Air draft device and cleaning equipment

By designing an exhaust device in the photovoltaic cleaning equipment, and using enclosure components and regulating components to extract the mixed gas, the problems of corrosion and safety hazards of the mixed gas are solved, thereby improving the safety and reliability of the equipment.

CN224087560UActive Publication Date: 2026-04-07HANS LASER TECH IND GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The acidic or alkaline mixed gases generated in photovoltaic cleaning equipment can corrode metal parts, pose a fire risk, and may cause harm to the production environment and workers.

Method used

Design an exhaust device including a baffle assembly and an adjustment assembly. The baffle assembly forms an exhaust channel, and the external exhaust device creates negative pressure to extract the mixed gas. The adjustment assembly regulates the air volume to prevent excessive negative pressure from affecting the liquid level balance inside the equipment.

Benefits of technology

It effectively prevents the mixture of gases from corroding metal parts, reduces the risk of fire, improves production safety, and protects workers and the environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of laser processing, and relates to an air draft device and cleaning equipment. The air draft device comprises a fence assembly and an adjusting assembly. The enclosure assembly is installed on the side wall of a first cavity to be subjected to air draft, the enclosure assembly comprises a plurality of enclosure plates, the enclosure plates define an air draft channel, the air draft channel is connected with an external air draft device, and a plurality of first air draft openings are formed in the enclosure plates. The adjusting assembly comprises an adjusting plate and a moving part, the adjusting plate abuts against the surrounding plate, a plurality of second suction openings are formed in the adjusting plate and can communicate with the first suction openings, and the moving part is connected with the adjusting plate so as to drive the adjusting plate to move on the surrounding plate. And the air quantity passing through the first suction opening and the second suction opening is adjusted. The cleaning equipment provided by the utility model comprises the air draft device. According to the invention, gas is prevented from harming the production environment and workers, and the production safety is improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of laser processing, and more particularly relates to an air extraction device and a cleaning device. BACKGROUND

[0002] The photovoltaic cleaning device comprises a plurality of groove bodies, and a large amount of acidic or alkaline solution is contained in different groove bodies. The acidic or alkaline solution can form a large amount of mixed gas such as acid gas and alkali gas in the interior of a machine table of the photovoltaic cleaning device in the production process. Over a long period of time, the mixed gas can corrode metal components and can also cause a fire. In addition, the leakage of the mixed gas to the outside of the machine table can also have an adverse effect on workers and other related facilities near the machine table, thereby reducing production safety. CONTENT OF THE UTILITY MODEL

[0003] The embodiment of the application provides an air extraction device and a cleaning device, which can extract and treat the mixed gas generated in the photovoltaic cleaning device, prevent the mixed gas from harming the production environment and workers, and improve production safety.

[0004] The technical scheme adopted by the embodiment of the application is as follows: an air extraction device is provided, which comprises:

[0005] A fence assembly is installed on the side wall of a first cavity to be extracted, and comprises a plurality of fence plates. The plurality of fence plates are arranged to form an air extraction channel. The air extraction channel is connected with an external air extraction device. A plurality of first air extraction openings are arranged on the fence plates.

[0006] An adjusting assembly comprises an adjusting plate and a moving piece. The adjusting plate abuts against the fence plates. A plurality of second air extraction openings are arranged on the adjusting plate. The second air extraction openings can be in communication with the first air extraction openings. The moving piece is connected with the adjusting plate to drive the adjusting plate to move on the fence plates, so as to adjust the air volume passing through the first air extraction openings and the second air extraction openings.

[0007] Optionally, the moving piece comprises a fixing part, a connecting part and an adjusting part. The fixing part is installed on the fence plates. The connecting part is installed on the adjusting plate. The adjusting part is connected with the connecting part and the fixing part. The adjusting part is used for adjusting the distance between the connecting part and the fixing part.

[0008] Optionally, an external thread is arranged on the outer side wall of the adjusting part. A threaded hole is arranged on the fixing part. The adjusting part is arranged in the threaded hole of the fixing part, so that the adjusting part is threadedly connected with the fixing part.

[0009] Optionally, the plurality of first air extraction openings are arranged in sequence from dense to sparse along the length direction of the fence plates.

[0010] Optionally, the surrounding plate is provided with a sliding groove, and the adjusting plate is slidingly arranged in the sliding groove of the surrounding plate.

[0011] Optionally, the air suction device further comprises a limiting member arranged on the moving path of the adjusting plate, and the limiting member is used for controlling the maximum or minimum value of the air volume passing through the first air suction port and the second air suction port.

[0012] Optionally, the air suction device further comprises an air suction pipe in communication with the air suction channel, and the air suction pipe is used for connecting the sealed second cavity.

[0013] Optionally, the pipe opening of the air suction pipe is provided with an adjusting blocking member, and the adjusting blocking member is used for adjusting the air inlet volume of the air suction pipe.

[0014] Optionally, the air suction device further comprises an adjusting cover plate, the sidewall of the first cavity is provided with a through hole used for being in communication with the third cavity, the through hole is in communication with the air suction channel, and the adjusting cover plate is rotatably arranged at the through hole to adjust the air inlet volume of the through hole.

[0015] The embodiment of the present application further provides a cleaning device comprising the air suction device.

[0016] The air suction device and the cleaning device provided by the embodiment of the present application have the following beneficial effects: the air suction device of the embodiment of the present application is installed in the cleaning device, the external air suction device forms a negative pressure in the air suction channel, the mixed gas in the cleaning device is sucked into the air suction channel from the first air suction port and the second air suction port, and is then sucked out by the external air suction device. In this way, the mixed gas is prevented from corroding the metal components, the service life of the device is prolonged, the production environment and the workers are prevented from being harmed by the mixed gas, and the production safety is improved.

[0017] In addition, the moving member of the adjusting assembly can drive the adjusting plate to move on the surrounding plate to adjust the air volume passing through the first air suction port and the second air suction port, so that the balance of the liquid level in the tank of the cleaning device is prevented from being affected by the excessive negative pressure in the cleaning device.

[0018] The cleaning device of the embodiment of the present application comprises the air suction device, and thus has the beneficial effects of the air suction device, which will not be described herein. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative labor.

[0020] Figure 1 A perspective structural schematic view of the air draft device provided by the embodiment of the present application is shown in FIG. 1.

[0021] Figure 2 A perspective structural schematic view of the air draft device provided by the embodiment of the present application is shown in FIG. 1. Figure 1 A partial enlarged schematic view at A is shown in FIG. 2.

[0022] Figure 3 A structural schematic view of the adjusting assembly provided by the embodiment of the present application is shown in FIG. 3.

[0023] Figure 4 A structural schematic view of the adjusting assembly provided by the embodiment of the present application is shown in FIG. 3. Figure 3 A partial enlarged schematic view at B is shown in FIG. 4.

[0024] In the drawings, various reference signs represent the following items:

[0025] 1, enclosure assembly; 11, enclosure; 12, air draft passage; 111, first air draft opening; 112, chute;

[0026] 2, adjusting assembly; 21, adjusting plate; 211, second air draft opening; 22, moving piece; 221, fixed part; 222, connecting part; 223, adjusting part;

[0027] 3, air draft pipe; 31, adjusting stop piece;

[0028] 4, through hole. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In addition, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as implying or suggesting relative importance or an indicated number of technical features. Thus, features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0033] Please refer to Figure 1 and Figure 2 , the air extraction device provided by the embodiments of the present application will be described. The air extraction device provided by the embodiments of the present application comprises a surrounding assembly 1 and an adjusting assembly 2. The surrounding assembly 1 is installed on the side wall of a first cavity to be extracted, and the surrounding assembly 1 comprises a plurality of surrounding plates 11, the plurality of surrounding plates 11 are arranged to form an air extraction channel 12, the air extraction channel 12 is connected with an external air extraction device, and a plurality of first air extraction openings 111 are arranged on the surrounding plates 11. The adjusting assembly 2 comprises an adjusting plate 21 and a moving piece 22, the adjusting plate 21 abuts against the surrounding plates 11, a plurality of second air extraction openings 211 are arranged on the adjusting plate 21, the second air extraction openings 211 can be communicated with the first air extraction openings 111, and the moving piece 22 is connected with the adjusting plate 21 to drive the adjusting plate 21 to move on the surrounding plates 11, so as to adjust the air volume passing through the first air extraction openings 111 and the second air extraction openings 211.

[0034] The first cavity in the embodiments of the present application can be specifically the inner side wall of a cleaning device, and the surrounding assembly 1 can be specifically installed above a tank containing a solution.

[0035] The first air extraction openings 111 can be arranged along the spreading direction of the mixed gas in the cleaning device.

[0036] The moving piece 22 of the adjusting assembly 2 can be specifically a linear motor, a pneumatic cylinder or an electric cylinder. The second air extraction openings 211 on the adjusting plate 21 correspond to the first air extraction openings 111 one by one. The adjusting assembly 2 changes the overlapping area of the first air extraction openings 111 and the second air extraction openings 211 during the movement, so that the local or all of the first air extraction openings 111 are covered, thereby adjusting the amount of mixed gas entering the air extraction channel 12.

[0037] In the embodiments of the present application, the surrounding assembly 1 is installed inside the cleaning device, the external air extraction device forms a negative pressure inside the air extraction channel 12, the mixed gas in the cleaning device is sucked into the air extraction channel 12 from the first air extraction openings 111 and the second air extraction openings 211, and is then sucked out by the external air extraction device. In this way, the mixed gas is prevented from corroding metal components, the service life of the device is prolonged, the production environment and the workers are prevented from being harmed by the mixed gas, and the production safety is improved.

[0038] In addition, the adjusting assembly 2 can adjust the air volume passing through the first air suction port 111 and the second air suction port 211, so as to prevent the negative pressure in the cleaning equipment from being too large, thereby affecting the balance of the liquid level in the tank of the cleaning equipment.

[0039] Please refer to Figure 3 and Figure 4 The moving part 22 includes a fixing part 221, a connecting part 222, and an adjusting part 223. The fixing part 221 is installed on the baffle 11, the connecting part 222 is installed on the adjusting plate 21, and the adjusting part 223 is connected with the connecting part 222 and the fixing part 221. The adjusting part 223 is used to adjust the distance between the connecting part 222 and the fixing part 221.

[0040] The adjusting part 223 in the embodiment of the application can specifically include a plug rod and a plug pin. The plug rod is provided with a plurality of plug holes for connecting with the plug pin. The two ends of the plug rod are respectively arranged in the fixing part 221 and the connecting part 222. The plug pin is inserted into the plug hole, so as to fix the length of the plug rod between the connecting part 222 and the fixing part 221.

[0041] The fixing part 221 and the connecting part 222 in the embodiment of the application can be specifically a plate part or a block part.

[0042] Preferably, the outer side wall of the adjusting part 223 is provided with an external thread, and the fixing part 221 is provided with a threaded hole. The adjusting part 223 is arranged in the threaded hole of the fixing part 221, so that the adjusting part 223 is threadedly connected with the fixing part 221.

[0043] The threadedly connecting of the adjusting part 223 with the fixing part 221 can facilitate the fine adjustment of the distance between the connecting part 222 and the fixing part 221. Compared with the position adjustment of the adjusting plate 21 by the driving part such as the air cylinder, the position adjustment of the adjusting plate 21 by the threadedly connecting of the adjusting part 223 with the fixing part 221 has lower cost and smaller size.

[0044] The side wall of the first cavity is provided with an adjusting hole which can extend into the hand. The edge of the adjusting hole can be provided with a cover plate for shielding the adjusting hole. The staff can extend the hand into the adjusting hole and rotate the adjusting part 223, so as to adjust the air volume passing through the first air suction port 111 and the second air suction port 211.

[0045] The plurality of first air suction ports 111 are arranged in the length direction of the baffle 11 from dense to sparse.

[0046] In the embodiment of the application, the length direction of the baffle 11 is parallel to the depth direction of the tank containing the solution in the cleaning equipment. The mixed gas generated by the solution in the tank of the cleaning equipment spreads from the liquid surface to the direction away from the tank bottom. The plurality of first air suction ports 111 are arranged in the direction away from the tank from dense to sparse, so as to fully suck the mixed gas.

[0047] The sliding groove 112 is arranged on the surrounding plate 11, and the adjusting plate 21 is slidingly arranged in the sliding groove 112 of the surrounding plate 11.

[0048] The first air suction port 111 is arranged in the sliding groove 112. The sliding groove 112 can prevent the adjusting plate 21 from deviating during movement, so that the first air suction port 111 is completely closed.

[0049] The air suction device further comprises a limiting piece arranged on the movement path of the adjusting plate 21, and the limiting piece is used for controlling the maximum or minimum value of the air volume passing through the first air suction port 111 and the second air suction port 211.

[0050] The limiting piece can be arranged at both ends of the sliding groove 112, and is used for controlling the movement limit value of the adjusting plate 21, so as to limit the maximum or minimum value of the overlapping area of the first air suction port 111 and the second air suction port 211, and limit the maximum or minimum value of the air volume passing through the first air suction port 111 and the second air suction port 211.

[0051] The limiting piece can be a limiting block or a limiting pin.

[0052] Please refer to Figure 1 and Figure 2 , the air suction device further comprises an air suction pipe 3, the air suction pipe 3 is communicated with the air suction channel 12, and the air suction pipe 3 is used for connecting the closed second cavity.

[0053] The second cavity in the embodiment of the application can be a tank body in which a solution is placed in the cleaning equipment. Due to part of the process, the tank body will be covered with a cover plate during the reaction of some solutions, but a large amount of flammable or acid-base corrosive gas will be generated in the tank body during the production process. If the cover plate is opened after the reaction is completed, and the gas is sucked through the first air suction port 111 and the second air suction port 211, the suction speed may not be high enough, resulting in a large amount of gas leakage.

[0054] The air suction pipe 3 in the embodiment of the application can be inserted into the tank body after the cover plate is covered on the tank body, and the gas is sucked during the production process. The leakage of a large amount of gas after the reaction is prevented.

[0055] The pipe opening of the air suction pipe 3 is provided with an adjusting blocking piece 31, and the adjusting blocking piece 31 is used for adjusting the air inlet amount of the air suction pipe 3.

[0056] The adjusting blocking piece 31 can be a baffle or a blocking block rotationally arranged at the pipe opening of the air suction pipe 3, and the adjusting blocking piece 31 can adjust the air inlet amount of the air suction pipe 3 by adjusting the area of the pipe opening of the air suction pipe 3.

[0057] The adjusting blocking piece 31 can also be a baffle or a blocking block which is telescopically moved along the radial direction of the pipe opening of the air suction pipe 3.

[0058] The air extraction device further comprises an adjusting shield, a side wall of the first cavity is provided with a through hole 4 for communication with the third cavity, the through hole 4 is communicated with the air extraction channel 12, and the adjusting shield is rotatably installed at the through hole 4 to adjust the air inlet amount of the through hole 4.

[0059] The third cavity in the embodiments of the present application can be a cavity for accommodating a pipeline on the cleaning equipment. If the third cavity is corroded by acid and alkali gas, high maintenance cost will be generated.

[0060] The adjusting shield can specifically include a shielding part and a rotating part, the rotating part is installed on the side wall of the first cavity, the rotating part is rotationally connected with the shielding part to drive the shielding part to rotate, so that the area of the shielding part shielding the through hole 4 is adjusted, and the air inlet amount of the through hole 4 is adjusted. The rotating part can be a rotary motor or a rotary cylinder.

[0061] The adjusting shield can also be a shield plate rotatably installed on the side wall of the first cavity through a threaded part such as a screw or a screw rod. The staff can manually rotate the adjusting shield to adjust the air inlet amount of the through hole 4.

[0062] The embodiments of the present application further provide a cleaning equipment comprising the above air extraction device.

[0063] The cleaning equipment of the embodiments of the present application comprises the air extraction device in any of the above embodiments, and thus has the beneficial effects brought by the air extraction device in any of the above embodiments, which will not be repeated here.

[0064] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ventilation device, characterized in that, include: The enclosure assembly is installed on the side wall of the first cavity to be ventilated, and includes several enclosure panels. The enclosure panels are arranged to form an exhaust channel, which is connected to an external exhaust device. Several first exhaust ports are provided on the enclosure panels. The adjustment assembly includes an adjustment plate and a movable component. The adjustment plate abuts against the enclosure. The adjustment plate is provided with a plurality of second exhaust vents, which can communicate with the first exhaust vent. The movable component is connected to the adjustment plate to drive the adjustment plate to move on the enclosure, thereby adjusting the air volume passing through the first exhaust vent and the second exhaust vent.

2. The exhaust device according to claim 1, characterized in that, The movable component includes a fixing part, a connecting part, and an adjusting part. The fixing part is mounted on the enclosure plate, the connecting part is mounted on the adjusting plate, and the adjusting part is connected to the connecting part and the fixing part. The adjusting part is used to adjust the distance between the connecting part and the fixing part.

3. The ventilation device according to claim 2, characterized in that, The outer wall of the adjusting part is provided with an external thread, and the fixing part is provided with a threaded hole. The adjusting part passes through the threaded hole of the fixing part, so that the adjusting part and the fixing part are threadedly connected.

4. The exhaust device according to claim 1, characterized in that, Several of the first exhaust vents are arranged in descending order of density along the length of the enclosure.

5. The exhaust device according to claim 1, characterized in that, The enclosure is provided with a sliding groove, and the adjusting plate is slidably disposed within the sliding groove of the enclosure.

6. The exhaust device according to claim 1, characterized in that, It also includes a limiting component, which is disposed on the moving path of the adjusting plate. The limiting component is used to control the maximum or minimum value of the air volume passing through the first exhaust port and the second exhaust port.

7. The exhaust device according to claim 1, characterized in that, It also includes an exhaust pipe, which is connected to the exhaust channel and is used to connect to the sealed second cavity.

8. The exhaust device according to claim 7, characterized in that, The exhaust pipe is equipped with an adjustment baffle at its inlet, which is used to adjust the air intake of the exhaust pipe.

9. The ventilation device according to any one of claims 1-8, characterized in that, It also includes an adjusting baffle. The side wall of the first cavity is provided with a through hole for communicating with the third cavity. The through hole is connected to the exhaust channel. The adjusting baffle is rotatably installed at the through hole to adjust the air intake of the through hole.

10. A cleaning device, characterized in that, Includes the ventilation device as described in any one of claims 1-9.