Flexible driving photovoltaic tracking system

Abstract

The utility model discloses a flexible driving photovoltaic tracking system, which relates to the field of photovoltaic technology, and comprises a plurality of support assemblies, each support assembly comprises a support column and a main shaft unit, one end of the support column is used for being connected with the ground, and the other end of the support column is rotatably connected with the main shaft unit; the driving unit is fixedly connected to the supporting column of the middle support assembly, and the output end of the driving unit is fixedly connected with the middle of the main shaft unit of the middle support assembly; and the transmission rope is connected in an end-to-end closed manner, is movably connected with the supporting column of the bracket assembly, and is connected with the main shaft unit of the bracket assembly. The utility model has the technical effects of good terrain adaptability and small driving torque.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, in particular to a flexible drive photovoltaic tracking system. Background Art

[0002] The photovoltaic tracking system is a bracket system that can automatically track the sun to increase the overall power generation of photovoltaic panels and is widely used in the field of photovoltaic power generation.

[0003] In order to increase energy saving, a single drive component is generally used to drive multiple bracket components, but the related photovoltaic tracking system has problems such as poor terrain adaptability and large driving torque. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a flexible drive photovoltaic tracking system, which not only has good terrain adaptability but also has small driving torque.

[0005] In order to solve the above problems, the technical solution provided by the utility model is:

[0006] A flexible drive photovoltaic tracking system, comprising:

[0007] A plurality of support assemblies, each of which comprises a support and a main shaft unit, one end of the support is used to connect to the ground, and the other end of the support is rotatably connected to the main shaft unit;

[0008] A driving unit, wherein the driving unit is fixedly connected to the support column of the middle support assembly, and an output end of the driving unit is fixedly connected to the middle of the main shaft unit of the middle support assembly;

[0009] A transmission rope is connected in a closed manner at both ends, the transmission rope is movably connected to a support column of the support assembly, and the transmission rope is connected to a main shaft unit of the support assembly.

[0010] Optionally, each bracket assembly further includes a swing arm, one end of the swing arm is fixedly connected to the spindle unit, and the other end of the swing arm is connected to the transmission rope.

[0011] Optionally, each bracket assembly also includes a connecting unit, which includes a first connecting and tightening module and a second connecting and tightening module, one end of the first connecting and tightening module is connected to the transmission rope, the other end of the first connecting and tightening module is rotatably connected to the swing arm, one end of the second connecting and tightening module is rotatably connected to the swing arm, and the other end of the second connecting and tightening module is connected to the transmission rope.

[0012] Optionally, the first connection and tightening module and the second connection and tightening module have the same structure, and both include:

[0013] Adaptation box;

[0014] A first connecting rod movably and tightly connected to one end of the connecting box;

[0015] A second connecting rod movably and tightly connected to the other end of the connecting box;

[0016] Among them, the first connecting rod of the first connecting and tightening module is connected to the transmission rope, the second connecting rod of the first connecting and tightening module is rotatably connected to the swing arm, the first connecting rod of the second connecting and tightening module is rotatably connected to the swing arm, and the second connecting rod of the second connecting and tightening module is connected to the transmission rope.

[0017] Optionally, each bracket assembly further includes a connection unit, wherein the connection unit includes:

[0018] A first clamp and a second clamp connected to the swing arm in sequence along the gravity direction;

[0019] A lanyard matched with both the first hoop and the second hoop;

[0020] Wherein, the transmission rope is connected to the second hoop, and the transmission rope is in contact with the lanyard.

[0021] Optionally, the connection unit also includes a third hoop and a fourth hoop respectively located on both sides of the second hoop, the lanyard cooperates with the third hoop and the fourth hoop, and the transmission rope is connected to the third hoop and the fourth hoop.

[0022] Optionally, each bracket assembly further includes:

[0023] a mounting seat connected to the support pillar;

[0024] A first guide wheel and a second guide wheel both rotatably connected to the mounting seat;

[0025] Wherein, the transmission rope is movably connected between the first guide wheel and the second guide wheel.

[0026] Optionally, two steering assemblies are further included, each of which is located on both sides of the plurality of bracket assemblies. The steering assemblies include:

[0027] A support column, one end of which is used to be connected to the ground;

[0028] A third steering wheel is rotatably connected to the other end of the support column, and the third steering wheel is movably connected to the transmission rope.

[0029] Optionally, the spindle unit comprises:

[0030] Spindle body;

[0031] A plurality of support bodies connected to the main shaft body;

[0032] The main shaft body and the other end of the support are rotatably connected, the main shaft body of the bracket assembly and the output end of the driving unit are fixedly connected, and the main shaft body is connected to the transmission rope.

[0033] Optionally, the driving unit includes a driver and a reducer both fixedly connected to the pillars of the middle support assembly, and the output end of the driver, the output end of the reducer and the main shaft unit of the middle support assembly are fixedly connected in sequence.

[0034] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0035] 1) Since the drive unit is fixedly connected to the support column of the intermediate support assembly, the output end of the drive unit is fixedly connected to the middle of the spindle unit of the intermediate support assembly, which makes it easier to reduce the torque of the spindle unit;

[0036] 2) The closed connection between the head and tail makes it easy to keep the transmission rope in a taut state, with good transmission performance. At the same time, the transmission rope makes it easy for the flexible drive photovoltaic tracking system to achieve flexible transmission, so that it is easy to adapt to complex terrain and has good terrain adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is one of the structural schematic diagrams of a flexible drive photovoltaic tracking system proposed in an embodiment of the utility model;

[0038] Figure 2 The second structural diagram of a flexible drive photovoltaic tracking system proposed in the embodiment of the utility model;

[0039] Figure 3 The third structural diagram of a flexible drive photovoltaic tracking system proposed in the embodiment of the utility model;

[0040] Figure 4 for Figure 1 Partial diagram of A in the middle;

[0041] Figure 5 for Figure 1 Partial diagram of B in the figure;

[0042] Figure 6 A schematic diagram of the structure of the connection unit of the intermediate bracket assembly proposed in the embodiment of the utility model;

[0043] Figure 7 A schematic diagram of the structure of a connection unit of another bracket assembly proposed in an embodiment of the utility model;

[0044] Figure 8 A partial diagram of a bracket assembly proposed in an embodiment of the utility model;

[0045] In the figure: 1. bracket assembly; 11. pillar; 12. spindle unit; 121. spindle body; 122. bracket body; 13. swing arm; 141. first connection and tightening module; 151. second connection and tightening module; 161. first connection rod; 162. second connection rod; 163. connection box; 171. first clamp; 172. second clamp; 173. third clamp; 174. fourth clamp; 175. hanging rope; 181. first guide wheel; 182. second guide wheel; 183. mounting seat; 2. drive unit; 21. drive; 22. reducer; 3. transmission rope; 4. steering assembly; 41. support column; 43. third steering wheel. DETAILED DESCRIPTION

[0046] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0047] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings. The words "first", "second", etc. described in the present utility model are set for the convenience of describing the technical solution of the present utility model, and have no specific limiting effect. They are all general references and do not constitute a limiting effect on the technical solution of the present utility model. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments in the present application can be combined with each other. In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection between the insides of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Multiple technical solutions in the same embodiment, and multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not have contradictions or conflicts, all of which are within the scope of protection required by the present utility model.

[0048] Example 1

[0049] Combined with Figure 1-8 , this embodiment provides a flexible drive photovoltaic tracking system, including:

[0050] A plurality of support assemblies 1, each support assembly 1 comprising a support 11 and a main shaft unit 12, one end of the support 11 is used to be connected to the ground, and the other end of the support 11 is rotatably connected to the main shaft unit 12;

[0051] The driving unit 2 is fixedly connected to the support column 11 of the intermediate support assembly 1, and the output end of the driving unit 2 is fixedly connected to the middle of the main shaft unit 12 of the intermediate support assembly 1;

[0052] The transmission rope 3 is connected in a closed manner from head to tail, the transmission rope 3 is movably connected to the support column 11 of the support assembly 1, and the transmission rope 3 is connected to the main shaft unit 12 of the support assembly 1.

[0053] Specifically, during driving, the driving unit 2 first drives the spindle unit 12 of the intermediate bracket assembly 1 to rotate, and then the spindle unit 12 of the intermediate bracket assembly 1 drives the spindle units 12 of other bracket assemblies 1 to rotate through the transmission rope 3, so that a single driving unit 2 can synchronously drive several bracket assemblies 1, which has good energy saving performance; the pillar 11 is used to carry the spindle unit 12, the driving unit 2, etc.; the spindle unit 12 is used to carry the photovoltaic panel; the driving unit 2 is used to provide driving force, and can specifically include a driver 21, a reducer 22, etc. Since the driving unit 2 is fixedly connected to the pillar 11 of the intermediate bracket assembly 1, the output end of the driving unit 2 and the middle part of the spindle unit 12 of the intermediate bracket assembly 1 are fixedly connected, which makes it easy to make the torque of the spindle unit 12 smaller; the closed connection between the head and the tail makes the transmission rope 3 in a tensioned state, and the transmission performance is good. At the same time, the transmission rope 3 makes it easy for the flexible drive photovoltaic tracking system to realize flexible transmission, so as to adapt to complex terrain and have good terrain adaptability. Among them, the transmission rope 3 can specifically be a steel wire rope, a polyamide rope, etc., preferably a steel wire rope.

[0054] Further, such as Figure 4 Each support assembly 1 further includes a swing arm 13 , one end of the swing arm 13 is fixedly connected to the spindle unit 12 , and the other end of the swing arm 13 is connected to the transmission rope 3 .

[0055] Specifically, the swing arm 13 is used to connect the main shaft unit 12 and the transmission rope 3, so as to facilitate the transmission of the force between the main shaft unit 12 and the transmission rope 3.

[0056] Further, such as Figure 6 Each bracket assembly 1 also includes a connection unit, which includes a first connection and tightening module 141 and a second connection and tightening module 151. One end of the first connection and tightening module 141 is connected to the transmission rope 3, and the other end of the first connection and tightening module 141 is rotatably connected to the swing arm 13. One end of the second connection and tightening module 151 is rotatably connected to the swing arm 13, and the other end of the second connection and tightening module 151 is connected to the transmission rope 3.

[0057] Specifically, the connecting unit including the first connecting and tightening module 141 and the second connecting and tightening module 151 is used to realize the connection between the transmission rope 3 and the swing arm 13, so as to facilitate the transmission of force between the two, and the first connecting and tightening module 141 and the second connecting and tightening module 151 are also convenient for tightening the transmission rope 3, so that the transmission rope 3 is always in a tensioned state, and the transmission performance is good. It should be noted that the connecting unit including the first connecting and tightening module 141 and the second connecting and tightening module 151 is preferably used on the intermediate bracket assembly 1.

[0058] Further, such as Figure 6The first connection and tightening module 141 and the second connection and tightening module 151 have the same structure, and both include:

[0059] Adaptation box 163;

[0060] A first connecting rod 161 movably and lockingly connected to one end of the connecting box 163;

[0061] A second connecting rod 162 movably and tightly connected to the other end of the connecting box 163;

[0062] Among them, the first connecting rod 161 of the first connecting and tightening module 141 is connected to the transmission rope 3, the second connecting rod 162 of the first connecting and tightening module 141 is rotatably connected to the swing arm 13, the first connecting rod 161 of the second connecting and tightening module 151 is rotatably connected to the swing arm 13, and the second connecting rod 162 of the second connecting and tightening module 151 is connected to the transmission rope 3.

[0063] Specifically, the first connecting rod 161, the second connecting rod 162 and the connecting box 163 can be movably locked and connected by means of threaded connection, snap connection or the like.

[0064] Further, such as Figure 7 Each bracket assembly 1 further includes a connection unit, and the connection unit includes:

[0065] A first clamp 171 and a second clamp 172 connected to the swing arm 13 in sequence along the gravity direction;

[0066] A lanyard 175 matched with the first hoop 171 and the second hoop 172;

[0067] The transmission rope 3 is connected to the second hoop 172 , and the transmission rope 3 is in contact with the lanyard 175 .

[0068] Further, such as Figure 7 The connection unit also includes a third hoop 173 and a fourth hoop 174 respectively located on both sides of the second hoop 172, the lanyard 175 cooperates with the third hoop 173 and the fourth hoop 174, and the transmission rope 3 is connected to the third hoop 173 and the fourth hoop 174.

[0069] Specifically, the lanyard 175 passes through one side of the third hoop 173 and out the other side, then passes through one side of the second hoop 172 and out the other side, then passes through the other side of the first hoop 171 and out the other side, then passes through one side of the second hoop 172 and out the other side, and finally passes through one side of the fourth hoop 174 and out the other side, so as to facilitate the connection between the transmission rope 3 and the second hoop 172, the third hoop 173 and the fourth hoop 174, wherein the connection unit including the first hoop 171, the second hoop 172, the third hoop 173 and the fourth hoop 174 is preferably used on other bracket assemblies 1.

[0070] Further, such as Figure 8 , each bracket assembly 1 also includes:

[0071] A mounting seat 183 connected to the support 11;

[0072] A first guide wheel 181 and a second guide wheel 182 both rotatably connected to a mounting seat 183;

[0073] The transmission rope 3 is movably connected between the first guide wheel 181 and the second guide wheel 182 .

[0074] Specifically, the mounting seat 183 is used to carry the first guide wheel 181 and the second guide wheel 182 ; the first guide wheel 181 and the second guide wheel 182 are used to provide a guiding effect and an upper and lower limiting effect on the transmission rope 3 .

[0075] Further, such as Figure 1 and 5 , further comprising two steering assemblies 4 respectively located on both sides of the plurality of bracket assemblies 1, the steering assemblies 4 comprising:

[0076] A support column 41, one end of the support column 41 is used to be connected to the ground;

[0077] A third steering wheel 43 is rotatably connected to the other end of the support column 41 , and the third steering wheel 43 is movably connected to the transmission rope 3 .

[0078] Specifically, the support column 41 is used to carry the third steering wheel 43; the third steering wheel 43 is used to produce an edge guiding effect on the transmission rope 3, so as to make the transition of the edge of the transmission rope 3 smooth.

[0079] Further, such as Figure 4 , the spindle unit 12 comprises:

[0080] Spindle body 121;

[0081] A plurality of support bodies 122 connected to the main shaft body 121;

[0082] The main shaft body 121 is rotatably connected to the other end of the support column 11 , the main shaft body 121 of the intermediate bracket assembly 1 is fixedly connected to the output end of the driving unit 2 , and the main shaft body 121 is connected to the transmission rope 3 .

[0083] Specifically, the main shaft body 121 is supported by the pillar 11 and is used to support a number of bracket bodies 122; the several bracket bodies 122 are all used to support the photovoltaic panels, wherein the main shaft body 121 includes a first shaft segment and a second shaft segment connected to each other, and the output end of the drive unit 2 is fixedly connected to the connection between the first shaft segment and the second shaft segment.

[0084] Further, such as Figure 4 The driving unit 2 includes a driver 21 and a reducer 22 which are both fixedly connected to the support column 11 of the intermediate support assembly 1. The output end of the driver 21, the output end of the reducer 22 and the spindle unit 12 of the intermediate support assembly 1 are fixedly connected in sequence.

[0085] Specifically, the driver 21 is used to provide driving force, and the driver 21 can specifically be a servo motor, a stepper motor, etc.; the reducer 22 is used to reduce speed and change the driving direction.

[0086] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A flexible drive photovoltaic tracking system, characterized in that: include: A plurality of support assemblies, each of which comprises a support and a main shaft unit, one end of the support is used to connect to the ground, and the other end of the support is rotatably connected to the main shaft unit; A driving unit, wherein the driving unit is fixedly connected to the support column of the middle support assembly, and an output end of the driving unit is fixedly connected to the middle of the main shaft unit of the middle support assembly; A transmission rope is connected in a closed manner at both ends, the transmission rope is movably connected to a support column of the support assembly, and the transmission rope is connected to a main shaft unit of the support assembly.

2. A flexible drive photovoltaic tracking system according to claim 1, characterized in that: Each support assembly also includes a swing arm, one end of which is fixedly connected to the spindle unit, and the other end of which is connected to the transmission rope.

3. A flexible drive photovoltaic tracking system according to claim 2, characterized in that: Each bracket assembly also includes a connecting unit, which includes a first connecting and tightening module and a second connecting and tightening module, one end of the first connecting and tightening module is connected to the transmission rope, the other end of the first connecting and tightening module is rotatably connected to the swing arm, one end of the second connecting and tightening module is rotatably connected to the swing arm, and the other end of the second connecting and tightening module is connected to the transmission rope.

4. A flexible drive photovoltaic tracking system according to claim 3, characterized in that: The first connection and tightening module and the second connection and tightening module have the same structure and both include: Adaptation box; A first connecting rod movably and tightly connected to one end of the connecting box; A second connecting rod movably and tightly connected to the other end of the connecting box; Among them, the first connecting rod of the first connecting and tightening module is connected to the transmission rope, the second connecting rod of the first connecting and tightening module is rotatably connected to the swing arm, the first connecting rod of the second connecting and tightening module is rotatably connected to the swing arm, and the second connecting rod of the second connecting and tightening module is connected to the transmission rope.

5. A flexible drive photovoltaic tracking system according to claim 2, characterized in that: Each bracket assembly also includes a connection unit, and the connection unit includes: A first clamp and a second clamp connected to the swing arm in sequence along the gravity direction; A lanyard matched with both the first hoop and the second hoop; Wherein, the transmission rope is connected to the second hoop, and the transmission rope is in contact with the lanyard.

6. A flexible drive photovoltaic tracking system according to claim 5, characterized in that: The connection unit also includes a third hoop and a fourth hoop respectively located on both sides of the second hoop, the lanyard cooperates with the third hoop and the fourth hoop, and the transmission rope is connected to the third hoop and the fourth hoop.

7. A flexible drive photovoltaic tracking system according to any one of claims 1 to 5, characterized in that: Each bracket assembly also includes: a mounting seat connected to the support pillar; A first guide wheel and a second guide wheel both rotatably connected to the mounting seat; Wherein, the transmission rope is movably connected between the first guide wheel and the second guide wheel.

8. A flexible drive photovoltaic tracking system according to any one of claims 1 to 5, characterized in that: Also included are two steering assemblies located on both sides of the plurality of bracket assemblies, the steering assemblies comprising: A support column, one end of which is used to be connected to the ground; A third steering wheel is rotatably connected to the other end of the support column, and the third steering wheel is movably connected to the transmission rope.

9. A flexible drive photovoltaic tracking system according to any one of claims 1 to 5, characterized in that: The spindle unit comprises: Spindle body; A plurality of support bodies connected to the main shaft body; The main shaft body and the other end of the support are rotatably connected, the main shaft body of the bracket assembly and the output end of the driving unit are fixedly connected, and the main shaft body is connected to the transmission rope.

10. A flexible drive photovoltaic tracking system according to any one of claims 1 to 5, characterized in that: The driving unit comprises a driver and a reducer which are both fixedly connected to the pillars of the middle support assembly. The output end of the driver, the output end of the reducer and the main shaft unit of the middle support assembly are fixedly connected in sequence.

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