CN202140833U - Highly-efficient LED lamp tube structure - Google Patents
Highly-efficient LED lamp tube structure Download PDFInfo
- Publication number
- CN202140833U CN202140833U CN201120193423U CN201120193423U CN202140833U CN 202140833 U CN202140833 U CN 202140833U CN 201120193423 U CN201120193423 U CN 201120193423U CN 201120193423 U CN201120193423 U CN 201120193423U CN 202140833 U CN202140833 U CN 202140833U
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- Prior art keywords
- led lamp
- lamp tube
- tube structure
- structure according
- lampshade
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Abstract
The utility model discloses a highly-efficient LED lamp tube structure, relates to LED illumination, and is used for improving the light extraction rate of a lamp by solving the problem that a part of light radiated from the present lamp is consumed in a lamp tube. The technical scheme is that the highly-efficient LED lamp tube comprises a heat-dissipating metal tube, wherein the heat-dissipating metal tube comprises a heat conductor arranged at the back of a PCB (Printed Circuit Board), a combined part connected with a lamp shade, and a connecting part for connecting the heat conductor and the combined part; and the connecting part is opposite to the heat conductor and upwardly inclines towards the direction of the lamp shade, so as to form a slope serving as a light-reflecting surface; and the heat conductor and the connecting part form an opening structure. Compared with the prior art, the technology of the utility model can satisfy the special requirement of high light flux, can significantly save energy, and reduces heat discharge.
Description
Technical field
The utility model relates to a kind of LED lighting.
Background technology
The general form that adopts half aluminium, half PC cover of common 180 ° of luminous LED fluorescent tubes, as shown in Figure 1.Lampshade 3 is fixed together with aluminum pipe 1.On the heat carrier 100 of aluminum pipe 1, be provided with PCB 4, PCB4 is last to be LED5.
Referring to light shown in the arrow among Fig. 1; There are two reflective dead bands 2 parallel to each other in aluminum pipe 1 both sides, and the lighting angle of LED is generally about 120 °, and the rule that incidence angle equals angle of reflection is followed in the reflection of light; The light that LED sends can directly not be mapped on the dead band but be mapped on the lampshade; Most of light directly sees through lampshade ejaculation lamp becomes useful light outward, and few part light repeatedly reflects back reflection to the dead band through lampshade, and light comes back reflective and can't penetrate outside the lamp between the dead band; And absorbed by entity, cause about 6% the light loss that goes out thus.
The utility model content
The utility model technical problem to be solved is: a kind of LED modulated structure is provided, solves a light part that above-mentioned light fixture the sends problem at the fluorescent tube internal loss, be used to improve the light emission rate of light fixture.
In order to solve above-mentioned technical problem, the utility model proposes a kind of dynamical LED lamp tube structure, comprises the metal tube of heat radiation, and metal tube comprises the heat carrier that is located at the PCB back side, the joint portion that is connected with lampshade and the connecting portion that connects heat carrier and joint portion; The said relatively heat carrier of said connecting portion is inclined upwardly towards said lampshade direction, forms domaticly, and domatic is reflective surface, and heat carrier and connecting portion form uncovered structure.
Preferably: said binding site is in said domatic top, and do not exceed domatic top.If this joint portion exceeds face toe, can form a kind of blocking, particularly domatic be coated with reflector layer after, blocking can be very serious.
Preferably: the material of said lampshade is the PC material.
Preferably: said PCB is no more than the height at the said domatic sloping end.PCB exceeds domatic height of the sloping end, can cause a part of reflector layer not have effect.
Preferably: the material of said metal tube is an aluminium.Also can be alloy or other metal pipe material.
Preferably: said domatic angle of inclination is 120 °.Domatic angle of inclination can be adjusted according to the LED lighting angle.
Preferably: said metal tube is connected through the chute mode with said lampshade.Also can use bolt structure, perhaps the combination of chute and screw.
Preferably: the surface that the front of LED is installed at said PCB is provided with reflector layer.Reflector layer is provided with around the LED periphery.Because the area occupied of LED on PCB is very little, can increase luminous efficiency so on PCB, lay reflector layer, make the light that reflexes on the PCB continue reflection to the lampshade direction.This reflector layer can be a reflective sheeting.
Preferably: the cross section of said metal tube is half arc, and the cross section of said lampshade is half arc complementary with said metal tube, and they are stitched together and are a complete ellipse or circular.Except above-mentioned ellipse, the circle, can also be square, egg type, trapezoidal and various indefinite form shape.
Preferably: said reflective surface is a reflective sheeting, and it can be connected as a single entity with the reflective sheeting that is located on the PCB.Reflective surface can also be reflective things such as reflecting coating, reflective resin molding and aluminium foil except being the reflective sheeting.For domatic reflective surface can also be the burnishing surface of metal and the burnishing surface of plating mode, or the glass mirror reflective surface, and wherein the reflector layer of glass mirror can be silver-plated or aluminize.
The beneficial effect of the utility model:
Compare prior art, the utility model has made the thermal conduction portions of the aluminum pipe of prior art into uncovered structure, and this structure can be eliminated reflective dead band, increases the amount of light of fluorescent tube, and irrelevant with LED lamp pearly-lustre flux.Receive technical limitations and under the prerequisite that can't improve, this technology can satisfy the special requirement of high light flux at LED lamp pearly-lustre flux; Can be significantly energy-conservation, reduce the heat discharging, and produce considerable economic benefit.
Description of drawings
Fig. 1 is the cross-sectional structure figure of the LED lamp device of prior art.
Fig. 2 is the cross-sectional structure figure of the LED lamp device of the utility model.
The specific embodiment
The utility model proposes a kind of dynamical LED lamp tube structure, comprises the metal tube of heat radiation, and metal tube comprises the heat carrier that is located at the PCB back side, the joint portion that is connected with lampshade and the connecting portion that connects heat carrier and joint portion; The said relatively heat carrier of connecting portion is inclined upwardly towards said lampshade direction, forms domaticly, and domatic is reflective surface, and heat carrier and connecting portion form uncovered structure.
Carry out illustrated in greater detail in the face of the technical scheme of the utility model down.
Referring to structure embodiment illustrated in fig. 2, metal tube 6 is a long tube, and its cross section is semicircle.Metal tube 6 comprises heat carrier 600, radiating part 601, joint portion 603 that is connected with lampshade 7 that is located at the PCB8 back side and the connecting portion 602 that connects heat carrier 600 and joint portion 603.Connecting portion 602 relative heat carriers 600 are inclined upwardly towards lampshade 7 directions, and forming domatic 6020, domatic 6020 is reflective surface, and heat carrier 600 forms uncovered structure with connecting portion 602.
The material of lampshade is the PC transparent material, also can be other plastics, resin and glass transparent material, and they can be with color, also can be colourless.Can not establish the lens arrangement of convex-concave on the lampshade, also can establish the lens arrangement of shapes such as various honeycombs, striped, grid.
PCB8 is no more than the height at the domatic sloping end.PCB exceeds domatic height of the sloping end, can cause a part of reflector layer not have effect.
Domatic 6020 angle of inclination is 120 °.Domatic angle of inclination can be adjusted according to the LED lighting angle.
The surface that the front of LED is installed at PCB8 is provided with reflector layer.Reflector layer is provided with around the LED9 periphery.Because the area occupied of LED on PCB is very little, can increase luminous efficiency so on PCB, lay reflector layer, make the light that reflexes on the PCB continue reflection to the lampshade direction.
This reflector layer can be a reflective sheeting 10, and this reflective sheeting 10 extends on the PCB by domatic 6020 always.Reflective surface can also be reflective things such as reflecting coating, reflective resin molding and aluminium foil except being the reflective sheeting form.For domatic reflective surface can also be the burnishing surface of metal and the burnishing surface of plating mode, or the glass mirror reflective surface, and wherein the reflector layer of glass mirror can be silver-plated or aluminize.
Stick on reflective sheeting oblique on domatic.Radiation direction shown in the arrow line as shown in Figure 2, after LED light was reflexed on the inclined-plane by lampshade, these light of returning that are reflected can be reflected away by reflective sheeting, and under the effect of reflective sheeting, reflecting power can strengthen than aluminium material surface greatly like this.
Through experiment test, the common LED fluorescent tube light extraction efficiency before improving is merely 86%; And the LED fluorescent tube light extraction efficiency after improving is 91%, compares and improves 5 points, and the raising rate is 6%.Significantly improved light effect.Exist under the situation of difficult of huge technology at the present led chip light emission rate that improves, through transforming the structure of light fixture, the technical thought that realizes the utilization rate of raising light is very real and necessary.
The LED fluorescent tube light emission rate of the utility model calculates with above-mentioned raising 6%, is that 7LM calculates by the luminous fluxes of present 3528 lamp pearls, is equivalent to the extra luminous flux that produces 0.42LM, is equivalent to energy-conservation 6%.With present single lamp 18W, adopt 7LM lamp pearl 264 pearls, the price that every pearl is 0.32 yuan is the first calculating of every LM0.0457, and every lamp is paid 5.06 yuan of lamp pearl expenses less, deducts 0.6 yuan of reflective sheeting expense, pastes 1.1 yuan of reflective sheeting expenses, and the clean cost saving of every lamp is 3.36 yuan.
Certainly the light emission rate of LED light fixture is not limited to 6% of above-mentioned raising, concrete how much the raising, and also relevant with the technology and the choice of technology, above form is only for reference.
Claims (10)
1. dynamical LED lamp tube structure comprises the metal tube of heat radiation, and metal tube comprises the heat carrier that is located at the PCB back side, the joint portion that is connected with lampshade and the connecting portion that connects heat carrier and joint portion; It is characterized in that:
The said relatively heat carrier of said connecting portion is inclined upwardly towards said lampshade direction, forms domaticly, and domatic is reflective surface, and heat carrier and connecting portion form uncovered structure.
2. a kind of dynamical LED lamp tube structure according to claim 1 is characterized in that: said binding site is in said domatic top, and do not exceed domatic top.
3. a kind of dynamical LED lamp tube structure according to claim 1, it is characterized in that: the material of said lampshade is the PC material.
4. a kind of dynamical LED lamp tube structure according to claim 1 is characterized in that: said PCB is no more than the height at the said domatic sloping end.
5. a kind of dynamical LED lamp tube structure according to claim 1, it is characterized in that: the material of said metal tube is an aluminium.
6. a kind of dynamical LED lamp tube structure according to claim 1, it is characterized in that: said domatic angle of inclination is 120 °.
7. a kind of dynamical LED lamp tube structure according to claim 1, it is characterized in that: said metal tube is connected through the chute mode with said lampshade.
8. a kind of dynamical LED lamp tube structure according to claim 1 is characterized in that: the surface that the front of LED is installed at said PCB is provided with reflector layer, and reflector layer is provided with around the LED periphery.
9. a kind of dynamical LED lamp tube structure according to claim 1; It is characterized in that: the cross section of said metal tube is half arc; The cross section of said lampshade is half arc complementary with said metal tube, and they are stitched together and are a complete ellipse or circular.
10. a kind of dynamical LED lamp tube structure according to claim 1, it is characterized in that: said reflective surface is the reflective surface of each mode in reflective sheeting, aluminium foil, plating, polishing or the glass mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120193423U CN202140833U (en) | 2011-06-10 | 2011-06-10 | Highly-efficient LED lamp tube structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120193423U CN202140833U (en) | 2011-06-10 | 2011-06-10 | Highly-efficient LED lamp tube structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140833U true CN202140833U (en) | 2012-02-08 |
Family
ID=45551891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120193423U Expired - Fee Related CN202140833U (en) | 2011-06-10 | 2011-06-10 | Highly-efficient LED lamp tube structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230581A (en) * | 2011-06-10 | 2011-11-02 | 深圳市金来顺照明科技有限公司 | High-efficiency light emitting diode (LED) lamp tube structure |
| CN103398345A (en) * | 2013-08-08 | 2013-11-20 | 广州市莱帝亚照明科技有限公司 | Waterproof LED lamp tube |
| CN104154431A (en) * | 2013-05-13 | 2014-11-19 | 李传南 | LED lamp tube |
-
2011
- 2011-06-10 CN CN201120193423U patent/CN202140833U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230581A (en) * | 2011-06-10 | 2011-11-02 | 深圳市金来顺照明科技有限公司 | High-efficiency light emitting diode (LED) lamp tube structure |
| CN104154431A (en) * | 2013-05-13 | 2014-11-19 | 李传南 | LED lamp tube |
| CN103398345A (en) * | 2013-08-08 | 2013-11-20 | 广州市莱帝亚照明科技有限公司 | Waterproof LED lamp tube |
| CN103398345B (en) * | 2013-08-08 | 2014-11-05 | 广州市莱帝亚照明科技有限公司 | Waterproof LED lamp tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Jinlaishun Lighting Technology Co.,Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Jinlaishun Lighting Technology Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20150610 |
|
| EXPY | Termination of patent right or utility model |