JP4446854B2 - Power strip - Google Patents

Description

  The present invention relates to a power strip for performing power control of an electrical device remotely through a network.

  For example, a home appliance control network system described in Patent Literature 1 is known as a device that can control the power supply of an electrical device remotely through a network. In this home appliance control network system, the home appliance itself has a communication function for communicating with the controller through the network in advance, so that the power of the home appliance can be controlled from the controller.

  In addition, the table tap described in Patent Document 2 can control the power supply of the home appliance from a control device outside the home by providing a power line carrier communication modem on the table tap that supplies power to the home appliance. . In this table tap, it is possible to specify a home appliance connected to the socket of the table tap by a model switch configured by a slide switch, a rotary switch, or the like, and control the home appliance for each home appliance.

JP 2001-86572 A (paragraphs 0067-0070, FIG. 4) JP 2004-30930 A (page 4-5, FIG. 1)

  In a system that performs power control by communicating with the home appliance itself as described in Patent Document 1, it is necessary to provide a communication means for each home appliance to be controlled, which increases the cost of the home appliance itself. There is a problem. Moreover, since it is necessary to replace existing home appliances that do not have communication means with home appliances provided with communication means, there is a problem that the burden on the user increases.

  On the other hand, the table tap described in Patent Document 2 is not provided with communication means in the home appliance itself, and even if a plurality of table taps are connected to the same power line, they are connected to each socket of each table tap. It is possible to specify and control individual home appliances using model switches, but individual values must be set using model switches for each home appliance.

  In the case of the table tap described in Patent Document 2, when the value of the model switch of a plurality of table taps connected to the same power line is mistakenly duplicated, the power supply control of the home appliance can be performed normally. become unable. Further, Patent Document 2 describes that it can be easily installed without any special work, but the power line communication technology itself has not been completed and is actually normal due to such power line communication. It is unclear whether or not it can be controlled. Although attempts have been made to use the power line for communication, in practice, special work such as redrawing the power line itself or connecting a blocking filter to the power line is necessary to perform power line communication. It must be made.

  Therefore, in the present invention, an IP (Internet Protocol) such as the Internet or an intranet that is widely used is generally used without adding communication means to the electrical equipment itself and without performing any special work on the power line. ) It is an object to provide a power strip that can easily control the power supply of electrical equipment using a network.

  The power strip of the present invention is a power strip interposed between the distribution line and the electric device, and a power plug for connecting to the distribution line, a plug connection portion for connecting the power plug of the electric device, An IP network connection unit for connecting to an IP network, an IP address storage unit for storing an IP address for enabling connection from another device via the IP network, and a power plug and a plug for connecting to a distribution line A switch unit that electrically connects or disconnects the connection unit; and a control unit that controls the switch unit based on control information transmitted from another device connected via the IP network. is there.

  The power strip according to the present invention is used by connecting a power plug to a distribution line, connecting a power plug of an electric device to a plug connecting portion, and further connecting to an IP network by an IP network connecting portion. Since the power tap stores the IP address, it is possible to connect from another device via the IP network by the IP address only by connecting to the IP network. Then, the switch unit is controlled based on the control information transmitted from other devices connected via the IP network, and the power plug and the plug connecting unit are electrically connected or disconnected, thereby Control to turn on or off the power of the device can be performed. In addition, since each power strip can be identified by an IP address, even when a plurality of power strips are connected to the same IP network, individual power strips are identified and control information is received from other devices. It is possible to transmit, and power control of the electrical equipment connected to each power tap can be performed.

  The power strip of the present invention preferably has web server means for providing a web page for acquiring control information from another device connected via the IP network to the other device. A web page is provided to other devices using a WWW (World Wide Web) system that is standardly used in an IP network such as the Internet or an intranet. A web browser which is application software for browsing web pages is provided. Web browsers are widely used, and personal computers and mobile phone devices connected to an IP network are usually equipped as standard. The power strip of the present invention can provide a web page for acquiring control information to another device by the web server means, and can acquire control information transmitted by the other device from a form on this web page. .

  The power tap of the present invention includes a plurality of plug connection portions, and the switch portion is configured to individually connect or disconnect between the power plug for connecting to the distribution line and the plurality of plug connection portions. be able to. As a result, a plurality of electrical devices are connected to a plurality of plug connection portions of one power strip, and each switch connection portion and the power plug are electrically connected to or disconnected from each other by the switch portion. It becomes possible to control the power supply of a plurality of electric devices with a tap.

  In addition, the power strip according to the present invention preferably includes first information providing means for providing information indicating a control state by the control unit to other devices connected via the IP network. Thereby, it becomes possible to confirm the control state of the electric device whose power is controlled remotely by another device connected via the IP network on the spot.

  Moreover, it is desirable that the power strip of the present invention has a second information providing unit that provides information indicating an energization state of the electric device to other devices connected via the IP network. Thereby, it becomes possible to confirm the energization state to the electric equipment connected to the power tap of the present invention on the spot by another device connected via the IP network. Here, the information indicating the energization state includes, for example, the current waveform, the average value, the peak value, the effective value, the crest factor, the waveform rate, the time constant, the energization time and peak position within the period, the voltage and the consumption current. This is information relating to one or a plurality of feature amounts among a phase difference from current, a time difference, and a power factor.

  In addition, the power strip of the present invention is detected by the state detecting unit for detecting the state of the electric device from the change in the energization state of the electric device and the other device connected via the IP network by the state detecting unit. It is desirable to have 3rd information provision means which provides the information which shows the state of an electric equipment. As a result, the state of the electrical device detected from the change in the energization state of the electrical device connected to the power strip of the present invention can be confirmed on the spot by another device connected via the IP network. Become.

  In addition, the power strip of the present invention includes a power consumption integrating unit that integrates the power consumption of each electrical device from information indicating the energization state of each electrical device connected to the plurality of plug connection portions, and the integrating unit. Used power storage means for storing the accumulated power consumption of each electrical device as a used power amount, and stored in the used power storage means for other devices connected via the IP network. It is desirable to have fourth information providing means for providing information on the amount of power used. As a result, the power consumption of each electrical device connected to the power tap of the present invention can be confirmed on the spot by another device connected via the IP network.

  In addition, the power tap of the present invention includes timer setting information for performing electrical connection or disconnection by the switch unit after a predetermined time has passed as control information, and the control unit controls the switch unit based on the timer setting information By adopting such a configuration, it becomes possible to automatically turn on or off the power supply of the electric device after a predetermined time has passed remotely.

  The IP network connection unit according to the present invention preferably has a gateway function for enabling connection from other devices via the Internet as an IP network. As a result, the power supply tap of the present invention can be directly connected from another device via the Internet as an IP network to perform remote power control of the electrical equipment.

  In addition, the power strip according to the present invention preferably includes a remote controller capable of transmitting control information to the control unit. Thereby, it becomes possible to turn on or off the power supply of the electrical equipment connected to the power strip of the present invention by operating the remote controller with respect to the power strip.

(1) A power plug for connecting to a distribution line, a plug connecting portion for connecting a power plug of an electrical device, an IP network connecting portion for connecting to an IP network, and other devices via the IP network An IP address storage unit for storing an IP address for enabling connection from a power source, a switch unit for electrically connecting or disconnecting between a power plug and a plug connection unit for connection to a distribution line, and an IP network And a control unit that controls the switch unit based on control information transmitted from the other connected device, so that the control signal is connected from the other device via the generally widely used IP network. By transmitting this, it becomes possible to easily control the power supply of the electric device remotely. Further, since it is not necessary to add communication means to the electrical equipment itself or to perform any special work on the power line, it is possible to perform remote power control of the electrical equipment at a low cost. Furthermore, since each power strip can be identified by an IP address, even when a plurality of power strips are connected to the same IP network, individual power strips are identified and control information is received from other devices. Therefore, it is possible to easily control the power supply of the electrical equipment connected to each power tap.

(2) By providing web server means for providing a web page for acquiring control information from another device connected via the IP network to the other device, it is connected to a widespread IP network. It is possible to easily transmit the control information of the electric device from a web browser that is normally provided as a standard in personal computers and mobile phone devices.

(3) By providing a plurality of plug connection portions, the switch portion individually connects or disconnects between the power plug for connecting to the distribution line and the plurality of plug connection portions, thereby providing one power tap. It is possible to connect a plurality of electrical devices to the plurality of plug connection portions and easily control the power of the plurality of electrical devices with one power tap.

(4) By having first information providing means for providing information indicating the control state by the control unit to other devices connected via the IP network, the control state of the electric device that is remotely controlled to control the power supply is provided. It can be confirmed on the spot by another device connected via the IP network. As a result, when controlling the power supply of the electrical device remotely, it is possible to confirm whether or not the power supply control is normally performed, and it is possible to quickly cope with the occurrence of an abnormality.

(5) By providing the second information providing means for providing information indicating the energization state of the electric device to other devices connected via the IP network, the energization state of the electric device is changed to the IP network. It is possible to confirm on the spot by another device connected via the network. Thereby, it becomes possible to check the energization state of the electric device remotely and manage the electric device. In addition, since it is possible to remotely confirm whether or not an abnormality has occurred in the electrical device based on the energization state of the electrical device, it is possible to quickly cope with the occurrence of the abnormality.

(6) The state detection means for detecting the state of the electrical equipment from the change in the energization state of the electrical equipment and the state of the electrical equipment detected by the state detection means with respect to other devices connected via the IP network By including the third information providing means for providing information, the state of the electrical device can be confirmed at a glance on the spot by another device connected via the IP network. Accordingly, it is possible to confirm whether or not an abnormality has occurred in the electric device based on the state of the electric device, and it is possible to quickly cope with the occurrence of the abnormality.

(7) Power consumption amount integrating means for integrating the power consumption amount of each electric device from information indicating the energization state of each electric device connected to the plurality of plug connection portions, and each electric device integrated by this integrating means Power consumption storage means for storing a value obtained by accumulating the amount of power consumption as power consumption, and information on the power consumption stored in the power consumption storage means for other devices connected via the IP network By using the fourth information providing means for providing the information, it is possible to check the power consumption of each electrical device on the spot by another device connected via the IP network. As a result, it is possible to remotely manage the amount of power used by each power device.

(8) The control information includes timer setting information for performing electrical connection or disconnection by the switch unit after a predetermined time has elapsed, and the control unit controls the switch unit based on the timer setting information, thereby enabling remote control. It becomes possible to automatically turn on or off the electric device after a predetermined time has elapsed.

(9) The IP network connection unit has a gateway function for enabling connection from another device via the Internet as an IP network, and therefore the Internet as an IP network can be achieved with a single power strip according to the present invention. It is possible to perform remote power supply control of electrical equipment by connecting directly from other devices via the.

(10) By providing the control unit with a remote controller capable of transmitting control information, the power supply of the electrical device connected to the power strip of the present invention can be turned on or off by operating the remote controller with respect to the power strip. It becomes possible.

FIG. 1 is a schematic diagram showing a use state of a power strip in the embodiment of the present invention.
In FIG. 1, a power strip 1 according to an embodiment of the present invention is interposed between a distribution line W and electric devices A, B, and C. The power strip 1 is used to connect the power plug 2 for connecting to the distribution line W by being inserted into the plug insertion port X of the distribution line W and the power plugs D, E, and F of the electric devices A, B, and C. A plug insertion port 3a, 3b, 3c as a plug connection unit, and an IP network connection unit 4 for connecting to a local area network (LAN) Y such as a home or office as an IP network; Is provided.

FIG. 2 is a block diagram showing a detailed configuration of the power strip 1 of FIG.
The power plug 2 and the plug insertion ports 3a, 3b, 3c are connected via relays 5a, 5b, 5c as switch portions that can be electrically connected or disconnected. In addition, measurement sensors 6a, 6b, and 6c are provided in the middle of the electric wires connecting the power plug 2 and the plug insertion ports 3a, 3b, and 3c, respectively. FIG. 2 shows an example in which each measurement sensor 6a, 6b, 6c is provided between each relay 5a, 5b, 5c and the power plug 2, but each measurement sensor 6a, 6b, 6c It is also possible to provide between the relays 5a, 5b, 5c and the plug insertion ports 3a, 3b, 3c.

  Further, the power strip 1 is a personal computer (hereinafter referred to as a “personal computer”) P or a mobile phone device H connected via a LANY and the Internet Z as an IP network, or a remote controller (described later). Hereinafter, it is referred to as a “remote controller.”) A control unit 7 is provided for controlling the relays 5a, 5b, 5c based on control information transmitted from the control unit 10. The current for driving the control unit 7 is supplied by a power circuit 8 that is branched and connected to the electric wire from the power plug 2. Further, the power tap 1 includes an IP address storage unit 9 that stores an IP address for enabling connection from another device via the LANY and the Internet Z.

  The control unit 7 includes a communication circuit 12 for connecting to and communicating with the LANY and the Internet Z via the IP network connection unit 4. The communication circuit 12 connects to the LANY and the Internet Z using the IP address stored in the IP address storage unit 9. In this embodiment, the gateway 11 that relays signals between the LANY and the Internet Z is installed. However, the IP network connection unit 4 has the same function as the gateway 11. Then, the gateway 11 is unnecessary. LANY may be a wired connection or a wireless connection.

  The remote controller 10 can transmit control information to the control unit 7. The remote controller 10 includes a communication means (not shown) for connecting to the LANY and communicating with the communication circuit 12 of the power tap 1. Alternatively, the remote controller 10 may be configured to communicate with the power tap 1 by other communication means such as Bluetooth or infrared communication. The remote controller 10 can transmit a control signal similar to the control signal transmitted from a device such as the personal computer P or the mobile phone device H by key input.

  Moreover, the control part 7 is the information (showing the electricity supply state to the electric equipment A, B, C connected to each plug insertion port 3a, 3b, 3c based on the value measured by measurement sensor 6a, 6b, 6c ( Features such as current waveform, average value of current consumption, peak value, effective value, crest factor, waveform rate, time constant, energization time and peak position within the cycle, phase difference between voltage and current consumption, time difference and power factor Drive measurement circuit 13 for calculating (quantity). In addition, the drive measurement circuit 13 includes state detection means (not shown) that detects the states of the electric devices A, B, and C from changes in the energization state of the electric devices A, B, and C. In addition, the drive measurement circuit 13 integrates power consumption amount means (not shown) that integrates the power consumption amounts of the electric devices A, B, and C from information indicating the energization states of the electric devices A, B, and C. And a power consumption storage means (not shown) for storing, as the power consumption, a value obtained by accumulating the power consumption of each electric device A, B, C accumulated by the power consumption accumulation means. Furthermore, the drive measurement circuit 13 includes relay control means (not shown) that controls the relays 5a, 5b, and 5c based on the control information acquired by the communication circuit 12.

  The control unit 7 also provides a web page for providing various information to other devices such as the personal computer P and the mobile phone device H, and for obtaining control information from these other devices. A web server unit 14 provided to the apparatus is provided. FIG. 3 shows an example of a web page provided to the personal computer P by the web server unit 14. In the following description, the web page 20 of FIG. 3 will be described as an example. However, the web page provided to the mobile phone device H is basically the same configuration except for the layout and the like.

  In the example of FIG. 3, the web page 20 provided from the web server unit 14 to the personal computer P or the mobile phone device H has a number 21 corresponding to each plug insertion port 3 a, 3 b, 3 c and each plug insertion. Pull-down box 22 for designating the time until each relay 5a, 5b, 5c corresponding to the mouth 3a, 3b, 3c operates as a timer, and electrical connection (on) or disconnection (off) by each relay 5a, 5b, 5c Radio button 23 for designating switching, pull-down box 22 and transmission button 24 for transmitting the contents designated by the radio button 23 to the power tap 1 as control information, the control state of the relays 5a, 5b, 5c by the control unit 7 , Information 25 indicating the electrical equipment A, B connected to the plug insertion ports 3a, 3b, 3c accumulated by the drive measuring circuit 13 Reset button 26a for returning to the initial value are displayed power consumption 26, and an integrated value of power consumption 26.

  In addition, the web page 20 is input with a reload button 27 for updating each information displayed on the web page 20 to the latest information and an IP address for connecting to the IP network by the IP network connection unit 4. And a text box 28 for displaying, a text box 29 for inputting and displaying a net mask for connecting to the IP network, a personal computer P, a mobile phone device H, etc., and a power strip 1 via LANY and Internet Z A text box 30 for inputting and displaying the gateway address of the gateway 11 for performing communication between them, and the set values input in the text boxes 28, 29, 30 are transmitted to the power strip 1, and the IP address A save button 32 for storing in the storage unit 9 is provided. It has been. The web page 20 also displays a MAC address that is a unique ID number for identifying the IP network connection unit 4 on the IP network.

  Although not shown in the figure, this web page 20 includes, as an option, information (current waveform, average value of consumption current, peak) indicating the energization state of each electric device A, B, C calculated by the drive measurement circuit 13. Value, effective value, crest factor, waveform rate, time constant, energization time and peak position in the cycle, phase difference between voltage and current consumption, and various features such as time difference and power factor), and drive measurement Information indicating the state of each electric device A, B, C detected by the state detection means of the circuit 13 is displayed, or information on the power consumption stored in the power consumption storage means of the drive measurement circuit 13 is displayed. It is also possible to do. When the personal computer P or the cellular phone device H is connected to the power strip 1 to authenticate with a password in order to acquire the web page 20, the setting information is input and displayed on the web page 20. The input setting information may be transmitted to the power strip 1 and stored.

Hereinafter, the operation of the power tap 1 having the above configuration will be described with reference to the flowchart of FIG.
First, the electric devices A, B, and C are connected to the plug insertion ports 3a, 3b, and 3c of the power tap 1, respectively, and the control unit 7 is activated (step S101). A user connects to a desired power strip 1 via the Internet Z, gateway 11 and LANY by a personal computer P or a mobile phone device H or the like. At this time, even if a plurality of power strips 1 exist in the same LANY, different IP addresses are set for the respective power strips 1 and stored in the respective IP address storage units 9, so the user wants to control them. An electrical device can be connected to the power strip 1 to which A, B, and C are connected.

  When connected to the power strip 1, a web page (not shown) that prompts the user's personal computer P, mobile phone device H, etc. to input a login password is transmitted from the power strip 1 by the web server unit 14. The user inputs a login password from this web page and transmits it (step S102). The transmitted login password is received by the control unit 7 of the power tap 1 and an authentication process is performed (step S103). Here, if the login password is not appropriate, the authentication fails and a web page that prompts the user to input the login password is transmitted again.

  If the login password is appropriate, the authentication is completed, and a web page as shown in FIG. 3 is transmitted from the web server unit 14 to the user's personal computer P, the mobile phone device H, or the like. The user performs a predetermined operation on the web page and presses the transmission button 24 or the save button 32. When one of these is pressed, the information is transmitted from the user's personal computer P or the mobile phone device H to the power strip 1. The transmitted information is received by the control unit 7 of the power tap 1 (step S104), and a command determination is made by the control unit 7 (step S105).

  When the transmission button 24 is pressed, the control unit 7 determines that it is a control command for the relays 3a, 3b, and 3c corresponding to each transmission button 24, and executes the command (step S106). On the other hand, when the save button 32 is pressed, the control unit 7 stores the information input in the text boxes 28, 29, 30 and the like in the IP address storage unit 9 (step S107). Then, after each process is completed, a logout process is performed (step S108).

  Here, the execution process of the instruction in step S106 will be described in detail with an example.

  When the user wants to turn on the home appliance A, the number 21 corresponding to the plug socket 3a into which the home appliance A is inserted in the web page 20 of FIG. The radio button 23 designates ON and the send button 24 on the same line is pressed. By this operation, a control command for connecting the relay 3a to the power tap 1 is transmitted from the personal computer P or the cellular phone device H. The power tap 1 receives this control command, and connects the relay 5a in the drive measurement circuit 13 according to this control command. As a result, the power plug and the plug insertion port 3a are electrically connected, and power is supplied to the electric device A.

  On the other hand, when the user wants to turn off the home appliance A, the radio button 23 of the number 21 corresponding to the plug socket 3a into which the home appliance A is inserted is turned off in the web page 20 of FIG. Designate and press the send button 24 on the same line. By this operation, a control command for disconnecting the relay 3 a is transmitted from the personal computer P or the mobile phone device H to the power tap 1. The power tap 1 receives this control command, and the drive measurement circuit 13 disconnects the relay 5a according to this control command. Thereby, the power plug 2 and the plug insertion port 3a are electrically disconnected, and the power supply to the electric device A is stopped. In addition, the user can confirm the control state by the relay 5a by the information 25 of the web page 20.

  When it is desired to automatically turn on / off the electrical device A after a predetermined time has elapsed, a pull-down is performed when the radio button 23 is designated on / off and the transmission button 24 is pressed on the web page 20 of FIG. The user presses a time until the operation specified by the radio button 23 is started in the box 22 until the operation is started. By this operation, the drive measurement circuit 13 of the power tap 1 monitors the elapsed time after the transmission button 24 is pressed, and connects or disconnects the relay 5a after the specified time has elapsed. As a result, the power plug 2 and the plug insertion port 3a are automatically connected or disconnected after the specified time has elapsed, and the power supply of the electric device A is automatically turned on / off.

  Similarly, for the electric devices B and C, a pull-down box 22, a radio button 23, and a transmission button 24 corresponding to the plug insertion port 3 a into which the corresponding home electric appliances B and C are inserted in the web page 20. The power can be turned on / off. Also, for another power strip 1 connected to the same LANY as the power strip 1, each power strip 1 is set by the IP address of each power strip 1 (set by the text box 28 of the web page 20). Since it is specified, the power supply of the electrical equipment connected to the plug insertion ports 3a, 3b, 3c of each power tap 1 can be turned on / off in the same manner.

  As described above, according to the power strip 1 of the present embodiment, the personal computer P or the mobile phone device H connected to the generally widely used IP network (LANY and Internet Z) can be used from anywhere in the world. However, by connecting and transmitting a control signal, it is possible to easily control the power supply of the electric devices A, B, and C remotely. In addition, it is not necessary to add communication means to the electric devices A, B, and C themselves, or to perform any special work on the power lines. Therefore, it is not necessary to consider power supply conditions that differ depending on the country or region, and remote power control of electrical equipment can be performed at low cost. Further, if LANY is wirelessly connected, it can be used simply by inserting the power strip 1 into the plug insertion port X, and there is no need for any other wiring work.

  Such a power strip 1 is a personal computer P or mobile phone device that is connected to an IP network for the power supply of many electrical devices distributed in a wide range such as home, school, office, factory, etc. Since it can be operated by a device such as H, it is suitable for managing the power supply of each electrical device. According to the power tap 1, it is not necessary to visit each installation place of each electric device, so that the power source of each electric device can be managed frequently. Therefore, this power strip 1 can centrally manage standby power for room lighting, computer room monitors, printers, etc., using the web page 20, so it is possible to reduce wasteful power consumption and reduce electricity usage fees. It becomes.

  Further, in the power strip 1 according to the present embodiment, by setting an IP address using the text box 28 of the web page 20, a plurality of power strips 1 can be connected to the same IP network and used. Thus, it is possible to easily control the power supply of the electrical equipment connected to each power tap 1.

  Moreover, in the power strip 1 according to the present embodiment, the web server unit 14 that provides the web page 20 for obtaining control information from other devices such as the personal computer P and the mobile phone device H connected via the IP network is provided. Because it is equipped, it is easy to send control information of electrical equipment from a web browser that is normally equipped as standard on personal computers P and mobile phone devices H connected to a widespread IP network. is there.

  Moreover, since the power strip 1 according to the present embodiment includes the plurality of plug insertion ports 3a, 3b, 3c and the plurality of relays 5a, 5b, 5c, the plurality of plug insertion ports 3a, 3b of one power tap 1 are provided. , 3c, a plurality of electrical devices can be connected, and the power control of the plurality of electrical devices can be easily performed with one power tap 1. In addition, it is also possible to set it as the structure provided with one plug socket in one power strip 1, and it is also possible to set it as 2 pieces or 4 pieces or more.

  Moreover, in the power strip 1 according to the present embodiment, as shown on the web page 20, the control unit 7 indicates the control state of other devices such as the personal computer P and the mobile phone device H connected via the IP network. Since the information 25 is provided, the user can check on the spot the control state of the electric device whose power is controlled remotely. As a result, when remotely controlling the power supply of the electrical device, it is possible to confirm whether the power supply is normally controlled, and it is possible to quickly cope with the occurrence of an abnormality. Therefore, the power strip 1 can be applied to the security field.

  Although not shown, in the power strip 1 according to the present embodiment, the web page 20 includes a current waveform, an average value of current consumption, a peak value, an effective value, a crest factor, a waveform rate, a time constant, and an energization time within a cycle. In addition, it is possible to provide information indicating the energization status of each electrical device such as the peak position, the phase difference between voltage and current consumption, and various features such as time difference and power factor. Users can check this information on the spot. As a result, the user can remotely check the energization state of the electrical device and manage the electrical device. In addition, it is possible to confirm the presence or absence of an abnormality in the electric device or the like based on the energization state of the electric device remotely, and to take immediate action when the abnormality occurs.

  Although not shown, the power strip 1 according to the present embodiment can display information indicating the state of each electrical device detected by the state detection unit of the drive measurement circuit 13 on the web page 20. The state of the electrical device can be confirmed at a glance on the spot by other devices such as the personal computer P and the mobile phone device H connected via the IP network. Thereby, the presence or absence of the occurrence of an electric device or other abnormality can be confirmed based on the state of the electric device, and a prompt action can be taken when the abnormality occurs.

  Moreover, although not shown in figure, in the power strip 1 in this embodiment, the web page 20 displays the power consumption amount and the power consumption amount of each electric device connected to the plurality of plug insertion ports 3a, 3b, 3c. Therefore, the user can check the information on the spot and manage the power consumption and the power consumption of each power device remotely.

  Further, in the power strip 1 according to the present embodiment, the gateway 11 is separately installed. However, as described above, the IP network connection unit 4 has the same function as that of the gateway 11 so that the power strip 1 alone is provided. Thus, it is possible to directly connect from other devices such as the personal computer P and the mobile phone device H via the Internet Z, and to perform remote power control of each electric device.

  Further, in the power strip 1 according to the present embodiment, since the control information can be transmitted to the control unit 7 by the remote controller 10, the remote controller 10 can connect the power strip 1 to the power strip 1 without using the personal computer P or the mobile phone device H. It is possible to turn on / off the power of each connected electrical device.

  The power strip of the present invention is useful as a device for remotely performing electrical equipment such as homes, schools, offices and factories. In particular, since the power strip of the present invention can be operated by a device such as a personal computer P or a mobile phone device H connected to an IP network, the power source of many electrical devices can be dispersed over a wide range. This is suitable for centrally managing the arranged electrical devices.

It is the schematic which shows the use condition of the power strip in embodiment of this invention. It is a block diagram which shows the detailed structure of the power strip of FIG. It is a figure which shows the example of the web page provided to a personal computer by a web server part. It is a flowchart which shows operation | movement of a power strip.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Power supply tap 2 Power supply plug 3a, 3b, 3c Plug insertion port 4 IP network connection part 5a, 5b, 5c Relay 6a, 6b, 6c Measurement sensor 7 Control part 8 Power supply circuit 9 IP address memory | storage part 10 Remote controller (remote control)
11 Gateway 12 Communication Circuit 13 Drive Measurement Circuit 14 Web Server Unit

Claims (11)

A power strip interposed between a distribution line and an electrical device,
A power plug for connecting to the distribution line;
A plug connecting portion for connecting a power plug of the electric device;
An IP network connection for connecting to the IP network;
An IP address storage unit for storing an IP address for enabling connection from another device via the IP network;
A switch unit that electrically connects or disconnects between the power plug for connecting to the distribution line and the plug connection unit;
A power strip comprising: a control unit that controls the switch unit based on control information transmitted from another device connected via the IP network.   2. The power strip according to claim 1, further comprising web server means for providing a web page for acquiring the control information from another device connected via the IP network to the other device. A plurality of the plug connection portions are provided,
The power switch according to claim 1 or 2, wherein the switch unit individually connects or disconnects between a power plug for connecting to the distribution line and the plurality of plug connection units.   4. The power strip according to claim 1, further comprising a first information providing unit that provides information indicating a control state of the control unit to another device connected via the IP network. 5.   5. The power strip according to claim 1, further comprising: a second information providing unit that provides information indicating an energization state of the electrical device to another device connected via the IP network.   The information indicating the energization state includes the current waveform, the average value of the current consumption, the peak value, the effective value, the crest factor, the waveform rate, the time constant, the energization time and peak position within the period, and the voltage and current consumption. The power strip according to claim 5, wherein the power tap is information related to one or a plurality of feature amounts among a phase difference, a time difference, and a power factor. State detection means for detecting the state of the electrical device from a change in the energization state of the electrical device;
The third information providing means for providing information indicating the state of the electrical device detected by the state detecting means to another device connected via the IP network. The power strip described in. A power consumption integrating means for integrating the power consumption of each electrical device from information indicating the energization state of each electrical device connected to the plurality of plug connecting portions;
A power consumption storage means for storing, as a power consumption, a value obtained by accumulating the power consumption of each electrical device integrated by the integration means;
The power tap according to claim 3, further comprising: a fourth information providing unit that provides information on the used power amount stored in the used power amount storage unit to another device connected via the IP network.   The control information includes timer setting information for performing electrical connection or disconnection by the switch unit after a predetermined time has elapsed, and the control unit controls the switch unit based on the timer setting information. Item 9. The power strip according to any one of Items 1 to 8.   10. The power strip according to claim 1, wherein the IP network connection unit has a gateway function for enabling connection from the other device via the Internet as the IP network.   The power strip according to any one of claims 1 to 10, further comprising a remote controller capable of transmitting control information to the control unit.