String inverter of photovoltaic power generation system

Abstract

The utility model discloses a string inverter of a photovoltaic power generation system, which comprises a bottom plate, a connecting column is arranged on the bottom plate, an electric telescopic rod is mounted in the inner wall of the connecting column, an upper top is arranged at the upper end of the electric telescopic rod, and a protective separation net is arranged at the lower end of the upper end. A locking plate is arranged at the front end of the protective partition net, and an insect repelling lamp is arranged on the inner wall of the locking plate. According to the utility model, firstly, the upper top ascends and descends regularly through the electric telescopic rod, so that periodic air circulation is realized, internal heat loss is accelerated, and meanwhile, the problem of high energy consumption caused by continuous operation is avoided; secondly, through the collaborative design of the protective separation net and the insect repelling lamp, mosquitoes can be physically prevented from entering, the insects can be attracted and repelled through the light source, and the internal cleanliness of the equipment is doubly guaranteed; and the third group and the fourth group of side plates are connected through self-locking rotating shafts and can be flexibly folded and opened to be parallel to the bottom plate or flush with the connecting columns, so that the maintenance process of internal elements is greatly simplified, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology field of the string inverter of photovoltaic power generation system, especially a string inverter of photovoltaic power generation system. BACKGROUND

[0002] In the photovoltaic power generation system, the string inverter as the core equipment undertakes the key task of converting direct current into alternating current. However, the existing string inverter faces many challenges in the field environment: first, the equipment is prone to high temperature after long-time operation, and the traditional heat dissipation structure relies on natural ventilation or fixed fan, which has low heat dissipation efficiency and high energy consumption; second, the invasion of mosquitoes into the equipment may cause circuit short circuit or component pollution, affecting the stability and service life of the equipment; third, the existing inverter shell is mostly fixed design, and a large number of components need to be disassembled during maintenance, which is complicated and time-consuming. In addition, although some inverters are equipped with protective nets, they lack active insect prevention measures and cannot effectively block mosquitoes. Therefore, there is an urgent need for a string inverter structure integrating efficient heat dissipation, active insect prevention and convenient maintenance to improve the adaptability and reliability of the equipment in complex environments.

[0003] Therefore, we propose a string inverter of photovoltaic power generation system to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a string inverter of photovoltaic power generation system, which significantly improves the performance of the equipment through structural optimization when using the string inverter of photovoltaic power generation system: first, the upper top is lifted by the electric telescopic rod at regular intervals to realize periodic air circulation and accelerate the dissipation of internal heat, while avoiding the problem of high energy consumption caused by continuous operation; second, the cooperative design of the protective screen and the insect repellent lamp can physically block mosquitoes from entering and attract and drive away insects through the light source, providing double protection for the cleanliness of the equipment; third, the four groups of side plates are connected by self-locking shafts, which can be flexibly folded and opened to be parallel to the bottom plate or flush with the connecting column, greatly simplifying the maintenance process of internal components and reducing maintenance cost. In addition, the electric telescopic rod supports dual-mode control of timing and manual operation, taking into account the needs of automation and emergency operation, while the plug-in design of the locking plate and the embedded slot further enhances the sealing performance of the side plate when closed. The device integrates heat dissipation, protection and maintenance functions through modular structure, significantly improving the applicability and durability of the string inverter in the field environment to solve the problems raised in the background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of string inverter of photovoltaic power generation system, including bottom plate, the bottom plate is provided with connecting column, the inner wall of connecting column is equipped with electric telescopic rod, and the upper end of electric telescopic rod is provided with upper top, and the lower end of upper end is provided with protective screen, and the front end of protective screen is provided with locking plate, the inner wall of locking plate is provided with insect repeller light;

[0007] The inner wall of the connecting column is provided with a self-locking rotating shaft, and a side plate is mounted on the rotating end of the self-locking rotating shaft.

[0008] In further embodiments, the connecting column is provided with four, which are fixed on the four corners of the bottom plate by bolts, and the side plate is arranged at the middle end of every two adjacent connecting columns.

[0009] In further embodiments, the maximum opening angle of the side plate is upward pushing flush with the connecting column, and downward opening parallel to the bottom plate.

[0010] In further embodiments, the electric telescopic rod is divided into two modes, one is a timing lifting mode, and the other is a manual control mode, and the extension height of the timing lifting mode is less than the height of the protective screen.

[0011] In further embodiments, the protective screen is arranged on the inner wall of the side plate, and the height does not exceed the side plate after each automatic opening.

[0012] In further embodiments, the width of the locking plate is consistent with the embedded slot, and the locking plate is movably inserted into the embedded slot.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] When using the string inverter of photovoltaic power generation system, the string inverter of photovoltaic power generation system significantly improves the equipment performance through structural optimization: first, the upper top is lifted by the electric telescopic rod at regular intervals, realizing periodic air circulation and accelerating internal heat dissipation, while avoiding the problem of high energy consumption caused by continuous operation; second, the cooperative design of the protective screen and the insect repeller light can physically block mosquitoes and insects, and also attract and drive away insects through light sources, providing double protection for the cleanliness of the equipment interior; third, the four side plates are connected by self-locking rotating shafts, which can be flexibly folded and opened to be parallel to the bottom plate or flush with the connecting column, greatly simplifying the maintenance process of internal components and reducing maintenance costs. In addition, the electric telescopic rod supports timing and manual dual-mode control, taking into account the needs of automation and emergency operation, and the insertion design of the locking plate and the embedded slot further enhances the sealing performance of the side plate when closed. The device integrates heat dissipation, protection and maintenance functions through modular structure, significantly improving the applicability and durability of the string inverter in the field environment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a kind of photovoltaic power generation system's group string inverter overall structure schematic diagram;

[0016] Fig. 2 It is a kind of photovoltaic power generation system's group string inverter upper jacking after structure schematic diagram;

[0017] Fig. 3 It is a kind of photovoltaic power generation system's group string inverter side plate structure schematic diagram.

[0018] In the figure: 1, bottom plate;2, connecting column;3, side plate;4, upper top;5, protective screen;6, electric telescopic rod;7, locking plate;8, embedded slot;9, insect repelling lamp;10, self-locking rotating shaft. DETAILED DESCRIPTION

[0019] In the description of the present application, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0020] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figs. 1-3 A kind of string inverter of photovoltaic power generation system, including bottom plate 1, bottom plate 1 as base, four corners are fixed four connecting columns 2 by bolt, electric telescopic rod 6 is installed in the inner wall of each connecting column 2, and its upper end is connected to upper top 4, electric telescopic rod 6 can be set to timing lifting mode or manual mode, upper top 4 is periodically lifted to a certain height in timing mode, and the height is lower than the height of protective screen 5, promote internal hot air to be discharged and introduce external cold air, realize active heat dissipation;Manual mode is used for quick intervention when sudden high temperature;

[0023] Protective screen 5 is attached to the inner wall of side plate 3, when upper top 4 is lifted, screen always covers opening area, to avoid mosquito with airflow into.Locking plate 7 is embedded in insect repellent lamp 9, the width of locking plate 7 is matched with the embedded groove 8 of the upper end of side plate 3, when closing, locking plate 7 is inserted into embedded groove 8 to form seal, after opening, insect repellent lamp 9 is powered on and works, and mosquitoes are driven away by specific wavelength light.Side plate 3 is connected with connecting column 2 through self-locking pivot 10, and the maximum opening and closing angle is flush with connecting column 2 upward or parallel with bottom plate 1 downward, when maintaining, only need to unlock side plate 3 and fold, can directly contact internal element, without disassembling overall structure;

[0024] During the lifting process of electric telescopic rod 6, upper top 4 drives protective screen 5 to move synchronously, to ensure that the heat dissipation and protection functions are linked;When side plate 3 is closed, the plug-in design of locking plate 7 and embedded groove 8 can resist accidental opening caused by strong wind or vibration.The device realizes multiple goals of improving heat dissipation efficiency, strengthening pest control and facilitating maintenance through the cooperative work of various components, and is suitable for various outdoor photovoltaic power station scenes.

[0025] The working principle of the utility model is: as shown in the figure, including bottom plate 1, bottom plate 1 as base, four corners are fixed four connecting columns 2 by bolt, electric telescopic rod 6 is installed in the inner wall of each connecting column 2, and its upper end is connected to upper top 4, electric telescopic rod 6 can be set to timing lifting mode or manual mode, upper top 4 is periodically lifted to a certain height in timing mode, and the height is lower than the height of protective screen 5, promote internal hot air to be discharged and introduce external cold air, realize active heat dissipation;Manual mode is used for quick intervention when sudden high temperature;

[0026] The protective screen 5 is attached to the inner wall of the side plate 3, and when the upper top 4 is lifted, the screen always covers the opening area to avoid mosquitoes entering with the airflow. The locking plate 7 is embedded with the insect repellent lamp 9, and the width of the locking plate 7 matches the embedded groove 8 at the upper end of the side plate 3. When closed, the locking plate 7 is inserted into the embedded groove 8 to form a seal. When opened, the insect repellent lamp 9 is powered on to drive away mosquitoes through specific wavelength light. The side plate 3 is connected to the connecting column 2 through a self-locking rotating shaft 10, and the maximum opening angle is up to the connecting column 2 or down to the bottom plate 1. When maintaining, only the side plate 3 needs to be unlocked and folded to directly contact the internal components without disassembling the overall structure.

[0027] During the lifting process of the electric telescopic rod 6, the upper top 4 drives the protective screen 5 to move synchronously to ensure the linkage of the heat dissipation and protection functions. When the side plate 3 is closed, the plug-in design of the locking plate 7 and the embedded groove 8 can resist accidental opening caused by strong wind or vibration. Through the cooperative work of each component, the device realizes the multiple goals of improving heat dissipation efficiency, strengthening pest control, and facilitating maintenance, and is suitable for various outdoor photovoltaic power station scenes.

[0028] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A string inverter for a photovoltaic power generation system, characterized in that: Includes a base plate (1), and a connecting column (2) is provided on the base plate (1). An electric telescopic rod (6) is installed in the inner wall of the connecting column (2). An upper top (4) is provided at the upper end of the electric telescopic rod (6). A protective mesh (5) is provided at the lower end of the upper end. A locking plate (7) is provided at the front end of the protective mesh (5). An insect repellent lamp (9) is provided on the inner wall of the locking plate (7). The inner wall of the connecting column (2) is provided with a self-locking rotating shaft (10), and a side plate (3) is installed on the rotating end of the self-locking rotating shaft (10). An embedding groove (8) is provided at the upper end of the side plate (3).

2. The string inverter for a photovoltaic power generation system according to claim 1, characterized in that: The connecting column (2) is provided in four pieces and is fixed to the four corners of the base plate (1) by bolts, and the side plate (3) is set in the middle of the two adjacent connecting columns (2).

3. The string inverter for a photovoltaic power generation system according to claim 1, characterized in that: The maximum opening angle of the side plate (3) is when it is pushed upward to be flush with the connecting column (2) and opened downward to be parallel to the bottom plate (1).

4. The string inverter for a photovoltaic power generation system according to claim 1, characterized in that: The electric telescopic pole (6) is divided into two modes: a timed lifting mode and a manual control mode. The extension height of the timed lifting mode is less than the height of the protective net (5).

5. The string inverter for a photovoltaic power generation system according to claim 1, characterized in that: The protective mesh (5) is attached to the inner wall of the side panel (3), and its height will not exceed the side panel (3) after each automatic opening.

6. The string inverter for a photovoltaic power generation system according to claim 1, characterized in that: The width of the locking plate (7) is the same as that of the embedding groove (8), and the locking plate (7) is movably inserted into the embedding groove (8).

Images