A foldable solar photovoltaic panel

Abstract

The utility model provides a kind of folding solar photovoltaic panel, including two solar photovoltaic panels, the back of two solar photovoltaic panels is equipped with folding mechanism;The folding mechanism includes main support arm, upper support arm and lower support arm;The upper and lower sides of the main support arm are respectively connected with the upper support arm and lower support arm rotation by hinged axle connection.The utility model keeps fixed interval by folding mechanism after two solar photovoltaic panels are folded up, avoids direct contact between panel surface, forms stable support frame under the state of folding up, with good structural strength and rigidity, can withstand external pressure without deformation in the process of transportation and handling, and upper support arm and lower support arm outside are equipped with rubber pad, when photovoltaic panel is completely folded closed, rubber pad mutually adheres to form flexible buffer layer, so that solar photovoltaic panel has reliable interval support in folding state, and also has buffering protection effect.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic panel technology, and in particular to a foldable solar photovoltaic panel. Background Technology

[0002] Solar photovoltaic panels are widely used in outdoor power supply, mobile power supplies, and emergency power generation. To meet the needs of portable and temporary use, some photovoltaic panel products adopt a foldable structure, allowing multiple photovoltaic panels to be unfolded to receive sunlight when in use and folded together to reduce volume when stored.

[0003] However, in the current foldable solar photovoltaic panels, when folded and stowed, adjacent photovoltaic panels are usually directly or partially bonded together. During storage and transportation, the photovoltaic panels are prone to mutual wear and tear. When subjected to external pressure or vibration, the glass layer of the panel may be scratched or cracked, and the solar cells may also be damaged due to local stress concentration.

[0004] To address this, a foldable solar photovoltaic panel is proposed. Utility Model Content

[0005] In view of this, the present invention provides a foldable solar photovoltaic panel to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial alternative.

[0006] The technical solution of this utility model is implemented as follows: a foldable solar photovoltaic panel, comprising two solar photovoltaic panels, wherein a folding mechanism is installed on the back of the two solar photovoltaic panels;

[0007] The folding mechanism includes a main support arm, an upper support arm, and a lower support arm;

[0008] The upper and lower sides of the main support arm are rotatably connected to the upper support arm and the lower support arm respectively through hinge shafts. A fixed column is fixedly connected through and fixedly connected to the front side of the main support arm. Sliding sleeves are slidably sleeved on the outer walls of both sides of the fixed column. Fixed angle plates are fixedly connected to the outer walls of the two sliding sleeves respectively.

[0009] Limiting holes are provided on one side of the outer wall of the upper support arm and the lower support arm. Limiting shafts are fixedly connected to adjacent sides of the two fixed angle plates. The ends of the limiting shafts are inserted into and pass through the corresponding limiting holes, and their outer ends are threaded with positioning tubes.

[0010] The other ends of the two positioning tubes are respectively fixedly connected to U-shaped rods, the two U-shaped rods are arranged opposite each other, and their adjacent ends are threadedly connected to threaded tubes.

[0011] More preferably, both ends of the hinge shaft are provided with locking nuts, which are used to fix the rotation angle of the upper support arm and the lower support arm after the solar photovoltaic panel is unfolded or retracted.

[0012] More preferably, a handle is fixedly connected to the end of the fixed column, a damping spring is sleeved on the outer wall of the fixed column, and the adjacent sides of the sliding sleeve and the handle are respectively fixedly connected to the two ends of the damping spring.

[0013] More preferably, the upper support arm and the lower support arm are respectively fixedly connected to the opposite sides of the support longitudinal plate, and each of the support longitudinal plates is fixedly connected to the two sides of the support transverse plate.

[0014] Both the longitudinal and transverse support plates are fixedly connected to the back of the solar photovoltaic panel by screws.

[0015] More preferably, rubber pads are fixedly connected to the opposite sides of the two support plates on the upper and lower support arms. When the upper and lower support arms are folded and closed, the two rubber pads fit together to buffer the folding contact and prevent the surface of the solar photovoltaic panel from being damaged by collision.

[0016] The present invention has the following advantages due to the adoption of the above technical solution:

[0017] This invention uses a folding mechanism to maintain a fixed distance between two solar photovoltaic panels after folding, avoiding direct contact between the panels. The folding mechanism consists of a main support arm, an upper support arm, and a lower support arm, forming a stable support frame in the folded state. It has good structural strength and rigidity, and can withstand external pressure without deformation during transportation and handling. Furthermore, rubber pads are provided on the outer sides of the upper and lower support arms. When the photovoltaic panels are fully folded and closed, the rubber pads adhere to each other to form a flexible buffer layer, which is used to absorb minor vibrations and impact energy, preventing the edges of the glass panels from being damaged by force or friction. This allows the solar photovoltaic panels to have both reliable spacing support and buffer protection in the folded state.

[0018] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1This is a structural diagram of the present invention;

[0021] Figure 2 This is a structural diagram of the supporting cross plate and rubber pad of this utility model;

[0022] Figure 3 This is a folding structure diagram of the folding mechanism of this utility model;

[0023] Figure 4 This is a diagram showing the split structure of the folding mechanism of this utility model;

[0024] Figure 5 This is a diagram showing the unfolded structure of the folding mechanism of this utility model;

[0025] Figure 6 This is a structural diagram of the damping spring and sliding sleeve of this utility model.

[0026] Figure descriptions: 10. Solar photovoltaic panel; 20. Folding mechanism; 21. Main support arm; 22. Upper support arm; 23. Lower support arm; 24. Fixed angle plate; 25. Limiting shaft; 26. Limiting hole; 27. Positioning tube; 28. U-shaped rod; 29. ​​Threaded tube; 31. Fixed column; 32. Handle; 33. Damping spring; 34. Sliding sleeve; 41. Support longitudinal plate; 42. Support transverse plate; 43. Rubber pad. Detailed Implementation

[0027] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0028] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0029] like Figure 1-6 As shown, this utility model embodiment provides a foldable solar photovoltaic panel, including two solar photovoltaic panels 10. A folding mechanism 20 is installed on the back of the two solar photovoltaic panels 10. The folding mechanism 20 is used to form a stable support structure when the photovoltaic panel is unfolded and to achieve compact folding when it is folded, making it easy to carry and store.

[0030] The folding mechanism 20 includes a main support arm 21, an upper support arm 22, and a lower support arm 23. The upper and lower sides of the main support arm 21 are rotatably connected to the upper support arm 22 and the lower support arm 23 respectively via hinge shafts. A fixed post 31 is fixedly connected through and fixed to the front side of the main support arm 21. Sliding sleeves 34 are slidably fitted on the outer walls of both sides of the fixed post 31. Fixed angle plates 24 are fixedly connected to the outer walls of the two sliding sleeves 34 respectively. Through the cooperation of the fixed angle plates 24, the upper support arm 22 and the lower support arm 23 can be folded together. The support arm 23 is limited by a damping spring 33 on the outer wall of the fixed column 31. The end of the fixed column 31 is fixedly connected to a handle 32. The adjacent sides of the sliding sleeve 34 and the handle 32 are respectively fixedly connected to the two ends of the damping spring 33. After folding and closing, the sliding sleeve 34 is pushed to one side to slide on the fixed column 31, and the damping spring 33 is compressed accordingly. After the limiting shaft 25 is inserted into the limiting hole 26, the upper support arm 22 and the lower support arm 23 are initially limited on the main support arm 21.

[0031] Limiting holes 26 are provided on one side of the outer wall of the upper support arm 22 and the lower support arm 23. Limiting shafts 25 are fixedly connected to adjacent sides of the two fixed angle plates 24. The ends of the limiting shafts 25 are inserted into and pass through the corresponding limiting holes 26, and positioning tubes 27 are slidably inserted into their outer ends. U-shaped rods 28 are fixedly connected to the other ends of the two positioning tubes 27. The two U-shaped rods 28 are arranged opposite to each other, and a threaded tube 29 is threaded between their adjacent ends. By rotating the threaded tube 29 to tighten or loosen, the distance between the two U-shaped rods 28 can be adjusted, thereby further locking the upper support arm 22 and the lower support arm 23.

[0032] When the solar photovoltaic panel 10 is unfolded, its angle is fixed and it does not loosen when folded. Both ends of the hinge shaft are equipped with locking nuts. During use, the user can adjust the position of the upper support arm 22 and the lower support arm 23 according to actual needs, and fix their angle by tightening the locking nuts, so that the folding mechanism 20 is in a stable support state. During the folding operation, loosening the locking nuts will allow the upper support arm 22 and the lower support arm 23 to rotate around the hinge shaft, thus completing the folding of the solar photovoltaic panel 10.

[0033] In this embodiment, support longitudinal plates 41 are fixedly connected to the opposite sides of the upper support arm 22 and the lower support arm 23, and support transverse plates 42 are fixedly connected to both sides of each support longitudinal plate 41. The support longitudinal plates 41 and the support transverse plates 42 are fixed to the back of the solar photovoltaic panel 10 by screws, so that the folding mechanism 20 is connected to the back of the solar photovoltaic panel 10, which can enhance the overall support strength. In addition, rubber pads 43 are fixedly connected to the opposite sides of the two support transverse plates 42 on the upper support arm 22 and the lower support arm 23. When the photovoltaic panel is folded, the two rubber pads 43 stick to each other to form a flexible contact surface, which can absorb local impact force when the photovoltaic panel is folded and closed, avoid direct contact of the glass panel, and prevent scratches and vibration damage.

[0034] In this embodiment, the threaded tube 29 and the two U-shaped rods 28 have opposite thread directions. The two ends of the threaded tube 29 are respectively provided with forward thread and reverse thread structure, so that when the threaded tube 29 is rotated, the two U-shaped rods 28 can move synchronously in opposite or opposite directions at the same time.

[0035] When this utility model is in operation: During the unfolding operation, the operator can loosen the reverse thread structure of the two ends of the threaded tube 29 by rotating the threaded tube 29. Since the thread directions of the two ends of the threaded tube 29 are opposite, the two U-shaped rods 28 can move outward synchronously when rotated, thereby driving the positioning tube 27 to slide away from the end of the limiting shaft 25, and releasing the connection between the fixing angle plate 24 and the limiting hole 26.

[0036] Subsequently, the operator loosens the locking nuts at both ends of the hinge shaft, allowing the upper support arm 22 and the lower support arm 23 to rotate freely relative to the main support arm 21, and pushes the sliding sleeve 34 to slide along the direction of the fixed column 31. The sliding sleeve 34 drives the fixed angle plate 24 fixedly connected to its outer wall to move together, so that the limiting shaft 25 exits the limiting hole 26, and the fixed angle plate 24 is no longer fixed to the upper support arm 22 and the lower support arm 23, thereby releasing the locking state. The upper support arm 22 and the lower support arm 23 can be rotated around the hinge shaft to the required angle, and the locking nuts at both ends of the hinge shaft are tightened to fix the two relative to the main support arm 21, thus completing the unfolding of the solar photovoltaic panel 10.

[0037] When the photovoltaic panel 10 is unfolded, the fixed corner plate 24 is not fixedly connected to the upper support arm 22 and the lower support arm 23 through the limiting shaft 25. Although the fixed corner plate 24 and the limiting shaft 25 have disengaged from the limiting hole 26, they still maintain a stable position through the cooperation of the sliding sleeve 34 and the damping spring 33, and will not affect the angle adjustment and light-receiving surface of the photovoltaic panel 10.

[0038] Furthermore, after the photovoltaic panel 10 is unfolded, although the fixed corner plate 24 and the limiting shaft 25 are separated from the upper support arm 22 and the lower support arm 23, they still maintain the original relative angle relationship. The positioning tube 27, U-shaped rod 28 and threaded tube 29 can continue to be installed on the limiting shaft 25 of the two fixed corner plates 24. On the one hand, this can enhance the stability of the fixed corner plate 24, and on the other hand, it can prevent the positioning tube 27, U-shaped rod 28 and threaded tube 29 from being lost during use or carrying.

[0039] When it is necessary to fold up the solar photovoltaic panel 10, by loosening the locking nuts at both ends of the hinge shaft, the upper support arm 22 and the lower support arm 23 can rotate freely relative to the main support arm 21 again. The operator will then gradually fold the two solar photovoltaic panels 10 together, causing the folding mechanism 20 to rotate to the closed position.

[0040] After folding, the sliding sleeve 34 is pushed to slide in the other direction along the fixed post 31. At this time, the sliding sleeve 34 compresses the damping spring 33 to generate elastic potential energy. When the sliding sleeve 34 drives the fixed angle plate 24 to align the limiting shaft 25 with the limiting hole 26 of the upper support arm 22 and the lower support arm 23, the operator releases the hand. The sliding sleeve 34 returns to its original position under the elastic force of the damping spring 33, and drives the limiting shaft 25 on the fixed angle plate 24 to be tightly inserted into the limiting shaft 25 to complete the mechanical locking. At this time, the folding mechanism 20 is in the initial fixed state.

[0041] By inserting the ends of the two U-shaped rods 28 into the inner walls of the rotating threaded tube 29 on both sides, and continuing to rotate the threaded tube 29, the two U-shaped rods 28 will tighten inward in sync, driving the positioning tube 27 to move towards the limiting hole 26, so that the two U-shaped rods 28 and the positioning tube 27 form a relative clamping force, thereby further pressing the limiting shaft 25 and completing the secondary locking in the folded state.

[0042] During the folding and closing process of the photovoltaic panel, rubber pads 43 are provided on the outer side of the support cross plate 42 on the upper and lower support arms. When the solar photovoltaic panel 10 is folded up, the two rubber pads 43 stick together to form a flexible contact, which is used to absorb local impact force and prevent the glass layer on the surface of the solar photovoltaic panel 10 from directly contacting each other.

[0043] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A foldable solar photovoltaic panel, characterized in that: It includes two solar photovoltaic panels (10), and a folding mechanism (20) is installed on the back of the two solar photovoltaic panels (10). The folding mechanism (20) includes a main support arm (21), an upper support arm (22) and a lower support arm (23). The upper and lower sides of the main support arm (21) are rotatably connected to the upper support arm (22) and the lower support arm (23) respectively via hinge shafts. A fixed column (31) is connected through and fixedly connected to the front side of the main support arm (21). Sliding sleeves (34) are slidably sleeved on the outer walls of both sides of the fixed column (31). Fixed angle plates (24) are fixedly connected to the outer walls of the two sliding sleeves (34). Limiting holes (26) are provided on one side of the outer wall of the upper support arm (22) and the lower support arm (23). Limiting shafts (25) are fixedly connected to adjacent sides of the two fixed angle plates (24). The ends of the limiting shafts (25) are inserted into and pass through the corresponding limiting holes (26), and positioning tubes (27) are slidably inserted into their outer ends. The other ends of the two positioning tubes (27) are respectively fixedly connected to U-shaped rods (28), the two U-shaped rods (28) are arranged opposite to each other, and their adjacent ends are threadedly connected to threaded tubes (29). The threaded tube (29) has the opposite thread direction to the two U-shaped rods (28).

2. A foldable solar photovoltaic panel according to claim 1, characterized in that: Both ends of the hinge shaft are equipped with locking nuts, which are used to fix the rotation angle of the upper support arm (22) and the lower support arm (23) after the solar photovoltaic panel (10) is unfolded or retracted.

3. A foldable solar photovoltaic panel according to claim 2, characterized in that: The end of the fixed column (31) is fixedly connected to a handle (32), and a damping spring (33) is sleeved on the outer wall of the fixed column (31). The adjacent sides of the sliding sleeve (34) and the handle (32) are respectively fixedly connected to the two ends of the damping spring (33).

4. A foldable solar photovoltaic panel according to claim 3, characterized in that: The upper support arm (22) and the lower support arm (23) are respectively fixedly connected to the opposite sides of the support longitudinal plate (41), and the two sides of each support longitudinal plate (41) are fixedly connected to the support transverse plate (42). The longitudinal support plate (41) and the transverse support plate (42) are both fixedly connected to the back of the solar photovoltaic panel (10) by screws.

5. A foldable solar photovoltaic panel according to claim 4, characterized in that: Rubber pads (43) are fixedly connected to the opposite sides of the two support plates (42) on the upper support arm (22) and the lower support arm (23). When the upper support arm (22) and the lower support arm (23) are folded and closed, the two rubber pads (43) fit together to buffer the folding contact and prevent the surface of the solar photovoltaic panel (10) from being damaged by collision.

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