CN213635314U - Display device with wireless communication - Google Patents
Display device with wireless communication Download PDFInfo
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- CN213635314U CN213635314U CN202023350566.7U CN202023350566U CN213635314U CN 213635314 U CN213635314 U CN 213635314U CN 202023350566 U CN202023350566 U CN 202023350566U CN 213635314 U CN213635314 U CN 213635314U
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Abstract
The present application provides a display device with wireless communication, the display device includes: the device comprises a serial port screen main chip, a serial port conversion module, a power supply module, a wireless communication module and a liquid crystal screen; the serial port screen main chip, the serial port conversion module, the wireless communication module and the liquid crystal screen are respectively connected with the power supply module; the serial port conversion module, the wireless communication module and the liquid crystal screen are respectively connected with the serial port screen main chip; the wireless communication module comprises a communication module and a communication antenna, the communication module is connected with the serial port screen main chip, and the communication module is connected with the communication antenna. The module that this application will have the mobile cellular network function adds the serial ports screen in for the serial ports screen can easily realize the connection of mobile cellular network, and convenient to use need not arrange through the complicacy of net twine simultaneously and can realize the network function with the serial ports screen, has reduced network use cost, is favorable to carrying out secondary development.
Description
Technical Field
The application relates to the technical field of display equipment, in particular to a display device with wireless communication.
Background
At present, in the prior art, a serial port screen does not have the function of mobile cellular networking, and the networking needs to be externally connected with other equipment or other technologies such as wired Ethernet and WiFi are used. The networking modes are complex in technology and structure, and much inconvenience is brought to secondary development and installation. For example, the installation is inconvenient, the ethernet equipment needs to be provided with network cables during the installation, and the WiFi equipment also needs to be provided with a router during the installation; technically, the Ethernet and WiFi access to the internet requires a user to set network configuration, and when the system is installed in a remote area, the Ethernet and WiFi cannot exist, and generally only wireless network signals exist.
In order to make the use of the serial port screen more extensive and practical, a serial port screen capable of realizing a mobile networking function is needed, which not only avoids inconvenience of secondary development, but also saves expensive network charges and installation charges of the Ethernet.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the present application is to provide a display device with wireless communication. The module that this application will have the mobile cellular network function adds the serial ports screen in for the serial ports screen can easily realize the connection of mobile cellular network, and convenient to use need not arrange through the complicacy of net twine simultaneously and can realize the network function with the serial ports screen, has reduced network use cost, is favorable to carrying out secondary development.
In a first aspect, an embodiment of the present application provides a display device with wireless communication, including: the device comprises a serial port screen main chip, a serial port conversion module, a power supply module, a wireless communication module and a liquid crystal screen; the serial port screen main chip, the serial port conversion module, the wireless communication module and the liquid crystal screen are respectively connected with the power supply module; the serial port conversion module, the wireless communication module and the liquid crystal screen are respectively connected with the serial port screen main chip; the wireless communication module comprises a communication module and a communication antenna, the communication module is connected with the serial port screen main chip, and the communication module is connected with the communication antenna.
In the implementation process, the serial port conversion module and the wireless communication module are respectively connected with the serial port screen main chip, the wireless communication module is added on the original basis of the serial port screen, the connection of the mobile cellular network can be easily realized, and the wireless communication module comprises the communication module and the communication antenna and can be connected with different mobile cellular networks as required.
Further, the communication module comprises one of a 3G module, a 4G module and a 5G module, and is connected with the communication antenna through an SMA interface.
In the implementation process, the communication module can be connected with a 3G, 4G or 5G mobile cellular network and is connected with the communication antenna through the SMA interface to realize the network communication function.
Further, the communication module also comprises a SIM card module.
In the implementation process, the SIM card module can provide a carrier for implementing a mobile cellular network, and the SIM card can be conveniently installed.
Further, the serial port conversion module comprises a TTL/RS232 serial port, one end of the TTL/RS232 serial port is connected with the power supply module, and the other end of the TTL/RS232 serial port is connected with the serial port screen main chip.
In the implementation process, one end of the serial port conversion module is connected with the power supply module outside the serial port screen, and the other end of the serial port conversion module is connected with the main chip of the serial port screen, so that the function of connecting the serial port screen with an external power supply is realized, and power is supplied to the serial port screen.
Further, the apparatus further comprises: the device comprises a touch pad, a TF module and audio equipment, wherein the touch pad, the TF module and the audio equipment are respectively connected with the serial port screen main chip.
Further, the serial port screen main chip is an ARM chip.
Further, the serial port screen main chip is connected with a Pin12-Pin32 interface of the liquid crystal screen.
Furthermore, the liquid crystal screen is a 7.0-inch TFT color liquid crystal screen.
Further, an SDIO interface of the serial port screen main chip is connected with the TF module.
Further, the serial port screen main chip is connected with the analog IIC interface of the touch pad.
In the implementation process, the liquid crystal screen, the touch pad, the TF module and the audio device are respectively connected with the serial port screen main chip through different interfaces, the serial port screen main chip is connected with the Pin12-Pin32 interfaces of the liquid crystal screen, the serial port screen main chip is connected with the Pin12-Pin32 interfaces of the liquid crystal screen, and the serial port screen main chip is connected with the simulated IIC interface of the touch pad.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural composition diagram of a display device with wireless communication according to an embodiment of the present disclosure;
fig. 2 is a circuit diagram of a USB download firmware according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
In the prior art, the serial port screen does not have the function of mobile cellular networking, the networking needs to be externally connected with other equipment, or other technologies such as wired Ethernet and WiFi are used, meanwhile, lines need to be arranged, network configuration needs to be carried out, and the use is very inconvenient.
In view of the above problems in the prior art, the present application provides a display device with wireless communication, which adds a mobile network communication function without changing the functions of the original device, thereby overcoming the defect that the original device can only be connected to a wireless network, and realizing that the mobile network can be used anywhere, which is convenient and fast.
Example one
An embodiment of the present application provides a display device with wireless communication, as shown in fig. 1, the display device includes: the device comprises a serial port screen main chip 1, a serial port conversion module 2, a power supply module 3, a wireless communication module 4 and a liquid crystal screen 5; the serial port screen main chip 1, the serial port conversion module 2, the wireless communication module 4 and the liquid crystal screen 5 are respectively connected with the power module 3; the serial port conversion module 2, the wireless communication module 4 and the liquid crystal screen 5 are respectively connected with the serial port screen main chip 1; the wireless communication module 4 comprises a communication module 40 and a communication antenna 41, wherein the communication module 40 is connected with the serial port screen main chip 1, and the communication module 40 is connected with the communication antenna 41.
The communication module 40 is one of a 3G module, a 4G module and a 5G module, and the communication module 40 is connected with the communication antenna 41 through an SMA interface. The communication module 40 also includes a SIM card module.
Illustratively, the 4G module adopted in the embodiment of the present application is configured to support 4G network connection, the specification of the communication card supported by the 4G module is a MICRO-SIM card, and the antenna interface is SMA. The serial port of the 4G module is a 1.8V voltage domain, the serial port screen main chip 1 controls the 4G module to be started and reset hardware by using IO, the pin is pulled down to the I position in a switching state, the 4G module is started at the moment, if the reset is wanted, the reset switch is pulled down for more than 1s, namely the IC _ reset switch is pulled up for 1s, and the reset is successful.
Since the serial port of the wireless communication module 4 requires a voltage domain of 1.8V and the main chip requires a voltage domain of 3.3V, the serial port communication between them requires voltage conversion.
This application mainly comprises serial ports screen main chip, serial ports conversion module, power module, several parts of wireless communication module, in addition, has still increased touch pad, TF module and audio equipment, has integrated the display control device who sees, listens, writes, communicates as an organic whole, increases and uses enjoyment, convenient operation.
The serial port conversion module 2 comprises a TTL/RS232 serial port, one end of the TTL/RS232 serial port is connected with the power supply module 3, and the other end of the TTL/RS232 serial port is connected with the serial port screen main chip 1.
The liquid crystal display is provided with three serial ports, the serial port screen main chip 1 uses an ARM chip, and a 24M passive crystal oscillator is used; communicating with a capacitive screen and a clock chip by using an analog IIC interface; and communicating with the TF module by using the SDIO interface.
This device still includes: the device comprises a touch pad, a TF module and audio equipment, wherein the touch pad, the TF module and the audio equipment are respectively connected with a serial port screen main chip 1. The liquid crystal display is controlled through RGB565, and SPI FLAH are used for communication. One serial port is a debugging serial port, one serial port is a communication serial port with the communication module 40, and the other serial port is an external serial port of the serial port screen.
The panel 5 may be a 7.0 inch TFT color panel that is lit in a row-driven RGB mode, with Pin12-Pin32 being the RGB input interface in the format RGB 565. The CLK inputs dot clock signals for RGB interface operation.
The backlight driving voltage SY7200A, the backlight driving voltage of the liquid crystal screen 5 is provided by SY7200A, a VCC3V6 interface is connected with the liquid crystal screen 5 to provide backlight driving for the liquid crystal screen 5, LED _ Positive and LED _ Negative are LED light sources, and after the liquid crystal screen 5 is connected, the LED light sources can emit backlight. There are two types of touches, namely capacitive touch and resistive touch.
As shown in fig. 2, the USB download port of the 4G module is connected to a patch panel, so that the firmware can be downloaded. The debugging serial port of the 4G module is led out and needs to be connected by using a patch panel, so that debugging information and the like can be acquired.
The playing sound reads music data from the storage area through the audio equipment chip, a single sound channel digital signal is transmitted to the audio chip through the PCM, the serial port screen main chip 1 analyzes and decodes the signal, the audio chip performs digital-to-analog conversion and power amplification, and finally the loudspeaker plays the music. In the process of playing sound, an independent decoding chip is not needed, the serial port screen main chip 1 uses a part of resources to decode, efficiency maximization can be achieved, and cost is reduced.
The audio equipment chip can convert digital audio signals into analog audio signals and can perform power amplifier processing, the audio equipment chip is provided with a control port and a signal input port, and the converted audio signals are output from two output ports, namely SPK _ VOP and SPK _ VON.
The method has the advantages that the serial port screen can be connected with the 4G network, the use is very convenient, and the 4G module can be automatically connected with the network after the SIM card is inserted; the installation is convenient, and the antenna can be used only by being installed; the SIM card is easy to pull out and insert and easy to replace; integrating a 4G module into a serial port screen; the serial port screen can be connected to a mobile network.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A display device with wireless communication, the display device comprising: the device comprises a serial port screen main chip, a serial port conversion module, a power supply module, a wireless communication module and a liquid crystal screen; wherein the content of the first and second substances,
the serial port screen main chip, the serial port conversion module, the wireless communication module and the liquid crystal screen are respectively connected with the power supply module;
the serial port conversion module, the wireless communication module and the liquid crystal screen are respectively connected with the serial port screen main chip;
the wireless communication module comprises a communication module and a communication antenna, the communication module is connected with the serial port screen main chip, and the communication module is connected with the communication antenna.
2. The display device with wireless communication of claim 1, wherein the communication module is one of a 3G module, a 4G module and a 5G module, and the communication module is connected with the communication antenna through an SMA interface.
3. The display device with wireless communication of claim 2, wherein the communication module further comprises a SIM card module.
4. The display device with wireless communication of claim 1, wherein the serial port conversion module comprises a TTL/RS232 serial port, one end of the TTL/RS232 serial port is connected to the power module, and the other end is connected to the serial port screen main chip.
5. The display device with wireless communication according to any one of claims 1 to 4, wherein the device further comprises: the device comprises a touch pad, a TF module and audio equipment, wherein the touch pad, the TF module and the audio equipment are respectively connected with the serial port screen main chip.
6. The display device with wireless communication of claim 5, wherein the serial port screen main chip is an ARM chip.
7. The display device with wireless communication function according to claim 5, wherein the serial port main chip is connected with a Pin12-Pin32 interface of the liquid crystal screen.
8. The display device with wireless communication of claim 7, wherein the liquid crystal screen is a 7.0 inch TFT color liquid crystal screen.
9. The display device with wireless communication of claim 5, wherein the SDIO interface of the serial screen main chip is connected with the TF module.
10. The display device with wireless communication of claim 5, wherein the serial port screen main chip is connected with the analog IIC interface of the touch pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350566.7U CN213635314U (en) | 2020-12-31 | 2020-12-31 | Display device with wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350566.7U CN213635314U (en) | 2020-12-31 | 2020-12-31 | Display device with wireless communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213635314U true CN213635314U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023350566.7U Active CN213635314U (en) | 2020-12-31 | 2020-12-31 | Display device with wireless communication |
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|---|---|
| CN (1) | CN213635314U (en) |
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