CN219656296U - Fresh air system purifying and filtering device - Google Patents
Fresh air system purifying and filtering device Download PDFInfo
- Publication number
- CN219656296U CN219656296U CN202320373891.XU CN202320373891U CN219656296U CN 219656296 U CN219656296 U CN 219656296U CN 202320373891 U CN202320373891 U CN 202320373891U CN 219656296 U CN219656296 U CN 219656296U
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- Prior art keywords
- air
- filter
- mounting frame
- fresh air
- induced draft
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- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides a purification and filtration device of a fresh air system, which comprises a mounting frame, wherein an induced draft hood is fixed in the mounting frame, a filter is detachably arranged at the rear side of the inside of the mounting frame in the air inlet direction of the induced draft hood, and a buffer cavity is formed between the induced draft hood and the filter in the inside of the mounting frame; the air guiding cover is provided with a plurality of air passing holes, air guiding structures are arranged on two sides of the air guiding cover corresponding to the air passing holes, and air flow entering the buffer cavity through the air guiding cover forms an included angle of 30-60 degrees with the outer vertical surface of the filter facing one side of the air guiding cover. The utility model effectively filters the air entering the fresh air fan by using the filter, and the air is primarily dedusted by the induced draft hood before entering the buffer cavity, so that the total amount of the dust entering the filter screen can be effectively reduced under the working condition of more dust, the blocking of the filter screen is reduced or delayed, the purifying and filtering effects are ensured, the service life of the device is long, and meanwhile, the filter can be conveniently cleaned or replaced by screwing down the fixing ring due to the detachable arrangement of the filter.
Description
Technical Field
The utility model belongs to the technical field of heating and ventilation equipment, and particularly relates to a purifying and filtering device of a fresh air system.
Background
The fresh air system is air purifying equipment which can realize convection of indoor air through autonomous air supply and induced air, so that indoor polluted air can be discharged outdoors through the fresh air system, and outdoor fresh air can be input indoors after measures such as cooling and filtering, and fresh and clean air can be obtained indoors. The air inlet of the fresh air system purifier is generally provided with the filter assembly for preliminary filtering air entering the purifier, most of the existing primary filter assemblies adopt a filter screen or an opening-oriented dust cover, the filter capacity of the filter assembly is weak, the filter assembly has a limited effect, and particularly under the working condition environment of larger dust, the filter capacity of the filter screen is limited, more dust can enter the purifier more easily, the work load of the purifier is increased, the filter screen is easy to block, and the working performance of the fresh air system is reduced. Therefore, the filter device of the existing fresh air system purifier needs to be optimized and improved.
Disclosure of Invention
In view of the above, the utility model aims to overcome the defects in the prior art, and provides a purifying and filtering device for a fresh air system.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a new trend system purifies filter equipment, includes the installing frame, is fixed with the induced air cover in the installing frame inside to be in the air inlet direction rear side of induced air cover in the installing frame detachable mounting has the filter, and is in the buffer chamber of formation between induced air cover and the filter in the installing frame inside; the air guide cover is provided with a plurality of air through holes, air guide structures are arranged on two sides of the air guide cover corresponding to the air through holes, and air flow entering the buffer cavity through the air guide cover forms an included angle of 30-60 degrees with the outer vertical surface of the filter, which faces one side of the air guide cover.
Further, an external thread structure is arranged on the outer side of the installation frame, and a clamping groove for device installation is arranged at the outer end of the installation frame.
Further, the filter comprises a seat plate with a hollowed-out middle part, and a filter screen is arranged at the hollowed-out part of the seat plate.
Further, the seat board is fixed by a fixed ring in the installation frame, a positioning step is arranged on the inner wall of the installation frame, the inner side of the seat board props against the positioning step, and the outer side of the seat board is pressed by the fixed ring.
Further, the inner diameter of the fixing ring is larger than the inner diameter of the hollowed-out part of the seat plate.
Further, an external thread section is arranged on the fixing ring, and an internal thread structure matched with the external thread section is arranged on the inner wall of the mounting frame.
Further, a base body part is arranged on the outer side of the fixed ring, and a clamping groove for installing the fixed ring is arranged on the outer end face of the base body part.
Compared with the prior art, the utility model has the following advantages:
the fresh air system purifying and filtering device provided by the utility model has the advantages that the filter is utilized to effectively filter the air entering the fresh air machine, the induced air cover is used for carrying out preliminary dust removal before the air enters the buffer cavity, under the working condition of more dust, part of dust particles collide with the outer eave and fall to the outer side of the induced air cover, and part of dust particles collide with the inner eave and fall into the dust collection groove of the buffer cavity, the air flow direction entering the buffer cavity is not right opposite to the filter, but forms a certain included angle with the filter, the total amount of the dust entering the filter screen is reduced, the blocking of the filter screen is reduced or delayed, the purifying and filtering effect is guaranteed, the service life of the device is long, and meanwhile, the filter can be conveniently cleaned or replaced by screwing off the fixed ring due to the detachable arrangement of the filter.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute an undue limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the utility model with the retaining ring removed;
FIG. 3 is a schematic illustration of FIG. 2 with the filter removed;
FIG. 4 is a schematic illustration of a filter according to the present utility model;
FIG. 5 is a schematic view of a retaining ring according to the present utility model;
FIG. 6 is a schematic view of the induced draft hood according to the present utility model.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides a new trend system purifies filter equipment, as shown in fig. 1 through 6, includes mounting frame 1, is fixed with induced draft hood 2 in the mounting frame inside to be in the air inlet direction rear side demountable installation filter 3 of induced draft hood in the mounting frame inside, and be in the buffer chamber 4 of formation between induced draft hood and the filter in the mounting frame inside; the air guiding cover is provided with a plurality of air passing holes 5, air guiding structures 6 are arranged on two sides of the air guiding cover corresponding to the air passing holes, and air flow entering the buffer cavity through the air guiding cover forms an included angle of 30-60 degrees with the outer vertical surface of the filter facing one side of the air guiding cover.
In an alternative embodiment, the mounting frame is circular in shape, and is provided with an external thread structure 7 on the outer side of the mounting frame, and a device mounting clamping groove 8 is formed on the outer end of the mounting frame. The clamping groove for installing the device can be clamped by means of a tool such as a caliper, the device is screwed into a machine body of the fresh air machine, the occupied space of the machine body is reduced due to the built-in mode, the installation frame is reversely screwed, and the device can be detached, so that the operation is very convenient.
The filter comprises a seat board 9 with a hollowed-out part in the middle, and a filter screen 10 is arranged at the hollowed-out part of the seat board. The inner diameter of the fixing ring is larger than the inner diameter of the hollowed-out part of the seat plate. The seat board is fixed by a fixing ring 11 in the mounting frame, a positioning step 12 is arranged on the inner wall of the mounting frame, the inner side of the seat board props against the positioning step, and the outer side of the seat board is pressed by the fixing ring. The filter can be firmly fixed by the fixing ring, and the air inflow of the filter device is not hindered.
For example, the fixing ring is provided with an external thread section 13, and the inner wall of the mounting frame is provided with an internal thread structure 14 matched with the external thread section. Typically, the outer side of the fixing ring is provided with a base portion 15, and the outer end surface of the base portion is provided with a fixing ring mounting groove 16. The clamping groove for installing the fixing ring is clamped by means of tools such as calipers, and the fixing ring can be conveniently assembled and disassembled.
In an alternative embodiment, the air guiding mechanism comprises an outer eave 17 obliquely arranged on the outer side of the air guiding cover and an inner eave 18 obliquely arranged on the inner side of the air guiding cover, wherein an oblique air passing channel 19 is formed between the inner eave and the outer eave, so that air flow entering the buffer cavity through the air guiding cover (the air passing channel) forms an included angle of 30-60 degrees with the outer vertical surface of the filter on the side facing the air guiding cover, dust cannot directly 'shoot' into the filter screen, a certain included angle exists between the dust and the surface of the filter screen, and part of the dust collides with the surface of the filter screen or falls into the dust collecting groove.
The fresh air system purifying and filtering device provided by the utility model has the advantages that the filter is utilized to effectively filter the air entering the fresh air machine, the induced air cover is used for carrying out preliminary dust removal before the air enters the buffer cavity, under the working condition of more dust, part of dust particles collide with the outer eave and fall to the outer side of the induced air cover, and part of dust particles collide with the inner eave and fall into the dust collection groove of the buffer cavity, the air flow direction entering the buffer cavity is not right opposite to the filter, but forms a certain included angle with the filter, the total amount of the dust entering the filter screen is reduced, the blocking of the filter screen is reduced or delayed, the purifying and filtering effect is guaranteed, the service life of the device is long, and meanwhile, the filter can be conveniently cleaned or replaced by screwing off the fixed ring due to the detachable arrangement of the filter.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A new trend system purifies filter equipment, its characterized in that: the device comprises a mounting frame, wherein an induced draft hood is fixed in the mounting frame, a filter is detachably arranged at the rear side of the induced draft hood in the air inlet direction of the mounting frame, and a buffer cavity is formed between the induced draft hood and the filter in the mounting frame; the air guide cover is provided with a plurality of air through holes, air guide structures are arranged on two sides of the air guide cover corresponding to the air through holes, and air flow entering the buffer cavity through the air guide cover forms an included angle of 30-60 degrees with the outer vertical surface of the filter, which faces one side of the air guide cover.
2. The fresh air system purifying and filtering device according to claim 1, wherein: the outer side of the installation frame is provided with an external thread structure, and the outer end of the installation frame is provided with a clamping groove for device installation.
3. The fresh air system purifying and filtering device according to claim 1, wherein: the filter comprises a seat board with a hollowed-out part in the middle, and a filter screen is arranged at the hollowed-out part of the seat board.
4. A fresh air system purifying and filtering device according to claim 3, wherein: the seat board is fixed by a fixed ring in the installation frame, a positioning step is arranged on the inner wall of the installation frame, the inner side of the seat board props against the positioning step, and the outer side of the seat board is pressed by the fixed ring.
5. The fresh air system purifying and filtering device according to claim 4, wherein: the inner diameter of the fixing ring is larger than the inner diameter of the hollowed-out part of the seat plate.
6. The fresh air system purifying and filtering device according to claim 4, wherein: the fixing ring is provided with an external thread section, and the inner wall of the mounting frame is provided with an internal thread structure matched with the external thread section.
7. The fresh air system cleaning and filtration device according to any one of claims 4 to 6, wherein: the outer side of the fixed ring is provided with a base body part, and the outer end surface of the base body part is provided with a clamping groove for installing the fixed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373891.XU CN219656296U (en) | 2023-03-03 | 2023-03-03 | Fresh air system purifying and filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373891.XU CN219656296U (en) | 2023-03-03 | 2023-03-03 | Fresh air system purifying and filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656296U true CN219656296U (en) | 2023-09-08 |
Family
ID=87857995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320373891.XU Active CN219656296U (en) | 2023-03-03 | 2023-03-03 | Fresh air system purifying and filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656296U (en) |
-
2023
- 2023-03-03 CN CN202320373891.XU patent/CN219656296U/en active Active
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