JP2000083773A - Separately placed freezing and refrigerating show case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a separately placed freezing and refrigerating show case enabling coolant piping and drain piping works at a low cost and with little working time without passing a coolant pipe and drain pipe through the floor to eliminate troublesome floor works and reducing the labor. SOLUTION: A coolant pipe R and a drain hose D are erected to be piped in a ceiling C of a shop. As a result, in installing a separately placed show case, it is not necessary to dig under the floor to construct piping, and the foundation, floor work and piping work therefor are not needed, so that the separately placed show case can be installed at a low cost in a short period.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a separate type refrigeration / refrigeration showcase which simplifies refrigerant piping work and drain piping work.

[0002]

2. Description of the Related Art In a self-service food store such as a supermarket, a frozen food or a fresh food is displayed.
A flat-type open showcase with an open top, called a separate type without a built-in refrigeration component (compressor, condenser, etc.), and a multi-stage open showcase with an open front are often used.

[0003] A refrigerant pipe for cooling a cooler of the showcase body is connected between the showcase body and the refrigeration equipment. Further, a pipe (or a hose) for draining drain water generated by defrosting of the cooler to the outside of the main body is connected to the show case main body. Conventionally, these pipes have been dug below the floor of the showcase body 51 and passed under the floor, as shown in FIG. That is, the so-called Nakajima showcase 5 in which the end case 52 (one-side flat showcase) and the straight case 53 (two-side flat showcase) are combined.
1, the refrigerant pipe is connected to the cooler 5 of the end case 52.
4 is provided with a pipe 55a, and the cooler 5 of the straight case 53 is provided.
6 and 57, pipes 55b and 55c are respectively piped, and the pipes 55a, 55b and 55c are gathered and lowered at the right corner of the straight case 53, and pass under the floor outside the main body to form refrigeration components. It is connected to the side. The drain pipe (or hose) is connected to the drain pump kit 58 of the end case 52.
The pipe 59a is connected to the drain pump kit 60 of the straight case 53, and the pipe 59b is connected to the drain pump kit 60 of the straight case 53. (Not shown).

[0004]

As described above, passing refrigerant pipes and drain pipes below the floor requires a lot of cost and time for construction work such as foundation floor work and piping work.
In particular, when a part of the showcases is added due to the renovation of a store or the like, it takes a lot of labor and costs to complete the construction in a short time. Also, depending on the installation location of the showcase, there was a case where the construction had to be abandoned due to the structure of the building.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and eliminates troublesome floor work without passing refrigerant and drain pipes through the floor, reducing labor and reducing cost. It is an object of the present invention to provide a separately-installed refrigeration / refrigeration showcase that enables a refrigerant pipe and a drain pipe to be constructed in a short time.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a refrigerating component which is arranged separately from a main body having a built-in cooler, a refrigerant pipe is connected therebetween, and In a separate refrigeration / refrigeration showcase that pumps and drains the drain water out of the main body through a drain pipe such as a drain hose by a drain pump, the refrigerant pipe and the drain pipe are set up on the ceiling of the store and piped. Features. Also, the refrigerant pipe and the drain pipe are put together through the rear panel notch in the rear panel of the main body,
It is characterized in that the inside of one decorative racking passes from the outside of the main body to the ceiling, and the drain pipe is separated from the refrigerant pipe at the ceiling and connected to an air conditioning room in the ceiling.

[0007] By adopting the above configuration, when installing a separate type showcase, it is not necessary to dig under the floor and install piping, and the foundation floor work and piping work are not required, and the separate type showcase can be installed in a short time and at low cost. A showcase can be installed.

[0008]

Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory perspective view showing a refrigerant pipe and a drain pipe in which the present invention is applied to a Nakajima showcase, and FIGS. 2, 3, and 4 are a cross-sectional side view, a plan view, and a rear view of an end case portion of the Nakajima showcase, respectively. FIG. 5 is a cross-sectional side view of the straight case portion of the Nakajima showcase, FIG.
FIG. 3 is a perspective view of a drain water treatment device provided in each of a straight case and an end case of the Nakajima showcase.

As shown in FIG. 1, Nakajima showcase 1
Is constructed by combining a pair of end cases 2 (one-sided flat showcase) and a straight case 3 (two-sided flat showcase). The end case 2 is, as shown in FIG.
The product storage unit 4 includes a box-shaped product storage unit 4 having an open top and a pedestal base unit 5 for maintaining the product storage unit 4 at an appropriate height. The display section 4 a of the product storage section 4 is surrounded by a heat insulating wall 6. A predetermined space is provided between the heat insulating wall 6 and the display part 4a to form a cool air circulation duct 7, and a cooler 8 and a blower 9 are provided in the circulation duct 7. Both ends of the circulation duct 7 are connected to a cool air outlet 10 and a cool air inlet 11, respectively.
The cool air cooled in the above is blown out from the rear cool air outlet 10 into the commodity storage section 4 on the front side, covers the commodity storage section 4 in an air blanket state with an air curtain, and maintains a predetermined cooling temperature, Circulation duct 7 from cold air inlet 11 on the near side
And is circulated through this path by the action of the blower 9.

The straight case 3 is constructed in substantially the same manner as the end case 2 except that the article storage section 12 is divided into two display sections 12a and 12b by an intermediate partition wall 20 provided at the center thereof. Have been. That is, direct case 3 is
It is composed of a box-shaped product storage section 12 with an open top, and a pedestal base section 13 for keeping the product storage section 12 at an appropriate height. And the display unit 1 of the product storage unit 12
2 a and 12 b are surrounded by a heat insulating wall 14. A predetermined space is provided between the heat insulating wall 14 and the product display sections 12a and 12b to form a cool air circulation duct 15, and the product storage section 1 is provided.
In the second underfloor circulation duct, coolers 16, 16 and a plurality of blowers 17, 17 are provided. This cooler 16,
The cool air cooled at 16 passes through the internal circulation duct of the intermediate partition wall 20 provided at the center of the product storage section 12, and from the cool air outlets 18 on both left and right sides formed at the upper portion, the product storage section 12. Is blown out to both sides of the display unit 12
After cooling the frozen foods and the like stored in the a and 12b, the circulation duct 15 is again returned from the cold air inlets 19 on both sides.
Circulated in

The inside of the under-floor circulation ducts 7 and 15 of both cases 2 and 3 serves as a flow path of drain water generated when the cooler 8 and the coolers 16 and 16 are defrosted. A drain port (not shown) is provided below the blowers 9 and 17 so as to penetrate the heat insulating walls 6 and 14 and discharge drain water to a base portion under the floor.

A drain water treatment device 21 as shown in FIG. 6 is provided in the underfloor base portion. First, in the underfloor base portion, a drain pump kit 22 for pumping drain water to the outside via a drain pipe D and a drain water flowing from the drain port are stored.
2 is provided with a drain water receiving tray 23. The drain pump kit 22 and the drain water pan 23
Is mounted on the base unit 24, and during maintenance,
It can be pulled out from the front side. The drain pump kit 22 is provided with a filter 25 so that the drain pump is not clogged with foreign matters. Also,
The drain pump kit 22 is provided with a first alarm switch (float switch) (not shown) for detecting an abnormal water level in the drain pump. The drain water receiving tray 23 is provided with a second alarm switch (float sensor) (not shown) for detecting an abnormal water level.

Further, in the underfloor base portion, in addition to the drain water tray 23, an overflow drain evaporation tray 26 is provided for overflowing the drain water tray 23. The drain water tray 23 and the overflow drain evaporation tray 26 are provided. Are connected by piping.

A branching device 27 is provided in the middle of the hose extending from the drain port to the drain water receiving tray 23, and is connected to the emergency drain port. Note that 28
Is a base end, 29 is a splash guard, 30 is a filter inspection window, and 31, 32, and 33 are indicator lamps for operation.

Thus, the refrigerant pipe R and the drain pipe D (or hose), which are the gist of the present invention, are connected as follows. As shown in FIG. 1, a refrigerant pipe R is formed from a cooler 8 and coolers 16, 16 arranged in under-floor circulation ducts 7 (FIG. 2), 15 (FIG. 5), and a rear panel portion of the end case 2. At 34, conduits 35a, 35b, 35c are collected, respectively. The assembled pipelines are assembled together at the rear panel portion 34 shown in FIGS. 3 and 4 and are raised through the rear panel cutout portion 36 as shown in FIG. Crawling to the outside of the case body from the center portion, and further rising from the outside of the case body to the ceiling C of the store to perform piping work. The rising refrigerant pipe R is subjected to heat treatment. However, since the rear panel cutout portion 36 is covered with urethane heat insulation, this portion can be omitted from heat treatment.

Similarly, drain pipes D (or hoses) 37a and 37b starting from each drain pump kit 22 are also
It is collected in the back panel 34 of the end case 2, is combined with the refrigerant pipe R, passes through the back panel notch 36 to the center, from the center to the outside of the case body, and from outside the case body to the ceiling of the store. Section C is started. The refrigerant pipe R and the drain pipe D (or hose) between the outside of the case main body and the ceiling C at the time of this startup are covered with one cosmetic racking 38. The refrigerant pipe R and the drain pipe D that have reached the ceiling C are separated, the refrigerant pipe R is connected to a refrigeration component such as a machine room, and the drain pipe D is connected to an air-conditioning chamber 39 (air conditioning) inside the ceiling C (behind the ceiling). Where the drain water from the machine is collected). Then, the drain water collected in the meeting place square 39 is discarded by a drain hose or the like into a drain outside the store.

In this embodiment, the Nakashima showcase in which the end case and the straight case are combined has been described as an example. However, the present invention is not limited to this, and one showcase or a plurality of showcases may be used. Of course, the present invention can be applied to a multi-stage showcase other than the flat showcase.

[0018]

As described above, the separate type freezing and refrigerated showcase of the present invention has the following effects. (1) When installing a separate-type showcase, it is not necessary to dig under the floor and install piping, and there is no need for foundation floor work or piping work. be able to. (2) A separate showcase can be installed even in places where the construction of refrigerant piping and drainage piping (digging under the floor) was not possible due to the structure of the building. (3) It seems that there is a problem with the appearance of installing plumbing from the upper part of the back panel of the showcase to the ceiling of the store. By passing through, the appearance can be prevented from being impaired.

[Brief description of the drawings]

FIG. 1 is a perspective explanatory view showing a refrigerant pipe and a drain pipe in which the present invention is applied to a Nakajima showcase (a combination of an end case and a straight case).

FIG. 2 is a sectional side view of an end case portion of the Nakajima showcase.

FIG. 3 is a plan view of an end case portion of the Nakajima showcase.

FIG. 4 is a rear view of the end case portion of the Nakajima showcase.

FIG. 5 is a sectional side view of a straight case portion of the Nakajima showcase.

FIG. 6 is a perspective view of a drain water treatment device provided in each of a straight case and an end case of the Nakajima showcase.

FIG. 7 is an explanatory perspective view showing a refrigerant pipe and a drain pipe applied to a conventional Nakajima showcase.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nakajima showcase 2 End case 3 Straight case 4 Commodity storage part 5 Pedestal base part 6 Insulation wall 7 Circulation duct 8 Cooler 9 Blower 10 Cold air outlet 11 Cold air inlet 12 Product storage part 12a Display part 12b Display part 13 Base base Part 14 Insulation wall 15 Circulation duct 16 Cooler 17 Blower 18 Cold air outlet 19 Cold air inlet 20 Intermediate partition wall 21 Drain water treatment equipment 22 Drain pump kit 23 Drain water receiving tray 24 Base unit 25 Filter 26 Overflow drain evaporation tray 27 Container 28 Base end 29 Splash guard 30 Filter inspection window 31 Indicator lamp 32 Indicator lamp 33 Indicator lamp 34 Rear panel 35a Pipe 35b Pipe 35c Pipe 36 Notch 37a Drain pipe (or hose) 37b Drain pipe (or) S) 38 Makeup racking 39 Chamber yard R Refrigerant piping D Drain piping C Ceiling 51 Nakajima showcase 52 End case 53 Straight case 54 Cooler 55a Pipe 55b Pipe 55c Pipe 56 Cooler 57 Cooler 58 Drain pump kit 59a Drain line 59b Drain line 60 Drain pump kit

Claims (3)

[Claims] 1. A refrigeration component is arranged separately from a main body in which a cooler is built, a refrigerant pipe is connected between them, and drain water of the main body is drained by a drain pump through a drain pipe such as a drain hose. A separate refrigeration / refrigeration showcase for pumping and draining water outside the main body, wherein the refrigerant pipe and the drain pipe are set up on the ceiling of a store and connected to the refrigeration / refrigeration showcase. 2. The refrigerant pipe and the drain pipe are jointed in the rear panel of the main body and pass through the cutout of the rear panel, and also pass through a single decorative racking from outside the main body to the ceiling. Item 7. A separate freezing / refrigerated showcase according to Item 1. 3. The refrigeration / refrigeration showcase according to claim 1, wherein the drain pipe is separated from the refrigerant pipe at a ceiling portion and connected to an air-conditioning meeting room inside the ceiling. .