Human-computer interface USB voltage stabilization docking station

Abstract

The utility model belongs to the technical field of industrial equipment, and discloses a man-machine interface USB voltage stabilization docking station which comprises a docking station body, one side of the docking station body is provided with a power line and a USB data line, one end of the power line is provided with a power supply wiring terminal, one end of the USB data line is provided with a USB connector, and the other end of the power supply wiring terminal is provided with a USB interface. An expansion assembly is installed on the side, away from the power line and the USB data line, of the expansion dock body, a power management module and a switching chip are installed in the expansion dock body, the USB data line is connected with the expansion assembly through the switching chip, and the power line is connected with the switching chip through the power management module. According to the utility model, the power line and the USB data line are separated and independently arranged, so that the USB data line only transmits data, and the power line is independently connected with the human-computer interface through the one-to-two wiring terminal, so that stable rated current output is provided, and the problem that the code scanning gun is difficult to operate normally due to insufficient power of a power supply is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of industrial equipment, in particular to a USB voltage-stabilizing expansion dock for a human-machine interface. Background Art

[0002] Human-machine interface (HMI) refers to the interface for interaction and communication between humans and machines. It is an important component of various automation systems such as industrial control systems, computer systems, and robotic systems. HMI is designed to provide an intuitive and easy-to-understand interface that enables users to effectively monitor and control the operating status of the system.

[0003] At present, on industrial machinery and equipment, the human-machine interface display screen mainly performs the control and display function of human-machine interaction. However, since the current human-machine interface USB interface is a two-in-one power supply and data type, the current power is relatively low to ensure data transmission. As a result, when connecting a USB barcode scanner, the barcode scanner may become disconnected, stuck, or inoperative due to reasons such as current supply, on-site interference, and the design of the human-machine interface touch screen itself. In addition, due to insufficient power supply, the power of the wireless transmitter connected to the USB interface is also reduced, making it difficult for the wireless barcode scanner to work normally. Utility Model Content

[0004] The purpose of the utility model is to provide a USB voltage-stabilized expansion docking station for a human-machine interface to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a human-machine interface USB voltage-stabilized expansion dock, comprising an expansion dock body, one side of the expansion dock body is respectively provided with a power line and a USB data line, one end of the power line is installed with a power connection terminal, and one end of the USB data line is installed with a USB connector;

[0006] An expansion component is installed on the side of the expansion dock body away from the power cord and the USB data cable. A power management module and an adapter chip are respectively installed in the expansion dock body. The USB data cable is connected to the expansion component through the adapter chip, and the power cord is connected to the adapter chip through the power management module.

[0007] Preferably, the expansion component includes at least two USB interfaces, and the adapter chip is respectively data-connected to the at least two USB interfaces.

[0008] Preferably, a buffer plate is fixedly connected around one side of the expansion dock body close to the USB interface, and the buffer plate is rolled into a cylindrical shape with one side open.

[0009] Preferably, two connecting plates are fixedly connected to the lower end of the expansion dock body, and mounting holes are provided on the surfaces of the connecting plates.

[0010] Preferably, a fixing screw is provided in the mounting hole.

[0011] Preferably, a reinforcing block A and a reinforcing block B are fixedly connected to the connection points between the two connecting plates and the expansion dock body, respectively.

[0012] Preferably, the reinforcing block A is arranged on the surface of the connecting plate close to the USB interface and is arranged on the outer side, and the reinforcing block B is arranged on the surface of the connecting plate away from the USB interface and is arranged on the inner side.

[0013] Preferably, the power terminal is a one-to-two terminal.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model separates the power cord and the USB data cord and sets them up independently, so that the USB data cord only transmits data, and the power cord is connected to the human-machine interface through a one-to-two terminal block, providing a stable rated current output, reducing the problem of the barcode scanner being difficult to operate normally due to insufficient power.

[0016] 2. The utility model transforms the original downward-facing interface of the human-machine interface into an interface facing the side of the expansion dock body by setting up an expansion dock body, which is also convenient for users to blindly plug connectors from the front of the human-machine interface, thereby improving usage efficiency, and setting up two or more USB interfaces to improve expandability.

[0017] 3. The utility model provides a connecting plate with mounting holes, so that the expansion dock body can be installed at the original interface position of the human-machine interface without affecting the normal installation of the original connector. It only needs to insert the screws at both ends of the original connector into the mounting holes. The connecting plate can be fixed while the connector is fixed. In addition, when there is no plug connection, the two additional fixing screws can also facilitate the installation of the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the utility model for displaying a USB interface and its surrounding structures;

[0020] Figure 3 This is a disassembled diagram for showing the connecting plate and fixing screws of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the utility model for showing the back side of the connecting plate;

[0022] Figure 5This is a schematic diagram of the utility model for displaying the internal structure of the expansion dock body.

[0023] In the figure: 1. Expansion dock body; 2. Power cord; 21. Power terminal; 3. USB data cable; 31. USB connector; 4. USB interface; 41. Buffer board; 5. Connecting board; 51. Fixing screws; 52. Reinforcement block A; 53. Reinforcement block B. DETAILED DESCRIPTION

[0024] 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 in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 5 As shown, an embodiment of the utility model provides a human-machine interface USB voltage-stabilized expansion dock, including an expansion dock body 1, the expansion dock body 1 is in the shape of a square, a power cord 2 and a USB data cord 3 are respectively arranged on one side of the expansion dock body 1, and the two are independently arranged, a power connection terminal 21 is installed at one end of the power cord 2, and a USB connector 31 is installed at one end of the USB data cord 3, an expansion component is installed on the side of the expansion dock body 1 away from the power cord 2 and the USB data cord 3, a power management module and a converter chip are respectively installed in the expansion dock body 1, the USB data cable 3 is connected to the expansion component through the converter chip, and the power cord 2 is connected to the converter chip through the power management module.

[0026] Specifically, the human-machine interface of existing industrial equipment mostly provides 24V voltage power supply, and the external 24V voltage connected to the power line 2 is converted into a stable 5v 1.5A power through the power management module, thereby powering the adapter chip, and then powering the expansion components connected to the adapter chip, providing continuous and stable power supply. In addition, since the USB data line 3 is also independently set, the USB data line 3 can provide a data connection for the adapter chip, and there is no need for the USB connector 31 to bear the additional power supply function, thereby ensuring the stability of data transmission and anti-interference strength.

[0027] like Figure 1 , Figure 2 , Figure 5 As shown, in this embodiment, the expansion component includes at least two USB interfaces 4, and the adapter chip is respectively connected to the data of at least two USB interfaces 4. By setting at least two USB interfaces 4, it is convenient to expand more interfaces and access more devices. Moreover, since the power is supplied separately through the power cord 2, the stability of each multi-access device is improved.

[0028] Furthermore, a buffer plate 41 is fixedly connected around one side of the expansion dock body 1 close to the USB port 4. The buffer plate 41 is rolled into a cylindrical shape with one side open. The buffer plate 41 can be set to a material such as plastic, rubber, etc., which has a certain toughness and strength. In this way, when inserting a terminal device plug into the USB port 4, it can avoid vibration damage to the surrounding area of ​​the USB port 4 caused by the terminal device plug due to excessive insertion strength. By bending into a cylindrical shape with one side open, it can cause a certain deformation when contacting the device plug, thereby absorbing part of the force of the plug insertion, forming a shock absorbing effect, and thus extending the service life of the USB port 4 to a certain extent.

[0029] like Figure 3 and Figure 4 As shown, in the present embodiment, two connecting plates 5 are fixedly connected to the lower end of the expansion dock body 1, and mounting holes are provided on the surface of the connecting plates 5. The mounting holes are in the shape of long strips, which are convenient for selecting a suitable mounting height. Under normal conditions, the expansion dock body 1 can be attached to the back of the human-machine interface, and the connecting plates 5 can be inserted into the interface position on the back of the human-machine interface, and can be assisted in installation through the original joint with tightening screws of the human-machine interface. By inserting the tightening screws into the mounting holes and connecting the joints, the connecting plates 5 and the expansion dock body 1 can also be fixed.

[0030] It is worth noting that most of the existing industrial equipment human-machine interface rear interfaces are placed downward, so the device is installed with the end with the connecting plate 5 facing downward. At this time, the power cord 2 and the USB data cable 3 are distributed on one side of the expansion dock body 1, and the USB interface 4 is distributed on the other side of the expansion dock body 1. The USB interface 4 is set to the side after the original interface of the human-machine interface that was originally facing downward is transferred. This makes it convenient for the user facing the human-machine interface to insert the terminal device into the transfer interface sideways, and the USB interface 4 facing the side is also convenient for the user to observe, avoiding the interface facing downward, which is inconvenient for the user to observe, and then causing the problem of inaccurate insertion of the connector by groping.

[0031] Furthermore, a fixing screw 51 is provided in the mounting hole. By providing the fixing screw 51 , when the human-machine interface does not need to install a joint with a fastening screw, the connecting plate 5 can be fixed separately by tightening the fixing screw 51 .

[0032] Furthermore, in this embodiment, the connection points between the two connecting plates 5 and the expansion dock body 1 are fixedly connected with reinforcing blocks A52 and B53 respectively. The reinforcing blocks A52 and B53 can improve the lateral tensile strength of the two connecting plates 5 to avoid breakage.

[0033] Among them, the reinforcing block A52 is arranged on the surface of the connecting plate 5 close to the USB interface 4 and is arranged on the outer side, and the reinforcing block B53 is arranged on the surface of the connecting plate 5 away from the USB interface 4 and is arranged on the inner side.

[0034] Specifically, since the expansion dock body 1 is mainly fixed and stressed by the tightened connecting plate 5 during installation, a lateral force will be applied to the expansion dock body 1 when the interface is inserted into the USB interface 4. This force will cause the connecting plate 5 close to the USB interface 4 to move toward the side close to the expansion dock body 1, and then be subjected to a relative extrusion force of the expansion dock body 1, that is, an extrusion toward the outside. Therefore, the reinforcing block A52 arranged on the outside can effectively resist the extrusion of this force. Conversely, the connecting plate 5 away from the USB interface 4 will be subjected to a force away from the expansion dock body 1. Since the connecting plate 5 is fixed by the fixing screw 51, the fixing screw 51 will apply a reverse extrusion force to the connecting plate 5, that is, an extrusion toward the inside. Therefore, the reinforcing block B53 arranged on the inside can effectively resist the extrusion of this force and enhance the bearing capacity of the connecting plate 5.

[0035] The power connection terminal 21 is a one-to-two connection terminal, which is more secure after connection and transmits more stable current.

[0036] Working principle:

[0037] By placing the expansion dock body 1 with two connecting plates 5 on the back of the human-machine interface, and placing the connecting plate 5 at the interface position with the back of the human-machine interface facing down, fix the connecting plate 5 by tightening the fixing screws 51, and then pull out the power cord 2 and USB data cable 3 led out from one side of the expansion dock body 1, and insert the power terminal 21 and the USB connector 31 into the corresponding power and data interfaces on the back of the human-machine interface respectively, the installation can be completed. When the barcode scanner needs to be connected, it can be directly connected from the USB interface 4 on one side of the expansion dock body 1.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A USB voltage-stabilized expansion dock with a human-machine interface, characterized in that: The expansion dock body (1) comprises a power cord (2) and a USB data cord (3) respectively arranged on one side of the expansion dock body (1); a power connection terminal (21) is installed at one end of the power cord (2); and a USB connector (31) is installed at one end of the USB data cord (3); An expansion component is installed on a side of the expansion dock body (1) away from the power line (2) and the USB data line (3); a power management module and an adapter chip are respectively installed in the expansion dock body (1); the USB data line (3) is connected to the expansion component via the adapter chip; and the power line (2) is connected to the adapter chip via the power management module.

2. The USB voltage-stabilized expansion docking station for a human-machine interface according to claim 1, characterized in that: The expansion component comprises at least two USB interfaces (4), and the adapter chip is respectively data-connected to the at least two USB interfaces (4).

3. A USB voltage-stabilized docking station for a human-machine interface according to claim 2, characterized in that: A buffer plate (41) is fixedly connected around one side of the expansion dock body (1) close to the USB interface (4), and the buffer plate (41) is rolled into a cylindrical shape with one side open.

4. The USB voltage-stabilized docking station for a human-machine interface according to claim 3, characterized in that: Two connecting plates (5) are fixedly connected to the lower end of the expansion dock body (1), and mounting holes are provided on the surfaces of the connecting plates (5).

5. The USB voltage-stabilized expansion docking station for a human-machine interface according to claim 4, characterized in that: A fixing screw (51) is arranged in the mounting hole.

6. The USB voltage-stabilized expansion docking station for a human-machine interface according to claim 4, characterized in that: A reinforcing block A (52) and a reinforcing block B (53) are respectively fixedly connected at the connection points between the two connecting plates (5) and the docking station body (1).

7. A USB voltage-stabilized expansion docking station for a human-machine interface according to claim 6, characterized in that: The reinforcing block A (52) is arranged on the surface of the connecting plate (5) on the side close to the USB interface (4) and is arranged on the outer side, and the reinforcing block B (53) is arranged on the surface of the connecting plate (5) on the side away from the USB interface (4) and is arranged on the inner side.

8. The USB voltage-stabilized expansion docking station for a human-machine interface according to claim 1, characterized in that: The power connection terminal (21) is a one-to-two connection terminal.

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