JP2675367B2 - Absorption refrigerator - Google Patents
Absorption refrigeratorInfo
- Publication number
- JP2675367B2 JP2675367B2 JP63292907A JP29290788A JP2675367B2 JP 2675367 B2 JP2675367 B2 JP 2675367B2 JP 63292907 A JP63292907 A JP 63292907A JP 29290788 A JP29290788 A JP 29290788A JP 2675367 B2 JP2675367 B2 JP 2675367B2
- Authority
- JP
- Japan
- Prior art keywords
- regenerator
- temperature
- cooling water
- absorber
- water temperature
- 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
- 238000010521 absorption reaction Methods 0.000 title claims description 45
- 239000000498 cooling water Substances 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 27
- 239000006096 absorbing agent Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000010790 dilution Methods 0.000 claims description 10
- 239000012895 dilution Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 description 13
- 230000002745 absorbent Effects 0.000 description 8
- 239000002250 absorbent Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
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。TECHNICAL FIELD The present invention relates to an absorption refrigerator used for cooling operation 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) Conventional Technology For example, Japanese Patent Application Laid-Open No. 58-160778 discloses a control device for an absorption refrigerator that detects the cold water outlet temperature of the evaporator and controls the heating amount of the regenerator.
（ハ）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、吸収冷凍機が設置され
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
機の運転が連続した場合、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。(C) Problems to be Solved by the Invention In the above-mentioned conventional technique, when the outside air temperature is lowered and the cooling water temperature of the absorber is lowered, cooling is performed due to congestion in the room where the absorption refrigerator is installed, such as a store. Will be required
When the cooling operation is started and the operation of the absorption chiller continues when the cooling water temperature is low, the temperature of the absorption liquid flowing out of the absorber decreases, and the absorption liquid whose temperature has dropped and the concentrated liquid flowing out of the regenerator There was a risk that the temperature of the concentrated liquid would be significantly lowered in the heat exchanger for exchanging heat, and crystals of the absorbing liquid would occur.
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。An object of the present invention is to prevent the absorption liquid from crystallizing when the cooling water temperature 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、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、吸収液を熱交換器で熱交換させた後
再生器へ送り込むためのポンプを設け、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
ときポンプを所定時間だけ運転継続し希釈運転を行った
後にこの吸収冷凍機の運転停止信号を出力する制御装置
を備えた吸収式冷凍機を提供するものである。(D) Means for Solving the Problems In order to solve the above problems, the present invention relates to a regenerator, a condenser, an evaporator, an absorber, and an absorption liquid flowing out from the absorber and an absorption liquid flowing out from the regenerator. An absorption chiller having a device for connecting the heat exchangers for exchanging heat with each other, providing a pump for exchanging the absorbing liquid with the heat exchanger and then sending it to the regenerator, and controlling the heating amount of the regenerator. In, the cooling water temperature detector for detecting the cooling water temperature of the absorber and the cooling water temperature detector are operated when the cooling water temperature becomes equal to or lower than a predetermined temperature, and when the predetermined time elapses, the pump is continuously operated for a predetermined time to perform a dilution operation It is intended to provide an absorption refrigerating machine equipped with a control device which outputs an operation stop signal of the absorption refrigerating machine later.
又、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
作この吸収冷凍機の使用者にポンプを所定時間だけ運転
継続し稀釈運転を行った後にこの吸収冷凍機の運転を停
止させるための警報を発する警報装置を備えるようにし
たものである。Further, a cooling water temperature detector, a control device that operates when the cooling water temperature becomes equal to or lower than a predetermined temperature, and outputs a signal when a predetermined time elapses, and operates based on a signal from the control device. The user is provided with an alarm device for issuing an alarm for stopping the operation of the absorption refrigerating machine after continuing the pump operation for a predetermined time and performing the dilution operation.
（ホ）作用 例えば外気温度が低下し、冷却水温度が所定値以下に
なったときには、冷却水温度検出器からのタイマ装置が
動作を開始し所定時間経過した場合にはタイマ装置が信
号を出力し、この信号に基づいて制御装置から希釈運転
（ポンプを所定時間だけ運転継続）を行った後吸収冷凍
機の運転が強制的に停止される。このため、冷却水の温
度低下による熱交換器等での結晶発生を防止することが
可能になる。(E) Action For example, when the outside air temperature decreases and the cooling water temperature falls below a specified value, the timer device from the cooling water temperature detector starts operation and the timer device outputs a signal when a specified time has elapsed. Then, based on this signal, after the dilution operation (the pump continues to be operated for a predetermined time) is performed from the control device, the operation of the absorption refrigerator is forcibly stopped. Therefore, it becomes possible to prevent the generation of crystals in the heat exchanger or the like due to the decrease in the temperature of the cooling water.
又、冷却水温度が所定温度以下で且つ所定時間以上経
過すると報知装置が作動し、使用者がポンプを所定時間
だけ運転継続し稀釈運転を行った後にこの吸収冷凍機の
運転を停止させることを促す。Further, when the cooling water temperature is lower than a predetermined temperature and a predetermined time or more elapses, the alarm device is activated, and the user may stop the operation of the absorption refrigerator after continuing the pump operation for the predetermined time and performing the dilution operation. Urge.
（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 with reference to 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（H2O）を、吸収剤（吸収液）に臭化リチウム（L
iBr）水溶液を使用したものである。FIG. 1 shows a double-effect absorption refrigerator having water (H 2 O) as a refrigerant and lithium bromide (L) as an absorbent (absorbent).
iBr) using an aqueous solution.
第１図において、（１）はガスバーナ（1B）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（12）は吸収
液配管、（15）は吸収液ポンプ、（16）ないし（18）は
冷媒配管、（19）は冷媒ポンプ、（20）はガスバーナ
（1B）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 FIG. 1, (1) is a high-temperature regenerator equipped with a gas burner (1B), (2) is a low-temperature regenerator, (3) is a condenser,
(4) is an evaporator, (5) is an absorber, (6) is a low-temperature heat exchanger, (7) is a high-temperature heat exchanger, (8) to (12) are absorbent pipes, and (15) is an absorbent. Pump, (16) to (18) are refrigerant pipes, (19) is a refrigerant pump, (20) is a gas pipe connected to a gas burner (1B), (21) is a heating amount control valve,
(22) are cold water pipes, each of which is connected to the pipes as shown in FIG.
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
成される。Also, (25) is a cooling water pipe, and this cooling water pipe (2
In the middle of 5), an absorber heat exchanger (26) and a condenser heat exchanger (27) are provided. Also, (28) is a cooling tower,
Reference numeral (30) is a cooling water pump, and a cooling circuit is constructed by connecting the cooling tower (28) and the cooling water pump (30) by 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。Further, (31) is a cold water temperature detector (hereinafter referred to as the first temperature sensor) provided on the evaporator outlet side of the cold water pipe (22), and (32) is provided on the absorber inlet side of the cooling water pipe (25). Cooling water temperature detector (hereinafter referred to as second temperature sensor)
It is. Further, (33) is a control panel of the absorption refrigerator, and (34) is a control device composed of, for example, a microcomputer. This control device (34) operates by inputting a signal from the first temperature sensor (31). Then, an opening signal is output to the heating amount control valve (21). Also, (S) is an operation switch, (35) is a timer device,
(36) and (37) are buzzers, which are notification devices,
And an indicator light such as an LED. Where control devices (34)
Operates based on the signal from the second temperature sensor (32) when the cooling water inlet temperature of the absorber (5) drops below a predetermined temperature (for example, 19 ° C), and the timer device (35) counts. To start.
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
される。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（1B）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。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。During the operation of the absorption refrigerator, the refrigerant evaporated in the high-temperature regenerator (1) flows through the low-temperature regenerator (2) to the condenser (3),
It condenses and liquefies by exchanging heat with water flowing in the condenser heat exchanger (27), and then flows to the evaporator (4) via the refrigerant pipe (17). Then, the refrigerant liquid exchanges heat with water in the cold water pipe (22) to evaporate, and the water in the cold water pipe (22) is cooled by heat of vaporization. Then, cold water is circulated through the load to perform the cooling operation. Further, the refrigerant evaporated in the evaporator (4) absorbs the refrigerant (5).
Is absorbed by the absorbent. Then, the absorption liquid having a reduced concentration 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). . The absorbent entering the high-temperature regenerator (1) is heated by the burner (1B), the refrigerant evaporates, and the medium-concentration absorbent enters the low-temperature regenerator (2) via the high-temperature heat exchanger (7). The absorbing liquid is heated by the refrigerant vapor flowing from the high temperature regenerator (1) through the refrigerant pipe (16),
Further, the refrigerant is vaporized and separated to increase the concentration. The absorption liquid having a high concentration (hereinafter referred to as a concentrated liquid) decreases in temperature through a low-temperature heat exchanger (6) and flows to the absorber (5) to be 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 chilled water outlet temperature, and outputs an opening signal to the heating amount control valve (21). Then, 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、夏以外の外気
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℃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。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
℃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）はカウントアップすると共にリ
セットされる。そして、タイマ装置（35）のカウントア
ッ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。The heating amount of the high temperature regenerator (1) is controlled as described above,
Although the absorption chiller is operated, for example, even when the outside air temperature is low except during summer, the absorption chiller is operated and the air-conditioning operation is performed due to congestion in a room such as a store. At this time, as shown in FIG. 2, when the cooling water inlet temperature of the absorber (5) is lower than 19 ° C., control is performed based on the signal from the second temperature sensor (32). The device (34) operates and the timer device (35) starts counting. The cooling water inlet temperature is 19 after the timer device (35) starts counting.
When the temperature is kept below ℃ and a predetermined time (for example, 30 minutes) has elapsed, the timer device (35) counts up and is reset. Then, the control device (34) operates based on the count-up of the timer device (35), outputs a close signal to the heating amount control valve (21), and outputs a signal to the buzzer (36) and the indicator lamp (37). Output, and each sounds and lights up. Then, the absorbent pump (15) is operated for a predetermined time,
After the dilution operation is performed, 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℃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。Further, as described above, if the cooling water inlet temperature is 19 ° C. or lower, the cooling water inlet temperature is 19
When the temperature becomes higher than ° C, the control device operates based on the signal from the second temperature sensor (32). Then, the timer device (35) stops counting and is reset,
The operation of the absorption refrigerator is continued, and the stop of operation is avoided.
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。Furthermore, after the operation of the absorption refrigerator is forcibly stopped as described above, when the user operates the operation switch (S) of the control panel (33), the operation of the absorption refrigerator is started. It 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 absorbing liquid will be generated 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、稀釈運転をした後この
吸収冷凍機の運転を停止するようにしたので、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（26）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-described embodiment, when the controller (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), If the cooling water inlet temperature of the absorber (5) drops, the second
Control device (34) based on the signal from the temperature sensor (32)
And the timer device (35) starts counting. When the cooling water inlet temperature continues to be low for a predetermined time, the control device (34) operates, and after the dilution operation, the operation of this absorption refrigerator is stopped so that the concentration of the absorption liquid gradually rises. Then, the temperature of the concentrated liquid is lowered in the low temperature heat exchanger (6) in which the absorption liquid having a low temperature flowing out from the absorber (5) and the concentrated liquid flowing out from the low temperature regenerator (2) exchange heat with each other,
It is possible to prevent the generation of crystals on the absorption liquid inlet side of the low temperature heat exchanger (6) where the temperature is the lowest. It is also possible to prevent the concentrated liquid sprinkled on the heat exchanger (26) from crystallizing in the absorber (5).
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。When the cooling water inlet temperature is low for a predetermined time, the buzzer (36) and the indicator light (37) operate.
The user can be informed of the cooling water inlet temperature decrease.
（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、稀釈運転の後に吸収冷凍機の運転
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績係数の低下、
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,
A cooling water temperature detector that detects the cooling water temperature of the absorber, and a control device that operates when the cooling water temperature falls below a predetermined temperature and outputs an operation stop signal when a predetermined time has passed, When the cooling water temperature remains below the specified temperature for the specified time, the absorption chiller operation is forcibly stopped after the dilution operation to prevent the absorption liquid crystal formation in the heat exchanger, etc. Degradation of coefficient of performance of refrigerators,
Also, it is possible to prevent the occurrence of a failure.
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。Further, since the notification device that operates based on the signal from the control device is provided, it is possible to notify the user of the cooling water temperature decrease by the operation of 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 refrigerating machine showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing a time change of the cooling water temperature when the cooling water temperature is lowered. (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 (informing device), (37) …… Indicator (informing device).
Claims (2)
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、前記吸収
液を前記熱交換器で熱交換させた後前記再生器へ送り込
むためのポンプを設け、前記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前記ポ
ンプを所定時間だけ運転継続し稀釈運転を行った後にこ
の吸収冷凍機の運転停止信号を出力する制御装置を備え
たことを特徴とする吸収冷凍機。1. A regenerator, a condenser, an evaporator, an absorber, and a heat exchanger for exchanging heat between the absorbing liquid flowing out of the absorber and the absorbing liquid flowing out of the regenerator are respectively connected by pipes to form the absorbing liquid. In an absorption refrigerating machine having a pump for feeding heat to the regenerator after heat exchange with the heat exchanger, and having a device for controlling the heating amount of the regenerator, cooling for detecting the cooling water temperature of the absorber It operates when the water temperature detector and the cooling water temperature are below a predetermined temperature, and when the predetermined time has passed, the pump continues to run for a predetermined time and performs a dilution operation and then outputs an operation stop signal for this absorption refrigerator. An absorption refrigerating machine comprising a control device for controlling.
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、前記吸収
液を前記熱交換器で熱交換させた後前記再生器へ送り込
むためのポンプを設け、前記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、前記吸収器の冷却水
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
づいて動作しこの吸収冷凍機の使用者に前記ポンプを所
定時間だけ運転継続し稀釈運転を行った後にこの吸収冷
凍機の運転を停止させるための警報を発する報知装置と
を備えたことを特徴とする吸収冷凍機。2. A regenerator, a condenser, an evaporator, an absorber, and a heat exchanger for exchanging heat between the absorbing liquid flowing out of the absorber and the absorbing liquid flowing out of the regenerator, which are connected by pipes, respectively. In an absorption refrigerating machine having a pump for sending heat to the regenerator after heat exchange with the heat exchanger, and having a device for controlling the heating amount of the regenerator, the cooling water temperature of the absorber is detected. A cooling water temperature detector, a control device that operates when the cooling water temperature becomes equal to or lower than a predetermined temperature and outputs a signal when a predetermined time elapses, and operates based on a signal from the control device to operate the absorption refrigerator. An absorption refrigerating machine, comprising: a notification device for giving a warning to a user to stop the operation of the absorption refrigerating machine after continuing the pump operation for a predetermined time and performing a dilution operation.
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 JPH02140562A (en) | 1990-05-30 |
| JP2675367B2 true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06323680A (en) * | 1993-05-10 | 1994-11-25 | Tokyo Gas Co Ltd | Absorption refrigerator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632865Y2 (en) * | 1978-04-04 | 1981-08-04 | ||
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02140562A (en) | 1990-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2560550B2 (en) | Absorption cooling / heating device and control method thereof | |
| JP2675367B2 (en) | Absorption refrigerator | |
| JP3599850B2 (en) | Absorption refrigerator | |
| JP4090135B2 (en) | Control method of absorption refrigerator | |
| JP3081472B2 (en) | Control method of absorption refrigerator | |
| JP3399663B2 (en) | Air conditioner using absorption refrigerator | |
| JP2708900B2 (en) | Absorption refrigerator | |
| JP2654137B2 (en) | Control method of absorption refrigerator | |
| JP2532982B2 (en) | Absorption refrigerator control device | |
| JP2744034B2 (en) | Absorption refrigerator | |
| JP2918665B2 (en) | Operation stop method and stop control device for absorption chiller / chiller / heater | |
| JP2752139B2 (en) | Control device for absorption refrigerator | |
| JP2708881B2 (en) | Absorption refrigerator | |
| JP4090137B2 (en) | Control method of absorption chiller / heater | |
| JP2740210B2 (en) | Control method of absorption refrigerator | |
| JP3945955B2 (en) | Absorption refrigerator | |
| JP2785143B2 (en) | Operating method of absorption refrigerator | |
| JPH0275865A (en) | Controlling method for absorption refrigerator | |
| JP3229464B2 (en) | Air conditioner using absorption refrigerator | |
| JPS6118366Y2 (en) | ||
| JP2657702B2 (en) | Operating method of absorption refrigeration system | |
| JP3118128B2 (en) | Air conditioner using absorption refrigerator | |
| JP3118127B2 (en) | Air conditioner using absorption refrigerator | |
| JPH04295558A (en) | Absorption refrigerator | |
| JP2752131B2 (en) | Control device for absorption refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080718 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080718 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090718 Year of fee payment: 12 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090718 Year of fee payment: 12 |