WO2020129843A1 - Tableau de distribution - Google Patents

Tableau de distribution Download PDF

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Publication number
WO2020129843A1
WO2020129843A1 PCT/JP2019/048932 JP2019048932W WO2020129843A1 WO 2020129843 A1 WO2020129843 A1 WO 2020129843A1 JP 2019048932 W JP2019048932 W JP 2019048932W WO 2020129843 A1 WO2020129843 A1 WO 2020129843A1
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WO
WIPO (PCT)
Prior art keywords
power
signal
plc
distribution board
control unit
Prior art date
Application number
PCT/JP2019/048932
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English (en)
Japanese (ja)
Inventor
公義 山本
Original Assignee
公義 山本
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 公義 山本 filed Critical 公義 山本
Publication of WO2020129843A1 publication Critical patent/WO2020129843A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/40—Wall-mounted casings; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/40—Wall-mounted casings; Parts thereof or accessories therefor
    • H02B1/42—Mounting of devices therein

Definitions

  • the present invention relates to a distribution board, and more particularly to a distribution board used in a power line communication (PLC) system.
  • PLC power line communication
  • the communication signal sent from the public line 94 such as an optical fiber is superimposed on the power signal by a parent PLC modem (not shown) provided on the secondary side of the power pole transformer, and the communication line 93 and the power meter WM are fed. It is sent through the home through the PLC modem 91 connected to the outlet 92, and is taken out from the power line PL and received by a home electric appliance such as a personal computer. As a result, for example, it becomes possible to turn on and off home electric appliances at home from an SNS terminal such as a smartphone while away from home.
  • the PLC system uses the service line 93 already provided in a general household and the power line PL provided in the house as a communication line, and thus can provide a communication line with less burden on the consumer. There are advantages.
  • the electric power drawn into the home from the electric pole transformer by the lead-in line 93 is branched into a plurality of pieces in the distribution board D1 and supplied to the outlets 92 or various electric devices.
  • the distribution board D1 is provided with a limiter 3, a master breaker 4, and a plurality of branch breakers 5, and the power line PL is connected to these breakers.
  • the limiter 3 is not installed on the distribution board D1. Since the PLC signal is attenuated every time it passes through the main breaker 4 and the limiter 3, it may be necessary to arrange a relay device for amplifying the signal voltage on the distribution board or the like in the PLC system.
  • Patent Documents 1 and 2 a technique of bypassing the master breaker 4 and the limiter 3 to exchange the PLC signal has been proposed (for example, Patent Documents 1 and 2).
  • an object of the present invention is to enable a control unit for controlling communication of PLC signals bypassing various breakers to be installed without newly requesting an installation location.
  • a distribution board for use in a communication (PLC) system using a power line used for power supply from a commercial power source, the box, a main breaker installed in the box, and the box.
  • a plurality of branch breakers that are arranged and connected to the secondary side of the main breaker, and a secondary side power line of each of the plurality of branch breakers are provided, and a PLC signal is superimposed on the power signal and/or from the power signal.
  • a plurality of first couplers that separate PLC signals, and a PLC signal that is separated from a power signal by a predetermined first coupler of the plurality of first couplers is superimposed on the power signal by another first coupler to control the PLC.
  • There is provided a control unit for operating the control panel and the control unit is arranged in the box.
  • the control unit further includes a second coupler which is provided on a primary side power line of the main breaker and superimposes a PLC signal on a power signal and/or separates a PLC signal from the power signal. Superimposes the PLC signal separated from the power signal by the second coupler on the power signal by the first coupler and/or superimposes the PLC signal separated from the power signal by the first coupler on the power signal by the second coupler. Then, the PLC may be controlled.
  • control unit may be configured to be capable of transmitting and receiving a signal by an optical fiber or a wireless communication with a communication unit built in a power meter provided on the primary side of the main breaker. Good.
  • the plurality of branch breakers may be detachably attached to the substrate.
  • the control unit when the power supply from the commercial power supply is stopped, the power from the storage battery into the house through the main breaker or the plurality of branch breakers. It may be configured to be supplied.
  • horizontal direction refers to the left-right direction, up-down direction, and front-back direction shown in the drawings.
  • FIG. 1 is a schematic front view showing one embodiment of a distribution board according to the present invention
  • FIG. 2 is a schematic circuit diagram.
  • commercial power that has been reduced in voltage (100 V, 200 V) by a power pole transformer (see FIG. 5) is provided at a predetermined position inside the house through a watt-hour meter WM through a lead-in wire 93. It is supplied to the electric panel D.
  • the distribution board D includes a box 1, a plate-shaped board 2 installed in the box 1, a limiter 3 installed in the board 2, a master breaker 4, a plurality of branch breakers 5, and a box 1 inside the box 1. And an illumination lamp L for illuminating.
  • the box 1 includes a main body 11 having a rectangular shape when viewed from the front side and having a predetermined thickness in the front-rear direction and having a front opening, and a lid 12 (shown by a broken line in FIG. 1) covering the front opening of the main body 11.
  • a lid 12 shown by a broken line in FIG. 1
  • Cylindrical protrusions 13a and 13b are formed on the upper and lower outer surfaces of the left end of the main body 11 so as to project outward.
  • 14a and 14b are formed.
  • the box 1 is not particularly limited as long as the main breaker 4 and the branch breaker 5 can be installed, and a conventionally known box can be used. For example, it may be composed of only the main body 11 without the lid 12.
  • the substrate 2 has a rectangular shape when viewed from the front side and has a shape smaller than the front opening of the box 1.
  • a limiter 3, a master breaker 4, and a plurality of branch breakers 5 are attached to the front surface side of the substrate 2.
  • the controller 6 illustrated in FIG. 4 is attached to the rear surface side of the substrate 2.
  • the limiter 3 is a device that shuts off the power supply when a current of amperes or more determined by a contract with a power company flows. Note that the limiter 3 may not be necessary depending on the electric power company.
  • the limiter 3 used in the present invention may be a conventionally known one.
  • the master breaker 4 detects the current in the entire home and shuts off the circuit when the rated current is exceeded.
  • the main breaker 4 used in the present invention a conventionally known one can be used.
  • the branch breaker 5 is divided according to its use, for example, "1st floor lighting equipment” and “2nd floor bedroom outlet", and cuts off the circuit when the current used exceeds the rated current.
  • branch breaker 5 used in the present invention a conventionally known one can be used.
  • An illumination lamp L that illuminates the inside of the box 1 is arranged on the distribution board D, and power is supplied from the storage battery B to the illumination lamp L during a power failure. Accordingly, at the time of power failure, the illumination lamp L is turned on to indicate the presence of the distribution board D, and the work on the distribution board D and the vicinity thereof becomes easy.
  • An LED Light Emitting Diode
  • An LED which consumes less power, is preferably used as the illumination lamp L.
  • the branch breaker 5a and the primary side of the branch breaker 5b are connected to the L1 phase trunk cable consisting of the N trunk line and the L1 trunk line, and the L2 phase trunk cable consisting of the N trunk line and the L2 trunk line is connected to the branch breaker 5c.
  • the primary side of the branch breaker 5d is connected.
  • the power line PL is connected to the secondary side of each of the branch breakers 5a to 5d. As shown in FIG. 5, the power line PL is wired indoors and connected to the outlet 92. Various household appliances are connected to the outlet 92 via the PLC modem 91.
  • First couplers 7a to 7d are attached to the secondary sides of the branch breakers 5a to 5d, respectively.
  • the second coupler 8 is attached to the lead-in wire 93 connected to the primary side of the limiter 3.
  • the first couplers 7a to 7d and the second coupler 8 are devices that superimpose the PLC signal on the power signal and/or separate the PLC signal from the power signal, and are composed of an inductive coupler and a capacitive coupler.
  • FIG. 3 shows a circuit diagram showing an example of a coupler that can be used in the present invention.
  • the coupler shown in this figure includes a coupling circuit section 71 including a coupling transformer, a transmission circuit section 72 that amplifies a PLC signal and superimposes it on a power signal, and sends the PLC signal from the power signal captured through the coupling circuit section 71. It has the receiving circuit part 73 which isolate
  • the PLC signal separated from the power signal by the reception circuit unit 73 is sent to the control unit 6, while the PLC signal sent from the control unit 6 is sent out by the transmission circuit unit 72 with the power signal superimposed thereon.
  • the control unit 6 controls which of the first couplers 7a to 7d or the second coupler 8 superimposes the PLC signal sent from the first couplers 7a to 7d and the second coupler 8 on the power signal.
  • the operation signal such as an ON/OFF signal of the air conditioner Ac or a set temperature signal is output from a personal computer (PC)
  • the operation signal is superimposed on the power signal by the PLC modem 91, It is sent to the branch breaker 5d (shown in FIG. 2) through the outlet and the power line PL.
  • the operation signal sent to the branch breaker 5d is separated from the power signal by the first coupler 7d attached to the secondary side of the branch breaker 5d and sent to the control unit 6.
  • the control unit 6 superimposes the operation signal from the PC on the power signal by the first coupler 7b attached to the secondary side of the branch breaker 5b to which the power line PL that sends power to the air conditioner Ac is connected.
  • the operation signal superposed on the power signal passes through the power line PL, reaches the air conditioner Ac via the outlet 92 and the PLC modem 91, and the operation of the air conditioner Ac is controlled.
  • the operation signal (PLC signal) is transmitted by bypassing the main breaker 4 and the branch breaker 5, so that signal attenuation during transmission is suppressed.
  • PLC signal the operation signal
  • a configuration may be possible in which signals can be transmitted and received between the control unit 6 and a communication unit built in the electric energy meter WM or the outside through a wired or wireless communication line such as an optical fiber (not shown).
  • Fig. 4 shows a vertical sectional view of the distribution board D.
  • the board 2 is mounted in the distribution board D.
  • four support members 15 are provided on the inner surface of the rear wall 11a of the main body 11 of the distribution board D at predetermined distances in the up-down direction and the left-right direction (perpendicular to the paper surface). There is. That is, the support members 15 are provided at the positions facing the four corners of the rectangular substrate 2 as viewed from the front side.
  • the support member 15 may be integrally formed with the main body 11 (for example, by cutting and raising), or may be formed separately from the main body 11 and joined by a conventionally known method such as welding.
  • the support member 15 has an L-shaped cross section, and has a leg portion 15a extending forward from the rear wall 11a, and a support portion 15b extending from the front end of the leg portion 15a toward the center in the vertical direction.
  • the front surfaces of the support portions 15b of the four support members 15 form the same plane.
  • a female screw hole 16 is formed in the support portion 15b.
  • control part for performing the communication control of the PLC signal bypassed by various breakers can be installed without requiring a new installation place, and space saving can be achieved and it is useful. is there.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Distribution Board (AREA)

Abstract

Selon l'invention, un tableau de distribution est utilisé dans un système de communication (PLC) qui utilise une ligne électrique PL pour fournir de l'énergie à partir d'une alimentation électrique commerciale. Le tableau de distribution est caractérisé en ce qu'il comprend un boîtier 1, un disjoncteur principal 4 installé dans le boîtier 1, une pluralité de disjoncteurs de dérivation 5 disposés dans le boîtier 1 et reliés au côté secondaire du disjoncteur principal 4, une pluralité de premiers coupleurs 7 disposés sur les lignes de puissance latérales secondaires respectives de la pluralité de disjoncteurs de dérivation 5 et superposant un signal PLC sur un signal de puissance et/ou séparant le signal PLC du signal de puissance, et une unité de commande 6 pour superposer le signal PLC, qui est séparé du signal de puissance par un premier coupleur prédéterminé parmi la pluralité de premiers coupleurs 7, sur le signal de puissance par un autre premier coupleur pour commander le PLC, l'unité de commande 6 étant disposée dans le boîtier 1. Il est ainsi possible d'installer l'unité de commande, sans nécessiter un nouveau lieu d'installation, de manière à effectuer une commande de communication sur le signal PLC transmis en contournant divers types de disjoncteurs.
PCT/JP2019/048932 2018-12-20 2019-12-13 Tableau de distribution WO2020129843A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018237941A JP7199216B2 (ja) 2018-12-20 2018-12-20 分電盤
JP2018-237941 2018-12-20

Publications (1)

Publication Number Publication Date
WO2020129843A1 true WO2020129843A1 (fr) 2020-06-25

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ID=71101389

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/048932 WO2020129843A1 (fr) 2018-12-20 2019-12-13 Tableau de distribution

Country Status (2)

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JP (1) JP7199216B2 (fr)
WO (1) WO2020129843A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10336885A (ja) * 1997-05-30 1998-12-18 Tempearl Ind Co Ltd 感震センサユニット
JP2007325403A (ja) * 2006-05-31 2007-12-13 Adc Technology Kk 電力供給システム
JP2009027877A (ja) * 2007-07-23 2009-02-05 Kawamura Electric Inc 分電盤
JP2014014237A (ja) * 2012-07-04 2014-01-23 Panasonic Corp 分電盤システム
JP2016163363A (ja) * 2015-02-26 2016-09-05 東芝ライテック株式会社 分電盤

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6260823B2 (ja) 2014-03-31 2018-01-17 パナソニックＩｐマネジメント株式会社 計測器付き分電盤用キャビネットおよび分電盤

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10336885A (ja) * 1997-05-30 1998-12-18 Tempearl Ind Co Ltd 感震センサユニット
JP2007325403A (ja) * 2006-05-31 2007-12-13 Adc Technology Kk 電力供給システム
JP2009027877A (ja) * 2007-07-23 2009-02-05 Kawamura Electric Inc 分電盤
JP2014014237A (ja) * 2012-07-04 2014-01-23 Panasonic Corp 分電盤システム
JP2016163363A (ja) * 2015-02-26 2016-09-05 東芝ライテック株式会社 分電盤

Also Published As

Publication number Publication date
JP7199216B2 (ja) 2023-01-05
JP2020102904A (ja) 2020-07-02

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