Control system of oil collecting tray of electrostatic oil fume purifier and electrostatic oil fume purifier

Abstract

The application provides an electrostatic oil fume purifier oil collecting disc control system and an electrostatic oil fume purifier, which comprise a liquid level measuring module, an oil dirt conveying module and a control module, the oil dirt conveying module comprises an electrically operated on-off valve, the control module comprises a cloud platform, the liquid level measuring module collects an oil dirt liquid level height and displays the oil dirt liquid level height, the cloud platform compares the oil dirt liquid level height with a first liquid level height, if the oil dirt liquid level height is greater than the first liquid level height, the electrically operated on-off valve is opened and the oil dirt is conveyed to a catering oil dirt system, the oil dirt liquid level height is compared with a second liquid level height, if the oil dirt liquid level height is less than the second liquid level height, the electrically operated on-off valve is closed, a unit operation time oil dirt liquid level change curve is generated according to a corresponding relationship between an oil dirt liquid level height rising change value and an electrostatic oil fume purifier operation time, an operation state of the electrostatic oil fume purifier is determined according to the unit operation time oil dirt liquid level change curve, and the first liquid level height is greater than the second liquid level height.

Description

Technical Field

[0001] This application relates to the field of kitchen appliance control, and in particular to the control system for the oil collection tray of an electrostatic precipitator and the electrostatic precipitator itself. Background Technology

[0002] Currently, local standards for kitchen fume emissions are being introduced across the country, and with people's increasing environmental demands, complaints about restaurant fumes have surged. Therefore, relevant departments are imposing increasingly stringent requirements on kitchen fume pollution. This necessitates that catering establishments install fume purifiers and ensure their continuous and effective operation, as well as maintaining a clean and hygienic surrounding environment.

[0003] However, the oil level in the oil collection tray of the electrostatic fume purifier cannot be displayed, and the oil needs to be removed and emptied by maintenance personnel regularly. If it is not cleaned in time or the catering situation changes, the oil will fill the tray and overflow, thus polluting the surrounding environment and failing to meet fire prevention requirements. This brings safety and environmental pollution hazards and a lot of labor costs.

[0004] In addition, whether the electrostatic precipitator is operating normally and effectively is also related to the user's vital interests. Generally, the operating status of the electrostatic precipitator is determined by observing the indicator lights, but the indicator lights cannot effectively reflect the purification efficiency of the electrostatic precipitator. Summary of the Invention

[0005] In view of this, the purpose of this application is to provide a control system for the oil collection tray of an electrostatic precipitator and the electrostatic precipitator itself. The system displays the oil level height through a liquid level measurement module, improving the visibility of the oil level. By monitoring the oil level height through a cloud platform, the system controls the opening or closing of an electric valve to ensure timely oil discharge, reducing human maintenance costs and environmental pollution caused by human error. Furthermore, the system effectively determines the operating status of the electrostatic precipitator through the generated oil level change curve per unit operating time.

[0006] In a first aspect, embodiments of this application provide a control system for an oil collection tray of an electrostatic precipitator. The system includes: a liquid level measurement module, an oil conveying module, and a control module, wherein the oil conveying module includes an electric switching valve, and the control module includes a cloud platform.

[0007] The liquid level measurement module and the oil spill conveying module are respectively connected to the control module;

[0008] The liquid level measurement module is used to collect and display the oil level height.

[0009] The cloud platform is used to compare the oil level height with the first level height. If the oil level height is greater than the first level height, the electric switch valve is opened to transport the oil to the catering oil system.

[0010] The oil level is compared with the second level. If the oil level is less than the second level, the electric switch valve is closed.

[0011] And based on the correspondence between the rise and change of the oil level height and the operating time of the electrostatic oil fume purifier, an oil level change curve per unit operating time is generated, and the operating status of the electrostatic oil fume purifier is determined based on the oil level change curve per unit operating time.

[0012] Wherein, the first liquid level height is greater than the second liquid level height.

[0013] Furthermore, the liquid level measurement module includes a liquid level transmitter and a liquid level display;

[0014] The level transmitter is used to collect the height of the oil spill level;

[0015] The liquid level display is used to show the height of the oil spill level.

[0016] Furthermore, the cloud platform is used to continuously monitor the oil level when the oil level is lower than the first level.

[0017] Furthermore, the cloud platform is used to continuously transport the oil to the catering oil system when the oil level is greater than the second level.

[0018] Furthermore, the control module also includes an oil pollution database;

[0019] The cloud platform is used to receive the oil level height at each time point sent by the level transmitter, obtain the rise change value of the oil level height based on the oil level height at each time point, and send the oil level height at each time point and the rise change value of the oil level height to the oil database.

[0020] Furthermore, the control module also includes a terminal;

[0021] The cloud platform is used to determine whether the oil level change curve per unit operating time is within the normal fluctuation threshold range. If not, an alarm message is generated.

[0022] The terminal is used to issue an alarm based on the alarm information.

[0023] Furthermore, the terminal is used to display the oil level height;

[0024] The terminal is a mobile phone or a computer.

[0025] Furthermore, the control module also includes a network module;

[0026] The network module is used to send the oil level height to the cloud platform.

[0027] Secondly, embodiments of this application provide an electrostatic oil fume purifier, including a control system for the electrostatic oil fume purifier oil collection tray as described above. The system includes a liquid level measurement module, an oil conveying module, and a control module. The oil conveying module includes an electric switching valve and an oil drain pipe. The control module includes a cloud platform. The electrostatic oil fume purifier also includes an oil collection tray for collecting and storing oil.

[0028] The oil collection tray is located at the bottom of the electrostatic oil fume purifier. The outer pipe of the oil collection tray is connected to the liquid level measuring module through a flange. The bottom end of the oil collection tray is connected to the electric switch valve through the oil drain pipe.

[0029] Furthermore, the inner wall of the oil drain pipe is flush with the inside of the bottom plate of the oil collection tray.

[0030] This application provides a control system for an electrostatic precipitator's oil collection tray and an electrostatic precipitator, including: a liquid level measurement module, an oil conveying module, and a control module. The oil conveying module includes an electric switching valve, and the control module includes a cloud platform. The liquid level measurement module and the oil conveying module are respectively connected to the control module. The liquid level measurement module is used to collect and display the oil level height. The cloud platform is used to compare the oil level height with a first liquid level height; if the oil level height is greater than the first liquid level height, the electric switching valve is opened to convey the oil to the catering oil system. The cloud platform also compares the oil level height with a second liquid level height; if the oil level height is less than the second liquid level height, then... The system shuts off the electric valve; and generates an oil level change curve per unit operating time based on the correlation between the rise and fall of the oil level and the operating time of the electrostatic precipitator. The operating status of the electrostatic precipitator is determined based on this curve. The first oil level is greater than the second. The oil level is displayed via a level measurement module, improving visibility. Monitoring the oil level via a cloud platform controls the opening and closing of the electric valve, ensuring timely oil discharge and reducing human maintenance costs and environmental pollution caused by human error. The generated oil level change curve per unit operating time effectively determines the operating status of the electrostatic precipitator.

[0031] Other features and advantages of this application will be set forth in the following description and will be apparent in part from the description or may be learned by practicing the application. The objectives and other advantages of this application are realized and obtained through the structures particularly pointed out in the description, claims and drawings.

[0032] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the specific embodiments of this application or 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 this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the control system for the oil collection tray of the electrostatic oil fume purifier provided in Embodiment 1 of the present invention;

[0035] Figure 2 This is a schematic diagram of the control system for another electrostatic oil fume purifier oil collection tray provided in Embodiment 1 of the present invention;

[0036] Figure 3 This is a schematic diagram of the electrostatic oil fume purifier provided in Embodiment 2 of the present invention;

[0037] Figure 4 This is a flowchart of the purification method for the electrostatic oil fume purifier provided in Embodiment 3 of the present invention.

[0038] icon:

[0039] 1-Level measurement module; 11-Level transmitter; 12-Level display; 2-Control module; 21-Network module; 22-Cloud platform; 23-Oil database; 24-Terminal; 3-Oil conveying module; 31-Electric switch valve; 32-Oil drain pipe; 4-Electrostatic fume purifier; 5-Oil collection tray. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] Oil fume purifiers are devices that purify oil fumes generated during cooking and food production. They are generally electrostatic oil fume purifiers, activated carbon purifiers, UV purifiers, etc.

[0042] This application uses an electrostatic precipitator for removing oil fumes or particulate matter using the principle of high-voltage electrostatics. It includes an oil collection tray, a transmitter, a level transmitter, and an electric actuator. The oil collection tray is a component at the bottom of the electrostatic precipitator used to collect oil. The transmitter is an instrument that converts the output signal of a sensor into a standard signal that can be accepted by a controller or measuring instrument; it mainly consists of a measuring section, an amplifier, and a feedback section. The level transmitter is used for the accurate measurement and transmission of the levels of water, oil, and paste-like substances. The electric actuator is powered by a single-phase AC power supply, accepts a unified standard DC signal, and outputs corresponding angular displacement, linear displacement, etc., to operate valves, dampers, baffles, and other regulating mechanisms. Its basic types include linear stroke, angular stroke, and rotary (multi-turn) drive methods. The electric actuator includes a servo amplifier and an electric operator.

[0043] This application displays and transmits the oil level height via a liquid level measurement module, improving the visibility, controllability, and accuracy of the oil level measurement, thus reducing manual maintenance costs and environmental pollution. By monitoring the oil level height through a cloud platform, it controls the opening and closing of the electric valve, enabling timely and automatic oil discharge, further reducing manual maintenance costs and environmental pollution caused by human error. This fully demonstrates the intelligent effect of the electrostatic oil fume purifier, achieving high efficiency and environmental protection requirements, and generating both economic and environmental benefits. The generated oil level change curve per unit operating time effectively determines the operating status of the electrostatic oil fume purifier, i.e., normal operation and emergency operation, and provides interface prompts, alarms, or cloud information alerts, achieving more intelligent control and management.

[0044] To facilitate understanding of this embodiment, the embodiments of this application will be described in detail below.

[0045] Example 1:

[0046] Figure 1 This is a schematic diagram of the control system for the oil collection tray of the electrostatic oil fume purifier provided in Embodiment 1 of the present invention;

[0047] Reference Figure 1 The system includes a liquid level measurement module 1, a control module 2, and an oil spill conveying module 3. The oil spill conveying module 3 includes an electric switch valve, and the control module 2 includes a cloud platform.

[0048] The liquid level measurement module 1 and the oil spill conveying module 3 are respectively connected to the control module 2;

[0049] Liquid level measurement module 1 is used to collect and display the oil level height.

[0050] The cloud platform is used to compare the oil level height with the first level height. If the oil level height is greater than the first level height, the electric switch valve is opened to transport the oil to the catering oil system.

[0051] The oil level is compared with the second level. If the oil level is lower than the second level, the electric valve is closed. The first level is higher than the second level.

[0052] Here, the first and second liquid levels can be set or changed on the cloud platform according to debugging and catering usage. The cloud platform is an intelligent platform that can realize wireless data communication, remote monitoring, and centralized equipment control.

[0053] Furthermore, based on the correlation between the rise and change of oil level and the operating time of the electrostatic precipitator, an oil level change curve per unit operating time is generated, and the operating status of the electrostatic precipitator is determined based on the oil level change curve per unit operating time.

[0054] In this embodiment, the oil level height is collected and displayed by the liquid level measurement module, improving the visibility of the oil level. The oil level height is monitored by the cloud platform and compared with the first or second liquid level height to control the opening or closing of the electric switch valve, so that the oil can be discharged in time, reducing human maintenance costs and environmental pollution caused by human error. The operating status of the electrostatic fume purifier is effectively determined by the generated oil level change curve per unit operating time.

[0055] Figure 2 This is a schematic diagram of the control system for another electrostatic oil fume purifier oil collection tray provided in Embodiment 1 of the present invention.

[0056] Reference Figure 2 The system includes: a liquid level measurement module 1, a control module 2, and an oil spill conveying module 3. The liquid level measurement module 1 includes a liquid level transmitter 11 and a liquid level display 12; the control module 2 includes a network module 21, a cloud platform 22, an oil spill database 23, and a terminal 24; and the oil spill conveying module 3 includes an electric switching valve 31 and an oil drain pipe 32.

[0057] Furthermore, the level transmitter 11 is used to collect the height of the oil spill level;

[0058] The level indicator 12 is used to display the height of the oil level.

[0059] Here, the level display 12 is connected to the control module 2. The level transmitter 11 collects the oil level height in real time and displays the oil level height on the level display 12, which improves the visibility, controllability and accuracy of the oil level height, reduces manual maintenance costs and reduces the possibility of environmental pollution.

[0060] Furthermore, the cloud platform 22 is used to continuously monitor the oil level when the oil level is lower than the first level.

[0061] Here, when the oil level is lower than the first level, it means that the oil is being transported to the catering oil system through the drain pipe. At this time, the cloud platform 22 needs to continuously monitor the oil level.

[0062] Furthermore, the cloud platform 22 is used to continuously transport oil to the catering oil system when the oil level is higher than the second level.

[0063] Here, when the oil level is higher than the second level, the oil needs to be continuously pumped to the catering oil spill system until the oil level is lower than the second level, at which point the cloud platform 22 shuts off the electric valve. By automatically removing the oil, manual maintenance costs and environmental pollution caused by human error are reduced, achieving high efficiency and environmental protection requirements, and generating economic and environmental benefits.

[0064] Furthermore, control module 2 also includes an oil pollution database 23;

[0065] The cloud platform 22 is used to receive the oil level height at each time point sent by the level transmitter 11, obtain the rise change value of the oil level height based on the oil level height at each time point, and send the oil level height and the rise change value of the oil level height at each time point to the oil database 23.

[0066] Furthermore, the control module 2 also includes a terminal 24;

[0067] Cloud platform 22 is used to determine whether the oil level change curve per unit operating time is within the normal fluctuation threshold range. If not, an alarm message is generated.

[0068] Terminal 24 is used to trigger an alarm based on alarm information.

[0069] Here, judging whether the oil level change curve per unit operating time is within the normal fluctuation threshold range can effectively determine the normal and accidental operating status of the electrostatic grease trap and provide interface prompts, alarms, or cloud information reminders.

[0070] Furthermore, terminal 24 is used to display the oil level height.

[0071] Terminal 24 is an input / output device connected to a computer system, which can be a mobile phone or a computer.

[0072] Furthermore, the control module 2 also includes a network module 21;

[0073] Network module 21 is used to send the oil level height to cloud platform 22.

[0074] Here, the network module 21 sends the oil level height to the cloud platform 22 and can also receive control commands sent by the cloud platform 22.

[0075] In addition, the control system of the electrostatic oil fume purifier's oil collection tray in this application can be equipped with an oil conveying module and an oil timer valve, which can be set to open and close at set times according to the catering situation, thereby achieving the purpose of sewage discharge.

[0076] The control system of the electrostatic oil fume purifier's oil collection tray in this application can also be equipped with a liquid level measurement module and an oil sludge conveying module. By configuring a liquid level switch, when the oil sludge level reaches a certain value, the oil sludge is automatically discharged, and when the oil sludge level drops to a certain value, the liquid level switch is automatically turned off.

[0077] This invention provides a control system for the oil collection tray of an electrostatic precipitator, including: a liquid level measurement module, an oil conveying module, and a control module. The oil conveying module includes an electrically operated valve, and the control module includes a cloud platform. The liquid level measurement module and the oil conveying module are respectively connected to the control module. The liquid level measurement module is used to collect and display the oil level height. The cloud platform is used to compare the oil level height with a first liquid level height; if the oil level height is greater than the first liquid level height, the electrically operated valve is opened to convey the oil to the catering oil system. The cloud platform is also used to compare the oil level height with a second liquid level height; if the oil level height is less than the second liquid level height, the electrically operated valve is closed. The system includes a switching valve; and a curve showing the change in oil level per unit operating time, generated based on the correlation between the rise and fall of the oil level and the operating time of the electrostatic precipitator. The operating status of the electrostatic precipitator is determined based on this curve. The first oil level is greater than the second. The oil level is displayed via a level measurement module, improving visibility. Monitoring the oil level via a cloud platform controls the opening and closing of the electric switching valve, ensuring timely oil discharge and reducing human maintenance costs and environmental pollution caused by human error. The generated curve effectively determines the operating status of the electrostatic precipitator.

[0078] Example 2:

[0079] Figure 3 This is a schematic diagram of the electrostatic oil fume purifier provided in Embodiment 2 of the present invention.

[0080] Reference Figure 3 The electrostatic precipitator 4 includes a control system for the electrostatic precipitator oil collection tray as described above. The system includes a liquid level measurement module, an oil conveying module, and a control module. The oil conveying module includes an electric switching valve 31 and an oil drain pipe. The control module includes a cloud platform. The electrostatic precipitator 4 also includes an oil collection tray 5 for collecting and storing oil. The oil collection tray 5 is located at the bottom of the electrostatic precipitator 4. The outer pipe of the oil collection tray 5 is connected to the liquid level measurement module via a flange, and the bottom end of the oil collection tray 5 is connected to the electric switching valve 31 via an oil drain pipe. The liquid level measurement module includes a liquid level transmitter 11 and a liquid level display 12.

[0081] Furthermore, the inner wall of the oil drain pipe is flush with the inside of the bottom plate of the oil collection tray 5.

[0082] The electrostatic precipitator 4 is used to remove and collect particulate matter from the oil fumes. The oil collection tray 5 is used to collect and store the oil removed by the electrostatic precipitator 4.

[0083] The electric switch valve 31 is used to open and close the oil drain pipe. The oil drain pipe of the oil collection tray 5 is connected to the front of the electric switch valve 31, and the oil drain pipe is connected to the complex or catering oil pollution system after the valve. The oil pollution conveying module uses its own weight to convey oil pollution. The oil drain pipe must maintain an inclination of ≥0.02.

[0084] Example 3:

[0085] Figure 4 This is a flowchart of the purification method for the electrostatic oil fume purifier provided in Embodiment 3 of the present invention.

[0086] Reference Figure 4 The method includes the following steps:

[0087] Step S1: The liquid level measurement module collects the oil level height and displays the oil level height;

[0088] Step S2: The cloud platform compares the oil level height with the first liquid level height.

[0089] Step S3: If the oil level is higher than the first level, the electric switch valve is opened to transport the oil to the catering oil system.

[0090] Step S4: If the oil level is lower than the first level, continue to monitor the oil level.

[0091] Step S5: When the oil is continuously transported, the oil level is continuously monitored, and the cloud platform compares the oil level with the second level.

[0092] Step S6: If the oil level is higher than the second level, continue to transport oil to the catering oil system.

[0093] Step S7: If the oil level is lower than the second level, close the electric switch valve.

[0094] Step S8: During normal operation, based on the relationship between the rise and change of oil level and the running time of the electrostatic precipitator, generate an oil level change curve per unit running time.

[0095] Step S9: Determine whether the oil level change curve per unit operating time is within the normal fluctuation threshold range;

[0096] Step S10: If not, generate an alarm message.

[0097] This invention provides an electrostatic oil fume purifier and purification method. The purifier displays the oil level height via a liquid level measurement module, improving the visibility of the oil level. By monitoring the oil level height through a cloud platform, the purifier controls the opening and closing of an electric valve, ensuring timely oil discharge and reducing human maintenance costs and environmental pollution caused by human error. The generated oil level change curve per unit operating time effectively determines the operating status of the electrostatic oil fume purifier.

[0098] The computer program product provided in this application includes a computer-readable storage medium storing program code. The instructions included in the program code can be used to execute the methods described in the preceding method embodiments. For specific implementation details, please refer to the method embodiments, which will not be repeated here.

[0099] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working process of the system and apparatus described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0100] Furthermore, in the description of the embodiments of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0101] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0102] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0103] Finally, it should be noted that the above-described embodiments are merely specific implementations of this application, used to illustrate the technical solutions of this application, and not to limit them. The scope of protection of this application is not limited thereto. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the scope of the technology disclosed in this application. Such modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be covered within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of protection of the claims.

Claims

1. A control system for an electrostatic precipitator's oil collection tray, characterized in that, The system includes: a liquid level measurement module, an oil spill conveying module, and a control module, wherein the oil spill conveying module includes an electric switching valve, and the control module includes a cloud platform; The liquid level measurement module and the oil spill conveying module are respectively connected to the control module; The liquid level measurement module is used to collect and display the oil level height. The cloud platform is used to compare the oil level height with the first level height. If the oil level height is greater than the first level height, the electric switch valve is opened to transport the oil to the catering oil system. The oil level is compared with the second level. If the oil level is less than the second level, the electric switch valve is closed. And based on the correspondence between the rise and change of the oil level height and the operating time of the electrostatic oil fume purifier, an oil level change curve per unit operating time is generated, and the operating status of the electrostatic oil fume purifier is determined based on the oil level change curve per unit operating time. Wherein, the first liquid level height is greater than the second liquid level height; The liquid level measurement module includes a liquid level transmitter and a liquid level display; The level transmitter is used to collect the height of the oil spill level; The liquid level display is used to display the height of the oil level; The control module also includes a terminal; The cloud platform is used to determine whether the oil level change curve per unit operating time is within the normal fluctuation threshold range. If not, an alarm message is generated. The terminal is used to issue an alarm based on the alarm information.

2. The control system for the oil collection tray of the electrostatic oil fume purifier according to claim 1, characterized in that, The cloud platform is used to continuously monitor the oil level when the oil level is lower than the first level.

3. The control system for the oil collection tray of the electrostatic oil fume purifier according to claim 1, characterized in that, The cloud platform is used to continuously transport the oil to the catering oil system when the oil level is higher than the second level.

4. The control system for the oil collection tray of the electrostatic oil fume purifier according to claim 1, characterized in that, The control module also includes an oil pollution database; The cloud platform is used to receive the oil level height at each time point sent by the level transmitter, obtain the rise change value of the oil level height based on the oil level height at each time point, and send the oil level height at each moment and the rise change value of the oil level height to the oil database.

5. The control system for the oil collection tray of the electrostatic oil fume purifier according to claim 1, characterized in that, The terminal is used to display the oil level height; The terminal is a mobile phone or a computer.

6. The control system for the oil collection tray of the electrostatic oil fume purifier according to claim 1, characterized in that, The control module also includes a network module; The network module is used to send the oil level height to the cloud platform.

7. An electrostatic oil fume purifier, characterized in that, The system includes the oil collection tray of the electrostatic oil fume purifier according to any one of claims 1 to 6, the system including a liquid level measurement module, an oil conveying module and a control module, the oil conveying module including an electric switching valve and an oil drain pipe, the control module including a cloud platform, and the electrostatic oil fume purifier further including an oil collection tray for collecting and storing oil. The oil collection tray is located at the bottom of the electrostatic oil fume purifier. The outer pipe of the oil collection tray is connected to the liquid level measuring module through a flange. The bottom end of the oil collection tray is connected to the electric switch valve through the oil drain pipe.

8. The electrostatic oil fume purifier according to claim 7, characterized in that, The inner wall of the oil drain pipe is flush with the inside of the bottom plate of the oil collection tray.

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