CN105338711A - LED lamp with variable brightness - Google Patents
LED lamp with variable brightness Download PDFInfo
- Publication number
- CN105338711A CN105338711A CN201510860194.7A CN201510860194A CN105338711A CN 105338711 A CN105338711 A CN 105338711A CN 201510860194 A CN201510860194 A CN 201510860194A CN 105338711 A CN105338711 A CN 105338711A
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- CN
- China
- Prior art keywords
- led
- led lamp
- buck controller
- dimmable
- housing
- 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.)
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Abstract
The invention discloses an LED lamp with variable brightness. The LED lamp comprises an LED lamp set (1) and a shell capable of containing the LED lamp set (1). The LED lamp set (1) comprises a plurality of LED lamps connected in parallel, a current input end and a current output end are arranged at the two ends of the LED lamp set (1), a brightness adjusting device is arranged in the shell and comprises an inducting and detecting resistor (3), a voltage reducing controller (2) and a level shifter (4) which are arranged at the output end, the inducting and detecting resistor (3) is connected with the voltage reducing controller (2) in parallel, the voltage reducing controller (2) is connected with the level shifter (4) in series, and the voltage reducing controller (2) is grounded. Compared with the prior art, the LED lamp with variable brightness is simple in structure, low in duty ratio and low in cost, and is widely used as LED lamps requiring no high-speed response.
Description
Technical field
The present invention relates to a kind of LED of Dimmable.
Background technology
The LED employing of existing variable-brightness is carried out digitally coded method to analog signal level and is carried out, do not require in the application of high-speed response at some, digitally coded method cost carries out to analog signal level very high, circuit structure is complicated, being of wide application of current LED, be in great demand, how make LED cost reduction and structure while the amount of satisfying the demands be simply the technical problem continuing at present to solve.
Summary of the invention
The present invention is intended to solve above-mentioned mentioned technical problem, provides a kind of LED of Dimmable.
The present invention is realized by following technical scheme: a kind of LED of Dimmable, comprise LED group and can the housing of accommodating LED group, LED group comprises several LED be arranged in parallel, the two ends of LED group arrange current input terminal and output, brightness regulating apparatus is provided with in housing, brightness regulating apparatus comprises the induction being arranged on output and detects resistor, buck controller and level translator, it is in parallel with buck controller that induction detects resistor, buck controller is connected with level translator, described buck controller ground connection.
Preferably, shell inner surface is provided with the condensing film that light-concentrating material is made.
Preferably, buck controller adopts integrated FET buck controller.
Preferably, housing outer surface is provided with ON/OFF transducer, and described ON/OFF transducer comprises start-up capacitance device, and start-up capacitance device is started by short circuit manner.
Preferably, housing is outside equipped with the knob of control input end and/or output end voltage.
Beneficial effect is: compared with prior art, and the LED lamp structure of a kind of Dimmable of the present invention is simple, duty ratio is low, cost is low, is widely used in the LED not requiring high-speed response.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the connection diagram of LED group output.
Embodiment
As shown in Figure 1, the LED of a kind of Dimmable of the present embodiment comprises LED group 1 and can the housing of accommodating LED group 1, the pallet of support LED group 1 and the glass cover of closure casing is provided with in housing, LED group 1 comprises several LED be arranged in parallel, these LED are preferably the different LED of color, can be used for decoration or reconcile atmosphere, the two ends of LED group 1 are provided with current input terminal and output, brightness regulating apparatus is provided with in housing, brightness regulating apparatus comprises the induction being arranged on output and detects resistor 3, buck controller 2 and level translator 4, it is in parallel with buck controller 2 that induction detects resistor 3, buck controller 2 is connected with level translator 4, described buck controller 2 ground connection.
Induction detects resistor 3 and controls whole circuit by the feedback detecting both end voltage, buck controller 2 ground connection, level translator 4, for limiting the circuit of buck controller 2 ground connection, makes the rated voltage of buck controller 2 higher than input and output voltage sum.
Shell inner surface is provided with the condensing film that light-concentrating material is made, for increasing the brightness of LED, for vehicle-mounted LED lamp or other illuminating LED lamps.
Buck controller 2 adopts integrated FET buck controller 2, and the component count realized thus needed for buck functionality reduces, and reduces overall cost.
Housing outer surface is provided with ON/OFF transducer, and described ON/OFF transducer comprises start-up capacitance device, and start-up capacitance device is started by short circuit manner.Housing is outside equipped with the knob of control input end and/or output end voltage.
Above embodiment is only not limited in order to technical scheme of the present invention to be described, all do not depart from spirit and scope of the invention any amendment or equivalently to replace, it all should be encompassed in the scope of technical solution of the present invention.
Claims (5)
1. the LED of a Dimmable, comprise LED group (1) and can the housing of accommodating LED group (1), it is characterized in that, LED group (1) comprises several LED be arranged in parallel, the two ends of LED group (1) are provided with current input terminal and output, brightness regulating apparatus is provided with in housing, brightness regulating apparatus comprises the induction being arranged on output and detects resistor (3), buck controller (2) and level translator (4), it is in parallel with buck controller (2) that induction detects resistor (3), buck controller (2) is connected with level translator (4), described buck controller (2) ground connection.
2. the LED of a kind of Dimmable according to claim 1, is characterized in that, described shell inner surface is provided with the condensing film that light-concentrating material is made.
3. the LED of a kind of Dimmable according to claim 1, is characterized in that, described buck controller (2) adopts integrated FET buck controller (2).
4. the LED of a kind of Dimmable according to claim 1, is characterized in that, described housing outer surface is provided with ON/OFF transducer, and described ON/OFF transducer comprises start-up capacitance device, and start-up capacitance device is started by short circuit manner.
5. the LED of a kind of Dimmable according to claim 1, is characterized in that, described housing is outside equipped with the knob of control input end and/or output end voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860194.7A CN105338711A (en) | 2015-11-30 | 2015-11-30 | LED lamp with variable brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860194.7A CN105338711A (en) | 2015-11-30 | 2015-11-30 | LED lamp with variable brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105338711A true CN105338711A (en) | 2016-02-17 |
Family
ID=55288876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510860194.7A Pending CN105338711A (en) | 2015-11-30 | 2015-11-30 | LED lamp with variable brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105338711A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813347A (en) * | 2016-03-22 | 2016-07-27 | 太仓诚泽网络科技有限公司 | Vehicle-mounted illuminating system capable of realizing lamplight intensity changes through intelligent simulative replacement way |
| CN106028528A (en) * | 2016-06-27 | 2016-10-12 | 安庆市奥立德光电有限公司 | Brightness adjustable LED lamp |
Citations (9)
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| CN101815388A (en) * | 2010-05-31 | 2010-08-25 | 海洋王照明科技股份有限公司 | Led lamp control circuit and led lamp |
| CN102231927A (en) * | 2011-06-17 | 2011-11-02 | 四川仪岛科技有限公司 | LED module driving power |
| CN103179717A (en) * | 2011-12-20 | 2013-06-26 | 海洋王照明科技股份有限公司 | LED (light emitting diode) dimming control circuit and LED lighting |
| KR101325929B1 (en) * | 2013-06-28 | 2013-11-07 | 우성엘이디조명 주식회사 | Led lamp for board |
| CN203504842U (en) * | 2013-10-15 | 2014-03-26 | 湖州太源绿能科技有限公司 | Brightness-adjustable touch-control LED lamp |
| CN203523109U (en) * | 2013-10-22 | 2014-04-02 | 柳州天运寰通科技有限公司 | LED automobile headlight with adjustable brightness and adjustable color temperature |
| CN104066260A (en) * | 2014-07-17 | 2014-09-24 | 矽力杰半导体技术(杭州)有限公司 | LED detecting circuit, driving circuit and lighting system |
| CN204031559U (en) * | 2014-08-26 | 2014-12-17 | 江苏省锡山中等专业学校 | A kind of mini light night control circuit |
| CN104302065A (en) * | 2014-10-31 | 2015-01-21 | 浙江大学 | LED driver with automatic temperature regulating and compensating function |
-
2015
- 2015-11-30 CN CN201510860194.7A patent/CN105338711A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101815388A (en) * | 2010-05-31 | 2010-08-25 | 海洋王照明科技股份有限公司 | Led lamp control circuit and led lamp |
| CN102231927A (en) * | 2011-06-17 | 2011-11-02 | 四川仪岛科技有限公司 | LED module driving power |
| CN103179717A (en) * | 2011-12-20 | 2013-06-26 | 海洋王照明科技股份有限公司 | LED (light emitting diode) dimming control circuit and LED lighting |
| KR101325929B1 (en) * | 2013-06-28 | 2013-11-07 | 우성엘이디조명 주식회사 | Led lamp for board |
| CN203504842U (en) * | 2013-10-15 | 2014-03-26 | 湖州太源绿能科技有限公司 | Brightness-adjustable touch-control LED lamp |
| CN203523109U (en) * | 2013-10-22 | 2014-04-02 | 柳州天运寰通科技有限公司 | LED automobile headlight with adjustable brightness and adjustable color temperature |
| CN104066260A (en) * | 2014-07-17 | 2014-09-24 | 矽力杰半导体技术(杭州)有限公司 | LED detecting circuit, driving circuit and lighting system |
| CN204031559U (en) * | 2014-08-26 | 2014-12-17 | 江苏省锡山中等专业学校 | A kind of mini light night control circuit |
| CN104302065A (en) * | 2014-10-31 | 2015-01-21 | 浙江大学 | LED driver with automatic temperature regulating and compensating function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813347A (en) * | 2016-03-22 | 2016-07-27 | 太仓诚泽网络科技有限公司 | Vehicle-mounted illuminating system capable of realizing lamplight intensity changes through intelligent simulative replacement way |
| CN106028528A (en) * | 2016-06-27 | 2016-10-12 | 安庆市奥立德光电有限公司 | Brightness adjustable LED lamp |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |
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| RJ01 | Rejection of invention patent application after publication |