Wall - penetrating fresh air machine

Abstract

The application relates to the technical field of air conditioners, and discloses a through-wall fresh air machine. The through-wall fresh air machine comprises a wind cylinder, a first wind cover shell and a second wind cover shell. The first wind cover shell and the second wind cover shell are respectively detachably connected to a first air inlet and a second air inlet, and the first wind cover shell and the second wind cover shell are respectively provided with a first filter element and a second filter element. The through-wall fresh air machine is provided with the wind cover shells and the filter elements on the two sides of the wind cylinder, air passing through the through-wall fresh air machine can be filtered twice, the wind cover shells are detachably arranged on the wind cylinder, the filter elements can be conveniently replaced or cleaned, and the problem that indoor air quality and air supply volume are affected after the through-wall fresh air machine is used for a long time is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioners, for example to a wall-penetrating fresh air machine. BACKGROUND

[0002] With the improvement of people's living standards, fresh air machines have attracted widespread attention. Fresh air machine is an effective air purification equipment, which can make indoor air circulation, on the one hand, the indoor dirty air is discharged to the outdoor, on the other hand, the outdoor fresh air is input to the indoor, so that the room is fresh and clean air at all times.

[0003] In the related art, an air inlet and outlet structure of a fresh air machine is disclosed. Specifically disclosed is an air inlet and outlet structure of a fresh air machine, which comprises an air inlet and outlet structure body, the air inlet and outlet structure body comprises a fresh air machine air duct and an outlet, one end of the fresh air machine air duct is provided with an air exchange assembly, the air exchange assembly comprises a clamping sleeve and a guide sleeve, the other end of the fresh air machine air duct is provided with a filter assembly, the filter assembly comprises a tapered sleeve and a filter screen, the inner side of the fresh air machine air duct is provided with a heat exchange assembly, the heat exchange assembly comprises an inner cylinder and a connecting pipe, the inner side of the inner cylinder is provided with an air direction adjusting assembly, the air direction adjusting assembly comprises a motor and a gear, the outlet is provided with an automatic control assembly, the automatic control assembly comprises a sleeve and a press switch.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] In the related art, the indoor air quality and the air supply volume of the wall-penetrating fresh air machine are greatly reduced after long-term use.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0007] To have a basic understanding of some aspects of the disclosed embodiments, a brief overview is given below. The overview is not a general review, nor is it intended to determine key / important constituent elements or delineate the scope of protection of these embodiments, but as a prelude to the detailed description below.

[0008] The embodiments of the present disclosure provide a wall-penetrating fresh air machine, a first air cover shell and a second air cover shell are respectively detachably connected to a first air port and a second air port of an air duct, and the first air cover shell and the second air cover shell are respectively provided with a first filter element and a second filter element. The present application can filter the air passing through the wall-penetrating fresh air machine twice by adding air cover shells and filter elements on both sides of the air duct, and the detachable arrangement of the air cover shells and the air duct can facilitate the replacement or cleaning of the filter elements, thereby solving the problem of affecting the indoor air quality and the air supply volume of the wall-penetrating fresh air machine after long-term use.

[0009] In some embodiments, the wall-mounted fresh air machine comprises a wind cylinder, a first wind cover shell and a second wind cover shell. The wind cylinder comprises a first air port and a second air port, and an air duct connecting the first air port and the second air port; the first wind cover shell is detachably connected to the first air port, and the first wind cover shell is provided with a first filter element; the second wind cover shell is detachably connected to the second air port, and the second wind cover shell is provided with a second filter element.

[0010] In some optional embodiments, the wall-mounted fresh air machine further comprises a fan wheel located in the air duct; when the fan wheel rotates forward, the wall-mounted fresh air machine blows air forward, and the airflow is sequentially filtered for the first time by the first wind cover shell, passes through the air duct to the second wind cover shell for secondary filtering; when the fan wheel rotates reversely, the wall-mounted fresh air machine blows air reversely, and the airflow sequentially passes through the second wind cover shell and the first wind cover shell to blow out impurities on the first filter element and the second filter element for reverse cleaning.

[0011] In some optional embodiments, the forward rotation speed of the fan wheel is equal to or less than the reverse rotation speed of the fan wheel.

[0012] In some optional embodiments, the first wind cover shell and / or the second wind cover shell are connected to the wind cylinder by buckling.

[0013] In some optional embodiments, the first filter element and / or the second filter element comprise a filter screen.

[0014] In some optional embodiments, the wall-mounted fresh air machine further comprises a bracket and a motor. The bracket is fixed to the inner wall surface of the wind cylinder; the motor is fixed to the bracket, and the output shaft of the motor is drivingly connected to the fan wheel.

[0015] In some optional embodiments, the wall-mounted fresh air machine further comprises a safety device configured to control the motor and the fan to stop running when the first wind cover shell or the second wind cover shell is opened.

[0016] In some optional embodiments, the first wind cover shell and / or the second wind cover shell are circular truncated cone-shaped.

[0017] In some optional embodiments, the wall-mounted fresh air machine further comprises a connecting pipe for connecting the first wind cover shell and the wind cylinder, and the connecting pipe is a flexible pipe.

[0018] In some optional embodiments, the speed of the fan wheel when rotating forward includes 0.5n and n, and the speed of the fan wheel when rotating reversely includes 0.5n and 1.2n, where n is a positive number.

[0019] The wall-mounted fresh air machine provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The through-wall fresh air machine comprises a wind cylinder, a first wind cover shell and a second wind cover shell. The first wind cover shell and the second wind cover shell are respectively detachably connected to the first air port and the second air port, and the first wind cover shell and the second wind cover shell are respectively provided with a first filter element and a second filter element. The through-wall fresh air machine provided by the application can filter the air twice through the addition of the wind cover shell and the filter element on both sides of the wind cylinder, and the detachable connection of the wind cover shell and the wind cylinder can facilitate the replacement or cleaning of the filter element, thereby solving the problem of affecting the indoor air quality and the air supply amount of the through-wall fresh air machine after long-term use.

[0021] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0022] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute a limitation on the embodiments, elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute a proportional limitation, and wherein:

[0023] Figure 1 is a schematic diagram of the overall structure of the through-wall fresh air machine provided by the embodiment of the present disclosure;

[0024] Figure 2 is a schematic diagram of the partial cross-sectional structure of the through-wall fresh air machine provided by the embodiment of the present disclosure;

[0025] Figure 3 is a schematic diagram of the partial structure of the through-wall fresh air machine provided by the embodiment of the present disclosure;

[0026] Figure 4 is a schematic diagram of the explosion structure of the through-wall fresh air machine provided by the embodiment of the present disclosure;

[0027] Figure 5 is a schematic diagram of the partial explosion structure of the through-wall fresh air machine provided by the embodiment of the present disclosure;

[0028] Figure 6 is another schematic diagram of the partial cross-sectional structure of the through-wall fresh air machine provided by the embodiment of the present disclosure.

[0029] Reference signs:

[0030] 1: wind cylinder; 11: first air port; 12: second air port; 13: air duct; 14: guide hole;

[0031] 2: first wind cover shell; 21: first filter element;

[0032] 3: second wind cover shell; 31: second filter element;

[0033] 4: wind wheel;

[0034] 5: support; 51: cover plate; 52: support base; 53: leg;

[0035] 6: motor;

[0036] 7: ring. DETAILED DESCRIPTION

[0037] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0038] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0039] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. And, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0040] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0041] Unless otherwise specified, the term "a plurality of" means two or more.

[0042] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the preceding and following objects. For example, A / B means A or B.

[0043] The term "and / or" is a description of the association relationship between objects, which means that there can be three relationships. For example, A and / or B means that there are three relationships of A or B, or A and B.

[0044] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0045] The common wall -through machine structure and function is relatively simple, only to achieve the purpose of air supply, can not change the air quality of air supply, and with the wall -through machine use time growth, there will be dust accumulation in the shell, due to the inability to disassemble and clean, will affect the air quality and air supply.

[0046] In combination Figures 1-6 As shown in the drawings, the present disclosure provides a wall -through fresh air machine, the wall -through fresh air machine includes a wind pipe 1, a first wind cover shell 2 and a second wind cover shell 3. The first wind cover shell 2 and the second wind cover shell 3 are respectively detachably connected to the first air port 11 and the second air port 12, and the first wind cover shell 2 and the second wind cover shell 3 are respectively provided with a first filter 21 and a second filter 31.

[0047] The present application increases the first wind cover shell 2 and the second wind cover shell 3 on both sides of the wind pipe 1, and the first wind cover shell 2 and the second wind cover shell 3 are respectively provided with the first filter 21 and the second filter 31. In this way, the first wind cover shell 2 and the second wind cover shell 3 can be easily disassembled and installed. When the first wind cover shell 2 and / or the second wind cover shell 3 are disassembled, the inside of the wind pipe 1 can be cleaned manually, and the filters on the first wind cover shell 2 and the second wind cover shell 3 can also be disassembled and replaced. When the cleanliness of the first filter 21 and the second filter 31 is improved, the ability of the wall -through fresh air machine to clean the air can be improved, thereby solving the problem of affecting indoor air quality and air supply after long -term use of the wall -through fresh air machine.

[0048] In addition, compared with the conventional filter screen arranged at the air inlet, the present application adds the filter on the first wind cover shell 2 and the second wind cover shell 3, which can filter the air passing through the wall -through fresh air machine twice, and better improve the indoor air quality. It can be understood that the first filter 21 and the second filter 31 in the present application can be selected from HEPA plates with different filtering and purifying functions, or filter screens, which are not limited here.

[0049] Optionally, the through-wall fresh air machine further comprises a fan wheel 4 located in the air duct 13; wherein the fan wheel 4 rotates forward, the through-wall fresh air machine blows air forward, and the airflow is sequentially filtered for the first time by the first fan cover shell 2, passes through the air duct 13 to the second fan cover shell 3 for secondary filtering; the fan wheel 4 rotates reversely, the through-wall fresh air machine blows air reversely, and the airflow is sequentially filtered by the second fan cover shell 3 and the first fan cover shell 2, blows out the impurities on the first filter 21 and the second filter 31, and is reversely cleaned.

[0050] When the fan wheel 4 reversely rotates, the airflow can not only exhaust indoor turbid gas to the outdoor, but also blow down the impurities on the second filter 31 close to the indoor, and when the airflow reaches the first fan cover shell 2 through the air cylinder 1, the first filter 21 is filtered for the first time, and the impurities outside the first filter 21 are blown down, and the reverse cleaning is realized. Since the through-wall fresh air machine is provided with filter elements on both the air inlet and outlet sides, the dust inside the air cylinder 1 is greatly reduced, and the attachment of a large amount of dust on the air cylinder 1 and the fan wheel 4 is avoided.

[0051] Optionally, the forward rotation speed of the fan wheel 4 is equal to or less than the reverse rotation speed of the fan wheel 4.

[0052] The reverse rotation speed is higher than the forward rotation speed, so that the through-wall fresh air machine can obtain better cleaning effect.

[0053] Optionally, the first fan cover shell 2 and / or the second fan cover shell 3 are connected with the air cylinder 1 through buckles.

[0054] Specifically, the number of buckles between the first fan cover shell 2 and the air cylinder 1 and the number of buckles between the second fan cover shell 3 and the air cylinder 1 are both greater than or equal to 2. Preferably, the number of buckles between the first fan cover shell 2 and the air cylinder 1 and the number of buckles between the second fan cover shell 3 and the air cylinder 1 are both 4. Through the buckle connection mode, the first fan cover shell 2 and the second fan cover shell 3 are convenient to disassemble and install, when the first fan cover shell 2 and the second fan cover shell 3 are disassembled, the internal shell can be manually cleaned; the first filter 21 and the second filter 31 on the first fan cover shell 2 and the second fan cover shell 3 can also be disassembled and washed or replaced, when the cleaning degree of the first filter 21 and the second filter 31 is improved, the air cleaning ability of the filter screen can be improved.

[0055] Optionally, the first filter 21 and / or the second filter 31 comprise a filter screen.

[0056] The first filter 21 and the second filter 31 are both selected to use the filter screen, which can greatly reduce the dust inside the through-wall fresh air machine, and avoid the attachment of a large amount of dust on the air cylinder 1 and the fan wheel 4. The filter screen not only can ensure large air inlet and air outlet, but also has low cost, and is suitable for the needs of most users.

[0057] Optionally, the first filter 21 comprises a filter screen, and the second filter 31 comprises a HEPA plate with specific functions, including one or more of PM2.5 removal, odor removal, formaldehyde removal, pollutant removal, etc.

[0058] Optionally, the through-wall fresh air machine further comprises a bracket 5 and a motor 6. The bracket 5 is fixed to the inner wall surface of the air duct 1; the motor 6 is fixed to the bracket 5, and the output shaft of the motor 6 is drivingly connected with the fan wheel 4.

[0059] Specifically, the bracket 5 comprises a tripod bracket 5, which comprises a base and three legs 53, and the three legs 53 are respectively fixed to the inner wall surface of the inner cylinder, and the included angle between adjacent legs 53 is 120°. In this way, the airflow can pass through the gap between adjacent legs 53. The number of legs 53 is set to three, which not only can improve the support force of the motor 6 and the fan wheel 4, but also can reduce the wind resistance and wind noise compared with the bracket 5 with more legs 53. The motor 6 is fixed to the base of the tripod bracket 5. The output shaft of the motor 6 is drivingly connected with the fan wheel 4, and the motor 6 is started to make the fan wheel 4 rotate forward or reversely.

[0060] Optionally, the first air cover shell 2 is adjacent to the outdoor, and the second air cover shell 3 is adjacent to the indoor. The bracket 5 is located on the side close to the second air cover shell 3. In this way, when encountering windy and rainy weather, rainwater can be prevented from splashing onto the bracket 5 and the motor 6, thereby improving the safety of the through-wall fresh air machine.

[0061] Optionally, the through-wall fresh air machine further comprises a safety device configured to control the motor 6 and the fan to stop running when the first air cover shell 2 or the second air cover shell 3 is opened.

[0062] When the fan wheel 4 is working, the through-wall fresh air machine is provided with a protection device to provide a protection mechanism. The protection mechanism makes the fan wheel 4 stop working immediately when the first air cover shell 2 or the second air cover shell 3 is disassembled, so as to prevent the rotating fan blades from scratching the user.

[0063] Optionally, the first air cover shell 2 and / or the second air cover shell 3 are circular truncated cone-shaped.

[0064] Specifically, the circular truncated cone-shaped first air cover shell 2 facilitates the through-wall operation in the installation process and improves the hole alignment efficiency. The second air cover shell 3 is provided in the form of a circular truncated cone, so that the part of the second air cover shell 3 extending into the indoor environment is at a certain inclination angle, thereby avoiding dust accumulation on the outside of the second air cover shell 3.

[0065] In addition, the air duct 1 is provided in the form of a cylinder, which saves space compared with a square fan shell and is convenient for installation.

[0066] Optionally, the through-wall fresh air machine further comprises a ring sleeve 7, which is sleeved outside the air duct 1. The distance between the ring sleeve 7 and the second air cover shell 3 is less than the distance between the ring sleeve 7 and the first air cover shell 2.

[0067] The ring sleeve 7 comprises a sleeve plate and a reinforcing rib. The sleeve plate is annularly sleeved on the outer wall surface of the air duct 1, and the sleeve plate is provided with one or more through holes for being mounted on the indoor wall through cooperation with screws. In this way, after the through-wall fresh air ventilator passes through the wall, it can be fixed to the indoor wall through the ring sleeve 7, thereby improving the stability of the through-wall fresh air ventilator. The reinforcing rib can improve the strength of the sleeve plate and prevent the sleeve plate from deforming relative to the indoor wall, thereby improving the stability.

[0068] Optionally, the through-wall fresh air ventilator further comprises a connecting pipe for connecting the first air cover shell 2 and the air duct 1, and the connecting pipe is a flexible pipe.

[0069] Some users' indoor space adopts a suspended ceiling structure. By additionally arranging the connecting pipe, the through-wall fresh air ventilator can be installed in a case where the air inlet and the air outlet are not at the same horizontal position, thereby improving the application range of the through-wall fresh air ventilator and meeting the installation requirements of different users with different house structure.

[0070] Optionally, the speed of the wind wheel 4 when rotating forward includes 0.5n and n, and the speed when rotating reversely includes 0.5n and 1.2n, wherein n is a positive number.

[0071] Specifically, when the wind wheel 4 rotates forward, the through-wall fresh air ventilator performs forward air supply, and the rotating speed of the through-wall fresh air ventilator has two gears, including a middle gear and a low gear, the rotating speed of the middle gear is n, and the rotating speed of the low gear is 0.5n. When the wind wheel 4 rotates reversely, the through-wall fresh air ventilator performs reverse air supply, and the rotating speed of the through-wall fresh air ventilator has two gears, including a high gear and a middle gear, the rotating speed of the high gear is 1.2n, and the rotating speed of the middle gear is 0.5n. It can be understood that n can be any positive number, which is not limited here and can be set according to actual application scenarios and products.

[0072] Optionally, the support 5 comprises a base and a support leg 53. The number of the support leg 53 is two or more. One end of the support leg 53 is connected to the base, and the other end is connected to the inner wall of the air duct 1. The base is used for mounting and fixing the motor 6. At least one support leg 53 in the support 5 is hollow, and the hollow cavity in the support leg 53 is used for placing the electric wire. One end of the electric wire is connected to the motor 6 on the base, and the other end passes through the hollow cavity of the support leg 53 and is in conduction with the electric control module.

[0073] The hollow cavity of the support leg 53 can well protect the electric wire, prevent external rainwater from entering and causing circuit short circuit, and prevent the electric wire from being wound during the rotation of the wind wheel 4.

[0074] Optionally, the air duct 1 is further provided with a guide hole 14 for guiding the electric wire. The guide hole 14 is in communication with the hollow cavity of the support leg 53, and the guide hole 14 is located between the second air cover shell 3 and the ring sleeve 7.

[0075] Specifically, the electric wire connected with the motor 6 in the air duct 1 is routed through the hollow cavity of the support leg 53, and the electric wire is led out of the air duct 1 through the hollow cavity and the guide hole 14, and can be fixed along the wall surface at the position of the guide hole 14, thereby improving the safety of the routing and improving the aesthetics of the routing to a certain extent.

[0076] Optionally, the support 5 further comprises a cover plate 51. The support base 52 is provided with a containing cavity, and the support leg 53 is provided with a groove in communication with the containing cavity, and the cover plate 51 can be covered above the containing cavity and the groove, so that the containing cavity and the groove of the base form a closed space. The containing cavity is used for mounting and fixing the motor 6, and the groove is used for installing and guiding the routing of the electric wire. The cover plate 51 can cover one or more support legs 53, which is not specifically limited here.

[0077] Optionally, the cover plate 51 is connected with the support base 52 and the support leg 53 in a clamping manner. In this way, the elements can be conveniently disassembled and installed. The cover plate 51 is provided with one or more heat dissipation holes to improve the heat dissipation effect of the motor 6.

[0078] Optionally, the bottom of the support base 52 is provided with one or more heat dissipation holes. During the rotation of the wind wheel 4, the motor 6 can be continuously cooled through the heat dissipation holes.

[0079] The above description and drawings fully illustrate the embodiments of the present disclosure, so that those skilled in the art can practice them. Other embodiments can include structural and other changes. The embodiments only represent possible changes. Unless explicitly required, individual components and functions are optional, and the order of operations can be changed. Some parts and features of some embodiments can be included in or replace parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is only limited by the appended claims.

Claims

1. A through-wall fresh air machine characterized by, Comprise: A wind drum comprising a first air port and a second air port, and an air duct connecting the first air port and the second air port; A first air cover detachably connected to the first air port, the first air cover being provided with a first filter; and A second air cover detachably connected to the second air port, the second air cover being provided with a second filter; A fan wheel located in the air duct, the fan wheel rotating forward, the through-wall fresh air machine blowing air forward, the air flow being filtered first by the first air cover, then passing through the air duct to the second air cover for secondary filtering; the fan wheel rotating reversely, the through-wall fresh air machine blowing air reversely, the air flow passing through the second air cover and the first air cover in turn, blowing out the impurities on the first filter and the second filter for reverse cleaning; A bracket fixed to the inner wall of the wind drum; and A motor fixed to the bracket, the output shaft of the motor being drivingly connected to the fan wheel. Wherein, the bracket further comprises a cover plate; the bracket base is provided with a receiving cavity, the supporting leg is provided with a groove in communication with the receiving cavity, the cover plate can be covered on the receiving cavity and the groove, and the cover plate can cover one or more supporting legs to form a closed space in the receiving cavity and the groove; the speed of the fan wheel when rotating forward includes 0.5n and n, and the speed when rotating reversely includes 0.5n and 1.2n, wherein n is a positive number.

2. The through-wall fresh air machine according to claim 1, wherein The rotating speed of the fan wheel when rotating forward is equal to or less than the rotating speed when rotating reversely.

3. The through-wall fresh air machine according to claim 1, wherein The first air cover and / or the second air cover is connected to the wind drum by a buckle.

4. The through-wall fresh air machine according to claim 1, wherein The first filter and / or the second filter comprises a filter screen. Further comprising:

5. The through-wall fresh air machine of claim 1, wherein, A safety device configured to control the motor and the fan to stop running when the first air cover or the second air cover is opened.

6. The through-wall fresh air machine according to claim 1, wherein The first air cover and / or the second air cover is a circular truncated cone. Further comprising:

7. The through-wall fresh air machine of claim 1, wherein, A connecting pipe for connecting the first air cover and the wind drum, the connecting pipe being a flexible pipe. ​

Images