Disclosure of Invention
The application aims to provide a double-layer USB interface board end device, a line end device, equipment and an implementation method thereof, which can realize the miniaturization design of a double-layer USB interface and save layout space.
The technical scheme provided by the application is as follows:
In a first aspect, the present application provides a dual-layer USB interface board device, including:
The signal ends of the first USB interface and the second USB interface are arranged on the upper surface and the lower surface of the tongue piece back to back.
In one possible implementation, the tongue is a thickened plastic tongue.
In one possible implementation manner, two ends of the upper surface of the tongue piece are provided with protruding parts, two ends of the lower surface of the tongue piece are provided with protruding parts, the protruding parts are used for being matched with the recessed parts on the line end device, and when the line end device is inserted into the double-layer USB interface board end device, the protruding parts are opposite to the recessed parts so as to ensure normal insertion.
The application provides a wire end device, which comprises a USB switching end and a standard USB interface end, wherein the USB switching end and the USB interface are used for connecting the wire end device with a board end device, the USB switching end is connected with the standard USB interface end, and the standard USB interface end is used for inserting a standard USB cable.
In one possible implementation, the USB switching end comprises a first USB switching end and a second USB switching end, and the standard USB interface end comprises a first standard USB interface end and a second standard USB interface end;
The first USB switching end and the second USB switching end are respectively connected with a first USB interface and a second USB interface on the double-layer USB interface board end device;
The first USB switching end and the second USB switching end are respectively connected with the first standard USB interface end and the second standard USB interface end, and the first standard USB interface end and the second standard USB interface end are used for inserting standard USB cables.
The standard USB interface end and the standard USB cable refer to physical interfaces and cables conforming to a USB protocol, and comprise various existing USB physical interfaces and cables.
In one possible implementation manner, the upper surface of the USB adapter is provided with a signal end, and both ends of the upper portion are provided with concave portions, wherein the concave portions are used for being matched with convex portions on the double-layer USB interface board end device, and when the wire end device is inserted into the double-layer USB interface board end device, the convex portions are opposite to the concave portions so as to ensure normal insertion.
In one possible implementation, the left, right and ground sides of the USB adapter are encased in an iron case for EMI protection when in contact with the housing of the board-side device.
In a third aspect, the present application provides a dual-layer USB interface device, including the dual-layer USB interface board end device and the wire end device, where the USB adapter and the USB interface are used for connecting the wire end device with the dual-layer USB interface board end device.
In one possible implementation manner, the two ends of the upper surface of the tongue piece are provided with raised parts;
The upper surface of the USB switching end is provided with a signal end, and both ends of the upper part are provided with concave parts;
The protruding part and the recessed part are used for ensuring normal insertion when the line end device is inserted into the double-layer USB interface board end device.
In one possible implementation, the left, right and ground sides of the USB adapter are encased in an iron case for EMI protection when in contact with the housing of the board-side device.
In a first aspect, the present application provides a method for implementing a dual-layer USB interface, where the dual-layer USB interface board end device and the wire end device are used;
If one USB interface on the double-layer USB interface equipment is needed to be used, the USB switching end is inserted into the first USB interface or the second USB interface based on one line end device;
if two USB interfaces on the double-layer USB interface device are needed to be used simultaneously, based on two line terminal devices with one USB switching end and a standard USB interface end, or one line terminal device with two USB switching ends and a standard USB interface end is used, the two switching ends are respectively inserted into the first USB interface and the second USB interface, and correspondingly, the two standard USB interface ends are respectively inserted into two standard USB cables, so that the use of two USB interfaces in the double-layer USB interface is realized.
The beneficial effects are that:
The double-layer USB interface device comprises a board end device and a wire end device, wherein the board end device is welded on a single board, and the terminal back-to-back terminal design method is adopted, so that the height space of the interface can be effectively reduced, the space area is reduced, and in some embodiments, the space area can be saved by 30% compared with the existing USB interface through testing. The line end device adopts the adapter design, the line end can be directly connected to a standard USB cable, and the existing USB cable can be used in a normal compatible mode. The board end device and the wire end device are connected through movable opposite insertion, and the board end device and the wire end device are opposite-inserted with foolproof designs, so that the use is convenient. The application is suitable for the equipment such as servers, switches, PCs and the like.
Detailed Description
In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present application with reference to the accompanying drawings.
It should be noted that terms like "first," "second," and the like in the description and claims of the present application and in the above figures are used for distinguishing one entity or operation from another entity or operation only, and not necessarily for requiring or implying a particular relationship or order between such entities or operations. It should be understood that the words "first," "second," and the like do not limit the number and order of execution, and that the words "first," "second," and the like do not necessarily differ. It will be appreciated that the data so used may be interchanged where appropriate. Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, the term "coupled" may be a fixed connection, a removable connection, or a unitary construction, may be a mechanical connection, or an electrical connection, may be a direct connection, or may be an indirect connection via an intermediary, or may be an internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Specific embodiments according to the present application will be described below with reference to fig. 1 to 6.
Example 1
The embodiment of the application provides a double-layer USB interface board end device, which comprises:
The signal ends of the first USB interface and the second USB interface are arranged on the upper surface and the lower surface of the tongue piece back to back.
In some embodiments, the tongue is a thickened plastic tongue.
In some embodiments, two ends of the upper surface of the tongue piece are provided with protruding parts, two ends of the lower surface of the tongue piece are provided with protruding parts, the protruding parts are used for being matched with the recessed parts on the line terminal device, and when the line terminal device is inserted into the double-layer USB interface board terminal device, the protruding parts are opposite to the recessed parts so as to ensure normal insertion.
The board end device of the application adopts a terminal back-to-back design to become a brand new interface. The brand new interface of the board end device is shown in fig. 1, and the back-to-back design of the terminals is realized by thickening the plastic tongue piece, so that the height space of the whole interface is compressed.
Example two
The embodiment of the application provides a wire end device, which comprises a USB switching end and a standard USB interface end, wherein the USB switching end and the USB interface are used for connecting the wire end device with a board end device, the USB switching end is connected with the standard USB interface end, and the standard USB interface end is used for inserting a standard USB cable.
In some embodiments, the USB switch end comprises a first USB switch end and a second USB switch end, and the standard USB interface end comprises a first standard USB interface end and a second standard USB interface end;
The first USB switching end and the second USB switching end are used for being connected with a first USB interface and a second USB interface on the double-layer USB interface board end device;
The first USB switching end and the second USB switching end are respectively connected with the first standard USB interface end and the second standard USB interface end, and the first standard USB interface end and the second standard USB interface end are used for inserting standard USB cables.
The standard USB interface end and the standard USB cable refer to physical interfaces and cables conforming to a USB protocol, and comprise various existing USB physical interfaces and cables.
In some embodiments, the upper surface of the USB switching end is provided with a signal end, two ends of the upper part are provided with concave parts, the concave parts are used for being matched with the convex parts on the double-layer USB interface board end device, and when the wire end device is inserted into the double-layer USB interface board end device, the convex parts are opposite to the concave parts so as to ensure normal insertion.
In some embodiments, the left, right and ground sides of the USB adapter are encased in an iron shell for EMI protection when in contact with the housing of the board end device.
The line end device is an adapter design, the end which is matched with the board end device in an inserting and pulling way is a brand new interface, the three weeks are wrapped by iron shells, and the other end is a standard USB interface, so that a normal USB cable can be directly connected. The brand new interface of the terminal device is shown in fig. 2, the standard USB interface can be inserted into the standard USB cable, the adapter is matched with the interface of the board device in an inserting way, and the three-week iron shell is wrapped to be contacted with the shell of the board device to play a role in EMI protection.
Example III
The embodiment of the application provides double-layer USB interface equipment, which comprises the double-layer USB interface board end device and the wire end device in the embodiment, wherein the USB switching end and the USB interface are used for connecting the wire end device with the double-layer USB interface board end device.
In some embodiments, the two ends of the upper surface of the tongue piece are provided with raised parts;
The upper surface of the USB switching end is provided with a signal end, and both ends of the upper part are provided with concave parts;
The protruding part and the recessed part are used for ensuring normal insertion when the line end device is inserted into the double-layer USB interface board end device.
The plug-and-socket fit of the board-end device and the wire-end device is shown in fig. 3, and one board-end device can be plugged into two USB transfer terminals. The USB switching terminals can be two USB switching terminals of one line terminal device or USB switching terminals of different line terminal devices. The A position of the line terminal device can be interconnected with a standard USB cable, so that the layout of a board space is met, and the line terminal device can be normally interconnected with a standard USB.
The opposite insertion of the plate end device and the wire end device is provided with a fool-proof design. The fool-proof design of the board end device and the wire end device for opposite insertion is shown in fig. 4, the board end device is of a convex design, the wire end device is of a concave design, the convex to concave can be normally inserted when the board end device and the wire end device are inserted, and the board end device cannot be inserted when the board end device and the wire end device are overturned for 180 degrees.
The application discards the old design concept of the double-layer USB interface, and compared with the prior art, the board end device and the line end device save 30% of the height space of the board end device, such as shown in fig. 5 and 6.
In some embodiments, the left, right and ground sides of the USB adapter are encased in an iron shell for EMI protection when in contact with the housing of the board end device.
Example IV
The embodiment of the application provides a double-layer USB interface implementation method, which adopts the double-layer USB interface equipment in the embodiment;
If one USB interface on the double-layer USB interface equipment is needed to be used, the USB switching end is inserted into the first USB interface or the second USB interface based on one line end device;
if two USB interfaces on the double-layer USB interface device are needed to be used simultaneously, based on two line terminal devices with one USB switching end and a standard USB interface end, or one line terminal device with two USB switching ends and a standard USB interface end is used, the two switching ends are respectively inserted into the first USB interface and the second USB interface, and correspondingly, the two standard USB interface ends are respectively inserted into two standard USB cables, so that the use of two USB interfaces in the double-layer USB interface is realized.
For a line-end device with two USB transfer ends and a standard USB interface end, the use of a double-layer USB interface is realized in the following manner:
When in use, the first USB switching end or the second USB switching end is inserted into the first USB interface or the second USB interface, and correspondingly, the first standard USB interface end or the second standard USB interface end is inserted into a standard USB cable so as to realize the use of one USB interface of the double-layer USB interfaces;
or the first USB switching end and the second USB switching end are respectively inserted into the first USB interface and the second USB interface, and correspondingly, the first standard USB interface end and the second standard USB interface end are respectively inserted into two standard USB cables so as to realize the use of two USB interfaces in the double-layer USB interface.
The previous description of the embodiments of the application is provided to enable any person skilled in the art to make or use the present application, and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.