A toilet self-cleaning system and control method

Abstract

A toilet self-cleaning system and a control method, the toilet self-cleaning system comprising: a flushing water path for washing the toilet bowl; a foam supply device for supplying foam liquid to the toilet bowl; a control unit in electrical communication with the foam supply device and the flushing water path respectively; the control unit is configured to: respond to a user instruction and determine a corresponding target flushing mode; control the flushing water path to wash the toilet bowl according to the target flushing mode; and control the foam supply device to selectively supply foam liquid to the toilet bowl during the execution of the target flushing mode. The system of the present application realizes the control of the foam supply device to selectively supply foam liquid to the toilet bowl during the execution of the target flushing mode.

Description

Technical Field

[0001] This invention relates to the field of smart toilet technology, and in particular to a toilet self-cleaning system and control method. Background Technology

[0002] As people's demands for toilet hygiene and healthy living quality increase, existing technologies have emerged that involve adding foam generating devices to toilets, using foam coverage in foam shield mode to prevent splashing.

[0003] However, traditional toilets typically use tap water for flushing, which is insufficient for sterilization and cleaning, and is also quite noisy. This means that during the crucial flushing stage, the auxiliary functions of foam in lubrication, waste breakdown, odor control, and antibacterial properties are missing, making it difficult to significantly improve toilet hygiene. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a toilet self-cleaning system, comprising: Flushing water system, used to clean toilet bowls; A foam supply device for supplying foam liquid to the toilet bowl; The control unit is electrically and communicatively connected to the foam supply device and the flushing water circuit, respectively; the control unit is configured as follows: Responding to user commands and determining the corresponding target flushing mode; According to the target flushing mode, the flushing water path is controlled to wash the toilet bowl; and during the execution of the target flushing mode, the foam supply device is controlled to selectively supply foam liquid to the toilet bowl.

[0005] Optionally, the flushing water path includes a washing water path and a jetting water path respectively installed on the toilet. The washing water path is used to wash the surface of the toilet bowl, and the jetting water path is used to spray the bottom of the toilet bowl. The target rinsing mode includes one or more of the following stages: single-rush rinsing stage, simultaneous-rush rinsing stage, and brush circle rinsing stage. The single-flush stage refers to the control unit only controlling the jet water path to open to spray the bottom of the toilet bowl; the simultaneous flush stage refers to the control unit controlling the washing water path and the jet water path to open simultaneously, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; the brush ring flush stage refers to the control unit controlling the washing water path to wash the toilet bowl surface. During the execution of the target flushing mode, the foam supply device is controlled to selectively supply foam liquid to the toilet bowl in one or more of the single flushing stage, the same flushing stage, and the brush ring flushing stage.

[0006] Optionally, the target mode is a single-stroke mode or a two-stroke mode; The single-pass flushing mode includes at least one single-pass flushing phase or one simultaneous flushing phase. The secondary flushing mode includes at least two single flushing stages, or at least two simultaneous flushing stages, or at least one single flushing stage and one simultaneous flushing stage.

[0007] Optionally, the single-pass mode further includes a brush ring rinsing stage; the brush ring rinsing stage is present before the single-pass rinsing stage or the same-pass rinsing stage, and / or the brush ring rinsing stage is present after the single-pass rinsing stage or the same-pass rinsing stage. The secondary flushing mode further includes a brush ring flushing stage, which is present before the single flushing stage or the same flushing stage, and / or, after the single flushing stage or the same flushing stage.

[0008] Optionally, when the target flushing mode is the single-flush mode, the flushing water path is controlled to perform the following flushing stages on the toilet bowl: First flushing stage: The flushing water path is opened for the first time to flush the toilet bowl surface. Single flushing stage: Control the opening of the jet water path to spray the bottom of the toilet bowl; or simultaneous flushing stage: Control the opening of the washing water path and the jet water path simultaneously to wash the surface of the toilet bowl and spray the bottom of the toilet bowl. Second flushing stage: The flushing water path is opened for the second time to flush the toilet bowl surface a second time; When the target flushing mode is the single-flush mode, the foam supply device is selectively controlled to supply foam liquid to the toilet bowl, specifically: The foam supply device is controlled to supply foam liquid to the toilet bowl during one or more of the above-mentioned flushing stages.

[0009] Optionally, when the target flushing mode is the single flushing mode, the flushing water path is controlled to perform the following flushing stages: Simultaneous flushing stage: Control the washing water path and the spray water path to open simultaneously, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by controlling the foam supply device to supply foam liquid to the toilet bowl during the flushing phase.

[0010] Optionally, when the target flushing mode is the single flushing mode, the flushing water path is controlled to perform the following flushing stages: Simultaneous flushing stage: Control the washing water path and the spray water path to open simultaneously, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; The flushing stage involves controlling the opening of the flushing water path to flush the toilet bowl surface. The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by controlling the foam supply device to supply foam liquid to the toilet bowl during the flushing phase and / or the brush ring flushing phase.

[0011] Optionally, when the target flushing mode is the secondary flushing mode, the flushing water path is controlled to perform the following flushing stages on the toilet bowl: First flushing stage: The flushing water path is opened for the first time to flush the toilet bowl surface. First single flush stage: Control the spray water path to open for the first time to spray the bottom of the toilet bowl for the first time; or first simultaneous flush stage: Control the washing water path and the spray water path to open simultaneously for the first time to wash the toilet bowl surface and spray the bottom of the toilet bowl simultaneously. Second flushing stage: The flushing water path is opened for the second time to flush the toilet bowl surface a second time; Second single flush stage: Control the spray water path to open for the second time to spray the bottom of the toilet bowl for the second time; or second simultaneous flush stage: Control the washing water path and the spray water path to open simultaneously for the second time to wash the toilet bowl surface and spray the bottom of the toilet bowl for the second time. The third flushing stage: the flushing water circuit is opened for the third time to flush the toilet bowl surface for the third time. The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by controlling the foam supply device to supply foam liquid to the toilet bowl in one or more of the above-mentioned flushing stages.

[0012] Optionally, when the target flushing mode is the secondary flushing mode, controlling the foam supply device to selectively supply foam liquid to the toilet bowl includes: The foam supply device is controlled to supply foam liquid to the toilet bowl at least during one of the following stages: the second flushing stage, the second single flushing stage, or the second simultaneous flushing stage.

[0013] Optionally, when the target flushing mode is the secondary flushing mode, controlling the foam supply device to selectively supply foam liquid to the toilet bowl further includes: The foam supply device is controlled to supply foam liquid to the toilet bowl during one or more of the following stages: the first brush ring flushing stage, the first single flushing stage or the first simultaneous flushing stage, and the third brush ring flushing stage.

[0014] Optionally, during the execution of the target rinsing mode, the foam supply device is controlled to selectively supply foam in the single-rinse rinsing stage, the simultaneous rinsing stage, and the brush ring rinsing stage, wherein foam liquid is supplied through the jet water path in the single-rinse rinsing stage, foam liquid is supplied through the washing water path and / or the jet water path in the simultaneous rinsing stage, and foam liquid is supplied through the washing water path in the brush ring rinsing stage.

[0015] Corresponding to the toilet self-cleaning control system, the present invention also provides a toilet self-cleaning control method, which is applied to a toilet self-cleaning system as described above, and includes the following steps: Responding to user commands and determining the corresponding target flushing mode; According to the target flushing mode, the flushing water path is controlled to wash the toilet bowl; and during the execution of the target flushing mode, the foam supply device is selectively controlled to supply foam liquid to the toilet bowl.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The system described in this invention enables the selective supply of foam liquid to the toilet bowl by the foam supply device during the execution of the target flushing mode. Thus, during the flushing phase, the toilet bowl can achieve lubrication, waste decomposition, odor isolation, and antibacterial effects through the foam, completely eliminating cleaning blind spots and significantly improving the overall hygiene level and continuous antibacterial ability of the toilet. Simultaneously, the system achieves intelligent synergy between foam and flushing water, ensuring cleaning effectiveness while also conserving resources, improving the system's flexibility and automation, and realizing intelligent process control for toilet self-cleaning.

[0017] 2. In the two-flush mode, the first brush ring flushing stage and the single flushing stage are the toilet cleaning stages, where the toilet uses a siphon effect to remove waste. Foam liquid can be supplied or not supplied during these two flushing stages. However, by controlling the foam supply device to supply foam liquid to the toilet bowl during the second brush ring flushing stage and / or the second single flushing stage, further cleaning can be achieved through foam, resulting in a better flushing effect.

[0018] 3. In the two-flush mode, the first brush ring flushing stage and / or the first simultaneous flushing stage are the toilet cleaning stages, where the toilet generates a siphon effect to remove waste. Foam liquid can be supplied or not supplied during these two flushing stages. Controlling the foam supply device to supply foam liquid to the toilet bowl during the second brush ring flushing stage and / or the second simultaneous flushing stage can further clean the toilet bowl through foam, resulting in a better flushing effect.

[0019] 4. In the two-flush mode, the first brush ring flushing stage and / or the single flushing stage are the toilet cleaning stages, where the toilet uses a siphon effect to remove waste. During these two flushing stages, foam liquid can be supplied or not. Controlling the foam supply device to supply foam liquid to the toilet bowl during the second brush ring flushing stage and / or the single flushing stage can further clean the toilet bowl with foam, resulting in a better flushing effect. Attached Figure Description

[0020] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this invention, illustrate exemplary embodiments of the invention and are used to explain the invention, but do not constitute an undue limitation of the invention. In the drawings: Figure 1 This is a schematic diagram of an embodiment of the toilet self-cleaning system of the present invention; Figure 2 This is a schematic diagram of another embodiment of the toilet self-cleaning system of the present invention; Figure 3 This is a simplified diagram showing the supply of foam liquid to the toilet bowl in one or more of the following stages of the toilet self-cleaning system of the present invention: S11 first brush ring flushing stage, S12 single flushing stage, and S13 second brush ring flushing stage. Figure 4 This is a simplified diagram of the toilet self-cleaning system of the present invention supplying foam liquid to the toilet bowl during the S31A flushing stage; Figure 5 This is a simplified diagram showing the supply of foam liquid to the toilet bowl by the toilet self-cleaning system of the present invention during the S31B simultaneous flushing stage and / or the S32B brush ring flushing stage. Figure 6 This is a simplified diagram showing the supply of foam liquid to the toilet bowl in one or more of the following stages of the toilet self-cleaning system of the present invention: the first brush ring flushing stage (S31C), the simultaneous flushing stage (S32C), and the second brush ring flushing stage (S33C). Figure 7 This is a simplified diagram of the first scenario in which the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S21 first brush ring flushing stage, S22 first single flushing stage, S23 second brush ring flushing stage, S24 second single flushing stage, and S25 third brush ring flushing stage. Figure 8 This is a simplified diagram illustrating a second scenario where the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S21 first brush ring flushing stage, S22 first single flushing stage, S23 second brush ring flushing stage, S24 second single flushing stage, and S25 third brush ring flushing stage. Figure 9 This is a simplified diagram of a third scenario in which the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S21 first brush ring flushing stage, S22 first single flushing stage, S23 second brush ring flushing stage, S24 second single flushing stage, and S25 third brush ring flushing stage. Figure 10 This is a simplified diagram illustrating a fourth scenario in which the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S21 first brush ring flushing stage, S22 first single flushing stage, S23 second brush ring flushing stage, S24 second single flushing stage, and S25 third brush ring flushing stage. Figure 11 This is a simplified diagram of the fifth scenario in which the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S21 first brush ring flushing stage, S22 first single flushing stage, S23 second brush ring flushing stage, S24 second single flushing stage, and S25 third brush ring flushing stage. Figure 12 This is a simplified diagram of the toilet self-cleaning system of the present invention supplying foam liquid to the toilet bowl during the second brush ring flushing stage in S23; Figure 13 This is a simplified diagram of the toilet self-cleaning system of the present invention supplying foam liquid to the toilet bowl during the second single flushing stage in S24; Figure 14 This is a simplified diagram showing the supply of foam liquid to the toilet bowl by the toilet self-cleaning system of the present invention during the second brush ring flushing stage (S23) and the second single flushing stage (S24). Figure 15 This is a simplified diagram of the first scenario in which the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S31D first brush ring flushing stage, S32D first simultaneous flushing stage, S33D second brush ring flushing stage, S34D second simultaneous flushing stage, and S35D third brush ring flushing stage. Figure 16This is a simplified diagram illustrating a second scenario where the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S31D first brush ring flushing stage, S32D first simultaneous flushing stage, S33D second brush ring flushing stage, S34D second simultaneous flushing stage, and S35D third brush ring flushing stage. Figure 17 This is a simplified diagram of the third case of the toilet self-cleaning system of the present invention supplying foam liquid to the toilet bowl in one or more of the following stages: S31D first brush ring flushing stage, S32D first simultaneous flushing stage, S33D second brush ring flushing stage, S34D second simultaneous flushing stage, and S35D third brush ring flushing stage. Figure 18 This is a simplified diagram of a fourth scenario in which the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S31D first brush ring flushing stage, S32D first simultaneous flushing stage, S33D second brush ring flushing stage, S34D second simultaneous flushing stage, and S35D third brush ring flushing stage. Figure 19 This is a simplified diagram of the fifth scenario in which the toilet self-cleaning system of the present invention supplies foam liquid to the toilet bowl in one or more of the following stages: S31D first brush ring flushing stage, S32D first simultaneous flushing stage, S33D second brush ring flushing stage, S34D second simultaneous flushing stage, and S35D third brush ring flushing stage. Figure 20 This is a simplified diagram of the toilet self-cleaning system of the present invention supplying foam liquid to the toilet bowl during the second brush ring flushing stage in S33D. Figure 21 This is a simplified diagram of the toilet self-cleaning system of the present invention supplying foam liquid to the toilet bowl during the second flushing stage in S34D. Figure 22 This is a simplified diagram showing the supply of foam liquid to the toilet bowl by the toilet self-cleaning system of the present invention during the second brush ring flushing stage (S33D) and the second simultaneous flushing stage (S34D). Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] like Figure 1 As shown, a toilet self-cleaning system of the present invention includes: Flushing water path 10 is used to wash the toilet bowl; Foam supply device 20, used to supply foam liquid to toilet bowls; Control unit 30 is electrically and communicatively connected to foam supply device 10 and flushing water circuit 20 respectively; control unit 30 is configured as follows: Responding to user commands and determining the corresponding target flushing mode; According to the target flushing mode, the flushing water path 10 is controlled to flush the toilet bowl; and during the execution of the target flushing mode, the foam supply device 20 is controlled to selectively supply foam liquid to the toilet bowl.

[0023] The system described in this invention enables the selective supply of foam liquid to the toilet bowl by controlling the foam supply device during the execution of the target flushing mode. Thus, during the flushing phase, the toilet bowl can achieve lubrication, waste decomposition, odor control, and antibacterial effects through the foam, completely eliminating cleaning blind spots and significantly improving the overall hygiene level and sustained antibacterial ability of the toilet. Simultaneously, the system achieves intelligent synergy between foam and flushing water, ensuring cleaning effectiveness while also conserving resources, improving the system's flexibility and automation, and realizing intelligent process control for toilet self-cleaning.

[0024] Preferably, the flushing water path 10 includes a washing water path and a jetting water path respectively disposed on the toilet. The washing water path is used to wash the surface of the toilet bowl, and the jetting water path is used to spray the bottom of the toilet bowl. The flushing water path 10 includes a brush ring nozzle and a main flush nozzle. In other embodiments, the foam supply device 20 is used to supply foam liquid to the toilet bowl; it also includes a foam outlet water path, which can be connected to the washing water path and / or the jet water path, or it can be set independently relative to the washing water path and the jet water path to directly supply foam to the toilet bowl.

[0025] refer to Figure 2 Preferably, the system further includes: The water circuit switching valve assembly 40 is used to switch the inlet water of the washing water circuit and the spray water circuit; the inlet of the water circuit switching valve assembly 40 can be connected to the water supply source 50; the outlet of the water circuit switching valve assembly 40 is connected to the brush ring nozzle 11 and the main jet nozzle 12 respectively; the outlet of the foam supply device 20 is selectively connected to the brush ring nozzle 11 and / or the main jet nozzle 12; the control unit 30 is electrically connected to the water circuit switching valve assembly 40, and controls the water circuit switching valve assembly 40 to selectively supply foam liquid to the washing water circuit and the spray water circuit.

[0026] This invention achieves physical isolation and precise control of the foam liquid flow direction through the water circuit switching valve group 40, ensuring that the foam can be distributed to the designated nozzles as needed. The structure is simple and reliable, the switching response is rapid, and the stability and safety of the system operation are improved.

[0027] The target rinsing mode includes one or more of the following stages: single-rush rinsing stage, simultaneous-rush rinsing stage, and brush circle rinsing stage. The single-flush stage refers to the control unit only controlling the jet water path to open to spray the bottom of the toilet bowl; the simultaneous flush stage refers to the control unit controlling the washing water path and the jet water path to open simultaneously, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; the brush ring flush stage refers to the control unit controlling the washing water path to wash the toilet bowl surface. During the execution of the target flushing mode, the foam supply device is controlled to selectively supply foam liquid to the toilet bowl in one or more of the single flushing stage, the same flushing stage, and the brush ring flushing stage.

[0028] During the execution of the target rinsing mode, the foam supply device is controlled to selectively supply foam in the single-rinse rinsing stage, the simultaneous rinsing stage, and the brush ring rinsing stage. In the single-rinse rinsing stage, foam liquid is supplied through the jet water path; in the simultaneous rinsing stage, foam liquid is supplied through the washing water path and / or the jet water path; and in the brush ring rinsing stage, foam liquid is supplied through the washing water path.

[0029] Optionally, the target mode is a single-stroke mode or a two-stroke mode; The single-pass flushing mode includes at least one single-pass flushing phase or one simultaneous flushing phase. The secondary flushing mode includes at least two single flushing stages, or at least two simultaneous flushing stages, or at least one single flushing stage and one simultaneous flushing stage.

[0030] The multiple flushing modes of this invention can adapt to different levels of dirt and user needs, enriching the selection of cleaning strategies and significantly improving the applicability of the product and user experience.

[0031] Optionally, the single-pass mode further includes a brush ring rinsing stage; the brush ring rinsing stage is present before the single-pass rinsing stage or the same-pass rinsing stage, and / or the brush ring rinsing stage is present after the single-pass rinsing stage or the same-pass rinsing stage. The secondary flushing mode further includes a brush ring flushing stage, which is present before the single flushing stage or the same flushing stage, and / or, after the single flushing stage or the same flushing stage.

[0032] Optionally, when the target flushing mode is the single-flush mode (the single-flush mode includes a single flushing stage), controlling the flushing water path to wash the toilet bowl includes: S11 First flushing stage: Control the water flow to open for the first time to flush the toilet bowl surface for the first time; S12 Single flushing stage: Control the opening of the jet water path to spray water onto the bottom of the toilet bowl; S13 Second flushing stage: Control the water flow to open for the second time to flush the toilet bowl surface for the second time.

[0033] When the target flushing mode is the single-flush mode, the foam supply device is selectively controlled to supply foam liquid to the toilet bowl, specifically: The foam supply device is controlled to supply foam liquid to the toilet bowl in one or more of the following stages: S11 first flushing stage, S12 single flushing stage, and S13 second flushing stage; the specific foam liquid supply details can be found in the following reference. Figure 3 .

[0034] In the two-flush mode, the first brush ring flushing stage (S11) and the single flushing stage (S12) are the toilet cleaning stages, where the toilet uses a siphon effect to remove waste. Foam liquid can be supplied or not supplied during these two flushing stages. Controlling the foam supply device to supply foam liquid to the toilet bowl during the second brush ring flushing stage (S23) and / or the second single flushing stage (S24) can further clean the toilet bowl with foam, resulting in a better flushing effect.

[0035] Optionally, when the target flushing mode is the single-flush mode, controlling the flushing water path to wash the toilet bowl includes: S31A Simultaneous flushing stage: Control the simultaneous opening of the washing water path and the spray water path to simultaneously wash the toilet bowl surface and spray the bottom of the toilet bowl. The foam supply device is controlled to selectively supply foam liquid to the toilet bowl. Specifically, the foam supply device is controlled to supply foam liquid to the toilet bowl during the S31A flushing phase. Please refer to [reference needed]. Figure 4 .

[0036] Optionally, when the target flushing mode is the single-flush mode, controlling the flushing water path to wash the toilet bowl includes: S31B Simultaneous flushing stage: Control the simultaneous opening of the washing water path and the spray water path to simultaneously wash the toilet bowl surface and spray the bottom of the toilet bowl. S32B Brush Ring Flushing Stage: Control the opening of the washing water path to wash the toilet bowl surface; The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by supplying foam liquid to the toilet bowl during the S31B simultaneous flushing stage and / or the S32B brush ring flushing stage; the specific foam liquid supply details can be found in [reference needed]. Figure 5 .

[0037] Optionally, when the target flushing mode is the single-flush mode, controlling the flushing water path to wash the toilet bowl includes: S31C First flushing stage: Control the opening of the washing water path for the first time to perform the first flushing of the toilet bowl surface; S32C Simultaneous Flushing Stage: Control the simultaneous opening of the washing water path and the spray water path to simultaneously wash the toilet bowl surface and spray the bottom of the toilet bowl. S33C Second Brush Ring Flushing Stage: Control the washing water circuit to open for the second time to wash the toilet bowl surface for the second time; The foam supply device is controlled to selectively supply foam liquid to the toilet bowl. Specifically, the foam supply device is controlled to supply foam liquid to the toilet bowl during one or more of the following stages: S31C first flush stage, S32C simultaneous flush stage, and S33C second flush stage. For specific foam liquid supply details, please refer to [reference needed]. Figure 6 .

[0038] Optionally, when the target flushing mode is the secondary flushing mode, controlling the flushing water path to wash the toilet bowl includes: S21 First flushing stage: Control the water flow to open for the first time to flush the toilet bowl surface for the first time; S22 First single flush stage: Control the spray water path to open for the first time to spray the bottom of the toilet bowl for the first time; S23 Second flushing stage: Control the water flow to open for the second time to flush the toilet bowl surface for the second time; S24 Second single flushing stage: Control the spray water path to open for the second time to spray the bottom of the toilet bowl for the second time; S25 Third flushing stage: Control the washing water path to open for the third time to wash the toilet bowl surface for the third time; The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by controlling the foam supply device to supply foam liquid to the toilet bowl at least in one or more of the following stages: S21 first flush stage, S22 first single flush stage, S23 second flush stage, S24 second single flush stage, and S25 third flush stage. For specific foam liquid supply details, please refer to [reference needed]. Figures 7 to 11 , Figure 7 This corresponds to the situation where foam liquid is supplied to the toilet bowl only in one of the stages. Figure 8 This corresponds to the situation where foam liquid is supplied to the toilet bowl in two of the stages. Figure 9 This corresponds to the situation where foam liquid is supplied to the toilet bowl in three of the stages. Figure 10 This corresponds to the supply of foaming liquid to the toilet bowl in four of the stages. Figure 11 This corresponds to the situation where foam liquid is supplied in all five stages.

[0039] Furthermore, when the target flushing mode is the secondary flushing mode, controlling the foam supply device to selectively supply foam liquid to the toilet bowl includes: The foam supply device is controlled to supply foam liquid to the toilet bowl at least during one of the following stages: S23, the second brush ring flushing stage, and S24, the second single flushing stage; specific foam liquid supply details can be found in the following reference. Figures 12 to 14 The examples demonstrate the supply of foam liquid during the second brush ring rinsing stage (S23), the second single-rinse rinsing stage (S24), and both the second brush ring rinsing stage (S23) and the second single-rinse rinsing stage (S24) in which foam liquid is supplied.

[0040] Of course, furthermore, when the target flushing mode is the secondary flushing mode, controlling the foam supply device to selectively supply foam liquid to the toilet bowl also includes: The foam supply device is controlled to supply foam liquid to the toilet bowl in one or more of the following stages: S21 first brush ring flushing stage, S22 first single flushing stage, and S25 third brush ring flushing stage.

[0041] Optionally, when the target flushing mode is the secondary flushing mode, controlling the flushing water path to wash the toilet bowl includes: S31D First Washing Stage: Control the opening of the washing water path for the first time to wash the toilet bowl surface for the first time; S32D First Simultaneous Flushing Stage: Control the washing water path and the spray water path to open simultaneously for the first time, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl. S33D Second Brush Ring Flushing Stage: Control the washing water path to open for the second time to wash the toilet bowl surface for the second time; S34D Second Simultaneous Flushing Stage: Control the washing water path and the spray water path to open simultaneously for the second time, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; S35D Third Brush Ring Flushing Stage: Control the washing water path to open for the third time, to wash the toilet bowl surface for the third time. When the target flushing mode is the two-flush mode, the foam supply device is selectively controlled to supply foam liquid to the toilet bowl. Specifically, the foam supply device is controlled to supply foam liquid to the toilet bowl in one or more of the following stages: S31D first brush flushing stage, S32D first simultaneous flushing stage, S33D second brush flushing stage, S34D second simultaneous flushing stage, and S35D third brush flushing stage. For specific foam liquid supply details, please refer to [reference needed]. Figures 15 to 19 .

[0042] Furthermore, when the target flushing mode is the secondary flushing mode, controlling the foam supply device to selectively supply foam liquid to the toilet bowl includes: The foam supply device is controlled to supply foam liquid to the toilet bowl during the second brush flushing stage (S33D) and / or the second simultaneous flushing stage (S34D); specific foam liquid supply details can be found in the following references. Figures 20 to 22 .

[0043] In the two-flush mode, the first brush ring flushing stage (S31D) and / or the first simultaneous flushing stage (S32D) are the toilet cleaning stages, where the toilet uses a siphon effect to remove waste. Foam liquid can be supplied or not supplied during these two flushing stages. Controlling the foam supply device to supply foam liquid to the toilet bowl during the second brush ring flushing stage (S33D) and / or the second simultaneous flushing stage (S34D) can further clean the toilet bowl with foam, resulting in a better flushing effect.

[0044] Optionally, when the target flushing mode is the secondary flushing mode, controlling the flushing water path to wash the toilet bowl includes: S31E First Washing Stage: Control the opening of the washing water path for the first time to wash the toilet bowl surface for the first time. S32E Single Flushing Stage: Control the opening of the jet water path to perform the first jet on the bottom of the toilet bowl; S33E Second Brush Ring Flushing Stage: Control the washing water path to open for the second time to wash the toilet bowl surface for the second time; S34E Simultaneous flushing stage: Control the simultaneous opening of the washing water path and the spray water path to simultaneously wash the toilet bowl surface and spray the bottom of the toilet bowl. S35E Third Brush Ring Flushing Stage: Control the washing water circuit to open for the third time to wash the toilet bowl surface for the third time. When the target flushing mode is the two-flush mode, the foam selective supply device is controlled to supply foam liquid to the toilet bowl. Specifically, the foam supply device is controlled to supply foam liquid to the toilet bowl in one or more of the following stages: S31E first brush ring flushing stage, S32E single flushing stage, S33E second brush ring flushing stage, S34E simultaneous flushing stage, and S35E third brush ring flushing stage. The specific foam liquid supply situation can be referred to the above embodiment, and will not be repeated here.

[0045] Furthermore, when the target flushing mode is the secondary flushing mode, controlling the foam selective supply device to supply foam liquid to the toilet bowl includes: The foam supply device is controlled to supply foam liquid to the toilet bowl during the second brush ring flushing stage (S33E) and / or the simultaneous flushing stage (S34E). The specific foam liquid supply situation can be referred to the above embodiment, and will not be repeated here.

[0046] In the two-flush mode, the first brush ring flushing stage (S31E) and / or the single flushing stage (S32E) are the toilet cleaning stages, where the toilet uses a siphon effect to remove waste. During these two flushing stages, foam liquid can be supplied or not. Furthermore, controlling the foam supply device to supply foam liquid to the toilet bowl during the second brush ring flushing stage (S33E) and / or the simultaneous flushing stage (S34E) can further clean the toilet bowl through foam, resulting in a better flushing effect.

[0047] Corresponding to the toilet self-cleaning control system, the present invention also provides a toilet self-cleaning control method, which is applied to a toilet self-cleaning system as described above, characterized by comprising the following steps: Responding to user commands and determining the corresponding target flushing mode; According to the target flushing mode, the flushing water path is controlled to wash the toilet bowl; and during the execution of the target flushing mode, the foam supply device is selectively controlled to supply foam liquid to the toilet bowl.

[0048] This invention, through the aforementioned method, responds to the target flushing mode selected by the user's command and executes the corresponding foam application strategy, realizing intelligent process control of toilet self-cleaning. This enables foam-mixed water to accurately coordinate with or replace non-foam flushing water, improving the automation level of the cleaning process and the controllability of the cleaning effect.

[0049] It should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0050] Furthermore, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0051] The foregoing description illustrates and describes preferred embodiments of the present invention. It should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept by means of the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A toilet self-cleaning system, characterized in that, include: Flushing water system, used to clean toilet bowls; A foam supply device for supplying foam liquid to the toilet bowl; The control unit is electrically and communicatively connected to the foam supply device and the flushing water circuit, respectively; the control unit is configured as follows: Responding to user commands and determining the corresponding target flushing mode; According to the target flushing mode, the flushing water path is controlled to wash the toilet bowl; and during the execution of the target flushing mode, the foam supply device is controlled to selectively supply foam liquid to the toilet bowl.

2. The toilet self-cleaning system according to claim 1, characterized in that, The flushing water path includes a washing water path and a spray water path respectively installed on the toilet. The washing water path is used to wash the surface of the toilet bowl, and the spray water path is used to spray the bottom of the toilet bowl. The target rinsing mode includes one or more of the following stages: single-rush rinsing stage, simultaneous-rush rinsing stage, and brush circle rinsing stage. The single-flush stage refers to the control unit only controlling the jet water path to open to spray the bottom of the toilet bowl; the simultaneous flush stage refers to the control unit controlling the washing water path and the jet water path to open simultaneously, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; the brush ring flush stage refers to the control unit controlling the washing water path to wash the toilet bowl surface. During the execution of the target flushing mode, the foam supply device is controlled to selectively supply foam liquid to the toilet bowl in one or more of the single flushing stage, the same flushing stage, and the brush ring flushing stage.

3. The toilet self-cleaning system according to claim 2, characterized in that, The target mode is either a single-stroke mode or a two-stroke mode; The single-pass flushing mode includes at least one single-pass flushing phase or one simultaneous flushing phase. The secondary flushing mode includes at least two single flushing stages, or at least two simultaneous flushing stages, or at least one single flushing stage and one simultaneous flushing stage.

4. The toilet self-cleaning system according to claim 3, characterized in that, The single-pass mode further includes a brush ring rinsing phase; the brush ring rinsing phase is performed before the single-pass rinsing phase or the same-pass rinsing phase, and / or the brush ring rinsing phase is performed after the single-pass rinsing phase or the same-pass rinsing phase. The secondary flushing mode further includes a brush ring flushing stage, which is present before the single flushing stage or the same flushing stage, and / or, after the single flushing stage or the same flushing stage.

5. The toilet self-cleaning system according to claim 4, characterized in that, When the target flushing mode is the single-flush mode, the flushing water path is controlled to perform the following flushing stages on the toilet bowl: First flushing stage: The flushing water path is opened for the first time to flush the toilet bowl surface. Single flushing stage: control the opening of the jet water path to spray the bottom of the toilet bowl; or simultaneous flushing stage: control the opening of the washing water path and the jet water path simultaneously to wash the toilet bowl surface and spray the bottom of the toilet bowl. Second flushing stage: The flushing water path is opened for the second time to flush the toilet bowl surface a second time; When the target flushing mode is the single-flush mode, the foam supply device is selectively controlled to supply foam liquid to the toilet bowl, specifically: The foam supply device is controlled to supply foam liquid to the toilet bowl during one or more of the above-mentioned flushing stages.

6. The toilet self-cleaning system according to claim 3, characterized in that, When the target flushing mode is the single flushing mode, the flushing water path is controlled to perform the following flushing stages: Simultaneous flushing stage: Control the washing water path and the spray water path to open simultaneously, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by controlling the foam supply device to supply foam liquid to the toilet bowl during the flushing phase.

7. The toilet self-cleaning system according to claim 4, characterized in that, When the target flushing mode is the single flushing mode, the flushing water path is controlled to perform the following flushing stages: Simultaneous flushing stage: Control the washing water path and the spray water path to open simultaneously, simultaneously washing the toilet bowl surface and spraying the bottom of the toilet bowl; The flushing stage involves controlling the opening of the flushing water path to flush the toilet bowl surface. The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by controlling the foam supply device to supply foam liquid to the toilet bowl during the flushing phase and / or the brush ring flushing phase.

8. The toilet self-cleaning system according to claim 4, characterized in that, When the target flushing mode is the secondary flushing mode, the flushing water path is controlled to perform the following flushing stages on the toilet bowl: First flushing stage: The flushing water path is opened for the first time to flush the toilet bowl surface. First single flush stage: Control the spray water path to open for the first time to spray the bottom of the toilet bowl for the first time; or first simultaneous flush stage: Control the washing water path and the spray water path to open simultaneously for the first time to wash the toilet bowl surface and spray the bottom of the toilet bowl simultaneously. Second flushing stage: The flushing water path is opened for the second time to flush the toilet bowl surface a second time; Second single flush stage: Control the spray water path to open for the second time to spray the bottom of the toilet bowl for the second time; or second simultaneous flush stage: Control the washing water path and the spray water path to open simultaneously for the second time to wash the toilet bowl surface and spray the bottom of the toilet bowl for the second time. The third flushing stage: the flushing water circuit is opened for the third time to flush the toilet bowl surface for the third time. The foam supply device is controlled to selectively supply foam liquid to the toilet bowl, specifically by controlling the foam supply device to supply foam liquid to the toilet bowl in one or more of the above-mentioned flushing stages.

9. The toilet self-cleaning system according to claim 8, characterized in that, When the target flushing mode is the secondary flushing mode, controlling the foam supply device to selectively supply foam liquid to the toilet bowl includes: The foam supply device is controlled to supply foam liquid to the toilet bowl at least during one of the following stages: the second flushing stage, the second single flushing stage, or the second simultaneous flushing stage.

10. The toilet self-cleaning system according to claim 9, characterized in that, When the target flushing mode is the secondary flushing mode, controlling the foam supply device to selectively supply foam liquid to the toilet bowl further includes: The foam supply device is controlled to supply foam liquid to the toilet bowl during one or more of the following stages: the first brush ring flushing stage, the first single flushing stage or the first simultaneous flushing stage, and the third brush ring flushing stage.

11. The toilet self-cleaning system according to claim 2, characterized in that, During the execution of the target rinsing mode, the foam supply device is controlled to selectively supply foam in the single-rinse rinsing stage, the simultaneous rinsing stage, and the brush ring rinsing stage. In the single-rinse rinsing stage, foam liquid is supplied through the jet water path; in the simultaneous rinsing stage, foam liquid is supplied through the washing water path and / or the jet water path; and in the brush ring rinsing stage, foam liquid is supplied through the washing water path.

12. A toilet self-cleaning control method, applied to a toilet self-cleaning system as described in any one of claims 1-11, characterized in that, Includes the following steps: Responding to user commands and determining the corresponding target flushing mode; According to the target flushing mode, the flushing water path is controlled to wash the toilet bowl; and during the execution of the target flushing mode, the foam supply device is selectively controlled to supply foam liquid to the toilet bowl.

Images