CN216408740U

CN216408740U - High-power ceiling spotlight

Info

Publication number: CN216408740U
Application number: CN202121475343.5U
Authority: CN
Inventors: 朱桃林
Original assignee: Saierfu Lighting Technology Co ltd
Current assignee: Saierfu Lighting Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-04-29
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a high-power ceiling spotlight, which comprises a lamp holder provided with a mounting surface, a fixed seat connected with the lamp holder, a light source chip arranged on the mounting surface and an optical component arranged in the light emitting direction of the light source chip, wherein the lamp holder comprises: the radiator is provided with the mounting surface; the annular rotating seat is fixedly connected with the radiator, and the outer wall of the annular rotating seat is a spherical surface and gradually shrinks from the middle to two sides; the fixing base is the cartridge type, includes: the front mounting part is provided with a front spherical mounting groove matched with the annular rotating seat at one side close to the lamp holder; the inner side of the rear gland is provided with a rear spherical surface mounting groove matched with the annular rotating seat, and the rear gland is fixedly connected with the front mounting part so as to fix the annular rotating seat between the front spherical surface mounting groove and the rear spherical surface mounting groove and realize universal rotation; the utility model has simple structure, flexible rotation, convenient use, small volume and beautiful appearance, and is provided with a plurality of heat dissipation channels to increase the heat dissipation effect and reduce the volume of the lamp body.

Description

High-power ceiling spotlight

Technical Field

The utility model relates to the technical field of lighting equipment, in particular to a high-power ceiling spotlight.

Background

Under the background of energy conservation and environmental protection, the LED lamp is increasingly applied to the fields of household and commercial illumination because of high light emitting efficiency and good light condensing performance. In house and commercial illumination, space smallpox illumination is an important one, the shot-light is a very common space smallpox light, when the light-emitting demand of needs high power high density, the heat dissipation can become the problem, generally set up the base of aluminum alloy and increase the heat dissipation, still can set up the heat dissipation muscle on the base and improve the radiating effect, but along with the promotion of life quality, also more and more high to the appearance requirement of lamps and lanterns, further miniaturization keeps the light-emitting demand of high power high density simultaneously, just at this time need further promote the radiating effect. The spot lamp is also frequently used in the condition that various illumination with the same angle is needed, most of the time, a plurality of joints are needed to realize 360-degree rotation, but the structure is complex, a large assembly volume is needed, and the spot lamp is not attractive under the exposed condition.

In summary, it is very important to obtain a good heat dissipation, convenient rotation and beautiful spot light.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a high power ceiling spotlight to solve the above technical problems.

The utility model provides a high power smallpox shot-light, including the lighting fixture that is equipped with installation face, with the fixing base that the lighting fixture is connected sets up light source chip and the optical assembly of setting in the light source chip light-emitting direction on the installation face, the lighting fixture includes:

the radiator is provided with the mounting surface;

the annular rotating seat is fixedly connected with the radiator, and the outer wall of the annular rotating seat is a spherical surface and gradually shrinks from the middle to two sides;

the fixing base is the cartridge type, includes:

the front mounting part is provided with a front spherical mounting groove matched with the annular rotating seat at one side close to the lamp holder;

the back gland, the inboard be equipped with the seat matched's back sphere mounting groove is rotated to the annular, back gland with preceding installation department fixed connection is in order to fix the seat is rotated to the annular preceding sphere mounting groove and back sphere mounting groove between thereby can universal rotation.

Preferably, an O-ring is arranged between the annular rotary seat and the front spherical surface mounting groove to provide damping.

Preferably, the annular rotating seat is in threaded connection with the heat sink.

Preferably, the optical assembly comprises a condenser lens arranged in the annular rotating seat, one side of the condenser lens, which is far away from the mounting surface, is connected with the inner wall of the annular rotating seat, and an inner cavity is formed among the side wall of the condenser lens, the mounting surface and the inner wall of the annular rotating seat.

Preferably, one side of the annular rotating seat, which is far away from the mounting surface, is provided with a first through hole communicated to the inner cavity, and the radiator is provided with a second through hole communicated to the inner cavity from the back surface.

Preferably, the back of the radiator is provided with a plurality of radiating ribs, a first radiating channel is arranged between the radiating ribs, and the second through hole is communicated with the first radiating channel.

Preferably, the periphery of the heat dissipation rib is provided with a baffle plate for closing the first heat dissipation channel.

Preferably, the periphery of the baffle plate is also provided with an annular second heat dissipation channel, and a plurality of partition plates which are distributed at intervals along the annular channel are arranged in the second heat dissipation channel.

Preferably, the partition board is divided into a front partition board and a rear partition board, and the number of the front partition boards is more than that of the rear partition boards.

Preferably, the optical assembly further comprises a reflective cup mounted on the front mounting portion and located on the annular rotary base.

The utility model has the technical effects that:

the high-power ceiling spotlight is simple in structure, flexible in rotation, convenient to use, small in size, attractive in appearance, and meanwhile, various heat dissipation channels are arranged to increase the heat dissipation effect and reduce the size of the spotlight body.

Drawings

Embodiments of the utility model are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of the high-power ceiling spotlight of the embodiment.

Fig. 2 is an explosion structure diagram of the high-power ceiling spotlight of the embodiment.

Fig. 3 is a schematic diagram of another angular explosion structure of the high-power ceiling spotlight of the embodiment.

Fig. 4 is a schematic cross-sectional view of the high-power ceiling lamp of the present embodiment.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Fig. 6 is a schematic structural diagram of the heat sink of the present embodiment.

Detailed Description

Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, the high-power ceiling spotlight of the embodiment includes a lamp holder 100 having a mounting surface 101, a fixing base 200 connected to the lamp holder 100, a light source chip 300 disposed on the mounting surface 101, and an optical assembly 400 disposed in a light emitting direction of the light source chip 300.

The lamp holder 100 is used for supporting and mounting other components, the fixing base 200 is used for being connected to an external ceiling, the lamp holder 100 is connected with the fixing base 200, the light source chip 300 is used for emitting light, in the embodiment, an LED chip is adopted, and the optical assembly 400 is used for adjusting the light of the light source chip 300.

In this embodiment, the lamp holder 100 includes a heat sink 102 and an annular rotating base 103, the heat sink 102 is provided with the mounting surface 101, and is generally made of a metal material, such as an aluminum alloy, so as to facilitate heat dissipation; the annular rotating seat 103 is fixedly connected with the radiator 102, and the outer wall of the annular rotating seat is a spherical surface and gradually shrinks from the middle to two sides; the fixing seat 200 is a cylindrical shape and comprises a front mounting part 201 and a rear gland 202; a front spherical mounting groove 2011 matched with the annular rotating seat 103 is formed in one side, close to the lamp holder 100, of the front mounting part 201; the inner side of the rear gland 202 is provided with a rear spherical surface mounting groove 2021 matched with the annular rotary seat 103, and the rear gland 202 is fixedly connected with the front mounting part 201 to fix the annular rotary seat 103 between the front spherical surface mounting groove 2011 and the rear spherical surface mounting groove 2021 so as to be capable of universal rotation. The use of 360 degrees no dead angle rotation mode, reduce and shine the dead angle, make the light modulation more convenient. The lamp holder 100 with the structure can rotate all the way, thereby realizing illumination at different angles, and having flexible rotation, small volume and beautiful appearance.

The outer wall of the holder 200 is provided with fixing lugs 203 for fixing to a ceiling. The rear cover 202 is connected to the front mounting portion 201 by screws 204.

In order to position the lamp holder 100, in this embodiment, an O-ring 500 is disposed between the annular rotary seat 103 and the front spherical mounting groove 2011 to provide damping. Of course, other elastic materials can be used instead of the elastic material, and mechanical locking positioning can also be adopted.

The connection of the components is more, and in this embodiment, the annular rotating seat 103 is in threaded connection with the heat sink 102. The threaded connection is more closely assembled, the contact area is more, and the heat conduction and the heat dissipation are more facilitated.

In order to improve the light efficiency, in the embodiment, the optical assembly 400 includes a condenser lens 401 disposed in the annular rotating seat 103, a side of the condenser lens 401 away from the mounting surface 101 is connected to an inner wall of the annular rotating seat 103, and an inner cavity 104 is formed between a side wall of the condenser lens 401, the mounting surface 101, and the inner wall of the annular rotating seat 103. The condensing lens 401 is an existing condensing lens, the side wall of the existing condensing lens is a total reflection surface, the whole condensing lens is in a shape with a large front and a small back, and after one side of the existing condensing lens 401 far away from the installation surface 101 is connected with the inner wall of the annular rotating seat 103, the inner cavity 104 is formed at the back side. In this embodiment, the condenser lens 401 has a fixing cover 4011 having a similar shape to the condenser lens 401. The inner chamber 104 is bounded by a stationary shield 4011.

In order to improve the heat dissipation effect, a side of the annular rotary seat 103 away from the mounting surface 101 is provided with a first through hole 1031 communicated to the inner cavity 104, and the heat sink 102 is provided with a second through hole 1041 communicated to the inner cavity 104 from the back. With the arrangement, the air in front of the condenser lens 401 and the air behind the heat sink 102 can enter the inner cavity 104 to be conducted, so that the convection of heat can be accelerated, and the heat dissipation effect can be improved. Further, a plurality of heat dissipation ribs 1021 are arranged on the back of the heat sink 102, a first heat dissipation channel 1022 is arranged between the heat dissipation ribs 1021, and the second through hole 1041 is communicated with the first heat dissipation channel 1022. The heat dissipation ribs 1021 and the first heat dissipation channels 1022 are added to increase the heat dissipation area, increase the convection effect, and further improve the heat dissipation. Further preferably, the heat dissipating rib 1021 is provided at its outer periphery with a barrier 1023 for closing the first heat dissipating passage 1022.

In order to further improve the heat dissipation, the baffle 1023 further has a second heat dissipation channel 1024 in a ring shape on the periphery, and a plurality of partition plates 1025 are arranged in the second heat dissipation channel 1024 at intervals along the ring shape. To increase the heat dissipation area and increase the air convection behind the annular rotary seat 103. Further, the partition 1025 is divided into a front partition 1026 and a rear partition 1027, and the number of the front partition 1026 is larger than that of the rear partition 1027. The front partition 1026 has more, and the smaller flow velocity of the channel is larger, so that heat can be led out more quickly.

In order to reduce glare, the optical assembly 400 further includes a reflective cup 402 mounted on the front mounting portion 201 and located on the annular rotary base 103. For convenience of installation, a fixing ring 4021 is arranged in the front installation part 201, and a fastening structure for installing the reflection cup 402 is arranged on the fixing ring 4021. The mode of combining the lens crossed light and the reflecting cup is adopted to realize high anti-dazzle, reduce glare and ensure more comfortable space illumination.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. The utility model provides a high power smallpox shot-light, including lighting fixture (100) that is equipped with installation face (101), with fixing base (200) that lighting fixture (100) are connected sets up light source chip (300) on installation face (101) and set up optical assembly (400) in light source chip (300) light-emitting direction, its characterized in that, lighting fixture (100) include:

a heat sink (102) provided with the mounting surface (101);

the annular rotating seat (103) is fixedly connected with the radiator (102), and the outer wall of the annular rotating seat is spherical and gradually shrunk from the middle to two sides;

the fixing seat (200) is of a cylindrical shape and comprises:

a front mounting part (201), one side of which close to the lamp holder (100) is provided with a front spherical mounting groove (2011) matched with the annular rotating seat (103);

the rear gland (202) is arranged on the inner side of the rear gland (202) and is provided with a rear spherical surface mounting groove (2021) matched with the annular rotating seat (103), and the rear gland (202) is fixedly connected with the front mounting part (201) so as to fix the annular rotating seat (103) between the front spherical surface mounting groove (2011) and the rear spherical surface mounting groove (2021) and therefore can rotate universally.

2. The high power ceiling spot light of claim 1, wherein an O-ring is provided between the annular rotating base (103) and the front spherical mounting groove (2011) to provide damping.

3. The high power ceiling spotlight of claim 1, wherein the annular rotating base (103) is screwed to the heat sink (102).

4. The high-power ceiling spotlight according to claim 1, wherein the optical assembly (400) comprises a condenser lens (401) disposed in the annular rotary base (103), wherein a side of the condenser lens (401) remote from the mounting surface (101) is connected to an inner wall of the annular rotary base (103), and an inner cavity (104) is formed between a side wall of the condenser lens (401), the mounting surface (101) and the inner wall of the annular rotary base (103).

5. The high-power ceiling spotlight according to claim 4, wherein the side of the annular rotary base (103) away from the mounting surface (101) is provided with a first through hole (1031) which is communicated with the inner cavity (104), and the heat sink (102) is provided with a second through hole (1041) which is communicated with the inner cavity (104) from the back.

6. The high-power ceiling spotlight according to claim 5, wherein a plurality of heat dissipation ribs (1021) are disposed on the back surface of the heat sink (102), first heat dissipation channels (1022) are disposed between the heat dissipation ribs (1021), and the second through hole (1041) is communicated with the first heat dissipation channels (1022).

7. The high-power ceiling spotlight according to claim 6, wherein the heat dissipating ribs (1021) are provided at their outer circumference with a baffle (1023) that closes the first heat dissipating passage (1022).

8. The high-power ceiling spotlight according to claim 7, wherein the baffle plate (1023) is further provided with an annular second heat dissipation channel (1024) at the periphery, and a plurality of partition plates (1025) are arranged in the second heat dissipation channel (1024) and are distributed at intervals along the ring.

9. The high power ceiling spotlight of claim 8, wherein said baffle (1025) is divided into a front section baffle (1026) and a rear section baffle (1027), said front section baffle (1026) being greater in number than said rear section baffle (1027).

10. The high power ceiling spotlight of claim 1, wherein the optical assembly (400) further comprises a reflector cup (402) mounted on the front mount (201) and located on the annular rotating mount (103).