CN203120233U - Solar charging constant current output all-in-one machine - Google Patents
Solar charging constant current output all-in-one machine Download PDFInfo
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- CN203120233U CN203120233U CN2013200171059U CN201320017105U CN203120233U CN 203120233 U CN203120233 U CN 203120233U CN 2013200171059 U CN2013200171059 U CN 2013200171059U CN 201320017105 U CN201320017105 U CN 201320017105U CN 203120233 U CN203120233 U CN 203120233U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a solar charging constant current output all-in-one machine. Solar connecting terminals are connected with a signal input end of a PWM charging conversion unit and a signal input end of a control unit. An output end of the PWM charging conversion unit is connected with a battery terminal, and the PWM charging conversion unit is connected with an output end of the control unit. An output end of the PWM charging unit is connected with a storage battery. The storage battery and a load are connected by a boost converting circuit. The solar charging constant current output all-in-one machine successfully integrates a power generation system of solar energy off-grid street lamps, reduces a plurality of unpredictable faults brought by installation, and integrates complete protection functions. The all-in-one machine fundamentally solves problems of LED dimming and power adjustment, so energy of an off-grid solar energy system is fully used.
Description
Technical field
The utility model relates to a kind of device for the output of solar energy electric current.
Background technology
Fast development along with industry, countries in the world recognize that gradually the energy is to the mankind's importance, more recognize the destruction that conventional energy resource causes environment and the ecosystem in utilizing process, various countries begin according to national conditions, administer and alleviate aggravating circumstances, and the important content of the development and use of renewable, free of contamination new forms of energy as sustainable development.Solar energy belongs to clean energy resource, and inexhaustible, has therefore obtained greatly developing of various countries.Though solar energy has huge potential, be subject to present scientific and technological level, the exploitation bottleneck of new material, and the restriction of cost, people can not absorb the ability that the sun sends fully.
Traditional solar street lamp controller exists following defective: generally adopt the Schottky counnter attack to add the mode of switch control, cut-off formula charging modes inefficiency; The fail safe reliability is not good, general unprotect design; The output control mode is single, directly the driving LED light source; Can not effectively regulate the power of led light source, the control mode of really accomplishing to divide at times power.
The utility model content
The purpose of this utility model is to provide a kind of charge efficiency height, defencive function is complete and discharge management perfect in shape and function, directly all-in-one is exported in driving LED lamp pearl and solar recharging constant current with dimming function.
For achieving the above object, the utility model has adopted following technical scheme: a kind of solar recharging constant current output all-in-one comprises the battery terminal that the solar energy Jie line end ﹑ that links to each other with the solar storage battery plate links to each other with storage battery and the load wiring terminal that links to each other with load.The solar energy binding post links to each other with the signal input part of PWM charging converting unit, the signal input part of solar energy sample circuit; PWM charging converting unit output links to each other with battery terminal, links to each other with one road output of control unit in addition; The output of PWM charhing unit links to each other with storage battery; Connect by a voltage up converting circuit unit and current sampling unit between storage battery and the load; Another output of storage battery is connected by the battery tension sampling unit with control unit; Face terminals L+ is connected by the load voltage sampling unit with control unit; The TL494 chip is accepted the output signal of current sample Dan Yuan ﹑ light adjusting circuit unit and output control circuit unit, links to each other with them respectively, and output control signal control voltage up converting circuit unit is also coupled; Light adjusting circuit unit and output control circuit unit link to each other with control unit respectively, accept the control signal of its output.
The described solar energy binding post of solar recharging constant current output all-in-one is made up of binding post S+, S-, binding post S+ links to each other with the signal input part of solar energy sample circuit and the input of PWM charhing unit respectively, and binding post S-links to each other with the input of PWM charhing unit.
Solar recharging constant current output all-in-one, described PWM charhing unit output is connected to battery terminal, and accepts the control signal of control unit.
Solar recharging constant current output all-in-one, battery terminal is made up of binding post B+, B-, and its input is connected to the PWM charhing unit, and output is connected to the input of voltage up converting circuit unit, and outputs signal to the battery tension sampling unit.
Solar recharging constant current output all-in-one, described voltage up converting circuit unit is made up of inductance L ﹑ electrochemical capacitor C ﹑ power MOSFET Q ﹑ fast recovery diode D1, the crus secunda of L is in parallel with the anode of the crus secunda of Q and D, the negative electrode of D links to each other with the L+ terminal of the positive pole of C and load, the negative pole of C is connected with the B-terminal of the San Jiao ﹑ storage battery of Q and the input of current sampling unit, and first pin of Q links to each other with the output of control chip TL494.
Solar recharging constant current output all-in-one, described current sampling unit is made up of shunt RT and differential amplifier circuit, RT is connected in series in B-between L-, the input of differential amplifier circuit is connected in the RT two ends in parallel, and the output of current sampling unit is connected to the input port of control chip TL494.
Solar recharging constant current output all-in-one, described control unit is the ATmega8 single-chip microcomputer, comprise a plurality of input/output ports, input port is connected respectively at the single single first ﹑ temperature sampling unit of first ﹑ load voltage sampling of the single first ﹑ battery tension sampling of solar voltage sampling and system power supply, and output port fills the single first ﹑ output control unit of electric unit ﹑ brightness adjustment control with PWM respectively and is connected.
As shown from the above technical solution, the utility model adopts the charging modes of PWM, is greatly improved aspect charge efficiency; Adopt the way of output of booster power switching current feedback loop, directly constant current drives the LED lamp up to three to five groups of parallel connections of 20 LED lamp pearls series connection; Adopt single-chip microcomputer to handle solar energy, storage battery, the voltage data of load, can be safer carry out overvoltage, counter filling, overcurrent, defencive functions such as short circuit.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
A kind of solar recharging constant current output all-in-one comprises the battery terminal that the solar energy Jie line end ﹑ that links to each other with the solar storage battery plate links to each other with storage battery and the load wiring terminal that links to each other with load.The solar energy binding post links to each other with the signal input part of PWM charging converting unit (1), the signal input part of solar energy sample circuit (7); PWM charging converting unit output links to each other with battery terminal, links to each other with one road output of control unit (2) in addition; The output of PWM charhing unit links to each other with storage battery; Connect by a voltage up converting circuit unit (3) and current sampling unit (4) between storage battery and the load; Another output of storage battery is connected by battery tension sampling unit (9) with control unit (2); Face terminals L+ is connected by load voltage sampling unit (10) with control unit (2); TL494 chip (6) is accepted current sampling unit, and (output signal of 4) ﹑ light adjusting circuit unit (5) and output control circuit unit (8) links to each other with them respectively, and output control signal control voltage up converting circuit unit (3) is also coupled; Light adjusting circuit unit (5) and output control circuit unit (8) link to each other with control unit (2) respectively, accept the control signal of its output.As shown in Figure 1.
As shown in Figure 1, described solar energy binding post is made up of binding post S+, S-, binding post S+ links to each other with the signal input part of solar energy sample circuit (7) and the input of PWM charhing unit (1) respectively, and binding post S-links to each other with the input of PWM charhing unit (1).Described PWM charhing unit (1) output is connected to battery terminal, and accepts the control signal of control unit (2).PWM charhing unit (1) inside comprises two switching circuits, a PWM control that is used for charging, and one is used for preventing that storage battery from giving the solar panel reverse charging in night; Under the charged state, the counnter attack switch is open-minded by day, and charge switch is regulated by pwm signal, and the control battery tension is no more than overcharging a little of storage battery.
As shown in Figure 1, battery terminal is made up of binding post B+, B-, and its input is connected to PWM charhing unit (1), and output is connected to the input of voltage up converting circuit unit (3), and outputs signal to battery tension sampling unit (9).As shown in Figure 1, described voltage up converting circuit unit (3) is made up of inductance L ﹑ electrochemical capacitor C ﹑ power MOSFET Q ﹑ fast recovery diode D1, the crus secunda of L is in parallel with the anode of the crus secunda of Q and D, the negative electrode of D links to each other with the L+ terminal of the positive pole of C and load, the negative pole of C is connected with the B-terminal of the San Jiao ﹑ storage battery of Q and the input of current sampling unit (4), and first pin of Q links to each other with the output of control chip TL494.As shown in Figure 1, described current sampling unit (4) is made up of shunt RT and differential amplifier circuit, RT is connected in series in B-between L-, the input of differential amplifier circuit is connected in the RT two ends in parallel, and the output of current sampling unit (4) is connected to the input port of control chip TL494.This part belongs to discharge portion, because string and the mode of load (LED lamp pearl) are different, its needed voltage and current is all different, generally speaking, LED lamp pearl all is to increase the power that series lamp pearl number promotes light source, because and joint conference increases output current, and the series connection increase is output voltage, increase electric current and can increase its infringement, therefore the LED drive source in the net system all is that to boost be main, by detecting load current, the manservant of an official divides amplifier to form negative feedback current then, and TL494 can adjust the duty of control MOSFET automatically and recently stablize output current to reach the purpose of constant current.The principle of light modulation is to adjust output current by adjusting the feedback comparing voltage value, export a half-power as need, so only the feedback comparing voltage value need be reduced half, can reach the purpose of a half-power, the feedback voltage value is finished by the dividing potential drop ratio of control unit control light adjusting circuit.Close output as need, only the Dead Time of TL494 need be transferred to maximum getting final product.
As shown in Figure 1, described control unit (2) is the ATmega8 single-chip microcomputer, comprise a plurality of input/output ports, (((10) ﹑ temperature sampling unit (11) and system power supply are connected 9) ﹑ load voltage sampling units 7) ﹑ battery tension sampling units input port, and ((5) ﹑ output control units (8) are connected 1) ﹑ dimming control unit output port with the PWM charhing unit respectively respectively at the solar voltage sampling unit.The data that control unit (2) sampling obtains can be made corresponding charging output mode.At first, according to battery tension value adjustment charging PWM, with the control charging voltage, adjust output state, whether needed to put protection; The second, adjust output mode counnter attack according to the solar voltage value and fill on off state, namely be street lamp pattern or family pattern, and whether will carry out counnter attack and fill protection; The 3rd, judge whether zero load according to load voltage, under no-load condition, need to close output.
Claims (7)
1. solar recharging constant current output all-in-one is characterized in that: comprise that the solar energy that links to each other with the solar storage battery plate connects the battery terminal that the sub-﹑ of line end links to each other with storage battery and the load wiring terminal that links to each other with load; The solar energy binding post links to each other with the signal input part of PWM charging converting unit (1), the signal input part of solar energy sample circuit (7); PWM charging converting unit output links to each other with battery terminal, links to each other with one road output of control unit (2) in addition; The output of PWM charhing unit links to each other with storage battery; Connect by a voltage up converting circuit unit (3) and current sampling unit (4) between storage battery and the load; Another output of storage battery is connected by battery tension sampling unit (9) with control unit (2); Face terminals L+ is connected by load voltage sampling unit (10) with control unit (2); TL494 chip (6) is accepted current sampling unit, and (output signal of 4) ﹑ light adjusting circuit unit (5) and output control circuit unit (8) links to each other with them respectively, and output control signal control voltage up converting circuit unit (3) is also coupled; Light adjusting circuit unit (5) and output control circuit unit (8) link to each other with control unit (2) respectively, accept the control signal of its output.
2. all-in-one is exported in solar recharging constant current according to claim 1, it is characterized in that: described solar energy binding post is made up of binding post S+, S-, binding post S+ links to each other with the signal input part of solar energy sample circuit (7) and the input of PWM charhing unit (1) respectively, and binding post S-links to each other with the input of PWM charhing unit (1).
3. all-in-one is exported in solar recharging constant current according to claim 1, it is characterized in that: described PWM charhing unit (1) output is connected to battery terminal, and accepts the control signal of control unit (2).
4. all-in-one is exported in solar recharging constant current according to claim 1, it is characterized in that: battery terminal is made up of binding post B+, B-, its input is connected to PWM charhing unit (1), output is connected to the input of voltage up converting circuit unit (3), and outputs signal to battery tension sampling unit (9).
5. all-in-one is exported in solar recharging constant current according to claim 1, it is characterized in that: described voltage up converting circuit unit (3) is made up of inductance L ﹑ electrochemical capacitor C ﹑ power MOSFET Q ﹑ fast recovery diode D1, the crus secunda of L is in parallel with the anode of the crus secunda of Q and D, the negative electrode of D links to each other with the L+ terminal of the positive pole of C and load, the negative pole of C is connected with the B-terminal of the San Jiao ﹑ storage battery of Q and the input of current sampling unit (4), and first pin of Q links to each other with the output of control chip TL494.
6. all-in-one is exported in solar recharging constant current according to claim 1, it is characterized in that: described current sampling unit (4) is made up of shunt RT and differential amplifier circuit, RT is connected in series in B-between L-, the input of differential amplifier circuit is connected in the RT two ends in parallel, and the output of current sampling unit (4) is connected to the input port of control chip TL494.
7. all-in-one is exported in solar recharging constant current according to claim 1, it is characterized in that: described control unit (2) is the ATmega8 single-chip microcomputer, comprise a plurality of input/output ports, (((10) ﹑ temperature sampling unit (11) and system power supply are connected 9) ﹑ load voltage sampling units 7) ﹑ battery tension sampling units input port, and ((5) ﹑ output control units (8) are connected 1) ﹑ dimming control unit output port with the PWM charhing unit respectively respectively at the solar voltage sampling unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200171059U CN203120233U (en) | 2013-01-14 | 2013-01-14 | Solar charging constant current output all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200171059U CN203120233U (en) | 2013-01-14 | 2013-01-14 | Solar charging constant current output all-in-one machine |
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| Publication Number | Publication Date |
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| CN203120233U true CN203120233U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200171059U Expired - Fee Related CN203120233U (en) | 2013-01-14 | 2013-01-14 | Solar charging constant current output all-in-one machine |
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| CN (1) | CN203120233U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219826A (en) * | 2013-08-19 | 2014-12-17 | 郑荣裕 | Highly integrated intelligent photovoltaic energy storage control system |
| CN104411075A (en) * | 2014-12-17 | 2015-03-11 | 重庆辉腾光电有限公司 | Solar street lamp controller of self-adaptive load |
| CN104470146A (en) * | 2014-12-17 | 2015-03-25 | 重庆辉腾光电有限公司 | Self-adaptive sampling solar street lamp controller with long service life |
| CN104507225A (en) * | 2014-12-17 | 2015-04-08 | 重庆辉腾光电有限公司 | Long-life solar street lamp system self-adaptive to low-sunlight area |
| CN106304499A (en) * | 2016-09-14 | 2017-01-04 | 深圳源创智能照明有限公司 | A kind of control system of solar energy street lamp |
-
2013
- 2013-01-14 CN CN2013200171059U patent/CN203120233U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219826A (en) * | 2013-08-19 | 2014-12-17 | 郑荣裕 | Highly integrated intelligent photovoltaic energy storage control system |
| CN104219826B (en) * | 2013-08-19 | 2016-08-24 | 广州楷林裕光能源科技有限公司 | A kind of photovoltaic energy storage controls highly integrated intellectualizing system |
| CN104411075A (en) * | 2014-12-17 | 2015-03-11 | 重庆辉腾光电有限公司 | Solar street lamp controller of self-adaptive load |
| CN104470146A (en) * | 2014-12-17 | 2015-03-25 | 重庆辉腾光电有限公司 | Self-adaptive sampling solar street lamp controller with long service life |
| CN104507225A (en) * | 2014-12-17 | 2015-04-08 | 重庆辉腾光电有限公司 | Long-life solar street lamp system self-adaptive to low-sunlight area |
| CN104411075B (en) * | 2014-12-17 | 2016-08-31 | 重庆辉腾光电有限公司 | A kind of solar street lamp controller of self-adapting load |
| CN106304499A (en) * | 2016-09-14 | 2017-01-04 | 深圳源创智能照明有限公司 | A kind of control system of solar energy street lamp |
| CN106304499B (en) * | 2016-09-14 | 2017-10-17 | 深圳源创智能照明有限公司 | A kind of control system of solar energy street lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20180114 |