CN113690957A

CN113690957A - Adapter and output control method thereof

Info

Publication number: CN113690957A
Application number: CN202110789873.5A
Authority: CN
Inventors: 刘文举; 张晨; 秦真
Original assignee: Huawei Digital Power Technologies Co Ltd
Current assignee: Huawei Digital Power Technologies Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-23

Abstract

The application provides an adapter and an output control method thereof, wherein the adapter comprises an adapter body and an output interface module, and the output interface module is used for connecting the adapter body; the adapter body comprises a first power conversion unit, a control unit and a direct current bus, wherein one end of the first power conversion unit is connected with an alternating current power supply, and the other end of the first power conversion unit is connected with the direct current bus; the control unit is connected with the first power conversion unit and provides a signal control contact externally. The control unit is used for controlling the first power conversion unit to convert alternating current input by the alternating current power supply into direct current and output the direct current to the output interface module through the direct current bus when the signal control contact detects that the output interface module is connected with the adapter body; the output interface module is used for connecting the direct current bus and converting the bus voltage of the direct current bus into a target output voltage. By adopting the method and the device, the combination flexibility of the output interface of the adapter can be improved, and the applicability is strong.

Description

Adapter and output control method thereof

Technical Field

The present application relates to the field of power electronics technologies, and in particular, to an adapter and an output control method thereof.

Background

At present, the dependence degree of people on electronic equipment such as notebook computers, smart phones and tablet computers is higher and higher, and the charging frequency and the charging demand of the electronic equipment are also higher and higher. With the increasing number of electronic devices charged by using Universal Serial Bus (USB), multi-port adapters (i.e., adapters with multiple output interfaces) are becoming the mainstream. Because different electronic equipment product designs are different, for satisfying different electronic equipment's demand of charging, many mouthfuls of adapters are equipped with a plurality of USB output interface usually at present, for example a plurality of USBType-A output interface (or for short Type-A mouth), a plurality of USBType-C output interface (or for short Type-C mouth), or a plurality of Type-A mouths and Type-C mouth combination etc. the output interface's of many mouthfuls of adapters combination form is various, and application scope is wide.

The inventor of the present application finds, in research and practice, that, as shown in fig. 1, in the prior art, a multi-port adapter only provides a power interface and an output interface to the outside, the power interface is used for connecting alternating current power supplies such as mains supply, and the output interface can have various combinations for connecting loads. When the output interface is connected to the load, the multi-port adapter obtains the charging voltage required by the load directly based on the voltage provided by the power supply and provides the charging voltage to the load through the output interface. The output interfaces of the multi-port adapter are factory-equipped output interfaces, the output interfaces cannot be replaced, the multi-port adapter can only supply power to loads accessed through the factory-configured output interfaces, and the multi-port adapter cannot be accessed and used by loads with other types of interfaces. However, different users have different requirements for the output interfaces of the adapters, and the same user has different requirements for the interfaces of the adapters when using different electronic devices in different scenes.

Disclosure of Invention

The application provides an adapter and an output control method thereof, which can improve the combination flexibility of an output interface of the adapter, improve the applicability of the adapter and enhance the user stickiness of the adapter.

In a first aspect, the present application provides an adapter, which includes an adapter body and at least one output interface module, where the output interface module is used to connect to the adapter body, where one or more output interface modules can establish a physical connection with the adapter body through multiple connection methods, and each output interface module provides at least one output interface to the outside, where the output interface is used to connect to a load. The adapter body can comprise a first power conversion unit, a control unit and a direct current bus, wherein one end of the first power conversion unit is connected with an alternating current power supply, and the other end of the first power conversion unit is connected with the direct current bus; the control unit is connected to the first power conversion unit and provides at least one set of signal control contacts to the outside, it is understood that one set of signal control contacts may be one signal control contact or a plurality of signal control contacts for connecting the same object, and the plurality of sets of signal control contacts may be used for connecting a plurality of objects, and may be determined according to product forms of the adapter body and/or the signal control contacts, which is not limited herein. The output interface module can be used to connect the direct current bus and the signal control contacts of the adapter body to establish electrical connection of the output interface module with the adapter body. The control unit may be configured to control the first power conversion unit to convert ac power input by the ac power supply into dc power and output the dc power to the output interface module through the dc bus when it is detected that the output interface module is connected to the adaptor body through the at least one set of signal control contacts, that is, the adaptor body may supply power to the output interface module through the dc bus. The output interface module is used for converting the bus voltage of the direct current bus into a target output voltage for the load connected with the output interface of the output interface module to use.

In this application, adapter body and output interface module can be two independent products that exist to can splice the connection according to practical application scene demand, easy operation, adapter body and output interface module's physical connection mode is nimble, and the suitability is high. Here, the adaptor body and the output interface module may be connected with power and signals through the DC bus and the signal control contact, and the type of the output interface provided to the outside by the output interface module may be any interface type, including but not limited to the usb type-A, USBType-C or the DC circular interface. No matter what interface type the output interface module provides to the outside, the adapter body and the output interface module can cooperate to accomplish the output voltage demand of the output interface module provided to the outside through the output interface module, the adapter body can be used to realize the power supply and the control of the supply voltage to the output interface module of the back level, the output interface module can realize the transformation from the bus voltage to the output voltage based on the bus voltage, and the combination flexibility of the output interface of the adapter can be improved. In addition, the function of the adapter is realized through the functional modules with two separated structures, and the volume of the adapter body and the volume of the output interface module can be smaller through the division work cooperation of the functions, so that the carrying convenience of the adapter body and the output interface module can be improved, the scene applicability of the adapter is improved, and the user viscosity of the adapter is enhanced.

With reference to the first aspect, in a first possible implementation manner, the output interface module may include a second power conversion unit, a protocol chip, and an output interface, where one end (i.e., an input end) of the second power conversion unit is used to connect the dc bus when the output interface module is physically connected to the adaptor body, in other words, when the output interface module is physically connected to the adaptor body, one end of the second power conversion unit may be used to connect the dc bus to establish an electrical connection between the output interface module and the adaptor body. The other end (i.e., the output end) of the second power conversion unit may be connected to the output interface. The first connecting end of the protocol chip is connected with the second power conversion unit, the second connecting end of the protocol chip is connected with the output interface, and the protocol chip can be used for obtaining the required power of the load when the output interface is connected with the load. In addition, the third connection end of the protocol chip may be configured to connect the signal control contact when the output interface module is physically connected to the adapter body, in other words, when the output interface module is physically connected to the adapter body, the third connection end of the protocol chip may be connected to the signal control contact provided by the control unit to implement signal connection between the output interface module and the adapter body, and the protocol chip may feed back the required power information of the load to the control unit when the third connection end is connected to the signal control contact. The required power information may be the magnitude of the required power, or may also be the magnitude of the maximum power or the magnitude of the minimum power, and the like, and may be specifically determined according to an actual application scenario, which is not limited herein. The control unit may be configured to obtain target power information based on the output power information of the first power conversion unit (i.e., the output power information of the adapter body) and the required power information, and feed back the target power information to the protocol chip. The protocol chip is further used for controlling a second power conversion unit in the output interface module to convert the bus voltage of the direct current bus into an output voltage corresponding to the required power information based on the target power information, so that the output voltage is used as the target output voltage for a load. The required power information may be the magnitude of the charging power of the load, the magnitude of the minimum charging power or the magnitude of the maximum charging power of the load, or the like. The target power information may be the magnitude of power (for convenience of description, the target power may be exemplified) allocated by the control unit to the load based on the magnitude of the output power of the adapter body, and here, the magnitude of power included in the target power information (or simply, the target power magnitude) may be greater than or equal to the magnitude of the required power included in the required power information. In other words, the power allocated by the adaptor body to the output interface module may be greater than or equal to the required power of the output interface module, and may be determined according to the actual application scenario. The protocol chip may also be a charging protocol chip, for example, a charging protocol chip supporting a high-pass QC protocol, a PD protocol, or an hua be SCP protocol, and the like, which may be determined according to an actual application scenario, and is not limited herein.

In this application, through the acquisition and the communication of the demand power information of output interface module realization load to and the conversion of the direct current voltage that the demand power information of load corresponds, can satisfy the different demands of the different loads that insert through output interface, strengthen the suitability of adapter, can separate out the partial function of traditional adapter from the adapter body simultaneously, can simplify the function of adapter body, simple structure, the suitability is high.

With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, the control unit may control, based on the target power information, the first power conversion unit to convert the ac power provided by the ac power source into the dc power corresponding to the target power information, and provide the dc power to the output interface module through the dc bus. In this application, the control unit can be based on the demand power information of load and the output power information of adapter body for output interface module distribution power, and at this moment, the busbar voltage of direct current bus can remain unchanged, that is to say, when different output interface modules insert, the busbar voltage of adapter body can remain unchanged, and the adapter body need not do the transform of different output voltage along with the access of different output interface modules, can simplify adapter body's circuit, reduces the loss of device. Meanwhile, the control unit may further control the first power conversion unit to perform voltage conversion and output the voltage-converted voltage to the dc bus based on target power information (e.g., the size of the target power) allocated to the load by the required power information (e.g., the size of the required power) of the load, so as to reduce a voltage difference between a bus voltage of the dc bus and an output voltage (e.g., a charging voltage) included in the required power information of the load, thereby reducing a device loss caused in a voltage conversion process in which the second power conversion unit of the output interface module converts the output voltage indicated in the required power information of the load based on the bus voltage, enhancing design flexibility of the adapter while enhancing a lifetime of the output interface module, and having higher applicability.

With reference to the first possible implementation manner or the second possible implementation manner of the first aspect, in a third possible implementation manner, the adapter includes at least two output interface modules (i.e., a plurality of output interface modules), and each of the plurality of output interface modules may be electrically connected to the adapter body so as to be connected to the dc bus of the adapter body in parallel, so as to implement power connection between the plurality of output interface modules and the adapter body. At this moment, the control unit in the adapter body can provide at least two sets of signal control contacts to the outside, and an output interface module in the plurality of output interface modules is connected with the control unit through a set of signal control contacts, can realize the signal connection of a plurality of output interface modules and adapter body, and easy operation. In this application, the control unit in the adaptor body may be further configured to obtain target power information of each output interface module and feed back the target power information to each output interface module based on the output power information of the first power conversion unit (i.e., the output power information of the adaptor body) and required power information of each load provided by (i.e., fed back by) each output interface module (i.e., each load to which the output interface module externally provided is connected to) each output interface module, where the target power information of each output interface module may include a magnitude of the target power allocated to each load by the control unit, and the output power of the adaptor body indicated by the output power information of the adaptor body is greater than or equal to a sum of the target powers allocated to each load. In other words, in this application, adapter body accessible concatenation connection's mode realization and a plurality of output interface module's structural connection, simultaneously accessible direct current bus and signal control contact realize with a plurality of output interface module's power and signal connection, the control unit in the adapter body can realize the power distribution and the control of a plurality of output interface module, thereby can realize adapter body and a plurality of output interface module's function interaction, with the supply of realization to a plurality of output interface module's power supply and demand power, can satisfy the user demand such as charging to a plurality of loads that insert through a plurality of output interface module, the user viscidity of adapter has been strengthened, high applicability.

With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner, the output interface module body externally provides at least one bayonet, and a physical connection is established with the adapter body through the bayonet. It can be understood that the adapter body can provide one or more bayonets externally, and a bayonet can be used to connect an output interface module, if the bayonet supports a plurality of output interface modules to connect, a bayonet also can be used to connect a plurality of output interface modules, and at this moment, still is an output interface module and connects the control unit of adapter body through a set of signal control contact, can guarantee that the control unit can accurately obtain the required power of the load that each output interface module inserts, and flexible operation, the suitability is high.

With reference to the third possible implementation manner of the first aspect, in a fifth possible implementation manner, the adapter body includes at least one plug-in module, and the output interface module establishes a physical connection with the adapter body through the plug-in module. It will be appreciated that the adapter body may include one or more plug-in modules (where a plug-in module may include a plug or a jack, etc.) and that one plug-in module may be used to connect to one output interface module. It can be understood that, along with the different expression forms of the plug-in modules of the adapter body, if necessary, the output interface module may also be configured with a corresponding plug-in module for plugging in the adapter body, which may be determined specifically according to an actual application scenario, and is not limited herein. In addition, if the plug-in module supports the connection of a plurality of output interface modules, one plug-in module can also be used for connecting a plurality of output interface modules, at the moment, one output interface module is still connected with the control unit of the adapter body through a group of signal control contacts, the control unit can be ensured to accurately obtain the required power of the load connected with each output interface module, and the plug-in module is flexible to operate and high in applicability.

With reference to the third possible implementation manner of the first aspect, in a sixth possible implementation manner, the adapter body includes at least one magnetic module, and the output interface module performs magnetic contact with the adapter body through the magnetic module to establish a physical connection. It can be understood that the adapter body can provide one or more magnetism module of inhaling externally, a magnetism module of inhaling can be used to connect an output interface module, if magnetism module supports a plurality of output interface modules to connect, a magnetism module of inhaling also can be used to connect a plurality of output interface modules, this moment, still is the control unit that an output interface module passes through a set of signal control contact connection adapter body, can guarantee that the control unit can accurately acquire the demand power of the load that each output interface module inserts, flexible operation, and the suitability is high.

In this application, but adapter body accessible includes but not limited to but the concatenation connected mode such as above-mentioned bayonet socket, grafting or magnetism inhale the contact and be connected with one or more output interface module, and connected mode is nimble, can improve the variety of the connected mode of output interface module and adapter body to can improve the selection variety of output interface module's structure, strengthen the suitability of adapter.

With reference to any one of the first possible implementation manner of the first aspect to the sixth possible implementation manner of the first aspect, in a seventh possible implementation manner, the first power conversion unit may be an alternating current/direct current/DC converter, the second power conversion unit may be a DC/DC converter, and the type of the output interface may include one or more of a universal serial bus usb type-A, USBType-C or a DC circular interface. It can be understood that, when there are a plurality of output interface modules of the adapter, the types of the output interfaces of different output interface modules may be the same or different, and may be determined according to the requirements of users in the actual application scenario. In other words, the output interface type of the output interface module of the adapter can be determined by the output interface of the output interface module which is freely selected by a user and connected with the adapter body in the using process of the adapter, and different types of output interfaces can be suitable for loads of different interface types under different application scenes, so that the adapter is flexible to operate and high in applicability.

In a second aspect, the present application provides an output control method for an adapter, the adapter including an adapter body and at least one output interface module, the output interface module being electrically connected to the adapter body. One end of the adapter body is connected with an alternating current power supply, the other end of the adapter body externally provides a direct current bus and at least one group of signal control contacts, the output interface module comprises at least one output interface used for connecting a load, and the method comprises the following steps: when the output interface module is detected to be connected through the at least one group of signal control contacts, the adapter body can convert alternating current input by the alternating current power supply into direct current and output the direct current to the output interface module through the direct current bus. The output interface module converts the bus voltage of the direct current bus into a target output voltage for the load connected with the output interface. In the application, the adapter body and the output interface module can cooperate to meet the use requirements of loads such as charging of the loads accessed through the output interface module, the operation is flexible, the scene applicability of the adapter can be improved, and the user stickiness of the adapter is enhanced.

With reference to the second aspect, in a first possible implementation manner, in the method, the adaptor body may obtain required power information of the load from the output interface module, obtain target power information based on the output power information and the required power information of the adaptor body, and feed back the target power information to the output interface module. The output interface module can be used for obtaining an output voltage corresponding to the required power information based on the target power information and the bus voltage of the direct current bus, so that the output voltage is used as the target output voltage for the load. The required power information may be the magnitude of the charging power of the load, the magnitude of the minimum charging power or the magnitude of the maximum charging power of the load, or the like. The target power information may be the size of power (for convenience of description, the target power may be illustrated as an example) allocated by the control unit to the load based on the size of the output power of the adapter body, where the target power indicated by the target power information may be greater than or equal to the required power indicated by the required power information, and may be specifically determined according to an actual application scenario.

With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner, the adaptor body may convert, based on the target power information, the ac power provided by the ac power supply into the dc power having the dc voltage corresponding to the target power information, so as to provide the dc power to the output interface module through the dc bus. The output interface module obtains an output voltage (e.g., a charging voltage) required by the required power information based on the dc voltage, so as to use the output voltage as a target output voltage for a load. In this application, through the acquisition and the communication of the demand power of output interface module realization load to and the conversion of the direct current voltage that the demand power of load corresponds, can satisfy the different demands of the different loads that insert through output interface, strengthen the suitability of adapter, simple structure, the suitability is high.

With reference to the first possible implementation manner of the second aspect or the second possible implementation manner of the second aspect, in a third possible implementation manner, the adapter includes at least two output interface modules, at this time, the adapter body may provide at least two sets of signal control contacts to the outside, and one output interface module of the at least two output interface modules may be connected to the adapter body through one set of signal control contacts. When the at least two groups of signal control contacts detect that the at least two output interface modules are connected, the adapter body can acquire the required power information of each load connected with each output interface module from each output interface module; the adapter body can obtain target power information of each output interface module based on the output power information of the adapter body and the required power information of each load, and feeds the target power information back to each output interface module. Each output interface module can convert the bus voltage into the output voltage corresponding to the required power information based on the target power information fed back by the adapter body. Here, the target power indicated by the target power information is equal to or greater than the sum of the required powers of the loads. In this application, the adapter body can realize the function interaction of adapter body and a plurality of output interface module to the realization is to the power supply of a plurality of output interface modules and the supply of demand power, can satisfy the user demand such as charging to a plurality of loads of a plurality of output interface module access, has strengthened the user viscidity of adapter, and the suitability is high.

With reference to any one of the second to third possible implementation manners of the second aspect, in a fourth possible implementation manner, the physical connection manner of the output interface module and the adapter body includes one or more of a bayonet, a plug-in connection, or a magnetic contact. In this application, adapter body accessible multiple concatenation connected mode is connected with one or more output interface module, and connected mode is nimble, can improve the variety of the connected mode of output interface module and adapter body to can improve the selection variety of the structure of output interface module, strengthen the suitability of adapter.

With reference to any one of the third possible implementation manners of the second aspect to the second aspect, in a fifth possible implementation manner, the type of the output interface module includes one or more of a universal serial bus usb type-A, USBType-C or a DC circular interface. In the application, the output interfaces of the same or different types specified by different output interface modules of the adapter can be suitable for loads of different interface types under different application scenes, and are flexible to operate and high in applicability.

Drawings

FIG. 1 is a schematic structural diagram of a multi-port adapter;

fig. 2 is a schematic application scenario diagram of an adapter provided in an embodiment of the present application;

FIG. 3 is a schematic structural view of an adapter provided herein;

FIG. 4 is another schematic structural view of an adapter provided herein;

FIG. 5 is another schematic structural view of an adapter provided herein;

fig. 6 is a flowchart illustrating an output control method of the adapter provided in the present application.

Detailed Description

The adapter provided by the application is suitable for power supply or battery charging and other application scenes of electronic equipment such as a notebook computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA) and wearable equipment, and can be specifically determined according to actual application scenes without limitation. In other words, the adapter provided by the present application includes, but is not limited to, a computer adapter, a mobile phone adapter, an adapter of an electronic device such as a wearable device, and the like, and may be determined according to an actual application scenario. The application provides an adapter can be power adapter, and different electronic equipment accessible the same type or the output interface of different grade type is connected with power adapter to get the electricity from power adapter, power adapter can be based on the required power of the electronic equipment of access and export corresponding supply voltage for electronic equipment.

Referring to fig. 2, fig. 2 is a schematic view of an application scenario of an adapter provided in an embodiment of the present application. As shown in fig. 2, the adaptor 1 provided by the present application may include an adaptor body 10 and an output interface module 20, which may be structurally separable, the output interface module 20 may be one or more, and the output interface module 20 may be electrically connected to the adaptor body 10 to implement power and signal connection between the output interface module 20 and the adaptor body 10. The output interface module 20 may provide one or more output interfaces 30 (illustrated by taking one as an example in fig. 2) to the outside, and the types of the one or more output interfaces 30 provided by the same output interface module to the outside may be the same or different, and may be determined specifically according to the actual product form. The output interface 30 is used for connecting the load 2, and the types of the output interfaces 30 externally provided by different output interface modules 20 may be the same or different. In other words, there may be one or more output interface modules with the same output interface type, and the selection of the output interface module 20 may be determined according to the charging interface type of the load 2 and the number of the loads 2 in the actual application scenario, which is not limited herein. The user can select different output interface modules 20 to establish physical connection and electrical connection with the adapter body 10 according to actual application scenarios so as to assemble the adapter for supplying power to the load 2 or charging the battery of the load 2, and the adapter is flexible to operate and high in applicability.

In some possible embodiments, in the application scenario shown in fig. 2, the adaptor body 10 may provide a power interface 40 to the outside, where the power interface 40 is used to connect an ac power source (e.g., commercial power). When one or more output interface modules 20 are physically and electrically connected to the adaptor body, if the output interface 30 of the output interface module 20 is connected to the load 2, the output interface module 20 can obtain the required power information (such as the required power) of the load 2 and provide the required power information to the adaptor body 10. The adaptor body 10 may convert ac power supplied from the ac power supply into dc power based on the required power information of the load 2 and supply the dc power to the output interface module 20, and at this time, the output power of the adaptor body 10 may be greater than or equal to the required power of the load 2. The output interface module 20 may obtain an output voltage corresponding to the required power information of the load based on the dc voltage conversion of the dc power provided by the adapter body 10, and supply power to the load 2 based on the output voltage, so as to be used by the load 2 or charge the battery. In the practical application scenario of the adapter shown in fig. 2, a user only needs to carry one adapter body and a plurality of output interface modules with different output interfaces, so that the power supply and battery charging requirements of different loads in different environments can be met. The function of the adapter is realized through the functional modules with two separated structures, the volume of the adapter body and the volume of the output interface module can be smaller through the division work cooperation of the functions, so that the carrying convenience of the adapter body and the output interface module can be improved, the scene applicability of the adapter is improved, and the user viscosity of the adapter is enhanced.

The adapter and the output control method thereof provided by the present application will be described below with reference to fig. 3 to 6.

Referring to fig. 3, fig. 3 is a schematic structural diagram of the adapter provided in the present application. As shown in fig. 3, the adapter provided by the present application includes a structurally separable adapter body 10 and one or more output interface modules 20, and the output interface modules 20 are used for connecting the adapter body 10. Here, one or more output interface modules 20 may be physically connected to the adaptor body through various connection methods, and one output interface module may provide one or more output interfaces to the outside, where the output interfaces are used for connecting loads. It can be understood that, when one output interface module provides a plurality of output interfaces to an external provider, the types of the plurality of output interfaces may be the same or different, and may be determined specifically according to an actual application scenario or a product form. When there are a plurality of output interface modules 20 of the adapter, the types of the output interfaces of different output interface modules 20 may be the same or different, and may be determined according to the requirements of the user in the actual application scenario. The selection and the number of the output interface modules 20 can be freely selected by a user, the output interface types of the output interface modules 20 of the adapter can be determined by the output interfaces of the output interface modules which are freely selected by the user and are used for being connected with the adapter body in the using process of the adapter, the output interfaces of different types can be suitable for the load use of different interface types under different application scenes, the operation is flexible, and the applicability is high. Here, the type of the output interface provided by the output interface module 20 may be any interface type, including but not limited to the usb type-A, USBType-C or the DC circular interface, and may be determined according to an actual application scenario, and is not limited herein.

In some possible embodiments, different physical connection modules may be arranged in the adaptor body 10 and the output interface module 20 according to requirements of an actual application scenario, so as to establish physical connection between the adaptor body 10 and the output interface module 20, and assembly and disassembly of the adaptor body 10 and the output interface module 20 may be satisfied through various structural designs. The user can select the output interface module with different output interface types according to the requirements of the actual application scene without using a physical connecting tool, and conveniently assemble or disassemble the adapter body 10 and the output interface module 20 to establish the physical connection between the adapter body 10 and the output interface module 20 or remove the physical connection between the adapter body 10 and the output interface module 20, so that the operation is simple and the applicability is strong. Fig. 4 is another schematic structural diagram of the adapter provided in the present application, as shown in fig. 4. A user can select a plurality of output interface modules (such as the output interface module 20a, the output interface module 20b, and the output interface module 20c shown in fig. 4) with different output interfaces to establish physical connection and electrical connection with the adapter body according to the requirements of an actual application scenario, so as to take electricity from the adapter body through the plurality of output interface modules, and the electricity is used for supplying power to loads accessed through the output interfaces of the different output interface modules or charging batteries, and can be specifically determined according to the actual application scenario.

In some possible embodiments, the adaptor body 10 is externally provided with one or more (i.e. at least one) bayonet (not shown in fig. 3 and 4) by which a physical connection is established with the adaptor body. It can be understood that the adaptor body 10 may provide one or more external bayonets, one bayonet may be used to connect to one output interface module, and the arrangement position of the bayonet may be determined according to the product form of the adaptor body 10 and the output interface module 20 in the actual application scenario, which is not limited herein. It can be understood that if one bayonet supports connection of a plurality of output interface modules, one bayonet may also be used to connect a plurality of output interface modules, and may be determined according to product forms of the adaptor body 10 and the output interface module 20 in an actual application scenario, which is not limited herein, and is flexible to operate and high in applicability. In addition, taking the adapter shown in fig. 3 as an example, a plane where the output interface 30 provided by the output interface module 20 to the outside is located and a plane establishing physical connection with the output interface module 20 and the adapter body 10 may be different planes, and the relative positions of the two different planes may be determined according to an actual application scenario, which is not limited herein. In other words, the plane of the output interface 30 provided by the output interface module 20 to the outside may be any plane other than the plane where the output interface module 20 contacts with the adapter body 10, and may be determined specifically according to the product form and the connection mode of the adapter body 10 and the output interface module 20, which is not limited herein and will not be described again. Optionally, the adapter body further comprises one or more plug-in modules (not shown in fig. 3 and 4) by which the output interface module establishes a physical connection with the adapter body. It is understood that the adaptor body may include one or more plug modules, where the plug modules may include devices such as plugs or jacks, one plug module may be used to connect to one output interface module, and the arrangement positions of the plug modules may be determined according to product forms of the adaptor body 10 and the output interface module 20 in practical application scenarios, which is not limited herein. It can be understood that, along with the different expression forms of the plug-in modules of the adapter body, if necessary, the output interface module may also be configured with a corresponding plug-in module for plugging in the adapter body, which may be determined specifically according to an actual application scenario, and is not limited herein. In addition, if the plug-in module supports the connection of a plurality of output interface modules, one plug-in module can also be used for connecting a plurality of output interface modules, so that the operation is flexible and the applicability is high. Optionally, the adapter body may also include one or more magnetic modules (not shown in fig. 3 and 4), and the output interface module is in magnetic contact with the adapter body through the magnetic modules to establish a physical connection. It can be understood that the adaptor body may provide one or more magnetic attraction modules externally, one magnetic attraction module may be used to connect to one output interface module, and the setting position of the magnetic attraction module may be determined according to product forms of the adaptor body 10 and the output interface module 20 in an actual application scenario, which is not limited herein. If the magnetic module supports the connection of a plurality of output interface modules, one magnetic module can also be used for connecting a plurality of output interface modules, and can be determined according to practical application scenes, so that the magnetic module is not limited, flexible to operate and high in applicability. In this application, but adapter body accessible includes but not limited to but the concatenation connected mode of above-mentioned bayonet socket, grafting or magnetism contact establishes physical connection with one or more output interface module, and connected mode is nimble, can improve the variety of the connected mode of output interface module and adapter body to can improve the selection variety of output interface module's structure, the suitability of reinforcing adapter.

In some possible embodiments, as shown in fig. 3 and 4, the adaptor body 10 may include therein a first power conversion unit 11, a control unit 12, and a dc bus bar 13. One end of the first power conversion unit 11 is connected to the power interface 40 to connect with an ac power source, and the other end of the first power conversion unit 11 is connected to the dc bus 13. The control unit 12 is connected to the first power conversion unit 11 and provides at least one set (i.e., one or more sets) of signal control contacts 14 to the outside. It is to be understood that a group of signal control contacts may be one signal control contact, or may be multiple signal control contacts for connecting to the same object, and multiple groups of signal control contacts may be used for connecting to multiple objects, which may be determined according to product forms of the adapter body and/or the signal control contacts, and is not limited herein. Here, the first power conversion unit 11 may be an AC/DC converter, or a power conversion unit including an AC/DC conversion circuit and other functional modules, and is used to implement conversion from AC power to DC power, and may be determined according to an actual application scenario, and is not limited herein. The control unit 12 may be a Micro Controller Unit (MCU), and one group of signal control contacts may correspond to one pin of the control unit 12, or multiple groups of signal control contacts may correspond to one pin of the control unit 12, which may be determined according to an actual application scenario, and is not limited herein. The output interface module 20 may be used to connect the dc bus 13 and the signal control contacts 14 of the adapter body to establish an electrical connection of the output interface module with the adapter body. The control unit 12 can detect whether there is an output interface module physically connected to the adaptor body through the signal control contact 14, and can also control the first power conversion unit 11 to convert ac power input by the ac power source into dc power and output the dc power to the output interface module 20 through the dc bus 1 when detecting that the output interface module 20 is connected to the adaptor body through the signal control contact. When the output interface module 20 is physically connected to the adaptor body 10, the output interface module 20 may be connected to the dc bus 13, take power from the dc bus 13, and convert a bus voltage of the dc bus 13 into a target output voltage for a load connected to the output interface 30 of the output interface module 20. Here, the target output voltage may be a supply voltage or a charging voltage required by a load connected to the output interface 30, or may also be an output voltage agreed by an interface type of the output interface 30, and the target output voltage may be determined according to an actual application scenario, and is not limited herein.

In this application, adapter body and output interface module can be two independent products that exist to can splice the connection according to practical application scene demand, easy operation, adapter body and output interface module's physical connection mode is nimble, and the suitability is high. Here, the adaptor body and the output interface module can be connected with each other through the direct current bus and the signal control contact, no matter what interface type the output interface module externally provides, the adaptor body and the output interface module can cooperate to meet the load use requirements such as charging of a load accessed by the output interface module externally provided through the output interface module, the adaptor body can be used for realizing the control of power supply and power supply voltage of the output interface module at the rear stage, the output interface module can realize the conversion of the output voltage based on the requirements of the accessed load, and the combination flexibility of the output interface of the adaptor can be improved. In addition, the function of the adapter is realized through the functional modules with two separated structures, and the volume of the adapter body and the volume of the output interface module can be smaller through the division work cooperation of the functions, so that the carrying convenience of the adapter body and the output interface module can be improved, the scene applicability of the adapter is improved, and the user viscosity of the adapter is enhanced.

In some possible embodiments, please refer to fig. 5, and fig. 5 is another structural diagram of the adapter provided in the present application. In the adaptor shown in fig. 5, the output interface module (including the output interface module 20b and the output interface module 20c, etc., for convenience of description, the output interface module 20c is taken as an example to be described below) may include a second power conversion unit 21, a protocol chip 22 and an output interface 30, wherein an input end of the second power conversion unit 21 is used for connecting the dc bus 13 when the output interface module 20c establishes physical connection with the adaptor body 10. In other words, when the output interface module 20c and the adaptor body 10 establish physical connection, the input end of the second power conversion unit 21 may be used to connect the dc bus bar 13 to establish electrical connection of the output interface module 20 and the adaptor body 10. The output of the second power conversion unit 21 may be connected to the output interface 30. The first connection end of the protocol chip 22 may be connected to the second power conversion unit 21, the second connection end of the protocol chip 22 is connected to the output interface 30, and the protocol chip 22 may be configured to obtain the required power information of the load when the output interface 30 accesses the load. Furthermore, the third connection terminal of the protocol chip 22 can be used to connect the signal control contact 14 described above when the output interface module 20c establishes a physical connection with the adapter body 10. In other words, when the output interface module 20c and the adaptor body 10 are physically connected, the third connection end of the protocol chip 22 may be connected to the signal control contact 14 provided by the control unit 12 to implement the signal connection between the output interface module 20c and the adaptor body 10, and the protocol chip 22 may provide the required power information of the load to the control unit 12 when the third connection end is connected to the signal control contact 14. Here, the required power information may be a magnitude of the required power, a magnitude of the maximum power or a magnitude of the minimum power, and the like, and may be specifically determined according to an actual application scenario, which is not limited herein. The control unit 12 is operable to obtain target power information based on the output power information of the first power conversion unit 11 (i.e., the output power information of the adaptor body 10) and the above-described required power information, and feed back the target power information to the protocol chip 22. The protocol chip 22 is further configured to control, based on the target power information, the second power conversion unit 21 in the output interface module 20c to obtain an output voltage (e.g., a charging voltage) corresponding to the required power information based on the bus voltage of the dc bus, so as to use the output voltage as the target output voltage for the load. The required power information may be the magnitude of the charging power of the load, the magnitude of the minimum charging power or the magnitude of the maximum charging power of the load, or the like. The target power information may be the magnitude of power (for convenience of description, the target power may be described as an example) allocated by the control unit 12 to the load based on the magnitude of the output power of the adaptor body 10, and here, the magnitude of power (or simply, the target power magnitude) included in the target power information may be greater than or equal to the magnitude of the required power included in the required power information. In other words, the power allocated by the adaptor body to the output interface module may be greater than or equal to the required power of the output interface module, and may be determined according to the actual application scenario.

In some possible embodiments, the second power conversion unit 21 may be a DC module such as a DC/DC converter, and may be determined according to an actual application scenario, which is not limited herein. Optionally, in the output interface module (including the output interface module 20b and the output interface module 20c, etc.) shown in fig. 5, the second power conversion unit 21 and the protocol chip 22 may also be integrally integrated in the same functional module, in other words, the second power conversion unit 21 and the protocol chip 22 may be two-part circuits of the same functional module, which may be determined specifically according to an actual application scenario, and is not limited herein. The protocol chip may be a charging protocol chip, for example, a charging protocol chip supporting a high-pass QC protocol, a PD protocol, or an hua shi SCP protocol, and may be determined according to an actual application scenario, which is not limited herein. In this application, through the acquisition and the communication of the demand power information of output interface module realization load to and the conversion of the direct current voltage that the demand power information of load corresponds, can satisfy the different demands of the different loads that insert through output interface, strengthen the suitability of adapter, can separate out the partial function of traditional adapter from the adapter body simultaneously, can simplify the function of adapter body, simple structure, the suitability is high.

In some possible embodiments, the control unit 12 may control the first power conversion unit 11 to convert the ac power provided by the ac power source into the dc power corresponding to the target power information, and provide the dc power to the output interface module (including the output interface module 20b and the output interface module 20c) through the dc bus 13 based on the target power information. In this application, the control unit 12 may allocate power to the output interface module based on the required power information of the load and the output power information of the adaptor body, at this time, the bus voltage of the dc bus may be kept unchanged, that is, when different output interface modules are connected, the bus voltage of the adaptor body may be kept unchanged, and the adaptor body does not need to perform different output voltage conversions along with the connection of different output interface modules, so that the circuit of the adaptor body may be simplified, and the loss of the device may be reduced. Meanwhile, the control unit 12 may further control the first power conversion unit to perform voltage conversion and output the voltage converted to the dc bus based on target power information (e.g., the size of the target power) allocated to the load by the required power information (e.g., the size of the required power) of the load, so as to reduce a voltage difference between a bus voltage of the dc bus and an output voltage (e.g., a charging voltage) included in the required power information of the load, thereby reducing a device loss caused by an output voltage indicated in the required power information of the load converted by the second power conversion unit of the output interface module based on the bus voltage, enhancing the design flexibility of the adapter while enhancing the life of the output interface module, and having higher applicability.

In some possible embodiments, the adapter may include at least two output interface modules (i.e., a plurality of output interface modules, such as the output interface module 20a, the output interface module 20b, and the output interface module 20c shown in fig. 4, or the output interface module 20b and the output interface module 30c shown in fig. 5, etc.), and each of the plurality of output interface modules may be electrically connected to the adapter body to be connected to the dc bus of the adapter body in parallel, so as to implement power connection between the plurality of output interface modules and the adapter body. In addition, the control unit 12 in the adaptor body 10 can provide at least two sets of signal control contacts to the outside, and one output interface module in the plurality of output interface modules is connected with the control unit through one set of signal control contacts, so that the signal connection between the plurality of output interface modules and the adaptor body can be realized, and the operation is simple. In this application, the control unit 12 in the adaptor body 10 may be further configured to obtain target power information of each output interface module and feed back the target power information to each output interface module based on the output power information of the first power conversion unit (i.e., the output power information of the adaptor body) and the required power information of each load provided by each output interface module (i.e., each load connected to the output interface provided by each output interface module, where the target power information of each output interface module may include a size of the target power allocated to each load by the control unit, and the output power of the adaptor body indicated by the output power information of the adaptor body is greater than or equal to a sum of the target powers allocated to each load. In other words, in this application, adapter body accessible concatenation connection's mode realization and a plurality of output interface module's structural connection, simultaneously accessible direct current bus and signal control contact realize with a plurality of output interface module's power and signal connection, the control unit in the adapter body can realize the power distribution and the control of a plurality of output interface module, thereby can realize adapter body and a plurality of output interface module's function interaction, with the supply of realization to a plurality of output interface module's power supply and demand power, can satisfy the user demand such as charging to a plurality of loads that insert through a plurality of output interface module, the user viscidity of adapter has been strengthened, high applicability. It can be understood that if a bayonet provided by the adapter body supports connection of a plurality of output interface modules, a bayonet is connected with a plurality of output interface modules, at this moment, an output interface module is still connected with the control unit of the adapter body through a group of signal control contacts, so that the control unit can be ensured to accurately acquire required power information of loads accessed by the output interface modules, and the adapter is flexible to operate and high in applicability. Similarly, if the plug-in module included in the adapter body supports connection of a plurality of output interface modules, one plug-in module can also be used for connecting a plurality of output interface modules, at this moment, one output interface module still is the control unit that is connected with the adapter body through a group of signal control contacts, and the control unit can be ensured to accurately acquire the required power information of the load connected with each output interface module. If the magnetic module that the adapter body includes supports a plurality of output interface modules to connect, a magnetic module also can be used to connect a plurality of output interface modules, and at this moment, still is an output interface module and connects the control unit of adapter body through a set of signal control contact, can guarantee that the control unit can accurately acquire the demand power information of the load that each output interface module inserts, flexible operation, the suitability is high.

Referring to fig. 6, fig. 6 is a schematic flowchart of an output control method of an adapter provided in the present application. The output control method of the adapter provided by the application is suitable for the adapter provided by any drawing in the above-mentioned fig. 2 to 5, and the method can comprise the following steps:

s601, the adapter body detects whether an output interface module is connected or not through the signal control contact.

In some possible embodiments, the adapter body may detect whether an output interface module is connected or not by detecting a signal of the signal control contact based on the detection of the signal control contact, so as to detect whether the output interface module is connected or not by the signal control contact. It can be understood that, when the adapter body and the output interface module are physically connected, the physical contact between the adapter body and the output interface module can trigger the signal (or voltage) change of the signal control contact, and the adapter body can judge whether the output interface module is originally connected with the adapter by detecting the signal change of the signal control contact. In addition, as shown in fig. 5, when the output interface module is connected to the adapter body, the third connection end of the protocol chip in the output interface module may be connected to a signal control contact externally provided by the adapter body, and at this time, a signal of the signal control contact may also be changed, and the adapter body may determine whether there is an output interface module originally connected to the adapter by detecting a signal change of the signal control contact.

S602, when the signal control contact detects that the output interface module is accessed, the adapter body acquires the required power information of the load from the output interface module.

And S603, the adapter body converts alternating current input by the alternating current power supply into direct current and supplies power to the output interface module through the direct current bus.

And S604, the adapter body obtains target power information of each output interface module based on the output power information of the adapter body and the required power information of each load, and feeds the target power information back to each output interface module.

And S605, the output interface module converts the target power information fed back by the adapter body and the bus voltage of the direct current bus to obtain a target output voltage corresponding to the required power information, and outputs the target output voltage to the load through the output interface.

In some possible embodiments, when the adapter body detects that the output interface module is connected through the signal control contact, the adapter body can convert alternating current input by the alternating current power supply into direct current, and supply power to the output interface module through the direct current bus. The output interface module can convert the bus voltage of the direct current bus into a target output voltage for the load connected with the output interface. In the application, the adapter body and the output interface module can cooperate to meet the use requirements of loads such as charging of the loads accessed through the output interface module, the operation is flexible, the scene applicability of the adapter can be improved, and the user stickiness of the adapter is enhanced.

In some possible embodiments, the adaptor body may obtain required power information of the load from the output interface module, obtain target power information based on the output power information and the required power information of the adaptor body, and feed back the target power information to the output interface module. The output interface module can be used for obtaining an output voltage corresponding to the required power information based on the target power information and the bus voltage of the direct current bus, so that the output voltage is used as the target output voltage for the load. The required power information may be the magnitude of the charging power of the load, the magnitude of the minimum charging power or the magnitude of the maximum charging power of the load, or the like. The target power information may be the size of power (for convenience of description, the target power may be illustrated as an example) allocated by the control unit to the load based on the size of the output power of the adapter body, where the target power indicated by the target power information may be greater than or equal to the required power indicated by the required power information, and may be specifically determined according to an actual application scenario. Here, the adaptor body distributes power to the output interface modules based on the required power information of the load and the output power information of the adaptor body, and at this time, the bus voltage of the dc bus may be kept unchanged, that is, when different output interface modules are connected, the bus voltage of the adaptor body may be kept unchanged, and the adaptor body does not need to perform different output voltage conversion along with the connection of different output interface modules, so that the circuit of the adaptor body may be simplified, and the loss of the device may be reduced.

In some possible embodiments, the adaptor body may also convert ac power provided by the ac power supply into dc power corresponding to the target power information based on the target power information, and provide the dc power to the output interface module through the dc bus, so as to reduce a voltage difference between a bus voltage of the dc bus and an output voltage (for example, a charging voltage) included in the required power information of the load, thereby reducing device loss caused by the output interface module in a voltage change process of the output voltage indicated in the required power information of the load converted based on the bus voltage, enhancing a lifetime of the output interface module, and simultaneously enhancing design flexibility of the adaptor, which is higher in applicability. In the application, the acquisition and the communication of the required power information of the load are realized through the output interface module, and the conversion of the direct current voltage corresponding to the required power of the load can meet different requirements of different loads accessed through the output interface, so that the applicability of the adapter is enhanced, the structure is simple, and the applicability is high.

In some possible embodiments, when the adapter includes a plurality of output interface modules, the adapter body may provide a plurality of sets of signal control contacts, and each of the plurality of output interface modules may be electrically connected to the adapter body to be connected to the adapter body in parallel, so as to implement power connection between the plurality of output interface modules and the adapter body. The adapter body externally provides a plurality of groups of signal control contacts, one output interface module in the plurality of output interface modules is connected with the adapter body through the group of signal control contacts, the signal connection of the plurality of output interface modules and the adapter body can be realized, and the operation is simple. The adapter body can detect whether a plurality of output interface modules are connected or not through the plurality of groups of signal control contacts, and if the adapter body detects that a plurality of output interface modules are connected through the plurality of groups of signal control contacts, the adapter body can acquire the required power information of each load connected with each output interface module from each output interface module. The adaptor body may obtain target power information of each output interface module and feed back the target power information to each output interface module based on output power information of the adaptor body (i.e., output power information of the adaptor body) and required power information of each load provided by (i.e., fed back by) each output interface module (i.e., each load to which an output interface provided outside by each output interface module is connected). In this application, can realize the function interaction of adapter body and a plurality of output interface module to the realization can satisfy the user demand such as charging to a plurality of loads of a plurality of output interface module access through the supply of power and demand power of a plurality of output interface module, has strengthened the user viscidity of adapter, and the suitability is high.

In some possible embodiments, the physical connection manner of the output interface module and the adapter body includes one or more of bayonet, plug-in, or magnetic attraction contact, and the type of the output interface module includes one or more of the USBType-A, USBType-C or the DC circular interface, which may be determined according to an actual application scenario and is not limited herein. In this application, adapter body accessible multiple concatenation connected mode is connected with one or more output interface module, and connected mode is nimble, can improve the variety of the connected mode of output interface module and adapter body to can improve the selection variety of the structure of output interface module, strengthen the suitability of adapter. The output interfaces of different output interface modules of the adapter, which are the same or different in type, can be suitable for loads of different interface types under different application scenes, and are flexible to operate and high in applicability.

In this application, adapter body and output interface module can be two independent products that exist to can splice the connection according to practical application scene demand, easy operation, adapter body and output interface module's physical connection mode is nimble, and the suitability is high. Through the function interaction of adapter body and a plurality of output interface module, can realize the power supply and the supply of demand power to a plurality of output interface module, can satisfy the user demand such as charging to a plurality of loads of a plurality of output interface module access, strengthened the user viscidity of adapter, the suitability is high. Here, the adaptor body and the output interface module can perform power supply and signal connection through the direct current bus and the signal control contact, and the adaptor body and the output interface module can cooperate to meet load use requirements such as charging of a load accessed through the output interface provided by the output interface module to the outside no matter what interface type the output interface provided by the output interface module to the outside is. The adapter body can realize the control of power supply and power supply voltage of the output interface module at the rear stage, the output interface module can realize the conversion of the output voltage based on the requirement of the accessed load, and the combination flexibility of the output interface of the adapter can be improved. In addition, the function of the adapter is realized through the functional modules with two separated structures, and the volume of the adapter body and the volume of the output interface module can be smaller through the division work cooperation of the functions, so that the carrying convenience of the adapter body and the output interface module can be improved, the scene applicability of the adapter is improved, and the user viscosity of the adapter is enhanced.

Claims

1. An adapter, characterized in that, the adapter includes an adapter body and at least one output interface module, the output interface module is used for connecting the adapter body, each output interface module provides at least one output interface to the outside, the output interface is used for connecting a load; the adapter body comprises a first power conversion unit, a control unit and a direct current bus, wherein one end of the first power conversion unit is connected with an alternating current power supply, and the other end of the first power conversion unit is connected with the direct current bus; the control unit is connected with the first power conversion unit and provides at least one group of signal control contacts to the outside;

the control unit is used for controlling the first power conversion unit to convert alternating current input by the alternating current power supply into direct current and output the direct current to the output interface module through the direct current bus when the output interface module is detected to be connected with the adapter body through the at least one group of signal control contacts;

the output interface module is used for converting the bus voltage of the direct current bus into a target output voltage.

2. The adapter according to claim 1, wherein the output interface module includes a second power conversion unit, a protocol chip and an output interface, an input end of the second power conversion unit is used for connecting the dc bus, an output end of the second power conversion unit is connected to the output interface, a first connection end of the protocol chip is connected to the second power conversion unit, a second connection end of the protocol chip is connected to the output interface, and a third connection end of the protocol chip is used for connecting the signal control contact;

the protocol chip is used for acquiring the required power information of the load and feeding back the required power information to the control unit;

the control unit is used for obtaining target power information based on the output power information of the first power conversion unit and the required power information and feeding the target power information back to the protocol chip;

the protocol chip is further configured to control the second power conversion unit to convert the bus voltage of the dc bus into an output voltage corresponding to the required power information based on the target power information, so as to serve as the target output voltage.

3. The adapter according to claim 2, wherein the control unit is further configured to control the first power conversion unit to convert the ac power into dc power corresponding to the target power information and output the dc power to the second power conversion unit through the dc bus based on the target power information.

4. An adapter as claimed in claim 2 or 3, wherein the adapter includes at least two said output interface modules, each said output interface module being electrically connected to the adapter body for parallel connection to the dc bus, one said output interface module being connected to the control unit by a set of signal control contacts;

the control unit is further configured to obtain target power information of each output interface module and feed back the target power information to each output interface module based on the output power information of the first power conversion unit and the required power information of each load fed back by each output interface module.

5. The adapter as claimed in claim 4 wherein the adapter body provides at least one bayonet to the outside through which the output interface module establishes a physical connection with the adapter body.

6. The adapter as claimed in claim 4 wherein the adapter body includes at least one plug-in module, the output interface module establishing a physical connection with the adapter body through the plug-in module.

7. The adapter as claimed in claim 4 wherein the adapter body includes at least one magnetically attractive module, the output interface module establishing a physical connection with the adapter body through the magnetically attractive module.

8. An adapter according to any of claims 2-7 wherein the first power conversion unit is an alternating current AC/direct current DC converter and the second power conversion unit is a DC/DC converter and the type of output interface comprises one or more of a universal serial bus usb type-A, USBType-C or a DC round interface.

9. An output control method of an adapter, wherein the adapter comprises an adapter body and at least one output interface module, the output interface module is electrically connected with the adapter body, one end of the adapter body is connected with an alternating current power supply, the other end of the adapter body externally provides at least one group of signal control contacts, the output interface module comprises at least one output interface for connecting a load, and the method comprises the following steps:

when the output interface module is detected to be connected through the at least one group of signal control contacts, the adapter body converts alternating current input by the alternating current power supply into direct current and outputs the direct current to the output interface module through the direct current bus;

and the output interface module converts the bus voltage of the direct current bus into a target output voltage.

10. The method of claim 9, further comprising:

the adapter body acquires the required power information of the load from the output interface module, acquires target power information based on the output power information of the adapter body and the required power information, and feeds the target power information back to the output interface module;

the converting, by the output interface module, the bus voltage of the dc bus to the target output voltage includes:

and the output interface module is used for converting the target power information and the bus voltage of the direct current bus to obtain a target output voltage corresponding to the required power information.

11. The method of claim 10, wherein the adapter body converting the alternating current of the alternating current power input to direct current comprises:

the adapter body transforms the alternating current into direct current corresponding to the target power information based on the target power information, and outputs the direct current to the output interface module through the direct current bus.

12. The method of claim 10 or 11, wherein the adapter comprises at least two output interface modules, one of which is connected to the adapter body by a set of signal control contacts; the method further comprises the following steps:

when the at least two output interface modules are detected to be accessed through the at least two groups of signal control contacts, the adapter body acquires the required power information of each load connected with each output interface module from each output interface module;

the adapter body obtains target power information of each output interface module based on the output power information of the adapter body and the required power information of each load, and feeds the target power information back to each output interface module.

13. The method of any one of claims 9-12, wherein the physical connection of the output interface module to the adapter body comprises one or more of a bayonet, or a magnetic attraction contact.

14. The method according to any one of claims 9-12, wherein the type of output interface of the output interface module comprises one or more of universal serial bus usb type-A, USBType-C or DC circular interface.