CN213019955U

CN213019955U - Fresh air device and air conditioner

Info

Publication number: CN213019955U
Application number: CN202022117376.4U
Authority: CN
Inventors: 白建雄
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-04-20
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a fresh air device and an air conditioner, which relate to the technical field of air conditioning equipment and comprise a shell and a centrifugal wind wheel, wherein the shell is provided with an air inlet, an air outlet and a wind channel for communicating the air inlet and the air outlet, and the air outlet is arranged on the circumference of the shell; the centrifugal wind wheel is arranged in the air duct, and the air inlet end of the centrifugal wind wheel is close to the air inlet. The utility model discloses a new trend device makes the outdoor air current that enters into the interior wind channel of casing through the new trend pipe can directly blow off from the air outlet under the drive of centrifugal wind wheel, and the business turn over wind is more smooth and easy, the windage is littleer, has promoted new trend device's the air-out amount of wind, has reduced new trend device's noise.

Description

Fresh air device and air conditioner

Technical Field

The utility model relates to an air conditioning equipment technical field, in particular to new trend device and air conditioner.

Background

In the related art, in order to improve the air quality of an indoor environment, an air conditioner is generally provided with a fresh air device, and the fresh air device introduces outdoor fresh air into a room through a fresh air pipe. The new trend device can set up 1 or 2 turning structure in order to satisfy its position design at air inlet end or air-out end generally, but can cause the problem that the windage is big, the amount of wind is little and the noise is big.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a new trend device has that the windage is little, the amount of wind is big, the characteristics that the noise is little.

The utility model discloses still provide an air conditioner with above-mentioned new trend device.

According to the utility model discloses new trend device of first aspect embodiment, include: the air conditioner comprises a shell, a fan and a control device, wherein the shell is provided with an air inlet, an air outlet and an air duct communicated with the air inlet and the air outlet, and the air outlet is arranged on the circumferential direction of the shell; the centrifugal wind wheel is arranged in the air duct, and the air inlet end of the centrifugal wind wheel is close to the air inlet.

According to the utility model discloses new trend device has following beneficial effect at least:

through setting up the casing that has air intake and air outlet, and be located the centrifugal wind wheel of casing, the air inlet end of centrifugal wind wheel closes on the air intake, the air intake is connected with the fresh air pipe, the circumference of casing is located to the air outlet upwards, make the outdoor air current that enters into the interior wind channel of casing through the fresh air pipe can directly blow off from the air outlet under centrifugal wind wheel's drive, thereby make business turn over wind more smooth and easy, the windage is littleer, and then promoted the air-out amount of wind of new trend device, the noise of new trend device has been reduced.

According to some embodiments of the present invention, the plane perpendicular to the central axis of the centrifugal wind wheel is defined as a reference plane, and the centrifugal wind wheel and the air inlet are at least partially overlapped with each other in projection on the reference plane.

According to some embodiments of the present invention, the central axis of the centrifugal wind wheel is parallel to the central axis of the air inlet.

According to some embodiments of the utility model, new trend device is still including purifying the subassembly, purify the subassembly and be located in order to handle the process in the wind channel the air current of air intake.

According to the utility model discloses a some embodiments, the mounting groove has been seted up to the casing, the mounting groove with the wind channel intercommunication, purify the subassembly and pass through the mounting groove install in the wind channel.

According to some embodiments of the utility model, purify the subassembly and include arm-tie and filter screen, the arm-tie with the one end of filter screen is connected and is used for sealing the mounting groove.

According to some embodiments of the utility model, the filter screen with the air inlet direction of air intake is perpendicular.

According to the utility model discloses air conditioner of second aspect embodiment, including the new trend device of first aspect embodiment.

According to the utility model discloses air conditioner has following beneficial effect at least:

adopt the utility model discloses the new trend device of first aspect embodiment, the new trend device has the casing of air intake and air outlet through setting up, and be located the centrifugal wind wheel of casing, the air intake end of centrifugal wind wheel closes on the air intake, the air intake is connected with the fresh air pipe, the circumference of casing is located to the air outlet upwards, make the outdoor air current that enters into the interior wind channel of casing through the fresh air pipe directly blow off from the air outlet under centrifugal wind wheel's drive, it is more smooth and easy to make business turn over wind, the windage has effectively been reduced, and the air-out amount of wind of new trend device has been promoted, the running noise of air conditioner has been reduced.

According to some embodiments of the utility model, the air conditioner still includes the casing, new trend device locates in the casing, the air intake is close to the rear end of casing, the air outlet is close to the left end or the right-hand member of casing.

According to some embodiments of the utility model, the casing is equipped with the air-out grid, the air-out grid is located on the air-out direction of air outlet.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural view of a fresh air device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of section A-A of FIG. 1;

fig. 3 is a schematic sectional view of a fresh air device according to an embodiment of the present invention;

fig. 4 is an exploded view of a fresh air device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;

fig. 6 is an enlarged view at B in fig. 5.

Reference numerals:

a fresh air device 100; a housing 110; an air inlet 111; an air outlet 112; an air duct 113; a mounting slot 114; a first housing 115; a second housing 116; an air intake grille 1161; a third housing 117; a centrifugal wind wheel 120; a fan blade 121; a motor 130; a purge component 140; a pulling plate 141; a filter screen 142; a support bracket 143; a motor mounting structure 150; a motor holder 151; a motor cover 152;

a chassis 200; a front panel 210; a rear case 220;

and an air outlet grille 300.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the left and right, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there are first, second and third descriptions, they are only used for distinguishing technical features, but they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 5, the utility model relates to a new trend device 100 of embodiment for install in the air conditioner, new trend device 100 communicates with outdoor environment through fresh air pipe (not shown in the figure), introduces outdoor fresh air to indoor, thereby guarantees the new freshness of indoor environment, reduces indoor carbon dioxide's concentration, promotes the comfort level of indoor environment, promotes user's experience.

Referring to fig. 1, a fresh air device 100 according to an embodiment of the present invention includes a casing 110 and a centrifugal wind wheel 120 installed in the casing 110. Referring to fig. 2, 3 and 4, the casing 110 is provided with an air inlet 111 and an air outlet 112, an air duct 113 which is respectively communicated with the air inlet 111 and the air outlet 112 is arranged in the casing 110, the centrifugal wind wheel 120 is driven by the motor 130 and is connected to the air duct 113 in a rotating manner, under the action of the centrifugal wind wheel 120, outdoor fresh air is introduced into the air duct 113 through the air inlet 111 connected with the fresh air duct, the air outlet 112 is arranged in the circumferential direction of the casing 110 and is arranged corresponding to the fan blades 121 arranged in the circumferential direction of the centrifugal wind wheel 120, that is, the air outlet end of the centrifugal wind wheel 120 is arranged towards the air outlet 112, so that the air in the air duct 113 is.

Referring to fig. 2, fig. 3 and fig. 4, the air inlet end of the centrifugal wind wheel 120 is adjacent to the air inlet 111 and is located in the air inlet direction of the air inlet 111, it should be noted that the air inlet direction of the air inlet 111 may be understood as a set of straight lines perpendicular to the area where the air inlet 111 is located, the air inlet end of the centrifugal wind wheel 120 is an end surface of the centrifugal wind wheel 120 facing the air inlet direction, and when the set of straight lines perpendicular to the air inlet 111 at least partially intersects with the end surface of the centrifugal wind wheel 120, the air inlet end of the centrifugal wind wheel 120 is located in the air inlet direction of the air. It can be understood that, when the air inlet end of the centrifugal wind wheel 120 is located in the air inlet direction of the air inlet 111, the tangential direction of the air outlet end of the centrifugal wind wheel 120 is the same as the air outlet direction of the air outlet 112, the outdoor air flow entering the air duct 113 through the air inlet 111 can be directly blown out from the air outlet 112 under the driving of the centrifugal wind wheel 120, compared with the prior art, the outdoor air flow does not need to design a turning structure at the air inlet 111 and the air outlet 112, the fresh air duct does not need to adopt a bent structure, the air inlet and outlet can be smoother, and the wind resistance in the fresh air device 100 can be effectively reduced, the air outlet volume of the fresh air device 100 can be increased, and the noise of. Through experimental verification, compare with prior art's structure, the new trend device 100 of this embodiment air volume increases more than 20 under the same condition, and the noise reduces more than 1.5 decibels, has promoted user experience.

Referring to fig. 2 and 3, it can be understood that a plane perpendicular to the central axis of centrifugal wind rotor 120 is defined as a reference plane, the central axis of centrifugal wind rotor 120 is the rotation axis of centrifugal wind rotor 120 in this embodiment, and the projections of centrifugal wind rotor 120 and air inlet 111 onto the reference plane are at least partially overlapped. It should be noted that, when the above conditions are satisfied, the distance from the outdoor airflow entering the air duct 113 through the air inlet 111 to the air inlet end of the centrifugal wind wheel 120 is shorter, and the outdoor airflow can more easily reach the air inlet end of the centrifugal wind wheel 120, so that the air inlet is smoother, the wind resistance can be effectively reduced, and the air outlet volume of the fresh air device 100 is increased.

Referring to fig. 3, it can be understood that the fresh air duct generally adopts a horizontally arranged structure, the air inlet 111 is connected with the fresh air duct, i.e. is parallel to the end surface of the fresh air duct, when the central axis of the air inlet 111 is parallel to the central axis of the centrifugal wind wheel 120, the air inlet 111 is parallel to the air inlet end of the centrifugal wind wheel 120, so that the distance from the outdoor air flow entering the air duct 113 through the air inlet 111 to the air inlet end of the centrifugal wind wheel 120 is shortest, the air inlet is most smooth, the outdoor air flow can directly enter the air inlet end of the centrifugal wind wheel 120, the wind resistance of the fresh air device 100 is further reduced, and the air outlet volume of. In addition, as another embodiment, the central axis of the centrifugal wind wheel 120 may also coincide with the central axis of the air inlet 111, so that the air inlet 111 is disposed opposite to the air inlet end of the centrifugal wind wheel 120, thereby achieving the purpose of reducing the wind resistance in the casing 110, and further increasing the air outlet volume of the fresh air device 100.

Referring to fig. 3 and 4, the fresh air device 100 may further include a purification assembly 140, and the purification assembly 140 is used for performing a purification treatment on the outdoor air flow entering from the air inlet 111, such as filtering, dedusting, or disinfecting the outdoor air flow, and is not limited in detail herein. The cleaning assembly 140 is disposed in the air duct 113, generally between the air inlet 111 and the centrifugal fan 120, but may be disposed between the centrifugal fan 120 and the air outlet 112, which is not specifically limited herein, so as to improve the cleanliness of the air entering the indoor environment. It should be noted that the purification assembly 140 may be an electrostatic purification module, a high efficiency air filter, an activated carbon filter, etc., and is not limited in detail herein.

Referring to fig. 3 and 4, the cleaning assembly 140 is located between the air inlet 111 and the centrifugal wind wheel 120, so that the outdoor air enters the centrifugal wind wheel 120 after being cleaned, and the service life of the centrifugal wind wheel 120 is prolonged. It can be understood that the housing 110 has a mounting groove 114, the mounting groove 114 is communicated with the air duct 113, and the purifying assembly 140 is detachably mounted in the mounting groove 114, so that the purifying assembly 140 can be conveniently mounted in the air duct 113, and is convenient for a user to detach and replace.

Referring to fig. 4, the cleaning assembly 140 further includes a pulling plate 141 and a filtering net 142, the pulling plate 141 is used for closing the installation slot 114, and the pulling plate 141 and the filtering net 142 are connected towards one end of the casing 110 on one side having the installation slot 114, so that a user can conveniently detach and install the cleaning assembly 140 through the pulling plate 141, and the convenience of replacing the filtering net 142 is improved. Generally speaking, the purifying component 140 usually adopts a high efficiency air filter, the high efficiency air filter adopts a filter screen 142 meeting the HEPA standard to filter, the effective rate of 0.1 micron and 0.3 micron reaches 99.7%, the filter screen 142 meeting the HEPA label has the characteristic that air can pass through but fine particles cannot pass through, therefore, the efficiency of removing particles with the diameter of more than 0.3 micron by the filter screen 142 of the standard can reach more than 99.97%, the filter medium is the most effective filtering medium for pollutants such as smoke, dust and bacteria, and can meet the requirement of the fresh air device 100 for purifying outdoor air.

Referring to fig. 3, it can be understood that the filter screen 142 is perpendicular to the air inlet direction of the air inlet 111, i.e. parallel to the air inlet end of the centrifugal wind wheel 120, and when the centrifugal wind wheel 120 works, the outdoor air flow of the air inlet 111 can be drawn axially, and the outdoor air flow is directly filtered by the filter screen 142, so that the resistance of the filter screen 142 to the air flow is reduced, the wind resistance in the housing 110 is reduced, and the air outlet volume of the fresh air device 100 is increased. In addition, as shown in fig. 3 and 4, the supporting frame 143 is disposed on the outer peripheral edge of the filter screen 142, and the supporting frame 143 is fixed to the filter screen 142, so that the filter screen 142 and the housing 110 are more stably mounted, and the space between the outer peripheral edge of the filter screen 142 and the inner wall of the housing 110 can be sealed, thereby improving the purifying effect of the purifying assembly 140.

Referring to fig. 3, it can be understood that one end (i.e., the left end in fig. 3) of the housing 110 away from the air inlet 111 is provided with a motor mounting structure 150, and the motor mounting structure 150 is used for fixing the motor 130, so as to fix the centrifugal wind wheel 120, thereby improving the operation stability of the centrifugal wind wheel 120. The motor mounting structure 150 includes a motor bracket 151 and a motor cover 152, the motor bracket 151 is used for supporting the left end of the motor 130, the motor cover 152 is used for supporting the right end of the motor 130, the motor bracket 151 is formed on the end wall of the housing 110, and is integrally formed with the end wall, so that the structure is more stable. The motor cover 152 is fixedly connected to the motor bracket 151 to position the motor 130, and it should be noted that the motor cover 152 may be fixedly connected to the motor bracket 151 in a bolt connection, a screw connection, or a clamping connection, which is not limited herein.

Referring to fig. 4, the housing 110 includes a first housing 115, a second housing 116, and a third housing 117 sequentially connected from left to right in fig. 4, wherein the first housing 115, the second housing 116, and the third housing 117 are respectively formed by machining, and are connected to each other by one or more of a snap, a screw, and the like. It should be noted that the centrifugal wind wheel 120 is located in the enclosed space of the first casing 115 and the second casing 116, and the purification assembly 140 is located in the enclosed space of the second casing 116 and the third casing 117. In order to meet the safety requirements and avoid the damage caused by the fact that the user touches the centrifugal wind wheel 120 after the purification assembly 140 is taken out, the second shell 116 is provided with an air inlet grille 1161, and the air inlet grille 1161 is arranged opposite to the air inlet end of the centrifugal wind wheel 120.

Referring to fig. 4 and 5, the utility model relates to an air conditioner of embodiment, new trend device 100 including the first aspect embodiment, new trend device 100 has the casing 110 of air intake 111 and air outlet 112 through the setting, and be located the centrifugal wind wheel 120 of casing 110, the air inlet end of centrifugal wind wheel 120 is located the air inlet direction of air intake 111, the air-out end orientation of centrifugal wind wheel 120 is located the ascending air outlet 112 setting in week of casing 110, air intake 111 is connected with the new tuber pipe, make the outdoor air current that enters into casing 110 interior wind channel 113 through the new tuber pipe can directly blow out from air outlet 112 under centrifugal wind wheel 120's drive, it is more smooth and easy to make business turn over wind, effectively reduced the windage, and increased new trend device 100's the air-out amount, the running noise of air conditioner has been reduced, user experience has been promoted.

Referring to fig. 5, an embodiment of an air conditioner of the present invention includes the fresh air device 100 of the above embodiment. Wherein, above-mentioned air conditioner still includes casing 200, and fresh air device 100 locates in casing 200, and air intake 111 is close to the rear end of casing 200 moreover, and fresh air pipe is connected with air intake 111 and extends to outdoors from the rear end of casing 200, and the installation overall arrangement of the air conditioner of being convenient for, and more pleasing to the eye. In addition, the air outlet 112 is close to the left end of the casing 200, and the air outlet 112 can also be close to the right end of the casing 200, so that the air conditioner blows out fresh air, and the layout is more reasonable.

Referring to fig. 4 and 5, the casing 200 is provided with an air outlet grille 300, it can be understood that the air outlet grille 300 may be integrally formed with the casing 200, and the air outlet grille 300 may also be located on the fresh air device 100 as shown in fig. 4, and is designed separately from the casing 200, which is not limited herein. The air outlet grille 300 is located in the air outlet direction of the air outlet 112, and can guide the air outlet of the fresh air device 100, so that the air outlet can be guided according to a fixed angle, and the air outlet effect of the fresh air device 100 is improved.

Referring to fig. 5 and 6, it can be understood that the casing 200 includes a front panel 210 and a rear casing 220 connected to each other, the outlet grille 300 is located on the front panel 210, and the pulling plate 141 is located at the left end or the right end of the rear casing 220, i.e., the pulling plate 141 may be located on the same side or the opposite side of the outlet grille 300, and is not limited in detail herein. The casing 200 of the air conditioner of the embodiment has more reasonable structural layout, less production difficulty, lower cost and more convenient assembly.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Fresh air device, its characterized in that includes:

the air conditioner comprises a shell, a fan and a control device, wherein the shell is provided with an air inlet, an air outlet and an air duct communicated with the air inlet and the air outlet, and the air outlet is arranged on the circumferential direction of the shell;

the centrifugal wind wheel is arranged in the air duct, and the air inlet end of the centrifugal wind wheel is close to the air inlet.

2. The fresh air device according to claim 1, wherein: a plane perpendicular to the central axis of the centrifugal wind wheel is defined as a reference plane, and projections of the centrifugal wind wheel and the air inlet on the reference plane are at least partially overlapped.

3. The fresh air device according to claim 2, wherein: the central axis of the centrifugal wind wheel is parallel to the central axis of the air inlet.

4. The fresh air device according to claim 1, wherein: the fresh air device further comprises a purification assembly, and the purification assembly is located in the air channel to process air flow passing through the air inlet.

5. The fresh air device according to claim 4, wherein: the casing has been seted up the mounting groove, the mounting groove with the wind channel intercommunication, purify the subassembly through the mounting groove install in the wind channel.

6. The fresh air device according to claim 5, wherein: the purification assembly comprises a pulling plate and a filter screen, wherein the pulling plate is connected with one end of the filter screen and used for sealing the mounting groove.

7. The fresh air device according to claim 6, wherein: the filter screen is perpendicular to the air inlet direction of the air inlet.

8. An air conditioner, characterized in that: comprising the fresh air device of any one of claims 1 to 7.

9. The air conditioner according to claim 8, wherein: the air conditioner further comprises a casing, the fresh air device is arranged in the casing, the air inlet is close to the rear end of the casing, and the air outlet is close to the left end or the right end of the casing.

10. The air conditioner according to claim 9, wherein: the casing is provided with an air outlet grating, and the air outlet grating is positioned in the air outlet direction of the air outlet.