JPS599440A - Control of heat source equipment - Google Patents
Control of heat source equipmentInfo
- Publication number
- JPS599440A JPS599440A JP57119017A JP11901782A JPS599440A JP S599440 A JPS599440 A JP S599440A JP 57119017 A JP57119017 A JP 57119017A JP 11901782 A JP11901782 A JP 11901782A JP S599440 A JPS599440 A JP S599440A
- Authority
- JP
- Japan
- Prior art keywords
- heat source
- refrigerators
- capacity
- load
- forced
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
【発明の詳細な説明】
本発明け、冷凍機、ボイラ等の熱源機器の運転台数を切
替える際、熱源機器の能力を制御する方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for controlling the capacity of heat source devices such as refrigerators and boilers when switching the number of heat source devices in operation.
従来、複数台の熱源機器を設けたうえ、空調負荷量に応
じて運転台数を切替える際にけ、運転を継続する熱源機
器は定常的な自動制御のま＼とし、新規に運転される熱
源機器は、あらかじめ定格によって定められる始動負荷
率によ〕能力を設定のうえ、これを一定時間の期間継続
してから自動制御へ移行するものとなっておシ、新規に
運転される熱源機器の能力が切替え後における空Ｗ＠負
荷量と無関係に足められるため、各熱源機器の全能力と
実際の９訓負荷１・との間に懸隔を住じ、切替えの過渡
時において制御系の動作が不安定となシ、冷暖房に過不
足を来す欠点が生ずるものとなっている。Conventionally, when multiple heat source devices were installed and the number of units in operation was changed according to the air conditioning load, the heat source devices that continued to operate were left under constant automatic control, and the newly operated heat source devices were The capacity is set according to the starting load factor determined in advance by the rating, and this is continued for a certain period of time before transitioning to automatic control. is added regardless of the amount of empty W @ load after switching, so there is a gap between the full capacity of each heat source device and the actual load 1, and the operation of the control system is affected during the transition of switching. The disadvantages are that the system is unstable and there is an excess or deficiency in heating and cooling.
本発明は、従来のか＼る欠点を根本的に解消する目的を
有し、熱源機器の運転台数を切替える際、運転を１続す
る勲・源機器の能力を、この際の空調負荷量と切替え徒
において運転される各熱源機器の全容量との比によって
定められる強制負荷率へ一定時間の期間設定すると共に
、新規Ｋａ！転される熱源機器の能力を、一定時間より
少ない所定時間の期間始動負荷率へ設定のうえ、これか
ら一定時間を経過する１での期間を強制負荷率へ設定す
ることによシ、運転台数の切替え時において制御系の動
作を安定に維持するものとした極めて効果的々、熱源機
器の制御方法を提供するものである。The present invention has the purpose of fundamentally eliminating the drawbacks of the conventional heat source equipment, and when switching the number of operating heat source equipment, the ability of the heat source equipment to continue operation is changed to the air conditioning load at this time. In addition to setting a forced load rate for a certain period of time determined by the ratio of the total capacity of each heat source device to the total capacity of each heat source device that is being operated, a new Ka! By setting the capacity of the heat source equipment to be switched to the starting load factor for a predetermined period of time that is less than a certain time, and then setting the capacity of the heat source equipment to be the forced load factor for the period 1 after which a certain period of time has elapsed, the number of units in operation can be reduced. The present invention provides a highly effective control method for heat source equipment that maintains stable operation of the control system during switching.
以下、実施例を示す図によって本発明の詳細な説明する
。Hereinafter, the present invention will be explained in detail with reference to figures showing examples.
第１図は、熱源機器として冷凍機を用いた場合の計装図
であり、冷凍機Ｒ１〜Ｒ３によシ冷却された冷水は、ポ
ンプＰ１〜ｐ、によシ圧送され、ヘッダＨ０を介してフ
ァンコイルユニット等の空調負荷＆Ｌへ供給されたうえ
、ヘッダＨｔを介して冷凍ＷｉＲｓ〜Ｒ１へ還流し、こ
れを反りするものとなっており、冷凍機Ｂ１〜Ｒ，は、
マイクロプロセッサおよびメモリ尋を有する制御器０Ｏ
Ｎにより、起動、停止および能力を定めるベーン開度等
が各個に制御されるものとなっている。FIG. 1 is an instrumentation diagram when a refrigerator is used as a heat source device. Cold water cooled by refrigerators R1 to R3 is pumped by pumps P1 to P, and is sent through a header H0. It is supplied to the air conditioning load &L such as a fan coil unit, and is also returned to the refrigerator WiRs~R1 via the header Ht, and is warped.The refrigerators B1~R,
Controller 0O with microprocessor and memory
Starting, stopping, and the vane opening degree that determines the capacity are individually controlled by N.
また、冷凍機Ｒ１”’−Ｒ１にはスティタス・スイッチ
８１〜８３が各個に設けてあシ、これらの出力に基づき
冷凍機Ｒ１〜Ｒ１の運転状況を制御器０ＯＮが確認する
ものと々っている。In addition, status switches 81 to 83 are installed in each of the refrigerators R1''-R1, and the controller 0ON checks the operating status of the refrigerators R1 to R1 based on the outputs of these switches. There is.
なお、ヘッダＨ１からの給水温度を温度センサＴｌによ
り検出すると共に、給水量を汁・絹針Ｆによシ検出し、
給水の熱電を制御器０ＯＮが求めている一方、ヘッダＨ
！への還水温度を湯度センサＴ。In addition, the temperature of the water supplied from the header H1 is detected by the temperature sensor Tl, and the amount of water supplied is detected by the juice/silk needle F.
While the controller 0ON is requesting thermoelectricity of the water supply, the header H
! The temperature of the return water to the hot water temperature sensor T.
によシ検出し、流量計Ｆの検出々力とによシ還水の熱量
を求め、給水と遣水との熱量差によシ空調負荷量を判断
のうえ、こねに応じて冷凍機Ｒ１〜Ｒ８の運転台数およ
びベーン開度を制御している。Detect the heat, calculate the calorific value of the return water based on the power detected by the flowmeter F, and determine the air conditioning load based on the difference in calorific value between the supplied water and the supplied water. It controls the number of R8s in operation and the degree of vane opening.
たソし、冷凍機Ｒ１〜Ｒ８の運転台数を切替える際は、
この際の９請負荷量と、切替え稜において運転される冷
凍機の全容量との比たより定められる強制負荷率を制御
器０ＯＮが次式の演算によシ求め、この強制負荷率に応
じてベーン開度を制御するものとなっている。When switching the number of operating refrigerators R1 to R8,
The controller 0ON calculates the forced load factor determined by the ratio of the 9 contracted load amount at this time and the total capacity of the chiller operated at the switching edge using the following formula, and calculates the forced load factor according to this forced load factor. It controls the vane opening.
たソし、Ｌａは求める強制負荷率、Ｌは空調負荷量、Ｌ
ｒＸ−Ｌｒ１は冷凍機Ｒ８〜Ｒｓの各冷凍容量、８ｓ、
〜８＝３は、スティタス・スイッチ８鳳〜８ｍが運転中
を示すとき％１１１となシ、停止中を示すときに１０〃
となる係数である。La is the required forced load rate, L is the air conditioning load amount, L
rX-Lr1 is each refrigeration capacity of refrigerators R8 to Rs, 8s,
~8=3 is %111 when the status switch 8~8m indicates that it is running, and 10 when it indicates that it is stopped.
This is the coefficient.
第２図は、冷凍機Ｒ１〜Ｒ，の運転台数切替え時（（お
ける能力の制御状況を示すシーケンス図であシ、（ム）
は冷凍機Ｒ１の、（Ｂ）は冷凍機Ｒ１の、（０）は冷凍
様Ｒｓの各冷凍能力を冷凍トン（以下、ｎ ＊ ）によ
り示し、（Ｄ）は９ｉ１１負荷量の変化例をＲｔ に
よシか１−ておル、この場合は、冷凍容量が冷凍機Ｒ１
は２０Ｒｔ、冷凍機Ｒ，け３０Ｒｔ 、冷凍’ｆ！ＩＲ
ｓは５０Ｒｔであシ、これらと対応して空調負荷量の最
大値が１００Ｒｔ となっている。Figure 2 is a sequence diagram showing the control status of capacity when switching the number of operating refrigerators R1 to R.
indicates the refrigeration capacity of the refrigerator R1, (B) indicates the refrigeration capacity of the refrigerator R1, (0) indicates the refrigeration capacity of the refrigeration-like Rs in terms of refrigeration tons (n*), and (D) indicates an example of change in the 9i11 load amount as Rt. In this case, the refrigeration capacity is the refrigerator R1.
20Rt, refrigerator R, ke30Rt, refrigeration 'f! IR
s is 50Rt, and correspondingly, the maximum value of the air conditioning load is 100Rt.
こ＼において、空ＦＡ負荷：ｉｉ： （Ｄ）が２０Ｒｔ
の間は、冷［＊ｎｔ（＾）のみを運転するが、空ｐｌ＊
荷量（Ｄ）が４０Ｒｔへ増加すると、冷凍＠ ｎ 倉（
Ｂ）も運転を開始するものとなる。In this case, empty FA load: ii: (D) is 20Rt
During this period, only the cold [*nt(^)] is operated, but the empty pl*
When the load (D) increases to 40Rt, frozen @ n warehouse (
B) also starts operation.
たソし、この際は、（１）式の５１１１＋”１ｍが気１
〃、８幻力β０〃のため、［、（１＝＝Ｑ、８すなわち
８０チとなシ、一定時間Ｔムの期間、冷凍機Ｒｓ（〜の
能力が８０チに保たれる一方、冷凍機Ｒ１（Ｂ）は、所
定時間Ｔｍの期間、始動負荷率として５０係の能力妬保
たれたうえ、所定時間Ｔｎの経過に伴ない、８０チの強
制負荷率となり、これを一定時間Ｔム を経過するまで
維持し、−爺時間Ｔムの経過に応じ、点線によ漫示す自
動制御へ移行する。In this case, 5111+"1m in equation (1) is 1
〃, 8 phantom power β0〃, [, (1 = = Q, 8, that is, 80 cm), for a certain period of time Tm, the capacity of the refrigerator Rs (~ is maintained at 80 cm, while the The machine R1 (B) maintains a starting load factor of 50 for a predetermined period of time Tm, and then becomes a forced load factor of 80 as a predetermined time Tn elapses, and maintains this as a starting load factor for a predetermined period of time T. The control is maintained until the -old time T has elapsed, and as the -old time T has elapsed, it shifts to the automatic control indicated by the dotted line.
このため、冷凍（ＭＲ□（Ａ）の能力１６Ｒｔと、冷凍
機ｕｓ（ａ）の能力２４Ｒ１との和が４０Ｒ４とガシ、
この際の空調負荷［１（Ｄ）と一致し、自動制御へ移行
しても、制御系に不安定を生じないものとなる。Therefore, the sum of the capacity 16Rt of the refrigerator (MR□(A)) and the capacity 24R1 of the refrigerator us(a) is 40R4,
The air conditioning load at this time matches [1 (D)], and even if the control is shifted to automatic control, the control system will not become unstable.
また、空調負荷量の）が９ＱＲｔへ増加すれば、冷凍機
Ｒｓ（０）も運転を開始し、１１）式の８８．〜８幻の
すべてがＮ１ｒと々るため、Ｌ ｃ ” Ｑ、 ９すな
わち９０チとなシ、冷凍機Ｒ１（＾）および冷凍機Ｒ１
（Ｂ）の能力が一定時間Ｔムの期間、９０％に保たれる
一方、冷凍機ｍ５（ｏ）は、所定時間Ｔｍの期間、能力
が５０％に保たれたうえ、９０チの能力となってから、
一定時間Ｔムの経過に応じて自動制御へ移行する。Furthermore, if the air conditioning load) increases to 9QRt, the refrigerator Rs(0) also starts operating, and 88. of equation 11). ~ Since all of the 8 illusions reach N1r, L c ” Q, 9 or 90 chi, refrigerator R1 (^) and refrigerator R1
The capacity of (B) is kept at 90% for a certain period of time Tm, while the capacity of refrigerator m5(o) is kept at 50% for a certain period of time Tm, and the capacity of refrigerator m5(o) is kept at 90% for a certain period of time Tm. After that,
The system shifts to automatic control in accordance with the elapse of a certain period of time Tm.
このため、冷凍機ｎ ｔ （Ａ）の能力１８Ｒ１と、冷
凍機ｕｓ（Ｂ）の能力２７Ｒｔと、冷凍機Ｒ１（０）の
能力４５Ｒｔとの和が９０Ｒｔとなり、この際の空調負
荷１！： （Ｄ）と一致し、自動制御へ移行しても、制
御系の安定性が維持される。Therefore, the sum of the capacity 18R1 of the refrigerator n t (A), the capacity 27Rt of the refrigerator us (B), and the capacity 45Rt of the refrigerator R1 (0) is 90Rt, and the air conditioning load at this time is 1! : Consistent with (D), the stability of the control system is maintained even when shifting to automatic control.
ついで、を動負荷ｉｔ （ｒ））が４０Ｒｔ−”、減少
すれば、冷凍！ｌＩＲ＊ （０）が運転を停止すると共
に、（１）式の結果がＬｅ＝０．８となるため、運転を
継続する冷凍機Ｒ１（＾）および冷凍機Ｒｔ（Ｂ）の能
力が、一定時間ＴＡの期間８０チに保たれたうえ、自動
制御へ移行する。Next, if the dynamic load it (r)) decreases by 40Rt-'', the refrigeration!lIR* (0) will stop operating, and the result of equation (1) will be Le=0.8, so the operation will stop. The capacities of refrigerator R1 (^) and refrigerator Rt (B), which continue to operate, are maintained at 80 degrees for a certain period of time TA, and then shift to automatic control.
このため、冷凍機Ｒ＊（Ａ）の能力１６Ｒｔと、冷凍機
Ｒ，（Ｂ）の能力２４Ｒｔとの和が４０Ｒｔとなり、こ
の際の空１４負荷量（Ｄ）と一致し、自動制御へ移行し
ても、制御系の安定性が保たれる。Therefore, the sum of the capacity 16Rt of the refrigerator R* (A) and the capacity 24Rt of the refrigerators R and (B) is 40Rt, which matches the empty 14 load amount (D) at this time, and shifts to automatic control. The stability of the control system is maintained even when
第３図は、制御器０ＯＮによる制御状況のフローチャー
トであり、捷ず、冷凍＊Ｒ１〜Ｒ，の運転亀台数切替有
？〃を判断し、これがｙｓｓであれば、（１）式によシ
１強制負荷率演算〃を行ない、１強制負荷重信号送出Ｉ
によシ運転を継続する冷凍機のベーン開度を規制したう
え、亀新規運転有？ｌがＮＯであれに、一定時間％Ｔム
経過？〃のＹＩｉｌＢに応じ、１強制負荷重信号停止Ｉ
を行ない、自動制御へ移行する。Fig. 3 is a flowchart of the control situation with the controller 0ON, and whether there is a change in the number of operating units of refrigeration *R1 to R, without switching? If it is yss, perform 1 forced load factor calculation according to equation (1) and send 1 forced load heavy signal I.
In addition to regulating the vane opening of the refrigerator that continues to operate normally, is there new operation? Even though l is NO, a certain amount of time has passed? According to YIilB of 〃, 1 forced load heavy signal stop I
and shift to automatic control.
また、′新規運転有？′のＹＥＳでは、一定時間％Ｔム
経過？〃のＮｏおよび所定時ｒｖＩ’ Ｔ ｍ経過？Ｉ
のＮｏに応じ、１新規運転機を始動負荷率によシ運転〃
シ、所定時間％ＴＩ経過？Ｉのｙｅｓによっては、噺規
運転機を強制開度によシ違転ｌのうえ、一定時間％Ｔム
経過？〃がＹＩｉｌＢとなれば、亀強制負荷率信号停止
〃にしたがって自動制御へ移行する。Also, is there new operation? 'If YES, has a certain period of time passed? 〃No and predetermined time rvI' T m elapsed? I
Depending on the No., one new operating machine will be operated according to the starting load factor.
C, has the predetermined time %TI elapsed? Depending on the yes of I, the standard driving machine is forced to open, and a certain period of time %Tm elapses? When 〃 becomes YIilB, the control shifts to automatic control in accordance with 〃forced load rate signal stop》.
たｙＬ、熱像機器としては冷凍機Ｒ１〜Ｒバぬか、ボイ
ラ等を用いても同様であシ、制御器０ＯＮにプロセッサ
等を用いず、専用の制御回路を用いてもよく、一定時間
ならびに所定時間および始動負荷率等は、条件に応じて
定めればよい等、本発明は種々の変形が自在である。As the thermal imaging equipment, refrigerators R1 to R, boilers, etc. may be used, and a dedicated control circuit may be used instead of a processor etc. for the controller 0ON. The present invention can be modified in various ways, such as the predetermined time and starting load factor, etc., which may be determined depending on the conditions.
以上の説明によ〕明らかなとおシ本発明によれば、熱源
機器の運転台数を切替える際においても、制御系の安定
性が維持され、円滑に自動制御へ移行できるため、空隔
用熱源機器の制御上、顕著な効果が得られる。As is clear from the above explanation, according to the present invention, even when switching the number of operating heat source devices, the stability of the control system is maintained and a smooth transition to automatic control is possible. A remarkable effect can be obtained in terms of control.
図は本発明の実施例を示し、第１図は計装図、第２図は
制御状況のシーケンス図、第３図は制御状況を示すフロ
ーチャートである。
Ｒ，％Ｒ，・・・・冷凍機（熱源機器）、ＡＬ・・・・
空調負荷、ＯＯＮ・・・・制御器、ＴＩＴヨフ
・・・・温度センサ、Ｆ・・・・流量計。
特許出願人 山武ハネウェル株式会社 ・代 理
人 山 用政樹（ほか１名）
第１図The figures show an embodiment of the present invention; FIG. 1 is an instrumentation diagram, FIG. 2 is a sequence diagram of the control situation, and FIG. 3 is a flowchart showing the control situation. R, %R,... Refrigerator (heat source equipment), AL...
Air conditioning load, OON...Controller, TIT...Temperature sensor, F...Flowmeter. Patent applicant: Yamatake Honeywell Co., Ltd. Agent: Masaki Yama (and one other person) Figure 1
Claims (1)
数を切替えかつ前記熱源機器の能力を制御する方法にお
いて、前記空調負荷量の増減に応じて前記熱源機器の運
転台数を切替える際、運転を継続する前記熱源機器の能
力をこの際の前記９評負荷量と前記切替え後において運
転される前記各熱源機器の全容量との比によシ定められ
る強制負荷率へ一定時間の期間設定すると共に１新ＭＫ
運転される前記熱源機器の能力を前記一定時間よシ少な
い所定時間の期間始動負荷率へ設定しかつ前記所定時間
を経過してから前記一定時間を経過するまでの期間前記
強制負荷率によシ前記能力を設定することを特徴とした
熱源機器の制御方法。In the method of switching the number of operating heat source devices provided in plurality according to the air conditioning load amount and controlling the capacity of the heat source device, when switching the number of operating heat source devices according to the increase/decrease in the air conditioning load amount, the operation The ability of the heat source equipment to continue is set for a certain period of time to a forced load rate determined by the ratio of the nine-rated load at this time to the total capacity of each of the heat source equipment operated after the switching. Along with 1 new MK
The capacity of the heat source equipment to be operated is set to a starting load factor for a predetermined time period less than the predetermined time period, and the capacity is set to the forced load factor for a period from the elapse of the predetermined time period until the elapse of the predetermined time period. A method of controlling a heat source device, comprising setting the capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57119017A JPS599440A (en) | 1982-07-08 | 1982-07-08 | Control of heat source equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57119017A JPS599440A (en) | 1982-07-08 | 1982-07-08 | Control of heat source equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS599440A true JPS599440A (en) | 1984-01-18 |
| JPS6262266B2 JPS6262266B2 (en) | 1987-12-25 |
Family
ID=14750919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57119017A Granted JPS599440A (en) | 1982-07-08 | 1982-07-08 | Control of heat source equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS599440A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60181536A (en) * | 1984-02-28 | 1985-09-17 | Daikin Ind Ltd | Air-conditioning device capable of regulating capacity thereof |
| JPH02100701A (en) * | 1988-10-07 | 1990-04-12 | Toho Gas Co Ltd | Load capacity detector and multiple heat source equipment operation control method |
| US5201187A (en) * | 1989-01-20 | 1993-04-13 | Hitachi, Ltd. | System for controlling cooling equipment |
| JP2016061541A (en) * | 2014-09-22 | 2016-04-25 | 株式会社日立製作所 | Operation control apparatus and operation control method for energy network |
| JPWO2024062531A1 (en) * | 2022-09-20 | 2024-03-28 |
-
1982
- 1982-07-08 JP JP57119017A patent/JPS599440A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60181536A (en) * | 1984-02-28 | 1985-09-17 | Daikin Ind Ltd | Air-conditioning device capable of regulating capacity thereof |
| JPH02100701A (en) * | 1988-10-07 | 1990-04-12 | Toho Gas Co Ltd | Load capacity detector and multiple heat source equipment operation control method |
| US5201187A (en) * | 1989-01-20 | 1993-04-13 | Hitachi, Ltd. | System for controlling cooling equipment |
| JP2016061541A (en) * | 2014-09-22 | 2016-04-25 | 株式会社日立製作所 | Operation control apparatus and operation control method for energy network |
| JPWO2024062531A1 (en) * | 2022-09-20 | 2024-03-28 | ||
| WO2024062531A1 (en) * | 2022-09-20 | 2024-03-28 | 三菱重工サーマルシステムズ株式会社 | Heat source system, air-conditioning system, control method, and program |
| EP4589209A4 (en) * | 2022-09-20 | 2025-10-22 | Mitsubishi Heavy Ind Thermal Systems Ltd | HEAT SOURCE SYSTEM, AIR CONDITIONING SYSTEM, CONTROL METHOD AND PROGRAM |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6262266B2 (en) | 1987-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3590910A (en) | Heating-cooling air-conditioning system control | |
| JP5657110B2 (en) | Temperature control system and air conditioning system | |
| US4003729A (en) | Air conditioning system having improved dehumidification capabilities | |
| KR900005977B1 (en) | Protective capacity control system for a refrigeration system | |
| JPS599440A (en) | Control of heat source equipment | |
| JP2541172B2 (en) | Operation control device for air conditioner | |
| JP4160861B2 (en) | Refrigeration cycle equipment | |
| JP2504424B2 (en) | Refrigeration cycle | |
| JP2921632B2 (en) | Cold water supply method and equipment for cooling air conditioning of nuclear power plants | |
| JPH0217787B2 (en) | ||
| JP2918648B2 (en) | Variable flow control device for cold / hot water / cooling water in absorption chiller / hot / cold water machine | |
| JPS599442A (en) | Control of heat source equipment | |
| JPH06147684A (en) | Controlling method for number of absorption refrigerator and cold/hot water machine | |
| JPS5919257B2 (en) | How to control the flow rate of a water cooler/heater pump | |
| JPS63306377A (en) | Defrostation controller for heat pump type air conditioner | |
| JPS62213669A (en) | Method of controlling operation of air conditioner | |
| JPH05240493A (en) | Air conditioner | |
| JPH04236072A (en) | Air-conditioning device | |
| JPS58219342A (en) | Starting method of heat source apparatus | |
| JPH0772641B2 (en) | Refrigeration system control method | |
| JPS5937406B2 (en) | Refrigeration equipment | |
| JPS6014034A (en) | Operation control system for air conditioner | |
| JP2007303698A (en) | Hot water supply system | |
| JPH0771836A (en) | Absorption refrigerator controller | |
| JPS599441A (en) | Starting operation of heat source equipment |