Intelligent control of a water closet and control method

Abstract

The application discloses a kind of intelligent control drainer and control method, belongs to drainer technical field, specifically includes the following steps: S1, sensor sampling and signal filtering;S2, event determination, priority scheduling is carried out by main control module;S3, execute valve core movement, synchronous operation current anti-pinch protection algorithm;S4, action is completed, and main control module carries out state update;S5, fault handling and state feedback;S6, cycle back to S1.The application adopts the above-mentioned intelligent control drainer and control method, sets current anti-pinch protection algorithm, protects transmission structure and driving motor, and the service life is longer;Lifting mechanism and full open single stage hall sensor, full close single pole hall sensor are used, and the opening and closing precision is high, simultaneously has failure protection, and safety is good;Slip gear set, third transmission gear and rocker can be manually reset after troubleshooting;Valve core opening and closing can be controlled by touch or remote, and drainer state is acquired.

Description

Technical Field

[0001] This invention relates to the field of drain appliance technology, and in particular to an intelligent control drain appliance and control method. Background Technology

[0002] A drain is a device installed at the drain outlet of a sink (such as a kitchen sink or handwashing basin) to control the flow of water. Some drains also have filtering and odor-proof functions. Existing drains are mainly divided into two common structures: pop-up and flap-top. Pop-up drains open or close the drain outlet by pressing the inner core, causing it to spring up or fall; flap-top drains control the water flow by flipping a cover.

[0003] However, existing pop-up drains have the following shortcomings in practical use: First, they lack an electric drive structure, making it impossible to achieve automated control such as sensing or remote control, thus failing to meet users' needs for smart homes. Second, although some drains attempt to add electronic control modules, most designs completely lose their drainage control function in the event of a power outage or motor failure, relying solely on disassembly or emergency drainage, lacking a reliable manual backup operation method. Summary of the Invention

[0004] The purpose of this invention is to provide an intelligent control drainer and control method, which includes an anti-pinch current protection algorithm to protect the transmission structure and drive motor, resulting in a longer equipment lifespan; the use of a lifting mechanism and a fully open single-stage Hall sensor and a fully closed single-stage Hall sensor ensures high opening and closing accuracy, while also providing fail-safe protection for good safety; the inclusion of a sliding gear set, a third transmission gear, and a rocker arm allows for manual reset after fault diagnosis; and the valve core can be opened and closed via touch or remote control, and the drainer status can be obtained.

[0005] To achieve the above objectives, the present invention provides a control method for an intelligent control drain, specifically including the following steps: S1. Sensor sampling and signal filtering; S2. Event determination, the main control module performs priority scheduling; S3. Execute the valve core movement and synchronously run the current anti-pinch protection algorithm; S4. The action is completed, and the main control module updates the status. S5, Fault handling and status feedback; S6, loop back to S1.

[0006] Preferably, the motor sampling resistor in S1 collects the motor operating current in real time. The water level sensor collects the raw water level signal. The fully open single-stage Hall sensor and the fully closed single-stage Hall sensor collect the switching status of the valve core and the status of the touch switch. The moving average filtering algorithm is used to eliminate instantaneous interference caused by foam and splashes, as shown below: ; in, For the first Water level sample value after secondary filtering For the first The original water level signal was collected this time. The number of samples within the sliding window. The sampling point number within the window; The filtered water level is converted to the actual water level height, as shown below: ; in, This refers to the actual water level in the pool. To calibrate the proportional coefficient of the water level sensor, This is the sensor zero-point offset; The water level threshold is determined as follows: ; in, The overflow warning water level threshold, To complete the drainage process and reach the low water level threshold.

[0007] Preferably, the system state set in S2 is as follows: ,in, In standby mode. The valve core is in the closed state. This indicates the valve core is in the open operating state. The overflow protection is in a forced-on state. The system is in a fault-locked state. The water storage timer is in standby mode. Based on the signals collected in S1, various events are identified and prioritized. Filter the highest priority events, among which, This is an overflow-triggered event. This refers to a motor overload / jamming event. This is a motor operation timeout event. For key presses / remote control events, The water storage timer has expired. If an overflow trigger event is detected Then switch to the overflow protection forced activation state. The valve core is opened. If a motor overload / jamming event is detected If the motor stops immediately, it will enter a fault lockout state. ; If no high-level fault event occurs, the system will respond to button presses / remote control and water storage timer.

[0008] Preferably, in S3, the main control module receives an open / close command and controls the motor to drive the threaded rod to rotate, causing the valve core to rise and fall to achieve opening and closing. During operation, the motor operating current is collected in real time. And calculate the current difference. Real-time detection of valve core jamming, as shown below: ; in, The overload protection current threshold; The judgment criteria are as follows: ; in, The overload protection current threshold; When the fully open single-stage Hall sensor and the fully closed single-stage Hall sensor detect that the valve core has reached the corresponding limit, the motor stops and the status is updated. If during operation... If the fully open single-stage Hall sensor and the fully closed single-stage Hall sensor are both determined to be faulty, the system will enter a fault-locked state. ,in, This refers to the duration of this valve core operation. This represents the maximum allowable operating time of the valve core.

[0009] Preferably, after the valve core in S4 is closed, it enters the water storage timer waiting state. Start accumulating time The timer reaches the user's preset water storage time. Stop water storage and enter standby mode ,like Then the overflow protection will be forcibly activated. After the valve core is opened, if If the valve core is closed automatically, the system will enter standby mode. .

[0010] Preferably, in S5, a fault lockout state is entered. The main control module sends a fault code to the APP. After the fault is cleared, the lever is moved to make the sliding gear set mesh with the first transmission gear and the third transmission gear respectively, and the rocker arm is shaken to reset the valve core.

[0011] This invention provides an intelligent control drainer, applied to the control method of the aforementioned intelligent control drainer, comprising a valve core, the bottom of which is connected to a lifting mechanism, the lifting mechanism including a lifting rod connected to the bottom of the valve core, a lifting nut at the bottom of the lifting rod, the lifting nut being threadedly connected to a threaded rod, a cavity for accommodating the threaded rod being provided inside the lifting rod, a first transmission gear at the bottom of the threaded rod meshing with a sliding gear set, a lever on the sliding gear set, the sliding gear set meshing with a second or third transmission gear, the second transmission gear being connected to a motor, and the third transmission gear being connected to a rocker arm.

[0012] Preferably, the valve core is installed on the connecting cylinder, and the lower part of the connecting cylinder is connected to the bend. The lifting mechanism is located below the bend. A fully open single-stage Hall sensor and a fully closed single-stage Hall sensor are installed on the outside of the connecting cylinder. The fully open single-stage Hall sensor responds to the N pole, and the fully closed single-stage Hall sensor responds to the S pole. The valve core has a built-in N-S magnet. The motor integrates a motor sampling resistor. The motor is a DC geared motor. A water level sensor and a touch switch are installed on the water tank.

[0013] Preferably, the water level sensor, the fully open single-stage Hall sensor, the fully closed single-stage Hall sensor, the motor sampling resistor, and the electrodes are all connected to the main control module and the power supply. The power supply is connected to the main control module, and the main control module is connected to the touch switch and the APP.

[0014] Therefore, this invention adopts the above-mentioned intelligent control drainer and control method, sets up a current anti-pinch protection algorithm to protect the transmission structure and drive motor, and extends the equipment life; it adopts a lifting mechanism and a fully open single-stage Hall sensor and a fully closed single-stage Hall sensor, which have high opening and closing accuracy and failure protection, and good safety; it sets up a sliding gear group, a third transmission gear and a rocker arm, which can be manually reset after troubleshooting; the valve core can be opened and closed by touch or remote control, and the drainer status can be obtained.

[0015] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0016] Figure 1 This is a flowchart of a control method for an intelligent control drain device according to the present invention; Figure 2 This is a structural schematic diagram of an intelligent control drain device according to the present invention; Figure 3 This is a schematic diagram of the structure of an intelligent control water dispenser lifting mechanism according to the present invention.

[0017] Figure Labels 1. Valve core; 2. Connecting cylinder; 3. Fully open single-stage Hall sensor; 4. Fully closed single-stage Hall sensor; 5. Toggle lever; 6. Lifting lever; 7. Lifting nut; 8. Threaded rod; 9. First transmission gear; 10. Sliding gear set; 11. Second transmission gear; 12. Motor; 13. Third transmission gear; 14. Rocker arm; 15. Lifting mechanism; 16. Bend. Detailed Implementation

[0018] The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] Example 1 like Figure 1 As shown, the present invention provides a control method for an intelligent control drain, specifically including the following steps: S1. Sensor sampling and signal filtering; Real-time acquisition of motor operating current using motor sampling resistor The water level sensor collects the raw water level signal. The fully open single-stage Hall sensor and the fully closed single-stage Hall sensor collect the switching status of the valve core and the status of the touch switch.

[0021] The moving average filtering algorithm is used to eliminate instantaneous interference caused by foam and splashes, as shown below: ; in, For the first Water level sample value after secondary filtering For the first The original water level signal was collected this time. The number of samples within the sliding window. This refers to the sampling point number within the window.

[0022] The filtered water level is converted to the actual water level height, as shown below: ; in, This refers to the actual water level in the pool. To calibrate the proportional coefficient of the water level sensor, This is the sensor zero-point offset.

[0023] The water level threshold is determined as follows: ; in, The overflow warning water level threshold, To complete the drainage process and reach the low water level threshold.

[0024] S2. Event determination, the main control module performs priority scheduling; The system state set is ,in, In standby mode. The valve core is in the closed state. This indicates the valve core is in the open operating state. The overflow protection is in a forced-on state. The system is in a fault-locked state. The system is in a waiting state for water storage.

[0025] Based on the signals collected in S1, various events are identified and prioritized. Filter the highest priority events, among which, This is an overflow-triggered event. This refers to a motor overload / jamming event. This is a motor operation timeout event. For key presses / remote control events, The timer for water storage has expired.

[0026] If an overflow trigger event is detected Then switch to the overflow protection forced activation state. The valve core is opened.

[0027] If a motor overload / jamming event is detected If the motor stops immediately, it will enter a fault lockout state. .

[0028] If no high-level fault event occurs, the system will respond to button presses / remote control and water storage timer.

[0029] S3. Execute the valve core movement and synchronously run the current anti-pinch protection algorithm; The main control module receives the open / close command and controls the motor to drive the threaded rod to rotate, thereby raising and lowering the valve core to open and close the valve. During operation, the motor operating current is collected in real time. And calculate the current difference. Real-time detection of valve core jamming, as shown below: ; in, This is the overload protection current threshold.

[0030] The judgment criteria are as follows: ; in, This is the overload protection current threshold.

[0031] When the fully open single-stage Hall sensor and the fully closed single-stage Hall sensor detect that the valve core has reached the corresponding limit, the motor stops and the status is updated. If during operation... If the fully open single-stage Hall sensor and the fully closed single-stage Hall sensor are both determined to be faulty, the system will enter a fault-locked state. ,in, This refers to the duration of this valve core operation. This represents the maximum allowable operating time of the valve core.

[0032] S4. The action is completed, and the main control module updates the status. After the valve core closes, it enters the water storage timer standby state. Start accumulating time The timer reaches the user's preset water storage time. Stop water storage and enter standby mode ,like Then the overflow protection will be forcibly activated. After the valve core is opened, if If the valve core is closed automatically, the system will enter standby mode. .

[0033] S5, Fault handling and status feedback; Enter fault lockout state The main control module sends a fault code to the APP. After the fault is cleared, the lever is moved to make the sliding gear set mesh with the first transmission gear and the third transmission gear respectively, and the rocker arm is shaken to reset the valve core.

[0034] S6, loop back to S1.

[0035] like Figures 2 to 3As shown, the present invention provides an intelligent control drainer, applied to the control method of the aforementioned intelligent control drainer, including a valve core 1. The bottom of the valve core 1 is connected to a lifting mechanism 15. The lifting mechanism 15 includes a lifting rod 6, which is connected to the bottom of the valve core 1. A lifting nut 7 is provided at the bottom of the lifting rod 6, and the lifting nut 7 is threadedly connected to a threaded rod 8. A cavity for accommodating the threaded rod 8 is provided inside the lifting rod 6. A first transmission gear 9 is provided at the bottom of the threaded rod 8, which meshes with a sliding gear set 10. A lever 5 is provided on the sliding gear set 10, which meshes with a second transmission gear 11 or a third transmission gear 13. The second transmission gear 11 is connected to a motor 12, and the third transmission gear 13 is connected to a rocker arm 14.

[0036] When the drainer is in normal use, the lever 5 is moved so that the sliding gear set 10 meshes with the first transmission gear 9 and the second transmission gear 11 respectively. The motor 12 transmits torque to the threaded rod 8 through the second transmission gear 11, the sliding gear set 10 and the first transmission gear 9. The rotation of the threaded rod 8 drives the lifting nut 7 to rise and fall along the threaded rod 8, thereby causing the lifting rod 6 to rise and fall, which drives the valve core 1 to open and close.

[0037] When the drain malfunction is cleared and the drain is reset, the lever 5 is moved so that the sliding gear set 10 meshes with the first transmission gear 9 and the third transmission gear 13 respectively. The rocker arm 14 is rocked so that the torque is transmitted to the threaded rod 8 through the third transmission gear 13, the sliding gear set 10 and the first transmission gear 9. The rotation of the threaded rod 8 drives the lifting nut 7 to rise and fall along the threaded rod 8, thereby causing the lifting rod 6 to rise and fall, which drives the valve core 1 to open and close.

[0038] Valve core 1 is mounted on connecting cylinder 2, which is connected to bend 16 at the bottom. Lifting mechanism 15 is located below bend 16. A fully open single-stage Hall sensor 3 and a fully closed single-stage Hall sensor 4 are installed on the outside of connecting cylinder 2. The fully open single-stage Hall sensor responds to the N pole, and the fully closed single-stage Hall sensor 4 responds to the S pole. Valve core 1 has a built-in N / S magnet. The fully open single-stage Hall sensor 3 and the fully closed single-stage Hall sensor 4 conduct when the N / S magnet is near and disconnect when it is far away, thus detecting the opening and closing position of valve core 1. Motor 12 integrates a sampling resistor. Motor 12 is a DC geared motor. A water level sensor and a touch switch are installed on the water tank. The sampling resistor collects the operating current of motor 12 in real time, the water level sensor detects the water level in the tank, and the touch switch is used for manual control of valve core 1's opening and closing.

[0039] The water level sensor, the fully open single-stage Hall sensor 3, the fully closed single-stage Hall sensor 4, the motor 12, the sampling resistor, and the electrodes are all connected to the main control module and the power supply. The power supply is connected to the main control module, which in turn is connected to the touch switch and the app. The main control module processes and controls the data and transmits the power supply and drain status to the app. The power supply provides power to all components of the drain.

[0040] Therefore, this invention adopts the above-mentioned intelligent control drainer and control method, sets up a current anti-pinch protection algorithm to protect the transmission structure and drive motor, and extends the equipment life; it adopts a lifting mechanism and a fully open single-stage Hall sensor and a fully closed single-stage Hall sensor, which have high opening and closing accuracy and failure protection, and good safety; it sets up a sliding gear group, a third transmission gear and a rocker arm, which can be manually reset after troubleshooting; the valve core can be opened and closed by touch or remote control, and the drainer status can be obtained.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solutions of the present invention, and these modifications or equivalent substitutions cannot cause the modified technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A control method for an intelligent control drain device, characterized in that: Specifically, the following steps are included: S1. Sensor sampling and signal filtering; S2. Event determination, the main control module performs priority scheduling; S3. Execute the valve core movement and synchronously run the current anti-pinch protection algorithm; S4. The action is completed, and the main control module updates the status. S5, Fault handling and status feedback; S6, loop back to S1.

2. The control method for an intelligent control drain device according to claim 1, characterized in that: S1 contains a motor sampling resistor that collects the motor operating current in real time. Water level sensor collects raw water level signals The fully open single-stage Hall sensor and the fully closed single-stage Hall sensor collect the switching status of the valve core and the status of the touch switch. The moving average filtering algorithm is used to eliminate instantaneous interference caused by foam and splashes, as shown below: ； in, For the first Water level sample value after secondary filtering For the first The original water level signal was collected this time. The number of samples within the sliding window. The sampling point number within the window; The filtered water level is converted to the actual water level height, as shown below: ； in, This refers to the actual water level in the pool. To calibrate the proportional coefficient of the water level sensor, This is the sensor zero-point offset; The water level threshold is determined as follows: ； in, The overflow warning water level threshold, To complete the drainage process and reach the low water level threshold.

3. The control method for an intelligent control drain device according to claim 2, characterized in that: The system state set in S2 is: ,in, In standby mode. The valve core is in the closed state. This indicates the valve core is in the open operating state. The overflow protection is in a forced-on state. The fault is locked. The water storage timer is in standby mode. Based on the signals collected in S1, various events are identified and prioritized. Filter the highest priority events, among which, This is an overflow-triggered event. This refers to a motor overload / jamming event. This is a motor operation timeout event. For key presses / remote control events, The water storage timer has expired. If an overflow trigger event is detected Then switch to the overflow protection forced activation state. The valve core is opened. If a motor overload / jamming event is detected If the motor stops immediately, it will enter a fault lockout state. ; If no high-level fault event occurs, the system will respond to button presses / remote control and water storage timer.

4. The control method for an intelligent control drain device according to claim 3, characterized in that: In S3, the main control module receives an open / close command and controls the motor to drive the threaded rod to rotate, thereby raising and lowering the valve core to open and close the valve. During operation, the motor operating current is collected in real time. And calculate the current difference. Real-time detection of valve core jamming, as shown below: ； in, The overload protection current threshold; The judgment criteria are as follows: ； in, The overload protection current threshold; When the fully open single-stage Hall sensor and the fully closed single-stage Hall sensor detect that the valve core has reached the corresponding limit, the motor stops and the status is updated. If during operation... If the fully open single-stage Hall sensor and the fully closed single-stage Hall sensor are both determined to be faulty, the system will enter a fault-locked state. ,in, This refers to the duration of this valve core operation. This represents the maximum allowable operating time of the valve core.

5. The control method for an intelligent control drain device according to claim 4, characterized in that: After the valve core in S4 closes, it enters the water storage timer standby state. Start accumulating time The timer reaches the user's preset water storage time. Stop water storage and enter standby mode ,like Then the overflow protection will be forcibly activated. After the valve core is opened, if If the valve core is closed automatically, the system will enter standby mode. .

6. The control method for an intelligent control drain device according to claim 5, characterized in that: S5 enters fault lockout state The main control module sends a fault code to the APP. After the fault is cleared, the lever is moved to make the sliding gear set mesh with the first transmission gear and the third transmission gear respectively, and the rocker arm is shaken to reset the valve core.

7. An intelligent control drain device, applied to the control method of the intelligent control drain device according to any one of claims 1-6, characterized in that: The device includes a valve core, the bottom of which is connected to a lifting mechanism. The lifting mechanism includes a lifting rod, which is connected to the bottom of the valve core. A lifting nut is provided at the bottom of the lifting rod, and the lifting nut is connected to a threaded rod via threads. A cavity is provided inside the lifting rod to accommodate the threaded rod. A first transmission gear is provided at the bottom of the threaded rod, and the first transmission gear meshes with a sliding gear set. A lever is provided on the sliding gear set, and the sliding gear set meshes with a second or third transmission gear. The second transmission gear is connected to a motor, and the third transmission gear is connected to a rocker arm.

8. The intelligent control drain device according to claim 7, characterized in that: The valve core is installed on the connecting cylinder, which is connected to the bend below. The lifting mechanism is located below the bend. A fully open single-stage Hall sensor and a fully closed single-stage Hall sensor are installed on the outside of the connecting cylinder. The fully open single-stage Hall sensor responds to the N pole, and the fully closed single-stage Hall sensor responds to the S pole. The valve core has a built-in N-S magnet. The motor integrates a motor sampling resistor. The motor is a DC geared motor. A water level sensor and a touch switch are installed on the water tank.

9. The intelligent control drain device according to claim 8, characterized in that: The water level sensor, the fully open single-stage Hall sensor, the fully closed single-stage Hall sensor, the motor sampling resistor, and the electrodes are all connected to the main control module and the power supply. The power supply is connected to the main control module, and the main control module is connected to the touch switch and the APP.

Images