Docking station applied to POS machine

Abstract

The utility model provides a docking station applied to a POS machine. The docking station comprises: a housing; the USB-A interface, the USB-C interface, the RJ12 interface and the power interface are arranged on the shell; the USB-C connector extends relative to the shell through a data line; the docking station circuit is arranged in the shell and comprises an MCU chip, an HUB chip, an overvoltage protection module, a switch module and a voltage stabilizing module, the power interface supplies power to the MCU chip through the overvoltage protection module, the switch module and the voltage stabilizing module and supplies power to an accessed cashbox through the RJ12 interface, the overvoltage protection module is electrically connected to the USB-C interface, the switch module is electrically connected to the USB-C connector, and the HUB chip is electrically connected to the USB-C connector. The USB-C connector is used for accessing a POS machine, an uplink interface of the HUB chip is in communication connection with the USB-C connector, a first downlink interface of the HUB chip is in communication connection with the USB-A interface, a second downlink interface of the HUB chip is in communication connection with the USB-C interface through the MCU chip, the USB-C interface is used for accessing an upper computer, and the RJ12 interface is in communication connection with the MCU chip. According to the utility model, the external port configuration of the POS machine can be enriched, and convenience is provided for the connection of peripherals and the expansion of the functions of the POS machine.

Description

Technical Field

[0001] This utility model belongs to the field of POS machine accessories, and more specifically, relates to an expansion dock for use with POS machines. Background Technology

[0002] Globally, especially in Europe and America, using POS machines for card payments is a very common practice. With the development of internet technology and the widespread adoption of the Android system on POS machines, more and more peripherals need to be connected to these machines to perform specific functions. However, existing POS machines typically only have one USB port for charging, which creates problems for connecting peripherals and expanding the functionality of the POS machine. Utility Model Content

[0003] The purpose of this invention is to solve the problem that the external port configuration of existing POS machines limits the expansion of POS machine functions.

[0004] To achieve the above objectives, this utility model provides an expansion dock for use in POS machines, the expansion dock comprising:

[0005] case;

[0006] The housing includes a USB-A port, a USB-C port, an RJ12 port, and a power port.

[0007] A USB-C connector is provided via a data cable extending relative to the housing;

[0008] The expansion dock circuit, housed within the casing, includes an MCU chip, a HUB chip, an overvoltage protection module, a switching module, and a voltage regulator module.

[0009] The power interface supplies power to the MCU chip sequentially through the overvoltage protection module, the switching module, and the voltage regulator module, and supplies power to the connected cash drawer through the RJ12 interface.

[0010] The overvoltage protection module is electrically connected to the USB-C interface, and the switch module is electrically connected to the USB-C connector. The USB-C connector is used to connect to a POS machine.

[0011] The uplink interface of the HUB chip is communicatively connected to the USB-C connector, the first downlink interface of the HUB chip is communicatively connected to the USB-A interface, and the second downlink interface of the HUB chip is communicatively connected to the USB-C interface through the MCU chip. The USB-C interface is used to connect to a host computer.

[0012] The RJ12 interface is connected to the MCU chip for communication.

[0013] Alternatively, the housing may have opposing first and second sides;

[0014] The USB-A interface, the USB-C interface, the RJ12 interface, and the power interface are located on the first side.

[0015] The end of the data cable furthest from the USB-C connector passes through the second side and connects to the uplink interface of the HUB chip.

[0016] Optionally, a number of function association keys are also provided on the top surface of the housing, and the function association keys are communicatively connected to the MCU chip.

[0017] The beneficial effects of this utility model are as follows:

[0018] This utility model discloses a POS machine expansion dock, which features a USB-A interface, a USB-C interface, an RJ12 interface, and a power interface, as well as a USB-C connector extending via a data cable. The USB-C connector is used to connect to the POS machine; the USB-A interface is used to connect peripherals such as printers or keyboards; the USB-C interface is used to connect to an electronic cash register; the RJ12 interface is used to connect to the cash drawer; and the power interface is used to connect an adapter to power the cash drawer via the RJ12 interface and the POS machine via the USB-C connector. Using this POS machine expansion dock enriches the external port configuration of the POS machine, facilitating the connection of peripherals and the expansion of POS machine functions.

[0019] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0020] This invention can be better understood by referring to the following description taken in conjunction with the accompanying drawings, in which the same or similar reference numerals are used throughout the drawings to denote the same or similar parts.

[0021] Figure 1 A schematic diagram of a docking station applied to a POS machine according to an embodiment of the present invention is shown;

[0022] Figure 2 A schematic block diagram of an expansion dock for a POS machine according to an embodiment of the present invention is shown. Detailed Implementation

[0023] To enable those skilled in the art to more fully understand the technical solution of this utility model, exemplary embodiments of this utility model will be described more comprehensively and in detail below with reference to the accompanying drawings. Obviously, the one or more embodiments of this utility model described below are merely one or more specific ways to implement the technical solution of this utility model, and are not exhaustive. It should be understood that other ways belonging to a general inventive concept can be used to implement the technical solution of this utility model, and it should not be limited to the embodiments described exemplary. Based on one or more embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0024] Example: Figure 1 This diagram illustrates the structure of an expansion dock for a POS machine according to an embodiment of the present invention. Figure 2 A schematic block diagram of an expansion dock for a POS machine according to an embodiment of the present invention is shown.

[0025] Reference Figure 1 and Figure 2 The expansion dock for a POS machine according to an embodiment of this utility model includes:

[0026] Casing 100;

[0027] The housing 100 includes a USB-A port 110, a USB-C port 120, an RJ12 port 130, and a power port 140.

[0028] A USB-C connector 160 is provided via a data cable 150 extending relative to the housing 100;

[0029] An expansion dock circuit is disposed within the housing 100. The expansion dock circuit includes an MCU chip 210, a HUB chip 220, an overvoltage protection module 230, a switching module 240, and a voltage regulator module 250.

[0030] The power interface 140 supplies power to the MCU chip 210 sequentially through the overvoltage protection module 230, the switching module 240, and the voltage regulator module 250, and supplies power to the connected cash drawer through the RJ12 interface 130.

[0031] The overvoltage protection module 230 is electrically connected to the USB-C interface 120, and the switch module 240 is electrically connected to the USB-C connector 160. The USB-C connector 160 is used to connect to the POS machine.

[0032] The uplink interface of the HUB chip 220 is communicatively connected to the USB-C connector 160, the first downlink interface of the HUB chip 220 is communicatively connected to the USB-A interface 110, the second downlink interface of the HUB chip 220 is communicatively connected to the first USB port of the MCU chip 210, and the second USB port of the MCU chip 210 is communicatively connected to the USB-C interface 120. The USB-C interface 120 is used to connect to a host computer.

[0033] The RJ12 interface 130 is connected to the MCU chip 210 for communication.

[0034] Specifically, in this embodiment of the present invention, an electrical connection means that the two corresponding objects can only transmit power and not data; a communication connection means that the two corresponding objects can transmit both data and power.

[0035] Specifically, in this embodiment of the present invention, the third downlink interface of the HUB chip 220 can be connected to a USB to Ethernet chip to enable internet access.

[0036] Furthermore, in this embodiment of the present invention, the housing 100 has opposing first and second sides;

[0037] The USB-A interface 110, USB-C interface 120, RJ12 interface 130 and power interface 140 are disposed on the first side of the housing 100;

[0038] The end of the data cable 150 away from the USB-C connector 160 is connected to the uplink interface of the HUB chip 220 after passing through the second side of the housing 100.

[0039] Furthermore, in this embodiment of the present invention, three function association keys 170 are also provided on the top surface of the housing 100, and the function association keys 170 are communicatively connected to the MCU chip 210.

[0040] Specifically, Figure 2In this embodiment, paths with arrows represent USB transmission paths that can perform both power transmission and data transmission, while paths without arrows represent pure power transmission paths. In this embodiment, the USB-C connector 160 is used to connect to the POS machine; the RJ12 interface 130 is used to connect to the cash drawer or other serial port devices; the power interface 140 is used to connect to the adapter to power the cash drawer via the RJ12 interface 130, and to power the MCU chip 210 sequentially via the overvoltage protection module 230, the switch module 240, and the voltage regulator module 250, and to power the POS machine sequentially via the overvoltage protection module 230, the switch module 240, and the USB-C connector 160; the USB-A interface 110 is used to connect to the printer 300; the USB-C interface 120 is used to connect to the electronic cash register 400. The electronic cash register 400 can be electrically connected to the overvoltage protection module 230 via the USB-C interface 120, and can directly power the MCU chip 210 and the POS machine via the appropriate power transmission path when needed.

[0041] Specifically, in this embodiment of the present invention, the MCU chip 210 is implemented using a CH32V307WCU6 chip, the HUB chip 220 is implemented using a CH334U chip, the overvoltage protection module 230 is implemented using an OVP chip, the switch module 240 is implemented using a switch chip, and the voltage regulator module 250 is implemented using an LDO chip.

[0042] Specifically, in this embodiment of the present invention, when the power interface 140 is connected to an adapter, the power output of the USB-A interface 110 is 4.5W (5V / 0.9A), and when the power interface 140 is not connected to an adapter, the power output of the USB-A interface 110 is 0.5W (5V / 0.1A).

[0043] Specifically, in this embodiment of the present invention, the electronic cash register 400 can send transaction instructions to the POS machine via the USB-C interface 120, MCU chip 210, HUB chip 220 and USB-C connector 160. The POS machine can also upload payment data or results to the electronic cash register 400 via the USB-C connector 160, HUB chip 220, MCU chip 210 and USB-C interface 120. The POS machine can send printing data to the printer 300 via the USB-C connector 160, HUB chip 220 and USB-A connector 110.

[0044] Specifically, in this embodiment of the invention, a function association key 170 located on the top surface of the housing 100 is used to associate predetermined functions of the POS machine. When the user presses the function association key 170, the MCU chip 210 interacts with the POS machine through the HUB chip 220 and the USB-C connector 160 to send corresponding execution instructions to the POS machine. After receiving the execution instructions, the POS machine performs the corresponding operation. This configuration enables predetermined quick operations relative to the POS machine, such as canceling a transaction, to be achieved via the docking station.

[0045] While one or more embodiments of the present invention have been described above, those skilled in the art will recognize that the present invention can be implemented in any other form without departing from its spirit and scope. Therefore, the embodiments described above are illustrative and not restrictive, and many modifications and substitutions will be apparent to those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A docking station applied to a POS machine, characterized in that, The utility model relates to a POS machine extension dock, including: A shell; A USB-A interface, a USB-C interface, an RJ12 interface and a power interface arranged on the shell; A USB-C connector arranged on the shell through a data line; A docking station circuit arranged in the shell, the docking station circuit comprising an MCU chip, a HUB chip, an overvoltage protection module, a switch module and a voltage stabilizing module, The power interface sequentially supplies power to the MCU chip through the overvoltage protection module, the switch module and the voltage stabilizing module, and supplies power to the cashbox connected through the RJ12 interface, The overvoltage protection module is electrically connected to the USB-C interface, the switch module is electrically connected to the USB-C connector, and the USB-C connector is used for connecting a POS machine, The uplink interface of the HUB chip is in communication connection with the USB-C connector, the first downlink interface of the HUB chip is in communication connection with the USB-A interface, the second downlink interface of the HUB chip is in communication connection with the USB-C interface through the MCU chip, the USB-C interface is used for connecting a host computer, and the RJ12 interface is in communication connection with the MCU chip.

2. The docking station for POS machine according to claim 1, wherein, The shell has opposite first and second side surfaces; The USB-A interface, the USB-C interface, the RJ12 interface and the power interface are arranged on the first side surface; One end of the data line away from the USB-C connector is connected to the uplink interface of the HUB chip after penetrating through the second side surface.

3. The docking station for POS machine according to claim 2, wherein, A plurality of function-related keys are further arranged on the top surface of the shell and are in communication connection with the MCU chip.

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