CN210740812U

CN210740812U - Indoor unit and air conditioner

Info

Publication number: CN210740812U
Application number: CN201921882481.8U
Authority: CN
Inventors: 刘喜岳; 吴彦东; 李跃飞
Original assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-12
Anticipated expiration: 2029-11-04

Abstract

The utility model provides an indoor unit and air conditioner, wherein, the indoor unit includes: the shell is provided with an air outlet; the wind wheel is arranged in the shell; the heat exchanger is arranged in the shell and is independently arranged with the wind wheel; the wind dispersing piece is arranged between the wind wheel and the heat exchanger and is matched with at least one of the heat exchanger and the wind wheel, wherein at least part of air discharged outwards by the wind wheel can flow to the heat exchanger through the wind dispersing piece, and is discharged outwards by the air outlet after heat exchange through the heat exchanger. Through the technical scheme of the utility model, can effectively alleviate the produced vibration of heat exchanger fin, reduce the abnormal sound that the fin vibration caused, and it is less to the intake influence, be favorable to improving the comfort level of indoor set air-out.

Description

Indoor unit and air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to an indoor unit and an air conditioner.

Background

At present, after air enters a common air conditioning system through an air duct, air is sent to a heat exchanger by a fan for heat exchange, an air outlet generates air flow, and noise is generated in the air supply process. In the prior art, in order to ensure that the air output is reduced simultaneously, the scheme of increasing the diameter of the wind wheel of the fan and reducing the rotating speed of the wind wheel is generally adopted, but in the scheme, the increased diameter of the wind wheel leads to the reduction of the distance between the outer edge of the wind wheel and the heat exchanger, and the high-speed airflow at the air outlet of the wind wheel and the fins of the heat exchanger easily cause the vibration of the fins, generate abnormal sound and influence the comfort level of the indoor unit in the use process.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model discloses an aim at provides an indoor unit.

Another object of the present invention is to provide an air conditioner.

In order to achieve the above object, the first aspect of the present invention provides an indoor unit, including: the shell is provided with an air outlet; the wind wheel is arranged in the shell; the heat exchanger is arranged in the shell and is independently arranged with the wind wheel; the wind dispersing piece is arranged between the wind wheel and the heat exchanger and is matched with at least one of the heat exchanger and the wind wheel, wherein at least part of air discharged outwards by the wind wheel can flow to the heat exchanger through the wind dispersing piece, and is discharged outwards by the air outlet after heat exchange through the heat exchanger.

According to the utility model discloses first aspect technical scheme, indoor set includes casing, wind wheel, heat exchanger and scattered wind spare. Be equipped with the air outlet on the casing, inside wind wheel, heat exchanger and the wind spare that looses all were equipped with the casing, heat exchanger and wind wheel independent setting did not connect and had the determining deviation between heat exchanger and the wind wheel promptly to the air-out air current that makes the wind wheel flows into the heat exchanger after one end distance and carries out the heat transfer. The air dispersing pieces are matched with at least one of the heat exchanger and the wind wheel, namely the air dispersing pieces can be matched with the shape of the heat exchanger, or the air dispersing pieces are matched with the shape of the wind wheel, and the air dispersing pieces can be simultaneously matched with the shapes of the heat exchanger and the wind wheel, so that the shapes of the corresponding air dispersing pieces can be selected according to the space arrangement inside the indoor unit, the air dispersing pieces at least in the same direction keep the same distance with the heat exchanger and/or the wind wheel, the wind outlet pressure on the windward side of the heat exchanger is relatively uniform, and the noise or fault of the heat exchanger caused by uneven stress is reduced. Meanwhile, the space in the indoor unit can be reasonably utilized, and the occupied space is reduced. Wherein, be equipped with a plurality of fins on the heat exchanger to increase air area of contact improves heat exchange efficiency. The wind dispersing piece is arranged between the wind wheel and the heat exchanger, at least part of air discharged by the wind wheel can flow to the heat exchanger through the wind dispersing piece, and is discharged outwards through the air outlet of the shell after exchanging heat with the heat exchanger, so that external air is adjusted. Through set up the scattered wind spare between wind wheel and heat exchanger, make the air-out air current of wind wheel reduce through scattered wind spare back wind speed, form the diffusion air current to reduce intensity can play certain guide effect to the air-out air current of wind wheel simultaneously, when making the air-out air current of wind wheel and heat exchanger contact, reduce the impact to the heat exchanger fin, reduce the abnormal sound that produces because of the fin vibration of heat exchanger, thereby improve the use comfort of indoor set. Wherein, the air-out air current at the wind wheel is whole to flow to the heat exchanger through scattered wind spare, and the effect that reduces the abnormal sound is better.

It is emphasized that the wind dispersion member may be circular, oval, triangular, rectangular or other polygonal shape adapted to the shape of at least one of the heat exchanger and the wind wheel, depending on the shape of the heat exchanger and the wind wheel.

It should be noted that the air dispersing piece is arranged corresponding to the air outlet of the wind wheel so as to diffuse the air outlet flow of the wind wheel. The wind wheel can only be used for blowing out air from one side or can be used for blowing out air from a plurality of sides. The air dispersing piece can be made of plastic, metal or other materials meeting the requirements.

It can be understood that the inner space of the indoor unit is limited, the distance between the air outlet of the wind wheel and the heat exchanger is short, when the high-speed air outlet airflow sent by the wind wheel directly flows to the heat exchanger, the fin vibration of the heat exchanger is easily caused, especially under the condition of adopting the large-diameter wind wheel, the distance between the wind wheel and the heat exchanger is further reduced, the fin vibration of the heat exchanger is more obvious, and abnormal sound similar to whistle sound can be generated.

Additionally, the utility model provides an indoor set among the above-mentioned technical scheme can also have following additional technical characteristics:

in the technical scheme, the wind wheel is outwards blown out by the circumferential side wall, and the heat exchanger is wound outside the wind wheel along the circumferential direction of the wind wheel.

In this technical scheme, the wind wheel is by the outside air-out of circumference lateral wall, and outside locating the wind wheel through setting up the circumference of heat exchanger edge wind wheel, make the heat exchanger surround the wind wheel in the inboard to the air-out air current that makes on the arbitrary lateral wall of wind wheel all can flow into in the heat exchanger that corresponds carries out the heat transfer, prevents that partial air-out air current from directly outwards discharging without the heat transfer, thereby improves the heat exchange efficiency of indoor set.

In the above technical scheme, the diapire of casing is located to the air outlet, and the air outwards discharges through the air outlet behind the radial outside heat exchanger of flowing through of wind wheel via the wind wheel.

In this technical scheme, through be equipped with the air outlet on the diapire of casing, make the air-out air current flow to indoor set below, can promote the circulation flow of indoor air. The air of the indoor unit flows outwards along the radial direction by the wind wheel and is discharged outwards through the air outlet after passing through the heat exchanger, the air output of the wind wheel can be increased, the turning or backflow of the airflow in the shell can be reduced, the mutual disturbance among the airflows is reduced, and the noise reduction is facilitated.

In the technical scheme, the heat exchanger forms a bent structure, and the shape of the air dispersing piece is matched with that of the heat exchanger.

In this technical scheme, the heat exchanger forms the bending structure to form corresponding shape according to the spatial structure of casing inside, with make full use of casing inner space, increase the area of contact of heat exchanger and air. The shape of the air dispersing piece is matched with that of the heat exchanger, so that the air dispersing piece and the heat exchanger at least in the same direction keep equal distance, the air outlet pressure on the windward side of the heat exchanger is relatively uniform, and noise or faults caused by uneven stress of the heat exchanger are reduced. It can be understood that the uneven stress of the heat exchanger is easy to cause noise, and especially in the long-term use process of the indoor unit, the aging or the failure of the heat exchanger fins can be accelerated.

In the above technical scheme, the heat exchanger is arranged on the bottom wall of the shell, and the air dispersing piece is arranged on the bottom wall of the shell.

In this technical scheme, all locate the diapire of casing through with heat exchanger and scattered wind spare on to the diapire through the casing supports heat exchanger and scattered wind spare, reduces the vibration of air-out in-process, makes heat exchanger and scattered wind spare remain stable at the air-out in-process, the installation of being convenient for simultaneously.

In the technical scheme, the projection of the wind wheel on the wind dispersing piece is positioned in the wind dispersing piece; or the projection of the wind dispersing piece on the circumferential side wall of the wind wheel is positioned in the projection of the fan blade of the wind wheel on the circumferential side wall of the wind wheel.

In the technical scheme, the projection of the wind wheel on the wind dispersing piece is limited to be positioned in the wind dispersing piece, so that the wind dispersing piece can cover the air outlet of the wind wheel along the radial direction of the wind wheel, the outlet air flow flowing out from the radial direction of the wind wheel can pass through the wind dispersing piece to diffuse the outlet air flow, the more the overlapped part of the projection of the wind wheel on the wind dispersing piece and the wind dispersing piece is, the larger the coverage range of the wind dispersing piece is, and the lower the possibility that the outlet air flow directly flows to the heat exchanger without the wind dispersing piece is. In another case, the projection of the air diffusing piece on the circumferential side wall of the wind wheel may be in the projection of the fan blade of the wind wheel on the circumferential side wall of the wind wheel, that is, the projections of the air diffusing piece and the fan blade on the circumferential side wall of the wind wheel have an overlapping portion, so that the outlet airflow of the wind wheel can flow through the air diffusing piece, wherein the overlapping portions of the projections of the air diffusing piece and the fan blade on the circumferential side wall of the wind wheel are more, the coverage range of the air diffusing piece is larger, and the possibility that the outlet airflow directly flows to the heat exchanger without the air diffusing piece is smaller.

In the technical scheme, the shape of the wind dispersing piece is matched with that of the wind wheel, and the wind dispersing piece is arranged on the wind wheel.

In the technical scheme, the shape of the wind dispersing piece is matched with the shape of the wind wheel, so that the distance from the air outlet flow flowing out from any side surface of the wind wheel to the wind dispersing piece is equal, the difference of wind speed and strength generated between the air outlet flows in different directions can be reduced, and air flow disturbance is reduced. In addition, the shape of the wind dispersing piece is matched with that of the wind wheel, so that the space occupied by the wind dispersing piece can be reduced, and the space inside the shell can be optimized and utilized. The wind dispersing pieces are arranged on the wind wheel, so that the wind dispersing pieces can rotate along with the wind wheel, the air outlet air flow flowing out of any side face of the wind wheel can directly flow to the wind dispersing pieces along the radial direction, and the tangential displacement of the air outlet air flow is reduced relative to the wind dispersing pieces, thereby being beneficial to reducing the wind resistance when the air outlet air flow flows through the wind dispersing pieces, improving the stability of the wind dispersing pieces and reducing the noise.

It can be understood that the wind wheel is at rotatory in-process, and the air-out air current has certain tangential displacement volume, if scattered wind spare is fixed mounting, then the air-out air current can flow to scattered wind spare with certain inclination.

In the above technical scheme, two ends of the wind dispersing piece are respectively connected to two ends of the fan blade of the wind wheel along the axial direction.

In this technical scheme, connect respectively in the flabellum of wind wheel along the both ends of circumferential direction through the both ends that set up scattered wind spare, make scattered wind spare can cover whole flabellums along the axial direction of wind wheel on the one hand, on the other hand has reduced the distance between the radial direction of scattered wind spare along the wind wheel and the flabellum, the air-out air current that makes the flabellum of wind wheel send out can all pass through scattered wind spare, the diffusion efficiency of scattered wind spare is improved, prevent that the air-out air current of wind wheel from directly flowing to the heat exchanger and then reducing the fin vibration's of heat exchanger possibility, be favorable to eliminating the abnormal sound that the fin vibration of. In addition, the space occupied by the air dispersing pieces can be further reduced.

In the above technical solution, the indoor unit further includes: the humidification subassembly is located in the casing, and the humidification subassembly specifically includes: the water pump and the shower nozzle that links to each other with the water pump, the shower nozzle corresponds the setting with the air outlet of casing, and the shower nozzle can carry out the humidification to the outside exhaust air by the air outlet of casing.

In this technical scheme, through set up humidification subassembly in the casing to carry out the humidification to the air. Specifically, the humidification subassembly includes water pump and shower nozzle, and the shower nozzle links to each other with the water pump, and the shower nozzle corresponds the setting with the air outlet of casing to make the shower nozzle can carry out the humidification to the outside exhaust air by the air outlet of casing, thereby adjust indoor air as required, increase indoor air humidity.

In the above technical scheme, the air dispersing piece is provided with a plurality of grilles, the grilles are arranged in a crossed manner to form a plurality of air dispersing holes, air flows to the heat exchanger through the air dispersing holes by the wind wheel, and the shape of the air dispersing holes comprises one of the following shapes or the combination thereof: convex polygons, concave polygons, and circles.

In this technical scheme, the scattered wind spare is equipped with a plurality of grids, set up through a plurality of grids alternately and form a plurality of scattered wind holes, spread to the air-out air current of wind wheel through a plurality of scattered wind holes, reduce wind speed and intensity, play certain guide effect through scattered wind hole simultaneously, reduce the mutual disturbance between the stranded diffusion air current, and flow along the direction of setting for, and then when making the air current flow to the heat exchanger through scattered wind hole, reduce the fin vibration of heat exchanger, with the abnormal sound that reduces consequently producing. When the direction of the air dispersing hole is consistent with the extending direction of the fins of the heat exchanger, the vibration of the fins caused by the impact of the airflow can be further reduced. The shape of the air dispersing holes can be in various shapes, such as convex polygons, concave polygons or circles, and certainly, the air dispersing holes can be a combination of the shapes, meshes in different shapes can be adopted as required, so that the air outlet airflow of the wind wheel forms a plurality of strands of air dispersing airflow after passing through the air dispersing holes, and the vibration of fins of the heat exchanger caused by airflow impact is reduced.

In the above technical solution, the indoor unit further includes: one end of the fixing device is fixedly connected in the shell, and the other end of the fixing device is connected with the air dispersing piece so as to limit the movement of the air dispersing piece through the fixing device.

In this technical scheme, be equipped with fixing device in the casing, one end fixed connection in casing through setting up fixing device, the other end links to each other with the wind piece that looses to restrict the removal of wind piece through fixing device, make scattered wind piece remain stable in the air-out in-process. It can be understood that the wind speed and the intensity of the outlet air flow of the wind wheel are large, when the outlet air flow passes through the air dispersing piece, the air dispersing piece needs to bear large pressure, if the air dispersing piece is not firmly fixed, the diffusion effect on the outlet air flow can be influenced, the vibration of the air dispersing piece can be caused, noise is generated, and even the air dispersing piece and the heat exchanger can collide to cause the damage of the heat exchanger fins and influence the normal use of the indoor unit.

In the above technical solution, the fixing device specifically includes: one end of the support frame is fixedly connected in the shell; the clamping piece is detachably connected with the support frame, and the air dispersing piece is arranged between the clamping piece and the support frame.

In the technical scheme, the fixing device specifically comprises a support frame and a clamping piece, and one end of the support piece is fixedly connected with the shell to support and fix the fixing device and the air dispersing piece, so that the fixing device is kept stable; the clamping piece and the support frame can be dismantled and be connected, and the wind piece that looses is located between clamping piece and the support frame to form through clamping piece and support frame to the wind piece that looses and press from both sides tightly fixed, prevent to loose the wind piece and take place to remove after the atress, the change and the maintenance of the wind piece that looses of being convenient for simultaneously.

In the technical scheme, the ratio of the sum of the hole areas of all the air dispersing holes in the air dispersing piece to the area of the air dispersing piece is not less than 0.7.

In the technical scheme, the proportion of the sum of the hole areas of all the air dispersing holes in the air dispersing piece to the area of the air dispersing piece is not less than 0.7, so that the air outlet flow of the wind wheel can normally pass through the air dispersing holes, and the blocking effect of the air dispersing piece on the air outlet flow of the wind wheel is reduced as far as possible. It can be understood that if the ratio of the sum of the hole areas of the air dispersing holes to the area of the air dispersing piece is too small, the ventilation quantity of the air dispersing piece can be influenced, normal air outlet is influenced, the stressed area of the air dispersing piece is increased, the air dispersing piece is easy to move and even deform and damage, and normal use is influenced. More specifically, the ratio of the sum of the hole areas of all the air dispersing holes in the air dispersing piece to the area of the air dispersing piece is more than 0.8.

In the above technical scheme, the size of the wind dispersing piece in the radial direction of the wind wheel is smaller than the minimum distance between the wind wheel and the heat exchanger.

In this technical scheme, through injecing the scattered wind spare and being less than the minimum distance between wind wheel and the heat exchanger in the ascending size in the radial direction of wind wheel, make scattered wind spare can set up between wind wheel and heat exchanger along the radial direction of wind wheel on the one hand, and can not take place to interfere at the rotatory in-process of wind wheel, on the other hand, can avoid scattered wind spare and heat exchanger direct contact, prevent that the pressure that scattered wind spare received from transmitting to the heat exchanger and leading to the heat exchanger to warp or damage.

The utility model provides an air conditioner in the second technical proposal, which comprises an outdoor unit; in the indoor unit according to any one of the first to fourth aspects, the indoor unit is connected to an outdoor unit pipe.

According to the utility model discloses second aspect technical scheme, including any indoor set in outdoor unit and above-mentioned first aspect technical scheme, and indoor set and outdoor unit pass through the tube coupling to adjust the room air through indoor set and outdoor unit, therefore this technical scheme has all beneficial effects of any indoor set in above-mentioned first aspect technical scheme, no longer gives unnecessary details here.

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

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic view of an indoor unit according to an embodiment of the present invention;

figure 2 shows a schematic view of an indoor unit according to an embodiment of the invention;

figure 3 shows a schematic view of an indoor unit according to an embodiment of the invention;

figure 4 shows a schematic view of an indoor unit according to an embodiment of the invention;

fig. 5 shows a partial schematic view of a diffuser according to an embodiment of the invention;

fig. 6 shows a schematic structural view of a fixation device according to an embodiment of the present invention;

fig. 7 shows a schematic structural view of a fixing device according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the components in fig. 1 to 7 is as follows:

the air conditioner comprises a shell 1, an air outlet 11, a wind wheel 2, fan blades 21, a heat exchanger 3, a refrigerant input and output assembly 31, an air dispersing part 4, an air dispersing hole 41, a water pump 5, a fixing device 6, a supporting frame 61 and a clamping part 62.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

An indoor unit and an air conditioner according to some embodiments of the present invention will be described below with reference to fig. 1 to 7.

Example one

The embodiment provides an indoor unit, as shown in fig. 1, including a casing 1, a wind wheel 2, a heat exchanger 3 and a wind dispersing piece 4. Wind wheel 2, heat exchanger 3 and wind spare 4 all locate inside casing 1, and wind wheel 2 is by one end air inlet and by the circumference lateral wall air-out, and heat exchanger 3 is around locating outside wind wheel 2 along the circumference of wind wheel 2 to link to each other with refrigerant input and output assembly 31, be equipped with a plurality of fins on the heat exchanger 3, with the increase with the area of contact of air. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. The wind dispersing piece 4 is arranged between the heat exchanger 3 and the wind wheel 2, and the wind dispersing piece 4 is wound on the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2. The heat exchanger 3 forms a bent polygonal structure, and the shape of the air dispersing piece 4 is matched with that of the heat exchanger 3. Be equipped with a plurality of air outlets 11 on the diapire of casing 1, and the outside of heat exchanger 3 is all located along the radial direction of wind wheel 2 to a plurality of air outlets 11. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow is diffused into a plurality of strands of fine airflow when passing through the air dispersing piece 4, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guide of the air dispersing piece 4, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the plurality of air outlets 11 on the bottom wall of the shell 1 to adjust indoor air. The number and shape of the air outlets 11 may be four rectangular shapes as shown in fig. 1, or may be other numbers and shapes.

Example two

The embodiment provides an indoor unit, as shown in fig. 1, including a casing 1, a wind wheel 2, a heat exchanger 3 and a wind dispersing piece 4. Wind wheel 2, heat exchanger 3 and wind spare 4 all locate casing 1 inside, and wind wheel 2 is by one end air inlet and by the circumference lateral wall air-out, and heat exchanger 3 is around locating outside wind wheel 2 along the circumference of wind wheel 2, and heat exchanger 3 forms the polygon shape of buckling to agree with mutually with the space in the casing 1, simultaneously, be equipped with a plurality of fins on the heat exchanger 3, furthest increases heat exchanger 3's heat transfer area. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. The air dispersing piece 4 is arranged between the heat exchanger 3 and the wind wheel 2, the shape of the air dispersing piece 4 is a bent polygon matched with the shape of the heat exchanger 3, and the air dispersing piece 4 is wound on the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2. Be equipped with a plurality of air outlets 11 on the diapire of casing 1, and the outside of heat exchanger 3 is all located along the radial direction of wind wheel 2 to a plurality of air outlets 11, specifically, the quantity of air outlet 11 is four, and the shape is the rectangle, and four air outlets 11 establish respectively with four directions of casing 1. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow is diffused into a plurality of strands of fine airflow when passing through the air dispersing piece 4, meanwhile, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guiding of the air dispersing piece 4, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the plurality of air outlets 11 on the bottom wall of the shell 1 to adjust indoor air.

Wherein, as shown in fig. 2, the heat exchanger 3 and the air diffuser 4 are both arranged on the bottom wall of the casing 1, and the casing 1 is used for supporting the heat exchanger 3 and the air diffuser 4. In the axial direction of the wind wheel 2, the height of the wind dispersing piece 4 is smaller than that of the heat exchanger 3, and the heat exchanger 3 extends from the bottom wall of the shell 1 to the top wall of the shell 1; the height of the fan blades 21 of the wind wheel 2 is less than that of the wind dispersing pieces 4, and the wind dispersing pieces 4 can cover all the fan blades 21 along the radial direction of the wind wheel 2.

EXAMPLE III

The embodiment provides an indoor unit, as shown in fig. 3, including a casing 1, a wind wheel 2, a heat exchanger 3 and a wind dispersing member 4. Wind wheel 2, heat exchanger 3 and scattered wind piece 4 all locate casing 1 inside, wind wheel 2 by one end air inlet and by the circumference lateral wall air-out, heat exchanger 3 along 2 circumference of wind wheel around locating 2 outside the wind wheel to link to each other with refrigerant input and output subassembly 31, and heat exchanger 3 forms the polygonal shape of buckling, agrees with mutually with the space in the casing 1, simultaneously, is equipped with a plurality of fins on the heat exchanger 3, furthest increases heat transfer area of heat exchanger 3. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. As shown in fig. 3 and 4, the wind dispersing piece 4 is disposed between the heat exchanger 3 and the wind wheel 2, the wind dispersing piece 4 is circular and is adapted to the cross-sectional shape of the wind wheel 2, the wind dispersing piece 4 is wound around the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2, and two ends of the wind dispersing piece 4 are respectively connected to two ends of the fan blade 21 of the wind wheel 2 along the axial direction, so as to form a coating on the fan blade 21, the wind dispersing piece 4 rotates along with the wind wheel 2, wherein the wind dispersing piece 4 is made of plastic, and two ends of the wind dispersing piece 4 are connected with the wind wheel 2 in a resistance welding manner. Be equipped with a plurality of air outlets 11 on the diapire of casing 1, and the outside of heat exchanger 3 is all located along the radial direction of wind wheel 2 to a plurality of air outlets 11, specifically, the quantity of air outlet 11 is four, and the shape is the rectangle, and four air outlets 11 establish respectively with four directions of casing 1. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow is diffused into a plurality of strands of fine airflow when passing through the air dispersing piece 4, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guide of the air dispersing piece 4, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the plurality of air outlets 11 on the bottom wall of the shell 1 to adjust indoor air.

Wherein, as shown in fig. 4, the heat exchanger 3 is arranged on the bottom wall of the casing 1, and the casing 1 is used for supporting the heat exchanger 3. The two ends of the wind dispersing piece 4 are connected to the two ends of the fan blade 21 of the wind wheel 2 along the axial direction, and the wind dispersing piece 4 is supported by the wind wheel 2. In the axial direction of the wind wheel 2, the height of the heat exchanger 3 is greater than that of the wind dispersing pieces 4, and the heat exchanger 3 extends from the bottom wall of the shell 1 to the top wall of the shell 1; the height of the air dispersing piece 4 is equal to or slightly larger than the height of the fan blade 21 of the wind wheel 2, and the air dispersing piece 4 completely covers the air outlet surface of the wind wheel 2.

Example four

The embodiment provides an indoor unit, as shown in fig. 1, including a casing 1, a wind wheel 2, a heat exchanger 3, a wind dispersing piece 4 and a humidifying assembly. Wind wheel 2, heat exchanger 3 and wind spare 4 all locate inside casing 1, and wind wheel 2 is by one end air inlet and by the circumference lateral wall air-out, and heat exchanger 3 is around locating outside wind wheel 2 along the circumference of wind wheel 2 to link to each other with refrigerant input and output assembly 31, be equipped with a plurality of fins on the heat exchanger 3, with the increase with the area of contact of air. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. The wind dispersing piece 4 is arranged between the heat exchanger 3 and the wind wheel 2, and the wind dispersing piece 4 is wound on the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2. The heat exchanger 3 forms a bent polygonal structure, and the shape of the air dispersing piece 4 is matched with that of the heat exchanger 3. Be equipped with a plurality of air outlets 11 on the diapire of casing 1, and the outside of heat exchanger 3 is all located along the radial direction of wind wheel 2 to a plurality of air outlets 11. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow is diffused into multiple strands of fine airflow when passing through the air dispersing piece 4, meanwhile, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guide of the air dispersing piece 4, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the plurality of air outlets 11 in the bottom wall of the shell 1 to adjust indoor air, specifically, the number of the air outlets 11 is four, the air outlets are rectangular in shape, and the four air outlets 11 are respectively arranged in four directions of the shell 1. The humidifying component comprises a water pump 5 and a nozzle (not shown in the figure) connected with the water pump 5, the nozzle is arranged corresponding to the air outlet 11 of the shell 1, and water is supplied to the nozzle through the water pump 5, so that the nozzle can humidify the air discharged from the air outlet 11, and the indoor humidity is improved.

EXAMPLE five

The embodiment provides an indoor unit, as shown in fig. 1, including a casing 1, a wind wheel 2, a heat exchanger 3 and a wind dispersing piece 4. Wind wheel 2, heat exchanger 3 and wind spare 4 all locate inside casing 1, and wind wheel 2 is by one end air inlet and by the circumference lateral wall air-out, and heat exchanger 3 is around locating outside wind wheel 2 along the circumference of wind wheel 2 to link to each other with refrigerant input and output assembly 31, be equipped with a plurality of fins on the heat exchanger 3, with the increase with the area of contact of air. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. The wind dispersing pieces 4 are arranged between the heat exchanger 3 and the wind wheel 2, the wind dispersing pieces 4 are wound on the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2, and the size of the wind dispersing pieces 4 in the radial direction of the wind wheel 2 is smaller than the minimum distance between the wind wheel 2 and the heat exchanger 3. The heat exchanger 3 forms a bent polygonal structure, and the shape of the air dispersing piece 4 is matched with that of the heat exchanger 3. Fig. 5 shows a cross-sectional shape of a part of the air diffuser 4, and a plurality of grilles are provided on the air diffuser 4, and a plurality of rectangular air diffusing holes 41 are formed by crossing the grilles vertically and horizontally.

Be equipped with a plurality of air outlets 11 on the diapire of casing 1, and the outside of heat exchanger 3 is all located along the radial direction of wind wheel 2 to a plurality of air outlets 11, specifically, the quantity of air outlet 11 is four, and the shape is the rectangle, and four air outlets 11 establish respectively with four directions of casing 1. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow penetrates through the air dispersing holes 41 on the air dispersing piece 4 to be dispersed into multiple strands of fine airflow, meanwhile, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guiding of air dispersing, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the air outlets 11 on the bottom wall of the shell 1 to adjust the indoor air. The ratio of the sum of the hole areas of all the air dispersing holes 41 in the air dispersing piece 4 to the area of the air dispersing piece 4 is more than 0.8.

It is understood that the shape of the air dispersing holes 41 on the air dispersing member 4 of the present invention is not limited to the rectangular shape in the present embodiment, and may be other convex polygon, concave polygon, circular shape or the combination of the above shapes.

EXAMPLE six

The embodiment provides an indoor unit, as shown in fig. 1, including a casing 1, a wind wheel 2, a heat exchanger 3, a wind dispersing piece 4 and a fixing device 6. Wind wheel 2, heat exchanger 3 and wind spare 4 all locate inside casing 1, and wind wheel 2 is by one end air inlet and by the circumference lateral wall air-out, and heat exchanger 3 is around locating outside wind wheel 2 along the circumference of wind wheel 2 to link to each other with refrigerant input and output assembly 31, be equipped with a plurality of fins on the heat exchanger 3, with the increase with the area of contact of air. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. The wind dispersing piece 4 is arranged between the heat exchanger 3 and the wind wheel 2, and the wind dispersing piece 4 is wound on the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2. The heat exchanger 3 forms a bent polygonal structure, and the shape of the air dispersing piece 4 is matched with that of the heat exchanger 3. Be equipped with a plurality of air outlets 11 on the diapire of casing 1, and the outside of heat exchanger 3 is all located along the radial direction of wind wheel 2 to a plurality of air outlets 11, specifically, the quantity of air outlet 11 is four, and the shape is the rectangle, and four air outlets 11 establish respectively with four directions of casing 1. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow is diffused into a plurality of strands of fine airflow when passing through the air dispersing piece 4, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guide of the air dispersing piece 4, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the plurality of air outlets 11 on the bottom wall of the shell 1 to adjust indoor air.

Wherein, the air dispersing piece 4 is connected with the casing 1 through the fixing device 6, specifically, as shown in fig. 6 and 7, the fixing device 6 comprises a supporting frame 61 and a clamping piece 62, one end of the supporting frame 61 is fixedly connected with the bottom wall of the casing 1, the other end is detachably connected with the clamping piece 62 through a screw, the air dispersing piece 4 is arranged between the supporting frame 61 and the clamping piece 62 and is fixed through a screw, so that the air dispersing piece 4 is clamped by the clamping piece 62 and the supporting frame 61 to limit the movement of the air dispersing piece 4.

EXAMPLE seven

The embodiment provides an indoor unit, as shown in fig. 1, including a casing 1, a wind wheel 2, a heat exchanger 3, a wind dispersing piece 4, a fixing device 6 and a humidifying assembly. Wind wheel 2, heat exchanger 3 and scattered wind piece 4 all locate casing 1 inside, wind wheel 2 by one end air inlet and by the circumference lateral wall air-out, heat exchanger 3 along 2 circumference of wind wheel around locating 2 outside the wind wheel to link to each other with refrigerant input and output subassembly 31, and heat exchanger 3 forms the polygonal shape of buckling, agrees with mutually with the space in the casing 1, simultaneously, is equipped with a plurality of fins on the heat exchanger 3, furthest increases heat transfer area of heat exchanger 3. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. The air dispersing piece 4 is arranged between the heat exchanger 3 and the wind wheel 2, the shape of the air dispersing piece 4 is a bent polygon matched with the shape of the heat exchanger 3, and the air dispersing piece 4 is wound on the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2. Four rectangular air outlets 11 are arranged on the bottom wall of the shell 1, and each air outlet 11 is arranged on the outer side of the heat exchanger 3 along the radial direction of the wind wheel 2. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow is diffused into a plurality of strands of fine airflow when passing through the air dispersing piece 4, meanwhile, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guiding of the air dispersing piece 4, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the plurality of air outlets 11 on the bottom wall of the shell 1 to adjust indoor air. Wherein, as shown in fig. 2, the heat exchanger 3 and the air diffuser 4 are both arranged on the bottom wall of the casing 1, and the casing 1 is used for supporting the heat exchanger 3 and the air diffuser 4. In the axial direction of the wind wheel 2, the height of the wind dispersing piece 4 is smaller than that of the heat exchanger 3, and the heat exchanger 3 extends from the bottom wall of the shell 1 to the top wall of the shell 1; the height of the fan blades 21 of the wind wheel 2 is less than that of the wind dispersing pieces 4, and the wind dispersing pieces 4 can cover all the fan blades 21 along the radial direction of the wind wheel 2. Fig. 5 shows a cross-sectional shape of a part of the air diffuser 4, and a plurality of grilles are provided on the air diffuser 4, and a plurality of square air diffusing holes 41 are formed by crossing the grilles vertically and horizontally. The ratio of the sum of the hole areas of all the air dispersing holes 41 in the air dispersing piece 4 to the area of the air dispersing piece 4 is more than 0.8.

Specifically, the diameter D of the wind wheel 2 is 480mm, the distances from the outer edge of the wind wheel 2 to the heat exchanger 3 in four directions are respectively L1-52 mm, L2-33 mm, L3-52 mm, L4-67 mm, the height of the air outlet 11 of the wind wheel 2 is H1-110 mm, the height H2 of the air diffuser 4 is 170mm, the thickness a1 of the air diffuser 4 is 2mm, and the wire diameter width a2 of the air diffuser 4 is 4 mm.

In addition, the humidifying component comprises a water pump 5 and a nozzle (not shown in the figure) connected with the water pump 5, the nozzle is arranged corresponding to the air outlet 11 of the shell 1, and water is supplied to the nozzle through the water pump 5, so that the nozzle can humidify the air discharged from the air outlet 11, and the indoor humidity is improved.

Through the indoor unit of this embodiment, can effectively reduce the produced abnormal sound of 3 fins of heat exchanger, and under 2 high windscreen states of wind wheel, noise reduction 2dB, amount of wind attenuation control is within 2%.

Example eight

The embodiment provides an indoor unit, as shown in fig. 3, including a casing 1, a wind wheel 2, a heat exchanger 3, a wind dispersing piece 4 and a humidifying assembly. Wind wheel 2, heat exchanger 3 and scattered wind piece 4 all locate casing 1 inside, wind wheel 2 by one end air inlet and by the circumference lateral wall air-out, heat exchanger 3 along 2 circumference of wind wheel around locating 2 outside the wind wheel to link to each other with refrigerant input and output subassembly 31, and heat exchanger 3 forms the polygonal shape of buckling, agrees with mutually with the space in the casing 1, simultaneously, is equipped with a plurality of fins on the heat exchanger 3, furthest increases heat transfer area of heat exchanger 3. Wherein, heat exchanger 3 and wind wheel 2 independent setting, do not connect between heat exchanger 3 and the wind wheel 2 promptly, and have radial interval between heat exchanger 3 and the wind wheel 2. As shown in fig. 3 and 4, the wind dispersing piece 4 is disposed between the heat exchanger 3 and the wind wheel 2, the wind dispersing piece 4 is circular and is adapted to the cross-sectional shape of the wind wheel 2, the wind dispersing piece 4 is wound around the outer side of the wind wheel 2 along the circumferential direction of the wind wheel 2, and two ends of the wind dispersing piece 4 are respectively connected to two ends of the fan blade 21 of the wind wheel 2 along the axial direction, so as to form a coating on the fan blade 21, the wind dispersing piece 4 rotates along with the wind wheel 2, wherein the wind dispersing piece 4 is made of plastic, and two ends of the wind dispersing piece 4 are connected with the wind wheel 2 in a resistance welding manner. Four rectangular air outlets 11 are arranged on the bottom wall of the shell 1, and each air outlet 11 is arranged on the outer side of the heat exchanger 3 along the radial direction of the wind wheel 2. When the indoor unit works, air flows outwards along the circumferential direction under the action of the wind wheel 2 to form high-speed airflow, the high-speed airflow is diffused into a plurality of strands of fine airflow when passing through the air dispersing piece 4, the wind speed and the strength are reduced, the airflow flows downwards to the peripheral heat exchanger 3 under the guide of the air dispersing piece 4, and after heat exchange with the heat exchanger 3, the airflow is outwards discharged from the plurality of air outlets 11 on the bottom wall of the shell 1 to adjust indoor air.

Wherein, as shown in fig. 4, the heat exchanger 3 is arranged on the bottom wall of the casing 1, and the casing 1 is used for supporting the heat exchanger 3. The two ends of the wind dispersing piece 4 are connected to the two ends of the fan blade 21 of the wind wheel 2 along the axial direction, and the wind dispersing piece 4 is supported by the wind wheel 2. In the axial direction of the wind wheel 2, the height of the heat exchanger 3 is greater than that of the wind dispersing pieces 4, and the heat exchanger 3 extends from the bottom wall of the shell 1 to the top wall of the shell 1; the height of the air dispersing piece 4 is equal to the height of the fan blade 21 of the wind wheel 2, and the air dispersing piece 4 completely covers the air outlet surface of the wind wheel 2. Fig. 5 shows a cross-sectional shape of a part of the air diffuser 4, and a plurality of grilles are provided on the air diffuser 4, and a plurality of square air diffusing holes 41 are formed by crossing the grilles vertically and horizontally. The ratio of the sum of the hole areas of all the air dispersing holes 41 in the air dispersing piece 4 to the area of the air dispersing piece 4 is more than 0.8.

Specifically, the diameter D of the wind wheel 2 is 480mm, the distances from the outer edge of the wind wheel 2 to the heat exchanger 3 in four directions are respectively L1-52 mm, L2-33 mm, L3-52 mm, L4-67 mm, the height of the air outlet 11 of the wind wheel 2 is H1-110 mm, the height H2 of the air diffuser 4 is 110mm, the thickness a1 of the air diffuser 4 is 2mm, and the wire diameter width a2 of the air diffuser 4 is 4 mm.

Example nine

The present embodiment provides an air conditioner, including an outdoor unit and the indoor unit in any one of the first to eighth embodiments, where the outdoor unit is connected to the indoor unit through a pipeline to perform indoor air conditioning.

Above combine the figure to explain in detail the technical scheme of the utility model, can effectively alleviate the produced vibration of heat exchanger fin, reduce the abnormal sound that the fin vibration caused, and less to the intake influence, be favorable to improving the comfort level of indoor set air-out.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An indoor unit, comprising:

the air conditioner comprises a shell, wherein an air outlet is formed in the shell;

the wind wheel is arranged in the shell;

the heat exchanger is arranged in the shell and is independently arranged with the wind wheel;

the air dispersing piece is arranged between the wind wheel and the heat exchanger and is matched with at least one of the heat exchanger and the wind wheel,

at least part of air discharged outwards by the wind wheel can flow to the heat exchanger through the wind dispersing piece, and is discharged outwards by the air outlet after heat exchange of the heat exchanger.

2. The indoor unit of claim 1, wherein the wind wheel blows air outwards from a circumferential side wall, and the heat exchanger is wound outside the wind wheel along the circumferential direction of the wind wheel.

3. The indoor unit of claim 2, wherein the air outlet is formed in the bottom wall of the casing, and air passes through the heat exchanger radially outward via the wind wheel and then is discharged outward through the air outlet.

4. The indoor unit of claim 1, wherein the heat exchanger is formed in a bent structure, and the shape of the air diffuser is matched with that of the heat exchanger.

5. The indoor unit of claim 4, wherein the heat exchanger is disposed on a bottom wall of the casing, and the air diffuser is disposed on the bottom wall of the casing.

6. The indoor unit according to claim 5,

the projection of the wind wheel on the wind dispersing piece is positioned in the wind dispersing piece; or

The projection of the wind dispersing piece on the circumferential side wall of the wind wheel is positioned in the projection of the fan blades of the wind wheel on the circumferential side wall of the wind wheel.

7. The indoor unit of claim 1, wherein the shape of the air dispersing member is adapted to the shape of the wind wheel, and the air dispersing member is disposed on the wind wheel.

8. The indoor unit of claim 7, wherein both ends of the air dispersing member are connected to both ends of the fan blade of the wind wheel in an axial direction, respectively.

9. The indoor unit according to claim 1, further comprising:

the humidification subassembly is located in the casing, the humidification subassembly specifically includes:

the water pump and with the shower nozzle that the water pump links to each other, the shower nozzle with the air outlet of casing corresponds the setting, the shower nozzle can be to by the outside exhaust air of air outlet of casing carries out the humidification.

10. The indoor unit of claim 1, wherein the air diffuser is provided with a plurality of grilles, the grilles are arranged in a crossed manner to form a plurality of air diffusing holes, the air flows from the wind wheel to the heat exchanger through the air diffusing holes, and the shape of the air diffusing holes comprises one or a combination of the following: convex polygons, concave polygons, and circles.

11. The indoor unit according to claim 1, further comprising:

and one end of the fixing device is fixedly connected in the shell, and the other end of the fixing device is connected with the air dispersing piece so as to limit the movement of the air dispersing piece through the fixing device.

12. The indoor unit according to claim 11, wherein the fixing device specifically includes:

one end of the support frame is fixedly connected in the shell;

the clamping piece is detachably connected with the supporting frame, and the air dispersing piece is arranged between the clamping piece and the supporting frame.

13. The indoor unit according to claim 10, wherein a ratio of a sum of hole areas of all the air dispersing holes in the air dispersing member to an area of the air dispersing member is not less than 0.7.

14. The indoor unit of claim 1, wherein a dimension of the wind dispersing member in a radial direction of the wind wheel is smaller than a minimum distance between the wind wheel and the heat exchanger.

15. An air conditioner, comprising:

an outdoor unit;

the indoor unit of any one of claims 1 to 14, wherein the indoor unit is connected to the outdoor unit piping.