CN216431662U - Lamp heat dissipation structure and lamp - Google Patents
Lamp heat dissipation structure and lamp Download PDFInfo
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- CN216431662U CN216431662U CN202123341378.2U CN202123341378U CN216431662U CN 216431662 U CN216431662 U CN 216431662U CN 202123341378 U CN202123341378 U CN 202123341378U CN 216431662 U CN216431662 U CN 216431662U
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Abstract
The utility model provides a lamps and lanterns heat radiation structure and lamps and lanterns, lamps and lanterns heat radiation structure includes: the heat dissipation part and the bonding part extend from the periphery of the heat dissipation part to the direction vertical to the heat dissipation part, and a circular arc-shaped first transition part is arranged between the heat dissipation part and the bonding part; the surface of the heat dissipation part is provided with a plurality of through holes; the circumference evenly distributed of laminating portion has many recesses, and the recess is inwards sunken from the surface of laminating portion, and the recess extends along axial direction, and the recess extends to the heat dissipation part and runs through the heat dissipation part. The lamp comprises a lamp body, an optical assembly, a power supply part, a rear cover and the lamp heat dissipation structure, wherein the fitting part is in interference fit with the lamp body. The utility model discloses a lamps and lanterns heat radiation structure not only heat dispersion is good, simple structure has lightweight characteristics moreover.
Description
Technical Field
The utility model relates to a LED lighting technology field specifically is to a lamps and lanterns heat radiation structure and have this heat radiation structure's lamps and lanterns.
Background
The LED lamp is the most common lighting apparatus in modern lighting, can directly convert electric energy into light energy, and has the advantages of high brightness, low energy consumption, environmental protection, long service life, impact resistance and stable performance.
The down lamp and the guide rail lamp are two common LED lamps and are commonly used for illumination in places such as families, hotels, markets and the like. The heat dissipation effect of the existing down lamp and the guide rail lamp is not good, so that heat emitted by the LED chip during working cannot be dissipated timely, normal work and service life of the LED chip can be influenced when the temperature of the lamp body is too high, light attenuation is large, and the requirement of people on daily improvement of illumination cannot be met.
In order to solve the technical problem, chinese utility model patent that publication number (announcement number) is CN205979418U discloses "a guide rail lamp heat radiation structure", see fig. 1, this heat radiation structure includes well core cylinder 1, connecting portion 2 and laminating portion 3, laminating portion 3 link to each other through connecting portion 2 and well core cylinder 1, connecting portion 2 have an elastic construction, the outside of laminating portion 3 have with guide rail lamp section of thick bamboo inner wall matched with arc structure, well core cylinder 1 is provided with light source module installation bayonet 12 on one of them bottom surface. The fitting part 3 is designed into a close fit structure fitted with the lamp tube, so that the heat of the LED guide rail lamp in the working process can be effectively conducted, and the heat is exchanged with air to be dissipated. Both sides have been made respectively on connecting portion 2 and have had bow-shaped structure, monolithic arc structure and interval are provided with the buffering breach and are the structure that the radiation slice distributes around well core cylinder 1 for guide rail lamp heat radiation structure has certain elastic effect, can avoid a lamp section of thick bamboo to cause a lamp section of thick bamboo to warp because the extrusion when equipment cooperation with a lamp section of thick bamboo, effectively guarantees guide rail lamp normal work.
However, such a "guide rail lamp heat dissipation structure" has the following problems:
(1) the central core cylinder 1 is of a solid core structure, so that the whole heat dissipation structure becomes heavy, the whole weight of the lamp is further improved, and the light weight of the lamp is not facilitated;
(2) the heat dissipation structure is complex, a complex mold needs to be manufactured for molding, the manufacturing process is complex, and the cost is high.
Disclosure of Invention
The utility model discloses a first purpose provides a simple structure and good lamps and lanterns heat radiation structure of heat dispersion.
The second objective of the present invention is to provide a lamp with the above heat dissipation structure.
In order to realize the first object mentioned above, the utility model provides a lamp heat radiation structure, include:
the heat dissipation part and the bonding part extend from the periphery of the heat dissipation part to the direction vertical to the heat dissipation part, and a circular arc-shaped first transition part is arranged between the heat dissipation part and the bonding part;
the surface of the heat dissipation part is provided with a plurality of through holes;
the circumference evenly distributed of laminating portion has many recesses, and the recess is inwards sunken from the surface of laminating portion, and the recess extends along axial direction, and the recess extends to the heat dissipation part and runs through the heat dissipation part.
According to the above technical scheme, the utility model provides a lamps and lanterns heat radiation structure encloses into semi-enclosed chamber that holds through radiating part and laminating portion, holds the chamber and makes lamps and lanterns heat radiation structure have "hollow" structure, has reduced lamps and lanterns heat radiation structure's weight, is favorable to the lightweight of lamps and lanterns. The arrangement of the first transition part can prevent stress concentration and improve the reliability of the lamp heat dissipation structure.
The further scheme is that the through hole comprises a plurality of heat dissipation holes and a first mounting hole, and the size of each heat dissipation hole is larger than that of the first mounting hole.
Therefore, the heat dissipation holes are beneficial to air circulation, and the heat dissipation efficiency is improved; the first mounting hole can be used for mounting the fixing hole, and mounting convenience is improved.
The further proposal is that the two ends of the heat dissipation holes are arranged into circular arcs. The arc shape can effectively reduce stress concentration and prevent the heat dissipation holes from cracking.
The further scheme is that four grooves are formed, and two heat dissipation holes are formed between every two adjacent grooves.
The further scheme is that arc-shaped second transition parts are arranged at the junctions of the grooves, the heat dissipation part, the attaching part and the first transition part. The arc-shaped second transition part further reduces stress concentration and improves reliability.
Further, the heat dissipation part and the bonding part are integrally formed by a 1-series aluminum plate.
Because 1 is that aluminum plate has good ductility, tensile strength and heat conductivity, can directly form heat dissipation portion and laminating portion through cold pressing process, preparation simple process, low in manufacturing cost.
In order to achieve the second objective mentioned above, the present invention provides a lamp, including:
the lamp comprises a lamp body, an optical component, a power supply part, a rear cover and the lamp heat dissipation structure;
the lamp body is of a hollow cylindrical structure, a plurality of mounting columns are uniformly arranged on the inner wall of the lamp body in the circumferential direction, and second mounting holes extending along the axial direction are formed in the mounting columns;
the optical assembly is arranged at the opening at the front end of the lamp body, and the rear cover is arranged at the rear part of the opening at the rear end of the lamp body;
the lamp heat dissipation structure is arranged in the lamp body close to the optical assembly, the lamp heat dissipation structure is in interference fit with the inner wall of the lamp body through the attaching portion, and the mounting columns correspond to the grooves one to one.
It can be seen by above-mentioned technical scheme that, the convex first transition portion that sets up between radiating part and the laminating portion can also play the guide effect, be convenient for install lamps and lanterns heat radiation structure to the lamp body in, through the erection column alright install optical component and back lid to the both ends around the lamp body respectively, it is very convenient to install, assembly efficiency is high, the recess provides the space of stepping down for the erection column, avoid erection column and laminating portion direct contact, improve overall structure's stability.
The optical assembly comprises a light source part, a lens, a reflecting cup and a front ring, wherein the light source part is fixedly arranged on the heat dissipation part through a light source fixing plate, the lens is arranged close to the light source part, and the lens is clamped between the reflecting cup and the front ring.
The further scheme is that a second through hole is formed in the front ring, the second through hole is opposite to the second mounting hole, and the second fastener is used for mounting the front ring at the opening of the front end of the lamp body through the second through hole and the second mounting hole.
Therefore, the front ring can be fixed on the lamp body through the second through hole and the second mounting hole, and the mounting is simple.
The further proposal is that a limit part is arranged on the reflection cup, and the limit part is arranged right opposite to the mounting post. Through the limiting effect of the mounting column on the limiting part, the reflection cup is prevented from deviating, and the light emitting stability is improved.
To sum up, the beneficial effects of the utility model are that:
(1) the lamp heat dissipation structure of the utility model is a hollow structure, which not only reduces the use of materials, but also greatly reduces the whole weight, thus being beneficial to the light weight of the lamp;
(2) the lamp of the utility model has simple heat dissipation structure, can be directly formed by cold pressing process, has simple manufacturing process and low production cost;
(3) the lamp heat dissipation structure of the utility model is provided with the arc-shaped first transition part at the joint of the heat dissipation part and the laminating part, which can not only prevent stress concentration, but also play a guiding role, thereby facilitating the installation of the lamp heat dissipation structure into the lamp body and improving the installation portability;
(4) the utility model discloses a be provided with the erection column on the lamp body internal perisporium of lamps and lanterns, this erection column can form with lamp body integrated into one piece, and on the erection column of lamp body front end opening part was installed to optical assembly accessible fastener, back lid accessible fastener was installed to the erection column of lamp body rear end opening part, need not set up the installation component in addition and fixes optical assembly and back lid, has reduced the accessory of lamps and lanterns, has simplified the structure.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation structure of a track lamp in the prior art.
Fig. 2 is an exploded view of the lamp of the present invention.
Fig. 3 is a structural diagram of an embodiment of a lamp heat dissipation structure of the present invention.
Fig. 4 is a top view of an embodiment of a heat dissipation structure of a lamp according to the present invention.
Fig. 5 is a structural diagram of an embodiment of the lamp body of the present invention.
Fig. 6 is a top view of an embodiment of the lamp body of the present invention.
Fig. 7 is a block diagram of an embodiment of an optical assembly of the present invention.
Fig. 8 is a cross-sectional view of an optical assembly embodiment of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
To facilitate an understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings and specific examples. The preferred embodiments of the present invention are shown in the drawings. The 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
Referring to fig. 2, fig. 2 is an exploded view of a lamp according to an embodiment of the present invention. In the present embodiment, the lamp is described by taking a track lamp as an example. In other embodiments, the light fixture may also be a downlight (e.g., a surface mounted downlight). The lamp includes a lamp body 100, an optical assembly 200, a power supply (not shown), a rear cover 300, and a lamp heat dissipation structure 400. The lamp body 100 has a hollow cylindrical structure, that is, both ends of the lamp body 100 are open ends, and the middle of the lamp body 100 has a hollow structure. The optical assembly 200 is installed at the front opening of the lamp body 100, the rear cover 300 is installed at the rear opening of the lamp body 100, the power supply (not shown) is arranged in the lamp body 100 between the rear cover 300 and the lamp heat dissipation structure 400, the lamp heat dissipation structure 400 is arranged in the lamp body 100 close to the optical assembly 200, and the lamp heat dissipation structure 400 is in interference fit with the lamp body 100.
Example two
Referring to fig. 3 and 4, fig. 3 and 4 are structural diagrams of the lamp heat dissipation structure of the present invention at different viewing angles. The lamp heat dissipation structure 400 includes a heat dissipation portion 401 and an attachment portion 402, wherein the attachment portion 402 extends from the periphery of the heat dissipation portion 401 to a direction perpendicular to the heat dissipation portion 401, so that the heat dissipation portion 401 and the attachment portion 402 form a half-closed structure, and an opening is formed at one end of the attachment portion 402 away from the heat dissipation portion 401. Specifically, the heat dissipating portion 401 and the attaching portion 402 enclose a semi-enclosed accommodating cavity 403, and when assembled, the accommodating cavity 403 faces the optical component 200 (see fig. 2) so that the optical component 200 is partially located in the accommodating cavity 403. The accommodating cavity 403 enables the lamp heat dissipation structure 400 to have a "hollow" structure, so that the weight of the lamp heat dissipation structure 400 is reduced, and the light weight of the lamp is facilitated.
A circular arc-shaped first transition part 404 is arranged between the heat dissipation part 401 and the attachment part 402, on one hand, the first transition part 404 plays a guiding role, so that the lamp heat dissipation structure 400 is conveniently installed in the lamp body 100; on the other hand, the first transition portion 404 may prevent stress concentration.
The surface of the heat dissipation portion 401 is provided with a plurality of through holes, which include a heat dissipation hole 405 having a large aperture and a first mounting hole 406 having a small aperture. The heat dissipation hole 405 with the large aperture is arranged, so that air circulation is facilitated, and the effect of rapid heat dissipation is achieved. In this embodiment, the two ends of the heat dissipation hole 405 are set to be arc-shaped to reduce stress concentration and prevent the heat dissipation hole 405 from cracking. The first mounting hole 406 is provided with an internal thread. In this embodiment, four first mounting holes 406 are provided, and two first mounting holes 406 are paired and arranged on the same straight line. The heat dissipating part 401 is also provided with a ground connection hole 409.
A plurality of grooves 407 are uniformly distributed in the circumferential direction of the attaching portion 402, the grooves 407 are recessed inward from the surface of the attaching portion 402, the grooves 407 extend in the axial direction, and the grooves 407 extend to the heat dissipation portion 401 and penetrate through the heat dissipation portion 401. In the present embodiment, the concave groove 407 has a semicircular cross section. The junctions of the concave groove 407, the heat dissipation portion 401, the attaching portion 402, and the first transition portion 404 are all provided with arc-shaped second transition portions 408, and the second transition portions 408 can effectively reduce stress concentration.
In this embodiment, four concave slots 407 are provided, and two heat dissipation holes 405 are provided between two adjacent concave slots 407. In other embodiments, the concave grooves 407 are not limited to four, and two, three, or more than four concave grooves may be provided.
In this embodiment, heat dissipation portion 401 and laminating portion 402 are formed through 1 aluminum plate (like 1050 aluminum plate, 1060 aluminum plate, 1100 aluminum plate etc.) integrated into one piece, and 1 is that aluminum plate has good ductility, tensile strength and heat conductivity, and 1 is that aluminum plate can directly form heat dissipation portion 401 and laminating portion 402 through the technology of colding pressing, and the rethread is punched and cut technology and is formed louvre 405 and first mounting hole 406 on the surface of heat dissipation portion 401, above, just accomplish through colding pressing + punching and cutting technology the utility model discloses a lamp heat radiation structure preparation, the utility model provides a lamp heat radiation structure is simple, and preparation simple process, low in manufacturing cost, manufacturing efficiency is high.
EXAMPLE III
Referring to fig. 5 and 6, fig. 5 and 6 are structural diagrams of the lamp body of the present invention at different viewing angles. In the present embodiment, the lamp body 100 is formed by an aluminum extrusion process, the lamp body 100 has a substantially hollow cylindrical structure, the lamp body 100 includes a front opening 101 and a rear opening 102, and the front opening 101 and the rear opening 102 are respectively located at two axial ends of the lamp body 100. Referring also to fig. 2, the optical assembly 200 of the light fixture is mounted at the front opening 101 and the back cover 300 of the light fixture is mounted at the back opening 102. The lamp heat dissipation structure 400 is disposed in the lamp body 100 near the optical component 200, and the lamp heat dissipation structure 400 is in interference fit with the inner wall of the lamp body 100 through the fitting portion 402.
The inner wall of the lamp body 100 is circumferentially and uniformly provided with a plurality of mounting posts 103, the mounting posts 103 are in one-to-one correspondence with the concave grooves 407 of the lamp heat dissipation structure 400, and in this embodiment, four mounting posts 103 are provided. The mounting post 103 extends in the axial direction of the lamp body 100, a second mounting hole 104 extending in the axial direction is provided in the mounting post 103, the rear cover 300 can be mounted at the rear end opening 102 through the second mounting hole 104, and the optical assembly 200 can be mounted at the front end opening 101 through the second mounting hole 104.
In order to facilitate the formation of the second mounting hole 104 during the aluminum extrusion process, in this embodiment, a notch 105 is formed on a side wall of the mounting post 103 facing the inside of the lamp body 100, and the notch 105 extends in the axial direction and is communicated with the second mounting hole 104.
The lamp body 100 is provided with a through hole 106 near the rear end opening 102, and the through hole 106 is used for mounting the connecting rod 500 (see fig. 2).
Example four
Referring to fig. 7 and 8, fig. 7 is a block diagram of an embodiment of an optical assembly of the present invention, and fig. 8 is a cross-sectional view of an embodiment of an optical assembly of the present invention. The optical assembly 200 includes a light source member 201, a lens 202, a reflective cup 203, and a front ring 204, and the light source member 201 is fixedly mounted on a heat dissipation portion 401 through a light source fixing plate 205. The light source 201 is embedded in the middle of the light source fixing plate 205, the light source fixing plate 205 is provided with a second mounting hole 2050 corresponding to the first mounting hole 406 (see fig. 4), and a first fastener (such as a screw) passes through the second mounting hole 2050 and the first mounting hole 406 to connect the light source fixing plate 205 with the heat dissipation portion 401, so that the light source 201 is tightly attached to the lamp heat dissipation structure 400, heat generated after the light source 201 is electrified can be quickly dissipated through the lamp heat dissipation structure 400, and the heat dissipation effect of the lamp is improved.
The lens 202 is arranged close to the light source 201, and the reflecting cup 203 is sleeved outside the lens 202. An annular projection 2020 is arranged on the outer peripheral wall of the light-emitting surface of the lens 202, the upper end surface of the annular projection 2020 abuts against the lower end surface of the reflective cup 203, and the lower end surface of the annular projection 2020 abuts against the upper end surface of the front ring 204, namely, the lens 202 is clamped between the reflective cup 203 and the front ring 204.
The front ring 204 is provided with a second through hole 2040, the reflective cup 203 is provided with a semi-cylindrical limiting part 2030, and the limiting part 2030 is located above the second through hole 2040. The second through hole 2040 is disposed opposite to the second mounting hole 104 (see fig. 6), the limiting portion 2030 is disposed opposite to the mounting post 103, and an opening of the limiting portion 2030 is opposite to the notch 105. A second fastener (e.g., a screw) mounts the front ring 204 at the front opening 101 of the lamp body 100 through the second through hole 2040 and the second mounting hole 104. The mounting post 103 can limit the circumferential movement of the limiting portion 2030 in the horizontal direction, thereby preventing the deflection of the reflective cup 203 and improving the light output stability.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. A lamp heat dissipation structure, comprising:
the heat dissipation part comprises a heat dissipation part and an attaching part, wherein the attaching part extends from the periphery of the heat dissipation part to the direction vertical to the heat dissipation part, and an arc-shaped first transition part is arranged between the heat dissipation part and the attaching part;
the surface of the heat dissipation part is provided with a plurality of through holes;
the circumference evenly distributed of laminating portion has many recesses, the recess certainly the surface of laminating portion is inside sunken, the recess extends along axial direction, the recess extends to the heat dissipation portion and runs through the heat dissipation portion.
2. The lamp heat dissipation structure of claim 1, wherein:
the through hole comprises a plurality of heat dissipation holes and a plurality of first mounting holes, and the size of each heat dissipation hole is larger than that of each first mounting hole.
3. The lamp heat dissipation structure of claim 2, wherein:
the two ends of the heat dissipation holes are arc-shaped.
4. The lamp heat dissipation structure of claim 3, wherein:
the grooves are four, and two heat dissipation holes are formed between every two adjacent grooves.
5. The lamp heat dissipation structure of claim 1, wherein:
the groove and the heat dissipation part, the joint part and the first transition part are provided with arc-shaped second transition parts.
6. The lamp heat dissipation structure of claim 1, wherein:
the heat dissipation part and the bonding part are formed by integrally forming a 1-series aluminum plate.
7. A light fixture, comprising:
the lamp body, the optical assembly, the power supply part, the rear cover and the lamp heat dissipation structure of any one of claims 1 to 6;
the lamp body is of a hollow cylindrical structure, a plurality of mounting columns are uniformly arranged on the inner wall of the lamp body in the circumferential direction, and second mounting holes extending along the axial direction are formed in the mounting columns;
the optical assembly is arranged at the front end opening of the lamp body, and the rear cover is arranged at the rear end opening of the lamp body;
the lamp heat dissipation structure is close to the optical assembly and arranged in the lamp body, the lamp heat dissipation structure is in interference fit with the inner wall of the lamp body through the attaching portion, and the mounting columns correspond to the grooves one to one.
8. The luminaire of claim 7, wherein:
the optical assembly comprises a light source part, a lens, a reflecting cup and a front ring, wherein the light source part is fixedly arranged on the heat dissipation part through a light source fixing plate, the lens is arranged in a manner of being tightly attached to the light source part, and the lens is clamped between the reflecting cup and the front ring.
9. The luminaire of claim 8, wherein:
the front ring is provided with a second through hole, the second through hole is opposite to the second mounting hole, and a second fastener is used for mounting the front ring at the opening at the front end of the lamp body through the second through hole and the second mounting hole.
10. The luminaire of claim 9, wherein:
the light reflecting cup is provided with a limiting part, and the limiting part is arranged right opposite to the mounting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123341378.2U CN216431662U (en) | 2021-12-27 | 2021-12-27 | Lamp heat dissipation structure and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123341378.2U CN216431662U (en) | 2021-12-27 | 2021-12-27 | Lamp heat dissipation structure and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216431662U true CN216431662U (en) | 2022-05-03 |
Family
ID=81319206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123341378.2U Active CN216431662U (en) | 2021-12-27 | 2021-12-27 | Lamp heat dissipation structure and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216431662U (en) |
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2021
- 2021-12-27 CN CN202123341378.2U patent/CN216431662U/en active Active
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