CN205793536U - Illumination LED bright-dark circuit - Google Patents
Illumination LED bright-dark circuit Download PDFInfo
- Publication number
- CN205793536U CN205793536U CN201620612261.3U CN201620612261U CN205793536U CN 205793536 U CN205793536 U CN 205793536U CN 201620612261 U CN201620612261 U CN 201620612261U CN 205793536 U CN205793536 U CN 205793536U
- Authority
- CN
- China
- Prior art keywords
- audion
- resistance
- circuit
- illumination led
- bright
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The utility model discloses a kind of illumination LED bright-dark circuit, including transformator, the current rectifying and wave filtering circuit being connected with transformator and the illumination LED light fixture being connected with current rectifying and wave filtering circuit, control switch and unilateral diode series circuit it is additionally provided with between the positive pole and illumination LED light fixture of current rectifying and wave filtering circuit, bright-dark control circuit it is provided with between current rectifying and wave filtering circuit and illumination LED light fixture, bright-dark control circuit includes the first electric capacity, second electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, first audion, second audion and the 3rd audion.Simple in construction of the present utility model, it is provided with bright-dark circuit, make LED lamp to be made gradually to brighten or the most dimmed after switch Guan Bi or disconnection, improve the service life of LED lamp, can effectively solve conventional art LED neither one buffer structure thus the technical deficiency in LED lamp service life can be affected.
Description
Technical field
This utility model relates to illumination LED circuit engineering field, particularly to a kind of illumination LED bright-dark circuit.
Background technology
Society now, LED lamp is widely used to lighting of home and decoration, but major part light fixture be all i.e. open the brightest i.e.
Closing the type that i.e. goes out, open light fixture has powerful rush of current LED every time the most repeatedly, in the service life of the LED lamp that not only detracts, also can
Human eye is damaged, how to allow LED carry out certain buffering Push And Release when, this just design is proposed one great
Challenge.
Utility model content
The illumination LED bright-dark that main purpose of the present utility model is to provide a kind of simple in construction, stability in use is good
Circuit, it is intended to solve conventional art LED neither one buffer structure thus the technology in LED lamp service life can be affected not
Foot.
The utility model proposes a kind of illumination LED bright-dark circuit, be connected with described transformator including transformator
Current rectifying and wave filtering circuit and the illumination LED light fixture being connected with described current rectifying and wave filtering circuit, at the positive pole of described current rectifying and wave filtering circuit
And it is additionally provided with control switch and unilateral diode series circuit between illumination LED light fixture, at described current rectifying and wave filtering circuit with described
Being additionally provided with bright-dark control circuit between illumination LED light fixture, described bright-dark control circuit includes the first electric capacity, the second electricity
Appearance, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first audion, the two or three pole
Pipe and the 3rd audion, one end of described first electric capacity is connected to the negative pole other end of unilateral diode and is connected to ground wire, described
Being in parallel with described first electric capacity after first resistance and the 6th resistant series, the base stage of described first audion is connected to the first electricity
Resistance is with on the junction point of the 6th resistance, and the emitter stage of described first audion is connected to the negative of unilateral diode by the second resistance
Extremely going up, the colelctor electrode of described first audion and the base stage of the second audion are connected, and the emitter stage of described second audion connects
Ground wire, the colelctor electrode of described second audion is connected by the base stage of the 3rd resistance and the 3rd audion, described three or three pole
The colelctor electrode of pipe is connected with the positive pole of illumination LED light fixture by the 5th resistance, and the emitter stage of described 3rd audion is connected to
Current rectifying and wave filtering circuit with on the junction point controlling switch, described 4th resistance be connected to the emitter stage of the 3rd audion and base stage it
Between, described second electric capacity is connected between emitter stage and the ground wire of the first audion.
Described first audion and the 3rd audion are PNP type triode, and described second audion is NPN type three pole
Pipe.
Described first electric capacity and the second electric capacity are electrochemical capacitor.
Simple in construction of the present utility model, it is provided with bright-dark circuit, makes to make LED in switch Guan Bi or after disconnecting
Tool gradually brightens or the most dimmed, improves the service life of LED lamp to a certain extent, can effectively solve conventional art LED
Lamp neither one buffer structure thus the technical deficiency in LED lamp service life can be affected, stability in use is good and the suitability is strong.
Accompanying drawing explanation
Fig. 1 is embodiment schematic diagram of the present utility model.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this
Utility model.
With reference to Fig. 1, an embodiment of the present utility model proposed, a kind of illumination LED bright-dark circuit, including transformator 1,
The current rectifying and wave filtering circuit 2 being connected with described transformator 1 and the illumination LED light fixture 3 being connected with described current rectifying and wave filtering circuit 2,
Control switch SW1 and unilateral diode D1 string it is additionally provided with between the positive pole and illumination LED light fixture 3 of described current rectifying and wave filtering circuit 2
Connection circuit, is additionally provided with bright-dark control circuit 4 between described current rectifying and wave filtering circuit 2 and described illumination LED light fixture 3, described
Bright-dark control circuit 4 include the first electric capacity C1, the second electric capacity C2, the first resistance R1, the second resistance R2, the 3rd resistance R3,
4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first audion Q1, the second audion Q2 and the 3rd audion Q3, described
One end of first electric capacity C1 is connected to the negative pole other end of unilateral diode D1 and is connected to ground wire, described first resistance R1 and the 6th
Being in parallel with described first electric capacity C1 after resistance R6 series connection, the base stage of described first audion Q1 is connected to the first resistance R1 and the
On the junction point of six resistance R6, the emitter stage of described first audion Q1 is connected to unilateral diode D1's by the second resistance R2
On negative pole, the colelctor electrode of described first audion Q1 and the base stage of the second audion Q2 are connected, described second audion Q2's
Grounded emitter line, the colelctor electrode of described second audion Q2 is connected by the base stage of the 3rd resistance R3 and the 3rd audion Q3
Connecing, the colelctor electrode of described 3rd audion Q3 is connected with the positive pole of illumination LED light fixture 3 by the 5th resistance R5, and the described 3rd
The emitter stage of audion Q3 is connected to current rectifying and wave filtering circuit 2 and controls to switch on the junction point of SW1, and described 4th resistance R4 connects
Between emitter stage and the base stage of the 3rd audion Q3, described second electric capacity C2 is connected to emitter stage and the ground of the first audion Q1
Between line.
Described first audion and the 3rd audion are PNP type triode, and described second audion is NPN type three pole
Pipe.
Described first electric capacity and the second electric capacity are electrochemical capacitor.
Circuit passes through transformator T1, arranges bridge heap D and electric capacity C, High Level AC Voltage is changed into low-voltage dc power supply, for shining
Bright LED provides constant voltage source；When switch SW1 is off, audion Q1, Q2, Q3, all in closed mode, shine
Bright LED is turn-off；After SW1 closes, electric capacity C2 is charged by power supply by diode D, resistance R2, audion Q1
Emitter voltage gradually rises, and when emitter voltage is gradually higher than base voltage, Q1 ducting capacity gradually strengthens, along with Q1's
Being gradually turned on, audion Q2, Q3 are also gradually turned on, and finally reach saturation, and therefore illuminating LED lamp is the most gradually lighted, finally
Reach light state；Regulation R1, the value of R2, R6, C2, the length of adjustable illuminating LED ignition buffer time；
After closing SW1, electric capacity C1 passes through resistance Q1, R2, R6, provides bias voltage and electric current for Q, and Q1 will not close immediately
Closing, along with the continuous decline of C1 electricity, Q1 ducting capacity is also gradually reduced, and causes Q2, Q3 ducting capacity also with decline, illumination
LED is the most dimmed so that finally closing；Regulation C1, the value of R1, R2, R6, adjustable illuminating LED closing process buffer time
Length；
Simple in construction of the present utility model, it is provided with bright-dark circuit, makes to make LED in switch Guan Bi or after disconnecting
Tool gradually brightens or the most dimmed, improves the service life of LED lamp to a certain extent, can effectively solve conventional art LED
Lamp neither one buffer structure thus the technical deficiency in LED lamp service life can be affected, stability in use is good and the suitability is strong.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalent structure transformation utilizing this utility model description and accompanying drawing content to be made, or directly or indirectly it is used in other phases
The technical field closed, is the most in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. an illumination LED bright-dark circuit, the current rectifying and wave filtering circuit being connected with described transformator including transformator and with
The illumination LED light fixture that described current rectifying and wave filtering circuit is connected, between the positive pole and illumination LED light fixture of described current rectifying and wave filtering circuit
It is additionally provided with control switch and unilateral diode series circuit, it is characterised in that: at described current rectifying and wave filtering circuit and described illumination LED
Be additionally provided with bright-dark control circuit between light fixture, described bright-dark control circuit include the first electric capacity, the second electric capacity, first
Resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first audion, the second audion and the 3rd
Audion, one end of described first electric capacity is connected to the negative pole other end of unilateral diode and is connected to ground wire, described first resistance
Being in parallel with described first electric capacity with after the 6th resistant series, the base stage of described first audion is connected to the first resistance and the 6th
On the junction point of resistance, the emitter stage of described first audion is connected on the negative pole of unilateral diode by the second resistance, institute
The base stage of the colelctor electrode and the second audion of stating the first audion is connected, the grounded emitter line of described second audion, institute
The colelctor electrode stating the second audion is connected by the base stage of the 3rd resistance and the 3rd audion, the current collection of described 3rd audion
Pole is connected with the positive pole of illumination LED light fixture by the 5th resistance, and the emitter stage of described 3rd audion is connected to rectifying and wave-filtering
Circuit is with on the junction point controlling switch, and described 4th resistance is connected between emitter stage and the base stage of the 3rd audion, described
Second electric capacity is connected between emitter stage and the ground wire of the first audion.
Illumination LED bright-dark circuit the most according to claim 1, it is characterised in that: described first audion and the 3rd
Audion is PNP type triode, and described second audion is NPN type triode.
Illumination LED bright-dark circuit the most according to claim 2, it is characterised in that: described first electric capacity and the second electricity
Hold and be electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620612261.3U CN205793536U (en) | 2016-06-21 | 2016-06-21 | Illumination LED bright-dark circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620612261.3U CN205793536U (en) | 2016-06-21 | 2016-06-21 | Illumination LED bright-dark circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205793536U true CN205793536U (en) | 2016-12-07 |
Family
ID=58132444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620612261.3U Active CN205793536U (en) | 2016-06-21 | 2016-06-21 | Illumination LED bright-dark circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205793536U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135570A (en) * | 2017-04-18 | 2017-09-05 | 中国科学院半导体研究所 | The adjustable visible light communication LED/light source of modulation bandwidth |
| CN107801275A (en) * | 2017-11-20 | 2018-03-13 | 中山驰马灯饰照明设计工程有限公司 | A kind of warm white anti-dazzling LED |
| CN111009946A (en) * | 2019-12-25 | 2020-04-14 | 广东金莱特电器股份有限公司 | Lamp and battery over-discharge control circuit and method |
-
2016
- 2016-06-21 CN CN201620612261.3U patent/CN205793536U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135570A (en) * | 2017-04-18 | 2017-09-05 | 中国科学院半导体研究所 | The adjustable visible light communication LED/light source of modulation bandwidth |
| CN107135570B (en) * | 2017-04-18 | 2019-08-13 | 中国科学院半导体研究所 | The adjustable visible light communication LED light source of modulation bandwidth |
| CN107801275A (en) * | 2017-11-20 | 2018-03-13 | 中山驰马灯饰照明设计工程有限公司 | A kind of warm white anti-dazzling LED |
| CN111009946A (en) * | 2019-12-25 | 2020-04-14 | 广东金莱特电器股份有限公司 | Lamp and battery over-discharge control circuit and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205793536U (en) | Illumination LED bright-dark circuit | |
| CN105338690B (en) | A kind of LED dimming power sources | |
| CN205142595U (en) | Light -operated LED street lamp | |
| CN105338685B (en) | Multimedia touch control type switch panel | |
| CN206713108U (en) | The gradually dark gradually bright processing unit of LED constant current circuit based on indoor lamp gate shelves | |
| CN104470034A (en) | Brightness automatic control circuit of LED table lamp | |
| CN204518184U (en) | A kind of time-delay desk lamp circuit | |
| CN202374523U (en) | Light emitting diode (LED) human body induction lamp | |
| CN202603013U (en) | Automatic desk lamp | |
| CN205336586U (en) | Lighting circuit and remote controller | |
| CN205510457U (en) | Simple and practical's LED mirror front lamp | |
| CN205648088U (en) | Light -operated automatic dimmer circuit | |
| CN102300361B (en) | LED (light emitting diode) electric torch manufactured by one battery | |
| CN201114883Y (en) | Peach tree lamp controller | |
| CN204498431U (en) | A kind of light-operated LED illuminating lamp | |
| CN204887595U (en) | Many touch -controls LED corridor lamp | |
| CN205320355U (en) | Anti -interference time delay light of high accuracy | |
| CN209517561U (en) | A kind of LED lamp with light control functionality | |
| CN2739918Y (en) | Light-operated night lamp | |
| CN106714375A (en) | Control circuit for intelligent light-operated eye protection desk lamp | |
| CN206024152U (en) | A kind of home intelligent eye protection LED controller | |
| CN202077244U (en) | Light-emitting diode (LED) flashlight manufactured by one battery | |
| CN204836674U (en) | Light sense power saving circuit | |
| CN207665238U (en) | A kind of time delayed turn-off LED illumination lamp | |
| CN2814891Y (en) | Dimming circuit for integrated energy-saving lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |