CN210891273U - Lighting device - Google Patents

Abstract

The utility model relates to a lighting device. The lighting device comprises a first lighting part, a second lighting part and an optical isolation cylinder part, wherein the first lighting part and the second lighting part are arranged in a staggered mode in the axial direction of the lighting device, in the axial projection, the first lighting part is located on the inner side in the radial direction of the optical isolation cylinder part, the second lighting part is located on the outer side in the radial direction of the optical isolation cylinder part, light rays of the first lighting part are emitted from the lower side of the lighting device in the axial direction, and light rays of the second lighting part are at least partially emitted from the side face of the lighting device in the radial direction of the lighting device. The utility model discloses a lighting device's illuminating effect is better.

Description

Lighting device

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a lighting device.

Background

Lighting devices (e.g., downlights) are a common fixture in life. With the development of society and technology, people have higher and higher requirements on lighting effect and decoration degree of lighting devices.

At present, the lighting device usually has only one group of light sources, the lighting effect is single, the adjustment can not be carried out according to the environment or the actual demand, and the decorative effect is also poorer.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned defect among the prior art, the utility model aims to provide a lighting device that illuminating effect is better.

Therefore, the utility model provides the following technical scheme.

The utility model provides a lighting device, which comprises a first lighting part, a second lighting part and an optical isolation barrel part,

the first light emitting portion and the second light emitting portion are provided with a shift in an axial direction of the lighting device,

in a projection along the axial direction, the first light-emitting portion is located on a radial inner side of the optical isolation cylinder portion, the second light-emitting portion is located on a radial outer side of the optical isolation cylinder portion,

the light of the first light-emitting portion is emitted from below the lighting device in the axial direction, and the light of the second light-emitting portion is emitted from a side surface of the lighting device at least partially in a radial direction of the lighting device.

In at least one embodiment, the lighting device further comprises a housing and a fixation panel connected with the housing,

the first light-emitting part is fixedly arranged on the shell,

the fixing panel supports the optical isolation cylinder portion in the axial direction.

In at least one embodiment, the lighting device further comprises a mounting bracket, wherein the mounting bracket is respectively connected with the shell and the fixed panel, and the mounting bracket is positioned between the shell and the fixed panel in the axial direction.

In at least one embodiment, the lighting device further includes a light guide plate, the light guide plate is located between the mounting bracket and the fixing panel in the axial direction, the second light-emitting portion is located between the light guide plate and the light-isolating cylinder portion in the radial direction, and light of the second light-emitting portion is guided by the light guide plate and then emitted.

In at least one embodiment, the illumination device further includes a lens located between the first light-emitting portion and the optical isolation cylinder portion in the axial direction,

the lens is used for converging the light emitted by the first light emitting part, so that the light emitted by the first light emitting part enters the optical isolation cylinder.

In at least one embodiment, the optical isolation cylinder is a reflector cup.

In at least one embodiment, the lighting device further comprises a housing and a light emitting cover, the housing is fixedly connected with the light emitting cover,

the first light-emitting part is fixedly arranged on the shell,

the light-emitting cover is in the axial supports fixedly light isolation barrel portion.

In at least one embodiment, the second light emitting portion is fixedly attached to an axial side of the light emitting cover facing away from the housing.

In at least one embodiment, the lighting device further includes a reflecting tube, the second light emitting portion is disposed between the side wall of the light emitting cover and the reflecting tube in the radial direction, and the light of the second light emitting portion is reflected by the reflecting tube and emitted from the light emitting cover.

In at least one embodiment, the lighting device further includes a transparent protective cover disposed between the optical isolation cylinder and the reflector cylinder in the axial direction.

Through adopting foretell technical scheme, the utility model provides a lighting device, through setting up two sets of illuminating parts, the light of one of them group illuminating part sends along lighting device's axial, and the light of another group illuminating part is at least partly sent from lighting device's radial, and then can make lighting device's illuminating effect better.

Drawings

Fig. 1 shows a schematic structural view of a first embodiment of a lighting device according to the present invention.

Fig. 2 shows an exploded view of fig. 1 (excluding the power supply section).

Fig. 3 shows a cross-sectional view of fig. 1 (excluding the power supply portion).

Fig. 4 shows a schematic structural view of the housing in fig. 2.

Fig. 5 shows a schematic structural view of the mounting frame in fig. 2.

Fig. 6 shows a schematic view of the structure of the fixing panel in fig. 2.

Fig. 7 shows a schematic structural view of the reflective cup of fig. 2.

Fig. 8 illustrates a schematic structural view of the light guide plate in fig. 2.

Fig. 9 shows a schematic structural diagram of a second embodiment of the lighting device according to the present invention.

Fig. 10 shows the exploded view of fig. 9 (excluding the power supply section).

Fig. 11 shows a cross-sectional view of fig. 9 (excluding the power supply portion).

Fig. 12 shows a schematic structural view of the housing in fig. 10.

Fig. 13 shows a schematic view of the structure of the light emitting cover of fig. 10.

Fig. 14 shows a schematic structural view of the optical splitter cylinder in fig. 10.

Fig. 15 shows a schematic structural view of the reflex cartridge in fig. 10.

Description of the reference numerals

100 a power supply section; 200 a main body portion;

1. 10 a housing; 11. 101 an installation space; 12 a first fixing hole; 102 a fifth fixing hole;

2. 20 springs;

3. 30 a first light emitting portion; 31. 301 a first light source; 32. 302 a first light source mounting board;

4, mounting a frame; 41 a first fixed part; 411 second fixing holes; 412 a third fixing hole; 42 a clamping part;

5 fixing the panel; 51 a second fixed part; 511 a fourth fixing hole; a 52 panel portion; 521 positioning grooves;

6 a lens;

7 a reflection cup; 71 a stepped portion; 72 a support portion;

8. 70 a second light emitting section; 81. 701 a second light source; 82. 702 a second light source mounting plate; 7021 eighth fixing hole;

9 a light guide plate; 91 positioning blocks;

40 a light emitting cover; 401 securing the top; 4011 a sixth fixing hole; 4012 a seventh fixing hole; a sidewall portion 402;

50 light splitting cylinders; 501 a cylindrical body; 502 fixing the bottom; 5021 an arc plate; 5022 supporting the projection; 5023 a clamping hole;

60 a protective cover;

80 a reflective cylinder; 801 a reflective wall portion; 802, a latch portion.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is only intended to teach one skilled in the art how to practice the invention, and is not intended to exhaust all possible ways of practicing the invention, nor is it intended to limit the scope of protection of the invention.

The references to "upper", "lower", "left", "right", "top" and "bottom" in the present invention are based on the corresponding drawings, and are not intended to limit the actual installation manner of the lighting device.

(first embodiment)

A first embodiment of the lighting device according to the present invention is explained in detail below with reference to fig. 1 to 8.

In the present embodiment, as shown in fig. 1 and 2, the lighting device includes a power supply unit 100 and a main body unit 200. The power supply unit 100 supplies power to the main body 200.

The main body part 200 includes a housing 1, a spring 2, a first light emitting part 3, a mounting frame 4, a fixing panel 5, a lens 6, a reflective cup 7 (optical isolation cylinder part), a second light emitting part 8, and a light guide plate 9.

In the present embodiment, as shown in fig. 2, 3, and 4, the housing 1 having a substantially cylindrical shape as a whole is formed with the mounting space 11, and the first light-emitting portion 3 and the lens 6 are provided in the mounting space 11.

The housing 1 is opened with a first fixing hole 12 along its axial direction. The first fixing holes 12 may be plural, and the plural first fixing holes 12 may be uniformly spaced in the circumferential direction of the housing 1.

In the present embodiment, as shown in fig. 1 and 2, there are two springs 2, and the two springs 2 are provided on the side wall of the housing 1 so as to be rotatable with respect to the housing 1. It will be appreciated that the lighting device may be snap-fitted to a corresponding mounting structure (e.g. a ceiling) by means of the spring 2.

In the present embodiment, as shown in fig. 2 and 3, the first light emitting portion 3 includes a first light source 31 and a first light source mounting board 32. The first light source 31 is disposed on the first light source mounting plate 32, and the first light source mounting plate 32 is fixedly connected to the top of the housing 1 by a fastener.

In the present embodiment, as shown in fig. 2, 3, and 5, the mount 4 is substantially annular as a whole. The mount 4 includes a first fixing portion 41 and a clamping portion 42. The first fixing portion 41 extends from the radially inner edge of the holding portion 42 in an axial direction of the mounting bracket 4.

The first fixing portion 41 defines a second fixing hole 411 and a third fixing hole 412. The second fixing holes 411 are disposed in one-to-one correspondence with the first fixing holes 12, and the first fixing portions 41 are fixedly connected to the housing 1 by fasteners (e.g., bolts) inserted through the first fixing holes 12 and the second fixing holes 411. The third fixing hole 412 is used to fix the mounting bracket 4 and a fixing panel 5 described below. The first fixing portion 41 is disposed radially inside the housing 1.

The holding portion 42 extends from the radially inner side of the housing 1 to the radially outer side of the housing 1 in the radial direction of the housing 1, and the upper surface of the holding portion 42 is in close contact with the lower end surface of the housing 1. The clamping portion 42 is for clamping the light guide plate 9 (see fig. 3) described below in cooperation with the fixing panel 5 described below.

In the present embodiment, as shown in fig. 2, 3, and 6, the fixing panel 5 having a substantially ring shape as a whole includes a second fixing portion 51 and a panel portion 52. The second fixing portion 51 is provided to project from the upper surface of the panel portion 52 in the axial direction of the fixing panel 5.

The second fixing portion 51 is provided with a fourth fixing hole 511, and the second fixing portion 51 is fixedly connected to the mounting frame 4 by a fastener penetrating through the fourth fixing hole 511 and the third fixing hole 412. The upper end of the second fixing portion 51 abuts against the lower surface of the first fixing portion 41.

A radially outer portion (or "outer peripheral portion") of the panel portion 52 is disposed opposite to the sandwiching portion 42, and the radially outer portion of the panel portion 52 sandwiches and fixes the light guide plate 9 (see fig. 3) described below with the sandwiching portion 42. The radially inner portion (or "inner peripheral portion") of the panel portion 52 serves to support a reflecting cup 7 (see fig. 3) described below.

A positioning groove 521 is formed in the upper surface of the panel portion 52, and the positioning groove 521 is used to position the light guide plate 9 described below. The number of the positioning grooves 521 may be plural.

In the present embodiment, as shown in fig. 2 and 3, the first light emitting section 3, the lens 6, and the reflector cup 7 are provided in this order along the axial direction of the housing 1, the upper end of the lens 6 is in contact with the lower surface of the first light source mounting plate 32, and the lower end of the lens 6 is in contact with the reflector cup 7. The lens 6 is used for converging the light emitted by the first light-emitting portion 3 into the reflecting cup 7.

In the present embodiment, as shown in fig. 2, 3 and 7, a step portion 71 is formed at the upper end of a substantially cylindrical reflector cup 7, a support portion 72 is formed at the lower outer peripheral wall of the reflector cup 7, and the support portion 72 is provided perpendicularly to the axial direction of the reflector cup 7. The step portion 71 supports the lower end of the lens 6, and the support portion 72 abuts on the upper surface of the radially inner portion of the panel portion 52.

It will be appreciated that the radially inner portion of the panel portion 52 supports the reflector cup 7 and lens 6 by cooperating with the support of the support portion 72.

In the present embodiment, as shown in fig. 2 and 3, the second light emitting unit 8 includes a second light source 81 and a second light source mounting plate 82. The second light source mounting plate 82 is cylindrical, and the second light source 81 is provided on the outer peripheral surface of the second light source mounting plate 82. Wherein, the second light source 81 may include a plurality of LED lamp beads. The plurality of LED beads may be uniformly spaced apart along the circumference of the second light source mounting plate 82.

As shown in fig. 3, the second light emitting portion 8 is provided radially outward of the second fixing portion 51 in the radial direction of the lighting device.

In the present embodiment, as shown in fig. 2, 3, and 8, the light guide plate 9 is substantially annular as a whole. The light guide plate 9 is provided with a positioning block 91, and the light guide plate 9 is arranged on the fixed panel 5 through the matching of the positioning block 91 and the positioning groove 521. The number of the positioning blocks 91 may be multiple (the same as the number of the positioning grooves 521).

The light guide plate 9 is held and fixed by the holding portion 42 and the radially outer portion of the panel portion 52 in the axial direction, the light guide plate 9 is positioned radially outward of the second light emitting portion 8 in the radial direction of the lighting device, and the light of the second light emitting portion 8 is guided by the light guide plate 9 and emitted.

As shown in fig. 3, the outer diameter of the light guide plate 9 is larger than the outer diameter of the panel portion 52, and the light guide plate 9 covers the panel portion 52 in the circumferential direction of the panel portion 52.

It is understood that in the present embodiment, the light emitted from the first light-emitting portion 3 passes through the lens 6 and the reflective cup 7 and then is emitted in the axial direction of the lighting device, and the light emitted from the second light-emitting portion 8 passes through the light guide plate 9 and then is emitted in the radial direction and the axial direction of the lighting device.

(second embodiment)

A second embodiment of the lighting device according to the present invention is described in detail below with reference to fig. 9 to 15.

In the present embodiment, as shown in fig. 9 and 10, the lighting device similarly includes a power supply unit 100 and a main body unit 200. The power supply unit 100 supplies power to the main body 200.

The main body portion 200 includes a housing 10, a spring 20, a first light emitting portion 30, a light emitting cover 40, a light splitting cylinder 50 (light isolation cylinder portion), a protective cover 60, a second light emitting portion 70, and a reflection cylinder 80.

In the present embodiment, as shown in fig. 9, 11, and 12, the housing 10 having a substantially cylindrical shape as a whole is formed with the mounting space 101, and the first light emitting section 30 and the spectroscopic cylinder 50 are provided in the mounting space 101.

The housing 10 is opened with a fifth fixing hole 102 along the axial direction thereof. There may be a plurality of fifth fixing holes 102, and the plurality of fifth fixing holes 102 may be uniformly spaced in the circumferential direction of the casing 1.

In the present embodiment, as shown in fig. 10, there are two springs 20, and the two springs 20 are provided on the side wall of the housing 10 so as to be rotatable with respect to the housing 10. It will be appreciated that the lighting device may be snap-fitted to a corresponding mounting structure (e.g. a ceiling) by means of the spring 20.

In the present embodiment, as shown in fig. 10 and 11, the first light emitting portion 30 includes a first light source 301 and a first light source mounting board 302. The first light source 301 is disposed on a lower surface of the first light source mounting board 302, and the first light source mounting board 302 is fixedly connected to the top of the housing 10 by a fastener. The first light source 301 may include a plurality of LED beads.

In the present embodiment, as shown in fig. 10, 11 and 13, the light emitting cover 40 includes a fixing top portion 401 and a side wall portion 402. Here, a substantially annular fixed ceiling portion 401 is provided perpendicularly to the axial direction of the lighting device, a side wall portion 402 is provided extending downward from the peripheral edge of the fixed ceiling portion 401, and the entire side wall portion 402 is a curved surface that is concave in the radial direction.

The fixed top 401 is opened with a sixth fixing hole 4011 and a seventh fixing hole 4012. The sixth fixing holes 4011 are provided in one-to-one correspondence with the fifth fixing holes 102, and the fixing top 401 is fixedly connected to the housing 10 by fasteners (e.g., bolts) inserted through the fifth fixing holes 102 and the sixth fixing holes 4011. The seventh fixing hole 4012 is used to fix the second light emitting part 70 described below.

In the present embodiment, as shown in fig. 10, 11, and 14, the spectroscope tube 50 having a substantially cylindrical shape as a whole includes a tube-shaped main body 501 and a fixed bottom portion 502. The upper end of the cylindrical body 501 abuts against the lower surface of the first light source mounting board 302, and a fixed bottom 502 is provided at the lower end of the outer peripheral wall of the cylindrical body 501.

The fixed bottom 502 includes a plurality of arcs 5021, and the plurality of arcs 5021 are uniformly spaced apart along the circumference of the cylindrical body 501. Among the plurality of arc plates 5021, a part of arc plates 5021 is provided with a supporting protrusion 5022, the supporting protrusion 5022 extends along a radial protrusion from the outer wall surface of the arc plate 5021, and the other part of arc plates 5021 is provided with a clamping hole 5023 along a radial direction.

The support protrusions 5022 are seated on the upper surface of the fixed tip 401 such that the fixed tip 401 supports the spectral barrel 50 in the axial direction. The catching hole 5023 is for catching a reflecting cylinder 80 (see fig. 15) described below.

In the present embodiment, as shown in fig. 11, the spectral tube 50, the protective cover 60, and the reflective tube 80 are provided in this order in the axial direction of the illumination device. The upper surface of the protective cover 60 abuts against the lower end surface of the cylindrical body 501 of the spectroscopic cylinder 50, and the lower surface of the protective cover 60 abuts against the upper end surface of the reflection cylinder 80. That is, the reflection cylinder 80 cooperates with the cylindrical body 501 to clamp the protective cover 60. The protective cover 60 is transparent, and light of the first light emitting part 30 can pass through the protective cover 60. The diameter of the circular protective cover 60 is substantially equal to the outer diameter of the cylindrical body 501, and the protective cover 60 can prevent dust, foreign matter, and the like from entering the cylindrical space of the cylindrical body 501, thereby protecting the first light-emitting portion 30.

In the present embodiment, as shown in fig. 10 and 11, the second light emitting unit 70 includes a second light source 701 and a second light source mounting plate 702. The second light source mounting plate 702, which is substantially annular as a whole, is provided perpendicularly to the axial direction of the lighting device, and the second light sources 701 are provided on the lower surface of the second light source mounting plate 702. The second light source 701 may include a plurality of LED beads.

An eighth fixing hole 7021 is formed in the second light source mounting plate 702, and the second light source mounting plate 702 is fixedly mounted below the fixing top 401 through a fastener (e.g., a bolt) penetrating through the eighth fixing hole 7021 and the seventh fixing hole 4012.

In the present embodiment, as shown in fig. 10, 11, and 15, the reflection tube 80, which is substantially horn-shaped as a whole, includes a reflection wall portion 801 and a locking portion 802. The entire reflective wall 801 is substantially curved in a radially inward concave shape, and the latching portion 802 is provided at the tip of the reflective wall 801.

The reflection cylinder 80 is fixedly connected to the light splitting cylinder 50 by the engagement of the engaging hole 5023 and the engaging portion 802. The number of the locking portions 802 may be plural, and the plurality of locking portions 802 are uniformly spaced in the circumferential direction of the reflective wall 801.

As shown in fig. 11, the second light emitting part 70 is located between the side wall part 402 and the reflecting wall part 801 in the radial direction of the lighting device, and the light emitted by the second light emitting part 70 is reflected by the reflecting wall part 801 and then emitted through the side wall part 402 in the radial direction of the lighting device.

As shown in fig. 11, the outer diameter of the lower end of the reflective wall 801 is substantially equal to the outer diameter of the lower end of the side wall 402, and the lower end of the side wall 402 abuts against the lower end of the reflective wall 801, thereby closing the installation space in which the second light emitting unit 70 is located.

It can be understood that, in the present embodiment, the light of the first light-emitting portion 30 passes through the light-dividing cylinder 50, the protective cover 60 and the reflective cylinder 80 in sequence along the axial direction of the lighting device and then is emitted, and the light of the second light-emitting portion 70 passes through the reflective cylinder 80 and then is emitted along the radial direction of the lighting device.

Through adopting the technical scheme, according to the utility model discloses a lighting device has following advantage at least:

(1) the utility model discloses an among the lighting device, through setting up two sets of illuminating parts, the light of one of them group illuminating part sends along lighting device's axial, and the light of another group illuminating part is at least partly sent from lighting device's radial, and then can make lighting device's illuminating effect better.

(2) The utility model discloses an among the lighting device, a reflection section of thick bamboo is fixed with a beam split section of thick bamboo joint for lighting device's simple to operate.

The above embodiments of the present invention have been described in detail, but it should be added that:

(1) although the first embodiment describes that the fixing panel is fixedly connected to the housing indirectly via the mounting bracket, the present invention is not limited thereto, and the fixing panel may be directly fixedly connected to the housing.

(2) The fastening by means of fasteners mentioned in the above embodiments may be replaced by snap-fit or other fastening means.

Claims (10)

1. An illumination device is characterized by comprising a first light-emitting part (3, 30), a second light-emitting part (8, 70) and an optical isolation cylinder part,

the first light-emitting part (3, 30) and the second light-emitting part (8, 70) are arranged offset in the axial direction of the lighting device,

in the axial projection, the first light-emitting part (3, 30) is located on the radial inner side of the optical isolation cylinder part, the second light-emitting part (8, 70) is located on the radial outer side of the optical isolation cylinder part,

the light of the first light-emitting part (3, 30) is emitted from below the lighting device in the axial direction, and the light of the second light-emitting part (8, 70) is emitted from the side surface of the lighting device at least partially in the radial direction of the lighting device.

2. A lighting device as claimed in claim 1, characterized in that the lighting device further comprises a housing (1) and a fixing panel (5), the fixing panel (5) being connected with the housing (1),

the first light-emitting part (3) is fixedly arranged on the shell (1),

the fixing panel (5) supports the optical isolation cylinder portion in the axial direction.

3. A lighting device as claimed in claim 2, characterized in that it further comprises a mounting bracket (4), said mounting bracket (4) being connected to said housing (1) and to said fixing panel (5), respectively, and said mounting bracket (4) being located between said housing (1) and said fixing panel (5) in said axial direction.

4. A lighting device according to claim 3, further comprising a light guide plate (9), wherein the light guide plate (9) is located between the mounting frame (4) and the fixing panel (5) in the axial direction, the second light-emitting part (8) is located between the light guide plate (9) and the light-isolating cylinder part in the radial direction, and light of the second light-emitting part (8) is emitted after being guided by the light guide plate (9).

5. A lighting device as claimed in claim 2, characterized in that it further comprises a lens (6), said lens (6) being located in said axial direction between said first lighting portion (3) and said light-isolating cylinder,

the lens (6) is used for converging the light emitted by the first light-emitting part (3), so that the light emitted by the first light-emitting part (3) enters the optical isolation cylinder.

6. A lighting device as claimed in claim 2, characterized in that said light-isolating cylinder is a reflector cup (7).

7. The lighting device of claim 1, further comprising a housing (10) and a light emitting cover (40), the housing (10) being fixedly connected to the light emitting cover (40),

the first light-emitting part (30) is fixedly arranged on the shell (10),

the light-emitting cover (40) supports and fixes the optical isolation cylinder part in the axial direction.

8. The lighting device according to claim 7, wherein the second light emitting portion (70) is fixedly attached to an axial side of the light emitting cover (40) facing away from the housing (10).

9. The illumination device according to claim 7, further comprising a reflective cylinder (80), wherein the second light-emitting portion (70) is disposed between a side wall of the light-emitting cover (40) and the reflective cylinder (80) in the radial direction, and light of the second light-emitting portion (70) is reflected by the reflective cylinder (80) and then emitted from the light-emitting cover (40).

10. A lighting device as recited in claim 9, further comprising a transparent protective cover (60), said protective cover (60) being disposed in said axial direction between said optical isolation cylinder portion and said reflector cylinder (80).

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