CN104656685A - Array type solar oblique-axis tracking device - Google Patents
Array type solar oblique-axis tracking device Download PDFInfo
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- CN104656685A CN104656685A CN201510057639.8A CN201510057639A CN104656685A CN 104656685 A CN104656685 A CN 104656685A CN 201510057639 A CN201510057639 A CN 201510057639A CN 104656685 A CN104656685 A CN 104656685A
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Abstract
The invention discloses an array type solar oblique-axis tracking device. The array type solar oblique-axis tracking device mainly comprises a reducer, a primary tracking motor, a secondary tracking motor, a tracking output shaft, a sensor, a longitudinal shaft rotating bracket, a primary tracking driving arm, a driving knuckle bearing, a primary connecting rod, a secondary connecting rod, and solar energy oblique single-axis tracking brackets, wherein secondary tracking driving arms and driven knuckle bearings are mounted on the solar energy oblique single-axis tracking brackets. When the primary tracking motor is broken, the secondary tracking motor provides tracking power, so that the photovoltaic power generation array can continuously work normally, and the maintenance personnel have sufficient time to maintain and replace the broken main tracking motor; both of the primary tracking motor and the secondary tracking motor with the redundant backup function are utilized to realize the purpose of using the tracking driving capability output by the same reducer to drive a plurality of solar energy oblique single-axis tracking bracket arrays, so as to reduce the number of motors in the former single-motor tracking situation, reduce the failure quantity and lower the tracking cost.
Description
Technical field
The present invention relates to technical field of solar utilization technique, particularly relate to a kind of device carrying out following the tracks of the photovoltaic power generation array utilized to sun power.
Background technology
Sun power is a kind of regenerative resource of cleanliness without any pollution, inexhaustible; abundant exploitation sun power not only can save day by day exhausted conventional energy resources; alleviate severe shortage of resources problem, but also can decreasing pollution, the ecologic environment that the protection mankind depend on for existence.
In numerous solar utilization techniques, solar photovoltaic technology achieves and directly converts solar energy into electrical energy, it is a kind of Land use systems of most convenient, it have safe and reliable to operation, without the need to fuel, noiseless, pollution-free, can local use, the advantage such as working service is easy, scale is changeable, thus receive the attention of countries in the world.
Because sun power is a kind of thinner resource, there is instability.Owing to being subject to round the clock, season, the restriction of the natural conditions such as geographic latitude and sea level elevation and impact that is fine, cloudy, the enchancement factor such as cloud, rain, so, the solar irradiance arriving a certain ground is interruption, is again extremely unstable, and this adds difficulty to the large-scale application of sun power.If Collection utilization will be carried out to sun power, need to adopt different tracking holder devices.At present, in domestic and international photovoltaic power generation technology, common stent types has: fixed bracket, single column two-dimensional tracking, rail mounted two-dimensional tracking and inclined shaft one dimension are followed the tracks of the sun and run.Adopt single column to follow the tracks of form, its single-machine capacity is little, and self energy consumption is high.Maximum shortcoming be power slightly large time, structure will become very complicated, and wind resistance is very poor, be not suitable on a large scale scale promote.
Adopt the two-dimensional tracking mechanism of rail mounted, the same with single pillar construction, because the speed of sunshine in the motion of position angle and elevation angle both direction is constantly changing, directly can not adopt the motor of conventional uniform rotation, and single-chip microcomputer or PLC etc. must be adopted just can to control with the circuit of logical operation function, also to run bespoke control program, poor reliability, maintenance is high, and whole possessing cost is high.If power is slightly larger, then unitary rotation mechanism is huge, manufactures with installation very difficult.
At present, also the follower model machine adopting a set of follower to drive a large-scale condenser operation is had, but along with type size is amplified, its cost is also multiplied, less stable, the large-scale condenser of tens tons is also very high to the fundamental importance of field of employment, especially wind resistance is poor, manufacturing cost and maintenance cost high.The various shortcomings of various solar photovoltaic tracking system, also limit the popularization of photovoltaic tracking generation technology to a certain extent above.And the drive motor adopting array to follow the tracks of at present is generally single motor and drives, when electric power generation fault, the tracking means of whole interlock all stops following the tracks of, and Blast Furnace Top Gas Recovery Turbine Unit (TRT) is stopped transport, and causes generated energy to decline.Again because solar photovoltaic power plant is built in western Gobi deserf area more, apart from remote, maintenance cost is high, safeguards not in time, causes tremendous influence can to the generating operation of photovoltaic plant.
Adopt monomer one-dimensional inclined shaft mechanism to follow the tracks of, be also mainly adopt unit control strategy at present, namely every suit inclined shaft tracking mechanism adopts a set of independently control system, and self big energy-consuming, rising of controlling cost, maintenance is very large.Produce the example of model machine at present, or carried out the inclined shaft tracking solar power station of Demonstration Construction, all there is the shortcoming that height dimension is larger.This will certainly make wind resistance weaken.If size is done smaller, because the rising of controlling cost, still make it lose advantage economically and be difficult to promote.
Summary of the invention
Adopt sun power monomer one-dimensional inclined shaft tracking mechanism when adopting unit control strategy to overcome, self big energy-consuming, to control cost height, maintenance is large, the shortcoming and defect that array tracking mode adopts single motor-driven tracking to have a big risk, the invention provides a kind of double generator redundancy and drive array type solar inclined shaft tracking device, utilize two can the main tracking motor of redundancy backup and secondary tracking motor, realize the tracking drive volume exported with same reductor, multiple solar inclined single-shaft is driven to follow the tracks of the object of support array, decrease the number of motors in single motor tracking situation in the past, correspondingly reduce fault amount and reduce and follow the tracks of cost.Simultaneously, main tracking motor breaks down, and provides tracking power by secondary tracking motor, enables photovoltaic power generation array continue normal work, there is the sufficient time to carry out examine and replace to the main tracking motor damaged to maintainer, larger generated energy loss can not be caused to photovoltaic plant.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of array type solar inclined shaft tracking device, the solar inclined single-shaft comprise driving mechanism, drive the tracking output shaft be connected, the main tracking actuating arm be fixedly connected with described tracking output shaft, the connecting rod be flexibly connected with described main tracking actuating arm with described driving mechanism, being flexibly connected with described connecting rod follows the tracks of support; Described driving mechanism, for providing tracking power, driving and rotating described tracking output shaft; Described tracking output shaft is used for transmitting power to main tracking actuating arm; Described main tracking actuating arm is used for drivening rod, and described connecting rod drives described solar inclined single-shaft to follow the tracks of support, and then drives the solar energy photovoltaic panel be arranged on described solar inclined single-shaft tracking support to follow the tracks of sun power.
As a further improvement on the present invention, described driving mechanism comprises main tracking motor and secondary tracking motor, described secondary tracking motor, for providing tracking power when main tracking motor does not work.
Further, described driving mechanism also comprises reductor, main tracking motor rotating shaft, secondary tracking motor rotating shaft; Main tracking motor is connected with reductor respectively by main tracking motor rotating shaft, secondary tracking motor rotating shaft with secondary tracking motor, outputs power to tracking output shaft.
Described array type solar inclined shaft tracking device also comprises sensor, for the rotary state of detecting and tracking output shaft.
Main tracking motor breaks down, tracking power is provided by secondary tracking motor, enable photovoltaic power generation array continue normal work, have the sufficient time to carry out examine and replace to the main tracking motor damaged to maintainer, larger generated energy loss can not be caused to photovoltaic plant.
Described connecting rod comprises master connecting-rod and slave connecting rod, master connecting-rod for connect main tracking actuating arm and from tracking actuating arm, slave connecting rod be used for connect from tracking actuating arm and from tracking actuating arm.
As a further improvement on the present invention, described solar inclined single-shaft is followed the tracks of support and is comprised: oblique single rotation axis, back support rod, front rotational support, from tracking actuating arm, solar energy photovoltaic panel; Oblique single rotation axis is supported by back support rod and front rotation movable support, and be fixedly mounted on oblique single rotation axis from the one end of following the tracks of actuating arm, its other end is flexibly connected described connecting rod, and described solar energy photovoltaic panel is fixedly installed on described oblique single rotation axis.
Further, described solar inclined single-shaft is followed the tracks of support and is also comprised driven joint bearing, is connected from tracking actuating arm by driven joint bearing with master connecting-rod or slave connecting rod.
Described array type solar inclined shaft tracking device also comprises initiatively oscillating bearing, and described main tracking actuating arm is connected with master connecting-rod by active oscillating bearing.
As a further improvement on the present invention, described array type solar inclined shaft tracking device also comprises: the longitudinal axis swinging mounting following the tracks of output shaft described in movable supporting.
Described tracking output shaft comprises some joints, passes through Flange joint between joint and joint.
Described tracking output shaft mounting arrangements is North and South direction.
Described solar inclined single-shaft follows the tracks of support more than four groups.
The solar inclined single-shaft connected by same main tracking actuating arm is followed the tracks of support and is carried out mounting arrangements by East and West direction.
Working method of the present invention is, tracking output shaft is driven in rotation, the main tracking actuating arm be fixedly connected with described tracking output shaft is driven to swing, main tracking actuating arm drivening rod swings, what connecting rod drive was flexibly connected with it swings from following the tracks of actuating arm, drive the oblique single rotation axis be fixedly connected with it to rotate at travel(l)ing rest from tracking actuating arm, solar energy photovoltaic panel is arranged on oblique single rotation axis, and the rotation of oblique single rotation axis causes solar energy photovoltaic panel translation-angle tracking solar.
Useful benefit of the present invention is: utilize two can the main tracking motor of redundancy backup and secondary tracking motor, the tracking drive volume exported with same reductor can be realized, multiple solar inclined single-shaft is driven to follow the tracks of the object of support array, decrease the number of motors in single motor tracking situation in the past, correspondingly reduce fault amount and reduce and follow the tracks of cost.
Accompanying drawing explanation
Fig. 1 is physical construction sketch of the present invention.
Number in the figure is described as follows:
Before the main tracking motor of 10-reductor, 11-, the rotating shaft of 12-main tracking motor, the secondary tracking motor of 13-, the secondary tracking motor rotating shaft of 14-, 15-tracking output shaft, 16-sensor, 17-flange, 18-longitudinal axis swinging mounting, 19-main tracking actuating arm, 20-active oscillating bearing, 21-master connecting-rod, 22-slave connecting rod, 3-solar inclined single-shaft tracking support, the oblique single rotation axis of 30-, 31-back support rod, 32-, rotational support, 34-are from tracking actuating arm, 35-driven joint bearing.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with drawings and Examples.
A kind of array type solar inclined shaft tracking device, the solar inclined single-shaft comprise driving mechanism, drive the tracking output shaft 15 be connected, the main tracking actuating arm 19 be fixedly connected with described tracking output shaft 15, the connecting rod be flexibly connected with described main tracking actuating arm 19 with described driving mechanism, being flexibly connected with described connecting rod follows the tracks of support 3; Described driving mechanism, for providing tracking power, driving and rotating described tracking output shaft 15; Described tracking output shaft 15 is for transmitting power to main tracking actuating arm 19; Described main tracking actuating arm 19 is for drivening rod, and described connecting rod drives described solar inclined single-shaft to follow the tracks of support 3, and then drives the solar energy photovoltaic panel be arranged on described solar inclined single-shaft tracking support 3 to follow the tracks of sun power.
Described driving mechanism comprises main tracking motor 11 and secondary tracking motor 13, described secondary tracking motor 13, for providing tracking power when main tracking motor 11 does not work.
Described driving mechanism also comprises reductor 10, main tracking motor rotating shaft 12, secondary tracking motor rotating shaft 14; Main tracking motor 11 is connected with reductor 10 respectively by main tracking motor rotating shaft 12, secondary tracking motor rotating shaft 14 with secondary tracking motor 13, outputs power to and follows the tracks of output shaft 15.
Described array type solar inclined shaft tracking device also comprises sensor 16, for the rotary state of detecting and tracking output shaft 15.
Described solar inclined single-shaft is followed the tracks of support 3 and is comprised: oblique single rotation axis 30, back support rod 31, front rotational support 32, from tracking actuating arm 34, solar energy photovoltaic panel; Oblique single rotation axis 30 is by back support rod 31 and front rotational support 32 movable supporting, be fixedly mounted on oblique single rotation axis 30 from the one end of following the tracks of actuating arm 34, its other end is flexibly connected described connecting rod, and described solar energy photovoltaic panel is fixedly installed on described oblique single rotation axis 30.
Described solar inclined single-shaft is followed the tracks of support 3 and is also comprised driven joint bearing 35, be connected with master connecting-rod 21 or slave connecting rod 22 from tracking actuating arm 34 by driven joint bearing 35, master connecting-rod 21 for connect main tracking actuating arm 19 and from tracking actuating arm 34, slave connecting rod 22 for connect from tracking actuating arm 34 and from tracking actuating arm 34.
Described array type solar inclined shaft tracking device also comprises initiatively oscillating bearing 20, and described main tracking actuating arm 19 is connected with master connecting-rod 21 by initiatively oscillating bearing 20, and master connecting-rod 21 is for connecting main tracking actuating arm 19 and from following the tracks of actuating arm 34.
Described array type solar inclined shaft tracking device also comprises: the longitudinal axis swinging mounting 18 following the tracks of output shaft 15 described in movable supporting.
Described tracking output shaft 15 comprises some joints, saves and is connected by flange 17 between joint.
Described tracking output shaft 15 mounting arrangements is North and South direction.
Described solar inclined single-shaft follows the tracks of support 3 more than four groups.
The solar inclined single-shaft connected by same main tracking actuating arm 19 is followed the tracks of support 3 and is carried out mounting arrangements by East and West direction.
As shown in Figure 1, the invention provides a kind of double generator redundancy and drive array type solar inclined shaft tracking device, comprising: reductor 10, main tracking motor 11, main tracking motor rotating shaft 12, secondary tracking motor 13, secondary tracking motor rotating shaft 14, tracking output shaft 15, sensor 16, flange 17, longitudinal axis swinging mounting 18, main tracking actuating arm 19, initiatively oscillating bearing 20, master connecting-rod 21, slave connecting rod 22, solar inclined single-shaft follow the tracks of support 3; Solar inclined single-shaft follow the tracks of support 3 comprise: oblique single rotation axis 30, back support rod 31, front rotational support 32, from tracking actuating arm 34, driven joint bearing 35.Wherein: main tracking motor 11, secondary tracking motor 13 are all arranged on reductor 10, utilize existing known technology, can realize the same time, main tracking motor 11, both secondary tracking motors 13 only have one of them motor to be energized work; When main tracking motor 11 is energized work by the rotation of main tracking motor rotating shaft 12, the secondary tracking motor rotating shaft 14 of secondary tracking motor 13 can be made to rotate; When secondary tracking motor 13 is energized work by the rotation of secondary tracking motor rotating shaft 14, the main tracking motor rotating shaft 12 of main tracking motor 11 can be made to rotate; Among main tracking motor 11, both secondary tracking motors 13 during the work of any one electrical power, reductor 10 can be driven to work.
Under normal circumstances, only have main tracking motor 11 to be energized work, secondary tracking motor 13 no power and not working, by the rotation of main tracking motor rotating shaft 12, make tracking output shaft 15 export amount of spin; Sensor 16 is arranged on to be followed the tracks of on output shaft 15, the rotation following the tracks of output shaft 15 can be detected; In all normal situation of main tracking motor 11 and secondary tracking motor 13, main tracking motor 11 is only had to be energized work; When main tracking motor 11 breaks down, follow the tracks of output shaft 15 cannot normal rotation follow the tracks of, after being detected by sensor 16, main tracking motor 11 is made to stop energising work, change secondary tracking motor 13 into be energized work, thus make tracking output shaft 15 can normally export rotation amount tracking, enable photovoltaic power generation array continue normal work, there is the sufficient time to carry out examine and replace to the main tracking motor 11 damaged to maintainer, larger generated energy loss can not be caused to photovoltaic plant.
Following the tracks of output shaft 15 mounting arrangements is North and South direction, the AB direction namely shown in Fig. 1, and centre is connected to form longer length by flange 17; Follow the tracks of output shaft 15 by multiple north and south arrange and longitudinal axis swinging mounting 18 on the same line carries out axial restraint; Follow the tracks of output shaft 15 and multiple main tracking actuating arm 19 is installed, follow the tracks of when output shaft 15 rotates and main tracking actuating arm 19 is swung simultaneously; The arm end of main tracking actuating arm 19 is provided with initiatively oscillating bearing 20.
As shown in Figure 1, the solar inclined single-shaft that a kind of double generator redundancy provided by the present invention drives array type solar inclined shaft tracking device to comprise more than four groups follows the tracks of support 3; Each solar inclined single-shaft is followed the tracks of support 3 and is comprised: oblique single rotation axis 30, two back support rods 31, front rotational support 32; Oblique single rotation axis 30 forms axial restraint by two back support rods 31 and front rotational support 32; Oblique single rotation axis 30 is set to optimum angle of incidence usually, and oblique single rotation axis 30 installs solar electrical energy generation assembly.Oblique single rotation axis 30 is provided with from tracking actuating arm 34, the one end of following the tracks of actuating arm 34 is provided with driven joint bearing 35; Two adjacent solar inclined single-shafts are followed the tracks of between support 3, are connected with slave connecting rod 22 by driven joint bearing 35; One end of master connecting-rod 21 connects the active oscillating bearing 20 of main tracking actuating arm 19, and the other end connects the driven joint bearing 35 on solar inclined single-shaft tracking support 3; Main tracking actuating arm 19 is by active oscillating bearing 20 and master connecting-rod 21, and the oblique single rotation axis 30 pairs of sun power promoted on each solar inclined single-shaft tracking support 3 be connected are followed the tracks of; The solar inclined single-shaft be connected with same main tracking actuating arm 19 is followed the tracks of support 3 and is carried out mounting arrangements by East and West direction, the CD direction namely shown in Fig. 1; Follow the tracks of output shaft 15 and be provided with multiple main tracking actuating arm 19, multiple solar inclined single-shafts that each main tracking actuating arm 19 can drive the east-west direction of connection to arrange follow the tracks of support 3.Utilize two can the main tracking motor 11 of redundancy backup and secondary tracking motor 13, the tracking drive volume exported with same reductor 10 can be realized, multiple solar inclined single-shaft is driven to follow the tracks of the object of support 3 array, decrease the number of motors in single motor tracking situation in the past, correspondingly reduce fault amount and reduce and follow the tracks of cost.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and be not used as limitation of the invention, as long as in spirit of the present invention, all will drop in Claims scope of the present invention the change of above embodiment, modification.
Claims (12)
1. an array type solar inclined shaft tracking device, it is characterized in that, comprise driving mechanism, drive with described driving mechanism the tracking output shaft (15) be connected, the main tracking actuating arm (19) be fixedly connected with described tracking output shaft (15), the connecting rod be flexibly connected with described main tracking actuating arm (19), the solar inclined single-shaft that is flexibly connected with described connecting rod to follow the tracks of support (3); Described driving mechanism, for providing tracking power, driving and rotating described tracking output shaft (15); Described tracking output shaft (15) is for transmitting power to main tracking actuating arm (19); Described main tracking actuating arm (19) is for drivening rod, and described connecting rod drives described solar inclined single-shaft to follow the tracks of support (3), and then drives the solar energy photovoltaic panel be arranged on described solar inclined single-shaft tracking support (3) to follow the tracks of sun power.
2. array type solar inclined shaft tracking device as claimed in claim 1, it is characterized in that, described driving mechanism comprises main tracking motor (11) and secondary tracking motor (13), described secondary tracking motor (13), for providing tracking power when main tracking motor (11) does not work.
3. array type solar inclined shaft tracking device as claimed in claim 2, it is characterized in that, described driving mechanism also comprises reductor (10), main tracking motor rotating shaft (12), secondary tracking motor rotating shaft (14); Main tracking motor (11) is connected with reductor (10) respectively by main tracking motor rotating shaft (12), secondary tracking motor rotating shaft (14) with secondary tracking motor (13), outputs power to and follows the tracks of output shaft (15).
4. array type solar inclined shaft tracking device as claimed in claim 1 or 2, it is characterized in that, described array type solar inclined shaft tracking device also comprises sensor (16), for the rotary state of detecting and tracking output shaft (15).
5. array type solar inclined shaft tracking device as claimed in claim 1, it is characterized in that, described solar inclined single-shaft is followed the tracks of support (3) and being comprised: oblique single rotation axis (30), back support rod (31), front rotational support (32), from tracking actuating arm (34), solar energy photovoltaic panel; Oblique single rotation axis (30) is by back support rod (31) and front rotational support (32) movable supporting, be fixedly mounted on oblique single rotation axis (30) from the one end of following the tracks of actuating arm (34), its other end is flexibly connected described connecting rod, and described solar energy photovoltaic panel is fixedly installed on described oblique single rotation axis (30).
6. array type solar inclined shaft tracking device as claimed in claim 5, it is characterized in that, described solar inclined single-shaft is followed the tracks of support (3) and is also comprised driven joint bearing (35), be connected with master connecting-rod (21) or slave connecting rod (22) from tracking actuating arm (34) by driven joint bearing (35), master connecting-rod (21) for connect main tracking actuating arm (19) and from tracking actuating arm (34), slave connecting rod (22) for connect from tracking actuating arm (34) and from tracking actuating arm (34).
7. array type solar inclined shaft tracking device as claimed in claim 1, it is characterized in that, described array type solar inclined shaft tracking device also comprises initiatively oscillating bearing (20), described main tracking actuating arm (19) is connected with master connecting-rod (21) by initiatively oscillating bearing (20), and master connecting-rod (21) is for connecting main tracking actuating arm (19) and from following the tracks of actuating arm (34).
8. array type solar inclined shaft tracking device as claimed in claim 1, it is characterized in that, described array type solar inclined shaft tracking device also comprises: the longitudinal axis swinging mounting (18) following the tracks of output shaft (15) described in movable supporting.
9. the array type solar inclined shaft tracking device as described in claim 1 or 8, is characterized in that, described tracking output shaft (15) comprises some joints, saves and is connected by flange (17) between joint.
10. array type solar inclined shaft tracking device as claimed in claim 1, it is characterized in that, described tracking output shaft (15) mounting arrangements is North and South direction.
11. array type solar inclined shaft tracking devices as claimed in claim 5, is characterized in that, described solar inclined single-shaft follows the tracks of support (3) more than four groups.
12. array type solar inclined shaft tracking devices as described in claim 5 or 11, is characterized in that, the solar inclined single-shaft connected by same main tracking actuating arm (19) is followed the tracks of support (3) and carried out mounting arrangements by East and West direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057639.8A CN104656685A (en) | 2015-02-04 | 2015-02-04 | Array type solar oblique-axis tracking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057639.8A CN104656685A (en) | 2015-02-04 | 2015-02-04 | Array type solar oblique-axis tracking device |
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| CN104656685A true CN104656685A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510057639.8A Pending CN104656685A (en) | 2015-02-04 | 2015-02-04 | Array type solar oblique-axis tracking device |
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| CN106774455A (en) * | 2017-01-18 | 2017-05-31 | 李樱子 | Single shaft/double-shaft solar tracks of device based on crankshaft-link rod transmission |
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