JPH0835706A - Air conditioning heat load predicting system - Google Patents
Air conditioning heat load predicting systemInfo
- Publication number
- JPH0835706A JPH0835706A JP19118594A JP19118594A JPH0835706A JP H0835706 A JPH0835706 A JP H0835706A JP 19118594 A JP19118594 A JP 19118594A JP 19118594 A JP19118594 A JP 19118594A JP H0835706 A JPH0835706 A JP H0835706A
- Authority
- JP
- Japan
- Prior art keywords
- heat load
- air conditioning
- conditioning heat
- prediction
- building
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 69
- 230000007613 environmental effect Effects 0.000 claims abstract description 12
- 230000006870 function Effects 0.000 claims abstract description 8
- 238000013528 artificial neural network Methods 0.000 claims abstract description 7
- 238000004088 simulation Methods 0.000 claims abstract description 6
- 238000005338 heat storage Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013480 data collection Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/10—Weather information or forecasts
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Temperature (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、建築物の空調熱負荷予
測システムに係わり、特に、ニューラルネットワーク
(以下、N.N.と略記する)を用いて、室内及び外気
の温度・湿度などの当日環境要素と、翌日の予測温度・
湿度などの翌日環境要素の予測値とから、該建築物の空
調熱負荷を予測する空調熱負荷予測システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building air-conditioning heat load prediction system, and in particular, it uses a neural network (hereinafter abbreviated as NN) to detect the temperature and humidity of indoor and outdoor air. Environmental factors of the day and predicted temperature of the next day
The present invention relates to an air conditioning heat load prediction system that predicts an air conditioning heat load of the building from a predicted value of a next-day environmental element such as humidity.
【0002】[0002]
【従来の技術】図3は、従来例に関する建築物の蓄熱式
空調設備手段の冷房時の概要を示す概要図である。図3
において、熱をためる蓄熱槽80は、建築物のスラブな
どを利用して据え付けられる。蓄熱槽80内の水は、1
次ポンプ84により、1次配管入口側86を経由して冷
凍機82、82などの熱源機器を用いて作られる冷水と
され、1次配管出口側88を経由して、この蓄熱槽80
の低温部92近傍に蓄えられる。その後、2次ポンプ9
0を介して、2次配管入口側94を経由して空調機9
6、96、96に供給される。空調機96を経由して温
まった水は、2次配管出口側を経由して、蓄熱槽80内
の高温部100近傍に出力する。建築物の冷房に用いる
冷水は、このように、1次配管系は、高温部100を始
点とし、低温部92にもどるサイクルで、また2次配管
系は、低温部92を始点とし、高温部100にもどるサ
イクルで、すべて蓄熱槽80を経由して供給され、暖房
時は蓄熱槽の低温部と高温部を逆転させて供給される。
このような蓄熱式空調設備方式は、料金が安い深夜電力
を利用して夜間に冷(温)水を作っておき、翌日の空調
熱負荷に対応することにより、空調ランニングエネルギ
ーの削減を図る目的で設置されるケースが多い。このた
め翌日の空調熱負荷を予測することは過不足のない蓄熱
を行う上で、近年重要となりつつある。2. Description of the Related Art FIG. 3 is a schematic diagram showing an outline of a conventional heat storage type air conditioning facility for a building during cooling. FIG.
In, the heat storage tank 80 for storing heat is installed by using a slab of a building or the like. The water in the heat storage tank 80 is 1
By the secondary pump 84, cold water produced using heat source equipment such as the refrigerators 82, 82 is passed through the primary pipe inlet side 86, and the heat storage tank 80 is passed through the primary pipe outlet side 88.
It is stored in the vicinity of the low temperature part 92. After that, the secondary pump 9
0 through the secondary pipe inlet side 94 through the air conditioner 9
6, 96, 96. The water heated via the air conditioner 96 is output to the vicinity of the high temperature part 100 in the heat storage tank 80 via the outlet side of the secondary pipe. As described above, the cold water used for cooling the building has a cycle in which the primary piping system starts from the high temperature section 100 and returns to the low temperature section 92, and the secondary piping system starts from the low temperature section 92 and the high temperature section. In the cycle of returning to 100, all are supplied via the heat storage tank 80, and during heating, the low temperature part and the high temperature part of the heat storage tank are reversed and supplied.
This heat storage type air conditioning system aims to reduce air conditioning running energy by preparing cold (warm) water at night by using late-night electric power, which is cheap, and responding to the air conditioning heat load of the next day. It is often installed in. For this reason, predicting the air-conditioning heat load of the next day has become important in recent years in order to store heat just enough.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、この種
従来例の蓄熱式空調設備方式の運転は、設備を運用する
オペレータの勘と経験に負うことが多く、蓄熱量が空調
熱負荷に対して足りなくなると、熱源機器を追いかけ運
転させる必要が生じるため、必要以上に蓄熱を行うケー
スが多く、空調ランニングエネルギーの削減という蓄熱
式空調設備方式の特徴を十分に生かせないという問題点
があった。However, the operation of the heat storage type air conditioning equipment system of this type of conventional example is often dependent on the intuition and experience of the operator who operates the equipment, and the heat storage amount is insufficient for the air conditioning heat load. When it disappears, it is necessary to chase and operate the heat source device, so that heat is often stored more than necessary, and there is a problem that the feature of the heat storage type air conditioning equipment system of reducing air conditioning running energy cannot be fully utilized.
【0004】また種々提案されている予測手法において
は、実測データが多量に必要であったり、実際の建築物
の特性が加味されないため、誤差が大きいという問題点
があった。本発明は、このような事情に鑑みてなされた
もので、蓄熱式空調設備方式の適性な運転を支援するた
めの空調熱負荷量を適切に予測する空調熱負荷予測シス
テムを提供することを目的とする。Further, the various proposed prediction methods have a problem that a large amount of actual measurement data is required and the characteristics of an actual building are not taken into consideration, so that the error is large. The present invention has been made in view of such circumstances, and an object thereof is to provide an air conditioning heat load prediction system that appropriately predicts an air conditioning heat load amount for supporting proper operation of a heat storage type air conditioning facility system. And
【0005】[0005]
【課題を解決するための手段】本発明は前記目的を達成
するために、蓄熱式空調設備方式の建築物における温湿
度等の環境要素データを検知するセンサー部と、気象予
測データを収集する収集部と、前記建築物に対して翌日
の蓄熱量指標を与えるために前記環境要素データと前記
気象予測データとを処理して前記建築物の空調熱負荷を
予測する処理部と、を備えた空調熱負荷予測システムに
おいて、前記処理部は、前記環境要素データと前記建築
物に対する空調熱負荷のパターンとから、学習機能を有
するニューラルネットワークを用いて、暫定的予測モデ
ルを作成する暫定モデル作成モジュールと、空調熱負荷
予測値と熱負荷実績値との比較誤差に基づいて、ニュー
ラルネットワークの学習機能を用いて予測モデルを逐次
修正して前記空調熱負荷を予測する熱負荷予想モジュー
ルと、から成ることを特徴としている。In order to achieve the above object, the present invention provides a sensor unit for detecting environmental element data such as temperature and humidity in a building of a heat storage type air conditioning system, and a collecting unit for collecting weather forecast data. And a processing unit that processes the environmental element data and the weather prediction data to give a heat storage index of the next day to the building and predicts an air conditioning heat load of the building. In the heat load prediction system, the processing unit uses a neural network having a learning function from the environmental element data and the pattern of the air conditioning heat load for the building, and a provisional model creation module that creates a provisional prediction model. , Based on the comparison error between the air-conditioning heat load predicted value and the actual heat load value, the prediction function is sequentially corrected by using the learning function of the neural network. It is characterized with the thermal load forecast module for predicting the load, in that it consists of.
【0006】[0006]
【作用】本発明によれば、過去の観測データあるいはシ
ミュレーションデータにより作成される暫定予測モデル
を基に、前日算出した空調熱負荷予測値と、当日の熱負
荷実績値との比較誤差に基づいてN.N.の学習機能を
用いて、予測モデルを逐次修正することにより、自動的
に対象建築物の特性が加味された予測モデルが生成され
る作用がある。According to the present invention, based on the provisional prediction model created by past observation data or simulation data, based on the comparison error between the air conditioning heat load predicted value calculated the day before and the heat load actual value of the day. N. N. There is an effect that a prediction model in which the characteristics of the target building are automatically added is generated by successively correcting the prediction model using the learning function of.
【0007】[0007]
【実施例】以下、図を参照してこの発明の一実施例の空
調熱負荷予測システムを説明する。図1は、この発明の
実施例に係わる建築物の空調熱負荷予測システムを実現
する装置の構成を示すブロック図である。図2は、この
発明の実施例に係わる空調熱負荷予測システムの運用手
順を示すフローチャートである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An air conditioning heat load prediction system according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an apparatus that realizes a building air conditioning heat load prediction system according to an embodiment of the present invention. FIG. 2 is a flowchart showing an operating procedure of the air conditioning heat load prediction system according to the embodiment of the present invention.
【0008】図1において、空調熱負荷予測装置は、当
日環境要素を計測するためのセンサ部2と、翌日気象要
素を収集するための気象予測データ収集部4と、センサ
部2から信号ケーブル6、6を介して送信される当日環
境要素データと、気象予測データ収集部4から信号ケー
ブル8を介して送信される翌日気象要素データと、を入
力して翌日の空調熱負荷予測値を出力するメインCPU
10、及び、空調熱負荷予測値を表示する空調熱負荷予
測値表示部12とから構成されている。センサ部2では
代表室の室内温度センサ14、代表室の室内湿度センサ
16、外気温度センサ18、外気湿度センサ20、及び
日射量センサ22を用いてそれぞれ代表室の室内温度、
代表室の室内湿度、外気温度、外気湿度、及び、当日の
日射量を計測する。気象で収集部4は、外気気象予測デ
ータベース24にオンライン25でアクセス可能であ
り、翌日の予測最高温度データ21、予測最低温度デー
タ28、予測最大湿度データ30、及び、予測最小湿度
データ32を自動的に収集する。In FIG. 1, the air-conditioning heat load predicting apparatus includes a sensor unit 2 for measuring environmental elements on the day, a weather forecast data collecting unit 4 for collecting the next-day weather elements, and a signal cable 6 from the sensor unit 2. , 6 and the next day's weather element data transmitted from the weather prediction data collection unit 4 via the signal cable 8 are input to output the air conditioning heat load prediction value of the next day. Main CPU
10 and an air conditioning heat load predicted value display unit 12 that displays the air conditioning heat load predicted value. The sensor unit 2 uses an indoor temperature sensor 14 in the representative room, an indoor humidity sensor 16 in the representative room, an outside air temperature sensor 18, an outside air humidity sensor 20, and a solar radiation sensor 22, respectively.
Measure the indoor humidity of the representative room, the outside air temperature, the outside air humidity, and the amount of solar radiation on the day. In the weather, the collection unit 4 can access the outside air weather prediction database 24 online 25, and automatically calculates the predicted maximum temperature data 21, predicted minimum temperature data 28, predicted maximum humidity data 30, and predicted minimum humidity data 32 of the next day. Collect.
【0009】メインCPU10では、センサ部2で計測
される当日環境要素データと、気象予測データ収集部4
で収集される翌日気象要素データとを、必要に応じて取
り込み、内部に保有する特異日を含む曜日に関するデー
タを加味して処理し、蓄熱運転が開始される以前(通常
午後10時以前)に、翌日の空調熱負荷予測値を出力す
る。この予測値は設備運用オペレータを支援すべく、空
調熱負荷予測値表示部12に、メインCPU10から結
果信号が出力して表示される。In the main CPU 10, the environmental element data of the day measured by the sensor unit 2 and the weather forecast data collecting unit 4
Before the heat storage operation is started (usually before 10:00 pm), the next day meteorological element data collected in step 1 is taken in as necessary, and is processed with the data regarding the day of the week including the singular day held internally. , Outputs the predicted air conditioning heat load for the next day. This predicted value is displayed as a result signal output from the main CPU 10 on the air conditioning heat load predicted value display unit 12 to assist the equipment operation operator.
【0010】次にこの発明の一実施例に係わる空調熱負
荷予測システムの運用手順について、図2を参照して説
明する。本実施例では、建築物が新築の場合や、既存存
建築物であっても過去のデータ入手が困難な場合を説明
する。運用が開始されると(ステップ33)、暫定モデ
ル作成モジュール35を実施され、事前検討として、対
象建築物に対して標準気象データベース34を用いて空
調熱負荷シミュレーション36を行う。そして、熱負荷
予測用N.N.38の出力値40と、対象建築物空調熱
負荷シミュレーション信号42との比較誤差に応じて、
空調熱負荷予測値の誤差が一定値以下となるように、熱
負荷予測用N.N.19のチューニングを行い(ステッ
プ44)、熱負荷予測用N.N.暫定モデルを作成す
る。ステップ46で実用に供すると判定した場合、一定
の時間ループに従って、以下の操作を繰り返す。ステッ
プ46で実用に供しないと判定した場合は、スタートス
テップ33にもどり、暫定モデル作成モジュール35の
全手順が繰り返される。Next, an operation procedure of the air conditioning heat load prediction system according to the embodiment of the present invention will be described with reference to FIG. In this embodiment, a case where a building is a new construction or a case where it is difficult to obtain past data even for an existing building will be described. When the operation is started (step 33), the provisional model creation module 35 is implemented, and as a preliminary examination, an air conditioning heat load simulation 36 is performed on the target building using the standard weather database 34. And N. N. According to the comparison error between the output value 40 of 38 and the target building air conditioning heat load simulation signal 42,
The N.V. for heat load prediction is set so that the error of the air-conditioning heat load prediction value becomes a certain value or less. N. 19 is tuned (step 44), and N. N. Create a temporary model. When it is determined in step 46 that the device is put to practical use, the following operation is repeated according to a fixed time loop. If it is determined in step 46 that it will not be put to practical use, the process returns to start step 33, and the entire procedure of the provisional model creation module 35 is repeated.
【0011】運用当初は、モジュール35で作成された
学習機能を有するN.N.暫定モデルを用いて、図1に
示すセンサ部2から送信される当日環境要素データと、
気象予測データ収集部4から送信される翌日気象要素デ
ータと、内部に保有する曜日(含む特異日)データとか
ら、翌日の空調熱負荷予測値を算出する(ステップ5
0)。さらに、次の日に判明する空調熱負荷実績値54
とこの空調熱負荷予測値52とを比較し、比較誤差に応
じて重み修正し(ステップ56)、熱負荷予測(ステッ
プ48)で使用するN.N.に追加学習させて更新し、
次回の時間ループ58での適用モデルとする。このよう
な学習機能を用いてN.N.の、予測モデルを逐次修正
する。従って、時間ループ58が繰り返されることによ
り、対象建築物の特性が加味された空調熱負荷予測モデ
ルが、自動的に生成される。At the beginning of operation, the N.V. N. Using the provisional model, the same day environmental element data transmitted from the sensor unit 2 shown in FIG. 1,
An air-conditioning heat load prediction value for the next day is calculated from the next-day weather element data transmitted from the weather prediction data collection unit 4 and the day of the week (including a peculiar day) data internally stored (step 5).
0). Furthermore, the air conditioning heat load actual value 54 found on the next day
And the air-conditioning heat load predicted value 52 are compared, the weight is corrected according to the comparison error (step 56), and the N.V. N. To make additional learning and update,
The model is applied in the next time loop 58. Using such a learning function, N. N. , The prediction model is sequentially modified. Therefore, by repeating the time loop 58, the air-conditioning heat load prediction model to which the characteristics of the target building are added is automatically generated.
【0012】以上示した手順によって、実測データが充
分に得られない場合にも、空調熱負荷予測システムが構
築可能で、実際の建築物の特性を加味して空調熱負荷を
予測することのできる空調熱負荷予測システムを提供す
ることができる。なお、本発明は前述した実施例に限定
されるものではなく、収集する翌日気象予測データは、
特に図1に示す外部気象予測データベース24から得る
必要はない。この空調熱負荷予測システム内に、別途用
意する気象予測システムから供給しても良い。By the procedure described above, an air conditioning heat load prediction system can be constructed even when sufficient actual measurement data cannot be obtained, and the air conditioning heat load can be predicted in consideration of the characteristics of the actual building. An air conditioning heat load prediction system can be provided. The present invention is not limited to the above-described embodiment, and the next-day weather forecast data to be collected is:
In particular, it is not necessary to obtain it from the external weather forecast database 24 shown in FIG. It may be supplied from a separately prepared weather forecast system into this air conditioning heat load forecast system.
【0013】また、図2に示す熱負荷予測用N.N.3
8の入力項目は、建築物の運用特性に応じて、内部機器
の稼働率や人員の変動情報データを加えても良い。さら
に事前検討時に、空調熱負荷予測値の誤差が一定値以下
となるように項目の組合せを変えても良い。Further, the N.V. for heat load prediction shown in FIG. N. Three
The input items of 8 may include the operating rate of the internal equipment and the fluctuation information data of the personnel according to the operational characteristics of the building. Further, at the time of preliminary examination, the combination of items may be changed so that the error of the predicted air-conditioning heat load value becomes a certain value or less.
【0014】[0014]
【発明の効果】本発明の空調熱負荷予測システムによれ
ば、実際の建築物の特性を考慮した空調熱負荷予測が高
精度で行うことができる。また、蓄熱式空調設備の運転
の際、オペレータの勘と経験に負うことによる夜間蓄熱
量のバラツキを低減することができる。従って、蓄熱式
空調設備方式の本来のメリットである空調ランニングエ
ネルギーの削減を一層達成できる効果がある。According to the air conditioning heat load prediction system of the present invention, it is possible to accurately predict the air conditioning heat load in consideration of the actual characteristics of the building. Further, it is possible to reduce variations in the amount of night heat storage due to the operator's intuition and experience when operating the heat storage type air conditioning equipment. Therefore, there is an effect that it is possible to further reduce the air-conditioning running energy, which is the original merit of the heat storage type air-conditioning system.
【図1】本発明建築物の空調熱負荷予測システムを実現
する装置の構成を示すブロック図FIG. 1 is a block diagram showing a configuration of an apparatus that realizes an air conditioning heat load prediction system for a building of the present invention.
【図2】本発明に係わる空調熱負荷予測システムの運用
手順を示すフローチャートFIG. 2 is a flowchart showing an operation procedure of the air conditioning heat load prediction system according to the present invention.
【図3】従来の蓄熱式空調設備の概要を示す概要図FIG. 3 is a schematic diagram showing an overview of a conventional heat storage type air conditioning equipment.
2…センサ部 4…気象予測データ収集部 10…メインCPU 12…空調熱負荷予測値表示部 2 ... Sensor unit 4 ... Weather forecast data collection unit 10 ... Main CPU 12 ... Air conditioning heat load forecast value display unit
Claims (3)
湿度等の環境要素データを検知するセンサー部と、気象
予測データを収集する収集部と、前記建築物に対して翌
日の蓄熱量指標を与えるために前記環境要素データと前
記気象予測データとを処理して前記建築物の空調熱負荷
を予測する処理部と、を備えた空調熱負荷予測システム
において、 前記処理部は、前記環境要素データと前記建築物に対す
る空調熱負荷のパターンとから、学習機能を有するニュ
ーラルネットワークを用いて、暫定的予測モデルを作成
する暫定モデル作成モジュールと、空調熱負荷予測値と
熱負荷実績値との比較誤差に基づいて、ニューラルネッ
トワークの学習機能を用いて予測モデルを逐次修正して
前記空調熱負荷を予測する熱負荷予想モジュールと、か
ら成ることを特徴とする空調熱負荷予測システム。1. A sensor unit for detecting environmental element data such as temperature and humidity in a building of a heat storage type air conditioning system, a collection unit for collecting weather forecast data, and a heat storage index of the next day for the building. In an air conditioning heat load prediction system including a processing unit that processes the environmental element data and the weather prediction data to give a prediction of the air conditioning heat load of the building, the processing unit is the environmental element data. From the pattern of the air conditioning heat load on the building and the building, using a neural network having a learning function, a provisional model creation module that creates a provisional prediction model, and a comparison error between the air conditioning heat load prediction value and the heat load actual value. A heat load prediction module for predicting the air conditioning heat load by sequentially modifying a prediction model using a learning function of a neural network based on Air conditioning heat load prediction system, characterized and.
した空調熱負荷シミュレーションによって作成すること
を特徴とする請求項1の空調熱負荷予測システム。2. The air conditioning heat load prediction system according to claim 1, wherein the provisional prediction model is created by an air conditioning heat load simulation for the building.
ベースからオンラインで収集することを特徴とする請求
項1の空調熱負荷予測システム。3. The air conditioning heat load prediction system according to claim 1, wherein the weather prediction data is collected online from a weather information database.
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JP6191185A JP2953317B2 (en) | 1994-07-21 | 1994-07-21 | Air conditioning heat load prediction system |
Applications Claiming Priority (1)
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JP6191185A JP2953317B2 (en) | 1994-07-21 | 1994-07-21 | Air conditioning heat load prediction system |
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JPH0835706A true JPH0835706A (en) | 1996-02-06 |
JP2953317B2 JP2953317B2 (en) | 1999-09-27 |
Family
ID=16270321
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JP6191185A Expired - Fee Related JP2953317B2 (en) | 1994-07-21 | 1994-07-21 | Air conditioning heat load prediction system |
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JPH09273795A (en) * | 1996-04-01 | 1997-10-21 | Tokyo Electric Power Co Inc:The | Thermal load estimating device |
JPH10326294A (en) * | 1997-05-23 | 1998-12-08 | Matsushita Electric Ind Co Ltd | Device for preparing input data for environment analysis simulation |
EP1134508A3 (en) * | 2000-03-17 | 2002-07-24 | Markus Werner | Air-conditioning control method for a weather dependent building or installation area |
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