CN211603499U

CN211603499U - LED life-span accelerated test device

Info

Publication number: CN211603499U
Application number: CN201922420077.5U
Authority: CN
Inventors: 彭淑荣; 萧泽鹏
Original assignee: Shenzhen Xin'an Standard Technology Co ltd
Current assignee: Shenzhen Xin'an Standard Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-29
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a LED service life accelerated testing device, belonging to the technical field of LED detection, comprising a base, wherein the top of the base is fixedly connected with a water tank, the top of the water tank is provided with a testing box, the middle position of the inner side wall of the testing box is fixedly connected with a heat insulation plate, the bottom of the inner side wall of the testing box and the top of the heat insulation plate are both provided with lamp brackets, the inside of the water tank is provided with a micro water pump, when the micro water pump operates, the water inside the water tank is pumped out and finally sprayed out from a spray head to the inside of the testing box through the conveying of a connecting pipe so as to simulate the influence of rainy day environment on LED when used outdoors, the whole surface of the testing device for testing the LED is improved, the heat insulation plate is made of asbestos, the testing heat insulation plate has good heat insulation effect, the influence of the top environment of the heat insulation, the testing efficiency is improved.

Description

LED life-span accelerated test device

Technical Field

The utility model relates to a LED detects technical field, especially relates to a LED life-span testing arrangement with higher speed.

Background

The LED is also called a light emitting diode, which is a commonly used light emitting device, emits light by energy released by recombination of electrons and holes, has a wide application in the field of illumination, can efficiently convert electric energy into light energy, and has a wide application in modern society, such as illumination, flat panel display, medical devices, and the like.

A method for testing accelerated aging and lifetime estimation of an LED lamp is disclosed in patent No. CN 104142481a, which performs multiple tests on an LED to further calculate the service life of the LED, and detects the quality of the LED.

The testing device has the following defects that 1, the testing method and the testing device can simulate LEDs under various environments, but part of LEDs are arranged outdoors when in use and can be wetted by rainwater in rainy days, and the testing device does not simulate the environment in rainy days, so that the testing of the LEDs is not comprehensive; 2. the testing device is a single box body, the internal space of the box body is single, simulation under one environment condition can be carried out, time consumption is long when actual testing is carried out on multiple batches of LEDs, efficiency is low, and therefore the LED service life acceleration testing device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LED life-span testing arrangement with higher speed aims at can making testing arrangement carry out rainy day environmental simulation, improves test range to through the structure of double-deck different environment, promote testing arrangement's efficiency of software testing.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of LED life-span testing arrangement with higher speed, the on-line screen storage device comprises a base, base top fixedly connected with water tank, the test box is installed at the water tank top, test box inside wall intermediate position fixedly connected with heat insulating board, the lighting fixture is all installed with the heat insulating board top to test box inside wall bottom, water tank internally mounted has miniature pump, the connecting pipe is installed to the heat insulating board bottom, connecting pipe bottom fixedly connected with shower nozzle and shower nozzle are a plurality of, the connecting pipe is kept away from test box one side and is connected with miniature pump drainage end, the electrothermal tube is installed at test box inside wall top.

Optionally, one side of the top of the water tank is fixedly connected with a water inlet pipe, and the bottom of the water inlet pipe extends into the water tank.

Optionally, the current input end of the micro water pump is electrically connected with an external power supply through a water pump switch, and the current input end of the electric heating tube is electrically connected with the external power supply through a circuit switch.

Optionally, the bottom of the inner side wall of the test box is provided with a plurality of drain holes, and the drain holes penetrate through the bottom of the test box and extend into the water tank.

The utility model has the advantages as follows:

the water tank at base top is used for storing the water, the water delivery end that the bottom of connecting pipe was fixed with shower nozzle and connecting pipe is connected with the drainage end that is located the inside miniature pump of water tank, in the actual test process, open miniature pump, the inside water of water tank is taken out and is pressurizeed during miniature pump operation, the water after the pressurization is finally spout to the inside of test box from shower nozzle department through the transport of connecting pipe, the await measuring LED to the test incasement portion sprays water, with the influence of rainy day environment to LED when simulating outdoor use, carry out the rainy day simulation through having increased miniature pump and shower nozzle, the comprehensiveness and the accuracy that testing arrangement tested LED have been improved, the test range has been improved.

The heat insulation board is fixed in the middle position inside the test box, the inside of the test box is divided into two different spaces through the heat insulation board, the lamp holder for installing and placing the LED is fixed at the bottom of the inner wall of the test box and the top of the heat insulation board, the bottom of the heat insulation board carries out water spraying test on the LED through the micro water pump and the spray nozzle, the electrothermal tube is installed at the top of the inner side wall of the test box, when the test box is opened, electric energy can be converted into heat energy to carry out heating treatment on the top space of the heat insulation board so as to test the use condition of the LED under the high-temperature environment, the heat insulation board is made of asbestos, the test box has good heat insulation effect, the influence of the high-temperature environment at the top of the heat insulation board on the space environment at the bottom of the heat insulation board can, the testing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of an accelerated LED lifetime testing apparatus according to an embodiment of the present invention;

fig. 2 is an external schematic structural diagram of an LED lifetime acceleration testing apparatus according to an embodiment of the present invention.

In the figure: 1. a base; 2. a water tank; 201. a water inlet pipe; 3. a test box; 301. a drain hole; 4. a heat insulation plate; 5. a lamp holder; 6. a micro water pump; 601. a water pump switch; 7. a connecting pipe; 701. a spray head; 8. an electric heating tube; 801. and (4) a circuit switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An LED lifetime accelerated testing apparatus according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, the embodiment of the utility model provides a pair of LED life-span test device with higher speed, the on-line screen storage device comprises a

base

1, 1 top fixedly connected with water tank 2 of base, test box 3 is installed at 2 tops of water tank, 3 inside wall intermediate position fixedly connected with heat insulating boards 4 of test box, lighting fixture 5 is all installed with 4 tops of heat insulating board to 3 inside wall bottoms of test box, 2 internally mounted have miniature pump 6 of water tank, connecting pipe 7 is installed to 4 bottoms of heat insulating board, connecting pipe 7 bottom fixedly connected with shower nozzle 701 and shower nozzle 701 are a plurality ofly, connecting pipe 7 is kept away from test box 3 one side and is connected with the 6 drainage end of miniature pump, electrothermal tube 8 is installed at 3 inside wall tops of test.

The inside water of water tank 2 is taken out and is pressurizeed when this embodiment micro-water pump 6 moves, the water after the pressurization is finally followed shower nozzle 701 department blowout to test box 3's inside through the transport of connecting pipe 7, with the influence of rainy day environment to LED when simulating outdoor use, test device carries out the comprehensiveness and the accuracy of testing to LED, the test range has been improved, heat insulating board 4 is the asbestos material, has fine thermal-insulated effect, can avoid 4 top high temperature environment of heat insulating board to 4 bottom space environment's influence of heat insulating board, guarantee the accuracy of test result, the different spaces of distinguishing through heat insulating board 4, make LED can carry out the test under two kinds of different environment in test box 3 inside simultaneously, it is consuming time to have shortened the test, the efficiency of software testing is improved.

2 top one side fixedly connected with inlet tube 201 of water tank, inside inlet tube 201 bottom extended to 2 water tanks, can carry out the water injection to 2 inside of water tank through fixing the inlet tube 201 at 2 tops of water tank.

The current input end of the micro water pump 6 is electrically connected with an external power supply through a water pump switch 601, the current input end of the electric heating tube 8 is electrically connected with the external power supply through a circuit switch 801, the micro water pump 6 can be controlled to be opened and closed through the water pump switch 601, and the working state of the electric heating tube 8 can be controlled through the circuit switch 801.

Wash port 301 and wash port 301 have been seted up to 3 inside wall bottoms of test box and have been a plurality of, wash port 301 runs through 3 bottoms of test box and extends to inside the water tank 2, and wash port 301 through seting up in 3 bottoms of test box can in time discharge the inside water of test box 3 back to the inside of water tank 2, avoids ponding, can carry out the reutilization to the water simultaneously.

When the device is used, the water tank 2 at the top of the base 1 is used for storing water, water can be injected into the water tank 2 through the water inlet pipe 201 fixed at the top of the water tank 2, the bottom of the connecting pipe 7 is fixed with the spray head 701, the water delivery end of the connecting pipe 7 is connected with the water discharge end of the micro water pump 6 positioned in the water tank 2, in the actual test process, the micro water pump 6 is switched on through the circuit by the water pump switch 601, the water in the water tank 2 is pumped out and pressurized when the micro water pump 6 runs, the pressurized water is finally sprayed out from the spray head 701 to the inside of the test box 3 through the conveying of the connecting pipe 7, the LED to be tested in the test box 3 is sprayed with water, so as to simulate the influence of the rainy day environment on the LED when the device is used outdoors, the rainy day simulation is carried out by adding the micro water pump 6 and the spray head 701, the testing range is improved, the heat insulation plate 4 is fixed at the middle position in the testing box 3, the testing box 3 is divided into two different spaces by the heat insulation plate 4, the lamp holder 5 for installing and placing the LED is fixed at the bottom of the inner wall of the testing box 3 and the top of the heat insulation plate 4, the LED is subjected to water spraying test by the bottom of the heat insulation plate 4 through the micro water pump 6 and the sprayer 701, the electrothermal tube 8 is installed at the top of the inner side wall of the testing box 3, the electrothermal tube 8 can be started by connecting a circuit through a circuit switch 801, the electrothermal tube 8 can convert electric energy into heat energy to heat the top space of the heat insulation plate 5 when being started so as to test the use condition of the LED under a high-temperature environment, the heat insulation plate 4 is made of asbestos, the good heat insulation effect is achieved, the influence of the high-temperature environment, through the different spaces that heat insulating board 4 distinguished for LED can carry out the test under two kinds of different environment in test box 3 inside simultaneously, has shortened the test consuming time, has improved efficiency of software testing.

It should be noted that, the utility model relates to a LED life-span testing arrangement with higher speed, including base 1, water tank 2, inlet tube 201, test box 3, wash port 301, heat insulating board 4, lighting fixture 5, micro-water pump 6, water pump switch 601, connecting pipe 7, shower nozzle 701, electrothermal tube 8, circuit switch 801, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The miniature water pump 6, the water pump switch 601, the electric heating tube 8 and the circuit switch 801 are conventional products in the prior art, the miniature water pump 6 is DP-60 in model, the water pump switch 601 is DZ15D-40 in model, the electric heating tube 8 is JQ-4547 in model, the circuit switch 801 is HK2 in model, and the internal structure is not described.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a LED life-span testing arrangement with higher speed, includes base (1), its characterized in that: base (1) top fixedly connected with water tank (2), test box (3) are installed at water tank (2) top, test box (3) inside wall intermediate position fixedly connected with heat insulating board (4), lighting fixture (5) are all installed with heat insulating board (4) top to test box (3) inside wall bottom, water tank (2) internally mounted has micro-water pump (6), connecting pipe (7) are installed to heat insulating board (4) bottom, connecting pipe (7) bottom fixedly connected with shower nozzle (701) and shower nozzle (701) are a plurality of, connecting pipe (7) are kept away from test box (3) one side and are connected with micro-water pump (6) drainage end, electrothermal tube (8) are installed at test box (3) inside wall top.

2. The accelerated LED lifetime testing apparatus of claim 1, wherein: water tank (2) top one side fixedly connected with inlet tube (201), inlet tube (201) bottom extends to inside water tank (2).

3. The accelerated LED lifetime testing apparatus of claim 1, wherein: the current input end of the micro water pump (6) is electrically connected with an external power supply through a water pump switch (601), and the current input end of the electric heating pipe (8) is electrically connected with the external power supply through a circuit switch (801).

4. The accelerated LED lifetime testing apparatus of claim 1, wherein: the water tank is characterized in that a plurality of drain holes (301) are formed in the bottom of the inner side wall of the test box (3), and the drain holes (301) penetrate through the bottom of the test box (3) and extend into the water tank (2).