Control method and system of check valve, electronic device, computer storage medium

Abstract

The application discloses a control method and system of a check valve, an electronic device and a computer storage medium, and is applied to a control device of the check valve. The method comprises the following steps: obtaining a device temperature rise of the control device within a first preset time length; determining a running time length of the check valve according to the device temperature rise; and controlling an opening angle of the check valve according to the running time length. The check valve is controlled in a low-cost mode, other detection devices do not need to be added, the cost is reduced, the control mode is accurate, and the influence of air duct pressure on the opening of the check valve is reduced.

Description

Technical Field

[0001] This invention relates to the field of fan control technology, and in particular to a control method and system for a check valve, electronic equipment, and computer storage medium. Background Technology

[0002] With urbanization, high-rise buildings are becoming increasingly common. These buildings typically have shared ventilation ducts for residents to exhaust smoke. However, this often leads to blockages in these ducts, resulting in poor smoke extraction from indoor range hoods. Therefore, some high-rise buildings install large fans on the rooftop, which, in conjunction with backflow preventers in each resident's home, open at different angles to rationally distribute the airflow within the ventilation duct.

[0003] When the electric check valve at the user's air outlet opens, the pressure in the flue creates resistance, preventing the valve from opening to the designated angle within a given operating time. This affects the user's smoke extraction efficiency. The conventional approach is to add angle sensors, such as Hall effect sensors, for angle detection and control, allowing the check valve to open to the specified angle. However, adding Hall effect sensors increases the manufacturing cost of the check valve, and check valves with added Hall effect sensors cannot be used in existing products due to the added detection port, making them impractical. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defect in the prior art that the check valve cannot be opened to a specified angle due to the pressure of the flue, and to provide a control method and system for the check valve, electronic equipment, and computer storage medium.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] Firstly, a control method for a check valve is provided, applied to a control device of the check valve, the method comprising:

[0007] Obtain the device temperature rise of the control device within a first preset time period;

[0008] The operating time of the check valve is determined based on the temperature rise of the device.

[0009] The opening angle of the check valve is controlled according to the running time.

[0010] Optionally, obtaining the device temperature rise of the control device within a first preset time period includes:

[0011] When the opening angle of the check valve reaches the target angle, the temperature rise of the device is obtained;

[0012] Alternatively, the device temperature rise can be obtained when the current running time of the check valve reaches a time threshold.

[0013] Optionally, determining the operating time of the check valve based on the temperature rise of the device includes:

[0014] Based on the correspondence between temperature rise and the running time required for the check valve to open by a unit angle, determine the running time required for the check valve to open by a unit angle corresponding to the temperature rise of the device.

[0015] The operating time of the check valve is determined based on the operating time required for the check valve to open by a unit angle.

[0016] Optionally, determining the operating time of the check valve based on the temperature rise of the device includes:

[0017] Based on the correlation between temperature rise and air duct pressure, determine the current air duct pressure corresponding to the temperature rise of the device;

[0018] Based on the correspondence between the duct pressure and the operating time required for the check valve to open by a unit angle, determine the operating time required for the check valve to open by a unit angle corresponding to the current duct pressure.

[0019] The operating time of the check valve is determined based on the operating time required for the check valve to open by a unit angle.

[0020] Optionally, the step of determining the correspondence between the duct pressure and the operating time required for the check valve to open by a unit angle includes:

[0021] Experimental data were obtained under different duct pressure environments; the experimental data included the device temperature rise of the controller within a second preset time period and the opening angle of the check valve within a second preset time period.

[0022] By fitting the experimental data, the correspondence between the duct pressure and the operating time required for the check valve to open by a unit angle is determined.

[0023] Optionally, the relationship between the temperature rise and the running time required for the check valve to open by a unit angle can be represented by at least one of tables, functions, and models.

[0024] Optionally, the relationship between the temperature rise and the duct pressure can be represented by at least one of tables, functions, and models;

[0025] The relationship between the duct pressure and the operating time required for the check valve to open by a unit angle can be represented by at least one of the following: tables, functions, and models.

[0026] Optionally, the check valve is applied to a range hood; the step of determining the operating time of the check valve based on the operating time required for the check valve to open by a unit angle includes:

[0027] The specified angle for opening the check valve is determined based on the operating rate of the range hood in the flue and / or the height of the range hood; wherein, the operating rate is the ratio of the number of range hoods in operation to the total number of range hoods in the flue;

[0028] The operating time of the check valve is determined based on the operating time required for the check valve to open by a unit angle and the specified opening angle of the check valve. Secondly, a control system for a check valve is provided, and a controller for the check valve is applied to the control device of the check valve. The system includes:

[0029] The acquisition module is used to acquire the device temperature rise of the control device within a first preset time period;

[0030] A determination module is used to determine the operating time of the check valve based on the temperature rise of the device;

[0031] The control module is used to control the opening angle of the check valve according to the running time.

[0032] Thirdly, an electronic device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements the control method for the check valve as described in the first aspect.

[0033] Fourthly, a computer storage medium is provided, on which a computer program is stored, characterized in that, when the computer program is executed by a processor, it implements the control method for the check valve as described in the first aspect.

[0034] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of the present invention.

[0035] The positive and progressive effects of this invention are as follows: by obtaining the temperature rise of the device related to the wind force or flue pressure in the environment where the check valve is located, the operating time of the check valve can be determined, thereby effectively controlling the check valve to operate to a specified angle, controlling the check valve in a low-cost manner, reducing the influence of duct pressure on the opening of the check valve, improving the wind resistance of the check valve, and eliminating the need to add other detection devices, thus reducing costs and providing precise control. Attached Figure Description

[0036] Figure 1 A flowchart illustrating a control method for a check valve provided in an embodiment of the present invention;

[0037] Figure 2 A flowchart illustrating another control method for a check valve provided in an embodiment of the present invention;

[0038] Figure 3 This is a block diagram of a control system for a check valve provided in an embodiment of the present invention. Detailed Implementation

[0039] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0040] like Figure 1 As shown, the control method for a check valve provided in this embodiment of the invention includes the following steps:

[0041] Step S11: Obtain the device temperature rise of the control device within the first preset time period.

[0042] The temperature rise of the device is related to the wind force or flue pressure in the environment where the check valve is located.

[0043] The control device of the check valve includes a control chip or control circuit inside the check valve. The control circuit includes an H-bridge chip circuit or other control circuits, and the temperature rise of the device is obtained through the temperature sensor of the check valve.

[0044] In one embodiment, when the check valve opens at 0°, that is, when the check valve is just started, the temperature of the controller is detected, and the device temperature rise is determined based on at least two controller temperatures detected within a first preset time period.

[0045] In this embodiment, the check valve control is divided into two stages: a detection stage and a control stage. The detection stage acquires the device temperature rise, and the control stage determines the running time and controls the check valve (see steps S12 and S13 below). The two-stage control method can detect changes in the device temperature rise of the controller in a timely manner and can control the check valve in a timely and accurate manner.

[0046] In one embodiment, the device temperature rise is obtained when the check valve opens to the target angle.

[0047] Since the temperature rise of the device is small when the check valve opens from 0° to the target angle, but the temperature of the control device increases significantly relative to the ambient temperature after the check valve opens to the target angle, it can more accurately reflect the wind force or flue pressure in the environment where the check valve is located. Therefore, controlling the check valve based on the device temperature rise obtained when the check valve opens to the target angle is highly effective and accurate, and can reduce the number of temperature rise calculations and power consumption.

[0048] In this embodiment, the check valve control is divided into three stages: a startup stage, a detection stage, and a control stage. The startup stage detects whether the target angle has been reached; the detection stage acquires the device temperature rise; and the control stage determines the operating time and controls the check valve (see steps S12 and S13 below). Detecting whether the check valve has reached the target angle can be achieved, but is not limited to, using an ultrasonic sensor; or it can be achieved through a mechanical structure, for example, by placing an elastic component on the opening path of the check valve at the target angle. This elastic component deforms based on the pressure applied during the opening process of the check valve; therefore, if the elastic component deforms, it is determined that the opening angle of the check valve has reached the target angle.

[0049] The device temperature rise can be the temperature difference between the controller and the ambient temperature within a first preset time period; the device temperature rise can also be the temperature change of the controller itself within the first preset time period.

[0050] The target angle can be set according to the actual situation, for example (0°, 20°).

[0051] The unit angle is the unit step size for the valve to open the backflow preventer. The unit angle can be set according to the actual situation, such as 1°, 2° or other angles.

[0052] In one embodiment, the current device temperature rise is obtained based on the temperature change trend and / or temperature difference change trend within a first preset time period.

[0053] By analyzing the temperature and / or temperature difference change trend of the control device within the first preset time period, the change law of temperature and / or temperature difference is obtained, thereby determining the current device temperature rise.

[0054] In one embodiment, the device temperature rise is obtained when the current running time of the check valve reaches a duration threshold.

[0055] Similar to the target perspective, during the initial startup phase of the check valve, i.e., from the startup time to the time threshold, the device temperature rise is relatively small. However, after the current running time of the check valve reaches the time threshold, the temperature of the control device increases significantly relative to the ambient temperature. This can accurately reflect the wind force or flue pressure in the environment where the check valve is located. Therefore, controlling the check valve based on the device temperature rise obtained after the current running time of the check valve reaches the time threshold is highly effective and accurate, and can reduce the number of temperature rise calculations and reduce power consumption.

[0056] In this embodiment, the check valve control is divided into three stages: the start-up stage, the detection stage, and the control stage. The start-up stage detects whether the duration threshold has been reached. The detection stage acquires the device temperature rise. The control stage determines the running time and controls the check valve (see steps S12 and S13 below).

[0057] The duration threshold is less than the operating time of the check valve. The duration threshold can be set according to the actual situation, for example (0s, 5s). Step S12: Determine the operating time of the check valve based on the device temperature rise.

[0058] Since ambient wind force or duct pressure creates resistance to the opening of the check valve, in the prior art, the check valve is controlled according to a fixed control program. When the check valve stops running, it cannot operate to the specified angle. In this embodiment, the temperature rise of the control device related to ambient wind force or duct pressure is collected, and the running time required for the check valve to open to the specified angle is determined based on the temperature rise of the device. This ensures that the check valve operates to the specified angle, reduces the impact of duct pressure on the opening of the check valve, and thus improves the wind resistance of the check valve.

[0059] In one embodiment, S12 includes:

[0060] S121. Based on the correspondence between temperature rise and the running time required for the check valve to open by a unit angle, determine the running time required for the check valve to open by a unit angle corresponding to the device temperature rise.

[0061] The corresponding relationship includes the relationship between temperature rise and the running time required for the check valve to open by a unit angle. In practical applications, the running time required for the check valve to open by a unit angle varies with the duct pressure. Temperature rise is directly proportional to duct pressure. In different operating environments, the running time required for the check valve to open by a unit angle is determined according to different duct pressures. The running time of the check valve is determined by combining various influencing factors in different operating environments, so that the check valve opens at an angle that matches the current duct pressure within a specified time.

[0062] In one embodiment, the relationship between temperature rise and the running time required for the check valve to open by a unit angle can be represented by at least one of tables, functions, and models.

[0063] The correspondence representation method provided by the present invention includes at least one of tables, functions, and models. The correspondence between temperature rise and the running time required for the check valve to open by a unit angle is obtained by determining the model, functional relationship, or looking up the table.

[0064] In one embodiment, the function is obtained by fitting historical data, which represents the correspondence between temperature rise and the running time required for the check valve to open by a unit angle. The current temperature rise is input into the function to obtain the running time required for the current check valve to open by a unit angle, and the operation of the check valve is controlled according to the running time.

[0065] In one embodiment, the table is established based on historical data, representing the correspondence between temperature rise and the running time required for the check valve to open by a unit angle. The current temperature rise is obtained by corresponding to the data in the table, and the running time required for the current check valve to open by a unit angle is obtained. The operation of the check valve is controlled according to the running time.

[0066] In one embodiment, historical temperature rise data is used as training samples to train a neural network to obtain a model of the corresponding relationship. The current temperature rise under different conditions is input into the model to obtain the running time required for the current check valve to open by a unit angle. The operation of the check valve is controlled according to the running time.

[0067] S122. Determine the running time of the check valve based on the running time required for the check valve to open by a unit angle.

[0068] In one embodiment, the check valve is applied to a range hood. The step of determining the operating time of the check valve based on the operating time required to open a unit angle includes: determining the specified opening angle of the check valve based on the operating rate of the flue where the range hood is located; wherein, the operating rate is the ratio of the number of operating range hoods in the flue to the total number of range hoods; and determining the operating time of the check valve based on the operating time required to open a unit angle and the specified opening angle. When the operating rate of the range hood is low, the pressure is low, the flue resistance is low, the specified opening angle of the check valve is large, and the operating time of the check valve is long. When the operating rate of the range hood is high, the pressure increases with the increase in the operating rate, the flue resistance is high, the specified opening angle of the check valve is small, and the operating time of the check valve is short. That is, the specified angle is negatively correlated with the flue resistance. The specific calculation method for the specified angle can be found in relevant technical records and will not be elaborated here.

[0069] In one embodiment, the check valve is applied to a range hood; the step of determining the operating time of the check valve based on the operating time required for the check valve to open by a unit angle includes: determining a specified angle for the check valve to open based on the height of the range hood; and determining the operating time of the check valve based on the operating time required for the check valve to open by a unit angle and the specified angle for the check valve to open.

[0070] Lower floors have higher wind pressure, so the check valve opens to a smaller angle and operates for a shorter time; higher floors have lower wind pressure, so the check valve opens to a larger angle and operates for a longer time.

[0071] In one embodiment, the check valve is applied to a range hood; the step of determining the operating time of the check valve based on the operating time required for the check valve to open by a unit angle includes: determining a specified opening angle of the check valve based on the operating rate of the flue where the range hood is located and the height of the range hood; wherein, the operating rate is the ratio of the number of range hoods in operation in the flue to the total number of range hoods; and determining the operating time of the check valve based on the operating time required for the check valve to open by a unit angle and the specified opening angle of the check valve.

[0072] When the range hood is used frequently and the floor is high, the check valve opens at a large angle and runs for a long time; when the range hood is used frequently and the floor is low, the check valve opens at a small angle and runs for a short time.

[0073] In one embodiment, S12 includes:

[0074] S121' Determine the current air duct pressure corresponding to the temperature rise of the device based on the relationship between temperature rise and air duct pressure.

[0075] The corresponding relationship includes the relationship between temperature rise and duct pressure. Under different duct pressures, the check valve is operated. When the check valve operates for a second preset time, the temperature rise of the check valve under different duct pressures is detected to obtain the corresponding relationship between temperature rise and duct pressure.

[0076] In one embodiment, the relationship between temperature rise and duct pressure is represented by at least one of tables, functions, and models. The relationship between temperature rise and duct pressure is obtained through a defined model, functional expression, or table lookup.

[0077] In one embodiment, the function is obtained by fitting historical data and represents the correspondence between temperature rise and duct pressure. The current temperature rise is input into the function to obtain the current duct pressure.

[0078] In one embodiment, the table is established based on historical data, representing the correspondence between temperature rise and duct pressure. The current duct pressure is obtained by corresponding the current temperature rise to the data in the table.

[0079] In one embodiment, historical temperature rise data is used as training samples to train a neural network to obtain a model of the corresponding relationship. The current temperature rise under different conditions is input into the model to obtain the current duct pressure.

[0080] S122' Determine the operating time required for the check valve to open by a unit angle corresponding to the current air duct pressure, based on the correspondence between the air duct pressure and the operating time required for the check valve to open by a unit angle.

[0081] S123' Determine the running time of the check valve based on the running time required for the check valve to open by a unit angle.

[0082] In one embodiment, the step of determining the correspondence between duct pressure and the operating time required for the check valve to open by a unit angle includes:

[0083] Experimental data were obtained under different duct pressure environments; the experimental data included the device temperature rise of the controller within a second preset time period and the opening angle of the check valve within a second preset time period.

[0084] By fitting experimental data, the relationship between duct pressure and the operating time required for the check valve to open by a unit angle was determined.

[0085] The correspondence includes the relationship between the duct pressure and the running time required for the check valve to open by a unit angle. The check valve is operated under different duct pressures. When the running time of the check valve is the second preset time, the device temperature rise of the check valve under different duct pressures and the opening angle of the check valve within the second preset time are detected to obtain the correspondence between the duct pressure and the running time required for the check valve to open by a unit angle.

[0086] In one embodiment, the relationship between duct pressure and the runtime required for the check valve to open by a unit angle can be represented by at least one of tables, functions, and models. The relationship between duct pressure and the runtime required for the check valve to open by a unit angle is obtained through a defined model, functional expression, or table lookup.

[0087] In one embodiment, the function is obtained by fitting historical data, which represents the correspondence between the duct pressure and the running time required for the check valve to open by a unit angle. The current duct pressure is input into the function to obtain the running time required for the current check valve to open by a unit angle, and the operation of the check valve is controlled according to the running time.

[0088] In one embodiment, the table is established based on historical data, representing the correspondence between the duct pressure and the running time required for the check valve to open by a unit angle. The current duct pressure is matched with the data in the table to obtain the running time required for the current check valve to open by a unit angle, and the operation of the check valve is controlled according to the running time.

[0089] In one embodiment, historical data of duct pressure is used as training samples to train a neural network to obtain a model of the corresponding relationship. The current duct pressure under different conditions is input into the model to obtain the running time required for the current check valve to open by a unit angle. The operation of the check valve is controlled according to the running time.

[0090] Step S13: Control the opening angle of the check valve according to the running time.

[0091] The device temperature rise within a first preset time period is obtained. The current working state of the check valve is determined by the device temperature rise, thereby determining the time required for the check valve to run to a specified angle. This controls the check valve to run to the specified angle, reduces the influence of duct pressure on the opening of the check valve, improves the accuracy of the check valve in measuring duct pressure, and thus improves the wind resistance of the check valve.

[0092] The following example, using a two-stage control method, further illustrates the control method of the check valve. (See also...) Figure 2 The method includes the following steps:

[0093] Open the check valve and determine the temperature rise c of the detection device during the detection phase (running time Tb);

[0094] The air duct pressure p is determined by the temperature rise c of the device, and the running time t required for the check valve to open by a unit angle is obtained by the air duct pressure p.

[0095] The total operating time T for the check valve to open to a specified angle R is determined by the following formula: T = R * t.

[0096] The remaining running time of the check valve is calculated using the following formula: Ts = T - Tb.

[0097] After the check valve continues to operate for a time Ts, the check valve opens to a specified angle R, and then the check valve stops operating.

[0098] Corresponding to the aforementioned control method embodiment for the check valve, the present invention also provides an embodiment for a control system for the check valve.

[0099] This invention also provides a control system for a check valve, such as... Figure 3 As shown, the control system includes:

[0100] The acquisition module 31 is used to acquire the device temperature rise of the control device within a first preset time period;

[0101] The determination module 32 is used to determine the operating time of the check valve based on the temperature rise of the device;

[0102] The control module 33 is used to control the opening angle of the check valve according to the running time.

[0103] In one embodiment, the acquisition module includes:

[0104] The first acquisition unit is used to acquire the temperature rise of the device when the opening angle of the check valve reaches the target angle;

[0105] The second acquisition unit is used to acquire the temperature rise of the device when the current running time of the check valve reaches a time threshold.

[0106] In one embodiment, the determining module includes:

[0107] The first determining unit is used to determine the operating time required for the check valve to open a unit angle corresponding to the temperature rise of the device, based on the correspondence between the temperature rise and the operating time required for the check valve to open a unit angle.

[0108] The second determining unit is used to determine the running time of the check valve based on the running time required for the check valve to open by a unit angle.

[0109] In one embodiment, the determining module further includes:

[0110] The third determining unit is used to determine the current air duct pressure corresponding to the temperature rise of the device based on the correspondence between temperature rise and air duct pressure.

[0111] The fourth determining unit is used to determine the operating time required for the check valve to open a unit angle corresponding to the current air duct pressure, based on the correspondence between the air duct pressure and the operating time required for the check valve to open a unit angle.

[0112] The fifth determining unit is used to determine the operating time of the check valve based on the operating time required for the check valve to open by a unit angle.

[0113] In one embodiment, the determining module further includes:

[0114] The third acquisition unit is used to acquire experimental data under different duct pressure environments; wherein, the experimental data includes the device temperature rise of the control device within a second preset time period and the opening angle of the check valve within a second preset time period;

[0115] The sixth determining unit is used to fit the experimental data and determine the correspondence between the duct pressure and the running time required for the check valve to open by a unit angle.

[0116] Optionally, the relationship between the temperature rise and the running time required for the check valve to open by a unit angle can be represented by at least one of tables, functions, and models.

[0117] Optionally, the relationship between the temperature rise and the duct pressure can be represented by at least one of tables, functions, and models;

[0118] The relationship between the duct pressure and the operating time required for the check valve to open by a unit angle can be represented by at least one of the following: tables, functions, and models.

[0119] For the system embodiments, since they basically correspond to the method embodiments, the relevant parts can be referred to in the description of the method embodiments. The system embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of the present invention according to actual needs. Those skilled in the art can understand and implement this without creative effort.

[0120] This invention also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements the control method for the check valve provided in any of the above embodiments.

[0121] This invention also provides a computer storage medium storing a computer program, which, when executed by a processor, implements the check valve control method provided in any of the above embodiments.

[0122] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. A control method of a check valve, characterized by, The application is applied to a control device of a check valve applied to a smoke machine, and the method comprises the following steps: Obtaining a device temperature rise of the control device within a first preset time period; Determining a running time period of the check valve according to the device temperature rise; Controlling an opening angle of the check valve according to the running time period; The step of determining the running time period of the check valve according to the device temperature rise comprises the following steps: According to a corresponding relationship between the temperature rise and a running time period required for a unit opening angle of the check valve, a running time period required for a unit opening angle of the check valve corresponding to the device temperature rise is determined; The running time period of the check valve is determined according to the running time period required for the unit opening angle of the check valve; The step of determining the running time period of the check valve according to the device temperature rise comprises the following steps: According to a corresponding relationship between the temperature rise and a current flue pressure corresponding to the device temperature rise, the current flue pressure corresponding to the device temperature rise is determined; According to a corresponding relationship between the flue pressure and a running time period required for a unit opening angle of the check valve, a running time period required for a unit opening angle of the check valve corresponding to the current flue pressure is determined; The running time period of the check valve is determined according to the running time period required for the unit opening angle of the check valve; The step of determining the running time period of the check valve according to the running time period required for the unit opening angle of the check valve comprises the following steps: According to a starting rate of a flue where the smoke machine is located and / or a height where the smoke machine is located, a specified opening angle of the check valve is determined; wherein the starting rate is a ratio of a starting number of the smoke machine in the flue to a total number of the smoke machine; The running time period of the check valve is determined according to the running time period required for the unit opening angle of the check valve and the specified opening angle of the check valve.

2. The control method according to claim 1, characterized by, The step of obtaining the device temperature rise of the control device within the first preset time period comprises the following steps: When the opening angle of the check valve reaches a target angle, the device temperature rise is obtained; Or, when a current running time period of the check valve reaches a time period threshold, the device temperature rise is obtained.

3. The control method according to claim 1, characterized by, The step of determining the corresponding relationship between the flue pressure and the running time period required for the unit opening angle of the check valve comprises the following steps: Under different flue pressure environments, experimental data is obtained; wherein the experimental data comprises a device temperature rise of the control device within a second preset time period and an opening angle of the check valve within the second preset time period; The experimental data is fitted to determine the corresponding relationship between the flue pressure and the running time period required for the unit opening angle of the check valve.

4. The control method according to claim 1, characterized by, The representation mode of the corresponding relationship between the temperature rise and the running time period required for the unit opening angle of the check valve comprises at least one of a table, a function and a model.

5. The control method according to claim 4, characterized by, The representation mode of the corresponding relationship between the temperature rise and the flue pressure comprises at least one of a table, a function and a model; The representation mode of the corresponding relationship between the flue pressure and the running time period required for the unit opening angle of the check valve comprises at least one of a table, a function and a model.

6. A control system for a check valve, characterized by The control system is used for realizing the control method in any one of claims 1-5, and the system comprises: An obtaining module is used for obtaining a device temperature rise of the control device within a first preset time period; A determining module is used for determining a running time period of the check valve according to the device temperature rise; A control module is configured to control an opening angle of the check valve according to the running time.

7. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, The computer program is executed by the processor to implement the control method of the check valve according to any one of claims 1-5.

8. A computer storage medium having stored thereon a computer program, characterized in that The computer program is executed by the processor to implement the control method of the check valve according to any one of claims 1-5.

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