CN216361291U - Lamp holder and LED lamp with adjustable color temperature - Google Patents
Lamp holder and LED lamp with adjustable color temperature Download PDFInfo
- Publication number
- CN216361291U CN216361291U CN202123275992.3U CN202123275992U CN216361291U CN 216361291 U CN216361291 U CN 216361291U CN 202123275992 U CN202123275992 U CN 202123275992U CN 216361291 U CN216361291 U CN 216361291U
- Authority
- CN
- China
- Prior art keywords
- lamp
- fluorescent powder
- lamp bead
- color temperature
- circuit board
- 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.)
- Active
Links
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to the technical field of lamps and discloses a lamp holder and an LED lamp with adjustable color temperature. Wherein the lamp cap comprises: a light mixing cavity; a printed circuit board; the first unit luminous body is electrically connected with the printed circuit board and comprises first lamp beads and first fluorescent powder sheets which correspond to the first lamp beads one to one; and the second unit luminous body is electrically connected with the printed circuit board and comprises second lamp beads and second fluorescent powder sheets in one-to-one correspondence with the second lamp beads. And electrifying the first lamp bead and the second lamp bead, and matching the first fluorescent powder sheet with the second fluorescent powder sheet to ensure that the first lamp bead and the first fluorescent powder sheet emit white light with a first color temperature and the second lamp bead and the second fluorescent powder sheet emit white light with a second color temperature. The proportion of the white light with the first color temperature and the white light with the second color temperature can be changed by changing the driving currents of the first lamp bead and the second lamp bead, so that the mixed light becomes the white light with various color temperatures, and the color temperature of the lamp can be adjusted.
Description
Technical Field
The utility model relates to the technical field of lamps, in particular to a lamp holder and an LED lamp with adjustable color temperature.
Background
A light emitting diode, referred to as LED for short, is a commonly used light emitting device, emits light by energy released by recombination of electrons and holes, and is widely used in the field of illumination. The LED can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like.
The LED illuminating lamp has the characteristics of good light source directivity, long service life, low energy consumption and environmental protection. In the prior art, only a small part of LED lighting sources can adjust color temperature, and the adopted method is to install two LED lamp beads with different color temperatures in one LED lamp, so that the method has uneven light mixing, and the color temperature of the mixed light is deviated from the target color temperature due to the color temperature difference of the LED lamp beads.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lamp cap with adjustable color temperature and an LED lamp with adjustable color temperature.
In order to achieve the above object, a first aspect of the present invention provides a lamp cap, comprising:
the light mixing cavity is formed by surrounding a shell which is hollow inside and provided with openings at two ends;
the printed circuit board is arranged in the light mixing cavity;
the first unit luminous body is arranged in the light mixing cavity and is electrically connected with the printed circuit board, and the first unit luminous body comprises first lamp beads and first fluorescent powder sheets which correspond to the first lamp beads one to one;
the second unit luminous body is arranged in the light mixing cavity and is electrically connected with the printed circuit board, and the second unit luminous body comprises second lamp beads and second fluorescent powder sheets which correspond to the second lamp beads one to one; the first phosphor patch and the second phosphor patch have different phosphor characteristics.
And electrifying the first lamp bead and the second lamp bead, and matching the first fluorescent powder sheet and the second fluorescent powder sheet, so that the first lamp bead and the first fluorescent powder sheet emit white light with a first color temperature, and the second lamp bead and the second fluorescent powder sheet emit white light with a second color temperature. The proportion of the white light with the first color temperature and the white light with the second color temperature can be changed by changing the driving currents of the first lamp bead and the second lamp bead, so that the mixed light becomes the white light with various color temperatures, and the color temperature of the lamp can be adjusted.
Furthermore, the first lamp bead and the second lamp bead are arranged on the same side end face of the printed circuit board.
Further, the first fluorescent powder sheet is blocked in front of the first lamp bead or wrapped on the periphery of the first lamp bead;
the second fluorescent powder sheet is blocked in front of the second lamp bead or wrapped on the periphery of the second lamp bead.
Further, the characteristics include any one or more of the type, concentration and thickness of the fluorescent powder.
Furthermore, the first lamp bead and the second lamp bead are both lamp beads capable of emitting blue light; the first fluorescent powder piece and the second fluorescent powder piece are both yellow fluorescent powder pieces.
Further, the first lamp bead and the second lamp bead are LED lamp beads.
Further, the first unit luminous bodies and the second unit luminous bodies are respectively provided in nine; the first lamp beads and the second lamp beads radiate outwards from the center of the printed circuit board and are arranged adjacent to each other in the circumferential direction at intervals.
The utility model provides a color temperature adjustable LED lamp, which comprises:
a lamp cap;
the power supply is used for supplying power to the lamp holder;
the printed circuit board is arranged on one end face of the radiator;
a housing for housing the lamp head, the power supply and the heat sink.
And electrifying the first lamp bead and the second lamp bead, and matching the first fluorescent powder sheet and the second fluorescent powder sheet, so that the first lamp bead and the first fluorescent powder sheet emit white light with a first color temperature, and the second lamp bead and the second fluorescent powder sheet emit white light with a second color temperature. The proportion of the white light with the first color temperature and the white light with the second color temperature can be changed by changing the driving currents of the first lamp bead and the second lamp bead, so that the mixed light becomes the white light with various color temperatures, and the color temperature of the lamp can be adjusted.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a lamp cap or an LED lamp with adjustable color temperature according to the present invention;
FIG. 2 is a schematic diagram of one embodiment of an arrangement of first and second beads;
FIG. 3 is a schematic diagram of one embodiment of a first phosphor patch and a second phosphor patch.
Description of the reference numerals
10 a light mixing cavity; 20 a printed circuit board; 31 a first lamp bead; 32 a first phosphor patch; 33 a second lamp bead; 34 a second phosphor patch; 40 heat sink.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention provides a lamp cap, as shown in fig. 1 to 3, the lamp cap including:
the light mixing cavity 10 is formed by surrounding a shell which is hollow inside and provided with openings at two ends;
a printed circuit board 20 disposed in the light mixing chamber 10;
the first unit luminous body is arranged in the light mixing cavity 10 and electrically connected with the printed circuit board 20, and comprises first lamp beads 31 and first fluorescent powder sheets 32 which correspond to the first lamp beads 31 one by one;
the second unit luminous body is arranged in the light mixing cavity 10 and is electrically connected with the printed circuit board 20, and the second unit luminous body comprises second lamp beads 33 and second fluorescent powder sheets 34 which correspond to the second lamp beads 33 one by one; the first phosphor patch 34 and the second phosphor patch 32 have different phosphor characteristics.
And electrifying the first lamp beads 31 and the second lamp beads 33, and matching the first fluorescent powder sheets 34 and the second fluorescent powder sheets 32, so that the first lamp beads 31 and the first fluorescent powder sheets 32 emit white light with a first color temperature, and the second lamp beads 33 and the second fluorescent powder sheets 32 emit white light with a second color temperature. By changing the driving current of the first lamp bead 31 and the second lamp bead 33, the proportion of the white light with the first color temperature and the white light with the second color temperature can be changed, so that the mixed light becomes the white light with various color temperatures, and the color temperature of the lamp can be adjusted.
Wherein, the characteristics comprise any one or more of the types, the concentrations and the thicknesses of the fluorescent powder.
Further, the first lamp bead 31 and the second lamp bead 33 are disposed on the same side end face of the printed circuit board 20.
In an alternative embodiment, the first phosphor patch 32 and the second phosphor patch 34 are blocked in front of the first lamp bead 31 and the second lamp bead 33, respectively. It should be noted that "front" herein refers to a direction toward which the light of the lamp head is emitted.
In another optional specific embodiment, the first phosphor sheet 32 and the second phosphor sheet 34 are respectively wrapped around the first lamp bead 31 and the second lamp bead 33.
A plurality of ways of forming white light by matching the lamp beads capable of emitting light of different colors with the fluorescent powder sheet are provided, and a preferred embodiment is provided in the utility model, that is, the first lamp beads 31 and the second lamp beads 33 are both lamp beads capable of emitting blue light; the first phosphor patch 32 and the second phosphor patch 34 are both yellow phosphor patches. Further, the first lamp bead 31 and the second lamp bead 33 are LED lamp beads. Can send white light through the lamp pearl that can send blue light and the cooperation of yellow phosphor powder piece.
Preferably, as shown in fig. 2 and 3, the first unit luminous body and the second unit luminous body are respectively provided with nine, that is, the first lamp bead 31 and the second lamp bead 33 are respectively provided with nine, and the first fluorescent powder sheet 32 and the second fluorescent powder sheet 34 are respectively provided with nine. The first lamp beads 31 and the second lamp beads 33 radiate outwards from the center of the printed circuit board 20 and are arranged adjacent to each other at intervals in the circumferential direction.
The utility model provides a color temperature adjustable LED lamp, which comprises:
a lamp cap;
the power supply is used for supplying power to the lamp holder;
a heat sink 40, wherein the printed circuit board 20 is arranged on one end face of the heat sink 40;
a housing for housing the lamp head, the power supply and the heat sink 40.
And electrifying the first lamp bead 31 and the second lamp bead 33, and matching the first fluorescent powder sheet 32 and the second fluorescent powder sheet 34, so that the first lamp bead 31 and the first fluorescent powder sheet 32 emit white light with a first color temperature, and the second lamp bead 33 and the second fluorescent powder sheet 34 emit white light with a second color temperature. By changing the driving current of the first lamp bead 31 and the second lamp bead 33, the proportion of the white light with the first color temperature and the white light with the second color temperature can be changed, so that the mixed light becomes the white light with various color temperatures, and the color temperature of the lamp can be adjusted.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (8)
1. A lamp cap, characterized in that the lamp cap comprises:
the light mixing cavity (10) is formed by surrounding a shell which is hollow inside and provided with openings at two ends;
a printed circuit board (20) disposed within the light-mixing chamber (10);
the first unit luminous body is arranged in the light mixing cavity (10) and is electrically connected with the printed circuit board (20), and the first unit luminous body comprises first lamp beads (31) and first fluorescent powder sheets (32) which correspond to the first lamp beads (31) one by one;
the second unit luminous body is arranged in the light mixing cavity (10) and is electrically connected with the printed circuit board (20), and the second unit luminous body comprises second lamp beads (33) and second fluorescent powder sheets (34) which correspond to the second lamp beads (33) one by one; the first phosphor patch (32) and the second phosphor patch (34) have different phosphor characteristics.
2. The lamp cap according to claim 1, wherein the first lamp bead (31) and the second lamp bead (33) are arranged on the same lateral end face of the printed circuit board (20).
3. The lamp cap of claim 1, wherein:
the first fluorescent powder sheet (32) is blocked in front of the first lamp bead (31) or wrapped on the periphery of the first lamp bead (31);
the second fluorescent powder sheet (34) is blocked in front of the second lamp bead (33) or wrapped on the periphery of the second lamp bead (33).
4. The lamp cap of claim 1, wherein the characteristics include any one or more of the type, concentration and thickness of the fluorescent powder.
5. The lamp holder according to claim 1, wherein the first lamp bead (31) and the second lamp bead (33) are both lamp beads capable of emitting blue light; the first fluorescent powder sheet (32) and the second fluorescent powder sheet (34) are both yellow fluorescent powder sheets.
6. The lamp holder according to claim 1, wherein the first lamp bead (31) and the second lamp bead (33) are LED lamp beads.
7. The lamp cap according to claim 1, wherein the first unit light emitter and the second unit light emitter are provided in nine numbers, respectively; the first lamp beads (31) and the second lamp beads (33) radiate outwards from the center of the printed circuit board (20) and are arranged at intervals in the circumferential direction.
8. An LED lamp with adjustable color temperature, comprising:
the lamp cap of any one of claims 1-7;
the power supply is used for supplying power to the lamp holder;
a heat sink (40), the printed circuit board (20) being disposed on an end face of the heat sink (40);
a housing for housing the lamp head, the power supply and the heat sink (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123275992.3U CN216361291U (en) | 2021-12-22 | 2021-12-22 | Lamp holder and LED lamp with adjustable color temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123275992.3U CN216361291U (en) | 2021-12-22 | 2021-12-22 | Lamp holder and LED lamp with adjustable color temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216361291U true CN216361291U (en) | 2022-04-22 |
Family
ID=81192355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123275992.3U Active CN216361291U (en) | 2021-12-22 | 2021-12-22 | Lamp holder and LED lamp with adjustable color temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216361291U (en) |
-
2021
- 2021-12-22 CN CN202123275992.3U patent/CN216361291U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7524089B2 (en) | LED light | |
| US8093823B1 (en) | Light sources incorporating light emitting diodes | |
| EP3309443B1 (en) | Light emitting diode illumination device | |
| JP2001291406A (en) | Illuminating lamp | |
| JP2001243807A (en) | Led electric bulb | |
| EP2446190A2 (en) | Led lamp with a wavelength converting layer | |
| CN107883286A (en) | Ligthing paraphernalia | |
| JP2013062108A (en) | Light-emitting device and lighting device | |
| CN216361291U (en) | Lamp holder and LED lamp with adjustable color temperature | |
| EP2596278B1 (en) | Single chamber lighting device | |
| KR20140134853A (en) | Adjust the internal pressure, which is an LED lamp | |
| CN217441586U (en) | Power-adjustable lighting device | |
| GB2509125A (en) | LED lamp | |
| JP6531066B2 (en) | Lighting device | |
| CN212390314U (en) | Lamp set | |
| JP2006155956A (en) | Lighting system | |
| KR101064222B1 (en) | led illumination lamp | |
| CN105423195B (en) | Ligthing paraphernalia | |
| JP6825920B2 (en) | Light source unit and vehicle lighting equipment | |
| US20130235571A1 (en) | Recessed multicolored led lamp | |
| CN216556996U (en) | Military tent lamp | |
| CN218122429U (en) | Light source module and lamp | |
| WO2012144831A2 (en) | Led lighting apparatus | |
| CN220474625U (en) | Multicolor light-emitting LED filament and lamp | |
| CN211176509U (en) | L ED light source module and use its ceiling lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |