CN218868595U - Novel conductive foam and access control equipment using same - Google Patents

Abstract

The utility model discloses a novel cotton and use cotton entrance guard's equipment of this electrically conductive bubble of electrically conductive bubble, including bubble cotton, electrically conductive cloth, conducting resin and double faced adhesive tape, the cotton top surface of bubble is the arc surface, just the cotton surface parcel of bubble electrically conductive cloth, two through electrically conductive cloth interconnect between the bubble cotton, electrically conductive sticky subsides bubble cotton top surface just is located the top of electrically conductive cloth, double faced sticky subsides are in the both sides of bubble cotton top surface just are located the top of electrically conductive cloth. The utility model discloses a cotton electrostatic protection that both can realize the electronic display screen of electrically conductive bubble can avoid the electronic display screen to receive the extrusion again to solve the electronic display screen pressurized and lead to showing bad problem.

Description

Novel conductive foam and access control equipment using same

Technical Field

The utility model relates to a pressure sensitive adhesive technical field, in particular to novel cotton and use cotton entrance guard's equipment of this electrically conductive bubble of electrically conductive bubble.

Background

The pressure sensitive adhesive is a common material in the electronic field, and when the pressure sensitive adhesive is used for adhesion, pressure is required to be applied to the adhesion; if conductive particles are added to the colloid, the conductive colloid can be formed, but a certain pressure is also required to be applied to realize the conduction of current. The existing conductive foam just utilizes the characteristics of conductive adhesive, as shown in fig. 1, the conductive adhesive is placed at one end or two ends of the foam, and the conductive adhesive is connected through conductive cloth, so that the conductive foam is formed. As shown in figure 2, when the device is used, the gap between the object 1 and the object 2 is kept, the purpose of continuously applying pressure to the colloid is achieved, so that the up-and-down adhesion and current conduction are realized, and the effect of applying different pressures can be realized by adjusting the size of the gap.

Specifically, in the electron field, electrically conductive bubble is cotton can be used for avoiding electron electronic display screen to receive the electrostatic impact, and when object 1 was the PCB mainboard, object 2 was the electronic display screen, can set up electrically conductive bubble cotton in the centre, realized switching on the function through the extrusion between electronic display screen and the PCB mainboard to with the static direction PCB mainboard ground connection of electronic display screen. However, in the practical use process, in order to take cost and display effect into account, IPS or TN screens are generally selected, such electronic display screens have the disadvantage of not withstanding voltage, and even if the electronic display screens are extruded by a soft material such as conductive foam, the reaction force is exerted on the electronic display screens, the electronic display screens can generate the undesirable display phenomena such as yellowing or water ripple, and the use of the electronic display screens is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a novel electrically conductive bubble cotton and use this electrically conductive cotton entrance guard's equipment of bubble.

The utility model adopts the following technical scheme:

the utility model provides a novel electrically conductive bubble is cotton, includes the bubble cotton, electrically conducts cloth, conducting resin and double faced adhesive tape, the cotton top surface of bubble is the arc surface, just the cotton surface parcel of bubble electrically conducts cloth, two through electrically conducting cloth interconnect between the bubble cotton, electrically conducting adhesive pastes the cotton top surface of bubble just is located the top of electrically conducting cloth, double faced adhesive pastes the both sides of the cotton top surface of bubble just are located the top of electrically conducting cloth.

Furthermore, the included angle between the arc tangent of the arc surface of the foam and the horizontal plane is 10-90 degrees.

Furthermore, the foam is made of any one of EVA foam, EPE pearl foam or sponge.

Furthermore, the conductive cloth is made of any one of nickel-plated conductive cloth, gold-plated conductive cloth, carbon-plated conductive cloth and aluminum foil fiber composite cloth.

Further, the conductive adhesive is a pressure sensitive adhesive added with conductive particles.

Furthermore, the top surface of the foam is any one of a plurality of sections of arc surfaces, trapezoidal surfaces or a plurality of sections of trapezoidal surfaces.

The utility model provides an use cotton access control equipment of above-mentioned electrically conductive bubble, includes equipment shell, electronic display screen and PCB mainboard, the electronic display screen is installed on the equipment shell, the PCB mainboard is installed inside the equipment shell, the electrically conductive bubble is cotton to be installed clearance between electronic display screen and the PCB mainboard.

Furthermore, the conductive foam is bent downwards to form an inverted U-shaped structure, and two ends of the conductive foam are respectively adhered to the electronic display screen and the PCB main board through the double-sided adhesive.

Further, the PCB mainboard is grounded.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

1. the utility model discloses a conductive bubble is cotton both can realize the electrostatic protection of electronic display screen, can avoid electronic display screen to receive the extrusion again to solve electronic display screen pressurized and lead to showing bad problem.

Drawings

FIG. 1 is a structural diagram of a conventional conductive foam;

FIG. 2 is a schematic diagram of the conventional conductive foam;

fig. 3 is a structural diagram of the conductive foam of the present invention;

fig. 4 is a schematic view of an included angle between a circular arc tangent line of a foam circular arc surface and a horizontal plane of the present invention;

fig. 5 is a schematic view of the pasting process of the conductive foam of the present invention;

fig. 6 is a schematic diagram of the conductive foam of the present invention;

FIG. 7 is a structural diagram of the present invention when the top surface of the foam is a multi-section arc surface;

FIG. 8 is a structural diagram of the present invention when the top surface of the foam is trapezoidal;

fig. 9 is a structural diagram of the present invention when the top surface of the foam is a multi-section trapezoidal surface.

Description of the reference numerals:

100. soaking cotton; 110. a circular arc surface; 120. a plurality of sections of arc surfaces; 130. a trapezoidal surface; 140. a plurality of sections of trapezoidal surfaces; 200. conductive cloth; 300. a conductive adhesive; 400. and (4) double-sided adhesive tape.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Example one

As shown in fig. 3, a novel conductive foam 100 comprises foam 100, conductive cloth 200, conductive adhesive 300 and double-sided adhesive 400, the top surface of the foam 100 is an arc surface 110, the outer surface of the foam 100 wraps the conductive cloth 200, and the foam 100 is connected with the foam 100 through the conductive cloth 200, the conductive adhesive 300 is adhered to the top surface of the foam 100 and is located above the conductive cloth 200, and the double-sided adhesive 400 is adhered to both sides of the top surface of the foam 100 and is located above the conductive cloth 200.

As shown in fig. 4, an included angle between a circular tangent of the circular arc surface 110 of the foam 100 and a horizontal plane is 30 °. The size of the included angle can be adjusted according to the performance of the conductive adhesive 300, and the pressure applied to the conductive adhesive 300 can be adjusted by changing the included angle between the arc tangent of the arc surface 110 and the horizontal plane.

The material of the foam 100 is EVA foam 100. The conductive cloth 200 is made of nickel-plated conductive cloth 200. The conductive adhesive 300 is a pressure sensitive adhesive to which conductive particles are added.

As shown in fig. 5-6, in use, the protective film of the double-sided adhesive tape 400 is torn, the conductive foam is bent downward to form an inverted U-shaped structure, the top surface of one foam 100 is opposite to the back surface of the electronic display screen, pressure is applied to the two ends of the foam 100 slightly to stick the double-sided adhesive tape 400, the conductive cloth 200 is ensured to contact with the back surface of the attached object, i.e., the electronic display screen, and the other foam 100 is attached to the PCB main board in the same manner. Because the double faced adhesive tape 400 pastes the both ends of the foam 100 on the attached object, make the circular arc 110 of the cotton 100 top surface of original bubble laminate with the attached object because of receiving the drawing, the conducting resin 300 on the circular arc 110 is switched on because of receiving the pressure too, and the conducting resin 300 on two foams 100 is linked together through the conductive cloth 200, can lead the static on the electronic display screen to the PCB mainboard and then ground connection from this, thus both realized the effect that the static switched on, avoid the mutual extrusion between electronic display screen and the PCB mainboard, sensitive parts such as the effective protection electronic display screen.

Example two

As shown in fig. 7, a novel conductive foam 100, including foam 100, conductive cloth 200, conductive adhesive 300 and double faced adhesive tape 400, the top surface of foam 100 is multistage arc surface 120, just the outer surface parcel of foam 100 is conductive cloth 200, two through conductive cloth 200 interconnect between the foam 100, conductive adhesive 300 is pasted foam 100 top surface just is located the top of conductive cloth 200, double faced adhesive tape 400 is pasted the both sides of foam 100 top surface just are located the top of conductive cloth 200.

The foam 100 is made of EPE pearl cotton. The conductive cloth 200 is made of carbon-plated conductive cloth 200. The conductive adhesive 300 is a pressure sensitive adhesive to which conductive particles are added.

The top surface of the foam 100 of this embodiment is a multi-section arc surface 120, and the conductive adhesive 300 can be disposed on each arc surface, so as to improve the electrostatic conduction effect.

EXAMPLE III

As shown in fig. 8, a novel conductive foam 100 comprises a foam 100, a conductive cloth 200, a conductive adhesive 300 and a double-sided adhesive 400, wherein the top surface of the foam 100 is a trapezoidal surface 130, the outer surface of the foam 100 is wrapped with the conductive cloth 200, and the foam 100 is connected with the conductive cloth 200, the conductive adhesive 300 is adhered to the top surface of the foam 100 and is located above the conductive cloth 200, and the double-sided adhesive 400 is adhered to two sides of the top surface of the foam 100 and is located above the conductive cloth 200.

The foam 100 is made of sponge. The conductive cloth 200 is made of gold-plated conductive cloth 200. The conductive adhesive 300 is a pressure sensitive adhesive to which conductive particles are added.

The top surface of the foam 100 of this embodiment is a trapezoidal surface 130, the middle of the trapezoidal surface 130 is a plane, two sides are outward inclined surfaces, the conductive adhesive 300 is disposed on the plane in the middle of the trapezoidal surface 130, and the double-sided adhesive 400 is attached to the inclined surfaces on two sides of the trapezoidal surface 130. When the double-sided adhesive tape is used, the protective film of the double-sided adhesive tape 400 is torn, the top surface of one piece of foam 100 is opposite to the back surface of the electronic display screen, pressure is slightly applied to the two ends of the foam 100, the double-sided adhesive tape 400 is stuck, the conductive cloth 200 is guaranteed to be in contact with the back surface of a stuck object, namely the electronic display screen, and the other piece of foam 100 is stuck to the PCB mainboard in the same way. Because the two ends of the foam 100 are adhered to the object to be adhered by the double-sided adhesive tape 400, the plane part of the trapezoidal surface 130 of the top surface of the foam 100 is tightly adhered to the object to be adhered due to pressure, the conductive adhesive 300 of the plane part of the trapezoidal surface 130 is also conducted due to pressure, the conductive adhesive 300 on the two foam 100 is communicated through the conductive cloth 200, and therefore static electricity on the electronic display screen can be guided to the PCB mainboard and then grounded, so that the static electricity conduction effect is realized, mutual extrusion between the electronic display screen and the PCB mainboard is avoided, and sensitive components such as the electronic display screen are effectively protected.

Example four

As shown in fig. 9, a novel conductive foam 100, including foam 100, conductive cloth 200, conductive adhesive 300 and double faced adhesive tape 400, the top surface of foam 100 is multistage trapezoidal face 140, just the outer surface parcel of foam 100 is conductive cloth 200, two through conductive cloth 200 interconnect between the foam 100, conductive adhesive 300 is pasted foam 100 top surface just is located the top of conductive cloth 200, double faced adhesive tape 400 is pasted the both sides of foam 100 top surface just are located the top of conductive cloth 200.

The foam 100 is made of sponge. The conductive cloth 200 is made of carbon-plated conductive cloth 200. The conductive adhesive 300 is a pressure sensitive adhesive to which conductive particles are added.

The top surface of the foam 100 of this embodiment is a multi-section trapezoidal surface 140, and the conductive adhesive 300 can be disposed on each trapezoidal surface, so as to improve the electrostatic conduction effect.

EXAMPLE five

The utility model provides an use as embodiment one cotton entrance guard's equipment of electrically conductive bubble, includes equipment shell, electronic display screen and PCB mainboard, the electronic display screen is installed on the equipment shell, the PCB mainboard is installed inside the equipment shell, the cotton installation of electrically conductive bubble is in the clearance between electronic display screen and the PCB mainboard.

The cotton downward bending of electrically conductive bubble forms the type of falling U structure, the cotton both ends of electrically conductive bubble are passed through respectively double faced adhesive tape 400 pastes on electronic display screen and the PCB mainboard. The PCB mainboard is grounded, so that static electricity generated by the electronic display screen is guided to the PCB mainboard by utilizing the conductive foam to be grounded, the static electricity conduction effect is realized, mutual extrusion between the electronic display screen and the PCB mainboard is avoided, and sensitive components such as the electronic display screen are effectively protected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a novel electrically conductive bubble cotton which characterized in that: including the bubble cotton, electrically conductive cloth, conductive adhesive and double faced adhesive tape, the cotton top surface of bubble is the arc surface, just the cotton surface parcel of bubble electrically conducts cloth, two through electrically conductive cloth interconnect between the bubble cotton, electrically conductive adhesive pastes bubble cotton top surface just is located electrically conductive cloth's top, double faced adhesive pastes the both sides of bubble cotton top surface just are located electrically conductive cloth's top.

2. The novel conductive foam as claimed in claim 1, wherein: the included angle between the arc tangent of the arc surface of the foam and the horizontal plane is 10-90 degrees.

3. The novel conductive foam as claimed in claim 2, wherein: the material of the foam is any one of EVA foam, EPE pearl foam or sponge.

4. A novel conductive foam as claimed in claim 3, wherein: the conductive cloth is made of any one of nickel-plated conductive cloth, gold-plated conductive cloth, carbon-plated conductive cloth and aluminum foil fiber composite cloth.

5. The novel conductive foam as claimed in claim 4, wherein: the conductive adhesive is pressure sensitive adhesive added with conductive particles.

6. The novel conductive foam as claimed in claim 1, wherein: the top surface of the foam is any one of a multi-section arc surface, a trapezoidal surface or a multi-section trapezoidal surface.

7. An entrance guard device using the conductive foam of any one of claims 1 to 6, wherein: including equipment shell, electronic display screen and PCB mainboard, the electronic display screen is installed on the equipment shell, the PCB mainboard is installed inside the equipment shell, the electrically conductive bubble is cotton to be installed clearance between electronic display screen and the PCB mainboard.

8. The door access device using the conductive foam as set forth in claim 7, wherein: the conductive foam is downwards bent to form an inverted U-shaped structure, and two ends of the conductive foam are respectively stuck to the electronic display screen and the PCB main board through the double-faced adhesive.

9. The door access device using the conductive foam of claim 8, wherein: the PCB mainboard is grounded.

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