JP6201514B2 - Power supply hub device - Google Patents

Description

  The present invention relates to a power supply hub device that supplies power to a communication terminal such as an IP telephone.

  In a conventional power supply hub device, a technology is known that receives an instruction related to start or stop of power supply from a linked external power supply management device (power supply management server) and controls power supply to a subordinate communication terminal (such as an IP telephone). (For example, Patent Document 1).

  However, in the conventional method, the port information related to the position of the terminal connection port of the power supply hub device is used as the information for managing / controlling the power supply, so other communication that requires continuous power supply to the port. When the terminals are connected together or when multiple communication terminals are connected via a wireless access point, if the power supply is stopped only in accordance with an instruction from the power management server, the communication of these communication terminals is interrupted. There was an inconvenience.

JP 2006-197104 A

  Accordingly, an object of the present invention is to execute an instruction from the power supply management apparatus only when only one communication terminal subject to power supply control is connected to the terminal connection port in the power supply hub apparatus. The purpose is to control power supply without being aware of the port to which the communication terminal to be controlled is connected.

A power supply hub device including one or more terminal connection ports having power supply capability, wherein a power supply control command related to start or stop of power supply is specified by specifying a terminal ID for identifying a power receiving terminal connected to the terminal connection port a feed control command receiving means for receiving from the power supply management device, and a power supply control means for controlling the start or stop of the power supply of the terminal connection port, wherein the power receiving terminal in response to the power supply control command the received is connected, the terminal Terminal ID extraction means for extracting one or more terminal IDs from data input from each connection port; and terminal ID storage means for storing the extracted terminal ID in association with the terminal connection port. The power supply control means, when the power supply control command received from the power supply management device instructs to stop power supply, the terminal ID storage means If it is determined that a plurality of terminal IDs are stored in the terminal connection port corresponding to the terminal ID specified by the power supply control command, and a plurality of terminal IDs are stored. The power supply is not stopped.

  According to the present invention, it is possible to continuously supply power by determining a terminal ID unique to a communication terminal recognized at a terminal connection port and controlling not to stop power supply when a plurality of terminal IDs are recognized. It is possible to maintain communication of communication terminals that require

  In addition, by managing not with the port ID indicating the physical position of the port but with the terminal ID unique to the communication terminal, even when the communication terminal subject to power supply control is moved to another port, the power supply management device (power supply management server) It is possible to eliminate power mismatch between the power supply hub devices and to control power supply safely.

It is a block diagram of the communication system containing the electric power feeding hub apparatus using this invention. It is a figure which shows the block configuration of the electric power feeding hub apparatus by this invention. It is a figure which shows an example of the memory content of the terminal ID temporary storage part of an electric power feeding hub apparatus. It is a figure which shows an example of the memory content of the electric power feeding object terminal ID memory | storage part of an electric power feeding hub apparatus. It is an operation | movement flow of the electric power feeding control part in 1st Example of an electric power feeding hub apparatus. It is an operation | movement flow of the electric power feeding control part in the 2nd Example of an electric power feeding hub apparatus.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a configuration diagram of a communication system including a power supply hub device using the present invention. The main device 2 connected to the telephone network 1 and the router 4 connected to the IP network 3 and the port 5 of the power supply hub device 6 according to the present invention are connected via the LAN 5, and the port 1 and port 2 of the power supply hub device 6 are connected. And port 4 are connected to IP telephones 11, 12, and 13 which are extension terminals of main device 2, and wireless LAN access point 7 is connected to port 3, and power supply hub device 6 supplies power thereto. .

  Further, the wireless IP telephones 31 and 32 are connected via the wireless access point 7 connected to the port 3, and the personal computer 21 is connected via the IP telephone 13 including a hub connected to the port 4.

  At this time, the power supply hub device 6 extracts a unique terminal ID (such as a MAC address, an IP address, or a unique ID) from each terminal from data input to each of the ports 1 to 4, and the terminal ID of the own device While memorize | storing in a memory | storage part, the said terminal ID extracted is notified with respect to the main apparatus 2. FIG. Only a specific terminal ID may be recorded and notified.

  The main device 2 functions as a power supply control device, receives the terminal ID of the power supply target terminal from the power supply hub device 6, manages power supply according to the energy saving setting and presence associated with the terminal ID, and receives the terminal ID. Is notified of the power supply control command related to the start or stop of the power supply designating the terminal ID.

  The power supply hub device 6 that has received the power supply control command controls the start or stop of power supply to the port corresponding to the terminal ID designated by the power supply control command.

FIG. 2 is a diagram showing a block configuration of a power supply hub device according to the present invention.
The power supply hub device 6 according to the present invention includes a port 1 to a port 4 (601 to 604) that have a power supply capability and accommodate a communication terminal, and an uplink port 5 (605) connected to the main device 2 and the router 4 that are located in an upper network. ), A hub function unit 611 that realizes a switching hub function, a terminal connection detection unit 621 that detects a connection state of a communication terminal that requires power supply in ports 1 to 4 (601 to 604), and a power supply control unit 630 A terminal power supply unit 622 that supplies power to each port according to an instruction from the power supply unit, a power supply unit 609 that supplies power to each unit of the device, and one or more terminal IDs (for example, MAC addresses) extracted by the hub function unit 611 A terminal ID temporary storage unit 612 (for example, a MAC address table) that stores each port in association with a predetermined period, and a power supply in association with each port A power supply target terminal ID storage unit 631 that stores a single terminal ID to be controlled, and a main apparatus that notifies the main apparatus 2 of the extracted terminal ID or receives a power supply control command notified from the main apparatus 2 Schedule management for registering the power supply start time or stop time in advance for each terminal ID or port and the communication unit 632 and notifying the power supply control unit 630 of instructions related to the start or stop of power supply at the registered time 633 and a power supply control unit 630 that controls power supply.

  When the terminal connection detection unit 621 first detects that a communication terminal requiring power supply is connected to any of the ports (601 to 604), the power supply control unit 630 instructs the terminal power supply unit 622 to detect the connection. Start supplying power to the selected port.

  Next, the terminal ID stored in the terminal ID temporary storage unit 612 is extracted under a predetermined condition, and the extracted terminal ID is stored in the power supply target ID storage unit 631 in association with the extracted port. The main device 2 is notified of the extracted terminal ID via the main device communication unit 632.

  At this time, when a plurality of communication terminals are connected, such as port 3 (603) and port 4 (604), a plurality of terminal IDs are stored for one port classification of terminal ID temporary storage unit 612. However, only when a single communication terminal is connected to port 1 (601) or port 2 (602) and only a single terminal ID is extracted, the extracted terminal ID is stored in the power supply target terminal ID storage unit 631. Is stored in association with the extracted port.

  Note that only terminal IDs that match a predetermined condition may be stored and notified. This is because, even when there is only one wireless IP phone subordinate to the wireless access point, the power supply control is performed so that the power supply to the wireless access point is continued so that a new communication terminal trying to subordinate to the wireless access point can be accepted. This is applied when invalidating.

  When the same value as the extracted terminal ID is stored in the terminal ID for the other port of the power supply target terminal ID storage unit 631, the terminal ID of the other port is cleared.

  Next, when the power supply control unit 630 receives a power supply control command from the main apparatus 2 via the main apparatus communication unit 632 or receives an instruction related to power supply from the schedule management unit 633, the received terminal ID and the power supply The contents of the target terminal ID storage unit 631 are collated, and the power supply control target port is specified.

  Next, the terminal power supply unit 622 is instructed to control the start or stop of power supply to the specified port.

  Next, when the power supply control unit 630 detects that a communication terminal requiring power supply has been removed by the terminal connection detection unit 621, the port that instructed the terminal power supply unit 622 to detect that the communication terminal has been removed Power supply to is stopped.

FIG. 3 is a diagram illustrating an example of the contents stored in the terminal ID temporary storage unit of the power supply hub device.
The terminal ID temporary storage unit 612 of the power supply hub device 6 is a MAC address table that temporarily stores the MAC address (terminal ID) of the communication terminal that is performing data transfer, and one or more extracted by the hub function unit 611. The MAC address is associated with the terminal connection port and stored for a predetermined period.

  In this figure, the MAC address “A001” of the IP telephone 11 is port 1 (V6121), the MAC address “A002” of the IP telephone 12 is port 2 (V6122), and the MAC address “B001” of the wireless IP telephone 31 is port. 3 (V6123), the MAC address “B002” of the wireless IP telephone 32 is in port 3 (V6124), the MAC address “A003” of the IP telephone 13 is in port 4 (V6125), and the hub built in the IP telephone 13 is connected. The MAC address “C001” of the personal computer 21 connected via the port is stored in association with the port 4 (V6126).

  These MAC addresses are automatically cleared when data transfer is not performed between the power supply hub device 6 and the communication terminal for a predetermined period. It is also updated when the communication terminal is reconnected to another terminal connection port.

  The power supply control unit 630 of the power supply hub device 6 according to the present invention determines the MAC address to be stored in the power supply target terminal ID storage unit 631 by judging the number of MAC addresses for each port classification stored in the MAC address table. Or control execution of power supply stop.

FIG. 4 is a diagram illustrating an example of storage contents of the power supply target terminal ID storage unit of the power supply hub device.
The power supply target terminal ID storage unit 632 of the power supply hub device 6 is a management table that stores one MAC address (terminal ID) of a communication terminal targeted for power supply control in association with each terminal connection port.

  The power supply control unit 630 searches the stored contents of the terminal ID temporary storage unit 612 (an example is shown in FIG. 3), determines the number of MAC addresses stored in one port section, and determines the number of MAC addresses. If it is 1, the MAC address is associated with the terminal connection port and stored in the power supply target terminal ID storage unit 631. At this time, if there are a plurality of MAC addresses in one port section, the stored contents corresponding to the port section are cleared without being stored in the power supply target terminal ID storage unit 631.

  As a result, the MAC address “A001” (V6311) of the IP telephone 11 is stored in the port 1 section of the power supply target terminal ID storage unit 632, and the MAC address “A002” (V6312) of the IP telephone 12 is stored in the port 2 section. The

  Note that the power supply target terminal ID storage unit 632 does not store the terminal IDs of the ports 3 and 4 in which a plurality of MAC addresses are stored in the terminal ID temporary storage unit 612 (V6313 to V6314).

  FIG. 5 shows an operation flow of the power supply control unit in the case where the storage contents of the MAC address table are inspected to determine execution of power supply stop when receiving a power supply stop instruction as the first embodiment.

  When the power supply hub device according to the present invention is turned on and this flow is started (S600), the power supply control unit 630 detects that the communication terminal to be supplied is connected by the terminal connection detection unit 621 (S601, YES). The terminal power supply unit 622 is instructed to start power supply to the port where the connection is detected (S602).

  Next, the terminal ID temporary storage unit (MAC address table) 621 is inspected (S603), and it is determined whether the number of terminal IDs (MAC addresses) belonging to the port classification in which the connection is detected is single or plural. (S604),

  If it is single (S604, YES), the main device 2 is notified of the MAC address via the main device communication unit 632 (S605). If there are a plurality of MAC addresses belonging to the port classification where the connection is detected (S604, NO), the process proceeds to step 606.

  Next, when the power supply control unit 630 receives a power supply control command from the main device 2 via the main device communication unit 632 or receives an instruction related to power supply from the schedule management unit 633 (S606, YES), The received MAC address (terminal ID) is collated with the contents of the MAC address table 612 to identify the power supply control target port (S607).

  Next, when the power supply control target port can be specified (S608, YES), the process proceeds to step 609. If the power supply control target port cannot be specified (S608, NO), the process proceeds to step 614.

  In step 609, when the power supply control command received from the main apparatus 2 or the content of the power supply instruction received from the schedule management unit 633 is an instruction to stop power supply (S609, YES), the APR table 612 is inspected. Then, it is determined whether the number of MAC addresses belonging to the designated power supply control target port category is single or plural (S610, S611). If the number is single (S611, YES), the terminal The power supply unit 622 is instructed to stop power supply to the port (S612). If there are more than one (S611, NO), the process proceeds to step 614.

  If the content of the power supply control command received from the main device 2 or the instruction related to power supply received from the schedule management unit 633 does not instruct to stop power supply (S609, NO), the terminal power supply unit 622 is instructed. Then, power supply to the port is started (S613), and the process proceeds to step 614.

  Next, in step 614, when the power supply control unit 630 detects that the communication terminal to be powered is removed by the terminal connection detection unit 621 (YES in S614), the terminal power supply unit 622 is instructed to remove the communication terminal. The power supply to the selected port is stopped (S615), and the process returns to step 601.

  If the terminal connection detection unit 621 detects that the connection of the communication terminal to be fed is maintained (S614, NO), the process proceeds to step 603.

  As a result, power supply is stopped only for ports to which only one communication terminal is connected, and power supply is continued and communication with the communication terminal is maintained at ports to which a plurality of communication terminals are connected.

  FIG. 6 shows an operation flow of the power supply control unit of the power supply hub device when the stored contents of the MAC address table are examined to determine the power supply control target port as the second embodiment.

  When the power supply hub device according to the present invention is turned on and this flow is started (S600), the power supply control unit 630 detects that the communication terminal to be supplied is connected by the terminal connection detection unit 621 (S621, YES). The terminal power supply unit 622 is instructed to start power supply to the port where the connection is detected (S622).

  Next, the terminal ID temporary storage unit (MAC address table) 621 is inspected (S623), and it is determined whether the number of terminal IDs (MAC addresses) belonging to the port classification in which the connection is detected is single or plural. (S624),

  When it is single (S624, YES), the MAC address is stored in the power supply target terminal ID storage unit 631 in association with the terminal connection port (S625), and the MAC address is transmitted via the main device communication unit 632. Is sent to the main apparatus 2 (S626).

Next, when the same value as the stored MAC address is stored in the other port section of the power supply target terminal ID storage unit 631 (S627, YES), the stored contents of the other port section are cleared. (S628).
If the number of MAC addresses belonging to the port classification that detected the connection is plural (S624, NO), the process proceeds to step 629.

Next, when the power supply control unit 630 receives a power supply control command from the main device 2 via the main device communication unit 632 or receives an instruction related to power supply from the schedule management unit 633 (S629, YES), The received MAC address (terminal ID) is compared with the stored contents of the power supply target terminal ID storage unit 631, and the power supply control target port is specified (S630).

  Next, when the power supply control target port can be identified (S631, YES), the process proceeds to step 632. If the power supply control target port cannot be specified (S631, NO), the process proceeds to step 635.

  In step 632, if the power supply control command received from the main device 2 or the content of the power supply instruction received from the schedule management unit 633 is an instruction to stop power supply (S632, YES), the terminal power supply unit 622 is instructed. The power supply to the port is instructed to stop (S633), and the process proceeds to step 635.

  When the power supply control command received from the main apparatus 2 or the content of the power supply instruction received from the schedule management unit 633 does not instruct to stop power supply (S632, NO), the terminal power supply unit 622 is instructed. Then, power supply to the port is started (S634), and the process proceeds to step 635.

  Next, in step 635, when the power supply control unit 630 detects that the communication terminal to be powered is removed by the terminal connection detection unit 621 (S635, YES), the terminal power supply unit 622 is instructed to remove the communication terminal. The power supply to the selected port is stopped (S636), and the process returns to step 621.

  When the terminal connection detection unit 621 detects that the connection of the communication terminal to be fed is maintained (S635, NO), the process proceeds to step 623.

  As a result, power supply is stopped only for ports to which only one communication terminal is connected, and power supply is continued and communication is maintained at ports to which a plurality of communication terminals are connected.

  In step 605 in FIG. 5 and step 625 and step 626 in FIG. 6, only the terminal ID that matches a predetermined condition may be stored and notified.

  Although not shown, when the main device communication unit 632 detects that the communication link between the power supply hub device 6 of the present invention and the predetermined main device (power supply management device) 2 has been disconnected, it is connected to the terminal connection port. Power supply from the port having one communication terminal may be stopped.

  In this embodiment, the MAC address is the terminal ID, but an IP address or a unique ID that identifies the communication terminal may be used.

1 ... telephone network 2 ... main device (power supply management device)
3 ... IP network 4 ... router 5 ... LAN
6 ... Power feeding hub 7 ... Wireless access point 11, 12, 13 ... IP phone 21 ... PC 31,32 ... Wireless IP phones 601,602,603,604 ... Terminal connection port 605 ... Uplink port 609 ... Power supply unit 611 ... Hub function unit 612 ... Terminal ID temporary storage unit 621 ... Terminal connection detection unit 622 ... Terminal power supply unit 630 ... Power supply control Unit 631 ... Power supply target terminal ID storage unit 632 ... Main device communication unit 633 ... Schedule management unit

Claims (3)

In a power supply hub device including one or more terminal connection ports having a power supply capability,
A power supply control command receiving means for specifying a terminal ID for identifying a power receiving terminal connected to the terminal connection port and receiving a power supply control command related to start or stop of power supply from a predetermined power supply management device, and the received power supply control A power supply control means for controlling start or stop of power supply to a terminal connection port to which the power receiving terminal is connected in response to a command, and a terminal for extracting one or more terminal IDs from data input from each of the terminal connection ports ID extraction means, and terminal ID storage means for storing the extracted terminal ID in association with the terminal connection port,
The power supply control means refers to the terminal ID storage means when the power supply control command received from the power supply management apparatus instructs to stop power supply, and sets the terminal ID specified by the power supply control command. It is determined whether or not a plurality of terminal IDs are stored in the corresponding terminal connection port, and if it is determined that a plurality of terminal IDs are stored, the power supply hub device is characterized by not stopping power supply. . The power supply hub device according to claim 1 ,
The feed control command receiving unit, when the communication link with the Jo Tokoro of the power supply controller device detects that it has been disconnected, the power supply control means, corresponding to the terminal ID by referring to the terminal connection port memory means attached to the feed hub device terminal ID stored it is characterized by stopping the feed of only one terminal connection port. In a power supply hub device including one or more terminal connection ports having a power supply capability,
In response to an instruction from the planned power supply instructing means that designates a terminal ID for identifying a power receiving terminal connected to the terminal connection port according to a pre-registered schedule and instructs start or stop of power supply. Power supply control means for controlling start or stop of power supply to the terminal connection port to which the power receiving terminal is connected, and terminal ID extraction means for extracting one or more terminal IDs from data input from each of the terminal connection ports And terminal ID storage means for storing the extracted terminal ID in association with the terminal connection port,
The power supply hub device, wherein the terminal ID storage means does not store the terminal ID input from the detected terminal connection port when the terminal connection port from which a plurality of terminal IDs are extracted is detected.

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