JP3216749B2 - Control method of absorption refrigerator - Google Patents
Control method of absorption refrigeratorInfo
- Publication number
- JP3216749B2 JP3216749B2 JP18320993A JP18320993A JP3216749B2 JP 3216749 B2 JP3216749 B2 JP 3216749B2 JP 18320993 A JP18320993 A JP 18320993A JP 18320993 A JP18320993 A JP 18320993A JP 3216749 B2 JP3216749 B2 JP 3216749B2
- Authority
- JP
- Japan
- Prior art keywords
- power failure
- operation state
- time
- temperature regenerator
- power
- 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.)
- Expired - Lifetime
Links
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、吸収冷凍機の運転制御
に係り、特に、停電が発生してから復電した時の吸収冷
凍機の制御方法に関する。BACKGROUND OF THE INVENTION This invention relates to the operation control of the absorption refrigeration machine, in particular, absorption cold when the power failure recovery of power from occurring
The present invention relates to a method for controlling a freezer .
【０００２】[0002]
【従来の技術】従来の吸収冷凍機は停電発生とともに、
希釈運転することなく完全停止し、復電後の動作は通常
次のようになっている。 運転者が再度運転操作を行う。 （数秒間の瞬停の場合は自動復帰の場合もある。） 強制的に希釈運転を行い、希釈運転終了後新たな運
転指令（運転操作）がくるまで待機する。2. Description of the Related Art Conventional absorption chillers are not
The operation is completely stopped without performing the dilution operation, and the operation after the power recovery is as follows. The driver performs the driving operation again. (In the case of momentary blackout for a few seconds, automatic recovery may be possible.) Forcibly perform the dilution operation, and wait for a new operation command (operation operation) after the dilution operation is completed.
【０００３】しかしながら、上記の場合は、運転者が
再度運転操作を行う必要があり、煩わしいこと、及びこ
の運転操作を忘れた場合は希釈運転を行わず放置される
ため結晶の危険があった。また、上記の場合は復電後
強制的に希釈運転を行うため、次回の起動時に時間がか
かり省エネルギーに反することと、再度運転指令をだす
必要があり煩わしい等の問題があった。However, in the above case, it is necessary for the driver to perform the driving operation again, which is troublesome, and when the driving operation is forgotten, the driver is left without performing the dilution operation, and there is a danger of crystals. Further, in the above case, since the dilution operation is forcibly performed after the power is restored, there is a problem that it takes time at the next start-up, which is against energy saving, and that it is necessary to issue an operation command again, which is troublesome.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、上記問題点
を解決し、停電発生時の結晶を防止するとともに、復電
時の運転管理を容易にし、経済的かつ迅速な起動特性を
有する吸収冷凍機の制御方法を提供することを課題とす
る。SUMMARY OF THE INVENTION The present invention solves the above problems, prevents crystallization at the occurrence of a power failure, facilitates operation management at the time of power recovery, and has an economical and quick start-up characteristic. to provide a control method of the refrigerator an object of the present invention.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に、吸収冷凍機の運転状態を記憶する運転状態記憶装置
と、停電検出装置と、停電継続時間検出装置とを具備
し、前記運転状態と停電継続時間とから復電後の運転状
態を制御する制御装置を有する吸収冷凍機の制御方法に
おいて、停電継続時間が、停電発生前の運転状態により
決定される設定時間以内の場合は、復電後に停電前の運
転状態に自動復帰するように制御することを特徴とする
吸収冷凍機の制御方法としたものである。In order to solve the above-mentioned problems, an operation state storage device for storing an operation state of an absorption refrigerator, a power failure detection device, and a power failure duration detection device are provided. to a method of controlling the absorption chiller to have a control device for controlling the operating state after the power recovery from the power failure duration
The power failure duration depends on the operating conditions before the power failure occurred.
If it is within the set time, the operation before the power failure
The present invention is a method for controlling an absorption refrigerator, wherein the method is controlled to automatically return to a rotating state .
【０００６】上記の設定時間に関連する因子としては、
例えば、加熱弁開度、高温再生器溶液温度、高温再生器
圧力、溶液濃度、冷却水温度、停電発生までの運転継続
時間等があり、これらの任意の組合せで良い。[0006] as a factor related to the set time of the top Symbol is,
For example, there are a heating valve opening degree, a high-temperature regenerator solution temperature, a high-temperature regenerator pressure, a solution concentration, a cooling water temperature, an operation continuation time until a power failure occurs, and the like, and any combination thereof may be used.
【０００７】[0007]
【作用】本発明によれば、吸収冷凍機の運転状態を記憶
する装置と停電していた時間を検出する装置と、停電前
の運転状態と停電時間とから復電後の運転状態を算出し
て制御する制御装置とを有することにより、停電して
も、復電後に最適運転状態に自動的に復帰でき、結晶化
の危険とか、再度運転指令をだす煩わしさがない。According to the present invention, an apparatus for storing the operation state of an absorption refrigerator, an apparatus for detecting the time during which a power failure has occurred, and an operation state after a power failure is calculated from the operation state before the power failure and the power failure time. In the case of a power failure, it is possible to automatically return to the optimum operation state after the power is restored, and there is no danger of crystallization or troublesomeness of issuing an operation command again.
【０００８】[0008]
【実施例】以下、本発明を図面を用いて具体的に説明す
るが、本発明はこれに限定されるものではない。 実施例１ 図１は具体的に吸収冷凍機に適用した際の概略構成図で
あり、図２は本発明の制御装置を用いる制御動作の説明
図である。図１において、１は蒸発器、２は吸収器、３
は低温再生器、４は凝縮器、５は高温再生器、６は気液
分離器、７は熱交換器、８は溶液ポンプ、９は冷媒ポン
プ、１０は抽気タンク、１１、１１′、１２、１２′、
１３は溶液通路、１４、１５は冷媒通路であり、１６は
圧力計、１７は温度計である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described specifically with reference to the drawings, but the present invention is not limited thereto. Embodiment 1 FIG. 1 is a schematic configuration diagram specifically applied to an absorption refrigerator, and FIG. 2 is an explanatory diagram of a control operation using a control device of the present invention. In FIG. 1, 1 is an evaporator, 2 is an absorber, 3
Is a low-temperature regenerator, 4 is a condenser, 5 is a high-temperature regenerator, 6 is a gas-liquid separator, 7 is a heat exchanger, 8 is a solution pump, 9 is a refrigerant pump, 10 is an extraction tank, 11, 11 ', and 12 , 12 ',
13 is a solution passage, 14 and 15 are refrigerant passages, 16 is a pressure gauge, and 17 is a thermometer.
【０００９】そして、この装置の操作盤には、冷凍機主
制御装置２１、停電検出装置２２、運転状態記憶装置２
３、停電継続時間検出装置２４が設けられている。この
装置の冷房運転において、冷媒を吸収した希溶液は、吸
収器２から溶液ポンプ８により熱交換器７の被加熱側に
導入され、一部は熱交換器７の途中から通路１１を通
り、低温再生器３に導入され、残りの希溶液は通路１
１′を通り高温再生器５に導入される。高温再生器５で
は希溶液はバーナーにより加熱されて冷媒を蒸発して濃
縮され、濃縮された濃溶液は通路１２′を通り熱交換器
で熱交換され、途中低温再生器からの濃溶液と一緒にな
って通路１３から吸収器２に導入される。The operation panel of this device includes a refrigerator main control device 21, a power failure detection device 22, and an operation state storage device 2.
3. A power failure duration detection device 24 is provided. In the cooling operation of this apparatus, the dilute solution having absorbed the refrigerant is introduced from the absorber 2 to the heated side of the heat exchanger 7 by the solution pump 8, and a part thereof passes through the passage 11 from the middle of the heat exchanger 7, The dilute solution introduced into the low-temperature regenerator 3 is passed through the passage 1
It is introduced into the high temperature regenerator 5 through 1 '. In the high-temperature regenerator 5, the dilute solution is heated by the burner to evaporate the refrigerant to be concentrated, and the concentrated concentrated solution passes through the passage 12 'and is heat-exchanged in the heat exchanger, and along with the concentrated solution from the low-temperature regenerator. And is introduced into the absorber 2 from the passage 13.
【００１０】一方、蒸発した冷媒ガスは気液分離器６で
溶液と分離され、ガスのみが通路１４を通り、低温再生
器３の熱源として用いられたのち凝縮器４に導入され
る。凝縮器４では低温再生器３からの冷媒ガスと共に冷
却水により冷却されて凝縮し蒸発器１に入る。蒸発器１
では冷媒が冷媒ポンプ９により通路１５から循環されて
蒸発し、その際に蒸発熱を負荷側の冷水から奪い、冷水
を冷却し、冷房に供される。On the other hand, the evaporated refrigerant gas is separated from the solution by the gas-liquid separator 6, and only the gas passes through the passage 14, is used as a heat source of the low-temperature regenerator 3, and is then introduced into the condenser 4. In the condenser 4, the refrigerant is cooled by the cooling water together with the refrigerant gas from the low-temperature regenerator 3, condensed, and enters the evaporator 1. Evaporator 1
In this case, the refrigerant is circulated from the passage 15 by the refrigerant pump 9 and evaporates. At this time, the heat of evaporation is removed from the cold water on the load side, the cold water is cooled, and the air is cooled.
【００１１】このような冷房運転において、操作盤に設
置した運転状態記憶装置は高温再生器５の圧力を、また
溶液温度を常に監視して記憶している。そして、停電が
発生した際には停電検出装置が検出し、停電継続時間を
把握し、復電後には主制御装置が停電前の運転状態、停
電時間等を総合的に判断して運転状態を決めるものであ
る。In such a cooling operation, an operating state storage device installed on the operation panel constantly monitors and stores the pressure of the high-temperature regenerator 5 and the solution temperature. Then, when a power failure occurs, the power failure detection device detects the power failure and grasps the duration of the power failure, and after the power is restored, the main control device comprehensively determines the operation state before the power failure, the power failure time and the like to determine the operation state. Decide.
【００１２】その制御動作を図２で説明すると、停電が
発生すると、停電前の運転状態を記憶し、停電時間をカ
ウントしておき、復電後には停電前の運転状態である加
熱弁開度、高温再生器溶液温度、高温再生器圧力、溶液
濃度、冷却水温度、連続運転時間等に基づいて設定時間
Ｔ1 を算出し、停電時間がこの設定時間内であれば、停
電前の運転状態に自動復帰し、設定時間を越えていれ
ば、停止、希釈、警報等の任意の組合せの操作すること
になる。前記設定時間は停電発生時の高温再生器溶液温
度及び高温再生器圧力（又はこれに相当する物理量）か
ら溶液濃度を演算し、この溶液濃度により、算出するの
がよい。The control operation will be described with reference to FIG. 2. When a power failure occurs, the operating state before the power failure is stored, and the power failure time is counted.
Leave down bets, condensate heating valve is in the state of operation before the power failure after electrodeposition opening, high-temperature regenerator solution temperature, high temperature regenerator pressure, solution concentration, coolant temperature, set based on the continuous operation time and the like time T 1 is calculated, and if the power outage time is within this set time, it automatically returns to the operation state before the power outage, and if it exceeds the set time, it will operate any combination of stop, dilution, alarm, etc. . The set time is preferably calculated by calculating the solution concentration from the high-temperature regenerator solution temperature and the high-temperature regenerator pressure (or a physical quantity corresponding thereto) at the time of the occurrence of the power failure, and using the solution concentration.
【００１３】[0013]
【発明の効果】本発明によれば、停電後の復電時に最適
運転状態に制御でき、停電発生時の結晶を防止すると共
に、復電時の運転管理を容易にし、経済的かつ迅速な起
動特性を有する吸収冷凍機の運転ができる。According to the present invention, the optimal operation state can be controlled at the time of power recovery after a power failure, preventing crystallization at the time of power failure occurrence, facilitating operation management at the time of power recovery, and economical and quick startup. Operation of an absorption refrigerator having characteristics can be performed.
【図１】制御装置を組込んだ吸収冷凍機の概略構成図。FIG. 1 is a schematic configuration diagram of an absorption refrigerator incorporating a control device.
【図２】本発明の制御装置を用いる制御動作の説明図。FIG. 2 is an explanatory diagram of a control operation using the control device of the present invention.
１：蒸発器、２：吸収器、３：低温再生器、４：凝縮
器、５：高温再生器、６：気液分離器、７：熱交換器、
８：溶液ポンプ、９：冷媒ポンプ、１０：抽気タンク、
１１，１１′，１２，１２′，１３：溶液通路、１４，
１５：冷媒通路、１６：圧力計、１７：温度計、２１：
冷凍機主制御装置、２２：停電検出装置、２３：運転状
態記憶装置、２４：停電継続時間検出装置1: evaporator, 2: absorber, 3: low-temperature regenerator, 4: condenser, 5: high-temperature regenerator, 6: gas-liquid separator, 7: heat exchanger,
8: solution pump, 9: refrigerant pump, 10: bleeding tank,
11, 11 ', 12, 12', 13: solution passage, 14,
15: refrigerant passage, 16: pressure gauge, 17: thermometer, 21:
Refrigerator main control device, 22: power failure detection device, 23: operation state storage device, 24: power failure duration detection device
フロントページの続き (56)参考文献 特開 昭64−57036（ＪＰ，Ａ) 特開 昭61−217661（ＪＰ，Ａ) 特開 昭62−166272（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) F25B 15/00 306 Continuation of front page (56) References JP-A-64-57036 (JP, A) JP-A-61-217661 (JP, A) JP-A-62-166272 (JP, A) (58) Fields investigated (Int) .Cl. 7 , DB name) F25B 15/00 306
Claims (1)
態記憶装置と、停電検出装置と、停電継続時間検出装置
とを具備し、前記運転状態と停電継続時間とから復電後
の運転状態を制御する制御装置を有する吸収冷凍機の制
御方法において、停電継続時間が、停電発生前の運転状
態により決定される設定時間以内の場合は、復電後に停
電前の運転状態に自動復帰するように制御することを特
徴とする吸収冷凍機の制御方法。An operation state storage device for storing an operation state of an absorption refrigerator, a power failure detection device, and a power failure continuation time detection device, and an operation state after a power recovery based on the operation state and the power failure continuation time. to have a control device for controlling the absorption chiller control of
In the control method, the power failure continuation time
If it is within the set time determined by the
Control method of the absorption refrigerating machine, characterized by controlling so as to automatically return to the collector prior to operating conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18320993A JP3216749B2 (en) | 1993-06-30 | 1993-06-30 | Control method of absorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18320993A JP3216749B2 (en) | 1993-06-30 | 1993-06-30 | Control method of absorption refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0719650A JPH0719650A (en) | 1995-01-20 |
| JP3216749B2 true JP3216749B2 (en) | 2001-10-09 |
Family
ID=16131694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18320993A Expired - Lifetime JP3216749B2 (en) | 1993-06-30 | 1993-06-30 | Control method of absorption refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3216749B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10006725B2 (en) | 2012-02-13 | 2018-06-26 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Heat source system and method for controlling number of machines to be started at time of power recovery in heat source system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09126276A (en) * | 1995-11-01 | 1997-05-13 | Bridgestone Corp | Tire wheel unbalance correcting weight tape |
-
1993
- 1993-06-30 JP JP18320993A patent/JP3216749B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10006725B2 (en) | 2012-02-13 | 2018-06-26 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Heat source system and method for controlling number of machines to be started at time of power recovery in heat source system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0719650A (en) | 1995-01-20 |
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