Photovoltaic panel device for a recreational vehicle

By designing an expandable and retractable photovoltaic panel device on the RV and using a worm gear and gear mechanism for transmission, the problem of limited roof area in the RV is solved, achieving efficient power generation and safe deployment and retraction of the photovoltaic panels.

CN224538127UActive Publication Date: 2026-07-21绍兴合田新能源有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
绍兴合田新能源有限公司
Filing Date
2025-08-28
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The roof area of ​​a motorhome is limited, and the area available for installing photovoltaic panels is insufficient to meet electricity demand. Existing technologies make it difficult to effectively expand the power generation of photovoltaic panels.

Method used

Design a photovoltaic panel device for RV deployment and retrieval, including a lead screw, a slider, a coupling, and a power output shaft. The deployment and retrieval of the photovoltaic panel are achieved through a worm gear mechanism and a gear mechanism. Power is transmitted using a drive motor and a gearbox. A limit switch is set to control the sliding stroke of the photovoltaic panel.

Benefits of technology

When parked, the solar panels increase the area exposed to sunlight, thus increasing power generation; when driving, the solar panels are retracted to avoid affecting the normal driving of the vehicle, and the solar panels can be self-locked after adjustment to prevent accidental opening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a photovoltaic board device for house car is collected and is exhibited, including lead screw, sliding part, shaft coupling and power output shaft, the lead screw rotation is connected in the frame, the lead screw periphery is connected with load ball device, the sliding part is along the length direction of lead screw and is connected in the frame, and the sliding part is fixedly connected with load ball device each other, the power output shaft is coaxial with the lead screw and is connected through the shaft coupling, still including gearbox and drive motor, the power output shaft rotation is connected in the gearbox, and the end of power output shaft projects the gearbox, be provided with worm and worm mechanism in the gearbox, worm and worm mechanism are used for transmission between the output of drive motor and power output shaft. The utility model discloses can outwardly unfold, inwardly recycle and form the movable photovoltaic board device of adjustable.
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Description

Technical Field

[0001] This utility model relates to a photovoltaic device, and more specifically, to a photovoltaic panel device for the deployment and retrieval of a motorhome. Background Technology

[0002] RV travel is becoming increasingly popular, and installing solar panels on the roof is gradually becoming standard equipment to solve the problem of electricity use inside the RV. However, the roof area of ​​an RV is limited, and the area available for installing solar panels is also limited, which may not be enough to meet the power demand. To increase the capacity of solar panels and improve power generation, a new solution is proposed to address this issue. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a photovoltaic panel device for RV deployment and retraction, which can be deployed outward and retracted inward to form an adjustable photovoltaic panel device.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a photovoltaic panel device for RV deployment and retrieval, comprising a lead screw, a sliding member, a coupling, and a power output shaft. The lead screw is rotatably connected to a frame, and a load ball bearing is threaded onto the outer circumference of the lead screw. The sliding member is slidably connected to the frame along the length of the lead screw, and the sliding member and the load ball bearing are fixedly connected to each other. The power output shaft is coaxially arranged with the lead screw and connected via a coupling.

[0005] It also includes a gearbox and a drive motor, with the power output shaft rotatably connected to the gearbox and the end of the power output shaft extending out of the gearbox;

[0006] The gearbox is equipped with a worm gear mechanism, which is used to transmit power between the output end of the drive motor and the power output shaft.

[0007] The present invention is further configured such that a gear mechanism is provided inside the gearbox, the gear mechanism is used to transmit the torque of the drive motor and drive the power output shaft to rotate; the drive motor and the gear mechanism are transmitted through a worm gear mechanism.

[0008] The present invention is further configured such that the gear mechanism includes a first gear and a second gear, the first gear being coaxially mounted on the power output shaft, the second gear being rotatably mounted in the gearbox, and the first gear and the second gear being mutually connected and driven.

[0009] The present invention is further configured such that the worm gear mechanism includes a worm wheel and a worm that mesh and drive each other, the worm wheel is coaxially mounted with the gear, and the worm is mounted on the motor shaft of the drive motor.

[0010] The present invention is further configured to include two limit switches, which are located at both ends of the sliding stroke of the slider.

[0011] The present invention is further configured such that two limit switches are used to control the sliding stroke of the two ends of the slider.

[0012] The present invention is further configured to include a photovoltaic panel one and a photovoltaic panel two, wherein the photovoltaic panel one and the photovoltaic panel two are stacked one on top of the other, and the photovoltaic panel two is capable of sliding relative to the photovoltaic panel one and has an open state and a retracted state.

[0013] The present invention is further configured such that the first photovoltaic panel is fixedly installed on the frame, and the second photovoltaic panel is fixedly installed on the sliding component.

[0014] In summary, this utility model has the following beneficial effects:

[0015] By using double-layer photovoltaic panels, one layer is fixedly installed on the top of the RV via a frame, while the other layer can be slidably adjusted to allow the photovoltaic panels to be extended and retracted. When parked, the photovoltaic panels can be opened to increase the area of ​​the photovoltaic panels that receives sunlight and increase the power generation. The photovoltaic panels can also be slidably retracted to prevent the photovoltaic panels from being too large and affecting the normal driving of the vehicle.

[0016] Moreover, the moving mechanism of the photovoltaic panel can achieve self-locking through a worm gear transmission mechanism, which prevents the photovoltaic panel from being easily slipped after adjustment and avoids the photovoltaic panel being accidentally opened during vehicle operation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the folded state of a photovoltaic panel device for RV deployment and retrieval in this embodiment;

[0018] Figure 2 This is a schematic diagram of the unfolded state of a photovoltaic panel device for RV deployment and retrieval in this embodiment;

[0019] Figure 3 This is a schematic diagram of the transmission structure of a photovoltaic panel device for RV deployment and retrieval in this embodiment.

[0020] Reference numerals: 1. Photovoltaic panel 1; 101. Slide rail 101; 2. Photovoltaic panel 2; 201. Sliding component 2; 3. Lead screw 3; 31. Load ball bearing 3; 4. Sliding component 4; 5. Coupling 5; 6. Power output shaft 6; 12. Motor controller 1; 7. Limit switch 7; 8. Gear mechanism 8; 81. Gear 1; 82. Gear 2; 9. Worm gear mechanism 9; 91. Worm 92; 10. Gearbox 10; 11. Drive motor 11. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This embodiment discloses a photovoltaic panel device for the deployment and retrieval of a motorhome, referring to... Figures 1-3 As shown, it includes a lead screw 3, a sliding member 4, a coupling 5, and a power output shaft 6. Each component is supported by a frame. The lead screw 3 is rotatably connected to the frame. A load ball bearing 31 is threadedly connected to the outer circumference of the lead screw 3, and a threaded lead screw transmission structure is formed between the load ball bearing 31 and the lead screw 3.

[0023] The sliding component 4 is used to install and support the object to be slidable. It is slidably installed on the frame through components such as slide rails, and the sliding direction is along the length of the lead screw 3, forming a lead screw driven sliding structure.

[0024] The sliding member 4 is fixedly connected to the load ball device 31. During operation, the lead screw 3 rotates, and the lead screw 3 and the load ball device 31 form a threaded screw drive, which can drive the load ball device 31 and the sliding member 4 to slide synchronously and adjust along the slide rail.

[0025] In this embodiment, the power output shaft 6 and the lead screw 3 are coaxially arranged and connected to each other by a coupling 5. The coupling 5 includes a coupling half 1 and a coupling half 2. The coupling half 1 51 is installed at the end of the lead screw 3, and the coupling half 2 52 is installed at the end of the power output shaft 6. The coupling half 1 51 and the coupling half 2 52 are connected to achieve rotational linkage.

[0026] To maintain the stability of the power output shaft 6 in a stationary state, a worm gear mechanism can be used for transmission. During the driving process, the worm drives the worm wheel to rotate, which enables the output of power. In the non-driving state, the worm gear mechanism can achieve relative self-locking to avoid unnecessary accidental slippage.

[0027] In this embodiment, the photovoltaic panel device for RV deployment and retraction also includes a gearbox 10, which accommodates and supports various transmission components. The power output shaft 6 is rotatably connected to the gearbox 10, and both ends of the power output shaft 6 extend out of the gearbox 10. Moreover, in this embodiment, the power output shaft 6 is used for adjusting the deployment and retraction of the photovoltaic panels and does not require long-term high-speed rotation. Therefore, the power output shaft 6 will not experience excessive wear and can operate normally.

[0028] Furthermore, this embodiment also includes a drive motor 11, which is fixedly installed in the gearbox 10. A transmission mechanism is installed inside the gearbox 10, which enables the drive motor 11 and the power output shaft 6 to be linked.

[0029] In this embodiment, the transmission mechanism includes a gear mechanism 8 and a worm gear mechanism 9. The gear mechanism 8 and the worm gear mechanism 9 can transmit the torque of the drive motor 11 and drive the power output shaft 6 to rotate. Specifically, the drive motor 11 and the gear mechanism 8 are transmitted through the worm gear mechanism 9. The drive motor 11 directly drives the worm gear mechanism 9, and the power is transmitted through the power between the worm gear mechanism 9 and the gear mechanism 8, which in turn drives the power output shaft 6 to rotate.

[0030] Specifically, the gear mechanism 8 includes gear one 81 and gear two 82. Gear one 81 is coaxially mounted on the power output shaft 6, and gear two 82 is rotatably mounted inside the gearbox 10. Gear one 81 and gear two 82 mesh with each other to achieve a transmission connection. Gear one 81 and gear two 82 are compatible spur gears with their axes aligned with the power output shaft 6, enabling the gear mechanism 8 to achieve normal meshing transmission. The number of gears in the gear mechanism 8 can be specifically set according to transmission requirements; it can be two or more to form a suitable meshing transmission structure.

[0031] The worm gear mechanism 9 includes a worm wheel 91 and a worm 92 that mesh and drive each other. The worm 92 is mounted on the motor shaft of the drive motor 11 and is directly driven to rotate by the drive motor 11. The worm wheel 91 is coaxially mounted with gear 82, and the worm wheel 91 and gear 82 maintain synchronous operation through a transmission shaft. The worm wheel 91 and worm 92 mesh and drive each other. When the worm 92 rotates, it can mesh and drive the worm wheel 91 to rotate, thus enabling normal operation. When pushing the photovoltaic panel to move, a self-locking situation can be generated between the worm wheel 91 and worm 92, thereby preventing the sliding part 4 from slipping unexpectedly.

[0032] In this embodiment, the photovoltaic panel device for the RV's deployment and retraction also includes photovoltaic panel 1 and photovoltaic panel 2, which are stacked one on top of the other. Photovoltaic panel 1 is located on the lower layer and is fixedly installed on the vehicle's roof, connected to the frame. Photovoltaic panel 2 can slide relative to photovoltaic panel 1 and has an open and a retracted state. The adjustment of the photovoltaic panel between the open and retracted states is achieved by sliding photovoltaic panel 2.

[0033] Specifically, a slide rail 101 is installed on the frame on the top of the vehicle. A sliding member 201 is slidably connected to the slide rail 101 and is fixedly connected to the photovoltaic panel 2, allowing the photovoltaic panel 2 to slide and adjust relative to the photovoltaic panel 1. In this embodiment, the photovoltaic panel 2 can be driven to slide by a screw mechanism.

[0034] Specifically, the sliding member 4 is fixedly connected to the photovoltaic panel 2, and the sliding direction of the photovoltaic panel 2 is consistent with the moving direction of the sliding member 4, thereby enabling the photovoltaic panel 2 to achieve the retraction and extension movement.

[0035] Reference Figure 1 As shown, when photovoltaic panel 2 slides directly above photovoltaic panel 1, the two overlap, allowing photovoltaic panel 2 to retract and reducing the space occupied by the vehicle-mounted photovoltaic device. (Refer to...) Figure 2 As shown, when photovoltaic panel 2 slides to a position offset from photovoltaic panel 1, photovoltaic panel 2 can be unfolded, which can increase the area of ​​photovoltaic panels and improve the efficiency of photovoltaic power generation.

[0036] During the adjustment process of the photovoltaic panel device, the drive motor 11 can drive the worm 92 to rotate, and the worm 92 can drive the worm wheel 91 to rotate. The worm wheel 91 is coaxially connected with the second gear 82 and can maintain synchronous rotation. Then, the second gear 82 will mesh and drive the first gear 81 to rotate. At the same time, the first gear 81 can drive the power output shaft 6, and the power output shaft 6 can drive the lead screw 3 to rotate through the coupling 5. During the rotation of the lead screw 3, a threaded transmission can be formed between it and the load ball bearing 31, which can drive the sliding member 4 to slide, and then drive the second photovoltaic panel 2 on the sliding member 4 to slide and adjust. After the second photovoltaic panel 2 has been actively adjusted, when the second photovoltaic panel 2 is pushed and slid by an external force, the worm wheel 91 and the worm 92 can form a self-locking mechanism, which can prevent the second photovoltaic panel 2 from being easily pushed, so as to maintain the stability of the position of the second photovoltaic panel 2.

[0037] Furthermore, in this embodiment, the photovoltaic panel device for RV retraction and extension also includes two limit switches 7, which are located at opposite ends of the sliding stroke of the slider 4. When the slider 4 (photovoltaic panel 2) moves to the limit position of its stroke, it will sense the limit switch 7 on one side, triggering a control signal from the motor controller 12, which in turn controls the drive motor 11 to stop running, thereby controlling the adjustment stroke of the photovoltaic panel 2. When the slider 4 (photovoltaic panel 2) moves to the limit position on the other side of its stroke, it will sense the limit switch 7 on the other side, stopping the movement of the photovoltaic panel 2. Through the two limit switches 7, the formation of the photovoltaic panel 2 can be controlled within an appropriate range to ensure that the photovoltaic panel 2 can retract and extend normally.

[0038] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A photovoltaic panel device for the deployment and retrieval of a motorhome, characterized in that, The assembly includes a lead screw (3), a sliding member (4), a coupling (5), and a power output shaft (6). The lead screw (3) is rotatably connected to the frame, and a load ball bearing (31) is threadedly connected to the outer circumference of the lead screw (3). The sliding member (4) is slidably connected to the frame along the length of the lead screw (3), and the sliding member (4) and the load ball bearing (31) are fixedly connected to each other. The power output shaft (6) is coaxially arranged with the lead screw (3) and connected through the coupling (5). It also includes a gearbox (10) and a drive motor (11), wherein the power output shaft (6) is rotatably connected to the gearbox (10), and the end of the power output shaft (6) extends out of the gearbox (10); The gearbox (10) is equipped with a worm gear mechanism (9), which is used to transmit power between the output end of the drive motor (11) and the power output shaft (6).

2. The photovoltaic panel device for RV deployment and retrieval according to claim 1, characterized in that, The gearbox (10) is equipped with a gear mechanism (8), which is used to transmit the torque of the drive motor (11) and drive the power output shaft (6) to rotate; the drive motor (11) and the gear mechanism (8) are driven by a worm gear mechanism (9).

3. A photovoltaic panel device for RV deployment and retrieval according to claim 2, characterized in that, The gear mechanism (8) includes a first gear (81) and a second gear (82). The first gear (81) is coaxially mounted on the power output shaft (6), and the second gear (82) is rotatably mounted in the gearbox (10). The first gear (81) and the second gear (82) are connected to each other through transmission.

4. A photovoltaic panel device for RV deployment and retrieval according to claim 3, characterized in that, The worm gear mechanism (9) includes a worm wheel (91) and a worm (92) that mesh with each other. The worm wheel (91) is coaxially mounted with gear two (82), and the worm (92) is mounted on the motor shaft of the drive motor (11).

5. A photovoltaic panel device for RV deployment and retrieval according to claim 1, characterized in that, It also includes two limit switches (7), which are located at both ends of the sliding stroke of the slider (4).

6. A photovoltaic panel device for RV deployment and retrieval according to claim 5, characterized in that, Two limit switches (7) are used to control the sliding stroke of the two ends of the slider (4).

7. A photovoltaic panel device for RV deployment and retrieval according to any one of claims 1-6, characterized in that, It includes a photovoltaic panel one (1) and a photovoltaic panel two (2), which are stacked one on top of the other. The photovoltaic panel two (2) can slide relative to the photovoltaic panel one (1) and has an open state and a retracted state.

8. A photovoltaic panel device for RV deployment and retrieval according to claim 7, characterized in that, The photovoltaic panel one (1) is fixedly installed on the frame, and the photovoltaic panel two (2) is fixedly installed on the sliding member (4).