An energy data visualization display device and method

Abstract

The present invention discloses a display device and method for visualizing energy data, including a frame and a second electric roller. One side of the frame is fixedly connected with a housing. The upper and lower sides of the housing are symmetrically provided with first electric rollers, and the first electric rollers are connected by a dust-proof curtain. The inner side of the dust-proof curtain is connected with a cleaning cotton board. The second electric rollers are symmetrically arranged on the frame and are arranged outside the first electric rollers. At the same time, mounting holes are formed on the frame. The second electric rollers are connected by a traction belt, and a purging cover is connected to the traction belt. For this display device and method for visualizing energy data, when the display screen is not needed, the first electric roller can rotate to release the dust-proof curtain, so that the dust-proof curtain can be used to shield the display screen from dust. At the same time, when the dust-proof curtain is released and wound up, it will drive the cleaning cotton board to move up and down, so that the cleaning cotton board can be used to wipe the display screen before and after the device is used.

Description

Technical Field

[0001] The present invention relates to the technical field of data display, and particularly to a display device and method for visualizing energy data. Background Technique

[0002] Energy refers to resources that can provide energy, such as heat energy, electrical energy, light energy, mechanical energy, chemical energy, etc. Visualization is the theory, method, and technology that uses computer graphics and image processing technologies to convert data into graphics or images and display them on a screen, and then perform interactive processing. A display device is required in the process of analyzing energy data. After retrieval, it is found that a typical energy data display device in the prior art is, for example, a data display device based on an energy BI intelligent system with the publication number CN215379672U, which relates to the field of BI intelligent systems. It includes a housing, a baffle is fixed to the inner wall of the housing, and a number of uniformly distributed mounting openings are provided in the baffle. Heat sinks are fixed to the inner walls of the mounting openings. A cleaning mechanism is provided at the rear side of the housing, and the cleaning mechanism includes a servo motor fixed to the top of the housing and a threaded rod fixed to one end of the output shaft of the servo motor through a coupling. Its main feature is that the heat generated by the electronic components in the device is transferred to the heat sinks. The heat sinks are exposed to the air to dissipate the heat. When the heat dissipation effect cannot keep up, cold water is added to the collection box. The servo motor drives the threaded rod to drive the mounting frame and the sponge to slide up and down. After the sponge absorbs the cold water, it can not only wipe the surface of the heat sinks to keep them clean, but also cool the surface of the heat sinks, greatly improving the heat dissipation effect of the device.

[0003] To sum up, most of the display screens of the existing energy data display devices are arranged in an exposed state, so that their surfaces are easily contaminated by dust, thereby affecting their display effects. In view of the above problems, it is necessary to improve the existing equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide a display device and method for visualizing energy data to solve the problem that most of the display screens of the existing energy data display devices are arranged in an exposed state, so that their surfaces are easily contaminated by dust, thereby affecting their display effects as mentioned in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A display device and method for visualizing energy data, including a frame and a second electric roller.

[0006] A housing is fixedly connected to one side of the frame, and a display screen is arranged inside the housing. At the same time, a wiring groove is provided on one side wall of the housing. First electric rollers are symmetrically arranged on the upper and lower sides of the housing, and a dust-proof curtain is connected between the first electric rollers. A cleaning cotton board is connected to the inner side of the dust-proof curtain, and a traction belt is arranged on the outer side of the dust-proof curtain.

[0007] The second electric roller is symmetrically arranged on the frame, and the second electric roller is arranged outside the first electric roller. Meanwhile, mounting holes are provided on the frame. The second electric rollers are connected by a traction belt, and a purging cover is connected to the traction belt. Meanwhile, a dust extraction cover is arranged on one side of the purging cover. Both the purging cover and the dust extraction cover are connected to a circulation mechanism, and the circulation mechanism is installed inside the partition board. A chassis is arranged on one side of the circulation mechanism, and the side wall of the chassis is connected to the partition board through a suspension rod. Meanwhile, the partition board is symmetrically arranged inside the frame. Linkage dust prevention mechanisms are symmetrically arranged on both sides of the chassis, and the linkage dust prevention mechanisms are connected to a dust-proof curtain. An acquisition module, a generation module, and a display module are arranged inside the chassis, and the acquisition module, the generation module, and the display module are electrically connected to a sample database. Meanwhile, the sample database is connected to the Internet.

[0008] Preferably, the dust-proof curtain is wound on the first electric roller, and both the first electric roller and the second electric roller are fixedly connected to the frame through brackets.

[0009] Preferably, the cleaning cotton board is clamped in the card seat, and the card seats are symmetrically arranged inside the dust-proof curtain.

[0010] Preferably, the traction belt is arranged outside the dust-proof curtain, and both ends of the dust-proof curtain are connected to the first electric roller through rigging.

[0011] Preferably, the circulation mechanism includes a filter box, a conveying pipeline, a circulation pump, a filter screen, and a limiting member. A filter screen is arranged inside the filter box. The filter box is connected to one end of the circulation pump through the conveying pipeline, and the other end of the circulation pump is connected to the purging cover.

[0012] Preferably, the filter box is connected to the dust extraction cover and the heat dissipation pipe network through pipelines, and the heat dissipation pipe network is arranged on one side of the chassis.

[0013] Preferably, the filter screens are equidistantly distributed inside the filter box, and the filter screens are clamped in the limiting members. Meanwhile, the limiting members are fixedly arranged inside the filter box.

[0014] Preferably, the linkage dust prevention mechanism includes an elastic dust-proof cloth, a sliding plate, a convex rod, a guiding groove, and a linkage rod. The upper and lower ends of the elastic dust-proof cloth are respectively fixedly connected to the frame and the sliding plate. The sliding plate is slidably connected in the guiding groove, and the guiding groove is opened on the partition board.

[0015] Preferably, convex rods are symmetrically arranged on one side surface of the sliding plate, and the convex rods are connected to the dust-proof curtain through the linkage rod.

[0016] The usage method of the display device for visualizing energy data includes the following steps:

[0017] S1: The first electric roller rotates to wind up the dust-proof curtain in front of the display screen, exposing the display screen. During the upward movement of the dust-proof curtain, the cleaning cotton board will be driven to move downward synchronously. During the downward movement of the cleaning cotton board, the surface of the display screen will be wiped and cleaned. At the same time, the acquisition module in the chassis will receive the energy data collected and uploaded, and the received data will be output to the generation module. The generation module will generate a chart, a bar chart or a pie chart according to the requirements;

[0018] S2: The user can apply and draw on the best display form of the generated data through the sample database updated in real time by accessing the network. The generated chart, bar chart or pie chart will be visually displayed through the display screen;

[0019] S3: Driven by the linkage rod, the sliding plate will move upward along the partition board during the upward winding of the dust-proof curtain. During the movement of the partition board, the dust-proof curtain will be folded to expose the chassis inside it, thereby facilitating its rapid heat dissipation during the display work;

[0020] S4: After the display, the staff can control the second electric roller to wind up the traction belt, so that the blowing cover and the dust extraction cover move upward along with it. Under the pumping action of the circulating pump, the blowing cover will blow the dust on the display screen, and at the same time, the dust extraction cover will extract the blown dust, and the extracted dust will finally enter the filter box;

[0021] S5: The airflow that enters the filter box together with the dust will be divided into two parts and discharged to the blowing cover and the heat dissipation pipe network respectively after being filtered by the filter screen. The airflow that enters the blowing cover will continue to be used for dust blowing work, and the airflow that enters the heat dissipation pipe network will be discharged to the chassis to help it dissipate heat. After the dust blowing is completed, the second electric roller rotates in the reverse direction to reset the blowing cover and the dust extraction cover;

[0022] S6: The first electric roller rotates in the reverse direction to lower the dust-proof curtain to cover the display screen to prevent it from being contaminated by dust. At the same time, during the downward movement of the dust-proof curtain, the cleaning cotton board will be driven to move downward synchronously. During the downward movement of the cleaning cotton board, the surface of the display screen will be further wiped and cleaned.

[0023] Compared with the prior art, the beneficial effects of the present invention are: the display device and method for visualizing energy data,

[0024] (1) By the combined use of the first electric roller and the linkage dust-proof mechanism, the present invention can effectively solve the problem that most display screens of existing energy data display devices are set in an exposed state, so that their surfaces are easily contaminated by dust, thereby affecting their display effects. The first electric roller can rotate to release the dust-proof curtain when the display screen is not in use, so that the dust-proof curtain can be used to block and prevent dust from the display screen. At the same time, when the dust-proof curtain is released and wound up, it will drive the cleaning cotton board to move up and down, so that the cleaning cotton board can be used to wipe and clean the display screen before and after the device is used. At the same time, when the first electric roller winds up and releases the dust-proof curtain, it will drive the slide plate to lift the elastic dust-proof cloth through the linkage rod, so that the chassis can be exposed, which is convenient for the chassis to dissipate heat during operation. Compared with the existing display devices, the present application is provided with a dust-proof component, and the dust-proof component can be automatically stored and unfolded to block and display the display screen and the chassis, so as to prevent it from being contaminated by external dust when not in use, and the dust-proof curtain will drive the cleaning cotton board to clean the display screen when being stored and unfolded, so as to facilitate ensuring the display effect of the display screen;

[0025] (2) By the combined use of the second electric roller, the blowing cover, the dust suction cover and the circulation mechanism, the present invention can effectively solve the problem that most existing display devices do not have the function of self-cleaning, and manual cleaning is relatively cumbersome and troublesome. During the process of the second electric roller winding up and releasing the traction belt, the blowing cover and the dust suction cover can move up and down. Driven by the circulation pump, the blowing cover will blow the dust on the display screen, and at the same time, the dust suction cover will extract the blown dust. The extracted dust will be discharged into the internal of the filter box. The air flow that enters the filter box together with the dust will be filtered by the filter screen and then discharged into the internal of the blowing cover and the heat dissipation pipe network respectively. The air flow that enters the blowing cover will continue to be used for the dust blowing work of the display screen, and the air flow that enters the heat dissipation pipe network will be discharged to the chassis to blow and remove dust from it and help it dissipate heat at the same time;

[0026] (3) By the combined use of the acquisition module, the generation module, the display module and the sample database, the present invention can effectively solve the problem that the visualization production process of existing display devices mostly requires manual production of the display form, that is, the display template, and the manual production efficiency is low and is greatly affected by personal ability, thereby affecting the display effect. The sample database stores the previous energy data visualization display materials, and the sample database is connected to the Internet to update the latest visualization display forms on the Internet in real time, so as to facilitate users to selectively use and reference according to the visualization display requirements of energy data. Compared with manual production of the display template, it is more convenient and fast, and has lower requirements for the technical level of the staff themselves, so as to facilitate reducing the labor intensity of the staff while ensuring the display effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic main sectional structure view of the present invention;

[0028] Figure 2 is a front view structural schematic diagram of the present invention;

[0029] Figure 3 is a side view structural schematic diagram of the present invention;

[0030] Figure 4 is the present invention Figure 1 magnified structural schematic diagram at position A in;

[0031] Figure 5 is the present invention Figure 1 magnified structural schematic diagram at position B in;

[0032] Figure 6 is a side view structural schematic diagram of the positional relationship between the frame and the heat conduction plate of the present invention;

[0033] Figure 7 is a schematic diagram of the visualization working principle of the present invention.

[0034] In the figure: 1, frame; 2, housing; 3, display screen; 4, wiring groove; 5, first electric roller; 6, second electric roller; 7, dust-proof curtain; 8, card seat; 9, cleaning cotton board; 10, traction belt; 11, purging cover; 12, dust extraction cover; 13, circulation mechanism; 1301, filter box; 1302, conveying pipeline; 1303, circulation pump; 1304, filter screen; 1305, limiting member; 14, partition board; 15, suspension rod; 16, chassis; 17, linkage dust-proof mechanism; 1701, elastic dust-proof cloth; 1702, slide plate; 1703, convex rod; 1704, guide groove; 1705, linkage rod; 18, mounting hole; 19, bracket. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] Please refer to Figure 1-7 , the present invention provides a technical solution: a display device and method for visualizing energy data,

[0037] Embodiment 1

[0038] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, a housing 2 is fixedly connected to one side of the frame 1, a display screen 3 is arranged inside the housing 2, a wiring groove 4 is formed on one side wall of the housing 2, first electric rollers 5 are symmetrically arranged on the upper and lower sides of the housing 2, and a dust-proof curtain 7 is connected between the first electric rollers 5. A cleaning cotton board 9 is connected to the inner side of the dust-proof curtain 7, and a traction belt 10 is arranged on the outer side of the dust-proof curtain 7;

[0039] In a further embodiment, the dust-proof curtain 7 is wound on the first electric roller 5, and both the first electric roller 5 and the second electric roller 6 are fixedly connected to the frame 1 through brackets 19.

[0040] In a further embodiment, the cleaning cotton board 9 is clamped in the card seat 8, and the card seats 8 are symmetrically arranged on the inner side of the dust-proof curtain 7.

[0041] Specifically, when the cleaning cotton board 9 needs to be replaced or cleaned, the staff can manually pull it out of the card seat 8, and the disassembly process is relatively convenient and fast.

[0042] In a further embodiment, the traction belt 10 is arranged on the outer side of the dust-proof curtain 7, and both ends of the dust-proof curtain 7 are connected to the first electric roller 5 through rigging.

[0043] As Figure 1 、 Figure 2 、 Figure 5 、 Figure 6 and Figure 7 shown, second electric rollers 6 are symmetrically arranged on the frame 1, the second electric rollers 6 are arranged on the outer side of the first electric rollers 5, an installation hole 18 is formed on the frame 1, the second electric rollers 6 are connected through a traction belt 10, a blowing hood 11 is connected to the traction belt 10, a dust extraction hood 12 is arranged on one side of the blowing hood 11, both the blowing hood 11 and the dust extraction hood 12 are connected to a circulation mechanism 13, the circulation mechanism 13 is installed inside a partition plate 14, a chassis 16 is arranged on one side of the circulation mechanism 13, the side wall of the chassis 16 is connected to the partition plate 14 through a suspension rod 15, the partition plates 14 are symmetrically arranged inside the frame 1, linkage dust-proof mechanisms 17 are symmetrically arranged on both sides of the chassis 16, the linkage dust-proof mechanisms 17 are connected to the dust-proof curtain 7, an acquisition module, a generation module and a display module are arranged inside the chassis 16, the acquisition module, the generation module and the display module are electrically connected to a sample database, and the sample database is connected to the Internet.

[0044] In a further embodiment, the circulation mechanism 13 includes a filter box 1301, a conveying pipeline 1302, a circulation pump 1303, a filter screen 1304 and a limiting member 1305, a filter screen 1304 is arranged inside the filter box 1301, the filter box 1301 is connected to one end of the circulation pump 1303 through the conveying pipeline 1302, and the other end of the circulation pump 1303 is connected to the blowing hood 11.

[0045] In a further embodiment, the filter box 1301 is connected to the dust extraction hood 12 and the heat dissipation pipe network respectively through pipes, and the heat dissipation pipe network is arranged on one side of the chassis 16.

[0046] In a further embodiment, the filter meshes 1304 are evenly distributed inside the filter box 1301, and the filter meshes 1304 are snap-fitted into the limiting members 1305, and at the same time, the limiting members 1305 are fixedly arranged inside the filter box 1301.

[0047] Specifically, the limiting members 1305 function to fix the filter meshes 1304, and the filter meshes 1304 are snap-connected into the limiting members 1305, so as to facilitate the disassembly and replacement of the filter meshes 1304.

[0048] In a further embodiment, the linkage dust-proof mechanism 17 includes an elastic dust-proof cloth 1701, a sliding plate 1702, a convex rod 1703, a guide groove 1704 and a linkage rod 1705. The upper and lower ends of the elastic dust-proof cloth 1701 are respectively fixedly connected to the frame 1 and the sliding plate 1702. The sliding plate 1702 is slidably connected in the guide groove 1704, and the guide groove 1704 is opened on the partition plate 14.

[0049] In a further embodiment, convex rods 1703 are symmetrically arranged on one side surface of the sliding plate 1702, and the convex rods 1703 are connected to the dust-proof curtain 7 through the linkage rod 1705.

[0050] Specifically, the linkage rod 1705 functions to connect the dust-proof curtain 7 and the convex rod 1703, so as to facilitate the dust-proof curtain 7 to drive the sliding plate 1702 to move up and down, and further facilitate the stacking and unfolding of the elastic dust-proof cloth 1701.

[0051] Embodiment 2

[0052] This embodiment is a further description of the above embodiment. It should be understood that this embodiment includes all the foregoing technical features and makes a further specific description.

[0053] The usage method of the display device for visualizing energy data includes the following steps:

[0054] The first electric roller 5 rotates to wind up the dust-proof curtain 7 to expose the display screen 3. At the same time, during the process of winding up and moving up the dust-proof curtain 7, the cleaning cotton board 9 will be driven to move up synchronously to wipe the surface of the display screen 3. At the same time, the acquisition module in the chassis 16 will receive the energy data collected and uploaded, and the received data will be output to the generation module. The generation module will generate a chart, a bar chart or a pie chart according to the display requirements. The user can apply and draw on the best display form of the generated data through the sample database updated in real time by accessing the network. The generated chart, bar chart or pie chart will be displayed through the display screen 3.

[0055] Driven by the linkage rod 1705, the slide plate 1702 will move upward along the partition plate 14 during the upward winding and retraction of the dust-proof curtain 7. During the movement of the partition plate 14, the dust-proof curtain 7 will be folded to expose the chassis 16 inside it, thereby facilitating the heat dissipation of the chassis 16 during the display work. After the display, the staff can control the second electric roller 6 to wind up the traction belt 10, so that the blowing cover 11 and the dust extraction cover 12 move upward accordingly. Under the pumping action of the circulating pump 1303, the blowing cover 11 will blow the dust on the display screen 3, and at the same time, the dust extraction cover 12 will extract the blown dust. The extracted dust will be discharged into the filter box 1301 through the pipeline. The air flow that enters the filter box 1301 together with the dust will be filtered by the filter screen 1304 and then discharged to the blowing cover 11 and the heat dissipation pipe network respectively. The air flow that enters the blowing cover 11 will continue to be used for dust blowing work, and the air flow that enters the heat dissipation pipe network will be discharged to the chassis 16 to help it dissipate heat.

[0056] After the dust blowing is completed, the second electric roller 6 rotates in the reverse direction to reset the blowing cover 11 and the dust extraction cover 12. The first electric roller 5 rotates in the reverse direction to lower the dust-proof curtain 7 to cover the display screen 3 to prevent it from being contaminated by dust. At the same time, during the downward movement of the dust-proof curtain 7, the cleaning cotton board 9 will be driven to move downward synchronously. During the downward movement of the cleaning cotton board 9, the surface of the display screen 3 will be further wiped and cleaned.

[0057] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A display device for visualizing energy data, comprising a frame (1) and a second electric roller (6), characterized in that: One side of the frame (1) is fixedly connected with a housing (2), and a display screen (3) is arranged inside the housing (2). At the same time, a wiring groove (4) is opened on one side wall of the housing (2). The first electric rollers (5) are symmetrically arranged on the upper and lower sides of the housing (2), and a dust-proof curtain (7) is connected between the first electric rollers (5). A cleaning cotton board (9) is connected to the inner side of the dust-proof curtain (7), and a traction belt (10) is arranged on the outer side of the dust-proof curtain (7); The second electric rollers (6) are symmetrically arranged on the frame (1), and the second electric rollers (6) are arranged outside the first electric rollers (5). At the same time, mounting holes (18) are opened on the frame (1). The second electric rollers (6) are connected by a traction belt (10), and a purging cover (11) is connected to the traction belt (10). At the same time, a dust extraction cover (12) is arranged on one side of the purging cover (11). Both the purging cover (11) and the dust extraction cover (12) are connected to a circulation mechanism (13), and the circulation mechanism (13) is installed inside a partition board (14). One side of the circulation mechanism (13) is provided with a chassis (16), and the side wall of the chassis (16) is connected to the partition board (14) through a suspension rod (15). At the same time, the partition board (14) is symmetrically arranged inside the frame (1). Linkage dust-proof mechanisms (17) are symmetrically arranged on both sides of the chassis (16), and the linkage dust-proof mechanisms (17) are connected to the dust-proof curtain (7). An acquisition module, a generation module and a display module are arranged inside the chassis (16), and the acquisition module, the generation module and the display module are electrically connected to a sample database. At the same time, the sample database accesses the Internet. The linkage dust-proof mechanism (17) includes an elastic dust-proof cloth (1701), a sliding plate (1702), a convex rod (1703), a guide groove (1704) and a linkage rod (1705). The upper and lower ends of the elastic dust-proof cloth (1701) are respectively fixedly connected to the frame (1) and the sliding plate (1702). The sliding plate (1702) is slidably connected inside the guide groove (1704), and the guide groove (1704) is opened on the partition board (14). Convex rods (1703) are symmetrically arranged on one side surface of the sliding plate (1702), and the convex rods (1703) are connected to the dust-proof curtain (7) through a linkage rod (1705).

2. The display device for visualizing energy data according to claim 1, wherein: The dust-proof curtain (7) is wound on the first electric roller (5), and both the first electric roller (5) and the second electric roller (6) are fixedly connected to the frame (1) through brackets (19).

3. The display device for visualizing energy data according to claim 1, characterized in that: The cleaning cotton board (9) is clamped in a card seat (8), and the card seats (8) are symmetrically arranged on the inner side of the dust-proof curtain (7).

4. The display device for visualizing energy data according to claim 1, characterized in that: The traction belt (10) is arranged on the outer side of the dust-proof curtain (7), and both ends of the dust-proof curtain (7) are connected to the first electric roller (5) through rigging.

5. The display device for visualizing energy data according to claim 1, characterized in that: The recycling mechanism (13) includes a filter box (1301), a conveying pipeline (1302), a recycling pump (1303), a filter screen (1304) and a limiting member (1305), and a filter screen (1304) is arranged in the filter box (1301). The filter box (1301) is connected to one end of the recycling pump (1303) through the conveying pipeline (1302), and the other end of the recycling pump (1303) is connected to the purging hood (11).

6. The display device for visualizing energy data according to claim 5, wherein: The filter box (1301) is connected to the dust extraction hood (12) and the heat dissipation pipe network respectively through pipelines, and the heat dissipation pipe network is arranged on one side of the chassis (16).

7. An energy data visualization display device according to claim 5, characterized in that: The filter screens (1304) are evenly distributed inside the filter box (1301), and the filter screens (1304) are engaged in the limiting members (1305), and at the same time, the limiting members (1305) are fixedly arranged inside the filter box (1301).

8. A display device for visualizing energy data according to any one of claims 1-7, characterized in that, The usage method of the display device for visualizing energy data includes the following steps: S1: The first electric roller (5) rotates to wind up the dust-proof curtain (7) in front of the display screen (3) so that the display screen (3) is exposed. During the upward movement of the dust-proof curtain (7), the cleaning cotton board (9) will be driven to move upward synchronously. During the upward movement of the cleaning cotton board (9), the surface of the display screen (3) will be wiped and cleaned. At the same time, the acquisition module in the chassis (16) will receive the energy data collected and uploaded, and the received data will be output to the generation module. The generation module will generate a chart, a bar chart or a pie chart according to requirements; S2: The user can apply and draw on the best display form of the generated data through the sample database updated in real time by accessing the network. The generated chart, bar chart or pie chart will be visually displayed through the display screen (3); S3: Driven by the linkage rod (1705), the sliding plate (1702) will move upward along the partition plate (14) during the upward winding of the dust-proof curtain (7). During the movement of the partition plate (14), the dust-proof curtain (7) will be folded so that the chassis (16) inside it is exposed, which is convenient for rapid heat dissipation during the display work; S4: After the display, the staff can control the second electric roller (6) to wind up the traction belt (10), so that the purging hood (11) and the dust extraction hood (12) move upward accordingly. Under the pumping action of the recycling pump (1303), the purging hood (11) will purge the dust on the display screen (3), and at the same time, the dust extraction hood (12) will extract the purged dust, and the extracted dust will finally enter the filter box (1301); S5: The air flow that enters the filter box (1301) together with the dust will be divided into two parts after being filtered by the filter screen (1304) and discharged into the purging hood (11) and the heat dissipation pipe network respectively. The air flow that enters the purging hood (11) will continue to be used for dust purging work, and the air flow that enters the heat dissipation pipe network will be discharged to the chassis (16) to help it dissipate heat. After the dust blowing is completed, the second electric roller (6) rotates in the reverse direction to reset the purging hood (11) and the dust extraction hood (12); S6: The first electric roller (5) rotates in the reverse direction to lower the dust-proof curtain (7) to cover the display screen (3) to prevent it from being contaminated by dust. At the same time, during the downward movement of the dust-proof curtain (7), the cleaning cotton board (9) will be driven to move downward synchronously. During the downward movement of the cleaning cotton board (9), the surface of the display screen (3) will be further wiped and cleaned.

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