Intelligent closestool heating device
By introducing a spiral heat-conducting device and a multi-layer sealing structure into the smart toilet heating device, the problem of slow heating device response has been solved, achieving rapid response and safety, and ensuring comfort and safety during use.
Patent Information
- Application Number
- CN202423257800.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing smart toilet heating devices respond slowly when the water temperature is too high, and the heating element needs to heat the air to a predetermined temperature before responding when the water flow is cut off, resulting in a slow response of the temperature control device and posing a safety hazard.
A spiral heat-conducting device, such as a metal spring or fin, is introduced into the heating device to improve thermal conductivity and quickly transfer heat to the thermostat. A second thermostat is installed in the mixing zone to ensure immediate stopping of heating. Combined with a multi-layer sealing structure, safety is ensured.
The heating device can respond quickly when the water flow is cut off, preventing dry burning, ensuring safety and uniform water temperature, and improving user comfort and safety.
Smart Images

Figure CN223723851U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to intelligent closestool technical field, specifically is a kind of intelligent closestool heating device. BACKGROUND
[0002] With the continuous development of bathroom function, the shape and function design of humanization make the toilet high and lofty, reflect the pursuit of comfortable life and healthy life of host. Nano antibacterial seat, paperless warm water cleaning, automatic flushing automatic deodorization, constant temperature seat, multiple intelligent "insurance" barrier and so on are all the humanization design of intelligent toilet.
[0003] Cleaning is the basic function of intelligent closestool, and in order to improve the comfort of use, it requires heating the water flow to make the cleaning water temperature close to body temperature, so the heating device is the basic configuration of closestool, and in order to ensure safety, overheat protection system is also set, that is, stop heating or stop water when the water temperature is too high, which requires the heating device to have a good response system, and when the water flow is cut off, the internal heating pipe will only respond when the air in the flow passage is heated to the predetermined temperature and transmitted to the temperature controller, and the thermal conductivity of air is limited, which leads to slow response of temperature control device. SUMMARY
[0004] (I) Technical solution
[0005] In order to solve the above technical problems, the utility model provides a kind of intelligent closestool heating device.
[0006] Specific technical solutions are as follows:
[0007] A kind of intelligent closestool heating device, including shell and end cover, heating pipe is arranged in the shell, the heating pipe is hollow inside, forms inner flow passage, the outer wall of the heating pipe and the inner wall of the shell form outer flow passage, one end of the inner flow passage is connected with one end of the outer flow passage, one end of the heating pipe is connected with water inlet, one end of the outer flow passage is connected with water outlet, water flow enters inner flow passage from water inlet and enters outer flow passage through inner flow passage and outer flow passage connection, finally, it is discharged from water outlet, heat conduction sheet is arranged on the shell, the heat conduction sheet extends to outer flow passage, for transmitting the temperature of medium in outer flow passage, first temperature controller is arranged on the side of the heat conduction sheet, when the temperature of medium exceeds preset temperature, first temperature controller transmits signal to make heating pipe stop heating, heat conduction device is arranged in the outer flow passage, and the heat conduction device is in contact with the outer wall of the heating pipe and the heat conduction sheet respectively, and the thermal conductivity of the heat conduction device is greater than that of air.
[0008] Further, the heat conduction device is a spiral spring, the spring is made of metal material, the outer wall of the spring is in contact with the heat conduction sheet, and the inner wall of the spring is in contact with the outer wall of the heating pipe.
[0009] Furthermore, the heat-conducting device is a spiral fin, which is integral with the housing and is made of metal. One side of the fin is in contact with the heat-conducting plate, and the other side is in contact with the outer wall of the heating tube.
[0010] Furthermore, the heating tube is provided with an annular partition, and the heating tube is divided into a heating part and a connecting part on both sides of the partition. The outer wall of the heating part forms an external flow channel with the inner wall of the housing and the side of the partition. The outer wall of the connecting part forms an open cavity with the end cap and the outer wall of the housing for connecting electrical components.
[0011] Furthermore, the end cap is provided with a raised first sealing ring and a second sealing ring inside. The first sealing ring is inserted into one end of the connecting part, and the outer wall of the first sealing ring is in an interference fit with the inner wall of the connecting part. The second sealing ring contacts and seals with the end face of the connecting part. The water inlet is provided on the end cap and is connected to the inner flow channel.
[0012] Furthermore, a third sealing ring for sealing is provided on the annular wall of the connecting part. The third sealing ring is made of rubber and contacts and seals with the annular inner wall of the end cap.
[0013] Furthermore, the outer wall of the shell extends to provide a mixing zone, and the outlet is connected to the mixing zone. The medium in the outer flow channel passes through the mixing zone and is discharged from the outlet. The mixing zone is provided with several baffles.
[0014] Furthermore, a stirring shaft is provided in the mixing zone.
[0015] Furthermore, a second temperature controller is provided at the upper part of the mixing zone. When the temperature of the medium in the mixing zone exceeds the preset temperature, the second temperature controller transmits a signal to stop the heating tube from heating. The first temperature controller is a manual reset temperature controller, and the second temperature controller is an automatic reset temperature controller.
[0016] (ii) Beneficial effects
[0017] Compared with the prior art, the present invention proposes a technical solution by setting a spiral heat conduction device in the outer flow channel. When the water flow is cut off and dry burning occurs, the heat of the heating tube can be quickly transferred to the heat conduction plate through the heat conduction device, and then transferred to the first temperature controller through the heat conduction plate, so as to respond in time. At the same time, the spiral heat conduction device can ensure the uniformity of heating and prevent uneven water temperature from affecting the use. Attached Figure Description
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0019] Fig. 1 It is a structural schematic diagram of the present application.
[0020] Fig. 2 It is a structural schematic diagram of the present application.
[0021] Fig. 3 It is a fin distribution schematic diagram.
[0022] Fig. 4 It is a structural schematic diagram of the present application. Specific implementation
[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0024] In the related prior art, heating or water supply is stopped when the water temperature is too high, which requires a good response system inside the heating device. When the water flow is cut off, the internal heating pipe will only respond when the air in the flow channel is heated to the predetermined temperature and transmitted to the temperature controller. However, the thermal conductivity of air is limited, which leads to slow response of the temperature control device.
[0025] To solve the problems in the related prior art, the present application proposes an intelligent toilet heating device. The principles and structures of the present application will be described in detail below in combination with the drawings and embodiments.
[0026] Please refer to Figs. 1 to 4The utility model provides a kind of intelligent closestool heating device, including shell 1 and end cover 2, heating pipe 3 is equipped in shell 1 inside, cylindrical cavity is equipped in shell 1 inside, heating pipe 3 is placed in cavity inside, hollow in heating pipe 3, two ends are open, form inner flow channel, heating pipe 3 outer wall and shell 1 inner wall form outer flow channel, inner flow channel one end and outer flow channel one end are connected, and heating pipe 3 one end is connected with water inlet 4, and outer flow channel one end is connected with water outlet 5, water flow enters inner flow channel from water inlet 4 and enters outer flow channel by inner flow channel and outer flow channel junction, finally, it is discharged from water outlet 5, and heat conduction sheet 6 is equipped on shell 1, heat conduction sheet 6 extends to outer flow channel, for transferring medium temperature in outer flow channel, and first temperature controller 7 is correspondingly equipped on one side of heat conduction sheet 6, when medium temperature exceeds preset temperature, first temperature controller 7 transmits signal to make heating pipe 3 stop heating, and heat conduction device is equipped in outer flow channel, and heat conduction device is respectively contacted with heating pipe 3 outer wall and heat conduction sheet 6, and the thermal conductivity of heat conduction device is greater than the thermal conductivity of air.
[0027] Specifically, the heat conduction device is a spiral spring 8, the spring 8 is made of metal, the outer wall of the spring 8 is in contact with the heat conduction sheet 6, the inner wall of the spring 8 is in contact with the outer wall of the heating pipe 3, the spring 8 is wound around the outer wall of the heating pipe 3, and the outer side of the spring 8 is in contact with the heat conduction sheet 6. The thermal conductivity of the spring 8 is greater than that of air. When the water stops flowing and the heating pipe 3 is dry, the spring 8 can quickly transfer the temperature to the heat conduction sheet, and then the heat conduction sheet transfers the temperature to the first temperature controller 7, so as to control the heating pipe 3 to stop heating.
[0028] Alternatively, the heat conduction device is a spiral fin 9, the fin 9 is an integral structure with the shell 1 and is made of metal. One side of the fin 9 is in contact with the heat conduction sheet 6, and the other side is in contact with the outer wall of the heating pipe 3. The fin 9 can also quickly transfer heat like the spring 8,
[0029] In addition, by setting the spiral fin 9 or the spring 8 and other spiral heat conduction devices, the water flow passes through the fin 9 or the spring 8, which can also improve the mixing effect of the water flow, ensure the uniformity of the subsequent water temperature, and effectively prevent the uneven water temperature from affecting the use.
[0030] Specifically, the heating pipe 3 is provided with an annular partition plate 10. The heating pipe 3 is divided into a heating part 3a and a connecting part 3b on both sides of the partition plate. The outer wall of the heating part 3a, the inner wall of the shell 1, and the side of the partition plate 10 form an outer flow channel. The outer wall of the connecting part 3b, the end cover 2, and the outer wall of the shell 1 form an open cavity for connecting electrical elements. The heating part and the electrical connection part are separated by the partition plate 10, which effectively ensures safety and sealing. At the same time, the entire element is grounded for further safety.
[0031] The end cover 2 is internally provided with a first sealing ring 11 and a second sealing ring 12, the first sealing ring 11 is inserted at one end of the connecting part 3b, and the outer wall 11 of the first sealing ring is in interference fit with the inner wall of the connecting part 3b, the second sealing ring 12 is in contact sealing with the end face of the connecting part 3b, the water inlet 4 is arranged on the end cover 2 and connected with the inner flow channel.
[0032] The outer wall of the shell 1 is extended with a water mixing area 14, the water outlet 5 is connected with the water mixing area 14, the medium in the outer flow channel is discharged from the water outlet 5 after passing through the water mixing area 14, the water mixing area 14 is internally provided with a plurality of baffle plates 15, and the water mixing area 14 is internally provided with a stirring shaft 16, when the heated water enters the water mixing area 14, the water is stirred by the stirring shaft 16 and sequentially passes through the plurality of baffle plates 15, so that more uniform mixing effect can be realized, and the temperature of the water flow discharged from the water outlet is prevented from being high or low.
[0033] The upper portion of the water mixing area 14 is provided with a second temperature controller 17, when the temperature of the medium in the water mixing area 14 exceeds a preset temperature, the second temperature controller 17 transmits a signal to stop the heating of the heating pipe 3, the first temperature controller 7 is a manual reset temperature controller, and the second temperature controller 17 is an automatic reset temperature controller.
[0034] Specific working principles are as follows: water enters the inner end of the heating pipe 3 from the water inlet 4, and enters the outer flow channel through the connection between the inner flow channel and the outer flow channel to flow, the water flow is instantaneously heated through the outer wall of the heating pipe 3, the heated water flow enters the water mixing area 14, is fully mixed by the stirring shaft 16 and the baffle plates 15, and is finally discharged from the water outlet 5, so that the heating of the water flow is realized.
[0035] During the heating process, when water stop occurs, the spring 8 or the fin 9 arranged can more quickly transmit the temperature to the first temperature controller 7, so that the control unit controls the heating pipe 3 to stop heating, the device is prevented from being damaged due to dry burning, and the second temperature controller 17 is arranged in the water mixing area 14, when the water temperature in the water mixing area 14 is higher than a preset temperature, the second controller 17 can also be fed back to the control unit, so that the control unit controls the heating pipe 3 to stop heating.
[0036] The above is only a preferred embodiment of the utility model, and is not used for limiting the utility model, for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A smart toilet heating device, characterized in that: Includes a shell (1) and an end cap (2). A heating tube (3) is provided inside the shell (1). The heating tube (3) is hollow, forming an inner flow channel. The outer wall of the heating tube (3) and the inner wall of the shell (1) form an outer flow channel. One end of the inner flow channel and one end of the outer flow channel are connected. One end of the heating tube (3) is connected to an inlet (4), and one end of the outer flow channel is connected to an outlet (5). Water flows from the inlet (4) into the inner flow channel and through the connection between the inner and outer flow channels into the outer flow channel, finally exiting from the outlet (5). 5) Discharge, the shell (1) is provided with a heat-conducting plate (6), the heat-conducting plate (6) extends into the outer channel to transfer the temperature of the medium in the outer channel. A first temperature controller (7) is provided on one side of the heat-conducting plate (6). When the medium temperature exceeds the preset temperature, the first temperature controller (7) transmits a signal to make the heating tube (3) stop heating. A heat-conducting device is provided inside the outer channel. The heat-conducting device is in contact with the outer wall of the heating tube (3) and the heat-conducting plate (6) respectively. The thermal conductivity of the heat-conducting device is greater than that of air.
2. The intelligent toilet heating device according to claim 1, characterized in that: The heat-conducting device is a spiral spring (8), which is made of metal. The outer wall of the spring (8) is in contact with the heat-conducting sheet (6), and the inner wall of the spring (8) is in contact with the outer wall of the heating tube (3).
3. The intelligent toilet heating device according to claim 1, characterized in that: The heat-conducting device is a spiral fin (9). The fin (9) and the shell (1) are an integral structure and are made of metal. One side of the fin (9) is in contact with the heat-conducting plate (6), and the other side is in contact with the outer wall of the heating tube (3).
4. The intelligent toilet heating device according to claim 1, characterized in that: The heating tube (3) is provided with an annular partition (10). The heating tube (3) is located on both sides of the partition and is divided into a heating part (3a) and a connecting part (3b). The outer wall of the heating part (3a) forms an external flow channel with the inner wall of the shell (1) and the side of the partition (10). The outer wall of the connecting part (3b) forms an open cavity with the end cap (2) and the outer wall of the shell (1) for connecting electrical components.
5. The intelligent toilet heating device according to claim 4, characterized in that: The end cap (2) is provided with a raised first sealing ring (11) and a second sealing ring (12). The first sealing ring (11) is inserted into one end of the connecting part (3b), and the outer wall of the first sealing ring (11) is in an interference fit with the inner wall of the connecting part (3b). The second sealing ring (12) is in contact with the end face of the connecting part (3b) for sealing. The water inlet (4) is provided on the end cap (2) and connected to the inner flow channel.
6. The intelligent toilet heating device according to claim 5, characterized in that: The connecting part (3b) has a third sealing ring (13) for sealing on its annular wall. The third sealing ring (13) is made of rubber and is in contact with the annular inner wall of the end cap (2) for sealing.
7. The intelligent toilet heating device according to claim 1, characterized in that: The outer wall of the shell (1) extends to provide a mixing zone (14), and the outlet (5) is connected to the mixing zone (14). The medium in the outer flow channel passes through the mixing zone (14) and is discharged from the outlet (5). The mixing zone (14) is provided with several baffles (15).
8. The intelligent toilet heating device according to claim 7, characterized in that: The mixing zone (14) is equipped with a stirring shaft (16).
9. A smart toilet heating device according to claim 7, characterized in that: The mixing zone (14) is equipped with a second temperature controller (17). When the temperature of the medium in the mixing zone (14) exceeds the preset temperature, the second temperature controller (17) transmits a signal to stop the heating tube (3) from heating. The first temperature controller (7) is a manual reset temperature controller, and the second temperature controller (17) is an automatic reset temperature controller.