A centralized liquid cooling system for charging piles

Abstract

The present invention belongs to the field of liquid cooling technology, and provides a centralized liquid cooling system for charging piles, including: a liquid cooling platform configuration module for configuring a centralized liquid cooling platform for cooling the charging piles; a liquid cooling execution module for performing cooling and heat dissipation of the charging piles based on the centralized liquid cooling platform. The present invention can quickly reduce the temperature of the heating components during the charging process, enabling the charging piles to maintain a lower temperature while outputting high power, and avoiding affecting the charging effect and safety performance due to excessive temperature; it can share the circulating pump, radiator and pipeline, reducing the overall investment and maintenance costs, and facilitating the popularization of the liquid cooling charging pile solution; it has greater flexibility and scalability, can increase or decrease the number of charging piles at any time according to needs, and can adjust the capacity and performance of the liquid cooling system according to the actual situation.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid cooling, and in particular to a centralized liquid cooling system for charging piles. Background Art

[0002] At present, with the development of new energy vehicles, electric vehicle charging piles are used more and more widely. The charging power of the charging pile directly affects the application and development of electric vehicles. As the charging speed of the charging pile becomes faster and the charging power becomes higher, the temperature control of the charging pile is also a thorny problem to be faced; most of the existing charging piles are mainly air-cooled, with small charging power and large fan noise, which are difficult to meet the increasing charging needs; a small number of liquid-cooled charging piles on the market, due to the need for independent design, have high costs and large occupied space, and are not intelligent enough in liquid cooling control, affecting the use efficiency of the charging pile.

[0003] The patent with the application number CN202311202319.8 discloses a liquid-cooled variable flow control method and system for a charging pile to solve the problems that a large amount of heat is generated inside the charging pile during high-power fast charging, and at the same time, overheating weather and unexpected situations will cause high temperature inside the charging pile, resulting in a decrease in charging efficiency, etc., including: monitoring the status information and the environment information of the current charging pile; analyzing the status information and the environment information, and activating the liquid cooling unit when the activation conditions are met; after the liquid cooling unit is activated, controlling the temperature of the charging pile by adjusting the flow rate of the coolant to adjust the charging environment temperature to within the target temperature range; this patent only monitors the heat of the charging pile to achieve temperature control of the charging pile, and does not comprehensively monitor the heat of the charging pile from other dimensions, and the means of temperature control are relatively single.

[0004] Therefore, it is necessary to provide a centralized liquid cooling system for charging piles. Summary of the Invention

[0005] The present invention provides a centralized liquid cooling system for charging piles, which can quickly reduce the temperature of the heat-generating components during the charging process, enable the charging pile to maintain a lower temperature while outputting high power, and avoid affecting the charging effect and safety performance due to too high temperature; it can share the circulating pump, radiator and pipeline, reducing the overall investment and maintenance costs, which is conducive to accelerating the promotion of the liquid-cooled charging pile solution; it has greater flexibility and scalability, can increase or decrease the number of charging piles at any time according to needs, and can adjust the capacity and performance of the liquid cooling system according to the actual situation.

[0006] The present invention provides a centralized liquid cooling system for charging piles, including:

[0007] A liquid cooling platform configuration module for configuring a centralized liquid cooling platform for cooling the charging pile.

[0008] A liquid cooling execution module for cooling and dissipating heat of a charging pile based on a centralized liquid cooling platform.

[0009] Furthermore, the centralized liquid cooling platform includes: a coolant circulation pump, a coolant reservoir, a radiator, a cooling fan, a cooling spray subsystem, pipes and connectors, a cooling capacity distribution subsystem, a temperature sensor, a pressure sensor, and a control subsystem;

[0010] Among them, the coolant circulation pump and the coolant reservoir, the radiator and the cooling fan, the temperature sensor and the pressure sensor, and the pipes and connectors are all modularly arranged; the modular arrangement means: increasing or decreasing the single quantity and quantity combination according to the cooling requirements of the charging pile and the cooling process of the charging pile.

[0011] The coolant circulation pump is connected to the coolant reservoir through pipes and connectors; the radiator is connected to the cooling fan; the control subsystem is respectively connected to the coolant circulation pump, the cooling fan, the cooling capacity distribution subsystem, the cooling spray subsystem, the temperature sensor, and the pressure sensor.

[0012] Furthermore, the liquid cooling execution module includes a temperature perception data acquisition unit and a cooling capacity distribution unit;

[0013] The temperature perception data acquisition unit is used to collect and obtain the temperature data of the charging pile according to the temperature sensor configured on the charging pile, and send the temperature data to the control subsystem;

[0014] The cooling capacity distribution unit is used to analyze based on the control subsystem according to the distribution of the temperature data, and generate a control command by using the charging pile cooling capacity distribution prediction model and the charging pile cooling capacity distribution target path model, and control the cooling capacity distribution subsystem to perform cooling capacity distribution according to the control command.

[0015] Furthermore, analyzing according to the distribution of the temperature data and generating a control command by using the charging pile cooling capacity distribution prediction model and the charging pile cooling capacity distribution target path model includes:

[0016] Training the charging pile cooling capacity distribution by using a recurrent neural network model according to the historical temperature data obtained by the temperature perception data acquisition unit to generate a charging pile cooling capacity distribution prediction model;

[0017] Training and generating a charging pile cooling capacity distribution target path model according to the balanced cooling capacity distribution data in the charging pile cooling capacity distribution historical data by using the set Monte Carlo model, and obtaining the charging pile cooling capacity distribution target path according to the charging pile cooling capacity distribution target path model;

[0018] Obtaining the current charging pile cooling capacity distribution according to the distribution of the temperature data;

[0019] According to the current cooling capacity distribution of the charging piles, the prediction of the charging pile cooling capacity distribution is carried out using the charging pile cooling capacity distribution prediction model, and the target path of the charging pile cooling capacity distribution is obtained using the charging pile cooling capacity distribution target path model, so as to obtain the predicted value of the charging pile cooling capacity distribution and the target path of the charging pile cooling capacity distribution;

[0020] According to the predicted value of the charging pile cooling capacity distribution and the target path of the charging pile cooling capacity distribution, the cooling capacity distribution of each charging pile is obtained;

[0021] According to the data relationship corresponding library between the cooling capacity distribution of each charging pile and the control command set, the control command for executing the charging pile cooling capacity distribution is obtained.

[0022] Furthermore, the liquid cooling execution module further includes a liquid cooling distribution control unit for controlling the liquid cooling flow rate of each charging pile according to the set liquid cooling capacity distribution control model and the charging pile liquid cooling capacity change trend prediction model; specifically:

[0023] Taking the liquid cooling flow rate of each charging pile as the state variable and the cooling capacity distribution of the cooling capacity distribution subsystem corresponding to each charging pile as the control variable, a liquid cooling capacity distribution control model of the charging pile is constructed;

[0024] Based on the optimization objective function and constraint conditions of the prediction controller of the charging pile cooling capacity distribution prediction model, the optimal cooling capacity distribution corresponding to each charging pile of the cooling capacity distribution subsystem is calculated;

[0025] Inputting the optimal cooling capacity distribution into the liquid cooling capacity distribution control model, the best flow rate value of the liquid cooling capacity of each charging pile is obtained;

[0026] Taking the best flow rate value as the state variable, feedback is performed on the prediction controller of the charging pile cooling capacity distribution prediction model to ensure the balance of the liquid cooling capacity distribution of each charging pile;

[0027] Taking the optimal cooling capacity distribution and the best flow rate value as the reference quantity, and setting the floating range of the reference quantity, the floating range of the reference quantity is used as the reference for the operation of the coolant circulation pump and the coolant reservoir, and the monitoring condition for judging whether the coolant circulation pump and the coolant reservoir operate abnormally.

[0028] Furthermore, the liquid cooling execution module further includes an operation adjustment unit for adjusting the parameters of the coolant circulation pump and the cooling fan according to the ratio of the number of operating charging piles to the total number of charging piles; specifically: controlling the adjustment of the flow rate of the coolant circulation pump and controlling the adjustment of the rotation speed of the cooling fan according to the set adjustment operation strategy.

[0029] Furthermore, the liquid cooling execution module further includes a cooling assistance unit, which is used to, according to the maximum threshold of the opening load rate generated by the set number of charging piles in operation, when the opening load rate generated by the number of charging piles in operation exceeds the maximum threshold of the charging pile opening load rate, use the control subsystem to control the cooling spray subsystem to work for auxiliary cooling and heat dissipation.

[0030] Furthermore, the liquid cooling execution module further includes a coolant pressure detection unit, which is used to obtain coolant pressure perception data according to the pressure sensors configured in the coolant circulation pump, coolant reservoir, pipes and connectors, and cold quantity distribution subsystem; the control subsystem monitors the coolant leakage situation according to the coolant pressure perception data, and if coolant leakage occurs, an alarm reminder is sent out in time.

[0031] Furthermore, the centralized liquid cooling platform further includes a noise detection device and a noise processing device. The noise detection device is used to detect the noise during the liquid cooling execution process, and the noise processing device is used to process single noises that exceed the set noise threshold, and perform noise balance processing on multiple single noises that are lower than the set noise threshold but higher than the comprehensive noise threshold; wherein, the comprehensive noise is the sum of multiple single noises.

[0032] Furthermore, the component management unit of the liquid cooling execution module is used to, based on the control subsystem, configure and manage the shared use of the coolant circulation pump, radiator and pipes with shared purposes.

[0033] Compared with the prior art, the present invention has the following advantages and beneficial effects: it can quickly reduce the temperature of the heat-generating components during the charging process, enable the charging pile to maintain a lower temperature while outputting at high power, and avoid affecting the charging effect and safety performance due to excessive temperature; it can share the circulation pump, radiator and pipes, reducing the overall investment and maintenance costs, which is conducive to accelerating the popularization of the liquid-cooled charging pile solution; it has greater flexibility and scalability, can increase or decrease the number of charging piles at any time according to needs, and can adjust the capacity and performance of the liquid cooling system according to the actual situation.

[0034] Other features and advantages of the present invention will be described in the subsequent specification, and, in part, will be obvious from the specification, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be realized and obtained by the structures specifically pointed out in the written specification and the drawings.

[0035] The technical solution of the present invention will be further described in detail below through the drawings and embodiments. Brief Description of the Drawings

[0036] The accompanying drawings are used to provide a further understanding of the present invention and form a part of the specification. They are used in conjunction with the embodiments of the present invention to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0037] Figure 1 It is a schematic structural diagram of a centralized liquid cooling system for charging piles;

[0038] Figure 2 It is a schematic diagram of the composition of a liquid cooling platform assembly;

[0039] Figure 3 It is a partial structural schematic diagram of a liquid cooling execution module. Specific Embodiments

[0040] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0041] The present invention provides a centralized liquid cooling system for charging piles, as Figure 1 shown, including:

[0042] A liquid cooling platform configuration module for configuring a centralized liquid cooling platform for cooling the charging pile;

[0043] A liquid cooling execution module for performing cooling and heat dissipation of the charging pile based on the centralized liquid cooling platform.

[0044] The working principle of the above technical solution is as follows: In order to implement the centralized liquid cooling system for charging piles, the present invention sets a liquid cooling platform configuration module for configuring a centralized liquid cooling platform for cooling the charging pile; and sets a liquid cooling execution module for performing cooling and heat dissipation of the charging pile based on the centralized liquid cooling platform. Through the functions of the two modules, the cooling and heat dissipation of the charging pile can be achieved.

[0045] The beneficial effects of the above technical solution are as follows: By adopting the solution provided in this embodiment, through the liquid cooling platform configuration module and the liquid cooling execution module, it can ensure that the temperature of the heat-generating components of the charging pile is quickly reduced during the charging process, enabling the charging pile to maintain a relatively low temperature while outputting high power, and avoiding affecting the charging effect and safety performance due to excessive temperature.

[0046] In one embodiment, as Figure 2 shown, the centralized liquid cooling platform includes: a coolant circulation pump, a coolant reservoir, a radiator, a cooling fan, a cooling spray subsystem, pipes and connectors, a cooling capacity distribution subsystem, a temperature sensor, a pressure sensor, and a control subsystem;

[0047] Among them, the coolant circulation pump, coolant reservoir, radiator, cooling fan, temperature sensor, pressure sensor, pipes and connectors are all modularly arranged; the modular arrangement is as follows: according to the cooling requirements and the cooling process of the charging pile, the increase and decrease of the single quantity and quantity combination are carried out.

[0048] The coolant circulation pump is connected to the coolant reservoir through pipes and connectors; the radiator is connected to the cooling fan; the control subsystem is respectively connected to the coolant circulation pump, the cooling fan, the cooling capacity distribution subsystem, the cooling spray subsystem, the temperature sensor, and the pressure sensor.

[0049] The working principle of the above technical solution is as follows: in the centralized liquid cooling platform, the components in the centralized liquid cooling platform are realized by using the coolant circulation pump, coolant reservoir, radiator, cooling fan, cooling spray subsystem, pipes and connectors, cooling capacity distribution subsystem, temperature sensor, pressure sensor and control subsystem; among them, the coolant circulation pump, coolant reservoir, radiator, cooling fan, temperature sensor, pressure sensor, pipes and connectors are all modularly arranged; the modular arrangement is as follows: according to the cooling requirements and the cooling process of the charging pile, the increase and decrease of the single quantity and quantity combination are carried out; the coolant circulation pump is connected to the coolant reservoir through pipes and connectors; the radiator is connected to the cooling fan; the control subsystem is respectively connected to the coolant circulation pump, the cooling fan, the cooling capacity distribution subsystem, the cooling spray subsystem, the temperature sensor, and the pressure sensor.

[0050] The beneficial effect of the above technical solution is as follows: by adopting the solution provided in this embodiment, the components in the centralized liquid cooling platform are configured to provide the necessary conditions for the liquid cooling and heat dissipation of the charging pile.

[0051] In one embodiment, as Figure 3 shown, the liquid cooling execution module includes a temperature perception data acquisition unit and a cooling capacity distribution unit;

[0052] The temperature perception data acquisition unit is used to collect and obtain the temperature data of the charging pile according to the temperature sensor configured on the charging pile, and send the temperature data to the control subsystem;

[0053] The cooling capacity distribution unit is used to, based on the control subsystem, analyze according to the distribution of the temperature data by using the charging pile cooling capacity distribution prediction model and the charging pile cooling capacity distribution target path model, generate a control command, and control the cooling capacity distribution subsystem to perform cooling capacity distribution according to the control command.

[0054] The working principle of the above technical solution is as follows: In the liquid cooling execution module of the present invention, a temperature perception data acquisition unit and a cooling capacity distribution unit are provided; by using the temperature perception data acquisition unit, according to the temperature sensors configured on the charging pile, the temperature data of the charging pile is collected and sent to the control subsystem; by using the cooling capacity distribution unit, based on the control subsystem, according to the distribution of the temperature data, the charging pile cooling capacity distribution prediction model and the charging pile cooling capacity distribution target path model are used for analysis to generate a control command, and the cooling capacity distribution subsystem is controlled to perform cooling capacity distribution according to the control command.

[0055] The beneficial effects of the above technical solution are as follows: By adopting the solution provided in this embodiment, by obtaining the temperature perception data and controlling the cooling capacity distribution subsystem to perform cooling capacity distribution according to the temperature perception data, the accurate and effective execution of the cooling capacity distribution can be ensured.

[0056] In one embodiment, according to the distribution of the temperature data, using the charging pile cooling capacity distribution prediction model and the charging pile cooling capacity distribution target path model for analysis to generate a control command, including:

[0057] According to the historical temperature data obtained by the temperature perception data acquisition unit, a charging pile cooling capacity distribution prediction model is generated by using a recurrent neural network model for training the charging pile cooling capacity distribution;

[0058] According to the balanced cooling capacity distribution data in the charging pile cooling capacity distribution historical data, a charging pile cooling capacity distribution target path model is trained and generated by using a set Monte Carlo model, and according to the charging pile cooling capacity distribution target path model, the charging pile cooling capacity distribution target path is obtained;

[0059] According to the distribution of the temperature data, the current charging pile cooling capacity distribution is obtained;

[0060] According to the current charging pile cooling capacity distribution, the charging pile cooling capacity distribution is predicted by using the charging pile cooling capacity distribution prediction model, and the charging pile cooling capacity distribution target path is obtained by using the charging pile cooling capacity distribution target path model, so as to obtain the charging pile cooling capacity distribution prediction value and the charging pile cooling capacity distribution target path;

[0061] According to the charging pile cooling capacity distribution prediction value and the charging pile cooling capacity distribution target path, the cooling capacity distribution of each charging pile is obtained;

[0062] According to the set data relationship corresponding library of the cooling capacity distribution of each charging pile and the control command, the control command for executing the charging pile cooling capacity distribution is obtained.

[0063] The working principle of the above technical solution is as follows: In order to obtain the control command, first, based on the historical temperature data obtained by the temperature perception data acquisition unit, a charging pile cooling capacity allocation prediction model is generated by training with a recurrent neural network model; then, based on the balanced cooling capacity allocation data in the historical charging pile cooling capacity allocation data, a charging pile cooling capacity allocation target path model is trained and generated using the set Monte Carlo model, and based on the charging pile cooling capacity allocation target path model, the charging pile cooling capacity allocation target path is obtained; according to the distribution of the temperature data, the current charging pile cooling capacity allocation amount is obtained; according to the current charging pile cooling capacity allocation amount, the charging pile cooling capacity allocation amount is predicted using the charging pile cooling capacity allocation prediction model, and the charging pile cooling capacity allocation target path is obtained using the charging pile cooling capacity allocation target path model, resulting in the predicted value of the charging pile cooling capacity allocation amount and the charging pile cooling capacity allocation target path; according to the predicted value of the charging pile cooling capacity allocation amount and the charging pile cooling capacity allocation target path, the cooling capacity allocation amount of each charging pile is obtained; finally, according to the data relationship correspondence library set for the cooling capacity allocation amount and the control command of each charging pile, the control command for executing the charging pile cooling capacity allocation is obtained.

[0064] The beneficial effects of the above technical solution are as follows: By adopting the solution provided in this embodiment, through analyzing according to the distribution of the temperature data and using the charging pile cooling capacity allocation prediction model and the charging pile cooling capacity allocation target path model to generate the control command, the accuracy of the generation of the control command can be ensured.

[0065] In one embodiment, the liquid cooling execution module further includes a liquid cooling distribution control unit for controlling the liquid cooling flow rate of each charging pile according to the set liquid cooling capacity distribution control model and the charging pile liquid cooling capacity change trend prediction model; specifically:

[0066] Taking the liquid cooling flow rate of each charging pile as the state variable and the cooling capacity allocation amount of the cooling capacity distribution subsystem corresponding to each charging pile as the control variable, a liquid cooling capacity distribution control model of the charging pile is constructed;

[0067] Based on the optimization objective function and constraint conditions of the prediction controller of the charging pile cooling capacity allocation prediction model, the optimal cooling capacity allocation amount of the cooling capacity distribution subsystem corresponding to each charging pile is calculated;

[0068] The optimal cooling capacity allocation amount is input into the liquid cooling capacity distribution control model to obtain the optimal flow rate value of the liquid cooling capacity of each charging pile;

[0069] Taking the optimal flow rate value as the state variable, feedback is performed on the prediction controller of the charging pile cooling capacity allocation prediction model to ensure the balance of the liquid cooling capacity distribution of each charging pile;

[0070] Take the optimal cooling capacity allocation and the best flow value as the reference quantities, set the floating range of the reference quantities, and use the floating range of the reference quantities as the reference for the operation of the coolant circulation pump and the coolant reservoir, as well as the monitoring condition for judging whether the coolant circulation pump and the coolant reservoir are operating abnormally.

[0071] The working principle of the above technical solution is as follows: To achieve liquid cooling distribution control, first, take the liquid cooling flow rate of each charging pile as the state variable and the cooling capacity allocation of the cooling capacity distribution subsystem corresponding to each charging pile as the control variable to construct a liquid cooling capacity distribution control model for the charging pile; then, based on the optimization objective function and constraint conditions of the predictive controller of the charging pile cooling capacity allocation prediction model, calculate the optimal cooling capacity allocation of the cooling capacity distribution subsystem corresponding to each charging pile; input the optimal cooling capacity allocation into the liquid cooling capacity distribution control model to obtain the best flow value of the liquid cooling capacity of each charging pile; take the best flow value as the state variable and feedback it to the predictive controller of the charging pile cooling capacity allocation prediction model to ensure the balance of the liquid cooling capacity distribution of each charging pile; take the optimal cooling capacity allocation and the best flow value as the reference quantities, set the floating range of the reference quantities, and use the floating range of the reference quantities as the reference for the operation of the coolant circulation pump and the coolant reservoir, as well as the monitoring condition for judging whether the coolant circulation pump and the coolant reservoir are operating abnormally.

[0072] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment and controlling the liquid cooling flow rate of each charging pile according to the set liquid cooling capacity distribution control model and the charging pile liquid cooling capacity change trend prediction model, precise control of the liquid cooling flow rate can be achieved.

[0073] In one embodiment, the liquid cooling execution module further includes an operation adjustment unit for adjusting the parameters of the coolant circulation pump and the cooling fan according to the ratio of the number of operating charging piles to the total number of charging piles, specifically: controlling the adjustment of the flow rate of the coolant circulation pump and the adjustment of the rotation speed of the cooling fan according to the set adjustment operation strategy.

[0074] The working principle of the above technical solution is as follows: To achieve the control of different numbers of charging piles in operation, the present invention sets an operation adjustment unit to adjust the parameters of the coolant circulation pump and the cooling fan according to the ratio of the number of operating charging piles to the total number of charging piles, specifically: controlling the adjustment of the flow rate of the coolant circulation pump and the adjustment of the rotation speed of the cooling fan according to the set adjustment operation strategy.

[0075] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment and controlling the adjustment of the flow rate of the coolant circulation pump and the adjustment of the rotation speed of the cooling fan according to different numbers of operating charging piles, the level of intelligent control can be improved.

[0076] In one embodiment, the liquid cooling execution module further includes a cooling assistance unit, which is configured to, according to the maximum threshold of the starting load rate generated by the set number of charging piles in operation, when the starting load rate generated by the number of charging piles in operation exceeds the maximum threshold of the starting load rate of the charging piles, use the control subsystem to control the operation of the heat dissipation spraying subsystem for auxiliary cooling and heat dissipation.

[0077] The working principle of the above technical solution is as follows: In order to effectively ensure the effect of liquid cooling treatment under extreme load conditions, the present invention provides a cooling assistance unit. According to the maximum threshold of the starting load rate generated by the set number of charging piles in operation, when the starting load rate generated by the number of charging piles in operation exceeds the maximum threshold of the starting load rate of the charging piles, the control subsystem is used to control the operation of the heat dissipation spraying subsystem for auxiliary cooling and heat dissipation.

[0078] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the heat dissipation amount of the system is increased through the heat dissipation spraying subsystem, which can greatly improve the overall efficiency of cooling and heat dissipation.

[0079] In one embodiment, the liquid cooling execution module further includes a coolant pressure detection unit, which is configured to obtain coolant pressure perception data according to the pressure sensors configured in the coolant circulation pump, coolant reservoir, pipes and connectors, and the cold quantity distribution subsystem; the control subsystem monitors the coolant leakage situation according to the coolant pressure perception data, and if coolant leakage occurs, an alarm reminder is sent in a timely manner.

[0080] The working principle of the above technical solution is as follows: The present invention is provided with a pressure detection unit to obtain coolant pressure perception data according to the pressure sensors configured in the coolant circulation pump, coolant reservoir, pipes and connectors, and the cold quantity distribution subsystem; the control subsystem monitors the coolant leakage situation according to the coolant pressure perception data, and if coolant leakage occurs, an alarm reminder is sent in a timely manner.

[0081] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, through the detection of the pressure detection unit, the monitoring effect of the coolant can be ensured, and the situation where coolant leakage cannot be detected is prevented.

[0082] In one embodiment, the centralized liquid cooling platform further includes a noise detection device and a noise processing device. The noise detection device is used to detect the noise during the liquid cooling execution process. The noise processing device is used to process single noises exceeding the set noise threshold, and perform noise balancing processing on multiple single noises that are lower than the set noise threshold but higher than the comprehensive noise threshold; wherein, the comprehensive noise is the sum of multiple single noises.

[0083] The working principle of the above technical solution is as follows: In order to eliminate the noise impact during the liquid cooling execution process, a noise detection device is used to detect the noise during the liquid cooling execution process, and then a noise processing device is used to process single-item noises exceeding the set noise threshold, and perform noise balancing processing on multiple single-item noises that are lower than the set noise threshold but higher than the comprehensive noise threshold; among them, the comprehensive noise is the accumulation of multiple single-item noises, which can ensure the effect of liquid cooling treatment.

[0084] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment and processing the noise during the liquid cooling execution process, the noise impact during the liquid cooling execution process can be eliminated.

[0085] In one embodiment, the liquid cooling execution module component management unit is used to configure and manage the shared use of the coolant circulation pump, radiator, and pipeline with shared purposes based on the control subsystem.

[0086] The working principle of the above technical solution is as follows: By configuring and managing the shared use of the coolant circulation pump, radiator, and pipeline with shared purposes based on the control subsystem, the efficient implementation of the shared use of the coolant circulation pump, radiator, and pipeline can be achieved.

[0087] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment and configuring and managing the coolant circulation pump, radiator, and pipeline with shared purposes, the overall investment and maintenance costs can be reduced, thereby accelerating the popularization of the liquid cooling charging pile solution.

[0088] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these changes and modifications.

Claims

1. A centralized liquid cooling system for charging piles, characterized in that, Including: A liquid cooling platform configuration module for configuring a centralized liquid cooling platform for cooling the charging pile; The centralized liquid cooling platform includes: a coolant circulation pump, a coolant reservoir, a radiator, a cooling fan, a cooling spray subsystem, pipes and connectors, a cooling capacity distribution subsystem, a temperature sensor, a pressure sensor, and a control subsystem; Among them, the coolant circulation pump and the coolant reservoir, the radiator and the cooling fan, the temperature sensor and the pressure sensor, and the pipes and connectors are all modularly arranged; the modular arrangement is: according to the cooling requirements of the charging pile and the cooling process of the charging pile, the increase and decrease of the single quantity and the quantity combination are carried out; The coolant circulation pump is connected to the coolant reservoir through pipes and connectors; the radiator is connected to the cooling fan; the control subsystem is respectively connected to the coolant circulation pump, the cooling fan, the cooling capacity distribution subsystem, the cooling spray subsystem, the temperature sensor, and the pressure sensor; A liquid cooling execution module for cooling and dissipating heat of the charging pile based on the centralized liquid cooling platform; The liquid cooling execution module includes a temperature perception data acquisition unit and a cooling capacity distribution unit; The temperature perception data acquisition unit is used to collect and obtain the temperature data of the charging pile according to the temperature sensor configured on the charging pile, and send the temperature data to the control subsystem; The cooling capacity distribution unit is used to analyze based on the control subsystem, according to the distribution of the temperature data, using the charging pile cooling capacity distribution prediction model and the charging pile cooling capacity distribution target path model, generate a control command, and control the cooling capacity distribution subsystem to perform cooling capacity distribution according to the control command; including: Using the recurrent neural network model to train the charging pile cooling capacity distribution according to the historical temperature data obtained by the temperature perception data acquisition unit, and generate a charging pile cooling capacity distribution prediction model; Using the set Monte Carlo model to train and generate a charging pile cooling capacity distribution target path model according to the balanced cooling capacity distribution data in the charging pile cooling capacity distribution historical data, and obtain the charging pile cooling capacity distribution target path according to the charging pile cooling capacity distribution target path model; According to the distribution of the temperature data, obtain the current charging pile cooling capacity distribution; According to the current charging pile cooling capacity distribution, use the charging pile cooling capacity distribution prediction model to predict the charging pile cooling capacity distribution, and use the charging pile cooling capacity distribution target path model to obtain the charging pile cooling capacity distribution target path, to obtain the charging pile cooling capacity distribution prediction value and the charging pile cooling capacity distribution target path; According to the charging pile cooling capacity distribution prediction value and the charging pile cooling capacity distribution target path, obtain the cooling capacity distribution of each charging pile; According to the data relationship corresponding library of the set cooling capacity distribution of each charging pile and the control command, obtain the control command for executing the charging pile cooling capacity distribution; The liquid cooling execution module further includes a liquid cooling distribution control unit for controlling the liquid cooling flow of each charging pile according to the set liquid cooling capacity distribution control model and the charging pile liquid cooling capacity change trend prediction model; specifically: Taking the liquid cooling flow of each charging pile as the state variable and the cooling capacity distribution of the cooling capacity distribution subsystem corresponding to each charging pile as the control variable, construct a liquid cooling capacity distribution control model of the charging pile; Based on the optimization objective function and constraint conditions of the prediction controller of the charging pile cooling capacity distribution prediction model, the optimal cooling capacity distribution corresponding to each charging pile of the cooling capacity distribution subsystem is calculated; The optimal cooling capacity distribution is input into the liquid cooling capacity distribution control model to obtain the best flow rate value of the liquid cooling capacity of each charging pile; Taking the best flow rate value as the state variable, feedback is performed on the prediction controller of the charging pile cooling capacity distribution prediction model to ensure the balance of the liquid cooling capacity distribution of each charging pile; Taking the optimal cooling capacity distribution and the best flow rate value as the reference quantities, and setting the floating range of the reference quantities. The floating range of the reference quantities is used as the reference for the operation of the coolant circulation pump and the coolant reservoir, and as the monitoring condition for judging whether the coolant circulation pump and the coolant reservoir are operating abnormally.

2. The centralized liquid cooling system for charging piles according to claim 1, wherein The liquid cooling execution module further includes an operation adjustment unit for adjusting the parameters of the coolant circulation pump and the cooling fan according to the ratio of the number of operating charging piles to the total number of charging piles. Specifically, according to the set adjustment operation strategy, the flow rate of the coolant circulation pump is controlled, and the rotation speed of the cooling fan is controlled.

3. The centralized liquid cooling system for charging piles according to claim 1, characterized in that, The liquid cooling execution module further includes a cooling assistance unit for, based on the maximum threshold of the start-up load rate generated by the set number of operating charging piles, when the start-up load rate generated by the number of operating charging piles exceeds the maximum threshold of the charging pile start-up load rate, using the control subsystem to control the heat dissipation spray subsystem to work for auxiliary cooling and heat dissipation.

4. The centralized liquid cooling system for charging piles according to claim 1, characterized in that, The liquid cooling execution module further includes a coolant pressure detection unit for obtaining coolant pressure perception data according to the pressure sensors configured in the coolant circulation pump, the coolant reservoir, the pipelines and connectors, and the cooling capacity distribution subsystem; the control subsystem monitors the coolant leakage situation according to the coolant pressure perception data, and if coolant leakage occurs, an alarm reminder is sent in a timely manner.

5. The centralized liquid cooling system for charging piles according to claim 1, characterized in that, The centralized liquid cooling platform further includes a noise detection device and a noise processing device. The noise detection device is used to detect the noise during the liquid cooling execution process. The noise processing device is used to process single noises exceeding the set noise threshold, and to perform noise balance processing on multiple single noises that are lower than the set noise threshold but higher than the comprehensive noise threshold; among them, the comprehensive noise is the accumulation of multiple single noises.

6. The centralized liquid cooling system for charging piles according to claim 1, characterized in that The liquid cooling execution module component management unit is used to configure and manage the shared use of the coolant circulation pump, the radiator and the pipelines with shared uses based on the control subsystem.

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