Fresh air pipe and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, and discloses a fresh air pipe and an air conditioner. The fresh air pipe comprises a fresh air pipe body and an air valve, the air valve is arranged on the fresh air pipe body, a valve cavity, a fresh air inlet, an indoor air inlet and an air outlet are formed in the fresh air pipe body, the fresh air inlet, the indoor air inlet and the air outlet all communicate with the valve cavity, and the air valve is partially arranged in the valve cavity. And the air outlet can be switched to communicate with the fresh air inlet and the indoor air inlet. According to the fresh air pipe, the air valve is arranged on the pipe body of the fresh air pipe, and in the internal circulation mode, the indoor air inlet and the air outlet are communicated through the air valve, so that internal circulation air can be input into an air conditioner internal unit through the fresh air pipe, and fresh air and the internal circulation air can share one set of filtering device; the problem that a fresh air conditioner needs to be provided with a filtering device for an internal circulation mode and a fresh air mode correspondingly, and consequently the cost of the air conditioner is increased is solved.

Description

Technical Field

[0001] The present application belongs to the technical field of air conditioners, and in particular to a fresh air duct and an air conditioner. Background Art

[0002] Ordinary air conditioners cannot keep indoor air fresh. Fresh air air conditioners are healthy and comfortable air conditioners with fresh air function. They use centrifugal fans to achieve circulation and ventilation between room air and outdoor air.

[0003] In the related art, when a fresh air air conditioner is in fresh air mode, it needs to obtain outdoor fresh air through the fresh air duct. When it is in internal circulation mode, the indoor air needs to be sucked in by the air conditioner indoor unit. The internal circulation mode and the fresh air mode each require a set of filtering devices to filter the air, which increases the cost of the air conditioner.

[0004] Therefore, there is a need to improve the existing technology.

[0005] The above information is presented as background information only to assist with an understanding of the present disclosure and is not a determination or admission that any of the above may be applicable as prior art with respect to the present disclosure. Utility Model Content

[0006] The embodiments of the present application provide a fresh air duct and an air conditioner to solve the problem that the fresh air air conditioner needs to be equipped with a set of filtering devices for the internal circulation mode and the fresh air mode respectively, which leads to increased air conditioning costs.

[0007] In the first aspect, an embodiment of the present application provides a fresh air duct, comprising a fresh air duct body and an air valve, wherein the air valve is arranged on the fresh air duct body, and a valve cavity, a fresh air inlet, an indoor air inlet and an air outlet are formed on the fresh air duct body, and the fresh air inlet, the indoor air inlet and the air outlet are all connected to the valve cavity, and the air valve is partially arranged in the valve cavity, for enabling the air outlet to switch and connect with the fresh air inlet and the indoor air inlet.

[0008] In one possible embodiment, the air valve includes a valve core and a driving mechanism, the valve core is used to block the fresh air inlet or the indoor air inlet, and the driving mechanism is used to drive the valve core to move between a first position and a second position. When the valve core is in the first position, the air outlet is connected to the fresh air inlet and is separated from the indoor air inlet, and when the valve core is in the second position, the air outlet is connected to the indoor air inlet and is separated from the fresh air inlet.

[0009] In one possible embodiment, the valve core includes a blocking plate, a blocking block, and a rotating shaft, wherein the blocking block is disposed on one side of the blocking plate, the blocking plate is disposed in the valve cavity, the blocking plate is rotatably connected to the rotating shaft, the rotating shaft is rotatably connected to the fresh air duct body, and the blocking plate can rotate to a first position or a second position along with the rotating shaft;

[0010] When the blocking plate is in the first position, the blocking plate is sealed to the inner wall of the valve cavity to block it between the air outlet and the fresh air inlet. When the blocking plate is in the second position, the blocking block blocks the indoor air inlet.

[0011] In a possible embodiment, a sealing plate is fixedly connected to the inner wall of the valve cavity. When the sealing plate is in the first position, the sealing plate and the sealing plate are sealed and connected with an interference fit and are blocked between the air outlet and the fresh air inlet.

[0012] In a possible implementation, avoidance curved surfaces are provided on both sides of the blocking plate in the rotation direction of the rotation shaft.

[0013] In a possible implementation manner, the valve core further includes a sealing sleeve and a sealing ring, the sealing sleeve is sleeved on the sealing plate, and the sealing ring is sleeved on the sealing block.

[0014] In a possible implementation, the driving mechanism includes a servo motor, and an output shaft of the servo motor is fixedly connected to the rotating shaft.

[0015] In a possible implementation, the driving mechanism further includes a fixed bracket, the fixed bracket is fixedly connected to the fresh air duct body, and the servo motor is fixedly connected to the fixed bracket.

[0016] In a possible implementation, the fresh air duct further includes a transfer tube, the transfer tube is fixedly connected to the fresh air duct body, and the transfer tube is communicated with the fresh air inlet.

[0017] In a second aspect, an embodiment of the present application further provides an air conditioner, comprising a fresh air duct as described in any one of the above items.

[0018] Compared with the prior art, this application has the following beneficial effects:

[0019] The fresh air duct provided in the embodiment of the present application is provided with an air valve on the fresh air duct body. In the fresh air mode, the air valve connects the fresh air inlet and the air outlet, so that the fresh air can be input into the air conditioner indoor unit through the fresh air duct body. In the internal circulation mode, the air valve connects the indoor air inlet and the air outlet, so that the internal circulation air can be input into the air conditioner indoor unit through the fresh air duct body, so that the fresh air and the internal circulation air can share a set of filtering devices, thereby solving the problem that the fresh air air conditioner needs to set up a set of filtering devices for the internal circulation mode and the fresh air mode respectively, which leads to increased air conditioning costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0021] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0022] Figure 1 A schematic diagram of the structure of the air valve provided in an embodiment of the present application.

[0023] Figure 2 Another structural schematic diagram of the air valve provided in an embodiment of the present application.

[0024] Figure 3 This is a schematic diagram of the assembly structure of the air valve after the transfer tube is hidden provided in an embodiment of the present application.

[0025] Figure 4 A schematic structural diagram of the air conditioner provided in an embodiment of the present application.

[0026] Figure 5 Schematic diagram of the exploded structure of the fresh air module provided in the embodiment of the present application

[0027] In the figure: 1. Fresh air duct body; 11. Air outlet; 12. Fresh air inlet; 13. Indoor air inlet; 14. Valve chamber; 15. Sealing plate; 2. Air valve; 21. Valve core; 211. Sealing plate; 2111. Avoidance surface; 212. Sealing block; 214. Rotating shaft; 22. Driving mechanism; 221. Servo motor; 222. Fixed bracket; 3. Transfer pipe; 4. Air conditioner; 5. Fresh air module; 51. Volute; 52. Fan; 53. Filter rack; 54. Sound-absorbing cotton; 55. Silencer; 56. Casing; 7. Fresh air duct. DETAILED DESCRIPTION

[0028] In order to explain in detail the possible application scenarios, technical principles, specific solutions that can be implemented, and the purpose and effects of this application, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application and are therefore only examples and are not intended to limit the scope of protection of this application.

[0029] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more features.

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application.

[0031] The embodiments of the present application provide a fresh air duct and an air conditioner to solve the problem that fresh air air conditioners require a set of filtering devices for both internal circulation mode and fresh air mode, which leads to increased air conditioning costs. The embodiments will be described below with reference to the accompanying drawings.

[0032] See also Figure 1 and Figure 2 The embodiment of the present application provides a fresh air duct 7, including a fresh air duct body 1 and an air valve 2, the air valve 2 is arranged on the fresh air duct body 1, and a valve cavity 14, a fresh air inlet 12, an indoor air inlet 13 and an air outlet 11 are formed on the fresh air duct body 1, the fresh air inlet 12, the indoor air inlet 13 and the air outlet 11 are all connected with the valve cavity 14, and the air valve 2 is partially arranged in the valve cavity 14, for enabling the air outlet 11 to switch and connect with the fresh air inlet 12 and the indoor air inlet 13.

[0033] By setting an air valve 2 on the fresh air duct body 1, in the fresh air mode, the air valve 2 connects the fresh air inlet 12 with the air outlet 11, so that the fresh air can be input into the air conditioner indoor unit through the fresh air duct body 1. In the internal circulation mode, the air valve 2 connects the indoor air inlet 13 with the air outlet 11, so that the internal circulation air can be input into the air conditioner indoor unit through the fresh air duct body 1, so that the fresh air and the internal circulation air can share a set of filtering devices, which solves the problem that the fresh air air conditioner needs to set up a set of filtering devices for the internal circulation mode and the fresh air mode respectively, which leads to increased air conditioning costs.

[0034] See also Figure 2 and Figure 3 In this embodiment, the fresh air duct body 1 is arranged in a circular tube shape, one end of the circular tube serves as the air outlet 11 of the fresh air duct body 1, and the other end serves as the fresh air inlet 12 of the fresh air duct body 1, and the indoor air inlet 13 is opened on the side wall of the circular tube.

[0035] See also Figure 1 and Figure 3 The air valve 2 includes a valve core 21 and a driving mechanism 22. The valve core 21 is used to block the fresh air inlet 12 or the indoor air inlet 13. The driving mechanism 22 is used to drive the valve core 21 to move between a first position and a second position. When the valve core 21 is in the first position, the air outlet 11 is connected to the fresh air inlet 12 and is blocked from the indoor air inlet 13. When the valve core 21 is in the second position, the air outlet 11 is connected to the indoor air inlet 13 and is blocked from the fresh air inlet 12.

[0036] See also Figure 2 and Figure 3 The valve core 21 includes a blocking plate 211, a blocking block 212, and a rotating shaft 214. The rotating shaft 214 passes through the blocking plate 211 and the fresh air duct body 1. The rotating shaft 214 is fixedly connected to the blocking plate 211 and is rotatably connected to the fresh air duct body 1 via a bearing. A sealing plate 15 is fixedly connected to the wall of the valve cavity 14. In this embodiment, the blocking plate 211 is arranged in an oblong shape, and the number of sealing plates 15 is set to two. Both sealing plates 15 are arranged in an arched shape, and the arcuate surfaces of the arched plates are fixedly connected to the wall of the valve cavity 14. The blocking plate 211 can rotate with the rotating shaft 214 to a first position or a second position. When the blocking plate 211 is in the first position, the blocking plate 211 and the two sealing plates 15 can block the fresh air inlet 12. When the blocking plate 211 is in the second position, the blocking block 212 can block the indoor air inlet 13.

[0037] See also Figure 1 and Figure 3 The rotating shaft 214 passes through the sealing plate 211 along its width, and both ends of the sealing plate 211 in its lengthwise direction are provided with avoidance curved surfaces 2111, so that the sealing plate 211 can rotate along with the rotating shaft 214. In addition, to enhance the sealing performance between the sealing plate 211 and the blocking block 212, a sealing sleeve (not shown) is provided around the edges of the sealing plate 211, and a sealing ring (not shown) is provided on the upper portion of the blocking block 212. Both the sealing sleeve and the sealing ring are made of elastic material.

[0038] See also Figure 1 and Figure 3 The driving mechanism 22 includes a servo motor 221 and a fixed bracket 222. The fixed bracket 222 is fixedly connected to the fresh air duct body 1. The servo motor 221 is fixedly connected to the fixed bracket 222. The output shaft of the servo motor 221 is coaxially fixedly connected to the rotating shaft 214, so that the output shaft of the servo motor 221 can drive the rotation of the rotating shaft 214, thereby driving the blocking plate 211 to move to the first position or the second position.

[0039] See also Figure 1 and Figure 3 In addition, the fresh air duct 7 also includes a transfer tube 3, one end of the transfer tube 3 is fixedly connected to one end of the fresh air inlet 12 of the fresh air duct body 1, thereby facilitating the connection of the fresh air duct body 1 with fresh air duct bodies of different calibers.

[0040] See also Figure 4 and Figure 5 This embodiment also provides an air conditioner, including the above-mentioned fresh air duct 7 and fresh air module 5, the fresh air module 5 includes a volute 51, a fan 52, a filter frame 53, sound-absorbing cotton 54, a silencer 55 and a casing 56 connected in sequence, and the casing 56 is provided with an air inlet, the fresh air duct 7 is connected to the air inlet and the air conditioner outdoor unit through a pipeline, and the fresh air duct 7 is arranged indoors, so that the air conditioner can enter the fresh air mode by connecting the air outlet 11 and the fresh air inlet 12, and can enter the internal circulation mode by connecting the air outlet 11 and the indoor air inlet 13. In addition, no matter whether the air conditioner is in the fresh air mode or the internal circulation mode, the air entering the fresh air module 5 will be filtered by the fresh air module 5, thereby improving the air quality of the air outlet of the air conditioner.

[0041] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0042] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concepts of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. A new air duct, characterized in that: The invention comprises a fresh air duct body (1) and an air valve (2), wherein the air valve (2) is arranged on the fresh air duct body (1), and a valve cavity (14), a fresh air inlet (12), an indoor air inlet (13) and an air outlet (11) are formed on the fresh air duct body (1), wherein the fresh air inlet (12), the indoor air inlet (13) and the air outlet (11) are all connected to the valve cavity (14), and the air valve (2) is partially arranged in the valve cavity (14) for enabling the air outlet (11) to switch and connect to the fresh air inlet (12) and the indoor air inlet (13).

2. The fresh air duct according to claim 1, characterized in that: The air valve (2) comprises a valve core (21) and a driving mechanism (22), wherein the valve core (21) is used to block the fresh air inlet (12) or the indoor air inlet (13), and the driving mechanism (22) is used to drive the valve core (21) to move between a first position and a second position. When the valve core (21) is located at the first position, the air outlet (11) and the fresh air inlet (12) are connected, and the air outlet (11) and the indoor air inlet (13) are disconnected. When the valve core (21) is located at the second position, the air outlet (11) and the indoor air inlet (13) are connected, and the air outlet (11) and the fresh air inlet (12) are disconnected.

3. The fresh air duct according to claim 2, characterized in that: The valve core (21) comprises a blocking plate (211), a blocking block (212) and a rotating shaft (214); the blocking block (212) is arranged on one side of the blocking plate (211); the blocking plate (211) is arranged in the valve cavity (14); the blocking plate (211) is rotatably connected to the rotating shaft (214); the rotating shaft (214) is rotatably connected to the fresh air duct body (1); and the blocking plate (211) can rotate to a first position or a second position along with the rotating shaft (214); When the blocking plate (211) is located in the first position, the blocking plate (211) is sealed to the inner wall of the valve cavity so as to be positioned between the air outlet (11) and the fresh air inlet (12); when the blocking plate (211) is located in the second position, the blocking block (212) blocks the indoor air inlet (13).

4. The fresh air duct according to claim 3, characterized in that: A sealing plate (15) is fixedly connected to the inner wall of the valve cavity (14); when the sealing plate (211) is located in the first position, the sealing plate (211) and the sealing plate (15) are sealed and blocked between the air outlet (11) and the fresh air inlet (12).

5. The fresh air duct according to claim 3, characterized in that: The blocking plate (211) is provided with avoidance curved surfaces (2111) on both sides in the rotation direction of the rotation shaft (214).

6. The fresh air duct according to claim 3, characterized in that: The valve core (21) further comprises a sealing sleeve and a sealing ring, wherein the sealing sleeve is sleeved on the blocking plate (211), and the sealing ring is sleeved on the blocking block (212).

7. The fresh air duct according to claim 3, characterized in that: The driving mechanism (22) includes a servo motor (221), and the output shaft of the servo motor (221) is fixedly connected to the rotating shaft (214).

8. The fresh air duct according to claim 7, characterized in that: The driving mechanism (22) further comprises a fixed bracket (222), the fixed bracket (222) being fixedly connected to the fresh air duct body (1), and the servo motor (221) being fixedly connected to the fixed bracket (222).

9. The fresh air duct according to claim 1, characterized in that: The fresh air duct (7) further comprises a transfer tube (3), wherein the transfer tube (3) is fixedly connected to the fresh air duct body (1), and the transfer tube (3) is in communication with the fresh air inlet (12).

10. An air conditioner, characterized in that: The air conditioner (4) comprises the fresh air duct (7) according to any one of claims 1 to 9.

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