CN218721052U

CN218721052U - High-temperature-resistant LED lamp

Info

Publication number: CN218721052U
Application number: CN202223180600.XU
Authority: CN
Inventors: 张华剑; 吕慧
Original assignee: Hubei Jianwei Electric Technology Co ltd
Current assignee: Hubei Jianwei Electric Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-24
Anticipated expiration: 2032-11-29

Abstract

The utility model provides a high temperature resistant LED lamps and lanterns, including the lamp stand, be equipped with LED light source board and fin on the lamp stand, including the region that the fin encloses holds LED light source board, can dismantle on the lamp stand and be connected with ceramic body and encircle the fin setting, be equipped with the lamp body of parcel partial ceramic body on the ceramic body, can dismantle on the lamp body and be connected with glass cover and be located the lamp body and keep away from the one end of lamp stand still is equipped with the leaded light post on the ceramic body, and the one end in the relative both ends of leaded light post is passed the fin and is close to LED light source board, during the other end stretches into the glass cover, and the leaded light post does not contact with LED light source board. The utility model provides a technical problem that LED lamps and lanterns during operation life shortens under high temperature environment, produced the technological effect that makes LED lamps and lanterns can long-time steady operation, reduce LED light source board change number of times in high temperature environment, do benefit to and improve the user and use experience.

Description

High-temperature-resistant LED lamp

Technical Field

The utility model relates to a lighting apparatus technical field especially relates to a high temperature resistant LED lamps and lanterns.

Background

The LED lamp is widely applied to illumination of various scenes due to the characteristics of high luminous efficiency, long service life, low power consumption, good weather resistance and the like which are superior to those of the traditional light source.

Because the LED lamp generates a large amount of heat during operation, a heat dissipation device is usually disposed on the LED lamp to prevent the chip of the LED lamp from being damaged due to the over-high temperature of the LED lamp. When the LED lamp works in a high-temperature environment, for example, when the LED lamp is used for internal illumination of kitchen appliances such as a steam box, an oven or an air fryer, the temperature of the working environment can reach 350 ℃ or above and the ventilation is poor, the heat dissipation performance of the LED lamp can be greatly reduced, the heat generated in the working process of the LED lamp cannot be dissipated, the service life of the LED lamp can be shortened, the LED lamp needs to be frequently replaced, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a high temperature resistant LED lamps and lanterns, it has solved the problem that the LED lamps and lanterns that exist shorten of life under the high temperature environment during operation among the prior art.

According to the embodiment of the utility model, a high temperature resistant LED lamps and lanterns, which comprises a lamp stand, be equipped with LED light source board and fin on the lamp stand, the region that the fin encloses will including LED light source board holds, can dismantle on the lamp stand and be connected with ceramic body just ceramic body encircles the fin sets up, the last parcel part that is equipped with of ceramic body's lamp body, can dismantle on the lamp body and be connected with glass cover just glass cover is located the lamp body is kept away from the one end of lamp stand, still be equipped with the leaded light post on the ceramic body, one end in the relative both ends of leaded light post is passed the fin is close to LED light source board, the other end stretch into in the glass cover, just the leaded light post not with LED light source board contact.

Furthermore, a first buckle is arranged on the lamp holder, and a first clamping groove matched with the first buckle is arranged on the ceramic body.

Further, the LED light source board comprises an aluminum substrate, a positioning table for supporting the aluminum substrate is arranged on the lamp holder, so that the aluminum substrate and the end face of the lamp holder are arranged at intervals, and heat dissipation holes for communicating the interval between the aluminum substrate and the end face of the lamp holder and the outside are further formed in the lamp holder.

Furthermore, a second buckle is arranged on the lamp holder and is abutted against one surface, far away from the lamp holder, of the aluminum substrate, and the aluminum substrate is tightly pressed on the positioning table.

Further, the LED light source board include lamp pearl and with the wire that the lamp pearl electricity is connected, be equipped with the confession on the lamp stand the via hole that the wire passed, still be equipped with the connecting piece on the lamp stand, the connecting piece including accept in cross downthehole cylindric portion, the wire stretches into in the cylindric portion just be equipped with in the cylindric portion with the wire compresses tightly deformation portion on the inner wall of cylindric portion.

Furthermore, the lamp holder is provided with a through groove communicated with the through hole, and the length direction of the through groove is consistent with the radial direction of the through hole, and the opening of the through groove is aligned to the deformation part.

Furthermore, one end, far away from the LED light source board, of the radiating fin is provided with an annular part, and the annular part wraps one end, close to the LED light source board, of the light guide column.

Furthermore, the periphery wall of the ceramic body is provided with a convex clamping block, and the lamp housing is provided with a second clamping groove matched with the clamping block.

Further, still be equipped with solid fixed ring in the pottery body, gu fixed ring cover is established on the periphery wall of leaded light post.

Further, the light guide column is close to one end of the LED light source plate and is provided with a concave surface, and the concave surface is arc-shaped.

Compared with the prior art, the utility model discloses following beneficial effect has: the LED light source board is arranged outside the high-temperature working environment, the light emitted by the LED light source board is guided to the high-temperature environment through the light guide column, the light guide column is not in contact with the LED light source board, heat in the high-temperature environment cannot be transmitted to the LED light source board along the light guide column, the working environment of the LED light source board is effectively improved while the lighting requirement of the high-temperature environment is met, the LED light source board is beneficial to fast dissipation of heat generated in the light emitting process of the LED light source board to enable the LED light source board to be kept in a proper temperature range, the service life of the LED light source board is prolonged, the technical problem that the service life of an LED lamp is shortened when the LED lamp works in the high-temperature environment is solved, the technical effect that the LED lamp can stably run in the high-temperature environment for a long time, the replacement times of the LED light source board are reduced is generated, and the use experience of users is improved.

Drawings

Fig. 1 is a schematic structural view of a high temperature resistant LED lamp according to an embodiment of the present invention;

fig. 2 is an exploded view of a high temperature resistant LED lamp according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a high temperature resistant LED lamp according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of another cross-section of a high temperature resistant LED lamp according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a lamp socket in a high temperature resistant LED lamp according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of the ceramic body in the high temperature resistant LED lamp according to an embodiment of the present invention.

In the drawings, wherein: 1. a lamp socket; 11. a first buckle; 12. a positioning table; 13. heat dissipation holes; 14. a second buckle; 15. a via hole; 16. a through groove; 2. an LED light source plate; 21. an aluminum substrate; 22. a lamp bead; 23. a wire; 3. a heat sink; 31. an annular portion; 32. a notch; 4. a ceramic body; 41. a first card slot; 42. a clamping block; 43. a fixing ring; 5. a lamp housing; 51. a second card slot; 6. a glass cover; 61. a threaded portion; 7. a light guide pillar; 71. a concave surface; 8. a connecting member; 81. a cylindrical portion; 82. and (3) a support leg.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 6, an embodiment of the present invention provides a high temperature resistant LED lamp for providing illumination for high temperature environment, which is particularly suitable for kitchen appliances such as steam box, oven and air fryer.

Referring to fig. 1 and 2, the high temperature resistant LED lamp includes a lamp holder 1, an LED light source board 2 and a heat sink 3 are disposed on the lamp holder 1, the LED light source board 2 is fixed on one end surface of the lamp holder 1, the heat sink 3 encloses an area to contain the LED light source board 2, so that heat generated when the LED light source board 2 operates is conducted to an external environment through the heat sink 3, the lamp holder 1 is also detachably connected with a ceramic body 4, the ceramic body 4 is disposed around the heat sink 3 and positions the heat sink 3 on the lamp holder 1, a glass cover 6 is detachably connected to the ceramic body 4 to wrap a portion of a lamp housing 5 of the ceramic body 4, one end of the lamp housing 5, which is far away from the lamp holder 1, the glass cover 6 is made of high temperature resistant glass, a light guide pillar 7 is further disposed on the ceramic body 4, one end of the light guide pillar 7, which is opposite to the two ends, passes through the heat sink 3 and is close to the light source board, the other end of the light guide pillar 7 extends into the lamp shade, and the light guide pillar 7 does not contact with the LED light source board 2, and then reaches the external environment to illuminate the lamp shade.

Specifically, when the high temperature resistant LED lamp provided by this embodiment is used to illuminate a high temperature environment, the high temperature resistant LED lamp is installed and then the LED light source board 2 is located in a low temperature environment outside the high temperature environment, and the lamp shade and part of the light guide pillar 7 are located in the high temperature environment, at this time, the light emitted from the LED light source board 2 can be guided along the light guide pillar 7 to provide illumination for the high temperature environment when reaching the high temperature environment, and meanwhile, the heat generated by the LED light source board 2 is quickly dissipated to the surrounding environment under the action of the heat dissipation fins 3, and the light guide pillar 7 is not in contact with the LED light source board 2 to prevent the heat in the high temperature environment from being guided along the light guide pillar 7 to the LED light source board 2, so that the temperature of the LED light source board 2 is kept in an appropriate range, thereby prolonging the service life of the LED light source board 2 and reducing the number of maintenance times.

Referring to fig. 3, 5 and 6, in order to facilitate the combination of the lamp holder 1 and the ceramic body 4, a first clip 11 is disposed on the lamp holder 1, a first clip groove 41 that is matched with the first clip 11 is disposed on the ceramic body 4, the lamp holder 1 and the ceramic body 4 can be combined into a whole by inserting the first clip 11 into the first clip groove 41 to engage the first clip 11 with the first clip groove 41, and the first clip groove 41 is T-shaped and accommodates the first clip 11 therein, so as to prevent the first clip 11 from generating unexpected movement in the first clip groove 41 to loosen the connection between the lamp holder 1 and the ceramic body 4.

As shown in fig. 3 and 5, the LED light source board 2 includes an aluminum substrate 21, beads 22 disposed on the aluminum substrate 21, and wires 23 electrically connected to the beads 22, a positioning table 12 for supporting the aluminum substrate 21 is disposed on the end surface of the lamp holder 1, the positioning tables 12 are plural and plural, the positioning tables 12 are disposed along the circumferential direction of the lamp holder 1, after the aluminum substrate 21 is disposed on the positioning table 12, a space is formed between the aluminum substrate 21 and the end surface of the lamp holder 1, and heat dissipation holes 13 communicating the space between the aluminum substrate 21 and the end surface of the lamp holder 1 with the outside are further disposed on the lamp holder 1, so that heat generated by the LED light source board 2 can be dissipated from the heat dissipation holes 13 to the outside environment, thereby accelerating the heat dissipation of the LED light source board 2.

In detail, the lamp socket 1 is further provided with a second latch 14, the second latch 14 abuts against a surface of the aluminum substrate 21 away from the lamp socket 1 to press the aluminum substrate 21 against the positioning table 12, so that the position of the aluminum substrate 21 on the lamp socket 1 is kept stable, and the LED light source board 2 is prevented from accidentally dropping from the lamp socket 1.

As shown in fig. 3, fig. 4 and fig. 5, in order to facilitate the connection of the high-temperature resistant LED lamp with the power supply device, a connecting member 8 electrically connected with the LED light source board 2 is arranged on the lamp holder 1, and the power can be obtained by connecting the connecting member 8 with the power supply device. Be equipped with the confession on the lamp stand 1 the via hole 15 that the wire 23 passed, wire 23 keeps away from the one end of lamp pearl 22 stretches into in the via hole 15, connecting piece 8 is including the cylindric portion 81 and the stabilizer blade 82 that link to each other, cylindric portion 81 is acceptd in the via hole 15 and with the inner wall laminating of via hole 15, just wire 23 stretches into in the cylindric portion 81, be equipped with on the cylindric portion 81 with wire 23 compresses tightly deformation portion on the inner wall of cylindric portion 81, wire 23 stretches into pass through behind the cylindric portion 81 deformation portion will wire 23 presss from both sides tightly, will simultaneously wire 23 with connecting piece 8 switches on, and then need not the welding can with wire 23 with connecting piece 8 stable connection simplifies the equipment step of high temperature resistant LED lamps and lanterns to avoid because of the bad that welding quality is not good causes, stabilizer blade 82 is located lamp stand 1 keeps away from the one end of LED light source board 2 so that will stabilizer blade 82 switches on with power supply unit.

Preferably, in this embodiment, the deformation portion is formed by cutting the cylindrical portion 81, a through groove 16 is further provided on an end surface of the lamp holder 1, the end surface being away from one end of the light source board, the through groove 16 is communicated with the through hole 15, a length direction of the through groove 16 is consistent with a radial direction of the through hole 15, and an opening of the through groove 16 is aligned with the deformation portion. After the deformed portion is cut out from the cylindrical portion 81 in advance, the lead 23 is inserted into the cylindrical portion 81 and the deformed portion is pressed along the through groove 16 to deform the deformed portion, so that the lead 23 can be conveniently fixed in the cylindrical portion 81, and the lead 23 and the connecting member 8 are kept in conduction, so that the high-temperature resistant LED lamp is convenient to assemble.

Referring to fig. 2 and 3, an annular portion 31 is disposed at an end of the heat sink 3 away from the LED light source board 2, and the annular portion 31 wraps a side of the light guiding pillar 7 close to the LED light source board 2, so that the connection between the light guiding pillar 7 and the heat sink 3 is reliable, and the light guiding pillar 7 is kept in non-contact with the LED light source board 2. And the edge of the heat sink 3 is also provided with a notch 32 avoiding the ceramic body 4, and after the ceramic body 4 is matched with the lamp holder 1, the ceramic body 4 extends into the notch 32 to limit the heat sink 3, so that the heat sink 3 is prevented from generating unexpected movement.

In detail, still be equipped with solid fixed ring 43 in ceramic body 4, gu fixed ring 43 cover is established on the periphery wall of leaded light post 7, gu fixed ring 43's material is made for silica gel or rubber etc. has elastic material, gu fixed ring 43 is used for improving leaded light post 7 with the stability of the connection between ceramic body 4 avoids leaded light post 7 is followed the pine takes off on ceramic body 4.

As shown in fig. 4 and 6, in order to further improve the stability of the overall structure of the high temperature resistant LED lamp, a protruding fixture block 42 is further disposed on the outer circumferential wall of the ceramic body 4, a second fixture groove 51 matched with the fixture block 42 is disposed on the lamp housing 5, and after the lamp housing 5 is combined with the ceramic body 4, the fixture block 42 extends into the second fixture groove 51 to be clamped with the second fixture groove 51, so that the connection between the lamp housing 5 and the ceramic body 4 is reliable.

Specifically, glass cover 6 still has screw thread portion 61, screw thread portion 61 with lamp body 5 cooperatees, promptly through rotating glass cover 6 will screw thread portion 61 screw in the lamp body 5 can with glass cover 6 is fixed on lamp body 5, both convenient high temperature resistant LED lamps and lanterns equipment can also be guaranteed glass cover 6 with cooperation between the lamp body 5 is stable.

As shown in fig. 2 and 3, the light guide column 7 is close to one end of the LED light source board 2 has a concave surface 71, the concave surface 71 is arc-shaped, the concave surface 71 is used for refracting light emitted by the LED light source board 2, so that the light can be diffused into a working environment after being conducted by the light guide column 7, and the high-temperature resistant LED lamp is ensured to have a good lighting effect.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a high temperature resistant LED lamps and lanterns which characterized in that: the LED lamp comprises a lamp holder, be equipped with LED light source board and fin on the lamp holder, the region that the fin encloses will including LED light source board holds, can dismantle on the lamp holder and be connected with ceramic body just ceramic body encircles the fin sets up, be equipped with the parcel part on the ceramic body's lamp body, can dismantle on the lamp body and be connected with glass cover just glass cover is located the lamp body is kept away from the one end of lamp holder, still be equipped with the leaded light post on the ceramic body, the one end in the relative both ends of leaded light post is passed the fin is close to LED light source board, the other end stretch into in the glass cover, just the leaded light post not with LED light source board contact.

2. The high temperature resistant LED lamp of claim 1, wherein: the lamp holder is provided with a first buckle, and the ceramic body is provided with a first clamping groove matched with the first buckle.

3. The high temperature resistant LED lamp of claim 1, wherein: the LED light source board comprises an aluminum substrate, a positioning table for supporting the aluminum substrate is arranged on the lamp holder, so that the aluminum substrate and the end face of the lamp holder are arranged at intervals, and heat dissipation holes for communicating the interval between the aluminum substrate and the end face of the lamp holder and the outside are further formed in the lamp holder.

4. A high temperature resistant LED lamp as recited in claim 3, wherein: and a second buckle is arranged on the lamp holder and is abutted against one surface of the aluminum substrate, which is far away from the lamp holder, and the aluminum substrate is tightly pressed on the positioning table.

5. The high temperature resistant LED lamp of claim 1, wherein: the LED light source board includes lamp pearl and with the wire that the lamp pearl electricity is connected, be equipped with the confession on the lamp stand the via hole that the wire passed, still be equipped with the connecting piece on the lamp stand, the connecting piece including accept in cross downthehole cylindric portion, the wire stretches into in the cylindric portion just be equipped with in the cylindric portion with the wire compresses tightly deformation portion on the inner wall of cylindric portion.

6. The high temperature resistant LED lamp of claim 5, wherein: the lamp holder is provided with a through groove communicated with the through hole, and the length direction of the through groove is consistent with the radial direction of the through hole and the opening of the through groove is aligned to the deformation part.

7. The high temperature resistant LED lamp of claim 1, wherein: the radiating fin is far away from the one end of LED light source board has annular portion, annular portion parcel leaded light post is close to the one end of LED light source board.

8. The high temperature resistant LED lamp of claim 1, wherein: the ceramic lamp is characterized in that a protruding clamping block is arranged on the peripheral wall of the ceramic body, and a second clamping groove matched with the clamping block is formed in the lamp shell.

9. The high temperature resistant LED lamp of claim 1, wherein: still be equipped with solid fixed ring in the pottery body, gu fixed ring cover establishes on the periphery wall of leaded light post.

10. The high temperature resistant LED lamp of claim 1, wherein: the one end that leaded light post is close to LED light source board has the concave surface, the concave surface is the arc.