 is divided into a front section 21 and a rear section 22 along the airflow flowing direction, the whole size of the front section 21 is uniform, the rear section 22 is gradually reduced towards the air outlet 12, the heating component 60 is arranged at the joint part of the front section 21 and the rear section 22, and the heating component 60 integrally stretches into the rear section 22.
Preferably, the enclosed cavity 40 may be further provided with a sound absorbing material filled therein, such as EVA material, and may be other sound insulating materials with better sound insulating properties. Can realize carrying out the sound insulation to the noise of high frequency channel through sound absorbing material and micropore cooperation back.
Preferably, the first separator 30 may be an elastic material member, so that the first separator 30 is elastically deformed to absorb sound energy during the blowing process and to eliminate a part of noise.
The fan assembly 50 comprises an axial flow fan 51 and a damping rubber sleeve 52 wrapped on the outer ring of the axial flow fan 51. The damping sleeve 52 has the protruding part 53 facing the outlet 72, which can effectively reduce the vibration generated by the fan during operation and reduce the noise in the air intake process.
When the drying function is activated, the axial flow fan 51 is activated and the air flow from the orifice plate 73 of the inlet end 71 enters the fan assembly 50 through the tapered section 74 and then into the air outlet structure. Because the axial flow fan 51 with the air volume not smaller than 13L/s is adopted, the air volume and the air speed entering the air outlet structure are greatly increased. When the air flows through the air outlet channel 20, the first separator 30 is provided with a micropore structure to allow the fluid in the air outlet channel 20 to pass through the micropore structure, and when the sound waves enter the micropore structure, the air rubs in the micropores to generate wind resistance to consume sound energy so as to eliminate noise. When the air flow is heated by the heating component 60 from the front section 21 of the air outlet channel, warm air is formed and is blown out from the air outlet 11 from the rear section 22 of the air outlet channel. Because the rear section 22 of the air outlet channel is tapered, the air flow is further compressed, the flow speed is greatly increased, and a high-speed warm air flow is formed. Because the flow velocity is very large (can reach more than 25 m/s), the warm current can keep strong wind force after being separated from the air outlet 11, and the warm current is matched with the air outlet direction, so that the local quick drying of the human body is realized.
For the design of the air outlet structure, the air outlet structure can further comprise a second separator 80, the second separator 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 separator 80. The two chambers are formed, so that noise can be further reduced, and a better effect is achieved.
While the preferred embodiments of the application have been illustrated and described, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be considered as excluding other embodiments, and that various other combinations, modifications, and environments are possible within the scope of the application herein, and may be modified by the foregoing teachings or by those of ordinary skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.
Claims (13)
1. The utility model provides a drying device of electron stool pot for stoving human part, includes fan subassembly, air-out passageway, the air-out end of fan subassembly communicates with the air inlet end of air-out passageway, the fan subassembly is axial 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 fan subassembly produced blows to human part through the air-out passageway air outlet, at first will remain the water droplet of human part and blow down, will remain the water film of human part again weathers, still has the air-out structure, the air-out structure includes the casing and is in the air-out passageway that forms in the casing, casing both ends form air intake and air outlet, follow the air-out passageway the casing is inwards provided with first separator, first separator with the inner wall of the casing forms airtight cavity.
2. The drying apparatus according to claim 1, wherein: the air quantity 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.
4. The drying apparatus according to claim 1, wherein: the length of the air outlet channel is not more than 130mm.
5. The drying apparatus according to any one of claims 1 to 4, 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 further provided with a tapered section positioned between the inlet and the outlet, the sectional area of the tapered section is gradually reduced along the direction from the inlet to the outlet, and the inner surface of the tapered section protrudes inwards.
6. The drying apparatus of claim 5, wherein: the inlet is round or regular polygon, the outlet is round, and the size of the outlet corresponds to the size of the air inlet end of the fan assembly.
7. The drying apparatus of claim 5, 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.
8. The drying apparatus of claim 5, wherein: the air inlet part is arranged on the air inlet part, small holes are uniformly distributed in the air inlet part, and the direction of opening the air inlet part is consistent with the direction of the air inlet part.
9. The drying apparatus of claim 8, wherein: the wall thickness of the pore plate is 1-10mm, and the diameter of the small hole on the pore plate is 0.8-1.8mm.
10. The drying apparatus of claim 8, wherein: the orifice plate sets up the entry, the terminal surface behind the orifice plate with the distance of fan subassembly's air inlet is 10-60mm.
11. The drying apparatus according to any one of claims 1 to 4, wherein: the first isolating piece is characterized in that 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.
12. The drying apparatus of claim 11, wherein: the penetration rate of the micropores is 1% -5%, and the aperture of the micropores is 0.8-1.5mm.
13. The drying apparatus according to claim 12, wherein: the micropore distance is 4-7mm, and the distance between the first separator and the shell is 3-5mm.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460739.6A CN113729535B (en) | 2020-05-27 | 2020-05-27 | Drying device of electronic toilet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113729535A CN113729535A (en) | 2021-12-03 |
| CN113729535B true CN113729535B (en) | 2023-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010460739.6A Active CN113729535B (en) | 2020-05-27 | 2020-05-27 | Drying device of electronic toilet |
Country Status (1)
| Country | Link |
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| CN (1) | CN113729535B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN113729535A (en) | 2021-12-03 |
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