Linkage control method for range hood and different devices
By adopting extended control devices in hoods and other equipment, the linkage control between hoods and different equipment is achieved, and the problem of lack of linkage control between hoods and other equipment in the existing technology is solved, and the overall development of smart home systems and the effect of air pollution prevention and control is improved.
Patent Information
- Application Number
- CN202510009592.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2045-01-03
AI Technical Summary
The lack of an effective linkage control mechanism between existing hoods and other cooking equipments, which makes it easy to cause indoor air pollution when cooking with stoves. There are differences in equipment communication protocols and control methods of different manufacturers, making it difficult to achieve linkage control.
The extended control device is adopted, which includes an MCU module, a touch detection control module, a wireless communication module and a power supply module. The touch position is detected through a transparent FPC diaphragm and an integrated touch circuit, and is controlled in a linkage with the hood and the control APP through the wireless communication module.
It realizes effective linkage control between the hood and other equipment, supports the overall development and popularization of smart home systems, and effectively prevents indoor air pollution during cooking.
Smart Images

Figure CN119879242A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of linkage control of range hoods, and in particular relates to a linkage control method of a range hood and different equipment. Background Art
[0002] In modern home kitchens, various types of kitchen appliances are increasing, including range hoods, stoves, microwave ovens, rice cookers, ovens, air fryers, etc. However, most of these devices are in an independent operation state and lack an effective coordinated linkage mechanism.
[0003] Traditional range hoods are mainly operated manually and are mainly turned on when cooking with stoves. However, in addition to pollutants such as oil smoke generated when cooking with stoves, other cooking equipment such as rice cookers, ovens, and air fryers also generate air pollutants. Therefore, since there is no linkage mechanism between the range hood and other cooking equipment, it is easy to cause indoor air pollution when cooking food with cooking equipment other than stoves.
[0004] With the rise of the concept of smart home and the development of technology, some kitchen appliances have begun to have simple intelligent control functions, and some range hoods and stoves produced by the same manufacturer also have linkage functions. However, the range hoods and other cooking equipment in many users' homes are not produced by the same manufacturer, and the cooking equipment produced by different manufacturers have differences in communication protocols, control methods, etc., which makes it difficult to achieve effective linkage control between them. These problems seriously hinder the linkage control between range hoods and other cooking equipment, which is not conducive to the overall development and popularization of smart home systems, nor is it conducive to effectively preventing indoor air pollution problems caused by cooking. Summary of the invention
[0005] The purpose of the present invention is to provide a linkage control method between a range hood and different devices, so as to improve the problem that the existing range hood cannot carry out effective linkage control with other devices, which is not conducive to the overall development and popularization of smart home systems, nor is it conducive to effectively preventing indoor air pollution problems occurring during cooking.
[0006] The present invention is implemented as follows: a method for linkage control of a range hood and different devices, using an extended control device to link the range hood and different devices, the extended control device comprising an MCU module and a touch detection control module, a wireless communication module and a power supply module electrically connected to the MCU module, the touch detection control module comprising a transparent FPC film and a touch control circuit integrated inside the FPC film;
[0007] The specific steps of the linkage control method are as follows:
[0008] S100, pasting the transparent FPC film of the extended control device onto the touch panel of the non-range hood device;
[0009] S200, binding the extended control device and the range hood to the control APP, and making the extended control device and the range hood communicatively connected;
[0010] S300, touching the position of the touch button of the touch panel on the transparent FPC film for a duration of t;
[0011] S400, the touch control circuit inside the transparent FPC film determines the touch position by detecting the change in capacitance and transmits it to the MCU module;
[0012] S500, the MCU module records and saves the touch position and transmits the touch position signal to the control APP through the wireless communication module;
[0013] S600, performing linkage control settings on the received touch position signal by controlling the APP, and transmitting the linkage control data to the MCU modules of the range hood and the extended control device.
[0014] Furthermore, the method further comprises the following steps:
[0015] S700: After the linkage control is set, when the capacitance on the transparent FPC film changes, the MCU module detects whether the position where the capacitance on the transparent FPC film changes is the position where the linkage control is set;
[0016] S800: If yes, the MCU module transmits the linkage control signal to the range hood through the wireless communication module. After receiving the linkage control signal, the range hood executes the linkage control command.
[0017] Furthermore, the control APP is installed on a mobile intelligent electronic device, and the control APP is connected to a network server through a network communication module of the device on which it is installed, and the expandable control device is connected to a network server through its wireless communication module.
[0018] Furthermore, the mobile intelligent electronic device is any one of a smart phone, a mobile iPad, a smart watch, and a smart bracelet.
[0019] Furthermore, the linkage control method includes a control method under remote control mode. In the remote control mode, a control signal is sent to a network server by controlling the APP. After receiving the control signal, the network server transmits it to the MCU module of the expandable control device. The MCU module controls the capacitance of the corresponding area on the transparent FPC film according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is pasted. At the same time, the MCU module transmits the linkage control signal to the range hood through the wireless communication module. After receiving the linkage control signal, the range hood executes the linkage control command.
[0020] Furthermore, the range hood has a network connection module, and the range hood is also communicatively connected to the network server through its network connection module; the linkage control method includes a control method in a remote control mode, in which a control signal is sent to the network server by controlling the APP, and after receiving the control signal, the network server transmits it to the MCU module and the range hood of the extended control device; the MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is pasted; the range hood executes the corresponding linkage control command according to the received control signal.
[0021] Furthermore, the range hood has a range hood iPad and an MCU control module, the range hood iPad is electrically connected to the MCU control module of the range hood, and the control APP is installed on the range hood iPad; in the step S600, after the control APP performs linkage control settings on the received touch position signal, the linkage control setting data is transmitted to the MCU control module of the range hood.
[0022] Furthermore, the range hood iPad has a near-ground communication module and a long-range communication module. The range hood iPad is connected to the wireless communication module of the extended control device through the near-ground communication module, and further connected to the MCU module of the extended control device.
[0023] Furthermore, the range hood iPad is communicatively connected to a network server via a remote communication module, and the range hood iPad is also communicatively connected to a mobile phone APP; the linkage control method includes a control method in a remote control mode, in which a control signal is sent to a network server via a mobile phone APP, and after receiving the control signal, the network server transmits it to the range hood iPad, and the range hood iPad transmits the control signal to an MCU module of an extended control device and an MCU control module of the range hood; the MCU module controls the capacitance of a corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is pasted; at the same time, the MCU control module of the range hood executes corresponding linkage control commands according to the received control signal.
[0024] Furthermore, the expandable control device is communicatively connected to a network server via its wireless communication module, and the range hood iPad is also communicatively connected to a mobile phone APP; the linkage control method includes a control method in a remote control mode, in which a control signal is sent to a network server via a mobile phone APP, and after receiving the control signal, the network server transmits it to an MCU module of the expandable control device, and the MCU module controls the capacitance of a corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of a device to which the transparent FPC film is pasted; at the same time, the MCU module transmits the received control signal to the range hood iPad, and the range hood iPad transmits the control signal to the MCU control module of the range hood, and the MCU control module of the range hood executes a corresponding linkage control command according to the received control signal.
[0025] The linkage control method of the range hood and different devices provided by the present invention can effectively link the range hood and other devices, provide strong support for the overall development and popularization of the smart home system, and can also effectively prevent indoor air pollution problems caused by cooking. Other advantages of the present invention are described in the subsequent description. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 is a block diagram of the electric control structure of the expandable control device provided in an embodiment of the present invention;
[0027] Figure 2 is a schematic diagram of the structure of an expandable control device provided in an embodiment of the present invention;
[0028] Figure 3 is a front view of the expandable control device provided in an embodiment of the present invention pasted on a touch panel;
[0029] Figure 4 is a side view of the expandable control device provided in an embodiment of the present invention being attached to a touch panel;
[0030] Figure 5 It is a method flow chart of the linkage control method between the range hood and different devices provided in an embodiment of the present invention.
[0031] Reference numerals: 1. touch detection control module; 2. wireless communication module; 3. MCU module; 4. power supply module; 100. extended control device; 200. touch panel. DETAILED DESCRIPTION
[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] The following is a further description with reference to the accompanying drawings and specific embodiments:
[0034] Example 1
[0035] This embodiment provides an expandable control device, such as Figure 1 and Figure 2 As shown, it includes a touch detection control module 1, a wireless communication module 2, an MCU module 3 and a power supply module 4, and the power supply module 4 is used to power the touch detection control module 1, the wireless communication module 2 and the MCU module 3. The touch detection control module 1 includes a transparent FPC film and a touch circuit integrated inside the FPC film, and the touch circuit is electrically connected to the MCU module 3. The transparent FPC film can use polyimide (PI) or polyethylene terephthalate (PET) as a substrate, which has good flexibility, insulation and high temperature resistance, and provides a stable physical support for the integration of its internal touch circuit. These materials can withstand various process conditions in the integrated circuit manufacturing process while ensuring transparency. On the transparent FPC film, transparent conductive materials such as indium tin oxide (ITO), graphene, etc. can be used, or traditional conductive metal materials (such as copper) can be made into conductive lines with a certain degree of transparency through special processes. These conductive materials can meet the needs of signal transmission and electronic component connection in integrated circuits and realize the conductive function of the circuit.
[0036] When the FPC film is touched, the capacitance of the touch position changes. The touch circuit determines the touch position by detecting the change in capacitance and transmits it to the MCU module 3. The MCU module 3 records and saves the touch position. The MCU module 3 is connected to an external controller through the wireless communication module 2, and transmits the touch position signal to the external controller. The external controller defines the function of the received touch position signal and transmits it back to the MCU module 3. The external controller is an intelligent electronic device, which is any one of a smart phone, a range hood iPad, a mobile iPad, a smart watch, and a smart bracelet. The range hood iPad is an iPad installed on the range hood for controlling the range hood. After the range hood is fixedly installed, its range hood iPad is basically immovable. The mobile iPad is an iPad produced by manufacturers such as Huawei and Xiaomi that are common in life. A control APP is installed on the intelligent electronic device. The control APP can be a range hood APP developed by the range hood manufacturer that can be matched and connected with the range hood and control the range hood. When the intelligent electronic device is a range hood iPad, the range hood iPad is electrically connected to the MCU control module of the range hood, and the range hood can be controlled through the range hood iPad. The control APP has a function definition module, and the function definition module has a function definition page.
[0037] One method of defining functions using an external controller is as follows:
[0038] S10, pasting the transparent FPC film of the expandable control device 100 onto the touch panel 200 of the device, such as Figure 3 and Figure 4 The device is not limited to cooking devices, but can be any device with a touch panel.
[0039] S20 , bind the expandable control device 100 to the control APP, open the control APP, and enter the function definition page.
[0040] S30 , touching the position of the touch button of the touch panel 200 on the transparent FPC film, and continuously touching the position for 3 seconds, for example, continuously touching the power button on the touch panel 200 for 3 seconds.
[0041] S40 , the touch control circuit inside the transparent FPC film determines the touch position by detecting the change in capacitance and transmits it to the MCU module 3 .
[0042] S50, the MCU module 3 records and saves the touch position and transmits the touch position signal to the control APP through the wireless communication module 2, and displays the touch position information on the function definition page of the control APP.
[0043] S60: Define the function of the touch position information on the function definition page of the control APP, for example, name the touch position information accordingly as “power on”.
[0044] S70, after the control APP completes the function definition, click the confirmation icon, the control APP transmits the function definition data back to the MCU module 3, and the MCU module 3 receives and saves it.
[0045] After defining the function in this way, open the control APP, select the bound expandable control device 100, click the "power on" icon, and the control APP transmits a control signal to the expandable control device 100. After the MCU module 3 of the expandable control device 100 receives the control signal transmitted by the control APP, it controls the capacitance of the position corresponding to the "power on" icon on the transparent FPC film to change according to the function definition information stored inside. This change will be sensed by the "power on button" corresponding to the position on the touch panel 200, and then the "power on button" will receive a power on signal, so that the device to which the expandable control device 100 is attached will be turned on.
[0046] The external controller has a near-ground communication module and a long-range communication module, and the near-ground communication module includes one or more of a WiFi communication module, a Bluetooth communication module, and a 2.4G communication module. The wireless communication module 2 includes a WiFi communication module, and also includes at least one of a Bluetooth communication module and a 2.4G communication module. The external controller is connected to the wireless communication module 2 through the near-ground communication module, for example, the external controller and the wireless communication module 2 can be connected to each other through the Bluetooth communication module, so that the expandable control device 100 can be bound to the control APP.
[0047] The remote communication module includes one or more of a WiFi communication module, a 4G communication module, and a 5G communication module. The external controller is connected to the network server through the remote communication module, and the MCU module 3 of the expandable control device 100 is connected to the network server through the WiFi communication module. After the external controller defines the function of the received touch position signal, it can upload it to the network server through the remote communication module. In this way, when performing extended control, the control signal can be sent to the network server by controlling the APP, thereby realizing the remote control function.
[0048] Example 2
[0049] This embodiment provides a linkage control method between a range hood and different devices, using the extended control device provided in Embodiment 1 to link the range hood with different devices, such as Figure 5 As shown, the specific steps of the linkage control method are as follows:
[0050] S100, affix the transparent FPC film of the extended control device to the touch panel of the non-range hood device. In the linkage relationship, the non-range hood device is the linkage device, and the range hood is the linked device. The linkage device is a cooking device that generates oil smoke, steam or odor when working, such as an air fryer that generates oil smoke when working, such as an electric rice cooker that generates steam when working, etc.
[0051] It should be noted that the linked equipment is not limited to cooking equipment.
[0052] S200, the extended control device and the range hood are bound and connected to the control APP, and the extended control device and the range hood are communicated with each other, so that the extended control device and the range hood can be automatically linked in the absence of the control APP.
[0053] S300, touching the position of the touch button of the touch panel on the transparent FPC film for a duration of t. t can be set to 3 seconds, that is, continuously touching the position of the touch button for 3 seconds.
[0054] S400, the touch circuit inside the transparent FPC film determines the touch position by detecting the change of capacitance and transmits it to the MCU module.
[0055] S500, the MCU module records and saves the touch position and transmits the touch position signal to the control APP through the wireless communication module.
[0056] S600, performing linkage control settings on the received touch position signal by controlling the APP, and transmitting the linkage control data to the MCU modules of the range hood and the extended control device.
[0057] The specific steps for linkage control are as follows:
[0058] S610, open the control APP and enter the function definition page of the control APP;
[0059] S620. After the control APP receives the touch position signal, click on the bound range hood to enter the linkage function selection page. In the linkage function selection page, select the function icon to be linked, such as "Power on", etc. When "Power on" is selected, you can also select the gear when starting up, such as "Power on" and "Mid-gear". In addition, you can set the power-on conditions, such as the power-on time: power on immediately, power on after 10 minutes, etc. After selecting and setting, click OK to complete a linkage control setting.
[0060] S700: After the linkage control is set, when the capacitance on the transparent FPC film changes, the MCU module detects whether the position where the capacitance on the transparent FPC film changes is the position where the linkage control is set;
[0061] S800: If yes, the MCU module transmits the linkage control signal to the range hood through the wireless communication module. After receiving the linkage control signal, the range hood executes the linkage control command.
[0062] In some exemplary embodiments, the control APP is installed on a mobile intelligent electronic device, and the mobile intelligent electronic device is any one of a smart phone, a mobile iPad, a smart watch, and a smart bracelet. The control APP is connected to the network server through the network communication module of the device on which it is installed, so that the extended control device is connected to the network server through its wireless communication module.
[0063] Thus, the linkage control method includes a control method in a remote control mode. In the remote control mode, a control signal is sent to a network server through a control APP. After receiving the control signal, the network server transmits it to the MCU module of the extended control device. The MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is attached. At the same time, the MCU module transmits the linkage control signal to the range hood through the wireless communication module. After receiving the linkage control signal, the range hood executes the linkage control command.
[0064] In some exemplary embodiments, the range hood also has a network connection module, and the range hood is also connected to the network server through its network connection module. The linkage control method includes a control method in a remote control mode, in which a control signal is sent to the network server by controlling the APP, and after receiving the control signal, the network server transmits it to the MCU module and the range hood of the extended control device. The MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is attached. The range hood executes the corresponding linkage control command according to the received control signal.
[0065] In some other exemplary embodiments, the range hood has a range hood iPad and an MCU control module, the range hood iPad is electrically connected to the MCU control module of the range hood, and the control APP is installed on the range hood iPad. In step S600, after the control APP performs linkage control settings on the received touch position signal, the linkage control setting data is transmitted to the MCU control module of the range hood. The range hood iPad has a near-ground communication module and a long-range communication module, and the range hood iPad is connected to the wireless communication module of the extended control device through the near-ground communication module, and then connected to the MCU module of the extended control device.
[0066] In some exemplary embodiments, the range hood iPad is connected to the network server through a remote communication module, and the range hood iPad is also connected to the mobile phone APP. The linkage control method includes a control method in the remote control mode, in which a control signal is sent to the network server through the mobile phone APP, and after receiving the control signal, the network server transmits it to the range hood iPad, and the range hood iPad transmits the control signal to the MCU module of the extended control device and the MCU control module of the range hood; the MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is attached. At the same time, the MCU control module of the range hood executes the corresponding linkage control command according to the received control signal.
[0067] In some other exemplary embodiments, the expandable control device is connected to the network server through its wireless communication module, and the range hood iPad is also connected to the mobile phone APP. The linkage control method includes a control method in the remote control mode, in which a control signal is sent to the network server through the mobile phone APP, and after receiving the control signal, the network server transmits it to the MCU module of the expandable control device, and the MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is attached. At the same time, the MCU module transmits the received control signal to the range hood iPad, and the range hood iPad transmits the control signal to the MCU control module of the range hood, and the MCU control module of the range hood executes the corresponding linkage control command according to the received control signal.
[0068] To sum up, the linkage control method between the range hood and different devices provided by the present invention can enable effective linkage control between the range hood and other devices, providing strong support for the overall development and popularization of smart home systems, and can also effectively prevent indoor air pollution problems occurring during cooking.
[0069] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A linkage control method for a range hood and different devices, characterized in that: An extended control device is used to link the range hood with different devices, wherein the extended control device includes an MCU module and a touch detection control module, a wireless communication module and a power supply module electrically connected to the MCU module, wherein the touch detection control module includes a transparent FPC film and a touch control circuit integrated inside the FPC film; The specific steps of the linkage control method are as follows: S100, pasting the transparent FPC film of the extended control device onto the touch panel of the non-range hood device; S200, binding the extended control device and the range hood to the control APP, and making the extended control device and the range hood communicatively connected; S300, touching the position of the touch button of the touch panel on the transparent FPC film for a duration of t; S400, the touch control circuit inside the transparent FPC film determines the touch position by detecting the change in capacitance and transmits it to the MCU module; S500, the MCU module records and saves the touch position and transmits the touch position signal to the control APP through the wireless communication module; S600, performing linkage control settings on the received touch position signal by controlling the APP, and transmitting the linkage control data to the MCU modules of the range hood and the extended control device.
2. The linkage control method of the range hood and different devices according to claim 1 is characterized in that: The following steps are also included: S700: After the linkage control is set, when the capacitance on the transparent FPC film changes, the MCU module detects whether the position where the capacitance on the transparent FPC film changes is the position where the linkage control is set; S800: If yes, the MCU module transmits the linkage control signal to the range hood through the wireless communication module. After receiving the linkage control signal, the range hood executes the linkage control command.
3. The linkage control method of the range hood and different devices according to claim 1 is characterized in that: The control APP is installed on a mobile intelligent electronic device. The control APP is connected to a network server through a network communication module of the device on which it is installed. The expandable control device is connected to a network server through its wireless communication module.
4. The linkage control method of the range hood and different devices according to claim 3 is characterized in that: The mobile intelligent electronic device is any one of a smart phone, a mobile iPad, a smart watch, and a smart bracelet.
5. The linkage control method of the range hood and different devices according to claim 3 is characterized in that: The linkage control method includes a control method in a remote control mode. In the remote control mode, a control signal is sent to a network server by controlling an APP. After receiving the control signal, the network server transmits it to an MCU module of an extendable control device. The MCU module controls the capacitance of a corresponding area on the transparent FPC film according to the received control signal, thereby controlling the operation of a device to which the transparent FPC film is pasted. At the same time, the MCU module transmits a linkage control signal to the range hood through a wireless communication module. After receiving the linkage control signal, the range hood executes the linkage control command.
6. The linkage control method of the range hood and different devices according to claim 3 is characterized in that: The range hood has a network connection module, and the range hood is also communicatively connected to the network server through its network connection module; the linkage control method includes a control method in a remote control mode, in which a control signal is sent to the network server by controlling the APP, and after receiving the control signal, the network server transmits it to the MCU module and the range hood of the extended control device; the MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is pasted; the range hood executes the corresponding linkage control command according to the received control signal.
7. The linkage control method of the range hood and different devices according to claim 1 is characterized in that: The range hood has a range hood iPad and an MCU control module, the range hood iPad is electrically connected to the MCU control module of the range hood, and the control APP is installed on the range hood iPad; in step S600, after the control APP performs linkage control settings on the received touch position signal, the linkage control setting data is transmitted to the MCU control module of the range hood.
8. The linkage control method of the range hood and different devices according to claim 7 is characterized in that: The range hood iPad has a near-ground communication module and a long-range communication module. The range hood iPad is connected to the wireless communication module of the extended control device through the near-ground communication module, and further connected to the MCU module of the extended control device.
9. The linkage control method of the range hood and different devices according to claim 8 is characterized in that: The range hood iPad is connected to the network server through a remote communication module, and the range hood iPad is also connected to the mobile phone APP; the linkage control method includes a control method in the remote control mode, in which a control signal is sent to the network server through the mobile phone APP, and after the network server receives the control signal, it transmits it to the range hood iPad, and the range hood iPad transmits the control signal to the MCU module of the extended control device and the MCU control module of the range hood; the MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, and then controls the operation of the device to which the transparent FPC film is pasted; at the same time, the MCU control module of the range hood executes the corresponding linkage control command according to the received control signal.
10. The linkage control method of the range hood and different devices according to claim 8, characterized in that: The extendable control device is connected to the network server through its wireless communication module, and the range hood iPad is also connected to the mobile phone APP; the linkage control method includes a control method in the remote control mode, in which a control signal is sent to the network server through the mobile phone APP, and after receiving the control signal, the network server transmits it to the MCU module of the extendable control device, and the MCU module controls the capacitance of the corresponding area on the transparent FPC film to change according to the received control signal, thereby controlling the operation of the device to which the transparent FPC film is pasted; at the same time, the MCU module transmits the received control signal to the range hood iPad, and the range hood iPad transmits the control signal to the MCU control module of the range hood, and the MCU control module of the range hood executes the corresponding linkage control command according to the received control signal.
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