CN202769468U - Light-emitting diode (LED) ship lamp - Google Patents
Light-emitting diode (LED) ship lamp Download PDFInfo
- Publication number
- CN202769468U CN202769468U CN2012204737174U CN201220473717U CN202769468U CN 202769468 U CN202769468 U CN 202769468U CN 2012204737174 U CN2012204737174 U CN 2012204737174U CN 201220473717 U CN201220473717 U CN 201220473717U CN 202769468 U CN202769468 U CN 202769468U
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- led
- boats
- base
- aluminium base
- lamp
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Abstract
The utility model discloses a light-emitting diode (LED) ship lamp which comprises an LED lamp plate, a copper-based plate, an aluminum-based seat, a power supply, an end cover and a lampshade. The LED lamp plate is fixed on one side of the copper-based plate, soldering paste is covered on the other side of the copper-based plate, a nickel layer is plated on the aluminum-based seat, the copper-based plate is welded with the aluminum-based seat provided with the nickel layer through the covering soldering paste, the lampshade is fixedly connected with the aluminum-based seat, and a light-out surface of the LED lamp plate is toward the lampshade. The end cover and the aluminum-based seat are connected to form an integrated cavity in an enclosing mode, and the power supply is contained in the cavity and is electrically connected with the LED lamp plate. According to the lamp ship lamp, the copper-based plate and the aluminum-based seat are direct welded to conduct heat, and thus the lamp ship lamp of the structure is good in heat dissipation effect and strong in heat and aging resistance, and service life of the LED lamp plate is not affected by the high junction temperature caused by heat dissipation adhesive.
Description
Technical field
The utility model relates to lighting technical field, relates in particular to a kind of LED boats and ships lamp.
Background technology
In the LED industry, the heat radiation of LED boats and ships lamp is a technical barrier.So far, each large LED boats and ships lamp manufacturing firm does not all have better way to solve this heat dissipation problem.The radiator structure that existing employing aluminium base and thermal grease are bonding causes the heat radiation temperature difference between LED, aluminium base and aluminium base (boats and ships lamp housing) larger, and the LED junction temperature is higher.When the LED junction temperature more than 70 ℃ the time, the LED lamp plate will be subject to badly damaged, causes light decay, affects the life-span of whole LED light fixture.
At present, adopt aluminium base to be applied on the LED, when more being applied to LED boats and ships lamp, its radiating effect is not good enough.Particularly need to arrange one deck heat radiation adhesive between aluminium base and aluminium base and be bonded together, thermal resistance is too large.After the LED heat conducted to aluminium base, the heat of aluminium base just can be directly transferred on the boats and ships lamp housing body by thermal paste, caused LED and skin temperature higher.And the junction temperature of LED lamp plate or LED module is during greater than 75 ℃, and the life-span of LED can shorten greatly.In addition, the bad processing of the welding procedure between aluminium base and aluminium base, thermal grease can be aging through long-term the use, can not reach radiating effect and easily cause contact insufficient, and the inhomogeneous local temperature that also can make light fixture of dispelling the heat is too high and affect the life-span.
The utility model content
For the weak point that exists in the above-mentioned technology, the utility model provides a kind of simple in structure, good heat dissipation effect and the strong LED boats and ships lamp of heat resistanceheat resistant ageing resistance, can not produce the service life that high junction temperature affects the LED lamp plate because of the heat radiation adhesive.
For achieving the above object, the utility model provides a kind of LED boats and ships lamp, comprises LED lamp plate, copper base, aluminium base, power supply, end cap and lampshade; Described LED lamp plate is fixed on the one side of copper base, the another side of described copper base is coated with solder(ing) paste, be coated with nickel dam on the described aluminium base, described copper base is by the solder(ing) paste that covers and the aluminium base welding with nickel dam, described lampshade be fixedly connected with aluminium base and the exiting surface of LED lamp plate towards lampshade; Described end cap is connected with aluminium base and encloses the one cavity, and described power supply is contained in the cavity and with the LED lamp plate and is electrically connected.
Wherein, described solder(ing) paste is without the chlorine leadless soldering tin paste, and this thickness without the chlorine leadless soldering tin paste is 0.2-0.6mm.
Wherein, described LED boats and ships lamp also comprises water proof ring; Described water proof ring is clamped between lampshade and the aluminium base.
Wherein, described LED boats and ships lamp also comprises power line; One end of described power line is electrically connected with power supply, and the other end of described power line extends from end cap and is electrically connected with external power source.
Wherein, described LED boats and ships lamp also comprises base and screw, and described base is provided with through hole, and the surface of described aluminium base is provided with screw; Described screw run through behind the through hole on the base with aluminium base on screw fixedly screw tight.
Wherein, also be provided with a plurality of fin-shaped fin on the surface of described aluminium base.
Wherein, described end cap is the aluminum end cap.
The beneficial effects of the utility model are: compared with prior art, the LED boats and ships lamp that the utility model provides, the LED lamp plate is fixed on the one side of copper base, the another side of copper base is coated with solder(ing) paste, be coated with nickel dam on the aluminium base, copper base is by the solder(ing) paste that covers and the aluminium base welding with nickel dam, thereby realized that the LED lamp plate directly welds heat conduction by copper base and aluminium base, the good heat dissipation effect of this structure and heat resistanceheat resistant ageing resistance are strong, can not produce the service life that high junction temperature affects the LED lamp plate because of the heat radiation adhesive.
Description of drawings
Fig. 1 is the explosive view of LED boats and ships lamp of the present utility model.
The main element symbol description is as follows:
1, LED lamp plate 2, copper base
3, aluminium base 4, power supply
5, end cap 6, lampshade
7, water proof ring 8, power line
9, base 10, screw
91, the screw on the through hole on the base 31, the aluminium base
32, fin
The specific embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing the utility model is done to describe further.
See also Fig. 1, the LED boats and ships lamp that the utility model provides comprises LED lamp plate 1, copper base 2, aluminium base 3, power supply 4, end cap 5 and lampshade 6; LED lamp plate 1 is fixed on the one side of copper base 2, the another side of copper base 2 is coated with solder(ing) paste, be coated with nickel dam on the aluminium base 3, copper base 2 is by the solder(ing) paste that covers and aluminium base 3 welding with nickel dam, lampshade 6 be fixedly connected with aluminium base 3 and the exiting surface of LED lamp plate 1 towards lampshade 6; End cap 5 is connected with aluminium base 3 and encloses the one cavity, and power supply 4 is contained in the cavity and with LED lamp plate 1 and is electrically connected.
Situation compared to prior art, the LED boats and ships lamp that the present embodiment provides, LED lamp plate 1 is fixed on the one side of copper base 2, the another side of copper base 2 is coated with solder(ing) paste, be coated with nickel dam on the aluminium base 3, copper base is by the solder(ing) paste that covers and aluminium base 3 welding with nickel dam, thereby realized that LED lamp plate 1 is by copper base 2 and directly welding heat conduction of aluminium base 3, the good heat dissipation effect of this structure and heat resistanceheat resistant ageing resistance are strong, can not produce the service life that high junction temperature affects LED lamp plate 1 because of the heat radiation adhesive.
In the present embodiment, above-mentioned soldering-tin layer is without the chlorine lead-free soldering tin layer, and this thickness without the chlorine lead-free soldering tin layer is 0.2-0.6mm.The utility model is not limited to thickness, fusing point and the material of tin cream; so long as weld with the aluminium base of nickel coating and the embodiment of copper base by tin cream; all belong to simple deformation of the present utility model or conversion, fall into protection domain of the present utility model.
In the present embodiment, LED boats and ships lamp also comprises water proof ring 7; Water proof ring 7 is clamped between lampshade 6 and the aluminium base 3.Because LED boats and ships lamp is placed in sea open-air, water proof ring 7 can prevent effectively that sealing enters in the cavity, has effectively prolonged the service life of LED boats and ships lamps.
In the present embodiment, LED boats and ships lamp also comprises power line 8; One end of power line 8 is electrically connected with power supply 4, and the other end of power line 8 extends from end cap 5 and is electrically connected with the external power source (not shown).
In the present embodiment, LED boats and ships lamp also comprises base 9 and screw 10, and base 9 is provided with through hole, and the surface of aluminium base 3 is provided with screw; Screw 10 runs through behind the through hole 91 on the base and the screw 31 on the aluminium base fixedly screws tight.Certainly; the utility model is not limited to the embodiment that is connected that adopts aforesaid way to realize base 9 and aluminium base 3; can also be to adopt engaging, welding or other fixing embodiments; if to the conversion of base 9 with the thermally coupled mode of aluminium base 3; all belong to simple deformation of the present utility model or conversion, fall into protection domain of the present utility model.
In the present embodiment; base 9 is mainly used in LED boats and ships lamp is placed on certain position; it can be any position on the ship; certainly; the utility model is not limited to the embodiment that adopt to adopt base 9 to place LED boats and ships lamp, can also be to adopt other embodiments such as suspension, welding, if to the conversion of the modes of emplacement of LED boats and ships lamp; all belong to simple deformation of the present utility model or conversion, fall into protection domain of the present utility model.
In the present embodiment, also be provided with a plurality of fin-shaped fin 32 on the surface of aluminium base 3, after the heat of LED lamp plate 1 conducts to copper base 2, the heat of copper base 2 is by being transmitted on the aluminium base 3 (being shell body) again, by a plurality of fin-shaped fin 32 the heat efficiently radiates heat is gone out, improved the service life of LED boats and ships lamps.
In the present embodiment, end cap 5 is the aluminum end cap.Certainly; the material that the utility model is not limited to end cap 5 is the embodiment of aluminium, can also be other embodiments such as steel, copper, if to the conversion of the material of end cap 5; all belong to simple deformation of the present utility model or conversion, fall into protection domain of the present utility model.
Above disclosed only be several specific embodiment of the present utility model, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (7)
1. a LED boats and ships lamp is characterized in that, comprises LED lamp plate, copper base, aluminium base, power supply, end cap and lampshade; Described LED lamp plate is fixed on the one side of copper base, the another side of described copper base is coated with solder(ing) paste, be coated with nickel dam on the described aluminium base, described copper base is by the solder(ing) paste that covers and the aluminium base welding with nickel dam, described lampshade be fixedly connected with aluminium base and the exiting surface of LED lamp plate towards lampshade; Described end cap is connected with aluminium base and encloses the one cavity, and described power supply is contained in the cavity and with the LED lamp plate and is electrically connected.
2. LED boats and ships lamp according to claim 1 is characterized in that, described solder(ing) paste is without the chlorine leadless soldering tin paste, and this thickness without the chlorine leadless soldering tin paste is 0.2-0.6mm.
3. LED boats and ships lamp according to claim 1 and 2 is characterized in that, described LED boats and ships lamp also comprises water proof ring; Described water proof ring is clamped between lampshade and the aluminium base.
4. LED boats and ships lamp according to claim 3 is characterized in that, described LED boats and ships lamp also comprises power line; One end of described power line is electrically connected with power supply, and the other end of described power line extends from end cap and is electrically connected with external power source.
5. LED boats and ships lamp according to claim 4 is characterized in that, described LED boats and ships lamp also comprises base and screw, and described base is provided with through hole, and the surface of described aluminium base is provided with screw; Described screw run through behind the through hole on the base with aluminium base on screw fixedly screw tight.
6. LED boats and ships lamp according to claim 5 is characterized in that, also is provided with a plurality of fin-shaped fin on the surface of described aluminium base.
7. LED boats and ships lamp according to claim 6 is characterized in that, described end cap is the aluminum end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204737174U CN202769468U (en) | 2012-09-17 | 2012-09-17 | Light-emitting diode (LED) ship lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204737174U CN202769468U (en) | 2012-09-17 | 2012-09-17 | Light-emitting diode (LED) ship lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202769468U true CN202769468U (en) | 2013-03-06 |
Family
ID=47776037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204737174U Expired - Fee Related CN202769468U (en) | 2012-09-17 | 2012-09-17 | Light-emitting diode (LED) ship lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202769468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322495A (en) * | 2013-06-27 | 2013-09-25 | 浙江畅朗照明有限公司 | Ship LED lamp |
-
2012
- 2012-09-17 CN CN2012204737174U patent/CN202769468U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322495A (en) * | 2013-06-27 | 2013-09-25 | 浙江畅朗照明有限公司 | Ship LED lamp |
| CN103322495B (en) * | 2013-06-27 | 2016-01-27 | 浙江畅朗照明有限公司 | A kind of ship LED lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130917 |