35 results about "Rooftop photovoltaic power station" patented technology

The invention discloses a photovoltaic power generation system data collecting device based on a Zigbee. The photovoltaic power generation system data collecting device comprises a plurality of collectors and at least one collecting gateway. The collects are respectively connected with at least one detected device of a photovoltaic power generation system and collect and send the electric power data of the detected device. One end of the collecting gateway is connected with at least one collector through a Zigbee wireless network and receives the electric power data, and the other end of the collecting gateway is connected with a power station monitoring server and uploads the electric power data to the power station monitoring server. Compared with the prior art, distribution type photovoltaic power station monitoring is achieved through the mode of the Zigbee wireless network, the monitoring problem of large-scale photovoltaic power stations and photovoltaic power stations similar to village distributed type roofs can be solved, pulling and burying road-crossing cables are of no need in using process, data traffic cost is avoided, and low cost and intelligent management of the power station is achieved. In addition, the invention further discloses a photovoltaic power generation system data collecting method based on the Zigbee.

The invention relates to the field of machinery, in particular to a photovoltaic cleaning robot. The portable photovoltaic cleaning robot comprises a cleaning robot. The cleaning robot comprises a robot frame. Two brush rollers which are arranged in parallel are installed on the lower portion of the robot frame. By means of the design, the portable photovoltaic cleaning robot is provided, cleaningof operation and maintenance equipment of a photovoltaic power station becomes lightweight, the portable photovoltaic cleaning robot is mainly applied to the flat type roof photovoltaic power station, the power station does not need to be improved, and the total cost of installation and cleaning of the operation and maintenance equipment of the photovoltaic power station is reduced. The machine runs on photovoltaic assemblies, the automatic falling-prevention function is fulfilled, and the safe cleaning work of the robot is guaranteed. The intensity of pressure applied to the assemblies is low, no damage is caused, the purpose of automatically crossing a maintenance channel between each photovoltaic assembly array and the adjacent photovoltaic assembly array can be achieved, and manual carrying is not required.

The invention relates to a heat utilization system for rooftop photovoltaic power stations, and belongs to the field of photovoltaic power generation and waste heat utilization. The system comprises a photovoltaic power generation assembly, wherein the back surface of the photovoltaic power generation assembly is provided with a heat collector; the heat collector is provided with a circulating waterway of a No.1 heat exchange sheet connected to the inside of a water-tank heat exchanger; the circulating waterway is provided with a water pump; the water-tank heat exchanger is provided with an automatic water filling valve and an automatic water drain valve; the circulating waterway is provided with a No.1 temperature sensor; a No.2 temperature sensor is arranged in the water-tank heat exchanger; the No.1 temperature sensor and the No.2 temperature sensor are in signal connection with a controller; and the controller controls the opening and closing of the water pump, the automatic water filling valve and the automatic water drain valve. The system is simple in structure and low in cost, and especially applicable to remote areas or roof photovoltaic power stations, and can effectively guarantee the photovoltaic power generation efficiency and provides domestic water, and therefore, the system has popularization and application values.

The invention discloses a photovoltaic power station inspection and operation maintenance system and a method thereof. The system comprises a universal wheel, a car body, a lifting rod camera, a machine arm, a conveying mechanism and a main controller. The universal wheel, the lifting rod camera, the machine arm, the conveying mechanism and the main controller are fixedly installed in the car body. A car body chassis can walk on a flat ground or concrete roof. The universal wheel walks along an inspection line and stays at a resident point. The lifting rod camera goes up or down and rotates at the resident point to face an observation target. The machine arm operates buttons of a weak current switch and a field device. The conveying mechanism conveys a photovoltaic cleaning machine to another row of photovoltaic panels from one row of photovoltaic panels. The main controller obtains data through a sensing detection and communication interface and carries out control through an application process. The main controller contacts with a remote monitoring center through a wireless communication interface. According to the system and the method, each piece of electric equipment is highlighted, and thus the system and the method have practical values in the inspection and operation maintenance application of large-scale photovoltaic power stations and roof photovoltaic power stations.

The invention relates to a splicing type installation method for a flexible thin film solar cell module of a curtain or roof photovoltaic power station. The installation method at least involves a flexible thin film solar cell module and a splicing glue layer, wherein the flexible thin film solar cell comprises a battery substrate of a flexible metal or non-metal material, a power generation thin film layer, a glue film layer and a water blocking layer, the splicing glue layer comprises double-sided glue and splicing glue, the flexible thin film solar module is fixed on a curtain or roof surface by a splicing mode of the double-sided glue and the splicing glue, the flexible thin film solar modules are connected and conducted via connectors, and a series structure is formed among the modules so as to form a photovoltaic system. The method process is simple to implement and is free from influence of an environmental factor, and meanwhile, the method is safe and reliable and can be used in installation of a flexible thin film solar module curtain and roof photovoltaic system.

The embodiment of the invention provides a region determining method and associated equipment. The method is used for determining an object region in which a roofing photovoltaic power station can bemounted on the building roof, so that the efficiency and accuracy of determining the object region are improved. The method in the embodiment of the invention comprises the following steps: acquiringsurveying result data, wherein the surveying result data is data obtained by surveying a target building; determining a target cutting surface according to target nodes in the surveying result data; cutting a target obstacle on the target building according to the target cutting surface so as to respectively obtain the building main body and the target obstacle, wherein the target obstacle is an obstacle at the top of the target building; determining target shadow of the building main body, wherein the target shadow is shadow generated by the target obstacle on the building main body; determining the top of the building main body except the area outside the target shadow as a target region, wherein the target region is a region in which the roofing photovoltaic power station is arranged.

The invention provides a rapid installation system for a photovoltaic power station on a color steel tile roof. The rapid installation system comprises a photovoltaic module (1) and a flexible connector (5), wherein the photovoltaic module (1) is fastened and arranged on a color steel tile flute (3) of the color steel tile roof (2) through a flexible connector (5); one end of the flexible connector (5) is fastened and connected to the back surface of the photovoltaic module (1); a bayonet is formed in the other end of the flexible connector (5); and the bayonet clamps the color steel tile flute (3) of the color steel tile roof (2). According to the rapid installation system for the power station on the color steel tile roof, a primary structure part and a secondary structure part are omitted; the burden on a roof load is reduced; the cost of the system is greatly reduced; and the overall reliability and safety of the roof structure are also ensured.

The invention discloses an automatic vertical bidirectional travelling control photovoltaic power station sweeping robot. The sweeping robot comprises a mounting frame with a rectangular frame structure, a control system and a storage battery fixed in the mounting frame, two translation travelling systems which are connected to the two end parts of the mounting frame respectively through corresponding bidirectional conversion systems, two sweeping travelling systems which are connected in the mounting frame, two sweeping systems connected to the two sides of the mounting frame respectively, and a detection system fixed on the mounting frame. According to the automatic vertical bidirectional travelling control photovoltaic power station sweeping robot, any position of a roof photovoltaic power station can be swept, a fixing track and a movable platform system are not necessary, the cost is saved, and the flexibility is high. The sweeping robot does not need auxiliary equipment, the robot can independently select to travel in the X direction and the Y direction, the robot can reach an isolated component through the control system, the application prospect of the robot on the roof photovoltaic power station is large, and the robot has more advantages especially on a factory roof with more dust.

The invention discloses a site selection and capacity determining method for orderly connecting a roof photovoltaic power station into a power distribution network. The method comprises the followingsteps that: on the basis of the connection amount Ns of roof photovoltaic power stations, establishing an installation scheme matrix of which the dimension is 2Ns, wherein the first Ns elements of theinstallation scheme matrix are the rated capacity of the roof photovoltaic power station, and the last Ns elements are the connection positions of the roof photovoltaic power station; optimizing a multi-objective optimal configuration model for orderly connecting the roof photovoltaic power stations into a rural power distribution network; classifying all individuals in the installation scheme matrix; and screening elite individuals, carrying out crossover and mutation until a standard Pareto leading edge curve is obtained, and screening an optimal configuration scheme from the installation scheme individuals of the Pareto leading edge curve. By use of the method, the problems that distributed power generation resources are wasted since a large scale of roof photovoltaic power stations isconnected into the rural power distribution network to cause unordered distribution at present can be solved, and an instructive function is performed for the economic operation of the power distribution network and the reliable power suply of a distributed power supply.

The invention discloses a method for calculating the generating capacity of a photovoltaic power station, and the method comprises the following steps: firstly, calculating the area of a cell panel: firstly, calculating the area of the cell panel required by a 1-megawatt roof photovoltaic power station, wherein since the area of a 235mw cell panel is 1.6368 square meters, the area of the cell panel is 1.6368 square meters, the number of batteries required by 1MW can be obtained, so that the total area of the battery panel can be calculated, and the required area of the battery panel can be obtained; according to the method for calculating the generating capacity of the photovoltaic power station, through sequential statistics and calculation, the final actual annual generating capacity data is more accurate, meanwhile, the actual generating efficiency calculated by considering different influence factors is adopted, the influence of different factors on the generating efficiency can be visually seen, operation is easy, use is convenient, and good use prospects are realized.

The invention discloses a wireless monitoring device of a rooftop photovoltaic power station. A photovoltaic power station current and voltage collecting module is used for collecting the current and voltage parameters of the photovoltaic power station, and the current and voltage parameters are transformed and processed and are transmitted to a master control chip. An illuminance collecting module is used for collecting illuminance parameters, the digital quantity of illuminance is transmitted to the master control chip after the illuminance parameters are processed, the master control chip makes judgment according to the strength of the illuminance, if the illuminance is lower than a certain preset value, a standby dormant state is started, and a work state is started otherwise. A temperature and humidity collecting module collects the real-time work environment temperature and humidity of the photovoltaic power station, and the real-time work environment temperature and humidity are input into the master control chip. An indicating circuit is used for indicating communication signals and the work state. A wireless communication module is used for achieving a long-distance wireless communication function, and communication data are exchanged between the wireless communication module and the master control chip. The wireless monitoring device of the rooftop photovoltaic power station can remotely collect and transmit the multiple parameters of the rooftop photovoltaic power station, and the rooftop photovoltaic power station can be monitored in real time.

The invention discloses a cleaning machine, system and method for transfer of front and rear rows of tiled roof photovoltaic power stations, and relates to the technical field of photovoltaic assemblycleaning. The cleaning machine comprises a control system, a steering system and a positioning module, a steering motor, a walking device and the positioning module are all in data connection with the control system, the control system controls the walking device and the steering motor according to received signals which are sent after the positioning module is triggered, the walking device is started to drive the cleaning machine to walk, cleaning for all array assemblies is achieved, the steering motor is started to rotate by the set angle, the steering motor drives the walking device to rotate by the same angle, and turning transfer of the cleaning machine among the arrays is achieved. Accordingly, by adopting the cleaning machine, mutual conversion between cross-row transfer and cleaning can be achieved through the signals of the positioning module, so that continuous cross-row cleaning for multiple rows of photovoltaic assembly arrays (comprising cross-row cleaning among any irregularly-arranged array assemblies) is achieved, and vehicle transfer is not needed.

The invention relates to an installation mechanism of a flexible thin film assembly of a roof photovoltaic power station. The installation mechanism comprises main foot stools and columns, the lower end of each foot stool is provided with an opening, a motor is mounted outside the foot stools, the left end of the motor is connected with a linked gear set, a rotor is fixed in the left end of the linked gear set, hydraulic cylinders are mounted in the internal front and back ends of the main foot stools respectively, hydraulic rods are arranged under the hydraulic cylinders respectively, connection blocks are fixed to the lower ends of the hydraulic rods respectively, and bearings are installed under the connection blocks respectively. The installation mechanism has the advantages that the linked gear set drives the rotor to rotate due to work of the motor, further, a drum rotates, and the flexible thin film assembly is wound around the rotating drum; and operation is very convenient, and a rotating shaft provides reasonable condition for rotation of the rotor.

The invention discloses a removable integrated-type water pump cleaning device applied to a roof photovoltaic power station. The removable integrated-type water pump cleaning device comprises a base. The four corners of the bottom end of the base are provided with rolling wheels. A water pump and a power box are arranged at the left side and the right side of the top end of the base. The four corners of the upper surface of the base are provided with positioning holes. Feed rods are arranged in the positioning holes. An upper threaded rod and a lower threaded rod are arranged at the upper end and the lower end of each feed rod correspondingly. According to the removable integrated-type water pump cleaning device applied to the roof photovoltaic power station, the rolling wheels, the base and the water pump are matched, the water pump is connected with a water source and a cleaning pipeline, and wires carried by the power box are coupled to a nearby power source, so that electricity metering is achieved through an ammeter, and water metering is achieved through a water meter. Connection of the power source, the water source and the water pump with the cleaning pipeline is cut off after cleaning is completed, the complete set of device can be moved, and thus the next position can be cleaned; or after all the cleaning work contents are completed, the device is stopped back to a preset position, and the requirement of the entire photovoltaic power generation system can be met.

The invention discloses a kettle traveling on residential roof photovoltaic panels. The kettle comprises a kettle shell, a water inlet, a water outlet, a handle, a Mecanum car bottom, a wireless communication module, a water outlet electromagnetic valve, a power module and a main control module. The water outlet electromagnetic valve consists of a stepping motor, a valve and a water pressure device, and the Mecanum car bottom comprises a motor, a motor driver, a chuck and Mecanum wheels. The pulse output loop of the main control module is connected with a motor driver of the water outlet electromagnetic valve so as to control the stepping motor; and the main control module receives a remote control command of a regional operation and maintenance center, wherein the remote control command comprises the actions of controlling the traveling path and the traveling speed of the Mecanum car bottom, opening the electromagnetic valve during traveling or opening the electromagnetic valve afterstopping, and closing the electromagnetic valve. The kettle is a component unit of an inspection, operation and maintenance system of a residential roof photovoltaic power station, helps to remove dust spots of the photovoltaic panels, and has positive effects on stable power generation, full power generation and income guarantee under the background of millions of residential roof photovoltaic power stations.