Photovoltaic expansion lifting device

Abstract

The utility model discloses a photovoltaic expansion lifting device which comprises a machine frame, a first expansion mechanism, a second expansion mechanism and a third expansion mechanism are sequentially arranged on the machine frame from top to bottom, and the second expansion mechanism and the third expansion mechanism are connected with a second lifting mechanism and a third lifting mechanism respectively. A second translation mechanism is arranged between the second unfolding mechanism and the rack, a third translation mechanism is arranged between the third unfolding mechanism and the rack, the second unfolding mechanism and the third unfolding mechanism horizontally slide on the rack, and the outward sliding direction of the second unfolding mechanism is opposite to the outward sliding direction of the third unfolding mechanism; a second folding supporting mechanism is arranged between the second unfolding mechanism and the rack, a third folding supporting mechanism is arranged between the third unfolding mechanism and the rack, and photovoltaic panels are arranged at the tops of the first unfolding mechanism, the second unfolding mechanism and the third unfolding mechanism. Compared with the prior art, the whole structure is simple, and the hot spot effect can be effectively avoided while stable support is provided for the photovoltaic panel.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation technical field especially is related to a photovoltaic expansion lifting device. BACKGROUND

[0002] Photovoltaic power generation is a kind of technology that utilizes the photovoltaic effect of semiconductor to convert light energy into electric energy directly.Photovoltaic power generation is widely used in various occasions due to its cleanliness and non-pollution.In the prior art, photovoltaic panels are fixedly installed, for example, fixedly installed on the roof, the top of the car, the top of the ship and the like, and converted into electric energy by solar radiation.A patent with publication number CN220964712U discloses a photovoltaic panel telescopic structure, comprising a main frame, at least one horizontal telescopic frame, at least one longitudinal telescopic frame and a plurality of photovoltaic panels, the main frame and the horizontal telescopic frame are both provided with pull-out guide rails, the horizontal telescopic frame is installed on the main frame through the pull-out guide rails and can be telescoped left and right, the longitudinal telescopic frame is installed on the horizontal telescopic frame through the pull-out guide rails and can be telescoped forward and backward, and the photovoltaic panels are installed on the top of the main frame, the horizontal telescopic frame and the longitudinal telescopic frame.It realizes the expansion of the horizontal telescopic frame relative to the main frame and the expansion of the longitudinal telescopic frame relative to the horizontal telescopic frame, thereby increasing the area of the photovoltaic panels irradiated by the sun.However, after expansion, the photovoltaic panels are distributed in a stepped manner in the horizontal direction and the longitudinal direction.After expansion, the photovoltaic panels are in contact with each other, and sometimes the photovoltaic panels are shaded by other photovoltaic panels, resulting in the occurrence of hot spot effect. SUMMARY

[0003] The utility model provides a photovoltaic expansion lifting device to solve the problem that the photovoltaic panels are distributed in a stepped manner after expansion in the prior art, which leads to the occurrence of hot spot effect.

[0004] The utility model provides a photovoltaic expansion lifting device, including frame, the frame is sequentially provided with first expansion mechanism, second expansion mechanism and third expansion mechanism from top to bottom, second expansion mechanism and third expansion mechanism are connected with second lifting mechanism and third lifting mechanism respectively, second translation mechanism is equipped between second expansion mechanism and frame, third translation mechanism is equipped between third expansion mechanism and frame, second expansion mechanism and third expansion mechanism slide horizontally with frame respectively, and the direction of second expansion mechanism outward sliding is opposite with the direction of third expansion mechanism outward sliding;Second folding support mechanism is equipped between second expansion mechanism and frame, third folding support mechanism is equipped between third expansion mechanism and frame, and the top of first expansion mechanism, second expansion mechanism and third expansion mechanism is equipped with photovoltaic panel.

[0005] Preferably, the second unfolding mechanism comprises a support, the support is sequentially provided with a first unfolding plate, a second unfolding plate and a third unfolding plate from top to bottom, the second unfolding plate and the third unfolding plate are respectively in sliding connection with the support, the sliding direction of the second unfolding plate is opposite to the sliding direction of the third unfolding plate, and the photovoltaic panel is arranged on the first unfolding plate, the second unfolding plate and the third unfolding plate.

[0006] Preferably, the second folding support mechanism comprises a first support frame and a second support frame, the first support frame and the second support frame are hinged, the second support frame is hinged to the outer side of the second unfolding mechanism, the first support frame is hinged to the support base, and the support base is connected with a lifting assembly for driving the lifting of the support base.

[0007] Preferably, the lifting assembly comprises a sliding rod, a first lead screw and a lifting motor, the first lead screw is rotationally arranged on the rack, the first lead screw is in threaded connection with the support base, the support base is in sliding connection with the sliding rod, and the lifting motor is used to drive the rotation of the first lead screw.

[0008] Preferably, the first support frame comprises a first rotating part, a horizontal rod, an inclined rod and a second rotating part, the horizontal rod is fixed between the first rotating part and the second rotating part, the inclined rod is fixed between the first rotating part and the second rotating part, the first rotating part is rotationally arranged on the support base, and the second rotating part is rotationally arranged on the second support frame.

[0009] Preferably, the second unfolding plate is provided with a first guide rail, the first guide rail slides horizontally along the first sliding groove of the support, the first guide rail is provided with a first rack, the support is rotationally provided with a first gear, the first gear is in engagement with the first rack, and the first gear is connected with a first stepping motor.

[0010] Preferably, the support is provided with a second guide rail, the second guide rail is provided with a second rack, the second guide rail is located below the first guide rail, the second guide rail slides along the second sliding groove of the rack, the rack is provided with a second stepping motor for driving the rotation of a second gear, and the second gear is in engagement with the second rack.

[0011] Preferably, the rack is fixed with a guide rod, the second sliding groove is connected with the guide rod through a sliding block, the guide rod is in sliding connection with the sliding block, the second sliding groove is connected with a second lead screw through a nut block, the nut block is in threaded connection with the second lead screw, the second lead screw is rotationally arranged on the rack, and the rack is provided with a third stepping motor for driving the rotation of the second lead screw.

[0012] Preferably, the length of the support is greater than the length of the first unfolding plate.

[0013] Preferably, the rack comprises a first receiving layer and a second receiving layer arranged from top to bottom, the first, second and third unfolding mechanisms are located in the first receiving layer, and the first screw rod, the support seat and the slide rod are located on the second receiving layer.

[0014] Compared with the prior art, in the utility model, the second translation mechanism drives the second unfolding mechanism to translate outward and drives the second folding support mechanism to open outward, the second lifting mechanism and the second folding support mechanism jointly drive the photovoltaic panel on the second unfolding mechanism to be flush with the photovoltaic panel on the first unfolding mechanism, and simultaneously jointly provide support for the photovoltaic panel on the second unfolding mechanism, the third translation mechanism drives the third unfolding mechanism to translate outward and drives the third folding support mechanism to open outward, the third lifting mechanism and the third folding support mechanism jointly drive the photovoltaic panel on the third unfolding mechanism to be flush with the photovoltaic panel on the first unfolding mechanism, and simultaneously jointly provide support for the photovoltaic panel on the third unfolding mechanism. The overall structure is simple, can effectively avoid the occurrence of the hot spot effect while providing stable support for the photovoltaic panel. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is an attached view of the utility model;

[0018] Figure 3 It is a rear view of the utility model;

[0019] Figure 4 It is a left view of the utility model;

[0020] Figure 5 It is Figure 3 It is an enlarged schematic view of the structure in A of the utility model;

[0021] Figure 6 It is Figure 4 It is an enlarged schematic view of the structure in B of the utility model;

[0022] Figure 7 It is a structural schematic view when the utility model is unfolded;

[0023] Figure 8 It is a structural schematic view of the second lifting mechanism of the utility model.

[0024] Reference signs:

[0025] 1. Rack, 11. First receiving layer, 12. Second receiving layer, 2. First unfolding mechanism, 3. Second unfolding mechanism, 4. Third unfolding mechanism, 5. Second lifting mechanism, 6. Third lifting mechanism, 7. Second translation mechanism, 8. Third translation mechanism, 9. Second folding support mechanism, 100. Third folding support mechanism, 35. Photovoltaic panel, 31. Bracket, 32. First unfolding plate, 33. Second unfolding plate, 34. Third unfolding plate, 51. Second support, 52. Guide rod, 53. Slider, 54. Nut block, 55. Second lead screw, 56. Third stepper motor, 36. Translation structure, 361. First guide rail, 362. First sliding groove, 363. First rack, 364. First gear, 365. First stepper motor, 71. Second sliding groove, 91. First support frame, 92. Second support frame, 93. Lifting assembly, 931. First support, 932. Slide rod, 933. First lead screw, 934. Lifting motor, 935. Support seat, 911. First rotating part, 912. Cross rod, 913. Inclined rod, 914. Second rotating part. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in combination with the drawings in the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Refer to the drawings Figures 1-4The utility model provides a photovoltaic expansion and lifting device, which comprises a rack 1, the rack 1 is sequentially provided with a first expansion mechanism 2, a second expansion mechanism 3 and a third expansion mechanism 4 from top to bottom, the second expansion mechanism 3 and the third expansion mechanism 4 are respectively connected with a second lifting mechanism 5 and a third lifting mechanism 6, a second translation mechanism 7 is arranged between the second expansion mechanism 3 and the rack 1, a third translation mechanism 8 is arranged between the third expansion mechanism 4 and the rack 1, the second expansion mechanism 3 and the third expansion mechanism 4 slide horizontally with the rack 1, and the outward sliding direction of the second expansion mechanism 3 is opposite to the outward sliding direction of the third expansion mechanism 4, a second folding support mechanism 9 is arranged between the second expansion mechanism 3 and the rack 1, a third folding support mechanism 100 is arranged between the third expansion mechanism 4 and the rack 1, and photovoltaic panels 35 are arranged on the top of the first expansion mechanism 2, the second expansion mechanism 3 and the third expansion mechanism 4. In the utility model, the second translation mechanism 7 and the third translation mechanism 8 drive the second expansion mechanism 3 and the third expansion mechanism 4 to move outward respectively, the second folding support mechanism 9 and the third folding support mechanism 100 are opened respectively along with the second expansion mechanism 3 and the third expansion mechanism 4, when the photovoltaic panels 35 on the first expansion mechanism 2 do not cover the photovoltaic panels 35 on the second expansion mechanism 3 and the third expansion mechanism 4, the second lifting mechanism 5 and the second folding support mechanism 9 drive the second expansion mechanism 3 to ascend upward simultaneously, so that the photovoltaic panels 35 on the second expansion mechanism 3 are flush with the photovoltaic panels 35 on the first expansion mechanism 2, the third lifting mechanism 6 and the third folding support mechanism 100 drive the third expansion mechanism 4 to ascend upward simultaneously, so that the photovoltaic panels on the third expansion mechanism 4 are flush with the photovoltaic panels 35 on the first expansion mechanism 2. The structure design can effectively avoid the generation of hot spot effect, secondly, the second lifting mechanism 5 and the second folding support mechanism 9 support the second expansion mechanism 3 together, and the third lifting mechanism 6 and the third folding support mechanism 100 support the third expansion mechanism 4 together, so that stable support can be provided for the expanded photovoltaic panels 35.

[0028] One embodiment of the second expansion mechanism 3: the second expansion mechanism 3 comprises a support 31, the support 31 is sequentially provided with a first expansion plate 32, a second expansion plate 33 and a third expansion plate 34 from top to bottom, the second expansion plate 33 and the third expansion plate 34 are slidably connected with the support 31, the outward sliding direction of the second expansion plate 33 is opposite to the outward sliding direction of the third expansion plate 34, and the photovoltaic panels 35 are arranged on the first expansion plate 32, the second expansion plate 33 and the third expansion plate 34. Through the structure design, the area of the photovoltaic panels 35 can be increased, so that the power generation capacity is improved.

[0029] Specifically, the number of photovoltaic panels 35 on the first expansion plate 32, the second expansion plate 33 and the third expansion plate 34 is four, and the four photovoltaic panels 35 are distributed in a cross shape.

[0030] As another embodiment of the utility model: the structure of the first unfolding mechanism 2 and the structure of the third unfolding mechanism 4 are same with the structure of the second unfolding mechanism 3.

[0031] One embodiment of the second folding support mechanism 9: refer to the attached Figure 5 , the second folding support mechanism 9 includes first support frame 91 and second support frame 92, first support frame 91 and second support frame 92 are hinged, second support frame 92 is hinged with the outside of the second unfolding mechanism 3, first support frame 91 is hinged with support seat 935, support seat 935 is connected with lifting assembly 93 that drives its lifting. When the second unfolding mechanism 3 moves outward, first support frame 91 and second support frame 92 automatically follow the second unfolding mechanism 3 and open;When the second unfolding mechanism 3 moves inward, first support frame 91 and second support frame 92 automatically follow the second unfolding mechanism 3 and fold. Lifting assembly 93 and second lifting mechanism 5 cooperate to drive the second unfolding mechanism 3 to lift.

[0032] Specifically, the second folding support mechanism 9 has two, along the length direction of the rack 1 distribution.

[0033] One embodiment of the lifting assembly 93: the lifting assembly 93 includes: slide rod 932, first lead screw 933 and lifting motor 934, the first support 931 is fixed on the rack 1, the first lead screw 933 is rotationally arranged on the first support 931, the slide rod 932 is fixed on the first support 931, the first lead screw 933 is threadedly connected with the support seat 935, the support seat 935 is slidably connected with the slide rod 932, and the lifting motor 934 is used to drive the first lead screw 933 to rotate so as to drive the support seat 935 to move up and down along the slide rod 932.

[0034] One embodiment of the first support frame 91: the first support frame 91 includes first rotating part 911, cross bar 912, inclined rod 913 and second rotating part 914, the cross bar 912 is fixed between the first rotating part 911 and the second rotating part 914, the inclined rod 913 is fixed between the first rotating part 911 and the second rotating part 914, the first rotating part 911 is rotationally arranged above the support seat 935, and the second rotating part 914 is rotationally arranged on the second support frame 92. Specifically, the structure of the second support frame 92 is same with the structure of the first support frame 91, the second rotating part 914 of the first support frame 91 is rotationally connected with the first rotating part 911 of the second support frame 92, and the second rotating part 914 of the second support frame 92 is rotationally arranged on the support frame 31.

[0035] As another embodiment of the utility model: the structure of the third folding support mechanism 100 is same with the structure of the second folding support mechanism 9.

[0036] One embodiment of the second unfolding plate 33 along the support frame 31 sliding: refer to the attached Figure 6The first guide rail 361 is provided with a first rack 363, and the support 31 is rotationally provided with a first gear 364 which is engaged with the first rack 363. The first gear 364 is connected with a first stepping motor 365, and the first stepping motor 365 drives the first gear 364 to rotate, thereby driving the first rack 363 to move horizontally. The horizontal movement of the first rack 363 drives the first guide rail 361 to move horizontally along the first sliding groove 362, thereby realizing the translation of the second unfolding plate 33. In the structural design, the first sliding groove 362 on the support 31 supports the second unfolding plate 33 through the first guide rail 361.

[0037] The first guide rail 361, the first sliding groove 362, the first rack 363, the first gear 364 and the first stepping motor 365 constitute a translation structure 36.

[0038] As another embodiment of the utility model, the translation structure 36 of the third unfolding plate 34 is the same as that of the third unfolding plate 33. When the second unfolding mechanism 3 and the third unfolding mechanism 4 are flush with the first unfolding mechanism 2, the second unfolding plate 33 and the third unfolding plate 34 move outward under the drive of the respective first stepping motor 365, and the second unfolding plate 33 and the third unfolding plate 34 are flush with the first unfolding plate 32 under the drive of the respective first stepping motor 365, thereby realizing the complete unfolding of the photovoltaic panel 35. Figure 7 , or the second translation mechanism 7 and the third translation mechanism 8 respectively drive the second unfolding mechanism 3 and the third unfolding mechanism 4 to translate outward, then the second unfolding plate 33 and the third unfolding plate 34 move outward under the drive of the respective first stepping motor 365, finally the second lifting mechanism 5 and the second folding support mechanism 9 jointly drive the photovoltaic panel 35 on the second unfolding mechanism 3 to be flush with the photovoltaic panel 35 on the first unfolding mechanism 2, and the third lifting mechanism 6 and the third folding support mechanism 100 jointly drive the photovoltaic panel 35 on the third unfolding mechanism 4 to be flush with the photovoltaic panel 35 on the first unfolding mechanism 2.

[0039] One embodiment of the sliding of the second unfolding mechanism 3 along the rack 1 is that the support 31 is provided with a second guide rail, the second guide rail is provided with a second rack, the first guide rail 361 is arranged at the upper end of the support 31, the second guide rail is arranged at the lower end of the support 31, the second guide rail is below the first guide rail 361, the second guide rail slides along the second sliding groove 71 of the rack 1, the rack 1 is provided with a second stepping motor which drives a second gear to rotate, the second gear is engaged with the second rack, the second stepping motor drives the second rack to move horizontally through the second gear, and the horizontal movement of the second rack drives the second guide rail to move horizontally along the second sliding groove 71, thereby realizing the translation of the second unfolding mechanism 3. In the structural design, the second sliding groove 71 on the rack 1 supports the second unfolding mechanism 3 through the second guide rail.

[0040] As another embodiment of the utility model: the translation mode of third unfolding mechanism 4 is same with the translation mode of second unfolding mechanism 3.

[0041] One embodiment of second lifting mechanism 5: refer to the drawings Figure 8 Second support 51 is fixed on rack 1, guide rod 52 is fixed on second support 51, second sliding groove 71 is fixedly connected with sliding block 53, guide rod 52 is slidably connected with sliding block 53, second sliding groove 71 is fixedly connected with nut block 54, nut block 54 is threadedly connected with second lead screw 55, second stepper motor is installed on second sliding groove 71, second lead screw 55 is rotationally arranged on second support 51, third stepper motor 56 for driving second lead screw 55 to rotate is arranged on rack 1, third stepper motor 56 drives second sliding groove 71 to move up and down through second lead screw 55, thereby driving support 31 to move up and down, that is, realizing second unfolding mechanism 3 to move up and down.

[0042] As another embodiment of the utility model: the structure of third lifting mechanism 6 is same with the structure of second lifting mechanism 5, and second lifting mechanism 5 and third lifting mechanism 6 are distributed side by side.

[0043] As another embodiment of the utility model: the length of support 31 is greater than the length of first unfolding plate 32, that is, the length of first sliding groove 362 is greater than the length of first unfolding plate 32, second unfolding plate 33 and third unfolding plate 34 are distributed high and low with first unfolding plate 32 after unfolding. Through the setting, when second unfolding plate 33 and third unfolding plate 34 move outward, second unfolding plate 33 and first unfolding plate 32 can be pulled apart by a certain distance, third unfolding plate 34 and first unfolding plate 32 can be pulled apart by a certain distance, thereby effectively avoiding the generation of hot spot effect.

[0044] As another embodiment of the utility model: rack 1 includes first containing layer 11 and second containing layer 12 arranged from top to bottom, first unfolding mechanism 2, second unfolding mechanism 3 and third unfolding mechanism 4 are located in first containing layer 11, first lead screw 933, support seat 935 and sliding rod 932 are all located on first support 931 on second containing layer 12.

[0045] Specifically, two first sliding grooves 362 on support 31 are stacked together.

[0046] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been explained in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A photovoltaic expanded elevator, characterized by, The rack is sequentially provided with a first unfolding mechanism, a second unfolding mechanism and a third unfolding mechanism from top to bottom, the second unfolding mechanism and the third unfolding mechanism are respectively connected with a second lifting mechanism and a third lifting mechanism, a second translation mechanism is arranged between the second unfolding mechanism and the rack, a third translation mechanism is arranged between the third unfolding mechanism and the rack, the second unfolding mechanism and the third unfolding mechanism slide horizontally with the rack, and the sliding direction of the second unfolding mechanism is opposite to that of the third unfolding mechanism; a second folding support mechanism is arranged between the second unfolding mechanism and the rack, a third folding support mechanism is arranged between the third unfolding mechanism and the rack, and the top of the first unfolding mechanism, the second unfolding mechanism and the third unfolding mechanism is provided with a photovoltaic panel.

2. The photovoltaic expanded elevator of claim 1, wherein, The second unfolding mechanism comprises a support, the support is sequentially provided with a first unfolding plate, a second unfolding plate and a third unfolding plate from top to bottom, the second unfolding plate and the third unfolding plate are respectively connected with the support in a sliding mode, the sliding direction of the second unfolding plate is opposite to that of the third unfolding plate, and the photovoltaic panel is arranged on the first unfolding plate, the second unfolding plate and the third unfolding plate.

3. The photovoltaic expanded elevator of claim 2, wherein, The second folding support mechanism comprises a first support frame and a second support frame, the first support frame and the second support frame are hinged, the second support frame is hinged to the outer side of the second unfolding mechanism, the first support frame is hinged to a support base, and the support base is connected with a lifting assembly for driving the lifting thereof.

4. The photovoltaic expanded elevator of claim 3, wherein, The lifting assembly comprises a sliding rod, a first lead screw and a lifting motor, the first lead screw is rotationally arranged on the rack, the first lead screw is threadedly connected with the support base, the support base is connected with the sliding rod in a sliding mode, and the lifting motor is used for driving the rotation of the first lead screw.

5. The photovoltaic expanded lift device of claim 4, wherein, The first support frame comprises a first rotating part, a horizontal rod, an inclined rod and a second rotating part, the horizontal rod is fixed between the first rotating part and the second rotating part, the inclined rod is fixed between the first rotating part and the second rotating part, the first rotating part is rotationally arranged on the support base, and the second rotating part is rotationally arranged on the second support frame.

6. The photovoltaic expanded lift device of claim 5, wherein, The second unfolding plate is provided with a first guide rail, the first guide rail slides horizontally along a first sliding groove of the support, the first guide rail is provided with a first rack, the support is rotationally provided with a first gear, the first gear is engaged with the first rack, and the first gear is connected with a first stepping motor.

7. The photovoltaic expanded lift device of claim 6, wherein, The support is provided with a second guide rail, the second guide rail is provided with a second rack, the second guide rail is located below the first guide rail, the second guide rail slides along a second sliding groove of the rack, the rack is provided with a second stepping motor for driving the rotation of a second gear, and the second gear is engaged with the second rack.

8. The photovoltaic expanded lift device of claim 7, wherein, The rack is fixed with a guide rod, the second sliding groove is connected with the guide rod through a sliding block, the guide rod is connected with the sliding block in a sliding mode, the second sliding groove is connected with a second lead screw through a nut block, the nut block is threadedly connected with the second lead screw, the second lead screw is rotationally arranged on the rack, and the rack is provided with a third stepping motor for driving the rotation of the second lead screw.

9. The photovoltaic expanded lift device of claim 8, wherein, The length of the support is greater than that of the first unfolding plate.

10. The photovoltaic expanded lift device of claim 9, wherein, The rack comprises a first receiving layer and a second receiving layer arranged from top to bottom, the first, second and third unfolding mechanisms are located in the first receiving layer, and the first lead screw, the support seat and the slide rod are located on the second receiving layer.

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