Segmented ventilating duct assembly for fresh air system of air conditioner

By designing segmented ventilation duct components, the problem of air conditioning fresh air systems requiring two duct openings was solved, achieving both fresh air and exhaust air sharing a single duct opening for sealing and temperature regulation, thus improving the user experience.

CN223855822UActive Publication Date: 2026-01-30GUANGZHOU HUAXUAN ENVIRONMENTAL TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520088146.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-30
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Existing air conditioning and fresh air systems require two duct openings, one for fresh air and one for exhaust air, which makes it inconvenient to drill holes in buildings, especially for small buildings or buildings with only one duct opening.

Method used

Design a segmented ventilation duct assembly that connects multiple duct bodies to form fresh air and exhaust air ducts, uses sealing strips and sealing rings to ensure airtightness, and uses a locking structure to fix it, so that fresh air and exhaust air can share a single duct opening, and can be equipped with a return air system to regulate the fresh air temperature.

Benefits of technology

This allows fresh air and exhaust air to enter the building through the same duct, improving airtightness and structural stability, while also allowing for adjustment of the fresh air temperature and enhancing the user experience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223855822U_ABST
    Figure CN223855822U_ABST
Patent Text Reader

Abstract

The utility model provides a sectional ventilation pipeline assembly for an air conditioner fresh air system. The sectional ventilation pipeline assembly comprises a plurality of pipeline bodies connected in sequence. An air channel is formed in the pipeline body, connecting parts are formed at the two ends of the air channel respectively, a partition plate is arranged in the air channel and divides the air channel into a fresh air channel and an exhaust air channel, and the two ends of the partition plate are located at ports of the air channel respectively. The fresh air ducts of the adjacent pipeline bodies are correspondingly communicated, the exhaust air ducts of the adjacent pipeline bodies are correspondingly communicated, the connecting parts of the adjacent pipeline bodies are locked through locking structures, and sealing strips and sealing rings are arranged between the adjacent pipeline bodies. Compared with the prior art, the segmented ventilation pipeline assembly for the fresh air system of the air conditioner has the advantages that fresh air can be introduced and exhausted through the same ventilation pipeline assembly, only one through hole needs to be formed in a building, the sealing performance between the pipeline bodies is good, and the structure is stable.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely relates to a kind of sectional ventilation duct assembly for air conditioning fresh air system. BACKGROUND

[0002] Three air circulation systems of air conditioner are indoor air circulation system, outdoor air circulation system, fresh air system.Fresh air system can realize the exchange of indoor and outdoor air.

[0003] The fresh air system of air conditioner needs to be connected to outdoor to introduce outdoor air and exhaust indoor air, but fresh air channel and exhaust channel are separated, which needs to open two pipe openings on the building, which is not convenient, especially for some smaller buildings or for some buildings with only a single pipe opening. SUMMARY

[0004] The utility model aims at overcoming the shortcomings and deficiencies in prior art, provide a kind of sectional ventilation duct assembly for air conditioning fresh air system.

[0005] One embodiment of the utility model provides a kind of sectional ventilation duct assembly for air conditioning fresh air system, comprising: multiple sequentially connected pipe bodies;

[0006] The pipe body is formed with air duct, and the two ends of the air duct are formed with connecting parts, the connecting parts are arranged around the port of the air duct, the air duct is provided with a partition plate, the partition plate separates the air duct into fresh air duct and exhaust air duct, and the two ends of the partition plate are located at the port of the air duct;

[0007] The fresh air duct of adjacent pipe body is correspondingly communicated, the exhaust air duct of adjacent pipe body is correspondingly communicated, the connecting part of adjacent pipe body is locked by locking structure, sealing strip and sealing ring are arranged between adjacent pipe body, one part of the sealing strip is arranged between the end of the partition plate of adjacent pipe body, another part of the sealing strip is arranged between the connecting part of adjacent pipe body, the sealing ring is arranged between the connecting part of adjacent pipe body, and the two ends of the sealing strip are connected with the two sides of the sealing ring respectively.

[0008] In some optional embodiments, the two ends of the sealing strip are provided with first clamping grooves, and the sealing ring is matched with the first clamping grooves.

[0009] In some optional embodiments, the two sides of the sealing ring are provided with second clamping grooves, the sealing strip is matched with the second clamping grooves, and part of the first clamping grooves is located in the second clamping grooves.

[0010] In some alternative embodiments, the end of the partition plate is provided with a first positioning groove, and the sealing strip is positioned and matched with the first positioning groove of the partition plate of the adjacent pipeline body.

[0011] In some alternative embodiments, the connecting portion is provided with a second positioning groove, the second positioning groove is communicated with the first positioning groove, the sealing ring is positioned and matched with the second positioning groove of the connecting portion of the adjacent pipeline body, and part of the sealing strip extends into the second positioning groove.

[0012] In some alternative embodiments, the thickness of the two ends of the partition plate is greater than the thickness of the middle part of the partition plate.

[0013] In some alternative embodiments, the locking structure comprises a plurality of first threaded locking members and two reinforcing locking assemblies, the plurality of first threaded locking members are arranged around the air duct, and the first threaded locking members are respectively detachably connected with the connecting portions of the adjacent pipeline bodies.

[0014] The reinforcing locking assemblies are respectively arranged on the two sides of the air duct, the reinforcing locking assembly comprises two T-shaped mounting plates, a second threaded locking member and two third threaded locking members, the two T-shaped mounting plates are used for clamping the connecting portions of the adjacent pipeline bodies, the second threaded locking member penetrates through the two T-shaped mounting plates and the adjacent pipeline body, and the second threaded locking member is located on the side of the sealing ring away from the air duct, the third threaded locking member penetrates through the two T-shaped mounting plates and the adjacent pipeline body, the third threaded locking member is located on the side of the sealing ring away from the air duct, and the two third threaded locking members are respectively connected with the two sides of the sealing strip.

[0015] In some alternative embodiments, the partition plate in one of the pipeline bodies is provided with an air return port, a control valve and a filtering assembly, the air return port is respectively communicated with the fresh air channel and the exhaust air channel, the control valve is arranged at the air return port and is used for opening and closing the air return port, and the filtering assembly is arranged at the air return port.

[0016] In some alternative embodiments, the control valve comprises a plurality of louvers and a power assembly, the plurality of louvers are arranged side by side in the air return port and are rotationally matched with the pipeline body through a rotating shaft, the power assembly is drivingly connected with the rotating shaft, and the power assembly drives the rotating shaft to rotate to open or close the louvers of the air return port.

[0017] In some alternative embodiments, the power assembly comprises an electric cylinder and a movable plate, the electric cylinder is arranged in the pipeline body and is in driving connection with the movable plate, a plurality of guide sliding grooves are arranged on the movable plate, the rotating shaft is in sliding fit with the guide sliding grooves through an adapter, and the electric cylinder drives the movable plate to translate so as to drive the adapter to slide along the guide sliding grooves, thereby rotating the rotating shaft.

[0018] Compared with the prior art, the sectional ventilation pipeline assembly for the new air system of the air conditioner can realize new air introduction and exhaust through one ventilation pipeline assembly, only one through hole needs to be opened on the building, the sealing between the pipeline bodies is good, and the structure is stable; in addition, a return air system can be designed to mix part of filtered indoor air into the new air, which is beneficial to making the temperature of the new air more close to the indoor temperature, and avoiding that the temperature difference between the introduced new air and the indoor air is too large to affect user experience.

[0019] In order to more clearly understand the utility model, the specific implementation manner of the present application will be described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an exploded view of the pipeline body, the sealing strip and the sealing ring of one embodiment of the utility model;

[0021] Figure 2 It is a sectional view of the pipeline body of one embodiment of the utility model;

[0022] Figure 3 It is an exploded view of part of the structure of the sectional ventilation pipeline assembly for the new air system of the air conditioner of one embodiment of the utility model;

[0023] Figure 4 It is an exploded view of the pipeline body of another embodiment of the utility model;

[0024] Figure 5 It is Figure 4 It is an enlarged view of A shown in the figure.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 10, pipe body; 11, connecting part; 12, partition plate; 121, first positioning groove; 122, second positioning groove; 13, fresh air duct; 14, exhaust air duct; 15, return air outlet; 16, control valve; 161, shutter; 162, power assembly; 163, rotating shaft; 164, electric cylinder; 165, movable plate; 166, guide sliding groove; 167, adapter; 17, filter assembly; 20, locking structure; 21, first threaded locking piece; 22, reinforcing locking assembly; 22, T-shaped mounting plate; 222, second threaded locking piece; 223, third threaded locking piece; 30, sealing strip; 31, first clamping groove; 40, sealing ring; 41, second clamping groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. In the description of the present application, unless otherwise specified, "a plurality of" means 2 or more than 2, and "several" means 1 or more than 1. In addition, unless otherwise specified, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the description of the utility model, the description of reference terms "one embodiment", "some optional implementation" or "some optional embodiment" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way.

[0031] Please refer to Figures 1 to 3 The utility model discloses an embodiment provides a kind of for air conditioning fresh air system's sectional ventilation duct assembly, comprising: multiple sequentially connected duct body 10;

[0032] Duct body 10 is formed with air duct, and the both ends of air duct are formed with connecting portion 11, and connecting portion 11 is arranged around the port of air duct, and separating plate 12 is provided in air duct, and separating plate 12 separates air duct into fresh air duct 13 and exhaust air duct 14, and the both ends of separating plate 12 are located at the port of air duct respectively;

[0033] The fresh air duct 13 of adjacent duct body 10 is correspondingly communicated, and the exhaust air duct 14 of adjacent duct body 10 is correspondingly communicated, so that fresh air introduction and exhaust air can be realized simultaneously, and only one through hole needs to be opened on building.

[0034] Connecting portion 11 of adjacent duct body 10 is locked by locking structure 20, and sealing strip 30 and sealing ring 40 are arranged between adjacent duct body 10, one part of sealing strip 30 is arranged between the end portion of separating plate 12 of adjacent duct body 10, another part of sealing strip 30 is arranged between connecting portion 11 of adjacent duct body 10, sealing ring 40 is arranged between connecting portion 11 of adjacent duct body 10, and the both ends of sealing strip 30 are connected with the both sides of sealing ring 40 respectively, sealing strip 30 improves the sealing property between separating plate 12, avoids fresh air duct 13 and exhaust air duct 14 from mutual intercommunication, and sealing ring 40 improves the sealing property between fresh air duct 13 and duct body 10 and the sealing property between exhaust air duct 14 and duct body 10. After locking structure 20 locks connecting portion 11 of two adjacent duct body 10, adjacent duct body 10 is tightly close to each other, separating plate 12 and connecting portion 11 of adjacent duct body 10 are clamped by sealing strip 30, and sealing ring 40 is clamped by connecting portion 11 of adjacent duct body 10.

[0035] In some optional embodiments, the sealing strip 30 is provided with a first clamping groove 31 at both ends, the sealing ring 40 is clamped with the first clamping groove 31, and the first clamping groove 31 is located between the connecting portions 11 of the adjacent pipeline bodies 10. When the connecting portions 11 of the adjacent pipeline bodies 10 clamp the sealing strip 30 and the sealing ring 40, it is beneficial to further improve the sealing between the sealing strip 30 and the sealing ring 40 and reduce air leakage.

[0036] In some optional embodiments, the sealing ring 40 is provided with a second clamping groove 41 at both sides, the sealing strip 30 is clamped with the second clamping groove 41, and part of the first clamping groove 31 is located in the second clamping groove 41, thereby further improving the connection stability of the sealing strip 30 and the sealing ring 40 and reducing air leakage.

[0037] In some optional embodiments, the end of the partition plate 12 is provided with a first positioning groove 121, and the sealing strip 30 is positioned with the first positioning groove 121 of the partition plate 12 of the adjacent pipeline body 10 at the same time. The first positioning groove 121 makes the sealing strip 30 stable during installation and is not easy to deviate from the position.

[0038] In some optional embodiments, the connecting portion 11 is provided with a second positioning groove 122, the second positioning groove 122 is communicated with the first positioning groove 121, the sealing ring 40 is positioned with the second positioning groove 122 of the connecting portion 11 of the adjacent pipeline body 10 at the same time, part of the sealing strip 30 extends into the second positioning groove 122, and the second positioning groove 122 makes the sealing ring 40 stable during installation and is not easy to deviate from the position.

[0039] In some optional embodiments, the thickness of the ends of the partition plate 12 is greater than the thickness of the middle part of the partition plate 12, so that the ends of the partition plate 12 have sufficient thickness to design the first positioning groove 121, and the thickness of the middle part of the partition plate 12 is relatively thin, which is beneficial to reduce material use and save cost.

[0040] In some optional embodiments, the locking structure 20 comprises a plurality of first threaded locking members 21 and two reinforced locking assemblies 22. The plurality of first threaded locking members 21 are arranged around the air duct, and each of the first threaded locking members 21 is detachably connected with the connecting portion 11 of the adjacent pipeline body 10. The reinforced locking assembly 22 is arranged on each side of the air duct. The reinforced locking assembly 22 comprises two T-shaped mounting plates 22, a second threaded locking member 222, and two third threaded locking members 223. The two T-shaped mounting plates 22 clamp the connecting portion 11 of the adjacent pipeline body 10. The second threaded locking member 222 penetrates through the two T-shaped mounting plates 22 and the adjacent pipeline body 10, and the second threaded locking member 222 is located on the side of the sealing ring 40 away from the air duct. The third threaded locking member 223 penetrates through the two T-shaped mounting plates 22 and the adjacent pipeline body 10, and the third threaded locking member 223 is located on the side of the sealing ring 40 away from the air duct. The two third threaded locking members 223 are respectively arranged on the two sides of the sealing strip 30. The two T-shaped mounting plates 22 clamp the part of the connecting portion 11 of the adjacent pipeline body 10 close to the junction of the sealing ring 40 and the sealing strip 30, thereby further improving the sealing performance. The first threaded locking member 21, the second threaded locking member 222, and the third threaded locking member 223 can all be a combination of a screw and a nut.

[0041] Please refer to Figures 4 to 5 In some optional embodiments, the partition plate 12 in one of the pipeline bodies 10 is provided with an air return port 15, a control valve 16, and a filter assembly 17. The air return port 15 is in communication with the fresh air channel and the exhaust air channel. The control valve 16 is arranged at the air return port 15 and is used to open and close the air return port 15. The filter assembly 17 is arranged at the air return port 15. When the temperature difference between indoor and outdoor is relatively large, the air return port 15 can be opened. Part of the indoor air enters the fresh air duct 13 through the filter assembly 17 and the air return port 15, so that part of the indoor air is mixed with the fresh air in the fresh air duct 13, which is conducive to making the temperature of the fresh air more close to the indoor temperature, thereby avoiding that the introduced fresh air has a large temperature difference with the indoor temperature and affecting the user experience.

[0042] In some optional embodiments, the control valve 16 comprises a plurality of louvers 161 and a power assembly 162. The plurality of louvers 161 are arranged side by side in the air return port 15 and are rotationally connected with the pipeline body 10 through a rotating shaft 163. The power assembly 162 is drivingly connected with the rotating shaft 163. The power assembly 162 drives the rotating shaft 163 to rotate to open or close the air return port 15. Of course, the control valve 16 can also adopt other suitable structures.

[0043] In some optional embodiments, the power assembly 162 comprises an electric cylinder 164 and a movable plate 165, the electric cylinder 164 is arranged in the duct body 10 and is drivingly connected with the movable plate 165, a plurality of guide sliding grooves 166 are arranged on the movable plate 165, the guide sliding grooves 166 are arc-shaped sliding grooves, the rotating shaft 163 is slidingly connected with the guide sliding grooves 166 through a connecting piece 167, the electric cylinder 164 drives the movable plate 165 to translate so as to drive the connecting piece 167 to slide along the guide sliding grooves 166, and then the rotating shaft 163 is rotated, the rotating shaft 163 drives the louvers 161 to rotate, and then the air return opening 15 is opened or closed. Of course, the power assembly 162 can also adopt other suitable structures. The electric cylinder 164 can be arranged in the fresh air duct 13 or the exhaust air duct 14, the electric cylinder 164 can be internally provided with a wireless communication module, which is convenient for a user to start or close the electric cylinder 164, the wireless communication module can adopt a wifi module, a Bluetooth module and the like, of course, the electric cylinder 164 can also be connected to outside of the duct body 10 through an electric wire, the electric wire is connected with a power supply and a control switch, which is convenient for the electric cylinder 164 to be powered and is convenient for a user to manually operate the control switch to realize control of the electric cylinder 164.

[0044] The filter assembly 17 can adopt a primary and medium efficiency filter.

[0045] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A segmented ventilation duct assembly for an air conditioning fresh air system, characterized in that, The utility model relates to a pipeline body for air conditioning, comprising: a plurality of sequentially connected pipeline bodies; a wind channel is formed in the pipeline body, both ends of the wind channel are respectively formed with connecting parts arranged around the ports of the wind channel, a partition plate is arranged in the wind channel, the partition plate separates the wind channel into a fresh air channel and an exhaust air channel, both ends of the partition plate are respectively located at the ports of the wind channel; the fresh air channels of adjacent pipeline bodies correspondingly communicate, the exhaust air channels of adjacent pipeline bodies correspondingly communicate, the connecting parts of adjacent pipeline bodies are locked by locking structures, a sealing strip and a sealing ring are arranged between adjacent pipeline bodies, one part of the sealing strip is arranged between the end portions of the partition plates of adjacent pipeline bodies, another part of the sealing strip is arranged between the connecting parts of adjacent pipeline bodies, the sealing ring is arranged between the connecting parts of adjacent pipeline bodies, and both ends of the sealing strip are respectively connected with both sides of the sealing ring.

2. The sectional ventilation duct assembly for a fresh air system of an air conditioner according to claim 1, characterized in that: Both ends of the sealing strip are provided with first clamping grooves, and the sealing ring is clamped and matched with the first clamping grooves.

3. The sectional duct assembly for a fresh air system of an air conditioner according to claim 2, characterized in that: Both sides of the sealing ring are provided with second clamping grooves, the sealing strip is clamped and matched with the second clamping grooves, and part of the first clamping grooves is located in the second clamping grooves.

4. The sectional duct assembly for a fresh air system of an air conditioner according to claim 1, wherein: The end portions of the partition plate are provided with first positioning grooves, and the sealing strip is positioned and matched with the first positioning grooves of the partition plates of adjacent pipeline bodies at the same time.

5. The sectional duct assembly for an air conditioning fresh air system of claim 4, wherein: The connecting parts are provided with second positioning grooves, the second positioning grooves communicate with the first positioning grooves, the sealing ring is positioned and matched with the second positioning grooves of the connecting parts of adjacent pipeline bodies at the same time, and part of the sealing strip extends into the second positioning grooves.

6. The sectional duct assembly for an air conditioning fresh air system of claim 4, wherein: The thickness of both ends of the partition plate is greater than the thickness of the middle portion of the partition plate.

7. The sectional duct assembly for an air conditioning fresh air system of any one of claims 1 to 6, wherein: The locking structure comprises a plurality of first threaded locking pieces and two reinforcing locking assemblies, the first threaded locking pieces are arranged around the wind channel, and the first threaded locking pieces are respectively detachably connected with the connecting parts of adjacent pipeline bodies; the reinforcing locking assemblies are respectively arranged on both sides of the wind channel, the reinforcing locking assembly comprises two T-shaped mounting plates, a second threaded locking piece and two third threaded locking pieces, the two T-shaped mounting plates clampingly hold the connecting parts of adjacent pipeline bodies, the second threaded locking piece penetrates through the two T-shaped mounting plates and the adjacent pipeline bodies, and the second threaded locking piece is located on the side of the sealing ring away from the wind channel, the third threaded locking piece penetrates through the two T-shaped mounting plates and the adjacent pipeline bodies, the third threaded locking piece is located on the side of the sealing ring away from the wind channel, and the two third threaded locking pieces are respectively connected with both sides of the sealing strip.

8. The sectional duct assembly for an air conditioning fresh air system of any one of claims 1 to 6, wherein: A partition plate in one of the pipeline bodies is provided with an air return port, a control valve and a filtering assembly, the air return port respectively communicates with the fresh air channel and the exhaust air channel, the control valve is arranged at the air return port and is used for opening and closing the air return port, and the filtering assembly is arranged at the air return port.

9. The sectional duct assembly for a fresh air system of an air conditioner according to claim 8, wherein: The control valve comprises a plurality of louvers and a power assembly, the plurality of louvers are arranged side by side in the return air inlet and are rotationally connected with the pipeline body through a rotating shaft, and the power assembly is drivingly connected with the rotating shaft, and the power assembly rotates the rotating shaft to open or close the return air inlet.

10. The sectional duct assembly for an air conditioning fresh air system of claim 9, wherein: The power assembly comprises an electric cylinder and a movable plate, the electric cylinder is arranged in the pipeline body and is drivingly connected with the movable plate, a plurality of guide sliding grooves are arranged on the movable plate, the rotating shaft is slidingly connected with the guide sliding grooves through a rotating connector, and the electric cylinder drives the movable plate to translate so that the rotating connector slides along the guide sliding grooves, and the rotating shaft rotates.