CN115436779A - A place frame for placing cell-phone display screen - Google Patents

Abstract

The invention discloses a placing frame for placing a mobile phone display screen, which comprises a placing frame body, wherein the placing frame body is provided with a testing groove, the testing groove is provided with a testing PCB groove, the testing PCB groove is provided with a testing PCB, the connecting PCB is provided with an equipment connecting end and an FPC (flexible printed circuit) common welding end, the testing PCB is connected with the FPC common welding end by connecting an FPC (flexible printed circuit) flat cable to realize parallel connection of a plurality of testing PCBs, the FPC flat cable is connected into a square shape, the two ends of the FPC flat cable are provided with golden fingers, the middle of the FPC flat cable is provided with step-shaped golden fingers, the FPC flat cable is provided with a connecting FPC alignment mark, and the PCB connecting PCB is provided with a connecting PCB alignment mark. According to the invention, the placing frame body is provided with the testing groove, so that a plurality of display screens can be synchronously displayed, the display screens which are not synchronously displayed can be easily checked, the display screens are transported through the testing support to avoid damaging the FPC, and the placing frame body and the display screens can be quickly connected.

Description

A place frame for placing cell-phone display screen

Technical Field

The invention relates to the technical field of display screens, in particular to a placing rack for placing a mobile phone display screen.

Background

The production of the display screen is carried out through a plurality of links, including assembly, testing and transportation. In these links, the FPC of the display screen is very prone to crack due to stress, and the circuit is broken after the crack is enlarged. This is a problem in the transfer of display screens, where there are already important operating specifications to be paid attention to the personnel, but the control of these personnel operations is far from being guaranteed to be conservative with the devices. In the testing link of the display screen, a reliability test is carried out, and the aging electrical property needs the display screen to stand by for a period of time to detect the performance of the display screen. However, the aging performance test is usually performed on a plurality of display screens together, so that defective products are known through comparison, and at present, no placement rack specially used for performing the test on the plurality of display screens together exists.

Disclosure of Invention

The invention provides a placing frame for placing a mobile phone display screen, and solves the problem of multi-screen testing of the display screen.

In order to solve the technical problems, the technical scheme of the invention is as follows: a placing frame for placing a mobile phone display screen comprises a placing frame body, wherein the placing frame body is provided with a plurality of testing grooves for placing testing brackets, the side walls of the testing grooves are provided with testing PCB grooves for placing testing PCBs, the testing PCBs are placed in the testing PCB grooves and fixedly connected with the testing PCB grooves, the testing PCBs are provided with testing PCB copper-exposed belts so that the testing PCBs can be contacted with spring pieces to realize the electrical connection between the testing PCBs and the testing brackets, the testing grooves are provided with connecting FPC openings so that connecting FPC flat cables can pass through, the side walls of the testing grooves are provided with positioning structures which enable the spring pieces of the testing brackets to be aligned with the testing PCBs, the placing frame body is provided with connecting PCB grooves for placing the connecting PCBs, the connecting PCBs are placed in the connecting PCB grooves and fixedly connected with the connecting PCB grooves, the connecting PCBs are provided with equipment connecting ends for being connected with testing equipment and FPC common welding ends for being connected with the testing PCBs, the test PCB is connected with the common welding end of the FPC through the connecting FPC flat cable to realize the parallel connection of a plurality of test PCBs, the connecting end of the equipment is electrically connected with the common welding end of the FPC, the test content of the display screen in the test groove is input through the connecting end of the equipment, a test bracket provided with the display screen can be placed in the middle of the test groove to enable the test PCB to be communicated with the elastic sheet to light the display screen and detect the display screen, the connecting PCB is in a strip shape, the golden finger connected with the common welding end of the FPC on the PCB is in a step shape, the connecting FPC flat cable is in a square shape, the golden finger is arranged at two ends of the connecting FPC flat cable, the step golden finger is arranged in the middle of the connecting FPC flat cable, a tin passing hole is arranged in the middle of the step golden finger connected FPC flat cable to facilitate the welding of the connecting FPC flat cable and the common welding end of the FPC, the connecting FPC flat cable is provided with a connecting FPC alignment mark, and the connecting PCB is provided with a connecting PCB alignment mark to facilitate the alignment of the FPC flat cable and the common welding end of the connecting PCB, the test grooves are arranged in multiple rows and multiple columns, and the arrangement directions of the test grooves are the same.

As a preferred scheme of the invention, the control board is provided with a control switch for controlling the power-on or power-off of the test PCBs of the plurality of test grooves, and the control switch can enable the display screens in the plurality of test grooves to display synchronously so that testers can find out defective products which are displayed asynchronously.

As a preferred scheme of the present invention, the present invention further comprises a connection PCB cover plate for covering the connection PCB, the connection PCB cover plate is placed in the connection PCB groove and is fixedly connected with the connection PCB groove, and the connection PCB cover plate and the placement frame body sandwich the connection PCB to prevent dust from accumulating on the connection PCB.

As a preferred scheme of the invention, the connecting device further comprises a connecting FPC flat cable cover plate used for covering the connecting FPC flat cable, the connecting FPC flat cable cover plate is placed in the connecting FPC flat cable groove and is fixedly connected with the connecting FPC flat cable groove, and the connecting FPC flat cable cover plate and the placing frame body clamp the connecting FPC flat cable in the middle to prevent dust from accumulating on the connecting FPC flat cable.

As a preferred scheme of the present invention, the control board further includes a time module for measuring the test time, and a test display screen, the time displayed by the test display screen is set as the time for the time module to start timing when the control switch connects the test PCB, and the time displayed by the test display screen is in seconds.

As a preferred scheme of the invention, a current assembly for testing current is also arranged between the test PCB and the control board, the current assembly comprises an ammeter and a current display screen, the ammeter is electrically connected with the current display screen, and the current display screen can display the instant current of the display screen in the test groove so that a tester can find out defective products with abnormal current.

As a preferable aspect of the present invention, the positioning structure is a positioning bone in four directions.

As a preferable scheme of the invention, the inner side of the upper end surface of the positioning bone is provided with a chamfer so as to facilitate the placement of the test bracket.

As a preferred scheme of the invention, the placing frame body is provided with an anti-contra-bar, the testing support is provided with an anti-contra-bar groove, and the anti-contra-bar is inserted into the anti-contra-bar groove so as to prevent the testing support from being reversely arranged on the placing frame body to cause the electrical connection error between the elastic sheet and the testing PCB.

As a preferred scheme of the invention, four corners of the top surface of the placing frame body are provided with convex structures, and four corners of the bottom surface of the placing frame body are provided with concave structures which correspond to the convex structures in position and are matched with the convex structures, so that a plurality of placing frame bodies can be stacked.

According to a preferred scheme of the invention, a display screen groove for placing a display screen is formed in one upward side of a test support, a groove opening is formed in one side of the display screen groove, a connector female seat for connecting a connector male seat on a display screen FPC is arranged on the outer side of the groove opening, the connector female seat is fixedly connected with the test support, the top surface of the connector female seat protrudes out of the bottom surface of the display screen groove so as to facilitate the insertion and extraction of the connector male seat and the connector female seat, a support bottom groove for placing elastic sheets is formed in the bottom surface of the test support, the elastic sheets are placed in the support bottom groove, and the elastic sheets are electrically connected with jacks on the connector female seat in a one-to-one correspondence mode.

The beneficial effects of the technical scheme are as follows: a plurality of test grooves used for placing a test support are formed in the placement frame body, synchronous display of a plurality of display screens can be achieved, the display screens which are not synchronous can be checked more easily, the display screens can be placed through the test support, the display screens can be placed in the test grooves to be transported so as to avoid damage to the FPC, the elastic sheet group is arranged on the placement frame body, the elastic sheet group can be easily aligned and electrified with the test PCB, and the placement frame body can be quickly connected with the display screens.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in 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 perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view from another perspective of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is a perspective view of the shelf body;

FIG. 6 is a perspective view of a test rack;

FIG. 7 is a perspective view of the test rack from another angle;

FIG. 8 is a perspective view of the connection FPC;

FIG. 9 is a perspective view of the connecting PCB;

fig. 10 is a partially enlarged view of the connection PCB.

In the figure, 1-a placement frame body, 2-a test support, 3-a test groove, 4-a connecting PCB cover plate, 5-a positioning structure, 6-a current display screen, 7-a spring plate, 8-a jack, 9-a display screen groove, 10-an anti-reflection structure, 11-a positioning bone, 12-a chamfer, 13-a connecting FPC opening, 14-a connector female seat, 15-a support bottom groove, 16-an anti-reflection bone, 17-an anti-reflection groove, 18-a connecting FPC groove, 19-a test PCB, 20-a test PCB groove, 21-a connecting PCB alignment mark, 22-an equipment connecting end, 23-a connecting PCB, 24-a connecting PCB groove, 25-an FPC common welding end, 26-a connecting FPC, 27-a connecting FPC alignment mark, 28-a step-shaped golden finger, 29-a tin passing hole and 30-a test PCB exposed copper strip.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, and is not intended to limit the present invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to the drawings, a placing rack for placing a mobile phone display screen comprises a placing rack body 1, the placing rack body 1 is provided with a plurality of testing grooves 3 for placing testing supports 2, the side walls of the testing grooves 3 are provided with testing PCB grooves 20 for placing testing PCBs 19, the testing PCBs 19 are placed in the testing PCB grooves 20 and fixedly connected with the testing PCB grooves 20, the inner side walls of the testing grooves 3 are provided with positioning structures 5 for aligning the spring pieces 7 of the testing supports 2 with the testing PCBs 19, the testing PCBs 19 are provided with testing PCB exposed copper strips 30 so that the testing PCBs 19 can be contacted with the spring pieces 7 to realize the electrical connection of the testing PCBs 19 and the testing supports 2, the testing grooves 3 are provided with connecting PCB grooves 13 for connecting FPC wires 26 to pass through, the placing rack body 1 is provided with connecting PCB grooves 24 for placing the connecting PCBs 23, the connecting PCBs 23 are placed in the connecting PCB grooves 24 and fixedly connected with the connecting PCB grooves 24, the connecting PCB 23 are provided with device connecting ends 22 for connecting with the testing devices, the common soldering terminals 25 for connecting the FPC 19, the testing PCBs 23 are provided with a plurality of finger soldering terminals, the connecting grooves 26, the testing PCBs 22 are provided with a plurality of the testing PCB connecting terminals, the testing devices 22, the connecting terminals for connecting the testing PCBs 23, the finger soldering terminals are connected with the testing PCBs 23, the testing PCB 2, the display devices connected in parallel, the testing grooves 26, the testing PCB 3, the testing grooves are provided with the finger soldering terminals, the finger soldering terminals 25, the finger soldering terminals connected with the testing PCB 23, the testing grooves 26, the testing devices connected with the finger soldering terminals 25, the connecting FPC flat cable 26 is provided with a connecting FPC alignment mark 27 and the connecting PCB 23 is provided with a connecting PCB alignment mark 21 so that the connecting FPC flat cable 26 is aligned with the connecting PCB 23 at the position of the FPC common welding end 25, the testing grooves 3 are arranged in multiple rows and multiple columns, and the directions of the testing grooves 3 are the same.

Preferably, the control panel is provided with the control switch that is used for controlling the test PCB19 circular telegram or the outage of a plurality of test recess 3, and control switch can make the synchronous demonstration of display screen in a plurality of test recess 3 so that the tester finds out the defective products that show asynchronization.

Preferably, the connecting FPC cable 26 is placed in the connecting FPC slot 18.

Preferably, the connecting PCB cover plate 4 is used for covering the connecting PCB 23, the connecting PCB cover plate 4 is placed in the connecting PCB groove 24 and is fixedly connected with the connecting PCB groove 24, and the connecting PCB cover plate 4 and the placing frame body 1 clamp the connecting PCB 23 in the middle to prevent dust from accumulating on the connecting PCB 23.

Preferably, the frame further comprises a connecting FPC flat cable cover plate for covering the connecting FPC flat cable 26, the connecting FPC flat cable cover plate is placed in the connecting FPC flat cable groove and fixedly connected with the connecting FPC flat cable groove, and the connecting FPC flat cable cover plate and the placing frame body 1 clamp the connecting FPC flat cable 26 in the middle to prevent dust from accumulating on the connecting FPC flat cable 26.

Preferably, the control panel further comprises a time module for measuring the test time and a test display screen, the time displayed by the test display screen is set as the time for starting timing by the time module when the control switch enables the test PCB19 to be connected, and the time displayed by the test display screen is in seconds.

Preferably, still be provided with the current component who is used for test current between test PCB19 and the control panel, the current component includes ampere meter, current display screen 6, ampere meter and 6 electric connection of current display screen, current display screen 6 can show the instant electric current of display screen in this test recess 3 so that the tester finds out the defective products that the electric current is unusual.

Preferably, the positioning structure 5 is a positioning bone 11 in four directions.

Preferably, the inner side of the upper end surface of the positioning bone 11 is provided with a chamfer 12 for the placement of the test fixture 2.

Preferably, the rack body 1 is provided with an anti-contra-reflection bone 16, the test rack 2 is provided with an anti-contra-reflection groove 17, and the anti-contra-reflection bone 1 is inserted into the anti-contra-reflection groove 17 so as to prevent the test rack 2 from being reversely mounted on the rack body 1 to cause the electrical connection error between the elastic sheet 7 and the test PCB 19.

Preferably, 2 one side up of test support is provided with the display screen recess 9 that is used for placing the display screen, one side of display screen recess 9 is provided with the groove opening, the groove opening's the outside is provided with the female seat 14 of connector that is used for the public seat of connector to connect on the display screen FPC, female seat 14 of connector and test support 2 fixed connection, the bottom surface of the female seat 14 of connector protrusion display screen recess 9 so that the public seat of connector and the female 14 plug of seat of connector, the bottom surface of test support 2 is provided with the support kerve 15 of placing shell fragment 7, shell fragment 7 has been placed in the support kerve 15, jack 8 one-to-one electric connection on shell fragment 7 and the female seat 14 of connector.

Preferably, the test device is a test cartridge.

Preferably, four angles of placing frame body 1 top surface are provided with protruding structure, and four angles of placing frame body 1 bottom surface are provided with the sunk structure that corresponds with protruding structure position and match with protruding structure so that a plurality of placing frame bodies 1 can be built. The protruding structure is set as a cylinder, and the recessed structure is set as a round hole.

According to the invention, the placing frame body 1 is provided with the plurality of testing grooves 3 for placing the testing supports 2, so that a plurality of display screens can be synchronously displayed, the display screens which are displayed asynchronously can be more easily checked, the display screens are placed through the testing supports 2, the display screens are placed in the testing grooves 3 to be transported so as not to damage an FPC (flexible printed circuit), the elastic sheets 7 are arranged on the testing supports 2, so that the elastic sheets 7 can be aligned with the testing PCB19 and electrified, and the placing frame body 1 can be quickly connected with the display screens. The invention can also be used for temporarily storing the display screen.

Compared with the prior art, the invention has the following advantages:

1. the placing frame body 1 is provided with a plurality of testing grooves 3 for placing the testing supports 2, so that a plurality of display screens can be electrified and synchronously displayed at the same time, and the display screens with unsynchronized display can be more easily checked;

2. the test bracket 2 provided with the display screen can be placed in the test groove 3, so that the display screen can be quickly and electrically connected with the placing bracket body 1 and also can be quickly disconnected, and the time is saved; the testing bracket 2 can electrify the elastic sheet 7 and the testing PCB19 by means of the self weight;

3. the display screen is transported by the test support 2, so that the damage of the FPC of the display screen is greatly avoided;

4. the test PCB19 is arranged to be inclined, so that the problem that dust is accumulated on the test PCB19 to cause difficulty in electric conduction is avoided, and the dust accumulated on the test PCB19 is easy to clean;

5. the connecting PCB 23 is covered by the connecting PCB cover plate 4, which is equivalent to the connecting PCB 23 is buried in the placing frame body 1, so that the connecting PCB 23 is prevented from being damaged by the outside;

6. the connecting FPC cable 26 is covered by the connecting FPC cable cover plate, which is equivalent to burying the connecting FPC cable 26 in the placement frame body 1 to avoid the connecting FPC cable 26 from being damaged by the outside.

In a specific embodiment, the test device and the control board are provided as one piece, i.e. the test device is also a control board, i.e. the control board is a test device.

In one embodiment, one end of the connecting FPC cable 26 is provided as a straight edge and the other end is provided as a beveled edge, i.e., the connecting FPC cable 26 is split into two equal parts.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.

Claims (10)

1. The utility model provides a place frame for placing cell-phone display screen which characterized in that: the PCB testing rack comprises a rack body, wherein the rack body is provided with a plurality of testing grooves for placing testing brackets, the side walls of the testing grooves are provided with testing PCB grooves for placing testing PCBs, the testing PCBs are placed in the testing PCB grooves and fixedly connected with the testing PCB grooves, the testing PCBs are provided with testing PCB copper-exposed belts so that the testing PCBs can be contacted with spring pieces to realize the electrical connection of the testing PCBs and the testing brackets, the testing grooves are provided with connecting FPC openings so that connecting FPC (flexible printed circuit) cables can pass through, the side walls of the testing grooves 3 are provided with positioning structures for aligning the spring pieces of the testing brackets with the testing PCBs 19, the side walls of the testing grooves are provided with positioning structures for aligning the spring pieces of the testing brackets with the testing PCBs, the rack body is provided with connecting PCB grooves for placing the connecting PCBs, the connecting PCBs are placed in the connecting PCB grooves and fixedly connected with the connecting PCB grooves, the connecting PCB board is provided with an equipment connecting end used for being connected with testing equipment and an FPC (flexible printed circuit) common welding end used for being connected with the testing PCB, the testing PCB is connected with the FPC common welding end through a connecting FPC flat cable to realize the parallel connection of a plurality of testing PCBs, the equipment connecting end is electrically connected with the FPC common welding end, the testing content of the display screen in the testing groove is input by the equipment connecting end, a testing bracket provided with the display screen can be placed in the middle of the testing groove to enable the testing PCB to be communicated with a spring sheet to lighten the display screen and detect the display screen, the connecting PCB board is in a long strip shape, the golden finger connected with the FPC common welding end on the PCB board is in a step shape, the connecting flat cable is in a square shape, the golden finger is arranged at two ends, the step-shaped golden finger is arranged in the middle, a tin passing hole is arranged in the middle of the step-shaped golden finger connected on the FPC flat cable to facilitate the welding of the connecting FPC flat cable and the FPC common welding end, connect the FPC winding displacement and be provided with and connect FPC counterpoint sign and connect the PCB board and be provided with and connect PCB counterpoint sign so that connect the FPC winding displacement and align with the position of connecting the PCB board at FPC joint department, the direction that test recess one-tenth multirow multiseriate was arranged and a plurality of test recess were put is the same.

2. The placement frame according to claim 1, wherein said control board is provided with a control switch for controlling the power-on or power-off of the test PCB of the plurality of test grooves, said control switch enabling the display screens in the plurality of test grooves to display synchronously so that the tester finds out the defective products which are displayed asynchronously.

3. The shelf of claim 1, further comprising a connecting PCB cover for covering the connecting PCB, wherein the connecting PCB cover is disposed in the connecting PCB slot and is fixedly connected to the connecting PCB slot, and the connecting PCB cover and the shelf body sandwich the connecting PCB to prevent dust from accumulating on the connecting PCB.

4. The placement frame according to claim 1, further comprising a connecting FPC cable cover plate for covering the connecting FPC cable, wherein the connecting FPC cable cover plate is disposed in the connecting FPC cable slot and fixedly connected with the connecting FPC cable slot, and the connecting FPC cable cover plate and the placement frame body clamp the connecting FPC cable therebetween to prevent dust from accumulating on the connecting FPC cable.

5. The shelf of claim 1, wherein the control board further comprises a time module for measuring the test time, and a test display screen, wherein the time displayed by the test display screen is set as the time for the time module to start timing when the control switch switches on the test PCB, and the time displayed by the test display screen is in seconds.

6. The placement frame as claimed in claim 1, wherein a current assembly for testing current is further disposed between the test PCB and the control board, the current assembly includes an ammeter and a current display screen, the ammeter is electrically connected to the current display screen, and the current display screen can display the current of the display screen in the test groove so that a tester can find out defective products with abnormal current.

7. The placement frame as claimed in claim 1, wherein the positioning structure is a positioning bone in four directions, and the inner side of the upper end surface of the positioning bone is provided with a chamfer for placement of the test rack.

8. The placement frame according to claim 1, wherein a display screen groove for placing a display screen is formed in one side, facing upwards, of the test support, a groove opening is formed in one side of the display screen groove, a female connector seat for connecting a male connector seat on a display screen FPC is arranged on the outer side of the groove opening, the female connector seat is fixedly connected with the test support, the top surface of the female connector seat protrudes out of the bottom surface of the display screen groove so as to facilitate the insertion and extraction of the male connector seat and the female connector seat, a support bottom groove for placing elastic sheets is formed in the bottom surface of the test support, the elastic sheets are placed in the support bottom groove, and the elastic sheets are electrically connected with jacks on the female connector seat in a one-to-one correspondence mode.

9. The placement frame according to claim 1, wherein the placement frame body is provided with an anti-contra-bone, the testing support is provided with an anti-contra-bone groove, and the anti-contra-bone is inserted into the anti-contra-bone groove so as to prevent the testing support from being reversely arranged on the placement frame body to cause the electrical connection error between the elastic sheet and the testing PCB.

10. A placement frame as defined in claim 1, wherein the top surface of the placement frame body is provided with protruding structures at four corners, and the bottom surface of the placement frame body is provided with recessed structures corresponding to the protruding structures at four corners and matching with the protruding structures so that a plurality of placement frame bodies can be stacked.

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