CN105650904B - A kind of solar energy system - Google Patents

A kind of solar energy system Download PDF

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Publication number
CN105650904B
CN105650904B CN201610023368.9A CN201610023368A CN105650904B CN 105650904 B CN105650904 B CN 105650904B CN 201610023368 A CN201610023368 A CN 201610023368A CN 105650904 B CN105650904 B CN 105650904B
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radiator
heat
water
generation device
electricity generation
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CN105650904A (en
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赵炜
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Dongying East Machinery Manufacture Co ltd
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Wenzhou Kanaifu Electrical Appliance Co Ltd
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Priority to CN201610023368.9A priority Critical patent/CN105650904B/en
Priority claimed from CN201510159408.8A external-priority patent/CN104713250B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention provides a kind of solar energy system, including heat collector, heat collector includes thermal-collecting tube, speculum and collecting plate, connected between two adjacent thermal-collecting tubes by collecting plate, so that form tube plate structure between multiple thermal-collecting tubes and adjacent collecting plate, the collecting plate is straight panel, and the tube plate structure is linear structure.The present invention can make full use of solar energy, avoid the loss of solar heat, reach the effect of environmental protection and energy saving.

Description

A kind of solar energy system
Technical field
The invention belongs to field of solar energy, more particularly to a kind of solar energy collector system.
Background technology
With the rapid development of modern social economy, the mankind are increasing to the demand of the energy.But coal, oil, day The traditional energy storage levels such as right gas constantly reduce, are increasingly in short supply, cause rising steadily for price, while conventional fossil fuel causes Problem of environmental pollution it is also further serious, these all limit the development of society and the raising of human life quality significantly.The energy Problem has become most one of distinct issues of contemporary world.Thus seek the new energy, particularly free of contamination cleaning energy Source has turned into the focus of present people research.
Solar energy is a kind of inexhaustible clean energy resource, and stock number is huge, and earth surface is received every year Solar radiant energy total amount be 1 × 1018KWh, more than 10,000 times that gross energy is consumed for world's year.Countries in the world are all too It is positive can by the use of as important one of new energy development, the Chinese government exists《The government work report》Also clearly propose to accumulate already New energy is developed in pole, and wherein the utilization of solar energy is especially in occupation of prominent position.Reached yet with solar radiation tellurian Energy density is small(About one kilowatt every square metre), and be discontinuous again, this brings certain tired to large-scale utilization It is difficult.Therefore, in order to utilize solar energy extensively, not only to solve technical problem, and economically must be able to conventional energy Source mutually competes.
The solar energy that solar thermal collector absorbs is now in some cases there may be surplus, and now this part solar energy can It is able to can lose, it is therefore desirable to which a kind of heat to surplus makes full use of.
No matter the solar thermal collector of which kind of form and structure, will have an absorption portion for being used for absorbing solar radiation Part, the absorption of the structure of heat collector to solar energy play an important role.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of new solar energy collector system, so as to effective profit Use solar energy.
To achieve these goals, technical scheme is as follows:A kind of solar energy collector system, including thermal-arrest Device, heat collector include thermal-collecting tube, speculum and collecting plate, connected between adjacent two thermal-collecting tubes by collecting plate, so that Tube plate structure is formed between multiple thermal-collecting tubes and adjacent collecting plate, the collecting plate is straight panel, and the tube plate structure is straight line Structure.
Preferably, including temperature difference electricity generation device and radiator, the heat collector connect to form circulation with temperature difference electricity generation device Loop, heat collector connect to form circulation loop with radiator, and the pipeline where temperature difference electricity generation device and radiator is in parallel, heat collector Solar energy is absorbed, heats the water in heat collector, the water after heating respectively enters temperature difference electricity generation device and radiating by outlet pipeline Device, generated electricity in temperature difference electricity generation device, exchanged heat in radiator, flowed out in temperature difference electricity generation device and in radiator Water by water return pipeline enter heat collector in exchanged heat.
First valve is arranged on outlet pipe, for controlling total water into temperature difference electricity generation device and radiator, the Two valves are arranged on the position of the inlet tube of the pipeline where radiator, for controlling the flow into the water of radiator, the 3rd Valve is arranged on the position of the inlet tube of the pipeline where temperature difference electricity generation device, for controlling into the water of temperature difference electricity generation device Flow, temperature sensor are arranged on the opening position of the entrance of radiator, for measuring the temperature into the water of radiator;The system System also includes central controller, and the central controller and the first valve, the second valve, the 3rd valve, temperature sensor are carried out Data connect;
When the temperature of temperature sensor measurement it is low to a certain extent when, now the first valve can close automatically, second Valve and the 3rd valve can be opened completely, and the pipeline where temperature difference electricity generation device and radiator forms a circulation line, and water enters Enter temperature difference electricity generation device, the electric energy of temperature difference electricity generation device storage into temperature difference electricity generation device reclaimed water to heating, the water of heating Radiated into radiator.
Preferably, shape is at a certain angle between two pieces of tube plate structures, the circular arc of the angle direction and speculum Cable architecture is relative, and the focus of speculum is located between the angle of tube plate structure formation;The focus of speculum is located at two pieces of tube sheet knots On the midpoint of structure least significant end line;The circular arc line radius of speculum is R, and the length of every piece of tube plate structure is R1, the half of thermal-collecting tube Footpath is R2, and the distance in the center of circle of adjacent thermal-collecting tube is L on same tube plate structure, and the angle between two pieces of tube plate structures is a, then full Sufficient equation below:
R1/R=c*sin(a/2)b,
0.18<R2/L<0.34,
Wherein c, b are coefficient, 0.39<c<0.41,0.020<b<0.035;
0.38< R1/R<0.41,80 °<=A<=150 °, 450mm<R1<750mm,1100mm<R<1800mm,
90mm<L<150mm,20mm<=R2<50mm。
Preferably, including with heat collector progress pipeline the temperature difference electricity generation device being connected, temperature difference electricity generation device include casing, heat Pipe, thermo-electric generation sheet, thermo-electric generation sheet heat radiator, controller and battery, casing is interior to set heat pipe, one end of thermo-electric generation sheet It is connected with heat pipe, the other end is connected with radiator, and thermo-electric generation sheet is also connected by controller with battery.
Compared with prior art, the present invention has the advantage that:
1)Solar energy can be made full use of, avoids the loss of solar heat, by unnecessary solar energy in the form of electric energy Store, subsequently to use.
2) a kind of new temperature difference electricity generation device is provided, meets the needs of solar energy;
3)The present invention obtains an optimal heat collector optimum results, and carry out by experiment by test of many times Checking, so as to demonstrate the accuracy of result.
4)By central controller, realize and valve is automatically controlled, so as to realize effective utilization of solar energy.
5)By the thermal-collecting tube structure setting of heat collector, the absorption solar energy being optimal.
6)The present invention carries out meticulous selection and experiment to the material and thickness of heat-sink shell, has reached the skill of best heat absorption Art effect.
7)The structure of heat collector is reasonably designed, avoids heat collector local temperature from overheating.
Brief description of the drawings
Fig. 1 is the schematic diagram of solar energy collector system
Fig. 2 is the structural representation of temperature difference electricity generation device
Fig. 3 is the schematic cross-section of solar energy collector system
Fig. 4 is the structural section schematic diagram of solar energy heat collection pipe
Fig. 5 is the schematic cross-section of solar energy collector system
Fig. 6 is the schematical top view of thermal-collecting tube
Fig. 7 is storage heater structural representation
Fig. 8 is the structural representation of collecting plate
Reference is as follows:
1 heat collector, 2 temperature difference electricity generation devices, 3 radiators, 4 valves, 5 valves, 6 temperature sensors, 7 temperature difference electricity generation devices enter Mouth pipe, 8 heat collector outlet pipelines, 9 speculums, 10 thermal-collecting tubes, 11 collecting plates, 12 headers, 13 headers, 14 casings, 15 controllers, 16 radiator inlet pipes, 17 heat collector water return pipelines, 18 valves, 19 temperature sensors, 20 heat collector oral siphons, 21 heat collectors go out Mouth pipe, 22 housings, 23 heat pipes, 24 thermo-electric generation sheets, 25 thermo-electric generation sheet heat radiators, 26 batteries, 27 users, 28 accumulation of heat materials Material.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
A kind of solar energy collector system, as shown in figure 1, the system includes heat collector 1, heat utilization device(Fig. 1 is implemented Heat utilization device is temperature difference electricity generation device 2 and radiator 3 in example, but not limited to this, is only illustrated), valve 4, valve 5, valve 18th, temperature sensor 6, the heat collector 1 connect to form circulation loop with temperature difference electricity generation device 2, and heat collector 1 connects with radiator 3 Logical to form circulation loop, the pipeline where temperature difference electricity generation device 2 and radiator 3 is in parallel, and heat collector 1 absorbs solar energy, heating collection Water in hot device 1, the water after heating respectively enters temperature difference electricity generation device 2 and radiator 3 by outlet pipeline 8, in thermo-electric generation Generated electricity in device 2, exchanged heat in radiator 3, the water flowed out in temperature difference electricity generation device 2 and in radiator 3 is passing through Cross in the entrance heat collector 1 of water return pipeline 17 and exchanged heat.
In said system, while generating by solar energy in temperature difference electricity generation device 2, can utilize radiator to Outer radiating.Certainly, radiator and temperature difference electricity generation device can be with independent operatings, or one of isolated operation.
As shown in figure 1, valve 4 is arranged on outlet pipe, for controlling into the total of temperature difference electricity generation device 2 and radiator 3 Water, valve 5 is arranged on the position of the inlet tube 16 of the pipeline where radiator 3, for controlling into the water of radiator 3 Flow, valve 18 are arranged on the position of the inlet tube 7 of the pipeline at the place of temperature difference electricity generation device 2, enter thermo-electric generation for controlling The flow of the water of device 2, temperature sensor 6 are arranged on the opening position of the entrance of radiator 3, for measuring into radiator 3 The temperature of water.The system also includes central controller, the central controller and valve 4, valve 5, valve 18, TEMP Device 6 carries out data connection.
Preferably, when the temperature that temperature sensor 6 measures is less than certain temperature, central controller controls valve 5 increase aperture, while control valve 18 reduces aperture, to increase the flow into the hot water of radiator 3 to increase heat dissipation capacity.When When the temperature that temperature sensor 6 measures is higher than certain temperature, central controller controls valve 5 reduces aperture, same to time control Valve 18 processed increases aperture, to reduce the flow into the hot water of radiator 3 to increase heat dissipation capacity.
When the temperature that temperature sensor 6 measures it is low to a certain extent when, ability meeting that now radiator externally exchanges heat It is deteriorated, normal heating demands can not be met, this shows that the thermal-arrest ability of solar thermal collector also goes wrong, such as sunshine It is not now very strong, or when do not have the sun at night, now valve 4 can be closed automatically, and valve 5 and valve 18 can be beaten completely Open, the pipeline where temperature difference electricity generation device and radiator forms a circulation line, and water enters temperature difference electricity generation device, thermo-electric generation To being heated into temperature difference electricity generation device reclaimed water, the water of heating enters in radiator 3 to be radiated the electric energy of device storage.
By above-mentioned operation, it can meet the heat-sinking capability of radiator 3 when sunray is strong, that is, meeting After user's radiating requirements, by more than heat generated electricity by temperature difference electricity generation device 2, in the heat supply energy of solar thermal collector 1 In the case of hypodynamic, using the electric energy heat cycles water of temperature difference electricity generation device storage, to meet the radiating requirements of radiator 3. Solar energy can be so made full use of, avoids the waste of excessive heat.
Preferably, the temperature into the water in radiator 3 can not be utilized to automatically control the flow of water, can use The environment temperature on radiator periphery is measured, for example, the indoor temperature of measurement radiator(By setting indoor temperature transmitter)Come The flow into the water of radiator is automatically controlled, if indoor temperature is too low, increase enters the flow of the water of radiator 3, such as Fruit indoor temperature is too high, then reduces the flow into the water of radiator 3.
Certainly, one of flow is controlled by indoor temperature on condition that the temperature that temperature sensor 6 measures needs to be higher than one Constant temperature degree, otherwise, when the thermal-arrest of solar thermal collector is less able, increase flow anyway, radiating effect all without Very well.
When the pipeline where temperature difference electricity generation device and radiator forms a circulation line, when temperature sensor 6 When the temperature of measurement is less than certain temperature, controller 15 controls battery 26, improves the output power of battery 26, with Improve the temperature of the water flowed through in temperature difference electricity generation device.When the temperature that temperature sensor 6 measures is higher than certain temperature, Controller 15 controls battery 26, reduces the output power of battery 26, to improve the temperature of the water flowed through in temperature difference electricity generation device Degree.
By such control, the electricity of battery can be rationally utilized, avoids the loss of electricity.
The structure of described temperature difference electricity generation device 2 is as shown in Fig. 2 the temperature difference electricity generation device 2 includes casing 14, heat pipe 23rd, thermo-electric generation sheet 24, thermo-electric generation sheet heat radiator 25, controller 15 and battery 26, casing is interior to set heat pipe 23, temperature difference hair One end of electric piece 24 is connected with heat pipe, and the other end is connected with radiator 25, and thermo-electric generation sheet 24 also passes through controller 15 and electric power storage Pond 26 is connected.
Preferably, thermo-electric generation sheet 24 is also connected by controller 15 with user, the electric energy required for user is provided.
Preferably, controller 15 controls, temperature difference electricity generation device is limited to meet user power utilization demand, and controller determines first Electricity needed for user, after the electricity for then sending thermo-electric generation sheet subtracts the electricity of user again, remaining electricity is stored in It is standby in battery 26.
Although Fig. 2 show only a thermo-electric generation sheet, but be not limited to one in practice, can set multiple with full The demand to generate electricity enough.
As shown in figure 3, the solar energy collector system, including thermal-collecting tube 10, speculum 9 and collecting plate 11, it is adjacent Connected between two thermal-collecting tubes 10 by collecting plate 11, so that forming pipe between multiple thermal-collecting tubes 10 and adjacent collecting plate 11 Harden structure;The solar energy collector system includes two pieces of tube plate structures, and certain folder is formed between two pieces of tube plate structures Angle a, as shown in figure 5, the angle direction is relative with the direction of the circular arc line structural bending of speculum, the focus D positions of speculum 9 Between the angle a that tube plate structure is formed.
Traditional heat collector is all that thermal-collecting tube is set directly in focus, once position shifts, then heat is not just For meeting thermal-arrest into thermal-collecting tube, by said structure, sunshine is radiated at speculum 9, and tube plate structure is reflexed to by speculum 9, By in the thermal-collecting tube 10 in heat thermal-arrest to tube plate structure.By this structure, even if because installation or operation problem cause Tube plate structure position changes, then solar energy still can thermal-arrest into thermal-collecting tube 10, so as to avoid thermal loss;Simultaneously as Traditional heat collector is all that thermal-collecting tube is set directly in focus, causes thermal-collecting tube hot-spot, causes thermal-collecting tube locally to damage Lose excessive, the life-span is too short, or even causes thermal-collecting tube over-heat inside, produces superheated steam, full of whole thermal-collecting tube, causes thermal-collecting tube Internal pressure is excessive, damages thermal-collecting tube, and takes the structure of the application, both can sufficiently absorb heat, again can be by heat Measure relative scattered, avoid heat from excessively concentrating so that overall thermal-collecting tube heat absorption is uniform, extends the service life of thermal-collecting tube.
As one preferably, the focus D of speculum 9 is on the midpoint of two pieces of tube plate structure least significant end lines.By upper State setting, it is ensured that absorb solar energy to the full extent, avoid solar energy from being lost because of focal shift, also ensure simultaneously Platy structure is likely to reduced sunlight of the irradiation blocked on speculum 9 as far as possible.It is experimentally confirmed, using said structure, too The absorbent effect of sun is best.
In practice, it has been found that the caliber of thermal-collecting tube 10 can not be excessive, if caliber is excessive, the water in thermal-collecting tube 10 can not Sufficiently heated, cause heating effect very poor, on the contrary caliber is too small, then and the water in thermal-collecting tube can overheat, similarly, for collection The distance between heat pipe 10 also meets to require, if the distance between thermal-collecting tube 10 is excessive, the volume of the water in thermal-collecting tube 10 It is too small, water can be caused to overheat, equally, if the distance between thermal-collecting tube 10 is too small, thermal-collecting tube distribution is too close, causes thermal-collecting tube Water in 10 is unable to reach the problem of predetermined, or is necessarily required to more extra auxiliary heating tools;For tube plate structure Length, also meet certain requirements, if tube plate structure is oversize, the excessive sunlight for being irradiated to speculum 9 can be sheltered from, made The heat that sunlight is absorbed into heat collector is reduced, and is caused to reach preferable heating state, if the length of tube plate structure is too small, is made Into excessive solar energy heating to the thermal-collecting tube of small area, cause thermal-collecting tube is heated to concentrate, but also a part of collection can be caused The solar energy of heat does not have thermal-arrest directly into thermal-collecting tube, but directly reflexes to outside;For angle a, same principle, if Angle is excessive, then portion's expansion is excessive to area on the mirror, then can shelter from the excessive sunlight for being irradiated to speculum 9, such as Fruit angle area is too small, then the solar energy of a part of thermal-arrest occurs and does not have thermal-arrest directly into thermal-collecting tube, but directly reflects To outside, the loss of heat is caused.Therefore for the distance between the length of tube plate structure, thermal-arrest bore, thermal-collecting tube, tube sheet Angle, circular arc line radius between structure meet following relation:
The circular arc line radius of speculum is R, and the length of every piece of tube plate structure is R1, and the radius of thermal-collecting tube is R2, same pipe The distance in the center of circle of adjacent thermal-collecting tube is L in harden structure, and the angle between two pieces of tube sheets is a, then meets equation below:
R1/R=c*sin(a/2)b,
0.18<R2/L<0.34,
Wherein c, b are coefficient, 0.39<c<0.41,0.020<b<0.035;
0.38< R1/R<0.41,80 °<=A<=150 °, 450mm<R1<750mm,1100mm<R<1800mm,
90mm<L<150mm,20mm<=R2<50mm。
Preferably, c=0.4002, b=0.0275.
Preferably, with angle a increase, c, b coefficient become larger.So more meet the need of real work Will.
Preferably, the lower wall surface of tube plate structure(The face relative with speculum 9)On be provided for the projection of augmentation of heat transfer, To strengthen the absorption to solar energy.Along the middle part of tube plate structure(That is extreme higher position)To both sides extreme lower position(That is Fig. 3 thermal-collecting tubes A is to B, C direction)On bearing of trend, the height of projection more and more higher of the lower wall surface of thermal-collecting tube.Find in an experiment, from middle part to Both sides extend, and caloric receptivity gradually rises, and are because there is the stop of tube plate structure by analyzing main cause, cause middle part heated most It is few, and extend from middle part to both sides, absorb heat and gradually rise.By the continuous rise of height of projection, can cause whole Thermal-collecting tube reclaimed water is heated evenly, and avoids that both sides temperature is too high and medium temperature is too low.The thermal-arrest of centre can also so be avoided The material of pipe is easily damaged at high temperature, and the temperature of whole thermal-collecting tube can be kept uniform, increased the service life.
Preferably, the link position along two pieces of tube plate structures(That is the middle part of tube plate structure)To both sides(That is Fig. 3 thermal-arrests Pipe A is to B, C direction)Extension, the density of protrusions more and more higher of the lower wall surface of thermal-collecting tube.Main cause is that middle part is heated minimum, and Extend from middle part to both sides, absorb heat and gradually rise.By the continuous rise of density of protrusions, whole thermal-collecting tube can be caused Reclaimed water is heated evenly, and avoids that medium temperature is too low and both sides temperature is too high.The material of the thermal-collecting tube of centre can also so be avoided Material is easily damaged at high temperature for a long time, and the temperature of whole thermal-collecting tube can be kept uniform, increased the service life.
Preferably, the inwall of thermal-collecting tube 10 can set fin, such as straight fins or helical fin can be set, no It is different with the interior fin height of thermal-collecting tube, along the link position of two pieces of tube plate structures(That is the middle part of tube plate structure)To both sides (That is Fig. 3 thermal-collecting tubes A is to B, C direction)Extension, the height of fin gradually decrease.Main cause is with above setting the reason for raised It is identical.
Tube plate structure surface applies heat-sink shell, and the heat-sink shell includes transition zone, infrared successively from inside to outside from tube plate structure Reflectance coating, heat absorbing coating, antireflection coatings and protective layer, wherein transition zone, infrared reflection coating, heat absorbing coating, antireflective The thickness of coating and protective layer is 0.04um, 0.25um, 0.76um, 0.14um, 0.11um respectively;The transition zone is to pass through The transition zone for the compound that MF reactive magnetron sputtering method deposited metal Al, Si and N are formed;The infrared reflection coating is from interior It is outwards tri- layers of W, Cr, Ag, three layers of thickness proportion is 9:4:7;Heat absorbing coating from inside to outside successively include Nb, Cr, Zr, NbN, Cr2O3Five layers, three layers of thickness proportion is 8:7:4:4:5;Antireflection coatings are TiO successively from inside to outside2, AlN, Nb2O5、 Al2O3And Si3N4Five layers, wherein five layers of thickness proportion is 5:4:8:9:2;The composition of protective layer is identical with transition zone.
In above layers, by increasing the thickness proportion of heat absorbing coating, the thickness of infrared reflecting layer and antireflection layer is reduced, The absorption to solar energy can be significantly increased, meanwhile, the material of each layer by adjusting infrared reflecting layer and antireflection layer Thickness proportion, can also realize the degree for reducing reflection to sunshine.
Above-mentioned dimension scale is the optimal result got by nearly hundred kinds of different thickness proportion experiments.Pass through reality Test, for the composition and thickness using each independent stratum in above-mentioned absorber coatings, the absorptance of the absorber coatings of preparation can be made big In 0.944, and realize less than 0.041 low-launch-rate.
For the manufacture method of above-mentioned coating, can use this area pass through frequently with vacuum magnetron sputtering coating film technique system It is standby.
Shown in Figure 6 for the concrete structure of heat collector, described heat collector includes header 12,13, and thermal-collecting tube 10 connects Connect two headers 12,13.Certainly, the shape of header should be as shown in figure 3, at an angle at middle part, with the thermal-arrest in Fig. 1 Manage corresponding, Fig. 6 is not shown, only schematic diagram.Heat collector oral siphon 20 is set in the header 12, set in header 13 Heater outlet pipe 21.Preferably, heat collector oral siphon 20 and heat collector outlet pipe 21 are arranged on top A extreme higher position Place, can so ensure that the water in header from top to lower flow, ensures evenly distributing for water.Otherwise, in the thermal-collecting tube of top Moisture dosage very little, cause hot-spot.
Preferably, only setting heat-sink shell in the bottom of tube plate structure, for the top of tube sheet mechanism, solar-electricity is set Pond plate, in this manner it is achieved that a part of heat is used to generate electricity, a part of heat is used to heat, and realizes and adds the double of heat and generating power Need again.
Preferably, the material of the thermal-collecting tube of heat collector is albronze, the quality percentage of the component of the albronze Than as follows:3.9% Cr, 3.6% Ag, 2.6% Mn, 3.25% Zr, 2.3% Ce, 1.5% Ti, 2.36% Si, remaining is Cu, Al, and Cu, Al ratio are 3.23:2.18.
The manufacture method of albronze is:It is equal by 800 DEG C into round billet using vacuum metallurgy melting, argon for protecting pouring Processing is homogenized, at 630 DEG C, using being hot extruded into bar, then again after 556 DEG C of solution hardening, when carrying out artificial for 220 DEG C Effect processing.The tensile strength of alloy:Room temperature >=540MPa, 200 DEG C >=420MPa, 300 DEG C >=-250MPa.
After tested, above-mentioned alloy has very high thermal conductivity factor and heat resistance.
Preferably, the outlet pipe connection heat utilization device of heat collector, the heat utilization device can also be hot water storage tank, Hot water storage tank can be both arranged in parallel with temperature difference electricity generation device 2 and radiator 3, can also replace temperature difference electricity generation device 2 and radiating One of in device 3, or the pipeline of a hot water storage tank is only set.Heat-insulation layer, institute are set outside the hot water storage tank Stating heat-insulation layer includes vacuum thermal insulation plate, and the vacuum thermal insulation plate includes core and high-gas resistance composite membrane, true by taking out Empty mode coats core with high-gas resistance composite membrane, forms vacuum thermal insulation plate.From the direction that tank outer wall extends outwardly, The core comprises at least multilayer inorganic fibre mat, and the multilayer inorganic fibre mat is multiple-level stack or by binding agent multilayer Connect, at least density of two layers of inorganic fibre mat or composition in the multilayer inorganic fibre mat are different.
Preferably, wherein core includes the internal layer area and/or position of the close water tank wall portion of covering inorfil layer surface Outer layer zone outside inorganic fibre mat.
Preferably, internal layer area and/or outer layer zone are by aluminosilicate fiberboard, centrifugally glass-wool plate, rock cotton board, textile fabric One or more in plate, waste paper pulpboard are made.
Preferably, the number of plies of inorganic fibre mat is 30-130 layers.More preferably 50-80 layers.
Preferably, the density of inorfil is 10-300kg/m3
Preferably, the density or composition of the inorganic fibre mat of two layers of arbitrary neighborhood differ.
Preferably, along inside outward, the density increase of inorganic fibre mat.It is experimentally confirmed, density increases successively Caused effect of heat insulation is more preferable, can reach the effect of heat insulation of relatively optimization, it is possible to increase 10% or so effect of heat insulation.
Preferably, along inside outward, increased amplitude is less and less successively for the density of inorganic fibre mat.Pass through experiment Prove, the less and less caused effect of heat insulation of increasing degree is more preferable successively for the density of inorganic fibre mat, can reach more excellent Effect of heat insulation.
Preferably, the big layer of its Midst density and the small layer of density are alternately placed.It is experimentally confirmed, such a placement is heat-insulated Effect is fine, it is possible to increase more than 7.3% effect of heat insulation.Preferably, the density of the big layer of density is 100-300kg/m3, The small density of density is 10-100 kg/m3, select the density under the conditions of this to reach more excellent insulation effect.
Preferably, superfine glass cotton fiber plate, bulk density 10kg/m3-100 kg/m3, thickness 1mm-9mm.
Aluminosilicate fiberboard bulk density is 20 kg/m3-200 kg/m3, preferably 50-100 m3, thickness 1mm-9mm.
Centrifugally glass-wool plate bulk density is 20 kg/m3-150 kg/m3, preferably 50-100 m3, thickness 2mm-25mm.
Rock cotton board bulk density is 30 kg/m3-200 kg/m3, preferably 70-130 m3, thickness 3mm-35mm.
Preferably, described inorganic fibre mat is microglass fiber plate, aluminosilicate fiberboard, centrifugally glass-wool plate, rock It is two or more in cotton plate, secondary stock, textile fabric plate to be arranged alternately.
It is exemplified below:
With thickness 1mm aluminosilicate fiberboards(30kg/m3)With thickness 3mm aluminosilicate fiberboards(50kg/m3)It is stacked alternately straight To 1.2cm, core material of vacuum heat insulation plate is obtained.
Or with thickness 1mm aluminosilicate fiberboards(100kg/m3)With thickness 2mm ceramic beaverboards(70kg/m3)It is alternately folded Straighten to 1.5cm, obtain core material of vacuum heat insulation plate.
Or be stacked alternately with thickness 1mm aluminosilicate fiberboards and 2mm ceramic beaverboards and 2mm centrifugally glass-wool plates until 2cm, obtain core material of vacuum heat insulation plate.
Or it is stacked alternately with 1mm aluminosilicate fiberboards and 3mm ceramic beaverboards, 2mm rock cotton boards until 3cm, is obtained true Empty insulated panel core material.
It is or alternately folded with 1mm aluminosilicate fiberboards and 3mm ceramic beaverboards, 3mm centrifugally glass-wools plate, 3mm rock cotton boards Straighten to 3cm, obtain core material of vacuum heat insulation plate.
Preferably, can be using storage heater come instead of the temperature difference electricity generation device 2 in accompanying drawing 1.Embodiment is as follows:
The solar energy collector system, the system include heat collector 1, storage heater and radiator 3, valve 4, valve 5, Valve 18, temperature sensor 6, the heat collector 1 connect to form circulation loop with storage heater, and heat collector 1 connects shape with radiator 3 Into circulation loop, the pipeline where storage heater and radiator 3 is in parallel, and heat collector 1 absorbs solar energy, heats the water in heat collector 1, Water after heating respectively enters storage heater and radiator 3 by outlet pipeline 8, is exchanged heat in storage heater, by heat storage In the heat-storing material of storage heater, exchanged heat in radiator 3, the water flowed out in storage heater and in radiator 3 is passing through Water return pipeline 17, which enters in heat collector 1, to be exchanged heat.
In said system, by solar energy while accumulation of heat is carried out to storage heater, can outwards it be radiated using radiator. Certainly, storage heater and radiator can be with independent operatings, or one of isolated operation.
As shown in figure 1, valve 4 is arranged on outlet pipe, for controlling total water into storage heater and radiator 3, Valve 5 is arranged on the position of the inlet tube 16 of the pipeline at the place of radiator 3, for controlling the flow into the water of radiator 3, valve Door 18 is arranged on the position of the inlet tube 29 of the pipeline where storage heater, for controlling the flow into the water of storage heater, temperature Sensor 6 is arranged on the opening position of the entrance of radiator 3, for measuring the temperature into the water of radiator 3.The system is also wrapped Central controller is included, the central controller carries out data with valve 4, valve 5, valve 18, temperature sensor 6 and is connected.
Preferably, when the temperature that temperature sensor 6 measures is less than certain temperature, central controller controls valve 5 increase aperture, while control valve 18 reduces aperture, to increase the flow into the hot water of radiator 3 to increase heat dissipation capacity.When When the temperature that temperature sensor 6 measures is higher than certain temperature, central controller controls valve 5 reduces aperture, same to time control Valve 18 processed increases aperture, to reduce the flow into the hot water of radiator 3 to increase heat dissipation capacity.
When the temperature that temperature sensor 6 measures it is low to a certain extent when, ability meeting that now radiator externally exchanges heat It is deteriorated, normal heating demands can not be met, this shows that the thermal-arrest ability of solar thermal collector also goes wrong, such as sunshine It is not now very strong, or when do not have the sun at night, now valve 4 can be closed automatically, and valve 5 and valve 18 can be beaten completely Open, the pipeline where storage heater and radiator forms a circulation line, and water, which enters, absorbs what is stored in storage heater in storage heater Heat, the water of heating, which enters in radiator 3, to be radiated.
By above-mentioned operation, it can meet the heat-sinking capability of radiator 3 when sunray is strong, that is, meeting After user's radiating requirements, by more than heat stored by storage heater, the heat capacity of solar thermal collector 1 deficiency In the case of, the heat in storage heater is made full use of, to meet the radiating requirements of radiator 3.The sun can so be made full use of Can, avoid the waste of excessive heat.
Preferably, the temperature into the water in radiator 3 can not be utilized to automatically control the flow of water, can use The environment temperature on radiator periphery is measured, for example, the indoor temperature of measurement radiator(By setting indoor temperature transmitter)Come The flow into the water of radiator is automatically controlled, if indoor temperature is too low, increase enters the flow of the water of radiator 3, such as Fruit indoor temperature is too high, then reduces the flow into the water of radiator 3.
Certainly, one of flow is controlled by indoor temperature on condition that the temperature that temperature sensor 6 measures needs to be higher than one Constant temperature degree, otherwise, when the thermal-arrest of solar thermal collector is less able, increase flow anyway, radiating effect all without Very well.
When the pipeline where storage heater and radiator forms a circulation line, measured when temperature sensor 6 When temperature is less than certain temperature, central controller controls valve 5 increases aperture, while control valve 18 increases aperture, To increase the flow into the hot water of radiator 3 to increase heat dissipation capacity.When the temperature that temperature sensor 6 measures is higher than certain temperature When spending, central controller controls valve 5 reduces aperture, while control valve 18 reduces aperture, enters radiator 3 to reduce The flow of hot water increase heat dissipation capacity.The aperture of valve 5 and 15 now is consistent.
By such control, the heat of storage heater can be rationally utilized, avoids the loss of heat.
For the structure of described storage heater as shown in fig. 7, the storage heater includes housing 22, housing 22 is interior to be provided with accumulation of heat Material 28, water pipe are arranged in heat-storing material 28, and the water pipe is snakelike tubular construction in housing.Water and heat-storing material in water pipe Exchanged heat, transfer heat to heat-storing material 28.
Preferably, the space of heat-storing material filling housing is the 90-95% of housing volume, is caused with preventing expanded by heating Housing failure.
The heat-storing material is ceramic material, and the mass component of the ceramic material is as follows:SiO230-32%, 5.1-5.3% Li2O、6.5-7.8%TiO2, 3.3-3.5%MgO, 1.0-1.3%La2O3, 2.45-2.55%BaO, remaining is Al2O3
Preferably, SiO231%, 5.22%Li2O、6.85%TiO2, 3.4%MgO, 1.1%La2O3, 2.5%BaO, remaining is Al2O3
Above-mentioned heat-storing material is the result obtained by test of many times, completely full with very high heat storage capacity Being absorbed to heat in foot solar energy system running.
Preferably, temperature sensor 19 is set, for measuring the water outlet of heat collector on the outlet pipeline 8 of heat collector Temperature, while storage heater sets temperature sensor(It is not shown)For measuring the temperature of heat-storing material.In the entrance of storage heater Valve 18 is set in pipe 7, when valve 4 is opened, when the leaving water temperature of measurement is less than the temperature of heat-storing material, valve Door 18 is closed.When the leaving water temperature of measurement is higher than the temperature of heat-storing material, valve 18 is opened.It thus is avoided that storage heater will Water of the heat in feed pipe is transmitted, causes the loss of the heat in storage heater, to ensure that it is enough that storage heater can store Heat.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology Personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore protection scope of the present invention should It is defined when by claim limited range.

Claims (1)

1. a kind of solar energy system, including heat collector, heat collector includes thermal-collecting tube, speculum and collecting plate, adjacent two collection Connected between heat pipe by collecting plate, so that tube plate structure is formed between multiple thermal-collecting tubes and adjacent collecting plate, the collection Hot plate is straight panel, and the tube plate structure is linear structure;
The system includes temperature difference electricity generation device and radiator, and the heat collector is connected to be formed with temperature difference electricity generation device and is recycled back to Road, heat collector connect to form circulation loop with radiator, and the pipeline where temperature difference electricity generation device and radiator is in parallel, and heat collector is inhaled Solar energy to be received, heats the water in heat collector, the water after heating respectively enters temperature difference electricity generation device and radiator by outlet pipeline, Generated electricity in temperature difference electricity generation device, exchanged heat in radiator, flowed out in temperature difference electricity generation device and in radiator Water enters in heat collector in process water return pipeline to be exchanged heat;
First valve is arranged on outlet pipe, for controlling total water into temperature difference electricity generation device and radiator, the second valve Door is arranged on the position of the inlet tube of the pipeline where radiator, for controlling the flow into the water of radiator, the 3rd valve The position of the inlet tube for the pipeline being arranged on where temperature difference electricity generation device, for controlling the stream into the water of temperature difference electricity generation device Amount, temperature sensor are arranged on the opening position of the entrance of radiator, for measuring the temperature into the water of radiator;The system Also include central controller, the central controller and the first valve, the second valve, the 3rd valve, temperature sensor enter line number According to connection;
When the temperature of temperature sensor measurement it is low to a certain extent when, now the first valve can close automatically, the second valve It can be opened completely with the 3rd valve, the pipeline where temperature difference electricity generation device and radiator forms a circulation line, and water enters temperature Poor TRT, to being heated into temperature difference electricity generation device reclaimed water, the water of heating enters the electric energy of temperature difference electricity generation device storage Radiated in radiator;
Shape is at a certain angle between two pieces of tube plate structures, and the angle direction is relative with the circular arc cable architecture of speculum, reflection The focus of mirror is located between the angle of tube plate structure formation;The focus of speculum is in two pieces of tube plate structure least significant end lines Point on;The circular arc line radius of speculum is R, and the length of every piece of tube plate structure is R1, and the radius of thermal-collecting tube is R2, same tube sheet knot The distance in the center of circle of adjacent thermal-collecting tube is L on structure, and the angle between two pieces of tube plate structures is a, then meets equation below:
R1/R=c*sin(a/2)b,
0.18<R2/L<0.34,
Wherein c, b are coefficient, 0.39<c<0.41,0.020<b<0.035;
0.38< R1/R<0.41,80 °<=A<=150 °, 450mm<R1<750mm,1100mm<R<1800mm,
90mm<L<150mm,20mm<=R2<50mm。
CN201610023368.9A 2015-04-07 2015-04-07 A kind of solar energy system Active CN105650904B (en)

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CN201510159408.8A CN104713250B (en) 2015-04-07 2015-04-07 A kind of arc tube plate-type solar thermal collector system

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101814870A (en) * 2010-04-27 2010-08-25 华南理工大学 Solar trench type temperature-difference generating device
CN101949594A (en) * 2010-09-30 2011-01-19 北京印刷学院 Hemispherical light-collecting secondary reflective solar water heater
CN104075463A (en) * 2014-07-17 2014-10-01 杭州金培科技有限公司 Arc tube plate type solar thermal collector system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101814870A (en) * 2010-04-27 2010-08-25 华南理工大学 Solar trench type temperature-difference generating device
CN101949594A (en) * 2010-09-30 2011-01-19 北京印刷学院 Hemispherical light-collecting secondary reflective solar water heater
CN104075463A (en) * 2014-07-17 2014-10-01 杭州金培科技有限公司 Arc tube plate type solar thermal collector system

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