WO2018120264A1

WO2018120264A1 - Refrigerator

Info

Publication number: WO2018120264A1
Application number: PCT/CN2017/000564
Authority: WO
Inventors: 李仕清
Original assignee: 李仕清
Priority date: 2016-12-30
Filing date: 2017-09-05
Publication date: 2018-07-05

Abstract

A refrigerator, and a decompression device and/or a booster device which are added to an ordinary refrigerator. The decompression device comprises a decompression pump or vacuum pump (10), a motor, a decompression valve or an exhaust valve (8), and a safety valve (6). The booster device comprises a booster pump (15), a motor, and a booster valve (14). The refrigerator produces low pressure by means of the decompression device and the safety valve (6) so as to deodorize and retain freshness, and produces high pressure by means of the booster device so as to perfume and retain freshness, thereby freezing foods and retaining the freshness thereof by means of cyclic change between high pressure and low pressure.

Description

Refrigerator

Technical field:

The present invention relates to a refrigerator for use in a cleaning process of food.

Background technique:

At present, people use refrigerators to preserve food, but when food is too late to eat, it tends to deteriorate after being stored for a long time. Even in the refrigerator, it is only a little longer than normal temperature. Some bacteria are suitable for low temperature. Survival, or some bacteria can survive at room temperature and adapt to low temperature environment, so people will still suffer from food deterioration, sometimes endangering people's lives.

Summary of the invention:

The present invention has been made in view of the above problems, and aims to provide a safe refrigerator which extracts germs into the atmosphere by manufacturing a low-pressure and low-temperature environment, and deprives the bacteria of oxygen for survival, so that the bacteria are It can not survive due to lack of oxygen at low temperature, or it can be sterilized by injecting carbon dioxide germicidal gas to prevent food from deteriorating. At the same time, it prevents the smell in parallel from becoming stinky or other strange smell, which can protect health and prevent disease. .

In order to achieve the above object, the present invention adopts the following technical solutions:

A refrigerator comprising a refrigeration system, a refrigerator casing, a pressure reducing device, a pressure reducing device including a pressure reducing pump or a vacuum pump, a motor, a pressure reducing valve or an exhaust valve,

The utility model is characterized in that: the refrigerator is provided with a low-pressure and low-temperature space;

Or the refrigerator is provided with a pressure reducing device to eliminate the gas in the refrigerator to form a space of low air pressure and low temperature.

A refrigerator comprising a refrigeration system, a refrigerator casing, a supercharging device, a boosting device including a booster pump, a motor, a booster valve, and a safety valve,

The utility model is characterized in that: the refrigerator is provided with a space of high air pressure and low temperature;

Or the refrigerator is provided with a supercharging device that is pressurized to form a space with a high air pressure and a low temperature in the refrigerator.

A refrigerator including a refrigeration system, a refrigerator casing,

The utility model is characterized in that: the refrigerator is provided with a vibration device capable of generating vibration; the vibration device can vibrate an object placed inside the refrigerator.

A refrigerator including a refrigeration system, a refrigerator casing,

The utility model is characterized in that: the refrigerator is provided with a pressure reducing device or a pressure increasing device;

The pressure reducing device comprises a vacuum pump or a vacuum pump, a motor, a pressure reducing valve or an exhaust valve; the pressure reducing device can reduce the air pressure inside the refrigerator; and the frozen food is processed by low pressure or vacuum and atmospheric pressure;

The pressurization device comprises a booster pump, a motor, a booster valve, and a safety valve; the pressurizing device can increase the air pressure inside the refrigerator; and the frozen food is processed by high pressure and atmospheric pressure;

A low pressure, normal pressure or high pressure air pressure environment is formed on the inner side of the refrigerator to deodorize and quickly pickle the food in the refrigerator.

Preferably, the vibration device provided in the refrigerator relates to mechanical vibration or electronic vibration generated by mechanical means, or electromagnetic vibration.

Preferably, the refrigerator is provided with a pressure reducing device and a pressure increasing device on the basis of the refrigeration system, and the pressure increasing device includes a boosting pump, a motor, a pressure increasing valve, and the pressure reducing device includes a pressure reducing pump or a vacuum pump, and the motor is reduced. Pressure or exhaust valve and safety valve;

The refrigerator is based on a refrigeration system to manufacture a high pressure, a normal pressure and a low pressure air pressure cycle change environment, and a decompression device and a safety valve are used to manufacture a low pressure for deodorization and preservation, and a high pressure device for high pressure is used for flavor preservation and rapid pickling. Refrigerator technical solutions for high and low pressure cyclically changing environments;

The refrigerator pressure reducing device removes or reduces gas inside the refrigerator through an exhaust port, an exhaust valve, a pressure reducing device and a pipe; the pressure reducing device provided on the refrigerator passes through an exhaust valve and an exhaust port inside the refrigerator casing The positioning of the Unicom is coupled together; the supercharging device provided on the refrigerator is coupled with the positioning of the booster valve in communication with the booster port on the inner side of the refrigerator casing; the pressurizing device of the refrigerator is pressurized through the pressure port The supercharging device and the pipeline increase the gas pressure inside the refrigerator; the decompression device and the supercharging device of the refrigerator communicate with the external atmosphere through a pipeline; the refrigerator is provided with a safety valve, and the safety valve adjusts the inside of the refrigerator through the exhaust port High and low pressure safety in the freezer or storage room.

Preferably, the door of the refrigerator is provided with a pressure regulating valve, and the pressure regulating valve can adjust the air pressure inside the refrigerator to be level with the external air pressure by a manual pressing, and the air pressure locking device automatically opens the refrigerator door air lock, the refrigerator door The air lock locks the refrigerator door when the air pressure inside the refrigerator is lower or higher than the normal air pressure. The air lock is through the internal high pressure and low pressure or locks the refrigerator door; the high pressure presses the lock pin or locks the refrigerator door through the low pressure suction lock pin.

Preferably, the refrigerator is provided with a high-pressure anti-open safety door, and the refrigerator safety door is provided with a high-pressure locking device; the high-pressure locking device has an inner high-pressure ejection positioning pin locking, and the positioning pin is pushed out by a spring under normal pressure. Unlock.

Preferably, the vibration device of the refrigerator relates to mechanical vibration or electronic vibration or electromagnetic vibration generated mechanically.

Preferably, the refrigerator is provided with a microcomputer and a keyboard device.

Preferably, the refrigerator safety valve is provided with a device for ultra-safe high-pressure exhaust, high-pressure limit for ultra-safe low-pressure intake, and low-pressure limit.

Preferably, the refrigerator is provided with a sterilizing deodorant or a scent, a medicament;

The sterilizing and deodorizing agent or the syrup of the refrigerator is coupled with the positioning of the quantitative valve, the pipeline and the inflation valve in communication with the cold and storage chamber inlet holes.

Preferably, the refrigerator uses a refrigeration system and a pressure reducing device or a pressurizing device to manufacture a low pressure and low temperature space or a high pressure and low temperature extended fresh food.

Preferably, the refrigerator is provided with a local low pressure or high pressure space.

Preferably, the refrigerator adopts a refrigeration system and a pressurizing device to cooperate with the installation of a high-pressure frozen space to process the food.

Preferably, the refrigerator is subjected to flavoring or pickling treatment of the food by a pressurization device by pressurization to form a high pressure state.

Preferably, the gas for purifying the gas cylinder comprises carbon dioxide gas.

Preferably, the inside of the refrigerator is provided with a fragrance bottle or a medicine bottle which is positioned and coupled with the cold storage chamber through a valve and a pipe.

Beneficial effects:

Because the refrigerator adopts a low-pressure deodorizing and sterilizing fresh-keeping and high-pressure flavor-preserving decompression device and a supercharging device, and using a decompression pump to pump the dirty gas and the pathogenic fungus into the atmosphere, it is beneficial to food preservation, and the refrigerator is cooled. Room cleaning is a cumbersome problem, because low pressure decomposition and gaseous cleaning are very convenient, and pickling food under high pressure can effectively reduce the toxic and harmful chemical components slowly produced during the curing process, effectively preventing the deterioration of food due to food deterioration. The threat it poses.

The vibration treatment of the vibration device can quickly eliminate the odor and pathogenic mold in the food under low pressure, and the vibration treatment of the vibration device can quickly penetrate the food into the food under the high pressure, thereby shortening the curing time. It reduces the toxic and harmful substances of nitrite which are produced in large quantities during the curing process.

BRIEF DESCRIPTION OF THE DRAWINGS:

The technical solutions and advantages of the present invention will be described in detail with reference to the accompanying drawings in which the arrows indicate the flow direction of the gas, the difference between the pressure reducing valve or the exhaust valve and the safety valve, and the pressure reducing valve or the exhaust valve is One-way outward flow, the pressure booster valve flows in one direction, and the safety valve is two-way flow:

1 and 2 are schematic views of a refrigerator according to a first embodiment of the present invention.

detailed description:

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a refrigerator according to the present invention will be described in detail with reference to the accompanying drawings. In the first embodiment, a refrigerator casing (a refrigerator pressure-resistant casing 1 and a refrigerator pressure-resistant inner casing 7) and a pressure reducing device (decompression) are mainly used. Pump or vacuum pump 10, motor, pressure reducing valve or exhaust valve 8), boosting device (booster pump 15, motor, booster valve 14), cold storage chamber, safety valve 6, pipe as an example to illustrate, the present invention A variety of different combinations can be carried out on the basis of the embodiments. The present invention performs cleaning and sterilization according to high pressure or low pressure or high and low circulation modes, removes parasites, and eliminates the smell in the cold storage room, and quickly picks up the food. The treatment can achieve better results by deep treatment with sterilizing deodorant or carbon dioxide. By adding spices or aromatic drugs beneficial to health, especially aromatic drugs can also prevent and cure diseases.

Embodiment 1:

As shown in FIG. 1 and FIG. 2, a refrigerator according to a first embodiment of the present invention adopts a high-pressure, low-pressure circulation method for freezing and treating food, and is energy-saving and environmentally friendly, including a pressure-resistant casing of a refrigerator, and a drying filter 2 , capillary 3, refrigeration system 4, refrigerator housing 5, safety valve 6 (limit maximum pressure and limit minimum pressure), refrigerator pressure inner casing 7, pressure reducing valve or exhaust valve 8, refrigerator low pressure door 9, cold storage Room, decompression pump 10, decompression pump motor 11, refrigeration and refrigeration system 12, refrigerator high pressure lower door 13, booster valve 14, booster pump 15, booster pump motor 16;

A refrigerator door 2 is disposed on the pressure-resistant casing 1 of the refrigerator via a rotary coupling device. The cold storage chamber of the pressure-resistant casing 1 of the refrigerator is provided with an air inlet and an exhaust port, and the cold storage chamber is disposed in the pressure-resistant casing 1 of the refrigerator. A pressure reducing pump 10 is positioned and coupled to the pressure housing 1 , and the refrigerating chamber or the freezing chamber of the pressure resistant outer casing 1 of the refrigerator is coupled to the positioning of the decompression pump 10 via the exhaust valve 6 , and the plurality of exhaust valves 6 are connected via a pipe ( The number is not shown) the pressure reducing pump 10 is connected to the external atmospheric environment via a pipeline;

The refrigerator is provided with a high-pressure anti-open safety door, the safety door is provided with a manual safety valve 20, and the refrigerator safety door is provided with a high-pressure locking device 21;

The high-pressure locking device has an inner high-pressure ejection positioning pin, and is unlocked by a spring-extended positioning pin under normal pressure.

When refrigerating or freezing the food, the pollutant gas is first discharged from the decompression pump 10 to the outside atmosphere, the valve of the decompression pump 10 is automatically closed, and the cold storage chamber is in a low pressure or vacuum state, and the safety valve 6 adjusts the internal air pressure and the external air pressure. Flat, the refrigerator is cleaned.

When the food is quickly marinated, the food is prepared and placed in a high and low pressure circulation chamber, and the polluted gas in the high and low pressure circulation chamber is discharged from the decompression pump 10 to the outside atmosphere, and the valve of the decompression pump 10 is automatically closed. The cold storage chamber is in a low pressure or vacuum state, and the safety valve 6 leveles the internal air pressure and the external air pressure, and then the booster pump 15 pressurizes the high and low pressure circulation chamber through the pressure increasing valve 14 to be safe after the pressure keeping timing. The valve 6 leveles the internal air pressure and the external air pressure, and removes the pickled food. It can be quickly marinated or seasoned through low temperature to prevent food deterioration and avoid nutrient loss.

The refrigerator is added on the basis of the refrigeration system by a pressure reducing device (a pressure reducing pump or a vacuum pump 10, a motor, a pressure reducing valve or an exhaust valve 8) and a safety valve to manufacture a low pressure for deodorization and preservation, and a boosting device The pressure pump 15, the motor, the pressure increasing valve 14) is a refrigerator technical solution for manufacturing a high-pressure and low-pressure cycle changing environment with high pressure for freshening and freshening;

The refrigerator is provided with a pressure reducing device (a pressure reducing pump or a vacuum pump 10, a motor, a pressure reducing valve or an exhaust valve 8); the refrigerator passes through an exhaust port, an exhaust valve 6, a pressure reducing device (a pressure reducing pump or a vacuum pump) 10, motor, pressure reducing valve or exhaust valve 8) and piping to eliminate or reduce the gas inside the refrigerator; the refrigerator is provided with a boosting device (booster pump 15, motor, booster valve 14); The pressure port, the pressure increasing valve 14, the boosting device (booster pump 15, the motor, the boosting valve 14) and the pipe increase the gas pressure inside the refrigerator;

The pressure reducing device (the pressure reducing pump or the vacuum pump 10, the motor, the pressure reducing valve or the exhaust valve 8) provided on the refrigerator is coupled to the positioning of the exhaust port of the refrigerator casing through the exhaust valve 6; The supercharging device (booster pump 15, motor, booster valve 14) provided on the refrigerator is coupled to the positioning of the booster port on the inner side of the refrigerator casing via the booster valve 14; the decompression device of the refrigerator ( a pressure reducing pump or vacuum pump 10, a motor, a pressure reducing valve or an exhaust valve 8) and a boosting device (booster pump 15, motor, booster valve 14) are connected to the external atmosphere via a pipeline;

The refrigerator is provided with a safety valve, and the safety valve adjusts the high and low pressure safety of the freezing compartment or the storage compartment inside the refrigerator through the exhaust port.

A feasible implementation manner, as shown in FIG. 2, the refrigerator adopts a low-pressure or vacuum and atmospheric pressure cycle to treat the food, and is energy-saving and environmentally friendly, including the pressure-resistant casing of the refrigerator 1, the drying filter 2, the capillary 3, and the refrigeration. System 4, refrigerator housing 5, safety valve 6 (limit maximum pressure and limit minimum pressure), refrigerator pressure inner casing 7, refrigerator low pressure upper door 9, cold storage chamber, refrigeration system 12, refrigerator high pressure lower door 13, compressor;

The refrigerator is provided with a vibration device 18 that generates vibrations at a certain frequency, and the vibration device 18 can vibrate the articles placed inside the refrigerator via the vibration disk 17, and the vibration device 18 is sealed by the power supply line 19 connection.

The vibration device provided in the refrigerator relates to mechanical vibration or electronic vibration generated by mechanical means, or electromagnetic vibration.

The vibration device 18 provided in the refrigerator relates to mechanical vibration generated by mechanical means (such as vibration generated by rotation of an eccentric wheel) or electronic vibration (vibration motor or vibration generated by a vibration line), or electromagnetic vibration (low frequency current through an electromagnet) The vibration generated).

The vibrating plate 17 may be arranged in a mesh shape or a fence shape or a basket shape or a cylinder shape or a box shape, which will not be described herein.

A refrigerator door 2 is disposed on the pressure-resistant casing 1 of the refrigerator via a rotary coupling device. The cold storage chamber of the pressure-resistant casing 1 of the refrigerator is provided with an air inlet and an exhaust port, and the cold storage chamber is disposed in the pressure-resistant casing 1 of the refrigerator. A pressure pump 15 is locating and coupled to the pressure housing 1 , and the refrigerating chamber or the freezing chamber of the pressure resistant casing 1 of the refrigerator is coupled to the positioning of the booster pump 15 via the pressure increasing valve 14 , and the plurality of pressure increasing valves 14 are connected via a pipe ( The number is not shown) the booster pump 15 is connected to the external atmospheric environment via a pipeline;

A feasible implementation manner, as shown in FIG. 1-2, the refrigerator is added with a pressure reducing device (a pressure reducing pump or a vacuum pump 10, a motor, a pressure reducing valve or an exhaust valve 8) on the basis of the refrigeration system. The safety valve is manufactured at a low pressure for removing odor and preserving, and the refrigerator is provided with a pressure reducing device (a pressure reducing pump or a vacuum pump 10, a motor, a pressure reducing valve or an exhaust valve 8); the refrigerator is exhausted through an exhaust port, and the exhaust valve 8 , a pressure reducing device (a pressure reducing pump or vacuum pump 10, a motor, a pressure reducing valve or an exhaust valve 8) and a pipe to remove or reduce the gas inside the refrigerator;

The refrigerator adopts a high-pressure and atmospheric-pressure circulating method for freezing food, and is energy-saving and environmentally friendly, including a pressure-resistant casing of the refrigerator 1, a drying filter 2, a capillary tube 3, a refrigeration system 4, a refrigerator casing 5, and a safety valve 6 (restricting the highest pressure) And limit the minimum pressure), refrigerator pressure inner shell 7, refrigerator low pressure door 9, cold storage room, refrigeration system 12, refrigerator high pressure door 13, booster valve 14, booster pump 15, booster pump motor 16 a germicidal deodorant or perfume bottle (not shown);

The refrigerator adds a technical scheme of a refrigerator with a high pressure and a constant pressure cycle changing environment by using a supercharging device (booster pump 15, electric motor, pressure increasing valve 14) to manufacture a high pressure for freshening and normalizing;

The refrigerator is provided with a boosting device (booster pump 15, motor, booster valve 14); the refrigerator passes through a boost port, a boost valve 14, a boost device (booster pump 15, motor, booster valve 14) And the pipeline increases the gas pressure inside the refrigerator, and the gas is discharged through the safety valve to restore the internal pressure of the refrigerator;

The supercharging device (booster pump 15, motor, booster valve 14) disposed on the refrigerator is coupled to the positioning of the booster port on the inner side of the refrigerator casing via the boosting valve 14; the boosting device (booster pump) 15, the motor, the booster valve 14) is connected to the external atmosphere through the pipeline;

The refrigerator cold storage chamber may also be provided with ultraviolet or physical sterilization, and the refrigerator may also be provided with a microcomputer and a keyboard device to realize intelligent purification of food.

When the food is quickly marinated, the food is prepared and placed in a high pressure and atmospheric pressure circulation chamber, and the high pressure and low pressure circulation chamber is pressurized by the booster pump 15 via the pressure increasing valve 14, and is safely maintained after the pressure keeping timing. The valve 6 leveles the internal air pressure and the external air pressure, and removes the pickled food. It can be quickly marinated or seasoned in the low temperature to prevent food deterioration and reduce nutrient loss.

The refrigerator is provided with a boosting device (booster pump 15, motor, booster valve 14); the refrigerator is pressurized Port, booster valve 14, booster (booster pump 15, motor, booster valve 14) and piping increase the gas pressure inside the refrigerator; manufactured by booster (booster pump 15, motor, booster valve 14) a high-pressure, atmospheric-pressure cycle-changing environment of a refrigerator with high pressure; the supercharging device (booster pump 15, motor, booster valve 14) provided on the refrigerator is pressurized by a valve 14 and inside the refrigerator casing The positioning of the booster port communication is coupled together;

The supercharging device (booster pump 15, motor, booster valve 14) communicates with the external atmosphere through the pipeline;

A pressure regulating valve is disposed on the door of the refrigerator, and the pressure regulating valve can adjust the air pressure inside the refrigerator to be level with the external air pressure by a manual pressing method, and the air pressure locking device automatically opens the air pressure lock of the refrigerator door, and the air pressure lock of the refrigerator door is The refrigerator door is locked when the air pressure inside the refrigerator is lower or higher than the normal air pressure, and the air lock is locked through the internal high pressure and low pressure or the refrigerator door; the refrigerator door is locked by the high pressure pressing out of the lock pin or by the low pressure suction lock pin.

According to the above structure, since the cold storage chamber is provided in the pressure-resistant outer casing 11 of the refrigerator to ensure safety, since the low-pressure or air environment is used to remove mold and odor, manual scrubbing and sterilization are not required, and the existing chemical washing product is avoided. Chemical pollution, through high pressure, atmospheric or atmospheric pressure, low pressure, or high pressure, low pressure ambient pressure changes not only to remove mold and odor, but also effectively remove the bacteria or other harmful components on the food, high pressure pickling can also Shorten the time, avoid nutrient loss, very convenient, improve efficiency, and prevent the damage of food to people's health.

It can be known from the above structure that the refrigerator can be set as follows; the first scheme: low pressure or vacuum and atmospheric pressure circulation freezing, adding a pressure reducing device (a pressure reducing pump or a vacuum pump 10, a motor, a pressure reducing valve or an exhaust valve 8) and Safety valve 6; The second scheme: high pressure and atmospheric pressure circulation freezing, adding a boosting device (booster pump 15, motor, booster valve 14) and safety valve 6; the third scheme: high pressure and low pressure circulation freezing, increased a supercharging device (booster pump 15, motor, booster valve 14), a pressure reducing device (reducing pump or vacuum pump 10, motor, pressure reducing valve or exhaust valve 8) and a safety valve 6;

The pressure-resistant outer casing 1 of the refrigerator may be provided with a perfume bottle or a medicine bottle through a valve and a pipe and a cold storage chamber, and a temperature control device may be disposed on the cold storage chamber of the refrigerator to achieve deodorization and extension of the refrigerator. For example, a microcomputer and a keyboard device (not shown) may be disposed on the refrigerator to implement intelligent processing of food.

Although the refrigerator has been described as an example, the refrigerator of the present invention may also be implemented in a partial technical manner, and the low-pressure or vacuum sterilization food preservation method of the present invention may have more structural modes in the above. Structures such as the described embodiments and combinations of any other forms may be employed in the structure.

The present invention may be embodied and embodied in other specific forms without departing from the spirit and scope of the invention. The scope of the invention is defined by the claims, and all modifications within the scope of the claims are intended to fall within the scope of the invention.

Claims

A refrigerator comprising a refrigeration system, a refrigerator casing, a pressure reducing device, a pressure reducing device including a pressure reducing pump or a vacuum pump, a motor, a pressure reducing valve or an exhaust valve,

The utility model is characterized in that: the refrigerator is provided with a low-pressure and low-temperature space;

Or the refrigerator is provided with a pressure reducing device to eliminate the gas in the refrigerator to form a space of low air pressure and low temperature.
A refrigerator comprising a refrigeration system, a refrigerator casing, a supercharging device, a boosting device including a booster pump, a motor, a booster valve, and a safety valve,

The utility model is characterized in that: the refrigerator is provided with a space of high air pressure and low temperature;

Or the refrigerator is provided with a supercharging device that is pressurized to form a space with a high air pressure and a low temperature in the refrigerator.
A refrigerator including a refrigeration system, a refrigerator casing,

The utility model is characterized in that: the refrigerator is provided with a vibration device capable of generating vibration; the vibration device can vibrate an object placed inside the refrigerator.
A refrigerator including a refrigeration system, a refrigerator casing,

The utility model is characterized in that: the refrigerator is provided with a pressure reducing device or a pressure increasing device;

The pressure reducing device comprises a vacuum pump or a vacuum pump, a motor, a pressure reducing valve or an exhaust valve; the pressure reducing device can reduce the air pressure inside the refrigerator; and the frozen food is processed by low pressure or vacuum and atmospheric pressure;

The pressurization device comprises a booster pump, a motor, a booster valve, and a safety valve; the pressurizing device can increase the air pressure inside the refrigerator; and the frozen food is processed by high pressure and atmospheric pressure;

A low pressure, normal pressure or high pressure air pressure environment is formed on the inner side of the refrigerator to deodorize and quickly pickle the food in the refrigerator.
A refrigerator according to claims 1-4,

The invention is characterized in that the vibration device provided in the refrigerator relates to mechanical vibration or electronic vibration generated by mechanical means, or electromagnetic vibration.
A refrigerator according to any one of claims 1 to 4,

The utility model is characterized in that: the refrigerator is provided with a pressure reducing device and a pressure increasing device on the basis of a refrigeration system, and the pressure increasing device comprises a boosting pump, a motor, a pressure increasing valve, the pressure reducing device comprises a pressure reducing pump or a vacuum pump, a motor, Pressure reducing valve or exhaust valve and safety valve;

The refrigerator is based on a refrigeration system to manufacture a high pressure, a normal pressure and a low pressure air pressure cycle change environment, and a decompression device and a safety valve are used to manufacture a low pressure for deodorization and preservation, and a high pressure device for high pressure is used for flavor preservation and rapid pickling. Refrigerator technical solutions for high and low pressure cyclically changing environments;

The pressure reducing device disposed on the refrigerator excludes or reduces gas inside the refrigerator through an exhaust port, an exhaust valve, a pressure reducing device and a pipe;

Or the pressurization device of the refrigerator increases the gas pressure inside the refrigerator through a booster port, a booster valve, a pressurizing device and a pipe;

The pressure reducing device and the pressure increasing device of the refrigerator are respectively connected to the external atmospheric environment via a pipeline;

The refrigerator is provided with a safety valve, and the safety valve adjusts the high and low pressure safety of the freezing compartment or the storage compartment inside the refrigerator through the exhaust port.
A refrigerator according to any one of claims 1 to 4,

The utility model is characterized in that: the refrigerator is provided with a high-pressure anti-open safety door, and the refrigerator safety door is provided with a high-pressure locking device.
The refrigerator according to claim 1,

The utility model is characterized in that: the refrigerator adopts a refrigeration system and a pressure reducing device or a pressure increasing device to manufacture a low-pressure and low-temperature space or a high-pressure and low-temperature extended food preservation food.
A refrigerator according to any one of claims 1 to 4,

The utility model is characterized in that: the refrigerator is provided with a local low pressure or high pressure space.
The refrigerator according to claim 2,

The utility model is characterized in that: the pressure regulating valve is arranged on the door of the refrigerator, and the pressure regulating valve can adjust the air pressure inside the refrigerator to be level with the external air pressure by a manual pressing, and the air pressure locking device automatically opens the air pressure lock of the refrigerator door, the refrigerator The door air lock locks the refrigerator door when the air pressure inside the refrigerator is lower or higher than the normal air pressure. The air lock is through the internal high pressure and low pressure or locks the refrigerator door; the high pressure presses the lock pin or locks the refrigerator door through the low pressure suction lock pin .