Battery health degree detection device for energy storage power station

Abstract

The utility model discloses an energy storage power station battery health degree detection device, which comprises a device main body and a battery module support arranged on the upper side of the device main body, a display processor is arranged in the upper side of the device main body, and a temperature acquisition board card is arranged in the left lower side of the display processor. A voltage acquisition board card is arranged on the right side of the temperature acquisition board card, an internal resistance acquisition board card is arranged on the lower side of the voltage acquisition board card, the charge state of a battery module or a battery cell is balanced, the service life of a battery is prolonged, the performance and stability of the battery are improved, and the energy conversion efficiency of the battery is monitored in real time; a user is helped to find problems and take measures in time, the energy of the battery is utilized to the maximum extent, a change table / curve of voltage, current, capacity, chargeable capacity and dischargeable capacity in the charging and discharging process is provided, and the user is helped to comprehensively know the working state and performance of the battery.

Description

Technical Field

[0001] The utility model belongs to the technical field related to battery detection, and particularly relates to a device for detecting the health degree of batteries in an energy storage power station. Background Art

[0002] The battery health degree detection device is a device used to monitor and evaluate the performance and health status of batteries. It helps users understand the working state of the battery, predict the battery life and performance degradation by real-time monitoring parameters such as the voltage, current, and temperature of the battery, and recording the charge and discharge process data of the battery. Through the battery health degree detection device, users can timely discover problems or abnormal conditions existing in the battery, take corresponding measures for maintenance or replacement, and avoid equipment damage or safety risks caused by battery failures. In addition, the battery health degree detection device can generate a battery health degree detection report, providing users with a comprehensive battery status evaluation and maintenance suggestions. By using the battery health degree detection device, users can effectively extend the service life of the battery, improve the battery performance and reliability, and ensure the stable operation of the equipment.

[0003] However, an existing device for detecting the health degree of batteries in an energy storage power station cannot perform offline balancing on battery modules and battery cells during detection, and cannot detect the operating temperature of battery modules / battery cells. Content of the Utility Model

[0004] The purpose of the utility model is to provide a device for detecting the health degree of batteries in an energy storage power station, so as to solve the problems put forward in the above background art that offline balancing cannot be performed on battery modules and battery cells during detection, and the operating temperature of battery modules / battery cells cannot be detected.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A device for detecting the health degree of batteries in an energy storage power station, including a device main body and a battery module bracket arranged at the upper side position of the device main body;

[0006] A display processor is arranged at the inner position of the upper side of the device main body, a temperature acquisition board is arranged at the inner lower left position of the display processor, a voltage acquisition board is arranged at the right side position of the temperature acquisition board, an internal resistance acquisition board is arranged at the lower side position of the voltage acquisition board, and a current acquisition is arranged at the left side position of the internal resistance acquisition board;

[0007] An AC input switch is provided at the lower side position of the current acquisition. An AC input terminal is provided at the lower side position of the AC input switch. A balanced resistor bridge is provided at the lower side position of the AC input terminal. A balanced resistor control switch is provided at the lower side position of the balanced resistor bridge. Eight rectifier module bodies are provided at the right side position of the AC input switch, the AC input terminal, the balanced resistor bridge, and the balanced resistor control switch. A rectifier module control switch is provided at the upper side position of the rectifier module body;

[0008] Eight silicon chain voltage regulating modules are provided at the lower right side position of the rectifier module body. A silicon chain switch is provided at the left side position of the silicon chain voltage regulating module. A discharge input terminal is provided at the middle left side position of the silicon chain switch. Spare power supply positive grounding switches are respectively provided at the upper and lower side positions of the discharge input terminal. A DC output control switch is provided at the left side position of the discharge input terminal and the spare power supply positive grounding switch. A DC output terminal is provided at the left side position of the DC output control switch;

[0009] The device body and the battery module bracket are respectively powered by connecting to an external power supply.

[0010] Preferably, a plurality of limit pin holes are provided at the bottom positions of the left and right sides of the battery module bracket. A plurality of pulleys are provided at the inner position of the upper side of the battery module bracket.

[0011] Preferably, the display processor and the battery module bracket are connected by a bolt connection method. A plurality of processor cooling fans are provided at the inner position where the upper right side of the display processor is connected to the battery module bracket.

[0012] Preferably, a rectifier bridge cooling fan is provided at the lower right side position of the display processor. A discharge resistor is provided at the lower side position of the rectifier bridge cooling fan.

[0013] Preferably, a plurality of rectifier module cooling fans are provided at the left side position of the discharge resistor. A silicon chain module cooling fan is provided at the lower side position of the plurality of rectifier module cooling fans.

[0014] Preferably, a temperature control switch is provided at the front lower side position of the battery module bracket. A display screen is provided at the middle front position of the display processor. Control buttons are provided at the left side position of the display screen. A plurality of data interfaces are provided at the right side position of the display screen.

[0015] Compared with the prior art, the present utility model provides a device for detecting the battery health degree of an energy storage power station, having the following beneficial effects:

[0016] In this device for detecting the battery health degree, the following advantages can be achieved:

[0017] Battery module / cell off-line balancing: By balancing the charge state of the battery module or cell, the battery life can be extended, and the battery performance and stability can be improved.

[0018] Online monitoring of battery energy conversion efficiency: It can monitor the energy conversion efficiency of the battery in real time, help users discover problems in a timely manner and take measures to maximize the utilization of the battery energy.

[0019] Monitoring and data recording during charge and discharge processes: Provide change tables / curves of voltage, current, capacity, chargeable amount, and dischargeable amount during charge and discharge processes to help users comprehensively understand the working state and performance of the battery.

[0020] Generating battery health detection reports: It can generate battery health detection reports based on the monitored data, including information such as the health status of the battery and recommended maintenance measures, to help users make reasonable decisions.

[0021] Using as a backup power supply: It can be used as a backup DC220V or DC48V power supply in the station. When used as a backup power supply, a balancing resistor bridge is put into operation to ensure the normal operation of the circuit; when used as a backup DC48V communication power supply, a positive grounding switch is put into operation to maintain the normal operation of communication equipment. Brief Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the circuit framework of the present utility model.

[0023] Figure 2 It is a schematic structural diagram of the layout in the present utility model.

[0024] Figure 3 It is a schematic structural diagram of the left view angle in the present utility model.

[0025] Figure 4 It is a schematic structural diagram of the top view angle of the battery module bracket in the present utility model.

[0026] Figure 5 It is a schematic structural diagram of the left view angle of the battery module bracket in the present utility model.

[0027] In the figure:

[0028] 1. Display processor; 2. Temperature acquisition board; 3. Voltage acquisition board; 4. Current acquisition; 5. Internal resistance acquisition board; 6. Rectifier module control switch; 7. AC input switch; 8. AC input terminal; 9. Balance resistor bridge; 10. Balance resistor control switch; 11. Spare power supply positive ground switch; 12. Discharge input terminal; 13. Silicon chain voltage regulation module; 14. Silicon chain switch; 15. DC output control switch; 16. Battery module bracket; 17. DC output terminal; 18. Processor cooling fan; 19. Rectifier bridge cooling fan; 20. Rectifier module cooling fan; 21. Silicon chain module cooling fan; 22. Pulley; 23. Limit pin hole; 24. Temperature control switch; 25. Device main body; 26. Rectifier module main body; 27. Discharge resistor. Detailed implementation

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] The present invention provides a device for detecting the health degree of energy storage power station batteries as Figures 1-5 shown, including a device main body 25 and a battery module bracket 16 arranged at the upper side position of the device main body 25;

[0031] A display processor 1 is arranged at the upper inner position of the device main body 25. A temperature acquisition board 2 is arranged at the lower left inner position of the display processor 1. A voltage acquisition board 3 is arranged at the right side position of the temperature acquisition board 2. An internal resistance acquisition board 5 is arranged at the lower side position of the voltage acquisition board 3. A current acquisition 4 is arranged at the left side position of the internal resistance acquisition board 5;

[0032] A current acquisition 4 is arranged at the lower side position of the current acquisition 4. An AC input switch 7 is arranged at the lower side position of the AC input switch 7. An AC input terminal 8 is arranged at the lower side position of the AC input terminal 8. A balance resistor bridge 9 is arranged at the lower side position of the AC input terminal 8. A balance resistor control switch 10 is arranged at the lower side position of the balance resistor bridge 9. Eight rectifier module main bodies 26 are arranged at the right side position of the AC input switch 7, the AC input terminal 8, the balance resistor bridge 9, and the balance resistor control switch 10. A rectifier module control switch 6 is arranged at the upper side position of the rectifier module main body 26;

[0033] Eight silicon chain voltage regulating modules 13 are provided at the lower right side position of the rectifier module main body 26. A silicon chain switch 14 is provided at the left side position of the silicon chain voltage regulating module 13. A discharge input terminal 12 is provided at the middle position on the left side of the silicon chain switch 14. Spare power supply positive grounding switches 11 are respectively provided at the upper and lower sides of the discharge input terminal 12. A DC output control switch 15 is provided at the left side position of the discharge input terminal 12 and the spare power supply positive grounding switch 11. A DC output terminal 17 is provided at the left side position of the DC output control switch 15;

[0034] The device main body 25 and the battery module bracket 16 are respectively powered by connecting to an external power supply. A plurality of limit pin holes 23 are provided at the bottom positions on the left and right sides of the battery module bracket 16. A plurality of pulleys 22 are provided at the inner position on the upper side of the battery module bracket 16. The display processor 1 and the battery module bracket 16 are connected by a bolt connection method. A plurality of processor cooling fans 18 are provided at the inner position where the upper right side of the display processor 1 is connected to the battery module bracket 16. A rectifier bridge cooling fan 19 is provided at the lower right side position of the display processor 1. A discharge resistor 27 is provided at the lower side position of the rectifier bridge cooling fan 19. A plurality of rectifier module cooling fans 20 are provided at the left side position of the discharge resistor 27. A silicon chain module cooling fan 21 is provided at the lower side position of the plurality of rectifier module cooling fans 20. A temperature control switch 24 is provided at the front lower side position of the battery module bracket 16. A display screen is provided at the middle position on the front side of the display processor 1, and control buttons are provided at the left side position of the display screen, and a plurality of data interfaces are provided at the right side position of the display screen.

[0035] In this embodiment, the device main body 25 collects and monitors parameters such as the temperature, voltage, current, and internal resistance of the battery module through various boards and modules inside to evaluate the health status of the battery. The rectifier module control switch 6 can control the rectifier module main body 26, and the silicon chain voltage regulating module 13 is used to adjust the voltage to meet the battery parameter requirements. The balance resistor bridge 9 and the spare power supply positive grounding switch 11 can provide different voltage outputs. Through various cooling fans and the temperature control switch 24, effective heat dissipation and maintaining the internal temperature of the device stable can be achieved.

[0036] The operator can connect an external power supply to supply power to the device main body 25 and the battery module bracket 16.

[0037] Monitor the numerical values of various parameters on the display processor 1, such as temperature, voltage, current, and internal resistance.

[0038] According to the monitored data, use the silicon chain voltage regulating module 13 to adjust the voltage, control the operation of the rectifier module main body 26, and keep the battery operating within a safe range.

[0039] Use the control buttons and the display screen to operate and monitor the operating status of the device.

[0040] If it is necessary to balance the resistance bridge 9 and the standby power output, operate the balance resistance control switch 10 and the DC output control switch 15 to set the output parameters.

[0041] During operation, monitor the operation of the cooling fan to ensure normal heat dissipation inside the device.

[0042] If it is necessary to limit the battery module plug for detection, the limit pin hole 23 can be used to fix and adjust the module to ensure the accuracy and stability of detection.

[0043] Optionally, 120 temperature acquisition boards 2 and 120 voltage acquisition boards 3 are each set, and 120 internal resistance acquisitions are set, which can collect and monitor the parameters of 120 battery cells to ensure comprehensive monitoring.

[0044] The balance resistance bridge 9 is DC220V, and the standby power positive ground switch 11 is DC48V, which can provide different power options for the device.

[0045] The DC output terminal 17 can flexibly output various voltages to meet the power requirements of different devices.

[0046] During operation, using the limit pin hole 23 can control the position of the battery module to ensure the accuracy and stability of detection.

[0047] The pulley 22 is made of resin material and has the characteristics of insulation and wear resistance.

[0048] Preferably, this device can achieve the following functions:

[0049] Battery module / cell offline balancing: By balancing the charge state of the battery module or cell, the battery life can be extended, and the battery performance and stability can be improved.

[0050] Online monitoring of battery energy conversion efficiency: The energy conversion efficiency of the battery can be monitored in real time, which helps users discover problems in time and take measures to maximize the use of battery energy.

[0051] Charge and discharge process monitoring and data recording: Provide a change table / curve of voltage, current, capacity, rechargeable amount, and dischargeable amount during the charge and discharge process to help users comprehensively understand the working state and performance of the battery.

[0052] Generate a battery health detection report: A battery health detection report can be generated based on the monitored data, including information such as the health status of the battery and recommended maintenance measures, to help users make reasonable decisions.

[0053] Use as a backup power supply: It can be used as a backup DC220V and DC48V power supply in the substation. When used as a backup power supply, the balance resistor bridge 9 is connected to ensure the normal operation of the circuit; when used as a backup DC48V communication power supply, the positive grounding switch is connected to maintain the normal operation of the communication equipment.

[0054] Steps of use:

[0055] Offline equalization operation of battery modules / cells:

[0056] Connect the battery module / cell to the offline equalization module.

[0057] Select the offline equalization function on the device interface and set the parameters.

[0058] Start the offline equalization operation, and disconnect the connection after the equalization is completed.

[0059] Online monitoring of battery energy conversion efficiency:

[0060] Connect the battery to the online monitoring module.

[0061] Real-time monitor the energy conversion efficiency data.

[0062] When abnormal conditions are found, adjust the battery working state in time.

[0063] Monitoring and data recording during charge and discharge processes:

[0064] Start the monitoring function during charge and discharge processes.

[0065] View and record the changes in battery voltage, current, capacity, rechargeable amount, and dischargeable amount.

[0066] Generate corresponding tables / curves to analyze the battery working state.

[0067] Generate a battery health detection report:

[0068] Extract the monitoring data and conduct analysis.

[0069] Generate a battery health detection report, including battery status, health assessment, and maintenance suggestions.

[0070] Steps of using as a backup power supply:

[0071] Connect the device to the equipment that requires a backup power supply.

[0072] Check the power parameter matching settings, such as DC220V or DC48V.

[0073] Connect the balance resistor bridge 9 or the positive grounding switch as needed to ensure the normal power supply and operation of the backup power supply.

[0074] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A battery health detection device for an energy storage power station, comprising a device body (25) and a battery module bracket (16) arranged at an upper side of the device body (25); Features: A display processor (1) is arranged at an upper internal position of the device body (25); a temperature acquisition board (2) is arranged at a lower left internal position of the display processor (1); a voltage acquisition board (3) is arranged at the right side of the temperature acquisition board (2); an internal resistance acquisition board (5) is arranged at the lower side of the voltage acquisition board (3); and a current acquisition board (4) is arranged at the left side of the internal resistance acquisition board (5); An AC input switch (7) is arranged at the lower side of the current acquisition (4); an AC input terminal (8) is arranged at the lower side of the AC input switch (7); a balancing resistance bridge (9) is arranged at the lower side of the AC input terminal (8); a balancing resistance control switch (10) is arranged at the lower side of the balancing resistance bridge (9); eight rectifier module bodies (26) are arranged at the right side of the AC input switch (7), the AC input terminal (8), the balancing resistance bridge (9) and the balancing resistance control switch (10); and a rectifier module control switch (6) is arranged at the upper side of the rectifier module body (26); Eight silicon chain voltage regulating modules (13) are arranged at the lower right side of the rectifier module body (26); a silicon chain switch (14) is arranged at the left side of the silicon chain voltage regulating module (13); a discharge input terminal (12) is arranged at the middle position on the left side of the silicon chain switch (14); a backup power supply positive pole grounding switch (11) is arranged at the upper and lower sides of the discharge input terminal (12), respectively; a DC output control switch (15) is arranged at the left side of the discharge input terminal (12) and the backup power supply positive pole grounding switch (11); and a DC output terminal (17) is arranged at the left side of the DC output control switch (15); The device body (25) and the battery module bracket (16) are respectively powered by connecting to an external power source.

2. The battery health detection device for an energy storage power station according to claim 1, characterized in that: A plurality of limit pin holes (23) are provided at the bottom positions of the left and right sides of the battery module bracket (16), and a plurality of pulleys (22) are provided at the inner positions of the upper side of the battery module bracket (16).

3. The battery health detection device for an energy storage power station according to claim 2, characterized in that: The display processor (1) and the battery module bracket (16) are connected by bolt connection, and a plurality of processor cooling fans (18) are arranged at the internal position where the upper right side of the display processor (1) and the battery module bracket (16) are connected.

4. The battery health detection device for an energy storage power station according to claim 3, characterized in that: A rectifier bridge cooling fan (19) is arranged at the lower right side of the display processor (1), and a discharge resistor (27) is arranged at the lower side of the rectifier bridge cooling fan (19).

5. The battery health detection device for an energy storage power station according to claim 4, characterized in that: A plurality of rectifier module cooling fans (20) are arranged at the left side of the discharge resistor (27), and a silicon chain module cooling fan (21) is arranged at the lower side of the plurality of rectifier module cooling fans (20).

6. The battery health detection device for an energy storage power station according to claim 5, characterized in that: A temperature control switch (24) is provided at the front lower side of the battery module bracket (16), a display screen is provided at the front middle position of the display processor (1), a control button is provided at the left side of the display screen, and a plurality of data interfaces are provided at the right side of the display screen.

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