CN218001666U

CN218001666U - Air duct machine

Info

Publication number: CN218001666U
Application number: CN202222312048.9U
Authority: CN
Inventors: 赵勋; 梁洪启; 许纪刚
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-09
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a tuber pipe machine, include: the air conditioner comprises a machine shell, a fan and a controller, wherein an air outlet is formed on the machine shell, the machine shell comprises two opposite side walls in the height direction, and an accommodating cavity is defined in the machine shell; a heat exchanger and an electric heating device are arranged in the accommodating cavity, wherein the heat exchanger is arranged close to the air outlet, and the electric heating device is positioned between the heat exchanger and the air outlet; the both ends of electric heater unit are provided with the mount pad respectively, and one side of mount pad is inside sunken to form the installation department, and electric heater unit's tip is inserted and is located in the installation department, and the opposite side that the mount pad deviates from the installation department is connected with lateral wall detachably, when needs maintain or change electric heater unit, need not to dismantle the casing, only need pull down the mount pad, convenient dismantlement and maintenance.

Description

Air duct machine

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to a tuber pipe machine.

Background

The air pipe machine, namely the air pipe type air conditioner, is connected with an air pipe to supply air to the room. At present, the electric heating devices of the air duct machines on the market are vertically arranged at the air outlet of the air duct machine. However, this fixing method has the following problems: (1) In the refrigeration working process of the air duct machine, condensation can be generated on the surface of the electric heating device, and the risk of blowing out condensation water can be caused during high-wind operation. (2) The tuber pipe machine panel generally adopts the plastics material, and when it used with the tuber pipe machine collocation, in order to avoid electric heater unit high temperature and lead to the tuber pipe machine panel to be heated and warp, the user can increase the installation distance between electric heater unit and the panel during installation, and then increases the furred ceiling degree of depth, influences aesthetic measure, increase fitment cost.

At present, in order to solve the problems, a scheme of obliquely installing an electric heating device is provided in an air duct machine, but in the installation mode, when the electric heating device is maintained and replaced, a bottom plate of the air duct machine needs to be completely removed in order to remove a fixing bolt, so that the operation is complex, and the later maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.

Therefore, the embodiment of the utility model provides an air duct machine, include:

the air conditioner comprises a shell, a fan and a fan, wherein an air outlet is formed on the shell, the shell comprises two opposite side walls in the height direction, and an accommodating cavity is defined in the shell;

the heat exchanger is positioned in the accommodating cavity and is close to the air outlet;

the electric heating device is arranged in the accommodating cavity and is positioned between the heat exchanger and the air outlet;

the installation portion is formed by inwards recessing one side of the installation seat, the installation seats are respectively arranged at two ends of the electric heating device, the end portion of the electric heating device is inserted into the installation portion, the other side of the installation seat, which deviates from the installation portion, is detachably connected with the side wall, when the electric heating device needs to be maintained or replaced, the machine shell does not need to be disassembled, the installation seat only needs to be disassembled, and the disassembly and the maintenance are convenient.

The utility model discloses an in some embodiments, the mount pad extends from the opposite side of installation department and forms the connecting plate, and the tip of connecting plate extends towards the lateral wall and forms the mounting panel, is provided with the installing support on the both sides wall relatively, and installing support detachably installs and is close to air outlet department in the lateral wall, and the installing support is connected with installing support detachably, realizes that the mount pad is connected with dismantling of casing lateral wall.

In some embodiments of the present invention, the mounting bracket includes a first mounting bracket and a second mounting bracket connected to the first mounting bracket, the first mounting bracket is disposed toward the mounting plate and detachably connected to the mounting plate, the second mounting bracket extends along the side wall and detachably connected to the side wall, and detachable connection of the mounting plate to the side wall is achieved by the first mounting bracket and the second mounting bracket.

The utility model discloses an in some embodiments, seted up the mounting hole on the mounting panel, seted up first connecting hole on the first installing support, first connecting hole and mounting hole cooperation and accessible fastener fastening connection have seted up the second connecting hole on the second installing support, install installing support detachably on the lateral wall through the second connecting hole, realize dismantling portably.

The utility model discloses an in some embodiments, still be formed with the air intake on the casing, air intake and air outlet intercommunication, the holding intracavity still is equipped with the fan, and the fan is located the heat exchanger and is close to one side of air intake, introduces the holding intracavity with the room air through the fan and carries out the heat transfer with the heat exchanger.

The utility model discloses an in some embodiments, the holding intracavity is equipped with the baffle, and the baffle separates the holding chamber for the heat transfer chamber and the fan chamber of mutual intercommunication, and heat transfer chamber and air outlet intercommunication, fan chamber and air intake intercommunication, heat exchanger are located the heat transfer intracavity, and the fan is located the fan intracavity, and indoor air gets into the tuber pipe machine from the air intake and after fan chamber and heat transfer chamber in proper order, blows off from the air outlet.

The utility model discloses an in some embodiments, the fan includes the spiral case and locates the wind wheel in the spiral case, is formed with spiral case air intake and spiral case air outlet on the spiral case, and spiral case air intake and air intake intercommunication, spiral case air outlet and heat transfer chamber intercommunication, indoor air from the spiral case air intake of spiral case both sides get into in the spiral case to blow in the heat transfer intracavity by the spiral case air outlet and carry out the heat transfer under the effect of wind wheel.

In some embodiments of the present invention, the electric heating device is disposed obliquely with respect to the air outlet, and the heating surface of the electric heating device is opposite to the volute air outlet, so that the effective heating area of the electric heating device is relatively increased, and the heating efficiency of the electric heating device is improved.

The utility model discloses an in some embodiments, the installation department has the identical shape with electric heater unit's tip, the surface and the air outlet of mounting panel are parallel, contained angle between the axis of installation department and the mounting panel is theta, wherein, theta is arbitrary value between 30 ~ 90, after electric heater unit passes through the mount pad and installs between the both sides wall of casing, contained angle between electric heater unit and the air outlet is 30 ~ 90, air after the heat transfer can be heated fully to electric heater unit's heating surface in this angle range.

The utility model discloses an in some embodiments, heat exchanger and electric heater unit set up in parallel to each other for the effective heat transfer area increase of heat exchanger improves heat exchange efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural view of an air outlet side of an air duct machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air inlet side of an air duct machine according to an embodiment of the present invention;

fig. 3 is a top view of a ducted air conditioner according to an embodiment of the present invention;

fig. 4 is a schematic internal structural diagram of the ducted air conditioner according to the embodiment of the present invention, with a part of the casing removed;

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 7 is a first schematic view of a mounting structure in an embodiment of the present invention;

fig. 8 is a second schematic view of the mounting structure in the embodiment of the present invention;

fig. 9 is a schematic structural view of a mounting bracket according to an embodiment of the present invention;

fig. 10 is a top view of a mounting bracket in an embodiment of the invention.

In the figure:

1. a housing; 101. an air inlet; 102. an air outlet; 103. a partition plate; 104. a heat exchange cavity; 105. a fan cavity; 2. a heat exchanger; 3. an electric heating device; 4. a fan; 41. a volute; 411. a volute air inlet; 412. a volute air outlet; 42. a wind wheel; 5. a mounting base; 51. an installation part; 6. a connecting plate; 7. mounting a plate; 71. mounting holes; 8. mounting a bracket; 81. a first mounting bracket; 82. a second mounting bracket; 801. a first connection hole; 802. a second connection hole; 9. a water pan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some, not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.

In the description of the present invention, it is to be understood that the terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a tuber pipe machine, tuber pipe formula air conditioning indoor set promptly. The ducted air conditioner comprises a machine shell 1, wherein the machine shell 1 forms the appearance of the ducted air conditioner, the machine shell 1 comprises an upper cover located at the top of the machine shell, a bottom plate located at the bottom of the machine shell and side walls located at the left side and the right side of the machine shell, a containing cavity is limited in the machine shell 1, and an air inlet 101 and an air outlet 102 communicated with the containing cavity are formed in the machine shell 1. Generally, the inlet 101 and the outlet 102 are oppositely disposed at two ends of the housing, for example, the inlet 101 and the outlet 102 are oppositely disposed at the front end and the rear end of the housing 1, respectively.

Fig. 1-4 are schematic views of an air duct machine according to an embodiment of the present invention, where fig. 1 is a schematic structural view of an air outlet side of the air duct machine according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of an air inlet side of an air duct machine according to an embodiment of the present invention; fig. 3 is a top view of an air duct machine according to an embodiment of the present invention; fig. 4 is a schematic view of an internal structure of the ducted air conditioner according to an embodiment of the present invention, after a part of the casing is removed.

As shown in fig. 4, a partition plate 103 is disposed in the accommodating chamber of the duct type air conditioner, and the partition plate 103 divides the accommodating chamber into a heat exchange chamber 104 and a fan chamber 105 which are communicated with each other. The heat exchange cavity 104 is communicated with the air outlet 102, and the fan cavity 105 is communicated with the air inlet 101.

With further reference to fig. 4, a heat exchanger 2 is disposed in the heat exchange cavity 104, and the heat exchanger 2 is disposed near the air outlet 102 and is configured to exchange heat with air entering the heat exchange cavity 104, so that the temperature of the indoor air entering the heat exchange cavity 104 is reduced. In some embodiments, the heat exchanger 2 is obliquely disposed at a side close to the air outlet 102, and the heat exchanger 2 covers almost the entire heat exchange cavity 104 in an oblique direction thereof, so that a heat exchange area of the heat exchanger 2 is increased, a heat exchange efficiency of the air duct machine is improved, and an amount of air for heat exchange is increased.

Fig. 6 is a cross-sectional view taken along the direction B-B in fig. 3, thereby illustrating the arrangement of the components inside the ducted air conditioner in the width direction. As shown in fig. 6, an electric heating device 3 is further disposed between the heat exchanger 2 and the air outlet 102, and the electric heating device 3 is disposed in the accommodating cavity and is disposed obliquely with respect to the air outlet 102. The electric heating device 3 is positioned in the air duct machine, so that the installation depth of the air duct machine can be effectively reduced, the installation space is saved, the installation cost of the air duct machine is reduced, and the product competitiveness is improved.

Referring to fig. 4, a fan 4 is disposed in the fan cavity 105, and the fan 4 is located on a side of the heat exchanger 2 close to the air inlet 101. The fan 4 includes a volute 41 and a wind wheel 42 disposed in the volute 41. A volute inlet 411 and a volute outlet 412 are formed on the volute 41, the volute inlet 411 is located on both sides of the volute 41 and is communicated with the air inlet 101 of the air duct machine, the fan chamber 105 is communicated with the heat exchange chamber 104 through the volute outlet 412, and the volute outlet 412 is arranged facing the heat exchanger 2 to send the wind blown out by the wind wheel 42 to the heat exchanger 2 for heat exchange.

Use the embodiment of the utility model provides an during tuber pipe machine dehumidifies indoor air, this moment the tuber pipe machine be the refrigeration mode, indoor air gets into in fan chamber 105 via tuber pipe machine's air intake 101 to get into in volute 41 from both sides by volute air intake 411, blow off to heat transfer chamber 104 in from volute air outlet 412 after wind wheel 42's effect, carry out the heat transfer refrigeration via heat exchanger 2 in the heat transfer chamber 104, make moisture condensation in the indoor air separate out, in order to reach the dehumidification purpose. Because the temperature reduction of cooling dehumidification messenger room air, if directly blow in indoor can cause the body to feel the temperature and reduce, influence the comfort level, consequently, the room air after the dehumidification passes through electric heater unit 3's heating effect, and the temperature rises back and then blows in indoor via air outlet 101, from this circulation realization to the dehumidification process of not cooling of room air.

The embodiment of the utility model provides an electric heater unit 3's mounting means is provided. Fig. 5 is a partially enlarged view of the installation portion of the electric heating apparatus of fig. 4. As shown in fig. 5, two ends of the electric heating device 3 are mounted on two side walls of the casing 1 through mounting structures, so that the electric heating device 3 is transversely disposed inside the air outlet 102, and it is ensured that the air blown out from the air outlet 102 is heated by the electric heating device 3.

Fig. 7 and 8 are schematic structural diagrams of a mounting structure according to an embodiment of the present invention. As shown in fig. 7 and 8, the mounting structure includes a mounting seat 5 connected to an end of the electric heating device 3, one side of the mounting seat 5 is recessed inward to form a mounting portion 51, the end of the electric heating device 3 is inserted into the mounting portion 51, the other side of the mounting seat 5 extends to form a connecting plate 6, and the end of the connecting plate 6 extends toward a side wall of the cabinet 1 to form the mounting plate 7. It will be appreciated that the distance between the two mounting seats 5 is adapted to the length of the electric heating device 3, so that the electric heating device 3 can be smoothly mounted between the two side walls of the cabinet 1.

The two side walls of the casing 1 are oppositely provided with mounting brackets 8, the mounting brackets 8 are detachably mounted on the side walls near the air outlet 102, and the mounting brackets 8 can be detachably connected with the mounting plates 7. Both ends of the electric heating device 3 are respectively inserted into the mounting portions 51 of the mounting base 5, and the mounting base 5 is detachably connected to the mounting bracket 8 through the mounting plate 7, so that the electric heating device 3 is detachably connected at a position close to the air outlet 102. Through above mode for convenient dismantlement and the maintenance of electric heater unit 3, when needs maintain or change electric heater unit 3, need not to dismantle casing 1, only need to demolish mounting panel 7 and installing support 8 and can realize electric heater unit's dismantlement and change.

Fig. 9 and fig. 10 are schematic structural diagrams of an implementation manner of a mounting bracket 8 according to an embodiment of the present invention, where fig. 9 is a schematic perspective structural diagram of the mounting bracket 8 in the embodiment, and fig. 10 is a top view of the mounting bracket 8 in the embodiment. In the present embodiment, the mounting bracket 8 includes a first mounting bracket 81 and a second mounting bracket 82 connected to the first mounting bracket 81. Wherein the first mounting bracket 81 is disposed toward the mounting plate 7 and detachably connected with the mounting plate 7. Specifically, the mounting plate 7 has a mounting hole 71 formed therein, the first mounting bracket 81 has a first connecting hole 801 formed therein, and the first connecting hole 801 is engaged with the mounting hole 71 of the mounting plate 7 and is fastened and mounted by a fastener. In order to achieve more stable installation, two sets of installation holes 71 and first connection holes 801 are correspondingly arranged at two end positions of the installation plate 7 and the first installation part 81, respectively.

As shown in fig. 9, a second connecting hole 802 is formed in the second mounting bracket 82, and the mounting bracket 8 is detachably mounted on the side wall of the housing 1 through the second connecting hole 802. Because the first mounting bracket 81 is used for connecting the mounting plate 7, and the second mounting bracket 82 is used for connecting the side wall of the casing 1, a certain included angle is formed between the first mounting bracket 81 and the second mounting bracket 82. The mounting plate 7 is generally perpendicular with respect to the side wall of the cabinet 1 (see fig. 5), and thus, in some embodiments, the first mounting bracket 81 and the second mounting bracket 82 are disposed perpendicular to each other.

The mounting portion 51 has a shape that fits the end of the electric heating apparatus 3, thereby fixing both ends of the electric heating apparatus 3. In some embodiments, to realize the inclined installation of the electric heating device 3, the surface of the mounting plate 7 is disposed parallel to the air outlet 102, that is, the surface of the mounting plate 7 is disposed opposite to the air outlet 102, so that the inclination of the installation part 51 can be set with reference to the direction of the surface of the mounting plate 7, and thus, when the electric heating device 3 is installed on the two side walls of the cabinet 1 through the installation seat 5, a desired inclination can be obtained. As shown in fig. 7, the included angle between the central axis of the mounting portion 5 and the mounting plate 7 is θ, wherein θ is greater than 0 ° and less than 90 °, so that the electric heating device 3 is disposed obliquely with respect to the outlet.

As shown in fig. 4, in some embodiments, the heat exchanger 2 is disposed obliquely from a position vertically far away from the volute air outlet 412 toward the air outlet 102, so that the heat exchange surface of the heat exchanger 2 is disposed facing the air outlet direction of the volute air outlet 412, the effective heat exchange area of the heat exchanger 2 is relatively increased, and the heat exchange efficiency is improved.

As shown in fig. 4, in some embodiments, the electric heating device 3 is disposed obliquely toward the air outlet 102 from a position vertically far away from the volute air outlet 412, so that the heating surface of the electric heating device 3 is disposed facing the air outlet direction of the volute air outlet 412, so that the effective heating area of the electric heating device 3 is relatively increased, and the heating efficiency of the electric heating device is improved.

In the embodiment shown in fig. 4, the volute outlet 412 is located near the top of the fan cavity 105, and the air entering the volute 41 is blown out from the volute outlet 412 by the wind wheel 42 and flows obliquely downward under the inertia effect. The heat exchanger 2 and the electric heating device 3 are both arranged obliquely towards the air outlet 102 of the casing 1 at a position vertically far away from the volute air outlet 412, that is, the heat exchanger 2 and the electric heating device 3 are inclined obliquely towards a position close to the air outlet 102 from a position close to the bottom of the accommodating cavity, so that air blown out from the volute air outlet can be blown approximately vertically through the surfaces of the heat exchanger 2 and the electric heating device 3 in sequence, and the maximization of an effective heat exchange area and an effective heating area is realized.

In the above embodiment, the heating surface of the electric heating device 3 and the heat exchange surface of the heat exchanger 2 are arranged in parallel, that is, the action surfaces of the electric heating device 3 and the heat exchanger 2 are both arranged facing the air outlet direction of the volute air outlet 412, so that the effective heat exchange area and the effective heating area are relatively increased, the air blown out from the fan 4 can be more sufficiently heat exchanged through the heat exchanger 2, and then is more sufficiently heated through the electric heating device 3, the temperature of the air can be effectively increased before the air is blown out from the air outlet 102, the situation that the excessively low temperature air which is not heated is directly blown to a user is avoided, and the comfort level of the user is reduced.

In some embodiments, the included angle θ between the central axis of the mounting portion 5 and the mounting plate 7 is set to be any value between 30 ° and 90 °, so that when the electric heating device 3 is mounted between the two sidewalls of the casing 1 through the mounting portion 5, the included angle between the electric heating device 3 and the air outlet 102 is 30 ° to 90 °, and the heating surface of the electric heating device 3 can sufficiently heat the air after heat exchange in the angle range.

In some embodiments, as shown in fig. 4, three sets of fans 4 are arranged side by side along the air inlet 101 of the ducted air conditioner to increase the air inlet volume of the ducted air conditioner and improve the work efficiency. The volute outlets 412 of the three sets of fans 4 are located at the same height position, that is, as shown in fig. 4, the three sets of volute outlets 412 are located at the top position of the accommodating chamber at the same time, or in other embodiments, may be disposed at the bottom position of the accommodating chamber at the same time as required, so that the air outlet directions of the fans 4 are the same, and the inclination directions of the heat exchanger 2 and the electric heating device 3 are determined conveniently according to the air outlet directions of the fans 4.

An opening part for the volute air outlet 412 to pass through is formed in the position, corresponding to the volute air outlet, of the partition plate 103, the opening part is in close butt joint with the volute air outlet 412, so that the fan cavity 105 is communicated with the heat exchange cavity 104 only through the volute air outlet, namely, after indoor air enters the fan cavity 105 from the air inlet 101 of the machine shell 1, the indoor air enters the wind wheel 42 from the volute air inlets 411 on the two sides of the volute 41 and is blown into the heat exchange cavity 104 through the volute air outlet 412, and air which does not pass through the fan 41 in the fan cavity 105 cannot enter the heat exchange cavity 104, so that the air in the fan cavity 105 is gathered by the fan 4 and is blown into the heat exchange cavity 104 from one direction, the fan and heat exchange efficiency is improved, and the working efficiency of the air duct machine is improved.

As shown in fig. 6, the ducted air conditioner further includes a water pan 9 disposed in the accommodating cavity, wherein the water pan 9 is located at the bottom of the heat exchanger 2 and is used for receiving the condensed water flowing down from the heat exchanger 2, a water drainage groove or a water drainage hole may be disposed on the water pan 9 to drain the water in the water pan out of the water pan, so as to prevent the condensed water generated on the heat exchanger 2 from flowing out of the casing of the ducted air conditioner, which may cause indoor water dripping.

Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A ducted air conditioner, comprising:

the air conditioner comprises a machine shell, a fan and a control device, wherein an air outlet is formed on the machine shell, the machine shell comprises two opposite side walls in the height direction, and an accommodating cavity is defined in the machine shell;

the mounting seat, its one side is sunken to form the installation department inwards, electric heater unit's both ends are provided with respectively the mounting seat, just electric heater unit's tip is inserted and is located in the installation department, the mounting seat is kept away from the opposite side of installation department with lateral wall detachably connects.

2. The ducted air conditioner according to claim 1, wherein the other side of the mounting seat facing away from the mounting portion extends to form a connecting plate, an end portion of the connecting plate extends towards the side wall to form a mounting plate, mounting brackets are oppositely arranged on the two side walls, the mounting brackets are detachably mounted on the side walls near the air outlet, and the mounting brackets are detachably connected with the mounting plate.

3. The ducted air conditioner of claim 2, wherein the mounting bracket includes a first mounting bracket disposed toward and removably coupled with the mounting plate and a second mounting bracket coupled with the first mounting bracket, the second mounting bracket extending along and removably coupled with the side wall.

4. The ducted air conditioner of claim 3, wherein the mounting plate defines a mounting hole, the first mounting bracket defines a first connecting hole, the first connecting hole is engaged with the mounting hole and can be fastened by a fastener, the second mounting bracket defines a second connecting hole, and the mounting bracket is detachably mounted to the side wall through the second connecting hole.

5. The ducted air conditioner according to claim 2, wherein an air inlet is further formed in the casing, the air inlet is communicated with the air outlet, and a fan is further disposed in the accommodating chamber and located on one side of the heat exchanger close to the air inlet.

6. The duct machine according to claim 5, wherein a partition is disposed in the accommodating chamber, the partition divides the accommodating chamber into a heat exchange chamber and a fan chamber, the heat exchange chamber is communicated with the air outlet, the fan chamber is communicated with the air inlet, the heat exchanger is located in the heat exchange chamber, and the fan is located in the fan chamber.

7. The ducted air conditioner according to claim 6, wherein the blower includes a volute and a wind wheel disposed in the volute, the volute is formed with a volute air inlet and a volute air outlet, the volute air inlet is communicated with the air inlet, and the volute air outlet is communicated with the heat exchange chamber.

8. The duct machine of claim 7, wherein the electrical heating device is disposed obliquely with respect to the outlet opening and a heating surface of the electrical heating device faces the volute outlet opening.

9. The ducted air conditioner according to claim 8, wherein the mounting portion has a shape that fits an end of the electric heating device, a surface of the mounting plate is parallel to the air outlet, and an angle θ is formed between a central axis of the mounting portion and the mounting plate, where θ is any value between 30 ° and 90 °.

10. The ducted air conditioner of claim 9, wherein the heat exchanger and the electric heating device are arranged in parallel with each other.