阅读说明：本技术 一种防水耐高温线性led灯的制作工艺 (Manufacturing process of waterproof high-temperature-resistant linear LED lamp ) 是由 陆健 于 2021-01-07 设计创作，主要内容包括：本发明公开了一种防水耐高温线性LED灯的制作工艺,所述制作工艺包括以下步骤：称重质量比为1：1的脂环族异氰酸酯和多元醇树脂,充分搅拌均匀,得到混合料；手工滴注或机械滴注混合料于灯条表面,用针拨动胶液使置胶液铺满表面,并挑除残留气泡,得到的铺满混合料的灯条固化6-8小时。本发明制作的密封胶条不但能耐45℃的高温,而且防水效果较好,经过长时间使用测试,测试时经历168小时人工气候老化试验,灯条外围的密封胶体颜色不变黄、表面不出油、不粉化。(The invention discloses a manufacturing process of a waterproof high-temperature-resistant linear LED lamp, which comprises the following steps: the weight mass ratio is 1: 1, fully and uniformly stirring the alicyclic isocyanate and the polyol resin to obtain a mixture; and (3) manually or mechanically dripping the mixture on the surface of the light bar, stirring the glue solution by using a needle to enable the glue solution to be spread on the surface, removing residual bubbles, and curing the light bar with the spread mixture for 6-8 hours. The sealing rubber strip manufactured by the invention can resist the high temperature of 45 ℃, has good waterproof effect, and is tested by long-time use, and the color of the sealing colloid at the periphery of the lamp strip does not turn yellow, the surface of the lamp strip does not produce oil and does not pulverize after 168-hour artificial climate aging test.)

1. A manufacturing process of a waterproof high-temperature-resistant linear LED lamp is characterized by comprising the following steps: the manufacturing process comprises the following steps:

when the manual drip-injection process is adopted,

A. the weight mass ratio is 1: 1, fully and uniformly stirring the alicyclic isocyanate and the polyol resin to obtain a mixture;

B. cleaning dust and oil stains attached to the surface of the light bar;

C. controlling the ambient temperature at 25 ℃ and the relative humidity to be less than 70%, enabling the mixture to have a crystallization phenomenon at a low temperature, and heating the mixture to 40 ℃ to recover to a clear liquid;

D. c, removing bubbles of the mixture in the step C by vacuumizing;

E. d, manually dripping the mixture obtained in the step D on the surface of the light bar, stirring the glue solution by using a needle to enable the glue solution to be spread on the surface, and removing residual bubbles;

F. c, curing the light bar fully paved with the mixture obtained in the step E for 6-8 hours at room temperature, prolonging the curing time when the temperature is lower, and when the glue has wire drawing, putting the glue into an oven, keeping the temperature at 55-60 ℃, and baking for 3-4 hours;

adopts a mechanical dripping process

a. Cleaning the automatic glue dispenser by adopting an ethyl acetate solvent;

b. the weight mass ratio is 1: 1, fully and uniformly stirring the alicyclic isocyanate and the polyol resin to obtain a mixture;

c. cleaning dust and oil stains attached to the surface of the light bar;

d. cleaning a pipeline mixer of the automatic glue dripping machine and a pouring head of the automatic glue dripping machine by using ethyl acetate;

e. injecting the mixture into an automatic glue dispenser, and removing air bubbles in a pipeline mixer and a pouring head of the automatic glue dispenser;

f. dripping the mixture on the surface of the light bar by using an automatic glue dripping machine, stirring the glue solution by using a needle to enable the glue solution to be fully paved on the surface of the light bar, removing residual bubbles,

g. curing the light bar fully paved with the mixture obtained in the step f for 6-8 hours at room temperature, and prolonging the curing time when the temperature is lower; when the glue has the wire drawing, the glue is put into an oven and is baked for 3 to 4 hours at the temperature of 55 to 60 ℃.

2. The manufacturing process of the waterproof high-temperature-resistant linear LED lamp according to claim 1, characterized in that: the weight mass ratio is 1: 1, the proportioning error is within 2 percent, the viscosity value of the mixture obtained in the step A or the step b is 2200 +/-500 mPa.S and the density is 1.01 +/-0.05 g/cm at the ambient temperature of 25 DEG C³。

3. The manufacturing process of the waterproof high-temperature-resistant linear LED lamp according to claim 1, characterized in that: the solidified colloid is colorless and transparent, the surface is smooth and has no ripple, the water absorption is less than or equal to 0.2 percent, and the temperature resistant range is-40 to 80 ℃.

Technical Field

The invention belongs to the technical field of linear LED lamp manufacturing, and particularly relates to a manufacturing process of a waterproof high-temperature-resistant linear LED lamp.

Background

With the progress of the times and the rapid development of the automobile industry, an automobile 4S shop is an important place for automobile sales, and a middle east world exposition guided identification project accepted by the applicant needs to use a lamp with a specific LED effect according to the requirements of local environment and design.

The applicant organizes projects, engineering technicians, fully studies design requirements and field environment, and fully communicates with manufacturers. The relevant parameters were determined as follows: and (3) the color temperature of the lamp light: 3000K, operating voltage: 24V, luminance: 400lm/m, overall water resistance: IP 67.

As the product is used outdoors, and the temperature in the middle east is generally higher, and the highest temperature can reach 45 ℃, the heat resistance and the waterproof performance of the product need special attention in the product development process. In response to these requirements, applicants have conducted intensive discussions with the manufacturer to make numerous adjustments and try out various sealants. Finally, a high-temperature resistant (working temperature is minus 30 ℃ to 85 ℃) and full waterproof (waterproof grade IP67) linear LED lamp is developed to meet the design requirements of specific products. The applicant has now developed a series of light bar products of different illumination angles (15 to 60 degrees) and different lengths (from 280 to 1800mm) for different applications.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to overcome the defects and defects of the prior art, the PU crystal glue is selected as the sealing rubber strip of the light bar, the sealing rubber strip can resist the high temperature of 45 ℃, the waterproof effect is good, and after long-time use and test, the sealing rubber strip at the periphery of the light bar does not turn yellow, and the surface of the sealing rubber strip does not produce oil or chalk after 168-hour artificial climate aging test.

The technical scheme is as follows: in order to achieve the purpose, the technical scheme adopted by the invention is a manufacturing process of a waterproof high-temperature-resistant linear LED lamp, and the manufacturing process comprises the following steps:

when the manual drip-injection process is adopted,

A. the weight mass ratio is 1: 1, fully and uniformly stirring the alicyclic isocyanate and the polyol resin to obtain a mixture;

B. cleaning dust and oil stains attached to the surface of the light bar;

C. controlling the ambient temperature at 25 ℃ and the relative humidity to be less than 70%, enabling the mixture to have a crystallization phenomenon at a low temperature, and heating the mixture to 40 ℃ to recover to a clear liquid;

D. c, removing bubbles of the mixture in the step C by vacuumizing;

E. d, manually dripping the mixture obtained in the step D on the surface of the light bar, stirring the glue solution by using a needle to enable the glue solution to be spread on the surface, and removing residual bubbles;

F. and D, curing the light bar fully paved with the mixture obtained in the step E for 6-8 hours at room temperature, prolonging the curing time when the temperature is lower, and when the glue has drawn wires, putting the glue into an oven, keeping the temperature of 55-60 ℃, and baking for 3-4 hours.

Adopts a mechanical dripping process

a. Cleaning the automatic glue dispenser by adopting an ethyl acetate solvent;

b. the weight mass ratio is 1: 1, fully and uniformly stirring the alicyclic isocyanate and the polyol resin to obtain a mixture;

c. cleaning dust and oil stains attached to the surface of the light bar;

d. cleaning a pipeline mixer of the automatic glue dripping machine and a pouring head of the automatic glue dripping machine by using ethyl acetate;

e. injecting the mixture into an automatic glue dispenser, and removing air bubbles in a pipeline mixer and a pouring head of the automatic glue dispenser;

f. dripping the mixture on the surface of the light bar by using an automatic glue dripping machine, stirring the glue solution by using a needle to enable the glue solution to be fully paved on the surface of the light bar, removing residual bubbles,

g. curing the light bar fully paved with the mixture obtained in the step f for 6-8 hours at room temperature, and prolonging the curing time when the temperature is lower; when the glue has the wire drawing, the glue is put into an oven and is baked for 3 to 4 hours at the temperature of 55 to 60 ℃.

Further, the weight mass ratio is 1: 1, the proportioning error is within 2 percent, the viscosity value of the mixture obtained in the step A or the step b is 2200 +/-500 mPa.S and the density is 1.01 +/-0.05 g/cm at the ambient temperature of 25 DEG C³。

The solidified colloid is colorless and transparent, the surface is smooth and has no ripple, the water absorption is less than or equal to 0.2 percent, and the temperature resistant range is-40 to 80 ℃.

Has the advantages that: compared with the prior art, the invention has the beneficial effects that:

(1) the sealing rubber strip manufactured by the invention can resist high temperature of 45 ℃, has good waterproof effect, and is tested by long-time use, and the color of the sealing colloid at the periphery of the lamp strip does not turn yellow, the surface of the lamp strip does not produce oil and does not pulverize after 168-hour artificial climate aging test.

(2) The sealing rubber strip disclosed by the invention is high-temperature resistant and long in service life.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

A manufacturing process of a waterproof high-temperature-resistant linear LED lamp comprises the following steps:

when the manual drip-injection process is adopted,

A. the weight mass ratio is 1: 1, fully and uniformly stirring the alicyclic isocyanate and the polyol resin to obtain a mixture;

B. cleaning dust and oil stains attached to the surface of the light bar;

C. controlling the ambient temperature at 25 ℃ and the relative humidity to be less than 70%, enabling the mixture to have a crystallization phenomenon at a low temperature, and heating the mixture to 40 ℃ to recover to a clear liquid;

D. c, removing bubbles of the mixture in the step C by vacuumizing;

E. d, manually dripping the mixture obtained in the step D on the surface of the light bar, stirring the glue solution by using a needle to enable the glue solution to be spread on the surface, and removing residual bubbles;

F. and D, curing the light bar fully paved with the mixture obtained in the step E for 6-8 hours at room temperature, prolonging the curing time when the temperature is lower, and when the glue has drawn wires, putting the glue into an oven, keeping the temperature of 55-60 ℃, and baking for 3-4 hours.

Adopts a mechanical dripping process

a. Cleaning the automatic glue dispenser by adopting an ethyl acetate solvent;

b. the weight mass ratio is 1: 1, fully and uniformly stirring the alicyclic isocyanate and the polyol resin to obtain a mixture;

c. cleaning dust and oil stains attached to the surface of the light bar;

d. cleaning a pipeline mixer of the automatic glue dripping machine and a pouring head of the automatic glue dripping machine by using ethyl acetate;

e. injecting the mixture into an automatic glue dispenser, and removing air bubbles in a pipeline mixer and a pouring head of the automatic glue dispenser;

f. dripping the mixture on the surface of the light bar by using an automatic glue dripping machine, stirring the glue solution by using a needle to enable the glue solution to be fully paved on the surface of the light bar, removing residual bubbles,

g. curing the light bar fully paved with the mixture obtained in the step f for 6-8 hours at room temperature, and prolonging the curing time when the temperature is lower; when the glue has the wire drawing, the glue is put into an oven and is baked for 3 to 4 hours at the temperature of 55 to 60 ℃.

WeighingThe mass ratio is 1: 1, the proportioning error is within 2 percent, the viscosity value of the mixture obtained in the step A or the step b is 2200 +/-500 mPa.S and the density is 1.01 +/-0.05 g/cm at the ambient temperature of 25 DEG C³。

The solidified colloid is colorless and transparent, the surface is smooth and has no ripple, the water absorption is less than or equal to 0.2 percent, and the temperature resistant range is-40 to 80 ℃.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.