CN114814299A - A place frame for placing cell-phone display screen - Google Patents

A place frame for placing cell-phone display screen Download PDF

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Publication number
CN114814299A
CN114814299A CN202210309677.8A CN202210309677A CN114814299A CN 114814299 A CN114814299 A CN 114814299A CN 202210309677 A CN202210309677 A CN 202210309677A CN 114814299 A CN114814299 A CN 114814299A
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CN
China
Prior art keywords
testing
test
pcb
groove
display screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210309677.8A
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Chinese (zh)
Inventor
陈文泰
周杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Kanglingyuan Technology Co ltd
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Shenzhen Kanglingyuan Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Shenzhen Kanglingyuan Technology Co ltd filed Critical Shenzhen Kanglingyuan Technology Co ltd
Priority to CN202210309677.8A priority Critical patent/CN114814299A/en
Publication of CN114814299A publication Critical patent/CN114814299A/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416—Connectors, terminals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

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, one surface of the testing PCB is provided with a testing conductive connecting end, the other surface of the testing PCB is provided with a testing signal input end, the connecting PCB is provided with an equipment connecting end and an FPC common welding end, after the connecting FPC passes through a bottom hole of the testing PCB groove, the testing signal input ends of the testing PCB are connected with the FPC common welding end, the parallel connection of the testing signal input ends of a plurality of testing PCBs is realized, the connecting FPC is rectangular, and a step-shaped golden finger is arranged in the middle of the connecting FPC. 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 easy to be stressed to generate cracks, and the circuit can be disconnected after the cracks are expanded. 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 aims to provide a placing rack 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 placement frame for placing a mobile phone display screen comprises a placement frame body, wherein the placement frame body is provided with a plurality of test grooves for placing test supports, the bottoms of the test grooves are provided with test PCB grooves for placing test PCBs, the test PCBs are placed in the test PCB grooves and fixedly connected with the test PCB grooves, the test PCB grooves are respectively provided with test PCBs electrically connected with the test supports, one side of each test PCB is provided with a test conductive connecting end, the other side of each test PCB is provided with a test signal input end, the test conductive connecting ends are electrically connected with the test signal input ends in a one-to-one correspondence mode, the side walls of the test grooves are provided with positioning structures for aligning the elastic sheet groups of the test supports with the test conductive connecting ends, the bottom surface of the placement frame body is provided with a connecting PCB groove for placing the connecting PCBs, the connecting PCBs are placed in the connecting PCB grooves and fixedly connected with the connecting PCB grooves, and the connecting PCB is provided with equipment connecting ends for being connected with test equipment, The FPC common welding end is used for being connected with the test signal input end of the test PCB, the bottom of the test PCB groove is provided with a test PCB groove bottom hole for connecting the FPC to pass through, the test signal input end of the test PCB is connected with the FPC common welding end after the FPC passes through the test PCB groove bottom hole, the test signal input end of a plurality of test PCBs is connected in parallel, the equipment connecting end is electrically connected with the FPC common welding end, the test content of the display screen in the test groove is input through the equipment connecting end, the test bracket provided with the display screen can be placed in the middle of the test groove to enable the test conductive connecting end to be communicated with the spring sheet group to light the display screen and detect the display screen, the golden finger connecting the PCB to be in a strip shape and connecting the FPC common welding end on the PCB is in a step shape, the FPC is in a rectangle shape, the golden finger is arranged at two ends, the step-shaped golden finger is arranged in the middle, the tin passing hole is arranged in the middle of the step-shaped golden finger connecting the FPC so as to connect the FPC common welding end with the FPC, the connection FPC and the connection PCB are provided with silk-screen marks so that the positions of the connection FPC26 and the connection PCB23 are aligned.
As a preferred scheme of the invention, the control panel is provided with a control switch for controlling the electrifying or breaking of the test conductive connecting ends 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 preferable 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 module is configured to start timing when the control switch connects the test conductive connection terminals, the time displayed by the test display screen is configured to start timing when the control switch connects the test conductive connection terminals, 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 further arranged between the testing conductive connecting end 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 testing 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.
In a preferred embodiment of the present invention, a fillet is provided between the chamfer on the inner side of the upper end surface of the positioning bone and the inner side of the upper end surface of the positioning bone.
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 group and the testing conductive connecting end.
The beneficial effects of the technical scheme are as follows: be provided with a plurality of test recesses that are used for placing the test support through putting the frame body, can make a plurality of display screen synchronization display to check out more easily and show asynchronous display screen, place the display screen through the test support, make the display screen place transport in the test recess in order to avoid making FPC damage, it can make the group of bullet pieces counterpoint easily and circular telegram with the electrically conductive link of test to be provided with the group of bullet pieces on putting the frame body, but place a body and display screen high-speed joint.
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 a perspective view of a test rack;
figure 3 is a perspective view of another angle of the test rack.
FIG. 4 is an exploded view of a test rack;
FIG. 5 is a perspective view of another aspect of the present invention;
FIG. 6 is an exploded view of the present invention;
FIG. 7 is a schematic view of connecting FPC;
FIG. 8 is a schematic view of a connection PCB;
FIG. 9 is a perspective view of another angle of the test PCB;
fig. 10 is a partial enlarged view of the circle in fig. 8.
In the figure, 1-a placing frame body, 2-a testing support, 3-a testing groove, 4-a testing conductive connecting end, 5-a positioning structure, 6-a current display screen, 7-a spring sheet group, 8-a jack, 9-a display screen groove, 10-an anti-reflection structure, 11-a positioning bone, 12-a chamfer, 13-a fillet, 14-a connector female seat, 15-a support bottom groove, 16-an anti-reflection bone, 17-an anti-reflection groove, 18-a jack, 19-a testing PCB, 20-a testing PCB groove, 21-a testing signal input end, 22-a device connecting end, 23-a connecting PCB, 24-a connecting PCB groove, 25-an FPC common welding end, 26-a connecting FPC, 27-a testing PCB bottom hole, 28-a step-shaped golden finger, 29-a tin passing hole, and 30-silk-screen printing identification.
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 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 attached drawings, a placing rack for placing a mobile phone display screen comprises a placing rack body 1, wherein the placing rack body 1 is provided with a plurality of test grooves 3 for placing test brackets 2, the bottoms of the test grooves 3 are provided with test PCB grooves 20 for placing test PCBs 19, test PCBs 19 are placed in the test PCB grooves 20 and fixedly connected with the test PCB grooves 20, the test PCB grooves 20 are respectively provided with a test PCB19 for electrically connecting with the test brackets 2, one surface of each test PCB19 is provided with a test conductive connecting end 4, the other surface of each test PCB19 is provided with a test signal input end 21, the test conductive connecting ends 4 are electrically connected with the test signal input ends 21 in a one-to-one correspondence manner, the side walls of the test grooves 3 are provided with positioning structures 5 for aligning the elastic sheet sets 7 of the test brackets 2 with the test conductive connecting ends 4, the bottom surface of the placing rack body 1 is provided with a connecting PCB groove 24 for placing and connecting PCBs 23, the connecting PCB23 is placed in the connecting PCB groove 24 and fixedly connected with the connecting PCB groove 24, the connecting PCB23 is provided with an equipment connecting end 22 for connecting with a test equipment, an FPC common welding end 25 for connecting with a test signal input end 21 of a test PCB19, the bottom of the test PCB groove 20 is provided with a test PCB groove bottom hole 27 for connecting with the FPC26, after the connecting FPC26 passes through the test PCB groove bottom hole 27, the test signal input end 21 of a test PCB19 is connected with the FPC common welding end 25 to realize the parallel connection of the test signal input ends 21 of a plurality of test PCBs, the equipment connecting end 22 is electrically connected with the FPC common welding end 25, the test contents of the display screen in the test groove 3 are all input by the equipment connecting end 22, the test bracket 2 provided with the display screen can be placed in the middle of the test groove 3 to enable the test conductive connecting end 4 to be communicated with the elastic sheet group 7 to light the display screen and detect the display screen, the connecting PCB23 is in a long strip shape and the common welding end 25 on the connecting PCB23 is in a step shape, connect FPC26 and be the rectangle and both ends are provided with the golden finger, the centre is provided with step golden finger 28, and the middle part of connecting step golden finger 28 on FPC26 is provided with tin hole 29 so that connect FPC26 and FPC and weld with the welding of FPC altogether end 25, connects FPC26, connects PCB23 and all is provided with silk screen printing sign 30 so that connect FPC26 and the position of connecting PCB23 aligns.
Preferably, the control panel is provided with the control switch that 4 circular telegrams or the disconnection of the electrically conductive link of test that is used for controlling a plurality of test recess 3, and control switch can make the display screen synchronous display in a plurality of test recess 3 so that the tester finds out the defective products that show asynchronization.
Preferably, the control panel further comprises a time module and a test display screen, the time module is used for measuring the test time, the time module is set to start timing when the control switch enables the test conductive connecting end to be connected, the time displayed by the test display screen is set to be the time when the control switch enables the test conductive connecting end 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 electrically conductive link 4 of test and the control panel, current component includes ampere meter, current display screen 6, 6 electric connection of ampere meter and current display screen, and current display screen 6 can show the instant electric current of display screen in this test recess 3 so that the testing personnel find 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, a fillet 13 is provided between the chamfer 12 on the inner side of the upper end surface of the positioning bone 11 and the inner side of the upper end surface of the positioning bone 11.
Preferably, the placing frame body 1 is provided with an anti-reverse bone 16, the testing frame 2 is provided with an anti-reverse groove 17, and the anti-reverse bone 1 is inserted into the anti-reverse groove 17 so as to prevent the testing frame 2 from being reversely mounted on the placing frame body 1 to cause the electrical connection error between the spring plate group 7 and the testing conductive connecting end 4.
Preferably, one side that test support 2 is up 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 public seat of the well convex display screen recess 9 of the entry of female seat 14 of connector so that the public seat of connector and the female seat 14's of connector plug, the bottom surface of test support 2 is provided with the support kerve 15 of placing shell fragment group 7, shell fragment group 7 has been placed in the support kerve 15, 8 one-to-one electric connection of jack on shell fragment group 7 and the female seat 14 of connector.
Preferably, the test device is a test cartridge.
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 with asynchronous display 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 sheet groups 7 are arranged on the testing supports 2, so that the elastic sheet groups 7 and the testing conductive connecting ends 4 can be aligned and electrified, and the placing frame body 1 and the display screens can be quickly connected.
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 synchronously displayed, and the display screens with asynchronous 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 test support 2 can enable the elastic sheet group 7 and the test conductive connecting end 4 to be electrified by means of self weight;
3. the display screen is transported by the test support 2, and the damage to the FPC of the display screen is greatly avoided.
In a specific embodiment, the test device and the control board are provided as one piece, i.e. the test device is also the control board, i.e. the control board is the test device.
In a specific embodiment, a place frame for placing cell-phone display screen, including placing frame body 1, place frame body 1 and be provided with a plurality of test recess 3 that are used for placing test support 2, the bottom of test recess 3 all is provided with the electrically conductive link 4 of test that is used for with test support 2 electric connection, the electrically conductive link 4 parallel connection of test of a plurality of test recess 3, test recess 3 all is provided with the location structure 5 that makes the shell fragment group 7 of test support 2 and the electrically conductive link 4 of test align, the middle that test recess 3 can be placed to test support 2 of installing the display screen comes to light the display screen and detects the display screen, place frame body 1 and be provided with the equipment link that is used for being connected with test equipment, the equipment link is with the electrically conductive link 4 electric connection of test, the test content of display screen is by the equipment link input in the test recess 3.
In a specific embodiment, one end of the connection FPC26 is provided as a straight edge and the other end is provided as a beveled edge, i.e. the connection FPC26 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 these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.

Claims (8)

1. The utility model provides a place frame for placing cell-phone display screen which characterized in that: the test rack comprises a placement rack body, wherein the placement rack body is provided with a plurality of test grooves for placing test supports, the bottom of each test groove is provided with a test PCB groove for placing a test PCB, the test PCB is placed in the test PCB groove and fixedly connected with the test PCB groove, the test PCB groove is provided with a test PCB which is electrically connected with the test supports, one surface of the test PCB is provided with a test conductive connecting end, the other surface of the test PCB is provided with a test signal input end, the test conductive connecting end is electrically connected with the test signal input end in a one-to-one correspondence manner, the side wall of each test groove is provided with a positioning structure which enables a spring sheet group of the test support to be aligned with the test conductive connecting end, the bottom surface of the placement rack body is provided with a connection PCB groove for placing the connection PCB, the connection PCB is placed in the connection PCB groove and fixedly connected with the connection PCB groove, and the connection PCB is provided with a device connecting end, a testing device, and a testing device, The FPC common welding end is used for being connected with the testing signal input end of a testing PCB, the bottom of the testing PCB groove is provided with a testing PCB groove bottom hole for connecting the FPC to pass through, the testing signal input end of the testing PCB is connected with the FPC common welding end after the FPC passes through the testing PCB groove bottom hole, the testing signal input ends of a plurality of testing PCBs are connected in parallel, 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, the testing bracket provided with the display screen can place the middle of the testing groove to enable the testing conductive connecting end to be communicated with the spring sheet set to light the display screen and detect the display screen, the connecting PCB is in a strip shape, the golden finger for connecting the FPC common welding end on the PCB is in a stepped shape, the connecting FPC is in a rectangular shape, the golden finger is arranged at two ends, the stepped golden finger is arranged in the middle, the tinning hole is arranged in the middle of the stepped golden finger on the connecting FPC so as to facilitate the welding of the FPC and the FPC common welding end, the connection FPC and the connection PCB are provided with silk-screen marks so that the positions of the connection FPC26 and the connection PCB23 are aligned.
2. The cage of claim 1 wherein said positioning structure is a positioning bone in four directions.
3. The placement frame as claimed in claim 2, wherein the inner side of the upper end surface of the positioning bone is provided with a chamfer for the placement of a display screen.
4. The placement frame according to claim 2, wherein a fillet is provided between the chamfer on the inner side of the upper end surface of the positioning bone and the inner side of the upper end surface of the positioning bone.
5. The placement frame according to claim 1, further comprising a control board, wherein the control board is provided with a control switch for controlling the conduction or disconnection of the test conductive connection ends 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.
6. The placement frame according to claim 1, wherein said control board further comprises a time module for measuring the testing time, a testing display screen, said time module is configured to control the switch to start timing when the testing conductive connection terminals are connected, the time displayed by said testing display screen is configured to control the switch to start timing when the testing conductive connection terminals are connected, and the time displayed by said testing display screen is in seconds.
7. The placement frame as claimed in claim 1, wherein a current assembly for testing current is further disposed between the testing conductive connection end 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 instant current of the display screen in the testing groove so that a tester can find out defective products with abnormal current.
8. The placement frame according to claim 1, wherein the placement frame body is provided with an anti-reverse bone, the testing support is provided with an anti-reverse groove, and the anti-reverse bone is inserted into the anti-reverse groove so as to prevent the testing support from reversely mounting on the placement frame body to cause an electrical connection error between the spring group and the testing conductive connecting end.
CN202210309677.8A 2022-03-26 2022-03-26 A place frame for placing cell-phone display screen Withdrawn CN114814299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210309677.8A CN114814299A (en) 2022-03-26 2022-03-26 A place frame for placing cell-phone display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210309677.8A CN114814299A (en) 2022-03-26 2022-03-26 A place frame for placing cell-phone display screen

Publications (1)

Publication Number Publication Date
CN114814299A true CN114814299A (en) 2022-07-29

Family

ID=82531137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210309677.8A Withdrawn CN114814299A (en) 2022-03-26 2022-03-26 A place frame for placing cell-phone display screen

Country Status (1)

Country Link
CN (1) CN114814299A (en)

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Application publication date: 20220729