Electronic paper backpack control method and device

By using near-field communication components in electronic paper backpacks, the backpack is bloated and power-produced instability is solved, and portability and real-time refresh effects are achieved.

CN119806367AInactive Publication Date: 2025-04-11JIANGXI XINGTAI TECH INC
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Patent Information

Application Number
CN202411797611.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-04-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing electronic paper backpack is embedded with additional communication components, which makes the backpack bloated and the power supply unstable, resulting in the electronic paper being unable to be refreshed in time.

Method used

The near field communication component (NFC) is adopted to utilize its wireless electromagnetic field transmission and induction characteristics to realize data communication and power generation, reducing dependence on additional mobile power components.

Benefits of technology

It improves the portability and power efficiency of the electronic paper backpack, ensuring that the electronic paper can be refreshed in real time according to user needs at any time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an electronic paper backpack control method and device. The method is applied to a first electronic paper knapsack, the first electronic paper knapsack comprises a first near field communication assembly, a flexible ink electronic paper assembly and a power supply assembly, and a first radio frequency signal sent by a first mobile terminal is received through the first near field communication assembly; the first radio frequency signal is sent by the first mobile terminal through a second near field communication component; storing electric energy generated when the first near field communication assembly receives the first radio frequency signal through a power supply assembly; and providing electric energy for the flexible ink electronic paper assembly through a power supply assembly, so that the flexible ink electronic paper assembly executes a refreshing operation according to the first radio frequency signal. According to the application, the energy consumption of the electronic paper knapsack can be reduced, the convenience of the electronic paper knapsack is improved, and the electronic paper on the knapsack can be refreshed in real time according to the demand of a user.
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Description

Technical Field

[0001] The present application relates to the field of electronic backpacks, and in particular to a method and device for controlling an electronic paper backpack. Background Art

[0002] With the development of electronic paper technology, electronic paper is widely used in various portable devices, such as e-books, smart tags, smart watches, etc. In order to improve the aesthetics of backpacks, existing backpack manufacturers embed electronic paper on the surface of backpacks, so that the backpacks can change different appearance patterns according to user needs.

[0003] However, the existing electronic paper backpack solutions usually implement the control of the electronic paper components by embedding Bluetooth components or other wireless communication components, and further combine detachable mobile power components to power the electronic paper components. The above solutions not only make the backpack bloated, but also require the power components in the backpack to continuously power the entire electronic paper backpack due to the introduction of additional communication components. When the power is exhausted, the electronic paper components cannot be refreshed in time.

[0004] Therefore, how to improve the portability of the electronic paper backpack and ensure that the electronic paper can be refreshed in real time according to the needs of the user is a technical problem that needs to be solved at present. Summary of the invention

[0005] The present application provides an electronic paper backpack control method and device to solve the technical problem of how to improve the portability of the electronic paper backpack and ensure that the electronic paper can be refreshed in real time according to user needs.

[0006] In order to solve the above technical problems, in a first aspect, an embodiment of the present application provides an electronic paper backpack control method, which is applied to a first electronic paper backpack, wherein the first electronic paper backpack includes a first near field communication component, a flexible ink electronic paper component, and a power supply component, including:

[0007] Receiving, through the first near field communication component, a first radio frequency signal sent by a first mobile terminal; the first radio frequency signal is sent by the first mobile terminal through the second near field communication component;

[0008] storing, by the power supply component, electrical energy generated when the first near field communication component receives the first radio frequency signal;

[0009] The power supply component provides the electric energy to the flexible ink electronic paper component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal.

[0010] Compared with the prior art, the embodiments of the present application have the following beneficial effects: by combining the near field communication component (NFC) with the characteristics of wireless magnetic field transmission and induction, the functions of data communication and generating electric energy can be realized by using only the near field communication component, without the need to embed a detachable mobile power component and other communication components at the same time, thereby effectively improving the portability of the electronic paper backpack; in addition, since the flexible ink electronic paper component has the characteristic of still being able to maintain the screen image when the power is off, the entire electronic paper backpack only requires a small amount of electric energy to perform communication operations and flexible ink electronic paper refresh operations when refreshing the flexible ink electronic paper, thereby effectively reducing the energy consumption of the electronic paper backpack, and combining the components with energy storage function and the functional characteristics of the near field communication component to generate electric current with electromagnetic induction, thereby ensuring that the flexible ink electronic paper refresh operation is performed according to the needs of the user at any time.

[0011] In some embodiments of the first aspect of the present application, providing the electric energy to the flexible ink electronic paper component by the power supply component so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal includes:

[0012] Wherein, the first electronic paper backpack also includes a first control chip;

[0013] Decoding the first radio frequency signal by the first control chip to obtain first screen projection data;

[0014] The first screen projection data is written into the flexible ink electronic paper component through the first control chip, and the flexible ink electronic paper component is controlled to perform a refresh operation to display the first screen projection data.

[0015] Compared with the prior art, the above embodiment has the following beneficial effects: after receiving the first radio frequency signal, the first radio frequency signal is decoded into first projection data through the first control chip, and the flexible ink electronic paper component is controlled to perform a refresh operation to respond to user needs, thereby ensuring that the flexible ink electronic paper refresh operation is performed according to user needs at any time.

[0016] In some embodiments of the first aspect of the present application, before receiving, by the first near field communication component, a first radio frequency signal sent by a first mobile terminal, further comprising:

[0017] In response to a first read instruction from the first mobile terminal for a first product serial number corresponding to the first electronic paper backpack, the first product serial number is sent to the first mobile terminal, and encrypted communication with the first mobile terminal is established.

[0018] Compared with the prior art, the above embodiment has the following beneficial effects: by sending the first product serial number of the first electronic paper backpack to the first mobile terminal, so that the first mobile terminal can establish a corresponding encrypted communication channel with the first electronic paper backpack according to the first product serial number, it prevents the data that should be transmitted to the first electronic paper backpack from being transmitted to other devices through the first near-field communication component, thereby improving the security of data transmission.

[0019] In some embodiments of the first aspect of the present application, after receiving, by the first near field communication component, a first radio frequency signal sent by a first mobile terminal, further comprising:

[0020] Returning a first response signal to the first mobile terminal through the first near field communication component;

[0021] A first refresh instruction sent by the first mobile terminal according to the first response signal is received through the first near field communication component; the first refresh instruction is used to control the flexible ink electronic paper component to perform a refresh operation.

[0022] Compared with the prior art, the above embodiment has the following beneficial effects: through the first near-field communication component, a first response signal is sent to the first mobile terminal, indicating that the data to be projected has been received, and a first refresh instruction returned by the first mobile terminal is received to perform a refresh operation, thereby ensuring that the flexible ink electronic paper component can perform the refresh operation normally and perform the refresh operation according to user needs.

[0023] In a second aspect, an embodiment of the present application further provides an electronic paper backpack control method, which is applied to a second mobile terminal, wherein the second mobile terminal includes a third near field communication component, including:

[0024] In response to the user's first device binding instruction, sending a second read instruction to the fourth near field communication component of the second electronic paper backpack through the third near field communication component to obtain the second product serial number of the second electronic paper backpack;

[0025] Establishing encrypted communication with the second electronic paper backpack according to the second product serial number;

[0026] In response to the user's first screen projection instruction, a second radio frequency signal is sent to the fourth near field communication component through the third near field communication component; the second radio frequency signal is the second screen projection data that has been encoded;

[0027] When the second response signal returned by the fourth near field communication component and the second refresh instruction issued by the user are received, the second refresh instruction is sent to the fourth near field communication component through the third near field communication component.

[0028] Compared with the prior art, the embodiments of the present application have the following beneficial effects: the second mobile terminal transmits screen projection data with the second electronic paper backpack through NFC, and simultaneously generates a radio magnetic field through NFC, so that the NFC-induced radio magnetic field of the second electronic paper backpack generates current, thereby realizing the second mobile terminal's power supply to the second electronic paper backpack, ensuring that the electronic paper screen of the second electronic paper backpack is refreshed according to user needs at any time, thereby improving user experience and convenience in using the electronic paper backpack.

[0029] In a third aspect, an embodiment of the present application further provides an electronic paper backpack control device, which is applied to a first electronic paper backpack, wherein the first electronic paper backpack includes a first near field communication component, a flexible ink electronic paper component and a power supply component, including: a first near field communication module, a power supply module and an electronic paper module;

[0030] The first near field communication module is used to receive a first radio frequency signal sent by a first mobile terminal through the first near field communication component; the first radio frequency signal is sent by the first mobile terminal through the second near field communication component;

[0031] The power module is used to store the electric energy generated when the first near field communication component receives the first radio frequency signal through the power component;

[0032] The electronic paper module is used to provide the electric energy to the flexible ink electronic paper component through the power supply component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal.

[0033] In some embodiments of the third aspect of the present application, providing the electric energy to the flexible ink electronic paper component by the power supply component so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal includes:

[0034] Wherein, the first electronic paper backpack also includes a first control chip;

[0035] Decoding the first radio frequency signal by the first control chip to obtain first screen projection data;

[0036] The first screen projection data is written into the flexible ink electronic paper component through the first control chip, and the flexible ink electronic paper component is controlled to perform a refresh operation to display the first screen projection data.

[0037] In some embodiments of the third aspect of the present application, before receiving, by the first near field communication component, a first radio frequency signal sent by a first mobile terminal, further comprising:

[0038] In response to a first read instruction from the first mobile terminal for a first product serial number corresponding to the first electronic paper backpack, the first product serial number is sent to the first mobile terminal, and encrypted communication with the first mobile terminal is established.

[0039] In some embodiments of the third aspect of the present application, after receiving, by the first near field communication component, a first radio frequency signal sent by a first mobile terminal, further comprising:

[0040] Returning a first response signal to the first mobile terminal through the first near field communication component;

[0041] A first refresh instruction sent by the first mobile terminal according to the first response signal is received through the first near field communication component; the first refresh instruction is used to control the flexible ink electronic paper component to perform a refresh operation.

[0042] In a fourth aspect, an embodiment of the present application further provides an electronic paper backpack control device, which is applied to a second mobile terminal, wherein the second mobile terminal includes a third near field communication component, including: a second near field communication module, a device binding module, a third near field communication module, and an electronic paper refresh module;

[0043] The second near field communication module is used to respond to the user's first device binding instruction, and send a second read instruction to the fourth near field communication component of the second electronic paper backpack through the third near field communication component to obtain the second product serial number of the second electronic paper backpack;

[0044] The device binding module is used to establish encrypted communication with the second electronic paper backpack according to the second product serial number;

[0045] The third near field communication module is used to respond to the user's first screen projection instruction and send a second radio frequency signal to the fourth near field communication component through the third near field communication component; the second radio frequency signal is the second screen projection data that has been encoded;

[0046] The electronic paper refresh module is configured to send the second refresh instruction to the fourth near field communication component through the third near field communication component upon receiving the second response signal returned by the fourth near field communication component and the second refresh instruction issued by the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 A schematic flow chart of an electronic paper backpack control method applied to a first electronic paper backpack provided in an embodiment of the present application;

[0048] Figure 2 A schematic flow chart of a method for controlling an electronic paper backpack applied to a second mobile terminal provided in an embodiment of the present application;

[0049] Figure 3 A schematic diagram of the structure of an electronic paper backpack control device provided in an embodiment of the present application;

[0050] Figure 4 A schematic structural diagram of an electronic paper backpack control device applied to a first electronic paper backpack provided in an embodiment of the present application;

[0051] Figure 5 A schematic structural diagram of an electronic paper backpack control device applied to a second mobile terminal provided in an embodiment of the present application. DETAILED DESCRIPTION

[0052] Existing electronic paper backpack solutions usually implement the control of electronic paper components by embedding Bluetooth components or other wireless communication components, and further combine detachable mobile power components to power the electronic paper components. The above solutions not only make the backpack bloated, but also require the power components in the backpack to continuously power the entire electronic paper backpack due to the introduction of additional communication components. When the power is exhausted, the electronic paper components will not be refreshed in time.

[0053] In order to solve the above technical problems, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0054] Embodiment 1

[0055] Please refer to Figure 1 , an electronic paper backpack control method applied to a first electronic paper backpack provided in an embodiment of the present application, wherein the first electronic paper backpack includes a first near field communication component, a flexible ink electronic paper component and a power supply component, Figure 1 The electronic paper backpack control method shown includes S10 to S30, specifically:

[0056] To explain more clearly Figure 1 The backpack control method shown is then combined with Figure 3 Preferably, the main control board of the first electronic paper backpack in this embodiment can be used Figure 3 The main control board structure is shown. Figure 3The main control board shown includes an NFC coil (i.e., a first near-field communication component), a power management system, an NFC chip (i.e., a first control chip), an energy storage capacitor (together with the power management system to form a power component) and an ink screen (Electronic Paper Displays, EPD) (the ink screen is a flexible ink electronic paper component); the NFC chip is connected to the NFC coil to receive data transmitted by the NFC coil or to send data through the NFC coil; the NFC chip is connected to the ink screen to decode and transmit the data received from the NFC coil to the ink screen, and to perform an ink screen refresh operation according to the control instructions received from the NFC coil; the NFC chip is connected to the energy storage capacitor to achieve power acquisition; the power management system is connected to the NFC coil to output the alternating current input by the NFC coil as a voltage; the power management system is connected to the energy storage capacitor to store the voltage input by the power management system through the energy storage capacitor; the energy storage capacitor is connected to the ink screen to provide power for the ink screen.

[0057] S10: receiving a first radio frequency signal sent by a first mobile terminal through the first near field communication component; the first radio frequency signal is sent by the first mobile terminal through the second near field communication component.

[0058] Further, in some embodiments of the present application, before receiving, by the first near field communication component, the first radio frequency signal sent by the first mobile terminal, the method further includes:

[0059] In response to a first read instruction from the first mobile terminal for a first product serial number corresponding to the first electronic paper backpack, the first product serial number is sent to the first mobile terminal, and encrypted communication with the first mobile terminal is established.

[0060] By sending the first product serial number of the first electronic paper backpack to the first mobile terminal, the first mobile terminal can establish a corresponding encrypted communication channel with the first electronic paper backpack according to the first product serial number, thereby preventing data that should be transmitted to the first electronic paper backpack from being transmitted to other devices through the first near-field communication component, thereby improving the security of data transmission.

[0061] Preferably, in some embodiments of the present application, the first mobile terminal includes but is not limited to smart phones, smart watches, tablets, and any other hardware devices that include NFC components and can receive user operation instructions.

[0062] Preferably, in some embodiments of the present application, Figure 3As shown, when the user uses a mobile device (i.e., the first mobile terminal in this embodiment) to operate the electronic paper backpack for the first time, it is necessary to open the application in the mobile device and bring the NFC coil of the mobile device close to the NFC coil of the main control board to read the serial number of the electronic paper backpack. After the application reads the serial number of the electronic paper backpack, it performs the device binding operation and agrees on the key for data communication with the electronic paper backpack to improve the security of data transmission.

[0063] Further, in some embodiments of the present application, after receiving the first radio frequency signal sent by the first mobile terminal through the first near field communication component, the method further includes:

[0064] Returning a first response signal to the first mobile terminal through the first near field communication component;

[0065] A first refresh instruction sent by the first mobile terminal according to the first response signal is received through the first near field communication component; the first refresh instruction is used to control the flexible ink electronic paper component to perform a refresh operation.

[0066] Through the first near-field communication component, a first response signal is sent to the first mobile terminal, indicating that the data to be projected has been received, and a first refresh instruction returned by the first mobile terminal is received to perform a refresh operation, thereby ensuring that the flexible ink electronic paper component can perform the refresh operation normally and perform the refresh operation according to user needs.

[0067] Preferably, in some embodiments of the present application, reference Figure 3 When the user needs to project the screen on the e-paper backpack, the user brings the mobile device close to the NFC coil of the main control board and outputs the data to be projected. After the NFC chip receives the data, it buffers the data and responds to the mobile device through the NFC coil with a response message that the data has been successfully transmitted. When the application receives the above response message, it prompts the user to perform the e-paper refresh operation. After the user sends a refresh instruction through the application, the NFC chip decodes the cached data and writes it to the ink screen, and then controls the ink screen to perform the refresh operation. When the ink screen is refreshed, the NFC chip replies to the application through the NFC coil with a successful response to the refresh command, and the application prompts that the screen projection is over.

[0068] S20: Storing, by the power supply component, the electric energy generated when the first near field communication component receives the first radio frequency signal.

[0069] Preferably, in some embodiments of the present application, the power supply assembly at least includes Figure 3The power management component and energy storage capacitor component shown; preferably, the power management component includes at least a bridge rectifier, a filter, and a voltage stabilizing circuit, and the bridge ballast circuit is used to convert the alternating current induced by the first near-field communication component into direct current, further smooth the voltage waveform through the filter capacitor, and finally limit the output voltage through the voltage stabilizing circuit; preferably, in order to avoid power use, the energy storage capacitor component adopts a group of parallel capacitor arrays, wherein the larger the capacitor, the more electricity it can store, the longer the charging time, and the greater the peak current at the moment of connection. Users can choose a suitable capacitor array according to their own needs.

[0070] S30: Providing the electric energy to the flexible ink electronic paper component through the power supply component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal.

[0071] Further, in some embodiments of the present application, providing the electric energy to the flexible ink electronic paper component through the power supply component so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal includes:

[0072] Wherein, the first electronic paper backpack also includes a first control chip;

[0073] Decoding the first radio frequency signal by the first control chip to obtain first screen projection data;

[0074] The first screen projection data is written into the flexible ink electronic paper component through the first control chip, and the flexible ink electronic paper component is controlled to perform a refresh operation to display the first screen projection data.

[0075] After receiving the first radio frequency signal, the first control chip decodes the first radio frequency signal into first projection data, and controls the flexible ink electronic paper component to perform a refresh operation to respond to user needs, thereby ensuring that the flexible ink electronic paper refresh operation is performed according to user needs at any time.

[0076] From the above, it can be seen that the electronic paper backpack control method applied to the first electronic paper backpack provided by the embodiment of the present application has the following beneficial effects: by combining the characteristics of wireless magnetic field transmission and induction of the near-field communication component, the function of data communication and generating electric energy can be realized by using only the near-field communication component, without the need to embed a detachable mobile power component and other communication components at the same time, thereby effectively improving the portability of the electronic paper backpack; in addition, since the flexible ink electronic paper component has the characteristic of still being able to maintain the screen image when the power is off, the entire electronic paper backpack only requires a small amount of electric energy to perform communication operations and flexible ink electronic paper refresh operations when refreshing the flexible ink electronic paper, thereby effectively reducing the energy consumption of the electronic paper backpack, and combining the components with energy storage function and the functional characteristics of electromagnetic induction to generate current of the near-field communication component, thereby ensuring that the flexible ink electronic paper refresh operation is performed according to the needs of the user at any time.

[0077] Embodiment 2

[0078] refer to Figure 2 , is an electronic paper backpack control method applied to a second mobile terminal provided in an embodiment of the present application, wherein the second mobile terminal includes a third near field communication component, Figure 2 The electronic paper backpack control method shown includes S40 to S70, specifically:

[0079] To explain more clearly Figure 2 The backpack control method shown is then combined with Figure 3 The mobile device shown in the figure is further described. The mobile terminal described in this embodiment can be used Figure 3 The mobile device structure shown in FIG. Figure 3 The mobile device shown includes an application (Application, APP) that sends relevant instructions to the main control board and a mobile device NFC coil for the mobile device to communicate with the main control board. The application is connected to the mobile device NFC coil and communicates with the main control board of the electronic paper backpack through the mobile device NFC coil.

[0080] S40: In response to the user's first device binding instruction, a second read instruction is sent to the fourth near field communication component of the second electronic paper backpack through the third near field communication component to obtain the second product serial number of the second electronic paper backpack.

[0081] S50: Establishing encrypted communication with the second electronic paper backpack according to the second product serial number.

[0082] Preferably, in some embodiments of the present application, Figure 3As shown, when the user uses a mobile device (i.e., the second mobile terminal in this embodiment) to operate the electronic paper backpack for the first time, it is necessary to open the application in the mobile device and bring the NFC coil of the mobile device close to the NFC coil of the main control board to read the serial number of the electronic paper backpack. After the application reads the serial number of the electronic paper backpack, it performs the device binding operation and agrees on the key for data communication with the electronic paper backpack to improve the security of data transmission.

[0083] S60: In response to the user's first screen projection instruction, a second radio frequency signal is sent to the fourth near field communication component through the third near field communication component; the second radio frequency signal is the second screen projection data that has been encoded.

[0084] Preferably, in some embodiments of the present application, reference Figure 3 When the user needs to project the screen of the electronic paper backpack, the user selects the picture data to be projected, and the application converts the picture data selected by the user into hexadecimal data and compresses it. The user further brings the NFC coil of the mobile device close to the NFC coil of the main control board and sends a projection command through the application. At this time, the mobile device supplies power to the main control board through the NFC coil of the mobile device and the NFC coil of the main control board. At the same time, after encrypting the compressed hexadecimal data, the encrypted hexadecimal data is transmitted to the NFC chip through the NFC coil of the mobile device and the NFC coil of the main control board.

[0085] S70: When a second response signal returned by the fourth near field communication component and a second refresh instruction issued by the user are received, the second refresh instruction is sent to the fourth near field communication component through the third near field communication component.

[0086] Preferably, in some embodiments of the present application, reference Figure 3 When the NFC chip receives the data, it buffers the data and responds with a response message that the data has been successfully transmitted through the NFC coil. When the application receives the above response message, it prompts the user to perform the electronic paper refresh operation. After the user issues a refresh command through the application, the NFC chip decodes the cached data and writes it to the ink screen, and then controls the ink screen to perform the refresh operation. When the ink screen is refreshed, the NFC chip replies to the application through the NFC coil with a successful response to the refresh command, and the application prompts that the screen projection is over.

[0087] In summary, it can be seen that the electronic paper backpack control method applied to the second mobile terminal provided in the embodiment of the present application has the following beneficial effects: the second mobile terminal transmits screen projection data with the second electronic paper backpack through NFC, and simultaneously generates a radio magnetic field through NFC, so that the NFC of the second electronic paper backpack senses the radio magnetic field to generate current, thereby realizing the second mobile terminal's power supply to the second electronic paper backpack, ensuring that the electronic paper screen of the second electronic paper backpack is refreshed according to user needs at any time, thereby improving user experience and convenience in using the electronic paper backpack.

[0088] Embodiment 3

[0089] refer to Figure 4 , an electronic paper backpack control device applied to a first electronic paper backpack provided in an embodiment of the present application, the first electronic paper backpack includes a first near-field communication component, a flexible ink electronic paper component and a power supply component, and the electronic paper backpack control device applied to the first electronic paper backpack includes: a first near-field communication module 11, a power supply module 12 and an electronic paper module 13.

[0090] Furthermore, in some embodiments of the present application, the first near-field communication module 11 is used to receive a first radio frequency signal sent by a first mobile terminal through the first near-field communication component; the first radio frequency signal is sent by the first mobile terminal through the second near-field communication component; the power supply module 12 is used to store the electric energy generated when the first near-field communication component receives the first radio frequency signal through the power supply component; the electronic paper module 13 is used to provide the electric energy to the flexible ink electronic paper component through the power supply component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal.

[0091] Further, in some embodiments of the present application, the power supply component provides the electrical energy to the flexible ink electronic paper component so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal, including: wherein the first electronic paper backpack also includes a first control chip; the first radio frequency signal is decoded by the first control chip to obtain first projection data; the first projection data is written into the flexible ink electronic paper component by the first control chip, and the flexible ink electronic paper component is controlled to perform a refresh operation to display the first projection data.

[0092] Furthermore, in some embodiments of the present application, before receiving the first radio frequency signal sent by the first mobile terminal through the first near-field communication component, it also includes: responding to a first read instruction by the first mobile terminal for the first product serial number corresponding to the first electronic paper backpack, sending the first product serial number to the first mobile terminal, and establishing encrypted communication with the first mobile terminal.

[0093] Furthermore, in some embodiments of the present application, after receiving the first radio frequency signal sent by the first mobile terminal through the first near-field communication component, it also includes: returning a first response signal to the first mobile terminal through the first near-field communication component; receiving a first refresh instruction issued by the first mobile terminal according to the first response signal through the first near-field communication component; the first refresh instruction is used to control the flexible ink electronic paper component to perform a refresh operation.

[0094] It can be understood that the above-mentioned device embodiment corresponds to the method embodiment of the present invention. An electronic paper backpack control device provided by the embodiment of the present invention can implement any method embodiment of the present invention, that is, the electronic paper backpack control method provided in embodiment one.

[0095] From the above, it can be seen that the electronic paper backpack control device applied to the first electronic paper backpack provided by the embodiment of the present application has the following beneficial effects: by combining the characteristics of wireless magnetic field transmission and induction of the near-field communication component, data communication and power generation can be achieved by using only the near-field communication component, without the need to embed a detachable mobile power component and other communication components at the same time, thereby effectively improving the portability of the electronic paper backpack; in addition, since the flexible ink electronic paper component has the characteristic of still being able to maintain the screen image when the power is off, the entire electronic paper backpack only requires a small amount of electrical energy to perform communication operations and flexible ink electronic paper refresh operations when refreshing the flexible ink electronic paper, thereby effectively reducing the energy consumption of the electronic paper backpack, and combining the components with energy storage function and the functional characteristics of electromagnetic induction to generate current of the near-field communication component, thereby ensuring that the flexible ink electronic paper refresh operation is performed according to the needs of the user at any time.

[0096] Embodiment 4

[0097] refer to Figure 5 , an electronic paper backpack control device applied to a second mobile terminal provided in an embodiment of the present application, the second mobile terminal includes a third near-field communication component, and the electronic paper backpack control device applied to the second mobile terminal includes: a second near-field communication module 14, a device binding module 15, a third near-field communication module 16 and an electronic paper refresh module 17.

[0098] Furthermore, in some embodiments of the present application, the second near-field communication module 14 is used to respond to the user's first device binding instruction, and send a second read instruction to the fourth near-field communication component of the second electronic paper backpack through the third near-field communication component to obtain the second product serial number of the second electronic paper backpack; the device binding module 15 is used to establish encrypted communication with the second electronic paper backpack according to the second product serial number; the third near-field communication module 16 is used to respond to the user's first screen projection instruction, and send a second radio frequency signal to the fourth near-field communication component through the third near-field communication component; the second radio frequency signal is the second screen projection data that has been encoded; the electronic paper refresh module 17 is used to send the second refresh instruction to the fourth near-field communication component through the third near-field communication component when receiving the second response signal returned by the fourth near-field communication component and the second refresh instruction issued by the user.

[0099] It can be understood that the above-mentioned device embodiment corresponds to the method embodiment of the present invention. An electronic paper backpack control device provided by the embodiment of the present invention can implement any method embodiment of the present invention, that is, the electronic paper backpack control method provided in Example 2.

[0100] In summary, it can be seen that the electronic paper backpack control device applied to the second mobile terminal provided by the embodiment of the present application has the following beneficial effects: the second mobile terminal transmits screen projection data with the second electronic paper backpack through NFC, and simultaneously generates a radio magnetic field through NFC, so that the NFC of the second electronic paper backpack senses the radio magnetic field to generate current, thereby realizing the second mobile terminal's power supply to the second electronic paper backpack, ensuring that the electronic paper screen of the second electronic paper backpack is refreshed according to user needs at any time, thereby improving user experience and convenience in using the electronic paper backpack.

[0101] Embodiment 5

[0102] Based on the above-mentioned embodiment of the electronic paper backpack control method, another embodiment of the present application provides an electronic paper backpack control terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor. When the processor executes the computer program, the electronic paper backpack control method of any embodiment of the present application is implemented.

[0103] Exemplarily, in this embodiment, the computer program may be divided into one or more components, which are stored in the memory and executed by the processor to complete the present application. The one or more components may be a series of computer program instruction segments capable of completing specific functions, which are used to describe the execution process of the computer program in the electronic paper backpack control device.

[0104] The electronic paper backpack control device may be a computing device such as a desktop computer, a notebook, a palm computer, a cloud server, etc. The electronic paper backpack control terminal device may include, but is not limited to, a processor and a memory.

[0105] The processor may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc. The processor is the control center of the electronic paper backpack control device, and uses various interfaces and lines to connect the various parts of the entire electronic paper backpack control device. The memory may be used to store the computer program and / or components, and the processor implements various functions of the electronic paper backpack control device by running or executing the computer program and / or components stored in the memory, and calling the data stored in the memory. The memory may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function, etc.; the data storage area may store data created according to the use of the mobile phone, etc. In addition, the memory may include high-speed random access memory and may also include non-volatile memory, such as a hard disk, an internal memory, a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.

[0106] Embodiment 6

[0107] Based on the above-mentioned embodiment of the electronic paper backpack control method, another embodiment of the present application provides a storage medium, wherein the storage medium includes a stored computer program, wherein when the computer program is running, the device where the storage medium is located is controlled to execute the electronic paper backpack control method of any embodiment of the present application.

[0108] In this embodiment, the storage medium is a computer-readable storage medium, and the computer program includes computer program code, which may be in source code form, object code form, executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, USB flash drive, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electric carrier signal, telecommunication signal and software distribution medium, etc. It should be noted that the content contained in the computer-readable medium may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable media do not include electric carrier signals and telecommunication signals.

[0109] The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present application in detail. It should be understood that the above description is only a specific embodiment of the present application and is not intended to limit the scope of protection of the present application. It is particularly pointed out that for those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An electronic paper backpack control method, applied to a first electronic paper backpack, characterized in that: The first electronic paper backpack includes a first near field communication component, a flexible ink electronic paper component and a power supply component, including: Receiving, through the first near field communication component, a first radio frequency signal sent by a first mobile terminal; the first radio frequency signal is sent by the first mobile terminal through the second near field communication component; storing, by the power supply component, electrical energy generated when the first near field communication component receives the first radio frequency signal; The power supply component provides the electric energy to the flexible ink electronic paper component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal.

2. The electronic paper backpack control method according to claim 1, characterized in that: The power supply component provides the electric energy to the flexible ink electronic paper component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal. include: Wherein, the first electronic paper backpack also includes a first control chip; Decoding the first radio frequency signal by the first control chip to obtain first screen projection data; The first screen projection data is written into the flexible ink electronic paper component through the first control chip, and the flexible ink electronic paper component is controlled to perform a refresh operation to display the first screen projection data.

3. The electronic paper backpack control method according to claim 1, characterized in that: Before receiving the first radio frequency signal sent by the first mobile terminal through the first near field communication component, the method further includes: In response to a first read instruction from the first mobile terminal for a first product serial number corresponding to the first electronic paper backpack, the first product serial number is sent to the first mobile terminal, and encrypted communication with the first mobile terminal is established.

4. The electronic paper backpack control method according to claim 1, characterized in that: After receiving the first radio frequency signal sent by the first mobile terminal through the first near field communication component, the method further includes: Returning a first response signal to the first mobile terminal through the first near field communication component; A first refresh instruction sent by the first mobile terminal according to the first response signal is received through the first near field communication component; the first refresh instruction is used to control the flexible ink electronic paper component to perform a refresh operation.

5. An electronic paper backpack control method, applied to a second mobile terminal, characterized in that: The second mobile terminal includes a third near field communication component, including: In response to the user's first device binding instruction, sending a second read instruction to the fourth near field communication component of the second electronic paper backpack through the third near field communication component to obtain the second product serial number of the second electronic paper backpack; Establishing encrypted communication with the second electronic paper backpack according to the second product serial number; In response to the user's first screen projection instruction, a second radio frequency signal is sent to the fourth near field communication component through the third near field communication component; the second radio frequency signal is the second screen projection data that has been encoded; When the second response signal returned by the fourth near field communication component and the second refresh instruction issued by the user are received, the second refresh instruction is sent to the fourth near field communication component through the third near field communication component.

6. An electronic paper backpack control device, applied to a first electronic paper backpack, characterized in that: The first electronic paper backpack includes a first near field communication component, a flexible ink electronic paper component and a power supply component, including: a first near field communication module, a power supply module and an electronic paper module; The first near field communication module is used to receive a first radio frequency signal sent by a first mobile terminal through the first near field communication component; the first radio frequency signal is sent by the first mobile terminal through the second near field communication component; The power module is used to store the electric energy generated when the first near field communication component receives the first radio frequency signal through the power component; The electronic paper module is used to provide the electric energy to the flexible ink electronic paper component through the power supply component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal.

7. The electronic paper backpack control device according to claim 6, characterized in that: The power supply component provides the electric energy to the flexible ink electronic paper component, so that the flexible ink electronic paper component performs a refresh operation according to the first radio frequency signal. include: Wherein, the first electronic paper backpack also includes a first control chip; Decoding the first radio frequency signal by the first control chip to obtain first screen projection data; The first screen projection data is written into the flexible ink electronic paper component through the first control chip, and the flexible ink electronic paper component is controlled to perform a refresh operation to display the first screen projection data.

8. The electronic paper backpack control device according to claim 6, characterized in that: Before receiving the first radio frequency signal sent by the first mobile terminal through the first near field communication component, the method further includes: In response to a first read instruction from the first mobile terminal for a first product serial number corresponding to the first electronic paper backpack, the first product serial number is sent to the first mobile terminal, and encrypted communication with the first mobile terminal is established.

9. The electronic paper backpack control device according to claim 6, characterized in that: After receiving the first radio frequency signal sent by the first mobile terminal through the first near field communication component, the method further includes: Returning a first response signal to the first mobile terminal through the first near field communication component; A first refresh instruction sent by the first mobile terminal according to the first response signal is received through the first near field communication component; the first refresh instruction is used to control the flexible ink electronic paper component to perform a refresh operation.

10. An electronic paper backpack control device, applied to a second mobile terminal, characterized in that: The second mobile terminal includes a third near field communication component, including: a second near field communication module, a device binding module, a third near field communication module and an electronic paper refresh module; The second near field communication module is used to respond to the user's first device binding instruction, and send a second read instruction to the fourth near field communication component of the second electronic paper backpack through the third near field communication component to obtain the second product serial number of the second electronic paper backpack; The device binding module is used to establish encrypted communication with the second electronic paper backpack according to the second product serial number; The third near field communication module is used to respond to the user's first screen projection instruction and send a second radio frequency signal to the fourth near field communication component through the third near field communication component; the second radio frequency signal is the second screen projection data that has been encoded; The electronic paper refresh module is configured to send the second refresh instruction to the fourth near field communication component through the third near field communication component upon receiving the second response signal returned by the fourth near field communication component and the second refresh instruction issued by the user.

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