JP2019037045A - Power control apparatus - Google Patents

Power control apparatus Download PDF

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JP2019037045A
JP2019037045A JP2017156176A JP2017156176A JP2019037045A JP 2019037045 A JP2019037045 A JP 2019037045A JP 2017156176 A JP2017156176 A JP 2017156176A JP 2017156176 A JP2017156176 A JP 2017156176A JP 2019037045 A JP2019037045 A JP 2019037045A
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power
control
control device
electronic breaker
electric power
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JP6536969B2 (en
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真一 長尾
Shinichi Nagao
真一 長尾
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Kinoshita Shinko
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Kinoshita Shinko
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/221—General power management systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances
    • Y04S20/244—Home appliances the home appliances being or involving heating ventilating and air conditioning [HVAC] units

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  • Air Conditioning Control Device (AREA)
  • Breakers (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

To provide a power control apparatus in which power can be reduced according to each apparatus.SOLUTION: A power control apparatus comprises a plurality of electric power apparatuses 1, a control device 3 which is connected to the electric power apparatuses 1, and an electronic breaker 2 which is connected to the control device 3, wherein the electronic breaker 2 issues an alarm signal S when power supply to the electric power apparatuses 1 exceeds a predetermined value, and the control device 3 halts operation of the electric power apparatuses 1 when the electronic breaker 2 receives the alarm signal S.SELECTED DRAWING: Figure 1

Description

本発明は、空調機や冷凍機器等に接続された電子ブレーカが電流を遮断するのを防止又は遅延させる電力制御装置に関するものである。   The present invention relates to a power control apparatus that prevents or delays an electronic breaker connected to an air conditioner, a refrigeration apparatus, or the like from interrupting current.

一般に、電力会社から供給される電力は、５０Ｋｗを境に高圧需要家のための高圧電力と低圧需要家のための低圧電力とに分類され、さらに低圧電力は、使用される契約負荷設備の総容量に応じて契約する負荷設備契約と、メインブレーカである主開閉器の定格電力に基づいて契約する主開閉器契約とがある。電気料金は、電力会社との契約電力容量で決まる基本料金に、実際に使用した電力量に応じた電力量料金を加えて算出されるが、主開閉器契約においては、全ての電力機器を同時に稼働させる必要がない場合において、負荷設備契約よりも少ない電力容量に基づいて契約できるため、基本料金を安くできる利点がある。   Generally, electric power supplied from electric power companies is classified into high-voltage power for high-voltage customers and low-voltage power for low-voltage customers at the boundary of 50 Kw, and low-voltage power is the total of contract load equipment used. There are load equipment contracts that are contracted according to capacity and main switch contracts that are contracted based on the rated power of the main switch that is the main breaker. Electricity charges are calculated by adding the electricity charge according to the amount of power actually used to the basic charge determined by the contracted power capacity with the power company. When it is not necessary to operate, it is possible to make a contract based on a power capacity smaller than that of the load facility contract.

しかし、通常、主開閉器契約をした場合には電力容量に余裕がないものとなるため、例えば特許文献１には、電力機器に供給される電流値を計測するための電流値計測部と、その電流が流れた時間を計測する時間計測部と、予め設定された値を超えた電流が、予め設定された時間以上に流れた場合に電流の供給を遮断する電流遮断部とを有する電子ブレーカが開示されており、電子ブレーカの設定によって、所定の制御時刻条件及び電流値を満たすと制御が開始されるよう設定されるものが開示されていた。   However, normally, when the main switch contract is made, there is no margin in power capacity. For example, Patent Document 1 includes a current value measuring unit for measuring a current value supplied to a power device, An electronic breaker having a time measuring unit for measuring the time when the current flows, and a current interrupting unit for cutting off the supply of current when a current exceeding a preset value flows for a preset time or more Is disclosed, and the electronic breaker is set so that the control is started when a predetermined control time condition and a current value are satisfied.

特開２０１５−１１７８４１号公報Japanese Patent Laying-Open No. 2015-117841

しかしながら、電子ブレーカはその仕様について全てが一般に開示されるものではなく、一般需要者にとっては電子ブレーカ自体がブラックボックス状態となっており、個々の使用者の使用電力に応じた設定とすることが困難であった。   However, not all of the specifications of the electronic breaker are generally disclosed, and for the general consumer, the electronic breaker itself is in a black box state, and it may be set according to the power consumption of each user. It was difficult.

本発明は、かかる問題に鑑み、個々の設備に応じて、電子ブレーカの電流の遮断を防止又は遅延させることが可能となる電力制御装置を提供することを目的とする。   In view of such a problem, an object of the present invention is to provide a power control device that can prevent or delay the interruption of the current of an electronic breaker according to individual equipment.

前記問題点を解決するために、本発明の請求項１に記載の電力制御装置は、複数の電力機器と、前記電力機器に接続される制御装置と、前記制御装置に接続される前記電子ブレーカとを備え、前記電子ブレーカは、前記電力機器に対する電力供給が所定の値を超えると警報信号を発し、前記制御装置が、前記電子ブレーカからの前記警報信号を受信すると前記電力機器の運転を停止させることを特徴とするものである。   In order to solve the above problem, a power control device according to claim 1 of the present invention includes a plurality of power devices, a control device connected to the power device, and the electronic breaker connected to the control device. The electronic breaker issues a warning signal when the power supply to the power device exceeds a predetermined value, and the control device stops the operation of the power device when receiving the warning signal from the electronic breaker. It is characterized by making it.

また、本発明の請求項２に記載の電力制御装置は、請求項１に記載の電力制御装置において、前記制御装置は、前記電子ブレーカに接続される第一制御装置と前記電力機器に接続される第二制御装置とからなり、前記第一制御装置と前記第二制御装置は、無線接続されており、いずれかの一方で処理された信号によって前記電力機器の運転を停止させることを特徴とするものである。   The power control device according to claim 2 of the present invention is the power control device according to claim 1, wherein the control device is connected to the first control device connected to the electronic breaker and the power equipment. The first control device and the second control device are wirelessly connected, and the operation of the power device is stopped by a signal processed by one of the two control devices. To do.

また、本発明の請求項３に記載の電力制御装置は、請求項２に記載の電力制御装置において、前記第一制御装置又は前記第二制御装置は、いずれか一方に補助機を設け、前記補助機は、前記電力機器の制御パラメータ値を検知し、前記パラメータ値に応じて電力機器の運転を停止させることを特徴とするものである。   Moreover, the power control device according to claim 3 of the present invention is the power control device according to claim 2, wherein the first control device or the second control device is provided with an auxiliary machine in either one of the power control device, The auxiliary machine detects a control parameter value of the power device and stops the operation of the power device according to the parameter value.

さらに、本発明の請求項４に記載の電力制御装置は、請求項３に記載の電力制御装置において、前記制御パラメータ値は、制御時間条件、電流値、電圧値又は温度のうちのいずれか１種以上の値とされることを特徴とするものである。   Furthermore, the power control device according to claim 4 of the present invention is the power control device according to claim 3, wherein the control parameter value is any one of a control time condition, a current value, a voltage value, and a temperature. It is characterized by having a value of seed or more.

本発明の電力制御装置では、電子ブレーカからの警報信号を介して電力機器の運転を停止させることで個々の設備に応じた電子ブレーカの遮断を防止又は遅延させることが可能となる電力制御装置を提供することができる。   In the power control device of the present invention, there is provided a power control device that can prevent or delay the interruption of the electronic breaker corresponding to each facility by stopping the operation of the power device via an alarm signal from the electronic breaker. Can be provided.

本発明の第一の実施の形態に係る電力制御装置の模式図である。It is a schematic diagram of the electric power control apparatus which concerns on 1st embodiment of this invention. 本発明の第一の実施の形態に係る電力制御装置を無線機器を介して接続した場合の模式図である。It is a schematic diagram at the time of connecting the power control apparatus which concerns on 1st embodiment of this invention via a radio | wireless apparatus. 本発明の第一の実施の形態に係る電力制御装置の制御の流れを示す図である。It is a figure which shows the flow of control of the electric power control apparatus which concerns on 1st embodiment of this invention. 本発明の第一の実施の形態に係る電力制御装置を無線機器を介して接続した場合の制御の流れを示す図である。It is a figure which shows the flow of control at the time of connecting the electric power control apparatus which concerns on 1st embodiment of this invention via a radio | wireless apparatus. 本発明の第二の実施の形態に係る電力制御装置の模式図である。It is a schematic diagram of the electric power control apparatus which concerns on 2nd embodiment of this invention. 本発明の第二の実施の形態に係る電力制御装置の制御の流れを示す図である。It is a figure which shows the flow of control of the electric power control apparatus which concerns on 2nd embodiment of this invention. 本発明の第二の実施の形態に係る電力制御装置における（ａ）サイクリック制御と（ｂ）警報制御の流れを示す図である。It is a figure which shows the flow of (a) cyclic control and (b) alarm control in the electric power control apparatus which concerns on 2nd embodiment of this invention.

以下、本発明に係る実施の形態に係る電力制御装置について図面に従って説明する。   Hereinafter, power control apparatuses according to embodiments of the present invention will be described with reference to the drawings.

図１は、本発明の第一の実施の形態に係る電力制御装置の模式図である。図２は、本発明の第一の実施の形態に係る電力制御装置を無線機器を介して接続した場合の模式図である。図３は、本発明の第一の実施の形態に係る電力制御装置の制御の流れを示す図である。
図４は、本発明の第一の実施の形態に係る電力制御装置を無線機器を介して接続した場合の制御の流れを示す図である。図５は、本発明の第二の実施の形態に係る電力制御装置の模式図である。図６は、本発明の第一の実施の形態に係る電力制御装置の制御の流れを示す図である。図７（ａ）は、本発明の第二の実施の形態に係る電力制御装置の制御におけるサイクリック制御の流れを示す図であり、図７（ｂ）は、警報制御の流れを示す図である。 FIG. 1 is a schematic diagram of a power control apparatus according to the first embodiment of the present invention. FIG. 2 is a schematic diagram when the power control apparatus according to the first embodiment of the present invention is connected via a wireless device. FIG. 3 is a diagram showing a control flow of the power control apparatus according to the first embodiment of the present invention.
FIG. 4 is a diagram showing a control flow when the power control apparatus according to the first embodiment of the present invention is connected via a wireless device. FIG. 5 is a schematic diagram of a power control apparatus according to the second embodiment of the present invention. FIG. 6 is a diagram showing a control flow of the power control apparatus according to the first embodiment of the present invention. Fig.7 (a) is a figure which shows the flow of the cyclic control in control of the electric power control apparatus which concerns on 2nd embodiment of this invention, FIG.7 (b) is a figure which shows the flow of alarm control. is there.

〈第一の実施の形態について〉
本発明の第一の実施の形態における電力制御装置は、例えば複数の空調機や冷凍機などから構成される電力機器１と、電力機器１に接続される制御装置３と、制御装置３に接続される電子ブレーカ２とを備える。 <About the first embodiment>
The power control device according to the first embodiment of the present invention is connected to the power device 1 including, for example, a plurality of air conditioners and refrigerators, the control device 3 connected to the power device 1, and the control device 3. The electronic breaker 2 is provided.

制御対象となる電力機器１は、例えばコンプレッサーを備える電力消費量の高い空調機や冷凍機等である。これらの電力機器１はそれぞれ電源に接続されている。また、電力機器１は、外部からの信号を受信して運転を停止することが可能となる入出力部１ａを備える。また、電力機器１は、温度センサーや電流センサー等のセンサーを備えており、例えば、空調機の場合においては機器の電流値や電圧値の他、空調機が設置されている室内の温度を検知することができる。すなわち、電力機器１は、入出力部１ａから少なくとも電流値や温度値等のフィードバック信号を出力できるものとされている。   The power device 1 to be controlled is, for example, an air conditioner or a refrigerator with a high power consumption including a compressor. Each of these power devices 1 is connected to a power source. In addition, the electric power device 1 includes an input / output unit 1a that can receive an external signal and stop the operation. The electric power device 1 includes sensors such as a temperature sensor and a current sensor. For example, in the case of an air conditioner, in addition to the current value and voltage value of the device, the temperature of the room in which the air conditioner is installed is detected. can do. That is, the power device 1 can output at least a feedback signal such as a current value or a temperature value from the input / output unit 1a.

電子ブレーカ２は、屋外から建物内に引き込まれる配線に設けられ、建物内で使用される電力機器１の使用電力を検知することが可能となっている。また、電子ブレーカ２は、手動でブレーカを切ってリセットすることが可能なブレーカスイッチ２ａを備えており、ブレーカスイッチ２ａは、電子ブレーカ２の使用電力が所定の値を超えたときに自動的に遮断される。また、電子ブレーカ２は、所望の使用電力に達したときに警報信号Ｓを発し、使用電力に応じて段階的に、通常の警報Ｓ１、トリップ警報Ｓ２など種々複数の警報信号Ｓを発することも可能である。   The electronic breaker 2 is provided in the wiring drawn into the building from the outside, and can detect the power used by the power device 1 used in the building. Further, the electronic breaker 2 includes a breaker switch 2a that can be manually reset by turning off the breaker. The breaker switch 2a is automatically set when the power consumption of the electronic breaker 2 exceeds a predetermined value. Blocked. In addition, the electronic breaker 2 issues a warning signal S when a desired power consumption is reached, and may issue various warning signals S such as a normal warning S1 and a trip warning S2 in stages according to the power usage. Is possible.

制御装置３は、電子ブレーカ２に接続されており、電子ブレーカ２からの警報信号Ｓを受信する。また、制御装置３は、制御用のリレー５を介して電力機器１の入出力部１ａに接続されており、制御装置３からの運転を停止させる信号を受けて電力機器１の運転を停止することが可能である。すなわち、制御装置３は、電子ブレーカ２からの警報信号Ｓを受信したとき、内蔵された中央処理装置を介して処理された運転を停止させる信号を電力機器１に発するものである。なお、制御装置３と電力機器１の接続は、リレー５を介さず、電力機器１の温度調節器や電磁弁経路に直接接続させたものであってもよい。   The control device 3 is connected to the electronic breaker 2 and receives an alarm signal S from the electronic breaker 2. The control device 3 is connected to the input / output unit 1a of the power device 1 through the control relay 5, and stops the operation of the power device 1 in response to a signal for stopping the operation from the control device 3. It is possible. That is, when the control device 3 receives the alarm signal S from the electronic breaker 2, the control device 3 issues a signal to the electric power device 1 to stop the operation processed through the built-in central processing unit. Note that the connection between the control device 3 and the power device 1 may be directly connected to the temperature regulator or the electromagnetic valve path of the power device 1 without using the relay 5.

また、制御装置３は、図２に示すように、無線機器３０を介して電子ブレーカ２と接続されるものであってよい。より具体的には、制御装置３は、電子ブレーカ２に接続される第一制御装置３１と電力機器１に接続される第二制御装置３２とからなり、第一制御装置３１と第二制御装置３２は、無線接続されており、いずれかの一方で処理された信号によって電力機器１の運転を停止させることができる。第二制御装置３２は、一台の第一制御装置３１に対して複数台接続したものであってもよく、複数台の第二制御装置３２にそれぞれチャンネルを割り当てて、第一制御装置３１との接続をチャンネルで切り替えることができるようにしてもよい。また、電力機器１と電子ブレーカ２との設置場所が離れる場合は第一制御装置３１と第二制御装置３２の間に中継機３３（図示省略）を介在させてもよい。電子ブレーカ２と制御装置３を無線接続にすることで、制御装置３の設置場所が極端に限定されず、電力機器１と有線で接続されている制御装置３の取付け加工の手間が軽減できる。   Moreover, the control apparatus 3 may be connected with the electronic breaker 2 via the radio equipment 30, as shown in FIG. More specifically, the control device 3 includes a first control device 31 connected to the electronic breaker 2 and a second control device 32 connected to the power device 1, and the first control device 31 and the second control device. 32 is wirelessly connected, and can stop the operation of the power device 1 by a signal processed by one of them. A plurality of second control devices 32 may be connected to one first control device 31. Channels are assigned to the plurality of second control devices 32, and the first control device 31 The connection may be switched by channel. Moreover, when the installation place of the electric power apparatus 1 and the electronic breaker 2 leaves | separates, you may interpose the relay machine 33 (illustration omitted) between the 1st control apparatus 31 and the 2nd control apparatus 32. FIG. By making the electronic breaker 2 and the control device 3 wirelessly connected, the installation location of the control device 3 is not extremely limited, and the labor of attaching the control device 3 connected to the power device 1 by wire can be reduced.

制御装置３は、図３に示すように、電子ブレーカ２が稼働するオンの状態において、電力使用量が増加し電力機器１に対する電力供給が所定の値を超えたときに警報出力がオンとなり警報信号Ｓが発せられる。発せられた警報信号Ｓは、制御装置３のＩＮ１に入力される。警報信号Ｓを受信した制御装置３は、第一段階として、冷凍機及び空調機等の全体の電力機器１のうち一部の空調機の運転を停止させる。一部の空調機の運転の停止によって、全体の使用電力が所定の値以下になると、電子ブレーカ２は自動的にリセットされる。   As shown in FIG. 3, when the electronic breaker 2 is in the on state, the control device 3 turns on the alarm output when the power consumption increases and the power supply to the power device 1 exceeds a predetermined value. A signal S is emitted. The issued alarm signal S is input to IN1 of the control device 3. The control device 3 that has received the warning signal S stops the operation of some of the air conditioners in the entire power device 1 such as a refrigerator and an air conditioner as a first step. The electronic breaker 2 is automatically reset when the total power consumption falls below a predetermined value due to the stoppage of some air conditioners.

一部の空調機の運転が停止されても、電力使用量が依然所定の値を超えている場合は、電子ブレーカ２のトリップ警報Ｓ２がオンとなり電子ブレーカ２から警報信号Ｓが発せられる。発せられた警報信号Ｓは、制御装置３のＩＮ２に入力される。警報信号Ｓを受信した制御装置３は、制御装置３に接続された全ての電力機器１の運転を停止させる。これにより、使用電力が所定の値以下になると、電子ブレーカ２は自動的にブレーカリセットされる。一方、全ての電力機器１の運転が停止されても、電力使用量が依然所定の値を超えている場合は、ブレーカトリップとなりブレーカスイッチ２ａが自動的に遮断される。以上の手順によって、制御装置３は、電子ブレーカ２のブレーカトリップを防止又は遅延させることができる。なお、第一段階の運転の停止及び次の段階の全ての電力機器１の運転の停止については、２段階以上の複数の段階に分けて運転を停止させるものであってもよい。例えば、電子ブレーカ２からの使用電力に応じた段階的な４種類の警報信号Ｓに対応させて、４台の電力機器１をそれぞれ段階的に運転を停止させるものであってもよい。また、段階的な４種類の警報信号Ｓに対応させて４台以上の電力機器１をグループごとに段階的に運転を停止させるものであってもよい。   Even if the operation of some of the air conditioners is stopped, if the power consumption still exceeds a predetermined value, the trip alarm S2 of the electronic breaker 2 is turned on and the alarm signal S is issued from the electronic breaker 2. The issued alarm signal S is input to IN2 of the control device 3. The control device 3 that has received the warning signal S stops the operation of all the power devices 1 connected to the control device 3. As a result, when the electric power used falls below a predetermined value, the electronic breaker 2 is automatically reset. On the other hand, even if the operation of all the power devices 1 is stopped, if the power consumption still exceeds a predetermined value, a breaker trip occurs and the breaker switch 2a is automatically cut off. With the above procedure, the control device 3 can prevent or delay the breaker trip of the electronic breaker 2. In addition, about the stop of the driving | operation of the 1st step, and the stop of the driving | operation of all the electric power devices 1 of the next step, you may divide into two or more steps and stop an operation | movement. For example, the operation of each of the four power devices 1 may be stopped step by step in response to four types of stepwise alarm signals S corresponding to the power used from the electronic breaker 2. Alternatively, the operation of four or more power devices 1 may be stopped step by step for each group corresponding to the four types of stepwise warning signals S.

次に、電子ブレーカ２と制御装置３が無線機器３０を介して接続された場合について、前述の図３で示した有線接続された場合との違いについて説明する。制御装置３が、無線機器３０を介して電子ブレーカ２と接続されている場合においては、電力機器１は、図４に示すように、前述の電子ブレーカ２と制御装置３とを有線接続した場合とは異なり、電子ブレーカ２から警報信号Ｓが発せられると、発せられた警報信号Ｓが、電子ブレーカ２と有線接続されている第一制御装置３１のＩＮ１に入力される。そして第一制御装置３１は、制御装置３と有線接続されている第二制御装置３２に警報信号Ｓを無線送信する。   Next, the difference between the case where the electronic breaker 2 and the control device 3 are connected via the wireless device 30 is different from the case where the wired connection shown in FIG. When the control device 3 is connected to the electronic breaker 2 via the wireless device 30, the power device 1 is connected to the electronic breaker 2 and the control device 3 as shown in FIG. In contrast, when an alarm signal S is generated from the electronic breaker 2, the generated alarm signal S is input to IN1 of the first control device 31 connected to the electronic breaker 2 by wire. The first control device 31 wirelessly transmits an alarm signal S to the second control device 32 that is wired to the control device 3.

また、第一段階の空調機の運転が停止された後において、電力使用量が依然所定の値を超えている場合は、電子ブレーカ２のトリップ警報Ｓ２がオンとなって電子ブレーカ２から警報信号Ｓが発せられる。発せられた警報信号Ｓは、電子ブレーカ２と有線接続された第一制御装置３１のＩＮ２に入力される。そして、第一制御装置３１は、制御装置３と有線接続された第二制御装置３２に警報信号Ｓを無線送信する。   Further, after the operation of the air conditioner in the first stage is stopped, when the power consumption still exceeds a predetermined value, the trip alarm S2 of the electronic breaker 2 is turned on and an alarm signal is output from the electronic breaker 2. S is emitted. The issued warning signal S is input to IN2 of the first control device 31 connected to the electronic breaker 2 by wire. Then, the first control device 31 wirelessly transmits an alarm signal S to the second control device 32 wired to the control device 3.

〈第二の実施の形態について〉
本発明の第二の実施の形態における電力制御装置は、第一の実施の形態における電力制御装置の構成と基本的に同様であるが、図５に示すように、電子ブレーカ２又は制御装置３のいずれか一方に、例えば４系統の制御信号の処理が可能なＡＤＤ−ＣＲ（株式会社ＢｅＳｏｌ社製）等の補助機６を設けている。また、補助機６は無線機能が内蔵されているものあってもよく、例えば、制御装置３と有線接続されて第二制御装置３２として使用することができ、無線機器３０の子機として使用することも可能である。また、無線機器３０の第一制御装置３１と第二制御装置３２との間に中継器３３を介在させてもよいのは勿論のことである。さらに、補助機６は、温度を設定して制御する温度制御Ｃ０を前提として、電力機器１を間欠的に順次制御するサイクリック制御Ｃ１を行っており、電力機器１が３０分に１回又は１５分に一回の制御を複数の空調機において行い、使用者に気づきにくい態様で使用電力の削減を行っている。また、補助機６は、サイクリック制御Ｃ１によって電力機器１が制御されていない場合において、別途、第一段階として電力機器１の一部の運転を停止させたり、最終段階として全ての電力機器１の運転を停止させたりする警報制御Ｃ２を同時に行っている。 <About the second embodiment>
The power control device in the second embodiment of the present invention is basically the same as the configuration of the power control device in the first embodiment, but as shown in FIG. 5, the electronic breaker 2 or the control device 3. For example, an auxiliary machine 6 such as an ADD-CR (manufactured by BeSol Co., Ltd.) capable of processing four control signals is provided. Further, the auxiliary device 6 may have a built-in wireless function. For example, the auxiliary device 6 can be used as the second control device 32 by being wired to the control device 3 and used as a slave device of the wireless device 30. It is also possible. Of course, the repeater 33 may be interposed between the first control device 31 and the second control device 32 of the wireless device 30. Further, the auxiliary machine 6 performs cyclic control C1 for sequentially and sequentially controlling the power equipment 1 on the premise of temperature control C0 for setting and controlling the temperature, and the power equipment 1 is once every 30 minutes or Control is performed once every 15 minutes in a plurality of air conditioners, and power consumption is reduced in a manner that is difficult for the user to notice. In addition, when the power device 1 is not controlled by the cyclic control C1, the auxiliary machine 6 separately stops a part of the operation of the power device 1 as a first step, or all the power devices 1 as a final step. The alarm control C2 for stopping the operation is simultaneously performed.

制御装置３は、補助機６において、電力機器１を運転するための制御時刻、電流値、電圧値及び温度値のうちの少なくともいずれか１種以上の値を制御パラメータ値４として検知して、電力機器１の制御パラメータ値４が所定の値を満たす場合に、これに応じて運転を停止させることができる。   The control device 3 detects at least one of the control time, current value, voltage value, and temperature value for operating the power device 1 as the control parameter value 4 in the auxiliary device 6, When the control parameter value 4 of the electric power device 1 satisfies a predetermined value, the operation can be stopped accordingly.

本実施の形態における制御装置３は、図６に示すように、制御時刻、電流値、温度値をパラメータ値４としたサイクリック制御Ｃ１と、電子ブレーカ２からの警報信号Ｓが発せられることでサイクリック制御中でないことを条件に制御が開始される警報制御Ｃ２によって制御される。なお、制御対象となる電力機器１は、サイクリック制御Ｃ１の前提として、温度制御Ｃ０がされており、所定の温度を超えると電流が通電されて運転開始されて、所定の温度以下になると電流が遮断されて運転が停止される。   As shown in FIG. 6, the control device 3 according to the present embodiment generates a cyclic control C <b> 1 with a control time, a current value, and a temperature value as a parameter value 4 and an alarm signal S from the electronic breaker 2. It is controlled by the alarm control C2 that is started under the condition that the cyclic control is not being performed. The electric power device 1 to be controlled is subjected to temperature control C0 as a premise of the cyclic control C1. When the temperature exceeds a predetermined temperature, the current is energized and the operation is started. Is shut off and operation is stopped.

制御装置３に補助機６を設けた場合における制御の具体的な流れは、温度制御Ｃ０がなされていることを前提として、まず電子ブレーカ２がオンの状態で電力使用量が所定の値を超えたときに警報信号Ｓが発せられる。発せられた警報信号Ｓは、電子ブレーカ２に有線接続された親機とされる第一制御装置３１のＩＮ１に入力される。次に警報信号Ｓを受信した第一制御装置３１は、補助機６に警報信号Ｓを送信する。   The specific flow of control when the auxiliary device 6 is provided in the control device 3 is based on the assumption that the temperature control C0 is performed. First, the power consumption exceeds a predetermined value with the electronic breaker 2 turned on. An alarm signal S is issued when The issued alarm signal S is input to IN1 of the first control device 31 that is a parent device connected to the electronic breaker 2 by wire. Next, the first control device 31 that has received the warning signal S transmits the warning signal S to the auxiliary machine 6.

警報信号Ｓを受信した補助機６は、図７（ａ）に示すように、サイクリック制御Ｃ１を行う。まず、例えば１台の空調機である電力機器１が所定の電流値を超えているか否か判断し、電力機器１が運転中であるか否かを判断する。電力機器１の電流値が所定の値を超えている場合には、続いて電力機器１の制御時刻の条件が、所定の条件を満たすか否かについて判断する。制御時刻の条件とは、本実施の形態において、コンプレッサー保護のための保護時間が経過しているか否かについて判断し、当該保護時間の条件を満たす場合は、１時限毎における制御回数の頻度について設定した制御時刻について条件を満たすか否かについて判断する。制御時刻の条件を満たす場合は、次に電力機器１が温度値条件を満たすか否か判断する。上記電流値、制御時刻条件及び温度値のすべての条件を満たす場合には、第一制御装置３１は、第二制御装置３２に１台の空調機である電力機器１の運転を停止させる信号を無線送信する。一方、電力機器１が上記の電流値、制御時刻条件及び温度値のうちのいずれかの条件を満たさない場合には、第二制御装置３２に運転を停止させる信号を送信しない。運転が停止された電力機器１は、所定の時間が経過することで制御を終え運転を再開する。そして運転を停止させる制御が終了したことを補助機６に伝える信号が送信され、この信号を受信した補助機６は再度制御を開始し、順次別の機器の制御を開始する。本実施の形態における電力機器１の制御は、上記の制御を繰り返し、それぞれの空調機及び冷凍機を１台ごとに順次運転を停止させて行われる。なお、第二制御装置３２からの信号で運転が停止された電力機器１は、運転が停止してからの時間の経過に加えて温度値が所定の値を超えているか否かについても判断することで制御を終了させたり、制御を延長又は短縮させたりすることも可能であり、また、運転が停止してからの時間が所定時間経過する前であっても所定の温度値を超えている場合においても制御を終了させることも可能である。例えば、電力機器１の制御は、運転停止からの時間の経過を前提として、所定の温度値以下である場合に、所定の温度値に達するまで制御を継続させたり、あらかじめ設定した時間だけ制御を継続させたりすることも可能である。   The auxiliary machine 6 that has received the warning signal S performs cyclic control C1 as shown in FIG. First, for example, it is determined whether or not the power device 1 that is one air conditioner exceeds a predetermined current value, and it is determined whether or not the power device 1 is in operation. If the current value of the power device 1 exceeds a predetermined value, it is subsequently determined whether or not the control time condition of the power device 1 satisfies the predetermined condition. In this embodiment, the control time condition is determined as to whether or not the protection time for compressor protection has passed. If the protection time condition is satisfied, the frequency of control times per time period is determined. It is determined whether or not a condition for the set control time is satisfied. If the control time condition is satisfied, it is next determined whether or not the power device 1 satisfies the temperature value condition. When satisfying all the conditions of the current value, the control time condition, and the temperature value, the first control device 31 sends a signal that causes the second control device 32 to stop the operation of the power device 1 that is one air conditioner. Wireless transmission. On the other hand, when the electric power device 1 does not satisfy any of the current value, the control time condition, and the temperature value, a signal for stopping the operation is not transmitted to the second control device 32. The electric power device 1 whose operation has been stopped ends control and resumes operation when a predetermined time has elapsed. And the signal which tells auxiliary machine 6 that control which stops operation was completed is transmitted, auxiliary machine 6 which received this signal starts control again, and starts control of another apparatus one by one. The control of the electric power device 1 in the present embodiment is performed by repeating the above-described control and sequentially stopping the operation of each air conditioner and refrigerator. In addition, the electric power device 1 whose operation is stopped by a signal from the second control device 32 determines whether or not the temperature value exceeds a predetermined value in addition to the elapse of time after the operation is stopped. It is also possible to end the control, extend or shorten the control, and exceeds the predetermined temperature value even before the predetermined time has elapsed since the operation stopped In some cases, the control can be terminated. For example, the control of the electric power device 1 is continued until the predetermined temperature value is reached when the temperature is equal to or lower than a predetermined temperature value on the assumption that the time has elapsed since the stop of operation, or the control is performed only for a preset time. It can also be continued.

また、警報信号Ｓを受信した補助機６は、図７（ｂ）に示すように、サイクリック制御とは別に警報制御Ｃ２を同時に行う。まず、電力機器１の運転が前述のサイクリック制御Ｃ１によって停止されているか否かについて判断する。電力機器１の運転がサイクリック制御Ｃ１によって停止されていないと判断した場合は、電子ブレーカ２からの警報信号Ｓが、補助機６に送信される。一方、電力機器１がサイクリック制御Ｃ１によって運転停止されている場合は、電力機器１の外部入力を解除し警報信号Ｓを電力機器１に送信しない。警報信号Ｓを受信した補助機６は、全ての電力機器１の制御を開始させ、本実施の形態においては、第一段階として電力機器１の一部の運転を停止させたり、最終段階として全ての電力機器１の運転を停止させたりする。なお、警報信号Ｓは電子ブレーカ２から、もう１種類の信号が出力可能であり、コンプレッサーの保護時間が経過しているか否かの判断を行ってから、電力機器１の運転を停止できるものも備える。   Further, the auxiliary machine 6 that has received the warning signal S simultaneously performs the warning control C2 separately from the cyclic control, as shown in FIG. 7B. First, it is determined whether or not the operation of the power device 1 is stopped by the above-described cyclic control C1. When it is determined that the operation of the electric power device 1 is not stopped by the cyclic control C <b> 1, an alarm signal S from the electronic breaker 2 is transmitted to the auxiliary machine 6. On the other hand, when the operation of the power device 1 is stopped by the cyclic control C <b> 1, the external input of the power device 1 is canceled and the alarm signal S is not transmitted to the power device 1. The auxiliary machine 6 that has received the warning signal S starts control of all the electric power devices 1, and in the present embodiment, stops a part of the operation of the electric power device 1 as the first step, or sets all the electric devices as the final step. The operation of the electric power device 1 is stopped. Note that the alarm signal S can be output from the electronic breaker 2 and another type of signal can be output, and the operation of the electric power device 1 can be stopped after determining whether or not the compressor protection time has elapsed. Prepare.

補助機６には、電力機器１からの電流値や温度値等の情報が無線信号によってフィードバックされ、補助機６内で電流値の条件や温度値の条件を設定するために使用される。また、前記同様、警報信号Ｓは使用電力に応じた複数の段階的なものであってもよい。電力機器１は、複数の段階的な警報信号Ｓのそれぞれに１対１で対応させたものであってもよく、個々の警報信号Ｓに対して複数の電力機器１を対応させたものであってもよい。   Information such as a current value and a temperature value from the power device 1 is fed back to the auxiliary machine 6 by a radio signal, and is used to set a current value condition and a temperature value condition in the auxiliary machine 6. Further, as described above, the alarm signal S may be a plurality of stepwise signals depending on the power used. The electric power device 1 may be one-to-one associated with each of a plurality of stepped alarm signals S, and the plurality of electric power devices 1 are associated with each alarm signal S. May be.

本実施の形態における電力制御装置は、制御装置３に補助機６を設けることでサイクリック制御Ｃ１によって電力機器１のそれぞれが同時に運転状態になるのを回避できるため、使用電力を削減でき、これに加えて、制御時刻、電流値、温度値の各条件による制御をすることで電子ブレーカ２の遮断を防止、又は遅延させることができる   The power control apparatus according to the present embodiment can reduce the power consumption because it is possible to avoid the simultaneous operation of each of the power devices 1 by the cyclic control C1 by providing the auxiliary device 6 in the control apparatus 3. In addition to this, it is possible to prevent or delay the interruption of the electronic breaker 2 by performing control according to the control time, current value, and temperature value conditions.

以上、本発明の実施の形態について説明したが、本発明はこれらの実施の形態に限定されるものではなく、その趣旨を逸脱しない範囲で種々変更が可能である。例えば制御パラメータ値として電圧値を使用したものであってもよい。また、複数の段階的な警報信号Ｓを送受信するため、機器間の接続及びその他の接続にバス配線を用いてもよい。   As mentioned above, although embodiment of this invention was described, this invention is not limited to these embodiment, A various change is possible in the range which does not deviate from the meaning. For example, a voltage value may be used as the control parameter value. Further, in order to transmit and receive a plurality of stepwise alarm signals S, bus wiring may be used for connection between devices and other connections.

１ 電力機器
２ 電子ブレーカ
３ 制御装置
３１ 第一制御装置
３２ 第二制御装置
４ 制御パラメータ値
６ 補助機
Ｓ 警報信号 DESCRIPTION OF SYMBOLS 1 Electric power apparatus 2 Electronic breaker 3 Control apparatus 31 1st control apparatus 32 2nd control apparatus 4 Control parameter value 6 Auxiliary machine S Alarm signal

前記問題点を解決するために、本発明の請求項１に記載の電力制御装置は、複数の電 力機器と、前記電力機器に接続される制御装置と、前記制御装置に接続される電子ブレ ーカーとを備え、前記電子ブレーカーは、前記電力機器に対する電力供給が所定の値を 超えると使用電力に応じて段階的に複数の警報信号を発することが可能であり、前記制 御装置が、前記電子ブレーカーからの前記警報信号を受信すると、前記警告信号（Ｓ） に対応させて複数の前記電力機器の運転をグループごとに停止させることを特徴とする ものである。 In order to solve the above problem, a power control device according to claim 1 of the present invention includes a plurality of power devices, a control device connected to the power device, and an electronic blur connected to the control device. and a manufacturers, the electronic breaker power supply to the power device is capable of emitting a stepwise plurality of alarm signals in response to the power usage exceeds a predetermined value, said control device, When the warning signal from the electronic breaker is received , the operation of the plurality of power devices is stopped for each group in response to the warning signal (S) .

さらに、本発明の請求項４に記載の電力制御装置は、請求項１から請求項３のいずれか に記載の電力制御装置において、複数の前記電力機器が、少なくとも冷凍機、空調機で あり、前記制御装置が、第一段階として一部の前記空調機を停止することを特徴とする ものである。
Furthermore, the power control apparatus according to claim 4 of the present invention, in the power control apparatus according to any one of claims 1 to 3, a plurality of the power devices is at least refrigerator, air conditioner, The control device stops a part of the air conditioners as a first stage .

Claims (4)

複数の電力機器（１）と、前記電力機器（１）に接続される制御装置（３）と、前記制御装置（３）に接続される前記電子ブレーカ（２）とを備え、
前記電子ブレーカ（２）は、前記電力機器（１）に対する電力供給が所定の値を超えると警報信号（Ｓ）を発し、前記制御装置（３）が、前記電子ブレーカ（２）からの前記警報信号（Ｓ）を受信すると前記電力機器（１）の運転を停止させることを特徴とする電力制御装置。 A plurality of power devices (1), a control device (3) connected to the power device (1), and the electronic breaker (2) connected to the control device (3),
The electronic breaker (2) issues an alarm signal (S) when the power supply to the electric power device (1) exceeds a predetermined value, and the control device (3) causes the alarm from the electronic breaker (2). When receiving the signal (S), the operation of the power device (1) is stopped. 前記制御装置（３）は、前記電子ブレーカ（２）に接続される第一制御装置（３１）と前記電力機器（１）に接続される第二制御装置（３２）とからなり、
前記第一制御装置（３１）と前記第二制御装置（３２）は、無線接続されており、いずれかの一方で処理された信号によって前記電力機器（１）の運転を停止させることを特徴とする請求項１に記載の電力制御装置。 The control device (3) includes a first control device (31) connected to the electronic breaker (2) and a second control device (32) connected to the power device (1).
The first control device (31) and the second control device (32) are wirelessly connected, and the operation of the electric power device (1) is stopped by a signal processed by one of them. The power control apparatus according to claim 1. 前記第一制御装置（３１）又は前記第二制御装置（３２）は、いずれか一方に補助機（６）を設け、
前記補助機（６）は、前記電力機器（１）の制御パラメータ値（４）を検知し、前記制御パラメータ値（４）に応じて電力機器（１）の運転を停止させることを特徴とする請求項２に記載の電力制御装置。 The first control device (31) or the second control device (32) is provided with an auxiliary machine (6) in either one of them,
The auxiliary machine (6) detects the control parameter value (4) of the power device (1) and stops the operation of the power device (1) according to the control parameter value (4). The power control apparatus according to claim 2. 前記制御パラメータ値（４）は、制御時間条件、電流値、電圧値又は温度値のうちのいずれか１種以上の値とされることを特徴とする請求項３に記載の電力制御装置。   The power control apparatus according to claim 3, wherein the control parameter value (4) is one or more of a control time condition, a current value, a voltage value, and a temperature value.
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JPH1089744A (en) * 1996-09-11 1998-04-10 Rapoole:Kk Number of operating set control method of air conditioner and device for the same
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