JPS63233274A - Automatic bleeding device for absorption type refrigerator - Google Patents
Automatic bleeding device for absorption type refrigeratorInfo
- Publication number
- JPS63233274A JPS63233274A JP6382087A JP6382087A JPS63233274A JP S63233274 A JPS63233274 A JP S63233274A JP 6382087 A JP6382087 A JP 6382087A JP 6382087 A JP6382087 A JP 6382087A JP S63233274 A JPS63233274 A JP S63233274A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- air
- condensable gas
- machine
- pressure
- 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 description 16
- 230000000740 bleeding effect Effects 0.000 title 1
- 238000000605 extraction Methods 0.000 claims description 14
- 230000007257 malfunction Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007488 abnormal function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は吸収式冷凍機の内の不凝縮ガスを機外へ排出さ
せる自動抽気装置に係り、特に冷凍機の故障の原因とな
る機内への空気の漏洩を把握するに好適な吸収式冷凍機
の自動抽気装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automatic air extraction device for discharging non-condensable gas inside an absorption chiller to the outside of the machine, and in particular to an automatic air bleed device for discharging non-condensable gas from an absorption chiller to the inside of the machine, which can cause malfunctions of the chiller. The present invention relates to an automatic air extraction device for an absorption chiller suitable for detecting air leakage.
周知の通り、一般の吸収式冷凍機においては、機内の不
凝縮ガスを機外へ排出させる自動抽気装置を備えている
が、その自動抽気装置により機内の不凝縮ガスを抽気し
ている過程で機内に空気が漏洩することがある。もし、
冷凍機内への漏洩空気量が多くなると冷凍サイクルに異
常をきたして故障が生じ、場合によっては結晶等が生ず
る重大事故につながる恐れがある。従って、冷凍機の故
障を未然に防ぐには、機内への漏洩空気の有無および漏
洩空気量がどの程度になっているかを事前に知っておく
必要がある。As is well known, general absorption chillers are equipped with an automatic bleed device that discharges non-condensable gas inside the machine to the outside. Air may leak into the cabin. if,
If the amount of air leaking into the refrigerator increases, the refrigeration cycle may become abnormal and malfunction, and in some cases, it may lead to serious accidents such as the formation of crystals. Therefore, in order to prevent refrigerator failures, it is necessary to know in advance whether or not there is air leaking into the refrigerator and the amount of leaked air.
従来の吸収式冷凍機の自動抽気装置は、機内の不凝縮ガ
スを一時的に貯えておくタンクと、そのタンク内の圧力
を検出し該圧力が所定圧力になると信号を出力する検出
器と、前記タンク内の不凝縮ガスを機外へ排出するため
の抽気配管および油気用駆動装置とを備え、前記検出器
から信号が出力されると抽気用駆動装置が作動してタン
ク内の不凝縮ガスを抽気配管を通して機外へ排出させる
構造となっている。しかし、機内への空気漏洩と直接関
係する抽気回数を記録する点については配慮されていな
かった。なお、この種の装置として関連するものには、
特開昭６０−１９６５７２号が挙げられる。The automatic extraction system for conventional absorption chillers includes a tank that temporarily stores non-condensable gas inside the machine, a detector that detects the pressure inside the tank and outputs a signal when the pressure reaches a predetermined pressure. It is equipped with an air bleed pipe and an oil drive device for discharging the non-condensable gas in the tank to the outside of the machine, and when a signal is output from the detector, the air bleed drive device is activated to remove the non-condensable gas in the tank. The structure is such that gas is discharged outside the machine through bleed piping. However, no consideration was given to recording the number of air bleeds, which is directly related to air leakage into the cabin. Additionally, related devices of this type include:
JP-A-60-196572 is mentioned.
」−記従来技術は、機内への空気漏洩と直接関係する抽
気回数を記録する点については配慮がされておらず、機
内への漏洩空気の有無および漏洩空気量がどの程度にな
っているかを把握することは不可能であった。その結果
、冷凍機が故障した時点で、漏洩空気量の調査を行って
いるのが現状である。” - The conventional technology does not take into consideration the point of recording the number of air bleeds, which is directly related to air leakage into the cabin, and it is difficult to record whether or not there is air leaking into the cabin and the amount of leaked air. It was impossible to figure it out. As a result, the current situation is to investigate the amount of leaked air when a refrigerator breaks down.
本発明の［１的は、油気回数を記録することにより冷凍
機内への漏洩空気の有無およびその漏洩程度を事前に把
握できるようにして、冷凍機の故障を未然に防止するこ
とができる吸収式冷凍機の自動抽気装置を提供すること
にある。[1] The first object of the present invention is to record the number of times air leaks into the refrigerator so that the presence or absence of air leakage into the refrigerator and the degree of leakage can be known in advance, thereby preventing refrigerator malfunctions. An object of the present invention is to provide an automatic air extraction device for a type refrigerator.
上記目的は、吸収式冷凍機内の不凝縮ガスを一時的に貯
えておくタンクと、そのタンク内の圧力を検出する検出
器と、前記タンク内の不凝縮ガスを機外へ排出するため
抽気配管および排気用ポンプとを備え、前記タンク内の
圧力が設定圧力具」二になると前記検出器からの信号に
より排気用ポンプが作動してタンク内の不凝縮ガスを抽
気配管を通して機外へ排出させるようにして成る吸収式
冷凍機の自動抽気装置において、前記排気用ポンプが作
動した度数（回数）を記録するカウンターを設けること
により、達成される。The above purpose is to provide a tank to temporarily store the non-condensable gas in the absorption chiller, a detector to detect the pressure inside the tank, and a bleed pipe to discharge the non-condensable gas in the tank to the outside of the machine. and an exhaust pump, and when the pressure in the tank reaches a set pressure of 2, the exhaust pump is activated by a signal from the detector to discharge the non-condensable gas in the tank to the outside of the machine through the bleed pipe. This can be achieved by providing an automatic extraction system for an absorption refrigerating machine constructed as described above with a counter that records the number of times the evacuation pump is activated.
排気用ポンプが作動する毎に、その回数がカウンターに
より記録される。この記録により抽気頻度、油気回数の
経年的変化、油気量の定量的な把握が可能となる。従っ
て、正常な機械の抽気頻度。Each time the evacuation pump operates, the number of times is recorded by a counter. This record makes it possible to quantitatively understand the frequency of air extraction, changes in the number of oil extractions over time, and the amount of oil. Therefore, normal machine bleed frequency.
抽気回数の経年変化、抽気量のデータを予め採集してお
き、これと対象となる機械とのデータを比較することで
、空気の漏洩の有無および漏洩空気量を事前に確認でき
ることになり、冷凍機の故障を未然に防止できる。By collecting data on changes in the number of air bleeds over time and the amount of air bleed in advance, and comparing this data with the data from the target machine, it is possible to check in advance whether there is any air leakage and the amount of leaked air. Machine breakdowns can be prevented.
以下、本発明の一実施例を図面により説明する。 An embodiment of the present invention will be described below with reference to the drawings.
図は本発明による吸収式冷凍機の自動抽気装置の系統図
を示している。この自動抽気装置は、吸収式冷凍機１内
の不凝縮ガスを抽気配管３を通して一時的に貯えておく
タンク２と、そのタンク２内の不凝縮ガスを機外へ排出
させるための電磁弁５付の抽気配管４と、その抽気配管
４に接続する排気用真空ポンプ６と、前記タンク２内の
圧力を検出する圧力検出器７と、カウンター８とを備え
ている。前記の真空ポンプ６の作動用接点６ａおよび電
磁片５の作動用接点５ａは操作盤内部の制御回路９に設
けられていて、接点６ａの人、切で真空ポンプ６の起動
、停止が行われ、また接点５ａの人、切で電磁弁５の開
、閉が行われる。また、接点６ａ、５ａは前記圧力検出
器７に連動されていて、前記タンク２内の圧力が設定圧
力以上になると圧力検出器７からの信号により同時に「
入」に切換わるようになっている。前記カウンター８は
制御回路９内に設けられていて、真空ポンプ６の接点６
ａおよび電磁弁５の接点５ａの人、切の回数を記録する
ようになっている。なお、図中１０はオイルトラップを
示す。The figure shows a system diagram of an automatic extraction device for an absorption refrigerator according to the present invention. This automatic bleed system includes a tank 2 for temporarily storing non-condensable gas in an absorption chiller 1 through a bleed pipe 3, and a solenoid valve 5 for discharging the non-condensable gas in the tank 2 to the outside of the machine. The tank 2 includes an attached air bleed pipe 4, an exhaust vacuum pump 6 connected to the air bleed pipe 4, a pressure detector 7 for detecting the pressure inside the tank 2, and a counter 8. The operating contact 6a of the vacuum pump 6 and the operating contact 5a of the electromagnetic piece 5 are provided in a control circuit 9 inside the operation panel, and the vacuum pump 6 is started or stopped by turning off the contact 6a. , and the solenoid valve 5 is opened and closed by turning the contact 5a on and off. Further, the contacts 6a and 5a are linked to the pressure detector 7, and when the pressure in the tank 2 exceeds the set pressure, a signal from the pressure detector 7 simultaneously outputs "
"On". The counter 8 is provided in the control circuit 9 and is connected to the contact 6 of the vacuum pump 6.
a and the number of times the contact point 5a of the solenoid valve 5 is turned off is recorded. Note that 10 in the figure indicates an oil trap.
次に本実施例の作用について説明する。Next, the operation of this embodiment will be explained.
吸収式冷凍機１内の不凝縮ガスＧは抽気配管３を通って
タンク２に導かれる。このタンク２内は予め真空ポンプ
６により抽気されて７５０ ｍｍ Ｈｇａｂｓ ８度の
真空に保たれているが、前記不凝縮ガスＧが貯えられる
に従い圧力が上昇してくる。そしてタンク２内の圧力が
設定値以上になると圧力検出器７からの信号により真空
ポンプ６の接点６ａおよび電磁弁５の接点５ａが「入」
となり、真空ポンプ６が運転されると共に電磁弁５が開
く。The non-condensable gas G in the absorption refrigerator 1 is led to the tank 2 through the bleed pipe 3. The inside of this tank 2 is previously evacuated by a vacuum pump 6 and maintained at a vacuum of 750 mm Hgabs and 8 degrees, but as the non-condensable gas G is stored, the pressure increases. When the pressure inside the tank 2 exceeds the set value, a signal from the pressure detector 7 turns on the contacts 6a of the vacuum pump 6 and the contacts 5a of the solenoid valve 5.
As a result, the vacuum pump 6 is operated and the solenoid valve 5 is opened.
これによりタンク２内の不凝縮ガスは抽気配管４゜電磁
弁５．オイルトラップ１０．真空ポンプ６を経由して機
外に排出されていく。この抽気によりタンク２内の圧力
が初期の７５０ ■Ｈｇａｂｓ程度になると、真空ポン
プ６の接点６ａおよび電磁弁５の接点５ａが同時に「切
」となって真空ポンプ６が停止すると共に電磁弁５が閉
じる。そして再びタンク２内に不凝縮ガスが導かれるこ
とにより、」二記の動作を繰り返し行う。一方、真空ポ
ンプ６の接点６ａおよび電磁弁５の接点５ａの人、切の
回数、すなわち油気回数（度数）がカウンター８により
記録される。この記録により油気頻度、抽気回数の経年
的変化、油気量の定量的な把握が可能となる。従って、
正常な機械の油気頻度、油気回数の経年変化、油気量の
データを予め採隻しておき、これと対象となる機械との
データを比較することにより、空気の漏洩の有無、漏洩
空気景を事前に確認できることになり、結晶等が生じる
重大事故を含む冷凍機の故障を未然に防ＩＩユできる。As a result, the non-condensable gas in the tank 2 is removed from the bleed pipe 4° solenoid valve 5. Oil trap 10. It is discharged outside the machine via the vacuum pump 6. When the pressure inside the tank 2 reaches the initial level of about 750 Hgabs due to this air extraction, the contact 6a of the vacuum pump 6 and the contact 5a of the solenoid valve 5 are simultaneously turned off, and the vacuum pump 6 is stopped and the solenoid valve 5 is turned off. close. Then, by introducing the non-condensable gas into the tank 2 again, the operations described in "2" are repeated. On the other hand, the counter 8 records the number of times the contact point 6a of the vacuum pump 6 and the contact point 5a of the solenoid valve 5 are turned off, that is, the number of times (degrees) the contact point 6a of the vacuum pump 6 and the contact point 5a of the solenoid valve 5 are turned off. This record makes it possible to quantitatively understand changes in the frequency of oil extraction, the number of times of extraction over time, and the amount of oil. Therefore,
By collecting data on normal machinery's oil frequency, changes in oil frequency over time, and oil amount in advance, and comparing this data with the data of the target machine, we can determine whether there is an air leak or not. The aerial view can be confirmed in advance, making it possible to prevent refrigerator malfunctions, including serious accidents resulting in crystals, etc.
なお、上記実施例は真空ポンプ６および電磁弁５を用い
た自動抽気装置の例を示したが、排気用ポンプとしてエ
ジェクター等を使用した自動抽気装置にも適用できるこ
とは勿論である。Although the above-mentioned embodiment shows an example of an automatic air bleeder using the vacuum pump 6 and the electromagnetic valve 5, it is of course applicable to an automatic air bleeder that uses an ejector or the like as an evacuation pump.
本発明によれば、抽気回数を記録することにより冷凍機
内への漏洩空気の有無およびその漏洩程度を事前に把握
でき、これにより冷凍機の故障を未然に防止できる。According to the present invention, by recording the number of air bleeds, it is possible to know in advance whether or not there is air leaking into the refrigerator and the extent of the leakage, thereby making it possible to prevent malfunctions of the refrigerator.
図面は本発明の吸収式冷凍機の自動抽気装置の一実施例
を示す系統図である。
１・・・吸収式冷凍機、２・・・タンク、４・・・抽気
配管、５・・・電磁弁、５ａ・・・接点、６・・・真空
ポンプ、６ａ・・・接点、７・・・圧力検出器、８・・
・カウンター。The drawing is a system diagram showing an embodiment of an automatic extraction device for an absorption chiller according to the present invention. DESCRIPTION OF SYMBOLS 1... Absorption refrigerator, 2... Tank, 4... Bleed piping, 5... Solenoid valve, 5a... Contact, 6... Vacuum pump, 6a... Contact, 7... ...Pressure detector, 8...
·counter.
Claims (1)
タンクと、そのタンク内の圧力を検出する検出器と、前
記タンク内の不凝縮ガスを機外へ排出するため抽気配管
および排気用ポンプとを備え、前記タンク内の圧力が設
定圧力以上になると前記検出器からの信号により排気用
ポンプが作動してタンク内の不凝縮ガスを抽気配管を通
して機外へ排出させるようにして成る吸収式冷凍機の自
動抽気装置において、前記排気用ポンプが作動した度数
（回数）を記録するカウンターを設けたことを特徴とす
る吸収式冷凍機の自動抽気装置。1. A tank to temporarily store the non-condensable gas inside the absorption chiller, a detector to detect the pressure inside the tank, and bleed piping and exhaust to discharge the non-condensable gas in the tank to the outside of the machine. When the pressure in the tank exceeds the set pressure, the exhaust pump is activated by a signal from the detector to discharge the non-condensable gas in the tank to the outside of the machine through the bleed pipe. An automatic air extraction device for an absorption chiller, characterized in that the automatic air extraction device for an absorption chiller is provided with a counter for recording the number of times the evacuation pump operates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62063820A JPH0723824B2 (en) | 1987-03-20 | 1987-03-20 | Automatic extraction device for absorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62063820A JPH0723824B2 (en) | 1987-03-20 | 1987-03-20 | Automatic extraction device for absorption refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63233274A true JPS63233274A (en) | 1988-09-28 |
| JPH0723824B2 JPH0723824B2 (en) | 1995-03-15 |
Family
ID=13240384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62063820A Expired - Lifetime JPH0723824B2 (en) | 1987-03-20 | 1987-03-20 | Automatic extraction device for absorption refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723824B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02263072A (en) * | 1989-03-31 | 1990-10-25 | Sanyo Electric Co Ltd | Gas extracting device for absorption refrigerator |
| WO2008087731A1 (en) * | 2007-01-18 | 2008-07-24 | Hitachi, Ltd. | Refrigeration cycle system, natural gas liquefying equipment, method of controlling refrigeration cycle system, and method of reconstructing refrigeration cycle system |
| CN108870796A (en) * | 2018-07-03 | 2018-11-23 | 贺吉军 | A kind of lithium bromide refrigerator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421646A (en) * | 1977-07-19 | 1979-02-19 | Yukigaya Sangiyou Kk | Intermitent cutoff apparatus for refrigerating machine |
| JPS60196572A (en) * | 1984-03-16 | 1985-10-05 | 株式会社田熊総合研究所 | Bleeder for absorption type refrigerator and operation method thereof |
| JPS629153A (en) * | 1985-07-05 | 1987-01-17 | 三菱電機株式会社 | Refrigerator |
-
1987
- 1987-03-20 JP JP62063820A patent/JPH0723824B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421646A (en) * | 1977-07-19 | 1979-02-19 | Yukigaya Sangiyou Kk | Intermitent cutoff apparatus for refrigerating machine |
| JPS60196572A (en) * | 1984-03-16 | 1985-10-05 | 株式会社田熊総合研究所 | Bleeder for absorption type refrigerator and operation method thereof |
| JPS629153A (en) * | 1985-07-05 | 1987-01-17 | 三菱電機株式会社 | Refrigerator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02263072A (en) * | 1989-03-31 | 1990-10-25 | Sanyo Electric Co Ltd | Gas extracting device for absorption refrigerator |
| WO2008087731A1 (en) * | 2007-01-18 | 2008-07-24 | Hitachi, Ltd. | Refrigeration cycle system, natural gas liquefying equipment, method of controlling refrigeration cycle system, and method of reconstructing refrigeration cycle system |
| JPWO2008087731A1 (en) * | 2007-01-18 | 2010-05-06 | 株式会社日立製作所 | Refrigeration cycle system, natural gas liquefaction facility, refrigeration cycle system control method, and refrigeration cycle system remodeling method |
| JP4976426B2 (en) * | 2007-01-18 | 2012-07-18 | 株式会社日立製作所 | Refrigerating cycle system, natural gas liquefaction facility, and remodeling method of refrigeration cycle system |
| CN108870796A (en) * | 2018-07-03 | 2018-11-23 | 贺吉军 | A kind of lithium bromide refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723824B2 (en) | 1995-03-15 |
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