Duct type air conditioner

Abstract

The utility model discloses a duct type air conditioner which comprises a machine body, an air conditioner air inlet and an air conditioner air outlet are formed in the two ends of the machine body in the width direction respectively. The indoor heat exchanger is arranged in the machine body and close to the air conditioner air inlet; the cross-flow fan is arranged in the machine body and located between the indoor heat exchanger and the air conditioner air outlet. The end plate is located in the machine body and connected to one end, in the length direction, of the indoor heat exchanger; the sensor support is fixedly arranged on the end plate and located between the air conditioner air inlet and the indoor heat exchanger. The mounting part is formed on the sensor bracket; and the environment temperature sensor is embedded in the mounting part, and the minimum distance between the environment temperature sensor and the indoor heat exchanger is larger than 15 mm. According to the utility model, the environment temperature sensor is installed by arranging the sensor bracket without being fixed by a wire bundle, so that the assembly is convenient. Meanwhile, the distance between the environment temperature sensor and the indoor heat exchanger is long, and the temperature detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, in particular to a duct air conditioner. Background Art

[0002] With the popularity of air conditioners, more and more users choose to install central air conditioners at home. As a type of central air conditioner, duct air conditioners are favored by users for their low cost, simple structure, hidden installation and other advantages. Existing duct air conditioners can usually be installed in the ceiling, which mainly includes a body and a cross-flow fan and an indoor heat exchanger installed inside the body. The body is provided with an air conditioning inlet and an air conditioning outlet. The cross-flow fan introduces air from the air conditioning inlet into the body, and after heat exchange in the indoor heat exchanger, the air conditioning air is formed and sent out from the outlet.

[0003] An ambient temperature sensor is usually installed inside the duct air conditioner to detect the indoor ambient temperature and send it to the electronic control board to control various control actions of the air conditioner. The location of the ambient temperature sensor is set reasonably and appropriately, which can provide accurate temperature, so that the air conditioner can act accurately (cooling, heating, etc.). If the location of the ambient temperature sensor is not set properly, it is very easy for the ambient temperature sensor to be affected by condensed water, indoor heat exchanger, refrigerant temperature, etc., which can easily lead to abnormal shutdown, abnormal startup and other problems, affecting the normal use of users.

[0004] In the related art, the ambient temperature sensor usually passes through the end plate at one end of the indoor heat exchanger from the inside, and then needs to be tied with wires, which not only reduces production efficiency but also increases costs. In addition, most existing ambient temperature sensors are close to the indoor heat exchanger, and are affected by the temperature of the indoor heat exchanger, resulting in inaccurate temperature detection, which in turn leads to inaccurate air conditioning control, reducing user experience and affecting product experience. Utility Model Content

[0005] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end,

[0006] The utility model provides a duct machine, comprising:

[0007] An indoor heat exchanger is disposed in the machine body and close to the air inlet of the air conditioner;

[0008] A cross-flow fan is disposed in the machine body and located between the indoor heat exchanger and the air outlet of the air conditioner; under the action of the cross-flow fan, indoor air enters the machine body through the air inlet of the air conditioner, and is output to the room through the air outlet of the air conditioner after heat exchange through the indoor heat exchanger;

[0009] An end plate, located in the machine body and connected to one end of the indoor heat exchanger in the length direction;

[0010] A sensor bracket is fixed on the end plate and located between the air inlet of the air conditioner and the indoor heat exchanger;

[0011] A mounting portion, formed on the sensor bracket, the mounting portion being in communication with the indoor environment;

[0012] An ambient temperature sensor is embedded in the installation portion to detect the indoor ambient temperature. The minimum distance between the ambient temperature sensor and the indoor heat exchanger is greater than 15 mm.

[0013] The duct air conditioner provided by the technical solution realizes the clamping and fixing of the ambient temperature sensor by setting a sensor bracket, and does not need to be fixed with wire ties. It has a simple structure and is easy and quick to assemble. By setting the minimum distance between the ambient temperature sensor and the indoor heat exchanger to be greater than 15 mm, the distance between the two is relatively far, which weakens the influence of the indoor heat exchanger on the indoor ambient temperature detected by the ambient temperature sensor, improves the detection accuracy, avoids inaccurate air conditioning control action, and improves the user experience.

[0014] The utility model also provides a duct machine, which includes:

[0015] A machine body, wherein two ends of the machine body in a width direction are respectively provided with an air-conditioning air inlet and an air-conditioning air outlet;

[0016] An indoor heat exchanger is disposed in the machine body and close to the air inlet of the air conditioner;

[0017] A cross-flow fan is disposed in the machine body and located between the indoor heat exchanger and the air outlet of the air conditioner; under the action of the cross-flow fan, indoor air enters the machine body through the air inlet of the air conditioner, and is output to the room through the air outlet of the air conditioner after heat exchange through the indoor heat exchanger;

[0018] an end plate connected to one end of the indoor heat exchanger in the length direction;

[0019] A sensor bracket is fixed on the end plate and located between the air inlet of the air conditioner and the indoor heat exchanger;

[0020] A mounting portion is formed in the sensor bracket and communicated with the indoor environment, and a minimum distance between the mounting portion and the indoor heat exchanger is greater than 15 mm;

[0021] The ambient temperature sensor is embedded in the installation part and is used to detect the indoor ambient temperature.

[0022] The duct air conditioner provided by the technical solution realizes the clamping and fixing of the ambient temperature sensor by setting a sensor bracket, and does not need to be fixed with wire ties. It has a simple structure and is easy and quick to assemble. By setting the minimum distance between the mounting part and the indoor heat exchanger to be greater than 15mm, the distance between the ambient temperature sensor and the indoor heat exchanger is relatively far, which weakens the influence of the indoor heat exchanger on the indoor ambient temperature detected by the ambient temperature sensor, improves the accuracy of temperature detection, avoids inaccurate air conditioning control action, and improves the user experience.

[0023] In some embodiments, the mounting portion is formed inside the sensor bracket, a first connecting port is formed on a side of the sensor bracket facing the air inlet of the air conditioner, and a second connecting port is formed on a side of the sensor bracket facing the indoor heat exchanger, and the first connecting port and the second connecting port are connected with the mounting portion to form an air flow passage; by setting the air flow passage, when the duct air conditioner is working, indoor air enters the air inlet of the air conditioner, flows through the ambient temperature sensor through the air flow passage, thereby improving the temperature detection accuracy.

[0024] In some embodiments, a blocking portion is connected to the sensor bracket, and the blocking portion is arranged at the first connecting port to limit the ambient temperature sensor from escaping from the first connecting port, thereby improving the installation firmness of the ambient temperature sensor.

[0025] In some embodiments, an installation opening is provided on the end plate, and the installation opening is connected to the installation portion and allows the ambient temperature sensor to pass through; during assembly, the ambient temperature sensor is installed in the installation portion through the installation opening, which facilitates the installation of the ambient temperature sensor.

[0026] In some of the embodiments, a guide portion is further included, which is arranged on the side of the end plate close to the middle of the body, and the guide portion is located above the sensor bracket; by setting the guide portion, the condensed water flowing down from the end plate on the indoor heat exchanger is guided to prevent the condensed water from flowing into the ambient temperature sensor.

[0027] In some embodiments, the guide portion is inclined from top to bottom toward the direction close to the indoor heat exchanger; this arrangement allows the condensed water flowing down the end plate to be guided through the guide portion in a direction away from the ambient temperature sensor, thereby preventing the condensed water from entering the ambient temperature sensor.

[0028] In some of the embodiments, the sensor bracket is arranged near the bottom end of the end plate; by arranging the sensor bracket at the lower part of the end plate, the temperature detected by the ambient temperature sensor is closer to the room temperature, and the detected temperature is more accurate.

[0029] In some of the embodiments, a wire passing portion is provided on one side of the end plate away from the sensor bracket; by providing the wire passing portion for the electric control wire of the ambient temperature sensor to pass through, there is no need to tie the wires together, which is convenient and quick.

[0030] In some of the embodiments, an electrical box is provided at one end of the body in the length direction, and the electrical box is arranged close to the sensor bracket; an electrical control board is arranged inside the electrical box, and the electrical control line of the ambient temperature sensor passes through the line passing part and is electrically connected to the electrical control board; by arranging the electrical box close to the sensor bracket, the length of the electrical control line is shortened, and the routing and wiring arrangement are facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of an embodiment of the utility model air duct machine;

[0032] Figure 2 This is a schematic structural diagram of an embodiment of the utility model duct machine from another perspective;

[0033] Figure 3 It is a front view of an embodiment of the utility model air duct machine;

[0034] Figure 4 yes Figure 3 Sectional view in the AA direction;

[0035] Figure 5 This is an exploded view of the body and the air inlet filter assembly of an embodiment of the duct machine of the utility model;

[0036] Figure 6 This is a schematic diagram of the structure of the air inlet filter assembly in one embodiment of the utility model air duct machine Figure 1 ;

[0037] Figure 7 It is a rear view of an air inlet filter assembly in one embodiment of the utility model air duct machine;

[0038] Figure 8 yes Figure 7 Cross-sectional view in the BB direction;

[0039] Fig. 9 This is a cross-section of the body of an embodiment of the utility model duct machine Figure 1 ;

[0040] Fig.10 yes Fig. 9 A partial enlarged view of point C in the middle;

[0041] Fig.11 This is a cross-section of the body of an embodiment of the utility model duct machine Figure 2 ;

[0042] Fig.12 yes Fig.11 A partial enlarged view of the middle A;

[0043] Fig.13 yes Fig.11 A partial enlarged view of point B in the middle;

[0044] Fig.14 It is a schematic diagram of the installation process of the air inlet filter assembly in one embodiment of the utility model air duct machine;

[0045] Fig.15 This is a schematic diagram of the structure of the air inlet filter assembly in one embodiment of the utility model air duct machine Figure 2 ;

[0046] Fig.16 This is a schematic diagram of the structure of the air inlet filter assembly in one embodiment of the utility model air duct machine Figure 3 ;

[0047] Fig.17 yes Fig.16 A partial enlarged view of point D in the middle;

[0048] Fig.18 It is a partial cross-sectional view of a body of an embodiment of the utility model air duct machine;

[0049] Fig.19 This is a schematic diagram of the connection between the electric auxiliary heating component and the heat exchanger component in one embodiment of the utility model duct machine Figure 1 ;

[0050] Fig. 20 This is a schematic diagram of the structure of the heat exchanger assembly in one embodiment of the utility model air duct machine Figure 1 ;

[0051] Fig.21 This is a schematic diagram of the connection between the electric auxiliary heating component and the heat exchanger component in one embodiment of the utility model duct machine Figure 2 ;

[0052] Fig. 22 yes Fig. 20 A partial enlarged view of point F in the middle;

[0053] Fig.23 yes Fig.21 A partial enlarged view of point E in the middle;

[0054] Fig.24 This is a schematic diagram of the structure of the heat exchanger assembly in one embodiment of the utility model air duct machine Figure 2 ;

[0055] Fig.25 This is a schematic diagram of the structure of an electric auxiliary heating component in an embodiment of the utility model air duct machine;

[0056] Fig.26 This is a schematic diagram of the partial structure of the electric auxiliary heating component in one embodiment of the utility model air duct machine Figure 1 ;

[0057] Fig. 27 This is a schematic diagram of the partial structure of the electric auxiliary heating component in one embodiment of the utility model air duct machine Figure 2 ;

[0058] Fig.28 This is a schematic structural diagram of an embodiment of the utility model duct machine from another perspective;

[0059] Fig.29 yes Fig.28 A partial enlarged view of the G in the middle;

[0060] Fig.30 It is a rear view of a heat exchanger assembly in one embodiment of the utility model air duct machine;

[0061] Fig.31 yes Fig.30 Cross-sectional view in CC direction;

[0062] Fig.32 This is a schematic diagram of the connection between the heat exchanger assembly and the temperature detection assembly in one embodiment of the utility model air duct machine;

[0063] Fig.33 yes Fig.32 A partial enlarged view of the H in the middle;

[0064] Fig.34 It is a partial structural schematic diagram of a temperature detection component and a heat exchanger component in one embodiment of the utility model air duct machine;

[0065] Fig.35 It is a structural schematic diagram of an embodiment of the utility model duct machine in which the first side plate is omitted;

[0066] Fig.36 yes Fig.35 A partial enlarged view of point I in the middle; Fig.37 It is a three-dimensional diagram of an embodiment of the utility model air duct machine;

[0067] Fig.38 This is a schematic diagram of the structure of the electric control assembly in one embodiment of the utility model duct machine;

[0068] Fig.39 It is a schematic diagram of the connection between the electric control component and the first side plate in one embodiment of the duct machine of the utility model;

[0069] Fig.40 It is a partial exploded view of the electric control assembly and the first side panel in one embodiment of the duct machine of the utility model;

[0070] Fig.41 yes Fig.40 A partial enlarged view of the J in the middle;

[0071] Fig.42 yes Fig.39 Schematic diagram from another perspective;

[0072] Fig.43 It is a cross-sectional view of an embodiment of the utility model of the duct machine in which the electric control assembly is assembled to the first side plate;

[0073] Fig.44 yes Fig.43 A partial enlarged view of the K in the middle;

[0074] Fig.45 It is a state diagram of the electric control component during the assembly process of one embodiment of the duct machine of the utility model;

[0075] Fig.46 yes Fig.45 Schematic diagram of the state from another perspective;

[0076] Fig.47 This is a partial exploded view of an electrical box in one embodiment of the utility model air duct machine;

[0077] Fig.48 It is a structural schematic diagram of the electric control assembly in another embodiment of the utility model air duct machine;

[0078] Fig.49 yes Fig.48 A partial exploded view of

[0079] Fig.50 It is a partial exploded view of the electric control assembly and the body of another embodiment of the duct machine of the utility model;

[0080] Fig.51 This is a schematic diagram of the connection between the fan assembly and the heat exchanger assembly in another embodiment of the duct air conditioner of the utility model;

[0081] Fig.52 It is a structural schematic diagram of a fan assembly in another embodiment of the utility model air duct fan;

[0082] Fig.53 yes Fig.52 A partial enlarged view of the M in the middle;

[0083] Fig.54 It is a partial exploded view of a driving motor and a cross-flow fan in one embodiment of the utility model air duct machine;

[0084] Fig.55 It is a structural schematic diagram of an embodiment of the utility model of the duct fan, in which the fan assembly omits the driving motor and the motor fixing plate;

[0085] Fig.56 It is a structural schematic diagram of a fan assembly in another viewing angle in one embodiment of the utility model air duct fan;

[0086] Fig.57 This is a partial exploded view of an embodiment of the utility model air duct machine;

[0087] Fig.58 It is a partial structural schematic diagram of a fan assembly in one embodiment of the utility model air duct fan;

[0088] Fig.59 yes Fig.58 A local enlarged view of the N position in the middle;

[0089] Fig.60 It is a partial exploded view of a fan assembly in one embodiment of the utility model duct fan;

[0090] Fig.61 It is a structural schematic diagram of a drive motor installed on a base in one embodiment of the utility model air duct machine;

[0091] Fig.62 It is a structural schematic diagram of an embodiment of the utility model of the duct fan in which the fan assembly omits the motor fixing plate;

[0092] Fig.63 It is a structural schematic diagram of an embodiment of the utility model of the air duct machine in which the motor fixing plate is in the first position;

[0093] Fig.64 It is a structural schematic diagram of a duct machine according to an embodiment of the utility model in which the motor fixing plate is in the second position.

[0094] In the above figures: body 10; accommodating chamber 101; air inlet 102; air outlet 103; top plate 104; positioning flange 1041; bottom plate 105; second clamping portion 1051; supporting flange 1052; first side plate 106; first connecting portion 1061; through opening 1062; protruding portion 1063; sixth connecting portion 1064; motor maintenance opening 1065; second side plate 107; air inlet filter assembly 1; protective net 11; bottom frame 111; supporting portion 112; side frame 113; limiting portion 12; bottom rib 121; guide rib 122; vertical section 1221; inclined section 1222; limiting Positioning rib 123; first clamping portion 13; limiting guide plate 14; abutting rib 15; handle portion 16; handle groove 17; elastic arm 171; bending arm 172; heat exchanger assembly 2; indoor heat exchanger 21; first end plate 22; first assembly portion 221; second end plate 23; second assembly portion 231; stop portion 232; first guide surface 2321; connecting strip 2322; stop protrusion 2323; limiting plate 233; fan assembly 3; cross-flow fan 31; shaft sleeve 311; mounting opening 312; drive motor 32; output shaft 321; first protrusion 322; second protrusion 323; fixing screw 33; motor guard Cover 34; second fixing hole 341; second limiting slot 342; motor fixing plate 35; connecting ear 351; first fixing hole 352; sleeve hole 353; first limiting protrusion 354; second limiting protrusion 355; motor mounting cavity 36; disassembly opening 37; base 38; first mounting slot 381; first screw hole 382; first limiting slot 383; volute 384; volute tongue 385; first partition part 386; positioning part 3861; second partition part 387; third screw hole 388; bearing 39; electric auxiliary heating component 4; electric heater 41; first connecting member 42; plug-in part 421; guide part 422; The second connecting member 43; the second guide surface 431; the water collecting tray 5; the avoidance portion 51; the temperature detecting component 6; the ambient temperature sensor 61; the sensor bracket 62; the mounting portion 621; the first connecting port 622; the second connecting port 623; the mounting port 624; the guide portion 63; the wire passing portion 64; the blocking portion 65; the electric control component 7; the electric control board 71; the electrical box 72; the box body 721; the rear plate 7211; the front plate 7212; the box cover 722; the plug-in component 73; the wiring terminal 74; the second connecting portion 75; the third connecting portion 76; the fourth connecting portion 77; the wiring cover 78; the fifth connecting portion 781; the second wiring port 782. DETAILED DESCRIPTION

[0095] The present invention is described in detail below by way of exemplary embodiments. However, it should be understood that, without further description, elements, structures and features in one embodiment may also be beneficially combined in other embodiments.

[0096] Reference to "embodiments" in the present invention means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those of ordinary skill in the art that the embodiments described in the present application may be combined with other embodiments without conflict.

[0097] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0098] The terms "first", "second" are used only for descriptive purposes and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first", "second" may explicitly or implicitly include one or more of the features.

[0099] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0100] In the present application, the central air-conditioning duct-type indoor unit (duct unit for short) belongs to an air conditioner, which includes a duct unit (i.e., the indoor unit of the air conditioner) and an outdoor unit (i.e., the outdoor unit of the air conditioner). The air conditioner performs a refrigeration cycle of the indoor unit by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the conditioned and heat-exchanged air.

[0101] The air duct machine provided by the embodiment of the utility model can have various implementation forms.

[0102] in, Figure 1 to Figure 64This is an illustrative embodiment of the duct air conditioner 100 of the utility model. The duct air conditioner 100 is arranged indoors, can be installed in the ceiling and on the ceiling, and can be used as a living room air conditioner, a curtain air conditioner, and a ceiling air conditioner for heat exchange with the indoor environment. The air conditioner can include an air conditioner outdoor unit, which is usually arranged outdoors to bring indoor heat to the outdoors.

[0103] refer to Figure 1 to Figure 3 The duct machine 100 includes a machine body 10. The machine body 10 can be installed in a suspended ceiling.

[0104] The body 10 has a top end and a bottom end, and the top end and the bottom end of the body 10 are two opposite ends of the body 10 in the vertical direction (thickness direction of the body 10). The left side of the body 10 and the right side of the body 10 are two opposite sides in the length direction of the body 10, and the front side of the body 10 and the rear side of the body 10 are two opposite sides in the width direction of the body 10.

[0105] refer to Figure 4 The housing 10 defines a receiving chamber 101 inside. The receiving chamber 101 is used to receive and fix various components in the duct machine 100, which can prevent foreign objects from colliding with various components in the housing 10, thereby improving the reliability of the duct machine 100 during transportation or installation.

[0106] In some embodiments of the present application, reference Figure 2 The body 10 may include an air conditioning air inlet 102 .

[0107] The air inlet 102 is in communication with the accommodating chamber 101 . The air inlet 102 serves as an inlet for the external air of the machine body 10 to flow in, allowing the indoor air to enter the accommodating chamber 101 through the air inlet 102 .

[0108] In some embodiments of the present application, reference Figure 3 The body 10 may include an air conditioning outlet 103 .

[0109] The air conditioning outlet 103 is in communication with the accommodating chamber 101 , and serves as an outlet for the heat exchange airflow in the machine body 10 to flow out, allowing the airflow in the accommodating chamber 101 to flow out through the air conditioning outlet 103 .

[0110] The air inlet 102 and the air outlet 103 are respectively disposed at two ends of the machine body 10 in the width direction thereof. That is, the air inlet 102 and the air outlet 103 are disposed opposite to each other in the width direction of the machine body 10 .

[0111] refer to Figure 5 The body 10 may include a top plate 104 . The top plate 104 forms the top end of the body 10 .

[0112] The body 10 may include a bottom plate 105. The bottom plate 105 forms the bottom end of the body 10, and the top end and the bottom end are two opposite ends of the body 10 in the thickness direction thereof.

[0113] The machine body 10 may include two side panels. The two side panels are two opposite ends of the machine body 10 in its length direction and are connected to the left and right sides of the top plate 104. The two side panels are a first side panel 106 and a second side panel 107.

[0114] The machine body 10 may include a front panel. The front panel forms the front end of the machine body 10 and is provided with an air conditioning outlet 103 .

[0115] The machine body 10 may include a rear panel. The front panel forms the rear end of the machine body 10, and the rear panel is provided with an air-conditioning air inlet 102.

[0116] The top plate 104 , the bottom plate 105 , the two side plates, the front plate and the rear plate together form a receiving cavity 101 .

[0117] The top plate 104, the bottom plate 105, the side plates, the front plate and the rear plate may be connected in a separate manner or in an integrated manner.

[0118] In this embodiment, the two ends of the side panels in the width direction of the body 10 are respectively bent and extended toward the opposite side to form a part of the front panel and the rear panel. Therefore, the top panel 104, the bottom panel 105 and the end parts surrounded by the two side panels form the air conditioning inlet 102 located at the rear side of the body 10 and the air conditioning outlet 103 located at the front side of the body 10.

[0119] It should be noted that the direction described in the article is based on the direction in which the user faces the duct machine 100, wherein the side facing the user when the duct machine 100 is in use is defined as the front side, the opposite side is defined as the rear side, the left and right sides are distinguished by the direction in which the user faces the duct machine 100, and the upper and lower sides of the duct machine 100 when it is generally working normally are defined to distinguish the up and down.

[0120] The air duct machine 100 may include a heat exchanger assembly 2. The heat exchanger assembly 2 is disposed in the accommodating chamber 101. Figure 4 The heat exchanger assembly 2 may include an indoor heat exchanger 21. The indoor heat exchanger 21 is used to perform heat exchange with the air entering the body 10.

[0121] The air duct machine 100 may include a fan assembly 3. The fan assembly 3 is disposed in the accommodating chamber 101. Figure 4 The fan assembly 3 may include a cross-flow fan 31. Under the action of the cross-flow fan 31, the indoor air outside the body 10 enters the accommodating chamber 101 through the air conditioning inlet 102, and the air in the accommodating chamber 101 may flow along the air conditioning inlet 102 toward the air conditioning outlet 103.

[0122] When the duct air conditioner 100 is in operation, under the action of the cross-flow fan 31, the indoor air enters the accommodating chamber 101 through the air-conditioning air inlet 102, and the indoor air in the accommodating chamber 101 flows through the indoor-indoor heat exchanger 21 for heat exchange, and the heat exchanged air flows outwardly to the room through the air-conditioning air outlet 103, thereby making the air conditioner cool and heat, play the role of regulating the indoor temperature to achieve a comfortable temperature for the user.

[0123] In this embodiment, due to the characteristics of the cross-flow fan 31 , the cross-flow fan 31 is disposed close to the air outlet 103 of the air conditioner, and the indoor heat exchanger 21 is disposed close to the air inlet 102 of the air conditioner.

[0124] That is to say, the cross-flow fan 31 is located between the air-conditioning outlet 103 and the indoor heat exchanger 21 , and the cross-flow fan 31 rotates to introduce indoor air into the machine body 10 from the air-conditioning inlet 102 , and after heat exchange in the indoor heat exchanger 21 , the air-conditioned wind is formed and delivered out from the air-conditioning outlet 103 .

[0125] The cross-flow fan 31 is extended along the length direction of the machine body 10. That is, the length direction of the machine body 10 is the axial direction of the cross-flow fan 31. Since the cross-flow fan 31 is small in size, the volume of the duct machine 100 is further reduced, the depth of the ceiling is reduced, the narrow depth requirement is met, the problem of the oppressive feeling in the room is solved, and the aesthetics of the room is improved.

[0126] In this embodiment, the indoor heat exchanger 21 can be a multi-stage heat exchanger. The indoor heat exchanger 21 includes a multi-stage heat exchanger, so that the indoor heat exchanger 21 is a semi-enclosed structure, and part of the cross-flow fan 31 is arranged in the semi-enclosed structure of the indoor heat exchanger 21, so that the cross-flow fan 31 and the indoor heat exchanger 21 are originally separated and arranged to overlap the cross-flow fan 31 and the indoor heat exchanger 21, and the space occupied by the indoor heat exchanger 21 and the cross-flow fan 31 is greatly reduced under the condition that the volume of the cross-flow fan 31 and the indoor heat exchanger 21 remains unchanged.

[0127] Continue to refer Figure 4 The indoor heat exchanger 21 includes three sections, namely the first section heat exchanger, the second section heat exchanger and the third section heat exchanger. The first section heat exchanger, the second section heat exchanger and the third section heat exchanger are connected in sequence to form an open structure. The open end of the open structure faces the air outlet 103 of the air conditioner, and the closed end of the open structure faces the air inlet 102 of the air conditioner. This arrangement increases the heat exchange area of ​​the indoor heat exchanger 21, improves the heat exchange efficiency of the air duct machine 100, and increases the amount of air exchanged.

[0128] In some embodiments of the present application, the air duct machine 100 may include a water receiving tray 5. The water receiving tray 5 is disposed at the bottom of the accommodating chamber 101 and is used to receive condensed water flowing down from the indoor heat exchanger 21 when the air duct machine 100 is working. The water receiving tray 5 is provided with a drain port for discharging the condensed water in the water receiving tray 5 out of the air duct machine 100.

[0129] In some embodiments of the present application, the air duct unit 100 may include a base 38. The base 38 is disposed in the accommodating cavity 101 to install the fan assembly 3 and the heat exchanger assembly 2.

[0130] The air conditioner outer unit may include an outdoor housing. An outdoor heat exchange air duct may be provided in the outdoor housing. The outdoor housing may include an outdoor air inlet. The outdoor air inlet may be connected to the outdoor heat exchange air duct. The outdoor air inlet may be used to introduce outdoor air into the outdoor heat exchange air duct.

[0131] The outdoor housing may include an outdoor air outlet, which may be connected to the outdoor heat exchange air duct, and may be used to lead the air in the outdoor heat exchange air duct out of the outdoor heat exchange air duct.

[0132] The air conditioner outdoor unit may include an outdoor heat exchanger. The outdoor heat exchanger may be arranged in an outdoor heat exchange air duct. The air conditioner outdoor unit may include an outdoor fan. The outdoor fan may be arranged in the outdoor heat exchange air duct. The rotation of the outdoor fan causes outdoor air to enter the heat exchange air duct from the outdoor air inlet to exchange heat with the outdoor heat exchanger, and the outdoor air after heat exchange flows out of the outdoor heat exchange air duct from the outdoor air outlet.

[0133] The air conditioner may include a compressor. The compressor is disposed in an outdoor heat exchange air duct. The compressor compresses a low-temperature and low-pressure refrigerant gas to discharge a high-temperature and high-pressure refrigerant gas, and the discharged refrigerant gas flows into a condenser.

[0134] The air conditioner may include a throttling device. The throttling device is used for throttling. The throttling device may be provided in the duct unit 100 or the air conditioner outdoor unit.

[0135] The air conditioner performs the refrigeration cycle of the air conditioner by using a compressor, a condenser, a throttling device and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion and evaporation, and supplies refrigerant to the air that has been conditioned and heat exchanged.

[0136] The condenser condenses the compressed refrigerant into liquid phase, and the heat is released to the surrounding environment through the condensation process.

[0137] The throttling device expands the high-temperature and high-pressure liquid refrigerant condensed in the condenser into a low-pressure liquid refrigerant. The throttling device may be an expansion valve.

[0138] The evaporator evaporates the refrigerant expanded in the throttling device and returns the refrigerant gas in a low temperature and low pressure state to the compressor.

[0139] The evaporator can achieve a refrigeration effect by utilizing the latent heat of evaporation of the refrigerant to exchange heat with the material to be cooled. In the whole cycle, the air conditioner can adjust the temperature of the indoor space.

[0140] Among the indoor heat exchanger 21 and the outdoor heat exchanger, one is a condenser and the other is an evaporator. When the indoor heat exchanger 21 is used as a condenser, the air conditioner is used as a heater in the heating mode, and when the indoor heat exchanger 21 is used as an evaporator, the air conditioner is used as a cooler in the cooling mode.

[0141] The duct machine 100 may include an electric control component 7. The electric control component 7 may include an electric control board 71, and the electric control board 71 is electrically connected to the electrical components inside the machine body 10 through an electric control line.

[0142] It can be understood that the electric control board 71 is configured to be electrically connected to the above-mentioned compressor, expansion valve and cross-flow fan 31 at least through electric control, so as to control at least the compressor, expansion valve and cross-flow fan 31, thereby controlling the operation of the entire duct machine 100 and realizing various predetermined functions of the air conditioner.

[0143] The electric control board 71 can transmit signals with the wire controller or remote controller via a communication line. The wire controller or remote controller sends an air conditioning control signal to control the air conditioner, and the electric control board 71 receives the air conditioning control signal to control the duct air conditioner 100 to work.

[0144] refer to Figures 4 to 18 In some embodiments of the present application, the duct air conditioner 100 may include an air inlet filter assembly 1. The air inlet filter assembly 1 is installed at the air inlet 102 of the air conditioner, and can filter the indoor air entering the air inlet 102 of the air conditioner to prevent dust and impurities from entering the interior of the body 10.

[0145] The air inlet filter assembly 1 may include a protective net 11. The protective net 11 covers the air inlet 102 of the air conditioner and can filter the indoor air entering the air inlet 102 of the air conditioner.

[0146] In some embodiments of the present application, the duct unit 100 may include a positioning flange 1041. The positioning flange 1041 is disposed at one end of the top plate 104 close to the air inlet 102 of the air conditioner.

[0147] refer to Figure 5 The positioning flange 1041 extends toward the bottom plate 105 to form the top wall of the air inlet 102. Figure 6 The air inlet filter assembly 1 may include a limiting portion 12 formed at the top end of the protective net 11 .

[0148] The positioning flange 1041 is adapted to be connected in the limiting portion 12. When the positioning flange 1041 is adapted to be connected in the limiting portion 12, the protective net 11 can rotate around the positioning flange 1041. In other words, the protective net 11 can rotate around the positioning flange 1041.

[0149] By providing the positioning flange 1041 and the limiting portion 12 , the two cooperate to achieve the positioning and limiting of the top of the protective net 11 .

[0150] In some embodiments of the present application, reference Figure 7 to Figure 10 The air inlet filter assembly 1 may include a first clamping portion 13. The first clamping portion 13 is disposed at the bottom of the protective net 11.

[0151] In some embodiments of the present application, the duct unit 100 may include a second clamping portion 1051 disposed on the bottom plate 105 , and the second clamping portion 1051 is adapted to be connected with the first clamping portion 13 so that the bottom of the protective net 11 can be detachably connected to the bottom plate 105 .

[0152] During assembly, the protective net 11 is tilted upward to align the limiting portion 12 with the positioning flange 1041, and the protective net 11 is pushed so that the positioning flange 1041 enters the limiting portion 12. At this time, the protective net 11 rotates around the positioning flange 1041 toward the direction close to the body 10 until the first clamping portion 13 is connected to the second clamping portion 1051.

[0153] When assembling the protective net 11 of the duct machine 100 provided in this embodiment, the operator holds the protective net 11 and tilts it upward to align the limiting portion 12 with the positioning flange 1041. After the limiting portion 12 is aligned with the positioning flange 1041, the protective net 11 is pushed upward so that the positioning flange 1041 enters the limiting portion 12, so that the top of the protective net 11 is limited, and the assembly of the protective net 11 is completed.

[0154] After the positioning flange 1041 enters the limiting portion 12, the operator controls the protective net 11 to rotate downward with the positioning flange 1041 as the axis until the first clamping portion 13 is connected to the second clamping portion 1051, so as to achieve the limiting fixation of the bottom of the protective net 11. The limiting portion 12 cooperates with the positioning flange 1041 to achieve the limiting fixation of the top of the protective net 11, and the first clamping portion 13 is clamped with the second clamping portion 1051 to achieve the limiting fixation of the bottom of the protective net 11. The upper and lower parts cooperate to facilitate the assembly of the protective net 11 and improve production efficiency. Fig.14 , which is a schematic diagram of the installation process of the air inlet filter assembly, and the direction of the arrow is the rotation direction of the protective net 11 when it is assembled.

[0155] In some embodiments of the present application, reference Figure 12 to Figure 14The limiting portion 12 may include a bottom rib 121 . The bottom rib 121 is disposed opposite to the positioning flange 1041 , and the bottom rib 121 may form a bottom wall of the limiting portion 12 .

[0156] The limiting portion 12 may include a guide rib 122. The guide rib 122 is connected to the bottom rib 121, and when the positioning flange 1041 enters the limiting portion 12, the guide rib 122 is located inside the body 10.

[0157] The limiting portion 12 may include a limiting rib 123. The limiting rib 123 and the guide rib 122 are respectively connected to the two sides of the bottom rib 121, and the positioning flange 1041 is located between the guide rib 122 and the limiting rib 123. When the positioning flange 1041 enters the limiting portion 12, the limiting rib 123 is located outside the body 10.

[0158] By providing the bottom rib 121 and the guide ribs 122 and the limiting ribs 123 connected to both sides of the bottom rib 121, the limiting portion 12 is a groove structure, that is, the limiting portion 12 is a limiting groove. The guide rib 122 cooperates with the limiting rib 123 and the bottom rib 121, so that the front side, the rear side and the bottom wall of the limiting portion 12 are all limited by the positioning flange 1041, thereby realizing the limiting setting of the top of the protective net 11.

[0159] In some embodiments of the present application, the guide rib 122 may include a vertical section 1221. The vertical section 1221 is connected to the bottom rib 121, and the vertical section 1221 is arranged opposite to the limiting rib 123.

[0160] The guide rib 122 may include an inclined section 1222 . One end of the inclined section 1222 is connected to an end of the vertical section 1221 away from the bottom rib 121 , and the other end of the inclined section 1222 extends upwardly and obliquely toward the direction close to the air outlet 103 .

[0161] In this embodiment, by providing the inclined section 1222, the guide rib 122 has a guiding function, the notch of the limiting groove is enlarged, and the positioning flange 1041 is conveniently inserted into the limiting groove.

[0162] In some embodiments of the present application, the duct machine 100 may include a support flange 1052. The support flange 1052 is disposed on the bottom plate 105, and the support flange 1052 is used to support the protective net 11. Fig.14 The supporting flange 1052 can form the bottom wall of the air inlet 102 of the air conditioner. The top end of the protective net 11 and the bottom end of the protective net 11 can respectively abut against the positioning flange 1041 and the supporting flange 1052.

[0163] The protective net 11 is supported between the positioning flange 1041 and the supporting flange 1052, so as to realize the supporting setting of the machine body 10, enhance the strength of the machine body 10, and prevent the duct machine 100 from being deformed or crushed due to stacking or the like.

[0164] In some embodiments of the present application, reference Fig.15 The air inlet filter assembly 1 may include a limiting guide plate 14. The limiting guide plate 14 is arranged at both ends of the protective net 11 in the length direction thereof.

[0165] After the protective net 11 is assembled, the limiting guide plate 14 is inserted into the air inlet 102 of the air conditioner to achieve left and right limiting of the protective net 11 .

[0166] In this embodiment, by providing the limiting guide plate 14, the protection net 11 can also be guided during the assembly process.

[0167] Specifically, after the positioning flange 1041 enters the limiting portion 12, the operator controls the protective net 11 to rotate downward with the positioning flange 1041 as the axis, and inserts the limiting guide plate 14 into the air inlet 102 of the air conditioner, which plays the role of installation guide and left and right limiting. After the limiting guide plate 14 is inserted into the air inlet 102 of the air conditioner, it continues to rotate until the first clamping portion 13 is connected to the second clamping portion 1051, and the assembly of the protective net 11 is completed.

[0168] In some embodiments of the present application, continue to refer to Fig.15 The two ends of the protective net 11 in the length direction are provided with abutting ribs 15, which are suitable for abutting against the outside of the machine body 10. After the protective net 11 is assembled, the abutting ribs 15 abut against the machine body 10 at the two ends in the length direction of the air inlet 102 of the air conditioner. By providing the abutting ribs 15, the protective net 11 is firmly installed on the machine body 10.

[0169] In some embodiments of the present application, the protective net 11 may include a bottom frame 111. The bottom frame 111 forms the bottom end of the protective net 11, and one end of the bottom frame 111 away from the limiting portion 12 is suitable for abutting against the supporting flange 1052.

[0170] In some embodiments of the present application, reference Figure 16 to Figure 18 The air inlet filter assembly 1 may include a handle 16. The handle 16 is provided for the operator to hold during the assembly or disassembly of the protective net 11. The handle 16 is provided on the bottom frame 111. By providing the handle 16, the operator can hold the handle 16 to facilitate the disassembly and assembly of the protective net 11, thereby improving the convenience of disassembly and assembly of the protective net 11.

[0171] In some embodiments of the present application, reference Fig.18 The bottom end of the handle portion 16 is recessed upward to form a handle groove 17. An elastic arm 171 is disposed in the handle groove 17, and the first clamping portion 13 is disposed on the elastic arm 171, so that when the first clamping portion 13 is clamped or released with the second clamping portion 1051, the elastic arm 171 can be elastically deformed, which facilitates the assembly and disassembly of the protective net 11.

[0172] Among them, one end of the elastic arm 171 close to the air outlet 103 of the air conditioner is connected to the handle portion 16 through the bending arm 172, and the first clamping portion 13 is arranged on a side surface of the elastic arm 171 away from the bending arm 172. The first clamping portion 13 can be one of a clamping block or a clamping slot, and the second clamping portion 1051 can be the other of the clamping block or the clamping slot.

[0173] In this embodiment, the first clamping portion 13 is a protruding clamping block, and the second clamping portion 1051 is a clamping groove adapted to the clamping block. When assembling the filter, the clamping block can enter the clamping groove to achieve the lower limit fixation of the protective net 11.

[0174] There is a gap between the elastic arm 171 and the handle portion 16 and the bottom frame 111. The gap makes the elastic arm 171 elastic and can produce elastic deformation in the gap direction between the elastic arm 171 and the handle portion 16.

[0175] By setting the gap, the elastic arm 171 has elasticity and can produce elastic deformation. When removing the protective net 11, the elastic arm 171 can be moved toward the handle portion 16, so that the first clamping portion 13 is disengaged from the second clamping portion 1051, which facilitates the removal of the protective net 11.

[0176] Specifically, when the protective net 11 needs to be disassembled, the operator presses the upper handle 16 with his hand, pinches the front end of the elastic arm 171, pinches upward, and holds the handle 16 to pull the protective net 11 outward (backward), so that the first clamping portion 13 is disengaged from the second clamping portion 1051, thereby separating the protective net 11 from the body 10. Continue to pull outward and rotate outward at the same time, so that the limiting guide plate 14 is rotated out of the air inlet 102 of the air conditioner. The operator holds the handle 16 and pulls it downward to achieve the disassembly of the protective net 11.

[0177] In the above embodiment, the protective net 11 does not need to be operated from the side of the air inlet 102 when it is disassembled and assembled, and is not restricted by the small space around the duct machine 100. The protective net 11 can be disassembled and assembled in a smaller space, which is suitable for a variety of installation scenarios and is conducive to improving market competitiveness.

[0178] In this embodiment, two handles 16 are provided, and the two handles 16 are spaced apart along the length direction of the protective net 11. Two first clamping parts 13 are provided corresponding to the handles 16, and similarly, two second clamping parts 1051 are also provided.

[0179] In some embodiments of the present application, a relief portion 51 is provided on the water receiving tray 5. Fig.14The avoidance portion 51 is matched with the bending arm 172, so that the bending arm 172 can be accommodated in the avoidance portion 51. By providing the avoidance portion 51, the water receiving tray 5 is prevented from interfering with the installation of the protective net 11, and the width direction of the body 10 can be reduced to a certain extent, thereby reducing the depth of the ceiling and improving the aesthetics.

[0180] In some embodiments of the present application, the protective net 11 may include a frame. The frame is the main part of the protective net 11, and the frame is connected to the body 10. It can be understood that the bottom frame 111 is a part of the frame, and the limit portion 12 forms the top of the frame. The frame may include a side frame 113, and the abutting rib 15 is arranged on the side frame 113.

[0181] The protective net 11 may include a plurality of support portions 112. The support portions 112 are extended in the vertical direction, and the plurality of support portions 112 are spaced apart along the length direction of the protective net 11. The support portions 112 may be a groove structure, which improves the structural strength, reduces the weight of the protective net 11, and has the advantages of convenient disassembly and assembly and reduced production costs.

[0182] refer to Fig.15 The two ends of the support portion 112 in the length direction are connected to the top and bottom of the frame respectively. By providing the support portion 112, the strength of the protective net 11 is strengthened while supporting the top plate 104, thereby improving the structural strength of the top plate 104 and the structural strength of the body 10.

[0183] In some of the embodiments, the frame and the support portion 112 are made of plastic material, which saves costs compared to the iron frame guard net 11.

[0184] In this embodiment, the frame and the support part 112 are made of plastic materials such as PP or ABS, which are light in weight and can be designed according to strength requirements. The plastic mold is integrally formed, which greatly reduces the cost.

[0185] The duct air conditioner 100 provided in this embodiment can filter the indoor air entering the machine body 10 and improve the air quality by setting the protective net 11 to cover the air inlet 102 of the air conditioner. In addition, when assembling the protective net 11, the protective net 11 is tilted upward so that the limiting portion 12 is aligned with the positioning flange 1041, and the protective net 11 is pushed upward so that the positioning flange 1041 enters the limiting portion 12, and the protective net 11 is operated to rotate around the positioning flange 1041 in the direction close to the machine body 10 until the first clamping portion 13 is clamped with the second clamping portion 1051, and the installation of the protective net 11 is completed.

[0186] In the utility model, the disassembly and assembly of the protective net 11 is not limited by the small space around the air duct machine 100, and it has the advantages of low cost, good strength, convenient production and maintenance, and high assembly efficiency.

[0187] The heat exchanger assembly 2 may include an end plate. The end plate is located in the body 10. Two end plates are provided, and the two end plates are respectively connected to the two ends of the indoor heat exchanger 21 in the length direction, and are used to fix the indoor heat exchanger 21.

[0188] refer to Fig.19 The two end plates are respectively a first end plate 22 and a second end plate 23. The first end plate 22 is connected to one end of the indoor heat exchanger 21 in the length direction, and the second end plate 23 is connected to the other end of the indoor heat exchanger 21 in the length direction.

[0189] The second end plate 23 may be connected to the base 38 to support the indoor heat exchanger 21 so as to be fixed on the base 38 .

[0190] The second end plate 23 is disposed at one end of the indoor heat exchanger 21. Fig.19 , for example, the left end, avoids stress concentration in the connection structure of the indoor heat exchanger 21 and improves the structural stability of the indoor heat exchanger 21.

[0191] The indoor heat exchanger 21 is installed on the second end plate 23. The second end plate 23 can be formed into a ring frame structure. The second end plate 23 can be sleeved on the end of the indoor heat exchanger 21.

[0192] By setting a second end plate 23 connected to the base 38, the second end plate 23 can not only effectively fix the indoor heat exchanger 21 on the base 38, but also prevent the indoor heat exchanger 21 from falling from a certain height and inertia-damaging the body 10 during transportation, thereby improving the structural stability and service life of the duct machine 100.

[0193] In some embodiments of the present application, continue to refer to Figures 19 to 36 The air duct unit 100 may include an electric auxiliary heating component 4. The electric auxiliary heating component 4 is detachably connected to the heat exchanger component 2.

[0194] The electric auxiliary heating component 4 may include an electric heater 41 . The electric heater 41 is disposed in the accommodating cavity 101 in the body 10 and is used to heat the airflow in the body 10 .

[0195] refer to Fig. 20 , the electric heater 41 extends along the length direction of the machine body 10. That is, the length direction of the electric heater 41 is the length direction of the machine body 10.

[0196] In this embodiment, the electric heater 41 is detachably connected to the first end plate 22 and the second end plate 23 at both ends of the indoor heat exchanger 21. When assembling the electric heater 41, no additional support plate is required, and the installation method of the electric heater 41 is simple and convenient, and the installation efficiency is high.

[0197] refer to Fig.25 , Fig. 27 The electric auxiliary heating component 4 may include a first connecting member 42. The first connecting member 42 is disposed at one end of the electric heater 41 in the length direction.

[0198] refer to Figure 20 to Figure 24 The duct machine 100 may include a first assembly portion 221. The first assembly portion 221 is disposed on the first end plate 22, the first connecting member 42 is adapted to the first assembly portion 221, and the first connecting member 42 is detachably connected to the first assembly portion 221, so that one end of the electric heater 41 in the length direction is connected to the first end plate 22.

[0199] The electric auxiliary heating component 4 may include a second connecting member 43. The second connecting member 43 is disposed at the other end of the electric heater 41 in the length direction.

[0200] The duct unit 100 may include a second assembly portion 231 disposed on the second end plate 23 , and the second assembly portion 231 is adapted to be connected to the second connector 43 , so that the other end of the electric heater 41 in the length direction is connected to the second end plate 23 .

[0201] refer to Fig.21 , Fig. 22 The second assembly portion 231 has an opening, and the second connecting member 43 can be pressed and assembled into the second assembly portion 231 from far to near through the opening. The second assembly portion 231 can be an open annular structure.

[0202] In order to enhance the structural strength of the second assembly portion 231 , a reinforcing structure such as reinforcing ribs may be provided on the second assembly portion 231 . It is understood that the reinforcing structure will not interfere with the installation of the second connecting member 43 .

[0203] The second assembly portion 231 may be an axisymmetric structure, and the assembly direction may be parallel to the axis of symmetry.

[0204] In this embodiment, when the electric heater 41 is assembled, the first connecting member 42 at one end thereof is adapted to be connected in the first assembly portion 221, and the second connecting member 43 at the other end thereof is forced to be assembled into the second assembly portion 231, so that blind assembly is possible and the assembly efficiency is high.

[0205] In some embodiments of the present application, the air duct unit 100 may include a stopper 232 , and the stopper 232 is connected to the open end of the second assembly portion 231 .

[0206] Continue to refer Fig. 22 In the assembly direction of the second connecting member 43, there is an overlapping area between the stopper portion 232 and the second connecting member 43, so as to prevent the second connecting member 43 from falling out of the opening.

[0207] In this embodiment, the stopper 232 is provided to limit the second connecting member 43 from being disengaged from the second assembly portion 231 from the opening after the second connecting member 43 is assembled. No screws, bolts or other fasteners are required for fixing, so quick installation can be achieved, further improving assembly efficiency.

[0208] It can be understood that the stopper 232 can limit the second connecting member 43 from escaping from the opening.

[0209] In some embodiments of the present application, the first connector 42 and the first assembly portion 221 can be plugged together. By plugging together, the first connector 42 and the first assembly portion 221 can be detachably connected, which is simple and convenient.

[0210] Specifically, refer to Fig. 20 The first assembly portion 221 is a fixing hole that penetrates the thickness of the first end plate 22, and the first connecting member 42 is plugged into the fixing hole, which has a simple structure and stable installation.

[0211] When installing the electric auxiliary heating component 4, it is only necessary to insert the first connecting piece 42 into the fixing hole of the first end plate 22, and then squeeze and assemble the second connecting piece 43 from the far end to the near end from the open end into the second assembly, so that the electric auxiliary heating component 4 can be fixed on the heat exchanger component 2. The installation process is simple and convenient, and blind installation can be achieved without the need for operations such as screwing, and the assembly efficiency is high.

[0212] It is understandable that, when the whole machine is assembled, the electric auxiliary heating component 4 can be pre-installed on the evaporator component, and then the evaporator component is installed in the machine body 10.

[0213] In this embodiment, the electric auxiliary heating component 4 is installed in the evaporator component, and the electric auxiliary heating component 4 is located between the indoor heat exchanger 21 and the cross-flow fan 31. The electric auxiliary heating component 4 is not visible at the air-conditioning outlet 103 of the air duct machine 100. Compared with the technical solution of installing the electric auxiliary heating component 4 at the air-conditioning outlet 103 of the air duct machine 100 in the prior art, the user cannot touch the electric auxiliary heating component 4, avoiding the safety hazard of burns due to touch, and can improve the safety of the air duct machine 100.

[0214] In some embodiments of the present application, reference Fig.23 There are two stopper portions 232 , and the two stopper portions 232 are respectively disposed on two side walls opposite to each other on the second assembly portion 231 .

[0215] By providing two stopper portions 232 to stop the second connecting member 43 , the installation of the electric auxiliary heating component 4 is made more stable.

[0216] In some embodiments of the present application, reference Fig. 22The stopper portion 232 is provided with a first guide surface 2321. The first guide surface 2321 is an inclined guide surface, and the inclined guide surface extends obliquely toward the center position of the second assembly portion 231 in the assembly direction.

[0217] refer to Fig. 22 Two stoppers 232 are arranged opposite to each other, and a guide channel for the second connector 43 to pass through is formed between the two stoppers 232. The two stoppers 232 are provided with a first guide surface 2321, and the setting of the first guide surface 2321 makes the width of the guide channel gradually decrease in the assembly direction. The guide channel guides the second connector 43, making it convenient for the second connector 43 to enter the second assembly portion 231.

[0218] In some embodiments of the present application, reference Fig.25 , Fig.26 The second connecting member 43 is provided with a second guide surface 431 which matches with the first guide surface 2321 .

[0219] By cooperating with the first guide surface 2321 and the second guide surface 431 , the second connecting member 43 can be assembled into the second assembly portion 231 only by pressing, so as to facilitate the installation of the electric auxiliary heating component 4 .

[0220] In some embodiments of the present application, there is a gap between the stopper 232 and the second end plate 23 .

[0221] By setting a gap between the stopper 232 and the second end plate 23 , the stopper 232 has a certain elasticity. When the second connecting member 43 is pressed into the second assembly portion 231 , the stopper 232 is elastically deformed by force, which facilitates the connection and assembly of the second connecting member 43 .

[0222] In some embodiments of the present application, the stopper 232 may be an elastic buckle.

[0223] Continue to refer Fig. 22 The stopper 232 may include a connecting strip 2322. One end of the connecting strip 2322 is connected to the second assembly portion 231, and the other end thereof extends toward a direction away from the second assembly portion 231 to form a free end. There may be a gap between the connecting strip 2322 and the second end plate 23.

[0224] The stopper 232 may include a stopper protrusion 2323. The protrusion is provided at the free end, and the protrusion is suitable for being clamped and fixed with the second connecting member 43.

[0225] In this embodiment, after the second connecting member 43 is completely assembled to the second assembly portion 231 , the second connecting member 43 is clamped and fixed by the protrusion, which has a simple structure and is easy to process.

[0226] In some embodiments of the present application, a limiting plate 233 is provided on the side of the second assembly portion 231 away from the first end plate 22. The limiting plate 233 is suitable for connecting with an end of the second connecting member 43 away from the first end plate 22 to limit the electric heater 41 from coming out in its length direction.

[0227] refer to Fig. 22 , Fig.23 In the length direction of the electric heater 41 , there is an overlapping area between the limiting plate 233 and the second connecting member 43 .

[0228] When the second connecting member 43 is assembled into the second assembly portion 231 , the limiting plate 233 is connected to the end of the second connecting member 43 away from the first end plate 22 to limit the electric heater 41 from escaping in its length direction, thereby improving the installation firmness of the electric auxiliary heating component 4 .

[0229] In some embodiments of the present application, the first assembly portion 221 may be a fixing hole that penetrates the thickness of the first end plate 22. Fig.24 , the fixing hole can be rectangular.

[0230] The rectangular fixing hole, compared with the circular fixing hole, can prevent the first connecting member 42 from rotating in the circumferential direction in the fixing hole after being inserted into the fixing hole, without the need to set up a separate anti-rotation structure. It is simple, convenient and easy to process. At the same time, it can ensure that the second connecting member 43 at the other end of the electric heater 41 can be smoothly extruded and assembled into the second assembly part 231.

[0231] In some embodiments of the present application, a flange is provided at one end of the fixing hole away from the second end plate 23 .

[0232] By providing the flange, the edge of the fixing hole is prevented from being deformed due to excessive force, thereby improving the structural strength and further improving the connection reliability between the first connecting member 42 and the fixing hole.

[0233] In some embodiments of the present application, reference Fig. 27 , the first connecting member 42 may include a plug-in portion 421 .

[0234] The plug-in portion 421 is connected to one end of the electric heater 41 and is suitable for being inserted into the fixing hole. The shape of the cross section of the plug-in portion 421 is adapted to the shape of the fixing hole.

[0235] The first connector 42 may include a guide portion 422 . The guide portion 422 is connected to an end of the plug-in portion 421 away from the electric heater 41 .

[0236] Continue to refer Fig. 27The guide portion 422 is gradually arranged from the plug-in portion 421 to a direction away from the electric heater 41. The guide portion 422 is arranged to play an installation guide role, which facilitates the connection between the first connecting member 42 and the fixing hole.

[0237] The duct machine 100 provided by the utility model, by detachably connecting the electric auxiliary heating component 4 to the heat exchanger component 2, does not require an additional support plate, so that the installation method of the electric heater 41 is simpler and more convenient, and the installation efficiency is higher. When installing the electric heater 41, the first connecting member 42 at one end thereof can be inserted into the first assembly portion 221, and the second connecting member 43 at the other end thereof is forced to be assembled into the second assembly portion 231, which can be blindly installed and has high assembly efficiency. In addition, by providing a stopper 232 to limit the second connecting member 43 from escaping from the second assembly portion 231, there is no need for fasteners such as screws to fix it, which can achieve quick installation and further improve assembly efficiency.

[0238] The duct machine 100 may include a temperature detection component 6. Figure 28 to Figure 36 The temperature detection component 6 is arranged on the body 10 to detect the indoor environment temperature.

[0239] The temperature detection component 6 is connected to the electric control board 71 for communication, so as to transmit the detected indoor environment temperature to the electric control board 71 , thereby controlling various actions of the subsequent air duct machine 100 .

[0240] In some embodiments of the present application, reference Fig.30 , Fig.31 The temperature detection component 6 may include an ambient temperature sensor 61. The ambient temperature sensor 61 is used to detect the indoor ambient temperature.

[0241] In the related art, the ambient temperature sensor 61 usually passes through the end plate at one end of the indoor heat exchanger 21 from the inside and then needs to be tied with wires, which reduces production efficiency and increases costs.

[0242] To facilitate the installation of the ambient temperature sensor 61, refer to Fig.32 , Fig.33 The temperature detection assembly 6 may include a sensor bracket 62. The sensor bracket 62 is fixed on the end plate and is used to install the ambient temperature sensor 61.

[0243] refer to Fig.34 The sensor bracket 62 is formed with a mounting portion 621 for clamping and fixing the temperature sensor. By providing the sensor bracket 62, the ambient temperature sensor 61 is clamped and fixed without wire tying, the structure is simple, and the assembly is convenient and fast, saving costs.

[0244] In this embodiment, the sensor bracket 62 is disposed on the second end plate 23. Of course, in some other embodiments, the sensor bracket 62 may be disposed on the first end plate 22.

[0245] Continue to refer Fig.34 The installation portion 621 is communicated with the indoor environment, and the ambient temperature sensor 61 is embedded in the installation portion 621 so that the temperature sensor detects the indoor ambient temperature.

[0246] The sensor bracket 62 is located between the air conditioning inlet 102 and the indoor heat exchanger 21, so that the temperature sensor is located between the air conditioning inlet 102 and the indoor heat exchanger 21, which can effectively detect the temperature of the indoor air entering through the air conditioning inlet 102 to achieve the purpose of detecting the indoor ambient temperature.

[0247] It is understandable that if the location of the ambient temperature sensor 61 is set reasonably, it can provide accurate indoor ambient temperature, so that the air conditioner can operate (cooling, heating, etc.) accurately. If the location of the ambient temperature sensor 61 is improperly set, it is very easy for the ambient temperature sensor 61 to be affected by condensed water, indoor heat exchanger 21, refrigerant temperature, etc., which can easily lead to abnormal shutdown, abnormal startup, etc., affecting the normal use of users.

[0248] In the related art, the ambient temperature sensor 61 is too close to the indoor heat exchanger 21, and the detected temperature data is inaccurate due to the influence of the temperature of the indoor heat exchanger 21, which leads to inaccurate air conditioning control action, reduces the user experience, and affects the product experience.

[0249] In order to improve the detection accuracy of the indoor ambient temperature by the ambient temperature sensor 61, the electric control board 71 is provided with an accurate indoor ambient temperature, so as to realize accurate air conditioning operation. Fig.31 , the minimum distance L between the ambient temperature sensor 61 and the indoor heat exchanger 21 is set to be greater than 15 mm.

[0250] The minimum distance between the ambient temperature sensor 61 and the indoor heat exchanger 21 is greater than 15 mm, so that the distance between the ambient temperature sensor 61 and the indoor heat exchanger 21 is farther, weakening the influence of the indoor heat exchanger 21 on the indoor ambient temperature detected by the ambient temperature sensor 61, improving the accuracy of temperature detection, avoiding inaccurate air-conditioning control, and improving user experience.

[0251] In some other embodiments of the present application, the minimum distance between the mounting portion 621 and the indoor heat exchanger 21 is greater than 15 mm. The mounting portion 621 is formed in the sensor bracket 62, and the mounting portion 621 is in communication with the indoor environment.

[0252] In this embodiment, the mounting portion 621 is disposed inside the sensor bracket 62 , and the mounting portion 621 is communicated with the indoor environment, so that the temperature sensor embedded in the mounting portion 621 can detect the indoor environment temperature.

[0253] By setting the minimum distance between the mounting portion 621 and the indoor heat exchanger 21 to be greater than 15 mm, the minimum distance between the ambient temperature sensor 61 embedded in the mounting portion 621 and the indoor heat exchanger 21 is greater than 15 mm, thereby weakening the influence of the indoor heat exchanger 21 on the indoor ambient temperature detected by the ambient temperature sensor 61.

[0254] In some embodiments of the present application, continue to refer to Fig.34 A first communication port 622 is formed on one side of the sensor bracket 62 facing the air inlet 102 of the air conditioner. The first communication port 622 is communicated with the mounting portion 621 inside the sensor bracket 62 .

[0255] A second communication port 623 is formed on a side of the sensor bracket 62 facing the indoor heat exchanger 21 . The second communication port 623 is communicated with the mounting portion 621 inside the sensor bracket 62 .

[0256] The first connecting port 622, the mounting portion 621 and the second connecting port 623 are connected in sequence to form an airflow passage. By setting the airflow passage, the mounting portion 621 is connected to the indoor environment. At the same time, when the duct air conditioner 100 is working, the indoor air at the air inlet 102 directly passes through the ambient temperature sensor 61 through the airflow passage under the action of the cross-flow fan 31, thereby improving the temperature detection accuracy and enabling the ambient temperature sensor 61 to accurately detect the indoor ambient temperature.

[0257] In some embodiments of the present application, a blocking portion 65 is connected to the sensor bracket 62 .

[0258] Continue to refer Fig.34 The blocking portion 65 is disposed at the first communicating port 622 to limit the ambient temperature sensor 61 from escaping from the first communicating port 622 , thereby improving the installation firmness of the ambient temperature sensor 61 .

[0259] In some embodiments of the present application, a mounting opening 624 is provided on the end plate where the sensor bracket 62 is located. The mounting opening 624 is connected to the mounting portion 621 .

[0260] The installation opening 624 is communicated with the installation portion 621 , and the environment temperature sensor 61 passes through the installation opening 624 . When the environment temperature sensor 61 is assembled, it can be installed in the installation portion 621 through the installation opening 624 , which facilitates the installation of the environment temperature sensor 61 .

[0261] In this example, when the duct unit 100 is assembled, the ambient temperature sensor 61 can be pre-installed on the end plate of the heat exchanger assembly 2 , and then the evaporator assembly is installed in the machine body 10 .

[0262] In some embodiments of the present application, the air duct machine 100 further includes a guide portion 63. The guide portion 63 is disposed on a side surface of the end plate close to the middle of the machine body 10.

[0263] refer to Fig.33 The air guide 63 is disposed on the second end plate 23 and is located above the sensor bracket 62. In the vertical direction, the air guide 63 is close to the indoor heat exchanger 21 relative to the sensor bracket 62.

[0264] By providing the guide part 63, the condensed water flowing down from the end plate on the indoor heat exchanger 21 can be guided to prevent the condensed water from flowing into the ambient temperature sensor 61, thereby increasing the service life of the ambient temperature sensor 61 and preventing the condensed water from affecting the detection accuracy of the ambient temperature sensor 61.

[0265] In some embodiments of the present application, the guide portion 63 is tilted from top to bottom toward the direction close to the indoor heat exchanger 21. The guide portion 63 may be a guide groove structure, which can guide the condensed water and also play a receiving role.

[0266] The guide part 63 is arranged to be inclined from top to bottom toward the indoor heat exchanger 21 , so that the condensed water flowing down the end plate is guided through the guide part 63 in a direction away from the ambient temperature sensor 61 , thereby effectively preventing the condensed water from entering the ambient temperature sensor 61 .

[0267] In the related art, the ambient temperature difference sensor is mostly set near the top of the end plate, and the temperature of the refrigerant in the indoor heat exchanger 21 will also affect the detection accuracy of the ambient temperature difference sensor. For example: in a certain state, there is refrigerant circulating in the indoor heat exchanger 21, and when the indoor heat exchanger 21 is hot, the cold air around the indoor heat exchanger 21 exchanges heat with the indoor heat exchanger 21. After the exchange, the hot air floats due to its light specific gravity, and the hot air is easily surrounded by the ambient temperature sensor 61. At this time, if a heating command is received, the temperature detected by the ambient temperature sensor 61 is higher than the command set temperature, and the duct machine 100 will shut down and not operate, affecting the user's use.

[0268] In order to solve the above technical problems, in some embodiments, the sensor bracket 62 is arranged close to the bottom end of the end plate.

[0269] The sensor bracket 62 is arranged close to the bottom end of the end plate, so that the sensor bracket 62 is located at the lower part of the end plate, so that the temperature detected by the ambient temperature sensor 61 is closer to the room temperature, and the detection of the indoor ambient temperature is more accurate.

[0270] In some embodiments of the present application, reference Fig.36 A wire-passing portion 64 is provided on one side of the end plate away from the sensor bracket 62. At least one wire-passing portion 64 may be provided.

[0271] In this embodiment, the wire passing portion 64 is a wire clamp structure for allowing the wire harness to pass through and clamping the wire harness.

[0272] By providing the wire passing portion 64 for the electric control wire of the ambient temperature sensor 61 to pass through, there is no need to tie the wires together, which is convenient and quick.

[0273] In some embodiments of the present application, continue to refer to Fig.36 An electrical box 72 is disposed at one end of the machine body 10 in the length direction. The electrical control board 71 is disposed inside the electrical box 72. The electrical control board 71 is electrically connected to the ambient temperature sensor 61.

[0274] In order to facilitate the electrical connection between the electric control line of the ambient temperature sensor 61 and the electric control board 71, in this embodiment, the electrical box 72 is arranged close to the sensor bracket 62. For example, the sensor bracket 62 is arranged at the left end of the air conditioner indoor unit, and the electric control box is arranged at the left end of the body 10.

[0275] In this embodiment, the electric control line of the ambient temperature sensor 61 passes through the wire portion 64 and is electrically connected to the electric control board 71. By arranging the electrical box 72 close to the sensor bracket 62, the length of the electric control line of the ambient temperature sensor 61 is shortened, which facilitates the wiring and wiring arrangement, and saves costs.

[0276] When assembling, the ambient temperature sensor 61 is inserted into the mounting portion 621 of the sensor bracket 62 through the mounting opening 624 , and the electric control wire of the ambient temperature sensor 61 passes through the wire portion 64 and is electrically connected to the electric control board 71 .

[0277] In some embodiments of the present application, reference is made to Figures 37 to 50 The electric control assembly 7 may include an electric box 72. The electric box 72 is used to accommodate and assemble the electric control board 71, and protect the electric control board 71.

[0278] refer to Fig.37 , the electrical box 72 is installed at one end in the length direction of the body 10. In other words, the electrical box 72 is located outside the body 10.

[0279] By arranging the electrical box 72 outside the machine body 10, it is convenient to inspect the electrical control board 71 in the electrical box 72 without opening a separate inspection port on the machine body 10. At the same time, arranging the electrical box 72 outside the machine body 10 reduces the internal space occupied by the machine body 10, which can effectively reduce the volume of the machine body 10.

[0280] refer to Fig.38 The electrical box 72 may include a rear plate 7211. The rear plate 7211 forms one end of the electrical box 72 in the width direction of the body 10.

[0281] refer to Fig.39 The electrical box 72 may include a front plate 7212. The front plate 7212 and the rear plate 7211 are arranged opposite to each other along the width direction of the machine body 10. The front plate 7212 is closer to the air inlet 102 of the air conditioner relative to the rear plate 7211.

[0282] In some embodiments of this application, continue to refer to Fig.39 The air duct machine 100 may include a first connection portion 1061. The first connection portion 1061 is disposed on the first side plate 106.

[0283] The electric control assembly 7 may include a second connection portion 75. The second connection portion 75 is disposed on the front plate 7212, and the second connection portion 75 is detachably connected to the first connection portion 1061, so that the electrical box 72 is detachably connected to the first side plate 106.

[0284] In this example, the first side plate 106 may be any one of the two side plates.

[0285] The duct unit 100 may include a through hole 1062. The through hole 1062 is formed on the first side plate 106. A mounting area is formed between the through hole 1062 and the first connecting portion 1061.

[0286] refer to Fig.38 The electric control component 7 may include a plug connector 73 , wherein the plug connector 73 is plug-fitted with the through opening 1062 .

[0287] refer to Figure 40 to Figure 44 One end of the connector 73 is a free end, which is suitable for inserting into the through hole 1062; the other end of the connector 73 is connected to the rear plate 7211. After the connector 73 is inserted into the through hole 1062, it can rotate in the through hole 1062 around its own connection end.

[0288] The plug connector 73 is adapted to abut against the side of the first side plate 106 facing the cross-flow fan 31. In this embodiment, after the electrical box 72 is assembled, the plug connector 73 abuts against the side of the first side plate 106 facing the cross-flow fan 31.

[0289] When assembling the electrical box 72, insert the connector 73 into the through-hole 1062, and rotate the second connection part 75 around the connection end toward the direction close to the first connection part 1061 until it corresponds to the first connection part 1061; connect the second connection part 75 to the first connection part 1061, so that the electrical box 72 is installed in the installation area.

[0290] Specifically, when the electrical box 72 is assembled, the rear plate 7211 of the electrical box 72 is inserted into the through opening 1062 through the plug connector 73, and the electrical box 72 is rotated around the connection end until the second connection portion 75 corresponds to the first connection portion 1061. At this time, the plug connector 73 abuts against the first side plate 106. The first connection portion 1061 is connected to the second connection portion 75, so that the electrical box 72 is installed on the first side plate 106, and the assembly process is convenient and quick.

[0291] The duct machine 100 provided in this embodiment can be suitable for maintenance at the front side, that is, it can meet the needs of front maintenance. When performing front maintenance, the connection between the first connection part 1061 and the second connection part 75 is disconnected, and then the electrical box 72 is rotated and pulled out toward the front maintenance port, and the electrical box 72 is taken out through the front maintenance port for maintenance and inspection.

[0292] It is understandable that an air conditioning outlet is provided on the front plate 7212 of the suspended ceiling, and the air conditioning air blown out by the air duct machine 100 installed in the suspended ceiling can be blown into the room through the air conditioning outlet. When performing front maintenance, maintenance is performed through the air conditioning outlet on the front side. Of course, in some other embodiments, a front maintenance port can also be separately opened on the front side of the suspended ceiling.

[0293] In some embodiments of the present application, the connector 73 can rotate around its own connecting end in the through-hole 1062, and its rotation axis is vertically arranged.

[0294] When assembling the electrical box 72, insert the connector 73 into the through-hole 1062, and rotate the second connection part 75 around the rotation axis toward the direction close to the body 10 until the electrical box 72 is close to the first side panel 106; connect the second connection part 75 to the first connection part 1061, so that the electrical box 72 is installed in the installation area.

[0295] In this embodiment, when assembling the electrical box 72, the connector 73 on the rear plate 7211 of the electrical box 72 is inserted into the through opening 1062, and the electrical box 72 is rotated. The second connection portion 75 on the electrical box 72 rotates around the rotation axis toward the direction close to the body 10 until the electrical box 72 is close to the first side plate 106. At this time, the second connection portion 75 corresponds to the first connection portion 1061, and the connector 73 abuts against the first side plate 106. The second connection portion 75 is connected to the first connection portion 1061, so that the electrical box 72 is installed in the installation area, and the assembly process is simple and convenient. Reference Fig.45 , which is a state diagram of the electronic control component during assembly, and the direction of the arrow is the rotation direction of the electronic control component during assembly.

[0296] In the duct machine 100 provided in this embodiment, the rotation axis of the connector 73 is the rotation axis of the electrical box 72. The rotation axis of the electrical box 72 is vertically arranged so that the electrical box 72 can rotate in the vertical direction, which is more convenient for front maintenance.

[0297] In some embodiments of the present application, the first connection portion 1061 may include a connection plate, and a first connection hole for the fastener to penetrate is formed on the connection plate.

[0298] refer to Fig.45 The second connection part 75 is a second screw hole provided on the front plate 7212. The fastener passes through the first connection hole and is connected to the second screw hole. In this embodiment, the first connection part 1061 and the second connection part 75 are threadedly connected by the fastener, so that the connection can be fixed and detachable at the same time, which is simple and convenient.

[0299] In some embodiments of the present application, reference is made to Fig.42 , Fig.46 Part of the first side plate 106 protrudes in a direction away from the cross-flow fan 31 to form a protrusion 1063 .

[0300] refer to Figures 42 to 46 The through hole 1062 is formed on a side of the protrusion 1063 close to the first connection portion 1061, and the through hole 1062 connects the accommodating chamber 101 with the external environment of the machine body 10. After the electrical box 72 is assembled, the connector 73 abuts against the side of the protrusion 1063 close to the cross-flow fan 31.

[0301] In this embodiment, the protruding portion 1063 is provided to facilitate plugging and matching with the plug-in component 73, thereby improving assembly efficiency.

[0302] In some embodiments of the present application, reference is made to Fig.45 , a plurality of connection terminals 74 are provided on the front panel 7212 .

[0303] One end of the connection terminal 74 is connected to the electric control board 71 inside the electric box 72 , and the other end of the connection terminal 74 is connected to the electric components of the duct machine 100 through an electric control line.

[0304] In this embodiment, by arranging the connection terminal 74 on the front plate 7212, the wiring harness of the electric control line can be easily loosened when repairing from the front. When inspecting and repairing the electric control board 71 from the front, the wiring harness can be loosened from the front maintenance port first, and then the electrical box 72 can be disassembled, so that the entire electrical box 72 can be taken out from the front maintenance port for easy maintenance.

[0305] In some embodiments of the present application, the electrical box 72 may include a box body 721 .

[0306] refer to Fig.47 The box body 721 is hollow inside and has an opening. The box body 721 is provided with a mounting position, and the mounting position is used to clamp and fix the electric control board 71 so that the electric control board 71 is installed and accommodated in the box body 721.

[0307] The electrical box 72 may include a box cover 722. The box cover 722 is detachably disposed on the open end of the box body 721 to cover and close the open end of the box body 721, thereby protecting the electric control board 71.

[0308] Continue to refer Fig.47 In this embodiment, the plug connector 73 and the second connecting portion 75 are arranged on the box body 721. That is, the front plate 7212 and the rear plate 7211 are part of the box body 721.

[0309] By providing a detachably connected box body 721 and a box cover 722, the electrical box 72 is made into a split structure. When assembling and repairing the electric control board 71, the box cover 722 can be removed, and then the electric control board 71 clamped in the box body 721 can be taken out to complete the repair of the electric control board 71.

[0310] In addition, the duct machine 100 provided in this embodiment, by providing a detachably connected box body 721 and a box cover 722, can make the duct machine 100 not only meet the front maintenance requirements, but also meet the bottom maintenance requirements, that is, it can be suitable for installation scenarios where the ceiling has a bottom maintenance port.

[0311] That is to say, the duct machine 100 provided in this embodiment has an electrical box 72 that can be disassembled from the front and the bottom. When performing maintenance, the box cover 722 can be removed, and the electrical control board 71 can be taken out for maintenance without disassembling the entire electrical box 72, which has the advantages of convenient production, maintenance and low cost. At the same time, it has better adaptability to the installation environment, increases the scope of application, expands product users, and improves reputation.

[0312] It is understandable that the duct unit 100 is usually suspended on the user's roof by means of a hook and a suspension bolt, and is generally surrounded by a suspended ceiling. In some installation scenarios, the suspended ceiling will have a maintenance opening reserved at the bottom of the suspended ceiling corresponding to the position of the electrical box 72. The box cover 722 can be removed, and then the electric control panel 71 can be removed for inspection and maintenance.

[0313] In some embodiments of the present application, the box body 721 is provided with a third connection portion 76, and the box cover 722 is provided with a fourth connection portion 77, and the third connection portion 76 and the fourth connection portion 77 are detachably fixedly connected by a fastener. In this embodiment, the connection or disassembly of the box body 721 and the box cover 722 can be completed by disassembling and assembling the fastener, which is simple and convenient.

[0314] In some embodiments of the present application, the electric control assembly 7 may include a wiring cover 78 .

[0315] refer to Fig.48The wiring cover 78 is disposed outside the plurality of wiring terminals 74. The wiring cover 78 is disposed to cover the wiring terminals 74 and the electric control wires outside the machine body 10, thereby protecting the wiring harness from leakage.

[0316] In some embodiments of the present application, reference is made to Fig.49 The wiring cover 78 is detachably connected to the first side plate 106 .

[0317] Specifically, refer to Fig.50 The wiring cover 78 is provided with a fifth connection portion 781, and the first side plate 106 is provided with a sixth connection portion 1064. The fifth connection portion 781 and the sixth connection portion 1064 are detachably fixedly connected by fasteners. The connection or disassembly of the wiring cover 78 and the machine body 10 can be completed by disassembling and assembling the fasteners, which is simple and convenient.

[0318] In this embodiment, the electrical box 72 can be pre-installed first: the electric control board 71 is assembled into the box body 721, and then the box body 721 and the box cover 722 are connected through the third connection part 76 and the fourth connection part 77 to realize the pre-installation of the electrical box 72.

[0319] The pre-assembled electrical box 72 is taken to the final assembly line. During assembly, the connector 73 is inserted into the through-hole 1062 and rotated around the connecting end of the connector 73 so that the second connecting part 75 is aligned with the first connecting part 1061. The second connecting part 75 is fastened to the first connecting part 1061 by fasteners to achieve the installation of the box body 721.

[0320] After the wiring harnesses of the electric control lines are connected to the wiring terminals 74, the third connection part 76 and the fourth connection part 77 are rotated and tightly connected by fasteners, so that the cover is connected to the box body 721, and the cover of the electrical box 72 is installed. After the electrical box 72 is installed, the wiring cover 78 can be installed on the first side plate 106.

[0321] In this embodiment, the maintenance port is provided on the lower side, i.e., the ceiling. When performing maintenance on the lower side: open the lower maintenance port, remove the fasteners fixedly connected to the third connecting part 76 and the fourth connecting part 77, remove the lower part of the cover body, and then remove the electric control board 71 from the open end of the box body 721, so that the electric control board 71 can be inspected and repaired.

[0322] When the maintenance port is on the front side, that is, the ceiling has a front maintenance port, for front maintenance (front): loosen the fasteners fixedly connected to the fifth connection part 781 and the sixth connection part 1064 from the front side, and loosen the fasteners fixedly connected to the second connection part 75 and the first connection part 1061, remove the junction box cover 722 and the box body 721, loosen the wiring harness, and rotate outward with the connection end of the connector 73 as the axis to rotate the box body 721 out of the installation area. At this time, pull it outward (front maintenance port) to pull the connector 73 out of the through-port 1062, so that the electrical box 72 can be taken out and the electrical control board 71 can be repaired.

[0323] When disassembling the electrical box 72 as a whole, the wiring cover 78 can be removed first. After the wiring cover 78 is removed, the wiring harness can be loosened, and the structure formed by the box body 721 and the cover body can be disassembled as a whole. After the electrical box 72 is taken out, the box body 721 and the cover body can be disassembled and separated, so that the electrical control board 71 inside the electrical box 72 can be inspected and repaired.

[0324] In some embodiments of the present application, a first wiring opening for passing the power control line is provided on the first side plate 106. A second wiring opening 782 is provided on the side of the wiring cover 78 close to the first side plate 106. The power control line inside the body 10 passes through the first wiring opening and the second wiring opening 782 in sequence and is connected to the wiring terminal 74.

[0325] In this embodiment, the first wiring opening is the motor maintenance opening 1065 described below. That is, the motor maintenance opening 1065 is used for both disassembly and assembly of the drive motor and for the penetration of various electric control lines.

[0326] refer to Figures 51 to 64 , a fan assembly in an exemplary embodiment of the duct air conditioner 100 of the utility model is specifically described. Among them, the connection diagram of the fan assembly and the heat exchanger assembly is as shown in Fig.51 shown.

[0327] The fan assembly 3 may include a driving motor 32. The driving motor 32 is connected to one end of the cross-flow fan 31 in the axial direction to drive the cross-flow fan 31 to rotate.

[0328] refer to Fig.52 One end of the driving motor 32 has an output shaft 321, and the output shaft 321 is connected to the shaft sleeve 311 of the cross-flow fan 31 through a fixing screw, so as to realize the connection and fixation between the driving motor 32 and the cross-flow fan 31, so as to drive the cross-flow fan 31 to rotate.

[0329] The driving motor 32 is located between the cross-flow fan 31 and the first side plate 106 .

[0330] refer to Fig.53 , Fig.54The fan assembly 3 may include an installation opening 312. The installation opening 312 corresponds to a fixing screw provided on the cross-flow fan 31, and is used to install or loosen the fixing screw connecting the output shaft 321 and the sleeve 311 of the cross-flow fan 31 through the installation opening 312 from the front (air conditioning outlet 103).

[0331] refer to Fig.55 The fan assembly 3 may include a motor shield 34 , and the motor shield 34 is detachably connected to the base 38 .

[0332] The motor shield 34 and the base 38 together define a motor installation cavity 36 and a disassembly opening 37 .

[0333] The motor installation cavity 36 is used to accommodate the driving motor 32 , and the disassembly opening 37 is communicated with the motor installation cavity 36 to allow the driving motor 32 to pass through along the axial direction of the cross-flow fan 31 .

[0334] The disassembly opening 37 is opened toward the first side plate 106 , that is, the disassembly opening 37 is arranged away from the cross-flow fan 31 . When the fixing screws are loosened, the drive motor 32 can be taken out of the motor installation cavity 36 through the disassembly opening 37 .

[0335] The fan assembly 3 may include a motor fixing plate 35. Fig.56 The motor fixing plate 35 is covered at the disassembly opening 37 .

[0336] The motor fixing plate 35 is detachably fixedly connected to the base 38 and the motor shield 34 , and is used to fix the driving motor 32 , thereby improving the installation stability of the driving motor 32 .

[0337] At the same time, the motor shield 34 is connected to the motor fixing plate 35 to improve the stability of the motor shield 34, thereby further improving the safety of the drive motor 32.

[0338] The duct unit 100 may include a motor service port 1065 .

[0339] refer to Fig.57 The motor maintenance opening 1065 is opened on the first side plate 106 corresponding to the position of the drive motor 32, and the motor maintenance opening 1065 allows the motor fixing plate 35 and the drive motor 32 to pass through. The motor fixing plate 35 can be disassembled and taken out through the motor maintenance opening 1065, and the drive motor 32 can be taken out after the fixing screws 33 are loosened through the motor maintenance opening 1065.

[0340] In this embodiment, the motor maintenance port 1065 is connected to the first wiring port.

[0341] The duct machine 100 provided in this embodiment is convenient for maintenance of the drive motor 32 by disposing the drive motor 32 between the cross-flow fan 31 and the first side plate 106 and providing a motor maintenance port 1065 on the first side plate 106 .

[0342] When the drive motor 32 needs to be repaired, the motor fixing plate 35 can be removed through the motor maintenance port 1065, and then the fixing screws connecting the drive motor 32 and the cross-flow fan 31 can be loosened through the installation opening 312. The drive motor 32 can be taken out from the disassembly opening 37, and the drive motor 32 can be taken out from the motor maintenance port 1065 for repair without disassembling other components, which greatly reduces the workload of repairing and replacing the drive motor 32 and improves the maintenance efficiency.

[0343] In some embodiments of the present application, reference Fig.54 The motor shield 34 is detachably connected to the base 38 to define a motor installation cavity 36 and a disassembly opening 37. The motor installation cavity 36 is located between the cross-flow fan 31 and the first side plate 106, and the disassembly opening 37 faces the first side plate 106 and communicates with the motor installation cavity 36, so as to allow the drive motor 32 to pass through along the axial direction of the cross-flow fan 31.

[0344] The driving motor 32 is accommodated in the motor installation cavity 36 , and an output shaft 321 at one end of the driving motor 32 is connected to the shaft sleeve 311 of the cross-flow fan 31 through a fixing screw to drive the cross-flow fan 31 to rotate.

[0345] In some embodiments of the present application, reference Fig.58 , Fig.59 The base 38 is provided with a first mounting groove 381 at one end in the length direction thereof. The first mounting groove 381 is located at one end in the axial direction of the cross-flow fan 31 .

[0346] The motor shield 34 is provided with a second mounting groove. The motor shield 34 is fixedly connected to the base 38 through a plurality of second fasteners, so that the first mounting groove 381 and the second mounting groove are arranged opposite to each other to form a motor mounting cavity 36. The first mounting groove 381 and the second mounting groove are substantially semicircular.

[0347] In this embodiment, a second fixing hole 341 is provided on the motor shield 34 , and a third screw hole 388 corresponding to the second fixing hole 341 is provided on the base 38 , wherein the second fastener passes through the second fixing hole 341 and is connected to the third screw hole 388 .

[0348] refer to Fig.61 The motor shield 34 is connected to the rear side of the base 38. The motor shield 34 is disposed on the outer peripheral wall of the drive motor 32 to protect the drive motor 32 from the outside of the motor, thereby improving the safety of the drive motor 32.

[0349] In addition, by providing a motor shield 34 which is provided on the outer peripheral wall of the driving motor 32 so as not to completely wrap the driving motor 32 , the heat dissipation performance of the driving motor 32 is improved, thereby reducing the use of materials for the motor shield 34 .

[0350] In some embodiments of the present application, the motor fixing plate 35 is detachably fixedly connected to the base 38 by a first fastener. Fig.61 The motor fixing plate 35 is provided with a connecting ear 351. The connecting ear 351 is provided with a first fixing hole 352 for the first fastener to pass through.

[0351] refer to Fig.59 The base 38 is provided with a first screw hole 382, ​​which is provided corresponding to the first fixing hole 352. The first fastener penetrates the first fixing hole 352 and is connected to the first screw hole 382, ​​so that the motor fixing plate 35 is fixedly connected to the base 38.

[0352] In this embodiment, the motor fixing plate 35 and the base 38 are detachably connected by the first fastener, which facilitates the disassembly and assembly of the driving motor 32 fixing plate and improves the connection stability of the motor fixing plate 35, thereby improving the installation stability of the driving motor 32.

[0353] It is understandable that the drive motor 32 is disposed in the motor installation cavity 36 formed by the base 38 and the motor shield 34, and one end of the drive motor 32 is stopped by the motor fixing plate 35, so that the drive motor 32 can be fixed between the base 38 and the motor shield 34. When the drive motor 32 needs to be disassembled, the fixing screws of the output shaft 321 are loosened, and the motor fixing plate 35 is removed through the motor maintenance port 1065, and the drive motor 32 can be taken out.

[0354] Therefore, by setting the drive motor 32 between the base 38 and the motor shield 34, and setting the motor fixing plate 35 to stop one end of the drive motor 32, the drive motor 32 can be fixed on the base 38, and the setting of the motor fixing plate 35 can facilitate the disassembly and assembly of the drive motor 32.

[0355] In some embodiments of the present application, the other end of the driving motor 32 has a first protrusion 322 , wherein the motor fixing plate 35 is sleeved on the outside of the first protrusion 322 and can rotate around the first protrusion 322 .

[0356] refer to Fig.52 Both ends of the driving motor 32 are provided with convex parts, namely, a first convex part 322 and a second convex part 323. The first convex part 322 is suitable for sleeve engagement with the motor fixing plate 35, and the second convex part 323 is coaxially arranged with the output shaft 321 and is passed through by the output shaft 321.

[0357] The first convex portion 322 and the second convex portion 323 can both be made of elastic materials. When the driving motor 32 rotates, the first convex portion 322 and the second convex portion 323 have a shock-absorbing effect, thereby reducing the probability of damage to the motor shield 34, the motor fixing plate 35 and the base 38.

[0358] refer to Fig.61 The motor fixing plate 35 is provided with a sleeve hole 353 in the middle for the first protrusion 322 to pass through, and the sleeve hole 353 is coaxially arranged with the first protrusion 322. The motor fixing plate 35 can rotate around the first protrusion 322, so that the motor fixing plate 35 can rotate to align with the first screw hole 382 and the first fixing hole 352.

[0359] In this embodiment, when the motor fixing plate 35 is installed, the sleeve hole 353 is sleeved on the outside of the first protrusion 322, which can improve the connection stability of the driving motor 32 and facilitate the alignment and connection of the first screw hole 382 and the first fixing hole 352.

[0360] In some embodiments of the present application, reference Fig.61 At least one first limiting protrusion 354 is provided on the motor fixing plate 35 .

[0361] refer to Fig.62 The base 38 is provided with a first position-limiting slot 383 that is limitedly matched with the first position-limiting protrusion 354 . The number of the first position-limiting slots 383 is configured to be consistent with the number of the first position-limiting protrusions 354 .

[0362] When the first limiting protrusion 354 is in limiting cooperation with the first limiting slot 383 , the first screw hole 382 corresponds to the first fixing hole 352 , which can facilitate the connection operation through the first fastener.

[0363] The first limiting slot 383 can be open in the rotation direction of the motor fixing plate 35, and the motor fixing plate 35 can rotate along the first limiting slot 383. When the motor fixing plate 35 rotates around the first protrusion 322, the motor fixing plate 35 has a first position and a second position.

[0364] Among them, reference Fig.63 When the motor fixing plate 35 is in the first position, the first limiting protrusion 354 is screwed into the corresponding first limiting slot 383 to achieve the limiting cooperation between the two. Fig.64 When the motor fixing plate 35 is in the second position, the first limiting protrusion 354 is rotated out of the corresponding first limiting slot 383, thereby releasing the limiting cooperation between the two.

[0365] The first limiting protrusion 354 and the first limiting slot 383 are provided to improve the installation stability of the motor fixing plate 35. At the same time, the first limiting protrusion 354 and the first limiting slot 383 can play a role in pre-positioning. When the two are limited and matched, the first screw hole 382 corresponds to the first fixing hole 352, and no manual alignment is required, thereby improving the installation efficiency between the motor fixing plate 35 and the base 38.

[0366] In some embodiments of the present application, continue to refer to Fig.61 A second limiting protrusion 355 may be provided on the motor fixing plate 35 .

[0367] refer to Fig.62 The motor shield 34 may be provided with a second limiting slot 342. The second limiting protrusion 355 and the second limiting slot 342 are limitedly matched to improve the installation stability of the motor fixing plate 35.

[0368] In some embodiments of the present application, the second limit slot 342 can be open in the rotation direction of the motor fixing plate 35 , and its orientation is the same as that of the first limit slot 383 , so that the motor fixing plate 35 can rotate along the second limit slot 342 .

[0369] When the motor fixing plate 35 rotates around the first protrusion 322, the second limiting protrusion 355 can be rotated into the second limiting slot 342 in a positive direction to achieve the limiting fit and adaptive connection between the two, or rotated out of the second limiting slot 342 in a reverse direction to release the limiting fit between the two. Fig.63 , when the motor fixing plate 35 is in the first position, the second limiting protrusion 355 is screwed into the second limiting slot 342; Fig.64 When the motor fixing plate 35 is in the second position, the second limiting protrusion 355 is rotated out of the second limiting slot 342 .

[0370] Of course, when the motor shield 34 is installed, the second limiting slot 342 can be directly adapted to engage with the second limiting protrusion 355 .

[0371] An air duct is formed on the base 38. Fig.58 , Fig.59 The air duct has a first partition portion 386 and a second partition portion 387 which are arranged opposite to each other along the length direction of the machine body 10 , and the cross-flow fan 31 is arranged between the first partition portion 386 and the second partition portion 387 .

[0372] By providing first partition portion 386 and second partition portion 387 as two end portions of the air duct, cross-flow fan 31 is prevented from slipping out of the air duct.

[0373] Continue to refer Fig.58 , Fig.59The duct machine 100 assembly may include a volute 384. The volute 384 is disposed on the base 38.

[0374] The duct machine 100 assembly may include a volute tongue 385. The volute tongue 385 is disposed on the base 38, and the volute tongue 385 is located below the volute 384.

[0375] refer to Fig.58 The first partition portion 386 is connected to one end of the volute tongue 385 and the volute casing 384, and the second partition portion 387 is connected to the other end of the volute tongue 385 and the volute casing 384, so that the volute tongue 385, the first partition portion 386, the volute casing 384 and the second partition portion 387 are enclosed to form an air duct.

[0376] The volute 384 , the volute tongue 385 and the water receiving tray 5 are integrally arranged. The air duct and the motor installation cavity are separated by a first partition 386 .

[0377] refer to Fig.59 , Fig.60 A locking portion 3861 is provided on the first partition portion 386 and the motor shield 34. The locking portion 3861 is suitable for abutting against the second protrusion 323 of the driving motor 32 to reduce the probability of shaking of the driving motor 32 during use.

[0378] Specifically, after the drive motor 32 is installed in the first installation groove 381, the motor shield 34 is installed so that the locking portion 3861 abuts against the outer peripheral wall of the second protrusion 323. The motor fixing plate 35 is installed so that the motor fixing plate 35 presses the drive motor 32 so that the locking portion 3861 abuts against one end of the second protrusion 323 close to the cross-flow fan 31, and cooperates with the motor fixing plate 35 to fix the drive motor 32 in the left-right direction.

[0379] In some embodiments of the present application, reference Fig.57 The duct machine 100 may include an electrical box 72. An electrical control board 71 is disposed in the electrical box 72, and the electrical control board 71 is electrically connected to the drive motor 32 through an electrical control line.

[0380] The electrical box 72 is detachably connected to the first side panel 106 to shield the motor maintenance port 1065. In this embodiment, the motor maintenance port 1065 is shielded by the electrical box 72, and there is no need to set a separate shielding member. At the same time, the electrical box 72 is set on the first side panel 106 to facilitate the electrical connection between the electric control board 71 and the drive motor 32.

[0381] In some embodiments of the present application, reference Fig.60The fan assembly 3 may include a bearing 39. The bearing 39 is configured to allow the shaft of the cross-flow fan 31 to rotate at one end away from the driving motor 32. The bearing 39 is disposed on the second partition portion 387.

[0382] When assembling the duct machine 100 provided in this embodiment, the bottom plate 105 is first placed on a workbench, and then the base 38 is placed on the bottom plate 105, and the base 38 is fixedly connected to the bottom plate 105 by a third fastener to achieve the assembly of the base 38. The shaft at one end of the cross-flow fan 31 is aligned, the bearing 39 is inserted, and the cross-flow fan 31 is placed in the air duct.

[0383] The output shaft 321 of the driving motor 32 is aligned with the sleeve 311 and inserted into the sleeve 311. The driving motor 32 is placed in the first mounting groove 381 in the base 38, and the screws are tightened to fix the cross-flow fan 31 and the driving motor 32.

[0384] The sleeve hole 353 of the motor fixing plate 35 is sleeved on the first convex part 322, the first limiting protrusion 354 is inserted into the first limiting slot 383, and the motor fixing plate 35 is rotated, so that the first fixing hole 352 can be aligned with the corresponding first screw hole 382, ​​and the first fastener is installed to fix the motor fixing plate 35; the motor shield 34 is aligned with the matching position of the drive motor 32, the second limiting protrusion 355 is inserted into the second limiting slot 342 and connected to the base 38 through the second fastener to fix the motor shield 34. This installation method of the drive motor 32 can install and disassemble the drive motor 32 without disassembling the heat exchanger assembly 2 and the cross-flow fan 31, thereby improving the assembly efficiency of the fan assembly 3 and facilitating the maintenance and replacement of the drive motor 32.

[0385] Then, the electric auxiliary heating component 4 is pre-installed on the heat exchanger component 2, and it is aligned with the corresponding position of the base 38, inserted into the front side and installed by screws to complete the fixation of the heat exchanger component 2. After installing the first side plate 106 and the second side plate 107, the electric control component 7 is installed, the motor maintenance port 1065 is shielded, and finally the top plate 104 is placed on the top and screwed to complete the assembly of the whole machine.

[0386] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

[0387] For the convenience of explanation, the above description has been made in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or limit the embodiments to the specific forms disclosed above. Based on the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different variations of the embodiments suitable for specific use considerations.

Claims

1. A duct machine, characterized in that: include: A machine body, wherein two ends of the machine body in a width direction are respectively provided with an air-conditioning air inlet and an air-conditioning air outlet; An indoor heat exchanger is disposed in the machine body and close to the air inlet of the air conditioner; A cross-flow fan is disposed in the machine body and located between the indoor heat exchanger and the air outlet of the air conditioner; under the action of the cross-flow fan, indoor air enters the machine body through the air inlet of the air conditioner, and is output to the room through the air outlet of the air conditioner after heat exchange through the indoor heat exchanger; An end plate, located in the machine body and connected to one end of the indoor heat exchanger in the length direction; A sensor bracket is fixed on the end plate and located between the air inlet of the air conditioner and the indoor heat exchanger; A mounting portion, formed on the sensor bracket, the mounting portion being in communication with the indoor environment; An ambient temperature sensor is embedded in the installation portion to detect the indoor ambient temperature. The minimum distance between the ambient temperature sensor and the indoor heat exchanger is greater than 15 mm.

2. A duct machine, characterized in that: include: A machine body, wherein two ends of the machine body in a width direction are respectively provided with an air-conditioning air inlet and an air-conditioning air outlet; An indoor heat exchanger is disposed in the machine body and close to the air inlet of the air conditioner; A cross-flow fan is disposed in the machine body and located between the indoor heat exchanger and the air outlet of the air conditioner; under the action of the cross-flow fan, indoor air enters the machine body through the air inlet of the air conditioner, and is output to the room through the air outlet of the air conditioner after heat exchange through the indoor heat exchanger; an end plate connected to one end of the indoor heat exchanger in the length direction; A sensor bracket is fixed on the end plate and located between the air inlet of the air conditioner and the indoor heat exchanger; A mounting portion is formed in the sensor bracket and communicated with the indoor environment, and a minimum distance between the mounting portion and the indoor heat exchanger is greater than 15 mm; The ambient temperature sensor is embedded in the installation part and is used to detect the indoor ambient temperature.

3. The air duct machine according to claim 1 or 2, characterized in that: The mounting portion is formed inside the sensor bracket, a first connecting port is formed on a side of the sensor bracket facing the air inlet of the air conditioner, and a second connecting port is formed on a side of the sensor bracket facing the indoor heat exchanger, and the first connecting port and the second connecting port are connected with the mounting portion to form an air flow passage.

4. The air duct machine according to claim 3, characterized in that: The sensor bracket is connected with a blocking portion, and the blocking portion is arranged at the first communicating port to limit the ambient temperature sensor from escaping from the first communicating port.

5. The air duct machine according to claim 3, characterized in that: The end plate is provided with an installation opening, which is communicated with the installation portion and allows the ambient temperature sensor to pass through; during assembly, the ambient temperature sensor is installed in the installation portion through the installation opening.

6. The air duct machine according to claim 1 or 2, characterized in that: It also includes a guide portion, which is arranged on the end surface of the end plate close to the middle part of the body, and the guide portion is located above the sensor bracket.

7. The air duct machine according to claim 6, characterized in that: The guide portion is arranged to be inclined from top to bottom toward a direction close to the indoor heat exchanger.

8. The air duct machine according to claim 1 or 2, characterized in that: The sensor bracket is arranged close to the bottom end of the end plate.

9. The air duct machine according to claim 1 or 2, characterized in that: A wire passing portion is disposed on a side of the end plate away from the sensor bracket.

10. The air duct machine according to claim 9, characterized in that: An electrical box is arranged at one end of the body in the length direction, and the electrical box is arranged close to the sensor bracket; an electrical control board is arranged inside the electrical box, and the electrical control line of the ambient temperature sensor passes through the line passing part and is electrically connected to the electrical control board.

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