WO2020056716A1

WO2020056716A1 - Extension device

Info

Publication number: WO2020056716A1
Application number: PCT/CN2018/106909
Authority: WO
Inventors: 李世平; 刘海燕
Original assignee: 深圳市真多点科技有限公司
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2020-03-26

Abstract

An extension device comprises a housing (1) and an interface assembly (2). The interface assembly (2) comprises: a circuit board (21); a transmission interface (22) connected to the circuit board (21) and used to transmit electrical energy; a first extension interface (23) connected to the circuit board (21) and used to transmit electrical energy or data; and multiple second extension interfaces (24) connected to the circuit board (21) and used to transmit electrical energy or data. The transmission interface (22) is connected to the first extension interface (23), and is connected to each of the multiple second extension interfaces (24), respectively, so as to transmit electrical energy in an extended manner. The first extension interface (23) is connected to the multiple second extension interfaces (24) so as to transmit electrical energy or data in an extended manner. The extension device is provided with the interface assembly, and the interface assembly (2) is used to extend a connector of an electronic device into multiple interfaces of the same type or at least one interface of another type, thereby extending functionality of the electronic device, and providing multiple operation modes.

Description

Expansion device

Technical field

This solution belongs to the technical field of expansion equipment for expanding the functions of electronic equipment, and more specifically, relates to an expansion device.

Background technique

Since the introduction of the USB Type-C interface in recent years, it can transfer digital information such as video, audio, and files faster than the previous generation USB interface due to its pluggability and reversibility and support for fast charging. The consumers are welcome and have been rapidly popularized in electronic devices such as computers, tablets and mobile phones. For these with USB Type-C interface electronic devices, manufacturers have also introduced a lot of power adapters with USB Type-C interface, consumers with multiple devices (computers, tablets, mobile phones, etc.) may have multiple power adapters, these excessive The charger only has a charging function, which is a waste of resources.

In addition, consumers will also find that tablets and mobile phones have only one USB when using these electronic devices. Type-C interface or only USB Type-C interface, which is not enough for office or home, if you want to expand, you can only buy fast charge, hub (HUB), dock (Dock) ) And other equipment, it is obviously insufficient for carrying and space utilization.

Therefore, a problem existing in the prior art is that the power adapter only provides a single charging function, and the user has multiple power adapters, resulting in idleness of resources, and it is necessary to provide corresponding extended electronic equipment to solve the problem.

technical problem

The purpose of the embodiments of the present invention is to provide an expansion device to solve the technical problem that the power adapter in the prior art cannot expand functions.

Technical solutions

To solve the above technical problems, the technical solutions adopted in the embodiments of this solution are:

Provided is an expansion device including a casing and an interface component disposed inside the casing;

The interface assembly includes a circuit board, a transmission interface connected to the circuit board for transmitting electrical energy, a first expansion interface connected to the circuit board for transmitting electrical energy or data, and a plurality of interfaces connected to the circuit board. A second expansion interface for transmitting power or data, the transmission interface is connected to the first expansion interface and is connected to a plurality of the second expansion interfaces, respectively, to perform extended transmission of the power, An expansion interface is connected to a plurality of the second expansion interfaces to perform extended transmission of the data or power.

In one embodiment, the housing includes a first abutting surface and a second abutting surface, the plug is exposed on the first abutting surface, and the interface is provided on the second abutting surface.

In one embodiment, the first docking surface is provided with a fixing component for fixing a power adapter.

In one embodiment, the fixing component is a magnetic piece, a buckle piece or a Velcro piece.

In one embodiment, the case includes a first receiving case for receiving the interface component and a second receiving case provided on the first receiving case for receiving a power adapter.

In one embodiment, the second receiving shell includes a side plate, and the first abutting surface is connected to the side plate.

In one embodiment, the number of the side plates is two, and the two side plates are oppositely disposed or the two side plates are adjacently disposed.

In one embodiment, the number of the side plates is three or four, and three or four of the side plates are sequentially adjacent.

In one embodiment, the top of the accommodating case is provided with a slot for exposing the power head of the power adapter.

In one embodiment, a cover is provided on the top of the receiving shell.

In one embodiment, the cover is hinged with the receiving shell.

In one embodiment, the cover is slidably connected to the receiving shell.

In one embodiment, a sliding groove is provided at the top end of the accommodating shell, and a sliding bar that can slide into the sliding groove is provided on the cover. The sliding bar is further provided with a limiting groove. There are limit blocks that can be snapped into the limit slots.

In one embodiment, a top of the accommodating case is provided with a card slot, and the cover is provided with a card block that can be inserted into the card slot.

In one embodiment, the transmission interface includes a USB Type-C interface, and the first expansion interface includes USB Type-C interface and / or USB Type-A interface, and the second extension interface includes a USB Type-C interface and / or a USB Type-A interface and / or an HDMI interface.

In one embodiment, the number of the USB Type-C interfaces is at least one, the number of the USB Type-A interfaces is at least two, and the number of the HDMI interfaces is at least one.

In one embodiment, the second expansion interface includes, but is not limited to, an HDMI interface, a DVI interface, a VGA interface, a Display Port interface, an SD card interface, a TF card interface, a Type-C charge interface, an RJ45 network interface, and an audio output interface. Or USB Type-A interface.

Beneficial effect

Compared with the prior art, the expansion device provided by this solution has the beneficial effect that, by setting the interface component, the connector of the power adapter, computer, tablet or mobile phone is expanded into multiple interfaces of the same type or at least one other through the interface component. The type of interface expands the functions of the power adapter, computer, tablet or mobile phone. In addition, by setting a transmission interface and multiple second expansion interfaces, the transmission interface is connected to the power adapter, and the power adapter is directly connected to the mains, The transmission interface outputs electric energy to the electronic devices connected to the plurality of second expansion interfaces through the plurality of second expansion interfaces. Similarly, by setting the transmission interface and the first expansion interface to be connected, when the transmission interface is connected to the power adapter, and At the same time, when the power adapter is connected to the mains, the transmission interface can output electrical energy to the electronic device connected to the first expansion interface through the first expansion interface; electronic devices such as computers, tablets, or mobile phones are connected to the first expansion interface (USB Type-C interface), the first expansion interface can output data in the electronic device and output the data through the second expansion interface, and at the same time, the electronic device connected to the first expansion interface can give the second expansion interface. The connected electronic device is charged; the data of the electronic device connected to the second expansion interface is input to the first expansion interface through the second expansion interface, and then to the USB connected to the first expansion interface. Electronic equipment connected by Type-C interface. Various operating modes are provided without changing the inherent functions of the power adapter or the electronic equipment connected to the expansion device.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly explain the technical solutions in the embodiments of the present solution, the drawings used in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for this solution. For some embodiments, for those of ordinary skill in the art, other drawings may be obtained according to these drawings without paying creative labor.

FIG. 1 is a perspective structural view of an expansion device in an embodiment of the present solution;

FIG. 2 is an exploded perspective view of a three-dimensional structure of the expansion device in an embodiment of the present solution; FIG.

3 is an exploded view of a three-dimensional structure of the expansion device in another embodiment of the present solution from another perspective;

FIG. 4 is an exploded perspective view of a three-dimensional structure of another embodiment of the expansion device in the embodiment of this solution; FIG.

FIG. 5 is an enlarged view at “A” of FIG. 2.

Among them, the reference numerals in the drawings are as follows:

壳体 Shell	1 1	第一容置壳 First accommodation shell	101 101	滑条 Slider	161 161
接口组件 Interface components	2 2	第二容置壳 Second housing	102 102	槽口 Notch	1431 1431
电路板 Circuit board	21 twenty one	开口 Opening	15 15	卡槽 Card slot	144 144
插头 Plug	22 twenty two	侧板 Siding	141 141	卡块 Card block	162 162
第一对接面 First butt	11 11	拔槽 Groove	142 142	限位槽 Limit slot	1611 1611
第二对接面 Second butt	12 12	盖体 Cover	16 16	第二扩展接口 Second extension interface	24 twenty four
固定组件 Fixed component	13 13	滑槽 Chute	143 143	Zh	Zh
限位块 Limit block	1432 1432	第一扩展接口 First extension interface	23 twenty three	Zh	Zh

Embodiments of the invention

In order to make the purpose, technical solution, and advantages of this solution more clear, the following further describes this solution in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the solution, and are not used to limit the solution.

It should be noted that when a component is called "fixed to" or "disposed to" another component, it may be directly on another component or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly or indirectly connected to the other component. The orientations or positional relationships indicated by the terms "up", "down", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, and are for ease of description only, and do not indicate or imply the device referred Or the element must have a specific orientation, structure and operation in a specific orientation, so it cannot be understood as a limitation on this patent. For those of ordinary skill in the art, the specific meaning of the above terms can be understood according to specific circumstances. The terms "first" and "second" are only used for convenience of description, and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more, unless specifically defined otherwise.

In order to explain the technical solution described in this solution, detailed description is given below with reference to specific drawings and embodiments.

As shown in FIG. 1 to FIG. 3, an expansion device is provided, which includes a housing 1 and an interface assembly 2 provided inside the housing 1;

The interface assembly 2 includes a circuit board 21, a transmission interface 22 connected to the circuit board 21 for transmitting electrical energy, a first expansion interface 23 connected to the circuit board 21 for transmitting electrical energy or data, and a plurality of connections to the circuit board 21. A second expansion interface 24 for transmitting electric energy or data, the transmission interface 22 is connected to the first expansion interface 23 and is respectively connected to a plurality of second expansion interfaces 24 to perform extended transmission of power, and the first expansion interface 23 is connected to a plurality of The second expansion interface 24 is connected to perform extended transmission of data or power.

Specifically, the transmission interface 22 is a USB Type-C interface, which can be used with a power adapter with a USB Type-C connector or an electronic device such as a computer or a mobile phone. The transmission interface can also be a USB Type-A interface, which can be used with a power adapter or an electronic device such as a computer or a mobile phone with a USB Type-A connector; the first expansion interface 23 can be a USB Type-C interface or a USB Type-A interface; the second expansion interface 24 includes USB The Type-C interface, the USB Type-A interface, and the HDMI interface, or the second extension interface 24 include one or more of them. For example, as shown in FIG. 3, the expansion device includes four second expansion interfaces 24, wherein the four expansion interfaces 24 are USB Type-A interfaces; as shown in FIG. 5, the expansion device includes four second expansion interfaces 24, where The three second expansion interfaces 24 are USB Type-A interfaces, and the remaining one second expansion interface 24 is an HDMI interface.

The working principle of the expansion device of this embodiment is as follows:

The expansion device can be used on a power adapter or electronic device with a USB Type-C connector, and also on a power adapter or electronic device with a common USB connector. When applied to electronic devices with different types of USB connectors, its transmission interface 22 and Corresponds to the connector of the power adapter. The first expansion interface 23 and the second expansion interface 24 of the interface component 2 also include various types, so the power adapter can be expanded into a power adapter with a fast charge function, and the expansion device is connected to a computer or a mobile phone or a tablet separately, so that The computer or mobile phone has a hub (HUB) function, or the expansion device is separately connected with the computer or mobile phone or tablet, so that the computer or mobile phone or tablet has a dock function.

The expansion device provided by this embodiment has the following beneficial effects:

By setting the interface component 2, the connector of the power adapter, computer, tablet, or mobile phone is expanded into multiple interfaces of the same type or at least one other type of interface through the interface component 2, thereby expanding the power adapter, computer, tablet, or mobile phone. Function; In addition, the transmission interface 22 is connected to a plurality of second expansion interfaces 24. When the transmission interface 22 is connected to a power adapter and the power adapter is directly connected to the mains power, the transmission interface 22 passes electrical energy through the plurality of second expansion interfaces 24. Output to electronic devices connected to the plurality of second expansion interfaces 24 is similarly provided by setting the transmission interface 22 and the first expansion interface 23, and at the same time, when the power adapter is connected to the mains power, the transmission interface 22 can supply electrical energy Output through the first expansion interface 23 to an electronic device connected to the first expansion interface 23; electronic equipment such as a computer, tablet, or mobile phone is connected to the first expansion interface 23 (USB Type-C interface), the first expansion interface 23 can output data in the electronic device and output the data through the second expansion interface 24. At the same time, the electronic device connected to the first expansion interface 23 can be given. The electronic device connected to the second expansion interface 24 is charged; the data of the electronic device connected to the second expansion interface 24 is input into the first expansion interface 23 through the second expansion interface 24 and then to the USB connected to the first expansion interface 23 Electronic equipment connected by Type-C interface. Various operating modes are provided without changing the inherent functions of the power adapter or the electronic equipment connected to the expansion device.

Specifically, there are two ways to transmit electrical energy: wired charging and wireless charging. Wireless charging complies with the international Qi wireless charging standard.

In one embodiment, the transmission interface 22 of the expansion device is USB. Type-C interface, after the power adapter is installed in the expansion device, the second expansion interface 24 includes a USB Type-C expansion interface, and an HDMI expansion interface (including but not limited to RJ45 network port, HDMI expansion interface, SD card Expansion interface, TF card expansion interface, Type-C charge expansion interface, Display Port expansion interface, audio output expansion interface, multiple USB Type-A expansion interfaces, DVI expansion interface, VGA expansion interface, etc.) and three USB Type-A expansion interfaces.

In one embodiment, the housing 1 includes a first docking surface 11 for docking with a power adapter and a second docking surface 12 for docking with a cable. The transmission interface 22 is disposed on the first docking surface 11 and the expansion interface 23 is disposed on the first二对接面 12。 Two butt faces 12.

Specifically, the first abutting surface 11 and the second abutting surface 12 are disposed on different sides of the casing 1 to avoid the power adapter and the cable from affecting each other; or the first abutting surface 11 and the second abutting surface 12 are provided with the casing 1. On the same side, and the positions of the transmission interface 22 and the expansion interface 23 are separated by a preset distance, it is ensured that after the power adapter is docked with the expansion device, the expansion interface 23 can also be connected to the cable.

In one embodiment, the first docking surface 11 is provided with a fixing component 13 for fixing a power adapter. After the connector of the power adapter is connected with the transmission interface 22 of the expansion device, the power adapter is fixed by the fixing component 13 to prevent the power adapter from falling off from the expansion device during use, causing connection failure or damage.

In one embodiment, the fixing component 13 is a magnetic component, a buckle component or a Velcro component. The magnetic adapter is used to attract the power adapter to the expansion device, which has a good fixing effect and is easy to disassemble. Similarly, the power adapter can be fixed by a clip or fixed by a Velcro, which is convenient for fixing and easy to remove.

Please refer to FIG. 1 and FIG. 2 at the same time. In one embodiment, the casing 1 includes a first receiving case 101 for receiving the interface assembly 2 and a second receiving case 102 for receiving the power adapter. The shell 102 is connected to the first abutting surface 11. The shape and size of the second housing case 102 are adapted to the power adapter, and the top of the second housing case 102 is provided with an opening 15 through which the power adapter can be inserted. And the connector of the power adapter is docked with the transmission interface 22 of the expansion device. The second accommodating case 102 avoids contact of the docked power adapter during use, which causes the transmission interface 22 to detach from the connector, resulting in poor contact or damage; Close to integration, more beautiful and generous. The side of the power adapter may be attached to the inner side wall of the second accommodation case 102 or may not be attached to the inner side wall of the second accommodation case 102, and a buffer member may be provided between the second accommodation case 102 and the power adapter , Can protect the power adapter when dropped.

In one embodiment, the second receiving shell 102 includes a side plate 141, and the first abutting surface 11 is disposed on an inner wall of the side plate 141.

In one embodiment, the number of the side plates 141 is one, and the side plates 141 abut against one side of the power adapter. A side plate 141 is placed against one side of the power adapter to protect the power adapter.

In one embodiment, the number of the side plates 141 is two, and the two side plates 141 are oppositely disposed or the two side plates 141 are adjacently disposed. The two side plates 141 are enclosed to form a space for accommodating the power adapter. When the power adapter is placed in the second housing case 102, the side plate 141 serves as a guide for the user to insert into the second housing case 102, and is relatively disposed or Adjacent two side plates 141 can hold the power adapter to further strengthen the power adapter to prevent the power adapter from shaking during use.

In one embodiment, the number of the side plates 141 is three, and the three side plates 141 are sequentially adjacent to each other. The three side plates 141 form a space for accommodating the power adapter and protect the power adapter.

In one embodiment, the number of the side plates 141 is four, and the four side plates 141 are sequentially adjacent to each other. The four side plates 141 form a space for accommodating the power adapter and protect the power adapter.

In one embodiment, a pull-out slot 142 is provided on the top of the second accommodating case 102 for exposing the power head of the power adapter. When the user removes the power adapter from the second housing, the user can clamp the power head and then take out the entire power adapter.

In one embodiment, a cover 16 is provided on the top of the second housing case 102, that is, a cover 16 is provided on the top of one of the side plates 141. The cover 16 covers the opening 15 of the second accommodating case 102 after the power adapter is put into the second accommodating case 102 to prevent the power adapter from falling out of the opening 15 of the second accommodating case 102. The assembling manner of the cover body and the second accommodating case 102 is not limited to a connection manner such as a slider, a buckle, or a flip cover. In one embodiment, the cover body 16 is hinged to the second housing case 102, that is, one of the side plates 141 is hinged to the cover body 16. The cover body 16 is hinged on the second housing case 102, the cover body 16 is opened, the power adapter is placed in the second housing case 102, and then the cover body 16 is covered on the second housing case 102. The structure fixes the cover 16 on the second accommodating case 102.

In one embodiment, the cover 16 is slidably connected to the second receiving shell 102.

Please refer to FIG. 2 and FIG. 5 at the same time. In one embodiment, a sliding groove 143 is provided at the top of the second housing case 102, sliding grooves 143 are provided on the opposite side plates 141, and the cover 16 is provided with a sliding groove 143. The sliding bar 161 slides into the sliding groove 143. The notches 1431 of the two sliding grooves 143 are disposed in opposite directions, and the sliding bar 161 is slidably caught in the sliding groove 143. The sliding bar 161 slides along the length of the sliding groove 143 toward the outside of the second accommodating case 102. Open the cover 16 to place the power adapter into the second accommodating case 102, and then slide the sliding bar 161 along the sliding groove 143 The length direction slides toward the second housing case 102, covers the cover body 16, and fixes the power adapter in the second housing case 102.

In one embodiment, the sliding bar is further provided with a limiting groove, and the sliding groove is provided with a limiting block that can be snapped into the limiting groove. When the user slides and pulls out the cover 16, in order to prevent the user from pulling out too much, the cover 16 is completely separated from the second housing case 102, and the cover 16 is easy to be lost. The length of the cover body 16 is limited, and the cover body 16 is limited to the second housing case 102.

Please refer to FIG. 3 and FIG. 5 at the same time. In one embodiment, a top of the second housing case 102 is provided with a clamping slot 144, and the cover 16 is provided with a clamping block 162 that can be inserted into the clamping slot 144. When the cover body 16 is completely covered by the second housing case 102, the clamping block 162 is caught in the card slot 144 to limit the sliding out of the cover body 16. When the user wants to open the cover body 16, the card block 162 is released from the card slot. 144, the cover 16 can slide out smoothly. Further, the transmission interface 22 includes a USB Type-C interface, and the first expansion interface 23 includes a USB Type-C interface and a USB Type-A interface or Type-C interface and USB One of Type-A interfaces, the second expansion interface 24 includes USB Type-C interface and USB Type-A interface and HDMI interface or one or more of the above interfaces.

In one embodiment, the number of USB Type-C interfaces is at least one, the number of USB Type-A interfaces is at least two, and the number of HDMI interfaces is at least one.

In one embodiment, the second expansion interface 24 includes, but is not limited to, an HDMI interface, a DVI interface, a VGA interface, a Display Port interface, an SD card interface, a TF card interface, a Type-C charge interface, an RJ45 network interface, an audio output interface, or USB Type-A interface.

The above are only preferred embodiments of the solution, and are not used to limit the solution. For those skilled in the art, this solution may have various modifications and changes. Any modification, equivalent replacement, or improvement made within the spirit and principle of this plan shall be included in the scope of claims of this plan.

Claims

An expansion device, comprising a housing and an interface component provided inside the housing;

The interface assembly includes a circuit board, a transmission interface connected to the circuit board for transmitting electrical energy, a first expansion interface connected to the circuit board for transmitting electrical energy or data, and a plurality of interfaces connected to the circuit board. A second expansion interface for transmitting power or data, the transmission interface is connected to the first expansion interface and is connected to a plurality of the second expansion interfaces, respectively, to perform extended transmission of the power, An expansion interface is connected to a plurality of the second expansion interfaces to perform extended transmission of the data or power.
The expansion device according to claim 1, wherein the housing comprises a first docking surface and a second docking surface, the plug is disposed exposed on the first docking surface, and the interface is disposed on the first docking surface. Two butt faces.
The expansion device according to claim 1, wherein the first docking surface is provided with a fixing component for fixing a power adapter.
The expansion device according to claim 3, wherein the fixing component is a magnetic piece, a buckle piece or a Velcro piece.
The expansion device according to claim 3, wherein the casing comprises a first receiving case for receiving the interface component and a first receiving case provided on the first receiving case for receiving a power adapter. The second housing shell.
The expansion device according to claim 1, wherein the second receiving shell comprises a side plate, and the first abutting surface is connected to the side plate.
The expansion device according to claim 1, wherein the number of the side plates is two, and the two side plates are oppositely disposed or the two side plates are adjacently disposed.
The expansion device according to claim 1, wherein the number of the side plates is three or four, and three or four of the side plates are sequentially adjacent.
The expansion device according to claim 1, wherein a top slot of the second accommodating case is provided with a slot for exposing a power head of the power adapter.
The expansion device according to claim 1, wherein a cover body is provided on the top of the second accommodation shell.
The expansion device according to claim 2, wherein the cover body is hinged to the second receiving shell.
The apparatus for preparing an expansion device according to claim 1, wherein the cover body is slidably connected to the second accommodation shell.
The apparatus for preparing an expansion device according to claim 3, wherein a top end of the second accommodation shell is provided with a slide groove, and the cover body is provided with a slide bar that can slide into the slide groove, and The sliding bar is also provided with a limiting slot, the sliding slot is provided with a limiting block that can be snapped into the limiting slot, a top of the second accommodation shell is provided with a snap slot, and the cover body is provided with a snap-in slot A card block of the card slot.
The device for preparing an expansion device according to claim 3, wherein the transmission interface comprises a USB Type-C interface, the first expansion interface includes USB A Type-C interface and / or a USB Type-A interface, and the second extension interface includes a USB Type-C interface and / or a USB Type-A interface and / or an HDMI interface.
The device for preparing an expansion device according to claim 2, wherein the number of the USB Type-C interfaces is at least one, the number of the USB Type-A interfaces is at least two, and The number is at least one.