CN101977470A - Load discharge management circuit of solar street lamp - Google Patents
Load discharge management circuit of solar street lamp Download PDFInfo
- Publication number
- CN101977470A CN101977470A CN2010105408625A CN201010540862A CN101977470A CN 101977470 A CN101977470 A CN 101977470A CN 2010105408625 A CN2010105408625 A CN 2010105408625A CN 201010540862 A CN201010540862 A CN 201010540862A CN 101977470 A CN101977470 A CN 101977470A
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- triode
- load
- solar street
- emitter
- mos
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- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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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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- Photovoltaic Devices (AREA)
Abstract
The invention relates to a load discharge management circuit of a solar street lamp. The circuit is formed by connecting a load indicating lamp, an MOS (metal oxide semiconductor) tube, two triodes, four resistors, two capacitors and a signal input/output port and achieves load discharge management of the solar street lamp. The circuit has the advantage that: when the voltage of a battery is over low, a load is closed to prevent the storage battery from over discharging. The protective management of the circuit improves the safety and stability of the solar street lamp.
Description
Technical field
The present invention relates to circuit field, particularly a kind of load discharge management circuit of solar street light.
Background technology
In short supply day by day along with traditional energy, the application of solar energy will be more and more widely, and especially field of solar thermal power generation has developed into ripe rising industry in short time several years.
At present, solar street light exists lamp power height, many these the three big problems of fast, the no power consumption output of LED light decay, has a strong impact on the problem of street lamp cost and efficient.
The circuit function imperfection of the load discharge of solar street light management under the prior art.
Based on above reason, the circuit of inventing a kind of load discharge management of the solar street light that matching is good, practicality is good is a problem demanding prompt solution in the present technique field.
Summary of the invention
The present invention provides a kind of circuit of simple and effective load discharge management in order to overcome the deficiency of above technology.
The present invention realizes by following measure:
A kind of load discharge management circuit of solar street light, be by a metal-oxide-semiconductor (MOS), two triodes (Q1, Q2), four resistance (R1～R4), two electric capacity (C1, C2) and a signal input output end mouth I/O are formed by connecting:
Series resistance R1 between the base stage of input/output terminal I/O and triode Q1;
Cross-over connection capacitor C 1 between the base stage of triode Q1 and the emitter, the grounded emitter of triode Q1, series resistance R2 between the emitter of the collector electrode of triode Q1 and triode Q2, series resistance R3 between the base stage of the collector electrode of triode Q1 and triode Q2, and the grounded emitter of triode Q1;
The base stage of triode Q2 links to each other with the non-earth terminal of ground capacity C2, and the emitter of triode Q2 connects with power voltage supply voltage VCC and links to each other;
Wherein, also be connected with a load indicator light L, be connected across between the drain electrode of triode Q2 and MOS;
Cross-over connection resistance R 4 between the collector electrode of the emitter of triode Q1 and triode Q2;
The collector electrode of triode Q2 links to each other with the grid of MOS;
The grid of metal-oxide-semiconductor MOS and drain electrode be ground connection respectively.
Preferably, the two ends of load indicator light L connect anodal load (L+) and negative pole load (L-) respectively.
Preferably, the drain electrode of described metal-oxide-semiconductor MOS is a zero passage detection point (a).
The invention has the beneficial effects as follows: cross when hanging down when cell voltage and close load, in case the storage battery over-discharge can.Load this moment indicator light goes out, and storage battery indicator light flicker (low excessively with the expression battery tension) will wait the charging on daytime cell voltage to be flushed to certain voltage, the storage battery indicator light Chang Liang of flicker then.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below preferred embodiment of the present invention and conjunction with figs. describes in detail as after.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the schematic diagram of the load discharge management circuit of solar street light of the present invention.Among the figure, I/O is an input/output port, and Q1, Q2 are triode, and MOS is a metal-oxide-semiconductor, and C1, C2 are electric capacity, and R1, R2, R3, R4 are resistance, and L is the load indicator light, and L+ is anodal load, and L-is the negative pole load, and a is the over-current detection point.
Embodiment
In conjunction with the accompanying drawings 1, the load discharge management circuit of a kind of solar street light of the present invention, by a metal-oxide-semiconductor MOS, two triodes (Q1, Q2), four resistance (R1～R4), two electric capacity (C1, C2) and a signal input output end mouth I/O are formed by connecting:
Series resistance R1 between the base stage of input/output terminal I/O and triode Q1;
Cross-over connection capacitor C 1 between the base stage of triode Q1 and the emitter, the grounded emitter of triode Q1, series resistance R2 between the emitter of the collector electrode of triode Q1 and triode Q2, series resistance R3 between the base stage of the collector electrode of triode Q1 and triode Q2, and the grounded emitter of triode Q1;
The base stage of triode Q2 links to each other with the non-earth terminal of ground capacity C2, and the emitter of triode Q2 connects with power voltage supply voltage VCC and links to each other;
Wherein, also be connected with a load indicator light L, be connected across between the drain electrode of triode Q2 and MOS;
Cross-over connection resistance R 4 between the collector electrode of the emitter of triode Q1 and triode Q2;
The collector electrode of triode Q2 links to each other with the grid of MOS;
The grid of metal-oxide-semiconductor MOS and drain electrode be ground connection respectively.
Preferably, the two ends of load indicator light L meet anodal load L+ and negative pole load L-respectively.
Preferably, the drain electrode of described metal-oxide-semiconductor MOS is a zero passage detection point (a).
Load discharge management circuit with solar street light of the present invention is the load discharge administrative section of the solar street light of circuit base, and concrete mode of operation is as follows:
1. circuit is described: when input/output port I/O is output as high level triode Q1 conducting, what supply power voltage VCC arrive triode Q2 later on through the dividing potential drop of resistance R 2 and resistance R 3 is low level, and triode Q2 is with regard to conducting so.Supply power voltage VCC makes the metal-oxide-semiconductor conducting through triode Q2 to metal-oxide-semiconductor.The anodal load (L+) of load indicator light L and negative pole load (L-) connect load respectively and start working.
2. cross when hanging down when cell voltage and close load, in case the storage battery over-discharge can.Load this moment indicator light goes out, and storage battery indicator light flicker (low excessively with the expression battery tension) will wait the charging on daytime that cell voltage is flushed to certain voltage then, and the storage battery indicator light Chang Liang of flicker recovers with expression battery electricity.
3.LOAD load indicator light: (between the 0-3A) is bright in the time of the load operate as normal, does not go out when load is not worked.
The foregoing description just is to allow the one of ordinary skilled in the art can understand content of the present invention and enforcement according to this for technical conceive of the present invention and characteristics being described, its objective is, can not limit protection scope of the present invention with this.The variation or the modification of every equivalence that the essence of content has been done according to the present invention all should be encompassed in protection scope of the present invention.
Claims (3)
1. the load discharge management circuit of a solar street light, be by a metal-oxide-semiconductor MOS, two triodes (Q1, Q2), four resistance (R1～R4), two electric capacity (C1, C2) and a signal input output end mouth I/O are formed by connecting:
Series resistance R1 between the base stage of input/output terminal I/O and triode Q1;
Cross-over connection capacitor C 1 between the base stage of triode Q1 and the emitter, the grounded emitter of triode Q1, series resistance R2 between the emitter of the collector electrode of triode Q1 and triode Q2, series resistance R3 between the base stage of the collector electrode of triode Q1 and triode Q2, and the grounded emitter of triode Q1;
The base stage of triode Q2 links to each other with the non-earth terminal of ground capacity C2, and the emitter of triode Q2 connects with power voltage supply voltage VCC and links to each other;
It is characterized in that, also be connected with a load indicator light L, be connected across between the drain electrode of triode Q2 and MOS;
Cross-over connection resistance R 4 between the collector electrode of the emitter of triode Q1 and triode Q2;
The collector electrode of triode Q2 links to each other with the grid of MOS;
The grid of metal-oxide-semiconductor MOS and drain electrode be ground connection respectively.
2. the load discharge management circuit of solar street light according to claim 1 is characterized in that, the two ends of load indicator light L connect anodal load (L+) and negative pole load (L-) respectively.
3. the load discharge management circuit of solar street light according to claim 1 is characterized in that, the drain electrode of described metal-oxide-semiconductor MOS is a zero passage detection point (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105408625A CN101977470A (en) | 2010-11-11 | 2010-11-11 | Load discharge management circuit of solar street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105408625A CN101977470A (en) | 2010-11-11 | 2010-11-11 | Load discharge management circuit of solar street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101977470A true CN101977470A (en) | 2011-02-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105408625A Pending CN101977470A (en) | 2010-11-11 | 2010-11-11 | Load discharge management circuit of solar street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101977470A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061983A (en) * | 1974-12-11 | 1977-12-06 | Sony Corporation | Transistor amplifier with protective circuit |
| CN2552232Y (en) * | 2002-04-19 | 2003-05-21 | 深圳键桥通讯技术有限公司 | Solar charger |
| CN201263229Y (en) * | 2008-08-25 | 2009-06-24 | 王谦 | Series LED Constant Current Controller |
| CN201303550Y (en) * | 2008-09-28 | 2009-09-09 | 李毅 | A combined solar aerator |
-
2010
- 2010-11-11 CN CN2010105408625A patent/CN101977470A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061983A (en) * | 1974-12-11 | 1977-12-06 | Sony Corporation | Transistor amplifier with protective circuit |
| CN2552232Y (en) * | 2002-04-19 | 2003-05-21 | 深圳键桥通讯技术有限公司 | Solar charger |
| CN201263229Y (en) * | 2008-08-25 | 2009-06-24 | 王谦 | Series LED Constant Current Controller |
| CN201303550Y (en) * | 2008-09-28 | 2009-09-09 | 李毅 | A combined solar aerator |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110216 |