CN219437194U - Novel no stroboscopic high-voltage linear LED three-color dimming light source - Google Patents
Novel no stroboscopic high-voltage linear LED three-color dimming light source Download PDFInfo
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- CN219437194U CN219437194U CN202223225624.2U CN202223225624U CN219437194U CN 219437194 U CN219437194 U CN 219437194U CN 202223225624 U CN202223225624 U CN 202223225624U CN 219437194 U CN219437194 U CN 219437194U
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- light source
- fast recovery
- source substrate
- recovery diode
- lamp bead
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a novel stroboflash-free high-voltage linear LED three-color dimming light source, which comprises a light source substrate, a winding resistor, a bridge stack, electrolysis and an IC (integrated circuit) which are respectively arranged on the light source substrate, a plurality of lamp bead assemblies which are serially connected on the light source substrate, and a fast recovery diode, wherein the fast recovery diode is arranged on the light source substrate, and the positive end and the negative end of the fast recovery diode are respectively connected with the positive electrode of a rectifier bridge and a first lamp bead; the service life of the whole light source substrate can be greatly prolonged by connecting a fast recovery diode with 600V withstand voltage in series between the positive electrode output end of the rectifier bridge and the first lamp bead.
Description
Technical Field
The utility model belongs to the technical field of illumination light sources, and particularly relates to a novel stroboflash-free high-voltage linear LED three-color dimming light source.
Background
The existing high-voltage linear LED three-color dimming light source mainly comprises a winding resistor, a rectifier bridge, an electrolytic capacitor, a linear IC, a current limiting resistor and a plurality of LED lamp beads which comprise white light and warm white light which are connected in series and parallel;
in the whole closed loop circuit, if a 220V alternating current input end switch wiring of an owner is connected with a zero line instead of a live line in the decoration process, then the whole high-voltage linear LED three-color dimming light source board is still electrified when not working normally, detection is carried out through instrument equipment, under the condition that the zero line is disconnected by the switch, the 220V alternating current live line is not disconnected, so that the light source board is still electrified after the switch is disconnected, and after passing through a rectifier bridge, 160-200V alternating current is output to the ground by the positive electrode instead of direct current, so that the rectification effect is not achieved. At the moment, the alternating current voltage to the ground at the positive electrode of the 2 lamp beads with white light and warm light which are output in parallel is 160-200V, if the light source is arranged on a metal shell of powder spraying, the alternating current to the ground at the output end of the positive electrode is 40-90V, and the voltage is the alternating current, so that the withstand voltage of different LED lamp beads is not equal to 3-36V, the application range of the LED lamp beads is exceeded, the LED lamp beads are damaged, the first two lamp beads in the LED lamp string are easy to cause the lamp bead death phenomenon, and the service life of the light source is reduced;
therefore, in order to solve the problems, the utility model provides a novel stroboflash-free high-voltage linear LED three-color dimming light source with a fast recovery diode, which prolongs the service life of the light source.
Disclosure of Invention
The utility model aims to provide a novel stroboflash-free high-voltage linear LED three-color dimming light source so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a novel stroboflash-free high-voltage linear LED three-color dimming light source comprises a light source substrate, a winding resistor, a bridge stack, an electrolysis circuit, an IC, a patch resistor and a fast recovery diode which are respectively arranged on the light source substrate, wherein the patch resistor can be selected and pasted according to different schemes, and a plurality of lamp bead assemblies are arranged on the light source substrate in series,
the fast recovery diode is arranged on the light source substrate, and the positive electrode end and the negative electrode end of the fast recovery diode are respectively connected with the positive electrode of the rectifier bridge and the first lamp bead.
Further, the winding resistor, the bridge stack, the electrolysis, the IC, the patch resistor, the fast recovery diode and the lamp bead component are welded on the light source substrate through welding pins respectively.
Further, the lamp beads on the lamp bead assembly are white lamp beads and yellow lamp beads which are arranged in a staggered mode.
Further, the withstand voltage index of the fast recovery diode is 600V.
Compared with the prior art, the utility model has the following technical effects and advantages:
according to the novel stroboscopic-free high-voltage linear LED three-color dimming light source, the fast recovery diode with the withstand voltage of 600V is added between the output positive end of the rectifier bridge of the bridge stack and the first lamp bead, so that when the light source substrate is switched off, the ground alternating current passing through the lamp bead assembly is converted into direct current, the fast recovery diode has the withstand voltage of 600V, the fast recovery diode realizes the effect of replacing the first lamp bead, and the lamp bead assembly is not damaged in the alternating current impact process of 160-200V at the front end;
the service life of the whole light source substrate can be greatly prolonged by connecting a fast recovery diode with 600V withstand voltage in series between the positive electrode output end of the rectifier bridge and the first lamp bead.
Drawings
Fig. 1 is a schematic diagram of a light source substrate circuit according to the present utility model.
In fig. 1: FR 1-winding resistor;
DB 1-bridge stacks;
EC 1-electrolysis;
U1-IC；
d1-a fast recovery diode;
R1-R5-chip resistors;
D2-D3-lamp beads.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a novel stroboscopic-free high-voltage linear LED three-color dimming light source as shown in fig. 1, which comprises a light source substrate, a winding resistor FR1, bridge pile DB1 electrolysis EC1, ICU1, chip resistors R1-R5, a diode D1 and a plurality of lamp bead assemblies D2 and D3 which are connected in series on the light source substrate, wherein the lamp bead assemblies D2 and D3 are respectively welded on the light source substrate through welding pins;
the lamp beads on the lamp bead assemblies D2 and D3 are white lamp beads and yellow lamp beads which are arranged in a staggered mode.
The LED lamp further comprises a fast recovery diode D1, the fast recovery diode D1 is arranged on the light source substrate, the positive end and the negative end of the fast recovery diode D1 are respectively connected with the positive electrode of the rectifier bridge and the first lamp bead, the withstand voltage index of the fast recovery diode D1 is 600V, and the effect of replacing the first lamp bead through the fast recovery diode D1 is achieved.
According to the novel stroboscopic-free high-voltage linear LED three-color dimming light source, the fast recovery diode D1 with the withstand voltage of 600V is added between the output positive end of the rectifier bridge and the first lamp bead, so that when a zero line is broken by a switch of a light source substrate, the ground alternating current passing through the lamp bead assembly is converted into direct current, and the withstand voltage of the fast recovery diode D1 is 600V, so that the lamp bead assemblies D2 and D3 are not damaged in the alternating current impact process reaching the front end of 160-200V when the first lamp bead is replaced;
the service life of the whole light source substrate can be greatly prolonged by connecting a fast recovery diode D1 with 600V withstand voltage in series between the positive electrode output end of the rectifier bridge and the first lamp bead.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (4)
1. Novel no stroboscopic high-voltage linear LED three-color becomes light source, its characterized in that: the LED lamp comprises a light source substrate, a winding resistor (FR 1), a bridge pile (DB 1), electrolysis (EC 1), an IC (U1), chip resistors (R1-R5), a fast recovery diode (D1) and a plurality of lamp bead assemblies (D2, D3) which are arranged on the light source substrate in series;
the fast recovery diode (D1) is arranged on the light source substrate, and the positive electrode end and the negative electrode end of the fast recovery diode (D1) are respectively connected with the positive electrode of the rectifier bridge and the first lamp bead on the light source substrate.
2. The novel stroboscopic-free high-voltage linear LED three-color dimming light source as claimed in claim 1, wherein: the winding resistor (FR 1), the bridge pile (DB 1), the electrolysis (EC 1), the IC (U1), the chip resistors (R1-R5), the diode (D1) and the lamp bead assemblies (D2, D3) are welded on the light source substrate through welding pins respectively.
3. The novel stroboscopic-free high-voltage linear LED three-color dimming light source as claimed in claim 1, wherein: the lamp beads on the lamp bead assemblies (D2 and D3) are white lamp beads and yellow lamp beads which are arranged in a staggered mode.
4. The novel stroboscopic-free high-voltage linear LED three-color dimming light source as claimed in claim 1, wherein: the withstand voltage index of the fast recovery diode (D1) is 600V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223225624.2U CN219437194U (en) | 2022-12-03 | 2022-12-03 | Novel no stroboscopic high-voltage linear LED three-color dimming light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223225624.2U CN219437194U (en) | 2022-12-03 | 2022-12-03 | Novel no stroboscopic high-voltage linear LED three-color dimming light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219437194U true CN219437194U (en) | 2023-07-28 |
Family
ID=87332242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223225624.2U Active CN219437194U (en) | 2022-12-03 | 2022-12-03 | Novel no stroboscopic high-voltage linear LED three-color dimming light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219437194U (en) |
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2022
- 2022-12-03 CN CN202223225624.2U patent/CN219437194U/en active Active
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