The battery sheet damages in the solar photovoltaic battery component, aging automatic cruising detection system
Technical field
The invention belongs to solar photovoltaic cell panel and survey the damage technical field, relate to optical detection technique, be specifically related to battery sheet damage in a kind of solar photovoltaic battery component, aging automatic cruising detection system.
Background technology
Human society is in instantly from high-carbon economy to the low-carbon economy process of transition.The energy is the primary precondition of modern humans's social development, and sun power is inexhaustible, is the first-selection of environment not being had the novel renewable energy of any pollution.Making full use of sun power is to solve the future source of energy shortage, and the protection environment reduces the release greenhouse gases, prevents the effective way of global warming.Effective utilization of sun power will be performed meritorious deeds never to be obliterated in transformation process.2000 to 2008, the output annual average compound growth rate of global solar battery was about 47%, 2008 annual production and reaches 6.4GW, and 2009 annual production reach 10.5GW, and photovoltaic industry expansion in 2010 will be carried out.
Photovoltaic generation is the main mode that present sun power utilizes.And solar cell is the critical piece of photovoltaic generation, but because solar cell there are differences in process of production, so their aging speed is often inconsistent, add and be subjected to blocking of different influence of intensity of sunshine and shade, be easy to take place the hot spot phenomenon, cause a slice or several solar battery sheets in the photovoltaic array to shift to an earlier date end-of-life.In the encapsulation transportation of solar photovoltaic battery component,, misoperation damages owing to also can causing certain a slice or a few solar battery sheets.If untimely maintenance and replacing can cause the damage of other solar battery sheets, and have a strong impact on the output efficiency of photo-voltaic power generation station in the process of using.Therefore, for the damage of solar battery sheet and aging detection become very necessary.Do not see at present relevant for photovoltaic cell damage and the detection system that wears out and the concrete relevant report of detection method.
Summary of the invention
The invention discloses battery sheet damage in a kind of solar photovoltaic battery component, aging automatic cruising detection system, its purpose is to adapt to the needs of development of new techniques, for photovoltaic cell group quality, damage, aging detection provide a kind of simple in structure, easy to operate, the pick-up unit of methodological science practicality can obtain correct testing result, for the photovoltaic cell quality testing provides important evidence in few time of trying one's best.
The battery sheet damages in the solar photovoltaic battery component, and aging automatic cruising detection system comprises automatic cruising pick-up unit, digital voltmeter, step motor control case and computing machine; It is characterized in that:
A) described automatic cruising pick-up unit comprises: quadrilateral frame, LASER Light Source/led light source, two X-axis stepper motors, a y-axis stepper motor, three secondary rotors, on four edged surfaces of quadrilateral frame, respectively connect an X-axis traction table, the X-axis traction table goes to upper and lower two pairs along X-direction and is arranged in parallel, every pair of affixed a pair of X-axis towbar of X-axis traction table, every pair of one of X-axis traction table connects the X-axis stepper motor, another connects secondary rotor, and the X-axis traction belt of ring-type is enclosed within respectively on X-axis stepper motor and the corresponding secondary rotor;
B) a pair of Y-axis traction table is connected and is enclosed within on upper and lower two pairs of X-axis towbars with the two pairs of X-axis traction belts are vertical respectively, the affixed a pair of Y-axis towbar of described two Y-axis traction tables, connect y-axis stepper motor on the Y-axis traction table, connect secondary rotor on another Y-axis traction table, the Y-axis traction belt is enclosed within on the secondary rotor of y-axis stepper motor and correspondence;
C) LASER Light Source/led light source is simultaneously affixed with the Y-axis traction belt, and is slidingly connected with the Y-axis towbar;
The signal output part of described step motor control case connects two X-axis stepper motors and a y-axis stepper motor respectively; The input end of described step motor control case is connected with computing machine by data line; The signal input part of described digital voltmeter connects solar photovoltaic battery component the two poles of the earth, and the signal output part of digital voltmeter connects computing machine.
Connect clip on four angles at the quadrilateral frame back side of described solar photovoltaic battery component automatic cruising pick-up unit, clip is connected with solar photovoltaic cell panel.
Described single solar photovoltaic battery component is packaged into by the grid serial or parallel connection through the array group merging by a plurality of solar battery sheets forms integral body.
The present invention is simple and reasonable, and is easy to operate, and testing result is accurate, and the practicality of detection method science can obtain correct testing result in the short period of time, improves the serviceable life and the service efficiency of solar photovoltaic cell panel greatly.
Description of drawings
Fig. 1 is the automatic cruising detection system one-piece construction synoptic diagram that the battery sheet damages, wears out in the solar photovoltaic battery component;
Fig. 2 is the automatic cruising pick-up unit structural representation that the battery sheet damages, wears out in the solar photovoltaic battery component;
Fig. 3 is the polycrystalline substance synoptic diagram of the automatic cruising pick-up unit that the battery sheet damages, wears out in the solar photovoltaic battery component;
Fig. 4 is the trajectory diagram of light source automatic cruising motion.
1.X shaft step motor, 2.X axis traction rod, 3.X axle traction belt, 4.Y the axle traction table, 5.Y axis traction rod, 6. LASER Light Source/led light source, 7. solar photovoltaic battery component, 8.Y axle traction belt, 9.Y shaft step motor, 10.X the axle traction table, 11. secondary rotors, 12. solar battery sheets, 13. step motor control case, 14. computing machine, 15. digital voltmeters, 16. clips.
Embodiment
Describe in further detail below in conjunction with in conjunction with the accompanying drawings and embodiments the present invention being done.
As shown in Figure 1: the battery sheet damages in the solar photovoltaic battery component, and aging automatic cruising detection system comprises automatic cruising pick-up unit, digital voltmeter 15, step motor control case 13 and computing machine 14.
Described automatic cruising pick-up unit such as Fig. 1, shown in Figure 2: as to comprise quadrilateral frame, LASER Light Source/led light source 6, two X-axis stepper motors 1, a y-axis stepper motor 9, three secondary rotors 11, on four edged surfaces of quadrilateral frame, respectively connect an X-axis traction table 10, the X-axis traction table is presented along X-direction, following two pairs are arranged in parallel, affixed a pair of X-axis towbar 2 on every pair of X-axis traction table, every pair of 10 1 of X-axis traction table connects X-axis stepper motor 1, another connects secondary rotor 11, and the X-axis traction belt 3 of ring-type is enclosed within respectively on the secondary rotor 11 of X-axis stepper motor 1 and correspondence;
A pair of Y-axis traction table 4 is connected and is enclosed within on upper and lower two pairs of X-axis towbars 2 with the two pairs of X-axis traction belts are vertical respectively, affixed a pair of Y-axis towbar 5 on the described a pair of Y-axis traction table, connect y-axis stepper motor 9 on the Y-axis traction table 4, connect secondary rotor 11 on another Y-axis traction table 4, Y-axis traction belt 8 is enclosed within on the secondary rotor 11 of y-axis stepper motor 9 and correspondence;
Described 6 whiles of LASER Light Source/led light source are affixed with Y-axis traction belt 8, and are slidingly connected with Y-axis towbar 5;
The signal output part of described step motor control case 13 connects two X-axis stepper motors 1 and a y-axis stepper motor 9 respectively; The input end of described step motor control case 13 is connected with computing machine 14 by data line;
The signal input part of described digital voltmeter 15 connects solar photovoltaic battery component 7 the two poles of the earth, and the signal output part of digital voltmeter 15 connects computing machine 14.
As shown in Figure 3: on four angles at the quadrilateral frame back side of automatic cruising pick-up unit, connect clip 16, be used to clamp solar photovoltaic cell panel.
Described single solar photovoltaic battery component 7 is packaged into by the grid serial or parallel connection through the array group merging by a plurality of solar battery sheets forms integral body.
Before the detection: four clips 16 that the quadrilateral frame back side of automatic cruising pick-up unit is connected with etc. solar photovoltaic cell panel to be detected clamp.
Detection method: under the night environment, the computer-controlled stepper motor control box, step motor control case control X, Y-axis planar stepping motor group traction LASER Light Source/led light source 6 is at X, do the motion of cruising in the Y plane, LASER Light Source/led light source 6 irradiation a slice solar battery sheets, before moving to next position, stepper motor measures output voltage by digital voltmeter, and with the contrast of the standard of the dispatching from the factory open-circuit voltage values of this measured value and monolithic solar cell sheet, output voltage is that zero this solar battery sheet that explanation is scanned has damaged, note the position of this sheet photovoltaic cell, otherwise the goodness of fit reaches and illustrates then more than 95% that this sheet photovoltaic cell does not have damage, catabiosis, other goodnesses of fit then are considered as in various degree aging.The motion of proceeding to cruise is done above-mentioned detection to other photovoltaic cells, the quantity and the position that draw in this solar photovoltaic battery component institute's photovoltaic cell sheet of damaging, wearing out at last.
The trajectory diagram of detection time source automatic cruising motion as shown in Figure 4.1. the X that at first LASER Light Source/led light source 6 initial positions is placed solar photovoltaic battery component 7 1. Y locates, and 6 work of LASER Light Source/led light source wait in the time that in stepped intervals digital voltmeter 15 output results stablize, and note the output voltage values of surveying.Then, step motor control case 13 control y-axis stepper motors 9 drive LASER Light Source/led light sources and move downwards along Y-axis, to 1. 2. position of Y of the X of solar photovoltaic battery component 7, a stepping time at interval in, wait for that digital voltmeter 15 output results are stable, note the output voltage values of surveying.Repeat said process, until X that LASER Light Source/led light source 6 is positioned at solar photovoltaic battery component 7 1. Y 6. locate to detect finish after, step motor control case 13 control X-axis stepper motors 1 drive LASER Light Source/led light source 6 and move to the X+ direction, to 2. 6. position of Y of the X of solar photovoltaic battery component 7, in a stepping time interval, wait for that digital voltmeter 15 output results are stable, note the output voltage values of surveying.Then, step motor control case 13 control y-axis stepper motors 9 drive LASER Light Source/led light source 6 and move upward along Y-axis, to 2. 5. position of Y of the X of solar photovoltaic battery component 7, in a stepper motor interval, wait for that digital voltmeter 15 output results are stable, note the output voltage values of surveying.Repeat said process, until X that LASER Light Source/led light source 6 is positioned at solar photovoltaic battery component 7 2. Y 1. locate to detect finish after.Step motor control case 13 control X-axis stepper motors 1 drive LASER Light Source/led light source 6 and move to the X+ direction, to 3. 1. position of Y of the X of photovoltaic cell component, in a stepping time interval, wait for that digital voltmeter 15 output results are stable, note the output voltage values of surveying.Then, step motor control case 13 control y-axis stepper motors 9 drive LASER Light Source/led light source 6 and move downwards along Y-axis, to 3. 2. position of Y of the X of solar photovoltaic battery component 7, in a stepping time interval, wait for that digital voltmeter 15 output results are stable, note the output voltage values of surveying.Drive LASER Light Source/led light source 6 by step motor control case 13 control X-axis stepper motors 1 and y-axis stepper motor 9 and so forth and do the motion of cruising, finish the quantity and the position that draw in this solar photovoltaic battery component institute's photovoltaic cell sheet of damaging, wearing out at last until detection according to track shown in Figure 4.