CN204086505U - A kind of LED lamp intelligence aging testing system - Google Patents

Abstract

The utility model discloses an LED lamp performance tester to detect the performance and service life of the LED lamp through the LED lamp system. It adopts the current acceleration test method and the three-parameter model to accelerate the aging speed of LED lamps, so that the test process can be completed efficiently and quickly, and uses the fuzzy comprehensive evaluation method in fuzzy mathematics to evaluate the performance of LED lamps more comprehensively and accurately. In addition, this utility model also studies the optical system, driving power performance and heat dissipation design, etc., and determines the internal relationship between them so as to better evaluate the LED lamps. Finally, in the design and production of the instrument, we also integrated an intelligent mobile platform, so that the work can work without manual control, greatly improving its practicability and realizing machine substitution.

Description

An intelligent aging test system for LED lamps

technical field

The utility model relates to a light-emitting diode (LED) lamp, in particular to an intelligent aging test system for an LED lamp which is separated from manual work.

Background technique

In recent years, due to the rapid development of LED technology, the main performance indicators have been greatly improved, but in the application process, there are several main technical and cost problems, such as the energy efficiency and reliability of LED lighting lamps are not high, and some products have a long life. Short, thus affecting the user's efficiency. The utility model uses a self-designed LED lamp performance tester to detect the performance and service life of the LED lamp through the LED lamp system. The traditional LED lamp aging test is just to put the lamp on the aging rack, connect the corresponding power supply according to the input voltage of the product, and ensure that the LED lamp works at full power during the aging process after the LED lamp is lit. Conduct power-on and power-off tests on LED lamps for no less than 5 times within 12 hours. sound and other adverse phenomena. This method takes a long time, has a low degree of intelligence, lacks scientificity, and cannot fully test the performance of lamps, resulting in large errors in judging the life of lamps.

Contents of the invention

The technical problem to be solved by the utility model is to provide a mobile platform integrated with intelligence, which can be separated from the LED lamp aging test system under manual control, greatly improve its practicability, and realize "machine substitution".

The main control chip in the console is Arm9 series. This chip has excellent real-time performance, superior power efficiency, advanced innovative peripherals, maximum integration and easy development. The entire product series has high compatibility of peripherals and software, which can be used for The test system provides maximum activity. Using UCOS-II specially designed for computer embedded applications as the operating system, the UCOC-II operating system has the characteristics of high execution efficiency, small footprint, excellent real-time performance and strong scalability.

The technical scheme of the utility model is: adopting the current accelerated test method and the three-parameter model to accelerate the aging speed of the LED lamp, so that the test process can be completed efficiently and quickly. And use the fuzzy comprehensive evaluation method in fuzzy mathematics to evaluate the performance of LED lamps more comprehensively and accurately. In order to better evaluate the LED lamps.

According to the LED intelligent aging test equipment provided by the utility model, the test console is a computer with UCOS-II as the operating system.

According to the LED intelligent aging test equipment provided by the utility model, the computer of the UCOS-II as an operating system includes a keyboard, a display screen and a mouse.

According to the LED intelligent aging test equipment provided by the utility model, the test system includes an indicator light, which is electrically connected to the test console and corresponds to the LED lamp.

According to the LED intelligent aging test equipment provided by the utility model, a leakage protection switch is connected to the wire connecting the LED lamp and the AC power supply of the test system; a power meter is arranged between the leakage protection switch and the power supply.

The intelligent aging test equipment can realize overload, over-current, over-voltage and short-circuit protection.

Description of drawings

Fig. 1 is a structural schematic diagram of an intelligent aging test system for LED lamps of the present invention;

Fig. 2 is the workflow diagram of test system shown in Fig. 1;

FIG. 3 is a schematic diagram of the circuit structure of the test system shown in FIG. 1 .

Detailed ways

Example 1:

As shown in Figure 1, the lamp enters six steps of the aging test from the lamp entrance (1), which are temperature rise test (2), switching power test (3), luminescence maintenance characteristic test (4), and aging time detection (5). ), the electrical performance parameter test (6) and the light performance parameter test (7), and then the winning product after passing the test of six links leaves the test system through the lamp outlet (8), and there is also a WIFI wireless communication module (9). To transmit the test information of the lamps in the whole process to the console (10), the main functions of the console (10) are database storage, remote monitoring and data analysis, and finally display the data through the display screen (11).

As shown in Figure 1, the six stages of the aging test are six test boxes separated by 50cm one by one, and the middle is connected by a conveyor belt with a length of 50cm and a width of 40cm. The bottom of the box falls into the corresponding recycling bin.

As shown in Figure 1, after the temperature rise test of the first link and no abnormal lamps will enter the switching power test of the second link along with the conveyor belt, and continue in turn until the light performance parameter test of the last link is passed, the LED lamps will be It will continue to leave the test system with the conveyor belt through the lamp outlet (8).

The test console is a computer or an industrial computer, including a keyboard, a display screen and a mouse. The test system includes an indicator light, which is electrically connected to the test console and corresponds to the LED lamp. When there is an abnormality during the lamp test, the indicator light flashes red, and the light is stable and green under normal conditions.

Example 2:

The utility model adopts a conveyor belt to connect each link of the test, and integrates an intelligent mobile platform, so that the test system can be completely separated from human manual operation, realizes "machine substitution", and greatly improves its practicability.

The utility model is provided with a series of test links, and the internal core control system of each test link can record and transmit high-precision data, which improves the accuracy of the test.

For the temperature rise test, the test requires the selection of the switching power supply adapter and the power transformer under different environmental conditions with an ambient temperature of 5°C to 40°C every 5°C, and measure its work. The circuit is the temperature rise test circuit in Figure 3.

Switching power test refers to testing the performance of the lamp by turning on and off the switch continuously. Once the switch is turned on, there will be a current pulse, so that the power on and off will have an impact on the service life of the lamp. The circuit is the switch test circuit in Figure 3.

The luminescence maintenance characteristic test refers to making the LED lamps continue to emit light and recording the luminous characteristics of the lamps. The circuit is the product classification circuit in Figure 3.

Aging time detection refers to the detailed detection and recording of the aging time of LED lamps. The circuit is the real-time clock circuit in Figure 3.

The electrical performance parameter test refers to the detection of parameters such as voltage, current and resistance when the LED lamp is working. The circuit is the LED electrical comprehensive parameter test circuit in Figure 3.

The light performance parameter test is to test the color temperature, light effect, brightness, chromaticity, illuminance, luminous flux and light decay of LED lamps. The circuit is the comprehensive parameter test circuit of LED light in Figure 3.

The console of the utility model carries out database storage, remote monitoring and data analysis inside, and is the core part of the whole test system.

The utility model adopts WIFI wireless communication to transmit information, which has the advantages of high transmission speed, long effective distance, high equipment compatibility, etc., making information transmission more convenient.

Claims (7)

1. a LED lamp intelligence aging testing system, it is characterized in that, comprise controlled AC power supplies and LED lamp entrance (1), light fixture enters six links of burn-in test thus, be respectively temperature rise test (2), switch electric test (3), luminous maintenance characteristic test (4), digestion time detects (5), unit for electrical property parameters test (6) and optical property parameter testing (7), then test macro is left by the winning product after the test of six links by light fixture outlet (8), in addition WIFI wireless communication module (9) is also had, be used for transmitting the detecting information of light fixture in whole flow process to control desk (10), control desk (10) Main Function is database purchase, remote monitoring and data analysis, finally data are shown by display screen (11).

2. a kind of LED lamp intelligence aging testing system according to claim 1, it is characterized in that, six links of burn-in test are one by one by six test boxs of 50cm of being separated by, and centre is connected by travelling belt.

3. a kind of LED lamp intelligence aging testing system according to claim 1, it is characterized in that, described test console is the computing machine of UCOS-II as operating system.

4. a kind of LED lamp intelligence aging testing system according to claim 3, it is characterized in that, described UCOS-II comprises keyboard as the computing machine of operating system, display screen and mouse.

5. a kind of LED lamp intelligence aging testing system according to claim 1, it is characterized in that, this test macro comprises pilot lamp, and this pilot lamp is electrically connected with test console and corresponding with described LED lamp.

6. a kind of LED lamp intelligence aging testing system according to claim 4, it is characterized in that, database purchase, remote monitoring and data analysis can be carried out in control desk inside.

7. a kind of LED lamp intelligence aging testing system according to claim 1, it is characterized in that, wireless communication module adopts WIFI signal to carry out transmission information.