Monitoring and fire extinguishing method, device and system for power distribution cabinet

Abstract

The invention provides a monitoring and fire extinguishing method, device and system for a power distribution cabinet. According to the method, the power of the carbon dioxide fire extinguisher is determined according to the current internal temperature and the current smoke concentration, so that the fire extinguishing effect is achieved while normal use of components of the power distribution cabinet is not affected, and therefore compared with an existing scheme, the components in the power distribution cabinet cannot make contact with dry powder; therefore, the components of the power distribution cabinet can continue to be normally used after fire extinguishment, and the problem that economic loss is further expanded due to the fact that other components in the power distribution cabinet cannot continue to be used due to sprayed dry powder while fire extinguishment in an existing scheme cannot monitor fire disasters is solved.

Description

Technical Field

[0001] The present application relates to the technical field of fire extinguishing of power distribution cabinets, and in particular to a method, device and system for monitoring and extinguishing fire of power distribution cabinets. Background Art

[0002] The distribution cabinet plays a vital role in the power system. However, during operation, the distribution cabinet may experience abnormal temperature rise due to overload, short circuit and other reasons, and even catch fire in severe cases, which poses a great threat to power equipment and the surrounding environment. Although the current distribution cabinets have some temperature detection devices, the handling methods for dealing with abnormal temperature or fire are not perfect. Traditional fire extinguishers may cause secondary damage to the electrical components inside the distribution cabinet, and lack an automatic and accurate temperature abnormality handling mechanism.

[0003] The existing solution uses a fire extinguishing unit to allow the dry powder in the dry powder box to extinguish the fire generated in the distribution cabinet, avoiding serious power accidents and thus reducing economic losses. It is equipped with a smoke sensor and an alarm light, which can promptly start the air pump to extinguish the fire when a fire occurs in the distribution cabinet, and at the same time remind the staff through the alarm light.

[0004] However, the fire extinguishing unit of the existing solution can only extinguish the fire but cannot monitor the occurrence of the fire. Moreover, even if the fire is extinguished, the use of dry powder fire extinguishing will cause other components in the distribution cabinet to enter the dust and become unusable, resulting in further economic losses.

[0005] That is, the existing fire extinguishing solution cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to be unusable, resulting in further economic losses. Summary of the invention

[0006] The main purpose of the present application is to provide a method, device and system for monitoring and extinguishing fire in a distribution cabinet, so as to at least solve the problem that the fire extinguishing method of the existing solution cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to be unusable, resulting in further expansion of economic losses.

[0007] In order to achieve the above object, according to one aspect of the present application, a method for monitoring and extinguishing a power distribution cabinet is provided, the method comprising:

[0008] Acquire the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet by a smoke sensor to obtain the current internal temperature and the current smoke concentration;

[0009] The power of the carbon dioxide fire extinguisher is determined according to the current internal temperature and the current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the power distribution cabinet is not affected.

[0010] Optionally, determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration includes:

[0011] Determine a fire safety level according to the current internal temperature and the current smoke concentration range, wherein the fire safety level represents the severity of the fire in the power distribution cabinet;

[0012] The power of the carbon dioxide fire extinguisher is determined at least according to the fire safety level.

[0013] Optionally, the fire safety levels include a first fire safety level, a second fire safety level, and a third fire safety level, in which the severity of the fire of the power distribution cabinet decreases in sequence, and determining the power of the carbon dioxide fire extinguisher at least according to the fire safety levels includes:

[0014] When the fire safety level is the first fire safety level, maintaining the power of the carbon dioxide fire extinguisher at 0;

[0015] When the fire safety level is the second fire safety level, adjusting the power of the carbon dioxide fire extinguisher to a first preset power;

[0016] When the fire safety level is the third fire safety level, the power of the carbon dioxide fire extinguisher is adjusted to a second preset power, and the second preset power is greater than the first preset power.

[0017] Optionally, the fire safety level includes a first fire safety level, a second fire safety level, and a third fire safety level in which the severity of the fire of the power distribution cabinet decreases in sequence. After determining the power of the carbon dioxide fire extinguisher when the fire safety level is not the first fire safety level, the method further includes:

[0018] Obtaining a temperature change value of the internal environment of the power distribution cabinet within a preset time period to obtain a current temperature change value;

[0019] According to the current temperature change value, the power of the carbon dioxide fire extinguisher is increased or decreased with a preset step size.

[0020] Optionally, determining the power of the carbon dioxide fire extinguisher at least according to the fire safety level comprises:

[0021] Acquire an infrared image of the internal environment of the power distribution cabinet to obtain a current infrared image;

[0022] Using infrared thermal imaging technology to process the current infrared image to determine the fire location;

[0023] According to the fire safety level, the power of the carbon dioxide fire extinguisher corresponding to the fire location is adjusted.

[0024] Optionally, after adjusting the power of the carbon dioxide fire extinguisher to the first preset power, the method further comprises: generating an early warning instruction to prompt that there is a risk of fire in the internal environment of the power distribution cabinet;

[0025] After adjusting the power of the carbon dioxide fire extinguisher to a second preset power, the method further includes: generating an alarm instruction to prompt that a fire has occurred in the internal environment of the power distribution cabinet.

[0026] Optionally, after maintaining the power of the carbon dioxide fire extinguisher at 0, the method further comprises:

[0027] Repeat the monitoring step until the fire safety level is not the first fire safety level, the monitoring step comprising obtaining the internal ambient temperature of the distribution cabinet and the smoke concentration collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration; determine the power of the carbon dioxide fire extinguisher based on the current internal temperature and the current smoke concentration.

[0028] Optionally, before determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, the method further includes: a training step: obtaining training data, using the training data set to input into a neural network model to obtain an output of the neural network model; comparing the output of the neural network model with the true label, and calculating a loss function to measure the difference between the prediction of the neural network model and the true value; using a back-propagation algorithm to calculate the gradient of the loss function to the parameters of the neural network model, and updating the parameters of the model according to the gradient to reduce the loss function value, and updating the parameters of the neural network model according to a gradient descent optimization algorithm; a repeating step: repeatedly executing the training step until the neural network model converges or reaches a preset number of training rounds to obtain a final neural network model;

[0029] Determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration includes: using the final neural network model to process the current internal temperature and the current smoke concentration to obtain the power of the carbon dioxide fire extinguisher.

[0030] According to another aspect of the present application, a monitoring and fire extinguishing device for a power distribution cabinet is provided, the device comprising:

[0031] An acquisition unit, used to acquire the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet collected by the smoke sensor, to obtain the current internal temperature and the current smoke concentration;

[0032] The first processing unit is used to determine the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the distribution cabinet is not affected.

[0033] According to another aspect of the present application, a monitoring and fire extinguishing system for a distribution cabinet is provided, comprising: one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs include methods for executing any one of the methods described.

[0034] By applying the technical solution of the present application, the power of the carbon dioxide fire extinguisher is determined according to the current internal temperature and the current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the distribution cabinet is not affected. Compared with the existing solution, the present application will not allow the components in the distribution cabinet to contact the dry powder, so that the components of the distribution cabinet can continue to be used normally after the fire is extinguished, thereby solving the problem that the fire extinguishing of the existing solution cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to continue to be used, resulting in further expansion of economic losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings constituting part of the present application are used to provide a further understanding of the present application. The exemplary embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0036] Figure 1 A schematic diagram of a flow chart of a method for monitoring and extinguishing a power distribution cabinet provided according to an embodiment of the present application is shown;

[0037] Figure 2 A schematic diagram of a flow chart of another method for monitoring and extinguishing a power distribution cabinet provided according to an embodiment of the present application is shown;

[0038] Figure 3 A structural block diagram of a monitoring and fire extinguishing device for a power distribution cabinet provided according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0039] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0040] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] For the convenience of description, some nouns or terms involved in the embodiments of the present application are explained below:

[0043] A carbon dioxide fire extinguisher is a fire extinguisher that uses carbon dioxide gas to extinguish fire. It is suitable for Class B and Class C fires, and can quickly extinguish flames and effectively control the spread of fire. A carbon dioxide fire extinguisher is a dry powder fire extinguisher that releases carbon dioxide gas into the fire scene when used to suppress the burning of the flame by reducing the oxygen concentration and cooling. It is suitable for electrical fires and flammable liquid fires, but not for metal fires. When using a carbon dioxide fire extinguisher, be careful to avoid harm to the human body caused by carbon dioxide gas, and pay attention to safety when using it.

[0044] As introduced in the background technology, the fire extinguishing unit of the existing solution can only put out the fire during use but cannot monitor the occurrence of fire. Even if the fire is extinguished, the use of dry powder fire extinguishing will cause other components in the distribution cabinet to be unable to continue to be used due to dust entering the cabinet, resulting in further economic losses. In order to solve the problem that the fire extinguishing unit of the existing solution cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to be unable to continue to be used, resulting in further economic losses, the embodiments of the present application provide a monitoring and fire extinguishing method, device and system for a distribution cabinet.

[0045] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0046] In this embodiment, a method for monitoring and extinguishing fire in a distribution cabinet 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, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0047] Figure 1 It is a flow chart of a method for monitoring and extinguishing a power distribution cabinet provided according to an embodiment of the present application.

[0048] like Figure 1 As shown, the method comprises the following steps:

[0049] Step S101, obtaining the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration;

[0050] Step S102, determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, so as to achieve the effect of extinguishing the fire while ensuring that the normal use of the components of the power distribution cabinet is not affected.

[0051] In the above steps, the power of the carbon dioxide fire extinguisher is determined according to the above current internal temperature and the above current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the above distribution cabinet is not affected. Compared with the existing scheme, the present application will not allow the components in the distribution cabinet to contact the dry powder, so that the components of the distribution cabinet can continue to be used normally after the fire is extinguished, thereby solving the problem that the fire extinguishing of the existing scheme cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to continue to be used, resulting in further expansion of economic losses.

[0052] Step S102, i.e. determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, comprises:

[0053] Determine a fire safety level according to the current internal temperature and the current smoke concentration range, wherein the fire safety level represents the severity of the fire in the power distribution cabinet;

[0054] By setting a mapping relationship table, according to the current internal temperature and the current smoke density, the fire safety level corresponding to the current internal temperature and the current smoke density is found from the mapping relationship table.

[0055] The power of the above-mentioned carbon dioxide fire extinguisher is determined at least according to the above-mentioned fire safety level.

[0056] There are two implementation methods:

[0057] The first implementation method is: the fire safety level includes a first fire safety level, a second fire safety level and a third fire safety level, the fire severity of the power distribution cabinet decreasing in sequence;

[0058] When the fire safety level is the first fire safety level, the power of the carbon dioxide fire extinguisher is kept at 0;

[0059] When the fire safety level is the second fire safety level, the power of the carbon dioxide fire extinguisher is adjusted to the first preset power, and the relevant circuits inside the power distribution cabinet are cut off to avoid short circuit, overload or other chain reactions caused by high temperature;

[0060] When the fire safety level is the third fire safety level, the power of the carbon dioxide fire extinguisher will be adjusted to the second preset power, and the relevant circuits inside the distribution cabinet will be cut off to avoid short circuit, overload or other chain reactions due to high temperature. The second preset power is greater than the first preset power.

[0061] In addition, a fourth fire safety level may be included in which the fire situation is more serious. When the fire safety level is the fourth fire safety level, the power of the carbon dioxide fire extinguisher is adjusted to a third preset power, which is greater than the second preset power.

[0062] Specifically, in the first specific implementation manner, only the fire safety level is considered, and the second preset power and the first preset power can be taken as corresponding values ​​according to the internal volume of the distribution cabinet.

[0063] In one embodiment of the present application, the fire safety level includes a first fire safety level, a second fire safety level, and a third fire safety level of the power distribution cabinet, the fire severity of which decreases in sequence. After determining the power of the carbon dioxide fire extinguisher when the fire safety level is not the first fire safety level, the method further includes:

[0064] Obtaining the temperature change value of the internal environment of the above power distribution cabinet within a preset time period to obtain the current temperature change value;

[0065] According to the current temperature change value, the power of the carbon dioxide fire extinguisher is increased or decreased with a preset step size.

[0066] The second implementation is:

[0067] Acquire an infrared image of the internal environment of the power distribution cabinet to obtain a current infrared image;

[0068] The infrared thermal imaging technology is used to process the above current infrared image to determine the fire location;

[0069] Infrared thermal imaging technology can help determine the location of the fire. Here is the specific process:

[0070] Collect infrared images: First, use an infrared thermal imaging camera to collect current infrared images, which can show the heat distribution of objects; Image preprocessing: Preprocess the collected infrared images, including noise removal, image quality enhancement and other operations to better analyze the images; Fire source detection: Use image processing algorithms and fire detection algorithms to analyze the preprocessed infrared images and identify possible fire source locations; Determine the fire location: Determine the specific location of the fire based on the detected fire source location and other relevant information, and take appropriate measures to deal with it; Fire source tracking: By continuously collecting infrared images, the fire source can be tracked, the development of the fire can be monitored, and timely measures can be taken to control it.

[0071] According to the fire safety level, the power of the carbon dioxide fire extinguisher corresponding to the fire location is adjusted.

[0072] Get an infrared image of the internal environment of the power distribution cabinet: First, use an infrared thermal imaging instrument to scan the internal environment of the power distribution cabinet to obtain the current infrared image; process the infrared image to determine the location of the fire: through infrared thermal imaging technology, the temperature distribution in the infrared image can be analyzed to determine whether there is a fire and the location of the fire. After determining the location of the fire, adjust the power of the carbon dioxide fire extinguisher: according to the above-mentioned fire location and the safety level of the fire, adjust the power of the carbon dioxide fire extinguisher corresponding to the fire location; usually, the more serious the fire location and the higher the safety level, the more powerful the carbon dioxide fire extinguisher is required to extinguish the fire; fire extinguishing operation: according to the adjusted power of the carbon dioxide fire extinguisher, perform the fire extinguishing operation; ensure safety during the fire extinguishing process to avoid the spread of the fire.

[0073] Specifically, according to the fire safety level, the power of the carbon dioxide fire extinguisher corresponding to the fire location is adjusted in the same way as the first implementation. Compared with the first implementation, the second implementation has a higher fire extinguishing efficiency and can extinguish the fire more quickly. The relevant circuits inside the power distribution cabinet corresponding to the fire location will be cut off to avoid short circuit, overload or other chain reactions caused by high temperature.

[0074] This application can also solve the problem that the temperature abnormality of the distribution cabinet cannot be discovered in time and the problem that the distribution cabinet overload or short circuit fire cannot be extinguished in time.

[0075] In one embodiment of the present application, after the power of the above-mentioned carbon dioxide fire extinguisher is adjusted to a first preset power, the above-mentioned method further includes: generating a warning instruction to indicate that there is a risk of fire in the internal environment of the above-mentioned distribution cabinet; after the power of the above-mentioned carbon dioxide fire extinguisher is adjusted to a second preset power, the above-mentioned method further includes: generating an alarm instruction to indicate that a fire has occurred in the internal environment of the above-mentioned distribution cabinet.

[0076] Specifically, after the power of the carbon dioxide fire extinguisher is adjusted to the first preset power, the staff needs to be informed that there is a risk of fire in the internal environment of the distribution cabinet, so the warning instruction is broadcast in the form of voice; after the power of the carbon dioxide fire extinguisher is adjusted to the second preset power, the staff needs to be informed that a fire has occurred in the internal environment of the distribution cabinet, so the alarm instruction needs to be broadcast in the form of voice, and both instructions can also be broadcast through the alarm. Effectively monitor the temperature of the distribution cabinet to remind the staff in time, and effectively prevent the distribution cabinet from catching fire and affecting the safety of the surrounding environment and causing a fire.

[0077] The distribution cabinet monitors the temperature through a high-precision temperature monitor. When the temperature is abnormal, it can use a carbon dioxide fire extinguisher to automatically cool down or extinguish the fire when it catches fire, and remind relevant staff to reduce economic losses. Compared with dry powder fire extinguishing, carbon dioxide can extinguish fire and control temperature without affecting the service life of other electrical components.

[0078] In one embodiment of the present application, after maintaining the power of the carbon dioxide fire extinguisher at 0, the method further includes:

[0079] Repeat the monitoring step until the fire safety level is not the first fire safety level, the monitoring step comprising obtaining the internal ambient temperature of the distribution cabinet and the smoke concentration collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration; determine the power of the carbon dioxide fire extinguisher based on the current internal temperature and the current smoke concentration.

[0080] By repeatedly executing the monitoring steps, the present application can achieve the goal of real-time monitoring of the fire in the power distribution cabinet in a process cycle.

[0081] In one embodiment of the present application, before determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, the method further includes:

[0082] Training step: obtain training data, use the above training data set to input into the neural network model, and obtain the output of the above neural network model. The training data includes the internal ambient temperature of the distribution cabinet and the smoke concentration collected by the smoke sensor.

[0083] In the training process of neural network, forward propagation refers to inputting training data into the neural network model and calculating the output of the model through a series of linear and nonlinear transformations. This process can be regarded as the process of signal propagation along neurons in the neural network, and finally obtaining the output result of the network. In the forward propagation process, each neuron receives the output of the neurons in the previous layer, and passes it to the neurons in the next layer after the weight and activation function, until the output result of the output layer is obtained.

[0084] Compare the output of the above neural network model with the true label, and calculate the loss function to measure the difference between the prediction of the above neural network model and the true value;

[0085] Calculating the loss function means comparing the output of the model with the true label, and calculating the loss function to measure the difference between the model's prediction and the true value. Commonly used loss functions include Mean Squared Error and Cross Entropy Loss. By calculating the loss function, you can evaluate the performance of the model on the training data and adjust the model's parameters based on the value of the loss function.

[0086] Using a back-propagation algorithm to calculate the gradient of the loss function to the parameters of the neural network model, and updating the parameters of the model according to the gradient to reduce the loss function value, and updating the parameters of the neural network model according to a gradient descent optimization algorithm;

[0087] Back propagation refers to using the back propagation algorithm to calculate the gradient of the loss function to the model parameters, and updating the model parameters according to the gradient to reduce the loss function value. In the back propagation process, the error of the output layer is first calculated, and then the error of each layer is calculated layer by layer through the chain rule, and finally the gradient of each parameter is calculated. Using optimization algorithms such as gradient descent to update the model parameters, the loss function is gradually reduced, thereby improving the accuracy of the model.

[0088] Parameter updating refers to updating the parameters of the model according to optimization algorithms such as gradient descent to reduce the loss function value. Commonly used optimization algorithms include Stochastic Gradient Descent and Adam optimization algorithms. By continuously iteratively updating the parameters of the model, the model gradually converges to the optimal solution, thereby improving the generalization ability and prediction performance of the model. The entire training process is continuously iterated through steps such as forward propagation, calculation of loss function, back propagation and parameter update until the model converges or the upper limit of the number of training times is reached.

[0089] Repeating step: Repeating the above training steps until the above neural network model converges or reaches a preset number of training rounds to obtain a final neural network model;

[0090] Determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration includes: using the final neural network model to process the current internal temperature and the current smoke concentration to obtain the power of the carbon dioxide fire extinguisher.

[0091] In order to enable those skilled in the art to more clearly understand the technical solution of the present application, the implementation process of the monitoring and fire extinguishing method of the distribution cabinet of the present application will be described in detail below in combination with specific embodiments.

[0092] This embodiment relates to a specific method for monitoring and extinguishing a power distribution cabinet, such as Figure 2 As shown, including:

[0093] Execute training steps and repeating steps; training step: obtain training data, use the training data set to input into the neural network model, and obtain the output of the neural network model; compare the output of the neural network model with the true label, and calculate the loss function to measure the difference between the prediction of the neural network model and the true value; use the back propagation algorithm to calculate the gradient of the loss function to the parameters of the neural network model, and update the parameters of the model according to the gradient to reduce the loss function value, and update the parameters of the neural network model according to the gradient descent optimization algorithm; repeating step: repeat the training steps until the neural network model converges or reaches the preset number of training rounds to obtain the final neural network model;

[0094] Obtain the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet by the smoke sensor to obtain the current internal temperature and the current smoke concentration;

[0095] The final neural network model is used to determine the fire safety level based on the current internal temperature and the current smoke concentration range;

[0096] Acquire an infrared image of the internal environment of the power distribution cabinet to obtain a current infrared image;

[0097] Use infrared thermal imaging technology to process the current infrared image and determine the fire location;

[0098] When the fire safety level is the first fire safety level, the power of the carbon dioxide fire extinguisher corresponding to the fire position is kept at 0, and the monitoring step is repeatedly performed until the fire safety level is not the first fire safety level, and the monitoring step includes obtaining the internal ambient temperature of the power distribution cabinet and the smoke concentration collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration; determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration;

[0099] When the fire safety level is the second fire safety level, adjusting the power of the carbon dioxide fire extinguisher corresponding to the fire location to the first preset power;

[0100] When the fire safety level is the third fire safety level, the power of the carbon dioxide fire extinguisher corresponding to the fire location is adjusted to a second preset power, the second preset power being greater than the first preset power;

[0101] Obtain the temperature change value of the internal environment of the power distribution cabinet within 10 seconds and obtain the current temperature change value;

[0102] According to the current temperature change value, the power of the carbon dioxide fire extinguisher is increased or decreased in a preset step size.

[0103] Specifically, when the current temperature change value is a positive value, the power of the carbon dioxide fire extinguisher is increased with a preset step size; when the current temperature change value is a negative value, the power of the carbon dioxide fire extinguisher is reduced with a preset step size.

[0104] The preset step size may be determined according to the internal volume of the power distribution cabinet, and the preset time period may be 10 seconds.

[0105] It should be noted that the steps shown in the flowcharts of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and that, although a logical order is shown in the flowcharts, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0106] The embodiment of the present application also provides a monitoring and fire extinguishing device for a distribution cabinet. It should be noted that the monitoring and fire extinguishing device for the distribution cabinet of the embodiment of the present application can be used to execute the monitoring and fire extinguishing method for the distribution cabinet provided in the embodiment of the present application. The device is used to implement the above-mentioned embodiments and preferred implementation modes, and the descriptions that have been made will not be repeated. As used below, the term "module" can implement a combination of software and / or hardware for a predetermined function. Although the device described in the following embodiments is preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceived.

[0107] The following is an introduction to the monitoring and fire extinguishing device for the distribution cabinet provided in the embodiment of the present application.

[0108] Figure 3 1 is a structural block diagram of a monitoring and fire extinguishing device for a power distribution cabinet provided according to an embodiment of the present application. Figure 3 As shown, the device comprises:

[0109] An acquisition unit 31 is used to acquire the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration;

[0110] The first processing unit 32 is used to determine the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the power distribution cabinet is not affected.

[0111] In the above-mentioned device, the power of the carbon dioxide fire extinguisher is determined according to the above-mentioned current internal temperature and the above-mentioned current smoke concentration, so as to achieve the effect of fire extinguishing while ensuring that the normal use of the components of the above-mentioned distribution cabinet is not affected. Therefore, compared with the existing scheme, the present application will not allow the components in the distribution cabinet to contact the dry powder, so that the components of the distribution cabinet can continue to be used normally after the fire is extinguished, thereby solving the problem that the fire extinguishing of the existing scheme cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to continue to be used, resulting in further expansion of economic losses.

[0112] In one embodiment of the present application, the first processing unit includes a first determining module and a second determining module.

[0113] The first determination module is used to determine the fire safety level according to the current internal temperature and the current smoke concentration range, wherein the fire safety level represents the severity of the fire in the power distribution cabinet;

[0114] The second determination module is used to determine the power of the carbon dioxide fire extinguisher at least according to the fire safety level.

[0115] In one embodiment of the present application, the fire safety level includes a first fire safety level, a second fire safety level and a third fire safety level of the power distribution cabinet, the fire severity of which decreases in sequence, and the second determination module includes a first processing submodule, a second processing submodule and a third processing submodule.

[0116] The first processing submodule is used for maintaining the power of the carbon dioxide fire extinguisher at 0 when the fire safety level is the first fire safety level;

[0117] The second processing submodule is used for adjusting the power of the carbon dioxide fire extinguisher to a first preset power when the fire safety level is the second fire safety level;

[0118] The third processing submodule is used for adjusting the power of the carbon dioxide fire extinguisher to a second preset power when the fire safety level is the third fire safety level, and the second preset power is greater than the first preset power.

[0119] In one embodiment of the present application, the fire safety level includes a first fire safety level, a second fire safety level and a third fire safety level in which the severity of the fire in the distribution cabinet decreases in sequence, and the second determination module includes a first acquisition submodule and a fourth processing submodule. The first acquisition submodule is used to determine the power of the carbon dioxide fire extinguisher when the fire safety level is not the first fire safety level, and then obtain the temperature change value of the internal environment of the distribution cabinet within a preset time period to obtain the current temperature change value; the fourth processing submodule is used to increase the power of the carbon dioxide fire extinguisher or reduce the power of the carbon dioxide fire extinguisher according to the current temperature change value with a preset step size.

[0120] In one embodiment of the present application, the second determination module includes a second acquisition submodule, a fifth processing submodule and a sixth processing submodule. The second acquisition submodule is used to acquire an infrared image of the internal environment of the above-mentioned distribution cabinet to obtain a current infrared image; the fifth processing submodule is used to process the above-mentioned current infrared image using infrared thermal imaging technology to determine the fire location; the sixth processing submodule is used to adjust the power of the above-mentioned carbon dioxide fire extinguisher corresponding to the above-mentioned fire location according to the above-mentioned fire safety level.

[0121] In one embodiment of the present application, the second determination module includes a first generation submodule and a second generation submodule; the first generation submodule is used to generate a warning instruction after adjusting the power of the above-mentioned carbon dioxide fire extinguisher to a first preset power, to prompt that there is a risk of fire in the internal environment of the above-mentioned distribution cabinet; the second generation submodule is used to, after adjusting the power of the above-mentioned carbon dioxide fire extinguisher to a second preset power, the method also includes: generating an alarm instruction to prompt that a fire has occurred in the internal environment of the above-mentioned distribution cabinet.

[0122] In one embodiment of the present application, the second determination module includes a seventh processing submodule, which is used to repeat the monitoring step after maintaining the power of the above-mentioned carbon dioxide fire extinguisher at 0 until the above-mentioned fire safety level is not the first fire safety level, and the above-mentioned monitoring step includes obtaining the internal ambient temperature of the distribution cabinet and the smoke concentration collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration; determine the power of the above-mentioned carbon dioxide fire extinguisher based on the above-mentioned current internal temperature and the above-mentioned current smoke concentration.

[0123] In one embodiment of the present application, the device further includes a second processing unit and a third processing unit, the second processing unit being used for, before determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, performing a training step: obtaining training data, using the training data set to input into a neural network model, and obtaining an output of the neural network model; comparing the output of the neural network model with a true label, and calculating a loss function to measure the difference between the prediction of the neural network model and the true value; calculating the gradient of the loss function to the parameters of the neural network model using a back propagation algorithm, and updating the parameters of the model according to the gradient to reduce the loss function value, and updating the parameters of the neural network model according to a gradient descent optimization algorithm; the third processing unit is used for repeating the steps: repeatedly executing the training steps until the neural network model converges or reaches a preset number of training rounds, so as to obtain a final neural network model;

[0124] The first processing unit includes a third determination module, and the third determination module is used to use the final neural network model to process the current internal temperature and the current smoke concentration to obtain the power of the carbon dioxide fire extinguisher.

[0125] The monitoring and fire extinguishing device of the power distribution cabinet includes a processor and a memory. The acquisition unit and the first processing unit are stored in the memory as program units, and the processor executes the program units stored in the memory to implement corresponding functions. The modules are all located in the same processor; or, the modules are located in different processors in any combination.

[0126] The processor contains a kernel, which calls the corresponding program unit from the memory. One or more kernels can be set, and the kernel parameters can be adjusted to solve the problem that the existing fire extinguishing solution cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to be unusable, resulting in further economic losses.

[0127] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM, and the memory includes at least one memory chip.

[0128] An embodiment of the present invention provides a computer-readable storage medium, which includes a stored program, wherein when the program is running, the device where the computer-readable storage medium is located is controlled to execute the monitoring and fire extinguishing method of the distribution cabinet.

[0129] An embodiment of the present invention provides a processor, and the processor is used to run a program, wherein the monitoring and fire extinguishing method of the power distribution cabinet is executed when the program is run.

[0130] The embodiment of the present invention provides a device, the device includes a processor, a memory and a program stored in the memory and can be run on the processor. When the processor executes the program, at least the following steps are implemented: obtaining the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration; according to the current internal temperature and the current smoke concentration, the power of the carbon dioxide fire extinguisher is determined to achieve the effect of fire extinguishing while ensuring that the normal use of the components of the power distribution cabinet is not affected. The device in this article can be a server, PC, PAD, mobile phone, etc.

[0131] The present application also provides a computer program product, which, when executed on a data processing device, is suitable for executing an initialization program having at least the following method steps: obtaining the internal ambient temperature of the distribution cabinet and the smoke concentration of the internal environment of the above-mentioned distribution cabinet collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration; determining the power of the carbon dioxide fire extinguisher based on the above-mentioned current internal temperature and the above-mentioned current smoke concentration to achieve the fire extinguishing effect while ensuring that the normal use of the components of the above-mentioned distribution cabinet is not affected.

[0132] The present application also provides a monitoring and fire extinguishing system for a power distribution cabinet, comprising: one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs include methods for executing any of the above methods. According to the current internal temperature and the current smoke concentration, the power of the carbon dioxide fire extinguisher is determined to achieve the effect of extinguishing the fire while ensuring that the normal use of the components of the power distribution cabinet is not affected. Compared with the existing solution, the present application will not allow the components in the power distribution cabinet to contact the dry powder, so that the components of the power distribution cabinet can continue to be used normally after the fire is extinguished, thereby solving the problem that the fire extinguishing of the existing solution cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the power distribution cabinet to be unable to continue to be used, resulting in further expansion of economic losses.

[0133] The warning temperature (60-70℃) and the dangerous temperature (80℃ and above) can be set. When the temperature inside the distribution cabinet reaches the warning temperature, the system will automatically start the primary warning mechanism, send a warning signal to the remote monitoring center, and remind the inspection personnel to take targeted measures quickly to prevent the accident from further deteriorating. When the temperature continues to rise and reaches the dangerous threshold, the system determines that the temperature is abnormal and immediately starts the cooling program. At the same time, the intelligent controller will cut off the relevant circuits inside the distribution cabinet to avoid short circuits, overloads or other chain reactions caused by high temperature, further ensuring the safety of the system. When the temperature rises further and is determined to be a possible fire state, the system will automatically start the fire extinguishing program and quickly spray the carbon dioxide fire extinguishing agent into the distribution cabinet through a special nozzle for fire extinguishing until the temperature returns to a safe range. In order to improve the efficiency of fire extinguishing and cooling, the system has set up a set of optimized carbon dioxide injection devices. The position and distribution of the nozzles have been calculated to ensure that the carbon dioxide gas can evenly cover every corner inside the distribution cabinet. This uniform coverage setting can quickly extinguish the fire source and effectively reduce the temperature, while avoiding the existence of fire extinguishing dead corners. In addition, carbon dioxide as a fire extinguishing agent has the characteristics of non-corrosive and non-polluting, which can protect equipment while reducing subsequent maintenance costs. The entire system is uniformly managed and coordinated by a highly intelligent controller. The intelligent controller can deeply link with the power system of the distribution cabinet, the temperature detection device and the carbon dioxide fire extinguishing and cooling system to form an adaptive, efficient and safe system. The intelligent controller can not only make autonomous decisions and respond to abnormal temperature conditions, but also connect to the remote monitoring system through the network, so that the operation and maintenance personnel can grasp the temperature status and operating parameters of the distribution cabinet at any time, and conduct remote control and management. In addition, the system also provides multiple redundant settings to ensure that it can still operate normally under extreme conditions. For example, when a local sensor fails, the system can judge the temperature status and make accurate decisions through a data cross-validation mechanism, thereby improving reliability. At the same time, the system supports the storage and backtracking of operation logs and alarm records, which facilitates the operation and maintenance personnel to analyze and maintain historical data. The addition of this high-precision temperature control and automatic fire extinguishing system has greatly improved the safety and intelligence level of the distribution cabinet, which can not only effectively prevent fire accidents, but also significantly reduce the burden of traditional manual inspections, providing a solid guarantee for the stable operation of the power system.

[0134] Obviously, those skilled in the art should understand that the above modules or steps of the present invention can be implemented by a general computing device, they can be concentrated on a single computing device, or distributed on a network composed of multiple computing devices, they can be implemented by a program code executable by a computing device, so that they can be stored in a storage device and executed by the computing device, and in some cases, the steps shown or described can be executed in a different order than here, or they can be made into individual integrated circuit modules, or multiple modules or steps therein can be made into a single integrated circuit module for implementation. Thus, the present invention is not limited to any specific combination of hardware and software.

[0135] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented in one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that include computer-usable program code.

[0136] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0137] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0138] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0139] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0140] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0141] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0142] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0143] From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:

[0144] 1) The monitoring and fire extinguishing method of the distribution cabinet of the present application determines the power of the carbon dioxide fire extinguisher according to the above-mentioned current internal temperature and the above-mentioned current smoke concentration, so as to achieve the effect of fire extinguishing while ensuring that the normal use of the components of the above-mentioned distribution cabinet is not affected. Compared with the existing scheme, the present application will not allow the components in the distribution cabinet to contact with dry powder, so that the components of the distribution cabinet can continue to be used normally after the fire is extinguished, thereby solving the problem that the fire extinguishing of the existing scheme cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to continue to be used, resulting in further expansion of economic losses.

[0145] 2) The monitoring and fire extinguishing device of the distribution cabinet of the present application determines the power of the carbon dioxide fire extinguisher according to the above-mentioned current internal temperature and the above-mentioned current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the above-mentioned distribution cabinet is not affected. Compared with the existing scheme, the present application will not allow the components in the distribution cabinet to contact the dry powder, so that the components of the distribution cabinet can continue to be used normally after the fire is extinguished, thereby solving the problem that the fire extinguishing of the existing scheme cannot monitor the occurrence of fire, and the sprayed dry powder will cause other components in the distribution cabinet to continue to be used, resulting in further expansion of economic losses.

[0146] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method for monitoring and extinguishing a power distribution cabinet, characterized in that: include: Acquire the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet by a smoke sensor to obtain the current internal temperature and the current smoke concentration; The power of the carbon dioxide fire extinguisher is determined according to the current internal temperature and the current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the power distribution cabinet is not affected.

2. The method according to claim 1, characterized in that Determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, including: Determine a fire safety level according to the current internal temperature and the current smoke concentration range, wherein the fire safety level represents the severity of the fire in the power distribution cabinet; The power of the carbon dioxide fire extinguisher is determined at least according to the fire safety level.

3. The method according to claim 2, characterized in that The fire safety levels include a first fire safety level, a second fire safety level, and a third fire safety level, which are lower in order of fire severity of the power distribution cabinet, and the power of the carbon dioxide fire extinguisher is determined at least according to the fire safety levels, including: When the fire safety level is the first fire safety level, maintaining the power of the carbon dioxide fire extinguisher at 0; When the fire safety level is the second fire safety level, adjusting the power of the carbon dioxide fire extinguisher to a first preset power; When the fire safety level is the third fire safety level, the power of the carbon dioxide fire extinguisher is adjusted to a second preset power, and the second preset power is greater than the first preset power.

4. The method according to claim 2, characterized in that: The fire safety level includes a first fire safety level, a second fire safety level, and a third fire safety level, the fire severity of the power distribution cabinet decreasing in sequence. After determining the power of the carbon dioxide fire extinguisher when the fire safety level is not the first fire safety level, the method further includes: Obtaining a temperature change value of the internal environment of the power distribution cabinet within a preset time period to obtain a current temperature change value; According to the current temperature change value, the power of the carbon dioxide fire extinguisher is increased or decreased with a preset step size.

5. The method according to claim 2, characterized in that: Determining the power of the carbon dioxide fire extinguisher at least according to the fire safety level includes: Acquire an infrared image of the internal environment of the power distribution cabinet to obtain a current infrared image; Using infrared thermal imaging technology to process the current infrared image to determine the fire location; According to the fire safety level, the power of the carbon dioxide fire extinguisher corresponding to the fire location is adjusted.

6. The method according to claim 3, characterized in that After adjusting the power of the carbon dioxide fire extinguisher to the first preset power, the method further includes: generating an early warning instruction to indicate that there is a risk of fire in the internal environment of the power distribution cabinet; After adjusting the power of the carbon dioxide fire extinguisher to a second preset power, the method further includes: generating an alarm instruction to prompt that a fire has occurred in the internal environment of the power distribution cabinet.

7. The method according to any one of claims 2 to 6, characterized in that After maintaining the power of the carbon dioxide fire extinguisher at 0, the method further comprises: Repeat the monitoring step until the fire safety level is not the first fire safety level, the monitoring step comprising obtaining the internal ambient temperature of the distribution cabinet and the smoke concentration collected by the smoke sensor to obtain the current internal temperature and the current smoke concentration; determine the power of the carbon dioxide fire extinguisher based on the current internal temperature and the current smoke concentration.

8. The method according to claim 1, characterized in that Before determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, the method further includes: a training step: obtaining training data, using the training data set to input into a neural network model, and obtaining an output of the neural network model; comparing the output of the neural network model with a true label, and calculating a loss function to measure the difference between the prediction of the neural network model and the true value; using a back-propagation algorithm to calculate the gradient of the loss function to the parameters of the neural network model, and updating the parameters of the model according to the gradient to reduce the loss function value, and updating the parameters of the neural network model according to a gradient descent optimization algorithm; a repeating step: repeatedly executing the training step until the neural network model converges or reaches a preset number of training rounds to obtain a final neural network model; Determining the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration includes: using the final neural network model to process the current internal temperature and the current smoke concentration to obtain the power of the carbon dioxide fire extinguisher.

9. A monitoring and fire extinguishing device for a power distribution cabinet, characterized in that: include: An acquisition unit, used to acquire the internal environment temperature of the power distribution cabinet and the smoke concentration of the internal environment of the power distribution cabinet collected by the smoke sensor, to obtain the current internal temperature and the current smoke concentration; The first processing unit is used to determine the power of the carbon dioxide fire extinguisher according to the current internal temperature and the current smoke concentration, so as to achieve the fire extinguishing effect while ensuring that the normal use of the components of the distribution cabinet is not affected.

10. A monitoring and fire extinguishing system for a power distribution cabinet, characterized in that: include: One or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs include methods for executing any one of claims 1 to 8.

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