Self-circulation fresh air purification device for clean room

By using material rollers and recycling rollers in the clean room fresh air device to achieve seamless replacement of the filter layer, the problem of traditional filter elements cannot be replaced is solved, ensuring the continuous purification of air in the clean room and the long-term and stable operation of the equipment.

CN222335544UActive Publication Date: 2025-01-10SHANDONG TIANJIE ENVIRONMENTAL PURIFICATION TECH CO LTD
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Patent Information

Application Number
CN202421159717.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-01-10
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The filter element of the traditional clean room fresh air device cannot be replaced after a long time of use, causing impurities to enter the clean room through the filter element, affecting the air purification effect.

Method used

A clean room self-circulation purification fresh air device is designed. The filter layer is covered on the air exhaust chamber through material rollers and recycling rollers. The filter layer slides during the exhaust process. The unused filter layer is covered on the air exhaust chamber. The recycling roller is recycled. The filtered filter layer is used to enable the filter element to be replaced without shutting down.

Benefits of technology

The seamless replacement of the filter element is achieved, ensuring the continuous purification of air in the clean room, avoiding the entry of impurities, and extending the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fresh air devices, and discloses a self-circulation fresh air purification device for a clean room. Comprising an air draft bin and an air inlet bin which are of a cavity structure with openings in the two ends, the opening of the air inlet bin is tightly connected with the opening of the air draft bin, one end of the filter layer is wound on a material roller, and the other end of the filter layer is wound on a recovery roller; and the filter layer between the material roller and the recovery roller covers and presses an opening, close to one end of the air inlet bin, of the air draft bin. The technical effects can be realized as follows: the filter layer covers the air draft bin through the material roller and the recovery roller, so that the filter layer can play a role in filtering, the filter layer can slide on the upper part of the air draft bin in the air draft process of the air draft bin, and the unused filter layer on the material roller can cover the air draft bin, so that the air draft bin can be recycled. And the recovery roller can recover the filtered filter layer, so that the replacement of the filter layer of the filter element can be realized under the condition that the machine is not stopped.
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Description

Technical Field

[0001] The present application relates to the technical field of fresh air devices, for example, to a self-circulating and purifying fresh air device for a clean room. Background Art

[0002] At present, clean rooms are generally used for sterile and dust-free operation environments. The air in the clean room is generally purified by an internal circulation fresh air device, which can greatly reduce the entry of outdoor dust or bacteria into the clean room;

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] When traditional clean rooms use fresh air devices to circulate and process the air, due to the long-term use of the filter element, a large amount of dust and bacteria are likely to remain on the filter element. If the filter element is not cleaned in time, it is easy for impurities to enter the clean room through the filter element. However, when the clean room is used for a long time, the filter element cannot be replaced. Utility Model Content

[0005] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0006] The disclosed embodiment provides a clean room self-circulating fresh air purification device to solve the problem that the filter element cannot be replaced during use.

[0007] In some embodiments, the clean room self-circulation purification fresh air device includes: an exhaust bin, which is a cavity structure with openings at both ends; an air inlet bin, which is a cavity structure with openings at both ends, the air inlet bin opening is closely connected to the exhaust bin opening, a material roller, rotatably arranged on one side of the exhaust bin; a recovery roller, rotatably arranged on the other side of the exhaust bin; a filter layer, one end of which is wound around the material roller and the other end is wound around the recovery roller; the filter layer between the material roller and the recovery roller is covered and pressed on the opening of the exhaust bin close to one end of the air inlet bin, and the air inlet bin is pressed on the filter layer.

[0008] In some embodiments, a plurality of support rollers are provided in the opening of the exhaust bin close to the air inlet bin, and the side edges of the support rollers are flush with the side walls of the exhaust bin opening.

[0009] In some embodiments, a tensioning portion is provided between the air exhaust bin and the air inlet bin.

[0010] In some embodiments, the tensioning part includes: a hinged frame, fixedly connected to the side wall of the exhaust bin; a connecting frame, which is a U-shaped structure with a notch, fixedly connected to the side wall of the air inlet bin; a hinged screw, hingedly connected to the hinged frame, and the hinged screw can be movably clamped on the connecting frame; a booster spring, sleeved on the hinged screw, and one end of the booster spring is pressed on the side of the connecting frame away from the hinged frame; a connecting nut, threadedly connected to the hinged screw, and the connecting nut is pressed on the booster spring.

[0011] In some embodiments, guide rollers are respectively arranged on both sides of the exhaust bin, and the two guide rollers are respectively arranged on one side close to the material roller and the recovery roller.

[0012] In some embodiments, the material roller is externally covered with a first cover body, and a first connecting hole for accommodating the filter layer to pass through is provided on a side of the first cover body.

[0013] In some embodiments, the recycling roller is externally covered with a second cover body, and a second connecting hole for accommodating the filter layer to pass through is provided on a side of the second cover body.

[0014] In some embodiments, the side of the air inlet bin 200 is an arc-shaped structure.

[0015] In some embodiments, an exhaust fan is provided inside the exhaust bin.

[0016] In some embodiments, a guide pipe is provided between the exhaust bin and the exhaust fan, the inner wall of the guide pipe is a circular tubular structure, and the guide pipe is sleeved on the exhaust fan.

[0017] The clean room self-circulating fresh air purification device provided in the embodiments of the present disclosure can achieve the following technical effects:

[0018] The filter layer is covered on the exhaust bin by means of the material roller and the recovery roller, so that the filter layer can play a filtering role. During the exhaust bin exhaust process, the filter layer can slide on the upper part of the exhaust bin, and the unused filter layer cover on the material roller can be placed on the exhaust bin, and the recovery roller can recycle the filtered filter layer, thereby realizing the replacement of the filter layer of the filter element without stopping the machine.

[0019] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0021] Figure 1 It is a schematic diagram of the structure of a clean room self-circulating fresh air purification device provided by an embodiment of the present disclosure;

[0022] Figure 2 It is a schematic diagram of the structure of the air inlet bin of the clean room self-circulation purification fresh air device provided in the embodiment of the present disclosure;

[0023] Figure 3 It is a schematic diagram of the structure of the exhaust fan and the air guide pipe provided in the embodiment of the present disclosure;

[0024] Figure 4 Schematic diagram of the filter layer of the clean room self-circulation purification fresh air device provided in the embodiment of the present disclosure;

[0025] Figure 5 It is a schematic diagram of an air inlet bin provided in an embodiment of the present disclosure.

[0026] Reference numerals:

[0027] 100, exhaust bin; 200, air inlet bin; 300, material roller; 400, recovery roller; 500, filter layer; 201, support roller; 101, hinged frame; 202, connecting frame; 102, hinged screw; 203, booster spring; 204, connecting nut; 103, guide roller; 301, first cover; 302, first connecting hole; 401, second cover; 402, second connecting hole; 104, exhaust fan; 105, guide pipe DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0029] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so as to describe the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0030] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0031] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0032] Unless otherwise stated, the term "plurality" means two or more.

[0033] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0034] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0036] Combination Figure 1-5 As shown, the embodiment of the present disclosure provides a self-circulating fresh air purification device for a clean room, comprising: an exhaust bin 100, which is a cavity structure with openings at both ends; an air inlet bin 200, which is a cavity structure with openings at both ends, the opening of the air inlet bin 200 is closely connected to the opening of the exhaust bin 100, a material roller 300, which is rotatably arranged on one side of the exhaust bin 100; a recovery roller 400, which is rotatably arranged on the other side of the exhaust bin 100; a filter layer 500, one end of which is wound around the material roller 300, and the other end of which is wound around the recovery roller 400; the filter layer 500 between the material roller 300 and the recovery roller 400 is covered and pressed on the opening of the exhaust bin 100 close to one end of the air inlet bin 200, and the air inlet bin 200 is pressed on the filter layer 500.

[0037] By using the clean room self-circulation purification fresh air device provided by the embodiment of the present disclosure, the air in the clean room can be extracted through the exhaust bin 100 to drive the flow of air, the air inlet bin 200 covers the air inlet opening of the exhaust bin 100, and the air in the clean room can enter the exhaust bin 100 through the air inlet bin 200. The filter layer 500 between the exhaust bin 100 and the air inlet bin 200 can filter the air, so that the air is purified and then the exhaust bin 100 enters the clean room. The two sides of the exhaust bin 100 are respectively provided with a material roller 300 and a recovery roller 400, one end of the filter layer 500 is wrapped around and covered on the material roller 300, and the filter layer 500 0 is rolled up on the material roller 300 over a large range, and the other end of the filter layer 500 is rolled up on the recovery roller 400. The filter layer 500 between the material roller 300 and the recovery roller 400 covers the exhaust bin 100. The filter layer 500 can filter the air entering the exhaust bin 100. The rotation of the recovery roller 400 can drive the filter layer 500 to move at the opening of the exhaust bin 100, so that the unused filter layer 500 on the material roller 300 can cover the exhaust bin 100, so that the filter layer 500 that has been used for a long time can be recycled by the recovery roller 400, so that the replacement of the filter net can be displayed while air filtering.

[0038] Optionally, a plurality of support rollers 201 are provided in the opening of the exhaust bin 100 close to the air inlet bin 200, and the side edges of the support rollers 201 are flush with the side walls of the opening of the exhaust bin 100. In this way, the support rollers 201 on the side of the exhaust bin 100 close to the air inlet bin 200 can support the filter layer 500 at the opening of the exhaust bin 100, so as to prevent the filter layer 500 from entering the exhaust bin 100 due to excessive negative pressure in the exhaust bin 100. The filter layer 500 is pressed on the support rollers 201, and the two sides of the filter layer 500 are respectively covered on the side walls of the exhaust bin 100 on both sides of the support rollers 201, thereby ensuring the sealing between the exhaust bin 100 and the filter layer 500.

[0039] Optionally, a tensioning part is provided between the exhaust chamber 100 and the air inlet chamber 200. In this way, the pressure between the exhaust chamber 100 and the air inlet chamber 200 can be reduced by the tensioning part, so that the filter layer 500 between the exhaust chamber 100 and the air inlet chamber 200 can be clamped, and the sealing between the filter layer 500 and the exhaust chamber 100 and the air inlet chamber 200 can be increased.

[0040] Optionally, the tensioning part includes: an articulated frame 101, fixedly connected to the side wall of the exhaust bin 100; a connecting frame 202, which is a U-shaped structure with a notch, fixedly connected to the side wall of the air inlet bin 200; an articulated screw 102, articulatedly connected to the articulated frame 101, and the articulated screw 102 can be movably clamped on the connecting frame 202; a booster spring 203, sleeved on the articulated screw 102, and one end of the booster spring 203 is pressed on the side of the connecting frame 202 away from the articulated frame 101; a connecting nut 204, threadedly connected to the articulated screw 102, and the connecting nut 204 is pressed on the booster spring 203. In this way, the tensioning part consists of an articulated frame 101, a connecting frame 202 and an articulated screw 102. The articulated frame 101 is fixedly connected in the exhaust bin 100, and the connecting frame 202 is fixed in the air inlet bin 200. The articulated screw 102 is articulated on the articulated frame 101, and the articulated screw 102 can swing on the articulated frame 101. The articulated screw 102 can be embedded in the connecting frame 202 to the U-shaped notch, and then the articulated bolt can be clamped on the connecting frame 202 through the connecting nut 204. In this way, the exhaust bin 100 and the air inlet bin 200 can be tightly connected, and the booster spring 203 arranged between the connecting bolt and the connecting frame 202 can increase the elastic pressure between the exhaust bin 100 and the air inlet bin 200, and the clamping pressure between the exhaust bin 100 and the air inlet bin 200 can be controlled by the booster spring 203.

[0041] Optionally, guide rollers 103 are respectively provided on both sides of the exhaust bin 100, and the two guide rollers 103 are respectively provided on one side close to the material roller 300 and the recovery roller 400. In this way, the guide rollers 103 on both sides of the exhaust bin 100 can guide the filter layer 500 to prevent the filter layer 500 on the material roller 300 and the recovery roller 400 from scratching the side wall of the exhaust bin 100.

[0042] Optionally, the material roller 300 is provided with a first cover body 301 on the outside, and a first connecting hole 302 for accommodating the filter layer 500 is provided on the side of the first cover body 301. The first cover body 301 can protect and support the material roller 300, and can prevent pollutants from contaminating the filter layer 500 on the material roller 300. The first connecting hole 302 can allow the filter layer 500 to pass through, and facilitate the filter layer 500 to move on the exhaust chamber 100.

[0043] Optionally, the recycling roller 400 is provided with a second cover 401 on the outside, and the second cover 401 has a second connecting hole 402 on the side thereof for accommodating the filter layer 500 to pass through. In this way, the second cover 401 can protect and support the recycling roller 400, and can prevent the pollutants on the filter layer 500 after filtering on the recycling roller 400 from being discharged, and the second connecting hole 402 can allow the filter layer 500 to pass through, so that the filter layer 500 can enter the second cover 401 conveniently.

[0044] Optionally, the side of the air inlet bin 200200 is an arc-shaped structure. In this way, the arc-shaped structure on the side of the air inlet bin 200 is arranged on the side where the filter layer 500 enters, which can facilitate the entry of the filter layer 500.

[0045] Optionally, an exhaust fan 104 is provided inside the exhaust chamber 100. In this way, the exhaust fan 104 in the exhaust chamber 100 can exhaust air by rotating, so that air can pass through the filter layer 500.

[0046] Optionally, a guide tube 105 is provided between the exhaust chamber 100 and the exhaust fan 104, the inner wall of the guide tube 105 is a circular tubular structure, and the guide tube 105 is sleeved on the exhaust fan 104. In this way, the inner wall of the guide tube 105 is a circular structure, which can increase the exhaust efficiency of the exhaust fan 104. The guide tube 105 is provided in the exhaust chamber 100, which can play a role in supporting the exhaust fan 104.

[0047] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A clean room self-circulating fresh air purification device, characterized in that: include: The exhaust chamber (100) is a hollow structure with openings at both ends; The air inlet bin (200) is a hollow structure with openings at both ends. The opening of the air inlet bin (200) is closely connected to the opening of the air exhaust bin (100). A material roller (300) is rotatably arranged on one side of the exhaust bin (100); A recovery roller (400) is rotatably disposed on the other side of the exhaust bin (100); A filter layer (500), one end of which is wound around the material roller (300) and the other end of which is wound around the recovery roller (400); The filter layer (500) between the material roller (300) and the recovery roller (400) covers and is pressed onto an opening of the exhaust bin (100) at one end close to the air inlet bin (200), and the air inlet bin (200) is pressed onto the filter layer (500).

2. The clean room self-circulating fresh air purification device according to claim 1 is characterized in that: A plurality of support rollers (201) are arranged in an opening of the exhaust bin (100) on one side close to the air inlet bin (200), and the side edges of the support rollers (201) are flush with the side walls of the opening of the exhaust bin (100).

3. The clean room self-circulating fresh air purification device according to claim 1 is characterized in that: A tensioning portion is provided between the air exhaust bin (100) and the air inlet bin (200).

4. The clean room self-circulating fresh air purification device according to claim 3 is characterized in that: The tensioning portion comprises: A hinged frame (101) fixedly connected to the side wall of the exhaust bin (100); The connecting frame (202) is a U-shaped structure with a notch and is fixedly connected to the side wall of the air inlet bin (200); An articulated screw rod (102) is hingedly connected to the articulated frame (101), and the articulated screw rod (102) can be movably clamped on the connecting frame (202); A pressure-boosting spring (203) is sleeved on the hinge screw (102), and one end of the pressure-boosting spring (203) is pressed on a side of the connecting frame (202) away from the hinge frame (101); A connecting nut (204) is threadedly connected to the hinge screw (102), and the connecting nut (204) is pressed onto the boosting spring (203).

5. The clean room self-circulating fresh air purification device according to claim 1 is characterized in that: Guide rollers (103) are respectively arranged on both sides of the exhaust bin (100), and the two guide rollers (103) are respectively arranged on one side close to the material roller (300) and the recovery roller (400).

6. The clean room self-circulating fresh air purification device according to claim 5, characterized in that: The material roller (300) is externally sleeved with a first cover body (301), and a first connecting hole (302) for accommodating the filter layer (500) to pass through is provided on a side of the first cover body (301).

7. The clean room self-circulating fresh air purification device according to claim 6, characterized in that: The recycling roller (400) is externally sleeved with a second cover body (401), and the side of the second cover body (401) is provided with a second connecting hole (402) for accommodating the filter layer (500) to pass through.

8. The clean room self-circulating fresh air purification device according to claim 6, characterized in that: The side of the air inlet bin 200 is an arc-shaped structure.

9. The clean room self-circulating fresh air purification device according to claim 6, characterized in that: An exhaust fan (104) is provided inside the exhaust chamber (100).

10. The clean room self-circulating fresh air purification device according to claim 9, characterized in that: A flow guide pipe (105) is provided between the exhaust chamber (100) and the exhaust fan (104); the inner wall of the flow guide pipe (105) is a circular tubular structure, and the flow guide pipe (105) is sleeved on the exhaust fan (104).