WO2017166633A1

WO2017166633A1 - Data transmission method, electrical device and data cable

Info

Publication number: WO2017166633A1
Application number: PCT/CN2016/096841
Authority: WO
Inventors: 于燕
Original assignee: 乐视控股（北京）有限公司; 乐视移动智能信息技术（北京）有限公司
Priority date: 2016-03-29
Filing date: 2016-08-26
Publication date: 2017-10-05
Also published as: CN105893175A

Abstract

A data backup method, an electrical device and data cable. The method comprises: the electrical device connecting to a power supply device via the data cable (S101); when the electrical device acquires power from the power supply device via the data cable, the electrical device detecting whether a memory is provided at the data cable (S102); if the electrical device detects that a memory is provided at the data cable, performing data transmission between the electrical device and the memory (S103). The present invention can be used to solve security issues in backing up data via cloud storage in the prior art, and the problem of low data backup efficiency when backing up data with a memory device.

Description

Data transmission method, electric equipment and data line

The present application is based on a Chinese patent application filed on Jan. 29, 2016, the entire disclosure of which is hereby incorporated by reference.

[Technical Field]

The present invention relates to the field of data transmission technologies, and in particular, to a data transmission method, a power consumption device, and a data line.

【Background technique】

In the current power devices such as terminals and smart home appliances, a large amount of user data is stored. In order to prevent the trouble of data introduction when the power device is stolen or replaced, the data stored in the power device is backed up. It is especially important. The data backup in the prior art mainly has two implementation means: backing up the data stored in the power device to the cloud disk; or, by connecting the storage device, backing up the data stored in the power device to the storage device.

In the process of implementing the present invention, the inventors have found that at least the following problems exist in the prior art:

Backing up data through the cloud disk is easy to operate, but the data after backup is stored in the network, and the security of the network storage is more and more questioned. Therefore, there is a big security risk in using the cloud disk to back up data. In addition, although backing up data through a storage device is a method frequently used by users, the method must complete data backup when an additional storage device is connected, the operation is complicated, and the data backup efficiency is low.

[Summary of the Invention]

In view of this, the embodiments of the present invention provide a data transmission method, a power consumption device, and a data line, which are used to solve the security risks existing in the prior art through the cloud disk backup data, and the data existing by the backup data of the storage device. The problem of low backup efficiency.

In order to achieve the above object, an embodiment of the present invention provides a data backup method, including:

The power device is connected to the power supply device through the data line;

When the powered device obtains electrical energy from the power supply device through the data line, the powered device detects whether a memory is disposed in the data line;

If the powered device detects that a memory is disposed in the data line, the powered device performs data transmission with the memory.

The aspect as described above, and any of the possible implementations, further provide an implementation manner, the detecting, by the electrical device, detecting whether the data line is provided with a memory, includes:

The electrical device detects an identifier of the data line;

If the identifier of the data line detected by the powered device is the same as the identifier of the preset data line provided with the memory; or if the identifier of the data line detected by the powered device is preset The format of the identification of the data line provided with the memory is the same, and the powered device determines that the memory is provided in the data line.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, in which the powered device performs data transmission with the memory, including:

The power device queries a data transmission protocol of the data line;

The powered device and the memory perform data transmission through the data transmission protocol.

Transmitting, by the powered device, data stored by the powered device to a memory set in the data line; or

The powered device acquires data stored in a memory provided in the data line.

In an aspect as described above and any possible implementation, an implementation is further provided, wherein the power of the data line is provided by the power supply device.

One of the above technical solutions has the following beneficial effects:

In the embodiment of the present invention, the powered device is connected to the power supply device through the data line, and when the powered device obtains the electrical energy from the power supply device through the data line, the powered device detects whether the data line is in the data line. A memory is provided, and if the powered device detects that a memory is disposed in the data line, the powered device performs data transmission with the memory. Therefore, the embodiment of the present invention realizes data transmission between the power device and the data line while the power supply device is charging the power device through the data line provided with the memory, and uses the solution to back up the data stored on the power device. The network security risk brought by uploading data from the powered device to the network cloud disk is avoided. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

In order to achieve the above object, the embodiment of the present invention further provides a data backup method, including:

The data lines provided with the memory are respectively connected to the power device and the power supply device;

When the data line provided with the memory supplies the power of the power supply device to the power device, the memory performs data transmission with the power device.

The foregoing aspect and any possible implementation manner further provide an implementation manner, in which the memory performs data transmission with the powered device, including:

The memory performs data transmission with the powered device through a data transmission protocol of the data line.

The memory receives data sent by the powered device; or

The memory transmits data stored by the memory to the powered device.

One of the above technical solutions has the following beneficial effects:

In the embodiment of the present invention, the power device and the power supply device are respectively connected by the data line provided with the memory, and the data line provided with the memory supplies the power of the power supply device to the power device. The memory performs data transmission with the powered device. Therefore, the embodiment of the present invention realizes data transmission between the power device and the data line while the power supply device is charging the power device through the data line provided with the memory, and uses the solution to back up the data stored on the power device. The network security risk brought by uploading data from the powered device to the network cloud disk is avoided. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

In order to achieve the above object, an embodiment of the present invention provides an electrical device, wherein the electrical device is connected to the power supply device through a data line, and the powered device includes:

a detecting module, configured to detect whether a memory is disposed in the data line when the power device obtains power from the power supply device through the data line;

And a transmission module, configured to perform data transmission with the memory if the detection module detects that a memory is disposed in the data line.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the detecting module is specifically configured to:

Detecting an identifier of the data line;

If the detected identifier of the data line is the same as the identifier of the preset data line in which the memory is set; or, if the detected identifier of the data line is different from the preset identifier of the data line in which the memory is set In the same manner, it is determined that a memory is provided in the data line.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the transmission module is specifically configured to:

Querying a data transmission protocol of the data line;

Data transmission with the memory through the data transfer protocol.

An aspect as described above, and any possible implementation, further providing an implementation manner, Transmission module, specifically for:

Transmitting data stored by the powered device to a memory set in the data line; or

Acquiring data stored in a memory set in the data line.

One of the above technical solutions has the following beneficial effects:

In the embodiment of the present invention, the power device is connected to the power supply device through the data line, and when the power device obtains the power from the power supply device through the data line, the monitoring module in the power device detects the data line. Whether a memory is provided, and if the detecting module detects that a memory is disposed in the data line, the transmission module in the power device performs data transmission with the memory. Therefore, the embodiment of the present invention realizes data transmission between the power device and the data line while the power supply device is charging the power device through the data line provided with the memory, and uses the solution to back up the data stored on the power device. The network security risk brought by uploading data from the powered device to the network cloud disk is avoided. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

In order to achieve the above object, an embodiment of the present invention provides a data line, including:

a connection line for respectively connecting the power device and the power supply device; and, for supplying the power of the power supply device to the power device;

And a memory, configured to perform data transmission with the powered device when the connecting line supplies power of the power supply device to the powered device.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the memory is specifically used to:

Data transmission is performed with the powered device through a data transmission protocol of the data line.

Receiving data transmitted by the powered device; or

Transmitting data stored by the storage module to the powered device.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the connection line is further used to:

The power of the power supply device is provided to the memory.

One of the above technical solutions has the following beneficial effects:

In the embodiment of the present invention, the connection lines in the data line are respectively connected to the power consumption device and the power supply device, and the power of the power supply device is supplied to the power consumption device, and the connection line in the data line is When the power of the power supply device is supplied to the power device, the memory in the data line performs data transmission with the power device. Therefore, the embodiment of the present invention realizes data transmission between the power device and the data line while the power supply device is charging the power device through the data line provided with the memory, and uses the solution to back up the data stored on the power device. The network security risk brought by uploading data from the powered device to the network cloud disk is avoided. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

[Description of the Drawings]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. One of ordinary skill in the art can also obtain other drawings based on these drawings without paying for inventive labor.

1 is a schematic flowchart of Embodiment 1 of a data transmission method according to an embodiment of the present invention;

2 is a diagram showing an example of a data transmission system according to an embodiment of the present invention;

3 is a schematic flowchart of Embodiment 2 of a data transmission method according to an embodiment of the present invention;

4 is a schematic structural diagram of a power-consuming device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a data line according to an embodiment of the present invention.

【detailed description】

For a better understanding of the technical solutions of the present invention, the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are only a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The terms used in the embodiments of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the invention. The singular forms "a", "the" and "the"

It should be understood that the term "and/or" as used herein is merely an association describing the associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, while A and B, there are three cases of B alone. In addition, the character "/" in this article generally indicates that the contextual object is an "or" relationship.

Depending on the context, the word "if" as used herein may be interpreted as "when" or "when" or "in response to determining" or "in response to detecting." Similarly, depending on the context, the phrase "if determined" or "if detected (conditions or events stated)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event) "Time" or "in response to a test (condition or event stated)".

Embodiment 1

The embodiment of the invention provides a data transmission method, and the method is a specific implementation manner of implementing a data transmission method by a power device side. Please refer to FIG. 1 , which is a schematic flowchart of Embodiment 1 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 1 , the method includes the following steps:

S101. The powered device is connected to the power supply device through a data line.

It should be noted that the powered device involved in the embodiments of the present invention may include, but is not limited to, a mobile terminal, a personal computer, a tablet computer, a mobile phone, a personal digital assistant, a wireless handheld device, an MP3 player, an MP4 player, and the like.

It should be noted that the data lines involved in the embodiments of the present invention may include, but are not limited to, a Universal Serial Bus (USB) data line and a serial data line.

It should be noted that the power supply device involved in the embodiments of the present invention may include, but is not limited to, a terminal and a power adapter.

For example, please refer to FIG. 2 , which is an example diagram of a data transmission system according to an embodiment of the present invention. As shown in FIG. 2 , after a power device is connected to a power supply device through a data line, the power device can obtain power through the data line. The power supplied by the device.

Specifically, as shown in FIG. 2, the data line supplies the power provided by the power supply device to the power IC in the power device and the memory in the data line, and after the power IC obtains the power, the power device is the power device. Other devices in the system provide power.

Specifically, as shown in FIG. 2, the built-in controller of the electric device is connected to the memory in the electric device, and the data stored in the electric device can be interacted with other devices through the processing of the controller, and the electric device is used. The following operations of S102 and S103 can be completed by the built-in controller.

S102. When the power device obtains power from the power supply device through the data line, the power device detects whether a memory is set in the data line.

In the embodiment of the present invention, after the electrical equipment is connected to the power supply device through the data line, the power supply device supplies power to the power device through the data line, and the power device automatically detects whether the memory is set in the data line.

Specifically, the method for detecting whether the memory is set in the data line by the electrical device may include but is not limited to:

The electrical equipment detects the identity of the data line;

If the identifier of the data line detected by the powered device is the same as the identifier of the preset data line provided with the memory; or, if the identifier of the data line detected by the powered device is different from the identifier of the preset data line provided with the memory The format is the same, and the powered device determines that the data line is provided with a memory.

The format of the identifier of the data line provided with the memory or the identifier of the data line provided with the memory may be preset in the powered device according to actual needs.

In a specific implementation process, the identifier of the data line may specifically include, but is not limited to, at least one of the following identifiers: a string identifier, a configuration descriptor identifier, and an interface descriptor identifier.

The format of the identifier of the data line, which is preset in the power device, may include, but is not limited to, at least one of the following characters: the character at a certain position is a specified character, a character arrangement manner, and a character number.

For example, in the embodiment of the present invention, when the power device detects the character string identifier of the data line, the power device may set the character string identifier of the data line in which the memory is set to A in advance, and automatically detect the data after the power device connects the data line. The string identifier of the line. If the string identifier of the data line detected by the powered device is also A, that is, the identifier of the data line detected by the powered device is the same as the identifier of the preset data line with the memory set, The electrical device determines that a memory is provided in the data line.

Or, for example, the power device may pre-set the character format of the last 3 digits of the character string identifier of the data line provided with the memory as an alpha-numeric-letter, and automatically detect the string of the data line after connecting the data line with the electrical device. The last three digits of the character string of the data line detected by the electrical device are also alpha-numeric-letter, that is, the identifier of the data line detected by the powered device and the preset setting with memory. The format of the identification of the data lines is the same, and the electrical device determines that the memory is set in the data line.

S103. If the electrical device detects that the memory is set in the data line, the power device and the memory perform data transmission.

Specifically, after the electrical device detects that the memory is set in the data line, the power device obtains the power from the power supply device through the data line, and the memory in the data line can also obtain the power from the power supply device, that is, the power of the data line. It is provided by the power supply equipment.

For example, the implementation method of data transmission by the electrical device and the memory may include, but is not limited to:

Querying the data transmission protocol of the data line with the electrical device;

The data transfer protocol of the data line is transmitted by the power device and the memory set in the data line. lose.

In a specific implementation process, the data transmission protocol of the data line specifically includes but is not limited to: USB "On-Go" (USB-OTG) protocol.

For example, if the data transmission protocol used by the electrical device to query the data line provided with the memory is the USB-OTG protocol, based on the data transmission protocol, the powered device can be enumerated as a USB-OTG master device, and the memory can be enumerated as USB-OTG slave device. Alternatively, based on the data transfer protocol, the powered device is enumerated as a USB-OTG slave device, and the memory is enumerated as a USB-OTG master device. That is, the USB-OTG master device and the USB-OTG slave device can perform data transmission based on the USB-OTG protocol.

Specifically, the data transmission performed by the electrical device and the memory set in the data line may include the following two implementation manners:

The first type: the electrical device sends the data stored by the powered device to the memory set in the data line. That is, the powered device stores the data stored by itself into the memory set in the data line, and the memory set in the data line can perform backup of the data.

Second: The electrical device acquires the data stored in the memory set in the data line. That is, the data stored in the memory set in the data line can be stored in the power device, and the power device can perform backup of the data.

In the embodiment of the present invention, if the power device is enumerated as a USB-OTG master device, the memory is enumerated as a USB-OTG slave device, and the power device transmits the data stored by the power device to the memory set in the data line; or If the powered device is enumerated as a USB-OTG slave device, the memory is enumerated as a USB-OTG master device, and the power device acquires data stored in the memory set in the data line.

The technical solution of the embodiment of the invention has the following beneficial effects:

In the embodiment of the present invention, the power device is connected to the power supply device through the data line, and when the power device obtains the power from the power supply device through the data line, the power device detects whether the memory is set in the data line, and if the power device detects the data line A memory is provided, and the power device and the memory perform data transmission. Therefore, in the embodiment of the present invention, the data line of the memory device is used to realize the data transmission of the power device and the data line while the power supply device is charging the power device, and the data stored on the power device is used by using the solution. Backup of the line avoids the network security risk caused by uploading data from the powered device to the network cloud disk. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

Embodiment 2

The embodiment of the invention further provides a data transmission method, and the method is a specific implementation manner of implementing a data transmission method on the data line side. Please refer to FIG. 3 , which is a schematic flowchart of Embodiment 2 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 3 , the method includes the following steps:

S301. The data lines provided with the memory are respectively connected to the power device and the power supply device.

It should be noted that the data lines involved in the embodiments of the present invention may include, but are not limited to, a USB data line and a serial data line.

Specifically, after the data lines provided with the memory are respectively connected to the power device and the power supply device, the data line provided with the memory supplies the power provided by the power supply device to the memory in the power device and the data line.

For example, as shown in FIG. 2, after the data lines provided with the memory are respectively connected to the power device and the power supply device, the data line provided with the memory supplies the power provided by the power supply device to the memory in the power device and the data line.

Specifically, as shown in FIG. 2, the data line supplies the power provided by the power supply device to the power IC in the power device and the memory in the data line, and after the power IC obtains the power, the power device provides the other devices in the power device. Electrical energy.

S302: When the data line provided with the memory supplies the power of the power supply device to the power device, the memory and the power device perform data transmission.

Specifically, when the data line provided with the memory supplies the power of the power supply device to the power device, the memory and the power device perform data transmission, including:

The memory set in the data line transmits data to and from the powered device through the data transmission protocol of the data line.

In a specific implementation process, the data transmission protocol of the data line specifically includes but is not limited to: the USB-OTG protocol.

For example, if the data transmission protocol used by the data line is the USB-OTG protocol, based on the data transmission protocol, the memory can be enumerated as a USB-OTG slave device, and the power device can be enumerated as a USB-OTG master device. Alternatively, based on the data transfer protocol, the memory enumeration is a USB-OTG master device, and the powered device is enumerated as a USB-OTG slave device. That is, the USB-OTG master device and the USB-OTG slave device can perform data transmission based on the USB-OTG protocol.

Specifically, the data transmission between the memory and the powered device may include the following two implementation manners:

The first type: the memory receives data transmitted by the powered device. That is, the data stored in the power device itself can be stored in a memory set in the data line, and the memory set in the data line can perform backup of the data.

Second: The memory sends the data stored in the memory to the powered device. That is, the data stored in the memory set in the data line can be stored in the powered device, and the powered device can perform backup of the data.

In the embodiment of the present invention, if the memory is enumerated as a USB-OTG slave device, the power device is enumerated as a USB-OTG master device, and the memory receives data sent by the power device; or the memory is enumerated as a USB-OTG master device. The powered device is enumerated as a USB-OTG slave device, and the memory transmits the data stored in the memory to the powered device.

In the embodiment of the present invention, the power device and the power supply device are respectively connected through the data lines provided with the memory. When the data line provided with the memory supplies the power of the power supply device to the power device, the memory and the power device perform data transmission. Therefore, the embodiment of the present invention realizes data transmission between the power device and the data line while the power supply device is charging the power device through the data line provided with the memory, and uses the solution to back up the data stored on the power device. The network security risk brought by uploading data from the powered device to the network cloud disk is avoided. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

Embodiment 3

Based on the data transmission method provided in the first embodiment, the embodiment of the present invention further provides an apparatus embodiment for implementing the steps and methods in the foregoing data transmission method embodiment. Please refer to FIG. 4, which is provided by the embodiment of the present invention. Schematic diagram of the structure of the electrical equipment,

The powered device is connected to the power supply device through a data line, and the powered device includes:

The detecting module 41 is configured to detect whether a memory is disposed in the data line when the power device obtains the power from the power supply device through the data line;

The transmission module 42 is configured to perform data transmission with the memory if the detection module detects that a memory is disposed in the data line.

It should be noted that the detection module 41 and the transmission module 42 can be integrated into a controller built in the electrical device, and the electrical device can implement data interaction with other devices through the controller.

Specifically, the detecting module 41 is specifically configured to:

Detecting the identification of the data line;

If the identifier of the detected data line is the same as the identifier of the preset data line in which the memory is set; or if the identifier of the detected data line is the same as the format of the identifier of the preset data line in which the memory is set, the data is determined. A memory is provided in the line.

Specifically, the transmission module 42 is specifically configured to:

Query the data transmission protocol of the data line;

Data transfer with the data transfer protocol of the memory through the data line.

Specifically, the transmission module 42 is specifically configured to:

Sending data stored by the powered device to the memory set in the data line; or,

Get the data stored in the memory set in the data line.

Since the units in this embodiment can perform the method shown in FIG. 1, and the parts not described in detail in this embodiment, reference may be made to the related description of FIG.

In the embodiment of the present invention, the power device is connected to the power supply device through the data line, and when the power device obtains the power from the power supply device through the data line, the detection module in the power device detects whether the memory is set in the data line, and if the detection module detects A memory is provided in the data line, and the data is transmitted by the transmission module and the memory in the power device. Therefore, the embodiment of the present invention realizes data transmission between the power device and the data line while the power supply device is charging the power device through the data line provided with the memory, and uses the solution to back up the data stored on the power device. The network security risk brought by uploading data from the powered device to the network cloud disk is avoided. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

Embodiment 4

Based on the data transmission method provided in the foregoing embodiment 2, the embodiment of the present invention further provides an apparatus embodiment for implementing the steps and methods in the foregoing data transmission method embodiment. Please refer to FIG. 5, which is provided by the embodiment of the present invention. A schematic diagram of the structure of a data line, the data line including:

a connecting line 51 for respectively connecting the electric device and the power supply device; and for supplying the electric energy of the power supply device to the electric device;

The memory 52 is configured to connect the power line to the power device when the power is supplied to the power device, and the power device Data transfer.

Specifically, the memory 52 is specifically configured to: perform data transmission with the powered device through a data transmission protocol of the data line.

Specifically, the memory 52 is specifically configured to: receive data sent by the powered device; or send the data stored in the memory 52 to the powered device.

Specifically, the connection line 51 is further configured to: supply power of the power supply device to the memory 52.

Since each unit in this embodiment can perform the method shown in FIG. 3, and the parts not described in detail in this embodiment, reference may be made to the related description of FIG.

In the embodiment of the present invention, the connection lines in the data line are respectively connected to the electrical equipment and the power supply equipment, and the power of the power supply equipment is supplied to the power equipment, and the connection line in the data line supplies the power of the power supply equipment to the power equipment. At the time, the memory in the data line and the powered device perform data transmission. Therefore, the embodiment of the present invention realizes data transmission between the power device and the data line while the power supply device is charging the power device through the data line provided with the memory, and uses the solution to back up the data stored on the power device. The network security risk brought by uploading data from the powered device to the network cloud disk is avoided. Moreover, compared with the method for implementing data backup by connecting additional storage devices in the prior art, the embodiment of the present invention can realize the backup of the data in the powered device by relying only on the data lines necessary for the electrical device, without The electric device is additionally connected to other storage devices, and only needs to be connected to the data line to be charged, and the data stored in the electric device can be backed up while charging the electric device, the operation is simple, the security is high, and the data backup is improved. effectiveness.

One of ordinary skill in the art will appreciate that all or part of the steps to implement the various method embodiments described above may be accomplished by hardware associated with the program instructions. The aforementioned program can be stored in a computer class reading storage medium. The program, when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes: ROM, RAM, disk, or the like, which can store various program codes.

The device embodiments described above are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, and the components displayed as units may or may not be It is not a physical unit, it can be located in one place, or it can be distributed to at least two network units. Some or all of the modules may be selected according to actual needs to achieve the objectives of the embodiments of the present invention. Those of ordinary skill in the art can understand and implement without any creative effort.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

A data transmission method, characterized in that the method comprises:

The power device is connected to the power supply device through the data line;

When the powered device obtains electrical energy from the power supply device through the data line, the powered device detects whether a memory is disposed in the data line;

If the powered device detects that a memory is disposed in the data line, the powered device performs data transmission with the memory.
The method according to claim 1, wherein the detecting, by the electrical device, whether the data line is provided with a memory comprises:

The electrical device detects an identifier of the data line;

If the identifier of the data line detected by the powered device is the same as the identifier of the preset data line provided with the memory; or if the identifier of the data line detected by the powered device is preset The format of the identification of the data line provided with the memory is the same, and the powered device determines that the memory is provided in the data line.
The method according to claim 1, wherein the power device performs data transmission with the memory, including:

The power device queries a data transmission protocol of the data line;

The powered device and the memory perform data transmission through the data transmission protocol.
The method according to claim 1 or 3, wherein the power device performs data transmission with the memory, including:

Transmitting, by the powered device, data stored by the powered device to a memory set in the data line; or

The powered device acquires data stored in a memory provided in the data line.
The method of claim 1 wherein said data line is powered by said source Provided by electrical equipment.
A data transmission method, comprising:

The data lines provided with the memory are respectively connected to the power device and the power supply device;

When the data line provided with the memory supplies the power of the power supply device to the power device, the memory performs data transmission with the power device.
The method according to claim 6, wherein the memory and the powered device perform data transmission, including:

The memory performs data transmission with the powered device through a data transmission protocol of the data line.
The method according to claim 6, wherein the memory and the powered device perform data transmission, including:

The memory receives data sent by the powered device; or

The memory transmits data stored by the memory to the powered device.
The method of claim 6 wherein the electrical energy of said data line is provided by said powering device.
An electric device, wherein the electric device is connected to a power supply device through a data line;

The powered device includes:

a detecting module, configured to detect whether a memory is disposed in the data line when the power device obtains power from the power supply device through the data line;

And a transmission module, configured to: if the detection module detects that a memory is disposed in the data line, the transmission module performs data transmission with the memory.
The electrical device according to claim 10, wherein the detecting module is specifically configured to:

Detecting an identifier of the data line;

If the detected identifier of the data line is the same as the identifier of the preset data line in which the memory is set; or, if the identifier of the data line is detected and the preset data line of the memory is set The format of the recognition is the same, and it is determined that the memory is set in the data line.
The electrical device according to claim 10, wherein the transmission module is specifically configured to:

Querying a data transmission protocol of the data line;

Data transmission with the memory through the data transfer protocol.
The electrical device according to claim 10 or 12, wherein the transmission module is specifically configured to:

Transmitting data stored by the powered device to a memory set in the data line; or

Acquiring data stored in a memory set in the data line.
A data line, comprising:

a connection line for respectively connecting the power device and the power supply device; and, for supplying the power of the power supply device to the power device;

And a memory, configured to perform data transmission with the powered device when the connecting line supplies power of the power supply device to the powered device.
The data line according to claim 14, wherein the memory is specifically configured to:

Data transmission is performed with the powered device through a data transmission protocol of the data line.
The data line according to claim 14, wherein the memory is specifically configured to:

Receiving data transmitted by the powered device; or

Transmitting data stored in the memory to the powered device.
The data line according to claim 14, wherein the connecting line is further configured to:

The power of the power supply device is provided to the memory.