CN112250135A - Ultraviolet lamp, household appliance control method and device, household appliance and storage medium - Google Patents
Ultraviolet lamp, household appliance control method and device, household appliance and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 367
- 238000001514 detection method Methods 0.000 claims description 21
- 230000000249 desinfective effect Effects 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 13
- 230000001954 sterilising effect Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3223—Single elongated lamp located on the central axis of a turbular reactor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3225—Lamps immersed in an open channel, containing the liquid to be treated
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/326—Lamp control systems
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a control method and a control device for an ultraviolet lamp and a household appliance, the household appliance and a storage medium, wherein the control method comprises the following steps: detecting a first water flow signal in a state that the ultraviolet lamp is turned off, wherein the first water flow signal is a water flow signal representing that the water flow flowing out of the water pipeline is larger than a first flow threshold value; when the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp; detecting a second water flow signal in a state that the ultraviolet lamp is started, wherein the second water flow signal is a water flow signal representing that the water flow flowing out of the water pipeline is smaller than a second flow threshold value; and when the duration time of the second water flow signal is greater than or equal to a second time threshold value, the ultraviolet lamp is turned off. The invention can slow down the attenuation of the ultraviolet lamp and can be widely applied to the technical field of disinfection.
Description
Technical Field
The invention relates to the technical field of disinfection, in particular to a control method and a control device for an ultraviolet lamp and a household appliance, the household appliance and a storage medium.
Background
Ultraviolet rays have strong sterilization effect, and the ultraviolet rays with proper wavelength can destroy the nucleic acid molecular structure in the cells of the microorganism body, so that the nucleic acid molecular structure cannot be regenerated and loses the self-replication capacity, thereby achieving the sterilization purpose, and therefore, the ultraviolet lamp sterilization technology is widely applied. The ultraviolet lamp needs to be coated with electronic powder on the electrode in the production process, the electrode needs higher voltage to excite the electronic powder at the electrode when the ultraviolet lamp is started every time, electronic elements in the electronic powder are excited to light the ultraviolet lamp after the electronic powder is radiated, the consumption of the electronic powder is higher when the ultraviolet lamp is at high voltage, and therefore, the service life attenuation of the ultraviolet lamp tube can be accelerated when the ultraviolet lamp is frequently started.
At present, the common starting modes of the ultraviolet lamp on the market comprise the following two modes: 1. the normally-on type is for example a 24-hour lighting, or the power is designed into two types, for example, a larger power is adopted when a signal exists, and the signal is converted into a small power to be normally-on after no signal exists; 2. the switch is in an on-use mode, and is turned on when a signal exists and turned off when no signal exists. The normally-on type causes a rapid deterioration of the life of the ultraviolet lamp, that is, the on-use type causes a rapid deterioration of the life of the ultraviolet lamp and is liable to cause a malfunction if operated several times in a short time.
Disclosure of Invention
The present invention is directed to solving at least one of the problems in the prior art. Therefore, the invention provides an ultraviolet lamp, a household appliance control method and device, a household appliance and a storage medium, which can slow down the attenuation of the ultraviolet lamp.
A control method of an ultraviolet lamp for sterilizing water in a water passage pipe according to an embodiment of a first aspect of the present invention includes the steps of:
detecting a first water flow signal when the ultraviolet lamp is in a closed state, wherein the first water flow signal is a water flow signal indicating that the water flow flowing out of the water pipeline is greater than a first flow threshold value; when the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp;
detecting a second water flow signal in a state that the ultraviolet lamp is started, wherein the second water flow signal is a water flow signal indicating that the water flow flowing out of the water pipeline is smaller than a second flow threshold value; and when the duration time of the second water flow signal is greater than or equal to a second time threshold value, the ultraviolet lamp is turned off.
The control method of the ultraviolet lamp provided by the embodiment of the invention has at least the following beneficial effects: when the ultraviolet lamp is in a closed state, detecting a first water flow signal larger than a first flow threshold value and the duration of the first water flow signal is larger than or equal to a first time threshold value, starting the ultraviolet lamp, so that the ultraviolet lamp cannot be started by mistake when the water flow flowing out of the water pipeline is smaller than the first flow threshold value or the duration of the first water flow signal is smaller than the first time threshold value, the times of mistakenly starting the ultraviolet lamp are reduced, and the attenuation of the ultraviolet lamp is reduced; under the state that the ultraviolet lamp is turned on, a second water flow signal smaller than a second flow threshold value is detected, the duration time of the second water flow signal is larger than or equal to a second time threshold value, the ultraviolet lamp is turned off, short-time restart of the ultraviolet lamp after mistaken turning-off can not be caused by the short-time second water flow signal smaller than the second time threshold value, the number of times that the ultraviolet lamp needs to be restarted due to mistaken turning-off is reduced, and therefore the attenuation of the ultraviolet lamp is slowed down.
According to some embodiments of the invention, the duration of the first water flow signal is detected by:
detecting the starting time and the current time of the first water flow signal;
determining the duration according to the starting time and the current time;
wherein the detection of the first water flow signal is performed in real time.
The embodiment of the invention detects the first water flow signal in real time and dynamically updates the current time and the duration time of the first water flow signal in real time, thereby ensuring the determined duration time to be accurate and reducing errors caused by the updating time.
According to some embodiments of the invention, the duration of the first water flow signal is detected at intervals according to a preset time length.
According to the embodiment of the invention, the first water flow signal is detected according to the preset time interval, so that the operation is simple and the realization is easy.
According to some embodiments of the invention, the control method further comprises the steps of:
acquiring the working state of the ultraviolet lamp, wherein the working state of the ultraviolet lamp comprises a third state and a fourth state, the third state is used for representing that the ultraviolet lamp works abnormally, and the fourth state is used for representing that the ultraviolet lamp works normally;
and when the working state of the ultraviolet lamp is a third state, performing fault alarm.
According to the embodiment of the invention, when the ultraviolet lamp is damaged or other failure problems occur, a user can be reminded of overhauling or replacing the ultraviolet lamp in time.
According to a second aspect of the present invention, there is provided a control method for a household appliance, the household appliance comprising a household appliance body and an ultraviolet lamp for sterilizing water in a water passage, the control method comprising controlling the ultraviolet lamp by the control method for the ultraviolet lamp according to the first aspect. The household appliance body refers to a common household appliance without a disinfection function, such as a water heater without a disinfection function.
The control method of the household appliance, provided by the embodiment of the invention, has at least the following beneficial effects: when the ultraviolet lamp is in a closed state, detecting a first water flow signal larger than a first flow threshold value and the duration of the first water flow signal is larger than or equal to a first time threshold value, starting the ultraviolet lamp, so that the ultraviolet lamp cannot be started by mistake when the water flow flowing out of the water pipeline is smaller than the first flow threshold value or the duration of the first water flow signal is smaller than the first time threshold value, the times of mistakenly starting the ultraviolet lamp are reduced, and the attenuation of the ultraviolet lamp is reduced; under the state that the ultraviolet lamp is turned on, a second water flow signal smaller than a second flow threshold value is detected, the duration time of the second water flow signal is larger than or equal to a second time threshold value, the ultraviolet lamp is turned off, short-time restart of the ultraviolet lamp after mistaken turning-off can not be caused by the short-time second water flow signal smaller than the second time threshold value, the number of times that the ultraviolet lamp needs to be restarted due to mistaken turning-off is reduced, and therefore the attenuation of the ultraviolet lamp is slowed down.
According to some embodiments of the invention, the control method further comprises the steps of:
and when the duration time of the first water flow signal is greater than a third time threshold, starting the household appliance body, wherein the third time threshold is less than the first time threshold.
According to the embodiment of the invention, the household appliance body is started by delaying the third time threshold, so that the phenomenon that the household appliance body is started by mistake due to the fact that the first water flow signal smaller than the third time threshold is detected is prevented, and the service life of the household appliance is prolonged.
According to some embodiments of the invention, the control method further comprises the steps of:
the working state of the household appliance body is obtained, the working state of the household appliance body comprises a first state and a second state, the first state is used for representing that the household appliance body works normally, and the second state is used for representing that the household appliance body works abnormally;
when the working state of the household appliance body is a first state and the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp;
and when the working state of the household appliance body is the second state, performing fault alarm and keeping the closing state of the ultraviolet lamp.
According to the embodiment of the invention, the ultraviolet lamp is turned on under the condition that the household appliance body works normally, and the ultraviolet lamp is prevented from being turned on when the household appliance works abnormally, so that the service life of the ultraviolet lamp is prolonged.
A control apparatus according to an embodiment of a third aspect of the present invention includes:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the control method of the first aspect and the second aspect.
The control device according to the embodiment of the invention has at least the following beneficial effects: when the ultraviolet lamp is in a closed state, detecting a first water flow signal larger than a first flow threshold value and the duration of the first water flow signal is larger than or equal to a first time threshold value, starting the ultraviolet lamp, so that the ultraviolet lamp cannot be started by mistake when the water flow flowing out of the water pipeline is smaller than the first flow threshold value or the duration of the first water flow signal is smaller than the first time threshold value, the times of mistakenly starting the ultraviolet lamp are reduced, and the attenuation of the ultraviolet lamp is reduced; under the state that the ultraviolet lamp is turned on, a second water flow signal smaller than a second flow threshold value is detected, the duration time of the second water flow signal is larger than or equal to a second time threshold value, the ultraviolet lamp is turned off, short-time restart of the ultraviolet lamp after mistaken turning-off can not be caused by the short-time second water flow signal smaller than the second time threshold value, the number of times that the ultraviolet lamp needs to be restarted due to mistaken turning-off is reduced, and therefore the attenuation of the ultraviolet lamp is slowed down.
A household appliance according to a fourth aspect of the present invention comprises an ultraviolet lamp for disinfecting water in a water conduit, and the control device of the third aspect of the present invention.
The household appliance provided by the embodiment of the invention at least has the following beneficial effects: when the ultraviolet lamp is in a closed state, detecting a first water flow signal larger than a first flow threshold value and the duration of the first water flow signal is larger than or equal to a first time threshold value, starting the ultraviolet lamp, so that the ultraviolet lamp cannot be started by mistake when the water flow flowing out of the water pipeline is smaller than the first flow threshold value or the duration of the first water flow signal is smaller than the first time threshold value, the times of mistakenly starting the ultraviolet lamp are reduced, and the attenuation of the ultraviolet lamp is reduced; under the state that the ultraviolet lamp is turned on, a second water flow signal smaller than a second flow threshold value is detected, the duration time of the second water flow signal is larger than or equal to a second time threshold value, the ultraviolet lamp is turned off, short-time restart of the ultraviolet lamp after mistaken turning-off can not be caused by the short-time second water flow signal smaller than the second time threshold value, the number of times that the ultraviolet lamp needs to be restarted due to mistaken turning-off is reduced, and therefore the attenuation of the ultraviolet lamp is slowed down.
A computer-readable storage medium according to an embodiment of the fifth aspect of the present invention, on which a processor-executable program is stored, the processor-executable program, when being executed by a processor, being for implementing the control method of the first and second aspects.
The computer-readable storage medium according to the embodiment of the invention has at least the following advantages: when the ultraviolet lamp is in a closed state, detecting a first water flow signal larger than a first flow threshold value and the duration of the first water flow signal is larger than or equal to a first time threshold value, starting the ultraviolet lamp, so that the ultraviolet lamp cannot be started by mistake when the water flow flowing out of the water pipeline is smaller than the first flow threshold value or the duration of the first water flow signal is smaller than the first time threshold value, the times of mistakenly starting the ultraviolet lamp are reduced, and the attenuation of the ultraviolet lamp is reduced; under the state that the ultraviolet lamp is turned on, a second water flow signal smaller than a second flow threshold value is detected, the duration time of the second water flow signal is larger than or equal to a second time threshold value, the ultraviolet lamp is turned off, short-time restart of the ultraviolet lamp after mistaken turning-off can not be caused by the short-time second water flow signal smaller than the second time threshold value, the number of times that the ultraviolet lamp needs to be restarted due to mistaken turning-off is reduced, and therefore the attenuation of the ultraviolet lamp is slowed down.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic view showing the construction of an ultraviolet lamp assembly for sterilizing water in a water passage pipe according to the present embodiment;
FIG. 2 is a flow chart of an embodiment of a method of controlling an ultraviolet lamp according to the present invention;
FIG. 3 is a flowchart of one implementation of the method of controlling an ultraviolet lamp according to the present invention to obtain a duration of the first water flow signal from the ultraviolet lamp;
FIG. 4 is a flow chart illustrating another exemplary implementation of the method of controlling an ultraviolet lamp according to the present invention for obtaining a duration of the first water flow signal from the ultraviolet lamp;
FIG. 5 is a flow chart of one implementation step of a malfunction alarm in an embodiment of a method of controlling an ultraviolet lamp of the present invention;
FIG. 6 is a flowchart of an exemplary application of an embodiment of a method of controlling an ultraviolet lamp according to the present invention;
fig. 7 is a flowchart illustrating a method for controlling a home appliance according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating an exemplary step of activating the ultraviolet lamp in the embodiment of the control method of the home appliance according to the present invention;
fig. 9 is a flowchart of a specific application example of an embodiment of a method for controlling an appliance according to the present invention;
fig. 10 is a schematic structural diagram of an embodiment of the control device of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, and the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood to exclude the essential numbers. If there is a description to first, second, third etc. for the purpose of distinguishing between technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated or to implicitly indicate the precedence of technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
First, the structure of the ultraviolet lamp unit for disinfecting water in the water passage according to the present embodiment will be described. As shown in fig. 1, the assembly comprises a filter screen 1, an upper shell 2, ultraviolet-resistant silica gel 3, an ultraviolet lamp 4, a reflection sleeve 5, a light transmission pipe 6 and a lower shell 7, wherein the ultraviolet lamp 4 is wrapped by the light transmission pipe 6, the light transmission pipe 6 and the reflection sleeve 5 form a water passage, the device enters water from a water inlet at the lower shell 7 and exits water from a water outlet at the upper shell 2, the arrow direction in the figure indicates the water flow direction, when water in the water passage flows through the outer surface of the light transmission pipe 6 to be disinfected, a gap in the water passage is sealed by the ultraviolet-resistant silica gel 3 to prevent the silica gel from being aged by ultraviolet irradiation for a long time to generate a water leakage phenomenon, and the filter screen 1 filters the water flowing out of the. The water in the water pipeline is disinfected by the ultraviolet lamp 4, and simultaneously, the ultraviolet lamp 4 is cooled, so that the ultraviolet lamp 4 is ensured to be always in a favorable working environment, and the phenomenon that the service life of the ultraviolet lamp 4 is attenuated due to overhigh or overlow ambient temperature is avoided.
The above-described ultraviolet lamp assembly for sterilizing water in a water passage can be applied to various household sterilizing appliances: such as a toilet sterilizer, for sterilizing water in a hand washing faucet; also, the water heater or the wall-mounted boiler is used for sterilizing water passing through the gas water heater or the wall-mounted boiler.
Various embodiments of the control method scheme of the present application are proposed based on the above-described uv lamp assembly for disinfecting water in a water conduit in fig. 1.
Referring to fig. 2, fig. 2 is a flowchart illustrating an embodiment of a method for controlling an ultraviolet lamp according to the present disclosure. The method is used for controlling the ultraviolet lamp to disinfect water in the water pipeline, and comprises the following steps:
s100, detecting a first water flow signal in a state that the ultraviolet lamp is turned off, wherein the first water flow signal is a water flow signal representing that the water flow flowing out of the water pipeline is larger than a first flow threshold value; when the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp;
s101, detecting a second water flow signal in a state that the ultraviolet lamp is started, wherein the second water flow signal is a water flow signal representing that the water flow flowing out of the water pipeline is smaller than a second flow threshold value; and when the duration time of the second water flow signal is greater than or equal to a second time threshold value, the ultraviolet lamp is turned off.
In the embodiment of the invention, the first flow threshold value can be understood as the starting water flow of the water utilization switch, and the second flow threshold value can be understood as the closing water flow of the water utilization switch. The first time threshold and the second time threshold may be set according to specific practical applications, and for reference, the first time threshold may be set to a second level, such as 5 seconds, 10 seconds, 20 seconds, etc., and the second time threshold may be set to a minute level, such as 1 minute, 2 minutes, 3 minutes, etc.
Considering that the service life of the ultraviolet lamp is attenuated due to the fact that the ultraviolet lamp is started by mistake when the ultraviolet lamp is in a closed state and the starting flow is not reached or the water switch is started for a short time, the embodiment prevents the ultraviolet lamp from being started by mistake when the starting flow of the water switch is not reached by detecting the first water flow signal, such as a water hammer phenomenon caused by the fact that the water switch is not closed tightly; by further limiting the duration of the first water flow signal, the first water flow signal reaching the water using switch starting water flow rate and not reaching the first time threshold in duration is prevented from causing the ultraviolet lamp to be started by mistake, and if the water using switch is opened carelessly, the water using switch is closed quickly. Considering that the service life of the ultraviolet lamp is reduced due to the fact that the water switch is turned off and turned on again in a short time when the ultraviolet lamp is turned on, for example, water is used in a queue by a plurality of people, the water switch is turned off after the last user runs out, and the water switch is turned on again by the next user in a short time; or the user opens the water switch to wash hands, and temporarily closes the water switch to wipe the hand sanitizer or soap in midway.
In some embodiments, the first water flow signal or the second water flow signal may be detected by a water flow sensor; when the output signal of the water flow sensor is greater than a first preset value, the first water flow signal is detected, and the first preset value is the first output signal of the water flow sensor corresponding to the first water flow signal; and when the output signal of the water flow sensor is smaller than a second preset value, the second water flow signal is detected, and the second preset value is a second output signal of the water flow sensor corresponding to the second water flow signal. The output signal of the water flow sensor includes a pulse signal, a current signal, a voltage signal, or the like.
In some embodiments, the duration of the first water flow signal may be determined by the difference in time between two valid detections. The effective detection means that the first water flow signal can be detected, the moment of the first effective detection is the starting moment of the first water flow signal, the moment of the second effective detection is the moment of the last detection of the first water flow signal, and the time difference value between the second effective detection and the first effective detection is the duration time of the first water flow signal. A similar method may be used for determining the duration of the second water flow signal.
As can be seen from the above, in the state where the ultraviolet lamp is turned off, if the first water flow signal greater than the first flow threshold is detected and the duration of the first water flow signal is greater than or equal to the first time threshold, the ultraviolet lamp is turned on, so that the ultraviolet lamp is not turned on by mistake when the water flow flowing out of the water passage is less than the first flow threshold or the duration of the first water flow signal is less than the first time threshold, and the number of times of turning on the ultraviolet lamp by mistake is reduced, thereby slowing down the attenuation of the ultraviolet lamp; under the state that the ultraviolet lamp is turned on, a second water flow signal smaller than a second flow threshold value is detected, the duration time of the second water flow signal is larger than or equal to a second time threshold value, the ultraviolet lamp is turned off, short-time restart of the ultraviolet lamp after mistaken turning-off can not be caused by the short-time second water flow signal smaller than the second time threshold value, the number of times that the ultraviolet lamp needs to be restarted due to mistaken turning-off is reduced, and therefore the attenuation of the ultraviolet lamp is slowed down.
Referring to fig. 3, in some embodiments, the duration of the first water flow signal includes, but is not limited to, detection by:
S1001A, detecting the starting time and the current time of the first water flow signal;
S1002A, determining the duration according to the starting time and the current time;
wherein the detection of the first water flow signal is performed in real time.
In this embodiment, the first water flow signal is continuously detected in real time, and when the time when the first water flow signal is detected for the first time is the start time, the current time is continuously changed and updated in real time, for example, the start time is 0 second, and the current time is changed from 0 second, 1 second, 2 seconds, 3 seconds, and the like in sequence.
The duration of the second water flow signal may be determined in a similar manner to steps S1001A-S1002A.
The embodiment of the invention continuously retrieves the first water flow signal and dynamically updates the current moment and the duration of the first water flow signal in real time, thereby ensuring the determined duration to be accurate and reducing errors caused by the updating time.
Referring to fig. 4, in some embodiments, the duration of the first water flow signal is detected by interval detection of the first water flow signal according to a preset time duration, including but not limited to the following steps:
S1001B, detecting the starting time of the first water flow signal;
S1002B, detecting the first water flow signal according to preset duration to obtain a second moment of the first water flow signal;
and S1003B, obtaining the duration of the first water flow signal according to the starting time and the second time.
Before the first water flow signal is detected, the starting moment of the first water flow signal can be detected through continuous detection or interval detection, after the first water flow signal is detected, the first water flow signal is detected according to a preset time interval, and the duration of the first water flow signal is the difference value between the second moment and the starting moment of the first water flow signal. If the starting moment of the first water flow signal is detected to be 0 second and the preset time is 2 seconds, detecting the first water flow signal every 2 seconds, and detecting the first water flow signal every 2 seconds; when the first water flow signal can be detected in the 4 th second, the second moment of the first water flow signal is the 4 th second, and the duration of the first water flow signal is 4 seconds; when the first water flow signal is not detected in the 4 th second, the second time of the first water flow signal is the 2 nd second, and the duration of the first water flow signal is 2 seconds.
The duration of the second water flow signal may be determined in a similar manner to steps S1001B-S1003B.
The embodiment of the invention detects the first water flow signal according to the preset duration, and has the advantages of simple operation and easy realization.
Referring to fig. 5, in some embodiments, the control method further includes, but is not limited to, the steps of:
S000A, obtaining the working state of the ultraviolet lamp, wherein the working state of the ultraviolet lamp comprises a third state and a fourth state, the third state is used for representing that the ultraviolet lamp works abnormally, and the fourth state is used for representing that the ultraviolet lamp works normally;
and S001A, when the working state of the ultraviolet lamp is the third state, performing fault alarm.
The working state of the ultraviolet lamp is obtained before the ultraviolet lamp is turned on, so that the water in the disinfection pipeline can be disinfected by turning on the ultraviolet lamp under the condition of no alarm; when the alarm condition appears, the alarm device can be used for reminding the user of replacing the ultraviolet lamp in time.
According to the embodiment of the invention, when the ultraviolet lamp is damaged or other failure problems occur, a user can be reminded of overhauling or replacing the ultraviolet lamp in time.
Taking an ultraviolet lamp applied in a scene for a sterilizer as an example, fig. 6 is a flowchart of a specific application example of the control method for the sterilizer according to the embodiment of the present invention, and the specific implementation of the specific application example is as follows:
in this embodiment, the first time threshold is set to 5S, the second time threshold is set to 3min, the first flow threshold is set to sterilizer start-up water flow, and the second flow threshold is set to sterilizer shut-down water flow.
The starting process of the ultraviolet lamp is as follows:
after the sterilizer is started, the ultraviolet lamp is in a standby state, and whether the duration time of a water flow signal of which the water switch is larger than the starting water flow of the sterilizer is more than or equal to 5S or not is continuously detected;
when the duration time is more than or equal to 5S, the ultraviolet lamp is turned on; when the duration is less than 5S, restarting to detect the duration of the water flow signal of which the next water use switch is greater than the starting water flow of the sterilizer;
detecting whether the ultraviolet lamp normally works or not after the ultraviolet lamp is started, and alarming by the sterilizer when the ultraviolet lamp abnormally works; and when the ultraviolet lamp works normally, the ultraviolet lamp is continuously started.
The turning off process of the ultraviolet lamp is as follows:
continuously detecting whether the duration time of a water flow signal of which the water switch is larger than the starting water flow of the sterilizer is longer than or equal to 3min or not when the ultraviolet lamp is in a normal working state;
when the duration time is more than or equal to 3min, turning off the ultraviolet lamp; and when the duration is less than 3min, restarting to detect the duration of the water flow signal that the next water switch is less than the starting water flow of the sterilizer.
In the embodiment, after the sterilizer is started, whether the water using switch reaches the starting water flow is detected, so that the condition that the water using switch is not closed tightly and the water hammer phenomenon and the like have little water flow to cause the false starting of the ultraviolet lamp is prevented; after the sterilizer normally works, the ultraviolet lamp is turned off after 5 seconds of delay, so that the water heater is prevented from being started by mistake due to the operation of turning on the water switch for a short time, such as turning on the water switch carelessly and turning off emergently by a user; after the sterilizer stops working, the ultraviolet lamp is turned off after delaying for 3min, so that the phenomenon that a user can use the hand sanitizer by turning off the water switch midway is avoided, and the ultraviolet lamp is turned on after being stopped in a short time; the service life of the ultraviolet lamp is prolonged by reducing the starting and stopping times of the ultraviolet lamp.
The embodiment of the invention also provides a flow chart of a control method of the household appliance, the household appliance comprises a household appliance body and an ultraviolet lamp, the ultraviolet lamp is used for disinfecting water in a water pipeline, and the ultraviolet lamp of the household appliance is controlled by the control method shown in any one of figures 2 to 5. The household electrical appliance refers to equipment with certain functions and ultraviolet lamp disinfection, for example, an electric water heater with ultraviolet disinfection.
In some embodiments, referring to fig. 7, the control method of the home appliance includes, but is not limited to, the following steps:
s200, detecting a first water flow signal in a state that the ultraviolet lamp is turned off, wherein the first water flow signal is a water flow signal representing that the water flow flowing out of the water pipeline is larger than a first flow threshold value; when the duration time of the first water flow signal is greater than a third time threshold, starting the household appliance body; when the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp; wherein the third time threshold is less than the first time threshold;
s201, detecting a second water flow signal in a state that the ultraviolet lamp is started, wherein the second water flow signal is a water flow signal representing that the water flow flowing out of the water pipeline is smaller than a second flow threshold value; and when the duration time of the second water flow signal is greater than or equal to a second time threshold, turning off the ultraviolet lamp and controlling the household appliance to enter a standby state.
Before the ultraviolet lamp is started, the household appliance body is started, and when the third time threshold is set to be zero, the household appliance body is started when the first water flow signal is detected; and when the third time threshold is set to be larger than zero, the fact that the household appliance body is started after the third time threshold is delayed after the first water flow signal is detected is indicated.
In some embodiments, the first water flow signal or the second water flow signal may be detected by a water flow sensor; when the detected output signal of the water flow sensor is greater than a first preset value, the first water flow signal is detected, and the first preset value is the first output signal of the water flow sensor corresponding to the first water flow signal; when the detected output signal of the water flow sensor is smaller than a second preset value or no signal is output, and no signal output indicates that no water flow exists, namely the water switch is completely closed, the second water flow signal is detected, and the second preset value is a second output signal of the water flow sensor corresponding to the second water flow signal. The output signal of the water flow sensor includes a pulse signal, a current signal, a voltage signal, or the like.
In some embodiments, the duration of the first water flow signal is determined by the difference in time of two valid detections. The effective detection means that the first water flow signal can be detected, the moment of the first effective detection is the starting moment of the first water flow signal, the moment of the second effective detection is the moment of the first water flow signal detected at the latest time, and the time difference value between the second effective detection and the first effective detection is the duration time of the first water flow signal. The duration of the second water flow signal may be determined in a similar manner as described above.
According to the above, the household appliance body is started by delaying the third time threshold, so that the household appliance is prevented from being started by mistake due to the fact that water which is smaller than the third time threshold is started by mistake, the mistaken starting of the subsequent ultraviolet lamp is reduced, and the method is simple and obvious in effect. When the household appliance body is started, in the state that the ultraviolet lamp is closed, a first water flow signal larger than a first flow threshold value is detected, and the duration time of the first water flow signal is larger than or equal to a first time threshold value, the ultraviolet lamp is started, so that the ultraviolet lamp cannot be started by mistake when the water flow of the water pipeline flowing out of the ultraviolet lamp is smaller than the first flow threshold value or the duration time of the first water flow signal is smaller than the first time threshold value, the times of mistakenly starting the ultraviolet lamp are reduced, and the attenuation of the ultraviolet lamp is reduced; under the state that the ultraviolet lamp is turned on, a second water flow signal smaller than a second flow threshold value is detected, the duration time of the second water flow signal is larger than or equal to a second time threshold value, the ultraviolet lamp is turned off, short-time restart of the ultraviolet lamp after mistaken turning-off can not be caused by the short-time second water flow signal smaller than the second time threshold value, the number of times that the ultraviolet lamp needs to be restarted due to mistaken turning-off is reduced, and therefore the attenuation of the ultraviolet lamp is slowed down.
Referring to fig. 8, in some embodiments, the control method includes, but is not limited to, the steps of:
S000B, acquiring the working state of the household appliance body, wherein the working state of the household appliance body comprises a first state and a second state, the first state is used for representing that the household appliance body works normally, and the second state is used for representing that the household appliance body works abnormally;
S001B, when the working state of the household appliance body is a first state and the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp;
and S002B, when the working state of the household appliance body is the second state, performing fault alarm and keeping the closing state of the ultraviolet lamp.
According to the embodiment of the invention, the ultraviolet lamp is turned on under the condition that the household appliance body works normally, and the ultraviolet lamp is prevented from being turned on when the household appliance works abnormally, so that the service life of the ultraviolet lamp is prolonged.
Taking a household appliance as an example, the water heater has an ultraviolet lamp disinfection function, a control method for realizing any one of fig. 2 to 5 and fig. 7 to 8 is installed in the water heater, fig. 9 is a flow chart of a specific application example for the water heater in the embodiment of the invention, and the specific implementation steps of the specific application example are as follows:
in this embodiment, the first time threshold is set to 5S, the second time threshold is set to 3min, the third time threshold is set to 0.5S, the first flow threshold is set to the water heater starting water flow, and the second flow threshold is set to the water heater closing water flow.
The starting process of the ultraviolet lamp is as follows:
when the water heater with the ultraviolet lamp sterilization function is in a standby state, detecting a water flow signal of the water heater;
when a water flow signal is detected, detecting whether the water yield lasting for 0.5S is greater than the starting water flow of the water heater;
when the water flow signal larger than the starting water flow of the water heater does not exceed 0.5S, continuously restarting to detect the water flow signal larger than the starting water flow of the water heater next time; when the water flow signal larger than the starting water flow of the water heater exceeds 0.5S, determining that a water using switch is started, and performing self-checking on the water heater;
when the water heater is unqualified in self-checking, performing fault alarm on the water heater; when the water heater is qualified by self-inspection, the water heater starts to work normally;
after the water heater works normally, detecting the working time of the water heater;
when the working time of the water heater does not exceed 5S, restarting to detect the normal working time of the water heater when the water heater works normally next time; when the working time of the water heater exceeds 5S, starting the ultraviolet lamp and detecting whether the ultraviolet lamp works normally;
and when the ultraviolet lamp is detected to work abnormally, performing fault alarm on the water heater, and when the ultraviolet lamp is detected to work normally, indicating that the water heater and the ultraviolet lamp both work normally.
The turning off process of the ultraviolet lamp is as follows:
detecting whether the water yield is less than the water flow of the water heater under the condition that the water heater and the ultraviolet lamp work normally;
when the water yield is greater than the water flow of the water heater, the water heater and the ultraviolet lamp work normally; when the water yield is less than the water flow of the water heater, indicating that the water using switch is closed, stopping the water heater, continuously lighting the ultraviolet lamp, detecting the closing time of the water using switch, and determining whether the stopping time of the water heater is more than or equal to 3 min;
when the stop working time of the water heater is less than 3min, the detection of the water utilization switch closing working time is restarted when the water heater stops working next time, and when the stop working time of the water heater is more than or equal to 3min, the ultraviolet lamp is controlled to be turned off, and the water heater enters a standby state.
In the use process of the water heater, whether the water using switch reaches the starting water flow is detected, and the water heater is prevented from being started by mistake due to the fact that a user washes hands and the like and uses less water; after the water heater works normally, the ultraviolet lamp is turned off after delaying 5S, so that the water heater is prevented from being started by mistake due to the fact that a user washes a closestool and the like and turns on a water using switch for a short time; after the water heater stops working, delaying for 3min and then turning off the ultraviolet lamp, so that the situation that a user possibly turns off the water switch to use shower gel or shampoo midway and then the ultraviolet lamp is started after being stopped in a short time is avoided; the service life of the ultraviolet lamp is prolonged by reducing the starting and stopping times of the ultraviolet lamp.
Referring to fig. 10, an embodiment of the present invention further provides a control apparatus 100, which specifically includes:
at least one processor 110;
at least one memory 120 for storing at least one program;
when the at least one program is executed by the at least one processor 110, the at least one processor 110 is caused to implement the control method shown in fig. 2 to 5 and any one of fig. 7 to 8.
The memory 120, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs and non-transitory computer-executable programs. The memory 120 may include high speed random access memory and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 120 optionally includes remote memory located remotely from processor 110, and such remote memory may be coupled to processor 110 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
It will be appreciated that the device configuration shown in fig. 10 is not intended to be limiting of the control device 100 and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
In the control device 100 shown in fig. 10, the processor 110 may retrieve the program stored in the memory 120 and execute, but is not limited to, the steps of the embodiments shown in fig. 2 to 5 and any one of fig. 7 to 8.
The control device 100 can slow the attenuation of the ultraviolet lamp by the processor 110 executing the program stored in the memory 120.
The above described embodiments of the control device 100 are merely schematic, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purposes of the embodiments.
An embodiment of the present invention provides a household appliance, which includes an ultraviolet lamp for sterilizing water in a water passage and a control device 100 according to the embodiment shown in fig. 10. The home appliance in the embodiment has a hardware structure of the control device 100, and can enable the processor 110 in the control device 100 to call the program stored in the memory 120 to implement the control method shown in fig. 2 to 5 and any one of fig. 7 to 8. The specific implementation of the home appliance of this embodiment may refer to the above embodiments, and details are not described herein.
Specifically, the household appliance comprises a sterilizer, a water heater with a sterilization function, and electric water heating products such as a wall-mounted boiler.
An embodiment of the present invention also provides a computer-readable storage medium storing a program executable by a processor, where the program executable by the processor is used to implement the control method shown in fig. 2 to 5 and any one of fig. 7 to 8 when being executed by the processor.
It will be understood that all or some of the steps, systems of methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A method of controlling an ultraviolet lamp for disinfecting water in a water conduit, the method comprising the steps of:
detecting a first water flow signal when the ultraviolet lamp is in a closed state, wherein the first water flow signal is a water flow signal indicating that the water flow flowing out of the water pipeline is greater than a first flow threshold value; when the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp;
detecting a second water flow signal in a state that the ultraviolet lamp is started, wherein the second water flow signal is a water flow signal indicating that the water flow flowing out of the water pipeline is smaller than a second flow threshold value; and when the duration time of the second water flow signal is greater than or equal to a second time threshold value, the ultraviolet lamp is turned off.
2. The method of claim 1, wherein the duration of the first water flow signal is detected by:
detecting the starting time and the current time of the first water flow signal;
determining the duration according to the starting time and the current time;
wherein the detection of the first water flow signal is performed in real time.
3. The method of claim 1, wherein the duration of the first water flow signal is detected at intervals according to a preset duration.
4. The method of controlling an ultraviolet lamp according to claim 1, further comprising the steps of:
acquiring the working state of the ultraviolet lamp, wherein the working state of the ultraviolet lamp comprises a third state and a fourth state, the third state is used for representing that the ultraviolet lamp works abnormally, and the fourth state is used for representing that the ultraviolet lamp works normally;
and when the working state of the ultraviolet lamp is a third state, performing fault alarm.
5. A control method of a household appliance, the household appliance comprises a household appliance body and an ultraviolet lamp, the ultraviolet lamp is used for disinfecting water in a water pipeline, and the control method is characterized in that the ultraviolet lamp is controlled by the method according to any one of claims 1 to 4.
6. The method for controlling an electronic appliance according to claim 5, further comprising the steps of:
and when the duration time of the first water flow signal is greater than a third time threshold, starting the household appliance body, wherein the third time threshold is less than the first time threshold.
7. The method of controlling an electronic appliance according to claim 6, further comprising the steps of:
the working state of the household appliance body is obtained, the working state of the household appliance body comprises a first state and a second state, the first state is used for representing that the household appliance body works normally, and the second state is used for representing that the household appliance body works abnormally;
when the working state of the household appliance body is a first state and the duration time of the first water flow signal is greater than or equal to a first time threshold value, starting the ultraviolet lamp;
and when the working state of the household appliance body is the second state, performing fault alarm and keeping the closing state of the ultraviolet lamp.
8. A control device, comprising:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the control method of any one of claims 1-7.
9. An appliance comprising an ultraviolet lamp for disinfecting water in a water conduit and a control device as claimed in claim 8.
10. Computer-readable storage medium, characterized in that a program executable by a processor is stored thereon, which program, when being executed by the processor, is adapted to carry out the control method according to any one of claims 1 to 7.
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