CN218037585U

CN218037585U - Liquid crystal display testing device

Info

Publication number: CN218037585U
Application number: CN202221993181.9U
Authority: CN
Inventors: 彭建新
Original assignee: Jiangxi Holitech Technology Co Ltd
Current assignee: Jiangxi Holitech Technology Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-13
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a liquid crystal screen testing device, which comprises a bottom plate, an adapter plate which is detachably arranged on the bottom plate, a needle die which is arranged on the adapter plate, and a movable component which is movably arranged on the side end surface of the bottom plate; the interface of the adapter plate is used for being in contact connection with a liquid crystal display to be tested, the upper contact point of the pin die is used for being in contact connection with the FPC connector, and the lower contact point of the pin die is in contact connection with the adapter plate; wherein the movable assembly is configured to be switched between an open position in which an upper end surface of the needle mold is exposed and a pressed position in which an upper contact point of the needle mold is in contact connection with an FPC connector placed on the upper end surface of the needle mold. In addition, the conventional buckling type connector has the problems of troublesome purchase, easy pairing error of a female connector seat, short test service life, high maintenance rate, troublesome operation, difficulty in rapid operation by a novice, and further increase of test cost and maintenance cost.

Description

Liquid crystal display testing device

Technical Field

The utility model relates to a liquid crystal display tests technical field, concretely relates to liquid crystal display testing arrangement.

Background

In the field of liquid crystal display manufacturing at present, due to manufacturing cost and design requirements, more and more mobile phone manufacturers use the fastening type liquid crystal display, fastening type connectors on the current market are various, and a male seat and a female seat need to be well aligned and then pressed down during use, so that the male seat and the female seat can be tested after being well contacted.

The lock joint type connector in the prior art is various in use, and each connector needs to be correspondingly tested by using different female seats, so that the purchase is not only troublesome, but also the female seat of the connector is easy to be mistakenly paired during the test, the test service life of the lock joint type connector is short, the maintenance rate is high, the operation is troublesome, a new hand is not easy to operate by the hand, and the test cost and the maintenance cost are increased.

In view of this, the present application is presented.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a LCD screen testing arrangement can effectively solve the lock joint formula connector among the prior art and has that purchase is troublesome, the female seat of connector pairs the mistake easily, test life is short, the maintenance rate is high, troublesome poeration, the difficult quick operation of getting to the palm of new hand, and then leads to the problem of test cost and cost of maintenance's increase.

The utility model provides a liquid crystal display testing arrangement, include: the device comprises a base plate, an adapter plate detachably arranged on the base plate, a pin mold arranged on the adapter plate, and a movable assembly movably arranged on the side end face of the base plate;

the interface of the adapter plate is used for being in contact connection with a liquid crystal display to be tested, the upper contact point of the needle die is used for being in contact connection with an FPC connector, and the lower contact point of the needle die is in contact connection with the adapter plate;

wherein the movable assembly is configured to be switched between an open position in which an upper end surface of the needle mold is exposed and a pressed position in which an upper contact point of the needle mold is in contact connection with an FPC connector placed on the upper end surface of the needle mold.

Preferably, the test device further comprises a test platform, and the bottom plate is configured on the test platform.

Preferably, the needle mold comprises a fixed plate arranged on the conversion plate, an alignment plate arranged at the upper end of the fixed plate, a spring assembly, a needle sleeve detachably arranged on the fixed plate, and a connecting module detachably arranged on the needle sleeve;

the first end face of the spring assembly is abutted with the lower end face of the alignment plate, the second end face of the spring assembly is abutted with the upper end face of the fixing plate, the upper contact point of the connecting module is used for being in contact connection with the FPC connector, and the lower contact point of the connecting module is in contact connection with the adapter plate;

when the positioning module is in an opening position, the spring assembly is not pressed downwards by the positioning plate, the spring assembly keeps a default state, the upper contact point of the connecting module is not in contact connection with the FPC connector placed in the positioning area of the positioning plate, when the positioning module is in a pressing position, the spring assembly is pressed downwards by the positioning plate, the spring assembly is compressed, and the upper contact point of the connecting module is in contact connection with the FPC connector placed in the positioning area of the positioning plate.

Preferably, the connection module is a copper sheet.

Preferably, the pin die further comprises a magnet disposed on the alignment plate, and the magnet is configured to fix the position of the FPC connector placed on the alignment area of the alignment plate.

Preferably, a double-row groove hole is formed in the center of the upper end of the needle guard, a first groove opening and a second groove opening are formed in the left side of the lower end of the needle guard, a third groove opening and a fourth groove opening are formed in the right side of the lower end of the needle guard, and a fifth groove opening and a sixth groove opening are formed in the center of the lower end of the needle guard;

the fifth notch and the sixth notch are connected with the left end of the connecting module, the first notch and the fourth notch are connected with the right end of the connecting module, and the second notch and the third notch are connected with the middle end of the connecting module.

Preferably, the movable assembly includes a movable plate movably disposed on the side end surface of the base plate, and a pressing module disposed on the movable plate;

the movable plate is configured to be switched between an opening position and a pressing position, the upper end face of the needle die is exposed when the movable plate is in the opening position, the pressing module abuts against the alignment area of the alignment plate when the movable plate is in the pressing position, and the upper contact point of the connecting module is in contact connection with the FPC connector placed in the alignment area of the alignment plate.

Preferably, the portable electronic device further comprises a buckle arranged on the bottom plate and a pressing buckle arranged on the movable plate, wherein in the opening position, the buckle is separated from the pressing buckle, and in the pressing position, the pressing buckle is connected with the buckle in a clamping manner.

In summary, according to the liquid crystal display testing device provided by this embodiment, when a user uses the liquid crystal display testing device, the PIN mold and the adapter plate corresponding to the connector pitch and the PIN number can be replaced and used according to the connector pitch and the PIN number of the liquid crystal display to be tested, so that the FPC connector can be accurately positioned and placed in the PIN mold, and positioned; after the test is finished, the movable assembly is lifted, and then the product can be taken down for testing the next product. Therefore, the problems that the fastening type connector in the prior art is troublesome to purchase, the female connector seat is easy to pair mistakenly, the test service life is short, the maintenance rate is high, the operation is troublesome, a novice is difficult to quickly operate by hands, and the increase of the test cost and the maintenance cost is caused are solved.

Drawings

Fig. 1 is a schematic structural diagram of a liquid crystal display testing apparatus provided by an embodiment of the present invention.

Fig. 2 is a schematic diagram of a structure explosion of a liquid crystal display testing apparatus provided by an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a needle mold of a liquid crystal display testing device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a connection module of a liquid crystal display testing apparatus according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a needle sleeve of a lcd panel testing device according to a first aspect of the present invention.

Fig. 6 is a schematic structural diagram of a needle sleeve of a liquid crystal display testing device according to a second aspect of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings.

Referring to fig. 1 to 2, a first embodiment of the present invention provides a liquid crystal display testing apparatus, including: the device comprises a base plate 1, an adapter plate 2 which is detachably arranged on the base plate 1, a pin mold 3 which is arranged on the adapter plate 2, and a movable assembly 4 which is movably arranged on the side end face of the base plate 1;

the interface of the adapter plate 2 is used for being in contact connection with a liquid crystal display to be tested, the upper contact point of the needle die 3 is used for being in contact connection with an FPC connector, and the lower contact point of the needle die 3 is in contact connection with the adapter plate 2;

wherein the movable member 4 is configured to be switched between an open position in which an upper end surface of the needle mold 3 is exposed and a pressed position in which an upper contact point of the needle mold 3 is in contact connection with an FPC connector placed on the upper end surface of the needle mold 3.

The buckle type connector in the prior art is various in types, different types of buckle type connectors are different in corresponding test female seats, a user is troublesome in purchasing, the female seat of the connector is prone to wrong pairing during testing, the test operation is troublesome, and an operator cannot observe the alignment condition of the male seat and the female seat, a novice hand is not easy to operate quickly, the connector is pressed down forcibly under the condition of poor alignment, the connector of a product is damaged, the test service life of the buckle type connector is short, and the test cost and the maintenance cost are increased.

Specifically, in this embodiment, when using the liquid crystal display testing device, a user may replace the PIN mold 3 and the interposer 2 according to the connector pitch and the number of PIN PINs of the liquid crystal display to be tested, so that the connector pitch and the number of PIN PINs of the PIN mold 3 and the interposer 2 correspond to the connector pitch and the number of PIN PINs of the liquid crystal display to be tested, and the FPC connector can be accurately placed in the PIN mold 3 in an aligned manner for positioning; because the needle die 3 is installed on the fixed position of the adapter plate 2, when a user presses the movable assembly 4, the movable pressing strip of the movable assembly 4 is pressed down, and the FPC golden finger of the liquid crystal display screen to be tested can be in good contact with the golden finger area of the adapter plate 2 through the upper contact point and the lower contact point of the needle die 3. After the test is finished, the user only needs to lift the movable assembly 4, and then the product can be taken down for testing the next product.

In this embodiment, the bottom plate 1 is a lower-layer base of the liquid crystal display testing device, the adapter plate 2 may be configured on the bottom plate 1 in a screw fixing manner, and the adapter plate 2 may be replaced and selected according to a PIN pitch of the connector; the adapter plate 2 is connected with a to-be-tested jig through an interface so as to provide a driving signal for a to-be-tested product. The PIN die 3 can be configured on the adapter plate 2 in a screw fixing mode, and the PIN die 3 can be replaced and selected according to the PIN spacing and the PIN number of the connector. It should be noted that, in other embodiments, fixing manners of other types of structures may also be adopted, which is not specifically limited herein, but these aspects are all within the protection scope of the present invention.

In a possible embodiment of the present invention, the testing device further includes a testing platform 5, and the bottom plate 1 is disposed on the testing platform 5.

Specifically, in this embodiment, each component of the lcd testing apparatus is placed on the testing platform 5, and during testing, the testing platform 5 is placed on a horizontal plane, so that the user can move the movable component to press the pin mold 3. The test platform 5 can be bakelite with the size of 8mm, the electricity-proof coefficient of the bakelite is high, and the application scene is wide. It should be noted that, in other embodiments, a test platform with other types of structures may also be adopted, which is not specifically limited herein, but these solutions are all within the protection scope of the present invention.

Referring to fig. 3, in a possible embodiment of the present invention, the needle mold 3 includes a fixing plate 31 disposed on the converting plate 2, an aligning plate 32 disposed at an upper end of the fixing plate 31, a spring assembly 33, a needle sheath 34 detachably disposed on the fixing plate 31, and a connecting module 35 detachably disposed on the needle sheath 34;

a first end face of the spring assembly 33 abuts against a lower end face of the alignment plate 32, a second end face of the spring assembly 33 abuts against an upper end face of the fixing plate 31, an upper contact point of the connection module 35 is used for being in contact connection with an FPC connector, and a lower contact point of the connection module 35 is in contact connection with the adapter plate 2;

when the positioning plate 32 is in the open position, the spring assembly 33 is not pressed downwards, the spring assembly 33 keeps in a default state, the upper contact point of the connecting module 35 is not in contact connection with the FPC connector placed in the positioning area of the positioning plate 32, when the positioning plate 32 is in the pressing position, the spring assembly 33 is pressed downwards, the spring assembly 33 is compressed, and the upper contact point of the connecting module 35 is in contact connection with the FPC connector placed in the positioning area of the positioning plate 32.

Specifically, in this embodiment, the upper half portion of the pin mold 3 is the alignment plate 32, and the alignment plate 32 functions to position the FPC connector area accurately in the pin mold 3 for positioning. The middle part of the needle module 3 is the fixing plate 31, and the fixing plate 31 is used for fixedly mounting the needle sleeve 34. The lower half part of the needle module 3 is the needle guard 34, and the needle guard 34 is used for installing and fixing the connection module 35 to play a role in testing connection. When the male seat and the female seat of different models need to be used in the test, the user can replace the needle sleeve 34 with the connector PIN interval and the PIN number of the product to be tested.

In this embodiment, a positioning area is set in the front slot of the alignment plate 32, so that the FPC connector area can be accurately positioned and placed in the pin mold 3 for positioning; the alignment area is provided with two rows of slots, and the connecting module 35 protects and extends out. Four steel columns are further mounted at the bottom of the aligning plate 32 and used for positioning the aligning plate 32 on the needle sleeve 34 to prevent the aligning plate 32 from moving and being dislocated. The alignment plate 32 can be made of epoxy resin, and has high wear-resisting coefficient and antistatic property; it should be noted that, in other embodiments, alignment plates with other types of structures may also be adopted, which is not specifically limited herein, but these solutions are all within the protection scope of the present invention.

In this embodiment, the spring assembly 33 includes four springs, the alignment plate 32 can be fixed on the fixing plate 31 by using a height-limiting screw, and the upper end pressure acts on the fixing plate 31 to compress the springs, exposing the upper contact point of the connecting module 35, which is in contact with the connector. When no pressure acts on the upper end, the alignment plate 32 rises, the upper contact point of the connecting module 35 is protected in the alignment plate 32, and external force bending and dirt can be prevented.

In one possible embodiment of the present invention, the connection module 35 may be a copper sheet.

Specifically, in the present embodiment, the copper sheet is a glossy heavy metal sheet-like object made of metallic copper, and the copper sheet is a good conductor, which has better conductivity than aluminum and iron, better ductility, and high thermal and electrical conductivity, and thus is the most commonly used material for cables and electronic components, and is also used as a building material,

can form a plurality of alloys and has wide use scenes.

Referring to fig. 4, in the present embodiment, the copper plate is provided with an upper contact point for contacting with the connector, a lower contact point for contacting with the adapter plate 2, and a fixing piece for fixing in the needle sheath 34. When the needle sleeve 34 is fixedly installed on the adapter plate 2, the lower contact point elastically compresses and stresses to contact the adapter plate 2, and the upper contact point elastically compresses and stresses to contact the connector under the action of upper end pressure, so that the two ends are electrically connected through the copper sheets. The copper sheet only makes the connector with contact compression under the extruded condition is connected to keysets 2, as long as connector PIN interval, PIN quantity is the same can directly use, need not to change keysets 2, only need according to the interface definition of product change the wiring mode can, improve the commonality of testing the frame. It should be noted that, in other embodiments, connection modules with other types of structures may also be adopted, which are not specifically limited herein, but these solutions are all within the protection scope of the present invention.

In one possible embodiment of the present invention, the pin mold 3 further includes a magnet 36 disposed on the alignment plate, and the magnet 36 is configured to fix the position of the FPC connector placed on the alignment area of the alignment plate 32.

Specifically, in the present embodiment, the magnet 36 is set by slotting the rear end of the alignment plate 32, and the magnet 36 can adsorb the connector steel sheet PI reinforcing plate, so as to prevent the FPC from bouncing after being placed in the alignment area due to toughness.

Referring to fig. 5 to 6, in one possible embodiment of the present invention, the upper center of the needle sheath 34 is formed with double-row slots, the left side of the lower end of the needle sheath 34 is formed with a first slot 341 and a second slot 342, the right side of the lower end of the needle sheath is formed with a third slot 343 and a fourth slot 344, and the center of the lower end of the needle sheath 34 is formed with a fifth slot 345 and a sixth slot 346;

wherein the fifth notch 345 and the sixth notch 346 are connected to a left end of the connection module 35, the first notch 341 and the fourth notch 344 are connected to a right end of the connection module 35, and the second notch 342 and the third notch 343 are connected to a middle end of the connection module 35.

Specifically, in this embodiment, a plurality of copper sheets are installed in the needle guard 34, and two rows of slotted holes are formed at the upper end of the needle guard 345, and are used for leading out contact points on the copper sheets. The lower end of the needle guard 34 is provided with six rows of slotted holes for mounting and fixing copper sheets. The fifth notch 345 and the sixth notch 346 in the middle two rows fix the left end of the copper sheet, the first notch 341 and the fourth notch 344 fix the right end of the copper sheet, and the second notch 342 and the third notch 343 fix the middle end of the copper sheet.

In this embodiment, four mounting columns are further disposed at four corners of the needle sheath 34, respectively, and the mounting columns are configured with the positioning holes on the adapter plate 2, so that the needle sheath 34 is fixedly mounted on the adapter plate 2. It should be noted that, in other embodiments, other needle sleeves with other types of structures may also be adopted, which is not specifically limited herein, but these solutions are all within the protection scope of the present invention.

Referring to fig. 1, in a possible embodiment of the present invention, the movable assembly 4 includes a movable plate 41 movably disposed on a side end surface of the bottom plate 1, and a pressing module 42 disposed on the movable plate 41;

wherein the movable plate 41 is configured to be switched between an open position in which an upper end surface of the needle mold 3 is exposed and a pressed position in which the pressing module 42 abuts against the alignment area of the alignment plate 32, and the upper contact point of the connection module 35 is in contact connection with the FPC connector placed on the alignment area of the alignment plate 32.

In a possible embodiment of the present invention, the device further comprises a buckle 6 disposed on the bottom plate 1 and a pressing buckle 7 disposed on the movable plate 41, wherein when the device is in the open position, the buckle 6 is separated from the pressing buckle 7, and when the device is in the press position, the pressing buckle 7 is connected to the buckle engaging portion 6.

Specifically, in the present embodiment, the side end of the bottom plate 2 is linked with the movable plate 41, and is further linked with a spring for automatically bouncing up the movable plate 41; the pressing buckle 7 is correspondingly mounted at the front end of the movable plate 41, and a spring is mounted inside the pressing buckle 7 and has elasticity; the buckle 6 is installed on the bottom plate 1 at a position opposite to the pressing buckle 7, and the pressing buckle 7 and the buckle 6 are used for pressing under the test, so that the bottom plate 1 is clamped and fixed with the movable plate 41. The FPC connector is placed in the aligning plate 32, the movable plate 41 is pressed down, the pressing buckle 7 is buckled in the buckle 6, the pressing module 42 is arranged at the position, opposite to the corresponding position of the aligning plate 32, on the movable plate 41, the pressing module 42 has elasticity, so that the connector presses the copper sheet to be in contact with the adapter plate 2 below, and testing can be conducted. After the test is finished, the press buckle 7 is pressed and lifted, the movable plate 41 automatically bounces under the action of the elastic force of the spring, and then the product can be taken down for the next product test.

In conclusion, the liquid crystal display testing device solves the problem that the snap-in liquid crystal display is inconvenient to test, only the movable plate 41 needs to be controlled to pick and place products during testing, and the operation is simple and convenient; a user can test liquid crystal display screens of connectors of different models only by replacing the needle die 3, the adapter plate 2 and the fixing screws according to the corresponding connectors, so that the wire replacing efficiency is improved, and the jig cost is saved; the liquid crystal display testing device conducts electricity by using the copper sheet, so that the service life of the liquid crystal display testing device is prolonged, the maintenance time is shortened, and the copper sheet and the movable plate 41 have elasticity, so that the connector can be prevented from being deformed after being pressed.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims

1. A liquid crystal screen testing device is characterized by comprising: the device comprises a base plate, an adapter plate detachably arranged on the base plate, a pin mold arranged on the adapter plate, and a movable assembly movably arranged on the side end face of the base plate;

2. The LCD screen testing device of claim 1, further comprising a testing platform, wherein the bottom plate is disposed on the testing platform.

3. The liquid crystal display testing device of claim 1, wherein the needle module comprises a fixing plate disposed on the adapter plate, an alignment plate disposed on an upper end of the fixing plate, a spring assembly, a needle sleeve detachably disposed on the fixing plate, and a connection module detachably disposed on the needle sleeve;

the first end face of the spring assembly is abutted with the lower end face of the alignment plate, the second end face of the spring assembly is abutted with the upper end face of the fixing plate, the upper contact point of the connection module is used for being in contact connection with the FPC connector, and the lower contact point of the connection module is in contact connection with the adapter plate;

4. The liquid crystal screen testing device of claim 3, wherein the connecting module is a copper sheet.

5. The LCD screen testing device of claim 3, wherein the pin die further comprises a magnet disposed on the alignment plate, wherein the magnet is configured to fix the position of the FPC connector placed on the alignment area of the alignment plate.

6. The liquid crystal screen testing device according to claim 3, wherein a double row of slots are formed in the center of the upper end of the needle guard, a first slot and a second slot are formed in the left side of the lower end of the needle guard, a third slot and a fourth slot are formed in the right side of the lower end of the needle guard, and a fifth slot and a sixth slot are formed in the center of the lower end of the needle guard;

7. The lcd panel testing device according to claim 3, wherein the movable assembly includes a movable plate movably disposed on the bottom plate side end surface, and a pressing module disposed on the movable plate;

8. The device as claimed in claim 7, further comprising a latch disposed on the bottom plate and a press button disposed on the movable plate, wherein the latch is separated from the press button in the open position and the press button is engaged with the latch in the press position.