CN205383456U - Light -emitting diode (LED) bulb lamp - Google Patents

Abstract

The utility model relates to a light -emitting diode (LED) bulb lamp, include: lamp holder, drive power supply, shell, LED light source, first heat -conducting plate, second heat -conducting plate, first heat -conducting plate are fixed and form integrative connection structure on the shells and with the shell, and second heat -conducting plate detachable fixes on first heat -conducting plate, and the second heat -conducting plate is equipped with the light source mounting groove, and the LED light source is installed in the light source mounting groove of second heat -conducting plate. Through the utility model provides a technical scheme, it is good to have a radiating effect, and simple structure, firm easily changes characteristics such as light source.

Description

A kind of LEDbulb lamp

Technical field

This utility model relates to lighting module, specifically relates to a kind of good heat dissipation effect, simple in construction, firmly, easily changes the LEDbulb lamp of light source.

Background technology

LED (LightEmittingDiode), light emitting diode, is the semiconductor device of a kind of solid-state that can convert electrical energy into visible ray, and it directly can be converted into light electricity.The appearance of LED, has energy-conservation, life-span length, the advantage such as the suitability is good, the response time is short, environmental protection relative to ordinary lamps (electric filament lamp etc.), and LED can be divided into again by different structures: bulb lamp, shot-light, turn off the light day, filament lamp, pendent lamp etc..

The appearance of LEDbulb lamp, instead of electric filament lamp gradually, the home lightings such as electricity-saving lamp, but LED also exists the most fatal defect, it it is exactly easy heating, heat dissipation problem is the overriding concern making all LED type lamps, Chinese utility model patent CN201220176052 discloses a kind of LEDbulb lamp, including lampshade copper screw socket, shell, power drives assembly and self-tapping screw, copper screw socket is threaded connection the lower end being arranged on power supply sleeve, power drives assembly is arranged on the inside of power supply sleeve, the upper end of shell is provided with aluminium base heat sink, power supply sleeve is from the bottom of shell through being connected with the lower end of aluminium base heat sink, the upper surface of aluminium base heat sink is provided with circuit board, self-tapping screw passes circuit board and aluminium base heat sink and fixes with power supply sleeve；This patent by arranging an aluminium base heat sink under the circuit board of LED light source, heat is dispelled the heat to shell by the conduction of aluminium base heat sink, but aluminium base heat sink and shell are what to separate, need when mounted to be buckled on shell by aluminium base heat sink, contacting between aluminium base heat sink and shell is insecure, when making heat conduction, thermal resistance is big, heat-conducting effect is bad, simultaneously, shell is hollow structure, yielding, if there is deformation in shell or aluminium base heat sink profile, both cannot better be mated, after being assembled into whole lamp, aluminium base heat sink easily loosens, affect the heat radiation of whole lamp and service life；And LED on the market is disposable products, namely namely LED is changed brand-new after damaging, though the life-span of LED is long, but is also not precluded within encapsulation or use procedure and the damage of LED light source being caused, LED light source is scrapped in advance, if all being changed by whole lamp, just waste the resource of miscellaneous part.

Utility model content

For above-mentioned Problems existing, the problem that this utility model mainly solves is to provide a kind of good heat dissipation effect, simple in construction, firmly, easily changes the LEDbulb lamp of light source.

For reaching above-mentioned purpose, a kind of LEDbulb lamp that this utility model provides, including: lamp holder, driving power supply, shell, LED light source, described lamp holder is connected on shell, lamp holder, driving power supply, LED light source form electrical connection loop, also include: the first heat-conducting plate, the second heat-conducting plate, described first heat-conducting plate is fixed on shell, described second heat-conducting plate is removably attached on the first heat-conducting plate, described second heat-conducting plate is provided with light source mounting groove, and LED light source is arranged in the light source mounting groove of the second heat-conducting plate.

A kind of preferred version of the present utility model, described first heat-conducting plate and shell are integrated attachment structure.

Another kind of preferred version of the present utility model, described first heat-conducting plate is provided with depressed part, and the second heat-conducting plate is provided with the lobe that the depressed part with the first heat-conducting plate matches, and the lobe of the second heat-conducting plate removably fixes in the depressed part of the first heat-conducting plate.

Another kind of preferred version of the present utility model, described light source mounting groove is " one " font elongated slot, and its two ends extend respectively to the insert port formed outside the second heat-conducting plate for inserting LED light source, and the width of its light source mounting groove and the width of LED light source match.

Another kind of preferred version of the present utility model, described light source mounting groove dual-side extends respectively in the middle of light source mounting groove, and then forms an inverse-T-shaped elongated slot.

Another kind of preferred version of the present utility model, described first heat-conducting plate, the second heat-conducting plate are equipped with corresponding through hole.

Another kind of preferred version of the present utility model, also includes a lampshade, and described lampshade covers LED light source and the second heat-conducting plate, and is connected with shell.

By the technical scheme that this utility model provides, have the advantages that

1. the first heat-conducting plate and shell are integrated attachment structure, the first heat-conducting plate is good with shell heat conduction, the shell of this structural strengthening simultaneously, make shell be unlikely to deform；

2. the second heat-conducting plate is removably attached on the first heat-conducting plate, and installation and removal are convenient, and between the second heat-conducting plate and the first heat-conducting plate, contact area is big, and realizes vertical heat transfer, its good heat conduction effect；

3. the second heat-conducting plate is provided with light source mounting groove, and light source mounting groove is extended with draw-in groove, and the sidewall of draw-in groove and light source mounting groove contacts with LED light source, make the second heat-conducting plate big with the contact area of LED light source, good heat conduction effect, and LED light source fixing is on light source mounting groove, conveniently takes out replacing.

Accompanying drawing explanation

Fig. 1 show the present embodiment housing, the first heat-conducting plate and the second heat-conducting plate outward appearance and connects axonometric chart；

Fig. 2 show the schematic cross-section of the LEDbulb lamp that the present embodiment provides；

Fig. 3 show the decomposing schematic representation in Fig. 2.

Detailed description of the invention

For further illustrating each embodiment, this utility model is provided with accompanying drawing.These accompanying drawings are a part for this utility model disclosure, and it is mainly in order to illustrate embodiment, and the associated description of description can be coordinated to explain the operation principles of embodiment.Coordinating with reference to these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantage of the present utility model.Assembly in figure is not necessarily to scale, and similar element numbers is conventionally used to indicate similar assembly.

In conjunction with the drawings and specific embodiments, this utility model is further illustrated.

nullShown in Fig. 3，For a kind of LEDbulb lamp that the present embodiment provides，Including: lamp holder 10、Drive power supply 20、Shell 30、First heat-conducting plate 40、Second heat-conducting plate 50、LED light source 60、Light shield 70、Power line (not shown)，Power supply 20 is driven to be arranged in shell 30，Lamp holder 10 is connected to one end of shell 30，First heat-conducting plate 40 is integrated attachment structure with shell 30，First heat-conducting plate 40 surface is provided with the depressed part 401 of a untight annular，The position of the corresponding depressed part 401 of the second heat-conducting plate 50 is provided with a lobe 501 matched，The lobe 501 of the second heat-conducting plate 50 removably fixes in the depressed part 401 of the first heat-conducting plate 40，Make both fit，The upper surface of the second heat-conducting plate 50 is provided with the light source mounting groove 502 of " one " font，Light source mounting groove 502 two ends of " one " font extend respectively to the outside of the second heat-conducting plate 50 and form insert port，The width of the width of its light source mounting groove 502 and LED light source 60 matches，Light source mounting groove 502 dual-side extends respectively in the middle of light source mounting groove 502，And then form an inverse-T-shaped elongated slot.Insert from insert port with LED light source 60, LED light source 60 both sides are stuck in inverse-T-shaped elongated slot, its light-emitting zone is exposed outside light source mounting groove 502, first heat-conducting plate the 40, second heat-conducting plate 50 is equipped with corresponding through hole 80, lamp holder 10 electrically connects with driving power supply 20 formation, power line is connected to driving power supply 20 and LED light source 60 through through hole 80 and is formed and electrically connects, and lampshade 70 covers LED light source 60 and the second heat-conducting plate 50, and is connected with being threadably secured between shell 30.

In the present embodiment, first heat-conducting plate 40 surface is provided with the depressed part 401 of a untight annular, the position of the corresponding depressed part 401 of the second heat-conducting plate 50 is provided with a lobe 501 matched, depressed part 401 and lobe 501 are set to untight ring-shaped, its first heat-conducting plate 40 and the second heat-conducting plate 50 realize the laminating of fixed position, make easily to position between through hole 80, on the other hand, the second heat-conducting plate 50 can be made to be easily installed and dismantle.

In the present embodiment, first heat-conducting plate 40 is integrated attachment structure with shell 30, heat conduction between first heat-conducting plate 40 and shell 30 is good, the shell 30 of this structural strengthening simultaneously, shell 30 is made to be unlikely to deform, in other embodiments, can also be connected fixing by modes such as screw threads between the first heat-conducting plate 40 and shell 30.

In the present embodiment, light source mounting groove 502 dual-side extends respectively in the middle of light source mounting groove 502, and then forms an inverse-T-shaped elongated slot, while inverse-T-shaped elongated slot can fix LED light source 60, increase with the contact area of LED light source 60, be conducive to the heat of conduction LED light source 60.In other embodiments, light source mounting groove 502 can also be directly disposed as the elongated slot of " one " font, LED light source 60 fixing in, LED light source 60 and light source mounting groove 502 are pasted by available colloid, it is also possible to be fixed by other modes.

In the present embodiment, the lobe 501 of the second heat-conducting plate 50 fixes in the depressed part 401 of the first heat-conducting plate 40, make both fit, increase the contact area of the second heat-conducting plate 50 and the first heat-conducting plate 40, simultaneously, form vertical heat transfer between second heat-conducting plate 50 and the first heat-conducting plate 40, make heat-conducting effect better.

This LEDbulb lamp is in lighting process, the heat that LED light source 60 sends, conduct to the second heat-conducting plate 50 through the sidewall of light source mounting groove 501, bottom and the draw-in groove 503 that extends respectively, conducted to the first heat-conducting plate 40 by the second heat-conducting plate 50 again, conduct to shell 30 then through the first heat-conducting plate 40 and dispel the heat.

If in use, damaging occurs in LED light source 60, take off the second heat-conducting plate 50, LED light source 60 in light source mounting groove 501 is taken out, again new LED light source 60 is snapped in from one end of inverse-T-shaped light source mounting groove 502, then be pushed in light source mounting groove 502, the second heat-conducting plate 50 is conformed to again on the first heat-conducting plate 40, new LED light source 60 connects power line and again electrically connects with driving power supply 20 formation, namely completes the replacing of LED light source 60.

The scheme that this utility model provides, the first heat-conducting plate 40 and shell 30 are integrated attachment structure, between the first heat-conducting plate 40 and shell 30, heat conduction is good, the shell 30 of this structural strengthening simultaneously, make shell 30 be unlikely to deform；Second heat-conducting plate 50 is removably attached on the first heat-conducting plate 40, and installation and removal are convenient, and between the second heat-conducting plate 50 and the first heat-conducting plate 40, contact area is big, and realizes vertical heat transfer, its good heat conduction effect；Second heat-conducting plate 50 is provided with light source mounting groove 501, light source mounting groove 501 is extended with draw-in groove 502, the sidewall of draw-in groove 502 and light source mounting groove 501 contacts with LED light source 60, make the second heat-conducting plate big with the contact area of LED light source, good heat conduction effect, and LED light source 60 fixes on light source mounting groove 501, conveniently take out replacing.

Although specifically showing in conjunction with preferred embodiment and describing this utility model; but those skilled in the art should be understood that; in the spirit and scope of the present utility model limited without departing from appended claims; this utility model can be made a variety of changes in the form and details, be protection domain of the present utility model.

Claims (7)

1. a LEDbulb lamp, including: lamp holder, driving power supply, shell, LED light source, described lamp holder is connected on shell, lamp holder, driving power supply, LED light source form electrical connection loop, it is characterised in that also include: the first heat-conducting plate, the second heat-conducting plate, described first heat-conducting plate is fixed on shell, described second heat-conducting plate is removably attached on the first heat-conducting plate, and described second heat-conducting plate is provided with light source mounting groove, and LED light source is arranged in the light source mounting groove of the second heat-conducting plate.

2. LEDbulb lamp according to claim 1, it is characterised in that: described first heat-conducting plate and shell are integrated attachment structure.

3. LEDbulb lamp according to claim 1, it is characterized in that: described first heat-conducting plate is provided with depressed part, second heat-conducting plate is provided with the lobe that the depressed part with the first heat-conducting plate matches, and the lobe of the second heat-conducting plate removably fixes in the depressed part of the first heat-conducting plate.

4. LEDbulb lamp according to claim 1, it is characterized in that: described light source mounting groove is " one " font elongated slot, its two ends extend respectively to the insert port formed outside the second heat-conducting plate for inserting LED light source, and the width of its light source mounting groove and the width of LED light source match.

5. LEDbulb lamp according to claim 4, it is characterised in that: described light source mounting groove dual-side extends respectively in the middle of light source mounting groove, and then forms an inverse-T-shaped elongated slot.

6. LEDbulb lamp according to claim 1, it is characterised in that: described first heat-conducting plate, the second heat-conducting plate are equipped with corresponding through hole.

7. LEDbulb lamp according to claim 1, it is characterised in that: also including a lampshade, described lampshade covers LED light source and the second heat-conducting plate, and is connected with shell.