CN108668507B - Cold accumulation cabinet - Google Patents
Cold accumulation cabinet Download PDFInfo
- Publication number
- CN108668507B CN108668507B CN201810589439.0A CN201810589439A CN108668507B CN 108668507 B CN108668507 B CN 108668507B CN 201810589439 A CN201810589439 A CN 201810589439A CN 108668507 B CN108668507 B CN 108668507B
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- channel
- cabinet
- pipe
- cold
- baffle
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- 238000009825 accumulation Methods 0.000 title claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 230000017525 heat dissipation Effects 0.000 claims description 33
- 239000003507 refrigerant Substances 0.000 claims description 26
- 230000005494 condensation Effects 0.000 claims description 25
- 238000009833 condensation Methods 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20736—Forced ventilation of a gaseous coolant within cabinets for removing heat from server blades
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20318—Condensers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20818—Liquid cooling with phase change within cabinets for removing heat from server blades
Abstract
The invention discloses a cold accumulation cabinet, which comprises a closed cabinet body, wherein the cabinet body comprises a cabinet door and side plates, and the cabinet door is provided with a cooling device; the cooling device is provided with an air inlet and an air outlet which are positioned at the exhaust side of the equipment, a first channel for air flow to pass through is arranged between the air outlet and the cabinet door, a second channel for air flow to pass through is arranged between the cooling device and the two side plates, and the first channel is communicated with the second channel; the first channel and the second channel are both provided with cold accumulation pipelines. The invention provides a cold storage cabinet which is used for sealing a hot channel and can realize multiple cooling of air flow.
Description
Technical Field
The invention relates to the field of cabinet cooling, in particular to a cold storage cabinet.
Background
With the improvement of the performance of the server and the network communication equipment, the density of heating elements in the cabinet is higher and higher. If the heat emitted by the electronic components cannot be timely discharged to the external environment of the cabinet, the heat can be accumulated in the cabinet, so that the IT equipment in the cabinet is failed, and loss is caused to the system and the equipment. The existing cooling forms can be divided into room level, inter-column level and cabinet level according to the range of air flow influence, but for the air flow control mode of the room level, the aim of reducing the temperature of the whole room is to reduce, and for eliminating local hot spots, the reduction of the temperature of the whole room causes energy waste. The traditional cabinet and cooling device are arranged and can not seal hot air, hot air and cold air are mixed, cooling is insufficient, most of cooling devices only adopt a single cooling mode, cooling efficiency is low, and cooling effect is poor.
Disclosure of Invention
The invention aims to provide a cold storage cabinet which is used for sealing hot air and can realize multiple cooling on air flow.
The technical scheme adopted for solving the technical problems is as follows: the cold accumulation cabinet comprises a closed cabinet body, wherein the cabinet body comprises a cabinet door and side plates, and the cabinet door is provided with a cooling device; the cooling device is provided with an air inlet and an air outlet which are positioned on the exhaust side of the equipment, a first channel for air flow to pass through is arranged between the air outlet and the cabinet door, a second channel for air flow to pass through is arranged between the cooling device and the side plate, and the first channel is communicated with the second channel; the first channel and the second channel are both provided with cold accumulation pipelines.
Preferably, the cooling device comprises a condensing area and a heat dissipation area arranged on the exhaust side of the cabinet equipment, the condensing area is separated from the heat dissipation area by a partition board, and the condensing area is positioned in a closed space; the condensing area is filled with cold storage medium, the cold storage medium is inserted with a cold storage pipeline and a heat pipe, the heat pipe is provided with a condensing section and a heat dissipation section, the condensing section is positioned in the condensing area, and the heat dissipation section is positioned in the heat dissipation area; the condensing section is sleeved with a heat exchange pipeline for the refrigerant to pass through, and the condensing section and the heat exchange pipeline form a sleeve type heat pipe.
Preferably, the cold storage duct in the condensation zone extends towards the first and second channels.
Preferably, the air outlet is provided with a first baffle, a gap between the first baffle and the cabinet door is a first channel, two sides of the heat dissipation area are provided with second baffles, and a gap between the second baffle and the side plate is a second channel; the first baffle is provided with a through hole for the cold air flow to pass through.
Preferably, the second baffle extends towards the end at which the apparatus is located.
Preferably, the second channel is provided with a third baffle provided with a through hole for the air flow to pass through.
Preferably, the cooling device is provided with a liquid inlet pipe and a liquid outlet pipe, one ends of the cold accumulation pipeline and the heat exchange pipeline are communicated with the liquid inlet pipe, and the other ends of the cold accumulation pipeline and the heat exchange pipeline are communicated with the liquid outlet pipe.
Preferably, the cabinet door rotates through a door shaft, a water guide slip ring is arranged in the door shaft, the water guide slip ring comprises a first water guide slip ring and a second water guide slip ring, one end of the first water guide slip ring is communicated with the liquid inlet pipe, and the other end of the first water guide slip ring is communicated with the refrigerant liquid supply pipe; one end of the second water guide sliding ring is communicated with the liquid outlet pipe, and the other end of the second water guide sliding ring is communicated with the refrigerant liquid return pipe.
The invention has the advantages that: 1. the cabinet body is of a closed structure, and circulating channels for cooling air flow are arranged between the cooling device and the cabinet door and between the cooling device and the side plate of the cabinet body, so that the purpose of sealing hot air is achieved; and the circulating channel is provided with a cold accumulation pipeline, so that the air flow is cooled for a plurality of times, the cooling efficiency is high, and the cooling effect is good.
2. The first cabinet door and the second cabinet door of the cabinet body are respectively provided with a cooling device, and cold accumulation pipelines are respectively arranged in the first channel and the second channel through which the air flow passes, so that the air flow is cooled for three times.
3. The cooling device is arranged on the cabinet door, the cabinet door rotates around the door shaft, the water guide sliding ring is arranged inside the door shaft, and the liquid inlet pipe and the liquid outlet pipe in the cooling device are respectively connected with the water guide sliding ring, so that the normal opening of the cabinet door is ensured, and the liquid inlet pipe and the liquid outlet pipe of the refrigerant are not influenced.
Drawings
Fig. 1 is a schematic structural view of a cooling device.
FIG. 2 is a schematic view of the structure of the condensation zone and the airflow channel.
FIG. 3 is a schematic view of a heat dissipation area and an airflow channel.
Fig. 4 is a schematic diagram of the cabinet airflow distribution.
Fig. 5 is a schematic view of a door spindle.
Fig. 6 is a schematic diagram of a refrigeration system.
The marks in the figure are as follows: the heat pipe comprises a condensation area 1, a heat pipe 2, a heat dissipation area 3, a condensation section 21, a heat dissipation section 22, a heat exchange pipeline 11, a cold storage medium 12, a cold storage pipeline 13, a liquid inlet pipe 14, a liquid outlet pipe 15, a partition plate 16, a closed space 17, a coaming 171, an air inlet 31, an air outlet 32, a heat exchange area 18, a cold storage area 19 and a heat conduction pipeline 20; the cabinet comprises a cabinet body 4, a cabinet door 41, side plates 42, a first channel 43, a second channel 44, a first baffle 321, a second baffle 322, a third baffle 323, a door shaft 411 and a water guide sliding ring 412; a compressor 51, a condenser 52, a throttle valve 53, a refrigerant return pipe 54, and a refrigerant supply pipe 55.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Cooling device
As shown in fig. 1, the cooling device of the cabinet comprises a condensation area 1, a heat pipe 2 and a heat dissipation area 3 arranged at an air outlet of the cabinet equipment, wherein the condensation area 1 exchanges heat with the heat dissipation area 3 through the heat pipe 2. The working principle of the heat pipe 2 is as follows: after the heat pipe is vacuumized, part of working medium is filled, and the working medium is randomly distributed in the pipe in the form of vapor plugs and liquid plugs at intervals due to the action of the surface tension of the working medium with smaller pipe diameter. When the heat pipe heat dissipation section is heated, the heat dissipation section working medium absorbs heat, the liquid film evaporates and expands to generate bubbles, the pressure rises, and the working medium is pushed to flow to the condensation section. The air bubbles shrink and burst when encountering cold in the condensation section, the pressure is reduced, the working medium flows to the heat dissipation section, and meanwhile, due to the unbalanced pressure of the adjacent pipelines, the working medium in the adjacent pipelines can be timely supplemented, so that the back and forth oscillation of the working medium of the whole heat pipe between the heat dissipation section and the condensation section is formed, and the heat transfer is realized.
As shown in fig. 1 and 2, the heat pipe 2 has a condensation section 21 and a heat dissipation section 22, and heat exchange pipes 11 are sleeved outside the condensation section 21 of the heat pipe 2, and the heat exchange pipes 11 are mutually communicated. The heat exchange pipeline 11 exchanges heat with the condensation section 21 through the refrigerant, a phase change substance is arranged in a heat pipe of the condensation section 21, the condensation section 21 and the heat dissipation section 22 exchange heat with each other, and hot air exhausted by the equipment cabinet is cooled.
As shown in fig. 2, the condensation area 1 is filled with a cold storage medium 12, and the thermal conductivity of the cold storage medium 12 is greater than that of air. The cold accumulation medium 12 is inserted with a cold accumulation pipeline 13 and a heat pipe condensing section 21, the condensing section 21 is positioned in the condensing area 1, and the heat dissipation section 22 is positioned in the heat dissipation area 3. The cold accumulation pipeline 13 exchanges heat with the cold accumulation medium 12 through the refrigerant, the cold accumulation medium 12 provides cold energy for the heat pipe 2, the heat pipe 2 is internally provided with phase change materials, and the condensation section 21 and the heat dissipation section 22 exchange heat with each other to cool hot air exhausted by the cabinet equipment. The condensation area 1 is filled with an organic solid cold storage medium 12, on one hand, the cold storage medium 12 keeps the heat of the heat pipe 2, and the heat conductivity coefficient of the cold storage medium 12 is larger than that of air, so that the heat exchange effect is enhanced, on the other hand, reasonable electricity utilization is effectively achieved, and the peak-valley difference phenomenon of the power load is relieved.
As shown in fig. 1, the condensing area 1 is separated from the heat dissipation area 3 by a partition plate 16, the condensing area 1 is located in an enclosed space 17, the enclosed space 17 is composed of a coaming 171, a top plate and the partition plate 16, and the enclosed space is arranged to be favorable for fully utilizing the cold energy in the condensing area 1 and avoiding the loss of the cold energy. The heat dissipation area 3 is provided with an air inlet 31 for hot air to enter and an air outlet 32 for cold air to flow out.
The arrangement modes of the heat pipes 2 and the cold accumulation pipelines 13 can be two, one is that the condensation zone 1 comprises a heat exchange zone 18 and a cold accumulation zone 19, the heat exchange zone 18 is positioned in the middle of the condensation zone 1, the cold accumulation zone 19 is arranged along the periphery of the heat exchange zone 18, the heat pipes 2 are uniformly arranged in the heat exchange zone 18, and the cold accumulation pipelines 13 are positioned in the cold accumulation zone 19, as shown in fig. 2; the other is that the heat pipes 2 and the cold accumulation pipelines 13 in the condensation zone 1 are alternately arranged at certain intervals, so that the cold quantity provided by the cold accumulation pipelines 13 to the cold accumulation medium 12 is ensured to be uniform.
The cold storage pipe 13 in the condensation zone 1 extends toward the heat dissipation zone 3. The heat dissipation area 3 is not only provided with a heat pipe heat dissipation section 22, but also provided with a cold accumulation pipeline 13 for multiple cooling of hot air exhausted by the cabinet, and the cooling efficiency is high.
A heat conducting pipeline 20 is arranged between the heat pipe 2 and the heat exchanging pipeline 11, cold accumulation materials are distributed in the heat conducting pipeline 20, and the heat conducting pipeline 20 can ensure cold accumulation stability. The cold storage material is a composite phase change material based on graphene, and the graphene is used as a frame material, so that the cold storage material has good thermal conductivity and is solid and not easy to leak. The heat pipe 2 is subjected to double cold accumulation by the heat conduction pipe 20 and the cold accumulation medium 12.
As shown in fig. 2, one end of the cold accumulation pipe 13 and one end of the heat exchange pipe 11 are both communicated with the liquid inlet pipe 14, and the other end of the cold accumulation pipe 13 and the other end of the heat exchange pipe 11 are both communicated with the liquid outlet pipe 15. Both the inlet pipe 14 and the outlet pipe 15 extend from the enclosed space. The liquid inlet pipe 14 is connected with a refrigerant liquid supply pipe, the liquid outlet pipe 15 is connected with a refrigerant liquid return pipe, a refrigerant liquid supply pipe is used for conveying the refrigerant to the cold accumulation pipeline 13 and the heat exchange pipeline 11, and a refrigerant liquid return pipe is used for conveying the refrigerant in the cold accumulation pipeline 13 and the heat exchange pipeline 11, so that the structure is simple, and the complicated distribution among the pipelines is avoided.
Cabinet (cabinet)
The cabinet comprises equipment positioned in the cabinet, a cabinet door and a cooling device arranged on the exhaust side of the cabinet, wherein the cooling device is fixed on the cabinet door. The cabinet and the airflow cooling mode are specifically described below.
As shown in fig. 3 and 4, the cabinet comprises a closed cabinet body 4, the cabinet body comprises a cabinet door 41 and two side plates 42, the cabinet door 41 is provided with a cooling device, and the cooling device is fixed with the inner wall of the cabinet door 41 through a coaming 171 in the condensation zone 1; the cooling device is provided with an air inlet 31 and an air outlet 32 which are positioned on the exhaust side of the equipment, a first channel 43 for air flow to pass through is arranged between the air outlet 32 and the cabinet door 41, a second channel 44 for air flow to pass through is arranged between the cooling device and the two side plates 42, and the first channel 43 and the second channel 44 are communicated; the first channel 43 and the second channel 44 are each provided with a cold accumulation duct 13. Hot air discharged from an equipment exhaust port enters the cooling device through the air inlet 31 to realize primary cooling, then enters the cold accumulation pipelines 13 in the first channel 43 and the second channel 44 from the air outlet 32 to realize secondary cooling, and cold air flow enters the equipment again to realize continuous circulation. The cooling device has been described herein.
The cold storage duct 13 in the first channel 43 and the second channel 44 extends from the cold storage duct 13 in the condensation zone 1. By extending the cold storage pipe 13 in the condensation zone 1 to the first channel 43 and the second channel 44, repeated arrangement of pipes is avoided, while enhancing the cooling effect.
As shown in fig. 3, the air outlet 32 is provided with a first baffle 321, the first baffle 321 is fixed with the bottom end of the partition plate 16, a gap between the first baffle 321 and the cabinet door 41 is a first channel 43, two sides of the heat dissipation area 3 are respectively provided with a second baffle 322, the second baffles 322 are fixed with the bottom end of the partition plate 16, and a gap between the second baffle 322 and the side plate 42 is a second channel 44; the first barrier 321 is provided with a through hole for the cold air flow to pass through. The air outlet 32 is provided with a first baffle 321 to prevent the flow velocity of the air flow from being excessive and prolong the cooling time of the air flow in the heat dissipation area 3.
As shown in fig. 3, the second baffle 322 extends toward the equipment area in the cabinet body to surround the equipment at both sides, and the second channel 44 is extended, so that the path of the cold air flow entering the equipment is separated from the air flow cooling channel, the air flow is prevented from being disturbed, and the purpose of sealing the hot air is achieved.
As shown in fig. 3, the second passage 44 is provided with a third baffle 323, and the third baffle 323 is provided with through holes for the air flow to pass through. The third baffle 323 separates the cooling device from the equipment in the cabinet 4, and the third baffle 323 is located in the second channel 44 with the cold accumulation duct 13, and continues to prolong the cooling time of the air flow.
As shown in fig. 2, the cooling device has a liquid inlet pipe 14 and a liquid outlet pipe 15, the liquid inlet pipe 14 supplies the cold storage pipe 13 and the heat exchange pipe 11 with the refrigerant, and the refrigerant in the cold storage pipe 13 and the heat exchange pipe 11 is discharged through the liquid outlet pipe 15.
As shown in fig. 5, the cabinet door 41 rotates around a door shaft 411, a water guide sliding ring 412 is arranged in the door shaft 411, the water guide sliding ring comprises a first water guide sliding ring and a second water guide sliding ring, the door shaft 411 is provided with a hole through which a liquid inlet pipe 14 and a liquid outlet pipe 15 pass, one end of the first water guide sliding ring is communicated with the liquid inlet pipe 14, and the other end of the first water guide sliding ring is communicated with a refrigerant liquid supply pipe; one end of the second water guide sliding ring is communicated with the liquid outlet pipe 15, and the other end of the second water guide sliding ring is communicated with the refrigerant liquid return pipe. The first water guide slip ring and the second water guide slip ring which are arranged inside the door shaft are fixed with the door shaft 411, the door 41 rotates relative to the door shaft 411, when the door 41 rotates, the door shaft 411 is static, so that the first water guide slip ring and the second water guide slip ring are also in a static state, a cooling device arranged on the door 41 rotates along with the door 41, a liquid inlet pipe 14 on the cooling device is connected with the first water guide slip ring, the liquid inlet pipe 14 rotates around the first water guide slip ring, a liquid outlet pipe 15 on the cooling device is connected with the second water guide slip ring, and the liquid outlet pipe 15 rotates around the second water guide slip ring. The water guide slip ring is also a rotary joint, and is a closed rotary connector capable of rotating 360 degrees for conveying media. The first water guiding slip ring and the second water guiding slip ring are arranged inside the door shaft 411, so that the liquid inlet pipe 14, the refrigerant liquid supply pipe and the liquid outlet pipe 15 can be prevented from being pulled between the refrigerant liquid return pipe. Moreover, the liquid inlet pipe 14 and the liquid outlet pipe 15 rotate around the water guide slip ring 412, and the opening and closing of the cabinet door 41 are not affected.
The cabinet door 41 includes a first cabinet door and a second cabinet door, which are disposed opposite to each other, and both of which are provided with a cooling device.
The cooling device is fixed on the first cabinet door 414 and the second cabinet door 415 in the same way, and the water guide sliding rings 412 are arranged in the door shafts 411. The hot air exhausted from the cabinet body 4 passes through the cooling device on the first cabinet door 414 to realize the first cooling; then, the hot air enters the cold accumulation pipeline 13 in the first pipeline and the second channel 44 to realize second cooling, and finally enters the cooling device on the second cabinet door 415 to realize third cooling, so that the hot air continuously and fully cools the hot air exhausted by the cabinet.
Cabinet cooling system
As shown in fig. 6, the cabinet cooling system includes a cooling device, a cabinet, and a refrigeration unit. The cooling device is installed in the cabinet door and is located inside the cabinet, the refrigerating unit comprises a compressor 51, a condenser 52 and a throttle valve 53, one end of the compressor 51 is connected with a refrigerant liquid return pipe 54, the other end of the compressor 51 is connected with one end of the condenser 52, the other end of the condenser 52 is connected with one end of the throttle valve 53, and the other end of the throttle valve 53 is connected with a refrigerant liquid supply pipe 55. The refrigerant is supplied to the machine room through the refrigerant supply pipe 55 via the compressor 51, the condenser 52 and the throttle valve 53, then flows to the heat exchange pipe 11 and the cold accumulation pipe 13 via the liquid inlet pipe 14, respectively, and then the exchanged heat flows to the refrigerating unit through the liquid outlet pipe 15 and then the refrigerant return pipe 54.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, and the scope of protection of the present invention and equivalent technical means that can be conceived by those skilled in the art based on the inventive concept.
Claims (7)
1. The cold-storage rack, its characterized in that: comprises a closed cabinet body, wherein the cabinet body comprises a cabinet door and side plates, and the cabinet door is provided with a cooling device; the cooling device is provided with an air outlet and an air inlet positioned at the air exhaust side of the equipment, a first channel for air flow to pass through is arranged between the air outlet and the cabinet door, a second channel for air flow to pass through is arranged between the cooling device and the side plate, and the first channel is communicated with the second channel; the first channel and the second channel are both provided with cold accumulation pipelines; the cold accumulation pipelines in the first channel and the second channel extend from the condensation area;
the cooling device comprises a condensing area and a heat dissipation area arranged on the exhaust side of the cabinet equipment, the condensing area is separated from the heat dissipation area by a partition board, and the condensing area is positioned in a closed space; the condensing area is filled with cold storage medium, the cold storage medium is inserted with a cold storage pipeline and a heat pipe, the heat pipe is provided with a condensing section and a heat dissipation section, the condensing section is positioned in the condensing area, and the heat dissipation section is positioned in the heat dissipation area; the outside of the condensing section is sleeved with a heat exchange pipeline for the refrigerant to pass through, and the condensing section and the heat exchange pipeline form a sleeve type heat pipe;
the air outlet is provided with a first baffle, and a gap between the first baffle and the cabinet door is a first channel; and second baffles are arranged on two sides of the heat dissipation area, and a gap between the second baffles and the side plates is a second channel.
2. The cold storage cabinet of claim 1, wherein: the first baffle is provided with a through hole for the cold air flow to pass through.
3. The cold storage cabinet of claim 1, wherein: the first baffle and the second baffle are fixed with the bottom end of the baffle.
4. The cold storage cabinet of claim 1, wherein: the second channel is provided with a third baffle.
5. The cold storage cabinet of claim 4, wherein: the third baffle is provided with a through hole for the air flow to pass through.
6. The cold storage cabinet of claim 1, wherein: the cooling device is provided with a liquid inlet pipe and a liquid outlet pipe, one ends of the cold accumulation pipeline and the heat exchange pipeline are communicated with the liquid inlet pipe, and the other ends of the cold accumulation pipeline and the heat exchange pipeline are communicated with the liquid outlet pipe.
7. The cold storage cabinet of claim 4, wherein: the cabinet door rotates through a door shaft, a water guide sliding ring is arranged in the door shaft and comprises a first water guide sliding ring and a second water guide sliding ring, and the first water guide sliding ring is communicated with the liquid inlet pipe; the second water guiding slip ring is communicated with the liquid outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589439.0A CN108668507B (en) | 2018-06-08 | 2018-06-08 | Cold accumulation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589439.0A CN108668507B (en) | 2018-06-08 | 2018-06-08 | Cold accumulation cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108668507A CN108668507A (en) | 2018-10-16 |
| CN108668507B true CN108668507B (en) | 2023-11-14 |
Family
ID=63774308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810589439.0A Active CN108668507B (en) | 2018-06-08 | 2018-06-08 | Cold accumulation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108668507B (en) |
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