Comprehensive electric energy management system and electric energy management method thereof

Abstract

The invention discloses a comprehensive electric energy management system and an electric energy management method thereof, and the system comprises a series-parallel battery pack which comprises a plurality of battery packs which are connected in series or in parallel through a plurality of series-parallel wire groups; the battery series-parallel control module is connected with the series-parallel battery pack and used for controlling series connection or parallel connection of the battery pack; the AC / DC control module is connected with the series-parallel battery pack to complete AC / DC conversion; and the DC / AC control module is connected with the series-parallel battery pack to complete DC / AC conversion. Through the integrated battery series-parallel control module and the multi-mode charging function, the charging convenience and flexibility of the battery pack are remarkably improved, meanwhile, the capacity of supplying power to external equipment is improved, wider user requirements are met, the utilization efficiency of the batteries is improved, and the utilization rate of the batteries is increased. And the use safety and reliability are enhanced through intelligent control.

Description

Technical Field

[0001] The present invention relates to the field of batteries, and in particular to an integrated power management system and a power management method thereof. Background Art

[0002] With the vigorous development of the energy industry, the number of devices powered by new energy is increasing; Current power management systems usually only support a single charging method, which limits the flexibility and efficiency of battery packs. In addition, existing systems cannot provide external power output when needed, making it inconvenient for users to use electrical appliances outdoors. Summary of the invention

[0003] Purpose of the invention: To provide an integrated power management system and a power management method thereof to solve the above-mentioned problems existing in the prior art.

[0004] Technical solution: A comprehensive power management system, including: Series-parallel battery packs, including multiple battery packs connected in series or in parallel through multiple sets of series-parallel wire groups; A battery series-parallel control module is connected to the series-parallel battery pack and is used to control the series or parallel connection of the battery pack; AC / DC control module, connected to the series-parallel battery pack to complete AC / DC conversion; The DC / AC control module is connected to the series-parallel battery pack to complete the DC / AC conversion.

[0005] The present invention significantly improves the convenience and flexibility of battery pack charging through a comprehensive battery series-parallel control module and multi-mode charging function, while increasing the ability to power external devices to meet a wider range of user needs. This system not only improves the utilization efficiency of the battery, but also enhances the safety and reliability of use through intelligent control.

[0006] It supports 4 charging methods and fast charging within 15 minutes, and can output 220V AC power to meet different usage scenarios and needs.

[0007] The system automatically detects the type of charging connected and adjusts the battery configuration to suit different charging requirements.

[0008] The integrated DC / AC conversion function enables the electric motorcycle to provide 220V AC output when needed, so that users can use daily AC electrical appliances.

[0009] The design has overload protection, short circuit protection and temperature control to ensure the safety of the system under various working conditions.

[0010] Intelligent algorithms are used to optimize the charging and discharging process, improve battery efficiency and extend battery life.

[0011] In a further embodiment, the series-parallel line group comprises: A series line group, multiple groups are designed, connected to the battery group, and used to connect the multiple battery groups in series, each group includes a series line, and a series switch arranged on the series line to control the on and off of the series line; The parallel line groups are designed in multiple groups and connected to the battery groups for connecting the multiple battery groups in parallel. Each group includes a parallel line and a parallel switch arranged on the parallel line for controlling the on and off of the parallel line.

[0012] In a further embodiment, the battery series-parallel control module is connected to the series switch and the parallel switch, and is used to control the opening and closing of the series switch and the parallel switch.

[0013] In a further embodiment, the series-parallel battery pack supports charging methods of a DC charging pile, an AC charging pile, 220V AC power and a dedicated charger.

[0014] In a further embodiment, a safety protection module is also included, including overload protection, short circuit protection and temperature control.

[0015] In a further embodiment, the series-parallel battery pack can output 220V AC power for use in outdoor electrical appliances.

[0016] In a further embodiment, a sensor connected to the series-parallel battery pack and used to identify the type of the connected charging device is also included.

[0017] A comprehensive power management method, comprising: Step 1: Parallel mode control: when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the series switch to close and the parallel switch to open, so that multiple battery packs are connected in parallel; Step 2, series mode control, when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the parallel switch to close and the series switch to open, so that multiple battery packs are connected in series; Step 3: During the charging or discharging process of the battery pack, the AC / DC control module and the DC / AC control module are used to complete the AC / DC conversion and the DC / AC conversion to adapt to various charging piles and discharge output devices.

[0018] Beneficial effects: The present invention discloses an integrated power management system and a power management method thereof. The present invention significantly improves the convenience and flexibility of battery pack charging through an integrated battery series-parallel control module and a multi-mode charging function, while increasing the ability to power external devices to meet a wider range of user needs. This system not only improves the utilization efficiency of the battery, but also enhances the safety and reliability of use through intelligent control. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the system structure of the present invention.

[0020] Figure 2 It is a schematic flow chart of the method of the present invention.

[0021] Figure 3 It is a schematic diagram of the series-parallel line group of the present invention. DETAILED DESCRIPTION

[0022] The present application relates to an integrated power management system and a power management method thereof, which are explained in detail below through specific implementation methods.

[0023] Series-parallel battery packs, including multiple battery packs connected in series or in parallel through multiple sets of series-parallel wire groups; A battery series-parallel control module is connected to the series-parallel battery pack and is used to control the series or parallel connection of the battery pack; AC / DC control module, connected to the series-parallel battery pack to complete AC / DC conversion; The DC / AC control module is connected to the series-parallel battery pack to complete the DC / AC conversion.

[0024] The present invention significantly improves the convenience and flexibility of battery pack charging through a comprehensive battery series-parallel control module and multi-mode charging function, while increasing the ability to power external devices to meet a wider range of user needs. This system not only improves the utilization efficiency of the battery, but also enhances the safety and reliability of use through intelligent control.

[0025] It supports 4 charging methods and fast charging within 15 minutes, and can output 220V AC power to meet different usage scenarios and needs.

[0026] The system automatically detects the type of charging connected and adjusts the battery configuration to suit different charging requirements.

[0027] The integrated DC / AC conversion function enables the electric motorcycle to provide 220V AC output when needed, so that users can use daily AC electrical appliances.

[0028] The design has overload protection, short circuit protection and temperature control to ensure the safety of the system under various working conditions.

[0029] Intelligent algorithms are used to optimize the charging and discharging process, improve battery efficiency and extend battery life.

[0030] The series-parallel line group comprises: A series line group, multiple groups are designed, connected to the battery group, and used to connect the multiple battery groups in series, each group includes a series line, and a series switch arranged on the series line to control the on and off of the series line; The parallel line groups are designed in multiple groups and connected to the battery groups for connecting the multiple battery groups in parallel. Each group includes a parallel line and a parallel switch arranged on the parallel line for controlling the on and off of the parallel line.

[0031] The battery series-parallel control module is connected to the series switch and the parallel switch, and is used to control the opening and closing of the series switch and the parallel switch.

[0032] The series-parallel battery pack supports charging methods such as DC charging pile, AC charging pile, 220V mains power and dedicated charger.

[0033] It also includes a safety protection module, including overload protection, short circuit protection and temperature control.

[0034] The series-parallel battery pack can output 220V AC power for use in outdoor electrical appliances.

[0035] Also included is a sensor connected to the series-parallel battery pack and used to identify the type of connected charging device.

[0036] A comprehensive power management method, comprising: Step 1: Parallel mode control: when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the series switch to close and the parallel switch to open, so that multiple battery packs are connected in parallel; Step 2, series mode control, when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the parallel switch to close and the series switch to open, so that multiple battery packs are connected in series; Step 3: During the charging or discharging process of the battery pack, the AC / DC control module and the DC / AC control module are used to complete the AC / DC conversion and the DC / AC conversion to adapt to various charging piles and discharge output devices.

[0037] Working principle description: Parallel mode control: when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the series switch to close and the parallel switch to open, so that multiple battery packs are connected in parallel; Series mode control: when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the parallel switch to close and the series switch to open, so that multiple battery packs are connected in series; During the charging or discharging process of the battery pack, the AC / DC control module and the DC / AC control module are used to complete the AC / DC conversion and the DC / AC conversion to adapt to various charging piles and discharge output devices.

[0038] The preferred specific embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above specific embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A comprehensive power management system, characterized in that: include: Series-parallel battery packs, including multiple battery packs connected in series or in parallel through multiple sets of series-parallel wire groups; A battery series-parallel control module is connected to the series-parallel battery pack and is used to control the series or parallel connection of the battery pack; AC / DC control module, connected to the series-parallel battery pack to complete AC / DC conversion; The DC / AC control module is connected to the series-parallel battery pack to complete the DC / AC conversion.

2. The integrated power management system according to claim 1 is characterized in that: The series-parallel line group comprises: A series line group, multiple groups are designed, connected to the battery group, and used to connect the multiple battery groups in series, each group includes a series line, and a series switch arranged on the series line to control the on and off of the series line; The parallel line groups are designed in multiple groups and connected to the battery groups for connecting the multiple battery groups in parallel. Each group includes a parallel line and a parallel switch arranged on the parallel line for controlling the on and off of the parallel line.

3. The integrated power management system according to claim 1 is characterized in that: The battery series-parallel control module is connected to the series switch and the parallel switch, and is used to control the opening and closing of the series switch and the parallel switch.

4. The integrated power management system according to claim 1, characterized in that: The series-parallel battery pack supports charging methods such as DC charging pile, AC charging pile, 220V mains power and dedicated charger.

5. The integrated power management system according to claim 1 is characterized in that: It also includes a safety protection module, including overload protection, short circuit protection and temperature control.

6. The integrated power management system according to claim 1, characterized in that: The series-parallel battery pack can output 220V AC power for use in outdoor electrical appliances.

7. The integrated power management system according to claim 1 is characterized in that: Also included is a sensor connected to the series-parallel battery pack and used to identify the type of connected charging device.

8. A comprehensive power management method, implemented based on the comprehensive power management system according to any one of claims 1 to 7, characterized in that: include: Step 1: Parallel mode control: when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the series switch to close and the parallel switch to open, so that multiple battery packs are connected in parallel; Step 2, series mode control, when the battery pack needs to change the series-parallel mode, the battery series-parallel control module controls the parallel switch to close and the series switch to open, so that multiple battery packs are connected in series; Step 3: During the charging or discharging process of the battery pack, the AC / DC control module and the DC / AC control module are used to complete the AC / DC conversion and the DC / AC conversion to adapt to various charging piles and discharge output devices.

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