Finished product efficient filtering module box suitable for inlet of exhaust fan

Abstract

The finished product high-efficiency filtering module box comprises two module box connection ports, a high-efficiency filter is connected between the two module box connection ports, the high-efficiency filter comprises a shell, an access cover is arranged on one side of the shell, two fixed ventilation plates are fixed in the shell, ventilation openings are formed in the fixed ventilation plates, and the ventilation openings are communicated with the two module box connection ports. A rotating frame is rotationally connected between the fixed ventilation plates, a plurality of filtering assemblies are fixed in the rotating frame, the pressure difference between the two ends is automatically detected through a detector, after the pressure difference reaches a specified value, a driving motor rotates, then the rotating frame is driven to rotate, the positions of the blocked filtering assemblies are replaced, replacement is completed, and the filtering effect is prolonged; and the filtering effect of the ventilation system is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of filter boxes, in particular to a finished high-efficiency filter module box applicable to the inlet of an exhaust fan. Background Art

[0002] Fangcang hospitals are emergency hospitals, generally transformed from gymnasiums, exhibition halls, idle office buildings, etc. When designing the above conventional building ventilation systems, only the usual ventilation requirements are met, and the requirements of the ventilation system during the epidemic cannot be satisfied. To meet the ventilation needs during the epidemic, it is necessary to transform the existing ventilation system pipes and install high-efficiency filters in the indoor ceiling or on the roof pipes. During the epidemic, the indoor exhaust air needs to be highly filtered before being discharged into the atmosphere. After running for a period of time, the existing filter components need to be replaced and cleaned, with a short operation cycle and a high maintenance frequency. Therefore, the utility model provides a finished high-efficiency filter module box applicable to the inlet of an exhaust fan to solve the problems raised in the above background art. Content of the Utility Model

[0003] The purpose of the utility model is to provide a finished high-efficiency filter module box applicable to the inlet of an exhaust fan to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A finished high-efficiency filter module box applicable to the inlet of an exhaust fan includes two module box connection ports. A high-efficiency filter is connected in the middle of the two module box connection ports. The high-efficiency filter includes a housing. An inspection cover is provided on one side of the housing. Two fixed ventilation plates are fixed in the housing. Ventilation openings are provided on the fixed ventilation plates. A rotating frame is rotatably connected between the fixed ventilation plates. An intermediate cylinder is fixed in the middle of the rotating frame. A channel opening is provided on the intermediate cylinder. The ventilation opening is communicated with the module box connection port through the channel opening. The intermediate cylinder is rotatably connected to the module box connection port through a bearing. Detectors are provided in both module box connection ports on both sides. The detectors are pressure measurement holes / pressure measurement pipes, used to detect the pressure difference on both sides, used to detect the filtering effect of the filter component, and realize the function of differential pressure monitoring;

[0006] A toothed ring is fixed on the outer side of the rotating frame. The toothed ring meshes with a gear. The gear is connected to a driving motor through a transmission belt to drive the rotating frame to rotate. A plurality of filter components are fixed in the rotating frame.

[0007] Preferably, the filter component has the same shape as the ventilation hole of the fixed ventilation plate. The filter component is fixed on the rotating frame through mounting bolts.

[0008] Preferably, the mounting bolts pass through the mounting holes of the filter component, and the ends of the mounting bolts are threadedly connected to the threaded holes of the rotating frame, which is convenient for disassembly and assembly.

[0009] Preferably, the inspection cover, the filter assembly and the fixed ventilation plate are all fan-shaped, and the filter assembly is smaller than the inspection cover and the fixed ventilation plate.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] The present utility model is connected to the original exhaust duct through the module box connection port, and the air enters the housing from the passage port of the middle cylinder. Then, the air flow enters through the ventilation port of the fixed ventilation plate, and then passes through the filter assembly for filtration. After the filtration is completed, it is discharged from the ventilation port on the other side. Then, the air is discharged through the cylinder passage port and the module box connection port for filtration. The pressure difference at both ends is automatically detected by the detector. When the specified value is reached, the drive motor rotates, which drives the rotating frame to rotate, and then replaces the position of the blocked filter assembly to complete the replacement, extending the filtration effect to ensure the filtration effect of the ventilation system. Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram of a finished high-efficiency filter module box applicable to the inlet of an exhaust fan.

[0013] Figure 2 It is an exploded structural diagram of a finished high-efficiency filter module box applicable to the inlet of an exhaust fan.

[0014] Figure 3 It is a schematic formal cross-sectional structural diagram of a finished high-efficiency filter module box applicable to the inlet of an exhaust fan.

[0015] Figure 4 It is a schematic left cross-sectional structural diagram of a finished high-efficiency filter module box applicable to the inlet of an exhaust fan.

[0016] In the figure: 1, module box connection port; 2, high-efficiency filter; 3, housing; 4, inspection cover; 5, fixed ventilation plate; 6, rotating frame; 7, middle cylinder; 8, toothed ring; 9, drive motor; 10, filter assembly;

[0017] 11, mounting bolt; 12, detector. Detailed Embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1 to 4, in the embodiment of the present utility model, a finished high - efficiency filter module box applicable to the inlet of an exhaust fan includes two module box connection ports 1. A high - efficiency filter 2 is connected to the middle of the two module box connection ports 1. The high - efficiency filter 2 includes a housing 3. An inspection cover 4 is provided on one side of the housing 3. Two fixed ventilation plates 5 are fixed inside the housing 3. Ventilation openings are provided on the fixed ventilation plates 5. A rotating frame 6 is rotatably connected between the fixed ventilation plates 5. A middle cylinder 7 is fixed in the middle of the rotating frame 6. A channel opening is provided on the middle cylinder 7. The ventilation opening is communicated with the module box connection port 1 through the channel opening. The middle cylinder 7 is rotatably connected to the module box connection port 1 through a bearing. A detector 12 is provided in each of the two module box connection ports 1. The detector 12 is a pressure measuring hole / pressure measuring pipe, which is used to detect the pressure difference on both sides and to detect the filtering effect of the filtering component 10, so as to realize the function of differential pressure monitoring;

[0020] A toothed ring 8 is fixed on the outer side of the rotating frame 6. The toothed ring 8 meshes with a gear. The gear is connected to a driving motor 9 through a transmission belt to drive the rotating frame 6 to rotate. A plurality of filtering components 10 are fixed inside the rotating frame 6. The filtering components 10 have the same shape as the ventilation holes of the fixed ventilation plates 5. The filtering components 10 are fixed on the rotating frame 6 through mounting bolts 11. The mounting bolts 11 pass through the mounting holes of the filtering components 10. The ends of the mounting bolts 11 are thread - connected to the threaded holes of the rotating frame 6, which is convenient for disassembly and assembly. The inspection cover 4, the filtering components 10 and the fixed ventilation plates 5 are all fan - shaped, and the filtering components 10 are smaller than the inspection cover 4 and the fixed ventilation plates 5.

[0021] The working principle of the present utility model is as follows: When in use, the filtering components 10 are placed into the rotating frame 6 through the inspection cover 4 and fixed through the mounting holes and mounting bolts 11 on both sides. After installation, the driving motor 9 drives the transmission belt to rotate. The transmission belt drives the gear on the other side to rotate. The gear and the pulley are coaxially arranged. The gear meshes with the toothed ring 8, thereby driving the rotating frame 6 to rotate, thereby changing the orientation of the filtering components 10, and then installing the next filtering component 10 until the rotating frame 6 is fully installed.

[0022] During operation, the original exhaust duct is connected through the module box connection port 1. The air enters the housing 3 from the channel opening of the middle cylinder 7, and then the air flow enters from the ventilation openings of the fixed ventilation plates 5, and then is filtered through the filtering components 10. After filtering, it is discharged from the ventilation openings on the other side, and then the air is discharged through the channel opening and the module box connection port 1 in sequence for filtering. The detector 12 automatically detects the pressure difference at both ends. When the specified value is reached, the driving motor 9 rotates, thereby driving the rotating frame 6 to rotate, thereby changing the orientation of the blocked filtering component 10 to complete the replacement and extend the filtering effect.

[0023] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A finished high-efficiency filter module box applicable to the inlet of an exhaust fan, comprising two module box connection ports (1), and a high-efficiency filter (2) is connected to the middle of the two module box connection ports (1), characterized in that, The high-efficiency filter (2) includes a housing (3). One side of the housing (3) is provided with a maintenance cover (4). Two fixed ventilation plates (5) are fixed inside the housing (3). Ventilation openings are provided on the fixed ventilation plates (5). A rotating frame (6) is rotatably connected between the fixed ventilation plates (5). A middle cylinder (7) is fixed in the middle of the rotating frame (6). A channel opening is provided on the middle cylinder (7). The middle cylinder (7) is rotatably connected to the module box connection port (1) through a bearing. A detector (12) is provided inside the module box connection port (1). A toothed ring (8) is fixed on the outer side of the rotating frame (6). The toothed ring (8) meshes with a gear. The gear and a pulley are coaxially arranged. The pulley is connected to a driving motor (9) through a transmission belt. A plurality of filter components (10) are fixed inside the rotating frame (6).

2. The finished high-efficiency filter module box applicable to the inlet of an exhaust fan according to claim 1, wherein The filter component (10) has the same shape as the ventilation holes of the fixed ventilation plate (5). The filter component (10) is fixed on the rotating frame (6) through mounting bolts (11).

3. The finished high-efficiency filter module box applicable to the inlet of an exhaust fan according to claim 2, characterized in that, The mounting bolt (11) passes through the mounting hole of the filter component (10). The end of the mounting bolt (11) is threadedly connected to the threaded hole of the rotating frame (6).

4. The finished high-efficiency filter module box applicable to the inlet of an exhaust fan according to claim 1, characterized in that, The maintenance cover (4), the filter component (10) and the fixed ventilation plate (5) are all fan-shaped, and the filter component (10) is smaller than the maintenance cover (4) and the fixed ventilation plate (5).

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