CN212565361U - T lamp radiator and T lamp frame structure - Google Patents

Abstract

The utility model discloses a T lamp radiator, including radiator body and the radiating fin who locates radiator body surface, power chamber and LED chamber are cut apart into through the baffle to the radiator body, and power chamber and LED chamber pass through a plurality of through-hole UNICOM on the baffle, LED chamber side is equipped with lamp shade connection structure, the baffle surface of power chamber one side is equipped with a plurality of lamp stand connecting holes, the radiator body is thermal conductive plastic material and integrated into one piece. Compared with the prior art, the utility model discloses a heat conducting plastic adopts the integrated shaping as radiating fin, baffle, location arch, lamp shade connection structure, lamp stand connecting hole, location structure's material and each structure on radiator body and the radiator body, compares the radiator of current die-casting aluminium material, has that the material proportion is light, manufacturing procedure is simple, the aftertreatment is simple, acid and alkali-resistance corrosion resisting property is good, the radiating effect is good, long service life's advantage.

Description

T lamp radiator and T lamp frame structure

Technical Field

The utility model belongs to the technical field of the LED, concretely relates to T lamp radiator and T lamp frame structure.

Background

A T-lamp (also called a ceiling lamp or an LED pillar lamp) using an LED light source is a commonly used lighting device, when the power of an LED is high (for example, more than 30W), heat dissipation is a main factor affecting the service life of the LED, and in order to achieve high heat dissipation, ordinary plastics cannot be used as a material of a heat sink, and an aluminum material with a high thermal conductivity is generally used as a material of a heat dissipation structure/heat sink of the T-lamp. However, the die-casting aluminum material has the defects of high specific gravity, complex processing procedures, easy corrosion, no acid and alkali resistance and the like, and needs post-treatment such as flash treatment, polishing, powder spraying, paint spraying and the like.

In addition, the existing aluminum T-lamp heat sink structure generally has the following problems:

1. the LED cavity is directly attached to a PCB of the LED light-emitting module, no positioning exists, the LED cavity is easy to loosen and has abnormal sound under the action of vibration, and the service life of a product is shortened;

2. the aluminum radiator needs to be provided with a circle of grooves for clamping a lampshade (such as a PC transparent cover or a lens) on one surface (namely the side surface of an LED cavity) close to a PCB (printed circuit board), needs a lathe fixture for clamping a product, and is milled with grooves, so that the process is complex, the processing time is long, and the cost is high; in addition, the lampshade can not be positioned and fastened under the condition of rotating along the groove, and potential safety hazards exist;

3. due to the limitation of the aluminum piece punch forming process, demoulding is difficult in the processing process, an ejecting boss structure needs to be added on the inner side (such as the position near a lamp holder connecting hole) of the T lamp radiator structure, the internal space is occupied, the ejecting boss needs to be avoided when other structures are installed, the assembling freedom degree is low, and the assembling time is long.

SUMMERY OF THE UTILITY MODEL

In order to solve one of the aforementioned problems that exist among the prior art, the utility model provides a T lamp radiator that has that the material proportion is light, manufacturing procedure is simple, the aftertreatment is simple, acid and alkali-resistance corrosion resisting property is good, the radiating effect is good, long service life specifically realizes through following technical scheme:

the utility model provides a T lamp radiator, includes radiator body and the radiating fin who locates radiator body surface, power chamber and LED chamber are cut apart into through the baffle to the radiator body, and power chamber and LED chamber pass through a plurality of through-hole UNICOMs on the baffle, LED chamber side is equipped with lamp shade connection structure, the baffle surface of power chamber one side is equipped with a plurality of lamp stand connecting holes, the radiator body is heat conduction plastic material and integrated into one piece.

Optionally, the top of the heat dissipation fin is provided with a protrusion structure extending along the surface of the heat dissipation fin. On the one hand, the rib-shaped heat dissipation fin can be used as a stress structure for demoulding and ejecting, on the other hand, the rib-shaped heat dissipation fin plays a role in exhausting when being injected, and prevents ribs of the heat dissipation fin from being trapped in air and being in glue shortage.

Optionally, the lampshade connecting structure is provided with a plurality of clamping grooves. But one shot moulding need not to mill out the step through complicated slot, and processing is convenient simple, and draw-in groove and the protruding combination of being connected of last assorted of lamp shade, inject the lamp shade and rotate, and whole lamp fastness is higher, reduces the potential safety hazard.

Optionally, a positioning protrusion is arranged on the surface of the partition plate on one side of the LED cavity. Can directly laminate the location with the LED light emitting module (like the PCB board) in the T lamp, avoid receiving vibrations not hard up and produce abnormal sound, increase product life.

Optionally, the edge of the lamp holder connecting hole is provided with a positioning structure for positioning the lamp holder connecting hole. The connecting structure on the lamp holder can be conveniently and accurately placed at the connecting hole of the lamp holder, and the connecting efficiency of parts is improved.

Optionally, the thermal conductivity of the thermally conductive plastic material is 3-50W/(m · K). Can guarantee certain mechanical strength and mechanical properties when guaranteeing enough heat dissipation.

The application still provides a T lamp frame structure that contains aforementioned T lamp radiator, including lamp stand, T lamp radiator and lamp shade, be equipped with on the lamp stand with the lamp stand connecting hole in the radiator body and location structure assorted spliced pole, the radiator body passes through lamp shade connection structure and is connected with the lamp shade.

Optionally, the lampshade connecting structure is provided with a plurality of clamping grooves, and a plurality of connecting bulges matched with each other are arranged on the corresponding lampshade.

Optionally, the T-lamp frame further includes a heat conducting metal sheet attached to the surface of the partition plate on one side of the LED cavity. The heat conducting metal sheet is preferably made of aluminum. The heat that high-power LED light emitting module produced that can be more quick passes to the heat conduction sheetmetal in the increase of heat conduction sheetmetal to through the inseparable laminating of heat conduction sheetmetal and radiator body, dispel the heat in transferring the heat to the radiator body fast, strengthen holistic radiating effect.

Optionally, the heat conducting metal sheet is attached to the radiator body through a plastic-embedded aluminum process. The laminating is inseparabler, and the radiating effect is better.

Compared with the prior art, the application also has the following beneficial effects:

the utility model discloses a heat conducting plastic adopts the integration shaping as radiating fin, baffle, location arch, lamp shade connection structure, lamp stand connecting hole, location structure's on radiator body and the radiator body material and each structure, compares the radiator of current die-casting aluminium material, has that the material proportion is light, manufacturing procedure is simple, the aftertreatment is simple, acid and alkali-resistance corrosion resisting property is good, the radiating effect is good, long service life's advantage.

Drawings

Fig. 1 is an exploded view of a T-lamp frame structure according to an embodiment;

FIG. 2 is a schematic structural diagram of an LED cavity side of a T-lamp heat sink according to an embodiment;

fig. 3 is a schematic structural diagram of a power supply cavity side of the T-lamp heat sink according to the embodiment.

The reference numbers in the figures are: 1. the LED lamp comprises a lamp holder, 101 connecting columns, 2T lamp radiators, 201 radiator bodies, 202 partition plates, 203 power supply cavities, 204 LED cavities, 205 through holes, 206 clamping grooves, 207 lamp holder connecting holes, 208 positioning structures, 209 positioning protrusions, 210 radiating fins, 211 protrusion structures, 3 lamp covers, 301 connecting protrusions and 4 heat conducting metal sheets.

Detailed Description

The technical solutions of the present invention are further described below with reference to specific embodiments, and it should be noted that the specific embodiments of the present invention are not intended to limit the claims of the present invention.

Examples

The T lamp frame shown in the figures 1-3 comprises a lamp holder 1, a T lamp radiator 2 and a lamp shade 3, wherein the T lamp radiator 2 comprises a radiator body 201 and radiating fins 210 arranged on the outer surface of the radiator body 201, the radiator body 201 is divided into a power supply cavity 203 and an LED cavity 204 through a partition plate 202, the power supply cavity 203 and the LED cavity 204 are communicated through a plurality of through holes 205 in the partition plate 202, the side surface of the LED cavity 204 is provided with a connecting structure of the lamp shade 3, the surface of the partition plate 202 on one side of the power supply cavity 203 is provided with a plurality of lamp holder 1 connecting holes, the edge of each lamp holder 1 connecting hole is provided with a positioning structure 208 for positioning the lamp holder 1 connecting hole, and the radiator body 201 is made of heat-conducting.

The lamp holder 1 is provided with a connecting column 101 matched with a lamp holder 1 connecting hole and a positioning structure 208 in the radiator body 201, and the radiator body 201 is connected with the lampshade 3 through a lampshade 3 connecting structure. The positioning structure 208 facilitates the connection structure on the lamp holder 1 to be placed at the connection hole of the lamp holder 1 quickly and accurately, thereby improving the connection efficiency of the components.

Wherein, the top of the heat dissipation fin 210 is provided with a protrusion 211 extending along the surface of the heat dissipation fin 210. On the one hand, the rib-shaped heat dissipation fin 210 can be used as a stress structure for demoulding and ejecting, on the other hand, the rib-shaped heat dissipation fin has an exhaust effect during injection molding, and rib air trapping and glue shortage of the heat dissipation fin 210 are prevented.

The lampshade 3 connecting structure is a plurality of clamping grooves 206. But one shot moulding need not to mill out the step through complicated slot, and processing is convenient simple, and draw-in groove 206 combines with the protruding 301 of being connected of last assorted of lamp shade 3, inject lamp shade 3 and rotate, and whole lamp fastness is higher, reduces the potential safety hazard. The lampshade 3 is provided with a plurality of connecting bulges 301 matched with the plurality of clamping grooves 206.

Wherein, the surface of the partition plate 202 at one side of the LED cavity 204 is provided with a positioning projection 209. Can directly laminate the location with the LED light emitting module (like the PCB board) in the T lamp, avoid receiving vibrations not hard up and produce abnormal sound, increase product life.

Wherein the thermal conductivity of the thermal conductive plastic material is 3-50W/(m.K). Can guarantee certain mechanical strength and mechanical properties when guaranteeing enough heat dissipation.

The T-lamp frame further includes a heat conductive metal sheet 4 attached to the surface of the partition plate 202 on one side of the LED cavity 204. The thermally conductive metal sheet 4 is preferably an aluminum material. The increase of heat conduction sheetmetal 4, can be faster transmit the heat that high-power LED light emitting module produced to heat conduction sheetmetal 4 rapidly to through the inseparable laminating of heat conduction sheetmetal 4 and radiator body 201, dispel the heat in transferring the heat to radiator body 201 fast, strengthen holistic radiating effect.

The heat conducting metal sheet 4 is attached to the radiator body 201 through a plastic-embedded aluminum process. The laminating is inseparabler, and the radiating effect is better.

The heat conducting metal sheet 4 may be made of metal with high heat conductivity such as aluminum and copper.

It should be noted that the above contents described in the present specification are only examples of the technical solution of the present invention. All according to the utility model discloses the patent design simple change or the equivalent change that do of characteristic and principle all be included in the utility model discloses a protection within range. Those skilled in the art can make various modifications or additions to the described embodiments or substitute them in a similar manner without departing from the technical idea of the present invention or exceeding the scope defined by the claims, which shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a T lamp radiator, its characterized in that includes the radiator body and locates the radiating fin of radiator body surface, power chamber and LED chamber are separated into through the baffle to the radiator body, and power chamber and LED chamber pass through a plurality of through-hole UNICOM on the baffle, LED chamber side is equipped with lamp shade connection structure, the baffle surface of power chamber one side is equipped with a plurality of lamp stand connecting holes, the radiator body is heat conduction plastic material and integrated into one piece.

2. A T-lamp heat sink as recited in claim 1 wherein the top of the fins have raised structures extending along the surface of the fins.

3. A T-lamp heat sink as recited in claim 1, wherein said lamp housing attachment structure is a plurality of slots.

4. A T-lamp heat sink as claimed in claim 1, wherein the surface of the partition on one side of the LED cavity is provided with a positioning protrusion.

5. A T-lamp heat sink as claimed in claim 1, wherein the lamp socket coupling hole is provided at its edge with a positioning structure for positioning the lamp socket coupling hole.

6. A T-lamp heat sink as claimed in any one of claims 1 to 5, wherein the thermal conductivity of the thermally conductive plastic material is 3 to 50W/(m.K).

7. A T lamp frame structure comprising the T lamp radiator of any one of claims 1-6, which is characterized by comprising a lamp holder, the T lamp radiator and a lampshade, wherein the lamp holder is provided with a connecting column matched with a lamp holder connecting hole and a positioning structure in a radiator body, and the radiator body is connected with the lampshade through the lampshade connecting structure.

8. A T-lamp frame structure as claimed in claim 7, wherein the lampshade connecting structure is a plurality of slots, and a plurality of matching connecting protrusions are provided on the corresponding lampshade.

9. The T-lamp frame structure of claim 7, further comprising a thermally conductive metal sheet attached to a surface of the spacer on one side of the LED cavity.

10. The T-lamp frame structure of claim 9, wherein the heat conductive metal sheet is attached to the heat sink body by an aluminum-on-plastic process.

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