CN211853582U

CN211853582U - Portable LED lighting device

Info

Publication number: CN211853582U
Application number: CN202020862857.5U
Authority: CN
Inventors: 陶艳; 胡家旺; 冯明山; 陈学峰
Original assignee: Shanghai Qinsun Electric Co ltd
Current assignee: Shanghai Qinsun Electric Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-11-03
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a portable LED lighting device, including LED lamps and lanterns and power adapter, LED lamps and lanterns include the lamp casing, the front of lamp casing is equipped with LED light source subassembly, the part evenly distributed that the back of lamp casing faces LED light source subassembly has a plurality of radiating fin, and be equipped with ventilation gap between radiating fin, LED light source subassembly is connected with the light source cable, the end of light source cable is equipped with joint A, power adapter's input and output correspond respectively and are connected with input cable and output cable, the end of input cable is equipped with power connector, the end of output cable is equipped with the joint B with joint A looks adaptation. The utility model provides a LED lighting device, good heat dissipation, portable illumination, have illumination performance and portability concurrently, have obvious practical value.

Description

Portable LED lighting device

Technical Field

The utility model relates to a portable LED lighting device belongs to LED lighting device technical field.

Background

Various large-scale field construction operations such as public security, fire control, railway, electric power, petrochemical industry and the like, emergency repair and the like generally need lighting devices to assist the operation. As a new generation of illumination light source, LEDs have the advantages of energy saving, environmental protection, long lifetime, high controllability, etc. compared to conventional light sources, and have been widely used in various work sites. At present, the work site has more requirements on the illumination performance (illumination range, illumination brightness, illumination duration) and portability of the illumination device.

At present, the LED lighting device in the industry is single, and it is difficult to consider both lighting performance (lighting range, lighting brightness, lighting duration) and portability, or to pursue lighting performance, but the device has large volume and weight and poor portability, or has small volume, light weight and good portability, but the lighting performance that can be achieved when in use does not meet the requirement. In addition, the environment and the position of the operation place are often changeable, the requirement on illumination is changeable, and the current LED illumination device has poor adjustability and poor movable illumination performance and cannot meet the operation use requirement.

In addition, the LED lamp generates a large amount of accumulated heat during use, if no heat dissipation measure is taken, the accumulated heat will cause the temperature of the LED chip to be too high, and when the temperature of the chip exceeds a certain value, the working state of the lamp will be deteriorated, which not only causes significant reduction of the light emitting efficiency and reduction of the lifetime, but also causes a risk of detonation to flammable and explosive gas around the chip, and therefore, how to effectively reduce the heat generation phenomenon of the LED lamp during the lighting process, and control the ambient temperature within a safe range is also a problem to be solved by those skilled in the art. The traditional LED lamp usually comprises a light source cavity and a power supply cavity, and in the using process, the light source and the power supply can emit heat, so that the requirement on heat dissipation of the lamp is high, and the production cost of the lamp is inevitably increased.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model aims at providing a good heat dissipation, portable illumination, have illumination performance and portable's portable LED lighting device concurrently.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a portable LED lighting device, includes LED lamps and lanterns and power adapter, LED lamps and lanterns include the lamp casing, the front of lamp casing is equipped with LED light source subassembly, the back of lamp casing is just facing the partial evenly distributed of LED light source subassembly has a plurality of radiating fin, and is equipped with the ventilation clearance between the radiating fin, LED light source subassembly is connected with the light source cable, the end of light source cable is equipped with joint A, power adapter's input and output correspond respectively and are connected with input cable and output cable, the end of input cable is equipped with power connection, the end of output cable is equipped with the joint B with joint A looks adaptation.

In one embodiment, the input end and the output end of the power adapter are both provided with adapter rubber protective shells.

The utility model provides an embodiment, the front of lamp housing is equipped with the light source mounting groove, be equipped with printing opacity glass on the light source mounting groove, the cavity that forms between light source mounting groove and the printing opacity glass is the light source chamber, LED light source subassembly is installed in the light source intracavity.

According to the preferable scheme, the front face of the lamp shell is provided with a pressing cover matched with the light-transmitting glass, and the light-transmitting glass is fixed on the light source mounting groove through the pressing cover.

In a preferable scheme, the contact surface of the lamp shell and the light-transmitting glass is provided with epoxy resin.

According to the preferable scheme, the LED light source assembly comprises an aluminum substrate arranged in a light source mounting groove, a light source cable is connected with the aluminum substrate, a plurality of LED lamp beads are distributed on the front face of the aluminum substrate, a lens is covered on the surface of each LED lamp bead, the lens is connected with a pressing plate matched with the lens, and the lens is fixed on the surfaces of the LED lamp beads through the pressing plates.

In a preferred scheme, the inner wall of the light source mounting groove is provided with a heat conduction coating.

The utility model provides an embodiment, the lamp housing includes the radiating part, the top of radiating part is equipped with the footstock, the bottom of radiating part is equipped with the base, LED light source subassembly is located the front of radiating part, radiating fin and ventilation gap are located the back of radiating part, be equipped with the line nut on the footstock, the light source cable passes the line nut and links to each other with LED light source subassembly.

According to a preferable scheme, a top seat rubber protective shell and a base seat rubber protective shell are correspondingly arranged on the surfaces of the top seat and the base seat respectively.

In one embodiment, a portable support is connected to the top of the lamp shell, and a rubber protective shell of the support is arranged outside the portable support.

In one embodiment, the side and/or bottom of the lamp housing is provided with a suction mechanism.

In a preferred embodiment, the adsorption mechanism is a magnetic adsorption mechanism.

Compared with the prior art, the utility model has the advantages of:

the utility model provides a LED lighting device, including LED lamps and lanterns and external power adapter, LED lamps and lanterns and power adapter are independent each other, can dismantle the connection through joint and cable between the two, and in addition, the back of the lamp housing of LED lamps and lanterns is just facing the partial evenly distributed of LED light source subassembly has a plurality of radiating fin, and is equipped with ventilation gap between radiating fin, makes LED lighting device good heat dissipation, portable illumination, have illumination performance and portability concurrently, have obvious practical value.

Drawings

Fig. 1 is a schematic structural diagram of a portable LED lighting device according to an embodiment of the present invention;

fig. 2 is an assembly view of the LED lamp according to the embodiment of the present invention;

fig. 3 is a bottom view of the LED lamp according to the embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

fig. 5 is a side view of the LED lamp according to the embodiment of the present invention;

fig. 6 is a rear view of the LED lamp according to the embodiment of the present invention;

fig. 7 is an exploded view of the LED lamp according to the embodiment of the present invention;

fig. 8 is an assembly view of the power adapter in an embodiment of the invention;

the numbers in the figures are as follows: 1. an LED lamp; 11. a lamp housing; 111. a heat dissipating fin; 112. a ventilation gap; 113. a light source mounting groove; 114. a heat dissipating section; 115. a top seat; 116. a base; 12. an LED light source assembly; 121. an aluminum substrate; 122. LED lamp beads; 123. a lens; 124. pressing a plate; 13. a light-transmitting glass; 14. a gland; 15. an epoxy resin; 16. a wire passing nut; 17. a top seat rubber protective shell; 18. a base rubber protective housing; 19. a hand-held support; 191. a bracket rubber protective shell; 120. an adsorption mechanism; 2. a power adapter; 21. an adapter rubber protective housing; 3. a light source cable; 4. a joint A; 5. an input cable; 6. an output cable; 7. a power supply connector; 8. and a joint B.

Detailed Description

The technical solution of the present invention will be further clearly and completely described below with reference to the accompanying drawings and examples.

Examples

With reference to fig. 1 to 8: the utility model provides a pair of portable LED lighting device, including LED lamps and lanterns 1 and power adapter 2, LED lamps and lanterns 1 includes lamp housing 11, lamp housing 11's front is equipped with LED light source subassembly 12, the part evenly distributed that lamp housing 11's the back is facing LED light source subassembly 12 has a plurality of radiating fin 111, and is equipped with ventilation gap 112 between radiating fin 111, LED light source subassembly 12 is connected with light source cable 3, light source cable 3's end is equipped with joint A4, power adapter 2's input and output correspond respectively and are connected with input cable 5 and output cable 6, input cable 5's end is equipped with power connection 7, output cable 6's end is equipped with the joint B8 with joint A4 looks adaptation.

LED lighting device, when the operation, be connected power connection 7 with the power, will connect B8 and connect A4 and be connected, LED lamps and lanterns 1 can connect the power and carry out the illumination work (as shown in fig. 1), and during the operation, LED lamps and lanterns 1 and power adapter 2 detachable are placed, for example, LED lamps and lanterns 1 can be in explosion-proof regional work, power adapter 2 can be put in non-explosion-proof region, the back is accomplished in the operation, direct disconnection connects B8 and connects A4's being connected, disconnection power connection 7 is connected with the power, it can to leave the operation scene with power adapter 2 respectively to carry LED lamps and lanterns 1, use and convenient to carry.

The utility model discloses in, because the input cable 5 and the output cable 6 that the light source cable 3 that LED lamps and lanterns 1 are connected, power adapter 2 are connected all have certain length, and length can require nimble adjustment according to the operation, consequently, when power position is fixed, can hand-held LED lamps and lanterns 1 and remove the illumination in the certain limit, the operation position is nimble changeable, and the illumination zone is controllable.

In addition, the LED lamp 1 is externally connected with the power adapter 2, the LED lamp 1 and the power adapter 2 are independent of each other, and the power adapter 2 can continuously provide power for the LED lamp 1, so that the LED lamp 1 can continuously and stably illuminate with high brightness, and the overall illumination brightness and illumination duration of the device are excellent.

In addition, the power adapter 2 is externally connected, i.e. represents that the power supply of the LED lamp 1 is externally arranged, therefore, a power supply cavity is not required to be arranged in the lamp shell of the LED lamp 1, and an LED power supply is not required to be arranged, so that the whole structure of the LED lamp 1 is simple, the weight and the volume of the lamp shell are effectively reduced, the portability of the LED lamp 1 is good, and simultaneously, because the power supply is arranged externally, the LED lamp 1 only needs to consider the heat dissipation problem of the light source and does not need to consider the heat dissipation problem of the power supply when in operation, thereby effectively reducing the heat dissipation difficulty of the LED lamp 1, the LED lamp 1 can quickly and efficiently dissipate the heat generated by the light source only by arranging the heat dissipation fins 111 and the ventilation gaps 112 on the back surface of the lamp shell 11, has good heat dissipation performance, ensures the working stability and durability of the LED lamp 1, therefore, the LED lamp 1 is not only suitable for a low-power lamp but also suitable for a high-power lamp, and the illumination brightness of the LED lamp 1 can be effectively ensured.

In a word, the utility model provides a lighting device, the operation position is nimble changeable, and the illumination zone is controllable, and convenience, adjustability are good, and the good heat dissipation of illumination lamps and lanterns, simple structure, easily carrying, low cost are suitable for multiposition multiple spot operation, use and easy maintenance are favorable to realizing the industrial production, have popularization and application and worth.

In addition, the lamp shell 11 of the LED lamp 1 can be formed by aluminum alloy pressure casting, which can reduce the weight of the LED lamp 1 to a great extent, so that the LED lamp 1 is portable and suitable for mass production.

Referring to fig. 8, the input and output terminals of the power adapter 2 are provided with adapter rubber protective cases 21.

Referring to fig. 2 to 7, a light source installation groove 113 is formed in the front surface of the lamp housing 11, the light source installation groove 113 is provided with transparent glass 13, a cavity formed between the light source installation groove 113 and the transparent glass 13 is a light source cavity, and the LED light source assembly 12 is installed in the light source cavity. The material of the transparent glass 13 can be toughened glass, so that the transparent glass can resist the impact of 7J energy, and further the LED lamp 1 has strong impact resistance and explosion resistance.

In addition, the front surface of the lamp housing 11 is provided with a pressing cover 14 matched with the light-transmitting glass 13, and the light-transmitting glass 13 is fixed on the light source mounting groove 113 through the pressing cover 14. In addition, the contact surface of the lamp housing 11 and the light-transmitting glass 13 is provided with epoxy resin 15. The lamp shell 11 and the transparent glass 13 are subjected to pouring treatment through the epoxy resin 15, and the inner space and the outer space of the lamp shell 11 are separated by the epoxy resin 15 after pouring, so that the overall protection grade of the LED lamp 1 is effectively improved. In this embodiment, the lamp housing 11, the transparent glass 13, and the pressing cover 14 are detachably connected, for example, after the transparent glass 13 is pressed on the lamp housing 11 (i.e., on the light source installation groove 113 of the lamp housing 11) by the pressing cover 14, the pressing cover 14 is fixed by a screw.

In this embodiment, the LED light source assembly 12 includes an aluminum substrate 121 disposed in the light source mounting groove 113, the light source cable 3 is connected to the aluminum substrate 121, a plurality of LED beads 122 are distributed on the front surface of the aluminum substrate 121, a lens 123 is covered on the surface of each LED bead 122, the lens 123 is connected to a pressing plate 124 adapted to the lens 123, and the lens 123 is fixed on the surface of the LED bead 122 through the pressing plate 124.

In addition, the inner wall of the light source mounting groove 113 is provided with a heat conducting coating (not shown) so as to better conduct the heat emitted from the LED light source assembly 12 to the lamp housing 11, and then the heat is emitted through the heat radiating fins 111 and the ventilation gap 112 on the back of the lamp housing 11, thereby further improving the heat radiation performance of the whole LED lamp 1. The material of the heat-conducting coating is universal heat-conducting resin, such as heat-conducting silicone grease.

As shown in fig. 5 to 7, the lamp housing 11 includes a heat dissipating portion 114, a top seat 115 is disposed on a top of the heat dissipating portion 114, a base 116 is disposed on a bottom of the heat dissipating portion 114, the LED light source assembly 12 is located on a front surface of the heat dissipating portion 114 (correspondingly, the light source mounting groove 113 is also located on the front surface of the heat dissipating portion 114), the heat dissipating fins 111 and the ventilation gap 112 are located on a back surface of the heat dissipating portion 114, the top seat 115 is provided with a wire passing nut 16, and the light source cable 3 passes through the wire passing nut 16 and is connected to the LED light source assembly 12. A top seat 115 is arranged to facilitate connection of components such as the light source cable 3, and a bottom seat 116 is arranged to facilitate placement of the LED lamp 1 as a whole.

In addition, the top seat rubber protective shell 17 and the base seat rubber protective shell 18 are correspondingly arranged on the surfaces of the top seat 115 and the base seat 116 respectively, so that the lamp is protected.

In addition, a portable bracket 19 (specifically, the portable bracket 19 is connected to the top of the top base 115) is connected to the top of the lamp housing 11, so that the LED lamp 1 can be moved by holding the portable bracket 19 by hand, and a bracket rubber protective shell 191 is arranged outside the portable bracket 19.

In addition, the lamp housing 11 is provided with the suction mechanism 120 at the side and/or the bottom, and in this embodiment, the suction mechanism 120 is provided at both the side of the lamp housing 11 (specifically, the side of the heat dissipating portion 114) and the bottom of the lamp housing 11 (specifically, the bottom of the base 116). During operation, the LED lamp 1 can be fixed on a fixed object in the operating environment by the adsorption mechanism 120, so that the LED lamp 1 can be separated from manual control to perform lighting operation, which is beneficial to the LED lamp 1 to generate a proper lighting condition. In this embodiment, the adsorption mechanism 120 is a magnetic adsorption mechanism, for example, a magnet, and the LED lamp 1 can be adsorbed and fixed on a ferromagnetic material in a working environment by the magnet during operation.

It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. A portable LED lighting device, characterized in that: the LED lamp comprises an LED lamp body and a power adapter, the LED lamp body comprises a lamp shell, an LED light source assembly is arranged on the front face of the lamp shell, a plurality of radiating fins are evenly distributed on the part, facing the LED light source assembly, of the back face of the lamp shell, a ventilating gap is formed between the radiating fins, the LED light source assembly is connected with a light source cable, a connector A is arranged at the tail end of the light source cable, the input end and the output end of the power adapter are correspondingly connected with an input cable and an output cable respectively, a power connector is arranged at the tail end of the input cable, and a connector B matched with the connector A is arranged at the tail end.

2. The portable LED lighting device of claim 1, wherein: the LED lamp comprises a lamp shell and is characterized in that a light source mounting groove is formed in the front face of the lamp shell, light-transmitting glass is arranged on the light source mounting groove, a cavity formed between the light source mounting groove and the light-transmitting glass is a light source cavity, and an LED light source assembly is mounted in the light source cavity.

3. The portable LED lighting device of claim 2, wherein: the front surface of the lamp shell is provided with a gland matched with the light-transmitting glass, and the light-transmitting glass is fixed on the light source mounting groove through the gland.

4. The portable LED lighting device of claim 2, wherein: the LED light source assembly comprises an aluminum substrate arranged in a light source mounting groove, a light source cable is connected with the aluminum substrate, a plurality of LED lamp beads are distributed on the front surface of the aluminum substrate, a lens is covered on the surface of each LED lamp bead, the lens is connected with a pressing plate matched with the lens, and the lens is fixed on the surface of each LED lamp bead through the pressing plate.

5. The portable LED lighting device of claim 1, wherein: the LED lamp comprises a lamp shell and is characterized in that the lamp shell comprises a heat dissipation part, a top seat is arranged at the top of the heat dissipation part, a base is arranged at the bottom of the heat dissipation part, an LED light source assembly is located on the front side of the heat dissipation part, heat dissipation fins and ventilation gaps are located on the back side of the heat dissipation part, a wire nut is arranged on the top seat, and a light source cable penetrates through the wire nut and is connected with the LED light source assembly.

6. The portable LED lighting device of claim 1, wherein: the top of the lamp shell is connected with a portable support.

7. The portable LED lighting device of claim 1, wherein: and the side part and/or the bottom of the lamp shell is/are provided with an adsorption mechanism.