JP2008224196A - Automatic ice making machine - Google Patents

Automatic ice making machine Download PDF

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JP2008224196A
JP2008224196A JP2007067530A JP2007067530A JP2008224196A JP 2008224196 A JP2008224196 A JP 2008224196A JP 2007067530 A JP2007067530 A JP 2007067530A JP 2007067530 A JP2007067530 A JP 2007067530A JP 2008224196 A JP2008224196 A JP 2008224196A
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ice making
air
making machine
machine room
ice
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JP5097420B2 (en
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Seishi Yamaoka
清史 山岡
Osao Kondo
修雄 近藤
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Hoshizaki Electric Co Ltd
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Hoshizaki Electric Co Ltd
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Priority to JP2007067530A priority Critical patent/JP5097420B2/en
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Priority to US12/583,785 priority patent/US20090320513A1/en
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    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0026—Details for cooling refrigerating machinery characterised by the incoming air flow
    • F25D2323/00264—Details for cooling refrigerating machinery characterised by the incoming air flow through the front bottom part
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00274—Details for cooling refrigerating machinery characterised by the out-flowing air from the front bottom
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00275—Details for cooling refrigerating machinery characterised by the out-flowing air from the front top
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85—Food storage or conservation, e.g. cooling or drying

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic ice making machine improved in exhaust heat efficiency. <P>SOLUTION: An ice making machine body 22 has a machine room 50 for arranging a refrigerating mechanism 60 such as a compressor 56, and air intake ports 30 and 30 opened in a front panel 24 and communicating with the machine room 50. A top panel 26 has a thermal insulation material 72 forming a plurality of air flow passages 74 making the machine room 50 communicate with an external part of the ice making machine body 22. These air flow passages 74 communicate with an air exhaust port 44 opened toward the outside surface of the front panel 24. Outside air taken in from the air intake ports 30 and 30 is exhausted to the outside of the ice making machine body 22 from the air exhaust port 44 via the air flow passages 74 after flowing in the machine room 50 and an ice making space 52. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、製氷機本体に取り入れた外部空気を循環させて、機械室の内部を空冷する自動製氷機に関するものである。   The present invention relates to an automatic ice making machine that circulates outside air taken into a main body of an ice making machine to air-cool the inside of a machine room.

従来より喫茶店やレストラン等の厨房では、所要形状の氷塊を製造する製氷機が、その用途や目的に応じて好適に使用されており、そのなかに、チップアイスやフレークアイスと云った小片状の氷塊(圧縮氷)を連続的に製造するオーガ式の自動製氷機がある(例えば、特許文献１参照)。このオーガ式製氷機の内部構造としては、種々の態様が提案されている。例えば、製氷機本体の内部下方に画成された機械室の上方にストッカを配設すると共に、該ストッカの後方に画成された空間(製氷スペース)に製氷機構が設置されたものがある。   Conventionally, in kitchens such as coffee shops and restaurants, ice making machines that produce ice blocks of the required shape have been used suitably according to their use and purpose, among them small pieces such as chip ice and flake ice There is an auger type automatic ice making machine that continuously manufactures ice blocks (compressed ice) (see, for example, Patent Document 1). Various aspects have been proposed as the internal structure of the auger type ice making machine. For example, there is one in which a stocker is disposed above a machine room defined below the inside of the ice making machine body, and an ice making mechanism is installed in a space (ice making space) defined behind the stocker.

図４は、このような従来のオーガ式製氷機１０の外観構成を示しており、機械室８には、図示しない凝縮器、圧縮機等からなる冷凍機構が配設され、機械室８の前側を製氷機本体のフロントパネル１２が覆っている。フロントパネル１２には、正面視で左右に離間する一対の開口部１４,１６が開設され、一方(図４の右側)の開口部は空気取入口１４、他方(図４の左側)の開口部は空気排出口１６として機能するようになっている。すなわち、機械室８の内部に配設された空冷ファン(図示せず)の作動により、前記空気取入口１４を介して外部空気を製氷機内に取り入れる。そして、この外部空気が、機械室８および製氷スペースを流通して空気排出口１６から排出される間に、機械室８を空冷するよう図られている。
特開２００３−１７２５６２号公報 FIG. 4 shows an external configuration of such a conventional auger type ice making machine 10, and a refrigeration mechanism including a condenser, a compressor, etc. (not shown) is disposed in the machine room 8, and the front side of the machine room 8. Is covered by the front panel 12 of the ice making machine main body. The front panel 12 is provided with a pair of openings 14 and 16 that are separated from each other in the front view. One opening (the right side in FIG. 4) is the air intake 14 and the other opening (the left side in FIG. 4). Functions as an air outlet 16. That is, external air is taken into the ice making machine via the air intake port 14 by the operation of an air cooling fan (not shown) disposed inside the machine room 8. And while this external air distribute | circulates the machine room 8 and the ice making space, and is discharged | emitted from the air discharge port 16, it is aimed at air-cooling the machine room 8. FIG.
JP 2003-172562 A

ところが、従来のように、オーガ式製氷機１０の下方(空気取入口１４)から取り入れた外部空気を、同じく製氷機１０の下方(空気排出口１６)から排出する構成では、外部空気は主として製氷機本体内の下方の領域(すなわち、機械室８側)を循環し、機械室８の上方に画成された製氷スペースへは外部空気が流通し難い構造となっている。殊に、製氷運転中、製氷スペースに設置された製氷機構が熱を排出するが、この排熱(高温空気)は製氷スペースの上部に滞留し易い。そのため、従来の如く、製氷機本体の下側を主に外部空気が循環する構成では、製氷機内部の殊に上部側の排熱が不十分となり、その結果、製氷機内の温度が上昇して製氷能力が低下したり、電装部品の誤作動や故障等が発生する原因となっていた。   However, in the conventional configuration in which external air taken from below the auger type ice making machine 10 (air intake 14) is discharged from the lower side of the ice making machine 10 (air outlet 16), the external air is mainly ice making. The structure is such that external air hardly circulates in an ice making space that circulates in a lower area (that is, the machine room 8 side) in the machine body and is defined above the machine room 8. In particular, during the ice making operation, the ice making mechanism installed in the ice making space discharges heat, but this exhaust heat (hot air) tends to stay in the upper part of the ice making space. For this reason, in the conventional configuration in which external air circulates mainly under the ice maker main body, the exhaust heat inside the ice maker, particularly the upper side, becomes insufficient, and as a result, the temperature inside the ice maker increases. Ice-making ability was reduced, and electrical components malfunctioned or failed.

そこで本発明は、従来の自動製氷機に内在する前記問題に鑑み、これを好適に解決するべく提案されたものであって、排熱効率を向上させて製氷機内部の温度上昇を抑制し得る自動製氷機を提供することを目的とする。   Therefore, the present invention has been proposed to solve the above-mentioned problems inherent in the conventional automatic ice making machine, and is an automatic machine that can improve the heat exhaust efficiency and suppress the temperature rise inside the ice making machine. An object is to provide an ice making machine.

前記課題を克服し、所期の目的を達成するため、請求項１に係る発明の自動製氷機は、
製氷機本体に内部画成されて冷凍機構が配設される機械室と、製氷機本体の内部における前記機械室の上方に設けられたストッカと、前記製氷機本体に開設されて前記機械室に連通する空気取入口とを備え、前記空気取入口から取り入れた外部空気により機械室の内部を冷却するよう構成した自動製氷機において、
前記製氷機本体の上面を構成するトップパネルとストッカとの間に設けられた断熱材に、前記機械室と製氷機本体の外部とを連通する空気流通路を形成し、
前記空気取入口から取り入れた外部空気を前記空気流通路を介して製氷機本体の外部へ排出するよう構成したことを特徴とする。
請求項１の発明によれば、製氷機の下方から取り入れた外部空気をトップパネルの断熱材に設けた空気流通路を介して外部へ排出するようにしたので、外部空気を下方から上方へ好適に循環させて製氷機内の排熱を効率よく行ない得る。 In order to overcome the above-mentioned problems and achieve the intended purpose, an automatic ice maker according to the invention according to claim 1 comprises:
A machine room that is internally defined in the ice making machine body and in which a refrigeration mechanism is disposed, a stocker provided above the machine room inside the ice making machine body, and opened in the ice making machine body to the machine room An automatic ice maker configured to cool the interior of the machine room with external air taken from the air intake,
In the heat insulating material provided between the top panel constituting the upper surface of the ice making machine main body and the stocker, an air flow path is formed that communicates the machine room and the outside of the ice making machine main body,
External air taken in from the air intake port is discharged to the outside of the ice making machine main body through the air flow passage.
According to the first aspect of the present invention, the external air taken from below the ice making machine is discharged to the outside through the air flow passage provided in the heat insulating material of the top panel. It is possible to efficiently exhaust heat in the ice making machine.

請求項２の自動製氷機では、製氷機本体におけるストッカの後方に、機械室および空気流通路に連通する製氷スペースが画成され、該製氷スペース内に配置した製氷機構で製造した氷塊がストッカに放出される。
請求項２に係る発明によれば、製氷スペースに配置された製氷機構から生ずる熱を効率的に外部へ排出することができる。 In the automatic ice making machine according to claim 2, an ice making space communicating with the machine room and the air flow passage is defined behind the stocker in the ice making machine body, and ice blocks produced by an ice making mechanism arranged in the ice making space are stored in the stocker. Released.
According to the invention which concerns on Claim 2, the heat which arises from the ice making mechanism arrange | positioned in the ice making space can be efficiently discharged | emitted outside.

請求項３の自動製氷機では、空気取入口は、機械室の前側を覆うフロントパネルに設けられている。
請求項３に係る発明によれば、機械室の前側から取り入れた外部空気を後方の製氷スペースへ送ることができ、外部空気をスムーズに流通させることができ、効率的な排熱を実現し得る。 In the automatic ice making machine according to the third aspect, the air intake is provided on the front panel covering the front side of the machine room.
According to the invention which concerns on Claim 3, the external air taken in from the front side of a machine room can be sent to the ice making space of back, external air can be distribute | circulated smoothly, and efficient exhaust heat can be implement | achieved. .

請求項４の自動製氷機では、空気流通路は、製氷機本体の前側に向けて開口する空気排出口を介して製氷機本体の外部に連通している。
請求項４の発明によれば、製氷機内を流通した空気を空気排出口から製氷機本体の前側へ向けて排出するようにしたので、製氷機本体の前側を排熱により加温して結露の発生を抑制し得る。 In the automatic ice making machine of claim 4, the air flow passage communicates with the outside of the ice making machine main body through an air discharge port that opens toward the front side of the ice making machine main body.
According to the invention of claim 4, since the air circulated in the ice making machine is discharged from the air discharge port toward the front side of the ice making machine main body, the front side of the ice making machine main body is heated by exhaust heat to cause condensation. Occurrence can be suppressed.

本発明に係る自動製氷機によれば、排熱効率が向上して、製氷機内の温度上昇を好適に抑制し得る。   According to the automatic ice maker according to the present invention, the exhaust heat efficiency is improved, and the temperature rise in the ice maker can be suitably suppressed.

次に、本発明に係る自動製氷機につき、好適な実施例を挙げて、添付図面を参照して以下に説明する。なお、以下の説明において前・後・左・右とは、自動製氷機を正面側(断熱扉が設けられた側)から見た場合を基準として指称する。   Next, a preferred embodiment of the automatic ice making machine according to the present invention will be described below with reference to the accompanying drawings. In the following description, “front / rear / left / right” refers to the case where the automatic ice maker is viewed from the front side (the side where the heat insulating door is provided).

図１および図２は、実施例に係る自動製氷機２０を示すものであって、実施例では、オーガ式の製氷機構が採用されている。自動製氷機２０の製氷機本体２２は、フロントパネル２４、トップパネル２６、サイドパネル２８,２８、バックパネル２９およびボトムパネル３１を夫々組み付けて、筐体状に構成されている。前記フロントパネル２４には、幅方向に離間して一対の空気取入口３０,３０が開設され、各空気取入口３０の前側にルーバー３２が配設されている。また、フロントパネル２４における上方に氷取出口３４が開口しており、製氷機本体２２に軸支された断熱扉３６が、該氷取出口３４を開閉自在に閉成し得るよう構成される。   1 and 2 show an automatic ice making machine 20 according to an embodiment. In the embodiment, an auger type ice making mechanism is employed. The ice making machine main body 22 of the automatic ice making machine 20 is configured in a housing shape by assembling a front panel 24, a top panel 26, side panels 28 and 28, a back panel 29, and a bottom panel 31. In the front panel 24, a pair of air intake ports 30, 30 are opened apart from each other in the width direction, and a louver 32 is disposed on the front side of each air intake port 30. Further, an ice outlet 34 is opened above the front panel 24, and a heat insulating door 36 pivotally supported by the ice making machine body 22 is configured to be able to open and close the ice outlet 34 so as to be freely opened and closed.

トップパネル２６は、一枚の薄板を蓋状に折曲成形したものであって、前記サイドパネル２８,２８およびバックパネル２９が囲繞する領域を上方から覆蓋するように配設される。トップパネル２６の前面側には、図１に示すように、下方に折曲げられて意匠面を構成する折曲部３８が形成されている。この折曲部３８の下端は、製氷機本体２２側(後方)へ所要厚みで折り返されて吹出部４０が形成される。更に、この吹出部４０の後端は、上方へ折り曲げられた位置決め部４２とされる。前記吹出部４０には、下方に向けて開放する空気排出口４４が左右方向に所定間隔で複数開設されている(図１では、１つのみ図示)。また、前記位置決め部４２の後面は、前記氷取出口３４の上部において左右に延在するフロントフレーム４６の前面に密閉状態で当接している。そして、これらフロントフレーム４６、折曲部３８等により、トップパネル２６の前側に排熱用の空気(外部空気)を流通させるための前方スペース４８が画成される。なお、前記フロントフレーム４６は、閉成時の断熱扉３６の上部後面が当接して該断熱扉３６を位置決めする機能も果たしている。   The top panel 26 is formed by bending a thin plate into a lid shape, and is disposed so as to cover the region surrounded by the side panels 28 and 28 and the back panel 29 from above. As shown in FIG. 1, a bent portion 38 that is bent downward and forms a design surface is formed on the front side of the top panel 26. The lower end of the bent portion 38 is folded back to the ice making machine main body 22 side (rear side) with a required thickness to form the blowing portion 40. Further, the rear end of the blowing portion 40 is a positioning portion 42 that is bent upward. A plurality of air discharge ports 44 that open downward are provided in the blowout portion 40 at predetermined intervals in the left-right direction (only one is shown in FIG. 1). Further, the rear surface of the positioning portion 42 is in contact with the front surface of the front frame 46 extending in the left and right directions in an upper portion of the ice outlet 34 in a sealed state. The front frame 46, the bent portion 38, and the like define a front space 48 for circulating exhaust heat air (external air) on the front side of the top panel 26. The front frame 46 also functions to position the heat insulating door 36 by contacting the upper rear surface of the heat insulating door 36 when closed.

製氷機本体２２の内部は、図１に示す如く、下方に画成された機械室５０と、該機械室５０の後部から上方に延在する製氷スペース５２と、該製氷スペース５２の前方に配設されるストッカ５４とから構成されている。前記機械室５０は前方が開放しており、前記空気取入口３０,３０を介して外部に連通している。機械室５０には、圧縮機５６や凝縮器５８等から構成される冷凍機構６０が配設され、凝縮器５８の後方に設置された空冷ファン６２によって左右の空気取入口３０,３０から外部空気を機械室５０内に取り入れるようになっている。また、機械室５０の後方に支持部材６４が設置され、該支持部材６４の上部にオーガ式の製氷機構６６が支持固定されている。すなわち、前記製氷機構６６は、前記製氷スペース５２内に配設される。   As shown in FIG. 1, the inside of the ice making machine body 22 is arranged in a machine room 50 defined below, an ice making space 52 extending upward from the rear part of the machine room 50, and in front of the ice making space 52. The stocker 54 is provided. The machine room 50 is open at the front and communicates with the outside through the air intake ports 30 and 30. The machine room 50 is provided with a refrigeration mechanism 60 composed of a compressor 56, a condenser 58, and the like, and external air is supplied from the left and right air intakes 30 and 30 by an air cooling fan 62 installed at the rear of the condenser 58. Is taken into the machine room 50. A support member 64 is installed behind the machine room 50, and an auger type ice making mechanism 66 is supported and fixed on the support member 64. That is, the ice making mechanism 66 is disposed in the ice making space 52.

前記機械室５０の上方に設けられるストッカ５４は、上方および前方が開放した断熱箱体であって、該ストッカ５４の後側に、後方に向けて膨出する氷放出部６８が形成されている。そして、この氷放出部６８内に前記製氷機構６６の上部が臨み、該製氷機構６６の上端から吐出される氷が氷放出部６８からストッカ５４内へ放出されるようになっている。前記ストッカ５４(氷放出部６８)の上部５４ａは、前記トップパネル２６とは所定間隔離間する高さに設定される。また、ストッカ５４の上方開口部は、薄板状の支持板７０により閉塞されている。すなわち、前記支持板７０は、前後の縁部がストッカ５４の上部５４ａにおける前端およびフロントフレーム４６の上端に密閉状態で支持されている。そして、前記支持板７０とトップパネル２６と間の空間に断熱材７２が設けられ、該断熱材７２の前後の面が前記前方スペース４８および製氷スペース５２に臨んでいる。   The stocker 54 provided above the machine room 50 is a heat insulating box that opens upward and forward, and an ice discharge portion 68 that bulges rearward is formed on the rear side of the stocker 54. . The upper part of the ice making mechanism 66 faces the ice discharge part 68, and the ice discharged from the upper end of the ice making mechanism 66 is discharged from the ice discharge part 68 into the stocker 54. The upper part 54a of the stocker 54 (ice discharge part 68) is set to a height that is separated from the top panel 26 by a predetermined distance. The upper opening of the stocker 54 is closed by a thin plate-like support plate 70. That is, the front and rear edges of the support plate 70 are supported in a sealed state at the front end of the upper portion 54 a of the stocker 54 and the upper end of the front frame 46. A heat insulating material 72 is provided in a space between the support plate 70 and the top panel 26, and front and rear surfaces of the heat insulating material 72 face the front space 48 and the ice making space 52.

図２に示すように、前記断熱材７２には、前後方向に延在する樋状の空気流通路７４が左右方向に離間して複数形成されている。すなわち、この空気流通路７４は、前記製氷スペース５２と前方スペース４８とを空間的に連通して、製氷スペース５２内を流通した外部空気を、空気流通路７４を介して前方スペース４８へ導くよう構成される。すなわち、実施例に係る自動製氷機２０は、空気取入口３０,３０から取り入れた外部空気が、機械室５０→製氷スペース５２→空気流通路７４→前方スペース４８を流通して、前記空気排出口４４から斜め下方(氷取出口３４の開口面に沿う方向)へ排出される排熱循環経路を備えている。   As shown in FIG. 2, a plurality of bowl-shaped air flow passages 74 extending in the front-rear direction are formed in the heat insulating material 72 so as to be spaced apart in the left-right direction. That is, the air flow passage 74 spatially communicates the ice making space 52 and the front space 48 and guides the external air flowing in the ice making space 52 to the front space 48 through the air flow passage 74. Composed. That is, in the automatic ice making machine 20 according to the embodiment, the external air taken in from the air intakes 30, 30 flows through the machine room 50 → the ice making space 52 → the air flow passage 74 → the front space 48, and the air discharge port An exhaust heat circulation path that is discharged obliquely downward from 44 (in a direction along the opening surface of the ice outlet 34) is provided.

(実施例の作用)
次に、実施例に係る自動製氷機２０の作用について説明をする。自動製氷機２０の運転が開始されると、前記空冷ファン６２が作動して、フロントパネル２４に設けた左右の空気取入口３０,３０から外部空気を機械室５０内に吸入する。機械室５０内に取り込まれた外部空気は、該機械室５０を後方へ流通して、製氷スペース５２に流入する。すると、外部空気は、製氷スペース５２内を上昇して、前記断熱材７２の後方から空気流通路７４内へ流入する。このとき、製氷運転中に製氷機構６６から排出された熱が、製氷スペース５２を流通する外部空気と共に空気流通路７４へ送られる。 (Operation of Example)
Next, the operation of the automatic ice making machine 20 according to the embodiment will be described. When the operation of the automatic ice making machine 20 is started, the air-cooling fan 62 is operated, and external air is sucked into the machine room 50 from the left and right air intakes 30, 30 provided in the front panel 24. The external air taken into the machine room 50 flows backward through the machine room 50 and flows into the ice making space 52. Then, the external air rises in the ice making space 52 and flows into the air flow passage 74 from behind the heat insulating material 72. At this time, the heat discharged from the ice making mechanism 66 during the ice making operation is sent to the air flow passage 74 together with the external air flowing through the ice making space 52.

空気流通路７４を流通した外部空気は、前方スペース４８で下方に流路を変えて、前記空気排出口４４から外部へ排出される。このとき、空気排出口４４は下方に向けて開口しており、外部空気はフロントフレーム４６の表面を沿うように排出される。従って、排熱により加温された外部空気が、フロントフレーム４６や閉成時の断熱扉３６等に吹付けられ、これらに結露が発生するのを抑制することができる。このように、実施例に係る自動製氷機２０では、下方の機械室５０から取り込んだ外部空気を製氷スペース５２内を上昇させ、更に、断熱材７２の空気流通路７４を介して製氷機本体２２の前側から排出させる排熱用の循環経路が確保されている。従って、自動製氷機２０内の排熱効率が向上して、製氷機本体２２内の温度上昇に伴なう製氷能力の低下や、電装部品の故障と云った弊害を抑制し得る。   The external air that has flowed through the air flow passage 74 changes the flow path downward in the front space 48 and is discharged to the outside from the air discharge port 44. At this time, the air discharge port 44 opens downward, and the external air is discharged along the surface of the front frame 46. Therefore, it is possible to prevent the external air heated by the exhaust heat from being blown to the front frame 46, the heat insulating door 36 at the time of closing, and the like, and the occurrence of condensation on these. As described above, in the automatic ice making machine 20 according to the embodiment, the outside air taken in from the lower machine room 50 is raised in the ice making space 52, and the ice making machine main body 22 is further passed through the air flow passage 74 of the heat insulating material 72. A circulation path for exhaust heat to be discharged from the front side is secured. Therefore, the exhaust heat efficiency in the automatic ice making machine 20 can be improved, and adverse effects such as a decrease in ice making capacity accompanying a temperature rise in the ice making machine body 22 and failure of electrical components can be suppressed.

(変更例)
なお、実施例で示した断熱材７２の空気流通路７４は、該断熱材７２の上部に樋状に形成されていた。しかしながら、この空気流通路７４としては、製氷スペース５２(機械室５０)と自動製氷機の外部とを連通するものであれば、如何なる構成であってもよい。例えば、図３に示すように、断熱材７３の内部に、前後方向に延在する中空の空気流通路７５を左右方向に複数形成するようにしてもよい。 (Change example)
In addition, the air flow path 74 of the heat insulating material 72 shown in the embodiment was formed in a bowl shape above the heat insulating material 72. However, the air flow passage 74 may have any configuration as long as the ice making space 52 (machine room 50) communicates with the outside of the automatic ice making machine. For example, as shown in FIG. 3, a plurality of hollow air flow passages 75 extending in the front-rear direction may be formed in the heat insulating material 73 in the left-right direction.

実施例では、フロントパネル２４に２つの空気取入口３０,３０を設け、外部空気の排出は、トップパネル２６の折曲部３８に設けた空気排出口４４を介してのみ行なう構成とした。しかしながら、例えば、図５に示すように、フロントパネル２４の一方(図５では、右側)に空気取入口３０を設けると共に、他方(図５では、左側)に第２の空気排出口７６を設けた構成を採用することも可能である。この別の変更例に係る自動製氷機７８によれば、空気取入口３０で取り入れた外部空気の一部は、実施例と同様に、機械室５０および製氷スペース５２を流通した後、前記空気流通路７４を介して空気排出口４４から排出される。一方、外部空気の残る一部は、主として機械室５０内を流通して前記第２の空気排出口７６から排出される。すなわち、変更例に係る自動製氷機７８では、外部空気が流通する経路が製氷機内に２つ確保され、外部空気の吸入および排出を更に効率的に行なうことができる。また、図４で示した如く、従来のオーガ式製氷機１０における空気取入口１４、空気排出口１６の構造をそのまま採用することができるので、開発コストを低廉にし得る。   In the embodiment, the front panel 24 is provided with the two air intakes 30 and 30 and the external air is discharged only through the air discharge port 44 provided in the bent portion 38 of the top panel 26. However, for example, as shown in FIG. 5, the air intake 30 is provided on one side (right side in FIG. 5) of the front panel 24 and the second air exhaust port 76 is provided on the other side (left side in FIG. 5). It is also possible to adopt a different configuration. According to the automatic ice making machine 78 according to this another modified example, a part of the external air taken in at the air intake 30 circulates in the machine room 50 and the ice making space 52 as in the embodiment, and then the air circulation. The air is discharged from the air outlet 44 through the path 74. On the other hand, the remaining part of the external air mainly flows through the machine room 50 and is discharged from the second air discharge port 76. That is, in the automatic ice maker 78 according to the modified example, two paths through which the external air flows are secured in the ice maker, and the intake and discharge of the external air can be performed more efficiently. Further, as shown in FIG. 4, the structure of the air intake port 14 and the air exhaust port 16 in the conventional auger type ice making machine 10 can be adopted as it is, so that the development cost can be reduced.

実施例では、自動製氷機２０の製氷機構としてオーガ式の製氷機構６６を採用した場合を例示したが、製氷機本体の下部側から外部空気を取り入れ、断熱材の空気流通路を介して外部空気を外部へ排出する構成であれば、噴射式の製氷機構や流下式の製氷機構等、他の異なるタイプの製氷機構を採用することが可能である。   In the embodiment, the case where the auger type ice making mechanism 66 is adopted as the ice making mechanism of the automatic ice making machine 20 is illustrated, but external air is taken in from the lower side of the ice making machine body, and the external air is passed through the air flow passage of the heat insulating material. If it is the structure which discharges to the exterior, it is possible to employ | adopt other types of ice making mechanisms, such as a jet type ice making mechanism and a flow-down type ice making mechanism.

実施例に係る自動製氷機の全体を示す側断面図である。It is a sectional side view which shows the whole automatic ice making machine based on an Example. 実施例に係る自動製氷機を示す全体斜視図である。1 is an overall perspective view showing an automatic ice making machine according to an embodiment. 変更例に係る断熱材を示す斜視図である。It is a perspective view which shows the heat insulating material which concerns on the example of a change. 従来例に係る自動製氷機の外観を示す全体斜視図である。It is a whole perspective view which shows the external appearance of the automatic ice making machine which concerns on a prior art example. 別の変更例に係る自動製氷機を示す全体斜視図である。It is a whole perspective view which shows the automatic ice making machine which concerns on another example of a change.

符号の説明Explanation of symbols

２２ 製氷機本体，２４ フロントパネル，２６ トップパネル
３０ 空気取入口，４４ 空気排出口，５０ 機械室，５２ 製氷スペース
５４ ストッカ，５６ 圧縮機，６０ 冷凍機構，７２,７３ 断熱材
７４,７５ 空気流通路 22 Ice Maker Main Body, 24 Front Panel, 26 Top Panel 30 Air Intake Port, 44 Air Outlet Port, 50 Machine Room, 52 Ice Making Space 54 Stocker, 56 Compressor, 60 Refrigeration Mechanism, 72,73 Heat Insulation Material 74,75 Air Flow Road

Claims (4)

製氷機本体(22)に内部画成されて冷凍機構(60)が配設される機械室(50)と、製氷機本体(22)の内部における前記機械室(50)の上方に設けられたストッカ(54)と、前記製氷機本体(22)に開設されて前記機械室(50)に連通する空気取入口(30)とを備え、前記空気取入口(30)から取り入れた外部空気により機械室(50)の内部を冷却するよう構成した自動製氷機において、
前記製氷機本体(22)の上面を構成するトップパネル(26)とストッカ(54)との間に設けられた断熱材(72,73)に、前記機械室(50)と製氷機本体(22)の外部とを連通する空気流通路(74,75)を形成し、
前記空気取入口(30)から取り入れた外部空気を前記空気流通路(74,75)を介して製氷機本体(22)の外部へ排出するよう構成した
ことを特徴とする自動製氷機。 A machine room (50) that is internally defined in the ice making machine body (22) and provided with a refrigeration mechanism (60), and provided above the machine room (50) inside the ice making machine body (22). A stocker (54) and an air intake port (30) that is opened in the ice making machine body (22) and communicates with the machine room (50), and the external air taken from the air intake port (30) In an automatic ice maker configured to cool the interior of the chamber (50),
A heat insulating material (72, 73) provided between a top panel (26) constituting the upper surface of the ice making machine body (22) and a stocker (54), the machine room (50) and the ice making machine body (22 Air flow passages (74, 75) communicating with the outside of the
An automatic ice maker configured to discharge external air taken from the air intake (30) to the outside of the ice maker body (22) through the air flow passages (74, 75). 前記製氷機本体(22)におけるストッカ(54)の後方に、前記機械室(50)および空気流通路(74,75)に連通する製氷スペース(52)が画成され、該製氷スペース(52)内に配置した製氷機構(66)で製造した氷塊がストッカ(54)に放出される請求項１記載の自動製氷機。   An ice making space (52) communicating with the machine room (50) and the air flow path (74, 75) is defined behind the stocker (54) in the ice making body (22), and the ice making space (52) The automatic ice maker according to claim 1, wherein ice blocks produced by an ice making mechanism (66) disposed therein are discharged to a stocker (54). 前記空気取入口(30)は、機械室(50)の前側を覆うフロントパネル(24)に設けられている請求項２記載の自動製氷機。   The automatic ice maker according to claim 2, wherein the air intake (30) is provided in a front panel (24) covering a front side of the machine room (50). 前記空気流通路(74,75)は、製氷機本体(22)の前側に向けて開口する空気排出口(44)を介して製氷機本体(22)の外部に連通している請求項１〜３の何れか一項に記載の自動製氷機。   The air flow passage (74, 75) communicates with the outside of the ice making machine main body (22) through an air discharge port (44) that opens toward the front side of the ice making machine main body (22). The automatic ice maker according to any one of 3.
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