An explosion-proof touch screen static elimination device

Abstract

The utility model discloses an explosion-proof touch screen static elimination device, comprising a support tube installed at the bottom of an explosion-proof housing: the explosion-proof housing is fixedly connected to the top of the support tube by screws, a touch screen is fixedly installed on the front side of the inner cavity of the explosion-proof housing, an electrostatic shielding layer is fixedly connected to the surface of the touch screen all around, a wire is passed through the inner cavity of the support tube, a power connection anchor is arranged at the bottom of the inner cavity of the support tube, the top and bottom ends of the wire are electrically connected to connection terminals, an anti-detachment component is arranged in the inner cavity of the power connection anchor, and an operating keyboard is fixedly installed on the surface of the support tube. The utility model releases static electricity on the surface of the touch screen and guides it into the ground through the coordinated use of the electrostatic shielding layer, the wire and the power connection anchor, and at the same time, through the coordinated use of the anti-detachment component, the power connection anchor is limited and fixed, so that the power connection anchor is stably inserted into the ground, thereby achieving the purpose of effectively guiding out static electricity and stable and reliable installation.

Description

Technical Field

[0001] The utility model belongs to the technical field of explosion-proof touch screens, in particular to an explosion-proof touch screen static elimination device. Background Art

[0002] A touch screen, also known as a touch panel, is an inductive liquid crystal display device that can receive input signals such as contacts. When a graphic button on the screen is touched, the tactile feedback system on the screen can drive various connection devices according to a pre-programmed program. It can be used to replace mechanical button panels and create vivid audio and video effects through the LCD display screen.

[0003] In the industrial field, affected by the particularity of the working environment, the touch screen needs to have a certain degree of explosion-proofness. In the process of using the touch screen, the generation of static electricity will cause more dust to be absorbed inside the equipment, resulting in short circuits, and even direct breakdown of electrical components. For this reason, it is necessary to provide an explosion-proof touch screen static removal device, which uses a grounding wire to guide the current, and guides the static electricity generated by the display screen to the ground through the ground wire to release the static electricity, thereby preventing static electricity from being retained at the touch screen position and protecting the touch screen. Utility Model Content

[0004] The purpose of the utility model is to provide an explosion-proof touch screen static removal device, which adopts the method of guiding the current by a grounding wire to guide the static electricity generated by the display screen to the ground through the grounding wire, thereby releasing the static electricity, thereby preventing static electricity from being retained at the touch screen position, protecting the touch screen, and solving the above-mentioned technical problems.

[0005] The utility model provides a technical solution to the above technical problems as follows: an explosion-proof touch screen static elimination device, comprising a support tube installed at the bottom of an explosion-proof casing: the explosion-proof casing is fixedly connected to the top of the support tube by screws, a touch screen is fixedly installed on the front side of the inner cavity of the explosion-proof casing, an electrostatic shielding layer is fixedly connected to the surface of the touch screen all around, a wire is passed through the inner cavity of the support tube, an electrical anchor is provided at the bottom of the inner cavity of the support tube, the top and bottom ends of the wire are electrically connected to connection terminals, an anti-detachment component is provided in the inner cavity of the electrical anchor, and an operating keyboard is fixedly installed on the surface of the support tube.

[0006] Preferably, the anti-drop assembly comprises an extrusion pin which penetrates from the top of the power connection anchor to the inner cavity of the power connection anchor, a circular hole is opened on the surface of the power connection anchor, and the inner cavity of the circular hole is slidably connected with the anti-drop pin.

[0007] Preferably, a first fixed terminal is fixedly connected to the bottom of the rear side of the electrostatic shielding layer, the first fixed terminal is fixedly connected to the top of the wire through a connecting terminal, a second fixed terminal is fixedly connected to the top of the power anchor, and the bottom end of the wire is fixedly connected to the second fixed terminal.

[0008] Preferably, the side of the extrusion pin close to the anti-dropout pin is set as an inclined surface, and the side of the extrusion pin close to the extrusion pin is set as an arc surface.

[0009] Preferably, the surface of the anti-dropout pin is annularly fixedly connected with four anti-dropout protrusions, and the anti-dropout protrusions are slidably connected to the inner cavity of the anti-dropout pin.

[0010] Preferably, the bottom of the support tube surface is fixedly connected to a base, and bolts are provided through the four corners of the top of the base.

[0011] 1. The beneficial effects of the utility model are as follows: the utility model releases the static electricity on the surface of the touch screen and introduces it into the ground through the coordinated use of the electrostatic shielding layer, the wire and the power connection anchor. At the same time, the power connection anchor is limited and fixed through the coordinated use of the anti-detachment component, so that the power connection anchor is stably inserted into the ground, thereby achieving the purpose of effectively conducting static electricity and installing stably and reliably.

[0012] 2. The utility model uses the extrusion pin and the circular hole in combination to squeeze and push the anti-dropout pin, so that after the power connection anchor is inserted into the ground, the anti-dropout pin can be inserted into the ground horizontally, thereby limiting the power connection anchor and preventing the power connection anchor from falling out upward, thereby improving the stability of the power connection anchor after installation.

[0013] 3. The utility model uses the connecting terminal, the first fixed terminal and the second fixed terminal in coordination, so that the electrostatic shielding layer and the power anchor are electrically connected, and the electrostatic shielding layer has the ability to conduct electricity underground, thereby releasing static electricity and preventing static electricity from being generated on the surface of the touch screen during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] in:

[0015] Figure 1 This is a front cross-sectional view of an embodiment of the utility model;

[0016] Figure 2 This is a three-dimensional schematic diagram of a touch screen, an electrostatic shielding layer and a wire in one embodiment of the utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of a conductor, a power connection anchor, and an anti-slip assembly according to an embodiment of the utility model;

[0018] Figure 4 It is a three-dimensional exploded view of an anti-slip assembly according to an embodiment of the utility model.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Explosion-proof casing, 2. Support tube, 3. Touch screen, 4. Electrostatic shielding layer, 5. Wire, 6. Power anchor, 7. Connecting terminal, 8. First fixed terminal, 9. Anti-drop assembly, 91. Extrusion pin, 92. Anti-drop pin, 93. Round hole, 94. Anti-drop protrusion, 10. Second fixed terminal, 11. Operation keyboard, 12. Base, 13. Bolt. DETAILED DESCRIPTION

[0021] Hereinafter, embodiments of the explosion-proof touch screen static elimination device of the present invention will be described with reference to the accompanying drawings.

[0022] Figure 1-4 An explosion-proof touch screen static elimination device according to an embodiment of the utility model is shown, comprising a support tube 2 installed at the bottom of an explosion-proof casing 1: the explosion-proof casing 1 is fixedly connected to the top of the support tube 2 by screws, a touch screen 3 is fixedly installed on the front side of the inner cavity of the explosion-proof casing 1, an electrostatic shielding layer 4 is fixedly connected to the surface of the touch screen 3 on all sides, a first fixed terminal 8 is fixedly connected to the bottom of the rear side of the electrostatic shielding layer 4, the first fixed terminal 8 is fixedly connected to the top of the wire 5 through the connecting terminal 7, a second fixed terminal 10 is fixedly connected to the top of the power connection anchor 6, and the bottom end of the wire 5 is fixedly connected to the second fixed terminal 10. Through the coordinated use of the connecting terminal 7, the first fixed terminal 8 and the second fixed terminal 10, the electrostatic shielding layer 4 and the power connection anchor 6 are electrically connected, so that the electrostatic shielding layer 4 has the ability to conduct electricity underground, thereby releasing static electricity and preventing the surface of the touch screen 3 from generating static electricity during use. The inner cavity of the support tube 2 is penetrated by a wire 5, and the bottom of the inner cavity of the support tube 2 is provided with a power connection anchor 6. The top and bottom ends of the wire 5 are electrically The connecting terminal 7 is connected, and the inner cavity of the power connection anchor 6 is provided with an anti-dropout component 9, which includes an extrusion pin 91 that penetrates from the top of the power connection anchor 6 to the inner cavity of the power connection anchor 6. A circular hole 93 is opened on the surface of the power connection anchor 6, and an anti-dropout pin 92 is slidably connected to the inner cavity of the circular hole 93. Through the cooperation of the extrusion pin 91 and the circular hole 93, the anti-dropout pin 92 is squeezed and pushed, so that after the power connection anchor 6 is inserted into the ground, the anti-dropout pin 92 can be inserted into the ground horizontally, thereby limiting the power connection anchor 6 to prevent the connection from being damaged. The electric anchor 6 is disengaged upward, thereby improving the stability of the electric anchor 6 after installation, the side of the extrusion pin 91 close to the anti-slip pin 92 is set as an inclined surface, the side of the extrusion pin 91 close to the extrusion pin 91 is set as an arc surface, the surface of the anti-slip pin 92 is annularly fixedly connected with four anti-slip protrusions 94, and the anti-slip protrusions 94 are slidably connected to the inner cavity of the anti-slip pin 92, an operating keyboard 11 is fixedly installed on the surface of the support tube 2, and the bottom of the surface of the support tube 2 is fixedly connected with a base 12, and bolts 13 are penetrated at the four corners of the top of the base 12.

[0023] Working principle: When using the utility model, the user inserts the power connection anchor 6 into the ground, and then vertically inserts the extrusion pin 91 into the inner cavity of the power connection anchor 6 from the top thereof. After entering the inner cavity of the power connection anchor 6, the extrusion pin 91 squeezes the anti-drop pin 92 through its bottom inclined surface, so that the anti-drop pin 92 slides out of the inner cavity of the circular hole 93 and is inserted into the ground, so that the power connection anchor 6 is stably located underground under the action of the lateral limiting force. Then the user connects the bottom end of the wire 5 to the second fixed terminal 10, and connects the top end of the wire 5 to the electrostatic shielding layer 4 through the connecting terminal 7 and the first fixed terminal 8, and fixes and installs the support tube 2 through the cooperation of the base 12 and the bolt 13, and hides the wire 5 in the inner cavity of the support tube 2. During use, the static electricity generated by the touch screen 3 is guided to the wire 5 through the electrostatic shielding layer 4, and the static electricity is guided to the ground for release through the cooperation of the wire 5 and the power connection anchor 6.

[0024] In summary, the explosion-proof touch screen static removal device releases the static electricity on the surface of the touch screen 3 and introduces it into the ground through the coordinated use of the static shielding layer 4, the wire 5 and the power anchor 6. At the same time, through the coordinated use of the anti-detachment component 9, the power anchor 6 is limited and fixed, so that the power anchor 6 is stably inserted into the ground, thereby achieving the purpose of effectively conducting static electricity and ensuring stable and reliable installation.

Claims

1. An explosion-proof touch screen static elimination device, characterized in that: The invention comprises a support tube (2) installed at the bottom of an explosion-proof casing (1): the explosion-proof casing (1) is fixedly connected to the top of the support tube (2) by screws; a touch screen (3) is fixedly installed on the front side of the inner cavity of the explosion-proof casing (1); an electrostatic shielding layer (4) is fixedly connected to the surface of the touch screen (3) on all sides; a wire (5) is passed through the inner cavity of the support tube (2); an electrical connection anchor (6) is provided at the bottom of the inner cavity of the support tube (2); the top and bottom ends of the wire (5) are electrically connected to connection terminals (7); an anti-drop assembly (9) is provided in the inner cavity of the electrical connection anchor (6); and an operating keyboard (11) is fixedly installed on the surface of the support tube (2).

2. The explosion-proof touch screen static elimination device according to claim 1, characterized in that: The anti-drop assembly (9) comprises an extrusion pin (91) extending from the top of the power connection anchor (6) to the inner cavity of the power connection anchor (6); a circular hole (93) is provided on the surface of the power connection anchor (6); and the inner cavity of the circular hole (93) is slidably connected to the anti-drop pin (92).

3. The explosion-proof touch screen static elimination device according to claim 2, characterized in that: A first fixed terminal (8) is fixedly connected to the bottom of the rear side of the electrostatic shielding layer (4), and the first fixed terminal (8) is fixedly connected to the top of the wire (5) through a connecting terminal (7). A second fixed terminal (10) is fixedly connected to the top of the power connection anchor (6), and the bottom end of the wire (5) is fixedly connected to the second fixed terminal (10).

4. The explosion-proof touch screen static elimination device according to claim 3 is characterized in that: The side of the extrusion pin (91) close to the anti-dropout pin (92) is arranged as an inclined surface, and the side of the extrusion pin (91) close to the extrusion pin (91) is arranged as an arc surface.

5. The explosion-proof touch screen static elimination device according to claim 4 is characterized in that: Four anti-dropout protrusions (94) are annularly fixedly connected to the surface of the anti-dropout pin (92), and the anti-dropout protrusions (94) are slidably connected to the inner cavity of the anti-dropout pin (92).

6. The explosion-proof touch screen static elimination device according to claim 5, characterized in that: The bottom of the surface of the support tube (2) is fixedly connected to a base (12), and bolts (13) are provided through the four corners of the top of the base (12).

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