CN206320974U - Blast freezer - Google Patents

Abstract

The utility model discloses a quick-freezing cabinet, comprising a cabinet body and a refrigeration system, wherein the refrigeration system comprises a compressor located outside the cabinet body, a condenser and an evaporator arranged in the cabinet body for realizing refrigeration, the cabinet body is provided with a cabinet door with a sealing strip, the cabinet body or the cabinet door is provided with an air pressure balancing device, the air pressure balancing device comprises an air pipe connected to the cabinet body, the air pipe is provided with a one-way valve for controlling air to enter the cabinet body, the air pressure balancing device also comprises a dehumidification mechanism for dehumidifying the air in the air pipe, the beneficial effect of the utility model is that the air pressure inside and outside the cabinet body is balanced by the air pressure balancing device, and the air pressure balancing device also has a dehumidification function, thereby reducing frost inside the cabinet body, increasing the efficiency of heat exchange inside the cabinet body, saving energy consumption and being environmentally friendly.

Description

Blast freezer

technical field

The utility model relates to the field of food refrigeration, in particular to a quick-freezing cabinet.

Background technique

The quick freezer is a professional storage tool used to store various foods that need to be frozen. It is mainly used in business to quickly refrigerate food, so as to keep the nutrition of the food without loss and the effect of fresh taste. Relying on a gallbladder evaporator or a plate tube evaporator for refrigeration, frost usually forms quickly on the inner wall of the evaporator or the plate tube evaporator. Part of the water vapor forming frost comes from the stored food, but more comes from the door seal Leaked water vapor, due to the fluctuation of the temperature inside the box caused by the start and stop of the compressor, will continue to cause the air pressure in the box to change continuously relative to the outside world, so that the door seal will continue to leak water vapor, while the traditional door is opened to facilitate the opening of the door. The balance ventilation holes on the seal exacerbate the frosting process. Due to the reduction of pressure, the door body cannot be opened by manpower within a period of time after the door is closed, and it must be balanced before opening.

Utility model content

In view of the deficiencies in the prior art, the purpose of this utility model is to provide a quick-freezing cabinet. When the temperature in the cabinet is rapidly cooled, the balance of the air pressure inside the cabinet is maintained, and the air entering the cabinet is dehumidified to reduce the temperature in the cabinet. Frost inside.

In order to achieve the above purpose, the utility model provides the following technical solutions: a quick-freezing cabinet, including a cabinet body, and a refrigeration system, the refrigeration system includes a compressor located outside the cabinet, a condenser and is arranged in the cabinet for realizing Refrigerated evaporator, the cabinet body is provided with a cabinet door with a sealing strip, and the cabinet body or cabinet door is provided with an air pressure balance device, and the air pressure balance device includes a gas pipe connected to the cabinet body, and the The trachea is provided with a one-way valve for controlling air entering the cabinet, and the air pressure balance device also includes a dehumidification mechanism for dehumidifying the air in the trachea.

By adopting the above technical scheme, the condenser, evaporator and compressor are connected to each other through pipelines, and the coolant in the pipeline circulates inside the pipeline. When the liquid coolant enters the evaporator, it quickly vaporizes and absorbs a large amount of heat. , so that the temperature in the cabinet is rapidly lowered, and the deflected cabinet is quickly refrigerated; the vaporized refrigerant passes through the compressor to form a high-pressure vacuum, and through the cooling effect of the condenser, the refrigerant is liquefied again for the next cycle; When the cabinet cools down rapidly, the air pressure in the cabinet will decrease rapidly due to the thermal expansion and contraction of the air. At this time, the one-way valve on the air pressure balance device will open, so that the air outside the cabinet will flow into the cabinet through the air pipe, reducing the air pressure in the cabinet. The air pressure inside and outside the cabinet, so that the external force on the sealing strip will be greatly reduced, so as to effectively protect the sealing strip on the cabinet door; the air pressure balance device also has a dehumidification mechanism, and the air entering from the outside of the cabinet will be dehumidified The mechanism dehumidifies and makes the air entering the cabinet relatively dry, which further reduces the generation of frost in the cabinet; the air pressure balance device can be installed on the cabinet or on the cabinet door.

The utility model is further configured as follows: the dehumidification mechanism includes a cooling cavity connected with the cabinet body and used for cooling the air pipe, and the cabinet body is provided with a circulating fan for making cold air in the cabinet flow in the cooling cavity.

By adopting the above technical scheme, the low-temperature air in the cooling chamber comes from the cabinet, and the air in the cooling chamber is circulated through the circulating fan, thereby cooling the air pipe, and the water vapor in the air pipe is liquefied when it is cold, and the air is dehumidified. The air entering the cabinet from the trachea will be relatively dry, which reduces the generation of frost in the cabinet;

The utility model is further configured as follows: the air pipe is installed in the cooling cavity, and the end of the air pipe connected to the cabinet is higher than the end of the air intake.

By adopting the above technical solution, after the air is liquefied in the trachea, it will flow downward due to the effect of gravity, and flow out from the air inlet of the trachea, so that no additional drainage structure is required to draw out the condensed water.

The utility model is further configured as follows: the air pipe is provided with a condensation section spirally upward and the axis is vertically arranged in the cooling cavity, and one end of the air intake of the air pipe is located below the condensation section.

By adopting the above technical solution, the spiral cooling section on the air pipe is used to fully contact the low-temperature air in the cooling chamber, so as to obtain a better condensation effect, which can maximize the water vapor contained in the air, so that the air can enter The air in the cabinet is relatively dry.

The utility model is further configured as follows: the air inlet of the air pipe is provided with a condensed water collection box.

By adopting the above technical scheme, the condensed water collection box provided at the air inlet is used to collect the condensed water flowing out of the air inlet, and it is poured out when the water accumulation reaches a certain level, which is convenient for use.

The utility model is further configured as follows: the cooling chamber is located outside the cabinet, and a heat insulation layer is arranged outside the cooling chamber.

By adopting the above-mentioned technical scheme, the volume of the cabinet can be increased by setting the cooling outside the cabinet, and the heat insulation layer provided outside the cooling chamber is used to reduce the heat exchange between the cooling chamber and the outside air, thereby reducing energy consumption to the greatest extent.

Compared with the prior art, the beneficial effect of the utility model is that the air pressure inside and outside the cabinet is balanced by the air pressure balance device, and the air pressure balance device also has a dehumidification function, which reduces the frosting inside the cabinet and increases the heat inside the cabinet. Exchange efficiency, energy saving, environmental protection.

Description of drawings

Fig. 1 is the structural representation of quick freezing cabinet;

Fig. 2 is a structural schematic diagram of the air pressure balance device.

Reference signs: 1, cabinet body; 11, evaporator; 12, compressor; 13, condenser; 14, cabinet door; 2, cooling cavity; 21, air duct; 22, heat insulation layer; 23, circulation fan; 3. Air pipe; 31. One-way valve; 32. Cooling section; 33. Air inlet; 4. Condensed water collection box; 5. Air pressure balance device.

detailed description

As shown in Figure 1, a kind of quick freezing cabinet comprises the cabinet body 1 with cabinet door 14, is provided with compressor 12 at the bottom of cabinet body 1, is provided with condenser 13 at the side of cabinet body 1, the inside of cabinet body 1 An evaporator 11 is provided, and the above-mentioned components are connected together sequentially by pipelines with refrigerant, and the liquid refrigerant enters the evaporator 11 to be vaporized, absorbing a large amount of heat inside the cabinet 1, and cooling the cabinet 1. The liquefied refrigerant flows out of the cabinet 1 along the pipeline and enters the compressor 12. The compressor 12 compresses the gaseous refrigerant to form high-pressure steam, and the high-pressure refrigerant steam enters the condenser 13 to dissipate heat, so that The refrigerant vapor is liquefied and circulated again to complete the refrigeration of the cabinet 1 and realize the rapid freezing of the quick-freezing cabinet.

Preferably, an air pressure balance device 5 is also provided on the back of the cabinet body 1 ; in addition to the above technical solutions, the air pressure balance device 5 can also be arranged on the cabinet door 14 . The air pressure balance device 5 includes an air pipe 3 communicating with the inside of the cabinet 1, and the air pipe 3 is provided with a one-way valve 31 that controls the flow of air into the cabinet 1. As shown in Figure 2, when the air in the cabinet 1 expands due to heat and cools At this time, the one-way valve 31 will be opened to allow the air outside the cabinet 1 to flow into the cabinet 1, thereby reducing the air pressure difference inside and outside the cabinet 1, so that the force used by the user to open the cabinet door 14 will be greatly reduced.

As shown in FIG. 2 , the air pressure balance device 5 includes a dehumidification mechanism. The dehumidification mechanism includes a cooling chamber 2 outside the cabinet body 1 and a heat insulation layer 22 wrapping the cooling chamber 2. Road 21, two air ducts 21 are arranged up and down, and the air duct 21 at the bottom is provided with a circulating fan 23. When the fan rotates, the cold air in the cabinet 1 is sucked into the cooling chamber 2 and blown from the other air duct. 21 re-enters the cabinet body 1, so that the cold air circulates between the cooling chamber 2 and the cabinet body 1, and keeps the cooling chamber 2 in a low temperature state; since the cooling chamber 2 is placed outside, the space inside the cabinet body 1 can be maximized, and The setting of the heat insulation layer 22 is beneficial to keep the low temperature in the cooling chamber 2, and reduces the energy loss of the quick-freezing cabinet.

The air pipe 3 passes through the cooling chamber 2. Due to the temperature difference between the inside and outside of the air pipe 3, the temperature of the air in the air pipe 3 decreases, thereby reducing the saturation of water vapor in the air, causing the water vapor to condense into small water droplets and adhere to the pipe of the air pipe 3. On the wall, because the air pipe 3 is vertically arranged, the water droplets condensed on the pipe wall will slide down the pipe wall of the air pipe 3 under the action of gravity until it is discharged from the air inlet 33 of the air pipe 3, and the water droplets on the cabinet body 1 A condensed water collection box 4 is provided, and the condensed water collection box 4 and the cabinet body 1 adopt the plug-in mode, and the condensed water flowing out from the air inlet 33 will fall into the condensed water collection box 4. In actual use, when After the water level in the condensed water collecting tank 4 reaches a certain level, it is poured out uniformly.

In order to further increase the heat exchange between the air pipe 3 and the cooling chamber 2, the air pipe 3 is provided with a spiral cooling section 32 inside the cooling chamber 2. When the air flows from the outside of the cabinet 1 into the cabinet 1, it will be longer In this way, the time for heat exchange between the air and the cooling chamber 2 is increased, so that the efficiency of dehumidification can be greatly increased. After dehumidification by the dehumidification mechanism, the air entering the interior of the cabinet 1 will be relatively dry, thereby reducing Generation of frost inside cabinet 1.

Due to the setting of the air pressure balance device 5, after the air pressure in the cabinet body 1 drops, the air will enter the cabinet body 1 from the air pressure balance device 5, reducing the stress on the sealing strip on the cabinet door 14; and from the air pressure balance device 5 The air entering the cabinet 1 has been dehumidified, so the water vapor entering the cabinet 1 will not increase due to the balance of the air pressure, and the frosting in the cabinet 1 will be reduced.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (6)

1. A quick-freezing cabinet, comprising a cabinet, and a refrigeration system, wherein the refrigeration system includes a compressor outside the cabinet, a condenser and an evaporator arranged in the cabinet for realizing refrigeration, and the cabinet is provided with The cabinet door with sealing strip is characterized in that: the cabinet body or the cabinet door is provided with an air pressure balance device, the air pressure balance device includes a gas pipe connected to the cabinet, and the gas pipe is provided to control the air entering the cabinet The air pressure balance device also includes a dehumidification mechanism for dehumidifying the air in the trachea. 2. The quick-freezing cabinet according to claim 1, characterized in that: the dehumidification mechanism includes a cooling cavity connected to the cabinet body and used to cool the air pipe, and the cabinet body is provided with a cooling chamber to cool the cold air in the cabinet body. Circulation fan for intracavity flow. 3. The quick-freezing cabinet according to claim 2, the air feature is: the air pipe is installed in the cooling chamber, and the height of the end of the air pipe connected to the cabinet body is higher than the end of the air intake. 4. The quick-freezing cabinet according to claim 3, characterized in that: the air pipe is provided with a condensing section spirally upward and the axis is vertical in the cooling cavity, and one end of the air intake is located below the condensing section. 5. The quick-freezing cabinet according to claim 4, characterized in that: the air inlet of the air pipe is provided with a condensed water collection box. 6. The quick-freezing cabinet according to claim 5, wherein the cooling chamber is located outside the cabinet, and a heat insulation layer is arranged outside the cooling chamber.