WO2022253207A1 - 连接器及应用于连接器的供电控制方法 - Google Patents
连接器及应用于连接器的供电控制方法 Download PDFInfo
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- WO2022253207A1 WO2022253207A1 PCT/CN2022/096136 CN2022096136W WO2022253207A1 WO 2022253207 A1 WO2022253207 A1 WO 2022253207A1 CN 2022096136 W CN2022096136 W CN 2022096136W WO 2022253207 A1 WO2022253207 A1 WO 2022253207A1
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- power supply
- power
- interface
- master device
- control command
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
- G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/66—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads one of the loads acting as master and the other or others acting as slaves
Definitions
- Embodiments of the present disclosure relate to the field of connectors, and in particular, to a connector and a power supply control method applied to the connector.
- the master device needs to cooperate with one or more slave devices to complete desired tasks.
- the master device acts as a source (Downstream Facing Port, DFP) device
- the slave device acts as a slave (Upstream Facing Port, UFP) device.
- the DFP device has data processing capabilities, and can provide content output for the UFP device, for example, data processing results, content to be presented, and the like.
- the DFP device also has a power supply capability and can supply power to other devices such as the UFP device.
- the main device can also act as a UFP device, which is powered or charged by other power supply devices. Examples of master devices may include mobile phones, computers, smart terminal devices, and the like.
- the UFP device itself does not have the power supply capability, and it needs to obtain power from, for example, the DFP device or other power supply devices before it can start working.
- Examples of UFP devices may include virtual reality devices, augmented reality devices, and the like, such as AR glasses.
- the master device When the master device cooperates with multiple slave devices, the master device needs to use its own power supply capacity to maintain its own operation to provide content output for the slave devices, and at the same time supply power to the slave devices to maintain the operation of the slave devices, so that the master device has relatively little
- the large power consumption greatly limits the battery life of the main device.
- embodiments of the present disclosure provide a connector and a power supply control method applied to the connector.
- the external power supply device can efficiently supply power to the master device and the slave device.
- a connector including: a first interface for connecting a master device; a second interface for connecting a slave device; a third interface for connecting a power supply device; A switch circuit connected to the first interface, the second interface, and the third interface; the power supply device control circuit connected to the third interface is configured to, in response to detecting that the power supply device is inserted into the third interface, detect the The power supply output power of the power supply device, and according to the power supply output power, the charging power of the master device and the working power of the slave device, determine the power supply device for the master device and the slave device a power supply control command; and an interface control circuit connected to the switch circuit and the power supply device control circuit, configured to respond to receiving the power supply control command from the power supply device control circuit, according to the power supply control command Switching control is performed on the switch circuit to control the power supply of the power supply device to the master device and the slave device.
- a power supply control method applied to a connector includes a first interface, a second interface and a The third interface, the switch circuit connected to the first interface, the second interface and the third interface, the power supply equipment control circuit connected to the third interface, the switch circuit and the power supply equipment
- the interface control circuit connected with the control circuit includes: at the power supply equipment control circuit, in response to detecting that the power supply equipment is inserted into the third interface, detecting the power supply output power of the power supply equipment; according to the power supply output power, The charging required power of the master device and the working power of the slave device determine the power supply control command of the power supply device for the master device and the slave device; and send the power supply control command to the The interface control circuit, at the interface control circuit, in response to receiving the power supply control command, performs switching control on the switch circuit according to the power supply control command so that the power supply device can provide power to the main device and the Control the power supply of the slave device.
- an electronic device including: at least one processor; a memory; and a computer program stored on the memory, the at least one processor executes the computer program to realize The power supply control method applied to the connector as described above.
- a computer-readable storage medium which stores a computer program, and when the computer program is executed by a processor, implements the power supply control method applied to a connector as described above.
- a computer program product including a computer program, and when the computer program is executed by a processor, the above power supply control method applied to a connector is implemented.
- Fig. 1 shows a schematic structural diagram of an example of a connector according to a first embodiment of the present disclosure.
- FIG. 2 shows a flowchart of an example of a power supply control command determination process according to the first embodiment of the present disclosure.
- FIG. 3 shows a flowchart of another example of the power supply control command determination process according to the first embodiment of the present disclosure.
- Fig. 4 shows a schematic diagram of an implementation example of a switch circuit according to the first embodiment of the present disclosure.
- FIG. 5 shows a flow chart of the control process of the switching circuit according to the first embodiment of the present disclosure.
- Fig. 6 shows a schematic structural diagram of an example of a connector according to the second embodiment of the present disclosure.
- Fig. 7 shows a schematic structural diagram of an example of a clock data reconstruction circuit between the first interface and the second interface according to the second embodiment of the present disclosure.
- Fig. 8 shows a schematic structural diagram of an example of a connector according to a third embodiment of the present disclosure.
- Fig. 9 shows a schematic structural diagram of an example of a clock data reconstruction switch circuit between the first interface and the second interface according to the third embodiment of the present disclosure.
- FIG. 10 shows a schematic structural diagram of a connector implemented based on a type C interface according to a fourth embodiment of the present disclosure.
- Fig. 11 shows a flowchart of a power supply control method applied to a connector according to a fifth embodiment of the present disclosure.
- Fig. 12 shows a schematic block diagram of a power supply control device applied to a connector according to a sixth embodiment of the present disclosure.
- Fig. 13 shows an exemplary hardware structure diagram of a power supply control device implemented based on a computer system according to a seventh embodiment of the present disclosure.
- the term “comprising” and its variants represent open terms meaning “including but not limited to”.
- the term “based on” means “based at least in part on”.
- the terms “one embodiment” and “an embodiment” mean “at least one embodiment.”
- the term “another embodiment” means “at least one other embodiment.”
- the terms “first”, “second”, etc. may refer to different or the same object. The following may include other definitions, either express or implied. Unless the context clearly indicates otherwise, the definition of a term is consistent throughout the specification.
- connection may also be referred to as “coupling”, and refers to a direct electrical connection between two components, or an electrical connection via an intermediate component. In some cases, the term “connection” can also be understood as accommodating or similar expressions.
- the master device receives and processes the data provided by the slave device, and then provides the data processing result to the slave device for subsequent processing.
- the virtual reality device or the augmented reality device can collect data through sensors, such as collecting image data and IMU data, and send the collected data to a computer with computing power or processing capable master devices (for example, mobile phones or other smart terminal devices) for data processing.
- the master device uses the data collected by the slave device to perform SLAM (Simultaneous Localization and Mapping) operations.
- SLAM Simultaneous Localization and Mapping
- the master device provides the data processing result, which may be an image processing result (for example, a SLAM result) to the virtual reality device or the augmented display device for virtual reality display or augmented reality display.
- the master device When the master device and the slave device work together, the master device needs to use its own power module (for example, a lithium battery, etc.) to provide power to maintain its own operation, so as to perform corresponding data processing to provide content output for the slave device.
- the master device also needs to supply power to the slave device to maintain the device operation of the slave device, which causes a large power consumption of the master device, thereby greatly limiting the battery life of the master device.
- inventions of the present disclosure provide a connector for supplying power to a master device and a slave device.
- the connector includes first to third interfaces, a switch circuit, a power supply device control circuit and an interface control circuit.
- the first to third interfaces are respectively used to connect the master device, the slave device and the power supply device.
- the switch circuit is connected with the first interface, the second interface, the third interface and the interface control circuit.
- the power supply equipment control circuit is connected with the third interface and the interface control circuit.
- the power supply device control circuit detects the power supply output power of the power supply device.
- the power supply device control circuit determines the power supply control command according to the power supply output power, the charging power of the master device and the working power of the slave device.
- the interface control circuit performs switch control on the switch circuit according to the power supply control command to control the power supply of the power supply device to the master device and the slave device.
- the power supply strategy for the master device and the slave device can be determined according to the actual power supply output power of the external power supply device, and according to the power supply strategy, the external power supply device can efficiently supply power to the master device and the slave device, and improve The battery life of the main device.
- Fig. 1 shows a schematic structural diagram of an example of a connector 100 according to a first embodiment of the present disclosure.
- the connector 100 includes a first interface 110 , a second interface 120 , a third interface 130 , a switch circuit 140 , a power supply device control circuit 150 and an interface control circuit 160 .
- the first interface 110 is used to connect to the main device.
- the second interface 120 is used for connecting a slave device (UFP device).
- the third interface 130 is used for connecting power supply equipment.
- any one of the first interface 110, the second interface 120 and the third interface 130 can adopt one of the following interfaces: Type A interface, Type B interface, Type C interface, Micro USB interface, Mini USB interface and Lightning interface.
- the device connected to the interface may, for example, have an interface component that matches the interface, so that the device can be coupled with the interface.
- the first interface is a Type C plug
- the main device has a Type C socket (Type C slot), so that the first interface can be inserted into the Type C socket of the main device.
- examples of the master device may include, but not limited to, mobile phones, computers, smart terminal devices, and the like.
- slave devices include, but are not limited to, virtual reality devices, augmented reality devices, and the like, such as AR glasses.
- a power supply device is a device or device capable of supplying power, for example, a charging device (also called a power bank), a power supply device, a power adapter device, and the like.
- Examples of the charging device may include a PD-type charging device, a QC-type charging device, and the like.
- the power supply device control circuit 150 is electrically connected to the signal terminal of the third interface.
- the power supply device control circuit 150 may have a power supply output power detection capability for the power supply device.
- the power supply device control circuit 150 can detect the power supply output power of the power supply device at this time.
- the third interface 130 is a Type C interface
- the power supply device needs to support the PD protocol, so when the power supply device is inserted into the third interface 130, the power supply device control circuit 150 can use the PD protocol to detect The output power signal of the power supply output power of the device.
- the power supply device control circuit 150 may be connected to the CC terminal of the third interface 130 .
- the power supply device control circuit 150 can receive the CC signal from the CC terminal of the third interface 130, and obtain the power supply output power, power supply output voltage and power supply output current of the power supply device according to the CC signal.
- the power supply device control circuit 150 may be connected to the D+ terminal and the D ⁇ terminal of the third interface 130 .
- the power supply device control circuit 150 can receive the D+ signal and the D- signal from the D+ terminal and the D- terminal of the third interface 130, and obtain power from the power supply device according to the D+ signal and the D- signal Output Power.
- the detected power supply output power is the real-time power supply output power of the power supply equipment, which reflects the real-time power supply capability of the power supply equipment.
- the power supply device control circuit 150 determines the power supply control command according to the power supply output power of the power supply device, the charging power of the master device, and the working power of the slave device.
- the required charging power of the master device is used to indicate the required power supply power that can trigger the charging operation for the master device.
- the charging power of the main device may be a factory configuration parameter of the main device, for example, it may be characterized by a current value under a specified output voltage, and it may vary with different device types, device models or device manufacturers.
- the available charging power of the master device may also include charging power required in a normal charging state, charging required power in a fast charging state, and the like.
- the power required for charging in the fast charging state is greater than the power required for charging in the normal charging state.
- the working power of the slave device is used to indicate the working power required by the slave device to work normally.
- the working power of the slave device may be, for example, the nominal working power or the rated working power of the slave device.
- the charging power of the master device and the operating power of the slave device may be notified to the power supply device control circuit in advance, or when the master device is connected to the first interface and the slave device is connected to the second interface, the master The device or the slave device notifies the control circuit of the power supply device.
- the power required for charging the master device may also be determined through negotiation between the master device and the control circuit of the power supply device. For example, in the case that the master device has multiple available charging powers, the control circuit of the power supply device can provide the power difference between the output power of the power supply and the working power of the slave device to the master device. An appropriate available charging required power is selected from the plurality of available charging required powers as the final charging required power and provided to the control circuit of the power supply device.
- FIG. 2 shows a flowchart of an example of a power supply control command determination process 200 according to the first embodiment of the present disclosure.
- the power supply device control circuit 150 detects the power supply output power P power supply device of the power supply device .
- the P master device can be the minimum available charging required power, or the available charging required power specified (by the master device or the user), for example, through the control circuit of the power supply device and the main Devices negotiate to specify available charging power.
- the power supply control command is the first power supply control command.
- the first power supply control command is used to instruct to supply power to the master device and the slave device at the same time.
- the first power supply control command is used to instruct to supply power to the slave device with the working power of the slave device, and to supply power to the master with the remaining power (that is, the difference power between the output power of the power supply and the working power of the slave device).
- the device is charging.
- the first power supply control command is used to instruct to supply power to the slave device with the working power of the slave device, and to charge the master device with the required charging power of the master device.
- the control circuit of the power supply device can notify the master device of the power difference between the output power of the power supply and the working power of the slave device, and the master device will use the power difference according to the power difference. Select the appropriate charging required power from the available charging required power, and then notify the selected charging required power or its equivalent message (for example, the number, code, unique identification information, etc.) of the charging required power Power supply equipment control circuit.
- the power supply device control circuit then charges the main device according to the power required for charging.
- P power supply device ⁇ P master device +P slave device determines whether the power supply output power of the power supply device P power supply device is not lower than the working power of the slave device Pslave device . If it is determined that P power supply device ⁇ P slave device , then at 250, determine that the power supply control command is the second power supply control command, and the second power supply control command is used to instruct to supply power to the slave device and not to supply power to the master device. In an example, the second power supply control command is used to instruct the slave device to supply power to the slave device at the working power P of the slave device .
- the power supply control command is used to instruct to supply power to the master device and not to supply power to the slave device.
- the charging for the master device may be performed according to the power supply output power of the power supply device. In another example, the charging for the master device may be performed according to the charging power of the master device.
- the control circuit of the power supply device can notify the master device of the power difference between the output power of the power supply and the working power of the slave device, and the master device will use the power difference according to the power difference. Select the appropriate charging required power from the available charging required power, and then notify the selected charging required power or its equivalent message (for example, the number, code, unique identification information, etc.) of the charging required power Power supply equipment control circuit. The power supply device control circuit then charges the main device according to the power required for charging.
- the power supply control command is the fourth power supply control command.
- the fourth power supply control command is used to instruct not to supply power to the master device and the slave device.
- FIG. 3 shows a flowchart of another example of a power supply control command determination process 300 according to the first embodiment of the present disclosure.
- the power supply device control circuit 150 detects a power supply output power P of the power supply device .
- the P master device can be the minimum available charging required power, or the available charging required power specified (by the master device or the user), for example, through the control circuit of the power supply device and the main Devices negotiate to specify available charging power.
- the P power supply device If it is determined that the P power supply device ⁇ P master device +P slave device , then at 303, it is determined whether the master device has a power supply demand.
- the power supply requirement is used to indicate that an external power supply device is required to charge the main device.
- the power supply device control circuit may negotiate with the master device to determine whether the master device has a power supply requirement based on the power difference between the power supply output power of the power supply device and the working power of the slave device. For example, the power supply device control circuit sends the power difference between the power supply output power of the power supply device and the working power of the slave device to the master device, and the master device determines whether to charge according to the power difference. For example, when the power difference is greater than the power required for charging, it is determined that there is a charging demand, and the charging demand is sent to the power supply device control circuit. In addition, optionally, the power required for charging used during charging may be further determined based on the power difference.
- control circuit of the power supply device may pre-negotiate with the main device to specify that charging should be performed as long as a predetermined condition is met.
- the predetermined condition may be that the power supply output power P of the power supply device is not lower than the sum of the charging power P of the master device and the operating power P of the slave device P of the slave device .
- the power supply device control circuit may determine that the master device has a power supply demand in response to receiving a power supply request from the master device.
- the power supply control command is the fifth power supply control command.
- the fifth power supply control command is used to instruct to supply power to the master device and the slave device at the same time.
- the fifth power supply control command is used to instruct to supply power to the slave-end device with the working power of the slave-end device, and to use the remaining power (that is, the difference power between the output power of the power supply and the working power of the slave-end device) Charge the main device.
- the fifth power supply control command is used to instruct to supply power to the slave device with the working power of the slave device, and to charge the master device with the required charging power of the master device.
- the control circuit of the power supply device can notify the master device of the power difference between the output power of the power supply and the working power of the slave device, and the master device will use the power difference according to the power difference. Select the appropriate charging required power from the available charging required power, and then notify the selected charging required power or its equivalent message (for example, the number, code, unique identification information, etc.) of the charging required power Power supply equipment control circuit. The power supply device control circuit then charges the main device according to the power required for charging.
- the power supply control command is the sixth power supply control command
- the sixth power supply control command is used to instruct to supply power to the slave device and not to supply power to the master device.
- the sixth power supply control command is used to instruct the slave device to supply power to the slave device at the working power P of the slave device .
- P power supply device ⁇ P master device +P slave device determines whether the power supply output power of the power supply device P power supply device is not lower than the working power P of the slave device. If it is determined that P power supply device ⁇ P slave device , then at 305, determine that the power supply control command is the sixth power supply control command.
- P power supply device ⁇ P slave device it is determined whether the power supply output power P of the power supply device is not lower than the required charging power P of the master device. If it is determined that P power supply device ⁇ P master device , then at 308, it is determined whether the master device has a power supply demand. If the master device has a power supply demand, then at 309, determine that the power supply control command is the seventh power supply control command. The seventh power supply control command is used to instruct to supply power to the master device and not to supply power to the slave device.
- the charging for the master device may be performed according to the power supply output power of the power supply device. In another example, the charging for the master device may be performed according to the charging power of the master device.
- the control circuit of the power supply device can notify the master device of the power difference between the output power of the power supply and the working power of the slave device, and the master device will use the power difference according to the power difference. Select the appropriate charging required power from the available charging required power, and then notify the selected charging required power or its equivalent message (for example, the number, code, unique identification information, etc.) of the charging required power Power supply equipment control circuit. The power supply device control circuit then charges the main device according to the power required for charging.
- the power supply control command is the eighth power supply control command.
- the eighth power supply control command is used to instruct not to supply power to the master device and the slave device.
- the power supply device control circuit 150 is electrically connected to the interface control circuit 160 . After the power supply device control circuit 150 determines the power supply control command, it sends the determined power supply control command to the interface control circuit 160 .
- the interface control circuit 160 is also configured to be electrically connected to the switch circuit 140, and the switch circuit 140 is configured to be electrically connected to the first interface 110, the second interface 120 and the third interface 130.
- the interface control circuit 160 can switch the switch circuit 140 according to the power supply control command, so as to realize the on-off of the corresponding power supply line between the power supply device and the master device and the slave device, so that the power supply device can control the power supply according to the power supply control command.
- the device and the slave device are powered.
- FIG. 4 shows a schematic diagram of an implementation example of the switch circuit 140 according to the first embodiment of the present disclosure.
- the switch circuit 140 includes a first switch circuit 141 , a second switch circuit 142 and a third switch circuit 143 .
- the first switch circuit 141 and the third switch circuit 143 are sequentially connected in series between the power supply ports of the first interface 110 and the third interface 130 (for example, via a power supply line).
- the second switch circuit 142 (for example, via a power line) is connected to the power supply port of the second interface 120 and the intermediate connection point between the first switch circuit 141 and the third switch circuit 143 (intermediate node, which can also be referred to as a connection point) between.
- the first switch circuit 141, the second switch circuit 142, and the third switch circuit 143 can be realized by using any suitable switch mechanism, for example, a digital switch circuit or an analog switch circuit, for example, based on a triode or a triode group. Switching circuits, switching circuits based on field effect transistors or field effect transistor groups, etc. In an example, a combination of N-MOSFET and P-MOSFET can be used to realize the switching circuit.
- switching circuit 140 shown in FIG. 4 is merely an illustrative example. In other embodiments, other suitable manners may be used to implement the switch circuit 140 that can switch the power supply line on and off based on the power supply control command.
- FIG. 5 shows a flowchart of a control process 500 of a switch circuit according to the first embodiment of the present disclosure. This control process is executed by the interface control circuit.
- a power supply control command is received from the power supply device control circuit 150 .
- the switch circuit 140 is controlled so that the first switch circuit 141 , the second switch circuit 142 and the third switch circuit 143 are closed. In this state, both the first interface and the second interface are connected to the third interface.
- the switch circuit 140 is controlled to open the first switch circuit 141 and close the second switch circuit 142 and the third switch circuit 143 . In this state, the second interface communicates with the third interface.
- the switch circuit 140 is controlled to close the first switch circuit 141 and the third switch circuit 143 and to open the second switch circuit 142 . In this state, the first interface and the third interface are connected.
- the switch circuit 140 is controlled so that the third switch circuit 143 is turned off.
- the first switch circuit 141 , the second switch circuit 142 and the third switch circuit 143 may be turned off.
- the first switch circuit 141 and the second switch circuit 142 are closed, and the third switch circuit 143 is opened. In this state, neither the first interface nor the second interface communicates with the third interface.
- the connector 100 may further include a signal transmission line (not shown) connected between the first interface 110 and the second interface 120 .
- the signal transmission line is configured to perform data signal transmission and signaling signal transmission between the master device and the slave device, for example, to transmit data signals and signaling signals required by the master device and the slave device for data processing.
- Examples of signal transmission lines may include USB signal lines, DP (Display Port) signal lines, and the like.
- FIG. 6 shows a schematic structural diagram of an example of a connector 600 according to the second embodiment of the present disclosure.
- the connector 600 shown in the second embodiment is a modified example to the connector 100 shown in the first embodiment.
- the connector 600 includes a first interface 610 , a second interface 620 , a third interface 630 , a switch circuit 640 , a power supply device control circuit 650 and an interface control circuit 660 .
- the structure and operation of the first interface 610, the second interface 620, the third interface 630, the switch circuit 640, the power supply device control circuit 650 and the interface control circuit 660 are the same as those of the first interface 110,
- the structures and operations of the second interface 120 , the third interface 130 , the switch circuit 140 , the power supply device control circuit 150 and the interface control circuit 160 are the same and will not be described here.
- the connector 600 also includes a signal transmission line 670 connected between the first interface 610 and the second interface 620 .
- the signal transmission line 670 is configured to perform data signal transmission and signaling signal transmission between the master device and the slave device.
- the data transmission rate of the signal transmission line 670 is not lower than 5Gbps, that is, the signal transmission line is a high-speed signal transmission line for transmitting high-speed signals.
- the signal transmission line 670 may include, for example, a USB 3.1 signal line and a DP signal line.
- the connector 600 also includes a clock data reconstruction circuit 680 connected between the first interface 610 and the second interface 620 via a signal transmission line.
- the clock data reconstruction circuit 680 is configured to perform signal reconstruction and recovery on signals transmitted between the first interface 110 and the second interface 120 .
- the length and thickness of the cables connected to the master device side and the slave device side are different, so that the signal transmission speed on the signal transmission line is as high as 5-10Gbps (for example, the signal transmission line is USB3.1 In the case of signal line and DP signal line), the DC attenuation and AC attenuation of the transmitted high-speed signal are very serious.
- the standard signal sent by the sending end cannot be received normally at the receiving end.
- the bad influence of channel distribution parameters on the signal can be removed at the sending end, and then the signal is reconstructed through the clock data recovery circuit, and then the reconstructed signal is sent out again according to the standard signal requirements.
- Fig. 7 shows a schematic structural diagram of an example of a clock data reconstruction circuit 680 between the first interface and the second interface according to the second embodiment of the present disclosure.
- the clock data reconstruction circuit 680 may include a first signal equalization circuit 681, a first clock data recovery circuit 682 and a first Signal sending circuit 683.
- the first signal equalization circuit 681 performs signal equalization processing on the signal at the sending end on the first interface 110 side, thereby removing the bad influence of the channel distribution parameters on the signal.
- the first clock data recovery circuit 682 performs clock data recovery processing on the signal after signal equalization processing, thereby completing signal reconstruction.
- the first signal sending circuit 683 re-sends the signal reconstructed by the first clock data recovery circuit 682 according to standard signal requirements, thereby ensuring the transmission quality of the signal transmitted from the first interface side 110 to the second interface side 120 .
- the clock data reconstruction circuit 680 may further include a second signal equalization circuit 684 , a second clock data recovery circuit 685 and a second signal transmission circuit 686 sequentially connected between the second interface 120 and the first interface 110 via signal transmission lines.
- the function and operation of the second signal equalization circuit 684, the second clock data recovery circuit 685 and the second signal transmission circuit 686 are the same as the first signal equalization circuit 681, the first clock data recovery circuit 682 and the first signal transmission circuit 683. This is no longer described.
- FIG. 8 shows a schematic structural diagram of an example of a connector 800 according to a third embodiment of the present disclosure.
- the connector 800 shown in the third embodiment is a modification to the connector 600 shown in the second embodiment.
- the first interface and the second interface are Type C interfaces
- the signal transmission line includes a first USB signal line and a DP signal line.
- the first USB signal line is used to realize bidirectional communication between the master device and the slave device
- the DP signal line is used to realize unidirectional communication from the master device to the slave device.
- the data transmission rate of the first USB signal line and the DP signal line is not lower than 5Gbps (ie, a high-speed signal transmission line).
- the first USB signal line may include, for example, a USB 3.1 signal line.
- the signal transmission line may further include a second USB signal line, the data transmission rate of the second USB signal line is lower than 5Gbps (that is, a low-speed signal transmission line), and the second USB signal line
- the line is directly connected between the first interface 110 and the second interface 120 .
- the second USB signal line may include, for example, a USB 2.0 signal line, a USB 1.0 signal line, and the like.
- the connector 800 includes a first interface 810 , a second interface 820 , a third interface 830 , a switch circuit 840 , a power supply device control circuit 850 , an interface control circuit 860 and a signal transmission line 870 .
- the structure and operation of the first interface 810, the second interface 820, the third interface 830, the switch circuit 840, the power supply equipment control circuit 850, the interface control circuit 860 and the signal transmission line 870 are similar to those of the first interface 610, the second interface 620, the second interface
- the structures and operations of the three interfaces 630 , the switch circuit 640 , the power supply device control circuit 650 , the interface control circuit 660 and the signal transmission line 670 are the same and will not be described here.
- the connector 800 differs from the connector 600 in the clock data reconstruction switch circuit 880 in the connector 800 .
- FIG. 9 shows a schematic structural diagram of an example of a clock data reconstruction switch circuit 880 between the first interface and the second interface according to the third embodiment of the present disclosure.
- the clock data reconstruction switch circuit 880 also includes a first Channel switching circuit 887 between the clock data recovery circuit 882 and the first signal transmission circuit 883 and between the second clock data recovery circuit 885 and the second signal transmission circuit 886 .
- the channel switching circuit 887 is configured to perform channel switching processing on the signal transmission line according to the forward and reverse insertion states of the master device and the slave device. The positive and negative insertion states of the master device and the slave device can be detected by the interface control circuit using the PD protocol.
- the interface control circuit 860 may have two control ports supporting the PD protocol, wherein one control port is connected to the CC signal terminal of the first interface 110 via a signal line, and the other control port It is connected to two CC signal terminals of the second interface 120 via two signal lines.
- the interface control circuit 860 can determine the master device and the slave according to the CC signals received from the CC signal terminals of the first interface 110 and the second interface 120.
- the forward and reverse insertion status between devices, and the determined forward and reverse insertion status (channel switching control signal) is sent to the channel switching circuit 887.
- it can be sent to the channel switching circuit 887 through a GPIO (General Purpose input output) control line or an I2C control line.
- the channel switching control signal may be a GPIO signal or an I2C signal.
- FIG. 10 shows a schematic structural diagram of a connector 1000 implemented based on a type C interface according to a fourth embodiment of the present disclosure.
- the connector 1000 shown in FIG. 10 is applied to an application scenario where a mobile phone and AR glasses work together.
- the mobile phone acts as the master device, and the first interface is the mobile phone Type C plug 1010.
- the AR glasses act as a slave device, and the second interface is the glasses Type C socket 1020.
- the charger acts as a power supply device, and the third interface is the charger Type C socket 1030.
- the signal transmission signaling between the mobile phone Type C plug 1010 and the glasses Type C socket 1020 includes a USB 2.0 signal line (the second USB signal line), a USB 3.1 signal line (the first USB signal line) and a DP signal line.
- the USB 2.0 signal line is directly connected between the corresponding terminals of the Type C plug 1010 of the mobile phone and the Type C socket 1020 of the glasses, so that the USB 2.0 signal is transmitted between the Type C plug 1010 of the mobile phone and the Type C socket 1020 of the glasses through the USB 2.0 signal line.
- the signals transmitted by the USB 3.1 signal line and the DP signal line are processed by the clock data reconstruction switch circuit 1080 and then transmitted from the sending end to the receiving end.
- the power supply equipment control circuit is realized by the charger controller 1050 .
- the charger controller 1050 determines a power supply control command according to the detected power supply output power, the charging power of the mobile phone and the working power of the glasses, and sends the power supply control command to the interface control circuit.
- the charger controller 1050 can be realized by using Cypress CCG3PA chip, for example.
- the interface control circuit can be implemented by using a dual-port Type C control unit 1060, for example, by using a Cypress CCG4 chip.
- the dual-port Type C control unit 1060 is respectively connected to the first to the third switch circuits 1041-1043, and is used to control the closing and opening of the first to the third switch circuits 1041-1043 according to the power supply control command, thereby realizing the power supply equipment Power control for mobile phones and glasses.
- the dual-port Type C control unit 1060 is also connected to the CC_P1 terminal of the Type C plug 1010 of the mobile phone, and to the two CC terminals (CC1_P2 and CC2_P2) of the Type C socket 1020 of the glasses.
- the dual-port Type C control unit 1060 When the mobile phone and the glasses are respectively inserted into the Type C plug 1010 of the mobile phone and the Type C socket 1020 of the glasses, the dual-port Type C control unit 1060 according to the CC_P1 signal from the CC_P1 terminal of the Type C plug 1010 of the mobile phone and the CC1_P2 terminal from the Type C socket 1020 of the glasses. The CC1_P2 signal and the CC2_P2 signal of the CC2_P2 terminal determine the positive and negative insertion status of the mobile phone and glasses. Then, the dual-port Type C control unit 1060 transmits the determined positive and negative insertion status to the clock data reconstruction switch circuit 1080 via the GPIO line or the I2C line. The clock data rebuilding switch circuit 1080 performs signal transmission channel switching processing based on the determined forward and reverse insertion states.
- Dual-port Type C control unit 1060, mobile phone Type C plug 1010 and glasses Type C socket 1020 support the PD protocol, so that after the mobile phone and glasses are inserted into the mobile phone Type C plug 1010 and glasses Type C socket 1020, the dual-port Type C control unit 1060 It can communicate with the PD control module of the mobile phone to negotiate the working mode of the glasses, whether power supply is required, and so on. In addition, the dual-port Type C control unit 1060 can also communicate and negotiate with the PD control module on the glasses side to ensure the normal realization of the video stream and data stream communication between the mobile phone and the glasses.
- Fig. 11 shows a flowchart of a power supply control method 1100 applied to a connector according to a fifth embodiment of the present disclosure.
- the power supply device control circuit in response to detecting that the power supply device is plugged into the third interface, the power supply output power of the power supply device is detected.
- At 1120 at the power supply device control circuit, determine the power supply control commands of the power supply device for the master device and the slave device according to the power supply output power of the power supply device, the charging power of the master device, and the working power of the slave device. For the determination process of the power supply control command, refer to the above description for details.
- the power supply control circuit sends a power supply control command to the interface control circuit.
- At 1140 at the interface control circuit, in response to receiving the power supply control command, perform switching control on the switch circuit according to the power supply control command to control the power supply of the power supply device to the master device and the slave device.
- the control process of the switch circuit please refer to the above description.
- Fig. 12 shows a schematic block diagram of a power supply control device 1200 applied to a connector according to a sixth embodiment of the present disclosure.
- the power supply control device 1200 includes a power supply output power detection unit 1210 , a power supply control command determination unit 1220 , a power supply control command sending unit 1230 and a switch circuit control unit 1240 .
- the power supply output power detection unit 1210, the power supply control command determination unit 1220 and the power supply control command sending unit 1230 form a power supply equipment control circuit, or serve as components of the power supply equipment control circuit.
- the switch circuit control unit 1240 functions as an interface control circuit, or as a component of the interface control circuit.
- the power supply output power detection unit 1210 is configured to detect the power supply output power of the power supply device in response to detecting that the power supply device is plugged into the third interface.
- the power supply control command determination unit 1220 is configured to determine the power supply control commands of the power supply device for the master device and the slave device according to the power supply output power of the power supply device, the charging power of the master device and the working power of the slave device.
- the power supply control command sending unit 1230 is configured to send the power supply control command to the interface control circuit.
- the switch circuit control unit 1240 is configured to, in response to receiving the power supply control command, perform switching control on the switch circuit according to the power supply control command to control the power supply of the power supply device to the master device and the slave device.
- the embodiments of the connector, the power supply control method and the power supply control device applied to the connector according to the embodiments of the present disclosure are described.
- the details mentioned above in the description of the method embodiment are also applicable to the device embodiment of the present disclosure.
- the above power supply control device can be implemented by hardware, or by software or a combination of hardware and software.
- Fig. 13 shows an example hardware structure diagram of a power supply control device 1300 implemented based on a computer system according to an embodiment of the present disclosure.
- the power supply control device 1300 may include at least one processor 1310, a memory (such as a non-volatile memory) 1320, a memory 1330 and a communication interface 1340, and at least one processor 1310, a memory 1320, a memory 1330 and a communication interface The interfaces 1340 are connected together via a bus 1360 .
- At least one processor 1310 executes a computer program (ie, the above-mentioned elements implemented in software) stored or encoded in a memory.
- a computer program ie, the above-mentioned elements implemented in software
- a computer program is stored in the memory, and when the computer program is executed, at least one processor 1310: at the side of the power supply device control circuit, detects the power supply of the power supply device in response to detecting that the power supply device is inserted into the third interface. Output power; determine the power supply control command of the power supply device for the master device and the slave device according to the power supply output power, the charging power of the master device, and the working power of the slave device; and send the power supply control command to the interface control circuit, in the interface
- the control circuit side in response to receiving the power supply control command, controls the switch circuit according to the power supply control command to control the power supply of the power supply device to the master device and the slave device.
- At least one processor 1310 is made to perform various operations and functions described above in conjunction with FIGS. 1-12 in various embodiments of the present disclosure.
- a program product such as a computer readable medium
- the computer-readable medium may have a computer program (that is, the above-mentioned elements implemented in the form of software), and when the computer program is executed by the processor, the processor executes the various embodiments described above in conjunction with FIGS. 1-12 in various embodiments of the present disclosure. operations and functions.
- a system or device equipped with a computer-readable storage medium can be provided, on which a software program code for realizing the functions of any one of the above-mentioned embodiments is stored, and the system or device can A computer or a processor reads and executes the computer program stored in the computer-readable storage medium.
- the computer program code itself read from the computer-readable medium can realize the function of any one of the above-mentioned embodiments, so the computer-readable program code and the computer-readable storage storing the computer-readable program code
- the medium forms part of the invention.
- Examples of computer readable storage media include floppy disks, hard disks, magneto-optical disks, optical disks (such as CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD-RW), magnetic tape, non-volatile memory card and ROM.
- the program code can be downloaded from a server computer or cloud via a communication network.
- a computer program product includes a computer program, the computer program, when executed by a processor, causes the processor to perform the above described in conjunction with FIGS. 1-13 in various embodiments of the present disclosure.
- the master device may be called a first device
- the slave device may be called a second device.
- the first device is connected to the second device through the connector provided by the embodiment of the present disclosure, the first device sends the content data to be presented to the second device through the above connector, and the second device receives the content data to be presented for display, such as virtual reality display or augmented reality display.
- the second device collects data through the sensor, and sends the data collected by the sensor to the first device through the connector.
- the first device processes the data collected by the sensor, so that the second device displays the content data to be presented according to the data processing result.
- the data collected by the aforementioned sensors may be image data and IMU data, etc., and the aforementioned data processing may be SLAM operations, etc.
- the present disclosure also provides a connector, including: a first interface, used to connect to a first device; a second interface, used to connect to a second device; a third interface, used to connect to a power supply device; and the first interface, A switch circuit connected to the second interface and the third interface.
- the connector is configured to detect the power supply output power of the power supply device in response to detecting that the power supply device is plugged into the third interface, and determine the power of the power supply device for the second device according to the power supply output power, the charging power of the first device, and the operating power of the second device.
- the power supply control commands of the first device and the second device make the switch circuit switch from the following states: in the first state, both the first interface and the second interface are connected to the third interface; in the second state, the first interface and the third interface connected; in the third state, the second interface is connected with the third interface; and in the fourth state, neither the first interface nor the third interface is connected with the third interface.
- the connector also includes a power supply device control circuit and an interface control circuit.
- the power supply device control circuit is connected to the third interface, and is configured to detect the power supply output power of the power supply device in response to detecting that the power supply device is inserted into the third interface, and according to the power supply output power, the charging required power of the first device and the second
- the working power of the second device determines the power supply control command of the power supply device for the first device and the second device.
- the interface control circuit is connected to the switch circuit and the power supply equipment control circuit, and is configured to, in response to receiving a power supply control command from the power supply equipment control circuit, perform switch control on the switch circuit according to the power supply control command (that is, to make the switch circuit perform state switching) to control the power supply of the power supply device to the first master device and the second device.
- the execution order of each step is not fixed, and can be determined as required.
- the device structures described in the above embodiments may be physical structures or logical structures, that is, some units may be realized by the same physical entity, or some units may be realized by multiple physical entities, or may be realized by multiple physical entities. Certain components in individual devices are implemented together.
- the hardware units or modules may be implemented mechanically or electrically.
- a hardware unit, module, or processor may include permanently dedicated circuitry or logic (such as a dedicated processor, FPGA, or ASIC) to perform the corresponding operations.
- the hardware unit or processor may also include programmable logic or circuits (such as a general-purpose processor or other programmable processors), which can be temporarily set by software to complete corresponding operations.
- the specific implementation mechanical way, or a dedicated permanent circuit, or a temporary circuit
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Abstract
Description
Claims (15)
- 一种连接器,包括:第一接口,用于连接主设备;第二接口,用于连接从端设备;第三接口,用于连接供电设备;与所述第一接口、所述第二接口和所述第三接口连接的开关电路;与所述第三接口连接的供电设备控制电路,被配置为响应于检测到供电设备插入第三接口,检测所述供电设备的供电输出功率,并且根据所述供电输出功率、所述主设备的充电所需功率和所述从端设备的工作功率确定所述供电设备针对所述主设备和所述从端设备的供电控制命令;以及与所述开关电路以及所述供电设备控制电路连接的接口控制电路,被配置为响应于从所述供电设备控制电路接收到所述供电控制命令,根据所述供电控制命令对所述开关电路进行开关控制来控制所述供电设备对所述主设备和所述从端设备的供电。
- 如权利要求1所述的连接器,其中,所述供电设备控制电路被配置为:响应于所述供电设备的供电输出功率不低于所述主设备的充电所需功率与所述从端设备的工作功率之和,确定所述供电控制命令为第一供电控制命令,所述第一供电控制命令用于指示同时对所述主设备和所述从端设备供电;响应于所述供电设备的供电输出功率低于所述主设备的充电所需功率与所述从端设备的工作功率之和且不低于所述从端设备的工作功率,确定所述供电控制命令为第二供电控制命令,所述第二供电控制命令用于指示对所述从端设备供电,并且不对所述主设备供电;响应于所述供电设备的供电输出功率低于所述从端设备的工作功率且不低于所述主设备的充电所需功率,确定所述供电控制命令为第三供电控制命令,所述第三供电控制命令用于指示对所述主设备供电,并且不对所述从端设备供电;响应于所述供电设备的供电输出功率低于所述主设备的充电所需功率,确定所述供电控制命令为第四供电控制命令,所述第四供电控制命令用于指示不对所述主设备和所述从端设备供电。
- 如权利要求1所述的连接器,其中,所述供电设备控制电路被配置为:响应于所述供电设备的供电输出功率不低于所述主设备的充电所需功率与所述从端设备的工作功率之和且所述主设备存在供电需求,确定所述供电控制命令为第五供电 控制命令,所述第五供电控制命令用于指示同时对所述主设备和所述从端设备供电,响应于所述供电设备的供电输出功率不低于所述主设备的充电所需功率与所述从端设备的工作功率之和且所述主设备不存在供电需求,和所述供电设备的供电输出功率不低于所述从端设备的工作功率但低于所述主设备的充电所需功率与所述从端设备的工作功率之和,两者中的一者,确定所述供电控制命令为第六供电控制命令,所述第六供电控制命令用于指示对所述从端设备供电,并且不对所述主设备供电,相应于所述供电设备的供电输出功率低于所述从端设备的工作功率但不低于所述主设备的充电所需功率且所述主设备存在供电需求,确定所述供电控制命令为第七供电控制命令,所述第七供电控制命令用于指示对所述主设备供电,并且不对所述从端设备供电;响应于所述供电设备的供电输出功率低于所述从端设备的工作功率但不低于所述主设备的充电所需功率且所述主设备不存在供电需求,和所述供电设备的供电输出功率低于所述主设备的充电所需功率,两者中的一者,确定所述供电控制命令为第八供电控制命令,所述第八供电控制命令用于指示不对所述主设备和所述从端设备供电。
- 如权利要求2或3所述的连接器,其中,针对所述主设备和所述从端设备的充电配置为如下中的一种:以所述从端设备的工作功率对所述从端设备供电,并且以所述供电输出功率与所述从端设备的工作功率的差值功率对主设备进行充电配置,和以所述从端设备的工作功率对所述从端设备供电,并且以所述主设备的充电所需功率对主设备进行充电。
- 如权利要求2至4中任一项所述的连接器,其中,供电设备控制电路配置为响应于主设备具有多个可用充电所需功率,将所述供电输出功率与所述从端设备的工作功率的功率差值通知主设备,以使所述主设备根据该功率差值从所述多个可用充电所需功率中选择合适的充电所需功率。
- 如权利要求3所述的连接器,其中,所述供电设备控制电路通过下述方式中的一种确定所述主设备存在供电需求:基于所述供电设备的供电输出功率与所述从端设备的工作功率的功率差值来与所述主设备协商确定,与所述主设备预先协商规定,和响应于接收到所述主设备的供电请求而确定。
- 如权利要求1至6中任一项所述的连接器,其中,所述开关电路包括:依次串联连接在所述第一和第三接口的供电端口之间的第一开关电路和第三开关电路;以及连接在所述第二接口的供电端口与所述第一开关电路和所述第二开关电路的连接点之间的第二开关电路。
- 如权利要求1至7中任一项所述的连接器,还包括:连接在所述第一接口和所述第二接口之间的信号传输线路,被配置为在所述主设备和所述从端设备之间进行数据信号传输和信令信号传输。
- 如权利要求8所述的连接器,其中,所述信号传输线路的数据传输速率不低于5Gbps,所述连接器还包括下述配置中的一种:经由所述信号传输线路依序连接在所述第一接口和所述第二接口之间的第一信号均衡电路、第一时钟数据恢复电路和第一信号发送电路,和经由所述信号传输线路依序连接在所述第二接口和所述第一接口之间的第二信号均衡电路、第二时钟数据恢复电路和第二信号发送电路。
- 如权利要求8所述的连接器,其中,所述第一接口和所述第二接口是Type C接口,所述信号传输线路包括第一USB信号线路、第二USB信号线路和DP信号线路,所述第一USB信号线路和第二USB信号线路用于实现所述主设备和所述从端设备之间的双向通信,所述DP信号线路用于实现从所述主设备到所述从端设备的单向通信,所述第一USB信号线路和所述DP信号线路的数据传输速率不低于5Gbps,所述第二USB信号线路的数据传输速率低于5Gbps,并且所述第二USB信号线路连接在所述第一接口和所述第二接口之间。
- 如权利要求10所述的连接器,还包括:经由所述第一USB信号线路和所述DP信号线路依序连接在所述第一接口和所述第二接口之间的第一信号均衡电路、第一时钟数据恢复电路和第一信号发送电路,和/或经由所述第一USB信号线路和所述DP信号线路依序连接在所述第二接口和所述第一接口之间的第二信号均衡电路、第二时钟数据恢复电路和第二信号发送电路。
- 如权利要求10或11所述的连接器,还包括:通道切换电路,经由所述第一USB信号线路和所述DP信号线路中的至少一者连接在所述第一时钟数据恢复电路和所述第一信号发送电路之间,以及连接在所述第二时钟数据恢复电路和所述第二信号发送电路之间,被配置为根据所述主设备和所述从端设备 的正反插状态,对所述第一USB信号线路和所述DP信号线路进行通道切换处理。
- 如权利要求1至12中任一项所述的连接器,其中,所述连接器配置为能够:接收所述主设备的待呈现内容数据并将所述待呈现内容数据发送至所述从端设备,接收所述从端设备的传感器采集的数据并将所述传感器采集的数据发送至所述主设备,以使所述主设备对所述传感器采集的数据进行处理,所述从端设备依据数据处理结果对所述待呈现内容数据进行显示。
- 一种应用于连接器的供电控制方法,所述连接器包括分别用于连接主设备、从端设备和供电设备的第一接口、第二接口和第三接口,与所述第一接口、所述第二接口和所述第三接口连接的开关电路,与所述第三接口连接的供电设备控制电路,与所述开关电路以及所述供电设备控制电路连接的接口控制电路,所述方法包括:在所述供电设备控制电路处,响应于检测到供电设备插入第三接口,检测所述供电设备的供电输出功率;根据所述供电输出功率、所述主设备的充电所需功率和所述从端设备的工作功率确定所述供电设备针对所述主设备和所述从端设备的供电控制命令;以及将所述供电控制命令发送给所述接口控制电路,在所述接口控制电路处,响应于接收到所述供电控制命令,根据所述供电控制命令对所述开关电路进行开关控制以控制所述供电设备对所述主设备和所述从端设备的供电。
- 一种计算机可读存储介质,其存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求14所述的供电控制方法。
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