JPH0810107B2 - Drainage device of low temperature warehouse - Google Patents

Drainage device of low temperature warehouse

Info

Publication number
JPH0810107B2
JPH0810107B2 JP29437790A JP29437790A JPH0810107B2 JP H0810107 B2 JPH0810107 B2 JP H0810107B2 JP 29437790 A JP29437790 A JP 29437790A JP 29437790 A JP29437790 A JP 29437790A JP H0810107 B2 JPH0810107 B2 JP H0810107B2
Authority
JP
Japan
Prior art keywords
float
drainage
case
drainage device
low 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 - Fee Related
Application number
JP29437790A
Other languages
Japanese (ja)
Other versions
JPH04169772A (en
Inventor
剛 川口
善昭 高野
幸一 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP29437790A priority Critical patent/JPH0810107B2/en
Publication of JPH04169772A publication Critical patent/JPH04169772A/en
Publication of JPH0810107B2 publication Critical patent/JPH0810107B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2321/00Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/146Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections

Landscapes

  • Removal Of Water From Condensation And Defrosting (AREA)

Description

【発明の詳細な説明】 (イ)産業上の利用分野 本発明は、冷蔵庫や冷凍庫に代表される低温庫に関
し、特に、冷却器からの除霜水を外部に排出するための
排水装置に関する。
TECHNICAL FIELD The present invention relates to a low temperature warehouse represented by a refrigerator or a freezer, and more particularly to a drainage device for discharging defrost water from a cooler to the outside.

(ロ)従来の技術 本発明に先行する従来の技術として、実公昭63−4201
6号公報(F25D 21/14)に、内部にエバポレータを収容
したクーラユニットケースの下部に集水部を形成し、こ
の集水部排水口に前記エバポレータから滴下した凝縮水
を排出するドレンホースを接続してなる空気調和装置の
クーラユニットにおいて、前記クーラユニットケースの
下部の左右方向ほぼ中央部であって前後方向に離間した
位置に排水口を開設し、各排出口にフロート弁を取付け
てなる空気調和装置の凝縮水排出装置が示されている。
(B) Prior art As a prior art prior to the present invention, the Japanese Utility Model Publication No. 63-4201
In JP 6 (F25D 21/14), a water collecting part is formed in the lower part of the cooler unit case containing the evaporator inside, and a drain hose for discharging the condensed water dropped from the evaporator is provided at the water collecting part discharge port. In a cooler unit of an air conditioner to be connected, a drain port is opened at a position approximately in the center of the lower part of the cooler unit case in the left-right direction and separated in the front-rear direction, and a float valve is attached to each discharge port. The condensate drain of the air conditioner is shown.

(ハ)発明が解決しようとする課題 上記従来技術の排出装置は、冷蔵庫等の冷却室内の様
に氷結しやすい状況で使用する場合、排水口とフロート
に氷結や粘性付着物によりフロートが浮上しなくなると
いう問題点があった。
(C) Problems to be Solved by the Invention When the discharge device of the above-mentioned conventional technique is used in a situation where freezing is likely to occur, such as in a cooling room such as a refrigerator, the float floats due to freezing or viscous deposits on the drain outlet and the float. There was a problem of disappearing.

本発明は上記従来技術の問題点に鑑み、フロート弁が
氷結し除霜水が溜まってしまった場合でも、手動で排水
を容易に行なうことを目的とした低温庫の排水装置を提
供するものである。
In view of the above-mentioned problems of the prior art, the present invention provides a drainage device for a low temperature warehouse for the purpose of easily performing manual drainage even when the defrosting water is accumulated due to freezing of the float valve. is there.

(ニ)課題を解決するための手段 本発明は上記目的を達成するための手段として、一側
面を開口した貯蔵室と、前記開口を開閉自在に閉塞する
扉と、前記貯蔵室と区画された冷却室内に収納される冷
却器とを備える低温庫において、前記冷却器の除霜水を
排水する排水口と、底部に排水口と対向する穴を有する
と共に、側部に通水路を形成したケースと、該ケースに
収納され、前記穴を介して排水口を塞ぐフロートと、該
フロートを持ち上げる操作部材とによりなる低温庫の排
水装置を構成するものである。
(D) Means for Solving the Problems As a means for achieving the above object, the present invention is divided into a storage chamber having one side surface opened, a door for opening and closing the opening, and the storage chamber. In a low-temperature cabinet provided with a cooler housed in a cooling chamber, a case having a drainage port for draining defrosting water of the cooler, a hole facing the drainage port at the bottom, and a water passage formed on a side part And a float that is housed in the case and closes the drain port through the hole, and an operation member that lifts the float, thereby forming a drainage device of a low-temperature warehouse.

(ホ)作用 本発明は、通常フロートが排水口を閉塞して冷気の逃
げを防止し、冷却器からの除霜水が溜まると浮力により
浮き上がって排水口を開放し、除霜水を排水する。又、
フロートが氷結等により浮かない時は、冷却室外からの
手動操作により操作部材を持ち上げることに伴ない、ケ
ース及びケース内のフロートが上昇して排水口が開放さ
れ、除霜水を排水することができる。
(E) Action The present invention normally drains the defrosting water by blocking the drainage port to prevent the escape of cold air, and when defrosting water from the cooler collects, it floats by buoyancy and opens the drainage port to drain defrosting water. . or,
If the float does not float due to icing, etc., the case and the float inside the case will rise and the drain port will be opened, and the defrosting water will be drained as the operating member is lifted by manual operation from outside the cooling chamber. it can.

(ヘ)実施例 以下本発明の実施例を図面に基づき説明する。(F) Embodiments Embodiments of the present invention will be described below with reference to the drawings.

(1)は冷蔵庫や冷凍庫に代表される低温庫であり、
本例ではトラック等の搬送車に載せて物品の冷却を行な
いながら物品の輸送を行なう場合に利用されるコールド
ロールボックスと称される輸送を目的とした冷蔵庫を例
にとり説明する。
(1) is a low temperature warehouse represented by a refrigerator and a freezer,
In this example, a refrigerator intended for transportation, called a cold roll box, which is used when an article is transported while being placed on a transportation vehicle such as a truck to cool the article, will be described.

第4図及び第5図において、低温庫(1)はその底部
に移動用の車輪(2)を具備し、一側面となる前面に開
口(3)を形成した断熱箱体(4)と、前記開口(3)
を開閉自在に閉塞する断熱性の扉(5)とを有し、その
内部は下面に断熱材(6)を具備した仕切板(7)にて
上下に仕切られ、底部に冷却室(8)、上部に貯蔵室
(9)が構成されている。
In FIG. 4 and FIG. 5, the cold storage (1) is provided with wheels (2) for movement at the bottom thereof, and a heat insulation box (4) having an opening (3) formed at one front surface, Said opening (3)
With a heat-insulating door (5) that opens and closes freely, the inside of which is vertically divided by a partition plate (7) having a heat insulating material (6) on the lower surface, and a cooling chamber (8) at the bottom. , A storage chamber (9) is formed in the upper part.

冷却室(8)内には、冷却器(10)と送風機(11)が
配設されている。また、貯蔵室(9)の背部には区画板
(12)によって背壁(13)に沿い、下端を冷却室(8)
の風下側に連通し、上端を貯蔵室(9)の天部の吹出口
(14)にて開口したダクト(15)が形成されている。
又、(16)は仕切板(7)の開口(3)側の前端部にお
いて、冷却室(8)の風上側に位置して形成された吸込
口で、冷却室(8)と貯蔵室(9)とを連続し、貯蔵室
(9)を経た帰還冷気(0℃前後の温度)を通す。そし
て、この吸込口(16)にはスリット(31)を有した吸込
カバー(32)が設けられている。又、この冷却室(8)
内の底部の前記吸込口(16)の下方となる部位には排水
口(21)が設けられており、この排水口(21)には排水
管(22)が接続されている。
A cooler (10) and a blower (11) are arranged in the cooling chamber (8). In addition, a partition plate (12) is provided along the back wall (13) at the back of the storage chamber (9), and the lower end is the cooling chamber (8)
A duct (15) communicating with the leeward side of which is opened at the upper end of the outlet (14) of the top of the storage chamber (9) is formed.
Further, (16) is a suction port formed at the front end of the partition plate (7) on the side of the opening (3) on the windward side of the cooling chamber (8), which includes the cooling chamber (8) and the storage chamber ( 9) and the return cold air (temperature around 0 ° C.) passing through the storage chamber (9) is passed. The suction port (16) is provided with a suction cover (32) having a slit (31). Also, this cooling room (8)
A drainage port (21) is provided at a position below the suction port (16) in the inner part, and a drainage pipe (22) is connected to the drainage port (21).

(17)は冷凍サイクルのコンデンサ(18)を収納する
ためのコンデンサ収納部であり、断熱箱体(4)の天部
に形成されている。ここで、貯蔵室(9)の天井は露処
理の関係上第4図の如く後方に低く傾斜している。その
ため、コンデンサ収納部(17)はこの傾斜によって生ず
る無効空間を有効に利用すべく扉(5)側の前方が浅
く、後方が深い上方に開口した凹陥形状とされている。
(19)は、このコンデンサ収納部(17)を覆うカバーで
あり、(20)はコンデンサ(18)を冷却するための送風
機である。(29)はコンプレッサ(30)を収納する機械
室であり、断熱箱体(4)の後下隅部に形成されてい
る。
Reference numeral (17) is a condenser housing portion for housing the condenser (18) of the refrigeration cycle, which is formed on the top of the heat insulating box (4). Here, the ceiling of the storage room (9) is slanted backward as shown in FIG. 4 due to the dew treatment. Therefore, the condenser housing (17) has a recessed shape in which the front side on the door (5) side is shallow and the rear side is deeply opened in order to effectively use the ineffective space generated by this inclination.
Reference numeral (19) is a cover for covering the condenser housing (17), and reference numeral (20) is a blower for cooling the condenser (18). (29) is a machine room for accommodating the compressor (30), and is formed in the lower rear corner of the heat insulating box (4).

次に本発明の要部の構成を説明する。第1図乃至第3
図に示す様に、排水装置は冷却室(8)内に設けられて
いる。この排水装置はピンポン球よりなるフロート(2
3)とケース(24)と操作部材(26)とガイド(25)と
よりなり、前記フロート(23)はピンポン球以外のもの
としては、金属製乃至合成樹脂製の中空の球体、あるい
は球体の中に発泡材料を充填して水に浮く様にしたもの
を使用してもよい。又、前記ケース(24)は前記フロー
ト(23)をその内部に収納する箱体で、下面に穴(28)
を有し、フロート(23)の直径をDとし、穴(28)径を
dとすると、d/D=0.5〜0.7となる様に設定する。本実
施例では、フロート(23)直径を38〔mm〕、穴径を25
〔mm〕とした。又、側面には除霜水がケース(24)の箱
体内へ流入する様に通水路としての切込み(27)を形成
している。そして、上部にはケース(24)を持ち上げる
ための前記操作部材(26)が接続されており、この操作
部材(26)はステー(26a)と、このステー(26a)の下
端に形成されケース(24)に取付けられた取付部(26
c)と、ステー(26a)の上端に形成され前記吸込カバー
(32)が設けられたスリット(31)を通って、貯蔵室
(9)内即ち冷却室(8)外に突出する取手部(26b)
とにより構成されている。又、ガイド(25)は前記ケー
ス(24)を上下方向にスライド可能に保持する。
Next, the configuration of the main part of the present invention will be described. 1 to 3
As shown, the drainage device is provided in the cooling chamber (8). This drainage system consists of a ping-pong ball float (2
3), a case (24), an operating member (26) and a guide (25). The float (23) is a hollow sphere made of metal or synthetic resin or a sphere other than a ping-pong ball. You may use what foam material was filled in so that it might float in water. The case (24) is a box for housing the float (23) therein, and has a hole (28) on the lower surface.
And the diameter of the float (23) is D and the diameter of the hole (28) is d, d / D = 0.5 to 0.7 is set. In this embodiment, the float (23) diameter is 38 [mm] and the hole diameter is 25
[Mm] In addition, a notch (27) is formed as a water passage on the side surface so that defrost water flows into the box body of the case (24). The operation member (26) for lifting the case (24) is connected to the upper portion, and the operation member (26) is formed at the stay (26a) and the lower end of the stay (26a). Mounting part (26)
c) and a handle part () that protrudes into the storage chamber (9), that is, outside the cooling chamber (8), through a slit (31) formed at the upper end of the stay (26a) and provided with the suction cover (32). 26b)
It is composed of The guide (25) holds the case (24) slidably in the vertical direction.

次に本発明の動作について第1図及び第3図を参照し
て説明する。前述した様に、排水装置はその主要部の殆
どが冷却室(8)内に設けられており、除霜運転時冷却
器(10)からの除霜水はケース(24)に形成されている
切込み(27)からケース(24)内に流入する。このた
め、水の浮力により穴(28)を閉塞していたフロート
(23)が穴(28)を開放し、この穴(28)から排水口
(21)を通過し、排水管(22)へと流入して低温庫
(1)外へと排出される。
Next, the operation of the present invention will be described with reference to FIGS. As described above, most of the main part of the drainage device is provided in the cooling chamber (8), and defrost water from the cooler (10) during defrosting operation is formed in the case (24). It flows into the case (24) through the notch (27). Therefore, the float (23) that has closed the hole (28) due to the buoyancy of water opens the hole (28), passes through the drainage port (21) from this hole (28), and goes to the drainage pipe (22). And discharged to the outside of the low temperature chamber (1).

又、除霜運転終了後の再冷却運転の際、除霜水が完全
に排水されずに排水口(21)の周囲に残り、フロート
(23)が穴(28)の周縁に氷結して、アイスバーンが発
生した場合、除霜運転の度に排水できずに溜まってい
き、冷却運転時再氷結してアイスバーンの厚みが厚くな
ったり、氷が解けたとしてもある一定水深を越えている
と、フロート(23)の浮力より水圧が勝ってしまい、フ
ロート(23)は開かなくなる。この場合第3図の如く、
冷却室(8)外に位置する前記取手部(26b)を持っ
て、フロート(23)を収納したケース(24)を操作部材
(26)を持ち上げることにより、排水口(21)が開放さ
れ排水することができる。尚、穴(28)の周縁と排水口
(21)の周縁とが氷結した場合でも、操作部材(26)を
持ち上げることにより氷結を解消できる。又、粘性付着
物の場合も同様にして排水することができる。又、手動
排水後のフロート(23)及びケース(24)を下ろす時、
ガイド(25)に沿って下ろされるため、フロート(23)
は常に所定の位置に収まる。更に、ケース(24)内にゴ
ミが溜まっている場合、吸込カバー(32)を取り外し、
ケース(24)を冷却室(8)外へ引き出して掃除をする
ことができる。
Also, during the recooling operation after the completion of the defrosting operation, the defrosting water is not completely drained and remains around the drainage port (21), and the float (23) freezes around the hole (28), When an ice burn occurs, it cannot be drained each time the defrosting operation is performed, and it accumulates, and the ice burn becomes thicker due to re-freezing during the cooling operation, or even if the ice melts, it exceeds a certain depth. Then, the water pressure exceeds the buoyancy of the float (23), and the float (23) cannot open. In this case, as shown in FIG.
By holding the handle part (26b) located outside the cooling chamber (8) and lifting the operation member (26) of the case (24) containing the float (23), the drain port (21) is opened and the drainage is performed. can do. Even if the periphery of the hole (28) and the periphery of the drainage port (21) are frozen, the ice can be eliminated by lifting the operation member (26). Also, in the case of viscous deposits, it can be similarly drained. Also, when lowering the float (23) and case (24) after manual drainage,
Float (23) as it is lowered along the guide (25)
Always stays in place. Furthermore, if dust is accumulated in the case (24), remove the suction cover (32),
The case (24) can be pulled out of the cooling chamber (8) for cleaning.

又、他の実施例として第6図に示す様に、板状若しく
は棒状の操作部材(26)にガイド(25)を設けたもので
もよい。
Further, as another embodiment, as shown in FIG. 6, a plate-like or rod-like operating member (26) may be provided with a guide (25).

以上の様に本発明の排水装置は、通常はフロート(2
3)による自動排水であるが、氷結によりフロート(2
3)と穴(28)の周縁が固着して、除霜水の流れが阻止
された場合、フロート(23)が収納されているケース
(24)を、操作部材(26)をもって持ち上げることによ
り、排水口(21)を開放して排水できる。
As described above, the drainage device of the present invention is usually a float (2
Automatic drainage by 3), but float (2
3) and the periphery of the hole (28) are fixed and the flow of defrost water is blocked, by lifting the case (24) housing the float (23) by holding the operating member (26), Drainage can be done by opening the drain port (21).

又、低温庫(1)内の温度は外気温度よりも低温であ
るので、圧力が負圧となり、バキューム作用により扉が
開けにくかったのであるが、この排水装置を設けること
により、フロート(23)が穴(28)の周縁と氷結してい
ない状態において、低温庫(1)内の圧力が負圧となっ
てもフロート(23)が吸い上げられ、穴(28)と排水口
(21)を開放する。そのため、ここから低温庫(1)内
へ空気が流入し外圧との気圧差をなくすことができる。
Also, since the temperature inside the low temperature chamber (1) is lower than the outside air temperature, the pressure became a negative pressure, and it was difficult to open the door due to the vacuum action. However, by installing this drainage device, the float (23) In a state where the edge of the hole (28) is not frozen, the float (23) is sucked up even if the pressure in the low temperature chamber (1) becomes negative pressure, and the hole (28) and the drain port (21) are opened. To do. Therefore, air can flow into the low temperature chamber (1) from here and the pressure difference from the external pressure can be eliminated.

(ト)発明の効果 本発明の排水装置は自動排水であり、万一フロートが
氷結あるいは粘性付着物により排水口を閉塞したままの
状態である場合、冷却室外に位置している操作部材の一
端を持ち上げることにより、冷却室外よりい容易に排水
口を開放して手動排水することができる。
(G) Effect of the Invention The drainage device of the present invention is an automatic drainage device, and if the float has a drainage port blocked due to freezing or viscous deposits, one end of the operation member located outside the cooling chamber By lifting up, the drainage port can be easily opened from the outside of the cooling chamber for manual drainage.

【図面の簡単な説明】[Brief description of drawings]

図面は何れも本発明の低温庫の排水装置の一実施例を示
し、第1図は排水装置の断面図、第2図は排水装置の斜
視図、第3図は手動排水時の排水装置の断面図、第4図
は本発明の排水装置を具備した低温庫の縦断側面図、第
5図は低温庫の斜視図、第6図は排水装置の他の実施例
での断面図である。 (1)……低温庫、(8)……冷却室、(9)……貯蔵
室、(10)……冷却器、(21)……排水口、(23)……
フロート、(24)……ケース、(25)……ガイド、(2
6)……操作部材、(28)……穴。
Each of the drawings shows an embodiment of the drainage device for a low temperature refrigerator according to the present invention. Fig. 1 is a sectional view of the drainage device, Fig. 2 is a perspective view of the drainage device, and Fig. 3 is a drainage device for manual drainage. Sectional drawing, FIG. 4 is a vertical sectional side view of a low temperature storage equipped with the drainage device of the present invention, FIG. 5 is a perspective view of the low temperature storage, and FIG. 6 is a sectional view of another embodiment of the drainage device. (1) …… Low temperature chamber, (8) …… Cooling room, (9) …… Storage room, (10) …… Cooler, (21) …… Drainage port, (23) ……
Float, (24) …… Case, (25) …… Guide, (2
6) …… Operating member, (28) …… hole.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】一側面を開口した貯蔵室と、前記開口を開
閉自在に閉塞する扉と、前記貯蔵室と区画された冷却室
内に収納される冷却器とを備える低温庫において、前記
冷却器の除霜水を排水する排水口と、底部に排水口と対
向する穴を有すると共に、側部に通水路を形成したケー
スと、該ケースに収納され、前記穴を介して排水口を塞
ぐフロートと、該フロートを持ち上げる操作部材とによ
り構成したことを特徴とする低温庫の排水装置。
1. A cooler comprising a storage chamber having an opening on one side, a door for opening and closing the opening, and a cooler housed in a cooling chamber partitioned from the storage chamber. A drainage port for draining defrosting water, a case having a hole facing the drainage port at the bottom, and a water passage formed on the side, and a float housed in the case and closing the drainage port through the hole And a drainage device for a low-temperature warehouse, which comprises an operating member for lifting the float.
JP29437790A 1990-10-30 1990-10-30 Drainage device of low temperature warehouse Expired - Fee Related JPH0810107B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29437790A JPH0810107B2 (en) 1990-10-30 1990-10-30 Drainage device of low temperature warehouse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29437790A JPH0810107B2 (en) 1990-10-30 1990-10-30 Drainage device of low temperature warehouse

Publications (2)

Publication Number Publication Date
JPH04169772A JPH04169772A (en) 1992-06-17
JPH0810107B2 true JPH0810107B2 (en) 1996-01-31

Family

ID=17806936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29437790A Expired - Fee Related JPH0810107B2 (en) 1990-10-30 1990-10-30 Drainage device of low temperature warehouse

Country Status (1)

Country Link
JP (1) JPH0810107B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108088156B (en) * 2017-12-01 2021-10-29 海尔智家股份有限公司 Defrosting and draining assembly and refrigerator with same
CN114111194B (en) * 2020-08-25 2023-02-17 青岛海尔电冰箱有限公司 Refrigerator control method and refrigerator

Also Published As

Publication number Publication date
JPH04169772A (en) 1992-06-17

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