A battery intelligent discharge control method, system and charging and discharging device

Abstract

The present invention relates to the field of battery technology, and more particularly to a battery intelligent discharge control method, system, and charging and discharging device. The method includes inserting a device into a port for protocol identification, calculating the remaining maximum power of the current theoretical output based on the maximum output power; when the remaining available power cannot meet the port power requirements under the condition that each port has a reserved minimum output power, the remaining available power is allocated to other ports according to the reserved minimum power, and the actual output power of the port is obtained by subtracting the sum of the minimum powers of other ports from the remaining available power; and monitoring the actual discharge power of each port in real time, and limiting the maximum discharge power of other ports based on the actual discharge power. This invention utilizes an intelligent power allocation method to dynamically adjust power output based on the power requirements of connected devices, ensuring that each device can charge at the fastest speed and improving charging efficiency.

Description

Technical Field

[0001] The present invention relates to the field of battery technology, and in particular to a battery intelligent discharge control method, system and charging and discharging equipment. Background Art

[0002] Current battery output power allocation schemes generally fall into two categories: fixed power allocation and average power allocation. In some mobile power devices, each output port may be designed to provide a fixed power output. For example, one port may provide higher power for fast charging, while another port may provide lower power for charging smaller devices. This is a fixed power allocation scheme. In some cases, average power allocation schemes evenly distribute the available power across multiple output ports. This means that if multiple devices are connected, each device will receive the same power output, with no reduction in power as the number of connected devices increases. Fixed power allocation means that each output port provides a fixed power output, which may limit user charging needs in different situations. Sometimes, some devices may require higher power for faster charging, while others may only require lower power. With a fixed power allocation scheme, some devices may charge slowly due to insufficient power, or some devices may be damaged by excessive power. This can lead to inflexible and inefficient charging. Summary of the Invention

[0003] The object of the present invention is to provide an intelligent discharge control method, system and charging and discharging device that dynamically and intelligently allocate the maximum output power of each port according to the power and temperature required by the port during battery discharge, so as to improve charging efficiency and flexibility.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The present invention provides a battery intelligent discharge control method, comprising the following steps:

[0006] Step 1: Plug the device into the detection port to identify the protocol and calculate the remaining available power after the current theoretical output based on the maximum output power of the port protocol;

[0007] Step 2: Calculate the total power of all connected ports and determine whether the remaining available power meets the power requirements of all connected ports;

[0008] Step 3: If the remaining available power cannot meet the power requirements of a certain port, the remaining available power is allocated to other ports according to the reserved minimum power. The actual output power of the port is obtained by subtracting the sum of the minimum power requirements of other ports from the remaining available power.

[0009] Step 4: Monitor the actual discharge power of each port in real time and limit the maximum discharge power of other ports based on the actual discharge power;

[0010] Step 5: For ports that do not support the protocol, when the voltage of the port drops to a predetermined threshold, the output power of the port is limited.

[0011] Furthermore, step three specifically includes: when the remaining available power cannot meet the power of a certain port, other ports are allocated according to the reserved minimum power. This is done under the premise that the minimum output power is reserved for each port.

[0012] Furthermore, the remaining available power is the total battery power minus the sum of the powers of the connected ports.

[0013] Furthermore, the control method further includes the following steps: if the temperature of the port exceeds a predetermined downshift threshold, reducing the maximum output voltage and current supported by the port; if the temperature of the port exceeds a predetermined stop threshold, terminating the port discharge.

[0014] Furthermore, the control method further comprises the following steps: if the mainboard temperature exceeds a predetermined stop threshold, terminating discharge of all ports;

[0015] Furthermore, the control method further comprises the following step: if the temperature of the battery or / and the battery cell exceeds a predetermined stop threshold, discharging of all ports is terminated.

[0016] The present invention also proposes a battery intelligent discharge control system, comprising:

[0017] The port protocol identification module is used to detect the port of the access device and identify the port protocol it supports;

[0018] An output management module is connected to the port protocol identification module and matches and outputs the voltage and current required by the corresponding device according to the identified port protocol;

[0019] A battery control module, connected to the output management module, is used to calculate the output power and remaining power of the port and allocate power according to the port requirements;

[0020] A temperature monitoring module is used to monitor the temperature of each port and the system, and adjust the port output or shut down the port when the temperature exceeds or falls below a predetermined threshold;

[0021] Furthermore, the battery control module includes:

[0022] Power calculation module, used to calculate the output power and residual power of each port;

[0023] The power distribution module is used to distribute the remaining available power to other ports according to preset rules when the remaining available power cannot meet the power demand of a certain port.

[0024] Furthermore, the battery control module also includes a power limiting module, which is connected to the power calculation module. When a port has a power limit based on port protocol matching and the port does not reach full power discharge during the actual discharge process, the power limiting module limits the maximum discharge power of other ports based on the actual discharge power of the port.

[0025] Furthermore, the battery control module also includes a voltage and power adjustment module, which is connected to the port protocol identification module. When it is detected that the port does not support the protocol, the voltage and power adjustment module limits the corresponding power according to the drop of the port voltage to the set threshold.

[0026] Furthermore, the temperature monitoring module includes sensors for detecting the temperature of the battery control module, ports and battery cells.

[0027] The present invention also proposes a battery charging and discharging device, comprising at least one port, a memory, a processor, and a control program on the memory and runnable on the processor. When the control program is executed by the processor, the steps of the battery intelligent discharge control method are implemented.

[0028] The battery intelligent discharge control method provided by the present invention has the following advantages:

[0029] 1. Improve charging efficiency: Intelligent power distribution can dynamically adjust power output according to the power requirements of connected devices, ensuring that each device can be charged at the fastest speed, thereby improving charging efficiency;

[0030] 2. Meet the needs of different devices: Allocate maximum power according to the protocol recognized by the device port. For TYPE-C and TYPE-A ports, they are limited according to the fast charging protocol to match the maximum output power. For BP electrodes, they are limited according to the SMbus custom protocol. For DC ports and DTAP ports without protocols, whether other ports are connected and the actual remaining power are limited.

[0031] 3. Improve user experience: Intelligent power distribution can automatically adjust power output according to actual conditions, providing a more personalized and intelligent charging experience, allowing users to charge multiple devices more conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic block diagram of the interconnection of a battery intelligent discharge control system;

[0033] Figure 2 The figure is a flow chart of a battery intelligent discharge control method. DETAILED DESCRIPTION

[0034] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are merely used to explain the present invention and are not intended to limit the present invention.

[0035] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0036] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0037] Furthermore, it should be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0038] The present invention is further described in detail below with reference to the accompanying drawings.

[0039] The present invention provides a battery intelligent discharge control method, which is applied to some mobile power supply devices. The mobile power supply devices include all rechargeable and dischargeable batteries such as V-mount batteries, camera batteries, N-PF batteries, power banks, and some battery charging and discharging bases, mobile power supplies, charging and discharging handles, etc.

[0040] See for example Figure 1 , Figure 1 This is a schematic block diagram of the interconnection of a battery intelligent discharge control system. In this embodiment, the battery intelligent discharge control system includes: a port protocol identification module, which is used to detect the port of the access device and identify the port protocol supported by the port;

[0041] An output management module is connected to the port protocol identification module and matches and outputs the voltage and current required by the corresponding device according to the identified port protocol;

[0042] A battery control module, connected to the output management module, is used to calculate the output power and remaining power of the port and allocate power according to the port requirements;

[0043] It includes: a power calculation module for calculating the output power and residual power of each port;

[0044] The power distribution module is used to distribute the remaining power to other ports according to preset rules when the remaining power cannot meet the power demand of a certain port;

[0045] A power limiting module is connected to the power calculation module. When a port has power limitation according to port protocol matching and the port does not reach full power discharge during actual discharge, the power limiting module limits the maximum discharge power of other ports according to the actual discharge power of the port;

[0046] The voltage and power adjustment module is connected to the port protocol identification module. When it is detected that the port does not support the protocol, the voltage and power adjustment module limits the corresponding power according to the drop of the port voltage to the set threshold;

[0047] A temperature monitoring module is used to monitor the temperature of each port and the system, and adjust the port output or shut down the port when the temperature exceeds or falls below a predetermined threshold;

[0048] The temperature monitoring module is a temperature sensor used to detect the temperature of the battery control module, ports and battery cells.

[0049] See for example Figure 2 , Figure 2 The present invention provides a flow chart of a battery intelligent discharge control method, comprising: detecting a port into which a device is inserted to perform protocol identification, and calculating the remaining available power after the current theoretical output according to the maximum output power of the port protocol;

[0050] Calculate the total power of all connected ports and determine whether the remaining available power meets the power requirements of all connected ports;

[0051] The remaining available power is the total power minus the total power of the connected ports. When the remaining available power is greater than the maximum output power of the port, the voltage and current are adapted based on the maximum power of the port.

[0052] If the remaining available power is less than the maximum output power of the port, each port reserves a minimum output power. Furthermore, if the remaining available power cannot meet the power requirements of a certain port despite the minimum output power being reserved for each port, the remaining ports are allocated power according to the reserved minimum power. The actual output power of the port is obtained by subtracting the sum of the minimum powers of other ports from the remaining available power.

[0053] The port discharge power is based on the power limit specified by the port protocol. However, in practice, the port may not discharge at full power. Therefore, the actual discharge power of each port is monitored in real time, and the maximum discharge power of other ports is limited based on the actual discharge power.

[0054] If the port temperature exceeds a predetermined downshift threshold, the maximum output voltage and current supported by the port are reduced;

[0055] If the temperature of the port exceeds a predetermined stop threshold, the port discharge is terminated;

[0056] If the motherboard temperature exceeds the predetermined downshift threshold, the maximum output voltage and current supported by all ports will be reduced;

[0057] If the motherboard temperature exceeds the predetermined stop threshold, the discharge of all ports is terminated;

[0058] If the battery or / and cell temperature exceeds the predetermined stop threshold, discharge of all ports is terminated;

[0059] If the port does not support the protocol, the output power of the port is limited according to the voltage of the port dropping to a predetermined threshold.

[0060] The present invention also provides a battery charging and discharging device, comprising at least one port, a memory, a processor, and a control program on the memory and executable on the processor. When the control program is executed by the processor, the steps of the battery intelligent discharge control method are implemented. Therefore, the control program has at least all the beneficial effects brought about by the battery intelligent discharge control method of the above-mentioned embodiment, which will not be described in detail here.

[0061] In addition, the functional modules in various embodiments of the present invention may be integrated into a single processing module, or each module may exist physically separately, or two or more modules may be integrated into a single module. The aforementioned integrated modules may be implemented in the form of hardware or software functional modules.

[0062] The present invention is not limited to the above-mentioned specific implementation methods. Various changes made by ordinary technicians in this field based on the above-mentioned concept without creative work are all within the scope of protection of the present invention.

Claims

1. A battery intelligent discharge control method, characterized in that: The method comprises the following steps: The device is inserted into the detection port for protocol identification, and the remaining available power after the current theoretical output is calculated based on the maximum output power of the port protocol. The remaining available power is the total battery power minus the total power calculated based on the maximum output power of the connected port according to the port protocol. The total power of all connected ports is calculated, and the remaining available power is determined to meet the power requirements of all connected ports. If the remaining available power cannot meet the power requirements of a port, the remaining ports are allocated according to the reserved minimum power. This is done under the premise that each port reserves a minimum power. The actual output power of the port is obtained by subtracting the sum of the reserved minimum powers of other ports from the remaining available power. Monitor the actual discharge power of each port in real time and limit the maximum discharge power of other ports based on the actual discharge power; For ports that do not support the protocol, the output power of the port is limited when the voltage of the port drops to a predetermined threshold; If the temperature of the port exceeds a predetermined downshift threshold, the maximum output voltage and current supported by the port are reduced; if the temperature of the port exceeds a predetermined stop threshold, the port discharge is terminated; If the mainboard temperature exceeds the preset stop threshold, the discharge of all ports will be terminated; if the battery cell temperature exceeds the preset stop threshold, the discharge of all ports will be terminated.

2. A battery intelligent discharge control system for implementing claim 1, characterized in that: The battery intelligent discharge control system includes: The port protocol identification module is used to detect the port of the access device and identify the port protocol it supports; An output management module is connected to the port protocol identification module and matches and outputs the voltage and current required by the corresponding device according to the identified port protocol; A battery control module, connected to the output management module, is used to calculate the output power and remaining power of the port and allocate power according to the port requirements; The temperature monitoring module is used to monitor the temperature of each port, the mainboard, and the battery cell, and adjust the port output or shut down the port when the temperature exceeds a predetermined threshold.

3. The battery intelligent discharge control system according to claim 2, characterized in that: The battery control module includes: Power calculation module, used to calculate the output power and residual power of each port; The power distribution module is used to distribute the remaining available power to other ports according to preset rules when the remaining available power cannot meet the power demand of a certain port.

4. The battery intelligent discharge control system according to claim 3, characterized in that: The battery control module also includes a power limiting module, which is connected to the power calculation module. When a port has a power limit based on port protocol matching and the port does not reach full power discharge during actual discharge, the power limiting module limits the maximum discharge power of other ports based on the actual discharge power of the port.

5. The battery intelligent discharge control system according to claim 3, characterized in that: The battery control module also includes a voltage and power adjustment module connected to the port protocol identification module. When it is detected that the port does not support the protocol, the voltage and power adjustment module limits the corresponding power according to the port voltage dropping to a set threshold.

6. The battery intelligent discharge control system according to claim 3, characterized in that: The temperature monitoring module includes temperature sensors for detecting the temperature of the mainboard, ports and battery cells.

7. A battery charging and discharging device, characterized in that: The device comprises a memory, a processor, at least one port, and a control program on the memory and operable on the processor, wherein the control program implements the steps of the discharge control method as claimed in claim 1 when executed by the processor.

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