CN201319685Y - Adjustable time control LED driver - Google Patents
Adjustable time control LED driver Download PDFInfo
- Publication number
- CN201319685Y CN201319685Y CNU2008201807198U CN200820180719U CN201319685Y CN 201319685 Y CN201319685 Y CN 201319685Y CN U2008201807198 U CNU2008201807198 U CN U2008201807198U CN 200820180719 U CN200820180719 U CN 200820180719U CN 201319685 Y CN201319685 Y CN 201319685Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- time control
- time
- light adjusting
- output interface
- 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.)
- Expired - Fee Related
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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 relates to an adjustable time control LED driver, which aims to provide an adjustable time control LED driver which can be operated at definite time and has the function of adjusting the brightness of light. The driver comprises a power circuit, a control circuit and an output interface, wherein the input end of the power circuit is connected with the commercial power, and the output end thereof is connected with related circuits. The driver is characterized in that the control circuit comprises a time control circuit, a light adjusting circuit and a constant current circuit, the time control circuit is connected with the light adjusting circuit, the light adjusting circuit is connected with the constant current circuit, the constant current circuit is connected with the output interface, and the output interface is connected with the LED lamp string.
Description
Technical field
The utility model relates to a kind of led driver, especially a kind of time control adjustable LED driver.
Background technology
The LED light fixture is constantly promoted and is applied to the normal lighting field in recent years as a kind of energy-saving and environmental protection, small size and long-life new type light source.Because the LED light fixture can not directly use civil power work, must add drive circuit in addition, this electric equipment products that have led drive circuit claim led driver, it includes power circuit, control circuit and output interface, power circuit connects the civil power input, output interface connects LED lamp string, and LED lamp string can be in parallel, series connection or and go here and there series-parallel connection.But the led driver of prior art only has the emission control circuit of LED lamp itself, for example billboard, baby's affairs prompt at night etc. can not be carried out for some LED light fixtures that need timing working, and can not carry out the adjusting of brightness as required, its added value is low, and this is its shortcoming.
The utility model content
The purpose of this utility model is to provide the configuration switch lamp time as required, also can set a kind of time control adjustable LED driver of the brightness of LED light fixture according to actual conditions.
The technical scheme that its technical problem that solves the utility model adopts is: include power circuit, control circuit, output interface, power circuit input and civil power join, power circuit output end is connected with each interlock circuit, it is characterized in that: control circuit, light adjusting circuit, constant-current circuit when control circuit includes, the time control circuit be connected with light adjusting circuit, light adjusting circuit is connected with constant-current circuit, constant-current circuit is connected with output interface, and output interface and LED lamp polyphone connect.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
Among the figure: 1 be power circuit, 2 for control circuit, 21 for the time control circuit, 22 for light adjusting circuit, 23 for constant-current circuit, 3 for output interface, 4 for LED lamp string.
Embodiment
Referring to accompanying drawing, the utility model includes power circuit 1, control circuit 2, output interface 3, power circuit 1 input joins with civil power, output is connected with each interlock circuit, it is characterized in that: control circuit 21, light adjusting circuit 22, constant-current circuit 23 when described control circuit 2 includes, the time control circuit 21 be connected with light adjusting circuit 22, light adjusting circuit 22 is connected with constant-current circuit 23, constant-current circuit 23 is connected with output interface 3, and output interface 3 is connected with LED lamp string 4.The utility model belongs to component invention, and control circuit 21 at that time, adopts mcu programming to realize that this is a mature technique to those skilled in the art.In a non-limiting enforcement of the present utility model, adopted time control circuit 21 shown in Figure 2, this the time control circuit 21 are time control module I C3 that comprise electronic clock circuit and time setting circuit, the control signal of time control module I C3 outputs to an input of light adjusting circuit, be provided with liquid crystal display clock LCD in the time control module I C3, by control on-mode key 0, adjust key 2, setting key 3, mode key 1 is closed in control, adjust key 4, setting key 5 is set logical automatically, power-off time, in order not had a power failure to the influence of real-time time, this time control module I C3 uses independently supplying cell V power supply.In this embodiment, the EDM Generator of Adjustable Duty Ratio oscillating circuit that light adjusting circuit has adopted pulse-width modulation circuit to form, the duty ratio of regulating voltage pulse output, thus the burning time of control LED lamp string is regulated its luminosity.Its duty ratio size is regulated by the time basic IC1 that is connected on the IC2 control end, and described time-base circuit IC1 can adopt for example CE555 time-base integrated circuit.Wide arteries and veins modulator IC2 can adopt for example TL494 pulse width modulation controlled integrated circuit.Pulse width modulator IC2 exports square-wave pulse, and after constant-current circuit 23 (triode BG) constant current, by output interface 3 outputs, it is luminous to promote LED lamp string assembly.Triode BG forms constant-current circuit (23).Preferably, described BG can be high-power switch tube or high-power CMOS pipe.
The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (3)
1, a kind of time control adjustable LED driver includes power circuit (1), control circuit (2), output interface (3), and power circuit (1) input and civil power join; Output is connected with each interlock circuit, it is characterized in that: described control circuit (2) is control circuit (21), light adjusting circuit (22), constant-current circuit (23) when including, the time control circuit (21) be connected with light adjusting circuit (22), light adjusting circuit (22) is connected with constant-current circuit (23), constant-current circuit (23) is connected with output interface (3), and output interface (3) is connected with LED lamp string (4).
2, a kind of time control adjustable LED driver according to claim 1, it is characterized in that: the time control circuit (21) be a time control module that comprises electronic clock circuit and time setting circuit, the control signal of time control module outputs to an input of light adjusting circuit, is provided with liquid crystal display clock LCD in the time control module.
3, a kind of time control adjustable LED driver according to claim 1 and 2 is characterized in that: light adjusting circuit (22) is the EDM Generator of Adjustable Duty Ratio oscillating circuit that pulse-width modulation circuit is formed, base when including (IC1), wide arteries and veins modulator (IC2); Base in the time of wherein (IC1) uses time-base integrated circuit, and wide arteries and veins modulator (IC2) adopts the pulse width modulation controlled integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201807198U CN201319685Y (en) | 2008-12-05 | 2008-12-05 | Adjustable time control LED driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201807198U CN201319685Y (en) | 2008-12-05 | 2008-12-05 | Adjustable time control LED driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319685Y true CN201319685Y (en) | 2009-09-30 |
Family
ID=41198442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201807198U Expired - Fee Related CN201319685Y (en) | 2008-12-05 | 2008-12-05 | Adjustable time control LED driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319685Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619108A (en) * | 2013-12-10 | 2014-03-05 | 上思县东岽电子科技有限责任公司 | Solar LED floodlight drive power supply module capable of automatically adjusting light |
-
2008
- 2008-12-05 CN CNU2008201807198U patent/CN201319685Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619108A (en) * | 2013-12-10 | 2014-03-05 | 上思县东岽电子科技有限责任公司 | Solar LED floodlight drive power supply module capable of automatically adjusting light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20090930 Termination date: 20101205 |