Automatic temperature control air disturbance constant-power charging energy storage system for water-based flooded battery

Abstract

The invention relates to an automatic temperature-control air disturbance constant-power charging energy storage system for a water-based flooded battery, and the system comprises an air disturbance unit which conveys gas into the battery, the air disturbance unit comprises an air guide pipe, the air guide pipe is vertically inserted into the battery, a plurality of air holes are distributed in the surface of the air guide pipe, and the air guide pipe is used for injecting the gas into an electrolyte of the battery in a bubble form; the temperature adjusting unit adjusts the gas temperature input into the battery by the air disturbance unit, the acquisition module acquires the electrical parameters and temperature parameters of the battery, and the control unit controls the start and stop of the air disturbance unit according to the electrical parameters and the gas pressure and gas flow input into the battery, and controls the temperature adjusting unit according to the temperature parameters. According to the invention, the problems of low charging efficiency and short service life of the water-based flooded battery are solved. The temperature of the battery is kept in a suitable range by controlling the temperature of the input gas, the charging efficiency of the battery is improved, electrolyte layering is avoided through the air disturbance unit, and the service life of the battery is prolonged.

Description

Technical Field

[0001] This application relates to the technical field of aqueous rich-liquid battery energy storage applications, and particularly to an automatic temperature-controlled air-disturbance constant-power charging energy storage system for aqueous rich-liquid batteries. Background Art

[0002] Aqueous rich-liquid batteries are used as backup power sources in application scenarios such as communication base stations and data center UPSs, and are in a floating charge state for a long time. The ion diffusion of the electrolyte is always ongoing, making the acid concentration uniform everywhere. However, in energy storage application conditions, the battery needs to perform frequent charge / discharge cycle operations. Due to the change in electrolyte concentration, that is, the change in electrolyte specific gravity, electrolyte stratification occurs. As the number of charge / discharge cycles increases, the electrolyte concentration difference between the top and bottom of the battery increases, especially in the case of tall batteries. The continuous increase in the electrolyte concentration at the bottom of the battery will damage the positive / negative plates. When operating in too high an acid concentration, the positive plate grid is prone to corrosion, and the negative plate is prone to irreversible sulfation, resulting in a decrease in battery capacity and charging acceptance ability. In addition, if the electrolyte is not fully mixed, it will also lead to uneven current distribution on the positive and negative plates and a decrease in the battery's charging acceptance ability.

[0003] Currently, no effective solutions have been proposed for the problems of low charging efficiency and short service life of aqueous rich-liquid batteries in related technologies. Summary of the Invention

[0004] Embodiments of this application provide an automatic temperature-controlled air-disturbance constant-power charging energy storage system for aqueous rich-liquid batteries to at least solve the problems of low charging efficiency and short service life of aqueous rich-liquid batteries in related technologies.

[0005] In a first aspect, embodiments of this application provide an automatic temperature-controlled air-disturbance constant-power charging energy storage system for aqueous rich-liquid batteries, and the system includes: An air-disturbance unit for delivering gas into the battery. The air-disturbance unit includes a gas pipe that is vertically inserted into the battery and has a plurality of air holes on its surface for injecting the gas into the electrolyte of the battery in the form of bubbles; A temperature-regulating unit for regulating the temperature of the gas input into the battery by the air-disturbance unit; An acquisition module for acquiring the electrical parameters and temperature parameters of the battery; A control unit for controlling the start and stop of the air-disturbance unit according to the electrical parameters, as well as the gas pressure and gas flow rate input into the battery, and controlling the temperature-regulating unit according to the temperature parameters to regulate the gas temperature.

[0006] In some of these embodiments, the air duct adopts a tapered contraction structure, the diameter of the air holes on the air duct gradually increases from top to bottom, and there is a spacing between the end of the air duct and the bottom end face of the battery.

[0007] In some of these embodiments, the air disturbance unit includes: an air compressor, a gas purification device, a gas storage tank, and a gas pipeline. The gas output end of the air compressor is connected to the gas input end of the gas purification device, the gas output end of the gas purification device is connected to the gas input end of the gas storage tank, and the gas output end of the gas pipeline is connected to the gas input end of the air duct. The air compressor is used to provide compressed air. The gas purification device is used to purify the compressed air provided by the air compressor. The gas storage tank is used to store the purified compressed air. The gas pipeline is used to transport the compressed air into each battery.

[0008] In some of these embodiments, the gas output end of the gas storage tank is connected to the gas input end of the temperature regulation unit, the gas output end of the temperature regulation unit is connected to the gas input end of the gas pipeline, and the compressed air in the gas storage tank enters the gas pipeline after passing through the temperature regulation unit. The temperature regulation unit includes a cooling unit and a heat exchanger, and the cooling unit and the heat exchanger work together to control the temperature of the compressed air within a preset intake temperature range.

[0009] In some of these embodiments, the gas pipeline includes a main gas pipeline, and a constant pressure reducing valve is provided on the main gas pipeline, and the constant pressure reducing valve is used to control the air pressure value in the gas pipeline.

[0010] In some of these embodiments, the gas pipeline includes a main gas pipeline, and a flow regulating valve is provided on the main gas pipeline, and the flow regulating valve is used to control the gas flow rate in the gas pipeline.

[0011] In some of these embodiments, the system is used to control a battery cluster composed of multiple aqueous flooded batteries, the electrical parameters are the electrical parameters of the battery cluster, and the control unit includes an analysis module and a solenoid valve. The analysis module is used to analyze the electrical parameters to obtain the SOC value or the voltage value of the battery cluster, and generate a solenoid valve control instruction according to the SOC value or the voltage value of the battery cluster. The solenoid valve is used to respond to the solenoid valve control instruction to control the start and stop of the air disturbance unit.

[0012] In some of these embodiments, the analysis module includes: A first analysis module, configured to generate a first control instruction when the SOC value of the battery cluster is greater than a first SOC threshold or the voltage value of the battery cluster is greater than a first voltage threshold, where the first control instruction is used to control the solenoid valve to start the operation of the air disturbance unit; A second analysis module, configured to generate a second control instruction when the SOC value of the battery cluster is greater than a second SOC threshold or the voltage value of the battery cluster is greater than a second voltage threshold, where the second control instruction is used to control the solenoid valve to stop the operation of the air disturbance unit.

[0013] In some of these embodiments, the acquisition module includes a temperature sensor built into the battery, and the temperature sensor is sealed with a corrosion-resistant sleeve.

[0014] In some of these embodiments, the sleeve material of the temperature sensor is selected from any one of acid-resistant plastics such as PTFE, PP, ABS, PC-ABS, PPO, and PVC.

[0015] Compared with the related art, an automatic temperature-controlled air disturbance constant-power charging energy storage system for an aqueous rich-liquid battery provided by an embodiment of the present application conveys gas into the battery through an air disturbance unit. The air disturbance unit includes an air duct that is vertically inserted into the battery and has a plurality of pores on its surface for injecting the gas into the electrolyte of the battery in the form of bubbles. The temperature regulation unit regulates the temperature of the gas input into the battery by the air disturbance unit. The acquisition module acquires the electrical parameters and temperature parameters of the battery. The control unit controls the start and stop of the air disturbance unit according to the electrical parameters, as well as the gas pressure and gas flow rate input into the battery interior, and controls the temperature regulation unit according to the temperature parameters to adjust the gas temperature, solving the problems of low charging efficiency and short service life of the aqueous rich-liquid battery. By controlling the temperature of the input gas, the battery temperature is maintained within a suitable range, improving the consistency of the electrolyte ion concentration, ensuring that the active substances in different regions have the same reaction activity, enhancing the charging efficiency of the battery, thereby achieving constant-power charging of the battery. By using the air disturbance unit, electrolyte stratification is avoided, the charging efficiency is improved, and the service life of the battery is extended. Description of the Drawings

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings: Figure 1 is a structural block diagram of an automatic temperature-controlled air disturbance constant-power charging energy storage system for an aqueous rich-liquid battery according to an embodiment of the present application; Figure 2It is a schematic diagram of an automatic temperature control air disturbance constant power charging and energy storage system for an aqueous rich electrolyte battery according to an embodiment of the present application; Figure 3 It is a schematic diagram of an air duct according to an embodiment of the present application; Figure 4 It is a schematic diagram of a temperature sensor module according to an embodiment of the present application.

[0017] In each of the above figures, the meanings of the reference numerals are as follows: 1. Air disturbance unit; 11. Air compressor; 12. Gas purification device; 13. Gas storage tank; 14. Gas pipeline; 15. Air duct; 151. First rubber ring; 152. Air hole; 2. Temperature regulation unit; 21. Cooling unit; 22. Heat exchanger; 3. Acquisition module; 31. Temperature sensor module; 311. Second rubber ring; 312. Temperature sensor; 313. Temperature sensor sleeve; 32. Temperature signal transmission harness; 33. Charging voltage acquisition harness; 4. Control unit; 41. Constant pressure reducing valve; 42. Flow regulating valve; 43. Solenoid valve; 44. BMS temperature signal processing unit; 45. SOC calculation module of BMS; 46. BMS voltage signal processing module; 5. Battery cluster. Detailed implementation manners

[0018] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be described and explained below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments provided in the present application without creative efforts fall within the scope of protection of the present application.

[0019] Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application. For those of ordinary skill in the art, without creative efforts, the present application can also be applied to other similar scenarios based on these drawings. In addition, it can also be understood that although the efforts made in this development process may be complex and lengthy, for those of ordinary skill in the art related to the content disclosed in the present application, some design, manufacturing or production changes based on the technical content disclosed in the present application are only conventional technical means and should not be understood as the content disclosed in the present application being insufficient.

[0020] Reference to "embodiment" in this application means that the specific features, structures, or characteristics described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appearing at various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. It is explicitly and implicitly understood by those of ordinary skill in the art that the embodiments described in this application can be combined with other embodiments without conflict.

[0021] Unless otherwise defined, the technical terms or scientific terms involved in this application shall have the ordinary meaning understood by those with ordinary skills in the technical field to which this application pertains. The words such as "a", "an", "one kind", "the" and the like involved in this application do not represent a limitation in quantity and can represent a singular or plural number. The terms "comprising", "including", "having" and any variations thereof involved in this application are intended to cover non-exclusive inclusion; for example, a process, method, system, product or device including a series of steps or modules (units) is not limited to the listed steps or units, but may further include unlisted steps or units, or may further include other steps or units inherent to these processes, methods, products or devices. The terms "connected", "coupled" and the like involved in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The "plurality" involved in this application refers to two or more. "And / or" describes the association relationship of associated objects and indicates that three relationships may exist. For example, "A and / or B" may represent: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after. The terms "first", "second", "third" and the like involved in this application are only used to distinguish similar objects and do not represent a specific order for the objects.

[0022] This embodiment provides a water-based rich-liquid battery automatic temperature control air disturbance constant power charging and energy storage system. As used hereinafter, terms such as "module", "unit", "sub-unit" and the like can be a combination of software and / or hardware that can achieve a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware is also possible and contemplated.

[0023] Figure 1 is a structural block diagram of a water-based rich-liquid battery automatic temperature control air disturbance constant power charging and energy storage system according to an embodiment of this application, as Figure 1 shown, the system includes: an air disturbance unit 1, a temperature regulation unit 2, a collection module 3, and a control unit 4.

[0024] The air disturbance unit 1 is used to deliver gas into the battery. The air disturbance unit 1 includes an air duct 15 which is vertically inserted into the battery and has a number of pores on its surface for injecting gas into the electrolyte of the battery in the form of bubbles.

[0025] Figure 2 It is a schematic diagram of an automatic temperature-controlled air disturbance constant-power charging energy storage system for an aqueous rich-liquid battery according to an embodiment of the present application. As Figure 2 shown, the air disturbance unit includes an air compressor 11, a gas purification device 12, a gas storage tank 13, a gas pipeline 14, and an air duct 15.

[0026] Figure 3 It is a schematic diagram of an air duct according to an embodiment of the present application. As Figure 3 shown, the air duct 15 is sealed with a first rubber ring 151 between the air duct and the battery cover. Gas enters the electrolyte through the pores 152 on the air duct 15, which plays a role in stirring the electrolyte, reducing electrolyte stratification, improving the consistency of electrolyte ion concentration, ensuring that the active substances in different regions have the same reaction activity, effectively enhancing the charging acceptance ability of the battery, and thus enabling constant-power charging of the storage battery.

[0027] In some embodiments, the air duct adopts a tapered contraction structure, the diameter of the pores on the air duct gradually increases from top to bottom, and there is a spacing between the end of the air duct and the bottom end face of the battery.

[0028] The distance between the end of the air duct and the bottom end face of the battery is within a preset range (e.g., 4 - 5 cm). The air duct extends deep into the electrolyte, making the generated bubbles more evenly distributed in the electrolyte and having a better disturbance effect. Preferably, the angle range of the tapered contraction structure is 15° - 30°.

[0029] The temperature regulation unit 2 is used to regulate the temperature of the gas input into the battery by the air disturbance unit.

[0030] The intake air temperature is regulated according to the battery temperature. When the battery temperature is too high, the intake air temperature is reduced for cooling to keep the battery within a preset operating temperature range. It should be noted that the preset operating temperature range is the optimal temperature for the battery operation obtained through experiments. Operating the aqueous rich-liquid battery within the optimal operating temperature range can improve the consistency of electrolyte ion concentration, ensure that the active substances in different regions have the same reaction activity, effectively enhance the charging acceptance ability of the battery, and thus achieve constant-power charging of the battery.

[0031] The acquisition module 3 is used to acquire the electrical parameters and temperature parameters of the battery.

[0032] Optionally, the electrical parameters of the battery include voltage and current values. In this embodiment, the temperature parameter of the battery is collected by a temperature sensor. The collection module includes a temperature sensor module 31 and a temperature signal transmission wire harness 32.

[0033] In some embodiments, the collection module includes a temperature sensor built in the battery, and the temperature sensor is sealed with a corrosion-resistant sleeve. The sleeve material of the temperature sensor is selected from any one of acid-resistant plastics such as PTFE, PP, ABS, PC-ABS, PPO, and PVC.

[0034] The temperature sensor is sealed with a corrosion-resistant sleeve to prevent the temperature sensor probe from being corroded in the acid solution for a long time.

[0035] Figure 4 is a schematic diagram of a temperature sensor module according to an embodiment of the present application. As Figure 4 shown, the temperature sensor module 31 includes a second rubber ring 311, a temperature sensor 312, and a temperature sensor sleeve 313.

[0036] The temperature of each battery in the battery cluster is collected, transmitted, and processed by the BMS. The built-in temperature sensor 312 of the battery and the end of the temperature sensor sleeve 313 are inserted to a height of about 1 / 2 from the bottom of the battery case, and the temperature sensor sleeve 313 and the battery cover are sealed by a second rubber ring 311. The temperature collected by the temperature sensor 312 is transmitted to the BMS temperature signal processing unit 44 through the temperature signal transmission wire harness 32, and the BMS temperature signal processing unit 44 processes the temperature signals of the entire cluster of batteries.

[0037] The control unit 4 is configured to control the start and stop of the air disturbance unit according to the electrical parameters, as well as the gas pressure and gas flow input into the battery, and control the temperature adjustment unit according to the temperature parameter to adjust the gas temperature.

[0038] The start and stop of the air disturbance unit 1 are triggered by the SOC value or the voltage value of the battery cluster, and the start and stop of the temperature adjustment unit 2 are triggered by the output value of the BMS temperature signal processing unit 44.

[0039] Calculate the SOC value or the voltage value of the battery cluster through the electrical parameters, start the air disturbance unit according to the SOC value or the voltage value of the battery cluster, close the air disturbance unit after constant power charging to a predetermined SOC threshold range or battery cluster voltage range, and at the same time control the gas pressure and gas flow input into the battery according to the electrical parameters of the battery. By this method, the energy conversion efficiency of the battery is improved, the positive electrode corrosion and negative electrode sulfation are reduced, the battery capacity is maintained, the energy storage cost is reduced, the water decomposition, hydrogen, and oxygen emissions caused by overcharging are reduced, the acid mist emission is reduced, and the energy storage safety and environmental protection are improved. Further, by regularly performing maintenance equalizing charging and replenishing liquid, the cycle life of the battery is extended.

[0040] Through the above system, the air disturbance unit 1 conveys gas into the battery. The air disturbance unit includes an air duct which is vertically inserted into the battery and has a number of air holes on its surface for injecting the gas into the electrolyte of the battery in the form of bubbles. The temperature regulation unit 2 regulates the temperature of the gas input into the battery by the air disturbance unit. The acquisition module 3 acquires the electrical parameters and temperature parameters of the battery. The control unit 4 controls the start and stop of the air disturbance unit according to the electrical parameters, as well as the gas pressure and gas flow rate input into the battery interior, and controls the temperature regulation unit according to the temperature parameters to adjust the gas temperature, solving the problems of low charging efficiency and short service life of the aqueous flooded battery. By controlling the temperature of the input gas to keep the battery temperature within an appropriate range, the consistency of the electrolyte ion concentration is improved, ensuring that the active materials in different regions have the same reaction activity, enhancing the charging acceptance ability of the battery, thereby realizing the constant power charging of the battery. The air disturbance unit avoids the stratification of the electrolyte, improves the charging efficiency, and prolongs the service life of the battery.

[0041] In some embodiments, the air disturbance unit 1 includes: an air compressor 11, a gas purification device 12, a gas storage tank 13, and a gas pipeline 14.

[0042] The gas output end of the air compressor 11 is connected to the gas input end of the gas purification device 12. The gas output end of the gas purification device 12 is connected to the gas input end of the gas storage tank 13. The gas output end of the gas pipeline 14 is connected to the gas input end of the air duct 15.

[0043] The air compressor 11 is used to provide compressed air.

[0044] The gas purification device 12 is used to purify the compressed air provided by the air compressor.

[0045] The gas purification device 12 removes oil and water from the compressed air to prevent contamination of the electrolyte.

[0046] The gas storage tank 13 is used to store the purified compressed air.

[0047] The gas pipeline 14 is used to convey the compressed air into each battery interior.

[0048] The compressed air generated by the air compressor 11 enters the battery electrolyte after passing through the gas purification device 12, the gas storage tank 13, the gas pipeline 14, and the air duct 15 in sequence, thereby conveying gas to the battery electrolyte.

[0049] In some embodiments, the gas output end of the gas storage tank 13 is connected to the gas input end of the temperature regulation unit 2. The gas output end of the temperature regulation unit 2 is connected to the gas input end of the gas pipeline 14. The compressed air in the gas storage tank 13 enters the gas pipeline 14 after passing through the temperature regulation unit 2.

[0050] The temperature regulation unit 2 includes a cooling unit 21 and a heat exchanger 22. The cooling unit 21 and the heat exchanger 22 work together to control the temperature of the compressed air within a preset intake temperature range.

[0051] The refrigerant outlet of the cooling unit 21 is connected to the refrigerant inlet of the heat exchanger 22, and the refrigerant return port of the cooling unit 21 is respectively connected to the refrigerant outlet of the heat exchanger 22. The compressed air is cooled through the heat exchanger. Preferably, the refrigeration temperature range of the cooling unit is 5 - 25°C.

[0052] Use the temperature control output value as the trigger condition for starting or stopping the cooling unit 21. For example, during the charging process, when the average temperature inside the battery is higher than 30°C, the cooling unit 21 starts to refrigerate. When the average temperature inside the battery is lower than 20°C, the cooling unit 21 automatically stops refrigerating, so that the battery operates within the optimal working temperature range.

[0053] In some embodiments, the gas pipeline 14 includes a main gas pipeline, and a constant pressure reducing valve 41 is provided on the main gas pipeline. The constant pressure reducing valve 41 is used to control the air pressure value in the gas pipeline.

[0054] In some embodiments, the gas pipeline 14 includes a main gas pipeline, and a flow regulating valve 42 is provided on the main gas pipeline. The flow regulating valve 42 is used to control the gas flow rate in the gas pipeline.

[0055] In some embodiments, the system is used to control a battery cluster composed of multiple aqueous rich-liquid batteries, and the electrical parameters are the electrical parameters of the battery cluster. The control unit 4 includes an analysis module and a solenoid valve 43.

[0056] The analysis module is used to analyze the electrical parameters to obtain the SOC value or the voltage value of the battery cluster, and generate a solenoid valve control instruction according to the SOC value or the voltage value of the battery cluster; The solenoid valve 43 is used to respond to the solenoid valve control instruction to control the start and stop of the air disturbance unit.

[0057] Regulate the intake pressure of the entire cluster of batteries through the constant pressure reducing valve 41, regulate the gas flow rate of the entire cluster of batteries through the flow regulating valve 42, and control the start and stop of the gas disturbance system of the entire cluster of batteries through the solenoid valve 43.

[0058] In some embodiments, the analysis module includes: The first analysis module is used to generate a first control instruction when the SOC value of the battery cluster is greater than the first SOC threshold or the voltage value of the battery cluster is greater than the first voltage threshold. The first control instruction is used to control the solenoid valve to start the operation of the air disturbance unit.

[0059] After the battery cluster starts charging, the SOC value and voltage will gradually increase. When the SOC value or voltage is greater than the preset first threshold, the air disturbance unit is started.

[0060] The second analysis module is configured to generate a second control instruction when the SOC value of the battery cluster is greater than the second SOC threshold or the voltage value of the battery cluster is greater than the second voltage threshold. The second control instruction is used to control the solenoid valve to stop the operation of the air disturbance unit.

[0061] Reference Figure 2 , the control unit further includes the SOC calculation module 45 of the BMS and the BMS voltage signal processing module 46, and the acquisition module further includes the charging voltage acquisition harness 33. During the constant power charging process, the SOC value or voltage value of the battery cluster is used as the trigger condition for starting or closing the air disturbance system.

[0062] Preferably, the range of the second SOC threshold is 90 - 95%, and the range of the second voltage threshold is 2.4 - 2.45 V / cell * n strings, where n is the total number of batteries in the battery cluster, and the constant power charging power value is the rated energy of the battery at 2 - 10 hour rate / charging time h.

[0063] For example, the maximum discharge depth of the battery cluster is 75%. When the battery cluster starts charging, when the SOC value of the battery cluster is greater than 30% or the voltage value of the battery cluster reaches 2.15 V * n strings, the solenoid valve 43 automatically controls the air disturbance unit to start running; when the SOC value of the battery cluster reaches 95% or the voltage value of the battery cluster reaches 2.4 V / cell * n strings, the solenoid valve 43 automatically controls the air disturbance system to stop running, and at the same time the charging stops, and the battery cluster jumps to the static or discharging stage.

[0064] During the charging process with this control strategy, the battery will not be overcharged, the energy conversion efficiency of the battery is improved, and at the same time, water decomposition and acid mist emissions are reduced.

[0065] It should be noted that the above - mentioned each module can be a functional module or a program module, and can be implemented either by software or by hardware. For the modules implemented by hardware, the above - mentioned each module can be located in the same processor; or the above - mentioned each module can also be located in different processors in any combined form.

[0066] Those skilled in the art should understand that the technical features of the above - mentioned embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above - mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0067] The above-described embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An automatic temperature control air disturbance constant power charging and energy storage system for an aqueous rich liquid battery, characterized in that The system includes: An air disturbance unit for delivering gas into the battery. The air disturbance unit includes an air duct which is vertically inserted into the battery and has a plurality of air holes on its surface for injecting the gas into the electrolyte of the battery in the form of bubbles. A temperature regulation unit for regulating the temperature of the gas input into the battery by the air disturbance unit. An acquisition module for acquiring the electrical parameters and temperature parameters of the battery. A control unit for controlling the start and stop of the air disturbance unit according to the electrical parameters, as well as the gas pressure and gas flow rate input into the battery, and for controlling the temperature regulation unit according to the temperature parameters to regulate the gas temperature.

2. The system according to claim 1, wherein The air duct adopts a tapered contraction structure, the diameter of the air holes on the air duct gradually increases from top to bottom, and there is a spacing between the end of the air duct and the bottom end face of the battery.

3. The system according to claim 1, wherein The air disturbance unit includes: an air compressor, a gas purification device, a gas storage tank and a gas pipeline. The gas output end of the air compressor is connected to the gas input end of the gas purification device, the gas output end of the gas purification device is connected to the gas input end of the gas storage tank, and the gas output end of the gas pipeline is connected to the gas input end of the air duct. The air compressor is used to provide compressed air. The gas purification device is used to purify the compressed air provided by the air compressor. The gas storage tank is used to store the purified compressed air. The gas pipeline is used to deliver the compressed air into each battery.

4. The system according to claim 3, characterized in that, The gas output end of the gas storage tank is connected to the gas input end of the temperature regulation unit, the gas output end of the temperature regulation unit is connected to the gas input end of the gas pipeline, and the compressed air in the gas storage tank enters the gas pipeline after passing through the temperature regulation unit. The temperature regulation unit includes a cooling unit and a heat exchanger, and the cooling unit and the heat exchanger work together to control the temperature of the compressed air within a preset inlet temperature range.

5. The system according to claim 3, wherein The gas pipeline includes a main gas pipeline, and a constant pressure reducing valve is arranged on the main gas pipeline for controlling the gas pressure value in the gas pipeline.

6. The system according to claim 3, wherein The gas pipeline includes a main gas pipeline, and a flow regulating valve is arranged on the main gas pipeline for controlling the gas flow rate in the gas pipeline.

7. The system according to claim 1, wherein The system is used to control a battery cluster composed of multiple aqueous flooded batteries. The electrical parameters are the electrical parameters of the battery cluster. The control unit includes an analysis module and a solenoid valve. The analysis module is used to analyze the electrical parameters to obtain the SOC value or voltage value of the battery cluster, and generate a solenoid valve control instruction according to the SOC value or voltage value of the battery cluster. The solenoid valve is used to respond to the solenoid valve control instruction to control the start and stop of the air disturbance unit.

8. The system according to claim 7, characterized in that, The analysis module includes: A first analysis module for generating a first control instruction when the SOC value of the battery cluster is greater than a first SOC threshold or the voltage value of the battery cluster is greater than a first voltage threshold. The first control instruction is used to control the solenoid valve to make the air disturbance unit start running. The second analysis module is configured to generate a second control instruction when the SOC value of the battery cluster is greater than the second SOC threshold or the voltage value of the battery cluster is greater than the second voltage threshold, and the second control instruction is used to control the solenoid valve to stop the operation of the air disturbance unit.

9. The system according to claim 1, characterized in that The acquisition module includes a temperature sensor built in the battery, and the temperature sensor is sealed with a corrosion-resistant sleeve.

10. The system according to claim 9, characterized in that, The sleeve material of the temperature sensor is selected from any one of acid-resistant plastics such as PTFE, PP, ABS, PC-ABS, PPO, and PVC.

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