Photovoltaic panel telescopic structure

Abstract

The utility model discloses a photovoltaic panel telescopic structure which comprises a main body frame, an auxiliary frame arranged on the main body frame in a sliding mode, an auxiliary photovoltaic panel arranged on the auxiliary frame and a telescopic driving mechanism. The telescopic driving mechanism comprises a driver, a pulley assembly, a steel wire rope wound around the pulley assembly and a sliding piece penetrating through the steel wire rope and used for driving the auxiliary photovoltaic panel to slide. The driver drives the steel wire rope to be wound and unwound so that the sliding piece can drive the auxiliary frame to be horizontally unfolded or retracted to reset. The steel wire rope and the pulley assembly are matched to serve as a transmission assembly, the driver drives the steel wire rope to be wound and unwound, and therefore the sliding piece slides along with the steel wire rope, and the auxiliary frame is driven to be horizontally unfolded or retracted to reset. Therefore, the problem that the gravity center of the auxiliary frame body is centered when belt transmission is adopted in the traditional design, left-right imbalance exists, and shaking exists is solved, and compared with a structure adopting an air cylinder part as a drive in the market, the structure of the steel wire rope has the advantages of weight reduction, light weight and low cost.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic panel expansion devices, in particular to a photovoltaic panel telescopic structure. Background Art

[0002] Photovoltaic power generation technology is a technology that converts light energy into electrical energy. Based on the advantages of photovoltaic power generation such as clean and pollution-free energy and convenient energy acquisition, its application scenarios are very wide.

[0003] Traditional photovoltaic photoelectric technology is mainly used in fixed buildings, such as fixed on the top floor or roof of buildings as a power system. With the rapid development of new energy vehicles in my country, charging has become the primary problem to be solved by new energy vehicles. For example, the number of charging piles installed in many cities is small and the mobility is poor. Therefore, there is an urgent need to provide a foldable photovoltaic expansion device based on photovoltaic power generation technology so that car owners can carry it with them and open it for use when going out.

[0004] However, the foldable photovoltaic expansion devices currently circulating on the market have many problems and are not perfect. For example, a solar photovoltaic panel assembly provided by the Chinese utility model patent (patent number CN 219287444 U) uses a driving part in conjunction with a telescopic pneumatic rod to push the photovoltaic panel to unfold and retract. The overall weight of the equipment is heavy, which is inconvenient for car owners to carry and set up. Secondly, the thrust center of the telescopic pneumatic rod is at the center point of the sub-frame, which is prone to uneven force and easy to shake. Secondly, there are also belts that are passed through the middle of the sub-frame as transmission. Similarly, the structure of the belt also has disadvantages such as uneven force, so it is necessary to improve it. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a photovoltaic panel telescopic structure.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a photovoltaic panel telescopic structure, which includes a main frame, at least one sub-frame slidably arranged on the main frame, a sub-photovoltaic panel assembled on the sub-frame, and a telescopic drive mechanism for driving the sub-frame to telescope, the telescopic drive mechanism includes a driver, a pulley assembly, a steel wire rope wound around the pulley assembly, and a sliding member passed through the steel wire rope and used to drive the sub-photovoltaic panel to slide, the driver drives the steel wire rope to retract and release so that the sliding member drives the sub-frame to horizontally expand or retract and reset.

[0007] In a further technical solution, the pulley assembly includes pulley one, pulley two, pulley three and pulley four, which are respectively arranged at the four corners of the main frame, the sliding part includes slider one and slider two, the first section of the wire rope is wound between pulley one and pulley two, the second section of the wire rope is wound between pulley two and pulley three, the third section of the wire rope is arranged between pulley three and pulley four, the slider one is passed through the first section of the wire rope, and the slider one is transmission connected to the first side of the sub-frame, the slider two is passed through the third section of the wire rope, and the slider two is transmission connected to the second side of the sub-frame.

[0008] In a further technical solution, the main frame is equipped with a pull-out guide rail, the pull-out guide rail has at least two sections, the first section of the pull-out guide rail is fixedly installed on the main frame, the second section of the pull-out guide rail is pullable relative to the first section, and the sub-frame and the sliding member are fixedly installed on the second section of the pull-out guide rail.

[0009] In a further technical solution, the main frame is provided with at least one main layer and at least one secondary layer, the main layer and the secondary layer are stacked up and down, the main layer is fixedly equipped with a main photovoltaic panel, in the initial state, the secondary layer is built into the secondary frame and the secondary photovoltaic panel is stacked up and down relative to the main photovoltaic panel, in the expanded state, the secondary frame slides out of the secondary layer and the secondary photovoltaic panel is horizontally expanded relative to the main photovoltaic panel.

[0010] In a further technical solution, the number of the sub-frames is set to at least two, each sub-frame is equipped with at least one sub-photovoltaic panel, the sliding directions of the two sub-frames are opposite, and the two sub-frames are horizontally unfolded at the same time, and the two sub-photovoltaic panels are respectively located on both sides of the main photovoltaic panel.

[0011] In a further technical solution, the number of pulley assemblies is configured into two groups, the number of steel wire ropes is set to two, one steel wire rope is correspondingly wound around one pulley assembly, and each steel wire rope is provided with a sliding member, the driver is provided with a winding drum and a driving member for driving the winding drum to rotate, one steel wire rope is wound around the winding drum in a forward direction, and the other steel wire rope is wound around the winding drum in a reverse direction, the rotating winding drum makes the retraction and release states of the two steel wire ropes opposite, and the movement directions of the two sliding members are opposite so that the sliding directions of the two sub-frames are opposite.

[0012] In a further technical solution, the heads of the two steel wire ropes can be fixed to any position of the main frame.

[0013] In a further technical solution, each corner of the main frame is fixedly equipped with a pulley bracket and a threading clamp installed on the pulley bracket, pulley one, pulley two, pulley three and pulley four are respectively fixedly installed on the corresponding pulley bracket, and the wire rope passes through the threading clamp in turn and then passes through the corresponding pulley.

[0014] In a further technical solution, the main frame is equipped with a trigger switch, and the sub-frame is equipped with a sensor. When the sub-frame is unfolded relative to the main frame, the sensor cooperates with the trigger switch.

[0015] In a further technical solution, the sensing element is configured as a trigger spring or a trigger probe.

[0016] After adopting the above structure, the utility model has the following advantages compared with the prior art:

[0017] The utility model uses a steel wire rope and a pulley assembly as a transmission assembly, and drives the steel wire rope to be retracted and extended through a driver, so that the sliding member slides with the steel wire rope, thereby driving the sub-frame to be horizontally expanded or retracted and reset, thereby solving the problem that when the traditional design uses belt drive, the center of gravity of the sub-frame is centered but there is left-right imbalance and shaking. Secondly, compared with the structure on the market that uses cylinder parts as the drive, the steel wire rope structure has the advantages of weight reduction, lightweight and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a structural schematic diagram of the unfolded state of a main frame assembled with a single sub-frame;

[0020] Figure 2 It is a structural schematic diagram of the main frame and the telescopic drive mechanism;

[0021] Figure 3 yes Figure 2 A schematic diagram of the structure enlargement at the center A;

[0022] Figure 4 It is a schematic diagram of the structure in the unfolded state in which sub-frames are assembled on both sides of the main frame;

[0023] Figure 5 yes Figure 4 A schematic diagram of the structure from another perspective;

[0024] Figure 6 It is a schematic diagram of the movement direction of the telescopic drive mechanism. DETAILED DESCRIPTION

[0025] The following are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention.

[0026] like Figures 1 to 6As shown, the utility model provides a photovoltaic panel telescopic structure, which includes a main frame 1, at least one sub-frame 2 slidably arranged on the main frame 1, a sub-photovoltaic panel 20 assembled on the sub-frame 2, and a telescopic driving mechanism 3 for driving the sub-frame 2 to telescope. The telescopic driving mechanism 3 includes a driver, a pulley assembly, a steel wire rope 30 wound around the pulley assembly, and a sliding member passed through the steel wire rope 30 and used to drive the sub-photovoltaic panel 20 to slide. The driver drives the steel wire rope 30 to be retracted and released so that the sliding member drives the sub-frame 2 to horizontally expand or shrink and reset.

[0027] During specific operation, the driver drives the steel wire rope 30 to be retracted and released, so that the sliding part slides with the steel wire rope 30, and then drives the sub-frame 2 to be horizontally expanded or retracted and reset. Specifically, the retraction and release of the sub-frame 2 is determined by the winding direction of the steel wire rope 30. For example, when the steel wire rope 30 is set to release the wire, the sliding part moves outward, that is, the sub-frame 2 is horizontally expanded. On the contrary, when the steel wire rope 30 is retracted, the sub-frame 2 is retracted and reset. The utility model uses the steel wire rope 30 and the pulley assembly as a transmission assembly, which solves the problem that the sub-frame has a center of gravity in the middle and is unbalanced and swaying when the traditional design uses a belt drive. Secondly, compared with the structure on the market that uses a cylinder as a drive, the steel wire rope structure has the advantages of weight reduction, light weight and low cost.

[0028] Specifically, the device is generally used as a vehicle-mounted external charging expansion device. When it is used, it can be quickly built by simply placing the main frame 1 on the roof. It is suitable for a wide range of scenarios and is highly practical.

[0029] More specifically, the pulley assembly includes pulley one 31, pulley two 32, pulley three 33 and pulley four 34 respectively arranged at the four corners of the main frame 1, the sliding part includes slider one 35 and slider two 36, the first section of the wire rope 30 is wound between pulley one 31 and pulley two 32, the second section of the wire rope 30 is wound between pulley two 32 and pulley three 33, the third section of the wire rope 30 is arranged between pulley three 33 and pulley four 34, the fourth section of the wire rope 30 is arranged between pulley four 34 and pulley one 31, the slider one 35 is passed through the first section of the wire rope 30, and the slider one 35 is transmission connected to the first side of the sub-frame 2, the slider two 36 is passed through the third section of the wire rope 30, and the slider two 36 is transmission connected to the second side of the sub-frame 2.

[0030] In order to better explain the working principle of the utility model, Figure 6 In the figure, the first section of the steel wire rope 30 is marked as 30a, the second section of the steel wire rope 30 is marked as 30b, the third section of the steel wire rope 30 is 30c, and the fourth section of the steel wire rope 30 is 30d, and the transmission direction of each section of the steel wire rope 30 is marked with an arrow.

[0031] Specifically, in order to make the sliding of the sub-frame 2 more stable and solve the shaking problem, at this time, the number of sliders in the sliding member is set to at least two, that is, including slider 1 35 and slider 2 36, and they are respectively arranged on both sides of the sub-frame 2.

[0032] In this embodiment, the main frame 1 is equipped with a pull-out guide rail 10, and the pull-out guide rail 10 has at least two sections. The first section of the pull-out guide rail 10 is fixedly installed on the main frame 1, and the second section of the pull-out guide rail 10 can be pulled out relative to the first section. The sub-frame 2 and the sliding member are fixedly installed on the second section of the pull-out guide rail 10.

[0033] Similarly, in order to better explain the working principle of the utility model, Figure 2-3 In the figure, the first section of the pull-out guide rail 10 is marked as 10a, and the second section of the pull-out guide rail 10 is marked as 10b. Through the structural design of the pull-out guide rail, the sliding stability of the sub-frame 2 is further ensured, and the problem of the center of gravity offset and shaking of the sub-frame 2 is solved.

[0034] In this embodiment, the main frame 1 is provided with at least one main layer and at least one secondary layer, the main layer and the secondary layer are stacked up and down, and the main layer is fixedly equipped with a main photovoltaic panel. In the initial state, the secondary layer is built into the secondary frame 2 and the secondary photovoltaic panel 20 is stacked up and down relative to the main photovoltaic panel. In the expanded state, the secondary frame 2 slides out of the secondary layer and the secondary photovoltaic panel 20 is horizontally expanded relative to the main photovoltaic panel.

[0035] More specifically, in the preferred scheme, the number of sub-layers is generally set to at least two, the number of sub-frames 2 is set to at least two, and the two sub-layers are respectively located on the upper and lower sides of the main layer. It is worth noting that in order to better display the specific structure of the main frame, the main photovoltaic panel is not marked in the diagram.

[0036] When the number of the sub-frames 2 is set to two, each sub-frame 2 is equipped with at least one sub-photovoltaic panel 20, the sliding directions of the two sub-frames 2 are opposite, and when the two sub-frames 2 are horizontally unfolded at the same time, the two sub-photovoltaic panels 20 are respectively located on both sides of the main photovoltaic panel.

[0037] The two sides here may refer to two parallel left and right sides, or two parallel front and back sides, or two sides that are vertically arranged crosswise between the left and right sides and the front and back sides.

[0038] At this time, the number of the pulley assemblies is configured as two groups, the number of the wire ropes 30 is set to two, one wire rope 30 is correspondingly wound around one pulley assembly, and each wire rope 30 is provided with a sliding member, the driver is provided with a winding drum 37 and a driving member 38 for driving the winding drum 37 to rotate, one wire rope 30 is wound around the winding drum 37 in the forward direction, and the other wire rope 30 is wound around the winding drum 37 in the reverse direction, the rotating winding drum 37 makes the retraction and release states of the two wire ropes 30 opposite, the movement directions of the two sliding members are opposite so that the sliding directions of the two sub-frames 2 are opposite, and the heads of the two wire ropes 30 can be fixed to any position of the main frame 1.

[0039] The driving member 38 can be configured as a motor or a motor to drive the winding drum 37 to rotate.

[0040] Specifically, the head of the wire rope 30 is fixed to any position of the main frame 1, that is, independent of the winding drum 37, and the two wire ropes 30 are wound on the winding drum 37 in opposite winding directions, that is, as the winding drum 37 rotates, one wire rope 30 is in a winding state, and the other wire rope 30 is in a unwinding state, that is, the movement directions of the two sliding members are opposite, thereby realizing the relative expansion of the two sub-frames 2, and, as one wire rope 30 is winding, the other wire rope 30 is unwinding, that is, the amount of wire wound on the winding drum 37 is fixed. Compared with the winding structure in which the head and tail of a single wire rope are fixed to the winding drum, such a winding structure of the utility model is more miniaturized.

[0041] In this embodiment, each corner of the main frame 1 is fixedly equipped with a pulley bracket 11 and a threading clamp 12 mounted on the pulley bracket 11, and the pulley 1 31, the pulley 2 32, the pulley 3 33 and the pulley 4 34 are respectively fixedly mounted on the corresponding pulley bracket 11. Specifically, before the steel wire rope 30 passes through the pulley each time, the steel wire rope 30 first passes through the threading clamp 12 and then passes through the corresponding pulley. Such a structure can prevent the derailment of the wire rope during long-term operation and maintain the stability of the equipment.

[0042] More specifically, the threading clamp 12 may be directly assembled with the main frame 1, or the threading clamp 12 may be arranged not only around the roller but also between two rollers.

[0043] It is worth noting that the specific structure of the threading clamp 12 is not limited, and the actual assembly can use a common wire clamp or threading fixture on the market.

[0044] In this embodiment, the main frame 1 is equipped with a trigger switch 13, and the sub-frame 2 is equipped with a sensor 14. When the sub-frame 2 is unfolded relative to the main frame, the sensor 14 is triggered and cooperated with the trigger switch 13 as a signal transmission. For example, after the sub-frame 2 is in place, it proves that the photovoltaic panel starts working, and the main control chip can collect the electricity of the photovoltaic panel and so on.

[0045] In a feasible implementation scheme, the sensing element 14 is configured as a trigger spring or a trigger probe.

[0046] When the sensing element 14 is set as a trigger probe, the trigger switch 13 is set as a trigger socket that can be plugged into the trigger probe. Compared with forming a switch, such a plug-in structure design can not only be used for signal transmission, but also the mechanical properties of the plug-in structure are more stable, and the connection stability between the sub-frame 2 and the main frame 1 can be strengthened.

[0047] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A photovoltaic panel telescopic structure, characterized in that: The invention comprises a main frame (1), at least one sub-frame (2) slidably arranged on the main frame (1), a sub-photovoltaic panel (20) mounted on the sub-frame (2), and a telescopic drive mechanism (3) for driving the sub-frame (2) to telescope. The telescopic drive mechanism (3) comprises a driver, a pulley assembly, a steel wire rope (30) wound around the pulley assembly, and a sliding member passing through the steel wire rope (30) and used for driving the sub-photovoltaic panel (20) to slide. The driver drives the steel wire rope (30) to retract and release so that the sliding member drives the sub-frame (2) to horizontally expand or retract and reset.

2. A photovoltaic panel telescopic structure according to claim 1, characterized in that: The pulley assembly comprises a pulley 1 (31), a pulley 2 (32), a pulley 3 (33) and a pulley 4 (34) respectively arranged at four corners of the main frame (1); the sliding member comprises a slider 1 (35) and a slider 2 (36); the first section of the steel wire rope (30) is wound between the pulley 1 (31) and the pulley 2 (32); the second section of the steel wire rope (30) is wound between the pulley 2 (32) and the pulley 3 (33); the steel wire rope (30) ) is arranged between pulley three (33) and pulley four (34), the fourth section of the wire rope (30) is arranged between pulley four (34) and pulley one (31), the slider one (35) is passed through the first section of the wire rope (30), and the slider one (35) is transmission-connected to the first side of the sub-frame (2), and the slider two (36) is passed through the third section of the wire rope (30), and the slider two (36) is transmission-connected to the second side of the sub-frame (2).

3. A photovoltaic panel telescopic structure according to claim 1, characterized in that: The main frame (1) is equipped with a pull-out guide rail (10), the pull-out guide rail (10) having at least two sections, the first section of the pull-out guide rail (10) being fixedly mounted on the main frame (1), the second section of the pull-out guide rail (10) being pullable relative to the first section, and the sub-frame (2) and the sliding member being fixedly mounted on the second section of the pull-out guide rail (10).

4. The photovoltaic panel telescopic structure according to claim 1, characterized in that: The main frame (1) is provided with at least one main layer and at least one secondary layer, the main layer and the secondary layer are stacked up and down, the main layer is fixedly equipped with a main photovoltaic panel, in an initial state, the secondary layer is built into the secondary frame (2) and the secondary photovoltaic panel (20) is stacked up and down relative to the main photovoltaic panel, and in an expanded state, the secondary frame (2) slides out of the secondary layer and the secondary photovoltaic panel (20) is horizontally expanded relative to the main photovoltaic panel.

5. A photovoltaic panel telescopic structure according to claim 4, characterized in that: The number of the sub-frames (2) is set to be at least two, each sub-frame (2) is equipped with at least one sub-photovoltaic panel (20), the two sub-frames (2) have opposite sliding directions, and when the two sub-frames (2) are simultaneously horizontally unfolded, the two sub-photovoltaic panels (20) are respectively located on both sides of the main photovoltaic panel.

6. A photovoltaic panel telescopic structure according to claim 5, characterized in that: The number of pulley assemblies is configured as two groups, the number of steel wire ropes (30) is set to two, one steel wire rope (30) is correspondingly wound around one pulley assembly, and each steel wire rope (30) is provided with a sliding member, the driver is provided with a winding drum (37) and a driving member (38) for driving the winding drum (37) to rotate, one steel wire rope (30) is wound around the winding drum (37) in a forward direction, and the other steel wire rope (30) is wound around the winding drum (37) in a reverse direction, the rotating winding drum (37) makes the retracted and released states of the two steel wire ropes (30) opposite, and the movement directions of the two sliding members are opposite so that the sliding directions of the two sub-frames (2) are opposite.

7. A photovoltaic panel telescopic structure according to claim 6, characterized in that: The heads of the two steel wire ropes (30) can be fixed to any position of the main frame (1).

8. The photovoltaic panel telescopic structure according to claim 1, characterized in that: Each corner of the main frame (1) is fixedly equipped with a pulley bracket (11) and a threading clamp (12) mounted on the pulley bracket (11); pulley one (31), pulley two (32), pulley three (33) and pulley four (34) are respectively fixedly equipped on the corresponding pulley bracket (11); the steel wire rope (30) passes through the threading clamp (12) in sequence and then passes through the corresponding pulleys.

9. The photovoltaic panel telescopic structure according to claim 1, characterized in that: The main frame (1) is equipped with a trigger switch (13), and the sub-frame (2) is equipped with a sensing element (14). When the sub-frame (2) is unfolded into position relative to the main frame, the sensing element (14) is triggered and matched with the trigger switch (13).

10. A photovoltaic panel telescopic structure according to claim 9, characterized in that: The induction element (14) is configured as a trigger spring or a trigger probe.

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