CN114794949A - Seat ring heating control system and control method of intelligent toilet with detachable seat ring - Google Patents
Seat ring heating control system and control method of intelligent toilet with detachable seat ring Download PDFInfo
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- CN114794949A CN114794949A CN202210362706.7A CN202210362706A CN114794949A CN 114794949 A CN114794949 A CN 114794949A CN 202210362706 A CN202210362706 A CN 202210362706A CN 114794949 A CN114794949 A CN 114794949A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000006698 induction Effects 0.000 claims description 15
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
- A47K13/30—Seats having provisions for heating, deodorising or the like, e.g. ventilating, noise-damping or cleaning devices
- A47K13/305—Seats with heating devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/029—Heaters specially adapted for seat warmers
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- Public Health (AREA)
- Toilet Supplies (AREA)
Abstract
The invention discloses a seat ring heating control system and a control method of an intelligent toilet with a detachable seat ring. The invention realizes the communication between the main control board and the heating control board through two wires, thereby realizing the real-time heating control of the seat ring, and having low design and manufacturing cost and high communication reliability.
Description
Technical Field
The invention relates to the technical field of intelligent bathrooms, in particular to a seat ring heating control system and a seat ring heating control method of an intelligent closestool with a detachable seat ring.
Background
European-standard intelligent closestool requires to dismantle between toilet seat and the closestool main part, therefore, generally adopt to insert soon between toilet seat and the closestool main part and be connected, be equipped with the main control board in the closestool main part, be equipped with heating control panel on the toilet seat, and the toilet seat inserts soon with the closestool main part and is connected the effect that the main control board can only realize supplying power for heating control panel, and can't carry out real-time communication, if will realize the communication between main control board and the heating control panel then need install other module additional, realize like wireless communication module, the installing has increased intelligent closestool's manufacturing cost to a certain extent additional of module, wireless communication's reliable degree is not like wired communication simultaneously, the fault rate can be higher relatively, maintenance degree of difficulty and cost of maintenance after the trouble are all higher. Therefore, there is a need to develop a new intelligent toilet heating control system capable of implementing wired communication between the main control board and the heating control board to reduce the manufacturing cost of the intelligent toilet and improve the communication reliability.
Disclosure of Invention
The invention aims to provide a seat heating control system and a seat heating control method of an intelligent closestool with a detachable seat. The invention realizes the communication between the main control board and the heating control board through two wires, thereby realizing the real-time heating control of the seat ring, and having low design and manufacturing cost and high communication reliability.
The invention provides a seat ring heating control system of an intelligent toilet with a detachable seat ring, which comprises a toilet main body, wherein the toilet main body is connected with the detachable toilet seat ring, the toilet main body is provided with a main control board, the main control board is connected with a power supply, the toilet seat ring is provided with a heating control board, the heating control board is connected with a heating wire, the main control board and the heating control board are connected into a loop through a first wire and a second wire, the first wire is connected with a switch control device, the main control board sends heating information, the heating information is converted into a high-frequency switch signal through the switch control device and sent to the heating control board, and the heating control board measures the high-frequency switch signal, analyzes the information sent by the main control board and controls the heating of the heating wire.
Compared with the prior art, the control system has the beneficial effects that: the main control board and the heating control board are connected into a loop through a first lead and a second lead, the loop belongs to wired connection, wherein the first lead is provided with a switch control type device, the main control board can convert heating information into a high-frequency switch signal through the switch control type device and then send the high-frequency switch signal to the heating control board, the heating control board measures the high-frequency switch signal so as to analyze data sent by the main control board and control the heating of a heating wire, the heating information cannot be transmitted by the high-frequency switch signal, but the heating information is converted through the switch control type device and is transmitted in the high-frequency switch signal until the heating control board is collected and analyzed, therefore, the invention can realize real-time heating control on a seat ring without other communication modules, reduces the manufacturing cost of the intelligent closestool with the detachable seat ring, and simultaneously, the wired communication also ensures high communication firmness between the main control board and the heating control board, the failure is not easy to occur.
In the seat heating control system of the intelligent toilet with the detachable seat, the switch control device is a first MOS transistor.
Among the aforesaid intelligent closestool's seat circle heating control system can be dismantled to seat circle, the main control board sends heating information to the heating control board with high frequency switch signal's form through first MOS pipe, the heating control board is measured high frequency switch signal, analyzes out the information that the main control board sent, controls the opening or closing of heater strip, control heating temperature just also through the length of heating, compares in changing heating power, and the controllability is better, and components and parts in the system need not to bear the electric current or the voltage of sudden change, and entire system's stability and security are all better.
In the seat heating control system of the intelligent toilet seat with the detachable seat, the heating information sent by the main control board is the set temperature information of the seat.
In the seat heating control system of the intelligent toilet seat with the detachable seat ring, after the heating control board collects the seat ring set temperature information sent by the main control board, the heating wire is powered on/off, and the real-time temperature of the toilet seat ring is collected, so that the heating wire reaches the set heating temperature.
In the aforesaid intelligent closestool's seat circle heating control system can be dismantled to seat circle, the inside temperature sensor that is equipped with of toilet seat circle, temperature sensor is connected with the heating control board, be connected with the second MOS pipe on the second wire, temperature sensor sends the heating control board to the temperature of heater strip department in real time, the heating control board sends the real-time temperature of heater strip department and human induction signal to the main control board with the form of high frequency switch signal through the second MOS pipe, realize the both-way communication between main control board and the heating control board, the main control board can carry out the adjustment of heater strip power supply on/off according to the real-time heating temperature of heating control board feedback, thereby make the seat circle heating more intelligent, humanized, energy-conservation.
Among the aforesaid intelligent closestool's seat circle heating control system can be dismantled to seat circle, still be connected with current sensor on the second wire, current sensor is located between main control board and the second MOS pipe, and the main control board passes through the current information that current sensor real-time detection heating control panel sent, and the data of heating control panel are analyzed out through the current waveform of different duty cycles, and the feedback is timely, and stability is high.
Among the aforesaid seat circle heating control system that intelligent closestool can be dismantled to seat circle, be equipped with a pair of engaging lug on the toilet seat circle, the one end of first wire and second wire is all connected on the heating control board, and the other end of first wire and second wire extends to respectively in a pair of engaging lug, forms electric connection portion, electric connection portion is cylinder spiral line shape.
In another aspect of the invention, a seat heating control method for an intelligent toilet with a detachable seat comprises the following control steps:
firstly, a main control board on a closestool main body converts heating information with set temperature into a high-frequency switching signal through a first MOS (metal oxide semiconductor) tube;
secondly, the heating control board measures the high-frequency switch signal and analyzes the set temperature heating information sent by the main control board;
thirdly, the heating control panel switches on/off the power supply of the heating wire and collects the real-time temperature of the toilet seat to enable the heating wire to reach the set heating temperature;
detecting the real-time temperature at the heating wire by using a temperature sensor and transmitting the real-time temperature information to a heating control board, detecting human body induction by using a capacitance sensor and a pressure sensor and sensing the real-time human body induction information to the heating control board;
converting the real-time temperature and the human body induction information at the heating wire into high-low level current information through a second MOS tube by the heating control panel;
step six, detecting the current information converted in the step five in real time by a current sensor and transmitting the current information to a main control board;
and seventhly, analyzing the data of the heating control board by the main control board through current waveforms with different duty ratios, and then adjusting the heating information with the set temperature.
In the seat heating control method of the intelligent toilet with the detachable seat, the first step to the seventh step form a closed cycle, the heating control board obtains a new heating information instruction after the seventh step is finished in the cycle, and the main control board obtains the temperature of the toilet seat and human body induction information.
Compared with the prior art, the control method has the beneficial effects that: according to the invention, the two-way communication between the main control board and the heating control board is realized through the two wires and the MOS tubes arranged on the two wires, and the main control board can adjust the power supply on/off of the heating wires according to the real-time heating temperature fed back by the heating control board, so that the toilet seat is heated more intelligently, humanized and energy-saving.
Drawings
FIG. 1 is a schematic electrical schematic of the seat ring heating control system of the present invention;
FIG. 2 is a schematic diagram of the circuit connections on the main control board;
FIG. 3 is a schematic diagram of the electrical connections on the heating control board;
FIG. 4 is a flow chart of a control method of the present invention;
FIG. 5 is a schematic view of the structure of a toilet seat;
FIG. 6 is a schematic view of the interior of the engaging lug;
fig. 7 is a schematic view of the structure of the electrical connection portion.
Reference numerals: the toilet seat comprises a toilet seat 1, a main control board 2, a heating control board 3, a heating wire 4, a first wire 5, a second wire 6, a first MOS tube 7, a second MOS tube 8, a connecting lug 9, an electric connecting part 10, a mounting groove 11, a limiting bump 12 and a key groove 13.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): a seat heating control system of an intelligent toilet with a detachable seat ring can refer to figures 1 to 3 in circuit principle, and comprises a toilet main body, wherein the toilet main body is connected with a detachable toilet seat ring 1, a main control board 2 is arranged on the toilet main body, the main control board 2 is connected with a power supply, the toilet seat ring 1 is shown in figures 5 to 7, a heating control board 3 is arranged in the toilet seat ring 1, the heating control board 3 is connected with a heating wire 4, the main control board 2 and the heating control board 3 are connected into a loop through a first lead 5 and a second lead 6, the first lead 5 is connected with a switch control device, the main control panel 2 sends heating information, the heating information is converted into a high-frequency switch signal by the switch control device and sent to the heating control panel 3, the heating control panel 3 measures the high-frequency switch signal, analyzes the information sent by the main control panel 2, and controls the heating of the heating wire 4.
Preferably, the switching control device is the first MOS transistor 7.
Preferably, the main control board 2 sends the heating information to the heating control board 3 in the form of a high-frequency switching signal through the first MOS tube 7, and the heating control board 3 measures the high-frequency switching signal, analyzes the information sent by the main control board 2, and controls the on/off of the heating wire 4.
Preferably, the heating information transmitted from the main control board 2 is seat set temperature information.
Preferably, the heating control board 3 supplies power to the heating wire 4 to turn on/off after acquiring the set temperature information of the toilet seat transmitted by the main control board 2, and acquires the real-time temperature of the toilet seat 1 to make the heating wire 4 reach the set heating temperature.
Preferably, a temperature sensor is arranged inside the toilet seat 1 and connected with the heating control board 3, a second MOS (metal oxide semiconductor) tube 8 is connected to the second lead 6, the temperature sensor transmits the temperature of the heating wire 4 to the heating control board 3 in real time, and the heating control board 3 transmits the real-time temperature of the heating wire 4 and the human body induction signal to the main control board 2 in the form of a high-frequency switching signal through the second MOS tube 8.
Preferably, the second wire 6 is connected with a current sensor, the current sensor is located between the main control board 2 and the second MOS transistor 8, the main control board 2 detects current information sent by the heating control board 3 in real time through the current sensor, and data of the heating control board 3 are analyzed through current waveforms with different duty ratios.
Preferably, the first wire 5 is connected with a current sensor, the current sensor is located between the heating control board 3 and the first MOS transistor 7, the heating control board 3 detects current information sent by the main control board 2 in real time through the current sensor, and data of the main control board 2 are analyzed through current waveforms with different duty ratios.
Preferably, the toilet seat 1 is provided with a pair of engaging lugs 9 for quick insertion connection with the toilet main body, one ends of the first wire 5 and the second wire 6 are both connected to the heating control board 3, and the other ends of the first wire 5 and the second wire 6 extend into the pair of engaging lugs 9 respectively to form an electrical connection portion 10, wherein the electrical connection portion 10 is in a cylindrical spiral shape.
After toilet seat 1 and closestool main part carry out the quick-plug connection, the metal bolt of closestool main part can insert in the electric connection portion 10 of toilet seat 1, realizes the electric connection structure of multiple spot connection, and power supply stability is high, and especially when toilet seat 1 rotated, the structure of electric connection portion 10 had guaranteed between toilet seat 1 and the closestool main part difficult outage.
Preferably, the inside of the engaging lug 9 is provided with an installation groove 11 with one end opened outwards, so as to facilitate quick insertion connection, and the electric connecting part 10 is arranged at the installation groove 11.
Preferably, the mounting groove 11 is cylindrical, and the mounting groove 11 and the electrical connection portion 10 are coaxially arranged, and since the metal plug pin on the toilet main body is coaxially connected with the mounting groove 11, the coaxial arrangement of the mounting groove 11 and the electrical connection portion 10 ensures that the electrical connection portion 10 and the metal plug pin can always maintain stable electrical connection when the toilet seat 1 rotates.
Preferably, the central axis direction of the mounting groove 11 is perpendicular to the length direction of the toilet seat 1, that is, the central axis direction of the mounting groove 11 is parallel to the width direction of the toilet seat 1, so that the toilet seat 1 and the toilet main body can be conveniently connected by quick insertion.
Preferably, the notch orientation of two mounting grooves 11 is opposite, and the distance between two mounting grooves 11 notches is greater than the distance between the tank bottoms, and the mounting grooves 11 notches of two engaging lugs 9 set up in opposite directions, and deviate from each other outwards, make things convenient for the dismouting.
Preferably, the groove bottom of the mounting groove 11 is circumferentially distributed with limiting bumps 12, and the limiting bumps 12 can limit the electrical connection portion 10, so that the electrical connection portion 10 can be effectively prevented from deforming or shifting.
Preferably, the groove wall of the mounting groove 11 is provided with a key groove 13 to facilitate the quick insertion connection between the toilet seat 1 and the toilet main body.
A seat heating control method of a seat detachable intelligent closestool can refer to fig. 4, and comprises the following control steps:
firstly, a main control board 2 on a closestool main body converts heating information with set temperature into a high-frequency switching signal through a first MOS (metal oxide semiconductor) tube 7;
secondly, detecting the signal converted in the first step in real time by a current sensor between the heating control panel 3 and the first MOS tube 7, and transmitting the signal to the heating control panel 3, so that the heating control panel 3 analyzes the set temperature heating information sent by the main control panel 2;
thirdly, the heating control panel 3 switches on/off the power supply of the heating wire 4 and collects the real-time temperature of the toilet seat 1 to enable the heating wire 4 to reach the set heating temperature;
step four, detecting the real-time temperature at the heating wire 4 by a temperature sensor and transmitting the real-time temperature information to the heating control board 3, detecting the human body induction by a capacitance sensor and a pressure sensor and sensing the real-time human body induction information to the heating control board 3;
step five, the heating control panel 3 converts the real-time temperature and the human body induction information of the heating wire 4 into high and low level current information through the second MOS tube 8;
step six, detecting the current information converted in the step five in real time by a current sensor between the main control board 2 and the second MOS tube 8 and transmitting the current information to the main control board 2;
and seventhly, analyzing the data of the heating control board by the main control board 2 through the current waveforms with different duty ratios, and then adjusting the set temperature heating information.
Wherein, the first step to the seventh step form a closed cycle, the heating control board 3 obtains a new heating information instruction after the seventh step is finished in the cycle, and the main control board 2 obtains the temperature of the toilet seat 1 and the human body induction information.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned examples, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a seat circle heating control system of intelligent closestool can be dismantled to seat circle, includes the closestool main part, is connected with detachable toilet seat circle in the closestool main part, is equipped with the main control board in the closestool main part, and the main control board is connected with the power, is equipped with the heating control board on the closestool seat circle, and the heating control board is connected with heater strip, its characterized in that: the heating device comprises a main control board, a heating control board and a heating control board, wherein the main control board and the heating control board are connected into a loop through a first wire and a second wire, a switch control type device is connected onto the first wire, the main control board sends heating information, the heating information is converted into a high-frequency switch signal through the switch control type device and sent to the heating control board, the heating control board measures the high-frequency switch signal, and the information sent by the main control board is analyzed and controlled.
2. A seat heating control system for a seat detachable intelligent toilet according to claim 1, characterized in that: the switch control device is a first MOS tube.
3. The seat heating control system of the intelligent toilet with the detachable seat as claimed in claim 2, wherein: the main control board sends heating information to the heating control board in the form of high-frequency switching signals through the first MOS tube, the heating control board measures the high-frequency switching signals, analyzes the information sent by the main control board, and controls the on or off of the heating wires.
4. A seat heating control system for a seat detachable intelligent toilet according to claim 3, characterized in that: the heating information sent by the main control board is the temperature setting information of the seat ring.
5. The seat heating control system of the intelligent toilet with the detachable seat as claimed in claim 4, wherein: and after the heating control board collects the set temperature information of the toilet seat sent by the main control board, the heating wire is powered on/off, and the real-time temperature of the toilet seat is collected, so that the heating wire reaches the set heating temperature.
6. A seat heating control system of a seat detachable intelligent closestool according to any one of claims 2-5, characterized in that: the toilet seat is internally provided with a temperature sensor, the temperature sensor is connected with a heating control panel, a second MOS pipe is connected onto a second wire, the temperature sensor transmits the temperature of the heating wire to the heating control panel in real time, and the heating control panel transmits the real-time temperature of the heating wire and the human body induction signal to the main control panel in the form of a high-frequency switch signal through the second MOS pipe.
7. A seat heating control system of a detachable intelligent toilet seat according to claim 6, characterized in that: the second wire is also connected with a current sensor, the current sensor is positioned between the main control board and the second MOS tube, the main control board detects current information sent by the heating control board in real time through the current sensor, and the data of the heating control board are analyzed through current waveforms with different duty ratios.
8. The seat heating control system of the intelligent toilet with the detachable seat as claimed in claim 6, wherein: the closestool seat ring is provided with a pair of connecting lugs, one ends of the first lead and the second lead are connected to the heating control panel, the other ends of the first lead and the second lead extend into the pair of connecting lugs respectively to form an electric connection part, and the electric connection part is in a cylindrical spiral shape.
9. A seat ring heating control method of an intelligent toilet seat with a detachable seat ring is characterized by comprising the following steps: the method comprises the following control steps:
firstly, a main control board on a closestool main body converts heating information with set temperature into a high-frequency switching signal through a first MOS (metal oxide semiconductor) tube;
secondly, the heating control board measures the high-frequency switch signal and analyzes the set temperature heating information sent by the main control board;
thirdly, the heating control panel switches on/off the power supply of the heating wire and collects the real-time temperature of the toilet seat to enable the heating wire to reach the set heating temperature;
step four, detecting the real-time temperature at the heating wire by a temperature sensor and transmitting the real-time temperature information to a heating control board, detecting human body induction by a capacitance sensor and a pressure sensor and sensing the real-time human body induction information to the heating control board;
converting the real-time temperature and the human body induction information at the heating wire into high-low level current information through a second MOS tube by the heating control panel;
step six, detecting the current information converted in the step five in real time by a current sensor and transmitting the current information to a main control board;
and seventhly, analyzing the data of the heating control board by the main control board through current waveforms with different duty ratios, and then adjusting the heating information with the set temperature.
10. The seat heating control method of the intelligent toilet with the detachable seat as claimed in claim 9, wherein: and the first step to the seventh step form a closed cycle, the heating control board obtains a new heating information instruction after the seventh step is finished in the cycle, and the main control board obtains the temperature of the toilet seat and human body induction information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362706.7A CN114794949B (en) | 2022-04-07 | 2022-04-07 | Seat ring heating control system and control method of intelligent toilet with detachable seat ring |
| EP23166886.4A EP4257021A1 (en) | 2022-04-07 | 2023-04-05 | Seat heating control system and control method for smart toilet with detachable toilet seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362706.7A CN114794949B (en) | 2022-04-07 | 2022-04-07 | Seat ring heating control system and control method of intelligent toilet with detachable seat ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114794949A true CN114794949A (en) | 2022-07-29 |
| CN114794949B CN114794949B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210362706.7A Active CN114794949B (en) | 2022-04-07 | 2022-04-07 | Seat ring heating control system and control method of intelligent toilet with detachable seat ring |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4257021A1 (en) |
| CN (1) | CN114794949B (en) |
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- 2022-04-07 CN CN202210362706.7A patent/CN114794949B/en active Active
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2023
- 2023-04-05 EP EP23166886.4A patent/EP4257021A1/en active Pending
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| CN207623728U (en) * | 2017-12-04 | 2018-07-17 | 湖南中谷科技股份有限公司 | A kind of automatic vending machine direction Control System |
| US20200161104A1 (en) * | 2018-11-21 | 2020-05-21 | Advanced Micro-Fabrication Equipment Inc. China | Multi-zone temperature control plasma reactor |
| CN110338695A (en) * | 2019-06-28 | 2019-10-18 | 乳源南岭智能家用机械有限公司 | A kind of control system of intelligent closestool toilet cover |
| CN212326274U (en) * | 2020-01-15 | 2021-01-12 | 中山市美图塑料工业有限公司 | Low-pressure seat ring heating intelligent closestool with hardware overtemperature protection function |
| CN212627122U (en) * | 2020-06-18 | 2021-02-26 | 深圳拓邦股份有限公司 | Intelligent closestool forceful electric power load protection device and intelligent closestool |
| CN111839320A (en) * | 2020-07-22 | 2020-10-30 | 北京市达能仁投资有限公司 | Ecological intelligent toilet and control system thereof |
| CN214631917U (en) * | 2020-12-28 | 2021-11-09 | 李莹莹 | Multifunctional gasket structure for mobile toilet |
| CN113189895A (en) * | 2021-03-15 | 2021-07-30 | 三门康创电子科技有限公司 | Control circuit of intelligent closestool, intelligent closestool and control method of intelligent closestool |
| CN216124345U (en) * | 2021-05-13 | 2022-03-25 | 箭牌家居集团股份有限公司 | Intelligent closestool with microwave induction function |
| CN113951752A (en) * | 2021-10-26 | 2022-01-21 | 浙江怡和卫浴有限公司 | Induction circuit, toilet seat ring and intelligent toilet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114794949B (en) | 2024-03-22 |
| EP4257021A1 (en) | 2023-10-11 |
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