CN204291484U - A kind of solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit - Google Patents
A kind of solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit Download PDFInfo
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- CN204291484U CN204291484U CN201420744941.1U CN201420744941U CN204291484U CN 204291484 U CN204291484 U CN 204291484U CN 201420744941 U CN201420744941 U CN 201420744941U CN 204291484 U CN204291484 U CN 204291484U
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- triode
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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
Abstract
The utility model provides a kind of solar LED (Light Emitting Diode) lamp without frequent flashing control circuit, comprise: solar panel, storage battery, light-operated circuit, LED drive circuit and filter circuit, the output of described solar panel connects storage battery, the output of described storage battery connects LED drive circuit, described light-operated circuit is connected with described LED drive circuit, the output of described LED drive circuit connects filter circuit, and the output of described filter circuit connects LED.The utility model utilizes solar energy to power, and is controlled by the driving of photo resistance to LED, carries out filtering by filter circuit to the drive current exported simultaneously, energy savings, automatically realize signal light control, in circuit, ripple then obtains larger suppression, reduces LED strobe effect.
Description
Technical field
The utility model relates to LED power field, is specifically related to a kind of solar LED (Light Emitting Diode) lamp without frequent flashing control circuit.
Background technology
Solar energy industry production capacity surplus domestic at present, there is obstacle due to high brightness technology in LED industry, and the LED of low, the middle brightness mainly used, existing LED application mainly conventional alternating voltage step-down turns DC application, or re-use after LED series boosting, but prerequisite uses after also voltage interchange must being turned direct current.
Existing LED product needs higher power factor, in order to improve the power factor of product, current product is all after rectifying and wave-filtering, all have employed less filter capacitor carry out filtering to the electric current after rectification, because filter capacitor is less, therefore still have the Envelop waves of 120Hz at rear class electric current output, when LED is lighted, observed by camera, still can find that there is the interference stripe of fast moving eventually, still there is certain injury to the eyes of people in this interference.At present in order to head it off, having to adopt increases rear class filter capacitor, has and adopts the scheme increasing one-level DC-DC conversion circuit to improve.
But due to the restriction of product cost and the restriction of size, can not accomplish enough large to electrochemical capacitor capacity, the scheme therefore increasing rear class electrochemical capacitor can not be used for whole products.
Utility model content
In order to overcome above-mentioned prior art Problems existing, the utility model provides a kind of solar LED (Light Emitting Diode) lamp without frequent flashing control circuit, by increasing the filter capacitor capacity of output, to reduce the ripple of output.
The technical solution of the utility model is: a kind of solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit, it is characterized in that, comprise: solar panel, storage battery, light-operated circuit, LED drive circuit and filter circuit, the output of described solar panel connects storage battery, the output of described storage battery connects LED drive circuit, described light-operated circuit is connected with described LED drive circuit, and the output of described LED drive circuit connects filter circuit.
Further, described light-operated circuit comprises photo resistance VR1, triode VQ1, triode VQ3, resistance R1, resistance R2 and electric capacity C1, the collector electrode of described triode VQ1 is connected with the output cathode of storage battery BT2, described photo resistance VR1 is connected with the collector electrode of triode VQ1 by resistance R1, one end that described resistance R1 is connected with photo resistance VR1 is connected with the base stage of triode VQ3, described electric capacity C1 is connected in parallel on the two ends of photo resistance VR1, and the base stage of described triode VQ1 is connected with the collector electrode of described triode VQ3 by resistance R2.
Further, described LED drive circuit comprises triode VQ2, triode VQ4, resistance R3 ~ R5, electric capacity C2 and inductance L 1, the collector electrode of described triode VQ2 is connected with the base stage of triode VQ3 by resistance R3, the collector electrode of described triode VQ3 is connected with the emitter of triode VQ1, the emitter of described triode VQ3 is connected with the emitter of triode VQ2 by resistance R4, the emitter of described triode VQ3 is connected with the base stage of described triode VQ4 by resistance R5, the collector electrode of described triode VQ4 is respectively by inductance L 1, collector electrode and the base stage of electric capacity C2 and triode VQ3 are connected.
Further, described filter circuit comprises RC filter circuit, amplifying circuit and output circuit; Described RC filtered electrical routing resistance R7 and electric capacity C3 forms, described amplifying circuit comprises the multiple tube, inductance L 2 and the electric capacity C4 that are made up of triode VQ5 and triode VQ6, described output circuit comprises filter capacitor C5 and LED group, the base stage of the output connecting triode VQ5 of described RC filter circuit, the base stage of connecting triode VQ6 after the emitter series inductance L2 of described triode VQ5, the base stage of described triode VQ6 is by electric capacity C4 ground connection, and the emitter of described triode VQ6 connects output circuit.
Further, also comprise Cross prevention resistance R6, one end of described Cross prevention resistance R6 is connected with the base stage of triode VQ3, other end ground connection.
The beneficial effects of the utility model are: the utility model utilizes solar energy to power, controlled by the driving of photo resistance to LED, by filter circuit, filtering is carried out to the drive current exported simultaneously, energy savings, automatically signal light control is realized, in circuit, ripple then obtains larger suppression, reduces LED strobe effect.
Accompanying drawing explanation
Fig. 1 is that a kind of solar LED (Light Emitting Diode) lamp that the utility model proposes is without frequent flashing control circuit structure diagram;
Fig. 2 is that a kind of solar LED (Light Emitting Diode) lamp that the utility model proposes is without frequent flashing control circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
See Fig. 1 and Fig. 2, wherein Fig. 1 is that a kind of solar LED (Light Emitting Diode) lamp that the utility model proposes is without frequent flashing control circuit structure diagram; Fig. 2 is that a kind of solar LED (Light Emitting Diode) lamp that the utility model proposes is without frequent flashing control circuit diagram.
As depicted in figs. 1 and 2, a kind of solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit, comprise: solar panel, storage battery, light-operated circuit, LED drive circuit and filter circuit, the output of described solar panel connects storage battery, the output of described storage battery connects LED drive circuit, described light-operated circuit is connected with described LED drive circuit, and the output of described LED drive circuit connects filter circuit.
Described light-operated circuit comprises photo resistance VR1, triode VQ1, triode VQ3, resistance R1, resistance R2 and electric capacity C1, the collector electrode of described triode VQ1 is connected with the output cathode of described storage battery BT2, described photo resistance VR1 is connected with the collector electrode of triode VQ1 by resistance R1, one end that described resistance R1 is connected with photo resistance VR1 is connected with the base stage of triode VQ3, described electric capacity C1 is connected in parallel on the two ends of photo resistance VR1, and the base stage of described triode VQ1 is connected with the collector electrode of described triode VQ3 by resistance R2.
Described LED drive circuit comprises triode VQ2, triode VQ4, resistance R3 ~ R5, electric capacity C2 and inductance L 1, the collector electrode of described triode VQ2 is connected with the base stage of triode VQ3 by resistance R3, the collector electrode of described triode VQ3 is connected with the emitter of triode VQ1, the emitter of described triode VQ3 is connected with the emitter of triode VQ2 by resistance R4, the emitter of described triode VQ3 is connected with the base stage of described triode VQ4 by resistance R5, the collector electrode of described triode VQ4 is respectively by inductance L 1, collector electrode and the base stage of electric capacity C2 and triode VQ3 are connected.
Described filter circuit comprises RC filter circuit, amplifying circuit and output circuit; Described RC filtered electrical routing resistance R7 and electric capacity C3 forms, described amplifying circuit comprises the multiple tube, inductance L 2 and the electric capacity C4 that are made up of triode VQ5 and triode VQ6, described output circuit comprises filter capacitor C5 and LED group, the base stage of the output connecting triode VQ5 of described RC filter circuit, the base stage of connecting triode VQ6 after the emitter series inductance L2 of described triode VQ5, the base stage of described triode VQ6 is by electric capacity C4 ground connection, and the emitter of described triode VQ6 connects output circuit.
The utility model in use, daytime, transform light energy was electric energy by solar panel BT1, through isolating diode D1, storage battery BT2 is charged, photo resistance VR1 now as photo resistance VR1 is low-resistance, the base stage of triode VQ3 is that low level is ended, during evening, photo resistance is high resistant, triode VQ3 conducting, the base stage of triode VQ1 obtains bias current conducting, by triode VQ2, triode VQ4, resistance R3, electric capacity C2 and inductance L 1 form LED drive circuit work output driving current, by filter circuit, filtering is carried out to the drive current exported, reduce the ripple content in drive current, reduce the strobe effect of LED.
In the utility model embodiment, also comprise Cross prevention resistance R6, one end of described Cross prevention resistance R6 is connected with the base stage of triode VQ3, other end ground connection.When daytime, charging was inadequate, may there is overdischarge in storage battery BT2, so easy damage battery, and by increasing Cross prevention resistance R6, when voltage reduces to a certain extent, the base potential of triode VQ3 is not enough to make its conducting, thus protection battery.
In the utility model embodiment, LED drive circuit is the DC booster circuit that a complementary pipe oscillating circuit is formed, its course of work is: during VQ1 conducting, power supply is charged to C2 by L1, R3, VQ3, and because C2 both end voltage can not be suddenlyd change, VQ2 base stage is high level, VQ2 not conducting, along with its pressure drop of charging of C2 is more and more higher, VQ2 base potential is more and more lower, the VQ3 conducting when being low to moderate VQ2 conducting voltage, VQ4 successive conductive, C2 ties electric discharge by VQ4ce knot, power supply, VQ2eb.VQ2 cut-off after being discharged, VQ4 ends, and power supply charges to C2 again, VQ2 conducting afterwards, VQ4 conducting, C2 discharges, so repeatedly, circuit forms vibration, in oscillatory process, during VQ4 conducting, power supply ties ground through L1 and VQ4ce, and electric current is through L1 energy storage, during VQ4 cut-off, L1 produces induced electromotive force, and output driving current after power supply superposition.
In the utility model embodiment, by arranging RC filter circuit in the base stage of multiple tube, the filter effect exported from the emitter of triode VQ6 is the electric capacity C3 after triode VQ5 amplifies, be equivalent to add bulky capacitor in circuit, and be connected on inductance L 2 and the electric capacity C4 of triode VQ6 base stage, amplified by triode VQ6 again, be equivalent to like this add a large inductance in circuit, with two large electrochemical capacitors, therefore in circuit, ripple then obtains larger suppression, reduces strobe effect.
Above the utility model is described in detail, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.
Claims (5)
1. a solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit, it is characterized in that, comprise: solar panel, storage battery, light-operated circuit, LED drive circuit and filter circuit, the output of described solar panel connects storage battery, the output of described storage battery connects LED drive circuit, described light-operated circuit is connected with described LED drive circuit, and the output of described LED drive circuit connects filter circuit.
2. a kind of solar LED (Light Emitting Diode) lamp according to claim 1 is without frequent flashing control circuit, it is characterized in that, described light-operated circuit comprises photo resistance VR1, triode VQ1, triode VQ3, resistance R1, resistance R2 and electric capacity C1, the collector electrode of described triode VQ1 is connected with the output cathode of storage battery BT2, described photo resistance VR1 is connected with the collector electrode of triode VQ1 by resistance R1, one end that described resistance R1 is connected with photo resistance VR1 is connected with the base stage of triode VQ3, described electric capacity C1 is connected in parallel on the two ends of photo resistance VR1, the base stage of described triode VQ1 is connected with the collector electrode of described triode VQ3 by resistance R2.
3. a kind of solar LED (Light Emitting Diode) lamp according to claim 2 is without frequent flashing control circuit, it is characterized in that, described LED drive circuit comprises triode VQ2, triode VQ4, resistance R3 ~ R5, electric capacity C2 and inductance L 1, the collector electrode of described triode VQ2 is connected with the base stage of triode VQ3 by resistance R3, the collector electrode of described triode VQ3 is connected with the emitter of triode VQ1, the emitter of described triode VQ3 is connected with the emitter of triode VQ2 by resistance R4, the emitter of described triode VQ3 is connected with the base stage of described triode VQ4 by resistance R5, the collector electrode of described triode VQ4 is respectively by inductance L 1, collector electrode and the base stage of electric capacity C2 and triode VQ3 are connected.
4. a kind of solar LED (Light Emitting Diode) lamp according to claim 1 is without frequent flashing control circuit, it is characterized in that, described filter circuit comprises RC filter circuit, amplifying circuit and output circuit; Described RC filtered electrical routing resistance R7 and electric capacity C3 forms, described amplifying circuit comprises the multiple tube, inductance L 2 and the electric capacity C4 that are made up of triode VQ5 and triode VQ6, described output circuit comprises filter capacitor C5 and LED group, the base stage of the output connecting triode VQ5 of described RC filter circuit, the base stage of connecting triode VQ6 after the emitter series inductance L2 of described triode VQ5, the base stage of described triode VQ6 is by electric capacity C4 ground connection, and the emitter of described triode VQ6 connects output circuit.
5. a kind of solar LED (Light Emitting Diode) lamp according to claim 1 is without frequent flashing control circuit, it is characterized in that, also comprises Cross prevention resistance R6, and one end of described Cross prevention resistance R6 is connected with the base stage of triode VQ3, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744941.1U CN204291484U (en) | 2014-12-01 | 2014-12-01 | A kind of solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744941.1U CN204291484U (en) | 2014-12-01 | 2014-12-01 | A kind of solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204291484U true CN204291484U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420744941.1U Expired - Fee Related CN204291484U (en) | 2014-12-01 | 2014-12-01 | A kind of solar LED (Light Emitting Diode) lamp is without frequent flashing control circuit |
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| Country | Link |
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| CN (1) | CN204291484U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188221A (en) * | 2015-09-15 | 2015-12-23 | 欧普照明股份有限公司 | LED drive circuit |
| CN112467855A (en) * | 2020-10-26 | 2021-03-09 | 成都华体慧城科技有限公司 | Wisdom street lamp system |
-
2014
- 2014-12-01 CN CN201420744941.1U patent/CN204291484U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188221A (en) * | 2015-09-15 | 2015-12-23 | 欧普照明股份有限公司 | LED drive circuit |
| CN112467855A (en) * | 2020-10-26 | 2021-03-09 | 成都华体慧城科技有限公司 | Wisdom street lamp system |
| CN112467855B (en) * | 2020-10-26 | 2021-10-22 | 成都华体慧城科技有限公司 | Wisdom street lamp system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151201 |
|
| EXPY | Termination of patent right or utility model |