CN201286025Y - Solar energy application circuit - Google Patents
Solar energy application circuit Download PDFInfo
- Publication number
- CN201286025Y CN201286025Y CNU2008202021036U CN200820202103U CN201286025Y CN 201286025 Y CN201286025 Y CN 201286025Y CN U2008202021036 U CNU2008202021036 U CN U2008202021036U CN 200820202103 U CN200820202103 U CN 200820202103U CN 201286025 Y CN201286025 Y CN 201286025Y
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- circuit
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- solar energy
- energy
- control circuit
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Abstract
The utility model relates to a solar energy application circuit, which is connected between a solar energy plate and a power utilization device. The solar energy application circuit particularly comprises a singlechip circuit and a electric motor control circuit, a voltage measuring circuit, a electric energy output control circuit and a electric power circuit which are connected with the singlechip circuit. Wherein the electric motor control circuit is controlled by the singlechip and is used for driving the electric motor to rotate, thereby adjusting the position change of the solar energy plate so as to adapt the position change of the sun to attain the optimum capturing position of light energy. One end of the voltage measuring circuit is connected with the reception voltage end, the other end is connected with the singlechip, the electric energy output control circuit is controlled by the singlechip, and the input end is connected with the solar energy plate voltage output end, which is used for outputting electric energy converted from the light energy to a power utilization device. The solar energy application circuit of the utility model can selectively connect with various power utilization devices, which can automatically follow the position of the sun, and search for optimum capturing position of the light energy, thereby realizing efficient utilization of solar energy, improving use ratio of energy, and protecting the power utilization device simultaneously.
Description
Technical field
The utility model relates to the Application of Solar Energy technology, specifically is meant a kind of control circuit that has stable voltage detecting circuit, can efficiently utilize solar energy.
Background technology
Along with development in science and technology and the people requirement to the using energy source sustainable development, solar energy has obtained utilizing widely in people's life, as solar water heater, solar charger and solar street light or the like.At these is in the equipment of energy source with the sun, and normally relying on energy conversion device (being generally solar panels) is that electric energy is the energy-storage battery charging or directly exports to electrical appliance with the transform light energy that collects.Because position of sun and intensity changed with season and early, middle and late time of every day, general solar panels all can not absorb sunray to greatest extent; And the electric energy voltage after transforming is also unstable, if the electrical appliance rated voltage is low, when sunlight was very strong, the voltage height after the conversion may cause electrical appliance to damage; Opposite electrical appliance rated voltage height, in the time of a little less than the morning and evening sunlight strength, it is low to transform back voltage, and electrical equipment can not normally use.
In addition, existing solar street light normally adopts photo resistance to detect light intensity, when detecting morning or at dusk the colour of sky is relatively darker or when not having light evening, the control street lamp is lighted.This street lamp is when photo resistance is aging, and is very big to the detection error of light, very unstable to the control of street lamp.
The utility model content
The purpose of this utility model provides a kind ofly can regulate the solar panels angle automatically with position of sun and Strength Changes, looks for the best catching position of sunlight, realizes that the effective utilization of the energy protects the Application of Solar Energy circuit of power device simultaneously.
Another purpose of the present utility model is above-mentioned Application of Solar Energy circuit is combined with street lamp, and a kind of solar streetlight control circuit is provided, and easily wears out, controls problems such as instability with photo resistance in the solar street light that solves dependence photo resistance control.
For realizing above purpose, address the above problem, the utility model takes basic technical scheme to be:
A kind of Application of Solar Energy circuit is provided, and this circuit is connected between solar panels and the power device, and it specifically comprises single chip circuit and the circuit for controlling motor, voltage detecting circuit, electric energy output control circuit and the power circuit that connect with it.
Described circuit for controlling motor is subjected to Single-chip Controlling, be used for drive motors and rotate, and then the change in location of adjusting solar panels is looked for the best catching position of luminous energy with the variation that adapts to position of sun; The two-way circuit for controlling motor is set in this programme, is respectively applied for of the rotation of control solar panels along transverse axis or y direction.Described voltage detecting circuit, an end connects voltage end to be measured, and an end connects single-chip microcomputer, is used to detect the electric energy voltage swing that solar panels are transformed, and then measures the best angle that solar panels are caught solar energy.Described electric energy output control circuit is subjected to Single-chip Controlling, and input connects the solar panels voltage output end, is used for the electric energy that luminous energy is transformed is exported to power device.Described power circuit is used for providing stable working power to single-chip microcomputer and other circuit.
A kind of concrete scheme is: the voltage sample resistance that described voltage detecting circuit adopts the A/D conversion chip and connects with it, the A/D conversion chip becomes digital signal to send single-chip microcomputer to the sampling resistor voltage transitions of returning of sampling, and calculates concrete voltage swing by single-chip microcomputer.
A kind of scheme more specifically is: described Application of Solar Energy circuit electric energy output control circuit one output connects with rechargeable battery, and described electric energy output control circuit is battery charge control circuit and battery discharge control circuit.
Since each in season sun direct projection position the longitude and latitude difference, the position of the sun is also fixing among one day, so solar panels need tracking position of sun with better seizure luminous energy.Its process is: solar panels are rotated around the transverse axis and the longitudinal axis by drive motors control, when revolution moves certain angle, voltage detecting circuit all detects and obtains a magnitude of voltage and export to single-chip microcomputer, single-chip microcomputer relatively draws immediate one each value to detected each voltage and preset value (can be the rated voltage of power device) and powers for power device, and solar panels position at this moment also is the optimum position.Also can draw maximum voltage by more detected magnitude of voltage, the solar panels angle of finding out this voltage correspondence is as the optimum position, and this voltage is used.This application circuit program control is every the optimum position of a sun of set time search, and the time interval can be set according to concrete applicable cases.
Described Application of Solar Energy circuit is controlled solar panels flexibly by the two-way motor circuit; and provide accurate foundation for Single-chip Controlling by special voltage detecting circuit; look for the best catching position of luminous energy; realize that solar energy effectively utilizes, improves capacity usage ratio, protect power device simultaneously.
Description of drawings
Fig. 1 forms schematic block diagram for the utility model embodiment; Fig. 2 is the utility model embodiment circuit theory diagrams.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the utility model is described in further detail below in conjunction with embodiment and accompanying drawing.
As Fig. 1,2, the utility model comprises single chip circuit and the circuit for controlling motor, voltage detecting circuit, battery charge control circuit, battery discharge control circuit and the power circuit that connect with it.
As Fig. 2 is the utility model embodiment circuit theory diagrams.
J1 is access place of solar panels output voltage among the embodiment, and the J2 place connects rechargeable battery, and the J6 place connects second power device.
Single chip circuit is made up of single-chip microcomputer U4 and the reset circuit, oscillating circuit, data storage circuitry, the key circuit that connect with U4 among the embodiment.Described button is respectively applied for the rotation of manual control motor all directions.Voltage detecting circuit adopts integrated chip U2, and the U2 input connects solar panels voltage output end OUT1 by resistance R 14, R13, and the U2 control pin is connected single-chip microcomputer with output pin.Circuit for controlling motor adopts chip for driving U1 and peripheral circuit, and the U1 input connects with the single-chip microcomputer pin, and output connects motor.
The electric energy output control circuit adopts battery charge control circuit and battery discharge control circuit among the embodiment.
With reference to Fig. 2, the utility model course of work is: single chip circuit regularly drives two motors rotation drive solar panels by pin control motor drive ic U1 and all around rotates, and detect the voltage suitable with the rechargeable battery rated voltage by voltage detecting circuit, determine the best daylighting position of solar panels, avoid overtension to damage battery or power device.
Catch sunlight and convert thereof into voltage output at these the best daylighting position solar panels, single-chip microcomputer P34 pin output this moment high level, triode Q1, field effect transistor Q4 conducting in succession, the voltage of conversion output is exported to battery charge by diode D12, field effect transistor Q4, resistance R 19.Whether the solar energy output voltage can be selected simultaneously by Single-chip Controlling is the power supply of second power device by J6.
When not having sunlight, it is that second power device is powered that the battery that the J2 place connects is subjected to charge/discharge control circuit control discharge.Described battery discharge control circuit adopts integrated transporting discharging chip U8, first group of transport and placing device input of described U8 connects anode and by resistance and sets reference voltage, the conducting of this transport and placing device output end signal control triode Q5, by so control field effect transistor Q2; Second group of transport and placing device input of U8 relatively anode and set reference voltage; anode voltage is lower than when setting reference voltage; transport and placing device output output low level signal ends field effect transistor Q3, cuts off the discharge loop of battery to power device, the protection battery.
The working power of each chip circuit is from being connected in the rechargeable battery power taking of J2 among the embodiment, and this cell voltage converts the VCC power supply that is fit to each chip circuit work to by voltage stabilizing IC U5 and peripheral circuit.U3 is used to store the various supplemental characteristics of single-chip microcomputer.
The foregoing description circuit application is controlled in street lamp, and promptly second power device is one or one group of street lamp, forms streetlight control circuit.Because have voltage detecting circuit in this control circuit, alternative photo resistance is used to detect the power of extraneous sunlight light,, open street lighting by Single-chip Controlling when a little less than the light or during dull thread.This voltage detecting circuit has better precision and stability than photo resistance.
Need to prove, more than only be the utility model preferred embodiment, do not breaking away under the utility model design prerequisite, any impartial variation of in the prior art scope the utility model circuit being done with modifying all belongs to protection range of the present utility model.
Claims (6)
1, a kind of Application of Solar Energy circuit is connected between solar panels and the power device, it is characterized in that: it comprises single chip circuit and the circuit for controlling motor, voltage detecting circuit, electric energy output control circuit and the power circuit that connect with it; Wherein,
Circuit for controlling motor is subjected to Single-chip Controlling, be used for drive motors and rotate, and then the change in location of regulating solar panels with the variation that adapts to position of sun to reach the best catching position of luminous energy;
Voltage detecting circuit, an end connects voltage end to be measured, and an end connects single-chip microcomputer, is used to detect the electric energy voltage swing that solar panels are transformed, and then measures the best angle that solar panels are caught solar energy;
The electric energy output control circuit is subjected to Single-chip Controlling, and input connects the solar panels voltage output end, is used for the electric energy that luminous energy is transformed is exported to power device;
Power circuit is used for providing stable working power to single-chip microcomputer and other circuit.
2, Application of Solar Energy circuit according to claim 1 is characterized in that: described voltage detecting circuit comprises A/D conversion chip and the voltage sample resistance that connects with it.
3, Application of Solar Energy circuit according to claim 2 is characterized in that: described circuit for controlling motor comprises being respectively applied for controls the two-way circuit for controlling motor of solar panels along transverse axis or y direction rotation.
4, Application of Solar Energy circuit according to claim 3 is characterized in that: described electric energy output control circuit comprises battery charge control circuit and battery discharge control circuit.
5, Application of Solar Energy circuit according to claim 4, it is characterized in that: described battery charge control circuit adopts field effect transistor Q4 circuit, single-chip microcomputer detects the solar panels output voltage when suitable with the rechargeable battery rated voltage, output high level signal control triode Q1 conducting, and then the Q4 conducting, the solar panels output voltage is exported to battery charge through diode D12, field effect transistor Q4, resistance R 19 successively.
6, Application of Solar Energy circuit according to claim 4, it is characterized in that: described battery discharge control circuit adopts integrated transporting discharging chip U8, first group of transport and placing device input of described U8 connects anode and by resistance respectively and sets reference voltage, the conducting of this transport and placing device output end signal control triode Q5, by so control field effect transistor Q2; Second group of transport and placing device input of U8 be anode and another setting reference voltage relatively, and anode voltage is lower than when setting reference voltage, and this transport and placing device output output low level signal ends field effect transistor Q3, cuts off the discharge loop of battery to power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202021036U CN201286025Y (en) | 2008-10-16 | 2008-10-16 | Solar energy application circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202021036U CN201286025Y (en) | 2008-10-16 | 2008-10-16 | Solar energy application circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201286025Y true CN201286025Y (en) | 2009-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202021036U Expired - Fee Related CN201286025Y (en) | 2008-10-16 | 2008-10-16 | Solar energy application circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201286025Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226363A (en) * | 2013-04-22 | 2013-07-31 | 山西农业大学 | Sensorless single-shaft sun tracking system |
-
2008
- 2008-10-16 CN CNU2008202021036U patent/CN201286025Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226363A (en) * | 2013-04-22 | 2013-07-31 | 山西农业大学 | Sensorless single-shaft sun tracking system |
| CN103226363B (en) * | 2013-04-22 | 2016-06-01 | 山西农业大学 | Without sensor single shaft system day by day |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20101016 |