CN209877139U

CN209877139U - Cabinet type air conditioner indoor unit

Info

Publication number: CN209877139U
Application number: CN201920176174.1U
Authority: CN
Inventors: 王佳林; 耿宝寒; 郝本华; 成汝振; 张德明; 孙婷
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2019-12-31
Anticipated expiration: 2029-01-31

Abstract

The utility model provides a cabinet air-conditioner indoor unit. The cabinet air-conditioning indoor unit comprises a casing, an air supply assembly, a heat exchange assembly, a water receiving disc and two stand columns, wherein the casing is provided with a casing air inlet and a casing air outlet, the air supply assembly is arranged in the casing, the heat exchange assembly is arranged on an air flow path between the casing air inlet and the casing air outlet, the water receiving disc is used for receiving condensed water flowing down from an indoor heat exchanger, and the two stand columns extend in the vertical direction and are arranged on the two transverse sides of. The heat exchange assembly comprises a heat exchanger and a lower supporting plate arranged below the heat exchanger. The heat exchanger comprises a refrigerant pipeline and two tube plates fixed at the two transverse ends of the refrigerant pipeline. The bottom plate is fixedly connected with the bottoms of the two tube plates and the two stand columns and used for supporting the heat exchanger, so that the material cost is saved, and the water pan can be prevented from being broken in the transportation process and the use process due to the bearing of the water pan, and condensed water flows outwards.

Description

Cabinet type air conditioner indoor unit

Technical Field

The utility model relates to an air conditioning field especially relates to a cabinet air conditioner indoor set.

Background

The heat exchanger of the existing cabinet air conditioner indoor unit is supported by a water pan, and the load of the water pan is heavy. Particularly, in the process of long-distance transportation of the air conditioner, the water receiving tray is easy to break due to the impact of the heat exchanger, and the risk of water leakage exists in the using process. In comprehensive consideration, a new installation structure of the heat exchanger and the water pan of the indoor unit of the cabinet air conditioner is needed in design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reliable cabinet air conditioner indoor set of structure.

A further object of the present invention is to prolong the service life of the fastener.

Particularly, the utility model provides a cabinet air conditioner indoor unit, include:

a case forming a case air inlet and a case air outlet;

the air supply assembly is arranged in the shell and is configured to suck ambient air from the surrounding environment of the shell air inlet and promote the air to flow to the shell air outlet;

the heat exchange assembly is arranged on a gas flow path between the shell air inlet and the shell air outlet;

the water receiving tray is arranged below the heat exchange assembly and used for receiving the condensed water flowing down from the indoor heat exchanger; and

the two upright columns extend along the vertical direction, are arranged at the two transverse sides of the air supply assembly and are used for supporting the air supply assembly and the heat exchange assembly; characterized in that, heat exchange assembly includes:

the heat exchanger comprises a refrigerant pipeline and two tube plates fixed at the two transverse ends of the refrigerant pipeline; and

and the lower supporting plate is arranged below the heat exchanger, is fixedly connected with the bottoms of the two tube plates and the two upright posts, and is used for supporting the heat exchanger.

Optionally, a plurality of square protrusions are formed at each of the two transverse ends of the lower supporting plate; and is

Each upright post is correspondingly provided with a plurality of square holes, and each square bulge is fixedly clamped with one square hole.

Optionally, the heat exchange assembly further comprises:

and the upper supporting plate is fixedly connected with the tops of the two tube plates and the air supply assembly.

Optionally, the upper plate comprises:

the connecting plate extends along the transverse direction and is fixedly connected with the air supply assembly; and

and the two support legs extend downwards from the two transverse ends of the connecting plate respectively and are fixedly connected with the two tube plates respectively.

Optionally, a square hole is respectively formed at two transverse ends of the connecting plate; and is

The air supply assembly is correspondingly provided with two square bulges, and each square hole is fixedly clamped with one square bulge.

Optionally, each of the legs is formed with a positioning protrusion extending towards the heat exchanger; and is

Each tube plate is correspondingly provided with a positioning hole, and each positioning bulge is fixedly clamped with one positioning hole.

Optionally, the air supply assembly comprises:

at least one centrifugal fan configured to blow an air flow to the housing air outlet, wherein the centrifugal fan is a double suction type centrifugal fan and is arranged laterally;

the air duct main body is used for accommodating and supporting the at least one centrifugal fan, and each transverse side wall of the air duct main body is correspondingly provided with at least one airflow inlet; and

the two air duct guard plates are respectively arranged on the two transverse sides of the air duct main body, and form a return air channel of the at least one centrifugal fan together with the air duct main body, and the heat exchanger is arranged in the return air channel; wherein

The two tube plates are fixedly connected with the two air duct protection plates respectively.

Optionally, the casing air outlet comprises a lower air outlet located at a lower portion of the casing; and is

The air supply assembly also comprises an air outlet frame which is positioned below the air channel main body and communicated with the air channel of the air channel main body; wherein

The front part of the water pan is fixedly connected with the air outlet frame, and the rear part of the water pan is fixedly connected with the two stand columns.

Optionally, a gap is left between the lower supporting plate and the water receiving tray; and is

And the bottom wall of the lower supporting plate is provided with water through holes so that the condensed water flowing down from the heat exchanger can drop into the water receiving tray through the water through holes.

Optionally, the cabinet air conditioner indoor unit further includes:

the other two upright columns are arranged on the front sides of the two upright columns and the two transverse sides of the air supply assembly; wherein the air supply assembly is arranged to be fixedly connected with the two upright posts and the other two upright posts.

The utility model discloses a set up extra bottom plate between heat exchanger and water collector and supporting the heat exchanger, not only material saving cost still can avoid leading to in the transportation and the use water collector to break because of the water collector bearing, and the comdenstion water outflows.

Further, the utility model discloses an upper plate, wind channel backplate and bottom plate respectively with the top, middle part and the bottom fixed connection of heat exchanger for the heat exchanger is more reliable and more stable, especially can make the even atress of a plurality of connecting fastener when the heat exchanger has great vertical dimension, prolongs the life of fastener.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic cross-sectional view of a cabinet air conditioner indoor unit according to an embodiment of the present invention;

FIG. 2 is a schematic enlarged view of region A in FIG. 1;

figure 3 is a schematic exploded view of the cabinet air conditioning indoor unit of figure 1;

FIG. 4 is a schematic enlarged view of region B in FIG. 3;

FIG. 5 is a schematic side view of the drip tray of FIG. 3;

FIG. 6 is a schematic enlarged view of region C in FIG. 5;

FIG. 7 is a schematic rear view of the cabinet air conditioning indoor unit of FIG. 1 with the back panel removed;

FIG. 8 is a schematic enlarged view of region D in FIG. 7;

FIG. 9 is a schematic enlarged view of region E in FIG. 7;

FIG. 10 is a schematic exploded view of the heat exchange assembly of FIG. 1;

FIG. 11 is a schematic enlarged view of region F in FIG. 10;

fig. 12 is a schematic cross-sectional view of the air guide member of fig. 1, wherein the air-out frame is in an open position;

fig. 13 is a schematic sectional view of the air guide member of fig. 1, in which the outlet frame is in a closed position.

Detailed Description

Fig. 1 is a schematic cross-sectional view of a cabinet type air conditioning indoor unit 100 according to an embodiment of the present invention; fig. 3 is a schematic exploded view of the cabinet air-conditioning indoor unit 100 shown in fig. 1. Referring to fig. 1 and 3, the cabinet air conditioner indoor unit 100 may include a cabinet 110 having a cabinet air inlet and a cabinet air outlet, an air supply assembly disposed in the cabinet 110, a heat exchange assembly 140, and a plurality of columns 150 extending in a vertical direction.

The housing 110 may be defined by a base 111 and a body disposed on the base 111, and the body may include a front panel 113, a guide extension plate 115, two lateral side plates 114, and a rear back plate 112. Wherein the chassis air inlet can be formed in the backplate 112. The airflow guiding extension plate 115 may be disposed below the front panel 113, and the outlet of the casing may include a lower outlet 116 defined by a top end of the airflow guiding extension plate 115 and a bottom end of the front panel 113.

The air delivery assembly may be configured to draw ambient air from the environment surrounding the air inlet of the enclosure and to cause the air to flow toward the air outlet of the enclosure.

The heat exchange assembly 140 may include a heat exchanger 141 for exchanging heat with ambient air. In the illustrated embodiment, the heat exchange assembly 140 may be disposed at the rear side of the air supply assembly, i.e., on the intake air flow path of the air supply assembly.

As is well known to those skilled in the art, the cooling medium pipeline, the plurality of fins fixedly connected to the cooling medium pipeline, and the two tube plates disposed at two lateral sides of the plurality of fins and fixedly connected to the cooling medium pipeline.

In some embodiments, the air supply assembly may include a centrifugal fan 121 and a centrifugal fan 122, an air duct main body 123 for accommodating and supporting the centrifugal fan 121 and the centrifugal fan 122, two air duct shields 124, and an air outlet frame 130.

The centrifugal fans 121 and 122 may be both horizontal double suction centrifugal fans. The centrifugal fan 121 may be configured to blow air upward. The centrifugal fan 122 may be disposed below the centrifugal fan 121 and configured to blow air downward.

The duct main body 123 may be formed with two duct portions that are isolated from each other and extend in opposite directions. Each air duct portion comprises an accommodating section matched with the outer wall of the volute of one centrifugal fan and a flow guide section guiding out airflow blown out by the centrifugal fan. Wherein, two transverse side walls of each air duct part are respectively provided with an airflow inlet at the position corresponding to the air inlet of the fan. The top end of the upper air duct part and the bottom end of the lower air duct part are respectively provided with an airflow outlet.

The air outlet frame 130 may be disposed below the air duct body 123 and communicate with the lower air duct portion to guide the airflow blown out by the centrifugal fan 122 to the lower air outlet 116. In some embodiments, an annular guiding groove may be formed at the top periphery of the air outlet frame 130 for collecting condensed water flowing down from the air duct body 123.

The two duct guards 124 may be disposed at two lateral sides of the duct main body 123, and together with the duct main body 123, enclose a return air channel of the centrifugal fans 121 and 122. The indoor heat exchanger 141 may be disposed in the return air passage.

In some embodiments, the number of the pillars 150 may be four, and the pillars are respectively disposed at both lateral sides of the blowing assembly. The bottom of the upright 150 may be configured to be fixedly connected to the base 111, and the front panel 113, the two lateral side panels 114, and the back panel 112 may surround the four uprights 150.

The two air duct protection plates 124 and the air outlet frame 130 may be configured to be fastened to the air duct main body 123. The duct main body 123 may be disposed to pass through the two duct guards 124 to be tightly connected to the four pillars 150, so that the air supply assembly is stably and reliably fixed in the casing 110.

Fig. 12 is a schematic cross-sectional view of the air guide member of fig. 1, wherein the air-out frame is in an open position; fig. 13 is a schematic sectional view of the air guide member of fig. 1, in which the outlet frame is in a closed position. Referring to fig. 12 and 13, the indoor unit 100 may further include a wind guide member 200 for receiving an air flow blown out by the upper duct portion of the duct main body 123 and guiding the air flow to an indoor environment via a top opening surrounded by the front panel 113, the two lateral side panels 114, and the back panel 112.

The wind guide member 200 may include a housing 210 having a bottom wall and a top wall respectively provided with an air inlet 2111 and an air outlet 2112, a communicating duct 230 fixed in the housing 210 and having an air inlet in butt joint with the air inlet 2111, an air outlet frame 220, and a driving device for driving the air outlet frame 220 to rotate between an open position and a closed position. Wherein the housing 210 may be configured to be fixedly coupled to the four posts 150. The air inlet opening 2111 of the housing 210 may be arranged to interface with the air flow outlet of the upper air duct portion.

The air outlet frame 220 can be configured to cover the air outlet of the communicating air duct 230 in the air duct, when the air outlet frame 220 moves to the open position, the air outlet of the air outlet frame 220 is exposed above the casing 110 through the air outlet 2112 of the casing 210 and the top opening of the casing 110, and forms a continuous air guiding channel together with the upper air duct portion and the communicating air duct 230, so as to guide the air flow forward; when the air-out frame 220 moves to the closed position, the air-out frame 220 is completely located in the housing 210, so as to lower the center of gravity of the whole air conditioner when the air conditioner is not in operation.

The air-out frame 220 can be configured to rotate around a pivot shaft located at the rear side of the air duct, so as to increase the rotation radius of the air duct of the air-out frame 220 around the pivot shaft, thereby reducing the gap between the air-out frame 220 and the communication air duct 230 when the air-out frame is at the open position, and further reducing the overall size of the air guide member 200.

The communicating air duct 230 may be disposed to extend from bottom to top and to front to further reduce a gap between the air outlet frame 220 and the communicating air duct 230 when in the open position.

The air outlet of the air-out frame 220 may be provided with a horizontal swing blade group 251 and a vertical swing blade group 256 for adjusting the flow direction of the air flow in the vertical direction and the lateral direction, respectively. Wherein the yaw blade group 251 may be disposed at the front side of the vertical swing blade group 256.

The driving means may include a gear, a motor 242 drivingly connected to the gear, a mounting box 243 to which the motor 242 is fixed, and a limiting member 244. The limiting member 244 may be configured to be fixedly connected to the air-out frame 220, and is formed with an arc-shaped rack for engaging with the gear to limit a movement path of the air-out frame.

FIG. 2 is a schematic enlarged view of region A in FIG. 1; fig. 5 is a schematic side view of the drip tray 160 of fig. 3. Referring to fig. 2 and 5, the indoor unit 100 may further include a drip tray 160 formed with a recess opened upward. The water pan 160 may be disposed below the heat exchange assembly 140 for receiving the condensed water flowing down from the heat exchanger 141. The bottom of the water pan 160 is provided with a water outlet pipe 161 communicated with the cavity of the water pan 160 so as to lead out the condensed water in the water pan 160.

Particularly, a gap may be left between the water collector 160 and the heat exchange assembly 140 to prevent the water collector 160 from being loaded and broken due to impact of the heat exchange assembly 140 during long-distance transportation of the air conditioner.

In some embodiments, the rear portion of the water collector 160 may be configured to be fastened to two pillars 150 at the rear side, and the front portion may be configured to be fixedly connected to the air outlet frame 130, so as to improve the stability of the water collector 160.

In particular, the two lateral side walls of the recess of the drip tray 160 are arranged in a secure connection with the upright 150. The front of the drip tray 160 is formed with two connecting lugs 164 extending downward from the bottom wall of the cavity for fastening connection with the air-out frame 130.

FIG. 4 is a schematic enlarged view of region B in FIG. 3; fig. 6 is a schematic enlarged view of the region C in fig. 5. Referring to fig. 4 and 6, in some embodiments, both lateral sidewalls of the pocket may each be formed with at least one outwardly projecting square boss 162. Each of the pillars 150 is correspondingly formed with at least one square hole 152, and each of the square protrusions 162 is configured to be fastened with one of the square holes 152, respectively, so as to limit displacement of the drip tray 160 in the vertical direction and the front-rear direction. In the illustrated embodiment, the number of the square protrusions 162 of the drip tray 160 may be two.

One lateral side wall of the cavity may also be formed with a stopper rib 163. A square groove 153 can be correspondingly formed on the rear side column 150, and the limiting rib 163 is clamped with the square groove 153, so as to improve the positioning accuracy of the water pan 160.

FIG. 10 is a schematic exploded view of the heat exchange assembly 140 of FIG. 1; fig. 11 is a schematic enlarged view of the region F in fig. 10. Referring to fig. 10 and 11, in some embodiments, the heat exchange assembly 140 may further include a lower plate 142. The bottom plate 142 may be disposed below the heat exchanger 141 and fixedly connected to the bottoms of the two tube sheets of the heat exchanger 141 and the two rear side pillars 150 to support the heat exchanger 141. The bottom wall of the bottom plate 142 may be provided with a water hole 1421, so that the condensed water flowing down from the heat exchanger 141 drops into the water pan 160 through the water hole 1421.

The lower plate 142 may be formed at both lateral ends thereof with a plurality of square protrusions 1422, respectively. Each of the pillars 150 may be correspondingly formed with a plurality of square holes 151, and each of the square protrusions 1422 is provided to be fastened to one of the square holes 151 to limit displacement of the drain pan 160 in a vertical direction and a front-rear direction. In the illustrated embodiment, the number of square protrusions 1422 of the lower plate 142 may be four.

The heat exchange assembly 140 further includes an upper plate 143. The upper support plate 143 may be configured to be fixedly connected to the top of the two tube sheets and the duct body 123 to improve the stability of the heat exchanger 141.

Specifically, the upper plate 143 may include a connection plate 1431 extending in a transverse direction and two legs 1432 extending downward from both transverse ends of the connection plate 1431. Wherein the connection plate 1431 may be configured to be fixedly connected with the duct main body 123. The two legs 1432 may be arranged in fixed connection with the two tube sheets.

Fig. 9 is a schematic enlarged view of a region E in fig. 7. Referring to fig. 9, two horizontal ends of the connection plate 1431 may be respectively provided with a square hole. The duct main body 123 may be correspondingly formed with two square protrusions 1231, and each square hole is provided to be caught with one square protrusion 1231 to limit the displacement of the upper plate 143 in the vertical and lateral directions with respect to the duct main body 123.

Each leg 1432 may also be formed with a forwardly extending locating projection 1433. Each of the tube plates is correspondingly formed with one positioning hole 133, and each of the positioning protrusions 1433 is provided to be caught with one positioning hole 133 to limit displacement of the upper blade 143 in the vertical direction and the lateral direction with respect to the heat exchanger 141.

The two tube sheets of the heat exchanger 141 may also be configured to be fixedly connected to the two duct shields 124, respectively, to further improve the stability of the heat exchanger 141.

Fig. 7 is a schematic rear view of the cabinet air conditioning indoor unit 100 shown in fig. 1, with the rear back panel 112 removed; fig. 8 is a schematic enlarged view of the region D in fig. 7. Referring to fig. 7 and 8, the duct main body 123 and the rear wall of the drip tray 160 may be formed with a plurality of screw posts 165. The backplate 112 may be correspondingly formed with a plurality of screw holes, and a plurality of screw posts 165 are arranged to respectively pass through the plurality of screw holes and fixedly connect with the backplate 112, so as to improve the stability of the backplate 112 and prevent the backplate 112 from bulging backward.

In some embodiments, the air conditioning indoor unit 100 further includes a temperature sensor 190 for sensing an ambient temperature. The temperature sensor 190 may be fastened to the drip tray 160 to facilitate the installation and positioning of the temperature sensor 190.

The indoor unit 100 may further include a fresh air device 170 and a main control panel 180 disposed below the air supply assembly. The fresh air device 170 can introduce outdoor air into the return air channel and blow the outdoor air to the indoor environment through the centrifugal fan, so that the indoor air quality is improved.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A cabinet air conditioning indoor unit, comprising:

a case forming a case air inlet and a case air outlet;

2. The cabinet air-conditioning indoor unit of claim 1,

a plurality of square bulges are respectively formed at the two transverse ends of the lower supporting plate; and is

3. The cabinet air conditioner indoor unit of claim 1, wherein the heat exchange assembly further comprises:

4. The cabinet air-conditioning indoor unit of claim 3, wherein the upper plate comprises:

5. The cabinet air-conditioning indoor unit according to claim 4, wherein,

a square hole is respectively formed at the two transverse ends of the connecting plate; and is

6. The cabinet air-conditioning indoor unit according to claim 4, wherein,

each support leg is provided with a positioning bulge extending towards the direction close to the heat exchanger; and is

7. The cabinet air conditioner indoor unit of claim 1, wherein the blowing assembly comprises:

8. The cabinet air-conditioning indoor unit according to claim 7,

the shell air outlet comprises a lower air outlet positioned at the lower part of the shell; and is

9. The cabinet air-conditioning indoor unit of claim 1,

a gap is reserved between the lower supporting plate and the water receiving plate; and is

10. The cabinet air-conditioning indoor unit of claim 1, further comprising: