JP3299704B2 - Refrigeration 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 refrigerating apparatus such as an ice making apparatus, and more particularly, to a refrigerating apparatus having a machine room on the front side in a main body.

[0002]

2. Description of the Related Art As a refrigerating apparatus having a machine room on the front side in a main body, there is an ice making apparatus as shown in FIG. This ice making device has a main body 1 formed in a box shape.
Has an ice making chamber 2 formed therein. The ice making room 2 is formed of a heat insulating material 3, and a water sprinkler 4 is provided inside the ice making room 2. The sprinkler 4 is disposed above the evaporator 5, and the ice making water sprinkled from the sprinkler 4 flows down the surface of the evaporator 5 and is stored in an ice making water tank 6 provided below the evaporator 5. It is supposed to be.

The ice making water tank 6 is formed in a tray shape, and the ice making water stored in the ice making water tank 6 is sucked by the circulation pump 7 and supplied to the sprinkler 4 to be separated from the surface of the evaporator 5. The ice is guided to the front side of the ice making water tank 6 by an ice guide plate 8 provided between the ice making water tank 6 and the evaporator 5, and is stored in the ice making room 2.

On the other hand, a machine room 9 is formed in front of the ice making room 2. A plate-shaped unit base 10 is provided in the machine room 9 so as to be able to be pulled out, and a refrigeration unit such as a condenser 11 is installed on the upper surface of the unit base 10.

[0005]

In such a refrigeration system, the refrigeration unit installed on the upper surface of the unit base 10 can be pulled out of the main body 1 integrally with the unit base 10, so that the maintenance and inspection of the refrigeration unit is easy. It has the advantage that it can be carried out. However,
When a water-cooled condenser is used as the condenser, a water pipe is connected to the condenser from outside the machine room, so if a water-cooled condenser is mounted on the unit base like an air-cooled condenser This makes it difficult to pull out the unit base from the machine room. For this reason, when the refrigeration unit on the unit base is pulled out of the machine room, it is necessary to disconnect the condenser and the water pipe, so that there is a problem that the maintenance and inspection of the refrigeration unit is troublesome.

The present invention has been made in view of the above points, and even when a water-cooled condenser is used as a means for condensing refrigerant compressed by a compressor, the unit base is moved from the inside of the machine room to the front side of the main body. Another object of the present invention is to provide a refrigeration apparatus which can be easily drawn out.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a main body having a machine room opened on the front side, and a unit base provided so as to be able to be pulled out into the machine room of the main body. A water-cooled condenser installed on the upper surface of the unit base, a water supply pipe having one end connected to a cooling water supply port of the water-cooled condenser, and one end connected to a cooling water discharge port of the water-cooled condenser. it and a connected drainage pipe, wherein the other end of the water supply pipe and the water pipe, by inserting a notch external pipe provided outside formed on the bottom surface of the machine room of the main body Pipe connection fittings to connect
Are respectively provided, and the pipe connection joint is provided with the unit base.
By the holding member attached to the lower surface of the machine room,
Said fixed and held so as to be positioned on the bottom surface, further, the notch is characterized by being open toward the drawing direction of the unit base. The invention of claim 2 is
The cutout portion opens toward the front side of the main body, and a small animal intrusion prevention member is provided between a front surface of the unit base and the holding member.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view of a refrigeration apparatus according to one embodiment of the present invention, and FIG. 2 is a front view thereof. FIG.
As shown in FIG. 2 and FIG. 2, the refrigeration apparatus according to the embodiment of the present invention includes a main body 21 formed in a box shape, and a plurality of support legs 22 for supporting the main body 21 from below. An ice making chamber 23 is formed inside the main body 21. The ice making chamber 23 is formed of a heat insulating material 24,
3 is provided with a sprinkler 25. The sprinkler 25 is disposed above the evaporator 26 and the sprinkler 25
The ice making water sprinkled from below flows down the surface of the evaporator 26 and is stored in an ice making water tank 27 provided below the evaporator 26. The water for making ice is supplied from a water supply valve (not shown) provided on the back side of the main body 21.

The ice making water tank 27 is formed in a tray shape. The ice making water stored in the ice making water tank 27 is sucked into a circulation pump 28, and the ice making water discharged from the circulation pump 28 passes through a water pipe 29. The water is supplied to the sprinkler 25. An ice guide plate 30 is provided between the ice making water tank 27 and the evaporator 26, and ice separated from the surface of the evaporator 26 is guided to the front side of the ice making water tank 27 by the ice guide plate 30. The ice is stored in the ice making chamber 23.

On the other hand, a lower machine room 31 is formed at the lower front side of the ice making room 23. The lower machine room 31 is open toward the front, and a plate-shaped unit base 32 is provided therein. The unit base 32 can be drawn out of the lower machine room 31 to the outside of the main body 1 (in this case, the front side of the main body 1), and a compressor 33 and a water-cooled condenser 3 are provided on the upper surface of the unit base 32.
4 are installed. The water-cooled condenser 34 has a cooling water supply port 34a and a cooling water discharge port 34b (see FIG. 2). The cooling water supply port 34a and the cooling water discharge port 34b have a water supply pipe 35 and a drain pipe. One end of 36 is connected. An automatic water supply valve 37 for adjusting the flow rate of the cooling water is inserted in the middle of the water supply pipe 35.

FIG. 3 is a sectional view taken along line AA of FIG. 2, and FIGS. 4 and 5 are sectional views taken along line BB and CC of FIG. As shown in FIG. 3 to FIG.
At the other end of the drain pipe 5 and the drain pipe 36, socket joints 38 and 39 as pipe connection joints are provided. These socket joints 38, 39 are open toward the bottom surface 31 a of the lower machine room 31. Flexible pipes 40, 41 as external piping provided outside the main body 1 are provided on the bottom surface 31 a of the lower machine room 31. Is formed in the lower machine chamber 31 for introducing the gas. The notch 42 opens in the direction in which the unit base 32 is pulled out (the front side of the main body 1), so that the socket joint 38,
A refrigeration unit such as a water-cooled condenser 34 mounted on the unit base 32 can be drawn out of the main body 1 without disconnecting the flexible pipes 40 and 41 from 39.

As shown in FIGS. 4 and 5, a holding member 43 for fixing and holding socket joints 38 and 39 provided at the other ends of the water supply pipe 35 and the drain pipe 36 is attached to the lower surface of the unit base 32. ing. The holding member 43 has a box shape with an open top, and a small animal between the holding member 43 and the front wall 32a of the unit base 32 is designed to prevent small animals such as mice from entering the lower machine room 31. An intrusion prevention member 44 (see FIGS. 3 and 6) is provided.

FIG. 7 is a sectional view taken along the line EE in FIG. 2, and as shown in FIG.
A pair of stopper members 45, 45 for restricting the rear movement of the unit base 32 are fixedly provided at intervals in the width direction of the main body 21, and the sliding direction of the unit base 32 is A pair of sliding direction regulating members 46, 46 for regulating in the front-back direction are fixedly provided at intervals in the width direction of the main body 21.

FIG. 8 is a view showing a refrigeration circuit of the ice making apparatus shown in FIG. 1. In the ice making operation, the refrigerant compressed by the compressor 33 is supplied to the evaporator 2 via the water-cooled condenser 34 and the expansion valve 47.
6 is supplied to the evaporator 26 via the hot gas valve 48 and the hot gas supply pipe 49 during the deicing operation.

An upper machine room 50 is formed at the rear upper portion of the ice making room 23, and a motor portion 28a of the circulation pump 28 is accommodated in the upper machine room 50. Further, an ice outlet 51 is formed at the upper front side of the ice making chamber 23, and the ice outlet 51 is openably and closably closed by an opening / closing lid 52 rotatably provided in the main body 21. Further, a refrigerant pipe 53 that can expand and contract in the front-rear direction is provided on the rear side of the unit base 32, and the refrigerant pipe 53 is located inside the stopper members 45, 45.

As described above, in one embodiment of the present invention, the notch 4 formed on the bottom surface 31a of the lower machine room 31 is provided.
2 is open toward the direction in which the unit base 32 is pulled out (the front side of the main body 1), so that the socket joints 38,
The unit base 32 can be pulled out of the lower machine room 31 without disconnecting the flexible pipes 40 and 41 from the unit 39. Therefore, the unit base 32 on which the refrigeration unit such as the water-cooled condenser 34 is mounted can be easily pulled out from the lower machine room 31, whereby the refrigeration unit such as the water-cooled condenser 34 mounted on the unit base 32 can be drawn. Can be easily maintained and inspected. Further, in one embodiment of the present invention, since the small animal intrusion prevention member 44 is provided between the front surface 32 of the unit base 32 and the holding member 43, small animals such as rats can be kept on the bottom surface 31a of the lower machine room 31. From the notch 42 formed in the unit base 3
2 can be prevented from entering the gap between the lower machine room 31 and the bottom surface 31a.

In the above-described embodiment, the case where the present invention is applied to an ice making device has been described. However, the present invention is not limited to this, and can be applied to, for example, a refrigerator.

[0018]

As described above, according to the first aspect of the present invention, even when a water-cooled condenser is used as a means for condensing the refrigerant compressed by the compressor, the unit base can be moved from the inside of the machine room. It can be easily pulled out to the front side of the main body. According to the third aspect of the invention, in addition to the above effects, small animals such as mice can be prevented from entering the lower machine room from the cutouts formed on the bottom surface of the lower machine room.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a refrigeration apparatus according to one embodiment of the present invention.

FIG. 2 is a front view of the refrigeration apparatus according to the embodiment.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view taken along the line BB in FIG. 3;

5 is a sectional view taken along the line CC of FIG. 3;

FIG. 6 is a sectional view taken along the line DD in FIG. 3;

FIG. 7 is a sectional view taken along line EE of FIG. 2;

FIG. 8 is a diagram showing a refrigeration circuit of the refrigeration apparatus according to one embodiment of the present invention.

FIG. 9 is a longitudinal sectional view of a conventional refrigeration apparatus.

[Explanation of symbols]

21 ... Main body, 23 ... Ice making room, 24 ... Insulation material, 25 ... Sprayer, 26 ... Evaporator, 27 ... Ice making water tank, 28 ... Circulation pump, 31 ... Lower machine room, 32 ... Unit base, 33
... Compressor, 34 ... Water-cooled condenser, 34a ... Cooling water supply port, 34b ... Cooling water outlet, 35 ... Water pipe, 36 ... Drain pipe, 38,39 ... Socket joint, 40,41 ... Flexible pipe, 42 ... Notch, 43... Holding member, 44.

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-6-66470 (JP, A) JP-A-7-294096 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) F25C 1/00 F25B 39/04 F25D 19/00 F25D 19/02

Claims (2)

(57) [Claims] 1. A main body having a machine room opened on the front side, a unit base provided so as to be able to be pulled out into the machine room of the main body, a water-cooled condenser installed on an upper surface of the unit base, A water supply pipe having one end connected to a cooling water supply port of the condenser, and a drain pipe having one end connected to a cooling water discharge port of the water-cooled condenser. At the other end, the pipe connecting joint, each set for the external pipe provided to connect by inserting a notch portion formed on the bottom of the machine room to the outside of the body
The pipe connection joint is attached to the lower surface of the unit base.
The holding member is positioned on the bottom surface of the machine room.
Fixed is held so as to further the cutout, refrigeration system, characterized in that open toward the drawing direction of the unit base. 2. A small animal intrusion prevention member is provided between the front surface of the unit base and the holding member, the notch opening toward the front side of the main body. The refrigeration apparatus according to 1.