CN103857095A - LED circuit and LED lamp - Google Patents
LED circuit and LED lamp Download PDFInfo
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- CN103857095A CN103857095A CN201410018595.3A CN201410018595A CN103857095A CN 103857095 A CN103857095 A CN 103857095A CN 201410018595 A CN201410018595 A CN 201410018595A CN 103857095 A CN103857095 A CN 103857095A
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- 238000001914 filtration Methods 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses an LED circuit. The LED circuit comprises an alternating-current power supply module, a rectification module, a filtering module, a voltage regulation module and an illumination module, wherein the alternating-current power supply module is connected with a 220 V mains supply and the rectification module and is arranged between the 220 V mains supply and the rectification module, the rectification module is connected with the filtering module, the filtering module is connected with the voltage regulation module, and the voltage regulation module is connected with the illumination module. By means of the LED circuit, cost can be saved, and performance can be improved.
Description
Technical field
The present invention relates to photoelectric field, particularly relate to a kind of LED circuit and LED light fixture.
Background technology
In medical industry, the electromagnetic radiation meeting of some light fixtures has influence on the Practical Performance of instrument, especially itself has the place of strong magnetic radiation at nulcear magnetic resonance (NMR) etc., and the intense radiation of same instrument and special power supply environment also can affect the useful life of light fixture.In addition, these places are not often used lighting, or use special lighting, and its power consumption is large, and the life-span is also short, cause the maintenance workload in later stage very large.
And LED is as the new and effective solid light source type of one, it adopts direct current supply, converts electric energy major part to light, and a part of energy transform into heat energy, without magnetic radiation, has the distinguishing features such as energy-conservation, long-life, easy to control, environmental protection, it be of wide application.
Because the defect that above-mentioned existing medical light fixture exists, practical experience and the professional knowledge of the inventor based on being engaged in this type of product design manufacture and enriching for many years, and the utilization of cooperation scientific principle, actively research and innovation in addition, to founding a kind of LED light fixture of new structure, can improve the defect of general existing light fixture, make it have more practicality.Through constantly research, design, and after repeatedly studying sample and improving, finally create the present invention who has practical value.
Summary of the invention
The object of the invention is is providing a kind of LED circuit and LED light fixture, can be cost-saving, and improve performance.
The object of the invention is to adopt following technical scheme to realize.The present invention proposes a kind of LED circuit, and it comprises AC power supply module, rectification module, filtration module, voltage regulating module and lighting module; Wherein, this AC power supply module is connected with 220V civil power and rectification module, falls between; This rectification module is connected with filtration module; This filtration module is connected with voltage regulating module again; This voltage regulating module is connected with lighting module again.
Object of the present invention can also be further achieved by the following technical measures.
Aforesaid LED circuit, wherein this rectification module is rectifier bridge, comprises multiple diodes.
Aforesaid LED circuit, wherein this filtration module comprises filter capacitor C1, C2 and protective resistance R1; The input that the anode of this filter capacitor C1 is described filtration module, is connected with one end of protective resistance R1; The other end of this protective resistance R1 is connected with the anode of filter capacitor C2 and the input of described voltage regulating module respectively; The negative electrode of this filter capacitor C1 is connected with negative electrode and the ground of filter capacitor C2 respectively.
Aforesaid LED circuit, wherein this voltage regulating module is the current regulator diode of model LT100D.
Aforesaid LED circuit, wherein this lighting module comprises multiple LEDs, described multiple light-emitting diode connection in series-parallel are together.
Object of the present invention also adopts following technical scheme to realize.The present invention also proposes a kind of LED light fixture, comprises above-mentioned any LED circuit and a lampshade.
By technique scheme, LED circuit of the present invention and LED light fixture at least have following advantages and beneficial effect: LED circuit of the present invention is without magnetic radiation and energy-efficient, be applied to medical field, can avoid the impact of magnetic radiation on medicine equipment performance, simultaneously long, easy to control, energy-conserving and environment-protective of LED life-span, can be effectively cost-saving and maintenance to the later stage.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1: be the structural representation of LED circuit of the present invention.
Fig. 2: be the structural representation of the LED circuit of embodiments of the invention.
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to a kind of LED circuit and its embodiment of LED light fixture, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.
Consulting shown in Fig. 1, is the structural representation of LED circuit of the present invention.This LED circuit comprises AC power supply module 1, rectification module 2, filtration module 3, voltage regulating module 4 and lighting module 5.
Wherein, this AC power supply module 1 is electrically connected with 220V city, for 220V civil power is converted into 36V alternating current, and is connected with rectification module 2, exports 36V alternating current to rectification module 2; This rectification module 2 is for the 36V alternating current receiving is converted to direct current, and is connected with filtration module 3, exports direct current to filtration module 3; This filtration module 3 is connected with voltage regulating module 4 again, and for receiving after the direct current that rectification module 2 inputs, filtering high-frequency electromagnetic signal is wherein in case spline is changed rear direct voltage moment sudden change, and exports voltage regulating module 4 to; This voltage regulating module 4 is connected with lighting module 5 again, for the operating current of lighting module 5 is carried out to constant process; This lighting module 5 is for illumination.This AC power supply module 1, rectification module 2, filtration module 3, voltage regulating module 4 and lighting module 5 sequentially link together.
Specifically, this AC power supply module 1 links together with rectification module 2, for 220V civil power is converted into direct current, prevents that AC power supply module 1 reversal connection from causing LED circuit to damage or cisco unity malfunction.This rectification module 2 is rectifier bridge, comprises multiple diodes, has first input end and the second input, is connected respectively with AC power supply module 1, also has output and ground, is connected respectively with filtration module 3 and ground.
This filtration module 3 comprises filter capacitor C1, C2 and protective resistance R1.Wherein, the anode of this filter capacitor C1 is the input of described filtration module 3, is connected with one end of protective resistance R1; The other end of this protective resistance R1 is connected with the anode of filter capacitor C2 and the input of described voltage regulating module 4 respectively; The negative electrode of this filter capacitor C1 is connected with the negative electrode of filter capacitor C2 and the output of described lighting module 5 respectively and ground connection.
This voltage regulating module 4 is the current regulator diode of model LT100D, between filtration module 3 and lighting module 5, guarantees the constant of LED circuit electric current.In the time of the voltage fluctuation of input lighting module 5, the voltage that this voltage regulating module 4 can automatic absorption 4.5V-100V is constant to guarantee stablizing of lighting module 5 operating currents.
This lighting module 5 comprises multiple LEDs, and described multiple light-emitting diode connection in series-parallel together.Specifically, the present invention does not limit the number of above-mentioned light-emitting diode and connected mode, can, according to the situation of practical application, carry out different settings, and the number of for example light-emitting diode is 60 or 96, and annexation also can change accordingly.
Consulting shown in Fig. 2, is the structural representation of the LED circuit of embodiments of the invention.In the present embodiment, the number of this LED is 60, and rhombus is placed (in concrete structure).
The present invention also provides a kind of LED light fixture, comprises above-mentioned LED circuit and a lampshade.With conventional light fixture comparison, this LED light fixture has following characteristics: the light that 1, LED sends is softer; 2, good heat dissipation, light decay reduces; 3, light efficiency improves, and is increased to 180lm/W by 90lm/W; 4, increase outgoing light homogeneity etc.
Generally speaking, LED circuit of the present invention, without magnetic radiation and energy-efficient, is applied to medical field, can avoid the impact of magnetic radiation on medicine equipment performance, and simultaneously long, easy to control, energy-conserving and environment-protective of LED life-span can be effectively cost-saving and maintenance to the later stage.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a LED circuit, is characterized in that it comprises AC power supply module, rectification module, filtration module, voltage regulating module and lighting module;
Wherein, this AC power supply module is connected with 220V civil power and rectification module, falls between; This rectification module is connected with filtration module; This filtration module is connected with voltage regulating module again; This voltage regulating module is connected with lighting module again.
2. LED circuit according to claim 1, is characterized in that wherein this rectification module is rectifier bridge, comprises multiple diodes.
3. LED circuit according to claim 1, is characterized in that wherein this filtration module comprises filter capacitor C1, C2 and protective resistance R1; The input that the anode of this filter capacitor C1 is described filtration module, is connected with one end of protective resistance R1; The other end of this protective resistance R1 is connected with the anode of filter capacitor C2 and the input of described voltage regulating module respectively; The negative electrode of this filter capacitor C1 is connected with negative electrode and the ground of filter capacitor C2 respectively.
4. LED circuit according to claim 1, is characterized in that wherein this voltage regulating module is the current regulator diode of model LT100D.
5. LED circuit according to claim 1, is characterized in that wherein this lighting module comprises multiple LEDs, and described multiple light-emitting diode connection in series-parallel together.
6. a LED light fixture, is characterized in that it comprises arbitrary described LED circuit and a lampshade in the claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018595.3A CN103857095A (en) | 2014-01-15 | 2014-01-15 | LED circuit and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018595.3A CN103857095A (en) | 2014-01-15 | 2014-01-15 | LED circuit and LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103857095A true CN103857095A (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410018595.3A Pending CN103857095A (en) | 2014-01-15 | 2014-01-15 | LED circuit and LED lamp |
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| Country | Link |
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| CN (1) | CN103857095A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202425167U (en) * | 2012-02-17 | 2012-09-05 | 惠州市沃生照明有限公司 | Light emitting diode (LED) driver |
| CN203313480U (en) * | 2013-05-28 | 2013-11-27 | 深圳市泓亚光电子有限公司 | LED circuit and LED lamp |
| CN203761614U (en) * | 2014-01-15 | 2014-08-06 | 洛阳博信光电科技有限公司 | LED circuit and LED lamp |
-
2014
- 2014-01-15 CN CN201410018595.3A patent/CN103857095A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202425167U (en) * | 2012-02-17 | 2012-09-05 | 惠州市沃生照明有限公司 | Light emitting diode (LED) driver |
| CN203313480U (en) * | 2013-05-28 | 2013-11-27 | 深圳市泓亚光电子有限公司 | LED circuit and LED lamp |
| CN203761614U (en) * | 2014-01-15 | 2014-08-06 | 洛阳博信光电科技有限公司 | LED circuit and LED lamp |
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Application publication date: 20140611 |