JP2001227795A - Method of estimating air-conditioning load in regenerative air-conditioning system, and its device - Google Patents
Method of estimating air-conditioning load in regenerative air-conditioning system, and its deviceInfo
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- JP2001227795A JP2001227795A JP2000043601A JP2000043601A JP2001227795A JP 2001227795 A JP2001227795 A JP 2001227795A JP 2000043601 A JP2000043601 A JP 2000043601A JP 2000043601 A JP2000043601 A JP 2000043601A JP 2001227795 A JP2001227795 A JP 2001227795A
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- air
- conditioning load
- air conditioning
- load
- heat storage
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Abstract
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】この発明は、蓄熱ユニットと
空気調和機とを含む蓄熱空調系統を複数有する蓄熱空調
システムにおいて、各系統の空調負荷を予測するための
方法およびその装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for estimating the air conditioning load of each system in a heat storage air conditioning system having a plurality of heat storage air conditioning systems including a heat storage unit and an air conditioner.
【０００２】[0002]
【従来の技術】従来から、氷蓄熱ユニットなどの蓄熱ユ
ニットと空気調和機とを含む蓄熱空調系統が提案されて
いる。このような蓄熱空調系統は、電力需要が集中しな
い時間帯（例えば、夜間）に蓄熱ユニットを蓄熱運転し
て熱を蓄積し、電力需要が集中する時間帯（例えば、昼
間）に蓄積した熱を放出させながら空気調和機を運転す
ることにより、電力需要が集中する時間帯における空気
調和機の消費電力を低減し、電力需要の平準化を達成す
ることができる。2. Description of the Related Art Conventionally, a thermal storage air conditioning system including a thermal storage unit such as an ice thermal storage unit and an air conditioner has been proposed. Such a heat storage air-conditioning system stores heat by performing heat storage operation of the heat storage unit during a time period when power demand is not concentrated (for example, at night), and stores heat accumulated during a time period when power demand is concentrated (for example, at daytime). By operating the air conditioner while releasing the power, the power consumption of the air conditioner during a time period when the power demand is concentrated can be reduced, and the power demand can be leveled.
【０００３】また、蓄熱空調系統においては、蓄熱量が
多すぎると蓄熱運転を無駄に行うことになり、逆に蓄熱
量が少なすぎると電力需要の十分な平準化を達成するこ
とができなくなってしまう。したがって、蓄熱空調系統
においては、翌日の空調負荷を予測し、予測した空調負
荷に対応させて蓄放熱運転を行わせることが一般的であ
る。In a heat storage air conditioning system, if the amount of heat storage is too large, the heat storage operation is wastefully performed. Conversely, if the amount of heat storage is too small, sufficient leveling of the power demand cannot be achieved. I will. Therefore, in a heat storage air conditioning system, it is common to predict the air conditioning load of the next day and to perform the heat storage / radiation operation in accordance with the predicted air conditioning load.
【０００４】さらに、複数の蓄熱槽を有する場合におい
て、複数の蓄熱槽に関する諸元を統合して１つの論理的
蓄熱槽データを作成し、この論理的蓄熱槽データに基づ
いて運転計画を作成すること（特許第２５０１９８１号
公報参照）が提案されている。Further, when a plurality of heat storage tanks are provided, data relating to the plurality of heat storage tanks are integrated to create one logical heat storage tank data, and an operation plan is created based on the logical heat storage tank data. (See Japanese Patent No. 2501981).
【０００５】[0005]
【発明が解決しようとする課題】前記の蓄熱空調系統を
複数有する蓄熱空調システムにおいては、蓄熱空調系統
毎に空調負荷を予測し、予測した空調負荷に基づいて蓄
熱運転を行わせることになるので、蓄熱空調システム全
体として、空調負荷を予測するための演算処理が煩雑に
なるという不都合がある。また、空調負荷の予測に長時
間がかかると、蓄熱空調システムにおける蓄熱運転時間
が不足してしまう危険性があるので、演算能力が高い計
算機を用いることが必要になり、コストアップ、スペー
スの増加を招いてしまうという不都合もある。In a thermal storage air conditioning system having a plurality of thermal storage air conditioning systems, an air conditioning load is predicted for each thermal storage air conditioning system, and a thermal storage operation is performed based on the predicted air conditioning load. However, the entire heat storage air conditioning system has a disadvantage that the calculation process for estimating the air conditioning load becomes complicated. In addition, if it takes a long time to predict the air conditioning load, there is a risk that the heat storage operation time in the heat storage air conditioning system will be insufficient. Therefore, it is necessary to use a computer with a high computing capacity, which increases costs and increases space. Inconvenience.
【０００６】また、特許第２５０１９８１号公報の場
合、論理的蓄熱槽データを作成するために、複数の蓄熱
槽に関する諸元やプラント構成情報を入力するという煩
雑な作業が必要である。また、複数の蓄熱槽に関する諸
元などを統合し、矛盾のない論理的蓄熱槽データを作成
するという処理が必要である。In the case of Japanese Patent No. 25019811, a complicated operation of inputting specifications and plant configuration information relating to a plurality of heat storage tanks is required to create logical heat storage tank data. In addition, it is necessary to perform processing of integrating specifications relating to a plurality of heat storage tanks and creating logical heat storage tank data with no contradiction.
【０００７】更に、このような方法は一つの系統に複数
の蓄熱槽が接続されていた場合には有効な方法と思われ
るが、系統が独立して複数に分かれていた場合には、結
局系統毎の空調負荷の予測が必要になるために、当初の
効果が期待できないという不都合がある。Further, such a method is considered to be an effective method when a plurality of heat storage tanks are connected to one system. However, when the system is divided into a plurality of systems independently, the system is eventually used. Since it is necessary to predict each air conditioning load, there is a disadvantage that the initial effect cannot be expected.
【０００８】[0008]
【発明の目的】この発明は上記の問題点に鑑みてなされ
たものであり、複数の蓄熱空調系統を有する蓄熱空調シ
ステムにおける各蓄熱空調系統の空調負荷の予測を、簡
単な処理で、短時間で精度よく行うことができる蓄熱空
調システムにおける空調負荷予測方法およびその装置を
提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is a simple process to predict the air conditioning load of each heat storage air conditioning system in a heat storage air conditioning system having a plurality of heat storage air conditioning systems in a short time. It is an object of the present invention to provide a method and a device for predicting an air-conditioning load in a heat storage air-conditioning system that can be performed with high accuracy.
【０００９】[0009]
【課題を解決するための手段】請求項１の蓄熱空調シス
テムにおける空調負荷予測方法は、蓄熱ユニットと空気
調和機とを含む蓄熱空調系統を複数有する蓄熱空調シス
テムにおいて、蓄熱空調システム全体としての合計空調
負荷を予測し、予測した合計空調負荷から各系統の空調
負荷を算出する方法である。請求項２の蓄熱空調システ
ムにおける空調負荷予測方法は、予測した合計空調負荷
から各系統の空調負荷を算出する処理として、合計空調
負荷に対応して既に設定されている空調負荷按分比に基
づいて行う処理を採用する方法である。According to a first aspect of the present invention, there is provided a method for predicting an air conditioning load in a thermal storage air conditioning system, comprising: a thermal storage air conditioning system having a plurality of thermal storage air conditioning systems including a thermal storage unit and an air conditioner; This is a method of predicting the air conditioning load and calculating the air conditioning load of each system from the predicted total air conditioning load. The method for predicting the air conditioning load in the thermal storage air conditioning system according to claim 2 is a process for calculating the air conditioning load of each system from the predicted total air conditioning load, based on an air conditioning load apportionment ratio already set corresponding to the total air conditioning load. This is a method that employs processing to be performed.
【００１０】請求項３の蓄熱空調システムにおける空調
負荷予測方法は、予測した合計空調負荷から各系統の空
調負荷を算出する処理として、予測した合計空調負荷お
よび互いに異なる時間帯における空調負荷の比率に対応
して既に設定されている空調負荷按分比に基づいて行う
処理を採用する方法である。According to a third aspect of the present invention, there is provided a method for predicting an air-conditioning load in a thermal storage air-conditioning system, comprising: calculating the air-conditioning load of each system from the predicted total air-conditioning load; This is a method that employs processing that is performed based on the air-conditioning load apportionment ratio that has already been set.
【００１１】請求項４の蓄熱空調システムにおける空調
負荷予測方法は、予測した合計空調負荷から各系統の空
調負荷を算出する処理として、外気温熱環境情報に対応
して既に設定されている空調負荷按分比に基づいて行う
処理を採用する方法である。According to a fourth aspect of the present invention, there is provided a method for estimating an air-conditioning load in a thermal storage air-conditioning system, wherein the air-conditioning load of each system is calculated from the predicted total air-conditioning load. This is a method that employs processing performed based on the ratio.
【００１２】請求項５の蓄熱空調システムにおける空調
負荷予測装置は、蓄熱ユニットと空気調和機とを含む蓄
熱空調系統を複数有する蓄熱空調システムにおいて、蓄
熱空調システム全体としての合計空調負荷を予測する合
計空調負荷予測手段と、予測した合計空調負荷から各系
統の空調負荷を算出する系統空調負荷算出手段とを含む
ものである。According to a fifth aspect of the present invention, there is provided an air conditioning load predicting apparatus for a thermal storage air conditioning system having a plurality of thermal storage air conditioning systems including a thermal storage unit and an air conditioner. The system includes an air-conditioning load predicting unit and a system air-conditioning load calculating unit that calculates an air-conditioning load of each system from the predicted total air-conditioning load.
【００１３】請求項６の蓄熱空調システムにおける空調
負荷予測装置は、前記系統空調負荷算出手段として、合
計空調負荷に対応して既に設定されている空調負荷按分
比に基づいて各系統の空調負荷を算出するものを採用す
るものである。According to a sixth aspect of the present invention, the air conditioning load predicting device in the thermal storage air conditioning system, as the system air conditioning load calculating means, calculates the air conditioning load of each system based on the air conditioning load apportioning ratio already set corresponding to the total air conditioning load. The one to be calculated is adopted.
【００１４】請求項７の蓄熱空調システムにおける空調
負荷予測装置は、前記系統空調負荷算出手段として、予
測した合計空調負荷および互いに異なる時間帯における
空調負荷の比率に対応して既に設定されている空調負荷
按分比に基づいて各系統の空調負荷を算出するものを採
用するものである。According to a seventh aspect of the present invention, there is provided an air conditioning load estimating apparatus for a heat storage air conditioning system, wherein the system air conditioning load calculating means has already set air conditioning corresponding to the predicted total air conditioning load and the ratio of the air conditioning load in different time zones. A system that calculates the air conditioning load of each system based on the load apportionment ratio is employed.
【００１５】請求項８の蓄熱空調システムにおける空調
負荷予測装置は、前記系統空調負荷算出手段として、外
気温熱環境情報に対応して既に設定されている空調負荷
按分比に基づいて各系統の空調負荷を算出するものを採
用するものである。An air conditioning load predicting device in a thermal storage air conditioning system according to claim 8, wherein the system air conditioning load calculating means includes an air conditioning load of each system based on an air conditioning load apportionment ratio already set corresponding to outside temperature thermal environment information. Is calculated.
【００１６】[0016]
【作用】請求項１の蓄熱空調システムにおける空調負荷
予測方法であれば、蓄熱ユニットと空気調和機とを含む
蓄熱空調系統を複数有する蓄熱空調システムにおいて、
蓄熱空調システム全体としての合計空調負荷を予測し、
予測した合計空調負荷から各系統の空調負荷を算出する
のであるから、個別の蓄熱空調系統の空調負荷を直接に
予測する場合と比較して、簡単な処理で、短時間で個別
の蓄熱空調系統の空調負荷を予測することができる。According to the first aspect of the present invention, there is provided a thermal storage air conditioning system having a plurality of thermal storage air conditioning systems including a thermal storage unit and an air conditioner.
Predict the total air conditioning load of the entire thermal storage air conditioning system,
Since the air-conditioning load of each system is calculated from the predicted total air-conditioning load, the individual heat storage air-conditioning system can be processed in a shorter time with simple processing compared to the case where the air-conditioning load of the individual heat storage air-conditioning system is directly predicted. Of the air conditioner can be predicted.
【００１７】請求項２の蓄熱空調システムにおける空調
負荷予測方法であれば、予測した合計空調負荷から各系
統の空調負荷を算出する処理として、合計空調負荷に対
応して既に設定されている空調負荷按分比に基づいて行
う処理を採用するのであるから、請求項１の作用に加
え、個別の蓄熱空調系統の空調負荷を精度よく予測する
ことができる。According to the method for predicting the air conditioning load in the thermal storage air conditioning system according to the second aspect, the processing for calculating the air conditioning load of each system from the predicted total air conditioning load includes the air conditioning load already set corresponding to the total air conditioning load. Since the processing performed based on the apportionment ratio is adopted, the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of the first aspect.
【００１８】請求項３の蓄熱空調システムにおける空調
負荷予測方法であれば、予測した合計空調負荷から各系
統の空調負荷を算出する処理として、予測した合計空調
負荷および互いに異なる時間帯における空調負荷の比率
に対応して既に設定されている空調負荷按分比に基づい
て行う処理を採用するのであるから、請求項１の作用に
加え、個別の蓄熱空調系統の空調負荷を精度よく予測す
ることができる。According to the third aspect of the present invention, the process for calculating the air conditioning load of each system from the predicted total air conditioning load includes the predicted total air conditioning load and the air conditioning load in different time zones. Since the processing is performed based on the air-conditioning load apportioning ratio that has been set in accordance with the ratio, the air-conditioning load of each heat storage air-conditioning system can be accurately predicted in addition to the effect of claim 1. .
【００１９】請求項４の蓄熱空調システムにおける空調
負荷予測方法であれば、予測した合計空調負荷から各系
統の空調負荷を算出する処理として、外気温熱環境情報
に対応して既に設定されている空調負荷按分比に基づい
て行う処理を採用するのであるから、請求項１の作用に
加え、個別の蓄熱空調系統の空調負荷を精度よく予測す
ることができる。According to the method for predicting an air conditioning load in a thermal storage air conditioning system according to a fourth aspect, the air conditioning load of each system is calculated from the predicted total air conditioning load as air conditioning already set in correspondence with the outside temperature thermal environment information. Since the processing performed based on the load apportionment ratio is employed, the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of the first aspect.
【００２０】請求項５の蓄熱空調システムにおける空調
負荷予測装置であれば、蓄熱ユニットと空気調和機とを
含む蓄熱空調系統を複数有する蓄熱空調システムにおい
て、合計空調負荷予測手段によって蓄熱空調システム全
体としての合計空調負荷を予測し、系統空調負荷算出手
段によって、予測した合計空調負荷から各系統の空調負
荷を算出することができる。According to a fifth aspect of the present invention, there is provided an air conditioning load predicting apparatus for a thermal storage air conditioning system, wherein the thermal storage air conditioning system includes a plurality of thermal storage air conditioning systems including a thermal storage unit and an air conditioner. And the system air-conditioning load calculating means can calculate the air-conditioning load of each system from the predicted total air-conditioning load.
【００２１】したがって、個別の蓄熱空調系統の空調負
荷を直接に予測する場合と比較して、簡単な処理で、短
時間で個別の蓄熱空調系統の空調負荷を予測することが
できる。Therefore, it is possible to predict the air conditioning load of each heat storage air conditioning system in a short time with a simple process, as compared with the case where the air conditioning load of each heat storage air conditioning system is directly predicted.
【００２２】請求項６の蓄熱空調システムにおける空調
負荷予測装置であれば、前記系統空調負荷算出手段とし
て、合計空調負荷に対応して既に設定されている空調負
荷按分比に基づいて各系統の空調負荷を算出するものを
採用するのであるから、請求項５の作用に加え、個別の
蓄熱空調系統の空調負荷を精度よく予測することができ
る。According to a sixth aspect of the present invention, there is provided an air conditioning load predicting device for a thermal storage air conditioning system, wherein the system air conditioning load calculating means performs air conditioning of each system based on an air conditioning load apportionment ratio already set corresponding to a total air conditioning load. Since the calculation of the load is employed, the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of the fifth aspect.
【００２３】請求項７の蓄熱空調システムにおける空調
負荷予測装置であれば、前記系統空調負荷算出手段とし
て、予測した合計空調負荷および互いに異なる時間帯に
おける空調負荷の比率に対応して既に設定されている空
調負荷按分比に基づいて各系統の空調負荷を算出するも
のを採用するのであるから、請求項５の作用に加え、個
別の蓄熱空調系統の空調負荷を精度よく予測することが
できる。In the air conditioning load prediction device for a thermal storage air conditioning system according to the present invention, the system air conditioning load calculation means is set in advance according to the predicted total air conditioning load and the ratio of the air conditioning load in different time zones. Since the air-conditioning load of each system is calculated based on the air-conditioning load apportionment ratio, the air-conditioning load of each heat storage air-conditioning system can be accurately predicted in addition to the effect of claim 5.
【００２４】請求項８の蓄熱空調システムにおける空調
負荷予測装置であれば、前記系統空調負荷算出手段とし
て、外気温熱環境情報に対応して既に設定されている空
調負荷按分比に基づいて各系統の空調負荷を算出するも
のを採用するのであるから、請求項５の作用に加え、個
別の蓄熱空調系統の空調負荷を精度よく予測することが
できる。In the air conditioning load predicting apparatus for a thermal storage air conditioning system according to the present invention, the system air conditioning load calculating means is configured to calculate the air conditioning load of each system based on the air conditioning load apportioning ratio already set corresponding to the outside temperature thermal environment information. Since the calculation of the air-conditioning load is adopted, the air-conditioning load of each heat storage air-conditioning system can be accurately predicted in addition to the effect of the fifth aspect.
【００２５】[0025]
【発明の実施の形態】以下、添付図面を参照して、この
発明の蓄熱空調システムにおける空調負荷予測方法およ
びその装置の実施の態様を詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a method and apparatus for predicting an air conditioning load in a heat storage air conditioning system according to the present invention will be described in detail with reference to the accompanying drawings.
【００２６】図１はこの発明の蓄熱空調システムにおけ
る空調負荷予測方法の一実施態様を説明するフローチャ
ートである。FIG. 1 is a flowchart illustrating an embodiment of a method for predicting an air conditioning load in a heat storage air conditioning system according to the present invention.
【００２７】ステップＳＰ１において、個々の蓄熱空調
系統の外気温熱データ、室内温熱データ、空調負荷デー
タを時刻別に収集し、ステップＳＰ２において、各空調
負荷を時刻別に合計することにより蓄熱空調システムの
合計空調負荷を算出し、ステップＳＰ３において、各空
調負荷と合計空調負荷とを用いて按分比を計算し、ステ
ップＳＰ４において、合計空調負荷に応じて按分比を保
存する。At step SP1, outside air temperature data, indoor heat data, and air conditioning load data of each thermal storage air conditioning system are collected at each time, and at step SP2, each air conditioning load is totaled at each time to obtain the total air conditioning of the thermal storage air conditioning system. The load is calculated, and in step SP3, the apportionment ratio is calculated using each air conditioning load and the total air conditioning load, and in step SP4, the apportionment ratio is stored according to the total air conditioning load.
【００２８】このステップＳＰ１からステップＳＰ４の
処理を反復することにより、図２に示す按分比テーブル
を完成させることができる。By repeating the processing from step SP1 to step SP4, the apportioning ratio table shown in FIG. 2 can be completed.
【００２９】次いで、ステップＳＰ５において、ニュー
ラルネットワークなどを用いて合計空調負荷と、外気温
熱データ、室内温熱データとの関係の学習を行わせる。Next, in step SP5, the learning of the relationship between the total air conditioning load, the outside air temperature data, and the indoor heating data is performed using a neural network or the like.
【００３０】その後は、ステップＳＰ６において、学習
が完了したニューラルネットワークなどを用い、外気温
熱データ（例えば、外気温熱データの予測値）、室内温
熱データ（例えば、室内温熱データの実測値）から翌日
の合計空調負荷を予測し、ステップＳＰ７において、予
測した合計空調負荷から該当する按分比を選択し、ステ
ップＳＰ８において、予測した合計空調負荷と選択した
按分比とを用いて個別の蓄熱空調系統の予測空調負荷を
算出する。Thereafter, in step SP6, using the neural network or the like for which learning has been completed, the outside day heat data (for example, the predicted value of the outside air heat data) and the room heat data (for example, the actually measured value of the room heat data) are used. The total air-conditioning load is predicted, and in step SP7, a corresponding apportionment ratio is selected from the predicted total air-conditioning load. Calculate the air conditioning load.
【００３１】以上のようにして個別の蓄熱空調系統の予
測空調負荷が算出されれば、この算出された予測空調負
荷に基づいて蓄熱ユニットを運転することにより、最適
の蓄熱空調システムの運転を行うことができる。When the predicted air conditioning load of the individual heat storage air conditioning system is calculated as described above, the optimum heat storage air conditioning system is operated by operating the heat storage unit based on the calculated predicted air conditioning load. be able to.
【００３２】さらに説明する。Further explanation will be given.
【００３３】このステップＳＰ１からステップＳＰ４の
処理を反復することにより、図２に示す按分比テーブル
を完成させることができる。そして、ステップＳＰ１か
らステップＳＰ５の処理を反復することにより、合計空
調負荷と、外気温熱データ、室内温熱データとの関係の
学習を達成することができる。By repeating the processing from step SP1 to step SP4, the proportional distribution table shown in FIG. 2 can be completed. By repeating the processing from step SP1 to step SP5, learning of the relationship between the total air conditioning load, the outside air temperature data, and the indoor heating data can be achieved.
【００３４】したがって、按分比テーブルが完成し、か
つ合計空調負荷と、外気温熱データ、室内温熱データと
の関係の学習が達成された後は、ステップＳＰ６以降の
処理を行うだけでよく、簡単に個別の蓄熱空調系統の空
調負荷の予測を行うことができる。ただし、按分比テー
ブル完成後も按分比テーブルを上書きして更新し、常に
最新の按分比を使用することが好ましい。Therefore, after the apportionment ratio table is completed and the learning of the relationship between the total air-conditioning load, the outside air temperature data, and the indoor heat data is achieved, it is only necessary to perform the processing from step SP6 onward. It is possible to predict the air conditioning load of an individual thermal storage air conditioning system. However, it is preferable that the apportioning ratio table is overwritten and updated even after the completion of the apportioning ratio table, so that the latest apportioning ratio is always used.
【００３５】次いで、按分比テーブルについて説明す
る。Next, the proportional distribution table will be described.
【００３６】空調負荷の変動要因には、電気機器や人体
などの熱源や部屋の広さなどの建物内部の影響と、外気
温、日射量などの建物外部の影響との２種類の要因があ
る。これらのうち、建物内部に起因する要因は比較的変
化が小さいのに対し、建物外部に起因する要因は日々変
動しており、その影響も大きい。There are two types of fluctuation factors of the air-conditioning load: effects inside the building such as a heat source such as electric equipment and a human body and the size of a room, and effects outside the building such as an outside temperature and a solar radiation. . Of these, the factors due to the interior of the building have relatively small changes, while the factors due to the exterior of the building vary daily and have a large effect.
【００３７】つまり、各部屋の空調負荷の変動は建物外
部負荷の変動に大きく起因する。逆に、建物外部の負荷
が一定ならば、各部屋の空調負荷も各々一定になり、そ
の按分比も一定になる。That is, the fluctuation of the air-conditioning load in each room largely depends on the fluctuation of the external load of the building. Conversely, if the load outside the building is constant, the air-conditioning load of each room is also constant, and the proportion is also constant.
【００３８】また、建物の外部から影響を受ける場合に
は、建物内の個々の空調ゾーンは、内側、北側、南側、
東側、西側、最上階側、１階側など、様々な場所に位置
しているので、影響の受け方も様々である。When affected by the outside of the building, the individual air-conditioning zones in the building are located inside, north, south,
Because it is located in various places, such as the east side, the west side, the top floor side, and the first floor side, it is affected in various ways.
【００３９】例えば、快晴時（高負荷時）、最上階や南
側は、１階や北側に比べ直射日光の影響を大きく受けて
室温が上昇し、空調負荷が大きくなる。そのため、負荷
の按分比は、最上階や南側は大きくなり、１階や北側は
小さくなる。For example, when the weather is fine (when the load is high), the top floor and the southern side are greatly affected by the direct sunlight and the room temperature rises as compared with the first floor and the northern side, and the air conditioning load increases. Therefore, the apportionment ratio of the load is large on the top floor and the south side, and small on the first floor and the north side.
【００４０】同様に、建物の窓側は内側に比べ外気温の
影響を多く受け、室温が変化し易く、逆に内側は変化し
にくい。Similarly, the window side of the building is more affected by the outside air temperature than the inside, so that the room temperature is easily changed, and conversely, the inside is hardly changed.
【００４１】以上のように、個々の空調ゾーンは、外気
温熱環境の影響の受け易さに差がある。As described above, the individual air-conditioning zones are different in the susceptibility to the influence of the outside air temperature environment.
【００４２】そして、外気温熱環境、すなわち全体とし
ての空調負荷が一定量増加しても、各空調ゾーンにおけ
る空調負荷の増加率はその位置毎に異なるので、合計空
調負荷に応じて按分比が変化することになる。Even if the outside air temperature environment, that is, the air conditioning load as a whole, increases by a certain amount, the rate of increase of the air conditioning load in each air conditioning zone differs for each position, so that the proportional ratio changes according to the total air conditioning load. Will do.
【００４３】具体的には、個別の蓄熱空調系統の空調負
荷データが３、７、５である場合には、按分比が３／１
５、７／１５、５／１５になり、個別の蓄熱空調系統の
空調負荷データが７、２５、１３である場合には、按分
比が７／４５、２５／４５、１３／４５になる。Specifically, when the air conditioning load data of the individual thermal storage air conditioning systems is 3, 7, and 5, the proportional division ratio is 3/1.
When the air conditioning load data of the individual heat storage air conditioning systems is 7, 25, and 13, the apportioning ratios are 7/45, 25/45, and 13/45.
【００４４】したがって、予測された合計空調負荷デー
タが４１である場合には、按分比７／４５、２５／４
５、１３／４５を用いて、個別の蓄熱空調系統の空調負
荷データを４１×７／４５、４１×２５／４５、４１×
１３／４５として算出することができる。Therefore, when the predicted total air-conditioning load data is 41, the apportioning ratio is 7/45, 25/4.
5, 13/45, the air-conditioning load data of the individual thermal storage air-conditioning system was calculated as 41 × 7/45, 41 × 25/45, 41 ×
13/45.
【００４５】この場合において、合計空調負荷が同じ範
囲であっても、午前空調負荷／午後空調負荷に依存して
按分比を保持することが好ましい（図３参照）。In this case, even if the total air conditioning load is in the same range, it is preferable to maintain the proportional ratio depending on the morning air conditioning load / afternoon air conditioning load (see FIG. 3).
【００４６】また、時刻別空調負荷は、毎日同じではな
く、その日の天気（気温）の影響を大きく受けて変化す
ることが知られている。そして、時刻別空調負荷が変化
すれば按分比も大きく変化するはずであるから、按分比
を、合計空調負荷のみならず天気に関連付けて蓄積し管
理することが好ましい。ここで、天気と空調負荷との関
係を整理すると概ね図４に示すとおりになり、空調負荷
の「合計空調負荷」と「午前空調負荷／午後空調負荷」
とがあれば、その日の天気を概ね特定することができ
る。It is also known that the air-conditioning load for each time is not the same every day, but changes greatly depending on the weather (temperature) on that day. Then, if the air-conditioning load at each time changes, the apportioning ratio should also change greatly. Therefore, it is preferable to accumulate and manage the apportioning ratio in association with not only the total air-conditioning load but also the weather. Here, the relationship between the weather and the air conditioning load is summarized as shown in FIG. 4, and the “total air conditioning load” and the “morning air conditioning load / afternoon air conditioning load” of the air conditioning loads are obtained.
If there is, the weather of the day can be generally specified.
【００４７】この場合には、「合計空調負荷」と「午前
空調負荷／午後空調負荷」とをそれぞれｎ、ｍ等分して
ｎ×ｍの２次元空間を定義し、按分比は、この２次元空
間内の位置情報と時刻情報とから格納アドレスを生成
し、格納アドレスに従って蓄積する（図５参照）。In this case, the “total air-conditioning load” and the “morning air-conditioning load / afternoon air-conditioning load” are equally divided into n and m, respectively, to define an n × m two-dimensional space. A storage address is generated from the position information and the time information in the dimensional space, and stored according to the storage address (see FIG. 5).
【００４８】格納された按分比を抽出する場合には、
「合計空調負荷」と「午前空調負荷／午後空調負荷」と
時刻情報とから該当する按分比の格納アドレスを生成
し、この格納アドレスを用いて按分比の抽出を行う（図
５参照）。この場合において、該当する按分比が格納さ
れていなければ、８つの近傍の値の平均値を用い、これ
らの近傍の値も格納されていなければ等分値を用いるこ
とが好ましい。To extract the stored apportionment ratio,
Based on the "total air-conditioning load", "morning air-conditioning load / afternoon air-conditioning load", and time information, a storage address of a corresponding apportionment ratio is generated, and the apportionment ratio is extracted using this storage address (see FIG. 5). In this case, it is preferable to use the average value of the eight neighboring values unless the corresponding apportionment ratio is stored, and to use the equal value if these neighboring values are not stored.
【００４９】以上には、空調負荷を用いて按分比を格納
するようにしているが、空調負荷に代えて外気温熱情報
（温度、不快指数、エンタルピーなど）を採用すること
もできる。そして、按分比を格納するに当たって、前回
の按分比と最新の按分比との荷重平均をとって格納する
ことが可能であるほか、最新の複数の按分比を格納する
ことが可能である。特に、後者の格納方法を採用する場
合には、これらの平均値を出力することが好ましい。In the above description, the apportioning ratio is stored using the air-conditioning load. However, instead of the air-conditioning load, outside temperature heat information (temperature, discomfort index, enthalpy, etc.) can be adopted. In storing the apportioning ratio, it is possible to store the weighted average of the previous apportioning ratio and the latest apportioning ratio, and to store a plurality of latest apportioning ratios. In particular, when the latter storage method is adopted, it is preferable to output an average value of these.
【００５０】また、ニューラルネットに代えて、カルマ
ンフィルター、指数平滑、その他の予測アルゴリズムな
どを用いて合計空調負荷の予測を行うこともできる。Further, the total air conditioning load can be predicted by using a Kalman filter, exponential smoothing, or another prediction algorithm instead of the neural network.
【００５１】図６はこの発明の蓄熱空調システムにおけ
る空調負荷予測装置の一実施態様を組み込んだ蓄熱空調
システムを示すブロック図である。FIG. 6 is a block diagram showing a heat storage air conditioning system incorporating one embodiment of the air conditioning load prediction device in the heat storage air conditioning system of the present invention.
【００５２】この空調負荷予測装置を組み込んだ蓄熱空
調システムは、複数の蓄熱空調系統（図には熱源のみを
示している）１と、室内温熱データを検出する室内温熱
データ検出部（例えば、温度センサ）２と、外気温熱デ
ータを検出する外気温熱データ検出部（例えば、温度セ
ンサ）３と、全ての蓄熱空調系統１の空調負荷、室内温
熱データ、および外気温熱データを計測する計測部４
と、計測部４から出力される計測データを入力として所
定のデータ処理（例えば、合計空調負荷の算出処理、按
分比の算出処理など）を行って按分比および予測用デー
タを出力するデータ処理部５と、算出された按分比を記
憶する按分比記憶部６と、算出された予測用データを記
憶する予測用データ記憶部７と、予測用データおよび翌
日の気象予報データを入力として合計空調負荷を予測す
る合計空調負荷予測部８と、予測された合計空調負荷を
入力として按分比記憶部６から読み出される按分比およ
び予測された合計空調負荷を入力として各蓄熱空調系統
の空調負荷を算出する系統空調負荷算出部９と、算出さ
れた各蓄熱空調系統の空調負荷に基づいて該当する蓄熱
空調系統１の熱源を制御する熱源制御部１０とを含んで
いる。The thermal storage air-conditioning system incorporating the air-conditioning load predicting apparatus includes a plurality of thermal storage air-conditioning systems (only heat sources are shown in the figure) 1 and an indoor thermal data detection unit (for example, a temperature detector) for detecting indoor thermal data. Sensor) 2, an outside temperature heat data detection unit (for example, a temperature sensor) 3 for detecting outside temperature heat data, and a measurement unit 4 for measuring the air conditioning load, indoor temperature data, and outside temperature heat data of all the heat storage air conditioning systems 1.
And a data processing unit that performs predetermined data processing (for example, calculation processing of a total air-conditioning load, calculation processing of an apportionment ratio, etc.) using measurement data output from the measurement unit 4 as input, and outputs apportionment ratio and prediction data. 5, an apportionment ratio storage unit 6 for storing the calculated apportionment ratio, a prediction data storage unit 7 for storing the calculated prediction data, and a total air conditioning load using the prediction data and the next day's weather forecast data as inputs. , And calculates the air conditioning load of each heat storage air conditioning system using the estimated total air conditioning load as an input and the apportioning ratio read from the apportioning ratio storage unit 6 and the predicted total air conditioning load as inputs. The system includes a system air conditioning load calculation unit 9 and a heat source control unit 10 that controls a heat source of the corresponding heat storage air conditioning system 1 based on the calculated air conditioning load of each heat storage air conditioning system.
【００５３】なお、各部の作用は上記のフローチャート
の各ステップの処理内容と同様であるから、詳細な説明
を省略する。The operation of each section is the same as the processing in each step of the above-mentioned flowchart, and a detailed description thereof will be omitted.
【００５４】したがって、上記の構成の蓄熱空調システ
ムを採用した場合には、合計空調負荷を予測するだけ
で、按分比を用いて簡単に、かつ正確に各蓄熱空調系統
の空調負荷を予測することができる。この結果、蓄熱空
調系統毎に空調負荷の予測を行う場合と比較して予測処
理を簡単化することができ、しかも各蓄熱空調系統の空
調負荷を正確に得ることができる。もちろん、各蓄熱空
調系統の空調負荷を得るまでの所要時間を大幅に短縮す
ることができる。Therefore, when the thermal storage air-conditioning system having the above configuration is employed, the air-conditioning load of each thermal storage air-conditioning system can be easily and accurately predicted using the proportional ratio only by predicting the total air-conditioning load. Can be. As a result, the prediction process can be simplified as compared with the case where the air conditioning load is predicted for each heat storage air conditioning system, and the air conditioning load of each heat storage air conditioning system can be accurately obtained. Of course, the time required for obtaining the air conditioning load of each heat storage air conditioning system can be greatly reduced.
【００５５】[0055]
【発明の効果】請求項１の発明は、個別の蓄熱空調系統
の空調負荷を直接に予測する場合と比較して、簡単な処
理で、短時間で個別の蓄熱空調系統の空調負荷を予測す
ることができるという特有の効果を奏する。According to the first aspect of the present invention, the air conditioning load of each heat storage air conditioning system is predicted in a short time with a simple process, compared with the case where the air conditioning load of each heat storage air conditioning system is directly predicted. It has a unique effect that it can be performed.
【００５６】請求項２の発明は、請求項１の効果に加
え、個別の蓄熱空調系統の空調負荷を精度よく予測する
ことができるという特有の効果を奏する。The invention of claim 2 has a unique effect that the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of claim 1.
【００５７】請求項３の発明は、請求項１の効果に加
え、個別の蓄熱空調系統の空調負荷を精度よく予測する
ことができるという特有の効果を奏する。The invention according to claim 3 has a unique effect that the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of claim 1.
【００５８】請求項４の発明は、請求項１の効果に加
え、個別の蓄熱空調系統の空調負荷を精度よく予測する
ことができるという特有の効果を奏する。The invention of claim 4 has a unique effect that the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of claim 1.
【００５９】請求項５の発明は、個別の蓄熱空調系統の
空調負荷を直接に予測する場合と比較して、簡単な処理
で、短時間で個別の蓄熱空調系統の空調負荷を予測する
ことができるという特有の効果を奏する。According to the fifth aspect of the present invention, it is possible to predict the air conditioning load of an individual heat storage air conditioning system in a short time with a simple process as compared with a case where the air conditioning load of an individual heat storage air conditioning system is directly predicted. It has the unique effect of being able to.
【００６０】請求項６の発明は、請求項５の効果に加
え、個別の蓄熱空調系統の空調負荷を精度よく予測する
ことができるという特有の効果を奏する。The invention of claim 6 has a unique effect that the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of claim 5.
【００６１】請求項７の発明は、請求項５の効果に加
え、個別の蓄熱空調系統の空調負荷を精度よく予測する
ことができるという特有の効果を奏する。The invention of claim 7 has a unique effect that the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of claim 5.
【００６２】請求項８の発明は、請求項５の効果に加
え、個別の蓄熱空調系統の空調負荷を精度よく予測する
ことができるという特有の効果を奏する。The invention of claim 8 has a unique effect that the air conditioning load of each heat storage air conditioning system can be accurately predicted in addition to the effect of claim 5.
【図１】この発明の蓄熱空調システムにおける空調負荷
予測方法の一実施態様を説明するフローチャートであ
る。FIG. 1 is a flowchart illustrating one embodiment of a method for predicting an air conditioning load in a heat storage air conditioning system according to the present invention.
【図２】按分比テーブルの一例を示す図である。FIG. 2 is a diagram showing an example of an apportioning ratio table.
【図３】按分比テーブルの他の例を示す図である。FIG. 3 is a diagram showing another example of the apportionment ratio table.
【図４】天気と空調負荷との関係を示す図である。FIG. 4 is a diagram showing a relationship between weather and air conditioning load.
【図５】按分比の格納、抽出を説明する図である。FIG. 5 is a diagram illustrating storage and extraction of a proportional distribution ratio.
【図６】この発明の蓄熱空調システムにおける空調負荷
予測装置の一実施態様を組み込んだ蓄熱空調システムを
示すブロック図である。FIG. 6 is a block diagram showing a heat storage air conditioning system incorporating one embodiment of an air conditioning load prediction device in the heat storage air conditioning system of the present invention.
１ 蓄熱空調系統 ８ 合計空調負荷予測部 ９ 系統空調負荷算出部 1 Thermal storage air conditioning system 8 Total air conditioning load prediction unit 9 System air conditioning load calculation unit
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐々木 能成 滋賀県草津市岡本町字大谷1000番地の２ ダイキン工業株式会社滋賀製作所内 (72)発明者 赤松 敏行 滋賀県草津市岡本町字大谷1000番地の２ ダイキン工業株式会社滋賀製作所内 (72)発明者 山口 一朗 滋賀県草津市岡本町字大谷1000番地の２ ダイキン工業株式会社滋賀製作所内 (72)発明者 長谷 健章 滋賀県草津市岡本町字大谷1000番地の２ ダイキン工業株式会社滋賀製作所内 Ｆターム(参考） 3L060 AA03 AA08 CC03 CC08 DD04 DD05 EE01 EE41 5H004 GA15 GA16 GA36 GB20 HB01 JA03 JA22 JB07 KC23 KD42 LA15 9A001 HH06 KK54 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor, Yoshinari Sasaki 1000 Oya, Okamoto-cho, Kusatsu-shi, Shiga 2 Daiga Industries Co., Ltd.Shiga Works (72) Inventor, Toshiyuki Akamatsu 1000 Oya, Okamoto-cho, Kusatsu-shi, Shiga 2 Daikin Industries, Ltd. Shiga Works (72) Inventor Ichiro Yamaguchi 1000 Daiya, Okamotocho, Kusatsu-shi, Shiga 2 Daikin Industries, Ltd. Shiga Works (72) Inventor Kensho Hase, Okamotocho, Kusatsu-shi, Shiga 1000, Otani 2 Daikin Industries, Ltd. Shiga Works F term (reference) 3L060 AA03 AA08 CC03 CC08 DD04 DD05 EE01 EE41 5H004 GA15 GA16 GA36 GB20 HB01 JA03 JA22 JB07 KC23 KD42 LA15 9A001 HH06 KK54
Claims (8)
空調系統を複数有する蓄熱空調システムにおいて、 蓄熱空調システム全体としての合計空調負荷を予測し、 予測した合計空調負荷から各系統の空調負荷を算出す
る、 ことを特徴とする蓄熱空調システムにおける空調負荷予
測方法。In a heat storage air conditioning system having a plurality of heat storage air conditioning systems including a heat storage unit and an air conditioner, a total air conditioning load of the entire heat storage air conditioning system is predicted, and an air conditioning load of each system is calculated from the predicted total air conditioning load. Calculating the air conditioning load in the thermal storage air conditioning system.
負荷を算出する処理は、合計空調負荷に対応して既に設
定されている空調負荷按分比に基づいて行う処理である
請求項１に記載の蓄熱空調システムにおける空調負荷予
測方法。2. The process according to claim 1, wherein the process of calculating the air conditioning load of each system from the predicted total air conditioning load is a process performed based on an air conditioning load apportionment ratio that is already set corresponding to the total air conditioning load. For predicting air conditioning load in thermal storage air conditioning systems.
負荷を算出する処理は、予測した合計空調負荷および互
いに異なる時間帯における空調負荷の比率に対応して既
に設定されている空調負荷按分比に基づいて行う処理で
ある請求項１に記載の蓄熱空調システムにおける空調負
荷予測方法。3. The process of calculating the air conditioning load of each system from the predicted total air conditioning load includes the air conditioning load apportioning ratio already set corresponding to the predicted total air conditioning load and the ratio of the air conditioning load in different time zones. The air conditioning load prediction method in the heat storage air conditioning system according to claim 1, wherein the processing is performed based on:
負荷を算出する処理は、外気温熱環境情報に対応して既
に設定されている空調負荷按分比に基づいて行う処理で
ある請求項１に記載の蓄熱空調システムにおける空調負
荷予測方法。4. The process for calculating the air conditioning load of each system from the predicted total air conditioning load is a process performed based on an air conditioning load apportioning ratio that has been set in advance in accordance with the outside air temperature and heat environment information. An air-conditioning load prediction method in the thermal storage air-conditioning system described in the above.
空調系統（１）を複数有する蓄熱空調システムにおい
て、 蓄熱空調システム全体としての合計空調負荷を予測する
合計空調負荷予測手段（８）と、 予測した合計空調負荷から各系統の空調負荷を算出する
系統空調負荷算出手段（９）と、 を含むことを特徴とする蓄熱空調システムにおける空調
負荷予測装置。5. A heat storage air conditioning system having a plurality of heat storage air conditioning systems (1) including a heat storage unit and an air conditioner, a total air conditioning load prediction means (8) for predicting a total air conditioning load of the entire heat storage air conditioning system. And a system air-conditioning load calculating means (9) for calculating an air-conditioning load of each system from the predicted total air-conditioning load.
計空調負荷に対応して既に設定されている空調負荷按分
比に基づいて各系統の空調負荷を算出するものである請
求項５に記載の蓄熱空調システムにおける空調負荷予測
装置。6. The air-conditioning load calculating means (9) for calculating an air-conditioning load of each system based on an air-conditioning load apportioning ratio which is already set corresponding to a total air-conditioning load. An air conditioning load prediction device in the thermal storage air conditioning system according to claim 1.
測した合計空調負荷および互いに異なる時間帯における
空調負荷の比率に対応して既に設定されている空調負荷
按分比に基づいて各系統の空調負荷を算出するものであ
る請求項５に記載の蓄熱空調システムにおける空調負荷
予測装置。7. The system air-conditioning load calculating means (9) calculates the air-conditioning load apportionment ratio of each system based on the predicted total air-conditioning load and the air-conditioning load apportionment ratio already set corresponding to the air-conditioning load ratio in different time zones. The air-conditioning load prediction device in the heat storage air-conditioning system according to claim 5, wherein the air-conditioning load is calculated.
気温熱環境情報に対応して既に設定されている空調負荷
按分比に基づいて各系統の空調負荷を算出するものであ
る請求項５に記載の蓄熱空調システムにおける空調負荷
予測装置。8. The system air-conditioning load calculating means (9) calculates an air-conditioning load of each system based on an air-conditioning load apportionment ratio which has been set in advance in accordance with outside temperature and heat environment information. An air-conditioning load predicting device in the heat storage air-conditioning system according to Claim 1.
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| JP2000043601A JP4356175B2 (en) | 2000-02-16 | 2000-02-16 | Air conditioning load prediction method and apparatus in heat storage air conditioning system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082642A (en) * | 2006-09-28 | 2008-04-10 | Shimizu Corp | Control device and control method of heat storage tank heat source system |
| JP2008082641A (en) * | 2006-09-28 | 2008-04-10 | Shimizu Corp | Control device and control method of heat storage tank heat source system |
| JP2011112322A (en) * | 2009-11-30 | 2011-06-09 | Yamatake Corp | Air conditioning load estimating device and air conditioning load estimating method |
| JP2011144999A (en) * | 2010-01-14 | 2011-07-28 | Mitsubishi Electric Building Techno Service Co Ltd | Air conditioning energy use amount prorating system |
| JP2020060337A (en) * | 2018-10-11 | 2020-04-16 | 三菱重工サーマルシステムズ株式会社 | Power consumption calculation device, air conditioning system, power consumption calculation method, and program |
-
2000
- 2000-02-16 JP JP2000043601A patent/JP4356175B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082642A (en) * | 2006-09-28 | 2008-04-10 | Shimizu Corp | Control device and control method of heat storage tank heat source system |
| JP2008082641A (en) * | 2006-09-28 | 2008-04-10 | Shimizu Corp | Control device and control method of heat storage tank heat source system |
| JP2011112322A (en) * | 2009-11-30 | 2011-06-09 | Yamatake Corp | Air conditioning load estimating device and air conditioning load estimating method |
| JP2011144999A (en) * | 2010-01-14 | 2011-07-28 | Mitsubishi Electric Building Techno Service Co Ltd | Air conditioning energy use amount prorating system |
| JP2020060337A (en) * | 2018-10-11 | 2020-04-16 | 三菱重工サーマルシステムズ株式会社 | Power consumption calculation device, air conditioning system, power consumption calculation method, and program |
| JP7281265B2 (en) | 2018-10-11 | 2023-05-25 | 三菱重工サーマルシステムズ株式会社 | Power Consumption Calculation Device, Air Conditioning System, Power Consumption Calculation Method and Program |
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