Plasma sterilization and fresh-keeping storage device

Abstract

The utility model relates to the field of agricultural product preservation, and discloses a plasma sterilization and preservation storage device which comprises a storage box body, a placing disc is arranged in the storage box body, a plurality of ventilation holes are formed in the top face of the placing disc in an array mode, and a protective cover is fixedly installed on the top face of the storage box body. External gas enters the plasma generator through the gas supply pipe and generates plasma gas, at the moment, the fan operates to pressurize the plasma gas in the gas storage tank and convey the plasma gas into the gas collection box through the gas guide pipe, and the plasma gas entering the gas collection box enters the connecting pipe through the L-shaped connecting pipe and is exhausted through the exhaust pipe. According to the device, fruit and vegetable food materials placed on the middle-layer placing disc and the lower-layer placing disc can be disinfected and sterilized conveniently, the sterilization efficiency of the fruit and vegetable food materials is improved, the device can sterilize and preserve the fruit and vegetable food materials on the multiple layers of placing discs, meanwhile, plasma gas can remove peculiar smells on the surfaces of food, and the quality and taste of the food are improved.

Description

Technical Field

[0001] The present application belongs to the technical field of agricultural product preservation, and specifically relates to a plasma sterilization and preservation storage device. Background Art

[0002] Fresh-keeping storage devices are generally devices used to extend the freshness of food. These devices use different technologies to prevent food from spoiling and slow down the process of food spoilage, thereby extending its shelf life.

[0003] For example, a utility model patent with announcement number CN211746588U discloses a preservation device suitable for vegetables and fruits, including a preservation cabinet, a preservation cavity is arranged inside the preservation cabinet, the preservation cavity is divided into a plurality of storage chambers by partitions, the bottom surface of each group of the partitions is fixedly connected to an ultraviolet irradiation device, a plurality of cold air nozzles are fixedly connected to the top of the preservation cavity, one end of the cold air nozzle is fixedly connected to a refrigerator, an ozone generator is fixedly connected to the inside of the preservation cabinet located at the bottom of the preservation cavity, the ozone generator is connected to an ozone release device, and the ozone release device is fixedly connected to the bottom of the preservation cavity. The utility model has the advantages of being able to classify and preserve fruits and vegetables, having a good preservation effect, and being able to sterilize, and is mainly used for the preservation of fruits and vegetables.

[0004] The device diffuses the ozone released by the ozone release device from the upper end of the fresh-keeping chamber downward through a cooling return pipe, a refrigerator, an air guide pipe and a cold air nozzle, so that the ozone disinfects and sterilizes the fruits and vegetables. However, a plurality of partitions are arranged inside the fresh-keeping cabinet of the device. Since no gas flow holes are provided on the partitions, the ozone sprayed from the cold air nozzle is blocked. When the cold air nozzle sprays ozone, it can only disinfect and sterilize the fruits and vegetables on the uppermost layer, and cannot disinfect and sterilize the fruits and vegetables on the lower layer well. Therefore, a plasma sterilization and fresh-keeping storage device is provided. Utility Model Content

[0005] The purpose of this application is to provide a plasma sterilization and fresh-keeping storage device in order to solve the above-mentioned problems.

[0006] The technical solution adopted in the present application is as follows: A plasma sterilization and fresh-keeping storage device comprises a storage box, a placing plate is arranged inside the storage box, a plurality of through holes are provided in an array on the top surface of the placing plate, a protective cover is fixedly installed on the top surface of the storage box, a plurality of ventilation holes are respectively provided on the left and right sides of the protective cover, a plasma generator is fixedly installed on the top surface of the storage box located inside the protective cover, an air inlet end of the plasma generator extends to the outside of the protective cover and is connected to an external air supply pipe, a gas storage tank is fixedly installed on the gas outlet end of the plasma generator, a fan is fixedly installed inside the gas storage tank, an air guide pipe is fixedly installed on one end of the gas storage tank away from the plasma generator, one end of the air guide pipe passes through the top surface of the storage box and extends to the inside thereof, a gas collecting box is fixedly installed on the inner top surface of the storage box, an exhaust hole is provided on the bottom surface of the gas collecting box, an L-shaped connecting pipe is fixedly installed on the side of the gas collecting box, a plurality of connecting pipes are symmetrically fixedly installed on the outer surface of the L-shaped connecting pipe, and exhaust pipes are fixedly installed on the outer surfaces of the plurality of connecting pipes.

[0007] In a preferred embodiment, the inner side wall of the storage box body is symmetrically provided with slide grooves, and the side of the display plate is fixedly mounted with a slider corresponding to the slide groove, and the slider is inserted into the inside of the slide groove.

[0008] In a preferred embodiment, a liquid storage box is provided on the inner bottom surface of the storage box, and a draw groove is provided on one side of the liquid storage box.

[0009] In a preferred embodiment, a mounting frame is fixedly mounted on the rear side of the storage box, and a refrigeration assembly is fixedly mounted inside the mounting frame.

[0010] In a preferred embodiment, a control panel is fixedly mounted on the front side of the protective cover, and the plasma generator and the fan are electrically connected to the control panel.

[0011] In a preferred embodiment, a plurality of universal wheels with brakes are rotatably connected to the bottom surface of the storage box.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0013] 1. In the present application, due to the adoption of the above-mentioned scheme, the user first opens the external air supply pipe, so that the external air enters the interior of the plasma generator through the air supply pipe and generates plasma gas, and the plasma gas enters the interior of the gas storage tank through the air outlet end. At this time, the fan runs to pressurize the plasma gas inside the gas storage tank and transports it to the interior of the gas collecting box through the air guide pipe. After the plasma gas enters the interior of the gas collecting box, part of it will be discharged through the exhaust hole to disinfect and sterilize the fruits and vegetables on the upper placement plate. At this time, the plasma gas continues to enter the interior of the gas collecting box through the L-shaped connecting pipe and enters the interior of the connecting pipe and is discharged through the exhaust pipe, thereby facilitating the disinfection and sterilization of the fruits and vegetables placed on the middle and lower placement plates, thereby improving the sterilization efficiency of the fruits and vegetables. The device can not only sterilize and preserve the fruits and vegetables on the multi-layer placement plates, but also the plasma gas can remove the odor on the surface of the food, thereby improving the quality and taste of the food. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of this application;

[0015] Figure 2 This is a schematic diagram of the internal structure of the protective cover of this application;

[0016] Figure 3 For this application Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 4 This is a schematic diagram of the installation frame structure of this application.

[0018] Markings in the figure: 1. Storage box; 2. Placement plate; 3. Through hole; 4. Protective cover; 5. Ventilation hole; 6. Plasma generator; 7. Gas storage tank; 8. Fan; 9. Air duct; 10. Gas collecting box; 11. Exhaust hole; 12. L-shaped connecting pipe; 13. Connecting pipe; 14. Exhaust pipe; 15. Slide; 16. Slider; 17. Liquid storage box; 18. Installation frame; 19. Refrigeration component; 20. Control panel; 21. Universal wheel with brake. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] refer to Figure 1-Figure 4A plasma sterilization and fresh-keeping storage device includes a storage box 1, a mounting frame 18 is fixedly installed on the rear side of the storage box 1, and a refrigeration component 19 is fixedly installed inside the mounting frame 18; the mounting frame 18 is provided to facilitate the installation of the refrigeration component 19, and the refrigeration component 19 is provided to facilitate the refrigeration operation inside the storage box 1, thereby improving the fresh-keeping effect of food. The refrigeration component 19 can be a common refrigeration component composed of a compressor, a condenser, an expansion valve and an evaporator.

[0021] refer to Figure 1 The bottom surface of the storage box 1 is rotatably connected with a plurality of universal wheels 21 with brakes; the universal wheels 21 with brakes are provided to facilitate the movement of the storage box 1.

[0022] refer to Figure 1 , Figure 2 and Figure 3 A display plate 2 is arranged inside the storage box 1, and a plurality of through holes 3 are arranged in an array on the top surface of the display plate 2. A slide groove 15 is symmetrically arranged on the inner wall of the storage box 1. A slider 16 corresponding to the slide groove 15 is fixedly installed on the side of the display plate 2, and the slider 16 is inserted into the inside of the slide groove 15; the display plate 2 is provided to facilitate the placement of fruits, vegetables or other ingredients, and the ventilation holes 3 are provided to facilitate the circulation of gas. The slide groove 15 is provided to facilitate the insertion of the slider 16 inside, so that personnel can install the display plate 2 inside the storage box 1 conveniently.

[0023] refer to Figure 1 , Figure 2 A protective cover 4 is fixedly installed on the top surface of the storage box 1, and a plurality of ventilation holes 5 are respectively opened on the left and right sides of the protective cover 4. A plasma generator 6 is fixedly installed on the top surface of the storage box 1 inside the protective cover 4. The air inlet end of the plasma generator 6 extends to the outside of the protective cover 4 and is connected to the external air supply pipe. A gas storage tank 7 is fixedly installed on the air outlet end of the plasma generator 6; the protective cover 4 is provided to facilitate dust and waterproof protection of the plasma generator 6. A cover plate is installed on the top surface of the protective cover 4 by means of provided bolts. The personnel can remove the cover plate by unscrewing the bolts. The air inlet end of the plasma generator 6 is connected to the external air supply pipe. The gas supply pipe is connected, and the gas supplied inside the gas supply pipe can be nitrogen, argon, hydrogen, etc. After the gas enters the interior of the plasma generator 6, the gas is heated by electrodes or other means to obtain sufficient energy. The atoms or molecules in the gas absorb sufficient energy, and the electrons are excited to a high energy level, thereby leaving the atoms or molecules to form positively charged ions and negatively charged electrons. These ions and electrons constitute plasma, which can move freely in a high energy state and have high heat and reactivity to generate plasma gas. The plasma gas enters the interior of the gas storage tank 7 through the gas outlet end of the plasma generator 6.

[0024] refer to Figure 1 , Figure 2 A fan 8 is fixedly installed inside the gas tank 7, and an air duct 9 is fixedly installed at one end of the gas tank 7 away from the plasma generator 6. One end of the air duct 9 passes through the top surface of the storage box 1 and extends into the interior thereof; by running the fan 8, the plasma gas inside the gas tank 7 is pressurized and transported to the interior of the air duct 9.

[0025] refer to Figure 2 A gas collecting box 10 is fixedly installed on the inner top surface of the storage box 1, and an exhaust hole 11 is opened on the bottom surface of the gas collecting box 10; through the set gas collecting box 10 and exhaust hole 11, it is convenient to discharge the plasma gas, so as to facilitate the disinfection and sterilization operation of the fruit and vegetable ingredients on the plate 2.

[0026] refer to Figure 1 , Figure 2 An L-shaped connecting pipe 12 is fixedly installed on the side of the gas collecting box 10, and a plurality of connecting pipes 13 are symmetrically fixedly installed on the outer surface of the L-shaped connecting pipe 12, and an exhaust pipe 14 is fixedly installed on the outer surface of the plurality of connecting pipes 13; through the arrangement of the L-shaped connecting pipe 12, the connecting pipe 13 and the exhaust pipe 14, it is convenient to discharge the plasma gas, so as to facilitate better disinfection and sterilization of fruit and vegetable ingredients placed on multiple layers, thereby improving efficiency.

[0027] refer to Figure 1 , Figure 3 A liquid storage box 17 is provided on the inner bottom surface of the storage box 1, and a pull groove is opened on one side of the liquid storage box 17; the liquid storage box 17 is provided to collect water dripping from the fruit and vegetable ingredients on the display plate 2, and to avoid water on the fruit and vegetable ingredients after washing from dripping into the storage box 1 to affect the use. The pull groove is provided to facilitate personnel to pull out the liquid storage box 17 to uniformly process the water collected inside.

[0028] refer to Figure 1 A control panel 20 is fixedly installed on the front side of the protective cover 4, and the plasma generator 6 and the fan 8 are electrically connected to the control panel 20; through the control panel 20, it is convenient for personnel to control the start and stop of the plasma generator 6 and the fan 8. The control panel 20 is embedded in the front and rear sides of the protective cover 4 and is equipped with control elements such as a PLC controller or a single-chip microcomputer, etc., which is convenient for controlling the start and stop of the equipment.

[0029] The implementation principle of the plasma sterilization and fresh-keeping storage device embodiment of the present application is as follows: the user first places the fruit and vegetable ingredients to be stored on the placement plate 2, and then inserts the slider 16 into the inside of the slide groove 15 to install multiple placement plates 2. At this time, the user closes the installed box door on the storage box 1 to seal it, and then opens the external air supply pipe, so that the external gas enters the interior of the plasma generator 6 through the air supply pipe and generates plasma gas, and the plasma gas enters the interior of the gas storage tank 7 through the air outlet. At this time, the user starts the fan 8, and the fan 8 runs to pressurize the plasma gas inside the gas storage tank 7 and transports it to the gas collecting box 10 through the air guide pipe 9. When the plasma gas enters the interior of the gas collecting box 10, part of it will be discharged through the exhaust hole 11 to disinfect and sterilize the fruits and vegetables on the upper placing plate 2. At this time, the plasma gas continues to enter the interior of the gas collecting box 10 and enters the interior of the connecting pipe 13 through the L-shaped connecting pipe 12 and is discharged through the exhaust pipe 14, thereby facilitating the disinfection and sterilization of the fruits and vegetables placed on the middle and lower placing plates 2, thereby improving the sterilization efficiency of the fruits and vegetables. The device has a simple structure and is easy to operate. It can not only sterilize and preserve the fruits and vegetables on the multi-layer placing plates 2, but also remove the odor on the surface of the food, thereby improving the quality and taste of the food.

[0030] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A plasma sterilization and fresh-keeping storage device, comprising a storage box (1), characterized in that: A display plate (2) is arranged inside the storage box (1), and a plurality of through holes (3) are arranged in an array on the top surface of the display plate (2). A protective cover (4) is fixedly mounted on the top surface of the storage box (1), and a plurality of ventilation holes (5) are respectively arranged on the left and right sides of the protective cover (4). A plasma generator (6) is fixedly mounted on the top surface of the storage box (1) and located inside the protective cover (4). The air inlet end of the plasma generator (6) extends to the outside of the protective cover (4) and is connected to an external air supply pipe. A gas storage tank (7) is fixedly mounted on the air outlet end of the plasma generator (6), and the interior of the gas storage tank (7) is fixedly mounted. A fan (8) is fixedly installed, an air guide pipe (9) is fixedly installed on one end of the gas storage tank (7) away from the plasma generator (6), one end of the air guide pipe (9) passes through the top surface of the storage box (1) and extends into the interior thereof, a gas collecting box (10) is fixedly installed on the internal top surface of the storage box (1), an exhaust hole (11) is provided on the bottom surface of the gas collecting box (10), an L-shaped connecting pipe (12) is fixedly installed on the side of the gas collecting box (10), a plurality of connecting pipes (13) are symmetrically fixedly installed on the outer surface of the L-shaped connecting pipe (12), and an exhaust pipe (14) is fixedly installed on the outer surface of each of the plurality of connecting pipes (13).

2. A plasma sterilization and fresh-keeping storage device as claimed in claim 1, characterized in that: The inner side wall of the storage box (1) is symmetrically provided with sliding grooves (15), and the side of the display plate (2) is fixedly provided with sliding blocks (16) corresponding to the sliding grooves (15), and the sliding blocks (16) are inserted into the interior of the sliding grooves (15).

3. A plasma sterilization and fresh-keeping storage device as claimed in claim 1, characterized in that: A liquid storage box (17) is provided on the inner bottom surface of the storage box body (1), and a draw groove is provided on one side of the liquid storage box (17).

4. A plasma sterilization and fresh-keeping storage device as claimed in claim 1, characterized in that: A mounting frame (18) is fixedly mounted on the rear side of the storage box (1), and a refrigeration assembly (19) is fixedly mounted inside the mounting frame (18).

5. The plasma sterilization and fresh-keeping storage device according to claim 1, characterized in that: A control panel (20) is fixedly mounted on the front side of the protective cover (4), and the plasma generator (6) and the fan (8) are electrically connected to the control panel (20).

6. The plasma sterilization and fresh-keeping storage device according to claim 1, characterized in that: The bottom surface of the storage box (1) is rotatably connected to a plurality of universal wheels (21) with brakes.

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