Floor air conditioner

Abstract

The utility model provides a floor air conditioner, relates to the technical field of air conditioners, and aims to solve the problem that in an existing floor air conditioner, an electric heater is fixedly installed on an evaporator upper support and an evaporator lower support, so that the structure is complex. The air duct device and the electric heater are arranged in the shell, and an air return opening and an air supply opening are formed in the side wall of the shell; the air duct device comprises an air duct mounting plate and an air exhaust assembly, an air duct cavity communicating with the air return opening and the air supply opening is formed in the air duct mounting plate, and the air exhaust assembly comprises an axial flow wind wheel arranged in the air duct cavity; the air duct mounting plate is provided with a fixing structure, and the electric heater is mounted on the fixing structure and located between the air return opening and the air duct cavity. The electric heater is directly installed on the air duct installation plate, an upper evaporator support and a lower evaporator support are omitted, the number of parts is reduced, and the structure is simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner technical field, specifically, a kind of vertical air conditioner. BACKGROUND

[0002] At present, some vertical air conditioners meet the purpose of delivering hot air to indoor by setting electric heater, specifically, electric heater is set in the upstream of air outlet, and the air flow becomes hot air by heat exchange with electric heater when airflow passes, and is further sent to indoor.

[0003] However, the electric heater in the existing vertical air conditioner is usually fixed on the upper bracket and lower bracket of evaporator, which requires to set the upper bracket and lower bracket of evaporator in the interior of vertical air conditioner, resulting in complex structure of vertical air conditioner. SUMMARY

[0004] The utility model aims at providing a vertical air conditioner to solve the technical problem that the structure is complex in the existing vertical air conditioner because the electric heater is fixed on the upper bracket and lower bracket of evaporator.

[0005] The vertical air conditioner provided by the utility model comprises a shell and a duct device and an electric heater which are arranged in the interior of the shell, wherein a return air inlet and an air supply inlet are formed in the side wall of the shell; the duct device comprises a duct mounting plate and an exhaust assembly, the duct mounting plate is formed with a duct cavity which is communicated with the return air inlet and the air supply inlet, and the exhaust assembly comprises an axial flow fan arranged in the duct cavity; the duct mounting plate is provided with a fixing structure, the electric heater is arranged on the fixing structure, and the electric heater is located between the return air inlet and the duct cavity.

[0006] During operation of the vertical air conditioner, external air flow enters the return air inlet under the action of the axial flow fan of the exhaust assembly, and when the air flow flows in the interior of the shell, heat exchange is carried out between the air flow and the electric heater when the air flow passes the opened electric heater, so that the air flow becomes hot air, and the hot air is discharged to the air supply inlet through the duct cavity formed in the duct mounting plate, so as to achieve the purpose of blowing hot air to indoor.

[0007] The electric heater is arranged on the fixing structure of the duct mounting plate, on the one hand, the electric heater does not need to be fixed by the upper bracket and lower bracket of evaporator, so that the number of parts is saved, the structure is simple, the assembly efficiency is improved, and on the other hand, the electric heater and the duct device form a module structure, so that when the wire arrangement operation is carried out, the cable of the electric heater and the cable of the exhaust assembly can be arranged in order and then connected to the electric control box, so that the wire arrangement operation of the electric heater and the wire arrangement operation of the exhaust assembly can be carried out together, and the wire arrangement efficiency is effectively improved.

[0008] Further, the fixing structure comprises an upper fixing part and a lower fixing part, the electric heater extends in the up-down direction, the upper end of the electric heater is installed on the upper fixing part, and the lower end of the electric heater is installed on the lower fixing part. The fixing structure is arranged in this way, so that the upper end and the lower end of the electric heater can be fixed at the same time, and the installation stability of the electric heater is ensured.

[0009] Further, the upper fixing part comprises an upper horizontal wall formed at the top end of the air duct mounting plate, and the lower fixing part comprises a lower horizontal wall formed at the bottom end of the air duct mounting plate. In this way, the upper fixing part is formed by the upper horizontal wall at the top end of the air duct mounting plate, and the lower fixing part is formed by the lower horizontal wall at the bottom end of the air duct mounting plate, so that the distribution area of the upper fixing part and the lower fixing part on the air duct mounting plate is extended, and the parts for fixing the electric heater are as dispersed as possible at the two ends of the electric heater, so that the shaking and deformation of the electric heater can be effectively reduced, and the working stability of the electric heater is improved.

[0010] Further, the upper end of the air duct mounting plate is bent towards the rear panel, and the upper horizontal wall is formed. In this way, the upper horizontal wall is formed by locally bending the air duct mounting plate, so that the upper horizontal wall and the mounting plate body of the air duct mounting plate are integrally formed, that is, the upper horizontal wall is part of the air duct mounting plate, so that the number of parts is further reduced, and the assembly efficiency is improved.

[0011] Further, the lower horizontal wall is provided with a slot with a notch facing upwards, and the lower end of the electric heater is inserted and fixed in the slot. In this way, the lower end of the electric heater can be fixed, and the horizontal degree of freedom of the electric heater can be limited, so that the lower end of the electric heater is prevented from being horizontally displaced.

[0012] Further, the side wall of the shell comprises a front panel and a rear panel which are opposite and spaced apart in the front-rear direction, the air supply port is formed in the front panel, the air return port is formed in the rear panel, the electric heater is located between the air duct mounting plate and the rear panel, and the evaporator of the vertical air conditioner is installed on the rear panel. By directly installing the evaporator on the rear panel, the evaporator support can be saved while meeting the cooling demand of the vertical air conditioner, the number of parts is reduced, and the assembly efficiency is improved.

[0013] Further, the lower end of the air duct mounting plate is provided with a longitudinal partition plate having a front surface facing the front panel and a rear surface facing the rear panel, wherein a cable routing space is formed between the front surface and the front panel, and cables of both the electric heater and the exhaust assembly are arranged in the cable routing space; the rear panel is provided with a water receiving portion extending to the rear surface. This arrangement achieves isolation of the cable routing process and the water receiving process, so that the condensed water dropped from the evaporator to the water receiving portion cannot splash to the front surface of the longitudinal partition plate, thereby avoiding the adverse effects of the condensed water on the cables and ensuring the safety of the operation of the upright air conditioner.

[0014] Further, the air duct mounting plate further comprises a mounting plate body and an air duct wall, the mounting plate body is provided with an air outlet, and the air duct wall is arranged around the air outlet to form the air duct cavity; the air duct device further comprises a back plate opposite and spaced from the mounting plate body, the upper end of the back plate is connected with the upper transverse wall, the lower end of the back plate is connected with the lower transverse wall, and the back plate is provided with a clearance opening opposite the air duct cavity, wherein the mounting plate body, the air duct wall, the upper transverse wall, the lower transverse wall and the back plate jointly form a heat insulation cavity surrounding the air duct cavity. This arrangement not only utilizes the heat insulation cavity jointly formed by the mounting plate body, the air duct wall, the upper transverse wall, the lower transverse wall and the back plate to isolate the condensation, but also utilizes the back plate to smooth the back surface of the air duct mounting plate, so as to reduce the vortex and noise.

[0015] Further, the air supply port is provided with a sweeping air assembly, and the sweeping air assembly has a closed position for closing the air supply port and an air supply position for at least partially exposing the air supply port. By installing the sweeping air assembly on the air supply port and switching the sweeping air assembly between the closed position and the air supply position, the air supply angle and the air supply amount can be adjusted to meet the use requirements of different users.

[0016] Further, the number of the air supply ports is multiple, and the multiple air supply ports are arranged in the up-down direction in a spaced manner, and each air supply port is provided with the exhaust assembly. This arrangement can increase the air outlet area of the upright air conditioner in the height direction and ensure the air outlet amount of the upright air conditioner.

[0017] Further, the air duct device further comprises an air outlet grille fixed opposite to the air duct mounting plate and located downstream of the air duct mounting plate; the exhaust assembly further comprises an exhaust motor, and the motor body of the exhaust motor is mounted on the air outlet grille, and the axial flow fan is fixedly sleeved on the motor shaft of the exhaust motor. This arrangement makes the airflow blow forward after passing through the air duct cavity, and the airflow is rectified by the air outlet grille, so as to ensure the air outlet effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0019] Figure 1 A partial structure longitudinal section schematic view of the vertical air conditioner provided by the embodiment of the present application is shown in the figure.

[0020] Figure 2 A longitudinal section schematic view of the vertical air conditioner provided by the embodiment of the present application is shown in the figure.

[0021] Figure 3 A partial structure schematic view of the vertical air conditioner provided by the embodiment of the present application is shown in the figure.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 100 - shell; 200 - air duct device; 300 - electric heater; 400 - air sweeping assembly;

[0024] 110 - front panel; 111 - air supply port; 120 - rear baffle; 121 - air return port; 122 - water receiving part;

[0025] 210 - air duct mounting plate; 211 - air duct cavity; 212 - fixing structure; 2121 - upper fixing part; 2122 - lower fixing part; 213 - mounting plate body; 214 - air duct wall; 220 - air exhaust assembly; 221 - air exhaust motor; 222 - axial flow fan; 230 - longitudinal partition plate; 231 - front surface; 232 - rear surface; 240 - air outlet grille; 250 - back plate; 260 - heat insulation cavity. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0027] Figure 1 A partial structure longitudinal section schematic view of the vertical air conditioner provided by the embodiment of the present application is shown in the figure. Figure 2 A longitudinal section schematic view of the vertical air conditioner provided by the embodiment of the present application is shown in the figure. Figure 3 A partial structure schematic view of the vertical air conditioner provided by the embodiment of the present application is shown in the figure. Figures 1 to 3As shown, the embodiment provides a vertical air conditioner, comprising a shell 100 and a duct device 200 and an electric heater 300 which are both arranged inside the shell 100, wherein a side wall of the shell 100 is provided with an air return port 121 and an air outlet 111; the duct device 200 comprises a duct mounting plate 210 and an exhaust assembly 220, the duct mounting plate 210 is formed with a duct cavity 211 which communicates the air return port 121 and the air outlet 111, the exhaust assembly 220 comprises an axial flow fan 222 arranged in the duct cavity 211; the duct mounting plate 210 is provided with a fixing structure 212, the electric heater 300 is mounted on the fixing structure 212, and the electric heater 300 is located between the air return port 121 and the duct cavity 211.

[0028] During the operation of the vertical air conditioner, external air flows into the air return port 121 under the action of the axial flow fan 222 of the exhaust assembly 220, and as the air flows inside the shell 100, when flowing through the open electric heater 300, the air exchanges heat with the electric heater 300, so that it becomes hot air, and is discharged to the air outlet 111 through the duct cavity 211 opened in the duct mounting plate 210, so as to achieve the purpose of blowing hot air into the room.

[0029] By mounting the electric heater 300 on the fixing structure 212 of the duct mounting plate 210, on the one hand, the evaporator upper bracket and the evaporator lower bracket are not needed to fix the electric heater 300, which saves the number of parts, has a simple structure, improves the assembly efficiency, and on the other hand, the electric heater 300 and the duct device 200 form a module structure, so that when the wire arrangement operation is performed, the cable of the electric heater 300 and the cable of the exhaust assembly 220 can be arranged in order and then connected to the electric control box, so that the wire arrangement operation of the electric heater 300 and the wire arrangement operation of the exhaust assembly 220 can be performed together, which effectively improves the wire arrangement efficiency.

[0030] Please continue to refer to Figure 2 In the embodiment, the side wall of the shell 100 can include a front panel 110 and a rear panel 120 which are opposite and spaced along the front-rear direction, wherein the air outlet 111 is opened in the front panel 110, the air return port 121 is opened in the rear panel 120, and the electric heater 300 is located between the duct mounting plate 210 and the rear panel 120; the evaporator of the vertical air conditioner is mounted on the rear panel 120.

[0031] By directly mounting the evaporator on the rear panel 120, the evaporator bracket can be saved while meeting the cooling demand of the vertical air conditioner, so as to reduce the number of parts and improve the assembly efficiency.

[0032] It should be noted that, in general, one side of the standing air conditioner is the side facing the indoor space or the side facing the indoor user activity area, which is the front side of the standing air conditioner; and the side facing the corner or the side facing the wall of the standing air conditioner is the back side thereof. In the embodiment, the "front-rear direction" of the standing air conditioner can be indicated by the arrow ab in Figure 2 , and the "up-down direction" of the standing air conditioner can be indicated by the arrow cd in Figure 2 .

[0033] Please continue to refer to Figures 1 to 3 , in the embodiment, the fixing structure 212 can include an upper fixing part 2121 and a lower fixing part 2122, wherein the electric heater 300 extends in the up-down direction, the upper end of the electric heater 300 is mounted to the upper fixing part 2121, and the lower end of the electric heater 300 is mounted to the lower fixing part 2122.

[0034] This form of the fixing structure 212 can simultaneously fix the upper end and the lower end of the electric heater 300, on the one hand, increases the number of fixing points, can avoid the electric heater 300 from shaking due to being too long, ensures the installation stability of the electric heater 300, on the other hand, also increases the distribution area of the fixing points, which plays a certain correcting role on the shape of the electric heater 300, effectively inhibits the deformation of the electric heater 300 that may occur during long-term use.

[0035] Please continue to refer to Figures 1 to 3 , in the embodiment, the upper fixing part 2121 includes an upper horizontal wall formed at the top end of the air duct mounting plate 210, and the lower fixing part 2122 includes a lower horizontal wall formed at the bottom end of the air duct mounting plate 210.

[0036] This form of forming the upper fixing part by the upper horizontal wall at the top end of the air duct mounting plate 210 and forming the lower fixing part by the lower horizontal wall at the bottom end of the air duct mounting plate 210 can extend the distribution area of the upper fixing part 2121 and the lower fixing part 2122 on the air duct mounting plate 210, so that the parts for fixing the electric heater 300 are as dispersed as possible at the two ends of the electric heater 300, thereby effectively reducing the shaking and deformation of the electric heater 300 and improving the working stability of the electric heater 300.

[0037] Please continue to refer to Figures 1 to 3 , in the embodiment, the upper end of the air duct mounting plate 210 is bent towards the direction of the back panel 120 to form the upper horizontal wall.

[0038] This form of forming the upper horizontal wall by locally bending the air duct mounting plate 210 makes the upper horizontal wall and the mounting plate body 213 of the air duct mounting plate 210 be an integral structure, that is, the upper horizontal wall is part of the air duct mounting plate 210, thereby further reducing the number of parts and improving the assembly efficiency.

[0039] Specifically, the upper horizontal wall is provided with a socket, and a plug at the upper end of the electric heater 300 is inserted and fixed in the socket of the upper horizontal wall.

[0040] Please continue to refer to Figures 1 to 3 In this embodiment, the lower horizontal wall is provided with a socket with an upward notch, wherein the lower end of the electric heater 300 is inserted and fixed in the socket.

[0041] The above arrangement of the lower horizontal wall not only can fix the lower end of the electric heater 300, but also can limit the horizontal freedom degree of the electric heater 300, preventing the horizontal displacement of the lower end of the electric heater 300.

[0042] In addition, by setting the lower fixing part 2122 as the socket and setting the socket in the upper fixing part 2121, on the one hand, when installing the electric heater 300, the lower end of the electric heater 300 can be directly inserted into the socket, and the upper end of the electric heater 300 is inserted into the socket of the upper fixing part 2121, so that the installation efficiency is higher, on the other hand, when the electric heater 300 needs to be removed for maintenance or replacement, the insertion and fixation of the upper end of the electric heater 300 and the socket and the insertion and fixation of the lower end of the electric heater 300 and the socket can be released respectively, so that the electric heater 300 can be removed, the disassembly efficiency is higher, and the maintenance convenience is improved.

[0043] Please continue to refer to Figure 1 and Figure 2 In this embodiment, the lower end of the air duct mounting plate 210 is provided with a longitudinal partition plate 230, the longitudinal partition plate 230 has a front surface 231 facing the front panel 110 and a rear surface 232 facing the rear enclosure 120, wherein the front surface 231 of the longitudinal partition plate 230 and the front panel 110 form a wiring space, and the cables of the electric heater 300 and the exhaust assembly 220 are arranged in the wiring space; the rear enclosure 120 is provided with a water receiving part 122 extending to the rear surface 232.

[0044] By setting the longitudinal partition plate 230 at the lower end of the air duct mounting plate 210, and making the water receiving part 122 of the rear enclosure 120 extend to the rear surface 232 of the longitudinal partition plate 230, and using the front surface 231 of the longitudinal partition plate 230 away from the rear surface 232 for wiring, the wiring process and the water receiving process are isolated, so that the condensed water dropped from the evaporator to the water receiving part 122 will not splash to the front surface 231 of the longitudinal partition plate 230, thereby avoiding the adverse effects of the condensed water on the cables, and ensuring the safety during the operation of the vertical air conditioner.

[0045] Please continue to refer to Figure 1 and Figure 2In the embodiment, the air duct mounting plate 210 further comprises a mounting plate body 213 and an air duct wall 214, the mounting plate body 213 is provided with an air outlet, and the air duct wall 214 is arranged around the air outlet to form the air duct cavity 211; the air duct device 200 further comprises a back plate 250 opposite and spaced from the mounting plate body 213, the upper end of the back plate 250 is connected with the upper transverse wall, the lower end of the back plate 250 is connected with the lower transverse wall, and the back plate 250 is provided with a gap opening opposite the air duct cavity 211, wherein the mounting plate body 213, the air duct wall 214, the upper transverse wall, the lower transverse wall and the back plate 250 jointly enclose a heat insulation cavity 260 surrounding the air duct cavity 211.

[0046] Through the above arrangement, not only can the heat insulation cavity 260 jointly enclosed by the mounting plate body 213, the air duct wall 214, the upper transverse wall, the lower transverse wall and the back plate 250 realize the isolation of condensation, prevent condensation from being generated on the side of the air duct mounting plate 210 away from the evaporator, but also the back surface of the air duct mounting plate can be flattened by the back plate 250 to reduce vortex and noise.

[0047] Please continue to refer to Figures 1 to 3 In the embodiment, the number of air supply openings 111 is two, the two air supply openings 111 are arranged in the up-down direction, each air supply opening 111 is provided with an air exhaust assembly 220, and the local part of each air supply opening 111 is shielded by the electric heater 300.

[0048] By arranging two air supply openings 111 in the up-down direction on the front panel 110, not only can the air outlet area of the vertical air conditioner be increased in the height direction to ensure the air outlet volume of the vertical air conditioner, but also the vertical air conditioner will not be too high, avoiding the risk of falling caused by the increase of the gravity center of the vertical air conditioner. At the same time, by arranging the electric heater 300 to shield the local part of each air supply opening 111, the airflow can be fully contacted and heat exchanged with the electric heater 300 during the process of flowing from the air return opening 121 to the air duct cavity 211, so that the airflow blown out of each air duct cavity 211 is reliably heated, avoiding the situation that the air conditioner air finally sent out of the air supply opening 111 is unevenly heated.

[0049] Specifically, in the embodiment, the electric heater 300 covers the center line of each air duct cavity 211 in the front-rear direction.

[0050] In other embodiments, the air supply opening 111 arranged on the front panel 110 can also be of other numbers and other arrangement forms, at this time, the air exhaust assembly 220 is arranged corresponding to the air supply opening 111, and the specific number and arrangement form of the air supply opening 111 are not limited in the embodiment.

[0051] Please continue to refer to Figure 1 and Figure 2In the embodiment, the air sweeping assembly 400 can be installed at the air outlet 111, wherein the air sweeping assembly 400 has a closed position for closing the air outlet 111 and an air supply position for at least partially exposing the air outlet 111.

[0052] By installing the air sweeping assembly 400 at the air outlet 111, the air supply angle and the air supply amount can be adjusted by switching the air sweeping assembly 400 between the closed position and the air supply position, so as to meet the use requirements of different users.

[0053] Please continue to refer to Figure 2 In the embodiment, the air sweeping assembly 400 arranged at the upper air outlet 111 is in the air supply position, so that the air conditioner air in the running process of the air conditioner can be blown out through the upper air outlet 111; and the air sweeping assembly 400 arranged at the lower air outlet 111 is in the closed position, so that the air conditioner air in the running process of the air conditioner cannot be blown out through the lower air outlet 111.

[0054] Please continue to refer to Figure 1 and Figure 2 In the embodiment, the air duct device 200 can further include an air outlet grille 240, wherein the air outlet grille 240 is fixedly arranged opposite to the air duct mounting plate 210, and the air outlet grille 240 is located downstream of the air duct mounting plate 210; and the air exhaust assembly 220 further includes an air exhaust motor 221, wherein the body of the air exhaust motor 221 is mounted to the air outlet grille 240, and the axial flow fan 222 is fixedly sleeved to the motor shaft of the air exhaust motor 221.

[0055] By arranging the air outlet grille 240 in the air duct device 200, the air flow is rectified by the air outlet grille 240 after being blown forward through the air duct cavity 211, and the air flow is blown out by the air outlet grille 240, so as to ensure the air outlet effect.

[0056] Although the utility model discloses as above, the utility model discloses not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protection scope of the utility model should be limited by the range defined in the claims.

[0057] Finally, it should be noted that, in this document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", "includes", "including" or any other variation thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0058] In the above embodiments, the orientation terms such as "upper", "lower", "front", "back", "side" and the like are based on the figures shown.

[0059] The above description of disclosed embodiments provides enabling concepts for practicing or using the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vertical air conditioner, characterized in that, The device includes a housing (100) and a duct device (200) and an electric heater (300) both disposed inside the housing (100). The housing (100) has a return air inlet (121) and an air supply inlet (111) on its side wall. The duct device (200) includes a duct mounting plate (210) and an exhaust assembly (220). The duct mounting plate (210) forms a duct cavity (211) that connects the return air inlet (121) and the air supply inlet (111). The exhaust assembly (220) includes an axial flow impeller (222) disposed in the duct cavity (211). The duct mounting plate (210) is provided with a fixing structure (212). The electric heater (300) is installed on the fixing structure (212) and is located between the return air inlet (121) and the duct cavity (211).

2. The vertical air conditioner according to claim 1, characterized in that, The fixing structure (212) includes an upper fixing part (2121) and a lower fixing part (2122). The electric heater (300) extends in the vertical direction. The upper end of the electric heater (300) is installed on the upper fixing part (2121), and the lower end of the electric heater (300) is installed on the lower fixing part (2122).

3. The vertical air conditioner according to claim 2, characterized in that, The upper fixing part (2121) includes an upper horizontal wall formed at the top of the air duct mounting plate (210), and the lower fixing part (2122) includes a lower horizontal wall formed at the bottom of the air duct mounting plate (210).

4. The vertical air conditioner according to claim 3, characterized in that, The upper end of the air duct mounting plate (210) is bent toward the rear panel (120) to form the upper transverse wall.

5. The vertical air conditioner according to claim 3, characterized in that, The lower transverse wall is provided with an upward-facing slot, and the lower end of the electric heater (300) is inserted and fixed into the slot.

6. The vertical air conditioner according to claim 2, characterized in that, The sidewalls of the outer casing (100) include a front panel (110) and a rear panel (120) that are opposite to each other and spaced apart in the front-rear direction. The air supply vent (111) is opened on the front panel (110), the air return vent (121) is opened on the rear panel (120), and the electric heater (300) is located between the air duct mounting plate (210) and the rear panel (120). The evaporator of the vertical air conditioner is installed on the rear panel (120).

7. The vertical air conditioner according to claim 6, characterized in that, The lower end of the air duct mounting plate (210) is provided with a longitudinal partition (230), the longitudinal partition (230) having a front surface (231) facing the front panel (110) and a rear surface (232) facing the rear panel (120), wherein a wiring space is formed between the front surface (231) and the front panel (110), and the cables of both the electric heater (300) and the exhaust assembly (220) are passed through the wiring space; the rear panel (120) is provided with a water receiving part (122) extending to the rear surface (232).

8. The vertical air conditioner according to claim 3, characterized in that, The duct mounting plate (210) further includes a mounting plate body (213) and a duct wall (214). The mounting plate body (213) has an air outlet, and the duct wall (214) is arranged around the air outlet to form the duct cavity (211). The duct device (200) further includes a back plate (250) that is opposite to and spaced from the mounting plate body (213). The upper end of the back plate (250) is connected to the upper transverse wall, and the lower end of the back plate (250) is connected to the lower transverse wall. The back plate (250) has a clearance opening that is opposite to the duct cavity (211). The mounting plate body (213), the duct wall (214), the upper transverse wall, the lower transverse wall, and the back plate (250) together form a heat insulation cavity (260) surrounding the duct cavity (211).

9. The vertical air conditioner according to claim 1, characterized in that, The air outlet (111) is equipped with a sweeping assembly (400), the sweeping assembly (400) having a closed position that closes the air outlet (111) and an air supply position that at least partially exposes the air outlet (111); and / or, the number of air outlets (111) is multiple, the multiple air outlets (111) are arranged at intervals in the vertical direction, and each air outlet (111) is correspondingly equipped with the exhaust assembly (220).

10. The vertical air conditioner according to claim 1, characterized in that, The air duct device (200) further includes an air outlet grille (240), which is fixedly disposed relative to the air duct mounting plate (210) and is located downstream of the air duct mounting plate (210); the exhaust assembly (220) further includes an exhaust motor (221), the body of which is mounted on the air outlet grille (240), and the axial flow impeller (222) is fixedly fitted onto the motor shaft of the exhaust motor (221).

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