Cable heat dissipation system and method

Abstract

The invention relates to a cable heat dissipation system and method. The system comprises a liquid cooling system corresponding to a liquid cooling heat dissipation mode, an air cooling system corresponding to an air cooling heat dissipation mode, detection equipment and a controller. The detection equipment is used for acquiring cable operation information of the cable in the current working period; the controller is used for determining a target heat dissipation mode of the cable in the current work period based on the cable operation information; under the condition that the target heat dissipation mode comprises a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, determining a heat dissipation sequence matched with the cable operation information; the heat dissipation sequence is used for representing the starting sequence of the liquid cooling heat dissipation mode and the starting sequence of the air cooling heat dissipation mode; under the condition that the target heat dissipation mode is operated in the heat dissipation sequence in the current work period, the operation state of the cable in the next work period is predicted based on a state prediction model matched with the historical state information of the cable; and adjusting the target heat dissipation mode based on the operation state, so as to carry out heat dissipation on the cable in the next work period based on the adjusted target heat dissipation mode.

Description

Technical Field

[0001] The present application relates to the field of power systems and thermal management technology, and in particular to a cable heat dissipation system and method. Background Art

[0002] In order to improve the carrying capacity of the cable, a double-split cable (i.e., in-phase parallel cable) can be used to transmit power to increase the transmission capacity. When using a double-split cable for power transmission, there will be an imbalance in the current transmitted by the two sub-cables running in parallel due to factors of the line itself, such as line differentiation caused by differences in path length and manufacturing process, and impedance asymmetry caused by electromagnetic coupling between multiple cables. When the double-split cable works under current imbalance conditions, its heat dissipation capacity will be affected. Cable heat dissipation is a key issue in power engineering, especially in high-power cable transmission. The generation and accumulation of heat will affect the operating efficiency and life of the cable, and may cause safety hazards. Therefore, studying and implementing efficient cable heat dissipation solutions is a key issue in power engineering.

[0003] In conventional technology, a natural air cooling mode can be used to dissipate heat from the cable. However, the above-mentioned cooling mode has low cooling efficiency and does not conform to the actual operating conditions of the cable, resulting in low accuracy in cooling the cable. Summary of the invention

[0004] Based on this, it is necessary to provide a cable heat dissipation system and method that can improve the heat dissipation efficiency and heat dissipation accuracy of the cable in response to the above technical problems.

[0005] In a first aspect, the present application provides a cable heat dissipation system. The cable heat dissipation system includes a liquid cooling system corresponding to a liquid cooling heat dissipation mode, an air cooling system corresponding to an air cooling heat dissipation mode, a detection device and a controller; the detection device is used to obtain the cable operation information of the cable in the current working cycle; the controller is used to determine the target heat dissipation mode of the cable in the current working cycle based on the cable operation information; when the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, determine the heat dissipation sequence that matches the cable operation information; the heat dissipation sequence is used to characterize the activation sequence of the liquid cooling heat dissipation mode and the air cooling heat dissipation mode; when the target heat dissipation mode is operated in the heat dissipation sequence in the current working cycle, based on the state prediction model that matches the historical state information of the cable, predict the operation state of the cable in the next working cycle; adjust the target heat dissipation mode based on the operation state, so as to dissipate the heat of the cable in the next working cycle based on the adjusted target heat dissipation mode.

[0006] In one embodiment, the detection device includes a humidity sensor and a temperature sensor; the humidity sensor is used to collect the ambient humidity of the cable in the current working cycle; the temperature sensor is used to collect the cable temperature of the cable in the current working cycle; the controller is also used to determine the heat dissipation mode that matches the cable temperature and ambient humidity as the target heat dissipation mode of the cable in the current working cycle based on the mapping relationship between the preset temperature range, the preset humidity range and the heat dissipation mode.

[0007] In one embodiment, the controller is also used for: when the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, if the ambient humidity is greater than or equal to a first humidity threshold and less than or equal to a second humidity threshold, then determining that the activation order of the air cooling mode is higher than the activation order of the liquid cooling mode; when the current working cycle runs in the air cooling mode for a preset period of time, if the temperature difference between the re-detected cable temperature and the cable temperature of the current working cycle is less than or equal to the temperature difference threshold, then controlling the liquid cooling system to start.

[0008] In one embodiment, the controller is also used to execute any of the following: the first item: based on a state prediction model matching the historical state information corresponding to the cable, the cable operation information of the cable in the current working cycle is analyzed, and the operation state of the cable in the next working cycle is predicted; the historical state information includes the historical operation information within the historical working cycle, and the state prediction model is trained based on the historical operation information; the second item: based on a state prediction model matching the historical state information corresponding to the cable, the environmental parameters and energy consumption of the cable in the current working cycle are analyzed, and the operation state of the cable in the next working cycle is predicted; wherein the historical state information includes the historical energy consumption within the historical working cycle and the historical environmental parameters corresponding to the historical energy consumption, and the state prediction model is trained based on the historical energy consumption and the historical environmental parameters.

[0009] In one embodiment, the cable operation information includes the cable temperature; the controller is also used to: determine the temperature trend between the cable temperature corresponding to the operating state and the cable temperature of the current working cycle; when the temperature trend shows an upward trend, increase the heat dissipation rate of the liquid cooling system and the air cooling system; when the temperature trend shows a downward trend, control the liquid cooling system to stop operating.

[0010] In one embodiment, the controller is also used to: when the target heat dissipation mode includes a liquid cooling heat dissipation mode, if the temperature trend shows a downward trend, reduce the heat dissipation rate of the liquid cooling system; when the target heat dissipation mode includes a liquid cooling heat dissipation mode, if the temperature trend shows an upward trend, control the air cooling system to start and increase the heat dissipation rate of the liquid cooling system.

[0011] In one embodiment, the liquid cooling system includes a coolant and a radiator, the air cooling system includes a fan, the interval distance between the fan and the cable is less than or equal to a distance threshold, or the interval distance between the fan and the radiator is less than or equal to a distance threshold; the detection device includes an environmental sensor; the environmental sensor is used to obtain the ambient air pressure and altitude of the cable in the current working cycle; the cable operation information includes the altitude and the ambient air pressure; the controller is also used to control the liquid cooling system to increase the flow rate and / or flow rate of the coolant, and control the air cooling system to increase the speed and / or power of the fan when the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, if the ambient air pressure is less than the air pressure threshold or the altitude is greater than the altitude threshold, so as to improve the heat dissipation efficiency of the air cooling heat dissipation mode and the liquid cooling heat dissipation mode.

[0012] In one embodiment, the liquid cooling system also includes: a coolant temperature detection device, a heating device and a cooling device; the coolant temperature detection device is used to detect the temperature of the coolant; the heating device is used to heat the temperature of the coolant to a first preset temperature when the temperature of the coolant is less than a first set threshold value; the cooling device is used to heat the temperature of the coolant to a second preset temperature when the temperature of the coolant is greater than a second set threshold value; wherein the first preset temperature and the second preset temperature are within a preset usage range of the coolant.

[0013] In one embodiment, the system includes multiple thermal imaging cameras; multiple thermal imaging cameras are used to detect thermal radiation on the surface of the cable and generate thermal images; and a controller is also used to increase the heat dissipation rate of the liquid cooling system and / or the air cooling system when the hot spot location is detected based on the thermal image.

[0014] In a second aspect, the present application provides a cable heat dissipation method, which is applied to the first aspect or any one of the cable heat dissipation systems in the first aspect, and the method includes: obtaining cable operation information of the cable in a current working cycle; based on the cable operation information, determining a target heat dissipation mode of the cable in the current working cycle; when the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, determining a heat dissipation sequence that matches the cable operation information; the heat dissipation sequence is used to characterize the activation sequence of the liquid cooling heat dissipation mode and the air cooling heat dissipation mode; when the target heat dissipation mode is operated in the heat dissipation sequence in the current working cycle, based on a state prediction model that matches the historical state information of the cable, predicting the operating state of the cable in the next working cycle; adjusting the target heat dissipation mode based on the operating state, so as to dissipate heat for the cable in the next working cycle based on the adjusted target heat dissipation mode.

[0015] The above-mentioned cable heat dissipation system and method can determine the actual operating condition of the cable based on the cable operation information, and then the determined target heat dissipation mode matches the actual operating condition of the cable, which can improve the heat dissipation accuracy; when the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, the heat dissipation efficiency can be improved by combining liquid cooling and air cooling; by adjusting the target heat dissipation mode based on the predicted operating status, the heat dissipation mode of the next working cycle can be adjusted in advance, so that when the next working cycle is reached, the heat dissipation mode cable matching the operating condition of the next working cycle can be used in time to improve the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a structural block diagram of a cable heat dissipation system in one embodiment;

[0017] Figure 2 A schematic diagram of the structure of a cable heat dissipation system in one embodiment;

[0018] Figure 3 A schematic flow chart of a cable heat dissipation method in another embodiment;

[0019] Figure 4 is a structural block diagram of a cable heat dissipation device in one embodiment;

[0020] Figure 5 FIG. 4 is a diagram showing the internal structure of a computer device in one embodiment.

[0021] Reference numerals:

[0022] 1-cable; 2-coolant circulation pipeline; 3-radiator; 4-fan; 5-coolant quality detection equipment; 6-coolant pump. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application 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 application and are not used to limit the present application.

[0024] In traditional technology, natural air cooling uses air convection to naturally remove heat, which is suitable for low-power cables, but its heat dissipation efficiency is insufficient in high-power applications. In traditional technology, forced air cooling can also be used to dissipate heat from cables. Forced air cooling uses fans to enhance airflow and improve heat dissipation performance, but there are problems such as noise, high energy consumption, and uneven airflow distribution. The above traditional heat dissipation methods are unable to meet the requirements of modern power systems for high-power cable heat dissipation, and liquid cooling technology came into being. Liquid cooling technology has been widely used in high-power electronic equipment due to its excellent thermal conductivity.

[0025] Generally, liquid cooling systems can absorb and transfer the heat generated by cables through the circulation of coolant, and then transfer the heat to the radiator or cooling device, but its complex structure, high installation and maintenance costs limit its wide application in cable heat dissipation. However, the current cable heat dissipation technology still has the following major limitations when facing the heat dissipation needs of high-power cables: limited heat dissipation efficiency, especially difficult to meet the needs under high power and complex environments; complex heat dissipation system structure, high maintenance and installation costs, and difficulty in dynamic adjustment; insufficient intelligent control functions, failure to fully utilize real-time data for heat dissipation optimization; safety issues have not been effectively resolved, such as fire hazards and equipment failure risks still need attention.

[0026] In order to overcome the limitations of single heat dissipation technology, the composite technology of air cooling and liquid cooling came into being. The composite application of air cooling and liquid cooling technology has become an important development trend. By combining the efficient heat absorption characteristics of the liquid cooling system with the expanded heat dissipation capacity of the air cooling system, the liquid cooling system is responsible for efficiently absorbing heat, while the air cooling system enhances the heat exchange capacity of the radiator in the liquid cooling system, thereby improving the overall heat dissipation efficiency and reducing the complexity and cost of a single system.

[0027] However, the design and optimization of this composite cooling system faces many challenges, including the coordinated control between the liquid cooling and air cooling systems, the adjustment of the cooling capacity under load changes, etc. Moreover, the cable cooling system needs to consider complex environmental factors in practical applications, such as humidity, air pressure and ambient temperature, which may affect the performance and reliability of the cable cooling system. Therefore, it is necessary to integrate environmental monitoring devices to optimize the system operation. In addition, the cable cooling system needs to meet strict safety standards, including fire prevention and safety measures to ensure the stability and safety of the system under extreme environmental conditions. Therefore, it has become an urgent need in the current power engineering field to comprehensively develop a composite cooling system that integrates liquid cooling and air cooling, and combines intelligent control and environmental monitoring technologies to improve the overall performance and safety of the cable cooling system. At the same time, how to coordinate the collaborative work of these two technologies and how to dynamically adjust the cooling performance are directions that need further optimization.

[0028] In summary, in order to overcome the limitations of traditional heat dissipation solutions, by combining liquid cooling and air cooling, the cable's operating information such as temperature, humidity, air pressure, and ambient temperature can be obtained in real time. Thus, the cable heat dissipation system can dynamically adjust the heat dissipation mode according to the actual operating conditions to improve its heat dissipation performance and energy efficiency. For example, the cable's operating information such as temperature, humidity, air pressure, and ambient temperature can be obtained through sensors to sense the cable's heat dissipation needs in real time, and the heat dissipation mode can be adjusted intelligently to avoid unnecessary energy consumption, while ensuring the safety and stability of the cable heat dissipation system.

[0029] In combination with the above, in one embodiment, Figure 1 As shown, a structural block diagram of a cable cooling system is provided, wherein the cable cooling system 100 includes a liquid cooling system 102 corresponding to a liquid cooling mode, an air cooling system 104 corresponding to an air cooling mode, a detection device 106 and a controller 108.

[0030] Specifically, the detection device 106 is used to obtain the cable operation information of the cable in the current working cycle; the controller 108 is used to determine the target heat dissipation mode of the cable in the current working cycle based on the cable operation information; when the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, determine the heat dissipation sequence that matches the cable operation information; the heat dissipation sequence is used to characterize the activation sequence of the liquid cooling heat dissipation mode and the air cooling heat dissipation mode respectively; based on a state prediction model that matches the historical state information of the cable, predict the operating state of the cable in the next working cycle; adjust the target heat dissipation mode based on the operating state, so as to cool the cable in the next working cycle based on the adjusted target heat dissipation mode. Therefore, the actual operating condition of the cable can be determined based on the cable operation information, and the determined target heat dissipation mode can match the actual operating condition of the cable, which can improve the heat dissipation accuracy; when the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, the heat dissipation efficiency can be improved by combining liquid cooling and air cooling; by adjusting the target heat dissipation mode based on the predicted operating status, the heat dissipation mode of the next working cycle can be adjusted in advance, so that when the next working cycle is reached, the heat dissipation mode cable matching the operating condition of the next working cycle can be used in time to improve the heat dissipation efficiency.

[0031] The cable operation information refers to the relevant parameters during the cable operation process. For example, the cable operation information may include environmental parameters and cable status parameters. Environmental parameters refer to parameters related to the environment in which the cable is located, including but not limited to: ambient temperature, ambient humidity, ambient wind speed, etc. Cable status parameters refer to parameters related to the cable status, including but not limited to: cable temperature and current load in the cable, etc.

[0032] The number of detection time nodes in the current working cycle may be one or more. When the number of detection time nodes is multiple, the cable operation information corresponding to the multiple detection time nodes may be integrated to determine the cable operation information of the cable in the current working cycle. For example, taking the cable operation information including the cable temperature as an example, the average of the cable temperatures corresponding to the multiple detection time nodes may be determined as the cable temperature of the cable in the current working cycle.

[0033] Among them, the number of liquid cooling systems and air cooling systems is not limited, for example, the liquid cooling system and the air cooling system may include one or more than two. In one case, the controller is also used to shut down the coolant pump or start a liquid cooling system different from the currently started liquid cooling system when the currently started liquid cooling system fails to prevent further damage to the cable or equipment. In some cases, an alarm prompt can also be output synchronously, so that the user can perform maintenance or repairs in time through the alarm prompt to ensure the reliability of the cable heat dissipation system under extreme conditions. In other cases, the controller is also used to start a liquid cooling system different from the currently started liquid cooling system when the coolant circulation pipeline is blocked or the coolant pump fails to ensure that the cable temperature will not rise rapidly. Among them, the currently started liquid cooling system may refer to the main liquid cooling system, and the liquid cooling system different from the currently started liquid cooling system may refer to the standby liquid cooling system. When the number of standby liquid cooling systems is multiple, one or more of the multiple standby liquid cooling systems can be randomly started.

[0034] The structure of the liquid cooling system is not limited. In one embodiment, the liquid cooling system may include a coolant, a coolant circulation pipe, a coolant pump, and a radiator connected to the coolant circulation pipe. The coolant pump is used to drive the coolant to circulate in the coolant circulation pipe and maintain the flow rate of the coolant; the coolant circulation pipe is deployed on the surface of the cable, or the distance between the coolant circulation pipe and the cable is less than or equal to the set threshold, and the coolant circulation pipe is used to transfer the heat generated by the cable absorbed by the coolant to the radiator; the radiator is used to release the heat taken away by the coolant to the external environment. Thus, based on the liquid cooling system, the liquid cooling heat dissipation mode is started, so that the coolant flows in the coolant circulation pipe, the radiator transfers the heat from the cable to the external environment, and the cooled coolant enters the coolant circulation pipe again to circulate, so as to form a continuous heat dissipation loop.

[0035] There is no limit to the type of coolant, as long as it can achieve efficient thermal conductivity and stable physical and chemical properties, ensure heat dissipation efficiency under high temperature conditions, and avoid corrosion or impact on the cable and its external structure. The coolant pump transports the coolant to the coolant circulation pipeline. The coolant continuously absorbs the heat generated on the cable surface during the process of flowing through the coolant circulation pipeline. The coolant after absorbing heat enters the radiator, and the radiator releases the heat to the environment through natural convection or fan cooling. The cooled liquid is then re-absorbed by the coolant pump, forming a complete heat absorption cycle to ensure that the cable temperature is always within a safe range.

[0036] For example, the coolant can be a liquid with excellent heat transfer performance, such as water, ethylene glycol mixture, etc. These types of coolants not only have high specific heat capacity, but also have good fluidity and low viscosity, and can quickly absorb and conduct heat. Other coolants with high heat capacity and excellent flow characteristics can also be selected according to the power and working conditions of the cable, such as some special cooling oils. When selecting a coolant, the cooling demand, operating environment (such as climatic conditions) and cost factors can be comprehensively considered, and the high specific heat capacity and good heat transfer performance of the coolant can ensure that it can quickly absorb the heat on the cable surface and transfer it to the radiator.

[0037] The location of the coolant circulation pipeline is not limited, as long as the coolant circulating in the coolant circulation pipeline can absorb the heat from the cable surface. For example, the coolant circulation pipeline can be arranged around the cable and close to the cable surface to maximize the contact area between the coolant and the cable surface, ensuring that the coolant can absorb the heat from the cable to the maximum extent.

[0038] The material of the coolant circulation pipeline is not limited. For example, the coolant circulation pipeline can be made of high thermal conductivity and high temperature resistant materials such as copper or aluminum. Copper and aluminum alloys have excellent thermal conductivity and can quickly transfer the heat generated on the cable surface to the coolant, ensuring that heat can be effectively conducted under high-power operating conditions and preventing material aging caused by overheating. At the same time, the bending radius of the cable and the complex wiring conditions can be considered when designing the coolant circulation pipeline to ensure that the coolant can absorb heat evenly over the entire length.

[0039] The diameter of the coolant circulation pipe can be designed according to the power density and heating conditions of the cable. For example, the diameter of the coolant circulation pipe can be set to 10 mm to 20 mm. A smaller diameter is conducive to increasing the flow rate of the coolant, while a larger diameter increases the surface area of ​​contact between the coolant and the cable, making the heat conduction more uniform.

[0040] For example, Figure 2 As shown, a structural schematic diagram of a cable heat dissipation system is provided, wherein a coolant circulation pipe 2 can be arranged around the cable 1, close to the surface of the cable 1, so that the coolant pump 6 drives the coolant to circulate in the coolant circulation pipe 2, and is used to transfer the heat generated by the cable absorbed by the coolant to the radiator 3, so as to release the heat taken away by the coolant to the external environment through the radiator 3. At the same time, an airflow can be generated based on the fan 4 to take away the heat on the cable surface and in the radiator, further improving the overall heat dissipation capacity. At the same time, the coolant quality detection device 5 can detect the quality of the coolant. For example, when it is detected that the pollutant content in the coolant is too high or the flow is abnormal, a maintenance prompt is output to remind the operator to replace or maintain the coolant.

[0041] In some embodiments, in order to prevent the coolant circulation pipeline from being displaced or loosened during operation, the cable heat dissipation system may also include a clamp or an elastic support structure, which is used to firmly fix the coolant pipeline on the cable surface while adapting to the physical characteristics of the cable's thermal expansion and contraction. Among them, the fixing clamp can be made of high temperature resistant and corrosion resistant materials to ensure that the pipeline can still maintain stability under high temperature and harsh environment; the elastic support structure is used to adapt to the slight deformation of the cable and pipeline under temperature changes, and prevent the gap between the pipeline and the cable from being too large or too tight to affect the heat dissipation effect.

[0042] Among them, the structure of the radiator is not limited. For example, the radiator can be designed with a structure that increases the surface area, such as metal fins and fins; the metal fins can be made of copper or aluminum, which have excellent thermal conductivity and can quickly conduct the heat taken away from the coolant; the fins are designed into a multi-layer structure to increase the surface area of ​​the radiator, thereby improving the heat dissipation efficiency; among them, the radiator has a large surface area, which can quickly diffuse the heat in the coolant. The radiator can be designed in a modular manner. The radiator includes a heat dissipation unit. The heat dissipation unit can be increased or reduced according to the actual needs of the cable heat dissipation system to adapt to cable applications of different scales and powers. The material of the radiator is not limited. For example, the radiator material can be made of metals with good thermal conductivity, such as aluminum, copper, etc. Thus, the radiator is closely connected to the coolant pipeline. Through the conduction of the coolant, the heat on the cable surface can be efficiently transferred to the radiator, and then the air cooling system takes away the heat through air convection. The location of the radiator is not limited. For example, an area with good air circulation can be selected to ensure a more efficient heat dissipation process. In some closed environments, the cable cooling system can also add additional ventilation facilities to improve air mobility and ensure that the radiator can continue to dissipate heat.

[0043] The structure of the air cooling system is not limited. In one embodiment, the air cooling system includes a fan, which is used to generate a forced airflow to directly act on the cable surface or the radiator to remove the heat on the cable surface and the radiator. The distance between the fan and the cable is less than or equal to the distance threshold, or the distance between the fan and the radiator is less than or equal to the distance threshold. Thus, the air cooling system uses air flow to assist the liquid cooling system in heat dissipation to further improve the heat dissipation efficiency.

[0044] Among them, the air cooling system uses high-efficiency fans to enhance air convection to remove heat. The number of fans is unlimited, and the fan speed is adjustable. The fan air duct layout can be reasonably designed to ensure that air can efficiently flow around the cable and radiator, remove the residual heat on the cable surface and the radiator, and further improve the overall heat dissipation capacity. The setting position of the fan is not limited. For example, the setting position of the fan can be reasonably arranged according to the heat distribution of the cable and the structure of the radiator to ensure that the air flow can fully cover all heat dissipation areas of the cable or radiator. It can also be set along the length of the cable according to the specific shape of the cable, or set at multiple angles according to the geometric shape of the cable. The type of fan is not limited. For example, a high-efficiency and low-noise fan can be used to reduce noise pollution during operation and is suitable for long-term continuous work.

[0045] In some cases, the controller is also used to start a new fan when the currently started fan fails or the temperature of the radiator exceeds a threshold value. The power of the new fan is greater than the power of the currently started fan. Therefore, by starting the new fan, the heat on the surface of the radiator and the cable can be urgently removed to avoid damage to the equipment and cables. In some cases, the controller is also used to adjust the switch state and speed of the fan. For example, when the cable temperature rises, the fan speed is increased to enhance air convection; when the temperature drops to a set safety range, the fan speed is reduced or the fan is controlled to stop running, thereby achieving energy saving. For example, when the temperature drops to less than or equal to the first temperature threshold, the fan speed can be reduced or the fan can be controlled to stop running.

[0046] In some cases, the fan speed has a corresponding relationship with the gear position. Therefore, by setting multiple wind speeds (such as low speed, medium speed, high speed, etc.), the air cooling system can maintain a stable airflow even in a low pressure environment to ensure the heat dissipation effect.

[0047] In one embodiment, there is no limitation on the implementation method of determining the target heat dissipation mode of the cable in the current working cycle based on the cable operation information, and several implementation methods are described below as examples.

[0048] In one implementation, the cable operation information includes ambient humidity and cable temperature, and the detection device also includes a humidity sensor and a temperature sensor. The humidity sensor is used to collect the ambient humidity of the cable in the current working cycle, and the temperature sensor is used to collect the cable temperature in the current working cycle.

[0049] There is no limit to the number and location of temperature sensors. For example, multiple temperature sensors can be arranged on the cable surface, radiator and surrounding environment to monitor the cable temperature and ambient temperature in real time, so as to provide a basis for the heat dissipation strategy of the cable heat dissipation system. The location of multiple temperature sensors can also be determined according to the heating characteristics and heat distribution of the cable to ensure that each temperature sensor can capture the most realistic temperature fluctuations. In some cases, when multiple temperature sensors are installed or maintained for the first time, all temperature sensors can be calibrated uniformly to ensure the accuracy of temperature acquisition. The calibration process includes comparing the data of the standard temperature sensor to adjust the deviation.

[0050] Furthermore, the controller is also used to determine the cooling mode that matches the cable temperature and ambient humidity as the target cooling mode of the cable in the current working cycle based on the mapping relationship between the preset temperature range, the preset humidity range and the cooling mode.

[0051] Specifically, from the preset temperature range in the mapping relationship, the preset temperature range of the cable temperature is determined; from the preset humidity range in the mapping relationship, the preset humidity range of the ambient humidity is determined; from the mapping relationship, the heat dissipation mode corresponding to the preset temperature range of the cable temperature and the preset humidity range of the ambient humidity is determined as the target heat dissipation mode of the cable in the current working cycle.

[0052] The specific contents of the preset temperature range, preset humidity range and heat dissipation mode in the mapping relationship are not limited, and several cases are described below with examples.

[0053] In some cases, when the cable temperature is greater than the first temperature threshold and less than or equal to the second temperature threshold, and the ambient humidity is less than the first humidity threshold, the air cooling heat dissipation mode is determined as the target heat dissipation mode of the cable in the current working cycle. The heat dissipation rate of the air cooling system corresponding to the air cooling heat dissipation mode is the first rate. For example, the heat dissipation rate of the air cooling system can be adjusted to match the first rate by adjusting the speed of the fan in the air cooling system. The heat dissipation rate of the air cooling system is positively correlated with the speed of the fan.

[0054] In some cases, when the cable temperature is greater than the second temperature threshold and less than or equal to the third temperature threshold, and the ambient humidity is greater than or equal to the first humidity threshold and less than or equal to the second humidity threshold, when the liquid cooling heat dissipation mode is controlled to be pre-started, the air cooling heat dissipation mode is determined as the target heat dissipation mode of the cable in the current working cycle. The heat dissipation rate of the air cooling system corresponding to the air cooling heat dissipation mode is the second rate, and the second rate is greater than the first rate.

[0055] In some cases, when the cable temperature is greater than the third temperature threshold and less than or equal to the fourth temperature threshold, and the ambient humidity is greater than the second humidity threshold, the liquid cooling mode and the air cooling mode are determined as the target cooling mode of the cable in the current working cycle. The heat dissipation rate of the air cooling system corresponding to the air cooling mode is the third rate, which is greater than the second rate; the heat dissipation rate of the liquid cooling system corresponding to the liquid cooling mode is the fourth rate. For example, the heat dissipation rate of the liquid cooling system can be adjusted to match the fourth rate by adjusting the flow rate and / or flow rate of the coolant in the liquid cooling system. The heat dissipation rate of the liquid cooling system is positively correlated with the flow rate and / or flow rate of the coolant.

[0056] In some embodiments, the liquid cooling system may further include a flow regulator, which is used to adjust the flow rate and / or flow rate of the coolant, that is, the liquid cooling system can adjust the flow rate and / or flow rate of the coolant through the flow regulator to improve the heat dissipation effect. In some cases, when the cable is in a high-load state, the flow rate of the coolant is increased to accelerate the heat dissipation; when the cable is in a low-load state, the flow rate of the coolant is reduced to save energy. In some cases, when the cable is in a high-load state, the working intensity of the liquid cooling system and the air cooling system is increased to increase the heat dissipation rate; when the cable is in a low-load state, the working intensity of the liquid cooling system and the air cooling system is reduced to reduce energy consumption and achieve efficient energy consumption management.

[0057] Among them, the above is to comprehensively determine the target heat dissipation mode in combination with the ambient humidity and the cable temperature. In other cases, the target heat dissipation mode can be determined in combination with the cable temperature. Specifically, when the cable temperature is greater than the fourth temperature threshold, the liquid cooling heat dissipation mode and the air cooling heat dissipation mode are determined as the target heat dissipation mode of the cable in the current working cycle. Among them, the heat dissipation rate of the air cooling system corresponding to the air cooling heat dissipation mode is the first maximum heat dissipation rate, which is greater than the third rate; the heat dissipation rate of the liquid cooling system corresponding to the liquid cooling heat dissipation mode is the second maximum heat dissipation rate, which is greater than the fourth rate.

[0058] Among them, the specific values ​​of the first temperature threshold to the fourth temperature threshold, and the specific values ​​of the first humidity threshold and the second temperature threshold can be set according to the actual application scenario, and this embodiment does not limit it.

[0059] For example, taking the first temperature threshold as 80°C, the second temperature threshold as 90°C, the third temperature threshold as 100°C, the fourth temperature threshold as 110°C, the first humidity threshold as 60°C, and the second humidity threshold as 70°C as an example, as shown in Table 1, a schematic diagram of a mapping relationship between a preset temperature range, a preset humidity range, and a heat dissipation mode is provided, wherein:

[0060]

[0061] Combined with Table 1, when the cable temperature is at (80°C, 90°C] and the ambient humidity is less than 60%, the fan in the air cooling system can be controlled to run at a low speed so that the heat dissipation rate of the air cooling mode matches the first rate, and the liquid cooling system is controlled. Thus, by controlling the cable heat dissipation system to run in energy-saving mode, energy consumption can be reduced.

[0062] When the cable temperature is (90°C, 100°C] and the ambient humidity is [60%, 70%], the fan in the air cooling system is controlled to run at a medium speed so that the heat dissipation rate of the air cooling mode matches the second rate, and the liquid cooling system is controlled to pre-start. At the same time, the temperature change is monitored to ensure that the liquid cooling system can dissipate heat for the cable in time when the cable temperature shows an upward trend to prevent the temperature from continuing to rise.

[0063] When the cable temperature is at (100°C, 110°C] and the ambient humidity is greater than 70%, the fan in the air cooling system is controlled to run at a medium speed so that the heat dissipation rate of the air cooling mode matches the third rate, and the coolant in the liquid cooling system is controlled to flow at a high flow rate so that the heat dissipation rate of the liquid cooling mode matches the fourth rate. Thus, by controlling the coordinated operation of air cooling and liquid cooling, the cable temperature is prevented from exceeding the safety threshold.

[0064] When the cable temperature is greater than 110°C, that is, when the cable temperature exceeds the safety threshold (such as 100°C), the emergency cooling mode is started, the air cooling system is controlled to operate at the first maximum cooling rate, and the liquid cooling system is controlled to operate at the second maximum cooling rate, and a high temperature alarm is issued to prevent cable failure and remind operators to make necessary operational adjustments or maintenance.

[0065] It should be understood that in the case of high humidity, water vapor may condense on the surface of the cable or radiator, affecting the heat dissipation efficiency. Therefore, through real-time monitoring of the humidity sensor, the system can determine the change in environmental humidity. For example, when the humidity is high, the water vapor content in the air increases, which may cause water vapor condensation on the surface of the cable or the radiator, thereby affecting the heat dissipation efficiency. The heat dissipation rate of the air cooling system can be increased, and the water vapor on the surface of the radiator can be removed by air cooling to prevent the heat dissipation efficiency from decreasing due to water vapor condensation. That is, when the humidity is high, the air cooling system helps evaporate the water vapor on the surface of the cable and the radiator by increasing the air flow, thereby maintaining high heat dissipation efficiency and preventing moisture from affecting the heat dissipation efficiency. For example, the air flow can be made more concentrated and powerful by increasing the fan speed or adding more fans to enhance the heat exchange between the radiator surface and the air, accelerate the air flow, help remove the water vapor on the radiator surface or the cable surface, and reduce the possibility of moisture retention and condensation.

[0066] The above is based on the mapping relationship between the preset temperature range, the preset humidity range and the heat dissipation mode to determine the target heat dissipation mode of the cable in the current working cycle. In another implementation, the cable operation information includes the cable temperature, and the controller is also used to determine the target heat dissipation mode of the cable in the current working cycle based on the mapping relationship between the cable temperature and the heat dissipation mode. For example, when the cable temperature is within the first preset range, the liquid cooling heat dissipation mode and the air cooling heat dissipation mode are determined as the target heat dissipation mode of the cable in the current working cycle; when the cable temperature is within the second preset range, the liquid cooling heat dissipation mode is determined as the target heat dissipation mode of the cable in the current working cycle. Among them, the difference between the lower limit value of the first preset range and the upper limit value of the second preset range is greater than or equal to the difference threshold.

[0067] In one embodiment, the controller is further configured to: when the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, if the ambient humidity is greater than or equal to a first humidity threshold and less than or equal to a second humidity threshold, determine that the activation order of the air cooling heat dissipation mode is higher than the activation order of the liquid cooling heat dissipation mode. That is, the air cooling heat dissipation mode is operated first, and then the liquid cooling heat dissipation mode is operated.

[0068] Furthermore, when the air cooling mode is used to dissipate heat for the cable, if the air cooling system cannot effectively reduce the cable temperature, the liquid cooling system can be started to run the liquid cooling mode. Specifically, in one embodiment, when the current working cycle is running in the air cooling mode for a preset time, if the temperature difference between the re-detected cable temperature and the cable temperature of the current working cycle is less than or equal to the temperature difference threshold, the liquid cooling system is controlled to start. In some cases, the flow rate and / or flow of the coolant in the liquid cooling system can be gradually increased to prevent the risk of condensation and increase the heat dissipation rate of the cable.

[0069] In one embodiment, the cable cooling system may further include an airflow optimization device, the airflow optimization device including a deflector, the deflector being used to optimize the airflow path of the airflow guide to improve the heat dissipation effect of the air cooling system. Furthermore, in some cases, the airflow guide may be used to adjust the airflow path so that in high altitude or low pressure environments, the air in the environment may flow through the radiator more effectively, thereby improving the heat dissipation efficiency of the liquid cooling system. In other cases, the structural design of the airflow guide may be optimized to ensure that the air generated by the fan can be evenly distributed to various parts of the radiator to avoid airflow concentration in a certain part, thereby improving the overall heat dissipation efficiency.

[0070] Among them, the airflow guide can evenly distribute the airflow entering the cable cooling system to the cable surface and the radiator, avoiding the airflow being concentrated in a certain part, resulting in uneven local cooling. Among them, the benefits of setting up the airflow guide area are: first, by adjusting the airflow direction, the airflow dead angle that may appear on the cable surface or around the radiator can be reduced, ensuring that the cable or the radiator can be effectively cooled; second, it can ensure that the airflow output by the fan in the air cooling system maintains a stable wind speed and direction after passing through the airflow guide, thereby improving the cooling effect of the air cooling system; third, the hot air generated during the cable cooling process can be quickly discharged from the cable cooling system, preventing the hot air from being trapped on the cable surface or around the radiator, affecting the cooling effect; fourth, it can prevent the hot air from flowing back to the cooling area, ensuring that the air entering the cable cooling system maintains a relatively low temperature.

[0071] The structure of the airflow guide is not limited. For example, the airflow guide can be designed to be streamlined to improve air circulation efficiency by reducing turbulence and resistance of the airflow inside the cable cooling system. In some cases, when there are multiple fans in the air cooling system, the angle and shape of the airflow guide can be adjusted according to the layout and installation position of the multiple fans to ensure that the airflow paths do not interfere with each other when the multiple fans work together.

[0072] In one embodiment, the cable cooling system may further include a flow meter, a pressure sensor and a coolant quality detection device, wherein the flow meter is used to measure the flow rate of the coolant; the pressure sensor is used to detect the pressure in the coolant circulation pipeline; and the coolant quality detection device is used to check the quality of the coolant.

[0073] In some cases, when the contaminant content of the coolant is too high, or the coolant flow rate is higher than the upper flow limit or lower than the lower flow limit, or impurities appear in the coolant, or the concentration of the coolant does not match the standard concentration, or the usage time of the coolant exceeds the time threshold, the cable cooling system outputs a maintenance prompt to remind the operator to replace or maintain the coolant to ensure that the coolant is always in the best condition and avoid reduced heat dissipation efficiency or pipe blockage due to coolant deterioration.

[0074] In some embodiments, if the pressure is outside the preset pressure range, the flow rate and / or flow rate of the coolant is adjusted so that the pressure in the coolant circulation pipeline is within the preset pressure range, thereby maintaining a stable pressure level and avoiding damage to the pipeline due to excessive or low pressure.

[0075] In order to avoid excessive pressure or air accumulation inside the coolant circulation pipeline, an automatic exhaust and pressure relief function can be configured to keep the pressure inside the coolant circulation pipeline within the preset pressure range and prevent bubbles from being generated in the pipeline to affect the heat dissipation efficiency.

[0076] In one embodiment, the cable cooling system may further include an automatic exhaust valve and a pressure relief valve. The automatic exhaust valve may be installed at a high point of the coolant circulation pipeline so that bubbles generated during the operation of the liquid cooling system can be automatically discharged to prevent gas accumulation in the pipeline, resulting in reduced flow or uneven cooling. When the pressure in the coolant circulation pipeline exceeds the upper limit of the preset pressure range, the pressure relief valve is controlled to open to release the excessive pressure to prevent the pipeline or coolant pump from being damaged due to excessive pressure.

[0077] In some embodiments, when the flow rate of the coolant is higher than an upper flow rate limit or lower than a lower flow rate limit, the pump speed of the coolant pump is adjusted so that the coolant is within a preset liquid range.

[0078] In some cases, when the pressure in the coolant circulation pipeline is abnormal, or the quality of the coolant is below the quality threshold, or the fan of the air cooling system fails, the cable cooling system automatically issues an alarm to remind the operator to perform maintenance, or the cable cooling system initiates protective measures, such as reducing the cable load or cutting off the power supply, to prevent further damage.

[0079] In some cases, when the coolant flow rate is higher than the upper flow limit or lower than the lower flow limit, or when the pressure in the coolant circulation pipeline is abnormal, if the coolant flow rate is still not within the preset liquid range after adjusting the pump speed or the fan speed, or the pressure in the coolant circulation pipeline is still not within the preset pressure range, an alarm signal is output and an emergency cooling mechanism is activated, that is, a liquid cooling system different from the currently activated liquid cooling system is activated, or an air cooling system different from the currently activated air cooling system is activated.

[0080] In one embodiment, the cable heat dissipation system may also include a coolant temperature detection device, a heating device, and a cooling device. The coolant temperature detection device is used to detect the temperature of the coolant; the heating device is used to heat the coolant to a first preset temperature when the temperature of the coolant is less than a first set threshold; the cooling device is used to heat the coolant to a second preset temperature when the temperature of the coolant is greater than a second set threshold; the first preset temperature and the second preset temperature may be the same or different, and the first preset temperature and the second preset temperature are within the preset use range of the coolant. Thus, by setting the heating device and the cooling device, it is possible to ensure that the coolant is used within the optimal temperature range, thereby improving the use effect of the coolant.

[0081] It should be understood that the radiator and fan are prone to accumulate dust and particles after long-term operation, affecting the heat dissipation performance. Therefore, automatic cleaning equipment can be equipped to regularly remove dust on the surface of the radiator and debris on the fan blades to maintain the efficient operation of the cable cooling system.

[0082] Specifically, in one embodiment, the cable cooling system may further include an automatic cleaning device, which includes a first filter corresponding to the radiator, a second filter corresponding to the fan, and a cleaning device; the cleaning device is used to start the first filter and the second filter, the first filter is installed on the radiator, and is used to regularly clean the dust and dirt on the radiator; the second filter is installed on the fan, and is used to regularly clean the dust and dirt on the fan. The number of the second filters is the same as the number of the fans.

[0083] In one embodiment, based on a state prediction model that matches historical state information of the cable, there is no limitation on the implementation method of predicting the operating state of the cable in the next working cycle, and several of the methods are described below as examples.

[0084] In one implementation, the controller is further configured to analyze the cable operation information of the cable in the current working cycle based on a state prediction model matching the historical state information corresponding to the cable, and predict the operation state of the cable in the next working cycle; the historical state information includes the historical operation information in the historical working cycle, and the state prediction model is trained based on the historical operation information. Therefore, the operation state of the cable in the next working cycle represents the cable operation information of the cable in the next working cycle.

[0085] There is no limit to the way of training a state prediction model based on historical operation information within a historical working cycle. For example, the historical cable temperature in the historical operation information can be analyzed based on a time series analysis method to obtain a temperature prediction model. Alternatively, a deep learning method, such as a long short-term memory network (LSTM), can be used to capture the long-term dependency and nonlinear relationship of temperature changes between historical cable temperatures to obtain a temperature prediction model. At the same time, a random forest model can be used to perform regression prediction on multi-dimensional features (such as current load, current, humidity, etc.) to obtain a regression prediction model. Based on the temperature prediction model and the regression prediction model, a state prediction model can be obtained.

[0086] For example, Table 2 provides historical operation information of a cable, and the historical operation information includes multiple historical operation parameters and the collection time corresponding to each historical operation parameter; based on the historical operation information of the cable shown in Table 2, a state prediction model can be trained, so that when the cable operation information of the cable in the current working cycle is input into the state prediction model, the cable operation information of the cable in the next working cycle as shown in Table 3 can be predicted, where:

[0087]

[0088]

[0089] Based on the cable operation information of the cable in the next working cycle predicted in Table 3, it can be known that at 15:00, the cable temperature may reach 102°C, exceeding the safety threshold (such as 100°C), and the humidity is 70%, which poses a risk of condensation. It is analyzed that if the cable temperature continues to rise and the humidity is high, condensed water may accumulate on the surface of the pipe or cable of the liquid cooling system, affecting the insulation performance. Therefore, in some cases, when the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, the heat dissipation rate of the air cooling system can be adjusted to match the third rate to increase air circulation and evaporate condensed water, and at the same time, the heat dissipation rate of the liquid cooling system can be adjusted to match the fourth rate. In other cases, when the target heat dissipation mode includes an air cooling heat dissipation mode, the heat dissipation rate of the air cooling system can be adjusted to match the third rate to increase air circulation and evaporate condensed water, and at the same time, the liquid cooling system is started to run the liquid cooling heat dissipation mode and the heat dissipation rate of the liquid cooling system is adjusted to match the fourth rate.

[0090] Furthermore, in one embodiment, when the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, if it is detected that the cable temperature drops below an adjustment threshold within a set time period, the flow rate of the coolant in the liquid cooling system is gradually reduced until the liquid cooling system stops running, and the heat dissipation rate of the air cooling system is controlled to remain consistent with the second rate.

[0091] Among them, the adjustment threshold can be 90°C or other values. For example, taking the adjustment threshold as 90°C as an example, if the cable temperature drops below 90°C within 30 minutes, the flow rate of the coolant in the liquid cooling system is gradually reduced to keep the air cooling system running at the second rate.

[0092] In one embodiment, when the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, if it is detected that the cable temperature shows an upward trend within a set time period, the liquid cooling mode and the air cooling mode continue to operate.

[0093] The above is to predict the operation state of the cable in the next working cycle when the state prediction model is trained based on historical operation information. In another implementation, the cable operation information includes environmental parameters. The controller is also used to analyze the environmental parameters and energy consumption of the cable in the current working cycle based on the state prediction model matching the historical state information corresponding to the cable, and predict the operation state of the cable in the next working cycle. Among them, the historical state information includes the historical energy consumption in the historical working cycle and the historical environmental parameters corresponding to the historical energy consumption. The state prediction model is trained based on the historical energy consumption and the historical environmental parameters. Then, the operation state of the cable in the next working cycle represents the energy consumption and environmental parameters of the cable in the next working cycle.

[0094] Specifically, a machine learning algorithm is used to statistically analyze the historical energy consumption data and the corresponding historical environmental parameters in different historical working cycles, and a state prediction model is trained; the environmental parameters and energy consumption of the cable in the current working cycle are input into the state prediction model, and the energy consumption and environmental parameters of the cable in the next working cycle can be predicted. For example, when it is predicted that the environmental conditions represented by the environmental parameters are relatively moderate and the energy consumption is low, the workload of the liquid cooling system can be reduced, for example, the flow rate of the coolant in the liquid cooling system can be reduced, and the air cooling system can be kept running at the first rate, thereby ensuring the heat dissipation efficiency while minimizing energy consumption and avoiding energy waste.

[0095] It should be understood that by recording the energy consumption data in different working cycles, it is possible to identify which equipment in the cable cooling system has higher energy consumption and which equipment has lower operating efficiency under different environmental conditions (such as temperature, humidity, air pressure, etc.), that is, by analyzing the relationship between factors such as temperature change, environmental humidity, air pressure and energy consumption, it is possible to understand which environmental conditions will lead to higher energy consumption, such as high temperature, high humidity and low air pressure conditions, the efficiency of the air cooling system is lower, and the burden of the liquid cooling system is heavier. Therefore, by performing pattern recognition on historical energy consumption data, the energy consumption law under different environmental parameters can be found. For example, under certain environmental conditions, such as when the temperature is low, the pump speed of the liquid cooling system can be reduced, and the speed of the fan in the air cooling system can be reduced, and the energy consumption is relatively reduced; while under other conditions, such as when the temperature is high, the pump speed in the liquid cooling system is increased or the flow rate of the coolant is increased to enhance heat dissipation, and when the humidity is high, the speed of the fan in the air cooling system is increased to accelerate heat dissipation, but it will lead to increased energy consumption. Therefore, when the state prediction model is trained based on the energy consumption law under the above different environmental parameters, the environmental parameters and energy consumption of the next working cycle can be predicted based on the state prediction model.

[0096] It should be understood that the purpose of intelligent energy consumption analysis is to reduce energy consumption as much as possible while ensuring stable heat dissipation of the cable cooling system. Therefore, the energy consumption of each device in the cable cooling system is accurately monitored and adjusted to optimize the use of resources.

[0097] In some cases, the energy consumption of the cable during the historical working cycle comes from at least one of the following devices, specifically: fans in air cooling systems, coolant pumps in liquid cooling systems, heating equipment and cooling equipment, radiators, air flow guides, radiator surface adjustment devices, detection equipment, etc.

[0098] Among them, the fan plays a core role in the entire heat dissipation process, and its speed directly affects the air flow and heat dissipation efficiency. The fan has different energy consumption at different speeds. The higher the speed, the greater the energy consumption. Therefore, the energy consumption of the air cooling system is closely related to the fan speed and working time.

[0099] Among them, the liquid cooling system circulates the coolant between the radiator and the cable through the coolant pump. The working efficiency, flow rate and working time of the coolant pump determine the energy consumption of the liquid cooling system. Therefore, the power of the coolant pump is closely related to the liquid flow rate and flow rate and the energy consumption of the liquid cooling system.

[0100] Among them, the heating device and the cooling device are used to adjust the temperature of the coolant. When the temperature is too high, the cooling device lowers the temperature of the coolant. When the temperature is too low, the heating device heats the temperature of the coolant. Therefore, the energy consumption of the heating device and the cooling device depends on the working frequency and duration.

[0101] Among them, airflow guides and radiator surface adjustment devices are used to improve air cooling efficiency and help the airflow cover the radiator surface more evenly. Although the energy consumption of these devices is relatively low, they still have an impact on the overall energy consumption. The detection equipment collects cable temperature, ambient humidity, ambient air pressure, etc. in real time. Although the direct energy consumption of the detection equipment is small, it still has an impact on the overall energy consumption.

[0102] In some embodiments, the controller is also used to predict the environmental parameters of the next working cycle based on the weather forecast; adjust the environmental parameters predicted by the state prediction model based on the environmental parameters predicted by the weather forecast, and then adjust the target cooling mode based on the adjusted environmental parameters.

[0103] The above describes the relevant contents of predicting the operation state of the cable in the next working cycle. When the operation state represents the operation information of the cable, and the operation information of the cable includes the cable temperature, in one embodiment, the controller is also used to determine the temperature trend between the cable temperature corresponding to the operation state and the cable temperature of the current working cycle; when the temperature trend shows an upward trend, the heat dissipation rate of the liquid cooling system and the air cooling system is increased; when the temperature trend shows a downward trend, the liquid cooling system is controlled to stop running. Therefore, when the liquid cooling system and the air cooling system are combined to dissipate heat for the cable, the heat dissipation rate can be adjusted in real time based on the actual heat dissipation situation, thereby improving the heat dissipation effect of the cable.

[0104] The above is the content related to adjusting the heat dissipation rate in combination with the temperature trend when the target heat dissipation mode includes the liquid cooling mode and the air cooling mode. In another embodiment, when the target heat dissipation mode includes the liquid cooling mode, if the temperature trend shows a downward trend, the heat dissipation rate of the liquid cooling system is reduced; when the target heat dissipation mode includes the liquid cooling mode, if the temperature trend shows an upward trend, the air cooling system is controlled to start and the heat dissipation rate of the liquid cooling system is increased. Thus, the heat dissipation mode and heat dissipation rate can be adjusted in real time based on the actual heat dissipation situation, thereby improving the heat dissipation effect on the cable.

[0105] In one embodiment, the cable operation information includes the altitude and the ambient air pressure, and the detection device may include an environmental sensor, which is used to obtain the ambient air pressure and altitude of the cable in the current working cycle. The type of the environmental sensor is not limited, for example, the environmental sensor may include an air pressure sensor, which is used to detect the ambient air pressure of the cable in the current working cycle, and then the altitude can be calculated based on the ambient air pressure.

[0106] Specifically, the controller is also used to control the liquid cooling system to increase the flow rate and / or flow rate of the coolant, and control the air cooling system to increase the speed and / or power of the fan, when the target cooling mode includes a liquid cooling mode and an air cooling mode, if the ambient air pressure is less than a pressure threshold or the altitude is greater than a height threshold, so as to improve the cooling efficiency of the air cooling mode and the liquid cooling mode.

[0107] It should be understood that in high altitude or low pressure environments, the atmospheric pressure decreases, which leads to a decrease in air density, resulting in a decrease in the heat dissipation efficiency of the air cooling system and the liquid cooling system. Therefore, the air flow rate is increased by increasing the fan speed and / or power to adapt to the pressure change, compensate for the effect of reduced air flow in the air cooling system caused by the high altitude or low pressure environment, ensure that the air cooling system can provide sufficient airflow for heat dissipation, thereby maintaining heat dissipation efficiency, and ensure that sufficient air flows through the radiator of the liquid cooling system to enhance the cooling effect; at the same time, the heat dissipation rate of the liquid cooling system is increased by increasing the flow rate and / or flow rate of the coolant. Similarly, in an environment with higher air pressure, the fan speed or power can be reduced to achieve energy saving.

[0108] The above is to increase the heat dissipation rate of the liquid cooling system by increasing the flow rate and / or flow rate of the coolant. In other embodiments, the heat dissipation rate of the liquid cooling system can also be increased by increasing the surface area of ​​the radiator. It should be understood that in a low-pressure environment, the thermal conductivity of the air decreases. By increasing the surface area of ​​the radiator (for example, by using larger heat sinks or more complex structures), more surface area can be provided for heat exchange with the air, compensating for the decrease in heat dissipation effect caused by the decrease in air density.

[0109] In other embodiments, the heat dissipation rate of the liquid cooling system can be improved by optimizing the shape of the radiator. The shape of the radiator can be optimized according to the change of air pressure, for example, by designing a more suitable fin layout to increase the airflow channel, avoid uneven airflow distribution, and ensure that the airflow can pass through the radiator surface evenly.

[0110] In one embodiment, the cable cooling system may further include a thermal imaging camera, which is used to monitor the heat distribution of the cable and the cable cooling system in real time, and help quickly locate hot spots and potential faults. The thermal imaging camera can capture the thermal distribution map of the cable and the cable cooling system surface, generate real-time thermal imaging data, and transmit the real-time thermal imaging data to the controller, thereby realizing the precise location of hot spots and potential faults.

[0111] In order to comprehensively monitor the heat distribution of cables and cable cooling systems, multiple thermal imaging cameras can be configured. For example, for long-distance high-voltage cables, a thermal imaging camera can be set at a set distance (such as 10 meters to 20 meters).

[0112] In some embodiments, multiple thermal imaging cameras are used to detect thermal radiation from the cable surface to generate a thermal image; the controller is also used to increase the heat dissipation rate of the liquid cooling system and / or air cooling system when a hot spot location is detected based on the thermal image.

[0113] Specifically, the thermal imaging camera detects the thermal radiation on the cable surface and the cable cooling system surface through an infrared sensor to generate a high-resolution thermal image. Each frame of the thermal image contains the temperature information of different positions on the cable surface, and different temperature gradients can be identified by color; the thermal image is converted into a digital temperature matrix to record the temperature value of each position; for the temperature value of each position, if the temperature value is greater than the thermal imaging temperature threshold, the position corresponding to the temperature value is determined to be the hot spot position; multiple hot spot positions are counted to determine the abnormal heat distribution area; if the temperature value corresponding to an area in the heat distribution area is higher than the temperature value of the adjacent area and cannot be explained by load changes, it may indicate the existence of potential faults, such as insulation aging, coolant leakage, fan failure, etc., or, monitor the temperature change trend of multiple hot spot positions. If the temperature change trend shows an upward trend, it means that the heat dissipation effect is not good, which indicates that there may be a fault.

[0114] Specifically, the machine learning model can be trained with historical thermal imaging data, and the real-time thermal imaging data can be analyzed based on the trained machine learning model to determine the abnormal temperature areas and normal temperature areas; if the abnormal temperature areas cannot be explained by load changes, it may indicate potential faults, such as insulation aging, coolant leakage, fan failure, etc.

[0115] In some embodiments, the hot spot locations and corresponding temperature values ​​may be marked on the thermal image to accurately locate specific areas of the cable or heat dissipation components.

[0116] It should be understood that in order to simplify the management and maintenance of the cable cooling system, a remote monitoring function can be configured. Through a cloud platform or a dedicated monitoring system, operators can view the working status, temperature data and environmental monitoring data of the cable and cooling system in real time, and can manually adjust the working parameters of the cable cooling system (such as fan speed, coolant flow, etc.) as needed for maintenance.

[0117] In one embodiment, the cable cooling system is communicatively connected to a human machine interface (HMI) or a remote monitoring system, and real-time alerts can be sent to operation and maintenance personnel through the HMI or the remote monitoring system, with a heat map and detailed information of the hotspot location.

[0118] In some embodiments, the data collected by the detection equipment can be uploaded to a remote server, so that the user can monitor the operating status of the cable cooling system in real time through a dedicated monitoring platform, so as to reduce the complexity of on-site operations by remotely adjusting the working parameters of the cable cooling system or sending maintenance instructions.

[0119] In one case, the remote monitoring system can automatically record historical temperature data, coolant status, and fan operation records to provide data support for fault diagnosis.

[0120] In some cases, the controller is also used to send early warning notifications to preset monitoring devices or user terminals when abnormal parameters such as temperature, flow, and pressure are detected, ensuring that users can take timely measures.

[0121] In one embodiment, the cable heat dissipation system may also include a fire detector and a risk automatic fire extinguishing system. The fire detector is used to detect concentration parameters such as smoke concentration and gas concentration; the automatic fire extinguishing system is used to start fire extinguishing when it is determined that there is a fire risk based on the concentration parameters to improve the safety of the system. Among them, the gas concentration includes but is not limited to gas concentration, oxygen concentration, etc.

[0122] In order to improve the adaptability of the cable heat dissipation system under different environmental conditions, such as high humidity, high temperature, high dust and other harsh environments, environmental adaptability protection measures can be added. Specifically, in one embodiment, the cable heat dissipation system can also include a waterproof and dustproof housing, and the radiator, fan, coolant pump and other devices can be encapsulated in the waterproof and dustproof housing to ensure that these devices can still operate normally in a humid or dusty environment.

[0123] In combination with the above, in one embodiment, Figure 3 As shown, a cable heat dissipation method is provided, which is applied to Figure 1 The controller 108 in the embodiment is taken as an example to illustrate, and the following steps are included:

[0124] S302, obtaining the cable operation information of the cable in the current working cycle.

[0125] S304: Determine a target heat dissipation mode of the cable in a current working cycle based on the cable operation information.

[0126] S306: When the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, determine a heat dissipation sequence that matches the cable operation information.

[0127] S308, when the target heat dissipation mode is operated in the heat dissipation sequence in the current working cycle, based on the state prediction model matched with the historical state information of the cable, predicting the operating state of the cable in the next working cycle.

[0128] S310, adjusting the target heat dissipation mode based on the operating state, so as to dissipate heat for the cable in the next working cycle based on the adjusted target heat dissipation mode.

[0129] Among them, the specific content of S302-S310 can be adapted to the description of the above content and will not be repeated here.

[0130] based on Figure 3 The content shown can determine the actual operating condition of the cable based on the cable operation information, and then the determined target heat dissipation mode matches the actual operating condition of the cable, which can improve the heat dissipation accuracy; when the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, the heat dissipation efficiency can be improved by combining liquid cooling and air cooling; by adjusting the target heat dissipation mode based on the predicted operating status, the heat dissipation mode of the next working cycle can be adjusted in advance, so that when the next working cycle is reached, the heat dissipation mode cable matching the operating condition of the next working cycle can be used in time to improve the heat dissipation efficiency.

[0131] Combined with the above content, it can be seen that cables will generate a lot of heat during high-power transmission. With the continuous increase in the power of power equipment, traditional natural air cooling and forced air cooling methods can no longer meet the needs of modern cable heat dissipation, especially under complex environmental conditions and large load fluctuations. Excessive heat accumulation will accelerate the aging of the cable insulation layer and even cause serious safety hazards such as fire or equipment damage. Although liquid cooling technology has achieved remarkable results in high-power electronic equipment, it still has problems such as complex structure, high installation and maintenance costs in cable applications.

[0132] Based on the above considerations, the present application provides an integrated liquid cooling and air cooling composite cooling system for cable heat dissipation under high-load operating conditions. By utilizing the efficient heat transfer capability of liquid cooling and the rapid heat dissipation characteristics of air cooling, the surface temperature of the cable can be effectively reduced during operation, preventing equipment failure and damage caused by excessive temperature, and solving the problem of heat accumulation generated by high-voltage cables and other high-power electrical equipment during operation. By automatically optimizing the heat dissipation performance, the cable can operate stably for a long time in a complex environment, while reducing energy consumption and maintenance costs, and extending the service life of the cable, especially the overheating of the cable under continuous high-load conditions, which can improve the safety and stability of the equipment.

[0133] Compared with the traditional single heat dissipation method (such as using liquid cooling or air cooling alone), the present application has a number of significant advantages, specifically: high heat dissipation efficiency: the collaborative work of liquid cooling and air cooling allows heat to be extracted and dissipated more quickly, avoiding the efficiency bottleneck caused by a single heat dissipation method, and is particularly suitable for the heat dissipation needs of cables running for a long time and at high loads; significant energy-saving effect: through intelligent control, the heat dissipation mode can be flexibly switched under different temperature conditions of the cable, which can not only quickly respond to temperature rise, but also reduce system power consumption when the temperature drops, achieving high efficiency and energy saving; strong adaptability: the system is not only suitable for conventional environments, but also can maintain stable heat dissipation performance under high temperature, high humidity or other complex industrial environments, ensuring the normal operation of cables and equipment; high safety and reliability: the system's automatic temperature control mechanism can avoid damage or fire risks caused by excessive temperature to the cable, greatly improving the safety and reliability of cable operation, and extending the service life of the equipment. Therefore, the cable heat dissipation system provided by the present application is widely applicable to high-voltage cables, ultra-high-voltage cables, data center cables, large substations, power transmission equipment and other power equipment that require efficient heat dissipation. In these high-power, high-load application scenarios, heat dissipation issues are always a key factor affecting equipment safety and efficiency. The cable heat dissipation system provided by the present application can effectively solve the problem of cable failure caused by overheating during long-term operation, and can further improve the overall stability and operation efficiency of the power system, which has extremely high industrial application value. Moreover, the design of the cable heat dissipation system of the present application has a modular structure, which allows flexible configuration and expansion according to different cable types, power requirements and working environments.

[0134] It should be understood that, although the various steps in the flowcharts involved in the above-mentioned embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above-mentioned embodiments can include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0135] Based on the same inventive concept, the embodiment of the present application also provides a cable heat dissipation device for implementing the cable heat dissipation method involved above. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the above method, so the specific limitations in one or more cable heat dissipation device embodiments provided below can refer to the limitations of the cable heat dissipation method above, and will not be repeated here.

[0136] In one embodiment, Figure 4 As shown, a cable heat dissipation device is provided, including: an acquisition module 402, a processing module 404, a determination module 406, a prediction module 408 and an adjustment module 410, wherein:

[0137] The acquisition module 402 is used to obtain the cable operation information of the cable in the current working cycle; the processing module 404 is used to determine the target heat dissipation mode of the cable in the current working cycle based on the cable operation information; the determination module 406 is used to determine the heat dissipation sequence that matches the cable operation information when the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode; the prediction module 408 is used to predict the operating state of the cable in the next working cycle based on a state prediction model that matches the historical state information of the cable when the target heat dissipation mode is operated in the heat dissipation sequence in the current working cycle; the adjustment module 410 is used to adjust the target heat dissipation mode based on the operating state, so as to dissipate the heat of the cable in the next working cycle based on the adjusted target heat dissipation mode.

[0138] Each module in the above cable heat dissipation device can be implemented in whole or in part by software, hardware or a combination thereof. Each module can be embedded in or independent of a processor in a computer device in the form of hardware, or can be stored in a memory in a computer device in the form of software, so that the processor can call and execute operations corresponding to each module.

[0139] In one embodiment, a computer device is provided. The computer device may be a controller in a cable cooling system. The internal structure diagram thereof may be as shown in FIG. Figure 5 As shown. The computer device includes a processor, a memory and a network interface connected through a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store cable operation information. The network interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a cable heat dissipation method is implemented.

[0140] Those skilled in the art will understand that Figure 5 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0141] In one embodiment, a computer device is further provided, including a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the steps in the above method embodiments when executing the computer program.

[0142] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the steps in the above-mentioned method embodiments are implemented.

[0143] In one embodiment, a computer program product is provided, including a computer program, which implements the steps in the above method embodiments when executed by a processor.

[0144] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, stored data, displayed data, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties.

[0145] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetoresistive random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. Non-relational databases may include distributed databases based on blockchains, etc., but are not limited to this. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, etc., but are not limited to this.

[0146] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0147] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A cable heat dissipation system, characterized in that: The cable heat dissipation system includes a liquid cooling system corresponding to the liquid cooling heat dissipation mode, an air cooling system corresponding to the air cooling heat dissipation mode, a detection device and a controller; The detection device is used to obtain the cable operation information of the cable in the current working cycle; The controller is used to determine a target heat dissipation mode of the cable in a current working cycle based on the cable operation information; In the case where the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, determining a heat dissipation sequence that matches the cable operation information; the heat dissipation sequence is used to characterize the activation sequence of the liquid cooling mode and the air cooling mode; in the case where the target heat dissipation mode is operated in the heat dissipation sequence in the current working cycle, based on a state prediction model that matches the historical state information of the cable, predicting the operating state of the cable in the next working cycle; The target heat dissipation mode is adjusted based on the operating state, so as to dissipate heat for the cable in a next working cycle based on the adjusted target heat dissipation mode.

2. The system according to claim 1, characterized in that The detection equipment includes a humidity sensor and a temperature sensor; The humidity sensor is used to collect the ambient humidity of the cable in the current working cycle; The temperature sensor is used to collect the cable temperature in the current working cycle of the cable; The controller is also used to determine the heat dissipation mode that matches the cable temperature and the ambient humidity as the target heat dissipation mode of the cable in the current working cycle based on the mapping relationship between the preset temperature range, the preset humidity range and the heat dissipation mode.

3. The system according to claim 2, characterized in that The controller is further configured to: In a case where the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, if the ambient humidity is greater than or equal to a first humidity threshold and less than or equal to a second humidity threshold, determining that the activation order of the air cooling heat dissipation mode is higher than the activation order of the liquid cooling heat dissipation mode; When the current working cycle runs in the air cooling mode for a preset time, if the temperature difference between the re-detected cable temperature and the cable temperature of the current working cycle is less than or equal to the temperature difference threshold, the liquid cooling system is controlled to start.

4. The system according to claim 1, characterized in that The controller is further configured to perform any of the following: Item 1: Based on a state prediction model matching the historical state information corresponding to the cable, the cable operation information of the cable in the current working cycle is analyzed to predict the operation state of the cable in the next working cycle; the historical state information includes historical operation information in the historical working cycle, and the state prediction model is trained based on the historical operation information; Item 2: Based on a state prediction model that matches the historical state information corresponding to the cable, the environmental parameters and energy consumption of the cable in the current working cycle are analyzed to predict the operating state of the cable in the next working cycle; wherein the historical state information includes historical energy consumption in the historical working cycle and historical environmental parameters corresponding to the historical energy consumption, and the state prediction model is trained based on the historical energy consumption and the historical environmental parameters.

5. The system according to claim 1, characterized in that The cable operation information includes cable temperature; the controller is further used for: Determine a temperature trend between a cable temperature corresponding to the operating state and a cable temperature of a current working cycle; When the temperature trend shows an upward trend, increasing the heat dissipation rate of the liquid cooling system and the air cooling system; When the temperature trend shows a downward trend, the liquid cooling system is controlled to stop running.

6. The system according to claim 5, characterized in that The controller is further configured to: In a case where the target heat dissipation mode includes a liquid cooling heat dissipation mode, if the temperature trend shows a downward trend, reducing the heat dissipation rate of the liquid cooling system; In a case where the target heat dissipation mode includes a liquid cooling heat dissipation mode, if the temperature trend shows an upward trend, the air cooling system is controlled to start and the heat dissipation rate of the liquid cooling system is increased.

7. The system according to claim 1, characterized in that The liquid cooling system includes a coolant and a radiator, the air cooling system includes a fan, the distance between the fan and the cable is less than or equal to a distance threshold, or the distance between the fan and the radiator is less than or equal to the distance threshold; the detection device includes an environmental sensor; The environmental sensor is used to obtain the ambient air pressure and altitude of the cable in the current working cycle; the cable operation information includes the altitude and the ambient air pressure; The controller is also used to control the liquid cooling system to increase the flow rate and / or flow rate of the coolant, and control the air cooling system to increase the speed and / or power of the fan, when the target heat dissipation mode includes a liquid cooling mode and an air cooling mode, if the ambient air pressure is less than a pressure threshold or the altitude is greater than a height threshold, so as to improve the heat dissipation efficiency of the air cooling mode and the liquid cooling mode.

8. The system according to claim 7, characterized in that The liquid cooling system also includes: a coolant temperature detection device, a heating device and a cooling device; The coolant temperature detection device is used to detect the temperature of the coolant; The heating device is used to heat the temperature of the coolant to a first preset temperature when the temperature of the coolant is less than a first set threshold; The cooling device is used to cool the temperature of the coolant to a second preset temperature when the temperature of the coolant is greater than a second set threshold; Wherein, the first preset temperature and the second preset temperature are within a preset usage range of the coolant.

9. The system according to claim 1, characterized in that The system includes a plurality of thermal imaging cameras; The multiple thermal imaging cameras are used to detect thermal radiation from the surface of the cable and generate thermal images; The controller is further used to increase the heat dissipation rate of the liquid cooling system and / or the air cooling system when a hot spot position is detected based on the thermal image.

10. A cable heat dissipation method, characterized in that: The cable heat dissipation system applied to any one of claims 1 to 9, the method comprising: Obtain the cable operation information of the cable in the current working cycle; Determining a target heat dissipation mode of the cable in a current working cycle based on the cable operation information; In the case where the target heat dissipation mode includes a liquid cooling heat dissipation mode and an air cooling heat dissipation mode, determining a heat dissipation sequence that matches the cable operation information; the heat dissipation sequence is used to characterize the activation sequence of the liquid cooling heat dissipation mode and the air cooling heat dissipation mode respectively; In the case where the target heat dissipation mode is operated in the heat dissipation sequence in the current working cycle, based on a state prediction model matching the historical state information of the cable, predicting the operating state of the cable in the next working cycle; The target heat dissipation mode is adjusted based on the operating state, so as to dissipate heat for the cable in a next working cycle based on the adjusted target heat dissipation mode.

Images