Graphene heat-radiating LED street lamp modulator tube

A technology of LED street lamps and graphene, applied in lighting and heating equipment, cooling/heating devices of lighting devices, and damage prevention measures of lighting devices, etc., can solve the problem of affecting the service life of a single COB light source, uneven heat dissipation of radiators, Problems such as local heat dissipation are difficult to achieve good thermal stability, thermal conductivity, low deformation, and low thermal resistance

Active Publication Date: 2018-11-02
明朔(北京)电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small space in the lamp housing, it is relatively difficult to dissipate heat. However, the company's newer products use multiple COB light sources. If the heat dissipation of the entire radiator is uneven, local heat dissipation will affect the service life of a single COB light source, and then affect the entire lighting. effect

Method used

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  • Graphene heat-radiating LED street lamp modulator tube
  • Graphene heat-radiating LED street lamp modulator tube
  • Graphene heat-radiating LED street lamp modulator tube

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Add 12g of polyethylene wax and 15ml of sodium lauryl sulfate into 200ml of water, the concentration of sodium lauryl sulfate is 6mmol / l, heat to 75°C-80°C, then stir in a high-speed shear mixer for 8 minutes, To obtain the oil-water mixture, the obtained oil-water mixture is adopted a commercially available ultrasonic vibrating machine, such as the ultrasonic vibrating machine of Shanghai Shengyi Ultrasonic Instrument Co., Ltd. model FS-250N, and vibrates for 15 minutes to carry out ultrasonic emulsification; polyethylene wax Mix with polylactic acid at a mass ratio of 1:5. Before mixing, the polylactic acid is configured into an aqueous solution, wherein the mass percentage of polylactic acid in the polylactic acid aqueous solution is 8%. Put the mixed solution in an ice-water bath, and add polyethylene glycol octyl 0.8 g of phenyl ether was sonicated for 20 minutes to prepare a matrix material. Select 8g of matrix material and use a commercially available electrospin...

Embodiment 2

[0069]Using the method of Example 1, the difference between Example 2 and Example 1 is that polyethylene wax and polylactic acid are mixed according to the mass ratio of 1:10; while spinning, slowly add 0.1g fumed silica particles, 0.1g Carbon nanotubes, 0.6g graphene particles, 0.4g copper powder, 0.8g alumina.

[0070] The image J software was used to measure 100 random electrospun fibers of reversible energy storage materials, and the average fiber diameter was calculated. One-way analysis of variance and Tukey's test were carried out on the average fiber diameter, and p<0.05 was generally considered to be statistically different, and the measured average fiber diameter was 442nm.

Embodiment 3

[0072] Using the method of Example 1, the difference between Example 3 and Example 1 is that 0.1g fumed silica particles, 0.1g carbon nanotubes, 0.6g graphene particles, 0.4g copper powder are slowly added while spinning , 0.8g alumina.

[0073] The image J software was used to measure 100 random electrospun fibers of reversible energy storage materials, and the average fiber diameter was calculated. One-way analysis of variance and Tukey's test were carried out on the average fiber diameter, and p<0.05 was generally considered to be statistically different, and the measured average fiber diameter was 440nm.

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PUM

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Abstract

The invention provides a graphene heat-radiating LED street lamp modulator tube. The graphene heat-radiating LED street lamp modulator tube comprises an LED light source, a heat-conducting temperatureequalization plate and a heat radiator; the heat-conducting temperature equalization plate is located between the LED light source and the heat radiator; and the heat-conducting temperature equalization plate comprises a packing seal and a reversible energy-storage material located in the packing seal. The LED street lamp modulator tube comprises the novel heat-conducting temperature equalizationplate, aiming at the situation that a COB light source has the increasingly high heat radiating requirement in the increasingly small closed space, the improved heat-conducting temperature equalization plate has the better heat storage and heat-conducting effects, thus the temperature of the whole LED street lamp modulator tube is maintained to be uniform, and the service life of the single COB light source is not affected by the excessively high local temperature.

Description

technical field [0001] The invention belongs to the technical field of LED lighting, and in particular relates to a graphene heat dissipation LED street lamp lamp tube. Background technique [0002] Phase change materials, also known as latent heat energy storage materials, store or release heat energy by using the property of absorbing or releasing a large amount of heat when a substance undergoes a phase change (that is, phase change enthalpy), and then adjust and control the working source or the ambient temperature around the material . Latent heat storage, which uses phase change materials to absorb or release heat during the phase change process to store or release energy, is the most effective way of energy storage. It has the characteristics of high energy storage density and near-isothermal operation, and is widely used in solar energy utilization and industry. Waste heat recovery, electronic heat dissipation, medical, textile and aerospace fields have been favored...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V29/87F21V15/01F21W131/103F21Y115/10
CPCF21V15/01F21V29/87F21W2131/103F21Y2115/10
Inventor 陈威江维
Owner 明朔(北京)电子科技有限公司
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