Multi-output charging equipment and dynamic power distribution method thereof

Abstract

The embodiment of the invention discloses a dynamic power distribution method for multi-output-end charging equipment, and the method comprises the steps: obtaining the port use information of each output end, and enabling the port use information to comprise the port distribution power of the output end and the power utilization rate of the output end; judging whether a dynamic power distribution condition is met or not according to the maximum power of the equipment and the port use information of each output end; and if yes, performing power distribution according to a dynamic power distribution rule, the maximum power of the equipment and the port use information of each output end, so that each output end outputs corresponding target output power. According to the dynamic power distribution method for the multi-output-end charging equipment, whether the distribution condition is met or not is judged according to the maximum power of the equipment and the port use information of each output end, if the condition is met, power distribution is conducted again according to the distribution rule, and the power distribution efficiency is improved. Power distribution can be dynamically carried out according to the power use condition of each current port, and the situation of power waste is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of charging power supplies, and in particular to a multi-output charging device and a dynamic power distribution method for the multi-output charging device. Background Art

[0002] With the development of electronic devices, the number of electronic devices used by users in daily life has increased significantly. Ordinary single-output charging devices can no longer meet the needs of users. Therefore, multi-output charging devices have emerged to meet the needs of users to charge multiple electronic devices at the same time.

[0003] However, existing multi-output charging devices only allocate power once when an external device is connected, which may result in low power utilization of some output ports. As a result, when a new external device is connected, the required power cannot be allocated to it, making the power allocation of the multi-output charging device unreasonable.

[0004] For example, when an existing multi-output charging device is connected to a first external device, it allocates the required charging power to it. However, when the first external device is almost fully charged or close to fully charged, the charging power required by the device itself decreases, resulting in the first external device being allocated significantly more power than it needs, leading to low power utilization. If a second external device is connected at this time, the power required by the second external device may not be allocated due to insufficient remaining power. This will prevent the second external device from achieving fast charging and can only maintain a low-speed charging state, or it may be unable to power the second external device due to insufficient power. This will seriously affect the efficiency of the multi-output charging device and the user experience. Summary of the Invention

[0005] In response to at least some of the problems and shortcomings in the prior art, embodiments of the present invention disclose a multi-output charging device and a dynamic power allocation method for a multi-output charging device, thereby resolving the problem of unreasonable output power allocation in existing multi-output charging devices when multiple output ports are connected to external devices.

[0006] Specifically, the dynamic power allocation method for a multi-output charging device provided in an embodiment of the present invention, for example, includes: an information acquisition step: acquiring the port usage information of each of the output terminals, wherein the port usage information includes the port allocation power of the output terminal and the power usage rate of the output terminal; a condition judgment step: judging whether the dynamic power allocation condition is met based on the maximum power of the device and the port usage information of each of the output terminals; a power allocation step: if the condition is met, power allocation is performed according to the dynamic power allocation rules, the maximum power of the device and the port usage information of each of the output terminals, so that each of the output terminals can output the corresponding target output power.

[0007] The dynamic power allocation method for a multi-output charging device provided in an embodiment of the present invention determines whether the allocation conditions are met based on the maximum power of the device and the port usage information of each output port. If the conditions are met, the power is redistributed according to the allocation rules. This enables real-time dynamic power allocation based on the current power usage of each port, meets most application scenarios, avoids power waste, is compatible with high-power devices such as laptops, and achieves the effect of shortening charging time.

[0008] In one embodiment of the present invention, the dynamic power allocation conditions include: the maximum power of the device is greater than the sum of the port allocated powers of each of the output ends, or the power utilization rate of at least one of the output ends is less than 100%; and the power utilization rate of at least one of the output ends is greater than the first power utilization rate, and the power utilization rate of at least another of the output ends is less than the second power utilization rate, wherein the first power utilization rate is greater than the second power utilization rate.

[0009] In one embodiment of the present invention, the first power usage rate is greater than or equal to 80%, and the second power usage rate is less than or equal to 60%.

[0010] In one embodiment of the present invention, the dynamic power allocation rule includes: acquiring power to be allocated; and performing power allocation according to the power to be allocated and the port usage information of the output end.

[0011] In one embodiment of the present invention, the port usage information includes port output voltage; the power allocation based on the power to be allocated and the port usage information of the output end specifically includes: defining the output end with a power utilization rate greater than 80% as the power output end to be allocated, and if there are at least two power output ends to be allocated, the power allocation is performed in the following priority order: judging whether the output end is a special type of output end based on the port output voltage of the output end, and if so, allocating the first preset power to the special type of output end; allocating to the output end with the highest power utilization rate among at least two power output ends to be allocated; allocating to the output end that is first connected to the external device; and evenly allocating to the power output ends to be allocated.

[0012] In one embodiment of the present invention, the output end includes a first output end, the first output end is connected to a first external device, the first output end has first port usage information, and the first port usage information includes a first port requested power; before the information acquisition step, it also includes: detecting that the first output end is connected to the first external device; and performing power allocation according to an initial power allocation rule and the first port requested power of the first output end.

[0013] In one embodiment of the present invention, the first port usage information includes the first port output voltage; the initial power allocation rule includes: when it is determined that the first port usage information of the first output end is the first type of information, the first port allocated power is set to the first port requested power; when it is determined that the first port usage information of the first output end is the second type of information, allocation is performed according to the following rules: when the first port output voltage is greater than 18V and the first port requested power is less than or equal to the first requested power W1, the first port allocated power is configured to the first configured power W1+N1, where N1 is a positive integer greater than or equal to 2; when the first port requested power is less than the second requested power W2, the first port allocated power is configured to the second configured power W2+N2, where N2 is a positive integer greater than or equal to 5; when the first port requested power is less than the third requested power W3, the first port allocated power is configured to the third requested power W3.

[0014] In one embodiment of the present invention, the first requested power W1 is 45W, the first configured power W1+N1 is 47W; the second requested power W2 is 15W, the second configured power W2+N2 is 20W; and the third requested power W3 is 5W.

[0015] In one embodiment of the present invention, the output end also includes a second output end, the second output end is connected to a second external device, and the second output end has second port usage information; before the information acquisition step, it also includes: detecting that the second output end is connected to the second external device; performing power allocation according to the initial power allocation rule and the first port allocated power; wherein the initial power allocation rule includes: judging whether there is residual power, wherein the residual power is the difference between the maximum power of the device and the first port allocated power; if so, setting the residual power to the second port allocated power of the second output end; if not, dividing the maximum power of the device equally to the first output end and the second output end for output.

[0016] In one embodiment of the present invention, it also includes: after each predetermined time interval, executing the information acquisition step, the condition judgment step and the power allocation step in sequence; and / or, when any one of the output terminals is connected to the external device, or the external device is unplugged from any one of the output terminals, executing the information acquisition step, the condition judgment step and the power allocation step in sequence.

[0017] On the other hand, an embodiment of the present invention provides a multi-output charging device, for example, including: a controller for executing the aforementioned dynamic power allocation method, wherein the output end includes at least a first output end and a second output end; a first output circuit, including a first output protocol chip and the first output end, the first output protocol chip is electrically connected to the controller, the first output end is electrically connected to the first output protocol chip, and the first output end is used to connect to a first external device; a second output circuit, including a second output protocol chip and the second output end, the second output protocol chip is electrically connected to the controller, the second output end is electrically connected to the second output protocol chip, and the second output end is used to connect to a second external device.

[0018] It can be seen from the above that the above technical features of the present invention can have one or more of the following beneficial effects: The dynamic power allocation method for multi-output charging equipment provided in the embodiment of the present invention determines whether the allocation conditions are met based on the maximum power of the device and the port usage information of each output end. If the conditions are met, the power is reallocated according to the allocation rules, thereby realizing real-time dynamic power allocation based on the current power usage of each port, meeting most application scenarios, avoiding power waste, and being compatible with high-power devices such as laptops, and achieving the effect of shortening the charging time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A schematic flow chart of a dynamic power allocation method for a multi-output charging device provided in an embodiment of the present invention.

[0021] Figure 2 Another flowchart of the dynamic power allocation method for a multi-output charging device provided by an embodiment of the present invention.

[0022] Figure 3 This is another flow chart of the dynamic power allocation method for a multi-output charging device provided by an embodiment of the present invention.

[0023] Figure 4 A schematic diagram of the structure of a multi-output charging device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] It should be noted that the terms "first", "second", etc. in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable where appropriate so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] It should also be noted that the division of multiple embodiments in the present invention is only for the convenience of description and should not constitute a special limitation. The features in various embodiments can be combined and referenced to each other without contradiction.

[0027] See also Figure 1 , which shows a dynamic power allocation method for a multi-output charging device provided by an embodiment of the present invention, for example, including:

[0028] S15: Information acquisition step: acquiring port usage information of each output port, wherein the port usage information includes the port allocated power of the output port and the power usage rate of the output port;

[0029] S17: Condition determination step: determining whether a dynamic power allocation condition is met based on the maximum power of the device and the port usage information of each output port;

[0030] S19: Power allocation step: If satisfied, power allocation is performed according to the dynamic power allocation rule, the maximum power of the device and the port usage information of each output end, so that each output end outputs the corresponding target output power.

[0031] The dynamic power allocation method for a multi-output charging device provided in an embodiment of the present invention determines whether the allocation conditions are met based on the maximum power of the device and the port usage information of each output port. If the conditions are met, the power is redistributed according to the allocation rules. This enables real-time dynamic power allocation based on the current power usage of each port, meets most application scenarios, avoids power waste, is compatible with high-power devices such as laptops, and achieves the effect of shortening charging time.

[0032] In one embodiment, see Figure 2 The output end includes a first output end, the first output end is connected to a first external device, and the first output end has first port usage information. Before step S14, the method further includes the following steps:

[0033] S111: Detecting that the first output terminal is connected to the first external device;

[0034] S112: Perform power allocation according to an initial power allocation rule and the first port request power of the first output end.

[0035] As mentioned above, see Figure 3 The output end further includes a second output end, the second output end is connected to a second external device, and the second output end has second port usage information. Before step S14, the method further includes the following steps:

[0036] S121: Detecting that the second output terminal is connected to a second external device;

[0037] S122: Perform power allocation according to the initial power allocation rule and the first port allocation power.

[0038] See also Figure 4 This embodiment further provides a multi-output charging device 10 . The dynamic power allocation method for the multi-output charging device can be applied to the multi-output charging device 10 , for example.

[0039] For ease of understanding the present invention, the following Figures 1-4 The multi-output charging device 10 and each step of the dynamic power allocation method for the multi-output charging device of this embodiment are described in detail.

[0040] Specifically, see Figure 4The multi-output charging device 10 includes, for example, a controller 100 and at least two output circuits, for example, a first output circuit 200 and a second output circuit 300. The first output circuit 200 includes, for example, a first output protocol chip 210 and a first output terminal 220, and the second output circuit 300 includes, for example, a second output protocol chip 310 and a second output terminal 320. The first output protocol chip 210 and the second output protocol chip 310 are, for example, electrically connected to the controller 100. The first output terminal 220 is electrically connected to the first output protocol chip 210, for example, for connecting to a first external device; the second output terminal 320 is electrically connected to the second output protocol chip 310, for example, for connecting to a second external device. The controller 100 mentioned above is, for example, an MCU (Microcontroller Unit), and the controller 100 is used to execute the dynamic power allocation method. The first output protocol chip 210 and the second output protocol chip 310 mentioned above are, for example, protocol chips, for example, integrated circuits that can implement a specific communication protocol or interface standard. It should be noted that the output circuit of the multi-output charging device 10 provided in the present application is not limited to two. Three, four or more output circuits are all within the scope of protection of the present application. Each output circuit, for example, has the same circuit structure as the first output circuit 200 or the second output circuit 300.

[0041] In this application, a separate protocol chip is set for each output end. Compared with the existing solution in which multiple output ends share one protocol chip, each chip can have the effect of overvoltage, overcurrent, and over-circuit protection, so that the normal output of other output ends will not be affected by the state change of a certain output end (such as inserting / unplugging an external device, etc.), thereby avoiding charging interruption.

[0042] Specifically, the controller 100 obtains the port usage information of each output port (corresponding to Figure 1Step S14), wherein the port usage information includes, for example, port allocated power, power usage rate, port requested power, and port output voltage, wherein the power usage rate is the ratio of the port requested power to the port allocated power. For example, when the first external device is connected to an output port of the multi-output charging device 10, the charging power requested from the multi-output charging device 10 is 15W, then the port requested power of the output port is 15W. If the multi-output charging device 10 allocates 20W of power to the port, 20W is the port allocated power of the output port. At this time, the power usage rate of the output port is equal to 15 divided by 20 multiplied by 100%, that is, 75%. It should be understood that the port requested power may change with parameters such as the power level / temperature of the first external device. For example, when the first external device is first connected to the output port, it requests a charging power of 15W. When the power of the first external device is charged to 80% or the temperature reaches a set safety threshold (such as 50 degrees Celsius), it requests a charging power of 9W. At this time, the power usage rate of the output port is reduced to 45%. For example, the first output terminal 220 may have first port usage information, which may include, for example, the first port allocated power, the first power usage rate, the first port requested power, and the first port output voltage. The second output terminal 320 may have second port usage information, and so on. It should be noted that the first output terminal 220 and the second output terminal 320 mentioned above are only used to distinguish between the two output terminals and do not restrict the relationship between the two output terminals.

[0043] Furthermore, the controller 100 determines whether the dynamic power allocation condition (corresponding to the maximum power of the device and the port usage information of each output terminal) is met. Figure 1 Step S15). The maximum power of the multi-output charging device 10 is, for example, 140W. Dynamic power allocation conditions include, for example: the maximum power of the device is greater than the sum of the port allocation powers of each output port, or the power utilization rate of at least one output port is less than 100%; and the power utilization rate of at least one output port is greater than the first power utilization rate, and the power utilization rate of at least another output port is less than the second power utilization rate, wherein the first power utilization rate is greater than the second power utilization rate. Specifically, the first power utilization rate is, for example, greater than or equal to 80%, and the second power utilization rate is, for example, less than or equal to 60%.

[0044] For example, when the power utilization rate of each output port is less than 60%, the dynamic power allocation conditions are not met. At this time, each output port has surplus power, so dynamic allocation is not required. When the power utilization rate of each output port is greater than 80%, the dynamic power allocation conditions are not met. At this time, the power utilization rate of each output port is high, and there is no excess power to allocate. It should be noted that when the power utilization rate of an output port is less than 60%, but its port allocated power is less than or equal to 5W, although it has a large amount of surplus power according to the power utilization rate, because its port allocated power is less than 5W, the external device connected to this output port is a low-current device, and therefore this output port is not considered an allocable power port.

[0045] According to the above, if the dynamic power allocation condition is met, the controller 100 performs power allocation according to the dynamic power allocation rule, the maximum power of the device and the port usage information of each output end, so that each output end can output the corresponding target output power (corresponding to Figure 1 Step S19). The target output power mentioned here is, for example, the output power of each output end after dynamic power allocation. The target output power of each output end is, for example, greater than or equal to the port request power of the output end, and the target output power of each output end may be greater than, equal to, or less than the port allocated power of the output end. For example, if power allocation is not performed or the power does not change after allocation, the target output power is equal to the port allocated power; if the output end originally allocated more power, that is, the power utilization rate is low, then after dynamic power allocation is performed, the target output power may be less than the port allocated power; if the output end originally allocated less power, that is, the power utilization rate is high, then after dynamic power allocation is performed, the target output power may be greater than the port allocated power.

[0046] The dynamic power allocation rule may include, for example, the controller 100 obtaining the power to be allocated. For example, all output ports may be divided into idle power-providing ports and power-to-be-allocated ports. Idle power-providing ports are, for example, output ports with low power utilization and idle power, while power-to-be-allocated ports are, for example, output ports with high power utilization and requiring power allocation. The power to be allocated may be, for example, the sum of the idle power and the remaining power of each output port, where the remaining power may be, for example, the difference between the maximum power of the device and all allocated power, and the total allocated power may be, for example, the sum of the port-allocated power of each output port.

[0047] Based on the above, the dynamic power allocation rule further includes, for example: the controller 100 performs power allocation according to the power to be allocated and the port usage information of the output end.

[0048] For example, the output end with a power utilization rate greater than 80% is defined as a power output end to be allocated. If there are at least two power output ends to be allocated, the controller 100 allocates power according to the following priority order:

[0049] First, the controller 100 determines whether the output end is a special type output end based on the port output voltage of the output end. If so, the first preset power is allocated to the special type output end. For example, the special type output end mentioned here is, for example, the output end of a laptop computer whose connected external device is a laptop computer. The port output voltage of the special type output end is less than 18V. Specifically, the port output voltage of the special type output end is 20V or 28V. At this time, the controller 100 allocates the first preset power to the output end to meet the charging needs of the laptop computer. The first preset power is, for example, 47W. It should be noted that if the power supply power of the laptop computer is lower than 45W, the laptop computer's transformer may periodically work intermittently, resulting in incompatibility of the computer display adapter. Therefore, the solution in this application prioritizes allocating power to the output end connected to the laptop computer to be compatible with the charging needs of high-power devices.

[0050] Next, the controller 100 allocates the to-be-allocated power to the output terminal with the highest power usage rate among the at least two to-be-allocated power output terminals. When the power usage rate of an output terminal is higher, the external device connected to that output terminal cannot meet its fast charging needs. Therefore, the solution in this application prioritizes power allocation to such output terminals to meet their fast charging needs, thereby improving the charging efficiency of the charging device for the external device.

[0051] Furthermore, the controller 100 distributes the power to be distributed to the output terminal that is first connected to the external device. It should be noted that if multiple output terminals need to be allocated power, this solution prioritizes the output terminal that is first connected to the external device to achieve the effect of first connected first charged.

[0052] In addition, the controller 100 evenly distributes the power to be distributed to the power output ends to be distributed, that is, the controller 100 evenly distributes the power to be distributed to each output end that needs to increase the output power.

[0053] Through the above dynamic power allocation rules, the power of multiple output ports can be reasonably allocated, so that power can be allocated dynamically in real time according to the current power usage of each port, avoiding power waste. In addition, it is compatible with high-power devices such as laptops and achieves the effect of shortening charging time.

[0054] In a specific embodiment, before the information acquisition step, the controller 100 detects that the first output terminal 220 is connected to the first external device (corresponding to Figure 2 Step S111), the controller 100 performs power distribution according to the initial power distribution rule and the first port request power of the first output end 220, so that the first output end 220 outputs the first port distribution power (corresponding to Figure 2 Step S112). Specifically, when only one external device is connected to the multi-output charging device 10, the controller 100 obtains the power request of the first port of the first output terminal 220 and distributes power according to the initial power distribution rule. The initial power distribution rule includes:

[0055] When it is determined that the first port usage information of the first output port 220 is the first type of information, the first port allocated power is set to the first port requested power.

[0056] When it is determined that the first port usage information of the first output end 220 is the second type of information, allocation is performed according to the following rules:

[0057] When the output voltage of the first port is greater than 18V (for example, the output voltage of the first port is 20V or 28V) and the requested power of the first port is less than or equal to the first requested power W1, the power allocated to the first port is configured to be the first configured power W1+N1, where N1 is a positive integer greater than or equal to 2. For example, the first requested power W1 is 45W, and the first configured power W1+N1 is 47W.

[0058] When the first port requested power is less than the second requested power W2, the first port allocated power is configured to the second configured power W2+N2, where N2 is a positive integer greater than or equal to 5. For example, the second requested power W2 is 15W, and the second configured power W2+N2 is 20W.

[0059] When the first port requested power is less than the third requested power W3, the power allocated to the first port is configured to be the third requested power W3. For example, the third requested power W3 is 5W to meet the charging needs of low-power devices.

[0060] This application adds additional compensation power to the port request power as the port allocated power. In this way, on the one hand, it satisfies the power usage fluctuation, and on the other hand, there may be errors when detecting the port output voltage, which may cause errors in power calculation. Therefore, compensation is performed to avoid the problem of insufficient power allocation caused by errors as much as possible.

[0061] It should be noted that the second type of information includes, for example: the output voltage of the first port is greater than 18V, and the requested power of the first port is less than or equal to 45W; the requested power of the first port is less than 15W; and the requested power of the first port is less than 5W. In addition, the port usage information of all output ports that do not meet the second type of information is the first type of information.

[0062] In a specific embodiment, before the information acquisition step, the process further includes: the controller 100 detects that the second output terminal 320 is connected to the second external device (corresponding to Figure 3 Step S121), the controller 100 performs power allocation according to the initial power allocation rule and the first port allocation power (corresponding to Figure 3 Step S122). The initial power allocation rule includes:

[0063] Determine whether there is residual power, wherein the residual power is the difference between the maximum power of the device and the power allocated to the first port. It should be noted that the residual power is, for example, the difference between the maximum power of the device and all the allocated powers. Since only the first output terminal 220 is connected to the first external device before the second output terminal 320 is connected to the second external device for allocation, all the allocated powers at this time are, for example, the power allocated to the first port of the first output terminal 220, that is, the residual power at this time is the difference between the maximum power of the device and the power allocated to the first port. Based on the above, if there is residual power, the controller 100 sets the residual power to the second port allocated power of the second output terminal 320; if there is no residual power, the controller 100 divides the maximum power of the device equally into the first output terminal 220 and the second output terminal 320 for output.

[0064] It should be noted that the above only provides the case where two output terminals are connected to external devices. When three output terminals are connected to external devices, or four output terminals are connected to external devices, the allocation logic of the controller 100 is similar to the allocation logic of the above two output terminals.

[0065] For example, after the first output terminal 220 and the second output terminal 320 are respectively connected to the first external device and the second external device, it is detected that the third output terminal is connected to the third external device. The controller 100 preferentially determines whether there is residual power. If so, the residual power is set as the third port allocation power of the third output terminal. If not, the maximum power of the device is equally divided to each output terminal connected to the external device for output. In this solution, each output terminal connected to the external device is, for example, the first output terminal 220, the second output terminal 320 and the third output terminal.

[0066] For another example, after the first output terminal 220, the second output terminal 320 and the third output terminal 420 are respectively connected to the first external device, the second external device and the third external device, it is detected that the fourth output terminal is connected to the fourth external device. The controller 100 preferentially determines whether there is residual power. If so, the residual power is set as the fourth port allocation power of the fourth output terminal. If not, the maximum power of the device is equally divided to each output terminal connected to the external device for output. In this solution, each output terminal connected to the external device is, for example, the first output terminal 220, the second output terminal 320, the third output terminal and the fourth output terminal.

[0067] In addition, the dynamic power allocation method provided by the present application further includes, for example: after each predetermined time interval, the controller 100 sequentially executes the information acquisition step ( Figure 1 S15), the condition judgment step ( Figure 1 S17) and the power allocation step ( Figure 1 S19). For example, the predetermined time mentioned here is, for example, 1 minute, that is, every 1 minute, the controller 100 will obtain the port usage information of each output port, and then determine whether the dynamic power allocation conditions are met based on the port usage information. If so, dynamic power allocation is performed. It should be noted that the predetermined time mentioned here can be set according to actual needs, and this application is not limited to this. In this way, the controller 100 can dynamically allocate power in real time based on the current power usage of each port, thereby avoiding power waste.

[0068] In addition, the dynamic power allocation method provided in the present application further includes, for example: when any one of the output terminals is connected to the external device or the external device is unplugged from any one of the output terminals, the controller 100 sequentially executes the information acquisition step ( Figure 1 S15), the condition judgment step ( Figure 1 S17) and the power allocation step ( Figure 1 For example, when the status of each output port changes, the controller 100 obtains port usage information for each output port and determines whether dynamic power allocation conditions are met based on the port usage information. If so, dynamic power allocation is performed. This allows the controller 100 to dynamically allocate power in real time based on the current power usage of each port when each external device is connected or disconnected, thereby avoiding power waste.

[0069] To summarize, the dynamic power allocation method for a multi-output charging device provided in an embodiment of the present invention determines whether the allocation conditions are met based on the maximum power of the device and the port usage information of each output port. If the conditions are met, the power is redistributed according to the allocation rules. This enables real-time dynamic power allocation based on the current power usage of each port, meets most application scenarios, avoids power waste, and is compatible with high-power devices such as laptops, and achieves the effect of shortening the charging time.

[0070] In addition, it can be understood that the aforementioned embodiments are merely exemplary descriptions of the present invention. Under the premise that the technical features do not conflict, the structures do not contradict, and the purpose of the present invention is not violated, the technical solutions of the various embodiments can be arbitrarily combined and used in combination.

[0071] In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components that can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed can be through some interface, indirect coupling or communication connection of devices or units, which can be electrical, mechanical, or other forms.

[0072] Units described as separate components may or may not be physically separate, and components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0073] In addition, the functional units / modules in various embodiments of the present invention may be integrated into a single processing unit / module, each unit / module may exist physically separately, or two or more units / modules may be integrated into a single unit / module. The aforementioned integrated units / modules may be implemented in the form of hardware or hardware plus software functional units / modules.

[0074] The above-mentioned integrated unit / module implemented in the form of a software functional unit / module can be stored in a computer-readable storage medium. The above-mentioned software functional unit is stored in a storage medium and includes a number of instructions for causing one or more processors of a computer device (which can be a personal computer, server, or network device, etc.) to execute some steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk, etc., various media that can store program code.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A dynamic power distribution method for a multi-output charging device, characterized in that: include: Information acquisition step: acquiring port usage information of each output port, wherein the port usage information includes the port allocated power of the output port and the power usage rate of the output port; Condition judgment step: judging whether a dynamic power allocation condition is met according to the maximum power of the device and the port usage information of each output end; Power allocation step: If the conditions are met, power allocation is performed according to the dynamic power allocation rule, the maximum power of the device and the port usage information of each output end, so that each output end can output the corresponding target output power.

2. The dynamic power distribution method for a multi-output charging device according to claim 1, wherein: The dynamic power allocation conditions include: The maximum power of the device is greater than the sum of the port allocated powers of each of the output ports, or the power usage rate of at least one of the output ports is less than 100%; and The power usage rate of at least one of the output terminals is greater than a first power usage rate, and the power usage rate of at least another of the output terminals is less than a second power usage rate, wherein the first power usage rate is greater than the second power usage rate.

3. The dynamic power distribution method for a multi-output charging device according to claim 2, wherein: The first power usage rate is greater than or equal to 80%, and the second power usage rate is less than or equal to 60%.

4. The dynamic power distribution method for a multi-output charging device according to claim 1, wherein: The dynamic power allocation rules include: obtaining power to be allocated; and Power allocation is performed according to the power to be allocated and the port usage information of the output end.

5. The dynamic power distribution method for a multi-output charging device according to claim 4, wherein: The port usage information includes port output voltage; The performing power allocation according to the power to be allocated and the port usage information of the output end specifically includes: The output end with a power utilization rate greater than 80% is defined as a power output end to be allocated. If there are at least two power output ends to be allocated, power allocation is performed in the following order of priority: determining whether the output end is a special type output end according to the port output voltage of the output end, and if so, allocating a first preset power to the special type output end; Allocating the power to the output end with the highest power usage rate among the at least two power output ends to be allocated; Assigning to the output terminal first connected to the external device; Evenly distribute the power to the output end to be distributed.

6. The dynamic power distribution method for a multi-output charging device according to claim 1, wherein: The output end includes a first output end, the first output end is connected to a first external device, the first output end has first port usage information, and the first port usage information includes a first port requested power; Before the information acquisition step, the method further includes: detecting that the first output terminal is connected to the first external device; Power allocation is performed according to an initial power allocation rule and the first port request power of the first output end.

7. The dynamic power distribution method for a multi-output charging device according to claim 6, wherein: The first port usage information includes the first port output voltage; the initial power allocation rule includes: When it is determined that the first port usage information of the first output port is first type information, setting the first port allocated power to the first port requested power; When it is determined that the first port usage information of the first output port is the second type of information, allocation is performed according to the following rules: When the output voltage of the first port is greater than 18V and the requested power of the first port is less than or equal to the first requested power W1, the power allocated to the first port is configured to be the first configured power W1+N1, where N1 is a positive integer greater than or equal to 2; When the first port requested power is less than the second requested power W2, the first port allocated power is configured to the second configured power W2+N2, where N2 is a positive integer greater than or equal to 5; When the first port requested power is less than the third requested power W3, the power allocated to the first port is configured to be the third requested power W3.

8. The dynamic power distribution method for a multi-output charging device according to claim 7, wherein: The first requested power W1 is 45W, and the first configured power W1+N1 is 47W; The second requested power W2 is 15W, and the second configured power W2+N2 is 20W; The third requested power W3 is 5W.

9. The dynamic power distribution method for a multi-output charging device according to claim 6, wherein: The output end further includes a second output end, the second output end is connected to a second external device, and the second output end has second port usage information; Before the information acquisition step, the method further includes: detecting that the second output terminal is connected to the second external device; Performing power allocation according to the initial power allocation rule and the first port allocation power; The initial power allocation rule includes: Determining whether there is surplus power, wherein the surplus power is the difference between the maximum power of the device and the power allocated to the first port; If so, setting the remaining power as the second port allocated power of the second output end; If not present, the maximum power of the device is equally divided to the first output terminal and the second output terminal for output.

10. The dynamic power distribution method for a multi-output charging device according to any one of claims 1 to 9, wherein: Also includes: After each predetermined time interval, the information acquisition step, the condition judgment step and the power allocation step are sequentially performed; and / or, When any one of the output terminals is connected to the external device, or when the external device is unplugged from any one of the output terminals, the information acquisition step, the condition judgment step, and the power distribution step are performed in sequence.

11. A multi-output charging device, characterized in that: include: A controller, configured to execute the dynamic power allocation method according to any one of claims 1 to 10, wherein the output end comprises at least a first output end and a second output end; a first output circuit, comprising a first output protocol chip and the first output end, the first output protocol chip being electrically connected to the controller, the first output end being electrically connected to the first output protocol chip, and the first output end being used to connect to a first external device; The second output circuit includes a second output protocol chip and the second output end, the second output protocol chip is electrically connected to the controller, the second output end is electrically connected to the second output protocol chip, and the second output end is used to connect to a second external device.

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