CN201286073Y

CN201286073Y - Photovoltaic electricity production apparatus

Info

Publication number: CN201286073Y
Application number: CNU200820174230XU
Authority: CN
Inventors: 刘汶峰
Original assignee: WEIHAI HHH-FEC E&M ENGINEERING Co Ltd
Current assignee: Weihai HHH Electromechanical Co., Ltd.
Priority date: 2008-10-30
Filing date: 2008-10-30
Publication date: 2009-08-05
Anticipated expiration: 2018-10-30

Abstract

The utility model relates to energy conversion field, concretely relates to a photovoltaic electricity generating device, which is characterized in that a base is movably connected with a support, the support is provided with a longitude rotating shaft and a latitude rotating shaft, a solar energy electricity windsurf board is provided with a sunlight position sensor composed of a sun-shading column and light-sensitive cells, the light-sensitive cells are arranged on the side surface of the sun-shading column with equidistance, the light-sensitive cell is connected with the data input end of a main controller by data wires, the output end of the main controller is connected with a longitude electric motor and a latitude electric motor by data wires, the output shafts of the longitude electric motor and the latitude electric motor are connected with the latitude rotating shaft and the latitude rotating shaft. The utility model can automatically track the position of the sun normal line at any behavior by using a two-dimension tracking mode, thereby leading the solar energy cell array to reach maximum illuminating area, and having the advantages of simple structure, low cost, high generating efficiency and the like.

Description

A kind of photovoltaic power generation apparatus

Technical field

The utility model relates to field of energy conversion, is specifically related to a kind of conversion efficiency height, photovoltaic power generation apparatus that cost of electricity-generating is low.

Background technology

The energy is that the mankind face the most basic sixty-four dollar question that economic development and environment maintenance balance need solve.Solar energy is a kind of very abundant clean energy resource, and what the while was the most general usually and most convenient uses is electric energy.Thereby solar energy power generating is to have the solar energy of application prospect to utilize mode most.

Photovoltaic generation is exactly to utilize the photovoltaic effect of interface and a kind of technology of luminous energy directly being changed into electric energy.The key element of this technology is a solar cell.Solar cell can form large-area solar module through carrying out packaging protection after connecting, and cooperates parts such as going up power controller just to form photovoltaic power generation apparatus again.The advantage of photovoltaic generation is that limit the less region that is subjected to, because the sun is shining all over the earth; That photovoltaic system also has is safe and reliable, noiseless, pollution-free, need not consume fuel and erect power transmission lines power supply and the short advantage of construction period of can generating electricity on the spot." weakness " that solar energy power generating at present also exists some to remain to be captured.Its major defect has the following aspects.1. optoelectronic transformation efficiency is very low.2. photovoltaic generation needs very big area.3. required illumination requires complicated, and selectively the solar radiation situation is suitable, require to have higher light index, otherwise the efficient of sunlight negative effect conversion will reduce significantly, can't satisfy system's requirement of power supply continuously, and 4. the photovoltaic generation cost is too high.Be subjected to the restriction of cost of material and purifying technique, cost of electricity-generating is stood high above the masses all the time, allows a lot of enterprises and businessman be deeply aware of one's own helplessness when faced with a great task.The main material of crystal silicon solar batteries is a silicon chip, such as being laid on large-area solar energy battery curtain wall.Yet at present, solar panel is the silicon of usefulness mainly, and its purity is up to 99.9999%.Silicon technology is mainly by several company monopolizings such as Germany, Japan, the U.S., and the silicon of used for solar batteries all is import, it very worthy, and cost is too high.

Existing solar energy photovoltaic generator is made up of solar cell array, batteries, charging-discharging controller, inverter, AC power distribution cabinet/AC distribution panel etc., solar cell array is made up of a plurality of solar-electricity windsurfing assemblies, solar-electricity windsurfing assembly is made up of base, support and solar-electricity windsurfing, base, support are with the solar-electricity windsurfing fixedlys connected, and the heat efficiency of solar-electricity windsurfing is low, cost of electricity-generating is high.

Summary of the invention:

Shortcomings such as existing solar energy power generating conversion ratio is low in order to overcome, cost height the utility model proposes a kind of automatic tracking photovoltaic power generation apparatus.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of photovoltaic power generation apparatus, comprise solar cell array, batteries, charging-discharging controller, inverter, AC power distribution cabinet/AC distribution panel is formed, solar cell array is made up of a plurality of solar-electricity windsurfing assemblies, solar-electricity windsurfing assembly is by base, support and solar-electricity windsurfing are formed, it is characterized in that base and support flexibly connect, support is provided with longitude rotation axis and latitude rotation axis, the solar-electricity windsurfing is provided with the sunlight position transducer, the sunlight position transducer is made up of sunshade post and photocell, the equidistant side that is installed in the sunshade post of photocell, photocell is connected with the main controller data input pin through data wire, the output of main controller is through data wire and longitude motor, the latitude motor is connected, the longitude motor, the output shaft of latitude motor and longitude rotation axis, the latitude rotation axis is connected.

The utility model middle-jiao yang, function of the spleen and stomach optical position sensor generally is provided with 4 photocells, respectively by the direction that is parallel to warp, parallel and with the equidistant four sides that is evenly distributed on the sunshade post.

The utility model can be provided with sunlight position transducer attic base, and photocell and sunshade post are installed in respectively on the sunlight position transducer attic base, makes, installs and maintenance with convenient.

The utility model base can be connected through hinge with support, is used for finishing two dimension from motion tracking.

The utility model base can be connected through bulb with support, is used for finishing two dimension from motion tracking.

The utility model base can be connected with support through pole.

Sunlight position transducer of the present utility model can be located at the central authorities of solar-electricity windsurfing, reaches the efficient purpose of accurately measuring.

The utility model can be provided with manual operating key; manually the manual operating key of supervisory keyboard is made up of keyboard matrix; link to each other with main controller by holding wire; in system's running owing to reason such as maintenance detection etc.; need to add manually control; finish beginning, shutdown, manually thing change, manually north and south change, manual functions such as collection, the realization of these functions, make control simpler, conveniently.

The utility model is provided with wind-proof device, wind-proof device is made up of wind sensor and controller, wind sensor links to each other with controller by signal transmssion line, when controller detects wind-force intensity and reaches safety margins, the output control command is set level solar energy sailboard, avoids high wind to cause device damage, when wind is reduced to a certain degree by force, the automatic tracing mode of system restoration.

The main controller that the utility model adopts is 32 bit DSP processors, the speed of service is up to 150MHz, embedded 12 A/D, D/A module, make things convenient for analog input output control, wherein the analog quantity input range can define input range, but its analog input voltage scope software is selected the A/D collection of changeable fluid, design greatly easily and use, particularly the photocell than low output voltage is detected, still have very high accuracy of detection, reduce the complexity and the cost of controlling Design significantly.

Motor adopts buncher in the utility model, has improved tracking accuracy greatly, and will have been dropped to minimum by the impact that velocity variations is brought.

The utlity model has the beneficial effects such as cost that can effectively improve electricity conversion, reduce photovoltaic generation.

Description of drawings:

Fig. 1 is a structured flowchart of the present utility model.

Fig. 2 is a structural representation of the present utility model.

Reference numeral: longitude control motor 1, latitude control motor motor 2, main controller 3, sunlight position transducer 4, solar-electricity windsurfing 5, sunlight position transducer attic base 6, sunshade post 7, photocell 8, manual supervisory keyboard 9, wind sensor 10, batteries 11, charging-discharging controller 12, inverter 13, AC power distribution cabinet/AC distribution panel 14, base 15, support 16, longitude rotation axis 17, latitude rotation axis 18, solar cell array 19, pole 20.

Embodiment: the utility model is further specified below in conjunction with accompanying drawing:

A kind of photovoltaic power generation apparatus; comprise solar cell array 19; batteries 11; charging-discharging controller 12; inverter 13; AC power distribution cabinet/AC distribution panel 14 is formed; wherein batteries 11; charging-discharging controller 12; inverter 13; AC power distribution cabinet/AC distribution panel 14 is same as the prior art; this does not give unnecessary details; solar cell array is made up of a plurality of solar-electricity windsurfing assemblies; solar-electricity windsurfing assembly is by base 15; support 16 and solar-electricity windsurfing 5 are formed; it is characterized in that base 15 and support 16 flexibly connect; support 16 is provided with longitude rotation axis 17 and latitude rotation axis 18; solar-electricity windsurfing 5 is provided with sunlight position transducer 4; sunlight position transducer 4 is made up of sunshade post 7 and photocell 8; the photocell 8 equidistant sides that are installed in sunshade post 7; photocell 8 is connected with main controller 3 data input pins through data wire; the output of main controller 3 is through data wire and longitude motor 1; latitude motor 2 is connected; longitude motor 1; the output shaft of latitude motor 2 and longitude rotation axis 17; latitude rotation axis 18 is connected; the utility model middle-jiao yang, function of the spleen and stomach optical position sensor 4 generally is provided with four photocells 8; respectively by being parallel to warp; the direction of parallel and with the equidistant four sides that is evenly distributed on sunshade post 7; the utility model can be provided with sunlight position transducer attic base 6; photocell 8 and sunshade post 7 are installed in respectively on the sunlight position transducer attic base 6; make with convenient; install and maintenance; the utility model base 15 can be connected through hinge with support 16; also can be connected through bulb; be used for finishing two dimension from motion tracking; the utility model base 15 can be connected with support 16 through pole 20; sunlight position transducer 4 of the present utility model can be located at the central authorities of solar-electricity windsurfing 5; reach the efficient purpose of accurately measuring; the utility model can be provided with manual supervisory keyboard 9; manually supervisory keyboard 9 is made up of keyboard matrix; link to each other with main controller 3 by holding wire; in system's running owing to reason such as maintenance detection etc.; need to add manually control; finish beginning; shut down; manually thing changes; manually change in north and south; functions such as manual collection; the realization of these functions; make control simpler; convenient; the utility model is provided with wind-proof device; wind-proof device is made up of wind sensor 10 and controller 3; wind sensor 10 links to each other with controller 3 by signal transmssion line; when controller detects wind-force intensity and reaches safety margins; the output control command; solar energy sailboard 5 is set level; avoid high wind to cause device damage; when wind is reduced to a certain degree by force; the automatic tracing mode of system restoration; the main controller that the utility model adopts is 32 bit DSP processors; the speed of service is up to 150MHz; embedded 12 A/D; the D/A module; make things convenient for analog input output control; wherein the analog quantity input range can define input range; but its analog input voltage scope software is selected; the A/D of changeable fluid gathers; design greatly easily and use; reduce the complexity and the cost of controlling Design significantly; motor adopts buncher in the utility model; improved tracking accuracy greatly; and will drop to minimumly by the impact that velocity variations is brought, the utlity model has and can effectively improve electricity conversion; reduce the beneficial effects such as cost of photovoltaic generation.

During use, at first by the operation of starting shooting, start the sunlight position transducer 4 on the solar-electricity windsurfing 5, photocell 8 in the sunlight position transducer 4 carries out the induction of external sunlight and surveys, when the photocell 8 of sunlight direct projection in the sunlight position transducer 4, the signal that 3 pairs of sunlight position transducers 4 of main controller are obtained is analyzed, drawing four corners of the world sensor current equates, this moment, tracking error was a nought state, when solar-electricity windsurfing 5 is not orthogonal to sunlight, the shade that sunshade post 7 in the sunlight position transducer 4 is cast will cover or part covers wherein one or two photocells 8, because the output current of photocell 8 is directly proportional with irradiated area, will cause photocell 8 East and West directions or north-south output current imbalance like this, by the check and analysis of 3 pairs of signals of telecommunication of main controller, determine direction of error, and then adjust the tracking velocity of 5 pairs of sunlight of solar-electricity windsurfing, until the error minimum, finally reach the purpose of automatic tracking Control.Solar-electricity windsurfing 5 is converted into electric energy with the heat energy of solar radiation, and be sent to batteries 11, batteries 11 is got up electrical power storage, pass through the processing of inverter 13 then, the direct current that solar radiation transformed is converted to alternating current, and alternating current is transported to AC power distribution cabinet/AC distribution panel 14, electric energy is further utilized.

The utility model can realize effectively to sunlight from motion tracking, thereby realize high electricity conversion, have and can significantly improve optoelectronic transformation efficiency, reduce advantage such as photovoltaic generation cost.

Claims

1, a kind of photovoltaic power generation apparatus, comprise solar cell array, batteries, charging-discharging controller, inverter, AC power distribution cabinet/AC distribution panel is formed, solar cell array is made up of a plurality of solar-electricity windsurfing assemblies, solar-electricity windsurfing assembly is by base, support and solar-electricity windsurfing are formed, it is characterized in that base and support flexibly connect, support is provided with longitude rotation axis and latitude rotation axis, the solar-electricity windsurfing is provided with the sunlight position transducer, the sunlight position transducer is made up of sunshade post and photocell, the equidistant side that is installed in the sunshade post of photocell, photocell is connected with the main controller data input pin through data wire, the output of main controller is through data wire and longitude motor, the latitude motor is connected, the longitude motor, the output shaft of latitude motor and longitude rotation axis, the latitude rotation axis is connected.

2, a kind of photovoltaic power generation apparatus according to claim 1 is characterized in that the sunlight position transducer is provided with 4 photocells, respectively by the direction that is parallel to warp, parallel and equidistantly distribute four sides at the sunshade post.

3, a kind of photovoltaic power generation apparatus according to claim 2 is characterized in that being provided with sunlight position transducer attic base, and photocell and sunshade post are installed in respectively on the sunlight position transducer attic base.

4, a kind of photovoltaic power generation apparatus according to claim 1 is characterized in that being provided with manual operating key, and manually the manual operating key of supervisory keyboard is made up of keyboard matrix, links to each other with main controller by holding wire.

5, a kind of photovoltaic power generation apparatus according to claim 1 is characterized in that being provided with wind-proof device, and wind-proof device is made up of wind sensor and controller, and wind sensor links to each other with controller by signal transmssion line.