JP4306153B2 - vending machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is intended for vending machines that sell products such as cans, bottles, and plastic bottles as cold products, and defines a machine room on the bottom side of a cabinet with doors equipped with a product storage rack and cooling unit. In addition, the present invention relates to the configuration of a vending machine equipped with an air-cooled condensing unit for a refrigerator.
[0002]
[Prior art]
First, an example of the general structure of the vending machine mentioned above is shown in FIGS. In the figure, 1 is a vending machine cabinet that becomes a heat-insulating housing, 1a is a product storage case, 1b is a machine room defined on the bottom side of the cabinet 1, 2 is a front outer door, 2a is a product outlet, Insulated inner doors 4 are product storage racks stored in the product storage 1 a of the cabinet 1, 5 is a product discharge shooter that guides the products transported from the product storage rack 4 to the product outlet 2 a, and 6 is a storage of the product storage 1 a. A cooling unit (an assembly of a refrigerator evaporator and a fan in the refrigerator) installed at the inner bottom, and an air-cooled condensing unit of a cooling building that forms a refrigeration cycle with the cooling unit 6 in the machine room 1b 7 and a power supply unit or the like is housed in a small chamber defined on the left side of the partition wall 1c. In addition, the heat insulation housing | casing of the goods storage 1a becomes a structure filled with the heat insulating material of foaming resin, for example between the inner box made from a thin steel plate, and an outer box.
[0003]
The merchandise sales operation of such a vending machine is well known, and the merchandise 8 is stored in each column of the merchandise storage rack 4, and the cool air cooled by the cooling unit 6 is circulated and blown into the cabinet to bring the merchandise 8 to an appropriate sales temperature. It is kept cool. When the product is sold, the product 8 delivered from the product storage rack 4 by the operation of the bend mechanism 4a based on the sales command is sent to the product take-out port 2a through the product carry-out chute 5.
[0004]
The air-cooled condensing unit 7 is composed of an assembly of a compressor 7a, a condenser 7b, and a blower fan 7c. Generally, as shown in FIG. Cooling air (outside air) taken from the outside of the machine through 2b is blown into the room of the machine room 1b as shown by the arrow in the drawing to cool the pseudo-condenser 7b and the compressor 7a, and then the exhaust opening at the back of the machine room 1b. It discharges to the back side of the cabinet 1 through the mouth 1b-1.
[0005]
On the other hand, noise generated from the condensing unit 7 during operation of the vending machine (compressor noise of the compressor, wind noise of the blower fan) is prevented from propagating to the front (passage side) of the cabinet 1 to reduce noise. For this reason, a configuration in which the front end face of the machine room is closed with a sound insulation wall, cooling air is taken in from the back side of the cabinet, and exhausted is performed by the same applicant as the present invention, Japanese Patent Application No. 2000-343473. No. 1 has been proposed previously, and its configuration is shown in FIG.
[0006]
That is, in the illustrated low noise type vending machine, the front surface of the machine room 1b on which the condensing unit 7 is mounted is closed with the sound insulating plate 9, and the condensing unit 7 is enclosed in the room of the machine room 1b. A cylinder 10 is provided, and a cooling air exhaust port 11 and air intakes 12L and 12R are provided on the back of the machine room so as to be distributed to the right and left, and to the outlet of the wind tunnel 10, and the air intakes 12L and 12R and the wind tunnel are opened. A suction air guide passage 13 that bypasses the side of the wind tunnel 10 is defined between the air inlet 10 and the inlet of the wind tunnel 10, and a sound absorbing material 14 is provided on the inner wall surface of the wind tunnel 10 and the air guide passage 13. Yes. Further, an exhaust duct 15 communicating with the exhaust port 11 and extending upward is provided on the rear surface of the cabinet 1, and the outside air taken in from the air intake ports 12L and 12R in this configuration is indicated by a condensing unit. 7 is exhausted to the ceiling side through the exhaust port 11 and the exhaust duct 15.
[0007]
According to the configuration described above, the front surface of the machine room 1b is blocked by the sound insulation wall 9, and noise generated from the condensing unit 7 during operation does not leak to the front of the vending machine, and the cooling air is blown. Since the sound absorbing material 14 is laid on the inner wall surface of the path to reduce the noise level propagating outward from the air intake and exhaust ports, it is particularly suitable as a vending machine for indoor installation that requires quietness. is there.
[0008]
[Problems to be solved by the invention]
By the way, when installing a vending machine at a location destination, there is an example in which one vending machine is used alone. However, in a location where a large number of people use, for example, a highway service area, a plurality of vending machines are generally used. There are many examples of using vending machines side by side in the same place. In this case, if the low noise type vending machine shown in FIG. 7 and the conventional general vending machine shown in FIG. Such a problem arises.
[0009]
That is, in the general vending machine shown in FIG. 6, the high-temperature exhaust gas that has passed through the condensing unit 7 is discharged as it is behind the cabinet 1 through the exhaust port 1b-1, but the vending machine installed indoors Since a sufficient gap is not secured between the rear surface and the building wall, the hot exhaust air does not immediately diffuse into a large space but stagnates in this portion. On the other hand, in the low-noise vending machine shown in FIG. 7, the cooling air intakes 12 </ b> L and 12 </ b> R are opened on the rear side of the bottom of the cabinet 1. For this reason, when installed side by side with a general vending machine, the high-temperature exhaust discharged from the general vending machine is taken in from the air intake of the adjacent low noise type vending machine and condensed. As a result, air is blown to the unit 7, and as a result, in the low-noise type vending machine, the cooling efficiency of the condensing unit 7 is lowered and sufficient cooling performance cannot be exhibited.
[0010]
The present invention has been made in view of the above points, and for the above-described low-noise type vending machine, has improved the air intake path for taking in outside air to the condensinde unit of the refrigerator mounted in the machine room, Even when installed in the same place as a general vending machine, high cooling performance can be demonstrated without being directly affected by high-temperature exhaust discharged from a general vending machine while ensuring low noise. The purpose is to provide a vending machine.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, a machine room is defined on the bottom side of a cabinet with a door equipped with a product storage rack and a cooling unit in the cabinet, and an air-cooled condensing unit for a refrigerator. Is installed in the machine room, and the cooling air taken from the surroundings is blown to the condensing unit. The front of the machine room is closed with a sound insulation wall, A wind tunnel that surrounds the air conditioning unit, and the rear side of the machine room has an air intake and an exhaust port that are divided into left and right openings, and the air guide passage that leads from the air intake to the exhaust port via the wind tunnel be those which defines a defines the outside air intake air guide path leading from the front of the cabinet to bypass the bottom side of the machine room in the inlet the air, the cabinet via the conductor airflow passage In vending machine so as to take in air in the machine room from the front, the air guide which surrounds the sides and rear, except for the front of surrounding the gap cabinet between the floor installation and the bottom surface of the cabinet at the shroud It is installed and connected to the cabinet so that it can move up and down .
[0012]
According to the above configuration, even when the vending machine is used side by side in the same place (indoor) as a general vending machine (the exhaust of the condensing unit is discharged behind the cabinet (see FIG. 6)), Without being directly affected by the high-temperature exhaust discharged from the back of a general vending machine, high cooling performance can be maintained. In addition, since the outside air intake air passage is reversed from the rear side of the machine room and bypasses the bottom surface side of the cabinet and opens forward, noise leaking to the front of the cabinet is small.
[0013]
Moreover, according to this invention, the external air intake air guide in the said structure can be comprised in the following aspects.
(1) Surround the gap between the bottom of the cabinet and the installation floor, lay a wind guide around the bottom area excluding the front of the cabinet, and surround it with the wind guide between the bottom of the cabinet and the floor. A fresh air intake channel is defined.
[0014]
With this configuration, it is possible to take in the outside air by using the gap between the bottom surface of the cabinet and the installation floor surface as an outside air intake channel without making the cabinet machine room a double bottom, and the structure is simple. In addition, it can handle the lifting movement of vending machines by forklift.
(2) A sound-absorbing material is installed on the inner surface of the air guide, so that the noise leaking to the outside is attenuated more effectively.
[0015]
(3) The wind guide is composed of an enclosure plate, and the enclosure plate is connected to and supported by the cabinet so that it can be moved up and down, and the height of the vending machine is adjusted by adjusting the cabinet support (screw-type height adjuster). Even when the height is changed, the function of the air guide is maintained by preventing an unnecessary gap from being generated between the lower end of the shroud and the floor surface (Claim 1 ).
(4) A flexible sheet is used for the air guide, and the sheet is hung in a curtain shape around the bottom area excluding the front of the cabinet so that the tip is in contact with the floor surface. The height of the machine can be adjusted (Claim 2 ).
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described based on the illustrated examples. In addition, in the figure of each Example, the same code | symbol is attached | subjected to the member corresponding to FIG. 7, and the description is abbreviate | omitted.
[Embodiment 1] FIGS. 1A and 1B show an embodiment of the present invention. In this embodiment, the back and bottom areas of the machine room 1b are covered with a cover 16, and a gap between the base 1d of the cabinet 1 on which the condensing unit 7 is placed and the cover 16 is used as an air guide path. 1, an outside air intake air passage 17 is formed which bypasses the back side of the base 1d from the front side of the air inlet 1 and is connected to the air intake air passage 13 defined on both sides of the wind tunnel 10 of the condensing unit 7. The front end of 17 is opened to the front surface of the cabinet 1 to form a cooling air intake. In addition, a sound absorbing material 14 is laid on the inner wall surface of the cover 16 that defines the outside air intake air guide path 17, similarly to the machine room 1 b, the wind tunnel 10, and the exhaust duct 15.
[0017]
In such horizontal composition, when the refrigerator is in operation, the outside air taken in from the outside air intake air passage 17 that opens to the front of the cabinet 1 as shown in the figure is reversed in direction from the rear end of the air introduction passage 17 and sucked in air After flowing into the wind tunnel 10 through the path 13 and cooling the condensing unit 7, the air is exhausted from the exhaust port 11 on the back side to the ceiling side through the exhaust duct 15.
[0018]
With the above configuration, even when the vending machine and the general vending machine shown in FIG. 6 are installed side by side in the same location, the high-temperature exhaust discharged from the general vending machine to the back side There is no risk of being taken as cooling air into the condensing unit 7 of the vending machine. In addition, the front surface of the machine room 1b in which the condensing unit 7 is accommodated is closed by the sound insulation wall 9, and the outside air intake air passage 17 that opens to the front of the cabinet bypasses the bottom surface side of the machine room and reaches its rear end. Since the direction is reversed, the noise of the condensing unit 7 propagating through the outside air intake duct 17 and leaking to the front of the cabinet 1 is very small. Further, the sound absorbing material 14 is disposed on the inner surface of the air duct 17. By laying it, noise leakage can be greatly attenuated.
[0019]
[Embodiment 2] FIGS. 2A and 2B show an embodiment corresponding to the present invention. In this embodiment, instead of the bottom cover 16 in FIG. 1, a shroud is used as a wind guide so as to surround the side face and the back face except the front face of the cabinet 1 and the lower edge thereof is in contact with the installation floor of the vending machine. 18 is installed, and an outside air intake air guide path 17 is formed between the base 1d of the cabinet 1 surrounded by the surrounding board 18 and the floor surface. As in the embodiment of FIG. 1, the air guide passage 17 has a front end opened to the front of the cabinet 1, a rear end is reversed in direction, and communicates with the suction air guide passage 13 of the machine room 6. A sound-absorbing material 14 is attached. Reference numeral 19 denotes support legs (screw-type height adjusters) of the cabinet 1 arranged at the four corners of the base 1d. The support air 19 secures the outside air intake air guide path 17 by the support legs 19.
[0020]
According to this configuration, the same effects as those of the first embodiment described above can be obtained, and the bottom surface of the cabinet 1 does not have a double bottom structure as shown in FIG. When moving, the weight of the vending machine can be supported by the base 1d of the cabinet.
[Embodiment 3] FIGS. 3 (a) to 3 (d) show an embodiment corresponding to claim 1 of the present invention in which the construction of the embodiment 2 is further developed.
[0021]
In the present embodiment, basically, as in the structure of the second embodiment, the side and back surfaces except the front surface of the cabinet 1 are enclosed, and the lower edge thereof is enclosed as a wind guide so as to contact the installation floor surface of the vending machine. A board 18 is laid out, and an outside air intake air guide path 17 is formed between the base 1d of the cabinet 1 surrounded by the surrounding board 18 and the floor surface. Is supported so as to be movable in the vertical direction through a long hole 18a drilled in the plate surface of the enclosure plate 18 and a stepped screw 20 attached to the cabinet 1. .
[0022]
With this configuration, even when the installation height of the vending machine is changed or adjusted by adjusting the support legs 19 of the cabinet 1 at the location destination, the cabinet 1 can be moved up and down with its lower edge in contact with the floor surface. Therefore, the function as a wind guide can be maintained without changing the mounting position of the surrounding board 18 each time.
Further, in this embodiment, assuming that the vending machine is moved using a transport forlift, the enclosure plate 18 laid on the back side of the cabinet 1 has a cross section inward along the lower edge thereof. A triangular sleeper 18b is attached. When the vending machine is lifted using a forklift, as shown in (a), the fork 21 is inserted from the front of the cabinet 1 into the gap between the base 1d and the floor (the outside air intake air duct 17). (B) When inserted as shown in the figure, the tip of the fork 21 hits the slope of the sleeper 18b and pushes up the shroud 18. As a result, the fork 21 can be pushed to the position shown in FIG.
[0023]
[Embodiment 4] FIGS. 4 (a) and 4 (b) show an applied embodiment corresponding to claim 2 of the present invention. In this embodiment, a flexible sheet (resin) is used in place of the shroud 18 described in the second and third embodiments as an air guide for forming an outside air intake air guide on the bottom side of the cabinet 1. Sheet 22 or a non-breathable cloth sheet) 22, and this sheet 22 is laid in a curtain shape around the bottom of the cabinet 1 except for the front surface, and the sheet 22 is placed between the base 1 d of the cabinet 1 and the installation floor surface. The outside air intake duct surrounded by is formed. The height of the seat 22 is set with a margin that is larger than the installation height of the vending machine (height from the floor), and in the installation state of the vending machine, (a ) As shown in the figure, the seat 22 is in contact with the floor surface in a slack state.
[0024]
As a result, the flexible seat 22 is in contact with the floor surface even when the installation height of the vending machine is changed or adjusted by adjusting the support leg 19 of the cabinet 1 at the location as in the third embodiment. Since it follows the up-and-down displacement of the cabinet 1 with keeping, the function as a wind guide can be maintained.
When the forklift is used to lift and move the vending machine, when the fork 21 is inserted into the gap between the base 1d and the floor surface from the front of the cabinet 1 as shown in FIG. Since the sheet 22 that hits can be freely deformed, the cabinet 1 can be held on the fork 21 as shown in FIG.
[0025]
【The invention's effect】
As described above, according to the configuration of the present invention, the following effects can be obtained.
(1) Outside air that opens to the front by bypassing the bottom side of the cabinet from the back of the machine room as a cooling air guiding path for the air-cooled condensing unit of the refrigerator mounted in the machine room, whose front is covered with a sound insulation wall An intake air passage is formed, and outside air taken from the front side of the cabinet through this air passage is blown to the condensing unit, so that the noise of the condensing unit leaking to the front of the vending machine is kept low. While ensuring quietness, the vending machine and a general vending machine (which discharges high-temperature exhaust from the refrigerator condensing unit to the back side of the cabinet) are installed side by side at the location. Even in this case, high cooling performance can be maintained without being affected by high-temperature exhaust discharged from a general vending machine.
[0026]
(2) In addition, based on the above configuration, an air guide is laid around the bottom area excluding the front surface of the cabinet to surround the gap between the bottom surface of the cabinet and the installation floor surface of the vending machine. According to the configuration in which the outside air intake air passage surrounded by the air guide is formed between the floor and the floor surface, the outside air intake air passage is formed on the bottom side of the cabinet without the cabinet having a double bottom structure. In addition, when a vending machine is moved using a forklift, it can be lifted and transported by inserting a fork into the bottom surface of the cabinet base in the same manner as a general vending machine.
[0027]
(3) Further, according to the configuration of the third aspect in which a sound absorbing material is laid on the inner surface of the air guide, it is possible to further reduce the noise leaking outward from the condensine unit due to the damping effect of the sound absorbing material.
(4) Further, the above an air guide constructed in shroud, and according to該囲have plate structure of claim 1 which is connected to and supported vertically movable with respect to the cabinet, the cabinet support leg (threaded height adjuster Even if the installation height of the vending machine is adjusted or changed by adjusting (), it is possible to reliably secure the outside air intake duct without creating an unnecessary gap between the floor and the enclosure. Furthermore, even when the enclosure plate of the air guide is assembled to the cabinet, when the vending machine is lifted by using the forklift, it is possible to carry out the conveyance work while avoiding undue interference between the fork and the enclosure plate.
[0028]
(5) Further, using a flexible sheet to said air guide of claim 2 in which the tip has been laid so as to be in contact with the floor surface hanging the curtain the sheet on the bottom peripheral region excluding the front of the cabinet Depending on the configuration, it is possible to achieve the same effect as in the previous section (4) using an inexpensive material.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of a vending machine corresponding to Embodiment 1 of the present invention, (a) is a side sectional view, and (b) is a cross-sectional plan view of a machine room portion in FIG. FIG. 3 is a block diagram of a vending machine corresponding to Embodiment 2 of the present invention, where (a) is a side sectional view and (b) is a front view of a machine room portion in FIG. (A). It is a block diagram around the machine room of the vending machine corresponding to Example 3, (a) is a side view sectional view, (b) is an arrow XX sectional view in (a) figure, (c), ( FIG. 4 is an explanatory diagram showing a work procedure when lifting a vending machine using a forklift. FIG. 4 is a configuration diagram of a machine room part of a vending machine corresponding to Example 4 of the present invention. Fig. 5 is a side cross-sectional view of the vending machine installed on the floor. Fig. 5 (b) shows the state in which the vending machine is lifted using a forklift. External perspective view in open state 6 is a side sectional view showing the internal structure of FIG. 5. FIG. 7 is a configuration diagram of a conventional low noise type vending machine, (a) is a sectional side view, and (b) is a sectional view of (a). Cross-sectional plan view of machine room part
DESCRIPTION OF SYMBOLS 1 Cabinet 1a Inside 1b Machine room 1d Base 2 Outer door 3 Heat insulation inner door 4 Product storage rack 6 Cooling unit 7 Air-cooled condensing unit 7a Compressor 7b Condenser 7c Blower fan 8 Product 9 Sound insulation wall 10 Condensing Unit wind tunnel 11 Exhaust port 13 Suction air guide path 14 Sound absorbing material 15 Exhaust duct 17 Outside air intake air guide path 18
19 Supporting leg 22 Seat (wind guide)

Claims (2)

A machine room is defined on the bottom side of a cabinet with doors equipped with a product storage rack and cooling unit in the cabinet, and an air-cooled condensing unit for a refrigerator is installed. The vending machine is configured to blow cooling air to the condensing unit, the front of the machine room is closed with a sound insulation wall, a wind tunnel surrounding the condensing unit is provided in the room, and the back of the machine room On the side, the air intake and the exhaust port are divided and opened to the left and right, and an air guide path from the air intake through the wind tunnel to the exhaust port is defined ,
An outside air intake duct that bypasses the bottom side of the machine room and leads to the air intake port from the front of the cabinet is defined, and air is taken into the machine room from the front of the cabinet via the air duct. in the vending machine was,
An air guide that surrounds the gap between the bottom of the cabinet and the installation floor and surrounds the sides and back of the cabinet with a surrounding plate is installed, and the surrounding plate is connected to and supported by the cabinet. Vending machine characterized by that . 2. The vending machine according to claim 1 , wherein a flexible sheet is used for the air guide, and the sheet is hung in a curtain shape on the bottom peripheral area except the front surface of the cabinet so that the tip thereof is in contact with the floor surface. Vending machine characterized by

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