JPH0719656A - Absorption refrigerator - Google Patents
Absorption refrigeratorInfo
- Publication number
- JPH0719656A JPH0719656A JP5163595A JP16359593A JPH0719656A JP H0719656 A JPH0719656 A JP H0719656A JP 5163595 A JP5163595 A JP 5163595A JP 16359593 A JP16359593 A JP 16359593A JP H0719656 A JPH0719656 A JP H0719656A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- tank
- dilution
- solution
- evaporator
- 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
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
(57)【要約】
【目的】 結晶を防止できる吸収式冷凍機を提供する。
【構成】 吸収器２３と再生器１と凝縮器３と蒸発器６
とからなる吸収式冷凍機において、冷媒タンク７から溶
液タンク１２に至る稀釈管路に冷媒ポンプ１０と稀釈弁
１１とを設ける。稀釈運転時において、冷媒タンク７内
の冷媒液面の高さを検出し、冷媒ポンプ１０を運転する
と共に稀釈弁１１を開き、冷媒タンク７内の冷媒液面の
高さが設定値以下に低下した場合に、５秒遅延させて冷
媒ポンプ１０を停止すると共に稀釈弁１１を閉じるよう
に制御する。
【効果】 溶液の稀釈に際して、冷媒ポンプ１０の停止
及び稀釈弁１１の閉塞を５秒遅延させることにより、蒸
発器６からの液戻りが考慮される。その結果、溶液の稀
釈が確実となり、結晶が生じない。
(57) [Abstract] [Purpose] To provide an absorption refrigerator that can prevent crystals. [Structure] Absorber 23, regenerator 1, condenser 3 and evaporator 6
In the absorption refrigerating machine consisting of and, the refrigerant pump 10 and the dilution valve 11 are provided in the dilution pipe line from the refrigerant tank 7 to the solution tank 12. During the diluting operation, the height of the refrigerant liquid level in the refrigerant tank 7 is detected, the refrigerant pump 10 is operated and the dilution valve 11 is opened, and the height of the refrigerant liquid level in the refrigerant tank 7 drops below the set value. In this case, the refrigerant pump 10 is stopped with a delay of 5 seconds, and the dilution valve 11 is controlled to be closed. [Effect] When diluting the solution, the liquid return from the evaporator 6 is considered by stopping the refrigerant pump 10 and delaying the closing of the dilution valve 11 for 5 seconds. As a result, the solution is surely diluted and crystals are not formed.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、家庭用若しくはその近
辺の小容量の吸収式冷凍機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small capacity absorption refrigerating machine for home use or in the vicinity thereof.
【０００２】[0002]
【従来の技術】吸収器、再生器、凝縮器、蒸発器等から
なる吸収式冷凍機における溶液の稀釈方法としては、例
えば特開平４−２９５５６０号公報に開示されているよ
うに、冷媒ブロー信号により冷媒ポンプを運転すると共
に稀釈弁を開き、冷媒タンク内の冷媒液面の高さが設定
値以下になると冷媒ポンプを停止すると共に稀釈弁を閉
じるようにする方法が提案されている。2. Description of the Related Art As a method for diluting a solution in an absorption refrigerator comprising an absorber, a regenerator, a condenser, an evaporator, etc., a refrigerant blow signal is disclosed, for example, in Japanese Patent Laid-Open No. 4-295560. There is proposed a method in which the refrigerant pump is operated and the dilution valve is opened, and when the height of the liquid surface of the refrigerant in the refrigerant tank becomes equal to or lower than a set value, the refrigerant pump is stopped and the dilution valve is closed.
【０００３】[0003]
【発明が解決しようとする課題】しかし、これでは、冷
媒ポンプ、稀釈弁が閉じられた後、蒸発器に溜まった冷
媒が冷媒タンクに戻って液面が上昇し、確実に設計値ま
で溶液を稀釈することが出来ず、結晶が生じる等の不都
合があった。However, in this case, after the refrigerant pump and the dilution valve are closed, the refrigerant accumulated in the evaporator returns to the refrigerant tank and the liquid level rises, so that the solution is surely brought to the designed value. There was an inconvenience that it could not be diluted and crystals were generated.
【０００４】本発明は、上記事情に鑑み、蒸発器からの
液戻りを考慮した形で制御することにより、溶液の稀釈
を確実に設計値になるようにすることが可能な吸収式冷
凍機を提供することを目的する。In view of the above circumstances, the present invention provides an absorption refrigerating machine capable of ensuring that the dilution of the solution reaches a design value by controlling the liquid return from the evaporator. Intended to provide.
【０００５】[0005]
【課題を解決するための手段】即ち、本発明は、吸収器
（２３）と再生器（１）と凝縮器（３）と蒸発器（６）
とからなる吸収式冷凍機において、前記吸収器から導出
される稀溶液を貯溜する溶液タンク（１２）と、前記蒸
発器内の冷媒を貯溜する冷媒タンク（７）とを有し、前
記冷媒タンクから前記溶液タンクに至る稀釈管路に冷媒
ポンプ（１０）と稀釈弁（１１）とを設け、稀釈運転時
において、前記冷媒タンク内の冷媒液面の高さを検出
し、前記冷媒ポンプを運転すると共に前記稀釈弁を開
き、前記冷媒タンク内の冷媒液面の高さが設定値（Ｌｅ
ａ）以下に低下した場合に、所定時間（例えば、５秒）
だけ遅延させて前記冷媒ポンプを停止すると共に前記稀
釈弁を閉じる制御手段（１７）を設けて構成される。That is, the present invention provides an absorber (23), a regenerator (1), a condenser (3) and an evaporator (6).
And a refrigerant tank (7) for storing the refrigerant in the evaporator, and a refrigerant tank (7) for storing the dilute solution discharged from the absorber. A refrigerant pump (10) and a dilution valve (11) are provided in a dilution pipe from the solution tank to the solution tank, and at the time of dilution operation, the height of the refrigerant liquid level in the refrigerant tank is detected to operate the refrigerant pump. At the same time, the dilution valve is opened, and the height of the liquid surface of the refrigerant in the refrigerant tank is set to a set value (Le
a) If it falls below, a predetermined time (for example, 5 seconds)
It is constituted by providing a control means (17) for stopping the refrigerant pump with a delay only and closing the dilution valve.
【０００６】また、本発明は、吸収器（２３）と再生器
（１）と凝縮器（３）と蒸発器（６）とからなる吸収式
冷凍機において、前記吸収器から導出される稀溶液を貯
溜する溶液タンク（１２）と、前記蒸発器内の冷媒を貯
溜する冷媒タンク（７）とを有し、前記冷媒タンクから
前記溶液タンクに至る稀釈管路に冷媒ポンプ（１０）と
稀釈弁（１１）とを設け、稀釈運転時において、前記冷
媒タンク内の冷媒液面の高さを検出し、前記冷媒ポンプ
を運転すると共に前記稀釈弁を開き、前記冷媒タンク内
の冷媒液面の高さが設定値（Ｌｅａ）以下に低下した場
合に、前記冷媒ポンプを停止すると共に前記稀釈弁を閉
じ、かつこの動作を所定時間（例えば、３分）だけ繰返
す制御手段（１７）を設けて構成される。Further, according to the present invention, in an absorption refrigerator comprising an absorber (23), a regenerator (1), a condenser (3) and an evaporator (6), a dilute solution derived from the absorber is used. Has a solution tank (12) for storing the refrigerant and a refrigerant tank (7) for storing the refrigerant in the evaporator, and a refrigerant pump (10) and a dilution valve are provided in a dilution pipe line from the refrigerant tank to the solution tank. (11) is provided, the height of the refrigerant liquid level in the refrigerant tank is detected during the dilution operation, the refrigerant pump is operated, and the dilution valve is opened to detect the height of the refrigerant liquid level in the refrigerant tank. And a control means (17) which repeats this operation for a predetermined time (for example, 3 minutes) when the refrigerant pump is stopped and the dilution valve is closed when the value falls below a set value (Lea). To be done.
【０００７】[0007]
【作用】上記した構成により、本発明は、溶液の稀釈に
際して、冷媒ポンプ（１０）の停止及び稀釈弁（１１）
の閉塞を所定時間だけ遅延させることにより、蒸発器
（６）からの液戻りが考慮されるように作用する。With the above construction, the present invention stops the refrigerant pump (10) and the dilution valve (11) when diluting the solution.
By delaying the blockage of 1 by a predetermined time, the liquid return from the evaporator (6) is taken into consideration.
【０００８】また、本発明は、溶液の稀釈に際して、冷
媒ポンプ（１０）の運転・停止動作及び稀釈弁（１１）
の開閉動作を所定時間だけ繰返すことにより、蒸発器
（６）からの液戻りが考慮されるように作用する。Further, according to the present invention, when the solution is diluted, the operation / stop operation of the refrigerant pump (10) and the dilution valve (11) are performed.
By repeating the opening / closing operation of (1) for a predetermined time, the liquid return from the evaporator (6) is considered.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００１０】図１は家庭用などの小容量の水−リチウム
塩系の吸収式冷凍機に関し、吸収器、凝縮器は空冷若し
くは水空冷方式の構造をもつ冷凍サイクル系統図であ
り、１は下部に冷房用燃焼機２を配設した再生器で、該
再生器１に冷媒蒸気を導く凝縮器３を配管４にて連設
し、該凝縮器３の下部に接続した冷媒液の配管５の先端
を蒸発器６の下部に有する冷媒溜りとなる冷媒タンク７
に接続する。この冷媒タンク７の内部には液面位検知器
となるフロートセンサー８を備え、設定値Ｌｅａを検知
する。また、蒸発器６への配管９には冷媒ポンプ１０と
その出口側に稀釈弁１１を設け溶液タンク１２へ導くバ
イパス路を持ってなり、この溶液タンク１２より導出の
稀溶液配管１３には溶液ポンプ１４と稀溶液弁１５を介
して溶液熱交換器１６を接続し、この先端を前記再生器
１に戻る配管とする。１７は前記フロートセンサー８と
冷媒ポンプ１０と稀釈弁１１を連絡してなる制御器であ
る。１８は再生器１の側部に設けた再生器フロートセン
サーである。FIG. 1 relates to a small capacity water-lithium salt type absorption refrigerator for household use, etc., and is a refrigeration cycle system diagram in which an absorber and a condenser have an air-cooled or water-air-cooled structure. In the regenerator in which the cooling combustor 2 is disposed, a condenser 3 for guiding the refrigerant vapor to the regenerator 1 is connected by a pipe 4 and a refrigerant liquid pipe 5 connected to a lower portion of the condenser 3 Refrigerant tank 7 having a tip at the bottom of evaporator 6 and serving as a refrigerant reservoir
Connect to. A float sensor 8 serving as a liquid level detector is provided inside the refrigerant tank 7 to detect the set value Lea. The pipe 9 to the evaporator 6 is provided with a refrigerant pump 10 and a dilution valve 11 on the outlet side thereof to have a bypass passage leading to the solution tank 12. The dilute solution pipe 13 led out from the solution tank 12 is provided with a solution. A solution heat exchanger 16 is connected via a pump 14 and a dilute solution valve 15, and the tip of this is used as a pipe for returning to the regenerator 1. Reference numeral 17 is a controller which connects the float sensor 8, the refrigerant pump 10 and the dilution valve 11. Reference numeral 18 denotes a regenerator float sensor provided on the side of the regenerator 1.
【００１１】次にこの作用を説明すると、まず再生器１
にて、稀溶液は冷房用燃焼機２により加熱されて沸騰
し、濃溶液と冷媒蒸気を生ずる。この濃溶液は、濃溶液
配管１９と同配管中に並列に配置した濃溶液弁２０とオ
リフィス２１を通って溶液熱交換器１６に入る。更に、
濃溶液配管１９を通って濃溶液分配装置２２により吸収
器２３の伝熱管内に分配される。この吸収器２３内で濃
溶液は前記蒸発器６で蒸発し配管２４を通って導入され
た冷媒蒸気を吸収し、稀溶液となって配管２５を通って
稀溶液溜りである溶液タンク１２に入る。稀溶液は稀溶
液配管１３とその途中に設置された溶液ポンプ１４、稀
溶液弁１５、溶液熱交換器１６を通って再び再生器１に
戻る。Next, this operation will be described. First, the regenerator 1
At this point, the dilute solution is heated by the cooling combustor 2 and boiled to generate a concentrated solution and a refrigerant vapor. The concentrated solution enters the solution heat exchanger 16 through a concentrated solution valve 20 and an orifice 21 arranged in parallel with the concentrated solution pipe 19 in the same pipe. Furthermore,
The concentrated solution is distributed into the heat transfer tubes of the absorber 23 by the concentrated solution distributor 22 through the concentrated solution pipe 19. In this absorber 23, the concentrated solution evaporates in the evaporator 6 and absorbs the refrigerant vapor introduced through the pipe 24, becomes a dilute solution, and enters the solution tank 12 which is a dilute solution reservoir through the pipe 25. . The dilute solution returns to the regenerator 1 again through the dilute solution pipe 13, the solution pump 14 installed in the middle thereof, the dilute solution valve 15, and the solution heat exchanger 16.
【００１２】一方、冷媒は再生器１で蒸発し配管４を通
って凝縮器３にて冷却され液化して冷媒液となる。冷媒
液は配管５により冷媒液溜りである冷媒タンク７に入
る。冷媒タンク７内の冷媒液は配管９を通って冷媒ポン
プ１０により冷媒散布装置２６から蒸発器６の伝熱管上
に散布される。冷媒液はこの伝熱管上で蒸発して冷水入
口管２７より入ってくる冷水を冷やし、冷水出口管２８
より送り出す。この冷水を室内の冷房に用いる。蒸発し
た冷媒蒸気は配管２４を通って吸収器２３に入り、吸収
される。On the other hand, the refrigerant evaporates in the regenerator 1, passes through the pipe 4, is cooled in the condenser 3 and is liquefied to become a refrigerant liquid. The refrigerant liquid enters the refrigerant tank 7 which is a refrigerant liquid reservoir through the pipe 5. The refrigerant liquid in the refrigerant tank 7 is sprayed through the pipe 9 by the refrigerant pump 10 from the refrigerant spraying device 26 onto the heat transfer tubes of the evaporator 6. The refrigerant liquid evaporates on this heat transfer tube and cools the cold water that enters from the cold water inlet tube 27, and the cold water outlet tube 28
Send out more. This cold water is used for indoor cooling. The evaporated refrigerant vapor enters the absorber 23 through the pipe 24 and is absorbed.
【００１３】ここにおいて、図２の冷房運転制御プログ
ラムに示す通り、冷媒ブロー信号（外部操作信号若しく
は濃度計等の信号など）により制御器１７が作動して冷
媒ポンプ１０が運転されると同時に稀釈弁１１が開き、
冷媒タンク７内の冷媒を溶液タンク１２に送り、溶液タ
ンク１２内の溶液を稀釈する。この稀釈運転によって冷
媒タンク７内の冷媒液面が低下するが、フロートセンサ
ー８によって冷媒液面が設定値Ｌｅａ以下になったと判
断されると、それから５秒後に、冷媒ポンプ１０を停止
すると同時に稀釈弁１１を閉じる。この５秒遅延によっ
て、蒸発器６からの液戻りが考慮され、液面制御の精度
が向上する。そして、３分以内は、冷媒ポンプ１０のＯ
Ｎ／ＯＦＦと稀釈弁１１の開閉が繰返されるので、液面
制御の精度が一層向上する。Here, as shown in the cooling operation control program of FIG. 2, the controller 17 is operated by the refrigerant blow signal (such as an external operation signal or a signal from a densitometer) to operate the refrigerant pump 10 and at the same time dilute. Valve 11 opens,
The refrigerant in the refrigerant tank 7 is sent to the solution tank 12, and the solution in the solution tank 12 is diluted. Although the liquid level of the refrigerant in the refrigerant tank 7 is lowered by this dilution operation, when the float sensor 8 determines that the liquid level of the refrigerant becomes less than or equal to the set value Lea, 5 seconds after that, the refrigerant pump 10 is stopped and the dilution is performed at the same time. Close valve 11. Due to this delay of 5 seconds, the liquid return from the evaporator 6 is taken into consideration, and the accuracy of liquid level control is improved. And, within 3 minutes, O of the refrigerant pump 10
Since N / OFF and opening / closing of the dilution valve 11 are repeated, the accuracy of liquid level control is further improved.
【００１４】[0014]
【発明の効果】以上説明したように、本発明によれば、
吸収器２３と再生器１と凝縮器３と蒸発器６とからなる
吸収式冷凍機において、前記吸収器２３から導出される
稀溶液を貯溜する溶液タンク１２と、前記蒸発器６内の
冷媒を貯溜する冷媒タンク７とを有し、前記冷媒タンク
７から前記溶液タンク１２に至る稀釈管路に冷媒ポンプ
１０と稀釈弁１１とを設け、稀釈運転時において、前記
冷媒タンク７内の冷媒液面の高さを検出し、前記冷媒ポ
ンプ１０を運転すると共に前記稀釈弁１１を開き、前記
冷媒タンク７内の冷媒液面の高さが設定値Ｌｅａ以下に
低下した場合に、所定時間（例えば、５秒）だけ遅延さ
せて前記冷媒ポンプ１０を停止すると共に前記稀釈弁１
１を閉じる制御器１７等の制御手段を設けて構成したの
で、溶液の稀釈に際して、冷媒ポンプ１０の停止及び稀
釈弁１１の閉塞を所定時間だけ遅延させることにより、
蒸発器６からの液戻りが考慮されることから、溶液の稀
釈を確実に行なうことが可能となり、結晶が生じる事態
の発生を未然に防止することが出来る。As described above, according to the present invention,
In an absorption refrigerator comprising an absorber 23, a regenerator 1, a condenser 3 and an evaporator 6, a solution tank 12 for storing the dilute solution discharged from the absorber 23 and a refrigerant in the evaporator 6 are A refrigerant tank 7 for storing the refrigerant is provided, and a refrigerant pump 10 and a dilution valve 11 are provided in a dilution pipe line from the refrigerant tank 7 to the solution tank 12, and a refrigerant liquid level in the refrigerant tank 7 is provided during a dilution operation. Is detected, the refrigerant pump 10 is operated and the dilution valve 11 is opened, and when the height of the refrigerant liquid level in the refrigerant tank 7 drops below a set value Lea, a predetermined time (for example, 5 seconds), the refrigerant pump 10 is stopped and the dilution valve 1
Since the control means such as the controller 17 for closing 1 is provided, when the solution is diluted, the stop of the refrigerant pump 10 and the closing of the dilution valve 11 are delayed by a predetermined time.
Since the liquid return from the evaporator 6 is taken into consideration, it is possible to surely dilute the solution, and it is possible to prevent the occurrence of the occurrence of crystals.
【００１５】また、本発明によれば、吸収器２３と再生
器１と凝縮器３と蒸発器６とからなる吸収式冷凍機にお
いて、前記吸収器２３から導出される稀溶液を貯溜する
溶液タンク１２と、前記蒸発器６内の冷媒を貯溜する冷
媒タンク７とを有し、前記冷媒タンク７から前記溶液タ
ンク１２に至る稀釈管路に冷媒ポンプ１０と稀釈弁１１
とを設け、稀釈運転時において、前記冷媒タンク７内の
冷媒液面の高さを検出し、前記冷媒ポンプ１０を運転す
ると共に前記稀釈弁１１を開き、前記冷媒タンク７内の
冷媒液面の高さが設定値Ｌｅａ以下に低下した場合に、
前記冷媒ポンプ１０を停止すると共に前記稀釈弁１１を
閉じ、かつこの動作を所定時間（例えば、３分）だけ繰
返す制御器１７等の制御手段を設けて構成したので、溶
液の稀釈に際して、冷媒ポンプ１０の運転・停止動作及
び稀釈弁１１の開閉動作を所定時間だけ繰返すことによ
り、蒸発器６からの液戻りが考慮されることから、溶液
の稀釈を確実に行なうことが可能となり、結晶が生じる
事態の発生を未然に防止することが出来る。Further, according to the present invention, in the absorption refrigerator comprising the absorber 23, the regenerator 1, the condenser 3 and the evaporator 6, the solution tank for storing the dilute solution discharged from the absorber 23. 12 and a refrigerant tank 7 that stores the refrigerant in the evaporator 6, and a refrigerant pump 10 and a dilution valve 11 are provided in a dilution pipe line from the refrigerant tank 7 to the solution tank 12.
And the height of the refrigerant liquid level in the refrigerant tank 7 is detected during the dilution operation, the refrigerant pump 10 is operated, and the dilution valve 11 is opened to detect the refrigerant liquid level in the refrigerant tank 7. If the height drops below the set value Lea,
Since the refrigerant pump 10 is stopped, the dilution valve 11 is closed, and a control means such as a controller 17 that repeats this operation for a predetermined time (for example, 3 minutes) is provided, the refrigerant pump is used when diluting the solution. By repeating the operation / stop operation of 10 and the opening / closing operation of the dilution valve 11 for a predetermined time, since the liquid return from the evaporator 6 is taken into consideration, it becomes possible to surely dilute the solution and to form crystals. It is possible to prevent a situation from occurring.
【図１】本発明による吸収式冷凍機の一実施例を示す概
略図である。FIG. 1 is a schematic view showing an embodiment of an absorption refrigerator according to the present invention.
【図２】冷房運転制御プログラムの一例を示すフローチ
ャートである。FIG. 2 is a flowchart showing an example of a cooling operation control program.
１……再生器 ３……凝縮器 ６……蒸発器 ７……冷媒タンク １０……冷媒ポンプ １１……稀釈弁 １２……溶液タンク １７……制御手段（制御器） ２３……吸収器 1 ... Regenerator 3 ... Condenser 6 ... Evaporator 7 ... Refrigerant tank 10 ... Refrigerant pump 11 ... Dilution valve 12 ... Solution tank 17 ... Control means (controller) 23 ... Absorber
───────────────────────────────────────────────────── フロントページの続き (72)発明者 加藤 昇三 大阪府守口市京阪本通２丁目18番地 三洋 電機株式会社内 (72)発明者 高瀬 保夫 大阪府守口市京阪本通２丁目18番地 三洋 電機株式会社内 (72)発明者 田島 一弘 大阪府守口市京阪本通２丁目18番地 三洋 電機株式会社内 (72)発明者 宮本 哲雄 大阪府守口市京阪本通２丁目18番地 三洋 電機株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shozo Kato 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. (72) Inventor Yasuo Takase 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Denki Incorporated (72) Inventor Kazuhiro Tajima 2-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Tetsuo Miyamoto 2-18-2 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.
Claims (2)
なる吸収式冷凍機において、 前記吸収器から導出される稀溶液を貯溜する溶液タンク
と、前記蒸発器内の冷媒を貯溜する冷媒タンクとを有
し、 前記冷媒タンクから前記溶液タンクに至る稀釈管路に冷
媒ポンプと稀釈弁とを設け、 稀釈運転時において、前記冷媒タンク内の冷媒液面の高
さを検出し、前記冷媒ポンプを運転すると共に前記稀釈
弁を開き、前記冷媒タンク内の冷媒液面の高さが設定値
以下に低下した場合に、所定時間だけ遅延させて前記冷
媒ポンプを停止すると共に前記稀釈弁を閉じる制御手段
を設けたことを特徴とする吸収式冷凍機。1. An absorption refrigerator comprising an absorber, a regenerator, a condenser, and an evaporator, and a solution tank for storing the dilute solution discharged from the absorber, and a refrigerant in the evaporator. A refrigerant tank is provided, and a refrigerant pump and a dilution valve are provided in the dilution pipe from the refrigerant tank to the solution tank, and during the dilution operation, the height of the refrigerant liquid level in the refrigerant tank is detected, and When the refrigerant pump is operated and the dilution valve is opened, when the height of the refrigerant liquid level in the refrigerant tank falls below a set value, the refrigerant valve is stopped by delaying it by a predetermined time and the dilution valve is opened. An absorption refrigerator having a closing control means.
なる吸収式冷凍機において、 前記吸収器から導出される稀溶液を貯溜する溶液タンク
と、前記蒸発器内の冷媒を貯溜する冷媒タンクとを有
し、 前記冷媒タンクから前記溶液タンクに至る稀釈管路に冷
媒ポンプと稀釈弁とを設け、 稀釈運転時において、前記冷媒タンク内の冷媒液面の高
さを検出し、前記冷媒ポンプを運転すると共に前記稀釈
弁を開き、前記冷媒タンク内の冷媒液面の高さが設定値
以下に低下した場合に、前記冷媒ポンプを停止すると共
に前記稀釈弁を閉じ、かつこの動作を所定時間だけ繰返
す制御手段を設けたことを特徴とする吸収式冷凍機。2. An absorption refrigerator comprising an absorber, a regenerator, a condenser, and an evaporator, and a solution tank for storing the dilute solution discharged from the absorber, and a refrigerant in the evaporator. A refrigerant tank is provided, and a refrigerant pump and a dilution valve are provided in the dilution pipe from the refrigerant tank to the solution tank, and during the dilution operation, the height of the refrigerant liquid level in the refrigerant tank is detected, and When the refrigerant pump is operated and the dilution valve is opened, and when the height of the refrigerant liquid level in the refrigerant tank falls below a set value, the refrigerant pump is stopped and the dilution valve is closed, and this operation is performed. An absorption chiller comprising control means for repeating a predetermined time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16359593A JP3331678B2 (en) | 1993-07-01 | 1993-07-01 | Absorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16359593A JP3331678B2 (en) | 1993-07-01 | 1993-07-01 | Absorption refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0719656A true JPH0719656A (en) | 1995-01-20 |
| JP3331678B2 JP3331678B2 (en) | 2002-10-07 |
Family
ID=15776911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16359593A Expired - Fee Related JP3331678B2 (en) | 1993-07-01 | 1993-07-01 | Absorption refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3331678B2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602858A (en) * | 1983-06-20 | 1985-01-09 | 株式会社荏原製作所 | Absorption refrigerator |
| JPH04295560A (en) * | 1991-03-25 | 1992-10-20 | Tokyo Gas Co Ltd | Absorption refrigerator |
| JPH04306465A (en) * | 1991-04-02 | 1992-10-29 | Yazaki Corp | absorption refrigerator |
| JPH04340066A (en) * | 1991-01-29 | 1992-11-26 | Hitachi Ltd | Absorption air conditioning system |
-
1993
- 1993-07-01 JP JP16359593A patent/JP3331678B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602858A (en) * | 1983-06-20 | 1985-01-09 | 株式会社荏原製作所 | Absorption refrigerator |
| JPH04340066A (en) * | 1991-01-29 | 1992-11-26 | Hitachi Ltd | Absorption air conditioning system |
| JPH04295560A (en) * | 1991-03-25 | 1992-10-20 | Tokyo Gas Co Ltd | Absorption refrigerator |
| JPH04306465A (en) * | 1991-04-02 | 1992-10-29 | Yazaki Corp | absorption refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3331678B2 (en) | 2002-10-07 |
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|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |