Air-cooled refrigeration service cabinet for prolonging shelf life of fruits and vegetables

Abstract

The invention provides an air-cooled refrigeration service cabinet for prolonging the shelf life of fruits and vegetables, and relates to the technical field of refrigeration equipment. The air-cooled refrigeration service cabinet comprises a cabinet body, a refrigeration system, a drainage system, an air circulation system, a humidification system, an ozone system and a controller, a refrigeration cavity, an evaporation cavity and a machine room are arranged in the cabinet body, a drainage hole, an air outlet, an air return opening and a goods shelf are arranged in the refrigeration cavity, and the refrigeration system is used for maintaining the low-temperature environment of the cabinet body. The drainage system is used for discharging condensate water in the refrigeration cavity, the air circulation system is used for forming cold air flow circulation between the refrigeration cavity and the evaporation cavity, the humidification system is used for spraying water mist into the refrigeration cavity, and the ozone system is used for generating ozone to decompose ethylene generated by fruits and vegetables in the refrigeration cavity and eliminate microorganisms in the refrigeration cavity. And the controller is used for controlling the operation of other systems. The ethylene content in the air-cooled refrigeration service cabinet and the drying loss degree of fruits and vegetables are effectively reduced, the ripening and rotting of the fruits and vegetables are delayed, and the shelf life of the fruits and vegetables is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of refrigeration equipment, and in particular to an air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables. Background Art

[0002] Air-cooled refrigerated service cabinets are often used in large supermarkets or small convenience stores. The temperature in the shelf area is uniform and the frost on the cabinet wall is low. They are often used to store fruits, vegetables, fresh meat and other foods. Since the temperature inside the air-cooled refrigerated service cabinet is usually 2-7℃, which is higher than the freezing point of fruits and vegetables, it avoids the sales of foods in the cabinet due to frost damage. At the same time, the lower temperature also inhibits the physiological metabolic activities of fruits and vegetables and the production and reproduction of microorganisms, slowing down the decay of fruits and vegetables.

[0003] Since the ethylene produced by fruits and vegetables during storage accelerates the process of fruits and vegetables maturing, how to reduce the ethylene content plays an important role in delaying the maturation and aging of fruits and vegetables. At the same time, although the air-cooling design of the air-cooled refrigerated service cabinet greatly reduces the amount of frost on the cabinet wall and other locations, with the disturbance of the cold air flow, the moisture on the surface and inside of the fruits and vegetables continues to evaporate, resulting in an increase in the dryness of the fruits and vegetables, which is not conducive to the long-term storage of fruits and vegetables.

[0004] Therefore, it is urgent to propose an air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables, inhibiting the ethylene content produced by fruits and vegetables in the cabinet, reducing the dryness of fruits and vegetables, delaying the ripening, aging and corruption of fruits and vegetables, and increasing the shelf life of fruits and vegetables in the air-cooled refrigerated service cabinet. Summary of the invention

[0005] The present invention aims to solve the above-mentioned problem and proposes an air-cooled refrigerated serving cabinet for increasing the shelf life of fruits and vegetables. By suppressing the ethylene content in the air-cooled refrigerated serving cabinet and the degree of dry loss of stored fruits and vegetables, the ripening and decaying process of fruits and vegetables in the air-cooled refrigerated serving cabinet is delayed, thereby effectively increasing the shelf life of fruits and vegetables in the air-cooled refrigerated serving cabinet.

[0006] To achieve the above object, the present invention adopts the following technical solution:

[0007] A wind-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables comprises a cabinet body and a refrigeration system, a drainage system, an air circulation system, a humidification system, an ozone system and a controller arranged in the cabinet body, wherein the controller is respectively connected to the refrigeration system, the drainage system, the air circulation system, the humidification system and the ozone system and is used to control the operation of the refrigeration system, the drainage system, the air circulation system, the humidification system and the ozone system.

[0008] Preferably, a refrigeration chamber, an evaporation chamber and a machine compartment are provided in the cabinet;

[0009] A plurality of shelves are arranged in the refrigerating chamber for placing fruits and vegetables; a return air port is arranged on the front wall of the refrigerating chamber, and a first air outlet and a second air outlet are arranged on the rear wall from top to bottom, the first air outlet and the second air outlet are separated by an air dividing plate, and a drainage hole is arranged at the bottom of the refrigerating chamber for discharging condensed water in the refrigerating chamber;

[0010] The refrigeration system comprises a compressor, a condenser, an expansion valve and an evaporator, wherein the compressor and the condenser are arranged in a machine compartment, the evaporator is arranged in an evaporation chamber, and the compressor, the condenser, the expansion valve and the evaporator are connected through a connecting pipe to form a refrigeration cycle loop;

[0011] The drainage system is used to drain condensed water in the refrigeration chamber;

[0012] The air circulation system is used to form a cold air flow circulation between the refrigeration chamber and the evaporation chamber;

[0013] The humidification system is arranged in the refrigeration chamber and is used to spray water mist into the refrigeration chamber to reduce the dryness loss of fruits and vegetables in the refrigeration chamber;

[0014] The ozone system is arranged in the evaporation chamber, and is used to generate ozone to decompose ethylene produced by fruits and vegetables in the refrigeration chamber and eliminate microorganisms in the refrigeration chamber.

[0015] Preferably, the plurality of shelves are arranged at equal intervals in the refrigeration chamber in order from high to low.

[0016] Preferably, the inlet of the condenser is connected to the outlet of the compressor, the outlet of the condenser is connected to the inlet of the expansion valve, the outlet of the expansion valve is connected to the inlet of the evaporator, and the outlet of the evaporator is connected to the inlet of the compressor; the connecting pipe is filled with refrigerant.

[0017] Preferably, the drainage system includes a water receiving box and a monitoring terminal. The water receiving box is fixed to the bottom of the cabin and connected to the drainage hole through a drainage pipe. A sensor for measuring water level and temperature is provided in the water receiving box. The sensor is connected to the monitoring terminal, and the monitoring terminal is connected to the controller to transmit the water level and temperature of the condensed water in the water receiving box to the controller in real time.

[0018] Preferably, the air circulation system includes an evaporator fan, which is arranged in conjunction with the evaporator and located at the inlet side of the evaporator, and is used for forming a cold air flow circulation between the refrigeration chamber and the evaporator chamber; the evaporator fan drives the gas in the evaporator chamber to flow and exchanges heat with the refrigerant in the evaporator to form a cold air flow, and the cold air flow flows into the refrigeration chamber through the first air outlet and the second air outlet on the rear wall of the refrigeration chamber, and after cooling the refrigeration chamber, it flows back into the evaporator chamber through the return air outlet on the front wall of the refrigeration chamber and is sucked into the evaporator fan.

[0019] Preferably, the humidification system includes an atomizer, an exhaust pipe and a water suction pipe. The atomizer is arranged in the refrigeration chamber and connected to the water receiving box through the water suction pipe. The top of the atomizer is provided with an exhaust pipe. The atomizer is equipped with an atomizer control power supply, and the atomizer control power supply is connected to the controller.

[0020] Preferably, the inflow end of the water suction pipe is wrapped with filter gauze to prevent debris from entering the water suction pipe.

[0021] Preferably, the ozone system is configured as an ozone generator, which comprises a waterproof housing, an ionization chip, an exhaust fan and an ozone generator control power supply; the ionization chip is arranged in the waterproof housing to generate ozone; the exhaust fan is arranged on the waterproof housing to discharge the ozone generated by the ionization chip; the ozone generator control power supply is used to control the opening and closing of the ozone generator.

[0022] Preferably, the ozone generator control power supply is connected to the controller, the controller controls the ozone generator to turn on, and the exhaust fan rotates to discharge the ozone generated by the ionization chip into the refrigeration chamber through the first air outlet and the second air outlet, decomposes the ethylene generated by the fruits and vegetables in the refrigeration chamber and sterilizes the refrigeration chamber.

[0023] Beneficial technical effects brought by the present invention:

[0024] The present invention proposes an air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables. By arranging a drainage system and a humidification system, the condensed water that has not been completely evaporated in a water receiving box during the operation of the air-cooled refrigerated service cabinet is reused, which not only increases the humidity of the environment in the shelf area of ​​the refrigerated chamber and the water content on the surface of fruits and vegetables, but also effectively solves the problem of reduced dryness of fruits and vegetables due to air cooling.

[0025] At the same time, the air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables proposed by the present invention is also provided with a separately controlled ozone system, which utilizes the ozone system to generate ozone to decompose ethylene produced by fruits and vegetables in the air-cooled refrigerated service cabinet, thereby delaying the ripening and aging of fruits and vegetables in the container, and killing spoilage bacteria on the surface of fruits and vegetables, thereby effectively increasing the shelf life of fruits and vegetables in the air-cooled refrigerated service cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the air-cooled refrigerated service cabinet of the present invention.

[0027] In the figure: 1. compressor, 2. condenser, 3. condensing fan, 4. evaporator, 5. evaporating fan, 6. drain pipe, 7. water collecting box, 8. first air outlet, 9. second air outlet, 10. return air outlet, 11. air distribution plate, 12. shelf, 13. water suction pipe, 14. exhaust pipe, 15. atomizer, 16. atomizer control power supply, 17. ozone generator, 18. ozone generator control power supply, 19. sensor, 20. monitoring terminal, 21. controller. DETAILED DESCRIPTION

[0028] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0029] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0030] In the present invention, the directions or positional relationships indicated by terms such as "upper", "lower", "bottom", "top", etc. are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention. They do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.

[0031] In the present invention, terms such as "connected" and "connection" should be understood in a broad sense, indicating that the connection can be fixed, integral or detachable; it can be directly connected or indirectly connected through an intermediate medium. Relevant scientific research or technical personnel in this field can determine the specific meaning of the above terms in the present invention according to specific circumstances, and they should not be understood as limiting the present invention.

[0032] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0033] The present invention proposes an air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables. Figure 1 As shown, it includes a cabinet body and a refrigeration system, a drainage system, an air circulation system, a humidification system, an ozone system and a controller 21 arranged in the cabinet body. The controller is respectively connected to the refrigeration system, the drainage system, the air circulation system, the humidification system, and the ozone system, and is used to control the operation of the refrigeration system, the drainage system, the air circulation system, the humidification system, and the ozone system.

[0034] In this embodiment, a refrigeration chamber, an evaporation chamber and a machine compartment are provided in the cabinet, wherein a plurality of shelves 12 for placing fruits and vegetables are arranged at equal intervals in the refrigeration chamber. In order to facilitate customers to take goods, the shelves in the refrigeration chamber are arranged in descending order. A return air outlet 10 is provided on the front wall of the refrigeration chamber, and a first air outlet 8 and a second air outlet 9 are provided on the rear wall of the refrigeration chamber from top to bottom. The first air outlet 8 and the second air outlet 9 are separated by an air dividing plate. Air outlet grids are provided at the first air outlet 8 and the second air outlet 9. The flow direction and uniformity of cold air and ozone are controlled by adjusting the air outlet grids. A drainage hole is provided at the bottom of the refrigeration chamber for discharging condensed water in the refrigeration chamber.

[0035] The refrigeration system includes a compressor 1, a condenser 2, an expansion valve and an evaporator 4, wherein the compressor and the condenser are arranged in a machine compartment, the condenser is equipped with a condensing fan 3, and the evaporator is arranged in an evaporation chamber. The compressor, the condenser and the evaporator are respectively connected to a controller, and the controller is used to control the working states of the compressor, the condenser and the evaporator. The compressor, the condenser and the evaporator are connected through a connecting pipe to form a refrigeration cycle loop, wherein the inlet of the condenser is connected to the outlet of the compressor, the outlet of the condenser is connected to the inlet of the expansion valve, the outlet of the expansion valve is connected to the inlet of the evaporator, and the outlet of the evaporator is connected to the inlet of the compressor. Refrigerant is filled in the connecting pipe, and the refrigerant changes its own physical state by absorbing and releasing heat in the refrigeration system to achieve a refrigeration effect.

[0036] The drainage system is used to discharge the condensed water in the refrigeration chamber, and includes a water receiving box 7 and a monitoring terminal 20, wherein the water receiving box is fixed to the bottom of the cabin and is connected to the drainage hole through a drainage pipe 6, and the refrigeration chamber flows into the water receiving box through the drainage hole at the bottom of the refrigeration chamber through the drainage pipe, and a sensor 19 is provided in the water receiving box for measuring the water level and temperature of the condensed water in the water receiving box. The sensor 19 is connected to the monitoring terminal 20, and the monitoring terminal is connected to the controller for transmitting the water level and temperature measured by the sensor to the controller in real time, so as to help the controller determine whether there is sufficient condensed water in the water receiving box for use by the humidification system.

[0037] The air circulation system is used to form a cold air flow circulation between the refrigeration chamber and the evaporation chamber, and includes an evaporator fan 5. The evaporator fan 5 is matched with the evaporator 4 and is located at the inlet side of the evaporator to form a cold air flow circulation between the refrigeration chamber and the evaporation chamber. The evaporator fan drives the gas in the evaporation chamber to flow and exchanges heat with the refrigerant in the evaporator to form a cold air flow. The cold air flows into the refrigeration chamber through the first air outlet and the second air outlet on the rear wall of the refrigeration chamber. After cooling the refrigeration chamber, it flows back to the evaporation chamber through the return air port on the front wall of the refrigeration chamber and is sucked into the evaporator fan, so that the refrigeration chamber is filled with cold air, ensuring that the fruits and vegetables in the refrigeration chamber are in a low temperature environment of 2 to 7°C.

[0038] The humidification system is arranged in the refrigeration chamber, and is used to spray water mist into the refrigeration chamber to reduce the dryness of fruits and vegetables in the refrigeration chamber, and includes an atomizer 15, an exhaust pipe 14 and a water suction pipe 13. The atomizer is arranged in the refrigeration chamber, and is connected to the water receiving box through the water suction pipe. The inflow end of the water suction pipe is wrapped with filter gauze to prevent debris from entering the water suction pipe. The top of the atomizer is provided with an exhaust pipe. The atomizer is equipped with an atomizer control power supply 16, and the atomizer control power supply is connected to the controller to control the working state of the atomizer. In this embodiment, the operation of the atomizer can be controlled not only according to the liquid level height of the condensed water in the water receiving box, but also a timer is arranged in the atomizer control power supply, and the operation of the atomizer can be controlled by the timer. The atomizer control power supply is powered on every 4 hours by the timer to control the atomizer to work for 3 to 5 minutes, thereby realizing the timed preservation in the refrigeration chamber. In this embodiment, condensed water in the water receiving box is sucked into the atomizer through the water suction pipe, and is discharged through the exhaust pipe after being atomized to form water mist. At this time, the cold air flow blown out from the first air outlet and the second air outlet drives the water mist discharged from the atomizer exhaust pipe to spray on the surface of fruits and vegetables in the refrigerated cavity, thereby reducing the degree of dryness of fruits and vegetables in the refrigerated cavity.

[0039] The ozone system is arranged in the evaporation chamber, and is used to generate ozone to decompose the ethylene produced by fruits and vegetables in the refrigeration chamber and eliminate the microorganisms in the refrigeration chamber. In this embodiment, the ozone system is arranged as an ozone generator 17, and the ozone generator further comprises a waterproof shell, an ionization chip, an exhaust fan and an ozone generator control power supply 18, wherein the ionization chip is arranged in the waterproof shell, and is used to generate ozone; the exhaust fan is arranged on the waterproof shell, and is used to discharge the ozone produced by the ionization chip; the ozone generator control power supply is used to control the opening and closing of the ozone generator, and a timer is arranged inside to control the intermittent operation of the ozone generator, so as to avoid the ozone generator from producing too high a concentration of ozone that harms the human body. The ozone generator control power supply is connected to the controller. The ozone generator is turned on by the controller, and the exhaust fan rotates to discharge the ozone produced by the ionization chip into the refrigeration chamber through the first air outlet and the second air outlet, decomposing the ethylene produced by fruits and vegetables in the refrigeration chamber and killing the bacteria and other microorganisms in the refrigeration chamber, thereby delaying the ripening, aging and decay of fruits and vegetables in the refrigeration chamber.

[0040] It can be concluded that the air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables proposed in this embodiment delays the ripening, aging and corruption of fruits and vegetables in the air-cooled refrigerated service cabinet by controlling the operation of the ozone system and the humidification system, thereby increasing the shelf life of fruits and vegetables in the air-cooled refrigerated service cabinet.

[0041] The working process of the air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables proposed in this embodiment is as follows:

[0042] The controller is used to control the start-up of the refrigeration system of the air-cooled refrigerated service cabinet. The evaporator fan in the refrigeration system drives the air flow in the evaporator cavity and exchanges heat with the condensing agent in the evaporator to form cold air. The cold air is blown by the evaporator fan to flow into the refrigerated cavity through the first air outlet and the second air outlet, forming an air curtain flowing in the refrigerated cavity. After lowering the air temperature in the refrigerated cavity, it flows back to the evaporator cavity through the return air port, forming an air circulation, thereby ensuring that the air in the refrigerated cavity is always maintained within the preset temperature range, delaying the ripening and decay of fruits and vegetables in the refrigerated cavity.

[0043] At the same time, when the sensor in the water receiving box detects that the water level in the water receiving box has reached a preset height, the controller controls the humidification system to operate, and the atomizer controls the power supply to turn on the atomizer, so that the condensed water in the water receiving box is sucked into the atomizer through the suction pipe and atomized, and the atomized water mist is discharged through the exhaust pipe and diffused to the entire refrigeration chamber along with the wind curtain formed by the cold air flow.

[0044] The controller controls the operation of the ozone system, and the ozone generator controls the power supply to turn on the ozone generator. The ozone generated by the ozone generator is discharged into the refrigerating chamber through the first air outlet and the second air outlet along with the cold air generated in the evaporation chamber. The ozone can be used to decompose the ethylene generated by the fruits and vegetables in the refrigerating chamber to avoid the premature maturity of the fruits and vegetables in the refrigerating chamber, and can also kill microorganisms such as spoilage bacteria on the surface of the fruits and vegetables, and delay the decay of the fruits and vegetables in the refrigerating chamber.

[0045] Furthermore, the air-cooled refrigerated service cabinet in the present embodiment used to increase the shelf life of fruits and vegetables can intermittently adjust the operation of the humidification system and the ozone system according to factors such as the number of fruits and vegetables placed in the air-cooled refrigerated service cabinet and the frequency of changing goods, so as to facilitate management personnel to adjust the storage environment in the air-cooled refrigerated service cabinet in real time.

[0046] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not a limitation of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the protection scope of the present invention.

Claims

1. An air-cooled refrigerated serving cabinet for increasing the shelf life of fruits and vegetables, characterized in that: It includes a cabinet body and a refrigeration system, a drainage system, an air circulation system, a humidification system, an ozone system and a controller arranged in the cabinet body. The controller is respectively connected to the refrigeration system, the drainage system, the air circulation system, the humidification system and the ozone system to control the operation of the refrigeration system, the drainage system, the air circulation system, the humidification system and the ozone system.

2. The air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables according to claim 1, characterized in that: The cabinet is provided with a refrigeration chamber, an evaporation chamber and a machine compartment; A plurality of shelves are arranged in the refrigerating chamber for placing fruits and vegetables; a return air port is arranged on the front wall of the refrigerating chamber, and a first air outlet and a second air outlet are arranged on the rear wall from top to bottom, the first air outlet and the second air outlet are separated by an air dividing plate, and a drainage hole is arranged at the bottom of the refrigerating chamber for discharging condensed water in the refrigerating chamber; The refrigeration system comprises a compressor, a condenser, an expansion valve and an evaporator, wherein the compressor and the condenser are arranged in a machine compartment, the evaporator is arranged in an evaporation chamber, and the compressor, the condenser, the expansion valve and the evaporator are connected through a connecting pipe to form a refrigeration cycle loop; The drainage system is used to drain condensed water in the refrigeration chamber; The air circulation system is used to form a cold air flow circulation between the refrigeration chamber and the evaporation chamber; The humidification system is arranged in the refrigeration chamber and is used to spray water mist into the refrigeration chamber to reduce the dryness loss of fruits and vegetables in the refrigeration chamber; The ozone system is arranged in the evaporation chamber, and is used to generate ozone to decompose ethylene produced by fruits and vegetables in the refrigeration chamber and eliminate microorganisms in the refrigeration chamber.

3. The air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables according to claim 2, characterized in that: The plurality of shelves are arranged at equal intervals in a descending order within the refrigeration chamber.

4. The air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables according to claim 2, characterized in that: The inlet of the condenser is connected to the outlet of the compressor, the outlet of the condenser is connected to the inlet of the expansion valve, the outlet of the expansion valve is connected to the inlet of the evaporator, and the outlet of the evaporator is connected to the inlet of the compressor; the connecting pipe is filled with refrigerant.

5. The air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables according to claim 2, characterized in that: The drainage system includes a water receiving box and a monitoring terminal. The water receiving box is fixed to the bottom of the cabin and is connected to the drainage hole through a drainage pipe. A sensor for measuring water level and temperature is arranged in the water receiving box. The sensor is connected to the monitoring terminal. The monitoring terminal is connected to the controller to transmit the water level and temperature of the condensed water in the water receiving box to the controller in real time.

6. The air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables according to claim 2, characterized in that: The air circulation system includes an evaporator fan, which is matched with the evaporator and located at the inlet side of the evaporator to form a cold air flow circulation between the refrigeration chamber and the evaporator chamber; the evaporator fan drives the gas in the evaporator chamber to flow and exchanges heat with the refrigerant in the evaporator to form a cold air flow, which flows into the refrigeration chamber through the first air outlet and the second air outlet on the rear wall of the refrigeration chamber, and after cooling the refrigeration chamber, flows back into the evaporator chamber through the return air outlet on the front wall of the refrigeration chamber and is sucked into the evaporator fan.

7. The air-cooled refrigerated serving cabinet for increasing the shelf life of fruits and vegetables according to claim 1, characterized in that: The humidification system includes an atomizer, an exhaust pipe and a water suction pipe. The atomizer is arranged in the refrigeration chamber and connected to the water receiving box through the water suction pipe. The top of the atomizer is provided with an exhaust pipe. The atomizer is equipped with an atomizer control power supply, and the atomizer control power supply is connected to the controller.

8. The air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables according to claim 7, characterized in that: The inflow end of the water suction pipe is wrapped with filter gauze to prevent debris from entering the water suction pipe.

9. The air-cooled refrigerated serving cabinet for increasing the shelf life of fruits and vegetables according to claim 2, characterized in that: The ozone system is configured as an ozone generator, which includes a waterproof housing, an ionization chip, an exhaust fan and an ozone generator control power supply; the ionization chip is disposed in the waterproof housing to generate ozone; the exhaust fan is disposed on the waterproof housing to discharge the ozone generated by the ionization chip; The ozone generator control power supply is used to control the opening and closing of the ozone generator.

10. The air-cooled refrigerated service cabinet for increasing the shelf life of fruits and vegetables according to claim 9, characterized in that: The ozone generator control power supply is connected to the controller, and the controller controls the ozone generator to start, and the exhaust fan rotates to discharge the ozone generated by the ionization chip into the refrigeration chamber through the first air outlet and the second air outlet, decomposes the ethylene generated by the fruits and vegetables in the refrigeration chamber, and sterilizes the refrigeration chamber.

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