Fresh air filter connector, fresh air duct and fresh air air conditioner

Abstract

The present invention relates to the field of air conditioning manufacturing, and specifically provides a fresh air filter joint, a fresh air duct and a fresh air air conditioner. In order to solve the problem of airflow backflow when the fresh air air conditioner is not in use, the present invention provides a fresh air filter joint, which includes a fresh air filter cover and an arc-shaped holeless inner protective cover that can be rotatably attached to the inner wall of the fresh air filter cover, and an air inlet hole is arranged on the lower side of the fresh air filter cover; gear teeth are arranged on the inner wall of the holeless inner protective cover, and a driving component is correspondingly fixedly arranged on the inner wall of the fresh air filter cover, the driving component is connected to the gear teeth, and is arranged to be able to drive the holeless inner protective cover to rotate around its axis through the gear teeth, thereby covering the air inlet hole or opening the air inlet hole. When it needs to be opened, the arc-shaped holeless inner protective cover is rotated to open, and when it needs to be closed, the arc-shaped holeless inner protective cover blocks the air inlet hole. In this way, the present invention can solve the problem of airflow backflow when the fresh air air conditioner is not in use.

Description

Technical Field

[0001] The invention relates to the field of air conditioner manufacturing, and specifically provides a fresh air filter joint, a fresh air duct and a fresh air air conditioner. Background Art

[0002] With the rapid development of the economy, people's living standards are getting higher and higher, and the requirements for indoor temperature and humidity are getting higher and higher. At present, air conditioners have become an indispensable household appliance in people's lives. As people's requirements for the quality of life gradually increase, people generally begin to have higher requirements for the quality of indoor air. Therefore, fresh air air conditioners have entered people's daily lives. The indoor unit of the fresh air air conditioner has the function of exchanging fresh air with the outside. The original closed space is injected with an appropriate amount of comfortable fresh air, so that the indoor air quality can reach the carbon-oxygen balance again, and it will not be like opening a window. A large amount of outdoor air with a temperature difference is poured in at once, resulting in an imbalance in the temperature of the indoor air conditioning, causing a large energy loss. Because the fresh air air conditioner adds a fresh air duct indoors, when the air conditioner is turned off and the fresh air function is not used, the strong wind outside will produce the sound of airflow backflow in the duct. The irregular wind whistling sound brings a bad experience to users and also affects people's mental state.

[0003] Accordingly, the art needs a new fresh air filter connector, a fresh air duct and a fresh air air conditioner to solve the problem of air flow backflow when the existing fresh air air conditioner is not in use. Summary of the invention

[0004] The present invention aims to provide a fresh air filter joint, a fresh air duct and a fresh air air conditioner to solve the problem of air flow backflow when the existing fresh air air conditioner is not in use.

[0005] In a first aspect, the present invention provides a fresh air filter connector, characterized in that the fresh air filter connector comprises a fresh air filter cover and an arc-shaped hole-free inner protective cover rotatably arranged on the inner wall of the fresh air filter cover, and an air inlet hole is arranged on the lower side of the fresh air filter cover;

[0006] Gear teeth are arranged on the inner wall of the hole-free inner protective cover, and correspondingly a driving assembly is fixedly arranged on the inner wall of the fresh air filter cover. The driving assembly is connected to the gear teeth and is arranged to drive the hole-free inner protective cover to rotate around its axis through the gear teeth, thereby covering the air inlet hole or opening the air inlet hole.

[0007] In the preferred technical solution of the above-mentioned fresh air filter connector, the driving assembly includes a motor, a motor bracket and a driving gear. The motor bracket is fixed on the inner wall of the fresh air filter cover, the motor is fixed on the motor bracket, the output end of the motor is connected to the driving gear, and the driving gear is meshed with the gear teeth.

[0008] In the preferred technical solution of the above-mentioned fresh air filter connector, the edge of the non-porous inner shield is also wrapped with a sealing gasket.

[0009] In the preferred technical solution of the above-mentioned fresh air filter connector, a plurality of strip-shaped grooves are further provided on the outer wall of the non-porous inner protective cover close to the fresh air filter cover.

[0010] In the preferred technical solution of the above-mentioned fresh air filter connector, flannel cloth is also provided on the outer wall of the non-porous inner protective cover close to the fresh air filter cover.

[0011] In the preferred technical solution of the above-mentioned fresh air filter connector, a scraper strip is also provided at the edge of the air inlet hole.

[0012] In the preferred technical solution of the above-mentioned fresh air filter joint, a scraper tip is also provided at the edge of the air inlet hole.

[0013] In the preferred technical solution of the above-mentioned fresh air filter connector, the material of the non-porous inner shield is polyethylene, polypropylene or metal.

[0014] The present invention also provides a fresh air duct, on which a fresh air filter connector according to any one of the above technical solutions is provided.

[0015] The present invention also provides a fresh air air conditioner, on which a fresh air filter connector according to any one of the above technical solutions is provided.

[0016] Those skilled in the art can understand that the fresh air filter connector in the technical solution of the present invention includes a fresh air filter cover and an arc-shaped hole-free inner shield rotatably arranged on the inner wall of the fresh air filter cover, and an air inlet hole is arranged on the lower side of the fresh air filter cover;

[0017] Gear teeth are arranged on the inner wall of the hole-free inner protective cover, and correspondingly a driving assembly is fixedly arranged on the inner wall of the fresh air filter cover. The driving assembly is connected to the gear teeth and is arranged to drive the hole-free inner protective cover to rotate around its axis through the gear teeth, thereby covering the air inlet hole or opening the air inlet hole.

[0018] When adopting the above-mentioned technical scheme, the present invention achieves the purpose of covering the air inlet hole arranged on the lower side of the fresh air filter cover when the fresh air air conditioner is not in use by providing an arc-shaped hole-free inner protective cover that can rotate in accordance with the inner wall of the fresh air filter cover. Specifically, gear teeth are provided on the inner wall of the hole-free inner protective cover, and correspondingly, a driving assembly is provided on the inner wall of the fresh air filter cover. The driving assembly can be meshed and connected with the gear teeth. The driving assembly drives the hole-free inner protective cover to rotate around its axis by driving the gear teeth, thereby covering the air inlet hole or opening the air inlet hole when needed. The above-mentioned technical scheme can solve the problem of air flow backflow when the existing fresh air air conditioner is not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The preferred implementation of the fresh air filter connector of the present invention is described below in conjunction with the accompanying drawings, in which:

[0020] Figure 1 It is a schematic diagram of the appearance of a first embodiment of a fresh air filter connector of the present invention;

[0021] Figure 2 yes Figure 1 The cross-sectional view at AA when the fresh air channel is closed by the non-porous inner shield;

[0022] Figure 3 It is a schematic diagram of the air inlet hole in the bottom view of the fresh air filter cover of the fresh air filter connector of the present invention.

[0023] Figure 4 It is a schematic diagram of the scraper strip and the scraper tip in the front view of the fresh air filter cover of the fresh air filter connector of the present invention.

[0024] List of reference numerals:

[0025] 1-Fresh air filter connector;

[0026] 11-Fresh air filter cover; 12-Non-hole inner cover;

[0027] 111-air inlet hole; 112-driving assembly; 121-gear teeth; 122-sealing gasket; 123-strip groove; 124-flannel; 1111-scraping strip; 1112-scraping tip; 1121-motor; 1122-motor bracket. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make adjustments as needed to adapt to specific applications. For example, although the description is based on a circulating fan, the present invention can obviously adopt various other circulating fans as long as the circulating fan has the effect of accelerating the air flow.

[0029] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Reference Figures 1 to 4 , a specific implementation of the fresh air filter connector (1) of the present invention is described.

[0032] First embodiment:

[0033] like Figures 1 to 4 As shown, in order to solve the problem of airflow backflow when the existing fresh air air conditioner is not in use, the present invention provides a fresh air filter connector (1), such as Figure 1 As shown, the whole is in the shape of a hollow column. Figure 2 , 3 As shown, the fresh air filter connector (1) comprises a fresh air filter cover (11) in the form of a hollow cylindrical thin shell, and an arc-shaped hole-free inner protective cover (12) rotatably arranged on the inner wall of the fresh air filter cover (11), and an air inlet hole (111) is arranged on the lower side of the fresh air filter cover (11);

[0034] Gear teeth (121) are arranged on the inner wall of the imperforate inner protective cover (12), and a driving assembly (112) is correspondingly fixedly arranged on the inner wall of the fresh air filter cover (11). The driving assembly (112) is connected to the gear teeth (121) and is arranged to be able to drive the imperforate inner protective cover (12) to rotate around its axis through the gear teeth (121), thereby covering the air inlet hole (111) or opening the air inlet hole (111).

[0035] The advantage of the above-mentioned arrangement is that: when the above-mentioned technical solution is adopted, the present invention achieves the purpose of covering the air inlet (111) arranged on the lower side of the fresh air filter cover (11) when the fresh air air conditioner is not in use by setting an arc-shaped hole-free inner protective cover (12) that can rotate in accordance with the inner wall of the fresh air filter cover (11). Specifically, gear teeth (121) are arranged on the inner wall of the hole-free inner protective cover (12), and correspondingly, a driving component (112) is arranged on the inner wall of the fresh air filter cover (11). The driving component (112) can be meshed and connected with the gear teeth (121). The driving component (112) drives the hole-free inner protective cover (12) to rotate around its axis by driving the gear teeth (121), thereby covering the air inlet (111) or opening the air inlet (111) when necessary. The above-mentioned technical solution can solve the problem of air flow backflow when the existing fresh air air conditioner is not in use.

[0036] See below for further reference Figure 1 , the drive assembly (112) of the fresh air filter connector (1) is described in detail.

[0037] like Figure 1 As shown, in a possible embodiment, the driving assembly (112) includes a motor (1121), a motor bracket (1122) and a driving gear (not shown in the figure), the motor bracket (1122) is fixedly arranged on the inner wall of the fresh air filter cover (11), the motor (1121) is fixedly arranged on the motor bracket (1122), the output end of the motor (1121) is connected to the driving gear, and the driving gear is meshed with the gear teeth (121).

[0038] like Figure 1 As shown, in a possible implementation, the edge of the imperforate inner shield (12) is also wrapped with a sealing gasket (122).

[0039] The advantage of the above-mentioned arrangement is that, under normal circumstances, in order to reduce wear and reduce the energy consumption of the drive device, the imperforate inner shield (12) and the fresh air filter cover (11) are not extremely tightly interference-fitted. In this case, by wrapping the sealing gasket (122) around the edge of the imperforate inner shield (12), the sealing performance of the fresh air filter connector (1) of the present invention can be ensured. When the fresh air filter connector (1) needs to close the fresh air channel to prevent outdoor air from entering the room, wrapping the sealing gasket (122) around the edge of the imperforate inner shield (12) can help to better achieve this function.

[0040] like Figure 1 As shown, in a possible real-time method, a plurality of strip-shaped grooves (123) are also provided on the outer wall of the non-porous inner protective cover (12) close to the fresh air filter cover (11).

[0041] The advantage of the above-mentioned arrangement is that since the fresh air filter joint (1) is in direct contact with the outdoor natural wind, it is inevitable that sand and wind will enter. If the outdoor sand enters the fresh air duct and is not dealt with for a long time, it will directly affect the opening and closing of the fresh air duct, resulting in the failure of the function of the fresh air air conditioner. By arranging a plurality of strip-shaped grooves (123) on the outer wall of the non-porous inner protective cover (12) close to the fresh air filter cover (11), when the non-porous inner protective cover (12) rotates to open and close the fresh air channel, the mixed sand and wind will roll along the outer wall of the non-porous inner protective cover (12) until the sand and wind fall into the strip-shaped grooves (123) and are stored, and fall out of the fresh air channel from the air inlet when the non-porous inner protective cover (12) is opened and closed next time, thereby achieving the purpose of cleaning the sand and wind in the fresh air duct. In addition, the inner wall of the non-porous inner protective cover (12) and the fresh air filter cover (11) are subjected to frictional sliding, which means that once gravel enters the frictional sliding of the two planes, serious wear will occur and the fitting state of the two planes will be pried apart, which is equivalent to the presence of ridges caused by gravel between the two planes, causing the two planes to no longer fit tightly and air leakage to occur. The design of the strip-shaped groove (123) of the present invention changes the frictional sliding between the non-porous inner protective cover (12) and the inner wall of the fresh air filter cover (11) from the previous surface sliding to the line sliding of the raised tip of the strip-shaped groove (123) on the inner wall of the fresh air filter cover (11), that is, the surface-to-surface sliding is changed to line-to-surface sliding. This reduces the sliding resistance on the one hand and can also store the gravel in the strip-shaped groove (123) on the other hand, so that it can be directly discharged during the next rotation.

[0042] like Figure 1 As shown, a flannel cloth (124) is also provided on the outer wall of the non-porous inner protective cover (12) close to the fresh air filter cover (11).

[0043] The advantage of the above-mentioned arrangement is that since the air inlet of the fresh air duct is exposed to the outdoors, it will inevitably be contaminated by outdoor wind and sand. When wind and sand enter the fresh air duct, not only will the hole-free inner protective cover (12) generate noise and wear during the opening and closing process, but more seriously, the accumulation of wind and sand may even cause the fresh air filter interface to fail, thereby affecting the function of the entire fresh air air conditioner. The fresh air filter connector (1) of the present invention arranges flannel (124) on the outer wall of the hole-free inner protective cover (12) close to the fresh air filter cover (11), so that the wind and sand entering the fresh air duct are cleaned during each opening and closing of the air inlet, thereby solving the above-mentioned problem of outdoor wind and sand accumulating in the fresh air duct.

[0044] like Figure 3 As shown, in a possible real-time manner, a scraper strip (1111) is further provided at the edge of the air inlet hole (111).

[0045] The advantages of the above-mentioned arrangement are: as mentioned above, by arranging a flannel (124) on the outer wall of the non-porous inner protective cover (12) close to the fresh air filter cover (11), the problem of outdoor sand accumulating in the fresh air duct is solved. However, if the flannel (124) is not replaced after wiping the sand for a long time, the flannel (124) itself will be covered with sand and will not play its due role. Therefore, the present invention further arranges a scraping strip (1111) at the edge of the air inlet (111). After the flannel (124) wipes the outdoor sand each time, when the flannel (124) passes through the scraping strip (1111), the scraping strip (1111) will scrape off the sand stained on the flannel (124), thereby achieving the purpose of cleaning the flannel (124). This structure is convenient and effective, not only can the function of cleaning the flannel (124) be achieved, but also the cost problem caused by replacing the flannel (124) is avoided.

[0046] like Figure 3 As shown, in a possible real-time manner, a scraper tip (1112) is also provided at the edge of the air inlet hole (111).

[0047] The advantages of the above-mentioned arrangement are: as mentioned above, by arranging a flannel (124) on the outer wall of the non-porous inner protective cover (12) close to the fresh air filter cover (11), the problem of outdoor sand accumulating in the fresh air duct is solved. However, if the flannel (124) is not replaced after wiping the sand for a long time, the flannel (124) itself will be covered with sand and will not play its due role. Therefore, the present invention further provides a scraper corner (1112) at the edge of the air inlet (111). After the flannel (124) wipes the outdoor sand each time, when the flannel (124) passes through the scraper corner (1112), the scraper corner (1112) will scrape off the sand stained on the flannel (124), thereby achieving the purpose of cleaning the flannel (124). This structure is convenient and effective, not only can the function of cleaning the flannel (124) be achieved, but also the cost problem caused by replacing the flannel (124) is avoided.

[0048] In a possible real-time manner, the material of the non-porous inner shield (12) is polyethylene, polypropylene or metal.

[0049] The advantages of the above arrangement are that materials such as polyethylene have stable chemical properties and excellent low-temperature resistance, and are suitable for use in harsh conditions such as outdoors. At the same time, because they are cheap and easy to obtain, the cost of replacing components due to daily wear and tear is further reduced.

[0050] In summary, in this embodiment, when the above technical solution is adopted, the present invention achieves the purpose of shielding the air inlet (111) arranged on the lower side of the fresh air filter cover (11) when the fresh air air conditioner is not in use by providing an arc-shaped hole-free inner protective cover (12) that can rotate in accordance with the inner wall of the fresh air filter cover (11). Specifically, gear teeth (121) are provided on the inner wall of the hole-free inner protective cover (12), and correspondingly, a driving component (112) is provided on the inner wall of the fresh air filter cover (11), and the driving component (112) can be meshed and connected with the gear teeth (121). The driving component (112) The imperforate inner protective cover (12) is driven to rotate around its axis by driving the gear (121), thereby covering the air inlet (111) or opening the air inlet (111) when necessary. At the same time, by wrapping the sealing gasket (122) around the edge of the imperforate inner protective cover (12), when the fresh air filter joint (1) needs to close the fresh air channel to prevent outdoor air from entering the room, the sealing performance of the fresh air filter joint (1) of the present invention can be ensured. Furthermore, by providing a strip groove (123) and a flannel (124) on the outer wall of the fresh air filter cover (11), The wind and sand entering the fresh air duct are cleaned. The inner wall of the non-porous inner protective cover (12) and the fresh air filter cover (11) are frictionally slidable. This means that once gravel enters the frictional sliding of the two planes, serious wear will occur and the fit between the two planes will be pried apart, which is equivalent to ridges caused by gravel between the two planes, causing the two planes to no longer fit tightly and air leakage to occur. The design of the strip-shaped groove (123) of the present invention improves the frictional sliding of the non-porous inner protective cover (12) and the inner wall of the fresh air filter cover (11) from the previous The surface sliding is changed to the line of the raised tip of the strip groove (123) sliding on the inner wall of the fresh air filter cover (11), that is, the surface-to-surface sliding is changed to line-to-surface sliding. On the one hand, the sliding resistance is reduced, and on the other hand, the sand and gravel can be stored in the strip groove (123) and directly discharged during the next rotation. At the same time, by arranging a scraper strip (1111) and a scraper tip (1112) around the air inlet hole (111), the flannel cloth (124) can be cleaned. The above technical solution can solve the problem of air flow backflow when the existing fresh air air conditioner is not in use.

[0051] It should be noted that the above-mentioned implementation mode is only used to illustrate the principle of the present invention and is not intended to limit the scope of protection of the present invention. Without departing from the principle of the present invention, those skilled in the art can adjust the above-mentioned structure so that the present invention can be applied to more specific application scenarios.

[0052] For example, the driving assembly (112) can be driven by a motor (1121) in cooperation with gears, or by a motor (1121) in cooperation with a belt, as well as all common devices that can achieve this function.

[0053] In addition, the present invention also provides a fresh air duct, characterized in that a fresh air filter connector (1) according to any one of the above technical solutions is provided on the fresh air duct.

[0054] In addition, the present invention also provides a fresh air air conditioner, characterized in that the fresh air air conditioner is provided with a fresh air filter connector (1) according to any one of the above technical solutions.

[0055] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A fresh air filter connector, characterized in that: The fresh air filter connector comprises a fresh air filter cover and an arc-shaped hole-free inner protective cover rotatably arranged on the inner wall of the fresh air filter cover, and an air inlet hole is arranged on the lower side of the fresh air filter cover; Gear teeth are arranged on the inner wall of the hole-free inner protective cover, and a driving component is correspondingly fixedly arranged on the inner wall of the fresh air filter cover. The driving component is connected to the gear teeth and is arranged to drive the hole-free inner protective cover to rotate around its axis through the gear teeth, thereby covering the air inlet hole or opening the air inlet hole. A plurality of strip-shaped grooves are also arranged on the outer wall of the hole-free inner protective cover close to the fresh air filter cover.

2. The fresh air filter connector according to claim 1, characterized in that: The driving assembly includes a motor, a motor bracket and a driving gear. The motor bracket is fixedly arranged on the inner wall of the fresh air filter cover. The motor is fixedly arranged on the motor bracket. The output end of the motor is connected to the driving gear, and the driving gear is meshed with the gear teeth.

3. The fresh air filter connector according to claim 1, characterized in that: The edge of the imperforate inner shield is also wrapped with a sealing gasket.

4. The fresh air filter connector according to claim 3, characterized in that: A flannel cloth is also provided on the outer wall of the non-porous inner protective cover close to the fresh air filter cover.

5. The fresh air filter connector according to claim 4, characterized in that: A scraper strip is also arranged at the edge of the air inlet hole.

6. The fresh air filter connector according to claim 4, characterized in that: A scraper tip is also provided at the edge of the air inlet.

7. The fresh air filter connector according to claim 1, characterized in that: The material of the non-porous inner protective cover is polyethylene, polypropylene or metal.

8. A new air duct, characterized in that: The fresh air duct is provided with a fresh air filter connector according to any one of claims 1 to 7.

9. A fresh air air conditioner, characterized in that: The fresh air air conditioner is provided with a fresh air filter connector according to any one of claims 1 to 7.

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