Projection device and intelligent closestool
By designing a projection device on the smart toilet, using a lens to magnify the projected pattern and combining it with a waterproof design, the problem of users having difficulty locating the sensing area is solved, improving the ease of operation and the waterproof performance of the device.
Patent Information
- Application Number
- CN202520625246.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing smart toilets lack intuitive visual guidance, making it difficult for users to accurately locate the sensing area in low light or when using them for the first time, which can easily lead to accidental touches or inconvenience in operation. In addition, existing visual devices are loosely structured, bulky, and lack waterproof performance.
A projection device was designed, including a housing, a PCB control board, a lens assembly, and a transparent sheet. The lens magnifies the projection pattern and projects it onto the ground in a constantly lit manner. A sealed protection system is constructed by combining waterproof adhesive and sealing gaskets to ensure light transmission and waterproofing. The projection device is compact and suitable for humid environments.
It improves the intuitiveness and user experience of operation, reduces the possibility of accidental touches, extends the life of the device, and maintains good waterproof performance in humid environments.
Smart Images
Figure CN223911157U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to intelligent closestool technical field, especially a projection device and intelligent closestool. BACKGROUND
[0002] In the existing intelligent closestool products, the foot sensing technology can make the user close to the intelligent closestool to automatically flip the cover, and the foot sensing can automatically flip the circle, and the user does not need to bend down and does not need to touch the hands, so that the risk of bacterial infection is reduced in the use process, the user can be more hygienic, and the use experience of the user is improved. But it lacks intuitive visual guidance. The user needs to determine the sensing area position through experience or repeated trial and error, which leads to inconvenient operation, especially in insufficient light or initial use, which is prone to the problems of accidental touch or inaccurate positioning.
[0003] At present, some intelligent closestools on the market have foot sensing area visualization devices, but there are problems of loose structure, large volume and insufficient waterproof performance. UTILITY MODEL CONTENT
[0004] The utility model aims at at least one of the above technical problems in the related art to some extent. To this end, the utility model provides a projection device.
[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] The utility model further provides an intelligent closestool with the above projection device.
[0007] According to the projection device of the first aspect embodiment of the utility model, the projection device comprises a shell, a PCB control board, a lens assembly and a transparent sheet, the shell is formed with a first accommodating cavity and a second accommodating cavity in communication, the second accommodating cavity is located above the first accommodating cavity, the lens assembly is embedded in the first accommodating cavity, the PCB control board is embedded in the second accommodating cavity, the PCB control board is provided with a light source, the bottom wall of the first accommodating cavity is provided with a first light outlet hole, the lens assembly comprises a lens barrel, a projection pattern and a lens arranged in the lens barrel, the bottom of the lens barrel is provided with a second light outlet hole, the light source, the lens, the projection pattern, the first light outlet hole and the second light outlet hole are located in the same vertical direction, the transparent sheet is located between the first light outlet hole and the second light outlet hole, and the transparent sheet covers the entire second light outlet hole.
[0008] According to the projection device of the utility model embodiment, at least the following beneficial effects are achieved:
[0009] 1. The projection device is installed by putting the transparent sheet into the bottom of the first accommodating cavity of the shell, then putting the lens assembly and the circuit board, and finally pouring waterproof glue into the second accommodating cavity, that is, the installation is completed, the overall structure is compact, the volume is small, and the assembly is simple. The transparent sheet seals the second light outlet hole, which not only ensures that the light transmits, but also prevents water splashing from directly contacting the lens assembly, and both the projection effect and the waterproof performance are considered, which is suitable for the humid bathroom environment.
[0010] 2. The projection device enlarges the projection pattern through the lens and projects it on the ground all the time, so as to inform the user in a constant light mode, reduce the operation threshold, improve the use experience, avoid the sensing area when not in use, reduce the device misstart caused by accidental touch, avoid waste, and prolong the service life of the device.
[0011] According to some embodiments of the present application, the lens has a plurality of lenses arranged along the axial direction of the lens barrel.
[0012] According to some embodiments of the present application, the waterproof cotton is in a sheet shape and is attached to the lower surface of the PCB control board, and the upper end of the lens assembly abuts against the waterproof cotton.
[0013] According to some embodiments of the present application, the inner wall of the first accommodating cavity is provided with a guide positioning groove in the vertical direction, the upper end of the guide positioning groove is communicated with the second accommodating cavity, the outer wall of the lens barrel is provided with a positioning rib, and the positioning rib is embedded into the guide positioning groove from top to bottom.
[0014] According to some embodiments of the present application, the mounting arm is fixed on the shell, and the mounting hole is formed in the mounting arm.
[0015] According to some embodiments of the present application, the mounting arm is located on one side of the shell, the mounting arm comprises a first connecting section and a second connecting section connected with each other, the first connecting section is fixedly connected with the shell, the first connecting section is arranged in the vertical direction, the second connecting section is inclinedly extended downward in the direction away from the shell, and the mounting hole is formed in the second connecting section.
[0016] According to some embodiments of the present application, the projection pattern is engraved on the surface of the lens.
[0017] According to some embodiments of the present application, the sealing gasket is clamped between the first light outlet hole and the transparent sheet, the sealing gasket is annular, and is arranged along the edge of the first light outlet hole.
[0018] According to some embodiments of the present application, the plurality of lenses are mutually buckled, the uppermost lens is provided with a protrusion, the top of the lens barrel is provided with a limiting groove, and the protrusion is embedded into the limiting groove.
[0019] The smart toilet according to a second aspect of the present invention includes the projection device.
[0020] According to some embodiments of this utility model, the smart toilet is wall-mounted, the projection device is installed at the front end of the ceramic body of the smart toilet, and the projection area of the projection device is located on the foot sensor area of the smart toilet.
[0021] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0022] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0023] Figure 1 This is an overall structural diagram of the projection device of this utility model;
[0024] Figure 2 This is a side view of the projection device of this utility model;
[0025] Figure 3 This is an exploded view of the projection device of this utility model;
[0026] Figure 4 This is a cross-sectional view of the projection device of this utility model;
[0027] Figure 5 This is an internal structural diagram of the outer shell of this utility model.
[0028] Reference numerals: outer shell 100, first accommodating cavity 110, first light-emitting hole 111, guide positioning groove 112, second accommodating cavity 120, PCB control board 200, lens assembly 300, lens tube 310, positioning rib 311, limiting groove 312, second light-emitting hole 313, lens 320, transparent sheet 400, sealing gasket 500, waterproof cotton 600, mounting arm 700, mounting hole 710, first connecting section 720, second connecting section 730. Detailed Implementation
[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0030] Reference Figures 1-5The utility model provides a projection device, including shell 100, PCB control panel 200, lens assembly 300 and transparent sheet 400, shell 100 is formed with the first accommodating cavity 110 and second accommodating cavity 120 of intercommunication, and the second accommodating cavity 120 is located the top of first accommodating cavity 110, and lens assembly 300 is embedded in first accommodating cavity 110, and PCB control panel 200 is embedded in second accommodating cavity 120, and the second accommodating cavity 120 is filled with waterproof glue, and the light source is equipped on PCB control panel 200, and the bottom wall of first accommodating cavity 110 is opened with first light hole 111, and lens assembly 300 includes lens barrel 310 and is located in the projection pattern and lens 320 of lens barrel 310, and the bottom of lens barrel 310 is opened with second light hole 313, and the light source, lens 320, projection pattern, first light hole 111 and second light hole 313 are located in the same vertical direction, and transparent sheet 400 is located between first light hole 111 and second light hole 313, and transparent sheet 400 covers the whole second light hole 313.In the PCB control panel 200 with integrated high-brightness LED light emitting element, i.e. light source, after the drive circuit activation, the visible light signal generated by it is projected by the secondary transmission of lens 320 and the projection pattern of foot feeling response is projected.
[0031] The utility model discloses a projection device, including shell 100, PCB control panel 200, lens assembly 300 and transparent sheet 400, shell 100 is formed with the first accommodating cavity 110 and second accommodating cavity 120 of intercommunication, and the second accommodating cavity 120 is located the top of first accommodating cavity 110, and lens assembly 300 is embedded in first accommodating cavity 110, and PCB control panel 200 is embedded in second accommodating cavity 120, and the second accommodating cavity 120 is filled with waterproof glue, and the light source is equipped on PCB control panel 200, and the bottom wall of first accommodating cavity 110 is opened with first light hole 111, and lens assembly 300 includes lens barrel 310 and is located in the projection pattern and lens 320 of lens barrel 310, and the bottom of lens barrel 310 is opened with second light hole 313, and the light source, lens 320, projection pattern, first light hole 111 and second light hole 313 are located in the same vertical direction, and transparent sheet 400 is located between first light hole 111 and second light hole 313, and transparent sheet 400 covers the whole second light hole 313.In the PCB control panel 200 with integrated high-brightness LED light emitting element, i.e. light source, after the drive circuit activation, the visible light signal generated by it is projected by the secondary transmission of lens 320 and the projection pattern of foot feeling response is projected.
[0032] In some embodiments of the utility model, the lens 320 has a plurality of, and the plurality of lens 320 is arranged along the axial direction of lens barrel 310.Single lens 320 can produce spherical aberration (edge light focus not real), chromatic aberration (different wavelength light focus position is different) and other problems, through the combination of different curvature, material lens 320, can offset these aberrations, improve the projection definition.Multiple lens 320 system can optimize light collection and transmission path, reduce light loss.
[0033] In some embodiments of the utility model, still include waterproof cotton 600, waterproof cotton 600 is sheet shape, stick to the lower surface of PCB control panel 200, the upper end of lens assembly 300 abuts waterproof cotton 600. Waterproof PE cotton is preferred for waterproof cotton 600, one side of waterproof PE cotton has double-sided adhesive, which is tightly attached to the lower surface of PCB control panel 200 by double-sided adhesive, waterproof PE cotton cooperates with transparent sheet 400 and sealing gasket 500, and is clamped at both ends of lens assembly 300, which plays a waterproof protection role for lens assembly 300. Moreover, waterproof PE cotton cooperates with waterproof glue to jointly protect PCB control panel 200, and waterproof PE cotton can also prevent waterproof glue from leaking into lens assembly 300.
[0034] In some embodiments of the utility model, the inner wall of the first accommodating cavity 110 is provided with a guide positioning groove 112 in the vertical direction, the upper end of the guide positioning groove 112 is communicated with the second accommodating cavity 120, the outer wall of the lens barrel 310 is provided with a positioning rib 311, and the positioning rib 311 is embedded into the guide positioning groove 112 from top to bottom. The positioning rib 311 is vertically slid into the guide positioning groove 112, forcibly keeps the lens barrel 310 coaxial with the light source and the light exit hole, ensures that the projection pattern is not deviated or distorted, and prevents the lens barrel 310 from rotating. The positioning rib 311 is installed in a “plug-in and plug-out” mode along the guide positioning groove 112, without the need for screw fixing, and the assembly is simple and fast.
[0035] In some embodiments of the utility model, the mounting arm 700 is fixedly arranged on the shell 100, and the mounting hole 710 is formed in the mounting arm 700. The mounting arm 700 is detachably connected with the ceramic body of the closestool, facilitating maintenance and replacement of the projection device.
[0036] In some embodiments of the utility model, the mounting arm 700 is located on one side of the shell 100, the mounting arm 700 comprises a first connecting section 720 and a second connecting section 730 connected with each other, the first connecting section 720 is fixedly connected with the shell 100, the first connecting section 720 is arranged in the vertical direction, the second connecting section 730 is inclinedly extended downward in a direction away from the shell 100, and the mounting hole 710 is formed in the second connecting section 730. The projection device is fixed on the front end of the intelligent closestool by screws. Since the included angle between the first connecting section 720 and the second connecting section 730 is obtuse, the projection device slightly inclines forward of the closestool for irradiation, which is convenient for the user's foot to enter the projection area.
[0037] In some embodiments of the utility model, the projection pattern is engraved on the surface of the lens 320. The pattern is directly etched on the surface of the lens 320, so that the pattern is completely conformal with the optical curved surface of the lens 320, and the assembly error between the independent film and the lens 320 is eliminated.
[0038] In some embodiments of the utility model, still include gasket 500, gasket 500 is clamped between first light hole 111 and transparent sheet 400, gasket 500 is annular, and it is set along the edge of first light hole 111, when installing, gasket and transparent sheet are sequentially placed into the bottom of the first accommodating cavity of shell, then put in lens assembly and circuit board, finally pour waterproof adhesive in the second accommodating cavity, namely complete installation, through gasket, further promote the sealing property of tight transparent sheet, and gasket is used in combination, guarantee the optical performance integrity while constructing reliable sealing protection system, finally achieve the dual performance integration of light transmission and waterproof, applicable to the humid bathroom environment.
[0039] In some embodiments of the utility model, multiple lenses 320 are mutually buckled, the uppermost lens 320 is equipped with a convex, and the top of lens barrel 310 is equipped with limiting groove 312, and the convex is embedded into limiting groove 312. Limit the lens 320 by setting the convex and limiting groove 312 cooperation, avoid rotating or moving lens 320.
[0040] A kind of intelligent closestool, including above-mentioned projection device.
[0041] In some embodiments of the utility model, the intelligent closestool is wall-mounted, and the projection device is installed at the front end of the ceramic body of the intelligent closestool. The projection area of the projection device is located on the foot-sensing area of the intelligent closestool. The projection device enlarges the projection pattern through the lens 320 and projects it on the ground constantly. The projection of the sensing area in the form of constant light informs the user, reduces the operation threshold, improves the user experience, and avoids the sensing area when not in use, reduces the device misstart caused by accidental touch, avoids waste, and prolongs the service life of the device.
[0042] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A projection device, characterized by The application relates to a lens assembly, which comprises a shell (100), a PCB control board (200), a lens assembly (300) and a transparent sheet (400), the shell (100) is formed with a first accommodating cavity (110) and a second accommodating cavity (120) in communication, the second accommodating cavity (120) is located above the first accommodating cavity (110), the lens assembly (300) is embedded in the first accommodating cavity (110), the PCB control board (200) is embedded in the second accommodating cavity (120), a light source is arranged on the PCB control board (200), a first light outlet hole (111) is formed in the bottom wall of the first accommodating cavity (110), the lens assembly (300) comprises a lens barrel (310) and a lens (320) and a projection pattern arranged in the lens barrel (310), a second light outlet hole (313) is formed in the bottom of the lens barrel (310), the light source, the lens (320), the projection pattern, the first light outlet hole (111) and the second light outlet hole (313) are located in the same vertical direction, the transparent sheet (400) is located between the first light outlet hole (111) and the second light outlet hole (313), and the transparent sheet (400) covers the whole second light outlet hole (313).
2. The projection apparatus according to claim 1, wherein The lens (320) is provided in plurality, and the plurality of lenses (320) are arranged along the axial direction of the lens barrel (310).
3. The projection apparatus according to claim 1, wherein The waterproof cotton (600) is in sheet shape, is attached to the lower surface of the PCB control board (200), and the upper end of the lens assembly (300) abuts against the waterproof cotton (600).
4. The projection apparatus according to claim 1, wherein The inner wall of the first accommodating cavity (110) is provided with a guide positioning groove (112) in the vertical direction, the upper end of the guide positioning groove (112) is communicated with the second accommodating cavity (120), and the outer wall of the lens barrel (310) is provided with a positioning rib (311) which is embedded into the guide positioning groove (112) from top to bottom.
5. The projection apparatus according to claim 1, wherein The mounting arm (700) is fixed on the shell (100), and the mounting hole (710) is formed in the mounting arm (700).
6. The projection apparatus according to claim 5, wherein, The mounting arm (700) is located on one side of the shell (100), the mounting arm (700) comprises a first connecting section (720) and a second connecting section (730) connected with each other, the first connecting section (720) is fixedly connected with the shell (100), the first connecting section (720) is arranged in the vertical direction, the second connecting section (730) is inclinedly extended downwards in the direction away from the shell (100), and the mounting hole (710) is formed in the second connecting section (730).
7. The projection apparatus according to claim 1, wherein The sealing gasket (500) is clamped between the first light outlet hole (111) and the transparent sheet (400), the sealing gasket (500) is annular and arranged along the edge of the first light outlet hole (111).
8. The projection apparatus according to claim 2, wherein The plurality of lenses (320) are buckled to each other, the uppermost lens (320) is provided with a protrusion, the top of the lens barrel (310) is provided with a limiting groove (312), and the protrusion is embedded in the limiting groove (312).
9. A smart toilet, characterized by, The projection device comprises the projection device according to any one of claims 1-8.
10. The intelligent toilet according to claim 9, characterized in that, The intelligent toilet is wall-mounted, the projection device is installed at the front end of a ceramic body of the intelligent toilet, and a projection area of the projection device is located on a foot-sensing area of the intelligent toilet.