Fresh air self-circulation device for clean room

Abstract

The utility model discloses a fresh air self-circulation device for a clean room. The fresh air self-circulation device comprises a fresh air pipeline, a supporting frame, a filtering mechanism and a cleaning mechanism. The filtering mechanism is arranged in the fresh air pipeline and comprises a filtering part and a flow guide part, the filtering part is connected with the inner wall of the supporting frame in a penetrating mode, and the flow guide part is fixedly connected with the inner wall of the bottom of the fresh air pipeline; the cleaning mechanism is arranged in the fresh air pipeline and comprises a cleaning part and a driving part, the cleaning part is slidably connected with the exterior of the filtering part, and the driving part is rotationally connected with the inner wall of the fresh air pipeline in a penetrating mode and used for driving the cleaning part to move; the cleaning mechanism is arranged in the fresh air pipeline, the driving motor is started, the threaded rod is driven to rotate through the output end of the driving motor, the movable frame is driven to move through rotation of the threaded rod, the scraper is driven to move through movement of the movable frame, and dust on the surface of the filter screen is scraped, swept and removed through the scraper. And dust accumulation is prevented from affecting ventilation of the filter screen.

Description

Technical Field

[0001] This utility model relates to the field of fresh air equipment technology, and in particular to a cleanroom fresh air self-circulation device. Background Technology

[0002] A cleanroom fresh air self-circulation unit is an air handling system used in cleanrooms or dust-free workshops to maintain indoor air cleanliness and good environmental conditions. This unit effectively introduces fresh air while maintaining indoor air quality through circulation and filtration.

[0003] Existing cleanroom fresh air self-circulation devices require air filtration within the fresh air ducts to ensure air cleanliness within the cleanroom. Typically, dust is first intercepted by a filter screen, followed by secondary filtration by a filter element. However, dust tends to accumulate on the filter screen over time, clogging it and hindering airflow. Therefore, this solution proposes a cleanroom fresh air self-circulation device to address these issues. Summary of the Invention

[0004] The purpose of this invention is to provide a cleanroom fresh air self-circulation device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cleanroom fresh air self-circulation device, comprising:

[0006] Fresh air ducts;

[0007] The support frame is fixedly installed on the inner wall of the fresh air duct;

[0008] A filtration mechanism is provided inside a fresh air duct. The filtration mechanism includes a filtration section and a flow guide section. The filtration section is inserted and connected to the inner wall of the support frame, and the flow guide section is fixedly connected to the bottom inner wall of the fresh air duct. The filtration section is used for air filtration inside the fresh air duct.

[0009] A cleaning mechanism is provided inside a fresh air duct. The cleaning mechanism includes a cleaning part and a driving part. The cleaning part is slidably connected to the outside of the filter part, and the driving part is rotatably inserted into the inner wall of the fresh air duct. The driving part is used to drive the cleaning part to move.

[0010] Preferably, the filtration section includes a filter screen, which is disposed inside the fresh air duct. The outer wall of the filter screen is interlocked with the inner wall of the support frame. The bottom of the filter screen is fixedly connected to the flow guide section, and the surface of the filter screen is slidably connected to the cleaning section.

[0011] Preferably, the flow guiding part includes a flow guiding plate, one end of which is fixedly connected to the bottom of the filter screen, and the other end of which is away from the filter screen is fixedly connected to the inner wall of the bottom of the fresh air duct.

[0012] Preferably, the cleaning unit includes:

[0013] A scraper, one end of which is slidably connected to the surface of the filter screen;

[0014] A movable frame, one end of which is fixedly connected to the end of the scraper away from the filter screen, and the end of the movable frame away from the scraper is threadedly connected to the drive unit.

[0015] Preferably, the driving unit includes:

[0016] A threaded rod is installed inside the fresh air duct. Both ends of the threaded rod are rotatably connected to the inner wall of the fresh air duct, and the outer wall of the threaded rod is threadedly connected to the end of the movable frame away from the scraper.

[0017] A drive motor is fixedly installed on the outer wall of the fresh air duct, and the output end of the drive motor is fixedly connected to one end of the threaded rod.

[0018] A plurality of sliding rods are disposed inside the fresh air duct, with both ends of the plurality of sliding rods fixedly connected to the inner wall of the fresh air duct, and the outer walls of the plurality of sliding rods respectively slidably interlocked with both ends of the movable frame.

[0019] Preferably, a collection groove is provided at the bottom of the fresh air duct, a storage box is fixedly installed at the bottom of the fresh air duct, and mounting brackets are fixedly installed at both ends of the storage box.

[0020] Preferably, a bolt is inserted and connected to the end of the mounting bracket away from the fresh air duct, and the threaded end of the bolt is inserted and connected to the threaded bottom of the fresh air duct.

[0021] The technical effects and advantages of this utility model are as follows:

[0022] This invention incorporates a cleaning mechanism within the fresh air duct. Activating the drive motor rotates a threaded rod, which in turn moves a movable frame. This movement of the movable frame then moves a scraper, which scrapes and removes dust from the filter surface, preventing dust accumulation from affecting the filter's ventilation. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0024] Figure 2 This is a cross-sectional view of the cleaning mechanism of this utility model.

[0025] Figure 3 This is a cross-sectional view of the filtration mechanism of this utility model.

[0026] Figure 4 This is a cross-sectional view of the storage box of this utility model.

[0027] In the diagram: 1. Fresh air duct; 2. Mounting bracket; 3. Storage box; 4. Bolt; 5. Filter screen; 6. Deflector plate; 7. Sliding rod; 8. Moving frame; 9. Scraper; 10. Threaded rod; 11. Drive motor; 12. Support frame. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] refer to Figure 1-4 As shown:

[0030] Example 1: This utility model provides a cleanroom fresh air self-circulation device, comprising:

[0031] Fresh air duct 1;

[0032] Support frame 12 is fixedly installed on the inner wall of fresh air duct 1;

[0033] The filter mechanism is installed inside the fresh air duct 1. The filter mechanism includes a filter section and a flow guide section. The filter section is inserted and connected to the inner wall of the support frame 12. The flow guide section is fixedly connected to the bottom inner wall of the fresh air duct 1. The filter section is used for air filtration inside the fresh air duct 1.

[0034] Specifically, the filtration section includes a filter screen 5, which is installed inside the fresh air duct 1. The outer wall of the filter screen 5 is interlocked with the inner wall of the support frame 12. The bottom of the filter screen 5 is fixedly connected to the flow guide section, and the surface of the filter screen 5 is slidably connected to the cleaning section.

[0035] It should be noted that the support frame 12 is installed inside the fresh air duct 1, and the outer wall of the support frame 12 is fixedly connected to the inner wall of the fresh air duct 1. The outer wall of the filter screen 5 is interlaced with the inner wall of the support frame 12. The filter screen 5 filters the air inside the fresh air duct 1 to prevent dust in the air from entering the fresh air duct 1 and improve air quality.

[0036] Example 2: This utility model provides a cleaning mechanism applied to a cleanroom fresh air self-circulation device in Example 1. The cleaning mechanism is installed inside the fresh air duct 1 and includes a cleaning part and a driving part. The cleaning part is slidably connected to the outside of the filter part, and the driving part is rotatably inserted into the inner wall of the fresh air duct 1. The driving part is used to drive the cleaning part to move.

[0037] Specifically, the cleaning department includes:

[0038] Scraper 9, one end of scraper 9 is slidably connected to the surface of filter screen 5;

[0039] The movable frame 8 has one end fixedly connected to the end of the scraper 9 away from the filter screen 5, and the end of the movable frame 8 away from the scraper 9 is threadedly connected to the drive unit.

[0040] Specifically, the drive unit includes:

[0041] Threaded rod 10 is installed inside fresh air duct 1. Both ends of threaded rod 10 are rotatably inserted into the inner wall of fresh air duct 1, and the outer wall of threaded rod 10 is threadedly inserted into the end of movable frame 8 away from scraper 9.

[0042] Drive motor 11 is fixedly installed on the outer wall of fresh air duct 1, and the output end of drive motor 11 is fixedly connected to one end of threaded rod 10.

[0043] Sliding rods 7, multiple sliding rods 7 are set inside the fresh air duct 1, the two ends of multiple sliding rods 7 are fixedly connected to the inner wall of the fresh air duct 1, and the outer walls of multiple sliding rods 7 are slidably inserted and connected to the two ends of the movable frame 8 respectively.

[0044] It should be noted that the threaded rod 10 is installed inside the fresh air duct 1. The two ends of the threaded rod 10 are rotatably inserted into the inner wall of the fresh air duct 1. The outer wall of the threaded rod 10 is threadedly sleeved into the inner wall of the movable frame 8. The two ends of the movable frame 8 are slidably inserted into the outer wall of the sliding rod 7. The two ends of the sliding rod 7 are fixedly connected to the inner wall of the fresh air duct 1. The sliding rod 7 supports the movable frame 8 to improve stability. The end of the movable frame 8 away from the threaded rod 10 is fixedly connected to the scraper 9. The end of the scraper 9 away from the movable frame 8 is slidably connected to the surface of the filter screen 5. The drive motor 11 is fixedly installed on the outer wall of the fresh air duct 1. The output end of the drive motor 11 is fixedly connected to one end of the threaded rod 10. When the filter screen 5 needs to be cleaned, the drive motor 11 is started. The output end of the drive motor 11 drives the threaded rod 10 to rotate. The rotation of the threaded rod 10 drives the movable frame 8 to move. The movement of the movable frame 8 drives the scraper 9 to move, so that the scraper 9 can scrape and remove the dust on the surface of the filter screen 5, so as to avoid the accumulation of dust affecting the ventilation of the filter screen 5.

[0045] A collection trough is provided at the bottom of the fresh air duct 1, and a storage box 3 is fixedly installed at the bottom of the fresh air duct 1. Mounting brackets 2 are fixedly installed at both ends of the storage box 3.

[0046] Specifically, a bolt 4 is inserted and connected to the end of the mounting bracket 2 away from the fresh air duct 1, and the threaded end of the bolt 4 is inserted and connected to the threaded bottom of the fresh air duct 1.

[0047] Specifically, the airflow guiding part includes a guide plate 6, one end of which is fixedly connected to the bottom of the filter screen 5, and the other end of the guide plate 6 away from the filter screen 5 is fixedly connected to the bottom inner wall of the fresh air duct 1.

[0048] It should be noted that one end of the guide plate 6 is fixedly connected to the bottom of the filter screen 5, and the end of the guide plate 6 away from the filter screen 5 is fixedly connected to the bottom inner wall of the fresh air duct 1. The storage box 3 is fixedly connected to the bottom of the fresh air duct 1, and both ends of the storage box 3 are fixedly connected to the mounting bracket 2. The end of the mounting bracket 2 away from the fresh air duct 1 is connected to the bolt 4. The threaded end of the bolt 4 is connected to the threaded bottom of the fresh air duct 1. The mounting bracket 2 is fixedly connected to the bottom of the fresh air duct 1 by the bolt 4. The storage box 3 is fixedly connected to the fresh air duct 1 by the mounting bracket 2. The storage box 3 is located at the bottom of the collection tank. The guide plate 6 guides the dust scraped off the filter screen 5, allowing the dust to enter the storage box 3 through the collection tank. The storage box 3 collects the dust for subsequent cleaning.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cleanroom fresh air self-circulation device, characterized in that, include: Fresh air duct (1); Support frame (12), which is fixedly installed on the inner wall of fresh air duct (1); The filter mechanism is installed inside the fresh air duct (1). The filter mechanism includes a filter section and a flow guide section. The filter section is inserted and connected to the inner wall of the support frame (12). The flow guide section is fixedly connected to the bottom inner wall of the fresh air duct (1). The filter section is used for air filtration inside the fresh air duct (1). The cleaning mechanism is installed inside the fresh air duct (1). The cleaning mechanism includes a cleaning part and a driving part. The cleaning part is slidably connected to the outside of the filter part. The driving part is rotatably inserted into the inner wall of the fresh air duct (1). The driving part is used to drive the cleaning part to move.

2. The cleanroom fresh air self-circulation device according to claim 1, characterized in that, The filter section includes a filter screen (5), which is disposed inside the fresh air duct (1). The outer wall of the filter screen (5) is interlocked with the inner wall of the support frame (12). The bottom of the filter screen (5) is fixedly connected to the flow guide section, and the surface of the filter screen (5) is slidably connected to the cleaning section.

3. The cleanroom fresh air self-circulation device according to claim 2, characterized in that, The flow guide includes a flow guide plate (6), one end of which is fixedly connected to the bottom of the filter screen (5), and the other end of which is away from the filter screen (5) is fixedly connected to the bottom inner wall of the fresh air duct (1).

4. A cleanroom fresh air self-circulation device according to claim 2, characterized in that, The cleaning unit includes: Scraper (9), one end of which is slidably connected to the surface of filter screen (5); The movable frame (8) is fixedly connected at one end to the end of the scraper (9) away from the filter screen (5), and the end of the movable frame (8) away from the scraper (9) is threadedly connected to the drive unit.

5. A cleanroom fresh air self-circulation device according to claim 4, characterized in that, The drive unit includes: Threaded rod (10), the threaded rod (10) is installed inside the fresh air duct (1), the two ends of the threaded rod (10) are rotatably inserted into the inner wall of the fresh air duct (1), and the outer wall of the threaded rod (10) is threadedly inserted into the end of the movable frame (8) away from the scraper (9). A drive motor (11) is fixedly installed on the outer wall of the fresh air duct (1), and the output end of the drive motor (11) is fixedly connected to one end of the threaded rod (10). Sliding rods (7), multiple sliding rods (7) are set inside the fresh air duct (1), the two ends of multiple sliding rods (7) are fixedly connected to the inner wall of the fresh air duct (1), and the outer walls of multiple sliding rods (7) are slidably inserted and connected to the two ends of the movable frame (8).

6. A cleanroom fresh air self-circulation device according to claim 1, characterized in that, The bottom of the fresh air duct (1) is provided with a collection groove, and a storage box (3) is fixedly installed at the bottom of the fresh air duct (1). Mounting brackets (2) are fixedly installed at both ends of the storage box (3).

7. A cleanroom fresh air self-circulation device according to claim 6, characterized in that, The mounting bracket (2) has a bolt (4) inserted at the end away from the fresh air duct (1), and the threaded end of the bolt (4) is threadedly connected to the bottom of the fresh air duct (1).

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