CN114305089A - Noise reduction method for boiling water pot - Google Patents
Noise reduction method for boiling water pot Download PDFInfo
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Abstract
The embodiment of the application discloses a noise reduction method of a water boiler, which comprises the following steps: a preheating stage: heating the slurry to a first temperature with a first heating power; and (3) noise reduction and heating stage: heating the slurry temperature from the first temperature to a second temperature with a second heating power; the second heating power is less than the first heating power; a water boiling stage: heating the slurry temperature from the second temperature to a third temperature with a third heating power; the third heating power is greater than the second heating power. Through this embodiment scheme, realized reducing the noise that produces when boiling water.
Description
Technical Field
The present invention relates to household appliance control technology, and is especially noise reducing method for water boiler.
Background
In the existing water boiling pot, in the process of boiling water, large noise is generated due to the change of the state of water in the process of boiling water. At present, in some low-noise boiling water boilers, the water temperature is more uniform in the heating process through double heating pipes, so that the noise is reduced; but the cost of the double heating pipe is increased, thereby increasing the cost of the whole machine. In addition, the existing water boiler can not avoid the noise generated by water boiling if the water is heated by constant heating power all the time in the process of water boiling under the condition that the water boiling power is kept unchanged and the cost is not increased.
Disclosure of Invention
The embodiment of the application provides a noise reduction method for a water boiler, which can reduce noise generated during water boiling.
The embodiment of the application provides a noise reduction method for a boiled water boiler, which can comprise the following steps:
a preheating stage: heating the slurry to a first temperature with a first heating power;
and (3) noise reduction and heating stage: heating the slurry temperature from the first temperature to a second temperature with a second heating power; the second heating power is less than the first heating power;
a water boiling stage: heating the slurry temperature from the second temperature to a third temperature with a third heating power; the third heating power is greater than the second heating power.
In an exemplary embodiment of the present application, the method may further include: a boiling stage;
boiling stage: heating the slurry temperature from the third temperature to boiling with a fourth heating power; the fourth heating power is less than the third heating power.
In an exemplary embodiment of the present application, the noise reduction heating stage may include: a first sub-phase and a second sub-phase; the second heating power includes: a first sub-heating power and a second sub-heating power;
a first sub-stage: heating the slurry temperature from the first temperature to a first sub-temperature with a first sub-heating power; the first sub-heating power is smaller than the first heating power;
a second sub-stage: heating the slurry temperature from the first sub-temperature to the second temperature with a second sub-heating power; the second sub-heating power is smaller than the first sub-heating power; the third heating power is greater than the first sub-heating power.
In an exemplary embodiment of the present application, the first temperature may satisfy: 38-42 ℃;
the second temperature may satisfy: 68-72 ℃;
the third temperature may satisfy: 83-87 ℃;
the first heating power may be: a full power P;
the second heating power may satisfy: 3P/4-5P/6;
the third heating power may be: a full power P;
the fourth heating power may satisfy: 3P/4-P/3.
In an exemplary embodiment of the present application, the first sub-temperature may satisfy: 48-52 ℃;
the first sub-heating power may satisfy: 3P/4-5P/6;
the second sub-heating power may satisfy: 3P/4-P/3.
In an exemplary embodiment of the present application, the method may further include: after entering different stages, when the heating power of the boiling water pot is adjusted, if the heating power of the adjusted boiling water pot is detected to be larger than or equal to a preset power upper limit value, the heating power is adjusted to the power upper limit value; and if the heating power of the adjusted water boiler is detected to be smaller than the preset power upper limit value, keeping the adjusted heating power.
In an exemplary embodiment of the present application, the method may further include:
when the water boiler is used for the first time, the altitude boiling point T corresponding to the current altitude is obtainedBoiling point；
According to said altitude boiling point TBoiling pointTemperature values for entering different phases are determined.
In an exemplary embodiment of the present application, the obtaining of the altitude boiling point T corresponding to the current altitude is performedBoiling pointThe method can comprise the following steps:
heating water with full power until boiling;
detecting the rising slope of the water temperature in the boiling water boiler in the heating process;
when the change of the rising slope of the water temperature in a preset time is less than or equal to a preset change threshold, determining that the currently detected temperature is the altitude boiling point T corresponding to the current altitudeBoiling point。
In an exemplary embodiment of the present application, the boiling point T according to the altitudeBoiling pointDetermining the temperature values for entering the different phases may include: the different temperature values are adjusted according to the following relation:
T＝T0-(100℃-Tboiling point)；
Wherein, T0T is the temperature value before adjustment and T is the temperature value after adjustment.
In an exemplary embodiment of the present application, the method may further include:
and in the process of boiling water, detecting the change of the mains supply voltage in real time, and adjusting the heating power according to the change of the mains supply voltage.
Compared with the related art, the embodiment of the application can comprise the following steps: a preheating stage: heating the slurry to a first temperature with a first heating power; and (3) noise reduction and heating stage: heating the slurry temperature from the first temperature to a second temperature with a second heating power; the second heating power is less than the first heating power; a water boiling stage: heating the slurry temperature from the second temperature to a third temperature with a third heating power; the third heating power is greater than the second heating power. Through this embodiment scheme, realized reducing the noise that produces when boiling water.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the present application may be realized and attained by the instrumentalities and combinations particularly pointed out in the specification and the drawings.
Drawings
The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.
FIG. 1 is a flowchart illustrating a method for reducing noise of a water boiler according to an embodiment of the present disclosure.
Detailed Description
The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive concept as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive aspects to form yet another unique inventive aspect, as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other orders of steps are possible as will be understood by those of ordinary skill in the art. Therefore, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Further, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
The embodiment of the application provides a noise reduction method for a water boiler, and as shown in fig. 1, the method may include steps S101 to S103:
s101, preheating: heating the slurry to a first temperature with a first heating power;
s102, noise reduction and heating stage: heating the slurry temperature from the first temperature to a second temperature with a second heating power; the second heating power is less than the first heating power;
s103, water boiling stage: heating the slurry temperature from the second temperature to a third temperature with a third heating power; the third heating power is greater than the second heating power.
In the exemplary embodiment of the application, during the water boiling process, the water temperature in the water boiling pot is detected in real time, and the state of water in the water boiling pot is judged according to the water temperature; the water conditions include: generating a bubble condition and/or a rolling condition, and adjusting the heating power of the water boiler according to the state of the water to reduce noise under the condition of noise caused by the change of the state of the water.
In the exemplary embodiment of the present application, it is known through research and analysis that the bottom of the water boiler generates some small bubbles during the water boiling process, the small bubbles are mainly formed by air adsorbed at the bottom of the kettle and dissolved in water, the volume of the bubbles increases with the increase of temperature, the bubbles rise, and due to the uneven water temperature in the water boiler, the volume of the bubbles decreases with cooling during the rising process, and a large number of bubbles repeat this way to generate a large amount of noise, wherein the larger the heating power, the larger the noise generated in the corresponding temperature section.
In the exemplary embodiment of the present application, based on the above phenomena, a low noise heating control method for a water boiler is disclosed, which generates low noise during boiling water by using different heating powers during boiling water. For example, the heating power is reduced at different temperature points, so that the water is heated at a higher noise stage with lower power, and the noise generated during water heating is reduced.
In an exemplary embodiment of the present application, the bubble generation condition may include any one or more of: how much bubbles are generated, the size of the generated bubbles, and whether the generated bubbles are broken; the rollover condition may include: with or without tumbling.
In an exemplary embodiment of the present application, the judging the state of the water in the water boiler according to the water temperature may include:
when the water temperature is detected to be in a first temperature range, judging that no bubble exists in the water and no rolling phenomenon exists;
when the water temperature is detected to be in a second temperature range, judging that the water has few bubbles, small bubbles and no bubble breakage, and the water has no rolling phenomenon;
when the water temperature is detected to be in a third temperature range, judging that the quantity of bubbles in the water is large, the generated bubbles are gradually reduced, the bubbles are not broken, and the water does not roll;
when the water temperature is detected to be in a fourth temperature range, judging that bubbles in the water are reduced, the generated bubbles are gradually enlarged, the bubbles are not broken, and the water does not roll;
and when the water temperature is detected to be in a fifth temperature range, judging that the bubbles in the water are reduced, the generated bubbles are gradually enlarged, the bubbles rise to the water surface to be broken, and the water has a rolling phenomenon.
In an exemplary embodiment of the present application, the first temperature range may satisfy: less than 40 ℃;
the second temperature range may satisfy: greater than 40 ℃ and less than or equal to 50 ℃;
the third temperature range may satisfy: greater than 50 ℃ and less than or equal to 70 ℃;
the fourth temperature range may satisfy: greater than 70 ℃ and less than or equal to 85 ℃;
the fifth temperature range may satisfy: greater than 85 ℃ and less than or equal to the boiling temperature.
In an exemplary embodiment of the present application, based on the above analysis, it can be seen that: the first temperature may satisfy: 38 ℃ to 42 ℃, for example, 40 ℃ can be selected; the second temperature may satisfy: 68 ℃ to 72 ℃, for example, 70 ℃ can be selected; the third temperature may satisfy: from 83 ℃ to 87 ℃ and, for example, 85 ℃ may be chosen.
In an exemplary embodiment of the present application, the preheating stage may correspond to a first temperature range, the noise reduction heating stage may correspond to a second temperature range and a third temperature range, and the water boiling stage may correspond to a fourth temperature range.
In an exemplary embodiment of the present application, the noise reduction heating stage may include: a first sub-phase and a second sub-phase; the second heating power includes: a first sub-heating power and a second sub-heating power;
a first sub-stage: heating the slurry temperature from the first temperature to a first sub-temperature with a first sub-heating power; the first sub-heating power is smaller than the first heating power;
a second sub-stage: heating the slurry temperature from the first sub-temperature to the second temperature with a second sub-heating power; the second sub-heating power is smaller than the first sub-heating power; the third heating power is greater than the first sub-heating power.
In an exemplary embodiment of the present application, the first sub-temperature may satisfy: 48 ℃ to 52 ℃ and, for example, 50 ℃ may be selected.
In an exemplary embodiment of the present application, a first sub-phase
In an exemplary embodiment of the present application, the method may further include: a boiling stage;
boiling stage: heating the slurry temperature from the third temperature to boiling with a fourth heating power; the fourth heating power is less than the third heating power.
In exemplary embodiments of the present application, the slurry temperature may be heated from 85 ℃ to boiling with a fourth heating power.
In exemplary embodiments of the present application, the boiling stage may correspond to a fifth temperature range.
In an exemplary embodiment of the present application, the first heating power may be: a full power P;
the second heating power may satisfy: 3P/4-5P/6; wherein the first sub-heating power may satisfy: 3P/4-5P/6; the second sub-heating power may satisfy: 3P/4-P/3;
the third heating power may be: a full power P;
the fourth heating power may satisfy: 3P/4-P/3.
In an exemplary embodiment of the present application, the adjusting of the heating power of the water boiling pot according to the state of the water may include:
when no bubble exists in the water and no rolling phenomenon exists (namely in a first temperature range), controlling the heating power (first heating power) to be full power P;
when the bubbles in the water are few, small and not broken and the water does not roll (namely, in a second temperature range), controlling the heating power (the first sub-heating power) to be 3P/4-5P/6;
when the bubbles in the water are more, the generated bubbles are gradually reduced, the bubbles are not broken, and the water does not roll (in a third temperature range), controlling the heating power (second sub-heating power) to be 3P/4-P/3;
when bubbles in water are reduced, the generated bubbles are gradually enlarged, the bubbles are not broken, and the water does not roll (in a fourth temperature range), controlling the heating power (third heating power) to be full power P;
and when the bubbles in the water are reduced, the generated bubbles are gradually enlarged, the bubbles rise to the water surface to be broken, and the water has a rolling phenomenon (a fifth temperature range), controlling the heating power (fourth heating power) to be 3P/4-P/3.
In the exemplary embodiment of the present application, when the temperature of water is lower than 40 ℃, the volume of small bubbles attached to the bottom of the heating pan during heating is relatively small, so that full power heating is performed in this temperature range without generating large noise.
In the exemplary embodiment of the present application, in the temperature range of 40 ℃ to 50 ℃, as the full power heating is performed, small bubbles are generated at the bottom of the boiled water boiler, the number of bubbles is increased, and the noise is gradually increased.
In the exemplary embodiment of the application, in the temperature range of 50 ℃ to 70 ℃, the quantity of the bubbles is generated in a large quantity, the temperature difference between the upper part and the lower part of the water temperature in the water boiling pot is large, the bubbles generate the largest noise in the whole water boiling process in the rising and cooling process, so that the small heating power can be adopted for heating, the generation of the bubbles in a large quantity is relieved, meanwhile, the water in the water boiling pot has enough time for heat exchange, and the water temperature in the water boiling pot is more uniform.
In the exemplary embodiment of the application, in the temperature range of 70 ℃ to 85 ℃, the volume of the water in the boiled water boiler is not reduced but is continuously increased in the rising process, so that the noise at the stage is relatively small, the full-power heating can be adopted, the temperature can be raised at a higher speed, and the time for boiling the water is saved.
In the exemplary embodiment of the present application, when the temperature of water approaches the boiling temperature during the time from 85 ℃ to boiling, the inside of water is rapidly vaporized, and then the bubbles are increased during the rising process thereof, and the bubbles rise from the bottom to the surface and are broken, and the source of noise is the sound of the tumbling of water and the breaking of bubbles during boiling, so that the degree of boiling of water is suppressed with relatively small power, and thus the generation of noise is reduced.
In an exemplary embodiment of the present application, the method may further include: after entering different stages, when the heating power of the boiling water pot is adjusted, if the heating power of the adjusted boiling water pot is detected to be larger than or equal to a preset power upper limit value, the heating power is adjusted to the power upper limit value; and if the heating power of the adjusted water boiler is detected to be smaller than the preset power upper limit value, keeping the adjusted heating power.
In an exemplary embodiment of the present application, the heating power of the boiler may be controlled to be less than or equal to 1200W for further noise reduction.
In the exemplary embodiment of the present application, if a large heating power is used, bubbles generated at the bottom of the boiler may be severe, and at the same time, the response of the measured temperature may be untimely due to the influence of the NTC (negative temperature coefficient thermistor) package, that is, the actual water temperature is higher than the temperature detected by the NTC, in which case, the heating power adjustment may be untimely, causing the water-boiling noise not to be reduced.
In an exemplary embodiment of the present application, the method may further include:
when the water boiler is used for the first time, the altitude boiling point T corresponding to the current altitude is obtainedBoiling point；
According to said altitude boiling point TBoiling pointTemperature values for entering different phases are determined.
In an exemplary embodiment of the present application, the heating power switching temperature point may be adaptively adjusted according to the current altitude boiling point.
In an exemplary embodiment of the present application, the obtaining of the altitude boiling point T corresponding to the current altitude is performedBoiling pointThe method can comprise the following steps:
heating water with full power until boiling;
detecting the rising slope of the water temperature in the boiling water boiler in the heating process;
when the change of the rising slope of the water temperature in a preset time is less than or equal to a preset change threshold, determining that the currently detected temperature is the altitude boiling point T corresponding to the current altitudeBoiling point。
In an exemplary embodiment of the present application, when a user uses the boiler for the first time, the boiler may be heated to boil with full power, the rising slope of the water temperature is detected, if the rising slope of the water temperature is substantially maintained at 0 (i.e., less than or equal to a preset change threshold) for a long time during the heating process, which indicates that the water temperature has not changed, the temperature point is considered as the current altitude boiling point, and the current temperature point may be stored in the EEProm, and the altitude adaptive flag may be set.
In the exemplary embodiment of the present application, in the process that the user boils water for the first time and uses the boiler, the current altitude is automatically adapted, after the adaptation, the water boiling is controlled by the low noise process, because the slope of the temperature rise is relatively stable under the same heating power, and the current boiling point is more easily judged, the altitude boiling point is judged by adopting full power heating in the whole course.
In the exemplary embodiment of the present application, a thermometer for adjusting the heating power at a preset standard altitude may be stored in the memory when a water boiler leaves a factory, and when the water boiler is not used at the standard altitude, the thermometer may not be adjusted, and when the water boiler is not used at the standard altitude, the temperature range (or temperature point) for acquiring the heating power adjustment may be adjusted according to the thermometer at the standard altitude for the current altitude.
In an exemplary embodiment of the present application, it may be determined whether temperature adjustment is required according to whether an altitude adaptation flag is set up. When the elevation adaptive mark is set, the temperature in the water-boiling low-noise process can be adjusted. When the altitude adaptive flag is not set, temperature adjustment in the low noise process is not performed.
In an exemplary embodiment of the present application, the boiling point T according to the altitudeBoiling pointDetermining the temperature values for entering the different phases may include: the different temperature values are adjusted according to the following relation:
T＝T0-(100℃-Tboiling point)；
Wherein, T0T is the temperature value before adjustment and T is the temperature value after adjustment.
In an exemplary embodiment of the present application, the method may further include:
and in the process of boiling water, detecting the change of the mains supply voltage in real time, and adjusting the heating power according to the change of the mains supply voltage.
In an exemplary embodiment of the present application, the heating power P ═ U × U/R, where R is the equivalent resistance of the heating device, such as a heating tube. During the water boiling process, according to the voltage detected by the mains supply, adjusting Pa ═ U × (Pw/(220 ×) in time, wherein the mains supply is assumed to be 220V, U is the current mains supply voltage, Pa is the heating power after voltage adjustment, and Pw is the heating power after adjustment of each temperature range.
In the exemplary embodiment of the application, the change of the mains voltage is identified and the heating power is adjusted in time in the water boiling process, so that the heating power of the low-noise water boiling can be controlled relatively accurately.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a 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.
Claims (10)
1. A method of reducing noise in a water boiling kettle, the method comprising:
a preheating stage: heating the slurry to a first temperature with a first heating power;
and (3) noise reduction and heating stage: heating the slurry temperature from the first temperature to a second temperature with a second heating power; the second heating power is less than the first heating power;
a water boiling stage: heating the slurry temperature from the second temperature to a third temperature with a third heating power; the third heating power is greater than the second heating power.
2. The method of noise reduction in a boiling water kettle of claim 1, further comprising: a boiling stage;
boiling stage: heating the slurry temperature from the third temperature to boiling with a fourth heating power; the fourth heating power is less than the third heating power.
3. Method for reducing the noise of a water boiler according to claim 1, characterized in that said noise-reducing heating phase comprises: a first sub-phase and a second sub-phase; the second heating power includes: a first sub-heating power and a second sub-heating power;
a first sub-stage: heating the slurry temperature from the first temperature to a first sub-temperature with a first sub-heating power; the first sub-heating power is smaller than the first heating power;
a second sub-stage: heating the slurry temperature from the first sub-temperature to the second temperature with a second sub-heating power; the second sub-heating power is smaller than the first sub-heating power; the third heating power is greater than the first sub-heating power.
4. The method for reducing noise in a water boiler as claimed in claim 2,
the first temperature satisfies: 38-42 ℃;
the second temperature satisfies: 68-72 ℃;
the third temperature satisfies: 83-87 ℃;
the first heating power is as follows: a full power P;
the second heating power satisfies: 3P/4-5P/6;
the third heating power is as follows: a full power P;
the fourth heating power satisfies: 3P/4-P/3.
5. The method of reducing noise in a water boiler as set forth in claim 3,
the first sub-temperature satisfies: 48-52 ℃;
the first sub-heating power satisfies: 3P/4-5P/6;
the second sub-heating power satisfies: 3P/4-P/3.
6. The method of noise reduction in a boiler of any of claims 1 to 5, further comprising: after entering different stages, when the heating power of the boiling water pot is adjusted, if the heating power of the adjusted boiling water pot is detected to be larger than or equal to a preset power upper limit value, the heating power is adjusted to the power upper limit value; and if the heating power of the adjusted water boiler is detected to be smaller than the preset power upper limit value, keeping the adjusted heating power.
7. The method of noise reduction in a boiler of any of claims 1 to 5, further comprising:
when the water boiler is used for the first time, the altitude boiling point T corresponding to the current altitude is obtainedBoiling point；
According to said altitude boiling point TBoiling pointTemperature values for entering different phases are determined.
8. The method of claim 7, wherein the obtaining of the altitude boiling point T corresponding to the current altitude is performedBoiling pointThe method comprises the following steps:
heating water with full power until boiling;
detecting the rising slope of the water temperature in the boiling water boiler in the heating process;
when the change of the rising slope of the water temperature in a preset time is less than or equal to a preset change threshold, determining that the currently detected temperature is the altitude boiling point T corresponding to the current altitudeBoiling point。
9. The method of reducing noise in a water boiler as set forth in claim 7, wherein said boiling point T is determined according to said altitudeBoiling pointDetermining the temperature values for entering the different phases includes: the different temperature values are adjusted according to the following relation:
T＝T0-(100℃-Tboiling point)；
Wherein, T0T is the adjusted temperature value.
10. The method of noise reduction in a boiler of any of claims 1 to 5, further comprising:
and in the process of boiling water, detecting the change of the mains supply voltage in real time, and adjusting the heating power according to the change of the mains supply voltage.
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