CN112127429A - Water outlet control method for sanitary ware - Google Patents
Water outlet control method for sanitary ware Download PDFInfo
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- CN112127429A CN112127429A CN202010835049.4A CN202010835049A CN112127429A CN 112127429 A CN112127429 A CN 112127429A CN 202010835049 A CN202010835049 A CN 202010835049A CN 112127429 A CN112127429 A CN 112127429A
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- detection circuit
- water outlet
- outlet valve
- signal detection
- signal
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
- E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
- E03C1/057—Electrical control devices, e.g. with push buttons, control panels or the like touchless, i.e. using sensors
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Domestic Plumbing Installations (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses a water outlet control method of sanitary ware, which comprises a water outlet main body, a water outlet valve, a signal detection circuit, a control circuit and a power supply, wherein the signal detection circuit is used for detecting an induction signal, and the control circuit controls the opening and closing of the water outlet valve according to the detection result of the signal detection circuit; further comprising the steps of: a. the signal detection circuit detects the induction signal; b. presetting time t, if the time t of continuously receiving the induction signal1If t is more than or equal to t, executing the step c; if t of the induction signal is continuously received2If t is less than t, executing step d; c. the water outlet valve is opened, and when the induction signal stops, the water outlet valve is closed; d. the water outlet valve is opened, and when the induction signal stops, the water outlet valve is still kept opened.
Description
Technical Field
The invention relates to the field of bathrooms, in particular to a water outlet control method of sanitary ware.
Background
At present, the existing sanitary ware works by automatically boiling water before a hand is stretched to a sensing window of the sanitary ware, and automatically turning off the water when the hand leaves (sensing namely boiling water, namely turning off the water when leaving); the hand washing basin is suitable for being used for washing hands in public places, but is not suitable for other places except the public places, for example, when a counter basin is needed to be used for containing water, obvious defects exist; the sensing state needs to be kept for a long time before the hands are placed in the sensing window so that the counter basin can contain enough water. Therefore, the use of the water injection device in places such as a household toilet, a kitchen and the like is restricted, the application range of the water injection device is limited, the water injection device can be independently controlled by adding an additional mechanical switch or an inductive switch for a long time, and the product cost can be greatly increased due to the arrangement, so that the water injection device is not beneficial to market popularization.
Disclosure of Invention
The invention aims to solve at least one technical problem, and provides a water outlet control method of sanitary ware.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method of controlling water outflow from a plumbing fixture, comprising:
a water outlet body having a water discharge passage;
the water outlet valve is used for controlling the on-off of the drainage channel and specifically adopts an electromagnetic valve;
the water outlet valve is characterized by further comprising a signal detection circuit, a control circuit and a power supply, wherein the signal detection circuit is used for detecting an induction signal, the control circuit controls the opening and closing of the water outlet valve according to the detection result of the signal detection circuit, and the power supply supplies power to the signal detection circuit, the control circuit and the water outlet valve;
further comprising the steps of:
a. the signal detection circuit detects the induction signal;
b. presetting time t, if the time t of continuously receiving the induction signal1If t is more than or equal to t, executing the step c;
if t of the induction signal is continuously received2If t is less than t, executing step d;
c. the water outlet valve is opened, and when the induction signal stops, the water outlet valve is closed;
d. the water outlet valve is opened, and when the sensing signal stops, the water outlet valve is still opened.
Preferably, the device further comprises a wake-up circuit, and before the step a, the device further comprises a step a';
a', the signal detection circuit is in a dormant state in an initial state, the signal detection circuit is awakened through the awakening circuit, the step b is executed when the signal detection circuit receives an induction signal, and the signal detection circuit enters the dormant state when the signal detection circuit does not receive the induction signal.
Preferably, the wake-up circuit uses a timer or a watchdog.
Preferably, the signal detection circuit emits a periodic monopulse signal.
Preferably, in the step d, when the signal detection circuit receives the sensing signal again, the water outlet valve is closed.
Preferably, in the step d, when the outlet valve is opened for a preset limited time T2And then, the water outlet valve is automatically closed.
Preferably, in the step c, when the outlet valve is opened for a preset limited time T1And then, the water outlet valve is automatically closed.
Preferably, when step c is executed, step d is disabled, and the signal detection circuit enters a sleep mode after step c is finished.
Preferably, when step d is executed, step c is disabled, and the signal detection circuit enters a sleep mode after step d is finished.
Preferably, the signal detection circuit comprises an infrared signal detection circuit, an ultrasonic circuit or a magnetic field signal detection circuit, and the power supply is further connected with an anti-reverse connection circuit.
Preferably, the water outlet body is a faucet, a shower head or a spray gun.
The invention has the beneficial effects that:
1.the invention relates to a water outlet control method of sanitary ware, which comprises a water outlet main body, a water outlet valve, a signal detection circuit, a control circuit and a power supply, wherein the signal detection circuit is used for detecting an induction signal, the control circuit controls the opening and closing of the water outlet valve according to the detection result of the signal detection circuit, and the power supply supplies power to the signal detection circuit, the control circuit and the water outlet valve; further comprising the steps of: a. the signal detection circuit detects the induction signal; b. presetting time t, if the time t of continuously receiving the induction signal1If t is more than or equal to t, executing the step c; if t of the induction signal is continuously received2If t is less than t, executing step d; c. the water outlet valve is opened, and when the induction signal stops, the water outlet valve is closed; d. the water outlet valve is opened, and when the induction signal stops, the water outlet valve is still kept opened, so that the scheme can realize the functions of sensing boiled water, namely leaving and closing water, and sensing once continuous water supply by arranging a signal detection circuit, is suitable for public occasions and households, enriches the product use and greatly saves the product cost;
2. the device also comprises a wake-up circuit and a step a' before the step a;
a', the signal detection circuit is in a dormant state in an initial state, the signal detection circuit is awakened through the awakening circuit, the step b is executed when the signal detection circuit receives an induction signal, and the signal detection circuit enters the dormant state when the signal detection circuit does not receive the induction signal, so that the electric quantity and the resources can be saved.
3. The signal detection circuit transmits a periodic single pulse signal, so that the electric quantity loss is reduced.
4. In the step d, when the signal detection circuit receives the induction signal again, the water outlet valve is closed, so that water can be continuously supplied after induction once, and water can be turned off after induction once again, so that the operation is flexible;
5. in the step d, when the water outlet valve is opened for a preset limited time T2Then, the water outlet valve is automatically closed, can realize the induction of one-time continuous water supply and is connected with the maximum water supply at the set lengthWhen the water supply time is up, the water is automatically turned off, so that the water resource waste caused by mistaken turning on or forgetting turning off is avoided;
6. in the step c, when the water outlet valve is opened for a preset limited time T1Then, the water outlet valve is automatically closed, so that the phenomenon that water is normally opened due to the fact that a barrier is mistakenly placed in front of the sensor is avoided, and water resource waste is caused;
7. when the step c is executed, the step d is invalid, and the signal detection circuit enters a sleep mode after the step c is finished, so that the program control is more stable;
8. and c, when the step d is executed, the step c is invalid, and the signal detection circuit enters a sleep mode after the step d is finished, so that the program control is more stable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a method of controlling the outflow of water from a plumbing fixture of the present invention;
fig. 2 is a circuit diagram of a water outlet control method of the sanitary ware of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, a method for controlling water outflow from a sanitary ware includes:
a water outlet body having a water discharge passage;
the water outlet valve 3 is used for controlling the on-off of the drainage channel;
the water outlet valve is characterized by further comprising a signal detection circuit 1, a control circuit 2 and a power supply 4, wherein the signal detection circuit 1 is used for detecting an induction signal, the control circuit 2 controls the opening and closing of the water outlet valve 3 according to the detection result of the signal detection circuit 1, and the power supply 4 supplies power to the signal detection circuit 1, the control circuit 2 and the water outlet valve 3;
further comprising the steps of:
a. the signal detection circuit 1 detects the induction signal;
b. presetting time t, if the time t of continuously receiving the induction signal1If t is more than or equal to t, executing the step c;
if t of the induction signal is continuously received2If t is less than t, executing step d;
c. the water outlet valve 3 is opened, and when the sensing signal stops, the water outlet valve 3 is closed; (namely, the function of sensing boiled water, namely, the function of stopping water when the water leaves);
d. the water outlet valve 3 is opened, and when the sensing signal is stopped, the water outlet valve 3 is still opened (namely, continuous water supply is realized by sensing once).
In this embodiment, t is greater than or equal to 0.5S and less than or equal to 2S, and the value of t is specifically selected to see the people who are frequently used, for example, the people who are frequently used are young students such as young pupils and middle school students, the user is agile in movement, at this time, t can be set to 0.5S, if the users who are frequently used are old people or people with mobility difficulty, the user is relatively sluggish in movement, at this time, t is set to 1.5S or 2.0S, and in a general case, t is set to 1.0S by default.
In this embodiment, the water outlet body is a faucet, a shower head or a spray gun.
In this embodiment, the method further includes a wake-up circuit, and before the step a, the method further includes a step a';
a', the signal detection circuit 1 is in a dormant state in an initial state, the signal detection circuit 1 is awakened through the awakening circuit, the step b is executed when the signal detection circuit 1 receives an induction signal, and the signal detection circuit 1 enters the dormant state when the induction signal is not received, so that the electric quantity and the resources can be saved.
In this embodiment, the wake-up circuit employs a timer or a watchdog, and the watchdog is used for periodically starting the circuit, and the working principle thereof belongs to common general knowledge in the art, and is not described herein again.
In this embodiment, the signal detection circuit 1 transmits a periodic single pulse signal, so as to reduce power consumption.
In this embodiment, in the step d, when the signal detection circuit 1 receives the sensing signal again, and the sensing time is still less than the preset time t, the water outlet valve 3 is closed, continuous water supply can be achieved by sensing once, and water is turned off by sensing once again, and the operation is flexible, in the step d, if the duration of the signal sensed again is greater than or equal to the preset time t, the water outlet valve 3 is not closed, because in actual use, for example, when a lower water outlet faucet of a shower stores water into a washbasin, a user is still located in a sensing area, in this process, the signal detection circuit 1 may sense the signal for a long time, but cannot turn off the water.
In this embodiment, in the step d, when the outlet valve 3 is opened for a preset limited time T2And then, the water outlet valve 3 is automatically closed, so that the water can be continuously supplied once by induction, and the water is automatically closed when the longest continuous water supply time is set, so that the water is prevented from being turned on by mistake or forgotten to be closed, and the water resource waste is avoided.
In this embodiment, in the step c, when the outlet valve 3 is opened for a preset limited time T1And then, the water outlet valve 3 is automatically closed, so that the phenomenon that a barrier is mistakenly placed in front of the sensor to enable water to be normally opened is avoided, and water resource waste is caused.
In this example, T1And T2The value can be properly adjusted according to the use scene, such as T on a water heater1And T2Is 30min, shower T1And T2Is 20min, and the kitchen induction tap T1And T2The value of (2) is 10 min.
In this embodiment, when step c is executed, step d is disabled, and after step c is finished, the signal detection circuit 1 enters a sleep mode, so that program control is more stable.
In this embodiment, when step d is executed, step c is disabled, and after step d is finished, the signal detection circuit 1 enters a sleep mode, so that program control is more stable.
In this embodiment, the signal detection circuit 1 includes an infrared signal detection circuit 1, an ultrasonic circuit or a magnetic field signal detection circuit 1, and the power supply 4 is further connected with an anti-reverse connection circuit 5.
The specific working process of this embodiment is as follows:
the power supply 4 supplies power to the whole circuit system through a hardware anti-reverse connection circuit 5 (a diode, a triode, a field effect tube or other transistors with a unidirectional conduction function);
after the hardware is powered on, the control circuit 2 (microprocessor) is initialized firstly;
the control circuit 2 turns on the signal detection circuit 1 to wait for receiving a signal;
the control circuit 2 drives the signal detection circuit 1 to send out a single pulse with fixed width;
if the signal detection circuit 1 receives the signal, the signal control circuit 2 closes the signal detection circuit 1, and the signal reception is finished; if the signal detection circuit 1 receives the signal, the signal processing is started, otherwise, the sleep mode is started; waiting for the watchdog or the timer to wake up the control circuit 2 to enter the next period;
when receiving signal, the program judges according to the time length of received signal, when the time length t of received signal2When the preset time t is not reached, the signal is ended, the program judges to enter a first mode, the state of the water outlet valve 3 is judged according to the set flag bit, if the water outlet valve 3 enters for the first time, the water outlet valve 3 is opened, if the water outlet valve enters for the second time, the water outlet valve 3 is closed, counting and zero clearing are carried out, and the program enters a sleep mode;
when receiving signal time length t1When the preset time t is reached, judging to enter a second mode, and opening the water outlet valve 3; when the signal is over, closing the water outlet valve 3, clearing the counting variable, and making the program enter the dormancy state;
an interlocking procedure is arranged between the first mode and the second mode, namely when the first mode is entered, the second mode fails (namely the water outlet valve 3 is opened from the first mode, and the water outlet valve 3 opened from the first mode cannot be closed in the second mode), until the water outlet valve 3 is closed from the first mode and is recovered to the initial state;
the scheme can realize the functions of sensing boiling water and stopping water when the water leaves the water by arranging the signal detection circuit, can realize the function of sensing water and continuously supplying water at one time, is suitable for public occasions and household, enriches the product use and greatly saves the product cost.
The term "equal to or greater than or equal to" in the present invention is intended to mean continuity of calculation, and may be in a range greater than or equal to or less than.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A method for controlling water outflow from a sanitary ware, comprising:
a water outlet body having a water discharge passage;
the water outlet valve is used for controlling the on-off of the drainage channel;
the water outlet valve is characterized by further comprising a signal detection circuit, a control circuit and a power supply, wherein the signal detection circuit is used for detecting an induction signal, the control circuit controls the opening and closing of the water outlet valve according to the detection result of the signal detection circuit, and the power supply supplies power to the signal detection circuit, the control circuit and the water outlet valve;
further comprising the steps of:
a. the signal detection circuit detects the induction signal;
b. presetting time t, if the time t of continuously receiving the induction signal1If t is more than or equal to t, executing the step c;
if t of the induction signal is continuously received2If t, executing the stepd；
c. The water outlet valve is opened, and when the induction signal stops, the water outlet valve is closed;
d. the water outlet valve is opened, and when the sensing signal stops, the water outlet valve is still opened.
2. The method of claim 1, further comprising a wake-up circuit, prior to step a, comprising a step a';
a', the signal detection circuit is in a dormant state in an initial state, the signal detection circuit is awakened through the awakening circuit, the step b is executed when the signal detection circuit receives an induction signal, and the signal detection circuit enters the dormant state when the signal detection circuit does not receive the induction signal.
3. The method of claim 1, wherein the wake-up circuit uses a timer or a watchdog.
4. The method as claimed in claim 1, wherein the signal detection circuit emits a periodic single pulse signal.
5. The method as claimed in claim 1, wherein in step d, when the signal detection circuit receives the sensing signal again, the outlet valve is closed.
6. The method as claimed in claim 1, wherein in step d, when the outlet valve is opened for a predetermined limited time T2And then, the water outlet valve is automatically closed.
7. The method as claimed in claim 1, wherein in the step c, when the outlet valve is opened for a predetermined limited time T1And then, the water outlet valve is automatically closed.
8. The method as claimed in claim 1, wherein step d is disabled when step c is executed, and the signal detection circuit enters a sleep mode after step c is completed.
9. The method as claimed in claim 1, wherein step d is executed when step c is disabled and the signal detection circuit enters a sleep mode after step d is completed.
10. The method of claim 1, wherein the signal detection circuit comprises an infrared signal detection circuit, an ultrasonic circuit or a magnetic field signal detection circuit, and the power supply is further connected with an anti-reverse connection circuit.
11. The method of claim 1, wherein the outlet body is a faucet, a shower head, or a spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835049.4A CN112127429A (en) | 2020-08-19 | 2020-08-19 | Water outlet control method for sanitary ware |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835049.4A CN112127429A (en) | 2020-08-19 | 2020-08-19 | Water outlet control method for sanitary ware |
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| CN112127429A true CN112127429A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010835049.4A Pending CN112127429A (en) | 2020-08-19 | 2020-08-19 | Water outlet control method for sanitary ware |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464703A (en) * | 2021-07-16 | 2021-10-01 | 厦门华尔达智能科技股份有限公司 | Control method of induction faucet |
| CN114687414A (en) * | 2022-04-02 | 2022-07-01 | 开平市博美卫浴有限公司 | Induction faucet and control method |
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| CN201043631Y (en) * | 2007-06-06 | 2008-04-02 | 黄于阗 | Double-control automatic induction water tap |
| CN201875211U (en) * | 2010-12-07 | 2011-06-22 | 洁利来（福建）感应设备有限公司 | Full-automatic dual induction temperature adjusting faucet |
| JP2012007376A (en) * | 2010-06-24 | 2012-01-12 | Lixil Corp | Automatic faucet device |
| CN206036354U (en) * | 2016-08-22 | 2017-03-22 | 开平市玛格纳卫浴有限公司 | Induction type intelligence water supply equipment |
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| JP2004360186A (en) * | 2003-05-30 | 2004-12-24 | Inax Corp | Automatic faucet |
| CN1786535A (en) * | 2005-07-05 | 2006-06-14 | 陈华勇 | Single induced window multi-purpose full automatic induced tap with multiple water supply modes |
| CN201043631Y (en) * | 2007-06-06 | 2008-04-02 | 黄于阗 | Double-control automatic induction water tap |
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| CN201875211U (en) * | 2010-12-07 | 2011-06-22 | 洁利来（福建）感应设备有限公司 | Full-automatic dual induction temperature adjusting faucet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464703A (en) * | 2021-07-16 | 2021-10-01 | 厦门华尔达智能科技股份有限公司 | Control method of induction faucet |
| CN113464703B (en) * | 2021-07-16 | 2024-01-30 | 厦门华尔达智能科技股份有限公司 | Control method of induction tap |
| CN114687414A (en) * | 2022-04-02 | 2022-07-01 | 开平市博美卫浴有限公司 | Induction faucet and control method |
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Application publication date: 20201225 |