CN111486418A

CN111486418A - Combined lamp

Info

Publication number: CN111486418A
Application number: CN201911140964.5A
Authority: CN
Inventors: 周明杰; 陈萍
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-04

Abstract

The invention relates to a combined lamp, which comprises a first lamp, a second lamp and a connecting assembly, wherein the first lamp is connected with the second lamp; the first lamp comprises a first heat dissipation substrate; the second lamp comprises a second heat dissipation substrate; the connecting assembly comprises a screw, a first connecting plate and a second connecting plate, a first connecting lug is formed in the middle of the side wall of the first heat dissipation substrate, a second connecting lug is formed in the middle of the side wall of the second heat dissipation substrate, the first connecting lug and the second connecting lug are stacked, and the screw penetrates through the first connecting lug and the second connecting lug in sequence, so that the first connecting lug and the second connecting lug are fixed together; the first connecting plate is fixedly connected with the upper end of the first heat dissipation substrate and the upper end of the second heat dissipation substrate respectively, and the second connecting plate is fixedly connected with the lower end of the first heat dissipation substrate and the lower end of the second heat dissipation substrate respectively. By combining with a test experiment, the joint of the first lamp and the second lamp of the combined lamp has higher mechanical strength and meets related requirements.

Description

Combined lamp

Technical Field

The invention relates to the field of lighting devices, in particular to a combined lamp.

Background

L ED lamps and lanterns have advantages such as energy-conservation, environmental protection, along with L ED lamps and lanterns 'application range is wider and wider, user's demand for L ED lamps and lanterns is also more and more diversified.

To meet the user's demand for L ED lamps of different specifications and different powers, it is now common practice to make L ED lamps that meet the basic requirements, and to splice L ED lamps together to form a combination lamp when the power required is higher.

When a plurality of L ED lamps are spliced together to form a combined lamp, the mechanical strength of the joints of the L ED lamps is particularly important.

Disclosure of Invention

In view of the above, it is necessary to provide a combination lamp, which has a high mechanical strength at the joint of two adjacent lamps.

A combined lamp comprises a first lamp, a second lamp and a connecting assembly for connecting the first lamp and the second lamp, wherein the first lamp and the second lamp are arranged side by side;

the first lamp comprises a first heat dissipation substrate, a first light source assembly and a first driving assembly, wherein the first light source assembly and the first driving assembly are fixedly connected with the first heat dissipation substrate;

the second lamp comprises a second heat dissipation substrate, a second light source assembly and a second driving assembly, and the second light source assembly and the second driving assembly are fixedly connected with the second heat dissipation substrate;

the connecting assembly comprises a screw, a first connecting plate and a second connecting plate, a first connecting lug is formed in the middle of the side wall of the first radiating substrate, a second connecting lug is formed in the middle of the side wall of the second radiating substrate, when the first lamp and the second lamp are arranged side by side, the first connecting lug and the second connecting lug are stacked, and the screw penetrates through the first connecting lug and the second connecting lug in sequence, so that the first connecting lug and the second connecting lug are fixed together; the first connecting plate is fixedly connected with the upper end of the first radiating base plate and the upper end of the second radiating base plate respectively, and the second connecting plate is fixedly connected with the lower end of the first radiating base plate and the lower end of the second radiating base plate respectively.

The screw of the combined lamp sequentially penetrates through the first connecting lug and the second connecting lug so as to fix the first connecting lug and the second connecting lug together, the first connecting plate is fixedly connected with the upper end of the first heat dissipation base plate and the upper end of the second heat dissipation base plate respectively, and the second connecting plate is fixedly connected with the lower end of the first heat dissipation base plate and the lower end of the second heat dissipation base plate respectively so as to firmly fix the first lamp and the second lamp together. By combining with a test experiment (test example 1), the joint of the first lamp and the second lamp of the combined lamp has higher mechanical strength and meets related requirements.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

fig. 1 is a schematic perspective view of an assembled lamp according to an embodiment in one direction.

Fig. 2 is a schematic perspective view of the combined lamp shown in fig. 1 in another direction.

Fig. 3 is a schematic structural view of the back surface of the combined lamp shown in fig. 1.

Fig. 4 is a schematic cross-sectional view of the assembled lamp shown in fig. 1.

Fig. 5 is an exploded view of the assembled lamp shown in fig. 1.

Fig. 6 is a stress diagram of the housing connection post of the combination lamp shown in fig. 1.

Fig. 7 is a stress diagram of the sheet metal connector of the combination lamp shown in fig. 1.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The combination lamp of one embodiment shown in fig. 1 to 5 includes a first lamp 100, a second lamp 200, and a connecting assembly for connecting the first lamp 100 and the second lamp 200, wherein the first lamp 100 and the second lamp 200 are arranged side by side.

The first lamp 100 includes a first heat sink substrate 120, a first light source assembly 140, and a first driving assembly 160, wherein the first light source assembly 140 and the first driving assembly 160 are both fixedly connected to the first heat sink substrate 120.

The second lamp 200 includes a second heat dissipation substrate 220, a second light source assembly 240 and a second driving assembly 260, and both the second light source assembly 240 and the second driving assembly 260 are fixedly connected to the second heat dissipation substrate 220.

The connection assembly includes a screw 320, a first connection plate 340 and a second connection plate 360, a first connection lug 122 is formed in the middle of the side wall of the first heat dissipation substrate 120, a second connection lug 222 is formed in the middle of the side wall of the second heat dissipation substrate 220, when the first lamp 100 and the second lamp 200 are arranged side by side, the first connection lug 122 and the second connection lug 222 are stacked, and the screw 320 sequentially penetrates through the first connection lug 122 and the second connection lug 222, so that the first connection lug 122 and the second connection lug 222 are fixed together. The first connecting plate 340 is fixedly connected to the upper end of the first heat dissipating substrate 120 and the upper end of the second heat dissipating substrate 220, respectively, and the second connecting plate 360 is fixedly connected to the lower end of the first heat dissipating substrate 120 and the lower end of the second heat dissipating substrate 220, respectively.

The screw 320 of the combined lamp sequentially penetrates through the first connection lug 122 and the second connection lug 222, so as to fix the first connection lug 122 and the second connection lug 222 together, the first connection plate 340 is fixedly connected with the upper end of the first heat dissipation substrate 120 and the upper end of the second heat dissipation substrate 220, respectively, and the second connection plate 360 is fixedly connected with the lower end of the first heat dissipation substrate 120 and the lower end of the second heat dissipation substrate 220, so as to firmly fix the first lamp 100 and the second lamp 200 together. In combination with the test experiment (test example 1), the joint between the first lamp 100 and the second lamp 200 of the combined lamp has high mechanical strength, and meets the relevant requirements.

Preferably, the first light source assembly 140 is disposed on the front surface of the first heat sink substrate 120, and the first driving assembly 160 is disposed on the back surface of the first heat sink substrate 120, so that the first light source assembly 140, the first heat sink substrate 120 and the first driving assembly 160 are sequentially stacked.

The first light source assembly 140, the first heat dissipation substrate 120 and the first driving assembly 160 are sequentially stacked, so that the first light source assembly 140 and the first driving assembly 160 are in direct contact with the outside, the heat dissipation space of the first light source assembly 140 and the first driving assembly 160 is enlarged, and the overall structure of the lamp is more compact. In addition, the first light source assembly 140, the first heat dissipation substrate 120, and the first driving assembly 160 are sequentially stacked, and the first lamp 100 using this arrangement has high mechanical strength.

Generally, the first heat dissipation substrate 120 may be a metal plate.

Preferably, the second light source assembly 240 is disposed on the front surface of the second heat dissipation substrate 220, and the second driving assembly 260 is disposed on the back surface of the second heat dissipation substrate 220, so that the second light source assembly 240, the second heat dissipation substrate 220, and the second driving assembly 260 are sequentially stacked.

The second light source assembly 240, the second heat dissipation substrate 220 and the second driving assembly 260 are sequentially stacked, so that the second light source assembly 240 and the second driving assembly 260 are in direct contact with the outside, the heat dissipation space of the second light source assembly 240 and the second driving assembly 260 is enlarged, and the overall structure of the lamp is more compact. In addition, the second light source assembly 240, the second heat dissipation substrate 220, and the second driving assembly 260 are sequentially stacked, and the second lamp 200 using such an arrangement has high mechanical strength.

Generally, the second heat dissipation substrate 220 may be a metal plate.

Referring to the drawings, in the present embodiment, the first heat dissipation substrate 120 and the second heat dissipation substrate 220 are square plates. In other embodiments, the first heat dissipation substrate 120 and the second heat dissipation substrate 220 may have other shapes without affecting the specific functions thereof.

Specifically, in the present embodiment, the first connecting lug 122 is formed by extending the middle portion of the sidewall of the first heat dissipation substrate 120 toward the back side, and the second connecting lug 222 is formed by extending the middle portion of the sidewall of the second heat dissipation substrate 220 toward the back side.

Referring to the drawings, the first driving assembly 160 includes a first driving housing 162 and a first driving circuit 164, a first accommodating cavity is formed in the first driving housing 162, the first driving circuit 164 is disposed in the first accommodating cavity, and a first through hole 166 communicating with the first accommodating cavity is formed in the first driving housing 162.

With reference to the drawings, the second driving assembly 260 includes a second driving housing 262 and a second driving circuit 264, a second accommodating cavity is disposed in the second driving housing 262, the second driving circuit 264 is disposed in the second accommodating cavity, and a second through hole 266 communicated with the second accommodating cavity is disposed on the second driving housing 262.

In this embodiment, the connection assembly further includes a hollow connection pipe 380, a first end of the connection pipe 380 is inserted into the first through hole 166, and a second end of the connection pipe 380 is inserted into the second through hole 266, thereby communicating the first receiving chamber and the second receiving chamber.

The conductive line electrically connecting the first and

second driving circuits

164 and 264 passes through the connection pipe 380.

In this embodiment, the first driving housing 162 includes a first driving chamber 1622 and a first driving chamber cover 1624, and a first sealing ring 1626 is further disposed between the first driving chamber 1622 and the first driving chamber cover 1624 to ensure sealing performance.

In this embodiment, the second driving housing 262 includes a second driving cavity 2622 and a second driving cavity cover 2624, and a second sealing ring 2626 is further disposed between the second driving cavity 2622 and the second driving cavity cover 2624 to ensure sealing performance.

Preferably, the coupling assembly further includes a first compression nut 382 and a second compression nut 384, the first compression nut 382 being disposed between the first end of the coupling tube 380 and the first through-hole 166, and the second compression nut 384 being disposed between the second end of the coupling tube 380 and the second through-hole 266.

Specifically, the first light source assembly 140 includes a first light source plate 142 stacked on the front surface of the first heat dissipation substrate 120, the front surface of the first heat dissipation substrate 120 is recessed to form a first groove 124 matching the shape of the first light source plate 142, so that a first protrusion 126 matching the shape of the first groove 124 is formed on the back surface of the first heat dissipation substrate 120, a first land 128 is formed on the back surface of the first heat dissipation substrate 120 around the region of the first protrusion 126, and the first light source plate 142 is disposed in the first groove 124.

Specifically, the second light source assembly 240 includes a second light source plate 242 laminated on the front surface of the second heat dissipation substrate 220, the front surface of the second heat dissipation substrate 220 is recessed to form a second groove 224 matching the shape of the second light source plate 242, so that a second protrusion 226 matching the shape of the second groove 224 is formed on the rear surface of the second heat dissipation substrate 220, the second heat dissipation rear surface forms a second land 228 around the region of the second protrusion 226, and the second light source plate 242 is disposed in the second groove 224.

Referring to the drawings, in the present embodiment, the first connecting plate 340 has a bent step shape, the first connecting plate 340 includes a first bottom plate 342 and a first step plate 344 higher than the first bottom plate 342, the first bottom plate 342 is fixedly connected to the upper end of the first platform 128 and the upper end of the second platform 228, respectively, and the first step plate 344 is fixedly connected to the upper end of the first protrusion 126 and the upper end of the second protrusion 226, respectively.

The first connection plate 340 is bent, so that the mechanical strength of the first connection plate 340 can be greatly improved, and the first connection plate can be better matched with the back shape of the first heat dissipation substrate 120 and the back shape of the second heat dissipation substrate 220.

The second connecting plate 360 is a bent step-shaped, the second connecting plate 360 includes a second base plate 362 and a second step plate 364 that is larger than the second base plate 362, the second base plate 362 is fixedly connected to the lower end of the first platform 128 and the lower end of the second platform 228, respectively, and the second step plate 364 is fixedly connected to the lower end of the first protrusion 126 and the lower end of the second protrusion 226, respectively.

The second connection plate 360 is bent, so that the mechanical strength of the second connection plate 360 can be greatly improved, and the second connection plate can be better matched with the back shape of the first heat dissipation substrate 120 and the back shape of the second heat dissipation substrate 220.

Preferably, in this embodiment, the first light source assembly 140 further includes a first lens 144, a first transparent member 146, and a first pressing ring 148, the first transparent member 146, the first lens 144, and the first light source plate 142 are sequentially stacked, the first transparent member 146 is fixed on the first pressing ring 148, the front surface of the first heat dissipation substrate 120, the first pressing ring 148, and the first transparent member 146 enclose a first light source cavity, and the first lens 144 and the first light source plate 142 are disposed in the first light source cavity.

Specifically, in the present embodiment, the first pressing ring 148 is screwed to the side wall of the first groove 124.

To ensure the light source chamber is sealed, a first O-ring 147 is disposed between the first pressing ring 148 and the sidewall of the first groove 124.

Preferably, the second light source assembly 240 further includes a second lens 244, a second transparent member 246 and a second pressing ring 248, the second transparent member 246, the second lens 244 and the second light source plate 242 are sequentially stacked, the second transparent member 246 is fixed on the second pressing ring 248, the front surface of the second heat dissipation substrate 220, the second pressing ring 248 and the second transparent member 246 define a second light source cavity, and the second lens 244 and the second light source plate 242 are disposed in the second light source cavity.

Specifically, in the present embodiment, the second pressing ring 248 is screwed to the side wall of the second groove 224.

In order to ensure the tightness of the light source cavity, a second O-shaped sealing ring 247 is arranged between the second pressing ring 248 and the side wall of the second groove 224.

Preferably, the first heat dissipation substrate 120 is provided with a first connection through hole (not shown), and a wire electrically connecting the first light source assembly 140 and the first driving assembly 160 passes through the first connection through hole.

Referring to the drawings, in the present embodiment, the first light source board 142 is provided with a first explosion-proof joint 143 near the first heat dissipation substrate 120, and the first explosion-proof joint 143 is disposed in the first connection through hole.

Preferably, the second heat dissipation substrate 220 is provided with a second connection through hole (not shown), and a wire electrically connecting the first light source assembly 240 and the first driving assembly 260 passes through the second connection through hole.

In this embodiment, referring to the drawings, the second light source plate 242 is provided with a second explosion-proof joint 243 near the second heat dissipation substrate 220, and the second explosion-proof joint 243 is disposed in the second connection through hole.

Preferably, the coupling assembly further includes a nut 330, and the screw 320 and the nut 330 cooperate to secure the first coupling lug 122 and the second coupling lug 222 together.

With reference to the drawings, in the present embodiment, the combination lamp further includes a U-shaped bracket 300 rotatably connected to the side surface of the first heat dissipation substrate 120 and the side surface of the first heat dissipation substrate 120.

The U-shaped bracket 300 may implement a vertical structure of the combination lamp together with the side surface of the first heat dissipation substrate 120 and the first heat dissipation substrate 120.

Test example 1

A combination light fixture as shown in fig. 6-7 is provided, which is formed by combining two L ED light fixtures with power of 200W.

Two L ED lamps and lanterns are middle to connect two engaging lugs with M10 hexagon socket head cap screw and nut, and two connecting plates are the bending structure who has high low level to the shell of two L ED lamps and lanterns also sets up and has high low level, and two connecting plates are fixed on the high low level of L ED lamps and lanterns correspondingly, with improve the anti vibration intensity, avoid the connecting plate because of taking place the fracture of shearing phenomenon.

The wires between the two L ED lamps are connected by adopting an aluminum pipe with the diameter of 10mm, and the wire connection mode improves the tensile strength, avoids displacement caused by unstable connection between the two 200W lamps, and avoids the phenomena of untight sealing, damp inflow in the lamps and the like.

The combined lamp was subjected to a strength test, resulting in fig. 6 and 7.

According to the strength test requirement, when two L ED lamps are installed and connected, the connecting assembly bears 5 times of weight of L ED lamps, and the connecting assembly bears 50kg of weight on one side according to the calculation of L ED lamp weight of 10 kg.

With reference to fig. 6, the shell connection column stress 2.656 × 107pa is 26.56MPa, the ADC12 yield strength is 170MPa, and the connection column stress is much smaller than the ADC12 yield strength, so the shell strength is satisfied.

With reference to fig. 7, the sheet metal connector stress 9.94 × 107pa is 99.4MPa, the sheet metal connector material Q235 yield strength is 230MPa, and the sheet metal connector stress is much smaller than the Q235 yield strength, and when an M10 stainless steel bolt is used, the shear stress limit of 304 stainless steel is (0.6-0.8) × 520MPa is 312MPa-416MPa, and 5 times the weight, the shear stress of a single bolt is 0.5 × 500N/(0.005 × 3.14) ═ 2.6MPa is much smaller than the shear strength of the bolt, so the connector strength is satisfied.

In summary, the joint of the two L ED lamps of the combined lamp has higher mechanical strength, and meets the relevant requirements.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A combined lamp is characterized by comprising a first lamp, a second lamp and a connecting assembly for connecting the first lamp and the second lamp, wherein the first lamp and the second lamp are arranged side by side;

2. The combination lamp of claim 1, wherein the first light source assembly is disposed on the front surface of the first heat sink substrate, and the first driving assembly is disposed on the back surface of the first heat sink substrate, such that the first light source assembly, the first heat sink substrate, and the first driving assembly are sequentially stacked; the second light source assembly is arranged on the front face of the second heat dissipation substrate, and the second driving assembly is arranged on the back face of the second heat dissipation substrate, so that the second light source assembly, the second heat dissipation substrate and the second driving assembly are sequentially arranged in a stacked mode.

3. The combination lamp of claim 2, wherein the first driving assembly comprises a first driving housing and a first driving circuit, a first accommodating cavity is formed in the first driving housing, the first driving circuit is disposed in the first accommodating cavity, and a first through hole communicated with the first accommodating cavity is formed in the first driving housing;

the second driving assembly comprises a second driving shell and a second driving circuit, a second accommodating cavity is formed in the second driving shell, the second driving circuit is arranged in the second accommodating cavity, and a second through hole communicated with the second accommodating cavity is formed in the second driving shell;

the connecting assembly further comprises a hollow connecting pipe, a first end of the connecting pipe is inserted into the first through hole, and a second end of the connecting pipe is inserted into the second through hole, so that the first accommodating cavity and the second accommodating cavity are communicated.

4. A combination light fixture as defined in claim 3, wherein the connection assembly further comprises a first compression nut disposed between the first end of the connection tube and the first throughbore and a second compression nut disposed between the second end of the connection tube and the second throughbore.

5. The combination lamp of claim 2, wherein the first light source assembly comprises a first light source board stacked on the front surface of the first heat dissipation substrate, the front surface of the first heat dissipation substrate is recessed to form a first groove matching the shape of the first light source board, so as to form a first protrusion matching the shape of the first groove on the back surface of the first heat dissipation substrate, the back surface of the first heat dissipation substrate forms a first platform around the area of the first protrusion, and the first light source board is disposed in the first groove;

the second light source assembly comprises a second light source plate stacked on the front face of the second heat dissipation substrate, the front face of the second heat dissipation substrate is sunken to form a second groove matched with the shape of the second light source plate, so that a second protrusion matched with the shape of the second groove is formed on the back face of the second heat dissipation substrate, a second platform is formed in the area, surrounded by the back face of the second heat dissipation substrate, of the second protrusion, and the second light source plate is arranged in the second groove.

6. The combination lamp as claimed in claim 5, wherein the first connecting plate is a bent step-shaped plate, the first connecting plate includes a first bottom plate and a first step plate higher than the first bottom plate, the first bottom plate is fixedly connected to the upper ends of the first and second platforms, respectively, and the first step plate is fixedly connected to the upper ends of the first and second protrusions, respectively;

the second connecting plate is of a bent step shape and comprises a second bottom plate and a second step plate higher than the second bottom plate, the second bottom plate is fixedly connected with the lower end of the first platform and the lower end of the second platform respectively, and the second step plate is fixedly connected with the lower end of the first protrusion and the lower end of the second protrusion respectively.

7. The combination lamp of claim 5, wherein the first light source assembly further comprises a first lens, a first transparent member, and a first pressing ring, the first transparent member, the first lens, and the first light source plate are sequentially stacked, the first transparent member is fixed on the first pressing ring, the front surface of the first heat dissipation substrate, the first pressing ring, and the first transparent member define a first light source cavity, and the first lens and the first light source plate are disposed in the first light source cavity;

the second light source assembly further comprises a second lens, a second transparent piece and a second pressing ring, the second transparent piece, the second lens and the second light source plate are sequentially stacked, the second transparent piece is fixed on the second pressing ring, the front face of the second heat dissipation substrate, the second pressing ring and the second transparent piece enclose a second light source cavity, and the second lens and the second light source plate are arranged in the second light source cavity.

8. The combination lamp as claimed in claim 2, wherein the first heat-dissipating substrate has a first connecting through hole, and a wire electrically connecting the first light source module and the first driving module passes through the first connecting through hole;

and a second connecting through hole is formed in the second heat dissipation substrate, and a wire electrically connected with the second light source assembly and the second driving assembly penetrates through the second connecting through hole.

9. A combination light fixture as defined in claim 1, wherein the connection assembly further comprises a nut, the screw and the nut cooperating to secure the first and second attachment ears together.

10. The combination lamp as claimed in any one of claims 1 to 9, further comprising a U-shaped bracket rotatably connected to the side surface of the first heat dissipation substrate and the side surface of the first heat dissipation substrate.