CN202545148U - Solar focusing thermal power generation system with fixed point arrays - Google Patents
Solar focusing thermal power generation system with fixed point arrays Download PDFInfo
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- CN202545148U CN202545148U CN2012201012394U CN201220101239U CN202545148U CN 202545148 U CN202545148 U CN 202545148U CN 2012201012394 U CN2012201012394 U CN 2012201012394U CN 201220101239 U CN201220101239 U CN 201220101239U CN 202545148 U CN202545148 U CN 202545148U
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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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Abstract
The utility model relates to focusing utilization of solar energy. Solar collection is realized by adopting solar mirrors with point focusing and is applied to a solar focusing thermal power generation system with fixed point arrays. The solar focusing thermal power generation system comprises at least one solar mirror or a group of solar mirrors with point focusing, at least one solar photothermal conversion device and a tracking control device, wherein the solar mirrors are arranged on solar mirror supports; the solar photothermal conversion device(s) is/are arranged in focused point-shaped areas of the solar mirrors; focal lengths are changed in the process of tracking solar energy by the solar mirrors so as to ensure that the focal lengths are always positioned in the point-shaped areas of the solar photothermal conversion device(s); the tracking control device controls the solar mirrors to focus sunlight to the at least one solar photothermal conversion device when the sunlight changes; and the solar photothermal conversion device(s) does/do not move together with the solar mirrors in the process of tracking solar energy by the solar mirrors, so that the solar photothermal conversion device(s) is/are motionless relative to the ground; and therefore, the tracking, the focusing and the utilization of the solar energy are realized.
Description
Technical field
The utility model relates to the solar energy utilization, particularly adopts the solar energy mirror of point focusing to realize solar energy acquisition, adopts the transducer of point focusing to realize that the focus tracking of solar energy focuses on heat generating system, and the focusing heat generating that relates to solar energy utilizes.
Background technique
The solar focusing heat generating system is to adopt the solar focusing tracking technique to realize the elevated temperature heat collection of solar energy, is that the solar energy of electric energy utilizes mode through generator set with thermal power transfer again.The generating of traditional solar focusing heat is divided into three kinds of slot type, tower, dish formulas.
Solar energy point focusing utilization technology mainly is two kinds of tower and butterflies, and dish formula system adopts solar energy mirror to focus on the solar energy optical-thermal conversion equipment.Dish formula system is considered to most effective acquisition system; Owing to adopt point focusing, thereby can very easily realize the collection of high temperature, but owing to need to adopt Stirling and generate electricity; And stirling generator and the expensive and international restriction of existence thereof, thereby limited its utilization.
Tower system is as heliostat with a solar energy mirror; A plurality of solar energy reflection mirrors are focused on a solar focusing heat generating system on the solar energy optical-thermal conversion equipment, because the characteristic that tower type solar is gathered makes be merely 4-6 hour its time of utilizing in tracking solar procedure division solar energy mirror; Solar energy mirror like the tower east side can't be utilized in the last period of the day from 11 a.m. to 1 p.m basically; Have only to noon or just can utilize in the afternoon down, thereby solar energy acquisition efficient is low, this technological scheme can realize the collection of high temperature; But it is larger usually, is not suitable for small-sized or domestic system.
The utility model people follows the tracks of to utilize at 2006100203529 optics of solar energy mirrors and has announced cross in device and the array thereof and zoom tracking systems two kinds of structures of dish-type; But this structure should belong to the combination of or one group of solar energy mirror and a solar energy optical-thermal conversion equipment, also still is limited to cross simultaneously and two kinds of structures of dish-type can not adapt to more needs.
The solar focusing heat generating system of the point focusing of other types belongs to same one or one group of solar energy mirror and is provided with a solar energy optical-thermal conversion equipment.
Summary of the invention
The purpose of the utility model just provides a kind of immovable point array solar and focuses on heat generating system; Adopt solar energy mirror to gather focus and become various optics of solar energy mirrors a little; The solar energy optical-thermal conversion equipment is set in the zone of focus, and the solar energy optical-thermal conversion equipment is not followed solar energy mirror and is moved together, in solar energy mirror tracking solar process; Its focal length changes, thereby is called the zoom tracking; Follow-up control apparatus control solar energy mirror when sunlight changes with solar light focusing at least one solar energy optical-thermal conversion equipment; Solar energy tracking process in every day focuses on two solar energy optical-thermal conversion equipments at least; Realize the economic utilization of solar energy; In following the tracks of the process of the sun, keep its focal length to be in the zone of the point of solar energy optical-thermal conversion equipment all the time; The solar energy optical-thermal conversion equipment is arranged on around the solar energy mirror, in solar energy mirror tracking solar process, does not follow solar energy mirror and moves; Generator set is connected with at least one solar energy optical-thermal conversion equipment, and perhaps a plurality of solar energy optical-thermal conversion equipments interconnect the back and are connected with generator set; Solar energy mirror is provided with follow-up control apparatus, and solar energy mirror is arranged on the solar bracket, the high temperature highly effective gathering and the utilization that realize.Since adopt the solar focusing heat generating system of point focusing, simultaneously, the technology that adopts zoom to follow the tracks of, thereby be called zoom immovable point array solar focusing heat generating system.
The utility model adopts at least one or one group of solar energy mirror to constitute whole tracking with at least two solar energy optical-thermal conversion equipments and focuses on heat generating system; With at least one the perhaps focusing of one group of solar energy mirror optimum between a plurality of solar energy optical-thermal conversion equipments; Thereby realized improving the tracking efficient of existing solar tracking system; Reduced the cost of tracking system; Overcome existing tower type solar like this and focused on low shortcoming of heat generating system solar energy acquisition time,, realized the raising that utilizes time and efficient existing solar energy mirror through the technological method of a plurality of solar energy optical-thermal conversion equipments is set; Make the system of point focusing can carry out the requirement of the suitable different scale of distributed, miniaturization, also be suitable for large scale system simultaneously.
Concrete summary of the invention is following:
A kind of immovable point array solar focuses on heat generating system; Comprise solar energy optical-thermal conversion equipment (1), generator set, can gather optical frames (2), the solar bracket device (4) of support solar mirror, power supplying apparatus, the power transmission of solar energy; And electronic control system, it is characterized in that: at least one is solar energy mirror and at least two solar energy optical-thermal conversion equipments of one group of point focusing perhaps; The solar energy optical-thermal conversion equipment is arranged in the zone of the point-like that solar energy mirror focuses on, and is arranged on the top or the below of solar energy mirror, and the solar energy optical-thermal conversion equipment is arranged on the solar energy optical-thermal conversion equipment support (12); Generator set is connected with at least one solar energy optical-thermal conversion equipment, and perhaps a plurality of solar energy optical-thermal conversion equipments interconnect the back and are connected with generator set; Solar energy mirror is arranged on the solar energy mirror support; The solar energy mirror support is or/and solar energy mirror is provided with follow-up control apparatus; Follow-up control apparatus control solar energy mirror when sunlight changes with solar light focusing at least one solar energy optical-thermal conversion equipment; Solar energy tracking process in every day focuses on two solar energy optical-thermal conversion equipments at least; Solar energy optical-thermal conversion equipment and solar energy mirror are moved not together in sun glasses tracking solar process, and it is static relatively that solar energy optical-thermal conversion equipment and ground keep, and realize that the tracking of solar energy focuses on the heat generating.
A plurality of solar energy mirror or many group solar energy mirror in the tracking solar process with solar light focusing at least one solar energy optical-thermal conversion equipment; Solar energy tracking process in every day; Have at least one or one group of solar energy mirror to focus at least two solar energy optical-thermal conversion equipments, the solar energy optical-thermal conversion equipment of the solar energy utilization ratio that each or every group of solar energy mirror are selected to reach the highest focuses on.
The solar focusing heat generating system of forming by a plurality of solar energy mirror and a plurality of solar energy optical-thermal conversion equipment; A plurality of solar energy mirror are carried out optimum focusing according to solar energy acquisition efficient; Each solar energy mirror can be according to the principle chosen distance of solar energy acquisition efficient recently or the principle of optimum solar energy optical-thermal conversion equipment, optimum focuses on selection.This this selection can be that a plurality of solar energy mirror consist of one group of solar energy mirror, and a common solar energy optical-thermal conversion equipment selecting optimum is realized the collection and the utilization of solar energy.Can there be solar energy mirror in tracing process, to focus on a solar energy optical-thermal conversion equipment in a plurality of sun glassess; But have at least one or one group to focus on plural solar energy optical-thermal conversion equipment, perhaps focus on a plurality of solar energy optical-thermal conversion equipments as required.
Said solar energy mirror support is made up of connected element and at least one rotating shaft and the supporting element that is connected with ground or installation position; Form the solar energy acquisition system by at least one or one group of solar energy mirror with the solar energy mirror support, the selection of solar energy acquisition system is following at least a kind of:
A, each solar energy mirror are provided with two rotating shafts, and one is called transverse axis another is called the longitudinal axis, and the transverse axis and the longitudinal axis intersect each other, comprise into 90 degree angles, and solar energy mirror connects to form the solar energy acquisition system with the solar energy mirror support that contains this rotating shaft;
B, each solar energy mirror are connected with two rotating shafts respectively; One is called transverse axis another is called the longitudinal axis; The transverse axis and the longitudinal axis do not intersect each other; On rotating shaft and the solar energy mirror or the solar energy mirror frame be connected to become the longitudinal axis, another one be connected to become transverse axis with solar energy mirror again after connected element is connected, solar energy mirror and the solar bracket that contains the transverse axis and the longitudinal axis connect to form the solar energy acquisition system;
C, a plurality of solar energy mirror are connected on each other forms a series on the connected element; Solar energy mirror on each series is connected with a rotating shaft, and this axle becomes the longitudinal axis, and a plurality of series are parallel with one another to be connected on a connected element and with the another one rotating shaft; This axle becomes transverse axis; Transverse axis intersects with the longitudinal axis each other, comprises into 90 degree, and solar energy mirror connects to form the solar energy acquisition system with the solar bracket that contains the transverse axis and the longitudinal axis;
D, a plurality of solar energy mirror are connected on each other forms a series on the connected element; Solar energy mirror on each series all is connected with a rotating shaft; This axle becomes the longitudinal axis, and a plurality of series are parallel with one another to be connected on a connected element and with the another one rotating shaft, and this axle becomes transverse axis; Transverse axis with and the longitudinal axis does not intersect each other, solar energy mirror and the solar bracket that contains the transverse axis and the longitudinal axis connect to form the solar energy acquisition system;
E, by the solar energy mirror of the solar energy mirror of a point focusing or one group of point focusing, contain solar bracket parallel with earth's axis or that form less than the rotating shaft of 90 degree angles and be connected with one.
Owing to adopted a plurality of solar energy optical-thermal conversion equipments; Thereby can realize the collection of optimum solar energy mirror; Solar energy mirror can select suitable solar energy optical-thermal conversion equipment to focus on as required; Simultaneously owing to adopted a plurality of solar energy optical-thermal conversion equipments, thereby can choose optimum solar energy optical-thermal conversion equipment and focus on, reduce the cost of solar energy tracking like this.
In order to realize optimum tracking, connected element or rotating shaft can be adopted the different geometric shape, so that the tracking of solar energy mirror is suitable for different solar energy optical-thermal conversion equipments, but connected element or rotating shaft geometrical shape are selected from following at least a:
A, linear cylinder, cylinder is provided with a plurality of solar energy mirror, and preferred straight line is parallel with earth's axis;
B, be one or more of curve, parabolic shape, compound parabolic line style, hyperbolic parabola type;
C, be one or more of circle, polygonal, arc, rectangle.
Each rotating shaft be provided with an integrated follow-up control apparatus perhaps/adopt complete follow-up control apparatus to realize tracking Control with a plurality of rotating shafts are common to solar energy, follow-up control apparatus is made up of integrated follow-up control apparatus and/or complete follow-up control apparatus.
Follow-up control apparatus is made up of integrated follow-up control apparatus and/or complete follow-up control apparatus.
Said integrated follow-up control apparatus provides parts, power transmission component, computer controlled member made to consist of an integrated device by power; Integrated device is arranged on the solar energy mirror support and with rotating shaft and is connected; The electronic sensor device is arranged on the solar energy mirror; Each rotating shaft is provided with an integrated follow-up control apparatus; The electronic sensor device is sent to control signal on the computer controlled member made in the integrated device, is realized each solar energy mirror tracking Control by the rotation of integrated control device through a rotating shaft of control;
Said complete follow-up control apparatus provides parts, power transmission component, electronic sensor parts, computer controlled member made to form by power; The electronic sensor device is arranged on the solar energy mirror; Power transmission component is connected with rotating shaft; Power transmission component is arranged on the solar energy mirror support; Power provides parts and computer controlled member made to be arranged on and perhaps follows the tracks of on the solar energy mirror support on support or the ground, ground, and the electronic sensor device transmits computer controlled member made with control signal, and the control power transmission component provides power to send rotating shaft to through power transmission component; The control of realization countershaft drives the solar energy mirror that is arranged in the rotating shaft simultaneously and follows the tracks of, and a plurality of sun glassess and rotating shaft are common adopts complete follow-up control apparatus to realize the tracking Control to solar energy;
Said electronic sensor parts adopt the sensor of optics or electronics; With optical signalling, physical geographical position signal, electronic sensor signal or its combination; Software in single-chip machine or computer calculates; Realization is to the tracking of solar energy and the driving of solar energy mirror; Optical signalling, physical geographical position signal, electronic sensor signal or its combination are arranged on the solar energy mirror or on every side and with computer controlled member made and link to each other, and computer controlled member made provides parts to link to each other with power, and power provides parts to be connected with power transmission component.
Described power provides parts, be selected from following one of at least:
A, Mechanical Driven device;
B, phase transformation drive unit adopt the material be enclosed in a space, along with the increase of temperature makes the increase of its pressure, promote motion, realize following the tracks of;
C, utilize electric energy to drive motor or hydraulic pressure installation to drive power transmission mechanism (10) and realize following the tracks of;
D, utilize gas pressure that the device of power is provided.
Described power transmission component be arranged on connected element or with supporting part on, and be connected with power supplying apparatus, power transmission component select from following one or more: gear mechanism (10), link chain mechanism, turbine and worm mechanism, linkage.
The solar energy mirror of any point focusing all is useful on the solar energy acquisition of the utility model patent, and the optical frames of solar energy point focusing is selected from following a kind of or its combination:
The lens of A, point focusing comprise the lens that glass, Fresnel, nonmetal or nonmetal film or thin mirror are formed;
The reflector of B, point focusing comprises the lens that glass, Fresnel, nonmetal or nonmetal film or thin mirror are formed;
C, compound curved surface point focusing mirror comprise compound parabolic, compound hyperbolic parabola mirror;
D, by one group of solar energy mirror forming by a plurality of plane mirrors or curved mirror, every group of solar energy mirror has the focus of a point focusing.
Because what focus on is the zone of a point; Can any solar energy optical-thermal conversion equipment be arranged in this zone; Even can the solar energy optical-thermal conversion equipment be arranged on the focal line zone with the equipment of generator set, in the focal range of focal line and solar energy mirror, the solar energy optical-thermal conversion equipment can be set; According to requirements such as temperature and spaces, can select any scope that is not more than focal length that the solar energy optical-thermal conversion equipment is set.
In the tracing process of carrying out to solar energy; The error that possibly occur following the tracks of; Perhaps the sunlight of part is owing to reasons such as scatterings; Be in the zone outside the solar energy optical-thermal conversion equipment through sunlight behind the primary optics of solar energy mirror linear focusing,, adopted secondary focusing in order to reduce the loss of this part; The solar energy mirror of a secondary focusing promptly is set on the solar energy optical-thermal conversion equipment, with the solar energy of a focused lost through after the secondary focusing solar energy being focused on the solar energy optical-thermal conversion equipment.
Can the secondary focusing optical frames be arranged on the solar energy optical-thermal conversion equipment; Solar energy mirror with once focusing on is rotated; So once the solar energy mirror with secondary focusing can adopt same tracking equipment and driving arrangement to realize the secondary focusing to solar energy, has improved the efficient that solar energy utilizes.
After the heat energy that a plurality of solar energy optical-thermal conversion equipments are produced carried out mutual heat exchange, it was the equipment of electric energy with thermal power transfer that heat energy is flowed at least one, realizes the generating utilization of solar energy.
Also be provided with at least one thermal accumulator; Be connected in a plurality of solar energy optical-thermal conversion equipments and the thermal accumulator, thermal accumulator is connected with generator set, and the solar energy optical-thermal conversion equipment is a heat energy with conversion of solar energy; Thermal accumulator stores heat energy, and the heat energy that the generator set utilization stores is realized generating.
The scheme that the utility model is selected is to realize the utility model purpose part preferred version, and any scheme and technology, product that meets the principle of the utility model all is the protection domain of the utility model.
The advantage of this kind tracking system is:
1, adopt the tracking of the solar energy of the utility model announcement to focus on heat generating system; Given full play to tower advantage of gathering, adopted the zoom tracking technique simultaneously, realized utilizing cheaply with the dish formula; Thereby combined dish formula, tower advantage, thereby economic utilization cheaply.
2, can realize the large-scale utilization efficiently of different solar products so that realize the utilization of the solar energy of array; Both can small-scale family enterprise use, also can carry out large-scale solar electrical energy generation utilization.
3, the utility model can be realized multiple solar energy utilization; Comprise application to heavy weight equipment; The load-carrying that has overcome existing dish formula system is little, poor reliability, the shortcoming that is of limited application, has expanded technology and scope that disc type solar energy utilizes greatly.
4, the tracking with existing dish formula system effectively separates with conversion; Changed the shortcoming that existing dish formula system focuses tracking, in the process of solar energy tracking, it is different that the solar energy optical-thermal conversion equipment keeps; Thereby changed the shortcoming that necessary employing Stirling-electric hybrid generates electricity; Thereby can make dish formula acquisition system, the advantage that performance is maximum is owing to adopt static relatively solar energy converting to utilize design of plant; Thereby can make the point focusing system possess multiple application, dish formula application and mode are provided greatly.
This acquisition system has improved the acquisition time and the efficient of tower type solar mirror, adopts single shaft to follow the utilization of realization to the point focusing solar energy system simultaneously.
Description of drawings
Fig. 1: the solar energy acquisition figure in three solar energy optical-thermal conversion equipments of four solar energy mirror mornings;
Fig. 2: three solar energy optical-thermal conversion equipments of four solar energy mirror midday sun can be gathered figure;
Fig. 3: the solar energy acquisition figure in three solar energy optical-thermal conversion equipments of four solar energy mirror afternoons;
Fig. 4: 6 solar energy optical-thermal conversion equipments of 12 solar energy mirror solar energy acquisition figure;
Fig. 5: 1*3 immovable point array solar is followed the tracks of and is focused on heat generating system;
Fig. 6: 2*2 immovable point array tracking focuses on heat generating system;
Fig. 7: 2*4 Fresnel lens immovable point array tracking focuses on heat generating system;
Fig. 8: 2*2*4 immovable point array tracking focuses on heat generating system.
The concrete implication of label in the accompanying drawing is following:
1: solar energy optical-thermal conversion equipment (point focusing zone), 2: point focusing solar energy mirror, 3: the secondary reflection mirror; 4: solar energy mirror support, 5: integrated follow-up control apparatus, 6: power supplying apparatus (motor); 7: power transmission, 8: electric control device, 9: the sun; 10: generator set, 11: thermal accumulator; 12: solar energy optical-thermal conversion equipment support, 13: solar energy mirror transverse axis, 14: the solar energy mirror longitudinal axis, 15: solar energy mirror system axle, 16: connected element, 17: linking mechanism.
Embodiment
The immovable point array solar that 3 solar energy optical-thermal conversion equipments of one: 4 solar energy mirror of embodiment are formed focuses on heat generating system
Focus on heat generating system like accompanying drawing 1,2, the immovable point array solar of being made up of 3 solar energy optical-thermal conversion equipments of 4 solar energy mirror shown in 3, Fig. 1,2,3 is respectively at the solar energy acquisition in the morning, noon, afternoon and utilizes situation, the morning among Fig. 1; The sun is risen by east, and 1,2; No. 3 solar energy mirror respectively with solar focusing in 1; On 2, No. 3 solar energy optical-thermal conversion equipments, realize that the tracking of solar energy focuses on; Fig. 2 is noon, and the sun is positioned at the sky middle section, 1, No. 4 solar energy mirror respectively with solar focusing on 1, No. 3 solar energy optical-thermal conversion equipment, 2, No. 3 sun glassess focus on No. 2 solar energy and stay on the equipment, realize that the tracking of solar energy focuses on; Fig. 3 is afternoon, and the sun is positioned at west landing, 1,2, No. 3 solar energy mirror respectively with solar focusing in 2,3, on No. 4 solar energy optical-thermal conversion equipments, realize that the tracking of solar energy focuses on.Four solar energy mirror focus on respectively on three different solar energy optical-thermal conversion equipments, wherein No. 1 solar energy mirror utilization ratio be the morning to noon, No. 4 solar energy mirror utilizes the time to be noon and afternoon, 2; 3 solar energy mirror utilize the time to be whole day, have improved the time of utilizing of 2, No. 3 solar energy mirror like this; Because 2, No. 3 mirrors can focus on 2, No. 3 solar energy optical-thermal conversion equipments as required; Thereby in one day tracing process, can preferred 2, No. 3 solar energy optical-thermal conversion equipments; With the solar energy utilization ratio is target, optimum choose 2, No. 3 and utilizes equipment; The solar energy acquisition efficient that obtains according to reality focuses on solar energy mirror on 2, No. 3 solar energy optical-thermal conversion equipments.
On each solar energy optical-thermal conversion equipment, be connected with a generator set, generator set directly converts the heat energy of solar energy thermal conversion into electric energy.
The immovable point array solar that 6 solar energy optical-thermal conversion equipments of two: 12 solar energy mirror of embodiment are formed focuses on heat generating system
The present embodiment immovable point array solar of being made up of 6 solar energy optical-thermal conversion equipments of 12 solar energy mirror as shown in Figure 4 focuses on heat generating system; 12 solar energy mirror divide the array that is listed as according to triplex row four to arrange; 6 solar energy optical-thermal conversion equipments arrange that according to the array of 3 row, 2 row the solar energy optical-thermal conversion equipment is separately positioned on the zone line of triplex row solar energy mirror.
In the morning, noon, afternoon different time section, the 1-12 solar energy mirror can select 1-6 number different solar energy optical-thermal conversion equipment to focus on, and according to the solar energy acquisition efficient that reality obtains, selects different focus points to focus on; Be in the 1-12 solar energy mirror of diverse location, the also difference of the selection of the solar energy optical-thermal conversion equipment that can focus on is for being in 1,5 of both sides; 9,4,8, No. 12 solar energy mirror; Can there be 2 solar energy optical-thermal conversion equipments can select to focus on, for being in 2,3,10 of centre, both sides; No. 11 solar energy mirror can select three solar energy optical-thermal conversion equipments and performance to focus on, and are in 6, No. 7 solar energy mirror of middle section; Can select 1-6 number totally six solar energy optical-thermal conversion equipments focus on, thereby each solar energy mirror according to the difference of its position, can select 2 respectively; 3,6 solar energy optical-thermal conversion equipments are realized the focusing utilization of solar energy.
The utility model immovable point array acquisition system; Each solar energy mirror can realize different focusing according to the preferred different solar energy optical-thermal conversion equipment of situation about focusing on; Improved the utilization ratio of solar energy mirror so greatly; Reduce the cost of solar energy mirror, increased system reliability.
1,2, No. 3 solar energy optical-thermal conversion equipment is connected; After be connected on the generator set; Equally 4,5, No. 6 solar energy optical-thermal conversion equipments are connected, after be connected on the another one generator set, realize directly converting the heat energy of solar energy thermal conversion into electric energy.
Embodiment three: 1*3 parabola immovable point array solar is followed the tracks of and is focused on heat generating system
Shown in accompanying drawing 5, the present embodiment example adopts three parabola disc type solar energy mirrors (2), is arranged on the parabolic shape connected element; On each solar energy mirror, all be provided with two rotating shafts, i.e. the transverse axis and the longitudinal axis, system's axle is formed in the mutual square crossing of the said transverse axis and the longitudinal axis; Each solar energy mirror is connected with the parabolic shape connected element through system's axle; This embodiment is three solar energy mirror supports that the supporting element that is arranged on the system's axle on the connected element and is connected with ground constitutes, and connected element does not move, and three system's axle motions; The setting of solar energy tracking control gear and each system's axle interconnect; On each solar energy mirror (2), physics and optical sensor are set, the integrated electronic control gear that the solar energy tracking control gear is made up of motor, driving gear and electronic control part adopts the complementary tracking system of physics and optical tracking; Realization is to the tracking of solar energy; In the process of the sun comes up in the east west landing, three dish formula acquisition systems are accomplished the tracking to solar energy system through the control of solar tracking system; Each solar energy mirror is moved around each system's axle, and the solar energy optical-thermal conversion equipment is arranged in the zone of focus of point focusing.The solar energy optical-thermal conversion equipment is connected with ground, and in the solar energy movement process, the solar energy optical-thermal conversion equipment is in all the time and keeps static relatively on the position of focus.
A generator set is connected with the solar energy optical-thermal conversion equipment, directly converts the heat energy of solar energy thermal conversion into electric energy.
Embodiment four: 2*2 array compound parabolic immovable point array solar is followed the tracks of and is focused on heat generating system
Shown in accompanying drawing 6, present embodiment is through the collection of the compound parabolic disc type solar energy mirror realization solar energy of 2*2 array, and each solar energy mirror is connected with straight line type transverse axis (13) through a straight line type connected element (16); Solar energy mirror be connected with transverse axis again after connected element is connected, four solar energy mirror are arranged on the straight line cylinder transverse axis (13), four solar energy mirror are separately positioned on the two ends of transverse axis; Be symmetric configuration, transverse axis is parallel with earth's axis, and each solar energy mirror is provided with a longitudinal axis; The longitudinal axis of two solar energy mirror on the left side and the angle of transverse axis are 30 degree; The longitudinal axis of two solar energy mirror on the right side and the angle of transverse axis are 60 degree, and each solar energy mirror and the longitudinal axis interconnect, and setting is by a power supplying apparatus and power transmission, the integrated follow-up control apparatus of electric control device on transverse axis; On each longitudinal axis, be provided with by a power supplying apparatus and power transmission, the integrated follow-up control apparatus of electric control device; Each solar energy mirror is provided with optical sensor and physical sensors, and optical sensor on each sun glasses and physical sensors are transferred to electric control device with the signal of gathering, and electric control device sends signal according to software program and gives five power supplying apparatus; Realize driving through power transmission to five axles; Realize solar energy tracking control (5), this embodiment is by a transverse axis and four solar brackets that the longitudinal axis is formed, and transverse axis does not intersect with the longitudinal axis each other; Five axles all are separate operations; Solar energy optical-thermal conversion equipment (1) is arranged on the top of solar energy mirror array, and small-sized ORC circuit generator set and solar energy optical-thermal conversion equipment interconnect, and has realized the heat generating of solar energy; At the solar energy focus area, be provided with secondary focusing device (3).
Five: 9 Fresnel mirrors of embodiment immovable point array solar is followed the tracks of and is focused on heat generating system
Shown in accompanying drawing 7,9 Fresnel mirrors are arranged on the connected element of a rectangular hexahedron, and the top is provided with 6; The side is provided with 2, and rear side is provided with one, and top and sidepiece are diaphotoscope; Rear side is a reflector, and connected element is a hexahedron, and the connected element rotating shaft (13) parallel with rotation of the earth connects; Each Fresnel mirror is provided with electronic control sensor device (8), through follow-up control apparatus the control to solar energy is set, and rotating shaft is provided with integrated electric control device; Sensor through being arranged on each Fresnel mirror provides signal to integrated manipulator, realizes the tracking Control to solar energy mirror.The follow-up control apparatus of rotating shaft is provided with linking mechanism (17), realizes in the control procedure of countershaft in tracking Control mechanism, utilizes linking mechanism directly to control the Fresnel mirror that rear side is provided with.Present embodiment is parallel with a rotation of the earth axle and the solar bracket of a linking mechanism composition, its connected element be shaped as hexahedron.Solar energy optical-thermal conversion equipment and a solar cogeneration generator set interconnect each other, and be arranged on the Fresnel mirror below, sunlight (9) scioptics focus on the solar energy optical-thermal conversion equipment, have realized the utilization of solar energy.The solar energy optical-thermal conversion equipment has a solar energy optical-thermal conversion equipment stent support, in the process of Fresnel mirror tracking solar, remains with ground static relatively.
Embodiment six: 2*2*4 array immovable point array solar is followed the tracks of and is focused on heat generating system
As shown in Figure 8, present embodiment adopts 16 solar energy mirror, carries out alignment placement according to two rows; Every row adopts the structure of 2*4; In last row's 2*4 structure, adopt 8 reflectors that solar energy mirror is a point focusing, per 4 reflectors are connected on each other forms a series on the straight line cylinder connected element, and two series are connected with a movable transverse axis through described straight line cylinder connected element; On each reflector, also be provided with a longitudinal axis; Each longitudinal axis is vertical with transverse axis but do not intersect each other, and transverse axis is provided with tracking and driving system, and each longitudinal axis is provided with integrated tracking Control device.Each Fresnel mirror is provided with sensor; Signal is offered electronic control part; Electronic control part provides control signal to the power of a transverse axis and 8 longitudinal axis parts to be provided, and power provides parts to provide power to power transmission component, and the electronic control part setting on the ground; Power provides parts, power transmission component to be arranged on the solar energy mirror support; Power transmission component is connected with the longitudinal axis with transverse axis, realizes the tracking to solar energy, solar energy is reflexed to solar energy utilize on the parts; This part is formed solar bracket by a transverse axis and eight longitudinal axis, and the transverse axis and the longitudinal axis are not in contact with one another intersection.
8 solar energy mirror that adopt are parabolic reflector in the 2*4 structure of arranging down; Parabolic reflector for the ultra-thin glass manufacturing; Per 4 reflectors are connected on a parabolic shape connected element (16) each other and go up series of composition, and two series are connected with a rotating shaft through described parabolic shape connected element, and said rotating shaft and earth's axis angle are 5 degree; Rotating shaft is provided with tracking control system; Physics and optical sensor are installed on each reflector, and sensor provides the follow-up control apparatus of signal to transverse axis, realizes the tracking to solar energy.This part only is provided with a rotating shaft.Utilize the parabolic shape connected element simultaneously, per 4 solar energy mirror are consisted of a grooved tracking system.Thereby can adopt single rotating shaft to realize tracking to solar energy.
The solar energy optical-thermal conversion equipment is a trapezoidal hot pipe solar photothermal conversion device of black matrix, realizes the solar energy acquisition of high temperature.The heat energy of gathering sends to through pipeline and is arranged on the ground thermal accumulator, and thermal accumulator is connected with generator set, is electric energy with thermal power transfer.
Claims (9)
1. an immovable point array solar focuses on heat generating system; Comprise solar energy optical-thermal conversion equipment (1), generator set, can gather optical frames (2), the solar bracket device (4) of support solar mirror, power supplying apparatus, the power transmission of solar energy; And electronic control system, it is characterized in that: at least one is solar energy mirror and at least two solar energy optical-thermal conversion equipments of one group of point focusing perhaps; The solar energy optical-thermal conversion equipment is arranged in the zone of the point-like that solar energy mirror focuses on, and is arranged on the top or the below of solar energy mirror, and the solar energy optical-thermal conversion equipment is arranged on the solar energy optical-thermal conversion equipment support (12); Generator set is connected with at least one solar energy optical-thermal conversion equipment, and perhaps a plurality of solar energy optical-thermal conversion equipments interconnect the back and are connected with generator set; Solar energy mirror is arranged on the solar energy mirror support; The solar energy mirror support is or/and solar energy mirror is provided with follow-up control apparatus; Follow-up control apparatus control solar energy mirror when sunlight changes with solar light focusing at least one solar energy optical-thermal conversion equipment; Solar energy tracking process in every day focuses on two solar energy optical-thermal conversion equipments at least; Solar energy optical-thermal conversion equipment and solar energy mirror are moved not together in sun glasses tracking solar process, and it is static relatively that solar energy optical-thermal conversion equipment and ground keep, and realize that the tracking of solar energy focuses on the heat generating.
2. a kind of immovable point array solar according to claim 1 focuses on heat generating system; It is characterized in that: a plurality of solar energy mirror or many group solar energy mirror in the tracking solar process with solar light focusing at least one solar energy optical-thermal conversion equipment; Solar energy tracking process in every day; Have at least one or one group of solar energy mirror to focus at least two solar energy optical-thermal conversion equipments, the solar energy optical-thermal conversion equipment of the solar energy utilization ratio that each or every group of solar energy mirror are selected to reach the highest focuses on.
3. a kind of immovable point array solar according to claim 1 focuses on heat generating system; It is characterized in that: said solar energy mirror support is made up of connected element and at least one rotating shaft and the supporting element that is connected with ground or installation position; Form the solar energy acquisition system by at least one or one group of solar energy mirror with the solar energy mirror support, the selection of solar energy acquisition system is following at least a kind of:
A, each solar energy mirror are provided with two rotating shafts, and one is called transverse axis another is called the longitudinal axis, and the transverse axis and the longitudinal axis intersect each other, comprise into 90 degree angles, and solar energy mirror connects to form the solar energy acquisition system with the solar energy mirror support that contains this rotating shaft;
B, each solar energy mirror are connected with two rotating shafts respectively; One is called transverse axis another is called the longitudinal axis; The transverse axis and the longitudinal axis do not intersect each other; On rotating shaft and the solar energy mirror or the solar energy mirror frame be connected to become the longitudinal axis, another one be connected to become transverse axis with solar energy mirror again after connected element is connected, solar energy mirror and the solar bracket that contains the transverse axis and the longitudinal axis connect to form the solar energy acquisition system;
C, a plurality of solar energy mirror are connected on each other forms a series on the connected element; Solar energy mirror on each series is connected with a rotating shaft, and this axle becomes the longitudinal axis, and a plurality of series are parallel with one another to be connected on a connected element and with the another one rotating shaft; This axle becomes transverse axis; Transverse axis intersects with the longitudinal axis each other, comprises into 90 degree, and solar energy mirror connects to form the solar energy acquisition system with the solar bracket that contains the transverse axis and the longitudinal axis;
D, a plurality of solar energy mirror are connected on each other forms a series on the connected element; Solar energy mirror on each series all is connected with a rotating shaft; This axle becomes the longitudinal axis, and a plurality of series are parallel with one another to be connected on a connected element and with the another one rotating shaft, and this axle becomes transverse axis; Transverse axis with and the longitudinal axis does not intersect each other, solar energy mirror and the solar bracket that contains the transverse axis and the longitudinal axis connect to form the solar energy acquisition system;
E, by the solar energy mirror of the solar energy mirror of a point focusing or one group of point focusing, contain solar bracket parallel with earth's axis or that form less than the rotating shaft of 90 degree angles and be connected with one.
4. a kind of immovable point array solar according to claim 1 focuses on heat generating system, it is characterized in that: the geometrical shape of connected element or rotating shaft is selected from following at least a:
Linear cylinder, cylinder are provided with a plurality of solar energy mirror, and preferred straight line is parallel with earth's axis;
Be one or more of curve, parabolic shape, compound parabolic line style, hyperbolic parabola type;
C, be one or more of circle, polygonal, arc, rectangle.
5. a kind of immovable point array solar according to claim 3 focuses on heat generating system, and it is characterized in that: said follow-up control apparatus is made up of integrated follow-up control apparatus and/or complete follow-up control apparatus:
Said integrated follow-up control apparatus provides parts, power transmission component, computer controlled member made to consist of an integrated device by power; Integrated device is arranged on the solar energy mirror support and with rotating shaft and is connected; The electronic sensor device is arranged on the solar energy mirror; Each rotating shaft is provided with an integrated follow-up control apparatus; The electronic sensor device is sent to control signal on the computer controlled member made in the integrated device, is realized each solar energy mirror tracking Control by the rotation of integrated control device through a rotating shaft of control;
Said complete follow-up control apparatus provides parts, power transmission component, electronic sensor parts, computer controlled member made to form by power; The electronic sensor device is arranged on the solar energy mirror; Power transmission component is connected with rotating shaft; Power transmission component is arranged on the solar energy mirror support; Power provides parts and computer controlled member made to be arranged on and perhaps follows the tracks of on the solar energy mirror support on support or the ground, ground, and the electronic sensor device transmits computer controlled member made with control signal, and the control power transmission component provides power to send rotating shaft to through power transmission component; The control of realization countershaft drives the solar energy mirror that is arranged in the rotating shaft simultaneously and follows the tracks of, and a plurality of sun glassess and rotating shaft are common adopts complete follow-up control apparatus to realize the tracking Control to solar energy;
Said electronic sensor parts adopt the sensor of optics or electronics; With optical signalling, physical geographical position signal, electronic sensor signal or its combination; Software in single-chip machine or computer calculates; Realization is to the tracking of solar energy and the driving of solar energy mirror; Optical signalling, physical geographical position signal, electronic sensor signal or its combination are arranged on the solar energy mirror or on every side and with computer controlled member made and link to each other, and computer controlled member made provides parts to link to each other with power, and power provides parts to be connected with power transmission component.
6. a kind of immovable point array solar according to claim 5 focuses on heat generating system, and it is characterized in that: described power provides parts, be selected from following one of at least:
A, Mechanical Driven device;
B, phase transformation drive unit adopt the material be enclosed in a space, along with the increase of temperature makes the increase of its pressure, promote motion, realize following the tracks of;
C, utilize electric energy to drive motor or hydraulic pressure installation to drive power transmission mechanism (10) and realize following the tracks of;
D, utilize gas pressure that the device of power is provided;
Described power transmission component be arranged on connected element or with supporting part on, and be connected with power supplying apparatus, power transmission component select from following one or more: gear mechanism (10), link chain mechanism, turbine and worm mechanism, linkage.
7. a kind of immovable point array solar of stating according to claim 1 focuses on heat generating system, it is characterized in that: the optical frames of solar energy point focusing is selected from following a kind of or its combination:
The lens of A, point focusing comprise the lens that glass, Fresnel, nonmetal or nonmetal film or thin mirror are formed;
The reflector of B, point focusing comprises the lens that glass, Fresnel, nonmetal or nonmetal film or thin mirror are formed;
C, compound curved surface point focusing mirror comprise compound parabolic, compound hyperbolic parabola mirror;
D, by one group of solar energy mirror forming by a plurality of plane mirrors or curved mirror, every group of solar energy mirror has the focus of a point focusing.
8. a kind of immovable point array solar according to claim 1 focuses on heat generating system; It is characterized in that: in order to reduce the focus error of a point focusing solar energy mirror; Around the solar energy optical-thermal conversion equipment, be provided with the secondary focusing solar energy mirror, point focusing solar energy is afterwards carried out secondary focusing to the solar energy optical-thermal conversion equipment.
9. a kind of immovable point array solar according to claim 1 focuses on heat generating system; It is characterized in that: also be provided with at least one thermal accumulator; A plurality of solar energy optical-thermal conversion equipments are connected with thermal accumulator, and thermal accumulator is connected with generator set, and solar energy photothermal converter is a heat energy with conversion of solar energy; Thermal accumulator stores heat energy, and the heat energy that the generator set utilization stores is realized generating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201012394U CN202545148U (en) | 2012-03-17 | 2012-03-17 | Solar focusing thermal power generation system with fixed point arrays |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201012394U CN202545148U (en) | 2012-03-17 | 2012-03-17 | Solar focusing thermal power generation system with fixed point arrays |
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| CN202545148U true CN202545148U (en) | 2012-11-21 |
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| CN2012201012394U Expired - Fee Related CN202545148U (en) | 2012-03-17 | 2012-03-17 | Solar focusing thermal power generation system with fixed point arrays |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307773A (en) * | 2012-03-17 | 2013-09-18 | 成都奥能普科技有限公司 | Thermal power generating system adopting fixed dot array solar focusing |
| CN106443958A (en) * | 2013-12-11 | 2017-02-22 | 长沙理工大学 | Structure for mounting reflective surface assembly of disc-type solar concentrator |
-
2012
- 2012-03-17 CN CN2012201012394U patent/CN202545148U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307773A (en) * | 2012-03-17 | 2013-09-18 | 成都奥能普科技有限公司 | Thermal power generating system adopting fixed dot array solar focusing |
| CN103307773B (en) * | 2012-03-17 | 2016-10-26 | 成都奥能普科技有限公司 | A kind of fixing point array solar focuses on heat generating system |
| CN106443958A (en) * | 2013-12-11 | 2017-02-22 | 长沙理工大学 | Structure for mounting reflective surface assembly of disc-type solar concentrator |
| CN106443958B (en) * | 2013-12-11 | 2017-12-01 | 长沙理工大学 | A kind of mounting structure of disc type solar energy concentrator reflecting surface component |
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