Cover plate with graphene heating film

Abstract

The invention relates to a cover plate with graphene heating films, and belongs to the technical field of cover plates, the cover plate comprises a transparent cover plate body and two graphene heating films, the two graphene heating films are arranged on the lower side surface of the transparent cover plate body, and a visible area is formed between the two graphene heating films. Through the arrangement of the graphene heating film, when mist or condensation is attached to the inner side face of the transparent cover plate body, the graphene heating film can generate a large amount of heat, so that the inner side face of the transparent cover plate body is rapidly heated, water vapor on the inner side face of the transparent cover plate body is evaporated, and the definition of the transparent cover plate body is guaranteed; and the observation effect on the internal condition of the cable trench is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cable cover plates, and in particular to a cover plate with a graphene heating film. Background Art

[0002] There are a large number of cable trenches in the substation, where high-voltage cables and secondary cables connected to primary equipment are distributed, and the cable trenches are sealed with covers. During the daily operation and maintenance of the substation, the operation and maintenance personnel need to regularly check the internal conditions of the cable trenches.

[0003] At present, the cover plate used to seal the cable trench generally adopts a visual cable cover plate made of organic glass. The visual cable cover plate is installed on the cable trench, and the internal situation of the cable trench can be directly observed through the glass. However, since there is often water accumulation in the cable trench, with the influence of temperature, fog or condensation is easy to form on the inside of the visual cable trench cover plate, which cannot be dissipated for a long time, affecting the observation effect of the internal situation of the cable trench. Summary of the invention

[0004] The present invention discloses a cover plate with a graphene heating film, aiming to solve the technical problem in the background technology that fog and condensation are easily generated on the inner side of the cover plate, thus affecting the observation effect of the internal situation of the cable trench.

[0005] The present invention proposes a cover plate with a graphene heating film, comprising a transparent cover plate body and two graphene heating films, wherein the two graphene heating films are arranged on the lower side of the transparent cover plate body, a visible area is formed between the two graphene heating films, the two graphene heating films are arranged along the length direction of the transparent cover plate body, a heat-conductive and heat-resistant adhesive layer is arranged between each of the graphene heating films and the transparent cover plate body, a frosted area is arranged on the lower side of the transparent cover plate body, the frosted area is arranged on both sides of the visible area, and the frosted area corresponds to the graphene heating film one by one The invention is provided with a controller, and the two graphene heating films are electrically connected to the controller after being connected in parallel; an anti-slip film is provided on the upper side of the transparent cover body, and the anti-slip film is arranged on both sides of the visible area, the anti-slip film and the graphene heating film are arranged one by one, and the edges of the transparent cover body are chamfered; the transparent cover body includes a first glass layer, an intermediate film layer and a second glass layer which are arranged in sequence from top to bottom; a transparent self-cleaning coating is provided on the upper side of the first glass layer, and an airflow drying module is arranged on the outside of the two graphene heating films.

[0006] By setting the graphene heating film, when fog or condensation is attached to the inner side of the transparent cover body, the graphene heating film can generate a large amount of heat after being connected to the external circuit and turned on, so that the inner side of the transparent cover body is rapidly heated up, and then the water vapor on the inner side of the transparent cover body is evaporated, ensuring the clarity of the transparent cover body and improving the observation effect of the internal situation of the cable trench. Since the graphene heating film is an opaque object, in order to make the transparent cover body have as large a visible area as possible and ensure the heating efficiency of the inner side of the transparent cover body, the present application sets two graphene heating films arranged at intervals, and the interval area is used as a visible area for the staff to observe the internal situation of the cable trench.

[0007] By connecting two graphene heating films in parallel to a controller, on the one hand, the controller can centrally control the power on or off of the two graphene heating films at the same time to ensure the defog efficiency, and the control logic is simple, reducing the cost of the control module; on the other hand, the two graphene heating films can work independently, and damage to one of them does not affect the working state of the other, which is beneficial to extending the defog life of the transparent cover body.

[0008] By setting the first glass layer, the middle film layer and the second glass layer, the transparent cover plate body becomes a laminated glass, which effectively improves the explosion-proof performance of the transparent cover plate body and improves its safety; in addition, the laminated glass has a good thermal insulation effect and can effectively isolate the heat transfer between the upper and lower sides of the transparent cover plate body, so that after the transparent cover plate body is defogged once, the visible area can remain fog-free for a long time, thereby achieving energy saving.

[0009] In a preferred embodiment, the airflow drying module includes a mounting frame, the inner wall of the mounting frame is slidably connected to the outside of the graphene heating film, the upper side of the mounting frame is fitted with the bottom of the visible area, and the two mounting frames are fixedly connected to two symmetrical connecting frames on the opposite sides, the inner walls of the connecting frames are fixedly connected to insertion seats, the insertion seats are provided with circular holes, the inner walls of the circular holes are slidably connected to fixing pins, the upper sides of the fixing pins are bonded to the bottom of the visible area, and the upper sides of the insertion seats are provided with three circumferentially equidistant sliding grooves, the sliding grooves are slidably connected with card blocks, the fixing pins are provided with annular grooves, and the outer sides of the sliding grooves on the same side are carded with the inner walls of the annular grooves; the upper sides of the insertion seats are rotatably connected to a rotating frame on a bearing, and are located at the fixing pins. The outside of the rotating frame is provided with three circumferentially equidistantly distributed curved grooves, and short shafts are slidably connected in the curved grooves. The three short shafts on the same rotating frame are fixedly connected to the side opposite to the card block respectively, and the inner wall of the rotating frame is fixedly connected with a coil spring, and the end of the coil spring away from the rotating frame is fixedly connected to the upper side of the insertion seat on the same side, and the bottoms of the two graphene heating films are fitted with two symmetrical heat spreaders, and the side of the heat spreader away from the connecting frame is provided with multiple equidistantly distributed copper heat conducting plates, and two symmetrical cut grooves are provided on the opposite sides of the two mounting frames, and heat dissipation grilles are fixedly connected in the cut grooves; the heat dissipation grilles on the same side are fixedly connected to the side opposite to the multiple copper heat conducting plates, and the cut grooves are fixedly connected to the fixed frame, and the fixed frame Each of the two mounting frames is provided with a fan 1, and the inner wall of one side of the mounting frame away from the connecting frame is fixedly connected to two symmetrical springs, one end of the spring away from the mounting frame is fixedly connected to the bottom of the heat spreader on the same side, and the opposite sides of the two mounting frames are fixedly connected to a fixing plate 1; a circular opening is provided at the bottom of the fixing plate 1, and a rotating disk is movably connected in the circular opening, and a sliding rod is fixedly connected to the bottom of the rotating disk, and a fixing plate 2 is slidably connected to the outside of the sliding rod, and the outside of the two mounting frames is fixedly connected to a fixing frame, and the outside of the fixing frame is fixedly connected to a driving motor, and the two driving motors are respectively connected to the bottom of the two sliding rods through a coupling, and the bottom of the rotating disk is fixedly connected to three circumferentially equidistantly distributed hydraulic rods 1, and the output ends of the hydraulic rods 1 are connected to the same side The upper side of the fixed plate 2 is fixedly connected; the outsides of the two fixed plates 2 are fixedly connected with a gathering frame, the two gathering frames are staggered and symmetrically distributed, the inner walls of the two gathering frames are fixedly connected with a mosaic frame, the bottom of the mosaic frame is fixedly connected with a guide pipe, the guide pipe is located inside the gathering frame, the mosaic frame is provided with a fan 2, and the inner wall of the gathering frame is fixedly connected with a diffusion grille; the bottom inner wall of the gathering frame is fixedly connected with a hydraulic rod 2, the output end of the hydraulic rod 2 is fixedly connected with a connecting piece, and the outside of the connecting piece is movably connected with two symmetrical push-pull rods, the two push-pull rods on the same gathering frame are movably connected with an expansion cover at one end away from the connecting piece, and the two expansion covers on the same gathering frame are connected to the upper side of the gathering frame by hinges.

[0010] By providing an airflow drying module, the airflow drying module can choose between two different situations: drying mist and drying condensation. This enables the device to have better processing effects when dealing with different situations, thereby improving the applicability of the device, ensuring the normal progress of cable observation work, and improving the work efficiency of workers.

[0011] From the above, it can be seen that the cover plate with a graphene heating film provided by the present invention has a setting of the graphene heating film. When fog or condensation is attached to the inner side of the transparent cover plate body, the graphene heating film can generate a large amount of heat, thereby causing the inner side of the transparent cover plate body to heat up rapidly, and then evaporate the water vapor on the inner side of the transparent cover plate body, thereby ensuring the clarity of the transparent cover plate body and improving the observation effect of the internal situation of the cable trench. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of a cover plate with a graphene heating film according to an embodiment of the present application; Figure 2 It is an exploded view showing the layer structure of an embodiment of the present application; Figure 3 It is a cutaway view showing the layer structure of an embodiment of the present application; Figure 4 It is a schematic diagram showing the connection principle between the controller and the graphene heating film in the embodiment of the present application; Figure 5 A schematic diagram of the structure of the airflow drying module in the embodiment of the present application; Figure 6 A schematic diagram of the structure of a heat sink in an embodiment of the present application; Figure 7 A schematic diagram of the structure of the insertion seat in the embodiment of the present application; Figure 8 A schematic diagram of the flow concentrator structure in an embodiment of the present application; Fig. 9 A schematic diagram of the expansion cover structure in an embodiment of the present application.

[0013] In the figure: 1. transparent cover body; 11. first glass layer; 12. intermediate film layer; 13. second glass layer; 14. self-cleaning coating; 2. graphene heating film; 3. visual area; 4. heat-conducting and heat-resistant adhesive layer; 5. frosted area; 6. anti-slip film; 7. controller; 8. airflow drying module; 81. mounting frame; 82. focusing frame; 83. heat spreader; 84. copper heat conducting sheet; 85. heat dissipation grille; 86. spring; 87. fixing frame; 88. fan 1; 89. connecting frame; 810. insert seat; 811. fixing Fixed pin; 812, slide groove; 813, block; 814, annular groove; 815, rotating frame; 816, curved groove; 817, short shaft; 818, coil spring; 819, fixed plate 1; 820, rotating disk; 821, slide rod; 822, fixed plate 2; 823, drive motor; 824, hydraulic rod 1; 825, mosaic frame; 826, guide tube; 827, fan 2; 828, diffusion grille; 829, expansion cover; 830, hydraulic rod 2; 831, connector; 832, push-pull rod; 9, fixed frame. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0015] The cover plate with a graphene heating film disclosed in the present invention is mainly used in scenes where fog and condensation are easily generated on the inner side of the cover plate, affecting the observation effect of the internal situation of the cable trench.

[0016] Reference Figure 1-4 A cover with a graphene heating film comprises a transparent cover body 1 and two graphene heating films 2, the two graphene heating films 2 are arranged on the lower side of the transparent cover body 1, a visible area 3 is formed between the two graphene heating films 2, the two graphene heating films 2 are arranged along the length direction of the transparent cover body 1, a heat-conductive and heat-resistant adhesive layer 4 is arranged between each graphene heating film 2 and the transparent cover body 1, a frosted area 5 is arranged on the lower side of the transparent cover body 1, the frosted area 5 is arranged on both sides of the visible area 3, the frosted area 5 and the graphene heating film 2 are arranged one by one, and further comprises The transparent cover body 1 includes a controller 7, and the two graphene heating films 2 are electrically connected to the controller 7 after being connected in parallel; an anti-slip film 6 is provided on the upper side of the transparent cover body 1, and the anti-slip film 6 is arranged on both sides of the visible area 3. The anti-slip film 6 is arranged one by one with the graphene heating film 2, and the edges of the transparent cover body 1 are chamfered; the transparent cover body 1 includes a first glass layer 11, an intermediate film layer 12 and a second glass layer 13 which are arranged in sequence from top to bottom; a transparent self-cleaning coating 14 is provided on the upper side of the first glass layer 11, and an airflow drying module 8 is provided on the outside of the two graphene heating films 2.

[0017] Specifically, when fog or condensation is attached to the inner side of the transparent cover body 1, the graphene heating film 2 is connected to the external circuit and turned on to generate a large amount of heat, so that the inner side of the transparent cover body 1 heats up rapidly, and then evaporates the water vapor on the inner side of the transparent cover body 1, thereby ensuring the clarity of the transparent cover body 1 and improving the observation effect of the internal situation of the cable trench. Since the graphene heating film 2 is an opaque object, in order to make the transparent cover body 1 have a large visible area as much as possible and ensure the heating efficiency of the inner side of the transparent cover body 1, the present application sets two graphene heating films 2 arranged at intervals, and the interval area between the two graphene heating films 2 is used as a visible area 3 for the staff to observe the internal situation of the cable trench; in this embodiment, the material of the thermally conductive and heat-resistant adhesive layer 4 is silicone glass glue or polyimide glass glue; since the surface of the frosted area 5 is frosted, the bonding strength between the thermally conductive and heat-resistant adhesive layer 4 and the contact surface of the transparent cover body 1 can be effectively enhanced, thereby reducing the possibility of separation between the graphene heating film 2 and the transparent cover body 1, and ensuring that the inner side of the transparent cover body 1 has a stable defogging effect; the upper side of the transparent cover body 1 is bonded with an anti-slip film 6, which can improve the anti-slip effect of the upper side of the transparent cover body 1, prevent pedestrians from slipping when stepping on it by mistake, and ensure public safety. In order to prevent the anti-slip film 6 from blocking the visual field of the visual area 3, the anti-slip film 6 is arranged on both sides of the visual area 3, and the anti-slip film 6 is arranged one by one with the graphene heating film 2; the edges of the transparent cover body 1 are chamfered, which, on the one hand, reduces the sharpness of the edge of the transparent cover body 1 and improves safety; on the other hand, the chamfering process can increase the force-bearing area at the edge, prevent the edge of the transparent cover body 1 from being broken when it is impacted by external force during use, and ensure the service life of the transparent cover body 1; the transparent cover body 1 includes a first glass layer 11, an intermediate film layer 12, and a second glass layer 13 arranged in sequence from top to bottom. In this way, the transparent cover body 1 becomes a laminated glass, which effectively improves the explosion-proof performance of the transparent cover body 1 and improves its safety; in addition, the laminated glass has a good thermal insulation effect, which can effectively isolate the heat transfer between the upper and lower sides of the transparent cover body 1, so that after the transparent cover body 1 is defogged once, the visual area 3 can remain fog-free for a long time, thereby achieving energy saving. Since the first glass layer 11 is exposed to the outside of the cable trench, in order to improve the dustproof effect of the first glass layer 11, a transparent self-cleaning coating 14 is provided on the upper side of the first glass layer 11. In this embodiment, the transparent self-cleaning coating 14 is a transparent super-hydrophilic coating. After being washed by road surface water, the dirt attached to its surface can be quickly peeled off to achieve a self-cleaning effect; the visual cable trench cover also includes a controller 7, and the two graphene heating films 2 are connected in parallel and electrically connected to the output end of the controller 7. In this embodiment, the rated working voltage of each graphene heating film 2 is DC 24V.In this way, on the one hand, the controller 7 can centrally control the power on or off of the two graphene heating films 2 at the same time to ensure the defog efficiency, and the control logic is simple, reducing the cost of the control module; on the other hand, the two graphene heating films 2 can work independently, and damage to one of them does not affect the working state of the other, which is beneficial to extending the defog life of the transparent cover body 1.

[0018] Reference Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9In a preferred embodiment, the airflow drying module 8 includes a mounting frame 81, the inner wall of the mounting frame 81 is slidably connected to the outside of the graphene heating film 2, the upper side of the mounting frame 81 is fitted with the bottom of the visible area 3, and the two mounting frames 81 are connected to two symmetrical connecting frames 89 on the opposite sides by bolts, and the inner walls of the connecting frames 89 are connected to the insertion seat 810 by bolts, and the insertion seat 810 is provided with a circular hole, and the inner wall of the circular hole is slidably connected with a fixing pin 811, and the upper side of the fixing pin 811 is bonded to the bottom of the visible area 3, and the upper side of the insertion seat 810 is provided with three circumferentially equidistantly distributed sliding grooves 812, and the sliding grooves 812 are slidably connected with a card block 813, and the fixing pin 811 is provided with a ring shaped groove 814, the outer parts of the slide groove 812 on the same side are all clamped with the inner wall of the annular groove 814; the upper side of the insertion seat 810 is connected with a rotating frame 815 by rotating on the bearing, and is located outside the fixed pin 811. Three curved grooves 816 with equal distances around the circumference are opened on the rotating frame 815, and short shafts 817 are slidably connected in the curved grooves 816. The three short shafts 817 on the same rotating frame 815 are respectively connected to the opposite side of the block 813 by bolts, and the inner wall of the rotating frame 815 is connected with a coil spring 818 by bolts, and the end of the coil spring 818 away from the rotating frame 815 is connected to the upper side of the insertion seat 810 on the same side by bolts, and the bottoms of the two graphene heating films 2 are both fitted with two symmetrical A heat spreader 83 is provided, and a plurality of copper heat conducting sheets 84 are arranged at equal intervals on the side of the heat spreader 83 away from the connecting frame 89. Two symmetrical grooves are provided on the opposite sides of the two mounting frames 81, and a heat dissipation grille 85 is connected in the groove by bolts; the heat dissipation grille 85 on the same side is connected to the side opposite to the plurality of copper heat conducting sheets 84 by bolts, and a fixing frame 87 is connected in the groove by bolts, and a fan 88 is arranged on the fixing frame 87, and two symmetrical springs 86 are connected in the inner wall of the side of the mounting frame 81 away from the connecting frame 89 by bolts, and one end of the spring 86 away from the mounting frame 81 is connected to the bottom of the heat spreader 83 on the same side by bolts, and the opposite sides of the two mounting frames 81 are connected by bolts. The fixing plate 819 is bolted and connected; the bottom of the fixing plate 819 is provided with a circular opening, and the rotating disk 820 is rotatably connected in the circular opening through a bearing, the bottom of the rotating disk 820 is connected with a slide bar 821 through bolts, and the outside of the slide bar 821 is slidably connected with the fixing plate 822, the outside of the two installation frames 81 is connected with the fixing frame 9 through bolts, and the outside of the fixing frame 9 is connected with a driving motor 823 through bolts, and the two driving motors 823 are respectively connected to the bottom of the two sliding bars 821 through a coupling, and the bottom of the rotating disk 820 is connected with three circumferentially equidistantly distributed hydraulic rods 824 through bolts, and the output ends of the hydraulic rods 824 are connected to the upper side of the fixing plate 822 on the same side through bolts;The outsides of the two fixing plates 822 are connected to the flow-gathering frames 82 by bolts. The two flow-gathering frames 82 are staggered and symmetrically distributed. The inner walls of the two flow-gathering frames 82 are connected to the embedded frames 825 by bolts. The bottoms of the embedded frames 825 are connected to the guide pipes 826 by bolts. The guide pipes 826 are located inside the flow-gathering frames 82. The embedded frames 825 are provided with fans 827. The inner walls of the flow-gathering frames 82 are connected to the diffusion grilles 828 by bolts. The wall is connected with a hydraulic rod 830 by bolts, the output end of the hydraulic rod 830 is connected with a connecting piece 831 by bolts, and the outside of the connecting piece 831 is rotatably connected with two symmetrical push-pull rods 832 through a bearing, and the two push-pull rods 832 on the same flow-gathering frame 82 are rotatably connected with an expansion cover 829 at one end away from the connecting piece 831 through a bearing, and the two expansion covers 829 on the same flow-gathering frame 82 are connected to the upper side of the flow-gathering frame 82 through a hinge. ;

[0019] Specifically, the insertion seat 810 connected to the connecting frame 89 on the installation frame 81 is aligned with the fixing pin 811 connected to the bottom of the visual area 3 and inserted, so that the fixing pin 811 is inserted into the insertion seat 810, and the rotating frame 815 is rotated. The rotating frame 815 overcomes the torsion of the coil spring 818 and rotates and pushes the block 813 connected to the short shaft 817 to move outward from the axis of the insertion seat 810 through the curved groove 816, so that the fixing pin 811 can be completely inserted into the insertion seat 810, and the rotating frame 815 is released. Under the torsion of the coil spring 818, the block 813 slides and resets on the slide groove 812 so that the block 813 can be inserted into the annular groove 814 to clamp the fixing pin 811. The mounting frame 81 can be fixed on the outside of the graphene heating film 2. Under the elastic force of the spring 86, the heat spreader 83 will be pressed by the spring 86 to fit on the surface of the graphene heating film 2. When the water mist layer condensed at the bottom of the visible area 3 is shallow, after the visible area 3 starts to heat up, the heat spreader 83 absorbs and concentrates the heat generated in the visible area 3 and conducts it to the heat dissipation grille 85 through the copper heat conductive sheet 84, so that the heat is diffused on the heat dissipation grille 85, and the fan 88 is started. The fan 88 draws out the air heated by the heat on the heat dissipation grille 85 to blow the water mist condensed at the bottom of the visible area 3, so that the water mist evaporates quickly. More serious water mist or even condensation occurs at the bottom of the visible area 3. When the hydraulic rod 824 is started, the output end of the hydraulic rod 824 is extended, so that the fixed plate 822 drives the focusing frame 82 to descend from the installation frame 81 and be exposed, the driving motor 823 is started, and the driving motor 823 drives the focusing frame 82 connected to the fixed plate 822 to rotate 90 degrees, so that the focusing frame 82 is perpendicular to the installation frame 81, so that the main body of the focusing frame 82 in the length direction can be rotated to the center position of the visual area 3, and the hydraulic rod 830 is started, and the output end of the driving motor 823 is extended, so that the connecting piece 831 is driven to move upward, so that the push-pull rod 832 on the connecting piece 831 can push the expansion cover 829 on the focusing frame 82 from the closed state to the central position of the visual area 3. It turns to the open state and starts the second fan 827. The second fan 827 extracts the heat generated in the visible area 3 in the installation frame 81 and transports it into the focusing frame 82 through the guide pipe 826. When the hot air passes through the diffusion grille 828, the diffusion grille 828 divides and guides the hot air so that the hot air can blow to the bottom center of the visible area 3 above the focusing frame 82 and diffuse to the surrounding areas; the device uses the airflow drying module 8 to choose between drying mist and drying condensation. The device now has a better processing effect when dealing with different situations, thereby improving the applicability of the device, ensuring the normal progress of cable observation work, and improving the work efficiency of workers.

[0020] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cover plate with a graphene heating film, characterized in that: The invention comprises a transparent cover body (1) and two graphene heating films (2), wherein the two graphene heating films (2) are arranged on the lower side of the transparent cover body (1), a visible area (3) is formed between the two graphene heating films (2), the two graphene heating films (2) are arranged along the length direction of the transparent cover body (1), a heat-conductive and heat-resistant adhesive layer (4) is arranged between each of the graphene heating films (2) and the transparent cover body (1), a frosted area (5) is provided on the lower side of the transparent cover body (1), the frosted area (5) is arranged on both sides of the visible area (3), the frosted area (5) and the graphene heating film (2) are arranged one by one, and a controller (7) is also included, and the two graphene heating films (2) are electrically connected to the controller (7) after being connected in parallel.

2. A cover plate with a graphene heating film according to claim 1, characterized in that: An anti-slip film (6) is provided on the upper side of the transparent cover body (1), and the anti-slip film (6) is provided on both sides of the visual area (3). The anti-slip film (6) and the graphene heating film (2) are provided in a one-to-one correspondence, and each edge of the transparent cover body (1) is provided with rounded corners.

3. A cover plate with a graphene heating film according to claim 2, characterized in that: The transparent cover plate body (1) comprises a first glass layer (11), an intermediate adhesive film layer (12) and a second glass layer (13) which are arranged in sequence from top to bottom.

4. A cover plate with a graphene heating film according to claim 3, characterized in that: A transparent self-cleaning coating (14) is provided on the upper side of the first glass layer (11), and airflow drying modules (8) are provided outside the two graphene heating films (2).

5. A cover plate with a graphene heating film according to claim 4, characterized in that: The airflow drying module (8) comprises a mounting frame (81), the inner wall of the mounting frame (81) is slidably connected to the outside of the graphene heating film (2), the upper side of the mounting frame (81) is in contact with the bottom of the visible area (3), and the two mounting frames (81) are fixedly connected to two symmetrical connecting frames (89) on opposite sides, and the inner walls of the connecting frames (89) are fixedly connected to insertion seats (810), and the insertion seats (810) are provided with circular holes. The inner wall of the hole is slidably connected to a fixing pin (811), the upper side of the fixing pin (811) is bonded to the bottom of the visible area (3), and the upper side of the insertion seat (810) is provided with three circumferentially equidistantly distributed sliding grooves (812), the sliding grooves (812) are slidably connected to a clamping block (813), the fixing pin (811) is provided with an annular groove (814), and the outer side of the sliding groove (812) on the same side is clamped to the inner wall of the annular groove (814).

6. A cover plate with a graphene heating film according to claim 5, characterized in that: The upper side of the insertion seat (810) is connected to a rotating frame (815) by rotation on a bearing, and is located outside the fixed pin (811). The rotating frame (815) is provided with three circumferentially equidistantly distributed curved grooves (816), and short shafts (817) are slidably connected in the curved grooves (816). The three short shafts (817) on the same rotating frame (815) are respectively fixedly connected to the side opposite to the clamping block (813), and the inner wall of the rotating frame (815) is fixedly connected to a coil spring ( 818), one end of the coil spring (818) away from the rotating frame (815) is fixedly connected to the upper side of the insertion seat (810) on the same side, and the bottoms of the two graphene heating films (2) are fitted with two symmetrical heat spreaders (83), and the side of the heat spreader (83) away from the connecting frame (89) is provided with a plurality of equidistantly distributed copper heat conducting plates (84), and two symmetrical grooves are provided on the opposite sides of the two mounting frames (81), and heat dissipation grilles (85) are fixedly connected in the grooves.

7. A cover plate with a graphene heating film according to claim 6, characterized in that: The heat dissipation grille (85) located on the same side is fixedly connected to the side opposite to the plurality of copper heat conducting plates (84), a fixing frame (87) is fixedly connected in the groove, a fan (88) is arranged on the fixing frame (87), and two symmetrical springs (86) are fixedly connected to the inner wall of the side of the installation frame (81) away from the connecting frame (89), one end of the spring (86) away from the installation frame (81) is fixedly connected to the bottom of the heat spreader (83) on the same side, and a fixing plate (819) is fixedly connected to the opposite side of the two installation frames (81).

8. A cover plate with a graphene heating film according to claim 7, characterized in that: The bottom of each fixed plate (819) is provided with a circular opening, and a rotating disk (820) is movably connected inside the circular opening; the bottom of each rotating disk (820) is fixedly connected with a sliding rod (821); the outside of each sliding rod (821) is slidably connected with a fixed plate (822); the outsides of the two mounting frames (81) are fixedly connected with a fixing frame (9); the outsides of each fixing frame (9) are fixedly connected with a driving motor (823); the two driving motors (823) are respectively connected to the bottoms of the two sliding rods (821) through couplings; and the bottom of each rotating disk (820) is fixedly connected with three circumferentially equidistantly distributed hydraulic rods (824); the output ends of the hydraulic rods (824) are fixedly connected to the upper side of the fixed plate (822) on the same side.

9. A cover plate with a graphene heating film according to claim 8, characterized in that: The outsides of the two second fixing plates (822) are fixedly connected to a flow collecting frame (82), the two flow collecting frames (82) are staggered and symmetrically distributed, the inner walls of the two flow collecting frames (82) are fixedly connected to a chimeric frame (825), the bottoms of the chimeric frames (825) are fixedly connected to a guide pipe (826), the guide pipe (826) is located inside the flow collecting frame (82), the chimeric frames (825) are provided with a second fan (827), and the inner walls of the flow collecting frames (82) are fixedly connected to a diffusion grille (828).

10. A cover plate with a graphene heating film according to claim 9, characterized in that: The bottom inner wall of the flow-gathering frame (82) is fixedly connected to a second hydraulic rod (830), the output end of the second hydraulic rod (830) is fixedly connected to a connecting piece (831), and the outside of the connecting piece (831) is movably connected to two symmetrical push-pull rods (832), and the two push-pull rods (832) on the same flow-gathering frame (82) are movably connected to an expansion cover (829) at one end away from the connecting piece (831), and the two expansion covers (829) on the same flow-gathering frame (82) are connected to the upper side of the flow-gathering frame (82) via hinges.

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