WO2020156279A1 - Cabinet air conditioner indoor unit - Google Patents

Abstract

Disclosed is a cabinet air conditioner indoor unit, comprising a housing (110), and an air supply assembly and four upright columns (170) provided inside the housing (110), wherein the housing (110) comprises a base (111) and a body, and the four upright columns (170) are configured to be fixedly connected to the base (111). The air supply assembly is configured to blow air streams to an indoor environment, and is fixedly connected to the four upright columns (170), so as to improve the stability of the overall structure.

Description

Cabinet type air conditioner indoor unit Technical field

The invention relates to the field of air conditioning, in particular to a cabinet type air conditioner indoor unit.

Background technique

The existing cabinet-type air conditioner indoor unit usually fixes the centrifugal fan directly on the body frame, and forms an air duct cavity with the casing, or directs the airflow to the air outlet by communicating with the guide air duct. The first solution is simple to install, but it can only achieve one-way air supply, and because the cold air flow directly acts on the casing, it is easy to cause condensation on the outer wall of the casing. The second solution can realize air supply in multiple directions by adding centrifugal fans and diversion air ducts, but the production and assembly are complicated, and the splicing of multiple components will cause errors to be superimposed and difficult to repair.

Considering comprehensively, it is necessary to provide a cabinet air conditioner indoor unit with reliable structure, simple assembly and high precision in design.

Summary of the invention

An object of the present invention is to provide a cabinet type air conditioner indoor unit with reliable structure.

A further object of the present invention is to improve the assembly accuracy of the cabinet air conditioner indoor unit.

Another further object of the present invention is to improve the stability of the cabinet air conditioner indoor unit.

In particular, the present invention provides a cabinet-type air conditioner indoor unit, which is characterized in that it includes:

Case, including base and body;

The air supply assembly is arranged in the casing and configured to blow air flow to the indoor environment; and

The four uprights are arranged to be fixedly connected to the base, and the air supply assembly is arranged to be fixedly connected to the four uprights.

Optionally, the fuselage includes a front panel, a back panel, and two lateral side panels;

The front panel, the back panel and the two lateral side panels are enclosed by the four uprights.

Optionally, the air supply assembly includes:

Two double-suction centrifugal fans are arranged at intervals in the vertical direction, and each of the centrifugal fans includes a volute and an impeller arranged in the volute;

The air duct main body includes two air duct parts isolated from each other and extending in opposite directions, the two centrifugal fans are respectively arranged in the two air duct parts, and two lateral side walls of each air duct part An airflow inlet is respectively opened, and an airflow outlet is formed at one end of each air duct part away from the other air duct part; and

Two air duct guard plates are respectively fixed on the lateral sides of the air duct main body, and together with the air duct main body form the return air passages of the two centrifugal fans; wherein

The air duct main body is arranged to pass through the two air duct guard plates and be fixedly connected to the four uprights.

Optionally, the air supply assembly further includes:

The wind guide member is arranged above the air duct main body and is configured to guide the air flow blown by the centrifugal fan on the upper side to the indoor environment; and the wind guide member includes:

The housing is arranged to be fixedly connected to the four uprights, and the bottom wall and the top wall of the housing are respectively formed with an air inlet opening and an air outlet opening, and the air inlet opening is butted with the air flow outlet of the upper air duct part;

The communicating air duct is arranged in the casing, and the air inlet of the air inlet is arranged to be connected to the air inlet opening; and

An air outlet frame component, which includes an air outlet frame formed with an air duct, and the air duct of the air outlet frame is arranged to include the air outlet mask connected to the air duct and can be located around the rear of the casing The fixed axis of the air outlet of the air outlet frame is exposed through the air outlet opening at the open position above the top opening surrounded by the front panel, the back panel and the two lateral side panels, and the air outlet frame Rotating between closed positions completely in the housing; wherein

The two lateral side walls of the housing are respectively formed with a plurality of connecting lugs extending downward, and the plurality of connecting lugs are arranged to be fixedly connected to the air duct main body; and/or

The housing is formed with a plurality of positioning posts, and each of the uprights is correspondingly formed with a positioning groove, and each of the positioning grooves includes a sliding part extending in the front-to-rear direction and from the front or rear of the sliding part. A clamping portion extending downwardly from the positioning slot, the positioning column is configured to be slidable along the sliding portion of the positioning groove to the clamping portion and to be clamped with the clamping portion; and/or

The two lateral side walls of the housing are respectively formed with a plurality of limiting bosses, and the top end of each of the uprights is configured to fit with the bottom wall of one of the limiting bosses; and/or

A plurality of downwardly recessed cavities are formed at the periphery of the air outlet opening, and the tops of the front panel, the back panel and the two lateral side panels are respectively formed with flanges extending in a direction close to the housing And each flange is formed with a plurality of tongues extending downward, and each of the tongues is configured to be engaged with one of the cavity.

Optionally, the fuselage further includes:

The air guide extension plate is arranged below the front panel, and the top end of the air guide extension plate and the bottom end of the front panel enclose the lower air outlet of the cabinet type air conditioner indoor unit; and the air supply assembly Also includes:

The air outlet frame is arranged below the main body of the air duct, and its air inlet is arranged to be butted with the air flow outlet of the lower air duct part, and the air outlet is arranged to be butted with the lower air outlet; wherein

The guide extension plate is arranged to be fixedly connected with the two front columns.

Optionally, the cabinet-type air conditioner indoor unit further includes:

The controller is arranged on the base and located below the air duct main body, and is used to control the operation of the two centrifugal fans; wherein

The controller is configured to be fixedly connected with the base, the air outlet frame and a rear column.

Optionally, the cabinet-type air conditioner indoor unit further includes:

The fresh air device is arranged side by side with the controller in the transverse direction, and is configured to introduce ambient air into the return air passage; wherein

The fresh air device is arranged to be fixedly connected with the base.

Optionally, each of the lateral side panels includes:

Upper side panel

The lower side board is arranged below the upper side board, and its projection on a vertical plane extending in the front-rear direction is arranged to cover the controller.

Optionally, each of the uprights on the front side includes:

The main body extends in the transverse direction, and is arranged to be clamped with the front panel and the guide extension plate;

The front side bending section extends forward from the end of the main body close to the air supply assembly, and is arranged to be firmly connected to the air duct main body; and

The rear side bending section extends rearward from the end of the main body away from the air supply assembly, and is arranged to be firmly connected to the front panel and the flow guiding extension plate and to be clamped to the lower side plate; among them

The upper side plate is arranged to be clamped with the front panel.

Optionally, each rear post includes:

The main body extends in the front-to-rear direction and is arranged to be clamped to the upper side plate and the lower side plate;

The front side bending section and the rear side bending section are arranged to extend from the front and rear ends of the main body to the direction close to the air supply assembly, and the rear side bending section is arranged to be engaged with the back plate Connect; and

The front side extension section and the rear side extension section are arranged to respectively extend forward from an end of the front side bending section away from the main body and extend backward from an end of the rear side bending section away from the main body, and The front side extension section and the rear side extension section are both arranged to be firmly connected to the air duct main body; wherein

The back plate is arranged to be firmly connected to the back extension section.

Optionally, the cabinet-type air conditioner indoor unit further includes:

The heat exchange assembly is arranged on the rear side of the air supply assembly and is fixedly connected with the two rear pillars.

Optionally, the heat exchange assembly includes:

The heat exchanger includes a refrigerant pipeline and two tube plates fixed on the two lateral ends of the refrigerant pipeline;

The lower supporting plate is arranged under the heat exchanger and is fixedly connected with the bottom of the two tube sheets and the two rear pillars; and

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

Optionally, the cabinet-type air conditioner indoor unit further includes:

The water receiving pan is arranged below the heat exchange assembly and is separated from the heat exchanger assembly; wherein

The front part of the water receiving tray is arranged to be fixedly connected to the air blowing assembly, and the rear part is arranged to be fixedly connected to the two rear pillars.

Optionally, the upper part and the lower part of the back plate are respectively arranged to be fixedly connected with the air supply assembly and the water receiving tray.

The cabinet-type air conditioner indoor unit of the present invention has a stable and reliable structure by fixing the air supply components on four uprights, not only has a low failure rate, but also reduces the noise generated when the cabinet is working.

Furthermore, the cabinet-type air conditioner indoor unit of the present invention accommodates and supports two centrifugal fans through an integrated air duct structure. Compared with the technical solution of fixing the centrifugal fan and the guide air duct in the prior art, it is not only easy to manufacture, but also easy to produce. The efficiency is high, the cost is low, and the error stacking caused by the splicing of multiple components can be avoided.

Further, the inventor of the present application creatively designed the air outlet frame so that it always shoots the air outlet mask connected to the air duct into the air duct during the movement between the open position and the closed position, so that the airflow flows continuously. Through the air supply duct and the air outlet frame, it solves the technical problems of the low gas flow rate of the cabinet air conditioner indoor unit with the movable air outlet frame in the prior art, the overall structure is not compact, and the noise is large, and the air conditioner is improved. Wind effect and user experience.

Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will better understand the above and other objectives, advantages and features of the present invention.

Description of the drawings

Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary but not restrictive manner with reference to the accompanying drawings. The same reference signs in the drawings indicate the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the attached picture:

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

Fig. 2 is a schematic enlarged view of area A in Fig. 1;

Fig. 3 is a schematic enlarged view of area B in Fig. 1;

4 is a schematic exploded view of the indoor unit of the cabinet type air conditioner shown in FIG. 1;

FIG. 5 is a schematic enlarged view of area C in FIG. 4;

FIG. 6 is a schematic enlarged view of area D in FIG. 4;

FIG. 7 is a schematic enlarged view of area E in FIG. 4;

FIG. 8 is a schematic enlarged view of area F in FIG. 4;

Figure 9 is a schematic side view of the air duct main body and two centrifugal fans in Figure 1;

Fig. 10 is a schematic rear view of the cabinet-type air conditioner indoor unit shown in Fig. 1 with the back panel removed;

FIG. 11 is a schematic enlarged view of area G in FIG. 10;

FIG. 12 is a schematic enlarged view of area H in FIG. 10;

Figure 13 is a schematic side view of the lower support plate in Figure 2 viewed from back to front;

FIG. 14 is a schematic enlarged view of area I in FIG. 13;

Figure 15 is a schematic side view of the water receiving pan in Figure 2 viewed from back to front;

FIG. 16 is a schematic enlarged view of area J in FIG. 15;

Figure 17 is a schematic cross-sectional view of the air guide member in Figure 1, wherein the air outlet frame part is in an open position;

FIG. 18 is a schematic enlarged view of area K in FIG. 17;

Figure 19 is a schematic side view of the housing in Figure 17;

20 is a schematic cross-sectional view of the air guide member in FIG. 1, in which the air outlet frame part is in a closed position;

Figure 21 is a schematic exploded view of the driving device in Figure 17;

Figure 22 is a schematic side view of the air outlet frame component in Figure 17;

Figure 23 is a schematic exploded view of the air outlet frame component shown in Figure 22;

Figure 24 is a schematic side view of the limiting member in Figure 17;

Fig. 25 is a schematic side view of the lower air outlet frame in Fig. 1;

Fig. 26 is a schematic cross-sectional view of the fuselage in Fig. 1 with the back plate removed;

FIG. 27 is a schematic enlarged view of area L in FIG. 26;

Figure 28 is a schematic cross-sectional view of the fuselage taken from another height, with the back panel removed;

FIG. 29 is a schematic enlarged view of area M in FIG. 28;

Figure 30 is a schematic rear view of the front panel in Figure 4;

FIG. 31 is a schematic enlarged view of area N in FIG. 30;

Fig. 32 is a schematic side view of the guide extension plate in Fig. 1.

detailed description

Fig. 1 is a schematic cross-sectional view of a cabinet-type air conditioner indoor unit 100 according to an embodiment of the present invention; Fig. 4 is a schematic exploded view of the cabinet-type air conditioner indoor unit 100 shown in Fig. 1. 1 and 4, the cabinet-type air conditioner indoor unit 100 may include a cabinet 110, an air supply assembly arranged in the cabinet 110, a heat exchange assembly 150 arranged on an air inlet flow path of the air supply assembly, and a plurality of uprights 170.

The casing 110 may be surrounded by a base 111 and a body disposed on the base 111, and the body may include a front panel 113, an extension plate 115, two lateral side panels, and a back panel 112. The back plate 112 forms an organic shell air inlet. The guide extension plate 115 is disposed under the front panel 113, and the top end of the guide extension plate 115 and the bottom end of the front panel 113 22 enclose the lower air outlet 118 of the casing 110.

The number of the uprights 170 may be four. The four uprights 170 are all set to be fixedly connected to the base 111, and the front panel 113, the back plate 112 and the two lateral side boards are enclosed by the four uprights 170. The guide extension plate 115 may be configured to be fixedly connected to the two front side pillars 170.

The air supply assembly is used to suck in ambient air from the surrounding environment of the air inlet of the cabinet and to promote air flow to the top opening surrounded by the lower air outlet 118 and the front panel 113, the two lateral side panels and the rear back panel 112, respectively. The centrifugal fan 121 and the centrifugal fan 122 are arranged at intervals in the vertical direction, and the air duct main body 130 for receiving and supporting the centrifugal fan 121 and the centrifugal fan 122.

FIG. 9 is a schematic side view of the air duct main body 130 and two centrifugal fans in FIG. 1. Referring to FIG. 9, the air duct main body 130 may be formed with an air duct part 131 and an air duct part 132 which are isolated from each other and extend in opposite directions, and the centrifugal fan 121 and the centrifugal fan 122 may be respectively disposed in the air duct part 131 and the air duct part 132. Each air duct portion may be formed with at least one airflow inlet and one airflow outlet, and the centrifugal fan disposed therein may be configured to suck air from the airflow inlet and promote the air to flow to the airflow outlet.

Specifically, the air duct portion 131 may include an accommodation section 1311 that is shaped to match the outer wall of the volute of the centrifugal fan 121 and a diversion section 1312 extending upward from the air outlet of the centrifugal fan 121. The centrifugal fan 121 is arranged in the containing section 1311. An airflow outlet is formed at the top end of the guiding section 1312.

The air duct portion 132 may include an accommodation section 1321 that is shaped to match the outer wall of the volute of the centrifugal fan 122 and a diversion section 1322 extending downward from the air outlet of the centrifugal fan 122. The centrifugal fan 122 is disposed in the accommodating section 1321. An airflow outlet is formed at the bottom end of the guiding section 1322.

The centrifugal fan 121 and the centrifugal fan 122 can be both horizontally arranged, and two lateral side walls of each centrifugal fan are respectively formed with a fan air inlet to increase the air intake of the centrifugal fan 121 and the centrifugal fan 122. Correspondingly, two lateral side walls of the accommodating section 1311 and the accommodating section 1321 are each formed with an air inlet to expose the fan air inlets of the centrifugal fan 121 and the centrifugal fan 122.

The diversion section 1312 and the diversion section 1322 may be arranged to be smoothly transitionally connected with the volute air ducts of the centrifugal fan 121 and the centrifugal fan 122 to improve the smoothness of the air flow.

The cabinet-type air conditioner indoor unit 100 of the present invention accommodates and supports two centrifugal fans through an integrated air duct structure. Compared with the prior art technical solution of fixing the centrifugal fan and the guide air duct separately, it is not only easy to manufacture, but also has high production efficiency. , The cost is low, and the error stacking caused by the splicing of multiple components can be avoided, and the structure is stable and reliable.

In some embodiments, the accommodating section 1311 and the accommodating section 1321 may be respectively formed with a disassembly opening for disassembling and disassembling the centrifugal fan 121 and the centrifugal fan 122.

The disassembling opening may be formed at a position where the accommodating section is close to the outlet section of the volute of the corresponding centrifugal fan, so as to facilitate disassembling and disassembling the centrifugal fan, and at the same time make the air duct main body 130 have sufficient strength.

The outlet section of the volute of the centrifugal fan 121 and the centrifugal fan 122 may be respectively formed with a disassembly handle 123 to facilitate the disassembly and assembly of the centrifugal fan 121 and the centrifugal fan 122.

Those skilled in the art are well-known to those skilled in the art that the peripheral wall of the volute of a centrifugal fan is composed of a volute section that gradually expands with respect to the outer contour of the impeller, and a volute tongue section and an outlet section respectively extending from both ends of the volute section. The air outlet of the centrifugal fan is formed between the volute tongue section and the outlet section.

Each accommodating section is provided with at least one bayonet, and the bayonet can be arranged to penetrate the accommodating section along the disassembly and assembly direction of the corresponding centrifugal fan. The volute of the centrifugal fan may be correspondingly formed with at least one buckle 126, and the at least one buckle 126 may be configured to be respectively buckled with the at least one bayonet to facilitate the installation and positioning of the centrifugal fan.

A plurality of step grooves 135 may be formed at the lateral periphery of each disassembly opening. The volute of the centrifugal fan may be correspondingly formed with a plurality of connecting protrusions 125, and the plurality of connecting protrusions 125 may be arranged to be respectively fastened and connected to the bottom wall of the plurality of step grooves 135 to improve the stability of the centrifugal fan and facilitate Centrifugal fan repair.

The plurality of step grooves 135 may be arranged to be mirror-symmetrical with respect to the central plane of the corresponding centrifugal fan, so as to further improve the stability of the centrifugal fan.

The air duct main body 130 may further include a connecting part 133 provided between the air duct part 131 and the air duct part 132 and connecting the air duct part 131 and the air duct part 132. The lateral size of the connecting portion 133 can be set to gradually decrease from near to far relative to the disassembly and assembly opening, so as to make the air supply assembly stable and reliable, and save costs.

The air blowing assembly may further include two sheet metal members 134 extending in the vertical direction and connecting the air duct part 131 and the air duct part 132. The two sheet metal parts 134 are respectively arranged on the lateral sides of the air duct portion 131 and the air duct portion 132 and are arranged away from the disassembly opening.

In some embodiments, the outer wall of the volute of the centrifugal fan may be spaced apart from the inner wall of the containing section to form an air isolation belt to prevent condensation on the outer wall of the containing section. In other embodiments, the air blowing assembly may further include two pads. Each liner is arranged between a centrifugal fan and the corresponding air duct part of the centrifugal fan to prevent condensation and reduce vibration. The liner can be attached to the outer wall of the volute of the centrifugal fan in advance.

In some embodiments, the air duct main body 130 may be formed by splicing the air duct half-shell and the vertical plane extending in a front-to-back direction. The splicing plane is preferably the central symmetry plane of the centrifugal fan.

The air supply assembly may further include two air duct guard plates 124 respectively arranged on both lateral sides of the air duct main body 130. The two air duct guard plates 124 and the air duct main body 130 jointly enclose the return air passage of the centrifugal fan 121 and the centrifugal fan 122. The heat exchange assembly 150 may be arranged in the return air passage.

The air supply assembly may be configured to be fixedly connected to the four uprights 170. Specifically, the air duct main body 130 may be arranged to pass through two air duct guard plates 124 and be fixedly connected to the four uprights 170. A square hole may be formed in the upper part and lower part of each front pillar 170 and a square hole may be formed in the upper part of each rear pillar 170, and the air duct main body 130 may be correspondingly formed with a plurality of square protrusions, each The square protrusion is set to be fastened to a square hole to improve the accuracy of installation and positioning of the air supply component.

Fig. 10 is a schematic rear view of the cabinet-type air conditioner indoor unit 100 shown in Fig. 1 with the rear back plate 112 removed. Referring to FIG. 10, in some embodiments, the heat exchange assembly 150 may be configured to be fixedly connected to the two rear pillars 170. Specifically, the heat exchange assembly 150 may include a heat exchanger 151 for heat exchange with ambient air, a lower support plate 152 disposed below the heat exchanger 151, and an upper support plate 153. Those skilled in the art are familiar with the refrigerant pipeline, a plurality of fins fixedly connected to the refrigerant pipeline, and two tube plates arranged on the lateral sides of the plurality of fins and fixedly connected to the refrigerant pipeline.

Fig. 13 is a schematic side view of the lower support plate 152 in Fig. 2 viewed from back to front; Fig. 14 is a schematic enlarged view of the area I in Fig. 13. Referring to FIGS. 13 and 14, the lower support plate 152 may be arranged to be fixedly connected to the bottom of the two tube sheets of the heat exchanger 151 and the two rear side uprights 170 to support the heat exchanger 151.

A plurality of square protrusions 1522 may be formed on both lateral ends of the lower support plate 152. Each upright 170 may be formed with a plurality of square holes 171 correspondingly, and each square protrusion 1522 is configured to be fixed to one square hole 171 to limit the displacement of the lower support plate 152 in the vertical direction and the front-rear direction. In the illustrated embodiment, the number of square protrusions 1522 of the lower support plate 152 may be four.

FIG. 11 is a schematic enlarged view of area G in FIG. 10. Referring to FIG. 11, the upper support plate 153 may be arranged to be fixedly connected with the tops of the two tube sheets and the air duct main body 130 to improve the stability of the heat exchanger 151.

The upper support plate 153 may include a connecting plate 1531 extending in a transverse direction and two supporting legs 1532 extending downward from both lateral ends of the connecting plate 1531. The connecting plate 1531 can be arranged to be fixedly connected with the air duct main body 130. The two supporting legs 1532 can be configured to be fixedly connected to the two tube plates.

The air duct main body 130 can be formed with two square protrusions 136 correspondingly, and each square hole is configured to be fixed with one square protrusion 136 to define the upper support plate 153 relative to the air duct main body in the vertical and lateral directions. 130 displacement.

Each leg 1532 can also be formed with a positioning protrusion 1533 extending backward. Each tube plate is correspondingly formed with a positioning hole 1511, and each positioning protrusion 1533 is configured to be fixed to a positioning hole 1511 to define the upper pallet 153 relative to the heat exchanger 151 in the vertical and lateral directions. Displacement.

The two tube plates of the heat exchanger 151 can also be arranged to be fixedly connected to the two air duct guard plates 124 respectively to further improve the stability of the heat exchanger 151.

Fig. 12 is a schematic enlarged view of area H in Fig. 10. Referring to FIG. 12, the heat exchange assembly 150 may further include a temperature sensor 154 for sensing the ambient temperature. The temperature sensor 154 can be fastened to the water tray 160 to facilitate the installation and positioning of the temperature sensor 154.

Fig. 2 is a schematic enlarged view of area A in Fig. 1; Fig. 15 is a schematic side view of the water receiving tray 160 in Fig. 2 viewed from back to front. Referring to FIGS. 2 and 15, in some embodiments, the air conditioner indoor unit 100 may further include a water receiving tray 160 formed with an upwardly opening cavity. The water receiving tray 160 may be arranged under the lower support plate 152 to receive the condensed water flowing down from the heat exchanger 151.

The bottom wall of the lower support plate 152 may be provided with a water passing hole 1521 so that the condensed water flowing down the heat exchanger 151 drips into the water receiving tray 160 through the water hole 1521. The bottom of the water receiving tray 160 is provided with a water outlet pipe 161 communicating with the cavity to drain the condensed water in the water receiving tray 160.

In particular, a gap may be left between the water receiving tray 160 and the lower support plate 152 of the heat exchange assembly 150 to prevent the water receiving tray 160 from being broken due to the impact of the heat exchange assembly 150 during long-distance transportation of the air conditioner.

In some embodiments, the rear part of the water receiving tray 160 may be arranged to be firmly connected to the two uprights 170 located on the rear side, and the front part may be arranged to be fixedly connected to the air supply assembly to improve the stability of the water receiving tray 160 .

Specifically, the two lateral side walls of the cavity of the water receiving tray 160 are arranged to be firmly connected to the upright 170. Two connecting lugs 164 extending downwardly from the bottom wall of the cavity are formed on the front of the water receiving tray 160, which are used to securely connect with the air supply assembly.

6 is a schematic enlarged view of area D in FIG. 4; FIG. 16 is a schematic enlarged view of area J in FIG. 15. Referring to FIGS. 6 and 16, the two lateral side walls of the cavity may each be formed with at least one square protrusion 162 protruding outward. Each upright 170 is correspondingly formed with at least one square hole 172, and each square protrusion 162 is configured to be fixed to one square hole 172 to limit the displacement of the water receiving tray 160 in the vertical direction and the front and rear directions. In the illustrated embodiment, the number of the square protrusions 162 of the water receiving tray 160 may be two.

A limiting rib 163 may also be formed on a lateral side wall of the cavity. A rear column 170 may be formed with a square groove 173 correspondingly, and the limiting rib 163 is configured to be fixed to the square groove 173 to improve the positioning accuracy of the water tray 160.

Referring to FIG. 1, in some embodiments, the air supply assembly may further include an air guide member 200 and an air outlet frame 140. The air guide member 200 and the air outlet frame 140 are respectively arranged above and below the air duct main body 130.

The air guiding member 200 is in communication with the guiding section 1312, and together with the guiding section 1312 forms a guiding air duct for guiding the airflow blown by the centrifugal fan 121 to the indoor environment through the upper air outlet. The air outlet frame 140 can communicate with the diversion section 1322, and together with the diversion section 1322 form a diversion air duct that diverts the airflow blown by the centrifugal fan 122 to the indoor environment through the lower air outlet 118.

In particular, the volute outlet section of the centrifugal fan 121 and the centrifugal fan 122 are both located on the front side of their volute tongue section, and the guide air ducts of the centrifugal fan 121 and the centrifugal fan 122 can be set to protrude backward as a whole to make While the airflow is flowing smoothly, the airflow is fully mixed in the guide air duct to improve the uniformity of the airflow velocity.

Fig. 17 is a schematic cross-sectional view of the air guide member in Fig. 1 with the air outlet frame part in an open position; Fig. 20 is a schematic cross-sectional view of the air guide member in Fig. 1 with the air outlet frame part in a closed position. Referring to Figures 17 and 20, in some embodiments, the air guide member 200 may include a housing 210 with an air inlet opening 2111 and an air outlet opening 2112 opened on a bottom wall and a top wall, respectively, fixed in the housing 210 and having an air inlet The communicating air duct 230 butted with the air inlet opening 2111, the air outlet frame member 220, and a driving device for driving the air outlet frame member 220 to rotate between the open position and the closed position. The air inlet opening 2111 of the housing 210 may be arranged to be connected to the air outlet of the upper air duct.

The air outlet frame component 220 may include an air outlet frame 221 formed with an air duct for receiving the air flow blown from the communicating air duct 230. The air outlet frame 221 can be configured to install the air outlet mask connected to the air duct 230 in the air duct. When the air outlet frame 221 moves to the open position, the air outlet of the air outlet frame 221 passes through the air outlet opening 2112 of the housing 210 and The top opening of the casing 110 is exposed above the casing 110 and forms a continuous air guide channel together with the upper side air duct and the communicating air duct 230 to lead the air flow forward; when the air outlet frame 221 moves to the closed position, The air outlet frame 221 is completely inside the casing 210 to lower the center of gravity of the whole machine when the air conditioner is not working.

In some embodiments, the air outlet frame component 220 may further include an elastic sealing ring 225 fixed at the air inlet of the air outlet frame 221 to seal the air outlet frame 221 and the communicating air duct 230 when the air outlet frame 221 is in the open position. The gap between.

The air outlet frame member 220 can be configured to rotate around a fixed axis fixed to the rear of the housing 210. The fixed axis can be located on the back side of the air duct of the air outlet frame 221 to increase the radius of rotation of the air duct of the air outlet frame 221 around the fixed axis, thereby reducing the distance between the air outlet frame 221 and the communicating air duct 230 when the air outlet frame 221 is in the open position , Thereby reducing the overall size of the wind guide member 200.

The communicating air duct 230 may be arranged to extend upward and forward to further reduce the gap between the air outlet frame 221 and the communicating air duct 230 when the air outlet frame 221 is in the open position.

Fig. 21 is a schematic exploded view of the driving device in Fig. 17. Referring to FIG. 21, the driving device may include a gear 241, a motor 242 drivingly connected to the gear 241, and a mounting box 243 for fixing the motor 242. The air outlet frame component 220 may further include a limiting member 222 fixedly connected to the air outlet frame 221. The limiting member 222 is formed with an arc-shaped rack 2222 for meshing with the gear 241 to define the movement path of the wind frame 221.

In the cabinet-type air conditioner indoor unit 100100 of the present invention, the limiting member 222 formed with the curved rack 2222 is fixed to the air outlet frame 221, and the motor 242 is fixed to the housing 210. Compared with fixing the curved rack 2222 to the housing The body 210 and the motor 242 are fixed to the air outlet frame 221, which avoids the superimposition of the vibration of the motor 242 and the movement of the air outlet frame 221 which aggravate the vibration of the gear 241, thereby improving the stability of the movement of the air outlet frame 221 and extending the gear The service life of 241 and curved rack 2222.

In some embodiments, in order to avoid excessive engagement between the gear 241 and the arc-shaped rack 2222 due to the thermal expansion of the air outlet frame 221, the pivot hole of the air outlet frame 221 and the fixed shaft can be arranged to be opposite to each other. The fixed shaft moves in the radial direction of the fixed shaft to realize automatic adjustment of the position of the arc-shaped rack 2222.

Fig. 24 is a schematic side view of the limiting member in Fig. 17. Referring to FIG. 24, the limiting member 222 may include a mounting plate 2221 and an arc-shaped rack 2222 for fixed connection with the air outlet frame 221. The arc-shaped rack 2222 can be arranged to extend from the mounting plate 2221 to the direction of the gear 241, and the surface of the mounting plate 2221 is perpendicular to the surface of the mounting plate 2221 with teeth formed thereon.

In some embodiments, the limiting member 222 may further include a rib 2223. The rib 2223 can be arranged opposite to the arc-shaped rack 2222 and sandwich the gear 241 between it and the arc-shaped rack 2222. The base may be formed with an anti-dropping stop and an anti-seizing stop extending toward the limiting member 222. The curved rack 2222 and the rib 2223 can be arranged between the anti-dropping stop and the anti-seizing stop to prevent the gear 241 from disengaging from the curved rack 2222 or the gear 241 and the curved rack 2222 engage too much.

At least one roller 2432 may be provided for the anti-falling stopper and the anti-seizing stopper respectively. The rotation axis of each roller 2432 can be parallel to the rotation axis of the gear 241, and is rotatably connected with a corresponding stop, so as to reduce the movement resistance of the air outlet frame 221.

The limiting member 222 may further include an upper limiting plate 2224 connecting the arc-shaped rack 2222 and the top end of the rib 2223 and a lower limiting plate 2225 connecting the arc-shaped rack 2222 and the bottom end of the rib 2223. The base may also be formed with a baffle plate 2431 that is arched from the top peripheral edge and the bottom peripheral edge of the mounting hole of the mounting gear 241 toward the stopper 222. The upper limit plate 2224 can be configured to contact and cooperate with the baffle 2431 when the air outlet frame 221 moves to the closed position, so as to prevent the air outlet frame 221 from rotating down and out of position. The lower limit plate 2225 may be configured to contact and cooperate with the baffle 2431 when the air outlet frame 221 moves to the open position, so as to prevent the air outlet frame 221 from rotating upwardly and excessively.

In the present invention, the number of the limiting member 222 and the driving device is preferably two, so as to further improve the stability of the movement of the air outlet frame 221. The two limiting members 222 are respectively fixedly connected to the two lateral side plates of the air outlet frame 221. The gear 241 of each driving device is configured to mesh with an arc-shaped rack 2222 of a limiting member 222.

The gears 241 of the two driving devices can both be arranged between the two limiting members 222, that is, the arc-shaped rack 2222 of each limiting member 222 extends in a direction close to the other limiting member 222 to avoid dust falling Increase movement resistance between the teeth.

A maintenance opening 214 can also be opened on the front of the housing to facilitate maintenance of the driving device.

Fig. 22 is a schematic side view of the air outlet frame member in Fig. 17; Fig. 23 is a schematic exploded view of the air outlet frame member shown in Fig. 22. Referring to FIGS. 22 and 23, in some embodiments, the air outlet frame component 220 may further include two transverse decorative panels 223. Each lateral decorative plate 223 can be fixedly connected to a lateral side plate of the air outlet frame 221 and cover a part of the limiting member 222 to further prevent dust from falling between the teeth and increasing movement resistance.

In some embodiments, the air outlet frame component 220 may further include a top cover 224. The top cover 224 may be fixedly connected to the air outlet frame 221 and close the top opening of the casing 110110 when the air outlet frame 221 is in the closed position to prevent dust from falling into the casing 110110.

Each lateral side panel may include a trim main body 2231 and a flange 2232. The trim main body 2231 can be set to be fixedly connected to a lateral side plate of the air outlet frame 221 and cover a part of the limiting member 222. The flange 2232 may be arranged to extend from the top of the trim main body 2231 in a direction away from the air outlet frame 221 and be fastened to the air outlet frame 221. The top cover 224 can be set to be fastened to the flange 2232 to improve the stability of the top cover 224 and prevent the top cover 224 from bulging.

The top cover 224 and the two horizontal decorative plates 223 can be separated from the air outlet frame 221 to form a cavity temperature insulation zone between the air outlet frame 221 and the top cover 224 and the horizontal decorative plates 223 to prevent the ambient air from directly contacting the air outlet The frame 221 generates condensed water on the outer surface of the air outlet frame 221. A heat insulation pad can also be arranged in the cavity to further avoid condensation water on the outer surface of the air outlet frame 221.

In some embodiments, the air outlet frame component 220 may further include a horizontal swing blade group 227 and a vertical swing blade group 228 disposed at the air outlet of the air outlet frame 221 for adjusting in the vertical direction and the horizontal direction, respectively. The direction of air flow. Among them, the horizontal swing leaf group 227 can be arranged on the front side of the vertical swing leaf group 228.

FIG. 18 is a schematic enlarged view of area K in FIG. 17. Referring to FIG. 18, in some embodiments, the bottom wall of the housing 210 may be formed with an upwardly opening diversion groove 212 for receiving the condensed water flowing down from the air outlet frame 221 and the communicating air duct 230 and draining the condensed water. Wherein, the diversion groove 212 may be formed at the periphery of the air inlet opening 2111. The outer side wall of the diversion groove 212 may be arranged to extend from top to bottom to facilitate the inflow of condensed water.

A skirt 232 extending downward may be formed at the periphery of the air inlet of the communicating air duct 230, and the skirt 232 may be sleeved on the top end of the upper air duct to receive the air flow blown from the centrifugal fan 121.

The skirt 232 may be configured to cooperate with the peripheral wall of the air inlet opening 2111 to limit the displacement of the communicating air duct 230 in the horizontal direction. The peripheral edge of the air inlet of the communicating air duct 230 may be set on the top of the inner side wall of the diversion groove 212 so that the condensed water on the outer wall of the communicating duct 230 can flow into the diversion groove 212.

A plurality of downwardly extending hooks 231 may also be formed at the periphery of the air inlet of the communicating air duct 230. The bottom wall of the diversion groove 212 can be provided with a plurality of bayonet openings 213 correspondingly, and the plurality of undercuts 231 can be arranged to pass through the plurality of bayonet openings 213 to be clamped with the bottom wall of the diversion groove 212 to be in a vertical direction. The displacement of the connecting air duct 230 is limited, and the stability of the connecting air duct 230 is further improved. Among them, a plurality of barbs 231 are all arranged on the outside of the skirt 232. Each undercut 231 can be configured to be clamped with a part of the bottom wall of the diversion groove 212 outside the bayonet 213 to prevent the condensed water from flowing out of the bayonet 213.

In some embodiments, in order to prevent condensation on the outer wall of the air outlet frame 221 from falling on the motor 242 covered by the projection, the air outlet frame component 220 may further include a deflector 226 arranged at the bottom of the air outlet frame 221 to remove The condensed water on the outer wall of the wind frame 221 is guided to a specific location. The specific position may be any position other than the projection of the motor 242 on the horizontal plane.

Specifically, the air guide 226 may include a plurality of air guide ribs 2251 extending downward from the front peripheral edge of the air inlet of the air outlet frame 221 to divert the condensation water above the motor 242 to the aforementioned specific position.

Each diversion rib 2251 can be arranged to extend in the transverse direction, and it extends in the vertical direction from its transverse ends to the middle, so as to condense the condensed water on the diversion rib 2251 on the diversion rib 2251 The lowest point (the bottom end of the middle), drips from the lowest point to a specific location.

A plurality of guide ribs 2251 distributed in the front and rear directions are arranged above each motor 242 to further improve the safety of the cabinet.

The air guide 226 may further include a mounting portion 2252 in a ring shape and fixedly connected to the air outlet frame 221, and the air guide rib 2251 may be arranged to extend downward from the bottom of the mounting portion 2252. The elastic sealing ring 225 can be sandwiched between the mounting portion 2252 and the air outlet frame 221, that is, the elastic sealing ring 225 is fixed on the air outlet frame 221 through the air guide 226.

Fig. 3 is a schematic enlarged view of area B in Fig. 1. 3, in some embodiments, the top end of the front wall of the housing 210 may be formed with a windshield rib 218 extending forward, which is configured to be located behind the top end of the front panel 113 when the air outlet frame 221 is in the open position. In order to form a thermal insulation layer, the cold air blown by the air outlet frame 221 is prevented from directly blowing on the top of the front panel 113, and condensation water is formed on the top of the front panel 113. Wherein, the projection of the front panel 113 on a vertical plane extending in the transverse direction may be set to completely cover the windshield rib 218.

The air outlet frame 221 may also be formed with windshield ribs 2211 extending toward the inner wall of the housing 210 to prevent the air in the gap between the air outlet frame 221 and the housing 210 from flowing together under the air flow blown from the air outlet frame 221 , The formation of cold and hot air flow converge to produce condensed water.

The windshield rib 2211 can be arranged such that the top edge of the outer end of the windshield frame 221 is located in the air outlet opening 2112 of the housing 210 when the air outlet frame 221 is in the open position. In other words, the plane of the top edge of the outer end of the windshield rib 2211 is coplanar with the air outlet opening 2112 of the housing 210, so as to prevent the windshield rib 2211 from being exposed while reducing condensation.

The windshield rib 2211 may at least include a forward windshield portion. The front windshield may be set to extend from the lower peripheral edge of the air outlet of the air outlet frame 221 to the front wall of the housing 210 to prevent the air at the front side gap between the air outlet frame 221 and the housing 210 from being blown out The air flow blown from the frame 221 flows together under the drive.

The front windshield portion may be arranged to extend upwardly and obliquely from the back to the front to prevent the air flow blown out by the air outlet frame 221 from flowing into the housing 210 through the gap between the air outlet frame 221 and the front side of the housing 210 when the air outlet frame 221 blows air downward.

The windshield rib 2211 may also include two transverse windshields. The two lateral wind shields may be arranged to extend from the two lateral side walls of the air outlet frame 221 to the corresponding lateral side walls of the housing 210 to further prevent the gas in the lateral gap between the air outlet frame 221 and the housing 210 The air flow blown by the air outlet frame 221 flows together under the drive.

The size of each lateral windshield in the front-rear direction may be 1/5 to 1/2 of the size of the lateral side wall of the housing 210 in the front-rear direction, such as 1/5, 1/3, 2/5, or 1/2 to reduce the condensate formed at the gap while saving costs.

Fig. 19 is a schematic side view of the housing in Fig. 17. Referring to FIG. 19, the two lateral side walls of the housing 210 may be respectively formed with a plurality of connecting lugs 215 extending downward, and the plurality of connecting lugs 215 may be arranged to be fixedly connected to the air duct main body 130. In some embodiments, each connecting lug 215 may be provided with an oblong hole extending in the vertical direction, and a fastener may pass through the oblong hole to fasten the connecting lug 215 with the air duct main body 130. In order to adjust the position of the housing 210 in the vertical direction.

The housing 210 may be configured to be fixedly connected to the four uprights 170. The housing 210 may be formed with a plurality of positioning posts. Each upright 170 may be formed with a positioning groove 174 correspondingly, and a plurality of positioning pillars are arranged to be fixed to the plurality of positioning grooves 174 to position the housing 210 and the upright 170 for a fixed connection.

Each positioning slot 174 may include a sliding part and a clamping part extending perpendicularly to each other, and the positioning post is arranged to be slidable along the sliding part of the positioning groove 174 to the clamping part and to be clamped with the clamping part. The installation is simple and reliable. High, the positioning of the housing 210, the air duct main body 130, and the column 170 can be realized simultaneously through the clamping structure.

In some embodiments, the sliding portion may be configured to extend in the front-rear direction, and the clamping portion may be configured to extend downward from the front end or the rear end of the sliding portion to limit the displacement of the housing in the front-rear direction. In the illustrated embodiment, each clamping portion is configured to extend downward from the front end of the corresponding sliding portion, so as to facilitate the clamping operation between the positioning column and the positioning slot 174.

The two lateral side walls of the housing 210 may be respectively formed with at least one limiting boss 216, and the top end of each column 170 may be configured to cooperate with the bottom wall of one limiting boss 216 to define the housing in the vertical direction. The displacement of the body 210.

Fig. 5 is a schematic enlarged view of area C in Fig. 4. Referring to Figures 5 and 19, a plurality of downwardly recessed cavities 217 may be formed at the periphery of the air outlet opening 2112, and the tops of the front panel 113, the rear back panel 112 and the two lateral side panels may be respectively formed with a shell facing The flanges 119 extending in the direction of the body, and each flange 119 may be formed with a plurality of downwardly extending latching tongues 1191. Each latching tongue 1191 may be configured to engage with a cavity 217 to facilitate the front panel 113 and the rear panel. Installation of the back panel 112 and the two lateral side panels.

Fig. 25 is a schematic side view of the lower air outlet frame in Fig. 1. Referring to FIG. 25, in some embodiments, the air outlet frame 140 may be formed with a water guiding groove 141 for collecting condensed water flowing down from the outer wall of the air duct main body 130. The present invention creatively splits the integrated air duct into two upper and lower parts (diversion section 1322 and air outlet frame 140), and sets a water diversion groove 141 in the air outlet frame 140 to receive the condensed water flowing down from the diversion section 1322, It avoids the use of padding and foam in a large area, and has a simple structure and high safety. The water guiding groove 141 may be formed at the periphery of the air inlet of the air outlet frame 140 so that all the condensed water on the outer wall of the guiding section 1322 falls into the water guiding groove 141.

The water guiding groove 141 may be arranged above the water receiving tray 160 and extend obliquely downward from front to back to divert the condensed water therein to the water receiving tray 160. A water outlet 142 may be opened at the lowest part of the rear wall of the water guiding groove 141. The projection of the air outlet on the horizontal plane can be completely inside the water receiving tray 160 so that the condensed water in the water guiding groove 141 drips into the water receiving tray 160 through the water outlet 142. In other embodiments, the water outlet 142 may also be opened at the lowest part of the bottom wall of the water guiding groove 141.

FIG. 32 is a schematic side view of the guide extension plate 115 in FIG. 1. Referring to FIG. 32, in some embodiments, the front wall of the guide extension plate 115 may be formed with a guide surface extending forward from top to bottom, and the bottom end of the guide surface may be set to be substantially horizontal to increase the indoor The air supply distance of the machine 100 avoids the airflow blowing to the ground, causing dust on the ground to float, and causing condensation on the ground when the air conditioner is running.

The angle between the extension direction (tangential direction) of the bottom end of the deflector surface of the deflector extension plate 115 and the horizontal plane can be 0-5°. For example, the extension direction of the bottom end of the deflector surface is inclined 5° upward from the back to the front. Tilt 0° upwards from back to front (i.e. horizontal direction), tilt 3° downwards from back to front, tilt 5° downwards from back to front, etc.

The guide surface can be set to gradually increase the angle between it and an imaginary plane extending in the transverse direction and the vertical direction from top to bottom, so as to reduce wind resistance and make the flow of air flow smoother. Wherein, the top end of the guide surface can be set to be substantially vertical.

The angle between the extension direction of the top end of the deflector surface of the deflector extension plate 115 and the horizontal plane may be 0-3°, for example, the extension direction of the top end of the deflector surface is inclined 3° forward from top to bottom, from top to bottom Tilt forward 2°, tilt forward 1° from top to bottom, tilt forward 0° from top to bottom (ie vertical direction), etc.

The guide surface of the guide extension plate 115 can be set to extend forward smoothly from the middle to its lateral ends, so that the heat exchange gas is more concentrated on the front side of the middle of the guide extension plate 115, thereby enhancing the guide extension plate The diversion effect of 115 further increases the air supply distance.

The deflector surface may be formed with a plurality of deflector ribs 1151 extending from top to bottom to guide the airflow, avoid excessive turbulence when the airflow hits the deflector extension plate 115, and reduce the gas kinetic energy loss.

The distance between every two adjacent guide ribs 1151 in the transverse direction may be set to gradually increase from top to bottom, so as to increase the air supply range of the indoor unit 100 in the transverse direction.

The top end of the guide surface may be arranged behind the front panel 113 so that when the air-conditioning indoor unit 100 is viewed from the front to the back, the lower air outlet is hidden behind the front panel 113.

The top of the flow guiding extension plate 115 may be formed with a downwardly recessed clamping groove, and the clamping groove may be configured to clamp the bottom end of the air outlet frame 140 in the groove body to connect the air outlet frame 140 and the flow guiding extension plate 115. The inner wall of the air outlet frame 140 may be arranged to be smoothly connected to the flow guiding surface of the flow guiding extension plate 115 to reduce wind resistance and improve the smoothness of air flow.

In some embodiments, the cabinet type air conditioner indoor unit 100 may further include a controller 190 and a fresh air device 180 which are disposed on the base 111 and located below the air duct main body 130. Among them, the controller 190 is used to control the centrifugal fan 121, the centrifugal fan 122, the driving device and the heat exchanger 151 to work. The fresh air device 180 is configured to introduce ambient air into the return air channel to improve the air quality of the indoor environment.

The controller 190 can be configured to be fixedly connected to the base 111, the air outlet frame 140 and a rear pillar 170. The base 111 may be formed with a plurality of hooks bent and extended upward, and the front part of the fresh air device 180 may be correspondingly formed with a plurality of bayonet openings, and each hook is configured to be engaged with one bayonet opening. The rear part of the fresh air device 180 may be arranged to be firmly connected to the base 111.

The controller 190 and the fresh air device 180 may be arranged side by side in the lateral direction. Each lateral side plate may include an upper side plate 1141 and a lower side plate 1142 disposed under the upper side plate 1141. The projection of the lower side plate 1142 on a vertical plane extending in the front-to-rear direction can be set to cover the controller 190 and the fresh air. The device 180 facilitates the maintenance of the controller 190 and the fresh air device 180.

FIG. 7 is a schematic enlarged view of area E in FIG. 4. Referring to FIG. 7, in some embodiments, each front side pillar 170 may include a main body 1711 extending in the transverse direction, a front bending section 1712 extending forward from an end of the main body 1711 close to the air supply assembly. The front end of the folding section 1712 extends in the direction of the reinforcing rib 1713 close to the air blowing assembly, and the rear bending section 1714 extending backward from the end of the main body 1711 away from the air blowing assembly.

Specifically, the front panel 113 and the guide extension plate 115 may be configured to be snap-fitted to the main body 1711. Wherein, the front panel 113 may be formed with a hook extending backward and bending downward. The guide extension plate 115 may be formed with a hook extending backward and bending upward.

The air duct main body 130 may be arranged to be firmly connected to the front bending section 1712. The front side bending section 1712 of the reinforcing rib 1713 is used to enhance the overall strength of the front side pillar 170.

The front panel 113 and the flow guide extension plate 115 may be further arranged to be firmly connected to the rear bending section 1714 to further improve the stability of the front panel 113 and the flow guide extension plate 115.

The upper side plate 1141 and the lower side plate 1142 may be configured to be clamped to the front panel 113 and the rear bending section 1714 respectively. Wherein, the front panel 113 may be formed with a plurality of bayonet openings, and the upper side plate 1141 can correspondingly be formed with a plurality of hooks extending forwardly and bent downwardly, and each hook is configured to be engaged with a bayonet opening. The lower side plate 1142 may be formed with a hook extending in a direction close to the air blowing assembly and bent forward.

FIG. 8 is a schematic enlarged view of area F in FIG. 4. 6 and 8, in some embodiments, each rear upright 170 may include a main body 1721 extending in the front-to-rear direction, bending the front side extending from the front and rear ends of the main body 1721 to the direction close to the air supply assembly. Section 1724 and the rear side bending section 1722, the front side extension section 1725 extending forward from the end of the front side bending section 1724 away from the main body 1721, and the rear side extending backward from the end of the rear side bending section 1722 away from the main body 1721 Extension section 1723.

Specifically, the upper side plate 1141 and the lower side plate 1142 may be configured to be engaged with the main body 1721. Wherein, the upper side plate 1141 may be formed with a hook extending in a direction close to the air blowing assembly and bent downward. The lower side plate 1142 may be formed with a hook extending in a direction close to the air blowing assembly and bent forward.

The back plate 112 may be configured to be clamped with the back bending section 1722. Wherein, the back plate 112 may be formed with a hook extending forward and bent downward.

The air duct main body 130 may be arranged to be firmly connected to the front side extension section 1725 and the rear side extension section 1723. The back plate 112 may be configured to be firmly connected to the rear extension 1723.

A plurality of screw posts 165 may be formed on the rear wall of the air duct main body 130 and the water receiving tray 160. The back plate 112 may correspondingly be formed with a plurality of screw holes, and the plurality of screw posts 165 are arranged to respectively pass through the plurality of screw holes and be fixedly connected to the back plate 112 to improve the stability of the back plate 112 and avoid the back plate 112 bulges backward.

FIG. 26 is a schematic cross-sectional view of the fuselage in FIG. 1 with the rear back plate 112 removed; FIG. 27 is a schematic enlarged view of area L in FIG. 26; FIG. 28 is a schematic view of the fuselage taken from another height A cross-sectional view with the back plate 112 removed; FIG. 29 is a schematic enlarged view of the area M in FIG. 28. Referring to Figures 26 to 29, in some embodiments, the fuselage may further include two side moldings 116 respectively disposed at the lateral ends of the front panel 113 to eliminate the splicing between the front panel 113 and the two lateral side panels. Gap.

Specifically, the side molding 116 may include a molding main body 1161 and a clamping portion 1162. Among them, the main body 1161 of the decorative strip can be arranged on the outer side of the front panel 113 and the lateral side panels, and cover a lateral end edge of the front panel 113 and the front end edge of the corresponding lateral side panel, so that the front panel 113 and the lateral side panel The splicing gap between is completely inside the molding main body 1161. The clamping portion 1162 may be arranged to extend inward from the middle portion of the molding main body 1161 and be sandwiched between the front panel 113 and the lateral side panels.

In the present invention, the front panel 113 is composed of a lining plate 1132 and a decorative plate 1131 arranged outside the lining plate 1132. The outer side of the decorative plate 1131 is the outer side of the front panel 113.

In some embodiments, the clamping portion 1162 of the side molding 116 can be arranged to be fastened and connected to the liner 1132 of the front panel 113 by a plurality of fasteners, and then connected to the lateral side plate to improve the chassis 110 Assembly efficiency.

The clamping portion 1162 may be formed with a plurality of through holes 1165 in its length direction, and a plurality of fasteners respectively pass through the plurality of through holes 1165 of the clamping portion 1162 and are fastened to the lateral ends of the front panel 113. Among them, a through hole 1165 is a perfect circular hole shaped to match a fastener, and a positioning groove 1166 penetrating the clamping portion 1162 in the front-rear direction can be formed at its periphery, and the lateral end of the front panel 113 can be correspondingly formed with The positioning protrusions are used for positioning the installation of the decorative strip 116 by clamping the positioning protrusions with the positioning grooves 1166.

The positioning groove 1166 may be composed of two parts that are spaced apart in the vertical direction and extend horizontally, so as to facilitate the clamping and positioning of the positioning protrusion and the positioning groove 1166 while avoiding the side molding 116 from deviating to the lateral sides during the installation process. oblique.

The other through holes 1165 of the clamping portion 1162 for fastening with the front panel 113 may be rectangular holes extending in the vertical direction to facilitate the installation of fasteners. The perfect circular through hole 1165 can be arranged above, in the middle or below the plurality of rectangular holes. In the illustrated embodiment, one perfect circular through hole 1165 is provided under the five rectangular holes.

The side molding 116 may further include a clamping arm 1164 extending forward from the clamping portion 1162, and the clamping arm 1164 is configured to clamp the lateral end of the front panel 113 between it and the molding main body 1161 to further facilitate the side The decorative strip 116 is fastened to the front panel 113.

The clamping portion 1162 can form a free end on the inner side of the clamping arm 1164. During the clamping process of the side molding 116 and the side molding 116, the clamping portion 1162 can be rotated back and forth to indirectly adjust the clamping arm 1164 and the molding main body 1161. The distance between the two sides further improves the installation efficiency of the side molding 116.

The side molding 116 may further include a clamping arm 1163 extending backward from the clamping portion 1162, and the clamping arm 1163 is configured to clamp the front end of the lateral side plate between it and the molding main body 1161 to improve the side Reliability of molding 116.

The molding strip main body 1161 can be configured to extend inward from the clamping portion 1162 to its front end, and from the clamping portion 1162 to its rear end, so as to improve the reliability of its clamping with the front panel 113 and the lateral side plates.

FIG. 30 is a schematic rear view of the front panel 113 in FIG. 4; FIG. 31 is a schematic enlarged view of the area N in FIG. 30. Referring to FIGS. 30 and 31, in some embodiments, the fuselage may further include a lower molding 117 covering the bottom end of the front panel 113. The lower trim 117 can also be configured to be fixedly connected to the bottom end of the front panel 113 and the top end of the air deflector extension 115 to indirectly connect the front panel 113 and the air deflector extension 115.

Specifically, the rear surface of the front panel 113 may be formed with a plurality of buckles 1133 protruding rearward. The lower molding 117 may be formed with a plurality of bayonet openings 1171 correspondingly, and the plurality of buckles 1133 may be arranged to pass through the plurality of bayonet openings 1171 to be engaged with the plurality of bayonet openings 1171 to define the lower molding in the vertical direction. 117 displacement.

The rear surface of the front panel 113 may also be formed with a plurality of rearwardly protruding latch blocks 1134, and the lower portion of each latch block 1134 may be formed with a sliding groove that opens downwardly and penetrates the latch block 1134 in the transverse direction. The lower decorative strip 117 can correspondingly be formed with a plurality of grooves 1172 with upward openings, and each of the grooves 1172 is configured such that the lower peripheral portion of the groove 1172 can slide along a sliding groove and the upper part of the corresponding block 1134 is clamped in it. The displacement of the lower molding 117 is defined in the front-rear direction and the lateral direction.

In order to further improve the reliability of the connection between the lower decorative strip 117 and the front panel 113, the lateral ends of the decorative strip can be arranged to be firmly connected to the front panel 113.

A connecting protrusion 1173 extending downward may be respectively formed on both lateral ends of the lower molding 117. The guide extension plate 115 may correspondingly be formed with two downwardly recessed grooves, and each connecting protrusion 1173 is configured to be inserted into a groove downward and fixedly connected with the groove for mounting in a horizontal direction. The front panel 113 with the lower trim 117 is positioned.

During the assembly process, the guide extension plate 115 can be fixedly connected to the post 170 in advance, and the lower decorative strip 117 can be fixedly connected in advance, and the connecting protrusion 1173 of the lower decorative strip 117 is clamped and positioned with the groove of the guide extension plate 115 Then, the front panel 113 and the column 170 are fixedly connected.

So far, those skilled in the art should realize that although a number of exemplary embodiments of the present invention have been illustrated and described in detail herein, they can still be disclosed according to the present invention without departing from the spirit and scope of the present invention. The content directly determines or derives many other variations or modifications that conform to the principles of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all these other variations or modifications.

Claims (14)

1. A cabinet type air conditioner indoor unit, including:

   Case, including base and body;

   The air supply assembly is arranged in the casing and configured to blow air flow to the indoor environment; and

   The four uprights are arranged to be fixedly connected to the base, and the air supply assembly is arranged to be fixedly connected to the four uprights.
2. The cabinet type air conditioner indoor unit according to claim 1, wherein:

   The fuselage includes a front panel, a back panel and two lateral side panels;

   The front panel, the back panel and the two lateral side panels are enclosed by the four uprights.
3. The cabinet type air conditioner indoor unit according to claim 2, wherein the air supply component comprises:

   Two double-suction centrifugal fans are arranged at intervals in the vertical direction, and each of the centrifugal fans includes a volute and an impeller arranged in the volute;

   The air duct main body includes two air duct parts isolated from each other and extending in opposite directions, the two centrifugal fans are respectively arranged in the two air duct parts, and two lateral side walls of each air duct part An airflow inlet is respectively opened, and an airflow outlet is formed at one end of each air duct part away from the other air duct part; and

   Two air duct guard plates are respectively fixed on the lateral sides of the air duct main body, and together with the air duct main body form the return air passages of the two centrifugal fans; wherein

   The air duct main body is arranged to pass through the two air duct guard plates and be fixedly connected to the four uprights.
4. The cabinet type air conditioner indoor unit according to claim 3, wherein the air supply component further comprises:

   The wind guide member is arranged above the air duct main body and is configured to guide the air flow blown by the centrifugal fan on the upper side to the indoor environment; and the wind guide member includes:

   The housing is arranged to be fixedly connected to the four uprights, and the bottom wall and the top wall of the housing are respectively formed with an air inlet opening and an air outlet opening, and the air inlet opening is butted with the air flow outlet of the upper air duct part;

   The communicating air duct is arranged in the casing, and the air inlet of the air inlet is arranged to be connected to the air inlet opening; and

   An air outlet frame component, which includes an air outlet frame formed with an air duct, and the air duct of the air outlet frame is arranged to include the air outlet mask connected to the air duct and can be located around the rear of the casing The fixed axis of the air outlet of the air outlet frame is exposed through the air outlet opening at the open position above the top opening surrounded by the front panel, the back panel and the two lateral side panels, and the air outlet frame Rotating between closed positions completely in the housing; wherein

   The two lateral side walls of the housing are respectively formed with a plurality of connecting lugs extending downward, and the plurality of connecting lugs are arranged to be fixedly connected to the air duct main body; and/or

   The housing is formed with a plurality of positioning posts, and each of the uprights is correspondingly formed with a positioning groove, and each of the positioning grooves includes a sliding part extending in the front-to-rear direction and from the front or rear of the sliding part. A clamping portion extending downwardly from the positioning slot, the positioning column is configured to be slidable along the sliding portion of the positioning groove to the clamping portion and to be clamped with the clamping portion; and/or

   The two lateral side walls of the housing are respectively formed with a plurality of limiting bosses, and the top end of each of the uprights is configured to fit with the bottom wall of one of the limiting bosses; and/or

   A plurality of downwardly recessed cavities are formed at the periphery of the air outlet opening, and the tops of the front panel, the back panel and the two lateral side panels are respectively formed with flanges extending in a direction close to the housing And each flange is formed with a plurality of tongues extending downward, and each of the tongues is configured to be engaged with one of the cavity.
5. The cabinet type air conditioner indoor unit according to claim 3, wherein the body further comprises:

   The air guide extension plate is arranged below the front panel, and the top end of the air guide extension plate and the bottom end of the front panel enclose the lower air outlet of the cabinet type air conditioner indoor unit; and the air supply assembly Also includes:

   The air outlet frame is arranged below the main body of the air duct, and its air inlet is arranged to be butted with the air flow outlet of the lower air duct part, and the air outlet is arranged to be butted with the lower air outlet; wherein

   The guide extension plate is arranged to be fixedly connected with the two front columns.
6. The cabinet type air conditioner indoor unit according to claim 5, further comprising:

   The controller is arranged on the base and located below the air duct main body, and is used to control the operation of the two centrifugal fans; wherein, the controller is arranged to be connected to the base, the air outlet frame and a The post on the rear side of the root is fixedly connected.
7. The cabinet type air conditioner indoor unit according to claim 6, further comprising:

   The fresh air device is arranged side by side with the controller in the transverse direction, and is configured to introduce ambient air into the return air channel; wherein the fresh air device is arranged to be fixedly connected to the base.
8. The cabinet type air conditioner indoor unit according to claim 6, wherein each of the lateral side panels includes:

   Upper side panel

   The lower side board is arranged below the upper side board, and its projection on a vertical plane extending in the front-rear direction is arranged to cover the controller.
9. The cabinet type air conditioner indoor unit according to claim 8, wherein each of the front columns includes:

   The main body extends in the transverse direction, and is arranged to be clamped with the front panel and the guide extension plate;

   The front side bending section extends forward from the end of the main body close to the air supply assembly, and is arranged to be firmly connected to the air duct main body; and

   The rear side bending section extends rearward from the end of the main body away from the air supply assembly, and is arranged to be firmly connected to the front panel and the flow guiding extension plate and to be clamped to the lower side plate; among them

   The upper side plate is arranged to be clamped with the front panel.
10. The cabinet type air conditioner indoor unit according to claim 8, wherein each of the rear pillars includes:

    The main body extends in the front-to-rear direction and is arranged to be clamped to the upper side plate and the lower side plate;

    The front side bending section and the rear side bending section are arranged to extend from the front and rear ends of the main body to the direction close to the air supply assembly, and the rear side bending section is arranged to be engaged with the back plate Connect; and

    The front side extension section and the rear side extension section are arranged to respectively extend forward from an end of the front side bending section away from the main body and extend backward from an end of the rear side bending section away from the main body, and The front side extension section and the rear side extension section are both arranged to be firmly connected to the air duct main body; wherein

    The back plate is arranged to be firmly connected to the back extension section.
11. The cabinet type air conditioner indoor unit according to claim 2, further comprising:

    The heat exchange assembly is arranged on the rear side of the air supply assembly and is fixedly connected with the two rear pillars.
12. The cabinet type air conditioner indoor unit according to claim 11, wherein the heat exchange component comprises:

    The heat exchanger includes a refrigerant pipeline and two tube plates fixed on the two lateral ends of the refrigerant pipeline;

    The lower supporting plate is arranged under the heat exchanger and is fixedly connected with the bottom of the two tube sheets and the two rear pillars; and

    The upper supporting plate is arranged to be fixedly connected with the tops of the two tube plates and the air supply assembly.
13. The cabinet type air conditioner indoor unit according to claim 11, further comprising:

    The water receiving pan is arranged below the heat exchange assembly and is spaced apart from the heat exchange assembly; wherein

    The front part of the water receiving tray is arranged to be fixedly connected to the air blowing assembly, and the rear part is arranged to be fixedly connected to the two rear pillars.
14. The cabinet type air conditioner indoor unit according to claim 13, wherein:

    The upper part and the lower part of the back plate are respectively arranged to be fixedly connected with the air supply assembly and the water receiving tray.

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