An electrostatic filter control method, device, system and storage medium

Abstract

This invention relates to the field of air purification technology, specifically to a method, device, system, and storage medium for controlling an electrostatic filter. The method includes: acquiring the airflow velocity through the electrostatic filter in real time; determining whether the airflow velocity is within the rated airflow velocity range; adjusting the voltage of the electrostatic filter when the airflow velocity is below the rated airflow velocity range; and adjusting the cross-sectional area and / or filter element pleat angle of the electrostatic filter when the airflow velocity is above the rated airflow velocity range but below or equal to the airflow velocity adjustment threshold. By implementing this invention, the voltage of the electrostatic filter is adjusted when the airflow velocity is above the rated airflow velocity range, and the cross-sectional area or filter element pleat angle is adjusted when the airflow velocity is below the rated airflow velocity range. Therefore, this control method reduces the adjustment of the electric field strength while maintaining high efficiency when the airflow velocity is above the rated airflow velocity range, avoiding problems such as energy consumption, a sharp increase in ozone, and breakdown caused by increasing the electric field strength. It also promptly reduces the voltage when the airflow velocity is below the rated airflow velocity range, reducing energy waste.

Description

Technical Field

[0001] This invention relates to the field of air purification technology, specifically to an electrostatic filter control method, device, system, and storage medium. Background Technology

[0002] Air pollutants not only harm human health but also restrict many industrial production processes. Therefore, air filters are needed to remove air pollutants. Electrostatic filters, as a new type of air filter, achieve filtration by generating electrostatic forces through charging pollutants or the filter itself, and by strengthening the interaction between pollutants and the filter, thus improving filtration efficiency. However, electrostatic filters are highly sensitive to airflow velocity; increased airflow velocity and volume lead to a significant decrease in efficiency. Therefore, a control method is needed to maintain high efficiency for electrostatic filters across a wide range of airflow rates.

[0003] Existing technologies can adjust the filtration efficiency of pollutants by regulating the electrostatic force between them and the filter, either by adjusting the electric field strength applied to charge the pollutants or by adjusting the electric field strength applied to the filter. However, this method has drawbacks. Increasing the electric field strength inevitably leads to increased energy consumption and ozone generation. Especially when the electric field strength is very high, energy consumption and ozone generation increase dramatically, while the efficiency improvement is relatively insignificant. Furthermore, it introduces the risk of electrical breakdown, posing a safety hazard. Therefore, alternative control methods are needed to ensure that the electrostatic filter maintains high efficiency across a wide range of airflow rates, avoiding problems such as rapid increases in energy consumption and ozone generation, as well as breakdown. Summary of the Invention

[0004] In view of this, the present invention provides an electrostatic filter control method, device, system and storage medium to solve the problems of energy consumption, ozone surge and breakdown that are common in current air filter control methods.

[0005] In a first aspect, the present invention provides an electrostatic filter control method, the method comprising: acquiring the wind speed flowing through the electrostatic filter in real time; determining whether the wind speed is within the rated wind speed range; adjusting the voltage of the electrostatic filter when the wind speed is less than the rated wind speed range; and adjusting the cross-sectional area and / or filter element pleat angle of the electrostatic filter when the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold.

[0006] The electrostatic filter control method provided in this invention acquires the airflow velocity of the electrostatic filter in real time. When the airflow velocity is outside the rated airflow velocity range (e.g., below the rated airflow velocity range), the voltage of the electrostatic filter is adjusted. When the airflow velocity is above the rated airflow velocity range, the cross-sectional area or the filter element pleat angle is adjusted, thereby ensuring that the filtration velocity flowing through the filter material remains constant. Therefore, this control method reduces the adjustment of the electric field strength while maintaining high efficiency when the airflow velocity is above the rated airflow velocity range, avoiding problems such as increased energy consumption, a sharp increase in ozone, and breakdown caused by increasing the electric field strength. When the airflow velocity is below the rated airflow velocity range, the voltage can be reduced in a timely manner, reducing energy waste.

[0007] In one optional implementation, when the wind speed is less than the rated wind speed range, adjusting the voltage of the electrostatic filter includes: when the wind speed is less than the rated wind speed range but greater than or equal to a first threshold, adjusting the polarization voltage of the electrostatic filter according to the relationship between wind speed and polarization voltage, wherein the first threshold is less than the rated wind speed range; when the wind speed is less than the first threshold but greater than or equal to a second threshold, adjusting the discharge voltage of the electrostatic filter according to the relationship between wind speed and discharge voltage, wherein the second threshold is less than the first threshold; and when the wind speed is less than the second threshold, controlling the electrostatic filter to operate with parameters corresponding to the wind speed at the second threshold, and outputting an alarm signal.

[0008] In this embodiment, since adjusting the polarization voltage has a smaller impact on the overall performance of the electrostatic filter, when the wind speed is less than the rated wind speed range, the polarization voltage is adjusted first, followed by the discharge voltage. Simultaneously, when the wind speed is less than the second threshold, an alarm signal is output to avoid health or production risks caused by reduced filtration efficiency or reduced clean air volume.

[0009] In one optional implementation, when the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjusting the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle includes: when the wind speed is greater than the rated wind speed range but less than or equal to a third threshold, adjusting the cross-sectional area of ​​the electrostatic filter according to the relationship between wind speed and cross-sectional area, wherein the third threshold is greater than the rated wind speed range; when the wind speed is greater than the third threshold but less than or equal to the wind speed adjustment threshold, adjusting the filter element pleat angle of the electrostatic filter according to the relationship between wind speed and filter element pleat angle, wherein the wind speed adjustment threshold is greater than the third threshold.

[0010] In an optional implementation, the method further includes: when the wind speed is greater than the wind speed adjustment threshold but less than or equal to the working threshold, adjusting the discharge voltage of the electrostatic filter according to the relationship between the wind speed and the discharge voltage, wherein the working threshold is greater than the wind speed adjustment threshold; when the wind speed is greater than the working threshold, controlling the electrostatic filter to operate with the parameters corresponding to the wind speed as the working threshold, and outputting an alarm signal.

[0011] In this embodiment, when the wind speed exceeds the rated wind speed range, the electrostatic filter maintains the polarization voltage at the rated voltage because the polarization voltage has already reached its maximum adjustable level. Furthermore, since the pleat angle is at its maximum and the airflow cross-sectional area is at its minimum within the rated wind speed range, increasing the airflow cross-sectional area at this time not only reduces the average wind speed most quickly but also best reduces system resistance and energy loss; therefore, the cross-sectional area is adjusted first. Decreasing the pleat angle also achieves the goal of reducing wind speed, system resistance, and energy loss; therefore, the pleat angle is adjusted second. After completing these two steps, the average wind speed cannot be further adjusted; the only remaining step is to increase the discharge voltage to improve filtration efficiency.

[0012] In one optional implementation, real-time acquisition of the wind speed flowing through the electrostatic filter includes: measuring multiple wind speed values ​​using multiple wind speed sensors installed on the cross-section of the air supply section of the electrostatic filter; determining whether the measured wind speed value is a valid wind speed based on the installation position of each wind speed sensor; and determining the wind speed flowing through the electrostatic filter based on the number of wind speed sensors whose measured wind speed values ​​are valid wind speeds and the corresponding valid wind speeds.

[0013] In this embodiment, the number of wind speed sensors whose measured wind speed values ​​are valid is determined based on the location of the wind speed sensors, thereby making the determination of the wind speed flowing through the electrostatic filter more accurate.

[0014] In one optional implementation, the method further includes: acquiring the discharge current and polarization current of the electrostatic filter; and adjusting the voltage of the electrostatic filter according to the magnitude of the discharge current and polarization current and the operating current.

[0015] In one optional implementation, the operating current includes a first discharge threshold current, a second discharge threshold current, and a polarization threshold current. The voltage of the electrostatic filter is adjusted according to the magnitude of the discharge current and the polarization current relative to the operating current, including: outputting an alarm signal when the discharge current is less than the first discharge threshold current; reducing the discharge voltage of the electrostatic filter when the discharge current is greater than the second discharge threshold current; and reducing the polarization voltage of the electrostatic filter when the polarization current is greater than the polarization threshold current.

[0016] In this embodiment, by measuring the discharge current and polarization current, when they do not meet the operating current requirements, the discharge voltage or polarization voltage is adjusted to avoid unsafe phenomena such as breakdown.

[0017] Secondly, the present invention provides an electrostatic filter control device, the device comprising: a wind speed acquisition module for acquiring the wind speed flowing through the electrostatic filter in real time; a judgment module for judging whether the wind speed is within the rated wind speed range; a first adjustment module for adjusting the voltage of the electrostatic filter when the wind speed is less than the rated wind speed range; and a second adjustment module for adjusting the cross-sectional area and / or filter element pleat angle of the electrostatic filter when the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold.

[0018] Thirdly, the present invention provides an electrostatic filter control system, the system comprising: a wind speed sensor for acquiring the wind speed flowing through the electrostatic filter in real time; a signal processing terminal for determining whether the wind speed is within the rated wind speed range; when the wind speed is less than the rated wind speed range, controlling a voltage output controller to adjust the voltage of the electrostatic filter; when the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, controlling a cross-sectional area controller to adjust the cross-sectional area of ​​the electrostatic filter; and / or controlling a pleat controller to control the pleat angle of the filter element.

[0019] Fourthly, the present invention provides a computer device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, and the processor executing the computer instructions to perform the electrostatic filter control method of the first aspect or any corresponding embodiment described above.

[0020] Fifthly, the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to perform the electrostatic filter control method of the first aspect or any corresponding embodiment described above. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic flowchart of an electrostatic filter control method according to an embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram illustrating the relationship between polarization voltage and wind speed according to an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram illustrating the relationship between discharge voltage and wind speed according to an embodiment of the present invention;

[0025] Figure 4This is a schematic diagram of the filter element structure of an electrostatic filter according to an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the filter element structure of another electrostatic filter according to an embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of the filter element structure of another electrostatic filter according to an embodiment of the present invention;

[0028] Figure 7 This is a schematic diagram of the structure of an electrostatic filter according to an embodiment of the present invention;

[0029] Figure 8 This is a schematic diagram of the structure of another electrostatic filter according to an embodiment of the present invention;

[0030] Figure 9 This is a cross-sectional view of an electrostatic filter according to an embodiment of the present invention;

[0031] Figure 10 This is a cross-sectional view of another electrostatic filter according to an embodiment of the present invention;

[0032] Figure 11 This is a schematic diagram of the structure of the driving component according to an embodiment of the present invention;

[0033] Figure 12 This is a schematic diagram illustrating the relationship between the retraction distance of the spring and the wind speed according to an embodiment of the present invention;

[0034] Figure 13 This is a schematic diagram illustrating the relationship between the moving distance of the support column and the wind speed according to an embodiment of the present invention;

[0035] Figure 14 This is a schematic diagram of an unobstructed wind speed measurement point according to an embodiment of the present invention;

[0036] Figure 15 This is a schematic diagram of a wind speed measurement point being obstructed according to an embodiment of the present invention;

[0037] Figure 16 This is a structural block diagram of an electrostatic filter control system according to an embodiment of the present invention;

[0038] Figure 17 This is a schematic diagram of the working process of an electrostatic filter control system according to an embodiment of the present invention;

[0039] Figure 18 This is a schematic diagram of the working process of another electrostatic filter control system according to an embodiment of the present invention;

[0040] Figure 19 This is a structural block diagram of an electrostatic filter control device according to an embodiment of the present invention;

[0041] Figure 20 This is a schematic diagram of the hardware structure of a computer device according to an embodiment of the present invention. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] According to an embodiment of the present invention, an embodiment of an electrostatic filter control method is provided. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Furthermore, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.

[0044] This embodiment provides an electrostatic filter control method, which can be used in electronic devices such as computers, mobile phones, and tablets. Figure 1 This is a flowchart of an electrostatic filter control method according to an embodiment of the present invention, such as... Figure 1 As shown, the process includes the following steps:

[0045] Step S101: Real-time acquisition of the wind speed flowing through the electrostatic filter. Specifically, this can be achieved by installing wind speed sensors within the electrostatic filter. To improve the accuracy of the acquired wind speed, wind speed sensors can be installed at different points along the electrostatic filter, enabling multi-point wind speed sampling. When multiple wind speed sensors are used, the wind speeds measured by these sensors can be averaged to obtain the average wind speed, which is then used as the wind speed flowing through the electrostatic filter.

[0046] Step S102: Determine whether the wind speed is within the rated wind speed range. This rated wind speed range refers to the range of wind speeds within which the electrostatic filter can operate optimally; that is, within this range, the electrostatic filter achieves its best filtration efficiency, clean air delivery rate (CADR), and energy efficiency ratio when operating at its rated parameters. Therefore, when the wind speed is within the rated wind speed range, the electrostatic filter can operate according to its rated parameters. Specifically, the rated wind speed range includes a lower rated threshold A and a higher rated threshold B. That is, when the wind speed is greater than or equal to the lower rated threshold A and less than or equal to the upper rated threshold B, the wind speed is determined to be within the rated wind speed range. For different models or brands of electrostatic filters, the corresponding lower rated threshold A and upper rated threshold B can be determined through simulation or experimentation.

[0047] Step S103: When the wind speed is less than the rated wind speed range, adjust the voltage of the electrostatic filter. Specifically, when the wind speed is less than the rated wind speed range, that is, when the wind speed is less than the rated lower threshold A, the voltage of the electrostatic filter can be adjusted, thereby reducing the energy consumption of the electrostatic filter while ensuring its cleaning performance.

[0048] Step S104: When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle. Specifically, since the polarization voltage in the electrostatic filter voltage has been adjusted to the rated value within the rated wind speed range, and the electrostatic filter operates at rated parameters (i.e., under rated operating conditions), the filter element pleat angle is opened to the maximum and the airflow cross-sectional area is opened to the minimum. Therefore, when the wind speed is greater than the rated wind speed range (i.e., the wind speed is greater than the rated upper limit threshold B), one of the cross-sectional area of ​​the electrostatic filter or the filter element pleat angle, or both, can be adjusted simultaneously to reduce the wind speed flowing through the electrostatic filter, reduce system resistance, and reduce energy consumption.

[0049] The electrostatic filter control method provided in this invention acquires the airflow velocity of the electrostatic filter in real time. When the airflow velocity is outside the rated airflow velocity range (e.g., below the rated airflow velocity range), the voltage of the electrostatic filter is adjusted. When the airflow velocity is above the rated airflow velocity range, the cross-sectional area or the filter element pleat angle is adjusted, thereby ensuring that the filtration velocity flowing through the filter material remains constant. Therefore, this control method reduces the adjustment of the electric field strength while maintaining high efficiency when the airflow velocity is above the rated airflow velocity range, avoiding problems such as increased energy consumption, a sharp increase in ozone, and breakdown caused by increasing the electric field strength. When the airflow velocity is below the rated airflow velocity range, the voltage can be reduced in a timely manner, reducing energy waste.

[0050] This embodiment provides an electrostatic filter control method, which includes the following steps:

[0051] Step S201: Obtain the real-time airflow velocity through the electrostatic filter. For details, please refer to [link to relevant documentation]. Figure 1 Step S101 of the illustrated embodiment will not be described again here.

[0052] Step S202: Determine whether the wind speed is within the rated wind speed range. For details, please refer to [link to relevant documentation]. Figure 1 Step S102 of the illustrated embodiment will not be described again here.

[0053] Step S203: When the wind speed is less than the rated wind speed range, adjust the voltage of the electrostatic filter. In this embodiment, the electrostatic filter includes a discharge unit and a polarization unit, as well as a first power supply and a second power supply. The first power supply powers the discharge unit, and the second power supply powers the polarization unit. When the electrostatic filter is working, the discharge unit generates a discharge region through the first power supply, charging the passing dust particles. The polarization unit generates a polarization region through the second power supply, adsorbing the charged dust particles. It should be noted that the discharge unit and polarization unit in this embodiment can be directly selected from existing structures. When the wind speed is within the rated wind speed range, the voltages provided by the first and second power supplies are both rated voltages, i.e., the discharge voltage is the rated discharge voltage, and the polarization voltage is the rated polarization voltage.

[0054] Specifically, step S203 includes:

[0055] Step S2031: When the wind speed is less than the rated wind speed range but greater than or equal to the first threshold, the polarization voltage of the electrostatic filter is adjusted according to the relationship between wind speed and polarization voltage. The first threshold is less than the rated wind speed range. Specifically, when the wind speed is less than the rated wind speed range (i.e., less than the rated lower threshold A) but greater than or equal to the first threshold A1, the polarization voltage is adjusted by adjusting the voltage applied to the polarization unit by the second power supply. The polarization voltage of the electrostatic filter and the wind speed are positively correlated within a certain range and remain constant within that range. The specific relationship between the polarization voltage and the wind speed is as follows: Figure 2 As shown, the polarization voltage can be adjusted based on this relationship and the current wind speed to ensure the adjusted wind speed meets the requirements. It should be noted that since adjusting the polarization voltage has a smaller impact on the performance of the electrostatic filter, the polarization voltage is adjusted first when the wind speed is less than the rated lower threshold A. In this embodiment, the first threshold A1 can be the wind speed value at which the filtration performance (such as efficiency, clean air delivery rate, energy efficiency ratio, etc.) of the electrostatic filter meets the user's minimum requirements when the polarization voltage is 0. This can be determined through simulation or experimentation.

[0056] Step S2032: When the wind speed is less than the first threshold and greater than or equal to the second threshold, the discharge voltage of the electrostatic filter is adjusted according to the relationship between wind speed and discharge voltage, where the second threshold is less than the first threshold. Specifically, when the wind speed is less than the first threshold A1 and greater than or equal to the second threshold A2, the discharge voltage is adjusted by adjusting the voltage applied to the discharge unit by the first power supply. The discharge voltage of the electrostatic filter and the wind speed are positively correlated within a certain range and remain constant within that range. The specific relationship between the discharge voltage and the wind speed is as follows: Figure 3As shown, the discharge voltage can be adjusted based on this relationship and the current wind speed to ensure that the adjusted wind speed meets the requirements. The second threshold A2 can be determined according to different application scenarios; when the wind speed is lower than the second threshold A2, the requirements of the current scenario cannot be met.

[0057] Step S2033: When the wind speed is less than the second threshold, the electrostatic filter is controlled to operate with parameters corresponding to the wind speed at the second threshold, and an alarm signal is output. The parameters corresponding to the second threshold include discharge voltage, polarization voltage, cross-sectional area, and filter element pleat angle. When the wind speed is less than the second threshold A2, an alarm signal for excessively low wind speed is also output to alert the user that the current wind speed is too low.

[0058] Step S204: When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle.

[0059] In this embodiment, such as Figure 4 , Figure 5 and Figure 6As shown, to achieve adjustment of the filter element pleat angle, the filter element is a foldable filter element. Specifically, the electrostatic filter includes a duct housing, a foldable filter element 3, and a drive structure. A first slide rail 2 and a second slide rail 11 are respectively provided on the upper and lower side walls of the duct housing 1. The upper and lower ends of the support column 5 are slidably connected to the first slide rail 2 and the second slide rail 11 via a first sliding part 6 and a second sliding part 12, respectively. A pair of fixed columns 14 are respectively provided on the left and right sides of the duct housing 1. The fixed columns 14 are perpendicular to and fixedly connected to the first slide rail 2, and parallel to the support column 5. The two ends of the foldable filter element 3 are fixed to the two fixed columns 14 respectively. A tension spring 9 is provided inside the folding part 4 located in the middle of the foldable filter element 3. The two ends of the tension spring 9 are fixedly connected to the two adjacent support columns 5 respectively. One end of the transmission rope 8 is fixed and wound around the rotating shaft 7, and the other end of the transmission rope 8 passes through the support column 5 and is fixedly connected to one end of the tension spring. The folding controller 13 controls the motor to drive the rotating shaft 7 to rotate. The rotating shaft 7 winds the transmission rope around its surface. The transmission rope provides tension to the tension spring and pulls the support column 5, which is fixedly connected to the tension spring, to move along the left and right sides of the first slide rail 2 and the second slide rail 11, respectively. The support column 5 fixedly connected to the tension spring will fit against its adjacent support column 5 to fold the folding part 4. Under the action of the transmission rope tension, the support column 5 is pushed to move together, thereby folding the foldable filter element 3 to the left and right sides to reduce the area of ​​the filter element. When it is necessary to increase the folding angle of the filter element, the folding controller 13 controls the motor to drive the rotating shaft 7 to rotate in the opposite direction and releases the transmission rope from its limit. Under the action of the elastic force, the compression spring pulls the support column 5 fixedly connected to the tension spring and the transmission rope to reset. There is a limiting rope 10 between the support column 5 fixedly connected to the tension spring and its adjacent support column 5. The support column 5 fixedly connected to the tension spring can pull the adjacent support column 5 to move together through the limiting rope 10, thereby opening the foldable filter element 3.

[0060] In this embodiment, the cross-sectional area refers to the cross-sectional area through which air flows. Specifically, as shown in the example... Figure 7 , Figure 8 , Figure 9 , Figure 10 as well as Figure 11 As shown, to achieve cross-sectional area adjustment, the electrostatic filter includes, in addition to the filter element 3, a housing 15 and a flow rate adjustment device 16. The flow rate adjustment device 16 includes an inner housing 17, a spring 18, and a drive assembly. The spring 18 is bent and wound within the spring channel 20. The drive assembly includes a motor 21, a gear 22, and a pusher 23. The output shaft 26 of the motor 21 is connected to the gear 22. The pusher 23 is movably mounted on the guide rails 24 of a pair of support members 27. When the cross-sectional area needs to be adjusted, the cross-sectional area controller controls the motor 21 to drive the gear 22 to rotate. The rotation of the gear 22 drives the pusher 23 along... Figure 10As it moves upward, the second surface of the rotating component 25 disengages from the surface of the push plate 23, and the rotating component 25 will move towards the limit stop plate 19 due to its own weight. Figure 10 The spring 18 rotates downwards, releasing its restraint and transitioning it from its first state to its second state. It then extends from the inner shell 17 using its own elasticity, covering a portion of the filter element 3 surface. As the pusher 23 moves, more restraining plates 19 rotate, increasing the extension of the spring 18 and expanding the covered area. When the spring 18 needs to be retracted, the cross-sectional area controller controls the motor 21 to drive the gear 22 in the reverse direction, causing the pusher 23 to move along... Figure 10 As the device moves downwards, the pusher 23 pushes the second surface of the rotating member 25, causing the rotating member 25 to rotate. At this time, the pushing force of the pusher 23 is greater than the weight of the limiting baffle 19. The rotation of the rotating member 25 will drive the limiting baffle 19 to rotate, so that the limiting baffle 19 is reset and perpendicular to the support member 27. While the limiting baffle 19 is rotating, the free end of the limiting baffle 19 will retract the spring piece 18 into the inner shell 17 and limit the spring piece 18 in the elastic channel. After all the limiting baffles 19 are reset, the control system controls the motor 21 to stop driving the gear 22. At this time, the spring piece 18 changes from the second state to the first state, and the second surface of the rotating member 25 abuts against the surface of the pusher 23.

[0061] Specifically, step S204 includes:

[0062] Step S2041: When the wind speed is greater than the rated wind speed range but less than or equal to the third threshold, the cross-sectional area of ​​the electrostatic filter is adjusted according to the relationship between wind speed and cross-sectional area. The third threshold is greater than the rated wind speed range. Specifically, since the cross-sectional area of ​​airflow is minimized when the wind speed is within the rated wind speed range, when the wind speed is greater than the rated wind speed range (i.e., greater than the rated upper limit threshold B but less than or equal to the third threshold B1), the springs of the electrostatic filter are controlled to retract one by one, increasing the cross-sectional area of ​​the electrostatic filter through which air passes. The retraction distance of each spring is positively correlated with the average wind speed within a certain wind speed range, and remains unchanged within that range. The specific relationship between the spring retraction distance and the wind speed is as follows: Figure 12 As shown. It should be noted that increasing the cross-sectional area of ​​the airflow not only reduces wind speed most quickly but also best reduces system resistance and energy loss. Therefore, when the wind speed exceeds the rated wind speed range, the cross-sectional area is adjusted first. In this embodiment, the third threshold B1 is determined as follows: B1 multiplied by the area when the cross-sectional area is at its minimum = B multiplied by the area when the cross-sectional area is at its maximum. By setting the third threshold B1 in this way, it can be ensured that when the cross-sectional area is at its maximum, the wind speed can be reduced to the rated wind speed range, that is, between the rated lower threshold A and the rated upper threshold B.

[0063] Step S2042: When the wind speed is greater than the third threshold and less than or equal to the wind speed adjustment threshold, the filter element pleat angle of the electrostatic filter is adjusted according to the relationship between the wind speed and the filter element pleat angle, where the wind speed adjustment threshold is greater than the third threshold. Specifically, since the pleat angle is at its maximum when the wind speed is within the rated wind speed range, when the wind speed is greater than the third threshold B1 and less than or equal to the wind speed adjustment threshold B2, the support columns of the electrostatic filter are moved one by one towards the center of the electrostatic filter, thus reducing the pleat angle of the electrostatic filter. The moving distance of each support column is positively correlated with the average wind speed within a certain wind speed range, and remains constant within that range. The moving distance of the support column is as follows: Figure 13 As shown. In this embodiment, the wind speed adjustment threshold B2 is determined as follows: B2 multiplied by the actual flow filter area when the angle is opened to the maximum = B1 multiplied by the actual flow filter area when the angle is opened to the minimum. By setting the wind speed adjustment threshold B2 in this way, it can be ensured that when the angle is opened to the minimum (i.e., the actual flow filter area is at its maximum), the wind speed can be reduced to the rated wind speed range, that is, between the rated lower limit threshold A and the rated upper limit threshold B.

[0064] In one alternative implementation, the method further includes:

[0065] Step S205: When the wind speed is greater than the wind speed adjustment threshold but less than or equal to the working threshold, the discharge voltage of the electrostatic filter is adjusted according to the relationship between wind speed and discharge voltage. The working threshold is greater than the wind speed adjustment threshold. Specifically, when the wind speed reaches the wind speed threshold, the wind speed cannot be further adjusted; only the discharge voltage can be increased to improve the efficiency of the electrostatic filter. However, since the discharge voltage cannot be increased indefinitely, otherwise it would lead to energy consumption, ozone, and safety issues, a working threshold is further set. When the wind speed is between the wind speed adjustment threshold B2 and the working threshold B3, the discharge voltage is adjusted by adjusting the voltage applied to the discharge unit by the first power supply. The discharge voltage of the electrostatic filter and the wind speed are positively correlated within a certain range and remain constant within that range. The specific relationship between the discharge voltage and the wind speed is as follows: Figure 3 As shown. The discharge voltage can be adjusted based on this relationship and the current wind speed to ensure that the adjusted wind speed meets the requirements. The operating threshold B3 can be determined based on the wind speed corresponding to the maximum discharge voltage. The maximum discharge voltage is determined by the discharge current in the discharge region.

[0066] Step S206: When the wind speed exceeds the operating threshold, the electrostatic filter is controlled to operate with the parameters corresponding to the wind speed as the operating threshold, and an alarm signal is output. The operating threshold B3 can be determined based on different application scenarios. When the wind speed exceeds the operating threshold B3, the requirements of the current scenario cannot be met. The parameters corresponding to the operating threshold B3 include discharge voltage, polarization voltage, cross-sectional area, and filter element pleat angle. When the wind speed exceeds the operating threshold B3, an alarm signal indicating excessive wind speed also needs to be output to alert the user that the current wind speed is too high.

[0067] This embodiment provides an electrostatic filter control method, which includes the following steps:

[0068] Step S301: Obtain the air velocity flowing through the electrostatic filter in real time.

[0069] Specifically, step S301 includes:

[0070] Step S3011: Multiple wind speed values ​​are measured using multiple wind speed sensors installed on the cross-section of the air supply section of the electrostatic filter.

[0071] Step S3012: Determine whether the measured wind speed value is a valid wind speed based on the setting position of each wind speed sensor.

[0072] Step S3013: Determine the wind speed flowing through the electrostatic filter based on the number of wind speed sensors whose measured wind speed values ​​are effective wind speeds and the corresponding effective wind speeds.

[0073] Specifically, the locations of multiple wind speed sensors are defined as wind speed measurement points. However, the spring clips used for cross-sectional area adjustment may obstruct these measurement points. Therefore, the validity of the measured wind speed value is determined by whether the measurement point is obstructed; if unobstructed, it is considered a valid wind speed. For example, ... Figure 14 As shown, when nine wind speed measurement points are set up and none of the nine measurement points are obstructed, the number of wind speed sensors that measure wind speed values ​​as valid wind speeds is nine, i.e., A1-A9; (e.g., ...) Figure 15 As shown, when nine wind speed measurement points are set up, and six of them are blocked, the number of wind speed sensors that measure the effective wind speed is three, namely A4-A6. The wind speed flowing through the electrostatic filter, i.e., the average wind speed measured by multiple wind speed sensors, is calculated using the following formula:

[0074]

[0075] In the formula, n represents the number of wind speed sensors that measure wind speed values ​​as effective wind speeds.

[0076] Step S302: Determine whether the wind speed is within the rated wind speed range; for details, please refer to [link to relevant documentation]. Figure 1Step S102 of the illustrated embodiment will not be described again here.

[0077] Step S303: When the wind speed is less than the rated wind speed range, adjust the voltage of the electrostatic filter; for details, please refer to [link to relevant documentation]. Figure 1 Step S103 of the illustrated embodiment will not be described again here.

[0078] Step S304: When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle. For details, please refer to [link to relevant documentation]. Figure 1 Step S104 of the illustrated embodiment will not be described again here.

[0079] This embodiment provides an electrostatic filter control method, which includes the following steps:

[0080] Step S401: Obtain the discharge current and polarization current of the electrostatic filter; In this embodiment, the electrostatic filter includes a discharge unit and a polarization unit, wherein the discharge unit includes a discharge electrode and the polarization unit includes a polarization electrode. The discharge electrode is located in the pollutant charging region and charges the passing dust particles through the generated discharge current. The polarization electrode is located in the pollutant collection region and is used to generate a polarization current to adsorb charged dust particles.

[0081] Step S402: Adjust the voltage of the electrostatic filter according to the magnitude of the discharge current, polarization current, and operating current. The operating current includes a first discharge threshold current, a second discharge threshold current, and a polarization threshold current. Adjusting the voltage of the electrostatic filter according to the magnitude of the discharge current, polarization current, and operating current includes: outputting an alarm signal when the discharge current is less than the first discharge threshold current; reducing the discharge voltage of the electrostatic filter when the discharge current is greater than the second discharge threshold current; and reducing the polarization voltage of the electrostatic filter when the polarization current is greater than the polarization threshold current.

[0082] The first discharge threshold current C is the current at the rated discharge voltage when the discharge electrode is in the least likely situation to experience corona discharge in the target application scenario. For example, in the application scenario of filtering particulate matter in indoor air, air temperature, humidity, air pressure, and particulate matter concentration will all affect the discharge current. By setting the above parameters as the range of possible indoor air parameters, a minimum discharge current is calculated or obtained through experiments, and this current value is the first discharge threshold current C. Therefore, if the discharge current Ic is lower than the first discharge threshold current C, it indicates that the discharge is abnormally weak, which may indicate a problem or failure to achieve high filtration performance, and the system will alarm to indicate limited discharge.

[0083] The second discharge threshold current D is the current at the rated discharge voltage when the discharge electrode is in the target usage scenario where corona discharge is most likely to occur. For example, in the application scenario of filtering particulate matter in indoor air, air temperature, humidity, air pressure, and particulate matter concentration will all affect the discharge current. By setting the above parameters as the possible range of indoor air parameters and calculating or experimentally obtaining a maximum discharge current, this current value is the second discharge threshold current D. Therefore, if the discharge current Ic is higher than the second discharge threshold current D, it indicates an abnormally strong discharge, which may lead to problems such as high energy consumption, ozone levels, and reduced safety, requiring a reduction in the discharge voltage.

[0084] The polarization threshold current E is the current value that is lower than the breakdown current at the rated polarization voltage when the polarization electrode is most likely to break down under the target usage scenario. For example, in the application scenario of filtering particulate matter in indoor air, air temperature, humidity, air pressure, and particulate matter concentration will all affect the polarization electric field. By setting the above parameters to the range of possible indoor air parameters and calculating or experimentally obtaining a minimum breakdown current, the polarization threshold current E should be lower than this current value. Depending on safety requirements, it can be set to be slightly lower than the breakdown current at the rated polarization voltage, or 10% of the breakdown current at the rated polarization voltage, etc. Therefore, if the polarization current Ip is higher than the polarization threshold current E, it indicates that the polarization electric field may break down, leading to safety issues, and thus the discharge polarization voltage needs to be reduced.

[0085] Step S403: Obtain the real-time airflow velocity through the electrostatic filter. For details, please refer to [link to relevant documentation]. Figure 1 Step S401 of the illustrated embodiment will not be described again here.

[0086] Step S404: Determine if the wind speed is within the rated wind speed range; for details, please refer to [link to relevant documentation]. Figure 1 Step S402 of the illustrated embodiment will not be described again here.

[0087] Step S405: When the wind speed is less than the rated wind speed range, adjust the voltage of the electrostatic filter; for details, please refer to [link to relevant documentation]. Figure 1 Step S103 of the illustrated embodiment will not be described again here.

[0088] Step S406: When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle. For details, please refer to [link to relevant documentation]. Figure 1 Step S104 of the illustrated embodiment will not be described again here.

[0089] It should be noted that this electrostatic filter control method is applicable to various separation and purification scenarios, including gas-gas separation, gas-liquid separation, gas-solid separation, liquid-liquid separation, and liquid-solid separation. It is particularly suitable for industrial dust treatment, air purification, and other fields where airflow changes or requires adjustment. This control method does not rely entirely on electric field strength to regulate filtration efficiency, avoiding problems such as energy consumption, rapid increases in ozone, and breakdown phenomena, thus enabling the electrostatic filter to maintain high efficiency over a wide range of airflow.

[0090] This embodiment also provides an electrostatic filter control system, such as Figure 16 As shown, the system includes: a wind speed sensor for real-time acquisition of the wind speed flowing through the electrostatic filter; a signal processing terminal for determining whether the wind speed is within the rated wind speed range; when the wind speed is less than the rated wind speed range, controlling the voltage output controller to adjust the voltage of the electrostatic filter; when the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, controlling the cross-sectional area controller to adjust the cross-sectional area of ​​the electrostatic filter; and / or controlling the pleat controller to control the pleat angle of the filter element.

[0091] Among them, such as Figure 16 As shown, multiple wind speed sensors can be set to achieve multi-point wind speed acquisition. The voltage output controller includes a discharge voltage output controller and a polarization voltage output controller, which are used to control the discharge voltage and polarization voltage of the electrostatic filter, respectively. The cross-sectional area controller or fold angle controller is connected to the motor or flow rate regulating device in the electrostatic filter to control the cross-sectional area or fold angle. The system also includes a galvanometer, which is used to collect the discharge current and polarization current. The signal processing terminal includes an input terminal and an output terminal. The input terminal receives the discharge current and polarization current collected by the galvanometer and the wind speed collected by the wind speed sensor. The output terminal controls the operation of the discharge voltage output controller, polarization voltage output controller, cross-sectional area controller, or fold angle controller based on the information received from the input terminal.

[0092] In one alternative implementation, the electrostatic filter control system operates using the following process:

[0093] like Figure 17As shown, a galvanometer is used to collect the discharge current Ic in the electrostatic filter and send it to the signal processing terminal. The signal processing terminal determines whether the discharge current Ic is less than the first discharge threshold current C. If it is less, an alarm is triggered indicating limited discharge. If the discharge current Ic is not less than the first discharge threshold current C, it is determined whether the discharge current Ic is greater than the second discharge threshold current D. If it is greater than the second discharge threshold current D, the discharge voltage Uc is reduced until Ic is less than or equal to D. If Ic is not greater than the second discharge threshold current D, a galvanometer is used to collect the polarization current Ip in the electrostatic filter and send it to the signal processing terminal. The signal processing terminal determines whether the polarization current Ip is greater than the polarization threshold current E. If it is greater, the polarization voltage Up is reduced until Ip is less than or equal to E.

[0094] like Figure 18 As shown, multiple wind speed sensors collect the wind speed flowing through the electrostatic filter and send this wind speed to the signal processing terminal. The signal processing terminal uses the above step S301 to determine the wind speed flowing through the electrostatic filter, i.e., the average wind speed v. It determines whether the average wind speed v is within the rated wind speed range [A, B]. When it is within the rated wind speed range, the electrostatic filter is controlled to operate in the rated mode, i.e., the discharge voltage output controller controls the discharge voltage to the rated discharge voltage, and the polarization voltage output controller controls the polarization voltage to the rated polarization voltage; the folding angle controller controls all support columns to be on the outermost side, so that the folding angle is opened to the maximum; the cross-sectional area controller controls the obstruction to extend to the maximum distance, so that the airflow cross-sectional area is opened to the minimum.

[0095] When the average wind speed v is less than the rated lower threshold A but greater than or equal to the first threshold A1, the electrostatic filter is controlled in polarization voltage regulation mode, that is, the polarization voltage is adjusted according to the relationship between wind speed and polarization voltage, and other parameters are determined according to the rated mode. When the average wind speed v is less than the first threshold A1 but greater than or equal to the second threshold A2, the electrostatic filter is controlled in discharge voltage regulation mode, that is, the discharge voltage is adjusted according to the relationship between wind speed and discharge voltage, and other parameters are set according to the parameters corresponding to the first threshold A1. When the wind speed is less than the second threshold A2, the electrostatic filter is controlled to operate with the parameters corresponding to the second threshold A2, and an alarm is triggered indicating that the wind speed is too low.

[0096] When the average wind speed v is greater than the rated upper limit threshold B and less than or equal to the third threshold B1, the electrostatic filter is controlled in cross-sectional area adjustment mode, that is, the polarization voltage is adjusted according to the relationship between wind speed and cross-sectional area, and other parameters are determined according to the rated mode. When the average wind speed v is greater than the third threshold B1 and less than or equal to the wind speed adjustment threshold B2, the electrostatic filter is controlled in angle adjustment mode, that is, the fold angle is adjusted according to the relationship between fold angle and wind speed, and other parameters are set according to the parameters corresponding to the third threshold B1. When the average wind speed v is between the wind speed adjustment threshold B2 and the working threshold B3, the electrostatic filter is controlled in discharge voltage adjustment mode, that is, the discharge voltage is adjusted according to the relationship between wind speed and discharge voltage, and other parameters are set according to the parameters corresponding to the wind speed adjustment threshold B2. When the average wind speed v is greater than the working threshold B3, the electrostatic filter is controlled to operate with the parameters corresponding to the wind speed at the working threshold B3, and an alarm is triggered indicating that the wind speed is too high.

[0097] This embodiment also provides an electrostatic filter control device for implementing the above embodiments and preferred embodiments; details already described will not be repeated. As used below, the term "module" can refer to a combination of software and / or hardware that performs a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0098] This embodiment provides an electrostatic filter control device, such as... Figure 19 As shown, it includes:

[0099] The wind speed acquisition module 171 is used to acquire the wind speed flowing through the electrostatic filter in real time.

[0100] Module 172 is used to determine whether the wind speed is within the rated wind speed range;

[0101] The first adjustment module 173 is used to adjust the voltage of the electrostatic filter when the wind speed is less than the rated wind speed range.

[0102] The second adjustment module 174 is used to adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle when the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold.

[0103] In one optional implementation, the first adjustment module is specifically used to: when the wind speed is less than the rated wind speed range but greater than or equal to a first threshold, adjust the polarization voltage of the electrostatic filter according to the relationship between wind speed and polarization voltage, wherein the first threshold is less than the rated wind speed range; when the wind speed is less than the first threshold but greater than or equal to a second threshold, adjust the discharge voltage of the electrostatic filter according to the relationship between wind speed and discharge voltage, wherein the second threshold is less than the first threshold; when the wind speed is less than the second threshold, control the electrostatic filter to operate with parameters corresponding to the wind speed at the second threshold, and output an alarm signal.

[0104] In one optional implementation, the second adjustment module is specifically used to: when the wind speed is greater than the rated wind speed range but less than or equal to the third threshold, adjust the cross-sectional area of ​​the electrostatic filter according to the relationship between wind speed and cross-sectional area, wherein the third threshold is greater than the rated wind speed range; when the wind speed is greater than the third threshold but less than or equal to the wind speed adjustment threshold, adjust the filter element pleat angle of the electrostatic filter according to the relationship between wind speed and filter element pleat angle, wherein the wind speed adjustment threshold is greater than the third threshold.

[0105] In one optional embodiment, the device further includes: a third adjustment module, specifically used to adjust the discharge voltage of the electrostatic filter according to the relationship between the wind speed and the discharge voltage when the wind speed is greater than the wind speed adjustment threshold and less than or equal to the working threshold, wherein the working threshold is greater than the wind speed adjustment threshold; and when the wind speed is greater than the working threshold, to control the electrostatic filter to operate with the parameters corresponding to the wind speed as the working threshold, and to output an alarm signal.

[0106] In one optional implementation, the wind speed acquisition module is specifically used to: measure multiple wind speed values ​​using multiple wind speed sensors installed on the cross-section of the air supply section of the electrostatic filter; determine whether the measured wind speed value is a valid wind speed based on the installation position of each wind speed sensor; and determine the wind speed flowing through the electrostatic filter based on the number of wind speed sensors whose measured wind speed values ​​are valid wind speeds and the corresponding valid wind speeds.

[0107] In one optional embodiment, the device further includes: a current acquisition module for acquiring the discharge current and polarization current of the electrostatic filter; and a fourth adjustment module for adjusting the voltage of the electrostatic filter according to the magnitude of the discharge current and polarization current and the operating current.

[0108] In one optional implementation, the operating current includes a first discharge threshold current, a second discharge threshold current, and a polarization threshold current. The fourth adjustment module is specifically used to: output an alarm signal when the discharge current is less than the first discharge threshold current; reduce the discharge voltage of the electrostatic filter when the discharge current is greater than the second discharge threshold current; and reduce the polarization voltage of the electrostatic filter when the polarization current is greater than the polarization threshold current.

[0109] Further functional descriptions of the above modules and units are the same as those in the corresponding embodiments described above, and will not be repeated here.

[0110] This invention also provides a computer device having the above-described features. Figure 19 The electrostatic filter control device shown.

[0111] Please see Figure 20 , Figure 20 This is a schematic diagram of the structure of a computer device provided in an optional embodiment of the present invention, such as... Figure 20As shown, the computer device includes one or more processors 100, memory 200, and interfaces for connecting the components, including high-speed interfaces and low-speed interfaces. The components communicate with each other via different buses and can be mounted on a common motherboard or otherwise installed as needed. The processors can process instructions executed within the computer device, including instructions stored in or on memory to display graphical information of a GUI on external input / output devices (such as display devices coupled to the interfaces). In some alternative implementations, multiple processors and / or multiple buses can be used with multiple memories and multiple memory modules, if desired. Similarly, multiple computer devices can be connected, each providing some of the necessary operations (e.g., as a server array, a group of blade servers, or a multiprocessor system). Figure 20 Take a processor 100 as an example.

[0112] Processor 100 may be a central processing unit, a network processor, or a combination thereof. Processor 100 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. The programmable logic device may be a complex programmable logic device (CAMP), a field-programmable gate array (FPGA), a general-purpose array logic (GPA), or any combination thereof.

[0113] The memory 200 stores instructions executable by at least one processor 100 to cause the at least one processor 100 to perform the method shown in the above embodiments.

[0114] The memory 200 may include a program storage area and a data storage area. The program storage area may store the operating system and applications required for at least one function; the data storage area may store data created by the use of the computer device based on the display of a mini-program landing page. Furthermore, the memory 200 may include high-speed random access memory and may also include non-transient memory, such as at least one disk storage device, flash memory device, or other non-transient solid-state storage device. In some alternative embodiments, the memory 200 may optionally include memory remotely located relative to the processor 100, which can be connected to the computer device via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

[0115] The memory 200 may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as flash memory, hard disk or solid-state drive; the memory 200 may also include a combination of the above types of memory.

[0116] The computer device also includes a communication interface 300 for communicating with other devices or communication networks.

[0117] This invention also provides a computer-readable storage medium. The methods described above according to embodiments of the invention can be implemented in hardware or firmware, or implemented as computer code that can be recorded on a storage medium, or implemented as computer code downloaded via a network and originally stored on a remote storage medium or a non-transitory machine-readable storage medium and then stored on a local storage medium. Thus, the methods described herein can be processed by software stored on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. The storage medium can be a magnetic disk, optical disk, read-only memory, random access memory, flash memory, hard disk, or solid-state drive, etc.; further, the storage medium can also include combinations of the above types of memory. It is understood that computers, processors, microprocessor controllers, or programmable hardware include storage components capable of storing or receiving software or computer code, which, when accessed and executed by the computer, processor, or hardware, implements the methods shown in the above embodiments.

[0118] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A method for controlling an electrostatic filter, characterized in that, The method includes: Real-time acquisition of airflow velocity through the electrostatic filter; Determine whether the wind speed is within the rated wind speed range; When the wind speed is less than the rated wind speed range, adjust the voltage of the electrostatic filter; When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle. When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle, including: When the wind speed is greater than the rated wind speed range and less than or equal to the third threshold, the cross-sectional area of ​​the electrostatic filter is adjusted according to the relationship between wind speed and cross-sectional area, wherein the third threshold is greater than the rated wind speed range. When the wind speed is greater than the third threshold and less than or equal to the wind speed adjustment threshold, the filter element pleat angle of the electrostatic filter is adjusted according to the relationship between the wind speed and the filter element pleat angle, wherein the wind speed adjustment threshold is greater than the third threshold.

2. The method according to claim 1, characterized in that, When the wind speed is less than the rated wind speed range, the voltage of the electrostatic filter is adjusted, including: When the wind speed is less than the rated wind speed range but greater than or equal to the first threshold, the polarization voltage of the electrostatic filter is adjusted according to the relationship between wind speed and polarization voltage, wherein the first threshold is less than the rated wind speed range. When the wind speed is less than the first threshold and greater than or equal to the second threshold, the discharge voltage of the electrostatic filter is adjusted according to the relationship between the wind speed and the discharge voltage, wherein the second threshold is less than the first threshold. When the wind speed is less than the second threshold, the electrostatic filter is controlled to operate with the parameters corresponding to the wind speed at the second threshold, and an alarm signal is output.

3. The method according to claim 1, characterized in that, The method further includes: When the wind speed is greater than the wind speed adjustment threshold and less than or equal to the working threshold, the discharge voltage of the electrostatic filter is adjusted according to the relationship between the wind speed and the discharge voltage, wherein the working threshold is greater than the wind speed adjustment threshold. When the wind speed exceeds the operating threshold, the electrostatic filter is controlled to operate with the parameters corresponding to the wind speed as the operating threshold, and an alarm signal is output.

4. The method according to any one of claims 1-3, characterized in that, Real-time acquisition of air velocity flowing through the electrostatic filter, including: Multiple wind speed values ​​were obtained by using multiple wind speed sensors installed on the cross-section of the air supply section of the electrostatic filter. The determination of whether the measured wind speed value is a valid wind speed is based on the setting location of each wind speed sensor; The wind speed flowing through the electrostatic filter is determined based on the number of wind speed sensors whose measured wind speed values ​​are effective wind speeds and the corresponding effective wind speeds.

5. The method according to claim 1, characterized in that, The method further includes: Obtain the discharge current and polarization current of the electrostatic filter; The voltage of the electrostatic filter is adjusted according to the magnitude of the discharge current, polarization current, and operating current.

6. The method according to claim 5, characterized in that, The operating current includes a first discharge threshold current, a second discharge threshold current, and a polarization threshold current. The voltage of the electrostatic filter is adjusted according to the magnitudes of the discharge current, polarization current, and operating current, including: When the discharge current is less than the first discharge threshold current, an alarm signal is output; When the discharge current is greater than the second discharge threshold current, the discharge voltage of the electrostatic filter is reduced; When the polarization current is greater than the polarization threshold current, the polarization voltage of the electrostatic filter is reduced.

7. An electrostatic filter control device, characterized in that, The device includes: The wind speed acquisition module is used to acquire the wind speed flowing through the electrostatic filter in real time. The judgment module is used to determine whether the wind speed is within the rated wind speed range; The first adjustment module is used to adjust the voltage of the electrostatic filter when the wind speed is less than the rated wind speed range; The second adjustment module is used to adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle when the wind speed is greater than the rated wind speed range and less than or equal to the wind speed adjustment threshold. When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle, including: When the wind speed is greater than the rated wind speed range and less than or equal to the third threshold, the cross-sectional area of ​​the electrostatic filter is adjusted according to the relationship between wind speed and cross-sectional area, wherein the third threshold is greater than the rated wind speed range. When the wind speed is greater than the third threshold and less than or equal to the wind speed adjustment threshold, the filter element pleat angle of the electrostatic filter is adjusted according to the relationship between the wind speed and the filter element pleat angle, wherein the wind speed adjustment threshold is greater than the third threshold.

8. An electrostatic filter control system, characterized in that, The system for performing the method according to any one of claims 1 to 6 comprises: An anemometer is used to acquire the wind speed flowing through the electrostatic filter in real time. The signal processing terminal is used to determine whether the wind speed is within the rated wind speed range. When the wind speed is less than the rated wind speed range, the voltage output controller is controlled to adjust the voltage of the electrostatic filter. When the wind speed is greater than the rated wind speed range and less than or equal to the wind speed adjustment threshold, the cross-sectional area controller is controlled to adjust the cross-sectional area of ​​the electrostatic filter, and / or the pleat controller is controlled to control the pleat angle of the filter element. When the wind speed is greater than the rated wind speed range but less than or equal to the wind speed adjustment threshold, adjust the cross-sectional area of ​​the electrostatic filter and / or the filter element pleat angle, including: When the wind speed is greater than the rated wind speed range and less than or equal to the third threshold, the cross-sectional area of ​​the electrostatic filter is adjusted according to the relationship between wind speed and cross-sectional area, wherein the third threshold is greater than the rated wind speed range. When the wind speed is greater than the third threshold and less than or equal to the wind speed adjustment threshold, the filter element pleat angle of the electrostatic filter is adjusted according to the relationship between the wind speed and the filter element pleat angle, wherein the wind speed adjustment threshold is greater than the third threshold.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions for causing a computer to perform the electrostatic filter control method according to any one of claims 1 to 6.

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