CN207132446U - Indoor apparatus of air conditioner - Google Patents

Abstract

A kind of indoor apparatus of air conditioner, help to improve the uniformity of the air-flow blown out from the air outlet of wind outlet panel.Indoor apparatus of air conditioner of the present utility model includes housing and is arranged on the wind outlet panel of the lower section of the housing, the wind outlet panel has air outlet, heat exchanger and aerofoil fan are provided with the housing, catch net is provided with the housing, in the wind path formed by the aerofoil fan, the heat exchanger is located at the upstream side of the aerofoil fan, the catch net is located at the downstream of the aerofoil fan, and, flow deflector is provided with the catch net, the flow deflector is used to guide the air-flow blown out towards the air outlet from the aerofoil fan.

Description

air conditioner indoor unit

technical field

The utility model relates to an air conditioner indoor unit, in particular to an air conditioner indoor unit installed on a suspended ceiling, which comprises a housing and an air outlet panel arranged below the housing.

Background technique

Conventionally, there is an air-conditioning indoor unit, which includes a casing and an air outlet panel disposed below the casing, and a fan is arranged inside the casing, and the air outlet panel has an air outlet.

In the air conditioner indoor unit mentioned above, in order to increase the air volume, an axial flow fan can be used as the fan.

However, axial flow fans usually do not have a casing. Therefore, in the case of using an axial flow fan, it is necessary to consider the safety issue when the axial flow fan rotates, and when setting up a protective structure for safety issues, it is also necessary to avoid The airflow from the air outlet of the indoor unit of the air conditioner becomes uneven due to the protective structure.

Utility model content

The utility model is completed in view of the above problems, and its purpose is to provide an air-conditioning indoor unit, which includes a housing and an air outlet panel arranged below the housing, which helps to improve the blown air from the air outlet of the air outlet panel. uniformity of airflow.

In order to solve the above-mentioned technical problems, the utility model provides an air conditioner indoor unit, which includes a housing and an air outlet panel arranged below the housing, the air outlet panel has an air outlet, and a heat exchange unit is arranged in the housing. In the air path formed by the axial fan, the heat exchanger is located on the upstream side of the axial fan, and the protective net is arranged on the housing. The net is located on the downstream side of the axial flow fan, and guide vanes are arranged on the protective net, and the guide vanes are used to guide the airflow blown from the axial flow fan toward the air outlet.

According to the air conditioner indoor unit with the above structure, in the state where the axial flow fan is rotating, even if the user accidentally puts his fingers into the air outlet, the protection net can be used to reduce the possibility of the fingers contacting the blades of the axial flow fan, thereby Improve safety, and, by setting guide vanes on the protective net to guide the airflow blown from the axial fan towards the air outlet, it helps to reduce the resistance of the protective net to the airflow blown by the axial fan, thereby improving The uniformity of the airflow blown from the air outlet and the reduction of noise.

In the air-conditioning indoor unit of the present utility model, preferably, the protective net has horizontal ribs and multiple vertical ribs, wherein the horizontal ribs surround the rotation axis of the axial fan, and the vertical ribs intersect with the horizontal ribs.

According to the air-conditioning indoor unit having the above-mentioned structure, the strength of the protection net can be increased.

In the air-conditioning indoor unit of the present utility model, it is preferable that an air guide blade is arranged in the air outlet, the air guide vane is perpendicular to the transverse rib, and the air inlet end of the air guide vane is along the direction of the axial flow fan. The direction of the blown airflow extends, and the air outlet end of the guide vane extends along a direction perpendicular to the guide blades.

According to the air conditioner indoor unit with the above structure, the airflow blown from the axial flow fan toward the air outlet can be well guided by the guide vane, thereby improving the uniformity of the airflow blown from the air outlet and reducing noise.

In the indoor unit of the air conditioner of the present utility model, preferably, among the plurality of vertical ribs, at least one vertical rib is integrally formed with the guide plate.

According to the air-conditioning indoor unit with the above structure, the vertical ribs can be used to strengthen the strength of the deflector, which helps to prolong the service life of the protection net.

In the indoor unit of the air conditioner of the present invention, preferably, the guide vane has a curved surface shape with an arc portion.

According to the air conditioner indoor unit with the above structure, the airflow blown from the axial flow fan toward the air outlet can be well guided by the guide vane, thereby improving the uniformity of the airflow blown from the air outlet and reducing noise.

In the air-conditioning indoor unit of the present utility model, preferably, the air-conditioning indoor unit further includes: a central part, which is located directly below the axial flow fan; and a frame part, which is arranged around the axial flow fan, The protective mesh extends from the central part to the frame part.

In the air-conditioning indoor unit of the present invention, preferably, the surface of the central component facing the axial fan is a convex arc surface.

According to the air conditioner indoor unit with the above structure, the airflow blown from the axial flow fan can be guided by the face of the central part facing the axial flow fan, thereby further improving the uniformity of the airflow blown from the air outlet and reducing noise.

In the air-conditioning indoor unit of the present invention, preferably, the air outlet panel has a corner, and the central part and the frame part are connected together via a supporting rod, and the supporting rod is directed from the central part toward the outlet. The corner of the wind panel is extended, and the protection net has a plurality of guide vanes, and a part of the guide vanes guides the airflow blown by the axial flow fan toward the corner of the air outlet panel .

According to the air-conditioning indoor unit of the above-mentioned structure, even if the supporting rod extends from the central part toward the corner of the air outlet panel, it is possible to prevent the flow of air blown by the axial fan to the corner of the air outlet panel from being affected by the existence of the supporting rod. decrease.

In the indoor unit of the air conditioner of the present invention, preferably, the overall protection net is in the shape of a truncated cone with a narrow bottom and a wide top.

In the air conditioner indoor unit of the present invention, it is preferable that the protective net is formed to be detachable with respect to the central member and the frame member.

According to the air conditioner indoor unit of the above structure, compared with the case where the central part, the protective net and the frame part are integrally formed, the operating cost of the air conditioner indoor unit can be reduced, for example, when only the protective net part is damaged, only the protective net needs to be replaced. That's it.

In the air-conditioning indoor unit of the present utility model, preferably, the protection net is in a spiral structure.

In the air-conditioning indoor unit of the present utility model, preferably, the bottom of the casing has an air supply opening, and the protection net at least partially covers the air supply opening.

Utility Model Effect

According to the indoor unit of the air conditioner of the utility model, when the axial flow fan is rotating, even if the user accidentally puts his fingers into the air outlet, the protection net can be used to reduce the possibility of the fingers contacting the blades of the axial flow fan. Thereby, the safety is improved, and by setting the deflector on the protective net to guide the airflow blown from the axial fan towards the air outlet, it helps to reduce the resistance of the protective net to the airflow blown by the axial fan, thereby Improves the uniformity of airflow from the air outlet and reduces noise.

Description of drawings

Fig. 1 is a side sectional view schematically showing the overall structure of the air conditioner indoor unit of the present invention.

Fig. 2 is a perspective view schematically showing the structure of the indoor unit main body included in the air conditioner indoor unit of the present invention, and shows the situation when viewed from bottom to top in an actual installed state.

Fig. 3 is a perspective view schematically showing the structure of the protection net used in the air conditioner indoor unit of the present invention.

Fig. 4 is a perspective view schematically showing a deformed structure of the protective net that can be used in the air conditioner indoor unit of the present invention.

Fig. 5 is a perspective view schematically showing another deformed structure of the protection net that can be used in the air conditioner indoor unit of the present invention.

Fig. 6 is a perspective view schematically showing another modified structure of the protection net that can be used in the indoor unit of the air conditioner of the present invention.

(Symbol Description)

1 air conditioner indoor unit

10 Main body of the indoor unit

11 housing

12 central part

121 support rod

13 frame parts

131 drain pan

1311 through hole

132 Air guide ring

20 Air outlet panel

30 heat exchanger

40 axial fans

50, 50A, 50B, 50C protection net

51 cross bar

511A connecting piece

52 vertical bars

53 deflector

531 Air intake end

532 Air outlet

60 Electrical Parts Box

CF outlet

Detailed ways

Next, with reference to Fig. 1 to Fig. 3, the embodiment of the air conditioner indoor unit of the present invention will be described according to the actual installation state of the air conditioner indoor unit, wherein Fig. 1 is a side view schematically showing the overall structure of the air conditioner indoor unit of the present invention Sectional view, Fig. 2 is a perspective view schematically showing the structure of the indoor unit main body included in the air-conditioning indoor unit of the present invention, and showing the situation when viewed from bottom to top in the actual installation state, Fig. 3 is a schematic representation A three-dimensional view of the structure of the protection net adopted by the air conditioner indoor unit of the utility model. By the way, in this application, terms such as "upper" and "lower" all refer to directions in the actual installation state of the indoor unit of the air conditioner, and "radially inward" and "radially outward" are referred to as indoor unit The axis of rotation of the axial fan in the main body is used as a reference.

<Overall structure of air conditioner indoor unit>

As shown in Figures 1 and 2, the air conditioner indoor unit 1 includes a housing 11 and an air outlet panel 20 arranged below the housing 11. The air outlet panel 20 has an air outlet 21 (in which air guide vanes are arranged, here not shown), the housing 11 is provided with a heat exchanger 30 and an axial fan 40, and a protective net 50 is provided on the housing 11. In the air path formed by the axial fan 40, the heat exchanger 30 Located on the upstream side of the axial flow fan 40, the protection net 50 is located on the downstream side of the axial flow fan 40. The protection net 50 has a deflector 53, and the deflector 53 is used to control the airflow blown from the axial flow fan 40 towards the air outlet 21. to boot.

Here, the air conditioner indoor unit 1 has a substantially rectangular parallelepiped shape as a whole. Specifically, the air-conditioning indoor unit 1 includes an indoor unit main body 10 having a housing 11 and an air outlet panel 20 disposed below the indoor unit main body 10. The indoor unit main body 10 and the air outlet panel 20 are both substantially square in plan view. , and the indoor unit main body 10 is roughly rectangular in side view. In addition, the bottom of the casing 11 of the indoor unit main body 10 has an air outlet. In addition, the axial fan 40 is mounted on the top plate of the casing 11 of the indoor unit main body 10 via a bracket, and the rotation axis of the axial fan 40 extends in the vertical direction. Moreover, the protection net 50 is located on the upper side of the air outlet panel 20 and is located on the lower side of the axial flow fan 40 .

In addition, the main body 10 of the indoor unit also includes: a central part 12, which is located directly below the axial flow fan 40; 12 extends to the frame part 13, thereby covering the air outlet at the bottom of the casing 11.

Here, the central member 12 has a storage space for storing the electric component box 60 . Specifically, the central part 12 is a generally square disc-shaped container in a plan view, with its opening facing downwards. The surface of the central part 12 facing the axial fan 40 is a convex surface. The surface is an inner concave surface, and the storage space for storing the electrical component box 60 is formed by the inner concave surface, and the central part 12 has a plurality of holes fixed to the frame part 13 (specifically, the air outlet edge of the air guide ring 132 described below). The support rods 121, when viewed from above, a plurality of support rods 121 extend radially outward from the four sides of the central part 12 (specifically, extend along a direction deviating from the diagonal of the wind outlet panel 20), and the plurality of support rods 121 respectively A storage groove extending along its own longitudinal direction is formed, and cables drawn out from electrical components in the electrical component box 60 can be accommodated in the storage groove.

Moreover, the frame member 13 includes a drain pan 131 and an air guide ring 132, wherein the drain pan 131 is used to receive the condensed water dripping from the heat exchanger 30, and the drain pan 131 is substantially square in plan view, and has a center portion in plan view. The circular through hole 1311 , the air guide ring 132 is annular, and installed in the through hole 1311 of the drain pan 131 .

In addition, the protective net 50 is formed to be detachable from the central member 12 and the frame member 13 .

<Structure of the protection net>

As shown in Figures 3 and 4, the protective net 50 has a plurality of horizontal ribs 51 and vertical ribs 52, wherein the horizontal ribs 51 are annular (that is, when the protective net 50 is installed on the indoor unit main body 10, it rotates around the axial flow fan 40 axis), vertical ribs 52 and transverse ribs 51 intersect (vertical in the illustrated example, but not limited to this), and a plurality of deflectors 53 are also arranged on the protective net 50 (in the illustrated example There are 12 among them, but not limited thereto), these baffles 53 extend in the up and down direction, and have a curved surface shape with an arc portion (that is, the baffles 53 are curved when viewed from above).

Here, the protection net 50 is arranged around the axial flow fan 40, and its overall shape is in the shape of a truncated cone. In the actual use state of the air conditioner indoor unit 1, the large-diameter bottom surface of the protection net 50 in the shape of a truncated cone is located above, and the cone of the protection net 50 The mesa-shaped small-diameter top surface is located below. Specifically, a plurality of transverse ribs 51 of the protection net 50 form a plurality of circles with mutually different diameters, and the plurality of transverse ribs 51 are along the vertical direction ( That is, the extension direction of the axis of rotation of the axial flow fan 40 in the state where the protection net 50 is installed in the indoor unit main body 10) is arranged at equal intervals, and the vertical ribs 52 of the protection net 50 are connected with a plurality of horizontal ribs 51, and the number of protection nets 50 Each baffle 53 is connected with a plurality of transverse ribs 51 in a spaced manner (that is, spaced apart in the circumferential direction around the axis of rotation of the axial fan 40), and these baffles 53 are perpendicular to the transverse ribs 51, and the baffles The air inlet end 531 of the baffle 53 extends along the direction of the airflow blown out by the axial fan 40 , and the air outlet end 532 of the guide vane 53 extends along a direction perpendicular to the guide vanes. In addition, in the example of FIG. 3 , the guide fins 53 protrude toward the inside and outside from the curved surface formed by the horizontal ribs 51 and the vertical ribs 52 .

According to the air conditioner indoor unit of this embodiment, when the axial flow fan 40 is rotating, even if the user accidentally inserts his fingers into the air outlet 21, the protective net 50 can be used to reduce the contact between the fingers and the blades of the axial flow fan 40. possibility, thereby improving safety, and, by setting on the protective net 50 the deflector 53 that guides the airflow blown from the axial flow fan 40 toward the air outlet 21, it helps to reduce the impact of the protective net 50 on the axial flow. The impedance generated by the airflow blown out by the fan 40 improves the uniformity of the airflow blown out from the air outlet 21 and reduces the noise.

In addition, according to the air conditioner indoor unit of this embodiment, the protection net 50 has a plurality of horizontal ribs 51 and vertical ribs 52, and the vertical ribs 52 and the horizontal ribs 51 are intersected. Therefore, the strength of the protection net 50 can be improved.

In addition, according to the air-conditioning indoor unit of this embodiment, the plurality of deflectors 53 of the protective net 50 are connected to the plurality of horizontal ribs 51 , therefore, the overall strength of the protective net 50 can also be enhanced by the deflectors 53 .

In addition, according to the air-conditioning indoor unit of this embodiment, the air inlet end 531 of the air guide vane 53 extends along the direction of the airflow blown by the axial fan 40 , and the air outlet end 532 of the air guide vane 53 extends along the direction perpendicular to the wind guide vane. Therefore, the airflow blown from the axial fan 40 toward the air outlet 21 can be well guided by the deflector 53 , thereby improving the uniformity of the airflow blown from the air outlet 21 and reducing noise.

In addition, according to the air conditioner indoor unit of this embodiment, the arc surface of the central part 12 facing the axial fan 40 can be used to guide the airflow blown out from the axial flow fan 40, thereby further improving the uniformity of the airflow blown out from the air outlet 21. performance and reduce noise.

In addition, according to the air-conditioning indoor unit of the present embodiment, compared with the case where the electrical component box is provided outside the side surface of the indoor-unit main body, the external dimensions of the air-conditioning indoor unit in plan view can be reduced.

In addition, according to the air-conditioning indoor unit of the present embodiment, compared with the case where the central part 12, the protection net 50 and the frame part 13 are integrally formed, the running cost of the air-conditioning indoor unit can be reduced, for example, when only the protection net 50 is partially damaged , only need to replace the protection net 50 and get final product.

The utility model has been exemplarily described above in conjunction with the accompanying drawings, and it is obvious that the specific implementation of the utility model is not limited by the above-mentioned embodiments.

For example, in the above-mentioned embodiments, the air-conditioning indoor unit 1 has a generally rectangular parallelepiped shape as a whole, but the present invention is not limited thereto, and the overall shape of the air-conditioning indoor unit 1 can be appropriately changed as needed.

In addition, in the above-mentioned embodiment, as shown in FIG. 3 , a horizontal rib 52 and a plurality of curved guide vanes 53 in plan view are provided on the protective net 50 , but the number, shape and arrangement of the transverse ribs and guide vanes The form is just an example, and it can be changed suitably as needed.

For example, a protective net 50A as shown in Figure 4 can be used, wherein the protective net 50A has a plurality of horizontal ribs 51A, a plurality of vertical ribs 52A and a plurality of deflectors 53A, and the arrangement of the plurality of transverse ribs 51A is the same as that of the above-mentioned embodiment The plurality of vertical ribs 52A and the plurality of baffles 53A are alternately connected in the circumferential direction (that is, spaced apart in the circumferential direction around the rotation axis of the axial flow fan) and connected to the plurality of horizontal ribs 51A, and the baffles 53A are It has a linear shape when viewed from above, and the deflector 53A protrudes from the curved surface formed by the horizontal rib 51A and the vertical rib 52A toward the inside and the outside, and, among the plurality of horizontal ribs 51A included in the protective net 50A, the diameter of the circle formed is the largest. Four connecting pieces 511A are arranged at equal intervals on the horizontal rib 51A, and the protective net 50A can be installed on the frame member by passing unshown screws or the like through the through holes provided in the connecting piece 511A and fixing them to the frame member . Here, the installation position and quantity of the connecting piece can be adjusted as needed, and a locking piece can also be provided instead of the connecting piece 511A. At this time, a locked portion capable of engaging with the locking piece can be provided on the frame member. .

In addition, the protective net 50B as shown in Figure 5 or the protective net 50C as shown in Figure 6 can also be used. The structure of the protective net 50B and the protective net 50C is basically the same as that of the protective net 50A, the difference is that the diversion The sheet only protrudes toward one of the inner side and the outer side from the curved surface constituted by the horizontal ribs and the vertical ribs.

In addition, in the protective net shown in Figures 3 to 6, it is preferable that at least one vertical rib is integrally formed with a baffle, in this case, the vertical rib can be used to strengthen the strength of the baffle, which helps to extend the life of the protective net. service life.

In addition, in the above embodiment, the protective net 50 is formed to be detachable with respect to the central member 12 and the frame member 13, but the present invention is not limited thereto. For example, the central member, the protective net and the frame member may be integrally formed.

In this case, compared with the case where the central part, the protective net and the frame part are formed separately, it helps to improve the assembly efficiency of the air conditioner indoor unit and facilitates maintenance.

In addition, in the above-mentioned embodiment, when viewed from above, the plurality of support rods 121 extend from the four sides of the central part 12 along the direction away from the diagonal of the wind outlet panel 20, but it is not limited thereto, the central part and the frame part They can also be connected together via support rods extending along the diagonal direction of the air outlet panel when viewed from above.

In this case, it is preferable that the protection net has a plurality of guide vanes, and some of the guide vanes guide the airflow blown by the axial flow fan toward the corners of the air outlet panel. Thereby, even if the supporting rods extending along the diagonal direction of the air outlet panel are provided, the air flow rate blown by the axial flow fan to the corner of the air outlet panel can be prevented from being reduced by the existence of the supporting rods.

In addition, in the above embodiment, the protection net 50 has a plurality of horizontal ribs 51 and a plurality of vertical ribs 52, but it is not limited thereto. It can also be formed by a single horizontal bar in the shape of a horizontal bar and a plurality of vertical bars connected to the horizontal bar in a manner of intersecting with the horizontal bar, or it can also be formed by only one horizontal bar in a spiral shape.

Claims (12)

1. An air-conditioning indoor unit, comprising a housing and an air outlet panel arranged below the housing, the air outlet panel has an air outlet, and a heat exchanger and an axial fan are arranged in the housing, characterized in is that A protection net is provided on the housing, In the air path formed by the axial fan, the heat exchanger is located on the upstream side of the axial fan, and the protection net is located on the downstream side of the axial fan, A deflector is arranged on the protection net, and the deflector is used to guide the airflow blown from the axial flow fan toward the air outlet. 2. The air conditioner indoor unit according to claim 1, wherein: The protection net has horizontal ribs and a plurality of vertical ribs, wherein the horizontal ribs surround the rotation axis of the axial flow fan, and the vertical ribs intersect with the horizontal ribs. 3. The air conditioner indoor unit according to claim 2, wherein: Wind guide vanes are arranged in the air outlet, The baffle is perpendicular to the transverse rib, and the air inlet end of the baffle extends along the direction of the airflow blown by the axial fan, and the air outlet end of the baffle extends along the direction perpendicular to the The direction of the wind guide vanes extends. 4. The air conditioner indoor unit according to claim 2, wherein: Among the plurality of vertical ribs, at least one vertical rib is integrally formed with the deflector. 5. The air conditioner indoor unit according to claim 1, wherein: The deflector is in the shape of a curved surface with an arc portion. 6. The air conditioner indoor unit according to claim 1, wherein: The air conditioner indoor unit also includes: a central part positioned directly below said axial fan; and a frame part, the frame part is arranged around the axial flow fan, The protective mesh extends from the central part to the frame part. 7. The air conditioner indoor unit according to claim 6, wherein: The surface of the central part facing the axial flow fan is an outwardly convex arc surface. 8. The air conditioner indoor unit according to claim 6, wherein: The air outlet panel has a corner, The central part and the frame part are connected together via a support rod, and the support rod extends from the central part toward the corner of the air outlet panel, The protective net has a plurality of deflectors, and a part of the plurality of deflectors guides the airflow blown by the axial flow fan toward the corner of the air outlet panel. 9. The air conditioner indoor unit according to claim 1, wherein: The overall protective net is in the shape of a truncated cone with a narrow bottom and a wide top. 10. The air conditioner indoor unit according to claim 6, wherein: The protective net is formed to be detachable from the central member and the frame member. 11. The air conditioner indoor unit according to claim 1, wherein: The protection net has a spiral structure. 12. The air conditioner indoor unit according to claim 1, wherein: The bottom of the housing has an air outlet, The protection net at least partially covers the air supply port.