CN202082700U - Reflector lamp with LED (Light-emitting Diode) light source - Google Patents
Reflector lamp with LED (Light-emitting Diode) light source Download PDFInfo
- Publication number
- CN202082700U CN202082700U CN2011202068208U CN201120206820U CN202082700U CN 202082700 U CN202082700 U CN 202082700U CN 2011202068208 U CN2011202068208 U CN 2011202068208U CN 201120206820 U CN201120206820 U CN 201120206820U CN 202082700 U CN202082700 U CN 202082700U
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- lamp shade
- led
- lamp
- shade
- light source
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Abstract
The utility model provides an reflector lamp with an LED (Light-emitting Diode) light source, which comprises a lamp cap, an upper lamp shade, a lower lamp shade, a circuit board and an LED lamp panel, wherein the upper lamp shade is fixedly connected with the lamp cap, the lower lamp shade is covered on the upper lamp shade, the circuit board and the LED lamp panel are arranged in a closed space formed by the upper lamp shade and the lower lamp shade, the lamp cap, the circuit board and the LED lamp panel are sequentially and electrically connected, the lower lamp shade is a spherical ground glass shade, and the circuit board is provided with a constant-current source circuit. In the utility model, by the spherical ground glass shade, the straight light transmitted by LED lamp beads can be reflected and guided to be more soft reflected light, and the illumination of the constant-current source circuit can be more stable.
Description
Technical field
The utility model relates to a kind of lighting device, is specially a kind of LED light fixture.
Background technology
Existing conventional incandescent bulb, compact fluorescent lamp have shortcomings such as power consumption is big, electro-optical efficiency is low, service life is short, and the noxious material that also contains in the compact fluorescent lamp---mercury causes potential safety hazard to environment.And the LED light fixture is emerging illuminating product, its operation cost is far below other lighting apparatus, and can satisfy increasingly serious energy-saving and cost-reducing demand, therefore more and more obtain paying attention to, the LED light fixture has energy-saving and environmental protection, radiationless advantage as the light emitting source of a new generation.
Existing LED light fixture generally comprises lamp holder, power supply, LED illuminator, lampshade and connects lead, wherein lamp holder one end is used for being connected with external electric, and an end links to each other with power supply, and power supply is connected on the LED illuminator, lampshade is installed on the lamp holder, and the LED illuminator is installed in the lamp holder.But because the light that the LED illuminator sends all is direct light, the eyes of directly injecting the people can produce dazzle, and influence is used; In addition, the common LED lamp tool generally uses and exchanges input, and what power supply adopted is resistance-capacitance circuit, causes the luminous power output of LED light fixture to fluctuate along with the fluctuation of input voltage, causes lamp luminescence brightness instability.
The utility model content
The technical problems to be solved in the utility model is to propose a kind of led light source reflectoscope, to replace traditional tungsten filament light emitting source, and led light source reflectoscope of the present utility model is simple in structure, and the straight line light that can effectively avoid the LED illuminator to send directly enters human eye, and makes that the light-emitting line of this light fixture is stable and soft more.
In order to realize above-mentioned technical purpose, led light source reflectoscope of the present utility model comprises lamp holder, upper lamp shade, lower lamp shade, wiring board and LED lamp plate, described upper lamp shade is fixedlyed connected with lamp holder, described lower lamp shade covers on the upper lamp shade, described wiring board and LED lamp plate all are arranged in the confined space of upper lamp shade and lower lamp shade composition, described lamp holder, wiring board and LED lamp plate are electrically connected successively, and described lower lamp shade is pot mill sand glass cover, and described wiring board is provided with constant-current source circuit.
Adopt the led light source reflectoscope of this structure, be set to the cloche of spherical frosted by lower lamp shade, the direct light that the LED illuminator can be sent repeatedly reflects leaded light, and send soft visible light, in addition, by constant-current source circuit is set, can provide stable current source to the LED lamp plate, make that LED lamp luminosity is more stable.
Further, described upper lamp shade is provided with the some projections that are distributed on the upper lamp shade internal perisporium near the position of lower limb, described LED lamp plate is provided with the recess that is complementary with described projection, adopt the upper lamp shade and the lamp plate of this structure, during installation the recess of LED lamp plate is alignd with projection on the upper lamp shade perisporium, the LED lamp plate is packed between the upper lamp shade, reverse the LED lamp plate, lamp plate can be connected on the projection, and also available silica gel or threaded fastener are fixed on lamp plate in the upper lamp shade.
Further, be provided with the stiffener that extends towards lower lamp shade between the described projection, and lower lamp shade is by being bonded between this stiffener and the upper lamp shade, by the bond area that stiffener can increase silica gel is set, make inferior in and bonding tightr between the upper lamp shade.
Further, described LED lamp pearl arranged in arrays is on the LED lamp plate.
Further, described LED lamp pearl is an adopting surface mounted LED lamp pearl, and a plurality of described LED lamp pearls are connected in series.
Further, described upper lamp shade is for adopting the lampshade of plastic production.
Further, described constant-current source circuit comprises bridge rectifier and is arranged on the resistance-capacitance circuit of an input of this bridge rectifier, by the cooperation utilization of bridge rectifier and resistance-capacitance circuit, bridge rectifier rectification, the resistance-capacitance circuit current limliting can make the output current of constant-current source more stable.
In a word, led light source reflectoscope of the present utility model is simple in structure, easy for installation, and be set to pot mill sand glass cover by lower lamp shade, the straight line light that can effectively avoid the LED illuminator to send directly enters human eye, by constant-current source circuit is set, can make the luminous more stable of light fixture, led light source reflectoscope promptly of the present utility model can send stablizes soft light.
Description of drawings
Fig. 1 is the structural representation of led light source reflectoscope embodiment of the present utility model;
Fig. 2 is that the LED lamp plate of present embodiment is installed in the structural representation on the upper lamp shade;
Fig. 3 is the led light source reflectoscope schematic diagram of present embodiment;
Fig. 4 is the led light source reflectoscope constant-current source circuit figure of present embodiment.
Description of reference numerals:
The 1-lamp holder; The 2-upper lamp shade; The 2a-projection; The 2b-stiffener; The 3-wiring board; The 4-lead; The 5-LED lamp plate; 5a-LED lamp pearl; The 5b-recess; The 6-lower lamp shade.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.
As shown in Figure 1, structural representation for a kind of led light source reflectoscope of the utility model embodiment, the led light source reflectoscope of present embodiment comprises lamp holder 1, the upper lamp shade 2 of fixedlying connected with lamp holder, be installed in the lower lamp shade 6 on the upper lamp shade 2, be fixedly mounted on wiring board 3 and LED lamp plate 5 in the confined space that upper lamp shade 2 and lower lamp shade 6 form, wherein lower lamp shade 6 adopts pot mill sand glass cover, the straight line light that LED lamp pearl 5a can be sent is through after repeatedly reflecting leaded light, become comparatively soft scattered light and be shining in the lighting environment, can prevent effectively that straight line light from directly injecting eyes and dazzle occurring.
As shown in Figure 2, upper lamp shade 2 is provided with some projection 2a near the position of lower limb, and projection 2a is arranged on the internal perisporium of upper lamp shade 2, is provided with stiffener 2b between adjacent two projection 2a, and stiffener 2b extends towards the direction of lower lamp shade 6.Stiffener 2b plays a part to increase the bond area between lower lamp shade 6 and the upper lamp shade 2, stiffener 2b is set can makes bonding more firm between lower lamp shade 6 and the upper lamp shade 2, and lower lamp shade 6 is bonded between this stiffener 2b and the upper lamp shade wall.The upper lamp shade 2 of present embodiment adopts plastic shaping to be made, and adopts the upper lamp shade 2 of plastics easy to make, and can effectively alleviate the weight of light fixture.
LED lamp plate 5 is provided with some LED lamp pearl 5a, LED lamp pearl 5a is an adopting surface mounted LED lamp pearl, a plurality of LED lamp pearls are connected in series, and according to the certain rules arranged in arrays on LED lamp plate 5, the LED lamp pearl 5a of present embodiment adopts annular array to be arranged on the LED lamp plate, not only attractive in appearance, and make the more even light emission of led light source reflectoscope.LED lamp plate 5 edges also are provided with the recess 5b that is complementary with the projection 2a that is positioned at upper lamp shade 2, during installation, recess 5b is alignd with projection 2a, make the LED lamp plate enter into the inside of upper lamp shade 2, at suitable rotating LED lamp plate 5, LED lamp plate 5 can be connected in the upper lamp shade 2, also can take silica gel form bonding and that close with the threaded fastener handle further LED lamp plate 5 to be fixed on the projection 2a of upper lamp shade 2 subsequently.
As shown in Figure 3, led light source reflectoscope schematic diagram for present embodiment, external power source by lamp holder 1 be input in the light fixture, lamp holder 1 by connecting line 4 link to each other with wiring board 3, wiring board 3 links to each other with LED lamp plate 5, wiring board 3 is provided with the constant-current source circuit that is used to LED lamp plate 5 that stabilized power source is provided.
As shown in Figure 4, circuit diagram for the constant-current source circuit of present embodiment, the constant-current source circuit of present embodiment comprises bridge rectifier and is arranged on the resistance-capacitance circuit of an input of bridge rectifier, by bridge rectifier can be dc source with the alternating current input power supplying rectification of outside, can be by resistance-capacitance circuit is set to the circuit current limliting, and make that the electric current of constant-current source circuit output is more stable, promptly the luminosity of LED lamp pearl 5a is more stable.
Above embodiment of the present utility model has been done detailed description, but the utility model is not limited to above-mentioned embodiment, in the ken that affiliated technical field those of ordinary skill is possessed, can also under the prerequisite that does not break away from the utility model aim, make various variations.
Claims (7)
1. led light source reflectoscope, comprise lamp holder, upper lamp shade, lower lamp shade, wiring board and LED lamp plate, described upper lamp shade is fixedlyed connected with lamp holder, described lower lamp shade covers on the upper lamp shade, described wiring board and LED lamp plate all are arranged in the confined space of upper lamp shade and lower lamp shade composition, and described lamp holder, wiring board and LED lamp plate are electrically connected successively, it is characterized in that, described lower lamp shade is a pot mill sand glass cover, and described wiring board is provided with constant-current source circuit.
2. led light source reflectoscope as claimed in claim 1 is characterized in that, described upper lamp shade is provided with the some projections that are distributed on the upper lamp shade internal perisporium near the position of lower limb, and described LED lamp plate is provided with the recess that is complementary with described projection.
3. led light source reflectoscope as claimed in claim 2 is characterized in that, be provided with the stiffener that extends towards lower lamp shade between the described projection, and lower lamp shade is bonded between this stiffener and the upper lamp shade wall.
4. led light source reflectoscope as claimed in claim 1 is characterized in that, described LED lamp pearl arranged in arrays is on the LED lamp plate.
5. led light source reflectoscope as claimed in claim 1 is characterized in that, described LED lamp pearl is an adopting surface mounted LED lamp pearl, and a plurality of described LED lamp pearls are connected in series.
6. led light source reflectoscope as claimed in claim 1 is characterized in that, described upper lamp shade is for adopting the lampshade of plastic production.
7. led light source reflectoscope as claimed in claim 1 is characterized in that, described constant-current source circuit comprises bridge rectifier and is arranged on the resistance-capacitance circuit of an input of this bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202068208U CN202082700U (en) | 2011-06-17 | 2011-06-17 | Reflector lamp with LED (Light-emitting Diode) light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202068208U CN202082700U (en) | 2011-06-17 | 2011-06-17 | Reflector lamp with LED (Light-emitting Diode) light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082700U true CN202082700U (en) | 2011-12-21 |
Family
ID=45343327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202068208U Expired - Fee Related CN202082700U (en) | 2011-06-17 | 2011-06-17 | Reflector lamp with LED (Light-emitting Diode) light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082700U (en) |
-
2011
- 2011-06-17 CN CN2011202068208U patent/CN202082700U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20150617 |
|
| EXPY | Termination of patent right or utility model |