Control circuit of multifunctional USB docking station

Abstract

The utility model provides a control circuit of a multifunctional USB docking station, which comprises a Type-C interface circuit, the input end of the Type-C interface circuit can be connected with signal source equipment and a power supply, and the output end of the Type-C interface circuit is connected with the input end of a USB docking station main control circuit. The output end of the USB docking station main control circuit is connected with the input end of the storage device interface expansion circuit and the input end of the CD driver interface expansion circuit, the output end of the storage device interface expansion circuit is connected with the input end of the USB interface expansion circuit, and the USB interface expansion circuit can be connected into USB interface electronic equipment. The storage device interface expansion circuit can be connected with an SD storage card, a TF storage card and a mobile hard disk, and the CD-ROM interface expansion circuit can be connected with CD-ROM interface equipment. The USB docking station has the beneficial effects that USB interface electronic equipment, CD-ROM interface equipment and various storage equipment can be accessed to the USB docking station.

Description

Technical Field

[0001] The utility model relates to the technical field of circuits, and in particular to a control circuit of a multifunctional USB expansion dock. Background Art

[0002] A docking station, also known as a port replicator, is an external device designed specifically for electronic devices. By duplicating or even expanding the ports of electronic devices, electronic devices can be conveniently connected to multiple accessories or external devices (such as power adapters, network cables, mice, external keyboards, printers, and external monitors) in one stop. The functions of a docking station include connecting to external monitors, expanding USB interfaces, wired network connections, expanding audio interfaces, charging functions, data transmission and storage, etc. A USB docking station is a multi-functional device that can expand a single USB interface into multiple other interfaces to meet the needs of users in different scenarios. A USB docking station provides convenience for users, allowing them to enjoy the convenience of multi-interface expansion in different devices and scenarios.

[0003] With the widespread use of USB interfaces in smart electronic devices such as computers and mobile phones, USB docking stations have greatly satisfied users' demand for multiple interfaces, such as multiple USB ports and audio and video interfaces. However, existing USB docking stations generally lack optical drive interfaces and storage device interfaces, making them unsuitable for optical drive interface devices and storage devices, which many users frequently use. Therefore, existing USB docking stations still fail to meet people's needs in terms of functionality, and the user experience they provide is less than satisfactory. Utility Model Content

[0004] In order to solve the problems in the prior art, the present invention provides a control circuit for a multi-functional USB expansion dock. By arranging a Type-C interface circuit, a USB expansion dock main control circuit, a USB interface expansion circuit, a storage device interface expansion circuit and an optical drive interface expansion circuit that cooperate with each other in the control circuit of the multi-functional USB expansion dock, it is possible to connect not only USB interface electronic devices but also optical drive interface devices and a variety of storage devices to the USB expansion dock, thereby enriching the functions of the USB expansion dock and bringing people a better user experience. This solves the problem in the prior art that USB expansion docks generally do not have optical drive interfaces and storage device interfaces, resulting in a less than satisfactory user experience.

[0005] The utility model provides a control circuit of a multifunctional USB expansion dock, comprising a Type-C interface circuit, a USB expansion dock main control circuit, a USB interface expansion circuit, a storage device interface expansion circuit, and an optical drive interface expansion circuit. The input end of the Type-C interface circuit can be connected to a signal source device and a power supply, the output end of the Type-C interface circuit is connected to the input end of the USB expansion dock main control circuit, the output end of the USB expansion dock main control circuit is connected to the input end of the storage device interface expansion circuit and the input end of the optical drive interface expansion circuit, the output end of the storage device interface expansion circuit is connected to the input end of the USB interface expansion circuit, the output end of the USB interface expansion circuit can be connected to a USB interface electronic device, the output end of the storage device interface expansion circuit can also be connected to an SD memory card, a TF memory card, and a mobile hard disk, the output end of the optical drive interface expansion circuit can be connected to an optical drive interface device, and the signal source device can be communicatively connected with the electronic devices connected to the USB interface expansion circuit, the storage device interface expansion circuit, and the optical drive interface expansion circuit through the USB expansion dock main control circuit.

[0006] The present utility model is further improved. A main control chip U1 is provided in the main control circuit of the USB expansion dock. The main control chip U1 is provided with 28 pins. Pins 11, 12, and 23 of the main control chip U1 are connected to the output end of the Type-C interface circuit, pins 2 and 3 of the main control chip U1 are connected to the input end of the storage device interface expansion circuit, and pins 27 and 28 of the main control chip U1 are connected to the input end of the optical drive interface expansion circuit.

[0007] The present utility model is further improved. A Type-C interface J1 is provided in the Type-C interface circuit. The Type-C interface J1 has 16 pins. The A4 pin of the Type-C interface J1 is connected to the power supply, the B6, B7, and B9 pins of the Type-C interface J1 are respectively connected to the 12th, 11th, and 23rd pins of the main control chip U1, and the A5, A6, and A7 pins of the Type-C interface J1 can be connected to a signal source device.

[0008] The utility model is further improved. An optical drive interface chip U3 is provided in the optical drive interface expansion circuit. The optical drive interface chip U3 has 41 pins. Pins 7 and 8 of the optical drive interface chip U3 are respectively connected to pins 28 and 27 of the main control chip U1. Pins 22, 23, 27 and 28 of the optical drive interface chip U3 can be connected to the optical drive interface device.

[0009] The utility model is further improved. A storage device interface chip U2 is provided in the storage device interface expansion circuit. The storage device interface chip U2 is provided with 28 pins. Pins 4 and 5 of the storage device interface chip U2 are respectively connected to pins 2 and 3 of the main control chip U1. Pins 6 and 7 of the storage device interface chip U2 are connected to the input end of the USB interface expansion circuit. Pins 20, 21, 22, 23, 25, 26 and 27 of the storage device interface chip U2 can be connected to SD memory cards, TF memory cards and mobile hard disks.

[0010] The utility model is further improved. A USB interface J2 is provided in the USB interface expansion circuit. The input end of the USB interface J2 is provided with 4 pins. The 2nd and 3rd pins of the USB interface J2 are respectively connected to the 6th and 7th pins of the storage device interface chip U2. The output end of the USB interface J2 can be connected to a USB interface electronic device.

[0011] The present invention is further improved, and the model of the main control chip U1 is GL850S-63.

[0012] The present invention is further improved, and the model of the optical drive interface chip U3 is QFN40-5X5-0D4.

[0013] The present invention is further improved in that the model of the storage device interface chip U2 is GL857L.

[0014] Compared with the prior art, the beneficial effects of the present invention are: providing a control circuit for a multi-functional USB expansion dock, by arranging a Type-C interface circuit, a USB expansion dock main control circuit, a USB interface expansion circuit, a storage device interface expansion circuit and an optical drive interface expansion circuit that cooperate with each other in the control circuit of the multi-functional USB expansion dock, a signal source device can communicate and connect with the electronic devices connected to the USB interface expansion circuit, the storage device interface expansion circuit and the optical drive interface expansion circuit through the USB expansion dock main control circuit, and can achieve that not only USB interface electronic devices but also optical drive interface devices and multiple storage devices can be connected to the USB expansion dock, enriching the functions of the USB expansion dock, bringing people a better user experience, and solving the problem in the prior art that the USB expansion dock generally does not have an optical drive interface and a storage device interface, resulting in a poor user experience for people. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a functional block diagram of a control circuit of a multifunctional USB expansion dock of the present invention;

[0017] Figure 2 This is a circuit diagram of the main control circuit of the USB expansion dock of the present utility model;

[0018] Figure 3 This is a circuit diagram of the Type-C interface circuit of the present utility model;

[0019] Figure 4 This is a circuit diagram of the optical drive interface expansion circuit of the present utility model;

[0020] Figure 5 A circuit diagram of a storage device interface expansion circuit of the present utility model;

[0021] Figure 6 This is a circuit diagram of the USB interface expansion circuit of the present utility model. DETAILED DESCRIPTION

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this utility model belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The terms "including" and "having" and any variations thereof in the specification and claims of this utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this utility model or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0023] References to "embodiments" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0025] like Figure 1-6 As shown, the utility model provides a control circuit of a multifunctional USB expansion dock, including a Type-C interface circuit, a USB expansion dock main control circuit, a USB interface expansion circuit, a storage device interface expansion circuit and an optical drive interface expansion circuit. The input end of the Type-C interface circuit can be connected to a signal source device and a power supply, the output end of the Type-C interface circuit is connected to the input end of the USB expansion dock main control circuit, the output end of the USB expansion dock main control circuit is connected to the input end of the storage device interface expansion circuit and the input end of the optical drive interface expansion circuit, the output end of the storage device interface expansion circuit is connected to the input end of the USB interface expansion circuit, the output end of the USB interface expansion circuit can be connected to a USB interface electronic device, the output end of the storage device interface expansion circuit can also be connected to an SD memory card, a TF memory card and a mobile hard disk, and the output end of the optical drive interface expansion circuit can be connected to an optical drive interface device. In this embodiment, a signal source device can communicate with electronic devices connected to the USB interface expansion circuit, storage device interface expansion circuit, and optical drive interface expansion circuit via the USB docking station's main control circuit. This allows the USB docking station to connect not only USB interface electronic devices but also optical drive interface devices and various storage devices, enriching the functionality of the USB docking station and providing a better user experience. An SD memory card (Secure Digital Memory Card) is a memory card based on semiconductor flash memory technology, and a TF memory card, also known as a microSD, is an extremely small flash memory card.

[0026] like Figure 2 As shown, the USB docking station main control circuit includes a main control chip U1. The model of main control chip U1 is GL850S-63. Main control chip U1 has 28 pins. Pins 11, 12, and 23 of main control chip U1 are connected to the output of the Type-C interface circuit. Pins 2 and 3 of main control chip U1 are connected to the input of the storage device interface expansion circuit. Pins 27 and 28 of main control chip U1 are connected to the input of the optical drive interface expansion circuit. In this embodiment, the USB docking station main control circuit serves as a transfer station for communication between a signal source device and electronic devices connected to the USB interface expansion circuit, storage device interface expansion circuit, and optical drive interface expansion circuit.

[0027] like Figure 3As shown, the Type-C interface circuit includes a Type-C interface J1, which has 16 pins. Pin A4 of Type-C interface J1 is connected to the power supply, and pins B6, B7, and B9 of Type-C interface J1 are connected to pins 12, 11, and 23 of the main control chip U1, respectively. Pins A5, A6, and A7 of Type-C interface J1 can be connected to a signal source device. In this embodiment, the Type-C interface is used to connect to a signal source device, a power supply, and the main control circuit of the USB docking station.

[0028] like Figure 4 As shown, the optical drive interface expansion circuit includes an optical drive interface chip U3. The model of optical drive interface chip U3 is QFN40-5X5-0D4. Optical drive interface chip U3 has 41 pins. Pins 7 and 8 of optical drive interface chip U3 are connected to pins 28 and 27 of main control chip U1, respectively. Pins 22, 23, 27, and 28 of optical drive interface chip U3 can be connected to an optical drive interface device. In this embodiment, the optical drive interface expansion circuit is used to connect to an optical drive interface device.

[0029] like Figure 5 As shown, the storage device interface expansion circuit is provided with a storage device interface chip U2. The model of storage device interface chip U2 is GL857L. Storage device interface chip U2 has 28 pins. Pins 4 and 5 of storage device interface chip U2 are connected to pins 2 and 3 of main control chip U1, respectively. Pins 6 and 7 of storage device interface chip U2 are connected to the input end of the USB interface expansion circuit. Pins 20, 21, 22, 23, 25, 26, and 27 of storage device interface chip U2 can be connected to SD memory cards, TF memory cards, and mobile hard disks. In this embodiment, the storage device interface expansion circuit is used to connect to SD memory cards, TF memory cards, and mobile hard disks, and is also used to expand more USB interfaces, that is, to connect to the USB interface expansion circuit.

[0030] like Figure 6 As shown, the USB interface expansion circuit includes a USB interface J2. The input end of USB interface J2 has four pins. Pins 2 and 3 of USB interface J2 are connected to pins 6 and 7 of storage device interface chip U2, respectively. The output end of USB interface J2 can be connected to a USB interface electronic device. In this embodiment, the USB interface expansion circuit is used to connect to a USB interface electronic device.

[0031] As can be seen from the above, the utility model provides a control circuit of a multi-functional USB expansion dock. By arranging a Type-C interface circuit, a USB expansion dock main control circuit, a USB interface expansion circuit, a storage device interface expansion circuit and an optical drive interface expansion circuit that cooperate with each other in the control circuit of the multi-functional USB expansion dock, a signal source device can communicate and connect with the electronic devices connected to the USB interface expansion circuit, the storage device interface expansion circuit and the optical drive interface expansion circuit through the USB expansion dock main control circuit, so that not only USB interface electronic devices but also optical drive interface devices and multiple storage devices can be connected to the USB expansion dock, which enriches the functions of the USB expansion dock, brings people a better user experience, and solves the problem in the prior art that USB expansion docks generally do not have optical drive interfaces and storage device interfaces, resulting in a poor user experience for people.

[0032] The specific implementation methods described above are preferred implementation methods of the present invention, and are not intended to limit the specific implementation scope of the present invention. The scope of the present invention includes but is not limited to the specific implementation methods. All equivalent changes made in accordance with the present invention are within the protection scope of the present invention.

Claims

1. A control circuit for a multifunctional USB docking station, characterized by: The present invention comprises a Type-C interface circuit, a USB expansion dock main control circuit, a USB interface expansion circuit, a storage device interface expansion circuit and an optical drive interface expansion circuit. The input end of the Type-C interface circuit can be connected to a signal source device and a power supply. The output end of the Type-C interface circuit is connected to the input end of the USB expansion dock main control circuit. The output end of the USB expansion dock main control circuit is connected to the input end of the storage device interface expansion circuit and the input end of the optical drive interface expansion circuit. The output end of the storage device interface expansion circuit is connected to the input end of the USB interface expansion circuit. The output end of the USB interface expansion circuit can be connected to a USB interface electronic device. The output end of the storage device interface expansion circuit can also be connected to an SD memory card, a TF memory card and a mobile hard disk. The output end of the optical drive interface expansion circuit can be connected to an optical drive interface device. The signal source device can be communicatively connected with the electronic devices connected to the USB interface expansion circuit, the storage device interface expansion circuit and the optical drive interface expansion circuit through the USB expansion dock main control circuit.

2. The control circuit of the multifunctional USB docking station according to claim 1, characterized in that: The USB expansion dock main control circuit is provided with a main control chip U1, and the main control chip U1 is provided with 28 pins. Pins 11, 12, and 23 of the main control chip U1 are connected to the output end of the Type-C interface circuit, pins 2 and 3 of the main control chip U1 are connected to the input end of the storage device interface expansion circuit, and pins 27 and 28 of the main control chip U1 are connected to the input end of the optical drive interface expansion circuit.

3. The control circuit of the multifunctional USB docking station according to claim 2, wherein: The Type-C interface circuit is provided with a Type-C interface J1, which has 16 pins. The A4 pin of the Type-C interface J1 is connected to the power supply, the B6, B7, and B9 pins of the Type-C interface J1 are respectively connected to the 12th, 11th, and 23rd pins of the main control chip U1, and the A5, A6, and A7 pins of the Type-C interface J1 can be connected to a signal source device.

4. The control circuit of the multifunctional USB docking station according to claim 3, wherein: An optical drive interface chip U3 is provided in the optical drive interface expansion circuit. The optical drive interface chip U3 has 41 pins. Pins 7 and 8 of the optical drive interface chip U3 are respectively connected to pins 28 and 27 of the main control chip U1. Pins 22, 23, 27 and 28 of the optical drive interface chip U3 can be connected to the optical drive interface device.

5. The control circuit of the multifunctional USB docking station according to claim 4, characterized in that: A storage device interface chip U2 is provided in the storage device interface expansion circuit. The storage device interface chip U2 has 28 pins. Pins 4 and 5 of the storage device interface chip U2 are respectively connected to pins 2 and 3 of the main control chip U1. Pins 6 and 7 of the storage device interface chip U2 are connected to the input end of the USB interface expansion circuit. Pins 20, 21, 22, 23, 25, 26, and 27 of the storage device interface chip U2 can be connected to SD memory cards, TF memory cards, and mobile hard disks.

6. The control circuit of the multifunctional USB docking station according to claim 5, characterized in that: The USB interface expansion circuit is provided with a USB interface J2, and the input end of the USB interface J2 is provided with 4 pins. The 2nd and 3rd pins of the USB interface J2 are respectively connected to the 6th and 7th pins of the storage device interface chip U2. The output end of the USB interface J2 can be connected to a USB interface electronic device.

7. The control circuit of the multifunctional USB docking station according to claim 6, characterized in that: The model of the main control chip U1 is GL850S-63.

8. The control circuit of the multifunctional USB docking station according to claim 7, wherein: The model of the optical drive interface chip U3 is QFN40-5X5-0D4.

9. The control circuit of the multifunctional USB docking station according to claim 8, characterized in that: The model of the storage device interface chip U2 is GL857L.

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