CN109889155A - A kind of the photovoltaic tracker and photovoltaic tracking array of single-direction transmission - Google Patents
A kind of the photovoltaic tracker and photovoltaic tracking array of single-direction transmission Download PDFInfo
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- CN109889155A CN109889155A CN201910320781.5A CN201910320781A CN109889155A CN 109889155 A CN109889155 A CN 109889155A CN 201910320781 A CN201910320781 A CN 201910320781A CN 109889155 A CN109889155 A CN 109889155A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The present invention relates to photovoltaic technology field, provide the photovoltaic tracker and photovoltaic tracking array of a kind of single-direction transmission, comprising: column is used to support the photovoltaic tracker of the single-direction transmission;Unidirectional transmission, for interrupting the opposing torque in the photovoltaic tracker rotation process along girder, the lower end of the unidirectional transmission is connect with the top of the column;Girder is set in the unidirectional transmission, is rotatablely connected through the unidirectional transmission and the column;Photovoltaic module is fixed on the girder, can be rotated on the column with the girder.By previous constructions, opposing torque can be reduced and be superimposed on girder to center, center girder is avoided to damage because bearing too big opposing torque.
Description
Technical field
The present invention relates to photovoltaic technology field, the photovoltaic tracker and photovoltaic for referring in particular to provide a kind of single-direction transmission are chased after
Track array.
Background technique
With gradually increasing for global environmental consciousness, realized using renewable resource sharp before clean electric power generation has gradually replaced
Power generation is realized by cost of welding with non-renewable resources.Therefore, solar energy power generating is as a kind of green cleaning
And reproducible generation technology is increasingly subject to the favor of people, in order to realize the maximization of energy utilization, existing solar energy dress
It sets and is commonly installed photovoltaic tracker, so that photovoltaic panel can be as far as possible perpendicular to the light of the sun.
For photovoltaic tracking device in the tracking work of whole day, girder assumes responsibility for support photovoltaic module, the work of transmitting rotation torsion
With.But since photovoltaic tracking device is usually longer, girder during transmitting torsion, reactive torque also by along girder with reversed
Mode is superimposed paragraph by paragraph towards photovoltaic tracking device center.In order to avoid reactive torque paragraph by paragraph towards centre superposition it is excessive and cause girder by
Damage, the girder of usual photovoltaic tracking device cannot be accomplished too long.To realize the extension of girder length, existing mode is usually will
Girder thickeies, but thickeies cost increase caused by girder clearly, also will be to photovoltaic tracking usually because girder weight increases
The other structures part of device proposes higher design requirement.
The operational process of photovoltaic tracker is divided into: it is inverse track, automatically track, strong wind, snowy day, the methods of operation such as rainy day.Such as
Under strong wind mode, certain safeguard measure need to be started, system can be run to photovoltaic module horizontality position by photovoltaic tracker,
But photovoltaic tracking device generates reversed torsion in the state that strong wind is laid flat, because wind load vibrates the girder for driving photovoltaic tracking device
Square, this reactive torque will be superimposed paragraph by paragraph along girder, so that center girder is produced because bearing the superposition of two sides reactive torque
Raw great reactive torque, thus there are great security risks, also cannot achieve the laying of girder relatively long distance.
Summary of the invention
In order to solve the above technical problems, the main purpose of the present invention is to provide a kind of photovoltaic trackers of single-direction transmission
And photovoltaic tracks array, which can reduce opposing torque and be superimposed on girder to center, avoid center girder too big because bearing
Opposing torque and damage.
To reach above-mentioned purpose, the technical solution that the present invention applies is: a kind of photovoltaic tracker of single-direction transmission is provided,
Include:
Column is used to support;
Unidirectional transmission, for interrupting the opposing torque in the photovoltaic tracker rotation process along girder, the list
It is connect to the lower end of transmission device with the top of the column;
Girder is set in the unidirectional transmission, is rotatablely connected through the unidirectional transmission and the column;
Photovoltaic module is fixed on the girder, can be rotated on the column with the girder.
In the technical program, to increase single-direction transmission node as starting point, it is piecewise on girder to interrupt reactive torque
It is superimposed to center.This programme point centered on midway drive structure adds single-direction transmission dress in the connecting portion of column and girder
Set, in the past in this position, be usually arranged plastic bearing etc. can Bidirectional driving connecting component.After increasing this unidirectional transmission,
Opposing torque transmitting along girder will be interrupted by unidirectional transmission, and opposing torque will be distributed on each section of girder, and torque is each
It is excessive and cause girder impaired not will cause girder central moment for relatively uniform distribution on section girder.
In the present embodiment preferably, the unidirectional transmission includes driving member and pedestal, and the driving member is circle
Column construction;
The top of the pedestal is fixedly connected with the bottom of the driving member, the bottom of the pedestal and the column
Top connection.
In the present embodiment preferably, the driving member includes inner ring, outer ring and multiple special-shaped blocks, the inner ring with it is described
Girder connection, the outer ring are fixedly connected with the base, and raceway is formed between the inner ring and the outer ring, multiple described different
Shape block is arranged in the raceway, and the special-shaped block is connected with preloading spring;
When the inner ring Positive work, the special-shaped block is driven to rotate together, when the inner ring revolving speed is in a certain range
When interior, the special-shaped block deflects under the influence of centrifugal force, and the special-shaped block is disengaged with the inside and outside circle, makes institute
Inner ring is stated to operate without abrasion;
When thering is opposing torque to transmit on the girder, the inner ring antiport, under the action of the preloading spring
Contact the special-shaped block with the inside and outside circle, it is through the special-shaped block that the inner ring and the outer ring wedging is integral, thus
Bear by the inner ring transfer Lai opposing torque.
In the present embodiment preferably, the special-shaped block includes two pairs of planes being parallel to each other and two off-centre operation cambered surfaces, and one
To end axis is respectively equipped in the plane being parallel to each other, the end axis is equipped with notch, the slot for installing positioning, the end axis
Mouth is for installing the preloading spring.
In the technical program, if tracker, during lasting tracking, power mechanism drives tracker operating, at this time unidirectionally
Transmission device does not work, and follows tracking girder operating;When strong wind protection tracking system is integrally laid flat, power mechanism stops work
Make, tracking girder generates the opposing torque towards the transmitting superposition of girder center because strong wind vibrates, if in opposing torque transmission path
Unidirectional transmission is encountered, then opposing torque superposition stops.It will be distributed on each section of girder in the torque on each section of girder at this time,
Maximum opposing torque superposition will not be formed on the girder of center, in this way, center girder is without thickening or specially treated
Meet safe bending resistance requirement.
In the present embodiment preferably, the pedestal includes the first side wall, second sidewall and mounting wall, the mounting wall difference
It is connect with the first side wall, the second sidewall, forms U-shaped notch, the outer ring of the mounting wall and the driving member
It is fixedly connected, the notch clamps at the top of the column, is fixedly connected with the pedestal with the column.
In the technical program, pedestal is U-shaped structure, and the U-shaped structure notch of pedestal clamps column top design, so that unidirectionally
Transmission device is easier to install with column, so that staff improves the assembling of photovoltaic board supporting structure and photovoltaic tracking array
With build efficiency, ensure that the construction time.
In the present embodiment preferably, the top of the pedestal is arc structure, be adapted to the outer ring of the driving member and
It is fixedly connected, the bottom of the pedestal is planar structure, and the bottom of the pedestal is fixedly connected with the column.
In the technical program, the circular arc portion of pedestal and driving member cladding are connected, so that pedestal and driving member connect
Touching is that face increases, to reduce the stress of driving member, and then improves the stability and load-bearing property of this photovoltaic tracker;
Also there is cambered surface side wall to guarantee its torsional property, ensure that the intensity of unidirectional transmission, and then ensure that this photovoltaic photovoltaic is tracked
The intensity of device structure;And cambered surface side wall also guarantees the uniformity of unidirectional transmission stress, and then guarantees unidirectional transmission
Service life.
In the present embodiment preferably, the unidirectional transmission is holdback or small-sized pivoting support.
In the present embodiment preferably, the girder is cylindrical structure, and the photovoltaic module passes through anchor ear and the girder
Connection.
In the technical program, girder is generally a solid or hollow rod-like structure, since photovoltaic module has centainly
Area, so, in order to steadily support photovoltaic module, the size of the girder of rod-like structure is generally bigger, and which results in masters
The cost of manufacture of beam is higher.Girder is mainly zinc-plated square tube or round tube at present, the bearing that square tube girder uses be it is square internally and round externally, lead
It causes shaft strength uneven, influences bearing service life;There is also deficiencies at antitorque aspect for rectangular girder simultaneously.And round tube girder
The bearing internal external used is circle, so that it is equally loaded, and then not only can guarantee the service life of bearing, but also can guarantee girder
Torsional property.
It is that the present invention applies another solution is that providing a kind of photovoltaic tracking array, comprising:
The photovoltaic tracker and power mechanism of multiple single-direction transmissions as described in above-mentioned any one, the driving motor with
The girder connection, the driving motor controls the girder operating of the photovoltaic tracker of multiple single-direction transmissions, described unidirectional
The column of the photovoltaic tracker of transmission is fixed on fabricated base.
In the present embodiment preferably, the photovoltaic tracker of multiple single-direction transmissions is arranged in a linear, and two neighboring institute
Girder is stated to be connected as one.
In the technical program, to increase single-direction transmission node as starting point, it is piecewise on girder to interrupt reactive torque
It is superimposed to center.This programme point centered on midway drive structure adds single-direction transmission dress in the connecting portion of column and girder
Set, in the past in this position, be usually arranged plastic bearing etc. can Bidirectional driving connecting component.After increasing this unidirectional transmission,
Opposing torque transmitting along girder will be interrupted by unidirectional transmission, and opposing torque will be distributed on each section of girder, and torque is each
It is excessive and cause girder impaired not will cause girder central moment for relatively uniform distribution on section girder.Therefore girder length will not
It is limited again, the girder of photovoltaic tracking system can increase as desired, can still meet the requirement of long-term follow safe operation.
The present invention provides the photovoltaic tracker and photovoltaic tracking array of a kind of single-direction transmission, can bring following at least one
The utility model has the advantages that
1. in the present invention, by increase single-direction transmission node as starting point, interrupt reactive torque on girder by
Section is superimposed to center, and point adds unidirectional transmission in the connecting portion of column and girder centered on midway drive structure,
After increasing this unidirectional transmission, the opposing torque transmitting along girder will be interrupted by unidirectional transmission, and opposing torque will be distributed
On each section of girder, it is excessive and cause girder not will cause girder central moment for torque relatively uniform distribution on each section of girder
It is impaired.
2. in the present invention, adding unidirectional transmission by the connecting portion of column and girder, opposing torque being distributed
On each section of girder, the design requirement of each section of girder is reduced, and girder length can extend, and break through existing length by opposite force
The limitation of square.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the photovoltaic tracker of single-direction transmission in the present embodiment one.
Fig. 2 is the schematic diagram of unidirectional transmission part-structure in the present embodiment three.
Fig. 3 is the structural schematic diagram in special-shaped block section in the present embodiment one.
Drawing reference numeral explanation:
1. column, 2. unidirectional transmissions, 21. inner rings, 22. outer rings, 23. special-shaped blocks, 231. first sides, 232. second
Side, 233. first cambered surfaces, 234. second cambered surfaces, 24. first bases, 25. second bases, 251. the first side walls, 252. second
Side wall, 253. circular arc walls, 3. girders, 31. anchor ears, 4. photovoltaic modulies.
Specific embodiment
Although the present invention can easily show as various forms of embodiments, it is shown in the accompanying drawings and in this explanation
What be will be explained in book is only some of specific embodiments, while being understandable that this specification is construed as this hair
Bright principle it is exemplary illustrated, and be not intended to limit the invention to it is illustrated herein as.
As a result, a feature pointed in this specification by illustrate one embodiment of the present of invention one of them
Feature, rather than imply that each embodiment of the invention must have illustrated feature.Further it is to be noted that be this explanation
Book describes many features.Although certain features can be combined to show possible system design, these features
It can also be used for other combinations that explanation is not known.As a result, unless otherwise indicated, illustrated combination is not intended to limit.
In the embodiment shown in the figures, the instruction (such as upper, lower, left, right, front and rear) in direction is to explain the present invention
Various assemblies structure and movement be not absolute but opposite.When these components are in position shown in the drawings, this
A little explanations are suitable.If the explanation of the position of these components changes, the instruction in these directions also correspondingly changes
Become.
Below in conjunction with the attached drawing of this specification, presently preferred embodiments of the present invention is further described in detail.
In example 1, as shown in Figure 1, present embodiments providing a kind of photovoltaic tracker of single-direction transmission, comprising: vertical
Column 1, is used to support the photovoltaic tracker of single-direction transmission, and column 1 can be square steel, fashioned iron, steel pipe etc.;Unidirectional transmission 2 is used
In interrupting the opposing torque in photovoltaic tracker rotation process along girder 3, the lower end of unidirectional transmission 2 and the top of column 1
Connection, unidirectional transmission can be holdback or small-sized revolution etc.;Girder 3 is set in unidirectional transmission 2, through unidirectional
Transmission device 2 and column 1 are rotatablely connected, and girder 3 can be round tube or square tube;Photovoltaic module 4 is fixed on girder 3, can be with girder
3 rotate on column 1.Photovoltaic module (being commonly called as solar panel) is by solar battery sheet or by laser cutting machine machine or steel wire
The solar battery for the different size that cutting machine is cut open combines composition.And they be encapsulated in a stainless steel,
On aluminium or other nonmetallic frames, installs the backboard of glass and the back side above, is filled with nitrogen, sealing.Preferably, girder 3
For cylindrical structure, photovoltaic module 4 is connect by anchor ear 31 with girder 3.Girder 3 is generally a solid or hollow rod-shaped knot
Structure, since photovoltaic module 4 has certain area, so, in order to steadily support photovoltaic module 4, the girder 3 of rod-like structure
Size is generally bigger, and which results in the cost of manufacture of girder 3 is higher.Girder 3 is mainly zinc-plated square tube or round tube, square tube at present
The bearing that girder uses be it is square internally and round externally, cause shaft strength uneven, influence bearing service life;Rectangular girder is anti-simultaneously
Turning round aspect, there is also deficiencies.And the bearing internal external that round tube girder uses is circle, so that it is equally loaded, and then both be can guarantee
The service life of bearing, and can guarantee the torsional property of girder 3.
Photovoltaic tracking device is in the tracking work of whole day, and girder 3 assumes responsibility for support photovoltaic module 4, transmitting rotation torsion
Effect.But since photovoltaic tracking device is usually longer, for girder 3 during transmitting torsion, reactive torque also will be along girder 3 with anti-
To mode be superimposed paragraph by paragraph towards photovoltaic tracking device center.Girder is caused in order to avoid reactive torque is excessive towards centre superposition paragraph by paragraph
3 is impaired, and the girder 3 of usual photovoltaic tracking device cannot be accomplished too long.To realize the extension of 3 length of girder, existing mode is logical
It often to thicken girder 3, but thickeies cost increase caused by girder 3 clearly, usually because 3 weight of girder increases, also will
Higher design requirement is proposed to the other structures part of photovoltaic tracking device.In the present embodiment, to increase single-direction transmission node work
For starting point, it is piecewise to center superposition on girder 3 to interrupt reactive torque.This programme point centered on midway drive structure,
In the connecting portion of column 1 and girder 3, unidirectional transmission 2 is added, in the past in this position, plastic bearing etc. usually is arranged can
The connecting component of Bidirectional driving.After increasing this unidirectional transmission 2, the opposing torque transmitting along girder 3 will be filled by single-direction transmission
It sets 2 to interrupt, opposing torque will be distributed on each section of girder 3, and torque relatively uniform distribution on each section of girder 3 not will cause master
3 central moment of beam is excessive and causes girder 3 impaired.If tracker, during lasting tracking, power mechanism drives tracker fortune
Turn, unidirectional transmission 2 does not work at this time, follows tracking girder operating;When strong wind protection tracking system is integrally laid flat, move
Force mechanisms stop working, and tracking girder generates the opposing torque towards the transmitting superposition of 3 center of girder because strong wind vibrates, if opposite force
Unidirectional transmission 2 is encountered in square transmission path, then opposing torque superposition stops.The torque on each section of girder 3 will divide at this time
Cloth will not form maximum opposing torque superposition, in this way, center girder is without thickening on each section of girder 3 on the girder of center
Or specially treated can meet safe bending resistance requirement.
In example 2, as shown in Figure 1, Figure 3, on the basis of example 1, unidirectional transmission 2 includes transmission structure
Part (not marking) and first base 24, driving member are cylindrical structure;The top of first base 24 and the bottom of driving member
It is fixedly connected, if the bottom of electric welding connection, first base 24 is connect with the top of column 1, is such as bolted.Driving member includes
The internal diameter of inner ring 21, outer ring 22 and multiple special-shaped blocks 23, inner ring 21 is adapted to the outer diameter of girder 3, and inner ring 21 is set in girder 3
On, so that inner ring 21 is fixed together with girder 3;There are two screw rod, two screw rods are parallel to each other and vertically 22 lower weld of outer ring
Downwards;First base 24 includes the first side wall, second sidewall and mounting wall, and mounting wall connects with the first side wall, second sidewall respectively
Connect, form U-shaped notch, set on mounting wall there are two the screw hole that be adapted to 22 screw rod of outer ring, mounting wall and driving member outside
Circle 22 is fixedly connected through bolt, and column 1 is square tube or U-type groove steel, and notch is clamped in the two sides at 1 top of column, and two sides pass through spiral shell
Bolt is fixedly connected with first base 24 with column 1.Raceway is formed between inner ring 21 and outer ring 22, multiple settings of special-shaped block 23 are being rolled
In road, special-shaped block 23 is connected with preloading spring;Such as Fig. 3, special-shaped block 23 is by two first sides being parallel to each other 231, second
Side 232 is intersected with two the first eccentric cambered surfaces 233, the second cambered surface 234 and the entity structure that constitutes, the two sides of special-shaped block 23
Equipped with end axis, end axis is equipped with notch for installing positioning, end axis, and notch is for installing preloading spring.
When 21 Positive work of inner ring, drive special-shaped block 23 rotate together, when 21 revolving speed of inner ring in a certain range when, it is different
Shape block 23 deflects under the influence of centrifugal force, and special-shaped block 23 is disengaged with inside and outside circle 21,22, makes inner ring 21 without abrasion
Operating;When thering is opposing torque to transmit on girder 3,21 antiport of inner ring, make under the action of preloading spring special-shaped block 23 with
It is inside and outside circle 21,22 contact, it is through special-shaped block 23 that inner ring 21 and 22 wedging of outer ring is integral, thus receiving by girder transfer Lai
Opposing torque.If tracker, during lasting tracking, power mechanism drives tracker operating, and unidirectional transmission 2 is not at this time
It works, girder 3 is followed to operate;When strong wind protection tracking system is integrally laid flat, power mechanism stops working, and girder 3 is because big
Wind shake is dynamic and generates the opposing torque towards the transmitting superposition of 3 center of girder, if encountering single-direction transmission dress in opposing torque transmission path
It sets, then opposing torque superposition stops.It will be distributed on each section of girder 3 in the torque on each section of girder 3 at this time, it will not be in center master
Maximum opposing torque superposition is formed on beam, in this way, center girder can meet safe bending resistance without thickening or specially treated
It is required that.
In the third embodiment, as shown in Figure 1 and Figure 2, on the basis of embodiment one, two, unidirectional transmission 2 includes passing
Dynamic component (not marking) and second base 25, driving member are cylindrical structure;Second base 25 includes the first side wall 251, the
Two side walls 252 and circular arc wall 253, the first side wall 251, second sidewall 252 are mutually perpendicular to be fixed on the bottom of second base 25, circle
For arc wall 253 between the first side wall 251 and second sidewall 252, the lower end of circular arc wall 253 is vertical with the bottom of second base 25
And be fixedly connected, the upper end of circular arc wall 253 is arc surface, and is adapted to the outer ring of driving member 22, and 253 upper end of circular arc wall is made
The lower end in outer ring 22 is held on arc surface top, and the two is welded to be fixed together;The bottom of second base 25 is equipped with screw hole, with screw hole
The bolt of adaptation passes through the screw hole of 25 bottom of second base, and second base 25 is fixed together with column.
The circular arc portion of second base 25 and the outer ring 22 of driving member coat and connect, so that second base 25 and transmission structure
The contact of part is face increase, to reduce the stress of driving member, and then improves the stability of this photovoltaic tracker and holds
Principal characteristic energy;Also there is cambered surface wall 253 to guarantee its torsional property, ensure that the intensity of unidirectional transmission 2, and then ensure that this photovoltaic
The intensity of photovoltaic tracker structure;And cambered surface wall 253 also guarantees the uniformity of 2 stress of unidirectional transmission, and then guarantees unidirectional
The service life of transmission device 2.
In example IV, as shown in Figure 1, present embodiments providing a kind of light on the basis of embodiment one, two, three
Volt tracking array, comprising: the photovoltaic tracker and power mechanism of single-direction transmission, driving motor control the photovoltaic of multiple single-direction transmissions
Tracker operating, the photovoltaic tracker of single-direction transmission are fixed on fabricated base through column 1.The photovoltaic of multiple single-direction transmissions is tracked
Device is arranged in a linear, and two neighboring girder 3 is connected as one.
The operational process of photovoltaic tracker is divided into: it is inverse track, automatically track, strong wind, snowy day, the methods of operation such as rainy day.Such as
Under strong wind mode, certain safeguard measure need to be started, system can be run to photovoltaic module horizontality position by photovoltaic tracker
(wind load suffered by tracker is minimum under this state), but photovoltaic tracking device, in the state that strong wind is laid flat, reactive torque is along girder
Superposition paragraph by paragraph, so that center girder generates great reactive torque because bearing the superposition of two sides reactive torque, thus
There are great security risks, also cannot achieve the laying of girder relatively long distance.In the present embodiment, to increase single-direction transmission node
As starting point, it is piecewise to center superposition on girder to interrupt reactive torque.This programme point centered on midway drive structure,
In the connecting portion of column and girder, unidirectional transmission is added, in the past in this position, plastic bearing etc. usually is arranged can be two-way
The connecting component of transmission.After increasing this unidirectional transmission, the opposing torque transmitting along girder will be interrupted by unidirectional transmission,
Opposing torque will be distributed on each section of girder, and torque relatively uniform distribution on each section of girder not will cause girder central moment
It is excessive and cause girder impaired.Therefore girder length will be no longer limited, and the girder of photovoltaic tracking system can increase as desired, still
The requirement of long-term follow safe operation can be met.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of photovoltaic tracker of single-direction transmission characterized by comprising
Column is used to support;
Unidirectional transmission, for interrupting the opposing torque in the photovoltaic tracker rotation process along girder, the unidirectional biography
The lower end of dynamic device is connect with the top of the column;
Girder is set in the unidirectional transmission, is rotatablely connected through the unidirectional transmission and the column;
Photovoltaic module is fixed on the girder, can be rotated on the column with the girder.
2. the photovoltaic tracker of single-direction transmission according to claim 1, it is characterised in that:
The unidirectional transmission includes driving member and pedestal, and the driving member is cylindrical structure;
The top of the pedestal is fixedly connected with the bottom of the driving member, the top of the bottom of the pedestal and the column
Connection.
3. the photovoltaic tracker of single-direction transmission according to claim 2, it is characterised in that:
The driving member includes inner ring, outer ring and multiple special-shaped blocks, and the inner ring is connect with the girder, the outer ring and institute
It states pedestal to be fixedly connected, forms raceway between the inner ring and the outer ring, multiple special-shaped blocks are arranged in the raceway,
The special-shaped block is connected with preloading spring;
When the inner ring Positive work, the special-shaped block is driven to rotate together, when the inner ring revolving speed in a certain range when,
The special-shaped block deflects under the influence of centrifugal force, and the special-shaped block is disengaged with the inside and outside circle, makes the inner ring
It is operated without abrasion;
When having opposing torque to transmit on the girder, the inner ring antiport makes institute under the action of the preloading spring
Special-shaped block is stated to contact with the inside and outside circle, it is through the special-shaped block that the inner ring and the outer ring wedging is integral, to bear
By the inner ring transfer Lai opposing torque.
4. the photovoltaic tracker of single-direction transmission according to claim 3, it is characterised in that:
The special-shaped block includes two pairs of planes being parallel to each other and two off-centre operation cambered surfaces, is distinguished in the plane that a pair is parallel to each other
Equipped with end axis, the end axis is equipped with notch for installing positioning, the end axis, and the notch is for installing the preload bullet
Spring.
5. the photovoltaic tracker of single-direction transmission according to claim 2, it is characterised in that:
The pedestal includes the first side wall, second sidewall and mounting wall, the mounting wall respectively with the first side wall, described
The connection of two side walls, forms U-shaped notch, and the mounting wall is fixedly connected with the outer ring of the driving member, the notch clamping
At the top of the column, it is fixedly connected with the pedestal with the column.
6. the photovoltaic tracker of single-direction transmission according to claim 2, it is characterised in that:
The top of the pedestal is arc structure, is adapted to and is fixedly connected with the outer ring of the driving member, the bottom of the pedestal
Portion is planar structure, and the bottom of the pedestal is fixedly connected with the column.
7. the photovoltaic tracker of single-direction transmission according to claim 1, it is characterised in that:
The unidirectional transmission is holdback or small-sized pivoting support.
8. the photovoltaic tracker of single-direction transmission according to any one of claims 1-7, it is characterised in that:
The girder is cylindrical structure, and the photovoltaic module is connect by anchor ear with the girder.
9. a kind of photovoltaic tracks array characterized by comprising
The photovoltaic tracker and driving motor of multiple single-direction transmissions as described in any one of claim 1-8, the driving
Motor is connect with the girder, and the driving motor controls the girder operating of the photovoltaic tracker of multiple single-direction transmissions, institute
The column for stating the photovoltaic tracker of single-direction transmission is fixed on fabricated base.
10. photovoltaic according to claim 9 tracks array, it is characterised in that:
The photovoltaic tracker of multiple single-direction transmissions is arranged in a linear, and the two neighboring girder is connected as one.
Priority Applications (2)
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CN201910320781.5A CN109889155A (en) | 2019-04-20 | 2019-04-20 | A kind of the photovoltaic tracker and photovoltaic tracking array of single-direction transmission |
PCT/CN2019/103457 WO2020215569A1 (en) | 2019-04-20 | 2019-08-29 | One-way transmission photovoltaic tracker and photovoltaic tracker array |
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CN201910320781.5A CN109889155A (en) | 2019-04-20 | 2019-04-20 | A kind of the photovoltaic tracker and photovoltaic tracking array of single-direction transmission |
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Cited By (1)
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WO2020215569A1 (en) * | 2019-04-20 | 2020-10-29 | 江苏中信博新能源科技股份有限公司 | One-way transmission photovoltaic tracker and photovoltaic tracker array |
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