CN112323937A - Double-flushing control system and method for intelligent closestool - Google Patents
Double-flushing control system and method for intelligent closestool Download PDFInfo
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- CN112323937A CN112323937A CN202011096369.9A CN202011096369A CN112323937A CN 112323937 A CN112323937 A CN 112323937A CN 202011096369 A CN202011096369 A CN 202011096369A CN 112323937 A CN112323937 A CN 112323937A
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- flushing
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- closestool
- water spray
- flush
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
Abstract
The invention discloses a double-flushing control system and a double-flushing control method for an intelligent closestool, wherein the system comprises the following components: the flushing request instruction receiving module is used for receiving a flushing request instruction; the flushing instruction generating module generates a flushing instruction and brings tap water into the flushing valve through the water inlet pipe when receiving the flushing request instruction; the upper water spray nozzle flushing control module controls the flushing valve to discharge water through the upper water spray pipe, and the upper water spray nozzle sprays water to flush the surface of the closestool so as to flush dirt on the surface of the ceramic to the bottom of the closestool; the first-time washing control module of the bottom water spray opening controls the flushing valve to discharge water through the bottom water spray pipe, and the water column is sprayed by the bottom water spray opening to push dirt at the bottom into an S-shaped bend of the closestool; and the bottom water spray nozzle secondary flushing control module controls the first flushing to pause for a plurality of times, and then controls the flushing valve to discharge water through the bottom water spray pipe, and the bottom water spray nozzle sprays a water column to push residual dirt at the bottom to the S-shaped bend of the closestool.
Description
Technical Field
The invention relates to the technical field of bathroom control, in particular to a double-flushing control system and method of an intelligent closestool.
Background
The flushing mode that common intelligent toilet bowl, intelligent apron, intelligent closestool were used commonly in the existing market is the direct-flushing formula water flushing system of spraying, promptly, the last water function at closestool top is opened to the inside flashing valve of intelligent closestool, carries out the surface flushing of closestool inside face, then the flashing valve is opened the lower water function of closestool bottom after that, carries out the pipeline and washes to produce a siphon and discharge sewage.
As shown in fig. 1 and 2, when the user uses the intelligent closestool A, the user sits on the closestool A, the closestool A can not generate the effect of pre-flushing the upper surface, when the user uses up the closestool, the flushing command is executed, the main control board C controls the water inlet pipe D to intake water, the flushing valve B is used for dividing two water pipes (an upper water spray pipe E and a bottom water spray pipe F) to sequentially discharge water, firstly, the upper water spray pipe E is used for 1 time of flushing the dirt on the surface of the ceramic through the upper water spray hole G, after the dirt is flushed to the lower end, the bottom water spray pipe F is used for 1 time of water spraying through the bottom water spray hole H, the dirt is pushed into the S bend of the ceramic to generate the siphonage, and the dirt is discharged from the bottom sewage outlet through siphon.
However, the intelligent toilet of the jet direct flushing system has the following problems:
1. the jet direct flushing system generates a lot of noise, a disposable siphon effect period generated when a pipe is flushed is short, and a user frequently complains about noise and cleanliness generated when a flushing function is used at night.
2. When a user uses the closestool, the pre-charging effect is not achieved, the ceramic surface is dry, dirt is easily hung, and the cleaning effect of flushing is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the present invention provides a dual flush control system and method for an intelligent toilet, so as to reduce the noise and the period of noise generation when a user flushes water by using the toilet, prolong the period of siphon effect generated when the intelligent toilet flushes the internal pipeline, and improve the cleaning rate of flushing the intelligent toilet.
To achieve the above and other objects, the present invention provides a dual flush control system for an intelligent toilet, comprising:
the flushing request instruction receiving module is used for receiving a flushing request instruction;
the flushing instruction generating module is used for generating a flushing instruction and bringing tap water into a flushing valve through a water inlet pipe when the flushing request instruction is received;
the upper water jet flushing control module is used for controlling the flushing valve to discharge water through the upper water jet pipe, and the upper water jet pipe firstly sprays water through the upper water jet to flush the surface of the closestool so as to flush dirt on the surface of the ceramic to the bottom of the closestool;
the first-time flushing control module of the bottom water spray opening is used for controlling the flushing valve to discharge water through the bottom water spray pipe, and the water column is sprayed out through the bottom water spray opening through the bottom water spray pipe to push dirt at the bottom into an S-shaped bend of the closestool;
and the bottom water spray port secondary flushing control module is used for controlling the first flushing of the bottom water spray port to pause for a plurality of times and then controlling the flushing valve to discharge water through the bottom water spray pipe, and the bottom water spray port sprays water columns through the bottom water spray pipe to push residual dirt at the bottom into an S-shaped bend of the closestool.
Preferably, the system further comprises:
the human body detection module is used for detecting whether a human body sits on the closestool or not;
and the upper water jet pre-flushing module is used for controlling the flushing valve to control the upper water jet pipe to discharge water when detecting that a human body sits on the closestool, and automatically pre-flushing the closestool by spraying water from the upper water jet through the upper water jet pipe.
Preferably, the human body detection module comprises a pressure sensor and a comparator, the pressure sensor is located between a toilet seat ring and a toilet seat body of the intelligent toilet and fixed to the toilet seat ring, an output end of the pressure sensor is connected with an input end of the comparator, and the comparator compares an output value of the pressure sensor with a set value and outputs a corresponding feedback signal to the upper water jet pre-flushing module.
Preferably, the bottom water spray secondary flushing control module controls the flush valve to discharge water through the bottom water spray pipe after the bottom water spray primary flushing control module controls the instant pause after the first flushing.
Preferably, the system further comprises an upper water jet water replenishing and deodorizing control module for controlling the flushing valve to control the upper water jet to automatically flush and replenish water to block the S curve of the toilet, so as to prevent the backflow of odor and dirt.
In order to achieve the above object, the present invention further provides a dual flush control method for an intelligent toilet, comprising the following steps:
step S1, receiving a flushing request instruction;
step S2, when a flushing request instruction is received, the tap water is brought into the flushing valve through the water inlet pipe;
step S3, controlling the flushing valve to discharge water through the upper water spray pipe, and spraying water through the upper water spray opening through the upper water spray pipe E to flush the surface of the toilet bowl so as to flush dirt on the surface of the ceramic to the bottom of the toilet bowl;
step S4, controlling the flushing valve to discharge water for the first time through the bottom water spray pipe, and spraying water column through the bottom water spray port through the bottom water spray pipe to push dirt at the bottom into the S-shaped bend of the closestool;
and step S5, stopping for a plurality of times after the first flushing is controlled by the bottom water spray nozzle, controlling the flushing valve to discharge water through the bottom water spray pipe, and spraying water column from the bottom water spray nozzle through the bottom water spray pipe to push residual dirt at the bottom to the S-shaped bend of the closestool.
Preferably, before step S1, the method further includes the following steps:
and step S0, detecting whether a human body sits on the closestool, and when detecting that the human body sits on the closestool, spraying water from the upper water spraying opening through the upper water spraying pipe to automatically pre-flush the closestool.
Preferably, after step S5, the method further includes the following steps:
and step S6, controlling the flushing valve to automatically flush and supplement water through an upper water jet to block the S curve of the closestool so as to prevent the backflow of odor and dirt.
Preferably, in step S5, the flush valve is controlled to flush the water through the bottom spout pipe for the second time after the instant pause after the first flush through the bottom spout.
Preferably, in step S0, the human body detection is realized by disposing a pressure sensor between a toilet gasket and a toilet main body of the intelligent toilet.
Compared with the prior art, the double-flushing control system and method of the intelligent closestool realize double-flushing control on the intelligent closestool by adopting the secondary siphon technology and the combination of the siphon principle and the Venturi principle, reduce noise generated when a user uses the closestool to flush and the period of the noise, prolong the period of siphon effect generated when the intelligent closestool flushes the internal pipeline, and improve the cleaning rate of flushing of the intelligent closestool.
Drawings
FIG. 1 is a cross-sectional view of a flushing water path of a conventional intelligent toilet in the prior art;
FIG. 2 is a flow chart of a system of a conventional intelligent toilet in the prior art;
FIG. 3 is a system architecture diagram of a dual flush control system for an intelligent toilet of the present invention;
FIG. 4 is a flow chart illustrating the steps of a dual flush control method for an intelligent toilet of the present invention;
FIG. 5 is a sectional view of a flushing water path of an intelligent toilet according to an embodiment of the present invention
Fig. 6 is a system operation flow chart of the intelligent toilet applied to the embodiment of the invention.
Detailed Description
Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention with specific embodiments thereof in conjunction with the accompanying drawings. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention.
Fig. 3 is a system architecture diagram of a dual flush control system of an intelligent toilet according to the present invention. As shown in fig. 3, the dual flush control system of an intelligent toilet of the present invention is applied to a main control panel C of the intelligent toilet, and includes:
a flushing request instruction receiving module 101, configured to receive a flushing request instruction.
In the present invention, after the user has finished making his or her convenience, a flush request command is generated to the flush request command receiving module 101. The flushing request command may be generated by a user through key triggering, or may be generated by detecting the sitting and the unseating of the user through a sensor, which is a mature technology of the existing intelligent toilet and is not described herein again.
And the flushing instruction generating module 102 is used for generating a flushing instruction and bringing tap water into the flushing valve B through the water inlet pipe D when receiving the flushing request instruction. In the flush valve B, the tap water can be discharged from the two water pipes (the upper spray pipe E and the bottom spray pipe F), and the operation of the flush valve B is the same as that of the background art due to the generation of the flush command and the bringing of the tap water into the flush valve B through the water inlet pipe D, which is not described herein again.
And the upper water jet flushing control module 103 is used for controlling the flushing valve B to control the upper water jet pipe E to discharge water, and the upper water jet pipe E firstly sprays water through the upper water jet G to flush the surface of the toilet bowl so as to flush dirt on the surface of the ceramic to the bottom of the toilet bowl.
The bottom spout first flush control module 104 is configured to control the flush valve B to control the bottom spout F to discharge water, so that the bottom water column is sprayed from the bottom spout H through the bottom spout F to push bottom dirt into the S-bend of the toilet bowl.
And the bottom water spray opening second-time washing control module 105 is used for pausing for a plurality of times after the bottom water spray opening first-time washing control module 104 controls washing, then controls the flushing valve B to control the water outlet of the bottom water spray pipe F, sprays water columns from the bottom water spray opening H through the bottom water spray pipe F to push residual dirt at the bottom into an S-shaped bend of the closestool, and discharges the dirt from a bottom sewage outlet due to a second Venturi principle generated by siphoning. In the embodiment of the present invention, after the bottom water jet first flushing control module 104 controls flushing, the water outlet of the bottom water jet F is controlled immediately after 1 second pause, and the water column is sprayed from the bottom water jet H through the bottom water jet F to push the residual dirt at the bottom into the S-turn of the toilet bowl. Therefore, the intelligent closestool utilizes the siphonage generated by the first injection of the intelligent closestool siphon pipeline to suck away the excrement in the closestool, the second injection carries out the second siphonage on the residue after the first siphonage, and the aims of saving water and optimizing the flushing effect are achieved through the pipeline design and the program logic control of the double siphonage.
And the upper water spraying port water supplementing and deodorizing control module 106 is used for controlling the flushing valve B to control the upper water spraying port G to automatically flush and supplement water to block the S curve of the closestool so as to prevent odor and dirt from flowing back.
Preferably, the present invention provides a dual flush control system for an intelligent toilet, further comprising:
and the human body detection module 107 is used for detecting whether a human body sits on the closestool or not, outputting a first feedback signal if the closestool is occupied, and otherwise outputting a second feedback signal. In an embodiment of the present invention, the human body detecting module 107 may include a pressure sensor and a comparator, the pressure sensor is located between the toilet seat and the toilet seat body and fixed to the toilet seat, an output end of the pressure sensor is connected to an input end of the comparator, the comparator compares an output value of the pressure sensor with a set value, when the output value is greater than the set value, the comparator outputs a high level signal, i.e., a first feedback signal, and otherwise, the comparator outputs a low level signal, i.e., a second feedback signal.
And the upper water spray nozzle pre-flushing module 108 is used for controlling the flushing valve B to control the upper water spray pipe E to discharge water when detecting that a human body sits on the closestool, and spraying water from the upper water spray nozzle H through the upper water spray pipe E to automatically pre-flush the closestool. Therefore, when the user is convenient, the surface of the closestool is moist and lubricated, and dirt is not easy to stick and hang.
Fig. 4 is a flowchart illustrating steps of a dual flush control method for an intelligent toilet according to the present invention. As shown in fig. 4, the double flush control method of the intelligent toilet of the present invention includes the following steps:
in step S1, a flush request command is received.
In the present invention, after the user's convenience is over, a flush request command is generated to the main control panel C. The flushing request command may be generated by a user through key triggering, or may be generated by detecting the sitting and the unseating of the user through a sensor, which is a mature technology of the existing intelligent toilet and is not described herein again.
In step S2, when a flush request command is received, tap water is brought into the flush valve B through the water inlet pipe D. In the flushing valve B, tap water can be discharged from two water pipes (an upper spray pipe E and a bottom spray pipe F).
And step S3, controlling the flushing valve B to control the upper water spray pipe E to discharge water, and spraying water from the upper water spray opening G through the upper water spray pipe E to flush the surface of the toilet bowl so as to flush dirt on the ceramic surface to the bottom of the toilet bowl.
And step S4, controlling the flushing valve B to control the bottom water spray pipe F to discharge water for the first time, so that the bottom water spray hole H sprays water column through the bottom water spray pipe F to push the dirt at the bottom into the S-shaped bend of the closestool, and the dirt can be discharged from the bottom sewage outlet of the closestool due to the Venturi principle generated by siphoning.
And step S5, stopping for a plurality of times after the first flushing is controlled by the bottom water spray, controlling the flushing valve B to control the water outlet of the bottom water spray pipe F, spraying water columns from the bottom water spray hole H through the bottom water spray pipe F to push residual dirt at the bottom into an S-shaped bend of the closestool, and discharging the dirt from a bottom sewage outlet due to a second Venturi principle generated by siphoning. In the embodiment of the present invention, after the bottom water jet is flushed for the first time, the water outlet of the bottom water jet is controlled immediately after the pause, for example, 1 second, and the water column is sprayed from the bottom water jet H through the bottom water jet F to push the residual dirt at the bottom into the S-turn of the toilet bowl.
And step S6, controlling the flushing valve B to control the upper water jet G to automatically flush and replenish water to block the S curve of the closestool so as to prevent the backflow of odor and dirt.
Preferably, the invention relates to a double-flushing control method of an intelligent closestool, which further comprises the following steps:
and step S0, detecting whether a human body sits on the closestool, and when detecting that the human body sits on the closestool, spraying water from the upper water spraying opening H through the upper water spraying pipe E to automatically pre-flush the closestool.
In the embodiment of the invention, when a human body is detected to sit on the closestool, the flushing valve B is controlled to control the upper water spraying pipe E to discharge water, and the closestool is automatically pre-flushed by spraying water from the upper water spraying opening H through the upper water spraying pipe E. Therefore, when the user is convenient, the surface of the closestool is moist and lubricated, and dirt is not easy to stick and hang.
Examples
In this embodiment, as shown in fig. 5 and 6, when a user uses the intelligent toilet to sit on the toilet and detects a human body, the main control board C controls the water jet G on the toilet to automatically pre-flush, at this time, the surface of the toilet is wet and lubricated and is not easy to stick dirt, and after the user finishes his/her convenience, the main control board C controls the water inlet pipe D to bring tap water into the flush valve B, the main control board C controls the upper water jet pipe E to discharge water first, the upper water jet G sprays water to flush the surface of the 2 nd water horse barrel, the dirt on the surface of ceramic is flushed to the bottom of the toilet, the main control board C controls the bottom water jet pipe F to discharge water, the bottom water jet pipe H sprays water to push the dirt at the bottom of the S-bend of the toilet, the dirt remaining at the bottom of the S-bend is pushed by the bottom water jet pipe jet column of the H-bottom water jet outlet after the instant 1 second pause, due to the second venturi principle generated by siphoning, the dirt is discharged from the bottom sewage discharge outlet, and finally the water spray outlet G on the closestool is controlled to automatically flush and replenish water to block the S bend, so that the odor is discharged and the dirt flows back.
In summary, the double-flush control system and method for the intelligent closestool provided by the invention realize double-flush control on the intelligent closestool by adopting the secondary siphon technology and the combination of the siphon principle and the venturi principle, reduce the noise generated when a user uses the closestool to flush water and the period of the noise generation, prolong the period of the siphon effect generated when the intelligent closestool flushes the internal pipeline, and improve the cleaning rate of flushing the intelligent closestool.
Compared with the prior art, the invention has the following advantages:
1. the intelligent closestool adopts a secondary siphon technology, so that the duration of the noise peak value of the intelligent closestool during high-water-pressure flushing is shortened, the problem of squeal caused by the continuous duration of the noise peak value is solved, and the noise period is shortened.
2. The intelligent closestool siphons the excrement in the closestool by utilizing siphoning generated by the primary spraying of the intelligent closestool siphoning pipeline, and siphons the residues after the primary siphoning by the secondary spraying, so that the purposes of saving water and optimizing the flushing effect are achieved through the pipeline design and program logic control of double siphoning.
3. The invention reduces the requirement on the intelligent closestool ceramic pipeline, greatly increases the qualified rate of ceramic products, solves the problem of production process, improves the product quality, and indirectly achieves the purposes of energy conservation and consumption reduction.
4. The invention shortens the opening time of the flushing valve on the control logic (the prior flushing technology is continuous for 3 seconds, the invention can flush for 1 second, stop for 0.5S and flush for 1 second again, and the total time is 2S), thereby reducing the impact time of high water pressure on the flushing valve body in the intelligent closestool and playing the role of prolonging the flushing service life of the whole machine product to a certain extent.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the scope of the invention should be determined from the following claims.
Claims (10)
1. A dual flush control system for an intelligent toilet, comprising:
the flushing request instruction receiving module is used for receiving a flushing request instruction;
the flushing instruction generating module is used for generating a flushing instruction and bringing tap water into a flushing valve through a water inlet pipe when the flushing request instruction is received;
the upper water jet flushing control module is used for controlling the flushing valve to discharge water through the upper water jet pipe, and the upper water jet pipe firstly sprays water through the upper water jet to flush the surface of the closestool so as to flush dirt on the surface of the ceramic to the bottom of the closestool;
the first-time flushing control module of the bottom water spray opening is used for controlling the flushing valve to discharge water through the bottom water spray pipe, and the water column is sprayed out through the bottom water spray opening through the bottom water spray pipe to push dirt at the bottom into an S-shaped bend of the closestool;
and the bottom water spray port secondary flushing control module is used for controlling the first flushing of the bottom water spray port to pause for a plurality of times and then controlling the flushing valve to discharge water through the bottom water spray pipe, and the bottom water spray port sprays water columns through the bottom water spray pipe to push residual dirt at the bottom into an S-shaped bend of the closestool.
2. The dual flush control system for an intelligent toilet according to claim 1, wherein said system further comprises:
the human body detection module is used for detecting whether a human body sits on the closestool or not;
and the upper water jet pre-flushing module is used for controlling the flushing valve to control the upper water jet pipe to discharge water when detecting that a human body sits on the closestool, and automatically pre-flushing the closestool by spraying water from the upper water jet through the upper water jet pipe.
3. The dual flush control system of an intelligent toilet as claimed in claim 2, wherein: the human body detection module comprises a pressure sensor and a comparator, the pressure sensor is located between a toilet seat ring and a toilet seat body of the intelligent toilet and fixed with the toilet seat ring, the output end of the pressure sensor is connected with the input end of the comparator, the comparator compares the output value of the pressure sensor with a set value, and outputs a corresponding feedback signal to the upper water spray opening pre-flushing module.
4. The dual flush control system of an intelligent toilet as claimed in claim 2, wherein: the bottom water spray nozzle secondary flushing control module controls the flushing valve to discharge water through the bottom water spray pipe after the bottom water spray nozzle primary flushing control module controls the instant pause after the first flushing.
5. The dual flush control system of an intelligent toilet according to claim 4, wherein: the system also comprises an upper water jet water replenishing and deodorizing control module for controlling the flushing valve to control the upper water jet to automatically flush and replenish water to block the S curve of the closestool so as to prevent the backflow of odor and dirt.
6. A double-flushing control method of an intelligent closestool comprises the following steps:
step S1, receiving a flushing request instruction;
step S2, when a flushing request instruction is received, the tap water is brought into the flushing valve through the water inlet pipe;
step S3, controlling the flushing valve to discharge water through the upper water spray pipe, and spraying water through the upper water spray opening through the upper water spray pipe E to flush the surface of the toilet bowl so as to flush dirt on the surface of the ceramic to the bottom of the toilet bowl;
step S4, controlling the flushing valve to discharge water for the first time through the bottom water spray pipe, and spraying water column through the bottom water spray port through the bottom water spray pipe to push dirt at the bottom into the S-shaped bend of the closestool;
and step S5, stopping for a plurality of times after the first flushing is controlled by the bottom water spray nozzle, controlling the flushing valve to discharge water through the bottom water spray pipe, and spraying water column from the bottom water spray nozzle through the bottom water spray pipe to push residual dirt at the bottom to the S-shaped bend of the closestool.
7. The dual flush control method of an intelligent toilet according to claim 6, wherein before step S1, the method further comprises the following steps:
and step S0, detecting whether a human body sits on the closestool, and when detecting that the human body sits on the closestool, spraying water from the upper water spraying opening through the upper water spraying pipe to automatically pre-flush the closestool.
8. The dual flush control method for the intelligent toilet according to claim 7, wherein after step S5, the method further comprises the following steps:
and step S6, controlling the flushing valve to automatically flush and supplement water through an upper water jet to block the S curve of the closestool so as to prevent the backflow of odor and dirt.
9. The dual flush control method of the intelligent toilet according to claim 8, wherein: in step S5, after the flush valve is momentarily stopped after the first flush through the bottom nozzle, the flush valve is controlled to flush the water through the bottom nozzle for the second time.
10. The dual flush control method of the intelligent toilet according to claim 8, wherein: in step S0, a pressure sensor is disposed between a toilet gasket and a toilet body of the intelligent toilet to detect a human body.
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| CN202011096369.9A CN112323937A (en) | 2020-10-14 | 2020-10-14 | Double-flushing control system and method for intelligent closestool |
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| CN202011096369.9A CN112323937A (en) | 2020-10-14 | 2020-10-14 | Double-flushing control system and method for intelligent closestool |
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| CN113502887A (en) * | 2021-07-30 | 2021-10-15 | 九牧厨卫股份有限公司 | Take self-cleaning function's injection to detect shower nozzle and closestool |
| CN113502887B (en) * | 2021-07-30 | 2022-06-14 | 九牧厨卫股份有限公司 | Take self-cleaning function's injection to detect shower nozzle and closestool |
| CN113957966A (en) * | 2021-11-12 | 2022-01-21 | 泉州科牧智能厨卫有限公司 | Flushing control method of closestool and flushing closestool |
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