A method and device for centralized smoke evacuation

Abstract

The present disclosure relates to a centralized smoke exhaust method and device applied to a Chinese and Western kitchen centralized smoke exhaust system. The method comprises: in response to a smoke exhaust starting instruction corresponding to a target object, opening a damper corresponding to the smoke exhaust starting instruction to a preset damper angle; obtaining current Western kitchen air volume information corresponding to a target Western kitchen pipeline based on an air volume measurement module; adjusting a smoke exhaust component corresponding to the smoke exhaust starting instruction based on the current Western kitchen air volume information; the smoke exhaust component corresponding to the smoke exhaust starting instruction comprises the damper corresponding to the smoke exhaust starting instruction, or the damper corresponding to the smoke exhaust starting instruction and an outdoor fan in the Chinese and Western kitchen centralized smoke exhaust system. By using the embodiments of the present disclosure, the accuracy of air volume adjustment can be improved on the basis of reducing the noise impact on users, and thus the smoke exhaust effect of the centralized smoke exhaust system is improved.

Description

Technical Field

[0001] This disclosure relates to the field of centralized smoke exhaust systems, and in particular to a centralized smoke exhaust method and apparatus. Background Technology

[0002] As living standards continue to improve, a second cooking scenario outside the kitchen is gradually emerging, such as hot pot or barbecue in the living room, which requires a smoke extraction system in the living room as well. Currently, the proportion of western-style kitchens in some high-end residences is also increasing, and some also install range hoods and other smoke extraction equipment; the aforementioned western-style kitchen can refer to a second cooking scenario outside the kitchen.

[0003] Since there's no dedicated exhaust duct in the living room, most kitchens use internal recirculation, with fumes being filtered before being directly discharged indoors. This places high demands on the fume purification equipment. Furthermore, the living room environment generally places high demands on equipment noise levels; conventional motorized range hoods inevitably generate some noise, potentially affecting the user's living experience. Currently, installing a high-powered outdoor fan on the roof and using a non-powered fume collection hood indoors can significantly reduce indoor range hood noise. However, precisely adjusting the airflow between Chinese and Western kitchens remains a major challenge. Summary of the Invention

[0004] In view of the aforementioned technical problems, this disclosure proposes a centralized smoke exhaust method and device.

[0005] According to one aspect of the present disclosure, a centralized smoke extraction method is provided, applied to a centralized smoke extraction system for both Chinese and Western kitchens. The centralized smoke extraction system for both Chinese and Western kitchens includes a target Western kitchen duct corresponding to a target object and an airflow measurement module disposed within the target Western kitchen duct. The method includes:

[0006] In response to the smoke exhaust start command corresponding to the target object, the air valve corresponding to the smoke exhaust start command is opened to a preset air valve angle;

[0007] Based on the air volume measurement module, the current air volume information of the target western kitchen duct is obtained;

[0008] Based on the current airflow information of the western kitchen, adjust the smoke exhaust component corresponding to the smoke exhaust start command; the smoke exhaust component corresponding to the smoke exhaust start command includes the air valve corresponding to the smoke exhaust start command, or the air valve corresponding to the smoke exhaust start command and the outdoor fan in the central smoke exhaust system of the western and central kitchens.

[0009] Optionally, adjusting the smoke extraction component corresponding to the smoke extraction start command based on the current western kitchen airflow information includes:

[0010] If the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes a western kitchen smoke collection hood, the current western kitchen air volume information and the preset western kitchen air volume range are compared and processed to obtain a first comparison result;

[0011] If the first comparison result indicates that the current kitchen air volume information does not meet the preset kitchen air volume range, the first smoke exhaust assembly is adjusted; the first smoke exhaust assembly includes at least one of the kitchen duct damper corresponding to the target kitchen duct and the outdoor fan.

[0012] Optionally, adjusting the first smoke extraction component when the first comparison result indicates that the current Western kitchen airflow information does not meet the preset Western kitchen airflow range includes:

[0013] If the first comparison result indicates that the current Western kitchen air volume information is greater than the preset Western kitchen air volume range, the Western kitchen duct damper is controlled to reduce the preset angle, and the process jumps to the air volume measurement module to obtain the current Western kitchen air volume information corresponding to the target Western kitchen duct.

[0014] If the first comparison result indicates that the current western kitchen air volume information is less than the preset western kitchen air volume range, and the first air valve angle corresponding to the western kitchen duct air valve is the preset air valve angle, control the outdoor fan to increase the preset speed, and jump to the current western kitchen air volume information corresponding to the target western kitchen duct based on the air volume measurement module;

[0015] If the first comparison result indicates that the current Western kitchen air volume information is less than the preset Western kitchen air volume range, and the first air valve angle is not equal to the preset air valve angle, the Western kitchen duct air valve is controlled to increase the preset angle, and the process jumps to the air volume measurement module to obtain the current Western kitchen air volume information corresponding to the target Western kitchen duct.

[0016] Optionally, the step of adjusting the smoke extraction component corresponding to the smoke extraction start command based on the current western kitchen air volume information further includes:

[0017] If the first comparison result indicates that the current Western kitchen air volume information meets the preset Western kitchen air volume range, and the start-up smoke collection hood corresponding to the smoke exhaust start command includes the Chinese kitchen smoke collection hood, then based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, a cross-sectional air volume analysis is performed on the target Chinese kitchen pipe corresponding to the target object to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen pipe.

[0018] The pressure difference information of the first kitchen is compared with the preset pressure difference range to obtain a second comparison result.

[0019] If the second comparison result indicates that the first kitchen pressure difference information does not meet the preset pressure difference range, the second smoke exhaust assembly is adjusted; the second smoke exhaust assembly includes at least one of the kitchen duct damper corresponding to the target kitchen duct and the outdoor fan.

[0020] Optionally, adjusting the second smoke exhaust assembly when the second comparison result indicates that the first kitchen pressure difference information does not meet the preset pressure difference range includes:

[0021] If the second comparison result indicates that the first kitchen pressure difference information is less than the preset pressure difference range, the kitchen duct damper is controlled to reduce the preset angle, and the process jumps to the cross-sectional airflow analysis of the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow, to obtain the first kitchen pressure difference information corresponding to the target kitchen duct.

[0022] If the second comparison result indicates that the first kitchen pressure difference information is greater than the preset pressure difference range, and the angle of the second air valve corresponding to the kitchen duct air valve is not equal to the preset air valve angle, control the kitchen duct air valve to increase the preset angle, and jump to the step of performing cross-sectional airflow analysis on the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow, to obtain the first kitchen pressure difference information corresponding to the target kitchen duct;

[0023] If the second comparison result indicates that the pressure difference information of the first kitchen is greater than the preset pressure difference range, and the angle of the second air valve is the preset air valve angle, the outdoor fan is controlled to increase the preset speed, and the process jumps to the air volume measurement module to obtain the current air volume information of the target kitchen duct.

[0024] Optionally, the step of opening the air valve corresponding to the smoke exhaust start command to a preset air valve angle in response to the smoke exhaust start command corresponding to the target object includes:

[0025] In response to the smoke exhaust start command corresponding to the target object, the kitchen duct damper is opened to the preset damper angle;

[0026] When the first comparison result indicates that the current Western kitchen airflow information meets the preset Western kitchen airflow range, and the start-up fume hood corresponding to the smoke extraction start-up command includes a Chinese kitchen fume hood, based on the current Western kitchen airflow information and the preset Chinese kitchen airflow, a cross-sectional airflow analysis is performed on the target Chinese kitchen duct corresponding to the target object to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct, including:

[0027] If the first comparison result indicates that the current Western kitchen air volume information meets the preset Western kitchen air volume range, and the start-up smoke collection hood corresponding to the smoke exhaust start command includes the Chinese kitchen smoke collection hood, the Chinese kitchen duct damper is opened to the preset damper angle, and based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, the cross-sectional air volume analysis of the target Chinese kitchen duct is performed to obtain the first Chinese kitchen pressure difference information.

[0028] Optionally, adjusting the smoke extraction component corresponding to the smoke extraction start command based on the current western kitchen airflow information includes:

[0029] When the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes a Chinese kitchen smoke collection hood, based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, the cross-sectional air volume analysis is performed on the target Chinese kitchen duct corresponding to the target object to obtain the second Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct;

[0030] The pressure difference information of the second kitchen is compared with the preset pressure difference range to obtain a third comparison result;

[0031] If the third comparison result indicates that the second kitchen pressure difference information does not meet the preset pressure difference range, the third smoke exhaust assembly is adjusted; the third smoke exhaust assembly includes at least one of the kitchen duct damper corresponding to the target kitchen duct and the outdoor fan.

[0032] Optionally, adjusting the third smoke exhaust assembly when the third comparison result indicates that the differential pressure information of the second kitchen does not meet the preset differential pressure range includes:

[0033] If the third comparison result indicates that the second kitchen pressure difference information is less than the preset pressure difference range, the kitchen duct damper is controlled to reduce the preset angle, and the process jumps to the cross-sectional airflow analysis of the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow, to obtain the second kitchen pressure difference information corresponding to the target kitchen duct.

[0034] If the third comparison result indicates that the second kitchen pressure difference information is greater than the preset pressure difference range, and the angle of the second air valve corresponding to the kitchen duct air valve is not equal to the preset air valve angle, the kitchen duct air valve is controlled to increase the preset angle, and the process jumps to the step of performing cross-sectional airflow analysis on the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow, to obtain the second kitchen pressure difference information corresponding to the target kitchen duct;

[0035] If the third comparison result indicates that the differential pressure information of the second kitchen is greater than the preset differential pressure range, and the angle of the second air valve is the preset air valve angle, the outdoor fan is controlled to increase the preset speed.

[0036] Optionally, the current western kitchen airflow information includes the current western kitchen cross-sectional static pressure and the current western kitchen cross-sectional airflow. The step of performing cross-sectional airflow analysis on the target western kitchen duct corresponding to the target object, based on the current western kitchen airflow information and the preset western kitchen airflow, to obtain the second western kitchen pressure difference information corresponding to the target western kitchen duct, includes:

[0037] Based on the current static pressure of the western kitchen section, the current air volume of the western kitchen section, and the preset air volume of the central kitchen, a static pressure analysis of the section of the target central kitchen duct is performed to obtain the current static pressure of the central kitchen section corresponding to the target central kitchen duct.

[0038] Based on the second air valve angle corresponding to the target kitchen duct, the current static pressure of the kitchen section, and the preset kitchen air volume, a cross-sectional pressure difference analysis is performed on the target kitchen duct to obtain the second kitchen pressure difference information.

[0039] Optionally, the method further includes:

[0040] Obtain the floor information of at least one activated fume hood corresponding to an activated object, and the air volume information of the western kitchen corresponding to the activated object;

[0041] Based on the floor information of the object and the air volume information of the western kitchen of the object, adjust the activated smoke exhaust component corresponding to the activated object; the activated smoke exhaust component includes at least one activated smoke collection hood and at least one of the outdoor fan.

[0042] Optionally, the method further includes:

[0043] If the air volume information of the western kitchen meets the preset air volume conditions, obtain the angle of the opened air valve;

[0044] If the angles of the opened air valves are not the preset air valve angles, reduce the speed of the outdoor fan.

[0045] According to another aspect of the present disclosure, a centralized smoke exhaust device is provided. The device is installed in a centralized smoke exhaust system for both Chinese and Western kitchens. The centralized smoke exhaust system includes a target Western kitchen duct corresponding to a target object and an airflow measurement module installed within the target Western kitchen duct. The device includes:

[0046] The first air valve opening module is used to respond to the smoke exhaust start command corresponding to the target object and open the air valve corresponding to the smoke exhaust start command to a preset air valve angle.

[0047] The air volume acquisition module is used to acquire the current air volume information of the target western kitchen duct based on the air volume measurement module;

[0048] The component adjustment module is used to adjust the smoke exhaust component corresponding to the smoke exhaust start command based on the current air volume information of the western kitchen; the smoke exhaust component corresponding to the smoke exhaust start command includes the air valve corresponding to the smoke exhaust start command, or the air valve corresponding to the smoke exhaust start command and the outdoor fan in the central smoke exhaust system of the western and central kitchens.

[0049] According to another aspect of the present disclosure, an electronic device is provided, comprising: a processor; and a memory for storing processor-executable instructions; wherein the processor is configured to execute the instructions to implement the above-described centralized smoke extraction method.

[0050] According to another aspect of the present disclosure, a computer-readable storage medium is provided, which, when the instructions in the storage medium are executed by a processor of an electronic device, enables the electronic device to perform the above-described centralized smoke extraction method.

[0051] The technical solutions provided by the embodiments of this disclosure have at least the following beneficial effects:

[0052] By responding to the smoke exhaust start command corresponding to the target object, the corresponding air valve is opened to a preset air valve angle. Based on the air volume measurement module installed in the target kitchen duct, the current air volume information of the target kitchen duct is obtained. This can significantly reduce the possibility of failure of the air volume measurement module in a long-term oil fume environment. Combined with the current kitchen air volume information, the smoke exhaust components corresponding to the smoke exhaust start command are adjusted. The smoke exhaust components corresponding to the smoke exhaust start command include the air valve corresponding to the smoke exhaust start command, or the air valve corresponding to the smoke exhaust start command and the outdoor fan in the centralized smoke exhaust system of Chinese and Western kitchens. This can improve the accuracy of air volume adjustment while reducing the noise impact on users, thereby improving the smoke exhaust effect of the centralized smoke exhaust system.

[0053] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0054] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure, and are not intended to unduly limit this disclosure.

[0055] Figure 1 This is a block diagram illustrating a centralized smoke extraction system for both Chinese and Western kitchens according to an exemplary embodiment;

[0056] Figure 2This is a flowchart illustrating a centralized smoke extraction method according to an exemplary embodiment;

[0057] Figure 3 This is a block diagram illustrating a centralized smoke extraction device according to an exemplary embodiment;

[0058] Figure 4 This is a block diagram illustrating an electronic device for controlling the smoke exhaust of a centralized smoke exhaust system in Chinese and Western kitchens, according to an exemplary embodiment.

[0059] Figure 5 This is a block diagram illustrating another electronic device for controlling the smoke exhaust of a centralized smoke exhaust system in Chinese and Western kitchens, according to an exemplary embodiment. Detailed Implementation

[0060] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0061] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0062] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented without certain specific details. In some instances, methods, means, components, and circuits well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0063] Please see Figure 1 , Figure 1 This is a block diagram illustrating a centralized smoke extraction system for both Chinese and Western kitchens, according to an exemplary embodiment. Figure 1As shown, the centralized smoke extraction system for both Chinese and Western kitchens can include an outdoor fan 1 mounted on the roof, a common smoke duct 2, a fireproof backflow preventer 3 installed on the common smoke duct, an indoor connecting pipe 4, a Chinese kitchen duct damper 5, a Chinese kitchen smoke hood without an indoor fan 6, an airflow measurement module 7 installed in the Western kitchen duct, a controller 8 above the ceiling, a Western kitchen duct damper 9, and a Western kitchen smoke hood 10. Here, the Chinese kitchen duct damper 5 can refer to a damper installed within the Chinese kitchen duct; the Chinese kitchen duct can refer to the pipe located between the connecting pipe 4 and the Chinese kitchen smoke hood; the Western kitchen duct damper 9 can refer to a damper installed within the Western kitchen duct; and the Western kitchen duct can refer to the pipe located between the connecting pipe 4 and the Western kitchen smoke hood. The fumes from any user's Chinese kitchen can be exhausted into the common flue 2 through the user's Chinese kitchen fume hood 6; the user's Chinese kitchen duct damper 5 can be installed inside the Chinese kitchen duct, and the air volume in the Chinese kitchen duct can be controlled by changing the damper angle; the fumes from any user's Western kitchen can be exhausted into the common flue 2 through the user's Western kitchen fume hood 10; the user's Western kitchen duct damper 9 can be installed inside the Western kitchen duct, and the air volume in the Western kitchen duct can be controlled by changing the damper angle. The outdoor fan 1 can be used to exhaust the fumes in the common flue 2 to the outside.

[0064] Please see Figure 2 , Figure 2 This is a flowchart illustrating a centralized smoke extraction method according to an exemplary embodiment. For example... Figure 2 As shown, this centralized smoke extraction method can be applied to centralized smoke extraction systems for both Chinese and Western kitchens. The centralized smoke extraction system can include a target Western kitchen duct corresponding to the target object and an airflow measurement module installed within the target Western kitchen duct. Specifically, it can include the following steps:

[0065] S201: In response to the smoke exhaust start command corresponding to the target object, open the air valve corresponding to the smoke exhaust start command to the preset air valve angle.

[0066] In one specific embodiment, the target object can refer to the object currently activating smoke extraction; specifically, the target object can be any one of at least one smoke extraction user on any floor. The target western kitchen duct can refer to the western kitchen duct corresponding to the target object in the centralized smoke extraction system for both western and central kitchens. The target central kitchen duct can refer to the central kitchen duct corresponding to the target object in the centralized smoke extraction system for both western and central kitchens.

[0067] In one specific embodiment, the smoke extraction start command can be used to instruct the air valve of the smoke collection hood that needs to be opened. The smoke extraction start command may include a smoke collection hood activation indicator. Specifically, the smoke collection hood activation indicator in the smoke extraction start command can be used to indicate the smoke collection hood corresponding to the air valve that currently needs to be opened for smoke extraction. The smoke collection hood activation indicator may include a Western-style kitchen smoke collection hood indicator or a Chinese-style kitchen smoke collection hood indicator.

[0068] In one specific embodiment, the preset damper angle can be in the range of 85° to 90°. Optionally, the preset damper angle can be 90°.

[0069] In one specific embodiment, when smoke extraction is required, a smoke extraction start command corresponding to the target object can be generated by operating the control panel and sent to the controller of the centralized smoke extraction system for both Chinese and Western kitchens. Correspondingly, upon receiving the smoke extraction start command for the target object, the controller can control the corresponding air valve to open to a preset air valve angle. Specifically, if the smoke extraction start command corresponds to a Chinese kitchen smoke hood, the controller can control the corresponding Chinese kitchen duct air valve to open to a preset air valve angle; if the smoke extraction start command corresponds to a Western kitchen smoke hood, the controller can control the corresponding Western kitchen duct air valve to open to a preset air valve angle. Here, the Chinese kitchen duct air valve corresponding to the target Chinese kitchen duct can refer to an air valve installed within the target Chinese kitchen duct; the Western kitchen duct air valve corresponding to the target Western kitchen duct can refer to an air valve installed within the target Western kitchen duct.

[0070] S203: Based on the air volume measurement module, obtain the current air volume information of the target western kitchen duct.

[0071] In one specific embodiment, the airflow measurement module can be used to measure the airflow information of a cross-section at its location. This airflow information characterizes the air circulation within the kitchen ductwork; it can include static pressure, dynamic pressure, or airflow at the kitchen cross-section. Specifically, the airflow measurement module can include a flow meter; the flow meter can include two cross-shaped sampling structures, each with unequally spaced pressure sampling orifices; the sampling structure on the windward side of the flow meter can collect the total pressure value of the kitchen cross-section, and the sampling structure on the leeward side can collect the static pressure value; there is no flow between the two sampling structures. Correspondingly, the difference between the total pressure value and the static pressure value of the kitchen cross-section can be processed to obtain the dynamic pressure; combining this dynamic pressure with the dynamic pressure yields the airflow of the kitchen cross-section. Furthermore, the airflow of the kitchen cross-section can be obtained using the following formula:

[0072] Q n2 =K·sqrt(P dj3 )

[0073] Among them, Q n2 P represents the cross-sectional air volume of the western-style kitchen. dj3 The dynamic pressure of the western kitchen section is denoted by K; K is a preset parameter. Specifically, K can be set according to actual application needs, and this disclosure does not limit it.

[0074] In one specific embodiment, the current kitchen airflow information can refer to the airflow information at any cross-section within the kitchen duct. The current kitchen airflow information may include the static pressure, dynamic pressure, or airflow at the current kitchen cross-section.

[0075] In a specific embodiment, the current total pressure value and the current static pressure value of the western kitchen section can be collected by the aforementioned air volume measurement module. The difference between the current total pressure value and the current static pressure value of the western kitchen section can be processed to obtain the current dynamic pressure of the western kitchen section. Combined with the current dynamic pressure of the western kitchen section, the current air volume of the western kitchen section can be obtained. Accordingly, the current air volume information of the target western kitchen duct can be obtained.

[0076] In the above embodiments, by installing an airflow measurement module within the target kitchen duct, the current airflow information corresponding to the target kitchen duct can be obtained. This significantly reduces the possibility of the airflow measurement module failing in a long-term oil fume environment, avoids complex airflow calculation processes, and eliminates inaccurate airflow adjustment caused by poor duct airtightness or highly complex kitchen duct layouts. It is understood that because the concentration of oil fumes in a kitchen is relatively low and the usage frequency is infrequent, the impact on the airflow measurement module is minimal, and it will not fail due to prolonged exposure to oil fume.

[0077] S205: Based on the current airflow information of the western kitchen, adjust the smoke exhaust component corresponding to the smoke exhaust start command.

[0078] In one specific embodiment, the smoke extraction component corresponding to the smoke extraction start command may include a damper corresponding to the smoke extraction start command, or a damper corresponding to the smoke extraction start command and an outdoor fan in the centralized smoke extraction system for both Western and Chinese kitchens. Specifically, the damper corresponding to the smoke extraction start command may include at least one of the Western kitchen duct damper and the Chinese kitchen duct damper corresponding to the aforementioned target object. Specifically, if the smoke extraction start command corresponds to a Chinese kitchen smoke hood, the damper corresponding to the smoke extraction start command may include the Chinese kitchen duct damper corresponding to the aforementioned target object; if the smoke extraction start command corresponds to a Western kitchen smoke hood, the damper corresponding to the smoke extraction start command may include the Western kitchen duct damper corresponding to the aforementioned target object.

[0079] In one specific embodiment, step S205 above may include:

[0080] When the start-up command for smoke extraction includes a smoke collection hood for the western kitchen, the current air volume information of the western kitchen and the preset air volume range of the western kitchen are compared and processed to obtain the first comparison result.

[0081] If the first comparison result indicates that the current air volume information of the western kitchen does not meet the preset air volume range of the western kitchen, adjust the first smoke exhaust component.

[0082] In one specific embodiment, the preset air volume range for the western kitchen can be set according to actual application needs, and this disclosure does not limit it.

[0083] In one specific embodiment, the first comparison result can be used to indicate the relationship between the current kitchen airflow information and the preset kitchen airflow range. Specifically, if the current kitchen airflow information falls within the preset kitchen airflow range, it can be determined that the current kitchen airflow information meets the preset kitchen airflow range; if the current kitchen airflow information does not fall within the preset kitchen airflow range, it can be determined that the current kitchen airflow information does not meet the preset kitchen airflow range.

[0084] In one specific embodiment, the first smoke exhaust assembly may include at least one of a kitchen duct damper corresponding to the target kitchen duct and an outdoor fan.

[0085] In a specific embodiment, adjusting the first smoke exhaust component when the first comparison result indicates that the current Western kitchen air volume information does not meet the preset Western kitchen air volume range may include:

[0086] If the first comparison result indicates that the current air volume information of the western kitchen is greater than the preset western kitchen air volume range, the western kitchen duct damper is controlled to reduce the preset angle, and the process jumps to the air volume measurement module to obtain the current western kitchen air volume information corresponding to the target western kitchen duct.

[0087] If the first comparison result indicates that the current air volume information of the western kitchen is less than the preset western kitchen air volume range, and the first air valve angle corresponding to the western kitchen duct air valve is the preset air valve angle, the outdoor fan is controlled to increase the preset speed and jump to the air volume measurement module to obtain the current western kitchen air volume information corresponding to the target western kitchen duct.

[0088] If the first comparison result indicates that the current kitchen air volume is less than the preset kitchen air volume range and the first air valve angle is not equal to the preset air valve angle, the kitchen duct air valve is controlled to increase the preset angle, and the process jumps to the air volume measurement module to obtain the current kitchen air volume information corresponding to the target kitchen duct.

[0089] In one specific embodiment, the preset airflow range for a western-style kitchen can include a preset maximum airflow and a preset minimum airflow. The preset angle can be set according to actual application needs; specifically, the preset angle can range from 0.1° to 0.5°; optionally, the preset angle can be 0.2°.

[0090] In one specific embodiment, if the current kitchen airflow information exceeds a preset maximum airflow within a preset kitchen airflow range, the kitchen duct damper corresponding to the target kitchen duct can be controlled to decrease its preset angle, and the process can proceed to the step of obtaining the current kitchen airflow information corresponding to the target kitchen duct based on the airflow measurement module. Specifically, when proceeding to the step of obtaining the current kitchen airflow information corresponding to the target kitchen duct based on the airflow measurement module, the current kitchen airflow information can be re-obtained based on the airflow measurement module, and correspondingly, the first smoke exhaust assembly can be adjusted based on the re-obtained current kitchen airflow information.

[0091] In a specific embodiment, the first air valve angle may refer to the current air valve angle of the kitchen duct air valve corresponding to the target object.

[0092] In a specific embodiment, when the current air volume information of the western kitchen is less than the preset minimum air volume, the current angle of the western kitchen duct damper corresponding to the above-mentioned target object can be detected, and the first damper angle can be obtained accordingly.

[0093] In one specific embodiment, the preset speed can be set according to the actual application requirements. Specifically, the preset speed can range from 3 to 7 rpm; optionally, the preset speed can be 5 rpm.

[0094] In a specific embodiment, if the current air volume information of the western kitchen is less than the preset minimum air volume, and the first air valve angle corresponding to the western kitchen duct air valve is the preset air valve angle, the outdoor fan can be controlled to increase the preset speed, and jump to the above-mentioned step of obtaining the current western kitchen air volume information corresponding to the target western kitchen duct based on the air volume measurement module.

[0095] In a specific embodiment, if the current western kitchen air volume information is less than the preset minimum air volume, and the first air valve angle corresponding to the western kitchen duct air valve is not equal to the preset air valve angle, the western kitchen duct air valve corresponding to the target western kitchen duct can be controlled to increase the preset angle, and jump to the above-mentioned step of obtaining the current western kitchen air volume information corresponding to the target western kitchen duct based on the air volume measurement module.

[0096] In a specific embodiment, if the first comparison result indicates that the current air volume information of the western kitchen meets the preset air volume range of the western kitchen, and the start-up smoke collection hood corresponding to the smoke exhaust start command does not include the smoke collection hood of the central kitchen, the outdoor fan can be controlled to maintain the current speed, the western kitchen duct air valve can be kept at the current air valve angle, and correspondingly, the central kitchen duct air valve can be kept in the closed state.

[0097] In one specific embodiment, step S205 may further include:

[0098] If the first comparison result indicates that the current Western kitchen air volume information meets the preset Western kitchen air volume range, and the start-up smoke collection hood corresponding to the smoke exhaust start command includes the Chinese kitchen smoke collection hood, then based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, the cross-sectional air volume analysis is performed on the target Chinese kitchen duct corresponding to the target object to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct.

[0099] The pressure difference information of the first kitchen is compared with the preset pressure difference range to obtain the second comparison result;

[0100] If the second comparison result indicates that the pressure difference information of the first kitchen does not meet the preset pressure difference range, adjust the second smoke exhaust component.

[0101] In one specific embodiment, the first kitchen pressure difference information can characterize the pressure difference corresponding to any current cross-section in the target kitchen pipeline.

[0102] In one specific embodiment, the preset kitchen air volume can characterize the target air volume of the target kitchen duct. The target air volume can refer to the desired air volume to be adjusted.

[0103] In a specific embodiment, based on the current static pressure, current airflow, and preset airflow of the western kitchen section in the current western kitchen airflow information, a static pressure analysis of the target central kitchen duct can be performed to obtain the current static pressure of the target central kitchen duct. Then, based on the second damper angle corresponding to the target central kitchen duct, the current static pressure of the central kitchen section, and the preset airflow of the central kitchen, a differential pressure analysis of the target central kitchen duct can be performed to obtain the aforementioned first differential pressure information of the central kitchen. Here, the second damper angle can refer to the current damper angle of the central kitchen duct damper corresponding to the target object. Specifically, the current static pressure of the central kitchen section can be obtained using the following formula:

[0104] P jN4 =P jN3 -[(b1-a1)·Q n1 ·Q n1 +(b²-a²)·Q n2 ·Q n1 +(b3-a3)·Q n2 ·Q n2 ]

[0105] Among them, P jN4 The static pressure at the current cross-section of the central kitchen; P jN3 Q represents the static pressure of the current western kitchen section; n1 The preset air volume for the central kitchen is defined as b1, a1, b2, a2, b3, and a3. Specifically, b1, a1, b2, a2, b3, and a3 can be set according to actual application needs, and this disclosure does not impose any limitations.

[0106] Furthermore, the differential pressure information of the first kitchen can be obtained through the following formula:

[0107] M1 = P jN4 +k1e k2(90-θ) ·(ρ[Q n1 / S] 2 / 2)+k 烟 ·Q n1 ·Q n1

[0108] Where M1 represents the differential pressure information of the first kitchen; P jN4 The static pressure at the current kitchen cross-section is θ; the angle of the second air valve is Q. n1 ρ is the preset air volume for the Chinese kitchen; S is the preset air density; k1 and k2 are preset parameters; k 烟 , where k1 and k2 are the preset resistance coefficients of the smoke hood. Specifically, k1 and k2 can be set according to actual application needs, and this disclosure does not limit them.

[0109] In one specific embodiment, the second comparison result can be used to indicate the magnitude relationship between the first kitchen pressure difference information and the preset pressure difference range.

[0110] In one specific embodiment, the preset differential pressure range may include a preset maximum differential pressure and a preset minimum differential pressure. Specifically, the preset differential pressure range can be set according to actual application needs. Optionally, the preset differential pressure range can be [-3Pa, 3Pa].

[0111] In one specific embodiment, the second smoke exhaust assembly may include at least one of a kitchen duct damper corresponding to the target kitchen duct and an outdoor fan.

[0112] In a specific embodiment, adjusting the second smoke exhaust assembly when the second comparison result indicates that the first kitchen pressure difference information does not meet the preset pressure difference range may include:

[0113] If the second comparison result indicates that the pressure difference information of the first kitchen is less than the preset pressure difference range, the air valve of the kitchen duct is controlled to reduce the preset angle, and the process jumps to the cross-sectional air volume analysis of the target kitchen duct corresponding to the target object based on the current air volume information of the western kitchen and the preset air volume of the kitchen, so as to obtain the pressure difference information of the first kitchen corresponding to the target kitchen duct.

[0114] If the second comparison result indicates that the pressure difference information of the first kitchen is greater than the preset pressure difference range, and the angle of the second air valve corresponding to the air valve of the kitchen duct is not equal to the preset air valve angle, the air valve of the kitchen duct is controlled to increase the preset angle, and the process is switched to perform cross-sectional air volume analysis on the target kitchen duct corresponding to the target object based on the current air volume information of the western kitchen and the preset air volume of the kitchen, so as to obtain the pressure difference information of the first kitchen corresponding to the target kitchen duct.

[0115] If the second comparison result indicates that the pressure difference information of the first kitchen is greater than the preset pressure difference range, and the angle of the second air valve is the preset air valve angle, the outdoor fan is controlled to increase the preset speed, and the process is switched to the air volume measurement module to obtain the current air volume information of the target western kitchen duct.

[0116] In a specific embodiment, when the first kitchen pressure difference information is less than the preset minimum pressure difference, the air valve of the kitchen duct corresponding to the target object can be controlled to reduce the preset angle, and jump to the above steps of performing cross-sectional airflow analysis on the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow to obtain the first kitchen pressure difference information corresponding to the target kitchen duct.

[0117] In a specific embodiment, when the first kitchen pressure difference information is greater than the preset maximum pressure difference, the current angle of the kitchen duct damper corresponding to the target object can be detected, and the angle of the second damper can be obtained accordingly.

[0118] In a specific embodiment, if the first kitchen pressure difference information is greater than the preset maximum pressure difference, and the angle of the second air valve corresponding to the target object is not equal to the preset air valve angle, the air valve of the kitchen duct corresponding to the target object can be controlled to increase the preset angle, and jump to the above step of performing cross-sectional airflow analysis on the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow to obtain the first kitchen pressure difference information corresponding to the target kitchen duct.

[0119] In a specific embodiment, when the second comparison result indicates that the pressure difference information of the first kitchen is greater than the preset maximum pressure difference, and the second air valve angle corresponding to the target object is the preset air valve angle, the outdoor fan is controlled to increase the preset speed, and the process jumps to the step of obtaining the current western kitchen air volume information corresponding to the target western kitchen duct based on the air volume measurement module.

[0120] In a specific embodiment, when the smoke extraction start command corresponds to the start of a smoke collection hood including a Chinese kitchen smoke collection hood and a Western kitchen smoke collection hood, the above step S201 may include:

[0121] In response to the smoke exhaust start command corresponding to the target object, the kitchen duct damper is opened to the preset damper angle;

[0122] Accordingly, when the first comparison result indicates that the current Western kitchen airflow information meets the preset Western kitchen airflow range, and the start-up fume hood corresponding to the smoke extraction start-up command includes the Chinese kitchen fume hood, based on the current Western kitchen airflow information and the preset Chinese kitchen airflow, a cross-sectional airflow analysis is performed on the target Chinese kitchen duct corresponding to the target object to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct, which may include:

[0123] If the first comparison result indicates that the current air volume information of the western kitchen meets the preset air volume range of the western kitchen, and the start-up smoke collection hood corresponding to the smoke exhaust start command includes the smoke collection hood of the central kitchen, the air valve of the central kitchen duct is opened to the preset air valve angle, and based on the current air volume information of the western kitchen and the preset air volume of the central kitchen, the cross-sectional air volume analysis of the target central kitchen duct is performed to obtain the first central kitchen pressure difference information.

[0124] In a specific embodiment, when the smoke extraction start command corresponds to both a Chinese kitchen smoke extraction hood and a Western kitchen smoke extraction hood, the Western kitchen duct damper corresponding to the target object can be opened to a preset damper angle in response to the smoke extraction start command for the target object. Correspondingly, when the current Western kitchen airflow information meets the preset Western kitchen airflow range by adjusting the first smoke extraction component, the Chinese kitchen duct damper corresponding to the target object can be opened to the preset damper angle. Then, based on the current Western kitchen airflow information and the preset Chinese kitchen airflow, a cross-sectional airflow analysis of the target Chinese kitchen duct can be performed to obtain the first Chinese kitchen pressure difference information.

[0125] In a specific embodiment, if the smoke collection hood corresponding to the smoke exhaust start command includes a Chinese kitchen smoke collection hood and a Western kitchen smoke collection hood, the above step S201 may further include: in response to the smoke exhaust start command corresponding to the target object, opening both the Western kitchen duct damper and the Chinese kitchen duct damper to a preset damper angle.

[0126] In one specific embodiment, step S205 above may include:

[0127] When the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes the Chinese kitchen smoke collection hood, based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, the cross-sectional air volume analysis of the target Chinese kitchen duct corresponding to the target object is performed to obtain the second Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct.

[0128] The pressure difference information of the second kitchen is compared with the preset pressure difference range to obtain the third comparison result;

[0129] If the third comparison result indicates that the differential pressure information of the second kitchen does not meet the preset differential pressure range, adjust the third smoke exhaust component.

[0130] In a specific embodiment, the second kitchen pressure difference information corresponding to the target kitchen pipe can characterize the pressure difference corresponding to any current cross-section in the target kitchen pipe.

[0131] In a specific embodiment, where the current western kitchen airflow information includes the current western kitchen cross-sectional static pressure and the current western kitchen cross-sectional airflow, the above-mentioned cross-sectional airflow analysis of the target central kitchen duct corresponding to the target object, based on the current western kitchen airflow information and the preset central kitchen airflow, to obtain the second central kitchen pressure difference information corresponding to the target central kitchen duct, may include:

[0132] Based on the current static pressure of the western kitchen section, the current air volume of the western kitchen section, and the preset air volume of the central kitchen, a static pressure analysis of the section of the target central kitchen duct is performed to obtain the current static pressure of the central kitchen section corresponding to the target central kitchen duct.

[0133] Based on the angle of the second air valve corresponding to the target kitchen duct, the current static pressure of the kitchen section, and the preset kitchen air volume, a cross-sectional pressure difference analysis is performed on the target kitchen duct to obtain the second kitchen pressure difference information.

[0134] In a specific embodiment, the static pressure of the current central kitchen section can be obtained by the following formula:

[0135] P jN4 =P jN3 -[(b1-a1)·Q n1 ·Q n1 +(b²-a²)·Q n2 ·Q n1 +(b3-a3)·Q n2 ·Q n2 ]

[0136] Among them, P jN4 The static pressure at the current cross-section of the central kitchen; P jN3 Q represents the static pressure of the current western kitchen section; n1 The preset air volume for the central kitchen is defined as b1, a1, b2, a2, b3, and a3. Specifically, b1, a1, b2, a2, b3, and a3 can be set according to actual application needs, and this disclosure does not impose any limitations.

[0137] In a specific embodiment, the differential pressure information of the second kitchen can be obtained by the following formula:

[0138] M2 = P jN4 +k1e k2(90-θ) ·(ρ[Q n1 / S] 2 / 2)+k 烟 ·Q n1 ·Q n1

[0139] Where M2 represents the differential pressure information of the second kitchen; P jN4 The static pressure at the current kitchen cross-section is θ; the angle of the second air valve is Q. n1 ρ is the preset air volume for the Chinese kitchen; S is the preset air density; k1 and k2 are preset parameters; k 烟 , where k1 and k2 are the preset resistance coefficients of the smoke hood. Specifically, k1 and k2 can be set according to actual application needs, and this disclosure does not limit them.

[0140] In the above embodiments, by performing cross-sectional static pressure analysis on the target Chinese kitchen duct based on the current static pressure of the western kitchen section, the current air volume of the western kitchen section, and the preset air volume of the Chinese kitchen, the current static pressure of the Chinese kitchen section corresponding to the target Chinese kitchen duct is obtained. Combined with the angle of the second air valve corresponding to the target Chinese kitchen duct, the current static pressure of the Chinese kitchen section, and the preset air volume of the Chinese kitchen, cross-sectional differential pressure analysis is performed on the target Chinese kitchen duct to obtain the second Chinese kitchen differential pressure information. This eliminates the need to install an air volume measurement module in the Chinese kitchen duct, avoids the long-term oil fume environment in the Chinese kitchen duct from affecting the service life of the air volume measurement module, and reduces costs.

[0141] In one specific embodiment, the third comparison result can be used to indicate the magnitude relationship between the second kitchen pressure difference information and the preset pressure difference range.

[0142] In one specific embodiment, the third smoke exhaust assembly may include at least one of the kitchen duct damper corresponding to the target kitchen duct and an outdoor fan.

[0143] In a specific embodiment, when the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes the Chinese kitchen smoke collection hood but not the Western kitchen smoke collection hood, the cross-sectional airflow of the target Chinese kitchen duct corresponding to the target object can be analyzed based on the current Western kitchen airflow information and the preset Chinese kitchen airflow to obtain the second Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct; the second Chinese kitchen pressure difference information and the preset pressure difference range are compared to obtain a third comparison result; if the third comparison result indicates that the second Chinese kitchen pressure difference information does not meet the preset pressure difference range, the third smoke exhaust component can be adjusted to make the second Chinese kitchen pressure difference information meet the preset pressure difference range.

[0144] In a specific embodiment, adjusting the third smoke exhaust assembly when the third comparison result indicates that the differential pressure information of the second kitchen does not meet the preset differential pressure range may include:

[0145] If the third comparison result indicates that the pressure difference information of the second kitchen is less than the preset pressure difference range, the air valve of the kitchen duct is controlled to reduce the preset angle, and the process jumps to the cross-sectional air volume analysis of the target kitchen duct corresponding to the target object based on the current air volume information of the western kitchen and the preset air volume of the kitchen, so as to obtain the pressure difference information of the second kitchen corresponding to the target kitchen duct.

[0146] If the third comparison result indicates that the second kitchen pressure difference information is greater than the preset pressure difference range, and the angle of the second air valve corresponding to the kitchen duct air valve is not equal to the preset air valve angle, control the kitchen duct air valve to increase the preset angle, and jump to perform cross-sectional air volume analysis on the target kitchen duct corresponding to the target object based on the current western kitchen air volume information and the preset kitchen air volume, to obtain the second kitchen pressure difference information corresponding to the target kitchen duct.

[0147] If the third comparison result indicates that the differential pressure information of the second kitchen is greater than the preset differential pressure range, and the angle of the second air valve is the preset air valve angle, the outdoor fan is controlled to increase the preset speed.

[0148] In a specific embodiment, when the second kitchen pressure difference information is less than the preset minimum pressure difference, the air valve of the kitchen duct corresponding to the target object is controlled to reduce the preset angle, and the process jumps to the above-mentioned step of performing cross-sectional airflow analysis on the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow to obtain the second kitchen pressure difference information corresponding to the target kitchen duct.

[0149] In a specific embodiment, when the differential pressure information of the second kitchen is greater than the preset maximum differential pressure, the current angle of the air valve in the kitchen duct corresponding to the target object can be detected, and the angle of the second air valve can be obtained accordingly.

[0150] In a specific embodiment, if the second kitchen pressure difference information is greater than the preset maximum pressure difference and the angle of the second air valve corresponding to the target object is not equal to the preset air valve angle, the air valve of the kitchen duct corresponding to the target object can be controlled to increase the preset angle, and jump to the above-mentioned step of performing cross-sectional airflow analysis on the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow to obtain the second kitchen pressure difference information corresponding to the target kitchen duct.

[0151] In one specific embodiment, when the differential pressure information of the second kitchen is greater than the preset maximum differential pressure and the angle of the second air valve corresponding to the target object is the preset air valve angle, the outdoor fan can be controlled to increase the preset speed.

[0152] In one specific embodiment, if the third comparison result indicates that the differential pressure information of the second kitchen does not meet the preset differential pressure range, the third smoke exhaust component can be adjusted until the differential pressure information of the second kitchen meets the preset differential pressure range, so as to maintain the current speed of the outdoor fan.

[0153] In a specific embodiment, if the third comparison result indicates that the differential pressure information of the second kitchen does not meet the preset differential pressure range, the third smoke exhaust component can be adjusted until the differential pressure information of the second kitchen meets the preset differential pressure range; if the differential pressure information of the second kitchen meets the preset differential pressure range, the angle of the opened air valve can be obtained; if none of the angles of the opened air valves are preset air valve angles, the outdoor fan can be controlled to reduce the preset speed; correspondingly, if the preset air valve angle exists among the angles of the opened air valves, the current speed of the outdoor fan can be maintained.

[0154] In the above embodiment, the airflow measurement module in the western kitchen duct obtains the current airflow information corresponding to the target western kitchen duct. Combined with this current airflow information, a closed-loop control is formed with the exhaust system. This eliminates the impact of the complex installation environment of the western kitchen and reduces restrictions on the duct layout (such as length, number of bends, and diameter). It is understandable that since western kitchens are generally far from the common kitchen exhaust duct, the ducts are relatively long and have many bends.

[0155] In one specific embodiment, the above method may further include:

[0156] Obtain the floor information of at least one activated fume hood corresponding to an activated object, and the air volume information of the western kitchen corresponding to the activated object;

[0157] Based on the floor information and the air volume information of the western kitchen of the object, adjust the smoke exhaust components corresponding to the objects that have been turned on.

[0158] In one specific embodiment, at least one activated fume hood can refer to a fume hood that is activated for fume extraction in the centralized fume extraction system for both Chinese and Western kitchens. An activated object can refer to an object that is activated for fume extraction in the centralized fume extraction system for both Chinese and Western kitchens. Specifically, an activated object can include at least one object in the centralized fume extraction system for both Chinese and Western kitchens.

[0159] In one specific embodiment, object floor information can represent the floor where each of the activated objects is located. Object floor information can include the floor information corresponding to each of the activated objects.

[0160] In a specific embodiment, the kitchen air volume information corresponding to the activated object can refer to the kitchen air volume information corresponding to each object in the activated object.

[0161] In one specific embodiment, the activated smoke exhaust assembly may include at least one of an activated smoke hood and an outdoor fan.

[0162] In one specific embodiment, the controller can adjust the activated smoke exhaust components corresponding to the activated objects sequentially according to the floor information, from highest to lowest floor. Specifically, based on the floor information, the adjustment order corresponding to the activated objects can be determined, and based on the above adjustment order, the smoke exhaust components corresponding to each activated object can be adjusted sequentially until the air volume information of the western kitchen corresponding to each activated object meets the preset air volume conditions. For example, assuming object A on the 10th floor has both its Chinese kitchen fume hood and Western kitchen fume hood turned on, object B on the 15th floor has its Chinese kitchen fume hood turned on, and object C on the 20th floor has its Western kitchen fume hood turned on, we can first obtain the Western kitchen airflow information corresponding to object C. We can then adjust the first exhaust component corresponding to object C to ensure that the Western kitchen airflow of object C meets the preset Western kitchen airflow range. If the Western kitchen airflow of object C meets the preset range, we can adjust the second exhaust component corresponding to object C to ensure that the pressure difference in the Chinese kitchen of object C meets the preset pressure difference range. If the pressure difference information in the Chinese kitchen of object C meets the preset pressure difference range, we can obtain the Western kitchen airflow information of object B. Based on the above information for object B... The Western kitchen airflow information determines the pressure difference information of the central kitchen for object B. The second exhaust component corresponding to object B is adjusted to ensure the pressure difference information of the central kitchen for object B meets a preset pressure difference range. If the pressure difference information of the central kitchen for object B meets the preset pressure difference range, the Western kitchen airflow information for object A can be obtained. The first exhaust component corresponding to object A is adjusted to ensure the Western kitchen airflow for object A meets a preset Western kitchen airflow range. If the Western kitchen airflow for object A meets the preset Western kitchen airflow range, the process is repeated in the order of "object C - object B - object A" until the Western kitchen airflow information for each of the activated objects meets the preset airflow conditions. The preset airflow conditions include, when the fume hoods (including the Western kitchen fume hood) are activated, the Western kitchen airflow meets the preset airflow range, and when the fume hoods (including the central kitchen fume hood) are activated, the pressure difference information of the central kitchen determined based on the Western kitchen airflow meets the preset pressure difference range. It is understandable that, if the Western kitchen airflow information of each object in the activated objects meets the preset airflow conditions, the Western kitchen airflow of the object in the activated objects that activates the Western kitchen meets the preset Western kitchen airflow range, and the Chinese kitchen airflow of the object in the activated objects that activates the Chinese kitchen meets the preset Chinese kitchen airflow range.

[0163] In one specific embodiment, the above method may further include:

[0164] If the air volume information of the western kitchen meets the preset air volume conditions, obtain the angle of the opened air valve;

[0165] If the angles of the opened air valves are not the preset air valve angles, reduce the speed of the outdoor fan.

[0166] In one specific embodiment, the preset air volume condition may include, when the fume hood is turned on, including the fume hood for the western kitchen, the air volume in the western kitchen meets the preset air volume range, and when the fume hood is turned on, including the fume hood for the central kitchen, the pressure difference information of the central kitchen determined based on the air volume in the western kitchen meets the preset pressure difference range.

[0167] In one specific embodiment, the angle of the opened damper can refer to the damper angle of the opened fume hood corresponding to the opened object. The angle of the opened damper can include at least one damper angle corresponding to each of the opened objects. It is understood that when the fume hoods of the Western kitchen and the Chinese kitchen are opened by any object, the at least one damper angle corresponding to that object can include the damper angle of the Western kitchen and the damper angle of the Chinese kitchen corresponding to that object.

[0168] In one specific embodiment, if any of the opened air valve angles is a preset air valve angle, the current air valve angle can be maintained, and the outdoor fan can be kept running at the current speed.

[0169] In one specific embodiment, if the angles of all opened dampers are not at the preset damper angles, the outdoor fan speed can be reduced. Specifically, the outdoor fan can periodically obtain the damper angles of each currently operating floor to determine if there is a damper angle of 90°. If all angles are less than 90°, it can be determined that the outdoor fan speed is too high, and the outdoor fan energy consumption can be reduced by decreasing the outdoor fan speed.

[0170] In the above embodiments, by responding to the smoke exhaust start command corresponding to the target object, the air valve corresponding to the smoke exhaust start command is opened to a preset air valve angle. Based on the air volume measurement module installed in the target kitchen duct, the current kitchen air volume information corresponding to the target kitchen duct is obtained. This can significantly reduce the possibility of failure of the air volume measurement module in a long-term oil fume environment. Combined with the current kitchen air volume information, the smoke exhaust component corresponding to the smoke exhaust start command is adjusted. The smoke exhaust component corresponding to the smoke exhaust start command includes the air valve corresponding to the smoke exhaust start command, or the air valve corresponding to the smoke exhaust start command and the outdoor fan in the centralized smoke exhaust system of the kitchen. This can improve the accuracy of air volume adjustment while reducing the noise impact on users, thereby improving the smoke exhaust effect of the centralized smoke exhaust system.

[0171] Figure 3 This is a block diagram illustrating a centralized smoke extraction device according to an exemplary embodiment. Figure 3 As shown, the device may include:

[0172] The first air valve opening module 310 can be used to open the air valve corresponding to the smoke exhaust start command to a preset air valve angle in response to the smoke exhaust start command corresponding to the target object.

[0173] The air volume acquisition module 320 can be used to acquire the current air volume information of the target kitchen duct based on the air volume measurement module;

[0174] The component adjustment module 330 can be used to adjust the smoke exhaust component corresponding to the smoke exhaust start command based on the current air volume information of the western kitchen. The smoke exhaust component corresponding to the smoke exhaust start command includes the air valve corresponding to the smoke exhaust start command, or the air valve corresponding to the smoke exhaust start command and the outdoor fan in the centralized smoke exhaust system of the western and central kitchens.

[0175] In one specific embodiment, the component adjustment module 330 described above may include:

[0176] The first comparison module can be used to compare the current Western kitchen air volume information with the preset Western kitchen air volume range when the start-up smoke collection hood corresponding to the smoke exhaust start command includes a Western kitchen smoke collection hood, and obtain the first comparison result.

[0177] The first component adjustment module can be used to adjust the first smoke exhaust component when the first comparison result indicates that the current Western kitchen air volume information does not meet the preset Western kitchen air volume range; the first smoke exhaust component includes at least one of the Western kitchen duct damper corresponding to the target Western kitchen duct and the outdoor fan.

[0178] In one specific embodiment, the first component adjustment module described above may include:

[0179] The first execution module can be used to control the air valve of the western kitchen duct to reduce the preset angle and jump to the air volume measurement module to obtain the current western kitchen air volume information corresponding to the target western kitchen duct when the first comparison result indicates that the current western kitchen air volume information is greater than the preset western kitchen air volume range.

[0180] The second execution module can be used to control the outdoor fan to increase the preset speed and jump to the air volume measurement module to obtain the current air volume information of the target western kitchen duct when the first comparison result indicates that the current western kitchen air volume information is less than the preset western kitchen air volume range and the first air valve angle corresponding to the western kitchen duct air valve is the preset air valve angle.

[0181] The third execution module can be used to control the air valve of the western kitchen duct to increase the preset angle and jump to the air volume measurement module to obtain the current western kitchen air volume information corresponding to the target western kitchen duct when the first comparison result indicates that the current western kitchen air volume information is less than the preset western kitchen air volume range and the first air valve angle is not equal to the preset air valve angle.

[0182] In one specific embodiment, the component adjustment module 330 may further include:

[0183] The first air volume analysis module can be used to perform cross-sectional air volume analysis on the target Chinese kitchen duct corresponding to the target object based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, when the first comparison result indicates that the current Western kitchen air volume information meets the preset Western kitchen air volume range and the start-up smoke collection hood corresponding to the smoke exhaust start command includes the Chinese kitchen smoke collection hood, so as to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct.

[0184] The second comparison module can be used to compare the pressure difference information of the first kitchen with the preset pressure difference range to obtain the second comparison result;

[0185] The second component adjustment module can be used to adjust the second smoke exhaust component when the second comparison result indicates that the first kitchen pressure difference information does not meet the preset pressure difference range; the second smoke exhaust component includes at least one of the kitchen pipe damper corresponding to the target kitchen pipe and the outdoor fan.

[0186] In one specific embodiment, the second component adjustment module described above may include:

[0187] The fourth execution module can be used to control the air valve of the central kitchen duct to reduce the preset angle when the second comparison result indicates that the pressure difference information of the first central kitchen is less than the preset pressure difference range, and jump to the cross-sectional air volume analysis of the target central kitchen duct corresponding to the target object based on the current western kitchen air volume information and the preset central kitchen air volume, so as to obtain the first central kitchen pressure difference information corresponding to the target central kitchen duct.

[0188] The fifth execution module can be used to control the air valve of the central kitchen to increase the preset angle when the second comparison result indicates that the pressure difference information of the first central kitchen is greater than the preset pressure difference range, and the angle of the second air valve corresponding to the central kitchen duct air valve is not equal to the preset air valve angle. Then, it can jump to the cross-sectional air volume analysis of the target central kitchen duct corresponding to the target object based on the current western kitchen air volume information and the preset central kitchen air volume, and obtain the pressure difference information of the first central kitchen corresponding to the target central kitchen duct.

[0189] The sixth execution module can be used to control the outdoor fan to increase the preset speed and jump to the air volume measurement module to obtain the current air volume information of the target western kitchen duct when the second comparison result indicates that the pressure difference information of the first central kitchen is greater than the preset pressure difference range and the angle of the second air valve is the preset air valve angle.

[0190] In one specific embodiment, the first air valve opening module 310 described above may include:

[0191] The second air valve opening module can be used to open the kitchen duct air valve to a preset air valve angle in response to the smoke exhaust start command corresponding to the target object.

[0192] Accordingly, the aforementioned first airflow analysis module may include:

[0193] The third air valve opening module can be used to open the air valve of the Chinese kitchen duct to a preset air valve angle when the first comparison result indicates that the current air volume information of the Western kitchen meets the preset air volume range of the Western kitchen, and the start-up smoke collection hood corresponding to the smoke exhaust start command includes the smoke collection hood of the Chinese kitchen. Based on the current air volume information of the Western kitchen and the preset air volume of the Chinese kitchen, the module performs cross-sectional air volume analysis on the target Chinese kitchen duct to obtain the first Chinese kitchen pressure difference information.

[0194] In one specific embodiment, the component adjustment module 330 described above may include:

[0195] The second air volume analysis module can be used to perform cross-sectional air volume analysis on the target Chinese kitchen duct corresponding to the target object, based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, when the start-up smoke collection hood corresponding to the smoke exhaust start command includes the Chinese kitchen smoke collection hood, and obtain the second Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct.

[0196] The third comparison module can be used to compare the differential pressure information of the second kitchen with the preset differential pressure range to obtain the third comparison result;

[0197] The third component adjustment module can be used to adjust the third smoke exhaust component when the third comparison result indicates that the differential pressure information of the second kitchen does not meet the preset differential pressure range; the third smoke exhaust component includes at least one of the kitchen duct damper corresponding to the target kitchen duct and the outdoor fan.

[0198] In one specific embodiment, the third component adjustment module described above may include:

[0199] The seventh execution module can be used to control the air valve of the central kitchen duct to reduce the preset angle when the third comparison result indicates that the pressure difference information of the second central kitchen is less than the preset pressure difference range, and jump to perform cross-sectional air volume analysis on the target central kitchen duct corresponding to the target object based on the current western kitchen air volume information and the preset central kitchen air volume, so as to obtain the second central kitchen pressure difference information corresponding to the target central kitchen duct.

[0200] The eighth execution module can be used to control the air valve of the central kitchen to increase the preset angle when the third comparison result indicates that the pressure difference information of the second central kitchen is greater than the preset pressure difference range, and the angle of the second air valve corresponding to the central kitchen duct air valve is not equal to the preset air valve angle. Then, it can jump to the cross-sectional air volume analysis of the target central kitchen duct corresponding to the target object based on the current western kitchen air volume information and the preset central kitchen air volume, and obtain the pressure difference information of the second central kitchen corresponding to the target central kitchen duct.

[0201] The ninth execution module can be used to control the outdoor fan to increase the preset speed when the third comparison result indicates that the pressure difference information of the second kitchen is greater than the preset pressure difference range and the angle of the second air valve is the preset air valve angle.

[0202] In one specific embodiment, the second airflow analysis module described above may include:

[0203] The cross-sectional static pressure analysis module can be used to perform cross-sectional static pressure analysis on the target Chinese kitchen duct based on the current cross-sectional static pressure of the Western kitchen, the current cross-sectional air volume of the Western kitchen, and the preset air volume of the Chinese kitchen, so as to obtain the current cross-sectional static pressure of the target Chinese kitchen duct.

[0204] The cross-sectional differential pressure analysis module can be used to perform cross-sectional differential pressure analysis on the target kitchen duct based on the angle of the second air valve corresponding to the target kitchen duct, the current static pressure of the kitchen section, and the preset kitchen air volume, to obtain the second kitchen differential pressure information.

[0205] In one specific embodiment, the above-described apparatus may further include:

[0206] The information acquisition module can be used to acquire the floor information of at least one activated fume hood and the air volume information of the western kitchen corresponding to the activated fume hood.

[0207] The fourth component adjustment module can be used to adjust the activated smoke exhaust components corresponding to the activated objects based on the object floor information and the object western kitchen air volume information; the activated smoke exhaust components include at least one activated smoke collection hood and at least one outdoor fan.

[0208] In one specific embodiment, the above-described apparatus may further include:

[0209] The angle acquisition module can be used to obtain the angle of the opened air valve when the air volume information of the object's western kitchen meets the preset air volume conditions.

[0210] The tenth execution module can be used to reduce the speed of the outdoor fan when the angles of the opened air valves are not the preset air valve angles.

[0211] Regarding the apparatus in the above embodiments, the specific manner in which each module and unit performs its operations has been described in detail in the embodiments related to the method, and will not be elaborated upon here.

[0212] Figure 4 This is a block diagram illustrating an electronic device for controlling the smoke exhaust of a centralized smoke exhaust system in Chinese and Western kitchens, according to an exemplary embodiment. The electronic device may be a server, and its internal structure diagram may be as follows: Figure 4As shown, the electronic device includes a processor, memory, and a network interface connected via a system bus. The processor provides computing and control capabilities. The memory includes a non-volatile storage medium and internal memory. The non-volatile storage medium stores the operating system and computer programs. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium. The network interface is used to communicate with external terminals via a network connection. When the computer program is executed by the processor, it implements a centralized smoke extraction method.

[0213] Figure 5 This is a block diagram illustrating another electronic device for controlling the smoke exhaust of a centralized smoke exhaust system in Chinese and Western kitchens, according to an exemplary embodiment. The electronic device can be a terminal, and its internal structure diagram can be as follows: Figure 5 As shown, the electronic device includes a processor, memory, network interface, display screen, and input devices connected via a system bus. The processor provides computing and control capabilities. The memory includes a non-volatile storage medium and internal memory. The non-volatile storage medium stores the operating system and computer programs. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium. The network interface is used to communicate with external terminals via a network connection. When the computer program is executed by the processor, it implements a centralized smoke extraction method. The display screen can be a liquid crystal display (LCD) or an e-ink display. The input devices can be a touch layer covering the display screen, buttons, a trackball, or a touchpad mounted on the device's casing, or an external keyboard, touchpad, or mouse.

[0214] Those skilled in the art will understand that Figure 4 or Figure 5 The structure shown is merely a block diagram of a portion of the structure related to the present disclosure and does not constitute a limitation on the electronic device to which the present disclosure is applied. A specific electronic device may include more or fewer components than those shown in the figure, or combine certain components, or have different component arrangements.

[0215] In an exemplary embodiment, an electronic device is also provided, including: a processor; and a memory for storing processor-executable instructions; wherein the processor is configured to execute the instructions to implement the centralized smoke extraction method as described in the embodiments of this disclosure.

[0216] In an exemplary embodiment, a computer-readable storage medium is also provided, wherein when the instructions in the storage medium are executed by a processor of an electronic device, the electronic device is enabled to perform the centralized smoke extraction method of the present disclosure embodiments.

[0217] In an exemplary embodiment, a computer program product containing instructions is also provided, which, when run on a computer, causes the computer to perform the centralized smoke extraction method of the present disclosure embodiments.

[0218] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. This computer program can be stored in a non-volatile computer-readable storage medium. When executed, the computer program can include the processes of the embodiments of the above methods. Any references to memory, storage, databases, or other media used in the embodiments provided in this application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), RAMbus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and RAMbus dynamic RAM (RDRAM), etc.

[0219] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the following claims.

[0220] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.

Claims

1. A centralized smoke extraction method, characterized in that, An application to a centralized smoke extraction system for both Chinese and Western kitchens, the centralized smoke extraction system for both Chinese and Western kitchens includes a target Western kitchen duct corresponding to the target object and an air volume measurement module installed in the target Western kitchen duct, the method comprising: In response to the smoke exhaust start command corresponding to the target object, the air valve corresponding to the smoke exhaust start command is opened to a preset air valve angle; the target object is the object currently activating smoke exhaust, the target object is any one of at least one smoke exhaust user on any floor, the target western kitchen pipe is the western kitchen pipe corresponding to the target object in the centralized smoke exhaust system for both western and central kitchens; the western kitchen pipe is the pipe located between the connecting pipe and the western kitchen smoke collection hood; Based on the air volume measurement module, the current air volume information of the target western kitchen duct is obtained; Based on the current air volume information of the western kitchen, adjust the smoke exhaust component corresponding to the smoke exhaust start command; the smoke exhaust component corresponding to the smoke exhaust start command includes the air valve corresponding to the smoke exhaust start command, or the air valve corresponding to the smoke exhaust start command and the outdoor fan in the central smoke exhaust system of the western and central kitchens; The step of adjusting the smoke extraction component corresponding to the smoke extraction start command based on the current air volume information of the western kitchen includes: If the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes a western kitchen smoke collection hood, the current western kitchen air volume information and the preset western kitchen air volume range are compared and processed to obtain a first comparison result; If the first comparison result indicates that the current Western kitchen air volume information does not meet the preset Western kitchen air volume range, the first smoke exhaust component is adjusted; the first smoke exhaust component includes at least one of the Western kitchen duct damper corresponding to the target Western kitchen duct and the outdoor fan. The method of adjusting the smoke extraction component corresponding to the smoke extraction start command based on the current western kitchen air volume information further includes: If the first comparison result indicates that the current Western kitchen airflow information meets the preset Western kitchen airflow range, and the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes the Chinese kitchen smoke collection hood, then based on the current Western kitchen airflow information and the preset Chinese kitchen airflow, a cross-sectional airflow analysis is performed on the target Chinese kitchen duct corresponding to the target object to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct; the target Chinese kitchen duct is the Chinese kitchen duct corresponding to the target object in the centralized smoke exhaust system of Western and Chinese kitchens; the Chinese kitchen duct is the duct located between the connecting duct and the Chinese kitchen smoke collection hood; the first Chinese kitchen pressure difference information represents the pressure difference corresponding to any current cross-section in the target Chinese kitchen duct; the preset Chinese kitchen airflow represents the target airflow of the target Chinese kitchen duct; the target airflow is the airflow to be adjusted to; The pressure difference information of the first kitchen is compared with the preset pressure difference range to obtain a second comparison result. If the second comparison result indicates that the first kitchen pressure difference information does not meet the preset pressure difference range, the second smoke exhaust assembly is adjusted; the second smoke exhaust assembly includes at least one of the kitchen duct damper corresponding to the target kitchen duct and the outdoor fan.

2. The method according to claim 1, characterized in that, When the first comparison result indicates that the current Western kitchen airflow information does not meet the preset Western kitchen airflow range, adjusting the first smoke exhaust component includes: If the first comparison result indicates that the current Western kitchen air volume information is greater than the preset Western kitchen air volume range, the Western kitchen duct damper is controlled to reduce the preset angle, and the process jumps to the air volume measurement module to obtain the current Western kitchen air volume information corresponding to the target Western kitchen duct. If the first comparison result indicates that the current western kitchen air volume information is less than the preset western kitchen air volume range, and the first air valve angle corresponding to the western kitchen duct air valve is the preset air valve angle, control the outdoor fan to increase the preset speed, and jump to the current western kitchen air volume information corresponding to the target western kitchen duct based on the air volume measurement module; If the first comparison result indicates that the current Western kitchen air volume information is less than the preset Western kitchen air volume range, and the first air valve angle is not equal to the preset air valve angle, the Western kitchen duct air valve is controlled to increase the preset angle, and the process jumps to the air volume measurement module to obtain the current Western kitchen air volume information corresponding to the target Western kitchen duct.

3. The method according to claim 1, characterized in that, When the second comparison result indicates that the pressure difference information of the first kitchen does not meet the preset pressure difference range, adjusting the second smoke exhaust assembly includes: If the second comparison result indicates that the first kitchen pressure difference information is less than the preset pressure difference range, the kitchen duct damper is controlled to reduce the preset angle, and the process jumps to the cross-sectional airflow analysis of the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow, to obtain the first kitchen pressure difference information corresponding to the target kitchen duct. If the second comparison result indicates that the first kitchen pressure difference information is greater than the preset pressure difference range, and the angle of the second air valve corresponding to the kitchen duct air valve is not equal to the preset air valve angle, control the kitchen duct air valve to increase the preset angle, and jump to the step of performing cross-sectional airflow analysis on the target kitchen duct corresponding to the target object based on the current western kitchen airflow information and the preset kitchen airflow, to obtain the first kitchen pressure difference information corresponding to the target kitchen duct; If the second comparison result indicates that the pressure difference information of the first kitchen is greater than the preset pressure difference range, and the angle of the second air valve is the preset air valve angle, the outdoor fan is controlled to increase the preset speed, and the process jumps to the air volume measurement module to obtain the current air volume information of the target kitchen duct.

4. The method according to claim 1, characterized in that, The step of responding to the smoke exhaust start command corresponding to the target object by opening the air valve corresponding to the smoke exhaust start command to a preset air valve angle includes: In response to the smoke exhaust start command corresponding to the target object, the kitchen duct damper is opened to the preset damper angle; When the first comparison result indicates that the current Western kitchen airflow information meets the preset Western kitchen airflow range, and the start-up fume hood corresponding to the smoke extraction start-up command includes a Chinese kitchen fume hood, based on the current Western kitchen airflow information and the preset Chinese kitchen airflow, a cross-sectional airflow analysis is performed on the target Chinese kitchen duct corresponding to the target object to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct, including: If the first comparison result indicates that the current Western kitchen air volume information meets the preset Western kitchen air volume range, and the start-up smoke collection hood corresponding to the smoke exhaust start command includes the Chinese kitchen smoke collection hood, the Chinese kitchen duct damper is opened to the preset damper angle, and based on the current Western kitchen air volume information and the preset Chinese kitchen air volume, the cross-sectional air volume analysis of the target Chinese kitchen duct is performed to obtain the first Chinese kitchen pressure difference information.

5. The method according to any one of claims 1-4, characterized in that, The method further includes: Obtain the floor information of at least one activated fume hood corresponding to an activated object, and the air volume information of the western kitchen corresponding to the activated object; Based on the floor information of the object and the air volume information of the western kitchen of the object, adjust the activated smoke exhaust component corresponding to the activated object; the activated smoke exhaust component includes at least one activated smoke collection hood and at least one of the outdoor fan.

6. The method according to claim 5, characterized in that, The method further includes: If the air volume information of the western kitchen meets the preset air volume conditions, obtain the angle of the opened air valve; If the angles of the opened air valves are not the preset air valve angles, reduce the speed of the outdoor fan.

7. A centralized smoke extraction device, characterized in that, The device is installed in the centralized smoke exhaust system of the Chinese and Western kitchens. The centralized smoke exhaust system includes a target Western kitchen duct corresponding to the target object and an air volume measurement module installed in the target Western kitchen duct. The device includes: The first air valve opening module is used to respond to the smoke exhaust start command corresponding to the target object and open the air valve corresponding to the smoke exhaust start command to a preset air valve angle; the target object is the object currently activating smoke exhaust, the target object is any one of at least one smoke exhaust user on any floor, the target western kitchen pipe is the western kitchen pipe corresponding to the target object in the central smoke exhaust system for both western and central kitchens; the western kitchen pipe is the pipe located between the connecting pipe and the western kitchen smoke collection hood; The air volume acquisition module is used to acquire the current air volume information of the target western kitchen duct based on the air volume measurement module; The component adjustment module is used to adjust the smoke exhaust component corresponding to the smoke exhaust start command based on the current air volume information of the western kitchen; the smoke exhaust component corresponding to the smoke exhaust start command includes the air valve corresponding to the smoke exhaust start command, or the air valve corresponding to the smoke exhaust start command and the outdoor fan in the central smoke exhaust system of the western and central kitchens; The component adjustment module includes: The first comparison module is used to compare the current western kitchen air volume information and the preset western kitchen air volume range when the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes a western kitchen smoke collection hood, and to obtain the first comparison result. The first component adjustment module is used to adjust the first smoke exhaust component when the first comparison result indicates that the current Western kitchen air volume information does not meet the preset Western kitchen air volume range; the first smoke exhaust component includes at least one of the Western kitchen duct damper corresponding to the target Western kitchen duct and the outdoor fan; The component adjustment module further includes: The first airflow analysis module is used to perform cross-sectional airflow analysis on the target Chinese kitchen duct corresponding to the target object based on the current Western kitchen airflow information and the preset Chinese kitchen airflow, when the first comparison result indicates that the current Western kitchen airflow information meets the preset Western kitchen airflow range, and the start-up smoke collection hood corresponding to the smoke exhaust start-up command includes the Chinese kitchen smoke collection hood, to obtain the first Chinese kitchen pressure difference information corresponding to the target Chinese kitchen duct; the target Chinese kitchen duct is the Chinese kitchen duct corresponding to the target object in the centralized smoke exhaust system of Western and Chinese kitchens; the Chinese kitchen duct is the duct located between the connecting duct and the Chinese kitchen smoke collection hood; the first Chinese kitchen pressure difference information represents the pressure difference corresponding to any current cross-section in the target Chinese kitchen duct; the preset Chinese kitchen airflow represents the target airflow of the target Chinese kitchen duct; the target airflow is the airflow to be adjusted to; The second comparison module is used to compare the first kitchen pressure difference information with the preset pressure difference range to obtain the second comparison result; The second component adjustment module is used to adjust the second smoke exhaust component when the second comparison result indicates that the first kitchen pressure difference information does not meet the preset pressure difference range; the second smoke exhaust component includes at least one of the kitchen duct damper corresponding to the target kitchen duct and the outdoor fan.

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