Integrated battery management system and device
By integrating power management, drive control, and real-time clock modules, the battery management system solves the problems of high cost and low efficiency caused by structural complexity in existing technologies, and achieves high integration and flexible application of the battery management system.
Patent Information
- Application Number
- CN202423006307.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing lithium-ion battery management systems are complex in structure, resulting in high development and deployment costs, low application flexibility, and low execution efficiency.
It integrates a power management module, a drive control module, and a real-time clock module to realize power signal conversion, status information acquisition, and feedback signal generation, execute battery-driven control operations, simplify the system structure, and improve the accuracy of information interaction.
It improves the integration and application flexibility of the battery management system, reduces development and deployment costs, enhances operational stability and control accuracy, and expands functional adaptability.
Smart Images

Figure CN223508124U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery technology, and in particular to an integrated battery management system and device. Background Technology
[0002] With the increasing global demand for sustainable energy and the rapid development of the electric vehicle market, battery technology, especially lithium-ion batteries, has become a research hotspot.
[0003] However, while lithium-ion battery technology is currently the mainstream battery technology with advantages such as high energy density, long lifespan and low self-discharge, its management complexity is also relatively high. In order to ensure the safe use of batteries and maximize their performance, the structure of battery management systems is becoming increasingly complex. The complex system structure not only increases the development and deployment costs of battery management systems, but also reduces the application flexibility and execution efficiency of the system.
[0004] Therefore, it is particularly important to improve the integration level of the battery management system, thereby enhancing its application flexibility and execution efficiency. Utility Model Content
[0005] This invention provides an integrated battery management system and device, which can improve the integration level of the battery management system, thereby improving the application flexibility and execution efficiency of the battery management system.
[0006] To address the aforementioned technical problems, the first aspect of this utility model discloses an integrated battery management system, comprising a power management module, a drive control module, and a real-time clock module, wherein:
[0007] The first terminal of the power management module is electrically connected to the first terminal of the drive control module. The second terminal of the power management module and the second terminal of the drive control module are both used to electrically connect to the target battery. The third terminal of the power management module and the third terminal of the drive control module are both used to electrically connect to the control module. The fourth terminal of the drive control module is used to electrically connect to the load device. The first terminal of the real-time clock module is electrically connected to the fourth terminal of the power management module. The second terminal of the real-time clock module is used to electrically connect to the control module.
[0008] The power management module is used to receive the power signal from the target battery and convert the power signal into a power supply signal adapted to the target module. The target module includes the drive control module, the real-time clock module, and the control module.
[0009] The drive control module is used to collect the status information of the target battery and receive the power supply signal, and convert the status information into a feedback signal adapted to the control module, so that the control module generates a drive control signal for the target battery according to the feedback signal;
[0010] The drive control module is further configured to perform a matching battery drive control operation on the target battery according to the drive control signal, wherein the battery drive control operation includes at least one of equalization control operation and power control operation.
[0011] The real-time clock module is used to generate clock information, send the clock information to the control module, and receive the power supply signal. The clock information is used to instruct the control module to go into sleep or wake up.
[0012] As an optional implementation, in the first aspect of this utility model, the drive control module includes an analog front-end module and a gate drive module, wherein:
[0013] The first end of the analog front-end module and the first end of the gate drive module are both electrically connected to the first end of the power management module. The second end of the analog front-end module and the second end of the gate drive module are both electrically connected to the target battery. The third end of the analog front-end module and the third end of the gate drive module are both electrically connected to the control module. The fourth end of the gate drive module is electrically connected to the load device.
[0014] The analog front-end module is used to collect the status information of the target battery and receive the power supply signal, and convert the status information into a feedback signal adapted to the control module, so that the control module generates the drive control signal of the target battery according to the feedback signal;
[0015] The analog front-end module is also used to perform the matching equalization control operation on the target battery according to the drive control signal;
[0016] The gate drive module is configured to perform a matching power control operation on the target battery according to the drive control signal, and to receive the power supply signal.
[0017] As an optional implementation, in the first aspect of this utility model, the analog front-end module includes an acquisition submodule, a filtering submodule, a calculation submodule, a generation submodule, and an equalization control submodule, wherein:
[0018] The first terminal of the acquisition submodule is electrically connected to the first terminal of the power management module; the second terminal of the acquisition submodule is electrically connected to the target battery; the third terminal of the acquisition submodule is electrically connected to the first terminal of the filtering submodule; the second terminal of the filtering submodule is electrically connected to the first terminal of the calculation submodule; the second terminal of the calculation submodule is electrically connected to the first terminal of the generation submodule; the second terminal of the generation submodule is electrically connected to the control module; the first terminal of the equalization control submodule is electrically connected to the control module; and the second terminal of the equalization control submodule is electrically connected to the target battery.
[0019] The acquisition submodule is used to acquire initial acquisition information of the target battery and receive the power supply signal;
[0020] The filtering submodule is used to perform a preset first filtering operation on the initial collected information to obtain the status information;
[0021] The calculation submodule is used to calculate the matching degree value between the state information and the corresponding preset state information, and the matching degree value is used to represent the degree of matching between the state information and the corresponding preset state information;
[0022] The generation submodule is used to generate the feedback signal adapted to the control module based on the matching degree value and the status information.
[0023] The equalization control submodule is used to perform the matching equalization control operation on the target battery according to the drive control signal;
[0024] Furthermore, the computational submodule includes a multiplexer, an ADC converter, a filter, and a comparator, wherein:
[0025] The first terminal of the multiplexer is electrically connected to the second terminal of the filter submodule, the second terminal of the multiplexer is electrically connected to the first terminal of the ADC converter, the second terminal of the ADC converter is electrically connected to the first terminal of the filter, the second terminal of the filter is electrically connected to the first terminal of the comparator, and the second terminal of the comparator is electrically connected to the first terminal of the generation submodule.
[0026] As an optional implementation, in the first aspect of this utility model, the equalization control submodule includes a parsing unit and a control unit, wherein:
[0027] The first end of the analysis unit is electrically connected to the control module, the second end of the analysis unit is electrically connected to the first end of the control unit, and the second end of the control unit is electrically connected to the target battery.
[0028] The parsing unit is used to parse the drive control signal to obtain the equalization control strategy of the target battery. The equalization control strategy indicates at least one target cell in the target battery to be equalized and the control unit corresponding to each target cell.
[0029] The control unit is configured to perform a matching equalization control operation on the corresponding target cell according to the equalization control strategy.
[0030] Furthermore, the control unit includes a first resistor, a second resistor, and a control switch, wherein:
[0031] For each target cell, the positive terminal of the target cell is electrically connected to the first terminal of the first resistor in the control unit corresponding to the target cell; the second terminal of the first resistor in the control unit corresponding to the target cell is electrically connected to the first terminal of the control switch in the control unit corresponding to the target cell; the second terminal of the control switch in the control unit corresponding to the target cell is electrically connected to the second terminal of the analysis unit; the third terminal of the control switch in the control unit corresponding to the target cell is electrically connected to the first terminal of the second resistor in the control unit corresponding to the target cell; and the second terminal of the second resistor in the control unit corresponding to the target cell is electrically connected to the negative terminal of the target cell.
[0032] As an optional implementation, in the first aspect of this utility model, the gate driving module includes a parsing submodule, a determining submodule, a driving control submodule, and a charge / discharge switch submodule, wherein:
[0033] The first terminal of the parsing submodule is electrically connected to the control module, the second terminal of the parsing submodule is electrically connected to the first terminal of the power management module, the third terminal of the parsing submodule is electrically connected to the first terminal of the determination submodule, the second terminal of the determination submodule is electrically connected to the first terminal of the drive control submodule, the second terminal of the drive control submodule is electrically connected to the first terminal of the charge / discharge switch submodule, the second terminal of the charge / discharge switch submodule is electrically connected to the target battery, and the third terminal of the charge / discharge switch submodule is electrically connected to the load device.
[0034] The parsing submodule is used to parse the drive control signal to determine the attribute information of the drive control signal. The attribute information includes at least one of transmission channel information, conversion record information, signal type information, and signal morphology information.
[0035] The parsing submodule is also used to receive the power supply signal;
[0036] The determining submodule is used to determine the power control parameters corresponding to the drive control signal based on the attribute information.
[0037] The drive control submodule is used to control the charge / discharge switch submodule to perform the matching power control operation on the target battery according to the power control parameters.
[0038] As an optional implementation, in the first aspect of this utility model, the charge / discharge switch submodule includes at least one charge / discharge switch group, different attribute information corresponds to different charge / discharge switch groups, and when the number of charge / discharge switch groups is greater than 1, the different charge / discharge switch groups are connected in parallel.
[0039] In addition, for each of the charge / discharge switch groups, the first end of the charge / discharge switch group is electrically connected to the second end of the drive control submodule, the second end of the charge / discharge switch group is used to electrically connect to the target battery, and the third end of the charge / discharge switch group is used to electrically connect to the load device;
[0040] Furthermore, the charge / discharge switch group includes a charging switch group and a discharging switch group, wherein:
[0041] The first terminal of the charging switch group is electrically connected to the first terminal of the discharging switch group, the second terminal of the charging switch group is electrically connected to the load device, the third terminal of the charging switch group is electrically connected to the second terminal of the drive control submodule, the second terminal of the discharging switch group is electrically connected to the target battery, and the third terminal of the discharging switch group is electrically connected to the second terminal of the drive control submodule.
[0042] As an optional implementation, in the first aspect of this utility model, the power management module includes a protection submodule and a conversion submodule, wherein:
[0043] The first end of the protection submodule is electrically connected to the target battery, the second end of the protection submodule is electrically connected to the first end of the conversion submodule, the third end of the protection submodule is electrically connected to the first end of the drive control module, and the fourth end of the protection submodule is electrically connected to the control module.
[0044] The protection submodule is used to receive the power signal from the target battery;
[0045] The conversion submodule is used to convert the power signal into a pre-supply signal adapted to the target module;
[0046] The protection submodule is further configured to perform a preset second filtering operation on the prepared power supply signal to obtain the power supply signal adapted to the target module.
[0047] As an optional implementation, in the first aspect of this utility model, the protection submodule includes a first filtering and protection unit and a second filtering and protection unit, wherein:
[0048] The first end of the first filtering and protection unit is electrically connected to the target battery, the second end of the first filtering and protection unit is electrically connected to the first end of the conversion submodule, the first end of the second filtering and protection unit is electrically connected to the first end of the conversion submodule, the second end of the second filtering and protection unit is electrically connected to the first end of the drive control module, and the third end of the second filtering and protection unit is electrically connected to the control module.
[0049] The first filtering and protection unit is used to receive the power signal of the target battery;
[0050] The second filtering and protection unit is used to perform a preset second filtering operation on the prepared power supply signal to obtain the power supply signal adapted to the target module;
[0051] Furthermore, the conversion submodule includes a first conversion unit and at least one second conversion unit, each second conversion unit corresponding to at least one of the target modules. The first conversion unit is a boost unit, and the second conversion unit is at least one of a buck unit, a linear regulator, and a charge pump, wherein:
[0052] The first terminal of the first conversion unit is electrically connected to the second terminal of the first filtering and protection unit, the second terminal of the first conversion unit is electrically connected to the first terminal of the second conversion unit, and the second terminal of the second conversion unit is electrically connected to the first terminal of the second filtering and protection unit.
[0053] The first conversion unit is used to convert the power signal into an initial power supply signal;
[0054] The second conversion unit is used to convert the initial power supply signal into the preparatory power supply signal adapted to the target module.
[0055] As an optional implementation, in the first aspect of this utility model, the real-time clock module includes a crystal oscillator unit, a frequency divider, a clock and calendar unit, an alarm register, a timing register, and an interrupt control unit, wherein:
[0056] The first terminal of the crystal oscillator is electrically connected to the fourth terminal of the power management module. The second terminal of the crystal oscillator is electrically connected to the first terminal of the frequency divider. The second terminal of the frequency divider is electrically connected to the first terminal of the clock and calendar unit and the first terminal of the timing register. The second terminal of the clock and calendar unit is used to electrically connect to the control module. The third terminal of the clock and calendar unit is electrically connected to the first terminal of the alarm register. The first terminal of the interrupt control unit is electrically connected to the second terminal of the alarm register and the second terminal of the timing register. The second terminal of the interrupt control unit is used to electrically connect to the control module.
[0057] The second aspect of this utility model discloses an integrated battery management device, the device including a device body, and the integrated battery management system described in the first aspect of this utility model.
[0058] Compared with the prior art, the embodiments of this utility model have the following beneficial effects:
[0059] In this invention, the integrated battery management system includes a power management module, a drive control module, and a real-time clock module. The power management module receives the power signal from the target battery and converts it into a power supply signal suitable for the target module. The target module includes a drive control module, a real-time clock module, and a control module. The drive control module collects the target battery's status information and receives the power supply signal, converting the status information into a feedback signal suitable for the control module, enabling the control module to generate a drive control signal for the target battery based on the feedback signal. The drive control module performs matching battery drive control operations on the target battery based on the drive control signal, including at least one of equalization control and power control operations. The real-time clock module generates clock information and sends it to the control module, and receives the power supply signal. The clock information is used to instruct the control module to hibernate or wake up. Therefore, implementing this invention integrates the power management module, drive control module, and real-time clock module into a battery management system. The power management module receives the target battery's power signal and converts it into a power supply signal suitable for the drive control module, real-time clock module, and control module, ensuring sufficient power for the drive control module, real-time clock module, and external control module within the battery management system. To improve operational stability, the drive control module collects the target battery's state information and converts it into feedback signals suitable for the control module. The control module then generates drive control signals for the target battery based on these feedback signals. The drive control module, based on these signals, executes matching battery drive control operations on the target battery, including at least one of equalization control and power control operations. This ensures the accuracy and stability of information exchange between the target battery and the battery management system (BMS), while improving the integration of the BMS, simplifying its structure, and enhancing its application flexibility and execution efficiency. Furthermore, by integrating a real-time clock module into the BMS, the control accuracy is improved, eliminating the clock dependency on the control module in existing technologies. This further enhances the operational stability and integration of the BMS, increasing its flexibility and ease of development for different communication, storage, and energy efficiency requirements of control chips. It also reduces the development, deployment, and maintenance costs of the BMS, enriching its application scenarios and improving its integration accuracy and overall application efficiency. Attached Figure Description
[0060] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0061] Figure 1 This is a schematic diagram of the structure of an integrated battery management system disclosed in an embodiment of the present utility model;
[0062] Figure 2 This is a schematic diagram of another integrated battery management system disclosed in an embodiment of the present utility model;
[0063] Figure 3 This is a schematic diagram of the structure of a simulated front-end module disclosed in an embodiment of this utility model;
[0064] Figure 4 This is a schematic diagram of the structure of a computing submodule disclosed in an embodiment of this utility model;
[0065] Figure 5 This is a schematic diagram of the structure of an equalization control submodule disclosed in an embodiment of this utility model;
[0066] Figure 6 This is a schematic diagram of another equalization control submodule disclosed in an embodiment of the present utility model;
[0067] Figure 7 This is a schematic diagram of the structure of a gate driving module disclosed in an embodiment of the present utility model;
[0068] Figure 8 This is a schematic diagram of another gate driving module disclosed in an embodiment of the present utility model;
[0069] Figure 9 This is a schematic diagram of the structure of a power management module disclosed in an embodiment of this utility model;
[0070] Figure 10 This is a schematic diagram of the structure of a protection submodule disclosed in an embodiment of this utility model;
[0071] Figure 11 This is a schematic diagram of the structure of a conversion submodule disclosed in an embodiment of this utility model;
[0072] Figure 12 This is a schematic diagram of the structure of a real-time clock module disclosed in an embodiment of this utility model. Detailed Implementation
[0073] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0074] It should be noted that, unless otherwise expressly specified and limited, the term "electrical connection" in the specification, claims, and accompanying drawings of this utility model should be interpreted broadly. For example, it can be a fixed electrical connection, a detachable electrical connection, or an integral electrical connection; it can be a mechanical electrical connection, an electrical-electrical connection, or a connection that allows for communication; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements or an interaction between two elements. Furthermore, the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish different objects, not to describe a specific order. The terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0075] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0076] This utility model discloses an integrated battery management system and device, which integrates a power management module, a drive control module, and a real-time clock module within the battery management system. The power management module receives the power signal from the target battery and converts it into a power supply signal suitable for the drive control module, real-time clock module, and control module, ensuring sufficient power supply to these components and improving operational stability. The drive control module collects the target battery's status information and converts it into a feedback signal suitable for the control module, enabling the control module to generate a drive control signal for the target battery based on the feedback signal. The drive control module then performs a matching battery drive control operation on the target battery based on the drive control signal, including at least one of equalization control and power control operations, thereby ensuring the target battery's performance. While ensuring the accuracy and stability of information exchange with the battery management system (BMS), this technology improves the integration level of the BMS, simplifies its structure, and enhances its application flexibility and execution efficiency. Furthermore, by integrating a real-time clock module into the BMS, it improves control accuracy, eliminates the clock dependency on the control module in existing technologies, and further enhances the operational stability of the BMS. Increased integration also improves the flexibility and convenience of BMS in terms of functional expansion and development when meeting different communication, storage, and energy efficiency requirements of the control chip. This reduces the development, deployment, and maintenance costs of the BMS, enriches and diversifies its application scenarios, and ultimately improves its application efficiency. These points will be explained in detail below.
[0077] Example 1
[0078] Please see Figure 1 , Figure 1 This is a schematic diagram of an integrated battery management system disclosed in an embodiment of this utility model. Wherein, Figure 1 The described integrated battery management system can be applied to battery devices or related devices, including but not limited to one or more of cloud devices, edge computing devices, smart home devices, sensing devices, relay devices, base station devices, and smart connected devices. This utility model embodiment does not limit the scope of the application. Figure 1 As shown, the integrated battery management system may include a power management module 10, a drive control module 20, and a real-time clock module 30, wherein:
[0079] The first end of the power management module 10 is electrically connected to the first end of the drive control module 20. The second end of both the power management module 10 and the drive control module 20 is used to electrically connect to the target battery. The third end of both the power management module 10 and the drive control module 20 is used to electrically connect to the control module. The fourth end of the drive control module 20 is used to electrically connect to the load device. The first end of the real-time clock module 30 is electrically connected to the fourth end of the power management module 10. The second end of the real-time clock module 30 is used to electrically connect to the control module.
[0080] The power management module 10 is used to receive the power signal from the target battery and convert the power signal into a power supply signal suitable for the target module. The target module includes a drive control module 20, a real-time clock module 30, and a control module.
[0081] The drive control module 20 is used to collect the status information of the target battery and receive the power supply signal, and convert the status information into a feedback signal that is suitable for the control module, so that the control module can generate a drive control signal for the target battery based on the feedback signal.
[0082] The drive control module 20 is also used to perform a matching battery drive control operation on the target battery according to the drive control signal. The battery drive control operation includes at least one of equalization control operation and power control operation.
[0083] The real-time clock module 30 is used to generate clock information, send the clock information to the control module, and receive power supply signals. The clock information is used to instruct the control module to go into sleep or wake up.
[0084] In this embodiment of the present invention, the control module is used to represent a control chip, including but not limited to MPU (Micro Processor Unit), MCU (Micro Processor Unit), SoC (System on Chip), SoPC (System on a Programmable Chip), etc.
[0085] In this embodiment of the utility model, it should be noted that the first end, the second end, etc. mentioned above do not mean that each end includes only one branch. There can be multiple branches, as long as it does not affect the function of each module and there is no contradiction in the connection relationship between modules / units.
[0086] As can be seen, implementing this embodiment of the utility model can integrate the power management module, drive control module, and real-time clock module into the battery management system. The power management module receives the power signal from the target battery and converts it into a power supply signal suitable for the drive control module, real-time clock module, and control module, thereby ensuring sufficient power supply to the drive control module, real-time clock module, and external control module within the battery management system, improving operational stability. The drive control module collects the state information of the target battery and converts it into a feedback signal suitable for the control module, enabling the control module to generate a drive control signal for the target battery based on the feedback signal. Based on the drive control signal, the drive control module performs a matching battery drive control operation on the target battery, including at least one of equalization control operation and power control operation, thereby ensuring the stability of the target battery and the battery management system. While improving the accuracy and stability of information exchange between systems, this approach enhances the integration of the battery management system (BMS), simplifies its structure, and increases its application flexibility and execution efficiency. Furthermore, by integrating a real-time clock module, it improves control accuracy, eliminates the clock dependency on control modules in existing technologies, and further enhances operational stability. Increased integration also improves the flexibility and convenience of BMS in addressing diverse communication, storage, and energy efficiency requirements of control chips, reducing development, deployment, and maintenance costs. This, in turn, enriches and diversifies BMS application scenarios, improves integration accuracy, and ultimately enhances application efficiency.
[0087] In this embodiment of the utility model, as an optional implementation method, such as Figure 2 As shown, Figure 2 This is a schematic diagram of another integrated battery management system disclosed in an embodiment of the present invention. The drive control module 20 includes an analog front-end module 201 and a gate drive module 202, wherein:
[0088] The first end of the analog front-end module 201 and the first end of the gate drive module 202 are both electrically connected to the first end of the power management module 10. The second end of the analog front-end module 201 and the second end of the gate drive module 202 are both electrically connected to the target battery. The third end of the analog front-end module 201 and the third end of the gate drive module 202 are both electrically connected to the control module. The fourth end of the gate drive module 202 is electrically connected to the load device.
[0089] The analog front-end module 201 is used to collect the status information of the target battery and receive the power supply signal, and convert the status information into a feedback signal that is suitable for the control module, so that the control module can generate the drive control signal of the target battery according to the feedback signal.
[0090] The analog front-end module 201 is also used to perform a matching equalization control operation on the target battery according to the drive control signal;
[0091] The gate drive module 202 is used to perform a matching power control operation on the target battery according to the drive control signal, and to receive the power supply signal.
[0092] In this optional embodiment, the aforementioned state information may include, but is not limited to, at least one of voltage information, current information, charge information, charge distribution information, and temperature information. The target battery includes at least one cell, and the charge distribution information is used to represent the distribution of the charge of the target battery among all the cells.
[0093] As can be seen, implementing this optional embodiment can acquire the aforementioned state information of the target battery through the analog front-end module in the drive control module, and convert the state information into a feedback signal adapted to the control module. This allows the control module to generate a drive control signal for the target battery based on the feedback signal. Consequently, the analog front-end module performs a matching equalization control operation on the target battery based on the drive control signal, and the gate drive module performs a matching power control operation on the target battery based on the drive control signal. This improves the accuracy, timeliness, and stability of the battery management control of the target battery, while further enhancing the integration accuracy and integration degree of the battery management system, reducing redundancy, and improving the application flexibility and execution efficiency of the battery management system. It also enhances the flexibility and convenience of the battery management system in terms of functional expansion and development when meeting different communication needs, storage needs, and control chip energy efficiency requirements. Furthermore, it reduces the development, deployment, and maintenance costs of the battery management system and enhances the richness and diversity of its application scenarios.
[0094] In this optional embodiment, as one possible implementation method, such as Figure 3 As shown, Figure 3 This is a schematic diagram of the structure of a simulated front-end module disclosed in an embodiment of the present invention. Figure 3 This section focuses on illustrating the specific structure and direct connection relationships of the simulated front-end module within the integrated battery management system. For other modules of the integrated battery management system disclosed above that do not involve direct connection relationships, please refer to the structural schematic diagram of the integrated battery management system disclosed in this embodiment. The same applies to the specific structural schematic diagrams of the specific modules / units disclosed in the following embodiments, and will not be repeated below. Figure 3As shown, the aforementioned analog front-end module 201 includes an acquisition submodule 2011, a filtering submodule 2012, a calculation submodule 2013, a generation submodule 2014, and an equalization control submodule 2015, wherein:
[0095] The first end of the acquisition submodule 2011 is electrically connected to the first end of the power management module 10. The second end of the acquisition submodule 2011 is used to electrically connect to the target battery. The third end of the acquisition submodule 2011 is electrically connected to the first end of the filtering submodule 2012. The second end of the filtering submodule 2012 is electrically connected to the first end of the calculation submodule 2013. The second end of the calculation submodule 2013 is electrically connected to the first end of the generation submodule 2014. The second end of the generation submodule 2014 is used to electrically connect to the control module. The first end of the equalization control submodule 2015 is used to electrically connect to the control module. The second end of the equalization control submodule 2015 is used to electrically connect to the target battery.
[0096] The acquisition submodule 2011 is used to acquire initial acquisition information of the target battery and receive power supply signals;
[0097] The filtering submodule 2012 is used to perform a preset first filtering operation on the initial acquired information to obtain status information;
[0098] The calculation submodule 2013 is used to calculate the matching degree value between the state information and the corresponding preset state information. The matching degree value is used to represent the degree of matching between the state information and the corresponding preset state information.
[0099] The generation submodule 2014 is used to generate feedback signals suitable for the control module based on the matching degree value and status information.
[0100] The equalization control submodule 2015 is used to perform matching equalization control operations on the target battery according to the drive control signal.
[0101] In this optional embodiment, each of the above-mentioned state information has a corresponding preset state information of the same type.
[0102] In this optional embodiment, for different types of state information, a certain state information can be specified to correspond to a certain string or multiple strings of cells. When it corresponds to multiple strings of cells, the state information can represent the overall situation of the multiple strings of cells under the state information, or it can be represented in the form of a set of state sub-information, where each state sub-information has a unique corresponding string of cells.
[0103] As can be seen, implementing this optional embodiment can acquire initial acquisition information of the target battery through the acquisition submodule in the simulated front-end module and receive the power supply signal used to power the simulated front-end module. The filtering submodule performs a preset first filtering operation on the initial acquisition information to obtain the state information of the target battery, which can further improve the accuracy of the generation of the state information of the target battery. The calculation submodule calculates the matching degree value used to represent the matching degree between the state information and the corresponding preset state information. The generation submodule generates a feedback signal adapted to the control module based on the matching degree value and the state information, which improves the accuracy, adaptability and flexibility of information interaction between the battery management system and the control module, thereby improving the functional expansion flexibility, richness and compatibility of the battery management system. The equalization control submodule generates the drive control signal of the target battery based on the feedback signal generated by the control module and performs a matching equalization control operation on the target battery, which can further improve the accuracy of the equalization control of the target battery by the battery management system, which is conducive to further ensuring the service life, safety and scientific nature of the target battery.
[0104] Optional, such as Figure 4 As shown, Figure 4 This is a schematic diagram of the structure of a computing submodule disclosed in an embodiment of the present utility model. The computing submodule 2013 includes a multiplexer 20131, an ADC converter 20132, a filter 20133, and a comparator 20134, wherein:
[0105] The first terminal of the multiplexer 20131 is electrically connected to the second terminal of the filter submodule 2012. The second terminal of the multiplexer 20131 is electrically connected to the first terminal of the ADC converter 20132. The second terminal of the ADC converter 20132 is electrically connected to the first terminal of the filter 20133. The second terminal of the filter 20133 is electrically connected to the first terminal of the comparator 20134. The second terminal of the comparator 20134 is electrically connected to the first terminal of the generation submodule 2014.
[0106] As can be seen, implementing this optional embodiment discloses a specific structure of the calculation submodule. Through the target battery's state information, the data passes through a multiplexer to the ADC converter, undergoes internal filtering, and is combined with a comparator to calculate the matching degree value between the processed state information and the corresponding preset state information. This further improves the accuracy, feasibility, and scientific nature of the matching degree value calculation of the calculation submodule, which is beneficial for improving the accuracy, adaptability, and flexibility of information interaction between the battery management system and the control module, and for improving the integration accuracy and application efficiency of the battery management system.
[0107] In this optional embodiment, as another optional embodiment, such as Figure 5 As shown, Figure 5This is a schematic diagram of the structure of an equalization control submodule disclosed in an embodiment of the present invention. The equalization control submodule 2015 includes a parsing unit 20151 and a control unit 20152, wherein:
[0108] The first end of the parsing unit 20151 is used to electrically connect to the control module, and the second end of the parsing unit 20151 is used to electrically connect to the first end of the control unit 20152. The second end of the control unit 20152 is used to electrically connect to the target battery.
[0109] The parsing unit 20151 is used to parse the drive control signal to obtain the equalization control strategy of the target battery. The equalization control strategy indicates at least one target cell in the target battery to be equalized and the control unit 20152 corresponding to each target cell.
[0110] The control unit 20152 is used to perform matching equalization control operations on the corresponding target cells according to the equalization control strategy.
[0111] Optionally, for the control unit, in a specific actual control scenario, different control units can be set for different target cells, or all cells in the target battery can correspond to one control unit. The specifics depend on the actual application scenario, and this utility model embodiment does not impose any specific limitations on this.
[0112] As can be seen, implementing this optional embodiment can parse the drive control signal generated by the control module connected to the battery management system through the parsing unit in the above-mentioned equalization control submodule, and obtain at least one target cell in the target battery to be equalized and the corresponding control unit for each target cell. Then, the control unit performs matching equalization control operation on the corresponding target cell based on the equalization control strategy parsed by the parsing unit. This improves the accuracy, feasibility and scientific nature of the equalization control submodule in performing matching equalization control operation on the target battery according to the drive control signal. It is conducive to further improving the accuracy of the battery management system in equalizing the target battery, and is conducive to further ensuring the service life, safety and scientific nature of the target battery.
[0113] Optional, such as Figure 6 As shown, Figure 6 This is a schematic diagram of another equalization control submodule disclosed in an embodiment of the present invention, as shown below. Figure 6 As shown, the equalization control submodule 2015 includes a parsing unit 20151 and a control unit 20152. The control unit 20152 includes a first resistor R1, a second resistor R2, and a control switch K1, wherein:
[0114] For each target cell, the positive terminal of the target cell is electrically connected to the first end of the first resistor R1 in the control unit 20152 corresponding to the target cell; the second end of the first resistor R1 in the control unit 20152 corresponding to the target cell is electrically connected to the first end of the control switch K1 in the control unit 20152 corresponding to the target cell; the second end of the control switch K1 in the control unit 20152 corresponding to the target cell is electrically connected to the second end of the analysis unit 20151; the third end of the control switch K1 in the control unit 20152 corresponding to the target cell is electrically connected to the first end of the second resistor R2 in the control unit 20152 corresponding to the target cell; and the second end of the second resistor R2 in the control unit 20152 corresponding to the target cell is electrically connected to the negative terminal of the target cell.
[0115] In this optional embodiment, it should be noted that, Figure 6 The example shown is a control unit 20152 corresponding to 4 battery cells, such as... Figure 6 Cells 1 through 4 are included. However, in this optional embodiment, further equalization control is performed for each of these four cells. If the equalization control strategy indicates that the target cell to be equalized in the target battery is cell 1, and the control unit 20152 corresponding to cell 1 is used, cell 1 can form a circuit by connecting it in series with the first resistor R1, the second resistor R2, and the control switch K1 through wiring harnesses S0 and S1. That is, the discharge of cell 1 achieves current consumption equalization. The same applies to cells 2 through 4. If the target cell is cell 2, the resistor in wiring harness S2 is the first resistor R1, and the resistor in wiring harness S1 is the second resistor R2, and so on.
[0116] As can be seen, the implementation of this optional embodiment discloses a specific structure and equalization control operation logic of the equalization control submodule. While ensuring the accuracy, feasibility, and scientific nature of the equalization control submodule in performing matching equalization control operations on the target battery according to the drive control signal, it further improves the ease of execution, flexibility, and efficiency of the equalization control operation of the equalization control submodule, which is conducive to improving the application convenience, scalability, and efficiency of the battery management system.
[0117] In an optional embodiment, such as Figure 7 As shown, Figure 7 This is a schematic diagram of the structure of a gate driving module disclosed in an embodiment of the present utility model, as shown below. Figure 7 As shown, the gate driving module 202 described above includes a parsing submodule 2021, a determining submodule 2022, a driving control submodule 2023, and a charge / discharge switch submodule 2024, wherein:
[0118] The first end of the parsing submodule 2021 is used to electrically connect to the control module, the second end of the parsing submodule 2021 is used to electrically connect to the first end of the power management module 10, the third end of the parsing submodule 2021 is used to electrically connect to the first end of the determination submodule 2022, the second end of the determination submodule 2022 is used to electrically connect to the first end of the drive control submodule 2023, the second end of the drive control submodule 2023 is used to electrically connect to the first end of the charge / discharge switch submodule 2024, the second end of the charge / discharge switch submodule 2024 is used to electrically connect to the target battery, and the third end of the charge / discharge switch submodule 2024 is used to electrically connect to the load device.
[0119] The parsing submodule 2021 is used to parse the drive control signal to determine the attribute information of the drive control signal. The attribute information includes at least one of the following: transmission channel information, conversion record information, signal type information, and signal morphology information.
[0120] The parsing submodule 2021 is also used to receive power supply signals;
[0121] The determination submodule 2022 is used to determine the power control parameters corresponding to the drive control signal based on the attribute information;
[0122] The drive control submodule 2023 is used to control the charge / discharge switch submodule 2024 to perform matching power control operations on the target battery according to the power control parameters.
[0123] As can be seen, implementing this optional embodiment enables the parsing submodule in the gate drive module to parse the drive control signal generated by the control module, thereby determining the attribute information of the drive control signal, including at least one of transmission channel information, conversion record information, signal type information, and signal shape information. Based on the attribute information, the determining submodule determines the power control parameters corresponding to the drive control signal. Based on the power control parameters, the drive control submodule controls the charge / discharge switch submodule to perform a matching power control operation on the target battery. This improves the power control accuracy of the gate drive module in performing a matching power control operation on the target battery based on the drive control signal, further enhancing the integration accuracy of the gate drive module. This is beneficial for further improving the power control accuracy and efficiency of the battery management system for the target battery, and for further ensuring the lifespan, safety, and scientific validity of the target battery.
[0124] In this optional embodiment, as an optional implementation method, such as Figure 8 As shown, Figure 8 This is a schematic diagram of another gate driving module disclosed in an embodiment of the present invention, as shown below. Figure 8As shown, the charge / discharge switch submodule 2024 in the gate drive module includes at least one charge / discharge switch group 20241. Different attribute information corresponds to different charge / discharge switch groups 20241. When the number of charge / discharge switch groups 20241 is greater than 1, the different charge / discharge switch groups 20241 are connected in parallel.
[0125] Optionally, for each charge / discharge switch group 20241, the first end of the charge / discharge switch group 20241 is electrically connected to the second end of the drive control submodule 2023, the second end of the charge / discharge switch group 20241 is used to electrically connect to the target battery, and the third end of the charge / discharge switch group 20241 is used to electrically connect to the load device.
[0126] Optionally, the charge / discharge switch group 20241 includes a charging switch group Q1 and a discharging switch group Q2, wherein:
[0127] The first terminal of the charging switch group Q1 is electrically connected to the first terminal of the discharging switch group Q2, the second terminal of the charging switch group Q1 is electrically connected to the load device, the third terminal of the charging switch group Q1 is electrically connected to the second terminal of the drive control submodule 2023, the second terminal of the discharging switch group Q2 is electrically connected to the target battery, and the third terminal of the discharging switch group Q2 is electrically connected to the second terminal of the drive control submodule 2023.
[0128] In this optional embodiment, it should be noted that different attribute information corresponds to different charge / discharge switch groups, for example, Figure 8 The charge / discharge switch group 20241 shown includes two groups, and the two charge / discharge switch groups 20241 are electrically connected in parallel. Optionally, when the above attribute information is used to indicate the input method of the drive control signal as SPI interface input or direct hard-wired input, the corresponding charge / discharge switch groups are different. It should be further noted that the charging switch group and the discharging switch group are different for different charge / discharge switch groups.
[0129] In this optional embodiment, such as Figure 8 As shown, this optional embodiment may include control logic for a charge / discharge switch assembly, for example, Figure 8In the process of the drive control submodule controlling the charge / discharge switch submodule 2024 to perform matching power control operations on the target battery according to the power control parameters, the control signal received by the upper charge / discharge switch group is high, and the control signal received by the lower charge / discharge switch group is also high, that is, both charge / discharge switch groups are kept closed. At this time, the gate drive module can be in normal working mode; the control signal received by the upper charge / discharge switch group is high, and the control signal received by the lower charge / discharge switch group is low, that is, one charge / discharge switch group is open and the other is closed. At this time, the gate drive module can be in sleep mode; the control signal received by the upper charge / discharge switch group is low, and the control signal received by the lower charge / discharge switch group is low, that is, both charge / discharge switch groups are kept open. At this time, the gate drive module can be in overcurrent fault mode. The above-mentioned control logic of the charge / discharge switch groups is only one control logic set according to the actual application scenario. Other flexible settings can also be made according to the actual application scenario and the number of charge / discharge switch groups. This utility model embodiment does not make specific limitations in this regard.
[0130] As can be seen, implementing this optional embodiment discloses a specific structure of the gate drive module, which can further improve the integration accuracy of the gate drive module, and is conducive to further improving the accuracy, feasibility, control efficiency and control scientificity of the power control of the target battery by the battery management system, and is conducive to further ensuring the service life, safety and scientific nature of the target battery.
[0131] In another alternative embodiment, such as Figure 9 As shown, Figure 9 A schematic diagram of a power management module is disclosed, such as... Figure 9 As shown, the power management module 10 described above includes a protection submodule 101 and a conversion submodule 102, wherein:
[0132] The first end of the protection submodule 101 is used to electrically connect to the target battery, the second end of the protection submodule 101 is used to electrically connect to the first end of the conversion submodule 102, the third end of the protection submodule 101 is used to electrically connect to the first end of the drive control module 20, and the fourth end of the protection submodule 101 is used to electrically connect to the control module.
[0133] Protection submodule 101 is used to receive the power signal from the target battery;
[0134] The conversion submodule 102 is used to convert the power signal into a pre-supply signal suitable for the target module;
[0135] The protection submodule 101 is also used to perform a preset second filtering operation on the prepared power supply signal to obtain a power supply signal suitable for the target module.
[0136] As can be seen, implementing this optional embodiment allows the protection submodule in the power management module to receive the power signal from the target battery. The conversion submodule then converts the power signal into a pre-configured power supply signal suitable for the target module. This enables the protection submodule to further perform a preset second filtering operation on the pre-configured power supply signal to obtain a power supply signal suitable for the target module. This improves the operational stability of the battery management system and the control stability of the target battery, while also enhancing the integration and accuracy of the battery management system. It simplifies the structure of the battery management system, improves its application flexibility and execution efficiency, and enhances the flexibility and convenience of functional expansion and development when meeting different communication, storage, and control chip energy efficiency requirements. It also reduces the development, deployment, and maintenance costs of the battery management system, and contributes to the richness and diversity of its application scenarios.
[0137] In this optional embodiment, as an optional implementation method, such as Figure 10 As shown, Figure 10 A schematic diagram of the structure of a protection submodule is disclosed, such as... Figure 10 As shown, the protection submodule 101 includes a first filtering and protection unit 1011 and a second filtering and protection unit 1012, wherein:
[0138] The first end of the first filtering and protection unit 1011 is used to electrically connect to the target battery, the second end of the first filtering and protection unit 1011 is used to electrically connect to the first end of the conversion submodule 102, the first end of the second filtering and protection unit 1012 is used to electrically connect to the first end of the conversion submodule 102, the second end of the second filtering and protection unit 1012 is used to electrically connect to the first end of the drive control module 20, and the third end of the second filtering and protection unit 1012 is used to electrically connect to the control module.
[0139] The first filtering and protection unit 1011 is used to receive the power signal of the target battery;
[0140] The second filtering and protection unit 1012 is used to perform a preset second filtering operation on the pre-powered signal to obtain a power supply signal suitable for the target module.
[0141] Optional, such as Figure 11 As shown, Figure 11 A schematic diagram of the structure of a conversion submodule is disclosed, such as... Figure 11 As shown, the aforementioned conversion submodule 102 includes a first conversion unit 1021 and at least one second conversion unit 1022. Each second conversion unit 1022 corresponds to at least one target module. The first conversion unit 1021 is a boost unit, and the second conversion unit 1022 is at least one of a buck unit, a linear regulator, and a charge pump, wherein:
[0142] The first terminal of the first conversion unit 1021 is electrically connected to the second terminal of the first filter and protection unit 1011, the second terminal of the first conversion unit 1021 is electrically connected to the first terminal of the second conversion unit 1022, and the second terminal of the second conversion unit 1022 is electrically connected to the first terminal of the second filter and protection unit 1012.
[0143] The first conversion unit 1021 is used to convert the power signal into an initial power supply signal;
[0144] The second conversion unit 1022 is used to convert the initial power supply signal into a pre-supply signal suitable for the target module.
[0145] As can be seen, this optional embodiment discloses a specific structure of a protection submodule and a conversion submodule. The protection submodule receives the power signal from the target battery through a first filtering and protection unit, and a second filtering and protection unit performs a preset second filtering operation on the prepared power supply signal to obtain a power supply signal suitable for the target module. Simultaneously, the first conversion unit of the conversion submodule converts the power signal into an initial power supply signal, and the second conversion unit converts the initial power supply signal into a prepared power supply signal suitable for the target module. This improves the accuracy of adapting power supply signals to different target modules, enhances the flexibility and convenience of the battery management system in terms of functional expansion and development when meeting different communication, storage, and control chip energy efficiency requirements, reduces the development, deployment, and maintenance costs of the battery management system, and helps to enrich and diversify the application scenarios of the battery management system, improve the integration accuracy of the battery management system, and ultimately improve the application efficiency of the battery management system.
[0146] In yet another alternative embodiment, such as Figure 12 As shown, Figure 12 A schematic diagram of a real-time clock module is disclosed, such as... Figure 12 As shown, the real-time clock module 30 includes a crystal oscillator unit 301, a frequency divider 302, a clock and calendar unit 303, an alarm register 304, a timing register 305, and an interrupt control unit 306, wherein:
[0147] The first terminal of the crystal oscillator unit 301 is electrically connected to the fourth terminal of the power management module 10. The second terminal of the crystal oscillator unit 301 is electrically connected to the first terminal of the frequency divider 302. The second terminal of the frequency divider 302 is electrically connected to the first terminal of the clock and calendar unit 303 and the first terminal of the timing register 305. The second terminal of the clock and calendar unit 303 is used to electrically connect to the control module. The third terminal of the clock and calendar unit 303 is electrically connected to the first terminal of the alarm register 304. The first terminal of the interrupt control unit 306 is electrically connected to the second terminal of the alarm register 304 and the second terminal of the timing register 305. The second terminal of the interrupt control unit 306 is used to electrically connect to the control module.
[0148] In this optional embodiment, the crystal oscillator built into the real-time clock module is optionally 32.768kHz. It is fed to the clock and calendar unit and the timing register through a frequency divider. The clock and calendar unit can send clock and calendar information to the control module through the SPI communication interface. The alarm register serves as the alarm clock function of the clock and calendar unit and outputs to the interrupt control unit for further transmission to the control module. The timing register serves as the timing output and is sent to the interrupt control unit.
[0149] As can be seen, this optional embodiment discloses a specific structure of a real-time clock module independent of the control module in a battery management system. Through the aforementioned crystal oscillator unit, frequency divider, clock and calendar unit, alarm register, timing register, and interrupt control unit, it further improves the control accuracy and feasibility of the battery management system. Simultaneously, it further supports breaking free from the clock dependence on the control module in existing technologies, improving the operational stability and integration of the battery management system. This facilitates greater flexibility and convenience in functional expansion and development when addressing different communication, storage, and energy efficiency requirements of the control chip. It also reduces the development, deployment, and maintenance costs of the battery management system, enhances the richness and diversity of its application scenarios, improves its integration accuracy, and ultimately increases its application efficiency.
[0150] Example 2
[0151] This utility model discloses an integrated battery management device, which includes a device body and an integrated battery management system as described in Embodiment 1 of this utility model.
[0152] The above provides a detailed description of an integrated battery management system and device disclosed in the embodiments of this utility model. Specific embodiments have been used to illustrate the principles and implementation methods of this utility model. However, the above preferred embodiments are not intended to limit this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, based on the ideas of this utility model, there will be changes in the specific implementation methods and application scope without departing from the spirit and scope of this utility model. Therefore, the protection scope of this utility model is determined by the scope defined in the claims.
Claims
1. An integrated battery management system, characterized in that, The system includes a power management module, a drive control module, and a real-time clock module, wherein: The first terminal of the power management module is electrically connected to the first terminal of the drive control module. The second terminal of the power management module and the second terminal of the drive control module are both used to electrically connect to the target battery. The third terminal of the power management module and the third terminal of the drive control module are both used to electrically connect to the control module. The fourth terminal of the drive control module is used to electrically connect to the load device. The first terminal of the real-time clock module is electrically connected to the fourth terminal of the power management module. The second terminal of the real-time clock module is used to electrically connect to the control module. The power management module is used to receive the power signal from the target battery and convert the power signal into a power supply signal adapted to the target module. The target module includes the drive control module, the real-time clock module, and the control module. The drive control module is used to collect the status information of the target battery and receive the power supply signal, and convert the status information into a feedback signal adapted to the control module, so that the control module generates a drive control signal for the target battery according to the feedback signal; The drive control module is further configured to perform a matching battery drive control operation on the target battery according to the drive control signal, wherein the battery drive control operation includes at least one of equalization control operation and power control operation. The real-time clock module is used to generate clock information, send the clock information to the control module, and receive the power supply signal. The clock information is used to instruct the control module to go into sleep or wake up.
2. The integrated battery management system according to claim 1, characterized in that, The drive control module includes an analog front-end module and a gate drive module, wherein: The first end of the analog front-end module and the first end of the gate drive module are both electrically connected to the first end of the power management module. The second end of the analog front-end module and the second end of the gate drive module are both electrically connected to the target battery. The third end of the analog front-end module and the third end of the gate drive module are both electrically connected to the control module. The fourth end of the gate drive module is electrically connected to the load device. The analog front-end module is used to collect the status information of the target battery and receive the power supply signal, and convert the status information into a feedback signal adapted to the control module, so that the control module generates the drive control signal of the target battery according to the feedback signal; The analog front-end module is also used to perform the matching equalization control operation on the target battery according to the drive control signal; The gate drive module is configured to perform a matching power control operation on the target battery according to the drive control signal, and to receive the power supply signal.
3. The integrated battery management system according to claim 2, characterized in that, The analog front-end module includes an acquisition submodule, a filtering submodule, a calculation submodule, a generation submodule, and an equalization control submodule, wherein: The first terminal of the acquisition submodule is electrically connected to the first terminal of the power management module; the second terminal of the acquisition submodule is electrically connected to the target battery; the third terminal of the acquisition submodule is electrically connected to the first terminal of the filtering submodule; the second terminal of the filtering submodule is electrically connected to the first terminal of the calculation submodule; the second terminal of the calculation submodule is electrically connected to the first terminal of the generation submodule; the second terminal of the generation submodule is electrically connected to the control module; the first terminal of the equalization control submodule is electrically connected to the control module; and the second terminal of the equalization control submodule is electrically connected to the target battery. The acquisition submodule is used to acquire initial acquisition information of the target battery and receive the power supply signal; The filtering submodule is used to perform a preset first filtering operation on the initial collected information to obtain the status information; The calculation submodule is used to calculate the matching degree value between the state information and the corresponding preset state information, and the matching degree value is used to represent the degree of matching between the state information and the corresponding preset state information; The generation submodule is used to generate the feedback signal adapted to the control module based on the matching degree value and the status information. The equalization control submodule is used to perform the matching equalization control operation on the target battery according to the drive control signal; Furthermore, the computational submodule includes a multiplexer, an ADC converter, a filter, and a comparator, wherein: The first terminal of the multiplexer is electrically connected to the second terminal of the filter submodule, the second terminal of the multiplexer is electrically connected to the first terminal of the ADC converter, the second terminal of the ADC converter is electrically connected to the first terminal of the filter, the second terminal of the filter is electrically connected to the first terminal of the comparator, and the second terminal of the comparator is electrically connected to the first terminal of the generation submodule.
4. The integrated battery management system according to claim 3, characterized in that, The equalization control submodule includes a parsing unit and a control unit, wherein: The first end of the analysis unit is electrically connected to the control module, the second end of the analysis unit is electrically connected to the first end of the control unit, and the second end of the control unit is electrically connected to the target battery. The parsing unit is used to parse the drive control signal to obtain the equalization control strategy of the target battery. The equalization control strategy indicates at least one target cell in the target battery to be equalized and the control unit corresponding to each target cell. The control unit is configured to perform a matching equalization control operation on the corresponding target cell according to the equalization control strategy. Furthermore, the control unit includes a first resistor, a second resistor, and a control switch, wherein: For each target cell, the positive terminal of the target cell is electrically connected to the first terminal of the first resistor in the control unit corresponding to the target cell; the second terminal of the first resistor in the control unit corresponding to the target cell is electrically connected to the first terminal of the control switch in the control unit corresponding to the target cell; the second terminal of the control switch in the control unit corresponding to the target cell is electrically connected to the second terminal of the analysis unit; the third terminal of the control switch in the control unit corresponding to the target cell is electrically connected to the first terminal of the second resistor in the control unit corresponding to the target cell; and the second terminal of the second resistor in the control unit corresponding to the target cell is electrically connected to the negative terminal of the target cell.
5. The integrated battery management system according to claim 2, characterized in that, The gate driving module includes a parsing submodule, a determination submodule, a drive control submodule, and a charge / discharge switch submodule, wherein: The first terminal of the parsing submodule is electrically connected to the control module, the second terminal of the parsing submodule is electrically connected to the first terminal of the power management module, the third terminal of the parsing submodule is electrically connected to the first terminal of the determination submodule, the second terminal of the determination submodule is electrically connected to the first terminal of the drive control submodule, the second terminal of the drive control submodule is electrically connected to the first terminal of the charge / discharge switch submodule, the second terminal of the charge / discharge switch submodule is electrically connected to the target battery, and the third terminal of the charge / discharge switch submodule is electrically connected to the load device. The parsing submodule is used to parse the drive control signal to determine the attribute information of the drive control signal. The attribute information includes at least one of transmission channel information, conversion record information, signal type information, and signal morphology information. The parsing submodule is also used to receive the power supply signal; The determining submodule is used to determine the power control parameters corresponding to the drive control signal based on the attribute information. The drive control submodule is used to control the charge / discharge switch submodule to perform the matching power control operation on the target battery according to the power control parameters.
6. The integrated battery management system according to claim 5, characterized in that, The charge / discharge switch submodule includes at least one charge / discharge switch group. Different attribute information corresponds to different charge / discharge switch groups. When the number of charge / discharge switch groups is greater than 1, different charge / discharge switch groups are connected in parallel. In addition, for each of the charge / discharge switch groups, the first end of the charge / discharge switch group is electrically connected to the second end of the drive control submodule, the second end of the charge / discharge switch group is used to electrically connect to the target battery, and the third end of the charge / discharge switch group is used to electrically connect to the load device; Furthermore, the charge / discharge switch group includes a charging switch group and a discharging switch group, wherein: The first terminal of the charging switch group is electrically connected to the first terminal of the discharging switch group, the second terminal of the charging switch group is electrically connected to the load device, the third terminal of the charging switch group is electrically connected to the second terminal of the drive control submodule, the second terminal of the discharging switch group is electrically connected to the target battery, and the third terminal of the discharging switch group is electrically connected to the second terminal of the drive control submodule.
7. The integrated battery management system according to any one of claims 1-6, characterized in that, The power management module includes a protection submodule and a conversion submodule, wherein: The first end of the protection submodule is electrically connected to the target battery, the second end of the protection submodule is electrically connected to the first end of the conversion submodule, the third end of the protection submodule is electrically connected to the first end of the drive control module, and the fourth end of the protection submodule is electrically connected to the control module. The protection submodule is used to receive the power signal from the target battery; The conversion submodule is used to convert the power signal into a pre-supply signal adapted to the target module; The protection submodule is further configured to perform a preset second filtering operation on the prepared power supply signal to obtain the power supply signal adapted to the target module.
8. The integrated battery management system according to claim 7, characterized in that, The protection submodule includes a first filtering and protection unit and a second filtering and protection unit, wherein: The first end of the first filtering and protection unit is electrically connected to the target battery, the second end of the first filtering and protection unit is electrically connected to the first end of the conversion submodule, the first end of the second filtering and protection unit is electrically connected to the first end of the conversion submodule, the second end of the second filtering and protection unit is electrically connected to the first end of the drive control module, and the third end of the second filtering and protection unit is electrically connected to the control module. The first filtering and protection unit is used to receive the power signal of the target battery; The second filtering and protection unit is used to perform a preset second filtering operation on the prepared power supply signal to obtain the power supply signal adapted to the target module; Furthermore, the conversion submodule includes a first conversion unit and at least one second conversion unit, each second conversion unit corresponding to at least one of the target modules. The first conversion unit is a boost unit, and the second conversion unit is at least one of a buck unit, a linear regulator, and a charge pump, wherein: The first terminal of the first conversion unit is electrically connected to the second terminal of the first filtering and protection unit, the second terminal of the first conversion unit is electrically connected to the first terminal of the second conversion unit, and the second terminal of the second conversion unit is electrically connected to the first terminal of the second filtering and protection unit. The first conversion unit is used to convert the power signal into an initial power supply signal; The second conversion unit is used to convert the initial power supply signal into the preparatory power supply signal adapted to the target module.
9. The integrated battery management system according to any one of claims 1-6 and 8, characterized in that, The real-time clock module includes a crystal oscillator unit, a frequency divider, a clock and calendar unit, an alarm register, a timing register, and an interrupt control unit, wherein: The first terminal of the crystal oscillator is electrically connected to the fourth terminal of the power management module. The second terminal of the crystal oscillator is electrically connected to the first terminal of the frequency divider. The second terminal of the frequency divider is electrically connected to the first terminal of the clock and calendar unit and the first terminal of the timing register. The second terminal of the clock and calendar unit is used to electrically connect to the control module. The third terminal of the clock and calendar unit is electrically connected to the first terminal of the alarm register. The first terminal of the interrupt control unit is electrically connected to the second terminal of the alarm register and the second terminal of the timing register. The second terminal of the interrupt control unit is used to electrically connect to the control module.
10. An integrated battery management device, the device comprising a device body, characterized in that, The device also includes an integrated battery management system as described in any one of claims 1-9.
Citation Information
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