CN203934042U - A kind of high-powered LED lamp dimming control system - Google Patents
A kind of high-powered LED lamp dimming control system Download PDFInfo
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- CN203934042U CN203934042U CN201420221756.4U CN201420221756U CN203934042U CN 203934042 U CN203934042 U CN 203934042U CN 201420221756 U CN201420221756 U CN 201420221756U CN 203934042 U CN203934042 U CN 203934042U
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Abstract
The utility model relates to great power LED lamp control system, a kind of high-powered LED lamp dimming control system is disclosed, comprise input module, rectifying and voltage-stabilizing module, light-adjusting module, LED driver, output module and LED lamp group, described input module is connected with high-voltage ac power, described rectifying and voltage-stabilizing module is connected input module with LED driver, described light-adjusting module is connected with LED driver, and described output module is connected LED driver with LED lamp group.The high-powered LED lamp dimming control system that the utility model provides; safe and reliable on the basis that has reduced overall dimensions; be provided with the overheat protector of derate function; predictability and the reliability in system works life-span have been improved; dimming scope can reach 1% to 100% flicker free all; service behaviour dimming scope is wide and voltage stabilization and current stabilization is combined as a whole effectively, thereby is beneficial to combination property and the market competitiveness that improves high-powered LED lamp.
Description
[technical field]
The utility model relates to great power LED lamp control system, particularly a kind of high-powered LED lamp dimming control system.
[background technology]
Just at present, LED lighting is the general designation of LED light fixture, and along with the further maturation of LED technology, LED will obtain how better development at the room lighting Design of Luminaires development field.The room Design of Luminaires of 21 century will be to take LED Design of Luminaires as main flow, fully demonstrates the illumination development trend of energy-saving, health, art up and hommization simultaneously, becomes the leading of room light culture.In new century, LED lighting will illuminate everyone room, changes everyone life, becomes once great change of light fixture development and Design.
Development and maturation along with LED technology, the technology that current great power LED luminous flux reaches 80lm/w is very stable, 100lm/w is also popularizing market, the trend that has greatly alternative ordinary incandescent lamp, but the subject matter that restriction great power LED popularizes is the defect that control system exists: existing control system is divided into central control system and dimmer, wherein, the advantage of central control system is safe and reliable, the surge that external shock is brought can effectively be controlled with impact, and shortcoming is the adjustment that can only carry out the unlatching of LED lamp or close; The advantage of dimmer is that volume is small and exquisite, to LED lamp, can carry out the adjusting that scope is larger, and electric leakage and inverse electromotive force that shortcoming produces while being in the face of the work of LED lamp cannot adopt appropriate measures, and even can cause high-powered LED lamp damaged.
[utility model content]
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art; a kind of high-powered LED lamp dimming control system is provided, and it is intended to solve the regulating system for high-powered LED lamp in prior art and cannot realizes luminous flux adjusting on a large scale or cannot realize the technical problem that real-time voltage stabilization and current stabilization is protected.
For achieving the above object, the utility model proposes a kind of high-powered LED lamp dimming control system, comprise input module, rectifying and voltage-stabilizing module, light-adjusting module, LED driver, output module and LED lamp group, described input module is connected with high-voltage ac power, described rectifying and voltage-stabilizing module is connected input module with LED driver, described light-adjusting module is connected with LED driver, and described output module is connected LED driver with LED lamp group;
Described input module comprises thermal-shutdown circuit, overvoltage crowbar and AC/DC changeover switch; Described rectifying and voltage-stabilizing module comprises the first rectification circuit, constant current voltage stabilizing circuit and clamper absorbing circuit; Described light-adjusting module comprises 0-10V dimming interface, amplifying circuit and oscillating circuit; Described output module is provided with the second rectification circuit;
The input of described thermal-shutdown circuit is connected with high-voltage ac power, described overvoltage crowbar is located between thermal-shutdown circuit and AC/DC changeover switch, output one tunnel of described AC/DC changeover switch is connected with the input of the first rectification circuit, another road is connected with the input of LED driver, output one tunnel of described the first rectification circuit is connected with the power end of LED driver, another road is connected with the input of clamper absorbing circuit, the output of described clamper absorbing circuit is connected with the flyback converter induction end of LED driver, described clamper absorbing circuit is connected with the second rectification circuit by flyback transformer T2 together with constant current voltage stabilizing circuit, described the second rectification circuit is connected with LED lamp group.
As preferably, the input of described amplifying circuit is connected with 0-10V dimming interface, described amplifying circuit is connected with oscillating circuit by positive activation type transformer T3, the input of described oscillating circuit is connected with the transformation output of LED driver, and the output of described oscillating circuit is connected with the light modulation end of LED driver.
As preferably, described oscillating circuit is RC connection in series-parallel frequency selection circuit.
As preferably, the input of described constant current voltage stabilizing circuit is connected with the earth terminal of LED driver, and the output of described constant current voltage stabilizing circuit is connected with the flyback voltage induced end of LED driver.
As preferably, described the first rectification circuit is provided with flyback transformer T1, and the primary coil of described flyback transformer T1 is connected with the pressurization induction end of LED driver, and the secondary coil of described flyback transformer T1 is connected with the transformation feedback end of LED driver.
As preferably, the pressurization feedback end of described LED driver is connected with the first rectification circuit, minute pressure side of described LED driver is connected with the input of LED driver by NPN type triode Q3, the pressurization output of described LED driver is connected with the pressurization induction end of LED driver by NPN type triode Q2, and the flyback output of described LED driver is connected with clamper absorbing circuit by field effect transistor Q1.
As preferably, what described clamper absorbing circuit comprised ground connection has polar capacitor C2, capacitor C 3, a resistance R 23 and R12 and diode D4 parallel with one another.
The beneficial effects of the utility model: compared with prior art; the high-powered LED lamp dimming control system that the utility model provides; safe and reliable on the basis that has reduced overall dimensions; be provided with the overheat protector of derate function; predictability and the reliability in system works life-span have been improved; dimming scope can reach 1% to 100% flicker free all, is effectively combined as a whole with the service behaviour of voltage stabilization and current stabilization dimming scope is wide, thereby is beneficial to combination property and the market competitiveness of raising high-powered LED lamp.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structure principle chart of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the circuit theory diagrams of light-adjusting module in the utility model embodiment;
Fig. 4 is the circuit theory diagrams of the utility model embodiment.
[embodiment]
For making the purpose of this utility model, technical scheme and advantage more cheer and bright, below by accompanying drawing and embodiment, the utility model is further elaborated.But should be appreciated that, specific embodiment described herein only, in order to explain the utility model, is not limited to scope of the present utility model.In addition, in the following description, omitted the description to known configurations and technology, to avoid unnecessarily obscuring concept of the present utility model.
Consult Fig. 1, the utility model embodiment provides a kind of high-powered LED lamp dimming control system, it is characterized in that: comprise input module 1, rectifying and voltage-stabilizing module 2, light-adjusting module 3, LED driver 4, output module 5 and LED lamp group 6, input module 1 is connected with high-voltage ac power, rectifying and voltage-stabilizing module 2 is connected input module 1 with LED driver 4, light-adjusting module 3 is connected with LED driver 4, and output module 1 is connected LED driver 4 with LED lamp group 6.
Referring again to Fig. 2, input module 1 comprises thermal-shutdown circuit 11, overvoltage crowbar 12 and AC/DC changeover switch 13, for the interchange of input is changed into the direct current that LED driver can be used; Rectifying and voltage-stabilizing module 2 comprises the first rectification circuit 21, constant current voltage stabilizing circuit 22 and clamper absorbing circuit 23, for the direct current of input module 1 output being carried out to the normal work of rectifying and voltage-stabilizing, assurance LED driver 4; Light-adjusting module 3 comprises 0-10V dimming interface 31, amplifying circuit 32 and oscillating circuit 33, for voltage amplification that the external world is changed and be converted into interchange, and then makes LED driver 4 can regulate the brightness of high-powered LED lamp; Output module 5 is provided with the second rectification circuit 51, and the electric leakage and the peak current that produce when avoiding LED lamp group 6 work exert an influence to whole control system.
Particularly, the input of thermal-shutdown circuit 11 is connected with high-voltage ac power, overvoltage crowbar 12 is located between thermal-shutdown circuit 11 and AC/DC changeover switch 13, output one tunnel of AC/DC changeover switch 13 is connected with the input of the first rectification circuit 21, another road is connected with the input of LED driver 4, output one tunnel of the first rectification circuit 21 is connected with the power end of LED driver 4, another road is connected with the input of clamper absorbing circuit 23, the output of clamper absorbing circuit 23 is connected with the flyback converter induction end of LED driver 4, clamper absorbing circuit 23 is connected with the second rectification circuit 51 by flyback transformer T2 together with constant current voltage stabilizing circuit 22, the second rectification circuit 51 is connected with LED lamp group 6.Embodiment of the present utility model is also provided with the overheat protector of derate function, improves predictability and the reliability in system works life-span.
Referring again to Fig. 3, the input of amplifying circuit 32 is connected with 0-10V dimming interface 31, amplifying circuit 32 is connected with oscillating circuit 33 by positive activation type transformer T3, the input of oscillating circuit 33 is connected with the transformation output of LED driver 4, and the output of oscillating circuit 33 is connected with the light modulation end of LED driver 4.This kind of structure forms alternating current by the variable voltage in the external world after amplifying, boosting, alternating current amplifies again and filtering in oscillating circuit 33, import subsequently LED driver 4 into, and then having guaranteed that dimming scope can reach 1% to 100% flicker free all, service behaviour dimming scope is wide and voltage stabilization and current stabilization is combined as a whole effectively.
Further, oscillating circuit 33 is RC connection in series-parallel frequency selection circuit, and the size of element is dwindled, and is convenient to light-adjusting module 3 and LED driver 4 to combine.
Particularly, the input of constant current voltage stabilizing circuit 22 is connected with the earth terminal of LED driver 4, and the output of constant current voltage stabilizing circuit 22 is connected with the flyback voltage induced end of LED driver 4.
Referring again to Fig. 4; in input module 1, be equipped with induction coil L1 and induction coil L2; when voltage high to certain time (for example, when thundering high impulse ganged up civil power seal in into); induction coil L1 and induction coil L2 reduce pressure, and then safety capacitor C X2 can manifest breakdown conditions, directly intercept whole input total current; circuit is below quit work; at this time, because all electric currents will flow through L1, L2 and CX2, thereby protected whole circuit not damaged.
Particularly, the first rectification circuit 21 is equipped with flyback transformer T1, and the primary coil of flyback transformer T1 is connected with the pressurization induction end of LED driver 4, and the secondary coil of flyback transformer T1 is connected with the transformation feedback end of LED driver 4.
Further, the pressurization feedback end of LED driver 4 is connected with the first rectification circuit 21, minute pressure side of LED driver 4 is connected with the input of LED driver 4 by NPN type triode Q3, the pressurization output of LED driver 4 is connected with the pressurization induction end of LED driver 4 by NPN type triode Q2, and the flyback output of LED driver 4 is connected with clamper absorbing circuit 23 by field effect transistor Q1.
Particularly; what clamper absorbing circuit 23 comprised ground connection has polar capacitor C2, capacitor C 3, a resistance R 23 and R12 and diode D4 parallel with one another; for the protection of LED driver; its concrete principle is as follows: clamper absorbing circuit 23 absorbs the inverse electromotive force at flyback transformer T2 winding two ends; to eliminate self-oscillation, thus Rapid reset, and for transformer, to enter next cycle ready; R12 and C3 have formed a RC charging and discharging circuit, are used for the oppositely electromotive force of accumulation.D4 is for isolation; in the positive half cycle of transformer, make whole loop in off-state; and isallobaric device is while entering negative half period; D4 provides path to clamp circuit again; by electromotive force loop in off-state; fast electromotive force is discharged, thereby reach protection LED driver 4, by spike, do not punctured and damage.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. a high-powered LED lamp dimming control system, it is characterized in that: comprise input module (1), rectifying and voltage-stabilizing module (2), light-adjusting module (3), LED driver (4), output module (5) and LED lamp group (6), described input module (1) is connected with high-voltage ac power, described rectifying and voltage-stabilizing module (2) is connected input module (1) with LED driver (4), described light-adjusting module (3) is connected with LED driver (4), and described output module (1) is connected LED driver (4) with LED lamp group (6), described input module (1) comprises thermal-shutdown circuit (11), overvoltage crowbar (12) and AC/DC changeover switch (13), described rectifying and voltage-stabilizing module (2) comprises the first rectification circuit (21), constant current voltage stabilizing circuit (22) and clamper absorbing circuit (23), described light-adjusting module (3) comprises 0-10V dimming interface (31), amplifying circuit (32) and oscillating circuit (33), described output module (5) is provided with the second rectification circuit (51), the input of described thermal-shutdown circuit (11) is connected with high-voltage ac power, described overvoltage crowbar (12) is located between thermal-shutdown circuit (11) and AC/DC changeover switch (13), output one tunnel of described AC/DC changeover switch (13) is connected with the input of the first rectification circuit (21), another road is connected with the input of LED driver (4), output one tunnel of described the first rectification circuit (21) is connected with the power end of LED driver (4), another road is connected with the input of clamper absorbing circuit (23), the output of described clamper absorbing circuit (23) is connected with the flyback converter induction end of LED driver (4), described clamper absorbing circuit (23) is connected with the second rectification circuit (51) by flyback transformer T2 together with constant current voltage stabilizing circuit (22), described the second rectification circuit (51) is connected with LED lamp group (6).
2. a kind of high-powered LED lamp dimming control system as claimed in claim 1, it is characterized in that: the input of described amplifying circuit (32) is connected with 0-10V dimming interface (31), described amplifying circuit (32) is connected with oscillating circuit (33) by positive activation type transformer T3, the input of described oscillating circuit (33) is connected with the transformation output of LED driver (4), and the output of described oscillating circuit (33) is connected with the light modulation end of LED driver (4).
3. a kind of high-powered LED lamp dimming control system as claimed in claim 2, is characterized in that: described oscillating circuit (33) is RC connection in series-parallel frequency selection circuit.
4. a kind of high-powered LED lamp dimming control system as claimed in claim 1, it is characterized in that: the input of described constant current voltage stabilizing circuit (22) is connected with the earth terminal of LED driver (4), the output of described constant current voltage stabilizing circuit (22) is connected with the flyback voltage induced end of LED driver (4).
5. a kind of high-powered LED lamp dimming control system as claimed in claim 1, it is characterized in that: described the first rectification circuit (21) is provided with flyback transformer T1, the primary coil of described flyback transformer T1 is connected with the pressurization induction end of LED driver (4), and the secondary coil of described flyback transformer T1 is connected with the transformation feedback end of LED driver (4).
6. a kind of high-powered LED lamp dimming control system as claimed in claim 1, it is characterized in that: the pressurization feedback end of described LED driver (4) is connected with the first rectification circuit (21), minute pressure side of described LED driver (4) is connected with the input of LED driver (4) by NPN type triode Q3, the pressurization output of described LED driver (4) is connected with the pressurization induction end of LED driver (4) by NPN type triode Q2, and the flyback output of described LED driver (4) is connected with clamper absorbing circuit (23) by field effect transistor Q1.
7. a kind of high-powered LED lamp dimming control system as claimed in claim 1, is characterized in that: what described clamper absorbing circuit (23) comprised ground connection has polar capacitor C2, capacitor C 3, a resistance R 23 and R12 and diode D4 parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221756.4U CN203934042U (en) | 2014-04-30 | 2014-04-30 | A kind of high-powered LED lamp dimming control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221756.4U CN203934042U (en) | 2014-04-30 | 2014-04-30 | A kind of high-powered LED lamp dimming control system |
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| Publication Number | Publication Date |
|---|---|
| CN203934042U true CN203934042U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221756.4U Expired - Fee Related CN203934042U (en) | 2014-04-30 | 2014-04-30 | A kind of high-powered LED lamp dimming control system |
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| Country | Link |
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| CN (1) | CN203934042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093234A (en) * | 2014-04-30 | 2014-10-08 | 长兴泛亚照明电器有限公司 | Dimming control system for large-power LED lamp |
| CN106550511A (en) * | 2016-12-07 | 2017-03-29 | 横店集团得邦照明股份有限公司 | A kind of light adjusting and controlling device and its implementation |
-
2014
- 2014-04-30 CN CN201420221756.4U patent/CN203934042U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093234A (en) * | 2014-04-30 | 2014-10-08 | 长兴泛亚照明电器有限公司 | Dimming control system for large-power LED lamp |
| CN106550511A (en) * | 2016-12-07 | 2017-03-29 | 横店集团得邦照明股份有限公司 | A kind of light adjusting and controlling device and its implementation |
| CN106550511B (en) * | 2016-12-07 | 2018-09-21 | 横店集团得邦照明股份有限公司 | A kind of light adjusting and controlling device and its implementation |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20210430 |