CN220958761U - Fresh air unit - Google Patents

Abstract

The utility model discloses a fresh air handling unit, which comprises: the shell is provided with open slots on two side walls, and is provided with an inner space for accommodating the exhaust fan, the filter box and the communicating pipe; the filter box is internally and movably provided with a plurality of filter frames, and the middle of the filter frames is fixedly provided with a filter membrane; an external connection pipe which is arranged at the top of the communicating pipe, and one end of the external connection pipe extends out of the outer part from the side wall of the shell; the end, extending out of the shell, of the external tube is fixedly provided with a flange; the utility model has the technical effects and advantages that: this fresh air handling unit also can filter the air through the filtration membrane in the multiunit filter frame when daily use, and the filter frame utilizes the cooperation of mount pad and slider at dismouting in-process simultaneously, makes its filter frame more convenient at the inside replacement of rose box, need not a plurality of casings of dismouting and then replaces for its inside filter core, active carbon purifying cylinder and filter.

Description

Fresh air unit

Technical Field

The utility model belongs to the technical field of fresh air system equipment, and particularly relates to a fresh air unit.

Background

The fresh air machine is effective air purifying equipment, and can circulate indoor air, on one hand, the indoor polluted air is discharged out of the room, and on the other hand, the outdoor fresh air is processed to become clean air and then is input into the room, so that the room is fresh and clean at all times;

At present, most fresh air handling units are arranged in a plurality of markets, purified air is provided at all times in the markets, when the fresh air handling units filter pumped air, filter materials in the filter boxes are piled up, so that the filter materials are inconvenient to carry and replace when being replaced, and after piled up, the filter materials are not replaced for a long time, so that the problem of poor passing performance of the filter boxes is caused;

in patent document bulletin number CN215175705U, an energy-saving fresh air unit is disclosed, and the problem that the working quality of a fan unit is affected because dust easily enters a fan and the energy consumption of the fresh air unit in long-term work in the prior art is overlarge is solved. The air inlet pipe is arranged above the air collecting box, fresh air outlets are formed in two sides of the air handling unit case, a blind is arranged in the fresh air outlet, a connecting frame is arranged at the rear end of the blind, and the upper end of the connecting frame is fixedly connected with the sliding plate;

The fresh air handling unit disclosed above is provided with multiunit filter element like: filter core, active carbon purifying cylinder and filter, and multiunit filter component can be with the air filtration that takes out, but a plurality of filter component components have loaded down with trivial details step in the in-process of changing and dismouting, do not change the function that can influence gaseous trafficability characteristic more for a long time.

Disclosure of utility model

The utility model aims to provide a fresh air handling unit to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fresh air handling unit comprising:

The shell is provided with open slots on two side walls, and is provided with an inner space for accommodating the exhaust fan, the filter box and the communicating pipe;

The filter box is internally and movably provided with a plurality of filter frames, and the middle of the filter frames is fixedly provided with a filter membrane;

An external connection pipe which is arranged at the top of the communicating pipe, and one end of the external connection pipe extends out of the outer part from the side wall of the shell;

The end, extending out of the shell, of the external connection pipe is fixedly provided with a flange, and the flange at one end of the external connection pipe is in butt joint with the flange on the pipeline of the external equipment;

Preferably, the two side walls of the filter frame are fixedly connected with sliding blocks, and a sliding structure is formed between the sliding blocks and mounting seats arranged on the inner side wall of the filter box;

preferably, opposite mounting seats are vertically fixed on two opposite inner side walls of the filter box, and the opposite mounting seats and the filter frame are matched members;

Preferably, an electromagnetic valve is arranged on the outer pipe wall of the outer pipe extending out of the shell, and the electromagnetic valve can control the opening and closing of the outer pipe;

Preferably, one end of the exhaust fan penetrates through an opening groove on the side wall of the shell to be in butt joint with the louver on the side wall of the shell, and the other end of the exhaust fan extends to the inside of the filter box;

Preferably, one end of the communicating pipe is communicated with the filter box, and the other end of the communicating pipe penetrates through an open slot on the other side wall of the shell and extends to the position of the inner decorative plate to be connected with the air outlet disc opening;

The utility model has the technical effects and advantages that: the fresh air handling unit can also filter air through the filtering membranes in the multiple groups of filtering frames when in daily use, and meanwhile, the filtering frames are replaced more conveniently in the filtering boxes by utilizing the cooperation of the mounting seats and the sliding blocks in the disassembly and assembly process, so that a plurality of shells are not required to be disassembled and the filter elements, the activated carbon purifying cylinders and the filter plates in the filter boxes are replaced;

The flange plate on the outer connecting pipe can be used for butting the outer connecting pipe with external equipment, and meanwhile external humidifying water mist can be discharged through the air outlet plate opening, so that the humidity of the inner space is adjusted.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic side view of the housing of the present utility model;

FIG. 3 is a schematic front view of an interior panel of the present utility model;

FIG. 4 is a schematic top view of the filter box of the present utility model;

FIG. 5 is an enlarged schematic view of the utility model at A of FIG. 4;

FIG. 6 is a schematic view of a filter frame of the present utility model.

In the figure: 1. a housing; 2. an exhaust fan; 3. a filter box; 31. a mounting base; 32. a slide block; 33. a filter frame; 34. a filtering membrane; 35. a handle; 4. a communicating pipe; 5. an outer connecting pipe; 51. a flange plate; 52. an electromagnetic valve; 6. a shutter; 7. an interior trim panel; 8. and an air outlet disc opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a fresh air handling unit as shown in fig. 1, 2 and 3, comprising:

The shell 1 is provided with open slots on two side walls, and the shell 1 is provided with an inner space for accommodating the exhaust fan 2, the filter box 3 and the communicating pipe 4;

One end of the exhaust fan 2 penetrates through an open slot on the side wall of the shell 1 to be in butt joint with a louver 6 on the side wall of the shell 1, and the other end of the exhaust fan 2 extends to the inside of the filter box 3;

one end of the communicating pipe 4 is communicated with the filter box 3, and the other end of the communicating pipe 4 penetrates through an open slot on the other side wall of the shell 1 and extends to the position of the inner decoration plate 7 to be connected with the air outlet disc opening 8;

The louver 6 is arranged, so that when the exhaust fan 2 pumps outside air, large sundries in the outside air can be blocked, sundries in the air are prevented from entering the inside of the exhaust fan 2 through the air inlet of the exhaust fan 2, the functions of the louver are affected, and meanwhile, the air outlet disc opening 8 on the surface of the interior trim 7 can divide the blown purified air;

As shown in fig. 1, 4, 5 and 6, the filter box 3 has a plurality of filter frames 33 movably installed therein, and a filter membrane 34 is fixedly installed in the middle of the filter frames 33;

the pore sizes of the filtering membranes 34 installed in each filtering frame 33 are different, so that the filtering membranes 34 can intercept impurities in the air, and the pumped air is filtered;

The two side walls of the filter frame 33 are fixedly connected with the sliding blocks 32, and a sliding structure is formed between the sliding blocks 32 and the mounting seats 31 arranged on the inner side wall of the filter box 3;

Specifically, a handle 35 is installed at the middle position of the top end of the filter frame 33, and the handle 35 can be used for being held by hand to drive the filter frame 33 to move;

Opposite mounting seats 31 are vertically fixed on two opposite inner side walls of the filter box 3, and the opposite mounting seats 31 and the filter frame 33 are matched members;

Specifically, when the filtering membrane 34 inside the filtering box 3 needs to be replaced after long-time use, the top cover of the filtering box 3 is opened, and is pulled by the hand-held handle 35, and meanwhile, the filtering frame 33 drives the sliding block 32 to slide inside the mounting seat 31, so that the filtering frame 33 can be replaced after moving out of the filtering box 3, and the old filtering frame 33 can be replaced;

Further, the sliding blocks 32 on two sides of the filter frame 33 are aligned in the installation seat 31, and then the sliding blocks 32 are inserted into the installation seat 31, so that the filtering membrane 34 is fixed in position in the filtering box 3;

As shown in fig. 1, an extension pipe 5 is installed at the top of the communication pipe 4, and one end of the extension pipe 5 extends out from the side wall of the housing 1;

The end of the outer connecting pipe 5 extending out of the shell 1 is fixedly provided with a flange plate 51, and the flange plate 51 at one end of the outer connecting pipe 5 is in butt joint with the flange plate 51 on an external equipment pipeline;

wherein, the outer connecting pipes 5 are communicated with a plurality of communicating pipes 4 inside the shell 1;

The electromagnetic valve 52 is arranged on the outer pipe wall of the outer connecting pipe 5 extending out of the shell 1, and the electromagnetic valve 52 can control the opening and closing of the outer connecting pipe 5;

Specifically, along with the change of seasons, the humidity of the space is unbalanced, the flange plate 51 on the outer connecting pipe 5 is in butt joint with the flange plate 51 of the pipeline of the external humidity adjusting device, meanwhile, the electromagnetic valve 52 on the surface of the outer connecting pipe 5 is opened, so that the internal channel of the outer connecting pipe 5 is opened, atomized water vapor emitted by the external humidity adjusting device is transmitted to the inside of the communicating pipe 4 through the outer connecting pipe 5, and therefore, the air purified by the inside of the communicating pipe 4 is mixed with the atomized water vapor to be sprayed out through the air outlet disc opening 8, the humidity of the internal space of the fresh air handling unit is adjusted, and after the humidity is adjusted to a proper degree, the electromagnetic valve 52 is controlled to be closed through the control module;

Working principle: firstly, respectively installing the shell 1 and the inner decorative plate 7 at proper positions, then extending the end of the communicating pipe 4 inside the shell 1 to the position of the inner decorative plate 7, and butting an air outlet disc opening 8 on the inner decorative plate 7;

Secondly, starting the exhaust fan 2, and then pumping the air outside the exhaust fan 2 into the filter box 3, wherein the pumped air is filtered and purified by utilizing the filter membranes 34 in a plurality of groups of filter frames 33 in the filter box 3;

Finally, the purified air is transmitted to the position of the air outlet disc opening 8 by the communicating pipe 4 and is discharged out of the fresh air unit, so that the space for installing the fresh air unit is replaced by air, and finally, all the work of the fresh air unit is completed.

In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A fresh air handling unit, comprising:

The shell (1) is provided with open slots on two side walls, and the shell (1) is provided with an inner space for accommodating the exhaust fan (2), the filter box (3) and the communicating pipe (4);

A plurality of filter frames (33) are movably arranged in the filter box (3), and a filter membrane (34) is fixedly arranged in the middle of the filter frames (33);

the external connection pipe (5) is arranged at the top of the communicating pipe (4), and one end of the external connection pipe (5) extends out of the outer part from the side wall of the shell (1);

The end of the external connection pipe (5) extending out of the shell (1) is fixedly provided with a flange plate (51), and the flange plate (51) at one end of the external connection pipe (5) is in butt joint with the flange plate (51) on an external equipment pipeline.

2. The fresh air handling unit of claim 1, wherein: the two side walls of the filter frame (33) are fixedly connected with sliding blocks (32), and a sliding structure is formed between each sliding block (32) and a mounting seat (31) arranged on the inner side wall of the filter box (3).

3. The fresh air handling unit of claim 2, wherein: opposite mounting seats (31) are vertically fixed on two opposite inner side walls of the filter box (3), and the opposite mounting seats (31) and the filter frame (33) are matched components.

4. The fresh air handling unit of claim 1, wherein: the external connection pipe (5) extends out of the outer pipe wall outside the shell (1) and is provided with an electromagnetic valve (52), and the electromagnetic valve (52) can control the opening and closing of the external connection pipe (5).

5. The fresh air handling unit of claim 1, wherein: one end of the exhaust fan (2) penetrates through an opening groove on the side wall of the shell (1) to be in butt joint with a shutter (6) on the side wall of the shell (1), and the other end of the exhaust fan (2) extends to the inside of the filter box (3).

6. The fresh air handling unit of claim 1, wherein: one end of the communicating pipe (4) is communicated with the filter tank (3), and the other end of the communicating pipe (4) penetrates through an open slot on the other side wall of the shell (1) and extends to the position of the inner decorative plate (7) to be connected with the air outlet disc opening (8).