CN214949461U

CN214949461U - Air filter for central air conditioner air return inlet

Info

Publication number: CN214949461U
Application number: CN202121065870.9U
Authority: CN
Inventors: 苏浩杰
Original assignee: Henan Mijing Ruifa Purifying Facilities Co ltd
Current assignee: Henan Mijing Ruifa Purifying Facilities Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-30
Anticipated expiration: 2031-05-18

Abstract

The utility model provides an air filtering device of a central air conditioner return air inlet, which belongs to the technical field of air purification equipment and comprises a return air filtering box body, wherein the return air filtering box body comprises a filtering cavity formed by separating a clapboard and a monitoring cavity positioned above the filtering cavity; the utility model discloses a but air quality test probe comprehensive monitoring return air inlet of rotary regulation filters the air after, avoids appearing mixing, cross contamination's phenomenon, and it is more convenient to operate, at the in-process of in-service use, can realize transferring air quality test probe under the condition that need not open sealed door plant, and it is more convenient to use.

Description

Air filter for central air conditioner air return inlet

Technical Field

The utility model relates to an air purification equipment technical field, concretely relates to air filter of central air conditioning return air inlet.

Background

The return air inlet is an essential component of an air supply system of a clean room such as an operating room, a purification workshop and the like, and generally comprises two parts, namely a bottom frame fixed on a building such as a vertical wall plate or a ceiling, and a return air inlet panel plate covering and positioned on the bottom frame, wherein a filter screen is arranged between the bottom frame and the return air inlet panel. The bottom frame is fixed on a building in a bolt or rivet connection mode, and the return air shutter panels are positioned on the bottom frame in a door hinge and a bolt mode.

At present, in order to prevent mixed batches, mixing, pollution and cross contamination in the production of medicines in clean rooms of pharmaceutical enterprises and the like, the air is generally required to be filtered during air return, and because a filtered air return inlet is not sealed, the filtering effect cannot be achieved, and sometimes leakage occurs. Therefore, a monitoring probe is required to be installed at the air outlet pipe opening, the monitoring is carried out in real time, the serious cross contamination phenomenon is avoided, but the existing monitoring probe is fixed, and the comprehensive monitoring cannot be realized.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an air filter of central air conditioning return air inlet, the air after filtration of the more comprehensive monitoring return air inlet of air quality test probe through rotatable regulation avoids appearing mixing, cross contamination's phenomenon.

For solving the technical problem, the utility model provides an air filter of central air conditioning return air inlet, filter the box including the return air, the return air filters the box and includes the monitoring chamber of the filter chamber of separating the formation through the baffle and being in the top of filter chamber, the monitoring intracavity is equipped with vertical air pipe, air pipe's bottom communicates with each other with the filter chamber in, outside air pipe's the top accesss to the return air filter box, be equipped with in the air pipe and can rotate air quality test probe.

Further, one side of pivot is located to the air quality test probe, the fixed cover has put the support bearing frame in the pivot, the circumference of support bearing frame is equipped with the side link with air pipe inner wall connection.

Further, the bottom of pivot is equipped with the turbine, the turbine meshes with the worm section of adjusting pole one end, the other end of adjusting the pole stretches out outside air pipe, be equipped with on air pipe's the lateral wall with adjust the first sealed bearing frame of pole complex.

Furthermore, a first window is arranged on the front face of the monitoring cavity, a bottom supporting plate is arranged at the bottom end of the first window, the outer end of the adjusting rod penetrates through the bottom supporting plate, and a second sealing bearing seat matched with the adjusting rod is arranged on the bottom supporting plate.

Furthermore, the end of the adjusting rod extending out of the bottom supporting plate is a screw rod section, and a locking ring is sleeved on the screw rod section.

Furthermore, a hinged sealing door plate is arranged at the first window.

Furthermore, a second window is arranged on the front face of the filter cavity, and a detachable air inlet grating plate is arranged on the outer side of the second window.

Furthermore, one side of the filtering cavity close to the second window is provided with a vertical filtering unit, and the ventilating pipeline is communicated with the cavity part at the rear side of the filtering unit.

Furthermore, the top end of the return air filtering box body is provided with an air outlet flange opening communicated with the ventilating pipeline.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. the air quality detection probe is driven to rotate through the rotating shaft, multi-directional monitoring is realized, the monitoring accuracy is improved, air filtered by the air return opening is monitored more comprehensively, and the phenomena of mixing and cross contamination are avoided.

2. The rotating shaft is driven to rotate under the action of the adjusting rod, the operation is more convenient, the air quality detection probe can be moved under the condition that a sealing door plate is not required to be opened in the process of actual use, and the use is more convenient.

Drawings

FIG. 1 is a schematic structural view of an air filtering device of a central air conditioner return air inlet of the present invention;

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

FIG. 3 is a schematic structural view of the middle return air filtering box of the present invention after the air inlet grating plate is removed;

fig. 4 is a side sectional view of the middle ventilation duct of the present invention.

1. A return air filtering box body; 11. an air outlet flange port; 12. a partition plate;

2. monitoring the cavity; 20. a first window; 21. a ventilation duct; 211. a first sealed bearing seat; 22. a sealing door panel; 23. a second sealed bearing seat; 24. supporting the bearing seat; 25. a side link; 26. a rotating shaft; 261. a turbine; 27. an air quality detection probe; 28. a bottom support plate;

3. adjusting a rod; 31. a screw section; 32. a locking ring; 33. a worm section;

4. a filter chamber; 40. a second window; 41. an air inlet grille plate; 42. and a filtering unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-4: the utility model provides an air filter of central air conditioning return air inlet, includes return air filter box 1, return air filter box 1 includes through 12 partition formation filter chamber 4 and the monitoring chamber 2 that is in the top of filter chamber 4, be equipped with vertical air pipe 21 in the monitoring chamber 2, communicate with each other in air pipe 21's bottom and the filter chamber 4, outside air pipe 21's top accesss to return air filter box 1, be equipped with in the air pipe 21 and to have pivoted air quality test probe 27.

Specifically, the air quality detection probe 27 is disposed on one side of the rotating shaft 26, the supporting bearing seat 24 is fixedly sleeved on the rotating shaft 26, and the side connecting frame 25 connected with the inner wall of the ventilation duct 21 is circumferentially disposed on the supporting bearing seat 24.

According to one embodiment of the present invention, as shown in figure 4,

the bottom end of the rotating shaft 26 is provided with a turbine 261, the turbine 261 is engaged with the worm section 33 at one end of the adjusting rod 3, the other end of the adjusting rod 3 extends out of the ventilation duct 21, and the side wall of the ventilation duct 21 is provided with a first sealing bearing seat 211 matched with the adjusting rod 3.

According to another embodiment of the present invention, as shown in figures 1 and 2,

the front surface of the monitoring cavity 2 is provided with a first window 20, the bottom end of the first window 20 is provided with a bottom support plate 28, the outer end of the adjusting rod 3 penetrates through the bottom support plate 28, and the bottom support plate 28 is provided with a second sealing bearing seat 23 matched with the adjusting rod 3.

The end of the adjusting rod 3 extending out of the bottom support plate 28 is a screw section 31, and a locking ring 32 is sleeved on the screw section 31.

A hinged sealing door panel 22 is arranged at the first window 20.

In one embodiment of the present invention, as shown in figure 3,

the front surface of the filter cavity 4 is provided with a second window 40, and the outer side of the second window 40 is provided with a detachable air inlet grating plate 41.

A vertical filtering unit 42 is arranged at one side of the filtering cavity 4 close to the second window 40, and the ventilating pipeline 21 is communicated with a cavity part at the rear side of the filtering unit 42.

In another embodiment of the present invention, as shown in figure 1,

the top end of the return air filtering box body 1 is provided with an air outlet flange opening 11 communicated with a ventilating duct 21.

The utility model discloses a working method: the air filtered by the filter unit 42 in the filter cavity 4 is discharged through the ventilation pipeline 21, and in the discharging process, the air quality detection probe 27 is used for monitoring in real time, and if abnormal conditions exist, the air quality detection probe is convenient to process in time.

In addition, through rotating the regulation pole 3, through the mating reaction of worm section 33 with turbine 261, realize driving pivot 26 and go to realize driving air quality testing probe 27 and rotate, realize diversified monitoring, improve the degree of accuracy of monitoring, the air after more comprehensive monitoring return air inlet filters avoids appearing mixing, cross contamination's phenomenon.

The adjusting rod 3 extends out of the monitoring cavity 2, and in the actual use process, the air quality detection probe 27 can be moved without opening the sealing door plate 22, so that the use is more convenient. The worker can conveniently and comprehensively monitor the unscheduled rotating air quality detection probe 27.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an air filter of central air conditioning return air inlet which characterized in that: including return air filter box (1), return air filter box (1) includes filter chamber (4) and monitoring chamber (2) that are in the top of filter chamber (4) through baffle (12) partition formation, be equipped with vertical air pipe (21) in monitoring chamber (2), communicate with each other in the bottom of air pipe (21) and filter chamber (4), outside the top of air pipe (21) leads to return air filter box (1), be equipped with in air pipe (21) and to have pivoted air quality test probe (27).

2. The air filter device for the return air inlet of the central air conditioner as claimed in claim 1, wherein: one side of pivot (26) is located in air quality test probe (27), fixed cover has been put in pivot (26) and has been supported bearing frame (24), the circumference of supporting bearing frame (24) is equipped with side link (25) with air pipe (21) inner wall connection.

3. The air filter device for the return air inlet of the central air conditioner as claimed in claim 2, wherein: the bottom of pivot (26) is equipped with turbine (261), turbine (261) and worm section (33) meshing of adjusting pole (3) one end, the other end of adjusting pole (3) stretches out outside air pipe (21), be equipped with on the lateral wall of air pipe (21) and adjust pole (3) complex first sealed bearing frame (211).

4. The air filter device for the return air inlet of the central air conditioner as claimed in claim 3, wherein: the front side of the monitoring cavity (2) is provided with a first window (20), the bottom end of the first window (20) is provided with a bottom support plate (28), the outer end of the adjusting rod (3) penetrates through the bottom support plate (28), and a second sealing bearing seat (23) matched with the adjusting rod (3) is arranged on the bottom support plate (28).

5. The air filter device for the return air inlet of the central air conditioner as claimed in claim 4, wherein: one end of the adjusting rod (3) extending out of the bottom support plate (28) is a screw rod section (31), and a locking ring (32) is sleeved on the screw rod section (31).

6. The air filter device for the return air inlet of the central air conditioner as claimed in claim 4, wherein: and a hinged sealing door panel (22) is arranged at the first window (20).

7. The air filter device for the return air inlet of the central air conditioner as claimed in claim 1, wherein: the front of filter chamber (4) is equipped with second window (40), the outside of second window (40) is equipped with detachable air inlet grid board (41).

8. The air filter device for the return air inlet of the central air conditioner as claimed in claim 7, wherein: one side of the filter cavity (4) close to the second window (40) is provided with a vertical filter unit (42), and the ventilation pipeline (21) is communicated with a cavity part at the rear side of the filter unit (42).

9. The air filter device for the return air inlet of the central air conditioner as claimed in claim 1, wherein: the top end of the return air filtering box body (1) is provided with an air outlet flange opening (11) communicated with the ventilating duct (21).