CN210428015U

CN210428015U - ESD protection structure for COG liquid crystal screen

Info

Publication number: CN210428015U
Application number: CN201921702746.1U
Authority: CN
Inventors: 陈光仕; 林文辉; 包明明; 余晶
Original assignee: Nanjing Hongshide Information Technology Co Ltd
Current assignee: Nanjing Hongshide Information Technology Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-04-28
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses an ESD protection architecture that COG LCD screen was used especially relates to display control technical field, including base plate, first curb plate, roof and second curb plate. Through the second fiber mesh in the top plate, the third fiber meshes in the second side plates on the front side and the rear side and the first fiber meshes in the first side plates on the left side and the right side, the electrostatic protection of the electronic elements on the substrate can be carried out in an all-around manner while the heat dissipation of the electronic elements on the substrate is not hindered, so that the electrostatic protection effect is improved; when electronic component on the base plate needs to be changed, the top plate is lifted upwards, the top plate and the second side plate can be separated from the first side plate along with separation of the second inserting strip and the second inserting groove and separation of the side strip and the side groove, so that the top plate and the second side plate can be conveniently changed along with disassembly of the top plate and the second side plate, and the technical problem that the electrostatic protection effect is too poor due to the fact that the electrostatic protection effect is difficult to carry out on the electronic component on the base plate in an all-round mode in the prior art is solved.

Description

ESD protection structure for COG liquid crystal screen

Technical Field

The utility model relates to a show control technical field, especially relate to an ESD protection architecture that COG LCD screen was used.

Background

Industrial, vehicular, medical COG liquid crystal display, the customer industry, on-vehicle, industries such as medical treatment have mandatory requirement to ESD protection, COG liquid crystal display has the characteristics of low power consumption and low cost, conventional ESD protection structure is to do metal shielding layer, the shielding layer is complete as far as possible, reduce opening and gap as far as possible, for example a closed iron shell, can shield the static to the utmost extent like this, even the iron shell ground connection is not very good, because of the effect of metal shielding, static also is difficult to get into the host computer circuit, make the effect of ESD protection, and the ESD protection structure for COG liquid crystal screen at present is difficult to carry out the electrostatic protection of electronic component on the base plate in all-round, lead to electrostatic protection's effect too poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ESD protection architecture that COG LCD screen was used to solve the electrostatic protection that is difficult to the omnidirectional that exists among the prior art and carries out electronic component on the base plate, lead to electrostatic protection's the too poor technical problem of effect.

In order to solve the above problem, the utility model provides a following technical scheme: an ESD protection structure for a COG liquid crystal screen comprises a substrate, two first side plates, a top plate and two second side plates, wherein first slots are formed in the left side and the right side of the upper end of the substrate, the number of the first side plates is two, the two first side plates are respectively clamped on the left side and the right side of the upper end of the substrate, a first inserting strip is fixedly connected to the lower end of each first side plate, the first inserting strips are inserted into the first slots on the same side, circular grooves are formed in the front end and the rear end of each first inserting strip, a spring is embedded and fixed at the bottom of each circular groove, a clamping block is connected to the other end of each spring, clamping grooves are formed in the front end and the rear end of the inner wall of each first inserting groove, the clamping blocks are inserted into the clamping grooves on the same side, a second slot is formed in the upper end of each first side plate, the top plate is clamped at the upper ends of the two first side plates, the two second side plates are respectively fixed on the front side and the rear side of the lower end of the top plate, the second side plates are located between the second inserting strips, the second side plates are located between the first side plates and clamped with the first side plates, the length of the second side plates is equal to the distance between the first side plates, side grooves are formed in the front side and the rear side of one end, close to the second side plates, of each first side plate, and side strips are bonded at the left end and the right end of each second side plate through adhesives; every first curb plate right-hand member middle part has all link up first frame mouth, every first frame mouth inner wall homogeneous phase connects first fibre web, roof upper end middle part has link up second frame mouth, second frame mouth inner wall looks meet second fibre web, every second curb plate front end middle part has all link up third frame mouth, every third frame mouth inner wall homogeneous phase connects the third fibre web.

Further, the first side plate, the top plate and the second side plate are all made of iron.

Further, the first fiber web, the second fiber web and the third fiber web are all woven by conductive fibers.

Furthermore, the second inserting strip and the side strip are made of rubber magnetic strips, the second inserting strip is inserted into the second slot and is mutually attracted with the first side plate, and the side strip is inserted into the side slot and is mutually attracted with the first side plate.

Furthermore, third slots are formed in the front side and the rear side of the upper end of the base plate, a third inserting strip is bonded to the lower end of each second side plate through an adhesive, the third inserting strips are correspondingly spliced with the third slots one by one, and the third inserting strips are rubber strips.

Furthermore, the side groove is communicated with the second slot on the same side, and the side strip is attracted with the second inserting strip on the same side.

Technical scheme more than combining, the utility model discloses the beneficial effect analysis of bringing is as follows: according to the ESD protection structure for the COG liquid crystal screen, the second fiber mesh in the top plate, the third fiber meshes in the second side plates on the front side and the rear side and the first fiber meshes in the first side plates on the left side and the right side can carry out electrostatic protection on electronic elements on the substrate in an all-around manner while heat dissipation of the electronic elements on the substrate is not hindered, so that the electrostatic protection effect is improved; when electronic elements on the base plate need to be replaced, the top plate is lifted upwards, the top plate and the second side plate can be separated from the first side plate along with separation of the second inserting strip and the second inserting groove and separation of the side strip and the side groove, and therefore electronic elements on the base plate can be replaced conveniently along with disassembly of the top plate and the second side plate.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

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

FIG. 2 is a schematic overall exploded view of the present invention;

fig. 3 is an enlarged view of a portion a of the substrate of fig. 2.

In the figure: 1-substrate, 2-first side plate, 3-first frame opening, 4-first fiber net, 5-top plate, 6-second frame opening, 7-second fiber net, 8-second side plate, 9-third frame opening, 10-third fiber net, 11-first slot, 12-first inserting strip, 13-clamping slot, 14-second slot, 15-side slot, 16-second inserting strip, 17-side strip, 18-third inserting strip, 19-third slot, 20-spring, 21-clamping block and 22-circular slot.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present 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.

As shown in fig. 1 to 3, an ESD protection structure for a COG liquid crystal display includes a substrate 1, a first side plate 2, a top plate 5 and a second side plate 8, wherein first slots 11 are formed on both sides of the upper end of the substrate 1, two first side plates 2 are provided, the two first side plates 2 are respectively fastened to both sides of the upper end of the substrate 1, a first insert 12 is fixedly connected to the lower end of each first side plate 2, the first insert 12 is inserted into the first slot 11 on the same side, circular slots 22 are provided at both ends of the first insert 12, a spring 20 is fixedly embedded in the bottom of each circular slot 22, a clamping block 21 is connected to the other end of each spring 20, clamping slots 13 are provided at both ends of the inner wall of each first slot 11, the clamping block 21 is inserted into the clamping slots 13 on the same side, a second slot 14 is provided at the upper end of each first side plate 2, the top plate 5 is connected to the upper ends of the two first side plates 2 in a clamped manner, the left side and the right side of the lower end of the top plate 5 are both bonded with second inserting strips 16 through adhesives, the number of the second side plates 8 is two, the two second side plates 8 are respectively fixed on the front side and the rear side of the lower end of the top plate 5, the second side plates 8 are positioned between the second inserting strips 16, the second side plates 8 are positioned between the first side plates 2 and are connected with the first side plates 2 in a clamped manner, the length of each second side plate 8 is equal to the distance between the first side plates 2, side grooves 15 are respectively arranged on the front side and the rear side of each first side plate 2 close to one end of each second side plate 8, side strips 17 are bonded at the left end and the right end of each second side plate 8 through adhesives, the first side plates 2, the top plate 5 and the second side plates 8 are made of iron, and the second inserting strips 16, the second inserting strip 16 is inserted into the second slot 14 and attracted with the first side plate 2, the side strip 17 is inserted into the side groove 15 and attracted with the first side plate 2, the side groove 15 is communicated with the second slot 14 at the same side, the side strip 17 is attracted with the second inserting strip 16 at the same side,

firstly, the first side plate 2 is inserted to the first slot 11 positions at the front and rear sides of the upper end of the base plate 1, so that the first inserting strips 12 under the first side plate 2 can be inserted into the first slot 11, meanwhile, the springs 20 in the circular grooves 22 can be inserted into the clamping grooves 13 in the first slot 11 against the clamping blocks 21, so that the first side plate 2 is clamped at the front and rear sides of the upper end of the base plate 1 along with the clamping of the first inserting strips 12 and the first slot 11, then the top plate 5 is covered on the first side plate 2, so that the second inserting strips 16 at the left and right sides of the lower end of the top plate 5 are inserted into the second slot 14 on the first side plate 2 to be attracted with the first side plate 2, in addition, the second side plates 8 at the front and rear sides of the lower end of the top plate 5 can slide into the first side plate 2 to be attached to the first side plate 2, and the side strips 17 at the left and right sides of the second side plate 8 can be, so that the top panel 5 and the second side panel 8 are both engaged with the first side panel 2.

As shown in fig. 1 to 2, preferably, a first frame opening 3 penetrates through a middle portion of a right end of each first side plate 2, a first fiber net 4 is connected to an inner wall of each first frame opening 3, a second frame opening 6 penetrates through a middle portion of an upper end of the top plate 5, a second fiber net 7 is connected to an inner wall of each second frame opening 6, a third frame opening 9 penetrates through a middle portion of a front end of each second side plate 8, a third fiber net 10 is connected to an inner wall of each third frame opening 9, the first fiber net 4, the second fiber net 7 and the third fiber net 10 are woven by conductive fibers, and the first fiber net 4 in the first frame openings 3 in the first side plates 2 on the left side and the right side and the second frame openings 6 in the top plate 5, the third fiber net 10 in the third frame openings 9 in the second side plates 8 on the front side and the rear side and the second side are woven by conductive fibers and the first fiber nets 4 in the first frame openings 3 in the first side plates 2 made of iron, The second side plate 8 and the top plate 5 can play a role in electrostatic shielding, and the first side plate 2, the second side plate 8 and the top plate 5 are matched to surround the five ends of the substrate 1 in front, back, left and right directions, so that the electrostatic protection of the electronic elements on the substrate 1 can be carried out in an all-around manner while the heat dissipation of the electronic elements on the substrate 1 is not hindered, and the electrostatic protection effect is improved.

When electronic components on the substrate 1 need to be replaced, the top plate 5 is lifted upwards, the top plate 5 and the second side plate 8 can be separated from the first side plate 2 along with the separation of the second inserting strip 16 and the second inserting groove 14 and the separation of the side strip 17 and the side groove 15, so that the front end and the rear end of the substrate 1 are opened along with the separation of the top plate 5 and the second side plate 8, and further the electronic components on the substrate 1 are convenient to replace.

As shown in fig. 2, further, third slots 19 are formed in the front side and the rear side of the upper end of the substrate 1, a third inserting strip 18 is bonded to the lower end of each second side plate 8 through an adhesive, the third inserting strips 18 are correspondingly inserted into the third slots 19 in a one-to-one manner, the third inserting strips 18 are rubber strips, and when the second side plates 8 are inserted between the first side plates 2, the third inserting strips 18 are inserted into the third slots 19 on the substrate 1, so that the sealing performance between the second side plates 8 and the substrate 1 is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an ESD protection architecture that COG LCD screen was used, includes base plate (1), first curb plate (2), roof (5) and second curb plate (8), its characterized in that:

the left side and the right side of the upper end of the base plate (1) are provided with first slots (11), the number of the first side plates (2) is two, the first side plates (2) are respectively connected with the left side and the right side of the upper end of the base plate (1), the lower end of each first side plate (2) is fixedly connected with a first insert (12), the first insert (12) is spliced with the first slots (11) on the same side, circular slots (22) are respectively formed at the front end and the rear end of the first insert (12), springs (20) are respectively embedded and fixed at the bottoms of the circular slots (22), the other end of each spring (20) is connected with a clamping block (21), clamping grooves (13) are respectively formed at the front end and the rear end of the inner wall of each first slot (11), the clamping blocks (21) are spliced with the clamping grooves (13) on the same side, and second slots (14) are respectively formed at the upper end of each first side plate, the top plate (5) is clamped at the upper ends of the two first side plates (2), the left side and the right side of the lower end of the top plate (5) are respectively bonded with second inserting strips (16) through adhesives, the number of the second side plates (8) is two, the two second side plates (8) are respectively fixed at the front side and the rear side of the lower end of the top plate (5), the second side plates (8) are positioned between the second inserting strips (16), the second side plates (8) are positioned between the first side plates (2) and are clamped with the first side plates (2), the length of each second side plate (8) is equal to the distance between the first side plates (2), side grooves (15) are respectively formed in the front side and the rear side of one end, close to each second side plate (8), of each first side plate (2), and side strips (17) are bonded at the left end and the right end of each second side plate (8) through adhesives; every first curb plate (2) right-hand member middle part has all link up first frame mouth (3), every first frame mouth (3) inner wall homogeneous phase has connect first fibre web (4), roof (5) upper end middle part has link up second frame mouth (6), second frame mouth (6) inner wall has linked up second fibre web (7), every second curb plate (8) front end middle part has all link up third frame mouth (9), every third frame mouth (9) inner wall homogeneous phase has connect third fibre web (10).

2. The ESD protection structure for COG liquid crystal panel according to claim 1, wherein: the first side plate (2), the top plate (5) and the second side plate (8) are all made of iron.

3. The ESD protection structure for COG liquid crystal panel according to claim 1, wherein: the first fiber net (4), the second fiber net (7) and the third fiber net (10) are all formed by weaving conductive fibers.

4. The ESD protection structure for COG liquid crystal panel according to claim 2, wherein: the second inserting strip (16) and the side strips (17) are made of rubber magnetic strips, the second inserting strip (16) is inserted into the second slot (14) and mutually attracted with the first side plate (2), and the side strips (17) are inserted into the side slots (15) and mutually attracted with the first side plate (2).

5. The ESD protection structure for COG liquid crystal panel according to claim 1, wherein: the front side and the rear side of the upper end of the base plate (1) are respectively provided with a third slot (19), the lower end of each second side plate (8) is bonded with a third inserting strip (18) through an adhesive, the third inserting strips (18) are correspondingly spliced with the third slots (19) one by one, and the third inserting strips (18) are rubber strips.

6. The ESD protection structure for COG liquid crystal panel according to claim 4, wherein: the side groove (15) is communicated with the second slot (14) at the same side, and the side strip (17) is attracted with the second inserting strip (16) at the same side.