JPH02140562A - Absorption refrigerator - Google Patents
Absorption refrigeratorInfo
- Publication number
- JPH02140562A JPH02140562A JP29290788A JP29290788A JPH02140562A JP H02140562 A JPH02140562 A JP H02140562A JP 29290788 A JP29290788 A JP 29290788A JP 29290788 A JP29290788 A JP 29290788A JP H02140562 A JPH02140562 A JP H02140562A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- cooling water
- absorber
- signal
- absorption
- 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
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims description 38
- 239000002826 coolant Substances 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 8
- 239000013078 crystal Substances 0.000 abstract description 8
- 238000007865 diluting Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000003507 refrigerant Substances 0.000 description 12
- 230000007423 decrease Effects 0.000 description 11
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は、冷房運転等に使用される吸収冷凍機に関する
。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an absorption refrigerator used for cooling operations and the like.
（ロ）従来の技術
例えば特開昭５８−１６０７７８号公報には、蒸発器の
冷水出口温度を検出して再生器の加熱量を制御する吸収
冷凍機の制御装置が開示されている。(b) Prior Art For example, Japanese Patent Laid-Open No. 58-160778 discloses a control device for an absorption refrigerator that detects the temperature of the cold water outlet of an evaporator and controls the amount of heating of a regenerator.
（八）発明が解決しようとする課題
上記従来の技術において、外気温度が低下し吸収器の冷
却水温度が低下しているとき、吸収冷凍機が設置きれた
例えば店舗等の室内の混雑により冷房が必要になり、冷
房運転が開始され、冷却水温度が低い状態で吸収冷凍機
の運転が継続した場合、吸収器から流出する吸収液の温
度が低下し、温度低下した吸収液と再生器から流出した
濃液とが熱交換する熱交換器にて濃液の温度が大幅に低
くなり、吸収液の結晶が発生する虞れがあった。(8) Problems to be Solved by the Invention In the above-mentioned conventional technology, when the outside air temperature is low and the temperature of the cooling water in the absorber is low, the air conditioner is cooled due to congestion in a room such as a store where all absorption refrigerators have been installed. is required, and cooling operation is started, and if the absorption chiller continues to operate with the cooling water temperature low, the temperature of the absorption liquid flowing out from the absorber will decrease, and the temperature of the absorption liquid flowing out from the absorber will decrease. In the heat exchanger where the concentrated liquid flows out and exchanges heat with it, the temperature of the concentrated liquid drops significantly, and there is a possibility that crystals of the absorbed liquid will form.
本発明は冷却水温度の低下時の吸収液の結晶を防止する
ことを目的とする。The object of the present invention is to prevent crystallization of the absorption liquid when the temperature of the cooling water decreases.
、（ニ）課題を解決するための手段
本発明は上記課題を解決するために、再生器（１） 、
（２）、凝縮器（３）、蒸発器（４）、吸収器（５）
、及び吸収器（５）から流出した吸収液と再生器（１）
。, (d) Means for solving the problems In order to solve the above problems, the present invention provides a regenerator (1),
(2), condenser (3), evaporator (4), absorber (5)
, and the absorption liquid flowing out from the absorber (5) and the regenerator (1)
.
（２）から流出した吸収液とが熱交換する熱交換器（６
） 、 （７）をそれぞれ配管接続し、再生器（１）の
加熱量を制御する装置（３３）を有した吸収冷凍機にお
いて、吸収器（５）の冷却水温度を検出する冷却水温度
検出器（３２）と、冷却水温度が所定温度以下になった
とき動作し、所定時間経過したとき運転停止信号を出力
する制御装置（３４）とを備えた吸収冷凍機を提供する
ものである。The heat exchanger (6) exchanges heat with the absorption liquid flowing out from (2).
), (7) are respectively connected via piping, and in an absorption refrigerator having a device (33) for controlling the heating amount of the regenerator (1), cooling water temperature detection for detecting the cooling water temperature of the absorber (5). The present invention provides an absorption refrigerating machine equipped with a controller (32) and a control device (34) that operates when the cooling water temperature falls below a predetermined temperature and outputs an operation stop signal when a predetermined period of time has elapsed.
又、冷却水温度検出器（３２）と、冷却水温度が所定温
度以下になったとき動作し、所定時間経過したとき信号
を出力する制御装置（３４）と、この制御装置（３４）
からの信号に基づいて動作する報知装置（３６） 、
（３７）を備えた吸収冷凍機を提供するものである。Also, a cooling water temperature detector (32), a control device (34) that operates when the cooling water temperature becomes a predetermined temperature or less and outputs a signal when a predetermined time elapses, and this control device (34).
a notification device (36) that operates based on a signal from the
(37).
（ネ）作用
例えば外気温度が低下し、冷却水温度が所定温度以下に
なったときには、冷却水温度検出器（３２）からの信号
に基づいてタイマ装置（３５）が動作を開始し、所定時
間経過した場合にはタイマ装置（３５）が信号を出力し
、この信号に基づいて制御装置（３４）から運転停止信
号が出力され、吸収冷凍機の運転が強制的に停止される
ため、冷却水温度低下による熱交換器（６）等での結晶
発生を防止することが可能になる。(f) Effect For example, when the outside air temperature decreases and the cooling water temperature falls below a predetermined temperature, the timer device (35) starts operating based on the signal from the cooling water temperature detector (32), and the timer device (35) starts operating for a predetermined period of time. If the time has elapsed, the timer device (35) outputs a signal, and based on this signal, the control device (34) outputs an operation stop signal, and the operation of the absorption chiller is forcibly stopped. It becomes possible to prevent crystal formation in the heat exchanger (6) etc. due to a temperature drop.
又、冷却水温度低下したとき、制御装置（３４）からの
信号に基づいて報知装置（３６） 、 （３７）が動作
し、使用者は、冷却水温度低下を知ることが可能になる
。Furthermore, when the coolant temperature drops, the notification devices (36) and (37) operate based on a signal from the control device (34), allowing the user to know that the coolant temperature has dropped.
（へ）実施例
以下、本発明の一実施例を図面に基づいて詳細に説明す
る。(F) Example Hereinafter, an example of the present invention will be described in detail based on the drawings.
第１図に示したものは二重効用吸収冷凍機であり、冷媒
に水（ＨＩＯ）を、吸収剤（吸収液）に臭化リチウム（
ＬｉＢｒ）水溶液を使用したものである。The one shown in Figure 1 is a dual-effect absorption refrigerator that uses water (HIO) as the refrigerant and lithium bromide (as the absorbent).
LiBr) aqueous solution was used.
第１図において、（１）はガスバーナ（ＩＢ）を備えた
高温再生器、（２）は低温再生器、（３）は凝縮器、（
４）は蒸発器、（５）は吸収器、（６）は低温熱交換器
、（７）は高温熱交換器、（８）ないしく１２）は吸収
液配管、（１５）は吸収液ポンプ、（１６）ないしく１
８）は冷媒配管、（１９）は冷媒ポンプ、（２０）はガ
スバーナ（ＩＢ）に接続されたガス配管、（２１）は加
熱量制御弁、（２２）は冷水配管であり、それぞれは第
１図に示したように配管接続されている。In Figure 1, (1) is a high temperature regenerator equipped with a gas burner (IB), (2) is a low temperature regenerator, (3) is a condenser, (
4) is the evaporator, (5) is the absorber, (6) is the low temperature heat exchanger, (7) is the high temperature heat exchanger, (8) or 12) is the absorption liquid piping, and (15) is the absorption liquid pump. , (16) or 1
8) is a refrigerant pipe, (19) is a refrigerant pump, (20) is a gas pipe connected to a gas burner (IB), (21) is a heating amount control valve, and (22) is a cold water pipe, each of which is connected to the first The piping is connected as shown in the figure.
又、（２５）は冷却水配管であり、この冷却水配管（２
５）の途中には吸収器熱交換器（２６）、及び凝縮器熱
交換器（２７）が設けられている。又、（２８）は冷却
塔、（３０）は冷却水ポンプであり、冷却塔（２８）、
及び冷却水ポンプ（３０）を配管接続することにより冷
却回路が構成きれる。In addition, (25) is a cooling water pipe, and this cooling water pipe (2
5) is provided with an absorber heat exchanger (26) and a condenser heat exchanger (27). Further, (28) is a cooling tower, (30) is a cooling water pump, and the cooling tower (28),
A cooling circuit can be constructed by connecting the cooling water pump (30) with piping.
さらに、（３１）は冷水配管（２２）の蒸発器出口側に
設けられた冷水温度検出器（以下第１温度センサという
）、（３２）は冷却水配管（２５）の吸収器入口側に設
けられた冷却水温度検出器（以下第２温度センサという
）である。又、（３３）は吸収冷凍機の制御盤、（３４
）は例えばマイコンにより構成された制御装置であり、
この制御装置（３４）は第１温度センサ（３１）からの
信号を入力して動作し、加熱量制御弁（２１）へ開度信
号を出力する。又、（Ｓ）は運転スイッチ、（３５）は
タイマ装置、（３６）、及び（３７）はそれぞれ報知装
置であるブザー、及び、ＬＥＤ等の表示灯である。ここ
で、制御装置（３４）は吸収器（５）の冷却水入口温度
が低下し所定温度（例えば１９℃）以下になったとき、
第２温度センサ（３２）からの信号に基づいて動作し、
タイマ装置（３５）がカウントを開始する。Furthermore, (31) is a cold water temperature sensor (hereinafter referred to as the first temperature sensor) installed on the evaporator outlet side of the cold water pipe (22), and (32) is installed on the absorber inlet side of the cooling water pipe (25). This is a coolant temperature sensor (hereinafter referred to as a second temperature sensor). Also, (33) is the absorption refrigerator control panel, (34
) is a control device configured by a microcomputer, for example,
This control device (34) operates by inputting a signal from the first temperature sensor (31), and outputs an opening signal to the heating amount control valve (21). Further, (S) is an operation switch, (35) is a timer device, (36) and (37) are respectively a buzzer which is a notification device, and an indicator light such as an LED. Here, the control device (34) controls when the cooling water inlet temperature of the absorber (5) decreases to a predetermined temperature (for example, 19° C.) or lower.
operates based on a signal from a second temperature sensor (32);
A timer device (35) starts counting.
上記吸収冷凍機の運転時、高温再生器（１）で蒸発した
冷媒は低温再生器（２）を経て凝縮器（３）へ流れ、凝
縮器熱交換器（２７）内を流れる水と熱交換して凝縮液
化した後冷媒配管（１７）を介して蒸発器（４）へ流れ
る。そして、冷媒液が冷水配管（２２）内の水と熱交換
して蒸発し、気化熱によって冷水配管（２２）内の水が
冷却きれる。そして、冷水が負荷に循環して冷房運転が
行われる。又、蒸発器（４）で蒸発した冷媒は吸収器（
５）で吸収液に吸収される。そして、冷媒を吸収して濃
度の薄くなった吸収液が吸収液ポンプ（１５）の運転に
より低温熱交換、器（６）、高温熱交換器（７）を経て
高温再生器（１）へ送られる。高温再生器（１）に入っ
た吸収液はバーナ（ＩＢ）によって加熱され、冷媒が蒸
発し、中濃度の吸収液が高温熱交換器（７）を経て低温
再生器（２）に入る。そして、吸収液は高温再生器（１
）から冷媒配管（１６）を流れて来た冷媒蒸気により加
熱され、さらに冷媒が蒸発分離され濃度が高くなる。During operation of the absorption chiller, the refrigerant evaporated in the high temperature regenerator (1) flows through the low temperature regenerator (2) to the condenser (3), where it exchanges heat with the water flowing in the condenser heat exchanger (27). After being condensed and liquefied, it flows to the evaporator (4) via the refrigerant pipe (17). Then, the refrigerant liquid exchanges heat with the water in the cold water pipe (22) and evaporates, and the water in the cold water pipe (22) is completely cooled by the heat of vaporization. Then, the cold water is circulated to the load to perform cooling operation. In addition, the refrigerant evaporated in the evaporator (4) is transferred to the absorber (
5) It is absorbed into the absorption liquid. Then, the absorption liquid whose concentration has become diluted by absorbing the refrigerant is sent to the high-temperature regenerator (1) through the low-temperature heat exchanger (6) and the high-temperature heat exchanger (7) by the operation of the absorption liquid pump (15). It will be done. The absorption liquid entering the high temperature regenerator (1) is heated by a burner (IB) to evaporate the refrigerant, and the medium concentration absorption liquid enters the low temperature regenerator (2) via the high temperature heat exchanger (7). Then, the absorption liquid is transferred to a high-temperature regenerator (1
) is heated by the refrigerant vapor flowing through the refrigerant pipe (16), and the refrigerant is further evaporated and separated, increasing its concentration.
高濃度になった吸収液（以下濃液という）は低温熱交換
器（６）を経て温度低下して吸収器（５）へ流れ散布さ
れる。The highly concentrated absorption liquid (hereinafter referred to as concentrated liquid) passes through a low-temperature heat exchanger (6), lowers its temperature, flows to an absorber (5), and is dispersed.
又、制御装置（３４）は第１温度センサ（３１）から信
号を入力し、その信号、即ち冷水出口温度に基づいて動
作し、加熱量制御弁（２１）へ開度信号を出力する。そ
して、加熱量制御弁（２１）の開度が開度信号により制
御され、冷水出口温度に基づいて高温再生器（１）の加
熱量が制御される。Further, the control device (34) receives a signal from the first temperature sensor (31), operates based on the signal, that is, the cold water outlet temperature, and outputs an opening signal to the heating amount control valve (21). The opening degree of the heating amount control valve (21) is controlled by the opening degree signal, and the heating amount of the high temperature regenerator (1) is controlled based on the cold water outlet temperature.
上記のように高温再生器（１）の加熱量が制御され、吸
収冷凍機の運転が行われるが、例えば、１以外の外気温
度が低下しているときにも、店舗等の室内の混雑により
吸収冷凍機が運転され冷房運転が行われる。このような
とき、第２図に示したように吸収器（５）の冷却水入口
温度が低下しており１９°Ｃ以下の場合には、第２温度
センサ（３２）からの信号に基づいて制御装置（３４）
が動作し、タイマ装置（３５）はカウントを開始する。As described above, the heating amount of the high temperature regenerator (1) is controlled and the absorption chiller is operated, but for example, even when the outside temperature other than 1 is decreasing, due to congestion indoors at a store etc. The absorption refrigerator is operated and cooling operation is performed. In such a case, if the cooling water inlet temperature of the absorber (5) is lower than 19°C as shown in Fig. 2, the temperature will be lowered based on the signal from the second temperature sensor (32). Control device (34)
is activated, and the timer device (35) starts counting.
タイマ装置（３５）がカウントを開始してから冷却水入
口温度が１９°Ｃ以下の状態が継続し、所定時間（例え
ば３０分）経過すると、タイマ装置（３５）はカウント
アツプすると共にリセットされる。そして、タイマ装置
（３５）のカウントアツプに基づいて制御装置（３４）
が動作し、加熱量制御弁（２１）へ閉信号を出力すると
共にブザー（３６）、及び表示灯（３７）へ信号を出力
し、それぞれが発音及び点灯する。そして、吸収液ポン
プ（１５）が所定時間運転され、稀釈運転が行われた後
、吸収冷凍機の運転が停止する。If the cooling water inlet temperature continues to be 19°C or less after the timer device (35) starts counting, and a predetermined period of time (for example, 30 minutes) has elapsed, the timer device (35) counts up and is reset. . Then, based on the count up of the timer device (35), the control device (34)
operates and outputs a close signal to the heating amount control valve (21), and also outputs signals to the buzzer (36) and indicator light (37), each of which makes a sound and lights up. Then, the absorption liquid pump (15) is operated for a predetermined period of time to perform dilution operation, and then the operation of the absorption refrigerator is stopped.
又、上記のように、冷却水入口温度が低下し、１９°Ｃ
以下の場合、所定時間経過する前に、冷却水入口温度が
１９℃より高くなった場合には、第２温度センサ（３２
）からの信号に基づいて制御装置が動作する。そして、
タイマ装置（３５）がカウントを停止すると共にリセッ
トされ、吸収冷凍機の運転が継続して、運転停止は回避
される。Additionally, as mentioned above, the cooling water inlet temperature decreased to 19°C.
In the following cases, if the cooling water inlet temperature becomes higher than 19°C before the predetermined time elapses, the second temperature sensor (32
) The control device operates based on the signal from. and,
The timer device (35) stops counting and is reset, and the absorption refrigerator continues to operate, thereby avoiding a shutdown.
さらに、上記のように吸収冷凍機の運転が強制的に停止
された後、使用者が、制御盤（３３）の運転スイッチ（
Ｓ）を操作した場合には、吸収冷凍機の運転が開始され
る。このとき、上記吸収冷凍機の運転停止前に稀釈運転
が行われているため、吸収冷凍機の機器内にて吸収液の
結晶が発生する虞れはない。Further, after the operation of the absorption chiller is forcibly stopped as described above, the user presses the operation switch (
When S) is operated, operation of the absorption refrigerator is started. At this time, since the dilution operation is performed before the operation of the absorption refrigerating machine is stopped, there is no possibility that crystals of the absorption liquid will occur in the equipment of the absorption refrigerating machine.
上記実施例によれば、第１温度センサ（３１）からの冷
水出口温度の信号に基づいて、制御装置（３４）が動作
して高温再生器（１）の加熱量が制御されているとき、
吸収器（５）の冷却水入口温度が低下した場合には、第
２温度センサ（３２）からの信号に基づいて制御装置（
３４）が動作し、タイマ装置（３５）がカウントを開始
する。そして、冷却水入口温度が低い状態が所定時間継
続したときには制御装置（３４）が動作し、吸収冷凍機
の運転が停止されるため、吸収液の濃度が次第に上昇し
、吸収器（５）から流出した温度の低い吸収液と低温再
生器（２）から流出した濃液とが熱交換する低温熱交換
器（６）にて濃液の温度が低下し、温度が最も低下する
低温熱交換器（６）の吸収液入口側にて結晶が発生する
ことを防止できる。又、吸収器（５）にて熱交換器（２
６）に散布された濃液が結晶することも回避することが
できる。According to the above embodiment, when the control device (34) operates to control the heating amount of the high temperature regenerator (1) based on the signal of the cold water outlet temperature from the first temperature sensor (31),
When the cooling water inlet temperature of the absorber (5) decreases, the control device (
34) operates, and the timer device (35) starts counting. When the cooling water inlet temperature remains low for a predetermined period of time, the control device (34) operates and the operation of the absorption chiller is stopped, so that the concentration of the absorption liquid gradually increases and the absorption liquid flows from the absorber (5). A low-temperature heat exchanger (6) where the low-temperature absorption liquid flowing out and the concentrated liquid flowing out from the low-temperature regenerator (2) exchange heat, the temperature of the concentrated liquid decreases, and the temperature decreases the lowest. (6) It is possible to prevent crystals from forming on the absorption liquid inlet side. In addition, a heat exchanger (2) is installed in the absorber (5).
It is also possible to avoid crystallization of the concentrated liquid sprayed in step 6).
又、冷却水入口温度が低い状態が所定時間継続したとき
、ブザー（３６）、及び表示灯（３７）が動作するため
、使用者に、冷却水入口温度低下を報知することができ
る。Further, when the coolant inlet temperature remains low for a predetermined period of time, the buzzer (36) and indicator light (37) operate, so that the user can be notified of the drop in the coolant inlet temperature.
（ト）発明の効果
本発明は以上のように構成された吸収冷凍機であり、吸
収器の冷却水温度を検出する冷却水温度検出器と、冷却
水温度が所定温度以下になったとき動作し、所定時間経
過したとき運転停止信号を出力する制御装置とを備えて
いるため、冷却水温度が所定温度以下の状態が所定時間
継続したときには、吸収冷凍機の運転を強制的に停止さ
せ、熱交換器等での吸収液の結晶発生を防止でき、結晶
による吸収冷凍機の成積係数の低下、及び故障の発生を
防止することができる。(G) Effects of the Invention The present invention is an absorption refrigerator configured as described above, which includes a cooling water temperature detector for detecting the cooling water temperature of the absorber, and an operation when the cooling water temperature falls below a predetermined temperature. However, since it is equipped with a control device that outputs an operation stop signal when a predetermined period of time has elapsed, when the cooling water temperature remains below a predetermined temperature for a predetermined period of time, the operation of the absorption chiller is forcibly stopped. It is possible to prevent the generation of crystals in the absorption liquid in a heat exchanger, etc., and it is possible to prevent a decrease in the growth coefficient of the absorption refrigerator due to the crystals and a failure from occurring.
又、制御装置からの信号に基づいて動作する報知装置を
備えているため、報知装置の動作により、冷却水温度低
下を使用者に報知することができる。Furthermore, since the system includes a notification device that operates based on a signal from the control device, the user can be notified of a decrease in the cooling water temperature by operating the notification device.
第１図は本発明の一実施例を示す吸収冷凍機の回路構成
図、第２図は冷却水温度の低下時の冷却水温度の時間変
化を示す説明図である。
（１） 、 （２）・・・再生器、 （３）・・・凝縮
器、 （４）・・・蒸発器、 （５）・・・吸収器、
（６） 、 （７）・・・熱交換器、（３２）・・・冷
却水温度検出器、 （３３）・・・制御盤、 （３４）
・・・制御装置、 （３５）・・・タイマ装置、 （３
６）・・・ブザー（報知装置）、 （３７）・・・表示
灯（報知装置）。FIG. 1 is a circuit configuration diagram of an absorption refrigerator showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing changes in cooling water temperature over time when the cooling water temperature decreases. (1), (2)... Regenerator, (3)... Condenser, (4)... Evaporator, (5)... Absorber,
(6) , (7)...Heat exchanger, (32)...Cooling water temperature detector, (33)...Control panel, (34)
...control device, (35) ...timer device, (3
6)...Buzzer (notification device), (37)...Indicator light (notification device).
Claims (1)
流出した吸収液と再生器から流出した吸収液とが熱交換
する熱交換器をそれぞれ配管接続し、再生器の加熱量を
制御する装置を有した吸収冷凍機において、吸収器の冷
却水温度を検出する冷却水温度検出器と、冷却水温度が
所定温度以下になったとき動作し、所定時間経過したと
き運転停止信号を出力する制御装置とを備えたことを特
徴とする吸収冷凍機。 ２、再生器、凝縮器、蒸発器、吸収器、及び吸収器から
流出した吸収液と再生器から流出した吸収液とが熱交換
する熱交換器をそれぞれ配管接続し、再生器の加熱量を
制御する装置を有した吸収冷凍機において、吸収器の冷
却水温度を検出する冷却水温度検出器と、冷却水温度が
所定温度以下になったとき動作し、所定時間経過したと
き信号を出力する制御装置と、この制御装置からの信号
に基づいて動作する報知装置とを備えたことを特徴とす
る吸収冷凍機。[Scope of Claims] 1. A regenerator, a condenser, an evaporator, an absorber, and a heat exchanger for exchanging heat between the absorption liquid flowing out from the absorber and the absorption liquid flowing out from the regenerator are each connected by piping, In an absorption chiller equipped with a device that controls the heating amount of the regenerator, there is a cooling water temperature detector that detects the cooling water temperature of the absorber, and a cooling water temperature detector that operates when the cooling water temperature falls below a predetermined temperature and a predetermined period of time has elapsed. An absorption refrigerating machine characterized by comprising: a control device that outputs an operation stop signal when the 2. Connect the regenerator, condenser, evaporator, absorber, and a heat exchanger that exchanges heat between the absorption liquid flowing out from the absorber and the absorption liquid flowing out from the regenerator, and reduce the heating amount of the regenerator. In an absorption chiller equipped with a control device, there is a cooling water temperature detector that detects the absorber cooling water temperature, and a cooling water temperature detector that operates when the cooling water temperature falls below a predetermined temperature and outputs a signal when a predetermined time has elapsed. An absorption refrigerator comprising a control device and a notification device that operates based on a signal from the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292907A JP2675367B2 (en) | 1988-11-18 | 1988-11-18 | Absorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292907A JP2675367B2 (en) | 1988-11-18 | 1988-11-18 | Absorption refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02140562A true JPH02140562A (en) | 1990-05-30 |
| JP2675367B2 JP2675367B2 (en) | 1997-11-12 |
Family
ID=17787943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63292907A Expired - Lifetime JP2675367B2 (en) | 1988-11-18 | 1988-11-18 | Absorption refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2675367B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06323680A (en) * | 1993-05-10 | 1994-11-25 | Tokyo Gas Co Ltd | Absorptive refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54146458U (en) * | 1978-04-04 | 1979-10-11 | ||
| JPS61231360A (en) * | 1985-04-04 | 1986-10-15 | 株式会社荏原製作所 | Method of controlling absorption refrigerator |
-
1988
- 1988-11-18 JP JP63292907A patent/JP2675367B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54146458U (en) * | 1978-04-04 | 1979-10-11 | ||
| JPS61231360A (en) * | 1985-04-04 | 1986-10-15 | 株式会社荏原製作所 | Method of controlling absorption refrigerator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06323680A (en) * | 1993-05-10 | 1994-11-25 | Tokyo Gas Co Ltd | Absorptive refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2675367B2 (en) | 1997-11-12 |
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