CN104902651A - LED energy-saving lamp - Google Patents
LED energy-saving lamp Download PDFInfo
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- CN104902651A CN104902651A CN201510352981.0A CN201510352981A CN104902651A CN 104902651 A CN104902651 A CN 104902651A CN 201510352981 A CN201510352981 A CN 201510352981A CN 104902651 A CN104902651 A CN 104902651A
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- led
- lamp
- light source
- electrochemical capacitor
- resistance
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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 invention discloses an LED energy-saving lamp. The LED energy-saving lamp comprises a lamp head, a lamp body, a luminous tube installed on a end surface of the lamp body, and a driver arranged in the lamp body. The driver is formed by an insulating plate and a driving circuit installed on the insulating plate. The driving circuit is characterized in that a 220V power supply is connected with a rectifier bridge input end composed of rectification diodes D1, D2, D3 and D4. The luminous tube comprises a U type tube body and an LED light source strip arranged in the U type tube body. The LED light source strip is composed of a substrate and a plurality of LED chips welded on the substrate and arranged in the longitudinal direction. The LED chips are arranged on the substrate in an inclined manner, and each LED chip is arranged at the same inclined angle. The replacing type LED energy-saving lamp provided by the invention is simple in structure, novel and unique, capable of directly replacing an existing incandescent lamp and a common fluorescent lamp, and capable of realizing energy saving, environmental protection and improved illumination quality.
Description
Technical field
The present invention relates to lighting technical field, particularly a kind of LED electricity-saving lamp.
Background technology
In recent years, low-carbon (LC), energy-saving and environmental protection are more and more subject to the attention of people's height.LED illumination is adopted just to comply with this development trend energy-conservation and trend.LED electricity-saving lamp because of have energy-conservation, light efficiency is high, without the advantage such as stroboscopic, color rendering be good and accept by consumer, existing LED electricity-saving lamp generally forms by being placed in the lamp holder on top, the lamp body being placed in middle part, the luminous tube being placed in bottom and the LED driver be placed in lamp body, luminous tube is generally made up of U-tube body and the LED light source bar be arranged in U-tube body, LED chip on existing LED light source bar is commonly horizontal or longitudinal, and illumination effect has much room for improvement.The operating characteristic of LED requires stable operating current in addition, adopt the LED circuit that resistance-capacitance depressurization drives at present on the market, because line voltage is unstable, therefore the electric current exported produces larger fluctuation along with the change of supply power voltage, thus produce flicker when causing LED to work, thus cause light decay too fast.Great power LED needs specialized circuitry to drive in addition, cost high (general at ten to two ten yuan/watt at present), complex process, and both inconvenience reduced manufacturing cost, is also unfavorable for producing in enormous quantities.
Summary of the invention
For the defect that above-mentioned background technology exists, the invention provides a kind of LED electricity-saving lamp.
For achieving the above object, the technical solution used in the present invention is: it comprises lamp holder, lamp body, the driver being arranged on the luminous tube on lamp body end face and being arranged in lamp body, driver is made up of the drive circuit that insulation board and insulation board thereof fill, drive circuit is that alternating current 220V power supply connects by rectifier diode D1, D2, D3, the rectifier bridge input of D4 composition, the output of rectifier bridge is rectified, electrochemical capacitor C1 is connected between negative pole, the output cathode of rectifier bridge connects 3 pin of three terminal regulator U, resistance R1 is connected between 2 pin of three terminal regulator U and 1 pin, 2 pin of three terminal regulator U are connected with the positive pole of electrochemical capacitor C2, and the positive pole of LED light source bar is connect through resistance R2, the output negative pole of rectifier bridge connects the negative pole of LED light source bar, three terminal regulator U, electrochemical capacitor C1, resistance R1 and electrochemical capacitor C2 forms the filter circuit of " π " shape structure, described luminous tube comprises U-tube body and is arranged on the LED light source bar in described U-tube body, described LED light source bar is made up of substrate and welding some LED chips in longitudinal arrangement on the substrate, described LED chip is that parallax is arranged on the substrate, LED chip described in each is arranged by same angle of inclination.
Further, described luminous tube is provided with three, and described luminous tube is arranged around the central shaft of described lamp body, and described LED light source bar is arranged around the central shaft of described lamp body.
Further, described three terminal regulator U is LM317/217/117, its adjustment end is directly connected to form high-voltage constant-current circuit by resistance R1 and high-voltage output end, is connected respectively, makes " π " shape filter circuit of composition become constant-current circuit with electrochemical capacitor C1, C2.
Further, the capacitance-resistance voltage reduction circuit composed in parallel by resistance R3 and electrochemical capacitor C3 is housed between the input of described rectifier bridge and the input A of 220V power supply.
The present invention has following beneficial effect: energy-saving and environmental protection of the present invention, and comparable incandescent lamp energy efficient more than 90%, than traditional energy-saving lamp energy efficient more than 50%.LED light source bar in luminous tube is made up of substrate and the some LED chips in longitudinal arrangement be welded on substrate, LED chip is that parallax is arranged on substrate, each LED chip is arranged by same angle of inclination, the light-out effect of luminous tube entirety can be changed, make light more even, illumination effect is more excellent; Driver has that circuit is simple, element is few, cost is low, current stabilization can meet the advantages such as LED job requirement, and without electromagnetic interference, efficiency is high, is applicable to batch production, has good economic and social benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention.
Fig. 2 is schematic top plan view of the present invention.
Fig. 3 is electric component catenation principle figure of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1-Figure 3, the present invention includes lamp holder 30, lamp body 20, the LED driver that is arranged on the luminous tube 10 on lamp body 20 end face and is arranged in lamp body 20, lamp holder 30 is connected with the rear port of lamp body 20.Lamp holder 30 is standard screw cap 30, can be connected with the screw lamp holder of standard, and this lamp holder 30 adopts metal Nickel Plating Treatment, anti-oxidant, and antibiosis becomes rusty, and conductivity is high.Lamp body 20 is made for having resin material that is fire-retardant, thermolysis, has the not allochroic advantage of high temperature high voltage resistant, high flame retardant, durable, safer.
Luminous tube 10 comprises U-tube body and is arranged on the LED light source bar 101 in U-tube body, and LED light source bar 101 is inserted in the bipod pipe of U-tube body, plugs one piece of LED light source bar 101 in every pin pipe.Luminous tube 10 in the present embodiment is provided with three, three luminous tubes 10 are arranged around the central shaft of lamp body 20, two pieces of LED light source bars 101 are provided with in each luminous tube 10, thus LED light source bar 101 is provided with six pieces, outwardly, the central shaft around lamp body 20 is arranged the light-emitting area of six pieces of LED light source bars 101, can guarantee that LED electricity-saving lamp 360 ° is comprehensively luminous, light-emitting area is large, larger than bulb 2 times of irradiated area.
Driver is made up of the drive circuit that insulation board and insulation board thereof fill, drive circuit (as shown in Figure 3) is that alternating current 220V power line connects by rectifier diode D1, D2, D3, the rectifier bridge input (i.e. the power connection A of lamp socket metallic walls B and central upper portion) of D4 composition, the output of rectifier bridge is rectified, electrochemical capacitor C1 is connected between negative pole, the output cathode of rectifier bridge connects 3 pin of three terminal regulator U, resistance R1 is connected between 2 pin of three terminal regulator U and 1 pin, 2 pin of three terminal regulator U are connected with the positive pole of electrochemical capacitor C2, and the positive pole of LED light source bar 101 is connect through resistance R2, the output negative pole of rectifier bridge connects the negative pole of LED light source bar 101, three terminal regulator U, electrochemical capacitor C1, resistance R1 and electrochemical capacitor C2 forms the filter circuit (filter) of " π " shape structure.
Three terminal regulator U is LM317/217/117, its adjustment end is directly connected to form high-voltage constant-current circuit by resistance R1 and high-voltage output end, be connected with electrochemical capacitor C1, C2 respectively, " π " shape filter circuit (filter) of composition is made to become constant-current circuit (galvanostat), to meet LED need of work, when needs are larger or less LED illumination power time change electrochemical capacitor can meet the demands.
Working condition of the present invention is, when alternating current is after the rectifier bridge that rectifier diode D1, D2, D3, D4 form, filtering is carried out through electrochemical capacitor C1, to the constant-current circuit that three terminal regulator U (LM317/217/117) and resistance R1 form, carry out current stabilization, again through electrochemical capacitor C2 filtering, carry out current limliting by resistance R2, finally output to LED 10.
Key of the present invention is " π " type filtering of being made up of electrochemical capacitor C1, C2, three terminal regulator U, resistance R1 and current stabilization circuit, core is that the adjustment end of three terminal regulator U is connected to form high-voltage constant-current circuit by fixed resistance R1 and output, and then is connected to form current stabilization circuit with electrochemical capacitor C2.The operating current of general one group of low-power LED lamp pearl is 17-20mA, during many group LED lamp bead in parallel, selects suitable electrochemical capacitor, can meet LED light source bar 101 job requirement according to its operating current.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a LED electricity-saving lamp, it is characterized in that: comprise lamp holder, lamp body, the driver being arranged on the luminous tube on lamp body end face and being arranged in lamp body, driver is made up of the drive circuit that insulation board and insulation board thereof fill, drive circuit is that alternating current 220V power supply connects by rectifier diode D1, D2, D3, the rectifier bridge input of D4 composition, the output of rectifier bridge is rectified, electrochemical capacitor C1 is connected between negative pole, the output cathode of rectifier bridge connects 3 pin of three terminal regulator U, resistance R1 is connected between 2 pin of three terminal regulator U and 1 pin, 2 pin of three terminal regulator U are connected with the positive pole of electrochemical capacitor C2, and the positive pole of LED light source bar is connect through resistance R2, the output negative pole of rectifier bridge connects the negative pole of LED light source bar, three terminal regulator U, electrochemical capacitor C1, resistance R1 and electrochemical capacitor C2 forms the filter circuit of " π " shape structure, described luminous tube comprises U-tube body and is arranged on the LED light source bar in described U-tube body, described LED light source bar is made up of substrate and welding some LED chips in longitudinal arrangement on the substrate, described LED chip is that parallax is arranged on the substrate, LED chip described in each is arranged by same angle of inclination.
2. LED electricity-saving lamp according to claim 1, is characterized in that: described luminous tube is provided with three, and described luminous tube is arranged around the central shaft of described lamp body, and described LED light source bar is arranged around the central shaft of described lamp body.
3. LED electricity-saving lamp according to claim 1, it is characterized in that: described three terminal regulator U is LM317/217/117, its adjustment end is directly connected to form high-voltage constant-current circuit by resistance R1 and high-voltage output end, be connected with electrochemical capacitor C1, C2 respectively, make " π " shape filter circuit of composition become constant-current circuit.
4. LED electricity-saving lamp according to claim 1, is characterized in that: the capacitance-resistance voltage reduction circuit composed in parallel by resistance R3 and electrochemical capacitor C3 is housed between the input of described rectifier bridge and the input A of 220V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352981.0A CN104902651A (en) | 2015-06-24 | 2015-06-24 | LED energy-saving lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352981.0A CN104902651A (en) | 2015-06-24 | 2015-06-24 | LED energy-saving lamp |
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| Publication Number | Publication Date |
|---|---|
| CN104902651A true CN104902651A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352981.0A Pending CN104902651A (en) | 2015-06-24 | 2015-06-24 | LED energy-saving lamp |
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| CN (1) | CN104902651A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015982A (en) * | 2016-06-20 | 2016-10-12 | 许昌虹榕节能电器设备有限公司 | Energy saving lamp support control system |
| JP2019160538A (en) * | 2018-03-13 | 2019-09-19 | 英光ライティング株式会社 | LED drive circuit |
-
2015
- 2015-06-24 CN CN201510352981.0A patent/CN104902651A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015982A (en) * | 2016-06-20 | 2016-10-12 | 许昌虹榕节能电器设备有限公司 | Energy saving lamp support control system |
| JP2019160538A (en) * | 2018-03-13 | 2019-09-19 | 英光ライティング株式会社 | LED drive circuit |
| JP7097049B2 (en) | 2018-03-13 | 2022-07-07 | 英光ライティング株式会社 | Light emitting diode drive circuit |
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Application publication date: 20150909 |