CN105299962A - Micro-fine-channel solar heat collecting evaporator based on bionics design - Google Patents
Micro-fine-channel solar heat collecting evaporator based on bionics design Download PDFInfo
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- CN105299962A CN105299962A CN201510255065.5A CN201510255065A CN105299962A CN 105299962 A CN105299962 A CN 105299962A CN 201510255065 A CN201510255065 A CN 201510255065A CN 105299962 A CN105299962 A CN 105299962A
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Abstract
The invention discloses a micro-fine-channel solar heat collecting evaporator based on bionics design, and belongs to the technical field of solar heat pump systems. The micro-fine-channel solar heat collecting evaporator comprises an aluminum plate, network main pipes, network branch pipes, a refrigerant parallel inlet pipe and a refrigerant parallel outlet pipe, wherein the refrigerant parallel inlet pipe and the refrigerant parallel outlet pipe are respectively arranged at the two sides of the aluminum plate; multiple network main pipes are arranged on the refrigerant parallel outlet pipe in parallel; each network main pipe is respectively provided with multiple communicated network branch pipes in parallel; and the network branches pipes corresponding to each network main pipe are all connected to the refrigerant parallel inlet pipe in parallel after the collection. The invention provides the micro-fine-channel solar heat collecting evaporator based on bionics design, so that the surface temperature distribution of the evaporator is more balanced, the absorbed heat of the evaporator is more than that of a traditional evaporator, and the whole system performance is improved.
Description
Technical field
The invention belongs to solar energy heat pump system technical field, be specifically related to based on Bionic Design micro-channel too
Sun can thermal-arrest evaporimeter.
Background technology
Solar energy heat pump system is primarily of solar energy heating evaporimeter, compressor, condenser, heating power expansion valve four
Large parts composition, utilizes solar energy in heat pump, makes cold-producing medium in solar energy heating evaporimeter, directly obtain the low grade heat energies such as solar energy and evaporate.Solar energy heat pump system is at cloudy day or night, thermal-arrest evaporimeter also can maintain normal heat pump cycle by the sensible heat in absorption air and latent heat, at this moment just become air source heat pump, therefore solar energy heat pump system can utilize solar energy and air can realize round-the-clock heat supply by two kinds of energy.
In solar energy heat pump system, the factor of influential system performance is mainly by compressor and heat exchanger two aspect
Form, therefore adopt high-efficiency and energy-saving type compressor and heat exchanger to be the effective ways improving systematic function.Evaporimeter is the core component in solar energy heat pump system, but current evaporator designs is all generally be made up of copper pipe and aluminum fin-stock, superficiality mainly through the heat exchange area and change aluminum fin-stock that increase evaporimeter plays energy-conserving action, but these methods make the complex structure of heat exchanger, cost is higher, and its direct use value is not high especially.
Summary of the invention
Goal of the invention: the object of the present invention is to provide the micro-channel solar energy heating evaporimeter based on Bionic Design, make evaporator surface Temperature Distribution more balanced, absorbs heat more than conventional evaporator, thus improves the performance of whole system.
Technical scheme: for achieving the above object, the present invention adopts following technical scheme:
Based on the micro-channel solar energy heating evaporimeter of Bionic Design, comprise aluminium sheet, network main, network arm, cold-producing medium inlet pipeline in parallel and cold-producing medium outlet conduit in parallel, cold-producing medium inlet pipeline in parallel and cold-producing medium outlet conduit in parallel is respectively equipped with in the both sides of described aluminium sheet, described cold-producing medium outlet conduit in parallel is arranged in parallel some road network network mains, every road network network main is arranged in parallel some network arms be interconnected respectively, is all connected in parallel on after the network arm that every road network network main is corresponding confluxes on cold-producing medium inlet pipeline in parallel.
Refrigerant inlet pipeline is set at the entrance of described cold-producing medium inlet pipeline in parallel, refrigerant outlet pipeline is set in the outlet of described cold-producing medium outlet conduit in parallel.
Described network main and network arm are all arranged in aluminium sheet.
Described refrigerant inlet pipeline is connected with the throttling arrangement end in solar energy heat pump system, and described refrigerant outlet pipeline is connected with the compressor inlet in solar energy heat pump system or with the condensation end import in separate-type heat pipe system.
Described network main is 5 tunnels.
Described aluminium sheet is that bilayer combination forms, and it comprises aluminium sheet and lower aluminum sheet, at the black chromium of upper surface brushing of described upper aluminium sheet, at the lower surface plastic-blasting of lower aluminum sheet.
The equivalent diameter of described network main is 10mm, and the equivalent diameter of network arm is 3mm.
Described refrigerant inlet pipeline and refrigerant outlet pipeline are copper tube material.
Beneficial effect: compared with prior art, the micro-channel solar energy heating evaporimeter based on Bionic Design of the present invention possesses following advantage:
(1) equivalent diameter of network arm is 3mm, belongs to micro-channel, fine due to yardstick, and area-volume ratio increases, and surface action strengthens, thus causes transmission effect to have obvious enhancing, improves 2-3 the order of magnitude than conventional yardstick;
(2) the overall no-movable part of bionical micro-channel thermal-arrest/evaporimeter, can be fixedly mounted on the place that roof surface, balcony etc. are easy to accept solar radiation, installs simple, does not affect building attractive in appearance, be easy to realize architecture-integral.Cold-producing medium flows in thermal-arrest/evaporation plate through throttling arrangement outlet, and absorb solar radiation and carry out evaporation endothermic, when the surface temperature of collecting plate is lower than environment temperature, the heat energy that can also absorb in air carries out evaporation endothermic.Cold-producing medium after evaporation with after enter in compressor through refrigerant outlet pipeline;
3) have employed animals and plants transport pipe system, because specific surface area is large compared with traditional thermal-arrest/evaporation plate, the more traditional thermal-arrest evaporation plate of flowing heat transfer performance is good, and therefore the Temperature Distribution of heat exchange surface is more balanced; Owing to adopting full aluminium inflation to form, because this reducing the thermal contact resistance of fin and pipeline, enhance heat exchange; Greatly reduce the cost of heat exchanger materials owing to have employed all-aluminium construction, make it more have the value of marketing.
Accompanying drawing explanation
Fig. 1 is animal body transport pipeline schematic diagram;
Fig. 2 is plant transport pipeline schematic diagram;
Fig. 3 is fractal vascular model schematic;
Fig. 4 is the micro-channel solar energy heating evaporimeter schematic diagram based on Bionic Design;
Fig. 5 is line A-A place sectional view of deciding what is right and what is wrong.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As depicted in figs. 1 and 2, description be the nutriment transportation system of animal and plant body, this system is actually a kind of heat transfer, mass transfer system efficiently.As seen from the figure, these systems are all carry out bifurcated gradually by main pipeline, and on the middle and senior level at these bifurcateds is all similar with the bifurcation structure of low level, and this structure is called as fractal structure.This kind of structure show animal and plant body must nutriment be how to transport in the space fill pipe network of self-similar fractal.Therefore, this kind of structure is applied in the heat exchanger of heat pump, greatly can improves its hot validity, and because pipeline is in tree net distribution, the Temperature Distribution of heat exchange surface can be made more balanced.
As shown in Figure 3, for fractal vascular model, its energy absorbing device of this model hypothesis is minimized and end pipeline does not change with the body size of biology, is considered to a kind of good tool describing vertebrate cardiovascular system, respiratory system, insect and plant transport pipeline.The proposed micro-channel evaporimeter based on Bionic Design inspires by this.
From improving refrigerating capacity, reducing the angle of compressor horsepower, in order to make full use of evaporator area, reduce pressure loss in piping, the circuit design in the present invention becomes 5 tunnels to walk, and comprises cold-producing medium inlet pipeline 6 in parallel and cold-producing medium outlet conduit 7 in parallel.
As shown in Figure 4, based on the micro-channel solar energy heating evaporimeter of Bionic Design, comprise aluminium sheet 1, refrigerant inlet pipeline 2, refrigerant outlet pipeline 3, network main 4, network arm 5, cold-producing medium inlet pipeline 6 in parallel and cold-producing medium outlet conduit 7 in parallel, cold-producing medium inlet pipeline 6 in parallel is also unified into 5 tunnels, and cold-producing medium enters respectively in evaporation plate and carries out evaporation endothermic from this 5 tunnel; Cold-producing medium outlet conduit 7 in parallel, cold-producing medium is vaporized into refrigerant gas absorb solar energy in evaporation plate after, the cold-producing medium of gas form again along and the pipeline being unified into 5 tunnels discharge through refrigerant outlet pipeline 3.
Cold-producing medium inlet pipeline 6 in parallel and cold-producing medium outlet conduit 7 in parallel is respectively equipped with in the both sides of aluminium sheet 1, cold-producing medium outlet conduit 7 in parallel is arranged in parallel some road network network mains 4, every road network network main 4 is arranged in parallel network arm 5 that 5 tunnels are interconnected respectively, is all connected in parallel on cold-producing medium inlet pipeline 6 in parallel after the network arm 5 of every road network network main 4 correspondence confluxes; Refrigerant inlet pipeline 2 is set at the entrance of cold-producing medium inlet pipeline 6 in parallel, refrigerant outlet pipeline 3 is set in the outlet of cold-producing medium outlet conduit 7 in parallel.
Aluminium sheet 1 during fabrication, first one block of aluminium sheet wherein prints off pipeline pattern with graphite, comprises network main 4 and network arm 5; Same, another block aluminium sheet is placed on pressurized heat above and shuts out pipeline pattern, and then be cold-rolled to desired thickness; Like this just not relying on molecular attraction effect by firmly bonding for two blocks of aluminium sheets with the place of graphite printing pipeline, again the aluminium sheet of compound being carried out annealing in process afterwards, and with the high pressure nitrogen inflation of 2.4 ~ 2.8MPa, just defining pipe passage.
As shown in Figure 5, aluminium sheet 1 comprises aluminium sheet 1-1 and lower aluminum sheet 1-2, at the black chromium of upper surface brushing spectral selection absorbing material of upper aluminium sheet 1-1, for making full use of solar energy; Plastic-blasting process is carried out at the lower surface of lower aluminum sheet 1-2.
Because refrigerant liquid enters evaporation plate from bottom, leave from top, therefore top duct is wider than bottom pipe, and the equivalent diameter of network main 4 is 10mm, and the equivalent diameter of network arm 5 is 3mm; Network arm 5 belongs to micro-channel, fine due to yardstick, and area-volume ratio increases, and surface action strengthens, thus causes transmission effect to have obvious enhancing, improves 2 ~ 3 orders of magnitude than conventional yardstick.
The course of work: refrigerant inlet pipeline 2 and refrigerant outlet pipeline 3 are processed by copper tube, wherein refrigerant inlet pipeline 2 is connected with the throttling arrangement end in solar energy heat pump system, refrigerant outlet pipeline 3 is connected with the compressor inlet in solar energy heat pump system or with the condensation end import in separate-type heat pipe system, and above-mentioned connection is that copper pipe connects.The cold-producing medium of flowing is had to absorb heat in solar energy and air to make self to evaporate in pipe passage, wherein refrigerant inlet pipeline 2 is connected with throttling arrangement, cold-producing medium is successively through network arm 5, network main 4, cold-producing medium outlet conduit 7 in parallel, enters compressor after refrigerant outlet pipeline 3.Wherein refrigerant outlet pipeline 3 is connected with compressor inlet, and above connection is all connected by copper pipe.
The overall no-movable part of micro-channel solar energy heating evaporimeter based on Bionic Design, can be fixedly mounted on the place that roof surface, balcony etc. are easy to accept solar radiation, installs simple, does not affect building attractive in appearance, be easy to realize architecture-integral.Cold-producing medium flows in thermal-arrest evaporation plate through throttling arrangement outlet, and absorb solar radiation and carry out evaporation endothermic, when the surface temperature of collecting plate is lower than environment temperature, the heat energy that can also absorb in air carries out evaporation endothermic.Cold-producing medium after evaporation with after enter in compressor through refrigerant outlet pipeline 3.
Claims (8)
1. based on the micro-channel solar energy heating evaporimeter of Bionic Design, it is characterized in that: comprise aluminium sheet (1), network main (4), network arm (5), cold-producing medium inlet pipeline (6) in parallel and cold-producing medium outlet conduit (7) in parallel, cold-producing medium inlet pipeline (6) in parallel and cold-producing medium outlet conduit (7) in parallel is respectively equipped with in the both sides of described aluminium sheet (1), described cold-producing medium outlet conduit (7) in parallel is arranged in parallel some road network network mains (4), every road network network main (4) is arranged in parallel some network arms (5) be interconnected respectively, all be connected in parallel on cold-producing medium inlet pipeline (6) in parallel after network arm (5) corresponding to every road network network main (4) confluxes.
2. the micro-channel solar energy heating evaporimeter based on Bionic Design according to claim 1, it is characterized in that: refrigerant inlet pipeline (2) is set at the entrance of described cold-producing medium inlet pipeline (6) in parallel, refrigerant outlet pipeline (3) is set in the outlet of described cold-producing medium outlet conduit (7) in parallel.
3. the micro-channel solar energy heating evaporimeter based on Bionic Design according to claim 1, is characterized in that: described network main (4) and network arm (5) are all arranged in aluminium sheet (1).
4. the micro-channel solar energy heating evaporimeter based on Bionic Design according to claim 1, it is characterized in that: described refrigerant inlet pipeline (2) is connected with the throttling arrangement end in solar energy heat pump system, described refrigerant outlet pipeline (3) is connected with the compressor inlet in solar energy heat pump system or with the condensation end import in separate-type heat pipe system.
5. according to the micro-channel solar energy heating evaporimeter based on Bionic Design in claim 1 ~ 4 described in any one, it is characterized in that: described network main (4) is 5 tunnels.
6. according to the micro-channel solar energy heating evaporimeter based on Bionic Design in claim 1 ~ 4 described in any one, it is characterized in that: described aluminium sheet (1) forms for bilayer combination, it comprises aluminium sheet (1-1) and lower aluminum sheet (1-2), at the black chromium of upper surface brushing of described upper aluminium sheet (1-1), at the lower surface plastic-blasting of lower aluminum sheet (1-2).
7. according to the micro-channel solar energy heating evaporimeter based on Bionic Design in claim 1 ~ 4 described in any one, it is characterized in that: the equivalent diameter of described network main (4) is 10mm, the equivalent diameter of network arm (5) is 3mm.
8. according to the micro-channel solar energy heating evaporimeter based on Bionic Design in claim 1 ~ 4 described in any one, it is characterized in that: described refrigerant inlet pipeline (2) and refrigerant outlet pipeline (3) are copper tube material.
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| CN201510255065.5A CN105299962A (en) | 2015-05-19 | 2015-05-19 | Micro-fine-channel solar heat collecting evaporator based on bionics design |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768771A (en) * | 2017-10-17 | 2018-03-06 | 夏文庆 | A kind of power battery thermal management system and method based on bionical calorifics |
| CN110022664A (en) * | 2019-04-04 | 2019-07-16 | 上海理工大学 | A kind of device carrying out electronic element radiating using bionical alveolar heat exchanger |
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| CN104006549A (en) * | 2013-02-27 | 2014-08-27 | 青岛经济技术开发区海尔热水器有限公司 | Flat plate heat collector with vein-shaped runners |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3205939A (en) * | 1959-03-09 | 1965-09-14 | Huet Andre | Symmetrical distributor assembly for fluids in a thermal multiple installation |
| US6145804A (en) * | 1997-02-07 | 2000-11-14 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Defined fine-membered and point-focal temperable molds and tools |
| WO2001095688A1 (en) * | 2000-06-05 | 2001-12-13 | The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of The University Of Oregon | Multiscale transport apparatus and methods |
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| CN201954760U (en) * | 2010-12-30 | 2011-08-31 | 李凡 | Solar energy and heat pump composite water heater |
| CN104006549A (en) * | 2013-02-27 | 2014-08-27 | 青岛经济技术开发区海尔热水器有限公司 | Flat plate heat collector with vein-shaped runners |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768771A (en) * | 2017-10-17 | 2018-03-06 | 夏文庆 | A kind of power battery thermal management system and method based on bionical calorifics |
| CN110022664A (en) * | 2019-04-04 | 2019-07-16 | 上海理工大学 | A kind of device carrying out electronic element radiating using bionical alveolar heat exchanger |
| CN110022664B (en) * | 2019-04-04 | 2020-12-01 | 上海理工大学 | Device for radiating electronic element by utilizing bionic alveolar heat exchanger |
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Application publication date: 20160203 |
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