CN1913331A - Sunlight electric thermal energy conversion system - Google Patents
Sunlight electric thermal energy conversion system Download PDFInfo
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- CN1913331A CN1913331A CNA2006100298745A CN200610029874A CN1913331A CN 1913331 A CN1913331 A CN 1913331A CN A2006100298745 A CNA2006100298745 A CN A2006100298745A CN 200610029874 A CN200610029874 A CN 200610029874A CN 1913331 A CN1913331 A CN 1913331A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
Abstract
This invention relates to a solar photoelectric energy converter including a photovoltaic battery board and an assistant thin water tank, in which , the photovoltaic battery board is formed by composing photovoltaic sensing small wafers on a heat conduction film to make up of a board, said water tank is a cuboid, the top surface of which is made of Al material closely combined with the film of the board, the bottom and four sides are made of stainless steel, inlet/outlet interfaces are set at the cross positions of the two symmetrical sides, the conversion system is connected with the water tank by the interfaces and the conversion system is connected with the photovoltaic battery board.
Description
Technical field
What the present invention relates to is a kind of system of energy technology field, specifically is a kind of sunlight electric thermal energy conversion system.
Background technology
Current energy growing tension and environmental issue become increasingly conspicuous, and solar energy has been put on industrialized agenda as the development and utilization of renewable and clean energy resource globally.Along with the progress of material science and basic industries, how effectively to utilize the theoretical research of solar energy and practical technique exploitation that significant progress has all been arranged, but, still exist the technical bottleneck that hinders the solar energy highly effective Conversion and Utilization with regard to the current state of the art.The present invention is directed to the Primary Component of solar power system---there is photoelectric conversion efficiency low (10～20%) in photovoltaic cell, consider from deep layer mechanism, propose novel sunlight electric thermal energy converter invention thought, can improve the conversion efficiency of energy converter from top ground on the technological layer of power conversion and utilization.
Find by prior art documents, " photovoltaic generating system maximum delivery efficiency explore " (Pan Yuliang, to execute waterside upright. microelectronics and the 9th phase of basic product .2001) scientifically analyzed Primary Component in the photovoltaic generating system---the mechanism of action of photovoltaic cell conversion efficiency, and the technical method of MPPT maximum power point tracking has been proposed to reach the raising of system's delivery efficiency according to the output characteristic of photovoltaic cell.The improvement that above-mentioned research thinking adopts the mathematical method that is not quite similar or control technology to realize delivery efficiency has all been continued to use in similar research subsequently basically on the problem of MPPT maximum power point tracking.
But, above-mentioned author only is confined to think deeply on the photovoltaic cell output characteristic, attempt to reach the delivery efficiency that improves electricity generation system with the power that increase is output in the outer load by the method for following the tracks of maximum power point, obviously, under the situation that photovoltaic cell has been determined, adopt said method to improve the delivery efficiency of system, technique effect is still not remarkable, and in theory still lack fully demonstration, more do not pay attention to from whole energy conversion efficiency.
In further retrieving, find identical with theme of the present invention or similar bibliographical information as yet.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of sunlight electric thermal energy conversion system is provided, make it can be solar radiation becomes electric energy with transform light energy to photovoltaic battery panel when, also the parasitic heat energy with transform light energy is fully utilized, be converted into life or production heat energy, it is nearly 50% to make that the photoelectric conversion efficiency of existing any photovoltaic cell all can improve on the original basis, and solar energy gross energy transfer ratio is reached more than 55%.When improving capacity usage ratio, also photovoltaic cell is played the effect of cooling, reach the prolongation photovoltaic cell effect in useful life.
The present invention is achieved by the following technical solutions, and sunlight electric thermal energy conversion system of the present invention comprises: sunlight electric thermal energy converter, solar photovoltaic conversion system and solar energy optical-thermal converting system.
Described sunlight electric thermal energy converter comprises: photovoltaic battery panel, auxiliary slim water tank.Photovoltaic battery panel is to be combined in to constitute on the heat conduction film by the little wafer of photogenic voltage sensing to have the plate body of setting geometry, area and electric output parameter; Described auxiliary slim water tank, be a cuboid water tank, the upper surface of this water tank is that aluminium plate is made, and combines closely with the heat conduction film of photovoltaic battery panel, bottom surface and four sides are the stainless steel casing, are provided with into/the water outlet interface on the diagonal position of two symmetrical sides of stainless steel casing.
Described photovoltaic battery panel entirely is combined on the heat conduction film by the requirement (comprising: photovoltaic battery panel rated output voltage value, photovoltaic battery panel area size and shape etc.) of the little wafer of photogenic voltage sensing according to the user.Wherein, the little wafer of photogenic voltage sensing all has two wire electrodes, connect combination by serial/parallel each other, can constitute photovoltaic battery panel with certain geometrical shape, area and electric output parameter, each photovoltaic battery panel all has the photovoltaic cell plate electrode of two generating positive and negative voltage outputs, and each photovoltaic battery panel requires to be combined into the photovoltaic cell plate array by serial/parallel the connecing on electric according to actual techniques again.
Described auxiliary slim water tank, two symmetrical stainless steel casing side respectively is provided with two to be advanced/the water outlet interface, have four and advance/the water outlet interface, for each solar photoelectric thermal energy transducer advance/interconnecting of water outlet interface gang up.
Describedly advance/the water outlet interface, being equipped with two kinds advances/water outlet mouthpiece joint, two of a side are advanced/water outlet mouthpiece joint rib-loop clockwise direction, two of another side are advanced/water outlet mouthpiece joint rib-loop counter clockwise direction, during non operating state before being in system assembles, each advances/and the water outlet interface is in sealed condition, installs in case carry out system, as long as open plug, by two-way and inlet pipe connect add anti-leak elastic tape can with of the present inventionly advance/the water outlet interface is connected in twos.
Described sunlight electric thermal energy converter is a kind of incorporate assembly, the electrical power of photovoltaic battery panel is exported by the photovoltaic cell plate electrode, export electric energy to electrical network by photo-translating system, photovoltaic battery panel is by combine closely water in the auxiliary slim water tank of heat transferred that will be generated of the heat conduction film and the upper surface aluminium plate of auxiliary slim water tank, the heat energy of water passes through water circulation system again, being the photo-thermal converting system is directly utilized the parasitic heat energy of photovoltaic battery panel by the terminal use, or carries out the secondary conversion of heat energy.Therefore incorporate sunlight electric thermal energy converter is common energy generation source---the solar energy of structure photo-translating system and photo-thermal converting system, promptly generates two kinds of forms after the sunlight electric thermal energy converter conversion---electricity and hot energy source.
Described photo-translating system comprises: direct current transfer wire, DC-AC inverter, controller, detection signal transmission line, control signal transmission line, electrical network.When solar radiation is to photovoltaic battery panel, by wherein the little wafer of photogenic voltage sensing (being the photogenic voltage transducer) solar radiant energy is directly changed into electric energy, the formed electrical power of photovoltaic cell plate array this moment is exported by the photovoltaic battery panel array electrode, electrode is connected with the DC-AC inverter by the direct current transfer wire, the DC-AC inverter converts the direct current of importing to alternating current and exports electrical network under the control of controller, controller is to electrical network electric parameter (voltage, frequency and phase place) detect, and with detection signal after testing signal transmssion line transfer to the input of controller, controller is connected through the control signal transmission line control signal by PWM (pulse-width modulation) control strategy according to the electric parameter instantaneous value of electrical network with the DC-AC inverter, realize that the DC-AC inverter is to line voltage, frequency, the synchronous tracking of phase place and maximum power output.
Described photo-thermal converting system comprises: pipeline, hot water evaporator, tuning valve, check-valves, water inlet pipe and outlet pipe, these parts constitute the current heat energy circulating system with auxiliary slim water tank.When solar radiation was to photovoltaic battery panel, photovoltaic battery panel also became solar energy converting that the energy of another form---heat energy appears on the photovoltaic battery panel when solar energy converting is become electric energy, made the back temperature of photovoltaic battery panel continue to rise.The parasitic heat energy that photovoltaic battery panel obtained conducts to the water of assisting in the slim water tank through heat conduction film and aluminium plate, and the heat energy of water forms the current heat energy circulating system by pipeline, hot water evaporator, tuning valve, check-valves, water inlet pipe and outlet pipe.
Described current heat energy circulating system has three kinds of endless form: sealing free convection circulation, summer user's refrigerant cycles, user's pyrogenicity circulation in winter.Further specify as follows:
System's water inlet pipe connects the family running water, utilizes the feed pressure of running water that water is full of whole circulation system.The heat transferred that sunlight electric thermal energy converter is produced when photovoltaic battery panel reception sunlight converts light energy to electric energy is assisted the water in the slim water tank, and converts the heat energy of water continuously to.Wherein the tuning valve is that (the tuning valve has three kinds of operating states to the crucial switching device of change current heat energy circulating system endless form, and illustrate) with " summer ", " 0 ", " winter " three kinds of signs, the heat energy of water can be transported to " winter " flag bit inlet of the import of hot water evaporator and tuning valve by pipeline, " summer " flag bit inlet and the check-valves that divide two-way to transport to the tuning valve respectively by the outlet of hot water evaporator.When the tuning valve was in " 0 " flag bit, system's outlet pipe did not have current to flow out, and by the directed flow of check-valves, the water quality of photo-thermal converting system is in closed pair stream recurrent state under the effect of altitude temperature difference effect, realizes the circulation exchange of heat; When the tuning valve is in " summer " flag bit, system's outlet pipe is communicated with by the road with the outlet of hot water evaporator, under the effect along with the hydraulics negative pressure that outflow produced of system's outlet pipe hot water, the hot water evaporator is when taking away the heat that photovoltaic battery panel produced, also absorb the heat of surrounding space, this moment, water circulation system constituted absorption refrigerating system, promptly, with the hot water in the auxiliary slim water tank of the heat transferred of photovoltaic battery panel, under the promotion of water inlet pipe tap water pressure, in discharging, the hot water that flow to the hot water evaporator by pipeline can produce vaporization, while comes in the heat absorption of hot water evaporator periphery again and takes away, and therefore again user's indoor environment is played the effect of cold air-conditioning in the temperature that reduces photovoltaic battery panel; When the tuning valve is in " winter " flag bit, system's outlet pipe is incited somebody to action the hot water of the hot water evaporator of will flowing through originally directly through tuning valve outflow system outlet pipe by pipeline, this moment since the hydraulics negative pressure that hot water evaporator water inlet produces under the effect of check-valves, the hot water that originally was full of in the hot water evaporator is in static not flow regime, under the promotion of water inlet pipe tap water pressure, along with continuously outflowing of hot water, the heat that photovoltaic battery panel produced is also just directly taken away continuously, therefore in the temperature that reduces photovoltaic battery panel, the hot water that originally was full of in the hot water evaporator plays the effect of heat supply again to user's indoor environment.
The present invention has tangible technology/economic advantages:
(1) circulation becomes the cooling system of photovoltaic battery panel, make photovoltaic battery panel be in relatively low temperature environment, impel the semiconductor energy gap to be in small range all the time, kept the constant-current source characteristic of photovoltaic cell, prolonged photovoltaic cell normal useful life simultaneously;
(2) fully use the solar energy power generating principle to make system's output be in the maximum power output state all the time;
When (3) heat that photovoltaic battery panel is absorbed absorbs the heat energy that converts recirculated water to continuously and uses for the user, again the space of flowing through is played the effect of air-conditioning.
Therefore, macroscopic view (conservation of energy of solar energy converting process) no matter, or microcosmic (photovoltaic cell characteristic of semiconductor, as: transition electron number, lead/energy gap, export voltage-current characteristic etc.) go up, the present invention has all reached optimum degree to the power output and the energy conversion efficiency of solar photovoltaic generation system, and realized playing energy-conservation optimum efficiency based on opto-electronic conversion of the present invention and two integrated structures of energy conversion system of photo-thermal conversion.
Description of drawings
Fig. 1 is a structural representation of the present invention
Among the figure, sunlight electric thermal energy converter 1, direct current transfer wire 2, DC-AC inverter 3, control signal transmission line 4, controller 5, detection signal transmission line 6, electrical network 7, pipeline 8, hot water evaporator 9, tuning valve 10, check-valves 11, water inlet pipe 12, outlet pipe 13, photovoltaic battery panel 14, auxiliary slim water tank 15.
Embodiment
As shown in Figure 1, the present invention includes: sunlight electric thermal energy converter 1, solar photovoltaic conversion system and solar energy optical-thermal converting system.Sunlight electric thermal energy converter 1 comprises: photovoltaic battery panel 14, auxiliary slim water tank 15.Photovoltaic battery panel 14 is to be combined in the plate body that constitutes on the heat conduction film by the little wafer of photogenic voltage sensing; Described auxiliary slim water tank 15, be a cuboid water tank, the upper surface of this water tank is that aluminium plate is made, and combines closely with the heat conduction film of photovoltaic battery panel 14, bottom surface and four sides are the stainless steel casing, are provided with into/the water outlet interface on the diagonal position of two symmetrical sides of stainless steel casing.The solar energy optical-thermal converting system by advance/the water outlet interface is connected with auxiliary slim water tank 15, the solar photovoltaic conversion system is connected with photovoltaic battery panel 14.
Described photovoltaic battery panel 14, the little wafer of its photogenic voltage sensing all has two wire electrodes, connect combination by serial/parallel each other, can constitute photovoltaic battery panel 14 with certain geometrical shape, area and electric output parameter, each photovoltaic battery panel 14 all has photovoltaic battery panel 14 electrodes of two generating positive and negative voltage outputs, and each photovoltaic battery panel 14 requires to be combined into photovoltaic battery panel 14 arrays by serial/parallel the connecing on electric according to actual techniques again.
Described auxiliary slim water tank 15, two symmetrical stainless steel casing side respectively is provided with two to be advanced/the water outlet interface, have four and advance/the water outlet interface, for each solar photoelectric thermal energy transducer advance/interconnecting of water outlet interface gang up.
Describedly advance/the water outlet interface, being equipped with two kinds advances/water outlet mouthpiece joint, two of a side are advanced/water outlet mouthpiece joint rib-loop clockwise direction, two of another side are advanced/water outlet mouthpiece joint rib-loop counter clockwise direction, four advance/the water outlet interface utilizes two-way and inlet pipe connects and prevent the elastic tape that leaks, connect inner face by two-way and inlet pipe to advance/two cloudy rib-loops that water outlet mouthpiece joint rib-loop is corresponding are connected in twos with two kinds.
Described solar photovoltaic conversion system comprises: direct current transfer wire 2, DC-AC inverter 3, controller 5, detection signal transmission line 6, control signal transmission line 4, electrical network 7.When solar radiation is to photovoltaic battery panel 14, by wherein the little wafer of photogenic voltage sensing solar radiant energy is directly changed into electric energy, the formed electrical power of photovoltaic battery panel 14 arrays this moment is exported by photovoltaic battery panel 14 array electrodes, electrode is connected with DC-AC inverter 3 by direct current transfer wire 2, DC-AC inverter 3 converts the direct current of importing to alternating current and exports electrical network 7 under the control of controller 5,5 pairs of electrical networks of controller, 7 electric parameter (voltages, frequency and phase place) detect, and with detection signal after testing signal transmssion line 6 transfer to the input of controller 5, controller 5 is connected through control signal transmission line 4 control signal by pulse-width modulation according to the electric parameter instantaneous value of electrical network 7 with DC-AC inverter 3, realize 3 pairs of electrical network 7 voltages of DC-AC inverter, frequency, the synchronous tracking of phase place and maximum power output.
Described solar energy optical-thermal converting system comprises: pipeline 8, hot water evaporator 9, tuning valve 10, check-valves 11, water inlet pipe 12 and outlet pipe 13, these parts constitute the current heat energy circulating system with auxiliary slim water tank 15.Wherein, auxiliary slim water tank 15 by its advance/water outlet interface and pipeline 8 be tightly connected, pipeline 8 is connected with hot water evaporator 9, tuning valve 10, check-valves 11 respectively again.The advancing of water inlet pipe 12 1 ends and auxiliary slim water tank 15 arrays/water outlet sealing joint is connected, and other end connection family running water utilizes the feed pressure of running water that water is full of whole circulation system.
Sunlight electric thermal energy converter 1, solar radiant energy is directly changed into electric energy by 14 arrays of the photovoltaic battery panel in the sunlight electric thermal energy converter 1 exports to photo-translating system to electrical network 7 power supplies, the heat energy that photovoltaic battery panel 14 is produced when accepting solar radiant energy converts the heat of water to by the auxiliary slim water tank 15 in the sunlight electric thermal energy converter 1, and the heat of water is constructed the circulatory system by pipeline 8 and realized the cooling effect of photovoltaic battery panel and the utilization again of heat energy.
The heat transferred that sunlight electric thermal energy converter 1 is produced when photovoltaic battery panel 14 reception solar radiant energies convert light energy to electric energy is assisted the water in the slim water tank 15, and converts the heat energy of water continuously to.The heat energy of water can be transported to " winter " flag bit inlet of the import of hot water evaporator 9 and tuning valve 10 by pipeline 8, " summer " flag bit inlet and check-valves 11 that divide two-way to transport to tuning valve 10 respectively by the outlet of hot water evaporator 9.When tuning valve 10 was in " 0 " flag bit, system's outlet pipe 13 did not have current to flow out, and by the directed flow of check-valves, the water quality of photo-thermal converting system is in closed pair stream recurrent state under the effect of altitude temperature difference effect; When tuning valve 10 is in " summer " flag bit, the outlet of system's outlet pipe 13 and hot water evaporator 98 is communicated with by the road, under the effect along with the hydraulics negative pressure that outflow produced of system's outlet pipe 13 hot water, hot water evaporator 9 is when the heat that photovoltaic battery panel 14 is produced is taken away, also absorb the heat of surrounding space, this moment, water circulation system constituted absorption refrigerating system, promptly, with the hot water in the auxiliary slim water tank 15 of the heat transferred of photovoltaic battery panel 14, under the promotion of water inlet pipe 12 tap water pressures, in discharging, the hot water that flow to hot water evaporator 9 by pipeline 8 can produce vaporization, while comes in the heat absorption of hot water evaporator 9 peripheries again and takes away, and therefore again user's indoor environment is played the effect of cold air-conditioning when reducing photovoltaic battery panel 14 temperature; When tuning valve 10 is in " winter " flag bit, system's outlet pipe 13 is incited somebody to action the hot water of the hot water evaporator 9 of will flowing through originally directly through tuning valve 10 outflow system outlet pipes 13 by pipeline 8, this moment since the hydraulics negative pressure that hot water evaporator 9 water inlets produce under the effect of check-valves, the hot water that originally was full of in the hot water evaporator 9 is in static not flow regime, under the promotion of water inlet pipe 12 tap water pressures, along with continuously outflowing of hot water, the heat that photovoltaic battery panel 14 is produced is also just directly taken away continuously, therefore when reducing photovoltaic battery panel 14 temperature, the hot water that originally was full of in the hot water evaporator 9 plays the effect of heat supply again to user's indoor environment.
According to solar radiation E=E
f+ E
q+ E
e(wherein, E, E
f, E
q, E
eBe respectively solar radiation power, photovoltaic cell surface reflection power, be converted into the electric energy that other power, solar radiations such as heat energy convert to after being radiated photovoltaic cell); Secondly according to E
e=E
r+ E
R(wherein, E
r, E
RBe respectively photovoltaic cell internal loss power, photovoltaic cell real output); Basis again
(wherein, I, I
L, I
0Be respectively photovoltaic cell output current, photogenerated current, photovoltaic cell reverse saturation current; V is the photovoltaic cell output voltage; R
L, R
s, R
ShBe respectively load resistance, photovoltaic cell equivalent series resistance, photovoltaic cell ohmic leakage; Q is an electron charge; T
0, T is respectively thermodynamics normal temperature and real time temperature; A is the quality factor of photovoltaic cell; K is a Boltzmann constant; E
G0Be the energy gap of semiconductor when the absolute zero);
Obvious: photovoltaic cell power output p=IV absorbs at photovoltaic cell under the situation of heat energy increase, and the temperature of itself can rise thereupon; From certain period that low temperature begins to rise, photovoltaic cell has the constant-current source characteristic, and output voltage is in continuous rising simultaneously, and this moment, power output presented the process of increase; After temperature rose to certain value, along with the further rising of voltage, the output current of photovoltaic sharply began to descend, and power output does not rise counter falling; Therefore photovoltaic cell is when the sunlight continuous radiation, and power output is the non-linear process under the multivariable complexing action.
Whole implementation process meets above-mentioned photoelectric effect, the conservation of energy, thermodynamics and heat transfer principle fully.
Embodiment: polysilicon PC-Si solar photovoltaic cell panel, its equivalent area 50m
2, maximum rated electromotive power output 2.5kW adopts the present invention to make up opto-electronic conversion and two energy conversion system integral structures of photo-thermal conversion move, and carries out performance relatively with the photo-translating system of same equivalent area and maximum rated electromotive power output.
Concrete result of implementation is as follows:
(1) when ambient temperature be that 34 ℃, solar irradiance are 800W/m
2The time, the mean temperature at the photovoltaic cell plate array back side rises to 55 ℃; When ambient temperature is that 35 ℃, solar irradiance are 1000W/m
2The time, the mean temperature at the photovoltaic cell plate array back side rises to more than 75 ℃.
(2) do not adopt photo-translating system of the present invention, its output voltage and power all are subjected to the appreciable impact that temperature rises: open circuit voltage V
OcDescend along with the rising of temperature, substantially, 1 ℃ of the every rising of temperature t, V
Oc2～2.3mV descends; Short circuit current (leakage current) I
ScCan rise along with the raising of t; Power output p
OutDescend 1 ℃ of the every rising of t, p along with the rising of t
OutLose 0.35～0.45%.
(3) opto-electronic conversion and the photo-thermal conversion dual system that adopts the present invention to make up is within the scope that exceeds 5 ℃ of ambient temperatures the mean temperature at the photovoltaic cell plate array back side; Open circuit voltage V
OcAll the time be near the rated value, the photovoltaic cell plate array shows good constant-current source characteristic; Under the effect of controller and DC-AC inverter, realization voltage, frequency, phase place are exported the synchronous tracking and the maximum power of electrical network.
(4) opto-electronic conversion and the photo-thermal conversion dual system that adopts the present invention to make up, make the accessory substance (parasitic heat energy) of solar irradiation photovoltaic cell plate array obtain fully with effectively utilizing, the hot water that the terminal use not only can obtain utmost point low operating cost throughout the year uses, but also user's floor space is played the action effect of air-conditioning; After measured: summer, outdoor temperature was 34 ℃, when the tuning valve is in " summer " sign, and 25m
2The mean temperature in room is in 27 ± 1 ℃; Winter, outdoor temperature was 8 ℃, and when the tuning valve was in " winter " sign, the mean temperature in same room was in 16 ± 2 ℃.
(5) process is to transfer power and caloric value determination, and the photoelectric conversion efficiency of photovoltaic cell reaches 28%; Absorbed the heat energy that uses by system and account for more than 30% of solar irradiation energy; The energy effective utilization rate is more than 58%.
Claims (8)
1, a kind of sunlight electric thermal energy conversion system, comprise: sunlight electric thermal energy converter (1), solar photovoltaic conversion system and solar energy optical-thermal converting system, it is characterized in that, described sunlight electric thermal energy converter (1) comprising: photovoltaic battery panel (14), auxiliary slim water tank (15), photovoltaic battery panel (14) are to be combined in to constitute on the heat conduction film by the little wafer of photogenic voltage sensing to have the plate body of setting geometry, area and electric output parameter; Described auxiliary slim water tank (15), it is a cuboid water tank, its upper surface is the aluminium plate surface, combine closely with the heat conduction film of photovoltaic battery panel (14), bottom surface and four sides are the stainless steel casing, on the diagonal position of two symmetrical sides of stainless steel casing, be provided with into/the water outlet interface, the solar energy optical-thermal converting system by advance/the water outlet interface is connected with auxiliary slim water tank (15), the solar photovoltaic conversion system is connected with photovoltaic battery panel (14).
2, sunlight electric thermal energy conversion system according to claim 1, it is characterized in that, described photovoltaic battery panel (14), the little wafer of its photogenic voltage sensing all has two wire electrodes, constitute photovoltaic battery panel (14) by serial/parallel connecing each other with setting geometry, area and electric output parameter, each photovoltaic battery panel (14) all has photovoltaic battery panel (14) electrode of two generating positive and negative voltage outputs, and each photovoltaic battery panel (14) is combined into photovoltaic battery panel (14) array by serial/parallel the connecing on electric.
3, sunlight electric thermal energy conversion system according to claim 1, it is characterized in that, described auxiliary slim water tank (15), two symmetrical stainless steel casing side respectively is provided with two and advances/the water outlet interface, have four and advance/the water outlet interface, for each solar photoelectric thermal energy transducer advance/interconnecting of water outlet interface gang up.
4, according to claim 1 or 3 described sunlight electric thermal energy conversion systems, it is characterized in that, describedly advance/water outlet interface (7), being equipped with two kinds advances/water outlet mouthpiece joint, two of a side are advanced/water outlet mouthpiece joint (8) rib-loop clockwise direction, two of another side are advanced/water outlet mouthpiece joint (9) rib-loop counter clockwise direction, four advance/water outlet interface (7) utilizes two-way and inlet pipe connects (10) and the anti-elastic tape (13) that leaks, connect (10) inner face and two kinds by two-way and inlet pipe and advance/water outlet mouthpiece joint (8,9) two of the rib-loop correspondence cloudy rib-loops (11,12) be connected in twos.
5, sunlight electric thermal energy conversion system according to claim 1, it is characterized in that, described solar photovoltaic conversion system comprises: direct current transfer wire (2), DC-AC inverter (3), controller (5), detection signal transmission line (6), control signal transmission line (4), electrical network (7), DC-AC inverter (3) input connects photovoltaic battery panel (14) array, DC-AC inverter (3) converts the direct current of importing to alternating current and exports electrical network (7) under the control of controller (5), controller (5) detects electrical network (7) electric parameter, and with detection signal after testing signal transmssion line (6) transfer to the input of controller (5), controller (5) is connected through control signal transmission line (4) control signal by pulse-width modulation according to the electric parameter instantaneous value of electrical network (7) with DC-AC inverter (3), realize that DC-AC inverter (3) is to electrical network (7) voltage, frequency, the synchronous tracking of phase place and maximum power output.
6, according to claim 1 or 2 or 5 described sunlight electric thermal energy conversion systems, it is characterized in that, described photovoltaic battery panel (14), its electrode is connected with DC-AC inverter (3) by direct current transfer wire (2), when solar radiation is last to photovoltaic battery panel (14), by wherein the little wafer of photogenic voltage sensing solar radiant energy is directly changed into electric energy, the formed electrical power of photovoltaic battery panel (14) array this moment exports DC-AC inverter (3) to by photovoltaic battery panel (14) array electrode.
7, sunlight electric thermal energy conversion system according to claim 1, it is characterized in that, described solar energy optical-thermal converting system comprises: pipeline (8), hot water evaporator (9), tuning valve (10), check-valves (11), water inlet pipe (12) and outlet pipe (13), these parts constitute the current heat energy circulating system with auxiliary slim water tank (15), wherein, auxiliary slim water tank (15) by its advance/water outlet interface and pipeline (8) be tightly connected, pipeline (8) more respectively with hot water evaporator (9), tuning valve (10), check-valves (11) is connected, the advancing of water inlet pipe (12) one ends and auxiliary slim water tank (15) array/water outlet sealing joint is connected, the other end connects the family running water, utilizes the feed pressure of running water that water is full of whole circulation system.
8, sunlight electric thermal energy conversion system according to claim 1, it is characterized in that, described sunlight electric thermal energy converter (1), by its inner photovoltaic battery panel (14) solar radiant energy being directly changed into electric energy exports to photo-translating system and powers to electrical network (7), the heat energy that photovoltaic battery panel (14) is produced when accepting solar radiant energy converts the heat of water to by the auxiliary slim water tank (15) in the sunlight electric thermal energy converter (1), and the heat of water is constructed the circulatory system by pipeline (8) and realized the cooling of photovoltaic battery panel and the utilization again of heat energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100298745A CN1913331A (en) | 2006-08-10 | 2006-08-10 | Sunlight electric thermal energy conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100298745A CN1913331A (en) | 2006-08-10 | 2006-08-10 | Sunlight electric thermal energy conversion system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304055B (en) * | 2007-05-09 | 2012-05-16 | 昆山太得隆机械有限公司 | Solar concentration type high-efficiency electrification heat-producing machine |
| CN103795327A (en) * | 2014-02-25 | 2014-05-14 | 江苏万宇电能科技有限公司 | Small photo-thermal combination solar power station |
-
2006
- 2006-08-10 CN CNA2006100298745A patent/CN1913331A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304055B (en) * | 2007-05-09 | 2012-05-16 | 昆山太得隆机械有限公司 | Solar concentration type high-efficiency electrification heat-producing machine |
| CN103795327A (en) * | 2014-02-25 | 2014-05-14 | 江苏万宇电能科技有限公司 | Small photo-thermal combination solar power station |
| CN103795327B (en) * | 2014-02-25 | 2015-12-16 | 江苏万丰光伏有限公司 | A kind of small-sized photo-thermal coupling solar power station |
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