CN205717833U - Annular heat pipe array heat exchanger and comprise its heat-exchange system - Google Patents
Annular heat pipe array heat exchanger and comprise its heat-exchange system Download PDFInfo
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- CN205717833U CN205717833U CN201620340813.XU CN201620340813U CN205717833U CN 205717833 U CN205717833 U CN 205717833U CN 201620340813 U CN201620340813 U CN 201620340813U CN 205717833 U CN205717833 U CN 205717833U
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Abstract
A kind of annular heat pipe array heat exchanger, including condensation end and evaporation ends, described condensation end and evaporation ends all include the horizontal pipeline of multichannel；Described heat exchanger also includes two manifold pipelines, said two manifold pipeline is oppositely arranged, and each manifold pipeline is connected to the horizontal pipeline of condensation end and evaporation ends, forming multiple closed circuit, two manifold pipelines are respectively the first manifold pipeline and the second manifold pipeline.And the heat-exchange system containing this heat exchanger.This annular heat pipe array heat exchanger, utilizes the condition that autumn and winter season in spring outdoor temperature is relatively low, under the conditions of consumption power is less, the heat of interior volume is transferred to outdoor, saves a large amount of air conditioning energy consumption, can be applicable to the heat exchange of data center or interior of equipment cabinet.
Description
Technical field
This utility model relates to field of heat exchange, further to a kind of annular heat pipe array heat exchanger, and comprises the heat-exchange system of this heat exchanger.
Background technology
Data center or communication cabinet big and concentrate (unit are with energy far above the consumption of office building) with energy, runs without interruption for 24 hours, and year, hours of operation was far above other commercial buildings.Along with global warming and the shortage of the energy, the efficient Utilizing question of the energy highlights day by day, how to reduce power usage efficiency (power usage efficiency=facility general power/information technoloy equipment power), it has also become the target that data center operational management personnel pursue.
According to the service requirement of equipment, data center or communication cabinet need to guarantee the reliability service of system in the space that environment is controlled, wherein, topmost be exactly the temperature environment of operation in the range of 20-25 DEG C, and keep the cleaning of internal medium.The most general way uses air-conditioning or thermoelectric refrigeration device exactly.
For data center, general employing is large power air-conditioned and installs automatic temperature control to regulate the temperature of data center, along with the heat dissipation capacity of host computer system is more and more higher, the power of air-conditioning is increasing, simultaneously in order to avoid main frame overtemperature fault, the lower air-supply of general employing, the air supply mode of upper return air in machine room.There is perforated tiles in each rack front portion, be used for sending cold wind.Additionally, the air-conditioning of machine room is it must also be ensured that have good air flowing in machine room, there is not hot localised points and wind short circuit phenomenon, the different location temperature difference of machine room is less.
For communication cabinet, except using in addition to air-conditioning cools down, due to thermoelectric cooling (TEC) itself do not have moving component, pollute without cold-producing medium, simple in construction and integrated level height, be also widely used in communication cabinet.But the power of single TEC is the least, in the application of communication cabinet, need to combine in heaps use by after TEC connection in series-parallel.In use, the cold end surface of TEC installs fin and fan is positioned in communication cabinet, is positioned over the outside of communication cabinet at the hot junction of TEC installation fin and fan, thus controls the temperature within communication cabinet.
In current efficient heat transfer device, heat pipe has been widely used, as shown in Figure 1, prior art provides a kind of cooling using heat exchange of heat pipe to carry out machine room, use separate evaporation ends and condensation end, it is connected between evaporation ends with condensation end and has the conduit constituting peripheral passage, in conduit, be provided with heat-pipe medium.Thus can effectively utilize the ambient temperature that winter is relatively low with season in spring and autumn.
From above-mentioned technical scheme, no matter it is that employing is large power air-conditioned or TEC is to control the temperature of equipment, is required for consuming substantial amounts of electric energy.Further, since the conversion efficiency of thermoelectric of TEC is relatively low, the efficiency of energy utilization of this type of cooling is low, in order to reach the load of requirement, needs a lot of TEC are carried out connection in series-parallel use, system complex, and reliability is low.
In colder winter in spring and autumn, owing to outdoor temperature is low, it is possible to use the temperature difference of indoor and outdoor, under conditions of not consuming power, indoor heat is transferred to outdoor, save the power consumption of air-conditioning.But the requirement due to cleanliness factor, it is impossible to directly indoor-outdoor air is swapped, and need to use the Efficient Heat Transfer Exchangers such as heat pipe.
The heat exchange of heat pipe that evaporation ends separates with condensation end uses the mode connecting conduit, and the steam that all of evaporation ends produces all is transported by connection conduit, and causing flow resistance increases；Steam i.e. starts condensation in the porch of condensation side, and lower section steam is less, and the temperature distributing disproportionation causing condensation side device is even, it is impossible to well play the exchange capability of heat of condensation side.On the other hand if machine room area is relatively big, evaporation ends and condensation end distant, cause and connect the length of conduit and increase, also bring along the consequence that thermal resistance increases.If the thermal resistance of heat exchange of heat pipe increases, then meaning that the temperature difference of evaporation ends and condensation end increases, under lower outdoor temperature environment only, heat exchange of heat pipe just can enable, and therefore causes annual available natural law to reduce, and energy-saving effect reduces.
Utility model content
In view of this, the purpose of this utility model is the heat-exchange system providing a kind of annular heat pipe array heat exchanger and comprising it.
For achieving the above object, according to this utility model on the one hand, it is provided that a kind of annular heat pipe array heat exchanger, including condensation end and evaporation ends, wherein:
Described condensation end and evaporation ends all include the horizontal pipeline of multichannel；
Described heat exchanger also includes two manifold pipelines, said two manifold pipeline is oppositely arranged, and each manifold pipeline is connected to the horizontal pipeline of condensation end and evaporation ends, so that heat exchanger forms multiple closed circuit, two manifold pipelines are respectively the first manifold pipeline and the second manifold pipeline.
According to a specific embodiments of the present utility model, the horizontal pipeline of multichannel of described evaporation ends comprises evaporation ends upper pipeline, at least part of pipeline of described evaporation ends upper pipeline is arranged to one end and connects the first manifold pipeline, is then connected to the second manifold pipeline at evaporation ends through one or more other ends of turning back.
According to a specific embodiments of the present utility model, the horizontal pipeline of multichannel of described condensation end comprises condensation end lower manifold, at least part of pipeline of described condensation end lower manifold is arranged to one end and is connected to the second manifold pipeline, is connected to the first manifold pipeline at condensation end through one or more other ends of turning back.
According to a specific embodiments of the present utility model, also including a female pipe being vertically arranged, described female pipe connects with the plurality of closed circuit, makes multiple closed circuit realize Medium Exchange.
According to a specific embodiments of the present utility model, described female pipe is arranged between the first manifold pipeline and condensation end, or is arranged between the second manifold pipeline and condensation end, and described female pipe is provided with a heat transferring medium and fills mouth；Preferably, the part pipeline of described manifold pipeline and horizontal direction are the angle of inclination of 1-30 °.
According to a specific embodiments of the present utility model, the horizontal pipeline of described condensation end is connected to female pipe through the connecting line that one section of height increases, to avoid condensed fluid to enter mother's pipe.
According to a specific embodiments of the present utility model, also include multiple vertical female pipe, be respectively communicated with the plurality of closed circuit of part.
According to one side of the present utility model, it is provided that a kind of annular heat pipe array heat exchanger, including condensation end and evaporation ends, wherein:
Described condensation end and evaporation ends all include the horizontal pipeline of multichannel；
Also including 2N the manifold pipeline that N group is oppositely arranged two-by-two, each manifold pipeline is connected to the horizontal pipeline of condensation end and evaporation ends, forms N group closed circuit；
Also including that N number of female pipe being vertically arranged, each described female pipe connect with each described closed circuit, wherein N is the natural number of more than 2.
According to a specific embodiments of the present utility model, the horizontal pipeline of multichannel of described condensation end and evaporation ends is inside and outside Multi-layers distributing.
According to one side of the present utility model, there is provided a kind of for communication cabinet or the heat-exchange system of computer center, including any of the above one annular heat pipe array heat exchanger, the most also including the air channel collecting heat, described air channel end passes to the evaporation ends of the annular heat pipe array heat exchanger of described heat-exchange system.
By technique scheme, the beneficial effects of the utility model are:
(1) by arranging relative manifold pipeline between evaporation ends and condensation end, steam can flow to condensation end along both direction, and the flow resistance of steam significantly reduces；
(2) by being provided with the annular heat pipe array heat exchanger of female pipe, utilize the condition that autumn and winter season in spring outdoor temperature is relatively low, under the conditions of consumption power is less, the heat of interior volume is transferred to outdoor, thus save substantial amounts of air conditioning energy consumption, and during heat shifts, do not produce the exchange of inner air and outer air, it is ensured that data center or the cleanliness factor of interior of equipment cabinet；
(3) native system is compared compared to the system with air-conditioning or TEC, and system saves electric energy, simple in construction, and reliability is high.
(4) part contacted with female pipe has the pipeline (being especially a Yi shape structure) being highly gradually increasing, thus avoid condensed fluid and enter into female pipe, drop into the bottom of female pipe under gravity, all accumulate to the bottom of evaporation ends, affect heat exchange of heat pipe, the reverse flow partly avoiding vapour-liquid causes flow resistance to increase, and above-mentioned design all reduces the thermal resistance of system；
(5) by arranging band mother's pipe ring shape heat exchange of heat pipe array, steam can fill the air in whole heat exchanger, in the place that sink temperature is low, evaporation ends is bigger with the pressure reduction of condensation end, condensation number is the most, temperature homogeneity is good, adapts to amount of localized heat change, adapts to Cooling and Heat Source ability pockety strong；
(6) heat pipe array shares one and fills mouth, only need to fill once, fills technique simple, and cost is greatly reduced.Owing to internal capacity is big, filling rate precision is prone to ensure, brings convenience to industrial design and manufacture；
(7) for the calculating center that area is bigger, collecting, by installing air channel, the heat that each rack produces, the scheme focused on by heat exchange of heat pipe is designed, and overcoming the length owing to connecting conduit increases, and the thermal resistance brought increases；
(8) except the cooling being applied to the equipment such as communication cabinet, communication base station, server cabinet, server room, it may also be used for the waste heat recovery of the industries such as HVAC, chemical industry, the energy.
Accompanying drawing explanation
Fig. 1 is a kind of heat exchanger of the prior art.
Fig. 2 is the schematic diagram of the annular heat pipe array heat exchanger of this utility model one embodiment.
Fig. 3 is the 3-D view of the annular heat pipe array heat exchanger of this utility model one embodiment.
Fig. 4 is the annular heat pipe array structure schematic diagram that this utility model one embodiment hides fin.
Fig. 5 is that the condensation end of Fig. 4 amplifies schematic perspective view with the annexation of female pipe.
Fig. 6 is that the condensation end of Fig. 4 amplifies schematic cross-section with the annexation of female pipe.
Fig. 7 is the 3-D view of the annular heat pipe array heat exchanger of the another embodiment of this utility model.
Fig. 8 is the 3-D view of the annular heat pipe array heat exchanger of the another embodiment of this utility model.
Fig. 9 is the 3-D view of the annular heat pipe array heat exchanger of the another embodiment of this utility model.
Figure 10 is the large-scale heat-exchange system schematic diagram of this utility model one embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and referring to the drawings, the utility model is described in further detail.In the description, same or analogous drawing reference numeral indicates same or analogous parts.Following referring to the drawings explanation to this utility model embodiment is intended to explain overall utility model of the present utility model design, and is not construed as a kind of limiting of the present utility model.
According to this utility model utility model design generally, it is provided that a kind of annular heat pipe array heat exchanger, including condensation end and evaporation ends, by two the manifold pipelines being oppositely arranged, it is achieved the heat exchange of many loops.Hereinafter each parts are arranged and combine accompanying drawing and be specifically described.
As shown in Figure 2, high temperature air in thermal source 2 (such as communication cabinet) first passes around the evaporation ends 101 of annular heat pipe array heat exchanger 1 (hereinafter referred to as: heat exchange of heat pipe), the evaporation ends 101 of heat pipe absorbs the heat carried in high temperature air, working medium in heat pipe is evaporated after absorbing heat, entering into condensation end 102, in condensation end, working medium condensation is released to the outer Cryogenic air of cabinet, thus achieve the exchange of heat inside and outside communication cabinet, and do not occur inner air and outer air to exchange.Applying in the case of ensureing in-cabinet temperature of heat pipe, saves the electricity consumption of air-conditioning or TEC.
If Fig. 3 is the 3-D view of heat exchange of heat pipe, Fig. 4 is the loop checking installation concealing heat exchange fin.This heat exchange of heat pipe can be formed with the annular heat pipe array of female pipe by one.
If Fig. 4 is the structural representation of heat pipe array, upper pipeline 103-1, middle part pipeline 103-2, lower manifold 103-3, female pipe 104 form array.With the part of fin in being positioned at evaporation ends 101 and condensation end 102, internal pipeline is the level of state, and be the angle of inclination of 1 °-30 ° connecting pipeline 103-a and the 103-b part of evaporation ends 101 and condensation end 102 and horizontal direction, it is ensured that the smooth backflow of coagulating liq.Walk a backhaul in the evaporation side of the pipeline 103-1 of heat exchange of heat pipe 1 the superiors more, walk a backhaul in the condensation side of heat exchange of heat pipe 1 undermost pipeline 103-3 more, thereby increase evaporation ends 101 and the heat exchange area of condensation end 102 in heat exchange of heat pipe.
Loop 103 is installed and connects female pipe 104, pipeline 103-1,103-2,103-3 are coupled together, form the entirety of a UNICOM.Female pipe 104 is provided with the encapsulation mouth for evacuation and fluid injection.Pipeline 103-1,103-2,103-3 the most afterwards through a Yi shape (shown in Fig. 5, Fig. 6) structure, make discrepancy in elevation h of both sides meet or exceed caliber from condensation end, and manage with mother and be connected.Be designed to both sides as shown in Figure 5 having the main purpose of certain height difference structure is to prevent condensed fluid from entering into female pipe when of backflow, all falls to the bottom of female pipe, causes the working medium can not be in the distribution of evaporation ends inner homogeneous.
Packaging technology and the working mechanism of this heat exchange of heat pipe be:
(1) opposite heat tube heat exchanger 1 carries out ultrasonic waves for cleaning, removes the greasy dirt on surface.
(2) heat exchange of heat pipe 1 is put into high temperature drying case, remove the moisture within heat exchange of heat pipe.
(3) by the encapsulation mouth evacuation on female pipe, when the pressure of internal system is less than 1Pa, closes vacuum pump, and keep heat exchange of heat pipe 1 to be in vacuum state.
(4) in heat exchange of heat pipe, a certain amount of liquid working substance is encapsulated, these working medium can be: the multiple organic working medium such as ethanol, R134a, R22, R410a, R113 or freon class working medium, according to the difference of hot working fluid physical parameter, liquid filled ratio is between 20%-80%.
Working fluid phase changing process in heat exchange of heat pipe 1 is as follows:
Working medium absorbs heat of vaporization in evaporation ends 101, by the connecting line 103-a between evaporation ends and condensation end, 103-b is transported in condensation end, compared to condensation end and evaporation ends by the way of two pipelines connections, in using 103-a and 103-b this bilateral connecting line, all corresponding two connecting lines of each loop, steam can flow to condensation end along both direction, and the flow resistance of steam significantly reduces.Liquid is flow back in evaporation ends by 103-a after condensing in condensation end, and 103-b does not has the backflow of condensed fluid, this is that the part contacted with female pipe due to 103-b has a Yi shape structure, thus avoid condensed fluid and enter into female pipe, drop into the bottom of female pipe under gravity, all accumulating to the bottom of evaporation ends, affect the performance of heat exchange of heat pipe 1, the reverse flow partly avoiding vapour-liquid causes flow resistance to increase.
1., according to heat radiation load and different requirement, the loop quantity of composition heat pipe array can be adjusted.
2. according to heat radiation load and different requirement, as it is shown in fig. 7, the embodiment above can be designed to inside and outside double-deck loop or the structure of multi-ring roads.
3. a thick female pipe or the square chamber of equivalence therewith when being designed to inside and outside double-deck loop or multi-ring roads, as shown in Figure 8, can be shared.
4. when being designed to the structure of double loop or many loops, as it is shown in figure 9, mother's pipe or chamber, side can be shared respectively in each section of upper, middle and lower portion.
Conceiving based on same utility model, this utility model provides a kind of for communication cabinet or the heat-exchange system of computer center.
In the embodiment of small-sized heat-exchange system, such as towards be the heat radiation of rack, due to the small volume of rack, the fan relied in heat exchange of heat pipe on evaporation ends can realize the air current composition of interior of equipment cabinet.And for large-scale cooling system, such as the heat exchange of data center, the rack that a lot of group is similar can be deposited, and if the heat exchange of heat pipe that each installation that integrates with is similar to can cause system complex, installation difficulty.The present embodiment is intended collecting, by air channel, the heat that each rack produces, and the scheme focused on by heat exchange of heat pipe is designed.
The heat discharged such as the thermal source 2 (such as rack) of Figure 10 various location is collected by air channel 3, carries out heat exchange by heat exchange of heat pipe 1 and outdoor.In figure, the direction of arrow is the direction of hot-air flowing.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect are further described; it it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (11)
1. an annular heat pipe array heat exchanger, including condensation end and evaporation ends, it is characterised in that:
Described condensation end and evaporation ends all include the horizontal pipeline of multichannel；
Described heat exchanger also includes two manifold pipelines, said two manifold pipeline is oppositely arranged, and each manifold pipeline is connected to the horizontal pipeline of condensation end and evaporation ends, making heat exchanger form multiple closed circuit, two manifold pipelines are respectively the first manifold pipeline and the second manifold pipeline.
Annular heat pipe array heat exchanger the most according to claim 1, it is characterized in that, the horizontal pipeline of multichannel of described evaporation ends comprises evaporation ends upper pipeline, at least part of pipeline of described evaporation ends upper pipeline is arranged to one end and connects the first manifold pipeline, is then connected to the second manifold pipeline at evaporation ends through one or more other ends of turning back.
Annular heat pipe array heat exchanger the most according to claim 1, it is characterized in that, the horizontal pipeline of multichannel of described condensation end comprises condensation end lower manifold, at least part of pipeline of described condensation end lower manifold is arranged to one end and is connected to the second manifold pipeline, is connected to the first manifold pipeline at condensation end through one or more other ends of turning back.
Annular heat pipe array heat exchanger the most according to claim 1, it is characterised in that also including a female pipe being vertically arranged, described female pipe connects with the plurality of closed circuit, makes multiple closed circuit realize Medium Exchange.
Annular heat pipe array heat exchanger the most according to claim 4, it is characterised in that described female pipe is arranged between the first manifold pipeline and condensation end, or is arranged between the second manifold pipeline and condensation end, described female pipe is provided with a heat transferring medium and fills mouth.
Annular heat pipe array heat exchanger the most according to claim 4, it is characterised in that the part pipeline of described first manifold pipeline and the second manifold pipeline and horizontal direction are the angle of inclination of 1-30 °.
Annular heat pipe array heat exchanger the most according to claim 4, it is characterised in that the horizontal pipeline of described condensation end is connected to female pipe through the connecting line that one section of height increases, to avoid condensed fluid to enter mother's pipe.
Annular heat pipe array heat exchanger the most according to claim 1, it is characterised in that also include multiple vertical female pipe, be respectively communicated with the plurality of closed circuit of part.
9. an annular heat pipe array heat exchanger, including condensation end and evaporation ends, it is characterised in that:
Described condensation end and evaporation ends all include the horizontal pipeline of multichannel；
Also including 2N the manifold pipeline that N group is oppositely arranged two-by-two, each manifold pipeline is connected to the horizontal pipeline of condensation end and evaporation ends, so that heat exchanger forms N group closed circuit；
Also including that N number of female pipe being vertically arranged, each described female pipe connect with each described closed circuit, wherein N is the natural number of more than 2.
Annular heat pipe array heat exchanger the most according to claim 9, it is characterised in that the horizontal pipeline of multichannel of described condensation end and evaporation ends is inside and outside Multi-layers distributing.
11. 1 kinds are used for communication cabinet or the heat-exchange system of computer center, including the annular heat pipe array heat exchanger described in claim 1-10 any one, also including the air channel collecting heat, described air channel end passes to the evaporation ends of the annular heat pipe array heat exchanger of described heat-exchange system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620340813.XU CN205717833U (en) | 2016-04-21 | 2016-04-21 | Annular heat pipe array heat exchanger and comprise its heat-exchange system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620340813.XU CN205717833U (en) | 2016-04-21 | 2016-04-21 | Annular heat pipe array heat exchanger and comprise its heat-exchange system |
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| CN205717833U true CN205717833U (en) | 2016-11-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737361A (en) * | 2016-04-21 | 2016-07-06 | 中国科学院工程热物理研究所 | Annular heat pipe array heat exchanger and heat exchange system comprising annular heat pipe array heat exchanger |
| CN108240774A (en) * | 2018-02-11 | 2018-07-03 | 中国科学院工程热物理研究所 | The heat transfer unit (HTU) of heat output self adaptive control |
| CN109974137A (en) * | 2019-04-19 | 2019-07-05 | 青岛海尔智能技术研发有限公司 | A kind of air-conditioner outdoor unit and air conditioner |
| CN110411257A (en) * | 2019-07-20 | 2019-11-05 | 中国船舶重工集团公司第七二四研究所 | It is a kind of can flexible bending loop circuit heat pipe |
| CN114302608A (en) * | 2021-03-31 | 2022-04-08 | 华为数字能源技术有限公司 | Heat exchanger, cabinet and communication base station |
-
2016
- 2016-04-21 CN CN201620340813.XU patent/CN205717833U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737361A (en) * | 2016-04-21 | 2016-07-06 | 中国科学院工程热物理研究所 | Annular heat pipe array heat exchanger and heat exchange system comprising annular heat pipe array heat exchanger |
| CN105737361B (en) * | 2016-04-21 | 2019-03-01 | 中国科学院工程热物理研究所 | Annular heat pipe array heat exchanger and heat-exchange system comprising it |
| CN108240774A (en) * | 2018-02-11 | 2018-07-03 | 中国科学院工程热物理研究所 | The heat transfer unit (HTU) of heat output self adaptive control |
| CN109974137A (en) * | 2019-04-19 | 2019-07-05 | 青岛海尔智能技术研发有限公司 | A kind of air-conditioner outdoor unit and air conditioner |
| CN109974137B (en) * | 2019-04-19 | 2024-05-17 | 青岛海尔智能技术研发有限公司 | Air conditioner outdoor unit and air conditioner |
| CN110411257A (en) * | 2019-07-20 | 2019-11-05 | 中国船舶重工集团公司第七二四研究所 | It is a kind of can flexible bending loop circuit heat pipe |
| CN114302608A (en) * | 2021-03-31 | 2022-04-08 | 华为数字能源技术有限公司 | Heat exchanger, cabinet and communication base station |
| US11859917B2 (en) | 2021-03-31 | 2024-01-02 | Huawei Digital Power Technologies Co., Ltd. | Heat exchanger, cabinet, and communications base station |
| CN114302608B (en) * | 2021-03-31 | 2024-01-30 | 华为数字能源技术有限公司 | Heat exchanger, cabinet and communication base station |
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