High-performance battery management system remote platform and algorithm for tunnel construction conditions

Abstract

The present invention discloses a high-performance battery management system remote platform and algorithm for tunnel construction conditions, and the present invention relates to the field of battery management technology. The high-performance battery management system remote platform and algorithm for tunnel construction conditions, through the setting of a remote monitoring management platform and a protection component, can transmit the health status, operating status and operating data of the lithium battery in real time to the background through a storage system for information storage, a display system for information display, and an information management and scheduling platform, so as to realize remote monitoring and protection of the current information of the lithium battery. At the same time, when the remote monitoring management platform monitors and controls the protection component to operate through data, it can avoid the battery cell module from causing safety problems due to current and voltage overload during charging operations, thereby improving the safety of the battery cell module during charging and discharging.

Description

Technical Field

[0001] The present invention relates to the field of battery management technology, and in particular to a high-performance battery management system remote platform and algorithm for tunnel construction conditions. Background Art

[0002] The locomotive lithium battery power system series products are gaining more and more attention from countries around the world for their advantages such as low noise and low energy consumption. Traditional oil-powered traction locomotives are noisy, consume a lot of fuel, and emit serious gas pollution. In the harsh working conditions of narrow and closed tunnels with large echoes, the noise emitted by the locomotive will be more obvious, and the huge noise is not conducive to the driver's long-term operation. Using lithium-ion batteries that use electricity instead of fuel as the power system can not only effectively reduce gas emissions and achieve the goal of environmental protection and low carbon, but also reduce noise to ensure the health and safety of tunnel workers.

[0003] The lithium-ion power system is mainly composed of three subsystems: a dedicated charging pile, a large-capacity lithium-ion power battery pack and a remote monitoring and management platform. It performs remote monitoring, query, maintenance and other operational management through the Internet, and measures the single cell voltage, temperature, battery pack total voltage, total current, etc. in real time; it estimates the state of charge SOC. However, when the battery system is running or in the process of charging and discharging, the battery voltage, current, temperature and other fault conditions are prone to exceed the preset protection thresholds. The remote monitoring and management platform is difficult to isolate the faulty battery pack in time, which affects the battery's service life and reduces the battery's safety. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a high-performance battery management system remote platform and algorithm for tunnel construction conditions, which solves the problem that the battery unit may be affected by current overload and other phenomena during the charging process.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a high-performance battery management system remote platform for tunnel construction conditions, including a positioning box and a protection box, the protection box is fixedly installed on the side of the positioning box, a limit plate is fixedly installed inside the positioning box, and a number of battery cell modules are fixedly installed through the limit plate, a number of temperature sensors are fixedly installed on both sides of the limit plate, and a number of the temperature sensors are respectively fitted with a number of battery cell modules, and data conversion and transmission are achieved between the several temperature sensors and the remote monitoring management platform through a communication data transmission module, a voltage acquisition module and a current acquisition module are arranged inside the protection box, and the two are electrically connected through a wire, conductive plates are fixedly installed on both sides of the positioning box, and connectors are fixedly installed at the ends of the conductive plates, a protection component is arranged inside the protection box, and the protection component includes a positioning frame, a conductive rod is fixedly installed inside the positioning frame, and the outer side of the conductive rod is fixedly wrapped A coil is provided, a protective layer is fixedly installed on the outside of the coil, a positioning plate is fixedly installed inside the positioning frame, a control module is fixedly installed inside the positioning plate, a charging access module is fixedly installed inside the protection box, a main line module is fixedly installed inside the charging access module, a series circuit is formed between the charging access module, the coil and the control module through a wire, a connecting plate is provided inside the protection box, a limit rod is rotatably installed inside the connecting plate, and the connecting plate is rotatably installed inside the protection box through the limit rod, a magnetic plate is fixedly installed on the top surface of the end of the connecting plate, and the installation position of the magnetic plate corresponds to the end of the conductive rod, a positioning insulating sleeve is fixedly installed on the other end of the connecting plate, and the connecting plate is connected to the main line module through the positioning insulating sleeve, a connecting piece is provided on the outside of the current acquisition module, the connecting piece and the connector are electrically connected through a wire, a limiting groove is provided inside the connecting piece, and the opening position of the limiting groove corresponds to the conductive plate interface fixedly installed at the end of the connecting plate.

[0006] Preferably, a series circuit is formed between the charging access module, the main line module, the connector, the voltage collection module, and the current collection module and the connector.

[0007] Preferably, an elastic end is fixedly mounted on the end of the main line module, and a plurality of wire harness plates are fixedly mounted on the outer side of the main line module, and the main line module is fixedly connected to the inner wall of the protective box through the plurality of wire harness plates.

[0008] Preferably, a spring body is fixedly mounted on one side of the bottom of the connecting plate, and the other end of the spring body is fixedly mounted on the inner bottom of the protective box.

[0009] Preferably, the control module is fixedly mounted inside the positioning frame by cooperation with a positioning plate, and a wiring terminal is provided on the outside of the control module, and is connected to the inside of the coil by cooperation between the wiring terminal and the wire.

[0010] Preferably, the installation position of the conductive plate corresponds to a plurality of battery cell modules arranged inside the positioning box, and a series circuit is formed between the plurality of battery cell modules and the connectors, and pull plates are fixedly installed on both sides of the top surface of the positioning box.

[0011] The high-performance battery management system algorithm for tunnel construction conditions includes the following steps:

[0012] S1. Current setting: Set the current loop input parameters through the remote monitoring management platform, including target current, MCU sampling current, current loop proportional parameters, and current loop integral parameters;

[0013] S2. Current calculation: The current parameters of the battery cell module during charging and discharging are obtained through the PID function, and the data are returned to the remote monitoring management platform through the communication data transmission module, wherein the current parameter calculation includes calculating the current error value E, calculating the current proportional component PVAL, and calculating the current error integral component IVAL;

[0014] S3. Judgment: Compare the returned current parameters with the set parameters. If the current parameters are within the set value range, the constant current mode is turned on for continuous operation. If the current parameters exceed the set value range, the protection component is controlled to operate through the control module, and the voltage acquisition module and the current acquisition module are disconnected at the same time, and the data is returned to the remote monitoring management platform.

[0015] Further, the calculated current error value E=I1-I2;

[0016] Further, the calculated current proportional component PVAL=KP*E;

[0017] Further, the calculated current error integral component IVAL=KI*ELAST;

[0018] Furthermore, the current error value E is saved as ELAST, that is, ELAST=E, and is applied to the next PID algorithm function calculation;

[0019] Furthermore, the calculated second current PWM value=P1+PVAL+IVAL.

[0020] Beneficial Effects

[0021] The present invention provides a high-performance battery management system remote platform and algorithm for tunnel construction conditions. Compared with the prior art, it has the following beneficial effects:

[0022] (1) The high-performance battery management system remote platform and algorithm for tunnel construction conditions, through the setting of remote monitoring management platform and protection components, can transmit the health status, operating status and operating data of the lithium battery in real time to the background through the storage system for information storage, the display system for information display, the information management and scheduling platform, and the cooperation of the monitoring module for remote online monitoring of the battery and the remote monitoring management platform, so as to realize remote monitoring and protection of the current information of the lithium battery. At the same time, when the remote monitoring management platform controls the operation of the protection component through data monitoring, it can avoid the battery unit module from causing safety problems due to current and voltage overload during charging operation, thereby improving the safety of the battery unit module during charging and discharging.

[0023] (2) The high-performance battery management system remote platform and algorithm used in tunnel construction conditions can collect the current parameters of the battery cell module during charging in real time through the cooperation of the voltage acquisition module and the current acquisition module set inside the protection box, and transmit the collected parameters to the remote monitoring management platform, so as to realize real-time protection of the battery cell module during charging, and avoid the phenomenon of reduced charging function and battery cell module failure due to too low or too high current. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 For the present invention Figure 1 Schematic diagram of the cross-section structure;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the protection box of the present invention;

[0027] Figure 4 It is a schematic diagram of the cross-sectional structure of the protection component of the present invention;

[0028] Figure 5 This is a schematic diagram of the enlarged structure of point A of the present invention;

[0029] Figure 6 It is a schematic diagram of the structure of the connecting plate of the present invention;

[0030] Figure 7 This is a flow chart of the remote monitoring platform of the present invention;

[0031] Figure 8 This is a flow chart of the control circuit of the present invention;

[0032] Fig. 9 This is a flow chart of the monitoring module of the present invention.

[0033] In the figure: 1. positioning box; 101. pulling plate; 102. conductive plate; 103. connector; 2. limiting plate; 201. temperature sensor; 3. battery cell module; 4. protection box; 401. charging access module; 5. voltage acquisition module; 6. current acquisition module; 601. connecting piece; 6011. limiting groove; 7. positioning frame; 701. positioning plate; 702. control module; 703. terminal; 8. conductive rod; 801. coil; 802. protective layer; 9. main line module; 901. elastic end; 902. wire harness plate; 10. connecting plate; 1001. magnetic plate; 1002. limiting rod; 1003. spring body; 1004. positioning insulating sleeve; 1005. conductive plate interface. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-9The present invention provides a technical solution: a high-performance battery management system remote platform for tunnel construction conditions, including a positioning box 1 and a protection box 4, the protection box 4 is fixedly installed on the side of the positioning box 1, a limit plate 2 is fixedly installed inside the positioning box 1, and a plurality of battery cell modules 3 are fixedly installed through the limit plate 2, a plurality of temperature sensors 201 are fixedly installed on both sides of the limit plate 2, the plurality of temperature sensors 201 are respectively attached to the plurality of battery cell modules 3, and data conversion and transmission are realized between the plurality of temperature sensors 201 and the remote monitoring management platform through a communication data transmission module, a voltage acquisition module 5 and a current acquisition module 6 are arranged inside the protection box 4, and the two are electrically connected through a wire, the interior of the positioning box 1 Conductive plates 102 are fixedly installed on both sides, and connectors 103 are fixedly installed on the ends of the conductive plates 102. A protective component is arranged inside the protective box 4, and the protective component includes a positioning frame 7, a conductive rod 8 is fixedly installed inside the positioning frame 7, and a coil 801 is fixedly wound around the outside of the conductive rod 8, and a protective layer 802 is fixedly installed on the outside of the coil 801, a positioning plate 701 is fixedly installed inside the positioning frame 7, and a control module 702 is fixedly installed inside the positioning plate 701, a charging access module 401 is fixedly installed inside the protective box 4, and a main line module 9 is fixedly installed inside the charging access module 401, and a series circuit is formed between the charging access module 401, the coil 801 and the control module 702 through a wire, and the inside of the protective box 4 A connecting plate 10 is provided at the part, a limiting rod 1002 is rotatably installed inside the connecting plate 10, and the limiting rod 1002 is rotatably installed inside the protective box 4, a magnetic plate 1001 is fixedly installed on the top surface of the end of the connecting plate 10, and the installation position of the magnetic plate 1001 corresponds to the end of the conductive rod 8, a positioning insulating sleeve 1004 is fixedly installed on the other end of the connecting plate 10, and the main line module 9 is connected to the positioning insulating sleeve 1004, a connecting piece 601 is provided on the outside of the current acquisition module 6, the connecting piece 601 is electrically connected to the connector 103 through a wire, a limiting groove 6011 is provided inside the connecting piece 601, and the opening position of the limiting groove 6011 corresponds to the conductive plate interface 1005 fixedly installed at the end of the connecting plate 10, A series circuit is formed between the charging access module 401 and the main circuit module 9, the connecting piece 601, the voltage acquisition module 5, the current acquisition module 6 and the connector 103. An elastic end 901 is fixedly installed at the end of the main circuit module 9. Several wire harness plates 902 are fixedly installed on the outside of the main circuit module 9, and are fixedly connected to the inner wall of the protection box 4 through several wire harness plates 902. A spring body 1003 is fixedly installed on one side of the bottom of the connecting plate 10, and the other end of the spring body 1003 is fixedly installed on the inner bottom of the protection box 4. The control module 702 is fixedly installed inside the positioning frame 7 through the cooperation of the positioning plate 701. A wiring terminal 703 is arranged on the outside of the control module 702, and is connected to the inside of the coil 801 through the cooperation of the wiring terminal 703 and the wire.The installation position of the conductive plate 102 corresponds to the plurality of battery cell modules 3 arranged inside the positioning box 1, and a series circuit is formed between the plurality of battery cell modules 3 and the connector 103. Pull plates 101 are fixedly installed on both sides of the top surface of the positioning box 1.

[0036] The high-performance battery management system algorithm for tunnel construction conditions includes the following steps:

[0037] S1. Current setting: Set the current loop input parameters through the remote monitoring management platform, including target current, MCU sampling current, current loop proportional parameters, and current loop integral parameters;

[0038] S2, current calculation: the current parameters of the battery unit module 3 during charging and discharging are obtained through the PID function, and the data are returned to the remote monitoring management platform through the communication data transmission module, wherein the current parameter calculation includes calculating the current error value E, calculating the current proportional component PVAL, and calculating the current error integral component IVAL;

[0039] S3, judgment: compare the returned current parameters with the set parameters. If the current parameters are within the set value range, the constant current mode is turned on and the system continues to operate. If the current parameters exceed the set value range, the protection component is controlled to operate through the control module 702, and the voltage acquisition module 5 and the current acquisition module 6 are controlled to disconnect and return the data to the remote monitoring management platform.

[0040] Calculate the current error value E=I1-I2;

[0041] Calculate the current proportional component PVAL = KP*E;

[0042] Calculate the current error integral component IVAL = KI*ELAST;

[0043] The current error value E is saved as ELAST, that is, ELAST=E, and is applied to the next PID algorithm function calculation;

[0044] Calculate the second current PWM value = P1 + PVAL + IVAL;

[0045] Among them, the remote monitoring and management platform mainly includes a storage system for information storage, a display system for information display, and an information management and dispatching platform. It can mainly remotely query the current information of the lithium battery, realize the function of remote monitoring and management of the lithium battery system, and transmit the battery health status, operating status and operating data to the background in real time through the remote online monitoring of the battery by the monitoring module and the cooperation of the remote monitoring and management platform, so as to realize continuous real-time monitoring of the battery power system under weak signal conditions, and realize the visual remote management of the lithium power system and traction locomotive, and the remote monitoring and management platform and the modules are controlled through the 5G network.

[0046] During use, after the charging port is inserted into the charging access module 401, a series circuit is formed by the charging access module 401, the coil 801 and the control module 702. The output current and voltage can be calculated by the PID function, and the calculated values ​​are converted and fed back to the remote monitoring management platform for comparison. If the parameter exceeds the set range, the circuit is disconnected, and if the parameter is within the set range, the circuit is closed. Through the closing of the series circuit, the coil 801 wound around the outside of the conductive rod 8 can be energized, and at the same time, a magnetic field can be generated at the end of the conductive rod 8, and the connecting plate 10 rotatably installed at the bottom thereof can be adsorbed, so that it can rotate through the cooperation of the limit rod 1002, and the magnetic plate 1001 fixedly installed at the end can be fitted with the end of the conductive rod 8. At the same time, through the rotation of the connecting plate 10, the main line module 9 at the end can be driven to extend and the conductive plate interface 1005 at the end can be inserted. The battery cell modules 3 are charged by the conductive plates 102 on both sides. At the same time, the current parameters generated during charging of the battery cell modules 3 are transmitted to the remote monitoring management platform through the communication data transmission module in cooperation with the voltage acquisition module 5 and the current acquisition module 6. Then, the current error value E generated during charging is compared with the preset value through the PID function. When the ELAST value exceeds the set range, the control module 702 controls the circuit to be disconnected, so that the magnetic force of the conductive rod 8 disappears and the connecting plate 10 at the bottom thereof rotates through the cooperation of the spring body 1003 and the limiting rod 1002, so that the charging circuit of the battery cell modules 3 in the positioning box 1 is disconnected.

[0047] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0048] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-performance battery management system remote platform for tunnel construction conditions, comprising a positioning box (1) and a protection box (4), wherein the protection box (4) is fixedly mounted on the side of the positioning box (1), a limit plate (2) is fixedly mounted inside the positioning box (1), and a plurality of battery cell modules (3) are fixedly mounted via the limit plate (2), a plurality of temperature sensors (201) are fixedly mounted on both sides of the limit plate (2), the plurality of temperature sensors (201) are respectively attached to the plurality of battery cell modules (3), and data conversion and transmission are realized between the plurality of temperature sensors (201) and a remote access module via a communication data transmission module, characterized in that: The protection box (4) is provided with a voltage acquisition module (5) and a current acquisition module (6), and the two are electrically connected via a wire; conductive plates (102) are fixedly installed on both sides of the interior of the positioning box (1), and connectors (103) are fixedly installed at the ends of the conductive plates (102); and a protection component is provided inside the protection box (4); The protection component comprises a positioning frame (7), a conductive rod (8) is fixedly installed inside the positioning frame (7), a coil (801) is fixedly wound around the outside of the conductive rod (8), a protective layer (802) is fixedly installed on the outside of the coil (801), a positioning plate (701) is fixedly installed inside the positioning frame (7), a control module (702) is fixedly installed inside the positioning plate (701), a charging access module (401) is fixedly installed inside the protection box (4), a main line module (9) is fixedly installed inside the charging access module (401), a series circuit is formed between the charging access module (401), the coil (801) and the control module (702) via a wire, and a connecting plate (10) is arranged inside the protection box (4), and a rotating device (10) is installed inside the connecting plate (10). A limit rod (1002) is installed and is rotatably installed inside the protection box (4) through the limit rod (1002); a magnetic plate (1001) is fixedly installed on the top surface of the end of the connection plate (10), and the installation position of the magnetic plate (1001) corresponds to the end of the conductive rod (8); a positioning insulating sleeve (1004) is fixedly installed on the other end of the connection plate (10), and is connected to the main line module (9) through the positioning insulating sleeve (1004); a connection piece (601) is arranged on the outside of the current acquisition module (6); the connection piece (601) is electrically connected to the connector (103) through a wire; a limit groove (6011) is provided inside the connection piece (601), and the opening position of the limit groove (6011) corresponds to the conductive plate interface (1005) fixedly installed at the end of the connection plate (10).

2. The high-performance battery management system remote platform for tunnel construction conditions according to claim 1 is characterized in that: A series circuit is formed between the charging access module (401), the main line module (9), the connecting piece (601), the voltage acquisition module (5), the current acquisition module (6) and the connector (103).

3. The high-performance battery management system remote platform for tunnel construction conditions according to claim 1 is characterized in that: An elastic end (901) is fixedly mounted on the end of the main line module (9), and a plurality of wire harness plates (902) are fixedly mounted on the outside of the main line module (9), which is fixedly connected to the inner wall of the protection box (4) via the plurality of wire harness plates (902).

4. The high-performance battery management system remote platform for tunnel construction conditions according to claim 1 is characterized in that: A spring body (1003) is fixedly mounted on one side of the bottom of the connection plate (10), and the other end of the spring body (1003) is fixedly mounted on the inner bottom of the protection box (4).

5. The high-performance battery management system remote platform for tunnel construction conditions according to claim 1 is characterized in that: The control module (702) is fixedly mounted inside the positioning frame (7) by cooperating with the positioning plate (701); a wiring terminal (703) is provided on the outside of the control module (702) and is connected to the inside of the coil (801) by cooperating with the wiring terminal (703) and the wire.

6. The high-performance battery management system remote platform for tunnel construction conditions according to claim 1 is characterized in that: The installation position of the conductive plate (102) corresponds to a plurality of battery cell modules (3) arranged inside the positioning box (1), and a series circuit is formed between the plurality of battery cell modules (3) and the connector (103), and pull plates (101) are fixedly installed on both sides of the top surface of the positioning box (1).

7. High-performance battery management system algorithm for tunnel construction conditions, characterized by: The high-performance battery management system remote platform for tunnel construction conditions according to any one of claims 1 to 6 comprises the following steps: S1. Current setting: Set the current loop input parameters through the remote access module, including target current, MCU sampling current, current loop proportional parameters, and current loop integral parameters; S2, current calculation: calculate the current parameters of the battery cell module (3) during charging and discharging through the PID function, and return the data to the remote access module through the communication data transmission module, wherein the current parameter calculation includes calculating the current error value E, calculating the current proportional component PVAL, and calculating the current error integral component IVAL; S3, judgment: compare the returned current parameter with the set parameter. If the current parameter is within the set value range, the constant current mode is turned on and the operation is continued. If the current parameter exceeds the set value range, the protection component is controlled to operate through the control module (702), and the voltage acquisition module (5) and the current acquisition module (6) are controlled to disconnect and the data is returned to the remote access module.

8. The high performance battery management system algorithm for tunnel construction conditions according to claim 7 is characterized in that: The calculated current error value E=I1-I2; The calculated current proportional component PVAL=KP*E; The calculated current error integral component IVAL=KI*ELAST; The current error value E is saved as ELAST, that is, ELAST=E, and is applied to the next PID algorithm function calculation; The second current PWM value is calculated as P1 + PVAL + IVAL.

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