Noise display method and device, range hood and medium

Abstract

This invention discloses a noise display method, device, range hood, and medium. The method includes: acquiring at least one back pressure value of the target range hood and determining a first noise value corresponding to each back pressure value; determining the operating noise value of the target range hood and correcting the operating noise value using the first noise value to obtain a corrected noise value; acquiring at least one input current of the target range hood and determining a second noise value corresponding to each input current; and, if the corrected noise value and the second noise value satisfy preset constraints, determining a display noise value corresponding to both the corrected noise value and the second noise value, and displaying the display noise value in real time on the noise display panel of the target range hood. This invention enables real-time and accurate determination and display of range hood noise, improving the user experience.

Description

Technical Field

[0001] The present invention relates to the field of computer technology, and in particular to a noise display method, device, range hood and medium. Background Technology

[0002] Range hoods, also known as kitchen exhaust hoods or cooking hoods, are essential kitchen appliances for families due to their attractive appearance, effective smoke extraction, compatibility with various kitchen furniture styles, and moderate price. As people's living standards improve, more and more users have higher requirements for the performance of range hoods, with high air volume, strong suction, and low noise becoming the main factors consumers consider when purchasing them.

[0003] Currently, the noise level of range hoods is affected by factors such as suction power and wind speed, making it difficult to accurately determine and display the noise in real time. Therefore, how to accurately determine and display the noise level in real time to improve the user experience is a key research issue in the industry. Summary of the Invention

[0004] This invention provides a noise display method, device, range hood, and medium to solve the problem of difficulty in determining and displaying the noise of a range hood in real time and accurately. It achieves real-time and accurate determination of the noise of the range hood and displays the determined noise, thereby improving the user experience.

[0005] According to one aspect of the present invention, a noise display method is provided, comprising:

[0006] Obtain at least one back pressure value of the target range hood, and determine the first noise value corresponding to each back pressure value;

[0007] Determine the operating noise value of the target range hood, and correct the operating noise value using the first noise value to obtain the corrected noise value;

[0008] Obtain at least one input current of the target range hood, and determine the second noise value corresponding to each input current;

[0009] If the corrected noise value and the second noise value meet the preset constraints, the display noise value corresponding to the corrected noise value and the second noise value is determined, and the display noise value is displayed in real time on the noise display panel of the target range hood.

[0010] In an optional implementation of this embodiment, at least one back pressure value of the target range hood is obtained, and a first noise value corresponding to each back pressure value is determined, including:

[0011] The target back pressure value generated during the operation of the target range hood is obtained by monitoring the back pressure monitoring device installed in the target range hood.

[0012] Determine the back pressure-airflow curve and the airflow-noise curve respectively;

[0013] Determine the target back pressure value from the back pressure-airflow curve, and determine the target airflow corresponding to the target back pressure value;

[0014] Determine the target air volume from the air volume-noise curve, and determine the target noise value corresponding to the target air volume;

[0015] The target noise value is determined as the first noise value.

[0016] In an optional implementation of this embodiment, determining the operating noise value of the target range hood includes:

[0017] The noise level generated by the target range hood at the moment of acquiring the target back pressure value is obtained by deploying a noise detection device in the target range hood.

[0018] The noise level is determined as the operating noise level of the target range hood.

[0019] In an optional implementation of this embodiment, the working noise value is corrected using a first noise value to obtain a corrected noise value, including:

[0020] The mean square value is determined based on the first noise value and the operating noise value.

[0021] The corrected noise value is determined based on the mean square value and the limit value;

[0022] The limit value is 0.5dB.

[0023] In one optional implementation of this embodiment, at least one input current of the target range hood is obtained, and a second noise value corresponding to each input current is determined, including:

[0024] Obtain the target input current and determine the target speed of the fan system of the target range hood corresponding to the target input current;

[0025] Determine the target air volume corresponding to the target rotation speed, and determine the second noise value corresponding to the target air volume based on the air volume-noise curve.

[0026] In an optional implementation of this embodiment, determining the display noise value corresponding to the corrected noise value and the second noise value includes:

[0027] Determine the mean of the corrected noise value and the second noise value;

[0028] The mean value is determined as the display noise value.

[0029] In an optional implementation of this embodiment, the noise display method further includes:

[0030] If it is determined that the corrected noise value and the second noise value do not meet the preset limit conditions, a preset number of corrected noise values ​​and the second noise value are determined.

[0031] This continues until it is determined that each corrected noise value and each second noise value meet the preset constraints.

[0032] According to another aspect of the present invention, a noise display device is provided, comprising:

[0033] The first noise value determination module is used to obtain at least one back pressure value of the target range hood and determine the first noise value corresponding to each back pressure value.

[0034] The noise value correction module is used to determine the operating noise value of the target range hood, and correct the operating noise value using the first noise value to obtain the corrected noise value;

[0035] The second noise value determination module is used to acquire at least one input current of the target range hood and determine the second noise value corresponding to each input current.

[0036] The noise value display module is used to determine the display noise value corresponding to the corrected noise value and the second noise value when the corrected noise value and the second noise value meet the preset limit conditions, and to display the display noise value in real time on the noise display panel of the target range hood.

[0037] According to another aspect of the present invention, a range hood is provided, the range hood comprising:

[0038] At least one processor; and

[0039] A memory that is communicatively connected to at least one processor; wherein,

[0040] The memory stores a computer program that can be executed by at least one processor, such that the at least one processor is able to perform the noise display method involved in any embodiment of the present invention.

[0041] According to another aspect of the present invention, a computer-readable storage medium is provided, which stores computer instructions for causing a processor to execute and implement the noise display method involved in any embodiment of the present invention.

[0042] The technical solution of this invention, through obtaining at least one back pressure value of the target range hood and determining a first noise value corresponding to each back pressure value; determining the operating noise value of the target range hood and correcting the operating noise value using the first noise value to obtain a corrected noise value; obtaining at least one input current of the target range hood and determining a second noise value corresponding to each input current; and, when the corrected noise value and the second noise value satisfy preset limiting conditions, determining a display noise value corresponding to the corrected noise value and the second noise value, and displaying the display noise value in real time on the noise display panel of the target range hood, solves the problem of existing solutions being unable to determine and display the noise of the range hood in real time and accurately, thereby achieving real-time and accurate determination of the range hood noise and displaying the determined noise, thus improving the user experience.

[0043] It should be understood that the description in this section is not intended to identify key or important features of the embodiments of the present invention, nor is it intended to limit the scope of the embodiments of the present invention. Other features of the embodiments of the present invention will become readily apparent from the following description. Attached Figure Description

[0044] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0045] Figure 1 This is a flowchart of a noise display method provided according to Embodiment 1 of the present invention;

[0046] Figure 2 This is a flowchart of another noise display method provided according to Embodiment 2 of the present invention;

[0047] Figure 3 This is a flowchart of another noise display method provided according to Embodiment 2 of the present invention;

[0048] Figure 4 This is a schematic diagram of the structure of a noise display device according to Embodiment 3 of the present invention;

[0049] Figure 5 This is a schematic diagram of the processing system of a range hood that implements the noise display method of this invention.

[0050] icon:

[0051] 410 - First noise value determination module; 420 - Corrected noise value determination module; 430 - Second noise value determination module; 440 - Noise value display module; 11 - Processor; 12 - ROM; 13 - RAM; 14 - Bus; 15 - I / O interface; 16 - Input unit; 17 - Output unit; 18 - Storage unit; 19 - Communication unit. Detailed Implementation

[0052] To enable those skilled in the art to better understand the embodiments of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0053] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of the embodiments of the present invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the present invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0054] Example 1

[0055] Figure 1 This is a flowchart of a noise display method according to Embodiment 1 of the present invention. This embodiment is applicable to the real-time display of noise from a range hood. The method can be executed by a noise display device, which can be implemented in hardware and / or software. The noise display device can be configured in electronic devices such as range hoods, computers, servers, or tablet computers. Specifically, refer to... Figure 1 The method specifically includes the following steps:

[0056] Step 110: Obtain at least one back pressure value of the target range hood, and determine the first noise value corresponding to each back pressure value.

[0057] Back pressure refers to the pressure at the rear end of the range hood. It can be used to describe the pressure that the fluid discharged from the range hood experiences at the outlet or on the secondary side, which is opposite to the flow direction. Under normal circumstances, the back pressure value is greater than the local atmospheric pressure.

[0058] In this embodiment, the target range hood can be any range hood, which can be installed in any home kitchen, kitchen appliance laboratory, or restaurant kitchen, etc. This embodiment does not limit it.

[0059] In one optional implementation of this embodiment, at least one back pressure value of the target range hood can be continuously acquired, for example, 1, 5, 10, or 15, etc., and this embodiment does not limit this. Furthermore, the noise value corresponding to each back pressure value can be determined sequentially. In this embodiment, the noise value corresponding to the back pressure value is referred to as the first noise value, which is not a limitation of this embodiment.

[0060] Optionally, in this embodiment, obtaining at least one back pressure value of the target range hood and determining the first noise value corresponding to each back pressure value may include: monitoring the target back pressure value generated during the operation of the range hood through a back pressure monitoring device installed in the target range hood; determining the target air volume corresponding to the target back pressure value; determining the target noise value corresponding to the target air volume; and determining the target noise value as the first noise value.

[0061] It should be noted that, in this embodiment, a back pressure monitoring device may be installed in the target range hood, which can monitor the back pressure value of the target range hood in real time. In this embodiment, during the operation of the target range hood, the back pressure value can be monitored once at a set time interval, for example, once every second, five seconds, one minute, or ten minutes. After monitoring these back pressure values, a first noise value corresponding to each back pressure value is determined.

[0062] In this embodiment, the target back pressure value can be any back pressure value obtained from monitoring, and there is no limitation on it in this embodiment.

[0063] In an optional implementation of this embodiment, after determining the target back pressure value, the target air volume corresponding to the target back pressure value can be further determined, and then the target air volume corresponding to the target back pressure value can be determined; further, the target noise value corresponding to the target air volume is determined, and the target noise value is the first noise value corresponding to the target back pressure value involved in this embodiment.

[0064] Optionally, in this embodiment, the back pressure-airflow curve and the airflow-noise curve can be predetermined. It is understood that in this embodiment, the back pressure-airflow curve is a performance curve, which can be obtained by plotting the relationship between measured back pressures and airflow. Alternatively, the back pressure-airflow curve can be determined from the relevant specifications of the target range hood; this embodiment does not impose any limitations on it. In this embodiment, multiple airflow-noise values ​​can be obtained experimentally, and an airflow-noise curve can be fitted based on these values. In the fitted airflow-noise curve, the horizontal axis can represent airflow, and the vertical axis can represent noise.

[0065] Furthermore, in this embodiment, after determining the back pressure-airflow curve and the airflow-noise curve, the target back pressure value can be determined from the back pressure-airflow curve, and the target airflow corresponding to the target back pressure value can be determined; the target airflow can be determined from the airflow-noise curve, and the target noise value corresponding to the target airflow can be determined.

[0066] Optionally, in this embodiment, after the target back pressure value is obtained by monitoring, the target back pressure value can be substituted into the back pressure-airflow curve to determine the target airflow corresponding to the target back pressure value; further, the target airflow can be substituted into the airflow-noise curve to determine the target noise value corresponding to the target airflow.

[0067] Step 120: Determine the operating noise value of the target range hood, and correct the operating noise value using the first noise value to obtain the corrected noise value.

[0068] The operating noise value of the target range hood can be any noise value collected during the operation of the target range hood, and it is not limited in this embodiment.

[0069] In an optional implementation of this embodiment, determining the operating noise value of the target range hood may include: obtaining the noise value generated by the target range hood at the moment of obtaining the target back pressure value through a noise detection device deployed in the target range hood; and determining the noise value as the operating noise value of the target range hood.

[0070] Optionally, in this embodiment, in order to improve the accuracy of the working noise value of the target range hood, the noise value of the range hood system and the noise value of the fan system of the target range hood can be detected multiple times within a certain period of time (e.g., 1 second, 5 seconds, or 10 seconds), and the average value of these noise values ​​of the range hood system and the fan system can be calculated to obtain the working noise value of the target range hood.

[0071] Furthermore, in this embodiment, after determining the operating noise value of the target range hood, the operating noise value can be further corrected using the first noise value to obtain a corrected noise value. In an optional implementation of this embodiment, correcting the operating noise value using the first noise value to obtain the corrected noise value may include: determining a mean square value based on the first noise value and the operating noise value; and determining the corrected noise value based on the mean square value and a limit value, wherein the limit value is 0.5 dB.

[0072] For example, in this embodiment, the mean square value can be determined by the following formula:

[0073]

[0074] Where X is the mean square value of m first noise values ​​and the working noise value, and m is the number of each first noise value and each working noise value; it can be understood that the number of each first noise value is the same as the number of each working noise value; S i1 S represents the first noise value; i2 These are the noise values ​​for each operation.

[0075] Furthermore, the corrected noise value can be determined by the following formula:

[0076]

[0077] Where α is the corrected noise value; Limt is the limit value; in this embodiment, it refers to the noise limit value, which can be set according to the corresponding international standard value. For example, it can be 0.5dB, 1dB, or 2dB, etc., and is not limited in this embodiment.

[0078] Step 130: Obtain at least one input current of the target range hood, and determine the second noise value corresponding to each input current.

[0079] In this embodiment, the second noise value refers to the noise value that matches the input current of the target range hood. It can be any value, and this embodiment does not limit it.

[0080] In an optional implementation of this embodiment, a current monitoring device can also be installed in the target range hood; the input current of the target range hood can be monitored in real time through the current monitoring device; it should be noted that the current input current monitored by the current monitoring device can be any current value, and this embodiment does not limit it.

[0081] Optionally, in this embodiment, at least one input current of the target range hood can be continuously acquired, for example, 5, 10, or 15, etc., and this embodiment is not limited to this. Furthermore, a second noise value corresponding to each input current can be determined separately.

[0082] In one optional implementation of this embodiment, obtaining at least one input current of the target range hood and determining the second noise value corresponding to each input current may include: obtaining the target input current and determining the target speed of the fan system of the target range hood corresponding to the target input current; determining the target air volume corresponding to the target speed and determining the second noise value corresponding to the target air volume based on the air volume-noise curve.

[0083] Optionally, in this embodiment, after obtaining at least one input current of the target range hood, the target rotation speed of the fan system of the target range hood corresponding to each input current can be further determined.

[0084] In an optional implementation of this embodiment, the target rotational speed of the fan system of the target range hood can be determined based on the target input current, the torque of the fan system, the voltage of the fan system, and the efficiency of the fan system. The target input current can be any one of the obtained input currents, and is not limited to it in this embodiment.

[0085] The torque, voltage, and efficiency of the fan system can be determined from the instruction manual of the target range hood. For example, if the current operating setting of the fan system is medium, the torque, voltage, and efficiency of the fan system corresponding to medium setting can be determined by consulting the instruction manual of the target range hood. This allows for quick and accurate determination of the various parameters of the fan system.

[0086] Optionally, in this embodiment, the target rotational speed of the fan system of the target range hood can be determined based on the following formula:

[0087]

[0088] Where N is the rotational speed of the fan system, i.e. the target rotational speed involved in this embodiment; T is the torque of the fan system; I is the input current of the fan system, i.e. the target input current in this embodiment; U is the voltage of the fan system; and β is the efficiency of the fan system.

[0089] Understandably, based on the above formula, after obtaining the target input current of the target range hood, and by consulting the instruction manual of the target range hood to determine the torque, voltage, and efficiency of the fan system, the target speed of the fan system of the target range hood can be accurately determined.

[0090] In an optional implementation of this embodiment, after determining the target rotational speed of the fan system of the target range hood, a target airflow corresponding to the target rotational speed can be further determined based on the determined target rotational speed. Furthermore, the current noise value corresponding to the target airflow can be determined based on a preset airflow-noise curve. It should be noted that the airflow-noise curve involved in this embodiment is an "airflow-noise" curve; for example, the horizontal axis of the preset airflow-noise curve represents airflow, and the vertical axis represents noise.

[0091] Optionally, in this embodiment, after determining the target rotation speed of the fan system of the target range hood, the target air volume can be determined according to the relationship between rotation speed and air volume. In this embodiment, rotation speed and air volume are positively correlated, that is, the higher the rotation speed of the fan system, the greater the air volume generated; the lower the rotation speed of the fan system, the smaller the air volume generated.

[0092] In one example of this embodiment, the target air volume corresponding to the target rotational speed can be determined by the following relationship; Where Q is the air volume, V is the average wind speed at the fan outlet, and N is the target rotational speed; in this embodiment, the average wind speed at the fan outlet can be determined by consulting the instruction manual of the target range hood.

[0093] In this embodiment, the target air volume corresponding to the target rotation speed can also be determined by other methods. These methods will not be described in detail here, as they are not intended to limit this embodiment.

[0094] Optionally, in this embodiment, after determining the target air volume corresponding to the target rotation speed, the noise value corresponding to the target air volume in the preset air volume noise curve can be queried, and the noise value can be determined as the second noise value.

[0095] Step 140: If the corrected noise value and the second noise value meet the preset limiting conditions, determine the display noise value corresponding to the corrected noise value and the second noise value, and display the display noise value in real time on the noise display panel of the target range hood.

[0096] In an optional implementation of this embodiment, after determining each corrected noise value and each second noise value, it can be sequentially determined whether each corrected noise value and each second noise value satisfy a preset constraint condition. The preset constraint condition can be an inequality condition, for example, whether the difference between the matched corrected noise value and the second noise value is less than a limit value. The matched corrected noise value and the second noise value can be the corrected noise value corresponding to the back pressure value collected at the same time and the second noise value corresponding to the input current. The limit value can be a fixed value, such as 1dB, 2dB or 3dB, etc., which is not limited in this embodiment.

[0097] In an optional implementation of this embodiment, if it is determined that each corrected noise value and each second noise value meet the preset limiting conditions, the display noise value corresponding to each corrected noise value and each second noise value can be further determined, and the display noise value can be displayed in real time on the noise display panel of the target range hood.

[0098] The displayed noise value can be the average of each corrected noise value and each second noise value. In this embodiment, the average or median of each corrected noise value can be determined first, and the average or median can be determined as the target corrected noise value. Then, the average or median of each second noise value can be determined, and the average or median can be determined as the target second noise value. Further, the calculation result of (target corrected noise value + target second noise value) / 2 is determined as the displayed noise value, and the displayed noise value is displayed in real time on the noise display panel of the target range hood.

[0099] The technical solution of this embodiment obtains at least one back pressure value of the target range hood and determines a first noise value corresponding to each back pressure value; determines the operating noise value of the target range hood and corrects the operating noise value using the first noise value to obtain a corrected noise value; obtains at least one input current of the target range hood and determines a second noise value corresponding to each input current; and, when the corrected noise value and the second noise value satisfy preset limiting conditions, determines a display noise value corresponding to the corrected noise value and the second noise value, and displays the display noise value in real time on the noise display panel of the target range hood. This solves the problem that existing solutions are difficult to determine and display the noise of the range hood in real time and accurately, and achieves real-time and accurate determination and display of the determined noise, thus improving the user experience.

[0100] Example 2

[0101] Figure 2 This is a flowchart of another noise display method provided according to Embodiment 2 of the present invention. This embodiment is a further refinement of the above-described technical solutions, and the technical solutions in this embodiment can be combined with the various optional solutions in one or more of the above embodiments. Figure 2 As shown, the noise display method may include the following steps:

[0102] Step 210: Obtain at least one back pressure value of the target range hood, and determine the first noise value corresponding to each back pressure value.

[0103] Step 220: Determine the operating noise value of the target range hood, and correct the operating noise value using the first noise value to obtain the corrected noise value.

[0104] Step 230: Obtain at least one input current of the target range hood, and determine the second noise value corresponding to each input current.

[0105] Step 240: If it is determined that the corrected noise value and the second noise value do not meet the preset limit conditions, continue to determine a preset number of corrected noise values ​​and second noise values; until it is determined that each corrected noise value and each second noise value meet the preset limit conditions.

[0106] The preset quantity can be 10, 20, or 30, etc., and is not limited in this embodiment.

[0107] In one optional implementation of this embodiment, after determining each corrected noise value and each second noise value through periodic determination, if it is determined that each corrected noise value and each second noise value do not meet the preset restriction conditions, multiple corrected noise values ​​and second noise values ​​can be determined, and it can be further determined whether the newly determined corrected noise values ​​and second noise values ​​meet the preset restriction conditions. If they meet the restrictions, a new display noise value is determined based on the newly determined corrected noise values ​​and second noise values, and the new display noise value is displayed. If they do not meet the restrictions, the operation of determining multiple corrected noise values ​​and second noise values ​​continues.

[0108] In an optional implementation of this embodiment, m back voltage values ​​and m input currents are collected to determine m corrected noise values ​​and m second noise values ​​respectively (the process of determining the corrected noise values ​​and second noise values ​​has been described in this embodiment and will not be repeated here, as it is not a limitation of this embodiment); in this embodiment, the root mean square of these m corrected noise values ​​and m second noise values ​​can be calculated using the following formula to obtain the calculation result;

[0109]

[0110] Where X1 is the root mean square calculation result of m corrected noise values ​​and m second noise values; m is the number of corrected noise values ​​and second noise values, which can be 10, 20, or 30, etc., and is not limited in this embodiment; S i3 For each corrected noise value; S i2 These are the second noise values.

[0111] Furthermore, it can be determined whether X1(S3-S2) is less than the limit value; if so, the displayed noise value is calculated according to the following formula: (S3+S2) / 2, and the calculation result is displayed; otherwise, continue to take 2m corrected noise values ​​and the second noise value, and calculate X2, and determine whether X2(S5-S4) is less than the limit value, where X2 is the root mean square calculation result of 2m corrected noise values ​​and 2m second noise values; if so, the displayed noise value is calculated according to the following formula: (S5+S4) / 2, and the calculation result is displayed. The result is displayed; otherwise, 4m corrected noise values ​​and the second noise value are taken and X3 is calculated until X3(S7-S6) is less than the limit value. Here, X3 is the root mean square result of 4m corrected noise values ​​and 4m second noise values. In this embodiment, S3 is the mean of m corrected noise values; S2 is the mean of m second noise values; S5 is the mean of 2m corrected noise values; S4 is the mean of 2m second noise values; S7 is the mean of 4m corrected noise values; and S6 is the mean of 4m second noise values.

[0112] In a specific example of this embodiment, 10 back pressure values ​​and 10 input currents are collected to determine 10 corrected noise values ​​and 10 second noise values ​​respectively; the root mean square of these 10 corrected noise values ​​and 10 second noise values ​​is calculated using the above formula to obtain the calculation result (that is, replace m in the above formula with 10).

[0113] Further, check if X1(S3-S2) is less than the limit value, where X1 is the root mean square result of 10 corrected noise values ​​and 10 second noise values; if yes, calculate and display the noise value according to the following formula: (S3+S2) / 2, and display the result; otherwise, continue to take 20 corrected noise values ​​and second noise values, and calculate X2, then determine if X2(S5-S4) is less than the limit value, where X2 is the root mean square result of 20 corrected noise values ​​and 20 second noise values; if yes, calculate and display the noise value according to the following formula: (S5+S2) / 2, (S3 ... S4) / 2, and display the calculation result; otherwise, continue to take 40 corrected noise values ​​and second noise values, and calculate X3, until it is determined that X3(S7-S6) is less than the limit value, where X3 is the root mean square calculation result of 40 corrected noise values ​​and 40 second noise values; in this example, S3 is the mean of 10 corrected noise values; S2 is the mean of 10 second noise values; S5 is the mean of 20 corrected noise values; S4 is the mean of 20 second noise values; S7 is the mean of 40 corrected noise values; S6 is the mean of 40 second noise values.

[0114] To better understand the noise display method involved in this embodiment, Figure 3This is a flowchart of another noise display method provided according to Embodiment 2 of the present invention, see reference. Figure 3 It mainly includes the following steps:

[0115] Step 300: Monitor and obtain the back pressure value F;

[0116] Step 301: Determine the air volume Q1 corresponding to the back pressure value F;

[0117] Step 302: Determine the first noise value S1 corresponding to the air volume Q1;

[0118] Step 310: Determine the operating noise value S2 of the target range hood;

[0119] Step 311: Correct the working noise value S2 using the first noise value S1 to obtain the corrected noise value S3;

[0120] Step 320: Monitor and obtain the input current I1;

[0121] Step 321: Determine the rotational speed N1 corresponding to the input current I1;

[0122] Step 322: Determine the air volume Q2 corresponding to the rotational speed N1;

[0123] Step 323: Determine the second noise value S4 corresponding to the air volume Q2;

[0124] Step 330: Determine whether X1(S3-S4) is less than the limit value Limt;

[0125] Where X1 is the root mean square calculation result of the corrected noise value and the second noise value;

[0126] If so, proceed to step 331;

[0127] Otherwise, proceed to step 340;

[0128] Step 331: Determine the display noise value S 显1 And display;

[0129] Step 340: Continue to acquire m corrected noise values ​​S5 and the second noise value S6;

[0130] Where m can be a value such as 10, 20 or 30, and this embodiment does not limit it.

[0131] Step 350: Determine whether X2(S5-S6) is less than the limit value Limt;

[0132] Where X2 is the root mean square calculation result of m corrected noise values ​​and m second noise values; if so, proceed to step 351;

[0133] Otherwise, proceed to step 360;

[0134] Step 351: Determine the display noise value S 显2 And display;

[0135] Step 360: Continue to acquire 2m corrected noise values ​​S7 and the second noise value S8;

[0136] Step 370: Determine whether X3(S7-S8) is less than the limit value Limt;

[0137] Where X3 is the root mean square calculation result of 2m corrected noise values ​​and 2m second noise values;

[0138] If so, proceed to step 371;

[0139] Otherwise, proceed to step 372;

[0140] Step 371: Determine the display noise value S 显3 And display;

[0141] Step 372: Continue to acquire 4m corrected noise values ​​S9 and the second noise value S 10 Until X4(S9-S) is determined 10 The value must be less than the limit value Limt;

[0142] X4 represents the root mean square calculation results of 4m corrected noise values ​​and 4m second noise values.

[0143] In this embodiment, the limit value Limt can be set according to the corresponding national standard value, which can be 0.5dB, 1dB, 2dB or 3dB, etc., and is not limited in this embodiment.

[0144] The solution in this embodiment obtains relevant noise data by detecting back pressure, noise, and monitoring input current of the range hood. By determining the limit value, the accuracy of the overall noise is improved. This solves the problem of difficulty in determining and displaying the noise of the range hood in real time and accurately. It enables the real-time and accurate determination and display of the noise of the range hood, thus improving the user experience.

[0145] Example 3

[0146] Figure 4 This is a schematic diagram of a noise display device according to Embodiment 3 of the present invention. Figure 4 As shown, the device includes: a first noise value determination module 410, a corrected noise value determination module 420, a second noise value determination module 430, and a noise value display module 440.

[0147] The first noise value determination module 410 is used to obtain at least one back pressure value of the target range hood and determine the first noise value corresponding to each back pressure value.

[0148] The noise value determination module 420 is used to determine the operating noise value of the target range hood, and to correct the operating noise value using the first noise value to obtain the corrected noise value;

[0149] The second noise value determination module 430 is used to acquire at least one input current of the target range hood and determine the second noise value corresponding to each input current.

[0150] The noise value display module 440 is used to determine the display noise value corresponding to the corrected noise value and the second noise value when it is determined that the corrected noise value and the second noise value meet the preset limit conditions, and to display the display noise value in real time on the noise display panel of the target range hood.

[0151] In this embodiment, the solution involves: a first noise value determination module 410 acquiring at least one back pressure value of the target range hood and determining a first noise value corresponding to each back pressure value; a corrected noise value determination module 420 determining the operating noise value of the target range hood and correcting the operating noise value using the first noise value to obtain a corrected noise value; a second noise value determination module 430 acquiring at least one input current of the target range hood and determining a second noise value corresponding to each input current; and a noise value display module 440 determining a display noise value corresponding to both the corrected noise value and the second noise value when the corrected noise value and the second noise value meet preset constraints, and displaying the display noise value in real time on the noise display panel of the target range hood. This solution solves the problem of difficulty in determining and displaying the noise of the range hood in real time and accurately, achieving real-time and accurate determination and display of the determined noise, thus improving the user experience.

[0152] In an optional implementation of this embodiment, the first noise value determination module 410 is specifically used to monitor the target back pressure value generated during the operation of the target range hood through the back pressure monitoring device installed in the target range hood;

[0153] Determine the back pressure-airflow curve and the airflow-noise curve respectively;

[0154] Determine the target back pressure value from the back pressure-airflow curve, and determine the target airflow corresponding to the target back pressure value;

[0155] Determine the target air volume from the air volume-noise curve, and determine the target noise value corresponding to the target air volume;

[0156] The target noise value is determined as the first noise value.

[0157] In an optional implementation of this embodiment, the noise value determination module 420 is specifically used to obtain the noise value generated by the target range hood at the moment of obtaining the target back pressure value through a noise detection device deployed in the target range hood;

[0158] The noise level is determined as the operating noise level of the target range hood.

[0159] In an optional implementation of this embodiment, the working noise value is corrected using a first noise value to obtain a corrected noise value, including:

[0160] The mean square value is determined based on the first noise value and the operating noise value.

[0161] The corrected noise value is determined based on the mean square value and the limit value;

[0162] The limit value is 0.5dB.

[0163] In an optional implementation of this embodiment, the second noise value determination module 430 is specifically used to acquire the target input current and determine the target speed of the fan system of the target range hood corresponding to the target input current;

[0164] Determine the target air volume corresponding to the target rotation speed, and determine the second noise value corresponding to the target air volume based on the air volume-noise curve.

[0165] In an optional implementation of this embodiment, the noise value display module 440 is specifically used to determine the average of the corrected noise value and the second noise value;

[0166] The mean value is determined as the display noise value.

[0167] In an optional implementation of this embodiment, the noise value display module 440 is specifically used to determine a preset number of corrected noise values ​​and a second noise value when it is determined that the corrected noise value and the second noise value do not meet the preset limiting conditions.

[0168] This continues until it is determined that each corrected noise value and each second noise value meet the preset constraints.

[0169] The noise display device provided in this embodiment of the invention can execute the noise display method provided in any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the method.

[0170] Example 4

[0171] Figure 5A schematic diagram of the processing system 10 of a range hood, which can be used to implement embodiments of the present invention, is shown. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the embodiments of the present invention described and / or claimed herein.

[0172] like Figure 5 As shown, the range hood's processing system 10 includes at least one processor 11 and a memory, such as a read-only memory (ROM) 12 or a random access memory (RAM) 13, communicatively connected to the at least one processor 11. The memory stores computer programs executable by the at least one processor. The processor 11 can perform various appropriate actions and processes based on the computer programs stored in the ROM 12 or loaded from storage unit 18 into the RAM 13. The RAM 13 can also store various programs and data required for the operation of the range hood's processing system 10. The processor 11, ROM 12, and RAM 13 are interconnected via a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0173] Multiple components in the range hood's processing system 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, optical disk, etc.; and a communication unit 19, such as a network card, modem, wireless transceiver, etc. The communication unit 19 allows the range hood's processing system 10 to exchange information / data with other devices through computer networks such as the Internet and / or various telecommunications networks.

[0174] Processor 11 can be a variety of general-purpose and / or special-purpose processing components with processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special-purpose artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any suitable processor, controller, microcontroller, etc. Processor 11 performs the various methods and processes described above, such as noise display methods.

[0175] In some embodiments, the noise display method may be implemented as a computer program tangibly contained in a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded into and / or installed on the processing system 10 of the range hood via ROM 12 and / or communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the noise display method described above may be performed. Alternatively, in other embodiments, processor 11 may be configured to perform the noise display method by any other suitable means (e.g., by means of firmware).

[0176] Various embodiments of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), application-specific standard products (ASSPs), systems-on-a-chip (SoCs), payload-programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments may include implementations in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which may be a dedicated or general-purpose programmable processor, capable of receiving data and instructions from a storage system, at least one input device, and at least one output device, and transmitting data and instructions to the storage system, the at least one input device, and the at least one output device.

[0177] Computer programs for implementing the methods of embodiments of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing apparatus, such that when executed by the processor, the computer programs cause the functions / operations specified in the flowcharts and / or block diagrams to be implemented. The computer programs may be executed entirely on a machine, partially on a machine, or as a standalone software package, partially on a machine and partially on a remote machine, or entirely on a remote machine or server.

[0178] In the context of embodiments of the present invention, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in conjunction with an instruction execution system, apparatus, or device. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. More specific examples of machine-readable storage media include electrical connections based on one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fibers, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

[0179] To provide user interaction, the systems and techniques described herein can be implemented on the processing system of a range hood, which includes: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and pointing device (e.g., a mouse or trackball) through which the user provides input to the range hood's processing system. Other types of devices can also be used to provide user interaction; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including sound input, voice input, or tactile input).

[0180] The systems and technologies described herein can be implemented in computing systems that include backend components (e.g., as data servers), or computing systems that include middleware components (e.g., application servers), or computing systems that include frontend components (e.g., user computers with graphical user interfaces or web browsers through which users can interact with implementations of the systems and technologies described herein), or any combination of such backend, middleware, or frontend components. The components of the system can be interconnected via digital data communication of any form or medium (e.g., communication networks). Examples of communication networks include local area networks (LANs), wide area networks (WANs), blockchain networks, and the Internet.

[0181] A computing system can include clients and servers. Clients and servers are generally located far apart and typically interact through communication networks. The client-server relationship is created by computer programs running on the respective computers and having a client-server relationship with each other. The server can be a cloud server, also known as a cloud computing server or cloud host, which is a hosting product within the cloud computing service system to address the shortcomings of traditional physical hosts and VPS services, such as high management difficulty and weak business scalability.

[0182] It should be understood that the various forms of processes shown above can be used to reorder, add, or delete steps. For example, the steps described in the embodiments of the present invention can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution of the embodiments of the present invention can be achieved, and this document does not impose any restrictions.

[0183] The specific embodiments described above do not constitute a limitation on the scope of protection of the embodiments of the present invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the embodiments of the present invention should be included within the scope of protection of the embodiments of the present invention.

Claims

1. A noise display method, characterized in that, include: Obtain at least one back pressure value of the target range hood, and determine a first noise value corresponding to each of the back pressure values; The operating noise value of the target range hood is determined, and the operating noise value is corrected using the first noise value to obtain a corrected noise value; At least one input current of the target range hood is obtained, and a second noise value corresponding to each input current is determined respectively; If the corrected noise value and the second noise value meet the preset limiting conditions, the display noise value corresponding to the corrected noise value and the second noise value is determined, and the display noise value is displayed in real time on the noise display panel of the target range hood. The first noise value is determined by the back pressure-airflow curve and the airflow-noise curve. The second noise value is determined based on the fan speed and air volume-noise curve corresponding to the input current; The preset limitation condition is: the difference between the corrected noise value and the second noise value does not exceed the limitation value; The displayed noise value is the average of the corrected noise value and the second noise value.

2. The method according to claim 1, characterized in that, The step of obtaining at least one back pressure value of the target range hood and determining a first noise value corresponding to each back pressure value includes: The target back pressure value generated during the operation of the target range hood is obtained by monitoring the back pressure monitoring device installed in the target range hood. Determine the back pressure-airflow curve and the airflow-noise curve respectively; The target back pressure value is determined from the back pressure-airflow curve, and the target airflow corresponding to the target back pressure value is determined. The target air volume is determined from the air volume-noise curve, and the target noise value corresponding to the target air volume is determined. The target noise value is determined as the first noise value.

3. The method according to claim 1, characterized in that, Determining the operating noise value of the target range hood includes: The noise value generated by the target range hood at the moment of acquiring the target back pressure value is obtained by using a noise detection device deployed in the target range hood. The noise value is determined as the operating noise value of the target range hood.

4. The method according to claim 1, characterized in that, The step of correcting the operating noise value using the first noise value to obtain a corrected noise value includes: The mean square value is determined based on the first noise value and the operating noise value; The corrected noise value is determined based on the mean square value and the limit value; The limit value is 0.5 dB.

5. The method according to claim 1, characterized in that, The step of acquiring at least one input current of the target range hood and determining a second noise value corresponding to each input current includes: Obtain the target input current and determine the target rotational speed of the fan system of the target range hood corresponding to the target input current; Determine the target air volume corresponding to the target rotation speed, and determine the second noise value corresponding to the target air volume based on the air volume-noise curve.

6. The method according to claim 1, characterized in that, Determining the display noise value corresponding to the corrected noise value and the second noise value includes: Determine the mean of the corrected noise value and the second noise value; The mean value is determined as the display noise value.

7. The method according to claim 1, characterized in that, The noise display method further includes: If it is determined that the corrected noise value and the second noise value do not meet the preset limiting conditions, a preset number of corrected noise values ​​and the second noise value are determined. This continues until it is determined that each of the corrected noise values ​​and each of the second noise values ​​meet the preset limiting conditions.

8. A noise display device, characterized in that, include: The first noise value determination module is used to obtain at least one back pressure value of the target range hood and determine the first noise value corresponding to each back pressure value. The noise value correction determination module is used to determine the operating noise value of the target range hood, and correct the operating noise value using the first noise value to obtain a corrected noise value; The second noise value determination module is used to acquire at least one input current of the target range hood and determine the second noise value corresponding to each input current. The noise value display module is used to determine a display noise value corresponding to the corrected noise value and the second noise value when it is determined that the corrected noise value and the second noise value meet the preset limiting conditions, and to display the display noise value in real time on the noise display panel of the target range hood; The first noise value is determined by the back pressure-airflow curve and the airflow-noise curve. The second noise value is determined based on the fan speed and air volume-noise curve corresponding to the input current; The preset limitation condition is: the difference between the corrected noise value and the second noise value does not exceed the limitation value; The displayed noise value is the average of the corrected noise value and the second noise value.

9. A range hood, characterized in that, The range hood includes: At least one processor; and A memory communicatively connected to the at least one processor; wherein, The memory stores a computer program that can be executed by the at least one processor, the computer program being executed by the at least one processor to enable the at least one processor to perform the noise display method according to any one of claims 1-7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions that, when executed by a processor, implement the noise display method according to any one of claims 1-7.

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