CN201656850U - Multi-focal resilient disc-type concentrating hybrid PV/thermal solar system - Google Patents
Multi-focal resilient disc-type concentrating hybrid PV/thermal solar system Download PDFInfo
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- CN201656850U CN201656850U CN2010201878468U CN201020187846U CN201656850U CN 201656850 U CN201656850 U CN 201656850U CN 2010201878468 U CN2010201878468 U CN 2010201878468U CN 201020187846 U CN201020187846 U CN 201020187846U CN 201656850 U CN201656850 U CN 201656850U
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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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- 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
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Abstract
The utility model relates to a multi-focal resilient disc-type concentrating hybrid PV/thermal solar system comprising a base, a pillar, and a frame. On the top of the base is disposed a pillar, on the upper part of which is disposed a horizontally rotating tracking unit, on the upper part of which is fixed a vertically rotating tracking unit. On the surface of the frame are dispose a plurality of reflective mirrors with different focal lengths, each of which is disposed a resilient fixer on the lower part. In addition, on the frame is disposed a support of a concentrating power generating chamber, on the top of which is fixed the concentrating power generating chamber. The utility model has the advantages of improving the working conditions of the machine under the conditions of different wind speeds and the generation capacity; enhancing the survival capability under the conditions of typhoons and other strong winds for high rigidity and light weight; preventing the adverse effect of high temperature on the generating capacity and damage of high-density optical flow on the concentrating battery; recovering the waste heat for generating power by using heat energy at lower temperature; serving as production heat source; and improving the environment in the installation location.
Description
Technical field
The utility model relates to dish formula Photospot solar technology, relates in particular to a kind of flexible dish formula Photospot solar electrothermal combined using system of many focal lengths.
Background technology
Disc type solar energy optically focused utilizes scheme, have characteristics such as optically focused multiplying power height, good imaging quality, no cosine loss effect, collection efficiency height from principle, cooperate the generating of concentrating photovoltaic power generation or Stirling external-combustion engine heat, both can make centralized generating field and use, and also can do distributed individual generating user and use; But because existing disc type solar energy condenser system exists many defectives: collection efficiency is descended significantly, and the energy output loss is serious; Resistance is big, crank, and mirror construction is unreasonable, and viability is low when meeting with typhoon or other high wind, and unit is easily overturned breaking-up; The measure of concentrator cell assembly radiating is relatively poor, and the optically focused coefficient can't improve, radiating effect is bad, easy burn burns out the concentrator cell assembly, and waste heat is difficult to collect utilization.More than the problem of Cun Zaiing is only paced up and down in theoretical and a small amount of model machine stage this mode of utilizing the highest to the solar energy utilization ratio, that integrated cost is minimum, promotion prospect is fine of dish formula Photospot solar, can't use on a large scale.
The utility model content
At above defective, the utility model provides a kind of flexible dish formula Photospot solar electrothermal combined using system of many focal lengths, and, wind-force unreasonable with the reflective mirror contour structures that overcomes existing dish formula Photospot solar technology causes that the energy output loss is serious, rack construction is unreasonable, the measure of concentrator cell assembly radiating is relatively poor, waste heat is difficult to collect defectives such as utilization.
For achieving the above object, the utility model is by the following technical solutions:
A kind of flexible dish formula Photospot solar electrothermal combined using system of many focal lengths, comprise base, pillar, frame, base top mounting column, described pillar upper end is installed and is horizontally rotated tracing unit, the described fixed vertical rotary pursuit unit, tracing unit top that horizontally rotates; The frame upper surface is provided with some reflective mirrors with different focal, and the reflective mirror bottom of each focal length connects elastic retainers, fixedly connected concentrating to generate power chamber support on the frame; Cantilever tip fixed installation concentrating to generate power chamber, described concentrating to generate power chamber, the inside cavity in concentrating to generate power chamber is provided with concentrator cell near light inlet window position, bottom side, and the concentrating to generate power top of chamber is installed the sunlight position transducer.
The beneficial effect of the flexible dish formula Photospot solar electrothermal combined using system of many focal lengths described in the utility model is:
(1) reflective mirror of the many focal lengths of employing, the unit air resistance coefficient reduces by 70% when hanging down wind speed, when wind speed is bigger, be installed on the frame each independently reflex reflector lens according to self residing wind speed and wind direction difference, each reflective mirror monomer is done each incorgruous instantaneous elasticity distortion at random, has strengthened instantaneous air-guiding aisle area, and the air resistance coefficient under the high wind can further reduce, effectively improve the working condition of unit under all kinds of wind conditions, significantly improved generating capacity;
(2) adopt planar bilayer truss structure technology, rigidity height, deal be light, by the improvement of mirror construction, can reduce unit and follow the trail of resistance when directed, improved the survival ability of unit when typhoon or other high wind weather;
(3) large-scale unit adopts high velocity jet convective boiling method cooling concentrator cell technology, and the highest conduction heat transfer coefficient can reach 1000W/cm
2, bear on the concentrator cell that can effectively leave up to 50W-100W/cm
2Radiant power, avoid the adverse effect of high temperature to generating capacity;
(4) small-sized unit adopts free-convection boiling method cooling concentrator cell technology, and the capacity of heat transmission is strong, and cost is lower, and the conduction heat transfer coefficient also can reach 130W/cm
2, can avoid the infringement of high density light stream to concentrator cell;
(5) adopt cooling concentrator cell heat recovery technology, the waste heat of recovery can be made low temperature heat energy generating, the thermal source that also can live and produce;
(6) adopt multiple focal length and multi-disc reflex reflector lens in X, Y, the distribution straggly of Z triaxial coordinate space, production performance, security performance and the ecological effect of unit have been taken all factors into consideration, both can guarantee the collecting effect of sunlight, can reduce windage significantly again, also can give full play to unit absorb wind energy, reduce wind speed, cut down direct light according to, reduce water evaporates, improve the biological environment that ground is installed.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of the flexible dish formula Photospot solar electrothermal combined using system of the described many focal lengths of the utility model embodiment;
Fig. 2 is the concentrating to generate power cavity segment structural representation of the flexible dish formula Photospot solar electrothermal combined using system of the described many focal lengths of the utility model embodiment;
Fig. 3 is the heat exchange accumulation of heat pond applying portion schematic diagram of the flexible dish formula Photospot solar electrothermal combined using system of the described many focal lengths of the utility model embodiment;
Fig. 4 is the cooling heat accumulation tank applying portion schematic diagram of the flexible dish formula Photospot solar electrothermal combined using system of the described many focal lengths of the utility model embodiment.
Among the figure:
1, base; 2, pillar; 3, horizontally rotate tracing unit; 4, motor; 5, vertical rotary pursuit unit; 6, heat exchanger; 7, frame; 8, center focal length reflective mirror; 9, interior ring focal length reflective mirror; 10, inferior outer shroud focal length reflective mirror; 11, generating chamber support; 12, concentrating to generate power chamber; 13, heat exchange accumulation of heat pond; 14, elastic retainers; 15, generating output port; 16, coolant entrance; 17, coolant outlet; 18, coolant jet; 19, light inlet window; 20, concentrator cell; 21, position transducer; 22, air velocity transducer; 23, coolant pump; 24, cooling heat accumulation tank.
Embodiment
Shown in Fig. 1-2, the flexible dish formula Photospot solar electrothermal combined using system of the described many focal lengths of the utility model embodiment, comprise base 1, pillar 2, frame 7, concentrating to generate power chamber 12, described base 1 top mounting column 2 is used for being fixed on device body on the ground and bears the weight of device and adjust height, and these pillar 2 upper ends are installed to horizontally rotate tracing unit 3 and drive this unit by motor 4 and horizontally rotated motion so that the position of frame 7 sun-tracing on level angle; Describedly horizontally rotate fixed vertical rotary pursuit unit, tracing unit 3 top 5 and vertically rotatablely moved so that the position of frame 7 sun-tracing on vertical angle by this unit of another motor driven, the control signal of motor is provided by corresponding sensing controler respectively; Described frame 7 is for the planar bilayer truss structure and be fixed on vertical rotary pursuit unit 5 upsides, frame 7 upper surface centers are provided with center focal length reflective mirror 8, these focal length reflective mirror 8 both sides, center are installed ring focal length reflective mirror 9 in respectively, outer shroud focal length reflective mirror 10 is installed in ring focal length reflective mirror 9 outsides respectively one time in two, every kind of focal length reflective mirror bottom connects elastic retainers 14 and also is installed in thus on the frame 7, when the instantaneous increase of wind speed affacts on the reflective mirror, this wind-force is delivered on the reflective mirror elastic retainers 14, elastic retainers 14 is pressed the size of wind-force and different dos each incorgruous instantaneous elasticity distortion at random of wind direction, the power conversion of keeping watch elastic energy is stored in the elastic element, reflective mirror facing the wind cross section and angle have been reduced simultaneously, strengthened instantaneous air-guiding aisle area, make the functional relation trend convergence of windage and wind speed, the air resistance coefficient under the high wind can further reduce; In that wind speed is instantaneous thereafter when weakening, the elastic element of elastic retainers 14 promotes reflective mirror, before overcoming mirror, the air drag behind the mirror resets, the elastic energy major part that previous reflective mirror elastic retainers 14 stores is returned to air, fraction transforms heat and is dissipated on the mechanical part, the buffering and the absorption of 14 pairs of wind-force of elastic retainers have been subdued impact and the destruction of high wind to unit greatly.Though the installation site of each focal length reflective mirror is on same X, Y coordinate plane, but because the focal length difference and the distributing position difference of each reflective mirror, there is big gap in the edge of each adjacent reflective mirror at the Z coordinate direction, generally can reach more than 20 centimetres, this gap provides spacious air-guiding aisle, greatly reduces the windage of reflective mirror; The reflective mirror cambered surface and the frame 7 of ring focal length reflective mirror 9, two outer shroud focal length reflective mirrors 10 are all not parallel in two, and its angle direction is symmetrically distributed with frame 7 central shafts with size, cross the aerodynamic lift of the cambered surface generation of reflective mirror for the air flow stream vertical with frame 7 planes, be symmetrically distributed with frame 7 central shafts, the lift equal and opposite in direction, but direction is opposite, cancels each other, and for frame 7 plane off plumb air-flows, it is quite most of also can both to cancel each other wherein.Described pillar 2 lower ends are air velocity transducer 22 fixedly, to detect wind speed excessive and may jeopardize unit safety the time when this transducer, then send command signal, control motor driven vertical rotary pursuit unit 5 vertically rotatablely moves, and frame 7 is finally stopped on the horizontal level of windage minimum to reach the purpose that high wind is protected; Fixedly connected concentrating to generate power chamber support 11 on the described frame 7, this fixed installation concentrating to generate power chamber, support 11 tops, concentrating to generate power chamber 12, its inside cavity is provided with concentrator cell 20 near light inlet window 19 positions, bottom side, sunlight can be through center focal length reflective mirror 8, interior ring focal length reflective mirror 9,10 reflections of inferior outer shroud focal length reflective mirror, see through light inlet window 19, gather and be radiated on the concentrator cell 20, concentrator cell 20 is the 30%-40% of solar energy an electric power by opto-electronic conversion, and remainder is absorbed by concentrator cell 20 and is converted to heat.Described concentrating to generate power chamber 12 is provided with generating output port 15, the electric power of concentrator cell 20 from the sunlight conversion is transported to outside the cavity in concentrating to generate power chamber 12, sunlight position transducer 21 is installed at these 12 tops, concentrating to generate power chamber, when detecting frame 7, this transducer error is appearred in the tracking of the sun at level angle, to send instruction and horizontally rotate tracing unit 3 by motor 4 drivings, drive frame 7 and on level angle, rotate, eliminate the tracking error on the level angle of the sun; When detecting frame 7, this sunlight position transducer 21 error is appearred in the tracking of the sun at vertical angle, to send instruction by the vertical rotary pursuit of another motor-driven unit 5, drive frame 7 and on vertical angle, rotate, eliminate the tracking error on the vertical angle of the sun; The outside upper and lower both sides in described concentrating to generate power chamber 12 are respectively equipped with coolant outlet 17 and coolant entrance 16, and 12 inboards, described concentrating to generate power chamber are provided with the coolant jet 18 that is communicated with coolant entrance 16; The cooling agent that pumps by coolant pump 25, via coolant entrance 16, surface from coolant jet 18 high velocity jet to concentrator cell 20, to such an extent as to cooling agent is accepted concentrator cell 20 heats intensification boiling, refrigerant evaporates has been taken away a large amount of heats, has cooled off concentrator cell 20, after the coolant vapours bubble leaves concentrator cell 20 surfaces, cooling agent around heat passes to gradually, the coolant vapours cooling liquid becomes liquid again.
As shown in Figure 3-4, the flexible dish formula Photospot solar electrothermal combined using system of the described many focal lengths of the utility model embodiment, cooling agent after concentrator cell 20 heating is sent from coolant outlet 17, to the heat exchanger 6 that is installed in the heat exchange accumulation of heat pond 13, cooling agent and outside heat-storage agent in the heat exchanger 6 carry out heat exchange, coolant temperature reduces behind the heat transferred heat-storage agent, again pump by coolant pump 23 and carry out next one circulation, obtain the heat-storage agent that the heat temperature raises, be stored in the heat exchange accumulation of heat pond 13, the heat of its storage can be done the low temperature heat energy generating, also can live, the thermal source of producing; For small-sized unit, can save coolant jet 18, heat exchanger 6 and coolant pump 23, if adopt cooling heat accumulation tank 24, lower from cooling heat accumulation tank bottom temp, the cooling agent that density is bigger flows directly into concentrating to generate power chamber 12 from coolant entrance 16, flow near the concentrator cell 20, to such an extent as to cooling agent is accepted the heat intensification boiling on concentrator cell 20 surfaces, refrigerant evaporates has been taken away heat, cooled off concentrator cell 20, after the coolant vapours bubble leaves concentrator cell 20 surfaces, cooling agent around heat passes to gradually, the coolant vapours cooling liquid, it is higher to become temperature, the liquid that density is less flows out to cooling heat accumulation tank top from coolant outlet 17, finish a circulation, the thermal source that cooling heat accumulation tank 24 stored heats can be lived and be produced.
Claims (4)
1. the flexible dish formula Photospot solar electrothermal combined using system of focal length more than a kind, comprise base (1), pillar (2), frame (7), base (1) top mounting column (2), it is characterized in that: described pillar (2) upper end is installed and is horizontally rotated tracing unit (3), described tracing unit (3) the fixed vertical rotary pursuit unit, top (5) that horizontally rotates; Frame (7) upper surface is provided with some reflective mirrors with different focal, and the reflective mirror bottom of each focal length connects elastic retainers (14), and frame (7) goes up fixedly connected concentrating to generate power chamber support (11).
2. the flexible dish formula Photospot solar electrothermal combined using system of many focal lengths according to claim 1 is characterized in that: fixed installation concentrating to generate power chamber (12), described concentrating to generate power chamber support (11) top.
3. the flexible dish formula Photospot solar electrothermal combined using system of many focal lengths according to claim 2, it is characterized in that: the inside cavity in described concentrating to generate power chamber (12) is provided with concentrator cell (20) near bottom side light inlet window (19) position.
4. according to the flexible dish formula Photospot solar electrothermal combined using system of claim 2 or 3 described many focal lengths, it is characterized in that: sunlight position transducer (21) is installed at top, described concentrating to generate power chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201878468U CN201656850U (en) | 2010-05-10 | 2010-05-10 | Multi-focal resilient disc-type concentrating hybrid PV/thermal solar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201878468U CN201656850U (en) | 2010-05-10 | 2010-05-10 | Multi-focal resilient disc-type concentrating hybrid PV/thermal solar system |
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| CN201656850U true CN201656850U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201878468U Expired - Fee Related CN201656850U (en) | 2010-05-10 | 2010-05-10 | Multi-focal resilient disc-type concentrating hybrid PV/thermal solar system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140733A1 (en) * | 2010-05-10 | 2011-11-17 | Zhou Jiwu | Multifocus elastic dish type light-focusing solar energy and electrothermal combined system |
| CN102628432A (en) * | 2012-03-30 | 2012-08-08 | 王德恒 | Solar photothermal power generating method and system |
| CN104422154A (en) * | 2013-09-10 | 2015-03-18 | 中国科学院工程热物理研究所 | Disc type solar concentrating system |
-
2010
- 2010-05-10 CN CN2010201878468U patent/CN201656850U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140733A1 (en) * | 2010-05-10 | 2011-11-17 | Zhou Jiwu | Multifocus elastic dish type light-focusing solar energy and electrothermal combined system |
| CN102628432A (en) * | 2012-03-30 | 2012-08-08 | 王德恒 | Solar photothermal power generating method and system |
| CN104422154A (en) * | 2013-09-10 | 2015-03-18 | 中国科学院工程热物理研究所 | Disc type solar concentrating system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130510 |