CN114322022A - Noise control method and device for range hood, range hood and storage medium - Google Patents
Noise control method and device for range hood, range hood and storage medium Download PDFInfo
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Abstract
The invention discloses a noise control method and device of a range hood, the range hood and a storage medium. A noise control method of a range hood comprises the following steps: determining a target noise value of the range hood; acquiring the current power and the current rotating speed of a motor of the range hood; determining a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotating speed; determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value; and when the running state of the motor needs to be adjusted, adjusting the running state of the motor based on the current blockage degree and the target noise value. The technical scheme of this embodiment has solved the problem that smoke ventilator can not in time adjust the running state of motor according to flue jam degree, has reached the running state of in time adjusting motor under the great or less condition of flue jam degree, provides the effect of stronger suction as far as possible under the condition that keeps constant noise.
Description
Technical Field
The embodiment of the invention relates to a performance optimization technology of a range hood, in particular to a noise control method and device of the range hood, the range hood and a storage medium.
Background
Along with the higher and higher residential floors, the user quantity borne by the smoke exhaust pipeline of the common smoke exhaust ventilator in the building is larger and larger, and the smoke exhaust resistance of the smoke exhaust ventilator is different for users in different time periods or different floors.
When the smoke exhaust pipeline is blocked or the pressure is high during the peak cooking period, the motor speed of the smoke exhaust ventilator can be automatically increased, and when the pressure in the smoke exhaust pipeline is low during the low cooking period, the smoke exhaust ventilator still keeps the previous motor speed, so that the problems that the noise of the smoke exhaust ventilator is greatly increased during the peak cooking period and stronger suction can not be provided within the acceptable range of the noise value during the low cooking period exist, and the user is worried.
Disclosure of Invention
The invention provides a noise control method and device of a range hood, the range hood and a storage medium, which are used for adjusting the running state of a motor in time under the condition that the blockage degree of a flue is larger or smaller and providing stronger suction force as much as possible under the condition of keeping constant noise.
In a first aspect, an embodiment of the present invention provides a noise control method for a range hood, including:
determining a target noise value of the range hood;
acquiring the current power and the current rotating speed of a motor of the range hood;
determining a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotating speed;
determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value;
and when the running state of the motor needs to be adjusted, adjusting the running state of the motor based on the current blockage degree and the target noise value.
In a second aspect, an embodiment of the present invention further provides a noise control device for a range hood, including:
the target noise value determining module is used for determining a target noise value of the range hood;
the power and rotating speed acquisition module is used for acquiring the current power and the current rotating speed of a motor of the range hood;
the noise value and blockage degree determining module is used for determining the current noise value of the range hood and the current blockage degree of a flue of the range hood according to the current power and the current rotating speed;
the adjustment judgment module is used for determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value;
and the running state adjusting module is used for adjusting the running state of the motor based on the current blocking degree and the target noise value when the running state of the motor needs to be adjusted.
In a third aspect, an embodiment of the present invention further provides a range hood, where the range hood includes:
one or more processors;
a memory for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the noise control method of the hood as in any of the embodiments.
In a fourth aspect, embodiments of the present invention further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are used to perform a noise control method for a range hood as in any one of the embodiments.
According to the technical scheme of the embodiment, the target noise value of the range hood is determined; acquiring the current power and the current rotating speed of a motor of the range hood; determining a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotating speed; determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value; when the operation state of the motor needs to be adjusted, the operation state of the motor is adjusted based on the current blockage degree and the target noise value, that is, the noise control method in the embodiment obtains the current blockage degree of the flue by analyzing the current power and the current rotating speed, and then adjusts the current noise value to be consistent with the target noise value, so that the problem that the operation state of the motor cannot be adjusted in time according to the blockage degree of the flue by the range hood is solved, the operation state of the motor can be adjusted in time under the condition that the blockage degree of the flue is larger or smaller, and the effect of providing stronger suction force as much as possible under the condition that constant noise is kept is achieved.
Drawings
Fig. 1 is a flowchart of a noise control method of a range hood according to a first embodiment of the present invention;
fig. 2 is a flowchart of a noise control method of a range hood according to a second embodiment of the present invention;
fig. 3 is a structural diagram of a noise control device of a range hood according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a range hood provided by the fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a noise control method for a range hood according to an embodiment of the present invention, where the present embodiment is applicable to a case where a constant noise is maintained under a condition that a flue blockage degree of the range hood varies, and the method may be executed by a noise control device of the range hood built in the range hood, and specifically includes the following steps:
and S110, determining a target noise value of the range hood.
The noise of the range hood generally varies depending on the degree of blockage of the flue, and the blockage herein refers to not only the effect of oil stains, impurities, and the like in the flue blocking the flue, but also the effect of smoke discharge from each other in the case where a plurality of range hoods share one flue. For example, when a person is in a peak cooking period, a single flue is shared by residents in the same unit of a building, a large amount of smoke is intensively exhausted, and the blockage degree of the flue is large. Also for example, in the same unit of a building at the same time, the higher users are closer to the flue outlet of the roof, and therefore the flue is blocked less than the lower users. In conclusion, in the use process of the range hood, the blockage degree of the flue changes along with time, when the blockage degree of the flue is higher, the noise of the range hood is increased due to blockage of the exhaust air under the condition of the same motor power, and when the blockage degree of the flue is lower, the noise is reduced under the condition of the same motor power.
Before the range hood is used for exhausting smoke, firstly, a target noise value of the range hood is determined, the range hood is controlled to work under the target noise value, and the target noise value can be set by a user in advance or can be input or selected by the user when the range hood is started.
In this embodiment, optionally, the determining the target noise value of the range hood includes: a target noise value is determined based on input information on a user control panel of the range hood.
The range hood is usually provided with a key or a touch control panel, and a user can designate a target noise value of the range hood during the work through the control panel and also can change the target noise value during the work of the range hood, so that the range hood operates at constant noise under the target noise value.
In some cases, the noise control function described in this embodiment may be turned off, and the target noise value may not be adjusted. At this time, if the user wants to start the noise control function, the user control command can be generated through the control panel, and the related function is started.
The advantage of setting up like this is that the user can interact through control panel and smoke ventilator, selects suitable target noise value according to the circumstances.
And S120, acquiring the current power and the current rotating speed of the motor of the range hood.
The motor power of the range hood can be measured through a power sensor arranged in the range hood, and can also be obtained through real-time calculation according to the current and the voltage of the motor. The current rotating speed of the range hood can be obtained through the rotating speed sensor, and the current power and the current rotating speed are obtained and used for adjusting the running state of the motor according to the target noise value.
And S130, determining the current noise value of the range hood and the current blockage degree of a flue of the range hood according to the current power and the current rotating speed.
For the same range hood, one power and rotating speed matching mode necessarily corresponds to one unique blockage degree. Table 1 is a noise relationship information table for a certain range hood. As shown in table 1, the noise relation information table may include parameters related to noise, such as a noise value, motor power, motor rotation speed, air volume, and flue clogging degree. As shown in Table 1, when the degree of clogging of the flue duct was 1/5, the motor power was 100W, the motor speed was 500r/min, and the amount of exhaust air was 8m3Min, the noise value is 45 dB; under the condition that the flue blockage degree is 3/5, the motor power is 100W, the motor rotating speed is 420r/min, and the exhaust air volume is 4m3Min, noise value 55 dB. That is, the motor power is the same, and as the flue blockage degree of the range hood changes, the motor rotating speed, the air exhaust amount and the noise value all change correspondingly. Table 1 is a schematic table of noise relation information of only a certain type of smoking machine, and as shown in table 1, the noise values only give values of three gradients of 45dB, 55dB and 65dB, and the flue blockage degree also gives five cases of 1/5 blockage, 2/5 blockage, 3/5 blockage, 4/5 blockage and full blockage as examples, wherein the blockage state is an equivalent representation of the flue blockage degree, and represents that the flue blockage degree in the state is equivalent to a state of blocking 1/5, 2/5, 3/5, 4/5 and 5/5 of the cross section of the flue. In fact, for better user experience, the gradient of the noise value should be smaller, for example, 1dB is recorded as the gradient, and the situation of the flue blockage degree should be richer, for example, 1/20 occlusion is recorded as the gradient, so as to ensure that each matching manner of the current power and the current rotation speed can find the corresponding noise value and flue blockage degree in the noise relation information table.
TABLE 1 noise relationship information
For example, assuming that the current power and the current rotation speed obtained in S120 are 100W and 500r/min, respectively, the current noise value of the range hood is 45dB and the current blockage degree of the flue is 1/5 occlusion by comparing with the noise relation information table.
And S140, determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value.
When the target noise value is larger than the current noise value, the motor power or the motor rotating speed needs to be properly reduced, so that the current noise value is equal to the target noise value; and under the condition that the target noise value is smaller than the current noise value, the motor power or the motor rotating speed can be properly increased, so that the air output is increased under the condition that the noise value is acceptable, and the working effect of the range hood is improved. The motor power and the motor speed are concomitantly changed, and no matter which one of the motor power and the motor speed is adjusted, the other one is concomitantly changed.
In this embodiment, optionally, determining whether the operation state of the motor needs to be adjusted according to the target noise value and the current noise value includes: determining whether the current noise value is consistent with the target noise value; and when the current noise value is inconsistent with the target noise value, determining that the running state of the motor needs to be adjusted.
The current noise value is inconsistent with the target noise value, and the current noise value is greater than the target noise value or less than the target noise value, and the running state of the motor is adjusted under the two conditions so as to keep the range hood running under constant noise. If the current noise value is the same as the target noise value, the operation state of the motor does not need to be adjusted, and the motor only needs to keep the current operation state.
The advantage of setting up like this lies in, under the circumstances that current noise value is unanimous with the target noise value, smoke ventilator's noise control device does not adjust the running state of motor, reduces unnecessary operation, reduces the operand of smoke ventilator built-in treater.
And S150, when the running state of the motor needs to be adjusted, adjusting the running state of the motor based on the current blockage degree and the target noise value.
In the above example, when the current power and the current rotation speed are respectively 100W and 500r/min, the current noise value of the range hood is 45dB, and the current blockage degree of the flue is 1/5 shielding, if the target noise value is 55dB, the noise value is 55dB when the target noise value is 1/5 shielding, and the requirement of the noise value being 55dB can be met when the motor power is adjusted to 165W or the motor rotation speed is adjusted to 850 r/min. Therefore, the noise control device of the range hood adjusts the motor power of the range hood to 165W, and the range hood can be ensured to operate under the constant noise of 55 dB.
According to the technical scheme of the embodiment, the target noise value of the range hood is determined; acquiring the current power and the current rotating speed of a motor of the range hood; determining a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotating speed; determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value; when the operation state of the motor needs to be adjusted, the operation state of the motor is adjusted based on the current blockage degree and the target noise value, that is, the noise control method in the embodiment obtains the current blockage degree of the flue by analyzing the current power and the current rotating speed, and then adjusts the current noise value to be consistent with the target noise value, so that the problem that the operation state of the motor cannot be adjusted in time according to the blockage degree of the flue by the range hood is solved, the operation state of the motor can be adjusted in time under the condition that the blockage degree of the flue is larger or smaller, and the effect of providing stronger suction force as much as possible under the condition that constant noise is kept is achieved.
Example two
Fig. 2 is a flowchart of a noise control method for a range hood according to a second embodiment of the present invention, where this embodiment is applicable to a case where a constant noise is maintained under a condition that a flue blockage degree of the range hood varies, and is a further refinement of the first embodiment, the method may be executed by a noise control device of the range hood built in the range hood, and specifically includes the following steps, where steps that are the same as or similar to those in the first embodiment will not be repeated:
s210, determining a target noise value of the range hood.
And S220, acquiring the current power and the current rotating speed of the motor of the range hood.
And S230, acquiring noise relation information of the range hood.
The noise relationship information of the range hood can be presented in a form of a table in embodiment 1, or can be abstracted by a function, wherein the table is abstracted into a functional relationship formula or a curve graph and any form which can embody the corresponding relationship among a noise value, motor power, motor rotating speed, flue blockage degree and the like.
Obtaining noise relationship information for a range hood can include two layers of meaning: one is that the noise relation information of the range hood is stored in a Micro Control Unit (MCU) chip of an electric control board of the range hood in advance, and when the noise relation information is needed, the noise control device of the range hood directly obtains the noise relation information from the MCU chip. Secondly, the original acquisition of the noise relationship information data of the range hood, namely how to obtain the corresponding relationship of the noise value, the motor power, the motor rotating speed, the flue blockage degree and the like of a certain range hood through means such as test and the like.
In this embodiment, optionally, obtaining noise relationship information of the range hood includes: simulating the range hood to be in various blockage degrees, and testing the power and the rotating speed of the motor when the noise value of the range hood is kept to be a constant noise value under various blockage degrees, so as to obtain noise relation information, wherein the constant noise value comprises a plurality of values.
Taking the table 1 in the first embodiment as an example, the specific method for acquiring the noise relationship information of the range hood is to simulate the blocking degree of the flue of the range hood, shield the cross section of the flue by using a baffle plate, test the noise value of the range hood at the moment by using a volume sensor, test the motor power and the motor rotating speed of the range hood by using a power sensor and a rotating speed sensor, test the air output of the range hood by using an air quantity sensor, and summarize the air output into a table. For example, when the flue blockage degree is 1/5, the motor power is adjusted to make the noise value be 45dB, the corresponding noise value, motor power, motor rotation speed, air volume and flue blockage degree are summarized as the data in the first row in table 1, then the flue blockage degree is changed to 2/5 for shielding, the noise value is inevitably increased at this time, and the noise value measured by the volume sensor is still 45dB for keeping, so the motor power is reduced until the noise value returns to 45dB, at this time, the power sensor and the rotation speed sensor are respectively displayed as 85W and 410r/min, the group of data is summarized to obtain the data in the second row in table 1, and so on.
This has the advantage of providing a simple and feasible way of obtaining the original noise relationship information, which may be easily and conveniently obtained as shown in table 1.
In this embodiment, the noise relationship information optionally includes noise information generated when the motor operates at various speeds and powers when the flue is at various blockage levels.
As shown in table 1 in the first embodiment, only part of the data of the noise relationship information is displayed, in practical applications, enough data is needed to support various flue blockage situations, and when the data is enough, the noise relationship information can construct a state similar to stepless control of the noise of the range hood, that is, no matter how many target noise values are input by a user, the current flue blockage situation can obtain the matched motor power or motor rotation speed in the noise relationship information. When the amount of data is insufficient, the existing noise relation information may be applied in an approximate manner, and for example, when the noise relation information is as shown in table 1, the target noise value selected by the user is 46dB, and the data corresponding to 46dB is not present in table 1, and therefore, the data having the noise value of 45dB is used instead of the target noise value.
The advantage of this arrangement is that the noise control accuracy is improved by using a large amount of data to cover all noise level conditions and flue blockage conditions as much as possible.
And S240, inquiring noise relation information based on the current power and the current rotating speed to determine the current noise value of the range hood and the current blockage degree of the flue of the range hood.
When the current power and the current rotating speed are both determined, the current noise value and the current blocking degree are obtained by contrasting the noise relation information, or the closest data is used as a substitute when the data completely corresponding to the current power and the current rotating speed cannot be found in the noise relation information. For example, when the current power is 100W and the current rotation speed is 510r/min, there is no fully corresponding data set in table 1, and the data value in the first row is the closest, so that the noise value is approximately 45dB and the flue blockage degree is 1/5 occlusion.
And S250, determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value.
And S260, when the running state of the motor needs to be adjusted, adjusting the running state of the motor based on the current jamming degree and the target noise value.
In this embodiment, optionally, the adjusting the operation state of the motor based on the current jamming degree and the target noise value includes: inquiring noise relation information based on the current blockage degree and the target noise value to determine target power and target rotating speed; and adjusting the current power of the motor to the target power, and adjusting the current rotating speed of the motor to the target rotating speed.
Here, since the motor power and the motor rotation speed are changed in synchronization with each other, the adjusted motor power and the adjusted motor rotation speed have equivalence, that is, if the current power is adjusted to the target power, the current rotation speed naturally becomes the target rotation speed, and similarly, if the current rotation speed is adjusted to the target rotation speed, the current power naturally becomes the target power, and therefore, alternatively, the power and the rotation speed may be adjusted.
The advantage that sets up like this lies in, through alternative adjustment power and rotational speed, reduces the data processing volume of treater in the smoke ventilator, raises the efficiency.
According to the technical scheme, the current noise value of the range hood and the current blockage degree of the smoke channel of the range hood are determined by acquiring the noise relation information of the range hood and inquiring the noise relation information based on the current power and the current rotating speed, the problem of the source of the standard of the operation state of the motor adjusted by the range hood is solved, namely, the problems of how to determine the current noise value and the current blockage degree and how to obtain the noise relation information are solved, the operation state of the motor is adjusted in time under the condition that the blockage degree of the smoke channel is larger or smaller, and the effect of providing stronger suction force under the condition of keeping constant noise is achieved as much as possible.
EXAMPLE III
Fig. 3 is a structural diagram of a noise control device of a range hood according to a third embodiment of the present invention, where the noise control device of the range hood according to the third embodiment of the present invention can execute a noise control method of the range hood according to any embodiment of the present invention, and has functional modules and beneficial effects corresponding to the execution method.
A noise control apparatus of a range hood, comprising:
a target noise value determining module 310, configured to determine a target noise value of the range hood;
a power and rotation speed obtaining module 320, configured to obtain a current power and a current rotation speed of a motor of the range hood;
the noise value and blockage degree determining module 330 is configured to determine a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotation speed;
the adjustment judging module 340 is configured to determine whether to adjust the operating state of the motor according to the target noise value and the current noise value;
and an operation state adjusting module 350, configured to adjust an operation state of the motor based on the current jamming degree and the target noise value when the operation state of the motor needs to be adjusted.
Optionally, the target noise value determining module 310 includes:
and the control panel determining submodule is used for determining a target noise value based on input information on a user control panel of the range hood.
Optionally, the noise control device of the range hood further includes:
the noise relation information acquisition module is used for acquiring noise relation information of the range hood;
accordingly, the noise value and congestion level determination module 330 includes:
and the noise relation information inquiry submodule is used for inquiring the noise relation information based on the current power and the current rotating speed so as to determine the current noise value of the range hood and the current blockage degree of the flue of the range hood.
Optionally, the noise relation information includes noise information generated when the motor operates at various rotation speeds and power when the flue is at various blockage degrees.
Optionally, the operation state adjusting module 350 includes:
the target power target rotating speed determining submodule is used for inquiring noise relation information based on the current blockage degree and the target noise value so as to determine the target power and the target rotating speed;
and the target power target rotating speed adjusting submodule is used for adjusting the current power of the motor to be the target power and adjusting the current rotating speed of the motor to be the target rotating speed.
Optionally, the noise relation information obtaining module includes:
and the blockage degree simulation submodule is used for simulating various blockage degrees of the range hood and testing the power and the rotating speed of the motor when the noise value of the range hood is kept to be a constant noise value under the various blockage degrees, so that noise relation information is obtained, and the constant noise values comprise a plurality of values.
Optionally, the adjusting and determining module 340 includes:
the consistency determining submodule is used for determining whether the current noise value is consistent with the target noise value;
and the motor adjusting submodule is used for determining the running state of the motor to be adjusted when the current noise value is inconsistent with the target noise value.
According to the technical scheme of the embodiment, the target noise value of the range hood is determined; acquiring the current power and the current rotating speed of a motor of the range hood; determining a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotating speed; determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value; when the operation state of the motor needs to be adjusted, the operation state of the motor is adjusted based on the current blockage degree and the target noise value, that is, the noise control method in the embodiment obtains the current blockage degree of the flue by analyzing the current power and the current rotating speed, and then adjusts the current noise value to be consistent with the target noise value, so that the problem that the operation state of the motor cannot be adjusted in time according to the blockage degree of the flue by the range hood is solved, the operation state of the motor can be adjusted in time under the condition that the blockage degree of the flue is larger or smaller, and the effect of providing stronger suction force as much as possible under the condition that constant noise is kept is achieved.
Example four
Fig. 4 is a schematic structural diagram of a range hood according to a fourth embodiment of the present invention, as shown in fig. 4, the range hood includes a processor 410, a memory 420, an input device 430, and an output device 440; the number of the processors 410 in the range hood can be one or more, and one processor 410 is taken as an example in fig. 4; the processor 410, memory 420, input device 430, and output device 440 in the range hood may be connected by a bus or other means, as exemplified by the bus connection in fig. 4.
The memory 420 serves as a computer-readable storage medium for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the noise control method of the hood in the embodiment of the present invention (for example, the target noise value determination module 310, the power and rotation speed acquisition module 320, the noise value and clogging degree determination module 330, the adjustment judgment module 340, and the operation state adjustment module 350 in the noise control device of the hood). The processor 410 executes various functional applications and data processing of the range hood by executing software programs, instructions and modules stored in the memory 420, that is, implements the noise control method of the range hood described above.
The memory 420 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 420 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 420 may further include memory located remotely from the processor 410, which may be connected to the range hood over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 430 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function controls of the range hood. The output device 440 may include a display device such as a display screen, and may be used to display information such as real-time air volume.
EXAMPLE five
An embodiment of the present invention further provides a storage medium containing computer-executable instructions, where the computer-executable instructions are executed by a computer processor to perform a method for controlling noise of a range hood, and the method includes:
determining a target noise value of the range hood;
acquiring the current power and the current rotating speed of a motor of the range hood;
determining a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotating speed;
determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value;
and when the running state of the motor needs to be adjusted, adjusting the running state of the motor based on the current blockage degree and the target noise value.
Of course, the storage medium containing the computer-executable instructions provided by the embodiments of the present invention is not limited to the method operations described above, and may also perform related operations in the noise control method of the range hood provided by any embodiment of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
It should be noted that, in the embodiment of the noise control device of the range hood, the units and modules included in the embodiment are only divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A noise control method of a range hood is characterized by comprising the following steps:
determining a target noise value of the range hood;
acquiring the current power and the current rotating speed of a motor of the range hood;
determining a current noise value of the range hood and a current blockage degree of a flue of the range hood according to the current power and the current rotating speed;
determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value;
and when the running state of the motor needs to be adjusted, adjusting the running state of the motor based on the current blockage degree and the target noise value.
2. The method of claim 1, wherein determining the target range hood noise value comprises:
determining the target noise value based on input information on a user control panel of the range hood.
3. The method of claim 1, further comprising, prior to determining a current noise level of the range hood and a current blockage level of a flue of the range hood based on the current power and the current speed of rotation:
acquiring noise relation information of the range hood;
correspondingly, the determining the current noise value of the range hood and the current blockage degree of the flue of the range hood according to the current power and the current rotating speed includes:
and inquiring the noise relation information based on the current power and the current rotating speed to determine the current noise value of the range hood and the current blockage degree of the flue of the range hood.
4. The method of claim 3, wherein the noise relationship information includes noise information generated by the motor operating at various speeds and powers when the flue is at various degrees of blockage.
5. The method of claim 4, wherein said adjusting the operating state of the motor based on the current congestion level and the target noise value comprises:
inquiring the noise relation information based on the current blockage degree and the target noise value to determine a target power and a target rotating speed;
adjusting the current power of the motor to the target power, and adjusting the current rotational speed of the motor to the target rotational speed.
6. The method of claim 3, wherein said obtaining noise relationship information for said range hood comprises:
simulating various blockage degrees of the range hood, and testing the power and the rotating speed of the motor when the noise value of the range hood is kept to be a constant noise value under the various blockage degrees, so as to obtain the noise relation information, wherein the constant noise values comprise a plurality of values.
7. The method of claim 1, wherein said determining whether an operating condition of said motor needs to be adjusted based on said target noise value and said current noise value comprises:
determining whether the current noise value is consistent with the target noise value;
and when the current noise value is inconsistent with the target noise value, determining that the running state of the motor needs to be adjusted.
8. A noise control device of a range hood, comprising:
the target noise value determining module is used for determining a target noise value of the range hood;
the power and rotating speed acquisition module is used for acquiring the current power and the current rotating speed of a motor of the range hood;
the noise value and blockage degree determining module is used for determining the current noise value of the range hood and the current blockage degree of a flue of the range hood according to the current power and the current rotating speed;
the adjustment judging module is used for determining whether the running state of the motor needs to be adjusted or not according to the target noise value and the current noise value;
and the running state adjusting module is used for adjusting the running state of the motor based on the current blockage degree and the target noise value when the running state of the motor needs to be adjusted.
9. A range hood, comprising:
one or more processors;
a memory for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement a method of noise control for a range hood as claimed in any of claims 1 to 7.
10. A storage medium containing computer executable instructions which when executed by a computer processor are for performing the noise control method of a range hood as claimed in any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111613008.1A CN114322022A (en) | 2021-12-27 | 2021-12-27 | Noise control method and device for range hood, range hood and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111613008.1A CN114322022A (en) | 2021-12-27 | 2021-12-27 | Noise control method and device for range hood, range hood and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923208A (en) * | 2022-05-27 | 2022-08-19 | 宁波方太厨具有限公司 | Operating method of range hood and range hood |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923208A (en) * | 2022-05-27 | 2022-08-19 | 宁波方太厨具有限公司 | Operating method of range hood and range hood |
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