Charging device based on dynamic power distribution according to insertion order and wireless charging apparatus
By dynamically allocating output power through insertion detection circuit and power switching circuit, the shortcomings of fixed power allocation in multi-port chargers are solved. Higher power is given priority to the first connected device, which meets the charging needs of different devices, avoids resource waste, and improves charging efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- INTMAN LIGHTING ELECTRONICS (CHANGZHOU) CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-06-26
AI Technical Summary
Existing multi-port chargers use a fixed power allocation strategy, which results in insufficient flexibility and an inability to meet the dynamic power requirements of different devices, especially when using a single port, where the total power cannot be fully utilized.
The connection sequence of electronic devices is detected by the insertion detection circuit, and the output power is dynamically allocated in conjunction with the power switching circuit and the power output circuit. Priority is given to providing higher power to the devices that are connected first, and the power allocation of each output interface is adjusted according to the insertion sequence.
It achieves dynamic allocation of output power based on the insertion order, avoiding resource waste, meeting the charging needs of different electronic devices, and improving charging efficiency.
Smart Images
Figure CN224418494U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of power distribution technology, specifically relating to charging equipment, and more particularly to a charging device and a wireless charging device based on dynamic power distribution according to insertion order. Background Technology
[0002] Existing multi-port chargers employ fixed power allocation strategies, such as equal power sharing between dual USB-C ports or preset master / slave ports. However, these strategies have the following drawbacks: insufficient flexibility, preventing users from obtaining higher power privileges when using a particular port; fixed allocation may prevent the first device inserted from obtaining optimal power, especially when using a single port, thus failing to fully utilize the total power; and insufficient response to the dynamic power demands of devices with different protocols, affecting charging efficiency.
[0003] Therefore, there is an urgent need to develop a new charging device and wireless charging equipment based on dynamic power allocation according to insertion order to solve the technical problem that multi-port chargers using fixed power allocation cannot adapt to the needs of different devices.
[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content
[0005] This disclosure provides at least one charging device and a wireless charging device based on insertion order dynamic power allocation.
[0006] In a first aspect, embodiments of this disclosure provide a charging device, comprising: a control module, a power switching circuit, an insertion detection circuit, and a power output circuit; wherein the power switching circuit is electrically connected to the control module, the insertion detection circuit is electrically connected to both the power switching circuit and the power output circuit, and the power switching circuit is electrically connected to the power output circuit; the control module is configured to detect access signals or disconnect signals of each output interface in the power output circuit through the power switching circuit and the insertion detection circuit; the control module is further configured to adjust the output power of each output interface in the power output circuit through the power switching circuit.
[0007] In one optional embodiment, the power switching circuit includes: at least two power switching chips and at least two control transistors; each power switching chip is electrically connected to a control module, each power switching chip is electrically connected to an insertion detection circuit, and each power switching chip is electrically connected to a power output circuit through a corresponding control transistor; the power switching chip is configured to send an access signal or a disconnect signal of each output interface in the power output circuit to the control module after the insertion detection circuit detects the access signal or disconnect signal; the power switching chip is also configured to receive a control signal from the control module to drive the control transistor to adjust the output power of the corresponding output interface in the power output circuit.
[0008] In one optional embodiment, a first power switching chip, a second power switching chip, a first control transistor, and a second control transistor are provided. The first power switching chip and the second power switching chip are electrically connected to the control module, the first power switching chip is electrically connected to the first control transistor, and the second power switching chip is electrically connected to the second control transistor. The first power switching chip is configured to drive the corresponding output interface in the first control transistor power output circuit to output at a first output power. The first power switching chip is also configured to drive the corresponding output interface in the first control transistor power output circuit to output at the first output power, and the second power switching chip is configured to drive the corresponding output interface in the second control transistor power output circuit to output at a second output power. The second power switching chip is also configured to drive the corresponding output interface in the first control transistor power output circuit to output at the first output power, and the first power switching chip is configured to drive the corresponding output interface in the second control transistor power output circuit to output at the first output power.
[0009] In one optional embodiment, the insertion detection circuit includes: a plurality of trigger detection resistors; each of the trigger detection resistors is electrically connected to a corresponding power switching chip, and each of the trigger detection resistors is electrically connected to a corresponding output interface in the power output circuit; the power switching chip is configured to detect the access signal or disconnection signal of the corresponding output interface in the power output circuit through each trigger detection resistor.
[0010] In one optional embodiment, the insertion detection circuit further includes: a plurality of feedback resistors; each feedback resistor is electrically connected to a corresponding power switching chip, and each feedback resistor is electrically connected to a corresponding output interface in the power output circuit; the power switching chip is configured to detect the output power of the corresponding output interface in the power output circuit through each feedback resistor.
[0011] In one optional embodiment, the power output circuit includes: at least two output interfaces; each output interface is electrically connected to a power switching circuit and each output interface is electrically connected to an insertion detection circuit; the output interfaces are adapted to output an access signal or a disconnect signal to the power switching circuit via the insertion detection circuit when an electronic device is accessed or removed; the output interfaces are also adapted to output a corresponding output power under the adjustment of the power switching circuit.
[0012] Secondly, embodiments of this disclosure also provide a wireless charging device, comprising: a charging unit and at least two wireless chargers; each of the wireless chargers is electrically connected to the charging unit; wherein the charging unit is configured to adjust the output power of each wireless charger.
[0013] In one optional embodiment, the charging device includes: a control module, a power switching circuit, an insertion detection circuit, and a power output circuit; wherein the power switching circuit is electrically connected to the control module, the insertion detection circuit is electrically connected to both the power switching circuit and the power output circuit, the power switching circuit is electrically connected to the power output circuit, and each wireless charger is electrically connected to a corresponding output interface in the power output circuit; the control module is configured to detect the power-on or power-off signal of each output interface in the power output circuit through the power switching circuit and the insertion detection circuit; the control module is further configured to adjust the output power of each output interface in the power output circuit through the power switching circuit, thereby adjusting the output power of each wireless charger.
[0014] In one optional embodiment, the power switching circuit includes: at least two power switching chips and at least two control transistors; each power switching chip is electrically connected to a control module, each power switching chip is electrically connected to an insertion detection circuit, and each power switching chip is electrically connected to a power output circuit through a corresponding control transistor; the power switching chip is configured to send an access signal or a disconnect signal of each output interface in the power output circuit to the control module after the insertion detection circuit detects the access signal or disconnect signal; the power switching chip is also configured to receive a control signal from the control module to drive the control transistor to adjust the output power of the corresponding output interface in the power output circuit.
[0015] In one optional embodiment, the insertion detection circuit includes: a plurality of trigger detection resistors and a plurality of feedback resistors; each trigger detection resistor is electrically connected to a corresponding power switching chip, and each trigger detection resistor is electrically connected to a corresponding output interface in the power output circuit; each feedback resistor is electrically connected to a corresponding power switching chip, and each feedback resistor is electrically connected to a corresponding output interface in the power output circuit; the power switching chip is configured to detect an access signal or a disconnect signal of a corresponding output interface in the power output circuit through each trigger detection resistor; the power switching chip is configured to detect the output power of a corresponding output interface in the power output circuit through each feedback resistor; the power output circuit includes: at least two output interfaces; each output interface is electrically connected to the power switching circuit, and each output interface is electrically connected to the insertion detection circuit; the output interfaces are adapted to output an access signal or a disconnect signal to the power switching circuit via the insertion detection circuit when an electronic device is accessed or disconnected; the output interfaces are also adapted to output a corresponding output power under the adjustment of the power switching circuit.
[0016] The beneficial effects of this utility model are that it can detect the connection sequence of electronic devices through the insertion detection circuit, and, together with the power switching circuit and power output circuit, can dynamically allocate output power according to the insertion sequence, giving priority to increasing the power of the first connected electronic device. Furthermore, since each output interface is different, it can avoid the problem of resource waste caused by the equal distribution of output power among all output interfaces, and can meet the charging needs of different electronic devices.
[0017] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.
[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0020] Figure 1 A schematic block diagram of a charging device provided in an embodiment of this disclosure;
[0021] Figure 2 A circuit diagram of a control module provided in an embodiment of this disclosure;
[0022] Figure 3 The first part of a circuit diagram of a power switching circuit provided in an embodiment of this disclosure;
[0023] Figure 4 The first part of a circuit diagram of an insertion detection circuit provided in an embodiment of this disclosure;
[0024] Figure 5 The second part of a circuit diagram of a power switching circuit provided in an embodiment of this disclosure;
[0025] Figure 6 This is the second part of a circuit diagram of an insertion detection circuit provided in an embodiment of the present disclosure.
[0026] In the picture:
[0027] U2, control module; U7, first power switching chip; U8, second power switching chip; Q1, first control transistor; Q2, second control transistor. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0029] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be restrictive. As used herein, the singular articles “a,” “one,” and “the” may also be intended to include plural forms unless otherwise clearly stated above.
[0030] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.
[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0032] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.
[0033] like Figures 1 to 6 As shown, at least one embodiment provides a charging device, which includes: a control module U2, a power switching circuit, an insertion detection circuit, and a power output circuit; wherein the power switching circuit is electrically connected to the control module U2, the insertion detection circuit is electrically connected to both the power switching circuit and the power output circuit, and the power switching circuit is electrically connected to the power output circuit; the control module U2 is configured to detect the access signal or disconnection signal of each output interface in the power output circuit through the power switching circuit and the insertion detection circuit; the control module U2 is also configured to adjust the output power of each output interface in the power output circuit through the power switching circuit.
[0034] Specifically, please refer to Figure 2 The control module U2 can be a microcontroller, model STM32G030, which has a high-speed ADC and multiple PWM outputs.
[0035] In at least one embodiment, the insertion detection circuit can detect the connection order of electronic devices, and in conjunction with the power switching circuit and the power output circuit, the output power can be dynamically allocated according to the insertion order, giving priority to increasing the power of the first connected electronic device. Furthermore, since each output interface is different, the problem of resource waste caused by the equal distribution of output power among all output interfaces can be avoided, thus meeting the charging needs of different electronic devices.
[0036] In at least one embodiment, please refer to Figure 3 , Figure 5 The power switching circuit includes at least two power switching chips and at least two control transistors; each power switching chip is electrically connected to the control module U2, each power switching chip is electrically connected to the insertion detection circuit, and each power switching chip is electrically connected to the power output circuit through a corresponding control transistor; the power switching chip is configured to send an access signal or a disconnect signal of each output interface in the power output circuit to the control module U2 after the insertion detection circuit detects the access signal or disconnect signal; the power switching chip is also configured to receive a control signal from the control module U2 to drive the control transistor to adjust the output power of the corresponding output interface in the power output circuit.
[0037] Specifically, the power switching chip can be the SW3516PB chip, which supports dual C-port PD3.0 / PPS protocol. The control transistor can be a MOSFET, specifically the AD40N50D3 (DFN3×3 package), with an on-resistance as low as 4mΩ, reducing power loss.
[0038] Specifically, the control module U2 outputs a PWM signal to the corresponding power switching chip to control the conduction level of the corresponding control transistor, thereby dynamically adjusting the output current of each output interface. When a single output interface is inserted, the corresponding control transistor is fully turned on. When two output interfaces are inserted, the control transistor corresponding to the first inserted output interface remains fully turned on, while the control transistor corresponding to the later inserted output interface is limited to turn on.
[0039] In at least one embodiment, please refer to Figure 3 , Figure 5 The system comprises a first power switching chip U7, a second power switching chip U8, a first control transistor Q1, and a second control transistor Q2. The first power switching chip U7 and the second power switching chip U8 are electrically connected to the control module U2, respectively. The first power switching chip U7 is electrically connected to the first control transistor Q1, and the second power switching chip U8 is electrically connected to the second control transistor Q2. The first power switching chip U7 is configured to drive the first control transistor Q1 to adjust the corresponding output interface in the power output circuit to output at a first output power. The first power switching chip U7 is configured to drive the second control transistor Q2 to adjust the corresponding output interface in the power output circuit to output at the second output power; the second power switching chip U8 is configured to drive the first control transistor Q1 to adjust the corresponding output interface in the power output circuit to output at the first output power; the first power switching chip U7 is configured to drive the first control transistor Q1 to adjust the corresponding output interface in the power output circuit to output at the second output power, and the second power switching chip U8 is configured to drive the second control transistor Q2 to adjust the corresponding output interface in the power output circuit to output at the first output power.
[0040] Specifically, the total output power can be 45W, the first output power can be 25W, and the second output power can be 20W.
[0041] In at least one embodiment, please refer to Figure 4 , Figure 6The insertion detection circuit includes: a plurality of trigger detection resistors; each trigger detection resistor is electrically connected to a corresponding power switching chip, and each trigger detection resistor is electrically connected to a corresponding output interface in the power output circuit; the power switching chip is configured to detect the access signal or disconnection signal of the corresponding output interface in the power output circuit through each trigger detection resistor.
[0042] Specifically, by setting a trigger detection resistor, the insertion order of the output interfaces can be determined, thereby allocating the output power of each output interface.
[0043] Specifically, please refer to Figure 4 Trigger detection resistors R45 and R46 are connected to the corresponding output interfaces through connection terminals D1- and D1+, respectively. Trigger detection resistors R45 and R46 are connected to the corresponding power switching chips through connection terminals DMC_1- and DPC_1+, respectively, to detect the access signal or disconnection signal of the corresponding output interface.
[0044] Specifically, please refer to Figure 6 Trigger detection resistors R66 and R67 are connected to the corresponding output interfaces through connection terminals D2+ and D2-, respectively. Trigger detection resistors R66 and R67 are connected to the corresponding power switching chips through connection terminals DPC_2+ and DMC_2-, respectively, to detect the access signal or disconnection signal of the corresponding output interface.
[0045] In at least one embodiment, please refer to Figure 4 , Figure 6 The insertion detection circuit further includes: a plurality of feedback resistors; each feedback resistor is electrically connected to a corresponding power switching chip, and each feedback resistor is electrically connected to a corresponding output interface in the power output circuit; the power switching chip is configured to detect the output power of the corresponding output interface in the power output circuit through each feedback resistor.
[0046] Specifically, the function of the feedback resistor is to provide feedback on the output current at the output interface, thereby enabling the detection of output power.
[0047] Specifically, please refer to Figure 4 Feedback resistors R59 and R60 are connected to the corresponding output interfaces through connection terminals CC1_1 and CC2_1, respectively. Feedback resistors R59 and R60 are connected to the corresponding power switching chips through connection terminals C1_1 and C2_1, respectively, to realize the detection of the output power of the corresponding output interface in the power output circuit.
[0048] Specifically, please refer to Figure 6Feedback resistors R64 and R65 are connected to the corresponding output interfaces through connection terminals CC2_2 and CC1_2, respectively. Feedback resistors R64 and R65 are also connected to the corresponding power switching chips through connection terminals C2_2 and C1_2, respectively, to detect the output power of the corresponding output interface in the power output circuit.
[0049] In at least one embodiment, please refer to Figure 3 , Figure 5 The power output circuit includes: at least two output interfaces; each output interface is electrically connected to a power switching circuit and each output interface is electrically connected to an insertion detection circuit; the output interfaces are adapted to output an access signal or a removal signal to the power switching circuit via the insertion detection circuit when an electronic device is accessed or removed; the output interfaces are also adapted to output a corresponding output power under the adjustment of the power switching circuit.
[0050] Specifically, after the first output interface is connected to the electronic device, it will receive the first output power first. After subsequent output interfaces are connected to the electronic device, the remaining output power will be automatically allocated, and the priority will be dynamically determined according to the insertion order.
[0051] Specifically, when both output ports are connected to electronic devices, if an electronic device is unplugged from either output port, the other output port will automatically increase its power to the first output power.
[0052] Specifically, please refer to Figure 3 , Figure 5 It is equipped with a first output interface C1 and a second output interface C2, both of which support fast charging protocols such as PD / PPS.
[0053] Based on the same technical concept, at least one embodiment also provides a wireless charging device, which includes: a charging device and at least two wireless chargers; each of the wireless chargers is electrically connected to the charging device; wherein the charging device is configured to adjust the output power of each wireless charger.
[0054] In at least one embodiment, the charging device includes: a control module U2, a power switching circuit, an insertion detection circuit, and a power output circuit; wherein the power switching circuit is electrically connected to the control module U2, the insertion detection circuit is electrically connected to both the power switching circuit and the power output circuit, the power switching circuit is electrically connected to the power output circuit, and each wireless charger is electrically connected to a corresponding output interface in the power output circuit; the control module U2 is configured to detect the power-on or power-off signals of each output interface in the power output circuit through the power switching circuit and the insertion detection circuit; the control module U2 is further configured to adjust the output power of each output interface in the power output circuit through the power switching circuit to adjust the output power of each wireless charger.
[0055] In at least one embodiment, the power switching circuit includes: at least two power switching chips and at least two control transistors; each power switching chip is electrically connected to the control module U2, each power switching chip is electrically connected to the insertion detection circuit, and each power switching chip is electrically connected to the power output circuit through a corresponding control transistor; the power switching chip is configured to send an access signal or a disconnect signal of each output interface in the power output circuit to the control module U2 after the insertion detection circuit detects the access signal or disconnect signal; the power switching chip is also configured to receive a control signal from the control module U2 to drive the control transistor to adjust the output power of the corresponding output interface in the power output circuit.
[0056] In at least one embodiment, the insertion detection circuit includes: a plurality of trigger detection resistors and a plurality of feedback resistors; each trigger detection resistor is electrically connected to a corresponding power switching chip, and each trigger detection resistor is electrically connected to a corresponding output interface in the power output circuit; each feedback resistor is electrically connected to a corresponding power switching chip, and each feedback resistor is electrically connected to a corresponding output interface in the power output circuit; the power switching chip is configured to detect an access signal or a disconnect signal of a corresponding output interface in the power output circuit through each trigger detection resistor; the power switching chip is configured to detect the output power of a corresponding output interface in the power output circuit through each feedback resistor; the power output circuit includes: at least two output interfaces; each output interface is electrically connected to the power switching circuit, and each output interface is electrically connected to the insertion detection circuit; the output interfaces are adapted to output an access signal or a disconnect signal to the power switching circuit via the insertion detection circuit when an electronic device is accessed or disconnected; the output interfaces are also adapted to output a corresponding output power under the adjustment of the power switching circuit.
[0057] In summary, this utility model can detect the connection sequence of electronic devices through the insertion detection circuit, and, together with the power switching circuit and power output circuit, can dynamically allocate output power according to the insertion sequence, giving priority to increasing the power of the first connected electronic device. Furthermore, since each output interface is different, it can avoid the problem of resource waste caused by the equal distribution of output power among all output interfaces, and can meet the charging needs of different electronic devices.
[0058] The disclosures and other solutions, examples, embodiments, modules and functional operations described in this document can be implemented in digital electronic circuits, or computer software, firmware or hardware, including the structures disclosed in this document and their structural equivalents, or combinations thereof.
[0059] While this patent document contains numerous details, it should not be construed as limiting any utility model or the scope of the claims, but rather as a description of features of a particular embodiment of a particular utility model. Certain features described in the context of individual embodiments may also be implemented in combination in a single embodiment. Conversely, various functions described in the context of a single embodiment may also be implemented individually in multiple embodiments, or in any suitable sub-combination. Furthermore, although the foregoing features may be described as functioning in certain combinations, or even initially claimed to be so, in some cases one or more features from a combination of claims may be removed from the combination, and a combination of claims may refer to a sub-combination or a variation of a sub-combination.
[0060] Similarly, although the operations are described in a specific order in the accompanying drawings, this should not be construed as requiring the specific order or sequence shown to perform such operations, or all the described operations, in order to obtain the desired result. Furthermore, the separation of various system components in the embodiments of this patent document should not be construed as requiring such separation in all embodiments.
[0061] Only some implementations and examples are described; other implementations, enhancements, and variations can be made based on the content described and illustrated in this patent document.
[0062] When no intermediate component exists other than a line, trace, or other medium between the first and second components, the first component is directly coupled to the second component. When an intermediate component other than a line, trace, or other medium exists between the first and second components, the first component is indirectly coupled to the second component. The term "coupling" and its variations include direct coupling and indirect coupling. Unless otherwise stated, the term "about" is used to mean a range including upper and lower 10% of the value.
[0063] While several embodiments are provided in this disclosure, it should be understood that the disclosed systems and methods may be embodied in many other specific forms without departing from the spirit or scope of this disclosure. The present examples are intended to be illustrative rather than restrictive and are not limited to the details given. For example, various elements or components may be combined or integrated into another system, or certain features may be omitted or not implemented.
[0064] In the several embodiments provided herein, it should be understood that the disclosed apparatus and methods can also be implemented in other ways. The apparatus embodiments described above are merely illustrative; for example, the flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods, and computer program products according to various embodiments of the present invention. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in a different order than those marked in the drawings. For example, two consecutive blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in a block diagram and / or flowchart, and combinations of blocks in block diagrams and / or flowcharts, can be implemented using a dedicated hardware-based system that performs the specified function or action, or using a combination of dedicated hardware and computer instructions.
[0065] Furthermore, without departing from the scope of this disclosure, the discrete or individual technologies, systems, subsystems, and methods described and illustrated in the various embodiments may be combined or integrated with other systems, modules, technologies, or methods. Other items shown or discussed as coupled may be directly connected or indirectly coupled or communicated via some interface, device, or intermediate component in an electrical, mechanical, or other manner. Those skilled in the art can identify other examples of changes, substitutions, and modifications without departing from the spirit and scope of this disclosure.
Claims
1. A charging device based on dynamic power allocation according to insertion order, characterized in that, include: Control module (U2), power switching circuit, insertion detection circuit and power output circuit; in The power switching circuit is electrically connected to the control module (U2), and the insertion detection circuit is electrically connected to the power switching circuit and the power output circuit respectively, and the power switching circuit is electrically connected to the power output circuit. The control module (U2) is configured to detect the access signal or disconnect signal of each output interface in the power output circuit through the power switching circuit and the insertion detection circuit. The control module (U2) is also configured to adjust the output power of each output interface in the power output circuit through a power switching circuit; The power switching circuit includes at least two power switching chips and at least two control transistors; Each of the power switching chips is electrically connected to the control module (U2), each of the power switching chips is electrically connected to the insertion detection circuit, and each of the power switching chips is electrically connected to the power output circuit through a corresponding control transistor. The power switching chip is configured to send an access signal or a disconnect signal to each output interface in the power output circuit after the insertion detection circuit detects the access signal or disconnect signal. The power switching chip is also configured to receive control signals from the control module (U2) to drive the control tube to adjust the output power of the corresponding output interface in the power output circuit; The insertion detection circuit includes: a plurality of trigger detection resistors; Each of the aforementioned trigger detection resistors is electrically connected to the corresponding power switching chip, and each of the aforementioned trigger detection resistors is electrically connected to the corresponding output interface in the power output circuit. The power switching chip is configured to detect the access signal or disconnection signal of the corresponding output interface in the power output circuit through each trigger detection resistor.
2. The charging device based on dynamic power allocation according to insertion order as described in claim 1, characterized in that, Configure a first power switching chip (U7), a second power switching chip (U8), a first control transistor (Q1), and a second control transistor (Q2); The first power switching chip (U7) and the second power switching chip (U8) are electrically connected to the control module (U2), the first power switching chip (U7) is electrically connected to the first control transistor (Q1), and the second power switching chip (U8) is electrically connected to the second control transistor (Q2). The first power switching chip (U7) is configured to drive the first control transistor (Q1) to adjust the corresponding output interface in the power output circuit to output according to the first output power; The first power switching chip (U7) is configured to drive the first control transistor (Q1) to adjust the corresponding output interface in the power output circuit to output at the first output power, and the second power switching chip (U8) is configured to drive the second control transistor (Q2) to adjust the corresponding output interface in the power output circuit to output at the second output power; The second power switching chip (U8) is configured to drive the first control transistor (Q1) to adjust the corresponding output interface in the power output circuit to output according to the first output power; The first power switching chip (U7) is configured to drive the first control transistor (Q1) to adjust the corresponding output interface in the power output circuit to output at the second output power, and the second power switching chip (U8) is configured to drive the second control transistor (Q2) to adjust the corresponding output interface in the power output circuit to output at the first output power.
3. The charging device based on insertion sequence dynamic power allocation as described in claim 1, characterized in that, The insertion detection circuit further includes: several feedback resistors; Each of the feedback resistors is electrically connected to the corresponding power switching chip, and each of the feedback resistors is electrically connected to the corresponding output interface in the power output circuit. The power switching chip is configured to detect the output power of the corresponding output interface in the power output circuit through each feedback resistor.
4. The charging device based on dynamic power allocation according to insertion order as described in claim 1, characterized in that, The power output circuit includes at least two output interfaces; Each output interface is electrically connected to the power switching circuit, and each output interface is electrically connected to the insertion detection circuit. The output interface is adapted to output an access signal or a disconnection signal to the power switching circuit via the insertion detection circuit when an electronic device is connected or disconnected. The output interface is also adapted to output the corresponding output power under the adjustment of the power switching circuit.
5. A wireless charging device, characterized in that, include: The charging device as described in any one of claims 1-4 and at least two wireless chargers; Each of the wireless chargers is electrically connected to the charging device; in The charging device is configured to adjust the output power of each wireless charger.