WO2017008735A1 - 一种可穿戴设备 - Google Patents

一种可穿戴设备 Download PDF

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Publication number
WO2017008735A1
WO2017008735A1 PCT/CN2016/089817 CN2016089817W WO2017008735A1 WO 2017008735 A1 WO2017008735 A1 WO 2017008735A1 CN 2016089817 W CN2016089817 W CN 2016089817W WO 2017008735 A1 WO2017008735 A1 WO 2017008735A1
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WIPO (PCT)
Prior art keywords
usb interface
signal path
core unit
wearable device
usb
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PCT/CN2016/089817
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English (en)
French (fr)
Inventor
徐良光
李楠楠
陈栋
吕馨
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华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2017557427A priority Critical patent/JP6484353B2/ja
Priority to US15/565,260 priority patent/US10366040B2/en
Priority to BR112017021252-8A priority patent/BR112017021252B1/pt
Priority to EP16823882.2A priority patent/EP3270484B1/en
Publication of WO2017008735A1 publication Critical patent/WO2017008735A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3888—Arrangements for carrying or protecting transceivers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042—Universal serial bus [USB]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/30—Charge provided using DC bus or data bus of a computer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H04B2001/3861—Transceivers carried on the body, e.g. in helmets carried in a hand or on fingers

Definitions

  • the present invention relates to the field of electronic technologies, and in particular, to a wearable device.
  • USB cable shown in Figure 1 Therefore, people usually carry USB cables with them in case of emergency.
  • the USB cables shown in Figure 1 are poorly portable, and such traditional USB cables are different in length and thickness, and are difficult to bundle. It has caused a lot of troubles for people's travel.
  • wearable devices are becoming more and more popular, and wearable devices are easy to carry, but this feature cannot be shared by other devices.
  • the embodiment of the invention provides a wearable device, which can implement a USB cable function in addition to being a wearable device.
  • a wearable device including a device carrier, a device core unit, a first USB interface and a second USB interface, and a signal path selection unit, wherein:
  • a device carrier configured to carry a device core unit of the wearable device, a first USB interface and a second USB interface, and a signal path selection unit to implement wearability of the device;
  • the core unit of the device is used to implement the core functions of the wearable device
  • a signal path selection unit configured to control a signal path between the first USB interface and the device core unit, and a signal path in a signal path between the first USB interface and the second USB interface .
  • the device core unit is further configured to output a gate control signal to the signal path selection unit;
  • the signal path selection unit is configured to control a signal path between the first USB interface and the device core unit, the first USB interface, and a device according to a gate control signal output by the device core unit. A signal path in the signal path between the second USB interfaces is connected.
  • the signal path selection unit is specifically configured to control the first USB interface and the device when the device core unit is not separated from the device carrier The signal path between the device core units is connected; when the device core unit is separated from the device carrier, the signal path between the first USB interface and the second USB interface is controlled to communicate.
  • the device core unit is further configured to output to the signal path selection unit when not separated from the device carrier In-position indication signal;
  • the signal path selection unit is configured to: when receiving the in-position indication signal, control signal path communication between the first USB interface and the device core unit; if the in-position indication is not received And a signal path between the first USB interface and the second USB interface is controlled to communicate.
  • the signal path includes at least one of a power signal path and a data signal path.
  • the wearable device is specifically a smart bracelet.
  • the device carrier is specifically a wristband, and the first USB interface and the second USB interface are respectively disposed in the Said the ends of the wristband.
  • the first possible implementation of the first aspect, the second possible implementation of the first aspect, the third possible implementation of the first aspect, the fourth possible aspect of the first aspect is the fifth possible implementation manner of the first aspect, or the sixth possible implementation manner of the first aspect.
  • the first USB interface is specifically a USB A port.
  • the second USB interface is specifically a Micro USB B port.
  • the wearable device when the signal path selection unit controls the signal path communication between the first USB interface and the second USB interface, the wearable device can implement a USB cable function, is convenient to carry, and is easy to use.
  • FIG. 1 is a schematic diagram of a USB cable in the prior art
  • FIG. 2 is a schematic diagram of a wearable device according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a wearable device according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of a wearable device according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic diagram of a smart wristband according to an embodiment of the present invention.
  • an embodiment of the present invention provides a wearable device.
  • the preferred embodiment of the present invention will be described below with reference to the accompanying drawings. It should be understood that The preferred embodiments described herein are for illustrative purposes only and are not intended to limit the invention. And in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
  • the embodiment of the present invention provides a wearable device, as shown in FIG. 2, which may include a device carrier 100, a device core unit 101, a first USB interface 102 and a second USB interface 103, and a signal path selection unit 104, where:
  • the device carrier 100 is configured to carry the device core unit 101 of the wearable device, the first USB interface 102 and the second USB interface 103, and the signal path selection unit 104 to implement wearability of the device;
  • the device core unit 101 is configured to implement a core function of the wearable device.
  • a first USB interface 102 and a second USB interface 103 configured to connect to an external device
  • the signal path selection unit 104 is configured to control a signal path between the first USB interface 102 and the device core unit 101, and a signal path in the signal path between the first USB interface 102 and the second USB interface 103.
  • the signal path selecting unit 104 controls the signal path communication between the first USB interface 102 and the device core unit 101, or controls the signal path communication between the first USB interface 102 and the second USB interface 103.
  • the wearable device provided by the embodiment of the present invention may be a variety of wearable devices such as a smart wristband and a smart neck ring, which are not specifically limited in the present invention.
  • the device carrier 100 in the wearable device carries other parts of the wearable device, and the wearable device can be implemented.
  • the device carrier 100 is a wristband.
  • the device core unit 101 in the wearable device can implement the core functions of the device.
  • the device core unit 101 can implement functions such as step counting, heart rate measurement, and the like.
  • the first USB interface 102 in the wearable device is specifically configured to connect an external device such as a main communication device or a power device, such as a computer, a charger, etc., so the first USB interface 102 can be USB A. Port, specifically for the USB A port male.
  • the second USB interface 103 in the wearable device is specifically configured to connect an external device such as a mobile portable device, such as a mobile phone, a tablet computer, a digital camera, etc., and therefore, the second USB interface
  • the port 103 can be a Micro USB B port, specifically a Micro USB B port male; of course, the second USB interface 103 can also be a USB Type C port or other mobile portable device interface, which is not specifically limited in the present invention.
  • the first USB interface 102 is a charging interface and a communication interface of the wearable device itself; when the first USB interface 102 and the second USB interface are When the signal path between the 103 is connected, the external device connected to the first USB interface 102 is connected to the signal path between the external device connected to the second USB interface 103, and the charging requirement of the external device connected to the second USB interface 103 can be realized.
  • Communication requirements that is, at this time, the wearable device can be used as a power cable and a data cable of other devices to implement a USB cable function.
  • the device core unit 101 outputs a gate control signal to the signal path selection unit 104, where the gate control signal is used to indicate which signal path is selected by the signal path selection unit 104.
  • the signal path selection unit 104 can specifically control the signal path between the first USB interface 102 and the device core unit 101, and between the first USB interface 102 and the second USB interface 103 according to the gate control signal output by the device core unit 101. One of the signal paths in the signal path is connected.
  • the device core unit 101 can output a gate control signal under the trigger of a button, a mechanical switch, or system software.
  • the signal path selecting unit 104 may be based on whether the device core unit 101 is in place, that is, according to the device core unit 101 and the device. Whether the carrier 100 is not separated, the signal path is selected to be connected.
  • the communication priority between the first USB interface 102 and the device core unit 101 is higher than that between the first USB interface 102 and the second USB interface 103 in order to ensure that the charging requirements and communication requirements of the wearable device are met.
  • the connectivity priority of the signal path is higher than that between the first USB interface 102 and the second USB interface 103 in order to ensure that the charging requirements and communication requirements of the wearable device are met.
  • the signal path selection unit 104 is specifically configured to control the signal path connection between the first USB interface 102 and the device core unit 101 when the device core unit 101 is in place, that is, when the device core unit 101 is not separated from the device carrier 100;
  • the device core unit 101 is not in place, that is, when the device core unit 101 is separated from the device carrier 100, the signal communication between the first USB interface 102 and the second USB interface 103 is controlled.
  • the road is connected.
  • the signal path selection unit 104 can determine whether the device core unit 101 is in place by various methods.
  • the device core unit 101 may output an in-position indication signal to the signal path selection unit 104 when in position; when receiving the in-position indication signal, the signal path selection unit 104 determines that the device core unit 101 is in place, and controls the first USB.
  • the interface 102 is connected to the signal path between the device core unit 101.
  • the signal path selection unit 104 determines that the device core unit 101 is not in place when the in-position indication signal is not received, and controls the first USB interface 102 and the second USB interface.
  • the signal path between 103 is connected.
  • the above signal path refers to a USB signal path, and may include at least one of a power signal path and a data signal path. That is, the signal path may include only the power signal path.
  • the wearable device provided by the embodiment of the present invention can implement the USB power cable function.
  • the signal path can also include only the data signal path.
  • the wearable device can implement the USB data cable function.
  • the above-mentioned signal path can also include the power signal path and the data signal path.
  • the wearable device provided by the embodiment of the present invention can simultaneously implement the USB power cable function and the USB data cable function. .
  • FIG. 3 A specific implementation circuit of the wearable device provided in Embodiment 1 of the present invention is shown in FIG. 3.
  • the device core unit 101 is detachable from the device carrier 100 in the wearable device.
  • the SEL pin When the device core unit 101 is in position, the SEL pin outputs a low level signal, and when not in position, the SEL pin outputs a high level signal, that is, The bit indication signal is a low level signal.
  • the signal path selecting unit 104 controls the communication of the power signal path and the data signal path in accordance with the output signal of the SEL pin of the device core unit 101.
  • the signal path selecting unit 104 is implemented by the chip U1 and the chip U2 in FIG.
  • the chip U1 is a high-speed USB switch for controlling the data signal path between the first USB interface 102 and the device core unit 101 when the output signal of the SEL pin of the device core unit 101 is a low level signal; When the output signal of the SEL pin of the unit 101 is a high level signal, the control A data signal path between the first USB interface 102 and the second USB interface 103 is connected.
  • the chip U2 is a single-pole double-throw switch with a small internal resistance of the channel, and is used to control the power between the first USB interface 102 and the device core unit 101 when the output signal of the SEL pin of the device core unit 101 is a low level signal.
  • the signal path is connected; when the output signal of the SEL pin of the device core unit 101 is a high level signal, the power signal path between the first USB interface 102 and the second USB interface 103 is controlled to communicate.
  • the specific implementation circuit of the device in the wearable device provided in Embodiment 2 of the present invention is as shown in FIG. 4 .
  • the device core unit 101 is detachable from the device carrier 100 in the wearable device. When the device core unit 101 is in position, the SEL pin outputs a low level signal, and when not in position, the SEL pin outputs a high level signal, that is, The bit indication signal is a low level signal.
  • the power signal path between the first USB interface 102 and the device core unit 101, the power signal path between the first USB interface 102 and the second USB interface 103 are all connected; the signal path selection unit 104 is according to the SEL tube of the device core unit 101.
  • the output signal of the foot controls the communication of the data signal path.
  • the signal path selection unit 104 only needs one high-speed USB switch, and the control logic is the same as before, and details are not described herein again.
  • Embodiment 1 and Embodiment 2 are only two examples, and are not used to limit the specific implementation circuit of the wearable device provided by the embodiment of the present invention.
  • the wearable device provided by the embodiment of the present invention is specifically a smart wristband, as shown in FIG. 5, the device carrier 100 is specifically a wristband, and the USB signal line can be hidden by a FPC (Flexible Printed Circuit).
  • the first USB interface 102 and the second USB interface 103 may be respectively disposed at both ends of the wristband.
  • the wearable device provided by the embodiment of the present invention may also be other wearable devices such as a smart neck ring, and details are not illustrated herein.
  • the wearable device provided by the embodiment of the present invention hides the USB cable function therein, is convenient to carry, and is easy to use, and avoids many problems such as poor portability, space occupation, and difficulty in finishing the existing USB cable. Improve the user experience.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Information Transfer Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • User Interface Of Digital Computer (AREA)
  • Power Sources (AREA)

Abstract

一种可穿戴设备，包括设备载体（100）、设备核心单元（101）、第一USB接口（102）和第二USB接口（103）、信号通路选择单元（104），其中：设备载体，用于承载可穿戴设备的设备核心单元、第一USB接口和第二USB接口、信号通路选择单元，实现设备的可穿戴；设备核心单元，用于实现可穿戴设备的核心功能；第一USB接口和第二USB接口，用于连接外部设备；信号通路选择单元，用于控制第一USB接口与设备核心单元之间的信号通路、第一USB接口与第二USB接口之间的信号通路中的一条信号通路连通。该可穿戴设备，能够实现USB线缆功能。

Description

一种可穿戴设备
本申请要求于2015年07月14日提交中国专利局，申请号为CN 201510412712.9、发明名称为“一种可穿戴设备”的中国专利申请，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及电子技术领域，特别涉及一种可穿戴设备。
背景技术
随着电子技术的发展，人们的日常生活、工作越来越离不开各种移动便携设备，如手机、平板电脑、数码相机、充电宝等，这些移动便携设备的电源线缆、数据线缆多为图1所示的USB线缆。因此，人们通常也会随身携带USB线缆以备不时之需，然而图1所示的USB线缆便携性较差，并且这类传统的USB线缆长短不一、粗细不同，难以捆扎整理，对人们的出行造成了很多烦恼。而如今可穿戴设备越来越普及，可穿戴设备便于携带，但此特性无法为其它设备所共用。
发明内容
本发明实施例提供一种可穿戴设备，除了可以作为可穿戴设备，还可以实现USB线缆功能。
第一方面，提供一种可穿戴设备，包括设备载体、设备核心单元、第一USB接口和第二USB接口、信号通路选择单元，其中：
设备载体，用于承载可穿戴设备的设备核心单元、第一USB接口和第二USB接口、信号通路选择单元，实现设备的可穿戴；
设备核心单元，用于实现可穿戴设备的核心功能；
第一USB接口和第二USB接口，用于连接外部设备；
信号通路选择单元，用于控制所述第一USB接口与所述设备核心单元之间的信号通路、所述第一USB接口与所述第二USB接口之间的信号通路中的一条信号通路连通。
结合第一方面，在第一种可能的实现方式中，所述设备核心单元，还用于向所述信号通路选择单元输出选通控制信号；
所述信号通路选择单元，具体用于根据所述设备核心单元输出的选通控制信号，控制所述第一USB接口与所述设备核心单元之间的信号通路、所述第一USB接口与所述第二USB接口之间的信号通路中的一条信号通路连通。
结合第一方面，在第二种可能的实现方式中，所述信号通路选择单元，具体用于在所述设备核心单元与所述设备载体未分离时，控制所述第一USB接口与所述设备核心单元之间的信号通路连通；在所述设备核心单元与所述设备载体分离时，控制所述第一USB接口与所述第二USB接口之间的信号通路连通。
结合第一方面的第二种可能的实现方式，在第三种可能的实现方式中，所述设备核心单元，还用于在与所述设备载体未分离时，向所述信号通路选择单元输出在位指示信号；
所述信号通路选择单元，具体用于在接收到所述在位指示信号时，控制所述第一USB接口与所述设备核心单元之间的信号通路连通；在未接收到所述在位指示信号时，控制所述第一USB接口与所述第二USB接口之间的信号通路连通。
结合第一方面，第一方面的第一种可能的实现方式，第一方面的第二种可能的实现方式，或者第一方面的第三种可能的实现方式，在第四种可能的实现方式中，所述信号通路包括电源信号通路和数据信号通路中的至少一个。
结合第一方面，第一方面的第一种可能的实现方式，第一方面的第二种可能的实现方式，第一方面的第三种可能的实现方式，或者第一方面的第四种可能的实现方式，在第五种可能的实现方式中，所述可穿戴设备具体为智能手环。
结合第一方面的第五种可能的实现方式，在第六种可能的实现方式中，所述设备载体具体为腕带，所述第一USB接口和所述第二USB接口分别设置在所 述腕带的两端。
结合第一方面，第一方面的第一种可能的实现方式，第一方面的第二种可能的实现方式，第一方面的第三种可能的实现方式，第一方面的第四种可能的实现方式，第一方面的第五种可能的实现方式，或者第一方面的第六种可能的实现方式，在第七种可能的实现方式中，所述第一USB接口具体为USB A口。
结合第一方面，第一方面的第一种可能的实现方式，第一方面的第二种可能的实现方式，第一方面的第三种可能的实现方式，第一方面的第四种可能的实现方式，第一方面的第五种可能的实现方式，第一方面的第六种可能的实现方式，或者第一方面的第七种可能的实现方式，在第八种可能的实现方式中，所述第二USB接口具体为Micro USB B口。
根据第一方面提供的可穿戴设备，在信号通路选择单元控制第一USB接口与第二USB接口之间的信号通路连通时，该可穿戴设备可以实现USB线缆功能，便于携带，易于使用。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：
图1为现有技术中USB线缆的示意图；
图2为本发明实施例提供的可穿戴设备的示意图；
图3为本发明实施例1提供的可穿戴设备的示意图；
图4为本发明实施例2提供的可穿戴设备的示意图；
图5为本发明实施例提供的智能手环的示意图。
具体实施方式
为了给出提高USB线缆的便携性的实现方案，本发明实施例提供了一种可穿戴设备，以下结合说明书附图对本发明的优选实施例进行说明，应当理解， 此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。并且在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
本发明实施例提供一种可穿戴设备，如图2所示，可以包括设备载体100、设备核心单元101、第一USB接口102和第二USB接口103、信号通路选择单元104，其中：
设备载体100，用于承载可穿戴设备的设备核心单元101、第一USB接口102和第二USB接口103、信号通路选择单元104，实现设备的可穿戴；
设备核心单元101，用于实现可穿戴设备的核心功能；
第一USB接口102和第二USB接口103，用于连接外部设备；
信号通路选择单元104，用于控制第一USB接口102与设备核心单元101之间的信号通路、第一USB接口102与第二USB接口103之间的信号通路中的一条信号通路连通。
即信号通路选择单元104，控制第一USB接口102与设备核心单元101之间的信号通路连通，或者控制第一USB接口102与第二USB接口103之间的信号通路连通。
本发明实施例提供的可穿戴设备可以为智能手环、智能颈环等各种可穿戴设备，本发明对此不做具体限定。
可穿戴设备中的设备载体100承载可穿戴设备包括的其它部分，可以实现设备的可穿戴，例如，对于智能手环而言，设备载体100即为腕带。
可穿戴设备中的设备核心单元101可以实现设备的核心功能，例如，对于面向运动人群的智能手环而言，设备核心单元101可以实现计步、心率测量等功能。
在本发明实施例中，可穿戴设备中的第一USB接口102具体用于连接主通信设备或电源设备等外部设备，如计算机、充电器等，因此，该第一USB接口102可以为USB A口，具体为USB A口公头。
在本发明实施例中，可穿戴设备中的第二USB接口103具体用于连接移动便携设备等外部设备，如手机、平板电脑、数码相机等，因此，该第二USB接 口103可以为Micro USB B口，具体为Micro USB B口公头；当然，第二USB接口103也可以为USB Type C口等其它移动便携设备接口，本发明对此不作具体限定。
显然，当第一USB接口102与设备核心单元101之间的信号通路连通时，第一USB接口102即为可穿戴设备自身的充电接口、通信接口；当第一USB接口102与第二USB接口103之间的信号通路连通时，第一USB接口102连接的外部设备与第二USB接口103连接的外部设备之间的信号通路连通，可以实现第二USB接口103连接的外部设备的充电需求、通信需求，即此时，可穿戴设备可作为其它设备的电源线缆、数据线缆，实现了USB线缆功能。
在本发明的一个具体实施例中，设备核心单元101向信号通路选择单元104输出选通控制信号，该选通控制信号用于指示信号通路选择单元104选择哪一路信号通路连通；
信号通路选择单元104，具体可以根据设备核心单元101输出的选通控制信号，控制第一USB接口102与设备核心单元101之间的信号通路、第一USB接口102与第二USB接口103之间的信号通路中的一条信号通路连通。
实际实施时，设备核心单元101可以在按键、机械开关或系统软件等的触发下输出选通控制信号。
在本发明的另一个具体实施例中，若可穿戴设备中设备核心单元101与设备载体100可分离，信号通路选择单元104可以根据设备核心单元101是否在位，即根据设备核心单元101与设备载体100是否未分离，选择信号通路连通。
优选的，为保证满足可穿戴设备自身的充电需求、通信需求，第一USB接口102与设备核心单元101之间信号通路的连通优先级高于第一USB接口102与第二USB接口103之间信号通路的连通优先级。
即信号通路选择单元104，具体用于在设备核心单元101在位，即设备核心单元101与设备载体100未分离时，控制第一USB接口102与设备核心单元101之间的信号通路连通；在设备核心单元101未在位，即设备核心单元101与设备载体100分离时，控制第一USB接口102与第二USB接口103之间的信号通 路连通。
实际实施时，信号通路选择单元104可以采用多种方法确定设备核心单元101是否在位。例如，设备核心单元101可以在在位时向信号通路选择单元104输出在位指示信号；信号通路选择单元104在接收到该在位指示信号时，确定设备核心单元101在位，控制第一USB接口102与设备核心单元101之间的信号通路连通；信号通路选择单元104在未接收到该在位指示信号时，确定设备核心单元101未在位，控制第一USB接口102与第二USB接口103之间的信号通路连通。
上述信号通路均指USB信号通路，可以包括电源信号通路和数据信号通路中的至少一个。即上述信号通路可以仅包括电源信号通路，此时本发明实施例提供的可穿戴设备能够实现USB电源线缆功能；上述信号通路也可以仅包括数据信号通路，此时本发明实施例提供的可穿戴设备能够实现USB数据线缆功能；上述信号通路也可以同时包括电源信号通路和数据信号通路，此时本发明实施例提供的可穿戴设备能够同时实现USB电源线缆功能和USB数据线缆功能。
下面结合附图，用具体实施例对本发明实施例提供的可穿戴设备的实现电路进行说明。
实施例1：
本发明实施例1提供的可穿戴设备具体实现电路如图3所示。该可穿戴设备中设备核心单元101与设备载体100可分离，设备核心单元101在在位时其SEL管脚输出低电平信号，未在位时其SEL管脚输出高电平信号，即在位指示信号为低电平信号。
信号通路选择单元104根据设备核心单元101的SEL管脚的输出信号，控制电源信号通路和数据信号通路的连通。
具体的，信号通路选择单元104由图3中芯片U1和芯片U2实现。
芯片U1为高速USB开关，用于在设备核心单元101的SEL管脚的输出信号为低电平信号时，控制第一USB接口102与设备核心单元101之间的数据信号通路连通；在设备核心单元101的SEL管脚的输出信号为高电平信号时，控 制第一USB接口102与第二USB接口103之间的数据信号通路连通。
芯片U2为通路内阻尽量小的单刀双掷开关，用于在设备核心单元101的SEL管脚的输出信号为低电平信号时，控制第一USB接口102与设备核心单元101之间的电源信号通路连通；在设备核心单元101的SEL管脚的输出信号为高电平信号时，控制第一USB接口102与第二USB接口103之间的电源信号通路连通。
实施例2：
本发明实施例2提供的可穿戴设备中设备具体实现电路如图4所示。该可穿戴设备中设备核心单元101与设备载体100可分离，设备核心单元101在在位时其SEL管脚输出低电平信号，未在位时其SEL管脚输出高电平信号，即在位指示信号为低电平信号。
第一USB接口102与设备核心单元101之间的电源信号通路、第一USB接口102与第二USB接口103之间的电源信号通路均连通；信号通路选择单元104根据设备核心单元101的SEL管脚的输出信号，控制数据信号通路的连通。
此时，信号通路选择单元104仅需要一个高速USB开关即可实现，控制逻辑同前，在此不再赘述。
需要说明的是，上述实施例1和实施例2仅为两个示例，并不用于限定本发明实施例提供的可穿戴设备的具体实现电路。
若本发明实施例提供的可穿戴设备具体为智能手环，如图5所示，此时，设备载体100具体为腕带，USB信号线可以以FPC(Flexible Printed Circuit，柔性印刷电路)形式隐藏于腕带中，第一USB接口102和第二USB接口103可以分别设置在腕带的两端。
当然，本发明实施例提供的可穿戴设备具体也可以为智能颈环等其它可穿戴设备，在此不再图示详述。
综上所述，本发明实施例提供的可穿戴设备，将USB线缆功能隐藏于其中，便于携带，易于使用，避免了现有USB线缆便携性差、占用空间、难以整理等诸多问题，可以提高用户的使用体验。
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明实施例的精神和范围。这样，倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (9)

  1. 一种可穿戴设备，其特征在于，包括设备载体、设备核心单元、第一USB接口和第二USB接口、信号通路选择单元，其中：
    设备载体，用于承载可穿戴设备的设备核心单元、第一USB接口和第二USB接口、信号通路选择单元，实现设备的可穿戴；
    设备核心单元，用于实现可穿戴设备的核心功能；
    第一USB接口和第二USB接口，用于连接外部设备；
    信号通路选择单元，用于控制所述第一USB接口与所述设备核心单元之间的信号通路、所述第一USB接口与所述第二USB接口之间的信号通路中的一条信号通路连通。
  2. 如权利要求1所述的可穿戴设备，其特征在于，所述设备核心单元，还用于向所述信号通路选择单元输出选通控制信号；
    所述信号通路选择单元，具体用于根据所述设备核心单元输出的选通控制信号，控制所述第一USB接口与所述设备核心单元之间的信号通路、所述第一USB接口与所述第二USB接口之间的信号通路中的一条信号通路连通。
  3. 如权利要求1所述的可穿戴设备，其特征在于，所述信号通路选择单元，具体用于在所述设备核心单元与所述设备载体未分离时，控制所述第一USB接口与所述设备核心单元之间的信号通路连通；在所述设备核心单元与所述设备载体分离时，控制所述第一USB接口与所述第二USB接口之间的信号通路连通。
  4. 如权利要求3所述的可穿戴设备，其特征在于，所述设备核心单元，还用于在与所述设备载体未分离时，向所述信号通路选择单元输出在位指示信号；
    所述信号通路选择单元，具体用于在接收到所述在位指示信号时，控制所述第一USB接口与所述设备核心单元之间的信号通路连通；在未接收到所述在位指示信号时，控制所述第一USB接口与所述第二USB接口之间的信号通路连通。
  5. 如权利要求1-4任一所述的可穿戴设备，其特征在于，所述信号通路包 括电源信号通路和数据信号通路中的至少一个。
  6. 如权利要求1-5任一所述的可穿戴设备，其特征在于，所述可穿戴设备具体为智能手环。
  7. 如权利要求6所述的可穿戴设备，其特征在于，所述设备载体具体为腕带，所述第一USB接口和所述第二USB接口分别设置在所述腕带的两端。
  8. 如权利要求1-7任一所述的可穿戴设备，其特征在于，所述第一USB接口具体为USB A口。
  9. 如权利要求1-8任一所述的可穿戴设备，其特征在于，所述第二USB接口具体为Micro USB B口。
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