JP3213162B2 - Sprinkler structure of falling ice machine - Google Patents
Sprinkler structure of falling ice machineInfo
- Publication number
- JP3213162B2 JP3213162B2 JP10010894A JP10010894A JP3213162B2 JP 3213162 B2 JP3213162 B2 JP 3213162B2 JP 10010894 A JP10010894 A JP 10010894A JP 10010894 A JP10010894 A JP 10010894A JP 3213162 B2 JP3213162 B2 JP 3213162B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- sprinkler
- water supply
- supply port
- negative 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.)
- Expired - Fee Related
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- Nozzles (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明は、鉛直に設置された製氷
板に散水した水を流下させる流下式製氷機に関し、特に
製氷水を散水するための散水器の構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flow-down type ice making machine for flowing down water sprinkled on an ice making plate installed vertically, and more particularly to a structure of a water sprinkler for sprinkling ice making water.
【０００２】[0002]
【従来の技術】流下式製氷機においては、例えば、一対
の製氷板を背中合せに立設し、その製氷板相互間に冷媒
の蒸発器を設けている。蒸発器は、製氷運転中、冷媒の
蒸発熱によって、製氷板の正面を流下する製氷水を冷却
する一方、除氷運転中はホットガスが流れて氷を製氷板
から離す。このような流下式製氷機に用いられる散水器
の例を図４及び図５を参照して説明する。図４は、散水
器１を下側からみた斜視図で、製氷水通路２と除氷水通
路３とが一体的に形成された本体４と、給水用コネクタ
５と、前記各通路２，３の終端を閉じる一体プラグ６と
からなっている。給水用コネクタ５は、製氷水用口金５
ａと、除氷水用口金５ｂを有し、ここから流入した水
は、製氷水用散水孔２ａ及び除氷水用散水孔３ａからそ
れぞれ散水される。図５は、このような散水器１を、２
個組合せて使用した場合の上側からみた分解斜視図であ
り、製氷水給水管７は、コネクタ５の製氷水用口金５ａ
に、除氷水用給水管８は、除氷水用口金５ｂにそれぞれ
接続している。勿論、散水器１は、製氷板の組数に応じ
て設けられ、例えば製氷板が５対設置されれば、散水器
１は５個並設される。2. Description of the Related Art In a falling ice maker, for example, a pair of ice maker plates are erected back to back, and a refrigerant evaporator is provided between the ice maker plates. The evaporator cools the ice making water flowing down the front of the ice making plate by the heat of evaporation of the refrigerant during the ice making operation, while the hot gas flows to separate the ice from the ice making plate during the deicing operation. An example of a sprinkler used in such a falling ice machine will be described with reference to FIGS. FIG. 4 is a perspective view of the sprinkler 1 as viewed from below, and shows a main body 4 in which an ice making water passage 2 and a deicing water passage 3 are integrally formed, a water supply connector 5, and the respective passages 2 and 3. It consists of an integral plug 6 closing the end. The water supply connector 5 is a cap 5 for ice making water.
a and a deicing water base 5b, and the water flowing from the sprinkling hole 2a and the deicing water sprinkling hole 3a is sprinkled from the water flowing therethrough. FIG. 5 shows such a sprinkler 1 as 2
FIG. 2 is an exploded perspective view of the ice making water supply pipe 7 when used in combination with each other.
The deicing water supply pipe 8 is connected to the deicing water base 5b. Of course, the water sprinklers 1 are provided in accordance with the number of sets of ice making plates. For example, if five ice making plates are installed, five water sprinklers 1 are arranged in parallel.
【０００３】[0003]
【発明が解決しようとする課題】前述したような散水器
１では、製氷水は図６に示すような状態で製氷水通路２
に流入し、その底板に形成された散水孔２ａから流出
し、散水される。そして、流入する製氷水の量は、全て
の散水孔２ａから流出するものであり、相当な量である
から入口部ではかなりの流速で流入する。したがって、
製氷水用口金５ａに連絡した給水口５ｃに近い散水孔２
ａの付近では、ベンチュリー効果（ベルヌーイの定理に
おいて、動圧が大きいので、静圧が外部気圧に対して負
圧になる。）によって負圧が発生し、種々の不具合を発
生する。例えば、上述の付近では、製氷量不足による異
形氷や白濁氷が発生したり、散水されずに全く氷ができ
なかったりする。本発明は、このような従来技術の問題
点に鑑みなされたもので、各散水孔からは、水が均分に
流出して、異形水発生などの不具合の生じない流下式製
氷機の散水器を提供することを目的とするものである。In the sprinkler 1 as described above, the ice making water is supplied to the ice making water passage 2 in a state as shown in FIG.
, And out of the watering holes 2a formed in the bottom plate, and water is sprinkled. The amount of the ice making water that flows in flows out of all the water sprinkling holes 2a, and is a considerable amount. Therefore,
Watering hole 2 close to water supply port 5c connected to ice making water base 5a
In the vicinity of a, negative pressure is generated due to the Venturi effect (in Bernoulli's theorem, the dynamic pressure is large, so the static pressure becomes negative with respect to the external pressure), and various problems occur. For example, in the vicinity described above, deformed ice or cloudy ice is generated due to an insufficient amount of ice making, or ice is not formed at all without being sprinkled. The present invention has been made in view of such problems of the related art, and water is uniformly discharged from each water sprinkling hole, and a water sprinkler of a down flow type ice making machine that does not cause problems such as generation of deformed water. The purpose is to provide.
【０００４】[0004]
【課題を解決するための手段】このような目的を達成す
るため、本発明によれば、水平に延びた底板に複数の散
水孔を備える散水筒本体を有し、この散水筒本体の一端
に形成された給水口から散水筒本体内に製氷水が流入す
る流下式製氷機の散水器において、給水口の近くに位置
する散水孔を散水筒本体内に流入する製氷水の水流の流
線中心から隔離あるいは遠ざけることにより散水孔の近
傍で負圧が発生しないようにするための負圧発生防止構
造を前記底板と前記散水筒本体の給水口との間に設けた
ことを特徴としている。底板の散水孔に隣接して負圧が
発生することを防止する構造としては、給水口の下端か
ら底面に沿って延びた水平板を設けてもよいし、給水の
放出方向を上向きに傾斜させてもよいし、或は、底板か
ら給水口下端までの垂直距離を流速から定まる所定値以
上の値としてもよい。Means for Solving the Problems] To achieve the above object, according to the present invention, has a water bottle body diffuser that includes a plurality of nozzle holes in the bottom plate extending horizontally, one end of the watering tube body
Ice making water flows into the sprinkler body from the water supply port formed in
In that the flow-down type ice making machine of the sprinkler, located close to the water supply port
Of the ice making water flowing into the sprinkler body
Close or close to the sprinkling hole by separating or keeping away from the center of the line
A negative pressure generation preventing structure for preventing a negative pressure from being generated nearby is provided between the bottom plate and a water supply port of the water spray cylinder main body . As a structure for preventing a negative pressure from being generated adjacent to the water hole of the bottom plate, a horizontal plate extending along the bottom surface from the lower end of the water supply port may be provided, or the discharge direction of the water supply may be inclined upward. Alternatively, the vertical distance from the bottom plate to the lower end of the water supply port may be a value equal to or greater than a predetermined value determined from the flow velocity.
【０００５】[0005]
【作用】以上の構成において、散水筒本体へ給水口から
流入した製氷水は、そのまま流れ、本体底板の散水孔か
ら流出して、製氷板上へ散水される。負圧発生防止構造
として水平板を設けた場合は、水平板に案内されて、給
水はそのまま流れ、底面の散水孔の周辺では、負圧が発
生することはない。又、給水の放出方向を上向きに傾斜
させたり、散水孔が設けられた底板と、給水口の下端と
が所定値以上離れていれば、流路断面が急変して給水口
の直後に負圧が発生しても、底板の近傍にその影響が及
ばない。In the above construction, the ice making water flowing from the water supply port into the water spray cylinder main body flows as it is, flows out from the water sprinkling hole in the bottom plate of the main body, and is sprinkled on the ice making plate. When a horizontal plate is provided as a negative pressure generation preventing structure, the water supply is guided by the horizontal plate and the supplied water flows as it is, and no negative pressure is generated around the sprinkling hole on the bottom surface. In addition, if the discharge direction of the water supply is inclined upward or the bottom plate provided with water holes and the lower end of the water supply port are separated from each other by a predetermined value or more, the cross section of the flow path changes suddenly, and the negative pressure immediately follows the water supply port. Does not affect the vicinity of the bottom plate.
【０００６】[0006]
【実施例】以下、添付の図面を参照して本発明の実施例
を説明する。図１において、散水筒本体１０の底板１１
に多数の散水孔１１ａが設けられている。本体１０の一
端に連絡した給水口１３の下端から水平板１５が底板１
１と平行に延び、途中で終端している。このような構成
では、給水口１３から本体１０内に流入した水は、水平
板１５上を流れる。水平板１５の終端部では、流路面積
が、給水口１３の部分より大きくなっているので、すで
に流速が減少しており、実質的に負圧が発生しない。勿
論、最も入口側にある散水孔１１ａの近傍でも、水平板
１５により給水口１３の出口から隔離されているから、
負圧が発生しない。このため、流入した水は、全ての散
水孔１１ａから実質的に均等に流出し、散水される。Embodiments of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, a bottom plate 11 of a watering cylinder main body 10 is shown.
Are provided with a large number of watering holes 11a. The horizontal plate 15 is connected to the bottom plate 1 from the lower end of the water supply port 13 connected to one end of the main body 10.
It extends parallel to 1 and terminates halfway. In such a configuration, the water flowing into the main body 10 from the water supply port 13 flows on the horizontal plate 15. At the end of the horizontal plate 15, the flow area is larger than that of the water supply port 13, so that the flow velocity has already decreased, and substantially no negative pressure is generated. Of course, the vicinity of the sprinkling hole 11a on the most inlet side is also isolated from the outlet of the water supply port 13 by the horizontal plate 15,
No negative pressure is generated. Therefore, the inflowing water substantially uniformly flows out from all the watering holes 11a and is watered.
【０００７】以上の実施例では、水平板１５を設けて負
圧発生防止構造としたが、図２のように構成してもよ
い。図２において、散水筒本体２０の底板２１には、多
数の散水孔２１ａが所定の間隔をおいて穿設されてい
る。そして給水口２３は、図示のように底板２１に関し
て上向きに傾斜して形成されており、ここから流入する
水流の流線中心と、最も給水口２３に近い（図において
最左側）散水孔２１ａとの垂直方向の距離又は間隔ｈ
が、流速から定まる負圧の影響がこの散水孔２１ａに及
ばないような値以上になっている。前記ｈの値は、種々
のファクターを考慮して実験的に決められるが、その数
値の一例としては、具体的には、１０ｍｍ以上とする。
また、前述の給水口の傾斜については、給水口からの給
水の放出方向の角度を底板２１に対して３０゜ 以上とす
る。このような構成において、給水口２３から流入した
製氷水は、矢印に示すように流れ、天板に衝突し散水孔
２１ａから均等に流出する。この場合、給水口２３直後
の空間では、負圧が発生することもあるが、距離ｈだけ
離れているので底板２１の散水孔２１ａの近傍では、負
圧発生がなく、散水孔２１ａを通して空気を吸い込んだ
り、散水量が有意的に減少することはない。In the above embodiment, the horizontal plate 15 is provided to prevent the generation of the negative pressure. However, the horizontal plate 15 may be configured as shown in FIG. In FIG. 2, a large number of watering holes 21a are formed in the bottom plate 21 of the watering cylinder body 20 at predetermined intervals. The water supply port 23 is formed so as to be inclined upward with respect to the bottom plate 21 as shown in the figure, and a streamline center of a water flow flowing from the water supply port 23 and a water sprinkling hole 21a closest to the water supply port 23 (leftmost in the figure). Vertical distance or spacing h
However, the value is greater than or equal to a value such that the negative pressure determined by the flow velocity does not affect the water sprinkling hole 21a. The value of h is experimentally determined in consideration of various factors. As an example of the numerical value, specifically, it is set to 10 mm or more.
Regarding the inclination of the above-mentioned water supply port, the angle of the discharge direction of the water supply from the water supply port is set to 30 ° or more with respect to the bottom plate 21. In such a configuration, the ice making water flowing from the water supply port 23 flows as shown by the arrow, collides with the top plate, and flows out uniformly from the water sprinkling hole 21a. In this case, a negative pressure may be generated in the space immediately after the water supply port 23, but since the distance h is large, there is no negative pressure in the vicinity of the water hole 21a of the bottom plate 21, and the air flows through the water hole 21a. No inhalation or watering is significantly reduced.
【０００８】配管等の関係で、図２のように給水口２３
を傾斜できない場合は、図３に示すように、散水筒本体
３０の全高Ｈを大きくし、給水口３３を水平にしてもよ
い。この場合、給水口３３を通った製氷水は、流線が示
すように流れるが、前記給水口と最入口側の散水孔３１
ａとの距離ｈ′を流速と形状から定まる所定値以上にす
ることが肝要である。これは給水口３３の直後で、負圧
が発生しても、散水孔３１ａの近傍では負圧にならない
ように定められる。模型による実験等を行うことが、距
離ｈ′を定める実用的な手段である。[0008] As shown in FIG.
In the case where can not be inclined, as shown in FIG. 3, the total height H of the watering cylinder main body 30 may be increased, and the water supply port 33 may be horizontal. In this case, the ice making water that has passed through the water supply port 33 flows as indicated by the stream line.
It is important that the distance h 'to the distance a be equal to or more than a predetermined value determined from the flow velocity and the shape. This is set so that even if a negative pressure occurs immediately after the water supply port 33, the negative pressure does not occur near the watering hole 31a. Performing an experiment with a model is a practical means of determining the distance h '.
【０００９】[0009]
【発明の効果】以上説明したように、請求項１の発明に
よれば、負圧発生防止構造により、散水孔からは、空気
の吸込み等もなく、不足なく散水孔から製氷水が散水さ
れ、異形氷や白濁氷等の発生が防止される。又、請求項
２の発明によれば、水平板が、散水孔の近傍領域を主流
空間から離すので、その散水孔近傍領域での負圧発生が
防止され、ひいては異形氷や白濁氷等の発生が防止され
る。As described above, according to the first aspect of the present invention, the ice-making water is sprinkled from the water sprinkling hole without shortage of the air sprinkling hole and the like by the negative pressure generation preventing structure. The occurrence of deformed ice or cloudy ice is prevented. According to the second aspect of the present invention, since the horizontal plate separates the area near the watering hole from the mainstream space, the generation of negative pressure in the area near the watering hole is prevented, and the generation of deformed ice, cloudy ice, and the like. Is prevented.
【００１０】更に請求項３及び４の発明によれば、給水
の放出方向を上向きに傾斜させたり、散水筒本体の底板
から給水口までの距離を所定値以上としているので、給
水口の直後で負圧が発生しても底板の散水孔の近傍で負
圧が発生せず、散水孔から製氷水が均分に流出し、散水
されるので、異形氷や白濁氷等の発生が防止できる。ま
た、給水の放出方向を上向きに傾斜させた場合には、給
水口が下方に向くので作業性が良くなり、市場サービス
性も改善される。しかも、給水口を傾斜させれば、その
水平方向の長さが減少するので、機械寸法を小さくする
ことができると共に、コスト低減にもなる。Further, according to the third and fourth aspects of the present invention, the discharge direction of the water supply is inclined upward, or the distance from the bottom plate of the watering cylinder main body to the water supply port is set to a predetermined value or more. Even if a negative pressure is generated, no negative pressure is generated in the vicinity of the water hole in the bottom plate, and ice making water flows out uniformly from the water hole and is sprayed, so that generation of deformed ice, cloudy ice, and the like can be prevented. In addition, when the discharge direction of the water supply is inclined upward, the water supply port faces downward, so that the workability is improved and the market serviceability is also improved. In addition, if the water supply port is inclined, the length in the horizontal direction is reduced, so that the machine size can be reduced and the cost can be reduced.
【図１】 本発明の実施例による散水器構造を長さ方向
に短縮して示す断面図である。FIG. 1 is a sectional view showing a structure of a sprinkler according to an embodiment of the present invention shortened in a length direction.
【図２】 発明の別の実施例を示す短縮断面図である。FIG. 2 is a shortened sectional view showing another embodiment of the present invention.
【図３】 本発明の更に別の実施例を示す短縮断面図で
ある。FIG. 3 is a shortened sectional view showing still another embodiment of the present invention.
【図４】 従来の散水器の構造を示す分解斜視図であ
る。FIG. 4 is an exploded perspective view showing the structure of a conventional sprinkler.
【図５】 図４の散水器の使用・組立状況を示す分解斜
視図である。FIG. 5 is an exploded perspective view showing a usage / assembly state of the sprinkler of FIG. 4;
【図６】 図４の散水器の問題点を説明するための短縮
断面図である。FIG. 6 is a shortened sectional view for explaining a problem of the sprinkler of FIG. 4;
７…製氷水用給水管、 ８…除氷水用給水管、 １０…
散水筒本体、 １１…底板、 １１ａ…散水孔、 １３
…給水口、 １５…水平板、 ２０…散水筒本体、 ２
１…底板、 ２１ａ…散水孔、 ２３…給水口、３０…
散水筒本体、 ３１…底板、 ３１ａ…散水孔、 ３３
…給水口。7 ... water supply pipe for ice making water, 8 ... water supply pipe for deicing water, 10 ...
Watering pipe main body, 11: bottom plate, 11a: watering hole, 13
... water supply port, 15 ... horizontal plate, 20 ... sprinkler body, 2
DESCRIPTION OF SYMBOLS 1 ... Bottom plate, 21a ... Watering hole, 23 ... Water supply port, 30 ...
Main body of watering tube, 31: bottom plate, 31a: watering hole, 33
… Water inlet.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭63−14969（ＪＰ，Ｕ) 実開 昭60−89562（ＪＰ，Ｕ) 実開 昭59−172975（ＪＰ，Ｕ) 実開 平２−96576（ＪＰ，Ｕ) 実開 昭61−200568（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F25C 1/12 F25C 1/22 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 63-14969 (JP, U) JP-A 60-89562 (JP, U) JP-A 59-172975 (JP, U) JP 2- 96576 (JP, U) Japanese Utility Model Showa 61-200568 (JP, U) (58) Field surveyed (Int. Cl. 7 , DB name) F25C 1/12 F25C 1/22
Claims (4)
る散水筒本体を有し、この散水筒本体の一端に形成され
た給水口から散水筒本体内に製氷水が流入する流下式製
氷機の散水器において、給水口の近くに位置する散水孔を散水筒本体内に流入す
る製氷水の水流の流線中心から隔離あるいは遠ざけるこ
とにより散水孔の近傍で負圧が発生しないようにするた
めの負圧発生防止構造を前記底板と前記散水筒本体の給
水口との間に設けた ことを特徴とする流下式製氷機の散
水器構造。1. A horizontally extending bottom plate having a plurality of watering holes.
Having a watering barrel body formed at one end of the watering barrel body.
In the sprinkler of a falling ice machine in which ice water flows into the main body of the sprinkler through the water inlet, the sprinkler hole located near the water inlet flows into the main body of the sprinkler.
The ice making water flow away from the center of the stream.
To prevent negative pressure from being generated near the sprinkler hole.
A structure for preventing negative pressure from occurring is supplied to the bottom plate and the sprinkler body.
A sprinkler structure for a falling ice maker provided between the water outlet.
平方向に延出した水平板を底板の上方に設けることによ
り給水口の近くに位置する散水孔を前記給水口からの給
水の流線中心から隔離して前記負圧発生防止構造とした
ことを特徴とする請求項１記載の流下式製氷機の散水器
構造。2. A horizontal plate extending in the horizontal direction from the lower end of the water supply port into the water spray cylinder main body is provided above the bottom plate.
Water spout near the water inlet.
2. The sprinkler structure of a flow-down type ice making machine according to claim 1, wherein the negative pressure generation preventing structure is separated from the center of the water stream line .
底板に対して上向きに傾斜させることにより給水口の近
くに位置する散水孔を前記給水口からの給水の流速から
定まる所定値以上に給水の流線中心から遠ざけて前記負
圧発生防止構造としたことを特徴とする請求項１記載の
流下式製氷機の散水器構造。3. The water supply port from the water supply port is inclined upward with respect to the bottom plate so as to be close to the water supply port.
The sprinkling hole located at
2. The sprinkler structure of a flow-down type ice making machine according to claim 1, wherein said negative pressure generation preventing structure is provided at a distance more than a predetermined value from a center of a flow line of the supply water .
離を大きくすることにより給水口の近くに位置する散水
孔を前記給水口からの給水の流速から定まる所定値以上
に給水の流線中心から遠ざけて負圧発生防止構造とした
ことを特徴とする請求項１記載の流下式製氷機の散水器
構造。4. Sprinkling water near the water supply port by increasing the distance from the bottom plate to the lower end of the water supply port.
The hole is more than a predetermined value determined from the flow rate of water supply from the water supply port
2. A sprinkler structure for a flow-down type ice making machine according to claim 1, wherein a negative pressure generation preventing structure is provided at a distance from a flow line center of the feed water .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10010894A JP3213162B2 (en) | 1994-05-13 | 1994-05-13 | Sprinkler structure of falling ice machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10010894A JP3213162B2 (en) | 1994-05-13 | 1994-05-13 | Sprinkler structure of falling ice machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07305928A JPH07305928A (en) | 1995-11-21 |
| JP3213162B2 true JP3213162B2 (en) | 2001-10-02 |
Family
ID=14265190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10010894A Expired - Fee Related JP3213162B2 (en) | 1994-05-13 | 1994-05-13 | Sprinkler structure of falling ice machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3213162B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010043771A (en) * | 2008-08-11 | 2010-02-25 | Hoshizaki Electric Co Ltd | Water spray pipe for falling type ice-making machine |
| CN112050510B (en) * | 2019-06-06 | 2022-03-25 | 青岛海尔电冰箱有限公司 | Ice making assembly and refrigerator with same |
-
1994
- 1994-05-13 JP JP10010894A patent/JP3213162B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07305928A (en) | 1995-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |