A synergistic control method for preventing condensation of a charging host cabinet

Abstract

The application discloses a kind of synergic control methods of condensation prevention of charging host cabinet, it is related to charging pile technical field, comprising the following steps: S1: temperature sensor and dew point instrument are deployed in charging host cabinet, real-time acquisition temperature and dew point temperature in charging host cabinet, predicted dew point temperature is obtained by dew point temperature historical data prediction future dew point temperature;By dividing into four condensation risk levels, such as no risk level, low risk level, medium risk level and high risk level, the condensation risk is divided into four condensation risk levels, so that subsequent different synergic control strategies are executed according to condensation risk level, and then it is convenient to make targeted adjustment according to the real-time temperature environment in charging host cabinet, and then it is convenient to monitor data, prediction data and heater, dehumidifier, internal circulation fan and ventilation regulating valve mechanical equipment are combined to work accurately control the temperature environment of charging host cabinet, beneficial to avoid data islanding while facilitating intelligent automatic temperature regulation.

Description

Technical Field

[0001] This invention relates to the field of charging pile technology, specifically to a collaborative control method for preventing condensation in a charging main unit cabinet. Background Technology

[0002] As the core power conversion unit of electric vehicle charging facilities, the charging main cabinet integrates electrical equipment such as charging modules, control circuits, and wiring terminals. In actual outdoor operation, due to environmental factors such as day-night temperature differences, seasonal changes, and high humidity after rain, condensation is very likely to occur inside the cabinet. Condensation can lead to decreased insulation performance, circuit board corrosion, terminal oxidation, and short circuit faults, which seriously affect the equipment life and operational safety.

[0003] Currently, common anti-condensation measures for charging main unit cabinets mainly include: installing heaters, dehumidifiers, internal circulation fans, and ventilation regulating valves inside the cabinet. However, existing technologies have the following shortcomings: 1. Single control method and delayed response: Most solutions use fixed temperature and humidity thresholds to trigger heating or exhaust, lacking dynamic tracking of dew point temperature. When the ambient temperature changes drastically, such as after rain when the sun shines, the temperature of the cold surface inside the cabinet is often already below the dew point before the anti-condensation is activated, resulting in a window period where condensation forms before the control action. 2. Local temperature difference and humidity gradient are ignored: The concentrated heat generation of the charging module leads to extremely uneven temperature and humidity distribution in different areas of the cabinet (air inlet, air outlet, cabinet wall, cable entry). A single sensor cannot reflect the overall risk and condensation is easily formed in cold areas. 3. Conflict between heat dissipation and anti-condensation: To reduce the risk of condensation, the temperature inside the cabinet needs to be increased or forced dehumidification is required. However, the charging module needs efficient heat dissipation under high load, which requires the introduction of external cold air. In the existing technology, the heater and the cooling fan often compete disorderly, resulting in increased energy consumption and unstable anti-condensation effect. To address this, we propose a collaborative control method for anti-condensation of the charging main unit cabinet. Summary of the Invention

[0004] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides a collaborative control method for preventing condensation in charging main unit cabinets, thereby solving the aforementioned problems in the prior art.

[0005] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: a collaborative control method for preventing condensation in a charging main unit cabinet, comprising the following steps: S1: Deploy temperature sensors and dew point meters inside the charging main unit cabinet to collect the temperature and dew point temperature inside the charging main unit cabinet in real time, and predict the future dew point temperature by using historical dew point temperature data. S2: Based on the temperature difference between the current temperature and the predicted dew point temperature, the condensation risk is divided into four condensation risk levels: no risk level, low risk level, medium risk level and high risk level. The condensation risk level is determined based on the temperature difference. Based on the condensation risk level, the internal circulation fan, heater, dehumidifier and ventilation regulating valve are controlled to perform a coordinated control strategy. S3: Set a collaborative control cycle, execute the collaborative control strategy according to the collaborative control cycle, determine whether the condensation risk level has decreased after one collaborative control cycle, adjust the duration of the collaborative control cycle according to the judgment result, adjust the output power of the internal circulation fan, heater and dehumidifier according to the judgment result, and repeat S2 after one collaborative control cycle until the condensation risk level is no risk level.

[0006] Preferably, in S1, the predicted dew point temperature is obtained by predicting the future dew point temperature using historical dew point temperature data, specifically as follows: S101: Set the measurement cycle, obtain the dew point temperature of the ten measurement cycles up to the current time, mark it as the historical dew point temperature, and subtract the last nine historical dew point temperatures from the previous historical dew point temperature to obtain the nine historical dew point temperature differences. S102: Sum the nine historical dew point temperature differences and take the mean value to obtain the mean change value. Obtain the current dew point temperature, and sum the current dew point temperature with the mean change value to obtain the predicted dew point temperature.

[0007] Preferably, in S2, the temperature difference is obtained based on the current temperature and the predicted dew point temperature, specifically as follows: S201: Obtain the current temperature of different areas inside the charging host cabinet, and sum and average the current temperatures of different areas inside the charging host cabinet to obtain the overall current temperature; S202: Obtain the predicted dew point temperature by subtracting the predicted dew point temperature from the overall current temperature.

[0008] Preferably, in S2, the condensation risk is divided into four levels: no risk, low risk, medium risk, and high risk. The condensation risk level is determined based on the temperature difference, specifically as follows: S203: Obtain the temperature difference and determine whether the temperature difference is greater than 7℃. If the temperature difference is greater than 7℃, it is determined to be at a no-risk level. If the temperature difference is less than or equal to 7℃, then execute S204. S204: Determine if the temperature difference is greater than 5℃. If the temperature difference is greater than 5℃, it is judged as a low-risk level. If the temperature difference is less than or equal to 5℃, then execute S205. S205: Determine if the temperature difference is greater than 3℃. If the temperature difference is greater than 3℃, it is judged as medium risk level. If the temperature difference is less than or equal to 3℃, it is judged as high risk level.

[0009] Preferably, in S2, a coordinated control strategy is implemented to control the operation of the internal circulation fan, heater, dehumidifier, and ventilation regulating valve according to the condensation risk level, specifically as follows: S206: Obtain the current condensation risk level, determine whether the current condensation risk level is a risk-free level. If the current condensation risk level is a risk-free level, fully open the ventilation regulating valve and repeat S1. If the current condensation risk level is not a risk-free level, execute S207. S207: Determine whether the current condensation risk level is low. If the current condensation risk level is low, partially open the ventilation regulating valve and turn on the internal circulation fan to force air convection in the cabinet and equalize the temperature and humidity distribution in each area. If the current condensation risk level is not low, execute S208. S208: Determine whether the current condensation risk level is medium risk level. If the current condensation risk level is medium risk level, turn on the heater to increase the temperature inside the charging host cabinet, and at the same time partially open the ventilation regulating valve. If the current condensation risk level is not medium risk level, execute S209. S209: Completely close the ventilation regulating valve, turn on the dehumidifier to reduce the humidity inside the charging unit cabinet, and turn on the heater to increase the temperature inside the charging unit cabinet.

[0010] Preferably, in S3, a collaborative control cycle is set, and a collaborative control strategy is executed according to the collaborative control cycle, specifically as follows: S301: Set the coordinated control cycle, obtain the coordinated control strategy, determine whether the current coordinated control strategy is to fully open the ventilation regulating valve. If the current coordinated control strategy is to fully open the ventilation regulating valve, the duration of fully opening the ventilation regulating valve is the coordinated control cycle. After the countdown of the coordinated control cycle ends, repeat S2. S302: Determine whether the current collaborative control strategy is to partially open the ventilation regulating valve. If the current collaborative control strategy is to partially open the ventilation regulating valve, the duration of the partial opening of the ventilation regulating valve is the collaborative control cycle. After the countdown of the collaborative control cycle ends, repeat S2. S303: Determine whether the current coordinated control strategy is to completely close the ventilation regulating valve. If the current coordinated control strategy is to completely close the ventilation regulating valve, the duration of completely closing the ventilation regulating valve is the coordinated control cycle. After the countdown of the coordinated control cycle ends, repeat S2. S304: Determine whether the current collaborative control strategy is to turn on the internal circulation fan. If the current collaborative control strategy is to turn on the internal circulation fan, the duration of turning on the internal circulation fan is the collaborative control cycle. After the countdown of the collaborative control cycle ends, repeat S2. S305: Determine whether the current cooperative control strategy is to turn on the heater. If the current cooperative control strategy is to turn on the heater, the duration of turning on the heater is the cooperative control cycle. After the countdown of the cooperative control cycle ends, repeat S2. S306: Determine whether the current collaborative control strategy is to turn on the dehumidifier. If the current collaborative control strategy is to turn on the dehumidifier, the duration of the dehumidifier being turned on is the collaborative control cycle. After the collaborative control cycle countdown ends, repeat S2.

[0011] Preferably, in S3, after one coordinated control cycle, it is determined whether the condensation risk level has decreased, specifically as follows: S307: Obtain the condensation risk level before a collaborative control cycle, obtain the condensation risk level after a collaborative control cycle, and determine whether the condensation risk level before a collaborative control cycle is the same as the condensation risk level after a collaborative control cycle. If the condensation risk level before a collaborative control cycle is the same as the condensation risk level after a collaborative control cycle, the determination result is marked as the condensation risk level has not changed. If the condensation risk level before a collaborative control cycle is different from the condensation risk level after a collaborative control cycle, then execute S308. S308: If the condensation risk level is high risk level before a coordinated control cycle, the judgment result is marked as a reduction in condensation risk level. If the condensation risk level before a collaborative control cycle is medium risk level and the condensation risk level after a collaborative control cycle is low risk level or no risk level, the judgment result is marked as a decrease in condensation risk level. If the condensation risk level before a collaborative control cycle is medium risk level and the condensation risk level after a collaborative control cycle is high risk level, the judgment result is marked as an increase in condensation risk level. If the condensation risk level before a collaborative control cycle is low risk level and the condensation risk level after a collaborative control cycle is no risk level, the judgment result is marked as a decrease in condensation risk level. If the condensation risk level before a collaborative control cycle is low risk level and the condensation risk level after a collaborative control cycle is high risk or medium risk level, the judgment result is marked as an increase in condensation risk level. If the condensation risk level was no risk level before a coordinated control cycle, the judgment result is marked as an increase in the condensation risk level.

[0012] Preferably, in S3, the duration of the coordinated control cycle is adjusted based on the judgment result, specifically as follows: Obtain the coordinated control cycle, multiply the coordinated control cycle by 0.1 to get the adjustment duration of the coordinated control cycle, obtain the judgment result, if the judgment result is that the condensation risk level has not changed, then sum the coordinated control cycle with the adjustment duration of 1 coordinated control cycle to obtain the adjusted coordinated control cycle; If the judgment result is that the condensation risk level has been reduced, the adjusted collaborative control cycle is obtained by subtracting the collaborative control cycle from the adjustment duration of one collaborative control cycle. If the judgment result is that the condensation risk level has increased, the adjusted collaborative control cycle is obtained by summing the collaborative control cycle with the adjustment duration of the two collaborative control cycles.

[0013] Preferably, in S3, the output power of the internal circulation fan, heater, and dehumidifier is adjusted according to the judgment result, specifically as follows: Obtain the current output power of the internal circulation fan, heater, and dehumidifier. Multiply the current output power of the internal circulation fan, heater, and dehumidifier by 0.1 to obtain the adjusted power of the internal circulation fan, heater, and dehumidifier, respectively. Obtain the judgment result. If the judgment result is that the condensation risk level has not changed, then sum the current output power of the internal circulation fan, heater, and dehumidifier with one adjusted power of the internal circulation fan, heater, and dehumidifier, respectively, to obtain the adjusted output power of the circulation fan, heater, and dehumidifier. If the judgment result is that the condensation risk level has been reduced, the current output power of the internal circulation fan, heater and dehumidifier is subtracted from the adjusted power of the internal circulation fan, heater and dehumidifier by one, respectively, to obtain the adjusted output power of the circulation fan, heater and dehumidifier. If the judgment result indicates an increased risk level of condensation, the current output power of the internal circulation fan, heater, and dehumidifier is summed with the adjusted power of the two internal circulation fans, the adjusted power of the heater, and the adjusted power of the dehumidifier to obtain the adjusted output power of the circulation fan, heater, and dehumidifier.

[0014] (III) Beneficial Effects This invention provides a collaborative control method for preventing condensation in charging main unit cabinets, which has the following beneficial effects: (1) In this scheme, the condensation risk is divided into four condensation risk levels: no risk level, low risk level, medium risk level and high risk level. This makes it easier to implement different collaborative control strategies according to the condensation risk level. It also makes it easier to make targeted adjustments according to the real-time temperature environment in the charging host cabinet. Furthermore, it facilitates the coordinated work of monitoring data, prediction data and mechanical equipment such as heaters, dehumidifiers, internal circulation fans and ventilation regulating valves to accurately control the temperature environment of the charging host cabinet. This helps to avoid data silos and facilitates intelligent and automated temperature regulation. It also helps to avoid the problem of condensation forming before control action and avoids the problem of uneven local temperature and humidity and the conflict between heat dissipation and anti-condensation.

[0015] (2) In this scheme, control is achieved during the execution phase of the collaborative control strategy by setting a collaborative control cycle. Then, based on the change in the condensation risk level after one collaborative control cycle, the on-time of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve is adjusted. This allows for gradual, gradient-based addition of time when the time is insufficient and gradual, gradient-based reduction of time when the time is excessive. This is beneficial for intelligently and automatically adjusting the on-time of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve according to the environmental changes of the charging main unit cabinet. At the same time, the on-time of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve is adjusted according to the change in the condensation risk level. The output power of the mechanical equipment is adjusted to allow for gradual, gradient-based increases in output power when it is too low and gradual, gradient-based decreases in output power when it is too high. This facilitates intelligent and automated adjustment of the output power of the heaters, dehumidifiers, internal circulation fans, and ventilation regulating valves based on environmental changes in the charging cabinet. This helps avoid the problem of condensation forming before control due to slow adjustment, and also helps avoid energy waste. Ultimately, this process achieves a holistic anti-condensation collaborative control of the charging cabinet, from monitoring to prediction, from data prediction to intelligent adjustment of mechanical equipment, and from intelligent adjustment of mechanical equipment to threshold self-learning optimization, reducing manual intervention and saving manpower. Attached Figure Description

[0016] Figure 1 This is a flowchart of a collaborative control method for preventing condensation in a charging main unit cabinet according to the present invention. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figure 1 This invention provides a collaborative control method for preventing condensation in charging main unit cabinets, comprising the following steps: S1: Deploy temperature sensors and dew point meters inside the charging main unit cabinet to collect the temperature and dew point temperature inside the charging main unit cabinet in real time, and predict the future dew point temperature by using historical dew point temperature data. S2: Based on the temperature difference between the current temperature and the predicted dew point temperature, the condensation risk is divided into four condensation risk levels: no risk level, low risk level, medium risk level and high risk level. The condensation risk level is determined based on the temperature difference. Based on the condensation risk level, the internal circulation fan, heater, dehumidifier and ventilation regulating valve are controlled to perform a coordinated control strategy. S3: Set a collaborative control cycle, execute the collaborative control strategy according to the collaborative control cycle, determine whether the condensation risk level has decreased after one collaborative control cycle, adjust the duration of the collaborative control cycle according to the judgment result, adjust the output power of the internal circulation fan, heater and dehumidifier according to the judgment result, and repeat S2 after one collaborative control cycle until the condensation risk level is no risk level.

[0019] In this embodiment, the predicted dew point temperature is obtained by predicting the future dew point temperature using historical dew point temperature data. This facilitates the adjustment of the temperature environment inside the charging main unit cabinet in advance, thereby helping to avoid monitoring data lag and thus helping to avoid the problem of condensation forming before the control action. This solution categorizes condensation risk into four levels: no risk, low risk, medium risk, and high risk. This facilitates the implementation of different collaborative control strategies based on the condensation risk level, enabling targeted adjustments based on the real-time temperature environment within the charging cabinet. Furthermore, it allows for the coordinated and precise control of the charging cabinet's temperature environment by integrating monitoring data, forecast data, and mechanical equipment such as heaters, dehumidifiers, internal circulation fans, and ventilation regulating valves. This approach helps avoid data silos and facilitates intelligent and automated temperature regulation. It also helps prevent condensation formation from preceding control actions and avoids conflicts between localized temperature and humidity imbalances and heat dissipation and condensation prevention. This solution achieves control during the execution phase of the collaborative control strategy by setting a collaborative control cycle. Based on changes in the condensation risk level after one collaborative control cycle, the operating duration of the heaters, dehumidifiers, internal circulation fans, and ventilation control valves is adjusted. This allows for a gradual, incremental increase in operating time when insufficient time is needed, and a gradual, incremental decrease in operating time when excessive time is required. This facilitates intelligent and automated adjustment of the operating duration of the heaters, dehumidifiers, internal circulation fans, and ventilation control valves according to changes in the charging cabinet environment. Simultaneously, it adjusts the operating duration of the heaters, dehumidifiers, internal circulation fans, and ventilation control valves based on changes in the condensation risk level. The system allows for the gradual, gradient-based increase of output power when the power is too low and the gradual, gradient-based decrease of output power when the power is too high. This enables intelligent and automated adjustment of the output power of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve based on environmental changes in the charging cabinet. This helps avoid the problem of condensation forming before control due to slow adjustment, and also helps avoid energy waste. Ultimately, it achieves an integrated anti-condensation collaborative control of the charging cabinet, from monitoring to prediction, from data prediction to intelligent adjustment of mechanical equipment, and from intelligent adjustment of mechanical equipment to threshold self-learning optimization, reducing manual intervention and saving manpower.

[0020] In S1, the predicted dew point temperature is obtained by predicting the future dew point temperature using historical dew point temperature data, specifically as follows: S101: Set the measurement cycle, obtain the dew point temperature of the ten measurement cycles up to the current time, mark it as the historical dew point temperature, and subtract the last nine historical dew point temperatures from the previous historical dew point temperature to obtain the nine historical dew point temperature differences. S102: Sum the nine historical dew point temperature differences and take the mean value to obtain the mean change value. Obtain the current dew point temperature, and sum the current dew point temperature with the mean change value to obtain the predicted dew point temperature.

[0021] In this embodiment, the predicted dew point temperature is obtained by predicting the future dew point temperature using historical dew point temperature data. This facilitates the adjustment of the temperature environment inside the charging main unit cabinet in advance, thereby helping to avoid the problem of monitoring data lag and thus preventing condensation formation from preceding the control action.

[0022] In S2, the temperature difference is obtained based on the current temperature and the predicted dew point temperature, specifically: S201: Obtain the current temperature of different areas inside the charging host cabinet, and sum and average the current temperatures of different areas inside the charging host cabinet to obtain the overall current temperature; S202: Obtain the predicted dew point temperature by subtracting the predicted dew point temperature from the overall current temperature; In S2, condensation risk is divided into four levels: no risk, low risk, medium risk, and high risk. The condensation risk level is determined based on the temperature difference, as follows: S203: Obtain the temperature difference and determine whether the temperature difference is greater than 7℃. If the temperature difference is greater than 7℃, it is determined to be at a no-risk level. If the temperature difference is less than or equal to 7℃, then execute S204. S204: Determine if the temperature difference is greater than 5℃. If the temperature difference is greater than 5℃, it is judged as a low-risk level. If the temperature difference is less than or equal to 5℃, then execute S205. S205: Determine if the temperature difference is greater than 3℃. If the temperature difference is greater than 3℃, it is judged as medium risk level. If the temperature difference is less than or equal to 3℃, it is judged as high risk level. In this embodiment, condensation risk is divided into four levels: no risk, low risk, medium risk, and high risk. This facilitates the implementation of different collaborative control strategies based on the condensation risk level, and allows for targeted adjustments based on the real-time temperature environment within the charging cabinet. Furthermore, it facilitates the coordinated operation of monitoring data, predictive data, and mechanical equipment such as heaters, dehumidifiers, internal circulation fans, and ventilation regulating valves to precisely control the temperature environment of the charging cabinet. This helps avoid data silos and enables intelligent automated temperature regulation. It also helps prevent condensation formation from preceding control actions and avoids conflicts between localized temperature and humidity imbalances and heat dissipation and condensation prevention.

[0023] In S2, a coordinated control strategy is implemented to control the operation of the internal circulation fan, heater, dehumidifier, and ventilation regulating valve based on the condensation risk level. Specifically: S206: Obtain the current condensation risk level, determine whether the current condensation risk level is a risk-free level. If the current condensation risk level is a risk-free level, fully open the ventilation regulating valve and repeat S1. If the current condensation risk level is not a risk-free level, execute S207. S207: Determine whether the current condensation risk level is low. If the current condensation risk level is low, partially open the ventilation regulating valve and turn on the internal circulation fan to force air convection in the cabinet and equalize the temperature and humidity distribution in each area. If the current condensation risk level is not low, execute S208. S208: Determine whether the current condensation risk level is medium risk level. If the current condensation risk level is medium risk level, turn on the heater to increase the temperature inside the charging host cabinet, and at the same time partially open the ventilation regulating valve. If the current condensation risk level is not medium risk level, execute S209. S209: Completely close the ventilation regulating valve, turn on the dehumidifier to reduce the humidity inside the charging unit cabinet, and turn on the heater to increase the temperature inside the charging unit cabinet.

[0024] In this embodiment, the core advantage of this collaborative control strategy lies in achieving a precise balance between anti-condensation effect and operating energy consumption. At low risk levels, only the internal circulation fan is activated, and the temperature and humidity field inside the cabinet is homogenized through forced convection. This eliminates local micro-environmental differences with extremely low power consumption, controlling the risk of condensation at its inception and avoiding ineffective activation of the actuators. At medium risk levels, selective local heating is used, heating only weak points such as cold surfaces and inlets, ensuring that the surface temperature of these condensation-prone areas is always higher than the dew point temperature. At the same time, normal ventilation of the main power heat dissipation channel is maintained, which not only precisely blocks the physical conditions for condensation formation but also avoids direct conflict between heating and heat dissipation requirements, achieving decoupling and coexistence of anti-condensation and equipment heat dissipation. At high risk levels, strong intervention measures are taken, cutting off the source of high-humidity air by closing the external air inlet valve. At the same time, active dehumidification and global heating are activated in tandem to rapidly increase the overall temperature inside the cabinet and reduce absolute humidity until the temperature of all areas inside the cabinet is stably higher than the predicted dew point temperature, fundamentally eliminating the risk of condensation before resuming normal mode, avoiding energy waste caused by repeated start-stop cycles.

[0025] In S3, a collaborative control cycle is set, and the collaborative control strategy is executed according to the collaborative control cycle, specifically as follows: S301: Set the coordinated control cycle, obtain the coordinated control strategy, determine whether the current coordinated control strategy is to fully open the ventilation regulating valve. If the current coordinated control strategy is to fully open the ventilation regulating valve, the duration of fully opening the ventilation regulating valve is the coordinated control cycle. After the countdown of the coordinated control cycle ends, repeat S2. S302: Determine whether the current collaborative control strategy is to partially open the ventilation regulating valve. If the current collaborative control strategy is to partially open the ventilation regulating valve, the duration of the partial opening of the ventilation regulating valve is the collaborative control cycle. After the countdown of the collaborative control cycle ends, repeat S2. S303: Determine whether the current coordinated control strategy is to completely close the ventilation regulating valve. If the current coordinated control strategy is to completely close the ventilation regulating valve, the duration of completely closing the ventilation regulating valve is the coordinated control cycle. After the countdown of the coordinated control cycle ends, repeat S2. S304: Determine whether the current collaborative control strategy is to turn on the internal circulation fan. If the current collaborative control strategy is to turn on the internal circulation fan, the duration of turning on the internal circulation fan is the collaborative control cycle. After the countdown of the collaborative control cycle ends, repeat S2. S305: Determine whether the current cooperative control strategy is to turn on the heater. If the current cooperative control strategy is to turn on the heater, the duration of turning on the heater is the cooperative control cycle. After the countdown of the cooperative control cycle ends, repeat S2. S306: Determine whether the current collaborative control strategy is to turn on the dehumidifier. If the current collaborative control strategy is to turn on the dehumidifier, the duration of the dehumidifier being turned on is the collaborative control cycle. After the collaborative control cycle countdown ends, repeat S2. In S3, the determination of whether the condensation risk level has decreased after a coordinated control cycle is as follows: S307: Obtain the condensation risk level before a collaborative control cycle, obtain the condensation risk level after a collaborative control cycle, and determine whether the condensation risk level before a collaborative control cycle is the same as the condensation risk level after a collaborative control cycle. If the condensation risk level before a collaborative control cycle is the same as the condensation risk level after a collaborative control cycle, the determination result is marked as the condensation risk level has not changed. If the condensation risk level before a collaborative control cycle is different from the condensation risk level after a collaborative control cycle, then execute S308. S308: If the condensation risk level is high risk level before a coordinated control cycle, the judgment result is marked as a reduction in condensation risk level. If the condensation risk level before a collaborative control cycle is medium risk level and the condensation risk level after a collaborative control cycle is low risk level or no risk level, the judgment result is marked as a decrease in condensation risk level. If the condensation risk level before a collaborative control cycle is medium risk level and the condensation risk level after a collaborative control cycle is high risk level, the judgment result is marked as an increase in condensation risk level. If the condensation risk level before a collaborative control cycle is low risk level and the condensation risk level after a collaborative control cycle is no risk level, the judgment result is marked as a decrease in condensation risk level. If the condensation risk level before a collaborative control cycle is low risk level and the condensation risk level after a collaborative control cycle is high risk or medium risk level, the judgment result is marked as an increase in condensation risk level. If the condensation risk level was no risk level before a coordinated control cycle, the judgment result is marked as an increase in the condensation risk level. In S3, the duration of the coordinated control cycle is adjusted based on the judgment result, specifically as follows: Obtain the coordinated control cycle, multiply the coordinated control cycle by 0.1 to get the adjustment duration of the coordinated control cycle, obtain the judgment result, if the judgment result is that the condensation risk level has not changed, then sum the coordinated control cycle with the adjustment duration of 1 coordinated control cycle to obtain the adjusted coordinated control cycle; If the judgment result is that the condensation risk level has been reduced, the adjusted collaborative control cycle is obtained by subtracting the collaborative control cycle from the adjustment duration of one collaborative control cycle. If the judgment result is that the condensation risk level has increased, the adjusted collaborative control cycle is obtained by summing the collaborative control cycle with the adjustment duration of the two collaborative control cycles.

[0026] In this embodiment, control is achieved during the execution phase of the collaborative control strategy by setting a collaborative control cycle. Then, based on the change in the condensation risk level after one collaborative control cycle, the on-time of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve is adjusted. This allows for a gradual increase in duration when insufficient and a gradual decrease in duration when excessive. This facilitates intelligent and automated adjustment of the on-time of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve according to environmental changes in the charging cabinet. This helps avoid the problem of condensation forming before control due to slow adjustment and also helps avoid energy waste. Ultimately, this achieves an integrated anti-condensation collaborative control of the charging cabinet, from monitoring to prediction, from data prediction to intelligent adjustment of mechanical equipment, and from intelligent adjustment of mechanical equipment to threshold self-learning optimization, reducing manual intervention and saving manpower.

[0027] In S3, the output power of the internal circulation fan, heater, and dehumidifier is adjusted based on the judgment result, specifically as follows: Obtain the current output power of the internal circulation fan, heater, and dehumidifier. Multiply the current output power of the internal circulation fan, heater, and dehumidifier by 0.1 to obtain the adjusted power of the internal circulation fan, heater, and dehumidifier, respectively. Obtain the judgment result. If the judgment result is that the condensation risk level has not changed, then sum the current output power of the internal circulation fan, heater, and dehumidifier with one adjusted power of the internal circulation fan, heater, and dehumidifier, respectively, to obtain the adjusted output power of the circulation fan, heater, and dehumidifier. If the judgment result is that the condensation risk level has been reduced, the current output power of the internal circulation fan, heater and dehumidifier is subtracted from the adjusted power of the internal circulation fan, heater and dehumidifier by one, respectively, to obtain the adjusted output power of the circulation fan, heater and dehumidifier. If the judgment result indicates an increased risk level of condensation, the current output power of the internal circulation fan, heater, and dehumidifier is summed with the adjusted power of the two internal circulation fans, the adjusted power of the heater, and the adjusted power of the dehumidifier to obtain the adjusted output power of the circulation fan, heater, and dehumidifier.

[0028] In this embodiment, the output power of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve is adjusted according to changes in the condensation risk level. This allows for a gradual increase in output power when the power is too low and a gradual decrease in output power when the power is too high. This enables intelligent and automated adjustment of the output power of the heater, dehumidifier, internal circulation fan, and ventilation regulating valve based on environmental changes in the charging cabinet. This helps avoid the problem of condensation forming before control due to slow adjustment and also helps avoid energy waste. Ultimately, this achieves an integrated anti-condensation collaborative control of the charging cabinet, from monitoring to prediction, from data prediction to intelligent adjustment of mechanical equipment, and from intelligent adjustment of mechanical equipment to threshold self-learning optimization, reducing manual intervention and saving manpower.

[0029] The above embodiments can be implemented, in whole or in part, by software, hardware, firmware, or any other combination thereof. When implemented in software, the above embodiments can be implemented, in whole or in part, as a computer program product. Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution.

[0030] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0031] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application.

Claims

1. A collaborative control method for preventing condensation in a charging main unit cabinet, characterized in that, Includes the following steps: S1: Deploy temperature sensors and dew point meters inside the charging main unit cabinet to collect the temperature and dew point temperature inside the charging main unit cabinet in real time, and predict the future dew point temperature by using historical dew point temperature data. S2: Based on the temperature difference between the current temperature and the predicted dew point temperature, the condensation risk is divided into four condensation risk levels: no risk level, low risk level, medium risk level and high risk level. The condensation risk level is determined based on the temperature difference. Based on the condensation risk level, the internal circulation fan, heater, dehumidifier and ventilation regulating valve are controlled to perform a coordinated control strategy. S3: Set a collaborative control cycle, execute the collaborative control strategy according to the collaborative control cycle, determine whether the condensation risk level has decreased after one collaborative control cycle, adjust the duration of the collaborative control cycle according to the judgment result, adjust the output power of the internal circulation fan, heater and dehumidifier according to the judgment result, and repeat S2 after one collaborative control cycle until the condensation risk level is no risk level.

2. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 1, characterized in that: In S1, the predicted dew point temperature is obtained by predicting the future dew point temperature using historical dew point temperature data, specifically as follows: S101: Set the measurement cycle, obtain the dew point temperature of the ten measurement cycles up to the current time, mark it as the historical dew point temperature, and subtract the last nine historical dew point temperatures from the previous historical dew point temperature to obtain the nine historical dew point temperature differences. S102: Sum the nine historical dew point temperature differences and take the mean value to obtain the mean change value. Obtain the current dew point temperature, and sum the current dew point temperature with the mean change value to obtain the predicted dew point temperature.

3. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 1, characterized in that: In S2, the temperature difference is obtained based on the current temperature and the predicted dew point temperature, specifically: S201: Obtain the current temperature of different areas inside the charging host cabinet, and sum and average the current temperatures of different areas inside the charging host cabinet to obtain the overall current temperature; S202: Obtain the predicted dew point temperature by subtracting the predicted dew point temperature from the overall current temperature.

4. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 1, characterized in that: In S2, condensation risk is divided into four levels: no risk, low risk, medium risk, and high risk. The condensation risk level is determined based on the temperature difference, as follows: S203: Obtain the temperature difference and determine whether the temperature difference is greater than 7℃. If the temperature difference is greater than 7℃, it is determined to be at a no-risk level. If the temperature difference is less than or equal to 7℃, then execute S204. S204: Determine if the temperature difference is greater than 5℃. If the temperature difference is greater than 5℃, it is judged as a low-risk level. If the temperature difference is less than or equal to 5℃, then execute S205. S205: Determine if the temperature difference is greater than 3℃. If the temperature difference is greater than 3℃, it is judged as medium risk level. If the temperature difference is less than or equal to 3℃, it is judged as high risk level.

5. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 1, characterized in that: In S2, a coordinated control strategy is implemented to control the operation of the internal circulation fan, heater, dehumidifier, and ventilation regulating valve based on the condensation risk level. Specifically: S206: Obtain the current condensation risk level, determine whether the current condensation risk level is a risk-free level. If the current condensation risk level is a risk-free level, fully open the ventilation regulating valve and repeat S1. If the current condensation risk level is not a risk-free level, execute S207. S207: Determine whether the current condensation risk level is low. If the current condensation risk level is low, partially open the ventilation regulating valve and turn on the internal circulation fan to force air convection in the cabinet and equalize the temperature and humidity distribution in each area. If the current condensation risk level is not low, execute S208. S208: Determine whether the current condensation risk level is medium risk level. If the current condensation risk level is medium risk level, turn on the heater to increase the temperature inside the charging host cabinet, and at the same time partially open the ventilation regulating valve. If the current condensation risk level is not medium risk level, execute S209. S209: Completely close the ventilation regulating valve, turn on the dehumidifier to reduce the humidity inside the charging unit cabinet, and turn on the heater to increase the temperature inside the charging unit cabinet.

6. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 5, characterized in that: In S3, a collaborative control cycle is set, and the collaborative control strategy is executed according to the collaborative control cycle, specifically as follows: S301: Set the coordinated control cycle, obtain the coordinated control strategy, determine whether the current coordinated control strategy is to fully open the ventilation regulating valve. If the current coordinated control strategy is to fully open the ventilation regulating valve, the duration of fully opening the ventilation regulating valve is the coordinated control cycle. After the countdown of the coordinated control cycle ends, repeat S2. S302: Determine whether the current collaborative control strategy is to partially open the ventilation regulating valve. If the current collaborative control strategy is to partially open the ventilation regulating valve, the duration of the partial opening of the ventilation regulating valve is the collaborative control cycle. After the countdown of the collaborative control cycle ends, repeat S2. S303: Determine whether the current coordinated control strategy is to completely close the ventilation regulating valve. If the current coordinated control strategy is to completely close the ventilation regulating valve, the duration of completely closing the ventilation regulating valve is the coordinated control cycle. After the countdown of the coordinated control cycle ends, repeat S2. S304: Determine whether the current collaborative control strategy is to turn on the internal circulation fan. If the current collaborative control strategy is to turn on the internal circulation fan, the duration of turning on the internal circulation fan is the collaborative control cycle. After the countdown of the collaborative control cycle ends, repeat S2. S305: Determine whether the current cooperative control strategy is to turn on the heater. If the current cooperative control strategy is to turn on the heater, the duration of turning on the heater is the cooperative control cycle. After the countdown of the cooperative control cycle ends, repeat S2. S306: Determine whether the current collaborative control strategy is to turn on the dehumidifier. If the current collaborative control strategy is to turn on the dehumidifier, the duration of the dehumidifier being turned on is the collaborative control cycle. After the collaborative control cycle countdown ends, repeat S2.

7. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 1, characterized in that: In S3, the determination of whether the condensation risk level has decreased after a coordinated control cycle is as follows: S307: Obtain the condensation risk level before a collaborative control cycle, obtain the condensation risk level after a collaborative control cycle, and determine whether the condensation risk level before a collaborative control cycle is the same as the condensation risk level after a collaborative control cycle. If the condensation risk level before a collaborative control cycle is the same as the condensation risk level after a collaborative control cycle, the determination result is marked as the condensation risk level has not changed. If the condensation risk level before a collaborative control cycle is different from the condensation risk level after a collaborative control cycle, then execute S308. S308: If the condensation risk level is high risk level before a coordinated control cycle, the judgment result is marked as a reduction in condensation risk level. If the condensation risk level before a collaborative control cycle is medium risk level and the condensation risk level after a collaborative control cycle is low risk level or no risk level, the judgment result is marked as a decrease in condensation risk level. If the condensation risk level before a collaborative control cycle is medium risk level and the condensation risk level after a collaborative control cycle is high risk level, the judgment result is marked as an increase in condensation risk level. If the condensation risk level before a collaborative control cycle is low risk level and the condensation risk level after a collaborative control cycle is no risk level, the judgment result is marked as a decrease in condensation risk level. If the condensation risk level before a collaborative control cycle is low risk level and the condensation risk level after a collaborative control cycle is high risk or medium risk level, the judgment result is marked as an increase in condensation risk level. If the condensation risk level was no risk level before a coordinated control cycle, the judgment result is marked as an increase in the condensation risk level.

8. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 1, characterized in that: In S3, the duration of the coordinated control cycle is adjusted based on the judgment result, specifically as follows: Obtain the coordinated control cycle, multiply the coordinated control cycle by 0.1 to get the adjustment duration of the coordinated control cycle, obtain the judgment result, if the judgment result is that the condensation risk level has not changed, then sum the coordinated control cycle with the adjustment duration of 1 coordinated control cycle to obtain the adjusted coordinated control cycle; If the judgment result is that the condensation risk level has been reduced, the difference between the collaborative control cycle and the adjustment duration of one collaborative control cycle is used to obtain the adjusted collaborative control cycle. If the judgment result is that the condensation risk level has increased, the adjusted collaborative control cycle is obtained by summing the collaborative control cycle with the adjustment duration of the two collaborative control cycles.

9. The collaborative control method for preventing condensation in a charging main unit cabinet according to claim 1, characterized in that: In S3, the output power of the internal circulation fan, heater, and dehumidifier is adjusted according to the judgment result, specifically as follows: Obtain the current output power of the internal circulation fan, heater, and dehumidifier. Multiply the current output power of the internal circulation fan, heater, and dehumidifier by 0.1 to obtain the adjusted power of the internal circulation fan, heater, and dehumidifier, respectively. Obtain the judgment result. If the judgment result is that the condensation risk level has not changed, then sum the current output power of the internal circulation fan, heater, and dehumidifier with one adjusted power of the internal circulation fan, heater, and dehumidifier, respectively, to obtain the adjusted output power of the circulation fan, heater, and dehumidifier. If the judgment result is that the condensation risk level has been reduced, the current output power of the internal circulation fan, heater and dehumidifier is subtracted from the adjusted power of the internal circulation fan, heater and dehumidifier by one, respectively, to obtain the adjusted output power of the circulation fan, heater and dehumidifier. If the judgment result indicates an increased risk level of condensation, the current output power of the internal circulation fan, heater, and dehumidifier is summed with the adjusted power of the two internal circulation fans, the adjusted power of the heater, and the adjusted power of the dehumidifier to obtain the adjusted output power of the circulation fan, heater, and dehumidifier.

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