Photovoltaic panel adjustment device based on LED streetlamp

Abstract

A photovoltaic panel adjustment device based on an LED streetlamp, comprising a mounting seat, a piezoelectric vibrator, a driving gear, a driven gear, a supporting seat, and a photovoltaic panel. The driving gear and the driven gear are both rotatably arranged on the mounting seat; the driving gear is meshed with the driven gear; the piezoelectric vibrator is fixedly mounted on the surface of the mounting seat; a vibration end of the piezoelectric vibrator is coupled with the surface of the driving gear; the traveling wave direction of the vibration end of the piezoelectric vibrator is parallel to the tangential direction of the driving gear at the position where the piezoelectric vibrator is located; the driven gear is transmittingly connected to the supporting seat; and the photovoltaic panel is fixedly mounted at the top end of the supporting seat. According to the photovoltaic panel adjustment device, the piezoelectric vibrator is mated with the gear transmission structure, so that the orientation of the photovoltaic panel is adjusted, the structure is simple, the adjustment precision is high, the electric energy consumption is low, and the photovoltaic panel adjustment device has a good application prospect.

Description

A photovoltaic panel adjustment device based on LED street lamps Technical Field

[0001] The present invention relates to the technical field of lighting equipment, and in particular to a photovoltaic panel adjustment device based on an LED street lamp. Background Art

[0002] LED street lights are road lighting equipment that uses LEDs as light sources. They are used to provide lighting for roads, access roads, highways, parking lots, sidewalks and other areas. Compared with traditional street lights, LED street lights are energy-efficient and have a long service life.

[0003] Photovoltaic LED street lights achieve energy conservation and emission reduction by integrating photovoltaic power generation equipment into LED street lights and performing photoelectric conversion during the day through photovoltaic panels. In order to maximize the use of light, photovoltaic panels usually need to be equipped with corresponding adjustment devices, and the attitude or position of the photovoltaic panels must be adjusted according to the control system so that they can adapt to the direction of light. In the existing technology, there is still a lot of room for improvement in the design of the adjustment structure of photovoltaic panels. For example, in the existing technology, conventional motors are usually used as driving components, and the position and direction of the photovoltaic panels are adjusted through a series of transmission structures. On the one hand, the motors consume a lot of power and are expensive, which is not conducive to the power management of photovoltaic LED street lights. On the other hand, the adjustment accuracy of ordinary motors is poor, and the direction of light changes slowly. Conventional motors cannot meet the high-frequency and high-precision adjustment requirements.

[0004] In view of this, providing a photovoltaic adjustment device with a more advanced structural design and high-precision direction adjustment function has become one of the technical problems that need to be solved urgently.

[0005] Summary of the Invention

[0006] In view of this, the present invention proposes a photovoltaic panel adjustment device based on LED street lamps, aiming to provide an adjustment device with a simple structure and low energy consumption during the adjustment process.

[0007] The technical solution of the present invention is achieved as follows: The present invention provides a photovoltaic panel adjustment device based on an LED street lamp, comprising: a mounting base, a piezoelectric vibrator, a driving gear, a driven gear, a support base and a photovoltaic panel, wherein the driving gear and the driven gear are both rotatably arranged on the mounting base, the driving gear and the driven gear are engaged with each other, the piezoelectric vibrator is fixedly mounted on the surface of the mounting base, the vibration end of the piezoelectric vibrator is coupled to the surface of the driving gear, the traveling wave direction of the vibration end of the piezoelectric vibrator is parallel to the tangent direction of the driving gear at its position, the driven gear is transmission-connected to the support base, and the photovoltaic panel is fixedly mounted on the top of the support base.

[0008] In some embodiments, an iron ring and an electromagnetic lock are further included. The iron ring is coaxially fixedly mounted on the surface of the driving gear, and the electromagnetic lock is fixedly mounted on the surface of the mounting seat. The electromagnetic lock is arranged opposite to the iron ring, and the electromagnetic lock can be selectively adsorbed on the surface of the iron ring.

[0009] In some embodiments, a plurality of abutting protrusions are provided in a circumferential array on a side of the iron ring close to the electromagnetic lock, and the abutting protrusions can selectively abut against the end of the electromagnetic lock along the rotation direction of the iron ring.

[0010] In some embodiments, a first rolling bearing is further included, the driving gear is an internal gear, the driving gear is coaxially fixed to the inner ring of the first rolling bearing, and the outer ring of the first rolling bearing is fixed to the surface of the mounting seat.

[0011] In some embodiments, it also includes a second rolling bearing and a rotating shaft, the outer ring of the second rolling bearing is fixedly mounted on the surface of the mounting seat, the rotating shaft passes through the inner ring of the second rolling bearing and is connected to the second rolling bearing key, one end of the rotating shaft is connected to the driven gear key, and the other end of the rotating shaft is fixedly connected to the side of the support seat away from the photovoltaic panel.

[0012] In some embodiments, an adjustable support member is further included, one end of the photovoltaic panel is rotatably connected to the edge of the support seat, and a side surface of the photovoltaic panel close to the top of the support seat is connected to the support seat through the adjustable support member.

[0013] In some embodiments, the adjustable support member includes a slider and a connecting rod. The slider is slidably installed on the top of the support seat, and the two ends of the connecting rod are hingedly connected to the side surface of the photovoltaic panel close to the top of the support seat and the surface of the slider.

[0014] In some embodiments, the adjustable support member also includes a guide screw and a nut, at least two nuts are threaded onto the guide screw, the guide screw passes through a slider, the slider can slide along the guide screw, the slider is arranged between two adjacent nuts, and the nuts can be supported on the opposite side surfaces of the slider.

[0015] In some embodiments, two guide rods are further included. The two guide rods are arranged in parallel on the top of the support seat, and both guide rods pass through the slider.

[0016] In some embodiments, the number of connecting rods is at least two, and the multiple connecting rods are arranged in parallel.

[0017] The photovoltaic panel adjustment device based on LED street lamps of the present invention has the following advantages over the prior art:

[0018] The photovoltaic panel adjustment device of the present invention adopts a piezoelectric vibrator as a driving structure, and uses the vibration of the piezoelectric vibrator to generate a walking standing wave, thereby driving the driving gear to rotate, and cooperates with the gear transmission to realize the rotational drive of the support base, thereby changing the orientation of the photovoltaic panel. Compared with the conventional motor drive structure, the driving structure of the piezoelectric vibrator is simpler and easier to install and maintain. Secondly, this driving method can achieve high-precision rotation angle adjustment, and has lower equipment cost than the high-precision adjustment of the motor. In addition, this structure has low energy consumption, which can significantly reduce unnecessary energy consumption for LED street lights that generate electricity through photovoltaic power. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] FIG1 is an axonometric view of a photovoltaic panel adjustment device based on an LED street lamp according to the present invention;

[0021] FIG2 is an exploded view of a photovoltaic panel adjustment device based on an LED street lamp according to the present invention;

[0022] FIG3 is a front cross-sectional view of a photovoltaic panel adjustment device based on an LED street lamp according to the present invention;

[0023] FIG4 is an axonometric view of the photovoltaic panel and the support base of the photovoltaic panel adjustment device based on LED street lamps of the present invention;

[0024] FIG5 is a bottom-up isometric view of a photovoltaic panel adjustment device based on an LED street lamp according to the present invention;

[0025] FIG6 is a bottom-up isometric view of a photovoltaic panel adjustment device based on an LED street lamp according to the present invention;

[0026] FIG7 is an axonometric view of the iron ring in the photovoltaic panel adjustment device based on LED street lamps of the present invention.

[0027] In the figure: 1-mounting base, 2-piezoelectric vibrator, 3-driving gear, 4-driven gear, 5-support base, 6-photovoltaic panel, 7-iron ring, 8-electromagnetic lock, 9-first rolling bearing, 10-second rolling bearing, 11-rotating shaft, 12-adjustable support member, 71-holding protrusion, 121-slider, 122-connecting rod, 123-lead screw, 124-nut, 125-guide rod. DETAILED DESCRIPTION

[0028] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present invention belong. If the definitions set forth in this section are contrary to or otherwise inconsistent with definitions set forth in the patents, patent applications, published patent applications, and other publications incorporated herein by reference, the definitions listed in this section take precedence over the definitions incorporated herein by reference.

[0033] As shown in FIG1 , in conjunction with FIG2-7 , the photovoltaic panel adjustment device based on an LED street lamp of the present invention is mounted on the top or side of the top of a photovoltaic LED street lamp. In one feasible exemplary embodiment, the device comprises: a mounting base 1, a piezoelectric vibrator 2, a driving gear 3, a driven gear 4, a support base 5, and a photovoltaic panel 6. The mounting base 1 is a cavity structure, the driving gear 3 and the driven gear 4 are both rotatably arranged in the mounting base 1, the driving gear 3 meshes with the driven gear 4, the piezoelectric vibrator 2 is fixed to the mounting base 1, and the vibrating end of the piezoelectric vibrator 2 is coupled to the circumferential side of the driving gear 3. When vibrating, the vibrating end of the piezoelectric vibrator 2 generates a walking standing wave, and the propagation direction of the walking standing wave is parallel or approximately parallel to the tangent direction of the driving gear 3 at its coupling position. The support base 5 is arranged on the outside of the mounting base 1, and the rotating shaft of the driven gear 4 is in transmission connection with the support base 5. The rotation of the driven gear 4 drives the support base 5 to rotate. The photovoltaic panel 6 is arranged on the top surface of the support base 5. The rotation of the support base 5 drives the photovoltaic panel 6 to rotate to achieve the purpose of adjustment.

[0034] In the above embodiment, the piezoelectric vibrator 2 used includes two rows of piezoelectric ceramics and corresponding electrodes arranged in a linear array. Sinusoidal alternating current is passed through the two rows of electrodes, and the phase difference between the two rows of electrodes is 90°. The piezoelectric ceramics vibrate under the drive of the sinusoidal alternating current. Due to the linear array arrangement, the piezoelectric ceramics in the same row generate sinusoidal standing waves under voltage drive. The two rows of parallel sinusoidal standing waves with a 90° phase difference are merged to form a walking standing wave. By coupling one end of the piezoelectric ceramic principle electrode with the surface of the driving gear 3, the driving gear 3 is driven to rotate. The piezoelectric vibrator 2 can use the piezoelectric actuator of a commercially available camera.

[0035] The above embodiment has a simple structure, and drives the driving gear 3 to rotate by the piezoelectric vibrator 2, which has the advantages of low energy consumption and high precision. Compared with the conventional motor drive system, it has a simpler structure, lower cost and higher driving precision.

[0036] In some embodiments, an iron ring 7 and an electromagnetic lock 8 are also included. The iron ring 7 is coaxially fixedly mounted on the surface of the driving gear 3, and the electromagnetic lock 8 is fixedly mounted on the surface of the mounting base 1. The electromagnetic lock 8 is arranged opposite to the iron ring 7, and the electromagnetic lock 8 can be selectively adsorbed on the surface of the iron ring 7.

[0037] In the above embodiment, an electromagnetic lock 8 and an iron ring 7 are used in combination to lock the angle of the driving gear 3. Since the angle of the driving gear 3 cannot be locked when the piezoelectric vibrator 2 drives the driving gear 3, the electromagnetic lock 8 is provided to cooperate with the iron ring 7 to lock the angle of the driving gear 3, thereby maintaining the position lock of the photovoltaic panel 6.

[0038] In the above embodiment, the piezoelectric vibrator 2 is coupled and driven to the position of the driving gear 3 where the iron ring 7 is not provided.

[0039] In some embodiments, a plurality of abutting protrusions 71 are arranged in a circumferential array on one side of the iron ring 7 close to the electromagnetic lock 8 . The abutting protrusions 71 can selectively abut against the end of the electromagnetic lock 8 along the rotation direction of the iron ring 7 .

[0040] In the above embodiment, the abutting protrusion 71 is used to limit the position to prevent the driving gear 3 from drifting and rotating when the magnetic locking effect of the electromagnetic lock 8 is insufficient to resist the external force. It should be understood that when the angle locking is required after the driving gear 3 is driven to rotate, the abutting protrusion 71 is located on the side of the electromagnetic lock 8 and will not directly face the electromagnetic lock 8.

[0041] In some embodiments, a first rolling bearing 9 is further included, the driving gear 3 is an internal gear, the driving gear 3 is coaxially fixed to the inner ring of the first rolling bearing 9, and the outer ring of the first rolling bearing 9 is fixed to the surface of the mounting seat 1.

[0042] In the above embodiment, the driving gear 3 uses an internal gear, which effectively improves the torque ratio and helps reduce the size of the device. Since the piezoelectric vibrator 2 is relatively lacking in driving force, to avoid this drawback, a larger driving gear 3 and a smaller driven gear 4 are considered to increase torque. Using an internal gear as the driving gear 3 effectively avoids the problem of oversizing. Secondly, internal gears offer excellent low-noise operation and low rotational inertia. Since the piezoelectric vibrator 2 and driving gear 3 are coupled, the rotational inertia of the driving gear 3 may wear the piezoelectric vibrator 2, affecting its service life. Using an internal gear can reduce this wear to a certain extent.

[0043] In some embodiments, it also includes a second rolling bearing 10 and a rotating shaft 11. The outer ring of the second rolling bearing 10 is fixedly mounted on the surface of the mounting seat 1. The rotating shaft 11 passes through the inner ring of the second rolling bearing 10 and is key-connected to the second rolling bearing 10. One end of the rotating shaft 11 is key-connected to the driven gear 4, and the other end of the rotating shaft 11 is fixedly connected to the side of the support seat 5 away from the photovoltaic panel 6.

[0044] In the above embodiment, the driven gear 4 and the support base 5 are fixedly connected via the rotating shaft 11, and the rotating shaft 11 is mounted on the mounting base 1 via the second rolling bearing 10. The second rolling bearing 10 can be a sealed bearing, so that the piezoelectric vibrator 2, the driving gear 3, and the driven gear 4 can all be arranged on the inner side of the mounting base 1, thereby playing a good protective role.

[0045] In some embodiments, an adjustable support member 12 is also included, one end of the photovoltaic panel 6 is rotatably connected to the edge of the support seat 5, and the side surface of the photovoltaic panel 6 close to the top of the support seat 5 is connected to the support seat 5 through the adjustable support member 12.

[0046] In the above embodiment, the photovoltaic panel 6 is hingedly connected to the support seat 5 through a hinge. The photovoltaic panel 6 can be flipped around the hinge relative to the support seat 5 to achieve angle adjustment. The hinge axis and the rotation axis 11 are perpendicular to each other, and the adjustable support member 12 is used to maintain the stable angle between the photovoltaic panel 6 and the support seat 5.

[0047] In some embodiments, the adjustable support member 12 includes a slider 121 and a connecting rod 122. The slider 121 is slidably installed on the top of the support seat 5, and the two ends of the connecting rod 122 are hingedly connected to the side surface of the photovoltaic panel 6 close to the top of the support seat 5 and the surface of the slider 121.

[0048] In the above embodiment, the slider 121 can slide relative to the surface of the support seat 5 along the direction perpendicular to the rotation axis of the hinge. During the sliding process, the angle of the photovoltaic panel 6 relative to the support seat 5 is changed through the hinge action of the connecting rod 122. During the sliding process, the above slider 121 can be selectively fixed in position to maintain the stability of the angle of the photovoltaic panel 6.

[0049] In some embodiments, the adjustable support member 12 also includes a guide screw 123 and a nut 124, at least two nuts 124 are screwed onto the guide screw 123, the guide screw 123 passes through the slider 121, the slider 121 can slide along the guide screw 123, the slider 121 is arranged between two adjacent nuts 124, and the nuts 124 can be supported on the opposite side surfaces of the slider 121.

[0050] In the above embodiment, as a feasible exemplary structure in which the position of the slider 121 can be fixed, the slider 121 slides on the guide screw 123, the length direction of the guide screw 123 is perpendicular to the rotating axis of the hinge, and a nut 124 is also threadedly provided on the guide screw 123. By changing the position of the nut 124 on the guide screw 123, the position of the slider 121 can be limited, and the nut 124 can be abutted against the surface of the slider 121. When the two nuts 124 abut at the same time, the position of the slider 121 can be locked.

[0051] In some embodiments, two guide rods 125 are further included. The two guide rods 125 are arranged in parallel on the top of the support seat 5, and both guide rods 125 are arranged to pass through the slider 121.

[0052] In the above embodiment, in order to achieve stability in the sliding process and the posture of the slider 121 , two guide rods 125 are further provided to limit the sliding direction of the slider 121 . The guide rods 125 are parallel to the lead screw 123 .

[0053] In some embodiments, the number of the connecting rods 122 is at least two, and the multiple connecting rods 122 are arranged in parallel.

[0054] In the above embodiment, the multiple connecting rods 122 can provide more supporting points for the photovoltaic panel 6 , thereby further improving the stability of the photovoltaic panel 6 .

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A photovoltaic panel adjustment device based on LED street lamps, characterized in that: include: A mounting seat, a piezoelectric vibrator, a driving gear, a driven gear, a support seat and a photovoltaic panel, wherein the driving gear and the driven gear are both rotatably arranged on the mounting seat, the driving gear and the driven gear are meshed with each other, the piezoelectric vibrator is fixedly mounted on the surface of the mounting seat, the vibration end of the piezoelectric vibrator is coupled with the surface of the driving gear, the traveling wave direction of the vibration end of the piezoelectric vibrator is parallel to the tangent direction of the driving gear at its position, the driven gear is transmission-connected to the support seat, and the photovoltaic panel is fixedly mounted on the top of the support seat.

2. The photovoltaic panel adjustment device based on LED street lamp according to claim 1, characterized in that: It also includes an iron ring and an electromagnetic lock. The iron ring is coaxially fixedly installed on the surface of the driving gear, the electromagnetic lock is fixedly installed on the surface of the mounting seat, the electromagnetic lock is arranged opposite to the iron ring, and the electromagnetic lock can be selectively adsorbed on the surface of the iron ring.

3. The photovoltaic panel adjustment device based on LED street lamp as claimed in claim 2, characterized in that: A plurality of abutting protrusions are arranged in a circumferential array on one side of the iron ring close to the electromagnetic lock, and the abutting protrusions can selectively abut against the end of the electromagnetic lock along the rotation direction of the iron ring.

4. The photovoltaic panel adjustment device based on LED street lamp according to claim 1, characterized in that: It also includes a first rolling bearing, the driving gear is an internal gear, the driving gear is coaxially fixed to the inner ring of the first rolling bearing, and the outer ring of the first rolling bearing is fixed to the surface of the mounting seat.

5. The photovoltaic panel adjustment device based on LED street lamp as claimed in claim 1, characterized in that: It also includes a second rolling bearing and a rotating shaft. The outer ring of the second rolling bearing is fixedly mounted on the surface of the mounting seat. The rotating shaft passes through the inner ring of the second rolling bearing and is connected to the second rolling bearing key. One end of the rotating shaft is connected to the driven gear key, and the other end of the rotating shaft is fixedly connected to a side of the support seat away from the photovoltaic panel.

6. The photovoltaic panel adjustment device based on LED street lamp as claimed in claim 1, characterized in that: It also includes an adjustable support member, one end of the photovoltaic panel is rotatably connected to the edge of the support seat, and a side surface of the photovoltaic panel close to the top of the support seat is connected to the support seat through the adjustable support member.

7. The photovoltaic panel adjustment device based on LED street lamp as claimed in claim 6, characterized in that: The adjustable support member includes a slider and a connecting rod. The slider is slidably installed on the top of the support seat. The two ends of the connecting rod are respectively hinged to a side surface of the photovoltaic panel close to the top of the support seat and a surface of the slider.

8. The photovoltaic panel adjustment device based on LED street lamp as claimed in claim 7, characterized in that: The adjustable support also includes a guide screw and a nut, at least two nuts are threaded on the guide screw, the guide screw passes through a slider, the slider can slide along the guide screw, the slider is arranged between two adjacent nuts, and the nuts can be supported on the opposite side surfaces of the slider.

9. The photovoltaic panel adjustment device based on LED street lamp according to claim 7, characterized in that: It also includes two guide rods, which are arranged in parallel on the top of the support seat and are both arranged through the sliding block.

10. The photovoltaic panel adjustment device based on LED street lamp according to claim 7, characterized in that: The number of the connecting rods is at least two, and the multiple connecting rods are arranged in parallel.

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