CN115825613A - Display module electrical endurance experiment installation device and use method - Google Patents

Abstract

The invention discloses a display module electrical endurance experiment installation device and a using method thereof, wherein the display module electrical endurance experiment installation device comprises a PCB (printed circuit board), a display module, a first positive socket, a second positive socket, a third positive socket, a first negative socket, a second negative socket and a third negative socket, a plurality of positive pins and a plurality of negative pins are arranged at the bottom of the display module, the plurality of positive pins are connected with the first positive socket, the plurality of negative pins are connected with the first negative socket, the bottom of the first positive socket is connected with the bottom of the second positive socket through printed circuits of the PCB, the second positive socket is connected with the third positive socket through jumper wires, and the bottom of the third positive socket is connected with a test positive through the PCB. The invention can quickly install the display module, reduce the welding work during the experiment and improve the working efficiency; the reliability and the selectivity are high; the PCB and the socket of the device can be repeatedly used, and materials are effectively saved.

Description

Display module electrical endurance experiment installation device and use method

Technical Field

The invention relates to the technical field of electrical endurance test equipment, in particular to a display module electrical endurance test installation device and a use method thereof.

Background

In the production process of the display module, an electric endurance test is needed to test the performance of the display module, and the product passing the electric endurance test can reach the delivery standard. Generally, the electrical endurance of the display module requires that the display module be lighted for 1000 hours in a normal state and then various performances of the display module are tested.

The current electric endurance test of the display module is to weld the display module and a corresponding PCB and then connect the display module and the PCB in parallel for electrifying, light up and test the display module for 1000 hours in a normal state, and sample and test various performances of the display module after tin is scalded off from the PCB after the test. However, this mounting test method has disadvantages, such as: welding is needed in each use, so that the problems of poor welding quality such as cold joint, missing welding, desoldering and the like exist, the experimental result after the durability is endured for 1000 hours is influenced, and the reliability is poor; after each experiment, the test is carried out after the soldering tin needs to be burnt, and the phenomena of time consumption, labor waste and easy damage to a PCB and a display module exist; if the individual LEDs in the display module are to be selectively tested, careful soldering is required, resulting in long soldering time; each experiment requires PCB and solder, resulting in waste of material. Therefore, it is highly desirable to design an experimental apparatus for electrical endurance of a display module, which is simple in operation, and can save materials and improve work efficiency.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a display module electrical endurance test installation apparatus and a method for using the same, so as to solve the problems of the background art, the apparatus is reliable in installation, high in selectivity, and capable of being reused, thereby effectively saving materials and time.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a display module electricity endurance experiment installation device, includes PCB board, display module, first positive socket, the anodal socket of second, the anodal socket of third, first negative pole socket, second negative pole socket and third negative pole socket, display module's bottom is equipped with a plurality of anodal pin and a plurality of negative pole pin, a plurality of anodal pin is connected with first positive socket, a plurality of negative pole pin is connected with first negative pole socket, the printed wiring that PCB board is passed through to the bottom of the anodal socket of first positive socket and the bottom of the anodal socket of second is connected, the anodal socket of second passes through the jumper connection with the anodal socket of third, the bottom of the anodal socket of third passes through PCB board and test the anodal connection, the printed wiring that PCB board is passed through to the bottom of first negative pole socket and the bottom of second negative pole socket is connected, the second negative pole socket passes through the jumper connection with the third negative pole socket, the bottom of third socket passes through PCB board and is connected with the test negative pole.

As a further improvement of the invention: and the bottoms of the first positive socket, the second positive socket, the third positive socket, the first negative socket, the second negative socket and the third negative socket are welded on the PCB.

As a further improvement of the invention: the first positive socket, the second positive socket, the third positive socket, the first negative socket, the second negative socket and the third negative socket are arranged in parallel.

As a further improvement of the invention: the first positive socket, the second positive socket, the third positive socket, the first negative socket, the second negative socket and the third negative socket are all provided with a plurality of needle seat through holes.

As a further improvement of the invention: the number of the needle seat through holes of the first positive pole socket, the second positive pole socket, the third positive pole socket, the first negative pole socket, the second negative pole socket and the third negative pole socket is the same.

As a further improvement of the invention: the bottom of the needle base through hole of the first positive socket is connected with the bottom of the needle base through hole of the second positive socket in a one-to-one correspondence mode through printed circuits, and the bottom of the needle base through hole of the first negative socket is connected with the bottom of the needle base through hole of the second negative socket in a one-to-one correspondence mode through printed circuits.

As a further improvement of the invention: the positive electrode pins and the negative electrode pins are arranged on two sides of the bottom of the display module, and the number of the positive electrode pins is the same as that of the negative electrode pins.

As a further improvement of the invention: the distance between the first positive socket and the first negative socket is the same as the distance between the positive pin and the negative pin.

As a further improvement of the invention: the number of the needle seat through holes of the first positive pole socket, the second positive pole socket and the third positive pole socket is more than or equal to the number of the positive pole pins.

As a further improvement of the invention: the number of the needle seat through holes of the first negative pole socket, the second negative pole socket and the third negative pole socket is more than or equal to that of the negative pole pins.

As a further improvement of the invention: the PCB is provided with a plurality of groups of display module electric endurance experiment installation devices, and a plurality of display module detection experiments are carried out simultaneously.

A use method of a display module electrical endurance test installation device is suitable for the display module electrical endurance test installation device, and comprises the following steps:

s1, inserting all positive pins of a display module into a needle base through hole of a first positive socket and contacting with a printed circuit at the bottom of the needle base through hole of the first positive socket; all the negative pins are inserted into the needle seat through holes of the first negative socket and are in contact with the printed circuit at the bottom of the needle seat through holes of the first negative socket;

s2, connecting all or part of the needle base through hole of the second positive socket with the needle base through hole of the third positive socket by connecting a jumper wire;

s3, according to the connection condition of the needle base through holes of the second positive socket and the third positive socket in the step S2, connecting the corresponding needle base through holes of the second negative socket and the third negative socket through jumpers;

and S4, electrifying the testing positive electrode and the testing negative electrode to form a loop, and finishing the electric endurance experiment.

Compared with the prior art, the invention has the beneficial effects that: the display module electrical endurance experiment mounting device can rapidly mount the display module, reduce welding work during experiments and improve working efficiency; the reliability is strong, the selectivity is strong, and the needle stand through holes of the corresponding second anode socket and the second cathode socket can be selectively connected according to some or all anode pins and cathode pins to be detected; the PCB and the socket of the device can be repeatedly used, and materials are effectively saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a side view of the structure of the present invention;

fig. 4 is a side view of the structure of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a PCB board; 2. a display module; 21. a positive electrode pin; 22. a negative electrode pin; 3. a first positive electrode socket; 4. a second positive socket; 5. a third positive electrode socket; 6. a first negative socket; 7 a second negative socket; 8. a third negative socket; 9. a needle base through hole; 10. and (4) jumping.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention will now be further described with reference to the accompanying description and examples: as shown in fig. 1 to 4, a display module electrical endurance experiment installation device comprises a PCB board 1, a display module 2, a first positive socket 3, a second positive socket 4, a third positive socket 5, a first negative socket 6, a second negative socket 7 and a third negative socket 8, wherein the bottom of the display module 2 is provided with a plurality of positive pins 21 and a plurality of negative pins 22, the positive pins 21 are connected with the first positive socket 3, the negative pins 22 are connected with the first negative socket 6, the bottom of the first positive socket 3 is connected with the bottom of the second positive socket 4 through printed circuits of the PCB board 1, the second positive socket 4 is connected with the third positive socket 5 through a jumper wire 10, the bottom of the third positive socket 5 is connected with a test positive through the PCB board 1, the bottom of the first negative socket 6 is connected with the bottom of the second negative socket 7 through printed circuits of the PCB board 1, the second negative socket 7 is connected with the third negative socket 8 through a jumper wire 10, and the bottom of the third negative socket 8 is connected with the test negative socket 1 through a test negative pole.

The bottoms of the first positive socket 3, the second positive socket 4, the third positive socket 5, the first negative socket 6, the second negative socket 7 and the third negative socket 8 are connected to the PCB board 1 in a welding mode.

The first positive socket 3, the second positive socket 4, the third positive socket 5, the first negative socket 6, the second negative socket 7 and the third negative socket 8 are arranged in parallel.

The first positive socket 3, the second positive socket 4, the third positive socket 5, the first negative socket 6, the second negative socket 7 and the third negative socket 8 are all provided with a plurality of needle seat through holes 9.

The number of the needle seat through holes 9 of the first positive socket 3, the second positive socket 4, the third positive socket 5, the first negative socket 6, the second negative socket 7 and the third negative socket 8 is the same.

The needle base through hole 9 bottom of the first positive socket 3 is connected with the needle base through hole 9 bottom of the second positive socket 4 in a one-to-one correspondence mode through printed circuits, and the needle base through hole 9 bottom of the first negative socket 6 is connected with the needle base through hole 9 bottom of the second negative socket 7 in a one-to-one correspondence mode through printed circuits.

The positive electrode pins 21 and the negative electrode pins 22 are arranged on two sides of the bottom of the display module 2, and the number of the positive electrode pins 21 is the same as that of the negative electrode pins 22.

The distance between the first positive socket 3 and the first negative socket 6 is the same as the distance between the positive pin 21 and the negative pin 22.

The number of the needle seat through holes 9 of the first positive socket 3, the second positive socket 4 and the third positive socket 5 is more than or equal to the number of the positive pins 21.

The number of the needle seat through holes 9 of the first negative pole socket 6, the second negative pole socket 7 and the third negative pole socket 8 is more than or equal to that of the negative pole pins 22.

A plurality of groups of display module electric endurance experiment installation devices are installed on the PCB 1, and a plurality of display module detection experiments are carried out simultaneously.

A use method of a display module electrical endurance test installation device is suitable for the display module electrical endurance test installation device, and comprises the following steps:

s1, inserting all the anode pins 21 of the display module 2 into the needle seat through holes 9 of the first anode socket 3, and contacting with printed circuits at the bottom of the needle seat through holes 9 of the first anode socket 3; all the negative pins 22 are inserted into the needle seat through holes 9 of the first negative socket 6 and are in contact with the printed circuit at the bottom of the needle seat through holes 9 of the first negative socket 6;

s2, connecting all or part of the needle base through holes 9 of the second positive socket 4 with the needle base through holes 9 of the third positive socket 5 by connecting jumper wires;

s3, according to the connection condition of the needle stand through holes 9 of the second positive socket 4 and the third positive socket 5 in the step S2, connecting the corresponding needle stand through holes 9 of the second negative socket 7 and the third negative socket 8 through jumper wires 10;

and S4, electrifying the testing positive electrode and the testing negative electrode to form a loop, and finishing the electric endurance experiment.

The working principle of the invention is as follows: taking the positive electrode side of the display module 2 as an example, the positive electrode pin 21 at the bottom of the display module 2 is inserted into the pin seat through hole 9 of the first positive electrode socket 3, the bottoms of all the first positive electrode sockets 3 are connected with the bottoms of all the second positive electrode sockets 4 through the printed circuit of the PCB board 1, the printed circuit short-circuits the pin seat through holes 9 between the first positive electrode socket 3 and the second positive electrode sockets 4 in a one-to-one correspondence manner, namely, the 1# pin seat through hole of the first positive electrode socket 3 is connected with the 1# pin seat through hole of the second positive electrode socket 4, the 2# pin seat through hole of the first positive electrode socket 3 is connected with the 2# pin seat through hole of the second positive electrode socket 4, and so on.

The second positive socket 4 is connected with the third positive socket 5 through a jumper wire 10, and the second positive socket 4 corresponding to all the positive pins 21 can be connected with the third positive socket 5, namely, the first positive pin of the display module 2 is inserted into the through hole of the No. 1 pin seat of the first positive socket 3, is communicated with the through hole of the No. 1 pin seat of the second positive socket 4 through a printed circuit, and is connected with the through hole of the No. 1 pin seat of the third positive socket 5 through the jumper wire 10; the second positive pin of display module 2 inserts the 2# needle file through-hole of first positive socket 3, and the 2# needle file through-hole of rethread printed wiring UNICOM second positive socket 4 is connected with the 2# needle file through-hole of third positive socket 5 through wire jumper 10 to analogize, detects whole anodal pin 21. The second positive socket 4 corresponding to several positive pins 21 may also be connected to the third positive socket 5, that is, the first positive pin of the display module 2 is inserted into the # 1 pin holder through hole of the first positive socket 3, and then is communicated with the # 1 pin holder through hole of the second positive socket 4 through a printed circuit, and is connected to the # 1 pin holder through hole of the third positive socket 5 through a jumper 10; a second anode pin of the display module 2 is inserted into the 2# needle seat through hole of the first anode socket 3 and then is communicated with the 2# needle seat through hole of the second anode socket 4 through a printed circuit, and the 2# needle seat through hole of the second anode socket 4 is connected with the 2# needle seat through hole of the third anode socket 5 without using a jumper wire 10, so that the display module is short-circuited; the third positive pole pin of display module 2 inserts the 3# needle file through-hole of first positive pole socket 3, and the 3# needle file through-hole of rethread printed wiring UNICOM second positive pole socket 4 is connected with the 3# needle file through-hole of third positive pole socket 5 through wire jumper 10 to this skips and detects the anodal pin of second.

The bottom of the third positive socket 5 is connected with the printed circuit of the PCB board 1 in a welding mode to form a short circuit, namely all the needle seat through holes 9 of the third positive socket 5 are short-circuited to form a positive circuit, and the PCB board 1 connects and energizes the leading-out wire end of the positive circuit and the testing positive electrode.

The negative pin 22 of the display module 2 is similar to the positive pin 21, and corresponds to the negative line outgoing end of the PCB 1 through the first negative socket 6, the PCB printed circuit, the second negative socket 7, the jumper wire 10 and the third negative socket 8, and is electrically connected with the testing negative electrode.

And electrifying the positive and negative electrode wires to form a loop, and completing the electric endurance test of the display module.

The main functions of the invention are as follows: the display module electrical endurance experiment mounting device can rapidly mount the display module, reduce welding work during experiments and improve working efficiency; the reliability is strong, the selectivity is strong, and the needle stand through holes of the corresponding second anode socket and the second cathode socket can be selectively connected according to some or all anode pins and cathode pins to be detected; the PCB and the socket of the device can be repeatedly used, and materials are effectively saved.

In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.

Claims (10)

1. The utility model provides a display module electricity endurance experiment installation device, its characterized in that, includes PCB board, display module, first positive socket, second positive socket, third positive socket, first negative pole socket, second negative pole socket and third negative pole socket, display module's bottom is equipped with a plurality of anodal pin and a plurality of negative pole pin, a plurality of anodal pin is connected with first positive socket, a plurality of the negative pole pin is connected with first negative pole socket, the bottom of first positive socket and the printed wiring of second positive socket are passed through the PCB board and are connected, the second positive socket passes through the jumper wire with third positive socket and is connected, the bottom of third positive socket is passed through the PCB board and is connected with the test positive pole, the printed wiring that the bottom of first negative pole socket and the bottom of second negative pole socket passed through the PCB board is connected, the second negative pole socket passes through the jumper wire with the third negative pole socket and is connected with the test negative pole through the PCB board in the bottom of third negative pole socket.

2. The electrical endurance experiment mounting apparatus of claim 1, in which the first positive socket, the second positive socket, the third positive socket, the first negative socket, the second negative socket and the third negative socket are arranged in parallel.

3. The electrical endurance experiment mounting apparatus of claim 2, wherein the first positive socket, the second positive socket, the third positive socket, the first negative socket, the second negative socket and the third negative socket are all provided with a plurality of pin seat through holes.

4. The electrical endurance experiment mounting apparatus of claim 3, wherein the first positive socket, the second positive socket, the third positive socket, the first negative socket, the second negative socket and the third negative socket have the same number of through holes.

5. The mounting device for electric endurance test of display module according to claim 4, wherein the bottom of the through hole of the needle base of the first positive socket is connected with the bottom of the through hole of the needle base of the second positive socket in one-to-one correspondence through printed wiring, and the bottom of the through hole of the needle base of the first negative socket is connected with the bottom of the through hole of the needle base of the second negative socket in one-to-one correspondence through printed wiring.

6. The installation device for electric endurance test of display module of claim 1, wherein said positive and negative pins are disposed at two sides of the bottom of the display module, and the number of said positive and negative pins is the same.

7. The apparatus of claim 6, wherein the distance between the first positive socket and the first negative socket is the same as the distance between the positive pin and the negative pin.

8. The electrical endurance test mounting apparatus of claim 7, in which the number of hub through holes of the first, second and third positive sockets is greater than or equal to the number of positive pins.

9. The electrical endurance experiment mounting apparatus of claim 7, in which the number of hub through holes of the first, second and third negative sockets is greater than or equal to the number of negative pins.

10. A method for using a display module electrical endurance test mounting apparatus, adapted to any one of claims 1 to 9, the method comprising the steps of:

s1, inserting all positive pins of a display module into a needle base through hole of a first positive socket to be in contact with a printed circuit at the bottom of the needle base through hole of the first positive socket; all the negative pins are inserted into the needle seat through holes of the first negative socket and are in contact with the printed circuit at the bottom of the needle seat through holes of the first negative socket;

s2, connecting all or part of the needle base through hole of the second positive socket with the needle base through hole of the third positive socket by connecting a jumper wire;

s3, according to the connection condition of the needle base through holes of the second positive socket and the third positive socket in the step S2, connecting the corresponding needle base through holes of the second negative socket and the third negative socket through jumpers;

and S4, electrifying the testing positive electrode and the testing negative electrode to form a loop, and finishing the electric endurance experiment.

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