Foldable solar power generation device

Abstract

The utility model relates to a solar power generation device, in particular to a foldable solar power generation device. The utility model provides an improved foldable solar power generation device. The device comprises a moving frame, a mounting frame, a photovoltaic panel, an extension assembly, an extension assembly and the like, the extension assembly is arranged between the moving frame and the mounting frame, the photovoltaic panel is mounted on the extension assembly, and the extension assembly used for completely and horizontally unfolding the photovoltaic panel is arranged between the extension frame and a connecting arm. Through the cooperation effect of the stretching assemblies and the extension assemblies, multiple groups of photovoltaic panels can be unfolded in sequence in the horizontal direction at the same time, the contact area with sunlight can be increased, the problem of illumination shadow caused by shielding does not exist, and the power generation capacity of the device can be improved; and through a photovoltaic panel which can be horizontally unfolded in a straight line, wind resistance can be reduced, and the stability of the device in use can be improved.

Description

Technical Field

[0001] The utility model relates to a solar power generation device, in particular to a retractable solar power generation device. Background Art

[0002] The deployable solar power generation device can be deployed to receive sunlight and generate electricity when needed through its unique deployment and retraction mechanism, and can be retracted to save space and be easy to carry when not needed. This device is widely used in outdoor camping, field operations, spacecraft energy supply and other fields.

[0003] An emergency photovoltaic power generation device is disclosed on the Chinese patent website, and its authorization announcement number is CN211908701U. The device includes a base, a telescopic mechanism is installed on the base, and the telescopic mechanism is composed of a plurality of parallelogram mechanisms superimposed. Controlling the movement of one parallelogram mechanism can drive the synchronous movement of other parallelograms. The parallelogram mechanisms are mutually hinged and connected. A plurality of parallel photovoltaic power generation panels are installed on the base frame, and the two sides of the base frame are respectively connected to one side of the parallelogram. The device adopts an upper and lower stacking structure layout, and realizes the stacking placement in the upper and lower spaces under the drive of the parallelogram mechanism. However, during use, when the device is fully extended, as the sunlight trajectory moves, the photovoltaic power generation panel on the lower side is easily blocked by the photovoltaic panel on the upper side, thereby generating a shadow, which in turn may have an adverse effect on the power generation of the photovoltaic power generation panel. In addition, since the photovoltaic panels of the device are vertically stacked and distributed when extended, the wind resistance coefficient they are subjected to is large, which may cause the problem of unstable center of gravity of the device, and there are certain safety hazards.

[0004] Therefore, it is necessary to improve the shortcomings of the above technical solutions, and propose an improved deployable solar power generation device, which aims to solve the problems of light shadow and unstable center of gravity that may exist in the above device. Utility Model Content

[0005] In order to overcome the problem that some photovoltaic panels of existing devices are easily blocked during actual use, resulting in light shadows and affecting power generation, and the relatively large wind resistance coefficient easily causes unstable center of gravity, which in turn poses certain safety hazards, the technical problem to be solved by this device is to provide an improved deployable solar power generation device.

[0006] The technical solution is: a retractable solar power generation device, including a mobile frame, a mounting frame, a power generation device and a photovoltaic panel, a mounting frame is arranged in the middle of the mobile frame, and the power generation device is installed on the mounting frame, characterized in that: it also includes a stretching component and an extension component, a stretching component is arranged between the mobile frame and the mounting frame, the photovoltaic panel is installed on the stretching component, and the photovoltaic panel is electrically connected to the controller in the electrical device, the extension component includes a guide rail, a cylinder 1, a connecting arm, a stretching frame and a connecting shaft, a guide rail between the mobile frame and the mounting frame, a cylinder 1 is installed on the guide rail, a connecting arm is connected to the telescopic rod of the cylinder 1, and the connecting arm can be slidably sleeved on the guide rail, a connecting shaft is rotatably sleeved on the connecting arm, an extension frame is hingedly connected between the connecting shaft and the upper part of the mounting frame, the photovoltaic panels are distributed on the stretching frame in sequence, and an extension component for fully horizontally unfolding the photovoltaic panel is arranged between the stretching frame and the connecting arm.

[0007] Furthermore, the extension assembly includes a gear, a guide sleeve, a rack rack, an elastic member and a contact wheel, the end of the connecting shaft is fitted with a gear, a guide sleeve is provided at the bottom of the connecting arm, a rack rack is slidably penetrated on the guide sleeve, the gear can engage with the teeth on the rack rack, an elastic member is connected between the rack rack and the guide sleeve, a rotatable contact wheel is installed on the side of the bottom of the extension frame close to the gear, and the contact wheel can abut against the rack rack so that the rack rack can move and push the gear to rotate.

[0008] Furthermore, the stretch frame and the photovoltaic panel can be folded into an N-shaped state.

[0009] Furthermore, the stretching frame and the photovoltaic panel can be stretched into a straight line state.

[0010] Furthermore, it also includes a protection component, which includes a protection plate, an insert plate and a limit piece. The left and right sides of the mobile frame are respectively hingedly connected with a protection plate that can be folded and unfolded. The bottom of the mobile frame is slidably sleeved with an insert plate that can clamp and limit the protection plate. The upper part of the mobile frame is provided with a limit piece for clamping the protection plate.

[0011] Furthermore, the limiting member includes an insertion rod and a spring. The upper sliding sleeve of the movable frame is provided with an insertion rod that can be inserted into the protective plate. The insertion rod is provided with a spring. One end of the spring is connected to the movable frame, and the other end is connected to the insertion rod.

[0012] Furthermore, it also includes a tilt adjustment component, which includes a second cylinder, a support plate and a photosensitive sensor. The second cylinder is respectively installed on the front and rear inner walls of the mobile frame, and the end of the telescopic rod of the second cylinder is connected to the support plate. The top of the mounting frame is embedded with a photosensitive sensor, and the photosensitive sensor and the second cylinder are electrically connected to the controller in the power generation device.

[0013] The beneficial effects are: 1. Through the cooperation of the stretching assembly and the extension assembly, multiple groups of photovoltaic panels can be simultaneously unfolded horizontally in sequence, which is beneficial to increase the contact area with sunlight, and there is no problem of light shadow caused by blocking, which is beneficial to increase the power generation of the device; and by being able to horizontally unfold the photovoltaic panels in a straight line, it is beneficial to reduce wind resistance, which is beneficial to improve the stability of the device when used.

[0014] 2. The limiters and protective parts can help to enhance the stability of the device when it is deployed, and the wind resistance is relatively small. After use, it can be folded for easy transportation and transfer, and is easy to use. The inclination adjustment component can facilitate the convenient adjustment of the inclination of the photovoltaic panel after deployment to ensure that the photovoltaic panel can receive the sun's light to the greatest extent, thereby helping to improve the power generation efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a diagram of the folded state of the utility model.

[0016] Figure 2 This is a diagram of the expanded state of the present utility model.

[0017] Figure 3 It is a top view of the utility model.

[0018] Figure 4 It is a partial three-dimensional structural schematic diagram of the utility model in a folded state.

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the extension component of the utility model.

[0020] Figure 6 It is a partial three-dimensional structural schematic diagram of the utility model in an unfolded state.

[0021] Figure 7 This is a diagram of the unfolded state of the protective plate of the utility model.

[0022] The names and serial numbers of the parts in the figure are: 1_mobile frame, 2_mounting frame, 3_power generation device, 4_guide rail, 5_cylinder one, 6_connecting arm, 7_extension frame, 70_connecting shaft, 8_photovoltaic panel, 9_gear, 10_guide sleeve, 11_rack frame, 12_elastic member, 13_contact wheel, 14_protective plate, 15_insertion plate, 16_insertion rod, 17_spring, 18_cylinder two, 19_support plate, 20_photosensitive sensor. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Embodiment: The utility model provides a retractable solar power generation device, see Figures 1 to 7 As shown, it includes a mobile frame 1, a mounting frame 2, a power generation device 3, a photovoltaic panel 8, a stretching component and an extension component. A mounting frame 2 is arranged in the middle of the mobile frame 1, and a power generation device 3 is installed on the mounting frame 2. Two groups of stretching components are arranged between the mobile frame 1 and the mounting frame 2. There are 6 photovoltaic panels 8, which are respectively installed on the two groups of stretching components, and each photovoltaic panel 8 is electrically connected to the controller in the power generation device 3. The photovoltaic panels 8 can be unfolded in a horizontal state in sequence through the stretching component, which is not only beneficial to increase the receiving area for sunlight, but also beneficial to reduce the wind resistance coefficient, and thus beneficial to improve the stability of the device when it is unfolded and used. The stretching component includes a guide rail 4, a cylinder 5, a connecting arm 6, a stretching frame 7 and a connecting shaft 70. The mobile frame 1 and the mounting frame 2, a guide rail 4 is provided, a cylinder 5 is provided on the guide rail 4, a connecting arm 6 is connected to the telescopic rod of the cylinder 5, and the connecting arm 6 can be slidably sleeved on the guide rail 4, a connecting shaft 70 is rotatably sleeved on the connecting arm 6, an extension frame 7 is hingedly connected between the connecting shaft 70 and the upper part of the mounting frame 2, and each photovoltaic panel 8 is sequentially distributed on the extension frame 7, and the extension frame 7 and the photovoltaic panel 8 can be folded into an N-shaped state, which is conducive to saving space occupation; the extension frame 7 and the photovoltaic panel 8 can be extended into a straight line state, which is conducive to reducing the wind resistance coefficient and improving the stability during use; an extension component is provided between the extension frame 7 and the connecting arm 6, and the photovoltaic panel 8 can be fully horizontally unfolded through the extension component, which is conducive to increasing the receiving area of ​​sunlight.

[0025] For further information, see Figures 1 to 6As shown, the extension assembly includes a gear 9, a guide sleeve 10, a rack frame 11, an elastic member 12 and a contact wheel 13. The end of the connecting shaft 70 is fitted with a gear 9, and a guide sleeve 10 is provided at the bottom of the connecting arm 6. A rack frame 11 is slidably penetrated on the guide sleeve 10, and a portion of the rack frame 11 is designed in a right-angled trapezoidal structure. The gear 9 can mesh with the teeth on the rack frame 11, and an elastic member 12 is connected between the rack frame 11 and the guide sleeve 10. The elastic member 12 is a pulling spring, which is used to provide a horizontal pulling and resetting effect on the rack frame 11. A rotatable contact wheel 13 is installed on the side of the bottom of the extension frame 7 close to the gear 9, and the contact wheel 13 can abut against the rack frame 11. When the contact wheel 13 moves upward and contacts with the rack frame 11, it can push the rack frame 11 to move and thereby drive the gear 9 and the photovoltaic panel 8 thereon to rotate.

[0026] After the device is moved to the specified position, when the photovoltaic panel 8 needs to be stretched out in a straight line, it is only necessary to control the cylinder 15 to extend the telescopic rod thereon, so that the connecting arm 6 and the connecting shaft 70 thereon can be driven to move horizontally, so that the stretching frame 7 can horizontally unfold the photovoltaic panel 8 thereon; at the same time, when the contact wheel 13 abuts against the corresponding rack rack 11, the pushing action of the rack rack 11 can drive the gear 9 and the connecting shaft 70 to rotate accordingly, and then the outer stretching frame 7 and the photovoltaic panel 8 can be fully unfolded into a horizontal state, which is beneficial to increase the receiving area of ​​the photovoltaic panel 8 and the sunlight, and thus is beneficial to increase the power generation of the device; the protective plates 14 on the left and right sides are turned over and unfolded, and the plug plate 15 is plugged into the corresponding protective plate 14, so that the protective plate 14 can be firmly connected to the mobile frame 1, which is beneficial to improve the stability of the device when it is unfolded and used, and avoid being blown down by the wind due to the large contact area.

[0027] Embodiment 2: Based on Embodiment 1, refer to Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, a protection component is also included, which includes a protection plate 14, an inserting plate 15 and a limiting member. The left and right sides of the mobile frame 1 are respectively hingedly connected with the protection plates 14, and the protection plates 14 are designed as an L-shaped structure. After the protection plates 14 are folded and unfolded, the stability of the device can be enhanced; a sliding sleeve is provided at the bottom of the mobile frame 1 with an inserting plate 15 that can clamp and limit the protection plate 14. The inserting plate 15 is plugged into the limiting sleeve of the protection plate 14, which can clamp and limit the protection plate 14. A limiting member is provided on the upper part of the mobile frame 1, and the limiting member can clamp and limit the folded and folded protection plate 14.

[0028] For further information, see Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, the limiting member includes an insertion rod 16 and a spring 17. The upper sliding sleeve of the mobile frame 1 is provided with an insertion rod 16 which can be inserted into the protective plate 14. The spring 17 is sleeved on the insertion rod 16. One end of the spring 17 is connected to the mobile frame 1, and the other end is connected to the insertion rod 16. The insertion rod 16 is inserted into the protective plate 14 after being folded and closed, which can clamp and limit the protective plate 14, thereby facilitating the movement and transportation of the device.

[0029] In addition, see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, it also includes a tilt adjustment component, through which the tilt adjustment component can automatically adjust the tilt angle of the photovoltaic panel 8, which is beneficial to improve the utilization efficiency of solar energy and thus improve the power generation efficiency of the device. The tilt adjustment component includes a cylinder 18, a support plate 19 and a photosensitive sensor 20. The cylinder 18 is respectively installed on the front and rear inner walls of the mobile frame 1, and the end of the telescopic rod of the cylinder 18 is connected to the support plate 19. The photosensitive sensor 20 is embedded on the top of the mounting frame 2, and the photosensitive sensor 20 and the cylinder 18 are electrically connected to the controller in the power generation device 3.

[0030] When it is necessary to adjust the irradiation angle between the photovoltaic panel 8 and the sunlight, the automatic tracking of the sunlight by the photosensitive sensor 20 can automatically control the corresponding cylinder 2 18 to extend its telescopic rod, thereby conveniently adjusting the inclination angle of the photovoltaic panel 8 after unfolding, which is beneficial to maximizing the contact area between the photovoltaic panel 8 and the sunlight, thereby further improving the power generation of the device.

[0031] Although the present disclosure has been shown and described with reference to specific exemplary embodiments of the present disclosure, it should be understood by those skilled in the art that various changes in form and details may be made to the present disclosure without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. Therefore, the scope of the present disclosure should not be limited to the above-mentioned embodiments, but should be determined not only by the appended claims, but also by the equivalents of the appended claims.

Claims

1. A retractable solar power generation device, comprising a mobile frame (1), a mounting frame (2), a power generation device (3) and a photovoltaic panel (8), wherein the mobile frame (1) is provided with a mounting frame (2) in the middle, and the power generation device (3) is mounted on the mounting frame (2), characterized in that: The invention also comprises a stretching assembly and an extension assembly, wherein the stretching assembly is arranged between the moving frame (1) and the mounting frame (2), the photovoltaic panel (8) is mounted on the stretching assembly, and the photovoltaic panel (8) is electrically connected to a controller in the power generation device (3), the stretching assembly comprises a guide rail (4), a cylinder (5), a connecting arm (6), a stretching frame (7) and a connecting shaft (70), the guide rail (4) is arranged between the moving frame (1) and the mounting frame (2), the cylinder (5) is mounted on the guide rail (4), and the photovoltaic panel (8) is electrically connected to a controller in the power generation device (3). ), a connecting arm (6) is connected to the telescopic rod of the cylinder (5), and the connecting arm (6) can be slidably sleeved on the guide rail (4), a connecting shaft (70) is rotatably sleeved on the connecting arm (6), an extension frame (7) is hingedly connected between the connecting shaft (70) and the upper part of the mounting frame (2), the photovoltaic panels (8) are distributed on the extension frame (7) in sequence, and an extension component for completely horizontally unfolding the photovoltaic panels (8) is provided between the extension frame (7) and the connecting arm (6).

2. A retractable solar power generation device as claimed in claim 1, characterized in that: The extension assembly comprises a gear (9), a guide sleeve (10), a rack frame (11), an elastic member (12) and a contact wheel (13); the end of the connecting shaft (70) is sleeved with a gear (9); the bottom of the connecting arm (6) is provided with a guide sleeve (10); a rack frame (11) is slidably penetrated on the guide sleeve (10); the gear (9) can mesh with the teeth on the rack frame (11); an elastic member (12) is connected between the rack frame (11) and the guide sleeve (10); a rotatable contact wheel (13) is installed on the side of the bottom of the extension frame (7) close to the gear (9); and the contact wheel (13) can abut against the rack frame (11) so that the rack frame (11) can move and push the gear (9) to rotate.

3. The retractable solar power generation device according to claim 1, characterized in that: The stretching frame (7) and the photovoltaic panel (8) can be folded into an N-shaped state.

4. The retractable solar power generation device according to claim 1, characterized in that: The stretching frame (7) and the photovoltaic panel (8) can be stretched into a straight line state.

5. The retractable solar power generation device according to claim 1, characterized in that: The invention also comprises a protection component, the protection component comprising a protection plate (14), an insert plate (15) and a limiter, the left and right sides of the mobile frame (1) are respectively hingedly connected with a protection plate (14) capable of being folded and unfolded, the bottom of the mobile frame (1) is slidably sleeved with an insert plate (15) capable of clamping and limiting the protection plate (14), and the upper part of the mobile frame (1) is provided with a limiter for clamping the protection plate (14).

6. A retractable solar power generation device as claimed in claim 5, characterized in that: The limiting member comprises an insertion rod (16) and a spring (17); the upper sliding sleeve of the movable frame (1) is provided with an insertion rod (16) which can be inserted into the protective plate (14); the insertion rod (16) is sleeved with a spring (17); one end of the spring (17) is connected to the movable frame (1), and the other end is connected to the insertion rod (16).

7. The retractable solar power generation device according to claim 1, characterized in that: It also includes an inclination adjustment component, which includes a second cylinder (18), a support plate (19) and a photosensitive sensor (20). The second cylinder (18) is respectively installed on the front and rear inner walls of the mobile frame (1), and the end of the telescopic rod of the second cylinder (18) is connected to the support plate (19). The top of the mounting frame (2) is embedded with a photosensitive sensor (20), and the photosensitive sensor (20) and the second cylinder (18) are both electrically connected to the controller in the power generation device (3).

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