A battery system with heat dissipation

Abstract

The application discloses a battery system with heat dissipation, and relates to the technical field of batteries, comprising an estimated value processing module and a comparison module. The parameters of electrical elements are obtained and processed by the estimated value processing module to obtain estimated values. The comparison module obtains the estimated values obtained by the estimated value processing module, compares the estimated values with threshold values, obtains final results, and judges whether to start an early warning signal emitting module. When in use, the estimated value processing module and the comparison module are used to realize whether to send an early warning signal. The application divides the inside of a control box body into multiple temperature partitions, obtains temperature change curves corresponding to the temperature partitions, sends the obtained temperature change curves to a control terminal, and the control terminal judges the change of temperature. The application monitors the temperature adjustment trend when multiple loads or multiple batteries are used together through real-time change and trend simulation.

Description

Technical Field

[0001] This invention relates to the field of battery technology, specifically to a battery system with heat dissipation. Background Technology

[0002] In the field of battery technology, new energy storage and UPS systems are controlled by numerous electrical components. Many of these components are heat-generating elements, operating under the influence of current and generating heat during operation. Dissipating this heat is essential for ensuring the lifespan of these components. Common systems often involve two high-voltage systems, resulting in twice the number of electrical components compared to ordinary systems. Furthermore, the high currents during charging and discharging make them highly prone to overheating. Components such as relays, DC-DC power supplies, and common-cathode rectifier bridges are all heat-generating elements. Therefore, effective heat dissipation in the control box is crucial.

[0003] When the load controlled by the control box consists of multiple lines that can be disconnected at any time, or when the number of battery packs connected in series can be selected as needed, the control power of the electrical appliances inside the control box changes in real time according to the load or the number of battery packs. Therefore, the heating temperature of each electrical appliance varies depending on the load. Conventional heat dissipation devices, such as the battery heat dissipation system and method disclosed in Chinese patent document No. 202110892776.9, specifically disclose that when the charging control parameters meet the preset current adjustment conditions, the target charging current is recalculated based on the charging control parameters, and then the cooling power of the liquid cooling plate is increased during charging to achieve heat dissipation.

[0004] The aforementioned document can only control the charging current and the cooling power of the liquid cooling plate. When the actual temperature and the cooling temperature differ significantly, moisture in the air will condense on the liquid cooling plate, resulting in high humidity inside the control box. Furthermore, when the load consists of multiple lines that can be replaced at any time, the power of the control components inside the control box varies, and the aforementioned device cannot accurately handle the heat dissipation inside the control box. Summary of the Invention

[0005] The purpose of this invention is to provide a battery system with heat dissipation.

[0006] The technical problem solved by this invention is as follows: when the load controlled by the control box is multi-line and can be disconnected at any time, or when the number of battery packs connected in series can be selected as needed, the control power of the electrical appliances in the control box changes in real time according to the load or the number of battery packs. Therefore, the heating temperature of each electrical appliance is different depending on the load, and the above-mentioned device cannot accurately handle the heat dissipation in the control box; and it also solves the problem that when the actual temperature and the cooling temperature are significantly different, the moisture in the air will condense on the liquid cooling plate, resulting in high humidity in the control box.

[0007] The present invention can be achieved through the following technical solution: a battery system with heat dissipation, including a control box, a prediction processing module, a comparison module and a warning signal transmission module, wherein the control box is connected to the battery and the load and is used to control the battery and the load, and electrical components are provided inside the control box;

[0008] The parameters of electrical components are obtained and processed by the estimation processing module to obtain the estimation value, which is based on the load power value, number of batteries, line current and running time of the electrical components;

[0009] The comparison module obtains the estimated value from the estimated value processing module, compares the estimated value with the threshold, obtains the final result, and determines whether to activate the early warning signal transmission module.

[0010] The warning signal transmitting module transmits a signal to the user end, and controls the heat dissipation module to dissipate heat from the control box.

[0011] A further technical improvement of the present invention is that the estimated value processing module includes a value acquisition unit, a value processing unit and a result analysis unit. The value acquisition unit uses a control terminal to retrieve the load power value P and the running time T on the line. The load power value P is controlled by the line current I, voltage and the number of battery packs N. The running time T and the resistance value of the electrical components determine the heat generation of the electrical components.

[0012] The numerical processing unit uses the formula W = trP * tsT to obtain the estimated value W, where tr and ts are preset values; the result analysis unit obtains the current estimated value W and stores the estimated value W in the corresponding storage unit.

[0013] A further technical improvement of the present invention is that the working steps of the comparison module and the warning signal transmission module include: the control terminal is set with a first threshold W1, a second threshold W2 and a third threshold W3; the comparison module determines the relationship between the current estimated value W and the first threshold W1, the second threshold W2 and the third threshold W3; when the estimated value W is less than the first threshold W1, basic heat dissipation is adopted; when the estimated value W is between the first threshold W1 and the second threshold W2, intermediate heat dissipation is adopted; when the estimated value W is between the second threshold W2 and the third threshold W3, advanced heat dissipation is adopted, and the control terminal receives a warning signal and sends the warning signal to the user terminal through the warning signal transmission module.

[0014] A further technical improvement of the present invention is that it also includes a temperature sensing module, which includes an infrared sensing unit. The temperature distribution inside the control box is obtained through the infrared sensing unit. The control terminal divides the inside of the control box into several zones. The infrared sensing unit obtains the temperature change curves between the corresponding zones. The control terminal calculates the rate of temperature change according to a certain time period and determines whether the rate of temperature change exceeds a set value. If so, it determines that the temperature is abnormal and issues an early warning signal. The early warning signal is received by the user terminal.

[0015] A further technical improvement of the present invention is that it also includes an outdoor temperature consideration unit, used to change the values ​​of the first threshold W1, the second threshold W2, and the third threshold W3 by processing the outdoor temperature, the steps of which include:

[0016] The control terminal acquires the outdoor temperature and obtains an outdoor temperature curve. The control terminal monitors the outdoor temperature and determines to adjust the preset range of the first threshold W1, the second threshold W2, and the third threshold W3 when the outdoor temperature exceeds the preset value.

[0017] A further technical improvement of the present invention is that it also includes a rise prediction unit, which acquires a temperature change curve, simulates the temperature change curve, and obtains two sets of values, namely, the probability value of the danger value and the preset time of the danger value. The control terminal determines whether the cooling mode needs to be adjusted in advance based on the acquired probability value of the danger value and the preset time of the danger value.

[0018] A further technical improvement of the present invention is that: the rise prediction unit includes a prediction method, a historical critical data storage unit, and a prediction data storage unit. The prediction method uses a month-on-month dynamic ratio comparison prediction to obtain the analysis period value. The time simulation record corresponding to the analysis period value is the preset time of the danger value. The change amplitude of the month-on-month dynamic ratio is the danger value probability value. The comparison module stores the danger value probability value and the danger value preset time in the prediction data storage unit and compares them separately with the historical data in the historical critical data storage unit to determine whether the danger value probability value and the danger value preset time are abnormal.

[0019] A further technical improvement of the present invention is that: the basic heat dissipation and intermediate heat dissipation adopt two sets of symmetrically arranged first and second heat dissipation fans. The power of the first and second heat dissipation fans in the basic heat dissipation mode is less than that in the intermediate heat dissipation mode. The control box is divided into a first partition and a second partition. The first partition is provided with a first air outlet and the second partition is provided with a second air outlet.

[0020] A further technical improvement of the present invention is that: advanced heat dissipation includes setting a partition groove between the first partition and the second partition, wherein the partition groove is longitudinally stretched with a diaphragm by a stretching member to separate the first partition and the second partition.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. In use, this application employs infrared sensing to monitor the overall temperature change inside the control enclosure. The infrared sensing divides the enclosure into multiple temperature zones, monitoring each zone separately to obtain temperature change curves for each zone. Real-time monitoring of each zone is possible, and the obtained temperature change curves are sent to a control terminal. The control terminal analyzes the temperature curves and determines the temperature change. Furthermore, this application monitors the temperature adjustment trend when multiple loads or multiple batteries are used simultaneously through real-time changes and trend simulation. Specifically, real-time changes involve calculating the real-time rate of change of a single temperature change curve, recording the rate, and then averaging all previous rates of change. The difference between the rate of change and the average is calculated. If the difference exceeds a set value, it indicates... When abnormal temperature changes occur, an early warning signal is generated and sent to the user end for anomaly handling. This enables targeted temperature monitoring and rapid cooling of abnormal temperatures, or targeted cooling of electrical components that are already experiencing rapid temperature increases. Subsequently, for trend simulation, two sets of values ​​are obtained using the rise prediction unit: one is the probability value of the danger value, and the other is the preset time of the danger value. By acquiring these two sets of values ​​and uploading them to the terminal system for early warning, the control terminal determines whether the operating status of the fan assembly needs to be adjusted in advance. In other words, it can simulate and know the temperature changes of electrical components in advance, control the temperature of electrical components, solve common problems caused by high humidity, and automatically control the temperature through internal temperature sensing of electrical components, thereby improving the safety of battery system operation.

[0023] 2. Furthermore, this application employs basic, intermediate, and advanced heat dissipation methods to cool the control box. The basic and intermediate heat dissipation methods utilize conventional fans, allowing for fan rest periods to extend their lifespan. This also ensures that the cooling reaches components obstructed by electrical parts, guaranteeing uniform cooling. Additionally, the application uses an upward-moving traction rope to move the sliding seat and longitudinal support upwards, dividing the control box into two sections using a diaphragm. Then, the first and second cooling fans operate to rapidly cool the control box. During this process, two sets of cooling fans are activated, ensuring simultaneous cooling of all electrical components. Attached Figure Description

[0024] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0025] Figure 1 This is a system block diagram of the present invention;

[0026] Figure 2 This is a structural diagram of the internal structure of the control box of the present invention;

[0027] Figure 3 This is a schematic diagram of the control box partition of the present invention;

[0028] Figure 4 This is a schematic diagram of the steering device of the present invention;

[0029] Figure 5 This is a schematic diagram showing the location of the heat dissipation support base of the present invention;

[0030] Figure 6 This is a schematic diagram of the rotating roll position according to the present invention;

[0031] Figure 7 This is a schematic diagram of the tensioning component structure of the present invention.

[0032] In the diagram: 1. Control box; 2. DC-DC power supply; 3. First BMS protection board; 4. Second BMS protection board; 5. Pre-charge relay; 6. Start switch; 7. Pre-charge resistor; 8. Charging relay; 9. Discharging relay; 10. Common cathode rectifier bridge; 11. Shunt; 12. Output socket; 13. Air switch; 14. Fan assembly; 15. Internal communication socket; 16. Power line socket; 17. External communication socket; 18. First air outlet; 19. Second air outlet; 20. First partition; 21. Steering device; 22. First radiator 23. Heat fan; 24. Divider; 25. Second partition; 211. Second heat dissipation fan; 212. Adjustment motor; 213. Guide shell; 214. Heat dissipation support; 215. Heat dissipation fan blade; 216. Heat dissipation rotating shaft; 237. First rotating roll; 238. Second rotating roll; 239. Third rotating roll; 230. Rotating shaft; 231. Fixed seat; 232. Diaphragm; 231. Longitudinal support; 232. Traction roller; 233. Traction rope; 2310. Sliding seat; 2311. Sliding groove; 2312. Fourth rotating roll; 2313. Fifth rotating roll. Detailed Implementation

[0033] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided.

[0034] Please see Figure 1-7As shown, a battery system with heat dissipation includes a control box 1. In this application, the outside of the control box 1 is used to control the normal operation of the battery and to control the operating temperature of the electrical components inside the control box 1, thereby reducing the possibility that the temperature will be too high due to excessive operating frequency, which may affect the service life of the electrical components. Therefore, in this application, an independent system is set up to control the normal operation of the electrical components.

[0035] Firstly, in this application, the control box 1 is equipped with an internal communication socket 15 and an external communication socket 17, which are used to connect to the electrical components inside the control box 1 and the external control terminal, respectively. The output parameters of the electrical components inside the control box 1 are transmitted to the control terminal for processing. First, the control terminal retrieves the load power on the current line, calculates the current corresponding to the load power, and calculates the number of batteries currently connected. Through the load power value P, the number of batteries N, the line current I, and the running time T, the control terminal processes the data to obtain a set of estimated values ​​W, where W = trP * tsT, where tr and ts are preset values. The line current I and voltage, as well as the heat generated by the electrical components including the battery pack N, the running time T, and the resistance of the electrical components, can be used to calculate the load power value. In this application, the temperature level inside the control box 1 can be calculated through the estimated value W.

[0036] In this application, the control box 1 sends electrical parameters to the control terminal through the internal communication socket 15 and the external communication socket 17. After receiving the electrical parameters, the control terminal stores them in the storage module. The processing unit set in the control terminal retrieves the electrical parameters in the storage module, organizes the electrical parameters, first obtains the load power value P through the line current I and voltage, and according to the load used in this process, obtains a predicted value W of the relevant temperature based on the number of batteries N and the running time. The predicted value W is used to calculate the temperature level inside the current control box 1.

[0037] Specifically, three threshold levels are set: a first threshold W1, a second threshold W2, and a third threshold W3. The first threshold W1 is less than the second threshold W2, and the second threshold W2 is less than the third threshold W3. First threshold W1 is the starting threshold, and third threshold W3 is the ending threshold. Second threshold W2 is an adjustable threshold. That is, when the estimated value W is less than W1, basic heat dissipation can be performed. When the estimated value W is between W1 and W2 (including equal to W1 and W2), the heat dissipation power is increased to perform medium-level heat dissipation. When W is between W2 and W3, high-level heat dissipation is performed, and the control terminal receives a warning signal, which is sent to the user's mobile terminal and display screen to determine abnormal temperature. High-level heat dissipation also needs to be combined with real-time fault processing and detection to ensure rapid processing and response when a fault occurs or an abnormal temperature occurs. When W is greater than or equal to W3, the operation of the entire device needs to be stopped directly.

[0038] Firstly, in this application, a fan assembly 14 is provided on the control box 1 to dissipate heat inside the control box 1. Inside the control box 1, infrared sensing is used to determine the temperature change of the entire control box 1. The infrared sensing divides the control box 1 into multiple zones, and the temperature of multiple zones is monitored in real time. The temperature of multiple zones is recorded in the control terminal according to the time change. The control terminal calculates the temperature change rate over a period of time. When the temperature change rate of the zones is basically the same, it indicates that the temperature change inside the control box 1 is normal. When the temperature of most zones is basically the same, and only some areas have different change rates, it indicates that the temperature change inside the control box 1 is abnormal. It is necessary to cool down the abnormal temperature and send an early warning signal to the control terminal to monitor the abnormal point in real time.

[0039] Specifically, in this application, infrared sensing acquires the temperature distribution inside the control box 1. The control terminal divides the inside of the control box 1 into multiple partitions, namely 1, 2, 3...n, where n is a positive integer and n is greater than 1. The infrared-sensed temperatures are T1, T2...Tn, respectively, obtaining several sets of temperatures. With temperature as the vertical axis and time as the horizontal axis, n sets of temperature change curves are recorded. According to a certain time period Tw, the rate of temperature change is obtained. All the rate of temperature change within the same time period are recorded and averaged. The difference between each rate of change and the average value is calculated. If the difference exceeds a set value, it indicates that this set of change values ​​is abnormal. A set of warning signals is generated and sent to the user terminal. After the user terminal senses the abnormality, it processes the abnormality.

[0040] In this application, the heat dissipation assembly 14 is usually located on the side of the control box 1. However, electrical components generally have a certain height, and some electrical components may block some electrical components that are far away from the fan assembly 4, resulting in uneven heat dissipation of the electrical components. In addition, when the battery is in use, it may be used continuously, and only one set of cooling fans is used for heat dissipation. This set of cooling fans cannot be rested, resulting in excessive working time, which will also affect the service life of the cooling fans. Therefore, in this application, the fan assembly 14 includes a first cooling fan 22 and a second cooling fan 25. The first cooling fan 22 and the second cooling fan 25 are symmetrically arranged. Firstly, the control box 1 is divided into two sections, including a first section 20 and a second section 24, wherein the first section... The control box 1 includes a first cooling fan 22 and a second cooling fan 25. During use, the first cooling fan 22 and the second cooling fan 25 are used alternately to ensure that the first cooling fan 22 and the second cooling fan 25 have rest time and to ensure the service life of the first cooling fan 22 and the second cooling fan 25. The first cooling fan 22 and the second cooling fan 25 are located on both sides of the control box 1, which can also cool the covered electrical components. Moreover, the cooling effect of the cooling fan can avoid the impact of excessive humidity caused by using liquid cooling plate cooling. The cooling fan mainly uses air cooling to cool down, which can achieve reasonable cooling on the existing temperature and also ensure that the humidity inside the control box 1 does not change too much.

[0041] Specifically, basic heat dissipation is achieved through the alternating use of the first cooling fan 22 and the second cooling fan 25, ensuring uniform heat dissipation within the control box 1 and guaranteeing stable heat dissipation. Intermediate heat dissipation utilizes the rotational power of the first cooling fan 22 and the second cooling fan 25 for rapid cooling. During this process, the first cooling fan 22 and the second cooling fan 25 are also used alternately, with heat dissipation achieved simply by adjusting their rotational speeds. Advanced heat dissipation uses both the first cooling fan 22 and the second cooling fan 25 simultaneously. However, the airflow generated by the first cooling fan 22 and the second cooling fan 25 creates convection. Therefore, a partition 23 is provided inside the control box 1, with a tensioning component inside the partition 23 to isolate the first partition 20 and the second partition 24, guiding the airflow and ensuring that the first cooling fan 22 and the second cooling fan 25 can operate effectively. During this process, the power of the first cooling fan 22 and the second cooling fan 25 remains at maximum to achieve rapid cooling.

[0042] Firstly, a first air outlet 18 and a second air outlet 19 are provided on the side of the control box 1, with the first air outlet 18 located in the first partition 20 and the second air outlet 19 located on one side of the second partition 24. The tensioning component includes a first rotating roll 231, a second rotating roll 232, a third rotating roll 233, a fourth rotating roll 2312, and a fifth rotating roll 2313. These components are fixed inside the control box 1 and within the partition groove 23. The internal components are all wound with diaphragms 236. Each set of rotating rolls has a rotating shaft 234 on its side, and the rotating shaft 234 is rotatably connected to the fixed seat 235 through a torsion spring. That is, when the diaphragm 236 is pulled up, the rotating shaft 234 keeps the diaphragm 236 taut under the action of the torsion spring. Therefore, the diaphragm 236 can be used to divide the control box 1 into sections. After the sections are divided, the first cooling fan 22 controls the first air outlet 18 to cool the electrical components inside the first section 20, and the second cooling fan 25 controls the second air outlet 19 to cool the electrical components inside the second section 24. This ensures the cooling rate, but it will produce more noise and is only suitable for rapid cooling in abnormal situations.

[0043] The other end of the diaphragm 236 is fixed to the longitudinal support 237. A sliding seat 2310 is fixed to the side of the longitudinal support 237. A sliding groove 2311 is provided inside the control box 1. The sliding seat 2310 is slidably arranged inside the sliding groove 2311. A traction rope 239 is fixed on the sliding seat 2310. The end of the traction rope 239 is wound around the traction roller 238. The rotation of the traction roller 238 is controlled by a micro motor to realize the winding of the traction rope 239, thereby realizing the longitudinal movement of the longitudinal support 237, thereby pulling up the diaphragm 236, thus realizing the rapid cooling effect inside the control box 1.

[0044] When infrared sensors detect an abnormal temperature within a specific temperature zone, cooling fans are needed to centrally cool the abnormal temperature. In this application, a deflection device 21 is installed at the output ends of the first cooling fan 22 and the second cooling fan 25 to adjust the airflow concentration under special circumstances to achieve heat dissipation. Therefore, the deflection device 21 includes an adjustment motor 211, which is fixed inside the control box 1. A heat dissipation rotating shaft 215 is fixed at the output end of the adjustment motor 211, which is fixed on the guide shell 212. The guide shell 212 is funnel-shaped, and heat dissipation support seats 213 are fixed at the output ends of the first cooling fan 22 and the second cooling fan 25, respectively. The heat dissipation support seats 213 and the guide shell 212 are at a certain distance, so that the heat dissipation support seats 213 will not touch the guide shell 212 when it rotates, thus initially guiding the airflow to the location of the specific abnormal heat dissipation point.

[0045] This application also takes into account outdoor temperature. Since outdoor temperature affects the temperature change of electrical components during operation, especially in high-temperature conditions, the outdoor temperature itself is over 30 degrees Celsius. Even if the battery is placed in a cool place, it is still around 30 degrees Celsius. Outdoor temperature itself will affect electrical components, causing the electrical components to have a certain temperature. At this time, the preset range of the first threshold W1, the second threshold W2, and the third threshold W3 can be adjusted. That is, the control terminal will acquire the outdoor temperature in real time and sort the outdoor temperature according to time. By monitoring the outdoor temperature, when the outdoor temperature exceeds the preset temperature value, it is determined that the preset range of the first threshold W1, the second threshold W2, and the third threshold W3 needs to be adjusted.

[0046] Furthermore, this application also includes a rise prediction unit. In this application, abnormal temperatures within specific temperature zones are sensed by infrared sensors. The abnormal temperatures are further processed to calculate the temperature changes within each zone, resulting in a temperature change curve. The rise prediction unit acquires the change curve and simulates its trend, simulating the probability of the curve rising to a dangerous value and the time it would take to reach that dangerous value. The rise prediction unit ultimately obtains two sets of values: one is the probability value of the dangerous value, and the other is the preset time for the dangerous value. These two sets of values ​​are acquired and uploaded to the terminal system for early warning. The control terminal then determines whether the operating status of the fan assembly 14 needs to be adjusted in advance.

[0047] The rise prediction unit includes a prediction method, a historical critical data storage unit, and a prediction data storage unit. Firstly, the prediction method in this application uses a comparative prediction based on the month-on-month dynamic ratio. This dynamic ratio is calculated using the previous period's value as the base period value. The formula is: Month-on-month dynamic ratio = Analysis period value ÷ Previous period value. When the analysis period value reaches a certain value, the month-on-month dynamic ratio is obtained. The time when the analysis period value occurs is the preset time for the hazard value, and the magnitude of the change in the month-on-month dynamic ratio is the probability value of the hazard value. This yields the expected probability value of the hazard value and the preset time for the hazard value. These two values ​​are stored in the prediction data storage unit. A comparison unit is used to compare and analyze the probability value of the hazard value and the preset time for the hazard value with the corresponding data in the historical critical data storage unit to determine if the data is abnormal. If abnormal, an early warning is required to prevent losses in time. Especially when there is a possibility of a short circuit, the load on the branch circuit is small, and the temperature rises extremely quickly. An early warning allows the circuit to be directly disconnected, reducing the occurrence of dangerous events and ensuring high safety.

[0048] Inside the control box 1 are installed a DC-DC power supply 2, a first BMS protection board 3, a second BMS protection board 4, a pre-charge relay 5, a start switch 6, a pre-charge resistor 7, a charging relay 8, a discharging relay 9, a common cathode rectifier bridge 10, a shunt 11, an output socket 12, an air switch 13, and a power line socket 16, which are used to realize the control box 1 to control the battery, thereby controlling the normal operation of the battery system.

[0049] In use, this invention first employs infrared sensing to control the overall temperature change inside the control box 1. The infrared sensing divides the inside of the control box 1 into multiple temperature zones, monitors each temperature zone separately, and obtains temperature change curves corresponding to several temperature zones. This allows for real-time monitoring of each temperature zone, and the obtained temperature change curves are sent to the control terminal. The control terminal analyzes the temperature curves and determines the temperature change.

[0050] Specifically, this includes real-time changes and trend simulation. First, real-time changes involve calculating the real-time rate of change of a single temperature change curve. After recording the rate of change, the average of all previous rates of change is calculated. The difference between the rate of change and the average is then calculated. If the difference exceeds a set value, it indicates that the change value is abnormal, and an early warning signal is generated and sent to the user for abnormal handling. Then, for the trend simulation, two sets of values ​​are obtained using the rising prediction unit: one is the probability value of the danger value, and the other is the preset time of the danger value. These two sets of values ​​are obtained and uploaded to the terminal system for early warning. The control terminal then determines whether the working status of the fan assembly 14 needs to be adjusted in advance.

[0051] Meanwhile, in this application, the estimated value W is used to determine whether cooling needs to be adjusted. First, the output parameters of the electrical components inside the control box 1 are transmitted to the control terminal for processing. In the case of several loads or batteries, the appropriate temperature range value is calculated, that is, the estimated value W is obtained by W = trP * tsT. The estimated value W changes in real time. The range of the estimated value W is determined to achieve basic heat dissipation, intermediate heat dissipation and advanced heat dissipation.

[0052] In this application, basic heat dissipation utilizes the first cooling fan 22 and the second cooling fan 25 in a conventional manner, employing a conventional rotation rate for cooling. The first cooling fan 22 and the second cooling fan 25 are positioned on both sides of the control box 1, effectively cooling various electrical components and minimizing obstruction. Intermediate heat dissipation involves altering the rotation rate of the first cooling fan 22 and the second cooling fan 25 to cool the electrical components. Advanced heat dissipation divides the control box 1 into two sections. This is achieved by moving the traction rope 239 upwards, causing the sliding seat 2310 to move the longitudinal support 237 upwards. The diaphragm 236 divides the control box 1 into two sections, and the first cooling fan 22 and the second cooling fan 25 operate to rapidly cool the control box 1. If an abnormal fault point exists, the adjusting motor 211 rotates the guide shell 212 in a certain direction to maximize cooling of the fault point.

[0053] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A battery system with heat dissipation, characterized in that: It includes a control box (1), a prediction processing module, a comparison module and a warning signal transmission module. The control box (1) is connected to the battery and the load and is used to control the battery and the load. Electrical components are installed inside the control box (1). The parameters of the electrical components are obtained and processed by the estimation processing module to obtain the estimation value, which is based on the load power value, number of batteries, line current and running time of the electrical components. The comparison module obtains the estimated value from the estimated value processing module, compares the estimated value with the threshold, obtains the final result, and determines whether to activate the early warning signal transmission module. The warning signal transmitting module transmits a signal to the user end, and controls the heat dissipation module to dissipate heat from the control box (1); It also includes a temperature sensing module, which includes an infrared sensing unit. The temperature distribution inside the control box (1) is obtained through the infrared sensing unit. The control terminal divides the inside of the control box (1) into several partitions. The infrared sensing unit obtains the temperature change curves between the corresponding partitions. The control terminal calculates the rate of temperature change according to a certain time period and determines whether the rate of temperature change exceeds the set value. If so, it determines that the temperature is abnormal and issues a warning signal. The warning signal is received by the user terminal. It also includes a rise prediction unit, which acquires a temperature change curve, simulates the temperature change curve, and obtains two sets of values: a probability value of the danger value and a preset time of the danger value. The control terminal uses the acquired probability value of the danger value and the preset time of the danger value to determine whether the cooling mode needs to be adjusted in advance. The upward prediction unit includes a prediction method, a historical critical data storage unit, and a prediction data storage unit. The prediction method uses a month-on-month dynamic ratio comparison to predict and obtain the analysis period value. The time simulation record corresponding to the analysis period value is the preset time of the danger value. The change amplitude of the month-on-month dynamic ratio is the danger value probability value. The comparison module stores the danger value probability value and the danger value preset time in the prediction data storage unit and compares them separately with the historical data in the historical critical data storage unit to determine whether the danger value probability value and the danger value preset time are abnormal.

2. The battery system with heat dissipation according to claim 1, characterized in that, The estimated value processing module includes a value acquisition unit, a value processing unit, and a result analysis unit. The value acquisition unit uses a control terminal to retrieve the load power value P and the running time T on the line. The load power value P is controlled by the line current I, voltage, and the number of battery packs N. The running time T and the resistance value of the electrical components determine the heat generation of the electrical components. The numerical processing unit uses the formula W=trP*tsT to obtain the estimated value W, where tr and ts are both preset values; the result analysis unit obtains the current estimated value W and stores the estimated value W in the corresponding storage unit.

3. The battery system with heat dissipation according to claim 2, characterized in that, The operation steps of the comparison module and the early warning signal transmission module include: the control terminal is set with a first threshold W1, a second threshold W2, and a third threshold W3; the comparison module determines the relationship between the current estimated value W and the first threshold W1, the second threshold W2, and the third threshold W3; when the estimated value W is less than the first threshold W1, basic heat dissipation is used; when the estimated value W is between the first threshold W1 and the second threshold W2, intermediate heat dissipation is used; when the estimated value W is between the second threshold W2 and the third threshold W3, advanced heat dissipation is used, and the control terminal receives an early warning signal, which is then sent to the user terminal through the early warning signal transmission module.

4. A battery system with heat dissipation according to claim 3, characterized in that, It also includes an outdoor temperature consideration unit, used to change the values ​​of the first threshold W1, the second threshold W2, and the third threshold W3 by processing the outdoor temperature, the steps of which include: The control terminal acquires the outdoor temperature and obtains an outdoor temperature curve. The control terminal monitors the outdoor temperature and, when the outdoor temperature exceeds a preset value, determines to adjust the preset range of the first threshold W1, the second threshold W2, and the third threshold W3.

5. A battery system with heat dissipation according to claim 3, characterized in that, The basic heat dissipation and intermediate heat dissipation adopt two sets of symmetrically arranged first heat dissipation fan (22) and second heat dissipation fan (25). The power of the first heat dissipation fan (22) and the second heat dissipation fan (25) in the basic heat dissipation mode is less than that in the intermediate heat dissipation mode. The control box (1) is divided into a first partition (20) and a second partition (24). The first partition (20) is provided with a first air outlet (18), and the second partition (24) is provided with a second air outlet (19).

6. A battery system with heat dissipation according to claim 5, characterized in that, The advanced heat dissipation includes a partition (23) provided between the first partition (20) and the second partition (24), the partition (23) having a diaphragm (236) stretched longitudinally by a stretching member to separate the first partition (20) and the second partition (24).

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