Photovoltaic power station string inverter protection device

Abstract

The utility model relates to the field of photovoltaic equipment installation protection, and specifically discloses a photovoltaic power station string inverter protection device comprising an installation rack mechanism comprising an installation rod assembly and a support rack assembly installed at the outer side of the installation rod assembly; the protection mechanism comprises an anti-approaching supporting seat assembly fixedly arranged on the outer side of the mounting rod assembly; according to the utility model, through the arrangement of the supporting seat assembly, livestock such as cattle and sheep are effectively prevented from approaching the inverter, so that the risk that equipment is directly damaged is reduced; the stainless steel fan blade assemblies are driven by wind power to rotate, natural resources are utilized, close animals such as cattle and sheep can be effectively dispersed through the dynamic characteristic of the stainless steel fan blade assemblies in the rotating process, sunlight is scattered and reflected on the surfaces of the fan blades through the characteristic that the stainless steel fan blades refract sunlight, the dynamic nature and uncertainty of light are improved, and the service life of the fan blades is prolonged. Visual interference and warning effects are generated on animals, so that the animals are further prompted to be far away from the inverter area.

Description

Technical Field

[0001] The utility model belongs to the field of photovoltaic equipment installation protection, in particular to a photovoltaic power station string inverter protection device. Background Art

[0002] The photovoltaic power station string inverter is a device that converts the direct current generated by the solar photovoltaic panel into alternating current to supply the power grid. Its working principle mainly includes DC input, maximum power point tracking, inverter, AC output and protection. During the installation of the photovoltaic power station string inverter, protection work is very important, especially in the pastoral and photovoltaic complementary areas, due to the activities of livestock such as cattle and sheep, the inverter and its related equipment may face great damage risks.

[0003] Pastoral-photovoltaic complementarity refers to the combination of animal husbandry and photovoltaic industry, developing both animal husbandry and photovoltaic industry on the same land. This model helps to improve land use efficiency, promote the use of renewable energy, and drive local economic development.

[0004] Although the existing photovoltaic power station string inverter protection device uses metal mesh for interception, there may still be some shortcomings in actual operation, especially in the environment of pastoral and photovoltaic complementarity, livestock such as cattle and sheep will damage photovoltaic equipment when grazing, especially key components such as inverters. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a photovoltaic power station string inverter protection device to solve the problem that the metal mesh outside the inverter protection device in the prior art is easily bitten by animals.

[0006] A photovoltaic power station string inverter protection device comprises: a mounting frame mechanism, including a mounting rod assembly, and a support frame assembly installed on the outside of the mounting rod assembly; a protection mechanism, including an anti-approach support seat assembly fixedly arranged on the outside of the mounting rod assembly, a protection frame assembly installed on the upper side of the anti-approach support seat assembly, and a stainless steel fan blade assembly fixedly installed on the outside of the protection frame assembly.

[0007] Preferably, the anti-approach support seat assembly includes a support seat body, a mounting plate is fixedly connected to the upper side of the support seat body, a plurality of limiting columns are fixedly connected to the outer side of the upper end of the support seat body, and caltrops are wound around the outer sides of the plurality of limiting columns.

[0008] Preferably, the protective frame assembly includes a protective frame body, the upper end of the protective frame body is fixedly connected to a rain shield, and the front side of the protective frame body is rotatably connected to a front door; the stainless steel fan blade assembly includes stainless steel fan blades, and the upper and lower ends of the stainless steel fan blades are fixedly connected to a fixing frame.

[0009] Preferably, the protective frame body is fixedly mounted on the upper side of the support seat body, one end of the stainless steel fan blade is fixedly mounted on the rain shield through a fixing frame, and the other end of the stainless steel fan blade is fixedly mounted on the support seat body through a fixing frame.

[0010] Preferably, the mounting rod assembly includes a mounting rod body, and a connecting plate is fixedly installed on the outer side of the mounting rod body; the support frame assembly includes a diagonal support rod, one end of the diagonal support rod is fixedly connected to a pipe clamp, and the other end of the diagonal support rod is fixedly connected to a positioning plate.

[0011] Preferably, the positioning plate is fixedly mounted on the mounting plate after being penetrated by screws, the pipe clamp is fixedly mounted on the mounting rod body by screws, and the mounting rod body is fixedly mounted inside the support seat body.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the setting of the support base assembly effectively prevents livestock such as cattle and sheep from approaching the inverter, thereby reducing the risk of direct damage to the equipment; the stainless steel fan blade assembly rotates under the drive of wind, which not only utilizes natural resources, but also its dynamic characteristics during rotation can effectively disperse approaching animals such as cattle and sheep. The characteristics of stainless steel fan blades in refracting sunlight cause sunlight to be scattered and reflected on the surface of the fan blades, increasing the dynamics and uncertainty of light, causing visual interference and warning effects on animals, thereby further prompting animals to stay away from the inverter area; the design of the protective frame assembly effectively prevents birds from entering the inverter area. Birds may cause mechanical damage to photovoltaic equipment or cause faults such as short circuits. By setting the protective frame assembly, birds can be blocked from entering and the equipment can be protected from harm. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the protection mechanism of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the protective frame assembly of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the mounting frame mechanism of the utility model.

[0018] In the figure: 1. mounting frame mechanism; 11. mounting rod assembly; 111. mounting rod body; 112. connecting plate; 12. support frame assembly; 121. diagonal support rod; 122. pipe clamp; 123. positioning plate; 2. protection mechanism; 21. anti-approach support seat assembly; 211. support seat body; 212. mounting plate; 213. limit column; 214. caltrops; 22. protection frame assembly; 221. protection frame body; 222. rain shield; 223. front door; 23. stainless steel fan blade assembly; 231. stainless steel fan blade; 232. fixing frame; 3. inverter body. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figures 1 to 5 As shown:

[0021] Embodiment 1: The utility model provides a photovoltaic power station string inverter protection device, comprising: a mounting frame mechanism 1, comprising a mounting rod assembly 11, a support frame assembly 12 installed on the outside of the mounting rod assembly 11; a protection mechanism 2, comprising an anti-approach support seat assembly 21 fixedly arranged on the outside of the mounting rod assembly 11, a protection frame assembly 22 installed on the upper side of the anti-approach support seat assembly 21, and a stainless steel fan blade assembly 23 fixedly installed on the outside of the protection frame assembly 22;

[0022] Among them, the stainless steel fan blade assembly 23 is made of stainless steel. After the protective mechanism 2 is installed, one end of the support frame assembly 12 is fixed to the anti-approach support seat assembly 21, and then the mounting rod assembly 11 is fixed to the other end of the support frame assembly 12, and the inverter body 3 is installed on the mounting rod assembly 11 to complete the installation. The support seat assembly 21 can prevent animals from approaching and damaging the protective frame assembly 22. The stainless steel fan blade assembly 23 rotates under the drive of wind, and the stainless steel refracts sunlight, thereby keeping animals away. The protective frame assembly 22 can prevent birds from entering.

[0023] Specifically, the anti-approach support seat assembly 21 includes a support seat body 211, a mounting plate 212 is fixedly connected to the upper side of the support seat body 211, a plurality of limiting columns 213 are fixedly connected to the outer side of the upper end of the support seat body 211, and caltrops 214 are wound around the outer sides of the plurality of limiting columns 213.

[0024] Specifically, the protective frame assembly 22 includes a protective frame body 221, the upper end of which is fixedly connected to a rain shield 222, and the front side of the protective frame body 221 is rotatably connected to a front door 223; the stainless steel fan blade assembly 23 includes a stainless steel fan blade 231, and the upper and lower ends of the stainless steel fan blade 231 are fixedly connected to a fixing frame 232.

[0025] Specifically, the protection frame body 221 is fixedly installed on the upper side of the support seat body 211, one end of the stainless steel fan blade 231 is fixedly installed on the rain shield 222 through the fixing frame 232, and the other end of the stainless steel fan blade 231 is fixedly installed on the support seat body 211 through the fixing frame 232.

[0026] As can be seen from the above, the stainless steel blades 231 can be driven by wind to rotate on the fixing frame 232. When there is light, the stainless steel blades 231 will reflect the light to drive away animals. The protective frame body 221 can prevent birds from entering, and the rain shield 222 can play a rainproof role. The caltrops 214 are wrapped around the outside of the limiting column 213 to prevent animals from approaching.

[0027] Embodiment 2: This embodiment is basically the same as the previous embodiment, except that the mounting rod assembly 11 includes a mounting rod body 111, and a connecting plate 112 is fixedly installed on the outer side of the mounting rod body 111; the support frame assembly 12 includes a diagonal support rod 121, one end of the diagonal support rod 121 is fixedly connected to a pipe clamp 122, and the other end of the diagonal support rod 121 is fixedly connected to a positioning plate 123.

[0028] Specifically, the positioning plate 123 is fixedly mounted on the mounting plate 212 after being penetrated by screws, the pipe clamp 122 is fixedly mounted on the mounting rod body 111 by screws, and the mounting rod body 111 is fixedly mounted inside the support seat body 211 .

[0029] As can be seen from the above, the pipe clamp 122 is fixedly installed on the mounting rod body 111 by means of screws, and the positioning plate 123 is fixedly installed on the mounting plate 212 after being penetrated by screws. At this time, the mounting rod body 111 can be further supported and fixed, and the installation of the inverter body 3 can be facilitated by the connecting plate 112.

[0030] The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] In the description of the present utility model, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. The meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0035] In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A photovoltaic power station string inverter protection device, characterized in that: include: A mounting frame mechanism (1) comprises a mounting rod assembly (11) and a support frame assembly (12) mounted on the outside of the mounting rod assembly (11); The protection mechanism (2) comprises an anti-approach support seat assembly (21) fixedly arranged on the outside of the mounting rod assembly (11), a protection frame assembly (22) installed on the upper side of the anti-approach support seat assembly (21), and a stainless steel fan blade assembly (23) fixedly installed on the outside of the protection frame assembly (22).

2. A photovoltaic power station string inverter protection device as claimed in claim 1, characterized in that: The anti-approach support seat assembly (21) comprises a support seat body (211), the upper side of the support seat body (211) is fixedly connected to a mounting plate (212), the outer side of the upper end of the support seat body (211) is fixedly connected to a plurality of limiting columns (213), and the outer sides of the plurality of limiting columns (213) are wound with caltrops (214).

3. A photovoltaic power station string inverter protection device as claimed in claim 2, characterized in that: The protection frame assembly (22) comprises a protection frame body (221), the upper end of the protection frame body (221) is fixedly connected to a rain shield (222), and the front side of the protection frame body (221) is rotatably connected to a front door (223); the stainless steel fan blade assembly (23) comprises a stainless steel fan blade (231), and the upper and lower ends of the stainless steel fan blade (231) are fixedly connected to a fixing frame (232).

4. A photovoltaic power station string inverter protection device as claimed in claim 3, characterized in that: The protection frame body (221) is fixedly mounted on the upper side of the support seat body (211), one end of the stainless steel fan blade (231) is fixedly mounted on the rain shield (222) via a fixing frame (232), and the other end of the stainless steel fan blade (231) is fixedly mounted on the support seat body (211) via a fixing frame (232).

5. A photovoltaic power station string inverter protection device as claimed in claim 3, characterized in that: The mounting rod assembly (11) comprises a mounting rod body (111), and a connecting plate (112) is fixedly mounted on the outer side of the mounting rod body (111); the support frame assembly (12) comprises an oblique support rod (121), one end of the oblique support rod (121) is fixedly connected to a pipe clamp (122), and the other end of the oblique support rod (121) is fixedly connected to a positioning plate (123).

6. A photovoltaic power station string inverter protection device as claimed in claim 5, characterized in that: The positioning plate (123) is fixedly mounted on the mounting plate (212) after being penetrated by screws, the pipe clamp (122) is fixedly mounted on the mounting rod body (111) by screws, and the mounting rod body (111) is fixedly mounted inside the support seat body (211).

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