Radiator and lamp

Abstract

The radiator comprises a columnar main body and a spiral blade which spirally ascends around a central shaft of the columnar main body, the spiral blade is fixedly connected with the peripheral wall of the columnar main body, and the end face of the bottom end of the columnar main body is an installation face used for installing an LED light source assembly. The radiator is simple and novel in structure, the spiral blades can be machined and formed through a knurling technology with low technology implementation cost, the manufacturing cost of the radiator is reduced, and the market competitiveness is improved; the spiral blades enable air to form vortex among the fins, the contact area of the air and the spiral blades is increased, and the heat dissipation effect of the radiator is effectively improved. In addition, the radiator has the advantages of being small in size, light in weight, convenient to install and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lamps, in particular to a radiator and a lamp. Background Art

[0002] At present, the heat sinks of LED lamps on the market generally adopt aluminum alloy hot extrusion, aluminum alloy hot forging, aluminum alloy liquid die-casting, aluminum alloy plate riveting, aluminum alloy plate insert and other molding methods to form the required structural shape. The implementation of these molding methods requires a large implementation cost, so that the manufacturing cost of the heat sink remains high. Moreover, the heat sinks manufactured by these molding methods also have the defects of being large in size and having unsatisfactory heat dissipation effect. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a low-cost small radiator with good heat dissipation effect, and a lamp with the radiator.

[0004] In order to solve the above technical problems, the first technical solution adopted by the utility model is: a heat sink, comprising a columnar body and spiral blades spirally rising around the central axis of the columnar body, the spiral blades are fixedly connected to the peripheral wall of the columnar body, and the bottom end surface of the columnar body is a mounting surface for mounting an LED light source assembly.

[0005] In one embodiment, the mounting surface is perpendicular to the central axis of the columnar body.

[0006] In one embodiment, a material-reducing groove is provided on the top surface of the columnar body, a wiring hole is provided on the inner bottom surface of the material-reducing groove, and the wiring hole is connected to the mounting surface.

[0007] In one embodiment, the columnar body and the spiral blades are an integral structure formed by integral processing.

[0008] In one embodiment, the spiral blade is a subtractive structure formed by knurling.

[0009] In one embodiment, a plurality of convection grooves are provided on the spiral blade, and the convection grooves are arranged axially along the central axis of the columnar body.

[0010] In one embodiment, the convection groove is connected to the outer edge of the spiral blade to form a notch structure.

[0011] In one embodiment, the number of the convection grooves is multiple, and the multiple convection grooves are evenly distributed around the central axis of the columnar body.

[0012] In one embodiment, the number of the convection slots is four.

[0013] In order to solve the above technical problems, the second technical solution adopted by the present utility model is: the lamp includes an LED light source assembly and the above heat sink, and the LED light source assembly is arranged on the installation surface of the heat sink.

[0014] The beneficial effects of the utility model are: the structure of the radiator is simple and novel, the spiral blades can be processed and formed by a knurling process with low process implementation cost, which is conducive to reducing the manufacturing cost of the radiator and improving market competitiveness; the spiral blades make the air form vortices between the fins, increasing the contact area between the air and the spiral blades, and effectively improving the heat dissipation effect of the radiator. In addition, the radiator also has the advantages of small size, light weight, and easy installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the structure of a lamp according to Embodiment 1 of the present utility model;

[0017] Figure 2 It is a front view of the lamp of the first embodiment of the utility model;

[0018] Figure 3 This is a top view of the lamp according to the first embodiment of the present invention.

[0019] Description of Figure Numbers:

[0020] 1. LED light source components;

[0021] 2. Columnar body;

[0022] 3. Spiral blades;

[0023] 4. Material reduction slot;

[0024] 5. Cable routing holes;

[0025] 6. Convection trough. DETAILED DESCRIPTION

[0026] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0030] In addition, if the meaning of "and / or" appears in the full text is to include three parallel solutions, taking "and / or" as an example, it includes solutions, or solutions, or solutions that are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0031] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] Embodiment 1

[0033] Please refer to Figures 1 to 3 , Embodiment 1 of the present utility model is: a lamp, comprising an LED light source assembly 1 and a heat sink, wherein the LED light source assembly 1 is arranged on the heat sink, and the LED light source module comprises a lamp board and LED lamp beads arranged on the lamp board.

[0034] The heat sink includes a columnar body 2 and a spiral blade 3 spirally rising around the central axis of the columnar body 2, the spiral blade 3 spirally rising from the bottom of the columnar body 2 toward the top of the columnar body 2, and the spiral blade 3 is fixedly connected to the peripheral wall of the columnar body 2. Preferably, the columnar body 2 and the spiral blade 3 are an integral structure formed by integral processing. Further preferably, the spiral blade 3 is a subtractive structure formed by knurling. The bottom end surface of the columnar body 2 is a mounting surface for mounting an LED light source assembly 1, and the LED light source assembly 1 is arranged on the mounting surface of the heat sink. Specifically, the lamp panel is fixedly connected to the mounting surface.

[0035] The mounting surface is a plane, and the mounting surface is perpendicular to the central axis of the columnar body 2 .

[0036] In order to reduce the manufacturing consumables of the radiator and at the same time increase the heat dissipation area of ​​the radiator to a greater extent, in this embodiment, the top surface of the columnar body 2 is provided with a material reduction groove 4, and the inner bottom surface of the material reduction groove 4 is provided with a wiring hole 5. The wiring hole 5 is connected to the installation surface, and the external cable used to power the LED light source assembly 1 can pass through the wiring hole 5.

[0037] The spiral blade 3 is provided with a plurality of convection grooves 6 , and the convection grooves 6 are arranged axially along the central axis of the columnar body 2 . The presence of the convection grooves 6 can accelerate air convection, thereby further improving the heat dissipation efficiency of the radiator.

[0038] In this embodiment, the convection groove 6 is connected to the outer edge of the spiral blade 3 to form a notch structure. When the radiator is viewed from above, the notch structure looks more intuitive, such as Figure 3 shown.

[0039] Preferably, the number of the convection grooves 6 is multiple, and the multiple convection grooves 6 are evenly distributed around the central axis of the columnar body 2. In this embodiment, the number of the convection grooves 6 is four, and two adjacent convection grooves 6 are arranged 90° apart around the central axis of the columnar body 2.

[0040] The above are only optional embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A radiator, characterized in that: It comprises a columnar body and spiral blades spirally ascending around the central axis of the columnar body, the spiral blades are fixedly connected to the peripheral wall of the columnar body, and the bottom end surface of the columnar body is a mounting surface for mounting an LED light source assembly.

2. The heat sink according to claim 1, characterized in that: The mounting surface is perpendicular to the central axis of the columnar body.

3. The heat sink according to claim 1, characterized in that: The top surface of the columnar body is provided with a material-reducing groove, the inner bottom surface of the material-reducing groove is provided with a wiring hole, and the wiring hole is connected to the installation surface.

4. The heat sink according to claim 1, characterized in that: The columnar body and the spiral blades are an integrated structure formed by integral processing.

5. The heat sink according to claim 4, characterized in that: The spiral blade is a subtractive structure formed by knurling technology.

6. The heat sink according to claim 1, characterized in that: The spiral blade is provided with a plurality of convection grooves, and the convection grooves are arranged along the axial direction of the central axis of the columnar body.

7. The heat sink according to claim 6, characterized in that: The convection groove is connected to the outer edge of the spiral blade to form a notch structure.

8. The heat sink according to claim 6, characterized in that: The number of the convection grooves is multiple, and the multiple convection grooves are evenly distributed around the central axis of the columnar body.

9. The heat sink according to claim 8, characterized in that: The number of the convection slots is four.

10. A lamp, characterized in that: It comprises an LED light source assembly and the heat sink described in any one of claims 1 to 9, wherein the LED light source assembly is arranged on the mounting surface of the heat sink.

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