CN212298903U - LED lamp light-emitting component - Google Patents

Abstract

The utility model discloses a LED lamp light-emitting component, the light-emitting component includes the heat dissipation casing and sets up the luminescence unit in the heat dissipation casing, the heat dissipation casing includes first casing and the second casing that can dismantle the connection each other, the both ends opening and the inside of first casing are separated into and are had open-ended first cavity and second cavity, the second casing has one end confined bottom and the oral area that one end is open, the sealed setting of luminescence unit in first cavity, be provided with a plurality of hole portions in the bottom of first cavity, the bottom surface of luminescence unit passes through the screw fixation on the hole portion; the light-emitting unit comprises a light-emitting substrate, a light guide plate, a light-transmitting plate and a locking sealing ring, wherein the light guide plate, the light-transmitting plate and the locking sealing ring are arranged on the light-emitting substrate, and a plurality of light-emitting lamp beads which are arranged at equal intervals are arranged on the upper surface of the light-emitting substrate. The utility model discloses simple structure, heat dissipation space is big, and it is easier to dismantle the installation moreover, can transmit gradually the heat that LED light-emitting component produced and distribute away.

Description

LED lamp light-emitting component

Technical Field

The utility model belongs to the technical field of the LED lamps and lanterns, especially, relate to a LED lamps and lanterns light-emitting component.

Background

In the field of lighting, LED (light emitting diode) products are called fourth generation lighting source goods green light emitting sources, have many characteristics such as energy saving, environmental protection, long service life, small volume, and the like, and have been widely used in various fields such as indication, display, decoration, backlight, general lighting, night construction site, and urban night scene, for which the application of LED light emitting products is attracting people's eyes, because LED light emitting sources can generate high brightness, the LED light emitting products are the preferred lighting fixtures in urban road, garden landscape, and night construction site, because the light emitting elements in the LED lamps generate high-power and high-brightness light sources and generate a large amount of heat, if the heat cannot be timely and effectively dissipated, the light attenuation of the light emitting elements of the LED lamps due to overheating is easily caused, and the structural space structure area for effective heat transfer of the LED lamps is small, the light emitting element is easily aged, and the service life of the LED lamp is ultimately affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED lamps and lanterns light-emitting component, according to the utility model discloses a LED lamps and lanterns light-emitting component simple structure, the heat dissipation space is big, and it is relatively easy to dismantle the installation moreover, can transmit gradually the heat that LED light-emitting component produced and distribute away, effectively solves the heat dissipation conduction problem of high-power LED lamps and lanterns. In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to an aspect of the present invention, there is provided a light emitting assembly of an LED lamp, the light emitting assembly includes a heat dissipating housing and a light emitting unit disposed in the heat dissipating housing, the heat dissipating housing includes a first housing and a second housing detachably connected to each other, the interior of the first housing is divided into a first cavity and a second cavity having openings, the second housing has a bottom with a closed end and an opening with an open end, the opening of the second housing is detachably connected to the opening of the second cavity of the first housing, the light emitting unit is disposed in the first cavity in a sealed manner, a plurality of holes are disposed at the bottom of the first cavity, and the bottom of the light emitting unit is fixed to the holes by screws; the light-emitting unit comprises a light-emitting substrate, a light guide plate, a light-transmitting plate and a locking sealing ring, wherein the light guide plate, the light-transmitting plate and the locking sealing ring are arranged on the light-emitting substrate, the lower surface of the light-emitting substrate is tightly attached to the bottom of the first cavity, a plurality of light-emitting lamp beads which are arranged at equal intervals are arranged on the upper surface of the light-emitting substrate, the lower surface of the light guide plate corresponds to the light-emitting lamp beads, a light-gathering cup is formed on the light-transmitting plate, the light-transmitting plate is tightly attached to the upper.

The light-emitting lamp beads are arranged on the light-emitting substrate at intervals in a ring shape from the center to the periphery of the light-emitting substrate.

According to a further preferred embodiment of the above technical scheme, the light-emitting substrate comprises an aluminum substrate layer, an upper insulating layer, a conductive layer, a pad layer and a silk screen layer, wherein the upper insulating layer, the conductive layer, the pad layer and the silk screen layer are arranged on the upper surface of the aluminum substrate layer from bottom to top, the lower insulating layer is arranged on the lower surface of the aluminum substrate layer, and the light-emitting lamp beads are connected with the conductive layer through the pad layer.

In a further preferred embodiment of the above-mentioned solution, a supporting cylinder is vertically disposed on the lower surface of the light guide plate, the upper end of the supporting cylinder is fixed on the lower surface of the light guide plate, and an inner cylinder at the upper end of the supporting cylinder is communicated to the upper surface of the light guide plate.

In a further preferred embodiment of the above aspect, the support column has an upper cylinder and a lower cylinder that are integrally communicated with each other, the upper cylinder has a diameter larger than that of the lower cylinder, the upper end of the upper cylinder is communicated with the upper surface of the light guide plate, a support table is formed between the lower end of the upper cylinder and the lower cylinder, and an internal thread is provided in the lower cylinder.

In a further preferable embodiment of the above scheme, the first housing and the second housing are in a shape of a circular body, a circular truncated cone, or a truncated pyramid, and fin-shaped profiles that are fitted to each other are distributed on the outer wall of the first housing and the outer wall of the second housing in the same vertical direction.

In a further preferred embodiment of the foregoing solution, the transparent plate is any one of a planar lens, a convex lens, a concave lens, a prismatic transparent plate, and a honeycomb transparent plate; the light-gathering cup is in a cone frustum shape or a regular polygonal frustum shape, and a reflective coating is coated on the surface of the inner wall of the cup body of the light-gathering cup.

In a further preferred embodiment of the above solution, a plurality of annular supporting steps are disposed in the first cavity from the bottom to the opening, and the annular supporting steps are used for correspondingly placing the light-emitting substrate, the light guide plate and the light-transmitting plate.

In a further preferred embodiment of the above scheme, a sealed hollow heat transfer cylinder is disposed in the center of the bottom of the second cavity, the hole portion of the bottom of the first cavity at least includes an injection hole, a threaded blind hole and a wire passing hole, which are communicated with the second cavity, and heat dissipation connectors are disposed around the outer sidewall of the hollow heat transfer cylinder and between the inner sidewall of the second cavity at intervals.

In a further preferred mode of the above aspect, the bottom of the first cavity is communicated with the hollow heat transfer cylinder through an injection hole.

To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:

the LED lamp light-emitting component has the advantages that the structure is simple, the heat dissipation space is large, the disassembly and the assembly are easy, the large heat dissipation space is formed in the first shell and the second shell, and the heat generated by the LED lamp light-emitting component can be gradually and outwards transferred and distributed, so that the effect of rapid heat dissipation of the lamp is achieved, the heat dissipation conduction problem of the high-power LED lamp component is effectively solved, the aging period of a light-emitting element of the light-emitting component is effectively delayed, and the service life of the light-emitting component is prolonged; the utility model discloses a LED lamps and lanterns light-emitting component can carry out the reflection of a plurality of directions, makes luminous effect more dazzling, has improved light-emitting component's projection effect greatly.

Drawings

Fig. 1 is a schematic structural diagram of an appearance of a light emitting module of an LED lamp according to the present invention;

fig. 2 is a schematic view of an installation structure of a light emitting unit of an LED lamp when a light emitting module is upright;

fig. 3 is a schematic view of an installation structure of a light emitting unit of an LED lamp when a light emitting module is tilted;

fig. 4 is a schematic view of a partial structure of a light-emitting substrate according to the present invention;

fig. 5 is a schematic view of a partial structure of the light guide plate of the present invention;

FIG. 6 is a schematic view of a portion of the support column of the present invention;

fig. 7 is a front view of the first housing of the present invention;

fig. 8 is a schematic diagram of the first and second housings of the present invention;

in the drawing, a first housing 1, a second housing 2, a light emitting unit 3, a hole portion 4, a fin-shaped profile 5, a heat dissipating housing 10, an access hole 20, a light emitting substrate 30, a light guide plate 31, a light transmitting plate 32, a locking seal ring 33, a light emitting bead 34, a light collecting cup 35, a screw hole 33a, a screw 33b, a supporting cylinder 36, a first cavity 100, a second cavity 101, a fixing hole 100a, an annular supporting step 102, a hollow heat transfer cylinder 103, an injection hole 104, an aluminum substrate layer 300, an upper insulating layer 301, a conductive layer 302, a pad layer 303, a silk-screen layer 304, a lower insulating layer 305, an upper cylinder 306a, a lower cylinder 306b, a supporting table 306c, and a screw 306 d.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1 and 2, according to the present invention, the light emitting assembly of the LED lamp comprises a heat dissipating casing 10 and a light emitting unit 3 disposed in the heat dissipating casing 10, the heat dissipating casing 10 comprises a first casing 1 and a second casing 2 detachably connected to each other, the first casing 1 is divided into a first cavity 100 and a second cavity 101 having openings at both ends, the second casing 2 has a bottom with a closed end and an opening with an open end, the opening of the second casing 2 is detachably connected to the opening of the second cavity 101 of the first casing 1, the light emitting unit 3 is hermetically disposed in the first cavity 100, a plurality of holes 4 are disposed at the bottom of the first cavity 100 to install the light emitting unit 3 in the first cavity 100, the first casing 1 and the second casing 2 are circular bodies, The heat dissipation device comprises a first shell 1, a second shell 2, fins 5, a heat dissipation shell 10 and a light emitting unit 3, wherein the first shell 1 and the second shell are respectively provided with a heat dissipation surface, the fins 5 are in a circular truncated cone shape or a truncated pyramid shape, and are matched with each other in the same vertical direction; the bottom surface of the light emitting unit 3 is fixed to the hole 4 by screws; the light emitting unit 3 includes a light emitting substrate 30, and a light guide plate 31, a light transmitting plate 32 and a locking seal ring 33 which are mounted on the light emitting substrate 30, as shown in fig. 2 and fig. 3, so that the light emitting substrate 30, the light guide plate 31, the light transmitting plate 32 and the locking seal ring 33 are sequentially mounted and fixed outward from the bottom to the mouth of the first cavity 100, the lower surface of the light emitting substrate 30 is closely attached to the bottom of the first cavity 100, a plurality of light emitting beads 34 which are arranged at equal intervals are disposed on the upper surface of the light emitting substrate 30, a light collecting cup 35 is formed on the lower surface of the light guide plate 31 corresponding to the light emitting beads 34, the light transmitting plate 32 is closely attached to the upper surface of the light guide plate 31, and the locking seal ring 33 is tightly pressed on the edge of; be provided with screw 33a on locking seal ring 33's the cross-section, pass through screw 33b after light-passing board 32 and the mutual bonding of locking seal ring 33 sealed the fixing on the opening of first cavity 100, with the opening of placing in first casing 1 of locking seal ring 33, make the fixed orifices 100a on the opening of first casing 1 of aligning of screw 33a on the locking seal ring 33 to be fixed in it on the opening of first casing 1 through screw 33b, after two cavitys are separated into to first casing 1, make divided heating cavity and heat dissipation cavity in the first casing 1, better messenger's luminous base plate 30 of ability carries out the heat dissipation better in first casing 1.

In the present invention, referring to fig. 2 and 4, the light-emitting lamp beads 34 are arranged on the light-emitting substrate 30 at intervals in a ring shape from the center to the periphery of the light-emitting substrate 30; the light-emitting substrate 30 comprises an aluminum substrate layer 300, an upper insulating layer 301, a conducting layer 302, a pad layer 303 and a silk screen layer 304, wherein the upper insulating layer 301, the conducting layer 302, the pad layer 303 and the silk screen layer 304 are arranged on the upper surface of the aluminum substrate layer 300 and are arranged from bottom to top, a lower insulating layer 305 is arranged on the lower surface of the aluminum substrate layer 300 and is a heat conducting silica gel insulating layer, a temperature sensor can be further arranged on the lower insulating layer 305 and is used for detecting heat generated by the aluminum substrate layer 300 when the light-emitting lamp beads 34 emit light, the aluminum substrate layer 300 is tightly attached to the bottom of the first cavity 100 through the heat conducting silica gel insulating layer, heat conduction and heat dissipation performance of the light-emitting substrate 30 are effectively improved, the light-emitting.

In the present invention, referring to fig. 3, 5 and 6, a supporting cylinder 36 is vertically disposed on the lower surface of the light guide plate 31, the upper end of the supporting cylinder 36 is fixed on the lower surface of the light guide plate 31, and an inner cylinder at the upper end of the supporting cylinder 36 is communicated to the upper surface of the light guide plate 31; the support column 36 has an upper cylinder 306a and a lower cylinder 306b integrally connected to each other, the upper cylinder 306a has a diameter larger than that of the lower cylinder 306b, the upper end of the upper cylinder 36a is connected to the upper surface of the light guide plate 301, a support base 306c is formed between the lower end of the upper cylinder 306a and the lower cylinder 36b, and an internal thread is provided in the lower cylinder 306 b. After the light-emitting substrate 30 is fixed at the bottom of the first cavity 100, the light-gathering cup 35 on the light guide plate 31 is sleeved on the light-emitting bead 34, the supporting cylinder 36 is aligned with the screw hole on the light guide plate 31, the screws 306c are sequentially inserted into the upper cylinder 306a and the lower cylinder 306b of the supporting cylinder 306, and the screws 36d are screwed into the screw holes on the lower cylinder 306b and the light plate 31, so that the head of the screw 306d is fixed on the supporting table 306c, and the light guide plate 31 can be quickly fixed on the light-emitting substrate 30, wherein the light-transmitting plate 32 is any one of a planar lens, a convex lens, a concave lens, a prismatic crystal-shaped light-transmitting plate or a honeycomb-shaped light-; spotlight cup 35 is circular truncated cone form or regular polygon prism platform form, has the reflection of light coating at the cup inner wall surface coating of spotlight cup 35, and the light that luminous lamp pearl 34 sent carries out the reflection of a plurality of directions through spotlight cup 35 and reflection of light coating, makes luminous effect more dazzling, has improved light-emitting component's projection effect greatly. The light guide plate 31 and the light collection cup 35 are made of glass, PMMA, or PC plastic having good light transmittance.

In the present invention, referring to fig. 2, 7 and 8, the hole portion 4 at the bottom of the first cavity 100 at least includes an injection hole, a threaded blind hole and a wire passing hole communicated with the second cavity 101, and the power line passes through the wire passing hole from the second cavity 101 to enter the first cavity 100 and is electrically connected to the light emitting substrate 30; the threaded blind holes are used for fixing the light-emitting substrate 30 and the light guide plate 31, and a plurality of annular supporting steps 102 for correspondingly placing the light-emitting substrate 30, the light guide plate 31 and the light-transmitting plate 32 are arranged in the first cavity 100 from the bottom to the opening; each ring-shaped support platform is gradually enlarged from bottom to top, a sealed hollow heat transfer cylinder 103 is arranged at the center of the bottom of the second cavity 101, heat dissipation connecting bodies (not shown) which are distributed at intervals are arranged between the periphery of the outer side wall of the hollow heat transfer cylinder 103 and the inner side wall of the second cavity 101, the heat dissipation connecting bodies are distributed at intervals from the bottom of the second cavity 101 to the mouth direction in a staggered mode, a part of heat generated by the light-emitting substrate 30 is dissipated outwards through the light-transmitting plate 32 and the locking sealing ring 33, most of heat generated by the light-emitting substrate 30 is transferred to the second cavity 101 and the hollow heat transfer cylinder 103 through the bottom of the first cavity 100, the air temperature in the second cavity 101 and the hollow heat transfer cylinder 103 is increased and is transferred outwards, and the air temperature is increased to enable the second shell 2 and the first shell 1 to exchange heat with cold air outside continuously in the outward transfer process, thereby achieving the effect of heat dissipation.

In the utility model, with reference to fig. 2, fig. 3, fig. 5 and fig. 7, the light-emitting lamp bead 34 is a LED light-emitting lamp bead, the light-emitting lamp bead 34 is connected to the LED driving circuit after being connected in series or in parallel, the operating power supply of the LED driving circuit is connected from the access hole 20 at the center of the bottom of the second casing 2, the power line is connected to the LED driving circuit after being connected from the access hole 20, and the heat generated when the light-emitting lamp bead 34 works is reflected according to the temperature detected by the temperature sensor, so that the brightness of the light-emitting lamp bead 34 is adjusted by the driving circuit of the LED; the bottom of the first cavity 100 is communicated with the hollow heat transfer cylinder 103 through the injection hole 104, the injection hole 104 is used for sealing after injecting the heat transfer liquid into the hollow heat transfer cylinder 103 through the injection hole 104, the light-emitting substrate 30 is fixed at the bottom of the first cavity 100 through the insulating heat-dissipating silica gel, then the light guide plate 31, the light-transmitting plate 32 and the locking sealing ring 33 are sequentially fixed in the first shell 1, when the light-emitting lamp bead 34 is electrified to emit light for irradiation, large heat is generated, the heat transfer liquid in the hollow heat transfer cylinder 103 is changed into gas state at high temperature to volatilize, the gas molecules of the heat transfer liquid filling the sealing space of the whole hollow heat transfer cylinder 103 perform thermal motion, the molecules of the gas heat transfer liquid consume heat in the motion process, and simultaneously transfer the heat between the second cavity 101 of the first shell 1 and the hollow heat transfer cylinder 103 and the whole sealing cavity combined by the second cavity 101 and the hollow heat transfer cylinder 103, the heat is rapidly converted into molecular motion kinetic energy, part of the heat is consumed, and meanwhile, the heat is transferred into the second cavity 101 of the first shell 1, so that the heat in the second cavity 101 of the first shell 1 is rapidly dissipated; a temperature sensor can also be adopted to detect the heat generated by the light-emitting lamp bead 34 when the light-emitting substrate 30 works, so that the brightness of the light-emitting lamp bead 34 can be adjusted through a driving circuit of the LED, and the heat generated by the light-emitting lamp bead 34 when the light-emitting lamp bead works is reduced; the periphery of the hollow heat transfer cylinder 103 and the hot air in the second cavity 101 of the first shell 1 are buffered to achieve a heat exchange effect, the periphery of the hollow heat transfer cylinder 103 and the air molecules in the second cavity 101 of the first shell 1 collide with the inner wall of the first shell 1 and the inner wall of the second shell 2 in the temperature rising process, so that the heat transfer is performed with the cold air outside the first shell 1 and the first shell 2, and the heat generated by the light-emitting lamp beads 34 is gradually transferred to the outer wall of the first shell 1 and the second shell 2 through the hollow heat transfer cylinder 103 and is emitted out, so that the effect of rapid heat dissipation of the light-emitting component is achieved, the problem of heat dissipation and conduction of the high-power light-emitting component can be effectively solved, the aging period of the light-emitting element of the light-emitting component is effectively delayed, and the service life of the light-emitting component is.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a LED lamps and lanterns light-emitting component which characterized in that: the light-emitting assembly comprises a heat dissipation shell and a light-emitting unit arranged in the heat dissipation shell, the heat dissipation shell comprises a first shell and a second shell which can be detachably connected with each other, two ends of the first shell are open, the interior of the first shell is divided into a first cavity and a second cavity, the first cavity and the second cavity are provided with openings, the second shell is provided with a bottom with one closed end and an opening with one open end, the cross section of the opening of the second shell is detachably connected with the cross section of the opening of the second cavity of the first shell, the light-emitting unit is hermetically arranged in the first cavity, a plurality of hole parts are arranged at the bottom of the first cavity, and the bottom surface of the light-emitting unit is fixed on the hole parts; the light-emitting unit comprises a light-emitting substrate, a light guide plate, a light-transmitting plate and a locking sealing ring, wherein the light guide plate, the light-transmitting plate and the locking sealing ring are arranged on the light-emitting substrate, the lower surface of the light-emitting substrate is tightly attached to the bottom of the first cavity, a plurality of light-emitting lamp beads which are arranged at equal intervals are arranged on the upper surface of the light-emitting substrate, the lower surface of the light guide plate corresponds to the light-emitting lamp beads, a light-gathering cup is formed on the light-transmitting plate, the light-transmitting plate is tightly attached to the upper.

2. The LED lamp lighting assembly of claim 1, wherein: the luminous lamp beads are arranged on the luminous substrate at intervals in an annular shape from the center to the periphery of the luminous substrate.

3. The LED lamp lighting assembly of claim 1 or 2, wherein: the light-emitting substrate comprises an aluminum substrate layer, an upper insulating layer, a conducting layer, a bonding pad layer and a silk screen printing layer, wherein the upper insulating layer, the conducting layer, the bonding pad layer and the silk screen printing layer are arranged on the upper surface of the aluminum substrate layer from bottom to top, the lower insulating layer is arranged on the lower surface of the aluminum substrate layer, and the light-emitting lamp beads are connected with the conducting layer through the bonding pad layer.

4. The LED lamp lighting assembly of claim 1, wherein: the lower surface of the light guide plate is vertically provided with a supporting cylinder, the upper end of the supporting cylinder is fixed on the lower surface of the light guide plate, and an inner cylinder at the upper end of the supporting cylinder is communicated to the upper surface of the light guide plate.

5. The LED lamp lighting assembly of claim 4, wherein: the inside of supporting the section of thick bamboo post has the last barrel and the lower barrel that form integrative intercommunication each other, the diameter of going up the barrel is greater than the diameter of barrel down, and the upper end of this last barrel communicates to the upper surface of light guide plate, forms a supporting bench between the lower extreme of this last barrel and the barrel down, is provided with the internal thread down in the barrel.

6. The LED lamp lighting assembly of claim 1, wherein: the first shell and the second shell are in a circular body, a circular truncated cone shape or a prismatic frustum shape, and fin-shaped outlines which are matched with each other are distributed on the outer wall of the first shell and the outer wall of the second shell along the same vertical direction.

7. The LED lamp lighting assembly of claim 1, wherein: the light-transmitting plate is any one of a planar lens, a convex lens, a concave lens, a prismatic crystal light-transmitting plate or a honeycomb light-transmitting plate; the light-gathering cup is in a cone frustum shape or a regular polygonal frustum shape, and a reflective coating is coated on the surface of the inner wall of the cup body of the light-gathering cup.

8. The LED lamp lighting assembly of claim 1, wherein: and annular supporting steps for correspondingly placing the light-emitting substrate, the light guide plate and the light-transmitting plate in a multistage manner are arranged in the first cavity from the bottom to the opening part.

9. The LED lamp lighting assembly of claim 1, wherein: the bottom center of the second cavity is provided with a sealed hollow heat transfer cylinder, the hole part at the bottom of the first cavity at least comprises an injection hole, a thread blind hole and a line passing hole which are communicated with the second cavity, and heat dissipation connecting bodies are distributed around the outer side wall of the hollow heat transfer cylinder and between the inner side wall of the second cavity at intervals.

10. The LED lamp lighting assembly of claim 9, wherein: the bottom of the first cavity is communicated with the hollow heat transfer cylinder through an injection hole.

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