CN-224233624-U - Transmission mechanism for photovoltaic panel, photovoltaic panel assembly and photovoltaic device

Abstract

The utility model discloses a transmission mechanism for a photovoltaic panel, which comprises a driving shaft and a clutch mechanism, wherein the clutch mechanism comprises a fixing piece and a moving piece which are oppositely arranged, the fixing piece of the clutch mechanism is fixedly connected with the output end of the driving shaft, the moving piece can move relative to the fixing piece under the action of external force to enable the clutch state of the clutch mechanism to be switched, when the clutch mechanism is in a connection state, the rotation of the driving shaft can drive the fixing piece and the moving piece of the clutch mechanism to synchronously rotate, and when the clutch mechanism is in a separation state, the rotation of the driving shaft can drive the fixing piece of the clutch mechanism to rotate relative to the moving piece. The utility model can realize the synchronous rotation of the first load and the second load and the relative rotation between the first load and the second load, thereby having the folding function. The utility model also discloses a photovoltaic panel assembly and a photovoltaic device.

Inventors

• GAO FENG
• CHEN HUI
• LIU ZAIXIANG

Assignees

• 上海兴邺材料科技有限公司

Dates

Publication Date

20260512

Application Date

20231109

Claims (18)

1. 1. The transmission mechanism for the photovoltaic panel is characterized by comprising a driving shaft and a clutch mechanism, wherein the clutch mechanism comprises a fixed part and a moving part which are oppositely arranged, and the fixed part of the clutch mechanism is fixedly connected with the output end of the driving shaft; When the clutch mechanism is in a connection state, the rotation of the driving shaft can drive the fixed part and the moving part of the clutch mechanism to synchronously rotate, and when the clutch mechanism is in a separation state, the rotation of the driving shaft can drive the fixed part of the clutch mechanism to rotate relative to the moving part.
2. 2. The drive mechanism for a photovoltaic panel according to claim 1, wherein the securing member of the clutch mechanism and/or the output end of the drive shaft is adapted to be fixedly connected to a first load, and the moving member of the clutch mechanism is adapted to be fixedly connected to a second load.
3. 3. The transmission mechanism for a photovoltaic panel according to claim 1, further comprising a tie rod, one end of which is connected to the moving member of the clutch mechanism.
4. 4. The transmission mechanism for a photovoltaic panel according to claim 3, further comprising a trigger member including a connection portion for connecting the other end of the tension rod and a trigger portion for receiving the external force, wherein when the trigger portion is forced, the external force can be transmitted to the tension rod through the connection portion, thereby providing the external force to the moving member.
5. 5. The transmission mechanism for the photovoltaic panel according to claim 4, wherein the number of the clutch mechanisms and the number of the pull rods are two, the two clutch mechanisms are respectively arranged at two ends of the driving shaft, and the other ends of the two pull rods are connected with the same trigger piece.
6. 6. The transmission mechanism for a photovoltaic panel according to claim 4, wherein the triggering portion is a projection on the triggering member in a direction away from the driving shaft.
7. 7. The drive mechanism for a photovoltaic panel according to claim 1, wherein the stationary member and the moving member form a face-contact engagement when the clutch mechanism is in the connected state.
8. 8. The drive mechanism for a photovoltaic panel according to claim 7, wherein the fixing member is provided with a protrusion facing the moving member, the moving member is provided with a recess adapted to the protrusion, and when the clutch mechanism is in the connected state, the fixing member and the moving member can form a drive connection by the engagement of the protrusion and the recess.
9. 9. The drive mechanism for a photovoltaic panel according to claim 1, wherein the clutch mechanism further comprises: A shell which is covered outside the fixed piece and the moving piece and can perform relative rotation movement with the fixed piece, and And the moving part is connected with the shell in a circumferential positioning way through the guide structure.
10. 10. The drive mechanism for a photovoltaic panel according to claim 9, wherein the guide structure comprises a groove formed in the housing and a protrusion formed on the moving member, or the guide structure comprises a protrusion formed in the housing and a groove formed in the moving member, and the protrusion is adapted to the groove.
11. 11. The drive mechanism for a photovoltaic panel according to claim 9, wherein the clutch mechanism further comprises: The driving lever has one end connected to the moving part and the other end as free end, and the driving lever can provide the force to the moving part when the free end is stressed.
12. 12. The transmission mechanism for a photovoltaic panel according to claim 9, further comprising an elastic member connected to the moving member, the elastic member being capable of providing a restoring force to the moving member when the external force is removed.
13. 13. The transmission mechanism for a photovoltaic panel according to claim 1, wherein the drive shaft comprises: A screw rod; The sliding sleeve is movably connected with the screw rod, the sliding sleeve is in guiding connection with the screw rod through a spiral guiding structure, the sliding sleeve can linearly move relative to the screw rod along the axial direction of the screw rod, and the screw rod is provided with a screw rod The driving part drives the driven part under the drive of the power source, so that the sliding sleeve is driven to linearly move along the axial direction of the screw rod.
14. 14. The transmission mechanism for a photovoltaic panel according to claim 13, wherein the sliding sleeve is provided with a through hole, and the sliding sleeve is sleeved on the screw rod through the through hole; the spiral guide structure is a spiral groove arranged on the inner wall of the through hole and a spiral protrusion arranged on the outer peripheral surface of the spiral rod; Or the spiral guide structure is a spiral bulge arranged on the inner wall of the through hole and a spiral groove arranged on the outer peripheral surface of the spiral rod; Or the spiral guide structure is a first spiral groove respectively arranged on the inner wall of the through hole, a second spiral groove arranged on the outer peripheral surface of the spiral rod, and a plurality of balls arranged between the first spiral groove and the second spiral groove.
15. 15. The transmission mechanism for a photovoltaic panel according to claim 13, further comprising a housing, wherein a first guiding structure extending along an axial direction is formed on the outer peripheral surface of the sliding sleeve, a second guiding structure matched with the first guiding structure is arranged on the housing, the first guiding structure is matched with the second guiding structure, and the sliding sleeve is movably connected with the housing.
16. 16. The drive mechanism for a photovoltaic panel according to claim 15, wherein the first guide structure is a guide projection and the second guide structure is a guide slot; or the first guide structure is a guide groove, and the second guide structure is a guide protrusion; Or the device also comprises an intermediate piece, wherein the first guide structure and the second guide structure are both guide grooves, the intermediate piece is arranged between the first guide structure and the second guide structure, and guide fit is formed through the intermediate piece.
17. 17. A photovoltaic panel assembly comprising at least a first photovoltaic panel and a second photovoltaic panel, the first photovoltaic panel and the second photovoltaic panel being commonly connected to the drive mechanism for a photovoltaic panel of any one of claims 1 to 16; The first photovoltaic panel is fixedly connected to the output end of the driving shaft and/or the fixing piece of the clutch mechanism; The second photovoltaic panel is fixedly connected to the moving part of the clutch mechanism; When the clutch mechanism is in a connection state, the rotation of the driving shaft can drive the first photovoltaic plate and the second photovoltaic plate to synchronously rotate; When the clutch mechanism is in a separation state, the rotation of the driving shaft can drive the first photovoltaic plate to rotate relative to the second photovoltaic plate.
18. 18. A photovoltaic device comprising the photovoltaic panel assembly of claim 17.

Description

Transmission mechanism for photovoltaic panel, photovoltaic panel assembly and photovoltaic device Technical Field The utility model relates to transmission equipment, in particular to a transmission mechanism for a photovoltaic panel. The utility model also relates to a photovoltaic panel assembly and a photovoltaic device. Background Solar energy has been increasingly used as a clean renewable energy source. The solar photovoltaic power generation equipment uses a solar photovoltaic module as a photoelectric conversion device to convert solar energy into electric energy, so that the solar energy is utilized. Currently, in order to increase the power generation amount per unit time of a photovoltaic device, it is a common method to enlarge the size of the photovoltaic panel as much as possible. For example, chinese patent publication CN216122306U discloses a photovoltaic device comprising a plurality of photovoltaic panels arranged in a linear manner, so that the size of the photovoltaic panels is significantly increased, and thus the power generation amount can be greatly improved. Further, there is also a method of tracking the sun by using a photovoltaic panel to ensure that the vertical irradiation area is maximized, so as to improve the photoelectric conversion efficiency, for example, a transmission shaft is arranged between the photovoltaic panel and the photovoltaic bracket, so as to track the sun. However, when photovoltaic devices, outdoor billboards and the like are applied to outdoor devices or apparatuses with relatively large areas, the devices or apparatuses are inevitably affected by rain, snow, hail or strong wind, for example, snow covers and photovoltaic panels, which can cause the photovoltaic panels to be unable to receive sunlight, and also cause irreversible damage to the photovoltaic panels and even damage to photovoltaic brackets, thus leading to the investigation of how people can effectively avoid bad weather effects when applied to outdoor devices or apparatuses. Disclosure of utility model The technical problem to be solved by the utility model is to provide a transmission mechanism for a photovoltaic panel, which can realize synchronous rotation of a first load and a second load and realize relative rotation between the first load and the second load, thereby having a folding function. The technical scheme for solving the technical problems is that the transmission mechanism for the photovoltaic panel comprises the following steps: The clutch mechanism comprises a driving shaft and a clutch mechanism, wherein the clutch mechanism comprises a fixing piece and a moving piece which are oppositely arranged, the fixing piece of the clutch mechanism is fixedly connected with the output end of the driving shaft, the moving piece can move relative to the fixing piece under the action of external force to enable the clutch state of the clutch mechanism to be switched, when the clutch mechanism is in a connection state, the rotation of the driving shaft can drive the fixing piece of the clutch mechanism and the moving piece to synchronously rotate, and when the clutch mechanism is in a separation state, the rotation of the driving shaft can drive the fixing piece of the clutch mechanism to rotate relative to the moving piece. In a further embodiment, the clutch mechanism has a coupled state in which the fixed member and the moving member form a driving engagement, and a decoupled state in which the fixed member is free to rotate relative to the moving member. In another embodiment, the fixed part of the clutch mechanism and/or the output end of the driving shaft is/are used for fixedly connecting a first load, and the moving part of the clutch mechanism is/are used for fixedly connecting a second load. In another embodiment, the clutch mechanism further comprises a pull rod, and one end of the pull rod is connected with a moving piece of the clutch mechanism. In another embodiment, the device further comprises a trigger piece, wherein the trigger piece comprises a connecting part used for being connected with the other end of the pull rod and a trigger part used for receiving the external force, and when the trigger part is stressed, the external force can be transmitted to the pull rod through the connecting part, so that the external force is provided for the moving piece. In another embodiment, the number of the clutch mechanisms and the number of the pull rods are two, the two clutch mechanisms are respectively arranged at two ends of the driving shaft, and the other ends of the two pull rods are connected with the same trigger piece. In another embodiment, the trigger part is a protrusion on the trigger part in a direction away from the driving shaft. In another embodiment, when the clutch mechanism is in a connected state, the fixed part and the moving part form surface contact fit. In another embodiment, the fixing piece is provided with a protrusion facing the moving piece, the