CN207123761U - A kind of photovoltaic generation follow-up control apparatus based on STC89C51 - Google Patents
A kind of photovoltaic generation follow-up control apparatus based on STC89C51 Download PDFInfo
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- CN207123761U CN207123761U CN201720506694.5U CN201720506694U CN207123761U CN 207123761 U CN207123761 U CN 207123761U CN 201720506694 U CN201720506694 U CN 201720506694U CN 207123761 U CN207123761 U CN 207123761U
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- stepper motor
- stc89c51
- solar panel
- controller
- light sensor
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Abstract
The utility model discloses a kind of photovoltaic generation follow-up control apparatus based on STC89C51, including controller, light sensor, display screen, stepper motor one and stepper motor two are connected with controller and solar panel is connected to by analog-digital converter, controller is also provided with the peripheral support circuit of power supply by relay connection；The utility model detects direct sunlight direction by light sensor, and drive solar panel rotate stepper motor one and stepper motor two is rotated and pitching, realize the adjustment of best angle, control is more accurate, solar energy utilization ratio is higher, and when solar panel deficiency provides load supplying electricity, controller control relay is switched to the power supply that peripheral support circuit is loaded, ensure that power supply is continuous reliable, the utility model also has the characteristics of simple in construction, cost is low and easy to control.
Description
Technical field
The utility model belongs to field of intelligent control technology, more particularly to a kind of photovoltaic generation tracking based on STC89C51
Control device.
Background technology
Solar power generation refers to a kind of energy reformulationses that electric energy is converted into using the energy of solar radiation.Solar energy
Generating has two kinds of forms.One kind is hot generating, and one kind is that light generates electricity.It is to utilize photovoltaic effect that solar energy, which generates electricity, will too
Sun can be converted into a kind of generation mode of electric energy, and photovoltaic generation is quickly grown in terms of solar power generation, and technology is also gradual
Maturation, the leading position solar energy gradually occupied in the evolution of solar power generation is as a kind of inexhaustible
Clean energy resource, its advantage gradually displays.Reduced day by day in traditional fuel energy, biography is can overcome the disadvantages that using the sun
The deficiency of system fuel energy, changes the energy resource structure of the mankind, maintains long-range sustainable development, how efficiently to utilize the sun
Can, it is that the utilization ratio of solar energy reaches maximum, turns into the important directions of solar energy power generating research.
The content of the invention
The technical problems to be solved in the utility model is：A kind of photovoltaic generation tracing control dress based on STC89C51 is provided
Put, control is more accurate, and utilization rate is higher, to solve above-mentioned problems of the prior art.
The technical scheme that the utility model is taken is：A kind of photovoltaic generation follow-up control apparatus based on STC89C51, bag
Controller is included, light sensor, display screen, stepper motor one and stepper motor two are connected with controller and is turned by modulus
Parallel operation is connected to solar panel, and light sensor is used for the power for detecting sunshine, stepper motor one and stepper motor two
For controlling the solar panel anglec of rotation and luffing angle, the voltage that analog-digital converter is used to monitor solar panel is big
Small, controller is also provided with the peripheral support circuit of power supply by relay connection.
Preferably, controller noted above uses STC89C51 chips.
Preferably, above-mentioned light sensor uses photo resistance, and light sensor uses two, respectively positioned at solar-electricity
Pond plate top and bottom.
Preferably, above-mentioned light sensor is installed on solar panel by support, and support is the Z-shaped knot of bending
Structure, its one end are provided with U-shaped breach and are connected on solar panel, and the other end is provided with the through hole of installation light sensor.
The beneficial effects of the utility model：Compared with prior art, the utility model detects the sun by light sensor
Direct projection direction, and drive solar panel rotate stepper motor one and stepper motor two is rotated and pitching, realize most
The adjustment of good angle, control is more accurate, and solar energy utilization ratio is higher, and when solar panel deficiency provides load supplying electricity
When, controller control relay is switched to the power supply that peripheral support circuit is loaded, and ensures that power supply is continuous reliable, this practicality is new
Type also has the characteristics of simple in construction, cost is low and easy to control.
Brief description of the drawings
Fig. 1 is catenation principle schematic diagram of the present utility model；
Fig. 2 is AD0804 electrical block diagrams of the present utility model；
Fig. 3 is stepper motor electrical block diagram of the present utility model；
Fig. 4 is control flow principle schematic of the present utility model；
Fig. 5 is light sensor mounting support structure schematic diagram；
Fig. 6 is Fig. 5 overlooking the structure diagram.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described further specific embodiment.
Embodiment：As shown in figs 1 to 6, a kind of photovoltaic generation follow-up control apparatus based on STC89C51, including control
Device, light sensor, display screen, stepper motor one and stepper motor two are connected with controller and is connected by analog-digital converter
Solar panel is connected to, light sensor is used for the power for detecting sunshine, and stepper motor one and stepper motor two are used to control
The solar panel anglec of rotation processed and luffing angle, analog-digital converter are used for the voltage swing for monitoring solar panel, control
Device processed is also provided with the peripheral support circuit of power supply by relay connection.
Preferably, controller noted above uses STC89C51 chips, using parallel connection two pieces of STC89C51 single-chip microcomputers, one piece with
To control the operation of two stepper motors, another piece is used for gathering output voltage and passing through light in 1602 liquid crystal screen display
Detection part is passed to level signal to single-chip microcomputer, and level signal then reflects left and right cell panel and upper and lower battery plate by intensity of illumination
Power, by condition judgment in single-chip microcomputer, export corresponding control signal to stepper motor driver chip ULN2003, control
The rotating forward of stepper motor processed, invert, stop；The voltage of solar panel group output obtains phase by AD0804 analog-to-digital conversion modules
The data signal answered is inputted to single-chip microcomputer, by the way that to Digital Signal Processing, the data real-time display after conversion is in 1602 liquid crystals
Display screen；When extraneous intensity of illumination is too low, the magnitude of voltage of cell panel input continuously less than 2V for a period of time, believe by single-chip microcomputer output level
The action of number control relay, startup peripheral support circuit is load supplying.
Analog-digital converter using AD0804 as modulus conversion chip, resolution ratio 1/256, minimum output voltage 5V/256=
0.01593V.What it is as present apparatus measurement is continually changing cell plate voltage value, and precision is without too high, by testing solar energy
The output voltage range of cell panel is substantially between 0.5-5.5V.And AD0804 input voltage is 0-5V, by solar-electricity
The both positive and negative polarity output of pond plate is connected to AD0804 analog inputs end, AD0804 CS, RD, WR end digital output end DB0-DB7
End is respectively connected to the I/O mouths of single-chip microcomputer.1602 LCDs are that 2 × 16 display screen can show 32 characters, realize display
The function of real-time voltage value.It is illustrated in figure 2 AD0804 wiring diagrams.
The above-mentioned peripheral support circuit by Control input is 5V DC power supply circuit.Work as solar cell
When the output voltage of plate is consistently less than 4V, more than a period of time, single-chip microcomputer by the corresponding relay of I/O mouth output controls, after
Electrical equipment must electrically connect the 5V mu balanced circuits of outside, continue to power to the load, will not be worked with proof load in the state of under-voltage.
The driving chip that above-mentioned stepper motor uses is ULN2003 chip, and stepper motor is using five line quadriphase system steppings electricity
Machine, it is respectively to rotate forward that the method for operation of single-chip microcomputer control stepper motor, which has three kinds, reversion and stopping.By being programmed in single-chip microcomputer
The phase sequence for controlling stepper motor winding to be powered, control the method for operation of stepper motor.If Fig. 3 is stepper motor wiring diagram.
Preferably, above-mentioned solar panel is that the part of core, solar power generation are imitated the most in solar power system
The height of rate is heavily dependent on the transformation efficiency of photovoltaic battery panel.The species of common solar photovoltaic cell panel has list
Crystal silicon, polysilicon, non-crystal silicon solar cell.Monocrystalline silicon, polycrystal silicon cell dosage are maximum at present.The present apparatus uses monocrystalline silicon light
Cell panel is lied prostrate, the output voltage that each piece of single crystal silicon battery plate is exported by test is 0.5-5.5V.
Preferably, above-mentioned light sensor uses photo resistance, and light sensor uses two, respectively positioned at solar-electricity
Pond plate top and bottom, using photo resistance as light detecting element, the resistance of photo resistance is with the enhancing of intensity of illumination
The characteristic that resistance die-offs, optoelectronic switch can be used as, the present apparatus by two photo resistance by being placed in left and right (and upper and lower) sun
Energy cell panel upper spacer both sides, as the detection part of ambient, when ambient is not vertical irradiation solar panel
When, the photo resistance of dividing plate side reaches mega-ohms because no light irradiation resistance rises sharply, and opposite side is due to there is light irradiation
Resistance, with respect to several kilo-ohms of opposite side very little, two different voltage signals can be obtained；, whereas if light vertical irradiation is too
Positive energy cell panel, the photo resistance of dividing plate both sides are also just identical by equal intensity of illumination, the resistance value of photo resistance.Obtain
Two identical electric signals, by certain change-over circuit, be converted to low and high level signal and be passed to single-chip microcomputer.
Preferably, above-mentioned light sensor is installed on solar panel by support 1, and support 1 is the Z-shaped of bending
Structure, its one end are provided with U-shaped breach 3 and are connected on solar panel upper spacer, U-shaped breach, convenient regulation sensor
Position, the other end are provided with the through hole 2 of installation light sensor.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model, therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (4)
- A kind of 1. photovoltaic generation follow-up control apparatus based on STC89C51, it is characterised in that：Including controller, connect on controller It is connected to light sensor, display screen, stepper motor one and stepper motor two and solar-electricity is connected to by analog-digital converter Pond plate, light sensor are used for the power for detecting sunshine, and stepper motor one and stepper motor two are used to control solar cell The plate anglec of rotation and luffing angle, analog-digital converter are used to monitoring the voltage swing of solar panel, controller also by after Electrical equipment connects the peripheral support circuit for being provided with power supply.
- A kind of 2. photovoltaic generation follow-up control apparatus based on STC89C51 according to claim 1, it is characterised in that：Control Device processed uses STC89C51 chips.
- A kind of 3. photovoltaic generation follow-up control apparatus based on STC89C51 according to claim 1, it is characterised in that：Light Line sensor uses photo resistance, and light sensor uses two, respectively positioned at solar panel top and bottom.
- A kind of 4. photovoltaic generation follow-up control apparatus based on STC89C51 according to claim 1, it is characterised in that：Light Line sensor is installed on solar panel by support, and support is the Z-shaped structure of bending, and its one end is provided with U-shaped lack Mouth is connected on solar panel, and the other end is provided with the through hole of installation light sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506694.5U CN207123761U (en) | 2017-05-09 | 2017-05-09 | A kind of photovoltaic generation follow-up control apparatus based on STC89C51 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506694.5U CN207123761U (en) | 2017-05-09 | 2017-05-09 | A kind of photovoltaic generation follow-up control apparatus based on STC89C51 |
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| Publication Number | Publication Date |
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| CN207123761U true CN207123761U (en) | 2018-03-20 |
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| CN201720506694.5U Active CN207123761U (en) | 2017-05-09 | 2017-05-09 | A kind of photovoltaic generation follow-up control apparatus based on STC89C51 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736811A (en) * | 2018-06-20 | 2018-11-02 | 郑州琼佩电子技术有限公司 | A kind of solar power supply apparatus of operating punch machine robot |
| CN108809231A (en) * | 2018-06-20 | 2018-11-13 | 郑州琼佩电子技术有限公司 | A kind of machining robot powered using clean energy resource |
| CN112467855A (en) * | 2020-10-26 | 2021-03-09 | 成都华体慧城科技有限公司 | Wisdom street lamp system |
-
2017
- 2017-05-09 CN CN201720506694.5U patent/CN207123761U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736811A (en) * | 2018-06-20 | 2018-11-02 | 郑州琼佩电子技术有限公司 | A kind of solar power supply apparatus of operating punch machine robot |
| CN108809231A (en) * | 2018-06-20 | 2018-11-13 | 郑州琼佩电子技术有限公司 | A kind of machining robot powered using clean energy resource |
| CN112467855A (en) * | 2020-10-26 | 2021-03-09 | 成都华体慧城科技有限公司 | Wisdom street lamp system |
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