WO2008001528A1 - Récipient réfrigérant - Google Patents

Récipient réfrigérant Download PDF

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Publication number
WO2008001528A1
WO2008001528A1 PCT/JP2007/057592 JP2007057592W WO2008001528A1 WO 2008001528 A1 WO2008001528 A1 WO 2008001528A1 JP 2007057592 W JP2007057592 W JP 2007057592W WO 2008001528 A1 WO2008001528 A1 WO 2008001528A1
Authority
WO
WIPO (PCT)
Prior art keywords
engine
container
refrigeration
refrigeration unit
fuel tank
Prior art date
Application number
PCT/JP2007/057592
Other languages
English (en)
Japanese (ja)
Inventor
Tatsuo Yamasaki
Hideaki Noguchi
Yousuke Takahashi
Kouji Matsuoka
Takayasu Satou
Original Assignee
Yanmar Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2006177184A external-priority patent/JP2008008518A/ja
Priority claimed from JP2006177182A external-priority patent/JP2008007136A/ja
Priority claimed from JP2006177178A external-priority patent/JP2008008513A/ja
Priority claimed from JP2006177179A external-priority patent/JP2008008514A/ja
Priority claimed from JP2006177180A external-priority patent/JP2008008515A/ja
Priority claimed from JP2006177187A external-priority patent/JP2008008520A/ja
Priority claimed from JP2006177181A external-priority patent/JP2008008516A/ja
Priority claimed from JP2006177185A external-priority patent/JP2008007137A/ja
Application filed by Yanmar Co., Ltd. filed Critical Yanmar Co., Ltd.
Priority to CN2007800299492A priority Critical patent/CN101501424B/zh
Publication of WO2008001528A1 publication Critical patent/WO2008001528A1/fr

Links

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
    • F25D11/003—Transport containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/20—Refrigerated goods vehicles
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy

Definitions

  • the present invention relates to a technology for a device layout configuration of a refrigerated container.
  • Patent Document 1 discloses a layout configuration of heat exchangers of a refrigeration unit for a refrigeration container in FIG.
  • the evaporator is placed at the top of the casing
  • the condenser is placed at the bottom of the evaporator
  • a blower fan is placed above each heat exchanger.
  • the air flow direction of the refrigeration unit is approximately the same as the height direction of the refrigeration unit.
  • Patent Document 1 Japanese Patent Laid-Open No. 06-094343
  • the condenser fan airflow must be the same as the evaporator fan airflow.
  • the fan speed cannot be as high as that of the evaporator fan, so the number of fans or the fan diameter increases. And the number of fans An increase in fan diameter leads to an increase in storage space, and the refrigeration unit cannot be made compact.
  • the problem to be solved is to present a layout configuration of a condenser that can make the refrigeration unit compact in a refrigeration unit having a larger condenser area than the evaporator area.
  • the present invention provides a refrigeration container that controls the temperature inside a container with a refrigeration unit that circulates a refrigerant with a compressor, and in the arrangement of heat exchangers in which the condenser area is larger than the evaporator area,
  • the condenser is disposed so that the ventilation direction thereof is substantially opposite to the container wife surface, and the condenser fan is disposed below the evaporator storage space so that the air blowing direction by the condenser fan is substantially vertical.
  • the evaporator is arranged in a space that opens in the container adjacent to the container-side ventilation space of the condenser so that the ventilation direction is substantially vertical.
  • the present invention is configured such that the condenser fan mounting bracket can swing substantially vertically downward with the container side as a support shaft.
  • the present invention provides a condenser on the uppermost side of the refrigeration unit, and provides the condenser fan adjacent to the condenser below the container-side ventilation space of the condenser, and its air feeding direction. Is an approximately blowing down direction, and an exhaust port having a downward air guide portion is provided on the outer surface of the refrigeration unit directly below the condenser.
  • the present invention provides a refrigeration container that controls the temperature in a container with a refrigeration unit that circulates a refrigerant with a compressor, wherein one of the drive sources of the refrigeration unit is an engine, and a fuel tank for the engine
  • the refrigeration unit is divided into three parts in the height direction, the heat exchanger of the refrigeration unit and these blower fans are at the top, the engine and the refrigerant equipment of the refrigeration unit are at the center, and the fuel tank Is placed at the bottom.
  • the fuel tank longitudinal dimension is a width direction of the refrigeration container end face.
  • the direction dimension is substantially the same.
  • the fuel tank when one of the driving sources of the refrigeration unit is an engine, and the fuel tank for the engine is provided, the fuel tank is disposed at the lower stage of the refrigeration unit, and The container side cover is configured to cover up to the upper part of the fuel tank.
  • the present invention is configured such that the fuel tank can swing downward with the fuel tank mounting frame on the refrigeration container side as a support shaft.
  • the present invention provides an engine that is one of the driving sources of the refrigeration unit below the condenser fan, and provides the engine fuel tank below the engine so that the periphery of the engine and the fuel A cover that covers the upper part of the tank is provided, a gap is provided between the cover and the side surface of the fuel tank, and the gap is spaced apart below the exhaust port.
  • the present invention shifts the storage space of the engine in the left-right direction with respect to the condenser fan in a container wife view.
  • an engine that is one of the drive sources of the refrigeration unit is disposed, the engine fuel tank is provided below the engine, and covers the periphery of the engine and the upper part of the fuel tank.
  • a cover is provided, a gap is provided between the cover and the side of the fuel tank, the engine cooling fan is provided on the side of the refrigeration unit in the engine storage space, and the outside air sucked by the engine cooling fan from the gap Is introduced to the engine storage space, and an intake pipe opening connected to the engine is provided in the vicinity of the introduction portion.
  • the present invention provides the refrigerant device of the refrigeration unit on the same floor as the engine storage space, partitions the refrigerant device storage space and the engine storage space with a partition wall, and exhausts the silencer of the engine Is provided above the refrigerant device storage space, and the refrigeration unit control device is arranged above the engine storage space.
  • an engine which is one of the drive sources of the refrigeration unit, is attached to a member having a horizontal surface of the same height, and a mounting base for heavy equipment lifting equipment is provided on the frame above the refrigeration container.
  • the present invention is such that the operation panel of the refrigeration unit is arranged on the side surface of the refrigeration unit at a position where the lower side of the operation panel is near the center line in the height direction of the refrigeration container.
  • the heat exchange area is large and the condenser faces the end face of the refrigeration unit, erosion of the cargo loading space in the container by the condenser can be suppressed. In other words, the container capacity can be maintained.
  • the heat exchange area of the condenser and the evaporator is substantially the same and the fan air flow for the condenser is increased, the number of fan rotations and the number of fans can be suppressed to save power.
  • the increase in the driving current of the fan motor can be suppressed, the thermal deterioration of the fan motor can be prevented.
  • the height of the refrigeration unit can be suppressed as compared with the case where the condenser fan is housed in the casing of the refrigeration unit and the condenser fan is disposed above the refrigeration unit.
  • the condenser fan and the condenser fan motor can easily take out the refrigeration unit force, thereby improving maintenance.
  • the exhaust heat from the condenser is blown downward to prevent the hot air around the truck engine from going up to the refrigeration container, and is not affected by the exhaust heat around the truck engine.
  • the air can be sucked and sucked in as condenser cooling air, improving the heat exchange efficiency of the condenser.
  • the fuel tank is located at the lowermost part, so that the operator can easily approach the fuel tank. In other words, refueling work efficiency can be improved.
  • the engine and the compressor can be arranged on the same level, and the attachment frame for these heavy objects can be shared.
  • the number of parts can be reduced by standardization, and the number of parts management and assembly can be reduced.
  • the fuel tank can be maximized, and the refrigeration container can be operated for a long time without oil supply.
  • the cover of the fuel tank is lightened to improve the detachability. wear. That is, the cover can be made lighter than the cover that covers the entire combustion tank, and the cover can be easily attached and detached. In addition, since the upper part of the fuel tank is covered with the engine cover, the number of parts can be reduced compared to the case where a fuel tank cover is separately provided.
  • the volume (height) of the fuel tank can be increased, and the maintenance of the fuel tank can be facilitated. That is, even when the oil filler opening is provided on the upper surface of the fuel tank, the fuel filler can be avoided from the frame of the refrigeration unit by swinging the fuel tank after the fuel tank is attached to the swing support shaft. In other words, it is not necessary to reduce the height of the fuel tank in order to secure the space for installing the oil filler opening. In addition, the size of the refrigeration unit in the height direction, which does not require the refrigeration unit to be raised by the space of the oil filler opening, can be suppressed.
  • the high-temperature exhaust silencer and the refrigeration unit control device can be separated.
  • the control device can be protected from heat.
  • the operator when a worker removes a heavy object such as an engine, the operator can carry the work only with a heavy object lifting device such as a chain block, and the maintainability can be improved.
  • the engine can be easily slidable and improved in maintenance work because the engine is mounted on an uneven surface.
  • the operation panel has a side arrangement, and can be easily operated even when loaded on a truck or the like.
  • the operation panel is placed in the upper half area of the container and the container is placed on the ground and buried in snow, the possibility of the operation unit being buried can be reduced.
  • FIG. 1 is a side view and a rear view showing a state in which a refrigerated container according to the present invention is loaded on a truck.
  • FIG. 2 Front view of the refrigeration unit.
  • FIG. 3 Perspective view of the left front force.
  • FIG. 5 Front view with the outer plate removed.
  • FIG. 6 is a rear view with the outer plate removed.
  • FIG. 7 is a cross-sectional view taken along line AA in FIG. 5, showing the arrangement of the condenser and the evaporator.
  • FIG. 8 is an AA diagram showing a state where the condenser fan bracket in FIG. 7 is rotated.
  • FIG. 9 is a cross-sectional view taken along the line BB in FIG. 5 showing the configuration of the exhaust tail pipe.
  • FIG. 10 is a CC cross-sectional view in FIG. 5 showing the outlet structure of the exhaust tail pipe.
  • FIG. 11 is a cross-sectional view taken along DD in FIG. 9, showing a support structure for the exhaust tail pipe.
  • FIG. 12 is a cross-sectional view taken along the line EE in FIG.
  • FIG. 13 FF sectional view in FIG. 9 showing the drainage structure of the exhaust tail pipe.
  • FIG. 14 is a right side view of the refrigeration unit showing a state where the engine is taken out of the refrigeration unit.
  • FIG. 15 is a right side view of a refrigerated container provided with a ladder and a grip for approaching the operation unit.
  • FIG. 16 is a cross-sectional view taken along the line GG in FIG. 15, showing the configuration of the operation unit.
  • FIG. 17 is a right side view of the refrigeration unit showing a state where the fuel tank is rotated.
  • FIG. 18 FF sectional view in Fig. 9 showing the bottom structure of the fuel tank.
  • FIG. 19 is a front view showing a power cable storage box.
  • FIG. 20 is a perspective view of the evaporator attached with a defrost heater, also viewed from below.
  • FIG. 21 is a side view of the same as seen from the X direction in FIG.
  • FIG. 22 is a refrigerant circuit diagram showing a refrigerant circuit configuration of a refrigeration unit.
  • FIG. 23 is a side view showing the configuration of a two-temperature zone container.
  • FIG. 24 is a perspective view showing a rear chamber control unit.
  • FIG. 25 is a cross-sectional view of HH in FIG. 24 showing the rear chamber control unit.
  • FIG. 1 is a side view and a rear view showing a state in which a refrigerated container according to the present invention is loaded on a truck
  • FIG. 2 is a front view of the refrigeration unit
  • FIG. 3 is a perspective view as seen from the left front. 4
  • FIG. 5 is a front view of the same with the outer plate removed
  • FIG. 6 is a rear view of the same with the outer plate removed.
  • FIG. 7 is a cross-sectional view taken along line AA in Fig. 5 showing the arrangement of the condenser and the evaporator
  • Fig. 8 is an AA view showing a state in which the condenser fan bracket in Fig. 7 is rotated
  • Fig. 9 is a configuration of the exhaust tail pipe.
  • FIG. 6 is a BB sectional view in FIG.
  • FIG. 10 is a CC sectional view in FIG. 5 showing the outlet structure of the exhaust tail pipe
  • FIG. 11 is a DD sectional view in FIG. 9 showing the support structure of the exhaust tail pipe
  • FIG. 12 is an EE sectional view in FIG.
  • Fig. 13 is a cross-sectional view of the FF in Fig. 9 showing the drainage structure of the exhaust tail pipe
  • Fig. 14 is a right side view of the refrigeration unit showing the engine taken out of the refrigeration unit
  • Fig. 15 is close to the operation unit It is a right view of the freezing container provided with the ladder and the holding part.
  • FIG. 16 is a cross-sectional view taken along the line GG in FIG. 15 showing the configuration of the operation unit
  • FIG. 17 is a right side view of the refrigeration unit showing a state where the fuel tank is rotated
  • FIG. FIG. 17 is a cross-sectional view taken along the line GG in FIG. 15 showing the configuration of the operation unit
  • FIG. 17 is a right side view of the refrigeration unit showing a state where the fuel tank is rotated
  • FIG. 19 is a front view showing the power cable storage box
  • FIG. 20 is a perspective view of the evaporator with the defrost heater attached, as viewed from below
  • FIG. 21 is a side view of the evaporator as seen from the X direction in FIG. is there.
  • FIG. 22 is a refrigerant circuit diagram showing the refrigerant circuit configuration of the refrigeration unit
  • FIG. 23 is a side view showing the configuration of the two-temperature zone container
  • FIG. 24 is a perspective view showing the rear chamber control unit.
  • FIG. 25 is a cross-sectional view taken along the line HH in FIG. 24 showing the rear chamber control unit.
  • Containers are large containers used for freight transportation. Carriers use containers to carry out integrated transportation to and from the door to reduce costs and prevent damage and theft.
  • a refrigeration unit is a machine that cools and freezes goods by supplying low-temperature air.
  • the refrigeration container is a large container used for freight transportation with the refrigeration unit having a low temperature inside the container.
  • the refrigerated container can be set in various low temperature zones such as freezing or refrigeration.
  • the refrigeration unit controls the operation so that the temperature inside the container reaches the set temperature. In this way, the refrigerated container can transport various cargoes such as frozen food, ice cream, fresh fish or fruits.
  • the refrigerated containers are intended for integrated transportation, they can be transported by ship, rail, or truck.
  • FIG. 1 shows a refrigerated container 1 loaded on a track 2.
  • the refrigeration container 1 includes a container 3 and a refrigeration unit 4 force.
  • Container 3 is made up of members that have heat insulation properties compared to ordinary containers (not refrigerated containers).
  • the container 3 is configured to have an opening on one side of the wife and a door 5 that can be opened and closed on the other side.
  • the refrigeration unit 4 supported by the frame 6 is attached to the opened wife surface.
  • cargo can be taken in and out from the wife's face, which has an openable door 5.
  • the refrigeration unit 4 will be briefly described.
  • the refrigeration unit 4 constitutes a refrigeration cycle in one unit. More specifically, the refrigeration unit 4 includes a compressor 11 that sucks low-temperature and low-pressure gas refrigerant and compresses it into a high-temperature and high-pressure gas refrigerant, and a high-temperature and high-pressure gas refrigerant.
  • a condenser 12 that condenses the liquid refrigerant of high temperature
  • a receiver 19 that retains the high-temperature and high-pressure liquid refrigerant
  • an expansion valve 113 that expands the high-temperature and high-pressure liquid refrigerant into a low-temperature and low-pressure liquid gas refrigerant (see Fig. 22).
  • the condenser 12 is an air-cooled heat exchanger that uses a condenser fan 16 driven by a condenser fan electric motor 14 to cool the refrigerant with outside air.
  • the evaporator 13 is an air-cooled heat exchanger that cools the internal air by allowing the evaporator fan motor 15 to absorb the heat of evaporation from the internal air to the refrigerant by using the evaporator fan 17.
  • the refrigeration unit 4 includes a generator 21 that supplies power to the compressor 11, an engine 22 that drives the generator 21, a fuel tank 23 that stores the fuel of the engine 22, an intake pipe 32, and An intake system 31 composed of an air cleaner 33 and an exhaust system 41 composed of an exhaust pipe 42 and a muffler 43 are provided. Further, the refrigeration unit 4 includes an electrical component box 51 and a power cable 52.
  • the electrical component box 51 includes an electronic control unit (hereinafter referred to as an ECU) 50 that controls equipment such as the engine 22 and the compressor 11, and an operation panel 94 that sets the internal temperature and the like.
  • the generator 21 is driven by the engine 22, and the compressor 11, the condenser fan motor 14 or the evaporator fan motor 15 is driven by the electricity supplied by the generator 21,
  • the temperature control of the refrigeration unit 4 is performed. Furthermore, it can be driven by electricity supplied from an external commercial power source.
  • the operators handling the refrigeration unit 4 such as those who perform maintenance / inspection of the refrigeration unit 4 and those who operate the temperature setting of the refrigeration unit 4 are all workers.
  • the refrigeration unit 4 is configured by arranging devices in a casing 61.
  • the casing 61 has an upper part 101, a central part 102 and a height part in the height direction.
  • the lower part 103 is divided into three parts.
  • the central portion 102 is configured to be divided into a right central portion 102a and a left central portion 102b in the width direction.
  • a condenser 12 In the upper part 101, a condenser 12, a condenser fan motor 14 and a condenser fan 16 are arranged on the front side, and an evaporator 13, an evaporator fan motor 15 and an evaporator fan 17 are arranged on the back side.
  • the engine system power is arranged in the right central part 102a, and the refrigerant system is arranged in the left central part 102b. In other words, the engine system and the refrigerant system are arranged in the same level.
  • a fuel tank 23 is disposed in the lower part 103.
  • the mounting base of the generator 21 and the engine 22 can be configured as the common frame 62. Since the number of parts can be reduced by using a common mounting base, it is possible to reduce parts management man-hours and assembly man-hours.
  • the fuel tank 23 is disposed in the lower portion 103 of the casing 61.
  • the fuel tank 23 is formed so that the length in the longitudinal direction is substantially the same as the length in the width direction of the casing 61.
  • the fuel tank 23 can secure a maximum volume in a given space in the casing 61, so that a long-term oil-free operation can be realized.
  • an oil feed pipe 28 engine 22 and a fuel tank 23 are connected via a feed pump 24 and an oil filter 25.
  • the feed pump 24 is a pump that supplies the fuel stored in the fuel tank 23 to the engine 22.
  • the oil filter 25 is a filter that filters the supplied fuel.
  • the feed pump 24 and the oil filter 25 are disposed adjacent to the right side of the fuel tank 23 in the lower part 103 of the casing 61.
  • the feed pump 24 can suppress the height difference from the fuel tank 23, and the fuel oil feeding efficiency of the feed pump 24 is improved.
  • the heat exchanger layout configuration of the refrigeration unit 4 will be described in detail with reference to FIGS. 5 to 7.
  • the condenser 12 is placed on the front side and the evaporator 13 is placed on the back side; '63 c.
  • the condenser 12 is formed with a large heat exchange area compared to the evaporator 13.
  • the condenser 12 is arranged so that the outside air flows in a direction (arrow P in FIG. 7) that penetrates the end face of the container 3. Further, the evaporator 13 is arranged so that the air in the cabinet flows in the vertical direction (arrow Q in FIG. 7).
  • the increase in the number of fans and the fan diameter leads to an increase in storage space, and the compactness of the refrigerator unit 4 cannot be achieved.
  • the power consumption increases as the fan speed increases.
  • the amount of heat generated by the current increases, so that the heat deterioration of the fan motor is accelerated.
  • the heat exchange area of the condenser is made larger than that of the evaporator, the condenser makes the outflow / inflow surface of the outside air face the container wife surface, and the evaporator makes the inflow / outflow surface of the inside air face the horizontal plane.
  • the refrigeration unit 4 can be made compact by suppressing an increase in the fan air volume of the condenser.
  • the condenser fan 16 is arranged below the rear surface of the condenser 12 and below the heat insulating wall 63c with the fan shaft as a vertical direction. With such a configuration, the condenser cooling air is guided downward after passing through the condenser 12 so as to penetrate the end face of the container 3.
  • the height of the refrigeration unit can be suppressed as compared with a configuration in which the condenser fan 16 and the condenser fan electric motor 14 are installed on the top of the refrigeration unit 4.
  • the condenser cooling air is discharged to the outside of the unit by the air guide portion 65 shown in FIG.
  • the condenser cooling air is discharged to the truck engine side. As a result, it is possible to reduce the hot air around the truck engine from rising to the refrigeration unit 4 side.
  • the condenser fan electric motor 14 is supported by a bracket 60.
  • the bracket 60 is configured with the depth side supported by the casing 61 as a support shaft.
  • the bracket 60 is configured to be pivotable downward by providing a pivot shaft at the rear side in the horizontal direction (arrow L in FIG. 8).
  • the operator can easily replace or inspect the condenser fan motor 14 and the condenser fan 16 without removing the condenser 12. In this way, in the refrigeration unit 4, the maintainability of the condenser fan motor 14 and the condenser fan 16 is improved.
  • the evaporator 13 is supported by a mounting base 64.
  • the mounting base 64 is installed on a heat insulating wall 63c constituting the casing 61. Further, the heat insulating wall 63c is formed so that the opening becomes larger toward the lower inside of the container in order to reduce the flow resistance of the internal air passing through the evaporator 13.
  • the mounting base 64 is configured to support the evaporator 13 with the upper part horizontal and to be installed on the heat insulating wall 63c with the lower part inclined according to the inclination of the heat insulating wall 63c! RU
  • the lower engine cover 68 is provided in front of the refrigeration unit 4.
  • the lower engine cover 68 is configured to cover a substantially lower portion and a substantially upper portion of the lower portion 103 in the right center portion 102a where the engine 22 is disposed. That is, engine 2 2 and the upper front of the fuel tank 23 are covered.
  • the lower engine cover 68 forms a gap R with the fuel tank 23.
  • the rajeta fan 26 is provided on the right side surface of the right center portion 102 a of the refrigeration unit 4, that is, on the right side surface of the refrigeration unit 4.
  • the cooling air sucked in by the Rajjtafan 26 is introduced into the right center portion 102a through the gap R, passes under the common frame 62 of the engine 22 and the generator 21 and passes through the introduction portion 32a near the partition wall 66 to the right. It flows into the central portion 102a and flows out into the opening 9 (arrow S in FIGS. 2 to 5 and 7).
  • the cooling air can be cooled in the order of low temperature power high temperature of the exhaust heat temperature of the generator 21 and the engine 22. Therefore, the cooling efficiency of the generator 21 is improved.
  • the Raje-tafan 26 is provided in the central portion 102, the height of the refrigeration unit 4 can be suppressed.
  • the intake pipe 32 can suck a part of the cooling air by the Rajeta fan 26 by adopting such a configuration that introduces outside air from the opening facing the introduction portion 32a.
  • the partition wall 66 is provided at the approximate center in the width direction of the central portion 102.
  • the partition wall 66 separates the right center portion 102a where the engine system is disposed and the left center portion 102b where the refrigerant system is disposed.
  • the muffler 43 is attached to the partition wall 66 above the left center portion 102b.
  • the electrical component box 51 is arranged on the right side of the upper part 101.
  • the muffler 43 and the electrical component box 51 can be isolated. In this way, the electrical box 51 can be prevented from being affected by the exhaust heat of the engine due to the muffler 43. . That is, heat protection is realized in the electrical component box 51.
  • the panel 67 is provided in front of the left central portion 102b where the refrigerant system is arranged.
  • the nonel 67 is provided with a mesh 67a that allows ventilation, and the left central portion 102b can be naturally ventilated without a fan or the like. In this way, in the refrigeration unit 4, the cooling efficiency of the refrigerant control device (for example, an electromagnetic valve or an electronic expansion valve) and the muffler 43 is improved.
  • the exhaust pipe 42 is provided so as to exhaust the exhaust from the engine 22 to the outside.
  • the exhaust pipe 42 discharges the exhaust from the muffler 43 to the outside through the exhaust tail pipe 44.
  • the exhaust tail pipe 44 is configured between the condenser 12 and the electrical component box 51 in the lead straight direction. Further, as shown in FIG. 9, the exhaust tail pipe 44 has the exhaust direction as the back side of the refrigeration unit 4.
  • the exhaust tail pipe 44 can be stored in the refrigeration unit 4, and the exhaust of the engine 22 can be discharged at the upper end of the refrigeration unit 4.
  • the discharge direction can be opposite to the traveling direction of the truck 2 when loaded on the truck 2, for example. In this way, re-suction of engine exhaust is prevented in the refrigeration unit 4.
  • the outlet of the exhaust tail pipe 44 is covered with a cover 70 at the ceiling of the refrigeration unit 4.
  • This cover 70 is a cover with a simple structure that opens only in the exhaust direction.
  • the exhaust tail pipe 44 is provided with a waterproof weir 71 on the periphery of the through portion of the casing 61 in the ceiling portion of the refrigeration unit 4. This waterproof weir 71 is provided in close proximity to the exhaust tail pipe 44.
  • the exhaust tail pipe 44 is configured inside the casing 61.
  • the exhaust tail pipe 44 has a vertical portion 44a disposed in the vertical direction between the condenser 12 and the electrical component box 51 (see FIG. 5). This vertical portion 44a is attached to the casing 61. Anti-vibration is supported. More specifically, the exhaust tail pipe 44 is supported on the casing 61 by a bracket 72 via a support material 73 and a coasting material 74.
  • the bracket 72 supports the exhaust tail pipe 44 while absorbing the thermal deformation of the exhaust tail pipe 44 even when the exhaust tail pipe 44 is deformed due to aging or exhaust heat. can do. In this manner, in the refrigeration unit 4, the exhaust pipe 42 can be prevented from being damaged, and the durability is improved.
  • the exhaust tail pipe 44 has a horizontal portion 44b disposed in the horizontal direction below the condenser 12. Furthermore, as shown in FIG. 13, a drain outlet 45 is provided in the horizontal portion 44b. The drain outlet 45 is connected to the drain hose 46. Although not shown, the drain hose 46 is provided so that it can be drained outside the refrigeration unit 4.
  • the drain water drain 45 is provided with a step so that the drain water can be captured.
  • the engine 22 is suspended from the refrigeration unit 4 by being suspended by a chain block 77 attached to the removable bracket 76 during maintenance.
  • the detachable bracket 76 is formed of, for example, H-shaped steel, and is configured to be detachable to the upper end portion of the casing 61 with a bolt or the like. During maintenance, remove the bolts and replace them so that one end of the removable bracket 76 protrudes forward.
  • the common frame 62 is a common frame for the engine 22 and the generator 21.
  • the common frame 62 is formed with a horizontal mounting surface without unevenness.
  • the refrigeration unit 4 is provided with an operation unit 91 on the right side surface.
  • the operation unit 91 is arranged so that the lower side of the operation unit 91 is positioned near the center line of the refrigeration unit 4.
  • the frame 6 is provided with a ladder portion 92 and a grip portion 93 on the right side surface.
  • the lower end force of the frame 6 is also provided up to the operation portion 91.
  • the grip portion 93 is provided on the frame 6 so as to be positioned in the vicinity of the operation portion 91. Note that the ladder part 92 is simple enough to allow an operator to step on the foot.
  • the operation unit 91 constitutes an operation panel storage chamber 95.
  • the operation panel storage room 95 has a partially opened depth surface.
  • An operation panel 94 is fitted into the opening surface.
  • the operation panel 94 can be double waterproofed by the waterproof treatment of the operation panel 94 and the waterproof treatment of the operation panel storage chamber 95.
  • the operation unit 91 is designed to prevent rainwater intrusion!
  • the operation panel storage chamber 95 is covered with a door 96 on the surface.
  • the door 96 is configured such that its upper end is pivotally supported with respect to the side plate so that it can be opened and closed upward.
  • the door 96 becomes eaves and can prevent intrusion of rainwater. Also, if the operator releases the hand, it closes with the dead weight of the door 96, thus preventing forgetting to close.
  • the operation panel 94 is installed in the opening portion opened in the depth surface of the operation panel storage chamber 95 via the packing 99 and the grommet 100.
  • packing 99 is interposed on the periphery of the mounting surface of the operation panel 94 to the operation panel storage chamber 95, and a grommet 100 is externally fitted to the bolt that fixes the operation panel 94 to the operation panel storage chamber 95, thereby preventing vibration. I support it.
  • the door 96 is attached to the periphery of the opening opened on the surface of the operation panel storage chamber 95 via the packing 98.
  • the operation panel 94 can be sealed at both the door 96 and the periphery of the operation panel 94. In this way, rainwater intrusion is prevented in the operation panel 94.
  • the door 96 is provided with a transparent window 97 at a substantially central portion.
  • the operator can confirm only the display on the operation panel 94 without opening and closing the door 96. In this way, the operability is improved in the operation unit 91.
  • the fuel tank 23 is disposed in the lower portion 103 of the casing 61.
  • the lower engine cover 68 covers the lower half surface of the central portion 102 and the substantially upper portion of the lower portion 103 on the surface of the refrigeration unit 4.
  • the lower engine cover 68 can be made lighter than in the case where the entire surface of the lower part 103 is covered. That is, the operator can easily detach the lower engine cover 68. In this way, the maintainability of the refrigeration unit 4 is improved.
  • the upper part of the fuel tank 23 can be blinded with only one lower engine cover 68 as compared with a case where the entire surface of the lower part 103 is divided and covered with a cover. In this way, the number of parts of the refrigeration unit 4 is reduced.
  • the fuel tank 23 is carried by a frame 35 having a frame shape around the fuel tank 23.
  • the frame 35 is configured to be pivotable up and down with respect to the casing 61 by pivotally supporting the depth side at the lower end (the back side of the refrigeration unit 4) with a support shaft (arrow M in FIG. 17).
  • the assembly operator pivots the rear part while holding the fuel tank 23 on the frame 35, and lifts the fuel tank 23 to fix the front part.
  • the fuel tank 23 can be attached to the casing 61 by an easy process. In this way, the assemblability is improved when the refrigeration unit 4 is manufactured.
  • the height of the fuel tank 23 can be made equal to the height of the lower portion 103 of the casing 61 even when the oil filler port 36 is provided in the upper portion of the fuel tank 23. In this way, in the refrigeration unit 4, the volume of the fuel tank 23 is increased. If the common frame 62 is provided with a projecting opening of the oil filler port 36, as shown in FIG. 7 or FIG. 8, the fuel tank 23 even if the common frame 62 overlaps the oil filler port 36 in the height direction. Can be installed. Accordingly, the height of the refrigeration unit 4 can be suppressed as compared with the case where the common frame 62 is raised by the height of the oil filler port 36.
  • the operator releases the fixing of the front portion of the frame 35 and pivots downward so that the upper portion of the fuel tank 23 is directed forward. Can be made. That is, the operator can easily inspect the upper part of the fuel tank 23. In this way, in the refrigeration unit 4, the maintainability of the fuel tank 23 is improved.
  • the fuel tank 23 includes a strainer 27 inside.
  • the strainer 27 is provided at the tip of the oil feed pipe 28 on the fuel tank 23 side.
  • the strainer 27 is recessed through an elastic body 29 in a recess 23 a formed at the bottom of the fuel tank 23. With such a configuration, the feed pump 24 can suck the fuel to the bottom of the fuel tank 23. In this way, the effective volume of the fuel tank 23 is improved.
  • the refrigeration unit 4 is provided with a power cable 52 so that a commercial power source can also supply power.
  • the refrigeration unit 4 may be driven by the supply of an external commercial power source or the like through the power cable 52 when it is transported by train or ship.
  • the power cable 52 is stored in a power cable storage box 54 located at the lower right of the casing 61 in a state of being wound.
  • the power cable 52 has a power plug 53 at the tip.
  • a storage cylinder 55 is provided at the left end.
  • the storage cylinder 55 is provided with its tip inclined upward.
  • a defrost heater 80 is provided for the purpose of preventing frost formation of the evaporator 13.
  • the evaporator 13 is illustrated with the fins and tubes omitted to facilitate the component force.
  • the defrost heater 80 is formed of a round bar-like heating element that generates heat when energized.
  • the evaporator 13 has an evaporator frame 13a at both ends and a notch 13b formed at the lower end of the fin (not shown).
  • the notch 13b has a semi-long hole shape that matches the cross-sectional shape of the defrost heater 80.
  • the defrost heater 80 is attached by being fitted into the notch 13b.
  • the operator when replacing the defrost heater 80, the operator can easily push the defrost heater 80 from the evaporator 13 by simply depressing or fitting the defrost heater 80 from the notch 13b. Detachable. In this way, the maintainability of the defrost heater 80 is improved.
  • the defrost heater 80 has a U-shaped folded structure on one side. It has been completed.
  • the wiring of the defrost heater 80 can be concentrated on the other side. In this way, workability is improved when the refrigeration unit 4 is manufactured or when the defrost heater 80 is replaced.
  • the defrost heater 80 is fixed at both ends by a pressing member 81 from the lower side of the evaporator frame 13a by V and below.
  • the defrost heater 80 is prevented from dropping from the notch 13b after installation. That is, a plurality of defrost heaters 80 can be fixed and prevented from falling off with a simple configuration. In this way, the safety of the defrost heater 80 is improved.
  • the evaporator 13, the evaporator fan 17, and the evaporator fan motor 15 are arranged inside the container 107, and the rest are arranged outside the container 106.
  • the compressor 11 the condenser 12, the expansion valve 113, the receiver 19, and the evaporator 13, the refrigerant sucked between the evaporator 13 and the compressor 11 is used as a device constituting the refrigerant circuit.
  • An accumulator 117 for storage or gas-liquid separation and an opening adjustment valve 116 for adjusting the refrigerant circulation amount are provided.
  • the evaporator 13 includes two heat exchanges, that is, the evaporator 13m and the supercooling heat exchange 1311.
  • the supercooling bypass path 112 short-circuits the condenser 12 outlet and the receiver 19 inlet via the solenoid valve 111. Further, the suction bypass path 114 is configured in parallel with the opening degree adjustment valve 116 via the electromagnetic valve 115.
  • the high-temperature and high-pressure gas refrigerant discharged from the compressor 11 flows into the condenser 12 and dissipates heat to the outside air to condense. Then, the liquefied refrigerant flows into the receiver 19 through the path 112 and is rapidly reduced in pressure by the throttle action of the expansion valve 113 and flows into the evaporator 13 as a mist. Then, the inside of the container 3 is frozen and refrigerated by the endothermic action accompanying the evaporation of the refrigerant, and the vaporized refrigerant is sucked into the compressor 11.
  • the supercooling heat exchanger 13 ⁇ is configured as a part of the evaporator 13 disposed in the container interior 107.
  • Supercooling means high pressure 'high temperature condensed in condenser 12 This is the action of cooling the refrigerant liquid.
  • the supercooling effect can reduce the inlet enthalpy of the evaporator 13 and increase the evaporator capacity.
  • the opening degree adjusting valve 116 adjusts the refrigerant circulation amount of the entire refrigerant circuit by adjusting the amount of refrigerant sucked by the compressor 11.
  • Refrigeration operation is operated with less refrigeration capacity than refrigeration operation. Therefore, during the refrigeration operation, the solenoid valve 115 is closed and the operation is performed only with the refrigerant amount adjusted by the opening adjustment valve 116.
  • the solenoid valve 115 is opened and the refrigerant circulation amount is secured by using both the bypass path 114 and the opening adjustment valve 116 path.
  • the bypass path 114 is also used, and in the refrigeration operation that requires a small amount of refrigerant circulation, the opening adjustment valve 116 can be adjusted. By doing so, both responsiveness and accuracy of opening adjustment are improved.
  • the refrigeration operation is an operation that keeps the internal air temperature below zero degrees
  • the two-temperature zone container 7 is a container 3 having a room of two different temperature zones, ie, the front chamber 3a and the rear chamber 3b.
  • the front chamber 3a is disposed on the refrigeration unit 4 side of the container 3 for refrigeration.
  • the front chamber 3a is directly cooled by the cooling air of four refrigeration units.
  • the rear chamber 3b is disposed on the door 5 side of the container 3 for refrigeration. Rear chamber 3b Cooled by the cooling air whose temperature is controlled in the chamber unit 130.
  • the rear chamber unit 130 is composed of a heating / mixing chamber 126 arranged at the left and right of the front chamber 3a cold air suction chamber 125 in the center in the width direction of the container 3. .
  • the blower fan 122 is provided at the opening of the front chamber 3a of the duct 120 and the cool air suction chamber 125.
  • the blower fan 121 is provided at the suction opening of the heating / mixing chamber 126.
  • the duct 120 and the front chamber 3a cold air suction chamber 125 are configured to surround the entire periphery with a heat insulating material (not shown). With such a configuration, condensation on the duct 120 and the rear chamber 3b side of the front chamber 3a cold air suction chamber 125 can be prevented. In this way, dew condensation on the ceiling of the rear chamber 3b is prevented and the cargo is prevented from getting wet.
  • the heating / mixing chamber 126 includes a drain pan 127 at the bottom. This is because in the heating / mixing chamber 126, the frozen air in the front chamber 3a sucked from the duct 120 and the refrigerated air in the rear chamber 3b sucked by the blower fan 121 are mixed, so that condensed water is generated.
  • the drain pan 127 can guide the generated condensed water to the air guide duct 129 and guide the air from the air guide duct 129 to the floor of the container 3. Condensed water led to the floor is drained out of the container 3 drain (not shown) force container. In this way, cargo wetting is prevented in the rear chamber 3b.
  • each of the blower fans 121, 122, and 121 is arranged in the width direction of the container 3 as a total of nine fans by arranging three fans with the same diameter in a row. .
  • each fan can be made smaller, so the rear chamber unit 130 can be The size can be suppressed. In this way, the effective height for loading and unloading is increased in the rear chamber 3b.
  • the heater unit 123 shown in FIGS. 24 and 25 has a configuration in which the heating element 140 and the support member 141 are integrated.
  • the operator can easily attach and detach the heater unit 123 at the time of manufacturing or replacement of the heater unit 123. In this way, the heater unit 123 is improved in assembling and maintenance.
  • a shutter 128 is provided in front of the blower fan 122 of the duct 120.
  • the shutter 128 is made of a plate-like elastic body, and its upper part is fixed to the upper side of the duct 120.
  • the shutter 128 is configured so that a weight is attached to the lower part and is in close contact with the lower side.
  • the shutter 128 can rotate to the blower fan 122 side at the lower part. That is, when the refrigeration air in the front chamber 3a is sucked by the blower fan 122, the shirt 128 is blown up and the front chamber 3a communicates with the front chamber 3a cool air suction chamber 125. When the blower fan 122 is stopped, the shutter 128 is released. The front chamber 3a is closed and is shut off from the front chamber 3a cold air suction chamber 125. In this way, in the duct 120, the refrigerated air in the front chamber 3a is prevented from naturally flowing into the rear chamber 3b except for forced suction by the blower fan 122.
  • the present invention can be used for a refrigeration container having a refrigeration unit on the open end surface of the container.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

Récipient réfrigérant (1) dans lequel la température d'un récipient (3) est commandée par une unité réfrigérante (4) dans laquelle un réfrigérant est amené à circuler par un compresseur (11). L'une des sources d'entraînement de l'unité réfrigérante (4) est un moteur (22). Pour permettre l'installation d'un réservoir de carburant (23) du moteur (22) dans l'unité réfrigérante (4), celle-ci est divisée en trois parties disposées dans le sens de la hauteur. Des échangeurs thermiques de l'unité réfrigérante (4) et des ventilateurs correspondants sont disposés dans la partie supérieure (101), le moteur (22) et un dispositif réfrigérant de l'unité réfrigérante (4) sont disposés dans la partie centrale (102), et le réservoir de carburant (23) est disposé dans la partie inférieure (103). Ceci représente un agencement efficace de la totalité des dispositifs, y compris le moteur et le réservoir de carburant, pour optimiser le rendement de l'alimentation en huile et la capacité du réservoir de carburant.
PCT/JP2007/057592 2006-06-27 2007-04-04 Récipient réfrigérant WO2008001528A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007800299492A CN101501424B (zh) 2006-06-27 2007-04-04 冷冻集装箱

Applications Claiming Priority (16)

Application Number Priority Date Filing Date Title
JP2006-177187 2006-06-27
JP2006-177182 2006-06-27
JP2006177184A JP2008008518A (ja) 2006-06-27 2006-06-27 冷凍コンテナ
JP2006177182A JP2008007136A (ja) 2006-06-27 2006-06-27 エンジン駆動式冷凍コンテナ
JP2006-177184 2006-06-27
JP2006177178A JP2008008513A (ja) 2006-06-27 2006-06-27 エンジン駆動式冷凍コンテナ
JP2006177179A JP2008008514A (ja) 2006-06-27 2006-06-27 冷凍コンテナ
JP2006177180A JP2008008515A (ja) 2006-06-27 2006-06-27 冷凍コンテナ
JP2006-177180 2006-06-27
JP2006-177178 2006-06-27
JP2006177187A JP2008008520A (ja) 2006-06-27 2006-06-27 冷凍コンテナ
JP2006-177181 2006-06-27
JP2006177181A JP2008008516A (ja) 2006-06-27 2006-06-27 エンジン駆動式冷凍コンテナ
JP2006-177185 2006-06-27
JP2006-177179 2006-06-27
JP2006177185A JP2008007137A (ja) 2006-06-27 2006-06-27 エンジン駆動式冷凍コンテナ

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WO2008001528A1 true WO2008001528A1 (fr) 2008-01-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011014526A2 (fr) 2009-07-31 2011-02-03 Carrier Corporation Contenant réfrigéré comportant une unité de réfrigération intégrée à une caisse de chargement
NL2020263B1 (nl) * 2018-01-10 2019-07-17 Verhulst Klimaattechniek B V Modulair verwarmingssysteem voor een woning
CN114929598A (zh) * 2014-05-16 2022-08-19 单位45有限公司 用于运输货物的货运集装箱和方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6291773A (ja) * 1985-10-17 1987-04-27 ダイキン工業株式会社 コンテナ用冷凍装置
JP2000310475A (ja) * 1999-04-27 2000-11-07 Sanyo Electric Co Ltd 冷却装置
JP2001074349A (ja) * 1999-08-31 2001-03-23 Mitsubishi Heavy Ind Ltd 陸上輸送用冷凍装置のコンデンサユニット
JP2001099538A (ja) * 1999-09-30 2001-04-13 Sanyo Electric Co Ltd 低温ショーケース
JP2004003705A (ja) * 2002-05-31 2004-01-08 Seirei Ind Co Ltd コンテナ用冷凍装置
JP2006071252A (ja) * 2004-09-06 2006-03-16 Seirei Ind Co Ltd コンテナ用冷凍装置
JP2006071253A (ja) * 2004-09-06 2006-03-16 Seirei Ind Co Ltd コンテナ用冷凍装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6291773A (ja) * 1985-10-17 1987-04-27 ダイキン工業株式会社 コンテナ用冷凍装置
JP2000310475A (ja) * 1999-04-27 2000-11-07 Sanyo Electric Co Ltd 冷却装置
JP2001074349A (ja) * 1999-08-31 2001-03-23 Mitsubishi Heavy Ind Ltd 陸上輸送用冷凍装置のコンデンサユニット
JP2001099538A (ja) * 1999-09-30 2001-04-13 Sanyo Electric Co Ltd 低温ショーケース
JP2004003705A (ja) * 2002-05-31 2004-01-08 Seirei Ind Co Ltd コンテナ用冷凍装置
JP2006071252A (ja) * 2004-09-06 2006-03-16 Seirei Ind Co Ltd コンテナ用冷凍装置
JP2006071253A (ja) * 2004-09-06 2006-03-16 Seirei Ind Co Ltd コンテナ用冷凍装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011014526A2 (fr) 2009-07-31 2011-02-03 Carrier Corporation Contenant réfrigéré comportant une unité de réfrigération intégrée à une caisse de chargement
EP2459468A2 (fr) * 2009-07-31 2012-06-06 Carrier Corporation Contenant réfrigéré comportant une unité de réfrigération intégrée à une caisse de chargement
EP2459468A4 (fr) * 2009-07-31 2012-12-19 Carrier Corp Contenant réfrigéré comportant une unité de réfrigération intégrée à une caisse de chargement
CN114929598A (zh) * 2014-05-16 2022-08-19 单位45有限公司 用于运输货物的货运集装箱和方法
NL2020263B1 (nl) * 2018-01-10 2019-07-17 Verhulst Klimaattechniek B V Modulair verwarmingssysteem voor een woning

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