WO2023073892A1 - 輸送用冷凍機ユニット - Google Patents
輸送用冷凍機ユニット Download PDFInfo
- Publication number
- WO2023073892A1 WO2023073892A1 PCT/JP2021/039916 JP2021039916W WO2023073892A1 WO 2023073892 A1 WO2023073892 A1 WO 2023073892A1 JP 2021039916 W JP2021039916 W JP 2021039916W WO 2023073892 A1 WO2023073892 A1 WO 2023073892A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening
- casing
- plate
- refrigerator unit
- trailer
- Prior art date
Links
- 238000005057 refrigeration Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 description 19
- 239000007791 liquid phase Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
Definitions
- the present disclosure relates to a transportation refrigerator unit.
- Patent Document 1 discloses a condenser unit for transport refrigeration equipment that can be attached to the front wall or roof of a vehicle.
- the present disclosure has been made to solve the above problems, and aims to provide a transportation refrigerator unit that can improve the degree of freedom in mounting.
- a transport refrigerator unit has a back plate that can be attached to a trailer, and a bottom plate that extends forward from a lower end of the back plate and can be attached to the trailer,
- a casing capable of accommodating various devices inside is provided, and the casing has an opening extending over the back plate and the bottom plate, communicating between the inside and outside of the casing, and allowing at least one of piping and wiring to be pulled out.
- the opening has a back opening on the side of the back plate and a bottom opening on the side of the bottom plate connected to a lower end of the back opening.
- the transport refrigerator unit of the present disclosure it is possible to improve the degree of freedom in mounting.
- FIG. 1 is a perspective view showing a schematic configuration of a refrigerated vehicle equipped with a transportation refrigerator unit according to an embodiment of the present disclosure
- FIG. 1 is a perspective view of a refrigerator unit main body according to an embodiment of the present disclosure
- FIG. 2 is a top view of the inside of an indoor unit and a refrigerator unit main body according to an embodiment of the present disclosure
- FIG. 2 is a perspective view of the refrigerator unit main body according to the embodiment of the present disclosure as viewed from below
- FIG. 4 is a perspective view showing a state in which the back opening is closed by a decorative plate according to the embodiment of the present disclosure
- FIG. 1 is a perspective view showing a schematic configuration of a refrigerated vehicle equipped with a transportation refrigerator unit according to an embodiment of the present disclosure
- FIG. 1 is a perspective view of a refrigerator unit main body according to an embodiment of the present disclosure
- FIG. 2 is a top view of the inside of an indoor unit and a refrigerator unit main body according to an embodiment of the present disclosure
- FIG. 4 is a schematic diagram showing a case where the casing of the refrigerator unit main body according to the embodiment of the present disclosure is attached to the ceiling wall of the trailer main body;
- FIG. 4 is a perspective view showing a state in which a lower surface opening is closed by a decorative plate according to the embodiment of the present disclosure;
- the refrigerated vehicle 1 includes a tractor 2 , a trailer 3 , and a transportation refrigerator unit 7 .
- the vertical direction is simply referred to as the "vertical direction”
- one of the directions perpendicular to the vertical direction is referred to as the "front-rear direction”
- the direction perpendicular to the vertical direction and the front-rear direction is referred to as the "left-right direction”.
- the traveling direction of the refrigerated vehicle 1 coincides with the front-rear direction.
- the front and rear, left and right sides are determined based on the driver's seat of the refrigerated vehicle 1 .
- the tractor 2 has a cab 4 as a driver's seat, and is driven by a driving engine (not shown).
- a tractor 2 tows a trailer 3 .
- the trailer 3 includes a trailer body 5 and a chassis 6.
- the trailer body 5 is a box-shaped container supported from below by a chassis 6 .
- the trailer body 5 extends in the front-rear direction.
- a space is formed inside the trailer body 5 to accommodate cargo (not shown).
- the trailer body 5 includes a front wall 5a arranged on the tractor 2 side, a top wall 5b connected to the upper end of the front wall 5a, and a left wall 5c connected to the left end of the front wall 5a and the left end of the top wall 5b. , and a right wall 5d connected to the right end of the front wall 5a and the right end of the top wall 5b.
- the transportation refrigerator unit 7 has a refrigerator unit main body 8 and an indoor unit 9 .
- the refrigerator unit main body 8 is arranged outside the trailer main body 5 .
- the refrigerator unit main body 8 is fixed to the front upper portion of the front wall 5 a of the trailer main body 5 .
- the refrigerator unit main body 8 includes a casing 10, an accumulator 53, a compressor 51, a fan 40, an outdoor heat exchanger 52, a receiver 54, an electrical box 20, A decorative plate 83 is provided.
- a space is formed inside the casing 10 to accommodate devices that constitute the refrigerator unit main body 8 .
- the indoor unit 9 includes an expansion valve 55 , an indoor heat exchanger 56 and an indoor fan 57 .
- a cooling cycle 50 of the transportation refrigerator unit 7 is composed of an accumulator 53, a compressor 51, an outdoor heat exchanger 52, a receiver 54, an expansion valve 55, an indoor heat exchanger 56, an indoor fan 57, and the like.
- the accumulator 53 is housed inside the casing 10 .
- the accumulator 53 is connected to the indoor heat exchanger 56 so as to receive the refrigerant that has passed through the indoor heat exchanger 56 .
- Compressor 51 is housed in casing 10 and connected to accumulator 53 .
- the compressor 51 compresses the gas phase refrigerant supplied from the accumulator 53 .
- the fan 40 is housed inside the casing 10 .
- the fan 40 draws air into the casing 10 and discharges the air inside the casing 10 to the outside.
- the outdoor heat exchanger 52 is housed inside the casing 10 .
- the outdoor heat exchanger 52 is connected to the compressor 51 so as to receive the refrigerant compressed by the compressor 51 .
- the outdoor heat exchanger 52 is a condenser that uses outside air taken into the casing 10 by the fan 40 to cool and condense the gas-phase refrigerant supplied from the compressor 51 .
- the gas-phase refrigerant supplied from the compressor 51 is changed into a liquid-phase refrigerant by the outdoor heat exchanger 52 .
- the outdoor heat exchanger 52 is connected to the receiver 54 so as to supply the cooled refrigerant to the receiver 54 .
- the receiver 54 is housed inside the casing 10 .
- the receiver 54 temporarily stores the liquid-phase refrigerant supplied from the outdoor heat exchanger 52 and absorbs fluctuations in the flow rate of the refrigerant in the cooling cycle 50 .
- the receiver 54 is connected to the expansion valve 55 so as to be able to supply the stored liquid-phase refrigerant.
- the expansion valve 55 is housed inside the trailer body 5 .
- One expansion valve 55 is provided on each of the left side and the right side within the trailer body 5 .
- the two expansion valves 55 are arranged at symmetrical positions when viewed from above and have the same configuration.
- the left expansion valve 55 of the two expansion valves 55 will be explained, and the explanation of the right expansion valve 55 will be omitted.
- the expansion valve 55 is arranged at the upper part of the corner formed by the left wall 5c and the front wall 5a (the part near the top wall 5b).
- the expansion valve 55 expands (decompresses) the liquid-phase refrigerant supplied from the receiver 54 .
- the expansion valve 55 is connected to the indoor heat exchanger 56 so as to supply the expanded liquid-phase refrigerant to the indoor heat exchanger 56 .
- the indoor heat exchanger 56 is housed inside the trailer body 5 .
- the indoor heat exchangers 56 are provided one each on the left side and the right side in the trailer body 5 .
- the two indoor heat exchangers 56 are arranged at symmetrical positions when viewed from above and have the same configuration.
- the left indoor heat exchanger 56 of the two indoor heat exchangers 56 will be explained, and the explanation of the right indoor heat exchanger 56 will be omitted.
- the indoor heat exchanger 56 is arranged near the expansion valve 55 .
- the indoor heat exchanger 56 is an evaporator that exchanges heat between the air around the indoor heat exchanger 56 and the liquid-phase refrigerant supplied from the expansion valve 55 to evaporate the liquid-phase refrigerant.
- the gas-phase refrigerant supplied from the expansion valve 55 is changed into a liquid-phase refrigerant by the indoor heat exchanger 56 .
- the heat of the air around the indoor heat exchanger 56 is absorbed by the refrigerant.
- the air around the indoor heat exchanger 56 is cooled.
- the indoor fan 57 is housed inside the trailer body 5 .
- One indoor fan 57 is provided on each of the left side and the right side in the trailer body 5 .
- the two indoor fans 57 are arranged at symmetrical positions when viewed from above and have the same configuration.
- the left indoor fan 57 of the two indoor fans 57 will be described, and the description of the right indoor fan 57 will be omitted.
- the indoor fan 57 is arranged near the indoor heat exchanger 56 .
- the indoor fan 57 cools the inside of the trailer body 5 by circulating the air cooled by the indoor heat exchanger 56 inside the trailer body 5 .
- the casing 10 is shaped like a cube.
- the casing 10 includes a rear plate 11 that can be attached to the trailer 3, a front plate 12 that faces the rear plate 11 and is connected to the lower ends of the rear plate 11 and the front plate 12.
- the lower plate 13 that can be attached to the trailer 3 and the upper plate 14 connected to the upper end of the front plate 12 of the rear plate 11 are arranged opposite to each other in the left-right direction. and a left plate 15 and a right plate 16 connected to the top plate 14 .
- the casing 10 is thin in the vertical direction.
- the casing 10 is formed so that the height in the vertical direction is, for example, 50% or less of the width in the left-right direction and the depth in the front-rear direction.
- the rear panel 11 is attached and fixed to the front surface of the front wall 5a of the trailer body 5.
- the bottom plate 13 extends forward from the bottom end of the back plate 11 .
- the plate thickness direction of the lower plate 13 coincides with the vertical direction.
- the lower plate 13 is formed integrally with the rear plate 11, and formed in an L shape together with the rear plate 11 when viewed from the left-right direction.
- the lower plate 13 functions together with the rear plate 11 as a main frame that supports the objects inside the casing 10 .
- the plate thickness direction of the upper plate 14 coincides with the vertical direction.
- the top plate 14 is provided with two discharge ports 14a that pass through the top plate 14 and discharge air from the inside of the casing 10 to the outside.
- the two outlets 14a are provided on the left side and the right side of the top plate 14 .
- the discharge port 14a penetrates the upper plate 14 in the vertical direction.
- the discharge port 14a is formed in a circular shape when viewed from above and below.
- the front plate 12 and the right plate 16 are provided with suction ports 19 for introducing air from outside the casing 10 into the casing 10 .
- the suction port 19 is formed in an L shape when viewed from above and continuously extends from the front plate 12 to the right plate 16 .
- the suction port 19 penetrates the front plate 12 and the right plate 16 .
- a wire mesh is attached to the suction port 19 (see FIG. 2).
- an opening 80 that communicates the inside and outside of the casing 10 is provided in the lower portion of the casing 10 .
- the opening 80 allows the piping P or the wiring W of the contents inside the casing 10 to be pulled out of the casing 10 .
- Opening 80 is provided across rear plate 11 and lower plate 13 of casing 10 .
- the opening 80 is provided on the right side of the casing 10 .
- the opening 80 extends in the left-right direction. That is, the longitudinal direction of the opening 80 matches the left-right direction.
- only one pipe P and one wire W are schematically shown. The number of pipes P and wires W can be changed as appropriate.
- the opening 80 has a rear opening 81 on the side of the rear plate 11 and a lower opening 82 on the side of the lower plate 13 connected to the lower end of the rear opening 81, and is L-shaped when viewed from the left-right direction. formed. Both the rear opening 81 and the lower opening 82 are formed in a rectangular shape with the left-right direction as the longitudinal direction when viewed from the penetrating direction.
- the bottom opening 82 is smaller than the back opening 81 .
- the piping P and the wiring W are pulled out from either one of the back opening 81 and the bottom opening 82 . As shown in FIG. 5 , the back opening 81 and the bottom opening 82 that are not used for drawing out the pipes P and the wires W are closed by a decorative plate 83 .
- the decorative plate 83 is formed in a thin plate shape larger than the rear opening 81 and the lower opening 82 .
- the decorative plate 83 is arranged so as to cover the opening 80 from the outside of the casing 10 .
- the decorative plate 83 is fastened and fixed to the casing 10 with bolts, for example.
- the casing 10 described above accommodates an accumulator 53, a compressor 51, a receiver 54, an electrical box 20, an outdoor heat exchanger 52, and a fan 40. More specifically, an accumulator 53, a compressor 51, and a receiver 54 are provided in the right space within the casing 10. As shown in FIG. An electric equipment box 20 is provided in the left space within the casing 10 . An outdoor heat exchanger 52 is provided inside the casing 10 at a position facing the suction port 19 , and a fan 40 is provided at a position facing the discharge port 14 a within the casing 10 .
- the electrical equipment box 20 houses electrical equipment (not shown) such as a power source such as an inverter and a converter, and power drive system components.
- the electrical equipment box 20 is provided on the left side of the opening 80 of the casing 10 .
- the electrical equipment box 20 is formed in a cubic shape.
- the electrical equipment box 20 is fixed to the casing 10 by a fixing member (not shown) in such a state that the back surface and the bottom surface are separated from the back plate 11 and the bottom plate 13 of the casing 10, respectively.
- the upper surface of the electrical equipment box 20 is spaced downward from the upper surface plate 14 of the casing 10 toward the front.
- the compressor 51 is provided on the left side of the opening 80 of the casing 10 and on the right side of the electrical box 20 . That is, the opening 80 of the casing 10 is positioned differently from the compressor 51 and the electrical equipment box 20 in the horizontal direction. Compressor 51 is arranged to extend in the vertical direction.
- the outdoor heat exchanger 52 is provided between the electrical box 20 and the suction port 19 .
- the outdoor heat exchanger 52 is formed in the same shape as the suction port 19 when viewed in the vertical direction.
- the outdoor heat exchanger 52 is formed, for example, in an L shape when viewed from above and below.
- the outdoor heat exchanger 52 exchanges heat between the air introduced from the suction port 19 and the refrigerant flowing through the cooling cycle 50 .
- a total of two fans 40 are provided at positions facing the two discharge ports 14a of the casing 10, one for each.
- the axial direction of the fan 40 coincides with the vertical direction.
- the piping P and the wiring W inside the casing 10 are pulled out of the casing 10 through the lower surface opening 82 of the openings 80 .
- the decorative plate 83 is attached to the rear plate 11 from the outside of the casing 10 to close the rear opening 81 of the openings 80 (see FIG. 5).
- the back plate 11 of the casing 10 is fixed to the front wall 5a of the trailer body 5.
- the pipes P and wires W pulled out from inside the casing 10 are connected to the pipes and wires (not shown) inside the trailer body 5 .
- the attachment of the casing 10 is performed.
- the casing 10 may be attached to the ceiling wall 5b of the trailer body 5, as shown in FIG.
- the piping P and the wiring W are pulled out through the rear opening 81 of the opening 80
- the bottom plate 13 of the casing 10 is fixed to the top wall 5 b of the trailer body 5 .
- the lower surface opening 82 of the opening 80 is closed by the decorative plate 83 .
- the casing 10 is provided with an opening 80 extending over the rear plate 11 and the lower plate 13 to allow the inside and outside of the casing 10 to communicate with each other and allow the piping P and the wiring W to be pulled out.
- the opening 80 has a rear opening 81 on the side of the rear plate 11 and a lower opening 82 on the side of the lower plate 13 communicating with the lower end of the rear opening 81 .
- the pipes P and the wiring W can be pulled out of the casing 10 from both the back plate 11 and the bottom plate 13 of the casing 10 through one opening 80 . Therefore, it is possible to select whether the casing 10 is attached to the front wall 5a of the trailer body 5 (see FIG. 1) or the casing 10 is attached to the top wall 5b of the trailer body 5 (see FIG. 6) without changing the attitude of the casing 10. can be selected. Further, when the casing 10 is attached to the front wall 5a of the trailer body 5, it is possible to select whether the casing 10 is arranged in the horizontal direction or the casing 10 is arranged in the vertical direction.
- the attachment posture of the casing 10 can be selected as in the case of attaching the casing 10 to the front wall 5a. Therefore, compared with the case where openings for drawing out the pipes P and the wirings W are separately formed in the rear plate 11 and the lower plate 13 of the casing 10, the degree of freedom in mounting can be improved.
- the back opening 81 and the bottom opening 82 communicate with each other, the back opening 81 and the bottom opening 82 can be formed in one step. Therefore, the manufacturing process of the casing 10 can be simplified. That is, the manufacturing process of the transportation refrigerator unit 7 can be simplified.
- This embodiment further includes a decorative plate 83 that closes either one of the rear opening 81 and the lower opening 82 .
- the decorative plate 83 can close the back opening 81 and the bottom opening 82 that are not used for drawing out the pipes P or the wires W. Therefore, it is possible to prevent outside air from flowing into the casing 10 through the opening 80 .
- the mounting area of the casing 10 can be increased by the decorative plate 83, the mounting stability of the casing 10 can be improved.
- the decorative plate 83 can prevent the inside of the casing 10 from being viewed from the outside. Therefore, designability can be improved.
- the position of the opening 80 in the left-right direction differs from that of the electrical equipment box 20 and the compressor 51 .
- the opening 80 can be formed at a position away from the position where the heavy load such as the electrical box 20 and the compressor 51 is applied. Therefore, the mounting strength of the casing 10 can be improved.
- the longitudinal direction of the opening 80 coincides with the left-right direction.
- the bottom opening 82 is smaller than the back opening 81 .
- the size of the opening 82 on the lower surface can be reduced while ensuring the size of the opening 80 required for drawing out the pipe P or the wiring W. Therefore, it is possible to improve the strength of the lower plate 13 of the casing 10 on which the load of the contents in the casing 10 is directly applied.
- the decorative plate 83 is fastened and fixed to the casing 10 with bolts, but the present invention is not limited to this.
- the decorative plate 83 may close the opening 80 by being fitted into the opening 80 .
- the decorative plate 83 may be attached to the opening 80 by a hinge, for example, so that it can be opened and closed.
- the transportation refrigerator unit 7 includes a rear plate 11 that can be attached to the trailer 3, and a lower plate 13 that extends forward from the lower end of the rear plate 11 and can be attached to the trailer 3.
- the casing 10 is provided over the rear plate 11 and the lower plate 13 to communicate the inside and outside of the casing 10, and the piping P and the wiring W are provided.
- An opening 80 is formed so that at least one of them can be pulled out.
- the opening 80 includes a rear opening 81 on the side of the rear plate 11 and a lower surface on the side of the lower plate 13 connected to the lower end of the rear opening 81. and an opening 82 .
- the pipes P or the wiring W can be pulled out of the casing 10 from both the back plate 11 and the bottom plate 13 of the casing 10 through one opening 80 .
- a transport refrigerating unit 7 according to a second aspect is the transport refrigerating unit 7 of (1), in which either one of the rear surface opening 81 and the lower surface opening 82 is closed.
- a plate 83 may also be provided.
- the decorative plate 83 can close the back opening 81 and the bottom opening 82 that are not used for drawing out the pipes P or the wires W.
- a transportation refrigerator unit 7 according to a third aspect is the transportation refrigerator unit 7 of (1) or (2), wherein the electrical equipment is provided in the casing 10 and accommodates electrical equipment.
- a box 20 and a compressor 51 provided in the casing 10 are further provided, and the opening 80 may be positioned differently from the electrical box 20 and the compressor 51 in the left-right direction.
- the opening 80 can be formed at a position away from the position where the heavy load such as the electrical box 20 and the compressor 51 is applied.
- a transportation refrigerator unit 7 according to a fourth aspect is the transportation refrigerator unit 7 according to any one of (1) to (3), wherein the longitudinal direction of the opening 80 extends in the left-right direction. may match.
- a transport refrigerating unit 7 according to a fifth aspect is the transport refrigerating unit 7 according to any one of (1) to (4), wherein the lower surface opening 82 is the rear surface opening 81. may be smaller than
- the size of the opening 82 on the lower surface can be reduced while ensuring the size of the opening 80 required for drawing out the pipe P or the wiring W.
- the present disclosure relates to a transportation refrigerator unit. According to the present disclosure, it is possible to improve the degree of freedom in mounting.
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Abstract
Description
以下、本開示の実施形態に係る保冷車両1について、図1から図6を参照して説明する。
図1に示すように保冷車両1は、トラクタ2と、トレーラ3と、輸送用冷凍機ユニット7と、を備える。
以下において、鉛直上下方向を単に「上下方向」と称し、上下方向に垂直な方向のうち一の方向を「前後方向」と称し、上下方向及び前後方向に垂直な方向を「左右方向」と称する。保冷車両1の走行方向は、前後方向と一致する。前方及び後方、左方及び右方は、保冷車両1の運転席を基準に定められる。
トレーラ本体5は、シャーシ6によって下方から支持された箱型のコンテナである。トレーラ本体5は、前後方向に延びている。トレーラ本体5の内部には、不図示の貨物を収容する空間が形成されている。
トレーラ本体5は、トラクタ2側に配置された前壁5aと、前壁5aの上端と接続された天壁5bと、前壁5aの左端及び天壁5bの左端と接続された左壁5cと、前壁5aの右端及び天壁5bの右端と接続された右壁5dと、を有する。
輸送用冷凍機ユニット7は、冷凍機ユニット本体8と、室内ユニット9と、を有する。
冷凍機ユニット本体8は、トレーラ本体5の外側に配置されている。冷凍機ユニット本体8は、トレーラ本体5の前壁5aの前面の上部に固定されている。図2から図5に示すように、冷凍機ユニット本体8は、ケーシング10と、アキュムレータ53と、圧縮機51と、ファン40と、室外熱交換器52と、レシーバ54と、電装ボックス20と、化粧板83と、を備える。ケーシング10の内部には、冷凍機ユニット本体8を構成する機器を収容するための空間が形成されている。
輸送用冷凍機ユニット7の冷却サイクル50は、アキュムレータ53、圧縮機51、室外熱交換器52、レシーバ54、膨張弁55、室内熱交換器56及び、室内ファン57等から構成されている。
圧縮機51は、ケーシング10内に収容されており、アキュムレータ53と接続されている。圧縮機51は、アキュムレータ53から供給される気相冷媒を圧縮する。
以下、冷凍機ユニット本体8の詳細について、図2から図5を参照して説明する。
図2から図4に示すように、ケーシング10は立方体状に形成されている。ケーシング10は、トレーラ3に取り付け可能な背面板11と、背面板11に対して前方に対向して配置された前面板12と、背面板11と前面板12の下端に接続され、背面板11と同様にトレーラ3に取り付け可能な下面板13と、背面板11の前面板12の上端に接続された上面板14と、左右方向に対向配置され、背面板11及び前面板12と下面板13及び上面板14とに接続された左面板15及び右面板16と、を有する。
開口部80は、ケーシング10内の収容物の配管Pまたは配線Wをケーシング10外に引き出し可能とする。開口部80は、ケーシング10の背面板11と下面板13とにわたって設けられている。また、開口部80は、ケーシング10の右側に設けられている。開口部80は、左右方向に延びている。すなわち、開口部80の長手方向は、左右方向に一致している。
なお、各図において、配管P及び配線Wはそれぞれ模式的に1本のみ示されている。配管P及び配線Wの本数は、適宜変更可能である。
配管P及び配線Wは、背面開口部81及び下面開口部82のいずれか一方から引き出される。図5に示すように、背面開口部81及び下面開口部82のうち、配管P及び配線Wに引き出しに用いられない方は、化粧板83によって閉塞される。
化粧板83は、背面開口部81及び下面開口部82よりも大きい薄板状に形成されている。化粧板83は、ケーシング10の外側から、開口部80を覆うように配置される。化粧板83は、例えば、ケーシング10にボルトによって締結固定される。
電装ボックス20の内部には、各種機器を収容可能な空間が形成されている。電装ボックス20には、インバータやコンバータ等の電源、パワー駆動系部品といった不図示の電装品が収容されている。電装ボックス20は、ケーシング10の開口部80よりも左側に設けられている。
圧縮機51は、ケーシング10の開口部80よりも左側かつ電装ボックス20よりも右側に設けられている。すなわち、ケーシング10の開口部80は、圧縮機51及び電装ボックス20と左右方向の位置が異なる。圧縮機51は、上下方向に延びるように配置されている。
室外熱交換器52は、電装ボックス20と吸込口19との間に設けられている。室外熱交換器52は、上下方向から見て、吸込口19と同様の形状に形成されている。室外熱交換器52は、例えば上下方向から見てL字状に形成されている。室外熱交換器52は、吸込口19から導入される空気と、冷却サイクル50を流れる冷媒との間で熱交換を行う。
ファン40は、ケーシング10の2つの排出口14aに対向する位置に1つずつ、計2つ設けられている。ファン40の軸線方向は、上下方向と一致している。
上述した輸送用冷凍機ユニット7では、冷凍機ユニット本体8のケーシング10が以下の手順で取り付けられる。
このようにして、ケーシング10の取り付けが行われる。
この場合、図7に示すように、開口部80のうち下面開口部82が化粧板83によって閉塞される。
以上、本開示の実施の形態について図面を参照して詳述したが、具体的な構成はこの実施の形態に限られるものではなく、本開示の要旨を逸脱しない範囲の設計変更等も含まれる。
なお、上記実施形態では、ケーシング10の開口部80から配管P及び配線Wを引き出す場合について説明したが、これに限られるものではない。配管P及び配線Wのいずれか一方を開口部80から引き出してもよい。
各実施形態に記載の輸送用冷凍機ユニット7は、例えば以下のように把握される。
Claims (5)
- トレーラに取り付け可能な背面板、及び前記背面板の下端から前方に延びるとともに前記トレーラに取り付け可能な下面板を有し、内部に各種機器を収納可能なケーシングを備え、
前記ケーシングには、前記背面板と前記下面板とにわたって設けられ、前記ケーシング内外を連通し、配管及び配線の少なくとも一方を引き出し可能とする開口部が形成され、
前記開口部は、
前記背面板側の背面開口部と、
前記背面開口部の下端に接続された前記下面板側の下面開口部と、
を有する輸送用冷凍機ユニット。 - 前記背面開口部及び前記下面開口部のいずれか一方を閉塞する化粧板をさらに備える請求項1に記載の輸送用冷凍機ユニット。
- 前記ケーシング内に設けられ、電装品が収容される電装ボックスと、
前記ケーシング内に設けられた圧縮機と、
をさらに備え、
前記開口部は、前記電装ボックス及び前記圧縮機と左右方向の位置が異なる請求項1又は2に記載の輸送用冷凍機ユニット。 - 前記開口部の長手方向は、左右方向に一致している請求項1から3のいずれか一項に記載の輸送用冷凍機ユニット。
- 前記下面開口部は、前記背面開口部よりも小さい請求項1から4のいずれか一項に記載の輸送用冷凍機ユニット。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS616166U (ja) * | 1984-06-14 | 1986-01-14 | 三洋電機株式会社 | 車載用冷凍機 |
JPH06265256A (ja) | 1992-09-16 | 1994-09-20 | Thermo King Corp | 輸送冷凍装置 |
JP2002310459A (ja) * | 2001-04-11 | 2002-10-23 | Sharp Corp | 空気調和機 |
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2021
- 2021-10-28 WO PCT/JP2021/039916 patent/WO2023073892A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS616166U (ja) * | 1984-06-14 | 1986-01-14 | 三洋電機株式会社 | 車載用冷凍機 |
JPH06265256A (ja) | 1992-09-16 | 1994-09-20 | Thermo King Corp | 輸送冷凍装置 |
JP2002310459A (ja) * | 2001-04-11 | 2002-10-23 | Sharp Corp | 空気調和機 |
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