CN101373941A - Solar cell power generation system using photo-electricity and photo-heat comprehensively - Google Patents
Solar cell power generation system using photo-electricity and photo-heat comprehensively Download PDFInfo
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- CN101373941A CN101373941A CNA200810214807XA CN200810214807A CN101373941A CN 101373941 A CN101373941 A CN 101373941A CN A200810214807X A CNA200810214807X A CN A200810214807XA CN 200810214807 A CN200810214807 A CN 200810214807A CN 101373941 A CN101373941 A CN 101373941A
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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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
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Abstract
The invention belongs to the solar application technology field, and relates to a solar battery generation system, which adopts the opto-electrical and photothermic multipurpose use, comprises a generating set and a solar tracking device, and is characterized in that a photothermic utilization device is also included in the system, wherein, the photothermic utilization device comprises a water storage tank, a cold water pipe, a hot-water pipe, distributive pipes for connecting the cold water pipe and the hot-water pipe and an absorber plate which is positioned above each distributive pipe and forms a whole body together with the distributive pipes. The photothermic utilization device continuously transfers the heat which is generated by a solar battery under the sunlight when converting sunlight energy into electrical energy, the solar battery is led to work under the best condition during the photoelectric conversion process, and the transferred heat is utilized to supply hot water for life, thereby realizing opto-electrical and photothermic integration, overlapping the power generation efficiency and the heat utilization efficiency, and increasing the whole efficiency of solar utilization greatly.
Description
Affiliated technical field
The invention belongs to application of solar, relate to the solar cell electricity generation system of a kind of photoelectricity, photo-thermal comprehensive utilization.
Background technology
Along with the development of World Economics, the supply day of electric power energy is becoming tight, the tradition electric power energy of fuel production, be faced with the reserves threat less and less of coal, oil on the one hand, and on the other hand, when utilizing fuel production electric power, environment has been caused serious pollution.Because solar energy is the cleanest energy, it is seen everywhere, and its eternal existence.Thereby increasing people turns to attentiveness and utilizes solar power generation, and particularly based on the solar cell electricity generation system of opto-electronic conversion, utilizing the solar cell generating most important is exactly the photoelectric conversion efficiency that improves solar cell.People have done a lot of effort for this reason, utilize condenser to improve sunlight strength, make and focus on the solar panel, in order further to improve the photoelectric conversion efficiency of solar panel, also load onto auto-tracking sun device for solar panel, no matter how the relative motion of the sun and the earth changes the relative position between them, and solar panel can keep over against the sun always, thereby the daylighting face of solar panel can be adopted sunlight as much as possible.But the photoelectric conversion efficiency of solar panel increases along with the increase of the solar energy that collects on the one hand, and be positioned at solar panel on the caustic surface on the other hand in daylighting, the temperature of himself is also in continuous rising, the photoelectric conversion efficiency of solar panel can be along with the rising of himself temperature and the characteristic that descends, this just is difficult to make the efficient of solar panel further to improve, and the heat that solar radiation produces in opto-electronic conversion has also been wasted in vain.
Summary of the invention
The object of the present invention is to provide the solar cell electricity generation system of a kind of photoelectricity, photo-thermal comprehensive utilization, this system with the heat? recovery of solar radiation to the solar cell, is used to provide hot water when improving photoelectric conversion efficiency.
Photoelectricity provided by the present invention, the solar cell electricity generation system of photo-thermal comprehensive utilization, form by Blast Furnace Top Gas Recovery Turbine Unit (TRT) and sun tracker that solar panel and installing rack thereof constitute, described sun tracker is by driving mechanism, the follow-up control circuit of mechanical transmission mechanism and controlling and driving mechanism constitutes, it is characterized in that also having in the system by water storage tank, cold water pipe, hot-water line, connect cold water pipe and the distributive pipe of hot-water line and on each distributive pipe, be the solar thermal utilization device of the absorber plate formation of one with it, it is to become solar panel on the absorber plate of one that solar panel is installed in distributive pipe, between solar panel and the absorber plate heat-conducting insulated film is arranged, the distributive pipe and the cold water pipe of described connection cold water pipe and hot-water line, the hot-water line sealing, flexibly connect, by N piece solar panel and with N the cold water pipe that distributive pipe is connected at the solar panel back side, hot-water line is installed in and constitutes a photoelectricity on the installing rack, the solar cell generator unit of photo-thermal comprehensive utilization, N 〉=1 wherein, this photoelectricity, the solar cell electricity generation system of photo-thermal comprehensive utilization is by more than one photoelectricity, the solar cell generator unit of photo-thermal comprehensive utilization is formed, the cold water pipe of two adjacent generator units communicates, outermost cold water pipe taps into taps, the hot-water line of two adjacent generator units communicates, and the hot-water line of close water storage tank one side connects water tank by temperature detect switch (TDS).
Photoelectricity provided by the present invention, the solar cell electricity generation system operation principle of photo-thermal comprehensive utilization is as follows: the core Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the solar cell array construction system that is made of solar panel, sun tracker makes solar panel follow the tracks of the sun, thereby further improved the photoelectric conversion efficiency of solar cell, but because sun tracker makes solar panel all the time over against the sun, this also makes the temperature of solar cell daylighting face raise, when the work temperature rise of solar cell, because the minority carrier that thermal excitation produced increases, " secretly " electric current of drift also increases, so can influence its power output.The present invention is provided with by water storage tank in the solar cell electricity generation system, cold water pipe, hot-water line, it is the solar thermal utilization device of the absorber plate of one that the distributive pipe that connects cold water pipe and hot-water line reaches above each distributive pipe with it, because it is to become solar panel on the absorber plate of one that solar panel is installed in distributive pipe, between solar panel and the absorber plate heat-conducting insulated film is arranged, be the effect that the absorber plate of one is born the supporting solar panel on the one hand with distributive pipe, solar radiation can be passed on the absorber plate by heat-conducting insulated film to the heat on the solar cell on the other hand, and promptly heat is passed in the distributive pipe with its one, to flow into hot-water line after the cold water heating in the distributive pipe, enter water storage tank through temperature detect switch (TDS) again, enter water tank again after the temperature that temperature detect switch (TDS) is used for controlling hot water meets or exceeds set temperature.The distributive pipe of described connection cold water pipe and hot-water line and cold water pipe, hot-water line sealing, flexible connection are that the sun changes for solar panel under the drive of sun tracker can make things convenient for freely and then.Solar thermal utilization device in the solar cell electricity generation system of photoelectricity provided by the present invention, photo-thermal comprehensive utilization, adopt high-efficiency heat transfer device to shift out the heat of solar radiation to the solar cell and be used, the temperature of solar cell daylighting face is remained at below 60 ℃, make solar cell be operated in optimum state, when improving the photoelectric conversion efficiency of solar cell, provide life hot water.Realized the comprehensive utilization of photoelectricity, photo-thermal.
Photoelectricity provided by the present invention, the solar cell electricity generation system of photo-thermal comprehensive utilization, when solar energy is transformed into electric energy, constantly shift out the heat of solar cell because of produced by illumination, with these heats supply life hot water that is used, the temperature of the daylighting face of solar cell is remained on below 60 ℃, make solar cell be operated in optimum state, improved the photoelectric conversion efficiency of solar cell, realized photoelectricity simultaneously, the comprehensive utilization of photo-thermal, to generate electricity and the efficiency of utilization stack, improve the whole efficiency of solar cell electricity generation system.Not only reduce cost for solar power generation, and expanded systemic-function.The solar cell electricity generation system of photoelectricity provided by the present invention, photo-thermal comprehensive utilization particularly is fit to do the roof photovoltaic plant, and it has solved the difficult problem of power station, roof building resident hot water service effectively.The use of can being incorporated into the power networks of the solar cell electricity generation system of photoelectricity provided by the present invention, photo-thermal comprehensive utilization also can adopt charge a battery daytime, and powered by battery-driven mode evening.
Description of drawings
The structural representation (vertical view) of the solar cell electricity generation system embodiment one of Fig. 1, photoelectricity provided by the present invention, photo-thermal comprehensive utilization;
Fig. 2 is the generator unit structure chart (stereogram) in embodiment illustrated in fig. 1;
Fig. 3 is cold water pipe in the generator unit shown in Figure 2, hot-water line, distributive pipe connection layout;
Fig. 3-1 distributive pipe activity direction schematic diagram;
Fig. 3-2 is the broken section enlarged drawing of III part among Fig. 3;
Fig. 3-3 is the longitudinal sectional view of solar panel among Fig. 3;
The structure chart of the solar cell electricity generation system embodiment two of Fig. 4 photoelectricity provided by the present invention, photo-thermal comprehensive utilization;
Fig. 4-1 be among Fig. 4 1. the part (worm and wheel engagement) partial enlarged drawing;
Fig. 5 is the operation principle block diagram of follow-up control circuit in the sun tracker in the solar cell electricity generation system of photoelectricity shown in Figure 4, photo-thermal comprehensive utilization;
Fig. 6 is the electrical schematic diagram of follow-up control circuit in the sun tracker in the solar cell electricity generation system of photoelectricity shown in Figure 4, photo-thermal comprehensive utilization;
Figure 7 shows that the structural representation of the solar cell electricity generation system embodiment three of photoelectricity provided by the present invention, photo-thermal comprehensive utilization.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.Figure 1 shows that the structural representation (vertical view) of the solar cell electricity generation system of photoelectricity provided by the present invention, photo-thermal comprehensive utilization.Photoelectricity shown in this figure, the solar cell electricity generation system of photo-thermal comprehensive utilization is made of two generator units, each generator unit is by installing rack 1 and three solar panels 6 that are contained on the installing rack 1, the cylinder Fresnel lens 2 of solar panel 6 tops, cold water pipe 3, hot-water line 4 connects cold water pipe, the distributive pipe 5 of hot-water line constitutes, the cold water pipe of two generator units, hot-water line is connected by connecting tube 4 ' respectively, outermost cold water pipe taps into taps SK1 by cold water inlet 3a, hot-water line enters water storage tank 7 by temperature detect switch (TDS) 8, by water storage tank 7, cold water pipe 3, hot-water line 4, it is the absorber plate (solar panel of one that the distributive pipe 5 that connects cold water pipe and hot-water line reaches on each distributive pipe with it, heat-conducting insulated film, absorber plate constitutes solar panel 6, can only see solar panel 6 among Fig. 1) constituted the solar thermal utilization device.Fig. 2 is a generator unit in embodiment illustrated in fig. 1.3 solar panels 6 are installed on the installing rack 1 of this generator unit, also above solar panel 6, cylinder Fresnel lens 2 has been installed (for ease of seeing clearly with fixed mount 2.1, here cylinder Fresnel lens and the fixing fixed mount used of cylinder Fresnel lens only on a solar panel, have been drawn), the two distance is the focal length of cylinder Fresnel Lenses, and the bar shaped focused spot of cylinder Fresnel Lenses drops on the solar panel of its below.The solar thermal utilization device constitutes with its absorber plate for one by the distributive pipe 5 of water storage tank (omitting among the figure), cold water pipe 3, hot-water line 4, connection cold water pipe and hot-water line and above each distributive pipe.The mechanical transmission mechanism of solar follow-up device is by at the back side of installing rack, form with the trace 9 and the transfer bar 10 of installing rack horizontal direction parallel, the number of transfer bar 10 and solar panel are together, one end of transfer bar 10 is fixed on the distributive pipe at each solar panel back side, its other end and trace flexibly connect, drive the solar panel east-west directions by follow-up control circuit and Electric Machine Control trace 9, transfer bar 10 and follow the tracks of the sun, the luffing angle that the angle of pitch of solar panel can manual adjustments installing rack 1.Referring to Fig. 3, Fig. 3-1 as can be known; The distributive pipe 5 and cold water pipe 3 that connect cold water pipe 3 and hot-water line 4, hot-water line 4 sealings also flexibly connect, Fig. 3-the 2nd, the partial sectional view of active connection place, as seen from the figure: sleeve pipe 11 close-fitting with it arranged at the bottom of distributive pipe 5, cold water pipe is inserted in the distributive pipe end, between the two contact position sleeve pipe and cold water pipe elastic seal ring 12 being housed is pushed down by base 13, it on base 13 needle bearing 16 that is trapped among the cover tube outside by seat ring 14 and ring washer 15, adopt the sealing that uses the same method in the distributive pipe 5 and the contact position of hot-water line 4 and flexibly connect, because the effect of sealing ring and jacket exterior bearing makes distributive pipe and cold water pipe, sealing and distributive pipe can turn round under the drive of trace and transfer bar between the hot-water line.Fig. 3-the 3rd, the longitudinal sectional view of solar panel, as can be seen, solar panel by with distributive pipe be that absorber plate 6.3, heat conductive insulating resin molding 6.2, the solar panel 6.1 of one constitutes, be warming plate 6.4 below the solar panel.The beam condensing unit that constitutes with the cylinder Fresnel lens in this generator unit has improved and has shone intensity of sunlight on the solar cell, make solar panel follow the tracks of the sun by sun tracker, thereby further improved the photoelectric conversion efficiency of solar cell, but because beam condensing unit is assembled the effect of sunlight, sun tracker makes solar panel all the time over against the sun, this also makes the temperature of solar cell daylighting face raise, owing to being installed in distributive pipe 5, solar panel 6.1 becomes solar panel on the absorber plate 6.3 of one, between solar panel 6.1 and the absorber plate 6.3 heat-conducting insulated film 6.2 is arranged, bear the effect of supporting solar cell on the one hand for the absorber plate 6.3 of one with distributive pipe 5, solar radiation can be passed on the absorber plate by heat-conducting insulated film to the heat on the solar cell on the other hand, and promptly heat is passed in the distributive pipe with its one, hot-water line 4 will be flowed into after the cold water heating in the distributive pipe, for preventing that heat from distributing, be provided with warming plate 6.4 below solar panel, the hot water in the hot-water line 4 enters water storage tank 7 through temperature detect switch (TDS) 8 again.The electricity generation system that the generator unit that adopts the photoelectricity shown in the embodiment one, photo-thermal to fully utilize is formed is when being transformed into electric energy with luminous energy, the heat that is produced is used for making cold water heating supply domestic water, the temperature of the daylighting face of solar cell is remained on below 60 ℃, make solar cell can be operated in optimum state, the photoelectric conversion efficiency of system has been improved? 5 times, 45-60 ℃ domestic water can be provided simultaneously.Installing rack 1 among this embodiment, fixedly fixed mount 2.1, the trace 9 of cylinder Fresnel lens 2 usefulness adopt steel to make with transfer bar 10, and amorphous silicon solar cell is pasted on the absorber plate that the employing aluminium sheet makes with 704 silicon rubber.The distributive pipe 5 of cold water pipe 3, hot-water line 4, connection cold water pipe and hot-water line adopts aluminum pipes among this embodiment.Do not adopt identical tracking can make the equal area amorphous silicon solar cell improve 25%～35% energy output as not adorning Fresnel lens in this embodiment, and the solar irradiation more than 60% that will be radiated at solar battery surface is converted into heat and is used, and makes the integral body conversion income of solar energy reach more than 65%.Solar cell adopts amorphous silicon solar cell in the present embodiment, also can adopt monocrystalline silicon, polycrystalline silicon solar cell.
Fig. 4 is the structure chart of the solar cell electricity generation system embodiment two of photoelectricity provided by the present invention, photo-thermal comprehensive utilization, and Fig. 4-1 be the 1. partial enlarged drawing of (worm and wheel engagement) partly among Fig. 4.Photoelectricity in this embodiment, the solar cell electricity generation system of photo-thermal comprehensive utilization is made of a generator unit, the basic structure of this generator unit is identical with generator unit among the embodiment one, different is this photoelectricity, in the generator unit of the solar cell electricity generation system of photo-thermal comprehensive utilization 6 solar panels are arranged, do not establish beam condensing unit, GPS receiver GPS is housed on installing rack, mounted angle transducer SEN1 on solar panel, the mechanical transmission mechanism of this embodiment is by the back side at installing rack, with the worm screw central shaft 9 ' of installing rack horizontal direction parallel and with its on the worm gear 9.2 ' of worm screw 9.1 ' engagement form, described worm gear 9.2 ' is installed in the top of each distributive pipe, on the position between solar panels and the hot-water line, the quantity that described worm screw central shaft 9 ' is gone up worm screw 9.1 ' is identical with worm gear 9.2 ' quantity, the position is corresponding, the worm screw in generator unit on the worm screw trace and be 6 with the worm gear of its engagement.The driving mechanism of sun tracker adopts direct current machine (omitting among the figure) in this system.
Fig. 5 be the follow-up control circuit of controlling and driving mechanism work among the embodiment two the operation principle block diagram as seen from the figure: this follow-up control circuit is made up of GPS receiver, obliquity sensor and single chip circuit, the output signal of GPS receiver, obliquity sensor enters single chip circuit, the work of the output controlling party parallactic angle drive motors of single chip circuit.Be responsible for the navigation message and the temporal information of receiving world locational system satellite transmission by the GPS receiver, obtain the position of receiver as calculated, and to single chip circuit output time information and GPS receiver precision positions information; Single chip circuit calculates each sun position in the horizontal system of coordinates constantly under the control of program, be sun altitude and solar azimuth, obliquity sensor with solar panel towards sending single chip circuit to, single chip circuit under the control of program, calculate solar panel towards with difference over against solar direction, and sending control signal in view of the above, controlling party parallactic angle drive motors is adjusted to position over against the sun through mechanical transmission mechanism with solar panel.Figure 6 shows that the electrical schematic diagram of this follow-up control circuit.This follow-up control circuit is by GPS receiver GPS, obliquity sensor SEN1, single chip circuit is by single-chip microcomputer U1, memory U2, U3 (FLASH, SDRAM) and communication interface circuit U 4 form, GPS receiver GPS, obliquity sensor SEN1 meets single-chip microcomputer U1 by communication interface circuit U 4, the output of single chip circuit U1 is by switching tube Q1, Q2, relay J 1, J2 meets azimuth drive motors M1, the forward of controlling party parallactic angle drive motors M1, antiport, thereby driving worm screw central shaft 9 ' rotates with the worm screw on it 9.1 ', be installed in the top of each distributive pipe and the worm gear 9.2 ' of worm screw 9.1 ' engagement and rotate, drive the solar panel East and West direction and follow the tracks of the sun.Be responsible for reception, computing and output time information and precision positions information by the GPS receiver and give single chip circuit; Single chip circuit calculate each constantly sun in the position that horizontal coordinate are fastened, i.e. elevation angle and azimuth, concerning solar panel, a certain moment sun can be used sun altitude α with respect to its position
sWith solar azimuth γ
sRepresent.They all are defined in horizontal coordinate and fasten.Horizontal system of coordinates regulation observation station O, promptly the solar panel loca is the origin of coordinates, and the vertical direction of horizontal plane is the Z axle, and geographical Due South is an X-axis, and geographical positive east is Y.Sun altitude α
sBe observation station O to the sight line vector of sun S and the angle of local level, span is 0 °～90 °; Solar azimuth γ
sBe this projection of sight line vector on local level and angle of geographical Due South, and the regulation Due South is zero degree, westwards for just, for negative, span is-180 °～+ 180 ° eastwards.
Sun altitude is not only relevant with the geographical position of observation station with solar azimuth, or the function of time.Here the time is represented with solar hour angle ω.The period of change of ω is a diel, and excursion is ± 180 °.Regulation ω=0 at 12 o'clock high noons increased by 15 ° every one hour, and the morning, afternoon was for bearing for just.For example, the morning 10 ω=2 * 15 °=30 °.Sun altitude and solar azimuth can be expressed from the next respectively:
sin?α
s＝sinlsin?δ+cosl?cos?δ?cos?ω
L represents the observation station geographic latitude in the formula, and δ represents solar declination, and ω represents solar hour angle.Be installed on the solar panels obliquity sensor with solar panel towards sending single chip circuit to, the obliquity sensor that is installed on the solar panels adopts double-shaft tilt angle sensor, the angle of pitch of solar panel adopts the angle of inclination of manual adjustments installing rack to solve among this embodiment, single chip circuit under the control of program, calculate solar panel towards sending single chip circuit to difference over against solar direction; Single chip circuit sends control signal, the conducting by control switch pipe Q1 or Q2, ends, and the switching of control relay J1 or J2 drives the solar panel east-west direction and follows the tracks of the sun thereby controlling party parallactic angle drive motors M1 drives the azimuth transmission mechanism.Because the GPS receiver is after finishing initialization, under the state that keeps locking, can transmit a position correction information by the fastest per second, this is enough accurate for following the tracks of the sun, obliquity sensor provides reliable resolution, dynamic response time and accuracy, therefore at photoelectricity provided by the present invention, adopt this tracking system can make solar panel keep following the tracks of the sun in the solar cell electricity generation system of photo-thermal comprehensive utilization, thereby further improved the photoelectric conversion efficiency of solar cell, add by water storage tank, cold water pipe, hot-water line, connect the distributive pipe of cold water pipe and hot-water line and on each distributive pipe, make solar cell can be operated in optimum state with its solar thermal utilization device for the absorber plate formation of one, make the photoelectric conversion efficiency height of system, 45-60 ℃ domestic water can also be provided simultaneously.
Figure 7 shows that the structural representation of the solar cell electricity generation system embodiment three of photoelectricity provided by the present invention, photo-thermal comprehensive utilization.Photoelectricity in this embodiment, the solar cell electricity generation system of photo-thermal comprehensive utilization is made of a generator unit, the basic structure of this generator unit is identical with generator unit among the embodiment one, different is this photoelectricity, in the generator unit of the solar cell electricity generation system of photo-thermal comprehensive utilization 6 solar panels are arranged, drive the solar panel East and West direction among this embodiment in the sun tracker and follow the tracks of the driving mechanism employing liquid cylinder of the sun, GPS receiver GPS is housed on installing rack, mounted angle transducer SEN1 on solar panel, the mechanical transmission mechanism of this embodiment is by the back side at installing rack, form with transfer bar 10 with the trace 9 of installing rack horizontal direction parallel, the number of transfer bar 10 is identical with solar panel, one end of transfer bar 10 is fixed on the distributive pipe 5 at each solar panel 6 back side, its other end and trace flexibly connect, by follow-up control circuit and liquid cylinder control trace 9, transfer bar 10 drives the solar panel east-west directions and follows the tracks of the sun, the luffing angle that the angle of pitch of solar panel can manual adjustments installing rack 1.Follow-up control circuit is made of GPS receiver, obliquity sensor SEN1 and single chip circuit in this embodiment.The circuit of Fig. 6 is basic identical among follow-up control circuit and the embodiment two, relay J 1 that different is, J2 control be the electromagnetically operated valve of liquid cylinder.Be responsible for the navigation message and the temporal information of receiving world locational system satellite transmission by the GPS receiver, obtain the position of receiver as calculated, and to single chip circuit output time information and GPS receiver precision positions information; Single chip circuit calculates each sun position in the horizontal system of coordinates constantly under the control of program, be sun altitude and solar azimuth, obliquity sensor with solar panel towards sending single chip circuit to, single chip circuit under the control of program, calculate solar panel towards with difference over against solar direction, and send control signal in view of the above, conducting by control switch pipe Q1 or Q2, end, control relay J1 or J2's is logical, disconnected, thereby the operating state of the electromagnetically operated valve of control liquid cylinder, the piston rod of liquid cylinder drives trace 9 and transfer bar 10, solar panel 6 East and West directions are followed the tracks of the sun.
Claims (3)
1. photoelectricity, the solar cell electricity generation system of photo-thermal comprehensive utilization, form by Blast Furnace Top Gas Recovery Turbine Unit (TRT) and sun tracker that solar panel and installing rack thereof constitute, described sun tracker is by driving mechanism, the follow-up control circuit of mechanical transmission mechanism and controlling and driving mechanism constitutes, it is characterized in that also having in the system by water storage tank, cold water pipe, hot-water line, connect cold water pipe and the distributive pipe of hot-water line and on each distributive pipe, be the solar thermal utilization device of the absorber plate formation of one with it, it is to become solar panel on the absorber plate of one that solar panel is installed in distributive pipe, between solar panel and the absorber plate heat-conducting insulated film is arranged, the distributive pipe and the cold water pipe of described connection cold water pipe and hot-water line, the hot-water line sealing, flexibly connect, by N piece solar panel and with N the cold water pipe that distributive pipe is connected at the solar panel back side, hot-water line is installed in and constitutes a photoelectricity on the installing rack, the solar cell generator unit of photo-thermal comprehensive utilization, N 〉=1 wherein, this photoelectricity, the solar cell electricity generation system of photo-thermal comprehensive utilization is by more than one photoelectricity, the solar cell generator unit of photo-thermal comprehensive utilization is formed, the cold water pipe of two adjacent generator units communicates, outermost cold water pipe taps into taps, the hot-water line of two adjacent generator units communicates, and the hot-water line of close water storage tank one side connects water tank by temperature detect switch (TDS).
2. the solar cell electricity generation system of photoelectricity according to claim 1, photo-thermal comprehensive utilization, it is characterized in that mechanical transmission mechanism in the described sun tracker by at the back side of installing rack, with the worm screw central shaft of installing rack horizontal direction parallel, dress thereon worm screw and go up the worm gear composition of worm engaging with it, described worm gear is installed in the top of each distributive pipe, on the position between solar panels and the hot-water line, the quantity of worm screw is identical with worm gear quantity on the described worm screw central shaft, the position is corresponding.
3. photoelectricity according to claim 1, the solar cell electricity generation system of photo-thermal comprehensive utilization, the follow-up control circuit that it is characterized in that the controlling and driving mechanism in the described sun tracker is by the GPS receiver, obliquity sensor and single chip circuit are formed, the GPS receiver, the output signal of obliquity sensor enters single chip circuit, the output of single chip circuit is by the work of driving mechanisms control mechanical transmission mechanism, the GPS receiver is installed on the installing rack of solar panel, obliquity sensor is installed on the solar panel, and described driving mechanism is motor or liquid cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810214807XA CN101373941A (en) | 2008-08-28 | 2008-08-28 | Solar cell power generation system using photo-electricity and photo-heat comprehensively |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200810214807XA CN101373941A (en) | 2008-08-28 | 2008-08-28 | Solar cell power generation system using photo-electricity and photo-heat comprehensively |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269998A (en) * | 2011-07-28 | 2011-12-07 | 江阴鼎峰网络通信有限公司 | solar photovoltaic sun tracking control system and control method |
| CN108255204A (en) * | 2018-01-16 | 2018-07-06 | 上海海洋大学 | A kind of buoy and its settled date photovoltaic control method |
| CN111064084A (en) * | 2020-01-13 | 2020-04-24 | 武汉哈撒给科技有限公司 | Energy-saving anti-freezing power distribution cabinet |
-
2008
- 2008-08-28 CN CNA200810214807XA patent/CN101373941A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269998A (en) * | 2011-07-28 | 2011-12-07 | 江阴鼎峰网络通信有限公司 | solar photovoltaic sun tracking control system and control method |
| CN108255204A (en) * | 2018-01-16 | 2018-07-06 | 上海海洋大学 | A kind of buoy and its settled date photovoltaic control method |
| CN111064084A (en) * | 2020-01-13 | 2020-04-24 | 武汉哈撒给科技有限公司 | Energy-saving anti-freezing power distribution cabinet |
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