Photovoltaic power plant operation and maintenance system

文档序号：1834348 发布日期：2021-11-12 浏览：23次中文

阅读说明：本技术 一种光伏电站运维系统 (Photovoltaic power plant operation and maintenance system ) 是由杨彦勇赵倩倩徐向东马小兰王振国李培金于 2021-08-17 设计创作，主要内容包括：本发明提供了一种光伏电站运维系统,所述光伏电站包括：光伏组件阵列和标准光伏组件,所述运维系统包括：电信号采集装置,所述电信号采集装置配置于汇流器,所述电信号采集装置包括：第一传感器、第二传感器和第一控制模块；机器人,所述机器人配置于所述光伏电站内,所述机器人包括：电动行走机构、水箱、电动喷头和第二控制模块。本发明的运维系统用于对光伏电站内的光伏组件阵列进行清洗。(The invention provides a photovoltaic power station operation and maintenance system, which comprises: photovoltaic module array and standard photovoltaic module, the fortune dimension system includes: the signal of telecommunication collection system, the signal of telecommunication collection system disposes in the ware that converges, the signal of telecommunication collection system includes: the system comprises a first sensor, a second sensor and a first control module; a robot disposed within the photovoltaic power plant, the robot comprising: electric running gear, water tank, electronic shower nozzle and second control module. The operation and maintenance system is used for cleaning the photovoltaic module array in the photovoltaic power station.)

1. A photovoltaic power plant operation and maintenance system, characterized in that, photovoltaic power plant includes: photovoltaic module array and standard photovoltaic module, the fortune dimension system includes:

the signal of telecommunication collection system, the signal of telecommunication collection system disposes in the ware that converges, the signal of telecommunication collection system includes: the photovoltaic module comprises a first sensor, a second sensor and a first control module, wherein the first sensor is used for detecting electric signals of the photovoltaic array, the second sensor is used for detecting electric signals of the standard photovoltaic module, the first control module is electrically connected with the first sensor and the second sensor, and the first control module is used for acquiring the electric signals collected by the first sensor and the second sensor;

a robot disposed within the photovoltaic power plant, the robot comprising: the water tank is mounted on the electric travelling mechanism, the electric spray head is mounted on the water tank, the second control module is in communication connection with the first control module, and the second control module is electrically connected with the electric travelling mechanism and the electric spray head;

the first control module is internally preset with a cost calculation program, and the cost calculation model is used for calculating the difference between the cleaning benefit and the cleaning cost;

when the cleaning benefit is larger than the cleaning cost, the first control module sends a first instruction to the second control module, and the first instruction is used for controlling the robot to advance and cleaning the photovoltaic array plate.

2. The photovoltaic power plant operation and maintenance system of claim 1,

and the cleaning benefit is calculated according to the difference value of the electric signals of the photovoltaic module array and the electric signals of the standard photovoltaic module.

3. The photovoltaic power plant operation and maintenance system of claim 2,

an intelligent scheduling program is preset in the first control module, and when the cleaning benefit is greater than the cleaning cost, the first instruction is generated according to the intelligent scheduling program;

and the second control module is used for controlling the three-dimensional map, the positioning program and the path planning program of the photovoltaic power station according to the threshold value, and is used for controlling the electric travelling mechanism.

4. The photovoltaic power plant operation and maintenance system according to claims 1-3, characterized in that the operation and maintenance system further comprises:

the central control display equipment is configured in a central control room and comprises a first display screen and a third control module, the third control module is connected with the first control module through a cable, and the third control module is electrically connected with the first display screen;

the wireless communication terminal is configured on-site workers in the photovoltaic power station and is in wireless communication connection with the third control module;

the electric signal acquisition device further comprises: the second display screen is electrically connected with the first control module;

the third control module acquires electric signals acquired by the first sensor and the second sensor through the first control module;

the third control module is internally preset with a fault judgment program and a connection detection program, the fault judgment program is used for judging whether the photovoltaic power station has faults or not according to electric signals acquired by the first sensor and the second sensor and acquired by the first control module, and the connection detection program is used for detecting whether the third control module and the first control module are successfully connected or not;

when the judgment result is that a fault occurs, the third control module sends a second instruction to the wireless communication terminal;

and when the third control module is judged to be unsuccessfully connected with the first control module, the third control module sends a third instruction to the wireless communication terminal.

5. The photovoltaic power plant operation and maintenance system of claim 4, further comprising:

and the thermal imaging detector is configured on the site staff in the photovoltaic power station.

6. The photovoltaic power plant operation and maintenance system according to claim 4, wherein the electrical signal collection device further comprises a communication interface, the communication interface is disposed outside a switch door of the junction station, and the communication interface is used for connecting the wireless communication terminal;

when the wireless communication terminal is connected with the communication interface, the wireless communication terminal sends a fourth instruction to the first control module, and the fourth instruction is used for controlling the opening and closing door of the junction station to be opened.

7. The photovoltaic power plant operation and maintenance system of claim 4, wherein the electrical signal collection device further comprises:

a communication interface for connecting the wireless communication terminal;

when the wireless communication terminal is connected with the communication interface, the wireless communication terminal sends a fifth instruction to the third control module;

the third control module presets a time calculation program, and the time calculation program is used for calculating a time interval between the sending of the second instruction and the receiving of the fifth instruction and calculating a time interval between the sending of the third instruction and the receiving of the fifth instruction.

8. The photovoltaic power plant operation and maintenance system of claim 7, wherein the electrical signal collection device further comprises:

the first camera faces the outer side of the junction station;

and the second camera faces the junction station.

9. The photovoltaic power plant operation and maintenance system of claim 4, further comprising:

the alarm device is configured in the photovoltaic power station and comprises a third camera, a fourth control module and a loudspeaker, the fourth controller is in communication connection with the third controller, and the fourth controller is electrically connected with the third camera and the loudspeaker;

the third camera is used for shooting pictures in the photovoltaic power station;

the fourth control module is preset with an image processing program, and the image processing program is used for analyzing whether a suspicious person exists in a picture shot by the third camera;

and when the judgment result is that the suspicious person exists, the fourth control module controls the loudspeaker to give an alarm.

Technical Field

The invention belongs to the technical field of operation and maintenance of power stations, and particularly relates to an operation and maintenance system of a photovoltaic power station.

Background

The photovoltaic power station is a power generation system which is formed by using solar energy and electronic elements made of special materials such as a crystalline silicon plate, an inverter and the like, and is connected with a power grid and transmits power to the power grid. Photovoltaic power plants usually have a large floor space, so the operation and maintenance of photovoltaic power plants are problems to be solved at present.

In view of this, the invention is particularly proposed.

Disclosure of Invention

The invention aims to provide a photovoltaic power station operation and maintenance system which is used for cleaning a photovoltaic module array in a photovoltaic power station.

In order to solve the technical problem, the invention provides a photovoltaic power station operation and maintenance system, wherein the photovoltaic power station comprises: photovoltaic module array and standard photovoltaic module, the fortune dimension system includes:

Further, in the present invention,

and the cleaning benefit is calculated according to the difference value of the electric signals of the photovoltaic module array and the electric signals of the standard photovoltaic module.

Further, in the present invention,

Further, the operation and maintenance system further comprises:

the wireless communication terminal is configured on-site workers in the photovoltaic power station and is in wireless communication connection with the third control module;

the electric signal acquisition device further comprises: the second display screen is electrically connected with the first control module;

the third control module acquires electric signals acquired by the first sensor and the second sensor through the first control module;

when the judgment result is that a fault occurs, the third control module sends a second instruction to the wireless communication terminal;

and when the third control module is judged to be unsuccessfully connected with the first control module, the third control module sends a third instruction to the wireless communication terminal.

Further, the operation and maintenance system further comprises:

and the thermal imaging detector is configured on the site staff in the photovoltaic power station.

Furthermore, the electric signal acquisition device also comprises a communication interface, and the communication interface is used for connecting the wireless communication terminal;

Further, the electric signal acquisition device further comprises:

a communication interface for connecting the wireless communication terminal;

when the wireless communication terminal is connected with the communication interface, the wireless communication terminal sends a fifth instruction to the third control module;

Further, the electric signal acquisition device further comprises:

the first camera faces the outer side of the junction station;

and the second camera faces the junction station.

Further, the operation and maintenance system further comprises:

the third camera is used for shooting pictures in the photovoltaic power station;

the fourth control module is preset with an image processing program, and the image processing program is used for analyzing whether a suspicious person exists in a picture shot by the third camera;

and when the judgment result is that the suspicious person exists, the fourth control module controls the loudspeaker to give an alarm.

The invention provides a photovoltaic power station operation and maintenance system, which is characterized in that a cost calculation model is used for calculating a difference value between cleaning income and cleaning cost; when the cleaning benefit is larger than the cleaning cost, the first control module sends a first instruction to the second control module, and the first instruction is used for controlling the robot to advance and cleaning the photovoltaic array plate. That is to say, the system of the present invention determines whether the photovoltaic module array needs to be cleaned by using the clean standard photovoltaic module, so that waste of water resources can be reduced, and the maximum cleaning benefit can be realized.

Drawings

Fig. 1 is a block diagram of a photovoltaic power plant operation and maintenance system according to an embodiment of the present invention;

fig. 2 is a block diagram of a photovoltaic power plant operation and maintenance system according to another embodiment of the present invention.

Detailed Description

The core of the invention is to provide a photovoltaic power station operation and maintenance system which is used for cleaning photovoltaic modules in a photovoltaic power station.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A photovoltaic power plant operation and maintenance system, the photovoltaic power plant comprising: the photovoltaic module array comprises a photovoltaic module array and standard photovoltaic modules, wherein the standard photovoltaic modules need to be cleaned every day to ensure the cleanliness of the standard photovoltaic modules and further ensure that the standard photovoltaic modules generate electricity at the maximum power; the photovoltaic module array refers to all the photovoltaic modules except the standard photovoltaic module in the photovoltaic power station.

As shown in fig. 1, the operation and maintenance system includes: signal of telecommunication collection system and robot.

The signal of telecommunication collection system disposes in the ware that converges, the signal of telecommunication collection system includes: the photovoltaic module comprises a first sensor, a second sensor and a first control module, wherein the first sensor is used for detecting an electric signal of the photovoltaic array, the second sensor is used for detecting an electric signal of the standard photovoltaic module, the first control module is electrically connected with the first sensor and the second sensor, and the first control module is used for acquiring the electric signal acquired by the first sensor and the second sensor.

In this embodiment, each of the first sensor and the second sensor is at least one, and the first sensor and the second sensor may be one or more of a current sensor, a voltage sensor and an electric power sensor for collecting one or more of current, voltage or electric power of the photovoltaic module array and the standard photovoltaic module in the junction station, for example, the first sensor may be two, respectively a current sensor and an electric power sensor for collecting current and electric power of the photovoltaic array. It should be noted that the junction station is a conventional device in a photovoltaic power station at present, and is configured to collect electricity generated by the photovoltaic module array, in this embodiment, only the first sensor, the second sensor and the first control module need to be installed in the junction station, and other structures of the junction station do not need to be modified.

In this embodiment, the first control module may be a single chip microcomputer control module in the prior art, and includes a circuit board, and chips such as a processor and a memory soldered to the circuit board, and is configured to store program instructions and execute the program instructions, on the other hand, the first control module may be configured with a storage battery for supplying power or a power interface for an external power source, and on the other hand, the first control module may be configured with a communication interface for an external device.

The robot is configured within the photovoltaic power plant, the robot comprising: electronic running gear, water tank, electronic shower nozzle and second control module, the water tank install in electronic running gear, electronic shower nozzle install in the water tank, second control module with first control module communication connection, second control module with electronic running gear with electronic shower nozzle electric connection, promptly second control module can pass through walking structure control the robot is marchd, turns to action such as, can control electronic shower nozzle opens and realizes the water spray, on the other hand can make electronic shower nozzle slope makes when the robot stops in photovoltaic module the place ahead electronic shower nozzle is towards photovoltaic module.

In this embodiment, the robot may be an unmanned vehicle in the prior art, and the communication connection between the second control module and the first control module means that the two can send data to each other, for example, wifi, zigbee and other technologies may be used to realize the communication connection between the two.

And presetting a cost calculation program in the first control module, wherein the cost calculation model is used for calculating the difference between the cleaning benefit and the cleaning cost. Specifically, the cleaning benefit is calculated based on the difference between the electrical signal of the photovoltaic module array and the electrical signal of the standard photovoltaic module, for example, the power generation amount per day can be calculated based on the electrical signal of the photovoltaic module array, which is defined as the current power generation amount, the current power generation amount × the electricity price can calculate the current benefit, the power generation amount per day can be calculated based on the electrical signal of the standard photovoltaic module array, which is defined as the maximum power generation amount (the maximum power generation amount refers to the power generation amount that can be realized by a clean photovoltaic module), the maximum power generation amount × the electricity price can calculate the maximum benefit, and the difference between the current benefit and the maximum benefit is the cleaning benefit (the cleaning benefit refers to the benefit that can be increased after the cleaning of the photovoltaic module array), so the cleaning benefit can be calculated based on the difference between the electrical signal of the photovoltaic module array and the electrical signal of the standard photovoltaic module, i.e. the difference between the maximum benefit and the current benefit.

When the cleaning benefit is larger than the cleaning cost (the cleaning cost refers to the cost required for cleaning the photovoltaic module array once and mainly comprises the cost of water), the first control module sends a first instruction to the second control module, and the first instruction is used for controlling the robot to advance and cleaning the photovoltaic array plate. Specifically, when the photovoltaic power station stops working after the sunset mountain, the difference between the maximum benefit and the current benefit is calculated, and when the cleaning benefit is larger than the cleaning cost, the first control module sends a first instruction to the second control module.

In the photovoltaic power station operation and maintenance system of the embodiment, the cost calculation model is used for calculating a difference value between the cleaning benefit and the cleaning cost; when the cleaning benefit is larger than the cleaning cost, the first control module sends a first instruction to the second control module, and the first instruction is used for controlling the robot to advance and cleaning the photovoltaic array plate. That is to say, the system of this embodiment, with clean standard photovoltaic module judges whether need wash the photovoltaic module array, can reduce the waste to the water resource to realize washing income maximize.

In an alternative embodiment:

In this embodiment, the second control module may obtain the position of the robot in the photovoltaic power station through the three-dimensional map of the photovoltaic power station and the positioning program, the first control module may obtain the position of the robot in the photovoltaic power station through the second control module, the intelligent scheduling program calculates and sequences distances from the robot to each photovoltaic module, the distances are used as a cleaning sequence, and the first instruction is generated and includes the cleaning sequence of the photovoltaic power panels.

In an alternative embodiment: as shown in fig. 2, the operation and maintenance system further includes:

the wireless communication terminal is configured on-site workers in the photovoltaic power station and is in wireless communication connection with the third control module; specifically, the wireless communication terminal may be a mobile phone, a pad, or an intelligent interphone.

The electric signal acquisition device further comprises: the second display screen is electrically connected with the first control module;

the third control module acquires electric signals acquired by the first sensor and the second sensor through the first control module;

the photovoltaic power station control system comprises a first control module, a second control module, a third sensor, a third control module and a fourth control module, wherein a fault judgment program and a connection detection program are preset in the third control module, the fault judgment program is used for judging whether an electrical fault occurs in the photovoltaic power station according to electric signals acquired by the first sensor and the second sensor through the first control module, and the connection detection program is used for detecting whether the connection between the third control module and the first control module is successful;

when the judgment result is that a fault occurs, the third control module sends a second instruction to the wireless communication terminal;

and when the third control module is judged to be unsuccessfully connected with the first control module, the third control module sends a third instruction to the wireless communication terminal.

In this embodiment, the preset fault judgment program is configured to judge whether the photovoltaic module array and the standard photovoltaic module are faulty or not, and send a second instruction to the wireless communication terminal when the photovoltaic module array and the standard photovoltaic module are faulty, where the second instruction is used to remind a worker on a photovoltaic power station site to maintain the faulty photovoltaic module array or the standard photovoltaic module.

In this embodiment, when a cable connecting the third control module and the first control module is burned out due to an excessive current in the junction station, a third instruction may be sent to the wireless communication terminal.

In an optional embodiment, the operation and maintenance system further includes:

and the thermal imaging detector is configured on the site staff in the photovoltaic power station.

When a fault occurs in the combiner or a cable burns out, the temperature is usually increased, so the fault can be further verified by using the thermal imaging detector.

In an optional embodiment, the electrical signal acquisition device further includes a communication interface, the communication interface is configured outside a switch door of the junction station, and the communication interface is used for connecting the wireless communication terminal;

The switching door of the junction station is usually large and cannot be opened manually, and in this embodiment, the fourth instruction is used for controlling the switching door of the junction station to be opened.

In an optional embodiment, the electrical signal acquisition device further comprises:

a communication interface for connecting the wireless communication terminal;

when the wireless communication terminal is connected with the communication interface, the wireless communication terminal sends a fifth instruction to the third control module;

In this embodiment, the time calculation program is configured to calculate a time interval between sending the second instruction and receiving the fifth instruction, and calculate a time interval between sending the third instruction and receiving the fifth instruction, and the time interval may be used for accountability, for example, to specify a time interval from receiving the second instruction or the third instruction to arriving at a site for a field worker in the photovoltaic power plant, and perform accountability for the field worker in the photovoltaic power plant when an actual time interval is greater than the specified time interval.

In an optional embodiment, the electrical signal acquisition device further comprises:

the first camera faces the outer side of the junction station;

and the second camera faces the junction station.

In this embodiment, the first camera and the second camera are used for shooting pictures of field workers in the photovoltaic power station during maintenance.

In an optional embodiment, the operation and maintenance system further includes:

the third camera is used for shooting pictures in the photovoltaic power station;

the fourth control module is preset with an image processing program, and the image processing program is used for analyzing whether a suspicious person exists in a picture shot by the third camera;

and when the judgment result is that the suspicious person exists, the fourth control module controls the loudspeaker to give an alarm.

In this embodiment, a plurality of alarm devices may be provided within the photovoltaic power plant. The photovoltaic power station usually occupies a large area, and suspicious personnel entering the photovoltaic power station can be monitored through the third camera.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention, and the invention is therefore not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

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