CN202065708U - LED (light-emitting diode) lamp with hollow cooling base - Google Patents
LED (light-emitting diode) lamp with hollow cooling base Download PDFInfo
- Publication number
- CN202065708U CN202065708U CN2011200381861U CN201120038186U CN202065708U CN 202065708 U CN202065708 U CN 202065708U CN 2011200381861 U CN2011200381861 U CN 2011200381861U CN 201120038186 U CN201120038186 U CN 201120038186U CN 202065708 U CN202065708 U CN 202065708U
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- cooling base
- led
- packaging
- base
- light fixture
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Abstract
The utility model discloses an LED (light-emitting diode) lamp with a hollow cooling base, which relates to an LED lamp. At present, the lighting angle of the LED lamp is below 150 degrees, the final light-emitting angle of the lamp is changed by using the LED and a secondary optical lens for changing the light emitting angle, but the final light emitting angle is limited, and lighting effect is poor. The LED lamp with the hollow cooling base comprises a cooling base and LED packaging substrates and is characterized in that the cooling base is in columnar structure of which the middle is provided with a through airflow channel; the outer side surface of the cooling base is provided with a plurality of light source fixing surfaces; the LED packaging substrates are arranged on the light source fixing surfaces; and each LED packaging substrate is provided with an LED chip. As the cooling base is provided with the through airflow channel, the material of the airflow channel is reduced, the LED lamp has the advantages of light weight, low cost, high cooling speed and good lighting effect and is favorable for a large angle or the angle of 360 degrees to emit light to all directions, the secondary optical lens is not needed, and assembling procedures, cost and weight are reduced.
Description
Technical field
The utility model relates to a kind of
The LED light fixture.
Background technology
At present traditional LED light fixture adopts led chip is packaged in the Metal Substrate board slot, and metal substrate adds radiating fin as cooling base or power supply is put in other heat radiation assembling and suitable lamp outer casing shell is made.Because the limitation of the luminous angle of led chip self (maximum luminous angle is 150 degree), the lighting angle of light fixture is also all below 150 degree.Usually in order to change rising angle, generally be that the mode that adopts LED to add secondary optical lens changes the final beam angle of light fixture by the direction of propagation that changes the LED emergent ray.Adopt this mode maximum also can only realize the luminous angle of 180 degree, and light efficiency is lower.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that the prior art scheme is improved and improved, and a kind of LED light fixture with hollow cooling base is provided, and to reach when guaranteeing the wide-angle bright dipping, improves the purpose of light efficiency.For this reason, the utility model is taked following technical scheme.
A kind of LED light fixture with hollow cooling base, comprise cooling base, be located at the LED base plate for packaging on the cooling base, it is characterized in that: described cooling base is the column construction that the middle part is provided with the airflow path of perforation, its lateral surface is provided with a plurality of light source stationary planes, and the light source stationary plane is provided with the LED base plate for packaging; Described LED base plate for packaging is provided with led chip.Cooling base is the column construction that the middle part is provided with the airflow path of perforation, and because of reducing the material of airflow path, in light weight, cost is low.And airflow path is used for the circulation of inner air and outer air, and heat is taken out of fast, improves radiating effect.The LED base plate for packaging that carries led chip is established in the side of cylindricality cooling base, is beneficial to wide-angle, even the omnibearing bright dipping of 360 degree, owing to do not need secondary optical lens, reduces the assembling link, reduces cost, and reduce weight, and light efficiency is good.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature.
The external cross section of described cooling base is polygonized structure, and wherein at least three side planes are provided with the light source stationary plane.The LED base plate for packaging can directly be fixed on the side plane, and side plane as the light source stationary plane, also can be had groove on side plane, and with fixed L ED base plate for packaging on this groove; Because at least three side planes are provided with the bright dipping that the light source stationary plane has been realized wide-angle.
The Plane intersects place, the adjacent outside of cooling base is provided with the arc transition face.Cooling base is an aluminium section bar, and the arc transition face makes things convenient for the processing of aluminium section bar, does not prick the hand, and also plays the effect of avoiding shading in addition.
The cooling base middle part is provided with a plurality of airflow paths, and the circumferential annular of a plurality of airflow paths is arranged.
The cooling base middle part is provided with an airflow path, and the external cross section shape of described airflow path and cooling base matches.When external cross section was hexagon, airflow path also was corresponding hexagon, and when external cross section was triangle, airflow path also was corresponding triangle, makes the wall thickness of cooling base even, and the heat of each several part is transmitted basic identical, and is beneficial to processing and manufacturing.
Be provided with a plurality of reinforcements in the described airflow path, reinforcement is arranged radially, and its outer end is connected with airflow path.Reinforcement removes when strengthening cooling base intensity, improves area of dissipation.But reinforcement is too much unsuitable, then can influence the airflow path inner air convection too much, and improves production cost, is directed at percent defective and rises.
Described reinforcement the inner is provided with connecting ring, described reinforcement, connecting ring and cooling base one extrusion molding, and reinforcement, connecting ring are identical with the height of cooling base.The production efficiency height.
Described cooling base is with diffuser outward, and described diffuser is provided with air-vent, and described air-vent is relative with the cooling base airflow path.Be provided with air-vent, can accelerate the circulation of air.
The end face of described LED base plate for packaging is provided with the groove that is used to carry led chip, and the top of led chip covers light transmission medium layer, optical material layer or light conversion layer and forms the LED packaging body; The both sides of groove are respectively equipped with the positive and negative electrode lead district of indent.For prevent that light transmission medium etc. is excessive and avoid led chip to damage in making, use, transportation, the height of LED packaging body is less than or equal to the degree of depth of groove.
The one or both ends of cooling base are stiff end, and stiff end is provided with the location division that is used for fixing; Described cooling base lateral surface is provided with "T"-shaped groove, and groove bottom is the light source stationary plane; LED base plate for packaging and "T"-shaped groove match, and make in the "T"-shaped groove of its cooling base of pegging graft, and are fixed on the cooling base by tack coat or weld layer or screw, are provided with at least one LED base plate for packaging in a "T"-shaped groove.LED base plate for packaging area of section is equal to or slightly less than "T"-shaped groove, and shape is identical with "T"-shaped groove, forms seamless connection with "T"-shaped groove.In different "T"-shaped grooves, can insert the different base plate for packaging of quantity, the convenient LED light fixture beam angle of adjusting.
Beneficial effect: cooling base provided by the invention is hollow structure, and is in light weight, and cost is low, and helps the circulation of inner air and outer air, improves radiating efficiency; The end of cooling base is provided with fixing part structure, is convenient to the flexible installation of led light source.Beam angle is easy to adjust, only needs to change the installation quantity of led light source base plate for packaging; Simultaneously, dispose different lamp outer casings and power supply and can form multi-form LED light fixture, realize the diversified market demand of LED light fixture.
Description of drawings
Fig. 1 is a kind of explosion structure chart of the utility model;
Fig. 2 is the another kind of explosion structure chart of the utility model;
Fig. 3 is first kind of cooling base cross-sectional structure schematic diagram of the present utility model;
Fig. 4 is second kind of cooling base cross-sectional structure schematic diagram of the present utility model;
Fig. 5 is the third cooling base cross-sectional structure schematic diagram of the present utility model;
Fig. 6 (a) is a kind of LED package substrate construction schematic diagram of the present utility model;
Fig. 6 (b) is the A-A sectional structure chart of Fig. 6 (a);
Fig. 7 (a) is an another kind of LED package substrate construction schematic diagram of the present utility model;
Fig. 7 (b) is the A-A sectional structure chart of Fig. 7 (a).
The specific embodiment
Below in conjunction with Figure of description the technical solution of the utility model is described in further detail.
As shown in Figure 1, 2, the utility model comprises cooling base 1, is located at the LED base plate for packaging 2 on the cooling base 1, cooling base 1 is provided with the column construction of the airflow path 3 of perforation for the middle part, and its lateral surface is provided with a plurality of light source stationary planes, and the light source stationary plane is provided with LED base plate for packaging 2; LED base plate for packaging 2 is provided with led chip.The external cross section of cooling base 1 is polygonized structure, and wherein at least three side planes are provided with the light source stationary plane.For convenient fixedly connected, an end of cooling base 1 is a stiff end, and stiff end is provided with the location division that is used for fixing.Cooling base 1 is aluminium extrusion or die casting.
Shown in Fig. 2,3,4, cooling base 1 is hollow regular triangular prism, and lateral surface is made of three side planes that intersect, and three side plane intersections are provided with the arc transition face.All establish led chip when three side planes and then can realize 360 comprehensive bright dippings.
Shown in Fig. 6 (a), 6 (b), 7 (a), 7 (b), the end face of LED base plate for packaging 2 is provided with the groove 8 that is used to carry led chip, and the degree of depth of groove 8 is 0.4mm-0.6mm; When covering light transmission medium layer, optical material layer or light conversion layer, the top of led chip forms the LED packaging body; Excessive for preventing light transmission medium etc., avoid led chip in making, use, transportation, to damage, the height of LED packaging body is less than or equal to the degree of depth of groove 8; The both sides of groove 8 are respectively equipped with the positive and negative electrode lead district of indent.The positive and negative electrode lead district communicates with groove 8 in 6 (a), 6 (b), and positive and negative electrode lead district and groove 8 cut off in 7 (a), 7 (b).
Shown in Fig. 3,5, cooling base 1 lateral surface is provided with "T"-shaped groove 5, and groove bottom is the light source stationary plane; LED base plate for packaging 2 matches with "T"-shaped groove 5, and LED base plate for packaging 2 pegs graft in the "T"-shaped groove 5 of cooling base 1, and is fixed on the cooling base 1 by tack coat or weld layer or screw, inserts a LED base plate for packaging 2 at least in a "T"-shaped groove 5.As shown in Figure 4, the side plane of cooling base 1 also can be directly as the light source stationary plane that is used for fixing LED base plate for packaging 2.
A kind of LED light fixture with hollow cooling base shown in above Fig. 1-7 (b) is a specific embodiment of the utility model; the utility model substantive distinguishing features and progress have been embodied; can be according to the use needs of reality; under enlightenment of the present utility model; it is carried out the equivalent modifications of aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (10)
1. LED light fixture with hollow cooling base, comprise cooling base (1), be located at the LED base plate for packaging (2) on the cooling base (1), it is characterized in that: described cooling base (1) is provided with the column construction of the airflow path (3) of perforation for the middle part, its lateral surface is provided with a plurality of light source stationary planes, and the light source stationary plane is provided with LED base plate for packaging (2); Described LED base plate for packaging (2) is provided with led chip.
2. a kind of LED light fixture with hollow cooling base according to claim 1, it is characterized in that: the external cross section of described cooling base (1) is polygonized structure, and wherein at least three side planes are provided with the light source stationary plane.
3. a kind of LED light fixture with hollow cooling base according to claim 2 is characterized in that: the Plane intersects place, the adjacent outside of cooling base (1) is provided with the arc transition face.
4. a kind of LED light fixture with hollow cooling base according to claim 2 is characterized in that: cooling base (1) middle part is provided with a plurality of airflow paths (3), and a plurality of airflow paths (3) circumferentially annular are arranged.
5. a kind of LED light fixture with hollow cooling base according to claim 2 is characterized in that: cooling base (1) middle part is provided with an airflow path (3), and described airflow path (3) matches with the external cross section shape of cooling base (1).
6. a kind of LED light fixture with hollow cooling base according to claim 5 is characterized in that: be provided with a plurality of reinforcements (4) in the described airflow path (3), reinforcement (4) is arranged radially, and its outer end is connected with airflow path (3).
7. a kind of LED light fixture according to claim 6 with hollow cooling base, it is characterized in that: described reinforcement (4) the inner is provided with connecting ring (9), described reinforcement (4), connecting ring and cooling base (1) one extrusion molding, reinforcement (4), connecting ring (9) are identical with the height of cooling base (1).
8. a kind of LED light fixture according to claim 1 with hollow cooling base, it is characterized in that: the outer diffuser (6) that is with of described cooling base (1), described diffuser (6) is provided with air-vent (7), and described air-vent (7) is relative with cooling base (1) airflow path (3).
9. according to the described a kind of LED light fixture of the arbitrary claim of claim 1-8 with hollow cooling base, it is characterized in that: the end face of described LED base plate for packaging (2) is provided with the groove (8) that is used to carry led chip, and the top of led chip covers light transmission medium layer, optical material layer or light conversion layer and forms the LED packaging body; The both sides of groove (8) are respectively equipped with the positive and negative electrode lead district of indent.
10. a kind of LED light fixture according to claim 9 with hollow cooling base, it is characterized in that: the one or both ends of cooling base (1) are stiff end, and stiff end is provided with the location division that is used for fixing; Described cooling base (1) lateral surface is provided with "T"-shaped groove (5), and groove bottom is the light source stationary plane; LED base plate for packaging (2) matches with "T"-shaped groove (5); LED base plate for packaging (2) is pegged graft in the "T"-shaped groove (5) of cooling base (1), and is fixed on the cooling base (1) by tack coat or weld layer or screw, is provided with at least one LED base plate for packaging (2) in a "T"-shaped groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200381861U CN202065708U (en) | 2011-02-14 | 2011-02-14 | LED (light-emitting diode) lamp with hollow cooling base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200381861U CN202065708U (en) | 2011-02-14 | 2011-02-14 | LED (light-emitting diode) lamp with hollow cooling base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065708U true CN202065708U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200381861U Expired - Lifetime CN202065708U (en) | 2011-02-14 | 2011-02-14 | LED (light-emitting diode) lamp with hollow cooling base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202065708U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121611A (en) * | 2011-02-14 | 2011-07-13 | 浙江迈勒斯照明有限公司 | LED (light emitting diode) lamp with hollow radiating base |
| CN102494257A (en) * | 2011-12-30 | 2012-06-13 | 上海顿格电子贸易有限公司 | Wide-angle light-emitting diode (LED) ball bubble lamp capable of radiating heat by internal and external natural convection of air |
| CN102588785A (en) * | 2012-02-08 | 2012-07-18 | 深圳市骅圣照明科技有限公司 | LED energy-saving lamp |
| CN102767709A (en) * | 2012-06-13 | 2012-11-07 | 杭州赛佳科技有限公司 | LED lamp capable of emitting light from multiple sides |
| CN103322431A (en) * | 2012-03-21 | 2013-09-25 | 顾东 | Led illuminating lamp wick |
| WO2016065566A1 (en) * | 2014-10-30 | 2016-05-06 | 正屋(厦门)电子有限公司 | Bulb lamp structure |
-
2011
- 2011-02-14 CN CN2011200381861U patent/CN202065708U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121611A (en) * | 2011-02-14 | 2011-07-13 | 浙江迈勒斯照明有限公司 | LED (light emitting diode) lamp with hollow radiating base |
| CN102494257A (en) * | 2011-12-30 | 2012-06-13 | 上海顿格电子贸易有限公司 | Wide-angle light-emitting diode (LED) ball bubble lamp capable of radiating heat by internal and external natural convection of air |
| CN102588785A (en) * | 2012-02-08 | 2012-07-18 | 深圳市骅圣照明科技有限公司 | LED energy-saving lamp |
| CN103322431A (en) * | 2012-03-21 | 2013-09-25 | 顾东 | Led illuminating lamp wick |
| CN102767709A (en) * | 2012-06-13 | 2012-11-07 | 杭州赛佳科技有限公司 | LED lamp capable of emitting light from multiple sides |
| CN102767709B (en) * | 2012-06-13 | 2014-07-23 | 杭州赛佳科技有限公司 | LED lamp capable of emitting light from multiple sides |
| WO2016065566A1 (en) * | 2014-10-30 | 2016-05-06 | 正屋(厦门)电子有限公司 | Bulb lamp structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111207 Effective date of abandoning: 20140326 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111207 Effective date of abandoning: 20140326 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |