CN113093815A - Roof multi-point driving tracking system - Google Patents

Abstract

The invention discloses a roof multipoint driving tracking system which comprises a photovoltaic module, a supporting and fixing frame and a deformation frame which is arranged on the back of the supporting and fixing frame and can rotate at an adjustable angle relative to the photovoltaic module, wherein the deformation frame is provided with an oblique angle piece, a sliding groove and a support rod with a roller wheel, an electric push rod mechanism is arranged on at least one deformation frame, the electric push rod mechanism is in communication connection with a controller, and the driving end of the electric push rod mechanism is hinged with the support rod. According to the scheme, the photovoltaic tracking is realized through the communication cooperation of the bevel piece, the electric push rod mechanism and the controller, the continuous adjustment of the center of gravity of the support is realized in the movement range of the photovoltaic tracking, the angular windward effect is realized at the limit position, the risk of wind-induced resonance is reduced, and the wind resistance of the structure is improved.

Description

Roof multi-point driving tracking system

Technical Field

The invention relates to the technical field of new energy equipment, in particular to a roof multipoint driving tracking system.

Background

At present, most roof photovoltaic systems on the market are composed of photovoltaic modules, supporting and fixing frames and other components, and cannot automatically track light rays to realize angle adjustment. In addition, the traditional roof photovoltaic system also has the technical problems of poor wind resistance and stability, lack of hard limit, inconvenience in installation and the like.

Disclosure of Invention

It is an object of the present invention to provide a roof multipoint drive tracking system that solves at least one of the above mentioned technical problems.

In order to achieve the purpose, the invention provides a roof multipoint driving tracking system which comprises a photovoltaic module, a supporting and fixing frame and a deformation frame, wherein the supporting and fixing frame is fixedly arranged on the back of the photovoltaic module; and an electric push rod mechanism is arranged on at least one of the deformation frames, the electric push rod mechanism is in communication connection with the controller, and the driving end of the electric push rod mechanism is hinged with the support rod.

Preferably, the supporting and supporting fixing frame comprises a middle pressing strip arranged on each splicing surface of the photovoltaic module, side pressing strips respectively arranged on outer frames on two sides of the photovoltaic module, an upper purline and a lower purline which are used for transversely fixing the photovoltaic module, and a plurality of oblique beams fixedly connected between the upper purline and the lower purline, wherein one end of each supporting rod departing from the roller is fixedly arranged on the oblique beams.

Preferably, the deformation frame further comprises a hinge joint, a swing beam and a column base, wherein the hinge joint, the swing beam and the column base are connected through hinge joint, the first end of the swing beam is fixedly connected with the hinge joint, and the swing beam deviates from the second end of the first end and is hinged to the column base.

Preferably, the electric push rod mechanism comprises a motor, a speed reducer and a telescopic rod;

the speed reducer comprises a gear box, a speed reducer worm wheel coaxially connected with an output shaft of the motor, roller bearings and a sealing cover, wherein two sides of the shaft end of the speed reducer worm wheel are arranged in a groove of the gear box through a pair of roller bearings, two ends of the speed reducer worm wheel are arranged in the gear box through another pair of roller bearings, and the speed reducer worm wheel is meshed with the worm;

the telescopic rod comprises two fixed frame end covers, a fixed frame supporting rod, a static pressure worm bearing, a static pressure worm which coaxially rotates with the worm wheel of the speed reducer, a worm-nut strip, a grating strip which is arranged in a groove of the worm-nut strip, a worm-nut strip sliding bearing, a grating displacement sensor used for reading the moving displacement of a grating, a sensor mounting seat used for mounting the grating displacement sensor, a protective cylinder, a connecting rod, a countersunk head bolt and two universal heads which are respectively hinged to the supporting rod and the column base; the two fixing frame end covers are fixedly connected with the fixing frame supporting rod through the protection cylinder, and the static pressure worm bearing and the hole of the worm female strip sliding bearing penetrate through the fixing frame supporting rod and are fixed on the protection cylinder.

Preferably, the hinge point of the universal head hinged to the stay bar is located on the central axis of the roller, and the connecting line of the hinge points at the two ends of the telescopic bar is located in the motion plane of the roller.

Preferably, the motor is in communication with the controller.

Preferably, the cable of the grating displacement sensor passes through the mounting hole of the protective barrel and is connected to the controller along the outer wall of the protective barrel and the motor cable.

According to the multi-point driving tracking system for the roof, the controller controls the electric push rod mechanism to act, so that the support rod is driven to move along the sliding groove, the center of gravity of the support is adjusted, the movement range of photovoltaic tracking is determined, and the photovoltaic tracking function is realized; the oblique angle spare of the deformation frame in this application is from taking the angle, and the support focus falls to minimumly when guaranteeing the support motion to extreme position, improves the stability of system, and photovoltaic module constitutes the contained angle with horizontal installation face this moment, has acted as the effect of spoiler and deep bead, realizes having the angle windward, has reduced the risk that the resonance takes place is swashed to the wind, improves the wind resistance performance of structure. Therefore, the tracking system is simple in structure, convenient to install, stable in support and capable of achieving angle adjustment and strong wind protection functions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a multi-point drive tracking system for a roof according to the present invention;

FIG. 2 is a schematic view of the assembly of the deformation bracket and the power pushrod mechanism of FIG. 1;

fig. 3 to 6 are schematic diagrams illustrating an angle adjustment process of the photovoltaic module driven by the push rod;

FIG. 7 is a schematic structural view of the electric putter mechanism of FIG. 2;

fig. 8 is an exploded view of fig. 7.

Wherein the content of the first and second substances,

1-a photovoltaic module, 2-a support fixing frame, 3-a deformation frame and 4-an electric push rod mechanism;

21-middle pressing strips, 22-side pressing strips, 23-upper purlines, 24-lower purlines and 25-oblique beams;

31-bevel angle piece, 32-chute, 33-brace rod, 34-hinge joint, 35-swing beam, 36-column base, 37-roller;

41-motor, 42-telescopic rod, 43-gear box, 44-reducer worm wheel, 45-roller bearing, 46-sealing cover and 47-worm;

421-a fixed frame end cover, 422-a fixed frame support rod, 423-a static pressure worm bearing, 424-a static pressure worm, 425-a worm-nut strip, 426-a grid strip, 427-a worm-nut strip sliding bearing, 428-a grating displacement sensor, 429-a sensor mounting seat, 430-a protective cylinder, 431-a connecting rod, 432-a countersunk head bolt and 433-a universal head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, fig. 1 is a schematic structural diagram of a multi-point driving tracking system for a roof according to the present invention; FIG. 2 is a schematic view of the assembly of the deformation bracket and the power pushrod mechanism of FIG. 1; fig. 3 to 6 are schematic diagrams illustrating an angle adjustment process of the photovoltaic module driven by the push rod; FIG. 7 is a schematic structural view of the electric putter mechanism of FIG. 2; fig. 8 is an exploded view of fig. 7.

The invention provides a roof multipoint driving tracking system which mainly comprises a photovoltaic module 1, a supporting fixing frame 2, a deformation frame 3 and an electric push rod mechanism 4, wherein the supporting fixing frame 2 is fixedly arranged on the back of the photovoltaic module 1 and is used for fixedly connecting all the photovoltaic modules 1, the number of the deformation frames 3 is at least one, and can be two or more, and the deformation frames 3 are fixedly arranged on the supporting fixing frame 2, referring to the figures 1 and 2. The fixing modes of the supporting fixing frame 2 and the deformation frame 3 can be fixing by fasteners such as screws or welding.

The deformation frame 3 is provided with a bevel angle piece 31, a sliding groove 32 and a supporting rod 33, one end of the supporting rod 33 is fixedly provided with the bevel angle piece 31 and is installed on the supporting and fixing frame 2 through the bevel angle piece 31, the bevel angle piece 31 is provided with a bevel angle, an installation part and a supporting part are arranged, the installation part is sleeved on the supporting rod 33, and the supporting part is provided with a bevel to be connected with the supporting and fixing frame 2; the other end of portion vaulting pole 33 is equipped with gyro wheel 37, spout 32 both ends respectively through two bolt fastening on the basis, spout 32 is C type groove, the cell body internal diameter is greater than vaulting pole 33's external diameter, the lower part of vaulting pole 33 is articulated with gyro wheel 37, two end caps at spout 32 side utilize the bolt fastening in the both ends of spout 32 for inject the motion range of vaulting pole 33 lower part pin joint, the roll range of gyro wheel 37 has been injectd simultaneously, vaulting pole 33 drives gyro wheel 37 and slides and rotate in spout 32.

Be provided with electric putter mechanism 4 on at least one deformation frame 3, the drive end of electric putter mechanism 4 articulates and connects vaulting pole 33, electric putter mechanism 4 is connected with external control ware communication, controller communication and control electric putter mechanism 4 to supply power to electric putter mechanism 4, electric putter mechanism 4 detects displacement information and feeds back the displacement information that detects to the controller, the controller passes through 4 drive time of closed-loop control electric putter mechanism, parameters such as speed, realizes that the high accuracy is flexible.

This application has guaranteed through the electric putter mechanism 4 of being connected with the controller communication that roof multiple spot drive tracker realizes photovoltaic tracking in predetermineeing the angular range, in this process, the support focus is adjustable in succession, the support focus is located the lowest department near ground when guaranteeing to prop the motion of mount 2 to the extreme point, photovoltaic module 1 constitutes the contained angle with the horizontal plane when changing 3 upward sloping angle pieces 31 of shelf setting and making extreme position, realize the angle windward, photovoltaic module 1 is in the anti-wind state of strong wind protection, the structural performance of support is utilized to the maximize, the emergence of wind-induced resonance etc. has been reduced, the wind resistance performance of structure has been improved.

Referring to fig. 3 to 6, schematic diagrams of an angle adjustment process of the photovoltaic module driven by the push rod are shown. In fig. 3, the oblique angle support makes the photovoltaic module 1 form an initial angle with the support plane, and at this time, the roller 37 is located at the end of the stroke of the chute 32, and the photovoltaic module 1 is facing the wind at an angle; the electric push rod mechanism 4 drives the deformation frame 3, the roller 37 moves to the position shown in fig. 4 and 5 along the sliding chute 32 continuously until the roller moves to the other stroke end of the sliding chute 32, as shown in fig. 6, in the process, the dynamic angle of the photovoltaic module 1 is set by the preset functional relationship, and the photovoltaic angle can be continuously and dynamically changed in the limit interval. The angular adjustment action of the photovoltaic module 1 may be the inverse of the process described above.

The number of the electric push rod mechanisms 4 can be one or more, and one or more electric push rod mechanisms 4 are used according to different requirements to further improve the wind resistance of the structure.

Refer to fig. 7 and 8. Specifically, the electric push rod mechanism 4 includes a motor 41, a speed reducer and an expansion link 42, wherein the speed reducer includes a gear box 43, a speed reducer worm wheel 44, a worm 47, a roller bearing 45 and a sealing cover 46, the speed reducer worm wheel 44 is coaxially connected with an output shaft of the motor 41, two sides of an axial end of the speed reducer worm wheel 44 are mounted in a groove of the gear box 43 through a pair of roller bearings 45, two ends of the speed reducer worm wheel 44 are mounted on the gear box 43 through another pair of roller bearings 45, and the speed reducer worm wheel 44 is meshed with the worm 47. The motor 41 is in communication with the controller.

The telescopic rod 42 comprises two fixed frame end covers 421, a fixed frame support rod 422, a static pressure worm bearing 423, a static pressure worm 424, a worm gear strip 425, a worm gear strip sliding bearing 427, a grid strip 426, a grating displacement sensor 428, a sensor mounting seat 429, a protective cylinder 430, a connecting rod 431, a countersunk head bolt 432 and two universal heads 433.

The telescopic rod 42 and the reducer share one roller bearing 45. The static pressure worm 424 and the reducer worm wheel 44 rotate coaxially, for example, the two may be connected by a coupling; the grating strips 426 are arranged in the grooves of the worm strips 425, the grating displacement sensor 428 is used for reading grating displacement, the grating sensor is arranged on the sensor mounting seat 429, and after the grating displacement sensor 428 is arranged on the upper portion of the grating and used for reading grating data.

The two universal heads 433 are respectively hinged to the supporting rod 33 and the column base 36, and the other ends of the universal heads 433 are fixed on the gear box 43 and are fixed in the center of one side of the gear box 43; the other end of the other universal head 433 is fixed to the connecting rod 431.

The two fixing frame end covers 421 are connected and fixed through the protecting cylinder 430 and the fixing frame support rods 422, the holes of the static pressure worm bearing 423 and the worm-nut sliding bearing 427 penetrate through the fixing frame support rods 422 and are fixed on the protecting cylinder 430, and the fixing frame support rods 422 play a role in increasing strength.

One end of the worm strip 425 is fixed on the fixing frame end cover 421, the other end of the worm strip is fixed through the countersunk head bolt 432 and the connecting rod 431, and the worm strip 425 penetrates through the fixing frame end cover 421 at the tail part to the inside of the protective cylinder 430.

In the present embodiment, the hydrostatic worm 424 drive in combination with the grating displacement sensor 428 enables high precision movement and control of the electric putter mechanism 4.

In a specific embodiment, the bracing fixing frame 2 comprises a plurality of middle pressing strips 21, edge pressing strips 22, an upper purline 23, a lower purline 24 and a plurality of inclined beams 25, each middle pressing strip 21 is installed on each splicing surface of the photovoltaic assembly 1 through a bolt, the edge pressing strips 22 are installed on outer frames at two sides of the photovoltaic assembly 1, the upper purline 23 and the lower purline 24 are transversely fixed on the photovoltaic assembly 1, the plurality of inclined beams 25 are vertically arranged between the upper purline 23 and the lower purline 24 and are used for being fixedly connected with the upper purline 23 and the lower purline 24, and one end of each support rod 33 departing from the roller 37 is fixedly installed on the inclined beams 25. Therefore, a stable supporting and mounting structure is formed, and the mounting is firm and stable.

The deformation frame 3 comprises a hinge joint 34, a swing beam 35 and a column base 36, wherein the hinge joint 34 is connected with the stay 33 in a hinged mode, the first end of the swing beam 35 is fixedly connected with the hinge joint 34, the second end, away from the first end, of the swing beam 35 is connected with the column base 36 in a hinged mode, the swing beam 35 is fixedly connected with the hinge joint 34, the other end of the swing beam 35 is hinged with the column base 36, and the hinge joint 34 is hinged with the stay 33.

When the electric push rod mechanism 4 operates, the controller drives the motor 41 to rotate according to an internal preset control algorithm, the motor 41 drives the speed reducer to rotate, the speed reducer worm wheel 44 drives the static pressure worm 424 to rotate, the static pressure worm 424 drives the worm mother strip 425 to linearly slide, the worm mother strip 425 drives the tail end universal head 433 to linearly move through the connecting piece, in the process, the moving distance of the worm mother strip 425 is the same as the moving distance of the universal head 433, the worm mother strip 425 drives the grating to move, and the grating displacement sensor 428 reads a grating moving displacement value, namely the stretching length of the electric push rod mechanism 4. The grating displacement sensor 428 feeds the acquired displacement information back to the controller, and then high-precision extension and retraction of the electric push rod are realized through closed-loop feedback control.

The hinge point of the hinged connection of the universal head 433 and the stay bar 33 is a spherical hinge, the hinge point of the hinged connection of the universal head 433 and the stay bar 33 is located on the central axis of the roller 37, the connecting line of the hinge points at the two ends of the telescopic bar 42 is located in the motion plane of the roller 37, and the telescopic bar 42 stretches and retracts to drive the hinge point at the lower part of the stay bar 33 to move along the sliding groove 32.

The cable of the grating displacement sensor 428 penetrates through the mounting hole of the protective cylinder 430 and is connected to the controller along the outer wall of the protective cylinder 430 and the cable of the motor 41, so that the cable is prevented from being exposed, and the appearance of the system is tidy and attractive.

It should be noted that in the description of the present invention, the directions or positional relationships indicated by "upper and lower" and "top and bottom" are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but not for limiting the elements or parts referred to must have specific directions, and thus, the present invention is not to be construed as being limited. Furthermore, in the present specification, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The multi-point driving tracking system for the roof provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (7)

1. A multi-point driving tracking system for a roof comprises a photovoltaic module (1) and a supporting fixing frame (2), and is characterized in that the supporting fixing frame (2) is fixedly installed on the back of the photovoltaic module (1), the multi-point driving tracking system further comprises a deformation frame (3) which is fixedly installed on the supporting fixing frame (2) and is adjustable in rotation angle relative to the photovoltaic module (1), the deformation frame (3) is provided with an oblique angle piece (31), a sliding groove (32) and a supporting rod (33) with a roller (37), and the roller (37) can slide and roll relative to the sliding groove (32); at least one electric putter mechanism (4) is installed on the deformation frame (3), the electric putter mechanism (4) is connected with the controller in a communication mode, and the driving end of the electric putter mechanism (4) is hinged to the support rod (33).

2. The roof multipoint driving tracking system according to claim 1, characterized in that the bracing fixing frame (2) comprises a middle pressing bar (21) installed on each splicing surface of the photovoltaic module (1), side pressing bars (22) respectively installed on outer frames on two sides of the photovoltaic module (1), an upper purline (23) transversely fixing the photovoltaic module (1), a lower purline (24), and a plurality of oblique beams (25) fixedly connected between the upper purline (23) and the lower purline (24), wherein one end of the bracing rod (33) departing from the roller (37) is fixedly installed on the oblique beams (25).

3. The roof multipoint drive tracking system according to claim 2, characterized in that the deformation frame (3) further comprises a hinge joint (34) hingedly connecting the stay (33), a swing beam (35) and a column shoe (36), a first end of the swing beam (35) being fixedly connected to the hinge joint (34), a second end of the swing beam (35) facing away from the first end being hinged to the column shoe (36).

4. The roof multipoint drive tracking system according to claim 3, characterized in that said electric push rod mechanism (4) comprises a motor (41), a reducer and a telescopic rod (42);

the speed reducer comprises a gear box (43), a speed reducer worm wheel (44) coaxially connected with an output shaft of the motor (41), a worm (47), roller bearings (45) and a sealing cover (46), two sides of the shaft end of the speed reducer worm wheel (44) are mounted in a groove of the gear box (43) through a pair of roller bearings (45), two ends of the speed reducer worm wheel (44) are mounted on the gear box (43) through a pair of roller bearings (45), and the speed reducer worm wheel (44) is meshed with the worm (47);

the telescopic rod (42) comprises two fixed frame end covers (421), a fixed frame support rod (422), a static pressure worm bearing (423), a static pressure worm (424) which coaxially rotates with the speed reducer worm wheel (44), a worm nut strip (425), grid strips (426) arranged in a groove of the worm nut strip (425), a worm nut strip sliding bearing (427), a grating displacement sensor (428) used for reading the moving displacement of a grating, a sensor mounting seat (429) used for mounting the grating displacement sensor (428), a protective cylinder (430), a connecting rod (431), a countersunk head bolt (432) and two universal heads (433) which are respectively hinged to the support rod (33) and the column foot (36); the two fixing frame end covers (421) are fixedly connected with the fixing frame support rods (422) through the protection cylinder (430), and the static pressure worm bearing (423) and the holes of the worm-and-gear sliding bearing (427) penetrate through the fixing frame support rods (422) and are fixed on the protection cylinder (430).

5. The roof multipoint driving tracking system according to claim 4, characterized in that the hinge point of the universal head (433) hinged to the stay (33) is located on the central axis of the roller (37), and the connection line of the hinge points at the two ends of the telescopic rod (42) is located in the movement plane of the roller (37).

6. The roof multipoint drive tracking system according to claim 4 or 5, characterized in that said motor (41) is communicatively connected to a controller.

7. The rooftop multipoint drive tracking system of claim 6, wherein a cable of the grating displacement sensor (428) is routed through a mounting hole of the shield canister (430) along an outer wall of the shield canister (430) and the motor (41) cable to the controller.

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