Novel photovoltaic power generation grid-connected control device

Abstract

The utility model provides a novel photovoltaic power generation grid-connected control device, which relates to the technical field of solar photovoltaic power generation and comprises a base and a control mechanism, the control mechanism is arranged on the outer side of the base, and a controller is used for monitoring the working state of a photovoltaic power generation system and adjusting the output voltage and frequency of an inverter according to needs. The communication machine transmits monitoring data of the device to the controller to realize data interaction with an external system, so that the device can receive a remote instruction, photovoltaic power generation grid connection and photovoltaic remote control are realized, the power distribution cabinet can distribute electric energy generated by the photovoltaic array, and the power distribution cabinet can supply power to the power grid. Over-current and over-voltage protection is carried out through the power distribution cabinet, safe operation of the system is ensured, the inverter is used for converting direct current generated by the photovoltaic panel into alternating current so as to adapt to electrical characteristics of a power grid, the photovoltaic panel can convert solar energy into electric energy, and then the electric energy is supplied to the inverter for electric conversion and output.

Description

Technical Field

[0001] The utility model relates to the technical field of solar photovoltaic power generation, in particular to a novel photovoltaic power generation grid-connected control device. Background Art

[0002] Photovoltaic power generation grid-connected control device is a device used to manage the connection between photovoltaic systems and power grids. Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. Photovoltaic power generation grid-connected is the direct current generated by solar panels that is converted into alternating current that meets the requirements of the municipal power grid through a grid-connected inverter and then directly connected to the public power grid. The main feature is that the generated power is directly transmitted to the power grid, which is then uniformly allocated by the power grid to supply power to users.

[0003] After searching, the patent number "CN212518900U" mentioned in the text that "the utility model belongs to the field of photovoltaic technology, specifically a photovoltaic power generation control device, including a shell, a PCB motherboard and a heat dissipation mechanism, the cavity in the shell is arranged in two layers, the upper layer is the PCB motherboard installation area, the lower layer is the heat dissipation mechanism installation area, the rear shell of the shell is a closed structure, and a circular heat dissipation cavity is arranged on both sides of the lower layer, and the heat dissipation cavity is opened toward the upper layer. There is only a fan in the heat dissipation cavity, and the heat dissipation cavity is provided with air outlets on both sides of the shell. There are electric control opening and closing mechanisms on both sides of the shell, and the PCB motherboard installation area is provided with a temperature sensor and a fan and an electric control opening and closing mechanism. The utility model is electrically connected to the device. A temperature sensor is provided inside the utility model. Single heat dissipation or dual heat dissipation is activated according to the internal working temperature. At the same time, the unused heat dissipation port can be automatically closed in the case of single heat dissipation to prevent dust from entering. When in use, through the design of the temperature sensor, single heat dissipation or dual heat dissipation can be activated according to the internal working temperature. At the same time, the unused heat dissipation port can be automatically closed in the case of single heat dissipation to prevent dust from entering. However, the device cannot monitor and record the operation of the device when in use, which may cause the problem of damage to the device due to untimely discovery of problems, bring inconvenience to troubleshooting and maintenance, and cannot be remotely controlled, which is inconvenient for users to interact with the device.

[0004] Therefore, we provide a new photovoltaic power generation grid-connected control device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a novel photovoltaic power generation grid-connected control device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel photovoltaic power generation grid-connected control device, comprising a base and a control mechanism, wherein the control mechanism is arranged on the outer side of the base;

[0007] The control mechanism includes a control component, a communication component, a power distribution component and a photovoltaic component. The control component is installed on the top of the base, one side of the control component is electrically connected to the communication component, one side of the base is provided with a power distribution component, and the outer side of the power distribution component is electrically connected to the photovoltaic component.

[0008] Preferably, the control assembly includes a controller and a control panel, the controller is installed on the top of the base, and the surface of the controller is electrically connected to the control panel.

[0009] Preferably, the communication component includes a communicator and an external interface, the outer side of the controller is electrically connected to the communicator, and one side of the controller is electrically connected to the external interface.

[0010] Preferably, the power distribution assembly includes a power distribution cabinet, a power distribution interface and an inverter. The power distribution cabinet is arranged on one side of the base, the power distribution interface is provided on the surface of the power distribution cabinet, and the inverter is installed on the outside of the power distribution cabinet.

[0011] Preferably, the photovoltaic assembly includes a support frame and a photovoltaic panel. The support frame is provided on one side of the power distribution cabinet, and the photovoltaic panel is installed on the inner side of the support frame.

[0012] Preferably, a monitoring component is installed at the top of the support frame, and the monitoring component includes a temperature monitor and a sunshine measuring instrument. The temperature monitor is installed at the top of the support frame, and a sunshine measuring instrument is arranged on one side of the temperature monitor.

[0013] Preferably, a recording component is disposed on the outer side of the support frame, and the recording component includes a recorder and a recording interface. The recorder is disposed on the outer side of the support frame, and the top of the recorder is electrically connected to the recording interface.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the setting of monitoring components, the temperature monitor can monitor the temperature of the device to prevent overheating from adversely affecting the photovoltaic components, thereby improving the overall stability of the device. The sunshine meter is used to measure solar radiation, thereby helping the system to achieve maximum power point tracking. The recorder can record system operation and monitoring data to provide support for performance analysis and troubleshooting.

[0016] 2. The controller is used to monitor the working status of the photovoltaic power generation system and adjust the output voltage and frequency of the inverter as needed to ensure that the requirements of the power grid are met when connected to the power grid. The communication machine transmits the device monitoring data to the controller to realize data interaction with the external system, so that the device can receive remote commands, thereby enabling photovoltaic power generation to be connected to the grid and photovoltaic remote control. The distribution cabinet can distribute the electric energy generated by the photovoltaic array, and perform overcurrent, overvoltage and other protections through the distribution cabinet to ensure the safe operation of the system. The inverter is used to convert the direct current generated by the photovoltaic panel into alternating current, so as to adapt to the electrical characteristics of the power grid. The photovoltaic panel can convert solar energy into electrical energy, and then supply the inverter for electrical conversion and output. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall top view structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall side view structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the overall rear view structure of the utility model.

[0021] Numbers in the figure: 1. base; 2. control mechanism; 21. operating component; 211. controller; 212. control panel; 22. communication component; 221. communication machine; 222. external interface; 23. power distribution component; 231. power distribution cabinet; 232. power distribution interface; 233. inverter; 24. photovoltaic component; 241. support frame; 242. photovoltaic panel; 3. monitoring component; 31. temperature monitor; 32. sunshine meter; 4. recording component; 41. recorder; 42. recording interface. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1

[0024] See also Figure 1-4 As shown, the utility model provides a technical solution: a novel photovoltaic power generation grid-connected control device, comprising a base 1 and a control mechanism 2, wherein the control mechanism 2 is arranged on the outer side of the base 1;

[0025] The control mechanism 2 includes a control component 21, a communication component 22, a power distribution component 23 and a photovoltaic component 24. The control component 21 is installed on the top of the base 1, and one side of the control component 21 is electrically connected to the communication component 22. The power distribution component 23 is arranged on one side of the base 1, and the outer side of the power distribution component 23 is electrically connected to the photovoltaic component 24.

[0026] Furthermore, the control component 21 includes a controller 211 and a control panel 212. The controller 211 is installed on the top of the base 1, and the surface of the controller 211 is electrically connected to the control panel 212. The controller 211 is used to monitor the working status of the photovoltaic power generation system, adjust the output voltage and frequency of the inverter as needed to ensure that the requirements of the power grid are met when connected to the power grid, and remotely control, adjust and limit the photovoltaic power, and automatically adjust abnormalities such as voltage drops at the power grid outlet. The control panel 212 allows the user to interact with the device conveniently, and allows the operator to manually control and monitor the system operation status.

[0027] Furthermore, the communication component 22 includes a communicator 221 and an external interface 222. The outer side of the controller 211 is electrically connected to the communicator 221, and one side of the controller 211 is electrically connected to the external interface 222. The communicator 221 transmits the device monitoring data to the controller 211 to realize data interaction, remote monitoring and management with the external system, so that the device can receive remote commands, thereby realizing photovoltaic power generation grid-connected and photovoltaic remote control.

[0028] Furthermore, the power distribution component 23 includes a power distribution cabinet 231, a power distribution interface 232 and an inverter 233. The power distribution cabinet 231 is arranged on one side of the base 1, and the power distribution interface 232 is opened on the surface of the power distribution cabinet 231. The inverter 233 is installed on the outside of the power distribution cabinet 231. The power distribution cabinet 231 can distribute the electric energy generated by the photovoltaic array, and the power distribution cabinet is used to perform overcurrent, overvoltage and other protections to ensure the safe operation of the system. The inverter 233 is used to convert the direct current generated by the photovoltaic panel 242 into alternating current, thereby adapting to the electrical characteristics of the power grid, ensuring that the electric energy output by the system meets the requirements of the power grid, and improving the overall efficiency of the photovoltaic system.

[0029] Furthermore, the photovoltaic assembly 24 includes a support frame 241 and a photovoltaic panel 242. The support frame 241 is provided on one side of the distribution cabinet 231, and the photovoltaic panel 242 is installed on the inner side of the support frame 241. The support frame 241 provides support and installation for the photovoltaic panel 242, ensuring the appropriate inclination angle and orientation for power generation. The photovoltaic panel 242 can convert solar energy into electrical energy, and then supply the inverter 233 for electrical conversion and output.

[0030] Embodiment 2

[0031] See also Figure 1 and Figure 4As shown, compared with Example 1, as another implementation of the utility model, a monitoring component 3 is installed at the top of the support frame 241, and the monitoring component 3 includes a temperature monitor 31 and a sunshine meter 32. A temperature monitor 31 is installed at the top of the support frame 241, and a sunshine meter 32 is arranged on one side of the temperature monitor 31. The temperature monitor 31 can monitor the temperature of the device to prevent overheating from adversely affecting the photovoltaic component 24, thereby improving the overall stability of the device. The sunshine meter 32 is used to measure solar radiation, thereby helping the system to achieve maximum power point tracking.

[0032] Furthermore, a recording component 4 is provided on the outside of the support frame 241, and the recording component 4 includes a recorder 41 and a recording interface 42. A recorder 41 is provided on the outside of the support frame 241, and the top of the recorder 41 is electrically connected to the recording interface 42. The recorder 41 can record system operation and monitoring data to provide support for performance analysis and troubleshooting.

[0033] Working principle: First, a new type of photovoltaic power generation grid-connected control device is moved to the working position. When in use, the first step is to connect the photovoltaic component 24 to the inverter 233, and then connect the inverter 233 to the power grid through the distribution box 231. The second step is that the photovoltaic panel 242 receives solar energy and converts it into electrical energy, and then transmits the electrical energy to the inverter 233. The inverter 233 converts the received electrical energy into AC electrical energy to adapt to the voltage and frequency of the power grid. At the same time, the controller 211 monitors the working status of the photovoltaic component 24 and adjusts the output voltage and frequency of the inverter 233 as needed to ensure that the requirements of the power grid are met when connected to the power grid. The third step is to communicate and interact with the power grid system through the communication machine 221 to realize data transmission to the power grid so that the current can be adjusted and connected to the power grid. The monitoring component 3 monitors the temperature and solar radiation inside the power generation system to optimize the operation and output of the system. The recorder 41 records the operating status and performance data of the photovoltaic power generation system. In this way, the use process of a new type of photovoltaic power generation grid-connected control device is completed.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel photovoltaic power generation grid-connected control device, comprising a base (1) and a control mechanism (2), characterized in that: A control mechanism (2) is arranged on the outer side of the base (1); The control mechanism (2) comprises a control component (21), a communication component (22), a power distribution component (23) and a photovoltaic component (24); the control component (21) is installed at the top of the base (1); one side of the control component (21) is electrically connected to the communication component (22); one side of the base (1) is provided with a power distribution component (23); the outer side of the power distribution component (23) is electrically connected to the photovoltaic component (24); the control component (21) comprises a controller (211) and a control panel (212); the controller (211) is installed at the top of the base (1); the surface of the controller (211) is electrically connected to the control panel (212); the communication component (22) comprises a communication machine (221) and an external interface (222); the outer side of the controller (211) is electrically connected to the communication machine (221); and one side of the controller (211) is electrically connected to the external interface (222).

2. A novel photovoltaic power generation grid-connected control device according to claim 1, characterized in that: The power distribution assembly (23) comprises a power distribution cabinet (231), a power distribution interface (232) and an inverter (233); the power distribution cabinet (231) is arranged on one side of the base (1); the power distribution interface (232) is provided on the surface of the power distribution cabinet (231); and the inverter (233) is installed on the outside of the power distribution cabinet (231).

3. A novel photovoltaic power generation grid-connected control device according to claim 2, characterized in that: The photovoltaic assembly (24) comprises a support frame (241) and a photovoltaic panel (242); the support frame (241) is arranged on one side of the power distribution cabinet (231), and the photovoltaic panel (242) is installed on the inner side of the support frame (241).

4. A novel photovoltaic power generation grid-connected control device according to claim 3, characterized in that: A monitoring component (3) is installed at the top of the support frame (241), and the monitoring component (3) comprises a temperature monitor (31) and a sunshine meter (32). A temperature monitor (31) is installed at the top of the support frame (241), and a sunshine meter (32) is arranged on one side of the temperature monitor (31).

5. A novel photovoltaic power generation grid-connected control device according to claim 4, characterized in that: A recording component (4) is arranged on the outside of the support frame (241), and the recording component (4) comprises a recorder (41) and a recording interface (42). A recorder (41) is arranged on the outside of the support frame (241), and the top of the recorder (41) is electrically connected to the recording interface (42).

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