Nitrogen refrigerating cabinet
By designing nitrogen refrigeration cabinets and using components such as nitrogen refrigeration unit equipment and cabinet partitions, efficient refrigeration effects are achieved, solving the problem that traditional refrigeration methods cannot meet the refrigeration needs of high-density data centers.
Patent Information
- Application Number
- CN202411817534.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-02-18
AI Technical Summary
As the density of single cabinets in data centers increases, the density of single cabinets in supercomputer centers is high and the heat generation is high, and traditional refrigeration methods cannot meet their refrigeration needs.
A nitrogen refrigeration cabinet was designed, including nitrogen refrigeration unit equipment, cabinet partitions, servers and other heating units, cabinet side panels, cabinet bottom panels, nitrogen refrigeration unit air inlets and outlets, nitrogen gas storage tanks and other components. The nitrogen refrigeration unit equipment consists of a fan body, a condenser, a compressor and a throttling device, and the refrigeration effect is achieved through the compression, condensation, throttling and evaporation processes.
This nitrogen refrigeration cabinet realizes the continuous refrigeration effect inside the cabinet through the circulation of nitrogen, which can effectively deal with the problem of large heat generation in high-density data centers and provide more efficient refrigeration solutions.
Smart Images

Figure CN119486067A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of communication refrigeration, and in particular to a nitrogen refrigeration cabinet. Background Art
[0002] Nitrogen is a colorless and odorless gas with very stable chemical properties. It is difficult to react with other substances at room temperature. As the density of single cabinets in data centers increases, it is currently proposed to build supercomputing centers. The density of single cabinets in supercomputing centers is large and the heat generation is high. Traditional refrigeration methods can no longer meet their refrigeration needs.
[0003] In view of the above problems, we propose a nitrogen refrigeration cabinet to solve the above problems. Summary of the invention
[0004] The purpose of the present invention is to provide a nitrogen refrigeration cabinet to solve the problem raised in the above background technology that as the density of single cabinets in data centers increases, it is currently proposed to build supercomputing centers. The density of single cabinets in supercomputing centers is large and the heat generation is high, and traditional refrigeration methods can no longer meet their refrigeration needs.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a nitrogen refrigeration cabinet, comprising a cabinet top plate, a heat exchange unit is arranged below the cabinet top plate, and both sides of the bottom of the cabinet top plate are fixedly connected to cabinet side plates, the cabinet side plate on the left side is provided with a cabinet door, and the cabinet side plate on the right side is provided with a cabinet air outlet exhaust fan, the bottom of the cabinet side plate is fixedly connected to the cabinet bottom plate, and a nitrogen refrigeration unit device is arranged above the cabinet bottom plate, a cabinet partition is arranged below the cabinet top plate, and a heating unit such as a server is installed above the cabinet partition, a nitrogen refrigeration unit air inlet is arranged on the right side of the nitrogen refrigeration unit device, a nitrogen refrigeration unit air outlet is arranged on the left side of the nitrogen refrigeration unit device, and a nitrogen gas storage tank is arranged above the right side of the cabinet bottom plate.
[0006] Preferably, the nitrogen refrigeration unit equipment is composed of a fan body, a condenser, a compressor and a throttling device, and the top of the compressor is connected to a first pipeline, and the top of the nitrogen storage tank is connected to a second pipeline.
[0007] As a preferred technical solution of the present invention, in the nitrogen refrigeration unit equipment, nitrogen is compressed into high-pressure nitrogen by a compressor, the high-pressure nitrogen enters the condenser and is cooled into high-pressure and low-temperature nitrogen, and then throttled and reduced in pressure by a throttling device to become low-temperature and low-pressure nitrogen, and finally the low-temperature and low-pressure nitrogen enters the evaporator to evaporate and absorb heat to achieve a refrigeration effect. At the same time, the fan provides power during the refrigeration process to allow the nitrogen to circulate in an organized manner, and the entire refrigeration cycle process is repeated continuously, thereby achieving a continuous refrigeration effect inside the cabinet.
[0008] Preferably, a limiting groove is provided on the outer side of the first pipe, and a limiting block is slidably connected inside the limiting groove, and a connecting sleeve is fixedly connected to one side of the limiting block.
[0009] As a preferred technical solution of the present invention, by pulling the connecting sleeve, the connecting sleeve can drive the limiting block to slide along the limiting groove when sliding, thereby ensuring stability during the movement.
[0010] Preferably, a connecting block is fixedly connected to the top of the first pipe, and an outer sleeve of the connecting block is provided with a return spring, and an inner portion of the connecting sleeve is fixedly connected to a clamping block, and one side of the clamping block is fixedly connected to the return spring.
[0011] As a preferred technical solution of the present invention, the design of the reset spring and the clamp block can ensure that the connection between the connection block and the connection sleeve is more secure. When subjected to external impact or vibration, the reset spring can provide a certain buffer and restoring force to prevent the connection from loosening or falling off. The design of the reset spring and the clamp block also facilitates connection and disassembly.
[0012] Preferably, a positioning groove is provided on one side of the second pipe, and a cavity is provided inside the first pipe.
[0013] Preferably, a positioning rod is slidably connected inside the cavity, a supporting spring is connected between the positioning rod and the cavity, and the positioning rod is slidably connected to the positioning groove.
[0014] As a preferred technical solution of the present invention, the support spring can be driven to contract by pulling the positioning rod, and when the positioning rod is loosened, the support spring can drive the positioning rod to reset.
[0015] Preferably, a fixing frame is fixedly connected to the top of the cabinet top plate, and the nitrogen storage tank is located inside the fixing frame.
[0016] Preferably, a fixing block is fixedly connected to the inner wall of the fixing frame, and two fixing blocks are provided, a sliding rod is fixedly connected between the two fixing blocks, and a sliding block is slidably connected to the outside of the sliding rod.
[0017] Preferably, a buffer spring is connected between the slider and the slide rod, and a support rod is hinged on one side of the slider, and a clamping block is hinged on one side of the support rod.
[0018] As a preferred technical solution of the present invention, a fixing frame is fixedly connected to the top of the cabinet top plate, the nitrogen gas storage tank is located inside the fixing frame, the fixing block is connected to the inside of the fixing frame, a sliding rod is arranged in the middle, a sliding block is slidably connected to the outside of the sliding rod, a buffer spring is fixedly connected between the sliding rod and the sliding block, the support rod is hinged on one side of the sliding block, and a clamping block is hinged on the other side for clamping the nitrogen gas storage tank. When the nitrogen gas storage tank is impacted, the buffer spring can absorb part of the energy.
[0019] Preferably, a solenoid valve is provided at the second pipeline, a controller is provided outside the fixing frame, and a temperature and humidity sensing device is provided at the side panel of the cabinet.
[0020] As a preferred technical solution of the present invention, a solenoid valve is arranged at the second pipeline to control the flow rate of nitrogen, and a controller is provided to control the operation of the entire system. A temperature and humidity sensing device is arranged at the side panel of the cabinet to monitor the temperature and humidity inside the cabinet.
[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: the nitrogen refrigeration cabinet is provided with nitrogen refrigeration unit equipment, cabinet partitions, heat generating units such as servers, cabinet side panels, cabinet bottom panels, nitrogen refrigeration unit air inlets and nitrogen refrigeration unit air outlets, and nitrogen gas storage tanks. The cabinet body is composed of a cabinet top plate, cabinet side panels, and a cabinet bottom plate. Inside the cabinet body, the cabinet partition divides the cabinet into upper and lower parts. The upper part is used to install heat generating units such as servers, and the lower part is provided with nitrogen refrigeration unit equipment. The nitrogen refrigeration unit equipment is composed of a fan body, a condenser, a compressor, and a throttling device to achieve a refrigeration effect. The refrigerated nitrogen is discharged through the nitrogen refrigeration unit air outlet and enters the cabinet body to cool the heat generating unit.
[0022] 1. Through the first pipeline, the second pipeline, the limiting groove, the connecting sleeve, the connecting block, the reset spring and the clamping block, the first pipeline on the top of the compressor and the second pipeline at the nitrogen gas storage tank are quickly disassembled and connected. When the nitrogen gas storage tank needs to supply gas to the compressor, the connecting sleeve is slid, and the clamping block at the connecting sleeve drives the reset spring to be compressed. At this time, the supporting spring at the connecting block drives the positioning rod to reset and move, and then the second pipeline is slidably connected with the connecting sleeve to make the second pipeline contact with the first pipeline. Finally, the connecting sleeve is loosened, so that the reset spring at the connecting sleeve drives the clamping block to reset, so that the clamping block pushes the positioning rod to move. When the positioning rod is clamped and connected with the positioning groove, the second pipeline can be self-locked, thereby achieving a quick connection for gas supply;
[0023] 2. Through the setting of sliding rods, sliders, buffer springs, support rods and clamping blocks, the nitrogen gas tank is located inside the fixed frame, and the clamping block contacts the outer wall of the nitrogen gas tank. When the nitrogen gas tank is impacted or vibrated, the buffer spring can absorb the impact energy to prevent the nitrogen gas tank from being damaged. The support rod and the clamping block can clamp the outside of the nitrogen gas tank to further enhance its stability. The solenoid valve is at the second pipeline to control the flow of nitrogen, and a controller is provided to control the operation of the entire system. The temperature and humidity sensing equipment is arranged at the side panel of the cabinet to monitor the temperature and humidity inside the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1It is a schematic diagram of the front view cutaway structure of the present invention;
[0025] Figure 2 This is a schematic diagram of the structure of the refrigeration cabinet of the present invention;
[0026] Figure 3 This is a schematic diagram of the structure of the refrigeration unit in the nitrogen refrigeration cabinet of the present invention;
[0027] Figure 4 It is a schematic diagram of the partial cutaway structure of the present invention;
[0028] Figure 5 For the present invention Figure 3 The enlarged structural diagram at A in the middle;
[0029] Figure 6 It is a front view structural schematic diagram of the fixing frame of the present invention;
[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the clamping block of the present invention;
[0031] Figure 8 It is a schematic diagram of the three-dimensional structure of the first pipeline and the second pipeline of the present invention.
[0032] In the figure: 1. Cabinet top plate; 2. Heat exchange unit; 3. Cabinet door; 4. Cabinet air outlet exhaust fan; 5. Nitrogen refrigeration unit equipment; 51. Fan; 52. Condenser; 53. Compressor; 54. Throttling device; 6. Cabinet partition; 7. Server and other heating units; 8. Cabinet side plate; 9. Cabinet bottom plate; 10. Nitrogen refrigeration unit air inlet; 11. Nitrogen refrigeration unit air outlet; 12. Nitrogen gas storage tank; 13. First pipeline; 1 4. Second pipeline; 15. Limiting groove; 16. Connecting sleeve; 17. Connecting block; 18. Reset spring; 19. Block; 20. Positioning groove; 21. Cavity; 22. Positioning rod; 23. Support spring; 24. Fixed frame; 25. Fixed block; 26. Sliding rod; 27. Sliding block; 28. Buffer spring; 29. Support rod; 30. Clamping block; 31. Limiting block; 32. Solenoid valve; 33. Controller; 34. Temperature and humidity sensing equipment. DETAILED DESCRIPTION
[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0034] See also Figure 1-Figure 8The present invention provides a technical solution: a nitrogen refrigeration cabinet, comprising a cabinet top plate 1, a heat exchange unit 2 is arranged below the cabinet top plate 1, and the right side of the bottom of the cabinet top plate 1 is fixedly connected to a cabinet side plate 8, a cabinet door 3 is arranged on the left cabinet side plate 8, and a cabinet air outlet exhaust fan 4 is arranged on the right cabinet side plate 8, a cabinet bottom plate 9 is fixedly connected to the bottom of the cabinet side plate 8, and a nitrogen refrigeration unit device 5 is arranged above the cabinet bottom plate 9, a cabinet partition 6 is arranged below the cabinet top plate 1, and a heating unit 7 such as a server is installed above the cabinet partition 6, a nitrogen refrigeration unit air inlet 10 is arranged on the right side of the nitrogen refrigeration unit device 5, and a nitrogen refrigeration unit air outlet 11 is arranged on the left side of the nitrogen refrigeration unit device 5, and a nitrogen gas storage tank 12 is arranged above the right side of the cabinet bottom plate 9, the cabinet body is composed of the cabinet top plate 1, the cabinet side plate 8, and the cabinet bottom plate 9, and inside the cabinet body, the cabinet The partition 6 divides the cabinet into two parts, the upper part is used to install the heat generating unit 7 such as the server, and the lower part is provided with the nitrogen refrigeration unit equipment 5. The nitrogen refrigeration unit equipment 5 is composed of a fan body 51, a condenser 52, a compressor 53 and a throttling device 54 to achieve a refrigeration effect. The refrigerated nitrogen is discharged through the nitrogen refrigeration unit air outlet 11 and enters the cabinet body to cool the heat generating unit. In the nitrogen refrigeration unit equipment 5, the nitrogen is compressed into high-pressure nitrogen by the compressor 53. The high-pressure nitrogen enters the condenser 52 and is cooled into high-pressure and low-temperature nitrogen. Then, it is throttled and reduced in pressure by the throttling device 54 to become low-temperature and low-pressure nitrogen. Finally, the low-temperature and low-pressure nitrogen enters the evaporator to evaporate and absorb heat to achieve a refrigeration effect. At the same time, the fan body 51 provides power during the refrigeration process to allow the nitrogen to circulate in an organized manner. The entire refrigeration cycle process is repeated continuously, thereby achieving a continuous refrigeration effect inside the cabinet.
[0035] The nitrogen refrigeration unit is composed of a fan body 51, a condenser 52, a compressor 53 and a throttling device 54, and the top of the compressor 53 is connected to a first pipeline 13, and the top of the nitrogen storage tank 12 is connected to a second pipeline 14, the outer side of the first pipeline 13 is provided with a limiting groove 15, and the inner side of the limiting groove 15 is slidably connected to a limiting block 31, and one side of the limiting block 31 is fixedly connected to a connecting sleeve 16, the top of the first pipeline 13 is fixedly connected to a connecting block 17, and the outer side of the connecting block 17 is provided with a reset spring 18, the inner side of the connecting sleeve 16 is fixedly connected to a clamping block 19, and one side of the clamping block 19 is fixedly connected to the reset spring 18, a positioning groove 20 is provided on one side of the second pipeline 14, and the inner side of the first pipeline 13 is provided with a cavity 21, the inner side of the cavity 21 is slidably connected to a positioning rod 22, and a supporting spring is connected between the positioning rod 22 and the cavity 21. 23, and the positioning rod 22 is slidably connected to the positioning groove 20, the first pipeline 13 at the top of the compressor 53 and the second pipeline 14 at the nitrogen storage tank 12 are quickly disassembled and connected. When the nitrogen storage tank 12 needs to supply gas to the compressor 53, the sliding connecting sleeve 16, the block 19 at the connecting sleeve 16 drives the reset spring 18 to be compressed. At this time, the supporting spring 23 at the connecting block 17 drives the positioning rod 22 to reset and move, and then the second pipeline 14 is slidably connected to the connecting sleeve 16, so that the second pipeline 14 contacts the first pipeline 13. Finally, the connecting sleeve 16 is loosened, so that the reset spring 18 at the connecting sleeve 16 drives the block 19 to reset, so that the block 19 pushes the positioning rod 22 to move. When the positioning rod 22 is locked and connected with the positioning groove 20, the second pipeline 14 can be self-locked, thereby achieving a quick connection for gas supply.
[0036] A fixing frame 24 is fixedly connected to the top of the cabinet top plate 1, and the nitrogen storage tank 12 is located inside the fixing frame 24. A fixing block 25 is fixedly connected to the inner wall of the fixing frame 24, and two fixing blocks 25 are provided. A sliding rod 26 is fixedly connected between the two fixing blocks 25, and a slider 27 is slidably connected to the outside of the sliding rod 26. A buffer spring 28 is connected between the slider 27 and the sliding rod 26, and a support rod 29 is hinged on one side of the slider 27, and a clamping block 30 is hinged on one side of the support rod 29. A solenoid valve 32 is provided at the second pipeline 14, and a controller 33 is provided outside the fixing frame 24, and a temperature controller 33 is provided at the cabinet side panel 8. Humidity sensing device 34, the nitrogen gas tank 12 is located inside the fixed frame 24, and the clamping block 30 is in contact with the outer wall of the nitrogen gas tank 12. When the nitrogen gas tank 12 is impacted or vibrated, the buffer spring 28 can absorb the impact energy to prevent the nitrogen gas tank 12 from being damaged. The support rod 29 and the clamping block 30 can clamp the outside of the nitrogen gas tank 12 to further enhance its stability. The solenoid valve 32 is at the second pipeline 14 to control the flow of nitrogen, and a controller 33 is provided to control the operation of the entire system. The temperature and humidity sensing device 34 is arranged at the cabinet side panel 8 to monitor the temperature and humidity inside the cabinet.
[0037] First, pull the clamping block 30 to place the nitrogen gas storage tank 12 into the fixed frame 24. When the nitrogen gas storage tank 12 is impacted or vibrated, the buffer spring 28 can absorb the impact energy to prevent the nitrogen gas storage tank 12 from being damaged. The support rod 29 and the clamping block 30 can clamp the outside of the nitrogen gas storage tank 12 to further enhance its stability. Afterwards, when the nitrogen gas storage tank 12 needs to supply gas to the compressor 53, the connecting sleeve 16 is slid, and the block 19 at the connecting sleeve 16 drives the reset spring 18 to be compressed. At this time, the support spring 23 at the connecting block 17 drives the positioning rod 22 to reset and move, and then the second pipeline 14 is slidably connected to the connecting sleeve 16 so that the second pipeline 14 contacts the first pipeline 13. Finally, the connecting sleeve 16 is loosened so that the reset spring 18 at the connecting sleeve 16 drives the block 19 to reset, so that the block 19 pushes the positioning rod 22 to move. When the positioning rod 22 is connected with the positioning groove 20, the second pipeline 14 can be self-locked to achieve a quick connection and gas supply. The solenoid valve 32 is located at the second pipeline 14 to control the flow of nitrogen, and a controller 33 is provided to control the operation of the entire system. The temperature and humidity sensing device 34 is located at the cabinet side panel 8 to monitor the temperature and humidity inside the cabinet. Finally, in the nitrogen refrigeration unit device 5, the nitrogen is compressed into high-pressure nitrogen by the compressor 53, and the high-pressure nitrogen enters the condenser 52 and is cooled into high-pressure and low-temperature nitrogen. Then, the throttling device 54 is used to throttle and reduce the pressure to become low-temperature and low-pressure nitrogen. Finally, the low-temperature and low-pressure nitrogen enters the evaporator to evaporate and absorb heat to achieve a refrigeration effect. At the same time, the fan body 51 provides power during the refrigeration process to allow the nitrogen to circulate in an organized manner. The entire refrigeration cycle process is repeated continuously to achieve a continuous refrigeration effect inside the cabinet.
[0038] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the present invention have been shown and described, it is understood by ordinary technicians in the field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.
Claims
1. A nitrogen refrigeration cabinet, comprising a cabinet top plate (1), characterized in that: A heat exchange unit (2) is arranged below the cabinet top plate (1), and cabinet side plates (8) are fixedly connected to both sides of the bottom of the cabinet top plate (1), a cabinet door (3) is arranged on the left cabinet side plate (8), and a cabinet air outlet exhaust fan (4) is arranged on the right cabinet side plate (8), the bottom of the cabinet side plate (8) is fixedly connected to the cabinet bottom plate (9), and a nitrogen refrigeration unit device (5) is arranged above the cabinet bottom plate (9); A cabinet partition (6) is arranged below the cabinet top plate (1), and a heat generating unit (7) such as a server is installed above the cabinet partition (6); a nitrogen refrigeration unit air inlet (10) is arranged on the right side of the nitrogen refrigeration unit device (5), and a nitrogen refrigeration unit air outlet (11) is arranged on the left side of the nitrogen refrigeration unit device (5); and a nitrogen storage tank (12) is arranged above the right side of the cabinet bottom plate (9).
2. A nitrogen refrigeration cabinet according to claim 1, characterized in that: The nitrogen refrigeration unit equipment (5) is composed of a fan body (51), a condenser (52), a compressor (53) and a throttling device (54), and the top of the compressor (53) is connected to a first pipeline (13), and the top of the nitrogen storage tank (12) is connected to a second pipeline (14).
3. A nitrogen refrigeration cabinet according to claim 2, characterized in that: A limiting groove (15) is provided on the outer side of the first pipe (13), and the interior of the limiting groove (15) is slidably connected to a limiting block (31), and a connecting sleeve (16) is fixedly connected to one side of the limiting block (31).
4. A nitrogen refrigeration cabinet according to claim 3, characterized in that: A connecting block (17) is fixedly connected to the top of the first pipe (13), and a return spring (18) is sleeved outside the connecting block (17); a clamping block (19) is fixedly connected inside the connecting sleeve (16), and one side of the clamping block (19) is fixedly connected to the return spring (18).
5. A nitrogen refrigeration cabinet according to claim 2, characterized in that: A positioning groove (20) is provided on one side of the second pipe (14), and a cavity (21) is provided inside the first pipe (13).
6. A nitrogen refrigeration cabinet according to claim 5, characterized in that: A positioning rod (22) is slidably connected inside the cavity (21), a supporting spring (23) is connected between the positioning rod (22) and the cavity (21), and the positioning rod (22) is slidably connected to the positioning groove (20).
7. A nitrogen refrigeration cabinet according to claim 1, characterized in that: A fixing frame (24) is fixedly connected above the cabinet top plate (1), and the nitrogen storage tank (12) is located inside the fixing frame (24).
8. A nitrogen refrigeration cabinet according to claim 7, characterized in that: A fixed block (25) is fixedly connected to the inner wall of the fixed frame (24), and two fixed blocks (25) are provided. A sliding rod (26) is fixedly connected between the two fixed blocks (25), and a sliding block (27) is slidably connected to the outside of the sliding rod (26).
9. A nitrogen refrigeration cabinet according to claim 8, characterized in that: A buffer spring (28) is connected between the slider (27) and the slide rod (26), and a support rod (29) is hinged on one side of the slider (27), and a clamping block (30) is hinged on one side of the support rod (29).
10. A nitrogen refrigeration cabinet according to claim 2, characterized in that: A solenoid valve (32) is provided at the second pipeline (14), a controller (33) is provided outside the fixing frame (24), and a temperature and humidity sensing device (34) is provided at the cabinet side panel (8).