JPH08189753A - Refrigerator - Google Patents
RefrigeratorInfo
- Publication number
- JPH08189753A JPH08189753A JP420095A JP420095A JPH08189753A JP H08189753 A JPH08189753 A JP H08189753A JP 420095 A JP420095 A JP 420095A JP 420095 A JP420095 A JP 420095A JP H08189753 A JPH08189753 A JP H08189753A
- Authority
- JP
- Japan
- Prior art keywords
- dew
- proof pipe
- refrigerator
- condensation
- pipe
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2507—Flow-diverting valves
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、冷蔵庫に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator.
【０００２】[0002]
【従来の技術】次に図５を用いて従来の冷蔵庫の冷凍サ
イクルの概略を説明する。冷凍サイクルとしては実開昭
５７−７２００８号に使用されている例によって説明す
る。2. Description of the Related Art An outline of a conventional refrigerator refrigeration cycle will be described with reference to FIG. The refrigeration cycle will be described with reference to the example used in Japanese Utility Model Publication No. 57-72008.
【０００３】圧縮機１によって圧縮され、防露パイプ５
内を通る冷媒２は凝縮器３で熱が放出され高圧冷媒液化
し、切り替え弁４にて防露パイプ５とバイパス管６に、
流され、ドライヤー７を通り、キャピラリチューブ８で
徐々に減圧され蒸発器９で蒸発し圧縮機１に戻る。The dew proof pipe 5 is compressed by the compressor 1.
The heat of the refrigerant 2 passing through the inside is released by the condenser 3 and is liquefied as a high-pressure refrigerant, and the switching valve 4 causes the dew condensation pipe 5 and the bypass pipe 6 to
After passing through the dryer 7, the pressure is gradually reduced in the capillary tube 8 and evaporated in the evaporator 9 to return to the compressor 1.
【０００４】[0004]
【発明が解決しようとする課題】以上のように構成され
た冷凍サイクルを備えた冷蔵庫において、高圧冷媒液が
バイパス管６から防露パイプ５に切り替わるときは、バ
イパス管６が短いため液溜りはほとんどないが、防露パ
イプ５からバイパス管６に切り替わるときは、防露パイ
プ５内に液冷媒が滞留するため冷凍サイクルが冷媒不足
になり、鈍冷状態になる可能性があった。In the refrigerator having the refrigerating cycle configured as described above, when the high pressure refrigerant liquid is switched from the bypass pipe 6 to the dew proof pipe 5, the bypass pipe 6 is short and the liquid pool is not formed. Although there is almost no, when the dew-proof pipe 5 is switched to the bypass pipe 6, the liquid refrigerant stays in the dew-proof pipe 5, so that the refrigeration cycle may run out of refrigerant and may be in a blunt cooling state.
【０００５】本発明は、上記課題を解決するもので、防
露パイプ内に液冷媒が滞留して鈍冷状態になることな
く、しかも庫内への熱影響を最小限に止め、かつ冷蔵庫
の結露防止を図ることを目的とする。The present invention is intended to solve the above-mentioned problems, and the liquid refrigerant does not stay in the dew-proof pipe to be in a chilled state, and the heat influence on the inside of the refrigerator is minimized, and the refrigerator is The purpose is to prevent condensation.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に本発明は、防露パイプとバイパス管にそれぞれドライ
ヤーとキャピラリチューブを備えた構成となっている。In order to achieve the above object, the present invention comprises a dew-proof pipe and a bypass pipe which are provided with a dryer and a capillary tube, respectively.
【０００７】また、防露パイプとバイパス管それぞれの
キャピラリチューブの減圧量を変えた構成となってい
る。Further, the decompression pipe and the bypass pipe are constructed so that the pressure reducing amounts of the respective capillary tubes are changed.
【０００８】また、冷蔵庫の一画に温度センサーと外気
温センサーを設け、それぞれのセンサーに連動する切り
替え弁を備えた構成となっている。Further, the refrigerator is provided with a temperature sensor and an outside air temperature sensor, and a switching valve interlocking with each sensor is provided.
【０００９】また、防露パイプの圧力低下防止制御回路
を設けた切り替え弁を備えた構成となっている。Further, it has a structure provided with a switching valve provided with a pressure drop prevention control circuit for the dew-proof pipe.
【００１０】[0010]
【作用】本発明は上記構成においてドライヤーとキャピ
ラリチューブを配設されている防露パイプとバイパス管
を設け切り替え弁で高圧冷媒液の流れを制御する。According to the present invention, a dew-proof pipe having a dryer and a capillary tube and a bypass pipe are provided in the above structure, and a switching valve controls the flow of high-pressure refrigerant liquid.
【００１１】しかも、防露パイプとバイパス管それぞれ
に適切な減圧量のキャピラリチューブを配設しているの
で、蒸発圧力が一定にできる。Moreover, since the capillary tube of an appropriate pressure reduction amount is provided in each of the dew-proof pipe and the bypass pipe, the evaporation pressure can be made constant.
【００１２】また、冷蔵庫の一画に温度センサーと外気
温センサーを設け、これらに連動する切り替え弁を配設
して、防露パイプ温度を制御する。Further, a temperature sensor and an outside air temperature sensor are provided on one screen of the refrigerator, and a switching valve interlocking with these is provided to control the temperature of the dew-proof pipe.
【００１３】また、切り替え弁に圧力低下防止制御回路
を配設し、圧縮機運転中に防露パイプの圧力低下を抑え
る。A pressure drop prevention control circuit is provided in the switching valve to suppress the pressure drop in the dew-proof pipe during operation of the compressor.
【００１４】[0014]
【実施例】以下、本発明の冷蔵庫の各実施例が備えてい
る冷凍サイクルを図１，図２，図３，図４を用いて説明
する。なお、従来と同一機構部については、同一符号を
付して詳細な説明を省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The refrigerating cycle provided in each embodiment of the refrigerator of the present invention will be described below with reference to FIGS. 1, 2, 3 and 4. The same reference numerals are given to the same mechanical parts as the conventional ones, and detailed description thereof will be omitted.
【００１５】図１は、本発明の第１の実施例を示す冷蔵
庫が備えている冷凍サイクルの構成図であり、図１にお
いて、ドライヤー７とキャピラリチューブ８を配設した
防露パイプ５と第２のドライヤー１０と第２のキャピラ
リチューブ１１を配設したバイパス管６を切り替え弁４
で冷媒を振り分けるものである。FIG. 1 is a block diagram of a refrigeration cycle provided in a refrigerator showing a first embodiment of the present invention. In FIG. 1, a dew-proof pipe 5 having a dryer 7 and a capillary tube 8 and a dew-proof pipe 5 are provided. The bypass valve 6 in which the second dryer 10 and the second capillary tube 11 are arranged is used as the switching valve 4
Is to distribute the refrigerant.
【００１６】図２は、本発明の第２の実施例における冷
蔵庫が備えている冷凍サイクルの構成図であり、図１に
示す実施例と異なるのは、図２において、減圧量の小さ
いキャピラリチューブ８ａを配設した防露パイプ５と減
圧量が大きいキャピラリチューブ１１ａを配設したバイ
パス管６を切り替え弁４で冷媒を振り分けるものであ
る。FIG. 2 is a block diagram of a refrigerating cycle provided in a refrigerator according to a second embodiment of the present invention. The difference from the embodiment shown in FIG. 1 is that in FIG. The switching valve 4 distributes the refrigerant between the dew-proof pipe 5 in which 8a is arranged and the bypass pipe 6 in which the capillary tube 11a having a large pressure reduction amount is arranged.
【００１７】図３は、本発明の第３の実施例における冷
蔵庫が備えている冷凍サイクルの構成図であり、図３に
おいて冷凍室の温度を温度センサー１２で検知し、冷蔵
庫の外面の外気温センサー１３で露点温度を割り出し、
切り替え弁４は温度センサー１２の温度が露点温度以上
になるように防露パイプ５とバイパス管６に冷媒を振り
分けるものである。FIG. 3 is a block diagram of a refrigerating cycle provided in a refrigerator according to a third embodiment of the present invention. In FIG. 3, the temperature of the freezing compartment is detected by a temperature sensor 12, and the outside air temperature of the outer surface of the refrigerator is detected. Dew point temperature is calculated with sensor 13,
The switching valve 4 distributes the refrigerant to the dew condensation pipe 5 and the bypass pipe 6 so that the temperature of the temperature sensor 12 becomes equal to or higher than the dew point temperature.
【００１８】図４は、本発明の第４の実施例における冷
蔵庫が備えている冷凍サイクルの構成図であり、図４に
おいて圧力低下防止制御回路１４を配設した切り替え弁
４で防露パイプ５の圧力低下を防止するために一定時間
強制的に防露パイプ５に冷媒を振り分けるものである。FIG. 4 is a block diagram of a refrigerating cycle provided in a refrigerator according to a fourth embodiment of the present invention. In FIG. 4, a switching valve 4 provided with a pressure drop prevention control circuit 14 is used to prevent dew condensation. The refrigerant is forcibly distributed to the dew-proof pipe 5 for a certain period of time in order to prevent the pressure drop.
【００１９】[0019]
【発明の効果】以上説明したように本発明は、ドライヤ
ーとキャピラリチューブを配設した防露パイプとバイパ
ス管と、それらを切り替える切り替え弁を有しているの
で、防露パイプに液冷媒が滞留することなく、かつ防露
パイプが露点温度以上に上昇するのを防止することによ
り、庫内への熱影響を最小限にすることができる。As described above, the present invention has the dew-proof pipe in which the dryer and the capillary tube are arranged, the bypass pipe, and the switching valve for switching them, so that the liquid refrigerant stays in the dew-proof pipe. Without doing so, and by preventing the dew-proof pipe from rising above the dew-point temperature, it is possible to minimize the heat effect on the inside of the refrigerator.
【００２０】また、防露パイプ用キャピラリチューブと
バイパス管用キャピラリチューブの減圧量を変えること
により蒸発圧力を一定にすることができる。Further, the evaporation pressure can be made constant by changing the pressure reduction amounts of the capillary tube for the dew-proof pipe and the capillary tube for the bypass pipe.
【００２１】また、温度センサーと外気温センサーを備
えることにより、冷蔵庫近傍の露点温度を割り出すこと
ができ、温度センサーの温度で防露パイプとバイパス管
を切り替えることができる。Further, by providing the temperature sensor and the outside air temperature sensor, the dew point temperature near the refrigerator can be calculated, and the dew-proof pipe and the bypass pipe can be switched depending on the temperature of the temperature sensor.
【００２２】また、圧縮機運転中の防露パイプの圧力低
下防止制御回路を備えることにより、蒸発器に高温の冷
媒が流れるのを極力少なくすることができる。Further, by providing the control circuit for preventing the pressure drop of the dew-proof pipe during the operation of the compressor, it is possible to minimize the flow of the high-temperature refrigerant into the evaporator.
【図１】本発明の第１の実施例における冷蔵庫が備えて
いる冷凍サイクルの構成図FIG. 1 is a configuration diagram of a refrigeration cycle included in a refrigerator according to a first embodiment of the present invention.
【図２】本発明の第２の実施例における冷蔵庫が備えて
いる冷凍サイクルの構成図FIG. 2 is a configuration diagram of a refrigeration cycle included in a refrigerator according to a second embodiment of the present invention.
【図３】本発明の第３の実施例における冷蔵庫が備えて
いる冷凍サイクルの構成図FIG. 3 is a configuration diagram of a refrigeration cycle included in a refrigerator according to a third embodiment of the present invention.
【図４】本発明の第４の実施例における冷蔵庫が備えて
いる冷凍サイクルの構成図FIG. 4 is a configuration diagram of a refrigeration cycle included in a refrigerator according to a fourth embodiment of the present invention.
【図５】従来例の冷蔵庫が備えている冷凍サイクルの構
成図FIG. 5 is a configuration diagram of a refrigeration cycle included in a conventional refrigerator.
４ 切り替え弁 ５ 防露パイプ ６ バイパス管 ７ ドライヤー ８ キャピラリチューブ ８ａ 減圧量小のキャピラリチューブ １０ 第２のドライヤー １１ 第２のキャピラリチューブ １１ａ 減圧量大のキャピラリチューブ １２ 温度センサー １３ 外気温センサー １４ 圧力低下防止制御回路 4 Switching valve 5 Dew-proof pipe 6 Bypass pipe 7 Dryer 8 Capillary tube 8a Capillary tube with small decompression amount 10 Second dryer 11 Second capillary tube 11a Capillary tube with large decompression amount 12 Temperature sensor 13 Outside temperature sensor 14 Pressure drop Prevention control circuit
Claims (4)
封入した圧縮機と、前記圧縮機に接続された凝縮器と、
防露パイプと、ドライヤーと、キャピラリチューブと、
蒸発器と、サクションラインを有する冷凍サイクルにお
いて、前記防露パイプに前記圧縮機作動中に前記冷媒の
流れを切り替える弁とドライヤーとキャピラリチューブ
とを配設したバイパス部を設けた冷凍サイクルを備えた
冷蔵庫。1. A refrigerant, a compressor in which refrigerating machine oil dissolved in the refrigerant is sealed, and a condenser connected to the compressor.
Dew-proof pipe, dryer, capillary tube,
In a refrigeration cycle having an evaporator and a suction line, the dew-proof pipe was provided with a refrigeration cycle provided with a valve for switching the flow of the refrigerant during operation of the compressor, and a bypass section provided with a dryer and a capillary tube. refrigerator.
ラリチューブの減圧量を防露パイプのキャピラリより大
きくした冷凍サイクルを備えた請求項１記載の冷蔵庫。2. The refrigerator according to claim 1, further comprising a refrigeration cycle in which a decompression amount of a capillary tube of a bypass portion provided in the dew-proof pipe is larger than that of the capillary of the dew-proof pipe.
替えに、冷蔵庫本体の一画の温度を検知する温度センサ
ーと露点温度を検知する外気温センサーに連動する切り
替え弁を設けた冷凍サイクルを備えた請求項１記載の冷
蔵庫。3. A refrigeration cycle provided with a switching valve interlocking with a temperature sensor for detecting the temperature of one stroke of the refrigerator body and an outside air temperature sensor for detecting the dew point temperature when switching to the bypass portion provided on the dew-proof pipe. The refrigerator according to claim 1, which is provided.
替えに、冷蔵庫本体の一画に設けた温度センサーと外気
温センサーに連動する切り替え弁と防露パイプ内の圧力
低下防止制御装置を設けた冷凍サイクルを備えた請求項
１記載の冷蔵庫。4. A switching valve provided in a part of the refrigerator main body for switching to the bypass portion provided in the dew-proof pipe and a switching valve interlocking with a temperature sensor and an outside air temperature sensor, and a pressure drop prevention control device in the dew-proof pipe The refrigerator according to claim 1, further comprising a refrigeration cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP420095A JPH08189753A (en) | 1995-01-13 | 1995-01-13 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP420095A JPH08189753A (en) | 1995-01-13 | 1995-01-13 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08189753A true JPH08189753A (en) | 1996-07-23 |
Family
ID=11578024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP420095A Pending JPH08189753A (en) | 1995-01-13 | 1995-01-13 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08189753A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264629A (en) * | 2008-04-23 | 2009-11-12 | Toshiba Corp | Refrigerator |
| JP2013019662A (en) * | 2011-06-17 | 2013-01-31 | Panasonic Corp | Refrigerator |
| JP2013096614A (en) * | 2011-10-31 | 2013-05-20 | Mitsubishi Electric Corp | Refrigerator |
| KR20130088430A (en) * | 2012-01-31 | 2013-08-08 | 엘지전자 주식회사 | Refrigerator |
| JP2014048037A (en) * | 2012-09-04 | 2014-03-17 | Sharp Corp | Refrigerator and cooling mechanism |
| JP2014048032A (en) * | 2012-09-04 | 2014-03-17 | Sharp Corp | Refrigerator |
| JP2014052104A (en) * | 2012-09-06 | 2014-03-20 | Sharp Corp | Refrigerator |
| JP2014052105A (en) * | 2012-09-06 | 2014-03-20 | Sharp Corp | Refrigerator |
| JP2015001358A (en) * | 2013-06-18 | 2015-01-05 | パナソニック株式会社 | Refrigerator |
| JP2015014373A (en) * | 2013-07-03 | 2015-01-22 | 日立アプライアンス株式会社 | Refrigerator |
| JP2015094536A (en) * | 2013-11-13 | 2015-05-18 | パナソニックＩｐマネジメント株式会社 | Refrigerator |
| JP2015206500A (en) * | 2014-04-18 | 2015-11-19 | パナソニックＩｐマネジメント株式会社 | refrigerator |
| JP2016205669A (en) * | 2015-04-20 | 2016-12-08 | 日立アプライアンス株式会社 | refrigerator |
| JP2017020753A (en) * | 2015-07-15 | 2017-01-26 | 日立アプライアンス株式会社 | refrigerator |
| JP2017133779A (en) * | 2016-01-29 | 2017-08-03 | パナソニックＩｐマネジメント株式会社 | refrigerator |
| WO2017179500A1 (en) * | 2016-04-13 | 2017-10-19 | パナソニックＩｐマネジメント株式会社 | Refrigerator and cooling system |
| JP2018136063A (en) * | 2017-02-21 | 2018-08-30 | パナソニック株式会社 | Refrigerator and method for operating the same |
| CN113669938A (en) * | 2021-07-27 | 2021-11-19 | 澳柯玛股份有限公司 | Refrigerator refrigeration and self-cleaning control method |
-
1995
- 1995-01-13 JP JP420095A patent/JPH08189753A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264629A (en) * | 2008-04-23 | 2009-11-12 | Toshiba Corp | Refrigerator |
| JP2013019662A (en) * | 2011-06-17 | 2013-01-31 | Panasonic Corp | Refrigerator |
| JP2013096614A (en) * | 2011-10-31 | 2013-05-20 | Mitsubishi Electric Corp | Refrigerator |
| KR20130088430A (en) * | 2012-01-31 | 2013-08-08 | 엘지전자 주식회사 | Refrigerator |
| JP2014048037A (en) * | 2012-09-04 | 2014-03-17 | Sharp Corp | Refrigerator and cooling mechanism |
| JP2014048032A (en) * | 2012-09-04 | 2014-03-17 | Sharp Corp | Refrigerator |
| JP2014052104A (en) * | 2012-09-06 | 2014-03-20 | Sharp Corp | Refrigerator |
| JP2014052105A (en) * | 2012-09-06 | 2014-03-20 | Sharp Corp | Refrigerator |
| JP2015001358A (en) * | 2013-06-18 | 2015-01-05 | パナソニック株式会社 | Refrigerator |
| JP2015014373A (en) * | 2013-07-03 | 2015-01-22 | 日立アプライアンス株式会社 | Refrigerator |
| JP2015094536A (en) * | 2013-11-13 | 2015-05-18 | パナソニックＩｐマネジメント株式会社 | Refrigerator |
| JP2015206500A (en) * | 2014-04-18 | 2015-11-19 | パナソニックＩｐマネジメント株式会社 | refrigerator |
| JP2016205669A (en) * | 2015-04-20 | 2016-12-08 | 日立アプライアンス株式会社 | refrigerator |
| JP2017020753A (en) * | 2015-07-15 | 2017-01-26 | 日立アプライアンス株式会社 | refrigerator |
| JP2017133779A (en) * | 2016-01-29 | 2017-08-03 | パナソニックＩｐマネジメント株式会社 | refrigerator |
| WO2017179500A1 (en) * | 2016-04-13 | 2017-10-19 | パナソニックＩｐマネジメント株式会社 | Refrigerator and cooling system |
| CN108603712A (en) * | 2016-04-13 | 2018-09-28 | 松下知识产权经营株式会社 | Freezer and cooling system |
| CN108603712B (en) * | 2016-04-13 | 2020-07-28 | 松下知识产权经营株式会社 | Refrigerator and cooling system |
| JP2018136063A (en) * | 2017-02-21 | 2018-08-30 | パナソニック株式会社 | Refrigerator and method for operating the same |
| CN113669938A (en) * | 2021-07-27 | 2021-11-19 | 澳柯玛股份有限公司 | Refrigerator refrigeration and self-cleaning control method |
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