Intelligent toilet cover and toilet with leakage isolator

Abstract

The utility model provides a kind of intelligent toilet cover with leakage isolator, including toilet cover base, leakage isolator assembly is included in the installation chamber being equipped with in toilet cover base, installation chamber is equipped with spray bar, and the electric heater for the water flow heating used to spray bar, further include several leakage isolator assembly, leakage isolator assembly includes positioning shell and spiral coiled built-in positioning shell's water passing pipeline, the both ends of water passing pipeline are worn out positioning shell and constitute inlet end and outlet end, outlet end is connected with spray bar, inlet end is connected with the water route being equipped with electric heater, positioning shell is installed in toilet cover base. By the water passing pipeline design of spiral coiling, the pipeline length between spray bar and electric heater is greatly extended, when electric heater occurs leakage, extended pipeline will significantly increase the resistance of current transmission, so that the current intensity reaching spray bar is greatly reduced, even if there is leakage, the current reaching spray bar is almost zero, significantly improve the safety of product.

Description

Technical Field

[0001] This utility model relates to the field of smart toilet seat technology, specifically to a smart toilet seat and toilet with a leakage current isolator. Background Technology

[0002] In the prior art, toilet seats typically include a toilet seat base, a cover for closing the toilet seat base, a mounting chamber within the toilet seat base, a spray nozzle within the mounting chamber, and an electric heater for heating the water flow used by the spray nozzle. Users control the extension and retraction of the spray nozzle to perform feminine wash, posterior wash, etc., and the water flow is heated to a set temperature by the electric heater before being sprayed out from the nozzle of the spray nozzle for comfortable cleaning. For example, Chinese patent document CN219289322U discloses a toilet mechanism, a toilet seat, and a smart toilet.

[0003] However, after prolonged use, the internal heating elements and wiring of electric heaters may experience insulation aging, cracking, or even exposed metal wires. If the heater leaks electricity, the leakage current will travel along the conductive water flow to the nozzle end of the spray bar, eventually forming a circuit through the user's body, causing an electric shock and posing a serious safety hazard. Although existing technologies attempt to mitigate this risk by adding a residual current device (RCD), the RCD can only cut off the power when the leakage current reaches a threshold (typically 30 mA), failing to prevent the painful stimulation of the body from momentary microcurrents. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to propose a smart toilet seat and toilet with leakage current isolation device to solve the problems mentioned in the background section above.

[0005] This utility model is achieved through the following technical solution:

[0006] A smart toilet seat with a leakage current isolator includes a toilet seat base, an installation chamber in the toilet seat base, a spray bar in the installation chamber, and an electric heater for heating the water flow used by the spray bar. It also includes several leakage current isolator assemblies, each of which includes a positioning housing and a spirally wound water passage built into the positioning housing. Both ends of the water passage extend out of the positioning housing and form an inlet and an outlet. The outlet is connected to the spray bar, and the inlet is connected to a water passage equipped with the electric heater. The positioning housing is mounted on the toilet seat base.

[0007] Furthermore, the installation chamber is provided with several deformation hook assemblies, the positioning housing includes an outer tube and an inner tube arranged coaxially, the deformation hook assemblies are engaged with the inner circumference of the inner tube, and the water passage is spirally wound between the outer tube and the inner tube.

[0008] Furthermore, the number of the deformable hook groups is greater than or equal to two.

[0009] Furthermore, the deformation hook assembly includes a plurality of deformation columns arranged in a circumferential array around the central axis of the inner tube. Each deformation column includes a snap-fit ​​portion, and the inner tube is provided with a snap-fit ​​groove for the snap-fit ​​portion to be inserted. The snap-fit ​​portion is provided with a guide slope extending downward at an incline.

[0010] Furthermore, the positioning housing also includes a first clearance groove and a second clearance groove that extend laterally through the outer tube. The first clearance groove is used to avoid the water inlet end of the water pipe, and the second clearance groove is used to avoid the water outlet end of the water pipe.

[0011] Furthermore, the water pipe is a flexible hose.

[0012] On the other hand, this utility model provides a toilet, including a smart toilet seat with a leakage current isolator as described in any of the preceding claims.

[0013] The beneficial effects of this utility model are as follows: A smart toilet seat with a leakage current isolator includes a toilet seat base, an installation chamber in the toilet seat base, a spray bar in the installation chamber, and an electric heater for heating the water flow used by the spray bar. It also includes several leakage current isolator components. Each leakage current isolator component includes a positioning housing and a spirally coiled water passage built into the positioning housing. The two ends of the water passage extend out of the positioning housing and form an inlet and an outlet. The outlet is connected to the spray bar, and the inlet is connected to a water passage containing the electric heater. The positioning housing is installed on the toilet seat base. Through the spirally coiled water passage design, the length of the pipe between the spray bar and the electric heater is significantly extended. When the electric heater leaks current, the extended pipe significantly increases the resistance of current transmission, resulting in a significant reduction in the current intensity reaching the spray bar. Even if leakage occurs, the current reaching the spray bar is almost zero, effectively preventing users from experiencing electric shock during use and significantly improving product safety. Attached Figure Description

[0014] Figure 1 This is a perspective view of the assembly of the toilet seat base and leakage current isolator of this utility model.

[0015] Figure 2 This is a schematic diagram showing the connection between the toilet seat base and the leakage current isolator assembly in part of this utility model.

[0016] Figure 3 This is an exploded view of the leakage current isolator assembly of this utility model.

[0017] Figure 4 This is a perspective view of the positioning shell of this utility model.

[0018] The above figures include the following reference numerals:

[0019] 1. Toilet seat base; 11. Deformation hook assembly; 111. Deformation column; 112. Snap-fit ​​part; 113. Guide slope; 2. Leakage isolator assembly; 21. Positioning housing; 211. Outer tube; 2111. First clearance groove; 2112. Second clearance groove; 212. Inner tube; 2121. Snap-fit ​​groove; 22. Water pipe; 221. Water inlet end; 222. Water outlet end. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. It should be noted that the description of these embodiments is intended to aid in understanding this utility model, but does not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] Reference Figures 1 to 4 As shown, a smart toilet seat with a leakage current isolator includes a toilet seat base 1, an installation chamber in the toilet seat base 1, a spray bar in the installation chamber, and an electric heater for heating the water flow used by the spray bar. The above content belongs to the prior art and will not be described in detail here.

[0022] The innovation of this utility model is that it also includes several leakage current isolator components 2. The leakage current isolator components 2 include a positioning housing 21 and a water passage 22 spirally coiled and built into the positioning housing 21. The two ends of the water passage 22 pass through the positioning housing 21 and form a water inlet end 221 and a water outlet end 222. The water outlet end 222 is connected to the spray bar, and the water inlet end 221 is connected to the water passage equipped with the electric heater. The positioning housing 21 is installed on the toilet seat base 1.

[0023] The spiral-wound water pipe 22 design significantly extends the pipe length between the spray bar and the electric heater.

[0024] According to the law of resistance, ,in, R It is a resistor , ρ It is resistivity ，L It is the length of the pipe.，A It refers to the cross-sectional area of ​​the pipe. The conductivity of tap water is usually between 200-800 μS / cm.

[0025] Based on the law of resistance, when an electric heater leaks current, the extended piping significantly increases the resistance of current transmission, resulting in a substantial reduction in the current intensity reaching the spray bar. Even with leakage, the current reaching the spray bar is almost zero, effectively preventing users from experiencing electric shock or stinging sensations during use and significantly improving product safety.

[0026] The spiral-wound water pipe design 22 not only increases resistance but also further enhances insulation through multi-layer winding. This design causes leakage current to undergo multiple turns and blocks during transmission, similar to a multi-layered insulation barrier, further reducing current transmission efficiency. Compared to traditional straight pipes, the spiral-wound structure provides higher insulation performance for the same length, offering users more reliable protection.

[0027] By designing the water pipe 22 as a spiral coil, the pipe length can be significantly increased without increasing the overall volume. Suitable for the narrow installation chamber of the toilet seat base 1, the layout of the water pipe 22 is compact, does not interfere with other components, and does not affect the product's appearance and installation dimensions.

[0028] The installation chamber is provided with a plurality of deformation hook assemblies 11. The positioning housing 21 includes an outer tube 211 and an inner tube 212 arranged coaxially. The deformation hook assemblies 11 are engaged with the inner circumference of the inner tube 212. The water passage 22 is spirally wound between the outer tube 211 and the inner tube 212.

[0029] The design of the deformation hook assembly 11 achieves the snap-fit ​​by overcoming a certain deformation force. This structure can ensure that the leakage current isolator assembly 2 remains fixed to the toilet seat base 1 after installation, and will not loosen or fall off due to factors such as moving the toilet or the impact of water flow during use.

[0030] During the design process, the voltage at the electric heater needs to be reduced to a safe human voltage (below 36V) by installing different numbers of leakage current isolators 2. If this is achieved, the leakage current isolators 2 can be considered usable. However, due to inconsistent standard voltages in different countries or regions (e.g., China uses 220V, the United States uses 120V), the number of deformation hook assemblies 11 required in the toilet seat base 1 should be greater than or equal to two. The corresponding number of leakage current isolators 2 can be inserted according to the standard voltage of the target sales region. Without changing the production mold of the toilet seat base 1, the number of deformation hook assemblies 11 should be greater than or equal to two, avoiding the need to re-mold the toilet seat base 1 or add SKUs due to regional voltage differences.

[0031] The deformation hook assembly 11 includes a plurality of deformation columns 111 arranged in a circumferential array around the central axis of the inner tube 212. Each deformation column 111 includes a snap-fit ​​portion 112. The inner tube 212 is provided with a snap-fit ​​groove 2121 for the snap-fit ​​portion 112 to be inserted into. The snap-fit ​​portion 112 is provided with a guide slope 113 extending downward at an incline.

[0032] The circumferential array of deformation columns 111 ensures that the locking force is evenly distributed in the circumference, resulting in symmetrical force during insertion, avoiding unilateral warping, and improving assembly coaxiality. Through the downward-sloping guide slope 113, the installer only needs to press the positioning housing 21 vertically downward, and the guide slope 113 automatically generates a radial component force, causing the deformation column 111 to elastically contract inward. When the locking part 112 aligns with the locking groove 2121, it instantly rebounds and embeds, achieving "one-plug-and-lock" and shortening the assembly time. The end of the guide slope 113 forms a barbed lock with the lower edge of the locking groove 2121 to prevent loosening due to transportation vibration or water flow impact from the water pipe 22.

[0033] The positioning housing 21 also includes a first clearance groove 2111 and a second clearance groove 2112 that extend laterally through the outer tube 211. The first clearance groove 2111 is used to avoid the water inlet end 221 of the water pipe 22, and the second clearance groove 2112 is used to avoid the water outlet end 222 of the water pipe 22.

[0034] The first clearance groove 2111 and the second clearance groove 2112 are transversely connected along the outer tube 211, forming opposing open windows. During assembly, the water pipe 22 can first be inserted through the first clearance groove 2111, and after completing the spiral winding inside the positioning housing 21, the end can directly exit through the second clearance groove 2112 without bending or squeezing the pipe body, thus avoiding pipe flattening, twisting or damage.

[0035] The water passage 22 is a flexible hose, which facilitates the spiral winding of the water passage 22 between the outer pipe section 211 and the inner pipe section 212.

[0036] As a preferred option, the material used for the water pipe 22 has a hardness range of Shore A 60~70. If an EPDM-silicone composite hose is used, it will not be too hard, causing creases or "dead folds" when spiraling, nor too soft, causing it to collapse or stick to the wall, thus ensuring smooth water flow.

[0037] As another embodiment, the present invention provides a toilet, including a smart toilet seat with a leakage current isolator as described in any of the preceding claims.

[0038] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0039] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0040] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A smart toilet seat with a leakage current isolator, comprising a toilet seat base (1), wherein the toilet seat base (1) has an installation chamber, the installation chamber has a spray bar, and an electric heater for heating the water flow used by the spray bar, characterized in that: It also includes several leakage current isolator assemblies (2), each leakage current isolator assembly (2) including a positioning housing (21) and a water pipe (22) spirally coiled inside the positioning housing (21). The two ends of the water pipe (22) extend out of the positioning housing (21) and form a water inlet (221) and a water outlet (222). The water outlet (222) is connected to the spray bar, and the water inlet (221) is connected to the water circuit equipped with the electric heater. The positioning housing (21) is installed on the toilet seat base (1).

2. The smart toilet seat with a leakage current isolator according to claim 1, characterized in that: The installation chamber is provided with several deformation hook assemblies (11). The positioning housing (21) includes an outer tube section (211) and an inner tube section (212) arranged coaxially. The deformation hook assemblies (11) are engaged with the inner circumference of the inner tube section (212). The water passage (22) is spirally wound between the outer tube section (211) and the inner tube section (212).

3. A smart toilet seat with a leakage current isolator according to claim 2, characterized in that: The deformation hook assembly (11) includes a plurality of deformation columns (111) arranged in a circumferential array around the central axis of the inner tube (212). The deformation column (111) includes a snap-fit ​​part (112). The inner tube (212) is provided with a snap-fit ​​groove (2121) for the snap-fit ​​part (112) to be inserted. The snap-fit ​​part (112) is provided with a guide slope (113) extending downward at an incline.

4. A smart toilet seat with a leakage current isolator according to claim 2, characterized in that: The number of the deformable hook group (11) is greater than or equal to two.

5. A smart toilet seat with a leakage current isolator according to claim 2, characterized in that: The positioning housing (21) further includes a first clearance groove (2111) and a second clearance groove (2112) that extend laterally through the outer tube (211). The first clearance groove (2111) is used to avoid the water inlet end (221) of the water pipe (22), and the second clearance groove (2112) is used to avoid the water outlet end (222) of the water pipe (22).

6. A smart toilet seat with a leakage current isolator according to claim 1, characterized in that: The water pipe (22) is a flexible hose.

7. A toilet, characterized in that: Including a smart toilet seat with a leakage current isolator as described in any one of claims 1 to 6.

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