JP2000258027A - Food cooler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a food cooler in which dry up of food can be suppressed. SOLUTION: An air duct 51 has opposite end openings 51a, 51b facing the inside of a compartment 9 and fans for the cooler 11a, 11b, 11c can rotate forward and reversely. Blowing rate of chill from an air outlet into the compartment 9 is differentiated when air is supplied from one opening 51a to the other opening 51b and when air is supplied from the other opening 51b to one opening 51a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food cooler provided with a blower for a cooler.

[0002]

2. Description of the Related Art Generally, a cooling circuit is provided in which a compressor, a condenser, a decompression device, and a cooler for cooling air in a refrigerator are connected by piping. BACKGROUND ART There is known a food cooler that operates a blower to circulate cool air exchanged by the cooler in a refrigerator to cool food in the refrigerator.

[0003]

In the conventional food cooler of this type, when cooling the food, there is a problem that the food dries when the cooling air is strongly applied to the food. In this case, even if the rotation speed of the cooler blower is reduced by inverter control or the like, for example, the food located in front of the blower in the blow direction is strongly blown by the wind, so that the food in that portion is dried. In addition, there is a problem that drying unevenness occurs for each food.

[0004] Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art and to provide a food cooler which can suppress the drying of food.

[0005]

According to the first aspect of the present invention,
A cooling circuit in which a compressor, a condenser, a decompression device, and a cooler for cooling air in the refrigerator are connected by a pipe is provided. During a cooling operation, the cooling device is operated by operating a blower for a cooler arranged in an air passage of the cooler. In the food cooler that circulates cold air that has exchanged heat in the cooler and cools the food in the cooler, the air passage has both ends open to the inside of the cooler, and the blower for the cooler is configured to be rotatable forward and reverse. Then, the configuration is such that the blowing speed of the cool air from the outlet to the inside of the refrigerator differs between the case where air is blown from one opening to the other opening and the case where air is blown from the other opening to one opening.

According to a second aspect of the present invention, a compressor, a condenser,
A cooling circuit in which a decompression device and a cooler for cooling the air in the refrigerator are connected by piping, and a cool air blown by the cooler by operating a cooler blower arranged in an air passage of the cooler during a cooling operation. In the food cooler that circulates in the refrigerator and cools the food in the refrigerator, the air passage has both ends open toward the refrigerator, the cooler is disposed in one opening, and the cooling is disposed in the other opening. A blower for the cooler is arranged, and the blower for the cooler is configured to be rotatable forward and backward, and when the air is blown from one opening to the other opening and when the air is blown from the other opening to the one opening, the air is blown from the outlet to the inside of the refrigerator. Are configured such that the blowing speed of the cold air is different.

According to a third aspect of the present invention, there is provided a compressor, a condenser,
A cooling circuit in which a decompression device and a cooler for cooling the air in the refrigerator are connected by piping, and a cool air blown by the cooler by operating a cooler blower arranged in an air passage of the cooler during a cooling operation. In the food cooler that circulates in the refrigerator, and cools the food in the refrigerator, the air passage has both ends opening to the adjacent wall surfaces in the refrigerator, a cooler is arranged in one opening, and the other opening is in the other opening. A blower for the cooler is arranged, and the blower for the cooler is configured to be rotatable forward and backward, and when the air is blown from one opening to the other opening and when the air is blown from the other opening to the one opening, the inside of the refrigerator is opened from the outlet. The configuration is such that the blowing speed of cold air to the air is different.

[0008] In these inventions, the configuration is such that the speed of blowing cold air from the outlet to the inside of the refrigerator differs between the case where air is blown from one opening to the other opening and the case where air is blown from the other opening to one opening. Therefore, when cooling food that should not be dried, the blower for the cooler is driven to rotate so that the blowing speed of the cool air is slowed down. Rotate and drive the blower. Thereby, the food in the refrigerator can be cooled without drying. In this case, it is preferable that the opening on the side where the blowing air velocity is slow is made large on the inner wall surface of the refrigerator, and that the weak opening is uniformly blown from the large opening to the entire region of the refrigerator.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a blast chiller (hereinafter referred to as a food cooler). The opening / closing door 10 is connected to the cooling box body 100 of the food cooling box 1 via a hinge.
1 is connected, and when the opening / closing door 101 is opened, the interior 9
Is facing. In this compartment 9, there is a stocker 10 with a cart.
The tray 103 is placed on a shelf of the stocker 102, and the tray 103 stores food to be cooled. Further, a liquid crystal display panel 105 is provided in the cooling cabinet main body 100.

[0011] As shown in FIG.
Two cooling units 3a and 3b are provided, and the two cooling units 3a and 3b are connected to the coolers 7a and 7b via the refrigerant pipe 5, respectively. These coolers 7a, 7b
Are integrally formed in parallel with the air path, and are disposed in the air path leading to the inside 9 of the refrigerator.

The coolers 7a and 7b are provided with three cooler blowers 11a, 11b and 11 for circulating the cool air heat-exchanged by the coolers 7a and 7b into the refrigerator 9.
c is attached. These three cooler blowers 11
Each of a, 11b, and 11c has a speed control means (not shown).

One cooling unit 3a is provided with a rated compressor 13
It has. A water-cooled condenser 15 is connected to the refrigerant discharge pipe 3 a of the rated compressor 13.
Is provided with a water pipe 16. 17 is a solenoid valve for water,
Reference numeral 18 denotes a compressor blower, and 19 denotes an oil cooler of the compressor. A receiver tank 21 and a dry core 22 are sequentially connected to the refrigerant outlet pipe 15a of the water-cooled condenser 15,
Further, an expansion valve 23 is connected via the refrigerant pipe 5. The above-described cooler 7a is connected to the expansion valve 23, an accumulator 24 is connected to the cooler 7a via the refrigerant pipe 5, and the accumulator 24 is connected to the refrigerant suction pipe 13b of the rated compressor 13. I have. Further, a bypass pipe 25 is connected to the refrigerant discharge pipe 13 a of the rated compressor 13, and the bypass pipe 25 is connected to a refrigerant outlet pipe 23 a of the expansion valve 23 via a hot gas solenoid valve 26.

Since the two cooling units 3a and 3b have the same configuration, the description of the configuration of the other cooling unit 3b will be omitted.

The food cooling cabinet 1 is provided with an in-compartment sensor 31 for detecting the in-compartment temperature and a core temperature sensor (food temperature sensor) 33 for detecting the core temperature of the food.
Refrigerant temperature sensors 32a and 32b for detecting the refrigerant temperature are attached to the respective outlet pipes b.

A high-temperature food of, for example, about 70 ° C., which is cooked by a steam convection oven (not shown) or the like, is put into the interior 9 of the food cooling storage 1. A needle-shaped core temperature sensor 33 is inserted into any one of the foods, and the core temperature of the food is detected by the core temperature sensor 33.

According to the above configuration, by providing a plurality of cooling circuits, it becomes possible to control the operation of all of the plurality of cooling units 3a and 3b when the food is put into the refrigerator 9, and the temperature in the refrigerator reaches the set temperature. However, when the internal temperature is maintained in the control temperature range (chilled mode), it is possible to control to stop some of the cooling units and to turn on / off the remaining cooling units.

In this embodiment, three cooler blowers 11a, 11b and 11c are composed of propeller fans,
Each of the cooler blowers 11a, 11b, 11c is configured to be rotatable in either forward or reverse direction.

FIG. 3 is a cross-sectional view of the cooling cabinet main body 100.

In this embodiment, an air passage 51 for cooling air is formed in the cooling housing main body 100, and this air passage 51 is bent in an L-shape to open both end openings 51a and 51b (FIG. 1) in the housing 9 respectively. Facing the adjacent wall.

One opening 51a is largely open on the inner wall surface of the refrigerator, and coolers 7a and 7b are arranged on the entire surface of the opening 51a, and three cooler blowers 11 are provided in the other opening 51b.
a, 11b and 11c are arranged. When the blowers 11a, 11b, and 11c for the cooler are rotated forward, air is blown from one opening 51a to the other opening 51b as shown by a solid line, and when this is reversed, the other opening 51b is blown as shown by a dotted line. Is blown to one opening 51a.

The resistance of the air passage in the air passage 51 is defined such that the flow of the wind shown by the solid line becomes stronger and the flow of the wind shown by the dotted line becomes weaker. In particular, as shown by the dotted line, the other opening 51b is formed. When the air is blown into one of the openings 51a, the weak cooling air is blown out substantially uniformly from the large opening 51a opened on the inner wall surface of the inside of the inside of the inside 9 of the inside of the inside of the inside of the inside of the inside of the inside of the inside of the inside of the inside.

In this embodiment, the blower 11 for the cooler is used.
When a, 11b, and 11c are rotated forward, strong cooling air is blown out from the other opening (outlet) 51b, and the food in the refrigerator is rapidly cooled. Since the weak cooling air is blown out almost uniformly from the outlet 51a to the entire area of the inside 9 of the refrigerator, the weak cooling air uniformly hits the food and the drying of the food is suppressed.

According to this, when rapid cooling is desired, the blowers 11a, 11b and 11c for the cooler are normally rotated, and when it is not desired to dry the food, it is only necessary to reverse them, so that the control can be performed very easily. can do.

Although the present invention has been described based on one embodiment, it is apparent that the present invention is not limited to this.

[0026]

According to the present invention, the blowing speed of cool air from the outlet to the inside of the refrigerator differs between the case where air is blown from one opening to the other opening and the case where air is blown from the other opening to one opening. With a simple configuration that only changes the direction of rotation, rapid cooling is possible by increasing the blowing speed of cold air, and drying of food during cooling can be suppressed by reducing the blowing speed of cold air. Can be.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a food cooler according to the present invention.

FIG. 2 is a circuit diagram showing an embodiment of a food cooler according to the present invention.

FIG. 3 is a cross-sectional view of the food cooler of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Blast chiller (food cooler) 3a, 3b Cooling unit 5 Refrigerant piping 7a, 7b Cooler 9 Inside of refrigerator 11a, 11b, 11c Cooler blower 13 Rated compressor 33 Core temperature sensor (food temperature sensor) 51 Wind path 51a One side Opening 51b the other opening

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Katsuhiko Suzuki 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Masakazu Kurihara 2-chome Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (72) Inventor Takashi Ishida 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (3)

[Claims] 1. A cooling circuit in which a compressor, a condenser, a decompression device, and a cooler for cooling air in a refrigerator are connected by piping.
At the time of cooling operation, in the food cooler that operates the cooler blower arranged in the air passage of the cooler and circulates the cool air exchanged with the cooler in the cooler to cool the food in the cooler, the air passage is: Both ends of the opening face the interior of the refrigerator, and the blower for the cooler is configured to be rotatable in the forward and reverse directions. A food cooler characterized in that the air blowing speed of cold air from the outlet to the inside is different. 2. A cooling circuit in which a compressor, a condenser, a decompression device, and a cooler for cooling air in the refrigerator are connected by piping.
At the time of cooling operation, in the food cooler that operates the cooler blower arranged in the air passage of the cooler and circulates the cool air exchanged with the cooler in the cooler to cool the food in the cooler, the air passage is: Both ends of the opening face the inside of the refrigerator, the cooler is arranged in one opening, the blower for the cooler is arranged in the other opening, and the blower for the cooler is configured to be rotatable forward and reverse. A food cooling box characterized in that the blowing speed of cold air from the outlet to the inside differs from the case where air is blown from the outlet to the other opening and the case where air is blown from the other opening to the one opening. 3. A cooling circuit in which a compressor, a condenser, a pressure reducing device, and a cooler for cooling air in the refrigerator are connected by piping.
At the time of cooling operation, in the food cooler that operates the cooler blower arranged in the air passage of the cooler and circulates the cool air exchanged with the cooler in the cooler to cool the food in the cooler, the air passage is: Both end openings face the adjacent wall surface in the refrigerator, the cooler is arranged in one opening, and the cooler blower is arranged in the other opening, and the cooler blower is configured to be rotatable forward and backward. It is characterized in that the configuration is such that the blowing speed of cool air from the outlet to the inside of the refrigerator differs between the case where air is blown from one opening to the other opening and the case where air is blown from the other opening to one opening. Food cooler.