Expansion circuit provided with memory disk and docking station

Abstract

The utility model relates to the technical field of expansion circuits, in particular to an expansion circuit provided with a memory disk and a docking station. The expansion circuit comprises a first expansion interface; the first USB interface is used for being connected with external computer equipment, and the first USB interface is connected with the first expansion interface; a storage disc is pre-compiled in the microcontroller chip, a link address is pre-stored in the storage disc, the link address is used for pointing to related information of the expansion circuit, the microcontroller chip is provided with a transmission pin, the transmission pin is connected with the first USB interface, and external computer equipment can communicate with the microcontroller chip through the first USB interface. And accessing the memory disk. According to the application, the user operation can be simplified, the use convenience of the expansion circuit and the docking station can be improved, the timeliness is high, the user experience is improved, the microcontroller chip is adopted to pre-compile the storage link address, and compared with a storage chip, the cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of extension circuit, especially an extension circuit and docking station provided with a storage disc. BACKGROUND

[0002] At present, in some use scenarios, some computer extension devices such as docking stations for converting USB data into video signals need to install a driver program to be used when connecting computer devices such as notebooks and desktops, and these computer extension devices usually need to be attached with a driver CD or instruct the user to download from the official website.

[0003] In some other use scenarios, the use of some computer extension devices is relatively complex, and the product will be introduced in detail when it is sold online, such as the functions and characteristics of each interface of the product, the use environment, the compatibility list of the host device and the peripheral device, and the frequently asked questions.

[0004] However, few computer devices are now equipped with CD drives, and the way of attaching a CD is not convenient for users, and the way of letting the user download from the official website requires the user to open the browser manually and input the website address, which is very tedious and inconvenient for the user, and the user experience is not good. For computer peripheral devices that need to introduce or note more information, the introduction of information is limited by the sales platform, and the user will not check the related information on the online sales page during use, so it may lead to the user's insufficient understanding of the product, the improper use of the method, and the user's needs, which brings inconvenience to the user. INVENTION CONTENT

[0005] The utility model embodiment provides an extension circuit and docking station provided with a storage disc to solve the problem of inconvenient use and operation of computer extension devices in the prior art and poor user experience.

[0006] The utility model discloses a kind of extension circuits provided with storage disc, comprising:

[0007] First extension interface;

[0008] First USB interface, for connecting external computer device, the first USB interface connects the first extension interface;

[0009] Microcontroller chip, the microcontroller chip is precompiled with storage disc, the storage disc is pre-stored with link address, the link address is used to point to the relevant information of the extension circuit, the microcontroller chip is provided with transmission pin, the transmission pin is connected with the first USB interface, external computer device can be communicated with the microcontroller chip by the first USB interface to access the storage disc.

[0010] Optionally, the expansion circuit further comprises a first hub chip, the first expansion interfaces are provided in plurality, the plurality of first expansion interfaces are connected to the first hub chip, the first hub chip is further connected to the first USB interface and the transmission pin of the microcontroller chip, and the first hub chip is used for expanding the USB signal into a plurality of signals.

[0011] Optionally, the expansion circuit further comprises a second hub chip and a plurality of second expansion interfaces, the plurality of second expansion interfaces are connected to the second hub chip, the second hub chip is connected to the first hub chip and the first USB interface, and the second hub chip is used for expanding the USB signal into a plurality of signals.

[0012] Optionally, the expansion circuit further comprises a voltage conversion circuit, the voltage conversion circuit is connected to the first USB interface to obtain power supply energy through the first USB interface, and the voltage conversion circuit is used for supplying power to the expansion circuit after voltage conversion of the power supply energy.

[0013] Optionally, the expansion circuit further comprises a charging interface and a switch switching circuit, the charging interface is used for inputting charging energy, and the switch switching circuit is connected to the first USB interface, the charging interface and the voltage conversion circuit, and the switch switching circuit is used for switching transmission of the charging energy input by the charging interface to the voltage conversion circuit or transmission of the power supply energy of the first USB interface to the voltage conversion circuit.

[0014] Optionally, the expansion circuit further comprises a first filter circuit, the first filter circuit is arranged between the voltage conversion circuit and the power supply pin of the first hub chip, and is used for filtering the voltage signal output by the voltage conversion circuit and then transmitting the voltage signal to the power supply pin of the first hub chip.

[0015] Optionally, the expansion circuit further comprises a second filter circuit, the second filter circuit is arranged between the voltage conversion circuit and the power supply pin of the microcontroller chip, and is used for filtering the voltage signal output by the voltage conversion circuit and then transmitting the voltage signal to the power supply pin of the microcontroller chip.

[0016] Optionally, the first expansion interface comprises one or more of a network interface, a DP interface, an HDMI interface and an SD card interface.

[0017] Optionally, the second expansion interface comprises a USB-C interface and / or a USB-A interface.

[0018] The utility model discloses still disclose a kind of expansion dock, including the expansion circuit provided with storage disc as described above.

[0019] Compared with the prior art, the extension circuit and the docking station provided with the storage disk have the beneficial effects that: the microcontroller chip is provided, the storage disk is precompiled in the microcontroller chip, the link address is pre-stored in the storage disk, the link address is used for pointing to the related information of the extension circuit, after the user connects the extension circuit to the computer equipment through the first USB interface, the computer equipment can be connected to the external equipment through the first extension interface, and can communicate with the microcontroller chip through the first USB interface, access the storage disk in the microcontroller chip, and directly jump to view the related information of the extension circuit by clicking the link address in the storage disk, without the need of specially opening a browser and manually inputting a website address to view the related information of the extension circuit, so that the user operation is simplified, the use convenience of the extension circuit and the applied product is improved, the timeliness is high, the user experience is improved, and the microcontroller chip is used to precompile the storage link address, so that the cost is lower than that of the storage chip. BRIEF DESCRIPTION OF DRAWINGS

[0020] The technical solutions of the utility model will be further explained in detail below in combination with the drawings and embodiments, and the drawings are as follows:

[0021] Fig. 1 is the structural block diagram of the extension circuit provided with the storage disk provided by the utility model embodiment;

[0022] Fig. 2 is the circuit schematic diagram of the microcontroller chip provided by the utility model embodiment;

[0023] Fig. 3 is the circuit schematic diagram of the first concentrator chip provided by the utility model embodiment.

[0024] The reference signs in the drawings are as follows:

[0025] 110, first extension interface; 120, first USB interface; 130, microcontroller chip; 140, first concentrator chip; 150, second concentrator chip; 160, second extension interface; 170, voltage conversion circuit; 180, charging interface; 190, switch switching circuit; 210, first filter circuit; 220, second filter circuit. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The preferred embodiments of the utility model will be described in detail in combination with the drawings.

[0027] The utility model embodiment provides an extension circuit provided with a storage disk, which comprises a first extension interface, a first USB interface, a microcontroller chip, a first concentrator chip, a second concentrator chip and a second extension interface. Figs. 1 to 3As shown, the expansion circuit includes a first expansion interface 110, a first USB interface 120, and a microcontroller chip 130.

[0028] The first USB interface 120 is used to connect an external computer device, and the first USB interface 120 is connected to the first expansion interface 110.

[0029] The microcontroller chip 130 is precompiled with a storage disk, the storage disk pre-stores a link address, the link address is used to point to the related information of the expansion circuit, and the microcontroller chip 130 is provided with transmission pins USB1DP and USB1DM, which are connected to the first USB interface 120. The external computer device can communicate with the microcontroller chip 130 through the first USB interface 120 to access the storage disk.

[0030] The expansion circuit of the embodiment of the application sets the microcontroller chip 130, the microcontroller chip 130 is precompiled with a storage disk, the storage disk pre-stores a link address, the link address is used to point to the related information of the expansion circuit, after the user connects the expansion circuit to the computer device through the first USB interface 120, the computer device can be connected to the external device through the first expansion interface 110, and can communicate with the microcontroller chip 130 through the first USB interface 120 to access the storage disk in the microcontroller chip 130. By clicking the link address in the storage disk, the related information of the expansion circuit can be directly jumped to view, without the need to specially open a browser and manually input a website address to view the related information of the expansion circuit, which simplifies the user operation, improves the use convenience of the expansion circuit and the product applied thereto, has high timeliness, improves the user experience, and increases the interactivity between the user and the product vendor.

[0031] The related information of the expansion circuit can be a driver required by the expansion circuit, product introduction materials, and product FAQ, etc. The space occupied by these related information is relatively small, and compared with setting a storage chip, the microcontroller chip 130 is precompiled to simulate a storage disk to store the link address, which has relatively low cost. The pre-stored link address in the storage disk can be directly replaced by compiling.

[0032] Specifically, when the expansion circuit of the embodiment of the application is used, the expansion circuit is connected to a computer device, and a corresponding storage disk symbol appears on the desktop of the computer device. The user can see the link address by opening the symbol, and opening the address will directly jump to the required webpage interface, such as the driver required by the expansion circuit or the detailed introduction materials of the product, which avoids the limitation of the sales platform, and the user can fully understand the functions of each interface of the product, the characteristics, the use environment, the compatibility list of the host device, the compatibility list of the peripheral device, and the FAQ, etc., thereby reducing product complaint problems. The computer device can be a notebook computer, a desktop computer, etc.

[0033] The product to which the expansion circuit of the embodiment of the present application is applied can be a USB converter, such as a converter converting from USB to RJ45, a converter converting from USB to SD, a converter converting from USB to 3.5 mm, and can also be a docking station, a KVM switcher, and the like.

[0034] In the optional embodiment of the present application, the first USB interface 120 can adopt a type-C interface.

[0035] Reference Figs. 1 to 3 In the optional embodiment of the present application, the expansion circuit further comprises a first hub chip 140, the first expansion interface 110 is provided in plurality, the plurality of first expansion interfaces 110 are connected to the first hub chip 140, the first hub chip 140 is further connected to the transmission pins USB1DP and USB1DM of the microcontroller chip 130, and the first hub chip 140 is used to expand the USB signal of the first USB interface 120 into a plurality of signals.

[0036] By arranging the first hub chip 140, the USB signal of the first USB interface 120 can be expanded into a plurality of signals, thereby allowing the expansion circuit to be connected to more devices and allowing data to be distributed to different ports and different devices without the need for additional computer device ports. Fig. 2 and Fig. 3 As shown in Fig. 3 is a circuit principle diagram of the first hub chip 140, and the transmission pins USB1DP and USB1DM of the microcontroller chip 130 are connected to a group of expansion ports DM3 and DP3 of the first hub chip 140. In specific implementation, the first hub chip 140 can adopt a GL850S chip.

[0037] In the optional embodiment of the present application, the first expansion interface 110 comprises one or more of a network interface, a DP interface, an HDMI interface, and an SD card interface.

[0038] The network interface is used to process digital communication between a computer device and a wireless medium, connect a router and various devices in a local area network, and transmit data frames on a physical medium. The DP interface is used to connect a video source and a display device, and supports high-resolution and high-refresh-rate video and audio transmission. The HDMI interface is used to transmit high-definition video and high-quality audio signals, and supports various audio and video formats. The SD card interface is used for data backup and transmission, expansion of storage space, reading of a memory card, and the like.

[0039] Through the first expansion interface 110, the user can expand the USB signal into multiple types of interface signals, which can meet the user's connection requirements for different types of peripherals, such as network devices, displays, memory cards, etc. The user can select the type of connected device according to actual needs, without having to replace the entire expansion device or add additional interface modules, improving the versatility and compatibility of the expansion circuit. For example, the expansion circuit sets up a network interface, two DP interfaces, and two HDMI interfaces.

[0040] Reference Fig. 1 In an optional embodiment of the present application, the expansion circuit further includes a second hub chip 150 and a plurality of second expansion interfaces 160, the plurality of second expansion interfaces 160 are connected to the second hub chip 150, the second hub chip 150 is connected to the first hub chip 140 and the first USB interface 120, and the second hub chip 150 is used to expand the USB signal into multiple signals.

[0041] By adding the second hub chip 150 based on the first hub chip 140, the second hub chip 150 expands the USB signal of the first USB interface 120 into multiple signals, and the combination of the two can expand the USB signal into more signals, facilitating the expansion of more expansion interfaces. For example, if the first hub chip 140 expands the first expansion interface 110 to connect a display and a network device, the second hub chip 150 can be set up, one set of expansion ports of which is connected to the first hub chip 140, and the other expansion ports can expand multiple second expansion interfaces 160 to connect other peripherals. The addition of the second hub chip 150 makes the expansion circuit more flexible when expanding, and the user can add peripherals according to needs without having to replace the entire expansion device, improving the user experience. In specific implementation, the second hub chip 150 can use a VL882 chip.

[0042] Optionally, the second expansion interface 160 includes a USB-C interface and / or a USB-A interface.

[0043] The USB-C interface supports multiple functions, can perform high-speed data transmission, supports plug-in, and is more convenient to use. Although the USB-A interface is relatively limited in transmission speed and function, it is widely compatible with old devices, supports USB 2.0 and USB3.0 standards, and is suitable for connecting traditional devices. Therefore, the second expansion interface 160 includes a USB-C interface and / or a USB-A interface, which can meet the user's different device connection requirements and further improve the user's experience. For example, the expansion circuit sets up two USB-A interfaces and one USB-C interface.

[0044] Reference Fig. 1In optional embodiments of the present application, the extension circuit further comprises a voltage conversion circuit 170, which is connected to the first USB interface 120 to obtain power supply energy through the first USB interface 120, and is configured to supply power to the extension circuit after voltage conversion of the power supply energy.

[0045] The voltage conversion circuit 170 can convert the power supply energy obtained from the first USB interface 120 into a suitable voltage signal to supply power to the entire extension circuit, so as to ensure that each chip and circuit of the device operates at a suitable voltage, thereby guaranteeing the performance and reliability of the device.

[0046] In specific implementation, the voltage conversion circuit 170 can adopt a conventional voltage-lifting circuit to convert the power supply energy obtained through the first USB interface 120 into a suitable voltage, which will not be described herein.

[0047] Reference Fig. 1 In optional embodiments of the present application, the extension circuit further comprises a charging interface 180 and a switch switching circuit 190, the charging interface 180 is configured to input charging energy, and the switch switching circuit 190 is connected to the first USB interface 120, the charging interface 180 and the voltage conversion circuit 170, and is configured to switch transmission of the charging energy input by the charging interface 180 to the voltage conversion circuit 170 or transmission of the power supply energy of the first USB interface 120 to the voltage conversion circuit 170.

[0048] By setting the charging interface 180, charging energy can be obtained. Through switching operation of the switch switching circuit 190, the charging energy input by the charging interface 180 can be transmitted to the voltage conversion circuit 170, and the voltage conversion circuit 170 converts the charging energy into a suitable voltage signal to supply power to the entire extension circuit, or the power supply energy input by the first USB interface 120 can be transmitted to the voltage conversion circuit 170, and the voltage conversion circuit 170 converts the power supply energy into a suitable voltage to supply power to the entire extension circuit, which is flexible to use.

[0049] In specific implementation, the switch switching circuit 190 can adopt a conventional switch tube and a corresponding switch control circuit to realize switching, which will not be described herein.

[0050] Reference Fig. 1 In optional embodiments of the present application, the extension circuit further comprises a first filter circuit 210, which is arranged between the voltage conversion circuit 170 and the power supply pin of the first hub chip 140, and is configured to transmit the voltage signal output by the voltage conversion circuit 170 to the power supply pin of the first hub chip 140 after filtering.

[0051] The voltage signal output by the voltage conversion circuit can have high-frequency noise and ripple. By setting the first filter circuit 210, the high-frequency components can be effectively filtered out, providing a more pure and stable voltage signal for the first hub chip 140, thereby improving the power supply quality of the first hub chip 140, ensuring that the first hub chip 140 works under stable voltage, and improving the stability of the first hub chip 140. The first filter circuit 210 can use multiple filter capacitors in parallel to filter the voltage signal output by the voltage conversion circuit 170.

[0052] Reference Fig. 1 In the optional embodiment of the present application, the expansion circuit further comprises a second filter circuit 220, which is arranged between the voltage conversion circuit 170 and the power supply pin of the microcontroller chip 130, and is used to filter the voltage signal output by the voltage conversion circuit 170 and transmit it to the power supply pin of the microcontroller chip 130.

[0053] By setting the second filter circuit 220, the high-frequency components can be effectively filtered out, providing a more pure and stable voltage signal for the second hub chip 150, thereby improving the power supply quality of the second hub chip 150, ensuring that the second hub chip 150 works under stable voltage, and improving the stability of the second hub chip 150. The second filter circuit 220 can also use multiple filter capacitors in parallel to filter the voltage signal output by the voltage conversion circuit 170.

[0054] The embodiment of the present application also provides an expansion dock comprising the expansion circuit provided with the storage disk as described above.

[0055] The expansion dock of the embodiment of the present application is provided with the microcontroller chip 130, the microcontroller chip 130 has a pre-compiled storage disk, and the storage disk pre-stores a link address, the link address is used to point to the related information of the expansion dock. After the user connects the expansion dock to the computer device through the first USB interface 120, the computer device can be connected to the external device through the first expansion interface 110, and can communicate with the microcontroller chip 130 through the first USB interface 120 to access the storage disk in the microcontroller chip 130. By clicking the link address in the storage disk, the user can directly jump to view the related information of the expansion dock without opening the browser and manually inputting the website address to view the related information of the expansion dock, thereby simplifying the user operation, improving the use convenience of the expansion dock, being time-efficient, and improving the user experience. In addition, the microcontroller chip is used to pre-compile the storage link address, which has a lower cost compared with the storage chip.

[0056] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present application, but not limit them, and for those skilled in the art, the technical solutions recorded in the above embodiments can be modified, or some technical features can be replaced equivalently; all these modifications and replacements should belong to the protection scope of the claims of the present application.

Claims

1. An expansion circuit equipped with a storage disk, characterized in that, include: First extension interface; The first USB interface is used to connect to an external computer device, and the first USB interface is connected to the first expansion interface; The microcontroller chip has a pre-compiled storage disk containing link addresses that point to relevant information of the expansion circuit. The microcontroller chip also has transmission pins that are connected to the first USB interface. An external computer device can communicate with the microcontroller chip through the first USB interface to access the storage disk.

2. The extended circuit according to claim 1, characterized in that, The expansion circuit also includes a first hub chip. Multiple first expansion interfaces are provided, and the multiple first expansion interfaces are connected to the first hub chip. The first hub chip is also connected to the first USB interface and the transmission pin of the microcontroller chip. The first hub chip is used to expand the USB signal into multiple signals.

3. The extended circuit according to claim 2, characterized in that, The expansion circuit also includes a second hub chip and multiple second expansion interfaces. The multiple second expansion interfaces are connected to the second hub chip. The second hub chip is connected to the first hub chip and the first USB interface. The second hub chip is used to expand the USB signal into multiple signals.

4. The extended circuit according to claim 2, characterized in that, The expansion circuit also includes a voltage conversion circuit, which is connected to the first USB interface to obtain power through the first USB interface. The voltage conversion circuit is used to convert the power supply to voltage and then supply power to the expansion circuit.

5. The extended circuit according to claim 4, characterized in that, The expansion circuit also includes a charging interface and a switch switching circuit. The charging interface is used to input charging power. The switch switching circuit is connected to the first USB interface, the charging interface, and the voltage conversion circuit. The switch switching circuit is used to switch between transmitting the charging power input from the charging interface to the voltage conversion circuit or transmitting the power supplied by the first USB interface to the voltage conversion circuit.

6. The extended circuit according to claim 4, characterized in that, The expansion circuit further includes a first filtering circuit, which is disposed between the voltage conversion circuit and the power supply pin of the first hub chip, and is used to filter the voltage signal output by the voltage conversion circuit before transmitting it to the power supply pin of the first hub chip.

7. The extended circuit according to claim 4, characterized in that, The extended circuit further includes a second filtering circuit, which is disposed between the voltage conversion circuit and the power supply pin of the microcontroller chip. The second filtering circuit is used to filter the voltage signal output by the voltage conversion circuit and then transmit it to the power supply pin of the microcontroller chip.

8. The extended circuit according to claim 2, characterized in that, The first expansion interface includes one or more of the following: network interface, DP interface, HDMI interface, and SD card interface.

9. The extended circuit according to claim 3, characterized in that, The second expansion interface includes a USB-C interface and / or a USB-A interface.

10. A docking station, characterized in that, Includes the expansion circuit with a storage disk as described in any one of claims 1-9.

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