CN220693563U - High-power LED self-regulating radiating fin device - Google Patents

Abstract

The utility model discloses a high-power LED self-regulating radiating fin device which comprises radiating fins, wherein a plurality of heat sensors are embedded and connected above the radiating fins, a plurality of fans are uniformly arranged below the radiating fins, the inner walls of the fans are fixedly connected with rotating rods, and the bottom ends of the rotating rods are fixedly connected with motors. According to the high-power LED self-regulating radiating fin device, the temperature of the area is reduced rapidly through the cooperation among the radiating fins, the heat sensor, the fan, the rotating rod and the motor, the areas of the fins of the radiating device are always kept in the same temperature range, the reduction of radiating efficiency caused by heat transfer in the areas of the fins is avoided, on the other hand, when the LED does not run at full power, the temperature of the radiating fins is lower than a set threshold value, the auxiliary radiating fan is not started, the environment wind is utilized for natural cooling, energy sources can be saved to a certain extent, and resource waste is avoided.

Description

High-power LED self-regulating radiating fin device

Technical Field

The utility model relates to the technical field of radiating fin heat dissipation, in particular to a high-power LED self-regulating radiating fin device.

Background

LEDs have technical advantages including long life, fast response, potential high light efficiency, small volume, narrow spectrum, among which three points, potential high light efficiency, small volume, and narrow spectrum are most critical, which widens the application of LED lamps and distinguishes them from conventional light sources. However, because of the small size and high light efficiency, a big application obstacle of LEDs is heat dissipation, and in general, the heat dissipation transmission path can be described as: the LED device is electrified, different brightness and patterns are displayed according to the requirements, and generated heat passes through the lower substrate to the radiator, and heat dissipation is completed through heat convection between the radiator and air. Different use scenes can lead to inconsistent temperatures of different areas on the surface of the substrate, the traditional heat dissipation device is prepared by adding heat conduction silicone grease and the like between the substrate and the heat radiator, the heat is always neglected to be balanced, heat is finally taken away by means of the outer surfaces of the heat dissipation fins, and if the temperature distribution of the heat dissipation fins is seriously uneven, the heat dissipation efficiency of part of the fins (the parts with lower temperature) is greatly reduced.

Disclosure of Invention

The utility model aims to provide a high-power LED self-regulating radiating fin device, which solves the problems that the existing radiating device provided in the background art usually neglects the balance of heat transfer by adding heat conduction silicone grease and the like between a substrate and a radiator, and heat is finally taken away by means of the outer surface of a radiating fin, and if the temperature distribution of the radiating fin is seriously uneven, the radiating efficiency of part of the radiating fin (the part with lower temperature) is greatly reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-power LED self-regulating radiating fin device, includes radiating fin, radiating fin's top embedding is connected with a plurality of thermal sensors, radiating fin's below evenly is equipped with a plurality of fans, the inner wall rigid coupling of fan has the bull stick, the bottom rigid coupling of bull stick has the motor.

Preferably, the motor is a variable-frequency speed-regulating motor with adjustable rotating speed.

Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the high-power LED self-regulating radiating fin device has the following advantages:

through the cooperation between radiating fin, the heat sensor, the fan, bull stick and the motor, the heat sensor then detects radiating fin's surface temperature in real time, when radiating fin's the temperature in a certain region risees, this regional thermistor's resistance reduces, make the fan motor rotational speed in corresponding region accelerate, improve radiating fan's rotational speed, make this regional temperature reduce fast, this kind of mode makes radiating device's each regional in the same temperature range all the time, the radiating efficiency who leads to at fin self regional transmission has avoided heat reduces, on the other hand, when LED does not have full power operation, radiating fin's temperature is less than the threshold value of settlement, then auxiliary radiating fan does not start, utilize the natural cooling of ambient wind, can save the energy to a certain extent, avoid the wasting of resources.

Drawings

The above and other features, advantages, and aspects of embodiments of the present disclosure will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. The same or similar reference numbers will be used throughout the drawings to refer to the same or like elements. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of an external fan of the heat dissipation fin of fig. 1.

In the figure: 1. radiating fin 2, thermal sensor, 3, fan, 4, bull stick, 5, motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a high-power LED self-regulating radiating fin device, including radiating fin 1, radiating fin 1's top embedding is connected with a plurality of thermal sensor 2, thermal sensor 2 and motor 5's power control line all dock with external control module subassembly relatively, thermal sensor 2 is then with radiating fin 1's temperature feedback, a plurality of thermal sensors 2 can feed back respectively radiating fin 1's a plurality of positions, radiating fin 1's below evenly is equipped with a plurality of fans 3, fan 3's inner wall rigid coupling has bull stick 4, bull stick 4 links to each other with motor 5's output shaft is fixed, bull stick 4's bottom rigid coupling has motor 5, motor 5's casing accessible fixed connection frame is connected with external installation radiating fin 1 shells inner wall below, motor 5 is the adjustable variable frequency speed motor of rotational speed, can realize motor 5 output shaft rotational speed's regulation.

When the temperature of a certain area of the radiating fin rises above a threshold value, the auxiliary radiating fan of the corresponding area is started, the rotating speed is gradually increased along with the continuous rising of the temperature, so that the temperature of the radiating fin of the corresponding area is quickly reduced, different cooling wind speeds are output according to the temperatures of different areas by utilizing the temperature sensor arranged on the surface area of the radiating fin, the overall temperature distribution of the radiating fin is uniform, and the radiating efficiency of the overall radiator is improved.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

It should be further noted that, for convenience of description, only the portions related to the disclosure are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict; it should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units; it is noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be interpreted as "one or more" unless the context clearly indicates otherwise; the names of messages or information interacted between the various devices in the embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.

In the present utility model, the words "element", "component" and "material" are merely words for the skilled person to understand and realize the functions thereof, and are not limitations and protection of the component.

Standard parts or fiber yarns used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of each part, fiber yarn and cloth layer adopt conventional means such as mature bolts, rivets, welding, twisting, blending, needling compounding and hot melting compounding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and circuit connection adopts conventional connection modes in the prior art, so that the special-shaped parts are not described in detail in the specification, and the special-shaped parts are not described in detail in the prior art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a high-power LED self-regulating radiating fin device, includes radiating fin (1), its characterized in that: the heat dissipation fin is characterized in that a plurality of heat sensors (2) are embedded and connected above the heat dissipation fin (1), a plurality of fans (3) are uniformly arranged below the heat dissipation fin (1), a rotating rod (4) is fixedly connected to the inner wall of each fan (3), and a motor (5) is fixedly connected to the bottom end of each rotating rod (4).

2. The high-power LED self-regulating heat sink fin device as claimed in claim 1, wherein: the motor (5) is a variable-frequency speed-regulating motor with adjustable rotating speed.