JP3140689U - Car load cooling system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system that can be installed on a carrier bed of an ordinary wagon car and can maintain a temperature of 30 ° C. or less for about 3 hours without using any compressor or other machinery and without having to replace the cold insulation material. To do.
SOLUTION: A system comprising a cold insulation board laid on the floor of a luggage room of a wagon car and a cold insulation sheet which is placed over the entire product after being placed on the board. In order to prevent radiant heat coming from the road surface through the floor of the wagon car, the cold insulation board laid on the floor has a foamed plastic insulation board in contact with the floor, and a cold insulation bag containing a latent heat storage agent is placed on it. Cover the surface with an iron plate and integrate it so that the product can be placed on it. The melting temperature of the heat storage agent is set to approximately 30 ° C. After placing the products on the cold insulation board, the cold insulation sheet is covered over the entire product, and a bag containing a heat storage agent is attached to the cold insulation sheet in some places.
[Selection] Figure 1

Description

  It relates to a cold insulation system that prevents products from overheating when they are transported by car in the summer, etc., that must not be exposed to high temperatures.

  There is a cold car to carry goods while keeping the product at a low temperature. Or as a simple thing, there existed the cold box using the heat insulating material used with a cold insulating agent.

  When transporting a large quantity of goods to a remote location with a constant temperature, of course, something like a cold car is indispensable, but when delivering a small quantity of goods to a short distance, the cold car has a small turn. It is unprofitable and warped and complicated.

  The cool box is compact and convenient, but if the cool box is used, the cool material to be put in it must be prepared so that it can be used at any time.

  For ordinary products, it is desirable to avoid exposure to high temperatures, but there are many cases where there is no problem if the temperature is about 30 ° C. or less, which is about room temperature. However, in an ordinary vehicle, if the engine is stopped while the vehicle is stopped, the temperature inside the vehicle easily rises to 50 to 60 ° C. in the summer, causing a problem.

  A system that can be installed on the platform of an ordinary wagon car and kept at a temperature of 30 ° C. or lower for about 3 hours, does not use any machinery such as a compressor, and does not require replacement of the cold insulation material.

  This invention is made | formed in view of said problem, and is a system which prevents the overheating of goods by combining the heat storage agent and heat insulator which utilize the latent heat accompanying the phase change between a solid phase and a liquid phase.

  The overall configuration is composed of a cold insulation board laid on the floor of the luggage room of the wagon car and a cold insulation sheet that is placed over the entire board after the products are arranged on the board. In order to prevent radiant heat coming from the road surface through the floor of the wagon, the cold insulation board laid on the floor has a foam plastic plate with aluminum foil pasted on the floor, and a cold insulation bag containing a latent heat storage agent on it. Arrange and cover the surface with an iron plate so that the product can be placed on it. The melting temperature of the heat storage agent is set to approximately 30 ° C.

  After placing the products on the cold insulation board, the entire product is covered with a cold insulation sheet, but a bag containing a heat storage agent is attached to the cold insulation sheet in some places.

  Since the set temperature of the heat storage agent is 30 ° C, when the car is stopped and the engine is stopped in the summer, the heat storage agent absorbs heat when the temperature inside the vehicle starts to exceed 30 ° C due to high temperature outside the vehicle, solar radiation, or radiant heat. The temperature rise of the articles wrapped around the cold insulation board and the cold insulation sheet containing the heat storage agent can be prevented from starting to melt. After that, when the car starts, the temperature inside the vehicle during normal operation is 30 ° C. or less, so if the heat storage agent is melted, it solidifies while dissipating heat. Therefore, overheating can be prevented without using a mechanically moving cooler or the like.

  The cold insulation board is designed according to the size of the wagon car bed. The width is about 110cm, the length is about 160cm, and the thickness is about 3.5cm. The content is about 2cm thick foamed plastic insulation board with aluminum deposited on the bottom. Place a cold bag with a thickness of about 1 cm in a plastic bag containing about 600 g of a heat storage agent having a phase transition temperature of 1 mm, and put an anticorrosion iron plate on it to improve weight distribution and lateral heat conduction. For this purpose, the heat insulating plate and the iron plate are bonded to integrate the whole. After the products are stacked on the cold insulation board, the whole is covered with a cold insulation sheet.

  The cold insulation system of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing the middle part of the cold insulation board, and the iron plate to be put on the upper part is not shown. The overall size is 110 cm wide, 40 cm long, and 3.5 cm high, which are used in combination.

  The cross-sectional structure of the cold insulation board is shown in FIG. A cold insulation bag 2 in which a latent heat storage agent is placed is placed on a heat insulating plate 1 made of foamed polystyrene having a thickness of 2 cm and vapor-deposited on the back surface. In order to improve the fit of the cold insulation bag, the periphery and a part of the central portion of the heat insulating plate are raised by about 1 cm so as to be substantially the same as the height of the cold insulation bag 3 and the cold insulation bag is fitted into the recess. Further, the whole is covered with a corrosion-proof iron plate 4, and the iron plate and the heat insulating plate are bonded and integrated. This is to increase load bearing and lateral heat transfer. In some cases, the surface is further coated with a resin. As shown in the drawing, if the groove 5 having a depth of about 5 mm is formed on the bottom of the heat insulating plate 1 so as not to be in close contact with the car carrier and aluminum is deposited, the heat insulating effect is further increased.

  After the products are stacked on the cold insulation board, the whole is covered with a sufficiently large cold insulation sheet (not shown). The cold insulation sheet is a foamed polyethylene sheet with a thickness of about 5 mm. The surface is coated with aluminum to block out radiant heat, and on the back side is a cold insulation bag containing the same latent heat storage agent used for the cold insulation board. Attach approximately 10 to the top.

The latent heat storage agent used here is composed mainly of sodium sulfate decahydrate. Calculate the amount sufficient to function when the vehicle stops for 3 hours under normal conditions and set it on the cold insulation board and cold insulation sheet. It is.

  As described above, if the vehicle-mounted cold insulation system of the present invention is used, the product can be overheated simply by placing the product on the cold insulation board and placing the cold insulation sheet on it during the normal delivery operation in summer. Can be prevented. It is easy because there is no need for a cooler, cold box, or animal cooling material. Even in summer, the normal temperature falls below 30 ° C. at night, so the latent heat storage material releases heat and becomes a solid phase during the night stop.

  The perspective view which shows the inside of the cold insulation board of this invention   Cross-sectional view of the cold insulation board of the present invention

Explanation of symbols

1 insulation board,
2 Cold bag with latent heat storage agent,
3 The part where the heat insulation board is raised about 1cm,
4 Anti-corrosion iron plate,
5 groove

Claims (3)

  A cold insulation system consisting of a cold insulation board and a cold insulation sheet placed on the floor for loading on the wagon car's cargo bed. The cold insulation board has a width of about 110 cm, a length of about 160 cm, and a thickness of about 3.5 cm. The structure of the cold insulation board consists of a thermal insulation bag made of foamed plastic from the bottom with a thickness of about 2cm, and a heat insulation bag containing about 600g of latent heat storage agent that causes a solid / liquid phase transition at about 30 ° C. Lay it about 1 cm in length, and surround it with a heat insulating material about 1 cm thick and about 3 cm wide so that its periphery is the same height as the cold bag. A steel plate having a thickness of about 0.4 mm, which has been subjected to anticorrosion processing, is put on it, and the periphery is bonded and integrated. If necessary, the surface is coated. After the products are stacked on a cold insulation board, the cold insulation sheet that can cover the whole is a foamed polyethylene sheet with a thickness of about 5 mm. The surface is coated with aluminum to block radiant heat, and the back side is kept cold. A vehicle-mounted cold insulation system that uses a combination of a cold insulation board and a cold insulation sheet, which is equipped with approximately 10 cold insulation bags containing latent heat storage agents similar to those used on the board.   Use a combination of parts that are not integrated into a single cold insulation board but are divided into several parts. For example, use a combination of four pieces of about 110 cm wide, about 40 cm long, and about 3.5 cm thick. The vehicle-mounted cold insulation system according to claim 1.   The vehicle-mounted cold insulation system according to claim 1 or 2, wherein the latent heat storage agent is composed mainly of sodium sulfate decahydrate.

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