Small USB flash disk type computer system and electronic product

Abstract

The utility model discloses a small USB flash disk type computer system and an electronic product, the system comprises a control module, and a power supply module, an expansion module, a JTAG module, an eMMC module and a data transmission module which are respectively connected with the control module, the power supply module supplies power to the control module, the expansion module is used for being connected with an external expansion board, and the expansion module is used for being connected with the external expansion board. The USB flash disk type computer system comprises a control module, a JTAG module, an eMMC module and a data transmission module, the JTAG module is used for internal testing of the control module, the eMMC module is used for providing external storage space for the control module, and the data transmission module is used for carrying out data transmission with an expansion board. A user can connect various peripherals and expansion boards according to needs through at least one expansion module, the requirement for efficient data processing is met through the eMMC module, and the device has the advantages of being small in size, large in storage space, high in expandability and low in power consumption.

Description

Technical Field

[0001] The utility model relates to the technical field of embedded computer systems, in particular to a small U disk type computer system and an electronic product. Background Art

[0002] With the rise of DIY culture and the popularization of programming education, the demand for small, low-cost, and easy-to-use computing platforms is growing. Single-board computers the size of a USB flash drive have become a popular choice due to their portability, flexibility, and ease of integration, especially in scenarios that require hands-on operation and physical programming intervention. These devices are usually equipped with open source software and hardware to support a wide range of teaching and creative activities, including basic programming learning, robotics control, IoT projects, and prototype development. They provide a platform that allows learners to actually operate and understand the principles of computer science and engineering, while promoting the popularization of low-cost innovation and technology education.

[0003] How to provide enough expansion modules and modules within a limited physical size to support user customization and expansion of functions and maintain the flexibility and adaptability of the system is an urgent problem that needs to be solved. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a small USB disk-type computer system and an electronic product with small size and strong expansibility.

[0005] One embodiment of the utility model provides a small USB flash drive computer system, including a control module, a power module, an expansion module, a JTAG module, an eMMC module and a data transmission module respectively connected to the control module, the power module is used to supply power to the control module, the expansion module is used to connect an external expansion board, the JTAG module is used for internal testing of the control module, the eMMC module is used to provide external storage space for the control module, and the data transmission module is used to transmit data with the expansion board.

[0006] Optionally, the data transmission module includes a USB interface for power input and data transmission.

[0007] Optionally, the power module includes a lithium battery interface, and the lithium battery interface is used to connect a lithium battery.

[0008] Optionally, the power module includes a charging management module, an input end of the charging management module is connected to a USB interface, an output end is connected to a lithium battery interface, and the charging management module is used to control the charging of the lithium battery.

[0009] Optionally, the power module further includes a power management module, the input end of the power management module is respectively connected to the lithium battery interface and the USB interface, and the output end is connected to the control module for selecting a power supply mode.

[0010] Optionally, an analog-to-digital converter is also included, the input end of the analog-to-digital converter is connected to the expansion module, and the output end is connected to the control module. The analog-to-digital converter is used to receive the analog signal input by the expansion module and convert the analog signal into a digital signal and then transmit it to the control module.

[0011] Optionally, it also includes an LED indicator light for indicating, and the LED indicator light is connected to the control module.

[0012] Optionally, it also includes DDR4 and microSD interfaces, wherein the DDR4 serves as an internal storage expansion space when the control module is running, and the microSD interface is used to insert a microSD card.

[0013] Optionally, the control module includes an AM62 SoC chip.

[0014] Another embodiment of the present invention further provides an electronic product, comprising any of the above-mentioned small USB disk-type computer systems.

[0015] In the technical solution provided by the embodiment of the utility model, the small U disk type computer system includes a power module, an expansion module, a JTAG module, an eMMC module and a data transmission module which are respectively connected to the control module, the power module supplies power to the control module, the expansion module is used to connect an external expansion board, the JTAG module is used for internal testing of the control module, the eMMC module is used to provide external storage space for the control module, and the data transmission module is used to perform data transmission with the expansion board. Compared with the prior art, the small U disk type computer system described in the utility model supports multiple communication and storage interfaces. Through at least one expansion module, users can connect multiple peripherals and expansion boards as needed. Through the eMMC module, the needs of efficient data processing are met, and the system has the characteristics of small size, large storage space, strong scalability and low power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the overall circuit of a small USB disk type computer system. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0018] It should be noted that when an element is described as being "connected" or "connected to" another element, it may be directly connected to the other element, or one or more intermediate elements may exist therebetween. The terms "upper", "lower", "inner", "outer", etc. used in this specification indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention.

[0019] The utility model provides a small USB disk computer system, please refer to Figure 1 As shown, the small U disk type computer system includes a control module 10, a power module, an expansion module, a JTAG module 40, an eMMC module 50 and a data transmission module respectively connected to the control module 10, the power module is used to provide power to the control module 10, the expansion module is used to connect an external expansion board, the JTAG module 40 is used for internal testing of the control chip of the control module 10, the eMMC module 50 is used to provide external storage space for the control module, and the data transmission module is used to transmit data with other devices or expansion boards.

[0020] The small U disk type computer system described in the utility model supports multiple communication interfaces and storage interfaces. Through the expansion interface of at least one expansion module, the user can connect multiple peripherals and expansion boards as needed. The demand for efficient data processing is met through the eMMC module 50. The internal debugging of the system is achieved through the JTAG interface of the JTAG module 40. Rapid data transmission is achieved through multiple data transmission modules. The utility model has the characteristics of small size, large storage space, strong scalability, low power consumption and strong performance.

[0021] In one embodiment of the present invention, the control module 10 includes an AM62 SoC chip, which includes multiple functions such as a processor and memory, supports multiple communication and storage interfaces, and uses the AM62 quad-core Cortex-A53 architecture SoC, so that the system provides powerful processing capabilities and low-energy operation while maintaining a compact size, thereby enhancing cost-effectiveness.

[0022] The small USB computer system of the utility model is also provided with a Debian Linux operating system and related software, providing users with a complete and easy-to-operate development environment. Through the USB connection, you can quickly start software development and project implementation, which greatly reduces the technical threshold. This application is compatible with the cape header of the PocketBeagle 1st generation, allowing users to easily expand a variety of peripherals. At the same time, users can also use the capes designed by other users in the community to further expand the functions and application scope of the device. This high degree of compatibility and scalability provides users with a wide range of innovation space to meet the changing project requirements and personalized creative desires.

[0023] In one embodiment of the present invention, the data transmission module includes a USB interface 23 for power input and data transmission with an external device. Specifically, the USB interface is a USB C interface 23, which is a new type of USB interface that supports double-sided insertion and fast data transmission, as well as power supply and fast charging of the device.

[0024] In one embodiment of the present utility model, the power module includes a lithium battery interface 22, and the lithium battery interface 22 is used to connect the lithium battery to provide power to the system. The power module includes a charging management module 24, the input end of the charging management module 24 is connected to the USB C interface 23, and the output end is connected to the lithium battery interface 22. The charging management module 24 is used to control the charging of the lithium battery. Specifically, the external power flows into the charging management module 24 through the USB C interface 23. The charging management module 24 controls the charging process of the lithium battery by controlling the charging voltage or charging current. The charging management module 24 is also provided with a charging protection circuit to prevent the lithium battery from being damaged by excessive voltage or current during the charging process.

[0025] In one embodiment of the present invention, the power module also includes a power management module 21, the input end of the power management module 21 is respectively connected to the lithium battery interface 22 and the USB C interface 23, and the output end is connected to the control module 10 for selecting a power supply mode. For example, the power management module 21 can be used to select whether to be powered by a lithium battery or a USB C interface 23.

[0026] In one embodiment of the present invention, the expansion module includes a first expansion interface 31 and a second expansion interface 32, so that the user can connect various peripherals and expansion boards through the expansion interface. The small USB disk-type computer system also includes an analog-to-digital converter 60, the input end of the analog-to-digital converter 60 is connected to the first expansion interface 31, and the output end is connected to the control module 10. The analog-to-digital converter 60 is used to receive the analog signal input by the first expansion interface 31 and convert the analog signal into a digital signal and transmit it to the control module 10. Specifically, the analog-to-digital converter 60 is an eight-channel analog-to-digital converter.

[0027] In one embodiment of the present invention, the small USB flash drive computer system further includes an LED indicator light 90 for indicating, and the LED indicator light 90 is connected to the control module 10. Specifically, the LED indicator light 90 can be a plurality of indicator lights of different colors, and the LED indicator lights 90 of different colors correspond to different states of the system.

[0028] In one embodiment of the utility model, the small USB disk computer system further includes DDR4 70 and microSD interface 80, wherein the DDR4 70 is used as the internal storage expansion space when the control module is running, and the microSD interface 80 is used to insert a microSD card to expand the storage space of the system, providing additional flexibility for data storage and operating system booting; DDR4 70 is specifically DDR4512M, i.e., the fourth generation double data rate synchronous dynamic random access memory, with a capacity of 512MB, for fast data reading and writing. The present application enhances the scalability of storage by adding the microSD interface 80, providing users with more application scenario options.

[0029] The utility model provides sufficient expansion interfaces and functional modules within a limited physical size to support user customization and expansion of functions, maintaining the flexibility and adaptability of the system. It not only reduces the size of the system, reduces material and production costs, but also improves assembly efficiency, making the final product more compact and portable.

[0030] The utility model also provides an electronic product, which adopts the small USB disk computer system described in any of the above embodiments. The small USB disk computer system includes a control module, a power module, an expansion module, a JTAG module, an eMMC module and a data transmission module respectively connected to the control module, the power module supplies power to the control module, the expansion module is used to connect an external expansion board, the JTAG module is used for internal testing of the control module, the eMMC module is used to provide an external storage space for the control module, and the data transmission module is used to transmit data with the expansion board.

[0031] The small U disk type computer system described in the utility model supports multiple communication interfaces and storage interfaces. Through the expansion interface of at least one expansion module, the user can connect multiple peripherals and expansion boards as needed, meet the needs of efficient data processing through the eMMC module, realize system debugging through the JTAG interface of the JTAG module, and realize fast data transmission through multiple data transmission modules. The utility model has the characteristics of small size, large storage space, strong scalability, low power consumption and strong performance.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A small USB disk computer system, characterized in that: It includes a control module, a power module, an expansion module, a JTAG module, an eMMC module and a data transmission module respectively connected to the control module, the power module is used to provide power to the control module, the expansion module is used to connect an external expansion board, the JTAG module is used for internal testing of the control module, the eMMC module is used to provide external storage space for the control module, and the data transmission module is used to transmit data with the expansion board.

2. The small USB disk computer system according to claim 1, characterized in that: The data transmission module includes a USB interface, and the USB interface is used for power input and data transmission.

3. The small USB disk computer system according to claim 2, characterized in that: The power module comprises a lithium battery interface, and the lithium battery interface is used to connect a lithium battery.

4. The small USB disk computer system according to claim 3, characterized in that: The power supply module comprises a charging management module, the input end of the charging management module is connected to the USB interface, the output end is connected to the lithium battery interface, and the charging management module is used to control the charging of the lithium battery.

5. The small USB disk computer system according to claim 4, characterized in that: The power module also includes a power management module, the input end of the power management module is respectively connected to the lithium battery interface and the USB interface, and the output end is connected to the control module for selecting a power supply mode.

6. The small USB disk computer system according to claim 4, characterized in that: It also includes an analog-to-digital converter, the input end of which is connected to the expansion module, and the output end is connected to the control module. The analog-to-digital converter is used to receive the analog signal input by the expansion module and convert the analog signal into a digital signal and then transmit it to the control module.

7. The small USB disk computer system according to claim 1, characterized in that: It also includes an LED indicator light for indicating, and the LED indicator light is connected to the control module.

8. The small USB disk computer system according to claim 1, characterized in that: It also includes DDR4 and microSD interfaces, wherein the DDR4 serves as an internal storage expansion space when the control module is running, and the microSD interface is used to insert a microSD card.

9. The small USB disk computer system according to claim 1, characterized in that: The control module includes an AM62SoC chip.

10. An electronic product, characterized in that: A small USB disk-type computer system comprising any one of claims 1-9.

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