Overlapped circular fresh air ventilation structure device

By designing a stacked round fresh air air ventilation structure device, a spliced ​​closed-loop connection of multiple ring chambers is realized, which solves the problem that air purification equipment cannot effectively exchange fresh air in the prior art, realizes effective circulation and purification of air, and improves indoor environment quality and comfort.

CN119642305AInactive Publication Date: 2025-03-18BEIJING DAOFENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411901705.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-03-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing ring cavity core and air purification equipment cannot realize the spliced ​​closed-loop connection of multiple ring cavity, resulting in the lack of effective exchange and supplementation with the outside fresh air after a certain number of purification treatments. The purification effect gradually becomes saturated, which cannot meet the needs of ideal purification and produce fresh air.

Method used

A stacked round fresh air ventilation structure device is designed, including an air inlet tube, an air exchange assembly, a return air assembly and an exhaust tube. Through the combination of the air inlet tube and an exchange partition, effective isolation between the air inlet and exhaust air is achieved. With the axial flow fan and an air exchange cylinder of the air exchange assembly, the air inside the air exchange assembly is diverted into indoor fresh air outlets and outdoor exhaust ports, realizing the circulation of indoor and outdoor air.

Benefits of technology

Through this device, effective exchange and circulation of air is achieved, indoor environmental quality and temperature balance are improved, and suitable and comfortable indoor environment are achieved, meeting the needs of circulating purification to generate fresh air.

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Abstract

The invention relates to the technical field of fresh air ventilation devices, in particular to an overlapped circular type fresh air ventilation structure device which comprises an air inlet barrel, an air exchange assembly, an air return assembly and an air exhaust barrel, and the air inlet barrel is fixedly connected with one end of the air exhaust barrel and one end of the air exchange assembly through flange plates; the other end of the air exchange assembly is fixedly connected with the air return assembly, the air exchange assembly comprises an axial flow fan, an electrostatic dust collection barrel, an air exchange barrel and a shell, inlet air and exhaust air can be effectively isolated through the air inlet barrel, and air in the air exchange assembly is effectively divided into indoor fresh air and outdoor exhaust air by means of the axial flow fan and the air exchange barrel; indoor and outdoor air circulation is achieved through the air return assembly, the indoor environment quality is improved and the indoor temperature is balanced through the electrostatic dust collection barrel and the cold and heat exchange pipe, then the suitable and comfortable indoor environment is achieved, and the problems that splicing type closed-loop connection of the multiple annular cavities cannot be achieved, and the cost is low are solved. And the requirement for generating fresh air through indoor and outdoor circulating purification cannot be met.
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Description

Technical Field

[0001] The present invention relates to the technical field of fresh air ventilation devices, and in particular to a stacked circular fresh air ventilation structure device. Background Art

[0002] Air purifiers clean the air through filters, but their particle removal is limited and cannot remove all pollutants. They also cannot increase the oxygen content in the air or produce fresh air. In addition, opening windows for ventilation in summer and winter will cause uneven room temperature, reduce comfort and increase energy consumption. Therefore, it is necessary to improve the existing annular core and air purification equipment.

[0003] Existing annular cavity cores and air purification equipment cannot achieve splicing closed-loop connection of multiple annular cavities. The limitations of their structural design make the air circulation path relatively single, and are limited to circulation within the indoor space. This means that after a certain number of purification treatments, the indoor air will gradually become saturated due to the lack of effective exchange and supplementation with fresh air from the outside, making it difficult to further improve the air quality, resulting in the inability to meet the ideal purification and fresh air generation needs. Summary of the invention

[0004] The technical problem to be solved by the present invention is that: it is impossible to realize the splicing closed-loop connection of multiple ring cavities, and only indoor circulation purification can be carried out, resulting in the inability to meet the demand for circulation purification to generate fresh air.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a stacked circular fresh air ventilation structure device, which includes an air inlet tube, an air exchange component, a return air component and an exhaust tube, wherein a flange is provided at the bottom of the air inlet tube, the air inlet tube is fixedly connected to the exhaust tube and one end of the air exchange component through the flange, and the other end of the air exchange component is fixedly connected to the return air component;

[0006] The air inlet cylinder is also respectively provided with an air inlet hole and an air exhaust groove, an annular groove is provided between the air inlet hole and the air exhaust groove, the annular groove is fixedly connected to one end of an exchange spacer, the exchange spacer is provided with a plurality of air inlet holes, and the other end of the spacer is fixedly connected to a first filter cotton net.

[0007] As a preferred solution of the stacked circular fresh air ventilation structure device described in the present invention, wherein: the air exchange component includes an axial flow fan, an electrostatic dust collector, an air exchange cylinder and an outer shell, the bottom of the axial flow fan is fixedly connected to the exchange partition, the bottom of the axial flow fan is provided with a placement seat, the placement seat is positioned and connected to the electrostatic dust collector, the outer wall of the electrostatic dust collector is provided with an air exchange cylinder, the outer wall of the air exchange cylinder is embedded in the inner wall of the air inlet cylinder, and the outer wall of the air inlet cylinder is fixedly connected to the outer shell.

[0008] As a preferred embodiment of the stacked circular fresh air ventilation structure device described in the present invention, wherein: an air inlet channel and an exhaust channel are opened at one end of the air exchange cylinder, a return air channel is opened at the other end of the air exchange cylinder, an air inlet is opened at one end of the inner wall of the air exchange cylinder, the air inlet channel and the return air channel are connected to merge the air inlet, a fresh air inlet and an exhaust outlet are respectively opened at the other end of the inner wall of the air exchange cylinder, the exhaust outlet and the exhaust channel are connected, a fresh air channel is opened on the outer wall of the air exchange cylinder, and the fresh air channel is connected to the fresh air inlet.

[0009] As a preferred solution of the stacked circular fresh air ventilation structure device of the present invention, wherein: the outer wall of the shell is provided with a fresh air hole, and the fresh air hole is aligned with the fresh air channel of the air exchange cylinder.

[0010] As a preferred solution of the stacked circular fresh air ventilation structure device of the present invention, wherein: the outer wall of the air exchange cylinder is provided with a cold and hot exchange pipe, and the circulation ports of the cold and hot exchange pipes respectively pass through the outer shell.

[0011] As a preferred solution of the stacked circular fresh air ventilation structure device described in the present invention, the electrostatic dust removal cylinder includes an outer cylinder, an electrode sheet and a connecting block, the number of the electrode sheets is three, and the two ends of the electrode sheet are respectively fixedly connected to the outer cylinder and the connecting block.

[0012] As a preferred solution of the stacked circular fresh air ventilation structure device described in the present invention, the electrode sheet includes a positive electrode sheet and a negative electrode sheet, the electrodes of the positive electrode sheet and the negative electrode sheet are respectively staggered and combined in parallel rings, and the positive electrode sheet and the negative electrode sheet are respectively fixedly connected by insulating screws and insulating washers.

[0013] As a preferred solution of the stacked circular fresh air ventilation structure device described in the present invention, the positive electrode sheet and the negative electrode sheet are respectively provided with a first conductive column and a second conductive column, and the first conductive column and the second conductive column are respectively connected to the electrode circuit board.

[0014] As a preferred solution of the stacked circular fresh air ventilation structure device described in the present invention, the return air component includes a return air cylinder, a second filter cotton net and a return air partition, the outer wall of the return air cylinder is provided with a return air hole, the inner wall of the return air cylinder is embedded with one end of the second filter cotton net, one end of the second filter cotton net is arranged on the return air partition, and the return air partition is provided with a return air hole.

[0015] As a preferred solution of the stacked circular fresh air ventilation structure device described in the present invention, a sound insulation and heat insulation gasket ring is provided between the outer shell and the air exchange cylinder, and a sealing gasket is provided between the return air partition and the electrode circuit board.

[0016] Beneficial effects of the present invention: The present invention can effectively isolate the intake and exhaust air through the combination of the air inlet cylinder and the exchange partition, and effectively divert the air inside the air exchange component into indoor fresh air inlet and outdoor exhaust outlet with the help of the axial flow fan and the air exchange cylinder of the air exchange component. At the same time, indoor and outdoor air circulation is achieved through the return air component, and the indoor environmental quality is improved and the indoor temperature is balanced through the electrostatic dust removal cylinder and the hot and cold exchange pipe, thereby achieving a suitable and comfortable indoor environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present disclosure.

[0018] Figure 2 It is a schematic diagram of the air inlet tube structure in the embodiment of the present disclosure.

[0019] Figure 3 Schematic diagram of the exchange spacer structure in the embodiment of the present disclosure.

[0020] Figure 4 It is an overall left view of the embodiment of the present disclosure.

[0021] Figure 5 It is an overall cross-sectional view of an embodiment of the present disclosure.

[0022] Figure 6 An exploded view of the air exchange assembly in an embodiment of the present disclosure.

[0023] Figure 7 It is a schematic diagram of the structure of the axial flow fan in the embodiment of the present disclosure.

[0024] Figure 8 It is a schematic diagram of the structure of the air exchange cylinder in the embodiment of the present disclosure.

[0025] Fig. 9 It is a schematic diagram of the structure of the electrostatic precipitator in the embodiment of the present disclosure.

[0026] Fig.10 It is a cross-sectional view of the electrode sheet connection in the embodiment of the present disclosure.

[0027] Fig.11 It is an exploded view of the return air assembly in the embodiment of the present disclosure.

[0028] Fig.12 It is an exploded view of the overall structure in the embodiment of the present disclosure.

[0029] Fig.13 Schematic diagram of the air exchange cycle in the embodiment of the present disclosure.

[0030] Figure 1: 1-inlet cylinder, 11-exchange spacer, 12-first filter cotton net, 101-flange, 102-inlet hole, 103-exhaust slot, 104-ring groove, 1101-inlet hole, 2-air exchange assembly, 21-axial flow fan, 2101-placement seat, 22-electrostatic dust removal cylinder, 221-outer cylinder, 222-electrode sheet, 2221-positive electrode sheet, 2222-negative electrode sheet, 223-connecting block, 224-insulating screw, 225-insulating gasket, 2201-first conductive column, 2202-second conductive column Electric pole, 23-air exchange cylinder, 2301-air inlet channel, 2302-exhaust channel, 2303-return air channel, 2304-air inlet, 2305-fresh air inlet, 2036-exhaust outlet, 2307-fresh air channel, 24-housing, 2401-fresh air hole, 25-cold and heat exchange tube, 26-electrode circuit board, 27-sound insulation and heat insulation gasket, 3-return air assembly, 31-return air cylinder, 311-return air hole, 32-second filter cotton net, 33-return air partition, 331-return air hole, 34-sealing pad, 4-exhaust cylinder. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] Reference Figure 1-10 This embodiment provides a stacked circular fresh air ventilation structure device, including an air inlet 1, an air exchange component 2, a return air component 3 and an exhaust duct 4. A flange 101 is provided at the bottom of the air inlet 1. The air inlet 1 is fixedly connected to one end of the exhaust duct 2 and the air exchange component 3 through the flange 101, and the other end of the air exchange component 2 is fixedly connected to the return air component 3.

[0033] The air inlet cylinder 1 is also respectively provided with an air inlet hole 102 and an air exhaust groove 103, and an annular groove 104 is provided between the air inlet hole 102 and the air exhaust groove 103. The annular groove 104 is fixedly connected to one end of the exchange spacer 11. The exchange spacer 11 is provided with a plurality of air inlet holes 1101, and the other end of the spacer 11 is fixedly connected to the first filter cotton net 12.

[0034] In this embodiment, the air inlet 1 is fixedly installed on the exhaust duct 2 and one end of the air exchange component 3 through the flange 101, and the other end of the air exchange component 3 is fixedly installed on the return air component 3, so that the device forms a cavity for air ventilation flow. One end of the outdoor air enters the air inlet hole 102 of the air inlet duct 1, and in turn passes through the air inlet hole 1101 of the exchange partition 11, passes through the first filter cotton net 12 to filter the air, and flows into the air exchange component 2 to purify the air, and is discharged into the room through a part of the outside of the air exchange component 2, and the other part passes through the exhaust slot 103 of the air inlet duct 1, and finally flows out to the outside from the exhaust duct 4. Among them, the indoor air will also enter the return air component 3, so that the air converges inside the air exchange component 2, forming a circulation of indoor and outdoor air, thereby achieving a suitable and comfortable indoor environment.

[0035] The air exchange component 2 includes an axial flow fan 21, an electrostatic dust collector 22, an air exchange cylinder 23 and an outer shell 24. The bottom of the axial flow fan 21 is fixedly connected to the exchange partition 11. A placement seat 2101 is provided at the bottom of the axial flow fan 21. The placement seat 2101 is positioned and connected to the electrostatic dust collector 22. The outer wall of the electrostatic dust collector 22 is provided with an air exchange cylinder 23. The outer wall of the air exchange cylinder 23 is embedded in the inner wall of the air inlet cylinder 1. The outer wall of the air inlet cylinder 1 is fixedly connected to the outer shell 23. Through the electrostatic dust collector 22 and the air exchange cylinder 23, a fresh air hole 2401 is provided on the outer wall of the outer shell 24, which can not only filter the dust in the air again, but also enable the equipment to complete the circulation of air intake, exhaust and return air in a limited space.

[0036] An air inlet 2301 and an air exhaust duct 2302 are provided at one end of the air exchange cylinder 23, a return air duct 2303 is provided at the other end of the air exchange cylinder 23, an air inlet 2304 is provided at one end of the inner wall of the air exchange cylinder 23, the air inlet 2301 and the return air duct 2303 are communicated and merged with the air inlet 2304, a fresh air inlet 2305 and an air exhaust duct 2306 are respectively provided at the other end of the inner wall of the air exchange cylinder 23, the air exhaust duct 2306 is communicated with the exhaust duct 2302, a fresh air duct 2307 is provided on the outer wall of the air exchange cylinder 23, the fresh air duct 2307 is communicated with the fresh air inlet 2305, a fresh air hole 2401 is provided on the outer wall of the outer shell 24, and the fresh air hole 2401 is aligned with the fresh air duct 2307 of the air exchange cylinder 24.

[0037] The outer wall of the air exchange cylinder 23 is provided with a cold and hot exchange pipe 25, and the circulation ports of the cold and hot exchange pipe 25 pass through the outer shell 24 respectively, so that the indoor temperature reaches the temperature required by the human body.

[0038] In this embodiment, when the axial flow fan 21 is working, an air pressure difference is formed between the inside of the air exchange component 2 and the indoor and outdoor areas, so that the outdoor air flows into the air inlet 2304 from the air inlet channel 2301 of the air exchange cylinder 23, passes through the electrostatic dust collector 22, and the fine dust that has not been purified by the filter cotton net is removed again by the electrostatic dust collector 22. Then, the purified air passes through the fresh air port 2305 and the exhaust port 2306 respectively. A part of the purified air is discharged as fresh air from the fresh air hole 2401 of the outer shell 24, and another part of the purified air is discharged to the outdoors from the exhaust channel 2302. Among them, the fresh air passes through the heat exchange pipe 25 to make the indoor air reach a suitable temperature.

[0039] The electrostatic precipitator cylinder 22 includes an outer cylinder 221, an electrode sheet 222 and a connecting block 223. There are three electrode sheets 222. Both ends of the electrode sheets 222 are fixedly connected to the outer cylinder 221 and the connecting block 223 respectively. The electrostatic precipitator cylinder 22 is used to improve the dust removal quality of the equipment.

[0040] The electrode sheet 222 includes a positive electrode sheet 2221 and a negative electrode sheet 2222 . The electrodes of the positive electrode sheet 2221 and the negative electrode sheet 2222 are respectively staggered and parallelly combined in a ring shape. The positive electrode sheet 2221 and the negative electrode sheet 2222 are respectively fixedly connected by insulating screws 224 and insulating washers 225 .

[0041] The positive electrode sheet 2221 and the negative electrode sheet 2222 are respectively provided with a first conductive column 2201 and a second conductive column 2202 , and the first conductive column 2201 and the second conductive column 2202 are respectively connected to the electrode circuit board 26 .

[0042] In this embodiment, the positive electrode sheet 2221 and the negative electrode sheet 2222 are fixed by insulating screws 224 and insulating washers 225 respectively and installed in a staggered parallel combination. Then, the electrode sheet 222 is energized through the first conductive column 2201 of the positive electrode sheet 2221 and the second conductive column 2202 of the negative electrode sheet 2222, thereby absorbing fine dust.

[0043] The return air assembly 3 includes a return air cylinder 31, a second filter cotton net 32 ​​and a return air partition 33. The outer wall of the return air cylinder 31 is provided with a return air hole 311, and the inner wall of the return air cylinder 31 is embedded with one end of the second filter cotton net 32. One end of the second filter cotton net 32 ​​is arranged on the return air partition 33. The return air partition 33 is provided with a return air hole 331. The indoor air can be circulated through the equipment through the return air assembly 3, thereby further improving the indoor comfort.

[0044] In this embodiment, when the purified air enters the return air hole 331 of the return air cylinder 31, it is filtered of dust by the second filter cotton mesh 32, and then passes through the return air hole 331 of the return air baffle 33, and finally flows into the air exchange component 2 and merges with the air in the air inlet cylinder 1.

[0045] A sound-insulating and heat-insulating gasket ring 27 is provided between the outer shell 24 and the air exchange cylinder 23, and a sealing gasket 34 is provided between the return air partition plate 33 and the electrode circuit board 26, so as to achieve the stability of the equipment operation.

[0046] Working principle: When the axial flow fan 21 is working, a pressure difference is formed between the inside of the air exchange component 2 and the indoor and outdoor, so that one end of the outdoor air enters the air inlet hole 102 of the air inlet cylinder 1, and then passes through the air inlet hole 1101 of the exchange partition 11, passes through the first filter cotton net 12 to filter the air, enters the air inlet channel 2301 of the air exchange cylinder 23, flows into the air inlet 2304, passes through the electrostatic dust removal cylinder 22, passes through the first conductive column 2201 of the positive electrode 2221 and the second conductive column 2202 of the negative electrode 2222, so that the electrode sheet 222 is energized, and the fine dust that has not been purified by the filter cotton net is removed again through the electrostatic dust removal cylinder 22, and then, after purification, The air passes through the fresh air inlet 2305 and the exhaust outlet 2306 respectively, and a part of the purified air is discharged as fresh air from the fresh air hole 2401 of the outer shell 24, and the other part of the purified air is discharged to the outside from the exhaust duct 2302, wherein the fresh air passes through the heat exchange pipe 25 to make the indoor air reach a suitable temperature, and then, when the purified air enters the return air hole 331 of the return air cylinder 31, it is filtered by the second filter cotton net 32 ​​to filter the indoor dust, and then passes through the return air hole 331 of the return air baffle 33, flows into the air exchange component 2 and merges with the air of the air inlet cylinder 1, and finally, forms a circulation of indoor and outdoor air, thereby achieving a suitable and comfortable indoor environment.

Claims

1. A stacked circular fresh air ventilation structure device, characterized in that: The invention comprises an air inlet duct (1), an air exchange component (2), a return air component (3) and an exhaust duct (4); a flange (101) is provided at the bottom of the air inlet duct (1); the air inlet duct (1) is fixedly connected to one end of the exhaust duct (2) and the air exchange component (3) through the flange (101); and the other end of the air exchange component (2) is fixedly connected to the return air component (3); The air inlet cylinder (1) is also provided with an air inlet hole (102) and an air exhaust groove (103), an annular groove (104) is provided between the air inlet hole (102) and the air exhaust groove (103), the annular groove (104) is fixedly connected to one end of an exchange spacer (11), the exchange spacer (11) is provided with a plurality of air inlet holes (1101), and the other end of the spacer (11) is fixedly connected to a first filter cotton net (12).

2. The stacked circular fresh air ventilation structure device according to claim 1 is characterized in that: The air exchange component (2) comprises an axial flow fan (21), an electrostatic precipitator cylinder (22), an air exchange cylinder (23) and a casing (24); the bottom of the axial flow fan (21) is fixedly connected to the exchange spacer (11); a placement seat (2101) is provided at the bottom of the axial flow fan (21); the placement seat (2101) is positioned and connected to the electrostatic precipitator cylinder (22); the outer wall of the electrostatic precipitator cylinder (22) is provided with an air exchange cylinder (23); the outer wall of the air exchange cylinder (23) is embedded in the inner wall of the air inlet cylinder (1); and the outer wall of the air inlet cylinder (1) is fixedly connected to the casing (23).

3. The stacked circular fresh air ventilation structure device according to claim 2 is characterized in that: An air inlet channel (2301) and an air exhaust channel (2302) are provided at one end of the air exchange cylinder (23), and a return air channel (2303) is provided at the other end of the air exchange cylinder (23). An air inlet (2304) is provided at one end of the inner wall of the air exchange cylinder (23), and the air inlet channel (2301) and the return air channel (2303) are connected to the air inlet (2304). A fresh air inlet (2305) and an air exhaust channel (2306) are respectively provided at the other end of the inner wall of the air exchange cylinder (23), and the air exhaust channel (2306) is connected to the exhaust channel (2302). A fresh air channel (2307) is provided on the outer wall of the air exchange cylinder (23), and the fresh air channel (2307) is connected to the fresh air inlet (2305).

4. The stacked circular fresh air ventilation structure device according to claim 3 is characterized in that: A fresh air hole (2401) is provided on the outer wall of the shell (24), and the fresh air hole (2401) is aligned with the fresh air channel (2307) of the air exchange cylinder (23).

5. The stacked circular fresh air ventilation structure device according to claim 4, characterized in that: The outer wall of the air exchange cylinder (23) is provided with a cold and hot exchange pipe (25), and the circulation ports of the cold and hot exchange pipe (25) respectively pass through the outer shell (24).

6. The stacked circular fresh air ventilation structure device according to claim 5, characterized in that: The electrostatic precipitator cylinder (22) comprises an outer cylinder (221), an electrode sheet (222) and a connection block (223). The number of the electrode sheets (222) is three, and the two ends of the electrode sheets (222) are respectively fixedly connected to the outer cylinder (221) and the connection block (223).

7. The stacked circular fresh air ventilation structure device according to claim 6, characterized in that: The electrode sheet (222) comprises a positive electrode sheet (2221) and a negative electrode sheet (2222), wherein the electrodes of the positive electrode sheet (2221) and the negative electrode sheet (2222) are respectively combined in a staggered parallel ring shape, and the positive electrode sheet (2221) and the negative electrode sheet (2222) are respectively fixedly connected by insulating screws (224) and insulating washers (225).

8. The stacked circular fresh air ventilation structure device according to claim 7, characterized in that: The positive electrode sheet (2221) and the negative electrode sheet (2222) are respectively provided with a first conductive column (2201) and a second conductive column (2202), and the first conductive column (2201) and the second conductive column (2202) are respectively connected to the electrode circuit board (26).

9. The stacked circular fresh air ventilation structure device according to claim 8, characterized in that: The return air assembly (3) comprises a return air cylinder (31), a second filter cotton net (32) and a return air partition (33); the outer wall of the return air cylinder (31) is provided with a return air hole (311); one end of the second filter cotton net (32) is embedded in the inner wall of the return air cylinder (31); one end of the second filter cotton net (32) is arranged on the return air partition (33); and the return air partition (33) is provided with a return air hole (331).

10. The stacked circular fresh air ventilation structure device according to claim 9, characterized in that: A sound-insulating and heat-insulating gasket ring (27) is provided between the housing (24) and the air exchange cylinder (23), and a sealing gasket (34) is provided between the return air partition plate (33) and the electrode circuit board (26).