CN110430727B - Heat pipe backboard air conditioning system - Google Patents
Heat pipe backboard air conditioning system Download PDFInfo
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- CN110430727B CN110430727B CN201910695406.9A CN201910695406A CN110430727B CN 110430727 B CN110430727 B CN 110430727B CN 201910695406 A CN201910695406 A CN 201910695406A CN 110430727 B CN110430727 B CN 110430727B
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- units
- cabinets
- heat
- air conditioning
- heat pipe
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 32
- 238000001704 evaporation Methods 0.000 claims abstract description 77
- 230000008020 evaporation Effects 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000005494 condensation Effects 0.000 claims abstract description 27
- 238000009833 condensation Methods 0.000 claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 description 13
- 239000003507 refrigerant Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a heat pipe backboard air conditioning system, which comprises a plurality of cabinets and a plurality of backboard heat exchange systems; the heat pipe backboard air conditioning system further comprises a frame used for connecting the cabinet and the backboard heat exchange system, and two ends of the frame are respectively connected with a row of cabinets; the back plate heat exchange system comprises a plurality of evaporation units, at least two condensation units, a gas pipeline connected with the evaporation units and the condensation units, a liquid pipeline connected with the condensation units and the evaporation units and a cold water system used for providing cold sources for the condensation units; the evaporation unit is arranged on the frame and is positioned at the rear side of the tail end of the cabinet; according to the heat pipe backboard air conditioning system provided by the invention, the connecting frames for installing the evaporating units are arranged between the two rows of cabinets, so that the rapid matching of different machine room structures and different cabinet forms is realized, in addition, the heat pool is arranged between the evaporating units and the cabinets, the heat redundancy and the air volume redundancy of the evaporating units can be realized, and the safety of the heat pipe backboard air conditioning system is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a heat pipe backboard air conditioning system.
Background
With the rapid development of Internet Data Center (IDC) industry, the heat density of single cabinets is higher and higher, and the heat load of each cabinet can reach 15KW or higher, so the requirement for a solution of high heat density heat dissipation is urgent.
The problems of local hot spots, high heat dissipation energy consumption, complex machine room construction and the like exist in the traditional solutions of room-level and line-level precise air conditioners and the like due to the limitations of factors such as refrigeration forms, air supply distances and the like, and the contradiction between the increasingly-increased cabinet power density and green energy conservation in the IDC industry cannot be solved.
At present, a heat pipe backboard technology is introduced in the industry, and the heat pipe technology of phase change heat exchange is utilized to cool the exhaust air of the server cabinet: the refrigerant is heated and evaporated at the side of the cabinet, the evaporated refrigerant gas moves to the condensing end, and the refrigerant gas flows back to the evaporating end after condensation; because the heat pipe backboard heat dissipation technology has the advantages of point-to-point accurate cooling, low energy consumption and the like, the heat pipe backboard heat dissipation technology is widely applied to IDC industry at present.
However, the heat pipe backboard heat dissipation technology still has great limitation in practical application:
1. Because the heat pipe backboard is directly connected with the cabinet, a point-to-point accurate refrigeration mode is adopted, when the heat pipe backboard fails, if no corresponding redundancy measures are adopted, the cooling failure of the corresponding cabinet is meant, and the condition that the temperature of the server is too high to fail is easily caused.
2. Because of the connection mode of the heat pipe backboard and the cabinet, when the backboard is opened to maintain the server of the cabinet or the backboard is opened to maintain the heat pipe backboard, the refrigeration of the cabinet is in a failure state, and the situation that the server is too high in temperature and fails is easily caused.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a heat pipe back plate air conditioning system, which solves the heat dissipation problem of a high heat density cabinet and improves the redundancy, safety and effectiveness of a back plate heat exchange system.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A heat pipe backboard air conditioning system comprises a plurality of cabinets and a plurality of backboard heat exchange systems; the heat pipe backboard air conditioning system further comprises a frame used for connecting the cabinet and the backboard heat exchange system, and two ends of the frame are respectively connected with a row of cabinets; the back plate heat exchange system comprises a plurality of evaporation units, at least two condensation units, a gas pipeline connected with the evaporation units and the condensation units, a liquid pipeline connected with the condensation units and the evaporation units and a cold water system used for providing cold sources for the condensation units; the evaporation unit is arranged on the frame and is positioned at the rear side of the tail end of the cabinet.
In the heat pipe backboard air conditioning system, the air pipeline comprises a first air pipeline and a second air pipeline which are arranged in a crossing way, and the liquid pipeline comprises a first liquid pipeline and a second liquid pipeline which are arranged in a crossing way; the first gas pipeline and the first liquid pipeline are respectively connected with the odd-numbered evaporating units of the first row of cabinets, the even-numbered evaporating units of the second row of cabinets and the second condensing unit, and the second gas pipeline and the second liquid pipeline are respectively connected with the even-numbered evaporating units of the first row of cabinets, the odd-numbered evaporating units of the second row of cabinets and the first condensing unit.
In the heat pipe backboard air conditioning system, a space area between the tail end of the cabinet and the evaporation unit is a heat pool.
In the heat pipe backboard air conditioning system, the evaporation unit is connected with the gas pipeline and the liquid pipeline respectively through connecting hoses and connectors, and the condensation unit is connected with the gas pipeline and the liquid pipeline respectively through connector connection.
In the heat pipe backboard air conditioning system, the cold water system comprises at least two cold water units and a ring network pipeline connected with the cold water units and the condensing unit.
In the heat pipe backboard air conditioning system, a first adjusting valve is arranged at the joint of the evaporation unit and the gas pipeline, and a second adjusting valve is arranged at the joint of the evaporation unit and the liquid pipeline.
In the heat pipe backboard air conditioning system, heat pools among the same-row cabinets and different cabinets are communicated.
In the heat pipe backboard air conditioning system, sealing plates for sealing the heat pool are arranged at two ends of the heat pool.
In the heat pipe backboard air conditioning system, the ring network pipeline comprises a low-temperature water supply ring network pipeline and a high-temperature water return ring network pipeline.
In the heat pipe backboard air conditioning system, a third adjusting valve is arranged at the joint of the condensing unit and the low-temperature water supply ring network pipeline, and a fourth adjusting valve is arranged at the joint of the condensing unit and the high-temperature water return ring network pipeline.
Advantageous effects
Compared with the prior art, the invention provides a heat pipe backboard air conditioning system, which has the following advantages:
(1) A connecting frame for installing the evaporating units is arranged between the two rows of cabinets, so that quick matching of different machine room structures and different cabinet forms is realized;
(2) A heat pool is arranged between the evaporation unit and the cabinet, so that the redundancy of heat and air quantity of the evaporation unit can be realized; the maintainability of the cabinet server and the evaporation unit can be realized;
(3) The back plate heat exchange system comprises gas pipelines and liquid pipelines which are arranged in a crossing way and are used for connecting the evaporation unit and the condensation unit, so that the heat redundancy of the failure of the condensation unit is realized, and the cold quantity of the condensation unit can be fully utilized.
Drawings
FIG. 1 is a schematic diagram of a heat pipe back panel air conditioning system according to the present invention;
FIG. 2 is an enlarged view of portion A of the structural schematic provided by the present invention;
FIG. 3 is a schematic diagram of another embodiment of a heat pipe back panel air conditioning system according to the present invention;
fig. 4 is an enlarged view of a portion B of a schematic structural diagram of another embodiment provided by the present invention.
In the drawing, N represents an odd number, N-1 represents an even number, and N.gtoreq.1.
Detailed Description
The invention provides a heat pipe backboard air conditioning system, which is used for making the purpose, the technical scheme and the effect of the invention clearer and more definite, and the invention is further described in detail below by referring to the attached drawings and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the azimuth or positional relationship indicated by the term "end" or the like is based on the azimuth or positional relationship of the present invention in actual use, and is merely for convenience of description of the present invention and simplification of description. In addition, the terms "first," "second," "third," "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Example 1
Referring to fig. 1 and 2, the present invention provides a heat pipe back plate air conditioning system, which includes a plurality of cabinets and a plurality of back plate heat exchanging systems; the heat pipe backboard air conditioning system further comprises a frame 1 for connecting the cabinet and the backboard heat exchange system, wherein two ends of the frame 1 are respectively connected with a row of cabinets; the back plate heat exchange system comprises a plurality of evaporation units, at least two condensation units, a gas pipeline connected with the evaporation units and the condensation units, a liquid pipeline connected with the condensation units and the evaporation units and a cold water system used for providing cold sources for the condensation units; the evaporation unit is arranged on the frame and positioned at the rear side of the tail end of the cabinet, and is at a certain distance from the tail end of the cabinet; in this embodiment, the number of the condensing units is two.
The frame 1 is provided with an installation position of the evaporation unit corresponding to each cabinet, but in the actual use process, the evaporation units can be selectively installed according to different heat loads of the cabinets; in the actual use process, the evaporation units can be arranged at the tail ends of all the cabinets or optionally at the tail ends of some sub-cabinets to meet the heat dissipation requirement of the cabinets, for example, when the heat removal capacity of the evaporation units is more than or equal to 2 times of the heat load of a single cabinet, the adjacent cabinets can share one evaporation unit; when one evaporation unit fails, the adjacent evaporation units can act as redundancy backup.
The frame 1 can be divided into a single row form, a double row form, a triple row form, a double column form and the like, and corresponds to two rows of double cabinets, two rows of double cabinets and two columns of double cabinets and two rows of double cabinets and two columns of double cabinets and six columns of double cabinets respectively; referring to fig. 1, in this embodiment, the frame is in the form of two rows and two columns, corresponding to two columns and four cabinets.
Further, referring to fig. 2, the gas lines include a first gas line 21 and a second gas line 22 that are arranged in a crossing manner, and the liquid lines include a first liquid line 31 and a second liquid line 32 that are arranged in a crossing manner; the first gas line 21 and the first liquid line 31 are respectively connected to the odd-numbered evaporation units of the first row of cabinets, the even-numbered evaporation units of the second row of cabinets, and the second condensation unit, and the second gas line 22 and the second liquid line 32 are respectively connected to the even-numbered evaporation units of the first row of cabinets, the odd-numbered evaporation units of the second row of cabinets, and the first condensation unit.
By adopting the arrangement mode of the pipelines and the two condensing units which are arranged in a crossed manner, when one condensing unit fails or the other condensing unit needs to be maintained, the other condensing unit still can realize heat exchange with the refrigerant in the part of the evaporating units, namely the part of the evaporating units still are in a normal working state, heat in the heat pool can be taken away, heat dissipation of the cabinet is realized, and the situation that the temperature of the server is too high to fail is avoided.
Further, a space area between the tail end of the cabinet and the evaporation unit is a heat pool 4; the heat pool can collect heat of the cabinet servers, and when a certain evaporation unit or a server of a certain cabinet needs to be maintained, the heat pool can be utilized for heat dissipation redundancy; in this embodiment, the distance between the cabinet end and the evaporation unit is greater than 150mm.
In this embodiment, the evaporation unit has flowing therein a liquid refrigerant, which may be, but is not limited to, R134a freon refrigerant,
The working principle of the invention is as follows: the heat that the rack distributes gathers in the hot pond, and the refrigerant in the evaporation unit absorbs the heat in hot pond, and the evaporation of being heated is gaseous, flows through gas line to condensing unit, and condensing unit absorbs the heat, and the refrigerant becomes liquid, flows back to the evaporation unit through the liquid pipeline, realizes the point-to-point accurate heat dissipation of rack, and the radiating efficiency of rack is high, and the radiating effect is good, and has energy saving and consumption reduction's advantage.
Further, the evaporation unit is connected with the gas pipeline and the liquid pipeline respectively through the connection hose and the connector, so that the evaporation unit can be quickly disassembled and assembled, and the evaporation unit can be conveniently maintained; the condensing unit is connected with the gas pipeline and the liquid pipeline respectively through the connector connection, so that the condensing unit can be quickly disassembled and assembled, and the condensing unit can be conveniently maintained.
Further, the cold water system comprises at least two cold water units and a ring network pipeline connected with the cold water units and the condensing unit; in this embodiment, the water chiller may adopt a normal working mode of one unit, a standby working mode of one unit, or two working modes of two units running simultaneously; different working modes can be selected according to different heat loads of the cabinet, the heat dissipation effect is good, and the heat dissipation device has the effects of energy conservation and consumption reduction.
Further, referring to fig. 2, a first adjusting valve is disposed at a connection position of the evaporation unit and the gas pipeline, and a second adjusting valve is disposed at a connection position of the evaporation unit and the liquid pipeline; the first regulating valve and the second regulating valve are arranged, so that the gas flow in the gas pipeline and the liquid flow in the liquid pipeline can be controlled conveniently.
Further, referring to fig. 2, the heat sinks of the same cabinet and different cabinets are communicated, which is beneficial to the series flow of air flow.
Further, the sealing plates are arranged at the two ends of the heat pool, and play a role in sealing the heat pool, so that heat emitted by the cabinet is concentrated in the heat pool, the evaporation unit is convenient to cool air, and the heat exchange efficiency of the evaporation unit is improved.
Further, the ring network pipeline comprises a low-temperature water supply ring network pipeline 51 and a high-temperature water return ring network pipeline 52; the condensing unit is connected with the water chilling unit through a low-temperature water supply ring network pipeline and a high-temperature water return ring network pipeline respectively, so that circulation of chilled water is realized.
Further, a third regulating valve is arranged at the joint of the condensing unit and the low-temperature water supply ring network pipeline, and a fourth regulating valve is arranged at the joint of the condensing unit and the high-temperature water return ring network pipeline; the third regulating valve and the fourth regulating valve are arranged, so that the liquid flow in the low-temperature water supply ring network pipeline and the liquid flow in the high-temperature water return ring network pipeline can be controlled conveniently.
Example 2
Referring to fig. 3 and 4, the main difference between the present embodiment and embodiment 1 is that: the frame is in the form of four rows and two columns, and corresponds to two columns and eight cabinets; in this embodiment, the heat dissipation principle of the cabinet is the same as that of embodiment 1, and the connection manner of the evaporation units and the condensation units is the same as that of embodiment 1, that is, the first gas pipeline 21 and the first liquid pipeline 31 are respectively connected to the odd-numbered evaporation units of the first row of cabinets, the even-numbered evaporation units of the second row of cabinets, the odd-numbered evaporation units of the third row of cabinets, the even-numbered evaporation units of the fourth row of cabinets, and the second condensation unit, and the second gas pipeline 22 and the second liquid pipeline 32 are respectively connected to the even-numbered evaporation units of the first row of cabinets, the odd-numbered evaporation units of the second row of cabinets, the even-numbered evaporation units of the third row of cabinets, the odd-numbered evaporation units of the fourth row of cabinets, and the first condensation unit.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such substitutions and modifications are intended to be within the scope of the present invention as defined in the appended claims.
Claims (7)
1. The heat pipe backboard air conditioning system comprises a plurality of cabinets and a plurality of backboard heat exchange systems, and is characterized by further comprising a frame for connecting the cabinets and the backboard heat exchange systems, wherein two ends of the frame are respectively connected with a row of cabinets; the back plate heat exchange system comprises a plurality of evaporation units, at least two condensation units, a gas pipeline connected with the evaporation units and the condensation units, a liquid pipeline connected with the condensation units and the evaporation units and a cold water system used for providing cold sources for the condensation units; the evaporation unit is arranged on the frame and is positioned at the rear side of the tail end of the cabinet; the space area between the tail end of the cabinet and the evaporation unit is a heat pool, and the heat pools of the same cabinet and different cabinets are communicated;
The gas pipeline comprises a first gas pipeline and a second gas pipeline which are arranged in a crossing way, and the liquid pipeline comprises a first liquid pipeline and a second liquid pipeline which are arranged in a crossing way; the first gas pipeline and the first liquid pipeline are respectively connected with the odd-numbered evaporating units of the first row of cabinets, the even-numbered evaporating units of the second row of cabinets and the second condensing unit, and the second gas pipeline and the second liquid pipeline are respectively connected with the even-numbered evaporating units of the first row of cabinets, the odd-numbered evaporating units of the second row of cabinets and the first condensing unit.
2. The heat pipe backplate air conditioning system of claim 1, wherein the evaporation unit is connected to the gas and liquid lines respectively by a connection hose and a connector connection, and the condensation unit is connected to the gas and liquid lines respectively by a connector connection.
3. The heat pipe backplate air conditioning system of claim 1, wherein the cold water system comprises at least two cold water sets and a looped network pipeline connecting the cold water sets and the condensing unit.
4. The heat pipe backplate air conditioning system of claim 2, wherein a first regulating valve is provided at the junction of the evaporation unit and the gas line, and a second regulating valve is provided at the junction of the evaporation unit and the liquid line.
5. The heat pipe back panel air conditioning system of claim 1, wherein sealing plates for sealing the heat pool are provided at both ends of the heat pool.
6. A heat pipe backplate air conditioning system according to claim 3 wherein the looped network piping comprises a low temperature water supply looped network piping and a high temperature return looped network piping.
7. The heat pipe back plate air conditioning system according to claim 6, wherein a third adjusting valve is arranged at a joint of the condensing unit and the low-temperature water supply ring network pipeline, and a fourth adjusting valve is arranged at a joint of the condensing unit and the high-temperature water return ring network pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695406.9A CN110430727B (en) | 2019-07-30 | Heat pipe backboard air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695406.9A CN110430727B (en) | 2019-07-30 | Heat pipe backboard air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110430727A CN110430727A (en) | 2019-11-08 |
| CN110430727B true CN110430727B (en) | 2024-06-04 |
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| CN204231833U (en) * | 2014-09-24 | 2015-03-25 | 浙江盾安人工环境股份有限公司 | A kind of cooling system for computer case |
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