Fan control method of transformer and related device

Abstract

The invention discloses a fan control method of a transformer, a fan control device of the transformer, fan control equipment and a computer readable storage medium, and the method comprises the steps that after an equipment starting command is received, an equipment internal picture is acquired through a camera arranged in the equipment; identifying the internal picture of the equipment through a dust deposition amount identification model to obtain dust deposition degree index data; wherein the ash deposition amount identification model is obtained by training acquired ash deposition amount photos of different degrees; judging whether the ash deposition degree index data is greater than preset ash deposition degree data or not; if yes, a control instruction is generated according to the dust deposition degree index data, and the fan is controlled to conduct reverse rotation operation based on the control instruction; wherein the control instruction comprises the air volume and the ash removal duration; and when the execution duration of the reverse rotation operation is larger than or equal to the dust removal duration, the fan is controlled to execute forward rotation operation. The dust accumulation problem of the fan is effectively solved, and the reliability and stability of the transformer air cooling system are improved.

Description

Technical Field

[0001] The present invention relates to a fan control method for a transformer, and more specifically, to a fan control method for a transformer, a fan control device for a transformer, a fan control equipment, and a computer-readable storage medium. Background Art

[0002] As the core equipment for power transmission and distribution, transformers occupy a vital position in the power system. Their safe, stable and efficient operation is of irreplaceable significance for ensuring the reliable power supply of the entire power network.

[0003] In the related technology, the traditional transformer air cooling operation mode mainly dynamically selects the number of fan groups to be put into operation based on the real-time load condition of the transformer and temperature parameters such as oil temperature, so as to effectively control the temperature of the transformer and ensure that it works within an appropriate temperature range. However, in areas with high wind and sand, when the fan is not in operation, due to the lack of effective protection measures, a large amount of sand and dust particles in the wind and sand will be deposited on the surface of the fan blades without hindrance.

[0004] As the amount of dust accumulation continues to increase, the aerodynamic performance of the fan will be seriously affected. The fan needs to overcome greater resistance when rotating, which significantly increases its load and greatly reduces the heat dissipation efficiency. This will not only make it difficult to effectively control the oil temperature of the transformer, but also significantly accelerate the aging of the internal insulation material of the transformer that is in high temperature operation for a long time, greatly shortening the service life of the transformer, and may also cause a series of serious problems such as overheating failures.

[0005] Therefore, how to effectively solve the dust accumulation problem of the fan and improve the reliability and stability of the transformer air cooling system is a key issue that technical personnel in this field are concerned about. Summary of the invention

[0006] The purpose of this application is to provide a transformer fan control method, a transformer fan control device, a fan control equipment, and a computer-readable storage medium, which effectively solve the problem of fan dust accumulation and improve the reliability and stability of the transformer air cooling system.

[0007] In view of the above defects or improvement needs of the prior art, the present invention provides a fan control method for a transformer, comprising:

[0008] After receiving the device startup command, a camera installed inside the device is used to obtain a photo of the inside of the device;

[0009] The photos of the interior of the equipment are identified by a dust accumulation recognition model to obtain dust accumulation index data; wherein the dust accumulation recognition model is obtained by training with photos of different dust accumulation levels collected;

[0010] Determining whether the dust accumulation index data is greater than a preset dust accumulation index data;

[0011] If yes, a control instruction is generated according to the dust accumulation index data, and the fan is controlled to perform a reverse operation based on the control instruction; wherein the control instruction includes the air volume and the dust cleaning time;

[0012] When the execution time of the reverse rotation operation is greater than or equal to the dust cleaning time, the fan is controlled to perform a forward rotation operation.

[0013] Optionally, the training process of the dust accumulation amount recognition model includes:

[0014] Collect photos of different levels of dust accumulation;

[0015] Selecting a dust area in the dust accumulation photo to obtain a processed photo;

[0016] The initial classification model is trained based on the processed photos to obtain the dust accumulation recognition model.

[0017] Optionally, also include:

[0018] If the fan is stopped for longer than a preset time, the fan is controlled to perform a reverse operation according to a preset cycle.

[0019] Optionally, also include:

[0020] Get weather data;

[0021] If the weather data indicates sandstorm weather, the fan is controlled to perform a reverse operation according to a preset cycle.

[0022] The present application also provides a fan control device for a transformer, comprising:

[0023] The photo acquisition module is used to acquire photos of the inside of the device through a camera arranged inside the device after receiving a device startup command;

[0024] A dust accumulation degree recognition module is used to recognize the internal photos of the device through a dust accumulation amount recognition model to obtain dust accumulation degree index data; wherein the dust accumulation amount recognition model is obtained by training the collected photos of dust accumulation amounts of different degrees;

[0025] A dust accumulation judgment module, used to judge whether the dust accumulation index data is greater than a preset dust accumulation index data;

[0026] A fan reversing module, for generating a control instruction according to the dust accumulation index data when the dust accumulation index data is greater than a preset dust accumulation index data, and controlling the fan to perform a reversing operation based on the control instruction; wherein the control instruction includes the air volume and the dust cleaning time;

[0027] The fan forward rotation module is used to control the fan to perform a forward rotation operation when the execution time of the reverse operation is greater than or equal to the dust cleaning time.

[0028] Optionally, also include:

[0029] The model training module is used to collect photos of dust accumulation of different degrees; select the dust area in the dust accumulation photos to obtain processed photos; and train the initial classification model based on the processed photos to obtain the dust accumulation recognition model.

[0030] Optionally, also include:

[0031] The shutdown cleaning module is used to control the fan to perform a reverse operation according to a preset cycle if the shutdown time of the fan is greater than a preset shutdown time.

[0032] Optionally, also include:

[0033] The wind and sand cleaning module is used to obtain weather data; if the weather data is windy and sandy weather, the fan is controlled to perform reverse operation according to a preset cycle.

[0034] The present application also provides a fan control device, comprising:

[0035] Memory for storing computer programs;

[0036] The processor is used to implement the steps of the fan control method described above when executing the computer program.

[0037] The present application also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the fan control method described above are implemented.

[0038] The present application provides a fan control method for a transformer, comprising: upon receiving a device startup command, obtaining a photo of the interior of the device through a camera arranged inside the device; identifying the photo of the interior of the device through a dust accumulation recognition model to obtain dust accumulation degree index data; wherein the dust accumulation recognition model is obtained by training with collected photos of dust accumulation of different degrees; judging whether the dust accumulation degree index data is greater than a preset dust accumulation degree data; if so, generating a control instruction according to the dust accumulation degree index data, and controlling the fan to perform a reverse operation based on the control instruction; wherein the control instruction includes the air volume and the cleaning time; when the execution time of the reverse operation is greater than or equal to the cleaning time, controlling the fan to perform a forward operation.

[0039] It has the following beneficial effects:

[0040] By acquiring photos through the camera, the degree of dust accumulation is determined by the dust accumulation recognition model, and the fan reverses to accurately control dust cleaning. This effectively solves the dust accumulation problem of transformer fans in high wind and sand areas, improves the fan heat dissipation efficiency, ensures stable operation of the transformer, extends the service life of the equipment, reduces overheating failures caused by dust accumulation, and improves the reliability and stability of the air cooling system. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0042] Figure 1 A flow chart of a transformer fan control method provided in an embodiment of the present application;

[0043] Figure 2 A schematic structural diagram of a fan control device for a transformer provided in an embodiment of the present application;

[0044] Figure 3 A schematic diagram of the structure of a fan control device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0045] The purpose of this application is to provide a transformer fan control method, a transformer fan control device, a fan control equipment, and a computer-readable storage medium, which effectively solve the problem of fan dust accumulation and improve the reliability and stability of the transformer air cooling system.

[0046] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0047] A transformer fan control method provided by the present application is described below through an embodiment.

[0048] Please refer to Figure 1 , Figure 1 A flow chart of a transformer fan control method provided in an embodiment of the present application.

[0049] In this embodiment, the method may include:

[0050] S101, after receiving a device startup command, obtaining a photo of the interior of the device through a camera disposed inside the device;

[0051] In this step, the camera is used as an image acquisition device to obtain image information inside the device in a timely manner when the device is started, providing raw data for the subsequent judgment of dust accumulation. The camera can intuitively record the appearance of the fan and its surroundings, and by taking photos, it can reflect the distribution and degree of dust accumulation on the fan surface.

[0052] A high-definition camera is installed at a suitable position inside the transformer to ensure that the camera's shooting range can cover key parts such as the fan. The camera is connected to the control system. When the control system receives the device start command, it triggers the camera to start shooting, obtain photos inside the device, and transmit the photo data to the subsequent processing module.

[0053] This step provides the most basic image information source for the entire fan dust accumulation monitoring and control process, providing an intuitive data basis for subsequent dust accumulation identification and processing decisions, and realizing visual monitoring of the internal status of the equipment, which helps to promptly detect dust accumulation problems and take corresponding measures.

[0054] S102, identifying the internal photos of the equipment through a dust accumulation recognition model to obtain dust accumulation degree index data; wherein the dust accumulation recognition model is obtained by training the collected photos of dust accumulation at different degrees;

[0055] Based on S101, the dust accumulation recognition model in this step is constructed based on machine learning or deep learning algorithms. By pre-collecting a large number of photos with different degrees of dust accumulation as training samples, the model learns the characteristic patterns of dust accumulation in images (such as changes in color, texture, shape, etc.), so that it can analyze newly taken photos of the interior of the device, extract characteristic information related to dust accumulation, and convert it into dust accumulation degree index data according to the learned pattern, so as to achieve quantitative evaluation of the degree of dust accumulation.

[0056] First, we collect photos of fans with various states of dust accumulation, from light to severe, and annotate them, noting the degree of dust accumulation in each photo. Then, we use these annotated data to train the selected model architecture (such as convolutional neural network) and adjust the model parameters until the model achieves a high recognition accuracy. In actual operation, we input the photos obtained by the camera into the trained model, and the model outputs the dust accumulation index data.

[0057] The model-based dust accumulation identification method in this step is highly automated and accurate, and can quickly and objectively evaluate the degree of dust accumulation, avoiding the subjectivity and inefficiency of manual judgment. It provides reliable data support for precise control of fan cleaning operations and improves the intelligence level of fan dust accumulation management.

[0058] S103, determining whether the dust accumulation index data is greater than a preset dust accumulation index data;

[0059] Based on S102, the dust accumulation data preset in this step is a threshold value set according to the operation requirements and performance characteristics of the transformer fan. By comparing the dust accumulation index data obtained by real-time identification with the threshold value, it is determined whether the current fan dust accumulation situation has reached the level that requires dust cleaning, which serves as a decision basis for triggering the subsequent fan reverse dust cleaning operation.

[0060] In this step, when the system is initialized, a reasonable preset dust accumulation degree data is set according to the specifications of the transformer, the design parameters of the fan, and the actual operation experience. After each dust accumulation degree index data is obtained, the comparison module in the control system compares it with the preset value, and the comparison result is output as a logic judgment signal.

[0061] In this step, it is possible to accurately determine whether the fan dust accumulation status exceeds the acceptable range, avoiding unnecessary cleaning operations (when the dust accumulation has not reached a serious level). At the same time, it ensures that cleaning is started in time when the dust accumulation does affect the fan performance, effectively balancing the timeliness of the cleaning operation and the economy and stability of the system operation.

[0062] S104, if yes, generating a control instruction according to the dust accumulation index data, and controlling the fan to perform a reverse operation based on the control instruction; wherein the control instruction includes the air volume and the dust cleaning time;

[0063] On the basis of S103, in this step, when the dust accumulation reaches the standard that needs to be cleaned, the appropriate cleaning strategy is determined according to the dust accumulation index data. When the dust accumulation is heavy, a larger air volume and a longer cleaning time may be required to ensure effective removal of dust accumulation. Fan reversal uses the airflow direction opposite to normal operation to blow off the dust attached to the fan blades. A reasonable combination of air volume and cleaning time can improve the cleaning effect while avoiding excessive impact on the fan and equipment or energy waste.

[0064] In this step, the control system generates a control instruction containing a specific air volume and cleaning time according to the dust accumulation index data through a pre-set algorithm or strategy table. For example, the higher the dust accumulation index data, the larger the corresponding air volume setting and the longer the cleaning time. The control instruction is then sent to the fan drive circuit to drive the fan motor to reverse and run according to the specified air volume and time.

[0065] In this step, personalized cleaning control is implemented according to the actual dust accumulation situation, which improves the cleaning efficiency and quality, minimizes the impact of dust accumulation on fan performance, extends the service life of the fan, and ensures the stable operation of the transformer air cooling system. At the same time, reasonable air volume and duration settings help reduce energy consumption and equipment losses.

[0066] S105, when the execution time of the reverse operation is greater than or equal to the dust cleaning time, the fan is controlled to execute the forward operation.

[0067] Based on S104, this step ensures that the fan resumes normal operation in time after completing the scheduled cleaning task to ensure the normal heat dissipation function of the transformer. By accurately controlling the duration of the reversal operation, it is possible to avoid the cleaning time being too long to affect the normal operation of the equipment, and also to prevent the dust accumulation problem caused by incomplete cleaning from persisting.

[0068] In this step, a timing module is provided in the control system, which starts timing when the fan starts to reverse. When the timing reaches the preset dust cleaning time, the control system automatically switches the control signal to drive the fan motor from reverse rotation to forward rotation.

[0069] In this step, the orderly switching of the fan operation mode is ensured. On the basis of effective dust cleaning, the normal heat dissipation function is restored in time to maintain the stable operating temperature of the transformer, so that the fan can achieve a good balance between dust cleaning and normal operation, thereby improving the reliability and stability of the entire transformer air cooling system.

[0070] In summary, this embodiment obtains photos through a camera, determines the degree of dust accumulation through a dust accumulation recognition model, and accurately controls the fan reverse cleaning, which effectively solves the dust accumulation problem of transformer fans in high wind and sand areas, improves the fan heat dissipation efficiency, ensures stable operation of the transformer, extends the service life of the equipment, reduces overheating failures caused by dust accumulation, and improves the reliability and stability of the air cooling system.

[0071] A fan control device for a transformer provided in an embodiment of the present application is introduced below. The fan control device for a transformer and a fan control method for a transformer described below can refer to each other.

[0072] Please refer to Figure 2 , Figure 2 A schematic structural diagram of a fan control device for a transformer provided in an embodiment of the present application.

[0073] In this embodiment, the device may include:

[0074] The photo acquisition module 100 is used to acquire photos of the inside of the device through a camera arranged inside the device after receiving a device startup command;

[0075] The dust accumulation degree recognition module 200 is used to recognize the internal photos of the equipment through the dust accumulation amount recognition model to obtain the dust accumulation degree index data; wherein the dust accumulation amount recognition model is obtained by training the collected photos of dust accumulation amounts of different degrees;

[0076] The dust accumulation judgment module 300 is used to judge whether the dust accumulation index data is greater than the preset dust accumulation index data;

[0077] The fan reversing module 400 is used to generate a control instruction according to the dust accumulation index data when the dust accumulation index data is greater than the preset dust accumulation index data, and control the fan to perform a reversing operation based on the control instruction; wherein the control instruction includes the air volume and the dust cleaning time;

[0078] The fan forward rotation module 500 is used to control the fan to perform a forward rotation operation when the execution time of the reverse rotation operation is greater than or equal to the dust cleaning time.

[0079] Optionally, also include:

[0080] The model training module is used to collect photos of different degrees of dust accumulation; select the dust area in the dust accumulation photos to obtain processed photos; and train the initial classification model based on the processed photos to obtain a dust accumulation recognition model.

[0081] Optionally, also include:

[0082] The shutdown cleaning module is used to control the fan to perform reverse operation according to a preset cycle if the shutdown time of the fan is greater than the preset shutdown time.

[0083] Optionally, also include:

[0084] The wind and sand cleaning module is used to obtain weather data; if the weather data indicates windy and sandy weather, the fan is controlled to perform reverse operation according to a preset cycle.

[0085] This application also provides a fan control device, please refer to Figure 3 , Figure 3 This is a schematic diagram of the structure of a fan control device provided in an embodiment of the present application. The fan control device may include:

[0086] Memory for storing computer programs;

[0087] The processor is used to implement the steps of any one of the above-mentioned transformer fan control methods when executing a computer program.

[0088] like Figure 3FIG. 1 is a schematic diagram of the structure of a fan control device, which may include a processor 10, a memory 11, a communication interface 12, and a communication bus 13. The processor 10, the memory 11, and the communication interface 12 communicate with each other through the communication bus 13.

[0089] In the embodiment of the present application, the processor 10 may be a central processing unit (CPU), an application specific integrated circuit, a digital signal processor, a field programmable gate array or other programmable logic devices.

[0090] The processor 10 may call a program stored in the memory 11. Specifically, the processor 10 may execute operations in an embodiment of the abnormal IP identification method.

[0091] The memory 11 is used to store one or more programs, which may include program codes, and the program codes include computer operation instructions. In the embodiment of the present application, the memory 11 at least stores programs for implementing the following functions:

[0092] After receiving the device startup command, a camera installed inside the device is used to obtain a photo of the inside of the device;

[0093] The dust accumulation recognition model is used to identify the internal photos of the equipment to obtain the dust accumulation index data; wherein the dust accumulation recognition model is obtained by training the collected photos of dust accumulation of different degrees;

[0094] Determine whether the dust accumulation index data is greater than the preset dust accumulation index data;

[0095] If yes, a control instruction is generated according to the dust accumulation index data, and the fan is controlled to perform a reverse operation based on the control instruction; wherein the control instruction includes the air volume and the dust cleaning time;

[0096] When the execution time of the reverse operation is greater than or equal to the dust cleaning time, the fan is controlled to perform the forward operation.

[0097] In a possible implementation, the memory 11 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application required for at least one function, etc.; the data storage area may store data created during use.

[0098] In addition, the memory 11 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device or other volatile solid-state storage device.

[0099] The communication interface 12 may be an interface of a communication module, and is used to connect to other devices or systems.

[0100] Of course, it should be noted that Figure 3 The structure shown does not constitute a limitation on the fan control device in the embodiment of the present application. In actual applications, the fan control device may include Figure 3 More or fewer components than shown, or combinations of certain components.

[0101] The present application also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of any of the above-mentioned fan control methods for a transformer can be implemented.

[0102] The computer-readable storage medium may include: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes.

[0103] For an introduction to the computer-readable storage medium provided in this application, please refer to the above method embodiment, and this application will not go into details here.

[0104] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part description.

[0105] Professionals may further appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in the above description according to function. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians may use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0106] The steps of the method or algorithm described in conjunction with the embodiments disclosed herein may be implemented directly using hardware, a software module executed by a processor, or a combination of the two. The software module may be placed in a random access memory (RAM), a memory, a read-only memory (ROM), an electrically programmable ROM, an electrically erasable programmable ROM, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

[0107] The above is a detailed introduction to a transformer fan control method, a transformer fan control device, a fan control equipment, and a computer-readable storage medium provided by the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A fan control method for a transformer, characterized in that: include: After receiving the device startup command, a photo of the inside of the device is obtained through a camera set inside the device; The photos of the interior of the equipment are identified by a dust accumulation recognition model to obtain dust accumulation index data; wherein the dust accumulation recognition model is obtained by training with photos of different dust accumulation levels collected; Determining whether the dust accumulation index data is greater than a preset dust accumulation index data; If yes, a control instruction is generated according to the dust accumulation index data, and the fan is controlled to perform a reverse operation based on the control instruction; wherein the control instruction includes the air volume and the dust cleaning time; When the execution time of the reverse rotation operation is greater than or equal to the dust cleaning time, the fan is controlled to perform a forward rotation operation.

2. The fan control method according to claim 1, characterized in that: The training process of the dust accumulation recognition model includes: Collect photos of different levels of dust accumulation; Selecting a dust area in the dust accumulation photo to obtain a processed photo; The initial classification model is trained based on the processed photos to obtain the dust accumulation recognition model.

3. The fan control method according to claim 2, characterized in that: Also includes: If the fan is stopped for longer than a preset time, the fan is controlled to perform a reverse operation according to a preset cycle.

4. The fan control method according to claim 3, characterized in that: Also includes: Get weather data; If the weather data indicates sandstorm weather, the fan is controlled to perform a reverse operation according to a preset cycle.

5. A fan control device for a transformer, characterized in that: include: The photo acquisition module is used to acquire photos of the inside of the device through a camera arranged inside the device after receiving a device startup command; A dust accumulation degree recognition module is used to recognize the internal photos of the device through a dust accumulation amount recognition model to obtain dust accumulation degree index data; wherein the dust accumulation amount recognition model is obtained by training the collected photos of dust accumulation amounts of different degrees; A dust accumulation judgment module, used to judge whether the dust accumulation index data is greater than a preset dust accumulation index data; A fan reversing module, for generating a control instruction according to the dust accumulation index data when the dust accumulation index data is greater than a preset dust accumulation index data, and controlling the fan to perform a reversing operation based on the control instruction; wherein the control instruction includes the air volume and the dust cleaning time; The fan forward rotation module is used to control the fan to perform a forward rotation operation when the execution time of the reverse operation is greater than or equal to the dust cleaning time.

6. The fan control device according to claim 5, characterized in that: Also includes: The model training module is used to collect photos with different degrees of dust accumulation; select the dust area in the dust accumulation photos to obtain processed photos; The initial classification model is trained based on the processed photos to obtain the dust accumulation recognition model.

7. The fan control device according to claim 6, characterized in that: Also includes: The shutdown cleaning module is used to control the fan to perform a reverse operation according to a preset cycle if the shutdown time of the fan is greater than a preset shutdown time.

8. The fan control device according to claim 7, characterized in that: Also includes: The wind and sand cleaning module is used to obtain weather data; if the weather data is windy and sandy weather, the fan is controlled to perform reverse operation according to a preset cycle.

9. A fan control device, characterized in that: include: Memory for storing computer programs; A processor, configured to implement the steps of the fan control method according to any one of claims 1 to 4 when executing the computer program.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the fan control method according to any one of claims 1 to 4 are implemented.

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