CN216286635U - Prevent projection formula capacitive touch screen of static - Google Patents

Abstract

The utility model discloses an anti-static projection type capacitive touch screen, and relates to the technical field of capacitive touch screens. The touch screen comprises a touch screen main body, wherein a limiting frame body is arranged on the outer wall of the touch screen main body, cover plate glass is arranged at the top of the touch screen main body, and sensor glass is arranged at the bottom of the cover plate glass. Through setting up package ground silver thick liquid line, make it encircle the circuit setting through the dual quadrangle with the ring closes the ground wire, effectively use inside the production to the device to conduct the release, and cover plate glass and the sensor glass that raw material set up through indium tin oxide semiconductor film, effectively use the static that produces to the touch screen to carry out the separation, each touch-sensitive screen internal layering through transparent optical cement adhesion simultaneously, effectively strengthen the anti-static ability of device, and through the setting of spacing framework and location bayonet catch, effectively carry out spacing installation to each layering of device inside, and then the installation of convenient device is used, improve its practicality.

Description

Prevent projection formula capacitive touch screen of static

Technical Field

The utility model relates to the technical field of capacitive touch screens, in particular to an anti-static projection type capacitive touch screen.

Background

The capacitive touch screen is manufactured by coating one or more layers of conductive materials (such as Indium Tin Oxide (ITO)) on a base material, and then is in sealing fit with a protective cover plate to protect an electrode; when other conductive bodies, such as a bare finger or a conductive pen, touch its surface, an electronic circuit is formed there, and a sensor embedded in glass detects the position of a current, thereby completing a touch operation.

At present current capacitive touch screen in use can produce static because the friction of finger and screen to make the human body can have static, this electrostatic interference, under dry environment, when using capacitive touch screen, influence the precision of touch screen, probably damage the touch screen, make touch screen functional failure and very permanent damage, the heat that produces in the use simultaneously is difficult for discharging, it is good to easily cause great heat loss to its internal circuit, reduce its life, and the structure of current capacitive touch screen is comparatively complicated, it is comparatively inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-static projection type capacitive touch screen which has the advantages of static resistance, easiness in heat dissipation and simple structure, and solves the problems that a common capacitive touch screen is not anti-static, is easy to dissipate heat and is simple in structure.

In order to realize the purposes of static electricity prevention, easy heat dissipation and simple structure, the utility model provides the following technical scheme: the utility model provides an prevent electrostatic projection formula capacitive touch screen, includes the touch-sensitive screen main part, the outer wall of touch-sensitive screen main part is provided with spacing framework, the top of touch-sensitive screen main part is provided with cover plate glass, cover plate glass's bottom is provided with sensor glass, sensor glass's bottom is provided with the conducting layer, the bottom of conducting layer is provided with the display screen, the bottom of display screen is provided with circuit substrate.

Furthermore, the corners all around of spacing framework all are provided with the connection fixture block, the thermovent has been seted up to the inner diapire of spacing framework, the inner wall of thermovent is provided with heat dissipation channel, heat dissipation channel's inner wall is provided with the dust net.

Further, inner bottom wall of circuit substrate is provided with package ground silver thick liquid line and ring closure ground wire respectively, package ground silver thick liquid line and ring closure ground wire all set up to the quadrangle and encircle the circuit, and package ground silver thick liquid line cup joints the periphery that sets up at ring closure ground wire.

Furthermore, the center of the inner bottom of the circuit substrate is provided with a data transmission plate, and the data transmission plate is electrically connected with the ground-covering silver paste line and the ring-closed ground line respectively.

Furthermore, the inside conducting layer and the inside of display screen are run through respectively to the one end of location gim peg all is provided with the location gim peg in circuit substrate's the interior bottom edge all around to extend to sensor glass's diapire, and circuit substrate passes through the location gim peg and the activity of sensor glass is pegged graft.

Furthermore, the cover plate glass, the sensor glass, the conducting layer and the display screen are adhered through transparent optical glue, and the cover plate glass and the sensor glass are both made of indium tin oxide semiconductor thin film raw materials.

Compared with the prior art, the utility model provides an anti-static projection type capacitive touch screen, which has the following beneficial effects:

1. this prevent projection formula capacitive touch screen of static, through setting up package ground silver thick liquid line, make it encircle the circuit setting through the dual quadrangle with the ring closes the ground wire, effectively use inside the production to the device to conduct the release, and cover plate glass and the sensor glass that raw material set up through indium tin oxide semiconductor film, effectively use the static that produces to the touch screen to carry out the separation, each touch-sensitive screen inside layering through transparent optical cement adhesion simultaneously, effectively strengthen the anti-static ability of device, and through the setting of spacing framework and location trip, effectively carry out spacing installation to each layering inside the device, and then the installation of convenient device is used, improve its practicality.

2. This prevent projecting formula capacitive touch screen of static, through setting up spacing framework, make its effective spacing equipment to the touch-sensitive screen main part, and through the setting of its diapire radiating channel inside the radiating hole, effectively derive the heat that the device used the production, simultaneously through the dust screen, the inside of its dust of effective separation through radiating channel invasion touch-sensitive screen main part, and then guarantee the stability of its use, and the device structure sets up simply, effectively fix a position the inside each layering of device through the locator card bolt, and then convenient its equipment is used, strengthen its usability.

Drawings

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

FIG. 2 is a schematic structural diagram of a spacing frame of the present invention;

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

FIG. 4 is a side cross-sectional view of the utility model taken at a square elevation;

fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a touch screen main body; 2. a limiting frame body; 201. a heat dissipation port; 202. a heat dissipation channel; 203. a dust blocking net; 204. connecting a clamping block; 3. cover plate glass; 4. a sensor glass; 5. a conductive layer; 6. a display screen; 7. a circuit substrate; 701. wrapping ground silver paste lines; 702. a data transmission board; 703. a closed-loop ground wire; 704. and positioning the clamping bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the utility model discloses an anti-static projection type capacitive touch screen, which comprises a touch screen main body 1, wherein a limiting frame body 2 is arranged on the outer wall of the touch screen main body 1, a cover plate glass 3 is arranged on the top of the touch screen main body 1, a sensor glass 4 is arranged at the bottom of the cover plate glass 3, a conductive layer 5 is arranged at the bottom of the sensor glass 4, a display screen 6 is arranged at the bottom of the conductive layer 5, and a circuit substrate 7 is arranged at the bottom of the display screen 6.

Specifically, the corner all around of spacing framework 2 all is provided with connects fixture block 204, thermovent 201 has been seted up to spacing framework 2's inner diapire, thermovent 201's inner wall is provided with heat dissipation channel 202, heat dissipation channel 202's inner wall is provided with dust blocking net 203 for the device is through the setting of connecting fixture block 204, and the use of convenient the device is connected, and then effectively through the setting of thermovent 201 inside heat dissipation channel 202, derives the heat that the device used the production, simultaneously through dust blocking net 203, effectively blocks its dust and invades the inside of touch-sensitive screen main part 1 through heat dissipation channel 202, and then ensures the stability of its use.

Specifically, the inner bottom wall of circuit substrate 7 is provided with package ground silver thick liquid line 701 and ring closure ground line 703 respectively, package ground silver thick liquid line 701 and ring closure ground line 703 all set up to the quadrangle and encircle the circuit, and package ground silver thick liquid line 701 cup joints the periphery that sets up at ring closure ground line 703 for the device effectively encircles package ground silver thick liquid line 701 and ring closure ground line 703 that the circuit set up through the quadrangle, effectively uses inside the production to conduct the release to the device, promotes its conduction efficiency.

Specifically, the interior bottom center department of circuit substrate 7 is provided with data transmission board 702, data transmission board 702 respectively with package ground silver thick liquid line 701 and ring closure ground line 703 electric connection for the device effectively carries out the receipt and the conduction of data through data transmission board 702, and through with package ground silver thick liquid line 701 and ring closure ground line 703's electric connection, the derivation of the static of being convenient for reduces the device wearing and tearing, strengthens its durability.

Specifically, the interior bottom of circuit substrate 7 all is provided with location card bolt 704 all at the edge all around, the inside of conducting layer 5 and display screen 6 is run through respectively to the one end of location card bolt 704 to extend to sensor glass 4's diapire, and circuit substrate 7 pegs graft with sensor glass 4 activity through location card bolt 704, makes the device when the equipment uses, fixes a position the installation through location card bolt 704 to each inside layering of device, reduces its assembled connection's deviation, promotes its goodness of fit, makes things convenient for subsequent installation to use.

Specifically, all adhere through transparent optical glue between cover plate glass 3, sensor glass 4, conducting layer 5 and display screen 6, cover plate glass 3 and sensor glass 4 all adopt the former material setting of indium tin oxide semiconductor film for the device passes through cover plate glass 3 and the sensor glass 4 that the former material of indium tin oxide semiconductor film set up, effectively carries out the separation to the static that the touch screen used to produce, and each touch screen internal part layering through transparent optical glue adhesion simultaneously strengthens the antistatic performance of device.

The working principle and the using process of the utility model are as follows: when in use, the limiting frame body 2 is used for effectively limiting and assembling the touch screen main body 1, the positioning clamping bolt 704 and the transparent optical glue are used for positioning, adhering and installing the inner part of each touch screen, furthermore, the ground wrapping silver paste line 701 is arranged by surrounding a double quadrilateral circuit with the surrounding ground line 703, so that the conduction release generated inside the device is effectively carried out, and through a cover glass 3 and a sensor glass 4 which are arranged by indium tin oxide semiconductor thin film raw materials, the static electricity generated by the touch screen is blocked, the anti-static capability of the touch screen is enhanced, meanwhile, the heat generated by the device is effectively led out through the arrangement of the heat dissipation channel 202 in the heat dissipation port 201, meanwhile, through the dust blocking net 203, dust of the touch screen is effectively blocked from invading into the touch screen main body 1 through the heat dissipation channel 202, so that the use stability of the touch screen main body is guaranteed, and the operation of the touch screen.

To sum up, this prevent projection formula capacitive touch screen of static, through setting up spacing framework 2, make its effective spacing equipment to touch-sensitive screen main part 1, and through the setting of the inside heat dissipation channel 202 of its diapire thermovent 201, effectively derive the heat that the device used the production, simultaneously through dust blocking net 203, its dust of effective separation invades the inside of touch-sensitive screen main part 1 through heat dissipation channel 202, and then guarantee the stability of its use, and the device structure sets up simply, effectively fix a position the inside each layering of device through location bayonet 704, and then convenient its equipment is used, strengthen its usability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An antistatic projection-type capacitive touch screen, comprising a touch screen body (1), characterized in that: the outer wall of touch-sensitive screen main part (1) is provided with spacing framework (2), the top of touch-sensitive screen main part (1) is provided with cover plate glass (3), the bottom of cover plate glass (3) is provided with sensor glass (4), the bottom of sensor glass (4) is provided with conducting layer (5), the bottom of conducting layer (5) is provided with display screen (6), the bottom of display screen (6) is provided with circuit substrate (7).

2. The projected capacitive touch screen of claim 1, wherein: the corner all around of spacing framework (2) all is provided with connects fixture block (204), thermovent (201) have been seted up to the inner bottom wall of spacing framework (2), the inner wall of thermovent (201) is provided with heat dissipation channel (202), the inner wall of heat dissipation channel (202) is provided with dust screen (203).

3. The projected capacitive touch screen of claim 1, wherein: the inner bottom wall of the circuit substrate (7) is provided with a ground covering silver paste line (701) and a ring closure ground line (703) respectively, the ground covering silver paste line (701) and the ring closure ground line (703) are both arranged to be quadrilateral surrounding lines, and the ground covering silver paste line (701) is sleeved on the periphery of the ring closure ground line (703).

4. The projected capacitive touch screen of claim 3, wherein: the circuit board is characterized in that a data transmission plate (702) is arranged at the center of the inner bottom of the circuit substrate (7), and the data transmission plate (702) is electrically connected with the ground wrapping silver paste line (701) and the annular closed ground line (703) respectively.

5. The projected capacitive touch screen of claim 1, wherein: the edge all around of the interior bottom of circuit substrate (7) all is provided with location card bolt (704), the inside of conducting layer (5) and display screen (6) is run through respectively to the one end of location card bolt (704) to extend to the diapire of sensor glass (4), and circuit substrate (7) are pegged graft through location card bolt (704) and sensor glass (4) activity.

6. The projected capacitive touch screen of claim 1, wherein: the cover plate glass (3), the sensor glass (4), the conducting layer (5) and the display screen (6) are adhered through transparent optical glue, and the cover plate glass (3) and the sensor glass (4) are all arranged by adopting indium tin oxide semiconductor thin film raw materials.

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