Round knob display panel

Abstract

The utility model provides a round knob display panel. The round knob display panel comprises a rotary encoder, a liquid crystal display screen, a logic control unit, an external key, a file system, an SD card circuit and a storage IC. The external keys, the logic control unit and the liquid crystal display screen are sequentially connected in a one-way mode. The rotary encoder is in one-way connection with the logic control unit; the file system is bidirectionally connected with the logic control unit; and the file system is bidirectionally connected with the SD card circuit and the storage IC respectively. By implementing the embodiment of the invention, multifunctional intelligent control can be realized, man-machine interaction is realized, more convenience is brought to the use of the display panel, and various use requirements are met.

Description

Technical Field

[0001] The present application relates to the field of intelligent interaction technology, and in particular to a circular knob display panel. Background Art

[0002] Circular knob human-machine interfaces combine the intuitiveness of traditional knobs with the convenience of touchscreens, allowing easy interaction with devices through rotation, tapping, and sliding. They are commonly used in industrial control, smart homes, and medical equipment.

[0003] However, in the prior art, for some intelligent control scenarios that require the use of circular knobs, circular knobs are simply mechanical knobs that cannot achieve dynamic human-computer interaction processes or meet various usage requirements, bringing many inconveniences to the use of touch screens. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a circular knob display panel that can realize multi-functional intelligent control, achieve human-computer interaction, bring more convenience to the use of the display panel, and meet various usage needs.

[0005] In a first aspect, an embodiment of the present application provides a circular knob display panel, comprising:

[0006] Rotary encoder, LCD display, logic control unit, external buttons, file system, SD card circuit and storage IC;

[0007] The external buttons, the logic control unit and the liquid crystal display are unidirectionally connected in sequence;

[0008] The rotary encoder and the logic control unit are unidirectionally connected;

[0009] The file system and the logic control unit are bidirectionally connected;

[0010] The file system is bidirectionally connected to the SD card circuit and the storage IC respectively.

[0011] In the above implementation process, by interconnecting the rotary encoder, logic control unit and external buttons, and adding a file system and SD card circuit and storage IC for communication and storage, multifunctional intelligent control can be achieved, human-computer interaction can be realized, and the use of the display panel can be more convenient to meet various usage needs.

[0012] Furthermore, the liquid crystal display screen is connected to the logic control unit via a liquid crystal display drive interface.

[0013] In the above implementation process, the liquid crystal display driver interface can connect the liquid crystal display screen to the logic control unit, thereby improving the transmission efficiency between the liquid crystal display screen and the logic control unit.

[0014] Furthermore, the circular knob display panel also includes a dual-channel serial port, which is connected to the logic control unit via a universal asynchronous receiver-transmitter transmission interface and is connected to an external device via a universal asynchronous receiver-transmitter transmission interface.

[0015] In the above implementation process, the dual serial ports are connected to the logic control unit and the external device, so that the circular knob display panel can be connected to the external device, thereby increasing the practicality of the circular knob display panel and making it have more functions.

[0016] Furthermore, the circular knob display panel also includes an RTC real-time clock circuit, and the RTC real-time clock circuit is connected to the logic control unit through a bidirectional data line interface and a clock line interface.

[0017] In the above implementation process, the RTC real-time clock circuit can count time and provide accurate time, providing more function options for the circular knob display panel.

[0018] Furthermore, the circular knob display panel also includes a power communication module, and the power communication module is connected to the logic control unit through a step-down circuit.

[0019] In the above implementation process, the power communication module can provide power to the circular knob display panel to ensure smooth operation of the circular knob display panel.

[0020] Furthermore, the step-down circuit includes a first step-down circuit and a second step-down circuit.

[0021] In the above implementation process, the first step-down circuit and the second step-down circuit respectively provide different voltages for the circular knob display panel, which can meet various requirements and ensure continuous power supply to the circular knob display panel.

[0022] Furthermore, the 5V output voltage of the power communication module outputs a 1.1V voltage through the first step-down circuit and is connected to the logic control unit, and the 5V output voltage of the power communication module outputs a 3.3V voltage through the first step-down circuit and is connected to the logic control unit.

[0023] In the above implementation process, the 5V voltage of the power communication module is respectively reduced to 1.1V and 3.3V and then provided to the logic control unit, ensuring the voltage requirement of the logic control unit without causing usage pressure on the logic control unit.

[0024] Furthermore, the power communication module is connected to an external power supply through a diode.

[0025] In the above implementation process, the diode can protect the power communication module to prevent short circuit and open circuit.

[0026] Furthermore, the model of the storage IC is W25Q128 NOR FLASH.

[0027] Furthermore, the logic control unit is a RISC-V based MCU display drive logic control unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic diagram of the structural composition of a circular knob display panel provided in an embodiment of the present application;

[0030] Figure 2 Schematic diagram of the SD card circuit provided in the embodiment of the present application;

[0031] Figure 3 Schematic diagram of the RTC real-time clock circuit provided in an embodiment of the present application;

[0032] Figure 4 Schematic diagram of the input interface of the power communication module provided in an embodiment of the present application. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0034] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. At the same time, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0035] At present, the circular knob display panel of the prior art is a simple mechanical knob, which cannot realize the dynamic human-computer interaction process and cannot meet various usage requirements, bringing many inconveniences to the use of the touch screen.

[0036] In response to the above-mentioned problems in the prior art, the present application provides a circular knob display panel.

[0037] Example 1

[0038] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0039] The embodiment of the present utility model provides a circular knob display panel, such as Figure 1 As shown, the device includes the following: a rotary encoder, a liquid crystal display, a logic control unit, external buttons, a file system, an SD card circuit, and a storage IC;

[0040] The external buttons, logic control unit and LCD are connected in one direction in sequence;

[0041] The rotary encoder and the logic control unit are connected in one direction;

[0042] The file system and the logical control unit are bidirectionally connected;

[0043] The file system is bidirectionally connected to the SD card circuit and the storage IC respectively.

[0044] In the above implementation process, by interconnecting the rotary encoder, logic control unit and external buttons, and adding a file system and SD card circuit and storage IC for communication and storage, multifunctional intelligent control can be achieved, human-computer interaction can be realized, and the use of the display panel can be more convenient to meet various usage needs.

[0045] like Figure 2 For the SD card circuit, due to the limited structure, it is difficult to insert and remove the SD card. The embodiment of the present application uses a MicroUSB-5P interface and samples a single-line SDIO to drive the SD card for log storage, upgrades, UI storage, etc.

[0046] Furthermore, the liquid crystal display screen is connected to the logic control unit via a liquid crystal display driver interface.

[0047] In the above implementation process, the liquid crystal display driver interface can connect the liquid crystal display screen to the logic control unit, thereby improving the transmission efficiency between the liquid crystal display screen and the logic control unit.

[0048] The LCD display driver interface of this application is a 1.6-inch LCD screen display driver interface, a fully laminated display touch-integrated IPS 1.6-inch circular screen, which can be interacted with by touch as well as by physical knobs and buttons.

[0049] Furthermore, the circular knob display panel also includes a dual-channel serial port, which is connected to the logic control unit through a universal asynchronous receiver-transmitter transmission interface and is connected to an external device through a universal asynchronous receiver-transmitter transmission interface.

[0050] In the above implementation process, the dual serial ports are connected to the logic control unit and the external device, so that the circular knob display panel can be connected to the external device, thereby increasing the practicality of the circular knob display panel and making it have more functions.

[0051] Leading out dual serial ports can provide serial port protection and is used for interaction with other mainboard modules and sensors.

[0052] Furthermore, the circular knob display panel also includes an RTC real-time clock circuit, and the RTC real-time clock circuit is connected to the logic control unit through a bidirectional data line interface and a clock line interface.

[0053] In the above implementation process, the RTC real-time clock circuit can count time and provide accurate time, providing more function options for the circular knob display panel.

[0054] like Figure 3 Shown is the RTC real-time clock circuit.

[0055] Furthermore, the circular knob display panel also includes a power communication module, which is connected to the logic control unit via a step-down circuit.

[0056] In the above implementation process, the power communication module can provide power to the circular knob display panel to ensure smooth operation of the circular knob display panel.

[0057] like Figure 4 As shown, the input interface of the power communication module includes TVS overvoltage protection, fuse, diode anti-reverse insertion and high current, RC filtering, and EMC beads.

[0058] Furthermore, the step-down circuit includes a first step-down circuit and a second step-down circuit.

[0059] In the above implementation process, the first step-down circuit and the second step-down circuit respectively provide different voltages for the circular knob display panel, which can meet various requirements and ensure continuous power supply to the circular knob display panel.

[0060] Furthermore, the 5V output voltage of the power communication module outputs a 1.1V voltage through the first step-down circuit and is connected to the logic control unit, and the 5V output voltage of the power communication module outputs a 3.3V voltage through the first step-down circuit and is connected to the logic control unit.

[0061] In the above implementation process, the 5V voltage of the power communication module is respectively reduced to 1.1V and 3.3V and then provided to the logic control unit, ensuring the voltage requirement of the logic control unit without causing usage pressure on the logic control unit.

[0062] Furthermore, the power communication module is connected to the external power supply through a diode.

[0063] In the above implementation process, the diode can protect the power communication module to prevent short circuit and open circuit.

[0064] Furthermore, the model of the storage IC is W25Q128 NOR FLASH.

[0065] Furthermore, the logic control unit is a RISC-V based MCU display driver logic control unit.

[0066] The logic control unit uses the D13X, a high-performance, industrial-grade, full-HD display and intelligent control MCU based on RISC-V. Equipped with a powerful 2D graphics accelerator, PNG decoding and JPEG codec engines, and a rich set of screen interfaces, it supports a wide industrial temperature range. Its high reliability and openness make it suitable for a wide range of industrial applications, including industrial HMIs, gateways, and serial port displays, as well as smart home applications. It features a single-core E907 core, the RV32IMAFDCP instruction architecture, operating at 480MHz@1.1V, a 32KB L1 instruction cache, a 32KB L1 data cache, single-precision / double-precision floating-point units, an integrated DSP instruction set, physical memory protection (PMP), an in-core interrupt CLINT and an interrupt controller CLIC, support for nested interrupts, and supports both machine and user modes.

[0067] This application provides a knob with a display screen, which can display rich UI and animation effects, realize human-computer interaction, is easy to use, has high stability, and a short development cycle.

[0068] In the several embodiments provided in this application, it should be understood that the disclosed devices can also be implemented in other ways. The device embodiments described above are merely illustrative. For example, the flowcharts and block diagrams in the accompanying drawings show the possible architectures, functions and operations of the devices, methods and computer program products according to the multiple embodiments of the present application. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of the code, and the module, program segment or a part of the code contains one or more executable instructions for implementing the specified logical functions. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in an order different from that marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or flowchart, and the combination of boxes in the block diagram and / or flowchart, can be implemented using a dedicated hardware-based system that performs the specified function or action, or can be implemented using a combination of dedicated hardware and computer instructions.

[0069] In addition, the functional modules in each embodiment of the present application can be integrated together to form an independent part, or each module can exist independently, or two or more modules can be integrated to form an independent part.

[0070] If the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0071] The foregoing is merely an embodiment of the present application and is not intended to limit the scope of protection of the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures.

[0072] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

[0073] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. A circular knob display panel, characterized in that: The circular knob display panel includes: Rotary encoder, LCD display, logic control unit, external buttons, file system, SD card circuit and storage IC; The external buttons, the logic control unit and the liquid crystal display are unidirectionally connected in sequence; The rotary encoder and the logic control unit are unidirectionally connected; The file system and the logic control unit are bidirectionally connected; The file system is bidirectionally connected to the SD card circuit and the storage IC respectively.

2. The circular knob display panel according to claim 1, characterized in that: The liquid crystal display screen is connected to the logic control unit via a liquid crystal display drive interface.

3. The circular knob display panel according to claim 1, characterized in that: The circular knob display panel further includes a dual-channel serial port, which is connected to the logic control unit via a universal asynchronous receiver / transmitter transmission interface and is connected to an external device via a universal asynchronous receiver / transmitter transmission interface.

4. The circular knob display panel according to claim 1, characterized in that: The circular knob display panel also includes an RTC real-time clock circuit, which is connected to the logic control unit via a bidirectional data line interface and a clock line interface.

5. The circular knob display panel according to claim 1, characterized in that: The circular knob display panel further includes a power communication module, which is connected to the logic control unit via a step-down circuit.

6. The circular knob display panel according to claim 5, characterized in that: The step-down circuit includes a first step-down circuit and a second step-down circuit.

7. The circular knob display panel according to claim 6, characterized in that: The 5V output voltage of the power communication module outputs a 1.1V voltage through the first step-down circuit and is connected to the logic control unit. The 5V output voltage of the power communication module outputs a 3.3V voltage through the first step-down circuit and is connected to the logic control unit.

8. The circular knob display panel according to claim 7, characterized in that: The power supply communication module is connected to an external power supply through a diode.

9. The circular knob display panel according to claim 1, characterized in that: The model of the storage IC is W25Q128 NOR FLASH.

10. The circular knob display panel according to claim 1, characterized in that: The logic control unit is a RISC-V based MCU display drive logic control unit.

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