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.