Gas leakage detection method, device and central range hood system

Abstract

The embodiments of the present application provide a method, device and central range hood system for handling gas leaks, wherein the gas leakage concentration can be obtained in real time. When the gas leakage concentration is detected to be within a preset concentration range, the target terminal is turned on, and the wind pressure in the connecting pipe corresponding to the target terminal collected by the wind pressure sensor is monitored to adjust the valve angle of the flow distribution valve and / or control the operating power of the host, thereby providing maximum exhaust volume for the gas leakage floor and discharging the leaked gas in time, thereby ensuring the safety of users' lives.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent range hoods, and in particular to a method and device for handling gas leakage and a central range hood system. Background Art

[0002] Modern homes and factories are becoming increasingly enclosed, and safety issues cannot be ignored. If an emergency such as a gas leak occurs, it is particularly important to discharge the leaked gas in a timely manner. Existing homes and factories can only discharge leaked gas by users opening windows. If the windows cannot be opened in time, unimaginable accidents may occur, seriously endangering people's lives and safety. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a method, device and central range hood system for handling gas leakage, which can effectively discharge leaked gas and ensure the safety of users.

[0004] In a first aspect, an embodiment of the present invention provides a method for handling a gas leak, wherein the method is applied to a control host of a central range hood system, the central range hood system further comprising a communication module for a flow distribution valve on each floor communicatively connected to the control host, the communication module communicatively connected to a terminal, a gas sensor, and an air pressure sensor on the floor, the terminal on each floor being connected to a common flue via a connecting pipe, on which a flow distribution valve and an air pressure sensor are provided. The method comprises: obtaining, via each communication module, a gas leakage concentration on each floor as detected by the gas sensor; determining a floor with a gas leakage concentration within a preset concentration range as a gas leakage floor, activating a target terminal on the gas leakage floor, and determining a required air intake volume for the target terminal based on the gas leakage concentration; adjusting a valve angle of a flow distribution valve corresponding to the target terminal according to the required air intake volume for the target terminal, and monitoring an in-line air pressure in the connecting pipe corresponding to the target terminal as detected by the air pressure sensor; and if the in-line air pressure is less than a preset air pressure value, adjusting the valve angle of the flow distribution valve and / or the operating power of the control host until the in-line air pressure is greater than or equal to the preset air pressure value.

[0005] In combination with the first aspect, an embodiment of the present invention provides a first possible implementation method of the first aspect, wherein the central range hood system also includes an air supply valve and an alarm device communicatively connected to the communication module; the method also includes: adjusting the valve angle of the air supply valve on the gas leakage floor to the maximum angle, and generating an alarm instruction; sending the alarm instruction to the alarm device through the communication module to trigger the alarm device to issue an alarm prompt.

[0006] In combination with the first possible implementation of the first aspect, an embodiment of the present invention provides a second possible implementation of the first aspect, wherein the communication module is also communicatively connected to the household appliance; the method also includes: when the gas leakage concentration is higher than a preset concentration range, receiving an alarm signal sent by the gas sensor through the communication module; generating a power-off control instruction and an alarm instruction according to the alarm signal, and sending the power-off control instruction to the household appliance through the communication module to control the power off of the household appliance, and sending the alarm instruction to the alarm device to trigger the alarm device to issue an alarm prompt.

[0007] In combination with the first aspect, an embodiment of the present invention provides a third possible implementation method of the first aspect, wherein the step of determining the air intake volume required for the target terminal based on the gas leakage concentration includes: querying the air intake volume corresponding to the gas leakage concentration in an air intake volume query table; wherein the air intake volume query table stores the correspondence between the gas leakage concentration and the air intake volume.

[0008] In combination with the first aspect, an embodiment of the present invention provides a fourth possible implementation of the first aspect, wherein the step of adjusting the valve angle of the flow distribution valve corresponding to the target terminal according to the air intake volume required by the target terminal includes: adjusting the control host to a first operating power according to the air intake volume required by the target terminal; and adjusting the valve angle of the flow distribution valve corresponding to the target terminal to the first angle under the first operating power.

[0009] In combination with the fourth possible implementation of the first aspect, an embodiment of the present invention provides a fifth possible implementation of the first aspect, wherein, under the first operating power, the step of adjusting the angle of the valve of the flow distribution valve corresponding to the target terminal to the first angle includes: searching for the first angle matching the first operating power in the angle adjustment data table; wherein the angle adjustment data table stores the correspondence between the angle of the valve of the flow distribution valve and the operating power; adjusting the angle of the valve of the flow distribution valve corresponding to the target terminal to the first angle.

[0010] In combination with the fifth possible implementation of the first aspect, an embodiment of the present invention provides a sixth possible implementation of the first aspect, wherein the flow distribution valve also includes a drive motor and a valve, wherein the drive motor is communicatively connected to the communication module, and the drive motor and the valve are drive-connected; the step of adjusting the valve angle of the flow distribution valve corresponding to the target terminal to a first angle includes: sending the first angle to the communication module so that the communication module generates a drive instruction based on the first angle, and sending the drive instruction to the drive motor so that the drive motor drives the valve corresponding to the target terminal to move to the first angle.

[0011] In combination with the fourth possible implementation of the first aspect, an embodiment of the present invention provides a seventh possible implementation of the first aspect, wherein the step of adjusting the valve angle of the flow distribution valve and / or the operating power of the control host until the wind pressure in the pipe is greater than or equal to the preset wind pressure value includes: monitoring whether the first angle is the maximum valve angle; if the first angle is not the maximum valve angle, adjusting the valve angle of the flow distribution valve in sequence according to the preset valve angle adjustment step until the wind pressure in the pipe is greater than or equal to the preset wind pressure value or the valve angle of the flow distribution valve reaches the maximum valve angle; if the first angle is the maximum valve angle, adjusting the operating power of the control host to the second operating power, and continuing to adjust the valve angle of the flow distribution valve at the second operating power until the wind pressure in the pipe is greater than or equal to the preset wind pressure value; wherein the second operating power is greater than the first operating power.

[0012] In combination with the seventh possible implementation of the first aspect, an embodiment of the present invention provides an eighth possible implementation of the first aspect, wherein the step of successively adjusting the angle of the valve of the flow distribution valve according to a preset valve angle adjustment step includes: searching for a first specified angle matching the first angle in an angle adjustment data table; wherein the angle adjustment data table also stores a plurality of designated angles corresponding to the valves that increase in stages; and starting from the first specified angle, successively adjusting the angle of the valve of the flow distribution valve according to the valve angle adjustment step.

[0013] In combination with the first aspect, an embodiment of the present invention provides a ninth possible implementation of the first aspect, wherein the control host is also communicatively connected to the user terminal; the method also includes: if the operating power of the control host is opened to a preset maximum power and the wind pressure in the pipe is less than the preset wind pressure value, an alarm prompt signal is generated; and the alarm prompt signal is sent to the user terminal.

[0014] In a second aspect, an embodiment of the present invention further provides a device for handling gas leaks, wherein the device is applied to a control host of a central range hood system, and the central range hood system further comprises a communication module for a flow distribution valve on each floor that is communicatively connected to the control host, the communication module being communicatively connected to a terminal, a gas sensor, and an air pressure sensor on the floor where the terminal is located, and the terminal on each floor being connected to a public flue via a connecting pipe on which a flow distribution valve and an air pressure sensor are provided; the device comprises: an acquisition module for acquiring the gas leakage concentration on each floor collected by the gas sensor through each communication module; a determination module for A floor where the gas leakage concentration is within a preset concentration range is determined as a gas leakage floor, the target terminal on the gas leakage floor is started, and the air intake required by the target terminal is determined based on the gas leakage concentration; a first adjustment module is used to adjust the valve angle of the flow distribution valve corresponding to the target terminal according to the air intake required by the target terminal, and monitor the wind pressure in the connecting pipe corresponding to the target terminal collected by the wind pressure sensor; a second adjustment module is used to adjust the valve angle of the flow distribution valve and / or control the operating power of the host if the wind pressure in the pipe is less than the preset wind pressure value, until the wind pressure in the pipe is greater than or equal to the preset wind pressure value.

[0015] In a third aspect, an embodiment of the present invention further provides a central range hood system, wherein the central range hood system includes a control host and a communication module of a flow distribution valve on each floor communicatively connected to the control host, the communication module is communicatively connected to the terminal, gas sensor, and wind pressure sensor on the floor, the terminal on each floor is connected to the public flue through a connecting pipe, and the connecting pipe is provided with a flow distribution valve and a wind pressure sensor; wherein the control host is used to execute the above-mentioned gas leakage processing method.

[0016] In a fourth aspect, an embodiment of the present invention further provides an electronic device, which includes a processor and a memory, wherein the memory stores computer-executable instructions that can be executed by the processor, and the processor executes the computer-executable instructions to implement the above method.

[0017] In a fifth aspect, an embodiment of the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions. When the computer-executable instructions are called and executed by a processor, the computer-executable instructions prompt the processor to implement the above method.

[0018] The embodiments of the present invention bring the following beneficial effects:

[0019] The present invention provides a method, device, and central range hood system for handling gas leaks, wherein the gas leak concentration of each floor, as detected by a gas sensor, is acquired through various communication modules. Floors with gas leak concentrations within a preset concentration range are identified as gas leak floors, target terminals for the gas leak floor are activated, and the required air intake volume for the target terminals is determined based on the gas leak concentration. The angle of a flow distribution valve corresponding to the target terminal is adjusted based on the required air intake volume for the target terminal, and the air pressure in the connecting pipe corresponding to the target terminal, as detected by an air pressure sensor, is monitored. If the air pressure in the pipe is less than a preset air pressure value, the angle of the flow distribution valve is adjusted and / or the operating power of the control unit is controlled until the air pressure in the pipe is greater than or equal to the preset air pressure value. The present invention can acquire gas leak concentration in real time. When the gas leak concentration is detected to be within the preset concentration range, the target terminal is activated, and the angle of the flow distribution valve is adjusted and / or the operating power of the control unit is controlled by monitoring the air pressure in the connecting pipe corresponding to the target terminal, as detected by the air pressure sensor, to provide maximum exhaust volume for the gas leak floor and promptly discharge leaked gas, thereby ensuring user safety.

[0020] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 A schematic structural diagram of a central range hood system provided by an embodiment of the present invention;

[0024] Figure 2 A schematic structural diagram of another central range hood system provided by an embodiment of the present invention;

[0025] Figure 3 A flow chart of a method for handling gas leakage provided by an embodiment of the present invention;

[0026] Figure 4A schematic structural diagram of another central range hood system provided by an embodiment of the present invention;

[0027] Figure 5 A flow chart of another method for handling gas leakage provided by an embodiment of the present invention;

[0028] Figure 6 A schematic structural diagram of a gas leakage treatment device provided by an embodiment of the present invention;

[0029] Figure 7 A schematic structural diagram of an electronic device provided by an embodiment of the present invention.

[0030] icon:

[0031] 100-control host; 101-flow distribution valve; 102-communication module; 103-terminal; 104-gas sensor; 105-wind pressure sensor; 200-connecting pipe; 201-public flue; 400-air supply valve; 401-alarm device. DETAILED DESCRIPTION

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.

[0033] Considering that existing households and factories can only discharge leaked gas by users opening windows, if the windows cannot be opened in time, unimaginable accidents may occur, seriously endangering people's lives and safety; in order to effectively discharge leaked gas, an embodiment of the present invention provides a method for discharging leaked gas, which can obtain the gas leakage concentration in real time. When the gas leakage concentration is detected to be within a preset concentration range, the target terminal is turned on, and the wind pressure in the connecting pipe corresponding to the target terminal collected by the wind pressure sensor is monitored to adjust the valve angle of the flow distribution valve and / or control the operating power of the host, thereby providing maximum exhaust volume for the gas leakage floor and discharging the leaked gas in time, thereby ensuring the life safety of users.

[0034] To facilitate understanding of this embodiment, the following first introduces in detail the method for handling gas leakage provided by the embodiment of the present invention. The execution subject is the control host of the central range hood system. Figure 1 A schematic diagram of the structure of a central range hood system is shown in FIG. Figure 1As shown, the central range hood system includes a control host 100, and a communication module 102 for the flow distribution valve 101 on each floor that is communicatively connected to the control host 100. The communication module 102 is communicatively connected to the terminal 103, gas sensor 104, and wind pressure sensor 105 on the floor. The terminal 103 on each floor is connected to the terminal 103 via a connecting pipe ( Figure 1 Not shown) and public flue ( Figure 1 The connecting pipe is not shown in the figure, and a flow distribution valve 101 and a wind pressure sensor 105 are provided on the connecting pipe.

[0035] Usually, the control host is connected to the terminal on each floor through the communication module on each floor. For the sake of convenience, Figure 1 Only one terminal 103 is shown as an example for illustration. In actual use, the number of terminals 103 connected to the control host 100 can be set according to actual needs and is not limited here.

[0036] In this embodiment, each floor is equipped with only one terminal, so a flow distribution valve and a wind pressure sensor are installed on the connecting pipes of each floor. For ease of understanding, Figure 2 shows a structural diagram of another central range hood system, Figure 2 The three floors shown are used as an example for explanation. A terminal 103 is installed on each floor, and the three terminals are connected to the public flue 201 through connecting pipes 200 respectively. In addition, the terminal in this embodiment is fanless, that is, the terminal does not have a fan.

[0037] Based on the above control host, an embodiment of the present invention provides a method for handling gas leakage. Figure 3 A flow chart showing a method for handling gas leaks is shown in FIG. Figure 3 As shown, the method includes the following steps:

[0038] Step S302: acquiring the gas leakage concentration of each floor collected by the gas sensor through each communication module;

[0039] Generally, a gas sensor can be installed at any location on each floor to collect the gas leakage concentration on that floor, and send the collected gas leakage concentration to the control host through the communication module on that floor, so that the control host can obtain the gas leakage concentration on each floor in real time.

[0040] Step S304: Determine a floor with a gas leakage concentration within a preset concentration range as a gas leakage floor, start the target terminal on the gas leakage floor, and determine the air intake required by the target terminal based on the gas leakage concentration;

[0041] The preset concentration range is the concentration range of gas leakage. In this embodiment, the preset concentration range is [0.1%, 1%]. When the gas leakage concentration is within this range, a gas leak is determined on that floor, and the target terminal on the leaking floor is activated. The required air intake volume for the target terminal is determined based on the gas leakage concentration to facilitate gas exhaust on the leaking floor. If the gas leakage concentration is lower than the preset concentration range, it indicates that there is no gas leakage, and there is no need to activate the terminal for exhaust. In specific implementations, the preset concentration range can be set according to actual needs and is not limited here.

[0042] Step S306: adjusting the angle of the flow distribution valve corresponding to the target terminal according to the air intake volume required by the target terminal, and monitoring the air pressure in the connecting pipe corresponding to the target terminal as collected by the air pressure sensor;

[0043] Step S308: If the wind pressure in the pipe is less than the preset wind pressure value, adjust the valve angle of the flow distribution valve and / or control the operating power of the host until the wind pressure in the pipe is greater than or equal to the preset wind pressure value.

[0044] In this embodiment, the valve of the flow distribution valve is opened to effectively exhaust the gas leakage floor and discharge the leaked gas on the gas leakage floor. When it is monitored that the wind pressure in the connecting pipe of the gas leakage floor is less than the preset wind pressure value, the valve angle of the flow distribution valve is adjusted and / or the operating power of the control host is controlled to achieve optimal exhaust of the gas leakage floor and discharge the leaked gas in time.

[0045] This embodiment provides a method for handling a gas leak, wherein the gas leakage concentration of each floor, as detected by a gas sensor, is acquired through various communication modules; floors with a gas leakage concentration within a preset concentration range are determined as gas leakage floors, target terminals for the gas leakage floors are activated, and the required air intake volume for the target terminals is determined based on the gas leakage concentration; the valve angle of a flow distribution valve corresponding to the target terminal is adjusted according to the required air intake volume for the target terminal, and the air pressure in the connecting pipe corresponding to the target terminal, as detected by an air pressure sensor, is monitored; if the air pressure in the pipe is less than a preset air pressure value, the valve angle of the flow distribution valve is adjusted and / or the operating power of the control host is controlled until the air pressure in the pipe is greater than or equal to the preset air pressure value. This application can acquire the gas leakage concentration in real time. When the gas leakage concentration is detected to be within the preset concentration range, the target terminal is activated, and the valve angle of the flow distribution valve and / or the operating power of the control host are adjusted by monitoring the air pressure in the connecting pipe corresponding to the target terminal, as detected by the air pressure sensor, to provide maximum exhaust volume for the gas leakage floor, promptly discharging the leaked gas, and thus ensuring the safety of users.

[0046] Usually, when the indoor environment of the gas leakage floor is completely closed, after a period of exhaust, the internal pressure of the connecting pipe of the gas leakage floor will be higher than the indoor pressure, making the indoor exhaust unsmooth and not conducive to the discharge of the leaked gas. In order to better exhaust, the internal pressure of the connecting pipe needs to be the same as the outdoor pressure. Figure 1 On the basis of Figure 4 Shows a structural diagram of another central range hood system, such as Figure 4 As shown, the central range hood system further includes an air supply valve 400 and an alarm device 401 that are communicatively connected to the communication module 102; for ease of understanding, as shown in FIG. Figure 2 As shown, the air supply valve 400 is usually installed on one side of the wall so that the indoor and outdoor pressures can be consistent when it is opened, and the alarm device 401 can be installed at any position on the floor. The above-mentioned alarm device 401 can be a voice alarm, an audible and visual alarm or an alarm platform, which is not limited here.

[0047] Specifically, when the gas leakage concentration is within the preset concentration range, the target terminal on the gas leakage floor is started, the angle of the air supply valve on the gas leakage floor is adjusted to the maximum angle, and an alarm instruction is generated; the alarm instruction is sent to the alarm device through the communication module to trigger the alarm device to issue an alarm prompt.

[0048] When a gas leak occurs, open the air supply valve to the maximum angle to ensure that the pressure inside the connecting pipe is consistent with the outdoor pressure. Usually, the above maximum angle can be set to 90 degrees, 120 degrees or 150 degrees as the maximum angle of the actual opening of the air supply valve. The maximum angle is subject to the air supply valve setting process and is not limited here.

[0049] In this embodiment, the opening angle of the air supply valve may also be related to the gas leakage concentration, that is, the opening angle corresponding to the gas leakage concentration is searched in a pre-stored opening angle table, and the angle of the air supply valve is adjusted to the opening angle, wherein the opening angle table stores the correspondence between the gas leakage concentration and the opening angle.

[0050] At the same time, when a gas leak occurs, the alarm device can be triggered to issue an alarm prompt to enhance the user's awareness of prevention.

[0051] Continuing with the previous example, if the gas leakage concentration is higher than the concentration range of [0.1%, 1%], it indicates that the gas leakage is quite serious. At this time, starting the terminal or the home appliance connected to the communication module may cause an explosion due to the presence of sparks when starting the terminal or the home appliance, seriously endangering the life and property safety of the user. Therefore, when the gas leakage concentration is higher than the preset concentration range, the alarm signal sent by the gas sensor is received through the communication module; a power-off control instruction and an alarm instruction are generated according to the alarm signal, and the power-off control instruction is sent to the home appliance through the communication module to control the power off of the home appliance, and the alarm instruction is sent to the alarm device to trigger the alarm device to issue an alarm prompt; so as to prompt the user to leave the room immediately or open the window for ventilation, etc.

[0052] This embodiment provides another method for handling gas leakage, which is implemented on the basis of the above embodiment; this embodiment focuses on the specific implementation of adjusting the valve angle of the flow distribution valve according to the air intake volume, and adjusting the valve angle of the flow distribution valve and / or controlling the operating power of the host. Figure 5 FIG. 1 is a flow chart of another method for handling gas leakage, wherein the method for handling gas leakage in this embodiment includes the following steps:

[0053] Step S502: acquiring the gas leakage concentration of each floor collected by the gas sensor through each communication module;

[0054] Step S504: Determine a floor with a gas leakage concentration within a preset concentration range as a gas leakage floor, activate the target terminal on the gas leakage floor, and determine the air intake required by the target terminal based on the gas leakage concentration;

[0055] The specific process of determining the air intake volume required by the target terminal based on the gas leakage concentration is: querying the air intake volume corresponding to the gas leakage concentration in the air intake volume query table; wherein the air intake volume query table stores the correspondence between the gas leakage concentration and the air intake volume.

[0056] The above correspondence can be understood as a one-to-one correspondence between different air intake volumes and gas leakage concentrations. This correspondence can be set according to actual needs and is not limited here.

[0057] For example, the air volume query table stores that the gas leakage concentration corresponding to an air intake of 100 is 0.1%, the gas leakage concentration corresponding to an air intake of 150 is 0.3%, the gas leakage concentration corresponding to an air intake of 180 is 0.5%, the gas leakage concentration corresponding to an air intake of 210 is 0.7%, and the gas leakage concentration corresponding to an air intake of 260 is 1%. If the collected gas leakage concentration is 0.7%, it can be known from the table query that the air intake required by the target terminal is 210.

[0058] Step S506, adjusting the control host to a first operating power according to the air intake volume required by the target terminal;

[0059] Step S508: Under the first operating power, adjust the valve angle of the flow distribution valve corresponding to the target terminal to a first angle, and monitor the wind pressure in the connecting pipe corresponding to the target terminal collected by the wind pressure sensor;

[0060] The specific process of adjusting the angle of the valve to the first angle can be achieved by steps A1 to A2:

[0061] Step A1: searching for a first angle that matches a first operating power in an angle adjustment data table; wherein the angle adjustment data table stores a correspondence between the valve angle of the flow distribution valve and the operating power;

[0062] The above correspondence can be understood as different operating powers corresponding to the angle of a valve. The correspondence can be set according to actual needs and is not limited here.

[0063] Step A2: adjusting the valve angle of the flow distribution valve corresponding to the target terminal to a first angle.

[0064] Typically, the flow distribution valve also includes a drive motor and a valve, wherein the drive motor is communicatively connected to the communication module, and the drive motor and the valve are drive-connected; in the process of adjusting the valve angle, the main step is to control the drive motor to drive the valve to move, so as to achieve valve angle adjustment. Specifically, the first angle is sent to the communication module so that the communication module generates a drive instruction based on the first angle, and sends the drive instruction to the drive motor, so that the drive motor drives the valve corresponding to the target terminal to move to the first angle.

[0065] Step S510: If the wind pressure in the pipe is less than the preset wind pressure value, monitor whether the first angle is the maximum valve angle;

[0066] The above-mentioned maximum valve angle refers to the maximum angle of the flow distribution valve that the control host can adjust under the first operating power, rather than the maximum angle at which the flow distribution valve can actually be opened and closed. The preset wind pressure value can be set according to actual needs and is not limited here.

[0067] Step S512: If the first angle is not the maximum valve angle, the valve angle of the flow distribution valve is adjusted successively according to a preset valve angle adjustment step until the air pressure in the pipe is greater than or equal to the preset air pressure value or the valve angle of the flow distribution valve reaches the maximum valve angle;

[0068] The specific process of adjusting the valve angle of the flow distribution valve one by one is as follows: searching for a first specified angle that matches the first angle in the angle adjustment data table; wherein the angle adjustment data table also stores a plurality of specified angles corresponding to the valves that increase in stages; starting from the first specified angle, adjusting the valve angle of the flow distribution valve one by one according to the valve angle adjustment step.

[0069] For example, the angle adjustment data table stores step-by-step increasing specified angles of 5 degrees, 10 degrees, 15 degrees, 20 degrees, 60 degrees, 80 degrees, 100 degrees, and 120 degrees. If the first specified angle matched by the first angle is 20 degrees and the valve angle adjustment step is 2, then the angle of the valve after the first adjustment is 80 degrees, and the angle of the valve after the second adjustment is 120 degrees. The valve angle adjustment step can be set according to actual needs and is not limited here.

[0070] Step S514: If the first angle is the maximum valve angle, adjust the operating power of the control host to a second operating power, and continue adjusting the valve angle of the flow distribution valve at the second operating power until the air pressure in the pipe is greater than or equal to a preset air pressure value; wherein the second operating power is greater than the first operating power;

[0071] If the valve angle of the flow distribution valve is adjusted to the maximum valve angle or the first angle is monitored to be the maximum valve angle in step S512, if the wind pressure in the pipe is less than the preset wind pressure value, it indicates that the optimal exhaust effect has not been achieved when the valve angle is adjusted to the maximum valve angle. Therefore, when the valve angle of the flow distribution valve cannot be adjusted, the operating power of the control host is further adjusted to the second operating power, and the valve angle of the flow distribution valve is readjusted under the increased second operating power. The angle adjustment process is the same as steps S508 to S512 and will not be repeated here.

[0072] If, under the second operating power, the valve angle of the flow distribution valve is adjusted to the maximum valve angle, and the wind pressure in the pipe is still lower than the preset wind pressure value, then the operating power of the control host is increased again, and the valve angle of the flow distribution valve is readjusted again under the increased operating power. The valve angle and operating power are adjusted repeatedly until the wind pressure in the pipe is still equal to or higher than the preset wind pressure value.

[0073] In this embodiment, the operating power is adjusted through a power lookup table, wherein the power lookup table stores a plurality of specific host powers that increase in a step-by-step manner. Taking the adjustment from a first operating power to a second operating power as an example, a specified power matching the first operating power is searched from the multiple specific host power information, and the host's operating power is increased from the specified power to the second operating power according to a preset power adjustment step. The power adjustment step can be set according to actual needs and is not limited here. For example, the power lookup table stores specific host powers that increase in a step-by-step manner, including 100W, 200W, 300W, 400W, 600W, 800W, and 1000W. If the first operating power is 200W and the power adjustment step is 3, the adjusted second operating power is 600W.

[0074] Step S516: If the operating power of the control host is set to the preset maximum power and the wind pressure in the pipe is less than the preset wind pressure value, an alarm signal is generated;

[0075] Step S518: Send an alarm prompt signal to the user terminal.

[0076] In this embodiment, the user terminal is communicatively connected to the control host. The user terminal can be a smart phone, smart tablet, etc. used by the user. If the operating power of the control host is adjusted to the maximum operating power, the wind pressure in the pipe is less than the preset wind pressure value, it indicates that the best exhaust effect has not been achieved. An alarm prompt signal can be generated and sent to the user terminal to prompt the user to open the window for ventilation.

[0077] Corresponding to the above method embodiment, an embodiment of the present invention provides a gas leak processing device, wherein the above device is applied to a control host of a central range hood system, and the central range hood system further includes a communication module for flow distribution valves on each floor, which is communicatively connected to the control host. The communication module is communicatively connected to a terminal, a gas sensor, and an air pressure sensor on the floor. The terminal on each floor is connected to a common flue via a connecting pipe, and the connecting pipe is provided with a flow distribution valve and an air pressure sensor. Figure 6 A schematic diagram of the structure of a gas leakage treatment device is shown. Figure 6 As shown, the device includes:

[0078] An acquisition module 602 is used to acquire the gas leakage concentration of each floor collected by the gas sensor through each communication module;

[0079] Determination module 604, configured to determine a floor with a gas leakage concentration within a preset concentration range as a gas leakage floor, activate a target terminal on the gas leakage floor, and determine the air intake required by the target terminal based on the gas leakage concentration;

[0080] The first adjustment module 606 is configured to adjust the valve angle of the flow distribution valve corresponding to the target terminal according to the air intake volume required by the target terminal, and monitor the air pressure in the connecting pipe corresponding to the target terminal collected by the air pressure sensor;

[0081] The second adjustment module 608 is used to adjust the valve angle of the flow distribution valve and / or control the operating power of the host if the wind pressure in the pipe is less than the preset wind pressure value, until the wind pressure in the pipe is greater than or equal to the preset wind pressure value.

[0082] An embodiment of the present application provides a device for handling gas leaks, which can obtain the gas leakage concentration in real time. When the gas leakage concentration is detected to be within a preset concentration range, the target terminal is turned on, and the wind pressure in the connecting pipe corresponding to the target terminal collected by the wind pressure sensor is monitored to adjust the valve angle of the flow distribution valve and / or control the operating power of the host, thereby providing maximum exhaust volume for the gas leakage floor and discharging the leaked gas in time, thereby ensuring the safety of users' lives.

[0083] The gas leakage treatment device provided in the embodiment of the present invention has the same technical features as the gas leakage treatment method provided in the above embodiment, and therefore can also solve the same technical problems and achieve the same technical effects.

[0084] The present application also provides an electronic device, such as Figure 7 As shown, it is a structural diagram of the electronic device, wherein the electronic device includes a processor 121 and a memory 120, the memory 120 stores computer executable instructions that can be executed by the processor 121, and the processor 121 executes the computer executable instructions to implement the above-mentioned method for handling gas leakage.

[0085] exist Figure 7 In the illustrated embodiment, the electronic device further includes a bus 122 and a communication interface 123 , wherein the processor 121 , the communication interface 123 and the memory 120 are connected via the bus 122 .

[0086] Among them, the memory 120 may include a high-speed random access memory (RAM), and may also include a non-volatile memory (non-volatile memory), such as at least one disk storage. The communication connection between the system network element and at least one other network element is realized through at least one communication interface 123 (which can be wired or wireless), and the Internet, wide area network, local area network, metropolitan area network, etc. can be used. The bus 122 can be an ISA (Industry Standard Architecture, Industrial Standard Architecture) bus, a PCI (Peripheral Component Interconnect, Peripheral Component Interconnect Standard) bus or an EISA (Extended Industry Standard Architecture, Extended Industry Standard Architecture) bus, etc. The bus 122 can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 7 Only one bidirectional arrow is used in the diagram, but this does not mean that there is only one bus or one type of bus.

[0087] The processor 121 may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method can be completed by hardware integrated logic circuits in the processor 121 or by software instructions. The above-mentioned processor 121 can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium mature in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers, etc. The storage medium is located in the memory, and the processor 121 reads the information in the memory and completes the steps of the gas leakage processing method of the above embodiment in combination with its hardware.

[0088] An embodiment of the present application also provides a computer-readable storage medium, which stores computer-executable instructions. When the computer-executable instructions are called and executed by a processor, the computer-executable instructions prompt the processor to implement the above-mentioned method for handling gas leaks. The specific implementation can be found in the above-mentioned method embodiment, which will not be repeated here.

[0089] The method, device and computer program product for a central range hood system for handling gas leaks provided in the embodiments of the present application include a computer-readable storage medium storing program code. The instructions included in the program code can be used to execute the methods described in the previous method embodiments. For specific implementation, please refer to the method embodiments and will not be repeated here.

[0090] Unless otherwise specifically stated, the relative steps, numerical expressions and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present application.

[0091] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a non-volatile computer-readable storage medium that is executable by a processor. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0092] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting this application. Furthermore, the terms "first," "second," and "secondary" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0093] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present application, which are used to illustrate the technical solutions of the present application, rather than to limit them. The scope of protection of the present application is not limited thereto. Although the present application has been described in detail with reference to the above-described embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily conceive of changes to the technical solutions described in the above-described embodiments within the technical scope disclosed in the present application, or perform equivalent replacements for some of the technical features thereof. These modifications, changes, or replacements do not deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application shall be subject to the scope of protection of the claims.

Claims

1. A method for handling gas leakage, characterized in that: The method is applied to a control host of a central range hood system, wherein the central range hood system further comprises a communication module for flow distribution valves on each floor, which is communicatively connected to the control host. The communication module is communicatively connected to a terminal, a gas sensor, and an air pressure sensor on the floor. The terminal on each floor is connected to a common flue via a connecting pipe, and the connecting pipe is provided with the flow distribution valve and the air pressure sensor. The method comprises: Obtaining the gas leakage concentration of each floor collected by the gas sensor through each of the communication modules; determining a floor where the gas leakage concentration is within a preset concentration range as a gas leakage floor, activating a target terminal on the gas leakage floor, and determining an air intake volume required by the target terminal based on the gas leakage concentration; adjusting the valve angle of the flow distribution valve corresponding to the target terminal according to the air intake volume required by the target terminal, and monitoring the wind pressure in the connecting pipe corresponding to the target terminal collected by the wind pressure sensor; If the wind pressure in the pipe is less than the preset wind pressure value, adjusting the valve angle of the flow distribution valve and / or the operating power of the control host until the wind pressure in the pipe is greater than or equal to the preset wind pressure value; The step of adjusting the valve angle of the flow distribution valve corresponding to the target terminal according to the air intake volume required by the target terminal includes: Adjusting the control host to a first operating power according to the air intake volume required by the target terminal; Under the first operating power, adjusting the valve angle of the flow distribution valve corresponding to the target terminal to a first angle; The step of adjusting the valve angle of the flow distribution valve and / or the operating power of the control host until the wind pressure in the pipe is greater than or equal to the preset wind pressure value includes: monitoring whether the first angle is a maximum valve angle; If the first angle is not the maximum valve angle, adjusting the valve angle of the flow distribution valve in sequence according to a preset valve angle adjustment step until the wind pressure in the pipe is greater than or equal to a preset wind pressure value or the valve angle of the flow distribution valve reaches the maximum valve angle; If the first angle is the maximum valve angle, adjust the operating power of the control host to the second operating power, and continue to adjust the valve angle of the flow distribution valve under the second operating power until the wind pressure in the pipe is greater than or equal to the preset wind pressure value; wherein, the second operating power is greater than the first operating power.

2. The method according to claim 1, characterized in that The central range hood system further includes an air supply valve and an alarm device communicatively connected to the communication module; the method further includes: Adjusting the angle of the air supply valve on the gas leakage floor to the maximum angle and generating an alarm instruction; The alarm instruction is sent to the alarm device through the communication module to trigger the alarm device to issue an alarm prompt.

3. The method according to claim 2, characterized in that The communication module is also connected to the home appliance for communication; the method further includes: When the gas leakage concentration is higher than a preset concentration range, receiving an alarm signal sent by the gas sensor through the communication module; A power-off control instruction and the alarm instruction are generated according to the alarm signal, and the power-off control instruction is sent to the household appliance through the communication module to control the household appliance to power off, and the alarm instruction is sent to the alarm device to trigger the alarm device to issue an alarm prompt.

4. The method according to claim 1, wherein The step of determining the air intake volume required by the target terminal based on the gas leakage concentration includes: The air intake volume corresponding to the gas leakage concentration is queried in an air intake volume query table; wherein the air intake volume query table stores a correspondence between the gas leakage concentration and the air intake volume.

5. The method according to claim 1, wherein Under the first operating power, the step of adjusting the valve angle of the flow distribution valve corresponding to the target terminal to a first angle includes: Searching for a first angle matching the first operating power in an angle adjustment data table; wherein the angle adjustment data table stores a correspondence between the valve angle of the flow distribution valve and the operating power; The valve angle of the flow distribution valve corresponding to the target terminal is adjusted to the first angle.

6. The method according to claim 5, characterized in that The flow distribution valve further includes a driving motor and a valve, wherein the driving motor is communicatively connected to the communication module, and the driving motor is drivingly connected to the valve; The step of adjusting the valve angle of the flow distribution valve corresponding to the target terminal to the first angle includes: The first angle is sent to the communication module, so that the communication module generates a driving instruction based on the first angle, and sends the driving instruction to the driving motor, so that the driving motor drives the valve corresponding to the target terminal to move to the first angle.

7. The method according to claim 1, characterized in that The step of successively adjusting the valve angle of the flow distribution valve according to a preset valve angle adjustment step includes: Searching the angle adjustment data table for a first designated angle that matches the first angle; wherein the angle adjustment data table further stores a plurality of designated angles corresponding to the valve in increasing stages; Starting from the specified angle, the valve angle of the flow distribution valve is adjusted successively according to the valve angle adjustment step.

8. The method according to claim 1, characterized in that The control host is also in communication with the user terminal; the method further includes: If the operating power of the control host is turned to the preset maximum power and the wind pressure in the pipe is lower than the preset wind pressure value, an alarm prompt signal is generated; The alarm prompt signal is sent to the user terminal.

9. A device for handling gas leakage, characterized in that: The device is applied to a control host of a central range hood system, which further includes a communication module for flow distribution valves on each floor, which is communicatively connected to the control host. The communication module is communicatively connected to a terminal, a gas sensor, and an air pressure sensor on the floor. The terminal on each floor is connected to a common flue via a connecting pipe, on which the flow distribution valve and the air pressure sensor are installed. The device includes: an acquisition module, configured to acquire the gas leakage concentration of each floor collected by the gas sensor through each of the communication modules; a determination module, configured to determine a floor where the gas leakage concentration is within a preset concentration range as a gas leakage floor, activate a target terminal on the gas leakage floor, and determine an air intake volume required for the target terminal based on the gas leakage concentration; a first adjustment module, configured to adjust the valve angle of the flow distribution valve corresponding to the target terminal according to the air intake volume required by the target terminal, and monitor the wind pressure in the connecting pipe corresponding to the target terminal collected by the wind pressure sensor; a second adjustment module, configured to adjust the valve angle of the flow distribution valve and / or the operating power of the control host if the wind pressure in the pipe is less than a preset wind pressure value, until the wind pressure in the pipe is greater than or equal to the preset wind pressure value; The first adjustment module is used to adjust the control host to a first operating power according to the air intake volume required by the target terminal; under the first operating power, adjust the valve angle of the flow distribution valve corresponding to the target terminal to a first angle The second adjustment module is used to monitor whether the first angle is the maximum valve angle; if the first angle is not the maximum valve angle, the angle of the valve of the flow distribution valve is adjusted successively according to the preset valve angle adjustment step until the wind pressure in the pipe is greater than or equal to the preset wind pressure value or the angle of the valve of the flow distribution valve reaches the maximum valve angle; if the first angle is the maximum valve angle, the operating power of the control host is adjusted to the second operating power, and the angle of the valve of the flow distribution valve is continued to be adjusted at the second operating power until the wind pressure in the pipe is greater than or equal to the preset wind pressure value; wherein, the second operating power is greater than the first operating power.

10. A central range hood system, characterized in that: The central range hood system includes a control host, and a communication module for the flow distribution valve on each floor, which is communicatively connected to the control host. The communication module is communicatively connected to the terminal, gas sensor, and wind pressure sensor on the floor. The terminal on each floor is connected to the public flue via a connecting pipe, and the flow distribution valve and wind pressure sensor are provided on the connecting pipe. Wherein, the control host is used to execute the method for handling gas leakage as described in any one of claims 1-8.

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