JPH09273856A - Cooling storeroom - Google Patents

Abstract

PROBLEM TO BE SOLVED: To exhaust a warm exhaust air smoothly from a machine chamber. SOLUTION: A swollen section 8 constituting a cooling chamber therein and a housing space 11 are provided vertically on the side face of a main body. A receiving plate 13 having a condensing unit set thereon is supported by two support frames 14 suspended from the swollen section 8, and each support frame 14 is so provided as to be projected outward from the side face of the swollen section 8 with the aid of a bracket 50. A panel is mounted on the back and the side surfaces of the swollen section 8 and housing space 11, respectively, to form a machine chamber 12, and a communication space 64 is defined between a side panel 63 and the swollen section 8. A front panel 66 mounted on the front surface of the machine chamber 12 has air suction ports 69 provided to the entire surface on the lower side of the front panel 66 and exhaust ports 70 formed in a position locating at the upper part of the front panel 66 and corresponding to the communication space 64. Air sucked in through the air suction ports 69 cools the condensing unit, and, thereafter, the warm exhaust air passes through the communication path 64 while being turned to flow forward and is exhausted to the external side through the exhaust ports 70 of the front panel 66.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a cold store,
In particular, it relates to improvement of the structure of the part that discharges warm exhaust after cooling the condensing unit.

[0002]

2. Description of the Related Art Heretofore, a refrigerator has been proposed in which the entire unit can be pulled out from the front side of a housing in order to facilitate the assembly and maintenance of the cooling unit. As an example thereof, the one described in Japanese Patent Application Laid-Open No. 7-260319 filed by the present applicant is known. This will be briefly described with reference to FIG. A cooling chamber 102 is formed so as to overhang on one side surface of a main body 101 of the refrigerator, and a storage space 103 having a receiving plate 104 is provided on the lower surface side thereof. The cooling chamber 102 and the storage space 103 are provided. A machine room 105 is formed by stretching a panel from the side surface to the back surface of the machine room, and a door 106 is provided on the front surface of the machine room 105. In one cooling unit 107, a condenser 109, a compressor 110, etc. (condensing unit 111) are placed on a substrate 108 placed on a receiving plate 104, and the cooling chamber 102 of the cooling chamber 102 is placed on the upper surface of the condenser 109. A cooling chamber lid 113 that closes the inlet / outlet 112 is provided upright, and the cooler 11 is provided on the back side thereof.
4 is attached. When the cooling unit 107 is stored, the door 106 of the machine room 105 is opened, and the condenser unit 111 side is stored in the storage space 103, while the cooler 114 is inserted from the inlet / outlet 112 to the cooling chamber 10.
2 and the door 106 is closed after the door 112 is closed by the cooling chamber lid 113.

[0003]

By the way, during the cooling operation, it is necessary to cool the condensing unit 111, especially the condenser 109, because it becomes hot. Conventionally, condenser 1
By driving a condenser fan (not shown) provided on the back side of 09, the outside air is sucked into the storage space 103 from the intake port 115 provided in the door 106 of the machine room 105, and the condenser 109, etc. The warm exhaust gas after being cooled and subjected to heat exchange is discharged to the outside from exhaust ports provided in the side panel and the rear panel of the machine room 105.
However, such a refrigerator is often installed with the back or side of the refrigerator against a wall or other kitchen equipment, so the exhaust port is blocked and the warm exhaust cannot be discharged smoothly. There is a risk that the The present invention was completed in view of the above circumstances, and an object of the present invention is to allow the warm exhaust gas to be discharged smoothly and prevent the cooling capacity from decreasing.

[0004]

As a means for achieving the above-mentioned object, the invention of claim 1 has a cooling chamber for accommodating a cooler on a side of a main body for accommodating stored items, A storage space in which the condensing unit is stored is arranged vertically, and a machine room is formed by stretching panels from the side surface to the back surface of the cooling room and the storage space, and a front panel is provided in front of the machine room. In the provided cooling storage, the panel on the side surface side is stretched in a state where an air circulation space is provided between the panel on the side surface and the side surface of the cooling chamber, while an intake port for taking in outside air is provided on the lower side of the front panel. The structure is characterized in that an exhaust port for discharging warm exhaust is provided on the upper side. According to a second aspect of the present invention, in the first aspect of the present invention, a pair of front and rear support frames are provided between the side surface of the cooling chamber and the bottom plate of the storage space, and each of the support frames is the cooling chamber. It is attached to the side surface of the via a mounting portion that is provided in a laterally protruding shape,
The present invention is characterized in that the side surface side panel is stretched outside the support frame to form an air circulation space communicating with the storage space on the side of the cooling chamber.

[0005]

Function and Effect of the Invention

<Invention of Claim 1> During the cooling operation, outside air is sucked into the storage space from the intake port provided on the lower side of the front panel of the machine room to cool the condensing unit, and heat is exhausted after heat exchange. While being passed through the distribution space, it is turned forward and is discharged to the outside from an exhaust port provided in the upper portion of the front panel. Even when the exhaust port on the back surface or the side surface of the machine room is blocked, the warm exhaust gas can be discharged reliably and smoothly to the outside, and the cooling capacity can be prevented from decreasing. <Invention of Claim 2> The warm exhaust gas after heat exchange is exhausted from the exhaust port of the front panel through the distribution space between the mounting portions. Even in the type in which the support frame is provided between the side surface of the cooling chamber and the bottom plate of the storage space, the warm exhaust can be reliably discharged to the front side.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
This will be described with reference to FIG. 1 to 4, reference numeral 1 is a main body of a refrigerator, which is formed in a horizontally long box shape having an opening on a front surface, and a refrigerating chamber 2 for storing foodstuffs therein is configured (see FIG. 4). A double door-type door 3 is provided in the front opening, and is supported by legs 4 provided at four corners of the bottom surface.

A cooling unit 6 is removably housed on the left side when viewed from the front of the main body 1. Specifically, on the upper side of the left side portion of the main body 1, a rectangular parallelepiped bulging portion 8 is formed so as to project outward and to be retracted inward by a predetermined dimension from the front surface and the back surface of the main body 1. Is formed, and the inside is a cooling chamber 9. A heat insulating material 7 is filled in the inside of the bulging portion 8 and the wall surface forming the main body 1 to ensure heat insulating properties to the outside. An inlet / outlet 10 is formed on the front wall of the cooling chamber 9, and a storage space 11 is formed on the lower surface side of the cooling chamber 9. The storage space 11 and the cooling chamber 9 constitute a machine room as will be described later. 12 is formed, and the cooling unit 6 including the condenser 23, the compressor 20, the cooler (evaporator) 27, and the like is housed in a retractable manner.

On the bottom surface side of the storage space 11, a receiving plate 13 having a shallow dish shape is attached. More specifically, one side edge 13a of the receiving plate 13 is fixed to the lower edge of the side surface of the main body 1 with screws or the like. In addition, a pair of support frames 14 are attached so as to hang down via brackets 50 from both front and rear ends at the lower edge of the side surface of the bulging portion 8. The bracket 50 has a U-shaped cross section as shown in FIG. 5, and is a mounting piece 5 bent from both side plates to the outside at a right angle.
1 is formed. Each bracket 50 has a mounting piece 51.
It is fixed to the side surface of the bulging portion 8 by driving a rivet.

The support frame 14 is formed in a vertically long shape, and has small width flanges 53 bent at right angles on both side edges, and a predetermined size below the flange 53 is cut out. As shown in FIG. 3, each support frame 14 has its upper end fitted to the outside of the protruding portion of the bracket 50 and is fixed by rivets. Then, the other side edge 13b of the receiving plate 13 is applied to the inside of the lower end of the support frame 14 where the flange 53 is cut out, and is fixed by a screw or the like, whereby the receiving plate 13 is supported. . In other words, the support frame 14 that supports the other side edge 13b of the receiving plate 13 in a suspended manner.
Is attached at a position protruding to the left side (front side in FIG. 3) of the side surface of the bulging portion 8.

A cooling unit 6 is provided on the receiving plate 13 described above.
Substrate 15 can be placed. The substrate 15 is formed in a U-shape with both left and right edges bent, and is pushed into the receiving plate 13 from the front side, and is abutted on the front edge of the substrate 15 (right side in FIG. 3). The plate 17 is the receiving plate 1
The push-up is stopped by hitting the screw receiving piece 18 formed by rising up to the center of the front edge of No. 3, and the abutting plate 1
7 and the screw receiving piece 18 are fixed by screwing.

The cooling unit 6 is divided into a portion to be stored in the storage space 11 and a portion to be stored in the cooling chamber 9, and these are arranged vertically on the substrate 15 in a stacked manner. As a part to be stored in the storage space 11, a compressor 20 is provided on the back side, and a motor 22 is provided on the front side.
Fan 21 driven by the condenser, the condenser 2 at the front side
3 are arranged respectively. This corresponds to the condensing unit 24 of the present invention. Further, on the upper surface of the condenser 23, a cooling chamber lid 2 for closing the inlet / outlet 10 of the cooling chamber 9 described above.
5 is fixed via an L-shaped bracket 26. A cooler 27 that can be inserted into and removed from the cooling chamber 9 is attached to the back side of the cooling chamber lid 25 via a bracket 28. The cooler 27 is housed and provided in a casing 27a, and as shown in FIG. 4, the bottom surface of the casing 27a and the upper portion of the surface on the refrigerating chamber 2 side are open,
An air intake 29 and an air outlet 30 are provided, and an in-compartment fan 31 is attached to the front of the air outlet 30.

As shown in FIG. 3, the outlet of the compressor 20 and the inlet of the condenser 23 are connected by a pipe 33, and the condenser 23
And the inlet of the cooler 27 are connected by a pipe 34,
Further, the outlet of the cooler 27 and the inlet of the compressor 20 are connected to the pipe 3
They are connected at 5, which constitutes a cooling cycle. Among the above-mentioned pipes, the pipes 34 and 35 to be taken in and out of the cooler 27 are covered with a heat insulating material tube together on the way, and are drawn out laterally from the left edge portion of the cooling chamber lid 25. ing. Cooling chamber lid 25 for both pipes 34, 35
The portion pulled out from is fixed by a pressing tool 37 having a semicircular shape, while a recess 38 into which the pressing tool 37 is fitted is formed at the side edge of the inlet / outlet 10 of the cooling chamber 9.

A heat insulating packing 39 including the above-mentioned recess 38 is attached to the front wall of the cooling chamber 9 at the peripheral edge of the inlet / outlet 10. A pair of mounting bolts 41 project from both upper and lower edges of the front wall, while the cooling chamber lid 25 is provided with insertion holes 42 for the mounting bolts 41. Cooling chamber lid 25
An electrical box 43 is attached to the front side of the electronic component. Then, as described above, the cooling unit 6 connects the substrate 15 to the receiving plate 1.
3 and the cooler 27 is
0 and is inserted into the cooling chamber 9. During the pushing, the mounting bolt 41 is inserted through the insertion hole 42 of the cooling chamber lid 25 and is pushed to a predetermined position.
The cooling chamber lid 25 abuts against the front wall of the cooling chamber 9 via the heat insulating packing 39 while the cooling chamber lid 2
When a nut (not shown) is screwed onto the projecting end of the mounting bolt 41 penetrating the screw 5, the cooling chamber lid 25 is closed.
The doorway 10 is closed airtightly. Further, the substrate 15 is fixed to the receiving plate 13 in the same manner as described above, whereby the cooler 2
7 is housed in the cooling chamber 9, while the condensing unit 24 is housed in the housing space 11.

On the other hand, in the refrigerator, as shown in FIG. 4, a guide plate 45 for cool air is provided between the cooling chamber 9 and the refrigerating chamber 2. The guide plate 45 is provided so as to extend obliquely forward from a position below the internal fan 31 to a position slightly below the ceiling surface of the refrigerator compartment 2. A return plate 46 is provided from the lower surface of the guide plate 45 to a position slightly above the bottom surface of the refrigerating chamber 2. The return plate 46 and the refrigerating chamber 2 are provided.
A predetermined space is provided between the side wall 1a of the main body 1 that separates the storage space 11 from the storage space 11, and a return path 47 that reaches the intake 29 of the cooler 27 is formed therebetween. Therefore, when the cooling unit 6 is driven, as shown by the arrow in FIG. 4, the air in the refrigerating chamber 2 passes through the return path 47 and is sucked from the intake port 29 on the lower surface side of the cooler 27 to cool the air. After being converted, it is blown from the internal fan 31 through the upper surface of the guide plate 45 to the ceiling surface side of the refrigerating compartment 2, that is, cold air is circulated and supplied to the refrigerating compartment 2.

The housing portion of the cooling unit 6 is covered with a panel to form the machine room 12 described above, and a top plate 55 is stretched on the upper surface extending between the main body 1 and the machine room 12. The structure of this portion will be described with reference to FIGS. A quadrangular first reinforcing member 57 is attached to the stepped ceiling portion on the back side of the bulging portion 8 and extends from the left side surface of the first reinforcing member 57 to the left side surface of the upper end of the bulging portion 8. Is an elongated second reinforcing member 5
8 is attached. A ceiling plate fitting plate 59 is attached to the ceiling surface on the front side of the bulging portion 8 by screwing a part of the top plate fitting plate 59 onto the upper plate 61 of the main body 1 and the second reinforcing member 58. .

A side panel 63 is stretched so as to cover the sides of the bulging portion 8 and the storage space 11. The side panel 63 has a stepped shape such that the upper end thereof is retracted inward, so that a mounting portion 63a for the second reinforcing member 58 is formed. The side panel 63 is stretched so as to be applied to the outside of the support frame 14 from the second reinforcing member 58, and is fixed by screwing to a side plate of the receiving plate 13 and the support frame 14 at a predetermined position on the lower end side. As described above, the support frame 14 has the bulge 8
Since the side panel 63 is provided so as to project to the left of the side surface of the side panel 63, the side panel 63 is provided with a warm exhaust passage space 64 (see FIG. 6) between the side panel 63 and the side surface of the bulging portion 8 in detail. The distribution space 64 communicates with the storage space 11 below.

The inside of the distribution space 64 is covered with a panel (not shown) formed by bending the inner edge side of the side panel 63 at a right angle, and the rear panel 65 is provided behind the storage space 11. ing. As a result, a machine room 12 whose front surface is opened is formed. A front panel 66 is mounted on the front surface of the machine room 12 via a hinge 67 so as to be openable and closable. A plurality of outside air intake ports 69 are opened over the entire lower surface of the front panel 66, and the above-mentioned circulation space 64 on the upper side thereof.
An exhaust port 70 is formed in a portion corresponding to. An exhaust port 71 is also formed in the rear panel 65 and the side panel 63.

The top plate 55 includes the top plate 61 of the main body 1, the first and second reinforcing members 57 and 58, and the top plate fitting plate 5.
It is fitted over 9 and is fixed by screwing flanges 55a provided on the back edge and the left and right edges. For example, the left flange 55a is fixed by fastening the mounting portion 63a of the side panel 63 to the second reinforcing member 58 together with a screw.

This embodiment has the above-mentioned structure,
Subsequently, the operation will be described. Cooling unit 6 is machine room 1
When the cooling air is stored in the cooling chamber 2 and the cooling operation is performed, the cold air generated in the cooling chamber 9 is circulated and supplied into the cooling chamber 2 as described above. Further, during that time, the condenser fan 21 is driven, so that the outside air is sucked into the storage space 11 from the intake port 69 of the front panel 66 and cools the condenser 23 and the compressor 20 on the back side thereof. Here, the exhaust ports 71 on the back surface side and the side surface side of the machine room 12 may be blocked depending on the installation mode of the refrigerator. In that case, the bulging portion 8 and the side panel 6
3, the distribution space 64 is configured to communicate with the storage space 11, and the exhaust port 70 is formed at a position corresponding to the distribution space 64 in the front panel 66, so that the condenser 23 and the like are provided. After being cooled and heat-exchanged, the warm exhaust gas passes through the circulation space 64 while curving forward as shown by the arrow in FIG. 7, and passes through the exhaust port 70 on the upper side of the front panel 66 to the outside. Is discharged to.

As described above, according to this embodiment, the machine room 1
Even when the exhaust port 71 on the back surface or the side surface of 2 is closed, the warm exhaust gas can be reliably and smoothly discharged to the outside, and the cooling capacity can be prevented from decreasing.

<Other Embodiments> The present invention is not limited to the embodiments described above with reference to the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition, various changes can be made without departing from the scope of the invention. (1) The support frame for suspending the receiving plate and the bracket for mounting it may be integrally formed in advance. (2) Further, the present invention is not limited to the pull-out type cooling unit, and the same applies to a cooling storage unit of a type in which a cooler is fixedly provided in a cooling chamber provided on the side of the refrigerating chamber. Can be applied.

[Brief description of drawings]

FIG. 1 is a front view of a refrigerator according to an embodiment of the present invention.

FIG. 2 is a side view thereof.

FIG. 3 is a perspective view of a state before a cooling unit is housed.

FIG. 4 is a cross-sectional view showing an internal structure.

FIG. 5 is an exploded perspective view of a machine room portion.

FIG. 6 is a partially cutaway perspective view showing a flow of warm exhaust air.

FIG. 7 is an exploded perspective view of a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Main body 8 ... Swelling part 9 ... Cooling chamber 11 ... Storage space 12 ... Machine room 14 ... Support frame 21 ... Condenser fan 23 ... Condenser 24 ... Condensing unit 27 ... Cooler 50 ... Bracket 63 ... Side panel 64 ... Distribution space 66 ... Front panel 69 ... Intake port 70 ... Exhaust port

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomio Suyama 16-16 Hoshizaki Electric Co., Ltd. 3%, South Building, Sakaemachi, Toyoake City, Aichi Prefecture

Claims (2)

[Claims] 1. A cooling chamber for accommodating a cooler and a storage space for accommodating a condensing unit are vertically arranged beside a main body for accommodating stored items. In a cooling storage where a machine room is formed by stretching a panel from the side surface to the back surface, and a front panel is provided on the front surface of the machine room, the side panel is between the side surface of the cooling chamber. It is stretched in a state where an air circulation space is provided, while an intake port for taking in outside air is provided on the lower side of the front panel, and an exhaust port for discharging warm exhaust air is provided on the upper side. Cold storage. 2. A pair of front and rear support frames are provided between a side surface of the cooling chamber and a bottom plate of the storage space, wherein each of the support frames is a side protrusion of the side surface of the cooling chamber. Mounted via the mounting part provided on
An air circulation space communicating with the storage space is formed laterally of the cooling chamber by stretching the side panel on the outside of the support frame.
Cooled storage described.