JP6991438B2 - Freight transport vehicle and cold storage equipment - Google Patents

Description

The present invention relates to a freight transport vehicle that needs to keep the inside of a refrigerator at a constant temperature, and a cold insulation equipment that needs to keep the inside of a refrigerator at a constant temperature.

When transporting vegetables / fruits, fresh fish / meat, etc., freight transport vehicles need to maintain their quality at low temperature or freezing. At this time, if the temperature inside the refrigerator changes, the quality of the product also changes, and the product value may decline or disappear.
However, since freight transport vehicles are used outdoors, it is important to prevent heat from entering from outside the freight room as much as possible in order to stabilize the temperature inside the freight room.

In addition, many vegetables and fruits are stored at low temperature or frozen in the cold insulation equipment, and in order to stabilize the indoor temperature of the cold insulation equipment, whether it is an independent building or a facility installed in the building. It is important to prevent the intrusion of heat from the outside of the cold insulation equipment as much as possible.

Conventionally, in freight transport vehicles and cold insulation equipment, a method of inserting a heat insulating material between an exterior material and an interior material to insulate heat from the outside is generally adopted as a method of dealing with these problems. Effervescent heat insulating materials such as rigid urethane foam with low thermal conductivity are often used as heat insulating materials, but in order to improve the effect of maintaining the temperature difference between the outside temperature and the inside, the thickness of the heat insulating material is increased. Must be increased. Therefore, in a freight transport vehicle, if the heat insulating effect is increased, the loading efficiency deteriorates as the heat insulating material becomes thicker, and further, the weight of the vehicle increases and the fuel consumption of the freight transport vehicle decreases. Further, even in the cold insulation equipment, there arises a problem that the storage efficiency per unit area is lowered and the energy consumption for cold insulation is increased.

Further, it is known that a heat insulating material such as rigid urethane foam has a low thermal conductivity. The heat itself reaches at the conduction rate while being stored in the heat insulating material from the surface of the installed heat insulating material to its thickness. After reaching, the stored heat is dissipated to the colder side. Therefore, over time, the stored heat is radiated, and the external heat is gradually conducted to the inside of the cold insulation facility. Further, the heat insulating material suppresses heat conduction in the first place, and does not have the effect of blocking radiant heat transmitted as electromagnetic waves. Therefore, the radiant heat transmitted as electromagnetic waves penetrates into the interior without being blocked by the heat insulating material. Therefore, the energy supply to the internal air-conditioning equipment will be continued, which causes problems such as a decrease in fuel consumption in the freight transport vehicle and an increase in energy consumption in the cold insulation equipment. Furthermore, dew condensation is likely to occur at the interface where there is a temperature difference between the radiant heat from the infiltrating heat insulating material and the cold heat from the cold insulation equipment room, which causes mold and bacterial growth, making it unsuitable as an environment for handling food. There is also the problem of becoming.

In order to solve such a problem, an exterior part arranged on the outdoor side of the building and having a heat insulating layer and an interior part arranged on the indoor side of the exterior part are provided, and the interior part is an interior base material and an interior base. The spatial partition structure of a building having a heat reflection layer arranged on the indoor side of the material and a heat conduction suppressing layer having a smaller heat capacity per volume than the interior base material arranged between the two (Patent Document 1) is known. Has been done.

Japanese Unexamined Patent Publication No. 2007-182719

However, the heat insulating layer of the conventional space partition structure described above has a predetermined weight and is also a heat storage layer, and the temperature of the heat conduction suppressing layer rises due to the heat transferred from the heat insulating layer of the exterior portion, so that the heat reflecting layer There is a problem that dew condensation occurs due to a temperature difference between the two.

The present invention has been made in view of such circumstances, and is provided with a space partition structure capable of preventing heat conduction, convection, and radiation from the outside, being lightweight, and preventing dew condensation inside. The purpose is to provide freight transport vehicles and cold storage equipment.

In order to meet such an object, the freight transport vehicle according to the present invention has an exterior portion arranged on the upper part, the side surface portion and the bottom portion of the outdoor side of the cargo compartment, and three polyethylene sheets on both sides of high-purity aluminum foil. A heat-shielding means made of a sheet material consisting of seven layers alternately sandwiched between a sheet and two bubble polyethylene sheets and plasma-welded between the sheets, and a static air layer provided between the exterior portion and the heat-shielding means. It is characterized by having a space partition structure of a cargo compartment having a and.

With this configuration, the external heat is first insulated by the static air layer without being stored, and the heat shield means reflects the electromagnetic waves by the high-purity aluminum foil to reflect the radiant heat and shield the heat. In addition to being able to do so, the effect of the polyethylene sheet and bubble polyethylene sheet also has a heat insulating effect, and it is possible to prevent heat from entering the cargo compartment with high efficiency.

Further, in the freight transport vehicle according to the present invention, the exterior portion arranged on the upper part, the side surface portion and the bottom portion of the outdoor side of the cargo compartment, the interior portion arranged on the indoor side from the exterior portion, and the high purity on both sides. It is composed of 7 layers in which 3 polyethylene sheets and 2 bubble polyethylene sheets are alternately sandwiched between aluminum foils, and each sheet is composed of a heat shield means made of a plasma-welded sheet material, and is composed of the exterior portion and the shield. A static air layer is provided between the heat shielding means and the interior portion, and a space partition structure of a cargo compartment having a heat conduction suppressing layer made of a resin member having a hollow structure is provided between the heat shielding means and the interior portion. It is a feature.

With this configuration, the external heat is first insulated by the static air layer without being stored, and the heat shielding means reflects the electromagnetic waves by the high-purity aluminum foil to reflect the radiant heat and shield the heat. In addition to being able to do this, the polyethylene sheet and bubble polyethylene sheet also have a heat insulating effect, and the heat conduction suppression layer further enhances the heat insulating effect, preventing heat from entering the cargo compartment with high efficiency. The strength can also be increased.

Further, the freight transport vehicle according to the present invention has an exterior portion arranged on the upper part, a side surface portion and a bottom portion of the outdoor side of the cargo compartment, an interior portion arranged on the indoor side of the exterior portion, and high purity on both sides. It is composed of 7 layers in which 3 polyethylene sheets and 2 bubble polyethylene sheets are alternately sandwiched between aluminum foils, and each sheet is composed of a heat shield means made of a plasma-welded sheet material, and is composed of the exterior portion and the shield. It is characterized by having a space partition structure of a cargo compartment in which a static air layer is provided between the heat shield means and the static air layer is provided between the heat shield means and the interior portion.

With this configuration, the external heat is first insulated by the static air layer without being stored, and the heat shielding means reflects the electromagnetic waves by the high-purity aluminum foil to reflect the radiant heat and shield the heat. In addition to being able to do this, the effect of the polyethylene sheet and bubble polyethylene sheet also has a heat insulating effect, and the static air layer inside the heat shield means enhances the heat insulating effect without further storing heat, preventing heat from entering the cargo compartment with high efficiency. can do.

The freight transport vehicle according to the present invention is a freight transport vehicle in which a snorkeling member is arranged at the bottom of the outdoor side of the freight chamber. A space section of a cargo compartment provided with heat-shielding means consisting of seven layers in which three polyethylene sheets and two bubble polyethylene sheets are alternately sandwiched between pure aluminum foils and each sheet is made of a plasma-welded sheet material. It is characterized by having a structure.

According to such a configuration, the heated engine exhaust is discharged through the exhaust pipe at the lower part of the vehicle body, so that the bottom of the cargo compartment, which is easily heated, can be provided with a higher heat shielding effect.

On the other hand, the cold insulation equipment according to the present invention is characterized by having a space partition structure provided in the above-mentioned freight transport vehicle.

According to such a configuration, in order to stabilize the indoor temperature of the cold insulation equipment, whether it is an independent building or a facility installed inside the building, heat intrusion from the outside of the cold insulation equipment room can be prevented with high efficiency. Can be done.

As described above, the freight transport vehicle according to the present invention has an excellent effect of preventing the intrusion of external heat into the freight chamber with high efficiency and maintaining the quality of the freight to be transported. Further, according to the cold insulation equipment according to the present invention, there is an excellent effect that the intrusion of external heat into the equipment room can be prevented with high efficiency and the quality of the stored luggage can be maintained. In addition, there are 7 layers of high-purity aluminum foil sandwiched between 3 solid ethylene sheets and 2 bubble polyethylene sheets alternately, and each sheet is plasma-welded between the sheets, both inside and outside. Since there is no interface between hot and cold heat and there is no temperature difference, it has the excellent effect of preventing dew condensation and preventing the growth of mold and the growth of bacteria.

It is a schematic diagram of the space partition structure of the freight transport vehicle or the cold insulation equipment which concerns on the 1st Embodiment which concerns on this invention. It is a schematic diagram of the space partition structure of the freight transport vehicle or the cold insulation equipment which concerns on the 2nd Embodiment which concerns on this invention. It is a schematic diagram of the space partition structure of the freight transport vehicle or the cold insulation equipment which concerns on the 3rd Embodiment which concerns on this invention. It is a schematic diagram of the space partition structure of the freight transport vehicle or the cold insulation equipment which concerns on the 4th Embodiment which concerns on this invention. It is a schematic diagram of the space partition structure of the freight transport vehicle or the cold insulation equipment which concerns on the 5th Embodiment which concerns on this invention. It is a schematic diagram of the variation of the space partition structure of the freight transport vehicle or the cold insulation equipment which concerns on the 3rd Embodiment which concerns on this invention.

Since the present invention has the above-described configuration, an embodiment of the present invention will be described with reference to the drawings.

The drawing shows an embodiment of a space partition structure of a freight transport vehicle or a cold insulation facility according to the present invention.
In the first embodiment shown in FIG. 1, in the space partition structure of the freight transport vehicle or the cold insulation equipment, three polyethylene sheets and two bubble polyethylene sheets are alternately arranged on the exterior material 10 and the high-purity aluminum foil on both sides. The static air layer 12 is configured to be provided between the heat shield means 11 made of a sheet material having plasma welded sheets between the seven layers sandwiched between the sheets.

With this configuration, the static air layer 12 insulates heat conduction from the outside, but it is difficult to store heat, and the heat shield means 11 shields radiant heat from external electromagnetic waves. The temperature inside the cold storage facility is less susceptible to the influence of outside air.

In the second embodiment shown in FIG. 2, in the space partition structure of the freight transport vehicle or the cold insulation equipment, three polyethylene sheets and two bubble polyethylene sheets are alternately arranged on the exterior material 10 and the high-purity aluminum foil on both sides. A static air layer 12 is provided between the heat shield means 11 made of a sheet material having seven layers sandwiched between the sheets and plasma welded between the sheets, and an interior material 13 is provided on the indoor side of the heat shield means 11. It is configured as follows.

With such a configuration, the heat insulating effect of heat conduction and the heat shielding effect of radiant heat can be obtained, and the effect of protecting the inner wall of the freight transport vehicle or the cold insulation equipment from collision with luggage or people is improved. ing.

In the third embodiment shown in FIG. 3, in the space partition structure of the freight transport vehicle or the cold insulation equipment, three polyethylene sheets and two bubble polyethylene sheets are alternately arranged on the exterior material 10 and the high-purity aluminum foil on both sides. A static air layer 12 is provided between the heat shield means 11 made of a sheet material having seven layers sandwiched between the sheets and plasma welded between the sheets, and an interior material 13 is provided on the indoor side of the heat shield means 11. The static air layer 12 is provided between the heat shield means 11 and the interior material 13.

With this configuration, heat conduction from the outside is first insulated by the static air layer 12, radiant heat from the outside is shielded by the heat shield means 11, and heat conduction is again insulated by the static air layer 12. Therefore, the effect of preventing the intrusion of heat from the outside is further improved, and dew condensation is less likely to occur.

In the fourth embodiment shown in FIG. 4, in the space partition structure of the freight transport vehicle or the cold insulation equipment, the ceiling portion and the side wall portion are the exterior material 10 and the high-purity aluminum foil on both sides, and three polyethylene sheets and two sheets. A static air layer 12 is provided by a spacer 23 between the heat insulating means 11 made of a sheet material having seven layers alternately sandwiched between the bubble polyethylene sheets and plasma welded sheets, and the floor portion is formed. An interior material 13 is provided inside the refrigerator in contact with the exterior material 10, a snoko 20 having a static air layer 22 is arranged on the interior material, and three polyethylene sheets and two are placed on the high-purity aluminum foil on both sides on the snoko. The heat shield means 21 is composed of seven layers alternately sandwiched between the bubble polyethylene sheets and is made of a plasma-welded sheet material between the sheets.

With this configuration, heat conduction from the outside is insulated from the bottom of the freight transport vehicle or cold insulation equipment, and radiant heat from the outside is shielded, so that heat from the outside can enter, especially in the freight transport vehicle. The effect of prevention is further increased.

In the fourth embodiment, as shown in FIG. 5, the effect of preventing dew condensation can be enhanced by adhering the interior material 13 of the edge portion and the side wall portion of the heat shield means 21 so as to be in close contact with the waterproof tape 24. can.

Further, it is desirable to perform scratch protection treatment by laying a protective sheet or the like on the heat shield means 21 shown in FIGS. 4 and 5.

It is needless to say that the present invention is not limited to the structure described in the above-described embodiment, and the configuration of each part and the like can be appropriately changed.
For example, as shown in FIG. 6, the exterior material 10, the static air layer 12, the heat shield means 11, the static air layer 12, the heat shield means 11, the static air layer 12, and the interior material 13 are provided from the outside of the refrigerator. By doing so, it is possible to cope with applications that require a high cooling effect, such as when the temperature inside the refrigerator must be maintained at 20 degrees or higher below the freezing point.

10 Exterior material 11 Heat shield means 12 Static air layer 13 Interior material 20 Drainboard 21 Heat shield means 22 Static air layer 23 Spacer 24 Waterproof tape

Claims (4)

The exterior parts located at the top, side and bottom of the outside of the cargo compartment,
A heat shield means consisting of 7 layers in which 3 polyethylene sheets and 2 bubble polyethylene sheets are alternately sandwiched between high-purity aluminum foils on both sides, and the sheets are plasma-welded between the sheets.
A static air layer provided between the exterior portion and the heat shield means,
Equipped with a cargo compartment space compartment structure,
A slatted member is placed on the bottom of the outside of the cargo compartment.
The slatted board member includes a static air layer and has a static air layer.
A heat shield means consisting of seven layers in which three polyethylene sheets and two bubble polyethylene sheets are alternately sandwiched between high-purity aluminum foils on both sides on the upper part of the snow member, and the sheets are plasma-welded between the sheets. A freight transport vehicle characterized by having a space partition structure of a freight chamber provided . The exterior parts located at the top, side and bottom of the outside of the cargo compartment,
The interior part located on the indoor side of the exterior part and the interior part
It consists of 7 layers in which 3 polyethylene sheets and 2 bubble polyethylene sheets are alternately sandwiched between high-purity aluminum foils on both sides, and each sheet is a heat-shielding means made of plasma-welded sheet material.
A static air layer is provided between the exterior portion and the heat shield means, and a static air layer is provided.
A cargo compartment space partition structure having a heat conduction suppressing layer made of a resin member having a hollow structure between the heat shield means and the interior portion is provided.
A slatted member is placed on the bottom of the outside of the cargo compartment.
The slatted board member includes a static air layer and has a static air layer.
A heat shield means consisting of seven layers in which three polyethylene sheets and two bubble polyethylene sheets are alternately sandwiched between high-purity aluminum foils on both sides on the upper part of the snow member, and the sheets are plasma-welded between the sheets. A freight transport vehicle characterized by having a space partition structure of a freight chamber provided . The exterior parts located at the top, side and bottom of the outside of the cargo compartment,
The interior part located on the indoor side of the exterior part and the interior part
It consists of 7 layers in which 3 polyethylene sheets and 2 bubble polyethylene sheets are alternately sandwiched between high-purity aluminum foils on both sides, and each sheet is a heat-shielding means made of plasma-welded sheet material.
A static air layer is provided between the exterior portion and the heat shield means, and a static air layer is provided.
A cargo compartment space partition structure in which a static air layer is provided between the heat shield means and the interior portion is provided.
A slatted member is placed on the bottom of the outside of the cargo compartment.
The slatted board member includes a static air layer and has a static air layer.
A heat shield means consisting of seven layers in which three polyethylene sheets and two bubble polyethylene sheets are alternately sandwiched between high-purity aluminum foils on both sides on the upper part of the snow member, and the sheets are plasma-welded between the sheets. A freight transport vehicle characterized by having a space partition structure for a freight chamber provided . A cold insulation facility comprising the space partition structure according to any one of claims 1 to 3.

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