Tracking type photovoltaic device

Abstract

The utility model relates to the technical field of photovoltaic devices, in particular to a tracking type photovoltaic device, which comprises a horizontal shaft, the horizontal shaft comprises a fixing piece and a movable outer cylinder, the fixing piece is in a rod shape and is used for being fixedly connected with an external supporting structure, the movable outer cylinder is sleeved on the fixing piece, and the movable outer cylinder is driven by a power source to rotate around the fixing piece. The movable outer cylinder can rotate around the fixed part; the booster is connected to an external supporting structure, and the booster comprises a movable end; the middle piece comprises a middle piece body and a first transmission part, the middle piece body is fixedly connected with the first transmission part, the middle piece body is connected with the movable outer barrel, the middle piece body is used for installing a load of the horizontal shaft, and the first transmission part is used for being in transmission connection with the movable end. The tracking type photovoltaic device has the advantages that the production cost of the tracking type photovoltaic device is reduced, and the stability of the tracking type photovoltaic device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic device technical field, specifically relates to a tracking photovoltaic device. BACKGROUND

[0002] As a clean renewable energy, solar energy has been more and more applied, especially the photovoltaic industry that converts solar energy into electric energy, in order to improve the solar energy conversion efficiency, the photovoltaic panel can be driven to track sunlight through driving structure, and in order to reduce energy consumption, booster is used to assist horizontal shaft, and transmission connection is formed between horizontal shaft and energy accumulator, for example: in the prior application of the applicant, a photovoltaic tracking device is disclosed in Chinese patent application (application number CN2024227132249), in the patent application, the horizontal shaft (i.e. horizontal shaft) is connected with the photovoltaic module while forming transmission connection with the energy storage structure (i.e. booster), in the working process of photovoltaic device, the movable outer cylinder bears the torsion force from the booster and the photovoltaic module, and the movable outer cylinder is easy to be damaged, in order to prevent the movable outer cylinder from being damaged, the quality of the movable outer cylinder needs to be improved, therefore, the production cost of photovoltaic device is increased, therefore, how to reduce the cost is the problem to be solved at present. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a tracking photovoltaic device to solve the problem of high production cost of the existing photovoltaic device.

[0004] The utility model is implemented by the following technical scheme:

[0005] The utility model discloses a tracking photovoltaic device, which comprises:

[0006] The horizontal shaft comprises a fixed part and a movable outer cylinder, the fixed part is rod-shaped, the fixed part is used for fixed connection with an external support structure, the movable outer cylinder is sleeved on the fixed part, and under the drive of a power source, the movable outer cylinder can rotate around the fixed part.

[0007] The booster is connected to the external support structure, and the booster comprises a movable end.

[0008] The intermediate part is connected with the movable outer cylinder and is used for mounting the load of the horizontal shaft, and a first transmission part is further arranged on the intermediate part, and the first transmission part is used for transmission connection with the movable end.

[0009] Under the drive of the external power source, when the load moves downward from a high place, the first transmission part drives the movable end to make the booster store energy, and when the load moves upward from a low place, the booster assists the external power source to drive the load through the transmission cooperation of the movable end and the first transmission part.

[0010] Optionally, the intermediate piece is a columnar body, a through hole is arranged along the length direction of the intermediate piece and penetrates the intermediate piece, the intermediate piece is sleeved on the movable outer cylinder through the through hole and is connected with the movable outer cylinder.

[0011] Optionally, an outer peripheral surface of the intermediate piece is provided with a mounting surface for connecting with the load.

[0012] Optionally, the intermediate piece comprises two side plates and a connecting plate connecting the two side plates, and the two side plates are both provided with a reserved hole, the intermediate piece is sleeved on the movable outer cylinder through the reserved hole and is connected with the movable outer cylinder.

[0013] Optionally, the intermediate piece further comprises a sleeve, the sleeve is connected with the reserved hole, and an inner peripheral surface of the sleeve is connected with the movable outer cylinder.

[0014] Optionally, the inner peripheral surface of the sleeve is provided with a first limiting part, an outer peripheral surface of the movable outer cylinder is provided with a second limiting part, the first limiting part cooperates with the second limiting part to limit the circumferential position of the intermediate piece relative to the movable outer cylinder.

[0015] Optionally, the first limiting part is an internal spline of the inner peripheral surface of the sleeve, and the second limiting part is an external spline of the outer peripheral surface of the movable outer cylinder.

[0016] Optionally, the intermediate piece further comprises a bottom plate, the bottom plate is used for connecting the load, two sides of the bottom plate are connected with the two side plates respectively and are connected with the connecting plate.

[0017] Optionally, the first transmission part is arranged on the outer peripheral surface of the intermediate piece and / or the end portion of the intermediate piece.

[0018] Optionally, the utility model further comprises a first transmission part, the first transmission part is fixedly connected with the intermediate piece, and the first transmission part is arranged on the first transmission part.

[0019] The utility model discloses a follow -up photovoltaic device, which can reduce the production cost of the follow -up photovoltaic device, increase the stability of the follow -up photovoltaic device, and select different intermediate pieces according to the demand of the follow -up photovoltaic device.

[0020] Firstly, in the follow -up photovoltaic device, the intermediate piece is connected with the movable outer cylinder of the horizontal shaft, and the movable end of the booster also forms transmission connection with the intermediate piece, so that when the photovoltaic device works, the torsion from the horizontal shaft and the booster directly acts on the intermediate piece instead of the movable outer cylinder, the requirement of the movable outer cylinder can be reduced, and the production cost of the photovoltaic device is reduced.

[0021] Second, according to the tracking photovoltaic device needs of the utility model, select different intermediate, when considering the quality problem, select the intermediate that is columnar, the intermediate is integrally formed, has good strength and quality, is not easy to damage, if considering the cost and weight problem, select the intermediate that is composed of side plate and connecting plate, the intermediate is connected by a plurality of plate pieces, the weight is lower, and processing is convenient, the cost is lower.

[0022] Third, when selecting the intermediate that is composed of side plate and connecting plate, sleeve is arranged in the intermediate, the sleeve is connected with the outer cylinder of the movable piece, under the action of the sleeve, the contact area between the intermediate and the movable outer cylinder is increased, thereby the stability of the connection between the intermediate and the movable outer cylinder is increased, the horizontal shaft stably drives the external load activity of the horizontal shaft through the intermediate, and the stability of the tracking photovoltaic device is increased. BRIEF DESCRIPTION OF DRAWINGS

[0023] The following drawings detail the exemplary embodiments disclosed in the present application. Same reference numerals in several views of the drawings represent similar structures. Those skilled in the art will understand that these embodiments are non-limiting, exemplary embodiments, and the drawings are only for the purpose of illustration and description, and are not intended to limit the scope of the present application, and other ways of embodiments can also equally complete the application intention in the present application. It should be understood that the drawings are not drawn to scale. Among them:

[0024] Figure 1 It is a schematic diagram of the tracking photovoltaic device of the embodiment of the present application;

[0025] Figure 2 It is a schematic diagram of the first implementation mode of the intermediate in Figure 1

[0026] Figure 3 It is a front view schematic diagram of Figure 2

[0027] Figure 4 It is a schematic diagram of the second implementation mode of the intermediate in Figure 1

[0028] In the drawings, the respective marks are:

[0029] 1, intermediate; 11, first gear; 12, side plate; 13, connecting plate; 14, sleeve; 141, inner spline; 15, bottom plate;

[0030] 2, horizontal shaft;

[0031] 3, booster; 31, second gear;

[0032] 4, transmission chain;

[0033] 5, photovoltaic module.​​​ Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the described embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. It is understood that, without conflict, some technical means of the various embodiments described herein can be substituted for or combined with each other.

[0035] In the description of this application, the terms "first," "second," etc., are used only to distinguish the described objects and have no sequential or technical meaning. Therefore, objects specified with "first," "second," etc., may explicitly or implicitly include one or more of those objects. Furthermore, the words "one" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one, while "multiple" indicates at least two.

[0036] In the description of this application, the terms "connection," "abutment," "installation," "fixation," "contact," "support," and "reception," etc., should be interpreted broadly. For example, "connection" can be a split connection or a one-piece connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a non-detachable connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can also refer to the internal communication of two components or the interaction between two components. As another example, "abutment" can be a direct abutment or an indirect abutment through an intermediate medium. Furthermore, "reception" does not necessarily mean complete containment of the entire component; this concept also includes the containment of a portion that protrudes externally. Those skilled in the art can understand the specific meaning of the aforementioned terms in this application according to the specific circumstances.

[0037] In the description of this application, if there are terms such as "A is connected to B in a rotatable manner", it means that A and B are directly or indirectly connected, and A is able to rotate relative to B.

[0038] In the description of this application, references to "one embodiment" or "some embodiments" mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized.

[0039] As Figures 1 to 4 shown, the embodiment discloses a tracking photovoltaic device, comprising:

[0040] A horizontal shaft 2, comprising a fixed part and a movable outer cylinder, the fixed part is in the shape of a rod, and the fixed part is used for fixed connection with an external support structure, and the movable outer cylinder is sleeved on the fixed part, and under the driving of a power source, the movable outer cylinder can rotate around the fixed part;

[0041] A booster 3 connected to the external support structure, the booster 3 comprising a movable end;

[0042] An intermediate part 1 connected with the movable outer cylinder, used for mounting the load of the horizontal shaft 2, and a first transmission part is further arranged on the intermediate part 1, and the first transmission part is used for transmission connection with the movable end;

[0043] Under the driving of an external power source, when the load moves downward from a high place, the first transmission part drives the movable end to make the booster 3 store energy, and when the load moves upward from a low place, the booster 3 assists the external power source to drive the load through the transmission cooperation of the movable end and the first transmission part.

[0044] It should be noted that in the embodiment, the load of the horizontal shaft 2 described above can be only a group of photovoltaic modules 5 directly connected to the intermediate part 1, or a vertical power assembly connected to the intermediate part 1 and photovoltaic modules 5 connected to the vertical power assembly. Among them, the photovoltaic module 5 can be an independent photovoltaic panel, or a plurality of photovoltaic panels. Therefore, in the embodiment, the horizontal shaft 2 provides power for photovoltaic tracking of the photovoltaic module 5, and the detailed functions and structures of the horizontal shaft 2 have been described in detail in the Chinese patents previously submitted by the applicant (such as application number CN2022116054218; CN2022116053126), which will not be repeated here. The booster 3 can provide auxiliary force for the horizontal shaft 2 to drive the photovoltaic module 5 to move, and the detailed functions and structures of the booster 3 have been described in detail in the Chinese patents previously submitted by the applicant (such as application number: CN202420340371.3; CN202410203081.9), which will not be repeated here.

[0045] It should be noted that in the embodiment, the intermediate piece 1 is used to connect the movable outer cylinder of the horizontal shaft 2 and the load of the horizontal shaft 2, the first transmission part provided on the intermediate piece 1 is used to form transmission connection between the movable outer cylinder and the movable end of the booster 3, and thus the torsion from the horizontal shaft 2 and the booster 3 can directly act on the intermediate piece 1 when the photovoltaic device performs photovoltaic tracking. Under the action of the intermediate piece 1, the intermediate piece 1 can be integrally formed if the strength of the intermediate piece 1 is considered, and the intermediate piece 1 can also be a split structure if the cost and the weight of the intermediate piece 1 are considered.

[0046] It should be noted that in the embodiment, when the intermediate piece 1 is integrally formed, the intermediate piece 1 is a columnar body, a through hole penetrating through the intermediate piece 1 is arranged along the length direction of the intermediate piece 1, and the intermediate piece 1 is sleeved on the movable outer cylinder through the through hole and connected with the movable outer cylinder.

[0047] Further, in the embodiment, in order to facilitate the connection between the intermediate piece 1 and the load of the horizontal shaft 2, an installation surface for connecting with the load of the horizontal shaft 2 is arranged on the outer circumferential surface of the intermediate piece 1, and the installation surface can be arranged on the outer circumferential surface of the columnar intermediate piece 1 or on any one end or both ends of the columnar intermediate piece 1.

[0048] It should be noted that when the intermediate piece 1 is integrally formed, the intermediate piece 1 has better strength and is not easy to be damaged, and thus the quality of the intermediate piece 1 is better.

[0049] It should be noted that in the embodiment, as shown in Figures 2 to 4 when the intermediate piece 1 is a split structure, the intermediate piece 1 includes two side plates 12 and a connecting plate 13 connecting the two side plates 12, and a reserved hole is arranged on each of the two side plates 12, and the intermediate piece 1 is sleeved on the movable outer cylinder through the reserved hole and connected with the movable outer cylinder.

[0050] Further, in the embodiment, in order to increase the stability of the connection between the intermediate piece 1 and the movable outer cylinder, the connection area of the intermediate piece 1 and the movable outer cylinder can be increased, and the implementation manners include but are not limited to the following manners: the intermediate piece 1 further includes a sleeve 14 connected with the reserved hole, and the inner circumferential surface of the sleeve 14 is connected with the movable outer cylinder.

[0051] It should be noted that the first implementation manner of the sleeve 14 is that, as shown in Figure 2 the sleeve 14 is one, and one sleeve 14 can be arranged in the reserved holes in the two side plates 12; the second implementation manner of the sleeve 14 is that, as shown in Figure 4 the sleeve 14 is two, the two sleeves 14 are coaxially arranged, and the two sleeves 14 are arranged in the reserved holes in the two side plates 12 respectively.

[0052] Further, in the embodiment, to limit the circumferential position of the intermediate part 1 relative to the movable outer cylinder, the inner circumferential surface of the sleeve 14 can be directly welded on the movable outer cylinder, or a first limiting part can be arranged on the inner circumferential surface of the sleeve 14, and a second limiting part can be arranged on the outer circumferential surface of the movable outer cylinder, and the first limiting part cooperates with the second limiting part.

[0053] It should be noted that, on the basis of meeting the function of the first limiting part, as shown in Figure 4 , the first limiting part can be an internal spline 141 on the inner circumferential surface of the sleeve 14, and the second limiting part can be an external spline on the outer circumferential surface of the movable outer cylinder, which cooperates with the internal spline 141; or the first limiting part can be a tooth block on the inner circumferential surface of the sleeve 14, and the second limiting part can be a protrusion or a recess on the outer circumferential surface of the movable outer cylinder, which cooperates with the tooth block.

[0054] Further, in the embodiment, to facilitate the connection of the load of the intermediate part 1 and the horizontal shaft 2, as shown in Figures 2 to 4 , the intermediate part 1 further comprises a bottom plate 15, which is used to connect the load of the horizontal shaft 2, and the two sides of the bottom plate 15 are connected with the two side plates 12 respectively, and the bottom plate 15 is connected with the connecting plate 13. The bottom plate 15 is provided with through holes or screw holes for facilitating the connection of the load of the horizontal shaft 2.

[0055] It should be noted that, when the intermediate part 1 is a split structure, it is more convenient for processing, has lower weight, and thus has lower manufacturing cost.

[0056] It should be noted that, in the embodiment, the movable outer cylinder of the horizontal shaft 2 is in transmission connection with the movable end of the booster 3 through the first transmission part of the intermediate part 1, and on the premise of meeting the transmission connection of the two, the first transmission part can be directly arranged on the intermediate part 1, or indirectly arranged on the intermediate part 1,

[0057] When the first transmission part is directly arranged on the intermediate part 1, the first transmission part can be arranged on the outer circumferential surface of the intermediate part 1, or arranged on the end of the intermediate part 1, or arranged on both the outer circumferential surface and the end of the intermediate part 1, for example, when the intermediate part 1 is integrally formed, the first transmission part can be the outer circumferential surface of the intermediate part 1, which can be matched with the transmission belt, or the first transmission part can be a tooth or a tooth groove arranged on the outer circumferential surface or the end of the intermediate part 1, which can be in transmission with the movable end; when the intermediate part 1 is a split structure, the first transmission part can be arranged on the side plate 12, or arranged on the connecting plate 13, or arranged on both the side plate 12 and the connecting plate 13.

[0058] It should be understood that, when the first transmission part is directly arranged on the intermediate part 1, the structure of the intermediate part 1 is more compact, which is conducive to reducing the material cost.

[0059] The first transmission part can also be indirectly arranged on the intermediate piece 1, in which case a first transmission member is further included, and the first transmission part is arranged on the first transmission member, which is fixedly connected to the intermediate piece 1, for example, as shown in Figures 1 to 4 When the first transmission member is the first gear 11, the first transmission part is the tooth on the gear for transmission.

[0060] It should be understood that when the first transmission part is indirectly arranged on the intermediate piece 1, the machining process of the intermediate piece 1 can be reduced, thereby reducing the machining cost, and when the first transmission part needs to be replaced, the maintenance cost can also be reduced.

[0061] It should be noted that when the first transmission part is the tooth or the tooth groove arranged on the outer circumferential surface or the end surface of the intermediate piece 1 and capable of forming transmission with the movable end, or the first transmission member is the first gear 11 independent of the intermediate piece 1, the output end of the booster is connected to the second gear 31 matched with the tooth, the tooth groove or the first gear 11, and the two are engaged, or the transmission chain 4 is wrapped around the outer side tooth surface of the two.

[0062] The advantages of the embodiment are: reducing the production cost of the tracking photovoltaic device, increasing the stability of the tracking photovoltaic device, and selecting different intermediate pieces 1 according to the needs of the tracking photovoltaic device.

[0063] First, in the tracking photovoltaic device proposed in the embodiment, the intermediate piece 1 is connected to the movable outer cylinder of the horizontal shaft 2, and the intermediate piece 1 is also in transmission connection with the movable end of the booster 3, so that when the photovoltaic device works, the torsion from the horizontal shaft 2 and the booster 3 will directly act on the intermediate piece 1, rather than on the movable outer cylinder, which can reduce the requirements of the movable outer cylinder, thereby reducing the production cost of the photovoltaic device.

[0064] Second, according to the needs of the tracking photovoltaic device proposed in the embodiment, different intermediate pieces 1 are selected. When considering the quality, a columnar intermediate piece 1 is selected, which is integrally formed and has good strength and quality and is not easy to be damaged; if the cost and weight are considered, an intermediate piece 1 composed of a side plate 12 and a connecting plate 13 is selected, which is connected by plate members, has lower weight, is easy to process, and has lower cost.

[0065] Third, in the selection of the intermediate piece 1 composed of the side plate 12 and the connecting plate 13, the sleeve 14 is arranged on the intermediate piece 1, the sleeve 14 is connected with the movable outer cylinder, under the action of the sleeve 14, the contact area between the intermediate piece 1 and the movable outer cylinder is increased, thereby the stability of the connection between the intermediate piece 1 and the movable outer cylinder is increased, the horizontal shaft 2 stably drives the external load activity of the horizontal shaft 2 through the intermediate piece 1, and the stability of the tracking photovoltaic device is increased.

Claims

1. A tracking photovoltaic device, characterized by, The utility model relates to a horizontal axis, including fixed part and movable outer tube, the fixed part is in the form of a rod, the fixed part is used for fixed connection with external support structure, the movable outer tube is sleeved on the fixed part, under the drive of power source, the movable outer tube can rotate around the fixed part, booster is connected to external support structure, the booster includes movable end, intermediate piece is connected with movable outer tube, is used for installing the load of horizontal axis, first transmission part is further equipped on the intermediate piece, and the first transmission part is used for transmission connection with movable end, under the drive of external power source, when the load moves from high place to down, the first transmission part drives movable end and makes the booster energy storage, when the load moves from low place to up, the booster passes through the transmission cooperation of movable end and first transmission part and assists external power source to drive the load. The intermediate piece is a cylindrical body, a through hole penetrating through the intermediate piece is arranged along the length direction of the intermediate piece, the intermediate piece is sleeved on the movable outer tube through the through hole and is connected with the movable outer tube. An installation surface for connecting with the load is arranged on the outer circumferential surface of the intermediate piece. The intermediate piece includes two side plates and a connecting plate connecting the two side plates, the two side plates are both provided with a reserved hole, and the intermediate piece is sleeved on the movable outer tube through the reserved hole and is connected with the movable outer tube. The intermediate piece further includes a sleeve connected with the reserved hole, and the inner circumferal surface of the sleeve is connected with the movable outer tube.

2. The tracking photovoltaic device of claim 1, wherein, The inner circumferal surface of the sleeve is provided with a first limiting part, the outer circumferal surface of the movable outer tube is provided with a second limiting part, the first limiting part cooperates with the second limiting part to limit the circumferential position of the intermediate piece relative to the movable outer tube.

3. The tracking photovoltaic device of claim 2, wherein, The first limiting part is an internal spline of the inner circumferal surface of the sleeve, and the second limiting part is an external spline of the outer circumferal surface of the movable outer tube.

4. The tracking photovoltaic device of claim 1, wherein, The intermediate piece further includes a bottom plate for connecting the load, the two sides of the bottom plate are connected with the two side plates respectively and are connected with the connecting plate.

5. The tracking photovoltaic device of claim 4, wherein, The first transmission part is arranged on the outer circumferal surface of the intermediate piece and / or the end portion of the intermediate piece.

6. The tracking photovoltaic device of claim 5, wherein, The utility model further includes a first transmission member fixedly connected with the intermediate piece, and the first transmission part is arranged on the first transmission member.

7. The tracking photovoltaic device of claim 6, wherein, ​ 8. The tracking photovoltaic device of claim 4, wherein, ​ 9. The tracking photovoltaic device of any of claims 1-8, wherein, ​ 10. The tracking photovoltaic device of any one of claims 1-8, wherein, ​

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