CN116527648A - Remote screen locking and unlocking system and method - Google Patents

Remote screen locking and unlocking system and method Download PDF

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Publication number
CN116527648A
CN116527648A CN202310522962.2A CN202310522962A CN116527648A CN 116527648 A CN116527648 A CN 116527648A CN 202310522962 A CN202310522962 A CN 202310522962A CN 116527648 A CN116527648 A CN 116527648A
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CN
China
Prior art keywords
wifi chip
screen locking
unlocking
remote
server
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310522962.2A
Other languages
Chinese (zh)
Inventor
欧阳其平
柏元利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Huidu Technology Co ltd
Original Assignee
Shenzhen Huidu Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Huidu Technology Co ltd filed Critical Shenzhen Huidu Technology Co ltd
Priority to CN202310522962.2A priority Critical patent/CN116527648A/en
Publication of CN116527648A publication Critical patent/CN116527648A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/305—Authentication, i.e. establishing the identity or authorisation of security principals by remotely controlling device operation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/42—User authentication using separate channels for security data
    • G06F21/43—User authentication using separate channels for security data wireless channels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a remote screen locking and unlocking system and a remote screen locking and unlocking method. The remote screen locking and unlocking system comprises: the display device comprises a display screen control card and a video processor, wherein the video processor is connected with the display screen control card through a network port, the video processor comprises an integrally integrated 4G module and a WiFi chip, the 4G module is connected with the WiFi chip in a wired communication mode, and the 4G module is connected with the server in a wireless communication mode; the WiFi chip is used for realizing ppp dial-up networking through the 4G module and establishing connection between the WiFi chip and the server; the server is used for transmitting the screen locking instruction and the unlocking instruction to the WiFi chip through the 4G module; and the WiFi chip is also used for realizing remote screen locking according to the received screen locking instruction and realizing remote unlocking according to the received unlocking instruction. The invention can solve the problem that the wireless communication control of the outdoor LED display screen in the prior art has distance limitation, and realize remote screen locking and unlocking.

Description

Remote screen locking and unlocking system and method
Technical Field
The invention relates to the technical field of remote communication, in particular to a remote screen locking and unlocking system and a remote screen locking and unlocking method.
Background
Outdoor LED displays have become very popular, and prior art outdoor LED displays typically include a video processor for providing video signals to the LED display, and currently the primary means of communication between external devices and the video processor are WiFi, bluetooth and USB.
However, the communication mode with the video processor is limited by the distance whether it is a wired technology, such as USB, serial port, or a wireless technology, such as WiFi or bluetooth, and the remote control of the LED display screen cannot be really realized.
With the development of wireless communication technology of a video processor and the maturation of a driving software processing technology of an ESP32 chip in 4G, the design of a remote lock screen on the video processor integrated with the ESP32 chip becomes a current front-end technical scheme.
Disclosure of Invention
The invention provides a remote screen locking and unlocking system and a remote screen locking and unlocking method, which are used for solving the problem that the wireless communication control of an outdoor LED display screen in the prior art has distance limitation.
In a first aspect, an embodiment of the present invention provides a remote screen locking and unlocking system, where the remote screen locking and unlocking system includes: the display device comprises a display screen control card and a video processor, wherein the video processor is connected with the display screen control card through a network port, the video processor comprises an integrally integrated 4G module and a WiFi chip, the 4G module is connected with the WiFi chip in a wired communication mode, and the 4G module is connected with the server in a wireless communication mode;
the WiFi chip is used for realizing ppp dial-up networking through the 4G module and establishing connection between the WiFi chip and the server;
the server is used for transmitting a screen locking instruction and an unlocking instruction to the WiFi chip through the 4G module;
the WiFi chip is further used for realizing remote screen locking according to the received screen locking instruction and realizing remote unlocking according to the received unlocking instruction.
Optionally, the WiFi chip is further configured to query a state of the 4G module, and control restarting of the 4G module.
Optionally, establishing connection between the WiFi chip and the server includes:
acquiring a user name through the WiFi chip;
transmitting the user name to an http server, and acquiring an mqtt access address distributed by the http server;
and establishing connection between the WiFi chip and the mqtt server according to the mqtt access address.
Optionally, the remote screen locking and unlocking system further includes: the host computer, the video processor still includes: the video processing chip is connected with the WiFi chip in a wired communication mode and is connected with the upper computer through a USB interface;
obtaining the user name through the WiFi chip comprises the following steps:
the WiFi chip accesses an upper computer through the wired connection of the video processing chip to acquire the user name;
or the WiFi chip establishes wireless communication connection with the upper computer through WiFi, and directly acquires the user name through a WiFi transparent transmission mode.
Optionally, implementing remote screen locking according to the received screen locking instruction includes:
after the connection between the WiFi chip and the server is established, the upper computer sends a screen locking instruction to the server, the server transmits the received screen locking instruction to the WiFi chip through the 4G module, and the WiFi chip receives and executes the screen locking instruction so as to control the display screen control card to realize remote screen locking.
Optionally, the remote unlocking is implemented according to the received unlocking instruction, including:
after the connection between the WiFi chip and the server is established, the upper computer sends an unlocking instruction to the server, the server transmits the received unlocking instruction to the WiFi chip through the 4G module, and the WiFi chip receives and executes the unlocking instruction so as to control the display screen control card to realize remote unlocking.
Optionally, the upper computer is a computer provided with LED full-color display screen debugging software HDset, and the video processing chip is STM32.
Optionally, the model of the WiFi chip is ESP32, and the model of the 4G module is EC200T.
Optionally, the data of the communication between the WiFi chip and the 4G module and the data of the communication between the WiFi chip and the display screen control card are both JSON format and encrypted.
In a second aspect, an embodiment of the present invention provides a remote screen locking and unlocking method, where the remote screen locking and unlocking method is performed by the remote screen locking and unlocking system according to any one of the embodiments of the first aspect;
the remote screen locking and unlocking method comprises the following steps:
establishing connection between the WiFi chip and the server;
transmitting a screen locking instruction and an unlocking instruction to the WiFi chip through the 4G module;
the WiFi chip realizes remote screen locking according to the received screen locking instruction;
and the WiFi chip realizes remote unlocking according to the received unlocking instruction.
According to the technical scheme provided by the embodiment of the invention, the 4G module and the WiFi chip in the video processor can realize remote communication between the video processor and the server, so that the problem that the wireless communication control of the outdoor LED display screen in the prior art is limited in distance is solved, and the remote locking and unlocking effects are realized.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a remote screen locking and unlocking system according to an embodiment of the present invention;
fig. 2 is a schematic connection diagram of a 4G module and a WiFi chip according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another remote screen locking and unlocking system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a manner of establishing connection between a WiFi chip and a server according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of json format according to an embodiment of the present invention;
fig. 6 is a flowchart of a remote screen locking and unlocking method according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a schematic structural diagram of a remote screen locking and unlocking system according to an embodiment of the present invention, and referring to fig. 1, the remote screen locking and unlocking system includes: a display device 10 and a server 20. The display device 10 of the present embodiment may be an outdoor LED display screen. Specifically, the display device includes a video processor 11 and a display screen control card 12, and the video processor 11 is connected with the display screen control card 12 through a network interface, the video processor 11 includes an integrated 4G module 111 and a WiFi chip 112,4G module 111 which are connected with the WiFi chip 112 through a wired communication mode, and the 4G module 111 is connected with the server 20 through a wireless communication mode.
The WiFi chip 112 is used for realizing ppp dial-up internet access through the 4G module 111, establishing connection between the WiFi chip 112 and the server 20, the server 20 is used for transmitting a screen locking instruction and an unlocking instruction to the WiFi chip 112 through the 4G module 111, the WiFi chip 112 is also used for realizing remote screen locking according to the received screen locking instruction, and remote unlocking is realized according to the received unlocking instruction.
On the basis of the above embodiment, the 4G module 111 includes a SIM card slot for placing a SIM card.
Further, the WiFi chip 112 is further configured to query the state of the 4G module 111 and control the restart of the 4G module 111, where the state of the 4G module 111 includes the signal strength of the SIM card.
For example, the model of the WiFi chip 112 is ESP32 and the model of the 4G module 111 is EC200T.
Fig. 2 is a schematic connection diagram of a 4G module and a WiFi chip provided by an embodiment of the present invention, and referring to fig. 2,4G, a module EC200T includes: pin main_rxd, pin main_txd, pin reset_n, and pin PWRKEY, wiFi chip ESP32 includes: a first pin GPIO19, a second pin GPIO20, a third pin GPIO35 and a fourth pin GPIO36. Specifically, the pin main_rxd is electrically connected to the first pin GPIO19, and the pin main_txd is electrically connected to the second pin GPIO20, so as to implement data interaction between the 4G module EC200T and the WiFi chip ESP 32. The pin reset_n is electrically connected to the third pin GPIO35, the pin PWRKEY is electrically connected to the fourth pin GPIO36, and the WiFi chip ESP32 may control the restart of the 4G module EC200T through the third pin GPIO35 and the fourth pin GPIO36.
With continued reference to fig. 2, the wifi chip ESP32 further includes: resistor R776, resistor R770, resistor R768, resistor R762, and power supply terminal VDD33. One ends of the resistor R776, the resistor R770, the resistor R768 and the resistor R762 are respectively electrically connected with the first pin GPIO19, the second pin GPIO20, the third pin GPIO35 and the fourth pin GPIO36, and the other ends of the resistor R776, the resistor R770, the resistor R768 and the resistor R762 are electrically connected with the power supply end VDD33.
It should be noted that, the data of the communication between the WiFi chip 112 and the 4G module 111 and the data of the communication between the WiFi chip 112 and the display screen control card 12 are both JSON format and encrypted.
According to the technical scheme, the remote communication between the video processor and the server can be realized through the 4G module and the WiFi chip in the video processor, the problem that the wireless communication control of the outdoor LED display screen in the prior art is limited in distance is solved, the remote locking and unlocking effects are achieved, and the real-time query and monitoring of the data of each video processor can be realized by adopting a mechanism for communicating with the server.
Example two
On the basis of the foregoing embodiment, fig. 3 is a schematic structural diagram of another remote screen locking and unlocking system according to an embodiment of the present invention, and referring to fig. 3, the remote screen locking and unlocking system further includes: the host computer 30, the video processor further includes: the video processing chip 113, the video processing chip 113 is connected with the WiFi chip 112 through a wired communication mode, the video processing chip 113 is connected with the upper computer 30 through a USB interface, and the video processor 11 is connected with the display screen control card 12 through a network interface.
Fig. 4 is a schematic diagram of a manner of establishing connection between a WiFi chip and a server according to an embodiment of the present invention, and referring to fig. 4, establishing connection between a WiFi chip 112 and a server 20 includes: the user name is acquired through the WiFi chip 112, the user name is transmitted to the http server, the mqtt access address distributed by the http server is acquired, and the connection between the WiFi chip 112 and the mqtt server is established according to the mqtt access address.
Illustratively, obtaining the user name through the WiFi chip 112 includes: the WiFi chip 112 accesses the upper computer 30 through the wired connection of the video processing chip 113 to acquire the user name, or the WiFi chip 112 establishes wireless communication connection with the upper computer 30 through WiFi, and directly acquires the user name through WiFi transparent transmission.
Exemplary, implementing remote screen locking according to the received screen locking instruction includes: after the connection between the WiFi chip 112 and the server 20 is established, the upper computer 30 sends a screen locking instruction to the server 20, the server 20 transmits the received screen locking instruction to the WiFi chip 112 through the 4G module 111, and the WiFi chip 112 receives and executes the screen locking instruction, so that the display screen control card 12 is controlled to realize remote screen locking on an outdoor LED display screen, and the rights and interests of a manufacturer can be effectively protected.
Exemplary, implementing remote unlocking according to the received unlocking instruction includes: after the connection between the WiFi chip 112 and the server 20 is established, the upper computer 30 sends an unlocking instruction to the server, the server 20 transmits the received unlocking instruction to the WiFi chip 112 through the 4G module 111, the WiFi chip 112 receives and executes the unlocking instruction, and then the display screen control card 12 is controlled to realize remote unlocking of an outdoor LED display screen, so that the consumer can be ensured to rapidly use or experience a video processor product, and the method has great significance in practical value.
Illustratively, the upper computer 30 is a computer with LED full-color display screen debugging software HDSet installed, and the video processing chip 113 is an STM32.
It should be noted that, the STM32 is not a receiving card control chip, and the STM32 is only responsible for transferring the data transparently transferred by the WiFi chip ESP32 to a receiving card or a sending card.
It should be noted that, the data of the communication between the WiFi chip 112 and the 4G module 111 and the data of the communication between the WiFi chip 112 and the display screen control card 12 are both JSON format and encrypted.
Fig. 5 is a schematic diagram of json format provided in an embodiment of the present invention, and referring to fig. 5, in which a portion of "xxxxxxxxxxxxxxxxx" is valid data, screen parameters have 500 bytes or more, and encrypted transmission is adopted. It should be noted that, the embodiment of the present invention does not limit the json protocol content, and the filling content should be determined by actual requirements.
The embodiment of the invention can realize the account forcing function through remote screen locking and screen capturing, and can effectively protect the rights and interests of practical manufacturers. Meanwhile, as the data communicated with the server is encrypted, the embodiment of the invention can effectively protect the rights and interests of users. The remote screen locking and unlocking system provided by the embodiment of the invention not only can be applied to screen locking and unlocking, but also can be applied to other newly added service functions by a flexible 4G communication mechanism, so that products such as video processors have great development potential in terms of use functions and services.
According to the technical scheme, the remote communication between the video processor and the server can be realized through the 4G module and the WiFi chip in the video processor, the problem that the wireless communication control of the outdoor LED display screen in the prior art is limited in distance is solved, the remote locking and unlocking effects are achieved, and the real-time query and monitoring of the data of each video processor can be realized by adopting a mechanism for communicating with the server.
Example III
The embodiment of the invention provides a remote screen locking and unlocking method, which is executed by the remote screen locking and unlocking system provided by any embodiment. Fig. 6 is a flowchart of a remote screen locking and unlocking method provided by an embodiment of the present invention, and referring to fig. 6, the remote screen locking and unlocking method provided by the embodiment of the present invention includes:
s110, connection between the WiFi chip and the server is established.
Illustratively, establishing the connection of the WiFi chip 112 with the server 20 includes: the user name is acquired through the WiFi chip 112, the user name is transmitted to the http server, the mqtt access address distributed by the http server is acquired, and the connection between the WiFi chip 112 and the mqtt server is established according to the mqtt access address.
Further, the remote screen locking and unlocking system further comprises: the upper computer 30, the video processor 11 further comprises a video processing chip 113, wherein the video processing chip 113 is connected with the WiFi chip 112 in a wired communication mode, and the video processing chip 112 is connected with the upper computer 30 through a USB interface. Obtaining the user name through the WiFi chip 112 includes: the WiFi chip 112 accesses the upper computer 30 through the wired connection of the video processing chip 113 to acquire the user name, or the WiFi chip 112 establishes wireless communication connection with the upper computer 30 through WiFi, and directly acquires the user name through WiFi transparent transmission.
S120, the server transmits a screen locking instruction and an unlocking instruction to the WiFi chip through the 4G module.
For example, the server 20 may generate a corresponding instruction according to the stored data about the display device 10, and transmit the instruction to the 4G module 111,4G module 111 in the corresponding display device 10, and then transmit the received instruction to the WiFi chip 112 connected to the 4G module 111, where the data about the display device 10 stored by the server 20 includes: the instructions that the server 20 generates from its stored data about the display device 10 include: a screen locking instruction, an unlocking instruction and the like.
In another embodiment, the server 20 is configured to receive an instruction sent by the host computer 30, and transmit the received instruction to the WiFi chip 112 through the 4G module 111, specifically, a worker decides a type of the transmitted instruction according to an actual situation (whether to expire, whether to replace the display, etc.) of the display device 10, then sends a corresponding instruction to the server 20 through the host computer 30, the server 20 receives the instruction, sends the instruction to the 4G module 111,4G module 111 in the corresponding display device 10 according to an ID of the display device included in the received instruction, and then transmits the received instruction to the WiFi chip 112 connected to the 4G module 111, where the host computer 30 may be a mobile engineering machine with a network port, such as a computer, and the host computer 30 may be configured to establish communication with the server 20 through a network cable, and may directly send the instruction to the server 20, so that the worker may control the state of the display device 10 without reaching the location of the display device 10, to implement remote screen locking and unlocking and display content replacing, and the instruction sent by the host computer 20 may be a screen locking instruction or an unlocking instruction or a display content replacing instruction.
S130, the WiFi chip realizes remote screen locking according to the received screen locking instruction.
Illustratively, the WiFi chip 112 implements remote screen locking according to the received screen locking instruction, including: after the connection between the WiFi chip 112 and the server 20 is established, the upper computer 30 sends a screen locking instruction to the server 20, the server 20 transmits the received screen locking instruction to the WiFi chip 112 through the 4G module 111, and the WiFi chip 112 receives and executes the screen locking instruction, so as to control the display screen control card 12 to realize remote screen locking.
And S140, the WiFi chip realizes remote unlocking according to the received unlocking instruction.
For example, the WiFi chip 112 implements remote unlocking according to the received unlocking instruction, including: after the connection between the WiFi chip 112 and the server 20 is established, the upper computer 30 sends an unlocking instruction to the server, the server 20 transmits the received unlocking instruction to the WiFi chip 112 through the 4G module 111, and the WiFi chip 112 receives and executes the unlocking instruction, so as to control the display screen control card 12 to realize remote unlocking.
The execution steps of S130 and S140 are not limited, and may be set as needed in practical applications.
According to the technical scheme, the remote communication between the video processor and the server can be realized through the 4G module and the WiFi chip in the video processor, the problem that the wireless communication control of the outdoor LED display screen in the prior art is limited in distance is solved, the remote locking and unlocking effects are achieved, and the real-time query and monitoring of the data of each video processor can be realized by adopting a mechanism for communicating with the server.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (10)

1. A remote screen locking and unlocking system, comprising: the display device comprises a display screen control card and a video processor, wherein the video processor is connected with the display screen control card through a network port, the video processor comprises an integrally integrated 4G module and a WiFi chip, the 4G module is connected with the WiFi chip in a wired communication mode, and the 4G module is connected with the server in a wireless communication mode;
the WiFi chip is used for realizing ppp dial-up networking through the 4G module and establishing connection between the WiFi chip and the server;
the server is used for transmitting a screen locking instruction and an unlocking instruction to the WiFi chip through the 4G module;
the WiFi chip is further used for realizing remote screen locking according to the received screen locking instruction and realizing remote unlocking according to the received unlocking instruction.
2. The remote lock screen and unlock system according to claim 1, wherein said WiFi chip is further configured to query a status of said 4G module and control a restart of said 4G module.
3. The remote lock screen and unlock system of claim 1, wherein establishing a connection of said WiFi chip to said server comprises:
acquiring a user name through the WiFi chip;
transmitting the user name to an http server, and acquiring an mqtt access address distributed by the http server;
and establishing connection between the WiFi chip and the mqtt server according to the mqtt access address.
4. The remote lock screen and unlock system of claim 3, further comprising: the host computer, the video processor still includes: the video processing chip is connected with the WiFi chip in a wired communication mode and is connected with the upper computer through a USB interface;
obtaining the user name through the WiFi chip comprises the following steps:
the WiFi chip accesses an upper computer through the wired connection of the video processing chip to acquire the user name;
or the WiFi chip establishes wireless communication connection with the upper computer through WiFi, and directly acquires the user name through a WiFi transparent transmission mode.
5. The remote screen locking and unlocking system according to claim 4, wherein the remote screen locking is implemented according to the received screen locking instruction, comprising:
after the connection between the WiFi chip and the server is established, the upper computer sends a screen locking instruction to the server, the server transmits the received screen locking instruction to the WiFi chip through the 4G module, and the WiFi chip receives and executes the screen locking instruction so as to control the display screen control card to realize remote screen locking.
6. The remote lock screen and unlock system according to claim 4, wherein said remote unlock is performed according to said received unlock command, comprising:
after the connection between the WiFi chip and the server is established, the upper computer sends an unlocking instruction to the server, the server transmits the received unlocking instruction to the WiFi chip through the 4G module, and the WiFi chip receives and executes the unlocking instruction so as to control the display screen control card to realize remote unlocking.
7. The remote screen locking and unlocking system according to claim 4, wherein the upper computer is a computer provided with LED full-color display screen debugging software HDset, and the video processing chip is STM32.
8. The remote screen locking and unlocking system according to claim 1, wherein the model of the WiFi chip is ESP32 and the model of the 4G module is EC200T.
9. The remote screen locking and unlocking system according to claim 1, wherein data of the communication between the WiFi chip and the 4G module and data of the communication between the WiFi chip and the display screen control card are both in JSON format and encrypted.
10. A method of remote screen locking and unlocking, performed by a remote screen locking and unlocking system according to any one of claims 1 to 9;
the remote screen locking and unlocking method comprises the following steps:
establishing connection between the WiFi chip and the server;
the server transmits a screen locking instruction and an unlocking instruction to the WiFi chip through the 4G module;
the WiFi chip realizes remote screen locking according to the received screen locking instruction;
and the WiFi chip realizes remote unlocking according to the received unlocking instruction.
CN202310522962.2A 2023-05-10 2023-05-10 Remote screen locking and unlocking system and method Pending CN116527648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310522962.2A CN116527648A (en) 2023-05-10 2023-05-10 Remote screen locking and unlocking system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310522962.2A CN116527648A (en) 2023-05-10 2023-05-10 Remote screen locking and unlocking system and method

Publications (1)

Publication Number Publication Date
CN116527648A true CN116527648A (en) 2023-08-01

Family

ID=87397411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310522962.2A Pending CN116527648A (en) 2023-05-10 2023-05-10 Remote screen locking and unlocking system and method

Country Status (1)

Country Link
CN (1) CN116527648A (en)

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