JP5239467B2 - vending machine - Google Patents
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- JP5239467B2 JP5239467B2 JP2008099055A JP2008099055A JP5239467B2 JP 5239467 B2 JP5239467 B2 JP 5239467B2 JP 2008099055 A JP2008099055 A JP 2008099055A JP 2008099055 A JP2008099055 A JP 2008099055A JP 5239467 B2 JP5239467 B2 JP 5239467B2
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Description
本発明は、缶飲料などを冷却加温して販売する自動販売機において、圧縮機で圧縮された冷媒が凝縮する際に生じる潜熱を利用して冷却および加温を行う冷却加温システムとそれを用いた自動販売機に関するものである。 The present invention relates to a cooling and heating system that performs cooling and heating using latent heat generated when refrigerant compressed by a compressor condenses in a vending machine that sells canned beverages by cooling and heating the same It relates to a vending machine using the.
近年、自動販売機に対する消費電力削減の要求が高まってきており、消費電力を削減する手段としてヒートポンプで加温を行うシステムを利用したものが提案されている（特許文献１参照）。 In recent years, demands for reducing power consumption for vending machines have increased, and as a means for reducing power consumption, a system using a system that heats with a heat pump has been proposed (see Patent Document 1).
図１０は、特許文献１に記載された従来の自動販売機の冷媒回路図を示すものである。また、図１１は従来の自動販売機における機械室配置図を示したものである。図１０に示すように、従来の自動販売機は、コールド専用室１と第二のコールド専用室２とホット／コールド切替室３を備え、ホット／コールド切替室３内に設置した庫内熱交換器６、機械室に設置された圧縮機１１、庫外熱交換器１２、膨張機構１３、四方切替弁１４からなるホット／コールド切替室３を冷却／加温する冷却加温システム２０とコールド専用室１内に設置した蒸発器４と第二のコールド専用室２内に設置した第二の蒸発器５と、機械室に設置した圧縮機７、凝縮器８、膨張機構９、第二の膨張機構１０からなる冷却専用システム１９とを有する。 FIG. 10 is a refrigerant circuit diagram of a conventional vending machine described in Patent Document 1. In FIG. FIG. 11 shows a layout of machine rooms in a conventional vending machine. As shown in FIG. 10, the conventional vending machine includes a cold-only room 1, a second cold-only room 2, and a hot / cold switching room 3, and internal heat exchange installed in the hot / cold switching room 3. Cooling and heating system 20 for cooling / heating the hot / cold switching chamber 3 including the compressor 6, the compressor 11 installed in the machine room, the external heat exchanger 12, the expansion mechanism 13, and the four-way switching valve 14, and cold only The evaporator 4 installed in the chamber 1, the second evaporator 5 installed in the second cold chamber 2, the compressor 7, the condenser 8, the expansion mechanism 9, and the second expansion installed in the machine room. And a dedicated cooling system 19 including the mechanism 10.
ここで、冷却加温システム２０でホット／コールド切替室３を冷却・加温する際には、四方切替弁１４を動作させることでホット／コールド切替室３を冷却する場合には、庫外熱交換器１２が凝縮器として、庫内熱交換器６が蒸発器として作用させ、ホット／コールド切替室３を加温する場合には庫内熱交換器６が凝縮器として、庫外熱交換器１２が蒸発器として作用させている。 Here, when the hot / cold switching chamber 3 is cooled and warmed by the cooling / heating system 20, when the hot / cold switching chamber 3 is cooled by operating the four-way switching valve 14, the external heat When the exchanger 12 serves as a condenser and the internal heat exchanger 6 acts as an evaporator and the hot / cold switching chamber 3 is heated, the internal heat exchanger 6 serves as a condenser and the external heat exchanger. 12 acts as an evaporator.
また、冷却専用システム１９の凝縮器８と冷却加温システム２０の庫外熱交換器１２とをフィンを共有する一体型熱交換器として形成することで冷却加温システム２０で加温運転する際には庫外熱交換器１２が蒸発器として作用する際に、凝縮器８と熱交換を行うことで庫外熱交換器１２での結露を防止している。
しかしながら、上記従来の構成では、冷却加温システムの庫内熱交換器と庫外熱交換器とを接続する配管、特に膨張機構と庫外熱交換器との間では冷媒が蒸発することで配管温度が周囲温度より低下するために、周囲空気の湿度が高い場合は配管上で結露が発生し、配管から滴下することで自動販売機庫外への水漏れが起こるといった課題がある。 However, in the above-described conventional configuration, the piping connecting the internal heat exchanger and the external heat exchanger of the cooling and heating system, in particular, the refrigerant evaporates between the expansion mechanism and the external heat exchanger. Since the temperature is lower than the ambient temperature, there is a problem that dew condensation occurs on the pipe when the humidity of the ambient air is high, and water leaks outside the vending machine cabinet by dropping from the pipe.
また、冷却加温システムでの加温運転と冷却専用システムの冷却運転とでは、冷却庫内の負荷が加温庫内の負荷よりも低いために冷却専用システムの運転率が冷却加温システムよりも低くなることがあり、冷却専用システムが停止した時に冷却加温システムの庫外熱交換器温度が低下することで結露が発生し、機械室内に水が滴下するといった課題もある。 Also, in the heating operation in the cooling and heating system and the cooling operation in the cooling dedicated system, the operating rate of the cooling dedicated system is higher than that of the cooling heating system because the load in the cooling chamber is lower than the load in the heating chamber. There is also a problem that when the dedicated cooling system is stopped, dew condensation occurs due to a decrease in the temperature of the external heat exchanger of the cooling and heating system, and water drops in the machine room.
本発明は、上記従来の課題を解決するもので、冷却加温システムで加温運転を行う場合に、自動販売機庫外への水が漏れるのを防ぐことを目的とする。 This invention solves the said conventional subject, and when performing a heating operation with a cooling heating system, it aims at preventing the water to leak out of a vending machine storehouse.
上記従来の課題を解決するために、本発明の自動販売機は、庫内に投入された商品を、前記庫内に配置された庫内熱交換器、前記庫内の下方に配置した機械室の圧縮機、庫外熱交換器、流路を切替える電磁弁、膨張機構とを環状に接続する冷却加温システムによって冷媒の流れを切り替えることで、冷却または加温する自動販売機において、前記機械室に、庫内冷却時に前記庫内熱交換器に付着した水を回収する第１の蒸発皿と、前記庫外熱交換器の下方に設けられて庫内加温時に前記庫外熱交換器に付着した水を回収する第２の蒸発皿と、庫内加温時に前記膨張機構の出口から前記庫外熱交換器までの前記冷却加温システムの配管に付着した水を回収する受け皿とを備え、前記受け皿の上部に前記膨張機構と
前記庫外熱交換器とを接続する前記配管を前記受け皿の上部に集約配置し、前記受け皿の底面が前記第２の蒸発皿の底面よりも高い位置になるように前記受け皿を設置し、前記受け皿は、前記受け皿に回収された水を、前記庫外熱交換器のエンドプレート下部に設けた切り欠きを通して前記第２の蒸発皿の上方から前記第２の蒸発皿に導く構成にしたので、冷却加温システムで加温運転を行う場合に、膨張機構の出口から庫外熱交換器までの冷却加温システムの配管に付着した水と庫外熱交換器に付着した水が、自動販売機庫外へ漏れるのを防止する事が可能となる。
In order to solve the above-mentioned conventional problems, the vending machine of the present invention includes a machine room in which a product put in a warehouse is placed in the warehouse, a heat exchanger disposed in the warehouse, and a lower part in the warehouse. In the vending machine that cools or heats the refrigerant by switching the flow of the refrigerant by a cooling and heating system that connects the compressor, the external heat exchanger, the electromagnetic valve that switches the flow path, and the expansion mechanism in a ring shape, A first evaporating dish that collects water adhering to the internal heat exchanger during cooling in the chamber, and the external heat exchanger provided under the external heat exchanger and warmed in the chamber A second evaporating dish for collecting water adhering to the tank, and a tray for collecting water adhering to the piping of the cooling and heating system from the outlet of the expansion mechanism to the external heat exchanger when the inside is heated. And connecting the expansion mechanism and the external heat exchanger to the upper part of the tray The serial pipe aggregate placed on top of the pan bottom surface of the pan is placed the pan so that a position higher than the bottom surface of the second evaporation tray, the pan, the water collected in said pan Is guided to the second evaporating dish from above the second evaporating dish through a notch provided in the lower part of the end plate of the external heat exchanger, so that the heating operation is performed by the cooling and heating system. In this case, the water adhering to the piping of the cooling and heating system from the outlet of the expansion mechanism to the external heat exchanger and the water adhering to the external heat exchanger can be prevented from leaking outside the vending machine. It becomes possible.
本発明の自動販売機は、冷却加温システムで加温運転を行う場合に、膨張機構の出口から庫外熱交換器までの冷却加温システムの配管に付着した水と庫外熱交換器に付着した水が、自動販売機庫外へ漏れるのを防止することができる。また、受け皿で受けた配管の結露水を第２の蒸発皿に導いてファンによる風で蒸発させることができ、ファンによる風の流れが少ない受け皿における結露水のオーバーフローを防ぐことができる。また、冷却加温システムの配管のうち結露が発生しやすくなる膨張機構の出口から庫外熱交換器に至る配管を庫外熱交換器近傍で集約して受け皿を小型化することができ、また配管の結露水を受け皿から第２の蒸発皿へと導きやすくなる。 When the vending machine according to the present invention performs a heating operation in the cooling and heating system, the vending machine is connected to water attached to the piping of the cooling and heating system from the outlet of the expansion mechanism to the outside heat exchanger and the outside heat exchanger. It is possible to prevent the adhered water from leaking outside the vending machine warehouse. Further, the condensed water in the pipe received by the tray can be guided to the second evaporating tray and evaporated by the wind from the fan, and the overflow of the condensed water in the tray where the flow of the wind by the fan is small can be prevented. In addition, it is possible to reduce the size of the tray by concentrating the piping from the outlet of the expansion mechanism where condensation is likely to occur to the external heat exchanger near the external heat exchanger in the cooling and heating system. It becomes easy to guide the condensed water from the pipe to the second evaporating dish.
請求項１に記載の発明は、庫内に投入された商品を、前記庫内に配置された庫内熱交換器、前記庫内の下方に配置した機械室の圧縮機、庫外熱交換器、流路を切替える電磁弁、膨張機構とを環状に接続する冷却加温システムによって冷媒の流れを切り替えることで、冷却または加温する自動販売機において、前記機械室に、庫内冷却時に前記庫内熱交換器に付着した水を回収する第１の蒸発皿と、前記庫外熱交換器の下方に設けられて庫内加温時に前記庫外熱交換器に付着した水を回収する第２の蒸発皿と、庫内加温時に前記膨張機構の出口から前記庫外熱交換器までの前記冷却加温システムの配管に付着した水を回収する受け皿とを備え、前記受け皿の上部に前記膨張機構と前記庫外熱交換器とを接続する前記配管を前記受け皿の上部に集約配置し、前記受け皿の底面が前記第２の蒸発皿の底面よりも高い位置になるように前記受け皿を設置し、前記受け皿は、前記受け皿に回収された水を、前記庫外熱交換器のエンドプレート下部に設けた切り欠きを通して前記第２の蒸発皿の上方から前記第２の蒸発皿に導く構成にしたことで、冷却加温システムで加温運転を行う場合に、膨張機構の出口から庫外熱交換器までの冷却加温システムの配管に付着した水と庫外熱交換器に付着した水が、自動販売機庫外へ漏れるのを防止することができる。また、受け皿で受けた配管の結露水を第２の蒸発皿に導いてファンによる風で蒸発させることができ、ファンによる風の流れが少ない受け皿における結露水のオーバーフローを防ぐことができる。また、冷却加温システムの配管のうち結露が発生しやすくなる膨張機構の出口から庫外熱交換器に至る配管を庫外熱交換器近傍で集約して受け皿を小型化することができ、また配管の結露水を受け皿から第２の蒸発皿へと導きやすくなる。 According to the first aspect of the present invention, there is provided an in-compartment heat exchanger, a machine room compressor disposed below the in-compartment, and an external heat exchanger. In the vending machine that cools or heats the refrigerant by switching the flow of the refrigerant by a cooling and heating system that connects the flow path with a solenoid valve and an expansion mechanism in an annular shape, A first evaporating dish for collecting water adhering to the internal heat exchanger, and a second evaporating dish provided below the external heat exchanger for recovering water adhering to the external heat exchanger during internal heating And a tray for collecting water adhering to the piping of the cooling and heating system from the outlet of the expansion mechanism to the external heat exchanger during warming in the chamber, and the expansion on the upper portion of the tray The piping connecting the mechanism and the external heat exchanger is collected on the upper part of the tray. Arrangement and, by placing the pan so that the bottom of the pan is positioned higher than the bottom surface of the second evaporation tray, the saucer, the recovered water to the pan, of the outside-compartment heat exchanger By adopting a configuration in which the second evaporating dish is guided from above the second evaporating dish through a notch provided at the lower part of the end plate , when performing a heating operation in the cooling and heating system, from the outlet of the expansion mechanism It is possible to prevent water adhering to the piping of the cooling and heating system up to the external heat exchanger and water adhering to the external heat exchanger from leaking outside the vending machine. Further, the condensed water in the pipe received by the tray can be guided to the second evaporating tray and evaporated by the wind from the fan, and the overflow of the condensed water in the tray where the flow of the wind by the fan is small can be prevented. In addition, it is possible to reduce the size of the tray by concentrating the piping from the outlet of the expansion mechanism where condensation is likely to occur to the external heat exchanger near the external heat exchanger in the cooling and heating system. It becomes easy to guide the condensed water from the pipe to the second evaporating dish.
請求項２に記載の発明は、請求項１に記載の発明にさらに、冷却加温システムで使用するすべての流路切替弁を受け皿上方に固定するためのブラケットを備えたものであり、流路切替弁に接続される配管からの結露水をまとめて受け皿で受けることができるので、外部への滴下を防ぐことができる。 The invention according to claim 2 is provided with a bracket for fixing all the flow path switching valves used in the cooling and heating system to the upper part of the tray in addition to the invention according to claim 1 , Since dew condensation water from the pipes connected to the switching valve can be collectively received by the tray, dripping to the outside can be prevented.
以下、本発明の実施の形態について、図面を参照しながら説明するが、その詳細な説明は省略する。なお、この実施の形態によってこの発明が限定されるものではない。 Hereinafter, embodiments of the present invention will be described with reference to the drawings, but detailed description thereof will be omitted. The present invention is not limited to the embodiments.
（実施の形態１）
図１は、本発明の実施の形態１における自動販売機の正面図、図２は実施の形態１における自動販売機の断面図を示す。また、図３に冷媒回路図、図４に機械室内ユニットの平面図、図５に機械室内ユニットの前方斜視図を示す。
(Embodiment 1)
FIG. 1 is a front view of a vending machine according to the first embodiment of the present invention, and FIG. 2 is a cross-sectional view of the vending machine according to the first embodiment. 3 is a refrigerant circuit diagram, FIG. 4 is a plan view of the machine room unit, and FIG. 5 is a front perspective view of the machine room unit.
図１において、自動販売機３０は缶飲料商品を冷却あるいは加温販売するものであり、全面に開口した断熱箱体からなる本体３１と、この本体３１に片側を回動自在に枢支された開閉自在の前面扉３２から構成されている。前面扉３２の下部には販売口３３が配置されている。 In FIG. 1, a vending machine 30 is for cooling or heating and selling canned beverage products, and a main body 31 formed of a heat insulating box that is open on the entire surface, and one side of which is pivotally supported by the main body 31. The front door 32 is openable and closable. A sales opening 33 is arranged at the lower part of the front door 32.
この前面扉３２の後方には、前面に断熱扉（図示せず）を有する商品収納庫３４が本体内に形成されている。この商品収納庫３４内は図１のように、内部に断熱材が充填された区画壁３５と３６により左右３室に区画されており、区画壁３５の左側に冷却庫３７が形成され、区画壁３５と区画壁３６間に位置した中央に冷却と加温のいずれかを選択して切り替え可能な冷却加温庫３８が形成され、区画壁３６の右側にも冷却と加温のいずれかを選択して切り替え可能な冷却加温庫３９が形成されている。 A product storage 34 having a heat insulating door (not shown) on the front is formed in the main body behind the front door 32. As shown in FIG. 1, the product storage 34 is divided into left and right three chambers by partition walls 35 and 36 filled with a heat insulating material, and a cooling box 37 is formed on the left side of the partition wall 35. A cooling / heating chamber 38 is formed at the center located between the wall 35 and the partition wall 36 and can be switched by selecting either cooling or heating, and either cooling or heating is also provided on the right side of the partition wall 36. A cooling and heating chamber 39 that can be selected and switched is formed.
またそれぞれ室内には収納棚４０が商品収納庫３４の上部に吊り下げられており、商品４１が内部に収納されている。そして収納棚４０の下部には選択された商品４１を搬出する搬出装置４２が配置され、１個ずつ商品４１を下方に落下させる。搬出装置４２の下方には販売口３３に向かって傾斜したシュート４３が配置されており、各収納棚４０から排出された商品４１は、このシュート４３上に落下し、転動して販売口３３に導かれるものである。 In each room, a storage shelf 40 is suspended above the product storage 34, and a product 41 is stored inside. In the lower part of the storage shelf 40, a carry-out device 42 for carrying out the selected product 41 is disposed, and the product 41 is dropped downward one by one. A chute 43 inclined toward the sales outlet 33 is disposed below the carry-out device 42, and the product 41 discharged from each storage shelf 40 falls on the chute 43 and rolls to sell the sales outlet 33. It will be led to.
シュート４３の下側には冷却庫３７、冷却加温庫３８、３９にそれぞれ対応して冷却室４４、冷却加温室４５、４６が備えられている。冷却室４４内には蒸発器４７、冷却加温室内４５には蒸発器４８、加温時に通電する電気ヒータ４９を備えている。また、冷却加温室４６内には庫内熱交換器５０と加温時に庫内熱交換器５０の補助として通電可能な電気ヒータ５１を備えている。また各室にはそれぞれ庫内ファン（図示せず）があり、強制送風して庫内を強制的に循環させ、各室それぞれに備えた庫内センサー（図示せず）によって庫内を適温に制御する。 Below the chute 43, a cooling chamber 44 and cooling chambers 45 and 46 are provided corresponding to the cooling chamber 37 and the cooling and heating chambers 38 and 39, respectively. An evaporator 47 is provided in the cooling chamber 44, an evaporator 48 is provided in the cooling greenhouse 45, and an electric heater 49 is energized when heated. Moreover, the inside of the cooling greenhouse 46 is provided with an internal heat exchanger 50 and an electric heater 51 that can be energized as an auxiliary to the internal heat exchanger 50 during heating. Each room has an internal fan (not shown), forcibly ventilates the inside of the room to forcibly circulate, and the inside of the room is kept at a suitable temperature by a sensor (not shown) provided for each room. Control.
本体の下方には、商品収納庫３４の下部に備えた区画壁５２によって区画された機械室５３を形成している。 A machine room 53 defined by a partition wall 52 provided in the lower part of the product storage 34 is formed below the main body.
図３より、本実施の形態における自動販売機は、蒸発器４７、４８と環状に接続される機械室５３に配置された第１の圧縮機６０と凝縮器６１と冷媒の流路を切替える三方弁６２と膨張機構であるキャピラリーチューブ６３、６４で構成された冷却システム７２と冷却加温室３９に配置された庫内熱交換器５０と環状に接続される機械室５３に配置された第２の圧縮機６５と庫外熱交換器６７と冷媒の流路を切替える電磁弁６６と膨張機構であるキャピラリーチューブ７０、逆止弁６９で構成された冷却加温システム７３とで構成されている。冷媒は可燃性のＨＣ冷媒を使用し、実施例の場合はイソブタンを使用している。 As shown in FIG. 3, the vending machine according to the present embodiment is configured to switch between the first compressor 60, the condenser 61, and the refrigerant flow path disposed in the machine chamber 53 that is annularly connected to the evaporators 47 and 48. A cooling system 72 composed of a valve 62 and capillary tubes 63 and 64 as an expansion mechanism, and an internal heat exchanger 50 disposed in the cooling greenhouse 39 and a second chamber disposed in a machine room 53 connected in an annular shape. The compressor 65, the external heat exchanger 67, an electromagnetic valve 66 for switching the refrigerant flow path, a capillary tube 70 as an expansion mechanism, and a cooling and heating system 73 including a check valve 69 are included. As the refrigerant, combustible HC refrigerant is used, and in the case of the embodiment, isobutane is used.
図４、図５より凝縮器６１と庫外熱交換器６７はフィンチューブ式の熱交換器で、共通のフィンを貫通させてお互いに前後方向に重ねて形成した一体型の熱交換器７４として形成され、ユニットベース８６前方側に配設されている。また、庫外熱交換器６７は冷却加温システム７３が冷却運転をしている際には凝縮器として、冷却加温システム７３が加温運転している際には蒸発器として作用する。 4 and 5, the condenser 61 and the external heat exchanger 67 are fin-tube heat exchangers, which are integrated heat exchangers 74 that are formed by passing through common fins and overlapping each other in the front-rear direction. It is formed and disposed on the front side of the unit base 86. The external heat exchanger 67 functions as a condenser when the cooling and heating system 73 is performing a cooling operation, and as an evaporator when the cooling and heating system 73 is performing a heating operation.
第１の蒸発皿８１は機械室上に設置され、凝縮器６１背面に凝縮器ファン７１とエアガイド８４を設けて凝縮器ファン７１からの風を第１の蒸発皿８１へと導く。第２の蒸発皿８２は一体型熱交換器７４下方に設置される。 The first evaporating dish 81 is installed on the machine room, and a condenser fan 71 and an air guide 84 are provided on the back surface of the condenser 61 to guide the wind from the condenser fan 71 to the first evaporating dish 81. The second evaporating dish 82 is installed below the integrated heat exchanger 74.
また、受け皿８３は冷却加温システム７３の庫外熱交換器６７と庫内熱交換器５０とを連結する配管８５の下方に設けられ、一体型熱交換器７４のエンドプレート下部に切り欠きを設けてその切り欠きを通して第２の蒸発皿８２と連結し、受け皿８３の底面部の高さを第２の蒸発皿８２の底面部よりも高くすることで受け皿８３で受けた結露水を第２の蒸発皿８２へと導く。このとき受け皿８３の底面部は第２の蒸発皿８２へ結露水が流れるように傾斜面になるように構成してもよい。これによって第２の蒸発皿８２へ容易に導くことができる。 The tray 83 is provided below a pipe 85 that connects the external heat exchanger 67 and the internal heat exchanger 50 of the cooling and heating system 73, and a notch is formed in the lower part of the end plate of the integrated heat exchanger 74. The second evaporating dish 82 is connected to the second evaporating dish 82 through the notch, and the height of the bottom surface of the receiving tray 83 is made higher than the bottom surface of the second evaporating dish 82, so that the dew condensation water received by the receiving tray 83 is second. To the evaporating dish 82. At this time, the bottom surface of the tray 83 may be configured to be an inclined surface so that condensed water flows to the second evaporating tray 82. As a result, the second evaporating dish 82 can be easily guided.
また、受け皿８３はユニットベース８６にビス８８で固定されている。また、ユニットベース８６上の受け皿８３後方に受け皿８３の回転防止のためにフォームによる止め板８７が設けられている。 The tray 83 is fixed to the unit base 86 with screws 88. A foam stop plate 87 is provided behind the tray 83 on the unit base 86 to prevent the tray 83 from rotating.
また、冷却加温室３９の加温時に冷媒が流れる配管部８５のうち特にキャピラリーチューブ７０ａ出口から庫外熱交換器６７までの配管部を受け皿８３の上部で庫外熱交換器６７近傍に集約している。 In addition, in the pipe part 85 through which the refrigerant flows when the cooling chamber 39 is heated, the pipe part from the capillary tube 70 a outlet to the outside heat exchanger 67 is collected near the outside heat exchanger 67 in the upper part of the tray 83. ing.
また、加温時は逆止弁６９ｂを閉じてドライヤ６８に冷媒が流れないようにしているが、冷媒がイソブタンのように冷媒圧力が低い場合でも、実際には完全に逆止弁６９ｂを閉じることができず、わずかではあるが冷媒がキャピラリーチューブ７０ｂで減圧されて逆止弁６９ｂ、ドライヤ６８を通過する。このためキャピラリーチューブ７０ｂの出口付近からドライヤ６８の間に亘っても結露する場合があり、少なくとも庫外熱交換器６７と庫内熱交換器５０との間に接続されたキャピラリーチューブ７０ａ、７０ｂ、逆止弁６９ａ、６９ｂそしてドライヤ６８を接続する配管が受け皿８３の上部になるように集約されている。したがって受け皿８３によって上記の部分の配管部８５の結露水を溜めることができる。そしてイソブタンのような冷媒圧力の低い可燃性冷媒を使用することで、加温時に冷媒が流れないように制御する逆止弁などからの冷媒漏れを抑制でき、適正冷媒量を確保できるので、省冷媒化を実現することができる。 Further, the check valve 69b is closed to prevent the refrigerant from flowing into the dryer 68 during heating, but the check valve 69b is actually completely closed even when the refrigerant pressure is low, such as isobutane. However, the refrigerant is reduced in pressure by the capillary tube 70 b and passes through the check valve 69 b and the dryer 68. For this reason, condensation may occur even between the vicinity of the outlet of the capillary tube 70b and the dryer 68, and at least the capillary tubes 70a, 70b connected between the external heat exchanger 67 and the internal heat exchanger 50, The pipes connecting the check valves 69 a and 69 b and the dryer 68 are gathered so as to be at the upper part of the tray 83. Therefore, the receiving tray 83 can store the dew condensation water in the pipe portion 85 of the above portion. By using a flammable refrigerant with a low refrigerant pressure, such as isobutane, it is possible to suppress refrigerant leakage from a check valve that controls the refrigerant not to flow during heating, and to secure an appropriate amount of refrigerant. Refrigerating can be realized.
以上のように、構成された自動販売機について、以下その動作、作用を説明する。 The operation and action of the vending machine configured as described above will be described below.
まず、冷却加温庫３９を冷却する場合、冷媒流路を切替える電磁弁６６のうち、６６ａ、６６ｄを開き、６６ｂ、６６ｃを閉じる。そうすることで第２の圧縮機６５から吐出された冷媒は電磁弁６６ａを通って庫外熱交換器６７へと供給されて凝縮液化する。その後液冷媒はドライヤ６８、逆止弁６９ｂを経由してキャピラリーチューブ７０ｂに至り、減圧された後、庫内熱交換器５０にて蒸発気化し、ガス冷媒となって電磁弁６６ｄから第２の圧縮機６５へと戻る。 First, when cooling the cooling and heating chamber 39, among the electromagnetic valves 66 for switching the refrigerant flow path, 66a and 66d are opened, and 66b and 66c are closed. By doing so, the refrigerant discharged from the second compressor 65 is supplied to the external heat exchanger 67 through the electromagnetic valve 66a and is condensed and liquefied. Thereafter, the liquid refrigerant reaches the capillary tube 70b via the dryer 68 and the check valve 69b, and after being depressurized, evaporates and evaporates in the internal heat exchanger 50, becomes a gas refrigerant, and is supplied from the electromagnetic valve 66d to the second valve. Return to the compressor 65.
また冷却加温室３９を加温する場合、電磁弁６６ｂ、６６ｃを開き、電磁弁６６ａ、６６ｄを閉じることで、第２の圧縮機６５から吐出された冷媒は電磁弁６６ｃを通って庫内熱交換器５０へと向かい、凝縮液化する。この液冷媒の温度は収納室の設定温度によって変化する。一般に缶飲料を加温する場合は設定温度が５０〜６０℃であり、庫内熱交換器５０の凝縮温度は６０〜８０℃となる。そして、庫内熱交換器６７から出た液冷媒はキャピラリーチューブ７０ａにて減圧された後に、逆止弁６９ａを通過して庫外熱交換器６７へと供給されて蒸発気化し、電磁弁６６ｂを経て第２の圧縮機６５へ還流する。一般に外気温度が低くなると庫外熱交換器６７の蒸発温度を低くする必要があり、特に、外気温度が５℃以下になると蒸発温度はマイナス温度になり、庫外熱交換器６７に着霜が発生する。また、周囲環境が多湿条件となり、庫外熱交換器６７の管表面温度やフィン温度が露点を下回ると結露が発生する恐れがある。 When heating the cooling greenhouse 39, the electromagnetic valves 66b and 66c are opened and the electromagnetic valves 66a and 66d are closed, so that the refrigerant discharged from the second compressor 65 passes through the electromagnetic valve 66c and heats inside the cabinet. It goes to the exchanger 50 and condensates. The temperature of the liquid refrigerant changes depending on the set temperature of the storage chamber. Generally, when heating a can beverage, the set temperature is 50 to 60 ° C, and the condensation temperature of the internal heat exchanger 50 is 60 to 80 ° C. Then, the liquid refrigerant discharged from the internal heat exchanger 67 is depressurized by the capillary tube 70a, passes through the check valve 69a, is supplied to the external heat exchanger 67 and is evaporated, and the electromagnetic valve 66b. And return to the second compressor 65. Generally, when the outside air temperature becomes low, it is necessary to lower the evaporation temperature of the outside heat exchanger 67. In particular, when the outside air temperature becomes 5 ° C. or less, the evaporation temperature becomes a negative temperature, and the outside heat exchanger 67 is frosted. Occur. Further, if the surrounding environment is in a humid condition and the tube surface temperature and fin temperature of the external heat exchanger 67 are below the dew point, condensation may occur.
しかし、本実施の形態の庫外熱交換器６７は、冷却システム７２の凝縮器６１と一体型熱交換器７４となっており、冷却システム７２が稼動すると凝縮器６１のフィン温度が高温になる。そのため、冷却加温システム７３と冷却システム７２が同時に稼動している場合は、フィンを介して熱交換ができるとともに、凝縮器６１により暖められた大気を庫外熱交換器６７に吸込ませることができ、０〜１０℃の高温の蒸発温度で冷却加温システム７３を稼動する事が可能となる。 However, the external heat exchanger 67 of the present embodiment is an integrated heat exchanger 74 with the condenser 61 of the cooling system 72, and when the cooling system 72 is operated, the fin temperature of the condenser 61 becomes high. . Therefore, when the cooling and heating system 73 and the cooling system 72 are operating at the same time, heat can be exchanged through the fins, and the air heated by the condenser 61 can be sucked into the external heat exchanger 67. The cooling and heating system 73 can be operated at a high evaporation temperature of 0 to 10 ° C.
さらに、冷却加温システム７３の蒸発温度を０℃以上にすることで、庫外熱交換器６７における着霜を防止する事ができる。また、多湿な条件でも庫外熱交換器６７の温度が露点温度よりも下回りにくくなるので、結露の発生を抑制することができる。 Furthermore, frost formation in the external heat exchanger 67 can be prevented by setting the evaporation temperature of the cooling and heating system 73 to 0 ° C. or higher. Moreover, since the temperature of the external heat exchanger 67 is less likely to fall below the dew point temperature even under humid conditions, the occurrence of condensation can be suppressed.
さらに、庫外熱交換器６７の下部に第２の蒸発皿８２を設けることで、冷却システム７２が運転を停止し、冷却加温システム７３が単独で運転している際にフィンにおいて結露が発生し、滴下した場合でも第２の蒸発皿８２で結露水を受け、庫外熱交換器後方の凝縮器ファン７１による風によって蒸発させることができ、自動販売機庫外への水漏れを防止することができる。 Furthermore, by providing the second evaporating dish 82 at the lower part of the external heat exchanger 67, the cooling system 72 stops its operation, and condensation occurs on the fins when the cooling and heating system 73 is operating alone. Even when it is dripped, it is possible to receive dew condensation water in the second evaporating dish 82 and evaporate it by the wind from the condenser fan 71 behind the external heat exchanger, thereby preventing water leakage outside the vending machine. be able to.
さらに、冷却加温システム７３の庫外熱交換器６７と庫内熱交換器５０とを連結する配管部８５の下方に受け皿８３を設けることで配管部８５で結露が発生し、滴下した場合でもその結露水を受ける事ができるので配管部８５における結露を防止するための配管断熱が不要となることから断熱材のコストを削減することができると共に断熱材貼り付け工程を省略することができるので組立て時の作業性が向上する。 Furthermore, even if the dew condensation occurs in the piping portion 85 by providing the receiving tray 83 below the piping portion 85 that connects the external heat exchanger 67 and the internal heat exchanger 50 of the cooling and heating system 73, even when dripped. Since the dew condensation water can be received, piping insulation for preventing dew condensation in the piping part 85 is not necessary, so the cost of the heat insulating material can be reduced and the heat insulating material attaching step can be omitted. Workability during assembly is improved.
また、庫内熱交換器６７のエンドプレートに切り欠きを設けて、その切り欠きより受け皿８３と第２の蒸発皿８２とを連結し、受け皿８３の高さを第２の蒸発皿８２よりも高くすることで受け皿で受けた配管部８５の結露水を第２の蒸発皿に導いて凝縮器ファン７１による風で蒸発させることができ、ファンによる風の流れが少ない受け皿８３における結露水のオーバーフローを防ぐことができる。また、冷却加温システム７３の配管のうち、配管温度が外気温度よりも低くなり、結露が発生しやすくなるキャピラリーチューブ７０ａ出口から庫外熱交換器６７に至る配管を庫外熱交換器６７近傍で集約していることで受け皿８３のサイズを小型化することができ、また受け皿８３から第２の蒸発皿８２へと導きやすくなる。 Further, a notch is provided in the end plate of the internal heat exchanger 67, and the tray 83 and the second evaporating tray 82 are connected through the notch, and the height of the tray 83 is set higher than that of the second evaporating tray 82. By raising the height, the condensed water in the pipe portion 85 received by the tray can be guided to the second evaporating tray and evaporated by the wind from the condenser fan 71, and the condensed water overflows in the tray 83 where the flow of wind by the fan is small. Can be prevented. Further, among the piping of the cooling and heating system 73, the piping from the capillary tube 70a outlet to the external heat exchanger 67 where the piping temperature is lower than the outside air temperature and condensation is likely to occur is connected to the vicinity of the external heat exchanger 67. , The size of the tray 83 can be reduced, and it is easy to guide from the tray 83 to the second evaporating tray 82.
また、第２の蒸発皿８２と受け皿８３を一体型でなく個別に配置することで、それぞれの皿を個別に取り外すことが出来るので清掃がより簡便になる。また受け皿８３をビス８８１本でユニットベース８６に固定することで運搬中の受け皿８３の外れがなくなると共に取り外しがより簡単になり、清掃しやすくなる。また、ユニットベース８６上の受け皿８３の後方にフォームによる止め板８７を設置することで受け皿８３の回転を防止することができ、運搬中などの振動によって受け皿８３が回転して、配管部８５の滴下を防止できなくなることを防ぐことが出来る。 In addition, by arranging the second evaporating dish 82 and the receiving tray 83 separately rather than as an integrated type, each dish can be removed individually, so that cleaning becomes easier. Further, fixing the tray 83 to the unit base 86 with 881 screws eliminates the detachment of the tray 83 during transportation and makes it easier to remove and easier to clean. Further, by installing a foam stop plate 87 behind the tray 83 on the unit base 86, it is possible to prevent the tray 83 from rotating, and the tray 83 rotates due to vibration during transportation and the like. It can prevent that dripping cannot be prevented.
以上のように、本実施の形態においては、複数の庫内に区画して、庫内に収納した商品を冷却または加温する商品収納庫と商品収納庫を冷却および加温する冷却加温システムを有する自動販売機において、商品収納庫内の蒸発器からの排水を蒸発する第１の蒸発皿、庫外熱交換器下部に配設した第２の蒸発皿、冷却加温システムの配管下部の受け皿を３つを個別に配置することで排水ならびに結露水を１箇所に集めることなく蒸発でき、庫外熱交換器ならびに冷却加温システム配管からの結露水を受けることができ、自動販売機庫外への水分滴下を防ぐことができる。 As described above, in the present embodiment, a product storage that divides into a plurality of warehouses and cools or heats the products stored in the warehouse, and a cooling and heating system that cools and heats the product storage The first evaporating dish for evaporating the waste water from the evaporator in the product storage, the second evaporating dish disposed in the lower part of the external heat exchanger, and the lower part of the piping of the cooling and heating system. By arranging three trays individually, waste water and condensed water can be evaporated without collecting them in one place, and condensed water from the external heat exchanger and cooling and heating system piping can be received. It is possible to prevent moisture from dripping out.
また、受け皿と第２の蒸発皿を連結し、受け皿の高さを第２の蒸発皿よりも高くして、受け皿で受けた結露水を第２の蒸発皿へと導くようにすることで、ファンによって風が流れる第２の蒸発皿上での蒸発が可能となるのでより蒸発しやすくなり、さらに受け皿の底面を傾斜配置することで第２の蒸発皿へ水を導きやすくなり、受け皿内でのオーバーフローを低減できる。 Also, by connecting the saucer and the second evaporating dish, making the height of the saucer higher than the second evaporating dish, and guiding the condensed water received by the saucer to the second evaporating dish, It becomes easier to evaporate because the fan can evaporate on the second evaporating dish through which the wind flows, and it becomes easier to guide water to the second evaporating dish by arranging the bottom surface of the saucer at an angle. Overflow can be reduced.
また、冷却加温システムの庫内熱交換器と庫外熱交換器とを連結する配管部を庫外熱交換器近傍に集約させることで受け皿のサイズをコンパクトにすることができる。 Moreover, the size of a saucer can be made compact by consolidating the piping part which connects the internal heat exchanger and external heat exchanger of a cooling heating system to the external heat exchanger vicinity.
（実施の形態２）
図６は、本発明の実施の形態２における自動販売機の冷媒回路図、図７は、本発明の実施の形態２における自動販売機の機械室内ユニットの前方斜視図を示す。なお、先に説明した実施の形態と同一構成については同一符号を付して、その詳細な説明は省略する。
(Embodiment 2)
FIG. 6 is a refrigerant circuit diagram of the vending machine according to the second embodiment of the present invention, and FIG. 7 is a front perspective view of the machine room unit of the vending machine according to the second embodiment of the present invention. Note that the same reference numerals are given to the same components as those of the above-described embodiment, and the detailed description thereof is omitted.
図６より、本実施の形態における自動販売機は、蒸発器４７、４８と環状に接続される機械室５３に配置された第１の圧縮機６０と凝縮器６１と冷媒の流路を切替える三方弁６２と膨張機構であるキャピラリーチューブ６３、６４で構成された冷却システム７２と冷却加温室３９に配置された庫内熱交換器５０と環状に接続される機械室５３に配置された第２の圧縮機６５と庫外熱交換器６７と冷媒の流路を切替える三方弁７５と膨張機構であるキャピラリーチューブ７０、逆止弁６９で構成された冷却加温システム７３とで構成されている。 As shown in FIG. 6, the vending machine according to the present embodiment is a three-way system that switches between the first compressor 60, the condenser 61, and the refrigerant flow path disposed in the machine chamber 53 that is annularly connected to the evaporators 47 and 48. A cooling system 72 composed of a valve 62 and capillary tubes 63 and 64 as an expansion mechanism, and an internal heat exchanger 50 disposed in the cooling greenhouse 39 and a second chamber disposed in a machine room 53 connected in an annular shape. The compressor 65, the external heat exchanger 67, a three-way valve 75 that switches the refrigerant flow path, a capillary tube 70 that is an expansion mechanism, and a cooling and heating system 73 that includes a check valve 69 are included.
図７より凝縮器６１と庫外熱交換器６７はフィンチューブ式の熱交換器で、共通のフィンを貫通させてお互いに前後方向に重ねて形成した一体型の熱交換器７４として形成され、ユニットベース８６前方側に配設されている。また、庫外熱交換器６７は冷却加温システム７３が冷却運転をしている際には凝縮器として、冷却加温システム７３が加温運転している際には蒸発器として作用する。 From FIG. 7, the condenser 61 and the external heat exchanger 67 are fin-tube heat exchangers, and are formed as an integrated heat exchanger 74 formed by overlapping common fins and overlapping each other in the front-rear direction. The unit base 86 is disposed on the front side. The external heat exchanger 67 functions as a condenser when the cooling and heating system 73 is performing a cooling operation, and as an evaporator when the cooling and heating system 73 is performing a heating operation.
三方弁７５は第２の圧縮機６５の吐出側の冷媒流路を切替える三方弁７５ａと第２の圧縮機６５の吸入側の冷媒流路を切替える三方弁７５ｂからなり、これら三方弁７５は側方と下方に冷媒配管を接続し、庫外熱交換器６７と対向するユニットベース８６の外郭側に設けた着脱可能なブラケット９０に固定する。 The three-way valve 75 includes a three-way valve 75a that switches the refrigerant flow path on the discharge side of the second compressor 65 and a three-way valve 75b that switches the refrigerant flow path on the suction side of the second compressor 65. Refrigerant piping is connected to the upper and lower sides and fixed to a detachable bracket 90 provided on the outer side of the unit base 86 facing the external heat exchanger 67.
このように、三方弁７５の側方と下方に冷媒配管を接続することで同一線上に冷媒配管を接続する三方弁と比較して冷媒配管を密に接続できると共に、配管を側方と下方に接続するために上方に着脱可能な作動用コイル（図示せず）を設けているのでその着脱が容易であり、組立て時やメンテナンス時における作業性を向上することができる。また、ブラケット９０を着脱可能にすることで、三方弁７５、およびその周辺の冷媒配管の組立て時、メンテナンス時における作業性を向上することができる。 Thus, by connecting the refrigerant pipe to the side and the lower side of the three-way valve 75, it is possible to connect the refrigerant pipe more densely as compared to the three-way valve connecting the refrigerant pipe on the same line, and the pipe to the side and the lower side. Since an operating coil (not shown) that can be attached and detached is provided on the upper side for connection, the attachment and detachment is easy, and workability during assembly and maintenance can be improved. Further, by making the bracket 90 detachable, it is possible to improve workability at the time of assembly and maintenance of the three-way valve 75 and the surrounding refrigerant piping.
また、庫外熱交換器６７とブラケット９０の間にドライヤ６８ならびに冷媒配管を配置する。このように、三方弁７５を庫外熱交換器６７と対向するユニットベース８６の外郭側に設けたブラケット９０に固定することで庫外熱交換器６７と冷媒配管を短く接続することができるとともに、ブラケット９０を着脱可能にすることで、ドライヤ６８、およびその周辺の冷媒配管の組立て時、メンテナンス時における作業性を向上することができる。 Further, a dryer 68 and a refrigerant pipe are disposed between the external heat exchanger 67 and the bracket 90. Thus, by fixing the three-way valve 75 to the bracket 90 provided on the outer side of the unit base 86 facing the external heat exchanger 67, the external heat exchanger 67 and the refrigerant pipe can be connected shortly. By making the bracket 90 detachable, it is possible to improve workability during the assembly and maintenance of the dryer 68 and the surrounding refrigerant piping.
第１の蒸発皿８１は機械室上に設置され、凝縮器６１背面に凝縮器ファン７１とエアガイド８４を設けて凝縮器ファン７１からの風を第１の蒸発皿８１へと導く。第２の蒸発皿８２は一体型熱交換器７４下方に設置される。 The first evaporating dish 81 is installed on the machine room, and a condenser fan 71 and an air guide 84 are provided on the back surface of the condenser 61 to guide the wind from the condenser fan 71 to the first evaporating dish 81. The second evaporating dish 82 is installed below the integrated heat exchanger 74.
また、受け皿８３は冷却加温システム７３の庫外熱交換器６７と庫内熱交換器５０とを連結する配管８５ならびに庫外熱交換器６７と三方弁７５ｂとを連結する配管８９の下方に設けられ、一体型熱交換器７４のエンドプレート下部に切り欠きを設けてその切り欠きを通して第２の蒸発皿８２と連結し、受け皿８３の高さを第２の蒸発皿８２よりも高くすることで受け皿８３で受けた結露水を第２の蒸発皿８２へと導く。 In addition, the tray 83 is provided below a pipe 85 that connects the external heat exchanger 67 and the internal heat exchanger 50 of the cooling and heating system 73 and a pipe 89 that connects the external heat exchanger 67 and the three-way valve 75b. A notch is provided in the lower part of the end plate of the integrated heat exchanger 74 and connected to the second evaporating dish 82 through the notch so that the height of the receiving dish 83 is higher than that of the second evaporating dish 82. Then, the condensed water received by the receiving tray 83 is guided to the second evaporating tray 82.
また、受け皿８３はユニットベース８６にビス８８で固定されている。また、ユニットベース８６上の受け皿８３後方に受け皿８３の回転防止のためにフォームによる止め板８７が設けられている。 The tray 83 is fixed to the unit base 86 with screws 88. A foam stop plate 87 is provided behind the tray 83 on the unit base 86 to prevent the tray 83 from rotating.
また、配管部８５のうち特にキャピラリーチューブ７０ａ出口から庫外熱交換器６７までの配管部を庫外熱交換器６７近傍に集約している。 In addition, the piping portion from the capillary tube 70 a outlet to the outside heat exchanger 67 in the piping portion 85 is concentrated in the vicinity of the outside heat exchanger 67.
以上のように、構成された自動販売機について、以下その動作、作用を説明する。 The operation and action of the vending machine configured as described above will be described below.
まず、冷却加温庫３９を冷却する場合、第２の圧縮機６５の吐出配管と庫外熱交換器６７とが連通し、庫内熱交換器５０と第２の圧縮機６５の吸入配管とが連通するよう三方弁７５を動作する。そうすることで第２の圧縮機６５から吐出された冷媒は三方弁７５ａを通って庫外熱交換器６７へと供給されて凝縮液化する。その後液冷媒はドライヤ６８、逆止弁６９ｂを経由してキャピラリーチューブ７０ｂに至り、減圧された後、庫内熱交換器５０にて蒸発気化し、ガス冷媒となって三方弁７５ｂから第２の圧縮機６５へと戻る。 First, when cooling the cooling and heating chamber 39, the discharge pipe of the second compressor 65 and the external heat exchanger 67 communicate with each other, and the internal heat exchanger 50 and the suction pipe of the second compressor 65 are connected to each other. Operates the three-way valve 75 so as to communicate with each other. By doing so, the refrigerant discharged from the second compressor 65 is supplied to the external heat exchanger 67 through the three-way valve 75a to be condensed and liquefied. Thereafter, the liquid refrigerant reaches the capillary tube 70b via the dryer 68 and the check valve 69b and is decompressed. Then, the liquid refrigerant evaporates in the internal heat exchanger 50 and becomes a gas refrigerant to be supplied from the three-way valve 75b. Return to the compressor 65.
また冷却加温室３９を加温する場合、第２の圧縮機６５の吐出配管と庫内熱交換器５０とが連通し、庫外熱交換器６７と第２の圧縮機６５の吸入配管とが連通するよう三方弁７５を動作する。そうすることで、第２の圧縮機６５から吐出された冷媒は三方弁７５ａを通って庫内熱交換器５０へと向かい、凝縮液化する。この液冷媒の温度は収納室の設定温度によって変化する。一般に缶飲料を加温する場合は設定温度が５０〜６０℃であり、庫内熱交換器５０の凝縮温度は６０〜８０℃となる。そして、庫内熱交換器６７から出た液冷媒はキャピラリーチューブ７０ａにて減圧された後に、逆止弁６９ａを通過して庫外熱交換器６７へと供給されて蒸発気化し、三方弁７５ｂを経て第２の圧縮機６５へ還流する。一般に外気温度が低くなると庫外熱交換器６７の蒸発温度を低くする必要があり、特に、外気温度が５℃以下になると蒸発温度はマイナス温度になり、庫外熱交換器６７に着霜が発生する。また、周囲環境が多湿条件となり、庫外熱交換器６７の管表面温度やフィン温度が露点を下回ると結露が発生する恐れがある。 When heating the cooling greenhouse 39, the discharge pipe of the second compressor 65 and the internal heat exchanger 50 communicate with each other, and the external heat exchanger 67 and the intake pipe of the second compressor 65 are connected. The three-way valve 75 is operated so as to communicate. By doing so, the refrigerant discharged from the second compressor 65 passes through the three-way valve 75a to the internal heat exchanger 50 and is condensed and liquefied. The temperature of the liquid refrigerant changes depending on the set temperature of the storage chamber. Generally, when heating a can beverage, the set temperature is 50 to 60 ° C, and the condensation temperature of the internal heat exchanger 50 is 60 to 80 ° C. The liquid refrigerant discharged from the internal heat exchanger 67 is depressurized by the capillary tube 70a, passes through the check valve 69a, is supplied to the external heat exchanger 67, and is evaporated, and the three-way valve 75b. And return to the second compressor 65. Generally, when the outside air temperature becomes low, it is necessary to lower the evaporation temperature of the outside heat exchanger 67. In particular, when the outside air temperature becomes 5 ° C. or less, the evaporation temperature becomes a negative temperature, and the outside heat exchanger 67 is frosted. Occur. Further, if the surrounding environment is in a humid condition and the tube surface temperature and fin temperature of the external heat exchanger 67 are below the dew point, condensation may occur.
しかし、本実施の形態の庫外熱交換器６７は、冷却システム７２の凝縮器６１と一体型熱交換器７４となっており、冷却システム７２が稼動すると凝縮器６１のフィン温度が高温になる。そのため、冷却加温システム７３と冷却システム７２が同時に稼動している場合は、フィンを介して熱交換ができるとともに、凝縮器６１により暖められた大気を庫外熱交換器６７に吸込ませることができ、０〜１０℃の高温の蒸発温度で冷却加温システム７３を稼動する事が可能となる。 However, the external heat exchanger 67 of the present embodiment is an integrated heat exchanger 74 with the condenser 61 of the cooling system 72, and when the cooling system 72 is operated, the fin temperature of the condenser 61 becomes high. . Therefore, when the cooling and heating system 73 and the cooling system 72 are operating at the same time, heat can be exchanged through the fins, and the air heated by the condenser 61 can be sucked into the external heat exchanger 67. The cooling and heating system 73 can be operated at a high evaporation temperature of 0 to 10 ° C.
さらに、冷却加温システム７３の蒸発温度を０℃以上にすることで、庫外熱交換器６７における着霜を防止する事ができる。また、多湿な条件でも庫外熱交換器６７の温度が露点温度よりも下回りにくくなるので、結露の発生を抑制することができる。 Furthermore, frost formation in the external heat exchanger 67 can be prevented by setting the evaporation temperature of the cooling and heating system 73 to 0 ° C. or higher. Moreover, since the temperature of the external heat exchanger 67 is less likely to fall below the dew point temperature even under humid conditions, the occurrence of condensation can be suppressed.
さらに、庫外熱交換器６７の下部に第２の蒸発皿８２を設けることで、冷却システム７２が運転を停止し、冷却加温システム７３が単独で運転している際にフィンにおいて結露が発生し、滴下した場合でも第２の蒸発皿８２で結露水を受け、庫外熱交換器後方の凝縮器ファン７１による風によって蒸発させることができ、自動販売機庫外への水分滴下を防止することができる。 Furthermore, by providing the second evaporating dish 82 at the lower part of the external heat exchanger 67, the cooling system 72 stops its operation, and condensation occurs on the fins when the cooling and heating system 73 is operating alone. Even when it is dripped, it is possible to receive dew condensation water in the second evaporating dish 82 and evaporate it with the wind by the condenser fan 71 behind the external heat exchanger, thereby preventing water from dripping outside the vending machine. be able to.
さらに、冷却加温システム７３の庫外熱交換器６７と庫内熱交換器５０とを連結する配管８５ならびに庫外熱交換器６７と三方弁７５ａ，７５ｂとを連結する配管８９の下方に受け皿８３を設けることで配管部８５、８９で結露が発生し、滴下した場合でもその結露水を受ける事ができるので配管部８５、８９における結露を防止するための配管断熱が不要となることから断熱材のコストを削減することができると共に断熱材貼り付け工程を省略することができるので組立て時の作業性が向上する。また、庫内熱交換器６７のエンドプレートに切り欠きを設けて、その切り欠きより受け皿８３と第２の蒸発皿８２とを連結し、受け皿８３の高さを第２の蒸発皿８２よりも高くすることで受け皿で受けた配管部８５、８９の結露水を第２の蒸発皿に導いて凝縮器ファン７１による風で蒸発させることができ、ファンによる風の流れが少ない受け皿８３における結露水のオーバーフローを防ぐことができる。また、冷却加温システム７３の配管のうち、配管温度が外気温度よりも低くなり、結露が発生しやすくなるキャピラリーチューブ７０ａ出口から庫外熱交換器６７に至る配管を庫外熱交換器６７近傍で集約していることで受け皿８３のサイズを小型化することができ、また受け皿８３から第２の蒸発皿８２へと導きやすくなる。 Furthermore, a saucer is provided below the pipe 85 connecting the external heat exchanger 67 and the internal heat exchanger 50 of the cooling and heating system 73 and the pipe 89 connecting the external heat exchanger 67 and the three-way valves 75a and 75b. By providing 83, dew condensation occurs in the pipe parts 85 and 89, and even when dripped, the dew condensation water can be received, so that the pipe heat insulation for preventing dew condensation in the pipe parts 85 and 89 is not necessary. The cost of the material can be reduced and the step of attaching the heat insulating material can be omitted, so that the workability during assembly is improved. Further, a notch is provided in the end plate of the internal heat exchanger 67, and the tray 83 and the second evaporating tray 82 are connected through the notch, and the height of the tray 83 is set higher than that of the second evaporating tray 82. By raising the height, the condensed water in the pipes 85 and 89 received by the tray can be guided to the second evaporating tray and evaporated by the wind from the condenser fan 71, and the condensed water in the tray 83 where the flow of wind by the fan is small. Overflow can be prevented. Further, among the piping of the cooling and heating system 73, the piping from the capillary tube 70a outlet to the external heat exchanger 67 where the piping temperature is lower than the outside air temperature and condensation is likely to occur is connected to the vicinity of the external heat exchanger 67. , The size of the tray 83 can be reduced, and it is easy to guide from the tray 83 to the second evaporating tray 82.
また、第２の蒸発皿８２と受け皿８３を一体型でなく個別に配置することで、それぞれの皿を個別に取り外すことが出来るので清掃がより簡便になる。また受け皿８３をビス８８１本でユニットベース８６に固定することで運搬中の受け皿８３の外れがなくなると共に取り外しがより簡単になり、清掃しやすくなる。また、ユニットベース８６上の受け皿８３の後方にフォームによる止め板８７を設置することで受け皿８３の回転を防止することができ、運搬中などの振動によって受け皿８３が回転して、配管部８５の滴下を防止できなくなることを防ぐことが出来る。 In addition, by arranging the second evaporating dish 82 and the receiving tray 83 separately rather than as an integrated type, each dish can be removed individually, so that cleaning becomes easier. Further, fixing the tray 83 to the unit base 86 with 881 screws eliminates the detachment of the tray 83 during transportation and makes it easier to remove and easier to clean. Further, by installing a foam stop plate 87 behind the tray 83 on the unit base 86, it is possible to prevent the tray 83 from rotating, and the tray 83 rotates due to vibration during transportation and the like. It can prevent that dripping cannot be prevented.
また、庫外熱交換器６７とブラケット９０の間に冷媒配管を短く密に配置することで配管８５、８９を密に配置する事ができるので、受け皿８３をよりコンパクトにすることが可能となる。 Moreover, since the piping 85 and 89 can be densely arranged by arranging the refrigerant piping short and densely between the external heat exchanger 67 and the bracket 90, the tray 83 can be made more compact. .
以上のように、本実施の形態においては、複数の庫内に区画して、庫内に収納した商品を冷却または加温する商品収納庫と商品収納庫を冷却および加温する冷却加温システムを有する自動販売機において、商品収納庫内の蒸発器からの排水を蒸発する第１の蒸発皿、庫外熱交換器下部に配設した第２の蒸発皿、冷却加温システムの配管下部の受け皿を３つを個別に配置することで排水ならびに結露水を１箇所に集めることなく蒸発でき、庫外熱交換器ならびに冷却加温システム配管からの結露水を受けることができ、自動販売機庫外への水分滴下を防ぐことができる。 As described above, in the present embodiment, a product storage that divides into a plurality of warehouses and cools or heats the products stored in the warehouse, and a cooling and heating system that cools and heats the product storage The first evaporating dish for evaporating the waste water from the evaporator in the product storage, the second evaporating dish disposed in the lower part of the external heat exchanger, and the lower part of the piping of the cooling and heating system. By arranging three trays individually, waste water and condensed water can be evaporated without collecting them in one place, and condensed water from the external heat exchanger and cooling and heating system piping can be received. It is possible to prevent moisture from dripping out.
また、受け皿と第２の蒸発皿を連結し、受け皿の高さを第２の蒸発皿よりも高くして、受け皿で受けた結露水を第２の蒸発皿へと導くようにすることで、ファンによって風が流れる第２の蒸発皿上での蒸発が可能となるのでより蒸発しやすくなる。 Also, by connecting the saucer and the second evaporating dish, making the height of the saucer higher than the second evaporating dish, and guiding the condensed water received by the saucer to the second evaporating dish, Since evaporation on the second evaporating dish through which the wind flows by the fan is possible, it becomes easier to evaporate.
また、冷却加温システムで使用する三方弁７５ａ，７５ｂを受け皿８３の上方に固定するためのブラケット９０を備えているので、三方弁７５ａ，７５ｂに接続される配管からの結露水をまとめて受け皿８３で受けることができるので、外部への滴下を防ぐことができる。 Further, since the bracket 90 for fixing the three-way valves 75a and 75b used in the cooling and heating system to the upper side of the receiving pan 83 is provided, the condensed water from the pipes connected to the three-way valves 75a and 75b is collected together. Since it can be received at 83, dripping to the outside can be prevented.
（実施の形態３）
図８は、本発明の実施の形態３における自動販売機の冷媒回路図、図９は本発明の実施の形態３における自動販売機の機械室内ユニットの前方斜視図を示す。なお、先に説明した実施の形態と同一構成については同一符号を付して、その詳細な説明は省略する。
(Embodiment 3)
FIG. 8 is a refrigerant circuit diagram of the vending machine according to Embodiment 3 of the present invention, and FIG. 9 is a front perspective view of the machine room unit of the vending machine according to Embodiment 3 of the present invention. Note that the same reference numerals are given to the same components as those of the above-described embodiment, and the detailed description thereof is omitted.
図８より、本実施の形態における自動販売機は、蒸発器４７、４８と環状に接続される機械室５３に配置された第１の圧縮機６０と凝縮器６１と冷媒の流路を切替える三方弁６２と膨張機構であるキャピラリーチューブ６３、６４で構成された冷却システム７２と冷却加温室３９に配置された庫内熱交換器５０と環状に接続される機械室５３に配置された第２の圧縮機６５と庫外熱交換器６７と冷媒の流路を切替える四方弁７６と膨張機構であるキャピラリーチューブ７０、逆止弁６９で構成された冷却加温システム７３とで構成されている。 As shown in FIG. 8, the vending machine according to the present embodiment is configured to switch between the first compressor 60, the condenser 61, and the refrigerant flow path disposed in the machine chamber 53 that is annularly connected to the evaporators 47 and 48. A cooling system 72 composed of a valve 62 and capillary tubes 63 and 64 as an expansion mechanism, and an internal heat exchanger 50 disposed in the cooling greenhouse 39 and a second chamber disposed in a machine room 53 connected in an annular shape. The compressor 65, the external heat exchanger 67, a four-way valve 76 that switches the refrigerant flow path, a capillary tube 70 that is an expansion mechanism, and a cooling and heating system 73 that includes a check valve 69 are included.
凝縮器６１と庫外熱交換器６７はフィンチューブ式の熱交換器で、共通のフィンを貫通させてお互いに前後方向に重ねて形成した一体型の熱交換器７４として形成され、ユニットベース８６前方側に配設されている。また、庫外熱交換器６７は冷却加温システム７３が冷却運転をしている際には凝縮器として、冷却加温システム７３が加温運転している際には蒸発器として作用する。 The condenser 61 and the external heat exchanger 67 are fin-tube heat exchangers, and are formed as an integrated heat exchanger 74 formed by overlapping common fins and overlapping each other in the front-rear direction. It is arranged on the front side. The external heat exchanger 67 functions as a condenser when the cooling and heating system 73 is performing a cooling operation, and as an evaporator when the cooling and heating system 73 is performing a heating operation.
四方弁７６は側方と下方に配管を接続し、庫外熱交換器６７と対向するユニットベース８６の外郭側に設けた着脱可能なブラケット９０に固定する。 The four-way valve 76 has a pipe connected to the side and the lower side, and is fixed to a detachable bracket 90 provided on the outer side of the unit base 86 facing the external heat exchanger 67.
このように、四方弁７５の側方と下方に冷媒配管を接続することで同一線上に冷媒配管を接続する四方弁と比較して冷媒配管を密に接続できると共に、配管を側方と下方に接続するために上方に着脱可能な作動用コイル（図示せず）を設けているのでその着脱が容易であり、組立て時やメンテナンス時における作業性を向上することができる。また、ブラケット９０を着脱可能にすることで、四方弁７６、およびその周辺の冷媒配管の組立て時、メンテナンス時における作業性を向上することができる。 In this way, by connecting the refrigerant pipe to the side and the lower side of the four-way valve 75, the refrigerant pipe can be connected more densely than the four-way valve connecting the refrigerant pipe on the same line, and the pipe can be connected to the side and the lower side. Since an operating coil (not shown) that can be attached and detached is provided on the upper side for connection, the attachment and detachment is easy, and workability during assembly and maintenance can be improved. In addition, by making the bracket 90 detachable, it is possible to improve workability at the time of assembly and maintenance of the four-way valve 76 and the surrounding refrigerant pipe.
また、庫外熱交換器６７とブラケット９０の間にドライヤ６８ならびに冷媒配管を配置する。このように、四方弁７６を庫外熱交換器６７と対向するユニットベース８６の外郭側に設けたブラケット９０に固定することで庫外熱交換器６７と冷媒配管を短く接続することができるとともに、ブラケット９０を着脱可能にすることで、ドライヤ６８、およびその周辺の冷媒配管の組立て時、メンテナンス時における作業性を向上することができる。 Further, a dryer 68 and a refrigerant pipe are disposed between the external heat exchanger 67 and the bracket 90. In this way, by fixing the four-way valve 76 to the bracket 90 provided on the outer side of the unit base 86 facing the external heat exchanger 67, the external heat exchanger 67 and the refrigerant pipe can be connected shortly. By making the bracket 90 detachable, it is possible to improve workability during the assembly and maintenance of the dryer 68 and the surrounding refrigerant piping.
第１の蒸発皿８１は機械室上に設置され、凝縮器６１背面に凝縮器ファン７１とエアガイド８４を設けて凝縮器ファン７１からの風を第１の蒸発皿８１へと導く。第２の蒸発皿８２は一体型熱交換器７４下方に設置される。 The first evaporating dish 81 is installed on the machine room, and a condenser fan 71 and an air guide 84 are provided on the back surface of the condenser 61 to guide the wind from the condenser fan 71 to the first evaporating dish 81. The second evaporating dish 82 is installed below the integrated heat exchanger 74.
また、受け皿８３は冷却加温システム７３の庫外熱交換器６７と庫内熱交換器５０とを連結する配管８５ならびに庫外熱交換器６７と四方弁７６とを接続する配管８９の下方に設けられ、一体型熱交換器７４のエンドプレート下部に切り欠きを設けてその切り欠きを通して第２の蒸発皿８２と連結し、受け皿８３の高さを第２の蒸発皿８２よりも高くすることで受け皿８３で受けた結露水を第２の蒸発皿８２へと導く。 In addition, the tray 83 is provided below a pipe 85 that connects the external heat exchanger 67 and the internal heat exchanger 50 of the cooling and heating system 73 and a pipe 89 that connects the external heat exchanger 67 and the four-way valve 76. A notch is provided in the lower part of the end plate of the integrated heat exchanger 74 and connected to the second evaporating dish 82 through the notch so that the height of the receiving dish 83 is higher than that of the second evaporating dish 82. Then, the condensed water received by the receiving tray 83 is guided to the second evaporating tray 82.
また、受け皿８３はユニットベース８６にビス８８で固定されている。また、ユニットベース８６上の受け皿８３後方に受け皿８３の回転防止のためにフォームによる止め板８７が設けられている。 The tray 83 is fixed to the unit base 86 with screws 88. A foam stop plate 87 is provided behind the tray 83 on the unit base 86 to prevent the tray 83 from rotating.
また、配管部８５のうち特にキャピラリーチューブ７０ａ出口から庫外熱交換器６７までの配管部を庫外熱交換器６７近傍に集約している。 In addition, the piping portion from the capillary tube 70 a outlet to the outside heat exchanger 67 in the piping portion 85 is concentrated in the vicinity of the outside heat exchanger 67.
以上のように、構成された自動販売機について、以下その動作、作用を説明する。 The operation and action of the vending machine configured as described above will be described below.
まず、冷却加温庫３９を冷却する場合、第２の圧縮機６５の吐出配管と庫外熱交換器６７とが連通し、庫内熱交換器５０と第２の圧縮機６５の吸入配管とが連通するよう四方弁７６を動作する。そうすることで第２の圧縮機６５から吐出された冷媒は四方弁７６を通って庫外熱交換器６７へと供給されて凝縮液化する。その後液冷媒はドライヤ６８、逆止弁６９ｂを経由してキャピラリーチューブ７０ｂに至り、減圧された後、庫内熱交換器５０にて蒸発気化し、ガス冷媒となって四方弁７６から第２の圧縮機６５へと還流する。 First, when cooling the cooling and heating chamber 39, the discharge pipe of the second compressor 65 and the external heat exchanger 67 communicate with each other, and the internal heat exchanger 50 and the suction pipe of the second compressor 65 are connected to each other. The four-way valve 76 is operated so as to communicate with each other. By doing so, the refrigerant discharged from the second compressor 65 is supplied to the external heat exchanger 67 through the four-way valve 76 and is condensed and liquefied. Thereafter, the liquid refrigerant reaches the capillary tube 70b via the dryer 68 and the check valve 69b, and is decompressed. Then, the liquid refrigerant evaporates in the internal heat exchanger 50 and becomes a gas refrigerant. Reflux to the compressor 65.
また冷却加温室３９を加温する場合、第２の圧縮機６５の吐出配管と庫内熱交換器５０とが連通し、庫外熱交換器６７と第２の圧縮機６５の吸入配管とが連通するよう四方弁７６を動作する。そうすることで第２の圧縮機６５から吐出された冷媒は四方弁７６を通って庫内熱交換器５０へと向かい、凝縮液化する。この液冷媒の温度は収納室の設定温度によって変化する。一般に缶飲料を加温する場合は設定温度が５０〜６０℃であり、庫内熱交換器５０の凝縮温度は６０〜８０℃となる。 When heating the cooling greenhouse 39, the discharge pipe of the second compressor 65 and the internal heat exchanger 50 communicate with each other, and the external heat exchanger 67 and the intake pipe of the second compressor 65 are connected. The four-way valve 76 is operated so as to communicate. By doing so, the refrigerant discharged from the second compressor 65 passes through the four-way valve 76 to the internal heat exchanger 50 and is condensed and liquefied. The temperature of the liquid refrigerant changes depending on the set temperature of the storage chamber. Generally, when heating a can beverage, the set temperature is 50 to 60 ° C, and the condensation temperature of the internal heat exchanger 50 is 60 to 80 ° C.
そして、庫内熱交換器６７から出た液冷媒はキャピラリーチューブ７０ａにて減圧された後に、逆止弁６９ａを通過して庫外熱交換器６７へと供給されて蒸発気化し、四方弁７６を経て第２の圧縮機６５へ還流する。一般に外気温度が低くなると庫外熱交換器６７の蒸発温度を低くする必要があり、特に、外気温度が５℃以下になると蒸発温度はマイナス温度になり、庫外熱交換器６７に着霜が発生する。また、周囲環境が多湿条件となり、庫外熱交換器６７の管表面温度やフィン温度が露点を下回ると結露が発生する恐れがある。 The liquid refrigerant discharged from the internal heat exchanger 67 is depressurized by the capillary tube 70a, passes through the check valve 69a, is supplied to the external heat exchanger 67 and is evaporated, and the four-way valve 76 is evaporated. And return to the second compressor 65. Generally, when the outside air temperature becomes low, it is necessary to lower the evaporation temperature of the outside heat exchanger 67. In particular, when the outside air temperature becomes 5 ° C. or less, the evaporation temperature becomes a negative temperature, and the outside heat exchanger 67 is frosted. Occur. Further, if the surrounding environment is in a humid condition and the tube surface temperature and fin temperature of the external heat exchanger 67 are below the dew point, condensation may occur.
しかし、本実施の形態の庫外熱交換器６７は、冷却システム７２の凝縮器６１と一体型熱交換器７４となっており、冷却システム７２が稼動すると凝縮器６１のフィン温度が高温になる。そのため、冷却加温システム７３と冷却システム７２が同時に稼動している場合は、フィンを介して熱交換ができるとともに、凝縮器６１により暖められた大気を庫外熱交換器６７に吸込ませることができ、０〜１０℃の高温の蒸発温度で冷却加温システム７３を稼動する事が可能となる。 However, the external heat exchanger 67 of the present embodiment is an integrated heat exchanger 74 with the condenser 61 of the cooling system 72, and when the cooling system 72 is operated, the fin temperature of the condenser 61 becomes high. . Therefore, when the cooling and heating system 73 and the cooling system 72 are operating at the same time, heat can be exchanged through the fins, and the air heated by the condenser 61 can be sucked into the external heat exchanger 67. The cooling and heating system 73 can be operated at a high evaporation temperature of 0 to 10 ° C.
さらに、冷却加温システム７３の蒸発温度を０℃以上にすることで、庫外熱交換器６７における着霜を防止する事ができる。また、多湿な条件でも庫外熱交換器６７の温度が露点温度よりも下回りにくくなるので、結露の発生を抑制することができる。 Furthermore, frost formation in the external heat exchanger 67 can be prevented by setting the evaporation temperature of the cooling and heating system 73 to 0 ° C. or higher. Moreover, since the temperature of the external heat exchanger 67 is less likely to fall below the dew point temperature even under humid conditions, the occurrence of condensation can be suppressed.
さらに、庫外熱交換器６７の下部に第２の蒸発皿８２を設けることで、冷却システム７２が運転を停止し、冷却加温システム７３が単独で運転している際にフィンにおいて結露が発生し、滴下した場合でも第２の蒸発皿８２で結露水を受け、庫外熱交換器後方の凝縮器ファン７１による風によって蒸発させることができ、自動販売機庫外への水分滴下を防止することができる。 Furthermore, by providing the second evaporating dish 82 at the lower part of the external heat exchanger 67, the cooling system 72 stops its operation, and condensation occurs on the fins when the cooling and heating system 73 is operating alone. Even when it is dripped, it is possible to receive dew condensation water in the second evaporating dish 82 and evaporate it with the wind by the condenser fan 71 behind the external heat exchanger, thereby preventing water from dripping outside the vending machine. be able to.
さらに、冷却加温システム７３の庫外熱交換器６７と庫内熱交換器５０とを連結する配管８５ならびに庫外熱交換器６７と四方弁７６とを連結する配管８９の下方に受け皿８３を設けることで配管部８５、８９で結露が発生し、滴下した場合でもその結露水を受ける事ができるので配管部８５、８９における結露を防止するための配管断熱が不要となることから断熱材のコストを削減することができると共に断熱材貼り付け工程を省略することができるので組立て時の作業性が向上する。 Further, a tray 83 is provided below a pipe 85 connecting the external heat exchanger 67 and the internal heat exchanger 50 of the cooling and heating system 73 and a pipe 89 connecting the external heat exchanger 67 and the four-way valve 76. By providing dew condensation in the piping parts 85 and 89, and even when dripped, the condensed water can be received. Therefore, it is not necessary to insulate the pipes in the piping parts 85 and 89. The cost can be reduced and the heat insulating material attaching step can be omitted, so that the workability at the time of assembly is improved.
また、庫内熱交換器６７のエンドプレートに切り欠きを設けて、その切り欠きより受け皿８３と第２の蒸発皿８２とを連結し、受け皿８３の高さを第２の蒸発皿８２よりも高くすることで受け皿で受けた配管部８５、８９の結露水を第２の蒸発皿に導いて凝縮器ファン７１による風で蒸発させることができ、ファンによる風の流れが少ない受け皿８３における結露水のオーバーフローを防ぐことができる。 Further, a notch is provided in the end plate of the internal heat exchanger 67, and the tray 83 and the second evaporating tray 82 are connected through the notch, and the height of the tray 83 is set higher than that of the second evaporating tray 82. By raising the height, the condensed water in the pipes 85 and 89 received by the tray can be guided to the second evaporating tray and evaporated by the wind from the condenser fan 71, and the condensed water in the tray 83 where the flow of wind by the fan is small. Overflow can be prevented.
また、冷却加温システム７３の配管のうち、配管温度が外気温度よりも低くなり、結露が発生しやすくなるキャピラリーチューブ７０ａ出口から庫外熱交換器６７に至る配管を庫外熱交換器６７近傍で集約していることで受け皿８３のサイズを小型化することができ、また受け皿８３から第２の蒸発皿８２へと導きやすくなる。 Further, among the piping of the cooling and heating system 73, the piping from the capillary tube 70a outlet to the external heat exchanger 67 where the piping temperature is lower than the outside air temperature and condensation is likely to occur is connected to the vicinity of the external heat exchanger 67. , The size of the tray 83 can be reduced, and it is easy to guide from the tray 83 to the second evaporating tray 82.
また、第２の蒸発皿８２と受け皿８３を一体型でなく個別に配置することで、それぞれの皿を個別に取り外すことが出来るので清掃がより簡便になる。また受け皿８３をビス８８１本でユニットベース８６に固定することで運搬中の受け皿８３の外れがなくなると共に取り外しがより簡単になり、清掃しやすくなる。また、ユニットベース８６上の受け皿８３の後方にフォームによる止め板８７を設置することで受け皿８３の回転を防止することができ、運搬中などの振動によって受け皿８３が回転して、配管部８５の滴下を防止できなくなることを防ぐことが出来る。 In addition, by arranging the second evaporating dish 82 and the receiving tray 83 separately rather than as an integrated type, each dish can be removed individually, so that cleaning becomes easier. Further, fixing the tray 83 to the unit base 86 with 881 screws eliminates the detachment of the tray 83 during transportation and makes it easier to remove and easier to clean. Further, by installing a foam stop plate 87 behind the tray 83 on the unit base 86, it is possible to prevent the tray 83 from rotating, and the tray 83 rotates due to vibration during transportation and the like. It can prevent that dripping cannot be prevented.
また、庫外熱交換器６７とブラケット９０の間に冷媒配管を短く密に配置することで配管８５、８９を密に配置する事ができるので、受け皿８３をよりコンパクトにすることが可能となる。 Moreover, since the piping 85 and 89 can be densely arranged by arranging the refrigerant piping short and densely between the external heat exchanger 67 and the bracket 90, the tray 83 can be made more compact. .
以上のように、本実施の形態においては、複数の庫内に区画して、庫内に収納した商品を冷却または加温する商品収納庫と商品収納庫を冷却および加温する冷却加温システムを有する自動販売機において、商品収納庫内の蒸発器からの排水を蒸発する第１の蒸発皿、庫外熱交換器下部に配設した第２の蒸発皿、冷却加温システムの配管下部の受け皿を３つを個別に配置することで排水ならびに結露水を１箇所に集めることなく蒸発でき、庫外熱交換器ならびに冷却加温システム配管からの結露水を受けることができ、自動販売機庫外への水分滴下を防ぐことができる。 As described above, in the present embodiment, a product storage that divides into a plurality of warehouses and cools or heats the products stored in the warehouse, and a cooling and heating system that cools and heats the product storage The first evaporating dish for evaporating the waste water from the evaporator in the product storage, the second evaporating dish disposed in the lower part of the external heat exchanger, and the lower part of the piping of the cooling and heating system. By arranging three trays individually, waste water and condensed water can be evaporated without collecting them in one place, and condensed water from the external heat exchanger and cooling and heating system piping can be received. It is possible to prevent moisture from dripping out.
また、受け皿と第２の蒸発皿を連結し、受け皿の高さを第２の蒸発皿よりも高くして、受け皿で受けた結露水を第２の蒸発皿へと導くようにすることで、ファンによって風が流れる第２の蒸発皿上での蒸発が可能となるのでより蒸発しやすくなる。 Also, by connecting the saucer and the second evaporating dish, making the height of the saucer higher than the second evaporating dish, and guiding the condensed water received by the saucer to the second evaporating dish, Since evaporation on the second evaporating dish through which the wind flows by the fan is possible, it becomes easier to evaporate.
また、冷却加温システムで使用する四方弁７６を受け皿８３の上方に固定するためのブラケット９０を備えているので、四方弁７６に接続される配管からの結露水をまとめて受け皿８３で受けることができるので、外部への滴下を防ぐことができる。 Moreover, since the bracket 90 for fixing the four-way valve 76 used in the cooling and heating system to the upper side of the receiving pan 83 is provided, the condensate water from the pipes connected to the four-way valve 76 is collectively received by the receiving pan 83. Therefore, dripping to the outside can be prevented.
以上のように、本発明にかかる自動販売機は、ヒートポンプを利用するさいの結露水を効果的に処理する事が可能となるので、ヒートポンプを利用して加温を行う冷温蔵庫などの用途にも適用できる。 As described above, since the vending machine according to the present invention can effectively treat the condensed water when using the heat pump, the vending machine is used for heating and cooling using the heat pump. It can also be applied to.
３０ 自動販売機
５０ 庫内熱交換器
６１ 凝縮器
６７ 庫外熱交換器
７３ 冷却加温システム
７５ａ、７５ｂ 三方弁（流路切替弁）
７６ 四方弁（流路切替弁）
８１ 第１の蒸発皿
８２ 第２の蒸発皿
８３ 受け皿
８４ エアガイド
８５ 配管部（冷却加温システムの配管）
９０ ブラケット
30 Vending Machine 50 Internal Heat Exchanger 61 Condenser 67 External Heat Exchanger 73 Cooling and Heating System 75a, 75b Three-way Valve (Flow Path Switching Valve)
76 Four-way valve (flow path switching valve)
81 First evaporating dish 82 Second evaporating dish 83 Receptacle 84 Air guide 85 Piping section (piping for cooling and heating system)
90 Bracket
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| JP2008099055A JP5239467B2 (en) | 2007-05-10 | 2008-04-07 | vending machine |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2007125340 | 2007-05-10 | ||
| JP2007125340 | 2007-05-10 | ||
| JP2008099055A JP5239467B2 (en) | 2007-05-10 | 2008-04-07 | vending machine |
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| JP2008305384A JP2008305384A (en) | 2008-12-18 |
| JP5239467B2 true JP5239467B2 (en) | 2013-07-17 |
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| JP2008099055A Expired - Fee Related JP5239467B2 (en) | 2007-05-10 | 2008-04-07 | vending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010250589A (en) * | 2009-04-16 | 2010-11-04 | Panasonic Corp | Vending machine |
| JP5747567B2 (en) * | 2011-03-04 | 2015-07-15 | 富士電機株式会社 | Refrigerant circuit device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6060434A (en) * | 1983-09-12 | 1985-04-08 | Hitachi Ltd | Water receiving structure of connecting section for low- pressure pipe for air conditioner |
| JPH0542984U (en) * | 1991-11-11 | 1993-06-11 | 松下冷機株式会社 | Underbody structure such as refrigerator |
| JPH0914819A (en) * | 1995-06-30 | 1997-01-17 | Toshiba Corp | Cleaning device having humidifying and drain automatic evaporating functions |
| JPH09287774A (en) * | 1996-04-23 | 1997-11-04 | Mitsubishi Heavy Ind Ltd | Air conditioning apparatus |
| JP4670325B2 (en) * | 2004-11-24 | 2011-04-13 | パナソニック株式会社 | vending machine |
| JP3941833B2 (en) * | 2006-07-31 | 2007-07-04 | 松下電器産業株式会社 | vending machine |
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