A special protection device for PLC touch screen

Abstract

The utility model discloses a special protection device for PLC touch screen belongs to the handover shaft protection technical field, including protection frame, movable plate, transparent protection board and operation hole, and the outer surface of PLC touch screen is equipped with protection frame cover, and the front hinged of protection frame has movable plate, and the middle part of movable plate front is embedded with transparent protection board, and the surface of transparent protection board forms a plurality of operation holes that can pass through stylus. The utility model has the beneficial effect that: the surface of PLC touch screen is fixed to the protection device cover, and the protection of PLC touch screen can be realized through the flip type movable plate, and the operation of PLC touch screen can be completed after opening when needing to operate, at the same time, the surface of movable plate is transparent protection board, and a plurality of operation holes corresponding to the specified position of PLC touch screen are arranged on the transparent protection board, so that the staff can conveniently carry out simple viewing operation through the corresponding stylus, and the false adjustment of equipment process parameters through PLC touch screen can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of cross-shaft protection technology, and more specifically, to a dedicated protective device for PLC touch screens. Background Technology

[0002] As an important component of industrial automation, PLCs can set many PLC data through PLC touch screens. If equipment process parameters are accidentally adjusted by humans, it will pose a serious safety hazard to the safe operation of the equipment. For safety reasons, installing a protective cover on the PLC touch screen can effectively prevent people from arbitrarily modifying PLC setpoint data or adjusting equipment process parameters.

[0003] In existing technologies, when providing safety protection for PLC touchscreens, it is inconvenient to perform simple viewing and adjustment functions while protecting them. Access and operation require opening the protective cover, which compromises practicality and durability. Furthermore, a utility model patent with publication number CN220858732U discloses a PLC protection device for automation control engineering, including a support plate and a protective shell. The support plate is fixedly connected to the protective shell, and the protective shell has ventilation windows on both sides. A connecting plate is fixedly connected to the edge of each ventilation window, and the connecting plate is rotatably connected to two fixed blocks. A main rotating shaft is rotatably mounted between the two fixed blocks, and a dust cover is rotatably connected to the surface of the main rotating shaft. Slide rails are provided on both sides of the connecting plate, and a second rotating shaft is rotatably connected inside each slide rail. A first rotating shaft is rotatably connected to the lower edge of the dust cover, and the first rotating shaft is fixedly mounted to the second rotating shaft via drive rods. This design also makes it inconvenient to perform simple viewing and adjustment functions while protecting the PLC, requiring the protective cover to be opened for inspection and operation, further compromising practicality and durability. Utility Model Content

[0004] To overcome the problems in existing technologies where simple viewing and adjustment functions are not easily achieved while protecting a PLC touchscreen, requiring the protective cover to be opened for viewing and operation, and where practicality and durability need improvement, this utility model provides a dedicated protective device for PLC touchscreens, including a protective frame, a movable plate, a transparent protective plate, and operating holes. The protective frame covers the outer surface of the PLC touchscreen, and the movable plate is hinged to the front of the protective frame. The transparent protective plate is embedded in the center of the front of the movable plate, and the surface of the transparent protective plate has several operating holes through which a stylus can pass.

[0005] The protective device is fixed to the surface of the PLC touchscreen. The protection is achieved through a flip-top movable plate, which can be opened to allow operation when needed. The movable plate is transparent and has multiple operation holes corresponding to designated positions on the PLC touchscreen, allowing operators to easily view and operate it using a stylus. This prevents accidental adjustments to equipment process parameters via the PLC touchscreen, greatly enhancing the convenience of the protective device and improving its practicality.

[0006] Preferably, a placement slot is provided on one side of the movable plate, in which a stylus is placed, and a fixing buckle connects the stylus to the placement slot. By installing a placement slot on the side wall of the protective frame, a stylus can be placed, bringing convenience to the use of the device.

[0007] Preferably, a lock hole is provided at the bottom of the front side of the movable plate, and the bottom of the movable plate is connected to the bottom of the protective frame through the lock hole.

[0008] Preferably, the transparent protective plate is made of transparent and wear-resistant plexiglass.

[0009] Preferably, a reinforcing plate is installed on the outside of the protective frame.

[0010] The reinforcing plates installed on the outside of the protective frame can improve its strength and resistance to pressure, making it less prone to damage. The insulating plates installed inside the protective frame can prevent leakage and improve the safety of the device.

[0011] Preferably, an insulating plate is installed inside the protective frame.

[0012] Preferably, a sealing gasket is provided on the back of the protective frame.

[0013] Preferably, the protective frame is provided with a plurality of fixing plates on its side, and each fixing plate is provided with fixing holes.

[0014] Preferably, the outer surface of the protective frame is provided with a corrosion-resistant coating.

[0015] By applying a corrosion-resistant coating, the overall corrosion resistance of the device can be improved, and its service life can be increased.

[0016] Beneficial effects:

[0017] The beneficial effects of adopting the technical solution of this utility model are as follows:

[0018] (1) The protective device is fixed on the surface of the PLC touch screen. The PLC touch screen can be protected by a flip-top movable plate. When operation is required, the PLC touch screen can be opened to complete the operation. At the same time, the surface of the movable plate is a transparent protective plate with multiple operation holes corresponding to the designated positions of the PLC touch screen. This allows the staff to easily view and operate the device using the corresponding stylus. This avoids the accidental adjustment of equipment process parameters by human intervention through the PLC touch screen, which provides convenience for the use of the PLC touch screen and greatly improves the practicality of the protective device.

[0019] (2) By installing a reinforcing plate on the outside of the protective frame, the strength of the device can be improved, the pressure resistance can be enhanced, and it is not easy to be damaged. By installing an insulating plate inside the protective frame, leakage can be avoided and the safety of the device can be improved.

[0020] (3) By installing a slot on the side wall of the protective frame, a stylus can be placed, which brings convenience to the use of the device. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of the special protective device for PLC touch screens according to this utility model;

[0023] Figure 2 This is a schematic diagram of the connection structure of the front of the special protective device for PLC touch screens according to this utility model.

[0024] Figure 3 This is a schematic diagram of the internal connection structure of the special protective device for PLC touch screens according to this utility model.

[0025] In the diagram: 1. Protective frame; 2. Movable plate; 3. Transparent protective plate; 4. Operating hole; 5. Lock hole; 6. Fixing plate; 7. Fixing hole; 8. Placement slot; 9. Stylus; 10. Fixing buckle; 11. Reinforcing plate; 12. Insulating plate. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0027] This embodiment fixes the protective device over the surface of the PLC touchscreen. The protection of the PLC touchscreen is achieved through a flip-top movable plate, which can be opened to allow operation when needed. The movable plate is a transparent protective plate with multiple operation holes corresponding to designated positions on the PLC touchscreen. This allows operators to easily view and operate the screen using a stylus, preventing accidental adjustments of equipment process parameters via the PLC touchscreen. This greatly enhances the convenience of using the PLC touchscreen and significantly improves the practicality of the protective device. The specific implementation method is as follows:

[0028] like Figures 1 to 3 As shown, a dedicated protective device for a PLC touchscreen includes a protective frame 1, a movable plate 2, a transparent protective plate 3, and operating holes 4. The protective frame 1 covers the outer surface of the PLC touchscreen. The movable plate 2 is hinged to the front of the protective frame 1, and the transparent protective plate 3 is embedded in the center of the front of the movable plate 2. The surface of the transparent protective plate 3 has several operating holes 4 through which a stylus 9 can pass. The protective device is fixed to the surface of the PLC touchscreen. The flip-top movable plate 2 provides protection for the PLC touchscreen and can be opened for operation when needed. The transparent protective plate 3, with multiple operating holes 4 corresponding to designated positions on the PLC touchscreen, allows operators to easily view and operate the screen using the corresponding stylus 9. This prevents accidental adjustment of equipment process parameters via the PLC touchscreen, greatly improving the convenience of using the PLC touchscreen and enhancing the practicality of the protective device.

[0029] A placement slot 8 is provided on one side of the movable plate 2, and a stylus 9 is placed in the placement slot 8. A fixing buckle 10 connects the stylus 9 to the placement slot 8. By installing the placement slot 8 on the side wall of the protective frame 1, the stylus can be stored. When in use, the fixing buckle 10 can be opened to remove the stylus, which brings convenience to the use of the device.

[0030] A keyhole 5 is provided at the bottom of the front of the movable plate 2, and the bottom of the movable plate 2 is connected to the bottom of the protective frame 1 through the keyhole 5. A special latch can be installed between the bottom of the movable plate 2 and the bottom of the protective frame 1 through the keyhole 5, which can be opened with a corresponding key.

[0031] The transparent protective panel 3 is made of transparent and wear-resistant acrylic glass. It is transparent for easy observation while being sturdy and durable.

[0032] A reinforcing plate 11 is installed on the outside of the protective frame 1. By installing the reinforcing plate 11 on the outside of the protective frame 1, the strength can be improved, the pressure resistance can be enhanced, and it can be made less prone to damage.

[0033] An insulating plate 12 is installed inside the protective frame 1. The insulating plate 12 installed inside the protective frame 1 can prevent leakage and improve the safety of the device. The insulating plate 12 is made of epoxy resin insulating material.

[0034] A sealing gasket is provided on the back of the protective frame 1. The sealing gasket improves the sealing at the connection between the protective frame 1 and the edge of the PLC touch screen, preventing dust or impurities from entering.

[0035] Several fixing plates 6 are installed on the sides of the protective frame 1, and each fixing plate 6 is provided with fixing holes 7. Through the setting of the fixing plates 6 and fixing holes 7, the protective frame 1 can be installed and fixed on the outside of the PLC touch screen.

[0036] The outer surface of the protective frame 1 is coated with a corrosion-resistant coating. This coating improves the overall corrosion resistance of the device and extends its service life.

[0037] Working Principle: The protective device is fixed to the surface of the PLC touchscreen. The protection is achieved through a flip-top movable plate, which can be opened to allow operation when needed. The movable plate is transparent, with multiple operation holes corresponding to designated positions on the PLC touchscreen. This allows operators to easily view and operate the screen using a stylus, preventing accidental adjustments to equipment process parameters and greatly enhancing the practicality of the protective device. A reinforcing plate on the outside of the protective frame increases strength and pressure resistance, making it less prone to damage. An insulating plate inside the protective frame prevents electrical leakage, improving safety. A slot on the side wall of the protective frame allows for the placement of a stylus, further enhancing usability.

[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A dedicated protective device for PLC touchscreens, characterized in that, It includes a protective frame (1), a movable plate (2), a transparent protective plate (3) and an operation hole (4). The protective frame (1) covers the outer surface of the PLC touch screen. The movable plate (2) is hinged to the front of the protective frame (1). The transparent protective plate (3) is embedded in the middle of the front of the movable plate (2). The surface of the transparent protective plate (3) has several operation holes (4) through which a stylus (9) can pass.

2. The dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, The movable plate (2) has a placement slot (8) on one side, and a stylus (9) is placed in the placement slot (8). A fixing buckle (10) connects the outside of the stylus (9) to the placement slot (8).

3. A dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, The bottom of the front of the movable plate (2) is provided with a lock hole (5), and the bottom of the movable plate (2) is connected to the bottom of the protective frame (1) through the lock hole (5).

4. A dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, The transparent protective plate (3) is made of transparent and wear-resistant organic glass.

5. A dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, The protective frame (1) is fitted with a reinforcing plate (11) on its exterior.

6. A dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, An insulating plate (12) is installed inside the protective frame (1).

7. A dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, A sealing gasket is provided on the back of the protective frame (1).

8. A dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, The protective frame (1) has several fixing plates (6) installed on its side, and each fixing plate (6) has a fixing hole (7).

9. A dedicated protective device for a PLC touchscreen according to claim 1, characterized in that, The outer surface of the protective frame (1) is provided with a corrosion-resistant coating.

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