CN205014104U - High efficiency heat dissipation type LED lamp - Google Patents

Abstract

The utility model provides a high efficiency heat dissipation type LED lamp, including printing opacity glass lid, reflector, LED light source, power pack and main body cover, main body cover adopts the integrative injection molding of aluminium alloy, and the integrative injection molding in main body cover front side has a light source for cavity, and the integrative injection molding of main body cover rear side has and is corrugated heat radiation fins, setting up on main body cover front side light source for cavity's the bottom surface and being fixed with the heat conduction bar, install the LED light source on the plane of heat conduction bar, conducting strip foot stall face is pressed to touch to be connected with to press and is inlayed heat conductor or the heat conduction membrane on the main body cover of light source for cavity bottom surface, main body cover through integrative injection molding and heat conductor the heat conduction membrane, effective reduction in production cost, and the caulking groove is " brother " font or " the second of the twenty -eight constellations " font is laid, derives each part to heat radiation fins fast with the heat that the LED light source produced, reduces the operating temperature of LED light source, increase of service life.

Description

High-efficient heat-dissipating LED lamp

[technical field]

The utility model relates to semiconductor illumination technique, particularly relates to high-efficient heat-dissipating LED lamp.

[background technology]

Traditional floodlight, its light source adopts power to be the osram lamp of about 400-2000W, mercury vapor lamp, iodine-tungsten lamp or high-pressure mercury lamp etc. mostly, the thick heaviness of the floodlight made, power consumption is large, maintenance cost is high, and environmental pollution is serious, and color effect is barely satisfactory.At present, along with the development of science and technology, LED light source is considered to forth generation lighting source, LED light source relies on luminous efficiency high, low power consumption, do not need high pressure, security advantages of higher, be widely used at various lighting field, the indispensable illuminations of city night life has been become in the application of particularly street lamp, general street lamp needs work for a long time, even be storm wind, rain, the atrocious weathers such as snow descend and work for a long time, the brightness of Street Light Illumination to ground is explicitly called for simultaneously, LED light source meets above requirement, so higher to the power of LED light source, caloric value is larger, particularly due to the deficiency of LED light source heat radiation, under causing LED light source to be usually operated in 80 DEG C of temperature, luminous efficiency often only has 70% ~ 80%, work long hours and also easily cause LED light source look to decline, cause the temperature in LED light source too high time serious, cause and burn circuit board, illumination chip or other electronic components, the serious curtailment working life of LED light source.

[utility model content]

The utility model provides a kind of structure simple, easy for installation, and size is little, rapid heat dissipation, hot(test)-spot temperature are low, effectively delays LED light and declines the time, improves the high-efficient heat-dissipating LED lamp of luminous efficiency and reduction production cost.

In order to realize above-mentioned utility model object, the technical solution adopted in the utility model is:

High-efficient heat-dissipating LED lamp, comprise transparent glass lid, reflection shield, LED light source, power pack and main body cover, described main body cover adopts aluminium section bar integrated die-casting shaping, main body cover front side integral die cast has the light source container cavity being convenient to install LED light source and reflection shield, the main body cover edge integrated die-casting of light source container cavity periphery forms to be convenient to seal hard-wired fitting recess with transparent glass lid, and on rear side of main body cover, integrated die-casting forms undulate and is convenient to the radiating fin that leaves fast of heat that LED light source produces; On front side of described main body cover light source container cavity bottom surface on arrange be fixed with heat conduction bar, the plane of heat conduction bar is provided with the LED light source be electrically connected with power pack, heat conduction bar bottom surface pressure touches the heat carrier being connected with and main body cover that pressure is embedded in light source container cavity bottom surface exporting to fast radiating fin various piece for the heat produced by LED light source; The light source container cavity bottom surface integrated die-casting of described main body cover forms at least one caulking groove being convenient to press embedding installation heat carrier or lay heat conducting film, and described caulking groove is that " brother " font or " high " font are laid.

Further, the upper middle side part of described " brother " font caulking groove is spaced from each other and downside is "eight" shape laying, and described heat carrier or heat conducting film are covered with in caulking groove.

Further, the top of described " high " font caulking groove is in " one " character form structure and two ends upwards roll the extension of oblique certain angle, and described heat carrier or heat conducting film are covered with in caulking groove.

Further, the top of described " high " font caulking groove is in " one " character form structure and two ends upwards roll the extension of oblique certain angle, and " several " font top of bottom is spaced from each other and horizontally both sides extend.

Further, shaping the raising up or be convenient to lay the lug boss of caulking groove to posterior protrusion certain thickness of integrated die-casting on described heat carrier and light source container cavity bottom surface corresponding to heat conduction bar.

Further, described heat carrier is copper heat pipe, is also perfused with the thermal conducting agent that the heat being convenient to LED light source generation exports to radiating fin various piece fast in copper heat pipe.

Further, described heat conducting film is graphite radiating film.

The beneficial effects of the utility model are:

The utility model by the shaping main body cover of integrated die-casting, LED light source cavity is installed and radiator structure one-body molded, structural strength is high, good sealing effect, and then can save raw material, effectively reduces production cost, form at the light source container cavity bottom surface integrated die-casting of main body cover the caulking groove being convenient to press embedding installation heat carrier or heat conducting film simultaneously, and caulking groove is " brother " font or the laying of " high " font, efficiently the heat that LED light source produces is exported to fast the various piece of external heat fins on the downside of main body cover, radiating fin adopts wavy shaped configuration, there are several the passages being convenient to ventilate in vertical fin direction, be beneficial to natural heat dissipation and cross-ventilation, accelerate radiating effect, greatly reduce the operating temperature of LED light source, LED light source operating temperature is made to remain on the operating temperature of less than 50 DEG C for a long time, luminous efficiency brings up to more than 95%, greatly strengthen floodlight effect, multiple occasion can be met use, the look simultaneously effectively delaying LED light source declines, extend the service life of LED light source, increase security performance and the whole service life of whole light fixture.

[accompanying drawing explanation]

Fig. 1 is detonation configuration schematic diagram of the present utility model;

Fig. 2 be the utility model main body cover there is " brother " font caulking groove and to the certain thickness lug boss of posterior protrusion be convenient to lay caulking groove overlook enlarged diagram;

Fig. 3 is the cross section structure enlarged diagram of main body cover in Fig. 2;

Fig. 4 be the utility model main body cover there is " high " font caulking groove overlook enlarged diagram;

Fig. 5 is the cross section structure enlarged diagram of main body cover in Fig. 4;

It is high that Fig. 6 is that the utility model main body cover has " font caulking groove and bottom " several " font top be spaced from each other and horizontally both sides extend overlook enlarged diagram;

Fig. 7 is the cross section structure enlarged diagram of main body cover in Fig. 6.

[detailed description of the invention]

High-efficient heat-dissipating LED lamp, as shown in Figures 1 to 7, high-efficient heat-dissipating LED lamp, comprise transparent glass lid 1, reflection shield 2, LED light source 3, power pack 4 and main body cover 5, described main body cover 5 adopts aluminium section bar integrated die-casting shaping, main body cover 5 front side integral die cast has the light source container cavity 50 being convenient to install LED light source 3 and reflection shield 2, the main body cover edge integrated die-casting of light source container cavity 50 periphery forms to be convenient to seal hard-wired fitting recess 51 with transparent glass lid 1, wherein, fitting recess 51 is two groove structures; The waterproof apron 6 being convenient to be tightly connected with transparent glass lid 1 is also installed in the fitting recess 51 of main body cover 5; Described power pack 4 is installed in the light source container cavity 50 of main body cover, adopts power pack 4 to be arranged on rear side of main body cover be beneficial to better heat radiation when LED light source adopts relatively high power; Also be provided with one in main body cover 5 both sides and be convenient to the fixing U-shaped support 7 of lamp body.

Continue as shown in Figures 1 to 7, on rear side of main body cover 5, integrated die-casting forms undulate and is convenient to the radiating fin 52 that leaves fast of heat that LED light source 3 produces, on front side of main body cover 5 light source container cavity 50 bottom surface on arrange be fixed with heat conduction bar 8, the plane of heat conduction bar 8 is provided with the LED light source 3 be electrically connected with power pack 4, heat conduction bar 8 bottom surface pressure touches the heat carrier 9 (or heat conducting film) being connected with and main body cover 5 that pressure is embedded in light source container cavity 50 bottom surface exporting to fast radiating fin 52 various piece for the heat produced by LED light source, wherein, heat conducting film is graphite radiating film, heat conducting film heat carrier 9 is copper heat pipe, the liquid state mixing shape thermal conducting agent that the heat being convenient to LED light source generation exports to radiating fin 52 various piece is fast perfused with in copper heat pipe, two caulking grooves 53 being convenient to press embedding installation heat carrier or lay heat conducting film are formed at the light source container cavity 50 bottom surface integrated die-casting of main body cover 5, caulking groove is " U " shape laying of back-off, corresponding heat carrier 9 (or heat conducting film) is covered with in caulking groove 53, and what on light source container cavity 50 bottom surface of described heat carrier 9 and heat conduction bar 8 correspondence, integrated die-casting was shaping is convenient to posterior protrusion certain thickness the lug boss 54 laying caulking groove.

Wherein, be from the different dwellings of main body cover in Fig. 15 upper embedded groove 53 set-up mode, the certain thickness that raises up that on heat carrier and light source container cavity bottom surface corresponding to heat conduction bar, integrated die-casting is shaping is convenient to the lug boss (not shown) laying caulking groove.In addition, as shown in Figures 2 to 7, caulking groove 53 on main body cover 5 adopt " brother " font caulking groove respectively and the upper middle side part of " brother " font caulking groove be spaced from each other and downside be "eight" shape lay, or adopt its top of " high " font caulking groove upwards to roll oblique certain angle in " one " character form structure and two ends to extend, or adopt the top of " high " font caulking groove in " one " character form structure and two ends upwards roll that oblique certain angle extends, " several " font top of its underpart is spaced from each other and horizontally both sides extend; Reach the various piece efficiently heat that LED light source produces being exported to fast external heat fins on the downside of main body cover.

Main body cover 5 of the present utility model adopt LED light source that cavity is installed and radiator structure one-body molded, effectively improve sealing effectiveness, save raw material simultaneously, effectively reduce production cost, and form at the light source container cavity 50 bottom surface integrated die-casting of main body cover 5 caulking groove being convenient to press embedding installation heat carrier, and heat carrier is covered with in difform caulking groove, the heat that LED light source produces is exported to fast the outside radiating fin various piece adopting wavy shaped configuration on the downside of main body cover efficiently, there are several the passages being convenient to ventilate in radiating fin vertical fin direction simultaneously, greatly be beneficial to natural heat dissipation and cross-ventilation, accelerate radiating effect, greatly reduce the operating temperature of LED light source, LED light source operating temperature is made to remain on the operating temperature of less than 50 DEG C for a long time, luminous efficiency brings up to more than 95%, greatly strengthen floodlight effect, multiple occasion can be met use, the look simultaneously effectively delaying LED light source declines, extend the service life of LED light source, increase security performance and the whole service life of whole light fixture.

The above embodiment is just preferred embodiment of the present utility model, and not limit practical range of the present utility model with this, caulking groove shape is except situation about enumerating in specific embodiment; The equivalence change that all shapes according to the utility model, structure and principle are done, all should be covered by protection domain of the present utility model.

Claims (7)

1. high-efficient heat-dissipating LED lamp, comprises transparent glass lid, reflection shield, LED light source, power pack and main body cover, it is characterized in that:

Described main body cover adopts aluminium section bar integrated die-casting shaping, main body cover front side integral die cast has the light source container cavity being convenient to install LED light source and reflection shield, the main body cover edge integrated die-casting of light source container cavity periphery forms to be convenient to seal hard-wired fitting recess with transparent glass lid, and on rear side of main body cover, integrated die-casting forms undulate and is convenient to the radiating fin that leaves fast of heat that LED light source produces;

On front side of described main body cover light source container cavity bottom surface on arrange be fixed with heat conduction bar, the plane of heat conduction bar is provided with the LED light source be electrically connected with power pack, heat conduction bar bottom surface pressure touches the heat carrier being connected with and main body cover that pressure is embedded in light source container cavity bottom surface exporting to fast radiating fin various piece for the heat produced by LED light source;

The light source container cavity bottom surface integrated die-casting of described main body cover forms at least one caulking groove being convenient to press embedding installation heat carrier or lay heat conducting film, and described caulking groove is that " brother " font or " high " font are laid.

2. high-efficient heat-dissipating LED lamp according to claim 1, is characterized in that, the upper middle side part of described " brother " font caulking groove is spaced from each other and downside is "eight" shape laying, and described heat carrier or heat conducting film are covered with in caulking groove.

3. high-efficient heat-dissipating LED lamp according to claim 1, is characterized in that, the top of described " high " font caulking groove is in " one " character form structure and two ends upwards roll the extension of oblique certain angle, and described heat carrier or heat conducting film are covered with in caulking groove.

4. high-efficient heat-dissipating LED lamp according to claim 3, it is characterized in that, the top of described " high " font caulking groove is in " one " character form structure and two ends upwards roll the extension of oblique certain angle, and " several " font top of bottom is spaced from each other and horizontally both sides extend.

5. high-efficient heat-dissipating LED lamp according to claim 1 and 2, is characterized in that, what on described heat carrier and light source container cavity bottom surface corresponding to heat conduction bar, integrated die-casting was shaping raise up or be convenient to lay the lug boss of caulking groove to posterior protrusion certain thickness.

6. high-efficient heat-dissipating LED lamp according to claim 1 and 2, is characterized in that, described heat carrier is copper heat pipe, is also perfused with the thermal conducting agent that the heat being convenient to LED light source generation exports to radiating fin various piece fast in copper heat pipe.

7. high-efficient heat-dissipating LED lamp according to claim 1 and 2, is characterized in that, described heat conducting film is graphite radiating film.