Serial communication display module with wireless internet access function

Abstract

The utility model relates to a serial communication display module with a wireless internet access function. The serial communication display module with the wireless internet access function comprises a main control chip, a wireless module and a power supply module, the wireless module comprises a WIFI chip, and the WIFI chip is electrically connected with the main control chip; the power supply module comprises a power supply unit and a voltage reduction unit, the power supply unit is electrically connected with the voltage reduction unit and the main control chip, and the voltage reduction unit is electrically connected with the WIFI chip. According to the scheme provided by the invention, the UI interface of the intelligent equipment can be upgraded without adopting a wired serial port.

Description

Technical Field

[0001] The utility model relates to the technical field of circuits, in particular to a serial communication display module with a wireless Internet access function. Background Art

[0002] At present, traditional serial display modules receive serial port commands through wired serial ports. However, in related technologies, in some smart home fields, when smart devices need to upgrade their UI interfaces, they need to disassemble the entire device, plug the wiring harness into the serial port, and finally transmit the data through the terminal for upgrading, which is a very cumbersome process. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a serial communication display module with a wireless Internet access function, which can upgrade the UI interface of a smart device without using a wired serial port.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] The first aspect of the present application provides a serial communication display module with wireless Internet access function, comprising: a main control chip; a wireless module, the wireless module comprising a WIFI chip, the WIFI chip being electrically connected to the main control chip; a power supply module, the power supply module comprising a power supply unit and a step-down unit, the power supply unit being electrically connected to the step-down unit and the main control chip respectively, and the step-down unit being electrically connected to the WIFI chip.

[0006] The buck unit includes a first connector, a buck chip U4 and a capacitor C17, the first connector is electrically connected to the buck chip U4, a first end of the capacitor C17 is electrically connected to the buck chip U4, a first end of the capacitor C17 is also electrically connected to the WIFI chip, and a second end of the capacitor C17 is grounded.

[0007] The power supply unit includes a second connector, the second connector is used to be electrically connected to an external power source, and the first connector is electrically connected to the second connector.

[0008] It also includes a crystal oscillator unit, which is electrically connected to the main control chip.

[0009] It also includes a display screen interface module, which is electrically connected to the main control chip.

[0010] It also includes a card slot module, which is electrically connected to the main control chip.

[0011] It also includes a serial port debugging module, which includes a chip U12 and a capacitor C59. The chip U12 is electrically connected to the main control chip, a first end of the capacitor C59 is electrically connected to the chip U12, and a second end of the capacitor C59 is grounded.

[0012] The serial port debugging module further includes a chip U13, and the chip U13 is electrically connected to the main control chip.

[0013] It also includes a serial port module, which is electrically connected to the main control chip.

[0014] It also includes a backlight module, which is electrically connected to the display screen interface module.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] This application adds a wireless module while retaining the original serial port function. When the smart device upgrades its UI interface, the upgrade data packet is directly sent to the wireless module, which then stores the data packet locally. After communicating with the main control chip, the main control chip controls the replacement of the original data packet to complete the upgrade. The process is very simple and there is no need to disassemble the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0018] Figure 1 This is a functional module diagram of a serial communication display module with wireless Internet access function in one embodiment of the utility model;

[0019] Figure 2 This is a circuit diagram of a main control chip in one embodiment of the utility model;

[0020] Figure 3 is a circuit diagram of a wireless module in one embodiment of the utility model;

[0021] Figure 4 is a circuit diagram of a voltage reduction unit in an embodiment of the utility model;

[0022] Figure 5 is a circuit diagram of a power supply unit in an embodiment of the utility model;

[0023] Figure 6 A circuit diagram of a crystal oscillator unit in an embodiment of the utility model;

[0024] Figure 7 A circuit diagram of a display screen interface module in one embodiment of the utility model;

[0025] Figure 8 This is a circuit diagram of a card slot module in one embodiment of the utility model;

[0026] Fig. 9 A circuit diagram of a serial port module in an embodiment of the utility model;

[0027] Fig.10 A circuit diagram of a serial port debugging module in an embodiment of the utility model;

[0028] Fig.11 FIG. 4 is a circuit diagram of a backlight module in an embodiment of the present invention. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0030] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0031] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In some smart home fields, when a smart device needs to upgrade its UI interface, it is necessary to disassemble the entire device, plug the wiring harness into the serial port, and finally transmit the data through the terminal for the upgrade. This process is very cumbersome.

[0033] In view of the above problems, an embodiment of the present application provides a serial communication display module with a wireless Internet access function, which can upgrade the UI interface of a smart device without using a wired serial port.

[0034] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0035] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A serial communication display module with wireless Internet access function includes: a main control chip 100, a wireless module 200 and a power module 300, the wireless module 200 includes a WIFI chip, and the WIFI chip is electrically connected to the main control chip; the power module 300 includes a power supply unit and a step-down unit, the power supply unit is electrically connected to the step-down unit and the main control chip 100 respectively, and the step-down unit is electrically connected to the WIFI chip.

[0036] It should be noted that the main control chip 100 is Figure 2 The U1 in the figure is U7, the WIF chip is U7, the main control chip 100 communicates with the WIF chip, and the power module is used for power supply. Furthermore, the present application adds a wireless module while retaining the original serial port function, and then when the smart device is upgrading the UI interface, the upgrade data packet is directly sent to the wireless module, and then the wireless module stores the data packet locally, and after communicating with the main control chip, the main control chip controls the replacement of the original data packet to complete the upgrade. The process is very simple and there is no need to disassemble the entire device.

[0037] See also Figure 4 In one embodiment, the step-down unit includes a first connector, a step-down chip U4 and a capacitor C17, the first connector is electrically connected to the step-down chip U4, the first end of the capacitor C17 is electrically connected to the step-down chip U4, the first end of the capacitor C17 is also electrically connected to the WIFI chip, and the second end of the capacitor C17 is grounded. Specifically, the power supply unit includes a second connector, the second connector is used to be electrically connected to an external power supply, and the first connector is electrically connected to the second connector.

[0038] It should be noted that capacitor C17 is a filter capacitor, and the step-down chip U4 is used to convert the voltage into 3.3V to supply power to the WIFI chip.

[0039] See also Figure 6 In one embodiment, the serial communication display module with wireless Internet access function further includes a crystal oscillator unit, which is electrically connected to the main control chip.

[0040] It should be noted that the crystal oscillator unit is used to generate a stable and accurate clock signal to ensure that the signal can be synchronized.

[0041] See also Figure 7In one embodiment, the serial communication display module with wireless Internet access function also includes a display screen interface module, and the display screen interface module is electrically connected to the main control chip.

[0042] It should be noted that the display screen interface module is connected to the display screen.

[0043] See also Figure 8 In one embodiment, the display screen interface module and the serial communication display module with wireless Internet access function also include a card slot module, and the card slot module is electrically connected to the main control chip.

[0044] It should be noted that the card slot module is provided with multiple card slots for inserting TF cards to facilitate subsequent debugging or firmware upgrades.

[0045] See also Fig. 9 and Fig.10 In one embodiment, the serial communication display module with wireless Internet access function further includes a serial debugging module, which includes a chip U12 and a capacitor C59, wherein the chip U12 is electrically connected to the main control chip, the first end of the capacitor C59 is electrically connected to the chip U12, and the second end of the capacitor C59 is grounded. Specifically, the serial debugging module further includes a chip U13, which is electrically connected to the main control chip. Specifically, it also includes a serial port module, which is electrically connected to the main control chip.

[0046] It should be noted that capacitor C59 is a filter capacitor, and the serial port debugging module is used to debug the serial port module. At the same time, the serial port module of the present application still has the original function, and the user can transmit the display information of the smart device to the terminal used by the user by connecting the serial port.

[0047] See also Fig.11 In one embodiment, the serial communication display module with wireless Internet access function also includes a backlight module, and the backlight module is electrically connected to the display interface module.

[0048] It should be noted that the backlight module is used to provide backlight for the display screen.

[0049] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application can be adjusted in order, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0050] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A serial communication display module with wireless Internet access function, characterized in that: include: Main control chip; A wireless module, wherein the wireless module comprises a WIFI chip, and the WIFI chip is electrically connected to the main control chip; A power supply module, the power supply module comprises a power supply unit and a step-down unit, the power supply unit is electrically connected to the step-down unit and the main control chip respectively, and the step-down unit is electrically connected to the WIFI chip.

2. The serial communication display module with wireless Internet access function according to claim 1, characterized in that: The buck unit includes a first connector, a buck chip U4 and a capacitor C17, the first connector is electrically connected to the buck chip U4, a first end of the capacitor C17 is electrically connected to the buck chip U4, a first end of the capacitor C17 is also electrically connected to the WIFI chip, and a second end of the capacitor C17 is grounded.

3. The serial communication display module with wireless Internet access function according to claim 2, characterized in that: The power supply unit includes a second connector, the second connector is used to be electrically connected to an external power source, and the first connector is electrically connected to the second connector.

4. The serial communication display module with wireless Internet access function according to claim 1, characterized in that: It also includes a crystal oscillator unit, which is electrically connected to the main control chip.

5. The serial communication display module with wireless Internet access function according to claim 1, characterized in that: It also includes a display screen interface module, which is electrically connected to the main control chip.

6. The serial communication display module with wireless Internet access function according to claim 1, characterized in that: It also includes a card slot module, which is electrically connected to the main control chip.

7. The serial communication display module with wireless Internet access function according to claim 1, characterized in that: It also includes a serial port debugging module, which includes a chip U12 and a capacitor C59. The chip U12 is electrically connected to the main control chip, a first end of the capacitor C59 is electrically connected to the chip U12, and a second end of the capacitor C59 is grounded.

8. The serial communication display module with wireless Internet access function according to claim 7, characterized in that: The serial port debugging module further includes a chip U13, and the chip U13 is electrically connected to the main control chip.

9. The serial communication display module with wireless Internet access function according to claim 8, characterized in that: It also includes a serial port module, which is electrically connected to the main control chip.

10. The serial communication display module with wireless Internet access function according to claim 5, characterized in that: It also includes a backlight module, which is electrically connected to the display screen interface module.

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