JP2002351580A - Branch feeding tool from watthour meter, feeding method and watthour meter device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a watthour meter surely have a server computer function in a short time. SOLUTION: A feeding tool for a server computer is composed of a sleeve for branching in which a power line attaching part attached to a power line connected to a terminal of a watthour meter, a branch line attaching part provided as a part for feeding power to the server computer and a connection part between both parts are integrally formed with a conductive metal plate. The server computer has a data measuring means and a communicating means for communicating with an external information system network and is connected to a data accumulation center on the information system network. The server computer also has a server program for providing data accumulated by the data measuring means to the data accumulation center on the basis of data transmission instruction, when the data accumulation center outputs the data transmission instruction that requests data within a prescribed time to be transmitted through the information system network. A feeding method of the server computer and a watthour meter device with a server computer function attached thereto are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for quickly and reliably adding a server computer function to a watt hour meter. More specifically, the present invention provides a server computer power supply tool, a server computer power supply method, and a server computer function related to branch power supply from the watt hour meter of operating power to a server computer provided separately from the watt hour meter. Regarding the added watt hour meter device

[0002]

2. Description of the Related Art A watt hour meter with a server computer integrated therein capable of remotely monitoring and controlling electric equipment connected to a power line on the power consumer side has been developed (Japanese Patent Application 2001).
-28093). This watt-hour meter is provided with a server computer in the housing of the watt-hour meter to remotely monitor and control the watt-hour meter and home electric appliances. The operating power of the server computer is the primary power meter. Power is supplied at the side terminals.

[0003]

By the way, the watt-hour meter provided at each customer's house has the above-mentioned server computer integrated with the watt-hour meter, depending on the mounting position. In the watt hour meter, a considerable amount of work was sometimes required to attach the existing watt hour meter to the installation position. Therefore, the present invention, even in the case of using the existing watt hour meter as it is, even in the mounting position of the existing watt hour meter such that there is no room for mounting area,
It is an object of the present invention to provide a watt hour meter with a server computer function in a short time and reliably, that is, to provide a server computer power supply device, a server computer power supply method, and a watt hour meter device having a server computer function added thereto. .

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a server computer provided separately from a watt-hour meter, which supplies branch power from the watt-hour meter for operating power in a short time. It is characterized by adopting a configuration that ensures implementation.

[0005] The present invention is a server computer having data measurement means and communication means for communicating with an external information network, wherein the server computer is connected to a data aggregation center on the information network. A server that, when issuing a transmission command requesting transmission of data within a predetermined time period via an information network, provides data compiled by the data measurement means to the data aggregation center based on the data transmission instruction; In a power supply device for supplying power to a server computer having a program, a power line mounting portion mounted on a power line connected to a terminal of a watt hour meter, a branch line mounting portion provided for supplying power to a server computer, and both of them. The connecting part between the parts is integrally formed by a conductive metal plate, preferably the axis of the power mounting part and the branch line mounting part. The axis is the same direction and are formed in parallel, and / or have been summarized as a server computer for power supply device consisting of a branching sleeve has a stopper provided on an end of the power line mounting portion.

The present invention also relates to a server computer connected to a power line connected to a terminal of a watt-hour meter using a branch line provided with a terminal for connecting to the power supply unit and a power supply portion of the server computer. The invention provides a power supply method for a server computer, which is characterized by supplying power to a server computer.

Further, the present invention is a server computer which has a watt hour meter, data measuring means, and communication means for communicating with an external information network, and is connected to a data collection center on the information network. When the data totaling center issues a transmission command requesting transmission of data within a predetermined period via the information network, the data totaling by the data measuring means is performed based on the data transmission instruction. A server computer having a server program provided to the data aggregation center, comprising: a branch line having a terminal for connecting the power supply device to a power supply portion of the server computer. Used together with the server computer to supply power from a watt hour meter. The electricity meter apparatus by adding a server computer functions are the gist that.

[0008]

Embodiments of the present invention will be described below. << Watt-hour meter >> The watt-hour meter is not limited to a special one, and may be a known one. A power line 3 extending from an outdoor power line extends on the housing 2 of the watt-hour meter 1. An indoor power line 4 extends from the housing 2. In case 2,
A power meter 5 for measuring the power consumption of an electric device connected to the power line 4 is built in. Hereinafter, the embodiment will be described using an inductive watt-hour meter, but an electronic watt-hour meter may be used. The electric energy measuring device 5 calculates and measures a power consumption based on a rotation measuring unit 6 provided with a rotating plate that rotates in accordance with an amount of supplied power and a rotation amount of the rotating plate of the rotating measuring unit 6. Microcomputer 7, peripheral circuits,
A numerical value display unit (not shown) capable of displaying power consumption as a numerical value and reading it with the naked eye, and power consumption data measured by the microcomputer 7 as the server computer 1
And a communication module 8 for transmitting data to the communication module 2. The primary terminal 10 of the electric energy meter 5 is connected to the power line 3 via a power cutoff switch 22.
Are connected to the power line 4. Light line 4
Is provided with a switchboard (not shown). Primary terminal 1
The current input from 0 flows from the secondary terminal 9 to the power line 4 via the rotary measuring unit 6. When the power cutoff switch is not provided, the power line 3 is directly connected to the primary terminal 10 of the wattmeter as shown in FIG.

<< Server Computer >> The server computer 12 has an interface 35 for performing serial data communication with the microcomputer 7 of the electric energy meter 5.
Is provided. The electric energy meter 5 is provided with an interface 11 for performing serial data communication with the server computer 12. Server computer 12
Acquires power consumption data via the interfaces 35 and 11 and stores the data in the external recording device 16. On the board 13 of the server computer 12, an AC-DC power supply circuit 14, a microcomputer 15, a storage device 16 of the microcomputer 15, a clock circuit 17, an abnormality monitoring circuit 18, a power failure backup circuit 19, a control bus
It has an address bus, a data bus and the like, and has a bus 20 having a primary and a secondary. In addition, on the board 13 of the server computer 12, an interface 21 for opening and closing a power cutoff switch 22 and a power line carrier communication module 24 are connected to perform communication between the power line carrier communication module 24 and the microcomputer 15. Interface 23 and an interface 35 connected to the communication module 8 of the electric energy measuring device 5 for performing electric power measurement / control communication.
The AC-DC power supply circuit 14 has a switching power supply circuit, and includes a microcomputer 15, an external storage device 16, a clock circuit 17, an abnormality monitoring circuit 18, a backup power supply circuit 19, a wireless telephone 25, a transceiver 26, and FM reception. To the machine 27 and the like. The power line carrier communication module 24 has a processor for performing power line carrier communication with each of the electric devices on the power line 4 and also communicates with a microcomputer of the electric device connected to the power line 4 according to a protocol for power line carrier communication. Perform power line carrier communication. And this power line carrier communication module 2
4, a signal for data communication is superimposed on the current supplied from the power line 3 to the power line 4 and transmitted. The power line carrier communication module 24 and the interface 23 constitute internal communication means between the server computer 12 and electric devices on the power line 4. In the figure, 28 is a socket, 29 to 3
2 is a serial port, 33 is an interface, and 34 is an acceleration sensor.

<< Connection Between Watt-hour Meter and Server Computer >> As shown in FIG. 3, the primary terminal of the watt-hour meter is A,
It is composed of three phases B and C. When 100 V is supplied to the AC-DC power supply circuit 14 of the server computer 12, two power supplies A, B or B and C are used. FIG.
Fig. 2 shows a mode in which the power is taken by A and B. In addition, since power line carrier communication carries signals equivalent to three lines,
The power line carrier communication module 24 is connected to three of A, B, and C. When supplying 200V,
The power is taken by two power supplies A and C. Power line carrier module 24
Accordingly, a signal for data communication is superimposed on the current supplied from the power line 3 to the power line 4 and transmitted.
The household electric appliance supplies a power supply of 100 V to two out of three power lines 4.
As we take using book, to perform power line carrier communication,
In FIG. 3, a signal is placed equivalently to three lines D, E, and F.

[0011]

According to the present invention, even when the existing watt-hour meter is used as it is, even when the existing watt-hour meter is installed at a position where there is no margin in the mounting area, the watt-hour meter can be quickly and quickly mounted. The server computer function can be surely provided.
Based on the connection structure between the watt hour meter using the branch sleeve for branching and feeding power for operating the server computer from the power line and the server computer, power distribution work can be performed from the watt hour meter in operation. The power line mounting part to be mounted on the power line connected to the terminal of the watt-hour meter, the mounting part of the branch line to which the terminal for connecting to the power supply part of the server computer is mounted, and the connecting part between the two parts, By using the branching sleeve that is integrally formed of a conductive metal plate, it can be assembled and prepared in advance, can be quickly installed on site, and can be quickly and reliably wired for power supply. Can be.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to embodiments. The present invention is not limited by these examples.

Embodiment An embodiment of a power supply sleeve as an example of a power supply tool used for connection between the watt-hour meter 1 and the server computer 12 will be described with reference to FIGS. The power supply sleeve 50 is made of, for example, a conductive metal plate such as copper, and includes a power line mounting portion 51 that is crimped to the conductor of the power line, a branch line mounting portion 53 that is crimped to the conductor of the branch line 56, and a connecting portion. 52.

The power line mounting section 51 is provided for the power line 3 to be mounted.
Is formed in a cylindrical shape having a C-shaped cross section having a gap 55 along the axial direction of the shaft. The gap 55 facilitates attachment to the power line 3 and prevents the sleeve 50 from being detached from the power line 3 after the attachment. I have. In addition, a stopper 54 bent inward is formed at the tip of the power line mounting portion 51, and a connecting portion 52 extends at an end opposite to the end on which the stopper is formed. In the illustrated embodiment, the stopper 54 is formed by a rectangular piece that reaches the axis formed by bending the tip of the power mounting part 51.
The shape and dimensions can be appropriately changed as long as they are formed by bending at the front end of the device.

The connecting portion 52 is bent so as to bypass the covering portion of the power line, and a branch line mounting portion 53 is formed at the end so as to be back to back with the mounting portion 51. The branch line mounting portion 53 is formed in a cylindrical shape extending from the connecting portion 52 and having an inside diameter that allows the conductor of the branch line 56 to be inserted.

The connection between the power line and the server computer using the power supply sleeve having the above configuration will be described.

The conductor of the branch line 56 having a terminal (not shown) attached to one end of the branch line mounting section 53 is connected to the power supply section of the server computer. Clamp from the outer periphery, branch line mounting part 5
3 is crimped to the branch line 56, and then the power line mounting portion 51 is fitted to the conductor portion of the power line 3 from which the insulator has been peeled off.
The stopper 54 is moved until it comes into contact with the end face of the power line 3, and the power mounting unit 51 is securely mounted on the power line 3. The outer periphery of the power line mounting portion 51 is pressed and clamped by an appropriate tool, and the inner surface of the power line mounting portion 51 is crimped to the power line 3.

After that, the terminal attached to the end of the branch line is fixed to the terminal portion of the server computer,
By attaching a metal fitting having an arc-shaped tightening surface to the outer surface of 1 and screwing the metal fitting to the input terminal portion of the wattmeter,
The power line mounting portion 51 is sandwiched between the metal fitting and the input terminal of the watt hour meter, and the mounting operation is completed. In the above description, the attachment of the branch line and the power line is performed continuously, but the branch line may be attached to the branch line mounting portion in advance. Further, when the power line mounting portion 51 is mounted on the power line 3, the power line mounting portion 51 may be pressed against the outer periphery of the power line mounting portion 51 with an appropriate tool, and the inner surface of the power line mounting portion 51 may be crimped to the power line 3.

[0019]

The power supply from the watt hour meter to the server computer can be easily performed. Since the structure is simple, it does not take up space even when it is mounted, so that the housing of the watt hour meter or the auxiliary housing can be prevented from being enlarged. It can be easily attached to the power line and the branch line, and if it is attached to the branch line in advance, the installation work on site becomes easier.

[Brief description of the drawings]

FIG. 1 is an overall block diagram (with a power cut-off switch) connecting a watt hour meter and a server computer.

FIG. 2 is a partial block diagram (without a power cut-off switch) connecting a watt hour meter and a server computer.

FIG. 3 is a detailed view of a connection portion (without a power cutoff switch).

FIG. 4 is a perspective view of a power supply sleeve used to supply power from a watt hour meter to a server computer.

FIG. 5 is a cross-sectional view of a power supply sleeve used for supplying power from the watt hour meter to the server computer.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 watt-hour meter 2 watt-hour meter housing 3 power line 4 power line 5 watt-hour meter 6 rotary measuring unit 7 microcomputer 8 communication module 9 secondary terminal 10 primary terminal 11 interface 12 server computer 13 board 14 AC- DC power supply circuit 15 microcomputer 16 external storage device 17 clock circuit 18 abnormality monitoring circuit 19 power failure backup circuit 20 bus 21 interface 22 power cutoff switch 50 power supply sleeve 51 power line mounting part 52 connecting part 53 branch line mounting part 54 stopper 55 gap 56 branch line

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shigeru Oyama 12-56, Wakaba-cho, Tadotsu-cho, Nakatado-gun, Kagawa Prefecture F term in Shikoku Keisoku Kogyo Co., Ltd. 5B011 DA01 EA02

Claims (5)

[Claims] 1. A server computer having data measurement means and communication means for communicating with an external information network, wherein said server computer is connected to a data aggregation center on said information network. When issuing a transmission command requesting transmission of data within a predetermined period via a network, a server program that provides the data totaled by the data measurement means to the data aggregation center based on the data transmission instruction. In the power supply that supplies power to the server computer that you own, a power line mounting part that is mounted on the power line connected to the terminal of the watt hour meter, a branch line mounting part that is provided for supplying power to the server computer, Server computer comprising a branching sleeve integrally formed of a conductive metal plate with a connecting portion of Power supply. 2. The power supply device for a server computer according to claim 1, wherein the axis of the power mounting portion and the axis of the branch line mounting portion are formed in the same direction and in parallel. 3. The power supply device for a server computer according to claim 1, wherein a stopper is provided at an end of the power line mounting portion. 4. A terminal of a watt hour meter for supplying power to the server computer by using a power supply of claim 1, 2 or 3 and a branch line to which a terminal for connecting to a power supply portion of the server computer is attached. A power supply method for a server computer, wherein the power supply method is connected to a power line connected to the power supply to supply power to the server computer. 5. A server computer having an electricity meter, data measuring means, and communication means for communicating with an external information network, wherein the server computer is connected to a data aggregation center on the information network. When the center issues a transmission command requesting transmission of data within a predetermined period via the information network, based on the data transmission command, the data collected by the data measurement means is transmitted to the data collection center. A power meter device comprising: a server computer having a server program to be provided; and a branch attached with a terminal for connecting the power supply device according to claim 1, 2 or 3 to a power supply portion of the server computer. A server computer for supplying power to the server computer together with a power line. Watt-hour meter device with additional data function.