阅读说明：本技术 一种多排联动的多点驱动平单轴跟踪系统 (Multi-row linkage multi-point drive flat single-axis tracking system ) 是由 高习玮 钱鸿杰 刘永良 宁鹏 彭程 于 2020-11-20 设计创作，主要内容包括：本发明公开了一种多排联动的多点驱动平单轴跟踪系统,包括多排跟踪支架,每排跟踪支架分别包括多个立柱、转动的安装于多个立柱顶部的主轴、设于主轴上的安装组件间隔设置于主轴上的多个转动单元、动力组件、沿着平行于主轴的长度方向设置的第一扭矩杆、相互平行且与第一扭矩杆相垂直的多根第二扭矩杆,至少一排跟踪支架上的多个转动单元之间通过第一扭矩杆相活动连接,多排跟踪支架上相对应的多个转动单元之间通过第二扭矩杆相活动连接。本发明的跟踪系统,通过第一扭矩杆和第二扭矩杆的设置,将多排跟踪支架上的多个转动单元连接起来并使多个转动单元能够同步运动,最终实现多排跟踪支架的多点驱动和多排联动。(The invention discloses a multi-row linkage multi-point drive flat single-shaft tracking system which comprises a plurality of rows of tracking supports, wherein each row of tracking supports respectively comprises a plurality of stand columns, a main shaft rotationally mounted at the tops of the stand columns, a plurality of rotating units, a power assembly, a first torque rod and a plurality of second torque rods, the rotating units are arranged on the main shaft at intervals, the first torque rods are arranged along the length direction parallel to the main shaft, the second torque rods are parallel to each other and perpendicular to the first torque rods, the rotating units on at least one row of tracking supports are movably connected through the first torque rods, and the rotating units corresponding to the plurality of rows of tracking supports are movably connected through the second torque rods. According to the tracking system, the first torque rod and the second torque rod are arranged, so that the plurality of rotating units on the multi-row tracking support are connected and can move synchronously, and multi-point driving and multi-row linkage of the multi-row tracking support are finally realized.)

1. The utility model provides a flat single-axis tracking system of multirow linkage multiple spot drive, includes the mutual parallel tracking support of multirow, every row the tracking support include a plurality of stands (1), along the direction of arranging of a plurality of stands (1) extend and can wind its self axial lead direction pivoted install in main shaft (2) at a plurality of stands (1) tops, locate be used for installing photovoltaic module's installation component (3) on main shaft (2), its characterized in that: the tracking system further comprises a plurality of rotating units (4) which are arranged on the main shaft (2) at intervals along the length extending direction of the main shaft (2) and are used for driving the main shaft (2) to rotate, a power assembly (5) used for providing power for the rotating units (4), a first torque rod (6) which is arranged along the length direction parallel to the main shaft (2), and a plurality of second torque rods (7) which are parallel to each other and are vertical to the first torque rod (6),

the plurality of rotating units (4) on the at least one row of tracking support are movably connected through the first torque rod (6), and the corresponding plurality of rotating units (4) on the plurality of rows of tracking support are movably connected through the second torque rod (7).

2. The multi-row linkage multi-point drive flat single-axis tracking system according to claim 1, characterized in that: rotating unit (4) include runner assembly (4 a) and drive assembly (4 b), runner assembly (4 a) including set firmly in rotating turret (4 a 1) that has arc installation department (4 a 11) on main shaft (2), locate turbine (4 a 2) on the arc installation department (4 a 11), drive assembly (4 b) including locate on stand (1) and with turbine (4 a 2) engaged with worm, second torque rod (7) both ends respectively with two adjacent rows corresponding two on the tracking support the worm is connected.

3. The multi-row linkage multi-point drive flat single-axis tracking system of claim 2, wherein: the tracking system further comprises a plurality of speed reducers (8) which are arranged on the tracking support connected with the first torque rods (6) and correspond to the plurality of driving assemblies (4 b) one by one, each speed reducer (8) is provided with an input shaft (8 a), a first output shaft (8 b) and a second output shaft (8 c), the first output shafts (8 b) and the second output shafts (8 c) are perpendicular to each other, the input shafts (8 a) and the first output shafts (8 b) can be connected with two adjacent first torque rods (6) respectively, and the second output shafts (8 c) can be connected with the worm.

4. The multi-row linkage multi-point drive flat single-axis tracking system of claim 3, wherein: the tracking system further comprises a universal joint (9) provided between the first torque rod (6) and the input shaft (8 a), the first torque rod (6) and the first output shaft (9 b), respectively.

5. The multi-row linkage multi-point drive flat single-axis tracking system of claim 3, wherein: the tracking system further comprises a coupling (10) arranged between the worm and the second output shaft (8 c).

6. The multi-row linkage multi-point drive flat single-axis tracking system of claim 3, wherein: the output shaft of the power assembly (5) is connected with the input shaft (8 a) of at least one speed reducer (8).

7. The multi-row linkage multi-point drive flat single-axis tracking system of claim 2, wherein: the rotating frame (4 a 1) further comprises a swing arm (4 a 12) connected with the arc-shaped mounting portion (4 a 11), and a plurality of connecting rods (4 a 14) arranged in the middle of the swing arm (4 a 12) and used for fixing the rotating frame (4 a 1) to a hoop (4 a 13) on the main shaft (2), wherein two ends of the connecting rods are respectively connected with the swing arm (4 a 12) and the arc-shaped mounting portion (4 a 11).

8. The multi-row linkage multi-point drive flat single-axis tracking system of claim 2, wherein: the turbine (4 a 2) comprises a multi-section arc-shaped turbine module (S4 a 2), each section of the turbine module (S4 a 2) comprises a turbine body (S4 a 22) with gear teeth (S4 a 21) and clamping portions (S4 a 23) arranged at two ends of the turbine body (S4 a 22), and the multi-section turbine module (S4 a 2) can be spliced into the turbine (4 a 2) in a matched mode through the clamping portions (S4 a 23).

9. The multi-row linkage multi-point drive flat single-axis tracking system according to claim 1, characterized in that: the mounting assembly (3) comprises a plurality of purlins which are arranged at intervals along the length extension direction of the main shaft (2).

Technical Field

The invention relates to the field of solar photovoltaic power generation, in particular to a multi-row linkage multi-point drive flat single-axis tracking system.

Background

The current solar flat single-axis tracking support faces several main technical problems in the practical application process, and specifically comprises the following steps: 1. in the field of single-row photovoltaic tracking supports, the photovoltaic tracking support adopting a single-point driving form (such as a single gear motor in the middle and damping on two sides) cannot meet the scheme requirements of high load, long arrangement, multiple components and large span; meanwhile, the single-point driving structure has poor stability, high cost and weak adaptability; 2. in the field of multi-row linkage photovoltaic tracking supports, each row of tracking supports is designed by middle single-point driving, and the structure is easy to lose efficacy in severe extreme weather such as strong wind, strong snow and the like; the multi-row linkage scheme generally cannot realize the function of multi-point synchronous driving of each row, and the requirement that each row of tracking supports cannot meet multi-component and long-row arrangement is also caused.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a multi-row linkage multi-point driving flat single-shaft tracking system.

In order to achieve the purpose, the invention adopts the technical scheme that:

a multi-row linkage multi-point drive flat uniaxial tracking system comprises a plurality of rows of parallel tracking supports, wherein each row of the tracking supports respectively comprises a plurality of stand columns, a main shaft which extends along the arrangement direction of the stand columns and can rotate around the axis direction of the stand columns, a mounting assembly which is arranged on the main shaft and used for mounting a photovoltaic assembly, a plurality of rotating units which are arranged on the main shaft at intervals along the length extension direction of the main shaft and used for driving the main shaft to rotate, a power assembly used for providing power for the rotating units, a first torque rod which is arranged along the length direction parallel to the main shaft, and a plurality of second torque rods which are parallel to each other and vertical to the first torque rod,

the plurality of rotating units on at least one row of tracking supports are movably connected through the first torque rod, and the corresponding plurality of rotating units on the plurality of rows of tracking supports are movably connected through the second torque rod.

Preferably, the rotating unit includes runner assembly and drive assembly, the runner assembly including set firmly in epaxial rotating turret that has the arc installation department, locate turbine on the arc installation department, drive assembly including locating on the stand and with turbine engaged with worm, second torque rod both ends respectively with two adjacent rows track corresponding two on the support the worm is connected.

Further preferably, the tracking system further comprises a plurality of speed reducers which are arranged on the tracking support connected with the first torque rods and correspond to the plurality of driving assemblies one by one, each speed reducer is provided with an input shaft, a first output shaft and a second output shaft, the first output shafts are perpendicular to each other, the input shaft and the first output shaft can be respectively connected with two adjacent first torque rods, and the second output shaft can be connected with the worm.

Still further preferably, the tracking system further comprises universal joints provided between the first torque rod and the input shaft, and between the first torque rod and the first output shaft, respectively.

Still further preferably, the tracking system further comprises a coupling disposed between the worm and the second output shaft.

Still further preferably, the output shaft of the power assembly is connected with the input shaft of at least one of the speed reducers.

Further preferably, the rotating frame further comprises a swing arm connected with the arc-shaped installation part, a hoop arranged in the middle of the swing arm and used for fixing the rotating frame on the main shaft, and a plurality of connecting rods, wherein two ends of the connecting rods are respectively connected with the swing arm and the arc-shaped installation part.

Further preferably, the turbine includes the curved turbine module of multistage, every section the turbine module respectively including have the turbine body of the teeth of a cogwheel, locate the joint portion at turbine body both ends, the multistage the turbine module pass through joint portion can the complex splice become the turbine.

Preferably, the mounting assembly comprises a plurality of purlins spaced apart along the length of the spindle.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the tracking system, the first torque rod and the second torque rod are arranged, so that the plurality of rotating units on the plurality of rows of tracking supports are connected and can move synchronously, and finally, multi-point driving and multi-row linkage of the plurality of rows of tracking supports are realized, so that the multi-row tracking supports can meet the scheme requirements of high load, long arrangement, multiple components and large span.

Drawings

FIG. 1 is a schematic diagram of a tracking system in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at C of FIG. 1 of the present invention;

FIG. 3 is a schematic diagram of a rotating assembly in an embodiment of the present invention;

FIG. 4 is an enlarged schematic view at D of FIG. 3 of the present invention;

fig. 5 is a schematic structural view of a decelerator in an embodiment of the present invention.

In the figure: A. a first tracking support; B. a second tracking support;

1. a column; 2. a main shaft; 3. mounting the component; 4. a rotating unit; 4a, a rotating component; 4a1, a turret; 4a11, arc mounting; 4a12, swing arm; 4a13, a hoop; 4a14, connecting rod; 4a2, turbine; s4a2, a turbine module; s4a21 and gear teeth; s4a22, a turbine body; s4a23 and a clamping part; 4b, a driving component; 5. a power assembly; 6. a first torque rod; 7. a second torque rod; 8. a speed reducer; 8a, an input shaft; 8b, a first output shaft; 8c, a third output shaft; 9. a universal joint; 10. a coupling is provided.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

The invention relates to an improvement on a flat single-shaft tracking support, and provides a multi-row linkage multi-point driving flat single-shaft tracking system.

Referring to fig. 1-5, a multi-row linkage multi-point drive flat single-axis tracking system is shown that includes a plurality of rows of tracking carriages parallel to each other. Each row of tracking support respectively comprises a plurality of stand columns 1, a main shaft 2 which extends along the arrangement direction of the stand columns 1 and can rotate around the axis line direction of the stand columns 1 and is installed at the tops of the stand columns 1, and an installation assembly 3 which is arranged on the main shaft 2 and is used for installing a photovoltaic assembly, wherein the installation assembly 3 is a purline. The tracking system further comprises a plurality of rotating units 4 arranged on the main shaft 2 at intervals along the length extension direction of the main shaft 2 and used for driving the main shaft 2 to rotate, a power assembly 5 used for providing power for the rotating units 4, a first torque rod 6 arranged in parallel with the length direction of the main shaft 2, and a plurality of second torque rods 7 which are parallel to each other and perpendicular to the first torque rod 6.

Wherein, trail the support including the first tracking support A that is located its first row of direction of arranging, trail support B along the multirow second that keeps away from first tracking support A's direction and arrange in proper order, trail through first torque rod 6 looks swing joint between a plurality of the rotating unit 4 on the support A first, trail through second torque rod 7 looks swing joint between a plurality of the rotating unit 4 that correspond on support B on support A and the multirow second of tracking.

Therefore, the rotating unit 4 at the head end of the first tracking support A can drive other rotating units 4 on the first tracking support A to synchronously move through the first torque rod 6, so that multipoint driving of the main shaft 2 of the first tracking support A is realized, and compared with a common multi-row linkage single-row single-point driving tracking support, the requirement of a longer single-row component arrangement scheme can be realized; meanwhile, the multi-point rotating unit 4 on the first tracking support A can drive the corresponding rotating units 4 on the multi-row second tracking support B to synchronously move through the second torque rod 7, so that linkage of the multi-row tracking supports is realized.

Further, as shown in fig. 2-3, the rotating unit 4 includes a rotating assembly 4a and a driving assembly 4b, the rotating assembly 4a includes a rotating frame 4a1 having an arc-shaped mounting portion 4a11 and fixedly disposed on the main shaft 2, and a worm wheel 4a2 disposed on the arc-shaped mounting portion 4a11, the driving assembly 4b includes a worm disposed on the upright 1 and engaged with the worm wheel 4a2, and two ends of the second torque rod 7 are respectively connected with two corresponding worms on two adjacent rows of tracking brackets. In this example, in the arrangement direction of the columns 1, one column 1 of every three columns 1 is provided with a worm.

Thus, through the matching of the worm wheel 4a2 and the worm, the worm wheel 4a2 rotates around the axis of the main shaft 2 and transmits bending moment to drive the main shaft 2 to rotate around the axis of the main shaft, and single-point driving of the single-row tracking support is realized; meanwhile, the matching of the worm wheel 4a2 and the worm is used at multiple points on the main shaft 2, the good structure self-locking performance of the worm wheel and the worm is utilized, and when the motion state is not tracked, the stability of the structure of the tracking support can be ensured on the premise that the power assembly 5 does not provide power, the energy consumption of the tracking system is effectively reduced, and the economic benefit is better.

In the present embodiment, as shown in fig. 3, the rotating frame 4a1 further includes a swing arm 4a12 connected to the arc-shaped mounting portion 4a11, a hoop 4a13 provided at the middle of the swing arm 4a12 for fixing the rotating frame 4a1 to the main shaft 2, and a plurality of links 4a14 connected at both ends to the swing arm 4a12 and the arc-shaped mounting portion 4a11, respectively.

Preferably, as shown in fig. 4, the turbine 4a2 includes a multi-segment arc-shaped turbine module S4a2, each segment of the turbine module S4a2 includes a turbine body S4a22 having gear teeth S4a21, and clamping portions S4a23 provided at two ends of the turbine body S4a22, and the multi-segment turbine module S4a2 is spliced into the turbine 4a2 by the clamping portions S4a 23. The clamping part S4a23 is a first clamping buckle and a second clamping buckle which are matched with each other. So, can carry out standardized design to turbine module S4a2, can be according to concrete scheme' S angle control scope requirement, through the concatenation installation of the worm wheel module S4a2 of the different specifications of multistage, realize the nimble change of adjustable angle scope, effectively reduced product manufacturing cost, improved product development efficiency.

In this example, the central angle of the turbine module S4a2 can be 15 °, 30 ° and 60 °, and the assembly can be freely spliced according to the adjustment angle requirement of the main shaft 2.

As shown in fig. 2 and 5, the tracking system further includes a plurality of speed reducers 8 disposed on the first tracking bracket a and corresponding to the plurality of driving assemblies 4b, where the speed reducers 8 are also disposed on the upright 1, and each of the speed reducers 8 has an input shaft 8a, a first output shaft 8b and a second output shaft 8c perpendicular to each other, the input shaft 8a and the first output shaft 8b can be connected to two adjacent first torque rods 6, respectively, and the second output shaft 8c can be connected to a worm. The reducer 8 is a T-shaped reducer and can drive the first torque rod 6 and the worm to rotate at the same time, wherein universal joints 9 are arranged between the first torque rod 6 and the input shaft 8a, between the first torque rod 6 and the first output shaft 8b, and a coupling 10 is arranged between the worm and the second output shaft 8 c.

Further, the power assembly 5 is a motor, and an output shaft of the motor is connected with an input shaft 8a of a speed reducer 8 at the head end of the first tracking bracket a.

Thus, through the arrangement of the motor and the T-shaped speed reducer, the motor drives the rotating unit 4 at the head end of the first tracking bracket A to rotate, and the first output shaft 8b of the T-shaped speed reducer synchronously transmits the rotation of the rotating unit 4 at the head end of the first tracking bracket A to other rotating units 4 on the first tracking bracket A, so that the synchronous rotation of multiple points is realized; meanwhile, the multi-point rotating unit 4 can transmit the rotation motion of the multi-point rotating unit to the multi-row rotating units 4 on the second tracking support B through the second output shaft 8c of the T-shaped speed reducer, and finally multi-row multi-point linkage of the motor-driven tracking system is achieved, so that the production cost and the electric control cost of the photovoltaic support tracking system are greatly reduced.

The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.