WO2020097929A1 - 基于无线供电电源坞的机器定位方法 - Google Patents

基于无线供电电源坞的机器定位方法 Download PDF

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Publication number
WO2020097929A1
WO2020097929A1 PCT/CN2018/115993 CN2018115993W WO2020097929A1 WO 2020097929 A1 WO2020097929 A1 WO 2020097929A1 CN 2018115993 W CN2018115993 W CN 2018115993W WO 2020097929 A1 WO2020097929 A1 WO 2020097929A1
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WO
WIPO (PCT)
Prior art keywords
information
power
tracked
dock
power dock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/115993
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English (en)
French (fr)
Inventor
朱思君
谢崇军
张皖
胡锐
文大悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mindray Bio Medical Electronics Co Ltd
Original Assignee
Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Mindray Bio Medical Electronics Co Ltd filed Critical Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority to CN201880097301.7A priority Critical patent/CN112673578B/zh
Priority to PCT/CN2018/115993 priority patent/WO2020097929A1/zh
Priority to CN202210122230.XA priority patent/CN114501415A/zh
Publication of WO2020097929A1 publication Critical patent/WO2020097929A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • 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
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment

Definitions

  • the invention relates to a device and a positioning method thereof, in particular to a power dock and a method and system for positioning the device based on the power dock.
  • Equipment management system constraints users must place the equipment in a fixed location after use to avoid the equipment being difficult to find or even lose;
  • the present invention mainly provides a device positioning method based on a power dock, where the power dock is not only used to provide power to the device, but also can communicate wirelessly with the device, and together with the terminal to estimate the location information of the device without additional Add hardware accessories.
  • an embodiment provides a device positioning method based on a power dock, where the power dock is used to provide power to a device, including:
  • the power dock acquires first information of the device to be tracked, where the first information includes identity information of the device to be tracked and second information used to determine the current location of the device to be tracked;
  • the power dock sends third information related to the device to be tracked to the terminal, where the third information includes the identity information of the power dock and the first information of the device to be tracked;
  • the terminal obtains the location information of the device to be tracked according to the third information.
  • an embodiment provides a device positioning method based on a power dock, where the power dock is used to provide power to the device, including:
  • the power dock acquires first information of the device to be tracked, where the first information includes identity information of the device to be tracked and second information used to determine the current location of the device to be tracked;
  • the power dock sends third information related to the device to be tracked to the terminal, so that the terminal obtains the position information of the device to be tracked according to the third information, and the third information includes the identity information of the power dock and the first information of the device to be tracked.
  • an embodiment provides a device positioning method based on a power dock, where the power dock is used to provide power to at least one device, including:
  • the terminal receives third information related to the device to be tracked sent by the power dock, and the third information includes identity information of the power dock, identity information of the device to be tracked, and second information used to determine the current location of the device to be tracked;
  • an embodiment provides a method for finding a power dock for searching for a power dock that can provide power to a device through a device or a terminal, including:
  • the position information of the power dock is determined according to the communication signal.
  • an embodiment provides a device positioning system, including:
  • the power dock is used to provide power for the device, and the power dock is used to obtain the first information of the device to be tracked.
  • the first information includes the identity information of the device to be tracked and the second information used to determine the current location of the device to be tracked.
  • the dock After obtaining the first information of the device to be tracked, the dock sends third information to the terminal, where the third information includes the identity information of the power dock and the first information of the device to be tracked;
  • the terminal is used to estimate the location information of the device to be tracked based on the third information.
  • an embodiment provides a power dock, including:
  • the power supply device is used to provide power for at least one movable device
  • the power supply detector is used to detect whether the power supply device is supplying power to the device, and when detecting that the power supply device is supplying power to the device, obtain the identity information of the device, and provide the device identity information and the power dock to the device
  • the meaning of electrical energy is used as the first information of the device
  • the first communication device is used for short-range communication with the device, and obtains the distance-related information between the power dock and the device according to the communication signal with the device, and uses the distance-related information as the second information of the device to be tracked ;
  • the second communication device is used to send the identity information and distance related information of the power dock to the terminal, the second information includes information used to determine the current location of the device to be tracked, and the third information includes the identity information of the power dock and the to-be-tracked
  • the first information of the device where the first information includes the identity information of the device to be tracked and second information used to determine the current location of the device to be tracked.
  • an embodiment provides a terminal for positioning a device based on a power dock, where the power dock is used to provide power for at least one removable device, and the terminal includes
  • the receiving interface is used to receive third information related to the device to be tracked sent by the power dock, and the third information includes the identity information of the power dock, the identity information of the device to be tracked, and the second information used to determine the current position of the device to be tracked information;
  • the processor is configured to estimate the position information of the device to be tracked based on the third information.
  • an embodiment provides an apparatus for positioning a device based on a power dock, where the power dock is used to provide electrical energy for at least one removable device, and the terminal includes:
  • a processor configured to implement the above method by executing a program stored in a memory
  • the display is used to automatically display or display the location information of the device to be tracked based on the query instruction input by the user.
  • an embodiment provides an electronic device, including:
  • the receiving interface is used to receive the communication signal between the electronic device and the power dock, and the communication signal includes the identity information of the power dock, and the power dock is used to provide electrical energy to the electronic device;
  • the display is used to automatically display or display the location information of the device to be tracked based on the query instruction input by the user.
  • an embodiment provides a computer-readable storage medium, including a program, which can be executed by a processor to implement the above method.
  • the wireless communication between the power dock and the device can estimate the location information of the device without adding additional hardware, which is convenient for the user to find the device, and brings a The earth is convenient.
  • FIG. 1 is a schematic diagram of the distribution of a power dock of an embodiment
  • Figure 2 is a schematic diagram of the structure of the device positioning system
  • FIG. 3 is a flow chart of device positioning by an equipment positioning system according to an embodiment
  • FIG. 4 is a flowchart of a process for determining second information of a device to be tracked according to an embodiment
  • FIG. 5 is a flowchart of a process of calculating the location of a device to be tracked by a terminal according to an embodiment
  • FIG. 6 is a schematic diagram of estimating location information of a device to be tracked according to an embodiment
  • FIG. 7 is a schematic diagram of estimating location information of a device to be tracked in another embodiment
  • FIG. 8 is a structural diagram of a device for searching for a power dock according to an embodiment
  • FIG. 9 is a flowchart of a process of searching for a power dock according to an embodiment.
  • connection and “connection” mentioned in this application, unless otherwise specified, include direct and indirect connection (connection).
  • the device that provides charging power for medical devices is called a power dock (Dock).
  • the power dock is A fixed installation device that can be installed on walls, corners, or the ground that does not interfere with traffic.
  • the power dock can be installed in the room, can also be installed on the side of the corridor, or other locations specified by the user.
  • the power dock is connected to the city power and provides electrical energy for medical equipment. Rechargeable medical equipment is usually easy to move. When the medical equipment needs power, it can be moved or transferred to an available power dock.
  • the power dock provides power for it .
  • the medical device can be directly connected to the power dock for power supply, or the power dock can be used to charge the medical device in a wired or wireless manner.
  • DOCK1, DOCK2, DOCK3, and DOCK4 are distributed in the corridor, room 2, and room 3, respectively, and they can communicate with machine 1, machine 2, machine 3, and the terminal as the device to be tracked, thereby 1. Estimate the position of machine 2 and machine 3.
  • a device positioning method based on a power dock in which a power dock (Dock) is not only used to provide power to the device, but also can communicate wirelessly with the device to obtain the identity information of the device And the information used to determine the current location of the device, and then sent to the terminal together with the identity information of the power dock itself, the terminal can obtain information related to the location of the device based on the information, and further estimate the precise location or approximate of the device position.
  • a power dock Dock
  • the terminal can obtain information related to the location of the device based on the information, and further estimate the precise location or approximate of the device position.
  • the wireless communication between the power dock and the electronic device can also be used to determine the distance between each power dock and the medical device that needs to be charged.
  • the structure block diagram of the device positioning system adopted in this embodiment is shown in FIG. 2.
  • the device positioning system 10 includes a power dock 11 for providing power to the device and a terminal 12 for estimating the location information of the device to be tracked.
  • the power dock 11 can also communicate with the device 13 to be tracked and the terminal 12 respectively.
  • the power dock 11 and the device to be tracked 13 can be connected by wireless communication, such as radio frequency, Bluetooth, WIFI, ZigBee, Hilink protocol, Mesh, Thread, or Z-Wave and other short-distance communication methods.
  • the power dock 11 and the terminal 12 can be connected by wired communication or wireless communication.
  • the wired communication can be an internet network connection or a power line communication.
  • the power line communication refers to a power cat using a broadband Internet connection via a power line (power line communication modem) ) To implement communication between the power dock 11 and the terminal 12.
  • the power dock 11 is used to obtain first information of the device to be tracked, the first information includes identity information of the device to be tracked and second information used to determine the current position of the device to be tracked, the power dock 11 is also used to send third information related to the device to be tracked to the terminal 12 after obtaining the first information of the device to be tracked, where the third information includes the identity information of the power dock 11 and the first information of the device to be tracked.
  • the device to be tracked may be one device, or may be multiple devices, or may be all devices applicable to the embodiments of the present invention, for example, the device to be tracked may be an ultrasound medical imaging device or a portable ultrasound trolley used in a hospital Or other medical instruments and equipment.
  • the power dock 11 can transmit a broadcast signal, and the device 13 to be tracked that receives the broadcast signal establishes a wireless communication connection with the power dock 11 and returns an answer signal.
  • the power dock 11 is based on the answer signal and whether it is waiting for this
  • the meaning that the tracking device provides electrical energy means acquiring the first information of the device to be tracked.
  • the device to be tracked 13 can transmit a broadcast signal, and the power dock 11 that receives the broadcast signal establishes a wireless communication connection with the device to be tracked 13 and returns a response signal, and the device to be tracked returns a response to this response signal.
  • the power dock 11 indicates that the first information of the device to be tracked is obtained according to the response signal again and whether it is providing power to the device to be tracked.
  • the first information includes identity information of the device to be tracked and second information used to determine the current location of the device to be tracked.
  • the wireless communication mode between the power dock 11 and the device to be tracked 13 may adopt a short-range communication mode such as radio frequency mode, Bluetooth, WIFI, ZigBee, Hilink protocol, Mesh, Thread, or Z-Wave.
  • the power dock 11 includes a power supply device 111, a power supply detector 112, a first communication device 113 and a second communication device 114.
  • the power supply device 111 is used to provide power for at least one device to be tracked.
  • the power supply device 111 may include a socket connected to the commercial power, and when a power plug of the device is inserted into the socket, the device is provided with wired power supply.
  • the power supply device 111 may also include a voltage converter that converts AC power to DC power and outputs a predetermined voltage. When a charging plug of a rechargeable device is inserted into the socket, the device is wiredly charged.
  • the power supply device 111 may further include a wireless power supply port, which provides wireless charging for a device when a rechargeable device is near.
  • the wireless power supply port of the power dock is used as the transmitter end of the wireless power supply, and the receiver end of the wireless power supply is correspondingly configured on the rechargeable device, and the two cooperate to realize the power transmission.
  • the power supply detector 112 is signal-connected to the power supply device 111 and the first communication device 113 respectively, and is used to detect whether the power supply device 111 is supplying power to the device to be tracked. For the case where the power dock provides power to the device to be tracked through the plug and socket connection, when the device to be tracked is connected to the power dock, a level signal can be triggered, and the power supply detector 112 can detect the level signal, thereby detecting The power supply device 111 is supplying power to the device to be tracked, and the meaning indicating that the power to be tracked is being provided as the second information of the device to be tracked.
  • the power supply detector 112 can judge by detecting the power output of the power supply device 111 Whether the power supply device 111 is supplying power to the device to be tracked, when it is detected that the power supply device 111 is supplying power to the device to be tracked, it means that the power supply to the device to be tracked is being used as the second information of the device to be tracked .
  • the meaning that the power to be tracked is being supplied to the device to be tracked may be a predetermined high-low level signal or a power value.
  • the power supply detector 112 is connected to the second communication device 114, and when the power supply detector 112 detects that the power supply device 111 supplies power to the device to be tracked, the identity information of the device to be tracked is acquired, and the identity information of the device to be tracked and the power dock 11
  • the meaning of providing power to the device to be tracked is the first information of the device to be tracked, and then the first information is sent to the second communication device 114.
  • the first communication device 113 is used for short-range communication with the device, detects the communication signal with the device to be tracked, acquires distance-related information between the power dock 11 and the device according to the communication signal, and uses the distance-related information as the second of the device Information, the second information and the identity information of the device constitute the first information of the device.
  • the distance-related information includes the distance between the power dock 11 and the device to be tracked or a parameter used to calculate the distance, and the parameter to calculate the distance includes the signal strength or transmission time of the communication signal.
  • the first communication device 113 is used to implement wireless communication between the power dock 11 and the device to be tracked 13, and the wireless communication method may use short-range communication such as radio frequency, Bluetooth, WIFI, ZigBee, Hilink protocol, Mesh, Thread, or Z-Wave the way.
  • short-range communication such as radio frequency, Bluetooth, WIFI, ZigBee, Hilink protocol, Mesh, Thread, or Z-Wave the way.
  • the second communication device 114 is respectively connected to the power supply detector 112 and the first communication device 113, obtains the first information from the power supply detector 112 or the first communication device 113, and then connects the identity information of the power dock 11 and the first A piece of information is synthesized into third information, and the third information is sent to the terminal 12.
  • the first information of the device to be tracked means that the power supply detector 112 is providing power to the device to be tracked; when the power supply device 111 has not yet been to be tracked
  • the first information of the device to be tracked is distance related information of the device to be tracked from the first communication device 113.
  • the second communication device 114 and the terminal may be connected by wired communication or wireless communication, such as an internet network or a power cat.
  • the device for acquiring the identity information of the device to be tracked may be either the power supply device 111, the first communication device 113, or both devices have the function of acquiring the identity information of the device to be tracked.
  • the power supply device 111 is supplying power to the device to be tracked
  • at least one of the power supply device 111 and the first communication device 113 may be used to obtain the identity information of the device to be tracked, preferably the power supply device 111, at this time
  • the first communication device 113 may no longer detect the communication signal with the device to be tracked after receiving the information from the power supply detector 112 that is providing power to the device to be tracked; when the power supply device 111 has not provided power to the device to be tracked,
  • the first communication device 113 is used to obtain the identity information of the device to be tracked.
  • the terminal 12 is configured to receive third information related to the device to be tracked and sent by the power dock 11, wherein the third information includes the identity information of the power dock 11, the identity information of the device to be tracked, and the information used to determine the current location of the device to be tracked
  • the second information then obtain the position information of the power dock according to the identity information of the power dock in the third information; when the second information is the meaning that the power dock is providing power for the device to be tracked, it means that the device to be tracked is approaching the power dock
  • the location of the device to be tracked can be determined according to the location information of the power dock.
  • the position information of the device to be tracked is determined according to the position information of the power dock and the distance-related information, which will be described in detail later.
  • the terminal 12 includes a first receiving interface 121 signal-connected to the power dock 11 and a position detection module 122 signally connected to the first receiving interface 121.
  • the position detection module 122 may be implemented by the processor of the terminal 12.
  • the first receiving interface 121 is used to receive third information related to the device to be tracked and sent by the power dock 11, and send the third information to the position detection module 122.
  • the position detection module 122 is used to estimate the position information of the device to be tracked according to the received third information. It includes a first unit 122a, a second unit 122b and a third unit 122c.
  • the first unit 122a is used to obtain the position information of the power dock according to the identity information of the power dock in the third information.
  • the position information of each power dock is set in advance before positioning the device, and the setting method is user input or the power dock is transmitted to the terminal 12 through the communication device.
  • the second unit 122b is used to use the position information of the power dock as the position information of the device to be tracked when the second information related to the device to be tracked is a meaning representation that the power dock is providing power to the device to be tracked.
  • the third unit 122c is used to determine the position information of the device to be tracked based on the position information and the distance related information of the power dock when the second information related to the device to be tracked is the distance related information between the power dock and the device to be tracked.
  • the distance-related information is a parameter used to calculate the distance between the power dock 11 and the device to be tracked
  • the third unit 122c is also used to calculate the power dock 11 and the device to be tracked according to the parameter of the distance between the power dock 11 and the device to be tracked the distance between.
  • the third unit 122c also determines the location information of the device to be tracked according to the number of power docks that have sent third information related to the device to be tracked.
  • the terminal 12 further includes a display (not shown in the figure).
  • the display is used to display the location information of the device to be tracked, which may be automatically displayed or based on a query instruction input by the user.
  • the terminal further includes an input module, which may be, for example, a keyboard, a mouse, etc., or a touch screen integrated with the display.
  • the input module is a keyboard, the user can directly input operation information or operation instructions through the input module; when the input module is a mouse or touch screen, the user can connect the input module to the soft keyboard, operation icons, and tabs on the display interface. Menu options etc. are combined to complete the input of operation query instructions.
  • the query instruction may be at least one of the identification number, category information, charging information, usage status, or location information of the device to be tracked.
  • the terminal may be a server, a host of the management system, or a portable device (such as a tablet computer or a mobile phone), and the terminal can query the location of the device to be tracked through the application system installed on it.
  • a portable device such as a tablet computer or a mobile phone
  • the process of device positioning by the device positioning system includes the following steps:
  • Step 101 The power dock acquires the first information of the device to be tracked.
  • the first information includes identity information of the device to be tracked and second information used to determine the current location of the device to be tracked.
  • the second information used to determine the current position of the device to be tracked includes an indication that power is being provided to the device to be tracked, or information about the distance between the power dock and the device to be tracked.
  • the determination process of the second information includes the following steps:
  • Step 1011 the power dock detects whether power is being provided to the device to be tracked.
  • the power dock provides power to the device to be tracked through the power supply device
  • the power supply detector is signal-connected to the power supply device, and learns from the power supply device whether the power dock is providing power to the device to be tracked.
  • step 1012 is performed; when the power dock has not yet provided power to the device to be tracked, step 1013 is performed.
  • the power dock regards the meaning of providing power to the device to be tracked as the second information of the device to be tracked.
  • the meaning that the power dock is providing power to the device to be tracked not only includes the case where the power dock is providing power to the device to be tracked; it also includes that the power dock has established a charging connection with the device to be tracked, but has not turned on charging And charging has been completed, but the charging connection between the power dock and the device to be tracked is still there.
  • Step 1013 The power dock detects the communication signal with the device to be tracked, and obtains information about the distance between the power dock and the device to be tracked according to the communication signal.
  • the first communication device of the power dock can be wirelessly connected to the device to be tracked in real time and receive the response signal of the device to be tracked, or based on the information that the power dock has not provided power to the device to be tracked and the track
  • the device establishes a wireless communication connection and receives a response signal from the device to be tracked.
  • the response signal is the communication signal between the power dock and the device to be tracked.
  • the communication signal includes not only the distance-related information between the power dock and the device to be tracked, but also the identity information of the device to be tracked.
  • the distance-related information includes the distance between the power dock and the device to be tracked or a parameter used to calculate the distance, and the parameter to calculate the distance includes the signal strength or transmission time of the communication signal.
  • the parameter for calculating the distance is the signal strength of the communication signal between the power dock and the device to be tracked, the stronger the signal strength of the communication signal, the shorter the distance between the two, the weaker the signal strength, and the The longer the distance;
  • the parameter for calculating the distance is the transmission time of the communication signal between the power dock and the device to be tracked, the shorter the transmission time, the shorter the distance between the two, the longer the transmission time, the The longer the distance.
  • Step 1014 Use the distance-related information as second information of the device to be tracked.
  • the second information of the device to be tracked determined according to the above steps and the identity information of the device to be tracked together constitute the first information of the device to be tracked.
  • Step 102 The power dock sends third information related to the device to be tracked to the terminal.
  • the third information includes the identity information of the power dock and the first information of the device to be tracked determined in step 101.
  • the power dock sends the third information related to the device to be tracked to the terminal through wired communication or wireless communication.
  • Step 103 The terminal obtains the location information of the device to be tracked according to the third information. Because the terminal communicates with at least one power dock at the same time, one power dock may send multiple third information related to different devices, and one device may wirelessly communicate with multiple power docks, so the terminal calculates to be tracked based on the third information When the location information of the device needs to be checked and judged for the third information multiple times. Referring to FIG. 5, the process for the terminal to calculate the location of the device to be tracked according to the third information includes the following steps:
  • Step 1031 the terminal receives third information related to the device to be tracked and sent by the power dock;
  • Step 1032 Obtain the position information of the power dock according to the identity information of the power dock in the third information. Because the power dock is a fixed installation device, the position information of each power dock can be set before positioning the device. The setting method can be user input or the power dock is transmitted to the terminal through the communication device. Then, according to the identity information of the power dock in the third information, the location information of the corresponding power dock can be found from the terminal.
  • step 1033 the terminal finds in the third information whether there is second information indicating that the power dock is providing power for the device to be tracked. If it is found that the power dock is providing power for the device to be tracked, then step 1034 is performed; if no such meaning is found, then step 1035 is performed.
  • Step 1034 Use the position information of the power dock as the position information of the device to be tracked.
  • the power dock is providing power for the device to be tracked, so the device to be tracked is located at the charging position of the corresponding power dock, and the position information of the power dock can be used as the position information of the device to be tracked.
  • Step 1036 Obtain the distance between the power dock and the device to be tracked from the distance-related information between the power dock and the device to be tracked.
  • the second information of the device to be tracked is distance related information between the power dock and the device to be tracked.
  • the distance-related information includes the distance between the power dock and the device to be tracked or a parameter used to calculate the distance.
  • the distance-related information is a parameter used to calculate the distance
  • the distance between the power dock and the device to be tracked needs to be calculated.
  • step 1035 is directly skipped and step 1036 is entered.
  • Step 1036 Determine whether the number of power docks that have sent third information related to the device to be tracked is one. If the number is 1, step 1037 is executed, and if the number is more than one, step 1038 is executed.
  • Step 1037 Estimate the position information of the device to be tracked according to the third information sent by the power dock.
  • the second information of the device to be tracked is distance related information between the power dock and the device to be tracked, and the distance between the power dock and the device to be tracked has been obtained in step 1035 according to the distance related information.
  • the position information of the device to be tracked can be estimated based on this distance and the position information of the power dock.
  • the device to be tracked can be located at the center of the power dock to correspond The distance is on the circumference of the radius.
  • the power dock (Dock) is installed on the surface of the wall, its position information is determined and recorded in the terminal, denoted as O, the distance between the power dock and the device to be tracked is denoted as R, as shown in the figure, take the position O of the power dock as the center of the circle, and R as the radius to draw a circle, then the device to be tracked is located on the circle shown by the dotted line in the figure (for example: point A or Point B).
  • Step 1038 Estimate the location information of the device to be tracked based on the third information sent by each power dock.
  • multiple power docks send third information related to the device to be tracked
  • the second information of the device to be tracked is distance related information between each power dock and the device to be tracked
  • step 1035 The distance between each power dock and the device to be tracked has been obtained according to the distance-related information.
  • the position information of the device to be tracked can be estimated based on the distance and the position information of each power dock. For example, the device to be tracked can be located with each power dock as the center The distance corresponding to the power dock is the intersection of multiple circles of radius.
  • both power docks are installed on the surface of the wall, and the position information is determined and There are records in the terminal, which are respectively denoted as O 1 and O 2 , and the distance between the two power docks and the device to be tracked are respectively denoted as R 1 and R 2.
  • the position of the power dock is O 1
  • O 2 is the center of the circle
  • R 1 and R 2 are the radius to draw a circle
  • the two circles intersect at point C
  • the device to be tracked is located at the position corresponding to point C in the figure.
  • the number of power docks that have sent third information related to the device to be tracked may also be at least three.
  • the device to be tracked is located at the center of each power dock and the distance corresponding to each power dock is At the intersection of multiple circles of radius, because under normal circumstances, combined with the actual situation, the position information of the device to be tracked can be estimated through two power docks related to the device to be tracked, at this time you can choose two from The power dock associated with the device to be tracked estimates the location information of the device to be tracked.
  • the location information of the device to be tracked can be obtained through the above steps.
  • the location information of the device to be tracked can also be automatically displayed on the display or based on the query instruction input by the user. For example, when the device positioning system is applied to a hospital, the location of each medical device can be viewed through the terminal, so that the user can easily find available medical devices. If the user needs to find the location of a certain device (or a certain type of device), only You need to find the location information of the device (or devices of this type) on the terminal display to easily find the device you need.
  • the power dock by using the power dock to communicate with the electronic device and / or terminal, the power dock that can provide power to the electronic device can also be found through the electronic device or terminal. In a specific embodiment, it relates to an electronic device. As shown in FIG. 8, the electronic device 20 includes a second receiving interface 21 and a fifth unit 22.
  • the second receiving interface 21 is used for short-distance communication with each power dock, and receives a communication signal between the electronic device 20 and each power dock.
  • the communication signal includes the identity information of each power dock.
  • the fifth unit 22 is in signal connection with the second receiving interface 21 and is used to obtain the position information of the power dock according to the communication signal between the electronic device 20 and each power dock. It can calculate the distance between the electronic device and the power dock based on the detected signal strength and / or communication time of the communication signal, and then determine the distance of each power dock relative to the electronic device.
  • the communication signal further includes status information
  • the corresponding electronic device further includes a sixth unit for determining whether the power dock is idle according to the status information.
  • the status information can be that the power dock is providing power to other devices; it can also be the charging level of other electronic devices being charged by the power dock; or the power output of the power dock, such as output power; or it can be the power dock. Fault conditions. When the power dock is charging other devices, or the power dock is currently unavailable due to a fault, etc., the power dock cannot be used to provide power to the device, which is in a non-idle state for the device.
  • the fifth unit and the sixth unit of the electronic device can be implemented by their processors.
  • the method of finding a power dock that can provide power for the electronic device through the electronic device includes the following steps:
  • Step 201 Receive a communication signal between the electronic device and each power dock.
  • the communication signal includes the identity information and status information of each power dock.
  • Step 202 Find the power dock currently in the idle state as an alternative power dock in the communication signal of each power dock. Because of the power dock corresponding to each communication signal received by the electronic device, there may be a situation where part of the power dock is providing power to other devices. At this time, the power dock is in a non-idle state for the device, so looking for When the power dock of the device provides power, it is necessary to exclude the power dock that is in a non-idle state for the device.
  • the communication signal also includes information that the power dock is in a fault state. At this time, it is also determined that the power dock is in a non-idle state for the device, and does not belong to the alternative power dock.
  • Step 203 Detect the signal strength and / or communication time of the communication signal between the electronic device and each candidate power dock.
  • the communication signal between the electronic device and each alternative power supply dock is detected.
  • the signal strength of the communication signal can be detected, the communication time of the communication signal can also be detected, or both can be detected at the same time.
  • Step 204 Calculate the distance between the electronic device and each power dock based on the communication signal between the electronic device and each power dock.
  • the distance between the electronic device and each power dock may be the actual distance between the electronic device and each power dock calculated according to signal strength and / or communication time, for example, one power dock is 10 meters away from the device, and the other power dock 12 meters away from the device.
  • the distance between the device and each power dock may also be a relative distance between the device and each power dock calculated according to the signal strength and / or communication time, for example, the distance from the device to near
  • the power docks are Dock1, Dock3 ..., Dock4.
  • Step 205 According to the distance between the electronic device and each power dock, determine the candidate power dock closest to the electronic device to provide power for the electronic device. According to the actual distance or relative distance between the device and each candidate power dock obtained in step 204, the power dock closest to the device can be obtained. In a specific embodiment, the user can select an alternative power dock closest to the device in an idle state to charge the device. In other embodiments, the terminal can also be used to find a power dock that can provide power for the electronic device to be charged. In this case, communication between the terminal and the electronic device to be charged is required.
  • the device to be charged receives the electronic device and each After the communication signal between the power docks, the communication signal and the identity information of the electronic device are sent to the terminal, and the terminal determines the candidate power dock closest to the electronic device to be charged according to the communication signal according to steps 202-205
  • Electronic equipment provides electrical energy. After that, according to actual needs, it is selected to send the location information of the candidate power dock closest to the electronic device to be charged to the electronic device, or send the distance information between the electronic device and each power dock to the electronic device.
  • step 202 can also be transferred to after step 204, or the power dock in the non-idle state can be excluded, but the power dock in the non-idle state can be displayed in different display modes, for example, in The power dock in the idle state and the power dock in the non-idle state are displayed in different colors, thereby prompting the user in a visual way which power dock is in the idle state.
  • any tangible, non-transitory computer-readable storage medium can be used, including magnetic storage devices (hard disks, floppy disks, etc.), optical storage devices (CD-ROM, DVD, Blu-ray disks, etc.), flash memory, and / or the like .
  • These computer program instructions can be loaded onto a general-purpose computer, a dedicated computer, or other programmable data processing equipment to form a machine, so that these instructions executed on a computer or other programmable data processing device can generate a device that implements a specified function.
  • Computer program instructions can also be stored in a computer-readable memory, which can instruct the computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory can form a piece Manufactured products, including implementation devices that implement specified functions.
  • Computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of operating steps are performed on the computer or other programmable device to produce a computer-implemented process that allows the computer or other programmable device to execute Instructions can provide steps for implementing specified functions.

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Abstract

一种设备及其定位方法、系统和电源坞，电源坞用于为设备提供电能，设备定位方法包括：电源坞获取待跟踪设备的第一信息，第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；电源坞向终端发送与待跟踪设备相关的第三信息，第三信息中包括电源坞的身份信息和所述待跟踪设备的第一信息；终端根据第三信息得到待跟踪设备的位置信息。通过该定位方法对设备进行定位，不需要额外引入的附加设备即可通过电源坞和终端对设备进行自动定位。

Description

基于无线供电电源坞的机器定位方法 技术领域
本发明涉及一种设备及其定位方法，具体涉及一种电源坞及基于电源坞对设备进行定位的方法和系统。
背景技术
在中大型医院中，很多医疗设备可能放置在不同的科室、不同的房间中，这将导致医生或护士经常需要花费大量时间寻找设备，在浪费时间的同时还有可能会延误对病人病情的诊断。
针对此问题，现有的解决方案是:
1、设备管理制度约束：要求使用者使用完成必须将设备放置在固定位置，以避免设备很难被找到甚至丢失；
2、室内定位技术：在设备上安装专门的定位通讯模块，并在医院布置相应的网络，以实现机器定位。
这样虽然能在一定程度上解决很难找到设备的问题，但同时也存在以下问题：
1、制度约束依赖于用户的主观意识，以及客观条件的限制，效果不好，例如当医生有其他事情急需处理时，可能来不及将设备放置于固定位置；
2、采用专门的室内定位技术，需要额外增加硬件配置，还可能需要在医院布置相应的网络来实现机器的定位，增加了成本。
发明内容
本发明主要提供一种基于电源坞的设备定位方法，其中电源坞不仅用于为设备提供电能，还能与设备进行无线通信，并与终端一起对设备的位置信息进行估测，而不需要额外增加硬件配件。
根据第一方面，一种实施例中提供一种基于电源坞的设备定位方法,电源坞用于为设备提供电能，包括：
电源坞获取待跟踪设备的第一信息，第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；
电源坞向终端发送与待跟踪设备相关的第三信息，第三信息中包括电源坞的身份信息和待跟踪设备的第一信息；
终端根据第三信息得到待跟踪设备的位置信息。
根据第二方面，一种实施例中提供一种基于电源坞的设备定位方法,电源坞用于为设备提供电能，包括：
电源坞获取待跟踪设备的第一信息，第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；
电源坞向终端发送与待跟踪设备相关的第三信息，以便终端根据第三信息得到待跟踪设备的位置信息，第三信息中包括电源坞的身份信息和所述待跟踪设备的第一信息。
根据第三方面，一种实施例中提供一种基于电源坞的设备定位方法,电源坞用于为至少一个设备提供电能，包括：
终端接收电源坞发送的与待跟踪设备相关的第三信息，第三信息中包括电源坞的身份信息、待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；
根据第三信息估测待跟踪设备的位置信息。
根据第四方面，一种实施例中提供一种查找电源坞的方法，用于通过设备或终端查找可为设备提供电能的电源坞，包括：
接收设备和电源坞之间的通信信号，通信信号中包括电源坞的身份信息；
根据所述通信信号确定电源坞的位置信息。
根据第五方面，一种实施例中提供一种设备定位系统,包括：
电源坞，用于为设备提供电能，电源坞用于获取待跟踪设备的第一信息，第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息，电源坞在得到待跟踪设备的第一信息后向终端发送第三信息，第三信息中包括电源坞的身份信息和待跟踪设备的第一信息；
终端，用于根据第三信息估测待跟踪设备的位置信息。
根据第六方面，一种实施例中提供一种电源坞，包括：
电能提供装置，用于为至少一个可移动式设备提供电能；
供电检测器，用于检测电能提供装置是否正在为设备提供电能，并在检测到电能提供装置为设备提供电能时，获取设备的身份信息，并将 设备的身份信息和电源坞正在为该设备提供电能的意思表示作为该设备的第一信息；
第一通信装置，用于与设备进行短距离通信，并根据与设备之间的通信信号获取电源坞和设备之间的距离相关信息，并将该距离相关信息作为该待跟踪设备的第二信息；
第二通信装置，用于将电源坞的身份信息和距离相关信息发送给终端，第二信息包括用于确定该待跟踪设备当前位置的信息，第三信息中包括电源坞的身份信息和待跟踪设备的第一信息，第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息。
根据第七方面，一种实施例中提供一种基于电源坞对设备进行定位的终端，电源坞用于为至少一个可移动式设备提供电能，终端包括
接收接口，用于接收电源坞发送的与待跟踪设备相关的第三信息，第三信息中包括电源坞的身份信息、待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；
处理器，用于根据第三信息估测待跟踪设备的位置信息。
根据第八方面，一种实施例中提供一种基于电源坞对设备进行定位的装置，电源坞用于为至少一个可移动式设备提供电能，终端包括：
存储器，用于存储程序；
处理器，用于通过执行存储器存储的程序以实现上述的方法；
显示器，用于自动显示或基于用户输入的查询指令显示待跟踪设备的位置信息。
根据第九方面，一种实施例中提供一种电子设备，包括：
接收接口，用于接收电子设备和电源坞之间的通信信号，通信信号中包括电源坞的身份信息，电源坞用于为电子设备提供电能；
处理器，用于根据通信信号得到电源坞的位置信息；以及
显示器，用于自动显示或基于用户输入的查询指令显示待跟踪设备的位置信息。
根据第十方面，一种实施例中提供一种计算机可读存储介质，包括程序，程序能够被处理器执行以实现上述的方法。
依据上述实施例的设备定位方法、系统和电源坞，通过电源坞和设备的无线通信，在不增加额外硬件的基础上对设备的位置信息进行估测，方便用户查找设备，给用户带了极大地便利。
附图说明
图1为一种实施例的电源坞的分布示意图；
图2为设备定位系统的结构示意；
图3为一种实施例的设备定位系统对设备定位的流程图；
图4为一种实施例的待跟踪设备第二信息的确定过程的流程图；
图5为一种实施例的终端计算待跟踪设备位置的过程的流程图；
图6为一种实施例的估测待跟踪设备的位置信息的示意图；
图7为另一种实施例的估测待跟踪设备的位置信息的示意图；
图8为一种实施例的查找电源坞的设备的结构图；
图9为一种实施例的查找电源坞的过程的流程图。
具体实施方式
下面通过具体实施方式结合附图对本发明作进一步详细说明。其中不同实施方式中类似元件采用了相关联的类似的元件标号。在以下的实施方式中，很多细节描述是为了使得本申请能被更好的理解。然而，本领域技术人员可以毫不费力的认识到，其中部分特征在不同情况下是可以省略的，或者可以由其他元件、材料、方法所替代。在某些情况下，本申请相关的一些操作并没有在说明书中显示或者描述，这是为了避免本申请的核心部分被过多的描述所淹没，而对于本领域技术人员而言，详细描述这些相关操作并不是必要的，他们根据说明书中的描述以及本领域的一般技术知识即可完整了解相关操作。
另外，说明书中所描述的特点、操作或者特征可以以任意适当的方式结合形成各种实施方式。同时，方法描述中的各步骤或者动作也可以按照本领域技术人员所能显而易见的方式进行顺序调换或调整。因此，说明书和附图中的各种顺序只是为了清楚描述某一个实施例，并不意味着是必须的顺序，除非另有说明其中某个顺序是必须遵循的。
本文中为部件所编序号本身，例如“第一”、“第二”等，仅用于区分所描述的对象，不具有任何顺序或技术含义。而本申请所说“连接”、“联接”，如无特别说明，均包括直接和间接连接(联接)。
下面以医疗设备为例进行说明，其它类型的设备可参照医疗设备具有相同或类似的应用。
基于资源共享的要求，很多医疗设备需要在各科室或房间之间移动或转运，因此很多医疗设备被设计成充电式，为医疗设备提供充电电能的设备称为电源坞(Dock)，电源坞是一种固定安装的装置，可安装在墙面、墙角或不妨碍通行的地面上。电源坞可以安装在房间内，也可以安装在走廊边上，或用户指定的其他位置。电源坞接入市电，并为医疗设备提供电能，可充电的医疗设备通常是便于移动的，当医疗设备需要电源时，可以移动或转运到可用的电源坞处，由电源坞为其提供电能。医疗设备可以直接连接在电源坞上取电，也可以由电源坞通过有线或无线的方式为医疗设备充电。
由于电源坞是一个既存在的装置，利用电源坞对医疗设备进行定位，将在不增加硬件设施的情况下实现对医疗设备的定位。如图1所示，DOCK1、DOCK2、DOCK3、DOCK4分别分布在走廊、房间2和房间3内，它们可分别与作为待跟踪设备的机器1、机器2、机器3和终端进行通信，从而对机器1、机器2、机器3的位置进行估测。
在本发明的一种实施例中，提供了一种基于电源坞的设备定位方法，其中电源坞(Dock)不仅用于为设备提供电能，还能与设备进行无线通信，以获取设备的身份信息和用于确定设备当前位置的信息，并在之后连同电源坞自身的身份信息一起发送给终端，终端即可根据这些信息得到与设备的位置相关的信息，并进一步估测设备的精确位置或大致位置。
在本发明的另一种实施例中，电源坞和电子设备间的无线通信，还能用于确定各电源坞与需要充电的医疗设备的距离远近。
本实施例中采用的设备定位系统的结构方框图如图2所示，设备定位系统10包括用于为设备提供电能的电源坞11和用于估测待跟踪设备位置信息的终端12。电源坞11除了为待跟踪设备13提供电能外，还能分别与待跟踪设备13和终端12进行通信。电源坞11与待跟踪设备13之间可通过无线通信的方式连接，无线通信的方式例如射频、蓝牙、WIFI、ZigBee、Hilink协议、Mesh、Thread或Z-Wave等短距离通信方式。电源坞11与终端12之间可通过有线通信或无线通信的方式连接，有线通信可以是internet网络连接，也可以是电力线通信，电力线通信是指采用通过电力线进行宽带上网的电力猫(电力线通讯调制解调器)来实现电源坞11与终端12之间的通信。
在本发明实施例中，电源坞11用于获取待跟踪设备的第一信息，该 第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息，电源坞11还用于在得到待跟踪设备的第一信息后向终端12发送与待跟踪设备相关的第三信息，第三信息中包括电源坞11的身份信息和待跟踪设备的第一信息。其中，待跟踪设备可以是一个设备，也可以是多个设备，或者可以是适用于本发明实施例的所有设备，例如待跟踪设备可以是应用于医院中的超声医学影像设备、便携超声台车或其他医疗仪器和设备。
在具体实施例中，电源坞11可发射广播信号，接收到此广播信号的待跟踪设备13与电源坞11建立无线通信连接，并返回应答信号，电源坞11根据应答信号和是否正在为此待跟踪设备提供电能的意思表示获取此待跟踪设备的第一信息。在有的实施例中，待跟踪设备13可发射广播信号，接收到此广播信号的电源坞11与待跟踪设备13建立无线通信连接，并返回应答信号，待跟踪设备对此应答信号返回再次应答信号，电源坞11根据再次应答信号和是否正在为此待跟踪设备提供电能的意思表示得到此待跟踪设备的第一信息。第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息。其中，电源坞11和待跟踪设备13之间的无线通信方式可以采用射频方式、蓝牙、WIFI、ZigBee、Hilink协议、Mesh、Thread或Z-Wave等短距离通信方式。
请参考图2，本实施例中，电源坞11包括电能提供装置111、供电检测器112、第一通信装置113和第二通信装置114。
电能提供装置111用于为至少一个待跟踪设备提供电能。具体实例中，电能提供装置111可以包括连接市电的一个插座，当有设备的电源插头插入插座时，为设备提供有线供电。电能提供装置111也可以包括一个电压转换器，将交流电进行交直流变换，并输出预定的电压，当有可充电设备的充电插头插入插座时，为设备进行有线充电。电能提供装置111还可以包括无线供电端口，当有可充电设备靠近时，为设备提供无线充电。电源坞的无线供电端口作为无线供电的发射端，可充电设备上对应配置无线供电的接收端，两者配合实现电能传输。
供电检测器112其与电能提供装置111和第一通信装置113分别信号连接，用于检测电能提供装置111是否正在为待跟踪设备提供电能。对于电源坞通过插头插座连接的方式为待跟踪设备提供电能的情况，当 待跟踪设备连接到电源坞时，可触发一个电平信号，供电检测器112可检测到该电平信号，从而检测到电能提供装置111正在为待跟踪设备提供电能，并将正在为该待跟踪设备提供电能的意思表示作为该待跟踪设备的第二信息。对于电源坞为待跟踪设备无线充电的情况，当待跟踪设备接近电源坞进行无线充电时，电能提供装置111的功率输出会增加，供电检测器112通过检测电能提供装置111的功率输出即可判断电能提供装置111是否正在为待跟踪设备提供电能，在检测到电能提供装置111正在为待跟踪设备提供电能时，将正在为该待跟踪设备提供电能的意思表示作为该待跟踪设备的第二信息。正在为该待跟踪设备提供电能的意思表示可以是一个预定的高低电平信号，也可以是一个功率值。供电检测器112与第二通信装置114连接，在供电检测器112检测到电能提供装置111为待跟踪设备提供电能时，获取待跟踪设备的身份信息，并将待跟踪设备的身份信息和电源坞11正在为该待跟踪设备提供电能的意思表示作为该待跟踪设备的第一信息，然后将第一信息发送给第二通信装置114。
第一通信装置113用于与设备进行短距离通信，检测与待跟踪设备的通信信号，根据通信信号获取电源坞11和设备之间的距离相关信息，并将距离相关信息作为该设备的第二信息，该第二信息与该设备的身份信息组成该设备的第一信息。该距离相关信息包括电源坞11和待跟踪设备之间的距离或用于计算该距离的参数，计算距离的参数包括通信信号的信号强度或传输时间。第一通信装置113用于实现电源坞11和待跟踪设备13之间的无线通信，无线通信方式可以采用射频方式、蓝牙、WIFI、ZigBee、Hilink协议、Mesh、Thread或Z-Wave等短距离通信方式。
第二通信装置114分别与供电检测器112和第一通信装置113信号相连，从供电检测器112或第一通信装置113获取第一信息，然后将电源坞11的身份信息和待跟踪设备的第一信息合成为第三信息，并将第三信息发送给终端12。当电能提供装置111正在为待跟踪设备提供电能时，待跟踪设备的第一信息为来自于供电检测器112的正在为该待跟踪设备提供电能的意思表示；当电能提供装置111尚未为待跟踪设备提供电能时，待跟踪设备的第一信息为来自于第一通信装置113的该待跟踪设备的距离相关信息。第二通信装置114和终端之间可通过有线通信或无线通信的方式连接，例如internet网络或电力猫的方式。
在本实施例中，用于获取待跟踪设备身份信息的既可以是电能提供装置111，也可以为第一通信装置113，或者是两个装置都具有获取待跟踪设备身份信息的功能。当电能提供装置111正在为待跟踪设备提供电能时，用于获取待跟踪设备身份信息的可以为电能提供装置111和第一通信装置113中的至少一个，优选的为电能提供装置111，此时第一通信装置113接收到来自供电检测器112的正在为待跟踪设备提供电能的信息后，可以不再检测与待跟踪设备的通信信号；当电能提供装置111尚未为待跟踪设备提供电能时，用于获取待跟踪设备身份信息的为第一通信装置113。终端12用于接收电源坞11发送的与待跟踪设备相关的第三信息，其中，第三信息包括电源坞11的身份信息、待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；然后根据第三信息中的电源坞的身份信息得到电源坞的位置信息；当第二信息是电源坞正在为待跟踪设备提供电能的意思表示时，说明待跟踪设备正在靠近电源坞的位置，因此可以根据电源坞的位置信息确定待跟踪设备的位置信息。当第二信息不是电源坞正在为待跟踪设备提供电能的意思表示时，则根据电源坞的位置信息和距离相关信息确定待跟踪设备的位置信息，后面将对这种方式进行详细阐述。
请参考图2，在本实施例中，终端12包括与电源坞11信号连接的第一接收接口121、以及与第一接收接口121信号连接的位置检测模块122。位置检测模块122可由终端12的处理器实现。
第一接收接口121用于接收电源坞11发送的与待跟踪设备相关的第三信息，并将第三信息发送给位置检测模块122。
位置检测模块122用于根据接收到的第三信息估测待跟踪设备的位置信息。其包括第一单元122a，第二单元122b和第三单元122c。
第一单元122a用于根据第三信息中的电源坞的身份信息得到电源坞的位置信息。其中，各电源坞的位置信息在对设备进行定位之前已预先设定好，其设定方式为用户输入或电源坞通过通信装置传输给终端12。
第二单元122b用于在与待跟踪设备相关的第二信息是电源坞正在为待跟踪设备提供电能的意思表示时，将电源坞的位置信息作为待跟踪设备的位置信息。
第三单元122c用于在与待跟踪设备相关的第二信息是电源坞和待跟踪设备之间的距离相关信息时，根据电源坞的位置信息和距离相关信 息确定待跟踪设备的位置信息。当距离相关信息为用于计算电源坞11和待跟踪设备之间距离的参数时，第三单元122c还用于根据电源坞11和待跟踪设备之间距离的参数计算电源坞11和待跟踪设备之间的距离。在有的实施例中，第三单元122c还根据发送了与待跟踪设备相关的第三信息的电源坞的数量确定待跟踪设备的位置信息。
在有的实施例中，终端12还包括显示器(图中未示出)，显示器用于显示待跟踪设备的位置信息，其可以自动显示或者基于用户输入的查询指令显示。当基于用户输入的查询指令显示待跟踪设备的位置信息时，终端还包括输入模块，输入模块例如可以是键盘、鼠标等，也可以是与显示器集成在一起的触控屏。当输入模块是键盘时，用户可直接通过输入模块输入操作信息或操作指令；当输入模块是鼠标或触控屏时，用户可以将输入模块与显示界面上的软键盘、操作图标、选项卡、菜单选项等结合以完成操作查询指令的输入。查询指令可以是待跟踪设备的识别编号、类别信息、充电信息、使用状况或位置信息中的至少一种。
根据以上阐述，终端可以是服务器、管理系统的主机或便携式设备(例如平板电脑或手机)，终端通过安装在其上的应用系统即可查询待跟踪设备的位置。本发明实施例中，电源坞可以有一个或多个，待跟踪设备也可以有一个或多个，终端也可以有一个或多个。
请参考图3，设备定位系统对设备定位的过程包括如下步骤：
步骤101，电源坞获取待跟踪设备的第一信息。第一信息包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息。在具体实施例中，用于确定待跟踪设备当前位置的第二信息包括正在为待跟踪设备提供电能的意思表示，或电源坞和待跟踪设备之间的距离相关信息，在本实施例中，请参考图4，第二信息的确定过程包括如下步骤：
步骤1011，电源坞检测是否正在为待跟踪设备提供电能。在具体实施例中，电源坞通过电能提供装置为待跟踪设备提供电能，供电检测器与电能提供装置信号连接，并从电能提供装置获知电源坞是否正在为待跟踪设备提供电能的信息。当电源坞正在为待跟踪设备提供电能时，执行步骤1012；当电源坞尚未为待跟踪设备提供电能时，执行步骤1013。
步骤1012，电源坞将正在为待跟踪设备提供电能的意思表示作为该待跟踪设备的第二信息。在具体实施例中，电源坞正在为待跟踪设备提供电能的意思表示不仅包括电源坞正在为待跟踪设备提供电能的情况； 还包括电源坞已与待跟踪设备建立充电连接，但还没开启充电的情况；以及充电已经完成，但电源坞与待跟踪设备的充电连接还在的情况。
步骤1013，电源坞检测与待跟踪设备的通信信号，根据通信信号获取电源坞和待跟踪设备之间的距离相关信息。在具体实施例中，电源坞的第一通信装置既可以实时与待跟踪设备无线通信连接，并接收待跟踪设备的应答信号，也可以基于电源坞尚未为待跟踪设备提供电能的信息与待跟踪设备建立无线通信连接，并接收待跟踪设备的应答信号，该应答信号即为电源坞与待跟踪设备之间的通信信号。
在本实施例中，通信信号不仅包括电源坞和待跟踪设备之间的距离相关信息，还包括待跟踪设备的身份信息。距离相关信息包括电源坞和待跟踪设备之间的距离或用于计算该距离的参数，计算距离的参数包括通信信号的信号强度或传输时间。其中，当计算距离的参数为电源坞和待跟踪设备之间通信信号的信号强度时，通信信号的信号强度越强，两者之间的距离越短，信号强度越弱，两者之间的距离越长；当计算距离的参数为电源坞和待跟踪设备之间的通信信号的传输时间时，传输时间越短，两者之间的距离越短，传输时间越长，两者之间的距离越长。
步骤1014，将该距离相关信息作为该待跟踪设备的第二信息。
根据上述步骤确定的待跟踪设备的第二信息与待跟踪设备的身份信息一起组成待跟踪设备的第一信息。
步骤102，电源坞向终端发送与待跟踪设备相关的第三信息。第三信息中包括电源坞的身份信息和步骤101中确定的待跟踪设备的第一信息。在具体实施例中，电源坞通过有线通信或无线通信的方式将待跟踪设备相关的第三信息发送给终端。
步骤103，终端根据第三信息得到待跟踪设备的位置信息。因终端同时与至少一个电源坞通信，一个电源坞又可能发送多个与不同设备相关的第三信息，一个设备又可能与多个电源坞进行无线通信，故终端在根据第三信息计算待跟踪设备的位置信息时，需要多次对第三信息进行排查和判断。请参考图5，终端根据第三信息计算待跟踪设备位置的过程包括如下步骤：
步骤1031，终端接收电源坞发送的与待跟踪设备相关的第三信息；
步骤1032，根据第三信息中的电源坞的身份信息得到电源坞的位置信息。因电源坞是一种固定安装装置，故在对设备进行定位之前即可将 各电源坞的位置信息设定好，其设定方式可以为用户输入或电源坞通过通信装置传输给终端。然后，根据第三信息中的电源坞的身份信息，即可从终端中查找出对应电源坞的位置信息。
步骤1033，终端在第三信息中查找是否有第二信息是电源坞正在为待跟踪设备提供电能的意思表示。如果查找到电源坞正在为待跟踪设备提供电能的意思表示，则执行步骤1034；如果没有查找到该意思表示，则执行步骤1035。
步骤1034，将电源坞的位置信息作为待跟踪设备的位置信息。因为这种情况电源坞正在为待跟踪设备提供电能，故待跟踪设备位于相应电源坞的充电位置，即可将电源坞的位置信息作为待跟踪设备的位置信息。
步骤1036，从电源坞和待跟踪设备之间的距离相关信息中得到所述电源坞和待跟踪设备之间的距离。这种情况下，该待跟踪设备的第二信息为该电源坞和待跟踪设备之间的距离相关信息。又该距离相关信息包括电源坞和待跟踪设备之间的距离或用于计算该距离的参数。当距离相关信息为用于计算该距离的参数时，需要根据电源坞和待跟踪设备之间的通信方式计算出两者之间的距离。当距离相关信息为电源坞和待跟踪设备之间的距离时，直接跳过步骤1035进入步骤1036。
步骤1036，判断发送了与待跟踪设备相关的第三信息的电源坞的数量是否为1。如果是数量是1，则执行步骤1037，如果数量多于1个，则执行步骤1038。
步骤1037，根据该电源坞发送的第三信息估测待跟踪设备的位置信息。这种情况下，该待跟踪设备的第二信息为该电源坞和待跟踪设备之间的距离相关信息，且在步骤1035中已经根据距离相关信息得到电源坞和待跟踪设备之间的距离。则在得到电源坞和待跟踪设备之间的距离后，即可根据此距离和电源坞的位置信息估测待跟踪设备的位置信息，例如待跟踪设备可处于以该电源坞为圆心、以对应距离为半径的圆周上。
在具体实施例中，请参考图6，电源坞(Dock)安装在墙体的表面，其位置信息确定且在终端中有记录，记为O，电源坞和待跟踪设备之间的距离记为R，则如图中所示，以电源坞的位置O为圆心，R为半径画圆，则待跟踪设备位于如图中虚线所示的圆周上(例如：如图中所示的A点或B点)。
步骤1038，根据各电源坞发送的第三信息估测待跟踪设备的位置信 息。这种情况下，有多个电源坞发送与待跟踪设备相关的第三信息，且该待跟踪设备的第二信息为各个电源坞和待跟踪设备之间的距离相关信息，且在步骤1035中已经根据距离相关信息得到各电源坞和待跟踪设备之间的距离。则在得到电源坞和待跟踪设备之间的距离后，即可根据距离和各个电源坞的位置信息估测待跟踪设备的位置信息，例如待跟踪设备可位于以各电源坞为圆心、以各电源坞对应的距离为半径的多个圆周的交点处。
在具体实施例中，请参考图7，以发送了与待跟踪设备相关的第三信息的电源坞的数量为2个为例，两电源坞都安装在墙体的表面，其位置信息确定且在终端中都有记录，分别记为O 1、O 2，两电源坞和待跟踪设备之间的距离分别记为R 1、R 2，则如图中所示，以电源坞的位置O 1、O 2为圆心，R 1、R 2分别为半径画圆，两圆相交于点C，则待跟踪设备位于图中C点所对应的位置上。在具体实施例中，发送了与待跟踪设备相关的第三信息的电源坞的数量也可能有至少三个，此时待跟踪设备位于以各电源坞为圆心、以各电源坞对应的距离为半径的多个圆周的交点处，因在通常情况下，结合实际情况，通过两个与待跟踪设备相关的电源坞即可估测出待跟踪设备的位置信息，此时可以从中选择两个与待跟踪设备相关的电源坞估测待跟踪设备的位置信息。
通过以上步骤即可得出待跟踪设备的位置信息，在有的实施例中，还可以在显示器上自动显示或基于用户输入的查询指令显示待跟踪设备的位置信息。例如，当将设备定位系统应用于医院时，可通过终端查看各医疗设备的位置，从而方便用户查找可用的医疗设备，如果用户需要查找某个设备(或某类设备)所处位置时，只需在终端显示器上查找该设备(或该类设备)的位置信息，即可方便的找到需要的设备。
在另一实施例中，利用电源坞与电子设备和/或终端的通信，还可以通过电子设备或终端查找可以为电子设备提供电源的电源坞。在具体实施例中涉及一种电子设备，如图8所示，电子设备20包第二接收接口21和第五单元22。
第二接收接口21，用于与各电源坞进行短距离通信，并接收电子设备20与各电源坞之间的通信信号。其中，通信信号包括各电源坞的身份信息。第五单元22，与第二接收接口21信号连接，用于根据电子设备20与各电源坞之间的通信信号得到电源坞的位置信息。其可根据检测到 的通信信号的信号强度和/或通信时间计算电子设备与电源坞之间的距离，继而确定各电源坞相对于电子设备的位置远近。
在有的实施例中，通信信号还包括状态信息，相应的电子设备的还包括用于根据状态信息判断电源坞是否空闲的第六单元。其中，状态信息可以是电源坞正在为其它设备提供电能；也可以是正在由电源坞充电的其它电子设备的充电程度；或者是电源坞的电能输出情况，例如输出功率；还可以是电源坞的故障情况。当电源坞正在为其他设备充电、或者电源坞目前由于出现故障等情况不可用时，电源坞不能用于对该设备提供电能，其对于该设备来说处于非空闲状态。电子设备的第五单元和第六单元可由其处理器来实现。
请参考图9，通过电子设备查找可为电子设备提供电能的电源坞的方法包括如下步骤：
步骤201，接收电子设备和各电源坞之间的通信信号。通信信号包括各电源坞的身份信息和状态信息。
步骤202，在各电源坞的通信信号中查找当前处于空闲状态的电源坞作为备选电源坞。因电子设备接收到的各通信信号对应的电源坞中，有可能存在部分电源坞正在为其他设备提供电能的情况，此时该电源坞对于该设备来说处于非空闲状态，故在查找能为该设备提供电能的电源坞时，需要排除对于该设备来说处于非空闲状态的电源坞。在有的实施例中，通信信号中还包括电源坞处于故障状态的信息，此时也判定为对于该设备来说处于非空闲状态的电源坞，也不属于备选电源坞。
步骤203，检测电子设备与各备选电源坞之间通信信号的信号强度和/或通信时间。对电子设备与各备选电源坞之间的通信信号进行检测，在具体实施例中，可以检测通信信号的信号强度，也可以检测通信信号的通信时间，或者对两者同时进行检测。
步骤204，根据电子设备与各备选电源坞之间的通信信号，计算电子设备和各电源坞之间的距离。电子设备和各电源坞之间的距离可以是根据信号强度和/或通信时间计算出来的电子设备和各电源坞之间的实际距离，例如其中一个电源坞距离该设备10米，另一个电源坞距离该设备12米。在有的实施例中，设备和各电源坞之间的距离还可以是根据信号强度和/或通信时间计算出来的设备和各电源坞之间的相对距离，例如距离该设备从近到远的电源坞依次为Dock1、Dock3…、Dock4。
步骤205，根据电子设备和各电源坞之间的距离，确定距离电子设备最近的备选电源坞为电子设备提供电能。根据步骤204得出的设备和各备选电源坞之间的实际距离或相对距离即可得出距离该设备最近的电源坞。在具体实施例中，用户即可选择距离该设备最近的处于空闲状态的备选电源坞为该设备充电。在其他实施例中，也可以通过终端查找可为待充电电子设备提供电能的电源坞，此种情况需要在终端和待充电电子设备之间进行通信，当待充电设备接收到该电子设备和各电源坞之间的通信信号后，将通信信号和该电子设备的身份信息发送给终端，终端根据通信信号按照步骤202-步骤205的方法确定距离该待充电电子设备最近的备选电源坞为该电子设备提供电能。之后，根据实际需要，选择将距离该待充电电子设备最近的备选电源坞的位置信息发送给该电子设备，或者将该电子设备和各电源坞之间的距离信息发送给电子设备。
在有的实施例中，步骤202也可以调到步骤204的后面，或者也可以不排除非空闲状态的电源坞，而是将处于非空闲状态的电源坞采用不同的显示方式进行显示，例如处于空闲状态的电源坞和处于非空闲状态的电源坞采用不同的颜色显示，从而以一种可视化的方式提示用户哪个电源坞处于空闲状态。
本文参照了各种示范实施例进行说明。然而，本领域的技术人员将认识到，在不脱离本文范围的情况下，可以对示范性实施例做出改变和修正。例如，各种操作步骤以及用于执行操作步骤的组件，可以根据特定的应用或考虑与系统的操作相关联的任何数量的成本函数以不同的方式实现。
另外，如本领域技术人员所理解的，本文的原理可以反映在计算机可读存储介质上的计算机程序产品中，该可读存储介质预装有计算机可读程序代码。任何有形的、非暂时性的计算机可读存储介质皆可被使用，包括磁存储设备(硬盘、软盘等)、光学存储设备(CD-ROM、DVD、Blu Ray盘等)、闪存和/或诸如此类。这些计算机程序指令可被加载到通用计算机、专用计算机或其他可编程数据处理设备上以形成机器，使得这些在计算机上或其他可编程数据处理装置上执行的指令可以生成实现指定的功能的装置。这些计算机程序指令也可以存储在计算机可读存储器中，该计算机可读存储器可以指示计算机或其他可编程数据处理设备以特定的方式运行，这样存储在计算机可读存储器中的指令就可以形成 一件制造品，包括实现指定功能的实现装置。计算机程序指令也可以加载到计算机或其他可编程数据处理设备上，从而在计算机或其他可编程设备上执行一系列操作步骤以产生一个计算机实现的进程，使得在计算机或其他可编程设备上执行的指令可以提供用于实现指定功能的步骤。
虽然在各种实施例中已经示出了本文的原理，但是许多特别适用于特定环境和操作要求的结构、布置、比例、元件、材料和部件的修改可以在不脱离本披露的原则和范围内使用。以上修改和其他改变或修正将被包含在本文的范围之内。
前述具体说明已参照各种实施例进行了描述。然而，本领域技术人员将认识到，可以在不脱离本披露的范围的情况下进行各种修正和改变。因此，对于本披露的考虑将是说明性的而非限制性的意义上的，并且所有这些修改都将被包含在其范围内。同样，有关于各种实施例的优点、其他优点和问题的解决方案已如上所述。然而，益处、优点、问题的解决方案以及任何能产生这些的要素，或使其变得更明确的解决方案都不应被解释为关键的、必需的或必要的。本文中所用的术语“包括”和其任何其他变体，皆属于非排他性包含，这样包括要素列表的过程、方法、文章或设备不仅包括这些要素，还包括未明确列出的或不属于该过程、方法、系统、文章或设备的其他要素。此外，本文中所使用的术语“耦合”和其任何其他变体都是指物理连接、电连接、磁连接、光连接、通信连接、功能连接和/或任何其他连接。
具有本领域技术的人将认识到，在不脱离本发明的基本原理的情况下，可以对上述实施例的细节进行许多改变。因此，本发明的范围应根据以下权利要求确定。

Claims (39)

  1. 一种基于电源坞的设备定位方法,所述电源坞用于为设备提供电能，其特征在于包括：
    电源坞获取待跟踪设备的第一信息，所述第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；
    电源坞向终端发送与待跟踪设备相关的第三信息，所述第三信息中包括电源坞的身份信息和所述待跟踪设备的第一信息；
    终端根据第三信息得到待跟踪设备的位置信息。
  2. 一种基于电源坞的设备定位方法,所述电源坞用于为设备提供电能，其特征在于包括：
    电源坞获取待跟踪设备的第一信息，所述第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；
    电源坞向终端发送与待跟踪设备相关的第三信息，以便终端根据第三信息得到待跟踪设备的位置信息，所述第三信息中包括电源坞的身份信息和所述待跟踪设备的第一信息。
  3. 如权利要求1或2所述的方法，其特征在于，所述电源坞获取待跟踪设备的第一信息包括：
    所述电源坞检测是否正在为待跟踪设备提供电能；以及
    在确定正在为待跟踪设备提供电能时，所述电源坞将正在为待跟踪设备提供电能的意思表示作为该待跟踪设备的第二信息。
  4. 如权利要求3所述的方法，其特征在于，所述终端根据第三信息得到待跟踪设备的位置信息包括：
    接收电源坞发送的与待跟踪设备相关的所述第三信息；
    根据第三信息中的电源坞的身份信息得到电源坞的位置信息；
    在所述第三信息中查找到所述第二信息是电源坞正在为待跟踪设备提供电能的意思表示时，将电源坞的位置信息作为待跟踪设备的位置信息。
  5. 如权利要求1或2所述的方法，其特征在于，所述电源坞获取待跟踪设备的第一信息包括：
    所述电源坞检测是否正在为待跟踪设备提供电能；以及
    在确定尚未为待跟踪设备提供电能时，所述电源坞检测与待跟踪设备的通信信号，根据所述通信信号获取电源坞和待跟踪设备之间的距离 相关信息，并将该距离相关信息作为该待跟踪设备的第二信息。
  6. 如权利要求5所述的方法，其特征在于，所述距离相关信息包括电源坞和待跟踪设备之间的距离或用于计算所述距离的参数。
  7. 如权利要求6所述的方法，其特征在于，用于计算所述距离的参数包括通信信号的信号强度或传输时间。
  8. 如权利要求5所述的方法，其特征在于，所述终端根据第三信息得到待跟踪设备的位置信息包括：
    接收电源坞发送的与待跟踪设备相关的第三信息；
    根据第三信息中的电源坞的身份信息得到电源坞的位置信息；
    在所述第三信息中未查找到所述第二信息是电源坞正在为待跟踪设备提供电能的意思表示时，根据所述电源坞的位置信息和所述距离相关信息确定所述待跟踪设备的位置信息。
  9. 如权利要求5或8所述的方法，其特征在于，所述终端根据第三信息得到待跟踪设备的位置信息包括：
    接收电源坞发送的与待跟踪设备相关的第三信息；
    根据第三信息中的电源坞的身份信息得到电源坞的位置信息；
    在所述第三信息中查找是否有所述第二信息是电源坞正在为待跟踪设备提供电能的意思表示；以及
    在未查找到该意思表示时，判断发送了第三信息的电源坞的数量，当只有一个电源坞发送了第三信息时，根据所述距离相关信息计算待跟踪设备与该电源坞之间的距离，并得出所述待跟踪设备的当前位置处于以所述电源坞为圆心、以所述距离为半径的圆周上；当有多个电源坞发送了第三信息时，根据所述距离相关信息计算待跟踪设备与各电源坞之间的距离，并得出所述待跟踪设备的当前位置处于以各电源坞为圆心、以各电源坞对应的距离为半径的多个圆周的交点处。
  10. 如权利要求9所述的方法，其特征在于，当有多个电源坞向所述终端发送第三信息时，所述终端根据第三信息得到待跟踪设备的位置信息还包括：
    从发送第三信息的所述多个电源坞中选择其中两个电源坞，用于估测所述待跟踪设备的位置信息。
  11. 一种基于电源坞的设备定位方法,所述电源坞用于为至少一个设备提供电能，其特征在于包括：
    终端接收电源坞发送的与待跟踪设备相关的第三信息，所述第三信息中包括电源坞的身份信息、待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息；
    根据第三信息估测所述待跟踪设备的位置信息。
  12. 如权利要求11所述的方法，其特征在于,所述第二信息包括所述电源坞正在为待跟踪设备提供电能的意思表示，或者包括所述电源坞和待跟踪设备之间的距离相关信息，根据第三信息估测待跟踪设备的位置信息包括：
    根据第三信息中的电源坞的身份信息得到电源坞的位置信息；
    识别第二信息的内容，当第二信息包括所述电源坞正在为待跟踪设备提供电能的意思表示时，将电源坞的位置信息作为待跟踪设备的位置信息；当第二信息包括所述电源坞和待跟踪设备之间的距离相关信息时，根据所述电源坞的位置信息和所述距离相关信息确定所述待跟踪设备的位置信息。
  13. 如权利要求12所述的方法，其特征在于，根据所述电源坞的位置信息和所述距离相关信息确定所述待跟踪设备的位置信息包括：
    从所述距离相关信息中得到所述电源坞和待跟踪设备之间的距离；
    判断发送了与待跟踪设备相关的第三信息的电源坞的数量，当只有一个电源坞发送了与待跟踪设备相关的第三信息时，得出待跟踪设备的当前位置处于以所述电源坞为圆心、以所述距离为半径的圆周上；当有多个电源坞发送了与待跟踪设备相关的第三信息时，得出待跟踪设备的当前位置处于以所述电源坞为圆心、以所述距离为半径的多个圆周的交点处。
  14. 如权利要求1或11所述的方法，其特征在于还包括，在所述终端的显示器上自动显示或基于用户输入的查询指令显示待跟踪设备的位置信息。
  15. 一种查找电源坞的方法，用于通过设备或终端查找可为设备提供电能的电源坞，其特征在于包括：
    接收设备和电源坞之间的通信信号，所述通信信号中包括电源坞的身份信息；
    根据所述通信信号确定所述电源坞的位置信息。
  16. 如权利要求15所述的方法，其特征在于，根据所述通信信号 确定电源坞的位置信息包括：
    检测所述通信信号的信号强度和/或通信时间；
    根据所述信号强度和/或通信时间计算设备和各电源坞之间的距离，以确定各电源坞相对于所述设备的位置远近。
  17. 如权利要求16所述的方法，其特征在于，所述方法还包括：
    根据距离查找出距离所述设备最近的电源坞。
  18. 如权利要求15所述的方法，其特征在于，所述通信信号中还包括电源坞的状态信息，所述设备或终端根据状态信息判断所述电源坞是否空闲。
  19. 如权利要求18所述的方法，其特征在于，所述状态信息包括以下的至少一种：
    所述电源坞正在为其它设备提供电能；
    正在由所述电源坞充电的其它设备的充电程度；
    所述电源坞的电能输出情况；
    所述电源坞的故障情况。
  20. 一种设备定位系统,其特征在于包括：
    电源坞，用于为设备提供电能，所述电源坞用于获取待跟踪设备的第一信息，所述第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息，所述电源坞在得到待跟踪设备的第一信息后向终端发送第三信息，所述第三信息中包括电源坞的身份信息和所述待跟踪设备的第一信息；
    终端，用于根据第三信息估测待跟踪设备的位置信息。
  21. 如权利要求20所述的系统，其特征在于，所述电源坞包括：
    电能提供装置，用于为至少一个设备提供电能；
    供电检测器，用于检测电能提供装置是否正在为所述待跟踪设备提供电能，并在检测到电能提供装置为所述待跟踪设备提供电能时，获取所述待跟踪设备的身份信息，并将电源坞正在为该待跟踪设备提供电能的意思表示作为该待跟踪设备的第二信息；
    第一通信装置，用于与待跟踪设备进行短距离通信，并根据与待跟踪设备之间的通信信号获取电源坞和待跟踪设备之间的距离相关信息，并将该距离相关信息作为该待跟踪设备的第二信息；
    第二通信装置，用于将第三信息发送给终端。
  22. 如权利要求21所述的系统，其特征在于，所述距离相关信息包括电源坞和待跟踪设备之间的距离，或所述距离相关信息包括用于计算电源坞和待跟踪设备之间距离的参数。
  23. 如权利要求22所述的系统，其特征在于，用于计算电源坞和待跟踪设备之间距离的参数包括电源坞和待跟踪设备之间通信信号的信号强度或传输时间。
  24. 如权利要求20所述的系统，其特征在于，所述电源坞的电能提供装置包括电压转换器和无线供电端口，所述电压转换器用于将电源坞接收的交流电转换为适合给设备供电的预设电压的直流电，所述无线供电端口基于所述预设电压的直流电对设备进行无线供电。
  25. 如权利要求20至24任一项所述的系统，其特征在于，所述终端还包括显示器，所述显示器上自动显示或基于用户输入的查询指令显示所述待跟踪设备的位置信息。
  26. 如权利要求20至25任一项所述的系统，其特征在于，所述电源坞与所述终端通过电力线通信的方式连接。
  27. 一种电源坞，其特征在于包括：
    电能提供装置，用于为至少一个设备提供电能；
    供电检测器，用于检测电能提供装置是否正在为待跟踪设备提供电能，并在检测到电能提供装置为待跟踪设备提供电能时，获取待跟踪设备的身份信息，并将电源坞正在为该待跟踪设备提供电能的意思表示作为该待跟踪设备的第二信息；
    第一通信装置，用于与设备进行短距离通信，并根据与待跟踪设备之间的通信信号获取电源坞和待跟踪设备之间的距离相关信息，并将该距离相关信息作为该待跟踪设备的第二信息；
    第二通信装置，用于将第三信息发送给终端，所述第二信息包括用于确定该待跟踪设备当前位置的信息，所述第三信息中包括电源坞的身份信息和所述待跟踪设备的第一信息，所述第一信息中包括待跟踪设备的身份信息和用于确定该待跟踪设备当前位置的第二信息。
  28. 一种基于电源坞对设备进行定位的终端，所述电源坞用于为至少一个设备提供电能，其特征在于，所述终端包括：
    接收接口，用于接收电源坞发送的与待跟踪设备相关的第三信息，所述第三信息中包括电源坞的身份信息、待跟踪设备的身份信息和用于 确定该待跟踪设备当前位置的第二信息；
    处理器，用于根据第三信息估测待跟踪设备的位置信息。
  29. 如权利要求28所述的终端，其特征在于，所述第二信息包括所述电源坞正在为待跟踪设备提供电能的意思表示，或者包括所述电源坞和待跟踪设备之间的距离相关信息，所述处理器还用于：
    根据第三信息中的电源坞的身份信息得到电源坞的位置信息；
    在第二信息是所述电源坞正在为待跟踪设备提供电能的意思表示时，将电源坞的位置信息作为待跟踪设备的位置信息；
    在第二信息是所述电源坞和待跟踪设备之间的距离相关信息时，根据所述电源坞的位置信息和所述距离相关信息确定所述待跟踪设备的位置信息。
  30. 如权利要求29所述的终端，其特征在于，所述处理器还用于根据发送了与待跟踪设备相关的第三信息的电源坞的数量确定所述待跟踪设备的位置信息，包括：
    根据所述距离相关信息确定所述待跟踪设备与电源坞之间的距离；
    当只有一个电源坞发送了与待跟踪设备相关的第三信息时，得出待跟踪设备的当前位置处于以所述电源坞为圆心、以所述距离为半径的圆周上；
    当有多个电源坞发送了与待跟踪设备相关的第三信息时，得出待跟踪设备的当前位置处于以所述电源坞为圆心、以所述距离为半径的多个圆周的交点处。
  31. 如权利要求28所述的终端，其特征在于，还包括显示器，所述显示器用于自动显示或基于用户输入的查询指令显示待跟踪设备的位置信息。
  32. 一种基于电源坞对设备进行定位的装置，所述电源坞用于为至少一个设备提供电能，其特征在于，所述装置包括：
    存储器，用于存储程序；
    处理器，用于通过执行所述存储器存储的程序以实现如权利要求1-18中任一项所述的方法；以及
    显示器，用于自动显示或基于用户输入的查询指令显示待跟踪设备的位置信息。
  33. 一种电子设备，包括由电源坞提供电能的设备或终端，其特征 在于包括：
    接收接口，用于接收所述设备和电源坞之间的通信信号，所述通信信号中包括电源坞的身份信息；
    处理器，用于根据所述通信信号得到电源坞的位置信息；以及
    显示器，用于自动显示或基于用户输入的查询指令显示所述电源坞的位置信息。
  34. 如权利要求33所述的电子设备，其特征在于，所述处理器用于：
    检测所述通信信号的信号强度和/或通信时间；
    根据所述信号强度和/或通信时间计算电子设备和各电源坞之间的距离，以确定各电源坞相对于所述设备的位置远近。
  35. 如权利要求34所述的电子设备，其特征在于，所述处理器还用于根据距离查找出距离电子设备最近的电源坞。
  36. 如权利要求33所述的电子设备，其特征在于，所述通信信号中还包括状态信息，所述电子设备的处理器还根据状态信息判断所述电源坞是否空闲。
  37. 如权利要求33所述的电子设备，其特征在于，所述状态信息包括：所述电源坞正在为其他设备提供电能的意思表示，和/或所述电源坞的故障情况。
  38. 如权利要求37所述的电子设备，其特征在于，所述电源坞正在为其它设备提供电能的意思表示包括以下的至少一种：
    所述电源坞正在为其它设备提供电能；
    正在由所述电源坞充电的其它设备的充电程度；
    所述电源坞的电能输出情况。
  39. 一种计算机可读存储介质，其特征在于，包括程序，所述程序能够被处理器执行以实现如权利要求1-19中任一项所述的方法。
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