Round serial port screen display module
By integrating the main control chip and knob unit in the circular knob display module, the terminal is directly controlled through the knob, the cumbersome data conversion problems caused by the additional configuration of the chip in the prior art are solved, and simple control of the terminal status is achieved.
Patent Information
- Application Number
- CN202420849012.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The existing circular knob display module needs to configure an additional chip when controlling the terminal, resulting in a cumbersome data conversion process.
The main control chip, knob unit and interface module are integrated on a PCB board, and the direct control of the terminal is achieved through the rotation and pressing of the knob, simplifying the data interaction process.
It realizes simple control of the terminal display status and simplifies the operation process.
Smart Images
Figure CN222354704U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display screens, in particular to a circular serial port screen display module. Background Art
[0002] At present, circular knob display modules have been gradually applied to terminal products. In related technologies, when the circular knob display module controls the terminal, it is necessary to configure an additional chip. Through the data conversion of the additional chip, the terminal display and status can be controlled, and then the control result is displayed on the terminal. The process is relatively cumbersome. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a circular serial port screen display module, in which a chip can be built into the display module, and the display state of the terminal can be controlled directly through a knob.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] The first aspect of the present application provides a circular serial port screen display module, comprising: a PCB board; a main control chip, which is arranged on the PCB board; an interface module, comprising a connector, an input end and an output end, the connector is arranged on the PCB board, the input end and the output end are respectively arranged on the connector, and the connector is electrically connected to the main control chip; a switch module, comprising a knob unit, the knob unit is arranged on the PCB board, and the knob unit is electrically connected to the main control chip.
[0006] It also includes a step-down module, which includes a step-down chip, a capacitor C1 and a capacitor C3. The first end of the capacitor C1 is electrically connected to the step-down chip, and the second end of the capacitor C1 is grounded. The first end of the capacitor C3 is electrically connected to the step-down chip, and the second end of the capacitor C3 is grounded. The step-down chip is electrically connected to the connector, and the step-down chip is also electrically connected to the main control chip.
[0007] The step-down module also includes capacitor C2, capacitor C9, capacitor C4, capacitor C5 and capacitor C7. The first end of the capacitor C2 is electrically connected to the step-down chip, and the second end of the capacitor C2 is grounded. The first end of the capacitor C9 is electrically connected to the step-down chip, and the second end of the capacitor C9 is grounded. The first end of the capacitor C4 is electrically connected to the step-down chip, and the second end of the capacitor C4 is grounded. The first end of the capacitor C5 is electrically connected to the step-down chip, and the second end of the capacitor C5 is grounded. The first end of the capacitor C7 is electrically connected to the step-down chip, and the second end of the capacitor C7 is grounded.
[0008] It also includes a display screen port, which is electrically connected to the main control chip.
[0009] It also includes an indicator light module, which is electrically connected to the main control chip.
[0010] The reset module is also included. The reset module includes a resistor R11 and a capacitor C16. The resistor R11 is electrically connected to the main control chip and a first end of the capacitor C16 respectively. The second end of the capacitor C16 is grounded.
[0011] It also includes a storage module, which is electrically connected to the main control chip.
[0012] It also includes a backlight switch module, which is electrically connected to the main control chip and the display screen port respectively.
[0013] It also includes a crystal oscillator module, which includes a crystal oscillator chip and a capacitor C8. A first end of the capacitor C8 is electrically connected to the crystal oscillator chip, and the other end of the capacitor C8 is grounded. The crystal oscillator chip is electrically connected to the main control chip.
[0014] It also includes a burning module, which is electrically connected to the main control chip.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] This application integrates the main control chip, knob unit and interface module on a PCB board. By rotating and pressing the knob unit and interacting with data at the output end, the terminal can be controlled, and the process is very simple. 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 circular serial port screen display module 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 A circuit diagram of an interface module and a voltage reduction module in an embodiment of the utility model;
[0021] Figure 4 is a circuit diagram of a knob unit in one embodiment of the utility model;
[0022] Figure 5 A circuit diagram of a display screen port in an embodiment of the utility model;
[0023] Figure 6 A circuit diagram of an indicator light module in an embodiment of the utility model;
[0024] Figure 7 is a circuit diagram of a reset module in an embodiment of the utility model;
[0025] Figure 8 is a circuit diagram of a storage module in an embodiment of the utility model;
[0026] Fig. 9 is a circuit diagram of a backlight switch module in an embodiment of the utility model;
[0027] Fig.10 A circuit diagram of a crystal oscillator module in an embodiment of the present invention;
[0028] Fig.11 FIG. 4 is a circuit diagram of a programming 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] See also Figures 1 to 4A circular serial port screen display module includes: a PCB board 100, a main control chip 200, an interface module 300 and a switch module 400, the main control chip 200 is arranged on the PCB board 100; the interface module 300 includes a connector, an input end and an output end, the connector is arranged on the PCB board, the input end and the output end are respectively arranged on the connector, and the connector is electrically connected to the main control chip 200; the switch module 400 includes a knob unit, the knob unit is arranged on the PCB board 100, and the knob unit is electrically connected to the main control chip 200.
[0033] It should be noted that the PCB board is a circular PCB board, the main control chip U1 communicates with the external terminal through the input terminal RXD1 and the output terminal TXD1 of the connector USB1, and the knob unit is used to adjust the state of the terminal on the serial port screen. Furthermore, the present application integrates the main control chip, the knob unit and the interface module on a PCB board, and the terminal can be controlled by rotating and pressing the knob unit and interacting with the data at the output terminal, and the process is very simple.
[0034] It should also be noted that the present application only requires protection of the positional connection relationship of each component, and does not require protection of the components themselves.
[0035] See also Figure 3 In one embodiment, the circular serial port screen display module also includes a step-down module, which includes a step-down chip, a capacitor C1 and a capacitor C3. The first end of the capacitor C1 is electrically connected to the step-down chip, the second end of the capacitor C1 is grounded, the first end of the capacitor C3 is electrically connected to the step-down chip, the second end of the capacitor C3 is grounded, the step-down chip is electrically connected to the connector, and the step-down chip is also electrically connected to the main control chip. Specifically, the step-down module also includes capacitors C2, C9, C4, C5 and C7. The first end of the capacitor C2 is electrically connected to the step-down chip, the second end of the capacitor C2 is grounded, the first end of the capacitor C9 is electrically connected to the step-down chip, the second end of the capacitor C9 is grounded, the first end of the capacitor C4 is electrically connected to the step-down chip, the second end of the capacitor C4 is grounded, the first end of the capacitor C5 is electrically connected to the step-down chip, the second end of the capacitor C5 is grounded, the first end of the capacitor C7 is electrically connected to the step-down chip, and the second end of the capacitor C7 is grounded.
[0036] It should be noted that the step-down chip is U3, and capacitors C1, C3, C2, C9, C4, C5 and C7 are all filter capacitors.
[0037] See also Figure 5 In one embodiment, the circular serial port screen display module also includes a display screen port, and the display screen port is electrically connected to the main control chip.
[0038] It should be noted that the display port is a port of a liquid crystal display.
[0039] See also Figure 6 In one embodiment, the circular serial port screen display module also includes an indicator light module, and the indicator light module is electrically connected to the main control chip.
[0040] It should be noted that the indicator light module is used to light up the circular outline of the serial port screen.
[0041] See also Figure 7 In one embodiment, the circular serial port screen display module also includes a reset module, the reset module includes a resistor R11 and a capacitor C16, the resistor R11 is electrically connected to the main control chip and the first end of the capacitor C16 respectively, and the second end of the capacitor C16 is grounded.
[0042] It should be noted that the reset module will send a reset signal when the entire module is started, so that all electronic components are initialized correctly. At the same time, when the entire module has problems, the reset module can force the module to return to a stable state, thereby avoiding data loss.
[0043] See also Figure 8 In one embodiment, the circular serial port screen display module also includes a storage module, and the storage module is electrically connected to the main control chip.
[0044] It should be noted that the storage module is used to temporarily store data.
[0045] See also Fig. 9 In one embodiment, the circular serial port screen display module also includes a backlight switch module, and the backlight switch module is electrically connected to the main control chip and the display screen port respectively.
[0046] It should be noted that the backlight switch module controls the backlight switch of the display screen.
[0047] See also Fig.10 In one embodiment, the circular serial port screen display module also includes a crystal oscillator module, the crystal oscillator module includes a crystal oscillator chip and a capacitor C8, a first end of the capacitor C8 is electrically connected to the crystal oscillator chip, the other end of the capacitor C8 is grounded, and the crystal oscillator chip is electrically connected to the main control chip.
[0048] It should be noted that the crystal oscillator module plays a role in generating a stable and accurate clock signal.
[0049] See also Fig.11 In one embodiment, the circular serial port screen display module also includes a burning module, and the burning module is electrically connected to the main control chip.
[0050] It should be noted that the burning module is used to burn functions into the main control chip.
[0051] 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.
[0052] 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 circular serial port screen display module, characterized in that: include: PCB board; A main control chip is arranged on the PCB board; An interface module, comprising a connector, an input end and an output end, wherein the connector is arranged on the PCB board, the input end and the output end are respectively arranged on the connector, and the connector is electrically connected to the main control chip; The switch module comprises a knob unit, wherein the knob unit is arranged on the PCB board and is electrically connected to the main control chip.
2. The circular serial port display module according to claim 1, characterized in that: It also includes a step-down module, which includes a step-down chip, a capacitor C1 and a capacitor C3. The first end of the capacitor C1 is electrically connected to the step-down chip, and the second end of the capacitor C1 is grounded. The first end of the capacitor C3 is electrically connected to the step-down chip, and the second end of the capacitor C3 is grounded. The step-down chip is electrically connected to the connector, and the step-down chip is also electrically connected to the main control chip.
3. The circular serial port display module according to claim 2, characterized in that: The step-down module also includes capacitor C2, capacitor C9, capacitor C4, capacitor C5 and capacitor C7. The first end of the capacitor C2 is electrically connected to the step-down chip, and the second end of the capacitor C2 is grounded. The first end of the capacitor C9 is electrically connected to the step-down chip, and the second end of the capacitor C9 is grounded. The first end of the capacitor C4 is electrically connected to the step-down chip, and the second end of the capacitor C4 is grounded. The first end of the capacitor C5 is electrically connected to the step-down chip, and the second end of the capacitor C5 is grounded. The first end of the capacitor C7 is electrically connected to the step-down chip, and the second end of the capacitor C7 is grounded.
4. The circular serial port display module according to claim 1, characterized in that: It also includes a display screen port, which is electrically connected to the main control chip.
5. The circular serial port display module according to claim 1, characterized in that: It also includes an indicator light module, which is electrically connected to the main control chip.
6. The circular serial port display module according to claim 4, characterized in that: It also includes a reset module, which includes a resistor R11 and a capacitor C16. The resistor R11 is electrically connected to the main control chip and a first end of the capacitor C16 respectively, and a second end of the capacitor C16 is grounded.
7. The circular serial port display module according to claim 1, characterized in that: It also includes a storage module, which is electrically connected to the main control chip.
8. The circular serial port display module according to claim 4, characterized in that: It also includes a backlight switch module, which is electrically connected to the main control chip and the display screen port respectively.
9. The circular serial port display module according to claim 1, characterized in that: It also includes a crystal oscillator module, which includes a crystal oscillator chip and a capacitor C8. A first end of the capacitor C8 is electrically connected to the crystal oscillator chip, and the other end of the capacitor C8 is grounded. The crystal oscillator chip is electrically connected to the main control chip.
10. The circular serial port display module according to claim 1, characterized in that: It also includes a burning module, which is electrically connected to the main control chip.