CN208237668U - A kind of bright fitted tube lamp of LED convenient for heat dissipation - Google Patents

Abstract

The utility model discloses a kind of bright fitted tube lamps of LED convenient for heat dissipation, include cylinder and is mounted on the intracorporal bottom plate of cylinder, bottom plate is equipped with LED lamp panel, LED lamp panel includes flat-plate heat pipe and the circuit layer that flat-plate heat pipe lower surface is arranged in and multiple LED chips, the upper surface of flat-plate heat pipe is removable to be connected with heat sink, multiple LED chips are distributed in the surface of circuit layer in a manner of matrix arrangement, transparent silica gel is provided between circuit layer and multiple LED chips, transparent silica gel is used for packaging LED chips, lower surface is set as plane AIN insulated ceramic plates, on, convex cavity is formed between lower surface, convex cavity is provided with ventilation opening, it is connected to outside, heat dissipation Circular Plate is provided in convex cavity, the surface of heat dissipation Circular Plate is axially provided with porous structure, radiate annulus plate surface It is provided with radially distributed inner groovy, heat dissipation Circular Plate is bonded with upper and lower surfaces.The radiating efficiency of the bright fitted tube lamp of LED can be improved in the utility model.

Description

A kind of bright fitted tube lamp of LED convenient for heat dissipation

Technical field

The utility model relates to panel light technical field more particularly to a kind of bright fitted tube lamps of LED convenient for heat dissipation.

Background technique

Downlight is a kind of illuminator for being embedded into light down-ejection type in ceiling.Its maximum feature is exactly to be able to maintain to build Build decoration entirety it is unified with it is perfect, will not because of lamps and lanterns setting and destroy the perfect unity of furred ceiling art.It is this to be flush-mounted in Hidden setting property lamps and lanterns inside ceiling, all light all project downwards, belong to direct light distribution.Different reflectors, mirror can be used Piece, shutter, light bulb, to obtain different light effects.Downlight prevents take up space, can increase the soft atmosphere in space, if Want to build warm feeling, can try to install more downlights, mitigate space constriction.Generally used in hotel, family, coffee shop It is more.But the generated heat increase in unit volume of the bright fitted tube lamp of LED quickly, therefore, carries out the bright fitted tube lamp of LED Thermal control is the major issue that it advances.At the same time, apply the bright fitted tube lamp of the LED in LED product in traditional product In, but the heat sinking function of itself or heat sinking function be not inefficient, this is greatly lowered the heat dissipation effect of the bright fitted tube lamp product of LED Rate.

Utility model content

To solve the disadvantage that the prior art and deficiency, a kind of bright fitted tube lamp of the LED convenient for heat dissipation is provided, to reach raising The purpose of the bright fitted tube lamp radiating efficiency of LED.

The bright fitted tube lamp of a kind of LED convenient for heat dissipation provided to realize the utility model aim, include cylinder and It is mounted on the intracorporal bottom plate of cylinder, mounting hole is provided in the middle part of the bottom plate, LED lamp panel, the LED is installed in the mounting hole Lamp plate include flat-plate heat pipe and be arranged in flat-plate heat pipe lower surface circuit layer and multiple LED chips, it is characterised in that: The upper surface of the flat-plate heat pipe is removable to be connected with heat sink, and multiple LED chips are distributed in a manner of matrix arrangement The surface of the circuit layer is provided with transparent silica gel between the circuit layer and multiple LED chips, the transparent silica gel is for sealing LED chip is filled, the lower surface is set as plane AIN insulated ceramic plates, is formed with convex cavity between the upper and lower surfaces, The convex cavity is provided with ventilation opening, be connected to outside, the convex cavity it is raised towards the upper surface and with it is described Heat sink abuts, and heat dissipation Circular Plate is provided in the convex cavity, and the surface of the heat dissipation Circular Plate is axially provided with Porous structure, the heat dissipation annulus plate surface are provided with radially distributed inner groovy, and the both ends of the inner groovy connect respectively Lead to the inner periphery and the outer periphery of the heat dissipation Circular Plate, the heat dissipation Circular Plate is bonded with upper and lower surfaces.

As a further improvement of the foregoing solution, the side of the upper surface towards lower surface is provided with radiating gasket, institute Heat dissipation Circular Plate is stated to directly fit with radiating gasket and abut with upper and lower surfaces.

As a further improvement of the foregoing solution, evenly distributed in the circumferential direction on the heat sink to have several heat dissipations Hole, the heat release hole are provided with multiple groups, and heat release hole described in multiple groups is spread from heat sink center to excircle, and on same circumference Several heat release holes head and the tail both ends connection.

As a further improvement of the foregoing solution, the both ends of the heat release hole are in penetrating arched door shape.

As a further improvement of the foregoing solution, the heat sink is set as radiating fin.

As a further improvement of the foregoing solution, the drum surface is provided with thermally conductive grid.

The beneficial effects of the utility model are:

Compared with prior art, the bright fitted tube lamp of LED of the utility model design, the removable connection in the upper surface of flat-plate heat pipe Have a heat sink, multiple LED chips are distributed in the surface of circuit layer in a manner of matrix arrangement, circuit layer and multiple LED chips it Between be provided with transparent silica gel, transparent silica gel is used for packaging LED chips, and lower surface is set as plane AIN insulated ceramic plates, exists in this way One layer insulating can be set less between circuit layer and flat-plate heat pipe, the good thermal conductivity of ALN is utilized to realize LED chip heat It quickly scatters and disappears, significantly reduces system thermal resistance, greatly improve radiating efficiency, and then reduce the junction temperature of LED chip, extend The service life and reliability of LED chip.In addition, convex cavity is additionally provided between upper and lower surfaces, the setting of convex cavity There is ventilation opening, be connected to outside, behind lower surface of the heat transfer to flat-plate heat pipe of LED chip generation, heat can be by Ventilation opening is with extraneous into heat exchange, rapid cooling；Convex cavity is abutted towards upper surface protrusion and with heat sink, can be passed through The heat transfer that heat transfer generates LED chip is to heat sink, rapid cooling, is provided with heat dissipation Circular Plate in convex cavity, dissipates Hot Circular Plate is bonded with upper and lower surfaces, can be quickly through the heat transfer that solid thermal conduction generates LED chip to heat dissipation Plate, the surface for the Circular Plate that radiates axially are provided with porous structure, and heat dissipation annulus plate surface is provided with radially distributed Inner groovy, the both ends of inner groovy are respectively communicated with the inner periphery and the outer periphery of heat dissipation Circular Plate, so that contact of the heat dissipation Circular Plate with air Area becomes larger, and accelerates to accelerate speed with the heat of air.The bright fitted tube lamp of a kind of LED convenient for heat dissipation provided by the utility model, can To achieve the purpose that improve the bright fitted tube lamp radiating efficiency of LED.

Detailed description of the invention

Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, in which:

Fig. 1 is the decomposition texture schematic diagram of the utility model；

Fig. 2 is the cross-sectional view of the LED lamp panel of the utility model；

Fig. 3 is the bottom plate of the utility model and the attachment structure schematic diagram of heat sink；

Fig. 4 is the decomposition texture schematic diagram of the flat-plate heat pipe of the utility model.

Specific embodiment

As Figure 1-Figure 4, the bright fitted tube lamp of a kind of LED convenient for heat dissipation provided by the utility model includes cylinder 1 with And it is mounted on the bottom plate 2 in cylinder 1, it is provided with mounting hole in the middle part of bottom plate 2, LED lamp panel 14, LED lamp panel are installed in mounting hole 14 include flat-plate heat pipe 3 and the circuit layer 4 and multiple LED chips 5 that 3 lower surface 8 of flat-plate heat pipe is arranged in, flat-plate heat pipe 3 Upper surface 11 it is removable be connected with heat sink 6, it is evenly distributed in the circumferential direction on heat sink 6 to have several heat release holes 12, dissipate The both ends of hot hole 12 are in penetrating arched door shape, and heat release hole 12 is provided with multiple groups, and multiple groups heat release hole 12 is outside by 6 center of heat sink Circumference diffusion, and the head and the tail both ends connection of several heat release holes 12 on same circumference.Multiple LED chips 5 are with matrix arrangement Mode be distributed in the surface of circuit layer 4, transparent silica gel 7, transparent silica gel 7 are provided between circuit layer 4 and multiple LED chips 5 For packaging LED chips 5, lower surface 8 is set as plane AIN insulated ceramic plates, is formed between upper surface 11, lower surface 8 convex Type cavity, convex cavity are provided with ventilation opening, be connected tos with outside, convex cavity it is raised towards upper surface 11 and with heat sink 6 It abuts, heat dissipation Circular Plate 9 is provided in convex cavity, the side of upper surface 11 towards lower surface 8 is provided with radiating gasket 15, dissipates Hot Circular Plate 9 is directly fitted with radiating gasket 15 and is abutted with upper surface 11, lower surface 8.The surface for the Circular Plate 9 that radiates is axially It is provided with porous structure, heat dissipation 9 surface of Circular Plate is provided with radially distributed inner groovy 10, the both ends difference of inner groovy 10 The inner periphery and the outer periphery of connection heat dissipation Circular Plate 9, heat dissipation Circular Plate 9 are bonded with upper surface 11, lower surface 8.In the utility model, dissipate Hot plate 6 may be arranged as radiating fin.For the ease of heat dissipation, thermally conductive grid 13 can be set on 1 surface of cylinder.With existing skill Art is compared, and the bright fitted tube lamp of LED of the utility model design, the upper surface 11 of flat-plate heat pipe 3 is removable to be connected with heat sink 6, more A LED chip 5 is distributed in the surface of circuit layer 4 in a manner of matrix arrangement, is provided between circuit layer 4 and multiple LED chips 5 Transparent silica gel 7, transparent silica gel 7 are used for packaging LED chips 5, and lower surface 8 is set as plane AIN insulated ceramic plates, in this way in circuit One layer insulating can be set less between layer 4 and flat-plate heat pipe 3, the good thermal conductivity of ALN is utilized to realize 5 heat of LED chip It quickly scatters and disappears, significantly reduces system thermal resistance, greatly improve radiating efficiency, and then reduce the junction temperature of LED chip 5, extend The service life and reliability of LED chip 5.In addition, being additionally provided with convex cavity, convex between upper surface 11, lower surface 8 Cavity is provided with ventilation opening, is connected to outside, after the heat transfer to the lower surface of flat-plate heat pipe 38 that LED chip 5 generates, heat Amount can be by ventilation opening and extraneous into heat exchange, rapid cooling；Convex cavity towards the protrusion of upper surface 11 and with heat sink 6 It abuts, the heat transfer that heat transfer generates LED chip 5 to heat sink 6, rapid cooling, the interior setting of convex cavity can be passed through There is heat dissipation Circular Plate 9, heat dissipation Circular Plate 9 is bonded with upper surface 11, lower surface 8, can be quickly through solid thermal conduction by LED core For the heat transfer that piece 5 generates to heat sink 6, the surface for the Circular Plate 9 that radiates axially is provided with porous structure, heat dissipation Circular Plate 9 surfaces are provided with radially distributed inner groovy 10, and the both ends of inner groovy 10 are respectively communicated with the inner circumferential of heat dissipation Circular Plate 9 and outer Week accelerates to accelerate speed with the heat of air so that heat dissipation Circular Plate 9 and the contact area of air become larger.The utility model provides A kind of bright fitted tube lamp of LED convenient for heat dissipation, can achieve improve the bright fitted tube lamp radiating efficiency of LED purpose.

Above embodiments are not limited to the technical solution of the embodiment itself, can be incorporated between embodiment new Embodiment.Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model It is interior.

Claims (6)

1. a kind of bright fitted tube lamp of LED convenient for heat dissipation includes cylinder (1) and the bottom plate (2) being mounted in cylinder (1), institute It states and is provided with mounting hole in the middle part of bottom plate (2), be equipped in the mounting hole LED lamp panel (14), the LED lamp panel (14) includes The circuit layer (4) and multiple LED chips (5) of flat-plate heat pipe (3) and setting in the lower surface (8) of flat-plate heat pipe (3), feature Be: the upper surface (11) of the flat-plate heat pipe (3) is removable to be connected with heat sink (6), and multiple LED chips (5) are with square The mode of battle array arrangement is distributed in the surface of the circuit layer (4), is provided between the circuit layer (4) and multiple LED chips (5) Transparent silica gel (7), the transparent silica gel (7) are used for packaging LED chips (5), and the lower surface (8) is set as plane AIN insulation Ceramic wafer is formed with convex cavity between the upper surface (11), lower surface (8), the convex cavity is provided with ventilation opening, with Outside connection, the convex cavity are abutted towards the upper surface (11) protrusion and with the heat sink (6), and the convex is empty Intracavitary to be provided with heat dissipation Circular Plate (9), the surface of heat dissipation Circular Plate (9) is axially provided with porous structure, described to dissipate Hot Circular Plate (9) surface is provided with radially distributed inner groovy (10), and the both ends of the inner groovy (10) are respectively communicated with institute The inner periphery and the outer periphery of heat dissipation Circular Plate (9) are stated, the heat dissipation Circular Plate (9) is bonded with upper surface (11), lower surface (8).

2. the bright fitted tube lamp of a kind of LED convenient for heat dissipation according to claim 1, it is characterised in that: the upper surface (11) It is provided with radiating gasket (15) towards the side of lower surface (8), the heat dissipation Circular Plate (9) directly fits with radiating gasket (15) It is abutted with upper surface (11), lower surface (8).

3. the bright fitted tube lamp of a kind of LED convenient for heat dissipation according to claim 2, it is characterised in that: on the heat sink (6) Evenly distributed in the circumferential direction to have several heat release holes (12), the heat release hole (12) is provided with multiple groups, heat release hole described in multiple groups (12) it is spread from heat sink (6) center to excircle, and the head and the tail two of several heat release holes (12) on same circumference End connection.

4. the bright fitted tube lamp of a kind of LED convenient for heat dissipation according to claim 3, it is characterised in that: the heat release hole (12) Both ends be in penetrating arched door shape.

5. the bright fitted tube lamp of a kind of LED convenient for heat dissipation according to claim 2, it is characterised in that: the heat sink (6) sets It is set to radiating fin.

6. according to the bright fitted tube lamp of a kind of LED convenient for heat dissipation any in claim 3-5, it is characterised in that: the cylinder Body (1) surface is provided with thermally conductive grid (13).