Heat dissipation structure of lamp
By designing air inlets, air outlets and cooling air ducts in LED lamps and setting up a cooling fan at the air inlet, the problem of low heat dissipation efficiency of existing LED lamps is solved, and rapid air convection and efficient heat dissipation are achieved.
Patent Information
- Application Number
- CN202421180463.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The heat dissipation efficiency of existing LED lamps is low, and hot air is difficult to discharge quickly, which affects the service life and efficiency of the lamps.
Design a cooling structure of a lamp, including a lamp shell, a radiator and a cooling fan, set up an air inlet, an air outlet and a cooling air duct, a cooling column and a cooling fin are arranged in the cooling air duct, and a cooling fan is installed at the air inlet to promote Air flows rapidly and accelerates convection.
Through the optimized heat dissipation structure, air can quickly flow through the air inlet, heat dissipation air duct and air outlet in turn, accelerating the convection of the air in the heat dissipation air duct and significantly improving the heat dissipation efficiency.
Smart Images
Figure CN222503775U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lighting, in particular to a heat dissipation structure of a lamp. Background Art
[0002] LED lamp beads have high luminous efficiency, low power and long service life and are widely used in various lamps. LED lamp beads generate a lot of heat due to their high brightness, and too high temperature will affect the light decay of LED lamp beads. Existing heat is usually dissipated by fans and radiators, but the hot wind tends to stay and linger inside the lamp, and the hot air is difficult to be quickly discharged from the outside of the lamp, affecting the heat dissipation efficiency of the lamp. Utility Model Content
[0003] The utility model aims to provide a heat dissipation structure of a lamp, wherein air can quickly flow through an air inlet, a heat dissipation duct and an air outlet in sequence, thereby accelerating air convection in the heat dissipation duct and improving heat dissipation efficiency.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a heat dissipation structure of a lamp, including a lamp housing, a radiator and a cooling fan, the lamp housing is provided with an air inlet and an air outlet, the radiator is arranged on the inner cavity of the lamp housing, the radiator is provided with two cooling fins and a plurality of cooling columns, a cooling air duct is formed between the two cooling fins, the air inlet end of the cooling air duct faces the air inlet, the air outlet end of the cooling air duct faces the air outlet, the cooling fan is arranged on the lamp housing, the air inlet side of the cooling fan faces the air inlet, the air outlet side of the cooling fan faces the air inlet end of the cooling air duct, and a plurality of cooling columns are arranged at intervals in the cooling air duct.
[0005] As a preferred solution of the utility model, the lamp housing includes a shell and a back cover, the air inlet and the air outlet are respectively arranged on both sides of the shell, and the air inlet is opposite to the air outlet, and the back cover is connected to the bottom of the shell.
[0006] As a preferred solution of the utility model, a plurality of the heat dissipation columns are arranged in a matrix, and the heat dissipation columns are cylindrical.
[0007] As a preferred solution of the utility model, reinforcing ribs are provided between adjacent heat dissipation columns arranged along the extending direction of the air inlet and the air outlet, and the reinforcing ribs are connected to the bottom of the heat dissipation columns.
[0008] As a preferred solution of the utility model, the radiator is provided with a plurality of heat dissipation ribs, the plurality of heat dissipation ribs are arranged around the outer circumference of the radiator, and the heat dissipation ribs are connected to the heat dissipation fins.
[0009] As a preferred solution of the present invention, the air inlet and the air outlet are both provided with a plurality of baffles.
[0010] Compared with the prior art, the heat dissipation structure of a lamp in the embodiment of the utility model has the following beneficial effects:
[0011] The utility model provides a heat dissipation duct corresponding to the air inlet and the air outlet, arranges a plurality of heat dissipation columns in the heat dissipation duct to improve the heat dissipation effect, and provides a heat dissipation fan that can force heat dissipation at the air inlet, so that the air is dissipated along the heat dissipation duct, and the air quickly flows through the air inlet, the heat dissipation duct and the air outlet in sequence, accelerates the convection of air in the heat dissipation duct, and improves the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.
[0013] Figure 1 It is a structural schematic diagram of the heat dissipation structure of the lamp provided by the utility model;
[0014] Figure 2 It is a cross-sectional view of the heat dissipation structure of the lamp provided by the utility model;
[0015] Figure 3 It is a structural schematic diagram of the radiator provided by the utility model;
[0016] In the figure, the lamp housing 1; the air inlet 11; the air outlet 12; the housing 13; the rear cover 14; the blocking bar 15; the radiator 2; the heat dissipation fins 21; the heat dissipation columns 22; the heat dissipation air duct 23; the reinforcing ribs 24; the heat dissipation ribs 25; and the heat dissipation fan 3. DETAILED DESCRIPTION
[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.
[0019] like Figures 1 to 3As shown, a heat dissipation structure of a lamp in a preferred embodiment of the utility model comprises a lamp housing 1, a radiator 2 and a cooling fan 3, the light source of the lamp is mounted on the radiator 2, the lamp housing 1 is provided with an air inlet 11 and an air outlet 12, the radiator 2 is arranged on the inner cavity of the lamp housing 1, two heat dissipation fins 21 and a plurality of heat dissipation columns 22 are arranged on the radiator 2, a heat dissipation duct 23 is formed between the two heat dissipation fins 21, the air inlet end of the heat dissipation duct 23 faces the air inlet 11, the air outlet end of the heat dissipation duct 23 faces the air outlet 12, the cooling fan 3 is arranged on the lamp housing 1, the air inlet side of the heat dissipation fan 3 faces the air inlet 11, the air outlet side of the heat dissipation fan 3 faces the air inlet end of the heat dissipation duct 23, and a plurality of heat dissipation columns 22 are arranged in the heat dissipation duct 23 at intervals.
[0020] The utility model provides a heat dissipation duct 23 corresponding to the air inlet 11 and the air outlet 12, and arranges a plurality of heat dissipation columns 22 in the heat dissipation duct 23 to improve the heat dissipation effect, and provides a heat dissipation fan 3 that can force heat dissipation at the air inlet 11, so that the air is dissipated along the heat dissipation duct 23, and the air quickly flows through the air inlet 11, the heat dissipation duct 23 and the air outlet 12 in sequence, thereby accelerating the convection of air in the heat dissipation duct 23 and improving the heat dissipation efficiency.
[0021] Exemplarily, the lamp housing 1 includes a shell 13 and a back cover 14, the air inlet 11 and the air outlet 12 are respectively arranged on both sides of the shell 13, and the air inlet 11 is opposite to the air outlet 12, and the back cover 14 is connected to the bottom of the shell 13, so that the heat dissipation air is restricted between the radiator 2 and the back cover 14, and the air can be dissipated along the heat dissipation column 22 in the heat dissipation duct 23 to ensure a good heat dissipation effect.
[0022] Exemplarily, a plurality of the heat dissipation columns 22 are arranged in a matrix, and the heat dissipation columns 22 are cylindrical, so as to increase the contact area between the air and the heat dissipation columns 22 and improve the heat dissipation efficiency.
[0023] Exemplarily, reinforcing ribs 24 are provided between adjacent heat dissipation columns 22 arranged along the extension direction of the air inlet 11 and the air outlet 12. The reinforcing ribs 24 are connected to the bottom of the heat dissipation columns 22, which not only improve the structural stability of the heat dissipation columns 22, but also play a role in guiding air, so that the air can flow quickly along the straight line between the air inlet 11 and the air outlet 12, thereby improving the heat dissipation speed.
[0024] Exemplarily, the radiator 2 is provided with a plurality of heat dissipation ribs 25, which are arranged around the outer periphery of the radiator 2 and connected to the heat dissipation fins 21. The provision of the heat dissipation ribs 25 can further improve the heat dissipation effect of the lamp.
[0025] Exemplarily, the air inlet 11 and the air outlet 12 are both provided with a plurality of baffles 15 to prevent foreign matter from entering the interior of the lamp housing 1 through the air inlet 11 and the air outlet 12, thereby improving the safety of the lamp.
[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.
Claims
1. A heat dissipation structure of a lamp, characterized in that: The invention comprises a lamp housing, a radiator and a cooling fan, wherein the lamp housing is provided with an air inlet and an air outlet, the radiator is arranged on the inner cavity of the lamp housing, the radiator is provided with two cooling fins and a plurality of cooling columns, a cooling air duct is formed between the two cooling fins, the air inlet end of the cooling air duct faces the air inlet, the air outlet end of the cooling air duct faces the air outlet, the cooling fan is arranged on the lamp housing, the air inlet side of the cooling fan faces the air inlet, the air outlet side of the cooling fan faces the air inlet end of the cooling air duct, and a plurality of cooling columns are arranged in the cooling air duct at intervals.
2. The heat dissipation structure of the lamp as claimed in claim 1, characterized in that: The lamp housing comprises a shell and a back cover, the air inlet and the air outlet are respectively arranged on both sides of the shell, and the air inlet is opposite to the air outlet, and the back cover is connected to the bottom of the shell.
3. The heat dissipation structure of the lamp as claimed in claim 1, characterized in that: A plurality of the heat dissipation columns are arranged in a matrix, and the heat dissipation columns are cylindrical.
4. The heat dissipation structure of the lamp as claimed in claim 3, characterized in that: Reinforcing ribs are provided between adjacent heat dissipation columns arranged along the extending direction of the air inlet and the air outlet, and the reinforcing ribs are connected to the bottom of the heat dissipation columns.
5. The heat dissipation structure of the lamp as claimed in claim 1, characterized in that: The radiator is provided with a plurality of radiating ribs, which are arranged around the outer periphery of the radiator and connected to the radiating fins.
6. The heat dissipation structure of the lamp as claimed in claim 1, characterized in that: The air inlet and the air outlet are both provided with a plurality of baffle bars.