CN219718341U - Remote screen locking and unlocking system - Google Patents
Remote screen locking and unlocking system Download PDFInfo
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- CN219718341U CN219718341U CN202321112979.2U CN202321112979U CN219718341U CN 219718341 U CN219718341 U CN 219718341U CN 202321112979 U CN202321112979 U CN 202321112979U CN 219718341 U CN219718341 U CN 219718341U
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Abstract
The utility model discloses a remote screen locking and unlocking system. The remote screen locking and unlocking system comprises: the display device comprises a video processor and a display screen control card, and the video processor is connected with the display screen control card through a network port; the video processor comprises a 4G module and a WiFi chip which are integrated integrally, and the 4G module is connected with the WiFi chip in a wired communication mode; the server is connected with the 4G module in a wireless communication mode, and the connection between the server and the 4G module is used for transmitting a screen locking instruction and an unlocking instruction. The utility model 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
Technical Field
The utility model relates to the technical field of remote communication, in particular to a remote screen locking and unlocking system.
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 utility model provides a remote screen locking and unlocking system, which is used for solving the problem that the wireless communication control of an outdoor LED display screen in the prior art has distance limitation.
The embodiment of the utility model provides a remote screen locking and unlocking system, which comprises the following components:
the display device comprises a video processor and a display screen control card, and the video processor is connected with the display screen control card through a network port;
the video processor comprises a 4G module and a WiFi chip which are integrated integrally, and the 4G module is connected with the WiFi chip in a wired communication mode;
the server is connected with the 4G module in a wireless communication mode, and the connection between the server and the 4G module is used for transmitting a screen locking instruction and an unlocking instruction.
Further, the 4G module includes: and the SIM card slot is used for placing the SIM card.
Further, the WiFi chip is configured to implement ppp dial-up networking through the 4G module, and establish connection between the WiFi chip and the server;
the WiFi chip is further used for inquiring the state of the 4G module, wherein the state comprises the signal intensity of the SIM card;
the WiFi chip is also used for controlling the restarting of the 4G module.
Further, the model of the WiFi chip is ESP32, and the model of the 4G module is EC200T.
Further, the 4G module EC200T includes: pin main_rxd, pin main_txd, pin reset_n, and pin PWRKEY;
the WiFi chip ESP32 includes: the first pin, the second pin, the third pin and the fourth pin.
Further, the pin main_rxd is electrically connected to the first pin, and the pin main_txd is electrically connected to the second pin, so as to implement data interaction between the 4G module EC200T and the WiFi chip ESP 32;
pin RESET_N is electrically connected with the third pin, pin PWRKEY is electrically connected with the fourth pin, and the WiFi chip ESP32 controls restarting of the 4G module EC200T through the third pin and the fourth pin.
Further, the WiFi chip ESP32 further includes: resistor R776, resistor R770, resistor R768, resistor R762 and power supply end;
one ends of the resistor R776, the resistor R770, the resistor R768 and the resistor R762 are respectively electrically connected with the first pin, the second pin, the third pin and the fourth pin, 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.
Further, 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 in JSON format.
Further, 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 encrypted.
According to the technical scheme provided by the embodiment of the utility model, 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 utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model, 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 utility model;
fig. 2 is a schematic connection diagram of a 4G module and a WiFi chip according to an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model 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 utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model 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 utility model 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.
Fig. 1 is a schematic structural diagram of a remote screen locking and unlocking system according to an embodiment of the present utility model, 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. The display device comprises 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 port. Specifically, the video processor 11 includes an integrated 4G module 111 and a WiFi chip 112,4G module 111 connected to the WiFi chip 112 by wired communication, the server 20 is connected to the 4G module 111 by wireless communication, and the connection between the server 20 and the 4G module 111 is used for transmitting a screen locking instruction and an 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 in the video processor 11 is configured to implement ppp dial-up internet surfing through the 4G module 111, and establish connection between the WiFi chip 112 and the server 20. The WiFi chip 112 is further configured to query the state of the 4G module 111, and control the restarting 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 utility model, 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 formats. 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 encrypted.
According to the technical scheme provided by the embodiment of the utility model, 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 of distance limitation in the prior wireless technology is solved, and the remote screen locking and unlocking method has the beneficial effects of realizing remote screen locking and unlocking.
The above embodiments do not limit the scope of the present utility model. 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 utility model should be included in the scope of the present utility model.
Claims (9)
1. A remote screen locking and unlocking system, comprising:
the display device comprises a video processor and a display screen control card, and the video processor is connected with the display screen control card through a network port;
the video processor comprises a 4G module and a WiFi chip which are integrated integrally, and the 4G module is connected with the WiFi chip in a wired communication mode;
the server is connected with the 4G module in a wireless communication mode, and the connection between the server and the 4G module is used for transmitting a screen locking instruction and an unlocking instruction.
2. The remote lock screen and unlock system of claim 1, wherein said 4G module comprises: and the SIM card slot is used for placing the SIM card.
3. The remote screen locking and unlocking system according to claim 2, wherein the WiFi chip is configured to implement ppp dial-up networking through the 4G module, and establish connection between the WiFi chip and the server;
the WiFi chip is further used for inquiring the state of the 4G module, wherein the state comprises the signal intensity of the SIM card;
the WiFi chip is also used for controlling the restarting of the 4G module.
4. The remote screen locking and unlocking system according to claim 3, wherein the model of the WiFi chip is ESP32, and the model of the 4G module is EC200T.
5. The remote lock and unlock system according to claim 4, wherein said 4G module EC200T comprises: pin main_rxd, pin main_txd, pin reset_n, and pin PWRKEY;
the WiFi chip ESP32 includes: the first pin, the second pin, the third pin and the fourth pin.
6. The remote screen locking and unlocking system according to claim 5, wherein pin main_rxd is electrically connected to a first pin, pin main_txd is electrically connected to a second pin, and is configured to implement data interaction between the 4G module EC200T and the WiFi chip ESP 32;
pin RESET_N is electrically connected with the third pin, pin PWRKEY is electrically connected with the fourth pin, and the WiFi chip ESP32 controls restarting of the 4G module EC200T through the third pin and the fourth pin.
7. The remote lock screen and unlock system according to claim 5, wherein said WiFi chip ESP32 further comprises: resistor R776, resistor R770, resistor R768, resistor R762 and power supply end;
one ends of the resistor R776, the resistor R770, the resistor R768 and the resistor R762 are respectively electrically connected with the first pin, the second pin, the third pin and the fourth pin, 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.
8. The remote screen locking and unlocking system according to claim 1, wherein 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 in JSON format.
9. The remote lock and unlock system of claim 1, wherein data communicated by said WiFi chip to said 4G module and data communicated by said WiFi chip to said display control card are encrypted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112979.2U CN219718341U (en) | 2023-05-10 | 2023-05-10 | Remote screen locking and unlocking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112979.2U CN219718341U (en) | 2023-05-10 | 2023-05-10 | Remote screen locking and unlocking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219718341U true CN219718341U (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321112979.2U Active CN219718341U (en) | 2023-05-10 | 2023-05-10 | Remote screen locking and unlocking system |
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| Country | Link |
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| CN (1) | CN219718341U (en) |
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2023
- 2023-05-10 CN CN202321112979.2U patent/CN219718341U/en active Active
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