JP3046764B2 - How to install cool box and its cooling equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator for storing fresh foods, medicines and the like which need to be kept cool and transported by a truck or other transport vehicle.

[0002]

2. Description of the Related Art Conventionally, when delivering goods such as fresh foods that need to be kept cool, goods from a client are once collected at a collection place, mounted on a transport vehicle from the collection place, and cooled while receiving the goods. A distribution system has been established to deliver the goods to a transportation vehicle. When the goods are to be mounted on a transportation vehicle, they are stored in a refrigerator beforehand, and the refrigerator is loaded on the transportation vehicle.

[0003] As a cooling structure of such a cool box, for example, a structure disclosed in Japanese Patent Application Laid-Open No. 5-296662 is known.

[0004] In this cool box, an evaporator and a cold storage agent are installed inside the cool box body, and a machine room in which a compressor, a condenser, a fan unit for the condenser and the like are installed on the ceiling of the cool box body. Provided. The condenser fan unit is driven to forcibly air-cool the condenser with outside air, and cools the regenerator by the heat of vaporization of the evaporator to keep the inside of the cold storage main body cool.

[0005]

Conventionally, when the condenser and the compressor are installed in the machine room, the condenser is lifted and placed on the windward side of the machine room (above the ceiling on the front side of the cool box main body). Then, lift the compressor and place it on the lee side of the condenser. The equipment is then screwed to the ceiling, after which the condenser and compressor are connected together by welding refrigerant pipes. Thereby, the installation work of the condenser and the compressor is completed.

However, in the welding operation of the refrigerant pipe, the components constituting the refrigeration circuit hinder the welding, and it is easy to cause problems such as difficulty in welding, and heating other than the welding location to cause thermal deformation.

When the front ceiling of the cool box body is designed to be higher than the rear ceiling in order to increase the size of the entrance for articles on the front side of the cool box body, the condenser is arranged at this high position. On the other hand, a compressor is installed at a lower position. As described above, since the height positions of the condenser and the compressor are different from each other, if the refrigeration circuit components are to be mounted on one unit base as in the related art, the shape of the unit base becomes complicated, and the weight also increases. Bulky and even expensive.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, an object of the present invention is to integrally connect a condenser and a unit base on which a compressor and the like are installed with a connection frame, thereby providing a cold storage box which is very simple to install. An object of the present invention is to provide a method for installing a cooling device.

[0009]

According to the present invention, in order to solve the above-mentioned problems, an invention according to claim 1 is characterized in that a front ceiling of a cool box body is formed to be high and a rear ceiling is formed to be low. The unit is equipped with a condenser, which is a component of cooling equipment, and a unit base on which a compressor, which is also a component of cooling equipment, is mounted on the rear ceiling. In a cool box to which a pipe is connected by welding, a structure having a connection frame in which the condenser and the unit base are integrally connected is provided. According to a second aspect of the present invention, in the method for installing a cooling device of a cool box according to the first aspect, the condenser and the unit base are integrally connected by a connecting frame corresponding to the installation height of the ceiling, The condenser and the compressor are connected by welding a refrigerant pipe, and thereafter, the integrated condenser and the unit base are placed on the ceiling and fixed.

According to these inventions, the refrigerant pipe can be welded before the condenser and the compressor are placed on the ceiling and the condenser and the compressor can be connected, so that the welding operation is simplified.

[0011]

1 to 3 show an embodiment of a cool box according to the present invention. FIG. 1 is a sectional view of the cool box.
FIG. 2 is a plan view of a machine room, and FIG. 3 is a cross-sectional view showing an installed state of a condenser and a unit base.

First, the overall structure of the cool box 1 will be described. The cool box 1 is movable and has a vertically long box-shaped cool box main body 2 and is formed of a heat insulating material so that articles stored in the cool box main body 2 are not affected by the outside air temperature. . A machine room 3 is installed on the ceiling wall 2a of the cool box body 2. A compressor 4, a condenser 5, and a fan unit 6 for the condenser are installed in the machine room 3, while the cool box body 2 is provided. An evaporator 8 provided with a regenerator 7 at the bottom of
An evaporator fan 9 is provided, and these devices 4 to 9 constitute a cooling device.

When cooling the interior of the cool box main body 2 by the cooling device, the devices 4 to 8 except the evaporator fan 9 are operated, and the outside air is exhausted as shown by the two-dot chain line arrow in FIG.
The air is sucked from the air suction panel 3a and passed through the condenser 5 to perform heat exchange, while the evaporator 8 exchanges heat with the cold storage agent 7 to store cold heat in the cold storage agent 7. When the cold storage is completed, only the evaporator fan 9 is operated, and the cold storage agent 7 is operated.
As shown by the dashed line arrow in FIG.
The inside air is circulated through the inside of the cool box main body 2 through the duct 10 inside, and the inside of the cool box main body 2 is cooled to a predetermined temperature by a temperature sensor or the like (not shown). When the cold storage in the cold storage main body 2 is completed, the front door 11 is opened and the cold storage main body 2 is opened.
In the interior, fresh foods and other articles are stored.
Is loaded and delivered to the transport vehicle.

In the cool box 1 as described above, the front side of the ceiling wall 2a of the cool box body 2 is formed high and the rear side thereof is formed low in order to facilitate the work of storing and taking out the articles to be delivered to the cool box body 2. The condenser 5 is installed on the high ceiling wall 2a, and the compressor 4 and the receiver 1 are mounted on the low ceiling wall 2a.
2. A unit base 14 on which an electrical box 13 is mounted is installed. A connecting frame 15 is bridged on both sides of the mounting flange 5a on both sides of the condenser 5 and the unit base 14, and the connecting frame 15 and the mounting flange 5a and the unit base 14 are fastened by bolts 16 to form a condenser. 5 and the unit base 14 are integrally connected. As shown in FIG. 2, a condenser fan unit 6 and a battery 17 are provided behind the ceiling wall 2a.

Next, a method of installing the condenser 5 and the unit base 14 on the ceiling wall 2a will be described.

The condenser 5 and the unit base 14 are connected to the ceiling wall 2a.
Before mounting on the compressor, first, the compressor 4, the receiver 12, and the electrical component box 13 are fastened to predetermined positions on the unit base 14 with bolts or the like. Next, the unit base 14 on which the condenser 5 and various devices are mounted is set so as to have an interval and a height position corresponding to the installation location of the ceiling wall 2a. The setting of the height position of the condenser 5 may be performed by placing the condenser 5 on a jig or the like. Then, the connecting frame 15
Is connected to the mounting flange 5a of the condenser 5 and the unit base 14, so that the connecting frame 15, the condenser 5 and the unit base 14
Are fastened with bolts 16. Thereby, the connection frame 1
The condenser 5 and the unit base 14 are integrated via the unit 5. When this integration work is completed, the various refrigerant pipes 18 bent in the horizontal and vertical directions are welded (welded portions are indicated by reference numeral A in FIGS. 2 and 3), and the compressor 4 and the condenser 5 are connected. The piping is connected, and the condenser 5 and the receiver 12 are connected by piping. After such a welding operation is completed, the integrated condenser 5 and the unit base 14 are placed on the installation location of the ceiling wall 2a, and are fastened to the ceiling wall 2a with bolts or the like.

As described above, according to the present embodiment, the welding operation of the refrigerant pipe 18 is completed before the condenser 5 and the unit base 14 are placed on the ceiling wall 2a. Since the welding operation is not performed in the unstable place as described above, the installation operation including the welding operation is simplified.

[0018]

As described above, according to the present invention,
Since the refrigerant pipe is welded before placing the condenser and the unit base on the ceiling, the installation work including the welding work is simplified. In addition, since the condenser and the unit base on which the compressor and the like are mounted are connected and integrated by the connection frame, the shape of the unit base may be simple, light, and the cost is low.

[Brief description of the drawings]

FIG. 1 is a sectional view of a cool box according to the present invention.

FIG. 2 is a plan view of a machine room.

FIG. 3 is a sectional view showing an installation state of a condenser and a unit base.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Cold storage, 2 ... Cold storage main body, 2a ... Ceiling wall, 4 ... Compressor, 5 ... Condenser, 14 ... Unit stand, 15 ... Connection frame, 18 ... Refrigerant pipe.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-61825 (JP, A) JP-A-5-45039 (JP, A) JP-A-4-52484 (JP, A) 176079 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F25D 19/00 530 F25D 19/00 540 F25D 19/02

Claims (2)

(57) [Claims] 1. A refrigerator as a component of a cooling device is provided above the front ceiling, and a condenser is provided above the rear ceiling. Similarly, a unit base equipped with a compressor or the like, which is a component part of the cooling device, is installed, and in the cool box connected to the condenser and the compressor by welding refrigerant pipes to each other, the condenser and the unit base are connected to each other. A cool box characterized by having a connecting frame integrally connected. 2. The refrigerator has a front ceiling and a rear ceiling that are formed high and low, respectively. A condenser, which is a component of cooling equipment, is provided on the front ceiling, and on the rear ceiling. Similarly, in a method for installing a cooling unit of a cool box that connects a unit mounted with a compressor, which is also a component of a cooling device, and connects the condenser and the compressor by welding refrigerant pipes to each other, The unit stand and the connection frame are integrally connected in accordance with the installation height of the ceiling, and then the condenser and the compressor are connected by welding a refrigerant pipe,
Thereafter, the integrated condenser and the unit base are placed on a ceiling and fixed, and a method for installing a cooling device in a cool box is provided.