Seven test project LED lamps

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1, high temperature and pressure and impact test:

For objects: LED lamps (of lighting products including LED Driver)

Reference Standard: Industry Experience


Test Methods:

A, 5 LED lamps will be placed in a room temperature of 60 ℃ room;

B, the LED lamps by the regulator input voltage adjusted to 1.1 times the maximum rated input voltage;

C, power, lighting 24H, lamps and observe whether there is damage, the material thermal deformation and other anomalies;

D, after the lighting test, relay control fixtures in this environment impact test, test set: lighting 20s, lights 20s, 100 cycles.

Testing requirements:
A, lamps after a high temperature and pressure test, can not occur surface stripping, discoloration, cracking, material deformation and other anomalies;

B, at the after impact test fixture, electrical anomalies can not occur leakage of not lighting and the like.

2, low pressure and low temperature impact test:

For objects: LED lamps (of lighting products including LED Driver)

Reference Standard: Industry Experience

Test Methods:

A, 5 LED lamps will be placed in an environment of -15 ℃;

B, the LED lamps by the regulator input voltage adjusted to a minimum of 0.9 times the rated input voltage;

C, power, lighting 24H, lamps and observe whether there is damage, the material thermal deformation and other anomalies;

D, after the lighting test, relay control fixtures in this environment impact test, test set: lighting 20s, lights 20s, 100 cycles.

Testing requirements:

A, low-temperature low-pressure lamps after testing after stripping the surface can not occur, discoloration, cracking, material deformation and other anomalies;

B, at the after impact test fixture, electrical anomalies can not occur leakage of not lighting and the like.

3, ambient temperature and pressure impact test:

For objects: LED lamps (of lighting products including LED Driver)

Reference Standard: Industry Experience

Test Methods:

A, 5 LED lamps will be placed at a room temperature of 25 ℃ environment;

B, according to the rated input voltage LED lamps powered lighting;

C, relay control fixtures impact test at normal temperature and pressure, the test set: lighting 30s, lights 30s, circulation 10,000.

Testing requirements:

After lighting the impact of temperature and pressure testing, leakage can occur not lighting and other electrical anomalies.

4, temperature cycle:

For objects: LED lamps (of lighting products including LED Driver)

Reference Standard: Industry Experience

Test Methods:
A, 5 LED lamps will be placed in a test chamber, the test chamber temperature can be adjusted rate of temperature change;

B, according to the rated input voltage LED lamps powered lighting;

C, temperature range test box set from -10 ℃ to 50 ℃, temperature shift rate: more than 1 ℃ / min, but less than 5 ℃ / min;

D, high and low temperature test box in each holding 0.5H, 8 cycles.

Testing requirements:

Lamps After a temperature cycle test, the occurrence of leakage can not not lighting and other electrical anomalies.

5, constant heat test:

For objects: LED lamps (of lighting products including LED Driver)

Reference Standard: Industry Experience

Test Methods:

A, 5 LED lamps will be placed in a climatic chamber, temperature and humidity box is set to 95% relative humidity and a temperature of 45 ℃;

B, according to the rated input voltage LED lamps powered lighting 48H;

C, samples were removed after the dry surface drops, placed under normal atmospheric pressure and room temperature recovery after inspection 2H.

Testing requirements:

A, look no rust, cracks or other mechanical damage;

B, electric lamps not abnormal leakage occurs not lighting and the like.

6, vibration test:

For objects: LED lamps (of lighting products including LED Driver)

Reference Standard: Industry Experience

Test Methods:

A, the 5 samples packaged LED lamps placed on the vibration test stand;

B, the vibration tester vibration velocity is set to 300 rev / min, the amplitude is set to 2.54 cm, and a vibration analyzer;

C, the lamp according to the above method for testing 30 minutes in three directions up and down, left and right, front and rear, respectively.

Testing requirements:

After a vibration test fixtures, parts fall off can not occur, structural damage, not lighting and other anomalies.

7, life test:

For objects: LED lamps (of lighting products including LED Driver)

Reference Standard: Industry Experience

Test Methods:

A, the 5 LED lamps at room temperature 25 ℃, according to the rated input test initial luminous flux, power, color temperature and other parameters;

B, after the initial test is completed, the samples were placed in a room temperature environment 25 ℃, according to the rated input voltage power lighting;

C, the first three months, every 10 days, and the samples were subjected to a same initial test environment, the same test conditions, the test of the luminous flux, power, color temperature recorded and compared with the initial parameter;

After D, tests to three months, then adjust the test parameters of the test interval is once a month, and the initial value of the recorded data and contrast;

Testing requirements:

A, in the life of the lamp test, when 70% of the luminous flux decay time of its initial luminous flux, for the life of the sample by the average of all the samples life calculated to obtain the average life expectancy of the LED lamps;

B, LED lighting is not bright phenomenon occurs during the test sample, then its absolute life time.

LED lighting bulbs classified Brief

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In accordance with the power to divide, LED bulbs can be divided into: low-power (mainly for the production of 5mm LED) and high-power (mainly 1W, 3W, even 5WLED production). Meanwhile, the market, there are also super power (for example, 50W of LED lighting), but this type of light bulb little use, so the market will not.


Among them, low-power LED lamps, bulb earliest design and production of LED bulbs have large-scale use, but the quality is good and bad mixed. The high-power LED spotlights, bulb to the nearest 2--3 years before large-scale use and promotion, in general, than many low-power LED bulb stable; with the decline in the price of high-power LED, high power LED bulbs will become the mainstream market.

In accordance with the shape of the LED lamp bulb of view, LED lamp bulbs are generally divided into three categories, spherical light bulbs and pointed bulbs, lamp cup-shaped bulb.


Spherical bulb


1. The single-sided light, the lower part of the plastic case or aluminum (spherical curvature of some small, looks like an inverted trapezoid);


+ 2. The annular top emission, commonly known as corn bubble, because of the small yellow dot structure shape wanted corn named;


3. trigeminal shape, can be considered light way corn bubble, but more scientific than corn bubble structure, so the more popular.

Pointed bulb

1. The single-sided light emitting (with almost spherical, is just the tip of the lens +);

2. trigeminal modeling (ibid.);

3. Chrome three surface emission, this very upscale, luminous efficiency is also good, but not top of the emission point;

4. Candle, Candle is just to add a tail, basically the same as with Candle;


Cup-shaped light bulb

Basically old-fashioned products, with spotlights Cup is like a lot of limitations, it has been nearly eliminated.