KR100918260B1 - the tracking system structure for photovoltaic power generation - Google Patents

Abstract

According to the present invention, the swing module 200 assembled to the upper support flange 12 fixed to the upper surface of the support pillar 10 includes a worm gear lower flange 280a and a worm gear 280, and a rotating wheel bearing 270. As such, the overall assembly height is low and the coupling is also fastened with a plurality of assembly bolts, which is very stable with respect to the wind pressure and the weight of the heavy solar cell module 300, and accordingly, the worm gear outer diameter can be maximized according to the outer diameter of the support pillar. It can be, the effect of adopting the motor of the minimum horsepower swinging the solar cell module 300 on the support pillar, the detection of the progression according to the swing motion is the first left and right swing progress sensor 290, the second left and right swing The stop proximity switch 134, the third, the swing module tea bracket is provided with the stability and precise control of the swing movement in several stages, such as the left and right swing stop bar, and the up and down yaw motion is provided to the up and down yaw sensor installed at the outer edge of the first yaw bracket shaft. Adjustable by High and low yaw stop sensor is detected by the vertical yaw stop sensor that detects the fragments, and finally yaw by mechanically contacting the first yaw lower bracket and the first yaw upper bracket and by stopping the screw jack The present invention relates to a structure of a tracking device for photovoltaic power generation that is operated at a precise yawing angle to be controlled.

Photovoltaic, power generation, tracking device, structure

Description

Tracking system structure for photovoltaic power generation

The present invention relates to a tracking device structure for photovoltaic generation, and in detail, the solar cell module installed vertically on an independent support pillar for photovoltaic power generation is free from vibration or vibration due to wind or self load and has excellent durability. The present invention relates to a precise control system for swinging motion according to the present invention and a tracking device structure for photovoltaic power generation with improved precision control for yawing motion according to the sun's altitude and durability.

[Document 1] JP 2000-223730 A 2000.8.11 Drawing 1

[Document 2] JP 2000-322418 A 2003.11.14 Drawing 2

Document 3 KR 20-0396395 Y1 2005.9.13 Drawing 1

Document 4 KR 10-440221 B1 2004.7.2 Drawing 4

[Document 5] KR 10-0821345 B1 2008.4.3 Drawing 1, Claim 2

[Document 6] Chonnam National University 2004.3.28 Installation Solar Energy Demonstration Project

[Document 7] Chosun University 2004.9.30 Installation Photovoltaic System for Local Energy Demonstration Project

The document 1 is a solar tracking power generation system and its operation method, the core technology referring to the drawings and claims is "a structure that is equipped with a power generation unit that is completed from a plurality of power generation modules in a frame supported by rotational materials, At the lower end, an azimuth mass actuator driven by a motor is installed to rotate the entire frame in the azimuth direction, and a linear actuator driven by a motor is installed at the upper end of the support to rotate the entire frame in a bidirectional direction. The motor relates to a solar tracked power generation system composed of a step motor capable of controlling the rotation direction and the amount of rotation.

Document 2 is a condensation tracking type solar power combined hot water supply device, "condensing support unit with a condensing panel; support the condensing panel is always supported in a state facing the sun, the base and the pier, support arm, cylinder portion The pier is a vertical pipe-shaped fixed shaft that stands in the center of the base, and is a fixed gear installed at the top of the fixed shaft, and is a motor attached to the upper surface of the rear surface of the rotating pipe with the rotating pipe mounted on the outer periphery of the fixed shaft. The driving gear meshing with the fixed gear installed in the azimuth motor, and the supporting arm part are attached to the front upper part of the side wall of the turning pipe, and the bracket is attached to the center of the lower surface of the bottom of the light collecting plate. A pin; and a cylinder portion having a lower position of the arm on the side wall of the turning pipe, and a first bracket attached to the bottom surface of the light collecting plate 2 with the first bracket attached thereto. Tracking photovoltaic device consisting of a cylinder installed between the second bracket and the second bracket.

 The document 3 relates to a solar tracking device including a solar tracking device including a solar tracking device, a support frame, a swing frame, a swing driving means, a yawing driving means, a solar energy collecting panel, and the like. Swing shaft rotatably supported on the shaft support, swing shaft vertically supported swing frame structure assembled on the bottom, motor fixed to the support frame, drive gear installed on the motor shaft, swing shaft And a swing driving means composed of driven gears engaged with the drive gears, and rotatably coupled to a horizontal yawing shaft provided on the connecting frame of the swing body, the solar energy collecting panel being rotated integrally with the swing body around the swing shaft. Coupling means provided in, swinging frame is installed, swinging integrally with the swing frame, the yawing driver for rotating the solar energy collecting panel about the yaw axis Screw jack body of the screw, while coming out from the screw container, the screw rod is reciprocating up and down, the upper end is hinged to the back of the solar collector panel, the hinge coupled screw motor rotatable about the hinge axis Yawing driving means ".

The document 4 relates to a solar tracking method of a solar automatic tracking device, and more particularly, can be driven with a small and low power consumption while maintaining photovoltaic power generation efficiency, and in particular, the number of start-up stops of the solar tracking drive device can be minimized. A solar tracking method of a solar tracking device using a forward tracking control method, which supports a PV panel and consists of a panel fixing body bolted to a connecting frame.

Document 5 is a solar tracking device for rotating the solar energy collecting panel about a vertical swing axis and a horizontal yaw axis so as to track the sunlight according to the change of the altitude and orientation of the sun, the support pillar; A swing driving body having a vertical swing shaft rotatably supported by the support pillar, and a connecting frame coupled to the swing shaft so as to be integrally rotated with the swing shaft about the swing shaft; and fixed to the support pillar. A swing drive means having a swing drive motor, a drive worm gear installed on a rotation shaft of the swing drive motor, and a driven spur gear installed on the swing shaft and engaged with the drive worm gear;

A panel fixing body installed at the front and rotatably supported at a horizontal yawing shaft provided at a connecting frame of the swing driving body at a rear thereof and integrally rotating with the swing driving body about the swing shaft; A yawing driving means installed on the connecting frame of the swing driving body to rotate the panel fixing body about the yawing shaft while rotating integrally with the swing driving body about the swing shaft; a change in the altitude and azimuth of the sun; And a control means for controlling the driving of the swing driving means and the yawing driving means, wherein the support pillar is a cylinder having a passage formed therein and an outlet formed at a lower portion thereof, and a hollow penetrating vertically through the swing shaft. Is formed so that the wiring is made through the hollow of the swing shaft and the support pillar and the outlet It can be seen that the solar tracking device.

Document 6 is a photovoltaic power generation system installed in Chonnam National University as a regional energy demonstration project with patent technology of document 4, and document 7 is a data on the photovoltaic power generation system installed in Chosun University as a regional energy demonstration project. By controlling the sun's position to be the normal direction, it increases the efficiency of solar power generation, it is possible to accurately track the location using the programmatic algorithm, and it is the solar tracking device that minimizes the power consumption by applying the forward tracking control method. Can be.

The background arts described above are that the photovoltaic devices installed on the vertical posts are yawing on the posts in the vertical direction according to the sun's altitude to track the sun in order to increase the condensing or heat collection effect according to the altitude or orientation of the sun. The swinging mechanisms are rotated in the right and left directions depending on the direction and the azimuth, but the power transmission structure provided in the yawing and swinging devices is weak and relatively weak to wind pressure. The failure of the same power transmission structure accounted for most of the defects analyzed by the occurrence of AS.

In addition, in order to stably install the yawing and swinging device as described above, in some technologies, an excessively large diameter pillar is installed as a support of a photovoltaic power generation facility, or a swing device made of a large structure is installed.

In particular, in the case of Document 5, instead of simplifying the diameter of the strut or the surrounding structure to stabilize the swing shaft, the worm gear and the worm screw type swing formed on the swing shaft embedded in the support means, such as a box type bolted to the strut The device simplifies the device but still has limited durability and wind pressure stability due to the adoption of a limited swing shaft built inside the worm gear box.

On the other hand, the specification of the drive motor according to the enlargement of some reinforced shore and the swing device is also increasing, following the increase in manufacturing cost.

Accordingly, the present invention provides a photovoltaic tracking device structure in consideration of the above problems, and the control element and the structural stability to the wind pressure to ensure accurate position tracking according to the change in the orientation and altitude of the sun and efficient by the drive motor in small capacity It is an object of the present invention to provide a photovoltaic tracking device structure that enables operation.

In view of the above, in the present invention, the support pillar upper flange 12 having the left and right swing stop bars 12a protruding a part of the outer edge is fixed to the support pillar 10,

The worm gear 280 and the worm gear lower flange 280a are sequentially assembled to the bottom surface of the slewing wheel bearing through the bolt holes formed in the outer circumferential row of the revolving wheel bearing 270 on the support column upper flange 12. However, bolt assembly of the swing module bed 210 to the inner circumferential rotor of the rotating wheel bearing,

The worm screw mounting stand (260) and the swing geared motor bracket (250a) in a predetermined spaced state in the same line in the bolt assembly on the bottom side of the swing module bed, but the worm screw mounting stand (260) on one side The worm screw shaft bearing 262 is installed on the bent shaft bearing cover 260a ', and the worm gear 280 protrudes through the worm screw shaft bearing 262 embedded in the hollow worm screw shaft bearing cover 262a. After coupling the shaft end portion and the swing geared motor 240 shaft end bolted to one side of the swing geared motor bracket 250a to the swing gear shaft coupling 250b, the swing module is mounted outside the worm screw mounting stand 260. Assemble the T-bracket 220, the left and right swing forward sensor 290 is attached to the left and right swing forward sensor bracket (290a) on the rim screw mounting bracket 260 of the sealed worm screw shaft bearing cover (260a ') side. Interlocked with worm gear outer shell, swing module protective cover (230) To form a swing module 200 assembled on the outer surface of the bottom,

The 'a' type screw jack bed bracket 121 is fixed to both sides of a rectangular screw jack body installation bed 120 bolted to the rear surface of the swing module t bracket 220 installed at the swing module bed 210. In the middle of the panel reinforced with both ends of the screw jack bed bracket, the left and right swing stop proximity switch 134 is installed with the left and right swing stop proximity switch bracket 134a, and the screw jack bodies assembled on both sides of the lower side of the screw jack bed bracket 121 are assembled. Screws with brackets formed at the left and right bottom ends of the support piece 111 through the screw jack body yaw shaft 112 having the bushing 4a inserted therein and are flat washers 3a, spring nuts 2a and assembly bolts 1a. The hinge assembly of the jack body support 105, but the screw jack body assembly 105 is installed in the hinge vertically installed screw jack 102 vertically installed screw jack body 101 in the vertical direction And extend to one side of the screw jack body support 105 The screw jack geared motor 108 is installed on the screw jack motor support 110 which is mounted, and the screw jack body 101 is assembled by the shaft coupling 107, and the screw jack geared motor 108 on the screw jack motor support 110 is installed. ) Forms a yawing module 100 that is externally treated with a screw jack motor cover 109,

The end of the screw rod 102 of the yawing module 100 is hinged to the second yawing bracket 140 bolted to the top of the solar cell frame 320 of the solar cell module 300, the screw jack body 101 The first yaw bracket (130a) is assembled to the first yaw bracket (131b) with a hinge axis of the first yaw bracket (131b) assembled to the swing module bed (210) opposite the installation point. The upper and lower yaw stop sensor protrusion 131a is attached to the outer edge of the yawing bracket long shaft 131 and the upper and lower yaw stop sensor 131b is attached to the swing module bed 210 adjacent to the upper and lower yaw stop sensor protrusion 131a. The yawing stop sensor bracket 131c is installed, and the first yaw bracket bracket 132 is assembled with the first yaw bracket bracket 132 to the other first yaw lower bracket 130b 'by the hinge axis, and the first yaw bracket The swing module bed 210 adjacent to the hinge shaft of the bracket shaft 132 has a vertical yaw progress sensor bracket 133a having the vertical yaw sensor 133 attached thereto. Each of the first yaw phase brackets (130a; 130a ') is installed by the tracking device for photovoltaic power generation, characterized in that the bolt assembly in the middle of the solar cell frame 320 of the solar cell module 300, It is designed to enable efficient operation by driving motor with structural stability and small capacity for control element and wind pressure for accurate position tracking according to the change of direction and altitude of the sun.

The swing module 200 assembled to the upper support flange 12 fixed to the upper support pillar 10 according to the structure of the tracking device for photovoltaic power generation of the present invention is the worm gear lower flange 280a and the worm gear 280 ), Like the slewing wheel bearing 270, the overall assembly height is low, and in the coupling method, it is fastened with a plurality of assembly bolts and is very stable with respect to the wind pressure and the weight of the heavy solar cell module 300, and the outer diameter of the support pillar. The outer diameter of the worm gear can be raised to the maximum, and the effect of adopting the motor of the minimum horsepower to swing the solar cell module 300 on the support pillar.

In addition, the progress according to the swing operation is the left and right swing progress sensor 290 assembled on one side frame of the worm screw mounting stand 260 assembled on the swing module bed 210 proceeds along the outer worm gear 280 outer side of the sun Precise swing operation in accordance with the orientation proceeds, if there is a defect in the left and right swing operation program as a first step to stop by the left and right swing stop proximity switch 134 installed in the middle of the screw jack bed bracket 121, the lower reinforcement panel, When the left and right swing stop proximity switches are defective, the swing module tie brackets 220 installed on the rear bottom of the swing module bed 210 lastly act on the left and right swing stop bars 12a protruding from the support pillar flange 12. It is to stop the final process by means of To provide an optimal state.

In addition, the vertical yawing (yawing) operation according to the present invention by the vertical yawing sensor 133 is installed on the outer edge of the first yaw bracket shaft 132 assembled to the hinge axis of the first yaw lower bracket (130b '). The operation is performed at a precise yaw angle, and if a problem occurs in the electrical program and the vertical angle continues, the hinge axis of the first yaw bracket long shaft 131 provided in the first yaw lower bracket 130b as a first safety measure. It stops by the up and down yaw stop sensor 131b which detects the up and down yaw stop sensor piece 131a, and when the up and down yaw stop sensor occurs, the first yaw down brackets 130b; 130b 'and the first yaw image When the bracket (130a; 130a ') is finally raised mechanically stop, when the final descending screw jack is no longer lowered, it is characterized in that it operates at a precise and safe yaw angle.

Hereinafter, by the specific embodiment shown in the present invention, the structure of the present invention for tracking photovoltaic power generation will be described in more detail.

1 is a yaw side view of the maximum standing angle state according to the present invention, Figure 2 is a yawing side view of the maximum horizontal angle state according to the present invention.

Structural solar tracking device structure according to the present invention, referring to the drawings 1 and 2, the support pillar 10 is fixed to the anchor structure to the concrete structure provided in the ground, and the flange welding integrally on the upper support pillar Based on the support pillar upper flange 12, the yawing module 100 installed on one side of the support pillar upper flange, the swing module 200 rotated by the vertical axis of the support pillar, and the yawing shaft hinged on the swing module It comprises a solar cell module 300 yawing by the driving of the yawing module.

The support column 10, the support column upper flange 12, and the solar cell module 300 of the above-mentioned constituent means are similar in general and known in the art, and the support column 10 and the support pillar base side The provided wiring outlet 11 is drawn out from the one side of the lower base portion provided at the lower end of the turning pipe, as shown in FIG. It is a well-known preliminary technology, such as a hot-and-cold supply line and a solar cell lead outlet, the outlet provided in the lower side of the support column of Document 5, the outlet formed at the base of the support column through the hollow shaft in the support column of Document 6 and Document 7, The support pillar upper flange 12 also has the shape of the support pillar as a known reinforcement installation provided on the support pillar for assembling and installing components such as the swing module 100, the yawing module 200, and the solar cell module 300. According to the shape, it is a constituent means for welding and fixing the support column on a disc or polygonal shape.

On the other hand, the solar cell module 300 is a solar cell mounting stand made of a light metal lattice, assembled with a solar cell assembly bolt 313 of a 4-5 ㎾ class solar cell 310 consisting of a plurality of cells in general ) Is installed as a mounting assembly bolts 312 on the solar cell module frame 320 is reinforced by the 'P' arrangement in the plan view.

Hereinafter, the control element for accurate position tracking according to the change of the bearing and altitude of the sun by the attached drawings and the structure of the photovoltaic power generation tracking device to enable the efficient operation by the drive motor at the structural stability and the small capacity for the wind pressure. For the following,

Figure 3 is a perspective view of the main portion of the photovoltaic device to which the tracking device of the present invention is applied, Figure 4 is a swing plan view showing a maximum rotation angle range in accordance with the present invention, Figure 5 is a full exploded perspective view of Figure 3, 6 is an enlarged exploded perspective view of a yawing module that is a main part of the present invention, and FIG. 7 is an enlarged exploded perspective view of a swing module that is a main part of the present invention.

Fixing the upper pillar 12 of the support pillar having a left and right swing stop bar (12a) protruding part of the outer edge to the upper support pillar (10),

The worm gear 280 and the worm gear lower flange 280a are sequentially assembled to the bottom surface of the slewing wheel bearing through the bolt holes formed in the outer circumferential row of the revolving wheel bearing 270 on the support column upper flange 12. However, bolt assembly of the swing module bed 210 to the inner circumferential rotor of the rotating wheel bearing,

The worm screw mounting stand (260) and the swing geared motor bracket (250a) in a predetermined spaced state in the same line in the bolt assembly on the bottom side of the swing module bed, but the worm screw mounting stand (260) on one side The worm screw shaft bearing 262 is installed on the bent shaft bearing cover 260a ', and the worm gear 280 protrudes through the worm screw shaft bearing 262 embedded in the hollow worm screw shaft bearing cover 262a. After coupling the shaft end portion and the swing geared motor 240 shaft end bolted to one side of the swing geared motor bracket 250a to the swing gear shaft coupling 250b, the swing module is mounted outside the worm screw mounting stand 260. Assemble the T-bracket 220, the left and right swing forward sensor 290 is attached to the left and right swing forward sensor bracket (290a) on the rim screw mounting bracket 260 of the sealed worm screw shaft bearing cover (260a ') side. In conjunction with the outer worm gear outer shell, swing module protective cover (230 To form a swing module 200 assembled on the outer surface of the bottom,

The 'a' type screw jack bed bracket 121 is fixed to both sides of a rectangular screw jack body installation bed 120 bolted to the rear surface of the swing module t bracket 220 installed at the swing module bed 210. In the middle of the panel reinforced with both ends of the screw jack bed bracket, the left and right swing stop proximity switch 134 is installed with the left and right swing stop proximity switch bracket 134a, and the screw jack bodies assembled on both sides of the lower side of the screw jack bed bracket 121 are assembled. Screws with brackets formed at the left and right bottom ends of the support piece 111 through the screw jack body yaw shaft 112 having the bushing 4a inserted therein and are flat washers 3a, spring nuts 2a and assembly bolts 1a. The hinge assembly of the jack body support 105, but the screw jack body assembly 105 is installed in the hinge vertically installed screw jack 102 vertically installed screw jack body 101 in the vertical direction And extend to one side of the screw jack body support 105 The screw jack geared motor 108 is installed on the screw jack motor support 110 which is mounted, and the screw jack body 101 is assembled by the shaft coupling 107, and the screw jack geared motor 108 on the screw jack motor support 110 is installed. ) Forms a yawing module 100 that is externally treated with a screw jack motor cover 109,

The end of the screw rod 102 of the yawing module 100 is hinged to the second yawing bracket 140 bolted to the top of the solar battery frame 320 of the solar cell module 300, the screw jack body ( 101) A first yaw bracket (130a) is assembled to the first yaw bracket (131b) with a hinge axis of the first yaw bracket (131b) assembled to the swing module bed (210) opposite the installation point. 1 The upper and lower yaw stop sensor protrusion 131a is attached to the outer edge of the yawing bracket long shaft 131, and the upper and lower yaw stop sensor 131b is attached to the swing module bed 210 adjacent to the upper and lower yaw stop sensor protrusion 131a. The yawing stop sensor bracket 131c is installed, and the first yaw bracket bracket 132 is assembled with the first yaw bracket bracket 132 to the other first yaw lower bracket 130b 'by the hinge axis, and the first yaw bracket The swing module bed 210 adjacent to the hinge shaft of the bracket shaft 132 has a vertical yaw progress sensor bracket 133a having the vertical yaw sensor 133 attached thereto. Value, and each of the first yaw installed onto the bracket (130a; 130a ') is a bolt assembly in the middle of the solar cell frame 320 of the solar cell module 300.

In the drawings, reference numerals 1a; 1b; 1c; 1d; 1e: assembly bolt, 2a; 2b; 2c; 2d: spring nut, 3a; 3b; 3c: flat washer, 4a; 4b; 4c: bushing, '104' The bellows 201 of the screw rod 102 is a bed wiring hole penetrated through the hollow part of the turning wheel bearing 270 assembled to the swing module bed 210 bottom, and various wirings are not shown.

One embodiment of the present invention configured as described above will be described in detail by the accompanying drawings.

The swing module 200 assembled to the support column upper flange 12 fixed to the upper surface of the support column 10 according to the present invention is a worm gear lower flange 280a and worm gear 280, the rotating wheel bearing ( It can be seen that the overall assembly height is low and the coupling method is fastened with a plurality of assembly bolts as in the coupling method such as wind pressure and the weight of the heavy solar cell module 300.

Worm gear 280 according to the present invention in a fixed manner on the support column upper flange 12 of the support pillar 10, there is no limiting element to increase the outer diameter of the worm gear 280.

However, the swing geared motor 240 engaged with the worm gear 280 is assembled, and the outer diameter of the worm gear is varied in proportion to the plane of the swing module bed 210 in which the solar cell module 300 is installed.

As the outer diameter of the worm gear increases, the reduction gear ratio of the swing geared motor 240 increases, so that the outer diameter of the worm gear can be appropriately increased to the maximum according to the outer diameter of the support pillar, so that the minimum horsepower swinging the solar cell module 300 is achieved. The adoption of the motor of the company provides the technical meaning to enhance the competitiveness of the product.

Meanwhile, as shown in FIG. 4, the left and right swing stop waves 12a provided in the support pillar 10 and the upper flange 12 of the support pillar 10 are mounted on the swing module tea bracket 220 assembled to the bottom of the swing module bed 210. By the swing motion is made in the range of 155 ° to the left and right, the swing motion by the left and right wing stop wave 12a limits the swing motion more than the set angle.

As the swing motion progresses according to the sun's orientation, the left and right swing progress sensors 290 assembled to one side frame of the worm screw mounting stand 260 assembled to the swing module bed 210 proceed along the outer worm gear 280. Precise swing operation according to the sun's orientation, and if there is a defect in the left and right swing operation program, the first action is to stop by the left and right swing stop proximity switch 134 installed in the middle of the lower reinforcement panel screw jack bed bracket 121. And, when the left and right swing stop proximity switch is defective, the left and right swing stop bar 12a in which the swing module tie bracket 220 installed on the rear bottom of the swing module bed 210 protrudes to the support column flange 12 as a last resort. By stopping the final process by), it provides the optimal state for the stability and precise control of the swing motion.

In addition, the yawing module 100 according to the present invention for yawing the solar module 300 according to the altitude of the sun is a hinge axis of the first yawing lower bracket 130b 'bolted to both sides of the swing module bed (210). The vertical yaw sensor 133 is installed by the vertical yaw sensor 133 installed on the outer edge of the assembled first yaw bracket shaft 132, and if the electric program has a problem and the vertical angle continues, the primary safety As a result, the upper and lower yaw stop sensor 131b for detecting the upper and lower yaw stop sensor piece 131a provided on the hinge shaft of the first yaw bracket long shaft 131 provided in the first yaw lower bracket 130b, and stops, When the stop sensor is defective, the first yaw lower bracket 130b; 130b 'and the first yaw upper bracket 130a; 130a' stop mechanically. When the final descent, the through lure no longer descends, so it is operated at a precise and stable yaw angle.

The yaw operation is performed by the start of the screw jack geared motor 108 assembled in the screw jack body 101 of the yawing module 100, so that the length of the screw rod 102 in which the single screw shaft is built into the screw container 103 is fixed. To vary, the yaw of the solar cell module 300 is assembled to the top of the solar cell module frame 320 by the yaw axis of the first yawing lower bracket (130b; 130b ') bolted to both sides of the swing module bed (210). It is to be proceeded by the expansion and contraction of the screw rod 102 assembled to the second yawing bracket 140.

The yawing module 100 according to the present invention has a screw jack body installation bed 120 bolted to the swing module bed 210 and both ends of the 'a' type screw jack bed bracket 121 reinforced by a panel. The screw jack body 101 installed by the screw jack body support 105 hinged to the installed screw jack body support piece 111 is supported as stably as possible without left and right play.

Figure 1 is a yawing side view of the maximum standing angle in accordance with the present invention

Figure 2 is a yawing side view of the maximum horizontal angle state in accordance with the present invention

Figure 3 is a perspective view of the main portion of the photovoltaic device to which the tracking device of the present invention is applied

Figure 4 is a swing plan view showing the maximum rotation angle range in accordance with the present invention

5 is an exploded perspective view of FIG. 3.

Figure 6 is an enlarged exploded perspective view of the yawing module that is the main part of the present invention

Figure 7 is an enlarged exploded perspective view of the main swing module (swing module) of the present invention

※ Explanation of symbols for main parts of drawing

10: support pillar 11: wiring outlet

12: support column upper flange 12a: left wing stop bar

100: yawing module

   101: screw jack body 102: screw rod

   103: screw rod container 104: Java

   105: screw jack body support 106: screw jack body support bracket

   107: screw jack body shaft coupling 108: screw jack geared motor

   109: screw jack motor cover 110: screw jack motor support

   111: screw jack body support 112: screw jack body yaw axis

   120: screw jack body mounting bed 121: screw jack bed bracket

   130a; 130a ': first yaw upper bracket

   130b; 130b ': first yawing bracket

   131: Longitudinal axis of the first yawing bracket 131a: Upper and lower yaw stop sensor

   131b: Up and down yaw stop sensor 131c: Up and down yaw stop sensor bracket

   132: first yaw bracket axis

   133: up and down yaw sensor 133a: up and down yaw progress sensor bracket

   134: Left wing stop proximity switch 134a: Left wing stop proximity switch Bracket

   140: the second yawing bracket

200: swing module

   210: swing module bed 210a: bed wiring

   220: swing module tea bracket 230: swing module cover

   240: swing geared motor

   250a: Swing geared motor bracket 250b: Swing geared motor shaft coupling

   260: worm screw mounting stand 260a; 260a ': worm screw bearing block

   261: worm screw 262: worm screw shaft bearing

   270: slewing wheel bearing 280: worm gear

   280a: worm gear lower flange 290: left wing progress sensor

300: solar cell module

  310: solar cell 311: solar cell mounting stand

  312: Mounting assembly bolt 313: Solar cell assembly bolt

       320: solar cell module frame

Claims (1)

Fixing the upper pillar 12 of the support pillar having a left and right swing stop bar (12a) protruding part of the outer edge to the upper support pillar (10), The worm gear 280 and the worm gear lower flange 280a are sequentially assembled to the bottom surface of the slewing wheel bearing through the bolt holes formed in the outer circumferential row of the revolving wheel bearing 270 on the support column upper flange 12. However, bolt assembly of the swing module bed 210 to the inner circumferential rotor of the rotating wheel bearing, The worm screw mounting stand (260) and the swing geared motor bracket (250a) in a predetermined spaced state in the same line in the bolt assembly on the bottom side of the swing module bed, but the worm screw mounting stand (260) on one side The worm screw shaft bearing 262 is installed on the bent shaft bearing cover 260a ', and the worm gear 280 protrudes through the worm screw shaft bearing 262 embedded in the hollow worm screw shaft bearing cover 262a. After coupling the shaft end portion and the swing geared motor 240 shaft end bolted to one side of the swing geared motor bracket 250a to the swing gear shaft coupling 250b, the swing module is mounted outside the worm screw mounting stand 260. Assemble the T-bracket 220, the left and right swing forward sensor 290 is attached to the left and right swing forward sensor bracket (290a) on the rim screw mounting bracket 260 of the sealed worm screw shaft bearing cover (260a ') side. In conjunction with the outer worm gear outer shell, swing module protective cover (230 To form a swing module 200 assembled on the outer surface of the bottom, The 'a' type screw jack bed bracket 121 is fixed to both sides of a rectangular screw jack body installation bed 120 bolted to the rear surface of the swing module t bracket 220 installed at the swing module bed 210. In the middle of the panel reinforced with both ends of the screw jack bed bracket, the left and right swing stop proximity switch 134 is installed with the left and right swing stop proximity switch bracket 134a, and the screw jack bodies assembled on both sides of the lower side of the screw jack bed bracket 121 are assembled. Screws with brackets formed at the left and right bottom ends of the support piece 111 through the screw jack body yaw shaft 112 having the bushing 4a inserted therein and are flat washers 3a, spring nuts 2a and assembly bolts 1a. The hinge assembly of the jack body support 105, but the screw jack body assembly 105 is installed in the hinge vertically installed screw jack 102 vertically installed screw jack body 101 in the vertical direction And extend to one side of the screw jack body support 105 The screw jack geared motor 108 is installed on the screw jack motor support 110 which is mounted, and the screw jack body 101 is assembled by the shaft coupling 107, and the screw jack geared motor 108 on the screw jack motor support 110 is installed. ) Forms a yawing module 100 that is externally treated with a screw jack motor cover 109, The end of the screw rod 102 of the yawing module 100 is hinged to the second yawing bracket 140 bolted to the top of the solar cell frame 320 of the solar cell module 300, the screw jack body 101 The first yaw bracket (130a) is assembled to the first yaw bracket (131b) with a hinge axis of the first yaw bracket (131b) assembled to the swing module bed (210) opposite the installation point, and the first yaw bracket (130a) is assembled. Upper and lower yawing stop sensor 131b is attached to the outer edge of the yawing bracket long shaft 131 and the upper and lower yaw stop sensor 131b is attached to the swing module bed 210 adjacent to the upper and lower yaw stop sensor 131a. The stop sensor bracket 131c is installed, and the first yaw bracket bracket 132 is assembled with the first yaw bracket bracket 132 to the other first yaw lower bracket 130b 'by the hinge shaft, and the first yaw bracket The swing module bed 210 adjacent to the shaft 132 and the hinge shaft has a vertical yaw progress sensor bracket 133a having the vertical yaw sensor 133 attached thereto. Value, and a respective first phase yaw bracket installation (130a; 130a ') is a tracking device structure for solar power, characterized in that the bolt assembly in the middle of the solar cell frame 320 of the solar cell module 300.

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