CN104697372A - Separating type efficient heat pipe exchanger - Google Patents
Separating type efficient heat pipe exchanger Download PDFInfo
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- CN104697372A CN104697372A CN201510132701.5A CN201510132701A CN104697372A CN 104697372 A CN104697372 A CN 104697372A CN 201510132701 A CN201510132701 A CN 201510132701A CN 104697372 A CN104697372 A CN 104697372A
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- heat pipe
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Abstract
The invention discloses a separating type efficient heat pipe exchanger. The separating type efficient heat pipe exchanger comprises a primary heat pipe set, a secondary heat pipe set and a tertiary heat pipe set. According to needs, the heat pipe sets can be classified in N levels, each level of heat pipe set mainly comprises evaporators, condensers, steam pipes and liquid pipes, the evaporators are multi-level evaporators, the condensers are single-level and arranged adjacently from left to right, air is not baffled by them, one ends of the steam pipes are communicated with the tops of the evaporators, and the other ends of the steam pipes are communicated with the tops of the condensers. One ends of the liquid pipes are communicated with the bottoms of the condensers, and the other ends are communicated with the bottoms of the evaporators. The heat pipe exchanger can increase heat energy utilization rate to the greatest extent and solves the problem of high temperature difference loss and low total heat exchange efficiency in heat exchange of existing heat pipes.
Description
Technical field
The present invention relates to technical field of heat exchange, specifically, relate to a kind of novel heat pipe heat exchanging system, particularly a kind of separated high-efficiency heat pipe heat exchanger.
Background technology
In information machine room, base station class building, the caloric value of indoor equipment is very large, reaches 200 ~ 1000W/ m
2.And the annual 8760h of indoor IT equipment runs, therefore in most cases the whole year needs cooling, and its air conditioning energy consumption is very large, often account for information machine room, the overall energy consumption in base station 40% ~ 50%.Tradition air conditioner in machine room adopts compressor cooling mode whole year operation, and in fact when winter or transition season outdoor temperature are lower than indoor temperature, can utilize outdoor Cryogenic air completely as low-temperature receiver to indoor cooling, and not need compressor.Heat exchange of heat pipe is exactly that a kind of temperature difference that utilizes drives refrigerant circulation to realize the equipment of heat transmission, because it does not need compressor, evaporation and the condensation process transferring heat of cold-producing medium can be relied on, there is superior heat conductivity and isothermal characteristics, be widely used in the fields such as space flight and aviation, air-conditioning, chemical industry, oil refining.Heat exchange of heat pipe is applied in the letter only having sensible heat transfer
In breath machine room, can reduce the running time of compression-type refrigeration air-conditioning in a large number, its annual fractional energy savings can reach 50%.
The number of patent application of applicant's previous application be 201210247844.7,201210254213.8,201210257903.9,201210259692.2 and the patent of 201210279193.X give gas-liquid separation into existing when solving the work of current driving force heat pipe thoroughly and several single-stage heat pipe structures of the not enough problem of circulation power, the exhaust temperature of exhaust outlet is very high, and heat loss is still very large.
Total driving temperature difference of heat exchange of heat pipe is indoor/outdoor temperature-difference, the thermostatic characteristics of single-stage heat exchange of heat pipe internal refrigeration storage agent causes heat pipe heat loss large, the application is on basis above, and changing the intermediary with thermostatic characteristics the medium with temperature-changing characteristic into by increase heat pipe progression is the effective way realizing reducing heat transfer temperature difference loss and improving total heat exchange efficiency.Single-stage heat exchange of heat pipe changes multi-level form into, cold-producing medium in every one-level heat pipe is all considered as constant temperature fluid, then multi-stage heat pipe can realize the heat-exchanger rig of alternating temperature effect, and the heat exchange area of every grade of heat exchanger is identical, final exhaust temperature close to environment temperature, thus improves heat utilization rate to greatest extent.
Summary of the invention
A kind of separated high-efficiency heat pipe heat exchanger provided by the invention, exactly total in order to solve the problem that when current driving force heat pipe works, heat transfer temperature difference loss is large and heat exchange efficiency is low.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of separated high-efficiency heat pipe heat exchanger, comprises one-level heat pipe heat, secondary heat pipe group and three grades of heat pipe heat, can make N level heat pipe heat as required, described every one-level heat pipe heat (11; 12; 13) primarily of evaporimeter (31; 32; 33), condenser (41; 42; 43), steam pipe (51; 52; 53) and liquid line (61; 62; 63) four part compositions; It is characterized in that: described evaporimeter (31; 32; 33) be multistage evaporimeter, its mutual lay out in parallel, is assembled in same housing, is positioned at the air channel that evaporator fan (1) is formed, and shares an evaporator fan (1), each evaporimeter (31; 32; 33) oneself independently input/output terminal is had; Described condenser (41; 42; 43) be the condenser of single-stage, condenser (41; 42; 43) between, left and right next-door neighbour puts, and does not mutually keep out the wind, is assembled in same housing, be positioned at the air channel that condenser fan (2) is formed, and shares a condenser fan (2), each condenser (41; 42; 43) oneself independently input/output terminal is had; Described steam pipe (51; 52; 53) one end is communicated with evaporimeter (31; 32; 33) top, the other end and condenser (41; 42; 43) top is communicated with; Described liquid line (61; 62; 63) one end is communicated with condenser (41; 42; 43) bottom, the other end and evaporimeter (41; 42; 43) bottom is communicated with; Condenser (41; 42; 43) evaporimeter (31 is positioned at; 32; 33) top, and have certain altitude poor therebetween.
The above also comprises Two-phase fluid pump (71; 72; 73) and liquid storage flow straightener (81; 82; 83), described Two-phase fluid pump (71; 72; 73) and liquid storage flow straightener (81; 82; 83) liquid line (61 is all positioned at; 62; 63) on, described Two-phase fluid pump (71; 72; 73) input connects liquid storage flow straightener (81; 82; 83), its output connects and evaporimeter (31; 32; 33) input.
The above also comprises controller, and described controller can be connected to network, and it controls unlatching and the stopping of whole heat exchanger work.
The above evaporimeter (31; 32; 33) and condenser (41; 42; 43) be micro-channel heat exchanger.
The above condenser (41; 42; 43) to be a micro-channel heat exchanger in lower header thereon symmetrical places cutoff board and the condenser (41 having separate work areas that splits; 42; 43).
The present invention compared with prior art, there is following advantage: the intermediary with thermostatic characteristics can be changed into by the design increasing heat pipe evaporator progression the effective way that the medium with temperature-changing characteristic realizes reducing heat transfer temperature difference loss and improving total heat exchange efficiency, and save the air-conditioning installing space of machine room, condenser is by the design of single-stage, increase the temperature difference of evaporimeter and condenser, the heat exchange efficiency of every one-level is made all to realize maximizing, and then improve the heat exchange efficiency that every secondary device circulates a week, achieve the stability of whole system circulation, gas-liquid cycle pump again by adding in system, operation power is provided to whole hot-pipe system, the high and low position difference of two heat exchangers and fed distance problem when this also just solves conventional heat pipe system cloud gray model, thus reduce the service condition restriction of equipment, increase substantially the heat exchange efficiency of heat pipe, and whole system apparatus structure used is simple, environmental friendliness.
Accompanying drawing explanation
Fig. 1 is evaporation structure schematic diagram of the present invention.
Fig. 2 is condenser structure schematic diagram of the present invention.
Fig. 3 is embodiments of the present invention one structural representations.
Fig. 4 is embodiments of the present invention two structural representations.
In figure: (1) evaporator fan; (2) condenser fan; (31) evaporimeter one; (32) evaporimeter two; (33) evaporimeter three; (41) condenser one; (42) condenser two; (43) condenser three; (51) steam pipe one; (52) steam pipe two; (53) steam pipe three; (61) liquid line one; (62) liquid line two; (63) liquid line three; (71) Two-phase fluid pump one; (72) Two-phase fluid pump two; (73) Two-phase fluid pump three; (81) liquid storage flow straightener one; (82) liquid storage flow straightener two; (83) liquid storage flow straightener three.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described, is all described for three grades of separated high-efficiency heat pipe heat exchangers below.
Evaporation structure schematic diagram of the present invention as shown in Figure 1, evaporimeter (31; 32; 33) be micro-channel heat exchanger, evaporimeter (31; 32; 33) mutual lay out in parallel between, evaporimeter at different levels has oneself independently input/output terminal.
Condenser structure schematic diagram of the present invention as shown in Figure 2, condenser (41; 42; 43) to be a micro-channel heat exchanger in lower header thereon symmetrical places cutoff board and the condenser (41 having separate work areas that splits; 42; 43), each point of condenser (41; 42; 43) oneself independently input/output terminal is had.
The structural representation of embodiments of the present invention one shown in Fig. 3, native system comprises one-level heat pipe heat, secondary heat pipe group and three grades of heat pipe heat; Described every one-level heat pipe heat (11; 12; 13) primarily of evaporimeter (31; 32; 33), condenser (41; 42; 43), steam pipe (51; 52; 53) and liquid line (61; 62; 63) four part compositions; Evaporimeter (31; 32; 33) between, mutual lay out in parallel, is assembled in same housing, is positioned at the air channel that evaporator fan (1) is formed, and shares an evaporator fan (1), each evaporimeter (31; 32; 33) oneself independently input/output terminal is had; Condenser (41; 42; 43) be the condenser of single-stage, condenser (41; 42; 43) between, left and right next-door neighbour puts, and does not mutually keep out the wind, is assembled in same housing, be positioned at the air channel that condenser fan (2) is formed, and shares a condenser fan (2), each condenser (41; 42; 43) oneself independently input/output terminal is had; Described steam pipe (51; 52; 53) one end is communicated with evaporimeter (31; 32; 33) top, the other end and condenser (41; 42; 43) top is communicated with; Described liquid line (61; 62; 63) one end is communicated with condenser (41; 42; 43) bottom, the other end and evaporimeter (41; 42; 43) bottom is communicated with; Condenser (41; 42; 43) evaporimeter (31 is positioned at; 32; 33) top, and have certain altitude poor therebetween, gravity can be used to carry out the circulation of refrigeration working medium in completion system, and when system does not work, most of refrigeration working medium is positioned at evaporator evaporation device (31; 32; 33) the inside; During this system works, evaporator fan (1) and condenser fan (2) are opened simultaneously, heat pipe unit at different levels starts running work, and evaporation and condensation are carried out continuously, are divided into following link from principle: gasification, and---condensation---time liquid---is gasified again.
1), liquid refrigerant is at the evaporimeter (31 of heat pipe heat at different levels; 32; 33) by thermal evaporation in:
Hot fluid is through the evaporimeter (31 of heat pipe heat at different levels; 32; 33) after outer wall, the evaporimeter (31 of heat pipe heat at different levels; 32; 33) interior working media heat absorption becomes gaseous working medium from liquid refrigerant, and is full of whole evaporimeter (31; 32; 33), steam expansion diffusion is through steam pipe (51; 52; 53) to the condenser (41 of heat pipe heat at different levels; 42; 43).
2), steam is at the condenser (41 of heat pipe heat at different levels; 42; 43) condensation in:
The condenser (41 of heat pipe heat at different levels; 42; 43) under cold fluid effect, till gaseous working medium is condensed to and is cooled to liquid state.
3), condensed hydraulic fluid is back to evaporating area:
The condenser (41 of heat pipe heat at different levels; 42; 43) interior working medium becomes drop or liquid film in cold fluid effect condensation, at the liquid line (61 of the effect such as gravity, capillary force through every one-level; 62; 63) evaporimeter (31 of heat pipe heat at different levels is back to; 32; 33).
4), the evaporimeter (31 of heat pipe heat at different levels; 32; 33) interior working medium is heated and is gasified:.
The evaporimeter (31 of heat pipe heat at different levels; 32; 33) working medium in is heated and is gasified, moves in circles.
Embodiments of the present invention two structural representation as shown in Figure 4, primarily of evaporimeter (31; 32; 33), condenser (41; 42; 43), steam pipe (51; 52; 53), liquid line (61; 62; 63), Two-phase fluid pump (71; 72; 73), liquid storage flow straightener (81; 82; 83), evaporator fan (1) and condenser fan (2) eight part composition; Described steam pipe (51; 52; 53) one end is communicated with evaporimeter (31; 32; 33) top, the other end and condenser (41; 42; 43) top is communicated with; Described liquid line (61; 62; 63) one end is communicated with condenser (41; 42; 43) bottom, the other end and evaporimeter (41; 42; 43) bottom is communicated with; Two-phase fluid pump (71; 72; 73) and liquid storage flow straightener (81; 82; 83) liquid line (61 is all positioned at; 62; 63) on, Two-phase fluid pump (71; 72; 73) input connects liquid storage flow straightener (81; 82; 83), its output connects and evaporimeter (31; 32; 33) input; During this system works, Two-phase fluid pump (71; 72; 73), evaporator fan (1) and condenser fan (2) open simultaneously, and heat pipe unit at different levels starts running work; Two-phase fluid pump (71; 72; 73) from liquid storage flow straightener (81; 82; 83) extract refrigeration working medium and be sent to evaporimeter (31; 32; 33) in, evaporimeter (31; 32; 33) contact with high temperature heat source, liquid working media is at evaporimeter (31; 32; 33) be evaporated to gas by the heating of high temperature heat source in, and absorb heat, the gas that evaporation is formed and the liquid intermediate medium that part is not evaporated mutually are mixed to form gas-liquid two-phase fluid in flow at high speed, and they are from evaporimeter (31; 32; 33) through steam pipe (51; 52; 53) condenser (41 is entered into; 42; 43) in, condenser (41; 42; 43) contact with low-temperature heat source, gaseous working medium is at condenser (41; 42; 43) be partially condensated as liquid refrigerating working medium by the cooling of low-temperature heat source in, and release heat, refrigeration working medium is at Two-phase fluid pump (71; 72; 73) under the drive of power, from condenser (41; 42; 43) liquid storage flow straightener (81 is entered; 82; 83), in, gas-liquid refrigeration intermediate medium is separated in liquid storage flow straightener according to respective physical property, this completes whole circulation.
The above is only the preferred embodiment of the present invention, is noted that the ordinary skill people for the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a separated high-efficiency heat pipe heat exchanger, comprises one-level heat pipe heat, secondary heat pipe group and three grades of heat pipe heat, can make N level heat pipe heat as required, and described every one-level heat pipe heat is primarily of evaporimeter (31; 32; 33), condenser (41; 42; 43), steam pipe (51; 52; 53) and liquid line (61; 62; 63) four part compositions; It is characterized in that: described evaporimeter (31; 32; 33) be multistage evaporimeter, its mutual lay out in parallel, is assembled in same housing, is positioned at the air channel that evaporator fan (1) is formed, and shares an evaporator fan (1), each evaporimeter (31; 32; 33) oneself independently input/output terminal is had; Described condenser (41; 42; 43) be the condenser of single-stage, condenser (41; 42; 43) between, left and right next-door neighbour puts, and does not mutually keep out the wind, is assembled in same housing, be positioned at the air channel that condenser fan (2) is formed, and shares a condenser fan (2), each condenser (41; 42; 43) oneself independently input/output terminal is had; Described steam pipe (51; 52; 53) one end is communicated with evaporimeter (31; 32; 33) top, the other end and condenser (41; 42; 43) top is communicated with; Described liquid line (61; 62; 63) one end is communicated with condenser (41; 42; 43) bottom, the other end and evaporimeter (41; 42; 43) bottom is communicated with.
2. according to a kind of separated high-efficiency heat pipe heat exchanger described in claim 1, it is characterized in that: also comprise Two-phase fluid pump (71; 72; 73) and liquid storage flow straightener (81; 82; 83), described Two-phase fluid pump (71; 72; 73) and liquid storage flow straightener (81; 82; 83) liquid line (61 is all positioned at; 62; 63) on, described Two-phase fluid pump (71; 72; 73) input connects liquid storage flow straightener (81; 82; 83), its output connects and evaporimeter (31; 32; 33) input.
3. according to a kind of separated high-efficiency heat pipe heat exchanger described in claim 1, it is characterized in that: also comprise controller, described controller can be connected to network, and it controls unlatching and the stopping of whole heat exchanger work.
4. according to a kind of separated high-efficiency heat pipe heat exchanger described in claim 1, it is characterized in that: described evaporimeter (31; 32; 33) and condenser (41; 42; 43) be micro-channel heat exchanger.
5. according to a kind of separated high-efficiency heat pipe heat exchanger described in claim 1, it is characterized in that: described condenser (41; 42; 43) to be a micro-channel heat exchanger in lower header thereon symmetrical places cutoff board and the condenser (41 having separate work areas that splits; 42; 43).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510132701.5A CN104697372A (en) | 2015-03-25 | 2015-03-25 | Separating type efficient heat pipe exchanger |
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| CN201510132701.5A CN104697372A (en) | 2015-03-25 | 2015-03-25 | Separating type efficient heat pipe exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115329A (en) * | 2015-08-14 | 2015-12-02 | 北京空间飞行器总体设计部 | High-efficient radiating system applicable to multiple point heat sources in small space |
| CN109028409A (en) * | 2018-08-17 | 2018-12-18 | 北京中热信息科技有限公司 | A kind of multi-joint unit of heat pipe air conditioner |
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| CN104321609A (en) * | 2012-05-11 | 2015-01-28 | 丹麦丹腾制冷股份公司 | Variable conductance thermo syphon |
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Patent Citations (9)
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| JPS6080089A (en) * | 1983-10-07 | 1985-05-07 | Furukawa Electric Co Ltd:The | Controlling method of heat exchanging amount in multi-stage system separate type heat exchanger |
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| CN102696103A (en) * | 2009-09-28 | 2012-09-26 | Abb研究有限公司 | Cooling module for cooling electronic components |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105115329A (en) * | 2015-08-14 | 2015-12-02 | 北京空间飞行器总体设计部 | High-efficient radiating system applicable to multiple point heat sources in small space |
| CN109028409A (en) * | 2018-08-17 | 2018-12-18 | 北京中热信息科技有限公司 | A kind of multi-joint unit of heat pipe air conditioner |
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Address after: 100041 Beijing, Badachu hi tech park, West Wells Road, building 9415, room 3, No., room 3 Applicant after: Beijing Science and Technology Co., Ltd. Germany To Hanson Address before: 100094 Beijing, Badachu hi tech park, West Wells Road, building 9415, room 3, No., room 3 Applicant before: Beijing Science and Technology Co., Ltd. Germany to Hanson |
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