Refrigerator with liquid nitrogen cooling function

Abstract

The refrigerating machine with the liquid nitrogen cooling function comprises a base, an alcohol box is fixedly connected to the upper surface of the base, a circulating pump is arranged on the upper surface of the alcohol box, the output end of the circulating pump is fixedly connected with a conveying pipe, and a stainless steel plate heat preservation box is fixedly connected to the upper surface of the base. A box door is arranged on the front surface of the stainless steel plate heat preservation box, and a liquid nitrogen tank is fixedly connected to the upper surface of the stainless steel plate heat preservation box. Through arrangement of a liquid nitrogen tank, a cold conveying pipe, a stop valve, a liquid nitrogen box, a connecting plate and an air hole, the freezing rate of alcohol in a conveying pipe can be greatly increased, so that the using effect of the equipment is improved, and through arrangement of a connecting shaft, fan blades, a synchronous wheel, a belt, a driving motor and a rotating shaft, cold air emitted by liquid nitrogen in the liquid nitrogen box can be diffused; therefore, it is ensured that objects in the stainless steel plate heat preservation box can be evenly and rapidly cooled, and then the cooling effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of refrigeration technology, and in particular to a refrigeration machine with liquid nitrogen cooling function. Background Technology

[0002] A refrigeration unit is a device used to lower temperatures by consuming energy to transfer heat from a low-temperature region to a high-temperature region. Refrigeration units are widely used in homes, businesses, and industries for applications such as air conditioning, refrigeration, freezing of food, and cooling of medical equipment.

[0003] However, traditional refrigeration machines still have certain drawbacks, such as the inability to provide sufficient cooling capacity, which prevents items from cooling down quickly and affects the refrigeration effect. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a refrigeration machine with liquid nitrogen cooling function. By setting up a liquid nitrogen tank, a cold delivery pipe, a shut-off valve, a liquid nitrogen box, a connecting plate, and a vent, the freezing rate of alcohol inside the delivery pipe can be greatly improved, thereby improving the use effect of the equipment. Furthermore, by setting up a connecting shaft, fan blades, a synchronous pulley, a belt, a drive motor, and a rotating shaft, the cold gas emitted from the liquid nitrogen inside the liquid nitrogen box can be diffused, thereby ensuring that the items inside the stainless steel plate insulated box can be cooled evenly and rapidly, thus improving the cooling effect.

[0005] This utility model also provides a refrigerator with the above-mentioned liquid nitrogen cooling function, including:

[0006] The base has an alcohol tank fixedly connected to its upper surface. A circulation pump is installed on the upper surface of the alcohol tank, and a delivery pipe is fixedly connected to the output end of the circulation pump. A stainless steel plate insulated box is fixedly connected to the upper surface of the base. A door is provided on the front surface of the stainless steel plate insulated box. A liquid nitrogen tank is fixedly connected to the upper surface of the stainless steel plate insulated box. A cold transfer pipe is provided at the output end of the liquid nitrogen tank. A shut-off valve is provided on the outer surface of the cold transfer pipe. A liquid nitrogen box is provided at the end of the cold transfer pipe away from the liquid nitrogen tank. A connecting plate is fixedly connected to the upper surface of the liquid nitrogen box. A vent is provided on the outer surface of the connecting plate. A stainless steel partition is fixedly connected to the inner surface of the stainless steel plate insulated box.

[0007] The inner surface of the stainless steel partition is rotatably connected to a connecting shaft, the outer surface of the connecting shaft is fixedly connected to a fan blade, the outer surface of the connecting shaft is fixedly connected to a synchronous pulley, the inner surface of the synchronous pulley is provided with a belt, the upper surface of the base is fixedly connected to a drive motor, the output end of the drive motor is fixedly connected to a rotating shaft, and the outer surface of the rotating shaft is fixedly connected to a drive wheel.

[0008] According to the aforementioned refrigeration unit with liquid nitrogen cooling function, a handle is provided on the front surface of the cabinet door to facilitate opening the door. The cabinet door is made of stainless steel insulation board to improve the insulation effect inside the stainless steel insulation box.

[0009] According to the aforementioned refrigeration machine with liquid nitrogen cooling function, the lower surface of the base is fixedly connected with four support columns arranged in a rectangular array to support the entire device.

[0010] According to the aforementioned refrigeration machine with liquid nitrogen cooling function, the input end of the circulating pump extends into the interior of the alcohol tank, and the upper surface of the base is fixedly connected to the stainless steel plate insulated box.

[0011] According to the aforementioned refrigeration machine with liquid nitrogen cooling function, the number of liquid nitrogen boxes is five and they are distributed vertically, and the lower surface of the liquid nitrogen boxes is fixedly connected to a stainless steel partition.

[0012] According to the aforementioned refrigeration machine with liquid nitrogen cooling function, the outer surface of the connecting shaft is rotatably connected to a stainless steel plate insulation box, and the number of fan blades is five, distributed vertically.

[0013] According to the aforementioned refrigeration machine with liquid nitrogen cooling function, the outer surface of the rotating shaft is rotatably connected to the base, and the inner surface of the drive wheel is connected to the belt drive.

[0014] According to the aforementioned refrigeration machine with liquid nitrogen cooling function, the circulating pump and drive motor are both electrically connected to an external power source.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of a refrigeration unit with liquid nitrogen cooling function according to the present invention;

[0018] Figure 2 This is a partial structural cross-sectional view of a refrigeration unit with liquid nitrogen cooling function according to this utility model;

[0019] Figure 3 This is a partial structural diagram of a refrigeration unit with liquid nitrogen cooling function according to the present invention;

[0020] Figure 4 This is a schematic diagram of the internal structure of a refrigeration unit with liquid nitrogen cooling function according to the present invention.

[0021] Legend:

[0022] 1. Base; 2. Alcohol tank; 3. Circulating pump; 4. Delivery pipe; 5. Stainless steel insulated box; 6. Door; 7. Liquid nitrogen tank; 8. Cooling pipe; 9. Shut-off valve; 10. Liquid nitrogen box; 11. Connecting plate; 12. Vent; 13. Stainless steel partition; 14. Connecting shaft; 15. Fan blade; 16. Synchronous pulley; 17. Belt; 18. Drive motor; 19. Rotating shaft; 20. Drive wheel; 21. Support column. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1-4 This utility model discloses a refrigeration unit with liquid nitrogen cooling function, comprising: a base 1, an alcohol tank 2 fixedly connected to the upper surface of the base 1, a circulation pump 3 disposed on the upper surface of the alcohol tank 2, a delivery pipe 4 fixedly connected to the output end of the circulation pump 3, a stainless steel plate insulated box 5 fixedly connected to the upper surface of the base 1, a box door 6 disposed on the front surface of the stainless steel plate insulated box 5, a liquid nitrogen tank 7 fixedly connected to the upper surface of the stainless steel plate insulated box 5, a cooling pipe 8 disposed at the output end of the liquid nitrogen tank 7, a shut-off valve 9 disposed on the outer surface of the cooling pipe 8, and a liquid nitrogen box 10 disposed at the end of the cooling pipe 8 away from the liquid nitrogen tank 7, the upper surface of the liquid nitrogen box 10 being fixedly connected to the liquid nitrogen tank 7. A connecting plate 11 is fixedly connected, and the outer surface of the connecting plate 11 is provided with air holes 12. A stainless steel partition 13 is fixedly connected to the inner surface of the stainless steel plate insulated box 5. A handle is provided on the front surface of the box door 6. The material of the box door 6 is stainless steel insulated plate. A support column 21 is fixedly connected to the lower surface of the base 1. There are four support columns 21 arranged in a rectangular array. The input end of the circulation pump 3 extends into the interior of the alcohol box 2. The upper surface of the base 1 is fixedly connected to the stainless steel plate insulated box 5. There are five liquid nitrogen boxes 10 arranged vertically. The lower surface of the liquid nitrogen box 10 is fixedly connected to the stainless steel partition 13. The circulation pump 3 is electrically connected to an external power source.

[0025] A connecting shaft 14 is rotatably connected to the inner surface of the stainless steel partition 13. Fan blades 15 are fixedly connected to the outer surface of the connecting shaft 14. A synchronous pulley 16 is fixedly connected to the outer surface of the connecting shaft 14. A belt 17 is provided on the inner surface of the synchronous pulley 16. A drive motor 18 is fixedly connected to the upper surface of the base 1. A rotating shaft 19 is fixedly connected to the output end of the drive motor 18. A drive wheel 20 is fixedly connected to the outer surface of the rotating shaft 19. The outer surface of the connecting shaft 14 is rotatably connected to the stainless steel plate insulation box 5. There are five fan blades 15 distributed vertically. The outer surface of the rotating shaft 19 is rotatably connected to the base 1. The inner surface of the drive wheel 20 is connected to the belt 17 for transmission. The drive motor 18 is electrically connected to an external power source.

[0026] Working principle: During operation, open the door 6 using the handle, then place the object to be frozen onto the stainless steel partition 13 inside the stainless steel insulated box 5. Close the door 6 and start the circulation pump 3 to absorb the alcohol from the alcohol tank 2 and send it into the delivery pipe 4. Simultaneously, open the shut-off valve 9 and use the cooling pipe 8 to send liquid nitrogen from the liquid nitrogen tank 7 into the liquid nitrogen box 10. At this time, the liquid nitrogen rapidly evaporates inside the liquid nitrogen box 10 and diffuses through the vent 12 above the connecting plate 11 onto the stainless steel insulated box 5 and the stainless steel partition. Within the compartment formed by plate 13, the temperature is maintained by the stainless steel plate insulated box 5 and the box door 6, thereby rapidly cooling the alcohol inside the delivery pipe 4 to quickly cool the items inside the stainless steel plate insulated box 5. At the same time, during the liquid nitrogen cooling process, the drive motor 18 is started, driving the rotating shaft 19 to drive the drive wheel 20, belt 17, synchronous wheel 16, connecting shaft 14, and fan blades 15 to rotate synchronously, thereby achieving rapid diffusion of liquid nitrogen gas emitted from inside the liquid nitrogen box 10 to improve the cooling effect.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A refrigerator with liquid nitrogen cooling function, characterized in that, include: A base (1) is provided with an alcohol tank (2) fixedly connected to its upper surface. A circulation pump (3) is provided on the upper surface of the alcohol tank (2). A delivery pipe (4) is fixedly connected to the output end of the circulation pump (3). A stainless steel plate heat preservation box (5) is fixedly connected to the upper surface of the base (1). A box door (6) is provided on the front surface of the stainless steel plate heat preservation box (5). A liquid nitrogen tank (7) is fixedly connected to the upper surface of the stainless steel plate heat preservation box (5). A cold transfer pipe (8) is provided at the output end of the liquid nitrogen tank (7). A shut-off valve (9) is provided on the outer surface of the cold transfer pipe (8). A liquid nitrogen box (10) is provided at the end of the cold transfer pipe (8) away from the liquid nitrogen tank (7). A connecting plate (11) is fixedly connected to the upper surface of the liquid nitrogen box (10). A vent (12) is provided on the outer surface of the connecting plate (11). A stainless steel partition (13) is fixedly connected to the inner surface of the stainless steel plate heat preservation box (5). The inner surface of the stainless steel partition (13) is rotatably connected to a connecting shaft (14), the outer surface of the connecting shaft (14) is fixedly connected to a fan blade (15), the outer surface of the connecting shaft (14) is fixedly connected to a synchronous pulley (16), the inner surface of the synchronous pulley (16) is provided with a belt (17), the upper surface of the base (1) is fixedly connected to a drive motor (18), the output end of the drive motor (18) is fixedly connected to a rotating shaft (19), and the outer surface of the rotating shaft (19) is fixedly connected to a drive wheel (20).

2. A refrigerator with liquid nitrogen cooling function according to claim 1, characterized in that, The front surface of the box door (6) is provided with a handle, and the material of the box door (6) is stainless steel insulation board.

3. A refrigerator with liquid nitrogen cooling function according to claim 1, characterized in that, The lower surface of the base (1) is fixedly connected to a support column (21), and the support column (21) consists of four columns arranged in a rectangular array.

4. A refrigeration unit with liquid nitrogen cooling function according to claim 1, characterized in that, The input end of the circulating pump (3) extends into the interior of the alcohol tank (2), and the upper surface of the base (1) is fixedly connected to the stainless steel plate insulated box (5).

5. A refrigerator with liquid nitrogen cooling function according to claim 1, characterized in that, The liquid nitrogen boxes (10) are five in number and arranged vertically, and the lower surface of the liquid nitrogen boxes (10) is fixedly connected to the stainless steel partition (13).

6. A refrigerator with liquid nitrogen cooling function according to claim 1, characterized in that, The outer surface of the connecting shaft (14) is rotatably connected to the stainless steel plate insulation box (5), and the number of fan blades (15) is five and distributed vertically.

7. A refrigerator with liquid nitrogen cooling function according to claim 1, characterized in that, The outer surface of the rotating shaft (19) is rotatably connected to the base (1), and the inner surface of the drive wheel (20) is driven by the belt (17).

8. A refrigerator with liquid nitrogen cooling function according to claim 1, characterized in that, The circulating pump (3) and the drive motor (18) are both electrically connected to an external power source.

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