阅读说明：本技术 一种用于室内通风的新风设备 (Fresh air equipment for indoor ventilation ) 是由 葛陆根 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种用于室内通风的新风设备,涉及新风设备技术领域。本发明包括安装在室外的送风装置、以及安装在室内用与送风装置配合的净化过滤装置；净化过滤装置上部与下部均安装有多个用于出风的分流器；分流器与净化过滤装置转动配合,且通过环形压盖进行定位；送风装置包括穿过墙体安装在墙上的导风管道以及安装在导风管道外侧端的送风器,送风器包括涡轮风机、下端开口的进风管；涡轮风机安装在进风管内部上端；进风管上端一侧开设与导风管道配合的出风孔；进风管上端同一侧固定一个与导风管道配合的第二矩形法兰板。本发明通过送风装置、净化过滤装置、分流器和环形压盖组合,进行整体的降噪,同时增加出风位置的可调整性。(The invention discloses fresh air equipment for indoor ventilation, and relates to the technical field of fresh air equipment. The invention comprises an air supply device arranged outdoors and a purification and filtration device which is arranged indoors and is matched with the air supply device; the upper part and the lower part of the purification and filtration device are both provided with a plurality of flow dividers for air outlet; the flow divider is in running fit with the purification and filtration device and is positioned by an annular gland; the air supply device comprises an air guide pipeline which penetrates through the wall body and is arranged on the wall, and an air supply device which is arranged at the outer side end of the air guide pipeline, wherein the air supply device comprises a turbo fan and an air inlet pipe with an opening at the lower end; the turbo fan is arranged at the upper end inside the air inlet pipe; one side of the upper end of the air inlet pipe is provided with an air outlet matched with the air guide pipeline; a second rectangular flange plate matched with the air guide pipeline is fixed on the same side of the upper end of the air inlet pipe. The invention carries out integral noise reduction and increases the adjustability of the air outlet position through the combination of the air supply device, the purification and filtration device, the flow divider and the annular gland.)

1. The utility model provides a new trend equipment for indoor ventilation which characterized in that:

comprises an air supply device (1) arranged outdoors and a purification and filtration device (2) which is arranged indoors and is matched with the air supply device (1); a plurality of flow dividers (3) for air outlet are arranged at the upper part and the lower part of the purification and filtration device (2); the flow divider (3) is in running fit with the purification and filtration device (2) and is positioned by an annular gland (4);

the air supply device (1) comprises an air guide pipeline (11) which penetrates through a wall body and is arranged on the wall, and an air supply device (12) which is arranged at the outer side end of the air guide pipeline (11).

2. The fresh air device for indoor ventilation according to claim 1, wherein the air guide duct (11) comprises a cylindrical air pipe (111) penetrating in a wall body; and a first rectangular flange plate (112) is fixed on the end surface of the cylindrical air pipe (111) positioned outside.

3. A fresh air device for indoor ventilation according to claim 1 or 2, wherein the blower (12) comprises a turbo fan (121), an air inlet pipe (122) with an open lower end; the turbine fan (121) is arranged at the upper end inside the air inlet pipe (122); an air outlet hole (123) matched with the air guide pipeline (11) is formed in one side of the upper end of the air inlet pipe (122); a second rectangular flange plate (124) matched with the air guide pipeline (11) is fixed on the same side of the upper end of the air inlet pipe (122); and a filter screen (125) is arranged at the lower end of the air inlet pipe (122).

4. A fresh air device for indoor ventilation according to claim 3, wherein the purifying and filtering device (2) comprises a rectangular box body (21) with one open end, a filtering cylinder (22) and a filtering plate (23) for primary filtering and arranged in the rectangular box body (21) and used for secondary filtering, and a closing cover (24) detachably arranged at the open end of the rectangular box body (21);

the center of the rectangular box body (21) is provided with an air inlet (211) matched with the air guide pipeline (11); a cylinder sleeve (212) for installing the filtering cylinder (22) is coaxially arranged at the center of the inside of the rectangular box body (21) and the air inlet (211); fan-shaped ventilation openings (213) which are arranged along the axial direction are uniformly distributed on the peripheral side surface of the cylindrical sleeve (212); four round through holes (214) for installation and positioning are formed in the bottom of the rectangular box body (21); two ends of the bottom in the rectangular box body (21) in the length direction are respectively provided with a V-shaped clapboard (215), and two walls of the V-shaped clapboard (215) extending outwards are fixedly connected with the inner wall of the rectangular box body (21); the free ends of the two walls of the V-shaped partition plate (215) are respectively provided with a slot (216) for inserting and mounting the filter plate (23); rectangular through holes (217) matched with the corresponding slots (216) are formed in the two walls of the V-shaped partition plate (215);

both ends of the rectangular box body (21) in the length direction are provided with a row of air outlet holes (218); an adapter (25) connected with the flow divider (3) is fixed at the outer side end of the air outlet hole (218);

the adapter (25) comprises a flat pipe (251) one end of which is fixedly communicated with the air outlet hole (218); the other end of the flat pipe (251) is fixedly communicated with an external thread pipe (252); the flow divider (3) is inserted into the external threaded pipe (252), and the annular gland (4) is in threaded connection with the external threaded pipe (252).

5. The fresh air device for indoor ventilation according to claim 1, wherein the flow divider (3) comprises a flow guide groove (31) and an air outlet cover plate (32) arranged at the opening end of the flow guide groove (31);

the diversion trench (31) comprises a waist-shaped long trench (311) with an opening at the upper end; the lower part of one end of the long kidney-shaped groove (311) penetrates through a flow guide circular pipe (312) fixedly inserted on the purification and filtration device (2); a limiting ring (313) is arranged on the peripheral side surface of the circular diversion pipe (312);

the surface of the air outlet cover plate (32) is provided with an air outlet long hole (321) in a stepped trend along the length direction.

6. A fresh air device for indoor ventilation according to claim 5, wherein the annular gland (4) comprises an internally threaded sleeve (41) in threaded connection with an externally threaded tube (252); the upper end of the internal thread sleeve (41) is in threaded connection with an external thread limiting ring plate (42) sleeved on the flow guide circular tube (312), and the external thread limiting ring plate (42) is positioned on the upper side of the limiting ring (313); the peripheral side surface of the internal thread sleeve (41) is provided with a plurality of grooves (43).

7. The fresh air device for indoor ventilation according to claim 5 or 6, wherein the inner bottom surface of the long kidney-shaped groove (311) is fixedly provided with sequentially increasing partition plates (314) in a stepped shape along the length direction.

Technical Field

The invention belongs to the technical field of fresh air equipment, and particularly relates to fresh air equipment for indoor ventilation.

Background

The common air purification method is to place an air purifier indoors to adsorb harmful gases and reduce the concentration of the harmful gases indoors so as to achieve the purpose of purifying air. The traditional household air purifier usually requires that the indoor space is in a closed state, the outside air cannot enter the air purifier, the indoor air cannot be discharged, the concentration of indoor carbon dioxide can gradually rise in the closed environment, the oxygen content is reduced, so that people generally lack oxygen, harmful gas (such as ozone generated by part of the purifier using the electrostatic dust removal principle) emitted by a building and the purifier can cause secondary pollution to the indoor air, and if the harmful gas cannot be discharged outdoors in time, the harmful gas can also harm the health if the harmful gas is in the environment for a long time; compare with traditional air purifier, fresh air equipment can be to indoor introduction and purification fresh air, overcomes the problem of indoor oxygen deficiency, and can in time discharge indoor harmful gas outdoor, uses fresh air equipment to change indoor air and has become a trend gradually. The fresh air equipment is provided with an air inlet communicated with the outside, and the fresh air outside is introduced into the room through the air inlet, and the air inlet of the existing fresh air equipment is in an open state no matter in a use state or a non-use state, so that in cold winter, when the fresh air equipment is stopped, cold air can enter the room through the air inlet of the fresh air equipment, the indoor temperature is reduced, and a user feels cold; when strong wind blows outdoors, whistle and abnormal sound can appear at the air inlet; in addition, current new trend equipment sets up the fan indoor, and in the operation in-process noise direct influence is indoor, and the fan has increased the volume of interior machine simultaneously, has reduced the area of ventilation cavity, and it is slower to exert pressure, and the air outlet is few and nearly high-speed air current noise is great, is unfavorable for indoor even ventilation. Therefore, the application file provides a new trend equipment for indoor ventilation, external fan, and inside optimization structure increases the area of exerting pressure, through adjustable shunt output, improves output range, improves the ventilation effect.

Disclosure of Invention

The invention aims to provide a fresh air device for indoor ventilation, which is characterized in that the whole noise reduction is carried out through the combination of an air supply device, a purification and filtration device, a flow divider and an annular gland, and the adjustability of an air outlet position is increased, so that the existing problems are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a fresh air device for indoor ventilation, which comprises an air supply device arranged outdoors and a purification and filtration device which is arranged indoors and matched with the air supply device; a plurality of flow dividers for air outlet are arranged at the upper part and the lower part of the purification and filtration device; the flow divider is in running fit with the purification and filtration device and is positioned by an annular gland; the air supply device comprises an air guide pipeline which penetrates through the wall body and is arranged on the wall, and an air supply device which is arranged at the outer side end of the air guide pipeline.

The air guide pipeline comprises a cylindrical air pipe penetrating through the wall body; and a first rectangular flange plate is fixed on the end surface of the cylindrical air pipe positioned outside.

The air supply device comprises a turbine fan and an air inlet pipe with an opening at the lower end; the turbo fan is arranged at the upper end inside the air inlet pipe; an air outlet hole matched with the air guide pipeline is formed in one side of the upper end of the air inlet pipe; a second rectangular flange plate matched with the air guide pipeline is fixed on the same side of the upper end of the air inlet pipe; and a filter screen is arranged at the lower end of the air inlet pipe.

The purifying and filtering device comprises a rectangular box body with an opening at one end, a filtering cylinder arranged in the rectangular box body and used for primary filtering, a filtering plate for secondary filtering and a sealing cover detachably arranged at the opening end of the rectangular box body; the center of the rectangular box body is provided with an air inlet matched with the air guide pipeline; a cylindrical sleeve for installing a filtering cylinder is coaxially arranged at the center of the inside of the rectangular box body and the air inlet; fan-shaped ventilation openings which are arranged along the axial direction are uniformly distributed on the circumferential side surface of the cylinder sleeve; four round through holes for installation and positioning are formed in the bottom in the rectangular box body; two ends of the bottom in the rectangular box body in the length direction are respectively provided with a V-shaped partition plate, and two walls of the V-shaped partition plates extending outwards are fixedly connected with the inner wall of the rectangular box body; the free ends of the two walls of the V-shaped partition plate are respectively provided with a slot for inserting and mounting a filter plate; rectangular through holes matched with the corresponding slots are formed in the two walls of the V-shaped partition plate; two ends of the rectangular box body in the length direction are provided with a row of air outlet holes; an adapter connected with the shunt is fixed at the outer side end of the air outlet; the adapter comprises a flat pipe with one end fixedly communicated with the air outlet hole; the other end of the flat tube is fixedly communicated with an external thread tube; the shunt is inserted on the external thread pipe, and the annular gland is in threaded connection with the external thread pipe.

The flow divider comprises a diversion trench and an air outlet cover plate arranged at the opening end of the diversion trench; the diversion trench comprises a waist-shaped long trench with an opening at the upper end; the lower part of one end of the long kidney-shaped groove penetrates through a flow guide circular pipe fixedly inserted on the purifying and filtering device; the peripheral side surface of the circular diversion pipe is provided with a limiting ring; the surface of the air outlet cover plate is provided with an air outlet long hole in a stepped trend along the length direction.

Wherein the annular gland comprises an internal thread sleeve in threaded connection with the external thread pipe; the upper end of the internal thread sleeve is connected with an external thread limiting ring plate sleeved on the flow guide circular pipe in a threaded manner, and the external thread limiting ring plate is positioned on the upper side of the limiting ring; the peripheral side surface of the internal thread sleeve is provided with a plurality of grooves.

The inner bottom surface of the long trough is fixed with the isolation plates which are in stepped trend and sequentially increase along the length direction.

The invention has the following beneficial effects:

1. the invention arranges the turbine fan with high noise in the outdoor air supply device, reduces the noise during ventilation, reduces the volume of the indoor purification and filtration device, and reduces the influence on the indoor environment.

2. The purifying and filtering device of the invention forms a larger cavity between the primary dust removal of the filtering cylinder and the V-shaped clapboard inside, which is beneficial to pressure equalizing and noise reduction, and the purifying and filtering device is filtered by the filter plate at the end and then output by a plurality of adapters, thus increasing the output area and reducing the air velocity after pressure equalizing, and further reducing the noise.

3. The flow divider is composed of the flow guide groove and the air outlet cover plate, the flow guide groove divides the internal air flow into a plurality of mixed flow channels, the mixed flow channels are uniformly distributed and blown out from a plurality of air outlet long holes on the air outlet cover plate, the flow divider is smooth in air outlet, high in pressure-sharing comfort level and low in overall noise.

4. The angle of the flow divider can be adjusted on the purification and filtration device, and the angle of the flow divider is fixed through the annular gland, so that the air outlet angle of the flow divider is wide in adjustable range and wide in coverable range, and the flow divider is suitable for the ventilation requirements of different areas.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a first unfolded state of a fresh air device for indoor ventilation according to the present invention;

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

FIG. 3 is a schematic view of the present invention with the closure removed;

FIG. 4 is a schematic structural view of a first unfolded state of the present invention;

FIG. 5 is a schematic view of an air duct;

FIG. 6 is a schematic view of the blower;

fig. 7 is a schematic structural view of a rectangular box body and an adapter;

fig. 8 is a schematic structural view of a diversion trench;

fig. 9 is a schematic structural view of the air outlet cover plate;

FIG. 10 is a schematic structural view of the annular gland;

in the drawings, the components represented by the respective reference numerals are listed below:

1-air supply device, 2-purification filter device, 3-flow divider, 4-annular gland, 11-air guide pipeline, 12-air blower, 111-cylindrical air pipe, 112-first rectangular flange plate, 121-turbo fan, 122-air inlet pipe, 123-air outlet hole, 124-second rectangular flange plate, 125-filter screen, 21-rectangular box body, 22-filter cylinder, 23-filter plate, 24-sealing cover, 25-adapter, 211-air inlet, 212-cylindrical sleeve, 213-fan vent, 214-round through hole, 215-V-shaped partition plate, 216-slot, 217-rectangular through hole, 218-air outlet hole, 251-flat pipe, 252-external threaded pipe, 31-diversion trench, 32-air outlet cover plate, 311-a kidney-shaped long groove, 312-a flow guide circular tube, 313-a limiting circular ring, 314-a separation plate, 321-an air outlet long hole, 41-an internal thread sleeve, 42-an external thread limiting ring plate and 43-a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention relates to a fresh air device for indoor ventilation, which comprises an outdoor air supply device 1 and a purification and filtration device 2 installed indoors and cooperating with the air supply device 1; a plurality of flow dividers 3 for air outlet are arranged at the upper part and the lower part of the purifying and filtering device 2; the flow divider 3 is in running fit with the purification and filtration device 2 and is positioned by an annular gland 4;

the air supply device 1 comprises an air guide pipeline 11 which penetrates through a wall body and is arranged on the wall, and an air blower 12 which is arranged at the outer end of the air guide pipeline 11.

The air guide pipeline 11 comprises a cylindrical air pipe 111 penetrating through the wall body; a first rectangular flange plate 112 is fixed to the end surface of the cylindrical air duct 111 located outside.

Wherein, the blower 12 comprises a turbo fan 121 and an air inlet pipe 122 with an opening at the lower end; the turbo fan 121 is installed at the upper end inside the air inlet pipe 122; an air outlet 123 matched with the air guide pipeline 11 is formed in one side of the upper end of the air inlet pipe 122; a second rectangular flange plate 124 matched with the air guide pipeline 11 is fixed on the same side of the upper end of the air inlet pipe 122; the lower end of the air inlet pipe 122 is provided with a filter screen 125, and when the turbo fan 121 is not started, indoor and outdoor air flow is directly isolated to prevent air flow noise and air flow influence. In short, the turbo fan 121 with high noise is disposed in the outdoor air supply device 1, so that the noise during ventilation is reduced, the volume of the indoor purification and filtration device 2 is reduced, and the influence on the indoor environment is reduced.

The purifying and filtering device 2 comprises a rectangular box body 21 with an opening at one end, a filtering cylinder 22 and a filtering plate 23, wherein the filtering cylinder 22 is arranged in the rectangular box body 21 and used for primary filtering, the filtering plate 23 is used for secondary filtering, and a sealing cover 24 is detachably arranged at the opening end of the rectangular box body 21; the filter plate 23 is a rectangular plate-shaped filter element;

the center of the rectangular box body 21 is provided with an air inlet 211 matched with the air guide pipeline 11; a cylindrical sleeve 212 for installing the filter cylinder 22 is coaxially arranged at the center of the interior of the rectangular box body 21 and the air inlet 211; fan-shaped ventilation openings 213 which are arranged along the axial direction are uniformly distributed on the peripheral side surface of the cylinder sleeve 212; four round through holes 214 for installation and positioning are formed in the bottom of the rectangular box body 21; two ends of the bottom in the rectangular box body 21 in the length direction are respectively provided with a V-shaped clapboard 215, and two walls of the V-shaped clapboard 215 extending outwards are fixedly connected with the inner wall of the rectangular box body 21; the free ends of the two walls of the V-shaped partition plate 215 are respectively provided with a slot 216 for inserting and mounting the filter plate 23; rectangular through holes 217 matched with the corresponding slots 216 are formed in two walls of the V-shaped partition plate 215;

a row of air outlet holes 218 are formed at the two ends of the rectangular box body 21 in the length direction; the outer side end of the air outlet hole 218 is fixed with a connector 25 connected with the flow divider 3; the adapter 25 includes a flat tube 251 having one end fixedly communicated with the air outlet hole 218; the other end of the flat tube 251 is fixedly communicated with an external thread tube 252; the flow divider 3 is inserted on the external threaded pipe 252, and the annular gland 4 is in threaded connection with the external threaded pipe 252. In short, the inside one-level that filters drum 22 through the purification filter equipment 2 removes dust and forms great cavity between the V-arrangement baffle 215, is favorable to the voltage-sharing noise reduction, filters the back through the filter 23 of tip and exports through a plurality of adapters 25, increases the air velocity of reducing after the output area voltage-sharing, further falls the noise.

The flow divider 3 comprises a diversion trench 31 and an air outlet cover plate 32 arranged at the opening end of the diversion trench 31; the diversion trench 31 includes a long waist-shaped trench 311 with an open upper end; the lower part of one end of the long kidney-shaped slot 311 penetrates through a circular diversion pipe 312 fixedly inserted on the purifying and filtering device 2; the circumferential side surface of the circular diversion pipe 312 is provided with a limit ring 313; the surface of the air outlet cover plate 32 is provided with an air outlet long hole 321 with a stepped trend along the length direction, and the annular gland 4 comprises an internal thread sleeve 41 in threaded connection with the external thread pipe 252; the upper end of the internal thread sleeve 41 is connected with an external thread limit ring plate 42 which is sleeved on the flow guide circular pipe 312 in a threaded manner, and the external thread limit ring plate 42 is positioned on the upper side of the limit circular ring 313; the circumferential side surface of the internal thread sleeve 41 is provided with a plurality of grooves 43, and the inner bottom surface of the waist-round long groove 311 is fixed with gradually increasing isolation plates 314 along the length direction. In short, the flow divider 3 is composed of two parts, namely a flow guide groove 31 and an air outlet cover plate 32, the flow guide groove 31 divides the internal air flow into a plurality of mixed flow channels, a plurality of air outlet long holes 321 are uniformly distributed on the air outlet cover plate 32, the air outlet of the flow divider 3 is smooth and high in pressure-equalizing comfort, and the whole noise is low.

As shown in fig. 1 and 4, the flow divider 3 has a plurality of angle adjustment modes, the flow divider 3 of the present invention can be angle-adjusted on the purification filtering device 2, and can be angle-fixed by the annular gland 4, the flow divider 3 has a large air outlet angle adjustable range and a wide coverage range, and is suitable for the ventilation requirements of different areas.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.