CN202257282U - Controller of a solar tracking device - Google Patents
Controller of a solar tracking device Download PDFInfo
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- CN202257282U CN202257282U CN2011202489940U CN201120248994U CN202257282U CN 202257282 U CN202257282 U CN 202257282U CN 2011202489940 U CN2011202489940 U CN 2011202489940U CN 201120248994 U CN201120248994 U CN 201120248994U CN 202257282 U CN202257282 U CN 202257282U
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Abstract
The utility model relates to a controller of a solar tracking device, which comprises a sensor signal modulating module, a human-machine interaction module, a motor driving module, a time counting/timing module and a single chip minimal system module, wherein the sensor signal modulating module comprises a photoelectric sensor and a temperature sensor; the human-machine interaction module comprises a liquid crystal display (LCD) display module and a keystroke module; the motor driving module comprises a driving chip and two circuits of stepper motors, and the driving chip is connected with the stepper motors; the time counting/timing module comprises a timing chip and a time counting chip, and the time counting chip is connected with a standby automatic charging battery; and the single chip minimal system module is respectively connected with the photoelectric sensor, the temperature sensor, the LCD display module, the keystroke module, the driving chip, the stepper motors, the timing chip, the time counting chip and a power supply module. The controller of the solar tracking device has beneficial effects that: the reliability of the solar tracking device, the sensor precision and the timing precision can be improved, the power consumption of the device can be reduced, and unit solar utilization efficiency can be increased.
Description
Technical field
The utility model relates to a kind of controller of solar energy tracking device.
Background technology
Existing solar energy tracking device adopts photoelectricity or optical principle to differentiate position of sun more, and minority adopts regularly tracking mode.For photoelectric tracking,, therefore be difficult to guarantee sensor accuracy because the interference of environment light source, temperature etc. is stronger; And for regularly following the tracks of, with regard to the frequency (promptly how long carrying out a position of sun detects and control) of solar energy tracking and timing mode is less mentions, and for the difficult reduction of energy consumption of controller and topworks.
The utility model content
The purpose of the utility model provides a kind of controller of solar energy tracking device, overcomes the deficiency of above-mentioned aspect in the existing product.
The purpose of the utility model is to realize through following technical scheme:
A kind of controller of solar energy tracking device; Comprise sensor signal conditioning module, human-computer interaction module, motor drive module, timing/time block and single-chip minimum system module, said sensor signal conditioning module comprises photoelectric sensor and temperature sensor; Human-computer interaction module comprises LCD display module and key-press module; Motor drive module comprises chip for driving and two-way stepper motor, and chip for driving is connected with stepper motor; Timing/time block comprises timing chip, timing chip and subsequent use automatic rechargeable battery, and the timing chip is connected with subsequent use automatic rechargeable battery; The single-chip minimum system module is connected with photoelectric sensor, temperature sensor, LCD display module, key-press module, chip for driving, stepper motor, timing chip and timing chip respectively, and the single-chip minimum system module also is connected with power module.
Said single-chip minimum system module comprises that single-chip microcomputer and the outer clock circuit that is connected with single-chip microcomputer, reset circuit and USBASP download the ISP port of line; Wherein external clock adopts the passive quartz crystal oscillator of 8M, and passive quartz crystal oscillator two ends are respectively through 20pF pottery ground connection; The reseting port of reset circuit is connected to 10k Ω pull-up resistor, and reset circuit is through reset key ground connection, and reset key is parallelly connected with 104 ceramic condensers.
Said photoelectric sensor comprises 9 small-sized silicon photocells; Small-sized silicon photocell is connected with the differential amplifier circuit of the subtraction of mainly being made up of LM741 realized; Differential amplifier circuit is connected with the single order active filter circuit of mainly being made up of LM358, and the single order active circuit is connected with single-chip microcomputer.
Said temperature sensor is 1-wire digital temperature sensor DS18B20, and 1-wire digital temperature sensor DS18B20 is connected with single-chip microcomputer through I/O mouth line.
Said LCD display module is character type 1602 single color LCD display module HD44780, and LCD display module circuit carries out the parallel port data communication through the data bus and the single-chip microcomputer of 8 PC FPDPs.
Button one end of said key-press module is connected with single-chip microcomputer, the direct ground connection of the button other end.
The chip for driving of motor drive module is stepper motor special integrated circuit L297 and dual H-bridge motor drive ic L298.
The timing chip of said timing/time block is chip DS1302; The quartz crystal oscillator of the external 32.768kHz of DS1302; The VCC2 of DS1302 is connected with ground through the 0.1uF ceramic condenser, and the VCC1 of DS1302 is connected with subsequent use automatic rechargeable battery, and subsequent use automatic rechargeable battery is the chargeable nickel-cadmium battery of 3.6V; Chargeable nickel-cadmium battery is connected with automatic charger, and automatic charger mainly is made up of LM393 and NE555; The timing chip of said timing/time block is chip QA640893A, and the output terminal of chip QA640893A is connected with the external interrupt INT2 of single-chip microcomputer.
Said power module mainly is made up of LM7805, and the input end of LM7805 is connected with outside 12V power supply with ceramic condenser through electrochemical capacitor, and the output terminal of LM7805 is connected to electrochemical capacitor and ceramic condenser.
The beneficial effect of the utility model is: improve solar energy tracking device reliability, sensor accuracy and timing accuracy, reduce the solar energy tracking device energy consumption, increase unit area sun power utilization ratio.
Description of drawings
According to accompanying drawing the utility model is done further explain below.
Fig. 1 is the structured flowchart of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 2 is the circuit diagram of single-chip minimum system module of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 3 is the circuit connection diagram of photoelectric sensor of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 4 is the circuit connection diagram of temperature sensor of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 5 is the circuit diagram of LCD display module of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 6 is the circuit diagram of key-press module of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 7 is the circuit diagram of motor drive module of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 8 is the circuit connection diagram of timing chip of the controller of the described solar energy tracking device of the utility model embodiment;
Fig. 9 is the automatic charger figure of subsequent use automatic rechargeable battery of the controller of the described solar energy tracking device of the utility model embodiment;
Figure 10 is the circuit connection diagram of timing chip of the controller of the described solar energy tracking device of the utility model embodiment;
Figure 11 is the circuit diagram of power module of the controller of the described solar energy tracking device of the utility model embodiment;
Figure 12 is the algorithm flow chart of the controller of the described solar energy tracking device of the utility model embodiment.
Among the figure:
1, sensor signal conditioning module; 101, photoelectric sensor; 102, temperature sensor; 2, human-computer interaction module; 201, LCD display module; 202, key-press module; 3, motor drive module; 301, chip for driving; 302, stepper motor; 4, timing/time block; 401, timing chip; 402, timing chip; 403, subsequent use automatic rechargeable battery; 5, single-chip minimum system module; 6, power module.
Embodiment
Shown in Fig. 1-11; The controller of the described a kind of solar energy tracking device of the utility model embodiment; Comprise sensor signal conditioning module 1, human-computer interaction module 2, motor drive module 3, timing/time block 4 and single-chip minimum system module 5, said sensor signal conditioning module 1 comprises photoelectric sensor 101 and temperature sensor 102; Human-computer interaction module 2 comprises LCD display module 201 and key-press module 202; Motor drive module 3 comprises chip for driving 301 and two-way stepper motor 302, and chip for driving 301 is connected with stepper motor 302; Timing/time block 4 comprises timing chip 401, timing chip 402 and subsequent use automatic rechargeable battery 403, and timing chip 402 is connected with subsequent use automatic rechargeable battery 403; Single-chip minimum system module 5 is connected with photoelectric sensor 101, temperature sensor 102, LCD display module 201, key-press module 202, chip for driving 301, stepper motor 302, timing chip 401 and timing chip 402 respectively, and single-chip minimum system module 5 also is connected with power module 6.
Said single-chip minimum system module 5 comprises that single-chip microcomputer and the outer clock circuit that is connected with single-chip microcomputer, reset circuit and USBASP download the ISP port of line; Wherein external clock adopts the passive quartz crystal oscillator of 8M, and passive quartz crystal oscillator two ends are respectively through 20pF pottery ground connection; The reseting port of reset circuit is connected to 10k Ω pull-up resistor, and reset circuit is through reset key ground connection, and reset key is parallelly connected with 104 ceramic condensers.
Said photoelectric sensor 101 comprises 9 small-sized silicon photocells; Small-sized silicon photocell is connected with the differential amplifier circuit of the subtraction of mainly being made up of LM741 realized; Differential amplifier circuit is connected with the single order active filter circuit of mainly being made up of LM358, and the single order active circuit is connected with single-chip microcomputer.
Said temperature sensor 102 is 1-wire digital temperature sensor DS18B20, and 1-wire digital temperature sensor DS18B20 is connected with single-chip microcomputer through I/O mouth line.
Said LCD display module 201 is character type 1602 single color LCD display module HD44780, and LCD display module circuit carries out the parallel port data communication through the data bus and the single-chip microcomputer of 8 PC FPDPs.
Button one end of said key-press module 202 is connected with single-chip microcomputer, the direct ground connection of the button other end.
The chip for driving 301 of motor drive module 3 is stepper motor special integrated circuit L297 and dual H-bridge motor drive ic L298.
The timing chip 402 of said timing/time block 4 is chip DS1302; The quartz crystal oscillator of the external 32.768kHz of DS1302; The VCC2 of DS1302 is connected with ground through the 0.1uF ceramic condenser, and the VCC1 of DS1302 is connected with subsequent use automatic rechargeable battery 403, the chargeable nickel-cadmium battery that subsequent use automatic rechargeable battery 403 is 3.6V; Chargeable nickel-cadmium battery is connected with automatic charger, and automatic charger mainly is made up of LM393 and NE555; The timing chip 401 of said timing/time block 4 is chip QA640893A, and the output terminal of chip QA640893A is connected with the external interrupt INT2 of single-chip microcomputer.
Said power module 6 mainly is made up of LM7805, and the input end of LM7805 is connected with outside 12V power supply with ceramic condenser through electrochemical capacitor, and the output terminal of LM7805 is connected to electrochemical capacitor and ceramic condenser.
When the controller of the described solar energy tracking device of design the utility model embodiment; The variation of considering ambient temperature has considerable influence to the output of silicon photocell; Near photoelectric sensor 101, placed a temperature sensor 102 that model is DS18B20; Detect photoelectric sensor 101 temperature, utilize detected temperature value that photoelectric sensor 101 detection signals are proofreaied and correct.
Aspect the improvement timing accuracy; It is that the timing chip 402 of DS1302 is that the timing chip 401 of QA640893A is realized with having the model that timing function can be set that the controller of the described solar energy tracking device of the utility model embodiment adopts model simultaneously; Wherein DS1302 can return correct time, date and time information; Make things convenient for the position of the accurate Calculation sun; The QA640893A of adjustable timing length can make things convenient for solar energy tracking device to change adjusting frequency of position of platform at any time, increases the time of platform over against the sun as far as possible, reduces the platform working time simultaneously as far as possible to reduce power consumption.
It is the photoelectric tracking pattern that the controller of the described solar energy tracking device of the utility model embodiment can be selected mode of operation automatically according to intensity of illumination; Photoelectricity, timing collaboration mode or timing tracing mode can make solar energy tracking device work reliably like this, and the accurate measurement of temporal information; Can make things convenient for solar energy tracking device to select uniaxiality tracking pattern or double-axis tracking pattern automatically; In addition, according to the position of sun speed that different time sections changes in one day, can adjust solar energy tracking device dormancy duration regularly immediately; Reduce the solar energy tracking device working time to greatest extent; Cut down the consumption of energy, keep platform and sun synchronization simultaneously to greatest extent, improve the sun power utilization ratio.
Shown in figure 12, the algorithm flow of the controller of the described solar energy tracking device of the utility model embodiment is following:
After the start, whole solar energy tracking device carries out self check earlier, and groundwork state is partly detected, and then is shown on the character type 1602 single color LCD display module HD44780 if any up-set condition, and solar energy tracking device is not worked; Normal like state, then start working.
After starting working, earlier the inspection current time, if evening, then solar energy tracking device gets into dormant state automatically; If on daytime, then carry out intensity of illumination and detect.If illumination is very strong, then adopt the photoelectric tracking pattern, after single-chip microcomputer was gathered, proofreaied and correct the signal of photoelectric sensor, through pid control algorithm, control two-way stepper motor rotated, and the adjustment position of platform makes platform over against the sun; If illumination is stronger, then adopt photoelectric tracking and regularly follow the tracks of coefficient pattern, after the output weighted mean of two kinds of control algolithms, drive stepping motor; If a little less than the illumination, for fear of system's misoperation, then adopt regularly tracing mode, gather the voltage signal of potentiometer, converse current position of platform, compare with the position of sun that calculates gained, rotate according to its error drive stepping motor; If a little less than the illumination extremely, locking system then, system is failure to actuate.
After once the action adjustment was accomplished, opening timing chip 401 began regularly, and simultaneity factor gets into dormant state, waited for that regularly the end back is waken up.
The utility model is not limited to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a application or akin technical scheme, all drops within the protection domain of the utility model.
Claims (9)
1. the controller of a solar energy tracking device; Comprise sensor signal conditioning module (1), human-computer interaction module (2), motor drive module (3), timing/time block (4) and single-chip minimum system module (5), it is characterized in that: said sensor signal conditioning module (1) comprises photoelectric sensor (101) and temperature sensor (102); Human-computer interaction module (2) comprises LCD display module (201) and key-press module (202); Motor drive module (3) comprises chip for driving (301) and two-way stepper motor (302), and chip for driving (301) is connected with stepper motor (302); Timing/time block (4) comprises timing chip (401), timing chip (402) and subsequent use automatic rechargeable battery (403), and timing chip (402) is connected with subsequent use automatic rechargeable battery (403); Single-chip minimum system module (5) is connected with photoelectric sensor (101), temperature sensor (102), LCD display module (201), key-press module (202), chip for driving (301), stepper motor (302), timing chip (401) and timing chip (402) respectively, and single-chip minimum system module (5) also is connected with power module (6).
2. the controller of solar energy tracking device according to claim 1; It is characterized in that: said single-chip minimum system module (5) comprises that single-chip microcomputer and the outer clock circuit that is connected with single-chip microcomputer, reset circuit and USBASP download the ISP port of line; Wherein external clock adopts the passive quartz crystal oscillator of 8M, and passive quartz crystal oscillator two ends are respectively through 20pF pottery ground connection; The reseting port of reset circuit is connected to 10k Ω pull-up resistor, and reset circuit is through reset key ground connection, and reset key is parallelly connected with 104 ceramic condensers.
3. the controller of solar energy tracking device according to claim 1; It is characterized in that: said photoelectric sensor (101) comprises 9 small-sized silicon photocells; Small-sized silicon photocell is connected with the differential amplifier circuit of the subtraction of mainly being made up of LM741 realized; Differential amplifier circuit is connected with the single order active filter circuit of mainly being made up of LM358, and the single order active circuit is connected with single-chip microcomputer.
4. the controller of solar energy tracking device according to claim 1, it is characterized in that: said temperature sensor (102) is 1-wire digital temperature sensor DS18B20,1-wire digital temperature sensor DS18B20 is connected with single-chip microcomputer through I/O mouth line.
5. the controller of solar energy tracking device according to claim 1; It is characterized in that: said LCD display module (201) is character type 1602 single color LCD display module HD44780, and LCD display module circuit carries out the parallel port data communication through the data bus and the single-chip microcomputer of 8 PC FPDPs.
6. the controller of solar energy tracking device according to claim 1, it is characterized in that: button one end of said key-press module (202) is connected with single-chip microcomputer, the direct ground connection of the button other end.
7. the controller of solar energy tracking device according to claim 1 is characterized in that: the chip for driving (301) of motor drive module (3) is stepper motor special integrated circuit L297 and dual H-bridge motor drive ic L298.
8. the controller of solar energy tracking device according to claim 1; It is characterized in that: the timing chip (402) of said timing/time block (4) is chip DS1302; The quartz crystal oscillator of the external 32.768kHz of DS1302; The VCC2 of DS1302 is connected with ground through the 0.1uF ceramic condenser, and the VCC1 of DS1302 is connected with subsequent use automatic rechargeable battery (403), and subsequent use automatic rechargeable battery (403) is the chargeable nickel-cadmium battery of 3.6V; Chargeable nickel-cadmium battery is connected with automatic charger, and automatic charger mainly is made up of LM393 and NE555; The timing chip (401) of said timing/time block (4) is chip QA640893A, and the output terminal of chip QA640893A is connected with the external interrupt INT2 of single-chip microcomputer.
9. according to the controller of each described solar energy tracking device of claim 1-8; It is characterized in that: said power module (6) mainly is made up of LM7805; The input end of LM7805 is connected with outside 12V power supply with ceramic condenser through electrochemical capacitor, and the output terminal of LM7805 is connected to electrochemical capacitor and ceramic condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202489940U CN202257282U (en) | 2011-07-14 | 2011-07-14 | Controller of a solar tracking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202489940U CN202257282U (en) | 2011-07-14 | 2011-07-14 | Controller of a solar tracking device |
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| Publication Number | Publication Date |
|---|---|
| CN202257282U true CN202257282U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202489940U Expired - Fee Related CN202257282U (en) | 2011-07-14 | 2011-07-14 | Controller of a solar tracking device |
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| CN (1) | CN202257282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824091A (en) * | 2012-09-24 | 2012-12-19 | 无锡商业职业技术学院 | Mailbox |
| CN103268122A (en) * | 2013-03-19 | 2013-08-28 | 上海聚恒太阳能有限公司 | Transmission control mechanism for photovoltaic tracker, photovoltaic tracker and transmission control method |
-
2011
- 2011-07-14 CN CN2011202489940U patent/CN202257282U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824091A (en) * | 2012-09-24 | 2012-12-19 | 无锡商业职业技术学院 | Mailbox |
| CN103268122A (en) * | 2013-03-19 | 2013-08-28 | 上海聚恒太阳能有限公司 | Transmission control mechanism for photovoltaic tracker, photovoltaic tracker and transmission control method |
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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: 20120530 Termination date: 20120714 |