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Flashlight
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A flashlight and battery technology, which is applied in the field of lighting, can solve the problems of not being practical enough, poor reliability, and reduced service life, and achieve the effects of reasonable structure, improved service life, and good reliability
Pending Publication Date: 2017-05-31
NINGBO KOMAES SOLAR TECH
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Abstract
Description
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Problems solved by technology
[0004] Due to structural reasons, the above-mentioned flashlight has poor reliability in use and is not practical enough, so it cannot meet the needs of users. There are heat sinks in the flashlight, which are generally made of copper elements with good thermal conductivity. sheet, but the existing copper heat conduction sheet will sacrifice the strength of the copper alloy while improving the thermal conductivity, resulting in a reduced service life
Method used
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Embodiment 1
[0056] The composition of the raw materials for configuring the heat sink is: Sn1%, Ni2%, Si0.1%, Zn0.2%, Mn0.04%, Bi0.2%, Cr0.15%, Sc0.04%, and the balance is Cu; After melting the raw materials, carry out rough refining, refining, cooling, and forming ingots; after heating the ingots to 600°C, apply 1*10 8 N / m 2 Keep the pressure for 20 minutes, and cool it down to room temperature naturally; the copper ingots are graded and solid-solution aged, first at 480°C, heat preservation for 1.5h, and brine cooling; then at 300°C, heat preservation for 2h, water cooling; finally at 210°C ℃ temperature, keep warm for 5h, and cool naturally; process copper ingots into heat sinks.
Embodiment 2
[0058] The raw material composition of the heat sink is: Sn2%, Ni1.3%, Si0.15%, Zn0.3%, Mn0.03%, Bi0.1%, Cr0.2%, Sc0.04%, Yu The amount is Cu; after the raw material is melted, rough smelt, refine, cool, and form an ingot; after heating the ingot to 550°C, apply 1.5*10 8 N / m 2 Keep the pressure for 30 minutes, and cool down to room temperature naturally; the copper ingots are graded and solid-solution aged, first at a temperature of 4900°C, heat preservation for 2 hours, and brine cooling; then at a temperature of 270°C, heat preservation for 3 hours, water cooling; finally at 200°C Temperature, keep warm for 3 hours, and cool naturally; process copper ingots into heat sinks.
Embodiment 3
[0060] The raw material composition of the heat sink is as follows: Sn1.5%, Ni1.5%, Si0.1%, Zn0.3%, Mn0.04%, Bi0.1%, Cr0.25%, Sc0.01% , the balance is Cu; after melting the raw materials, carry out rough smelting, refining, cooling, and forming ingots; after heating the ingots to 600°C, apply 1.3*10 8 N / m 2 Keep the pressure for 26 minutes, and cool to room temperature naturally; the copper ingots are graded and solid-solution aged, first at 495°C, heat preservation for 1.8h, and brine cooling; then at 260°C, heat preservation for 2.4h, water cooling; finally in At 200°C, keep warm for 5 hours and cool naturally; process copper ingots into heat sinks.
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Abstract
The invention relates to a flashlight which comprises a main body housing, an inner sleeve, a rear cover, a connecting base and a front cover, wherein the front cover is fixedly arranged on the connecting base; a light-emitting assembly and a light cup are arranged on the front cover; the light-emitting assembly is connected with a radiating sheet and is electrically connected with a PCB board; the light cup is arranged on the light-emitting assembly; the radiating sheet is made of a copperalloy; and the copperalloy consists of the following components in percentage by mass: 1-2% of Sn, 1-2% of Ni, 0.1-0.2% of Si, 0.2-0.5% of Zn, 0.02-0.04% of Mn, 0.1-0.2% of Bi, 0.15-0.3% of Cr, 0.01-0.04% of Sc and the balance Cu.
Description
technical field [0001] The invention belongs to the technical field of lighting and relates to a flashlight. Background technique [0002] The flashlight is a commonly used lighting tool, which is very convenient and reliable to use, so it is widely used in various fields. [0003] For example, a flashlight disclosed in the patent document with application number 201310647818.8 includes a cylinder body, a housing, a light source and a front optical device arranged in the head of the flashlight, wherein the head of the flashlight can move relative to the light source, and the surface of the flashlight is also printed There is product advertisement information, and a conductive bracket is fixed in the cylinder to separate the cylinder into a light source cavity and a battery cavity, and the conductive bracket is electrically connected to the cylinder. The drive circuit board is fixed on the conductive support, and the tail cap is screwed to the end of the barrel close to the ...
Claims
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Application Information
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