CN202713730U - Simple and intelligent type solar LED (Light Emitting Diode) street lamp control circuit - Google Patents
Simple and intelligent type solar LED (Light Emitting Diode) street lamp control circuit Download PDFInfo
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- CN202713730U CN202713730U CN2012203571576U CN201220357157U CN202713730U CN 202713730 U CN202713730 U CN 202713730U CN 2012203571576 U CN2012203571576 U CN 2012203571576U CN 201220357157 U CN201220357157 U CN 201220357157U CN 202713730 U CN202713730 U CN 202713730U
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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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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Abstract
The utility model relates to the technical field of solar energy illumination, in particular to a simple and intelligent type solar LED (Light Emitting Diode) street lamp control circuit, wherein the output end of a solar battery component is respectively connected with input ends of a charging circuit and a voltage and current detection circuit; the output end of the charging circuit is connected with the input end of a storage battery; the output end of the storage battery is respectively connected with the input ends of a discharging circuit and the voltage and current detection circuit; and the output end of the discharging circuit is connected with the input end of a load. The simple and intelligent type solar LED street lamp control circuit disclosed by the utility model calculates the current capacity of the storage battery by detecting voltage and current of the solar component and the storage battery, outputs pulse by automatically adjusting a pulse frequency modulation direct-current circuit, and adjusts output power through the discharging circuit; therefore, an LED street lamp works under different powers according to the capacity of the storage battery; simultaneously, the storage battery is prevented from being excessively charged and discharged. The simple and intelligent type solar LED street lamp control circuit disclosed by the utility model is simple and reliable and is capable of effectively increasing the working efficiency of a photovoltaic system, reducing the system cost and prolonging the service life of the storage battery.
Description
Technical field
The utility model solar lighting technical field specifically relates to a kind of simple intelligent type solar LED street lamp control circuit.
Background technology
Conventional solar LED street lamp controller, the control of employing constant-current source, its efficient maximum about 80%, luminous efficiency is lower, and because the long-term work of LED lamp pearl is under constant current state, its LED lamp pearl brightness decay is larger, affects the useful life of LED lamp, cause the increase of use cost, aspect cost performance, lack the market competitiveness.And control in the whole charging process at the employing constant-voltage method, although simplified to a certain extent the structure of controller, but like this solar energy utilance is by means of emails or letters reduced greatly, be easy to simultaneously make storage battery transition discharge, greatly affect the useful life of storage battery.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, provide a kind of take central processing unit as data processing core, automatically detect battery capacity, and automatically regulate LED street lamp luminous power according to battery capacity, use simple intelligent type solar LED street lamp control circuit reliable, that structure is relatively simple, system synthesis efficient is high, the life-span is long.
A kind of simple intelligent type of the utility model solar LED street lamp control circuit is achieved by following technical proposals: a kind of simple intelligent type solar LED street lamp control circuit comprises solar module, charging circuit, discharge circuit, voltage and current detection circuit, central processing unit, the pulse frequency modulated DC circuit, storage battery, load, described solar module output is connected input with charging circuit respectively and is connected with voltage and current detection circuit, the charging circuit output is connected with the storage battery input, accumulator output end is connected input with discharge circuit respectively and is connected with voltage and current detection circuit, the discharge circuit output is connected with load input terminal; Described voltage and current detection circuit output is connected with the central processing unit input, the central processing unit output is connected input with charging circuit respectively and is connected with the pulse frequency modulated DC circuit, pulse frequency modulated DC circuit output is connected with load input terminal with the discharge circuit output.
A kind of simple intelligent type of the utility model solar LED street lamp control circuit has following beneficial effect compared with prior art: the utility model discloses a kind of take central processing unit as data processing core, automatically detect battery capacity, and automatically regulate LED street lamp luminous power according to battery capacity, the utility model is measured battery tension by the central processing unit voltage and current detection circuit, the Current calculation storage battery is capacity, and adopt the buck mode that bearing power is dynamically controlled by discharge circuit, adjust the storage battery power output thereby reach, prolong lighting hours, the purpose of the controlled discharge degree of depth, also avoided using inverter to adjust the additional energy loss that power output is brought, not only strengthened the ease of use of solar LED street lamp controller, more prolong system useful life, be conducive to the further popularization of solar illuminating system.
The utility model is by the detection to solar components electric current and voltage, storage battery current voltage, calculate the current capacity of storage battery, by the automatic regulation output pulse of pulse frequency modulated DC circuit warp, adjust power output by discharge circuit, the LED street lamp is operated under the different power according to battery capacity, has avoided simultaneously the storage battery discharge that overcharges.The utility model circuit is simple and reliable, but the operating efficiency of Effective Raise photovoltaic system reduces system cost, prolongs the useful life of storage battery.
Description of drawings
A kind of simple intelligent type of the utility model solar LED street lamp control circuit has following accompanying drawing:
Fig. 1 is a kind of simple intelligent type of the utility model solar LED street lamp control circuit theory structure block diagram;
Fig. 2 is the circuit principle structure figure of a kind of simple intelligent type of the utility model solar LED street lamp control circuit battery tension current detection circuit;
Fig. 3 is the solar voltage testing circuit principle assumption diagram of a kind of simple intelligent type of the utility model solar LED street lamp control circuit.
Wherein: 1, solar module; 2, charging circuit; 3, discharge circuit; 4, voltage and current detection circuit; 5, central processing unit; 6, pulse frequency modulated DC circuit; 7, storage battery; 8, load.
Embodiment
Below in conjunction with drawings and Examples a kind of simple intelligent type of the utility model solar LED street lamp control circuit technical scheme is further described.
As shown in Figure 1-Figure 3, a kind of simple intelligent type solar LED street lamp control circuit comprises solar module 1, charging circuit 2, discharge circuit 3, voltage and current detection circuit 4, central processing unit 5, pulse frequency modulated DC circuit 6, storage battery 7, load 8, described solar module 1 output is connected with the input that charging circuit 2 is connected with voltage and current detection circuit respectively, charging circuit 2 outputs are connected with storage battery 7 inputs, storage battery 7 outputs are connected with the input that discharge circuit 3 is connected with voltage and current detection circuit respectively, and discharge circuit 3 outputs are connected with load 8 inputs; Described voltage and current detection circuit 4 outputs are connected with central processing unit 5 inputs, central processing unit 5 outputs are connected with the input that charging circuit 2 is connected with the pulse frequency modulated DC circuit respectively, and pulse frequency modulated DC circuit 6 outputs are connected with load 8 inputs with discharge circuit 3 outputs.
Described voltage and current detection circuit 4 comprises battery tension current detection circuit and solar array voltage testing circuit; The voltage output end of described battery tension current detection circuit 4 is connected with the R2 input with divider resistance R1 respectively, divider resistance R1 output head grounding, divider resistance R2 output termination storage battery 7 positive terminals; The current output terminal of described battery tension current detection circuit 4 is connected with the negative pole that divider resistance R3 input is connected with storage battery respectively, divider resistance R3 output head grounding.
The voltage output end of described voltage and current detection circuit 4 is connected with the R5 input with divider resistance R4 respectively, divider resistance R4 output head grounding, and divider resistance R5 output is connected with the solar cell positive terminal, solar cell 1 minus earth.
A kind of simple intelligent type of the utility model solar LED street lamp control circuit comprises solar module 1, charging circuit 2, discharge circuit 3, voltage and current detection circuit 4, central processing unit 5, pulse frequency modulated DC circuit 6, storage battery 7 and load 8, and described central processing unit is single-chip microcomputer; Described voltage and current detection circuit comprises battery tension current detection circuit and solar array voltage testing circuit; Described frequency modulation(FM) DC circuit 6 inputs connect central processing unit 5 outputs, frequency modulation(FM) DC circuit 6 outputs connect discharge circuit 3 inputs, and frequency modulation(FM) DC circuit 6 can be that the automatic regulation output pulse frequency of capacity controlled discharge electricity .3 output different capacity is to load 8 according to storage battery.
Described discharge circuit 3 adopts the control method of buck to realize that the output different capacity is to load 8 power supplies according to frequency modulation(FM) DC circuit 6 output pulse frequencies.
Described charging circuit 2 adopts by central authorities and processes Lu 5 relatively storage battery 7 voltages and solar module 1 voltage height, and 2 pairs of storage batterys 7 of control charging circuit charge.
Described battery tension current detection circuit makes the battery tension scope be fitted to the operating voltage range of central processing unit 5 by electric resistance partial pressure, realizes voltage detecting function, measures magnitude of voltage by analog to digital conversion circuit.Current sample adopts the low resistance resistance string to receive between battery terminal negative and the circuit ground and realizes current sense function, converses electric current by measuring this resistance voltage, in the charging current of this electric current of charged state, is load current at this electric current of discharge condition.Solar array voltage testing circuit principle is that central processing unit 5 is measured solar array voltage by measuring resistance dividing point voltage.
Described frequency modulation(FM) DC circuit 6 inputs are connected with central processing unit 5 outputs, frequency modulation(FM) DC circuit 6 outputs are connected with discharge circuit 3 inputs, can be according to the automatic regulation output pulse frequency of the instant capacity of storage battery controlled discharge circuit 3 output different capacities to load 8.
Described discharge circuit 3 adopts the buck control method to realize that the output different capacity is to load 8 power supplies according to frequency modulation(FM) DC circuit 6 output pulse frequencies.
Described charging circuit 2 adopts central processing unit 5 relatively storage battery 7 voltages and solar module 1 voltage height, and 2 pairs of storage batterys 7 of control charging circuit charge.
When the utility model storage battery 7 is in the discharge operating state, by central processing unit 5, voltage and current detection circuit 4 is measured storage battery 7 voltages, the Current calculation storage battery is capacity, and adopt the buck modes that load 8 power are dynamically controlled by discharge circuit 3, adjust storage battery 7 power outputs thereby reach, prolong lighting hours, the purpose of the controlled discharge degree of depth, also avoided using inverter to adjust the additional energy loss that power output is brought, not only strengthened the ease of use of solar LED street lamp controller, more prolong system useful life, be conducive to the further popularization of solar illuminating system.
Claims (3)
1. simple intelligent type solar LED street lamp control circuit, comprise solar module (1), charging circuit (2), discharge circuit (3), voltage and current detection circuit (4), central processing unit (5), pulse frequency modulated DC circuit (6), storage battery (7), load (8), it is characterized in that: described solar module (1) output is connected 4 with charging circuit (2) with voltage and current detection circuit respectively) input be connected, charging circuit (2) output is connected with storage battery (7) input, storage battery (7) output is connected 4 with discharge circuit (3) with voltage and current detection circuit respectively) input be connected, discharge circuit (3) output is connected with load (8) input; Described voltage and current detection circuit (4) output is connected with central processing unit (5) input, central processing unit (5) output is connected 6 with charging circuit (2) with the pulse frequency modulated DC circuit respectively) input be connected, pulse frequency modulated DC circuit (6) output is connected with load (8) input with discharge circuit (3) output.
2. simple intelligent type solar LED street lamp control circuit according to claim 1, it is characterized in that: described voltage and current detection circuit (4) comprises battery tension current detection circuit and solar array voltage testing circuit; The voltage output end of described battery tension current detection circuit (4) is connected with the R2 input with divider resistance R1 respectively, divider resistance R1 output head grounding, divider resistance R2 output termination storage battery (7) positive terminal; The current output terminal of described battery tension current detection circuit (4) is connected 7 with divider resistance R3 input with storage battery respectively) negative pole be connected divider resistance R3 output head grounding.
3. simple intelligent type solar LED street lamp control circuit according to claim 1 and 2, it is characterized in that: the voltage output end of described voltage and current detection circuit (4) is connected with the R5 input with divider resistance R4 respectively, divider resistance R4 output head grounding, divider resistance R5 output is connected with the solar cell positive terminal, solar cell ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203571576U CN202713730U (en) | 2012-07-23 | 2012-07-23 | Simple and intelligent type solar LED (Light Emitting Diode) street lamp control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203571576U CN202713730U (en) | 2012-07-23 | 2012-07-23 | Simple and intelligent type solar LED (Light Emitting Diode) street lamp control circuit |
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| CN202713730U true CN202713730U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203571576U Expired - Fee Related CN202713730U (en) | 2012-07-23 | 2012-07-23 | Simple and intelligent type solar LED (Light Emitting Diode) street lamp control circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202666A (en) * | 2015-10-22 | 2015-12-30 | 广东美的制冷设备有限公司 | Solar air conditioning system and control method thereof |
| CN105491752A (en) * | 2014-10-13 | 2016-04-13 | 湖北金福阳科技有限公司 | Solar streetlamp controller and solar streetlamp using same |
| CN105485809A (en) * | 2015-12-23 | 2016-04-13 | 广东美的制冷设备有限公司 | Air conditioning system and control method of air conditioning system |
-
2012
- 2012-07-23 CN CN2012203571576U patent/CN202713730U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491752A (en) * | 2014-10-13 | 2016-04-13 | 湖北金福阳科技有限公司 | Solar streetlamp controller and solar streetlamp using same |
| CN105202666A (en) * | 2015-10-22 | 2015-12-30 | 广东美的制冷设备有限公司 | Solar air conditioning system and control method thereof |
| CN105485809A (en) * | 2015-12-23 | 2016-04-13 | 广东美的制冷设备有限公司 | Air conditioning system and control method of air conditioning system |
| CN105485809B (en) * | 2015-12-23 | 2019-01-22 | 广东美的制冷设备有限公司 | The control method of air-conditioning system and air-conditioning system |
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| Date | Code | Title | Description |
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| 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: 20130130 Termination date: 20130723 |